CN214403526U - Sucker rod rotation guiding device - Google Patents
Sucker rod rotation guiding device Download PDFInfo
- Publication number
- CN214403526U CN214403526U CN202023311105.9U CN202023311105U CN214403526U CN 214403526 U CN214403526 U CN 214403526U CN 202023311105 U CN202023311105 U CN 202023311105U CN 214403526 U CN214403526 U CN 214403526U
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- connecting rod
- universal connecting
- back cap
- joint
- pin
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Abstract
The upper end of a torsion guide block is inserted into an oblong groove of an upper universal connecting rod, and the lower end of the torsion guide block is inserted into an oblong groove of a lower universal connecting rod; the hemispherical bowl of the upper back cap is buckled on the hemisphere of the upper universal connecting rod; the hemispherical bowl of the lower back cap is buckled on the hemisphere of the lower universal connecting rod; the internal thread at the upper part of the working guide sleeve is connected with the external thread of the upper back cap and is locked by the anti-back-off pin, and the internal thread at the lower part of the working guide sleeve is connected with the external thread of the lower back cap and is locked by the anti-back-off pin; the lower part of the upper joint is connected with the universal connecting rod through threads and locked through the anti-back-off pin, and the upper part of the upper joint is provided with sucker rod threads; the upper part of the lower joint is connected with the lower universal connecting rod through threads and locked through the anti-back-off pin, and the lower part of the lower joint is provided with sucker rod threads. The utility model has the characteristics of simple structure can transmit torsion in great or the inclined shaft of curvature, has that guide angle is big, has improved sucker rod and oil pipe's life greatly.
Description
Technical Field
The utility model relates to a lead and revolve the device, especially a sucker rod leads and revolves device belongs to the technical field in the aspect of the oil machinery.
Background
The disclosed technology beam-pumping unit and screw pump, all are that the well oil pipe string bottom presets the pump cylinder, connects the sucker rod of the piston of plunger pump or screw pump rotor, goes into in the pit from oil pipe, transmits ground kinetic energy to the pump in the pit through the sucker rod to liquid passes through oil pipe discharge exploitation ground well head in the pit, and the difference is: the former is pulling kinetic energy, and the latter is rotational kinetic energy. For a vertical well with smaller inclination, the working efficiency is high, and for a well with larger inclination and a horizontal well, as the oil pipe is spirally bent in the well, the sucker rod deflects to the inner wall of the oil pipe, repeated friction causes abrasion of the surface of the sucker rod and the inner wall of the oil pipe, and the sucker rod pipe in the well breaks off in severe cases, so that frequent well repairing operation is caused, the oil field development efficiency is reduced, and the oil field development cost is increased.
In order to solve the above problems, engineers and engineers have also developed universal guides for sucker rods, but none of them can simultaneously bear tension and torque, and have the disadvantages of low bearing capacity, complex structure, high manufacturing cost, small guide angle, etc. The utility model discloses can bear tension and moment of torsion simultaneously to bearing capacity is strong, has simple structure, safe and reliable's characteristics, and the great or spiral helicine oil well of specially adapted inclination to and big curvature horizontal well sucker rod pump oil recovery gas production.
Disclosure of Invention
Aiming at the defects of the problems, the utility model aims at providing a sucker rod rotation guide device, which comprises a rotation guide device body consisting of an upper joint 1, an upper joint anti-reverse buckling pin 2, an upper universal connecting rod 3, an upper back cap 4, an upper back cap anti-reverse buckling pin 5, a working guide sleeve 6, a torsion guide block 7, a lower back cap anti-reverse buckling pin 8, a lower back cap 9, a lower universal connecting rod 10, a lower joint anti-reverse buckling pin 11 and a lower joint 12; the method is characterized in that: the upper end of the torsion guide block 7 is inserted into the oblong groove 18 of the upper universal connecting rod 3, and the lower end of the torsion guide block 7 is inserted into the oblong groove 18 of the lower universal connecting rod 10; the hemispherical bowl of the upper back cap 4 is buckled on the hemisphere of the upper universal connecting rod 3; the hemisphere bowl of the lower back cap 9 is buckled on the hemisphere of the lower universal connecting rod 10; the internal thread at the upper part of the working guide sleeve 6 is connected with the external thread of the upper back cap 4 and is locked by the upper back cap anti-back-off pin 5, and the internal thread at the lower part of the working guide sleeve 6 is connected with the external thread of the lower back cap 9 and is locked by the lower back cap anti-back-off pin 8; the lower part of the upper joint 1 is connected with an upper universal connecting rod 3 through threads and locked by an upper joint anti-back-off pin 2, and the upper part of the upper joint 1 is provided with sucker rod threads; the upper part of the lower joint 12 is connected with the lower universal connecting rod 10 through threads and locked by the anti-back-off pin 11 of the lower joint, and the lower part of the lower joint 12 is provided with sucker rod threads.
