Monitoring and early warning device for coal mine roadway tunneling

Abstract

The utility model discloses a monitoring and early warning device for coal mine tunnel tunneling. The monitoring and early warning device comprises a base, a plurality of supporting rods and a plurality of supporting rods, the echo receiver is arranged at the bottom of the base; the shell is fixedly mounted on the base; the monitoring analysis module is arranged on the inner wall of the bottom of the shell and is electrically connected with the echo receiver; the alarm is arranged on the shell and is electrically connected with the monitoring analysis module; and the mounting and fixing mechanism is assembled and mounted on the base and is used for mounting the device on a well wall of a mine laneway or the ground. The monitoring and early warning device provided by the scheme can be conveniently and firmly mounted on the inner wall of a mine laneway or on the ground, is convenient to disassemble and is provided with the standby battery assembly convenient to replace, and normal monitoring and analysis of equipment on echoes cannot be influenced in the battery replacement process.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mining monitoring and early warning, and in particular relates to a monitoring and early warning device for coal mine tunnel excavation. Background Art

[0002] Seismic monitoring during tunneling in coal mines is a new method of advanced detection of mine tunnel earthquakes. It uses the vibrations generated by the tunneling machine cutting rocks during tunneling as the source of earthquakes. By receiving and analyzing the echoes generated by these vibration waves when encountering geological anomalies, it can detect geological anomalies in front of and on the side of the tunnel. Seismic monitoring requires the installation of monitoring and early warning devices in mine tunnels to receive and echo and conduct early warning analysis.

[0003] However, the existing monitoring and early warning devices for coal mine tunnel excavation are not only inconvenient to install on the shaft wall or the ground of the mine tunnel, but also difficult to disassemble. In addition, there is no spare battery assembly that is easy to replace. The device needs to be shut down before replacing the battery, which is inconvenient. Utility Model Content

[0004] The utility model provides a monitoring and early warning device for coal mine tunnel excavation, aiming to solve the problems of the existing monitoring and early warning device proposed in the background technology that it is inconvenient to install and disassemble and there is no spare battery assembly that is easy to replace.

[0005] To solve the above problems, the utility model is implemented as follows: a monitoring and early warning device for coal mine tunnel excavation, comprising: a base with a plurality of avoidance openings at the bottom; an echo receiver arranged at the bottom of the base; a shell fixedly installed on the top of the base; a monitoring and analysis module arranged on the inner wall of the bottom of the shell and electrically connected to the echo receiver; an alarm installed on the shell and electrically connected to the monitoring and analysis module; a mounting and fixing mechanism assembled on the base, the mounting and fixing mechanism is used to install the device on the wall or ground of the mine tunnel; two replaceable battery assemblies arranged on the shell, the two replaceable battery assemblies are used to power the device; two locking mechanisms arranged on the shell, the two locking mechanisms are used to lock the two replaceable battery assemblies.

[0006] Preferably, a plurality of anchor rods are fixedly mounted on the bottom of the base, and a communication module is provided on the monitoring and analysis module.

[0007] Preferably, the installation and fixing mechanism includes: a first motor fixedly mounted on the top inner wall of the base; a screw fixedly mounted on the output shaft of the first motor and rotatably connected to the inner wall of the base; a plurality of limit rods fixedly mounted between the top inner wall and the bottom inner wall of the base; a lifting plate threadedly sleeved on the screw and slidably connected to the plurality of limit rods; a plurality of spiral rods vertically rotatably mounted on the lifting plate and cooperating with the avoidance opening; a second motor fixedly mounted on the lifting plate; a plurality of double-groove synchronous wheels fixedly sleeved on the output shaft of the second motor and the plurality of spiral rods; and a plurality of synchronous belts respectively sleeved on the plurality of double-groove synchronous wheels.

[0008] Preferably, rectangular sockets are provided on both sides of the base, two vertical plates are fixedly installed on the inner wall of the base, power supply sockets are provided on the two vertical plates, and the two power supply sockets are electrically connected to the monitoring and analysis module.

[0009] Preferably, the replaceable battery assembly includes: an L-shaped plate arranged on the rectangular socket; a lithium battery fixedly mounted on the inner wall of the L-shaped plate; a power plug arranged on the lithium battery and compatible with the power socket; a pin hole opened on the L-shaped plate; and a handle fixedly mounted on the L-shaped plate.

[0010] Preferably, the locking mechanism comprises: a pin rod slidably mounted on the housing and adapted to the pin hole; a spring slidably sleeved on the pin rod; a sleeve plate fixedly sleeved on the pin rod; and a pull ring fixedly mounted on the top end of the pin rod.

