Dynamic monitoring system and evaluation method for spatial evolution of overlying strata separation layer

Abstract

The invention relates to the technical field of overlying strata separation layer dynamic monitoring, and provides an overlying strata separation layer spatial evolution dynamic monitoring system and evaluation method.The system comprises an operation panel and a probe and further comprises a box body and a protective cover, a winding mechanism is connected in the box body, a transmission line is wound around the winding mechanism, and the output end of the transmission line is connected with the probe; a fixing frame is connected in the protective cover, a sliding block is slidably connected in the fixing frame, a first motor is installed on the fixing frame, the output end of the first motor is connected with a screw rod, the screw rod penetrates through the sliding block and is connected with the fixing frame, the sliding block is connected with an installation plate, two connecting rings are installed on the probe, and the two connecting rings are both connected with the installation plate. According to the invention, through cooperation of the first motor and the screw rod, the probe is driven to move into the protective cover, so that the probe is protected, collision generated when the probe is placed is reduced, and the use reliability and practicability are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of dynamic monitoring of overburden strata, and in particular to a dynamic monitoring system and evaluation method for spatial evolution of overburden strata. Background Art

[0002] The dynamic monitoring device for spatial evolution of overburden strata is an important equipment used to monitor the dynamic changes of overburden strata space during coal mining and ensure safe production in mines. The dynamic monitoring methods for spatial evolution of overburden strata include: similar material simulation test device, numerical simulation device, microseismic monitoring device, water level monitoring device, distributed optical fiber sensing device and magnetic induction monitoring device.

[0003] Existing water level monitoring devices can directly reflect the dynamics of overburden separation by monitoring abnormal changes in water levels. However, these devices require the probe to be inserted deep underground to measure the groundwater level during use. The probe is prone to bumps during the penetration process, which affects its service life. In addition, the equipment is exposed to the outdoor environment for a long time and has poor protection performance. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the deficiencies of the prior art, the present invention provides a dynamic monitoring system and evaluation method for the spatial evolution of overburden strata to solve the problems of the prior art mentioned in the background technology.

[0005] (II) Technical solution To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dynamic monitoring system and evaluation method for spatial evolution of overburden strata, comprising an operation panel and a probe, and also comprising a box and a protective cover, wherein a plurality of universal wheels with a locking function are connected to the bottom end of the box, and the top end of the box is connected to the operation panel, and two connecting frames are fixedly connected to the box, and shielding plates are fixedly connected to the two connecting frames, and a winding mechanism is fixedly connected to the box, and a transmission line is wound on the winding mechanism, and the output end of the transmission line passes through the protective cover and is connected to the probe, and a fixed frame is fixedly connected to the protective cover, and a slider is slidably connected to the fixed frame, and a first motor is installed on the fixed frame, and the output end of the first motor passes through the fixed frame and is connected to a screw, and the other end of the screw passes through the slider and is rotatably connected to the fixed frame, and the screw and the slider are threadedly matched, and a mounting plate is fixedly connected to the slider, and the mounting plate is slidably connected to the fixed frame, and two connecting rings are installed on the probe, and the two connecting rings are fixedly connected to the mounting plate, and a plurality of rollers are rotatably connected to the protective cover, and an opening is opened at the bottom end of the box; A lifting mechanism, which is connected to the box body and is used to lift the box body; A sealing mechanism is connected to the box body and is used to cover the opening.

[0006] Optionally, the winding mechanism includes a connecting plate, which is fixedly connected to the inner upper side wall of the box, and two fixed plates are fixedly connected to the bottom end of the connecting plate. A winding reel is rotatably connected between the two fixed plates, and the winding reel is connected to the transmission line. A second motor is installed on the box, and the output end of the second motor passes through the box and the fixed plate and is connected to the winding reel.

[0007] Optionally, the lifting mechanism includes two first lifting plates and a second lifting plate, the two first lifting plates are fixedly connected to the second lifting plate, the first lifting plate is provided with a guide opening, a guide plate is slidably connected in the guide opening, the guide plate is fixedly connected to the inner wall of the box, the bottom end of the first lifting plate is fixedly connected to two pillars, the bottom ends of the two pillars pass through the box and are connected to a support plate, the bottom end of the support plate is fixedly connected to a plurality of support blocks, a first electric push rod is installed on the inner lower side wall of the box, and the output end of the first electric push rod is connected to the second lifting plate.

