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Braking device of drive axle

A technology of braking device and drive axle, applied in manual starting device, power device, control device, etc., can solve the problems of unstable braking, high cost, complex braking system, etc., and achieve stable braking and simple structure. Effect

Inactive Publication Date: 2009-01-21
WUXI KIPOR POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When this kind of brake brakes, the friction disc and the friction plate are directly pressed together, the brake is not smooth, and the impact is large.
In addition, it is also necessary to set up a separate parking brake, which makes the braking system complicated and expensive.

Method used

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  • Braking device of drive axle
  • Braking device of drive axle
  • Braking device of drive axle

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:

[0025] figure 1 ~As shown in Figure 9, it includes drive axle 1, motor 2, differential 3, braking device 4, planetary gear reducer 5, sun gear shaft 6, motor end cover 7, side gear 8, separator 9, half shaft Gear 10, differential case 11, motor housing 12, motor shaft 13, transmission shaft 14, first main friction plate 15, fixed disc 16, inner ring gear 17, limit bolt 18, first pressure plate 19, Limiting sleeve 20, large friction plate 21, second pressure plate 22, third pressure plate 23, second main friction plate 24, main friction plate 25, retaining ring 26, brake ring gear 27, auxiliary friction plate 28, auxiliary Friction disc 29, piston 30, shift fork 31, handle 32, shift fork end cover 33, adjustment bolt 34, adjustment nut 35, protrusion 36, boss 37, flange 38, cylinder 39, groove 40, through Hole 41.

[0026] like figure 1 As shown, th...

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Abstract

The invention relates to a brake device used for an engineering vehicle driving bridge, in particular to a wet-typed multi-sheet brake which is used on the engineering vehicle driving bridge; the brake device mainly comprises a motor end cover, a piston, a large friction plate, an auxiliary friction device, a main friction device and a planetary gear reducer; the motor end cover is axially provided with the piston; the main friction device and the auxiliary friction device are matched with each other; the motor end cover is fixedly connected with the planetary gear reducer; the piston is internally sleeved by a first pressing disc; a second pressing disc and the large friction plate are embedded inside the planetary gear reducer by the tooth tip which is arranged on the external circumference thereof; the fixed disc is axially fixed inside the internal tooth ring of the planetary gear reducer. The brake device of the invention integrates a running brake system and a stopping brake system and has simple, safe and reliable structure; the auxiliary friction device brakes firstly and drives the main friction device to brake subsequently; the braking is carried out from interior to the exterior, the braking force changes from small force to large force; the braking is stable and soft.

Description

technical field [0001] The invention relates to a braking device of an engineering vehicle drive axle, in particular to a wet multi-plate brake used on the engineering vehicle drive axle. Background technique [0002] The wet multi-plate brake used on the drive axle of engineering vehicles is generally used for service braking. It is mainly composed of a brake housing, a brake piston, a friction plate, and a friction disc. A number of fixed friction discs and rotating friction plates are arranged in a staggered manner and installed in a sealed brake housing filled with cooling oil. When braking is required, the brake fluid from the brake master cylinder enters the brake, and the brake piston presses the staggered friction discs and friction plates, so that the rotating friction plates are decelerated by friction until they stop rotating. purpose of braking. When this kind of brake brakes, the friction disc and the friction plate are directly pressed, and the brake is not s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T1/06B60T7/08
CPCB60T1/062B60K1/00B60K17/046F16D2121/02F16D2121/14F16D2123/00F16D2125/28
Inventor 肖亨琳
Owner WUXI KIPOR POWER CO LTD
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