CN219012536U

CN219012536U - Protection mechanism of oil pipe power tongs

Info

Publication number: CN219012536U
Application number: CN202320207659.9U
Authority: CN
Inventors: 陆浩; 阮宏康; 王菲菲
Original assignee: Jianhu Hengtai Petroleum Machinery Co ltd
Current assignee: Jianhu Hengtai Petroleum Machinery Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-05-12
Anticipated expiration: 2033-02-14

Abstract

The utility model belongs to the technical field of power tongs equipment, in particular to a protection mechanism of an oil pipe power tongs, which comprises a tongs body; a shell is arranged at the top of the clamping mechanism of the clamp body; the side wall of the shell is provided with a group of Z-shaped grooves; square grooves are formed in groove walls on two sides of the bottom of the Z-shaped groove; the groove wall of the square groove is connected with a sliding block in a sliding way; a square block is fixedly connected to the adjacent side walls of the pair of sliding blocks; one end of the sliding block is fixedly connected to the wall of the square groove through a spring; the groove wall of the Z-shaped groove is provided with a clamping piece; when the shell is placed on the top of the clamping mechanism of the pliers body, the square block slides out of the Z-shaped groove through the elastic action of the spring, and enters into the groove at the top of the clamping mechanism of the pliers body, so that the shell is fixed on the pliers body, dust and sundries are prevented from entering into the clamping mechanism of the pliers body when the power pliers are placed, and the function of protecting the movable part of the power pliers is achieved.

Description

Protection mechanism of oil pipe power tongs

Technical Field

The utility model relates to the technical field of power tongs equipment, in particular to a protection mechanism of an oil pipe power tongs.

Background

The oil well is repaired by workers to remove threads on the oil pipe tool and the drilling tool, when the workers use chain tongs to work, the labor intensity is high, the certain danger exists, the manual work of the workers is replaced by the production of the oil pipe power tongs, the labor intensity of the workers is greatly reduced, the occurrence of injury accidents is avoided, the threads of the oil pipe drill rod can be rapidly disassembled, and the well repairing efficiency is improved.

After the oil pipe power tongs are used, the oil pipe power tongs are usually placed near a well repair to be operated, and a large amount of dust and sundries fly during oil drilling operation and can fall into the clamping mechanism of the oil pipe power tongs, so that when the clamping mechanism of the oil pipe power tongs and the sucker rod rotating mechanism are connected for operation, the abrasion of the clamping mechanism of the oil pipe power tongs and the sucker rod rotating mechanism is accelerated, the matching surface is scratched, and the service life of the oil pipe power tongs is influenced; therefore, a protection mechanism of the oil pipe power tongs is proposed to solve the above problems.

Disclosure of Invention

In order to make up the deficiency of the prior art, a large amount of dust and sundries fly during petroleum drilling operation and can fall into the clamping mechanism of the oil pipe power tongs, so that the clamping mechanism of the oil pipe power tongs and the sucker rod rotating mechanism can be accelerated in abrasion and scratch the matching surface when being connected and operated, and the service life of the oil pipe power tongs is influenced.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a protection mechanism of an oil pipe power tongs, which comprises a tongs body; a shell is arranged at the top of the clamping mechanism of the clamp body; the side wall of the shell is provided with a group of Z-shaped grooves; square grooves are formed in groove walls on two sides of the bottom of the Z-shaped groove; the groove wall of the square groove is connected with a sliding block in a sliding way; a square block is fixedly connected to the adjacent side walls of the pair of sliding blocks; one end of the sliding block is fixedly connected to the wall of the square groove through a spring; the cell wall in Z shape groove is equipped with the screens piece, avoids power tong when placing dust and debris to enter into in the fixture of the pincers body, plays the effect of protecting power tong's activity department.

Preferably, the side walls at two sides of the square block are both trapezoidal surfaces, so that the shell is conveniently fixed and detached on the pliers body.

Preferably, the detent comprises an L-shaped rod; the top groove wall of the Z-shaped groove is connected with an L-shaped rod in a sliding manner; an annular block is arranged on the outer circular wall of the shell; the side wall of the L-shaped rod is fixedly connected to the inner circular wall of the annular block, and the shell is fixed and released on the pliers body.

