CN112065380B - Electric sampling device and sampling method for shaft with large buried depth and narrow channel - Google Patents
Electric sampling device and sampling method for shaft with large buried depth and narrow channel Download PDFInfo
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- CN112065380B CN112065380B CN202011125442.0A CN202011125442A CN112065380B CN 112065380 B CN112065380 B CN 112065380B CN 202011125442 A CN202011125442 A CN 202011125442A CN 112065380 B CN112065380 B CN 112065380B
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- shaft
- supporting rod
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- 238000005070 sampling Methods 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 239000002689 soil Substances 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005527 soil sampling Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
- E21B49/06—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil using side-wall drilling tools pressing or scrapers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Soil Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses an electric sampling device and a sampling method for a shaft with a large buried depth and a narrow channel, wherein the sampling device comprises a sampling mechanism horizontally arranged in the shaft and a lifting mechanism arranged at the top of the shaft and used for driving the sampling mechanism to lift in the vertical direction; the sampling mechanism comprises a supporting rod horizontally arranged in the vertical shaft, one end of the supporting rod is connected with the inner wall of the vertical shaft, and the other end of the supporting rod is connected with the inner wall of the vertical shaft through a hydraulic jack and a hollow sampling tube in sequence; the fixed end of the hydraulic jack is fixedly connected with the supporting rod, and a hydraulic pump is arranged on the outer side of the hydraulic jack; according to the invention, the sampling pipe is slowly inserted into the soil in the vertical shaft by adopting the hydraulic jack, so that the disturbance of the sampling pipe is avoided to damage the soil, the integrity of undisturbed soil is ensured as much as possible, the subsequent test is facilitated, and the test error is reduced; meanwhile, the invention replaces the traditional manual operation, reduces the labor intensity, improves the sampling efficiency, reduces the potential safety hazard, and has the advantages of simplicity, convenient disassembly and assembly, time saving and labor saving.
Description
Technical Field
The invention relates to the technical field of rock and soil exploration engineering, in particular to an electric sampling device and a sampling method for a shaft with a large buried depth and a narrow passage.
Background
Along with the acceleration of large engineering construction in industries such as construction, municipal administration, traffic and the like, the survey design level is rapidly developed, and the requirement on taking soil samples is also increased. At present, for sampling soil mass, the soil mass is often required to be kept as it is. However, the soil body is various sediments generated by complex natural environments such as weathering, degradation, carrying and sedimentation of rock, is a three-phase system consisting of solid matters, water and gas, and is relatively loose in structure, and the original structural system is easily disturbed and destroyed in the sampling operation, sample packaging, storage and transportation processes, so that undisturbed soil sampling is difficult and even sampling fails.
Especially for the undisturbed soil sampling of shaft, the current mode is comparatively complicated, specifically: the safety belt is worn by an operator, the lifting equipment is connected with the safety belt of the operator through a rope, and the lifting equipment lowers the operator to a preset sampling position; one hand of an operator holds the sampling tube and aligns the inner wall of the vertical shaft, and the other hand uses an iron hammer to knock the sampling tube, so that the sampling tube stretches into soil in the vertical shaft; and after the sampling is finished, the sampling tube is retracted, and finally, an operator is adjusted away from the vertical shaft through the lifting equipment. The above-described manner has the following disadvantages: 1. the sampling tube is easy to incline and deviate by adopting the hammering method, and soil body vibration is very easy to be caused in the hammering process, the original structural system of the soil body is damaged, and the original soil body is failed to sample; 2. operators must descend into the vertical shaft to perform related operations, and certain potential safety hazards exist; 3. an operator is connected with the lifting equipment through a rope, so that the operator can shake in the vertical shaft, and the force application is inconvenient; 4. the labor intensity of manual operation is high and the efficiency is low.
In summary, the existing shaft undisturbed soil sampling device has certain technical defects. In the sampling operation process, the undisturbed soil subjected to sampling can be greatly disturbed and destroyed, and meanwhile, the operation flow is complex, the labor intensity is high, the sampling efficiency is low, and the sampling success rate is low.
Disclosure of Invention
Aiming at the technical problems of complex operation flow, low sampling efficiency, large disturbance damage to soil and low sampling success rate of the shaft undisturbed soil sampling device, the invention provides the electric sampling device and the sampling method for the shaft with large buried depth and narrow channel, which have the advantages of simple structure, small disturbance to soil and high automation degree.
