A coal mine rock burst combined monitoring and early warning device

Abstract

The utility model discloses a kind of coal mine impact ground pressure combined monitoring early warning device, the bottom outer wall of mobile car is rotatably connected universal wheel assembly and brake wheel assembly, the universal wheel assembly includes support plate, the bottom end outer wall of the support plate is fixedly connected L-shaped connecting rod, the bottom end of the L-shaped connecting rod is rotatably connected universal wheel frame, the inner wall of the universal wheel frame is rotatably connected axle by bearing, the left and right outer walls of the axle are fixedly installed universal wheel, the first shock absorber between the universal wheel frame and support plate bottom end outer wall is rotatably connected, the brake wheel assembly includes brake wheel, it is related to coal mine impact ground pressure combined monitoring early warning device technical field, by being independently arranged between universal wheel and brake wheel, avoid the energy of mutual transmission vibration, can filter the vibration of mobile car bottom, reduce the impact of coal mine impact ground pressure combined monitoring early warning device, improve the protection effect of coal mine impact ground pressure combined monitoring early warning device.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine impact ground pressure combined monitoring and early warning device, and specifically relates to a coal mine impact ground pressure combined monitoring and early warning device. BACKGROUND

[0002] In the coal mining process, impact ground pressure is a dynamic disaster that seriously threatens safety production and personnel life. At present, coal mine impact ground pressure monitoring mainly relies on electronic equipment. When working in the coal mine site, due to the low ground flatness, the bumping of the ground is transmitted to the coal mine impact ground pressure combined monitoring and early warning device when the coal mine impact ground pressure combined monitoring and early warning device is moving, which is easy to damage the coal mine impact ground pressure combined monitoring and early warning device. The existing patent discloses a coal mine impact ground pressure combined monitoring and early warning device, with publication number CN221220558U, which discloses a coal mine impact ground pressure combined monitoring and early warning device, comprising a mobile aviation box body, a support rod is arranged inside the mobile aviation box body, and a placing plate is installed at the upper end of the support rod, the support rod adopts a scissor type structure, and the support rod and the placing plate are located on the same vertical axis, a placing groove is formed in the inside of the placing plate, and a stress monitoring device is placed in the inside of the placing groove, a storage frame is arranged on one side of the inside of the mobile aviation box body, and a mobile power supply block is placed in the inside of the storage frame, a power line is connected between the mobile power supply block and the stress monitoring device, an extension pull rod is arranged on one side of the mobile aviation box body, which facilitates the user to stand and use, and provides a convenient moving effect for the coal mine impact ground pressure combined monitoring and early warning device. However, due to the bumpy road surface of the coal mine site, the existing patent lacks universal wheels arranged at the bottom of the mobile aviation box body, the structure is relatively simple, lacks independent damping structure for the universal wheels, and thus the electronic components in the coal mine impact ground pressure combined monitoring and early warning device are easily damaged during the movement of the coal mine impact ground pressure combined monitoring and early warning device, which is inconvenient to improve the protection effect of the coal mine impact ground pressure combined monitoring and early warning device during movement. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a coal mine impact ground pressure combined monitoring and early warning device to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The utility model provides a kind of coal mine rock burst combined monitoring early warning device, including mobile car, the mobile car inside is equipped with coal mine rock burst combined monitoring early warning device, the bottom outer wall of mobile car is rotatably connected universal wheel assembly and brake wheel assembly, the universal wheel assembly includes support plate, the bottom end outer wall of support plate is fixedly connected L-shaped connecting rod, the bottom end of L-shaped connecting rod is rotatably connected universal wheel frame, the inner wall of universal wheel frame is rotatably connected axle by bearing, the outer wall of axle is fixedly installed universal wheel on left and right sides, first shock rod is rotatably connected between the universal wheel frame and support plate bottom end outer wall, the brake wheel assembly includes brake wheel, and the axle outer wall of brake wheel is matched with clamping brake pedal.

[0006] In a preferred embodiment of the utility model, the rear end outer wall of the mobile car is fixedly installed with a handle frame, the inner wall of the handle frame is fixedly connected with a cross bar, and the outer walls of the left and right sides of the handle frame are both fixedly installed with handles.

[0007] In a preferred embodiment of the utility model, the top outer wall of the support plate is rotatably connected with the bottom outer wall of the mobile car through a rotating shaft, and the bottom end of the L-shaped connecting rod is rotatably connected with the universal wheel frame through a first shaft pin.

