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CN-224231739-U - Inspection device for monitoring toxic and harmful gas in underground coal mine

CN224231739UCN 224231739 UCN224231739 UCN 224231739UCN-224231739-U

Abstract

The utility model belongs to the technical field of underground gas monitoring, and particularly relates to an inspection device for monitoring toxic and harmful gas in a coal mine, which comprises an annular track, a driving mechanism, a cable wheel, a data acquisition device and a coil spring, wherein the driving mechanism is concentric with the annular track, a detector is assembled on the annular track in a sliding manner, a pull rope is connected between the driving end of the driving mechanism and the detector, the driving mechanism pulls the detector to move along the annular track through the pull rope, the unfolding end of a cable on the cable wheel is connected with the detector, the fixed end of the cable is connected with the data acquisition device, and the coil spring is arranged in the cable wheel so that the cable wheel keeps the trend of winding the cable.

Inventors

  • LI SONG
  • WANG RUNCHAO
  • Wu Yaokai
  • JING XINJUN
  • ZHANG PENGPENG
  • KANG JIE
  • CHEN MINGMING
  • MA WEIJIE
  • ZHAO YONGFEI
  • GUO XIN
  • XING KAI

Assignees

  • 山西晋煤集团技术研究院有限责任公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (9)

  1. 1. The underground coal mine toxic and harmful gas monitoring inspection device is characterized by comprising an annular track (1) and a driving mechanism of which the driving path is concentric with the annular track (1); the annular track (1) is provided with the detector (2) in a sliding manner, a pull rope (3) is connected between the driving end of the driving mechanism and the detector (2), and the driving mechanism pulls the detector (2) to move along the annular track (1) through the pull rope (3); The cable reel (4) is further included, the unfolding end of a cable on the cable reel (4) is connected with the detector (2), the fixed end of the cable is connected with the data acquisition equipment, a coil spring is arranged in the cable reel (4), and the coil spring enables the cable reel (4) to keep the trend of winding the cable.
  2. 2. The underground coal mine toxic and harmful gas monitoring inspection device according to claim 1 is characterized in that the annular rail (1) and the driving mechanism are arranged up and down in a layered mode, the annular rail (1) is arranged under the upper driving mechanism, and the annular rail (1) is larger than the driving path of the driving mechanism.
  3. 3. The underground coal mine toxic and harmful gas monitoring inspection device according to claim 2 is characterized in that an opening of a track groove (1.1) on the annular track (1) is downward, the opening of the track groove (1.1) is narrow, the interior of the track groove widens towards two sides of the opening, a sliding plate (6) is connected to a connecting rod (5) at the top of the detector (2), the sliding plate (6) is slidably nested in the track groove (1.1), and the connecting rod (5) extends into the opening of the track groove (1.1) to be connected with the sliding plate (6).
  4. 4. The underground coal mine toxic and harmful gas monitoring inspection device according to claim 2, wherein the driving mechanism comprises a driving belt wheel (7), a driven belt wheel (8) and a belt (9), the driving belt wheel (7) and the driven belt wheel (8) tension the belt (9), the belt (9) is concentric with the annular track (1), and a dragging node (9.1) on the belt (9) is connected with the pull rope (3).
  5. 5. The underground coal mine toxic and harmful gas monitoring inspection device according to claim 4 is characterized in that the cable wheel (4) is arranged on the rotary seat (11).
  6. 6. The underground coal mine toxic and harmful gas monitoring inspection device according to claim 5 is characterized in that the cable wheel (4) is located in the middle area of the annular track (1).
  7. 7. The underground coal mine toxic and harmful gas inspection device according to claim 4, wherein the driving belt wheel (7) is connected with the pneumatic motor (10).
  8. 8. The underground coal mine toxic and harmful gas monitoring inspection device according to claim 3 is characterized in that balls (6.1) are embedded on the bottom surface of the sliding plate (6), and the sliding plate (6) is in rolling contact with the track grooves (1.1) through the balls (6.1).
  9. 9. The underground coal mine toxic and harmful gas monitoring inspection device according to claim 7 is characterized in that the annular track (1) is fixed at the bottom of a wind-water pipeline (13) through a hanging rod (12) at the top, a supporting seat of a driven belt wheel (8) and a pneumatic motor (10) are arranged at the bottom of the wind-water pipeline (13) through a hanging frame (14), and a cable wheel (4) is arranged at the bottom of the wind-water pipeline (13) through the hanging rod (12) at the top.

