US 2023/0296376 A1 · SYSTEM AND METHOD FOR DETECTING FULL-LENGTH FLUCTUATION STATE OF SCRAPER CONVEYOR OF FULLY-MECHANIZED COAL MINING WORKING FACE

Abstract

The invention discloses a system and a method for detecting a full-length fluctuation state of a scraper conveyor in a fully-mechanized coal mining working face. The detection system consists of a proximity switch trigger module of the hydraulic support base, a displacement detection module of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor, a calculation module for the fluctuation angle of the middle groove of the single-section scraper conveyor and a full-length fluctuation state output module of the scraper conveyor. Detect the elevation angle α of the push rod of the hydraulic support through the proximity switch trigger module of the hydraulic support base, detect the telescopic amount of the piston rod of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor through the displacement detection module of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor, the calculation module for the fluctuation angle of the middle groove of the single-section scraper conveyor calculates a fluctuation angle of the middle groove of the single-section scraper conveyor; and finally, the output module of the full-length fluctuation state of the scraper conveyor draws a full-length fluctuation curve of the scraper conveyor of the entire working face. The dynamic fluctuation change of a scraper conveyor in the vertical direction of a working face can be effectively monitored, providing a data foundation for subsequent adjustment of a fluctuation degree of the scraper conveyor.

Claims8

Dependent claims

A system for detecting the full-length fluctuation state of a scraper conveyor in a fully mechanized mining face, comprising:

a proximity switch trigger module of the hydraulic support base;
a displacement detection module of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor,
a calculation module for the fluctuation angle of the middle groove of the single-section scraper conveyor, and
an output module of the full-length fluctuation state of the scraper conveyor;
wherein, the proximity switch trigger module of the hydraulic support base includes a proximity switch of the hydraulic support base and a trigger device, and is used to detect the elevation angle of the push rod of the hydraulic support;
wherein, the displacement detection module of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor includes a digital oil cylinder for position and attitude regulation of the single-section scraper conveyor and an internal piston rod detection device, and is used to detect the telescopic amount of the piston rod of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor;
wherein, the calculation module for the fluctuation angle of the middle groove of the single-section scraper conveyor is to calculate the fluctuation angle of the middle groove of the single-segment scraper conveyor by using the displacement detection value of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor and the elevation angle of the push rod of the hydraulic support;
wherein the full-length fluctuation state output module of the scraper conveyor draws the full-length fluctuation curve of the scraper conveyor in the entire working face according to the obtained fluctuation angle of the middle groove of the single-section scraper conveyor, and outputs it to the display for display.

5 more elements

A method for detecting the full-length fluctuation state of a scraper conveyor in a fully mechanized mining face, comprising:

Step S1:
use the displacement detection module of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor, to measure the telescopic length x of the piston rod of the digital oil cylinder;
Step S2:
measure the elevation angle α of the push rod of the hydraulic support through, proximity switch trigger module of the hydraulic support base;
Step S3:
Detect the telescopic length x of the piston rod of the digital oil cylinder through the displacement detection module of the digital oil cylinder for position and attitude regulation of the single-section scraper conveyor, and use the mathematical relationship between the elevation angle θ of the middle groove of the single-segment scraper conveyor relative to the horizontal plane where the push rod of the hydraulic support is located and the telescopic length x of the piston rod of the digital oil cylinder derived by the present invention, to obtain the elevation angle θ of the middle groove of the single-section scraper conveyor relative to the horizontal plane where the push rod of the hydraulic support is located;
Step S4:
Calculate the floating angle β=θα of the middle groove of the single-segment scraper conveyor relative to the bottom plate of the working face;
Step S5:
According to the floating angle β of the middle groove of each section of the scraper conveyor in the working face relative to the bottom plate of the working face, draw the undulating state curve of the entire length of the scraper conveyor in the entire working face.

7 more elements

Dependencies are inferred from the claim text.

System and method for detecting full-length fluctuation state of scraper conveyor of fully-mechanized coal mining working face

Life of this patent

System and method for detecting full-length fluctuation state of scraper conveyor of fully-mechanized coal mining working face

Life of this patent

Abstract

Claims8