[0008] Optionally, the sealing mechanism includes a sealing plate and two guide bars, the guide bar is fixedly connected to the box body, the two guide bars are slidably connected to the sealing plate, a second electric push rod is installed on the sealing plate, the output end of the second electric push rod is connected to a fixed block, and the fixed block is fixedly connected to the box body.

[0009] Optionally, a door panel is hinged on the box body via a plurality of hinges.

[0010] Optionally, the bottom end of the box is fixedly connected to a limit strip.

[0011] Optionally, a conductor block is sleeved on the transmission line, and the conductor block is fixedly connected to the inner wall of the box through a plurality of connecting rods.

[0012] A dynamic monitoring system and evaluation method for spatial evolution of overburden separation layer, comprising the following steps: S1. During the construction of the dynamic monitoring system for spatial evolution of overburden strata, the sealing plate is moved by the second electric push rod to open the opening, and the winding drum is rotated by the second motor. The probe is placed underground through the winding drum, and the probe is protected by the protective cover.

[0013] S2. The screw is driven to rotate by the first motor, so that the screw cooperates with the slider to drive the mounting plate to move, and the probe is moved out of the protective cover through the mounting plate to monitor the groundwater level through the probe.

[0014] S3. The first lifting plate and the second lifting plate are driven to move by the first electric push rod, and the support plate is driven to move by the pillar, and the device is supported by the support block in contact with the ground, thereby improving the stability of use.

[0015] (III) Beneficial effects Compared with the prior art, the present invention provides a dynamic monitoring system and evaluation method for spatial evolution of overburden strata, which has the following beneficial effects: The dynamic monitoring system and evaluation method for the spatial evolution of overburden separation layer drives the sealing plate to move through the second electric push rod to open the opening, drives the winding drum to rotate through the second motor, places the probe underground through the winding drum, and protects the probe through the protective cover. The screw is driven to rotate by the first motor so that the screw and the slider cooperate to drive the installation plate to move, and the probe is moved out of the protective cover through the installation plate to monitor the groundwater level through the probe, thereby improving the reliability and practicality of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the cross-sectional structure of the present invention.

[0017] Figure 2 For the present invention Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0018] Figure 3 It is a schematic diagram of a partially enlarged structure of the cooperation of the probe, the fixing frame, the slider, the first motor, the mounting plate and the connecting ring.

[0019] Figure 4 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 5 It is a bottom view structural schematic diagram of the present invention.

[0021] In the figure: 1. operation panel; 2. probe; 3. box; 4. protective cover; 5. connecting frame; 6. shielding plate; 7. transmission line; 8. fixed frame; 9. slider; 10. first motor; 11. mounting plate; 12. connecting ring; 13. connecting plate; 14. fixing plate; 15. winding drum; 16. second motor; 17. first lifting plate; 18. second lifting plate; 19. guide plate; 20. pillar; 21. support plate; 22. support block; 23. first electric push rod; 24. sealing plate; 25. guide strip; 26. second electric push rod; 27. fixing block; 28. door panel; 29. ​​limit strip; 30. wire block; 31. connecting rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0023] See also Figure 1-5 A dynamic monitoring system and evaluation method for spatial evolution of overburden separation layer, including an operation panel 1 and a probe 2, a box 3 and a protective cover 4, a door panel 28 is hinged on the box 3 through multiple hinges, and the internal parts can be easily repaired by opening the door panel 28, a plurality of universal wheels with locking function are connected to the bottom of the box 3, and the device can be easily moved by the universal wheels, the top of the box 3 is connected to the operation panel 1, and the device is controlled by the operation panel 1, and two connecting frames 5 are fixedly connected to the box 3, and shielding The shielding plate 6 is used to protect the operation panel 1, a connecting plate 13 is fixedly connected in the box body 3, the connecting plate 13 is fixedly connected to the inner upper side wall of the box body 3, the bottom end of the connecting plate 13 is fixedly connected to two fixing plates 14, a winding drum 15 is rotatably connected between the two fixing plates 14, the winding drum 15 is connected to the transmission line 7, a second motor 16 is installed on the box body 3, the output end of the second motor 16 passes through the box body 3 and the fixing plate 14 and is connected to the winding drum 15, the output end of the transmission line 7 passes through the protective cover 4 and is connected to the probe 2, and the winding drum is driven by the second motor 16 The bobbin 15 rotates to place the probe 2 underground through the bobbin 15. A conductor block 30 is sleeved on the transmission line 7. The conductor block 30 is fixedly connected to the inner wall of the box body 3 through a plurality of connecting rods 31. The transmission line 7 of the device is guided by the conductor block 30. A fixed frame 8 is fixedly connected in the protective cover 4. A slider 9 is slidably connected in the fixed frame 8. A first motor 10 is installed on the fixed frame 8. The output end of the first motor 10 passes through the fixed frame 8 and is connected to a screw. The other end of the screw passes through the slider 9 and is rotatably connected to the fixed frame 8. The screw and the slider 9 are threadedly matched. The slider 9 is fixedly connected with a mounting plate 11, and the mounting plate 11 is slidably connected with the fixed frame 8. Two connecting rings 12 are installed on the probe 2, and the two connecting rings 12 are fixedly connected with the mounting plate 11. The screw is driven to rotate by the first motor 10, so that the screw and the slider 9 cooperate to drive the mounting plate 11 to move, and the probe 2 is moved out of the protective cover 4 through the mounting plate 11 to monitor the groundwater level through the probe 2. The protective cover 4 is rotatably connected with a plurality of rollers, which are in contact with the inner wall of the perforation through the plurality of rollers to reduce the collision of the protective cover 4. The bottom end of the box body 3 is provided with an opening; It should also be noted that the two first lifting plates 17 and the second lifting plates 18 are also included. The two first lifting plates 17 are fixedly connected to the second lifting plates 18. A guide opening is opened on the first lifting plate 17, and a guide plate 19 is slidably connected in the guide opening. The guide plate 19 is fixedly connected to the inner wall of the box body 3. The bottom end of the first lifting plate 17 is fixedly connected to two pillars 20. The bottom ends of the two pillars 20 pass through the box body 3 and are connected to a support plate 21. The bottom end of the support plate 21 is fixedly connected to a plurality of support blocks 22. A first electric push rod 23 is installed on the inner lower side wall of the box body 3. The output end of the first electric push rod 23 is connected to the second lifting plate 18. The first lifting plate 17 and the second lifting plate 18 are driven to move by the first electric push rod 23, so as to drive the support plate 21 to move through the pillars 20. The device is supported by the contact between the support blocks 22 and the ground, thereby improving the stability in use.

