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Limited angular displacement rolling post rolling thrust simulation screw for disc brake pressurization

A limited-angle, helical technology, applied in the direction of brake actuators, gear shifting mechanisms, mechanical equipment, etc., can solve the problems of high manufacturing cost, frequent failures, burst pipes, etc., and achieve the effect of reducing processing costs.

Inactive Publication Date: 2012-09-12
张希华 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both have deficiencies in terms of reliability evaluation: Although hydraulic pressure has invested a lot in technology and testing, failures still occur frequently, such as leakage, pipe burst, and lag.
From the perspective of price, the car disc brake is twice as high as the drum brake as soon as it appears, and the configuration ratio on the car is 5%, while the motorcycle bicycle is as high as 30-50%, and the bicycle mechanical disc brake is also as high as 30%. Manufacturing costs are too high
Therefore, the equipment rate of motorcycles and bicycles is very low, less than 30% for motorcycles and less than 0% for bicycles

Method used

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  • Limited angular displacement rolling post rolling thrust simulation screw for disc brake pressurization
  • Limited angular displacement rolling post rolling thrust simulation screw for disc brake pressurization

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Experimental program
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Embodiment Construction

[0008] In the figure, the end faces of the fixed helix (5) and the driving helix (6) all have three inclined grooves with the same inclination, and they are connected end to end from shallow to deep to form an equilateral triangle. Three needle rollers (1) are put into the groove of fixed screw (5) along. Six rollers (3) are divided into three groups and vertically put into the driving screw (6) groove respectively. Three rocking plates (2) are placed on the needle rollers (1) in a fan shape. When the driving screw (6) rotates counterclockwise, the roller (3) rolls between the driving screw (6) and the rocking plate (2), and the rocking plate (2) rotates with the driving screw (6), and the needle ( 1) Make a small amount of rolling on the top to form a dynamic spiral surface and push the fixed spiral forward. The two rollers (3) in each groove of the active screw can make the rocking plate (2) parallel to the plane of the bottom of the groove, and share one needle (1). The s...

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Abstract

The invention relates to a limited angular displacement rolling post rolling thrust simulation screw for disc brake pressurization. The screw consists of a tong body, a driving screw, a fixed screw, a rocking plate, a rolling post and a rolling needle. Simplicity and reliability are realized, six rolling posts synthesize the rolling on the simulation screw at the circumference in the movement of the driving screw, the fixed screw, the rocking plate and the rolling needle, the carrying capability is greatly improved, and same-volume hydraulic transmission equivalent thrust can be generated. The screw surface processing is not involved through the introduction of the rolling needle and the rocking plate, the cost is exponentially reduced, and simplicity and reliability are realized.

Description

technical field [0001] The invention relates to a mechanical pressurization mechanism on a disc brake (including a disc brake) of a transportation tool, in particular a finite angular displacement roller rolling thrust simulation screw which can improve the reliability of braking and double reduce its manufacturing cost. It belongs to the technical field of braking. Background technique [0002] At present, known vehicle chassis system disc brake (referred to as disc brake on the means of transport) was invented in Britain in 1929, which will replace traditional drum brakes and create a history of linear braking. This invention could not be used in production practice immediately at that time, and required the support of two other technologies. One is a new type of friction material with high temperature and high pressure resistance that does not decline in friction performance, and the other is a high-pressure press method between friction pairs. The former was resolved i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/14F16D121/14F16D125/18
Inventor 张希华
Owner 张希华
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