CN211413240U

CN211413240U - Polish rod corrector

Info

Publication number: CN211413240U
Application number: CN201921871475.2U
Authority: CN
Inventors: 唐努尔卡依·马尔丹
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-09-04
Anticipated expiration: 2029-11-01

Abstract

The utility model provides a polished rod corrector, include: an installation part; the pressing part is connected with the mounting part, movably arranged along a first preset direction relative to the mounting part and used for pressing the bending section of the polished rod; the stopping component is arranged on the mounting part and comprises two stopping parts which are oppositely arranged on two sides of the pressing part; the stopping part comprises a connecting rod and a hook, one end of the connecting rod is connected with the mounting part, the other end of the connecting rod is provided with the hook, the hook is arranged towards the mounting part, and the hook is used for hooking the polished rod to move towards the bending section of the polished rod in the pressing part and press the bending section to be arranged on the hook, so that the polished rod is abutted to the hook, and the bending section is corrected under the action force in the opposite direction of the stopping component and the pressing part. The utility model discloses a polished rod corrector has solved the problem that the efficiency of correction of the rod of rod-pumped well among the prior art is lower and pumping unit stops to take out the long influence production of time.

Description

Polish rod corrector

Technical Field

The utility model relates to an oil development technical field particularly, relates to a polished rod corrector.

Background

At present, the bending of a polish rod of an oil pumping well in an oil field can only be repaired by replacing the polish rod, and the repairing process usually comprises pumping stop, reporting, repairing and acceptance inspection.

However, the repair measures for rod bending of rod pumping wells require less time, more days, and more weeks, which not only results in long operation time, affecting production schedule, but also increases maintenance cost.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a polished rod corrector to solve the problems of the prior art that the polished rod of the pumping well has low correction efficiency and the pumping unit has long pumping stop time to affect the production.

In order to achieve the above object, the utility model provides a polished rod corrector, include: an installation part; the pressing part is connected with the mounting part, movably arranged along a first preset direction relative to the mounting part and used for pressing the bending section of the polished rod; the stopping component is arranged on the mounting part and comprises two stopping parts which are oppositely arranged on two sides of the pressing part; the stopping part comprises a connecting rod and a hook, one end of the connecting rod is connected with the mounting part, the other end of the connecting rod is provided with the hook, the hook is arranged towards the mounting part, and the hook is used for hooking the polished rod to move towards the bending section of the polished rod in the pressing part and press the bending section to be arranged on the hook, so that the polished rod is abutted to the hook, and the bending section is corrected under the action force in the opposite direction of the stopping component and the pressing part.

Further, the connecting rod extends along a first preset direction.

Further, be provided with the external screw thread on the connecting rod, be provided with first fastening hole on the installation department, be provided with in the first fastening hole with the first internal thread of external screw thread looks adaptation to make the connecting rod screw on the installation department, the polished rod corrector still includes: the fastener, the second fastening hole of fastener is provided with the second internal thread with external screw thread looks adaptation in, and the fastener is screwed on backstop portion and is established on the installation department to make backstop portion fix on the installation department through the fastener.

Furthermore, the pressing portion is of a rod-shaped structure and extends along the first preset direction.

Furthermore, the pressing part is provided with a groove at one end for pressing the polished rod, and the groove bottom of the groove is matched with the outer wall of the polished rod, so that the groove bottom is attached to the outer wall of the polished rod.

Further, the groove bottom of the groove is provided with a flexible layer, so that the pressing portion is in contact with the polished rod through the flexible layer.

Further, the pressing portion and the stopper portion are both made of steel.

Further, the polished rod corrector further comprises: and the driving device is arranged on the mounting part and is in driving connection with the pressing part so as to drive the pressing part to move along a first preset direction.

Further, the driving device is a jack.

Further, the installation department has relative first terminal surface and the second terminal surface that sets up along the direction of perpendicular to first predetermined direction, and the polished rod corrector still includes: the handle, the handle is two, and one handle sets up on the first terminal surface, and another handle sets up on the second terminal surface.

