CN1683096A - Pipe bending machine - Google Patents
Pipe bending machine Download PDFInfo
- Publication number
- CN1683096A CN1683096A CN 200510038047 CN200510038047A CN1683096A CN 1683096 A CN1683096 A CN 1683096A CN 200510038047 CN200510038047 CN 200510038047 CN 200510038047 A CN200510038047 A CN 200510038047A CN 1683096 A CN1683096 A CN 1683096A
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- check valve
- valve
- links
- directional control
- solenoid directional
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Abstract
The pipe bending machine is used in bending large aperture pipe for petroleum, chemical and municipal construction. The pipe bending machine has mainly machine bed, tracks, rotating shaft on the tracks, rotating arm connected to the rotating shaft, front chuck on the front chuck seat, front and back clamps on the movable track, transformer and frequency varying power supply, hydraulic system, movable track, cooling system, frequency varying inducing ring, and roller box. The present invention has simple compact and reasonable structure, small size, and large pipe bending capacity.
Description
Technical field
The present invention relates to a kind of bending machine, specifically be used for the bending of oil, chemical industry electric power urban construction project construction large diameter pipeline, belong to plant equipment technology technical field.
Background technology
Before the present invention makes, in prior art, be used for the equipment that oil, chemical industry electric power urban construction project are built the large diameter pipeline bending, normally form by the transmission device of lathe bed, guide rail, rotating shaft, pivoted arm, chuck, clamping device and frame for movement etc.Its lathe bed and pivoted arm are isolating construction, and the rotating shaft of pivoted arm is fixed on the ground, utilize ground to bear load, because the rotating shaft in the pivoted arm is stressed bigger in angle pipe equipment, are several times of thrust, so equipment and ground take up an area of huge; The frame for movement transmission device adopts reducing gear, sprocket wheel, chain drive, so its complex structure, overall volume is big; It is little to add man-hour bend pipe angular range, inconvenient operation, because grip device directly is fixed on the pivoted arm front end, when elbow radius hour, the pivoted arm rear portion is stretched out longer, thereby the pivoted arm sectional dimension is bigger near pivoted arm forwards 90 ° to the time, and its rear portion is easy to lathe bed structure and interferes, and therefore processes cumbersome.
Technology contents
The objective of the invention is to overcome above-mentioned weak point, thereby provide a kind of simple, compact and reasonable for structure; Volume is little, and it is little to take plant area; When bending large-size high-tensile degree pipeline, it is big to have thrust, long stroke, the ability of low velocity and stepless speed regulation; The bend pipe angular range is big, and is easy to operate, and can adapt to the bending machine of different elbow radius bendings.
Main solution of the present invention is achieved in that
The present invention mainly adopts lathe bed 1 to be fixed on the ground, bed ways 2 are installed on lathe bed 1, rotating shaft 3 is contained on the bed ways 2, pivoted arm 4 is connected with rotating shaft 3, chuck base 5 before on pivoted arm 4, installing, preceding chuck 7 is installed on the preceding chuck base 5, front clamp device 10, rear fixture 18 is installed in respectively on the moving guide rail 14, connect transformer 11 respectively on lathe bed 1 top, variable-frequency power sources 9, hydraulic system 13 connects cylinder system 12, cylinder system 12 is connected with rear fixture 18, and moving guide rail 14 adopts equipment fixture 15 to be fixed on the lathe bed 1, and cooling system and variable frequency induction circle 8 are installed between front clamp device 10 and the Trolley case 17.
Compared with the prior art the present invention has the following advantages:
The present invention is simple, compact and reasonable for structure; Volume is little, and it is little to take plant area; Because adopt lathe bed directly to be fixed on the ground, the power that is produced is directly born by lathe bed, self stress balance; Because hydraulic control, thereby can realize the speed regulating control of thrust hydraulic jack, when bending large-size high-tensile degree pipeline, it is big to have thrust, long stroke, and the ability of low velocity and stepless speed regulation, its thrust can reach the 300-600 ton; Because chuck places pivoted arm top, and move before and after can be on the pivoted arm track, can adapt to different elbow radius bendings, and the bend pipe angle can reach 0-180 °, the bend pipe angular range is big, and is easy to operate; Because chuck adopts upper opening, pipeline can directly lift from angle pipe equipment, has significantly reduced the preparation before bend pipe.
