Rock burst monitoring and early warning device

Abstract

The utility model belongs to the field of rock drift detection, and particularly relates to a rock burst monitoring and early warning device which comprises an installation frame, clamping grooves are formed in the two sides of the installation frame, a fixing drill rod is arranged on the surface of the installation frame in a penetrating mode, a supporting frame is installed in the clamping grooves in a clamped mode, and a plurality of installation holes are formed in the surface of the supporting frame at equal intervals. A mounting plate is fixedly connected to the top of the mounting frame, a detection control instrument is arranged on the top surface of the mounting plate, and a plurality of slots are fixedly connected to the top surface of the detection control instrument at equal intervals; by rotating a rotary knob at the bottom of a sleeve shell, a pressure sensing block abuts against rock to a certain degree, meanwhile, a supporting frame is fixed, the pressure sensing block is inserted into an inserting groove through a wire, the pressure on the pressure sensing block is changed according to the deformation condition of the rock on the inner wall of an underground tunnel, and a detection controller monitors the data change condition and gives an alarm. The device can conveniently adapt to the complicated working condition of the inner wall surface of the tunnel, and the adaptability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of rockway detection, and specifically relates to an impact ground pressure monitoring and early warning device. BACKGROUND

[0002] The impact ground pressure occurring at the place where people work can often overturn production equipment, destroy supporting facilities, destroy the roadway and working face, and cause personnel casualties; the impact ground pressure of high seismic magnitude will destroy the working face or roadway no matter where it occurs, and often affects the ground surface building and destroys the ground surface house, and even induces the earthquake. Therefore, the impact ground pressure seriously destroys the safety production of the mine.

[0003] One of the impact ground pressure monitoring methods is the observation of the stress distribution of the roadway surrounding rock: the support pressure and the surrounding rock deformation are observed to judge the roof weighting law and evaluate the occurrence possibility of the impact ground pressure.

[0004] The existing impact ground pressure monitoring and early warning device is not easy to achieve stable installation and adapt to the complex working conditions of the rockway surface, which can reduce the adaptability of the device.

[0005] Therefore, the impact ground pressure monitoring and early warning device is proposed for the above problems. UTILITY MODEL CONTENT

[0006] In order to make up for the problems in the prior art, the utility model provides an impact ground pressure monitoring and early warning device.

[0007] The utility model discloses a kind of impact ground pressure monitoring and early warning devices, including mounting frame, the two sides of the mounting frame are provided with clamping slot, the surface of the mounting frame is provided with fixed drill, the inside of the clamping slot is hingedly installed with support frame, the surface of the support frame is equidistantly provided with a plurality of installation holes, the top of the mounting frame is fixedly connected with mounting plate, the top surface of the mounting plate is provided with detection control instrument, the top surface of the detection control instrument is fixedly connected with a plurality of insertion slots at equal distance, the inside of the installation hole is provided with threaded column, one side of the threaded column is fixedly connected with mounting block, the front side of the mounting block is automatically connected with sleeve ring, the inside of the sleeve ring is threadedly cooperated with sleeve shell, the inside of the sleeve shell is fixedly embedded with pressure sensing block.

[0008] Preferably, one end of the wire is fixedly inserted into the inside of the insertion slot, and the other end of the wire is fixedly connected to the bottom of the pressure sensing block.

[0009] Preferably, the surface of the threaded column is threadedly cooperated with nut, and the side surface of the nut abuts against the side surface of the support frame.

[0010] Preferably, the outside of the sleeve shell is fixedly connected with knob near the bottom.

[0011] Preferably, the inner side of the mounting block is provided with mounting grooves, and the inner walls of adjacent two mounting grooves are clamped with clamping plates.

[0012] Preferably, the bottom surface of the detection control instrument is provided with bolt combinations in penetration, and the detection control instrument is fixedly connected with the mounting plate through the bolt combinations.

[0013] The utility model discloses the beneficial effect lies in:

[0014] 1. The utility model discloses a knob is rotated to the bottom of rotating sleeve shell, makes pressure response piece to a certain degree to the rock resistance, fixes simultaneously to support frame, and pressure response piece is inserted in the plug -in groove inside through wire, changes the pressure of pressure response piece through the deformation condition of the rock of gallery inner wall, and the data change condition is monitored through detection control instrument and is warned, and the device is convenient for adapting the working condition of the complex surface of gallery inner wall, improves the adaptability of device.

[0015] 2. The utility model discloses the mounting block is extruded and deformed, and the bending clamping plate is observed, and the bending amplitude of clamping plate is observed, and the possibility of rock burst is further analyzed. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0017] Figure 1 It is the front view structure schematic diagram of the utility model;

[0018] Figure 2 It is the mounting block structure schematic diagram of the utility model;

[0019] Figure 3 It is the mounting frame structure schematic diagram of the utility model;

[0020] Figure 4 It is the front view structure schematic diagram of the utility model.

