CN221350617U - Weak layer sampling device for open pit coal mine slope - Google Patents
Weak layer sampling device for open pit coal mine slope Download PDFInfo
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- CN221350617U CN221350617U CN202323317706.4U CN202323317706U CN221350617U CN 221350617 U CN221350617 U CN 221350617U CN 202323317706 U CN202323317706 U CN 202323317706U CN 221350617 U CN221350617 U CN 221350617U
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- 238000005070 sampling Methods 0.000 title claims abstract description 71
- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000005192 partition Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 238000005553 drilling Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000005527 soil sampling Methods 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an open-pit coal mine slope weak layer sampling device, which relates to the field of coal mine sampling, and the technical scheme comprises a sampling chamber, wherein the bottom of the sampling chamber is fixedly connected with a sampling tube, the inside of the sampling tube is fixedly connected with a motor, the outside of the motor is rotationally connected with a drill rod, the outside of the drill rod is fixedly connected with a soil sampling ring cutter, the inside of the sampling chamber is symmetrically provided with an open slot, the top of the sampling chamber is fixedly connected with a handle, the outside of the handle is slidingly connected with a pressing block, the pressing block and the open slot are jointly provided with an opening and closing component, the opening and closing component comprises a second rack, a gear, a first rack and a partition plate, the outside of the sampling tube is provided with a through hole, the outside of the through hole is rotationally connected with a rotating shaft, the outside of the rotating shaft is fixedly connected with a partition block, the bottom of the sampling chamber is provided with a clamping component, and the clamping component comprises a second telescopic rod, a second spring and a clamping block.
Description
Technical Field
The utility model relates to the technical field of coal mine sampling, in particular to an open pit coal mine slope weak layer sampling device.
Background
The coal supply force is increased in China, the production capacity of each large open-air coal mine is increased, the advancing speed of the open-air coal mine is increased in the production process, the earlier the end slope is exposed, the more frequent the research work of the opposite end slope is, a large amount of slope investigation work is needed in the process, the research work of the weak layer is increased because the weak layer which is extremely unfavorable to the slope is usually arranged on the top and the bottom plate of the coal-bearing stratum of the open-air coal mine, the sampling workload of the weak layer is increased, the sampling device is usually a driving assembly driving a drill bit and a sampling cylinder to extend downwards into the area where a sample is to be taken, and then the sampling cylinder is used for collecting the sample.
At present, when weak layer sampling work is carried out, the geological mineral layer is usually directly inserted into the sleeve for sampling, the sampling mode easily causes the obtained deep coal mine sample to be mixed with the surface soil sample, so that the deep coal mine sample is polluted, a drill bit is usually adopted to drive a sampling pipe to drill the weak layer, the sampling pipe is filled with the coal mine sample after the drilling reaches the weak layer, but after the drilling is rotated, the bottom surface of the sampling pipe is not shielded, the coal mine sample is easy to fall back, so that the sampling is insufficient, repeated sampling is needed, and the sampling is troublesome, so that the weak layer sampling device for the slope of the opencast coal mine is provided.
Disclosure of utility model
The utility model aims to solve the defects that a coal mine sample and surface soil are mixed to pollute the sample and the coal mine sample falls back after sampling in the prior art, and provides an open pit coal mine slope weak layer sampling device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a weak layer sampling device of opencut coal mine side slope, includes the sample cell, the bottom fixedly connected with sampling tube of sample cell, the inside fixedly connected with motor of sampling tube, the outside of motor rotates and is connected with the drilling rod, the outside fixedly connected with of drilling rod gets native cutting ring, the open slot has been seted up to the inside symmetry of sample cell, the top fixedly connected with handle of sample cell, the outside sliding connection of handle has the pressing block, pressing block and open slot are provided with the subassembly that opens and shuts jointly, the subassembly that opens and shuts includes second rack, gear, first rack and baffle, the through-hole has been seted up to the outside of sampling tube, the outside rotation of through-hole is connected with the pivot, the outside fixedly connected with spacer block of pivot, the bottom of sample cell is provided with joint subassembly, joint subassembly is including second telescopic link, second spring and fixture block, and the colliery sample and top layer soil matter mix when this device has effectively solved the colliery sample and has made the sample pollution, and the shortcoming that colliery sample falls back after the sample.
