Light handheld rigid stabilizer

Abstract

The utility model discloses a light handheld rigid stabilizer, which relates to the technical field of oil well cementation tools and comprises a centralizer main body, a plurality of T-shaped grooves are formed in the outer wall of the upper side of the centralizer main body in an annular array distribution mode, and T-shaped strips are connected in the T-shaped grooves in a clamping mode. Ribs are fixedly arranged on the sides, away from the centralizer body, of the multiple T-shaped strips, T-shaped blocks are inserted into the upper sides of the multiple T-shaped grooves, a mounting ring abuts against the top of the centralizer body, and the upper sides of the multiple T-shaped blocks are fixedly connected with the T-shaped blocks. First connecting blocks are fixedly arranged on the two sides of the mounting ring, second connecting blocks are fixedly arranged on the two sides of the top of the centralizer body, connecting mechanisms are arranged between the first connecting blocks and the second connecting blocks, and the first connecting blocks and the second connecting blocks are fixedly connected through the connecting mechanisms. According to the utility model, the worn ribs can be independently replaced, so that the waste of materials is reduced, and the replacement cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum cementing tools, in particular to a light handheld rigid stabilizer. Background Art

[0002] In long horizontal well conditions, it is difficult to achieve the ideal centering effect using elastic casing centralizers, so rigid stabilizers are used instead.

[0003] Among them, the announcement number CN220504961U discloses a bushing type rigid centralizer, which includes a centralizer body, a plurality of groups of ribs are fixedly installed on the outer surface of the centralizer body, and the ribs are straight bar type. A bushing is arranged inside the centralizer body, and the bushing is a two-half type. The ribs and the outer wall of the centralizer body are penetrated to form a fixing hole, and a fixing pin is installed inside the fixing hole. There are still defects in this technical solution:

[0004] In this technical solution, the centralizer body and the ribs on its outer surface are designed as an integrated unit. Therefore, when the ribs are worn, the entire centralizer has to be replaced, which not only wastes materials but also increases the replacement cost. Utility Model Content

[0005] In view of the above problems existing in the existing bushing type rigid centralizer, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a lightweight handheld rigid stabilizer, which solves the problem that the centralizer body and the ribs on its outer surface in the prior art bushing-type rigid centralizer are of an integrated design. Therefore, when the ribs are worn, the entire centralizer can only be replaced, which not only wastes materials but also increases the replacement cost.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A lightweight handheld rigid stabilizer comprises a centralizer body, wherein the upper outer wall of the centralizer body is provided with a plurality of T-slots in a circular array, wherein the interiors of the plurality of T-slots are clamped with T-bars, wherein the sides of the plurality of T-bars away from the centralizer body are fixedly provided with ribs, wherein the upper sides of the plurality of T-slots are plugged with T-blocks, wherein the top of the centralizer body is provided with mounting rings, and the upper sides of the plurality of T-blocks are fixedly connected with the T-blocks;

[0009] First connecting blocks are fixedly arranged on both sides of the mounting ring, second connecting blocks are fixedly arranged on both sides of the top of the centralizer body, a connecting mechanism is arranged between the first connecting block and the second connecting block, and the first connecting block and the second connecting block are fixedly connected through the connecting mechanism.

[0010] Preferably, the connecting mechanism includes an insert block and a clamping block, a plug hole is provided on the surface of the second connecting block, the insert block is inserted into the inside of the plug hole, one side of the insert block is fixedly connected to the first connecting block, a cavity is provided inside the insert block, a slider is slidably provided inside the cavity, the clamping block is fixedly provided on one side of the slider, a through hole is provided on one side of the plug hole, one end of the clamping block extends to the outside of the cavity, and the outer end of the clamping block is clamped with the through hole.

[0011] Preferably, a spring is fixedly provided on a side of the sliding block away from the clamping block, and the other end of the spring is fixedly connected to the inner wall of the cavity.

[0012] Preferably, balls are rollingly embedded on one side of the plurality of ribs away from the T-shaped bar.

[0013] Preferably, the longitudinal sections of the slider and the cavity are both rectangular.

[0014] Preferably, the centralizer body is made of lightweight material.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] The utility model realizes separation of the mounting ring and the centralizer body by pushing the clamping blocks on both sides into the corresponding cavities, thus releasing the limit on the plugging blocks, and pulling the plugging blocks out of the corresponding plugging holes, that is, pulling out a plurality of T-blocks from the corresponding T-slots, thereby releasing the limit on the top of a plurality of T-bars, and pulling the T-bars out of the T-slots, thus completing the disassembly of the ribs, making it convenient to replace the worn ribs separately, reducing the waste of materials, and lowering the replacement cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 This is a structural schematic diagram of a lightweight handheld rigid stabilizer proposed by the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the top view of the structure of the central centralizer body;

[0020] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0021] Description of reference numerals:

[0022] 1. Centralizer body; 2. Ribs; 3. Balls; 4. Mounting ring; 5. T-block; 6. T-bar; 7. First connecting block; 8. Second connecting block; 9. Slider; 10. Spring; 11. Block; 12. Insert block. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a light handheld rigid stabilizer.

