Self-adapting speed regulating device for tunnel boring machine

Abstract

The invention discloses a self-adapting speed regulating device for a tunnel boring machine, which comprises a cutting part (1) and an electric control system (7), wherein the cutting part (1) comprises a speed reduction unit (13) and a double-speed cutting motor (15), the electric control system comprises a switch cabinet (20) and an operating box (19), a torque sensor (14) is arranged between the speed reduction unit and the double-speed cutting motor, and the torque sensor (14) is electrically connected with the controller of the switch cabinet (20). According to the real-time measurement values of the torque sensor and the real-time power values of the double-speed cutting motor, the electric control system completes the self-adapting regulation of low-speed under-load acceleration, high-speed overload deceleration and low-speed overload protection, so as to adapt to the continuous tunneling coal mining operation and increase the work efficiency and economic value of the tunnel boring machine. The output torque and output power of the cutting motor are monitored in real time, so that the cutting motor can work more reliably and stably.

Description

technical field [0001] The invention relates to a roadheader, in particular to an adaptive speed regulating device for the roadheader, which solves the continuous mining task of the roadheader. Background technique [0002] At present, domestic and foreign roadheaders are operated in a traditional way, and are directly operated by manual methods. The disadvantage is that the operator of the roadheader judges the overload and underload of the cutting motor based on experience, adjusts the operation of the high-speed and low-speed cutting motor, and the time interval between high-speed and low-speed cutting is too long, which is not conducive to continuous mining. It will cause waste of resources, and excessive overload will seriously damage the cutting motor. For this disadvantage, the self-adaptive speed regulating device designed by the present invention can solve the problems of continuous mining, under-load waste, and overload damage to the motor, so as to maximize work ...

AI Technical Summary

Problems solved by technology

The disadvantage is that the operator of the roadheader judges the overload and underload of the cutting motor based on experience, and adjusts the operation of the high-speed and low-speed cutting motor. The time interval between high-speed and low-speed cutting is too long, which is not conducive to continuous mining. It will cause waste of resources, and excessive overload will seriously damage the cutting motor

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