Preferably, the top of the shell is rotationally connected with a rotating rod through a circular through groove; the outer circular wall of the rotating rod is fixedly connected with a group of cleaning fans, and the cleaning fans play a role in cleaning the clamping mechanism of the pliers body.

Preferably, the top of the shell is fixedly connected with a cylinder; the inner circular wall of the cylinder is fixedly connected with a baffle plate; one end of the rotating rod penetrates through the cylinder and the partition plate; the inner side wall of the cylinder is fixedly connected to the outer circular wall of the rotating rod through a torsion spring; the outer circular wall of the rotating rod is fixedly connected with a wire rope, and one end of the wire rope extends out of the cylinder, so that cleaning operation of a clamping mechanism of the power tongs by a worker is facilitated.

Preferably, the inner circular wall of the shell close to the bottom is provided with a round angle, so that the clamping mechanism of the power tongs is positioned and assisted by the shell, and the shell is conveniently placed on the tongs body.

The utility model has the advantages that:

1. the square block enters into the groove at the top of the clamping mechanism of the pliers body, the fixing action of the shell on the pliers body is completed, dust and sundries are prevented from entering into the clamping mechanism of the pliers body when the power pliers are placed, and the effect of protecting the movable part of the power pliers is achieved.

2. The shell is conveniently fixed and detached on the clamp body, the shell is fixed and released on the clamp body, the cleaning function is achieved in the clamping mechanism of the clamp body, the cleaning operation of the clamping mechanism of the power clamp is conveniently carried out by staff, the positioning auxiliary function is achieved on the clamping mechanism of the power clamp when the shell is placed into the clamping mechanism of the power clamp, and the shell is conveniently placed on the clamp body.

Drawings

In order to more clearly illustrate the embodiments of the utility model 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, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of the utility model;

FIG. 2 is a partial cross-sectional view of the utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a partial cross-sectional view of the housing;

FIG. 6 is an enlarged view of FIG. 5 at C;

fig. 7 is an exploded view of the housing.

In the figure: 1. a clamp body; 2. a clamping mechanism; 3. a housing; 4. a Z-shaped groove; 5. a square groove; 6. a sliding block; 7. square blocks; 8. an L-shaped rod; 9. an annular block; 10. a circular through groove; 11. a rotating lever; 12. cleaning a fan; 13. a cylinder; 14. a partition plate; 15. a torsion spring; 16. a wire rope.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, a protection mechanism of an oil pipe power tongs comprises a tongs body 1; a shell 3 is arranged at the top of the clamping mechanism 2 of the clamp body 1; the side wall of the shell 3 is provided with a group of Z-shaped grooves 4; square grooves 5 are formed in groove walls on two sides of the bottom of the Z-shaped groove 4; the groove wall of the square groove 5 is connected with a sliding block 6 in a sliding way; a square block 7 is fixedly connected to the adjacent side walls of the pair of sliding blocks 6; one end of the sliding block 6 is fixedly connected to the wall of the square groove 5 through a spring; the groove wall of the Z-shaped groove 4 is provided with a clamping piece; during operation, the square groove 5 slides through the sliding block 6, so that the square block 7 is driven to slide in the Z-shaped groove 4 by the movement of the sliding block 6, when the shell 3 is placed on the top of the clamping mechanism 2 of the pliers body 1, the square block 7 slides out of the Z-shaped groove 4 through the elastic action of the spring by the sliding block 6, the square block 7 enters into the groove at the top of the clamping mechanism 2 of the pliers body 1, the shell 3 is fixed on the pliers body 1, dust and sundries are prevented from entering into the clamping mechanism 2 of the pliers body 1 when the power pliers are placed, and the function of protecting the movable part of the power pliers is achieved.

