CN221925080U - Displacement and sedimentation detection device for mine goaf - Google Patents
Displacement and sedimentation detection device for mine goaf Download PDFInfo
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- CN221925080U CN221925080U CN202420345769.6U CN202420345769U CN221925080U CN 221925080 U CN221925080 U CN 221925080U CN 202420345769 U CN202420345769 U CN 202420345769U CN 221925080 U CN221925080 U CN 221925080U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 120
- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000004062 sedimentation Methods 0.000 title abstract description 13
- 230000000670 limiting effect Effects 0.000 claims description 25
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 17
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application relates to a displacement sedimentation detection device for a mine goaf, which relates to the technical field of displacement sedimentation detection and comprises a mounting frame and a displacement detection assembly, wherein the mounting frame is fixedly arranged above the goaf, the displacement detection assembly is connected with the mounting frame, the displacement detection assembly comprises a mounting plate, a driving part and a displacement sensor, the mounting plate is horizontally arranged, the mounting plate is connected with the mounting frame, the displacement sensor is positioned on the driving part and connected with the driving part, the driving part is positioned on the mounting plate, the driving part is used for driving the displacement sensor to move, and the displacement sensor is used for detecting horizontal displacement in the goaf. The application has the effect of accurately measuring the displacement condition of the goaf.
Description
Technical Field
The application relates to the technical field of displacement sedimentation detection, in particular to a displacement sedimentation detection device for a mine goaf.
Background
There are many goafs in the mine, and the existence of goafs makes the mine face very big safety problem, consequently need detect the goafs to displacement and the subsidence condition of control goafs.
The traditional mode adopts stay cord type sensor to measure the displacement in the goaf. When the device is used, one end of the stay rope sensor is fixed on one side of the goaf, and the horizontal displacement of the goaf is measured through shrinkage of the stay rope.
The stay cord sensor selects a fixed reference base point for each measurement, and can only measure the displacement of one point position of the goaf, and the measurement data is single and lacks accuracy, so that the displacement condition of the goaf is difficult to accurately measure.
Disclosure of utility model
In order to accurately measure the displacement condition of the goaf, the application provides a displacement sedimentation detection device for a mine goaf.
The application provides a displacement sedimentation detection device for a mine goaf, which adopts the following technical scheme:
The utility model provides a mine goaf displacement subsides detection device, includes mounting bracket and displacement detection subassembly, mounting bracket fixed mounting is in the goaf top, displacement detection subassembly with the mounting bracket is connected, displacement detection subassembly includes mounting panel, drive division and displacement sensor, the mounting panel level sets up, the mounting panel with the mounting bracket is connected, drive division is located on the mounting panel, displacement sensor is located on the drive division, and with the drive division is connected, the drive division is used for driving displacement sensor and removes, displacement sensor is used for detecting the horizontal displacement in the goaf.
Through adopting above-mentioned technical scheme, place displacement detection subassembly in the goaf, drive division drive displacement sensor horizontal migration, displacement sensor is measured the displacement in the goaf at the removal in-process, and measures a plurality of data to can accurately measure the displacement condition in the goaf.
Optionally, the drive portion includes first motor, gear and rack, first motor is located on the bottom surface of mounting panel, and with mounting panel fixed connection, the output shaft of first motor wears to establish on the mounting panel, the gear is located on the output shaft of first motor, and with the coaxial fixed connection of output shaft of first motor, the rack is located on the top surface of mounting panel, and with mounting panel sliding connection, the rack level sets up, the rack is provided with four, four the rack all be used for with gear engagement, displacement sensor is provided with four, four displacement sensor and four rack one-to-one, displacement sensor is located the rack is kept away from the one end of gear, and with rack fixed connection.
Through adopting above-mentioned technical scheme, when measuring the goaf horizontal displacement, first motor drive gear rotates, and gear rotation drives the rack and removes, and the rack drives displacement sensor and removes to make displacement sensor can carry out a lot of measurement to the horizontal displacement in the goaf.
Optionally, the gear is a quarter of an incomplete gear.
Through adopting above-mentioned technical scheme, when the gear rotates, the gear meshes with four racks in proper order to drive four racks in proper order and remove, thereby intermittent drive displacement sensor removes, make four displacement sensor's measurement have time difference, compare with synchronous measurement, intermittent measurement has prolonged the check time, makes the change condition of the interior horizontal displacement of data easier reaction goaf that detects.