The technical scheme further comprises the following steps:
The bottom of handle and second rack fixed connection, the inside and the gear rotation of open slot are connected, the gear is connected with the second rack meshing, the inside fixedly connected with first telescopic link of open slot, first spring has been cup jointed to the outside of first telescopic link, the outside and the first rack fixed connection of first telescopic link, first rack and gear meshing are connected.
The bottom of sample room and second telescopic link fixed connection, the one end and the fixture block fixed connection of sample room are kept away from to the second telescopic link, the outside at the second telescopic link is cup jointed to the second spring.
The bottom of the sampling chamber is symmetrically and slidably connected with the partition board, and the outer part of the partition board is fixedly connected with the first rack.
The shape of the clamping block is hemispherical.
The outside of the spacing block is fixedly connected with a push-pull handle.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, when a coal mine is sampled, the clamping assembly and the spacer blocks are used for discharging the surface soil, so that the deep coal mine sample is prevented from being mixed with the surface soil sample, and the deep coal mine sample is prevented from being polluted.
2. According to the utility model, after sampling is finished, the opening and closing assembly is controlled by the pressing block to drive the partition board to close, so that a coal mine sample cannot fall back, and repeated sampling caused by insufficient sampling is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an open pit coal mine slope weak layer sampling device;
Fig. 2 is a schematic diagram of a first part of a weak layer sampling device for an open pit coal mine slope according to the present utility model;
FIG. 3 is a schematic diagram of a second part of the weak layer sampling device for the open pit coal mine slope;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at B in fig. 2.
In the figure: 1. a sampling chamber; 2. a sampling tube; 3. a drill rod; 4. a grip; 5. pressing the blocks; 6. an open slot; 7. a partition plate; 8. a gear; 9. a first telescopic rod; 10. a first spring; 11. a first rack; 12. a second rack; 13. a through hole; 14. a rotating shaft; 15. a spacer block; 16. a second telescopic rod; 17. a second spring; 18. a clamping block; 19. a motor; 20. a soil sampling ring cutter; 21. push-pull handle.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1-5, the weak layer sampling device for the slope of the opencast coal mine provided by the utility model comprises a sampling chamber 1, wherein the bottom of the sampling chamber 1 is fixedly connected with a sampling tube 2, the inside of the sampling tube 2 is fixedly connected with a motor 19, the outside of the motor 19 is rotationally connected with a drill rod 3, the outside of the drill rod 3 is fixedly connected with a soil sampling ring cutter 20, an open slot 6 is symmetrically arranged in the sampling chamber 1, the top of the sampling chamber 1 is fixedly connected with a handle 4, the outside of the handle 4 is slidingly connected with a pressing block 5, the pressing block 5 and the open slot 6 are jointly provided with an opening and closing component, the opening and closing component comprises a second rack 12, a gear 8, a first rack 11 and a partition 7, the outside of the sampling tube 2 is provided with a through hole 13, the outside of the through hole 13 is rotationally connected with a rotating shaft 14, the outside of the rotating shaft 14 is fixedly connected with a partition 15, the bottom of the sampling chamber 1 is provided with a clamping component, the clamping component comprises a second telescopic rod 16, a second spring 17 and a clamping block 18, the bottom of the sampling chamber 1 is fixedly connected with the second telescopic rod 16, one end of the second telescopic rod 16 is far away from the sampling chamber 1 is fixedly connected with the clamping block 18, the clamping block 18 is fixedly connected with the second spring 17, and the second telescopic rod is in the shape of the second partition 15 is in a hemispherical shape and is fixedly connected with the second partition block 21.
According to the working principle of the open pit slope weak layer sampling device based on the first embodiment, firstly, a worker pulls the push-pull handle 21 to enable the spacer 15 to move outwards to open the through hole 13, then holds the handle 4 with two hands, aligns the bottom of the sampling tube 2 to the open pit slope to be sampled, then starts the motor 19 to drive the drill rod 3 to rotate, meanwhile, the worker applies relatively uniform downward external force to the sampling chamber 1 in a matching manner, so that the drill rod 3 stretches into a weak layer area downwards, at this time, soil on the surface of a coal mine can be brought into the sampling tube 2 by the soil taking ring cutter 20, along with continuous penetration, the soil on the lower layer extrudes the soil on the upper layer to enable the soil on the upper layer to be discharged out of the sampling tube 2 through the through hole 13, after the weak layer coal mine is observed to be discharged through the through hole 13, the push-pull handle 21 can be held inwards to be clamped by the clamping assembly and the clamping block 18, then presses the pressing block 5 to drive the opening and closing assembly to move outwards to enable the partition 7 to open and extrude the first spring 10 to contract with the first telescopic rod 9, and the coal mine can enter the sampling chamber 1 to complete sampling.
