CN102278083A - Intelligent casing tongs with back-up tongs - Google Patents
Intelligent casing tongs with back-up tongs Download PDFInfo
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- CN102278083A CN102278083A CN2011101878787A CN201110187878A CN102278083A CN 102278083 A CN102278083 A CN 102278083A CN 2011101878787 A CN2011101878787 A CN 2011101878787A CN 201110187878 A CN201110187878 A CN 201110187878A CN 102278083 A CN102278083 A CN 102278083A
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- 239000000725 suspension Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 4
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- 238000009434 installation Methods 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 240000006909 Tilia x europaea Species 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
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- 239000012530 fluid Substances 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
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- 239000003129 oil well Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention provides intelligent casing tongs with back-up tongs, which comprises a main frame, a hanging frame, main tongs and back-up tongs, wherein the main tongs and the back-up tongs are connected on the main frame; the main tongs are suspended on the hanging frame through a chain, which is connected with the main frame; the back-up tongs are welded with the main frame and supported by two feet; the hanging frame is parallelogram-shaped; a rotary torque measuring device is mounted to the main frame; the main tongs achieve the effect of clamping a casing in a claw climbing manner; the back-up tongs are tightly clamped by three claws; and the claws are distributed in a mode of 120 degrees. The purpose of full-range automation of work of casing tongs is achieved, and the labor intensity of workers and accident incidence are reduced. The parallelogram-shaped hanging frame is adopted to ensure horizontal movement of power tongs. The tooth alignment process is centralized by adjusting a support cylinder. The back-up tongs improve the clamping force of the claws by use of a wedging mechanism. The back-up tongs are flexibly connected with the main tongs and can be detached to be used alone. The types of the claws are changed to fit different tube diameters, so as to increase the application range.
Description
(1) technical field
The present invention relates to oil-well drilling equipment, is exactly a kind of intelligent casing tong with back-up tong specifically.
(2) background technology
The Power Tong that oil field well workover is at present used is controlled the start and stop of Power Tong mostly with manual mode control hydraulicdirectional control valve.The switch of safety door and the control of the high and low shift of Power Tong are generally also manually controlled by the workman.Power Tong generally is suspended in the movably overarm by chain during work, moves to the sleeve pipe place by the workman, and adjusts the contraposition of casing threads by workman's vision.Main pincers and back-up tong often are in released state, and main pincers and back-up tong are used inconvenience, have both made to be equipped with back-up tong, also are connected the centering of realizing casing threads by main pincers with the solid mechanical of back-up tong.There is following shortcoming in current casing tong: automaticity is lower, and labor strength is big; The workman is too near the job location, and safety door does not have protective device, and safety guarantee is lower; Casing threads contraposition difficulty is bigger during work, causes thread gluing easily, decreases tooth, influences work quality; When main pincers were used with back-up tong, device moved, sleeve pipe clamping difficulty.
(3) summary of the invention
The object of the present invention is to provide a kind of intelligent casing tong with back-up tong.
The object of the present invention is achieved like this: it is clamped by body frame, suspension bracket, master and back-up tong is formed, and main pincers and back-up tong are connected on the body frame, the main pincers by on the suspension bracket that chain suspends in midair with body frame is connected, and back-up tong and body frame are welded to connect, and are supported by two footing.
The present invention also has following technical characterictic:
(1) described suspension bracket is a parallelogram sturcutre, comprise boatswain chair, upper plate, lower plate, rear cross beam, two front beams, flange and short pins, boatswain chair is enclosed within on two front beams, front beam is connected with the lower plate hinge with upper plate, rear cross beam is connected with hanger supports plate hinge with upper plate, and lower plate realizes that by short pin hinge is connected with the hanger supports plate, and shoring one end and crossbeam are hinged, one end and earrings seat are hinged, and the earrings seat is welded on the pillar front side.
