CN220955514U - Underground variable-diameter deformed sleeve shaper - Google Patents

Abstract

The utility model relates to the technical field of bushings and discloses an underground variable-diameter deformed bushing shaper, which comprises a supporting column, wherein the bottom of the supporting column is fixedly connected with a chassis, the front end, the back end, the left end and the right end of the top of the chassis are respectively and rotatably connected with an expansion assembly, the outer bottom of the supporting column is fixedly connected with a fixed column, the outer part of the fixed column is provided with a plurality of threads, the outer threads of the fixed column are connected with a rotating block, the expansion assembly comprises four rotating rods, four connecting rods and four inner tubes, the bottom of each rotating rod is rotatably connected with the front end, the back end, the left end and the right end of the top of the chassis, and one end of each connecting rod is fixedly connected with one side of each rotating rod. According to the utility model, the shaft is fixed, adjustment and fixation are facilitated according to the sizes of different shafts, the trouble that the traditional sleeve shaper cannot adapt to different sizes is avoided, and the use flexibility is improved.

Description

Underground variable-diameter deformed sleeve shaper

Technical Field

The utility model relates to the technical field of casings, in particular to an underground variable-diameter deformed casing shaper.

Background

In hydrocarbon production and subterranean engineering, downhole operations often require casing shaping, which refers to the process of shaping and repairing casing in a wellbore using specific tools and techniques, to ensure the integrity of the wellbore and to effectively seal the wellbore.

However, the conventional casing shaping tool is generally of a fixed diameter, and cannot adapt to the situation of different wellbore sizes, and in some special situations, such as variation of stratum conditions or inconsistency of wellbore sizes, the conventional casing shaping tool cannot adjust and fix the wellbore, so that a downhole variable diameter deformed casing shaper is now proposed for solving the above-mentioned problems.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides an underground variable-diameter deformed sleeve shaper which can adjust the sizes of different shafts and is convenient for adjusting and fixing the shafts.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a variable diameter formula deformation sleeve pipe plastic ware in pit, includes the support column, the bottom fixedly connected with chassis of support column, both ends all rotate around the top of chassis are connected with expansion assembly, the outside bottom fixedly connected with fixed column of support column, the outside of fixed column is provided with a plurality of screw threads, the outside threaded connection of fixed column has rotatory piece;

Through above-mentioned technical scheme, make the inner tube constantly expand through expansion assembly for laminate with the inner wall.

Further, the expansion assembly comprises four rotating rods, four connecting rods and four inner pipes, the bottoms of the rotating rods are rotationally connected to the front end, the rear end, the left end and the right end of the top of the chassis, one end of each connecting rod is fixedly connected to one side of each rotating rod, and one end of each connecting rod is fixedly connected to one side of the inner part of each inner pipe;

Through above-mentioned technical scheme, through the motion of dwang for the connecting rod rotates, thereby makes the inner tube outwards expand simultaneously.

Further, an anti-skid pad is fixedly connected to the outer part of the inner tube, and fixing bolts are connected to the front end, the rear end, the upper end, the lower end, the left end and the right end of the anti-skid pad in a threaded manner;

through above-mentioned technical scheme, slipmat prevents that the inner wall from moist environment and landing, causes unnecessary risk.

Further, a tightening handle is fixedly connected to the outer side of the rotating block;

Through the technical scheme, the rotating block starts to move by rotating the tightening handle.

Further, the top of the outer side of the support column is fixedly connected with a rotary handle;

Through the technical scheme, the rotary handle is rotated to enable the chassis to start rotating.

Further, the bottom of the support column penetrates through the top of the fixed column and extends outwards;

Through the technical scheme, the fixing column correspondingly rotates while the supporting column rotates.

Further, the bottom of the rotating block is in contact with the top of the chassis;

through the technical proposal, when the rotating block reaches the chassis, the chassis is fixed,

Further, the anti-skid pad is made of natural rubber;

Through the technical scheme, the anti-slip pad has durability and chemical corrosion resistance, and prevents the shaper from falling off.