[0024] It is also necessary to explain that it also includes a sealing plate 24 and two guide bars 25. The guide bar 25 is fixedly connected to the box body 3. The two guide bars 25 are slidably connected to the sealing plate 24. The sealing plate 24 is guided by the guide bars 25. A second electric push rod 26 is installed on the sealing plate 24. The output end of the second electric push rod 26 is connected to a fixed block 27. The fixed block 27 is fixedly connected to the box body 3. The sealing plate 24 is driven to move by the second electric push rod 26 to open and close the opening. The bottom end of the box body 3 is fixedly connected to a limit bar 29, and the sealing plate 24 is limited by the limit bar 29.

[0025] In summary, the working principle and working process of the dynamic monitoring system and evaluation method for spatial evolution of overburden strata are as follows: when in use, first drill a hole at the desired position, then move the device to the drilling position, turn on the first electric push rod 23, so that the first electric push rod 23 drives the first lifting plate 17 and the second lifting plate 18 to move, so as to drive the support plate 21 to move through the pillar 20, and support the device through the support block 22 in contact with the ground, and then turn on the second electric push rod 26, so that the second electric push rod 26 drives the sealing plate 24 to move to open the opening, and then turn on the second motor 16, so that the second motor 16 drives the winding drum 15 to rotate, and the probe 2 is placed underground through the winding drum 15, and then turn on the first motor 10, so that the first motor 10 drives the screw to rotate, so that the screw and the slider 9 cooperate to drive the mounting plate 11 to move, and the probe 2 is moved out of the protective cover 4 through the mounting plate 11, so as to monitor the groundwater level through the probe 2.

