Security monitoring device for coal mine goaf

Abstract

The utility model relates to the technical field of monitoring devices, in particular to a coal mine goaf security monitoring device which comprises an installation plate and an insertion pipe, the insertion pipe is fixedly connected to the bottom face of the installation plate, a movable rod is movably connected into the insertion pipe, a plurality of triangular grooves are evenly distributed in the side wall of the movable rod, and the triangular grooves are connected with the installation plate. And positioning rods are movably connected into the triangular grooves. By arranging the insertion pipe, the movable rod, the positioning rod and the fixed plate, the device can be conveniently inserted into a proper position in a coal mine goaf by a certain depth through the insertion pipe during use, then the fixed plate is locked and mounted, so that the movable rod is pushed by the fixed plate, and the positioning rod is pushed by the movable rod to move; and the positioning rod extends out of the insertion pipe to achieve firm positioning of the device, and the fixing and mounting firmness of the device is effectively improved. The utility model has the advantages of firm installation and good use effect.

Description

Technical Field

[0001] The utility model relates to a security monitoring device, in particular to a security monitoring device for a coal mine goaf area. Background Art

[0002] Coal mine goaf refers to the empty space or cavity left after underground coal or gangue is mined during coal mining. In the process of coal mining, goaf often brings harm to the normal production of coal mines, so it is very necessary to carry out security monitoring of coal mine goaf.

[0003] At present, due to the geological environment of coal mine goafs, it is inconvenient to install and operate traditional security monitoring devices in coal mine goafs, and it is easy to be unsecured and fall, which greatly limits the normal use of the security monitoring devices; and because a large amount of floating dust is generated inside the coal mine goaf, the floating dust is easily adsorbed on the security monitoring device, which will greatly affect the monitoring and shooting operation of the security monitoring device. To this end, the utility model proposes a security monitoring device for coal mine goafs. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a coal mine goaf area security monitoring device to overcome the deficiencies of the prior art.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A security monitoring device for coal mine goaf areas comprises a mounting plate, a cannula is fixedly connected to the bottom surface of the mounting plate, a movable rod is movably connected to the cannula, a plurality of triangular grooves are evenly distributed on the side walls of the movable rod, positioning rods are movably connected to the triangular grooves, one end of the positioning rod away from the movable rod passes through the side wall of the cannula and is movably connected to the cannula, the top of the movable rod passes through the top surface of the mounting plate, a fixing plate is fixedly connected to the top surface of the mounting plate, a rotation drive assembly is arranged on the fixing plate, a camera is fixedly connected to the rotation drive assembly, a transparent protective cover is threadedly connected to the top surface of the mounting plate, a vertical rod is movably connected to the center of the top surface of the transparent protective cover, a vertical pipe is sleeved on the vertical rod, the vertical pipe is fixedly connected to the top surface of the camera, a scraper is fixedly connected to the top of the vertical rod, and a threading hole is opened on the mounting plate.

[0007] As a preferred technical solution of the utility model, the rotary drive assembly includes a round shell, the bottom surface of the round shell is movably connected to the fixed plate, the top surface of the round shell is fixedly connected to the camera, a ring gear is fixedly connected to the side wall of the inner cavity of the round shell, a first gear is meshed on the ring gear, a rotating shaft is fixedly connected to the center of the side wall of the first gear, a motor is fixedly connected to the end of the rotating shaft away from the first gear, and the motor is fixedly connected to the fixed plate.

[0008] As a preferred technical solution of the utility model, a circular groove is opened in the center of the bottom surface of the movable rod, a spring is fixedly connected to the inner cavity of the circular groove, a round rod is fixedly connected to the other end of the spring, the round rod and the circular groove are movably connected, and the round rod extends out of the circular groove away from one end of the spring and is fixedly connected to the side wall of the inner cavity of the cannula.

[0009] As a preferred technical solution of the utility model, a slide groove is provided on the side wall of the triangular groove, one end of the positioning rod located in the triangular groove is fixedly connected with a slider, and the slider is movably connected to the slide groove.

[0010] As a preferred technical solution of the present utility model, the cross section of the vertical rod is arranged in a regular hexagon, and the inner cavity of the vertical tube and the cross section of the vertical rod are arranged to match each other.

[0011] As a preferred technical solution of the utility model, the shape of the scraper is matched with the outer side wall of the transparent protective cover, a cleaning brush is fixedly connected to the inner side wall of the scraper, and the scraper is arranged at the rear side of the camera.

[0012] As a preferred technical solution of the utility model, bolts are arranged near the four corners of the fixing plate, and the fixing plate and the mounting plate are fixedly connected by bolts.