The technical scheme adopted by the invention is as follows: an electric sampling device for a shaft with a large buried depth and a narrow passage comprises a sampling mechanism horizontally arranged in the shaft and a lifting mechanism arranged at the top of the shaft and used for driving the sampling mechanism to lift in the vertical direction; the sampling mechanism comprises a supporting rod horizontally arranged in the vertical shaft, one end of the supporting rod is connected with the inner wall of the vertical shaft, and the other end of the supporting rod is connected with the inner wall of the vertical shaft through a hydraulic jack and a hollow sampling tube in sequence; the fixed end of the hydraulic jack is fixedly connected with the supporting rod, and a hydraulic pump for driving a piston rod of the hydraulic jack to stretch out and draw back is arranged on the outer side of the hydraulic jack; the hydraulic jack can drive the sampling tube to move in the horizontal direction. When sampling, the sampling mechanism is lowered by the lifting mechanism to reach a preset sampling position, the levelness of the sampling mechanism is adjusted by the lifting mechanism, and the sampling pipe is driven by the hydraulic jack to slowly extend into the soil body of the vertical shaft for sampling. According to the invention, the sampling pipe is slowly inserted into the soil in the vertical shaft by adopting the hydraulic jack, so that the disturbance of the sampling pipe is avoided to damage the soil, the integrity of undisturbed soil is ensured as much as possible, the subsequent test is facilitated, and the test error is reduced; meanwhile, the invention replaces the traditional manual operation, reduces the labor intensity, improves the sampling efficiency, reduces the potential safety hazard, and has the advantages of simplicity, convenient disassembly and assembly, time saving and labor saving.
Further, the lifting mechanism comprises a frame arranged at the top of the vertical shaft, a winch is arranged on the frame, and the winch is connected with the sampling mechanism through a steel wire rope. The lifting mechanism is used for driving the sampling mechanism to lift in the vertical direction; in addition, different steel wire ropes are controlled through different winches, so that the leveling of the sampling mechanism is facilitated.
Further, the movable end of the hydraulic jack is connected with a connecting seat, and a connecting cylinder is arranged on the connecting seat; the movable end of the hydraulic jack is connected with the sampling tube through the connecting seat and the connecting cylinder in sequence; the connecting seat is provided with two first lifting lugs connected with the steel wire rope; the connecting cylinder is provided with a transparent observation window. The first lifting lug is arranged on the connecting seat, so that the stress span of the sampling mechanism is increased, and the connection stability of the sampling mechanism and the lifting mechanism is improved; the connecting cylinder is used as a connecting piece, so that the connecting seat is convenient to connect with the sampling tube; meanwhile, the observation window on the connecting tube is also convenient for operators to monitor the soil condition in the sampling tube in real time.
Further, a fixed rod is vertically arranged on the hydraulic jack; the fixed rod is provided with a first camera facing the observation window and a second camera facing the supporting rod. The soil condition in the sampling tube can be monitored in real time through the first camera; the contact condition of the supporting rod and the inner wall of the vertical shaft can be monitored in real time through the second camera.
Furthermore, the sampling tube is in threaded connection with the connecting tube, and can be detached from the connecting tube, so that the subsequent packaging and transportation are facilitated; the mode of bolt connection has simple structure, easy dismounting quick characteristics.
Further, the tip of sampling tube is provided with the blade, is provided with the sword tooth on the blade. The contact area between the sampling tube and the soil body is reduced by the cutting edge, so that the sampling tube can be conveniently cut into the soil body well, and time and labor are saved; the blade teeth are similar to the sawing principle, and can cut into the soil body of the vertical shaft in the radial direction of the sampling pipe more smoothly.
Further, be provided with the spirit level on the bracing piece, be convenient for observe sampling mechanism's levelness to carry out corresponding adjustment.
Further, the supporting rod comprises at least two sleeved supporting rods, and the adjacent supporting rods are in threaded connection. The whole length of the supporting rods can be adjusted by rotating the adjacent supporting rods so as to meet the use of shafts with different diameters, and the applicability and the universality of the device are improved; meanwhile, the size of the supporting rod is reduced, and the storage and transportation of the sampling mechanism are facilitated.
Further, one end of the supporting rod connected with the inner wall of the vertical shaft is provided with a vertically arranged backing plate; two second lifting lugs connected with the steel wire rope are arranged on the backing plate. The pad increases the contact area between the support rod and the inner wall of the vertical shaft, and improves the connection stability of the sampling mechanism and the vertical shaft; the second lifting lug is arranged on the base plate, so that the stress span of the sampling mechanism is increased, and the connection stability of the sampling mechanism and the lifting mechanism is improved.
