Settlement monitoring device for coal mine tunnel supporting top plate

Abstract

The utility model discloses a settlement monitoring device for a coal mine tunnel supporting top plate, which comprises a top plate and a supporting plate, an elastic piece and a monitoring piece are arranged between the top plate and the supporting plate, a groove is arranged at the edge position of the supporting plate, supporting leg pieces are rotatably connected on the groove through a shaft, a connecting shaft is arranged between two adjacent supporting leg pieces, and the connecting shaft is connected with the supporting leg pieces through a connecting rod. The connecting shaft is rotationally sleeved with a supporting arm, and the top end of the supporting arm is arranged on the bottom wall of the supporting plate in a sliding mode. The utility model belongs to the technical field of settlement monitoring devices, and particularly relates to a settlement monitoring device for a coal mine tunnel supporting top plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of settlement monitoring devices, in particular to a settlement monitoring device for a supporting roof of a coal mine tunnel. Background Art

[0002] During the mining process, tunnels are generally opened and used to mine coal and other works. In order to prevent tunnel collapse and ensure the safety of coal mining operations, tunnels are generally supported by support devices. As the mining depth gradually increases, the compressive stress of the stratum stress on the tunnel roof becomes greater and greater, which greatly affects the stability of the tunnel roof. Therefore, during the mining process, it is particularly important to adopt appropriate technical means to monitor the settlement of the roof in real time.

[0003] The supporting structure of the settlement monitoring device usually adopts a relatively fixed setting, that is, the support base may not be adjustable in angle. When the tunnel has a certain slope, the support base of this fixed structure cannot fit well with the bottom surface of the tunnel, resulting in unstable installation of the device. Utility Model Content

[0004] The technical problem to be solved by the present invention is that the support structure of the settlement monitoring device usually adopts a relatively fixed setting, that is, the support base may not be adjustable in angle. When the tunnel has a certain slope, the support base of this fixed structure cannot fit well with the bottom surface of the tunnel, resulting in unstable installation of the device.

[0005] In order to achieve the above functions, the technical solution adopted by the present invention is as follows: a settlement monitoring device for a coal mine tunnel support roof, comprising a roof and a support plate, an elastic part and a monitoring part are provided between the roof and the support plate, a groove is provided at the edge of the support plate, a support leg part is rotatably connected to the groove through an axis, a connecting shaft is provided between two adjacent support leg parts, a support arm is rotatably sleeved on the connecting shaft, and the top end of the support arm is slidably provided on the bottom wall of the support plate.

[0006] Preferably, the bottom wall of the support plate is provided with a slide groove, a screw is rotatably provided on the slide groove, a slider is threadedly connected to the screw rod and is adapted to slide with the slide groove, the top end of the support arm is hinged to the bottom wall of the slider, and the side wall of the support plate is provided with a handle, and the handle rotates through one end of the handle to pass through the support plate and is connected to one end of the screw rod.

[0007] Preferably, the elastic member includes a sliding rod and a spring, the sliding rod is arranged on the bottom wall of the top plate, the bottom of the sliding rod slides through the support plate and extends out, the bottom end of the sliding rod is fixedly connected to a baffle, and the spring is sleeved on the sliding rod and located between the support plate and the top plate.

[0008] Preferably, the monitoring device includes an alarm and a battery, and the alarm and the battery are both arranged on the side walls of the support plate, and the bottom wall of the top plate and the top wall of the support plate are provided with electrode contacts, the positive pole of the battery is connected to the electrode contact on the top plate, the electrode contact on the top plate is connected to a pin of the alarm through a wire, and the electrode contact on the support plate is connected to another pin of the alarm through a wire and then connected to the negative pole of the battery.

[0009] Preferably, the support leg member includes a support rod and a support tube, the top end of the support rod is rotated on the groove through an axis, the support tube is slidably sleeved on the support rod, a fastening bolt is threadedly connected to the support tube, and a plurality of screw holes are provided on the support rod, and the fastening bolts are threadedly connected to the screw holes.

[0010] Preferably, the bottom end of the support tube is hinged to a support base, and the support base is provided with a ground nail.

