Performance testing method of section monitoring system of cantilever excavator

Abstract

The invention belongs to the technical field of coal mining devices as well as detection and testing and in particular relates to a performance testing method of a section monitoring system of a cantilever excavator. The invention is to test and calibrate the performance of the section monitoring system of the traditional excavator. According to the invention, the method comprises the following steps of: establishing a reference; establishing a virtual laneway; defining the external curved plane of a cutting head; figuring out a spatial position of the external curved plane of the cutting head at the section contour; figuring out a tangent point; forming an actual section contour; and evaluating the molding accuracy of the section contour within a section (projection plane) vertical to the axis direction of the laneway so as to finish the section monitoring performance evaluation of the angular deviation, the positional deviation and the shape deviation of the actual section contour relative to a design section contour. The performance testing method of the section monitoring system of the cantilever excavator, provided by the invention, has the following advantage that: the cutting head is only guided by the section monitoring system to finish the section scanning so as to carry out inspection according to the section contour design parameters without cutting a one-off false coal wall with high cost.

Description

technical field [0001] The invention belongs to the technical field of coal mining equipment, detection and testing, and particularly relates to a performance testing method for a section monitoring system of a cantilever roadheader. Background technique [0002] The section monitoring system refers to the detection and calculation of the real-time spatial position of the cutting head relative to the roadheader body or roadway and other benchmarks during the section cutting process by a specific method, which is used to assist or replace manual real-time monitoring of the cutting head in the roadway section. The relative position of the roadway, avoiding over-cutting or under-cutting, so as to cut out the equipment and technology of the roadway section profile that conforms to the design parameters. [0003] The significance of applying the section monitoring system is that the roadheader operator does not need to observe the light spot of the laser pointer on the road...

AI Technical Summary

Problems solved by technology

[0004] The section monitoring technology of the roadheader is one of the key technologies to realize the automatic cutting of the roadheader, so it has become a research hotspot inside and outside the industry. It has been equipped on some imported roadheaders, and most domestic roadheader manufacturers are also actively in various ways. Develop related technologies and equipment, but there is currently no complete and credible performance evaluation system and inspection method for cross-section monitoring technologies and equipment based on different principles

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