The side walls of the two sides of the square block 7 are both trapezoid surfaces; during operation, the side wall through square piece 7 is trapezoidal face, can be when square piece 7 contact the fixture 2 top surface edge of power pincers, and square piece 7's trapezoidal face receives the effort that the extrusion obtained, can make square piece 7 retract Z inslot 4, lets square piece 7 enter into the outside recess of fixture 2 of power pincers easily, conveniently lets casing 3 fixed and dismantlement on the pincers body 1.

The clamping piece comprises an L-shaped rod 8; the top groove wall of the Z-shaped groove 4 is connected with an L-shaped rod 8 in a sliding way; an annular block 9 is arranged on the outer circular wall of the shell 3; the side wall of the L-shaped rod 8 is fixedly connected to the inner circular wall of the annular block 9; during operation, through the removal of annular piece 9 to annular piece 9's removal drives L shape pole 8 and slides in Z shape groove 4, when square piece 7 enters into the outside recess of fixture 2 of power tong, will enter into the vertical pole of L shape pole 8 and can laminate with square piece 7's lateral wall behind the bottom of Z shape groove 4, make square piece 7 can not retract Z shape inslot 4, let square piece 7 be fixed state, and annular piece 9 upwards moves and can let L shape pole 8 remove the screens to square piece 7, play fixed and the effect of removing fixedly on the tong body 1 to casing 3.

The top of the shell 3 is rotatably connected with a rotating rod 11 through a circular through groove 10; the outer circular wall of the rotating rod 11 is fixedly connected with a group of cleaning fans 12; during operation, the rotating rod 11 rotates on the shell 3, so that the rotating rod 11 rotates to drive the cleaning fan 12 to rotate, impurities such as dust are inevitably discharged into the clamping mechanism 2 in the using process of the power tongs, and the impurities in the clamping mechanism 2 can be cleaned through the rotation of the cleaning fan 12, so that the cleaning function is realized in the clamping mechanism 2 of the tongs body 1.

The top of the shell 3 is fixedly connected with a cylinder 13; the inner circular wall of the cylinder 13 is fixedly connected with a baffle plate 14; one end of the rotating rod 11 penetrates through the cylinder 13 and the partition plate 14; the inner side wall of the cylinder 13 is fixedly connected to the outer circular wall of the rotating rod 11 through a torsion spring 15; the outer circular wall of the rotating rod 11 is fixedly connected with a wire rope 16, and one end of the wire rope 16 extends out of the cylinder 13; during operation, through twining wire rope 16 on dwang 11, can take the clearance fan 12 rotation on dwang 11 when the staff pulls wire rope 16, when dwang 11 rotates, torsional spring 15 between dwang 11 and the drum 13 holds the power, when the staff stops the pulling to wire rope 16, torsional spring 15 holds the power and can release and let dwang 11 rotate, let the reverse rotation of clearing fan 12, the rotation of dwang 11 lets wire rope 16 retrieve the winding simultaneously, the staff has portably carried out the clearance operation to fixture 2 of power tong.

The inner circular wall of the shell 3 close to the bottom is provided with a round angle; during operation, establish to the fillet through the inner wall of casing 3 bottom, play the auxiliary effect of location to the fixture 2 that the casing 3 put into power tong, conveniently let casing 3 place on the tong body 1.

