Coal mine tunnel supporting device

Abstract

The utility model relates to the field of coal mine tunnel supporting and discloses a coal mine tunnel supporting device which comprises a supporting wallboard, a fixing base is fixedly arranged on the surface of one side of the supporting wallboard, a plurality of fixing anchor rods are arranged on the surface of the top end of the fixing base, and a tunnel fixing device is fixedly arranged on the inner wall of the supporting wallboard. Supporting arc plates are fixedly arranged on the surfaces of the top ends of the supporting wallboards. A wallboard is placed at the designated position of a roadway, a fixing anchor rod is rotated, the fixing anchor rod penetrates through a fixing base and is connected with the ground, the wallboard is fixed, then a connecting block on the surface of the bottom end of an arc plate is aligned with a connecting groove, a rotary knob is rotated, the rotary knob drives a connecting screw rod, and the connecting screw rod penetrates through the connecting block and the connecting groove to be in threaded connection with a connecting hole; and the wall plates are connected with the arc plates, so that the device is convenient to fix, splice and disassemble, the practicability and convenience of the device are effectively improved, and the device can better adapt to complex and changeable working environments of coal mine roadways and meet the supporting requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the coal mine roadway support field, especially in a coal mine roadway support device. BACKGROUND

[0002] Coal mine is the area that human in rich coal mining area coal resources, generally divided into underground coal mine and open coal mine, when coal seam is far from the ground, generally selects to dig roadway to mine coal, this is underground coal mine, when coal seam is very close to the ground, generally selects directly to strip the surface soil layer and excavates coal, this is open coal mine, in the coal mine excavation engineering, in order to ensure the stability of roadway, improves the safety of mining, needs to support the top surface of the roadway of coal mine excavation.

[0003] At present, the existing public number CN218816471U of Chinese patent discloses a kind of coal mine roadway support device, including support mechanism, stabilizing mechanism, travelling mechanism and support mechanism;Support mechanism includes first base, first base two sides are respectively fixed with first hydraulic cylinder, and the output end of first hydraulic cylinder is fixed with second base;Stabilizing mechanism includes respectively setting stabilizing assembly in the bottom of first base and second base;Travelling mechanism includes respectively setting travelling assembly in the bottom of first base and second base;Support mechanism includes first support assembly fixedly installed in the top surface of first base, and the two sides of first support assembly are respectively hinged with second support assembly, and the bottom end of two second support assemblies is respectively fixedly installed in the top surface of second base.The utility model is adjusted flexibly, convenient to use, applicable to the support work of different specifications of roadway, increase the scope of application, improve the stability of support, improve the safety of roadway, more applicable to the support work of coal mine channel.The device has solved the above problems, but at the same time, the following problems have appeared: device support whole, not easy to carry in the inside of different size roadway, lack of portability, and device support rod height is fixed, not flexible enough, roadway loosening cannot be early warned when device supports, bring inconvenience to staff, therefore a new type of coal mine roadway support device is needed. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems that existing device is not easy to carry in the inside of different size roadway, lacks portability, and device support rod height is fixed, not flexible enough, roadway loosening cannot be early warned when device supports, bring inconvenience to staff.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A coal mine roadway supporting device, including a supporting wall plate, a fixed seat is fixedly arranged on one side surface of the supporting wall plate, a plurality of fixed anchor rods are arranged on the top surface of the fixed seat, a lane fixing device is fixedly arranged on the inner wall of the supporting wall plate, and a supporting arc plate is fixedly arranged on the top surface of the supporting wall plate.

[0007] As a further description of the above technical solution:

[0008] The supporting arc plate comprises an arc plate, a stress sensor, a warning seat, a warning bell, a sound amplification hole, an ear plate seat and a connecting block, the top surface of the arc plate is fixedly provided with a stress sensor, the bottom end surface of the inner wall of the arc plate is fixedly provided with a warning seat, the inside of the warning seat is fixedly provided with a warning bell, the bottom end surface of the warning seat is provided with a plurality of sound amplification holes, one side of the warning seat is provided with an ear plate seat, and the bottom end surface of the arc plate is fixedly provided with a connecting block.

[0009] As a further description of the above technical solution:

[0010] The number of stress sensors is three, and the positions are arranged in an equidistant arc shape, the stress sensors are connected with the warning bell through wires, the number of connecting blocks and ear plate seats is two, and the positions are arranged in a mirror image symmetry, and the side surface of the connecting block is provided with a through hole.

