Inserting type stud assembly and disassembly clamp

A double-ended stud, plug-in technology, applied in the direction of hand-held tools, manufacturing tools, workpiece clamping devices, etc.

Inactive Publication Date: 2013-12-04
SHANGHAI ELECTRIC WIND ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the defects of the existing screw-in loading and unloading fixtures, the present invention provides a plug-in double-ended stud loading and unloading fixture. and set screws

Method used

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  • Inserting type stud assembly and disassembly clamp
  • Inserting type stud assembly and disassembly clamp
  • Inserting type stud assembly and disassembly clamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention will be further described below in conjunction with accompanying drawing.

[0017] figure 1 It shows the structure of a plug-in double-ended stud loading and unloading fixture, which consists of a fixture body (1), a cage (2), 3 rollers (3), a retaining ring (5), and a set screw (4 )composition.

[0018] Among them, the upper part of the fixture body (1) has a 0.5-1 inch inner square hole for connection with the square tenon of the electric wrench or pneumatic wrench, and the lower part is formed by an appropriate amount of grooves, and the difference between the highest point and the lowest point of the groove is 0.8-1.5 mm, which is set on the stud during loading and unloading; the cage (2) is placed in the lower cavity of the clamp body (1), which is a cylindrical structure, and its length is 0.3-0.7 mm lower than the cavity depth of the clamp body, and the outer diameter It is 0.3-0.5 mm smaller than the minimum inner diameter of the fixture ...

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PUM

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Abstract

The invention provides an inserting type stud assembly and disassembly clamp which mainly comprises a clamp body, a retainer, three pin rollers and a baffle ring. Grooves in the proper number form a cavity of the clamp body, the retainer is placed in the cavity and provided with three cylindrical grooves, and the baffle ring is connected to the bottom of the clamp body through a fastening screw. In the process of assembly, the inserting type stud assembly and disassembly clamp is inserted into a stud, when the clamp body is rotated, the retainer relatively stands still, groove faces in the cavity of the clamp body squeeze the pin rollers so as to clamp the stud, and clamping is convenient; after the stud is screwed tightly, the clamp body is slightly rotated in the opposite direction, and then the clamp can be disassembled. The inserting type stud assembly and disassembly clamp is convenient to clamp and disassemble, and capable of reducing labor intensity and improving work efficiency; a large number of contact points of the pin rollers and threads exist, the pin rollers are made of wearable bearing steel, and service life is long; meanwhile, the clamp can screw threads with different pitches and even a stud with threads at only one end, and application range is wide.

Description

Technical field: [0001] The invention relates to a clamp for loading and unloading double-headed studs. Background technique: [0002] At present, screw-in loading and unloading fixtures are mainly used in the assembly of double-ended studs. When assembling the fixture, it is necessary to screw the fixture into the stud head to be installed, and then use a pneumatic or hydraulic wrench to screw the stud into the corresponding threaded hole. , When disassembling, it is necessary to fix the stud, rotate the clamp in the opposite direction, and separate the clamp from the stud. [0003] The screw-in loading and unloading fixture takes a long time to clamp and disassemble, the loading and unloading workload is heavy, the labor intensity is high, and the thread is frequently stressed, and the service life is short. Invention content: [0004] In order to overcome the defects of the existing screw-in loading and unloading fixtures, the present invention provides a plug-in doubl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B11/02B25B27/14
Inventor 叶小铭孙永岗
Owner SHANGHAI ELECTRIC WIND ENERGY CO LTD
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