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Brake sucker device shrunk under automobile chassis and braking method thereof

A car chassis and suction cup technology, applied in the direction of brakes, braking components, vehicle components, etc., can solve problems such as threatening the life safety of drivers, passengers, passers-by, etc., and achieve the effect of shortening braking distance, good application prospects, and fast response.

Active Publication Date: 2022-04-19
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current car braking system will inevitably produce a braking distance during emergency braking, which seriously threatens the safety of drivers, passengers and passers-by.

Method used

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  • Brake sucker device shrunk under automobile chassis and braking method thereof
  • Brake sucker device shrunk under automobile chassis and braking method thereof
  • Brake sucker device shrunk under automobile chassis and braking method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 , 2, shown in 3 and 4, the brake sucker device that shrinks below the automobile chassis includes an I-shaped slide rail 13, a sucker assembly, a trachea 3, a vacuum pump 11, an air pump 12, a motor, a gear crank slider mechanism 15 and a pressure sensor; The glyph slide rail 13 is fixed on the bottom surface of the automobile chassis 1, is positioned at the rear position of the automobile chassis, and is arranged near the wheel drive shaft; the pressure sensor is fixed on the upper surface of the foot brake; Hinge one and ball hinge two; Shrink rod 7 comprises outer cylinder, inner rod, piston 17 and spring 8; Outer cylinder is provided with pressure relief hole 16 and air inlet; The piston cavity between 17 is connected; the piston and the outer cylinder form a sliding pair; the high-pressure pump is fixed on the top surface of the automobile chassis 1; the piston 17 is fixed to the inner end of the inner rod; the two ends of the spring 8 are respect...

Embodiment 2

[0033] Such as Figure 4 , 6 , 7 and 8, the brake suction cup device shrunk below the chassis of the car, including a suction cup assembly, air pipe 3, transition chamber 20, vacuum pump 11, air pump 12 and pressure sensor; three shrink rod fixing supports 19 are arranged in a triangle cloth, and are all fixed on the bottom surface of the automobile chassis 1; one of the retractable rod fixed supports 19 is located in the middle of the automobile chassis 1, and the other two retractable rod fixed supports 19 are arranged near the rear wheel drive shaft; the pressure sensor is fixed on the upper surface of the foot brake; The suction cup assembly includes a suction cup 4, an ultrasonic detector 14, a shrink rod 7, a ball hinge one and a ball hinge two; the shrink rod 7 includes an outer cylinder, an inner rod, a piston 17 and a spring 8; the outer cylinder is provided with a pressure relief hole 16 and an air intake hole; the air inlet is communicated with the piston cavity be...

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Abstract

The invention discloses a brake sucker device shrunk under the chassis of an automobile and a braking method thereof. The braking distance of the car braking system is too long during emergency braking. The pressure sensor of the present invention is fixed on the upper surface of the foot brake; the high-pressure pump is used to supply air to the air intake hole of the outer cylinder of the retractable rod; the piston of the retractable rod is fixed to the inner end of the inner rod; The inner end face is fixed; the ball hinge support 1 of the ball hinge 1 is connected to the bottom surface of the automobile chassis through a connecting piece; the ball head 1 of the ball hinge 1 is fixed to the outer cylinder, the inner rod is fixed to the ball joint 2 of the ball hinge 2, and the ball joint 2 of the ball hinge 2 is fixed. The second ball hinge support is fixed with the suction cup; the inner cavity of the suction cup is fixed with an ultrasonic detector; When the vehicle runs at high speed and brakes suddenly, the suction cup pops up to the ground along with the contraction rod, and an adsorption force is generated between the vacuum pump and the ground, which greatly shortens the braking distance of the vehicle.

Description

technical field [0001] The invention belongs to the technical field of automobile braking, and in particular relates to a brake sucker device shrunk under an automobile chassis and a braking method thereof. Background technique [0002] The current automobile braking system will inevitably produce a certain braking distance during emergency braking, which seriously threatens the life safety of drivers, passengers and passers-by. According to the relationship between the speed of the car and the braking distance, when a car brakes on a dry asphalt road at a speed of 80 km / h, the resulting braking distance is about 14-40 meters. The reaction time of the driver and the braking time of the braking system can be increased to between 50-60 meters, and the existence of the braking distance has caused most of the car accidents. [0003] If the car can act on the road surface by means of external force when braking, the braking distance of the car can be greatly reduced, and the occ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T1/14
Inventor 李志华石宏雨刘杰樊志华
Owner HANGZHOU DIANZI UNIV
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