Optionally, be provided with lifting unit on the mounting bracket, lifting unit includes second motor, lead screw and lifter, the second motor is located on the mounting bracket, the second motor with mounting bracket fixed connection, the output shaft of second motor with lead screw fixed connection, the lead screw wears to establish on the mounting bracket, and with the mounting bracket rotates to be connected, the lead screw wears to establish on the lifter, the lifter with lead screw threaded connection, the lifter with mounting panel fixed connection, fixedly provided with limiting plate on the mounting bracket, the vertical setting of limiting plate, the limiting plate is provided with two, and is located respectively the both sides of lifter, the limiting plate with lifter sliding connection.
Through adopting above-mentioned technical scheme, when needs are measured horizontal displacement, the second motor starts, and the second motor drives the lead screw and rotates, and the lead screw rotates the guide effect of drive lifter block at limiting plate and goes up and down, mounting panel and lifter block fixed connection to make displacement detection subassembly can go up and down, thereby make displacement detection subassembly to the displacement of different positions in the collecting space area can measure.
Optionally, the limiting plate is provided with the bracing piece in keeping away from one side bottom of lead screw, the bottom of bracing piece is inserted and is established in the collecting space area bottom surface.
Through adopting above-mentioned technical scheme, after the fixed position of mounting bracket, limiting plate top fixed mounting is on the mounting bracket, and the bottom of limiting plate is inserted through the bracing piece and is established in the ground of collecting space area bottom surface for the limiting plate position is stable.
Optionally, still include subside detection subassembly, subside detection subassembly includes sleeve, spring, built-in fitting and tension sensor, the sleeve is located the lead screw bottom, and with the lead screw rotates to be connected, tension sensor is located the inside top of sleeve, tension sensor with sleeve fixed connection, the spring is located in the sleeve, the one end of spring with tension sensor fixed connection, the other end with built-in fitting fixed connection, the spring is used for changing the subsidence displacement of built-in fitting into tension signal of tension sensor, the built-in fitting is buried in the ground of collecting space area bottom surface.
Through adopting above-mentioned technical scheme, when measuring the subsidence of collecting space area, the built-in fitting buries in the ground of collecting space area bottom surface, and built-in fitting subsides in step with the collecting space area, and the built-in fitting subsides and pulls the spring and take place deformation, and tension sensor detects spring pulling force to the subsidence displacement with the collecting space area becomes tension sensor's pulling force signal, thereby makes the subsidence to the collecting space area can detect.
Optionally, the embedded part is rectangular box-shaped, and the top end of the embedded part is of an opening structure.
Through adopting above-mentioned technical scheme, when the goaf takes place to subside, the built-in fitting of rectangle box shape is difficult for taking place to slide when subsideing with the goaf is synchronous to the settlement displacement of messenger's measured goaf is more accurate.
Optionally, a plurality of anti-skid grooves are formed in the outer wall of the embedded part.
Through adopting above-mentioned technical scheme, when the goaf subsides, the friction of built-in fitting with the ground in the goaf has been increased to the antiskid groove to make the built-in fitting be difficult for taking place to slide when subsideing with goaf ground is synchronous.
In summary, the present application includes at least one of the following beneficial technical effects:
By arranging the mounting plate, the first motor, the gear, the rack and the displacement sensor, the first motor drives the gear to rotate, the gear is a quarter of incomplete gear, and the gear rotates to sequentially drive the rack to move, so that the displacement sensors are intermittently driven to move, the time difference exists in measurement of the four displacement sensors, compared with synchronous measurement, the intermittent measurement prolongs the detection time, the detected data is easier to reflect the change condition of horizontal displacement in the goaf, and the displacement condition of the goaf can be accurately measured;
Through setting up second motor, lead screw, lifting block and limiting plate, the motor drives the lead screw to rotate, and the lead screw rotates and makes lifting block go up and down under the effect of limiting plate, mounting panel and lifting block fixed connection to make displacement measurement subassembly go up and down, thereby make displacement measurement subassembly carry out horizontal displacement measurement to different positions in the goaf;
Through setting up sleeve, spring, built-in fitting and tension sensor, the built-in fitting buries in the goaf bottom surface, and when the built-in fitting followed the goaf and subsided in step, the built-in fitting pulling spring takes place deformation, and the spring changes the subsidence displacement of goaf into tension sensor's pulling force signal to can measure the subsidence displacement of goaf.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a schematic diagram intended to illustrate the construction of a displacement detection assembly;
fig. 3 is a schematic view for explaining the structure of the sedimentation detection assembly.