Description of drawings
Fig. 1 is a structural representation front view of the present invention.
Fig. 2 is a structural representation vertical view of the present invention.
Fig. 3 clamps schematic diagram for pipeline in the structure of the present invention.
Fig. 4 is hydraulic system structure figure of the present invention.
The specific embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
The present invention mainly is made up of lathe bed 1, bed ways 2, rotating shaft 3, pivoted arm 4, preceding chuck base 5, workpiece 6, preceding chuck 7, variable frequency induction circle 8, variable-frequency power sources 9, front clamp device 10, transformer 11, cylinder system 12, hydraulic system 13, moving guide rail 14, fixture 15, gerotor motor 16, Trolley case 17, rear fixture 18, roller 19 and axle 20 etc.Lathe bed 1 adopts screw to be fixed on the ground, and bed ways 2 are installed on lathe bed 1, and rotating shaft 3 is contained on the bed ways 2, and pivoted arm 4 is connected with rotating shaft 3.Workpiece (pipeline) 6 adopts front clamp device 10 and rear fixture 18 to clamp.Chuck base 5 before installing on pivoted arm 4 front ends on the chuck base 5, carries out opening on preceding chuck 7 tops before preceding chuck 7 is installed in, and pipeline can directly lift from angle pipe equipment, has significantly reduced the preparation before bend pipe.Because preceding chuck 7 directly is fixed on pivoted arm 4 front ends, gerotor motor 16 is contained on the pivoted arm 4, gerotor motor 16 is started working when bend pipe, and pivoted arm 4 can be moved to adapt to the adjustment of elbow radius by the phase countershaft, guarantees can make in the process of bending pipeline center in progradation constant.Front clamp device 10 comprises roller casing 17,19, four rollers 19 of four rollers is housed in roller casing 17 is contained in respectively on two 20.Front clamp device 10, rear fixture 18 are installed on the moving guide rail 14, and rear fixture 18 is made up of two clamp clips.Connect transformer 11, variable-frequency power sources 9 on lathe bed 1 respectively, its input power supply is 1000KV, is 1200KW through the variable-frequency power sources cabinet, and again through transformer 11, its transformer 11 adopts compositions such as high silicon steel sheet, iron core, coil, and the water-cooled facility is arranged.Hydraulic system 13 connects cylinder system 12, cylinder system 12 is connected with rear fixture 18, by four hydraulic jacks of power switch control, can realize the fltting speed of three kinds of oil cylinders, in actual production is used, wherein two oil cylinders are used for the clamping of front clamp device 10 chucks, and chuck is not thrown off when bend pipe.Advance the straight tube pipeline when other two oil cylinders are used to bend, fast forwarding and fast rewinding speed is: 2000mm/min, job schedule is: 12-480mm/min.Moving guide rail 14 adopts fixture 15 to be fixed on the lathe bed 1, and cooling system and variable frequency induction circle 8 are installed between front clamp device 10 and the Trolley case 17.Cooling variable frequency induction circle 8 is in eddy-current heating, and hydraulic system 13 drives cylinder system 12 and promotes to make pivoted arm traction steel pipe to rotate forward.Cooling system adopts water-cooled or air-cooled mode to reduce the steel pipe temperature, thereby makes the bend pipe typing.
Hydraulic system structure annexation of the present invention is as follows:
Operation principle of the present invention:
The present invention utilizes variable-frequency power sources by induction coil pipeline to be treated that narrow region is carried out local heat in the bight portion, the position of induction coil is on the center line of the pivoted arm centre of gyration, be heated to mecystasis, applied thrust vertically, pipeline moves along thrust direction under the clamping of roller, but because the front end of pipeline is fixed on the pivoted arm by preceding chuck, the rectilinear motion of the pivoted arm restriction conduit that the axle center is fixing forces pipeline to bend in the rotate axle center of arm of heating part.Because the relative lathe bed in position of induction heating circle is fixed, the part that pipeline deforms under the effect of thrust shifts out the thermal treatment zone gradually, and is forced to cooling.Frequency conversion adds and picks process curved and cooling and carry out continuously realizing that pipeline bends.The present invention can process the long pipeline about 1 meter, and pipeline wall thickness is≤200 millimeters, can high pressure resistant≤5MPa.