[0011] Preferably, two warning lights are provided on the base, and both of the two warning lights are electrically connected to the monitoring and analysis module.

[0012] Compared with the related art, the landslide and collapse earthquake monitoring and early warning device provided by the utility model has the following beneficial effects:

[0013] Compared with the prior art, the monitoring and early warning device for coal mine tunnel excavation provided by the present invention has multiple avoidance openings designed at the bottom of the base for avoiding multiple spiral rods. The echo receiver is arranged at the bottom of the base for receiving the vibration generated by cutting rocks during excavation as a seismic source. The echoes generated by these vibration waves when encountering geological anomalies are analyzed by the monitoring and analysis module to detect geological anomalies in front of and on the side walls of the tunnel. The monitoring and analysis module is installed inside the shell and is electrically connected to the echo receiver. The echoes generated by these vibration waves when encountering geological anomalies are analyzed by the monitoring and analysis module to detect geological anomalies in front of and on the side walls of the tunnel, thereby realizing the mine Early warning of landslides and collapses in mine tunnels. The alarm is electrically connected to the monitoring and analysis module. Once an abnormal signal is detected and judged as a potential risk, an alarm is immediately triggered to remind relevant personnel to take countermeasures. The installation fixing mechanism ensures that the device can be firmly installed on the wall or ground of the mine tunnel, adapting to the complex and changeable installation environment, ensuring the continuity and accuracy of monitoring. The replaceable battery components are designed to be two and installed on the shell to provide continuous and reliable power support, easy maintenance and replacement, and ensure the long-term operation of the device. The locking mechanism is set corresponding to the two replaceable battery components to lock the battery components to prevent them from accidentally falling off or loosening, thereby improving the safety and stability of the equipment.

[0014] To sum up, this patent realizes real-time monitoring, accurate analysis and rapid early warning of geological disasters through the combined use of the above-mentioned schemes, which is of great significance for ensuring the safety of mine operations and reducing losses caused by geological disasters. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a monitoring and early warning device for coal mine tunnel excavation provided by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of a front cross-sectional structure;

[0017] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part A shown in FIG.

[0018] Figure numerals: 1. base; 2. avoidance opening; 3. echo receiver; 4. shell; 5. monitoring and analysis module; 6. alarm; 7. communication module; 8. anchor rod; 9. first motor; 10. screw rod; 11. limit rod; 12. lifting plate; 13. screw rod; 14. second motor; 15. double-groove synchronous wheel; 16. rectangular socket; 17. vertical plate; 18. power socket; 19. L-shaped plate; 20. lithium battery; 21. power plug; 22. pin hole; 23. handle; 24. pin rod; 25. spring; 26. sleeve; 27. pull ring; 28. warning light. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0020] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] The utility model provides a monitoring and early warning device for coal mine tunneling, such as Figure 1-3 As shown, the monitoring and early warning device for coal mining includes: a base 1 with a plurality of avoidance openings 2 at the bottom; an echo receiver 3 arranged at the bottom of the base 1; a shell 4 fixedly installed on the top of the base 1; a monitoring and analysis module 5 arranged on the inner wall of the bottom of the shell 4 and electrically connected to the echo receiver 3; an alarm 6 installed on the shell 4 and electrically connected to the monitoring and analysis module 5; a mounting and fixing mechanism assembled on the base 1, the mounting and fixing mechanism is used to install the device on the shaft wall or the ground of a mine tunnel; two replaceable battery assemblies arranged on the shell 4, the two replaceable battery assemblies are used to power the device; two locking mechanisms are arranged on the shell 4, the two locking mechanisms are used to lock the two replaceable battery assemblies.