The working principle is that the sliding block 6 slides in the square groove 5, so that the movement of the sliding block 6 drives the square block 7 to slide in the Z-shaped groove 4, when the shell 3 is placed on the top of the clamping mechanism 2 of the pliers body 1, the sliding block 6 enables the square block 7 to slide out of the Z-shaped groove 4 under the action of the elasticity of the spring, the square block 7 enters into the groove at the top of the clamping mechanism 2 of the pliers body 1, the fixing action of the shell 3 on the pliers body 1 is completed, dust and sundries are prevented from entering into the clamping mechanism 2 of the pliers body 1 when the power pliers are placed, the movable part of the power pliers is protected, the trapezoidal surface of the square block 7 is pressed by the action force obtained by extrusion when the square block 7 contacts the edge of the top surface of the clamping mechanism 2 of the power pliers, the square block 7 can retract into the Z-shaped groove 4, the square block 7 is easy to enter the groove outside the clamping mechanism 2 of the power tongs, the shell 3 is convenient to fix and detach on the tongs body 1, the annular block 9 moves, the L-shaped rod 8 is driven to slide in the Z-shaped groove 4 by the movement of the annular block 9, when the square block 7 enters the groove outside the clamping mechanism 2 of the power tongs, the vertical rod of the L-shaped rod 8 is attached to the side wall of the square block 7 after entering the bottom of the Z-shaped groove 4, the square block 7 cannot retract into the Z-shaped groove 4, the square block 7 is in a fixed state, the L-shaped rod 8 can be released from the clamping position of the square block 7 by the upward movement of the annular block 9, the shell 3 is fixed and released from the fixed on the tongs body 1, the rotating rod 11 rotates on the shell 3, the cleaning fan 12 is driven to rotate by the rotation of the rotating rod 11, sundries such as dust are difficult to be prevented from entering the clamping mechanism 2 in the using process of the power tongs, the cleaning fan 12 rotates to clean sundries in the clamping mechanism 2, the cleaning fan 12 plays a role in cleaning the clamping mechanism 2 of the pliers body 1, the cleaning fan 12 on the rotating rod 11 rotates when a worker pulls the wire rope 16, the torsion spring 15 between the rotating rod 11 and the cylinder 13 stores force when the rotating rod 11 rotates, when the worker stops pulling the wire rope 16, the torsion spring 15 stores force to release the rotating rod 11 to rotate, the cleaning fan 12 rotates reversely, the wire rope 16 is recovered and wound by rotation of the rotating rod 11, the cleaning operation of the clamping mechanism 2 of the power pliers is facilitated by the worker, the inner wall at the bottom of the shell 3 is set to be a round angle, the clamping mechanism 2 of the power pliers is placed into the shell 3 to play a role in positioning assistance, and the shell 3 is conveniently placed on the pliers body 1.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a protection machanism of oil pipe power pincers which characterized in that: comprises a clamp body (1); a shell (3) is arranged at the top of the clamping mechanism (2) of the clamp body (1); the side wall of the shell (3) is provided with a group of Z-shaped grooves (4); square grooves (5) are formed in groove walls on two sides of the bottom of the Z-shaped groove (4); the groove wall of the square groove (5) is connected with a sliding block (6) in a sliding way; a square block (7) is fixedly connected to the adjacent side walls of the pair of sliding blocks (6); one end of the sliding block (6) is fixedly connected to the groove wall of the square groove (5) through a spring; the groove wall of the Z-shaped groove (4) is provided with a clamping piece.

2. The protection mechanism of an oil pipe power tong as recited in claim 1, wherein: both side walls of the square block (7) are respectively in a trapezoid shape.

3. The protection mechanism of the oil pipe power tongs of claim 2, wherein: the clamping piece comprises an L-shaped rod (8); the top groove wall of the Z-shaped groove (4) is connected with an L-shaped rod (8) in a sliding manner; an annular block (9) is arranged on the outer circular wall of the shell (3); the side wall of the L-shaped rod (8) is fixedly connected to the inner circular wall of the annular block (9).

4. A protection mechanism for an oil line power tong as recited in claim 3, wherein: the top of the shell (3) is rotationally connected with a rotating rod (11) through a circular through groove (10); the outer circular wall of the rotating rod (11) is fixedly connected with a group of cleaning fans (12).

5. The protection mechanism of the oil pipe power tongs of claim 4, wherein: the top of the shell (3) is fixedly connected with a cylinder (13); the inner circular wall of the cylinder (13) is fixedly connected with a baffle plate (14); one end of the rotating rod (11) penetrates through the cylinder (13) and the partition plate (14); the inner side wall of the cylinder (13) is fixedly connected to the outer circular wall of the rotating rod (11) through a torsion spring (15); the outer circular wall of the rotating rod (11) is fixedly connected with a wire rope (16), and one end of the wire rope (16) extends out of the cylinder (13).

6. The protection mechanism of the oil pipe power tongs of claim 5, wherein: the inner circular wall of the shell (3) close to the bottom is provided with a round angle.