The upper universal connecting rod 3 and the lower universal connecting rod 10 have the same structure, one end of the upper universal connecting rod 3 is a male thread, and the end of the male thread and the rod body are provided with an arc transition neck part 13; the other end of the upper universal connecting rod 3 is in a cone 17 structure, and the transition neck of the cone 17 and the rod body 15 is a hemisphere 16.
An oblong groove 18 is arranged at the end of a cone 17 of the upper universal connecting rod 3, and the bottom surface of the groove 18 is provided with a conical concave angle 19.
Last back of the body cap 4 and lower back of the body cap 9 have the same structure, the one end of going up back of the body cap 4 is the bell mouth, the inside hemisphere bowl-shaped structure that is of the other end of going up back of the body cap 4, the outside is the public screw thread, is provided with the structure of toper contact surface 14 on the excircle of the screw thread root of last back of the body cap 4.
The two ends of the excircle of the working guide sleeve 6 are both provided with structures of conical contact surfaces 14, the two ends of the working guide sleeve 6 are connected with the upper back cap 4 and the lower back cap 9 through threads, and the conical convex body of the working guide sleeve 6 is inserted into the conical concave bodies of the upper back cap 4 and the lower back cap 9 to be coincided into the conical contact surfaces 14.
The torsion guide block 7 is in the shape of an oblong strip block, a parallel surface 21 is arranged on the front side and the rear side, and a cylindrical surface 22 is arranged on the left side and the right side.
The end parts of the upper end and the lower end of the torsion guide block 7 are provided with conical convex angles 20; the twist guide 7 is inserted into the oblong grooves 18 of the upper and lower universal links 3, 10, and the tapered convex corner 20 of the twist guide 7 is inserted into the tapered concave corner 19 of the upper and lower universal links 3, 10.
The utility model has the advantages that: simple structure, the connection of current screw pump well sucker rod of adaptation that can be fine can transmit torsion in great or the inclined shaft of curvature, has the big characteristics of guiding angle, has improved the life of sucker rod and oil pipe greatly.
Drawings
FIG. 1 is a schematic view of the whole structure and a partial sectional structure of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 3;
FIG. 3 is a schematic cross-sectional view of the oblong groove structures at the cone ends of the hemispheres of upper and lower universal links 3 and 10 of FIG. 1;
FIG. 4 is a schematic top view of the structure of FIG. 5;
FIG. 5 is a schematic cross-sectional view of the left side view structure of FIG. 3;
FIG. 6 is a schematic top view of the structure of FIG. 7;
fig. 7 is a schematic structural view of the torsion guide 7 of fig. 1;
FIG. 8 is a schematic top view of the structure of FIG. 9;
fig. 9 is a left side view of the structure of fig. 7.
In the figure: the anti-back-off device comprises an upper joint 1, an upper joint anti-back-off pin 2, an upper universal connecting rod 3, an upper back cap 4, an upper back cap anti-back-off pin 5, a working guide sleeve 6, a torsion guide block 7, a lower back cap anti-back-off pin 8, a lower back cap 9, a lower universal connecting rod 10, a lower joint anti-back-off pin 11, a lower joint 12, an arc transition neck 13 of the upper universal connecting rod 1 and the lower universal connecting rod 10, a matching conical contact surface 14 of the upper back cap 4, the lower back cap 9 and the working guide sleeve 6, a rod body 15, a hemispheroid 16, a cone 17, a long circular groove 18, a conical concave angle 19, a conical convex angle 20, a plane 21 and a cylindrical surface 22.
