CN104499944A - Diamond composite sheet reamer - Google Patents
Diamond composite sheet reamer Download PDFInfo
- Publication number
- CN104499944A CN104499944A CN201410689163.5A CN201410689163A CN104499944A CN 104499944 A CN104499944 A CN 104499944A CN 201410689163 A CN201410689163 A CN 201410689163A CN 104499944 A CN104499944 A CN 104499944A
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- China
- Prior art keywords
- pin
- reamer
- hole
- connecting pin
- diamond compact
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
Abstract
The invention discloses a diamond composite sheet reamer which comprises a hexagonal connector (1), a first connecting rod (2), a first body (3), a connecting pin (4), second connecting rods (5), fins (6), diamond composite sheets (7), a fixing pin (8), a second body (9), a connecting shaft (10), a third body (11), a plane cylindrical roller bearing (12), a fourth body (13), a threaded protective sleeve (14), a connecting pin (15) and connecting pins (16). Pit grooves (601) are formed in the tops and the outer sides of the fins (6), and the radially weld diamond composite sheets (7) in the pit grooves are used as cutting teeth of the reamer. According to the scheme, the diamond composite sheet reamer has the advantages that stress can be transmitted by the connecting rods and the connecting pins under the effect of bit pressure or the gravity, so that the two fins of the reamer can rotate along the fixing pins and can be closed and opened, and specified positions of formed holes can be reamed.
Description
Technical field
The present invention relates to the diamond compact reamer that the fields such as a kind of Hydraulic and Hydro-Power Engineering, bridge engineering, Mineral Engineering, construction work use.
Background technology
Be conventionally used to shape that the diamond compact reamer in engineering drilling creeps into as shown in figure 17; When requirement of engineering creeps into the expansion of shaped hole assigned address of shape as shown in figure 18, the diamond compact reamer of traditional structure cannot complete.
Summary of the invention
The invention provides a kind of diamond compact reamer, in order to realize the expansion of shaped hole assigned address, solve the expansion that traditional reamer cannot realize shaped hole assigned address.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of diamond compact reamer, comprising: six square joints (1); First connecting rod (2); The first housing (3); Connecting pin (4); Second connecting rod (5); Fin (6); Diamond compact (7); Steady pin (8); The second housing (9); Connecting axle (10); 3rd body (11); Plane cylinder roller bearing (12); 4th body (13); Protecting sleeve for thread (14), connecting pin (15); Connecting pin (16).Described fin 6 has the nest groove (601) being arranged in flap apex and outside, and by the cutting teeth of radial welding diamond compact 7 as reamer in nest groove; Described connecting pin 4 runs through by six square joints, and through first connecting rod; Connecting pin 15 runs through by second connecting rod, and through first connecting rod; Connecting pin 16 runs through and passes through fin, and the connecting pin 16 after passing is again through second connecting rod, it is under the pressure of the drill or Action of Gravity Field, transmit stressed reamer two fin that makes by connecting rod and connecting pin to rotate centered by steady pin 8, realize the closed of reamer two fin and open, completing the expansion to shaped hole assigned address.
Further, preferably, described six square joint 1(Fig. 3) there are the first internal thread (101), clamp groove (102), the first pin-and-hole (103), outer six square joints (104); And six square joints are connected with drilling rod external screw thread by the first internal thread (101), provide power for creeping into; Described clamp groove (102), is convenient to the handling of reamer and drilling rod;
Described first connecting rod 2(Fig. 5), specifically comprise: the first connecting pin bores (201) and the second connecting pin bores (202), and described connecting pin (4) runs through the first pin-and-hole (103) by six square joints and the first connecting pin bores (201), both are linked together, and connecting pin and the two be matched in clearance.
Further, preferably, described first housing 3(Fig. 4) have: interior six square grooves (301) and the first external screw thread (302), and described outer six square joints (104) coordinate with interior six square grooves (301) and assemble, the two is matched in clearance;
Described second connecting rod 5(Fig. 6), specifically comprise: the 3rd connecting pin bores (501) and the 4th connecting pin bores (502); And described connecting pin 15 runs through the 3rd connecting pin bores (501) of the second connecting pin bores (202) by first connecting rod and second connecting rod, both is linked together, and connecting pin and the two be matched in clearance.