[0011] As a further description of the above technical solution:

[0012] The lane fixing device comprises a protection beam, a protection plate, a connecting knob, a protection column, a limiting knob, a protection telescopic rod, a limiting hole and a connecting ring lock, the protection plates are fixedly arranged on the left and right side surfaces of the protection beam, a plurality of connecting knobs are arranged on one side surface of the protection plate, the protection column is fixedly arranged on the top surface of the protection beam, the limiting knob is arranged on the surface of the protection column, the protection telescopic rod is arranged in the protection column, a plurality of limiting holes are arranged on the surface of the protection telescopic rod, and the ring lock is fixedly arranged on the top end surface of the protection telescopic rod.

[0013] As a further description of the above technical solution:

[0014] The connecting knob penetrates through the protection plate, the position of the limiting hole corresponds to the position of the limiting knob, the position of the ring lock corresponds to the position of the ear plate seat, and the ring lock is connected with the ear plate seat.

[0015] As a further description of the above technical solution:

[0016] The supporting wall plate comprises a wall plate, a connecting groove, a connecting hole, a knob and a connecting screw rod, the connecting groove is arranged on the top surface of the wall plate, the connecting hole is arranged on the inner wall of the connecting groove, the knob is arranged on one side of the wall plate, and the connecting screw rod is fixedly arranged on one side surface of the knob.

[0017] As a further description of the above technical solution:

[0018] The connecting screw rod penetrates the connecting groove, and the connecting screw rod is threadedly connected with the connecting hole.

[0019] The utility model has the advantages of the following:

[0020] In the utility model, the wall plate is placed at a specified position of the roadway, the fixed anchor rod is rotated, the fixed anchor rod penetrates the fixed seat, the fixed anchor rod is connected with the ground, the wall plate is fixed, then the surface connecting block at the bottom end of the arc plate is aligned with the connecting groove, the knob is rotated, the knob drives the connecting screw rod, the connecting screw rod penetrates the connecting block and the connecting groove and is threadedly connected with the connecting hole, the wall plate is connected with the arc plate, the device is convenient to fix, splice and disassemble, the practicability and the convenience of the device are effectively improved, and the device can better adapt to the complex and changeable working environment and supporting requirements of the coal mine roadway.

[0021] The protection beam is placed on the inner wall surface of the wall, the connecting knob is rotated, the connecting knob penetrates the protection plate and is threadedly connected with the hole of the wall, then the ring lock is pushed, the ring lock drives the protection telescopic rod, after the protection telescopic rod is moved to a proper height, the ring lock is connected with the ear plate seat, the limiting knob is rotated again, the limiting knob is connected with the corresponding limiting hole, the supporting telescopic rod height is fixed, the device is convenient to adjust the protection height according to the roadway of different heights, and the safety and the bearing capacity of the device structure are improved.

[0022] The stress sensor senses the deformation of the roadway, when the monitoring data exceeds the set safety threshold, the signal is transmitted to the early warning bell, the early warning bell gives an alarm, the alarm is diffused and propagated to the roadway through the sound amplification hole, and therefore the safety of the coal mine roadway operation and the safety of the life and property of the personnel are effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole three-dimensional structure diagram of the coal mine roadway supporting device.

[0024] Figure 2 It is Figure 1 the structure front view of the supporting arc plate in the utility model.

[0025] Figure 3 It is Figure 1 the structure front view of the roadway fixing device in the utility model.

[0026] Figure 4 It is Figure 1 the structure side view of the supporting wall plate in the utility model.

[0027] LEGEND:

[0028] In the figure: 1, support wallboard; 2, fixed seat; 3, fixed anchor rod; 4, roadway fixing device; 5, support arc plate; 501, arc plate; 502, stress sensor; 503, early warning seat; 504, early warning bell; 505, sound amplification hole; 506, ear plate seat; 507, connecting block; 401, additional protection beam; 402, additional protection plate; 403, connecting knob; 404, additional protection column; 405, limiting knob; 406, additional protection telescopic rod; 407, limiting hole; 408, connecting ring lock; 101, wallboard; 102, connecting groove; 103, connecting hole; 104, knob; 105, connecting screw. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0030] Please refer to 1-4 shown, Figure 1 is a whole three-dimensional structure diagram of the coal mine roadway supporting device of the present application; Figure 2 is Figure 1 the structure front view of the support arc plate in the embodiment; Figure 3 is Figure 1 the structure front view of the roadway fixing device in the embodiment; Figure 4 is Figure 1 the structure side view of the support wallboard in the embodiment.

[0031] The present application provides a coal mine roadway supporting device, which comprises a support wallboard 1, a fixed seat 2 is arranged on one side surface of the support wallboard 1, a plurality of fixed anchor rods 3 are arranged on the top end surface of the fixed seat 2, a roadway fixing device 4 is fixedly arranged on the inner wall of the support wallboard 1, and a support arc plate 5 is fixedly arranged on the top end surface of the support wallboard 1.

