Threaded sleeve maintenance wrench
By designing a threaded sleeve inspection wrench, which utilizes components such as fastening chains and bolts to facilitate the easy assembly and disassembly of threaded sleeves, the problem of increased costs and operational difficulties associated with purchasing dedicated wrenches is solved, thereby improving the efficiency and ease of pipeline maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING SHOUGANG CONSTR GROUP
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-21
AI Technical Summary
In the existing technology, pipeline maintenance requires the purchase of various types of special wrenches, which increases costs and is difficult to operate in confined spaces.
A threaded sleeve inspection wrench was designed, comprising a fastening chain, a bolt, a lower nut, a bolt, a support plate, a connecting plate, a top plate, and a handle. By combining these components, threaded sleeves can be disassembled and assembled, simplifying the operation process.
It reduced maintenance costs, improved ease of operation and efficiency, solved the problem of purchasing special wrenches, and simplified the disassembly and assembly process of threaded sleeves.
Smart Images
Figure CN224144506U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of pipeline maintenance technology, and in particular provides a threaded sleeve maintenance wrench. Background Technology
[0002] When inspecting pipelines, special wrenches are generally used to disassemble and install threaded sleeves. The disadvantages of using special wrenches are that, firstly, different models of wrenches suitable for maintenance need to be purchased in advance, which increases maintenance costs; secondly, for pipelines in confined spaces, sometimes special wrenches do not have enough operating space and are not easy to disassemble and tighten. Utility Model Content
[0003] The purpose of this utility model is to provide a threaded sleeve inspection wrench, which solves the problem of purchasing special wrenches, reduces maintenance costs, and makes the disassembly and assembly of threaded sleeves easier, thereby improving maintenance efficiency.
[0004] This invention involves inserting the fastening chain of a maintenance wrench into a threaded sleeve, then operating the handle to turn the bolt rod, causing the lower end of the bolt rod to press against the threaded sleeve, and then rotating the maintenance wrench to disengage the threaded sleeve from the pipe.
[0005] This utility model includes a fastening chain 1, a bolt 2, a lower nut 3, a bolt 4, a support plate 5, a connecting plate 6, a top plate 7, an upper nut 8, and a handle 9, used in combination. The connecting plate 6 is welded to the lower middle position of the two support plates 5, with a distance of 60mm between the two support plates 5; two bolts 4 pass through the two ends of the two support plates 5 respectively for fixation; the fastening chain 1 passes through the inside of the bolt 4 between the two support plates 5, and its two ends are welded to the top plate 7 for fixation; the lower nut 3 is welded to the lower middle position of the connecting plate 6; the upper nut 8 is welded to the upper middle position of the top plate 7; the bolt 2 is screwed into the upper nut 8 and the lower nut 3 respectively and passes through the top plate 7; the handle 9 is welded to the top of the bolt 2 (see...). Figure 1 , Figure 2 ).
[0006] Among them, fastening chain 1 is made from a bicycle chain and is 1 / 2" in size. 3 / 32", 600mm long; Bolt 2, 20mm diameter, 300mm long; Lower nut 3, 20mm diameter; Bolt 4, 10mm diameter, 80mm long; Support plate 5, an arc plate machined from 14mm thick steel plate, with a chord length of 100mm; Connecting plate 6, machined from 20mm thick steel plate, with dimensions (length...). Width) 80 30mm; Top plate 7 is made of 20mm thick steel plate, with dimensions (length) Width) 120 40mm; upper nut 8 is 20mm in diameter; handle 9 is made of 10mm diameter round steel and is 80mm long.
[0007] In use, insert the fastening chain 1 of the inspection wrench into the threaded sleeve 11, then operate the handle 9 to turn the bolt 2, so that the lower end of the bolt 2 presses against the threaded sleeve 11, and then rotate the inspection wrench to disengage the threaded sleeve 11 from the pipe 10. Figure 3 , Figure 4 ).
