Multi-stage operating speed adjusting device and method under automatic cutting mode of coal cutter

• Main Authors: ZHANG YULIANG, LIU DONGHANG, REN PENGFEI, ZHAO YOUJUN, DANG JINGFENG, LIU GENG, LEI GUISHENG, ZHAO YIHUI, LIU ZHIMING, TIAN JIANGWEI
• Format: Patent
• Language: Chinese; English
• Published: 06.07.2018
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; MINING OR QUARRYING

The invention discloses a multi-stage operating speed adjusting device and method under an automatic cutting mode of a coal cutter. The multi-stage operating speed adjusting device comprises a coal cutter control module and a handheld-type adjusting module. The handheld-type adjusting module comprises a handheld controller, a speed input key, a liquid crystal display, an alarming module and a first indicator lamp. The coal cutter control module comprises a coal cutter controller, a second wireless receiving and transmitting module and a storage. The input end of the coal cutter controller is connected with a speed detecting module, a traveling direction detecting module, a position detecting module and a speed threshold value input key module, and the output end of the coal cutter controller is connected with a coal cutter traveling motor and a second indicator lamp. The multi-stage operating speed adjusting method comprises the following steps of 1, detection for the current positionof the coal cutter; 2, ju