The sampling method adopts the electric sampling device of the shaft with the large buried depth and the narrow passage, and comprises the following steps:
s1, according to the diameter of a vertical shaft, adjusting the length of a supporting rod by rotating a supporting rod, so that the whole length of a sampling mechanism is slightly smaller than the diameter of the vertical shaft;
s2, erecting a lifting mechanism on the top of the vertical shaft, and lowering the sampling mechanism to a preset sampling position through the lifting mechanism;
s3, observing levelness of the sampling mechanism through a level meter, and adjusting different steel wire ropes to keep the sampling mechanism in a horizontal state; then observing the contact condition of the sampling tube, the backing plate and the inner wall of the vertical shaft through the first camera and the second camera;
s4, driving the sampling tube to stably and slowly horizontally press the soil body in the vertical shaft through the hydraulic jack until the soil body is seen to be exposed out of the observation window through the first camera, and stopping the force application of the hydraulic jack;
s5, controlling the sampling tube to slightly move up and down or left and right through the lifting mechanism, and breaking the soil body at the edge tooth part; then the sampling tube is driven by the hydraulic jack to stably and slowly move out of the soil body until the sampling tube is separated from the inner wall of the vertical shaft;
s6, lifting the sampling mechanism back to the ground through the lifting mechanism, taking down the sampling tube, and sealing and storing the two ends of the sampling tube by using the cover.
According to the sampling method, the sampling pipe is slowly inserted into the soil in the vertical shaft, so that the disturbance of the sampling pipe is avoided, the soil is damaged, the integrity of undisturbed soil is ensured as much as possible, the subsequent test is facilitated, and the test error is reduced; meanwhile, the invention replaces the traditional manual operation, reduces the labor intensity, improves the sampling efficiency, reduces the potential safety hazard, and has the advantages of simplicity, convenient disassembly and assembly, time saving and labor saving.
The beneficial effects of the invention are as follows:
1. according to the invention, the sampling pipe is slowly inserted into the soil in the vertical shaft, so that the disturbance of the sampling pipe is avoided to damage the soil, the integrity of undisturbed soil is ensured as much as possible, the subsequent test is facilitated, and the test error is reduced; meanwhile, the invention replaces the traditional manual operation, reduces the labor intensity, improves the sampling efficiency, reduces the potential safety hazard, and has the advantages of simplicity, convenient disassembly and assembly, time saving and labor saving.
2. According to the invention, the soil condition in the sampling tube and the contact condition of the supporting rod and the inner wall of the vertical shaft can be monitored in real time through the first camera and the second camera.
3. The cutting edge reduces the contact area between the sampling tube and the soil body, is convenient for the sampling tube to better cut into the soil body, and saves time and labor; the blade teeth can smoothly cut into the soil body of the vertical shaft in the radial direction of the sampling pipe.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Marked in the figure as: 1. a shaft; 2. ground surface; 3. a hydraulic jack; 4. a sampling tube; 5. a hydraulic pump; 6. a connecting seat; 7. a connecting cylinder; 8. an observation window; 9. a fixed rod; 10. a first lifting lug; 11. the second lifting lug; 12. a first camera; 13. a second camera; 14. a cutting edge; 15. blade teeth; 16. a level gauge; 17. a backing plate; 18. an electric wire; 19. a first strut; 20. a second strut;
101. a frame; 102. a hoist; 103. a wire rope.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
Referring to fig. 1, the electric sampling device of the large-burial-depth narrow-channel vertical shaft of the invention comprises a sampling mechanism horizontally arranged in a vertical shaft 1 and a lifting mechanism arranged at the top of the vertical shaft for driving the sampling mechanism to lift in the vertical direction; the sampling mechanism comprises a supporting rod horizontally arranged in the vertical shaft, one end of the supporting rod is connected with the inner wall of the vertical shaft, and the other end of the supporting rod is connected with the inner wall of the vertical shaft through a hydraulic jack 3 and a hollow sampling tube 4 in sequence; the fixed end of the hydraulic jack is fixedly connected with the supporting rod, and a hydraulic pump 5 for driving a piston rod of the hydraulic jack to stretch out and draw back is arranged on the outer side of the hydraulic jack; the hydraulic jack can drive the sampling tube to move in the horizontal direction. When sampling, the sampling mechanism is lowered by the lifting mechanism to reach a preset sampling position, the levelness of the sampling mechanism is adjusted by the lifting mechanism, and the sampling pipe is driven by the hydraulic jack to slowly extend into the soil body of the vertical shaft for sampling. According to the invention, the sampling pipe is slowly inserted into the soil in the vertical shaft by adopting the hydraulic jack, so that the disturbance of the sampling pipe is avoided to damage the soil, the integrity of undisturbed soil is ensured as much as possible, the subsequent test is facilitated, and the test error is reduced; meanwhile, the invention replaces the traditional manual operation, reduces the labor intensity, improves the sampling efficiency, reduces the potential safety hazard, and has the advantages of simplicity, convenient disassembly and assembly, time saving and labor saving.