Further, preferably, described fin 6(Fig. 7), further, preferably, the thickness of fin is generally determined by rock stratum sum of series reamer diameter.Angle that flap apex can calculate according to rock stratum progression (usually getting 0 ° ~ 18 °); Processed the nest groove (601) being arranged in flap apex and outside by milling machine, the degree of depth of sheet nest is determined by rock stratum progression, reamer diameter and stress point three aspect, by radial welding diamond compact 7 in nest groove, as the cutting teeth of reamer.(602) be gauge groove, usually open in fin side, radial welding alloy bar; Prevent drill bit undergauge; Second pin-and-hole (603), in Fig. 1, connecting pin (16) runs through by the second pin-and-hole (603) and the 4th connecting pin bores (502); Connecting pin 16 is matched in clearance with the two; 3rd pin-and-hole (604).
Further, preferably, described second housing 9(Fig. 8), specifically comprise: the second internal thread (901), the 4th pin-and-hole (902), the second external screw thread (903) and wing tank (904), and the second internal thread (901) is threaded connection with the external screw thread (302) of the first housing 3; Described steady pin 8 runs through the 3rd pin-and-hole (604) of the 4th pin-and-hole (902) by the second housing 9 and fin (6).
Described steady pin 8 is secure fit with the 4th pin-and-hole (902) of the second housing, be matched in clearance with the 3rd pin-and-hole (604) of fin, described fin rotates centered by steady pin 8 thus, and wherein, width and the overhang of the width of described wing tank and length and described fin are corresponding.
Further, preferably, described connecting axle 10(Fig. 9), there is limit body (1001); Axle core (1002); 3rd external screw thread (1003);
Described 3rd body 11(Figure 10), have: the 3rd internal thread (1101), be threaded connection with second external screw thread (903) of the second housing; 5th pin-and-hole (1102); First handling hole (1103); Bearing groove (1104), interference fit mounting plane roller bearing in groove;
Further, preferably, described 4th body 13(Figure 11), have: the 4th internal thread (1301); Connecting axle axle core (1002) runs through the 5th pin-and-hole (1102) by the 3rd body.The two is matched in clearance.3rd external screw thread (1003) is connected (1301) with the 4th internal thread of the 4th body.3rd body 11 is connected with the 4th body 13; The two is relatively rotated by plane roller bearing 12; When its object prevents from creeping into, reamer radially creeps in direction, affects the accuracy of assigned address extending bore position; Second handling hole (1302); When mounting and dismounting the 4th body 13, in handling hole, load auxiliary rod.(1303) be the 4th external screw thread;
Further, preferably, described protecting sleeve for thread 14(Figure 12); specifically comprise: the 5th internal thread (1401); being connected with the 4th external screw thread (1303) of the 4th body, the 3rd handling hole (1402), during for mounting and dismounting protecting sleeve for thread, loading auxiliary rod.Protecting sleeve for thread length dimension is determined by first order shaped hole assigned address.
Further, preferably, connecting pin link and fixed form:
Connecting pin 4(Figure 13), length is by (104) in six square joints 1 six square joint sizes decisions outward; Diameter is determined by Calculation and Analysis of Force.During connection, in the first housing 1, six square grooves restriction connecting pin (4) move horizontally, and to connecting pin 4 position-limiting actions, guarantee the stability connected.
Connecting pin 15(Figure 14), (1501) are the first limit body, and (1502) are the first limit pin hole; Connecting pin 15 length is determined by first connecting rod (2) and the connecting rod (5) width; Diameter is determined by Calculation and Analysis of Force.During connection, in (1502) limit pin hole, load resilient key, restriction connecting pin moves horizontally.
Connecting pin 16(Figure 15), (1601) are the second limit body, and (1602) are the second limit pin hole; Connecting pin 16 length is determined by second connecting rod (5) and fin width; Diameter is determined by Calculation and Analysis of Force.During connection, in (16-2) limit pin hole, load resilient key, restriction connecting pin moves horizontally.
Steady pin 8(Figure 16), length is determined by the 3rd body diameter, and can not be greater than the 3rd body diameter; Its diameter is determined by Calculation and Analysis of Force; After connecting, steady pin two ends are fixed on the 3rd body with welding manner.