[0008] In a preferred embodiment of the utility model, the bottom outer wall and the top outer wall of the universal wheel frame are both fixedly installed with movable blocks, and the first shock rod is rotatably connected between the two movable blocks.

[0009] In a preferred embodiment of the utility model, the brake wheel assembly includes a positioning plate, the bottom end outer wall of the positioning plate is fixedly connected with a second L-shaped connecting rod, and the inner wall of the second L-shaped connecting rod is rotatably connected with a brake wheel frame through a second shaft pin.

[0010] In a preferred embodiment of the utility model, the inner wall of the brake wheel frame is rotatably connected with a second axle through a bearing, the outer wall of the second axle is fixedly installed with a brake wheel, and the outer wall of the brake wheel frame is rotatably connected with a brake pedal through a third shaft pin.

[0011] In a preferred embodiment of the utility model, a semicircular surface is arranged inside the brake pedal, and the semicircular surface cooperates with the outer wall of the second axle to brake.

[0012] In a preferred embodiment of the utility model, the bottom outer wall of the positioning plate and the top outer wall of the brake wheel frame are both fixedly installed with second movable blocks, and the second shock rod is rotatably connected between the two second movable blocks.

[0013] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or be known by the practice of the utility model.

[0014] 1. The universal wheel assembly and brake wheel assembly are installed on the outer wall of the bottom of the mobile vehicle and are used in cooperation, so that the coal mine impact ground pressure combined monitoring and early warning device can move on the bumpy road surface of the coal mine site, the universal wheel and the brake wheel are independently arranged, the vibration energy is avoided between them, the vibration of the bottom of the mobile vehicle is filtered, the impact on the coal mine impact ground pressure combined monitoring and early warning device is reduced, and the protection of the coal mine impact ground pressure combined monitoring and early warning device is improved.

[0015] 2. The brake pedal is connected with the outer wall of the second axle through clamping connection, so that the operator can quickly lock and release the mobile vehicle after the mobile vehicle moves to the appropriate working position, and the practicality of the equipment and the convenience of the operation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

[0017] Figure 1 It is a main view structure schematic diagram of a coal mine impact ground pressure combined monitoring and early warning device;

[0018] Figure 2 It is a plan view structure schematic diagram of a coal mine impact ground pressure combined monitoring and early warning device;

[0019] Figure 3 It is a bottom view structure schematic diagram of a coal mine impact ground pressure combined monitoring and early warning device;

[0020] Figure 4 It is a universal wheel structure schematic diagram of a coal mine impact ground pressure combined monitoring and early warning device;

[0021] Figure 5 It is a brake wheel structure schematic diagram of a coal mine impact ground pressure combined monitoring and early warning device.

[0022] In the drawing: mobile vehicle 100, handle frame 110, cross rod 111, handle 112, support plate 200, rotating shaft 210, L-shaped connecting rod 220, universal wheel frame 230, first shaft pin 231, movable block 240, first shock absorbing rod 250, axle 260, universal wheel 270, positioning plate 300, second L-shaped connecting rod 310, brake wheel frame 320, second shaft pin 321, second movable block 330, second shock absorbing rod 340, second axle 350, brake wheel 360, brake pedal 370. DETAILED DESCRIPTION

[0023] Embodiments of the present application are described in detail below with reference to the accompanying drawings, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0024] Embodiment 1: as Figures 1-5 , including mobile car 100, the inside of mobile car 100 is installed with coal mine impact ground pressure combined monitoring and early warning device 400, the bottom outer wall of mobile car 100 is rotatably connected with universal wheel assembly and brake wheel assembly, universal wheel assembly includes support plate 200, the bottom end outer wall of support plate 200 is fixedly connected with L-shaped connecting rod 220, the bottom end of L-shaped connecting rod 220 is rotatably connected with universal wheel frame 230, the inner wall of universal wheel frame 230 is rotatably connected with axle 260 through bearing, the left and right outer walls of axle 260 are both fixedly installed with universal wheel 270, the rotatable connection between the outer wall of the bottom end of universal wheel frame 230 and support plate 200 is first shock rod 250, brake wheel assembly includes brake wheel 360, the axle outer wall of brake wheel 360 is matched with brake pedal 370.