Reference numerals illustrate:
1. A mounting frame; 11. a limiting plate; 111. a support rod; 2. a lifting assembly; 21. a second motor; 22. a screw rod; 23. a lifting block; 3. a sedimentation detection assembly; 31. a sleeve; 32. a spring; 33. an embedded part; 34. a tension sensor; 4. a displacement detection assembly; 41. a displacement sensor; 42. a mounting plate; 43. a driving section; 431. a first motor; 432. a rack; 433. a gear.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a displacement sedimentation detection device for a mine goaf. Referring to fig. 1, a displacement sedimentation detection device for a mine goaf comprises a mounting frame 1 and a displacement detection assembly 4, wherein the displacement detection assembly 4 is located on the mounting frame 1, the displacement detection assembly 4 comprises a mounting plate 42, a driving part 43 and a displacement sensor 41, the mounting plate 42 is horizontally arranged, the mounting plate 42 is rectangular plate-shaped, the mounting plate 42 is connected with the mounting frame 1, the driving part 43 is located on the mounting plate 42, the driving part 43 is connected with the mounting plate 42, the displacement sensor 41 is located on the driving part 43 and connected with the driving part 43, the driving part 43 is used for driving the displacement sensor 41 to move, and the displacement sensor 41 is used for detecting horizontal displacement in the goaf.
When the device is used, the driving part 43 drives the displacement sensor 41 to move, and the displacement sensor 41 measures the horizontal displacement of the goaf in the moving process, so that a plurality of data are measured, and the displacement condition in the goaf is easy to accurately measure.
Referring to fig. 2, the driving part 43 includes a first motor 431, a gear 433 and a rack 432, the first motor 431 is located at the center of the bottom surface of the mounting plate 42, the first motor 431 is vertically disposed and fixedly connected with the mounting plate 42, an output shaft of the first motor 431 is threaded through the mounting plate 42, and the gear 433 is located at the center of the top surface of the mounting plate 42 and is fixedly connected with the output shaft of the first motor 431 coaxially.
The gear 433 is a quarter of the incomplete gear 433, the rack 432 is positioned on the top surface of the mounting plate 42, the rack 432 is horizontally arranged, the rack 432 is slidably connected with the mounting plate 42, the rack 432 is provided with four racks 432, the four racks 432 are arranged around the gear 433 in a circle, the gear 433 is used for being meshed with one of the racks 432, and the sliding direction of the rack 432 is along the vertical direction of the side wall of the mounting plate 42.
The displacement sensors 41 are arranged in four, the four displacement sensors 41 are in one-to-one correspondence with the four racks 432, the displacement sensors 41 are positioned at one end of the racks 432 away from the gear 433 and fixedly connected with the racks 432, and the displacement sensors 41 are positioned at one side of the racks 432 away from the gear teeth.
When the device is used, the first motor 431 is started, the first motor 431 drives the gear 433 to rotate, the gear 433 rotates to be meshed with the four racks 432 in sequence, so that the four racks 432 are driven to move in sequence, the racks 432 move to drive the displacement sensor 41 to move, the displacement sensor 41 is enabled to intermittently detect the horizontal displacement in the goaf, the four displacement sensors 41 are enabled to measure time differences, compared with synchronous measurement, the intermittent measurement prolongs the detection time, and the detected data are enabled to be easier to reflect the change condition of the horizontal displacement in the goaf.
Referring to fig. 2 and 3, a lifting assembly 2 is arranged on a mounting frame 1, the lifting assembly 2 comprises a second motor 21, a screw rod 22 and a lifting block 23, the second motor 21 is positioned on the mounting frame 1, the second motor 21 is vertically arranged, the second motor 21 is fixedly connected with the mounting frame 1, and an output shaft of the second motor 21 is fixedly connected with the screw rod 22.