Example two
As shown in fig. 1-5, based on the first embodiment, the bottom of the grip 4 is fixedly connected with the second rack 12, the inside of the open slot 6 is rotationally connected with the gear 8, the gear 8 is meshed with the second rack 12, the inside of the open slot 6 is fixedly connected with the first telescopic rod 9, the outside of the first telescopic rod 9 is sleeved with the first spring 10, the outside of the first telescopic rod 9 is fixedly connected with the first rack 11, the first rack 11 is meshed with the gear 8, the bottom of the sampling chamber 1 is symmetrically and slidingly connected with the partition 7, and the outside of the partition 7 is fixedly connected with the first rack 11.
In this embodiment, the design is to, after the sample is finished, the staff loosens the pressing to pressing block 5, makes fixed connection at the inside first telescopic link 9 of open slot 6 driven by first spring 10 and resets, drives first rack 11 and resets afterwards, because first rack 11 and baffle 7 fixed connection, so baffle 7 also can reset and close, makes the sample unable fall back, promotes device practicality.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a weak layer sampling device of opencast coal mine side slope, includes sample room (1), a serial communication port, the bottom fixedly connected with sample tube (2) of sample room (1), the inside fixedly connected with motor (19) of sample tube (2), the outside rotation of motor (19) is connected with drilling rod (3), the outside fixedly connected with cutting ring (20) that fetches earth of drilling rod (3), open slot (6) have been seted up to the inside symmetry of sample room (1), the top fixedly connected with handle (4) of sample room (1), the outside sliding connection of handle (4) has pressing block (5), pressing block (5) are provided with the subassembly that opens and shuts jointly with open slot (6), the subassembly that opens and shuts is including second rack (12), gear (8), first rack (11) and baffle (7), through-hole (13) have been seted up to the outside of sample tube (2), the outside rotation of through-hole (13) is connected with pivot (14), the outside fixedly connected with spacer (15) of pivot (14), the bottom of sample room (1) has clamping assembly (16), second spring assembly (17) and second spring assembly (17).
2. The strip mine slope weak layer sampling device according to claim 1, wherein the bottom of the grip (4) is fixedly connected with a second rack (12), the inside of the open slot (6) is rotationally connected with a gear (8), the gear (8) is meshed with the second rack (12), a first telescopic rod (9) is fixedly connected with the inside of the open slot (6), a first spring (10) is sleeved on the outside of the first telescopic rod (9), the outside of the first telescopic rod (9) is fixedly connected with a first rack (11), and the first rack (11) is meshed with the gear (8).
3. The device for sampling the weak layer of the slope of the open pit coal mine according to claim 1, wherein the bottom of the sampling chamber (1) is fixedly connected with a second telescopic rod (16), one end, far away from the sampling chamber (1), of the second telescopic rod (16) is fixedly connected with a clamping block (18), and the second spring (17) is sleeved outside the second telescopic rod (16).
4. The device for sampling the weak layer of the slope of the open pit coal mine according to claim 1, wherein the bottom of the sampling chamber (1) is symmetrically and slidingly connected with the partition plate (7), and the outer part of the partition plate (7) is fixedly connected with the first rack (11).
5. An opencut slope weak zone sampling device according to claim 1, characterized in that the shape of the clamping block (18) is hemispherical.
6. The device for sampling the weak layer of the slope of the open pit coal mine according to claim 1, wherein the outside of the spacer block (15) is fixedly connected with a push-pull handle (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323317706.4U CN221350617U (en) | 2023-12-06 | 2023-12-06 | Weak layer sampling device for open pit coal mine slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323317706.4U CN221350617U (en) | 2023-12-06 | 2023-12-06 | Weak layer sampling device for open pit coal mine slope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221350617U true CN221350617U (en) | 2024-07-16 |
Family
ID=91839846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323317706.4U Active CN221350617U (en) | 2023-12-06 | 2023-12-06 | Weak layer sampling device for open pit coal mine slope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221350617U (en) |
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2023
- 2023-12-06 CN CN202323317706.4U patent/CN221350617U/en active Active
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