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CN-224200685-U - Colliery is with regulation formula window

CN224200685UCN 224200685 UCN224200685 UCN 224200685UCN-224200685-U

Abstract

The utility model provides an adjusting type wind window for a coal mine, which belongs to the technical field of mine ventilation and comprises a frame body and a plurality of louver blades, wherein the louver blades are uniformly arranged in a hollow cavity of the frame body through rotating shafts, one end of each rotating shaft is provided with an adjusting gear, the adjusting gears are connected with an adjusting rack in a meshed mode, the adjusting racks are connected with a sliding mechanism, one side of the frame body is provided with a servo motor, the output end of the servo motor is connected with a transmission mechanism, the transmission mechanism is connected with one rotating shaft, the transmission mechanism comprises a plum blossom shaft coupling, a corner device, a pin coupling and a speed reducer, the output end of the servo motor is connected with the speed reducer, the speed reducer is connected with the corner device through the pin coupling, and the corner device is connected with one end of the rotating shaft through the plum blossom shaft coupling. According to the utility model, through the design of the transmission mechanism and the sliding mechanism, the transmission efficiency can be effectively improved, the accurate adjustment of the ventilation quantity can be realized, and the device is safe, reliable, efficient and energy-saving.

Inventors

  • PAN GUANGHONG
  • CHEN XIUXIU
  • LI QIAN
  • LI XIANGMENG
  • REN PEILONG

Assignees

  • 山东金科星机电股份有限公司

Dates

Publication Date
20260505
Application Date
20250620

Claims (8)

  1. 1. The utility model provides an adjustable window for coal mine, includes frame body (1) and a plurality of tripe piece (2), its characterized in that, a plurality of tripe piece (2) evenly set up in inside cavity (101) of frame body (1) through rotation axis (5) respectively, the both ends of rotation axis (5) rotate with the lateral wall of cavity (101) respectively and are connected, just one end of rotation axis (5) is provided with adjusting gear (6), adjusting gear (6) meshing is connected with adjusting rack (601), adjusting rack (601) are connected with slide mechanism, slide mechanism sets up in the inside of cavity (101), one side of frame body (1) is provided with servo motor (13), the output of servo motor (13) is connected with drive mechanism, drive mechanism is connected with one of them rotation axis (5), drive mechanism includes plum blossom shaft coupling (9), corner connector (10), pin coupling (11) and speed reducer (12), the output of servo motor (13) is connected with speed reducer (12) phase, plum blossom joint (10) are connected with one of them rotation axis (10) through corner connector (10).
  2. 2. The adjustable wind window for coal mines according to claim 1, wherein the sliding mechanism comprises a sliding rail (7) and a sliding block (8), the sliding rail (7) is arranged inside the hollow cavity (101), the sliding block (8) is in sliding connection with the sliding rail (7), and the adjusting rack (601) is connected with the sliding block (8).
  3. 3. An adjustable wind window for coal mines according to claim 2, wherein the number of the sliding blocks (8) is several, the sliding blocks (8) are uniformly arranged, and the sliding blocks (8) are connected with the adjusting rack (601) together.
  4. 4. The adjustable wind window for the coal mine according to claim 1, wherein the servo motor (13) is electrically connected with a PLC control box (15), the PLC control box (15) is electrically connected with a sensor unit (14) for measuring wind parameters, and the PLC control box (15) can generate control signals according to data operation of the sensor unit (14) so as to drive the servo motor (13) to adjust the opening angle of the louver (2) through a transmission mechanism, an adjusting gear (6) and an adjusting rack (601).
  5. 5. An adjustable wind window for coal mines according to claim 4, wherein the sensor unit (14) comprises a wind volume and direction sensor and a gas concentration sensor for respectively monitoring real-time wind volume, wind direction and gas concentration in the tunnel.
  6. 6. An adjustable wind window for coal mines according to claim 1, wherein a protective housing (4) is arranged outside the servo motor (13) and the transmission mechanism, and the protective housing (4) is arranged on one side of the frame body (1).
  7. 7. An adjustable wind window for coal mines according to claim 6, wherein the protective housing (4) is provided with a cable waterproof joint (3) for connecting electric wires.
  8. 8. The adjustable wind window for coal mines according to claim 7, wherein two cable waterproof joints (3) are symmetrically arranged at the top of the protective shell (4).