The utility model has the following beneficial effects:

According to the utility model, through the interaction among the support column, the rotary handle, the chassis and the expansion assembly, the shaft is fixed, adjustment and fixation according to the sizes of different shafts are facilitated, the trouble that the traditional sleeve shaper cannot adapt to different sizes is avoided, and the use flexibility is improved; simultaneously, through the interact between fixed column, rotatory piece, the chassis, realized fixing the chassis, be favorable to carrying out spacingly after accomplishing to the pit shaft is fixed, prevent to receive external effect and rock, ensure that the flexible sleeve pipe can be fixed the pit shaft firmly, promote stability.

Drawings

FIG. 1 is a perspective view of a downhole variable diameter deformed casing shaper in accordance with the present utility model;

FIG. 2 is a top view of a downhole variable diameter deformed casing shaper according to the present utility model;

Fig. 3 is an exploded view of the inside of a downhole variable diameter deformed casing shaper in accordance with the present utility model.

Legend description:

1. A support column; 2. a chassis; 3. an expansion assembly; 301. a rotating lever; 302. a connecting rod; 303. an inner tube; 4. fixing the column; 5. a rotating block; 6. tightening the handle; 7. rotating the handle; 8. an anti-slip pad; 9. and (5) fixing bolts.

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. 1-3, one embodiment provided by the present utility model is: the utility model provides a variable diameter formula deformation sleeve pipe plastic ware in pit, including support column 1, the bottom fixedly connected with chassis 2 of support column 1, the outside top fixedly connected with rotatory handle 7 of support column 1, both ends all rotate around the top of chassis 2 are connected with expansion assembly 3, when fixing the pit shaft, rotatory handle 7, make chassis 2 begin to rotate, make expansion assembly 3 begin the motion under the effect of chassis 2, make expansion assembly 3 constantly be close to the pit shaft inner wall, when slipmat 8 contacts on the inner wall, stop rotatory handle 7, the outside bottom fixedly connected with fixed column 4 of support column 1, the top of fixed column 4 is run through to the bottom of support column 1, and outwards extend, the outside of fixed column 4 is provided with a plurality of screw threads, the outside threaded connection of fixed column 4 has rotatory piece 5, the bottom of rotatory piece 5 contacts with the top of chassis 2, the outside fixedly connected with of rotatory piece 5 is screwed up handle 6 after adjusting the position, rotatory screwing up handle 6, when rotatory piece 5 contacts with chassis 2, accomplish the fixed piece 2, simultaneously, also can be fixed to the expansion assembly 3 is fixed to the spacing effect of preventing and can be fixed firmly shaking the pit shaft, can be guaranteed to the stability.

Referring to fig. 2 and 3, the expansion assembly 3 includes four rotating rods 301, four connecting rods 302, four inner tubes 303, wherein the bottom of the rotating rod 301 is rotatably connected to the front, rear, left and right ends of the top of the chassis 2, one end of each connecting rod 302 is fixedly connected to one side of the rotating rod 301, one end of each connecting rod 302 is fixedly connected to one side of the inner tube 303, the rotating rod 301 starts to rotate under the driving of the rotation of the chassis 2, the rotating rod 301 and the connecting rod 302 are integrated, and when the rotating rod 301 rotates, the connecting rod 302 rotates, and then the four inner tubes 303 synchronously expand outwards, so that the inner tubes 303 and the anti-slip pads 8 are fully contacted with the inner wall.

Referring to fig. 3, the outer fixedly connected with slipmat 8 of inner tube 303, slipmat 8's the equal threaded connection in both ends has fixing bolt 9 about around, slipmat 8 fixes through fixing bolt 9, and after slipmat 8 was fixed for a long time, the damage condition can appear on its surface, need demolish it and change, only need use extracting tool to demolish fixing bolt 9 to make slipmat 8 pull down, be convenient for change new slipmat 8, slipmat 8 also can prevent simultaneously that deformation sleeve shaper from receiving humid environment and landing, ensures its stability.

