Boom shifting controller, boom shifting control system, boom shifting control method and pumping device

Abstract

The invention provides a boom shifting controller, a boom shifting control system and a boom shifting control method. The boom shifting controller comprises an input unit, a computing unit and an output unit; the input unit is used for receiving a signal representing the shifting degree of the end of a boom; the computing unit is used for computing a shifting control signal for a vibration-reducing actuating mechanism of the boom according to the signal representing the shifting degree of the end of the boom; and the output unit is used for outputting the shifting control signal to the vibration-reducing actuating mechanism of the boom. According to the invention, the vibration-reducing actuating mechanism of the boom can be controlled on the basis of the signal representing the shifting degree of the end of the boom, so that the vibration-reducing actuating mechanism of the boom can act according to a shift-compensating direction, the shifting of the end of the boom is prevented, and the effectiveness of vibration control and the stability of the operation of a pump truck are effectively guaranteed. Moreover, because the invention belongs to automatic control, the manual operation of operators is not needed, and thereby the workload is decreased.

Description

technical field [0001] The present invention relates to the field of engineering machinery, in particular to a boom drift control device, system and method, and a pumping device. Background technique [0002] Concrete pump truck is a special machine for conveying and pouring concrete, equipped with a pipeline to continuously transport concrete along the pipeline to the pouring site. In the construction process, especially in the construction process of high-rise buildings, underground buildings and large concrete buildings, concrete pump trucks are gradually It has become an indispensable key equipment in building construction. [0003] Due to the long length, light weight and large pumping displacement of the boom of the concrete pump truck, the boom will vibrate during construction operations. If the vibration amplitude is too large, the hose at the end of the boom cannot be positioned accurately, and the dynamic stress generated at the same time will cause the fatigue o...

AI Technical Summary

Problems solved by technology

[0004] However, on the one hand, due to the complexity of the boom system, its vibration performance is easily affected by many aspects such as working conditions, pumping displacement, and boom attitude; , will also cause the actuator (usually the boom cylinder) to move unbalanced, causing the cylinder piston to deviate from the original position. Therefore, due to the influence of the above-mentioned various factors, the end of the boom may deviate from the initial position to a certain extent, and drift occurs. Thus affecting the effect of vibration reduction control and affecting the work of the pump truck

[0005] Aiming at the drift phenomenon at the end of the boom, if the operator continuously adjusts it manually, it will easily affect the vibration damping effect of the boom and the stability of the pump truck, and at the same time increase the workload of the operator

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