[0011] The utility model adopts the above structure to achieve the following beneficial effects: according to the slope of the tunnel, the top end of the sliding arm is used to change the angle between the support leg and the support plate, and the support rod and support tube of the support leg are adjusted in length, so that the top plate is adjusted according to the slope of the tunnel to support it. When settlement occurs, the top plate is pressed downward, and the electrode contacts on the bottom wall of the top plate move downward and contact with the electrode contacts on the support plate, then the alarm sounds, reminding the staff to evacuate early, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The overall structure of the embodiment of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The overall structure of the embodiment of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 The overall structure of the embodiment of the utility model is shown in FIG. Figure 3 ;

[0015] Figure 4 The overall structure of the embodiment of the utility model is shown in FIG. Figure 4 .

[0016] Among them, 1. Top plate, 2. Support plate, 3. Elastic part, 4. Monitoring part, 5. Groove, 6. Leg part, 7. Connecting shaft, 8. Support arm, 9. Slide groove, 10. Screw, 11. Slider, 12. Handle, 13. Slide bar, 14. Spring, 15. Baffle, 16. Alarm, 17. Battery, 18. Electrode contact, 19. Support rod, 20. Support tube, 21. Fastening bolt, 22. Screw hole, 23. Support base, 24. Ground nail. DETAILED DESCRIPTION

[0017] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," and "outside" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for the purpose of facilitating the description of the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The present invention will be further described below in conjunction with the accompanying drawings.

[0019] like Figure 1-4 As shown, the utility model proposes a settlement monitoring device for a coal mine tunnel supporting roof, comprising a roof 1 and a support plate 2, wherein an elastic member 3 and a monitoring member 4 are provided between the roof 1 and the support plate 2, a groove 5 is provided at the edge of the support plate 2, a support leg member 6 is rotatably connected to the groove 5 through an axis, a connecting shaft 7 is provided between two adjacent support leg members 6, a support arm 8 is rotatably sleeved on the connecting shaft 7, the top end of the support arm 8 is slidably provided on the bottom wall of the support plate 2, and the top end of the sliding support arm 8 is slid according to the slope of the tunnel to change the angle between the support leg member 6 and the support plate 2, thereby adjusting the roof 1 according to the slope of the tunnel to support it.

[0020] like Figure 3 As shown, the bottom wall of the support plate 2 is provided with a slide groove 9, and a screw 10 is rotatably provided on the slide groove 9. The screw 10 is threadedly connected to a slider 11 that slides and adapts to the slide groove 9. The top of the support arm 8 is hinged to the bottom wall of the slider 11, and the side wall of the support plate 2 is provided with a handle 12. The handle 12 rotates through the support plate 2 through one end and is connected to one end of the screw 10. When the handle 12 is rotated and the screw 10 rotates, the slider 11 drives the top end of the support arm 8 to move, and the support arm 8 pushes and pulls the support leg part 6 through the connecting shaft 7 to adjust the slope of its opening, thereby adjusting the inclination of the top plate 1.

[0021] like Figure 2As shown, the elastic member 3 includes a slide rod 13 and a spring 14. The slide rod 13 is arranged on the bottom wall of the top plate 1. The bottom of the slide rod 13 slides through the support plate 2 and extends out. The bottom end of the slide rod 13 is fixedly connected with a baffle 15. The spring 14 is sleeved on the slide rod 13 and is located between the support plate 2 and the top plate 1. When settlement occurs, the roadway exerts pressure on the top plate 1, the spring 14 undergoes elastic deformation, and the top plate 1 moves downward gradually close to the support plate 2.

[0022] like Figure 2 As shown, the monitoring component 4 includes an alarm 16 and a battery 17, and the alarm 16 and the battery 17 are both arranged on the side walls of the support plate 2, and the bottom wall of the top plate 1 and the top wall of the support plate 2 are both provided with electrode contacts 18, the positive pole of the battery 17 is connected to the electrode contact 18 on the top plate 1, the electrode contact 18 on the top plate 1 is connected to one pin of the alarm 16 through a wire, and the electrode contact 18 on the support plate 2 is connected to the negative pole of the battery 17 after being connected to another pin of the alarm 16 through a wire. When settlement occurs, the top plate 1 is pressed to move downward, and the electrode contact 18 on the bottom wall of the top plate 1 moves downward and contacts the electrode contact 18 on the support plate 2, then the alarm 16 sounds an alarm, reminding the staff to evacuate early, thereby improving safety.

