CN218235068U - Self-rotating multifunctional rope hanger - Google Patents

Abstract

The utility model discloses a from rotating multi-functional polished rod eye relates to oil development technical field. Including the box, insert in the box and be equipped with mandrel and back shaft, first card hole has been seted up to the mandrel, and second card hole has been seted up to the back shaft, mandrel and back shaft axis coincidence, first card hole and the coincidence of second card hole axis, and the mandrel is located the back shaft top, is equipped with the steel ball between back shaft and the box, is equipped with the elastic component between back shaft and the box. The utility model discloses can change sucker rod and oil pipe's contact state to reach the purpose that improves the sucker rod state of wearing partially.

Description

Self-rotating multifunctional rope hanger

Technical Field

The utility model relates to an oil development technical field, in particular to from rotating multi-functional polished rod eye.

Background

The rope hanger is a connecting device of a horse head and a polished rod, and consists of a single-layer composite hanging plate, a steel wire rope fastening piece and an anti-jumping baffle plate, wherein two ends of the composite hanging plate are symmetrically provided with steel wire rope fixing holes which are communicated from top to bottom, and the steel wire ropes penetrate through the steel wire rope fixing holes.

The utility model patent that publication number is CN204386509U discloses a polished rod eye, including horse head rope, an upper fixed plate, knock pin, bottom plate, bolt, wire rope cover, sucker rod, upper polish rod slips and lower polish rod slips, this scheme can prevent that the sucker rod from falling into the well.

However, when the sucker rod reciprocates up and down in the above scheme, because one point or one surface of the sucker rod is in contact with the oil pipe, the sucker rod is abraded or eccentric wear of the sucker rod is caused for a long time, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: provides a self-rotating multifunctional rope hanger capable of improving the eccentric wear state of an oil pumping pipe.

To the above technical problem, the utility model discloses a technical scheme does: the self-rotating multifunctional rope hanger comprises a box body, wherein a mandrel and a supporting shaft are inserted into the box body, the mandrel is provided with a first clamping hole, the supporting shaft is provided with a second clamping hole, the mandrel is overlapped with the axis of the supporting shaft, the axis of the first clamping hole is overlapped with the axis of the second clamping hole, the mandrel is located above the supporting shaft, a steel ball is arranged between the supporting shaft and the box body, and an elastic piece is arranged between the supporting shaft and the box body.

Furthermore, a gland is arranged on the top of the box body in a laminating mode, the mandrel is sleeved with the gland, and the gland is detachably connected with the box body through an inner hexagonal socket head cap screw.

Furthermore, a thrust ball bearing is arranged between the supporting shaft and the mandrel, a thrust ball bearing collar is fixedly connected with the supporting shaft, and a thrust ball bearing race is fixedly connected with the mandrel.

Furthermore, an annular sliding groove is formed in the inner side wall of the box body, the steel balls move in the annular sliding groove, guide rails are formed on the periphery sides of the mandrel, the guide rails are wavy, and the steel balls move in the guide rails.

Furthermore, the elastic part is a spring, the spring is sleeved on the supporting shaft, one end of the spring is fixedly connected with the box body, and the other end of the spring is rotatably connected with the supporting shaft.

Compared with the prior art, the utility model beneficial effect be: (1) The utility model discloses a set up the steel ball between box and back shaft for along with the motion of steel ball, the back shaft can rotate, and then realizes the autogiration of sucker rod, thereby has changed sucker rod and oil pipe's contact state, has reached the purpose that improves the sucker rod eccentric wear situation.

(2) The utility model discloses because the combination of thrust ball bearing and spring for the polished rod has certain cushioning effect to load at the up-and-down motion in-process, has improved the stability of integrated device.

(3) The utility model discloses the angle of well guided way can be adjusted according to the on-the-spot requirement to the rotational speed to the polished rod eye is adjusted, and is nimble convenient, and the single unit system simple structure, and is small, has the installation of being convenient for and dismantles and the advantage of conveniently carrying.

Drawings

Fig. 1 is a sectional view of the front view angle of the self-rotating multifunctional rope hanger of the present invention.

Fig. 2 is a view from a in fig. 1.

Fig. 3 is a top view of fig. 1.

Reference numerals: 1. a box body; 2. a mandrel; 3. a support shaft; 4. a first card hole; 5. a second card hole; 6. a steel ball; 7. a gland; 8. a socket head cap screw; 9. a thrust ball bearing; 10. a guide rail; 11. a spring.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): as shown in fig. 1-3, the self-rotating multifunctional rope suspension device provided by the embodiment is formed by connecting a box body 1, a gland 7, a support shaft 3, a mandrel 2, a thrust ball bearing 9, a steel ball 6, a spring 11 and an inner hexagonal socket head cap screw 8.

As shown in fig. 1, a self-rotating multifunctional rope hanger comprises a box body 1, a cavity is formed in the box body 1, a mandrel 2 and a support shaft 3 are inserted in the cavity, the mandrel 2 and the support shaft 3 are made of 45 steel, a first clamping hole 4 is formed in the mandrel 2, a polished rod is inserted in the first clamping hole 4 and is not shown in the drawing, the axis of the polished rod coincides with the axis of the mandrel 2, a second clamping hole 5 is formed in the support shaft 3, a sucker rod is inserted in the second clamping hole 5 and coincides with the axis of the support shaft 3, the sucker rod is not shown in the drawing, the mandrel 2 coincides with the axis of the support shaft 3, the first clamping hole 4 coincides with the axis of the second clamping hole 5, the mandrel 2 is located above the support shaft 3, a steel ball 6 is arranged between the support shaft 3 and the box body 1, specifically, the steel ball 6 is made of stainless steel, and an elastic piece is arranged between the support shaft 3 and the box body 1.

