Stand-by emergency braking device for truck

Abstract

A stand-by emergency braking device for a truck comprises a piston cylinder seat (1) and a pull rod seat (2), a piston cylinder (3) and a pull rod (4), wherein the piston cylinder seat (1) and the pull rod seat (2) are mounted at the rear part of a truck girder (11); the upper end of the piston cylinder (3) is connected with the interior of the piston cylinder seat and provided with a piston rod; the upper end of the pull rod (4) is connected with the interior of the pull rod seat; the lower end of the piston rod and the lower end of the pull rod are mutually connected with a horizontally placed friction braking plate (7); the piston cylinder and the piston cylinder seat are connected with each other through a first connecting bolt (5); the pull rod and the pull rod seat are connected with each other through a second connecting bolt (6); the piston rod and the pull rod are connected with a friction braking plate (8) through a third connecting bolt (7); and a control pipeline (9) is connected between the piston cylinder and a truck braking control system. The invention is advantaged in that the structure of the stand-by emergency braking device is simple and reliable, the making cost of the stand-by emergency braking device is low and dangers caused by truck brake failure can be effectively stopped.

Description

technical field [0001] The invention belongs to the technical field of automobile braking devices. Background technique [0002] At present, in my country and other countries in the world, traffic accidents directly caused by various types of trucks occur frequently, causing serious personal injuries and economic losses. In my country, the traffic accidents caused by trucks accounted for about 40%, and the death toll accounted for more than 70%, becoming the biggest traffic safety hazard. The reason why trucks become the "biggest road killer" is brake failure, especially the accidents caused by brake failure of overloaded trucks are more frequent. Brake failure has become the deadliest technical factor in traffic accidents of large trucks. [0003] The existing truck braking system is mainly composed of energy supply device, control device, transmission device and brake, etc., and the wheels are stopped from walking through the brake wheel train. However, due to various r...

AI Technical Summary

Problems solved by technology

However, due to various reasons, brake failure often occurs, or because there are too many impurities in the brake master cylinder, the seal is not tight, the vacuum booster pump fails, the brake oil is too dirty, the brake pump leaks, the gas storage tank or the pipeline interface leaks. Gas, or mechanical failure due to improper operation, such as long-term downhill friction and heat generation of brake pads, high temperature of brake pads resulting in organic matter melting out, reduced friction coefficient, brake function failure, or increased vehicle movement due to severe overload Inertia directly leads to brake failure

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