[0032] The supporting arc plate 5 comprises an arc plate 501, a stress sensor 502, a warning seat 503, a warning bell 504, sound amplification holes 505, an ear plate seat 506, and a connecting block 507. The stress sensor 502 is fixedly arranged on the top surface of the arc plate 501. The warning seat 503 is fixedly arranged on the inner wall bottom surface of the arc plate 501. The warning bell 504 is fixedly arranged in the warning seat 503. The warning seat 503 is provided with a plurality of sound amplification holes 505 on the bottom surface. The warning seat 503 is provided with the ear plate seat 506 on one side. The connecting block 507 is fixedly arranged on the bottom surface of the arc plate 501. The stress sensor 502 senses the deformation of the roadway. When the monitoring data exceeds the set safety threshold, the signal is transmitted to the warning bell 504, the warning bell 504 sends an alarm, and the alarm is diffused and propagated to the roadway through the sound amplification holes, thereby effectively ensuring the safety of the coal mine roadway operation and the safety of the life and property of the personnel.

[0033] The stress sensor 502 is in an equidistant arc shape. The stress sensor 502 is electrically connected with the warning bell 504. The connecting block 507 and the ear plate seat 506 are in a mirror image symmetry. The connecting block 507 is provided with a through hole on one side surface, so as to improve the sensing area of the device.

[0034] The roadway stabilizing device 4 comprises a protection beam 401, a protection plate 402, a connecting knob 403, a protection column 404, a limiting knob 405, a protection telescopic rod 406, a limiting hole 407, and a connecting ring lock 408. The protection plate 402 is fixedly arranged on the left and right surfaces of the protection beam 401. The protection plate 402 is provided with a plurality of connecting knobs 403 on one side surface. The protection column 404 is fixedly arranged on the top surface of the protection beam 401. The protection column 404 is provided with the limiting knob 405 on the surface. The protection telescopic rod 406 is arranged in the protection column 404. The protection telescopic rod 406 is provided with a plurality of limiting holes 407 on the surface. The ring lock 408 is fixedly arranged on the top surface of the protection telescopic rod 406.

[0035] The protection beam 401 is placed on the inner wall surface of the wall 101. The connecting knob 403 is rotated. The connecting knob 403 penetrates the protection plate 402 and is threadedly connected with the hole of the wall 101. Then the ring lock 409 is pushed. The ring lock 409 drives the protection telescopic rod 406. After the protection telescopic rod 406 is moved to a suitable height, the ring lock 409 is connected with the ear plate seat 506. Then the limiting knob 405 is rotated. The limiting knob 405 is connected with the corresponding limiting hole 407. The height of the protection telescopic rod 406 is fixed. The height of the device can be adjusted according to the different heights of the roadway. The safety and the bearing capacity of the structure of the device are improved.

[0036] The connecting knob 403 penetrates the reinforcing plate 402, the limiting hole 407 is located corresponding to the position of the limiting knob 405, the ring lock 408 is located corresponding to the position of the lug plate seat 506, and the ring lock 408 is connected with the lug plate seat 506, the connecting knob 403 penetrates the reinforcing plate 402, the limiting hole 407 is located corresponding to the position of the limiting knob 405, the ring lock 408 is located corresponding to the position of the lug plate seat 506, and the ring lock 408 is connected with the lug plate seat 506, so that the fixing property is improved.

[0037] The supporting wall plate 1 comprises a wall plate 101, a connecting groove 102, a connecting hole 103, a knob 104 and a connecting screw 105, the wall plate 101 is provided with the connecting groove 102 at the top surface, the connecting groove 102 is provided with the connecting hole 103 on the inner wall, the wall plate 101 is provided with the knob 104 on one side, the knob 104 is provided with the connecting screw 105 on one side surface, the connecting block 507 at the bottom surface of the arc plate 501 is aligned with the connecting groove 102, the knob 104 is rotated, the knob 104 drives the connecting screw 105, the connecting screw 105 penetrates the connecting block 507 and the connecting groove 102 and is screwed with the connecting hole 103, the wall plate 101 is connected with the arc plate 501, the device is convenient to fix, splice and disassemble, the practicability and convenience of the device are effectively improved, and the device can better adapt to the complex and changeable working environment and supporting demand of the coal mine roadway.

[0038] The connecting screw 105 penetrates the connecting groove 102 and is screwed with the connecting hole 103, the connecting groove 102 is located corresponding to the position of the connecting block 507, the connecting screw 105 penetrates the connecting groove 102 and is screwed with the connecting hole 103, the connecting groove 102 is located corresponding to the position of the connecting block 507, so that the practicability of the device is improved.

