CN205277329U

CN205277329U - Sucker rod guide

Info

Publication number: CN205277329U
Application number: CN201521114248.7U
Authority: CN
Inventors: 魏保明
Original assignee: ZHENGZHOU RUIBANG PETROLEUM MACHINERY Co Ltd
Current assignee: Zhengzhou Ruibang Petroleum Technology Co.,Ltd.
Priority date: 2015-12-29
Filing date: 2015-12-29
Publication date: 2016-06-01
Anticipated expiration: 2025-12-29

Abstract

The utility model provides a sucker rod guide, the interconnection connects I and connects II connections and cup joint in the barrel with the interconnection, the other end of interconnection joint I is connected with outer joint head I outside the barrel, the other end of interconnection joint II is connected with outer joint head II outside the barrel, the interconnection connects I and comprises axle I and bulb I, the interconnection connects II and comprises axle II and bulb II, the barrel is at the inside spacer that is provided with of the barrel of bulb I and II junctions of bulb, be provided with the end cover in the barrel of II junctions of barrel and interconnection joint, the connection of bulb I and bulb II is for making interconnection joint I and interconnection connect the key -type connection of II transmission moments of torsion. Compared with the prior art, the utility model discloses make that director overall structure diminishes, the size shortens, the design of recess and boss design and recess and transmission piece for the joint strength that the interconnection connects increases, the moment of torsion grow of transmission. The big fillet design that the terminal surface adopted has reduced the friction of this sucker rod guide to the inner wall of the oil tubing, has improved oil pipe's life.

Description

A kind of sucker rod guide

Technical field

This utility model relates to petroleum gas and coal-bed gas exploitation field, particularly relates to a kind of sucker rod guide.

Background technology

In coal-bed gas exploitation, in order to increase the contact area of pit shaft and coal bed gas, adopt High angle and horizontal well technology. Screw pump must be installed to down-hole by gatherer process and be used for draining, sucker rod needs to connect with guider when the transition portion of high angle hole and horizontal well rotates, existing guider rotational resistance is bigger, add power consumption, and OIH pipe is produced bigger abrasion, shorten the service life of oil pipe.

Utility model content

This utility model shortcoming in order to solve above-mentioned prior art, it is provided that a kind of sucker rod guide, it is possible to reduce the rotational resistance of guider, reduce power consumption, minimizing to the abrasion of OIH pipe, the service life increasing oil pipe.

This utility model is achieved in that a kind of sucker rod guide, interior union joint I and interior union joint II engage and are socketed in cylinder, the other end of interior union joint I is connected with outer union joint I outside cylinder, and the other end of interior union joint II is connected with outer union joint II outside cylinder. Wherein, interior union joint I is made up of axle I and bulb I, and axle I and bulb I are integrated formed structures, and interior union joint II is made up of axle II and bulb II, and axle II and bulb II are integrated formed structures. The end face I of cylinder, the end face II of cylinder, the end face III of outer union joint I and the end face IV of outer union joint II are arc chord angle designs.

Inner barrel starts setting up the space I of cylinder and axle I from the axle I of interior union joint I and bulb I junction, and this space I becomes larger and extend to end face I. Cylinder is provided with spacer in the inner barrel of bulb I and bulb II junction, is provided with end cap in cylinder and the cylinder of interior union joint II junction. End cap starts setting up the space II with axle II from the axle II of interior union joint II with bulb II contact position, becomes larger and extend to end face II.

The connection of the bulb I of interior union joint I and the bulb II of interior union joint II is for make the key of interior union joint I and interior union joint II transfer of torque connect. The connection of this key this can be implemented so that and arranges a groove I on the sphere of bulb I, and bulb II arranges a boss, and groove I is that plug-in type key is connected with boss, and wherein the cross section of boss is square, and the side surface of boss and the angle of axis are 2 ��-4 ��. This key connect it is also possible that realize: bulb I and bulb II are connected by drive block, the sphere of bulb I with the sphere of bulb II is respectively arranged with the groove II corresponding with drive block and groove III, there is space between groove II and groove III and drive block.

Relative to prior art, the beneficial effects of the utility model are:

Compared with prior art, this utility model achieves that guider overall structure diminishes, size shortens, so that this sucker rod guide can be used for the Short Radius Horizontal Wells that radius of curvature is less. Groove and the design with gradient boss design and groove and drive block so that the bonding strength of interior union joint increases, and the moment of torsion of transmission becomes big. Cylinder and the opposing end surface employing Rouno Cormer Pregrinding Wheel design of outer union joint, this design reduces the friction to tube inner wall of this sucker rod guide, improve the service life of oil pipe.

Accompanying drawing explanation

Fig. 1 is the cross-sectional view of the present utility model connected with groove boss.

Fig. 2 is the cross-sectional view of the present utility model connected with drive block.

Wherein, 1, interior union joint I, 2, interior union joint II, 3, cylinder, 4, outer union joint I, 5, outer union joint II, 6, axle I, 7, bulb I, 8, axle II, 9, bulb II, 10, spacer, 11, end cap, 12, groove I, 13, boss, 14, end face I, 15, end face II, 16, end face III, 17, end face IV, 18, space I, 19, space II, 20, drive block, 21, groove II, 22, groove III.

Detailed description of the invention

Illustrate that the utility model is described in further detail below in conjunction with embodiment and accompanying drawing.