The polished rod corrector of the utility model comprises an installation part, a pressing part and a stop component, wherein the pressing part is movably arranged along a first preset direction relative to the installation part, and the pressing part is used for pressing on a bending section of a polished rod; the backstop subassembly includes two backstop portions, and two backstop portions set up the both sides of pressing the portion relatively. When the polished rod corrector is used for correcting a bent polished rod, firstly, the polished rod corrector is connected with the polished rod through the hook of the stopping part, and the concave part of the hook is abutted against the circumferential surface of the polished rod; and then the pressing part moves towards the bending section of the polished rod along the first preset direction so that the pressing part is pressed on the circumferential surface of the bending section of the polished rod, and at the moment, the polished rod is corrected under the pressure action of the pressing part and the resistance action of the concave part of the hook in the direction opposite to the pressure action of the pressing part. The polished rod corrector has the advantages of simple structure, simplicity and convenience in operation and high utilization rate, improves the polished rod correcting efficiency, and further saves the operation time and the operation cost for recovering the pumping well.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a polished rod corrector according to the present invention; and

fig. 2 shows an enlarged view of an embodiment of the polished rod corrector in fig. 1.

Wherein the figures include the following reference numerals:

10. an installation part; 20. a stop assembly; 21. a stopper portion; 211. a connecting rod; 212. hooking; 30. a polish rod; 40. a pressing part; 50. a fastener; 60. a drive device.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model provides a polished rod corrector please refer to fig. 1 and fig. 2, include: a mounting portion 10; the pressing part 40 is connected with the mounting part 10, the pressing part 40 is movably arranged along a first preset direction relative to the mounting part 10, and the pressing part 40 is used for pressing the bending section of the polished rod 30; the stopping assembly 20 is arranged on the mounting part 10, the stopping assembly 20 comprises two stopping parts 21, and the two stopping parts 21 are oppositely arranged on two sides of the pressing part 40; the stopper portion 21 includes a connection rod 211 and a hook 212, one end of the connection rod 211 is connected to the mounting portion 10, the other end of the connection rod 211 is provided with the hook 212, the hook 212 is disposed toward the mounting portion 10, and the hook 212 is configured to be hooked on the polish rod 30, so that the polish rod 30 abuts against the hook 212 when the pressing portion 40 moves toward and presses the bending section of the polish rod 30, so that the bending section is corrected under the opposite acting force of the stopper assembly 20 and the pressing portion 40.

The polished rod corrector of the utility model comprises an installation part 10, a pressing part 40 and a stop component 20, wherein the pressing part 40 is movably arranged along a first preset direction relative to the installation part 10, and the pressing part 40 is used for pressing on the bending section of the polished rod 30; the stopping assembly 20 includes two stopping portions 21, and the two stopping portions 21 are oppositely disposed on two sides of the pressing portion 40. When the polished rod corrector is used for correcting the bent polished rod 30, firstly, the polished rod corrector is connected with the polished rod 30 through the hook 212 of the stopping part 21, and the concave part of the hook 212 is abutted against the circumferential surface of the polished rod 30; then, the pressing portion 40 is moved toward the curved section of the polished rod 30 in the first preset direction so that the pressing portion 40 is pressed on the circumferential surface of the curved section of the polished rod 30, and at this time, the polished rod 30 is corrected by the pressing force of the pressing portion 40 and the resistance force of the concave portion of the hook 212 in the direction opposite to the pressing force of the pressing portion 40. The polished rod corrector has the advantages of simple structure, simplicity and convenience in operation and high utilization rate, improves the polished rod correcting efficiency, and further saves the operation time and the operation cost for recovering the pumping well.

In practice, the hook 212 is bent toward the mounting portion 10 to form a concave portion, and in operation, when the pressing portion is pressed on the bent portion, the circumferential surface of the polish rod 30 abuts against the concave portion, and the concave portion provides the polish rod 30 with a resistance force opposite to the pressing direction of the pressing portion.