(2) in the middle part of the described body frame torque measuring device is installed, the torque measurement of Power Tong and the carrying of torque are provided, latch inserts and is welded in the circular hole of the buckle on the pillar, one end circle hole sleeve of adaptor is on latch, other end circular hole and torque sensor are realized hinged, the torque sensor other end is articulated on the stern post of main pincers, realize the transmission of torque, the lateral bending plate is welded on the pillar two bottom sides, back side panel is welded on lateral bending plate rear end, the side supporting plate is welded on the lateral bending front edge of board, rear carrier plate is welded on the pillar rear side, and rear plate is welded on the place, right angle of rear carrier plate and lateral bending plate composition, and the after-frame fixed head is welded on rear plate one end, after-frame is connected on the after-frame fixed head by bolt, and after-frame is used to install the fluid pressure line annex.
(3) the climbing form of described main pincers by claw realizes the clamping to sleeve pipe, after finishing, climbing begins to go up shackle process, the power transmission of main pincers adopts the multi-stage gear type of belt drive, hydraulic motor is installed on the motor seat, hydraulic motor drives clutch shaft by splined shaft and rotates, the shift fork hydraulic cylinder is connected on the upper plate by flange, the earrings of shift fork hydraulic cylinder is connected with shift fork, shift fork is stirred the shift fork ring and is moved up and down, when the shift fork ring moves to the limes superiors position, clutch gear wheel and clutch shaft are realized rotating synchronously, when the shift fork ring moves to the limit inferior position, clutch pinion and clutch shaft are realized rotating synchronously, clutch gear wheel or clutch pinion and gear train cog or the engagement of gear train lower gear, rotate by flat key driven gear group gear shaft, gear train gear shaft and back idle pulley engaged transmission, back idle pulley and front idler wheel engaged transmission, preceding steering wheel and shedding cam meshed transmission gear, the shedding cam gear is realized radial support by 14 rollers, claw rotates around the claw axle, roller is realized hinged by axle and claw, when the shedding cam gear rotates, the roller that claw connects is realized slope climbing movement along cam tooth convex wheel face, after the climbing process finishes, claw clamps sleeve pipe, and the shedding cam tooth is rotated further the last shackle action of finishing sleeve pipe.Clip by rotating bolt, is regulated the clamping force between clip and the cam tooth case upper and lower plates by clip spacer location and on cam tooth case upper and lower plates periphery.The switching of the hydraulic cylinder-controlled brake force pincers of shift fork speed shelves; left side safety door is by left-hand door cylinder control folding; the left hydraulic cylinder afterbody is installed on the earrings axle of upper plate; the tailpiece of the piston rod earrings is connected on the earrings axle of left safety door; right safety door is with respect to left safety door symmetry; can control folding by right door cylinder; the tailpiece of the piston rod earrings of right in addition door cylinder is hinged with the bar of the rotation of sliding around fixed axis; in addition this bar be connected by chute with bar that door folder rotates synchronously; door dog is on left safety door when right safety door is shut; realize the safeguard protection effect; be installed on the right safety door near switch; left side safety door installation accessories with cooperate the shutdown signal that detects safety door near switch; be equipped with on the upper plate near switch; be used to detect the opening signal of left and right sides safety door; encoder component is connected on the upper plate; the velocity of rotation of the transmission prototype gear by gear on it and dial; be welded with the circular arc radar board on the balance gear shaft that welds on the cam tooth case upper plate; the turned position that is used to detect radar board near switch; the backing pin master cylinder is used to promote ramp; when the balance gear shaft rotates; roller carries out slope climbing movement on ramp; thereby the both sides bearing pin of control balance gear shaft inserts or withdraws from the arc groove of shedding cam gear, and realization shedding cam gear is aimed at the opening of cam tooth case upper and lower plates.
(4) described back-up tong adopts three-jaw to clamp, claw becomes 120 ° of distributions, wherein two claws promote the driving of Xie piece by promoting cylinder, a claw is installed in door and is upward driven by door cylinder place, promoting cylinder afterbody earrings is connected on the earrings axle, promoting the cylinder piston rod end fixedlys connected with the Xie piece by piston rod attachment, Xie piece one side right angle face slides on the side plate one side, the inclined-plane of Xie piece and claw slide block one end in contact, and the claw slide block keeps radially sliding by two baffle plates, claw on the door is inserted into the middle part of door, door rotates around door-hinge, and the door cylinder is connected on the flanged plate, and flanged plate can rotate by the bearing pin on it, door cylinder piston rod end earrings is connected on the earrings axle on the door, door is closed back one end and is lived by the bolt integrated circuit board, and the bolt plate holder is between two plates, and slidably, bolt cylinder piston rod earrings is connected on the bent plate, promoted bent plate and drive the bolt plate to slide by the bolt cylinder, finish the chucking of door and unclamp, the bolt cylinder is connected on the flanged plate, lower plate is equipped with near switch near Men Yiduan, is used for the switch situation of detecting gate.
