Controller, control system and method of multi-section arm support equipment, and engineering machinery equipment

Abstract

The invention provides a controller, a control system and method of multi-section arm support equipment, and engineering machinery equipment. The controller comprises a state judgment unit, a command judgment unit, a signal generation unit, a signal transmitting unit, an angle detection unit and a fine adjustment unit, wherein the state judgment unit is used for receiving an operation command and judging the real-time operating condition of an operating arm support corresponding to the operation command; the command judgment unit is used for judging whether through the operation command, the real-time operating condition of the operating arm support is changed or not; the signal generation unit is used for generating a corresponding start signal or a corresponding stop signal under the situation that the real-time operating condition of the operating arm support is changed; the signal transmitting unit is used for transmitting the start signal or the stop signal to an electric proportional valve corresponding to the operating arm support; the angle detection unit is used for obtaining movement angles of other non-operating arm supports if the quantity of operating arm supports is smaller than the total quantity of arm supports; and the fine adjustment unit is used for ensuring that each of the movement angles of the non-operating arm supports is lower than a preset angle threshold value. With the adoption of the technical scheme, the vibration can be prevented when the arm supports are started or are stopped, and the constant-speed motion of the operating arm supports and the stability of non-operating arm supports are kept.

Description

technical field [0001] The invention relates to the field of mechanical control, in particular to a controller, a control system and method for multi-section boom equipment, and engineering machinery equipment. Background technique [0002] In the related technology, when the concrete pump truck operates the single-section boom through the remote control, the main control method is to output a certain amount of current from the controller to the multi-valve electro-proportional valve of the operating arm according to the opening of the handle of the remote control. Adjust the opening of the boom multi-way valve so that the boom pump oil pushes the piston of the operating arm cylinder to make the boom rotate around a fixed point. Due to the limitation of the boom structure, when the oil cylinder moves at a constant speed, the speed of the boom deployment or retraction is not uniform but has a large speed change. Adopting the above-mentioned control method will cause the spee...

AI Technical Summary

Problems solved by technology

The main defect of this method is that different sizes of booms require a new calculation and setting, which is too cumbersome

Moreover, once there is a little dimensional deviation in the linkage mechanism of the pump truck, it will not be able to form a smooth movement, and may even have a counterproductive effect.

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