CN221374197U - Improved generation shaft coupling pin and supporting extracting tool - Google Patents

Abstract

The application relates to an improved coupler pin and a matched dismounting tool, which comprises: the round cap of the limiting end of the pin is symmetrically provided with two round holes; the wrench comprises a main body and a handle, wherein two operation column heads are symmetrically and fixedly connected to the end surface of the main body; the operation column head can be movably inserted into the round hole. According to the equipment provided by the embodiment of the application, the problem of disassembling and installing the pins in a narrow space is effectively solved by innovatively improving the fixing mode of the coupling pins, the pins cannot slip off when being disassembled by changing the fixing mode, the fixing is firm, the disassembling work can be easily completed in the narrow space by manufacturing the matched wrench, the disassembling and replacing work of the coupling pins becomes light, loose and quick, the potential safety hazard in operation is eliminated, the working efficiency is improved, and the safety production is ensured.

Description

Improved generation shaft coupling pin and supporting extracting tool

Technical Field

The application relates to the technical field of oilfield development, in particular to an improved coupler pin and a matched dismounting tool.

Background

The connection of the centrifugal pump and the motor is completed by a multi-purpose pin type coupling in the oil field development. The motor shaft and the pump shaft are linked through the pin connection coupling, the pin is provided with the damping rubber ring, vibration generated by axial and radial movement during shaft transmission is eliminated through rubber ring damping, the pump of the protector rotates normally, and noise generated during operation is reduced. The pin is conical, the small end is a screw end and is used for installing a nut to be connected and fixed with one end of the coupler, and the large end is an end face with a straight groove and a slightly larger diameter than the main body and is used for fixing the damping rubber ring. When the equipment operates, the coupling pin is a wearing part, and the damping rubber ring or the pin needs to be frequently detached and replaced due to the problems of centering and long-term operation of the equipment and the like. And (3) removing the screw end nut during on-site disassembly, and pushing out the pin for replacement. However, due to the fact that the in-line grooves at the end of the pin are difficult to clamp and fix due to the fact that the in-line grooves are not suitable for tools, the pin is inconvenient to detach and withdraw from the pin, in the field operation, the pin is usually required to be held by tools such as a crow bar so as to detach nuts, then the pin is snapped by a pipe wrench to rotate and withdraw from the pin, the fixing bolt of a motor base is also usually removed, the pin can be withdrawn by a movable motor, the pin is easy to damage during operation, moreover, the crow bar pipe wrench is often slipped off, operators are injured by the damage, time and labor are wasted during operation, and potential safety hazards exist. Therefore, we propose an improved coupling pin and a matched dismounting tool.

Disclosure of utility model

The application provides an improved coupler pin and a matched dismounting tool, which are used for solving the problems that in the prior art, in field operation, a pin is usually required to be held by tools such as a crow bar and the like so as to detach a nut, then the pin is clamped by pipe tongs to rotate and withdraw the pin, and a motor base fixing bolt is also usually required to be detached, so that the pin can be withdrawn by moving a motor. The pin is easy to damage during operation, and the pinch pliers of the crow bar can often slip off to hurt operators, so that the operation is time-consuming and labor-consuming, and the problem of potential safety hazard exists.

In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides an improved coupling pin and a mating removal tool, including:

the round cap of the limiting end of the pin is symmetrically provided with two round holes;

The wrench comprises a main body and a handle, wherein two operation column heads are symmetrically and fixedly connected to the end surface of the main body;

The operation column head can be movably inserted into the round hole.

Optionally, the center distance between the two operation column heads is 13mm, and the operation column heads are fixedly connected from front to back by a coarse column head and a fine column head.

Optionally, the coarse post head height is 5mm and the coarse post head diameter is 6mm, the fine post head height is 5mm and the fine post head diameter is 4mm.

Optionally, a handle is fixedly connected to the outer end of the wrench.

Optionally, a straight groove is formed in the middle of the round cap.

Optionally, the pin is fixed connection with the hood end and is the pin main part, the other end connection changeover portion of pin main part, the other end fixed connection screw thread section of changeover portion.

Optionally, the transition section is in a shape of a truncated cone.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

According to the equipment provided by the embodiment of the application, the problem of disassembling and installing the pins in a narrow space is effectively solved by innovatively improving the fixing mode of the coupling pins, the pins cannot slip off when being disassembled by changing the fixing mode, the fixing is firm, the disassembling work can be easily completed in the narrow space by manufacturing the matched wrench, the disassembling and replacing work of the coupling pins becomes light, loose and quick, the potential safety hazard in operation is eliminated, the working efficiency is improved, and the safety production is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is an overall block diagram of an improved coupling pin;

Fig. 2 is a block diagram of a mating removal tool for an improved coupler pin.