Further, in described diamond compact reamer, the length of each connecting rod, thickness depends on fin open-angle C.The connecting pin bores that head rod and the second connecting rod two ends are processed by milling machine is respectively matched in clearance between connecting pin and pin-and-hole, and guaranteeing to move between connector completes smoothly.
Further; in described diamond compact reamer; the targeting part of the first housing (3), the second housing (9), the 3rd body (11), the 4th body (13) and protecting sleeve for thread (14) composition diamond compact reamer in Fig. 1, diameter is determined by datum hole diameter.When creeping into, for reamer provides correcting and orientation.
Further; during the expansion of described diamond compact reamer to shaped hole assigned address; when diamond compact reamer rotates under certain the pressure of the drill effect, connecting axle (10) in Fig. 1, the 4th body (13) and protecting sleeve for thread (14) to rotate together.Rotary power balances by the plane roller bearing that interference fit is installed in the 3rd body (12) bearing groove (1104).Protecting sleeve for thread (14) front end face determines the position of shaped hole with contacting at the bottom of datum hole hole.Its object ensures the accuracy of shaping position of positioning hole in datum hole.
When shaped hole assigned address expansion two-stage and the above shaped hole of two-stage, disassemble protecting sleeve for thread (14), drilling rod in connection, the 4th external screw thread (1303) is connected with drilling rod internal thread, externally threaded parameter and drill rod thread parameter suitable.The expansion of two-stage and the above shaped hole assigned address of two-stage can be completed at the multistage drilling rod of the upper connection of the 4th body the 4th external screw thread (1303) according to the position difference of shaping locating hole.
Further, prior art diamond compact reamer has crept into the shape of metapore as shown in figure 17.After the expansion of diamond compact reamer disclosed by the invention to shaped hole assigned address completes, hole shape as shown in figure 18; This diamond compact reamer can complete shaped hole shape as shown in figure 17, can complete the expansion of the shaped hole shape as shown in figure 18 simultaneously.In Figure 18, the scope of application of angle C adjusts in 0o < C < 90o, can according to the requirement of client to hole shape, the internal construction parameter of designing and calculating diamond compact reamer.
After this invention takes such scheme, under the pressure of the drill or Action of Gravity Field, transmit stressed reamer two fin that makes by connecting rod and connecting pin to rotate along steady pin, realize the closed of reamer two fin and open, complete the expansion to shaped hole assigned address, and fin welds diamond compact as creeping into cutting teeth.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from manual, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write manual, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail, to make above-mentioned advantage of the present invention definitely.Wherein,
Fig. 1 is diamond compact reamer structural representation of the present invention;
Fig. 2 is diamond compact reamer structural representation of the present invention;
Fig. 3 is six square joint structural representations in the present invention;
Fig. 4 is first housing structural representation in the present invention;
Fig. 5 is first connecting rod structural representation in the present invention;
Fig. 6 is second connecting rod structural representation in the present invention;
Fig. 7 is tab construction schematic diagram in the present invention;
Fig. 8 is second housing structural representation in the present invention;
Fig. 9 is connecting axle structure schematic diagram in the present invention;
Figure 10 is the 3rd housing construction schematic diagram in the present invention;
Figure 11 is the 4th housing construction schematic diagram in the present invention;
Figure 12 is protecting sleeve for thread structural representation in the present invention;
Figure 13 is connecting pin 4 structural representation in the present invention;
Figure 14 is connecting pin 15 structural representation in the present invention;
Figure 15 is connecting pin 16 structural representation in the present invention;
Figure 16 is steady pin 8 structural representation in the present invention;
Figure 17 is the diamond compact reamer shaped hole schematic shapes of prior art;
Figure 18 is that diamond compact reamer of the present invention can the schematic diagram of shaped hole.
Detailed description of the invention
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
The present invention its object is to the expansion realizing shaped hole assigned address, solves the expansion that traditional reamer cannot realize shaped hole assigned address.
