Mine stress monitoring test equipment

Abstract

The utility model relates to mine stress monitoring test equipment which comprises a stressometer probe, a fixing assembly is installed on the outer side of the stressometer probe, the fixing assembly comprises an installation piece, fixing rods are installed at the four corners of the installation piece in a penetrating mode, and a through hole is formed in the middle of the installation piece. A first fixing piece penetrates through the front end and the rear end of the through hole and is fixedly connected with the mounting plate, threaded columns are fixedly connected to the positions, close to the two sides, of the upper end of the first fixing piece correspondingly, the threaded columns are sleeved with second fixing pieces, and second nuts are in threaded connection with the positions, located above the second fixing pieces, of the outer sides of the threaded columns; according to the device, the stress meter probe can be detachably mounted, meanwhile, a gap between the stress meter probe and rock can be effectively sealed, and water, impurities and the like are prevented from entering the device to affect the measurement precision.

Description

Technical Field

[0001] The present application relates to the technical field of mine stress monitoring, and in particular to a mine stress monitoring test device. Background Art

[0002] Mine stress monitoring test equipment is used to measure and monitor the stress of rocks, soil and other materials in mines. These devices play a vital role in mine engineering, geological engineering and mining engineering, helping engineers understand the distribution and changes of stress inside mines, thereby ensuring the safety and stability of mines.

[0003] However, in actual applications, the existing mine stress monitoring equipment is usually installed by drilling holes in the rock, installing the stress gauge in the installation hole, and fixing it with glue. This installation and fixing method will make it difficult to recycle the stress gauge probe in the future. In addition, during the use of the stress gauge, the environment inside the mine is usually very harsh, including high humidity, high temperature, coal dust, methane and other harmful gases, all of which may affect the normal operation of the equipment.

[0004] Therefore, those skilled in the art provide a mine stress monitoring test device to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the present application provides a mine stress monitoring test equipment.

[0006] The present application provides a mine stress monitoring test equipment adopting the following technical solution:

[0007] A mine stress monitoring test equipment comprises a stress gauge probe, a fixing component is installed on the outer side of the stress gauge probe, the fixing component comprises a mounting plate, fixing rods are respectively installed at the four corners of the mounting plate, a through hole is opened in the middle of the mounting plate, a first fixing plate is fixedly connected to the front and rear ends of the through hole and is fixedly connected to the mounting plate, the upper end of the first fixing plate is fixedly connected to threaded columns on both sides, a second fixing plate is sleeved on the outer side of the threaded column, a second nut is threadedly connected to the outer side of the threaded column and located above the second fixing plate, and a closing component is fixedly connected to the rear end of the mounting plate.

[0008] Preferably, the closing component comprises a mounting frame, a sealing strip is installed through the rear end of the mounting frame, and a plurality of second springs are installed between the front end of the sealing strip and the mounting frame.

[0009] Preferably, the rear end of the sealing strip is provided with two rectangular grooves, dividing the rear end of the sealing strip into three layers.

[0010] Preferably, the rear end of the second fixing plate is fixedly connected to a guard plate, the rear end of the guard plate is fixedly connected to a T-shaped guide bar, a mounting groove is provided through the front end of the mounting plate, and the T-shaped guide bar is installed in the mounting groove.

[0011] Preferably, a first adjusting nut is threadedly connected to the outside of the fixing rod and located at the front end of the mounting plate, and a first spring is sleeved on the outside of the fixing rod and located at the rear end of the mounting plate.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The tail of the strain gauge probe is fixed by the first fixing plate, the second fixing plate, the threaded column and the second nut. The mounting plate can fix the position of the strain gauge probe clamped by the first fixing plate and the second fixing plate by the fixing rod. The position can be adjusted by the first adjusting nut and the first spring so that the strain gauge probe can be installed horizontally. The second fixing plate can cover the tail of the strain gauge probe with the guard plate, the T-shaped guide bar and the mounting groove on the mounting plate. The mounting plate can effectively seal the gap between the strain gauge probe and the rock by the mounting frame, the sealing strip and the second spring. The strain gauge probe can be detachably installed, and the gap between the strain gauge probe and the rock can be effectively sealed to prevent moisture, debris, etc. from entering and affecting the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of this application;

[0015] Figure 2 is a disassembled diagram of the fixed components of the present application;

[0016] Figure 3 It is a schematic diagram of the structure of the installation frame and the sealing strip of the present application;

[0017] Figure 4 It is a cross-sectional view of the installation frame of the present application.

[0018] Explanation of the reference numerals in the accompanying drawings: 1. Strain gauge probe; 2. Fixing assembly; 201. Mounting plate; 202. Fixing rod; 203. First adjusting nut; 204. First spring; 205. Mounting plate; 206. Through hole; 207. Mounting groove; 208. First fixing plate; 209. Threaded column; 210. Second nut; 211. Second fixing plate; 212. Guard plate; 213. T-shaped guide strip; 214. Mounting frame; 215. Sealing strip; 216. Second spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] like Figure 1-2 As shown, the present application discloses a mine stress monitoring test equipment, including a stress gauge probe 1, a fixing assembly 2 is installed on the outer side of the stress gauge probe 1, the fixing assembly 2 includes a mounting plate 201, fixing rods 202 are installed at the four corners of the mounting plate 201, a through hole 206 is opened in the middle of the mounting plate 201, a first fixing plate 208 is installed at the front and rear ends of the through hole 206 and on the mounting plate 205, a threaded column 209 is installed on both sides of the upper end of the first fixing plate 208, a second fixing plate 211 is sleeved on the outer side of the threaded column 209, a second nut 210 is installed on the outer side of the threaded column 209 and above the second fixing plate 211, and a closing assembly is installed at the rear end of the mounting plate 205;

[0022] The fixing rod 202 is driven into the rock to fix the mounting plate 201 , and the first fixing plate 208 cooperates with the threaded column 209 , the second nut 210 and the second fixing plate 211 to fix the tail of the strain gauge probe 1 , so that the strain gauge probe 1 can be detachably installed.