In the figure: 1. a pin; 11. a pin body; 12. a transition section; 13. a threaded section; 14. a round cap; 15. a straight slot; 16. a round hole; 2. a wrench; 21. a main body; 22. a handle; 23. operating the column cap.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Various embodiments of the application may exist in a range format, with the understanding that the description in a range format is merely for convenience and brevity and should not be construed as a rigid limitation on the scope of the application; it is therefore to be understood that the range description has specifically disclosed all possible sub-ranges and individual values within that range. For example, it should be considered that a description of a range from 1 to 6 has specifically disclosed sub-ranges, such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., as well as single numbers within the range, such as 1, 2, 3, 4, 5, and 6, wherever applicable. In addition, whenever a numerical range is indicated in the present application, it is intended to include any reference number (fractional or integer) within the indicated range. Unless otherwise specifically indicated, the various raw materials, reagents, instruments, equipment and the like used in the present application are commercially available or may be prepared by existing methods.

In the present application, unless otherwise specified, terms such as "upper" and "lower" are used specifically to refer to the orientation of the drawing in the figures. In addition, in the present application, the terms "include", "comprising", etc. mean "including but not limited to". In the present application, relational terms such as "first" and "second", and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the present application, "and/or" describing the association relationship of the association object means that there may be three relationships, for example, a and/or B may mean: a alone, a and B together, and B alone. Wherein A, B may be singular or plural. In the present application, "at least one" means one or more, and "a plurality" means two or more. "at least one", "at least one" or the like refer to any combination of these items, including any combination of a single item or a plurality of items. For example, "at least one of a, b, or c," or "at least one of a, b, and c," may each represent: a, b, c, a-b, i.e. a and b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple, respectively.

As shown in fig. 1-2, an embodiment of the present application provides an improved coupling pin and a mating removal tool, including:

the pin 1, the round cap 14 of the limiting end of the pin 1 is symmetrically provided with two round holes 16;

the wrench 2 comprises a main body 21 and a handle 22, and two operation column heads 23 are symmetrically and fixedly connected to the end surface of the main body 21;

The operation column head 23 can be movably inserted into the round hole 16.

As shown in fig. 1 and 2: the center distance between the two operation column heads 23 is 13mm, the operation column heads 23 are fixedly connected front and back by a thick column head and a thin column head, the height of the thick column head is 5mm, the diameter of the thick column head is 6mm, the height of the thin column head is 5mm, and the diameter of the thin column head is 4mm.

Specifically: the operation column head 23 and the round hole 16 can be matched and spliced.

As shown in fig. 2: the outer end of the wrench 2 is fixedly connected with a handle 22.

Specifically: the handle 22 can facilitate manipulation of the wrench 2.

As shown in fig. 1: the middle part of the round cap 14 is provided with a straight slot 15.

Specifically: the slot 15 can be screwed by an external tool to the stud 1.

As shown in fig. 1: the pin 1 is fixedly connected with the round cap 14 end to form a pin main body 11, the other end of the pin main body 11 is connected with a transition section 12, and the other end of the transition section 12 is fixedly connected with a threaded section 13.

Specifically: the outside of the thread section 13 can be sleeved with a nut, so that the pin 1 can be locked after the pin 1 is inserted.

As shown in fig. 1: the transition section 12 is in a shape of a truncated cone.

Specifically: the transition section 12 can facilitate the insertion of the stud 1.

When the device is used, when the coupling pin is disassembled, the operation column head 23 of the matched wrench 2 is used for clamping the round hole 16 of the improved pin 1, the pin 1 is backed up and fixed, and the nut on the outer side of the threaded section 13 of the pin 1 is convenient to disassemble; the pin 1 can be withdrawn from the pin hole of the coupler by rotating the wrench 2 after removing the nut on the threaded section 13, so that the pin 1 is prevented from being blocked and difficult to be disassembled due to the misalignment of the coupler in the use process of the whole equipment, and the pin 1 is prevented from being damaged by using tools such as a crow bar and the like, and personal injury is caused by slipping; the movable motor withdraws from the pin 1, which is time-consuming and labor-consuming, so that the operation is time-saving and labor-saving, convenient, quick, safe and reliable.

The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. An improved coupler pin, comprising:

The pin (1), the round cap (14) of the limit end of the pin (1) is symmetrically provided with two round holes (16); a straight slot (15) is formed in the middle of the round cap (14).

2. An improved coupling stud as claimed in claim 1, wherein: the pin (1) is fixedly connected with the end of the round cap (14) to form a pin main body (11), the other end of the pin main body (11) is connected with a transition section (12), and the other end of the transition section (12) is fixedly connected with a threaded section (13).

3. An improved coupling stud as claimed in claim 2, wherein: the transition section (12) is in a shape of a round table.

4. A mating removal tool for an improved coupling pin, applied to an improved coupling pin as claimed in any one of claims 1 to 3, characterized in that: comprising the following steps: the wrench (2) is composed of a main body (21) and a handle (22), and two operation column heads (23) are symmetrically and fixedly connected to the end face of the main body (21);

the operation column head (23) can be movably inserted into the round hole (16).

5. The kit of claim 4, wherein: the center distance between the two operation column heads (23) is 13mm, and the operation column heads (23) are fixedly connected from front to back by a coarse column head and a fine column head.

6. The kit of claim 5, wherein: the thick column head is 5mm in height, the thick column head is 6mm in diameter, the thin column head is 5mm in height, and the thin column head is 4mm in diameter.

7. The kit of claim 4, wherein: the outer end part of the wrench (2) is fixedly connected with a handle (22).