The present invention is a kind of intelligent casing tong with back-up tong, has realized the whole-course automation of casing tong work, has reduced working strength of workers, has reduced accident odds and loss that contingency caused.The present invention adopts the hanger structure of parallelogram, utilizes the design feature of parallelogram to guarantee moving horizontally of Power Tong, and realizes setting upright the tooth process of sleeve pipe by the adjustment of shoring, has improved the quality of shackle on the sleeve pipe.Back-up tong adopts the Xie block mechanism to improve the clamping force of claw.Back-up tong and main pincers are for flexibly connecting, and detachably use separately, adapt to different tube diameters by replacing claw model, have increased the usage range of establishing.
(4) description of drawings
Fig. 1 is a unitary side view of the present invention;
Fig. 2 is a whole rear elevation of the present invention;
Fig. 3 is an integral shaft mapping of the present invention;
Fig. 4 is a main pincers interior views of the present invention;
Fig. 5 is a main pincers vertical view of the present invention;
Fig. 6 is a main pincers sectional view of the present invention;
Fig. 7 is a back-up tong interior views of the present invention.
(5) specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Embodiment 1: in conjunction with Fig. 1-Fig. 7, a kind of intelligent casing tong of the present invention with back-up tong, it is made up of body frame, suspension bracket, main pincers (3) and back-up tong (2), main pincers (3) and back-up tong (2) are connected on the body frame, main pincers (3) are by on the suspension bracket that chain (4) suspends in midair with body frame is connected, back-up tong (2) is welded to connect with body frame, and is supported by two footing (1).
The present invention also has following technical characterictic:
Described suspension bracket is a parallelogram sturcutre, comprise boatswain chair (5), upper plate (20), lower plate (10), rear cross beam (19), two front beams (17), first flange (6), second flange (16), the 3rd flange (21), the 4th flange (33) and short pin (34), boatswain chair (5) is enclosed within on two front beams (17), front beam (17) is connected with lower plate (10) hinge with upper plate (20), rear cross beam (19) is connected with hanger supports plate (9) hinge with upper plate (20), lower plate (10) realizes that by short pin (34) hinge is connected with hanger supports plate (9), shoring (7) one ends and crossbeam (17) are hinged, one end and earrings seat (24) are hinged, and earrings seat (24) is welded on pillar (11) front side.
Described body frame middle part is equipped with torque measuring device, the torque measurement of Power Tong and the carrying of torque are provided, latch (36) inserts and is welded in the circular hole of the buckle (30) on the pillar (11), one end circle hole sleeve of adaptor (31) is on latch (36), other end circular hole and torque sensor (32) are realized hinged, the torque sensor other end is articulated on the stern post of main pincers (3), realize the transmission of torque, lateral bending plate (13) is welded on pillar (11) two bottom sides, back side panel (14) is welded on lateral bending plate (13) rear end, the side supporting plate is welded on lateral bending plate (13) front end, rear carrier plate (28) is welded on the pillar rear side, rear plate (26) is welded on the place, right angle of rear carrier plate (28) and lateral bending plate (13) composition, after-frame fixed head (27) is welded on rear plate (26) one ends, after-frame (25) is connected on the after-frame fixed head (27) by bolt, and after-frame (25) is used to install the fluid pressure line annex.