[0026] The above-mentioned embodiments only express the specific implementation of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A dynamic monitoring system and evaluation method for spatial evolution of overburden separation layer, comprising an operation panel (1) and a probe (2), characterized in that: The apparatus further comprises a box body (3) and a protective cover (4), wherein the bottom end of the box body (3) is connected to a plurality of universal wheels having a locking function, the top end of the box body (3) is connected to the operation panel (1), two connecting frames (5) are fixedly connected to the box body (3), the two connecting frames (5) are fixedly connected to shielding plates (6), a winding mechanism is fixedly connected inside the box body (3), a transmission line (7) is wound around the winding mechanism, an output end of the transmission line (7) passes through the protective cover (4) and is connected to the probe (2), a fixed frame (8) is fixedly connected inside the protective cover (4), a sliding frame (8) is slidably connected inside the fixed frame (8), and a sliding plate (6) is slidably connected inside the fixed frame (8). A block (9), a first motor (10) is mounted on the fixed frame (8), an output end of the first motor (10) passes through the fixed frame (8) and is connected to a screw, the other end of the screw passes through the slider (9) and is rotatably connected to the fixed frame (8), the screw and the slider (9) are threadedly matched, a mounting plate (11) is fixedly connected to the slider (9), the mounting plate (11) is slidably connected to the fixed frame (8), two connecting rings (12) are mounted on the probe (2), the two connecting rings (12) are fixedly connected to the mounting plate (11), a plurality of rollers are rotatably connected to the protective cover (4), and an opening is opened at the bottom end of the box body (3); A lifting mechanism, the lifting mechanism is connected to the box body (3), and the lifting mechanism is used to lift the box body (3); A sealing mechanism is connected to the box body (3), and is used to cover the opening.

2. A dynamic monitoring system and evaluation method for spatial evolution of overburden strata according to claim 1, characterized in that: The winding mechanism comprises a connecting plate (13), the connecting plate (13) being fixedly connected to the inner upper side wall of the box body (3), the bottom end of the connecting plate (13) being fixedly connected to two fixing plates (14), a winding drum (15) being rotatably connected between the two fixing plates (14), the winding drum (15) being connected to the transmission line (7), a second motor (16) being mounted on the box body (3), the output end of the second motor (16) passing through the box body (3) and the fixing plate (14) and being connected to the winding drum (15).

3. A dynamic monitoring system and evaluation method for spatial evolution of overburden strata according to claim 2, characterized in that: The lifting mechanism comprises two first lifting plates (17) and a second lifting plate (18), the two first lifting plates (17) are fixedly connected to the second lifting plate (18), a guide opening is provided on the first lifting plate (17), a guide plate (19) is slidably connected in the guide opening, the guide plate (19) is fixedly connected to the inner wall of the box body (3), the bottom end of the first lifting plate (17) is fixedly connected to two pillars (20), the bottom ends of the two pillars (20) penetrate the box body (3) and are connected to a support plate (21), the bottom end of the support plate (21) is fixedly connected to a plurality of support blocks (22), a first electric push rod (23) is installed on the inner lower side wall of the box body (3), and the output end of the first electric push rod (23) is connected to the second lifting plate (18).

4. A dynamic monitoring system and evaluation method for spatial evolution of overburden strata according to claim 3, characterized in that: The sealing mechanism comprises a sealing plate (24) and two guide bars (25); the guide bar (25) is fixedly connected to the box body (3); the two guide bars (25) are slidably connected to the sealing plate (24); a second electric push rod (26) is mounted on the sealing plate (24); an output end of the second electric push rod (26) is connected to a fixed block (27); and the fixed block (27) is fixedly connected to the box body (3).

5. A dynamic monitoring system and evaluation method for spatial evolution of overburden strata according to claim 4, characterized in that: A door panel (28) is hingedly connected to the box body (3) via a plurality of hinges.

6. A dynamic monitoring system and evaluation method for spatial evolution of overburden strata according to claim 5, characterized in that: The bottom end of the box body (3) is fixedly connected to a limit strip (29).

7. A system and method for dynamically monitoring the spatial evolution of overburden strata according to claim 6, characterized in that: A conductor block (30) is sleeved on the transmission line (7), and the conductor block (30) is fixedly connected to the inner wall of the box body (3) via a plurality of connecting rods (31).

8. A dynamic monitoring system and evaluation method for spatial evolution of overburden strata, characterized in that: A dynamic monitoring system for spatial evolution of overburden strata according to any one of claims 1 to 7 is used, comprising the following steps: S1. During the construction of the overburden stratum separation spatial evolution dynamic monitoring system, the second electric push rod (26) drives the sealing plate (24) to move to open the opening, and the second motor (16) drives the winding drum (15) to rotate, and the probe (2) is placed underground through the winding drum (15), and the protective cover (4) is used to protect the probe (2); S2, driving the screw to rotate by means of the first motor (10), so that the screw cooperates with the slider (9) to drive the mounting plate (11) to move, and the probe (2) is moved out of the protective cover (4) by means of the mounting plate (11), so as to monitor the groundwater level by means of the probe (2); S3. The first lifting plate (17) and the second lifting plate (18) are driven to move by the first electric push rod (23), so that the support plate (21) is driven to move by the pillar (20), and the device is supported by the support block (22) in contact with the ground, thereby improving the stability in use.

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