CN216841486U

CN216841486U - Roller type centralizer

Info

Publication number: CN216841486U
Application number: CN202220135688.4U
Authority: CN
Inventors: 王成军
Original assignee: Daqing Puqing Drilling Equipment Manufacturing Co ltd
Current assignee: Daqing Puqing Drilling Equipment Manufacturing Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-06-28
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a roller type centralizer, including the collar, the bottom surface fixed mounting of collar has the mounting bracket, and the inside movable mounting of mounting bracket has wheel components, and the mounting bracket includes the support body, and the square groove has been seted up to the inside of support body, and the mounting hole has all been seted up at the positive upper and lower both ends of support body. In the scheme, the roller assemblies are matched with the buckle assemblies, so that the centralizer can be driven down along with the sleeve while the centralizer is fixed, the influence on the driving down of the sleeve is avoided, the self-righting effect is not influenced, and the rollers can automatically adapt to the surrounding environment at a certain distance by adjusting the buckle assemblies, so that the effect of improving the practicability of the whole device is achieved; the setting can be dismantled the collar can carry out quick equipment to the centralizer, need not spend too much time, consequently makes the staff can practice thrift a large amount of time when carrying out the dismouting to the effect that improves dismouting efficiency has been reached.

Description

Roller type centralizer

Technical Field

The utility model relates to a centralizer technical field, more specifically says, the utility model relates to a roller type centralizer.

Background

The centralizer is also called a guider, and the guider refers to a rigid and elastic centralizer framework arranged on the outer surface of a casing for ensuring that a casing string which is put in is positioned in the center of a shaft in oil and gas drilling, and is mostly a spring type lantern-shaped framework, and is divided into a riveting type and a hinged type according to the structure.

However, in practical use, there still exist some disadvantages, such as: the top ends of the existing partial centralizers are all in a fixed ring shape, so that more time is consumed for assembly and disassembly, the installation time is more, and the practicability of the whole device is reduced; secondly current lantern formula centralizer is installed and can't slide after, leads to in the probing, and the centralizer probably leads to blockking up, perhaps spends more manpower and material resources, consequently further reduction the practicality of whole device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a roller type centralizer to solve prior art centralizer and not set up the gyro wheel and lead to the lower problem of suitability.

In order to solve the technical problem, the utility model provides a following technical scheme: a roller type centralizer comprises a mounting ring, wherein a mounting frame is fixedly mounted on the bottom surface of the mounting ring, and a roller assembly is movably mounted inside the mounting frame;

the mounting bracket comprises a bracket body, a square groove is formed in the bracket body, and mounting holes are formed in the upper end and the lower end of the front side of the bracket body.

The mounting ring comprises a half ring, mounting blocks are uniformly formed at the left end and the right end of the half ring, a threaded hole is formed in the surface of each mounting block, a bolt is mounted on the internal thread of each threaded hole, and a chuck is mounted at one end of each bolt in a threaded manner.

The number of the half rings is four, the four half rings are equally divided into two groups, the two groups of the half rings are respectively distributed at the upper end and the lower end of the mounting frame, and the bottom surfaces of the half rings are fixedly mounted on the top surface of the frame body.

The roller assembly comprises a buckle assembly, a mounting frame is fixedly mounted at the bottom end of the buckle assembly, rollers are rotatably mounted inside the mounting frame, the number of the rollers is three, and the three rollers are sequentially distributed on the inner wall of the mounting frame from top to bottom.

The buckle assembly comprises a guide rod, a spring is movably sleeved on the surface of the guide rod, a connecting column is fixedly connected to one end of the spring, a right-angle rod is integrally formed on the side face of the connecting column, and a guide hole is formed in the side face of the connecting column.

The left end of the spring is fixedly connected inside the mounting hole, one end of the guide rod is fixedly mounted inside the mounting hole, the other end of the guide rod is movably sleeved inside the guide hole, and the bottom end of the right-angle rod is fixedly mounted on the surface of the mounting frame.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the scheme, the roller components are arranged, so that the centralizer can be driven down along with the casing pipe while the centralizer is fixed, the influence of obstruction on the driving down of the casing pipe is avoided, and the self-centralizing effect is not influenced, so that the effect of improving the practicability of the whole device is achieved; the collar that sets up to dismantle can carry out quick equipment to the centralizer, need not spend too much time, consequently makes the staff can practice thrift the plenty of time when carrying out the dismouting to the effect that improves dismouting efficiency has been reached.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective assembly view of the integrated device of the present invention;

FIG. 3 is a schematic view of the connection structure of the mounting ring of the present invention;

FIG. 4 is a schematic structural diagram of the roller assembly of the present invention;

fig. 5 is a schematic view of the structure of the buckle assembly of the present invention.

[ reference numerals ]

1. A mounting ring; 2. a mounting frame; 3. a roller assembly; 11. a half ring; 12. mounting a block; 13. a threaded hole; 14. a bolt; 15. a chuck; 21. a frame body; 22. a square groove; 23. mounting holes; 31. a buckle assembly; 32. installing a frame; 33. a roller; 311. a guide bar; 312. a spring; 313. connecting columns; 314. a right-angle rod; 315. and (4) a guide hole.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The embodiment of the present invention provides a roller type centralizer as shown in fig. 1 to 5, which includes a mounting ring 1, wherein a mounting frame 2 is fixedly installed on the bottom surface of the mounting ring 1, and a roller assembly 3 is movably installed inside the mounting frame 2;

the mounting bracket 2 comprises a bracket body 21, a square groove 22 is formed in the bracket body 21, and mounting holes 23 are formed in the upper end and the lower end of the front surface of the bracket body 21.

