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Arm-pulling type gap self-regulating brake

A brake and self-adjusting technology, applied in drum brakes, brake types, slack adjusters, etc., can solve problems such as shortening vehicle service life, increasing vehicle torque, and dragging brakes, improving driving safety and increasing distance. , the effect of fast consumption of friction plates

Inactive Publication Date: 2014-07-02
CHONGQING BISHAN HONGXIANG AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This structure requires manual gear shifting to adjust the gap to meet the needs of safe driving. It often takes several adjustments to use the friction plate to the limit, which is very troublesome; the gap adjusted by experienced drivers may be more reasonable, while young drivers adjust Gaps are likely to be unsatisfactory
If the adjusted gap is too small or there is no gap at all, the result will be dragging of the brakes, unnecessary increase in vehicle torque, high fuel consumption, fast friction plate consumption, and shortened vehicle service life; if the adjusted gap is too large, it will Increasing the distance between the brake pedal and the parking handle may not be able to park within the effective distance, posing safety hazards

Method used

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  • Arm-pulling type gap self-regulating brake
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  • Arm-pulling type gap self-regulating brake

Examples

Experimental program
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Embodiment Construction

[0014] In the following, the present invention will be further explained through the embodiments and the accompanying drawings:

[0015] Combine figure 1 —— figure 2 As shown, a self-adjusting gap pull arm brake consists of a brake drum 1, a brake pump 2, a brake shoe assembly 3, a parking arm 4, a self-adjusting plate 5, a gap adjustment mechanism, and a brake shoe The tension spring 11, the pull arm pin 12 and the pull rope guide block 13 are composed. The brake shoe assembly 3 includes a left brake shoe and a right brake shoe, and a friction plate is arranged on the outer side of each brake shoe. The left and right brake shoes are tightened by the brake shoe tension spring 11. The rope guide block 13 is provided with a rope through hole 13 a for the passage of the rope, and the rope passes through the rope guide block 13 and is fixed to the lower end of the parking arm 4.

[0016] The parking arm 4 and the self-adjusting plate 5 are hinged on the arm pin 12, the parking arm 4...

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PUM

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Abstract

The invention discloses an arm-pulling type gap self-regulating brake which comprises a brake drum (1), a brake pump (2), a brake shoe assembly (3), a parking pull arm (4), a self-regulating poking plate (5) and a gap regulating mechanism. The parking pull arm (4) and the self-regulating poking plate (5) are hinged to a pull arm pin (12) which is fixed to the brake shoe assembly (3). The gap regulating mechanism comprises a first supporting fixture block (6), a supporting threaded sleeve (7), a self-regulating ratchet wheel belt screw rod shaft (8), a supporting unthreaded hole sleeve (9) and a second supporting fixture block (10). The left end of the first supporting fixture block (6) is stuck on a left brake shoe, and the right end of the second supporting fixture block (10) is stuck on a right brake shoe and the parking pull arm (4). When a ratchet wheel (8c) is poked by the self-regulating poking plate (5) to rotate, the gap regulating mechanism is lengthened. After a friction plate is abraded, the gap between the friction plate and the brake drum can be automatically regulated to be under the optimal state.

Description

Technical field [0001] The invention relates to a vehicle brake system, belonging to the technical field of mechanical brake brake assembly, in particular to a pull arm brake. Background technique [0002] The brake system is a key component related to the safety of people and vehicles. The brake is the most important safety and key component in all driving vehicles. The brake system of a car is divided into multiple structural forms according to the requirements of reliability and labor saving. Brake is a structure commonly used in mechanical brakes. [0003] In order to maintain good braking efficiency, there must be an optimal gap value between the friction plate in the brake shoe assembly and the brake drum. As the friction lining wears, the gap between the brake shoe assembly and the brake drum increases, and a mechanism for adjusting the gap is required. [0004] The gap adjustment mechanism of the existing non-self-adjusting pull-arm brake includes a self-adjusting plate and...

Claims

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Application Information

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IPC IPC(8): F16D65/40F16D49/00
Inventor 敖良均田洪相
Owner CHONGQING BISHAN HONGXIANG AUTO PARTS