The lead screw 22 is vertical, and lead screw 22 wears to establish on mounting bracket 1, and lead screw 22 rotates with mounting bracket 1 to be connected, and lead screw 22 wears to establish on lifting block 23, and lifting block 23 is rectangular block, and lifting block 23 level sets up, lifting block 23 and lead screw 22 threaded connection, lifting block 23 and mounting panel 42 fixed connection.
Two limiting plates 11 are arranged on the mounting frame 1, the limiting plates 11 are rectangular plates and are vertically arranged, the two limiting plates 11 are respectively located at two ends of the lifting block 23 in the length direction, and the lifting block 23 is in sliding connection with the limiting plates 11.
Referring to fig. 3, a supporting rod 111 is disposed at a bottom end of one side of the limiting plate 11 far from the screw 22, the supporting rod 111 is rod-shaped, the supporting rod 111 is obliquely disposed, and an oblique direction is along a direction of being far away from the limiting plate 11 and facing downwards vertically, a top end of the supporting rod 111 is fixedly connected with the limiting plate 11, a bottom end of the supporting rod 111 is conical, and a bottom end of the supporting rod 111 is inserted into a bottom surface of the goaf.
When in use, after the installation frame 1 is installed, a user downwards treads the installation frame 1, the support rod 111 is inserted into the bottom surface of the goaf, the installation frame 1 is stably fixed in the goaf, the second motor 21 is started, the second motor 21 drives the screw rod 22 to rotate, the screw rod 22 drives the lifting block 23 to move, and the lifting block 23 moves on the screw rod 22 under the limit of the limit plate 11, so that the displacement detection assembly 4 can lift.
Referring to fig. 1 and 3, the bottom of the screw 22 is provided with a settlement detection assembly 3, the settlement detection assembly 3 comprises a sleeve 31, a spring 32, an embedded part 33 and a tension sensor 34, the sleeve 31 is positioned at the bottom of the screw 22, the sleeve 31 is vertically arranged, the sleeve 31 is cylindrical, the interior of the sleeve 31 is hollow, the bottom is opened, the sleeve 31 is rotationally connected with the screw 22, the tension sensor 34 is positioned at the top of the interior of the sleeve 31 and is fixedly connected with the sleeve 31, the spring 32 is positioned in the sleeve 31, one end of the spring 32 is fixedly connected with the tension sensor 34, the other end of the spring 32 is fixedly connected with the embedded part 33, and the spring 32 is used for converting the settlement displacement of the embedded part 33 into a tension signal of the tension sensor 34.
Referring to fig. 3, the embedded part 33 is embedded in the ground of the bottom surface of the goaf, the embedded part 33 is rectangular box-shaped and hollow, the top end of the embedded part 33 is of an opening structure, and a plurality of rectangular anti-skid grooves are formed in the outer wall of the embedded part 33.
When the embedded part 33 is used, the embedded part 33 is embedded in the bottom surface of the bottom of the goaf in advance, and when the goaf is settled, the embedded part 33 and the goaf are settled together, so that the spring 32 is deformed, and the settlement displacement of the embedded part 33 is converted into a tension signal of the tension sensor 34 by the spring 32, so that the settlement of the goaf is measured.
The embodiment of the application relates to a displacement sedimentation detection device for a mine goaf, which comprises the following implementation principles: when the device is used, the second motor 21 drives the screw rod 22 to rotate, the screw rod 22 drives the lifting block 23 to move on the screw rod 22 under the limiting action of the limiting plate 11, so that the displacement detection assembly 4 can lift in the goaf, the first motor 431 drives the gear 433 to rotate, the gear 433 is sequentially meshed with the four racks 432, the four racks 432 intermittently move, the racks 432 drive the displacement sensor 41 to intermittently move, a time difference exists in measurement of the four displacement sensors 41, and compared with synchronous measurement, the intermittent measurement prolongs the detection time, so that detected data is easier to reflect the change condition of horizontal displacement in the goaf. The embedded part 33 is embedded into the ground at the bottom of the goaf, the embedded part 33 and the goaf are settled together, the embedded part 33 is settled to deform the spring 32, the settlement displacement of the embedded part 33 is converted into a tension signal of the tension sensor 34 by the spring 32, so that the settlement displacement of the goaf is detected, and the displacement condition of the goaf is accurately measured.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The utility model provides a mine goaf displacement subsides detection device which characterized in that: including mounting bracket (1) and displacement detection subassembly (4), mounting bracket (1) fixed mounting is in the collecting space area top, displacement detection subassembly (4) with mounting bracket (1) are connected, displacement detection subassembly (4) include mounting panel (42), drive portion (43) and displacement sensor (41), mounting panel (42) level sets up, mounting panel (42) with mounting bracket (1) are connected, displacement sensor (41) are located on drive portion (43), and with drive portion (43) are connected, drive portion (43) are located on mounting panel (42), drive portion (43) are used for driving displacement sensor (41) and remove, displacement sensor (41) are used for detecting the horizontal displacement in the collecting space area.