Claims (5)
1, a kind of bending machine, comprise lathe bed (1), bed ways (2), rotating shaft (3), pivoted arm (4), employing is gone up at lathe bed (1) bed ways (2) is installed, it is characterized in that adopting rotating shaft (3) to be contained on the bed ways (2), pivoted arm (4) is connected with rotating shaft (3), chuck base (5) before pivoted arm (4) is gone up installation, preceding chuck (7) is installed on the preceding chuck base (5), front clamp device (10), rear fixture (18) is installed in respectively on the moving guide rail (14), on lathe bed (1), connect transformer (11) respectively, variable-frequency power sources (9), hydraulic system (13) connects cylinder system (12), cylinder system (12) is connected with rear fixture (18), moving guide rail (14) adopts fixture (15) to be fixed on the lathe bed (1), and cooling system and variable frequency induction circle (8) are installed between front clamp device (10) and the Trolley case (17).
2, a kind of bending machine according to claim 1 is characterized in that describedly having mouth on preceding chuck 7 tops.
3, a kind of bending machine according to claim 1 is characterized in that the described roller (19) that is equipped with in roller casing (17), roller (19) is contained on the axle (20).
4, a kind of bending machine according to claim 1 is characterized in that described rear fixture (18) is made up of two clamp clips.
5, a kind of bending machine according to claim 1, it is characterized in that described hydraulic system structure connects employing plunger displacement pump (32) and is connected with fuel tank (54) by pipeline one end, the other end is connected with check valve (26), between check valve (26) and plunger displacement pump (32) by pipeline and pressure switch (27), Pressure gauge (28), valve (31) connects, check valve (26) is connected with solenoid directional control valve (25) by pipeline, solenoid directional control valve (25) links to each other with check valve (23) by pipeline, check valve (24) is by pipeline and oil meter (23), hydraulic jack (52) connects, oil meter (23) is connected with valve (22), valve (22) is connected with Pressure gauge (21), hydraulic jack (52) is connected the back pipeline and inserts fuel tank with solenoid directional control valve (25), plunger displacement pump (44) one ends are connected with fuel tank (54), the other end is connected with check valve (41), between check valve (41) and plunger displacement pump (44) and pressure switch (43), valve (40), Pressure gauge (29) connects, check valve (41) and solenoid directional control valve (42), check valve (39,48) connect, solenoid directional control valve (42) links to each other with check valve (51), check valve (51) respectively and check valve (30), check valve (37), check valve (38) and check valve (50) link to each other, check valve (30) links to each other with electromagnetic relief valve (34), electromagnetic relief valve (34) links to each other with hydraulic jack (53), check valve (37) links to each other with electromagnetic relief valve (35), electromagnetic relief valve (35) links to each other with hydraulic jack (53), check valve (38) links to each other with electromagnetic relief valve (36), electromagnetic relief valve (36) links to each other with hydraulic jack (53), check valve (50) links to each other with hydraulic jack (53), hydraulic jack (53) links to each other with check valve (51), solenoid directional control valve (42) links to each other and inserts fuel tank (54), check valve (48) links to each other with solenoid directional control valve (47), solenoid directional control valve (47) links to each other with gerotor motor (46), solenoid directional control valve (47) connects gerotor motor (46), and be connected with pressure switch (45), gerotor motor (46) connects solenoid directional control valve (47) and inserts fuel tank (54), oil meter (33) is connected with fuel tank (54), and oil-in (49) is connected on the fuel tank (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510038047 CN1683096A (en) | 2005-03-09 | 2005-03-09 | Pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510038047 CN1683096A (en) | 2005-03-09 | 2005-03-09 | Pipe bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1683096A true CN1683096A (en) | 2005-10-19 |
Family
ID=35262696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510038047 Pending CN1683096A (en) | 2005-03-09 | 2005-03-09 | Pipe bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1683096A (en) |
-
2005
- 2005-03-09 CN CN 200510038047 patent/CN1683096A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |