Power take-off control system with dual-h control for canceling driving power take-off and its application method

Abstract

A double-H controlled power takeoff control system capable of canceling driving power taking-off comprises an air storage cylinder which passes through a power taking-off solenoid valve and a high-gear shielding valve successively to be communicated with an air inlet of a power takeoff and an air inlet of a central air cylinder. An air outlet of the power takeoff is communicated with a rod cavity of a power takeoff control air cylinder, an air outlet of the central air cylinder is connected with a double-H valve in a double-H control system of a rear auxiliary box through a gas passage, and a power taking-off switch is connected in series on a coil of a power taking-off solenoid valve. During usage, air is fed into the power takeoff and the central air cylinder simultaneously to synchronize power taking-off and parking, so that the de-synchronous power taking-off and parking at high gears and long-time ventilation caused by the failure of the power taking-off valve can be prevented by the power taking-off solenoid valve, and sudden elevation during traveling is avoided eventually. By means of the control system and a utilization method thereof, power taking-off and parking can be synchronized, sudden elevation during traveling of a vehicle can be avoided, and the safety is high.

Description

technical field [0001] The present invention relates to a power take-off control system of a dump truck, in particular to a power take-off control system with double H operation that cancels driving power take-off and its use method, and is particularly suitable for avoiding sudden The lifting phenomenon enhances the safety of power take-off. Background technique [0002] At present, it often occurs in China that dump trucks are suddenly automatically lifted while driving, so that they hit obstacles. This phenomenon often leads to serious traffic accidents, resulting in huge economic losses, and even car crashes. Although many OEMs and refitting factories have proposed different preventive measures, such as: interlock control of the power take-off device and the parking device, expecting power take-off and parking to be realized at the same time, so as to avoid sudden lifting when driving, but in practical applications , often due to the uncoordinated chain control between ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects and problems existing in the prior art that power taking and parking synchronization cannot be realized, and the safety is low, and to provide a power taking and parking synchronization, which can cancel driving power taking and has high safety. Power take-off control system controlled by double H and its application method

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