Roadway surrounding rock stress monitoring and alarming device

Abstract

The utility model relates to the technical field of alarm devices, and discloses a roadway surrounding rock stress monitoring alarm device which comprises an air bag monitoring mechanism, a monitor body and an air pump, a buffer box is fixedly arranged on the upper end face of the monitor body, and a buffer inclined plate is slidably arranged on the inner wall of the buffer box in a sleeved mode. Two buffer springs are fixedly arranged between the buffer inclined plate and the buffer box, a mounting ring is fixedly arranged in the middle of the rear end face of the monitor body, an air head is fixedly arranged on the inner wall of the front side of a mounting groove, and the air bag monitoring mechanism comprises a mounting block, an inner air bag, a hard pipe and a valve. According to the utility model, the buffer inclined plate is buffered through the buffer spring below the buffer inclined plate, so that the monitor main body is prevented from being damaged by broken stones, when the stress in the rock is changed, the outer air bag is extruded, the stress sheet in the outer air bag is extruded, and the stress change is monitored through the stress sheet; and the rock stress monitoring is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to alarm device technical field especially relates to a roadway surrounding rock stress monitoring alarm device. BACKGROUND

[0002] Roadway surrounding rock stress monitoring is to evaluate and control the stress state of surrounding rock in underground roadway, thereby ensuring the safety and stability of roadway, through monitoring surrounding rock stress, potential risks can be found in time, and corresponding measures are taken to avoid accidents, and monitoring data is used to guide support design and adjustment of construction scheme, and the monitoring alarm device is used when monitoring rock stress.

[0003] Most of the existing monitoring alarm devices are fixed on the surface of the rock, and the monitoring structure is inserted into the rock, but the gap between the monitoring structure and the rock causes inaccurate rock stress monitoring, and the debris on the top of the roadway can fall on the monitoring device and cause damage to the monitoring device, therefore, the technical personnel in the art provides a roadway surrounding rock stress monitoring alarm device to solve the problems in the background art. SUMMARY

[0004] The utility model discloses a kind of roadway surrounding rock stress monitoring alarm devices to solve the problems in the background art, and the buffering spring under buffering inclined plate is used to buffer buffering inclined plate, avoid debris damage monitor main body, make rock stress monitoring more accurate.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of roadway surrounding rock stress monitoring alarm device, including air bag monitoring mechanism, monitor main body and air pump, the buffering box is fixedly arranged on the upper end surface of the monitor main body, buffering inclined plate is slidably sleeved in the inner wall of the buffering box, two buffering springs are fixedly arranged between the buffering inclined plate and the buffering box, the middle position of the rear end surface of the monitor main body is fixedly arranged with mounting ring, the air head is fixedly arranged on the inner wall of the front side of the mounting ring.

[0006] The air bag monitoring mechanism includes mounting block, inner air bag, hard pipe and valve, the outer air bag is fixedly arranged on the rear end surface of the mounting block, a plurality of stress sheets are fixedly arranged between the outer air bag and the inner air bag, the middle position of the front end surface of the mounting block is provided with air groove.

[0007] Further, the upper side and the lower side position of the both sides of the front end surface of the monitor main body are provided with fixed hole, and the inner wall of the four fixed holes is provided with fixed nail.

[0008] Further, the rear side position of the middle of the one side end surface of the monitor main body is provided with circular groove, the inner wall of the circular groove is fixedly provided with filter screen on one side position, and the air pump is fixedly arranged in the inner wall of the circular groove.

[0009] Further, the air pump outlet is fixedly connected with the air head through a pipeline, and the control panel is fixedly arranged on the front end surface of the monitor body.

[0010] Further, the installation block is sleeved with the installation ring through threads, and the air head is fixedly connected with the valve and slidably arranged in the inner wall of the air groove.

[0011] Further, the butt joint groove is arranged on the outer side of the front end surface of the installation block, and the butt joint groove is electrically connected with the stress pieces.

[0012] Further, the hard pipe is fixedly arranged in the middle position of the rear end surface of the installation block through the inner air bag, and the hard pipe is provided with a plurality of air holes on the outer end surface.

[0013] Further, the inner air bag is arranged in the outer air bag, and the valve is fixedly arranged in the inner wall of the air groove.

[0014] The utility model discloses have following beneficial effect:

[0015] 1. The utility model provides a roadway surrounding rock stress monitoring alarm device, first through the installation block and fix the air bag monitoring mechanism in the installation ring inside behind the monitor body, it is convenient to install air bag monitoring mechanism, and is provided with the buffer mechanism on the monitor body top, when having small broken stone to drop down, will drop on the buffer inclined plate, buffers the buffer spring below buffer inclined plate and buffers buffer inclined plate to avoid broken stone damage monitor body.

