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Normally closed braking mechanism for crawler type traveling machine

A braking mechanism and crawler-type technology, applied in brakes, motor vehicles, crawler vehicles, etc., can solve the problems of machinery and operator danger, and achieve the effect of ensuring safety and reliable parking brake

Active Publication Date: 2012-09-05
SHANTUI CONSTR MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the machine suddenly turns off on a dangerous occasion such as a ramp, it will be difficult to brake effectively after losing hydraulic power, which will bring certain dangers to the machine and the operator

Method used

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  • Normally closed braking mechanism for crawler type traveling machine
  • Normally closed braking mechanism for crawler type traveling machine
  • Normally closed braking mechanism for crawler type traveling machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] refer to figure 1 , the normally closed braking mechanism of the crawler-type walking machinery involves the original brake. The structure of the brake is: it has an outer rocker arm 13, the inner end of the outer rocker arm 13 presses the front piston 11, and the front piston 11 presses the rear piston 10. , the rear piston 10 presses one end of the middle rocker arm 9, the other end of the middle rocker arm 9 is hinged to one end of the middle inner connecting rod 8, the other end of the inner connecting rod 8 is hinged to one end of the inner rocker arm 7, and the inner rocker arm 7 There are two other hinge points, one of which hinges the support arm, and the other hinge point is hinged with the brake band connecting rod 6, and the front end of the support arm is supported on one end of the brake band 14, and one end of the brake band link 6 Hinged with the other end of brake band 14. In addition, a bracket 1 is provided on which an oil cylinder 2 is fixed. The oil...

Embodiment 2

[0018] refer to figure 2 , the normally closed braking mechanism of the crawler-type walking machinery involves the original brake. The structure of the brake is: it has an outer rocker arm 13, the inner end of the outer rocker arm 13 presses the front piston 11, and the front piston 11 presses the rear piston 10. , the rear piston 10 presses one end of the middle rocker arm 9, the other end of the middle rocker arm 9 is hinged to one end of the middle inner connecting rod 8, the other end of the inner connecting rod 8 is hinged to one end of the inner rocker arm 7, and the inner rocker arm 7 There are other two hinge points, one of which is hinged with a support arm, the other hinge point is hinged with the brake band connecting rod 6, the front end of the support arm is supported on one end of the brake band 14, and the brake band link 6 One end is hinged with the other end of the brake band 14, and the difference is that the middle rocker arm 9 has an end extending out of ...

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PUM

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Abstract

The invention provides a normally closed braking mechanism for a crawler type traveling machine, and relates to a brake. A support is fixedly provided with an oil cylinder, of which one cavity is a closed cavity provided with an oil inlet and the other cavity is an opened cavity in which a spring set is arranged; and a piston rod of the oil cylinder is connected with a braking control transmissionmechanism of the brake through a connecting piece or the end of which a lengthened external rocker arm or middle rocker arm of the brake is extended out. The braking mechanism can provide reliable parking brake when the traveling machine is parked, and quickly and effectively brake the traveling machine when the traveling machine is shut down abnormally, thereby ensuring the safety of the traveling machine and an operator to a maximum extent.

Description

Technical field: [0001] The invention relates to a crawler-type traveling machinery braking mechanism, in particular to a crawler-type traveling machinery normally closed braking mechanism. Background technique: [0002] The belt brakes used in crawler-type traveling machinery are normally open brakes. When braking, hydraulic power is needed to combine them to achieve the purpose of braking. When the brakes are parked, the brake belts are normally open. If the machine suddenly turns off on a dangerous occasion such as a ramp, it will be difficult to effectively brake after losing hydraulic power, which will bring certain dangers to the machine and the operator. Invention content: [0003] The object of the present invention is to provide a normally closed braking mechanism of a crawler-type traveling machine. When the machine is stopped or the engine is suddenly turned off, the brake will automatically switch to the braking state. [0004] The purpose of the present inven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T13/12B60T17/18B62D55/00
Inventor 徐刚姚友良侯文军徐长重伊长春赵建军杨海清张艳明李宣秋张明月
Owner SHANTUI CONSTR MASCH CO LTD
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