[0022] In this embodiment, a plurality of avoidance openings 2 are designed at the bottom of the base 1 for avoiding a plurality of spiral rods 13. An echo receiver 3 is arranged at the bottom of the base for receiving the vibration generated by cutting the rock during the excavation process as a seismic source. The monitoring and analysis module 5 analyzes the echoes generated by these vibration waves when encountering a geological anomaly, thereby realizing the detection of the geological anomalies in front of and on the side walls of the tunnel. The monitoring and analysis module 5 is installed inside the shell 4 and is electrically connected to the echo receiver 3. The monitoring and analysis module 5 analyzes the echoes generated by these vibration waves when encountering a geological anomaly, thereby realizing the detection of the geological anomalies in front of and on the side walls of the tunnel, thereby realizing the prevention of landslides and collapses in the mine tunnel. Early warning, the alarm 6 is electrically connected to the monitoring and analysis module 5. Once an abnormal signal is detected and judged as a potential risk, an alarm is immediately triggered to remind relevant personnel to take countermeasures. The installation fixing mechanism ensures that the device can be firmly installed on the wall or ground of the mine tunnel, adapting to the complex and changeable installation environment, and ensuring the continuity and accuracy of monitoring. The replaceable battery assembly is designed to be two and installed on the housing 4 to provide continuous and reliable power support, which is convenient for maintenance and replacement, and ensures the long-term operation of the device. The locking mechanism is set corresponding to the two replaceable battery assemblies, which is used to lock the battery assembly to prevent it from accidentally falling off or loosening, thereby improving the safety and stability of the equipment;

[0023] To sum up, this patent realizes real-time monitoring, accurate analysis and rapid early warning of geological disasters through the combined use of the above-mentioned schemes, which is of great significance for ensuring the safety of mine operations and reducing losses caused by geological disasters.

[0024] In a further preferred embodiment of the present invention, a plurality of anchor rods 8 are fixedly installed on the bottom of the base 1 , and a communication module 7 is provided on the monitoring and analysis module 5 .

[0025] In this embodiment, the communication module 7 can enable the device to connect to the wireless network system in the mine tunnel, so as to send the warning information to the background server.

[0026] In a further preferred embodiment of the utility model, the installation and fixing mechanism includes: a first motor 9 fixedly mounted on the top inner wall of the base 1; a screw 10 fixedly mounted on the output shaft of the first motor 9 and rotatably connected to the inner wall of the base 1; a plurality of limit rods 11 fixedly mounted between the top inner wall and the bottom inner wall of the base 1; a lifting plate 12 threadedly sleeved on the screw 10 and slidably connected to the plurality of limit rods 11; a plurality of spiral rods 13 vertically rotatably mounted on the lifting plate 12 and cooperating with the avoidance opening; a second motor 14 fixedly mounted on the lifting plate 12; a plurality of double-groove synchronous wheels 15 fixedly sleeved on the output shaft of the second motor 14 and on the plurality of spiral rods 13; and a plurality of synchronous belts respectively sleeved on the plurality of double-groove synchronous wheels 15.

[0027] In this embodiment, the first motor 9 drives the screw rod 10 to rotate, which can drive the lifting plate 12 and multiple screw rods 13 to move up and down. The second motor 14, multiple double-groove synchronous wheels 15 and multiple synchronous belts can drive the multiple screw rods 13 to rotate. When the multiple screw rods 13 move downward and rotate forward, they can be screwed into the well wall or the ground, so that the device is more firmly installed on the well wall or the ground. When the multiple screw rods 13 move upward and rotate in the opposite direction, they can be separated from the well wall or the ground, thereby completing the disassembly of the device.

[0028] In a further preferred embodiment of the utility model, rectangular sockets 16 are provided on both sides of the shell, two vertical plates 17 are fixedly installed on the inner wall of the base 1, and power supply sockets 18 are provided on the two vertical plates 17, and the two power supply sockets 18 are electrically connected to the monitoring and analysis module 5.

[0029] In this embodiment, a replaceable battery assembly can be inserted through the rectangular socket 16, and the lithium battery 20 can be connected to the monitoring and analysis module 5 through the connection between the power plug 21 and the power socket 18.

[0030] In a further preferred embodiment of the utility model, the replaceable battery assembly includes: an L-shaped plate 19 arranged on the rectangular socket 16; a lithium battery 20 fixedly mounted on the inner wall of the L-shaped plate 19; a power plug 21 arranged on the lithium battery 20 and compatible with the power socket 18; a pin hole 22 opened on the L-shaped plate 19; and a handle 23 fixedly mounted on the L-shaped plate 19.

[0031] In this embodiment, the device can be powered by a lithium battery 20. The power plug 21 can be connected to the power socket 18 to form a power supply connection between the lithium battery 20 and the monitoring and analysis module 5. The handle 23 can facilitate the insertion of the replaceable battery assembly into the shell 4 or pull it out, thereby facilitating the replacement of the replaceable battery assembly.

[0032] In a further preferred embodiment of the utility model, the locking mechanism includes: a pin rod 24 slidably mounted on the housing 4 and adapted to the pin hole 22; a spring 25 slidably sleeved on the pin rod 24; a sleeve plate 26 fixedly sleeved on the pin rod 24; and a pull ring 27 fixedly mounted on the top end of the pin rod 24.