As depicted in figs. 1 and 2, a kind of sucker rod guide, interior union joint I 1 and interior union joint II 2 connect and are socketed in cylinder 3, and the other end of interior union joint I 1 is connected with outer union joint I 4 outside cylinder 3, and the other end of interior union joint II 2 is connected with outer union joint II 5 outside cylinder 3. Wherein, interior union joint I 1 is made up of axle I 6 and bulb I 7, and axle I 6 and bulb I 7 are integrated formed structures, and interior union joint II 2 is made up of axle II 8 and bulb II 9, and axle II 8 and bulb II 9 are integrated formed structures. The end face I 14 of cylinder, the end face II 15 of cylinder, the end face III 16 of outer union joint I 4 and the end face IV 17 of outer union joint II 5 are arc chord angle designs.

The internal space I 18 starting setting up cylinder 3 and axle I 6 from the axle I 6 of interior union joint I 1 and bulb I 7 junction of cylinder 3, this space I 18 becomes larger and extends to end face I 14. Cylinder 3 is internally provided with spacer 10 at the cylinder 3 of bulb I 7 and bulb II 9 junction, is provided with end cap 11 in cylinder 3 and the cylinder 3 of interior union joint II 2 junction. End cap 11 starts setting up the space II 19 with axle II 9 from the axle II 8 of interior union joint II 2 with bulb II 9 contact position, becomes larger and extend to end face II 15.

The connection of the bulb I 7 of interior union joint I 1 and the bulb II 9 of interior union joint II 2 is for make the key of interior union joint I 1 and interior union joint II 2 transfer of torque connect. The connection of this key this can be implemented so that and arranges a groove I 12 on the sphere of bulb I 7, bulb II 9 arranges a boss 13, groove I 12 is connected with boss 13 plug-in type key, and wherein the cross section of boss 13 is square, and the side surface of boss 13 and the angle of axis are 2 ��-4 ��. This key connects it is also possible that realize: bulb I 7 and bulb II 9 are connected by drive block 20, the sphere of bulb I 7 and the sphere of bulb II 9 are respectively arranged with the groove II 21 corresponding with drive block 20 and groove III 22, between groove II 21 and groove III 22 and drive block 20, there is space.

In the fabrication process, cylinder 3 is sequentially loaded into bulb I 7, spacer 10, bulb II 9 and end cap 11, completes the assembling of this sucker rod guide after connecting outer union joint I 4 and outer union joint II 5.

In use, interior union joint I 1 and interior union joint II 2 can rely on the spherical design of bulb I 7 and bulb II 9 along the rotation of 360 �� of axis in cylinder 3, and are connected, by the key between engagement or groove II 21 and groove III 22 with the drive block 20 between groove I 12 with boss 13, the transmission realizing moment of torsion. The space realization swing that interior union joint I 1 and interior union joint II 2 rely on space I 18, exist between space II 19 and inclined design or groove II 21 and groove III 22 and the drive block 20 of boss. This swing can realize the bending of the sucker rod of outer union joint I 4 and outer union joint II 5 connection, if the radius of curvature of sucker rod needs to reach 90 ��, this sucker rod guide multiple of can connecting realizes.

Embodiment described above, the simply one of this utility model more preferably detailed description of the invention, the usual variations and alternatives that those skilled in the art carries out within the scope of technical solutions of the utility model are intended to be included in protection domain of the present utility model.

Claims

1. a sucker rod guide, interior union joint I (1) and interior union joint II (2) connect and are socketed in cylinder (3), the other end of interior union joint I (1) is connected with outer union joint I (4) outward at cylinder (3), the other end of interior union joint II (2) is connected with outer union joint II (5) outward at cylinder (3), it is characterized in that: interior union joint I (1) is made up of axle I (6) and bulb I (7), interior union joint II (2) is made up of axle II (8) and bulb II (9), cylinder (3) is internally provided with spacer (10) at the cylinder (3) of bulb I (7) and bulb II (9) junction, it is provided with end cap (11) in cylinder (3) and the cylinder (3) of interior union joint II (2) junction, the connection of the bulb I (7) of interior union joint I (1) and the bulb II (9) of interior union joint II (2) is that the key making interior union joint I (1) and interior union joint II (2) transfer of torque connects.

2. a kind of sucker rod guide according to claim 1, it is characterised in that: arranging a groove I (12) on the sphere of described bulb I (7), bulb II (9) arranges a boss (13), and groove I (12) is connected with boss (13) key.

3. a kind of sucker rod guide according to claim 2, it is characterised in that: the cross section of described boss (13) is square, and the side surface of boss (13) and the angle of axis are 2 ��-4 ��.

4. a kind of sucker rod guide according to claim 1, it is characterised in that: described bulb I (7) and bulb II (9) are connected by drive block (20).

5. a kind of sucker rod guide according to claim 4, it is characterized in that: the sphere of described bulb I (7) and be respectively arranged with the groove II (21) corresponding with drive block (20) and groove III (22) on the sphere of bulb II (9), between groove II (21) and groove III (22) and drive block (20), there is space.

6. a kind of sucker rod guide according to claim 1, it is characterised in that: the end face I (14) of described cylinder, the end face II (15) of cylinder, the end face III (16) of outer union joint I (4) and the end face IV (17) of outer union joint II (5) they are arc chord angle designs.

7. a kind of sucker rod guide according to claim 1, it is characterized in that: the internal space I (18) starting setting up cylinder (3) and axle I (6) from the axle I (6) of interior union joint I (1) and bulb I (7) junction of described cylinder (3), this space I (18) becomes larger and extend to end face I (14).

8. a kind of sucker rod guide according to claim 1, it is characterized in that: described end cap (11) starts setting up the space II (19) with axle II (9) from the axle II (8) of interior union joint II (2) with bulb II (9) contact position, becomes larger and extend to end face II (15).

9. a kind of sucker rod guide according to claim 1, it is characterized in that: the structure of described interior union joint I (1) is axle I (6) and bulb I (7) integrated formed structure, the structure of interior union joint II (2) is axle II (8) and bulb II (9) integrated formed structure.