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CN-121993235-A - Roadway roof separation early warning and active supporting linkage device

CN121993235ACN 121993235 ACN121993235 ACN 121993235ACN-121993235-A

Abstract

The invention discloses a roadway roof separation early warning and active supporting linkage device, which relates to the technical field of supporting devices, the device comprises a bottom plate and a supporting plate, wherein the supporting plate is arranged above the bottom plate, and height adjusting mechanisms are symmetrically arranged between the bottom plate and the supporting plate. This tunnel roof separation early warning and initiative support aggregate unit gathers tunnel roof interval data through distance sensor in real time, combine intelligent control module to realize real-time processing and threshold value judgement of data, when the roof appears separating layer and data surpass the threshold value of predetermineeing, but intelligent control module automatic control electro-magnet magnetic pole switching-over accomplishes spacing unblock, synchronous trigger driving motor starts, promote the backup pad to upwards move through power unit and altitude mixture control mechanism and realize initiative support, until roof interval resumes to predetermineeing the fixed value, whole closed loop linkage that realizes no manual intervention, response and the support time that will roof separation shorten by a wide margin.

Inventors

  • SHAO ZHUJUN
  • WEI WENJIE
  • SANG YUANHU
  • XU FUQIANG
  • GAO LONG

Assignees

  • 枣庄矿业集团高庄煤业有限公司

Dates

Publication Date
20260508
Application Date
20260316

Claims (10)

  1. 1. The roadway roof separation early warning and active supporting linkage device comprises a bottom plate (1) and a supporting plate (2), wherein the supporting plate (2) is arranged above the bottom plate (1), and is characterized in that height adjusting mechanisms (3) are symmetrically arranged between the bottom plate (1) and the supporting plate (2), an adjusting box (4) is fixedly arranged on the bottom plate (1), a power mechanism (5) for driving the height adjusting mechanisms (3) to operate is arranged in the adjusting box (4), a supporting frame (6) is fixedly arranged on the adjusting box (4), and a distance sensor (8) is fixedly arranged at the top of the supporting frame (6); a limiting component (7) for locking the position of the height adjusting mechanism (3) is arranged in the supporting frame (6); The height adjusting mechanism (3) comprises adjusting columns (301) symmetrically and fixedly arranged at the bottom of the supporting plate (2), adjusting screw rods (302) are arranged in the adjusting columns (301) in a penetrating mode, and the bottom ends of the adjusting screw rods (302) penetrate through the top wall of the adjusting box (4) and are rotatably arranged with the inner surface of the top wall of the adjusting box.
  2. 2. The roadway roof separation early warning and active supporting linkage device according to claim 1, wherein the supporting plate (2) is provided with a through hole (201) for measuring by the distance sensor (8).
  3. 3. The roadway roof separation early warning and active supporting linkage device according to claim 1, wherein a connecting block (303) is fixedly arranged at the bottom of the adjusting column (301), a sliding block (304) is fixedly arranged on one side of the connecting block (303), a sliding groove (305) is formed in the outer side of the supporting frame (6), and the outer surface of the sliding block (304) and the inner surface of the sliding groove (305) are arranged in a sliding mode.
  4. 4. The roadway roof separation early warning and active supporting linkage device according to claim 3, wherein the outer surfaces of the two adjusting screws (302) are connected through belt transmission; The power mechanism (5) comprises a driven toothed ring (501) fixedly arranged at the bottom end of one adjusting screw (302), a driving motor (502) is fixedly arranged in the adjusting box (4), a driving shaft (503) is fixedly arranged on an output shaft of the driving motor (502) through a coupler, a driving toothed ring (504) is slidably arranged on the outer surface of the driving shaft (503), and the driving toothed ring (504) is meshed with the driven toothed ring (501).
  5. 5. The roadway roof separation early warning and active supporting linkage device according to claim 4, wherein a connecting spring (505) is fixedly sleeved on the outer surface of the driving shaft (503), and the top end of the connecting spring (505) is fixedly connected with the bottom of the driving toothed ring (504).
  6. 6. The roadway roof separation early warning and active supporting linkage device according to claim 1, wherein the limiting assembly (7) comprises limiting blocks (701) symmetrically arranged inside the supporting frame (6) in a sliding mode, a plurality of limiting grooves (702) are formed in one side of the adjusting column (301) opposite to the supporting frame (6), and the outer surfaces of the limiting blocks (701) are clamped with the inner surfaces of the limiting grooves (702).
  7. 7. The roadway roof separation early warning and active supporting linkage device according to claim 6, wherein mounting grooves (703) are symmetrically formed in the supporting frame (6), limiting blocks (701) are arranged in the mounting grooves (703) in a penetrating and sliding mode, magnetic blocks (704) are fixedly arranged on one sides, away from the adjusting columns (301), of the limiting blocks (701), and electromagnets (705) are fixedly arranged on the inner portions, close to the distance sensors (8), of one sides of the mounting grooves (703).
  8. 8. The roadway roof separation early warning and active supporting linkage device according to claim 7, wherein a starting switch (9) is embedded on one side, close to the electromagnet (705), of the magnetic block (704), the starting switch (9) is electrically connected with the electromagnet (705) and the driving motor (502), and the distance sensor (8) is electrically connected with the electromagnet (705).
  9. 9. The roadway roof separation early warning and active supporting linkage device according to claim 8, wherein the intelligent control module, the data transmission module and the data storage module are integrated on the supporting frame (6), the distance sensor (8), the electromagnet (705), the driving motor (502) and the starting switch (9) are electrically connected with the intelligent control module, the intelligent control module is respectively in bidirectional communication with the data transmission module and the data storage module, and the data transmission module is in wireless communication with the remote monitoring terminal.
  10. 10. The roadway roof separation early warning and active supporting linkage device according to claim 9, wherein when the detection value of the distance sensor (8) is a preset fixed value, the intelligent control module controls the electromagnet (705) to be the same as the magnetic pole of the magnetic block (704), the limiting block (701) is matched with the limiting groove (702) in a clamping way, the driving motor (502) is in a closed state, and the distance sensor (8) processes roof spacing data acquired in real time through the intelligent control module and then synchronously transmits the roof spacing data to the data storage module for local storage and transmits the roof spacing data to the remote monitoring terminal through the data transmission module; When the detection value of the distance sensor (8) changes and exceeds a preset threshold value, the distance sensor transmits an abnormal electric signal to the intelligent control module, the intelligent control module firstly controls the magnetic pole of the electromagnet (705) to change direction, so that the magnetic poles of the electromagnet (705) and the magnetic block (704) are opposite, the electromagnet (705) adsorbs the magnetic block (704) and drives the limiting block (701) to be separated from the limiting groove (702), the magnetic block (704) extrudes the starting switch (9) in the moving process of the electromagnet (705), the starting switch triggers the intelligent control module to send a starting instruction to the driving motor (502), and the driving motor (502) drives the height adjusting mechanism (3) to operate and pushes the supporting plate (2) to move upwards through the power mechanism (5) until the detection value of the distance sensor (8) is restored to a preset fixed value.