In specific implementation, the mounting portion 10 is a plate-shaped structure, and the connecting rod 211 extends along a first predetermined direction and is perpendicular to the mounting portion 10.

In order to realize the disassembly, assembly and fixation of the stopping portion 21 and the mounting portion 10, an external thread is arranged on the connecting rod 211, a first fastening hole is arranged on the mounting portion 10, a first internal thread matched with the external thread is arranged in the first fastening hole, so that the connecting rod 211 is screwed on the mounting portion 10, the polished rod corrector further comprises a fastening piece 50, a second internal thread matched with the external thread is arranged in a second fastening hole of the fastening piece 50, the fastening piece 50 is screwed on the stopping portion 21 and abuts against the mounting portion 10, and the stopping portion 21 is fixed on the mounting portion 10 through the fastening piece 50.

In specific implementation, the pressing portion 40 is a rod-shaped structure, and the pressing portion 40 extends along the first predetermined direction and is perpendicular to the mounting portion 10. The installation part 10 is provided with a third end face and a fourth end face which are oppositely arranged along a first preset direction, the driving device 60 is arranged on the fourth end face, the driving connection part of the driving device 60 penetrates through the installation part 10, so that the driving connection part is positioned on one side, far away from the fourth end face, of the third end face, and the pressing part 40 is arranged on the driving connection part, namely the pressing part 40 is positioned on one side, far away from the fourth end face, of the third end face. Wherein the fastening member 50 is located on a side of the fourth end surface away from the third end surface.

In order to ensure the reliability of the pressing part 40 on the polish rod 30 without relative sliding, a groove is arranged at one end of the pressing part 40 for pressing the polish rod 30, and the bottom of the groove is matched with the outer wall of the polish rod 30 so as to be attached to the outer wall of the polish rod 30.

In specific implementation, a flexible layer is disposed at the bottom of the groove, so that the pressing portion 40 contacts the polish rod 30 through the flexible layer. This arrangement prevents the pressing portion 40 from causing abrasion to the light rod 30 and itself when the light rod 30 is pressed. Wherein, the flexible layer is the sheet structure that matches with the recess and suits, and the terminal surface that the flexible layer is connected with the recess is laminated with the tank bottom of recess mutually, and the terminal surface that the flexible layer contacted with polished rod 30 is laminated with the outer wall of polished rod 30 mutually.

Preferably, the flexible layer is a super glue.

In the present embodiment, the pressing portion 40 and the stopper portion 21 are both made of steel. The arrangement ensures the strength of the pressing part 40 and the stopping part 21 and prolongs the service life of the polished rod corrector.

In order to realize the movement of the pressing portion 40, the polished rod corrector further includes a driving device 60, the driving device 60 is disposed on the mounting portion 10, and the driving device 60 is drivingly connected to the pressing portion 40 to drive the pressing portion 40 to move along the first preset direction.

In a specific embodiment, the driving device 60 is a jack. Preferably, the drive means 60 is a mechanical jack.

In order to facilitate the operation of the polished rod corrector by the worker, the mounting portion 10 has a first end surface and a second end surface which are oppositely arranged in a direction perpendicular to the first preset direction, and the polished rod corrector further includes two handles, one handle is arranged on the first end surface, and the other handle is arranged on the second end surface.

In the present embodiment, the mounting portion 10 is provided with a plurality of lightening holes, and the plurality of lightening holes are arranged at intervals. The weight of the polished rod corrector can be reduced by the arrangement, and the polished rod corrector is convenient for workers to operate.

In this embodiment, the polished rod corrector further includes a guide sleeve disposed on the mounting portion 10, the guide sleeve extending in the first preset direction, and a portion of the pressing portion 40 disposed in and movably disposed along the guide sleeve. Such an arrangement serves as a guide for the press 40.

Practice proves that the development of the polished rod corrector is completed, so that the bent polished rod of the pumping well can be quickly recovered to recover production, the problem that the bent polished rod can be recovered only by replacing the polished rod in a well repairing mode is solved, the well repairing operation time and the operation cost for replacing the polished rod of the well repairing and lifting rod are saved, particularly, the time for recovering production of key wells is saved so as to improve the yield, the material cost is saved, and the requirements on target values of convenience in use, simplicity in operation and high utilization rate are met.

