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CN-224228726-U - Colliery exploitation safety monitoring early warning device

CN224228726UCN 224228726 UCN224228726 UCN 224228726UCN-224228726-U

Abstract

The utility model provides a coal mining safety monitoring and early warning device, which belongs to the technical field of coal mining safety monitoring and comprises a fixing plate, an alarm and a gas detector, wherein a fixing frame is arranged at the top of the fixing plate, a dust box is arranged on the fixing frame, an air inlet and an air outlet are respectively formed in two side surfaces of the dust box, a fan connected with the dust box is arranged at the air inlet, the alarm is fixed on the top surface of the dust box, the gas detector is fixed in the dust box, the air inlet and the air outlet are respectively connected with connecting pipes, one end of each connecting pipe, far away from the dust box, is connected with a mounting block, a through groove is formed in the mounting block, a mounting groove is formed in the top of the mounting block, a mounting plate is arranged in the mounting groove, and a filter screen is arranged on the mounting plate. The utility model can realize high-efficiency dust removal, flexible movement, continuous power supply and element protection through the design of dust prevention, movable support, power supply and protection, and ensure accurate monitoring.

Inventors

  • XU XIAOYAN
  • ZHANG LONGBAO
  • Ma Xinshun
  • WANG YANBING

Assignees

  • 鄂托克前旗长城煤矿有限责任公司

Dates

Publication Date
20260512
Application Date
20250625

Claims (8)

  1. 1. The coal mining safety monitoring and early warning device comprises a fixed plate (1), an alarm (2) and a gas detector (205), and is characterized in that a fixed frame (201) is arranged at the top of the fixed plate (1), a dust box (202) is arranged on the fixed frame (201), an air inlet (203) and an air outlet (204) are respectively formed in two side faces of the dust box (202), a fan (701) connected with the dust box (202) is arranged at the air inlet (203), the alarm (2) is fixed on the top face of the dust box (202), the gas detector (205) is fixed in the dust box (202), connecting pipes (206) are respectively connected to the air inlet (203) and the air outlet (204), one end, far away from the dust box (202), of each connecting pipe (206) is connected with a mounting block (207), a through groove (208) communicated with the connecting pipe (206) is formed in the mounting block (207), a mounting groove (209) is formed in the top of the mounting block (207), and the inner cavity (301) is arranged in the mounting block (3).
  2. 2. The coal mining safety monitoring and early warning device according to claim 1, wherein a positioning block (302) is arranged at the top of the mounting block (207), a slot (303) is formed in one side, close to the dust box (202), of the positioning block (302), an inserting block (304) is movably connected to the inside of the slot (303), a movable column (305) is connected to one side, close to the dust box (202), of the inserting block (304), a fixed column (306) is connected to the outer side of the movable column (305) in a sliding mode, one end, far away from the movable column (305), of the fixed column (306) is connected with the dust box (202), a spring (308) is arranged in an inner hole (307) of the fixed column (306), one end of the spring (308) is connected with the movable column (305) extending to the inner hole (307), and the other end of the spring (308) is connected with the inner hole (307).
  3. 3. The coal mining safety monitoring and early warning device according to claim 2, wherein a displacement groove (309) is formed in the outer wall of the fixed column (306), a displacement block (310) is connected inside the displacement groove (309) in a sliding mode, the top of the displacement block (310) is connected with a moving column (305) extending to the inner portion of the inner hole (307), a shielding plate (311) is connected to the bottom of the displacement block (310), the shielding plate (311) is located on the outer side of the displacement groove (309) and is in sliding contact with the outer wall of the fixed column (306), so that a sealing structure of the displacement groove (309) can be formed, a connecting groove (312) corresponding to the shielding plate (311) is formed in the dust box (202), and the shielding plate (311) is connected with the connecting groove (312) in a sliding mode.
  4. 4. The coal mining safety monitoring and early warning device according to claim 1, wherein a storage battery (6) arranged inside a fixing frame (201) is arranged at the top of the fixing plate (1), a charging port (601) is formed in the storage battery (6), and the storage battery (6) is located below a dust box (202).
  5. 5. The coal mining safety monitoring and early warning device according to claim 1, wherein a protective top plate (5) is arranged above the dust box (202), and the protective top plate (5) is fixed on the fixed plate (1) through a supporting column (501).
  6. 6. The coal mining safety monitoring and early warning device according to claim 1, wherein a plurality of adjusting screws (8) are connected to the fixing plate (1) in a threaded mode, the adjusting screws (8) penetrate through the fixing plate (1), and positioning cones (801) are arranged at the bottom ends of the adjusting screws (8).
  7. 7. The coal mining safety monitoring and early warning device according to claim 1, wherein a handle (9) is arranged on one end, close to the air inlet (203), of the fixed plate (1).
  8. 8. The coal mining safety monitoring and early warning device according to claim 1, wherein a plurality of universal wheels (7) are arranged at the bottom of the fixed plate (1).