Referring to fig. 3, the anti-slip pad 8 is made of natural rubber, which has good friction and shock absorption properties, and also has durability and chemical resistance.

Compared with the prior art, the scheme has the advantages that the size of the deformed sleeve shaper can be freely adjusted, different shafts can be conveniently fixed, the deformed sleeve shaper can be used in underground operation, the deformed sleeve shaper can be applied to pipeline restoration and fixing objects with different sizes, the application field is wide, and the deformed sleeve shaper is flexible and stable in use, so that a user can work in a more convenient and fast mode.

Working principle: when needs are fixed to the pit shaft, rotatory handle 7, under rotatory handle 7's drive, make chassis 2 begin to rotate, then make dwang 301 on the chassis 2 begin to rotate, under dwang 301's drive, make connecting rod 302 begin to move, thereby make inner tube 303 begin to expand, in the in-process of rotatory handle 7 constantly, inner tube 303 constantly expands, stop rotatory when slipmat 8 reaches the pit shaft inner wall, at this moment, rotatory tightening handle 6, make the screw thread of rotatory piece 5 on fixed column 4 begin to move downwards, stop when rotatory piece 5 moves to chassis 2's top, make chassis 2 obtain fixedly, thereby also carry out spacing to inner tube 303, prevent to receive external effect to lead to inner tube 303 to rock, slipmat 8 also prevents the risk that pit shaft inner wall from skidding from appearing simultaneously, promote stability, when slipmat 8 surface is broken, only need use the instrument to tear down fixing bolt 9 at this moment, can accomplish the dismantlement work at new slipmat 8, when the plastic repair back inner tube 6 is rotatory again, make rotatory tightening handle 5 and make rotatory piece 5 and 2 begin to take out the rotation of connecting rod 301, thereby make the chassis 2 take out the rotation of the chassis 303, make the chassis 2 take out the rotary sleeve 303, make the rotary sleeve 303 take out the end, the plastic carrier is convenient, and take out the chassis is convenient for the rotary coupler.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a variable diameter formula deformation sleeve pipe plastic ware in pit, includes support column (1), its characterized in that: the bottom fixedly connected with chassis (2) of support column (1), both ends all rotate around the top of chassis (2) are connected with expansion assembly (3), the outside bottom fixedly connected with fixed column (4) of support column (1), the outside of fixed column (4) is provided with a plurality of screw threads, the outside threaded connection of fixed column (4) has rotatory piece (5).

2. A downhole variable diameter deformation sleeve shaper according to claim 1, wherein: the expansion assembly (3) comprises four rotating rods (301), four connecting rods (302) and four inner tubes (303), the bottoms of the rotating rods (301) are rotationally connected to the front end, the rear end, the left end and the right end of the top of the chassis (2), one end of each connecting rod (302) is fixedly connected to one side of the corresponding rotating rod (301), and one end of each connecting rod (302) is fixedly connected to one side of the inner portion of each inner tube (303).

3. A downhole variable diameter deformation sleeve shaper according to claim 2, wherein: the anti-skid device is characterized in that an anti-skid pad (8) is fixedly connected to the outside of the inner tube (303), and fixing bolts (9) are connected to the front, back, upper, lower, left and right ends of the anti-skid pad (8) in a threaded mode.

4. A downhole variable diameter deformation sleeve shaper according to claim 1, wherein: the outer side of the rotating block (5) is fixedly connected with a tightening handle (6).

5. A downhole variable diameter deformation sleeve shaper according to claim 1, wherein: the top of the outer side of the support column (1) is fixedly connected with a rotary handle (7).

6. A downhole variable diameter deformation sleeve shaper according to claim 1, wherein: the bottom of the support column (1) penetrates through the top of the fixed column (4) and extends outwards.

7. A downhole variable diameter deformation sleeve shaper according to claim 1, wherein: the bottom of the rotating block (5) is contacted with the top of the chassis (2).

8. A downhole variable diameter deformation sleeve shaper according to claim 3, wherein: the anti-slip pad (8) is made of natural rubber.