[0025] The specific use scene of this embodiment is: through the cooperation of the universal wheel assembly and the brake wheel assembly installed on the bottom outer wall of the mobile car 100, the coal mine impact ground pressure combined monitoring and early warning device 400 can be conveniently moved on the bumpy road surface of the coal mine site, the universal wheel 270 and the brake wheel 360 are independently arranged, the energy of the vibration transmitted between them is avoided, the vibration at the bottom of the mobile car 100 is filtered, the impact on the coal mine impact ground pressure combined monitoring and early warning device 400 is reduced, the protection of the coal mine impact ground pressure combined monitoring and early warning device 400 is improved, the brake pedal 370 is matched with the outer wall of the second axle 350 for connection, so that the operator can quickly lock and release the mobile car 100 after the mobile car 100 is moved to the appropriate working position, and the practicality of equipment use and the convenience of operation are improved.

[0026] Embodiment 2: as Figure 1 and Figure 2 , the rear end outer wall of mobile car 100 is fixedly installed with handle frame 110, the inner wall of handle frame 110 is fixedly connected with cross bar 111, the outer walls of left and right sides of handle frame 110 are both fixedly installed with handle 112.

[0027] The specific use scene of this embodiment is: by setting handle frame 110, installing cross bar 111 and handle 112 on the outer wall of handle frame 110, so that the operator can conveniently and flexibly control the movement of mobile car 100 in different body positions when pushing mobile car 100 to move.

[0028] Embodiment 3: as Figure 4 The top outer wall of the support plate 200 is rotationally connected to the bottom outer wall of the moving vehicle 100 through the rotating shaft 210, the bottom end of the L-shaped connecting rod 220 is rotationally connected to the universal wheel frame 230 through the first shaft pin 231, the bottom outer wall of the universal wheel frame 230 and the top outer wall of the universal wheel frame 230 are both fixedly installed with the movable block 240, and the first shock-absorbing rod 250 is rotationally connected between the two movable blocks 240.

[0029] The specific use scenario of this embodiment is that when the moving vehicle 100 passes through a bumpy road surface, the universal wheels 270 and the brake wheels 360 at the bottom of the moving vehicle 100 can independently jump, thereby avoiding mutual interference between the universal wheels 270 and the brake wheels 360, the first shock-absorbing rod 250 plays a traction role on the top of the universal wheel frame 230, so that the universal wheels 270 independently jump when the universal wheel frame 230 passes through a bumpy road surface, the first shock-absorbing rod 250 is a prior art, and the first shock-absorbing rod 250 includes a damping structure for absorbing energy generated by vibration, thereby playing a shock-absorbing role and improving the protection of the coal mine impact ground pressure combined monitoring and early warning device 400.

[0030] Embodiment 4: as Figure 5 The brake wheel assembly includes a positioning plate 300, the bottom end outer wall of the positioning plate 300 is fixedly connected with the second L-shaped connecting rod 310, the inner wall of the second L-shaped connecting rod 310 is rotationally connected with the brake wheel frame 320 through the second shaft pin 321, the inner wall of the brake wheel frame 320 is rotationally connected with the second axle 350 through a bearing, the outer wall of the second axle 350 is fixedly installed with the brake wheel 360, the outer wall of the brake wheel frame 320 is rotationally connected with the brake pedal 370 through the third shaft pin, the brake pedal 370 is internally provided with a semicircular arc surface, the semicircular arc surface cooperates with the outer wall of the second axle 350 to brake, the bottom outer wall of the positioning plate 300 and the top outer wall of the brake wheel frame 320 are both fixedly installed with the second movable block 330, and the second shock-absorbing rod 340 is rotationally connected between the two second movable blocks 330.

[0031] The specific use scenario of this embodiment is that by setting the brake wheel assembly, the brake pedal 370 is flipped and adheres to the top outer wall of the second axle 350 by pedaling the brake pedal 370, thereby locking the second axle 350, so that the moving vehicle 100 can be fixedly positioned, the brake pedal 370 is separated from the outer wall of the second axle 350 by lifting the brake pedal 370 upward, thereby releasing the axle 260, so that the moving vehicle 100 can move again, and a non-slip pad (not marked in the figure) is arranged at the connection between the axle 260 and the outer wall of the brake pedal 370, thereby increasing the friction between the brake pedal 370 and the axle 260, facilitating locking of the axle 260.