The climbing form of described main pincers by claw realizes the clamping to sleeve pipe, after finishing, climbing begins to go up shackle process, the power transmission of main pincers adopts the multi-stage gear type of belt drive, hydraulic motor (238) is installed on the motor seat (231), hydraulic motor (238) drives clutch shaft (230) by splined shaft and rotates, shift fork hydraulic cylinder (239) is connected on the upper plate (227) by flange, the earrings of shift fork hydraulic cylinder (239) is connected with shift fork (221), shift fork (221) is stirred shift fork ring (228) and is moved up and down, when shift fork ring (228) moves to the limes superiors position, clutch gear wheel (229) is realized rotating synchronously with clutch shaft (230), when shift fork ring (228) moves to the limit inferior position, clutch pinion (220) is realized rotating synchronously with clutch shaft (230), clutch gear wheel (229) or clutch pinion (220) cog (234) with gear train or gear train lower gear (217) engagement, rotate by flat key driven gear group gear shaft (216), gear train gear shaft (216) and back idle pulley (215) engaged transmission, back idle pulley (215) and front idler wheel (214) engaged transmission, preceding steering wheel (214) and shedding cam gear (211) engaged transmission, shedding cam gear (211) is realized radial support by 14 rollers (235), claw (208) rotates around claw axle (206), roller (207) is realized hinged by axle (210) and claw (208), when shedding cam gear (211) rotates, the roller (207) that claw (208) connects is realized slope climbing movement along cam tooth convex wheel face, after the climbing process finishes, claw (208) clamps sleeve pipe, shedding cam tooth (211) is rotated further the last shackle action of finishing sleeve pipe, clip (245) is by clip spacer (212) location and on cam tooth case upper and lower plates (244) periphery, by rotating bolt (247), regulate the clamping force between clip (245) and the cam tooth case upper and lower plates (244); The switching of shift fork hydraulic cylinder (239) control Power Tong speed shelves; left side safety door (250) is by left-hand door cylinder (248) control folding; the left hydraulic cylinder afterbody is installed on the earrings axle of upper plate (227); the tailpiece of the piston rod earrings is connected on the earrings axle of left safety door (250); right safety door (257) is with respect to left safety door (250) symmetry; can control folding by right door cylinder (260); the tailpiece of the piston rod earrings and the bar (258) of right door cylinder (260) are hinged in addition; in two chutes of axle (256) insertion rod (258) on axle (259) and the bar (255); bar (255) rotates synchronously with door folder (253); door folder (253) is buckled in left safety door (on 250) when right safety door is shut; realize the safeguard protection effect; first is installed on the right safety door (257) near switch (252); left side safety door (250) installation accessories (251) cooperates the shutdown signal that detects safety door with first near switch (252); second is installed on the upper plate (227) near switch (261) near switch (249) and the 3rd; be used to detect the opening signal of left and right sides safety door; encoder component (237) is connected on the upper plate (227); the velocity of rotation of the transmission prototype gear by gear on it and dial (213); cam tooth case upper plate (244) is gone up on the balance gear shaft (236) that welds and is welded with circular arc radar board (263); the 4th is used to detect the turned position of radar board (263) near switch (242); backing pin master cylinder (240) is used to promote ramp (241); when balance gear shaft (236) rotates; roller (243) carries out slope climbing movement on ramp (241); thereby the both sides bearing pin of control balance gear shaft (236) inserts or withdraws from the arc groove of shedding cam gear (211), and realization shedding cam gear (211) is aimed at the opening of cam tooth case upper and lower plates (244).
Described back-up tong adopts three-jaw to clamp, claw becomes 120 ° of distributions, wherein two claws promote Xie piece (304) driving by promoting cylinder (302), a claw is installed in door (318) and is upward driven by door cylinder (324), promoting cylinder (302) afterbody earrings is connected on the earrings axle (329), promoting cylinder (302) tailpiece of the piston rod fixedlys connected with Xie piece (304) by piston rod attachment (303), Xie piece (304) one side right angle faces slide on side plate (325) one side, the inclined-plane of Xie piece (304) and claw slide block (306) one end in contact, claw slide block (306) keeps radially sliding by two baffle plates (326) and (327), claw on the door (318) is inserted into the middle part of door, door rotates around door-hinge (320), door cylinder (324) is connected on first flanged plate (323), flanged plate can rotate by the bearing pin on it, door cylinder (324) tailpiece of the piston rod earrings is connected on the earrings axle (321) on the door (320), door (318) is closed back one end and is blocked by bolt plate (315), bolt plate (315) is clipped between a plate (314) and two plates (311), and slidably, bolt cylinder (312) piston rod earrings is connected on the bent plate (310), promote bent plate (310) and drive bolt plate (315) to slide by bolt cylinder (312), finish the door (318) chucking and unclamp, bolt cylinder (312) is connected on second flanged plate (309), lower plate is equipped with the 5th near switch (316) near door (318) one ends, is used for the switch situation of detecting gate (318).
