A roadheader memory cutting control system and method thereof

Abstract

The invention relates to a heading machine memory cutting control system and a method of the heading machine memory cutting control system. The heading machine memory cutting control system is composed of a detection unit, a control unit, a proportion amplification plate, a load sensitivity type proportion reversal valve group and an execution unit, wherein the control unit comprises a PCC (programmable computer controller), an intelligent operation control panel, a remote controller and a machine body operating handle; and heading machine memory cutting comprises a manual demonstration process and a memory automatic cutting process. The method comprises the following steps that: firstly, a heading machine driver utilizes the remote controller or the machine body operating handle to operate the heading machine to cut once according to a top plate and a bottom plate of a coal seam and the coal rock distribution condition, and an airborne computer control system records information a demonstration path detected by the detection unit; and then the recorded keypoint data is subjected to path matching and intelligent optimization, a control signal is sent to the execution unit according to the path after optimizing, so that a cutting head is automatically controlled to move along a demonstration track, and the memory automatic cutting is performed. The heading machine memory cutting control system is also provided with a boundary control function in the whole memory cutting process, and the tunnel shaping quality when the manual cutting and memory automatic cutting are performed is ensured. The heading machine memory cutting control system and the method of the heading machine memory cutting control system provide a new control means for heading of a coal road boom-type roadheader under the condition with stable surrounding rock of roadway.

Description

technical field [0001] The invention relates to a cantilever roadheader in the field of coal roadway machinery, in particular to a roadheader memory cutting control system and method thereof. Background technique [0002] Domestic coal and semi-coal rock roadway excavation generally adopts cantilever type roadheader, which is the core equipment of underground comprehensive excavation work. This type of roadheader has the advantages of good maneuverability, can cut any section, and high efficiency. [0003] There are two ways of cantilever roadheader cutting operation, manual cutting and automatic cutting. The manual cutting method means that the driver manually manipulates several handles on the hydraulic valve, and manually controls the movement speed, movement range, and start-stop sequence of the lifting cylinder and the rotary cylinder, so as to realize a certain rotation and lifting action of the cutting cantilever, and finally cuts Cut out a roadway section that meets...

AI Technical Summary

Problems solved by technology

Its disadvantages are: the labor intensity of workers is high, the working conditions are bad, the work efficiency is low, the quality of section cutting is low, and the requirements for the driver's operating level are relatively high.

Its disadvantages are: the operation mode is not flexible, it is more suitable for the tunneling operation of coal roadway, but it is not adaptable to the working conditions under other conditions

However, due to the large differences in the body structure and working mode of the shearer and the roadheader, and there is no more practical solution, it cannot be used for reference on the roadheader.

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