[0023] like Figure 1-2 As shown, a guard plate 212 is installed at the rear end of the second fixing plate 211, and a T-shaped guide bar 213 is installed at the rear end of the guard plate 212. A mounting groove 207 is opened at the front end of the mounting plate 205, and the T-shaped guide bar 213 is installed in the mounting groove 207. The guard plate 212 moves with the second fixing plate 211 to protect the position of the strain gauge probe 1 from dust. The second fixing plate 211 cooperates with the T-shaped guide bar 213 to move along the direction of the mounting groove 207, so that the guard plate 212 fits the mounting plate 205 to improve the sealing.

[0024] like Figure 1 As shown, a first adjusting nut 203 is installed on the outside of the fixing rod 202 and at the front end of the mounting plate 201, and a first spring 204 is sleeved on the outside of the fixing rod 202 and at the rear end of the mounting plate 201. The mounting plate 201 cooperates with the first adjusting nut 203 and the first spring 204 on the fixing rod 202 to adjust the position of the mounting plate 201 so that the strain gauge probe 1 can be installed horizontally.

[0025] like Figure 3-4As shown, the sealing component includes a mounting frame 214, a sealing strip 215 is installed through the rear end of the mounting frame 214, and a plurality of second springs 216 are installed between the front end of the sealing strip 215 and the mounting frame 214. The second springs 216 in the mounting frame 214 push the rubber sealing strip 215 to contact the rock surface to seal the gap between the stress gauge probe 1 and the rock.

[0026] like Figure 3 As shown, the rear end of the sealing strip 215 is provided with two rectangular grooves, which divide the rear end of the sealing strip 215 into three layers. The sealing strip 215 divides the rear end into three layers through the two rectangular grooves, which can improve the sealing performance between the sealing strip and the rock.

[0027] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] The implementation principle of a mine stress monitoring test device in the embodiment of the present application is:

[0030] When in use, a hole is drilled on the rock in the tunnel. The drilled installation hole ensures that the depth and direction of the drilled hole meet the installation requirements of the strain gauge probe 1 to ensure that the strain gauge probe 1 can accurately measure stress changes. The tail of the strain gauge probe 1 is placed between the first fixing plate 208 and the second fixing plate 211, and the second nut 210 is tightened. The second nut 210 drives the second fixing plate 211 to descend along the direction of the threaded column 209 to fix the tail of the strain gauge probe 1. The strain gauge probe 1 is inserted into the installation hole, and the installation plate 201 is adjusted to In the vertical state, the fixing rod 202 is nailed into the rock, and the position of the mounting plate 201 is adjusted to the vertical state by rotating the first adjusting nut 203. The guard plate 212 closes the rear end of the strain gauge probe 1, and the second spring 216 in the mounting frame 214 pushes the sealing strip 215 to contact the rock wall, thereby closing the gap between the strain gauge probe 1 and the rock wall. When the strain gauge probe 1 needs to be removed, the strain gauge probe 1 can be removed by loosening the second nut 210, and the fixing rod 202 can be pulled out, so that the fixing assembly 2 can be reused.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A mine stress monitoring test equipment, comprising a stress gauge probe (1), wherein a fixing component (2) is installed outside the stress gauge probe (1), characterized in that: The fixing assembly (2) comprises a mounting plate (201), fixing rods (202) are respectively installed at four corners of the mounting plate (201), a through hole (206) is opened in the middle of the mounting plate (201), a first fixing plate (208) is inserted through the front and rear ends of the through hole (206) and is fixedly connected to the mounting plate (205), a threaded column (209) is respectively fixedly connected to the upper end of the first fixing plate (208) on both sides, a second fixing plate (211) is sleeved on the outer side of the threaded column (209), a second nut (210) is threadedly connected to the outer side of the threaded column (209) and located above the second fixing plate (211), and a closing assembly is fixedly connected to the rear end of the mounting plate (205).

2. A mine stress monitoring test equipment according to claim 1, characterized in that: The sealing component comprises a mounting frame (214), a sealing strip (215) is installed through the rear end of the mounting frame (214), and a plurality of second springs (216) are installed between the front end of the sealing strip (215) and the mounting frame (214).

3. A mine stress monitoring test equipment according to claim 2, characterized in that: The rear end of the sealing strip (215) is provided with two rectangular grooves, and the rear end of the sealing strip (215) is divided into three layers.

4. A mine stress monitoring test equipment according to claim 1, characterized in that: The rear end of the second fixing plate (211) is fixedly connected to a guard plate (212), the rear end of the guard plate (212) is fixedly connected to a T-shaped guide bar (213), a mounting groove (207) is provided at the front end of the penetrating mounting plate (205), and the T-shaped guide bar (213) is mounted in the mounting groove (207).

5. A mine stress monitoring test equipment according to claim 1, characterized in that: A first adjusting nut (203) is threadedly connected to the front end of the mounting plate (201) and located outside the fixing rod (202), and a first spring (204) is sleeved on the rear end of the mounting plate (201) and located outside the fixing rod (202).

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