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Wedge brake

A technology of brakes and brake hubs, applied in the direction of brake types, drum brakes, mechanical equipment, etc., can solve problems such as power increase

Inactive Publication Date: 2009-03-11
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both drum brakes and disc brakes have the limitation of limited braking torque, and an external force must be applied by an external energy source to make them brake. The greater the speed to be braked, the greater the external force that needs to be provided to the brake, that is, the power is also greater. increase accordingly

Method used

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  • Wedge brake

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Embodiment Construction

[0018] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0019] In conjunction with the accompanying drawings, the type wedge brake consists of a brake support body 2, four type wedges 4, 7, 10, 13, four damping energy storage devices 3, 8, 9, 14, two push rods 5, 12, two electromagnetic Valve 6,11, and brake hub 1 form. Four wedges and four damping energy storage devices are symmetrically arranged to achieve braking in two directions, and the brake hub shaft does not bear bending moment. Type wedges 4, 10, damping energy storage devices 3, 9, push rods 5, 12 and solenoid valves 6, 11 work together to realize braking in a counterclockwise direction; type wedges 7, 13, damping energy storage devices 8,14 Push rods 5,12 and electromagnetic valves 6,11 act together to realize that the braked steering is clockwise braking.

[0020] When braking is required (assuming that the steering direction is counterclockwise before b...

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Abstract

The invention provides a wedge brake, comprising a supporting body which is arranged outside a brake hub; the supporting body is an equilateral 2n-polygons, wherein, n is equal to 2-4; a pair of adjacent edges inside the supporting body and opposite edges of the adjacent edges are respectively provided with a set of brake components which consist of a wedge and a damping energy-accumulation device corresponding to the wedge; an electromagnetic valve is arranged between two adjacent wedges outside the supporting body; the brake can gain larger brake power under smaller structure; the brake power (moment) is decided by braked kinetic energy; the brake time is prolonged with the increasing of the damping; as the brake type is an active type, external brake forces are not needed; therefore, the wedge brake structure is simple, the energy resource is saved, the brake can be used for the braking of large power transmission such as ships and the like and the braking of small power transmission such as automobile and the like.

Description

(1) Technical field [0001] The invention relates to a brake, in particular to a brake that does not require active braking force. (2) Background technology [0002] After the traditional brake is designed, it has the limitation of limited braking torque, and an external force must be applied by an external energy source to make it brake. The greater the speed being braked, the more power needs to be supplied to the brakes. [0003] The most commonly used brakes are drum brakes and disc brakes. There are two types of drum brakes: internal tension type and external beam type. The working principle of the internal tension type drum brake is: when a brake shoe block is located in the brake drum and is activated at one end, it can be wound around the other end. The fulcrum rotates outwards and presses against the inner circle of the brake drum to generate a frictional torque to achieve braking. The main disadvantage of drum brakes is that the braking force is not proportional ...

Claims

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Application Information

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IPC IPC(8): F16D49/18
Inventor 胡胜海邓坤秀郭彬徐鹏赵晓丽郭旭伟富威潘胤卓沈启敏李鸿飞
Owner HARBIN ENG UNIV
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