[0021] In the drawing: 1, mounting frame;2, clamping groove;3, fixed drill;4, support frame;5, mounting hole;6, mounting plate;7, bolt combination;8, detection control instrument;9, plug -in groove;10, wire;11, threaded column;12, nut;13, mounting block;14, sleeve ring;15, sleeve shell;16, knob;17, pressure response piece;18, clamping plate;19, mounting groove. CONCRETE IMPLEMENTATION

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0023] Please refer to Figures 1-4 As shown in the figure, a rock burst monitoring and early warning device, including the mounting frame 1, the two sides of mounting frame 1 are provided with clamping groove 2, the surface of mounting frame 1 is provided with fixed drill 3, the inside of clamping groove 2 is provided with support frame 4, the surface of support frame 4 is provided with a plurality of installation holes 5 equidistantly, the top of mounting frame 1 is fixedly connected with mounting plate 6, the top surface of mounting plate 6 is provided with detection control instrument 8, the top surface of detection control instrument 8 is fixedly connected with a plurality of insertion slots 9 equidistantly, the inside of installation hole 5 is provided with threaded column 11, one side of threaded column 11 is fixedly connected with mounting block 13, the front side of mounting block 13 is automatically connected with sleeve ring 14, the inside of sleeve ring 14 is threadedly matched with sleeve shell 15, the inside of sleeve shell 15 is fixedly embedded with pressure sensing block 17;

[0024] Further, one end of the wire 10 is fixedly inserted into the inside of the insertion slot 9, and the other end of the wire 10 is fixedly connected to the bottom of the pressure sensing block 17.

[0025] When working, the structure design that the two ends of the wire 10 are respectively inserted into the inside of the insertion slot 9 and fixedly connected to the bottom of the pressure sensing block 17 facilitates the device to record the pressure change of the pressure sensing block 17.

[0026] Further, the surface of the threaded column 11 is threadedly matched with the nut 12, and the side surface of the nut 12 abuts against the side surface of the support frame 4.

[0027] When working, the structure design that the side surface of the nut 12 abuts against the side surface of the support frame 4 enables the nut 12 to fixedly position the threaded column 11, thereby improving the stability of the threaded column 11 during installation.

[0028] Further, the outside of the sleeve shell 15 near the bottom position is fixedly connected with the knob 16.

[0029] When working, the structure design that the outside of the sleeve shell 15 near the bottom position is fixedly connected with the knob 16 facilitates the sleeve shell 15 to rotate by controlling the knob 16.

[0030] Further, the inside of the mounting block 13 is provided with the mounting slot 19, and the inner walls of the adjacent two mounting slots 19 are clamped with the clamping plate 18.

[0031] When working, the structure that the clamping plate 18 is clamped and installed through the inner wall of the two adjacent installation grooves 19 facilitates the deformation of the clamping plate 18 caused by the extrusion of the support frame 4, and the possible occurrence of the rock burst is observed.

[0032] Further, the bottom surface of the detection control instrument 8 is provided with the bolt combination 7, and the detection control instrument 8 is fixedly connected with the mounting plate 6 through the bolt combination 7.

[0033] When working, the structure that the detection control instrument 8 is fixedly connected with the mounting plate 6 through the bolt combination 7 improves the stability of the detection control instrument 8 during installation.

[0034] Working principle: first, the mounting frame 1 is fixedly installed in a suitable working site through the fixing rod 3, then the support frame 4 is clamped and installed in the inside of the clamping groove 2, and the detection control instrument 8 is fixedly installed on the mounting plate 6 through the bolt combination 7, at this time, the threaded column 11 is installed in the installation hole 5 in a suitable position, the threaded column 11 is screwed on the surface through the nut 12, the clamping plate 18 is clamped and installed in the installation groove 19 in advance, at this time, the knob 16 at the bottom of the sleeve 15 is rotated, the pressure sensing block 17 is tightly pressed against the rock to a certain extent, and the support frame 4 is fixed, the pressure sensing block 17 is inserted into the insertion slot 9 through the wire 10, the pressure of the pressure sensing block 17 is changed through the deformation of the rock on the inner wall of the tunnel, the data change is monitored through the detection control instrument 8 and an alarm is given, the clamping plate 18 is bent through the extrusion deformation of the mounting block 13, and the bending amplitude of the clamping plate 18 is observed.

[0035] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A rock burst monitoring and early warning device comprising a mounting frame (1), characterized in that: Both sides of the mounting frame (1) are provided with clamping grooves (2), the surface of the mounting frame (1) is provided with a fixed rivet (3), the inside of the clamping groove (2) is provided with a support frame (4), the surface of the support frame (4) is provided with a plurality of mounting holes (5) at equal intervals, the top of the mounting frame (1) is fixedly connected with a mounting plate (6), the top surface of the mounting plate (6) is provided with a detection control instrument (8), the top surface of the detection control instrument (8) is fixedly connected with a plurality of insertion grooves (9) at equal intervals, the inside of the mounting hole (5) is provided with a threaded column (11), one side of the threaded column (11) is fixedly connected with a mounting block (13), the front side of the mounting block (13) is automatically connected with a sleeve ring (14), the inside of the sleeve ring (14) is threadedly matched with a sleeve shell (15), the inside of the sleeve shell (15) is fixedly embedded with a pressure sensing block (17).

2. The rock burst monitoring and warning device according to claim 1, characterized in that: One end of the wire (10) is fixedly inserted into the inside of the insertion groove (9), the other end of the wire (10) is fixedly connected with the bottom of the pressure sensing block (17).

3. The rock burst monitoring and warning device according to claim 1, characterized in that: The surface of the threaded column (11) is threadedly matched with a nut (12), the side surface of the nut (12) abuts against the side surface of the support frame (4).

4. The rock burst monitoring and warning device according to claim 1, characterized in that: The outside of the sleeve shell (15) is fixedly connected with a knob (16) near the bottom.

5. The rock burst monitoring and warning device according to claim 1, characterized in that: The inside of the mounting block (13) is provided with a mounting groove (19), the inside walls of two adjacent mounting grooves (19) are clamped with clamping plates (18).

6. The rock burst monitoring and warning device according to claim 1, characterized in that: The bottom surface of the detection control instrument (8) is provided with a bolt combination (7), the detection control instrument (8) is fixedly connected with the mounting plate (6) through the bolt combination (7).

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