Embodiment 2: in conjunction with Fig. 1-Fig. 7, the present invention has realized the whole-course automation of the course of work.The switching of shift fork hydraulic cylinder (239) control Power Tong speed shelves.The switch instances that travel switch detects gear is installed on the shift fork hydraulic cylinder (239).Left side safety door (250) is controlled folding by left-hand door cylinder (248), and provides pass pressure protect behind the door by left-hand door cylinder (248).Left side safety door is installed on the roller shaft.The left hydraulic cylinder two ends are that earrings connects, and afterbody is installed on the earrings axle of upper plate (227), and the tailpiece of the piston rod earrings is connected on the earrings axle of left safety door (250).Right safety door (257) can be controlled folding with respect to left safety door (250) symmetry by right door cylinder (260).The tailpiece of the piston rod earrings and the bar (258) of right door cylinder (260) are hinged in addition, in the chute of axle (259) insertion rod (258), in the other end chute of axle (256) insertion rod (258) on the bar (255).Bar (255) with drive door folder (253) by axle (254) and rotate.When right safety door is shut, by the effect of right door cylinder (260), bar (258) and bar (255) folder (253) is buckled on the left safety door (250), realization safeguard protection effect.Be installed on the annex (262) near switch (252), annex (262) is mounted on the right safety door (257) by screw.A left side safety door (250) installation accessories (251) with cooperate the shutdown signal that detects safety door near switch (252).Be installed on the upper plate (227) near switch (249) with near switch (261), be used to detect the opening signal of left and right sides safety door, encoder component (237) is connected on the upper plate (227), the velocity of rotation of the transmission prototype gear by gear on it and dial (213), cam tooth case upper plate (244) is gone up on the balance gear shaft (236) that welds and is welded with circular arc radar board (263), the 4th is used to detect the turned position of radar board (263) near switch (242), backing pin master cylinder (240) is used to promote ramp (241), when balance gear shaft (236) rotates, roller (243) carries out slope climbing movement on ramp (241), thereby the both sides bearing pin of control balance gear shaft (236) inserts or withdraws from the arc groove of shedding cam gear (211), and realization shedding cam gear (211) is aimed at the opening of cam tooth case upper and lower plates (244).
Intelligent operation process of the present invention is: body frame moves to the sleeve pipe place, when treating that sleeve pipe enters the back-up tong opening part, back-up tong door (318) is closed under Men Gang (324) effect, detect door (318) after fastening position near switch (316), bolt cylinder (312) effect bolt (315) pins door (318), promote cylinder (302) effect simultaneously, back-up tong clamps bottom sleeve.When the back-up tong clamping force reached certain value, main pincers left-hand doors (250) were under left-hand door cylinder (248) effect, and right door (257) is closed under right door cylinder (260) effect.First detect the shutdown signal of left and right door near switch (252) after, backing pin master cylinder (240) effect ramp (241) makes it reach the operating position.Shift fork hydraulic cylinder (239) effect shift fork (221) makes transmission switch to quick shelves, and by detecting gear near switch and convert situation on the shift fork hydraulic cylinder (239).After gear is converted to quick shelves, main pincers motors (238) work, claw (208) begins to climb and realizes clamping to upper sleeve, the spinner of effect upper sleeve rotation realization sleeve pipe after the clamping.Balance backing pin this moment (236) has a down dip in ramp (241) effect, and makes the backing pin of respective direction insert corresponding backing pin hole.Torque sensor (32) detects the raising of torque value and to detect signal simultaneously near switch be that cam shedding gear (211) is when being in meta when torque reaches appropriate value and two, main pincers motors (238) suspend, shift fork hydraulic cylinder (239) secondary action again switches to shelves at a slow speed, enter linking closely the stage of big torque, when reaching when suitably linking closely torque the end of linking closely.Backing pin master cylinder (240) effect ramp (241) position of deactivating, and switch to quick grade, motor (238) beginning reverse rotation, the relative rotation of cam tooth case upper and lower plates (244) this moment with cam shedding gear (211), beginning rotation synchronously under the effect at backing pin after cam tooth case upper and lower plates (244) and opening gear opening are involutory, when two detected signal simultaneously near switch, the cam tooth case reached the return state, and motor (238) quits work.Simultaneously back-up tong unclamps bottom sleeve, and main pincers are opened with the back-up tong door, when the 3rd near switch (261), second near switch (249) when all detecting signal door open fully.Casing tong can unload from sleeve pipe, and last sleeve pipe process finishes.Unload sleeve pipe and last sleeve pipe similar process, only motor (238) direction of rotation is different.