[0016] 2. The utility model provides a roadway surrounding rock stress monitoring alarm device, when installing air bag monitoring mechanism, the hardness of air bag is increased by the hard pipe in the inner air bag, so that the air bag monitoring mechanism can be easily inserted into the hole, the gas passes through the hard pipe and enters the inner air bag, and the inflated inner air bag can support the outer air bag, and the outer air bag is supported on the inner wall of the hole. When the stress in the rock changes, it will press the outer air bag, thereby pressing the stress piece in the outer air bag, and the stress change is monitored through the stress piece, so that the rock stress monitoring is more accurate. DRAWINGS

[0017] Figure 1 It is the axial measurement schematic drawing of the utility model;

[0018] Figure 2 It is the axial measurement schematic drawing of the monitor body of the utility model;

[0019] Figure 3 It is the downward section schematic drawing of the monitor body of the utility model;

[0020] Figure 4 It is the side section schematic drawing of the buffer box of the utility model;

[0021] Figure 5 It is the shaft measurement schematic view of the air bag monitoring mechanism of the utility model;

[0022] Figure 6 It is the down sectional view schematic view of the air bag monitoring mechanism of the utility model.

[0023] Legend:

[0024] 1, air bag monitoring mechanism; 2, fixed nail; 3, round groove; 4, filter screen; 5, fixed hole; 6, monitor main body; 7, control panel; 8, buffer box; 9, buffer inclined plate; 10, buffer spring; 11, mounting ring; 12, air head; 13, air pump; 101, outer air bag; 102, mounting block; 103, air groove; 104, butt joint groove; 105, valve; 106, air hole; 107, hard pipe; 108, inner air bag; 109, stress sheet. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Reference Figures 1-4 The utility model provides an embodiment: a roadway surrounding rock stress monitoring alarm device, including air bag monitoring mechanism 1, monitor main body 6 and air pump 13, monitor main body 6 upper end face fixedly set with buffer box 8, buffer box 8 inner wall slidingly covers and sets with buffer inclined plate 9, and two buffer springs 10 are fixedly set between buffer inclined plate 9 and buffer box 8, and the middle position of the rear end surface of monitor main body 6 is fixedly set with mounting ring 11, and the front side inner wall of mounting ring 11 is fixedly set with air head 12;

[0027] The upper side and the lower side position of both sides of the front end surface of monitor main body 6 are all provided with fixed hole 5, and the inner wall of four fixed holes 5 is all provided with fixed nail 2, the rear side position of the middle of the one side end surface of monitor main body 6 is provided with round groove 3, and the inner wall of round groove 3 is fixedly set with filter screen 4 on one side position, air pump 13 is fixedly set in the inner wall of round groove 3, and the air outlet end of air pump 13 is fixedly connected with air head 12 through pipeline, and the front end surface of monitor main body 6 is fixedly set with control panel 7.

[0028] Specifically, first, the air bag monitoring mechanism 1 is fixed inside the mounting ring 11 behind the monitor body 6 through the mounting block 102, then it is inserted into the hole inside the surrounding rock, and the fixing nail 2 is embedded into the rock layer through the fixing hole 5, thereby fixing the monitor body 6. The air pump 13 in the circular groove 3 inflates the air head 12, and the air is filled into the air bag monitoring mechanism 1 through the air head 12, so that the air bag monitoring mechanism 1 is inflated to facilitate the stress monitoring of the surrounding rock stress. The buffer mechanism is arranged above the monitor body 6. When small stones fall downward, they will fall on the buffer inclined plate 9, and the buffer spring 10 below the buffer inclined plate 9 buffers the buffer inclined plate 9 to avoid damage to the monitor body 6. When the monitoring stress is not correct, the monitor body 6 will issue an alarm to remind the staff.

[0029] Referring to Figure 5 , Figure 6 , the air bag monitoring mechanism 1 comprises a mounting block 102, an inner air bag 108, a hard pipe 107 and a valve 105. The outer air bag 101 is fixedly arranged at the rear end face of the mounting block 102. A plurality of stress pieces 109 are fixedly arranged between the outer air bag 101 and the inner air bag 108. The middle position of the front end face of the mounting block 102 is provided with a gas groove 103.

[0030] The mounting block 102 is threadedly sleeved on the inner wall of the mounting ring 11. The air head 12 is slidably arranged in the inner wall of the gas groove 103 and fixedly connected with the valve 105. The butt joint groove 104 is arranged at the outer side position of the front end face of the mounting block 102 and is electrically connected with the plurality of stress pieces 109. The hard pipe 107 is fixedly arranged at the middle position of the rear end face of the mounting block 102 and penetrates the inner air bag 108. A plurality of air holes 106 are arranged on the outer end face of the hard pipe 107. The inner air bag 108 is arranged inside the outer air bag 101. The valve 105 is fixedly arranged on the inner wall of the gas groove 103.