A kind of diamond compact reamer, comprising: six square joints (1); First connecting rod (2); The first housing (3); Connecting pin (4); Second connecting rod (5); Fin (6); Diamond compact (7); Steady pin (8); The second housing (9); Connecting axle (10); 3rd body (11); Plane cylinder roller bearing (12); 4th body (13); Protecting sleeve for thread (14), connecting pin (15); Connecting pin (16).Described fin (6) has the nest groove (601) being arranged in flap apex and outside, and by the cutting teeth of radial welding diamond compact (7) as reamer in nest groove; Described connecting pin 4 runs through by six square joints, and through first connecting rod; Connecting pin (15) runs through by second connecting rod, and through first connecting rod; Connecting pin (16) runs through and passes through fin, and the connecting pin (16) after passing is again through second connecting rod, it is under the pressure of the drill or Action of Gravity Field, transmit stressed reamer two fin that makes by connecting rod and connecting pin to rotate centered by steady pin (8), realize the closed of reamer two fin and open, completing the expansion to shaped hole assigned address.
Further, preferably, described six square joint 1(Fig. 3) there are the first internal thread (101), clamp groove (102), the first pin-and-hole (103), outer six square joints (104); And six square joints are connected with drilling rod external screw thread by the first internal thread (101), provide power for creeping into; Described clamp groove (102), is convenient to the handling of reamer and drilling rod;
Described first connecting rod 2(Fig. 5), specifically comprise: the first connecting pin bores (201) and the second connecting pin bores (202), and described connecting pin 4 runs through the first pin-and-hole (103) by six square joints and the first connecting pin bores (201), both are linked together, and connecting pin and the two be matched in clearance.
Further, preferably, described first housing 3(Fig. 4) have: interior six square grooves (301) and the first external screw thread (302), and described outer six square joints (104) coordinate with interior six square grooves (301) and assemble, the two is matched in clearance;
Described second connecting rod 5(Fig. 6), specifically comprise: the 3rd connecting pin bores (501) and the 4th connecting pin bores (502); And described connecting pin 15 runs through the 3rd connecting pin bores (501) of the second connecting pin bores (202) by first connecting rod and second connecting rod, both is linked together, and connecting pin and the two be matched in clearance.
Further, preferably, described fin 6(Fig. 7), further, preferably, the thickness of fin is generally determined by rock stratum sum of series reamer diameter.Angle that flap apex can calculate according to rock stratum progression (usually getting 0 ° ~ 18 °); Processed the nest groove (601) being arranged in flap apex and outside by milling machine, the degree of depth of sheet nest is determined by rock stratum progression, reamer diameter and stress point three aspect, by radial welding diamond compact 7 in nest groove, as the cutting teeth of reamer.(602) be gauge groove, usually open in fin side, radial welding alloy bar; Prevent drill bit undergauge; Second pin-and-hole (603), in Fig. 1, connecting pin 16 runs through by the second pin-and-hole (603) and the 4th connecting pin bores (502); Connecting pin 16 is matched in clearance with the two; 3rd pin-and-hole (604).
Second housing 9(Fig. 8), specifically comprise: the second internal thread (901), the 4th pin-and-hole (902), the second external screw thread (903) and wing tank (904), and the second internal thread (901) is threaded connection with the external screw thread (302) of the first housing 3; Described steady pin 8 runs through the 3rd pin-and-hole (604) of the 4th pin-and-hole (902) by the second housing 9 and fin 6.
Described steady pin 8 is secure fit with the 4th pin-and-hole (902) of the second housing, be matched in clearance with the 3rd pin-and-hole (604) of fin, described fin rotates centered by steady pin 8 thus, and width and the overhang of the width of described wing tank and length and described fin are corresponding.
Further, preferably, described connecting axle 10(Fig. 9), there is limit body (1001); Axle core (1002); 3rd external screw thread (1003);
Described 3rd body 11(Figure 10), have: the 3rd internal thread (1101), be threaded connection with second external screw thread (903) of the second housing; 5th pin-and-hole (1102); First handling hole (1103); Bearing groove (1104), interference fit mounting plane roller bearing in groove;
Further, preferably, described 4th body 13(Figure 11), have: the 4th internal thread (1301); Connecting axle axle core (1002) runs through the 5th pin-and-hole (1102) by the 3rd body.The two is matched in clearance.3rd external screw thread (1003) is connected (1301) with the 4th internal thread of the 4th body.3rd body 11 is connected with the 4th body 13; The two is relatively rotated by plane roller bearing 12; When its object prevents from creeping into, reamer radially creeps in direction, affects the accuracy of assigned address extending bore position; Second handling hole (1302); When mounting and dismounting the 4th body 13, in handling hole, load auxiliary rod.(1303) be the 4th external screw thread;
Further, preferably, described protecting sleeve for thread 14(Figure 12); comprise: the 5th internal thread (1401); being connected with the 4th external screw thread (1303) of the 4th body, the 3rd handling hole (1402), during for mounting and dismounting protecting sleeve for thread, loading auxiliary rod.Protecting sleeve for thread length dimension is determined by first order shaped hole assigned address.
