CN212721399U - Mined-out area monitoring device - Google Patents
Mined-out area monitoring device Download PDFInfo
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- CN212721399U CN212721399U CN202021421496.7U CN202021421496U CN212721399U CN 212721399 U CN212721399 U CN 212721399U CN 202021421496 U CN202021421496 U CN 202021421496U CN 212721399 U CN212721399 U CN 212721399U
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Abstract
The utility model relates to a collecting space area settlement monitoring technology field discloses a mining area monitoring devices, measure the sleeve including a plurality of, the measurement sleeve bottom that is located the outside is sealed, outmost measurement sleeve is equipped with sealing sleeve, it is equipped with annular spout to correspond on measurement sleeve and the sealing sleeve, be equipped with sealing piston in the annular spout, sealing piston, measure the sleeve, sealing sleeve encloses to close and forms and measures the chamber, it is filled with measuring gas to measure the intracavity, the measurement sleeve top of inlayer seals, be equipped with flexible baffle assembly in the measuring sleeve of inlayer, flexible baffle assembly will measure sleeve internal partitioning and become the intercommunication chamber, every intercommunication chamber and one measure the chamber and pass through communicating pipe intercommunication, there is the monitoring gasbag at intercommunication chamber top through hose connection. The utility model discloses simple structure, the practicality is strong, and low cost can realize the monitoring of sinking to different soil layers, is applicable to the monitoring of sinking of mining void area large tracts of land.
Description
Technical Field
The utility model relates to a collecting space area settlement monitoring technology field especially relates to a collecting space region monitoring devices.
Background
The large-scale development and utilization of mineral resources bring great social and economic benefits to human beings, and also cause a series of environmental problems and mining damages to the production and life of human beings. The goaf is formed after the minerals are mined, and the upper rock stratum of the goaf deforms under the action of gravity and the like and is spread to the ground, so that the goaf subsidence is one of the main artificial geological disasters. The current mining area monitoring mostly adopts equipment such as total powerstation or GPS, the cost is higher, it is comparatively loaded down with trivial details to install and use, be unsuitable for mining area large tracts of land subsidence monitoring, and some other monitoring devices mostly can only monitor the total settlement volume on ground, can not monitor different soil layer settlement volumes, be difficult to for the prediction of subsidence calamity, the loss assessment provides corresponding data basis, the practicality is not strong, therefore, an urgent need for a simple structure, low cost can monitor a mining area monitoring device to different soil layer settlement volumes again.
SUMMERY OF THE UTILITY MODEL
To the technical problem that prior art exists, the utility model provides a adopt empty regional monitoring devices.
In order to achieve the above object, the utility model provides a following technical scheme: a mining area monitoring device comprises a plurality of coaxially arranged measuring sleeves, the heights of the measuring sleeves are sequentially reduced from inside to outside, the outer diameter of each measuring sleeve is consistent with the inner diameter of the adjacent outer measuring sleeve, the bottom of the measuring sleeve positioned on the outermost side is sealed, a sealing sleeve is arranged in the outermost measuring sleeve corresponding to each measuring sleeve in the outermost measuring sleeve, the outer diameter of each sealing sleeve is consistent with the inner diameter of the measuring sleeve positioned on the outer side of the sealing sleeve, axially extending annular chutes are correspondingly arranged on the measuring sleeve and the sealing sleeve, sealing pistons are arranged in the annular chutes in a sliding fit mode and are fixed on the measuring sleeve positioned between the measuring sleeve and the sealing sleeve, the sealing pistons, the adjacent measuring sleeves and the corresponding sealing sleeves enclose a measuring cavity, measuring gas is filled in the measuring cavity, and the top of the innermost measuring sleeve is sealed, be equipped with the flexible baffle subassembly of a plurality of in the inlayer measuring sleeve, flexible baffle subassembly will measure sleeve internal partitioning and become and measure the intercommunication chamber that chamber quantity is unanimous, and every intercommunication chamber and one measure the chamber and pass through communicating pipe intercommunication, and there is the monitoring gasbag intercommunication chamber top through hose connection.
Preferably, flexible baffle subassembly includes outer annular baffle, interior annular baffle, outer annular baffle is fixed in outmost measurement sleeve bottom, and the outer annular baffle of a plurality of flexible baffle subassembly distributes from the extroversion inwards in proper order, is equipped with axial extension and top on the outer annular baffle and is equipped with open-ended annular slot, interior annular baffle top is fixed in the top of inlayer measurement sleeve, and in the annular slot of outer annular baffle was inserted to the bottom, interior annular baffle and annular slot along the sealed cooperation of axial sliding, interior annular baffle bottom is connected through elastic mechanism with the annular slot bottom.
Preferably, the elastic mechanism includes connecting rod, spring, be equipped with the spread groove on the interior annular baffle, on the connecting rod bottom was fixed in annular slot bottom inner wall, the top inserted in the spread groove and with spread groove sliding fit, the spring housing is located outside the connecting rod and its both ends respectively with connecting rod bottom and annular slot bottom inner wall connection.