Description

Colliery is with regulation formula window Technical Field The utility model relates to the technical field of mine ventilation, in particular to an adjustable air window for a coal mine. Background The mine ventilation system is a 'life line' for coal mine safety production, and has the core functions of effectively reducing gas concentration, diluting dust and improving operation environment temperature by reasonably regulating and controlling tunnel air quantity. Along with the promotion of intelligent mine construction, traditional mode that relies on manual actual measurement data manual regulation wind window to open size exposes to the public defect such as adjusting hysteresis, precision inadequacy, degree of automation low. For example, manual adjustment cannot respond to gas concentration fluctuation in real time, potential safety hazards are easily caused by partial ventilation insufficiency, and traditional pneumatic control can realize partial automation, but lacks dynamic sensing and closed-loop control capability of environmental parameters, so that the accurate ventilation requirement of 'fixed yield by wind' is difficult to meet. In addition, the mine environment has the characteristics of high dust, strong moisture, inflammability, explosiveness and the like, strict requirements are put on the reliability and the protection of ventilation equipment, and the traditional technical scheme also has obvious short plates in the aspects of stability and safety. In the prior art, china patent with the application publication number of CN105840072A discloses a full-intelligent automatic shutter, which comprises a window frame and intelligent blades, wherein a rack is arranged in the window frame, the window frame is of an integrated hollow structure, two ends of the rack are respectively connected with a small motor and a gear, the small motor, the rack and the gear are all installed in an inner cavity of the window frame, screw caps are installed on the gears, two ends of the intelligent blades are installed on rotating shafts, the rotating shafts are fixedly welded with the intelligent blades, the rotating shafts are connected with the gears inside the window frame through the screw caps, and a photosensitive resistor, a humidity sensor and a control circuit board are further arranged on the intelligent blades. Although the shutter realizes automatic adjustment through the photoresistor, the humidity sensor and the gear rack transmission, in the actual use process, the shutter still has the defects that the motor only adopts a simple gear rack transmission structure, lacks a guiding and damping design, has insufficient transmission precision to meet the fine control requirement of ventilation quantity, cannot cover key parameters (such as air quantity, wind pressure and gas concentration) required by mine ventilation due to sensor configuration (illumination and humidity), cannot provide effective data support for ventilation quantity adjustment, and has difficulty in coping with complex scenes of multi-parameter coupling (such as air quantity and gas concentration linkage control) in mine ventilation due to simple illumination and angle single closed-loop adjustment. Disclosure of utility model The utility model aims to overcome the defects of simple transmission structure, lower transmission precision and poor ventilation quantity adjusting effect of the existing shutter and provide an adjusting type air window for a coal mine. The adjustable wind window for the coal mine comprises a frame body and a plurality of louver blades, wherein the louver blades are uniformly arranged in a hollow cavity of the frame body through rotating shafts, two ends of the rotating shafts are respectively connected with the side wall of the hollow cavity in a rotating mode, an adjusting gear is arranged at one end of each rotating shaft, the adjusting gear is connected with an adjusting rack in a meshed mode, the adjusting rack is connected with a sliding mechanism, the sliding mechanism is arranged in the hollow cavity, one side of the frame body is provided with a servo motor, the output end of the servo motor is connected with a transmission mechanism, the transmission mechanism is connected with one rotating shaft, the transmission mechanism comprises a plum blossom coupler, a corner coupler, a pin coupler and a speed reducer, the output end of the servo motor is connected with the speed reducer through the pin coupler, and the corner coupler is connected with one end of the rotating shaft through the plum blossom coupler. The wind window reduces the rotation speed of the motor through the speed reducer, improves the torque lifting, meets the starting requirement of underground high load, and can stably adjust the louver under the condition of higher roadway wind speed. And the pin coupling and the plum blossom coupling have the damping and buffering functions, so that the influence of motor vibration on a tran