Description

Inspection device for monitoring toxic and harmful gas in underground coal mine Technical Field The utility model belongs to the technical field of underground gas monitoring, and particularly relates to a patrol device for monitoring toxic and harmful gas underground a coal mine. Background The gas (CH 4) is the most dangerous inflammable and explosive gas in the coal mine, and the traditional manual inspection has the problems of low efficiency, high personnel safety risk and the like. In Chinese coal mine accidents, the gas explosion ratio exceeds 30 percent (data source: national mine safety supervision bureau). The national coal mine safety regulations clearly require that the underground gas concentration must be monitored in real time, pushing enterprises to seek more efficient automatic monitoring means. The manual portable inspection has the problems of delay of data recording, exposure of personnel to dangerous environments (such as high-concentration gas and collapse risk) and the like. Disclosure of utility model The utility model aims to solve the problems of delay of data recording, exposure of personnel to dangerous environments and the like in underground manual inspection gas. The utility model provides a patrol device for monitoring toxic and harmful gas in a coal mine, which comprises an annular track and a driving mechanism, wherein the driving path of the driving mechanism is concentric with the annular track; The detector is assembled on the annular track in a sliding way, a pull rope is connected between the driving end of the driving mechanism and the detector, and the driving mechanism pulls the detector to move along the annular track through the pull rope; The cable reel is characterized by further comprising a cable reel, wherein the unwinding end of the cable on the cable reel is connected with the detector, the fixed end of the cable is connected with the data acquisition equipment, and a coil spring is arranged in the cable reel and enables the cable reel to keep the trend of winding the cable. Further, the annular track and the driving mechanism are arranged up and down in a layered mode, the annular track is arranged at the upper part and the lower part of the driving mechanism, and the annular track is larger than the driving path of the driving mechanism. Further, the opening of the track groove on the annular track is downward, the opening of the track groove is narrow, the interior of the track groove is widened towards two sides of the opening, the connecting rod at the top of the detector is connected with the sliding plate, the sliding plate is nested in the track groove in a sliding manner, and the connecting rod extends into the opening of the track groove to be connected with the sliding plate. Further, the driving mechanism comprises a driving belt wheel, a driven belt wheel and a belt, the driving belt wheel and the driven belt wheel tension the belt, the belt is concentric with the annular track, and a dragging node on the belt is connected with the pull rope. Further, the cable wheel is mounted on the swivel base. Further, the cable wheel is located in the middle area of the circular track. Further, the driving pulley is connected with the pneumatic motor. Further, the bottom surface of the sliding plate is embedded with balls, and the sliding plate is in rolling contact with the track groove through the balls. Further, the annular track is fixed at the bottom of the wind-water pipeline through a hanging rod at the top, the supporting seat of the driven belt wheel and the pneumatic motor are arranged at the bottom of the wind-water pipeline through hanging brackets, and the cable wheel is arranged at the bottom of the wind-water pipeline through the hanging rod at the top. Compared with the prior art, the utility model has the advantages that: The tour inspection device for monitoring the toxic and harmful gas in the coal mine can help a roadway in the coal mine to realize real-time monitoring and automation of the toxic and harmful gas, provides powerful guarantee for safe production of the coal mine, is small in space occupancy rate, low in cost and simple to assemble and disassemble by means of wind and water pipelines, and can realize reciprocating circulation in the tour inspection range, high frequency and real-time monitoring of the toxic and harmful gas. Drawings FIG. 1 is a schematic top view of a patrol device for monitoring toxic and harmful gases downhole in a coal mine; FIG. 2 is a schematic front view of an inspection device for monitoring toxic and harmful gases in a coal mine; FIG. 3 is a schematic diagram of the connection of the detector to the circular track; fig. 4 is a schematic installation diagram of a patrol device for monitoring toxic and harmful gases in a coal mine. In the figure, the device comprises a 1-annular track, a 1.1-track groove, a 2-detector, a 3-stay rope, a 4-cable wheel, a 5-connecting rod, a 6-sliding plate, a 6.1-ball,