Preferably, an annular sealing groove is formed in the inner annular partition plate, and an annular sealing gasket is arranged in the annular sealing groove.
The utility model discloses simple structure, the practicality is strong, and low cost can realize the monitoring of sinking to different soil layers, is applicable to the monitoring of sinking of mining void area large tracts of land.
Drawings
Fig. 1 is an axial sectional view of embodiment 1.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 1.
In the figure: the device comprises a measuring sleeve 1, a sealing sleeve 2, an annular sliding groove 3, a sealing piston 4, a measuring cavity 5, a communicating cavity 6, a communicating pipe 7, a hose 8, a monitoring air bag 9, an outer annular partition plate 10, an inner annular partition plate 11, an annular slot 12, a connecting rod 13, a spring 14, a connecting groove 15 and an annular sealing gasket 16.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example 1
Referring to fig. 1-3, a mining area monitoring device comprises four coaxially arranged measuring sleeves 1 with sequentially reduced heights from inside to outside, wherein the outer diameter of each measuring sleeve 1 is consistent with the inner diameter of the outer measuring sleeve 1 adjacent to the outer measuring sleeve 1, the bottom of the measuring sleeve 1 positioned on the outermost side is closed, a sealing sleeve 2 is arranged in the outermost measuring sleeve 1 corresponding to each measuring sleeve 1 therein, the outer diameter of each sealing sleeve 2 is consistent with the inner diameter of the measuring sleeve 1 positioned on the outer side of the sealing sleeve, annular sliding chutes 3 extending axially are correspondingly arranged on the measuring sleeve 1 and the sealing sleeve 2, sealing pistons 4 are arranged in the annular sliding chutes 3 in a sliding fit manner, the sealing pistons 4 are fixed on the measuring sleeve 1 positioned between the measuring sleeve 1 and the sealing sleeve 2, and the sealing pistons 4, the two adjacent measuring sleeves 1 and the corresponding sealing sleeves 2 enclose a measuring cavity 5, the measuring chamber 5 is filled with measuring gas, the top of the measuring sleeve 1 on the innermost layer is sealed, two telescopic partition plate assemblies are arranged in the measuring sleeve 1 on the innermost layer, the telescopic partition plate assemblies divide the measuring sleeve 1 into three communicating chambers 6, each communicating chamber 6 is communicated with one measuring chamber 5 through a communicating pipe 7, and the top of each communicating chamber 6 is connected with a monitoring airbag 9 through a hose 8.
The flexible baffle subassembly includes outer annular baffle 10, interior annular baffle 11, outer annular baffle 10 is fixed in outmost 1 bottoms of measuring sleeve, and outer annular baffle 10 of two flexible baffle subassemblies distributes from the extroversion in proper order, is equipped with axial extension and top on outer annular baffle 10 and is equipped with open-ended annular slot 12, interior annular baffle 11 top is fixed in the top of measuring sleeve 1 of inlayer, and in the annular slot 12 of outer annular baffle 10 was inserted to the bottom, interior annular baffle 11 and annular slot 12 followed the sealed cooperation of axial sliding, interior annular baffle 11 bottom was connected through elastic mechanism with annular slot 12 bottom.
Elastic mechanism includes connecting rod 13, spring 14, be equipped with spread groove 15 on the interior annular baffle 11, connecting rod 13 bottom is fixed in on the inner wall of annular slot 12 bottom, the top insert in spread groove 15 and with spread groove 15 sliding fit, spring 14 cover is located connecting rod 13 outer and its both ends respectively with connecting rod 13 bottom and annular slot 12 bottom inner wall connection.
An annular sealing groove is formed in the inner annular partition plate 11, and an annular sealing gasket 16 is arranged in the annular sealing groove.
In this embodiment, the height of the three sealing sleeves 2 rises from outside to inside in sequence, the sealing piston 4 is annular, and the four measuring sleeves 1 and the three sealing sleeves 2 form three measuring cavities 5, so that the subsidence monitoring can be performed on three different soil layers.
When the device is used, the outermost layer measuring sleeve 1 or the innermost layer measuring sleeve 1 is fixed on a measuring reference point (can be fixed on a bedrock mark), then the rest three measuring sleeves 1 are respectively embedded in three different soil layers to be measured, at the moment, the measuring cavity 5 is filled with measuring gas, the measuring gas generates upward pressure on the measuring sleeve 1 corresponding to the measuring cavity 5, the measuring sleeve 1 is in a stress balance state, and the monitoring air bag 9 leaks out of the ground so as to be convenient for observation. When the soil layer sinks, the soil layer generates downward pressure on the measuring sleeve 1 in the soil layer, the measuring sleeve 1 moves downwards, the volumes of the measuring cavity 5 and the communicating cavity 6 are changed, the shape of the monitoring air bag 9 communicated with the communicating cavity 6 is changed, and the situation of ground sinking is monitored by monitoring the change of the monitoring air bag 9 above the ground. During actual use, a pressure sensor can be arranged in the monitoring air bag 9, pressure value change data in the monitoring air bag 9 can be obtained through the pressure sensor, and concrete data of the soil layer subsidence can be obtained through calculation of a professional computer. The staff can judge the trend and the trend of the subsidence according to the shape change and the pressure numerical information of each monitoring air bag 9.