[0013] The present invention provides a coal mine goaf security monitoring device, which has the following beneficial effects:

[0014] 1. The utility model is provided with an inserting tube, a movable rod, a positioning rod and a fixing plate. When in use, the device can be conveniently inserted into a suitable position in the coal mine goaf at a certain depth through the inserting tube, and then the fixing plate is locked and installed, so that the fixing plate pushes the movable rod, and the movable rod pushes the positioning rod to move, so that the positioning rod extends out of the inserting tube to realize the secure positioning of the device, and effectively improves the reliability of the fixed installation of the device;

[0015] 2. The utility model is provided with a transparent protective cover, a vertical tube, a vertical rod and a scraper. When the rotary drive assembly drives the camera to rotate during use, the camera can drive the scraper to rotate through the vertical rod and the vertical tube, so that the scraper can scrape and clean the outer wall of the transparent protective cover, effectively improving the monitoring effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the rotary drive assembly of the utility model;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the vertical rod and the vertical pipe of the utility model.

[0022] In the figure: 1. mounting plate; 2. insert tube; 3. movable rod; 4. triangular groove; 5. positioning rod; 6. fixing plate; 7. rotating drive assembly; 8. camera; 9. transparent protective cover; 10. vertical rod; 11. vertical tube; 12. scraper; 13. round shell; 14. ring gear; 15. first gear; 16. rotating shaft; 17. motor; 18. round groove; 19. spring; 20. round rod; 21. slide groove; 22. slider; 23. cleaning brush; 24. bolt; 25. threading hole. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] Example: Figure 1-5 As shown, a security monitoring device for coal mine goaf area includes a mounting plate 1, a plug 2 is fixedly connected to the bottom surface of the mounting plate 1, a movable rod 3 is movably connected in the plug 2, a plurality of triangular grooves 4 are evenly distributed on the side wall of the movable rod 3, and a positioning rod 5 is movably connected in the triangular grooves 4. The positioning rod 5 penetrates the side wall of the plug 2 at one end away from the movable rod 3 and is movably connected to the plug 2. The top end of the movable rod 3 penetrates the top surface of the mounting plate 1, and a fixing plate 6 is fixedly connected to the top surface of the mounting plate 1, so that a reliable and stable installation operation of the device can be achieved;

[0025] A circular groove 18 is provided at the center of the bottom surface of the movable rod 3, a spring 19 is fixedly connected to the inner cavity of the circular groove 18, a round rod 20 is fixedly connected to the other end of the spring 19, the round rod 20 is movably connected to the circular groove 18, and the end of the round rod 20 away from the spring 19 extends out of the circular groove 18 and is fixedly connected to the inner cavity side wall of the cannula 2, so as to facilitate the movement of the movable rod 3;

[0026] A slide groove 21 is provided on the side wall of the triangular groove 4, and a slider 22 is fixedly connected to one end of the positioning rod 5 located in the triangular groove 4. The slider 22 is movably connected to the slide groove 21, so that the movable rod 3 can be stably moved in the triangular groove 4 and adjusted for use;

[0027] Among them, bolts 24 are arranged near the four corners of the fixing plate 6, and the fixing plate 6 and the mounting plate 1 are fixedly connected by the bolts 24, so as to facilitate the fixing and installation operation of the fixing plate 6;

[0028] A rotation drive assembly 7 is provided on the fixed plate 6. The rotation drive assembly 7 includes a round shell 13. The bottom surface of the round shell 13 is movably connected to the fixed plate 6. The top surface of the round shell 13 is fixedly connected to the camera 8. A ring gear 14 is fixedly connected to the side wall of the inner cavity of the round shell 13. A first gear 15 is meshed on the ring gear 14. A rotating shaft 16 is fixedly connected to the center of the side wall of the first gear 15. A motor 17 is fixedly connected to the end of the rotating shaft 16 away from the first gear 15. The motor 17 is fixedly connected to the fixed plate 6, so that the rotation adjustment operation of the camera 8 can be realized, thereby realizing effective monitoring operation.

[0029] The cross section of the vertical rod 10 is a regular hexagon, and the inner cavity of the vertical tube 11 is matched with the cross section of the vertical rod 10, which facilitates the docking of the vertical rod 10 and the vertical tube 11, thereby realizing the driving of the scraper 12 by the camera 8;

[0030] Among them, a camera 8 is fixedly connected to the rotation drive assembly 7, and a transparent protective cover 9 is threadedly connected to the top surface of the mounting plate 1, which can protect the camera 8 and improve the safety of use;

[0031] The shape of the scraper 12 matches the outer side wall of the transparent protective cover 9, and a cleaning brush 23 is fixedly connected to the inner side wall of the scraper 12. The scraper 12 is arranged at the rear side of the camera 8, so that the cleaning effect of the transparent protective cover 9 is good and the monitoring influence on the camera 8 is reduced;

[0032] A vertical rod 10 is movably connected to the center of the top surface of the transparent protective cover 9, and a vertical pipe 11 is sleeved on the vertical rod 10. The vertical pipe 11 is fixedly connected to the top surface of the camera 8, and a scraper 12 is fixedly connected to the top of the vertical rod 10, which can realize the cleaning operation of the transparent protective cover 9 and improve the monitoring effect;

[0033] The mounting plate 1 is provided with a threading hole 25 to facilitate the installation of the circuit.