Description

Colliery exploitation safety monitoring early warning device Technical Field The utility model relates to the technical field of coal mine production safety monitoring, in particular to a coal mine exploitation safety monitoring and early warning device. Background In the production process of the coal mine, various dangerous factors exist, such as gas explosion, coal dust explosion, water permeability, fire disaster, roof accidents and the like, and once the accidents occur, serious casualties and property loss are often caused, so that the safety monitoring of the working area of the coal mine is generally required for ensuring the safety production of the coal mine. At present, a worker usually selects a gas detector to detect the gas concentration in a working coal mine so as to ensure enough safety of a working area, but because dust in the working area of the coal mine is large, dust is easily accumulated on the surface of the gas detector in the use process of the gas detector, and the gas detector is easily seriously influenced after long-time use, so that detection data is inaccurate, and the practicability is reduced. Among the prior art, the chinese patent of bulletin number CN221400665U of authorizing discloses a warning display device that transfinites of gas concentration detection in pit, including detecting the shell, detect the equal fixedly connected with otic placode of both sides below of shell, detect the front side below of shell and be provided with the gas collection mouth, the inside of gas collection mouth is provided with two external shells, the inside of detecting the shell is provided with the cavity, the sensor is installed to the inside front side of cavity, the induced air case is installed to the inside rear side below of cavity, the equal fixedly connected with otic placode of one side that separates of two external shells is two, the equal fixedly connected with filter screen of the front side of two external shells, two the rear side of filter screen all is provided with the fishplate bar. Although the device can realize dust blocking and cleaning through the cooperation of the filter screen and the cleaning brush, in the actual use process, the device still has the defects that firstly, the device is required to manually pull the handle to drive the cleaning brush to slide, the operation is complicated, the cleaning effect is influenced by human factors, the device is difficult to adapt to the continuous operation requirement under the high-dust environment, secondly, the device is fixedly installed, the position cannot be flexibly adjusted according to the advancing of tunneling operation, and the device lacks effective protective measures, is easily damaged in the scenes such as underground heavy object falling, and thirdly, the device depends on an external power supply, is difficult to wire in a complex roadway, has insufficient cruising ability and restricts the continuity and reliability of monitoring. Disclosure of utility model The utility model aims to overcome the defects of complex operation and poor adaptability of the existing detection alarm device and provide a coal mining safety monitoring and early warning device. The coal mining safety monitoring and early warning device comprises a fixing plate, an alarm and a gas detector, wherein a fixing frame is arranged at the top of the fixing plate, a dust box is arranged on the fixing frame, an air inlet and an air outlet are respectively formed in two side faces of the dust box, a fan connected with the dust box is arranged at the air inlet, the alarm is fixed on the top face of the dust box, the gas detector is fixed in the dust box, connecting pipes are respectively connected to the air inlet and the air outlet, one end of each connecting pipe, far away from the dust box, is connected with a mounting block, through grooves communicated with the connecting pipes are formed in the mounting blocks, mounting grooves are formed in the tops of the mounting blocks, mounting plates are detachably arranged in the mounting grooves, and filter screens corresponding to inner cavities of the connecting pipes are arranged on the mounting plates. The device can accelerate air flow through active ventilation of the fan, so that gas detection efficiency is greatly improved, workers can clean dust regularly through the detachable design of the filter screen and the mounting plate, detection accuracy is prevented from being influenced by blockage, and meanwhile, the dust box isolates the gas detector, interference of dust on internal elements can be reduced, and detection data accuracy is guaranteed. The dust-proof mounting device is characterized in that a positioning block is arranged at the top of the mounting block, a slot is formed in one side, close to the dust-proof box, of the positioning block, an inserting block is movably connected in the slot, a movable column is connected to one side, close to the dust-proof box,