Further, preferably, connecting pin link and fixed form:
Connecting pin 4(Figure 13), length is by (104) in six square joints 1 six square joint sizes decisions outward; Diameter is determined by Calculation and Analysis of Force.During connection, in the first housing 1, six square grooves restriction connecting pin (4) move horizontally, and to connecting pin 4 position-limiting actions, guarantee the stability connected.
Connecting pin 15(Figure 14), (1501) are the first limit body, and (1502) are the first limit pin hole; Connecting pin 15 length is determined by first connecting rod (2) and the connecting rod (5) width; Diameter is determined by Calculation and Analysis of Force.During connection, in (1502) limit pin hole, load resilient key, restriction connecting pin moves horizontally.
Connecting pin 16(Figure 15), (1601) are the second limit body, and (1602) are the second limit pin hole; Connecting pin 16 length is determined by second connecting rod (5) and fin width; Diameter is determined by Calculation and Analysis of Force.During connection, in (16-2) limit pin hole, load resilient key, restriction connecting pin moves horizontally.
Steady pin 8(Figure 16), length is determined by the 3rd body diameter, and can not be greater than the 3rd body diameter; Its diameter is determined by Calculation and Analysis of Force; After connecting, steady pin two ends are fixed on the 3rd body with welding manner.
Further, in described diamond compact reamer, the length of each connecting rod, thickness depends on fin open-angle C.The connecting pin bores that head rod and the second connecting rod two ends are processed by milling machine is respectively matched in clearance between connecting pin and pin-and-hole, and guaranteeing to move between connector completes smoothly.
Further; in described diamond compact reamer; the targeting part of the first housing (3), the second housing (9), the 3rd body (11), the 4th body (13) and screw buckle protective sleeve (14) composition diamond compact reamer in Fig. 1, diameter is determined by datum hole diameter.When creeping into, for reamer provides correcting and orientation.
Further; during the expansion of described diamond compact reamer to shaped hole assigned address; when diamond compact reamer rotates under certain the pressure of the drill effect, connecting axle (10) in Fig. 1, the 4th body (13) and protecting sleeve for thread (14) to rotate together.Rotary power balances by the plane roller bearing that interference fit is installed in the 3rd body (12) bearing groove (1104).Protecting sleeve for thread (14) front end face determines the position of shaped hole with contacting at the bottom of datum hole hole.Its object ensures the accuracy of shaping position of positioning hole in datum hole.
When shaped hole assigned address expansion two-stage and the above shaped hole of two-stage, disassemble protecting sleeve for thread (14), drilling rod in connection, the 4th external screw thread (1303) is connected with drilling rod internal thread.Externally threaded parameter and drill rod thread parameter suitable.The expansion of two-stage and the above shaped hole assigned address of two-stage can be completed at the multistage drilling rod of the upper connection of the 4th body the 4th external screw thread (1303) according to the position difference of shaping locating hole.
Further, prior art diamond compact reamer has crept into the shape of metapore as shown in figure 17.After the expansion of diamond compact reamer disclosed by the invention to shaped hole assigned address completes, hole shape as shown in figure 18; This diamond compact reamer can complete shaped hole shape as shown in figure 17, can complete the expansion of the shaped hole shape as shown in figure 18 simultaneously.In Figure 18, the scope of application of angle C adjusts in 0o < C < 90o, can according to the requirement of client to hole shape, the internal construction parameter of designing and calculating diamond compact reamer.
in the present invention, the expansion process of shaped hole assigned address:
During the expansion of A. shaped hole assigned address, this datum hole that creeps into that first must complete datum hole is generally upright opening.