[0025] Reference Figure 1-3 A lightweight handheld rigid stabilizer comprises a centralizer body 1, wherein the upper outer wall of the centralizer body 1 is provided with a plurality of T-slots in a circular array, wherein the interiors of the plurality of T-slots are clamped with T-bars 6, wherein the plurality of T-bars 6 are fixedly provided with ribs 2 on the side away from the centralizer body 1, wherein the plurality of ribs 2 are rollingly embedded with balls 3 on the side away from the T-bars 6, which can reduce the wear of the ribs 2, wherein the upper sides of the plurality of T-slots are plugged with T-blocks 5, wherein the top of the centralizer body 1 is provided with mounting rings 4, wherein the upper sides of the plurality of T-blocks 5 are fixedly connected with the T-blocks 5, and the centralizer body 1 is made of a lightweight material, has a light weight, and is convenient for handheld installation and replacement;

[0026] First connection blocks 7 are fixedly disposed on both sides of the mounting ring 4 , and second connection blocks 8 are fixedly disposed on both sides of the top of the centralizer body 1 .

[0027] Reference Figure 1-3 A connecting mechanism is provided between the first connecting block 7 and the second connecting block 8, and the first connecting block 7 and the second connecting block 8 are fixedly connected through the connecting mechanism. The connecting mechanism includes an insert block 12 and a clamp block 11. A plug hole is provided on the surface of the second connecting block 8, and the insert block 12 is inserted into the inside of the plug hole. One side of the insert block 12 is fixedly connected to the first connecting block 7. A cavity is provided inside the insert block 12, and a slider 9 is slidably provided inside the cavity. The clamp block 11 is fixedly provided on one side of the slider 9, and a through hole is provided on one side of the plug hole. One end of the clamp block 11 extends to the outside of the cavity, and one end of the outer side of the clamp block 11 is clamped with the through hole.

[0028] Reference Figure 1-3 A spring 10 is fixedly provided on one side of the slider 9 away from the block 11, and the other end of the spring 10 is fixedly connected to the inner wall of the cavity, so that the block 11 is more firmly plugged into the through hole. The longitudinal sections of the slider 9 and the cavity are both rectangular, so that the slider 9 cannot rotate, that is, it can slide stably.

[0029] In the utility model, when part of the ribs 2 are worn, the clamping blocks 11 on both sides are pushed into the corresponding cavities, that is, the limit on the plug block 12 is released, and the plug block 12 is pulled out from the corresponding socket, so that the mounting ring 4 and the stabilizer body 1 are separated, that is, the multiple T-blocks 5 are pulled out from the corresponding T-slots, and then the limit on the top of the multiple T-bars 6 is released, and the T-bars 6 can be pulled out from the T-slots, and the disassembly of the ribs 2 is completed, which is convenient for the individual replacement of the worn ribs 2, reducing the waste of materials and reducing the replacement cost.

[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A lightweight handheld rigid stabilizer, comprising a stabilizer body (1), characterized in that: The upper outer wall of the centralizer body (1) is provided with a plurality of T-slots distributed in a circular array, a T-strip (6) is clamped inside each of the plurality of T-slots, a rib (2) is fixedly provided on a side of each of the plurality of T-strips (6) away from the centralizer body (1), a T-block (5) is inserted on the upper side of each of the plurality of T-slots, a mounting ring (4) is abutted against the top of the centralizer body (1), and the upper sides of each of the plurality of T-blocks (5) are fixedly connected to the T-block (5); First connecting blocks (7) are fixedly arranged on both sides of the mounting ring (4), second connecting blocks (8) are fixedly arranged on both sides of the top of the centralizer body (1), a connecting mechanism is arranged between the first connecting block (7) and the second connecting block (8), and the first connecting block (7) and the second connecting block (8) are fixedly connected via the connecting mechanism.

2. The lightweight handheld rigid stabilizer according to claim 1, characterized in that: The connection mechanism comprises an insert block (12) and a clamping block (11); a plug hole is provided on the surface of the second connection block (8); the insert block (12) is inserted into the inside of the plug hole; one side of the insert block (12) is fixedly connected to the first connection block (7); a cavity is provided inside the insert block (12); a slider (9) is slidably provided inside the cavity; the clamping block (11) is fixedly provided on one side of the slider (9); a through hole is provided on one side of the plug hole; one end of the clamping block (11) extends to the outside of the cavity; and one end of the outside of the clamping block (11) is clamped into the through hole.

3. The lightweight handheld rigid stabilizer according to claim 2, characterized in that: A spring (10) is fixedly arranged on one side of the sliding block (9) away from the clamping block (11), and the other end of the spring (10) is fixedly connected to the inner wall of the cavity.

4. The lightweight handheld rigid stabilizer according to claim 1, characterized in that: A ball (3) is rollingly embedded on one side of the plurality of ribs (2) away from the T-shaped bar (6).

5. The lightweight handheld rigid stabilizer according to claim 2, characterized in that: The longitudinal cross-sections of the slider (9) and the cavity are both rectangular.

6. The lightweight handheld rigid stabilizer according to claim 1, characterized in that: The centralizer body (1) is made of lightweight material.

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