2. The mine goaf displacement settlement detection device according to claim 1, wherein: the drive part (43) comprises a first motor (431), a gear (433) and a rack (432), wherein the first motor (431) is located on the bottom surface of the mounting plate (42) and is fixedly connected with the mounting plate (42), an output shaft of the first motor (431) penetrates through the mounting plate (42), the gear (433) is located on the output shaft of the first motor (431) and is coaxially and fixedly connected with the output shaft of the first motor (431), the rack (432) is located on the top surface of the mounting plate (42) and is in sliding connection with the mounting plate (42), the rack (432) is horizontally arranged, four racks (432) are meshed with the gear (433), the displacement sensors (41) are arranged in four one-to-one correspondence, and the displacement sensors (41) are located on the top surface of the rack (433) and are far away from the gear (432) and are fixedly connected with the rack (432).
3. The mine goaf displacement settlement detection device according to claim 2, wherein: the gear (433) is a quarter of an incomplete gear (433).
4. The mine goaf displacement settlement detection device according to claim 1, wherein: be provided with lifting unit (2) on mounting bracket (1), lifting unit (2) include second motor (21), lead screw (22) and lifter (23), second motor (21) are located on mounting bracket (1), second motor (21) with mounting bracket (1) fixed connection, the output shaft of second motor (21) with lead screw (22) fixed connection, lead screw (22) wear to establish on mounting bracket (1), and with mounting bracket (1) swivelling joint, lead screw (22) wear to establish on lifter (23), lifter (23) with lead screw (22) threaded connection, lifter (23) with mounting panel (42) fixed connection, fixed limiting plate (11) that are provided with on mounting bracket (1), limiting plate (11) are provided with two, and are located respectively the both sides of lifter (23), limiting plate (11) with lifter (23) sliding connection.
5. The mine goaf displacement settlement detection device according to claim 4, wherein: the bottom end of one side of the limiting plate (11) far away from the screw rod (22) is provided with a supporting rod (111), and the bottom end of the supporting rod (111) is inserted into the bottom surface of the goaf.
6. The mine goaf displacement settlement detection device according to claim 5, wherein: still include subside detection subassembly (3), subside detection subassembly (3) include sleeve (31), spring (32), built-in fitting (33) and tension sensor (34), sleeve (31) are located lead screw (22) bottom, and with lead screw (22) rotate and be connected, tension sensor (34) are located sleeve (31) inside top, tension sensor (34) with sleeve (31) fixed connection, spring (32) are located in sleeve (31), one end of spring (32) with tension sensor (34) fixed connection, the other end with built-in fitting (33) fixed connection, spring (32) are used for changing the subsidence displacement of built-in fitting (33) into the tensile signal of tension sensor (34), built-in fitting (33) are buried in the ground of collecting space area bottom surface.
7. The mine goaf displacement settlement detection device as claimed in claim 6, wherein: the embedded part (33) is rectangular box-shaped, and the top end of the embedded part (33) is of an opening structure.
8. The mine goaf displacement settlement detection device as claimed in claim 6, wherein: a plurality of anti-skid grooves are formed in the outer wall of the embedded part (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420345769.6U CN221925080U (en) | 2024-02-26 | 2024-02-26 | Displacement and sedimentation detection device for mine goaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420345769.6U CN221925080U (en) | 2024-02-26 | 2024-02-26 | Displacement and sedimentation detection device for mine goaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221925080U true CN221925080U (en) | 2024-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420345769.6U Active CN221925080U (en) | 2024-02-26 | 2024-02-26 | Displacement and sedimentation detection device for mine goaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221925080U (en) |
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2024
- 2024-02-26 CN CN202420345769.6U patent/CN221925080U/en active Active
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