[0033] In this embodiment, the spring is located between the sleeve plate and the inner top wall of the shell. The spring 25 rebounds the sleeve plate 26 to allow the pin rod 24 to be inserted into the pin hole 22, thereby locking the replaceable battery assembly on the rectangular socket 16. When replacing the replaceable battery assembly, pull the pull ring 27, and the pull ring 27 drives the pin rod 24 to move upward, thereby separating the pin rod 24 from the pin hole 22, and then pull the handle 23 to pull the L-shaped plate 19 and the lithium battery 20 out of the inner shell 4, thereby replacing the replaceable battery assembly.

[0034] In a further preferred embodiment of the present invention, two warning lights 28 are disposed on the base 1 , and both of the two warning lights 28 are electrically connected to the monitoring and analysis module 5 .

[0035] In this embodiment, two warning lights 28 can be used to warn of the power levels of the two lithium batteries 20 . When the power level of a lithium battery 20 is low, its corresponding warning light 28 flashes, thereby reminding the staff to replace the corresponding lithium battery 20 .

[0036] To sum up, compared with related technologies, this device can not only be installed more conveniently and firmly on the inner wall or ground of a mine tunnel, but is also easier to disassemble. It also has a backup battery assembly that is easy to replace, and the battery replacement process will not affect the equipment's normal monitoring and analysis of echoes.

[0037] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0038] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A monitoring and early warning device for coal mine tunneling, characterized in that: include: A base with a plurality of avoidance openings at the bottom; an echo receiver arranged at the bottom of the base; A shell fixedly mounted on the top of the base; A monitoring and analysis module is arranged on the inner wall of the bottom of the shell and is electrically connected to the echo receiver; an alarm is installed on the shell and is electrically connected to the monitoring and analysis module; a mounting and fixing mechanism assembled on the base, the mounting and fixing mechanism is used to install the device on the wall or ground of a mine tunnel; two replaceable battery assemblies are arranged on the shell, and the two replaceable battery assemblies are used to power the device; two locking mechanisms are arranged on the shell, and the two locking mechanisms are used to lock the two replaceable battery assemblies.

2. The monitoring and early warning device for coal mine tunneling according to claim 1, characterized in that: A plurality of anchor rods are fixedly mounted on the bottom of the base, and a communication module is arranged on the monitoring and analysis module.

3. The monitoring and early warning device for coal mine tunneling according to claim 1, characterized in that: The installation and fixing mechanism includes: a first motor fixedly installed on the top inner wall of the base; a screw rod fixedly installed on the output shaft of the first motor and rotatably connected to the inner wall of the base; a plurality of limit rods fixedly installed between the top inner wall and the bottom inner wall of the base; a lifting plate threadedly sleeved on the screw rod and slidably connected to the plurality of limit rods; a plurality of spiral rods vertically rotatably installed on the lifting plate and matched with the avoidance opening; a second motor fixedly installed on the lifting plate; a plurality of double-groove synchronous wheels fixedly sleeved on the output shaft of the second motor and the plurality of spiral rods; and a plurality of synchronous belts respectively sleeved on the plurality of double-groove synchronous wheels.

4. The monitoring and early warning device for coal mine tunneling according to claim 1, characterized in that: Rectangular sockets are provided on both sides of the base, and two vertical plates are fixedly installed on the inner wall of the base. Power supply sockets are provided on the two vertical plates, and the two power supply sockets are electrically connected to the monitoring and analysis module.

5. The monitoring and early warning device for coal mine tunneling as claimed in claim 4, characterized in that: The replaceable battery assembly includes: an L-shaped plate arranged on the rectangular socket; a lithium battery fixedly installed on the inner wall of the L-shaped plate; a power plug arranged on the lithium battery and compatible with the power socket; a pin hole opened on the L-shaped plate; and a handle fixedly installed on the L-shaped plate.

6. The monitoring and early warning device for coal mine tunneling as claimed in claim 5, characterized in that: The locking mechanism comprises: a pin rod slidably mounted on the housing and matched with the pin hole; a spring slidably sleeved on the pin rod; a sleeve plate fixedly sleeved on the pin rod; and a pull ring fixedly mounted on the top end of the pin rod.

7. The monitoring and early warning device for coal mine tunneling according to claim 1, characterized in that: Two warning lights are arranged on the base, and both of the two warning lights are electrically connected to the monitoring and analysis module.

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