[0039] Working principle: when the device is used, at this time by placing the wallboard 101 in the designated position of the roadway, rotating the fixed anchor rod 3, the fixed anchor rod 3 penetrates the fixed seat 2, the fixed anchor rod 3 is connected with the ground, and the wallboard 101 is fixed, then the bottom surface connecting block 507 of the arc plate 501 is aligned with the connecting groove 102, the knob 104 is rotated, the connecting screw 105 is driven by the knob 104, the connecting screw 105 penetrates the connecting block 507 and the connecting groove 102 and is screwed with the connecting hole 103, the wallboard 101 is connected with the arc plate 501, the device is convenient to fix, splice and disassemble, the practicability and convenience of the device are effectively improved, the device can better adapt to the complex and changeable working environment and supporting requirements of the coal mine roadway, after splicing, at this time, the added protection beam 401 is placed on the inner wall surface of the wall 101, the connecting knob 403 is rotated, the connecting knob 403 penetrates the added protection plate 402 and is screwed with the hole of the wall 101, then the ring lock 409 is pushed, the added protection telescopic rod 406 is driven by the ring lock 409, the added protection telescopic rod 406 moves to the appropriate height, then the ring lock 409 is connected with the ear plate seat 506, and the limiting knob 405 is rotated, the limiting knob 405 is connected with the corresponding limiting hole 407, the supporting telescopic rod 406 height is fixed, so that the device can conveniently adjust the added protection height according to the roadway with different heights, and the safety and carrying capacity of the structure of the device are enhanced, in the supporting process, the stress sensor 502 senses the deformation of the roadway, when the monitoring data exceeds the set safety threshold, the signal is transmitted to the early warning bell 504, the early warning bell 504 gives an alarm, and the alarm is diffused and propagated to the roadway through the sound amplification hole, so as to effectively protect the safety of the coal mine roadway operation and the life and property safety of the personnel.

[0040] Finally, it should be pointed out that: the above only preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A coal mine roadway support device comprising a support wall panel (1), characterized in that, The supporting wall plate (1) is provided with a fixed seat (2) on one side surface, a plurality of fixed anchor rods (3) are arranged on the top surface of the fixed seat (2), a fixed roadway device (4) is arranged on the inner wall of the supporting wall plate (1), and a supporting arc plate (5) is arranged on the top surface of the supporting wall plate (1). The supporting arc plate (5) comprises an arc plate (501), a stress sensor (502) is arranged on the top surface of the arc plate (501), a warning seat (503) is arranged on the inner wall bottom surface of the arc plate (501), a warning bell (504) is arranged in the warning seat (503), a plurality of sound expansion holes (505) are arranged on the bottom surface of the warning seat (503), an ear plate seat (506) is arranged on one side of the warning seat (503), and a connecting block (507) is arranged on the bottom surface of the arc plate (501).

2. A coal mine roadway support device according to claim 1, characterised in that, The stress sensor (502) is arranged in an equidistant arc shape, and the stress sensor (502) is electrically connected with the warning bell (504); the connecting block (507) and the ear plate seat (506) are arranged in a mirror image symmetry, and the connecting block (507) is provided with a through hole on one side surface.

3. A coal mine roadway support device according to claim 1, characterised in that, The fixed roadway device (4) comprises a guard beam (401), guard plates (402) are arranged on the left and right side surfaces of the guard beam (401), a plurality of connecting knobs (403) are arranged on one side surface of the guard plate (402), a guard column (404) is arranged on the top surface of the guard beam (401), a limiting knob (405) is arranged on the surface of the guard column (404), a guard telescopic rod (406) is arranged in the guard column (404), a plurality of limiting holes (407) are arranged on the surface of the guard telescopic rod (406), and a ring lock (408) is arranged on the top surface of the guard telescopic rod (406).

4. A coal mine roadway support device according to claim 3, characterised in that, The connecting knob (403) penetrates the guard plate (402), the limiting hole (407) corresponds to the position of the limiting knob (405), and the ring lock (408) corresponds to the position of the ear plate seat (506) and is connected therewith.

5. A coal mine roadway support device according to claim 1, characterised in that, The supporting wall plate (1) comprises a wall plate (101), a connecting groove (102) is arranged on the top surface of the wall plate (101), a connecting hole (103) is arranged on the inner wall of the connecting groove (102), a knob (104) is arranged on one side of the wall plate (101), and a connecting screw rod (105) is arranged on one side surface of the knob (104).

6. A coal mine roadway support device according to claim 5, characterised in that, The connecting screw rod (105) penetrates the connecting groove (102), and the connecting screw rod (105) is threadedly connected with the connecting hole (103); and the connecting groove (102) corresponds to the position of the connecting block (507).

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