Comprehensive test system and test method for coal body crushing and dust production characteristics of heading machine

By designing a comprehensive test system for crushing and dust production characteristics of the boring machine, the problem that the existing technology cannot fully simulate the actual working conditions of the boring machine cutting coal and test crushing and dust production characteristics at the same time is solved, and the quantitative analysis of dust particle size and compressive strength of the coal is achieved, providing a basis for dust prevention and control and process optimization.

CN120177197APending Publication Date: 2025-06-20CHINA UNIV OF MINING & TECH
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Patent Information

Application Number
CN202510224854.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-06-20

AI Technical Summary

Technical Problem

The existing technology cannot fully and accurately simulate the actual working conditions of the boring machine when cutting coal in coal mining, and cannot test the crushing and dust production characteristics of the coal body at the same time, making it difficult to achieve dust prevention and control and optimization of the boring process.

Method used

A comprehensive testing system for crushing and dust-producing characteristics of the boring machine is designed, including a cutting device, a confining pressure loading device, a vibration screening device and a dust collection and analysis device. Through these devices, the cutting process of the boring machine can be simulated, the dust particle size and the compressive strength of the coal are measured, and the comprehensive analysis is carried out.

Benefits of technology

The system can comprehensively simulate actual working conditions, quantify and analyze the particle size of the cut dust, and measure the compressive strength of the coal body, provide a basis for dust prevention and control and optimization of the excavation process, reduce the cutting dust production strength, and improve cutting efficiency.

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Abstract

The invention discloses a comprehensive test system for coal crushing and dust production characteristics of a heading machine, which comprises a bracket, a cutting device connected above the bracket, a confining pressure loading device connected to the power output end of the cutting device, a uniaxial compression device connected to the outer side of the confining pressure loading device above the bracket, a vibrating screening device corresponding to the confining pressure loading device is arranged below the support, a placing plate is connected to the support and located below the cutting device, and a main control box and a dust collecting and analyzing device connected with the vibrating screening device are arranged on the placing plate; and the main control box is connected with and controls the cutting device, the confining pressure loading device, the single-shaft compression device, the vibration screening device and the dust collecting and analyzing device. The device can comprehensively simulate actual working conditions, not only can cut the coal body and quantitatively analyze the particle size of cut dust, but also can measure the compressive strength of the coal body, and provides a basis for dust prevention and control and tunneling process optimization in coal mining.
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