The polished rod corrector has the advantages of simple structure, small volume, light weight, safety, environmental protection and convenient operation.

The bent polished rod corrector for the rod-pumped well is innovatively designed and manufactured, and the defect that the polished rod is replaced by the well or repaired after the well is repaired is overcome.

The oil field reports the bending degree of the polished rod of the pumping well directly according to the requirement, and the bent polished rod is replaced by a well repair operation mode for repairing, so that the polished rod can be repaired and corrected by a polished rod correction tool at any time in a short time (1 to 2 hours) without performing the well repair operation, the polished rod can be corrected by a simple tool to restore and restore production as soon as possible, the production is ensured, the maintenance cost is saved, and the environment is protected.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A polished rod corrector, comprising:

a mounting portion (10);

the pressing part (40) is connected with the mounting part (10), the pressing part (40) is movably arranged along a first preset direction relative to the mounting part (10), and the pressing part (40) is used for pressing and arranging on a bent section of the polished rod (30);

the stopping assembly (20) is arranged on the mounting part (10), the stopping assembly (20) comprises two stopping parts (21), and the two stopping parts (21) are oppositely arranged on two sides of the pressing part (40);

backstop portion (21) include connecting rod (211) and couple (212), the one end of connecting rod (211) with installation department (10) are connected, the other end of connecting rod (211) is provided with couple (212), couple (212) orientation installation department (10) set up, couple (212) are used for hooking up and establish on polished rod (30), with press and establish portion (40) orientation the bending section removal of polished rod (30) is pressed and is established during the bending section, make polished rod (30) are supported and are established on couple (212), so that the bending section is in backstop subassembly (20) with press and establish under the effort of portion (40) opposite direction and rectify.

2. The polished rod corrector according to claim 1, characterized in that the connecting rod (211) extends in the first preset direction.

3. The polished rod corrector according to claim 1, wherein an external thread is provided on the connecting rod (211), a first fastening hole is provided on the mounting portion (10), and a first internal thread adapted to the external thread is provided in the first fastening hole to screw the connecting rod (211) to the mounting portion (10), the polished rod corrector further comprising:

the fastening piece (50), be provided with in the second fastening hole of fastening piece (50) with external screw thread looks adaptation's second internal thread, fastening piece (50) are screwed on backstop portion (21) and are established in the support, so that backstop portion (21) pass through fastening piece (50) are fixed on installation portion (10).

4. The polished rod corrector of claim 1, wherein the pressing portion (40) is a rod-like structure, the pressing portion (40) extending in the first predetermined direction.

5. The polished rod corrector according to claim 1, wherein the pressing portion (40) is provided with a groove at an end for pressing the polished rod (30), and a groove bottom of the groove is fitted to an outer wall of the polished rod (30) so as to be in contact with the outer wall of the polished rod (30).

6. The polished rod corrector of claim 5, characterized in that the groove bottom of the groove is provided with a flexible layer so that the pressed portion (40) is in contact with the polished rod (30) through the flexible layer.

7. The polished rod corrector according to claim 1, characterized in that the press-setting portion (40) and the stopper portion (21) are both made of steel.

8. The polished rod corrector according to any one of claims 1 to 7, further comprising:

drive arrangement (60), drive arrangement (60) set up on installation department (10), drive arrangement (60) with press and establish portion (40) drive connection, in order to drive press and establish portion (40) and follow first predetermined direction removes.

9. The polished rod corrector according to claim 8, characterized in that the drive means (60) is a jack.

10. The polished rod corrector according to any one of claims 1 to 7, wherein the mounting portion (10) has a first end surface and a second end surface which are oppositely disposed in a direction perpendicular to the first preset direction, the polished rod corrector further comprising:

the number of the handles is two, one handle is arranged on the first end face, and the other handle is arranged on the second end face.