Coal mine tunnel safety detection device

• Main Authors: BU WANKUI, XU HUI
• Format: Patent
• Language: Chinese; English
• Published: 27.03.2020
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model discloses a safety detection device for a coal mine roadway. Fixed box, an ultrasonic detector is arranged in the fixed box; a same moving plate is mounted between the inner walls ofthe two sides of the fixed box in a sliding manner; and the top of the moving plate is fixedly connected with the bottom of an ultrasonic detector, a plurality of compression springs are welded between one side of the moving plate and the inner wall of one side of the fixed box, a sliding plate is slidably mounted on the inner wall of the other side of the fixed box, a screw rod is rotatably mounted on one side of the sliding plate, and a first through hole is formed in the inner wall of one side of the fixed box. The utility model has a simple structure, the device is simple in structure andconvenient to operate, the ultrasonic detector can be conveniently fixed to the workbench, the situation that the ultrasonic detector inclines, falls off and is broken from the workbench due to mistaken touch is prevented, th