[0031] Specifically, when the air bag monitoring mechanism 1 is installed, the hardness of the air bag is increased by the hard pipe 107 inside the inner air bag 108, so that the air bag monitoring mechanism 1 can be easily inserted into the hole. The gas enters the hard pipe 107 inside through the valve 105, and the gas enters the inner air bag 108 through the air holes 106 on the outer end of the hard pipe 107. The inner air bag 108 will support the outer air bag 101, and the outer air bag 101 will be supported on the inner wall of the hole. When the stress in the rock changes, it will press the stress pieces 109 inside the outer air bag 101, thereby monitoring the stress change and making the rock stress monitoring more accurate.

[0032] Working principle: when the monitoring device is used, first, the installation block 102 is screwed into the inner wall of the installation ring 11, the air head 12 is inserted into the inner wall of the air groove 103 and connected with the valve 105, then the air bag monitoring mechanism 1 is inserted into the hole in the inner wall, the fixing nail 2 is passed through the fixing hole 5 to fix the monitor main body 6 on the surrounding rock, the inner air bag 108 is inflated by the air pump 13 in the inner wall of the circular groove 3, the inflated inner air bag 108 is inflated to support the outer air bag 101, the outer air bag 101 is supported in the hole, the stress sheet 109 is arranged between the outer air bag 101 and the inner air bag 108, the stress of the surrounding rock will extrude the outer air bag 101, so as to extrude the stress sheet 109 in the air bag, so as to monitor the stress;

[0033] Secondly, when the air bag monitoring mechanism 1 is connected with the monitor main body 6, the installation block 102 is screwed into the installation ring 11, the butt joint groove 104 on the installation block 102 is connected with the butt joint ring, so that the data sensed by the stress sheet 109 can be transmitted to the monitor main body 6, the monitor main body 6 can be controlled through the control panel 7 in front of the monitor main body 6, and the buffer mechanism is arranged above the monitor main body 6, when small stones fall downward, the small stones will fall on the buffer inclined plate 9, and the buffer spring 10 below the buffer inclined plate 9 buffers the buffer inclined plate 9.

[0034] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and does not limit 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 still can 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, should be included in the protection scope of the present application.

Claims

1. A roadway surrounding rock stress monitoring alarm device, comprising a gas bag monitoring mechanism (1), a monitor main body (6) and a gas pump (13), characterized in that: The upper end face of the monitor body (6) is fixedly provided with a buffer box (8), the inner wall of the buffer box (8) is slidably sleeved with a buffer inclined plate (9), two buffer springs (10) are fixedly arranged between the buffer inclined plate (9) and the buffer box (8), the middle position of the rear end face of the monitor body (6) is fixedly provided with a mounting ring (11), and the front inner wall of the mounting ring (11) is fixedly provided with an air head (12). The air bag monitoring mechanism (1) comprises a mounting block (102), an inner air bag (108), a hard pipe (107) and a valve (105), the rear end face of the mounting block (102) is fixedly provided with an outer air bag (101), a plurality of stress sheets (109) are fixedly arranged between the outer air bag (101) and the inner air bag (108), and the middle position of the front end face of the mounting block (102) is provided with a gas groove (103).

2. The roadway surrounding rock stress monitoring and alarming device according to claim 1, characterized in that: The upper side and the lower side of the front end face of the monitor body (6) are provided with fixed holes (5), and the inner wall of the four fixed holes (5) is provided with fixed nails (2).

3. The roadway surrounding rock stress monitoring and alarming device according to claim 1, characterized in that: The rear side of the middle of one side end face of the monitor body (6) is provided with a circular groove (3), one side of the inner wall of the circular groove (3) is fixedly provided with a filter screen (4), and the air pump (13) is fixedly arranged in the inner wall of the circular groove (3).

4. The roadway surrounding rock stress monitoring and alarming device according to claim 1, characterized in that: The air outlet end of the air pump (13) is fixedly connected with the air head (12) through a pipeline, and the front end face of the monitor body (6) is fixedly provided with a control panel (7).

5. The roadway surrounding rock stress monitoring and alarming device according to claim 1, characterized in that: The mounting block (102) is threadedly sleeved in the inner wall of the mounting ring (11), the air head (12) is slidably arranged in the inner wall of the gas groove (103) and fixedly connected with the valve (105).

6. The roadway surrounding rock stress monitoring and alarming device according to claim 1, characterized in that: The front end face of the mounting block (102) is provided with a butt joint groove (104) on the outer side, and the butt joint groove (104) is electrically connected with the plurality of stress sheets (109).

7. The roadway surrounding rock stress monitoring and alarming device according to claim 1, characterized in that: The hard pipe (107) is fixedly arranged in the middle position of the rear end face of the mounting block (102) and penetrates the inner air bag (108), and a plurality of air holes (106) are formed in the outer end face of the hard pipe (107).

8. The roadway surrounding rock stress monitoring and alarming device according to claim 1, characterized in that: The inner air bag (108) is arranged in the outer air bag (101), and the valve (105) is fixedly arranged in the inner wall of the gas groove (103).

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