Claims (5)
1. intelligent casing tong with back-up tong, it is made up of body frame, suspension bracket, main pincers (3) and back-up tong (2), it is characterized in that: main pincers (3) and back-up tong (2) are connected on the body frame, main pincers (3) are by on the suspension bracket that chain (4) is suspended in body frame is connected, back-up tong (2) is welded to connect with body frame, and is supported by two footing (1).
2. a kind of intelligent casing tong according to claim 1 with back-up tong, it is characterized in that: described suspension bracket is a parallelogram sturcutre, comprise boatswain chair (5), upper plate (20), lower plate (10), rear cross beam (19), two front beams (17), first flange (6), second flange (16), the 3rd flange (21), the 4th flange (33) and short pin (34), boatswain chair (5) is enclosed within on two front beams (17), front beam (17) is connected with lower plate (10) hinge with upper plate (20), rear cross beam (19) is connected with hanger supports plate (9) hinge with upper plate (20), lower plate (10) realizes that by short pin (34) hinge is connected with hanger supports plate (9), shoring (7) one ends and crossbeam (17) are hinged, one end and earrings seat (24) are hinged, and earrings seat (24) is welded on pillar (11) front side.
3. a kind of intelligent casing tong according to claim 1 with back-up tong, it is characterized in that: described body frame middle part is equipped with torque measuring device, the torque measurement of Power Tong and the carrying of torque are provided, latch (36) inserts and is welded in the circular hole of the buckle (30) on the pillar (11), one end circle hole sleeve of adaptor (31) is on latch (36), other end circular hole and torque sensor (32) are realized hinged, the torque sensor other end is articulated on the stern post of main pincers (3), realize the transmission of torque, lateral bending plate (13) is welded on pillar (11) two bottom sides, back side panel (14) is welded on lateral bending plate (13) rear end, the side supporting plate is welded on lateral bending plate (13) front end, rear carrier plate (28) is welded on the pillar rear side, rear plate (26) is welded on the place, right angle of rear carrier plate (28) and lateral bending plate (13) composition, after-frame fixed head (27) is welded on rear plate (26) one ends, and after-frame (25) is connected on the after-frame fixed head (27) by bolt, and after-frame (25) is used to install the fluid pressure line annex.
4. a kind of intelligent casing tong according to claim 1 with back-up tong, it is characterized in that: the climbing form of described main pincers by claw realizes the clamping to sleeve pipe, after finishing, climbing begins to go up shackle process, the power transmission of main pincers adopts the multi-stage gear type of belt drive, hydraulic motor (238) is installed on the motor seat (231), hydraulic motor (238) drives clutch shaft (230) by splined shaft and rotates, shift fork hydraulic cylinder (239) is connected on the upper plate (227) by flange, the earrings of shift fork hydraulic cylinder (239) is connected with shift fork (221), shift fork (221) is stirred shift fork ring (228) and is moved up and down, when shift fork ring (228) moves to the limes superiors position, clutch gear wheel (229) is realized rotating synchronously with clutch shaft (230), when shift fork ring (228) moves to the limit inferior position, clutch pinion (220) is realized rotating synchronously with clutch shaft (230), clutch gear wheel (229) or clutch pinion (220) cog (234) with gear train or gear train lower gear (217) engagement, rotate by flat key driven gear group gear shaft (216), gear train gear shaft (216) and back idle pulley (215) engaged transmission, back idle pulley (215) and front idler wheel (214) engaged transmission, preceding steering wheel (214) and shedding cam gear (211) engaged transmission, shedding cam gear (211) is realized radial support by 14 rollers (235), claw (208) rotates around claw axle (206), roller (207) is