A threaded steel sleeve tightening device

By designing a threaded steel sleeve tightening device, a quick tightening of the threaded steel and sleeve is achieved using a clamping pipe wrench and a drive assembly, solving the problems of slow speed and large error in manual installation, and improving installation efficiency and quality.

CN224587427UActive Publication Date: 2026-08-04CHINA STATE CONSTR HARBOR CONSTR
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA STATE CONSTR HARBOR CONSTR
Filing Date
2025-08-27
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In the current installation process of threaded steel sleeves, manual tightening is slow and has a large error, the torque test has a high failure rate, and the torque value varies greatly.

Method used

Design a threaded steel sleeve tightening device, including a clamping wrench and a drive assembly, which uses a motor to drive the clamping wrench to rotate, thereby achieving rapid tightening of the threaded steel and the sleeve.

Benefits of technology

It improves the installation speed and pass rate of sleeves, and overcomes the problems of slow speed and large error in manual installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a threaded steel sleeve tightening device, including a clamping pipe wrench and a driving assembly. The fixed end of the clamping pipe wrench is connected to the driving assembly, and the clamping end is connected to the threaded steel to be tightened. The driving assembly drives the clamping pipe wrench to rotate, thereby tightening the threaded steel to be tightened onto the sleeve. The clamping pipe wrench includes a pipe wrench and a first connecting rod. One end of the first connecting rod is connected to the pipe wrench, and the pipe wrench clamps the threaded steel to be tightened; the other end is connected to the driving assembly. The driving assembly includes a motor, a gearbox, and a second connecting rod. The output end of the motor is connected to the gearbox, the output end of the gearbox is connected to the second connecting rod, and the second connecting rod is connected to the first connecting rod. The purpose of this utility model is to overcome the shortcomings of existing threaded steel sleeve tightening devices, overcoming the problems of slow speed and large error in manual sleeve installation.
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Description

Technical Field

[0001] This utility model relates to a threaded steel sleeve tightening device. Background Technology

[0002] In the current installation of threaded steel sleeves, the generally accepted method is to tighten them manually with a wrench. However, manual tightening is slow and prone to errors, such as incomplete tightening. To avoid this, torque wrenches are often used to test the torque of the sleeves. However, the results of spot checks are unsatisfactory, with a high failure rate and significant differences in torque values.

[0003] Therefore, a threaded steel sleeve tightening device is proposed to address the above problems. Utility Model Content

[0004] The purpose of this utility model is to overcome the existing defects by providing a threaded steel sleeve tightening device, which overcomes the problems of slow speed and large error in manual sleeve installation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a threaded steel sleeve tightening device, comprising a clamping pipe wrench and a drive assembly;

[0006] The fixed end of the clamping pipe wrench is connected to the drive assembly, and the clamping end is connected to the threaded steel bar to be tightened;

[0007] The drive assembly rotates the clamping pipe wrench to tighten the threaded steel bar to be tightened with the sleeve.

[0008] Preferably, the clamping pipe wrench includes a pipe wrench and a first connecting rod, one end of the first connecting rod is connected to the pipe wrench, and the pipe wrench clamps the threaded steel bar to be tightened; the other end is connected to the drive assembly.

[0009] Preferably, the drive assembly includes a motor, a gearbox, and a second connecting rod; the output end of the motor is connected to the gearbox, the output end of the gearbox is connected to the second connecting rod, and the second connecting rod is connected to the first connecting rod.

[0010] Preferably, the second connecting rod is coaxially arranged with the threaded steel bar to be tightened.

[0011] Preferably, the lower end of the motor is connected to a base for fixing.

[0012] Preferably, the upper end of the motor is connected to a lifting ring for hoisting.

[0013] Preferably, the side wall of the motor is connected to a gate box for starting and stopping operation.

[0014] Compared with the prior art, the beneficial effects of this utility model are: This threaded steel sleeve tightening device, by setting a driving component to drive the clamping pipe wrench to rotate, realizes the tightening of the threaded steel to be tightened and the sleeve, further speeding up the sleeve installation speed and the installation qualification rate, and overcoming the shortcomings of slow speed and large error of manual sleeve installation. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the threaded steel sleeve tightening device of this utility model.