[0023] like Figure 4 As shown, the support leg includes a support rod 19 and a support tube 20. The top end of the support rod 19 is rotated on the groove 5 through an axis, and the support tube 20 is slidably sleeved on the support rod 19. A fastening bolt 21 is threadedly connected to the support tube 20. The bottom end of the support tube 20 is hinged to a support base 23. A ground nail 24 is provided on the support base 23. A plurality of screw holes 22 are provided on the support rod 19. The fastening bolts 21 are threadedly connected to the screw holes 22. According to the height of the tunnel, the fastening bolts 21 can be unscrewed, the support rod 19 can be slid, and the height of the top plate 1 can be adjusted.

[0024] During specific use, according to the height of the tunnel, the fastening bolt 21 can be unscrewed, the support rod 19 can be slid, and the height of the top plate 1 can be adjusted. When adjusting according to the slope of the tunnel, the handle 12 can be rotated, and the screw 10 can be rotated, and the slider 11 drives the top end of the support arm 8 to move to change the angle between the support rod 19 and the support plate 2, thereby adjusting the top plate 1 to support it according to the slope of the tunnel.

[0025] When the tunnel settles, pressure is applied to the top plate 1, the spring 14 undergoes elastic deformation, and the top plate 1 moves downward and gradually approaches the support plate 2. When the electrode contact 18 on the bottom wall of the top plate 1 moves downward and contacts the electrode contact 18 on the support plate 2, the alarm 16 sounds an alarm, reminding the staff to evacuate early and improve safety.

[0026] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A settlement monitoring device for a coal mine tunnel support roof, characterized by: It includes a top plate and a support plate, an elastic part and a monitoring part are provided between the top plate and the support plate, a groove is provided at the edge of the support plate, a leg part is rotatably connected to the groove through an axis, a connecting shaft is provided between two adjacent leg parts, a support arm is rotatably sleeved on the connecting shaft, and the top end of the support arm is slidably provided on the bottom wall of the support plate.

2. A settlement monitoring device for a coal mine tunnel supporting roof according to claim 1, characterized in that: The bottom wall of the support plate is provided with a slide groove, a screw is rotatably provided on the slide groove, a slider is threadedly connected to the screw rod and is adapted to slide with the slide groove, the top end of the support arm is hinged to the bottom wall of the slider, and a handle is provided on the side wall of the support plate, and the handle is rotated through the support plate through one end thereof and is connected to one end of the screw rod.

3. The settlement monitoring device for a coal mine tunnel supporting roof according to claim 1, characterized in that: The elastic member includes a sliding rod and a spring. The sliding rod is arranged on the bottom wall of the top plate. The bottom of the sliding rod slides through the support plate and extends out. The bottom end of the sliding rod is fixedly connected to a baffle. The spring is sleeved on the sliding rod and is located between the support plate and the top plate.

4. The settlement monitoring device for a coal mine tunnel supporting roof according to claim 1, characterized in that: The monitoring device includes an alarm and a battery, which are both arranged on the side walls of the support plate. The bottom wall of the top plate and the top wall of the support plate are both provided with electrode contacts. The positive pole of the battery is connected to the electrode contact on the top plate, and the electrode contact on the top plate is connected to a pin of the alarm through a wire. The electrode contact on the support plate is connected to another pin of the alarm through a wire and then connected to the negative pole of the battery.

5. The settlement monitoring device for a coal mine tunnel supporting roof according to claim 1, characterized in that: The support leg member includes a support rod and a support tube. The top end of the support rod is rotated on the groove through an axis. The support tube is slidably sleeved on the support rod. A fastening bolt is threadedly connected to the support tube. A plurality of screw holes are provided on the support rod. The fastening bolts are threadedly connected to the screw holes.

6. The settlement monitoring device for a coal mine tunnel supporting roof according to claim 5, characterized in that: The bottom end of the support tube is hinged with a support base, and the support base is provided with a ground nail.

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