[0032] The working principle of the utility model is: the technical personnel in the field uses, through installing the coal mine impact ground pressure combined monitoring and early warning device 400 in the compartment inside the mobile vehicle 100, through handheld cross bar 111 or handle 112 is used for controlling mobile vehicle 100 to move in the coal mine site, when mobile vehicle 100 passes the bumpy road surface, universal wheel 270 and brake wheel 360 at the bottom of mobile vehicle 100 can independently jump respectively, thereby avoiding the interference between universal wheel 270 and brake wheel 360, first shock bar 250 plays the role of traction to the top of universal wheel frame 230, so that when universal wheel frame 230 passes the bumpy road surface, universal wheel 270 independently jumps, second shock bar 340 plays the role of traction to the top of brake wheel frame 320, so that when brake wheel 360 passes the bumpy road surface, brake wheel 360 independently jumps, universal wheel 270 and brake wheel 360 are not affected between each other, after moving to the appropriate position, through foot brake pedal 370, so that brake pedal 370 overturns, is attached on the top outer wall of second axle 350, thereby plays the role of locking to second axle 350, so that mobile vehicle 100 can be locked and fixed position.

[0033] Although the embodiments of the utility model have been shown and described, those ordinarily skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A coal mine rock burst combined monitoring and early warning device, comprising a mobile vehicle (100), wherein a coal mine rock burst combined monitoring and early warning device (400) is installed inside the mobile vehicle (100), characterized in that, The bottom outer wall of the mobile vehicle (100) is rotationally connected with a universal wheel assembly and a brake wheel assembly, the universal wheel assembly comprises a support plate (200), the bottom end outer wall of the support plate (200) is fixedly connected with an L-shaped connecting rod (220), the bottom end of the L-shaped connecting rod (220) is rotationally connected with a universal wheel frame (230), the inner wall of the universal wheel frame (230) is rotationally connected with an axle (260) through a bearing, the left and right outer walls of the axle (260) are both fixedly installed with universal wheels (270), the universal wheel frame (230) and the bottom end outer wall of the support plate (200) are rotationally connected with a first shock rod (250), the brake wheel assembly comprises a brake wheel (360), the axle outer wall of the brake wheel (360) is matched with a brake pedal (370) in clamping connection.

2. The rock burst combined monitoring and early warning device for coal mines according to claim 1, characterized in that, The rear end outer wall of the mobile vehicle (100) is fixedly installed with a handle frame (110), the inner wall of the handle frame (110) is fixedly connected with a cross rod (111), the outer walls of the left and right sides of the handle frame (110) are both fixedly installed with handles (112).

3. The rock burst combined monitoring and early warning device for coal mines according to claim 1, characterized in that, The top outer wall of the support plate (200) is rotationally connected with the bottom outer wall of the mobile vehicle (100) through a rotating shaft (210), the bottom end of the L-shaped connecting rod (220) is rotationally connected with the universal wheel frame (230) through a first shaft pin (231).

4. The rock burst combined monitoring and early warning device for coal mines according to claim 3, characterized in that, The bottom outer wall of the universal wheel frame (230) and the top outer wall of the universal wheel frame (230) are both fixedly installed with movable blocks (240), the first shock rod (250) is rotationally connected between the two movable blocks (240).

5. The rock burst combined monitoring and early warning device for coal mines according to claim 1, characterized in that, The brake wheel assembly comprises a positioning plate (300), the bottom end outer wall of the positioning plate (300) is fixedly connected with a second L-shaped connecting rod (310), the inner wall of the second L-shaped connecting rod (310) is rotationally connected with a brake wheel frame (320) through a second shaft pin (321).

6. The rock burst combined monitoring and early warning device for coal mines according to claim 5, characterized in that, The inner wall of the brake wheel frame (320) is rotationally connected with a second axle (350) through a bearing, the outer wall of the second axle (350) is fixedly installed with a brake wheel (360), the outer wall of the brake wheel frame (320) is rotationally connected with a brake pedal (370) through a third shaft pin.

7. The rock burst combined monitoring and early warning device for coal mines according to claim 6, characterized in that, The brake pedal (370) is internally provided with a semicircular arc surface, the semicircular arc surface is matched with the outer wall of the second axle (350) for braking.

8. The rock burst combined monitoring and early warning device for coal mines according to claim 7, characterized in that, The bottom outer wall of the positioning plate (300) and the top outer wall of the brake wheel frame (320) are both fixedly installed with second movable blocks (330), the second shock rod (340) is rotationally connected between the two second movable blocks (330).

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