Coal mine ground stress testing device
By designing a coal mine ground stress testing device that is automatically stored and protected, the problems of easy damage to the probe rod and inconvenient transmission line combing are solved, which extends the service life of the device and improves the operation convenience.
Patent Information
- Application Number
- CN202422368771.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-09-27
AI Technical Summary
When the existing coal mine ground stress testing device is not in use, the probe rod is easily damaged by the external environment, and there are many transmission lines, which are prone to knotting and tangling, making it inconvenient to store, which affects the next test.
A coal mine ground stress testing device is designed. Through wrapping protection, the probe rod is automatically stored when not in use, and the transmission line connection head is clamped and fixed by using adjustment components and cardboard to avoid damage and orderly combing the line.
It effectively extends the service life of the device, avoids damage to the probe rod, and facilitates the combing of the transmission line, improving the cleanliness and operational convenience of the device.
Smart Images

Figure CN222976881U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mine in-situ stress testing, in particular to a coal mine in-situ stress testing device. Background Art
[0002] Coal mine in-situ stress testing refers to measuring and analyzing the in-situ stress state of coal seams and their surrounding rocks before or during coal mine exploitation, so as to evaluate the stability of the mine, predict possible geological disasters, and provide a scientific basis for mine design and safe exploitation.
[0003] For the existing coal mine in-situ stress testing devices, when not in use, the probe rods often remain exposed, and are easily damaged due to the external environment, resulting in a shortened service life of the device. Moreover, there are many transmission lines in the device, and it is inconvenient to store the transmission lines. The lines are easily knotted and wound together, affecting the operation during the next test.
[0004] Therefore, aiming at the situation that the probe rods of the existing coal mine in-situ stress testing devices are easily damaged and the transmission lines are inconvenient to sort out, a coal mine in-situ stress testing device can be designed. By means of wrapping and protection, when the device is not in use, the connection heads of the device transmission lines are automatically clamped and fixed, and the probe rods are stored to avoid damage to the probe rods, effectively extending the service life of the device. At the same time, each transmission line is sorted out in an orderly manner to ensure the cleanliness of the device and facilitate the next test operation, enhancing the practical value of the device. Summary of the Utility Model
[0005] In order to overcome the problems that for most coal mine in-situ stress testing devices, when not in use, the probe rods are easily damaged by the external environment, and there are many transmission lines in the device, the transmission lines are easily knotted and wound together, and it is inconvenient to store, affecting the next test.
[0006] The technical solution of the utility model is: a coal mine in-situ stress testing device, which includes a device main body, a moving component, a power supply component, a first transmission line, a connection head, a second transmission line, a testing component, a storage block, a storage groove, a protective layer, a bidirectional adjustment screw rod, an adjustment component and a clamping plate; a moving component is arranged on one side of the device main body, a power supply component is arranged on one side of the device main body, a first transmission line is arranged on the other side of the device main body, a connection head is arranged at one end of the first transmission line, a second transmission line is arranged on one side of the connection head, the second transmission line is electrically connected to the connection head, the connection head is electrically connected to the first transmission line, multiple groups of second transmission lines are arranged, a testing component is arranged at one end of the second transmission line, a storage block is arranged on one side of the device main body, a storage groove is opened on one side of the storage block, a protective layer is arranged inside the storage groove, a bidirectional adjustment screw rod is arranged above the device main body, an adjustment component is arranged on the outer side of the bidirectional adjustment screw rod, and a clamping plate is arranged on the outer side of the adjustment component.
[0007] Preferably, the mobile component is set to flexibly move the device body, the power supply component is used to supply energy to the device body, the stress test component is used to perform in-situ stress tests, and the data is transmitted to the connector through the second transmission line. The first transmission line is connected and fixed through the connector, and the data is transmitted to the device body through the first transmission line for analysis and processing operations. When the device is not in use, the test component is placed in the storage groove of the storage block. At the same time, the test component is protected by wrapping it with a protective layer. The bidirectional adjustment screw rod is rotated by controlling the adjustment component, and the distance between the two sets of clamping plates is adjusted by rotating the bidirectional adjustment screw rod. The connector is clamped and fixed by the clamping plates, so as to automatically clamp and fix the transmission line connector of the device and store the probe rod when the device is not in use, avoid damage to the probe rod, effectively extend the service life of the device, and enhance the practical value of the device.
[0008] Preferably, the mobile component includes a stop universal wheel and a handle; the bottom surface of the device body is provided with stop universal wheels, and multiple sets of stop universal wheels are provided, which are arranged at the four corners of the bottom surface of the device body. The top of the device body is provided with handles, and two sets of handles are provided.