As shown in fig. 1 and 3, a gland 7 is attached to the top of the box body 1, the gland 7 is made of 45 steel, the mandrel 2 is sleeved with the gland 7, and the gland 7 is detachably connected with the box body 1 through a hexagon socket head cap screw 8.

As shown in fig. 1, a thrust ball bearing 9 is arranged between the supporting shaft 3 and the mandrel 2, the type of the thrust ball bearing 9 is 51209, a shaft ring of the thrust ball bearing 9 is fixedly connected with the supporting shaft 3, a retainer of the thrust ball bearing 9 is fixedly connected with the mandrel 2, and the thrust ball bearing 9 is arranged to ensure that the supporting shaft 3 can do linear motion along with the mandrel 2 in the vertical direction and ensure that the supporting shaft 3 can rotate under the action of the steel ball 6.

As shown in fig. 1 and 2, an annular sliding groove is formed in the inner side wall of the box body 1, the annular sliding groove is not marked in the drawing, the steel ball 6 moves in the annular sliding groove, a guide rail 10 is formed on the peripheral side of the mandrel 2, the guide rail 10 is wave-shaped, and the steel ball 6 moves in the guide rail 10.

As shown in FIG. 1, the elastic member is a spring 11, the spring 11 is made of 60Si2Mn, the spring 11 plays a role in supporting and resetting and has a certain buffering effect, the supporting shaft 3 is sleeved with the spring 11, one end of the spring 11 is fixedly connected with the box body 1, and the other end of the spring 11 is rotatably connected with the supporting shaft 3.

The utility model discloses a theory of operation does: (1) Load reaches the biggest when the beam-pumping unit upstroke, spindle 2 promotes back shaft 3 motion under thrust ball bearing 9's effect, spindle 2 this moment, thrust ball bearing 9 and back shaft 3 move down wholly, spring 11 is compressed, steel ball 6 slides in annular spout, steel ball 6 slides in guided way 10 simultaneously, according to the direction shown in figure 2, steel ball 6 moves to b point (because the angle of guided way 10 on the back shaft 3, ensure that steel ball 6 can move to b point from a point) in guided way 10, steel ball 6 is from a point to the in-process of b point, can make back shaft 3 rotate an angle according to the figure direction clockwise, thereby drive the sucker rod of being connected with it and rotate, change the contact state of sucker rod and oil pipe, reached the purpose of improving the eccentric wear condition of sucker rod.

(2) When the pumping unit downstroke, the load is reduced, the spring 11 is restored, the support shaft 3, the thrust ball bearing 9 and the mandrel 2 are integrally moved upwards, the synchronous step (1) is the same, at the moment, the steel ball 6 moves to the point c from the point b in the guide rail 10, the support shaft 3 is rotated clockwise for an angle again, so that the pumping rod connected with the support shaft is driven to rotate, the contact state of the pumping rod and an oil pipe is changed, and the purpose of improving the eccentric wear condition of the pumping rod is achieved. When the pumping rod moves upwards again, the synchronous steps (1) are the same, and the pumping rod is automatically rotated in a reciprocating mode.

The present invention is not limited to the above embodiments, and the skilled in the art can make various changes without creative labor, and all the changes fall within the protection scope of the present invention.

Claims (5)

1. A from rotating multi-functional polished rod eye which characterized in that: the novel bearing box is characterized by comprising a box body (1), a mandrel (2) and a supporting shaft (3) are inserted into the box body (1), a first clamping hole (4) is formed in the mandrel (2), a second clamping hole (5) is formed in the supporting shaft (3), the mandrel (2) is overlapped with the axis of the supporting shaft (3), the first clamping hole (4) is overlapped with the axis of the second clamping hole (5), the mandrel (2) is located above the supporting shaft (3), a steel ball (6) is arranged between the supporting shaft (3) and the box body (1), and an elastic piece is arranged between the supporting shaft (3) and the box body (1).

2. The self-rotating multifunctional rope hanger according to claim 1, characterized in that: the top of the box body (1) is provided with a gland (7) in a laminating manner, the mandrel (2) is sleeved with the gland (7), and the gland (7) is detachably connected with the box body (1) through an inner hexagonal socket head cap screw (8).

3. A spin-on multi-function polished rod eye according to claim 1, wherein: the supporting shaft (3) is arranged between the supporting shaft and the mandrel (2), the thrust ball bearing (9) is arranged between a shaft ring and the supporting shaft (3) and is fixedly connected with the shaft ring, and the thrust ball bearing (9) is fixedly connected with the mandrel (2) through a ring.

4. A spin-on multi-function polished rod eye according to claim 1, wherein: annular chutes are formed in the inner side wall of the box body (1), the steel balls (6) move in the annular chutes, guide rails (10) are formed in the peripheral sides of the mandrel (2), the guide rails (10) are wavy, and the steel balls (6) move in the guide rails (10).

5. A spin-on multi-function polished rod eye according to claim 1, wherein: the elastic piece is a spring (11), the supporting shaft (3) is sleeved with the spring (11), one end of the spring (11) is fixedly connected with the box body (1), and the other end of the spring (11) is rotatably connected with the supporting shaft (3).

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