Referring to fig. 1, the lifting mechanism of the present embodiment includes a frame 101 disposed at the top of a shaft, and a hoist 102 is provided on the frame, and is connected to a sampling mechanism via a wire rope 103. The lifting mechanism is used for driving the sampling mechanism to lift in the vertical direction; in addition, different steel wire ropes are controlled through different winches, so that the leveling of the sampling mechanism is facilitated.
Referring to fig. 1, in the present embodiment, a connection base 6 is connected to a movable end of a hydraulic jack, and a connection cylinder 7 is provided on the connection base 6; the movable end of the hydraulic jack is connected with the sampling tube 4 through the connecting seat 6 and the connecting cylinder 7 in sequence; the connecting seat 6 is provided with two first lifting lugs 10 connected with the steel wire rope 103; the connecting cylinder is provided with a transparent observation window 8. The first lifting lug is arranged on the connecting seat, so that the stress span of the sampling mechanism is increased, and the connection stability of the sampling mechanism and the lifting mechanism is improved; the connecting cylinder is used as a connecting piece, so that the connecting seat is convenient to connect with the sampling tube; meanwhile, the observation window on the connecting tube is also convenient for operators to monitor the soil condition in the sampling tube in real time.
Referring to fig. 1, the present embodiment vertically arranges a fixing rod 9 on a hydraulic jack; the fixed rod is provided with a first camera 12 facing the observation window and a second camera 13 facing the supporting rod. The soil condition in the sampling tube can be monitored in real time through the first camera; the contact condition of the supporting rod and the inner wall of the vertical shaft can be monitored in real time through the second camera.
The sampling tube 4 is in threaded connection with the connecting tube 7, so that the sampling tube can be detached from the connecting tube, and subsequent packaging and transportation are facilitated; the mode of bolt connection has simple structure, easy dismounting quick characteristics.
Referring to fig. 1, in this embodiment, a cutting edge 14 is provided at the end of the sampling tube, and a blade tooth 15 is provided on the cutting edge. The contact area between the sampling tube and the soil body is reduced by the cutting edge, so that the sampling tube can be conveniently cut into the soil body well, and time and labor are saved; the blade teeth are similar to the sawing principle, and can cut into the soil body of the vertical shaft in the radial direction of the sampling pipe more smoothly.
Referring to fig. 1, in this embodiment, a level 16 is provided on the support bar to facilitate observation of the levelness of the sampling mechanism for corresponding adjustment.
Referring to fig. 1, the support bar of this embodiment includes two sleeved struts, and adjacent struts are connected by threads. The two struts are a first strut 19 and a second strut 20 respectively, the second strut is arranged in the first strut, the level gauge is arranged on the outermost strut, namely the first strut, and the first strut and the second strut are in threaded connection; the first strut may be extended and contracted within the second strut by rotating the second strut, with the pad being disposed at the end of the innermost strut, i.e., the end of the second strut. The whole length of the supporting rods can be adjusted by rotating the adjacent supporting rods so as to meet the use of shafts with different diameters, and the applicability and the universality of the device are improved; meanwhile, the size of the supporting rod is reduced, and the storage and transportation of the sampling mechanism are facilitated.
Referring to fig. 1, in this embodiment, a vertically arranged backing plate 17 is provided at one end of the support rod connected to the inner wall of the shaft; two second lifting lugs 11 connected with the steel wire ropes 103 are arranged on the backing plate. The pad increases the contact area between the support rod and the inner wall of the vertical shaft, and improves the connection stability of the sampling mechanism and the vertical shaft; the second lifting lug is arranged on the base plate, so that the stress span of the sampling mechanism is increased, and the connection stability of the sampling mechanism and the lifting mechanism is improved.