[0009] Preferably, the power supply component includes a power cord and a wire management rack; a power cord is provided on one side of the device body, and a wire management rack is also provided on one side of the device body.
[0010] Preferably, the test component includes a handle, a probe rod and a display; one end of the second transmission line is provided with a handle, one end of the handle is provided with a probe rod, and the display is provided on the upper surface of the device body.
[0011] Preferably, the probe rod and the second transmission line are electrically connected to each other, and the first transmission line and the display are electrically connected to each other.
[0012] Preferably, multiple sets of storage blocks are provided, and the number of storage blocks is the same as that of the probe rods, and the storage grooves are fitted with the probe rods.
[0013] Preferably, the adjustment component includes a fixed block, an adjustment groove, a motor, a guide rail and a connecting plate; the fixed block is provided on the top of the device body, an adjustment groove is opened on one side of the fixed block, the motor is provided on the top of the fixed block, the guide rail is also provided inside the adjustment groove, and the connecting plate is provided on the outside of the bidirectional adjustment screw rod.
[0014] Preferably, the output end of the motor is connected to the bidirectional adjustment screw rod, two sets of adjustment grooves are opened, multiple sets of guide rails are symmetrically arranged, the connecting plate is slidably connected to the guide rail, and the clamping plate is provided on the outside of the connecting plate.
[0015] The beneficial effects of the present utility model:
[0016] 1. After the test operation, the probe rods are successively placed into the storage grooves on the storage block, and the protective layer is used to wrap and protect the probe rods. At the same time, the connecting head is placed in front of the fixed block. Subsequently, the motor drives the bidirectional adjusting screw rod to rotate, so that the connecting plate slides up and down in the adjusting groove along the guide rail, thereby adjusting the distance between the two clamping plates. The connecting head is clamped and fixed by the clamping plates to solve the problems that the probe rods of most coal mine in-situ stress testing devices are easily damaged and the transmission lines are inconvenient to sort out, and enhance the practical value of the device;
[0017] 2. During the test operation, connect the power cord to the power supply, place the probe rod at the detection position with the control handle, use the second transmission line to transmit the data to the connecting head, and transmit the data to the device main body through the first transmission line for analysis and processing operations. Finally, the test data is visually displayed using the display. Description of the Drawings
[0018] Figure 1 Shown is a three-dimensional structural schematic diagram of a coal mine in-situ stress testing device of the present utility model;
[0019] Figure 2 Shown is a three-dimensional structural schematic diagram of the moving component of a coal mine in-situ stress testing device of the present utility model;
[0020] Figure 3 Shown is a three-dimensional structural schematic diagram of the transmission line and the probe rod of a coal mine in-situ stress testing device of the present utility model;
[0021] Figure 4 Shown is a sectional three-dimensional structural schematic diagram of the adjusting component of a coal mine in-situ stress testing device of the present utility model.
[0022] Description of the reference numerals: 1. Device main body; 101. Stop universal wheel; 102. Handle; 201. Power cord; 202. Cable organizing rack; 301. First transmission line; 302. Connecting head; 303. Second transmission line; 401. Handle; 402. Probe rod; 403. Display; 601. Storage block; 602. Storage groove; 603. Protective layer; 7. Bidirectional adjusting screw rod; 701. Fixed block; 702. Adjusting groove; 703. Motor; 704. Guide rail; 705. Connecting plate; 8. Clamping plate. Detailed Embodiments
[0023] The present utility model will be further described below in conjunction with the drawings and embodiments.
[0024] Please refer to Figures 1-4, the present utility model provides an embodiment: a coal mine in-situ stress testing device, which includes a device main body 1, a moving component, a power supply component, a first transmission line 301, a connector 302, a second transmission line 303, a testing component, a storage block 601, a storage groove 602, a protective layer 603, a bidirectional adjusting screw rod 7, an adjusting component and a clamping plate 8; a moving component is arranged on one side of the device main body 1, a power supply component is arranged on one side of the device main body 1, a first transmission line 301 is arranged on the other side of the device main body 1, one end of the first transmission line 301 is provided with a connector 302, one side of the connector 302 is provided with a second transmission line 303, the second transmission line 303 is electrically connected to the connector 302, the connector 302 is electrically connected to the first transmission line 301, multiple groups of the second transmission line 303 are provided, one end of the second transmission line 303 is provided with a testing component, a storage block 601 is arranged on one side of the device main body 1, a storage groove 602 is opened on one side of the storage block 601, a protective layer 603 is arranged inside the storage groove 602, a bidirectional adjusting screw rod 7 is arranged above the device main body 1, an adjusting component is arranged on the outer side of the bidirectional adjusting screw rod 7, and a clamping plate 8 is arranged on the outer side of the adjusting component.