realized hinged by axle (210) and claw (208), when shedding cam gear (211) rotates, the roller (207) that claw (208) connects is realized slope climbing movement along cam tooth convex wheel face, after the climbing process finishes, claw (208) clamps sleeve pipe, shedding cam tooth (211) is rotated further the last shackle action of finishing sleeve pipe, clip (245) is by clip spacer (212) location and on cam tooth case upper and lower plates (244) periphery, by rotating bolt (247), regulate the clamping force between clip (245) and the cam tooth case upper and lower plates (244); The switching of shift fork hydraulic cylinder (239) control Power Tong speed shelves; left side safety door (250) is by left-hand door cylinder (248) control folding; the left hydraulic cylinder afterbody is installed on the earrings axle of upper plate (227); the tailpiece of the piston rod earrings is connected on the earrings axle of left safety door (250); right safety door (257) is with respect to left safety door (250) symmetry; can control folding by right door cylinder (260); the tailpiece of the piston rod earrings and the bar (258) of right door cylinder (260) are hinged in addition; in two chutes of axle (256) insertion rod (258) on axle (259) and the bar (255); bar (255) rotates synchronously with door folder (253); door folder (253) is buckled on the left safety door (250) when right safety door is shut; realize the safeguard protection effect; first is installed on the right safety door (257) near switch (252); left side safety door (250) installation accessories (251) cooperates the shutdown signal that detects safety door with first near switch (252); second is installed on the upper plate (227) near switch (261) near switch (249) and the 3rd; be used to detect the opening signal of left and right sides safety door; encoder component (237) is connected on the upper plate (227); the velocity of rotation of the transmission prototype gear by gear on it and dial (213); cam tooth case upper plate (244) is gone up on the balance gear shaft (236) that welds and is welded with circular arc radar board (263); the 4th is used to detect the turned position of radar board (263) near switch (242); backing pin master cylinder (240) is used to promote ramp (241); when balance gear shaft (236) rotates; roller (243) carries out slope climbing movement on ramp (241); thereby the both sides bearing pin of control balance gear shaft (236) inserts or withdraws from the arc groove of shedding cam gear (211), and realization shedding cam gear (211) is aimed at the opening of cam tooth case upper and lower plates (244).
5. a kind of intelligent casing tong according to claim 1 with back-up tong, it is characterized in that: described back-up tong adopts three-jaw to clamp, claw becomes 120 ° of distributions, wherein two claws promote Xie piece (304) driving by promoting cylinder (302), a claw is installed in door (318) and is upward driven by door cylinder (324), promoting cylinder (302) afterbody earrings is connected on the earrings axle (329), promoting cylinder (302) tailpiece of the piston rod fixedlys connected with Xie piece (304) by piston rod attachment (303), Xie piece (304) one side right angle faces slide on side plate (325) one side, the inclined-plane of Xie piece (304) and claw slide block (306) one end in contact, claw slide block (306) keeps radially sliding by first baffle plate (326) and second baffle (327), claw on the door (318) is inserted into the middle part of door, door rotates around door-hinge (320), door cylinder (324) is connected on first flanged plate (323), first flanged plate can rotate by the bearing pin on it, door cylinder (324) tailpiece of the piston rod earrings is connected on the earrings axle (321) on the door (320), door (318) is closed back one end and is blocked by bolt plate (315), bolt plate (315) is clipped between a plate (314) and two plates (311), and slidably, bolt cylinder (312) piston rod earrings is connected on the bent plate (310), promote bent plate (310) and drive bolt plate (315) to slide by bolt cylinder (312), finish the door (318) chucking and unclamp, bolt cylinder (312) is connected on second flanged plate (309), lower plate is equipped with the 5th near switch (316) near door (318) one ends, is used for the switch situation of detecting gate (318).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110187878.7A CN102278083B (en) | 2011-07-06 | 2011-07-06 | Intelligent casing tongs with back-up tongs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110187878.7A CN102278083B (en) | 2011-07-06 | 2011-07-06 | Intelligent casing tongs with back-up tongs |
