Detection device for detecting thickness of bottom coal of coal seam

The utility model discloses a detection device for detecting the thickness of bottom coal in a coal seam. The detection device comprises a hydraulic driving assembly, a sliding rail assembly and a detection assembly, the detection assembly is arranged on the slide rail assembly and can axially move on the slide rail assembly; the hydraulic driving assembly is in driving connection with the detection assembly. According to the scheme, the hydraulic system drives the detection device to directly drill into the bottom coal seam to detect the bottom coal thickness, the structure is simple and compact, and the detection accuracy of the detection device can be greatly improved. 本实用新型公开了一种用于探测煤层底煤厚度的探测装置，包括液压驱动组件，滑轨组件以及探测组件；所述探测组件设置于滑轨组件上，可在滑轨组件上进行轴向移动；所述液压驱动组件驱动连接探测组件。本方案通过液压系统驱动探测装置直接钻进底部煤层进行底煤厚度的探测，其结构简单紧凑，能够大大提高探测装置的探测精确度。