[0025] Please refer to Figures 2-4 , in this embodiment, the moving component includes a locking universal wheel 101 and a handle 102; locking universal wheels 101 are arranged on the bottom surface of the device main body 1, multiple groups of locking universal wheels 101 are provided, and the locking universal wheels 101 are arranged at the four corners of the bottom surface of the device main body 1, handles 102 are arranged on the top of the device main body 1, two groups of handles 102 are provided, rotate the locking universal wheels 101 to flexibly move the device main body 1, after moving the device main body 1 to a designated position, control the locking universal wheels 101 to lock and fix, and use the handles 102 to flexibly carry the device main body 1, so as to achieve the effect of flexibly moving the device main body 1; the power supply component includes a power cord 201 and a cable management rack 202; a power cord 201 is arranged on one side of the device main body 1, and a cable management rack 202 is also arranged on one side of the device main body 1, plug in an external power supply through the power cord 201 to supply energy to the device main body 1, and use the cable management rack 202 to store and organize the power cord 201; the testing component includes a handle 401, a probe 402 and a display 403; a handle 401 is arranged at one end of the second transmission line 303, a probe 402 is arranged at one end of the handle 401, a display 403 is arranged on the upper surface of the device main body 1, the probe 402 is electrically connected to the second transmission line 303, and the first transmission line 301 is electrically connected to the display 403, conveniently pick up, place and move the probe 402 through the handle 401, place the probe 402 at a designated position for in-situ stress testing, and use the display 403 to intuitively display the test results;
[0026] There are multiple sets of storage blocks 601, and the number of storage blocks 601 is the same as that of the probe rods 402. The storage grooves 602 are fitted with the probe rods 402. The placement of the probe rods 402 is determined by the storage blocks 601. The probe rods 402 are placed into the storage grooves 602, so that the probe rods 402 are wrapped and protected inside, effectively preventing the probe rods 402 from being damaged. The adjustment assembly includes a fixed block 701, an adjustment groove 702, a motor 703, a guide rail 704, and a connecting plate 705. A fixed block 701 is provided at the top of the equipment main body 1. An adjustment groove 702 is formed on one side of the fixed block 701. A motor 703 is provided at the top of the fixed block 701. A guide rail 704 is also provided inside the adjustment groove 702. A connecting plate 705 is arranged outside the bidirectional adjustment screw rod 7. The output end of the motor 703 is connected to the bidirectional adjustment screw rod 7. There are two sets of adjustment grooves 702, and multiple sets of guide rails 704 are symmetrically arranged. The connecting plate 705 is slidably connected to the guide rail 704. A clamping plate 8 is arranged outside the connecting plate 705. The position of the bidirectional adjustment screw rod 7 is determined by the adjustment groove 702 in the fixed block 701. The bidirectional adjustment screw rod 7 is driven to rotate by the motor 703. The distance between the two connecting plates 705 is flexibly adjusted by rotating the bidirectional adjustment screw rod 7, so that the connecting plate 705 moves along the guide rail 704, thereby driving the clamping plate 8 to move synchronously, and the clamping plate 8 flexibly clamps and fixes the connecting head 302.
[0027] When moving the device, rotate the stop universal wheel 101 to move the equipment main body 1 to the designated position. Subsequently, lock the stop universal wheel 101. At the same time, the handle 102 can also be used to further carry the equipment main body 1.
[0028] During the test operation, connect the power cord 201 to the power supply. The control handle 401 places the probe rod 402 at the detection position. The data is transmitted to the connecting head 302 through the second transmission line 303, and then transmitted to the equipment main body 1 through the first transmission line 301 for analysis and processing operations. Finally, the test data is intuitively displayed using the display 403.
[0029] After the test operation, pull out the power cord 201. Organize the power cord 201 through the cable management rack 202. Place the probe rods 402 into the storage grooves 602 on the storage blocks 601 in sequence. The probe rods 402 are wrapped and protected by the protective layer 603. At the same time, place the connecting head 302 in front of the fixed block 701. Subsequently, drive the bidirectional adjustment screw rod 7 to rotate by the motor 703, so that the connecting plate 705 slides up and down in the adjustment groove 702 along the guide rail 704, thereby adjusting the distance between the two clamping plates 8, and the connecting head 302 is clamped and fixed by the clamping plates 8.