When B. boring down, under gravity, be made up of the guiding of diamond compact reamer the first housing 3, the second housing 9, the 3rd body 11, the 4th body 13 and protecting sleeve for thread 14, vertically do relative motion with six square joints 1.Six square joints 1 drive first connecting rod along datum hole upward vertical movement by connecting pin 4, first connecting rod drives second connecting rod to rotate centered by connecting pin 15 by connecting pin 15, and second connecting rod drives two fins 6 to rotate centered by steady pin 8 by connecting pin 16 respectively.During stress balance, two fins are completely closed as shown in Figure 2; In Fig. 2, Q is the relative shift between six square joints and guiding.Two fins are completely closed, guarantee that going down process carries out smoothly.
C. the assigned address that the first order treats extension forming hole is got under reamer.
D., under certain the pressure of the drill effect, six square joints 1 can along datum hole vertical downward movement, and connecting pin 4 drives first connecting rod vertical downward movement, and first connecting rod drives second connecting rod to rotate centered by connecting pin 15 by connecting pin 15; Second connecting rod drives two fins 6 to rotate centered by steady pin 8 by connecting pin 16 respectively.During stress balance, two fins open as shown in Figure 1 completely.
E., when the expansion of shaped hole assigned address starts, drive UR device to rotate at rig drilling speed and the pressure of the drill, on two fins 6, the diamond compact 7 of welding creeps into as cutting teeth, completes the expansion of shaping locating hole.
F., when the expansion of shaped hole assigned address terminates to carry brill, carrying pulling force six square joint 1 boring generation can along datum hole upward vertical movement.Drive first connecting rod upward vertical movement by connecting pin 4, first connecting rod drives second connecting rod to rotate centered by connecting pin 15 by connecting pin 15, and second connecting rod drives two fins 6 to rotate centered by steady pin 8 by connecting pin 16 respectively.During stress balance, two fins are completely closed as shown in Figure 2.Guarantee that putting forward drill-through journey completes smoothly.
G. the expansion of first order shaped hole assigned address terminates;
H. brill is carried.
When I. needing shaped hole assigned address expansion two-stage and the above hole of two-stage, disassemble the protecting sleeve for thread 14 of reamer front end, drilling rod in connection, can according to the expansion of the process implementation next stage shaped hole assigned address of above B to H.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a diamond compact reamer, comprising: six square joints (1); First connecting rod (2); The first housing (3); Connecting pin (4); Second connecting rod (5); Fin (6); Diamond compact (7); Steady pin (8); The second housing (9); Connecting axle (10); 3rd body (11); Plane cylinder roller bearing (12); 4th body (13); Protecting sleeve for thread (14), connecting pin (15); Connecting pin (16), is characterized in that, described fin (6) has the nest groove (601) being arranged in flap apex and outside, and by the cutting teeth of radial welding diamond compact (7) as reamer in nest groove; Described connecting pin (4) runs through by six square joints (1), and through first connecting rod; Connecting pin (15) runs through by second connecting rod, and through first connecting rod; Connecting pin (16) runs through and passes through fin, and the connecting pin (16) after passing is again through second connecting rod, it is under the pressure of the drill or Action of Gravity Field, transmit stressed reamer two fin that makes by connecting rod and connecting pin to rotate centered by steady pin (8), to make the closed of reamer two fin and to open, complete the expansion to shaped hole assigned address.
2. diamond compact reamer according to claim 1, is characterized in that, described six square joints (1) have the first internal thread (101), clamp groove (102), the first pin-and-hole (103), outer six square joints (104); And six square joints are connected with drilling rod external screw thread by the first internal thread (101), provide power for reamer creeps into; Described clamp groove (102), is convenient to the handling of reamer and drilling rod;
Described first connecting rod 2, specifically comprise: the first connecting pin bores (201) and the second connecting pin bores (202), and described connecting pin 4 runs through the first pin-and-hole (103) by six square joints and the first connecting pin bores (201), both are linked together, and connecting pin and the two be matched in clearance.