[0008] The advantages of this utility model are that it is easy to assemble, easy to operate, simple and practical, solves the problem of purchasing special wrenches, reduces maintenance costs, and makes it easy to disassemble and assemble threaded sleeves, thus improving maintenance efficiency. Attached Figure Description
[0009] Figure 1 This is the front view of the inspection wrench;
[0010] Figure 2 Side view of the inspection wrench;
[0011] Figure 3 Use the front view for the inspection wrench;
[0012] Figure 4 Side view for inspection wrench;
[0013] In the diagram, fastening chain 1, bolt 2, lower nut 3, bolt 4, support plate 5, connecting plate 6, top plate 7, upper nut 8, handle 9, pipe 10, and threaded sleeve 11. Detailed Implementation
[0014] Figures 1-4 This is one specific embodiment of the present invention. The present invention will be further described below with reference to the accompanying drawings.
[0015] This utility model includes a fastening chain 1, a bolt 2, a lower nut 3, a bolt 4, a support plate 5, a connecting plate 6, a top plate 7, an upper nut 8, and a handle 9, which are used in combination. The connecting plate 6 is welded to the middle of the lower part of the two support plates 5, with a distance of 60mm between the two support plates 5; the two bolts 4 pass through the two ends of the two support plates 5 respectively and are fixed; the fastening chain 1 passes through the inside of the bolt 4 between the two support plates 5, and its two ends are welded to the top plate 7 for fixation; the lower nut 3 is welded to the middle of the lower part of the connecting plate 6; the upper nut 8 is welded to the middle of the upper part of the top plate 7; the bolt 2 is screwed into the upper nut 8 and the lower nut 3 respectively and passes through the top plate 7; the handle 9 is welded to the top of the bolt 2.
[0016] When using it, put the fastening chain 1 of the inspection wrench into the threaded sleeve 11, then operate the handle 9 to turn the bolt 2 so that the lower end of the bolt 2 presses against the threaded sleeve 11, and then turn the inspection wrench to disengage the threaded sleeve 11 from the pipe 10.
[0017] During pipeline maintenance, a maintenance wrench was used for the installation and removal of threaded sleeves, achieving good results. This maintenance wrench is used in combination with other components. A connecting plate is welded to the lower center of two support plates, 60mm apart. Two bolts pass through both ends of the support plates for fixation. A fastening chain passes through the inside of the bolts between the two support plates and is welded to the top plate at both ends. A lower nut is welded to the lower center of the connecting plate, and an upper nut is welded to the upper center of the top plate. A bolt is screwed into both the upper and lower nuts and passes through the top plate. A handle is welded to the top of the bolt. In use, the fastening chain of the maintenance wrench is inserted into the threaded sleeve. Then, the handle is operated to turn the bolt, causing the lower end of the bolt to press against the threaded sleeve. Finally, the maintenance wrench is rotated to disengage the threaded sleeve from the pipeline. This maintenance wrench is simple to assemble, easy to operate, and practical. It solves the problem of purchasing a dedicated wrench, reduces maintenance costs, and facilitates the installation and removal of threaded sleeves, improving maintenance efficiency.
Claims
1. A threaded casing make-up wrench characterized by The assembly includes a fastening chain (1), a bolt (2), a lower nut (3), a bolt (4), a support plate (5), a connecting plate (6), a top plate (7), an upper nut (8), and a handle (9). The connecting plate (6) is welded to the bottom of the two support plates (5); the two bolts (4) are fixed by passing through the two ends of the two support plates (5); the fastening chain (1) passes through the inside of the bolt (4) between the two support plates (5) and is welded to the top plate (7) at both ends; the lower nut (3) is welded to the bottom of the connecting plate (6); the upper nut (8) is welded to the top plate (7); the bolt (2) is screwed into the upper nut (8) and the lower nut (3) and passes through the top plate (7); the handle (9) is welded to the top of the bolt (2).
2. The threaded casing makeup wrench of claim 1, wherein, Fastening chain (1) is made from bicycle chain and is 1 / 2” in size. 3 / 32”, 600mm long; Bolt (2) 20mm diameter, 300mm long; Lower nut (3) 20mm diameter; Bolt (4) 10mm diameter, 80mm long; Support plate (5) is an arc plate made of 14mm thick steel plate, with a chord length of 100mm; Connecting plate (6) is made of 20mm thick steel plate, with dimensions of (length) Width) 80 30mm; the top plate (7) is made of 20mm thick steel plate, and its dimensions are (length) Width) 120 40mm; upper nut (8) diameter 20mm; handle (9) made of 10mm diameter round steel, 80mm long.