The hydraulic jack of this embodiment is multistage hydraulic jack, and multistage hydraulic jack includes a plurality of telescopic piston rods, compares in the single-stage hydraulic jack of same specification, and under the condition of same stroke, multistage hydraulic jack's size is littleer, and area occupied is littleer.
Example two
The sampling method adopts the electric sampling device of the large-burial-depth narrow-channel vertical shaft according to the first embodiment, and comprises the following steps:
s1, according to the diameter of a vertical shaft, adjusting the length of a supporting rod by rotating an adjacent supporting rod, so that the whole length of a sampling mechanism is slightly smaller than the diameter of the vertical shaft;
s2, erecting a lifting mechanism on the top of the vertical shaft, and lowering the sampling mechanism to a preset sampling position through the lifting mechanism;
s3, observing levelness of the sampling mechanism through a level meter, and adjusting different steel wire ropes to keep the sampling mechanism in a horizontal state; then observing the contact condition of the sampling tube, the backing plate and the inner wall of the vertical shaft through the first camera and the second camera;
s4, driving the sampling tube to stably and slowly horizontally press the soil body in the vertical shaft through the hydraulic jack until the soil body is seen to be exposed out of the observation window through the first camera, and stopping the force application of the hydraulic jack;
s5, controlling the sampling tube to slightly move up and down or left and right through the lifting mechanism, and breaking the soil body at the edge tooth part; then the sampling tube is driven by the hydraulic jack to stably and slowly move out of the soil body until the sampling tube is separated from the inner wall of the vertical shaft;
s6, lifting the sampling mechanism back to the ground through the lifting mechanism, taking down the sampling tube, and sealing and storing the two ends of the sampling tube by using the cover.
According to the sampling method, the sampling pipe is slowly inserted into the soil in the vertical shaft, so that the disturbance of the sampling pipe is avoided, the soil is damaged, the integrity of undisturbed soil is ensured as much as possible, the subsequent test is facilitated, and the test error is reduced; meanwhile, the invention replaces the traditional manual operation, reduces the labor intensity, improves the sampling efficiency, reduces the potential safety hazard, and has the advantages of simplicity, convenient disassembly and assembly, time saving and labor saving.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The electric sampling device for the shaft with the large buried depth and the narrow passage is characterized by comprising a sampling mechanism horizontally arranged in a shaft (1) and a lifting mechanism arranged at the top of the shaft and used for driving the sampling mechanism to lift in the vertical direction;
the sampling mechanism comprises a supporting rod horizontally arranged in the vertical shaft, one end of the supporting rod is connected with the inner wall of the vertical shaft, and the other end of the supporting rod is connected with the inner wall of the vertical shaft through a hydraulic jack (3) and a hollow sampling tube (4) in sequence; the fixed end of the hydraulic jack is fixedly connected with the supporting rod, and a hydraulic pump (5) for driving a piston rod of the hydraulic jack to stretch out and draw back is arranged at the outer side of the hydraulic jack; the hydraulic jack can drive the sampling tube to move in the horizontal direction;
the lifting mechanism comprises a frame (101) arranged at the top of the vertical shaft, a winch (102) is arranged on the frame, and the winch is connected with the sampling mechanism through a steel wire rope (103);
the movable end of the hydraulic jack is connected with a connecting seat (6), and a connecting cylinder (7) is arranged on the connecting seat (6); the movable end of the hydraulic jack is connected with the sampling tube (4) through the connecting seat (6) and the connecting cylinder (7) in sequence; two first lifting lugs (10) connected with the steel wire rope (103) are arranged on the connecting seat (6); a transparent observation window (8) is arranged on the connecting cylinder;
the hydraulic jack is vertically provided with a fixed rod (9), and the fixed rod is provided with a first camera (12) facing the observation window and a second camera (13) facing the supporting rod;
the end part of the sampling tube is provided with a cutting edge (14), and the cutting edge is provided with a cutting edge tooth (15);
the support rod is provided with a level meter (16), and comprises at least two sleeved support rods, and adjacent support rods are in threaded connection;
one end of the supporting rod connected with the inner wall of the vertical shaft is provided with a vertically arranged backing plate (17), and two second lifting lugs (11) connected with the steel wire ropes (103) are arranged on the backing plate.
2. An electric sampling device for a large buried depth narrow passageway shaft as claimed in claim 1, wherein the sampling tube (4) is screw-connected with the connecting tube (7).