Detailed Description
As shown in fig. 1, a sucker rod rotation guide device comprises an upper joint 1, an upper joint anti-back-off pin 2, an upper universal connecting rod 3, an upper back cap 4, an upper back cap anti-back-off pin 5, a work guide sleeve 6, a torsion guide block 7, a lower back cap anti-back-off pin 8, a lower back cap 9, a lower universal connecting rod 10, a lower joint anti-back-off pin 11, a lower joint 12, and is characterized in that: the upper end of the torsion guide block 7 is inserted into the oblong groove 18 of the upper universal connecting rod 3, and the lower end of the torsion guide block 7 is inserted into the oblong groove 18 of the lower universal connecting rod 10; the hemispherical bowl of the upper back cap 4 is buckled on the hemisphere of the upper universal connecting rod 3; the hemisphere bowl of the lower back cap 9 is buckled on the hemisphere of the lower universal connecting rod 10; the internal thread at the upper part of the working guide sleeve 6 is connected with the external thread of the upper back cap 4 and is locked by the upper back cap anti-back-off pin 5, and the internal thread at the lower part of the working guide sleeve 6 is connected with the external thread of the lower back cap 9 and is locked by the lower back cap anti-back-off pin 8; the lower part of the upper joint 1 is connected with an upper universal connecting rod 3 through threads and locked by an upper joint anti-back-off pin 2, and the upper part of the upper joint 1 is provided with sucker rod threads; the upper part of the lower joint 12 is connected with the lower universal connecting rod 10 through threads and locked by the anti-back-off pin 11 of the lower joint, and the lower part of the lower joint 12 is provided with sucker rod threads.
As shown in fig. 1, 2, 3, 4 and 5, the upper universal connecting rod 3 and the lower universal connecting rod 10 have the same structure, one end of the upper universal connecting rod 3 is a male thread, and the end of the male thread and the rod body are provided with an arc transition neck 13; the other end of the upper universal connecting rod 3 is in a cone 17 structure, and the transition neck of the cone 17 and the rod body 15 is a hemisphere 16; the cone 17 end of the upper universal connecting rod 3 is provided with an oblong groove 18, and the bottom surface of the groove 18 is provided with a conical concave angle 19.
As shown in fig. 1, the upper back cap 4 and the lower back cap 9 have the same structure, one end of the upper back cap 4 is a tapered hole, the inside of the other end is a hemispherical bowl-shaped structure, the outside is a male thread, and the outer circle of the body is provided with a tapered contact surface 14; the two ends of the excircle of the working guide sleeve 6 are both provided with conical contact surfaces 14, the two ends of the working guide sleeve 6 are connected with the upper back cap 4 and the lower back cap 9 through threads, and the conical convex body of the working guide sleeve 6 is inserted into the conical concave bodies of the upper back cap 4 and the lower back cap 9 to be coincided into the conical contact surfaces 14.
As shown in fig. 1, 6, 7, 8 and 9, the twist guide block 7 is in the shape of an oblong bar, the front side and the rear side of which are parallel surfaces 21, and the left side and the right side of which are cylindrical surfaces 22; the end parts of the upper end and the lower end of the torsion guide block 7 are provided with conical convex angles 20; the twist guide 7 is inserted into the oblong grooves 18 of the upper and lower universal links 3, 10, and the tapered convex corner 20 of the twist guide 7 is inserted into the tapered concave corner 19 of the upper and lower universal links 3, 10.
The utility model discloses install between the sucker rod between artifical lifting well ground drive arrangement of oil industry and the downhole pump for the deflecting bending well section of highly deviated well and horizontal well can alleviate the friction of sucker rod and oil pipe inner wall, realizes the transmission of pulling force and moment of torsion, and the liquid in the pit is adopted to the drive downhole pump row.
The working state of the transmitted pulling force is as follows: when the sucker rod connected with the upper part of the upper joint 1 is pulled upwards, the upper joint 1 pulls the upper universal connecting rod 3, the upper universal connecting rod 3 pulls the upper back cap 4 and the upper back cap 4 to pull the working guide sleeve 6, the working guide sleeve 6 pulls the lower back cap 9 and the lower back cap 9 to pull the lower universal connecting rod 10, the lower universal connecting rod 10 pulls the lower joint 12, and the lower joint 12 pulls the sucker rod connected with the lower part, so that the upward pulling force is transmitted.
The transmission thrust working state is as follows: when the sucker rod connected to the upper part of the upper joint 1 is pushed downwards, the upper joint 1 pushes the upper universal connecting rod 3, the upper universal connecting rod 3 pushes the torsion guide block 6, the torsion guide block 6 pushes the lower universal connecting rod 10, the lower universal connecting rod 10 pushes the lower joint 12, and the lower joint 12 pushes the sucker rod connected to the lower part, so that downward thrust is transmitted.
The transmission torque working state is as follows: when the sucker rod connected with the upper part of the upper joint 1 is rotated, the upper joint 1 twists the upper universal connecting rod 3, the upper universal connecting rod 3 twists the twisting guide block 7, the twisting guide block 7 twists the lower universal connecting rod 10, the lower universal connecting rod 10 twists the lower joint 12, and the lower joint 12 twists the sucker rod connected with the lower part thereof, so that the torque acting on the upper sucker rod is transmitted to the lower sucker rod.