The utility model discloses set up flexible baffle subassembly, when the soil layer takes place to sink and leads to four measuring sleeve 1's overall height to change, axial displacement can be followed to interior annular baffle 11 to adapt to the change of overall height. The arrangement of the connecting rod 13 and the connecting groove 15 can guide the axial movement of the inner annular partition plate 11, so that the movement is more stable.
The sealing piston 4 is arranged to guide the axial movement of the measuring sleeve 1 on one hand and seal each measuring cavity 5 on the other hand, and prevent external soil from entering the measuring cavities 5, so that the measuring accuracy is ensured; the arrangement of the annular sealing gasket 16 can seal the communicating cavities 6, so that the communicating cavities 6 do not blow by gas, and the measuring accuracy is further ensured.
The utility model discloses simple structure, the practicality is strong, and low cost can realize the monitoring of sinking to different soil layers, is applicable to the monitoring of sinking of mining void area large tracts of land.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (4)
1. A mining area monitoring device is characterized in that: the measuring device comprises a plurality of coaxially arranged measuring sleeves, the heights of the measuring sleeves are sequentially reduced from inside to outside, the outer diameter of each measuring sleeve is consistent with the inner diameter of the outer measuring sleeve adjacent to the measuring sleeve, the bottom of the measuring sleeve positioned on the outermost side is sealed, a sealing sleeve is arranged in the outermost measuring sleeve corresponding to each measuring sleeve in the outermost measuring sleeve, the outer diameter of each sealing sleeve is consistent with the inner diameter of the measuring sleeve positioned on the outer side of the sealing sleeve, annular chutes extending axially are correspondingly arranged on the measuring sleeve and the sealing sleeve, sealing pistons are arranged in the annular chutes in a sliding fit mode and are fixed on the measuring sleeve positioned between the measuring sleeve and the sealing sleeve, the sealing pistons, two adjacent measuring sleeves and the corresponding sealing sleeves are enclosed to form a measuring cavity, measuring gas is filled in the measuring cavity, the top of the innermost measuring sleeve is sealed, and a plurality of telescopic partition plate assemblies are arranged in, the flexible baffle subassembly will measure the inside intercommunication chamber that becomes to become with measuring chamber quantity unanimity of sleeve, and every intercommunication chamber and one measure the chamber and pass through communicating pipe intercommunication, and there is the monitoring gasbag intercommunication chamber top through hose connection.
2. A mined-out area monitoring apparatus according to claim 1, characterized in that: the flexible baffle subassembly includes outer annular baffle, interior annular baffle, outer annular baffle is fixed in outmost measurement sleeve bottom, and the outer annular baffle of the flexible baffle subassembly of a plurality of distributes from the extroversion to the inside in proper order, is equipped with axial extension and top on the outer annular baffle and is equipped with open-ended annular slot, interior annular baffle top is fixed in the telescopic top of inlayer measurement, and in the annular slot of outer annular baffle was inserted to the bottom, interior annular baffle and annular slot followed the sealed cooperation of endwise slip, interior annular baffle bottom was connected through elastic mechanism with the annular slot bottom.
3. A mined-out area monitoring apparatus according to claim 2, characterized in that: the elastic mechanism comprises a connecting rod and a spring, a connecting groove is formed in the inner annular partition plate, the bottom of the connecting rod is fixed on the inner wall of the bottom of the annular slot, the top of the connecting rod is inserted into the connecting groove and is in sliding fit with the connecting groove, and the spring sleeve is arranged outside the connecting rod and connected with the inner wall of the bottom of the connecting rod and the inner wall of the bottom of the annular slot at two ends of the connecting rod.
4. A mined-out area monitoring apparatus according to claim 2, characterized in that: an annular sealing groove is formed in the inner annular partition plate, and an annular sealing gasket is arranged in the annular sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421496.7U CN212721399U (en) | 2020-07-17 | 2020-07-17 | Mined-out area monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421496.7U CN212721399U (en) | 2020-07-17 | 2020-07-17 | Mined-out area monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212721399U true CN212721399U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021421496.7U Active CN212721399U (en) | 2020-07-17 | 2020-07-17 | Mined-out area monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212721399U (en) |
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2020
- 2020-07-17 CN CN202021421496.7U patent/CN212721399U/en active Active
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