3. The sampling method is characterized in that the electric sampling device for the shaft with the large buried depth and the narrow passage as claimed in claim 2 is adopted, and comprises the following steps:
s1, according to the diameter of a vertical shaft, adjusting the length of a supporting rod by rotating an adjacent supporting rod, so that the whole length of a sampling mechanism is slightly smaller than the diameter of the vertical shaft;
s2, erecting a lifting mechanism on the top of the vertical shaft, and lowering the sampling mechanism to a preset sampling position through the lifting mechanism;
s3, observing levelness of the sampling mechanism through a level meter, and adjusting different steel wire ropes to keep the sampling mechanism in a horizontal state; then observing the contact condition of the sampling tube, the backing plate and the inner wall of the vertical shaft through the first camera and the second camera;
s4, driving the sampling tube to stably and slowly horizontally press the soil body in the vertical shaft through the hydraulic jack until the soil body is seen to be exposed out of the observation window through the first camera, and stopping the force application of the hydraulic jack;
s5, controlling the sampling tube to slightly move up and down or left and right through the lifting mechanism, and breaking the soil body at the edge tooth part; then the sampling tube is driven by the hydraulic jack to stably and slowly move out of the soil body until the sampling tube is separated from the inner wall of the vertical shaft;
s6, lifting the sampling mechanism back to the ground through the lifting mechanism, taking down the sampling tube, and sealing and storing the two ends of the sampling tube by using the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125442.0A CN112065380B (en) | 2020-10-20 | 2020-10-20 | Electric sampling device and sampling method for shaft with large buried depth and narrow channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125442.0A CN112065380B (en) | 2020-10-20 | 2020-10-20 | Electric sampling device and sampling method for shaft with large buried depth and narrow channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112065380A CN112065380A (en) | 2020-12-11 |
| CN112065380B true CN112065380B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011125442.0A Active CN112065380B (en) | 2020-10-20 | 2020-10-20 | Electric sampling device and sampling method for shaft with large buried depth and narrow channel |
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| CN (1) | CN112065380B (en) |
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| US20060277862A1 (en) * | 2004-11-01 | 2006-12-14 | Schillert Paul A | Installation apparatus and method |
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| CN105547743B (en) * | 2016-02-01 | 2019-05-17 | 中国电建集团成都勘测设计研究院有限公司 | Original state soil body sampler and sampling method |
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| CN206052678U (en) * | 2016-06-30 | 2017-03-29 | 中国电力科学研究院 | Soil body sampler and soil body sampler |
| CN206756474U (en) * | 2017-04-13 | 2017-12-15 | 上海质远信息技术服务有限公司 | Material sampling apparatus is used in a kind of product quality detection |
| CN106950078A (en) * | 2017-05-27 | 2017-07-14 | 中国科学院海洋研究所 | Fluid pressure type takes the devices and methods therefor of original state clay |
| CN107192573B (en) * | 2017-07-25 | 2023-05-12 | 国网山东省电力公司龙口市供电公司 | Underground visual sampling device for power industry |
| CN207377556U (en) * | 2017-09-27 | 2018-05-18 | 北京傲禾测土肥业连锁有限公司 | A kind of soil sample collection device |
| CN107941550A (en) * | 2017-11-29 | 2018-04-20 | 陕西理工大学 | A kind of ground sampler |
| CN208688849U (en) * | 2018-08-01 | 2019-04-02 | 山东高速济泰城际公路有限公司 | A kind of New Rock sampler |
| CN109030077A (en) * | 2018-08-30 | 2018-12-18 | 昆明理工大学 | A kind of layering transversely borrowing earth device |
| CN109752211A (en) * | 2019-01-30 | 2019-05-14 | 中国二十冶集团有限公司 | A kind of lime-soil compaction pile sampler and method |
| CN209673389U (en) * | 2019-02-26 | 2019-11-22 | 长沙协大生物科技有限公司 | A kind of combined type excrement collecting tube of good airproof performance |
| CN210136139U (en) * | 2019-05-29 | 2020-03-10 | 河北省建筑科学研究院有限公司 | Earthquake resistance test equipment for basalt fiber reinforced composite material reinforced masonry wall |
| CN212296355U (en) * | 2020-10-20 | 2021-01-05 | 中国电建集团成都勘测设计研究院有限公司 | Electric sampling device for large-burial-depth narrow-passage shaft |
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| WO1994023181A1 (en) * | 1993-03-26 | 1994-10-13 | Selantic Industrier A/S | Hydraulic jack hammer, for example for marine sampling |
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