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Friction self-locking rope clip

A cable gripper and self-locking technology, applied in the field of frictional self-locking cable grippers, can solve the problems of high tension, complex structure and troublesome operation.

Inactive Publication Date: 2012-01-04
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the grips used in domestic automobile crash tests can be divided into two types: fixed type and trailer type; fixed type grips are always connected with the traction rope from the beginning to the end of the collision test, which cannot realize the cycle of the collision line, and the operation is troublesome
Moreover, the tension between the fixed rope grip and the traction rope is too large at the moment of collision, which is easy to cause accidents; for the traditional tow-type grip rope, the collision line can be realized, but its structure is complicated, and the grip force is also affected by its structure. In the currently known locking methods, the eccentric cam locking method is widely used in various locking mechanisms due to its simple structure, fast locking and self-locking characteristics of the eccentric cam. Small locking force and low reliability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] See figure 1 , figure 2 , the friction self-locking type gripping device, including a base, the base includes a left base 9 and a right base 1, connecting the left and right bases 9, 1 to form an integral connecting plate 6; the connecting plate 6 is divided into upper and lower connecting plates 601 , 602; A through opening A is formed between the left and right bases 9 and 1 bottoms, and the left base 9 along the side of the through opening A direction is provided with a hinge slider 7 sliding in this direction; the hinge slider 7 and the left base 9 are connected by a dovetail rail chute structure 14, the left base 9 is provided with a dovetail groove 14, and the bottom of the hinge slider 7 is provided with a dovetail slide rail 141 to cooperate with the dovetail groove 141 on the left base 9; The dovetail slide rail 141 is provided with a limit hole 15; the hinge slider 7 is hinged with a long pin 13 to have a movable claw tile 10 corresponding to the through ope...

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PUM

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Abstract

The invention discloses a friction self-locking rope clip. The friction self-locking rope clip comprises a base, wherein a through opening is formed at the bottom of the base; one side along the direction of the through opening on the base is provided with a hinge sliding block which slides along the direction; the hinge sliding block is hinged with a movable claw corresponding to the through opening; a part where the through opening is formed on the base with the hinge sliding block is used as a fixed claw; the fixed claw and the movable claw form a rope clipping component; the other side ofthe through opening on the base is provided with an eccentric cam which is in friction fit with the surface of the movable claw; and the eccentric cam is provided with a handle. The friction self-locking rope clip has the advantages of functions of manual pre-clamping and automatic locking, simple structure, large rope clipping force, high safety and reliability, and the like.

Description

technical field [0001] The invention belongs to an automobile collision test device, in particular to a friction self-locking type gripping device. Background technique [0002] At present, the grips used in domestic automobile crash tests can be divided into two types: fixed type and trailer type; fixed type grips are always connected with the traction rope from the beginning to the end of the collision test, which cannot realize the cycle of the collision line, and the operation is troublesome . Moreover, the tension between the fixed rope grip and the traction rope is too large at the moment of collision, which is easy to cause accidents; for the traditional tow-type grip rope, the collision line can be realized, but its structure is complicated, and the grip force is also affected by its structure. In the currently known locking methods, the eccentric cam locking method is widely used in various locking mechanisms due to its simple structure, fast locking and self-locki...

Claims

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Application Information

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IPC IPC(8): G01M7/08G01M17/007
Inventor 毛建中钟盼希王路翔颜世强钟志华
Owner HUNAN UNIV
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