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| CN102278083A true CN102278083A (en) | 2011-12-14 |
| CN102278083B CN102278083B (en) | 2014-05-21 |
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Cited By (10)
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| CN104632183A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | Automatic alignment controller of hydraulic power tongs |
| WO2016191067A1 (en) * | 2015-05-28 | 2016-12-01 | Weatherford Technology Holdings, Llc | Tong assembly with torque measurement |
| CN108747191A (en) * | 2018-07-13 | 2018-11-06 | 苏州迈德焊接科技有限公司 | Double drive structure in all position automatic welding device |
| CN109940556A (en) * | 2019-05-22 | 2019-06-28 | 山东科瑞机械制造有限公司 | A kind of wellhead casing pipe disassemblerassembler |
| CN110439486A (en) * | 2018-05-03 | 2019-11-12 | 付蕾 | A kind of ultra-large type casing tong |
| CN110725658A (en) * | 2019-10-14 | 2020-01-24 | 中国石油化工股份有限公司 | Radial anchoring inverted-buckling casing taking and replacing device and method |
| CN110984886A (en) * | 2019-11-27 | 2020-04-10 | 如东前进石油机械制造有限公司 | Multifunctional iron roughneck |
| CN112610171A (en) * | 2020-12-24 | 2021-04-06 | 四川宏华石油设备有限公司 | Iron roughneck clamp assembly |
| CN113585989A (en) * | 2021-09-07 | 2021-11-02 | 兰州兰石石油装备工程股份有限公司 | Pipe handling system for continuous tripping drill rig |
| CN114320190A (en) * | 2021-12-21 | 2022-04-12 | 中石化四机石油机械有限公司 | Intelligent full-electric workover rig |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104632183B (en) * | 2013-11-08 | 2017-08-04 | 中国石油天然气股份有限公司 | A kind of automatic aligning controller of hydraulic power tongs |
| CN104632183A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | Automatic alignment controller of hydraulic power tongs |
| EA036175B1 (en) * | 2015-05-28 | 2020-10-09 | ВЕЗЕРФОРД ТЕКНОЛОДЖИ ХОЛДИНГЗ, ЭлЭлСи | Tong assembly with torque measurement |
| WO2016191067A1 (en) * | 2015-05-28 | 2016-12-01 | Weatherford Technology Holdings, Llc | Tong assembly with torque measurement |
| US10392879B2 (en) | 2015-05-28 | 2019-08-27 | Weatherford Technology Holdings, Llc | Tong assembly with torque measurement |
| CN110439486A (en) * | 2018-05-03 | 2019-11-12 | 付蕾 | A kind of ultra-large type casing tong |
| CN108747191A (en) * | 2018-07-13 | 2018-11-06 | 苏州迈德焊接科技有限公司 | Double drive structure in all position automatic welding device |
| CN109940556A (en) * | 2019-05-22 | 2019-06-28 | 山东科瑞机械制造有限公司 | A kind of wellhead casing pipe disassemblerassembler |
| CN109940556B (en) * | 2019-05-22 | 2019-08-30 | 山东科瑞机械制造有限公司 | A kind of wellhead casing pipe disassemblerassembler |
| CN110725658A (en) * | 2019-10-14 | 2020-01-24 | 中国石油化工股份有限公司 | Radial anchoring inverted-buckling casing taking and replacing device and method |
| CN110984886A (en) * | 2019-11-27 | 2020-04-10 | 如东前进石油机械制造有限公司 | Multifunctional iron roughneck |
| CN110984886B (en) * | 2019-11-27 | 2022-04-15 | 如东前进石油机械制造有限公司 | Multifunctional iron roughneck |
| CN112610171A (en) * | 2020-12-24 | 2021-04-06 | 四川宏华石油设备有限公司 | Iron roughneck clamp assembly |
| CN113585989A (en) * | 2021-09-07 | 2021-11-02 | 兰州兰石石油装备工程股份有限公司 | Pipe handling system for continuous tripping drill rig |
| CN113585989B (en) * | 2021-09-07 | 2023-06-23 | 兰州兰石石油装备工程股份有限公司 | Pipe tool processing system of continuous tripping drilling machine |
| CN114320190A (en) * | 2021-12-21 | 2022-04-12 | 中石化四机石油机械有限公司 | Intelligent full-electric workover rig |
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