[0017] In the diagram: 1. Clamping pipe wrench; 2. Drive assembly; 3. Threaded steel bar to be tightened; 4. Sleeve; 5. Base; 6. Lifting ring; 7. Gate box; 11. Pipe wrench; 12. First connecting rod; 21. Motor; 22. Gearbox; 23. Second connecting rod. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] like Figure 1 As shown, a threaded steel sleeve tightening device includes a clamping pipe wrench 1 and a driving assembly 2; the fixed end of the clamping pipe wrench 1 is connected to the driving assembly 2, and the clamping end is connected to the threaded steel 3 to be tightened; wherein, the driving assembly 2 drives the clamping pipe wrench 1 to rotate, thereby tightening the threaded steel 3 to be tightened with the sleeve 4.

[0020] Specifically, the clamping pipe wrench 1 includes a pipe wrench 11 and a first connecting rod 12. One end of the first connecting rod 12 is connected to the pipe wrench 11, and the pipe wrench 11 clamps the threaded steel bar 3 to be tightened; the other end is connected to the drive assembly 2. The clamping size of the pipe wrench 11 is adjustable to accommodate threaded steel bars 3 of different sizes to be tightened.

[0021] Specifically, the drive assembly 2 includes a motor 21, a gearbox 22, and a second connecting rod 23. The output end of the motor 21 is connected to the gearbox 22, the output end of the gearbox 22 is connected to the second connecting rod 23, and the second connecting rod 23 is connected to the first connecting rod 12. The second connecting rod 23 is coaxially arranged with the threaded steel bar 3 to be tightened. The second connecting rod 23 is welded to the first connecting rod 12.

[0022] Specifically, the lower end of the motor 21 is connected to a base 5 for fixing. The upper end of the motor 21 is connected to a lifting ring 6 for hoisting. The side wall of the motor 21 is connected to a gate box 7 for opening and closing operation.

[0023] During construction, clamp the pipe wrench 11 onto one end of the threaded steel bar 3 to be tightened, and align the other end of the threaded steel bar 3 to be tightened with the sleeve 4; start the motor 21 to tighten the threaded steel bar 3 and the sleeve 4.

[0024] This threaded steel sleeve tightening device uses a drive assembly 2 to rotate the clamping pipe wrench 1, thereby tightening the threaded steel 3 to be tightened with the sleeve 4. This further speeds up the sleeve installation and increases the installation qualification rate, overcoming the shortcomings of slow speed and large error in manual sleeve installation.

[0025] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A threaded steel sleeve tightening device, characterized in that, Includes a pipe clamping wrench (1) and a drive assembly (2); The fixed end of the clamping pipe wrench (1) is connected to the drive assembly (2), and the clamping end is connected to the threaded steel bar (3) to be tightened; The drive assembly (2) drives the clamping pipe wrench (1) to rotate, thereby tightening the threaded steel bar (3) to be tightened with the sleeve (4).

2. The threaded steel sleeve tightening device according to claim 1, characterized in that, The clamping pipe wrench (1) includes a pipe wrench (11) and a first connecting rod (12). One end of the first connecting rod (12) is connected to the pipe wrench (11), and the pipe wrench (11) clamps the threaded steel bar (3) to be tightened; the other end is connected to the drive assembly (2).

3. The threaded steel sleeve tightening device according to claim 2, characterized in that, The drive assembly (2) includes a motor (21), a gearbox (22), and a second connecting rod (23); the output end of the motor (21) is connected to the gearbox (22), the output end of the gearbox (22) is connected to the second connecting rod (23), and the second connecting rod (23) is connected to the first connecting rod (12).

4. The threaded steel sleeve tightening device according to claim 3, characterized in that, The second connecting rod (23) is coaxially arranged with the threaded steel bar (3) to be tightened.

5. The threaded steel sleeve tightening device according to claim 3, characterized in that, The lower end of the motor (21) is connected to a base (5) for fixing.

6. The threaded steel sleeve tightening device according to claim 3, characterized in that, The upper end of the motor (21) is connected to a lifting ring (6) for hoisting.

7. The threaded steel sleeve tightening device according to claim 3, characterized in that, The side wall of the motor (21) is connected to a gate box (7) for starting and stopping operation.