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A self-cooling disc brake device

An automatic cooling and braking device technology, applied in the direction of brake types, brake parts, mechanical equipment, etc., can solve problems such as road safety accidents, overheating and cracking of brake discs, rapid heat accumulation, etc., to improve cooling effect, Good cooling effect and improved service life

Active Publication Date: 2017-12-01
江朝汽车(金湖)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an automatic cooling disc brake device, which can solve the problem of rapid heat accumulation of existing disc brakes during continuous braking, causing overheating of the brake disc and cracking of the brake pads, resulting in brake failure , leading to problems that are prone to road safety accidents

Method used

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  • A self-cooling disc brake device
  • A self-cooling disc brake device
  • A self-cooling disc brake device

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Embodiment Construction

[0037] Such as figure 1 and Figure 7 A self-cooling disc brake device shown includes a disc brake caliper 16 and a brake chamber 21 fixed on the axle housing 47 through the A screw rod 48 and the B screw rod 19 respectively, and is rotatably connected to the The hub assembly 10 of the axle housing 47, the side of the hub assembly 10 facing the disc brake caliper 16 is fixed with the brake disc 12 through the C screw 15, and the bearing hole of the hub assembly 10 is installed towards the end of the brake disc 12 There is an oil seal 50, and the other end towards the end of the axle housing 47 is sequentially installed with a nut sealing ring 9, a shaft head locking piece 8 and a shaft head locking nut 7, and the nut sealing ring 9 and the oil seal 50 make the hub assembly Both ends of the bearing holes formed into 10 are sealed, and the other side of the wheel hub assembly 10 opposite to the brake disc 12 is also equipped with a shaft head cover 2 covering the bearing holes....

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Abstract

The invention discloses an automatically-cooled disc braking device which comprises a hub assembly rotationally connected to a bridge shell through a bearing. A brake disc and a spindle head cover are connected to the hub assembly. The automatically-cooled disc braking device further comprises an oil pumping mechanism. A cooling hole channel is formed in the brae disc. A first oil pipe and a second oil pipe are arranged on the hug assembly and connected with the two ends of the cooling hole channel respectively, the second oil pipe is communicated with a hub assembly bearing hole, and the bridge shell is provided with an oil drainage hole communicated with the hub assembly bearing hole and an inner cavity of the bridge shell. The spindle head cover is provided with an oil channel, wherein the two ends of the oil channel are communicated with the inner cavity of the bridge shell and the first oil pipe respectively. The oil pumping mechanism is connected to a circulation oil path formed by the cooling hole channel, the second oil pipe, the hub assembly bearing hole, the inner cavity of the bridge shell, the oil channel and the first oil pipe. Heat conducting oil flows in the circulation oil path through the oil pumping mechanism to quickly cool the brake disc, and thus the phenomenon that due to heat accumulation, the brake disc becomes too hot and cracks or a brake pad is ablated, a brake loses efficacy, and consequently the risks of road safety accidents occur is reduced.

Description

technical field [0001] The invention relates to the field of disc braking devices, in particular to an automatic cooling disc braking device. Background technique [0002] Automobile brakes are divided into two categories: hub type and disc type, both of which are friction type, that is, the driving vehicle is braked by friction. The disc brake is an open structure, and the brake caliper rubs from both sides of the brake disc. The heat generated during the friction process accumulates rapidly. When the vehicle brakes continuously, especially when the vehicle brakes continuously on a long slope, the The temperature of the disc gradually rises to hundreds of degrees Celsius, which will cause the brake disc to overheat and crack, and the brake pads will be ablated to cause the brake to fail. cause a fire accident. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an automatic cooling disc brake device, which can sol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D65/853
CPCF16D65/853
Inventor 郑成虎
Owner 江朝汽车(金湖)有限公司
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