Claims (7)
1. A sucker rod guide rotation device comprises a guide rotation device body consisting of an upper joint (1), an upper joint anti-back-off pin (2), an upper universal connecting rod (3), an upper back cap (4), an upper back cap anti-back-off pin (5), a working guide sleeve (6), a torsion guide block (7), a lower back cap anti-back-off pin (8), a lower back cap (9), a lower universal connecting rod (10), a lower joint anti-back-off pin (11) and a lower joint (12); the method is characterized in that: the upper end of the torsion guide block (7) is inserted into the oblong groove (18) of the upper universal connecting rod (3), and the lower end of the torsion guide block (7) is inserted into the oblong groove (18) of the lower universal connecting rod (10); the hemispherical bowl of the upper back cap (4) is buckled on the hemisphere of the upper universal connecting rod (3); the hemisphere bowl of the lower back cap (9) is buckled on the hemisphere of the lower universal connecting rod (10); the internal thread at the upper part of the working guide sleeve (6) is connected with the external thread of the upper back cap (4) and is locked by the upper back cap anti-back-off pin (5), and the internal thread at the lower part of the working guide sleeve (6) is connected with the external thread of the lower back cap (9) and is locked by the lower back cap anti-back-off pin (8); the lower part of the upper joint (1) is connected with an upper universal connecting rod (3) through threads and locked by an upper joint anti-back-off pin (2), and the upper part of the upper joint (1) is provided with sucker rod threads; the upper part of the lower joint (12) is connected with a lower universal connecting rod (10) through threads and locked through an anti-back-off pin (11), and the lower part of the lower joint (12) is provided with sucker rod threads.
2. The sucker rod rotation guide device of claim 1, wherein the upper universal connecting rod (3) and the lower universal connecting rod (10) have the same structure, one end of the upper universal connecting rod (3) is a male thread, and the male thread end and the rod body are provided with an arc transition neck (13); the other end of the upper universal connecting rod (3) is of a cone (17) structure, and the transition neck of the cone (17) and the rod body (15) is a hemisphere (16).
3. The sucker rod rotation guide device of claim 2, wherein the conical body (17) end of the upper universal connecting rod (3) is provided with an oblong groove (18), and the bottom surface of the groove (18) is provided with a conical concave angle (19).
4. The sucker rod rotation guide device of claim 1, wherein the upper back cap (4) and the lower back cap (9) have the same structure, one end of the upper back cap (4) is a tapered hole, the other end of the upper back cap (4) is internally provided with a hemispherical bowl-shaped structure, the outer part of the hemispherical bowl-shaped structure is provided with a male thread, and the outer circle of the thread root of the upper back cap (4) is provided with a structure of a tapered contact surface (14).
5. The sucker rod rotation guide device of claim 1, wherein the two ends of the excircle of the work guide sleeve (6) are provided with conical contact surfaces (14), the two ends of the work guide sleeve (6) are connected with the upper back cap (4) and the lower back cap (9) through threads, and the conical convex body of the work guide sleeve (6) is inserted into the conical concave bodies of the upper back cap (4) and the lower back cap (9) to form the conical contact surfaces (14).
6. The sucker rod rotation guide device according to claim 1, wherein the torsion guide block (7) is in the shape of an oblong block, the front side and the rear side of the torsion guide block are parallel surfaces (21), and the left side and the right side of the torsion guide block are cylindrical surfaces (22).
7. The sucker rod rotation guide device of claim 1 or 6, wherein the ends of the upper and lower ends of the torsion guide block (7) are provided with conical convex angles (20); the torsional guide block (7) is inserted into the oblong grooves (18) of the upper universal connecting rod (3) and the lower universal connecting rod (10), and the conical convex angle (20) of the torsional guide block (7) is inserted into the conical concave angle (19) of the upper universal connecting rod (3) and the lower universal connecting rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023311105.9U CN214403526U (en) | 2020-12-31 | 2020-12-31 | Sucker rod rotation guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023311105.9U CN214403526U (en) | 2020-12-31 | 2020-12-31 | Sucker rod rotation guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403526U true CN214403526U (en) | 2021-10-15 |
Family
ID=78044743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023311105.9U Active CN214403526U (en) | 2020-12-31 | 2020-12-31 | Sucker rod rotation guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403526U (en) |
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2020
- 2020-12-31 CN CN202023311105.9U patent/CN214403526U/en active Active
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