[0030] Through the above steps, the device body 1 is flexibly moved by setting the moving component, the device body 1 is powered by the power supply component, the in-situ stress test is carried out by the test component, and the data is transmitted to the connector 302 by the second transmission line 303. The first transmission line 301 is connected and fixed through the connector 302, and the data is transmitted to the device body 1 by the first transmission line 301 for analysis and processing operations. When the device is not in use, the test component is placed in the storage groove 602 of the storage block 601. At the same time, the test component is wrapped and protected by the protective layer 603. The bidirectional adjustment lead screw 7 is rotated by the adjustment component, the distance between the two sets of clamping plates 8 is adjusted by rotating the bidirectional adjustment lead screw 7, and the connector 302 is clamped and fixed by the clamping plates 8. Thus, when the device is not in use, the transmission line connector 302 of the device is automatically clamped and fixed, and the probe 402 is stored to avoid damage to the probe 402, effectively extending the service life of the device.
[0031] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims
1. A coal mine ground stress testing device, comprising a device body (1); characterized in that: The device also comprises a moving component, a power supply component, a first transmission line (301), a connector (302), a second transmission line (303), a test component, a storage block (601), a storage slot (602), a protective layer (603), a bidirectional adjustment screw rod (7), an adjustment component and a card plate (8); a moving component is arranged on one side of the device body (1), a power supply component is arranged on one side of the device body (1), a first transmission line (301) is arranged on the other side of the device body (1), a connector (302) is arranged at one end of the first transmission line (301), a second transmission line (303) is arranged on one side of the connector (302), and a second transmission line (303) is arranged on the other side of the second transmission line (301). The transmission line (303) and the connector (302) are electrically connected to each other, the connector (302) and the first transmission line (301) are electrically connected to each other, a plurality of second transmission lines (303) are provided, one end of the second transmission line (303) is provided with a test assembly, a storage block (601) is provided on one side of the device body (1), a storage groove (602) is provided on one side of the storage block (601), a protective layer (603) is provided on the inner side of the storage groove (602), a bidirectional adjustment screw rod (7) is provided above the device body (1), an adjustment assembly is provided on the outer side of the bidirectional adjustment screw rod (7), and a clamping plate (8) is provided on the outer side of the adjustment assembly.
2. A coal mine ground stress testing device according to claim 1, characterized in that: The moving assembly comprises a stop universal wheel (101) and a handle (102); the bottom surface of the device body (1) is provided with a stop universal wheel (101), and the stop universal wheel (101) is provided with a plurality of groups, and the stop universal wheel (101) is provided at the four corners of the bottom surface of the device body (1); the top of the device body (1) is provided with a handle (102), and the handle (102) is provided with two groups.
3. A coal mine ground stress testing device according to claim 1, characterized in that: The power supply assembly comprises a power cord (201) and a cable management rack (202); the power cord (201) is arranged on one side of the device body (1), and the cable management rack (202) is also arranged on one side of the device body (1).
4. A coal mine ground stress testing device according to claim 1, characterized in that: The test assembly comprises a handle (401), a probe rod (402) and a display (403); the handle (401) is arranged at one end of the second transmission line (303), the probe rod (402) is arranged at one end of the handle (401), and the display (403) is arranged on the upper surface of the device body (1).
5. A coal mine ground stress testing device according to claim 4, characterized in that: The probe rod (402) and the second transmission line (303) are electrically connected to each other, and the first transmission line (301) and the display (403) are electrically connected to each other.
6. A coal mine ground stress testing device according to claim 4, characterized in that: The storage blocks (601) are provided in multiple groups, the number of the storage blocks (601) is the same as the number of the probe rods (402), and the storage grooves (602) and the probe rods (402) are interlocked.
7. A coal mine ground stress testing device according to claim 6, characterized in that: The adjustment component comprises a fixed block (701), an adjustment slot (702), a motor (703), a guide rail (704) and a connecting plate (705); the top of the device body (1) is provided with a fixed block (701), one side of the fixed block (701) is provided with an adjustment slot (702), the top of the fixed block (701) is provided with a motor (703), the inner side of the adjustment slot (702) is further provided with a guide rail (704), and the outer side of the bidirectional adjustment screw rod (7) is provided with a connecting plate (705).
8. A coal mine ground stress testing device according to claim 7, characterized in that: The output end of the motor (703) is connected to the bidirectional adjustment screw rod (7), two groups of adjustment slots (702) are provided, multiple groups of guide rails (704) are symmetrically provided, the connecting plate (705) and the guide rails (704) are slidably connected to each other, and a clamping plate (8) is provided on the outer side of the connecting plate (705).