3. diamond compact reamer according to claim 2, it is characterized in that, the described first housing (3) has: interior six square grooves (301) and the first external screw thread (302), and described outer six square joints (104) coordinate with interior six square grooves (301) and assemble, and the two is matched in clearance;
Described second connecting rod (5), specifically comprises: the 3rd connecting pin bores (501) and the 4th connecting pin bores (502); And described connecting pin (15) runs through the 3rd connecting pin bores (501) of the second connecting pin bores (202) by first connecting rod and second connecting rod, both linked together, and connecting pin (15) is matched in clearance with the two.
4. diamond compact reamer according to claim 3, is characterized in that, the thickness of described fin (6) is determined by rock stratum sum of series reamer diameter, and 0 ° ~ 18 angles are got on top; The nest groove (601) being arranged in flap apex and outside is processed by milling machine, the degree of depth of sheet nest is determined by rock stratum progression, reamer diameter and stress point three aspect, by radial welding diamond compact (7) in nest groove, as the cutting teeth of reamer, gauge groove (602) is opened in fin side, radial welding alloy bar; Prevent drill bit undergauge; Second pin-and-hole (603), connecting pin (16) runs through by the second pin-and-hole (603) and the 4th connecting pin bores (502); Connecting pin (16) is matched in clearance with the two; In addition, also there is the 3rd pin-and-hole (604).
5. diamond compact reamer according to claim 4, it is characterized in that, the described second housing (9), specifically comprise: the second internal thread (901), the 4th pin-and-hole (902), the second external screw thread (903) and wing tank (904), and the second internal thread (901) is threaded connection with the external screw thread (302) of the first housing (3); Described steady pin (8) runs through the 3rd pin-and-hole (604) of the 4th pin-and-hole (902) by the second housing (9) and fin (6);
Described steady pin (8) is secure fit with the 4th pin-and-hole (902) of the second housing, be matched in clearance with the 3rd pin-and-hole (604) of fin, described fin rotates centered by steady pin (8) thus, wherein, the width of the width of described wing tank and length and described fin and overhang corresponding.
6. diamond compact reamer according to claim 5, is characterized in that, described connecting axle (10), specifically comprises: limit body (1001); Axle core (1002); 3rd external screw thread (1003).
7. diamond compact reamer according to claim 6, is characterized in that, described 3rd body (11), has: the 3rd internal thread (1101), is threaded connection with second external screw thread (903) of the second housing; 5th pin-and-hole (1102); First handling hole (1103); Bearing groove (1104), interference fit mounting plane roller bearing in groove.
8. diamond compact reamer according to claim 7, is characterized in that, described 4th body (13) has: the 4th internal thread (1301); Connecting axle axle core (1002) runs through the 5th pin-and-hole (1102) by the 3rd body, and the two is matched in clearance;
3rd external screw thread (1003) is connected (1301) with the 4th internal thread of the 4th body, and the 3rd body 11 is connected with the 4th body 13; The two is relatively rotated by plane roller bearing 12; During to prevent from creeping into, reamer radially creeps in direction, guarantees the accuracy of assigned address extending bore position; Second handling hole (1302); When mounting and dismounting the 4th body (13), load auxiliary rod in handling hole, in addition, be also provided with the 4th external screw thread (1303).
9. diamond compact reamer according to claim 8; it is characterized in that; described protecting sleeve for thread (14); comprise: the 5th internal thread (1401); be connected with the 4th external screw thread (1303) of the 4th body; second handling hole (1402), load auxiliary rod during for mounting and dismounting protecting sleeve for thread, protecting sleeve for thread length dimension is determined by first order shaped hole assigned address.
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| CN106217661A (en) * | 2016-08-08 | 2016-12-14 | 浙江水利水电学院 | Rock-boring is made seam device and makes seam method |
| CN106958419A (en) * | 2017-05-27 | 2017-07-18 | 河南理工大学 | Mine anchor rod hole screw drive formula reaming drilling rod |
| CN108505946A (en) * | 2018-04-13 | 2018-09-07 | 吉林大学 | Snow deposit drilling reducing hot melting drill head |
| CN108603397A (en) * | 2016-01-28 | 2018-09-28 | 斯伦贝谢技术有限公司 | Underreamer wing |
| US11002080B2 (en) | 2016-01-28 | 2021-05-11 | Schlumberger Technology Corporation | Staged underreamer cutter block |
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| CN104499944B (en) | 2017-09-22 |
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