Dual-function braking device combining air pump resilience with friction

Abstract

The invention relates to a braking device, in particular to a dual-function braking device with double functions of air pump energy storage braking and frictional braking, belonging to the technical field of transport tools. The device is characterized in that on the basis of the braking device of a braking drum, an air pump is arranged on a sliding shaft which is vertical to a vehicle shaft; a rotating shaft of the air pump extends into the braking drum; the tail end of the rotating shaft is provided with a frictional roller; the tail end of the sliding shaft is provided with an electromagnetand is provided with a reset spring which presses the air pump; the air pump is connected with a high-pressure air storage tank by an electromagnetic valve and an air pressure control electromagneticvalve which are connected with an electronic control device in an electrical control way; a switch of the electronic control device is linked with a braking pedal and a fuelling pedal; and the edge of a wheel rim is provided with a rotating speed sensor and is connected with an ABS control panel in the electronic control device by a signal wire. The device is compact and convenient in structure,low in cost and is easy to implement; the starting can utilize the stored energy when in braking; the frictional braking system and the air pump braking resilience braking system play roles simultaneously when in braking, thus having safer braking.

Description

technical field [0001] The invention relates to a double-system brake device of air pump brake energy recovery brake and friction brake, belonging to the technical field of vehicles. Background technique [0002] The braking energy is converted into compressed air energy for storage, which can save energy and greatly reduce the fuel consumption of vehicles. At present, there are mainly two types of braking energy recovery methods: one is to drive the braking energy to a generator to generate electricity and store the electric energy; the other is to convert the braking energy into compressed air energy for storage. The way of energy storage and recovery of electric energy has a low energy utilization rate, and the cost of electric energy conversion devices is also high, so it is difficult to popularize; the way of energy recovery of compressed air is usually to install the energy recovery device at the position of the transmission shaft of the car. Large and complex, the me...

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Problems solved by technology

The way of energy storage and recovery of electric energy has a low energy utilization rate, and the cost of electric energy conversion devices is also high, so it is difficult to popularize; the way of energy recovery of compressed air is usually to install the energy recovery device at the position of the transmission shaft of the car. Large and complex, the mechanism is too heavy, and the compressed air return energy brake is not as easy to control as the brake pads, so there are safety hazards in the application

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