As shown in fig. 2 to 3, the mounting ring 1 includes half rings 11, mounting blocks 12 are integrally formed at left and right ends of the half rings 11, threaded holes 13 are formed in surfaces of the mounting blocks 12, bolts 14 are installed at internal threads of the threaded holes 13, chucks 15 are installed at one ends of the bolts 14, the number of the half rings 11 is four, the four half rings 11 are equally divided into two groups, the two groups of the half rings 11 are respectively distributed at upper and lower ends of the mounting frame 2, and bottom surfaces of the half rings 11 are fixedly installed on a top surface of the frame body 21.

Specifically, with the semi-ring 11 laminating on the surface of pipeline, then install two installation pieces 12 mutually through screw hole 13 with the one end of bolt 14, then with chuck 15 with the rigidity of bolt 14, utilize the collar 1 that can dismantle to carry out quick equipment to the centralizer, need not spend too much time, consequently make the staff can practice thrift a large amount of time when carrying out the dismouting to the effect that improves dismouting efficiency has been reached.

As shown in fig. 4 to 5, the roller assembly 3 includes a buckle assembly 31, a mounting frame 32 is fixedly mounted at a bottom end of the buckle assembly 31, the rollers 33 are rotatably installed inside the installation frame 32, the number of the rollers 33 is three, the three rollers 33 are sequentially distributed on the inner wall of the installation frame 32 from top to bottom, the buckle assembly 31 comprises a guide rod 311, a spring 312 is movably sleeved on the surface of the guide rod 311, one end of the spring 312 is fixedly connected with a connecting column 313, a right-angle rod 314 is integrally formed on the side surface of the connecting column 313, the side of the connection pole 313 is provided with a guide hole 315, the left end of the spring 312 is fixedly connected to the inside of the mounting hole 23, one end of the guide rod 311 is fixedly installed inside the installation hole 23, the other end of the guide rod 311 is movably sleeved inside the guide hole 315, and the bottom end of the right-angle rod 314 is fixedly installed on the surface of the installation frame 32.

Specifically, the centralizer is in the removal, roller 33 rolls with the contact surface along with the removal of pipeline, when meetting the extrusion, can extrude spring 312, make roller 33 overall position squint, thereby adapt to the surrounding environment condition, improve its suitability, utilize wheel components 3 can make the centralizer in guaranteeing fixed, can be along with the sleeve pipe is drilled down together, and can not produce the influence that hinders to the sheathed tube is drilled down, also do not influence the righting effect of self, consequently, the effect of improving the overall device practicality has been reached.

The working process of the utility model is as follows: the semi-ring 11 is firstly attached to the surface of a pipeline, then one end of a bolt 14 is mutually installed on two installation blocks 12 through a threaded hole 13, then the position of the bolt 14 is fixed through a chuck 15, then when the centralizer moves, a roller 33 rolls with a contact surface along with the movement of the pipeline, and when the centralizer is extruded, a spring 312 is extruded, so that the whole position of the roller 33 is deviated, the whole position of the roller 33 is adapted to the surrounding environment, and the applicability of the roller is improved.

Above-mentioned scheme, utilize collar 1 that can dismantle to carry out quick equipment to the centralizer, need not spend too much time, consequently make the staff can practice thrift a large amount of time when carrying out the dismouting, thereby reached the effect that improves dismouting efficiency, utilize wheel components 3 can make the centralizer when guaranteeing to be fixed, can be along with the sleeve pipe is drilled down together, and can not produce the influence that hinders to the sheathed tube is drilled down, also do not influence the righting effect of self, consequently, the effect that improves the overall device practicality has been reached.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A roller type centralizer comprises a mounting ring (1), and is characterized in that a mounting frame (2) is fixedly mounted on the bottom surface of the mounting ring (1), and a roller assembly (3) is movably mounted inside the mounting frame (2);

mounting bracket (2) are including support body (21), square groove (22) have been seted up to the inside of support body (21), mounting hole (23) have all been seted up at the positive upper and lower both ends of support body (21).

2. The roller type centralizer according to claim 1, wherein the mounting ring (1) comprises a half ring (11), mounting blocks (12) are integrally formed at left and right ends of the half ring (11), a threaded hole (13) is formed in the surface of each mounting block (12), a bolt (14) is threadedly mounted inside the threaded hole (13), and a chuck (15) is threadedly mounted at one end of the bolt (14).

3. The roller centralizer of claim 2, wherein the number of the half rings (11) is four, four half rings (11) are equally divided into two groups, two groups of the half rings (11) are respectively distributed at the upper end and the lower end of the mounting frame (2), and the bottom surfaces of the half rings (11) are fixedly mounted on the top surface of the frame body (21).

4. The roller type centralizer according to claim 1, wherein the roller assembly (3) comprises a buckle assembly (31), a mounting frame (32) is fixedly mounted at the bottom end of the buckle assembly (31), rollers (33) are rotatably mounted in the mounting frame (32), the number of the rollers (33) is three, and the three rollers (33) are sequentially distributed on the inner wall of the mounting frame (32) from top to bottom.

5. The roller type centralizer according to claim 4, wherein the buckle assembly (31) comprises a guide rod (311), a spring (312) is movably sleeved on the surface of the guide rod (311), one end of the spring (312) is fixedly connected with a connecting column (313), a right-angle rod (314) is integrally formed on the side surface of the connecting column (313), and a guide hole (315) is formed in the side surface of the connecting column (313).

6. The roller type centralizer of claim 5, wherein the left end of the spring (312) is fixedly connected inside the mounting hole (23), one end of the guide rod (311) is fixedly installed inside the mounting hole (23), the other end of the guide rod (311) is movably sleeved inside the guide hole (315), and the bottom end of the right-angle rod (314) is fixedly installed on the surface of the mounting frame (32).