[0034] Working principle: When the device of the utility model is used, the line is first passed through the threading hole 25, and the cannula 2 is inserted into the appropriate position inside the coal mine goaf. Then, the fixing plate 6 with the camera 8 is placed on the mounting plate 1, and the fixing plate 6 and the mounting plate 1 are fixedly connected together by bolts 24, and the movable rod 3 is pushed by the fixing plate 6. The movement of the movable rod 3 can make the positioning rod 5 move in the triangular groove 4. The movable rod 3 pushes the positioning rod 5 out of the cannula 2, so that the positioning rod 5 is inserted into the coal mine goaf, and the reliable fixed installation operation of the device is realized. One end of the line is connected to the camera 8, and the other end is connected to an external power supply and other equipment, and then the scraper The transparent protective cover 9 of 12 is screwed onto the mounting plate 1, and the vertical rod 10 is inserted into the vertical pipe 11 to complete the fixed installation of the transparent protective cover 9. When in use, the motor 17 is started by an external control device, and the motor 17 drives the first gear 15 on the rotating shaft 16 to rotate, the first gear 15 drives the ring gear 14 to rotate, the ring gear 14 drives the round shell 13 to rotate, and the round shell 13 drives the camera 8 to rotate, so as to realize the control of the monitoring position, and the vertical pipe 11 can be driven to rotate by the camera 8, the vertical pipe 11 drives the scraper 12 to rotate through the vertical rod 10, and the cleaning brush 23 on the scraper 12 can clean the floating dust on the outer wall of the transparent protective cover 9, so as to facilitate the use of monitoring.

[0035] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They 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 orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A security monitoring device for a coal mine goaf, comprising a mounting plate (1), characterized in that: The bottom surface of the mounting plate (1) is fixedly connected with a cannula (2), and a movable rod (3) is movably connected inside the cannula (2). A plurality of triangular grooves (4) are evenly distributed on the side wall of the movable rod (3), and positioning rods (5) are movably connected inside the triangular grooves (4). The positioning rod (5) penetrates the side wall of the cannula (2) at one end away from the movable rod (3) and is movably connected to the cannula (2). The top end of the movable rod (3) penetrates the top surface of the mounting plate (1), and a fixing plate (6) is fixedly connected to the top surface of the mounting plate (1). The fixing plate (6) is provided with a rotation drive assembly (7), a camera (8) is fixedly connected to the rotation drive assembly (7), a transparent protective cover (9) is threadedly connected to the top surface of the mounting plate (1), a vertical rod (10) is movably connected to the center of the top surface of the transparent protective cover (9), a vertical tube (11) is sleeved on the vertical rod (10), the vertical tube (11) is fixedly connected to the top surface of the camera (8), a scraper (12) is fixedly connected to the top of the vertical rod (10), and a threading hole (25) is opened on the mounting plate (1).

2. A coal mine goaf security monitoring device according to claim 1, characterized in that: The rotary drive assembly (7) comprises a round shell (13), the bottom surface of the round shell (13) is movably connected to the fixed plate (6), the top surface of the round shell (13) is fixedly connected to the camera (8), a ring gear (14) is fixedly connected to the inner cavity side wall of the round shell (13), a first gear (15) is meshed on the ring gear (14), a rotating shaft (16) is fixedly connected to the center of the side wall of the first gear (15), a motor (17) is fixedly connected to the end of the rotating shaft (16) away from the first gear (15), and the motor (17) is fixedly connected to the fixed plate (6).

3. A coal mine goaf security monitoring device according to claim 1, characterized in that: A circular groove (18) is provided at the center of the bottom surface of the movable rod (3); a spring (19) is fixedly connected to the inner cavity of the circular groove (18); a round rod (20) is fixedly connected to the other end of the spring (19); the round rod (20) and the circular groove (18) are movably connected; one end of the round rod (20) extends out of the circular groove (18) away from the spring (19) and is fixedly connected to the side wall of the inner cavity of the cannula (2).

4. A coal mine goaf security monitoring device according to claim 1, characterized in that: A sliding groove (21) is provided on the side wall of the triangular groove (4); one end of the positioning rod (5) located in the triangular groove (4) is fixedly connected with a sliding block (22); and the sliding block (22) is movably connected to the sliding groove (21).

5. A coal mine goaf security monitoring device according to claim 1, characterized in that: The cross section of the vertical rod (10) is arranged in a regular hexagonal shape, and the inner cavity of the vertical tube (11) and the cross section of the vertical rod (10) are arranged to match each other.

6. A coal mine goaf security monitoring device according to claim 1, characterized in that: The shape of the scraper (12) matches the outer side wall of the transparent protective cover (9), a cleaning brush (23) is fixedly connected to the inner side wall of the scraper (12), and the scraper (12) is arranged at the rear side of the camera (8).

7. A coal mine goaf security monitoring device according to claim 1, characterized in that: Bolts (24) are provided near the four corners of the fixing plate (6), and the fixing plate (6) and the mounting plate (1) are fixedly connected via the bolts (24).

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