Description

Roadway roof separation early warning and active supporting linkage device Technical Field The invention relates to the technical field of supporting devices, in particular to a roadway roof separation early warning and active supporting linkage device. Background In the process of excavating and serving the underground engineering roadway, the roof is easily subjected to safety accidents such as separation, sinking and even collapse due to factors such as geological structure, ground stress change, surrounding rock looseness and the like, the roadway is damaged, the life safety of construction and operation and maintenance personnel is seriously threatened, and therefore real-time monitoring and timely supporting of the roadway roof are core links of underground engineering safety control. The existing roadway roof supporting device is mainly of a passive supporting structure, static supporting can be achieved only through a fixing support, an anchor rod and the like, the roof separation state cannot be monitored in real time, early warning is difficult to achieve when the roof is slightly separated from the layers, manual intervention is often conducted after deformation is intensified, the best supporting time is missed, supporting equipment with a monitoring function can achieve detection of the roof spacing, the monitoring and supporting ring sections are independent, the supporting mechanism is required to be operated manually according to monitoring data, response speed is low, manual operation is easily affected by field environment and operation experience, and supporting accuracy and timeliness are difficult to guarantee. Meanwhile, the height adjusting mechanism of the existing supporting equipment lacks reliable limit and overload protection design, the driving motor is easy to overtravel and lift, the supporting structure is easy to cause supporting failure and mechanical damage of a transmission part, most of equipment has no intelligent data interaction and storage functions, monitoring data can be only checked locally, remote monitoring and data tracing cannot be realized, and the integral and intelligent management of the state of a roadway roof is not facilitated. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a roadway roof separation early warning and active supporting linkage device, which solves the problems in the background art. The roadway roof separation early warning and active supporting linkage device comprises a bottom plate and a supporting plate, wherein the supporting plate is arranged above the bottom plate, height adjusting mechanisms are symmetrically arranged between the bottom plate and the supporting plate, an adjusting box is fixedly arranged on the bottom plate, a power mechanism for driving the height adjusting mechanisms to operate is arranged in the adjusting box, a supporting frame is fixedly arranged on the adjusting box, and a distance sensor is fixedly arranged at the top of the supporting frame; a limiting component for locking the position of the height adjusting mechanism is arranged in the supporting frame; The height adjusting mechanism comprises adjusting columns which are symmetrically and fixedly arranged at the bottom of the supporting plate, adjusting screws are arranged in the adjusting columns in a penetrating mode, and the bottom ends of the adjusting screws penetrate through the top wall of the adjusting box and are rotatably arranged with the inner surface of the adjusting box. Preferably, the supporting plate is provided with a through hole for measuring by the distance sensor. Preferably, the bottom of adjusting the post is fixed and is provided with the connecting block, one side of connecting block is fixed and is provided with the sliding block, the sliding tray has been seted up in the outside of support frame, wherein, the surface of sliding block and the interior surface slip setting of sliding tray. Preferably, the outer surfaces of the two adjusting screws are in transmission connection through a belt; the power mechanism comprises a driven toothed ring fixedly arranged at the bottom end of one adjusting screw, a driving motor is fixedly arranged in the adjusting box, a driving shaft is fixedly arranged on an output shaft of the driving motor through a coupling, a driving toothed ring is slidably arranged on the outer surface of the driving shaft, and the driving toothed ring is meshed with the driven toothed ring. Preferably, the outer surface of the driving shaft is fixedly sleeved with a connecting spring, and the top end of the connecting spring is fixedly connected with the bottom of the driving toothed ring. Preferably, the limiting assembly comprises limiting blocks symmetrically arranged inside the supporting frame in a sliding mode, a plurality of limiting grooves are formed in one side, opposite to the supporting frame, of the adjusting column, and the outer surfaces of the limiting blo