CN212296355U - Electric sampling device for large-burial-depth narrow-passage shaft - Google Patents

Electric sampling device for large-burial-depth narrow-passage shaft Download PDF

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Publication number
CN212296355U
CN212296355U CN202022339000.8U CN202022339000U CN212296355U CN 212296355 U CN212296355 U CN 212296355U CN 202022339000 U CN202022339000 U CN 202022339000U CN 212296355 U CN212296355 U CN 212296355U
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China
Prior art keywords
sampling
shaft
hydraulic jack
vertical shaft
supporting rod
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CN202022339000.8U
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Chinese (zh)
Inventor
胡亚东
马金根
李青春
王能峰
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Abstract

The utility model discloses an electric sampling device for a vertical shaft with a large buried depth and a narrow channel, which comprises a sampling mechanism horizontally arranged in the vertical shaft and a lifting mechanism arranged at the top of the vertical shaft; the sampling mechanism comprises a supporting rod horizontally arranged in the shaft, one end of the supporting rod is connected with the inner wall of the shaft, and the other end of the supporting rod is connected with the inner wall of the shaft through a hydraulic jack and a hollow sampling tube in sequence; the fixed end of the hydraulic jack is fixedly connected with the support rod, and a hydraulic pump for driving a piston rod of the hydraulic jack to stretch is arranged outside the hydraulic jack; the utility model adopts the hydraulic jack to slowly insert the sampling tube into the soil body in the shaft, avoids the disturbance of the sampling tube from damaging the soil body, ensures the integrity of the original state soil as much as possible, is convenient for subsequent tests, and reduces the test error; simultaneously the utility model discloses replace traditional manual operation, reduced intensity of labour, improved sample efficiency, reduced the potential safety hazard, and this device is simple, easy dismounting, labour saving and time saving.

Description

Electric sampling device for large-burial-depth narrow-passage shaft
Technical Field
The utility model belongs to the technical field of geotechnical exploration engineering technique and specifically relates to an electronic sampling device of narrow passageway shaft of big buried depth.
Background
With the acceleration of large-scale engineering construction in the industries of construction, municipal administration, traffic and the like, the survey design level is rapidly developed, and the requirement for sampling soil samples is improved. At present, the sampling soil body is often required to be kept in an original state. However, the soil body is various sediments generated by rocks in complex natural environments such as weathering, denudation, transportation and sedimentation, is a three-phase system consisting of solid substances, water and gas, has a relatively loose soil body structure, is easy to disturb and destroy the original structure system in the processes of sampling operation, sample packaging, storage and transportation, and causes difficulty in sampling undisturbed soil and even failure in sampling.
Especially to the undisturbed soil sample of shaft, present mode is comparatively complicated, specifically is: the safety belt is put through 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; an operator holds the sampling tube by one hand and aims at the inner wall of the vertical shaft, and uses an iron hammer to knock the sampling tube by the other hand, so that the sampling tube extends into the soil body in the vertical shaft; and after sampling is finished, the sampling tube is withdrawn, and finally the operator is lifted away from the vertical shaft through the lifting equipment. The above method has the following disadvantages: firstly, inclination and deviation of a sampling tube are easy to occur by adopting a hammering method, and soil body vibration is easy to cause in the hammering process, the original structural system of the soil body is damaged, and sampling of the original soil body fails; secondly, operators need to go down to the vertical shaft for relevant operation, and certain potential safety hazards exist; thirdly, the operator is connected with the hoisting equipment through a rope, so that the operator shakes in the vertical shaft, and force is not applied conveniently; fourthly, the labor intensity of manual operation is high, and the efficiency is low.
In conclusion, the conventional vertical shaft undisturbed soil sampling device has certain technical defects. In the sampling operation process, the original soil body to be sampled can generate great disturbance and damage, and meanwhile, the operation flow is complex, the labor intensity is high, the sampling efficiency is low, and the sampling success rate is low.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned shaft original state soil sampling device operation flow is complicated, sample inefficiency, destroy greatly and the sample success rate is low to the soil body disturbance, the utility model provides a simple structure, little, the high narrow passageway shaft electric sampling device of big buried depth of degree of automation to the soil body disturbance.
The utility model adopts the technical proposal that: a vertical shaft electric sampling device with a large buried depth and a narrow channel comprises a sampling mechanism horizontally arranged in a vertical shaft and a lifting mechanism arranged at the top of the vertical shaft and used for driving the sampling mechanism to ascend and descend in the vertical direction; the sampling mechanism comprises a supporting rod horizontally arranged in the shaft, one end of the supporting rod is connected with the inner wall of the shaft, and the other end of the supporting rod is connected with the inner wall of the shaft through a hydraulic jack and a hollow sampling tube in sequence; the fixed end of the hydraulic jack is fixedly connected with the support rod, and a hydraulic pump for driving a piston rod of the hydraulic jack to stretch is arranged outside the hydraulic jack; the hydraulic jack can drive the sampling tube to move in the horizontal direction. During the sample, transfer the sampling mechanism through elevating system and reach predetermined sample position to through elevating system adjustment sampling mechanism's levelness, sample in rethread hydraulic jack drive sampling tube slowly stretches into the soil body of shaft. The utility model adopts the hydraulic jack to slowly insert the sampling tube into the soil body in the shaft, avoids the disturbance of the sampling tube from damaging the soil body, ensures the integrity of the original state soil as much as possible, is convenient for subsequent tests, and reduces the test error; simultaneously the utility model discloses replace traditional manual operation, reduced intensity of labour, improved sample efficiency, reduced the potential safety hazard, and this device is simple, easy dismounting, labour saving and time saving.
Further, the lifting mechanism comprises a rack arranged at the top of the vertical shaft, a winch is arranged on the rack, 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 ascend and descend in the vertical direction; in addition, different steel wire ropes are controlled by different winches, so that the sampling mechanism is convenient to level.
Furthermore, 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; two first lifting lugs connected with the steel wire rope are arranged on the connecting seat; a transparent observation window is arranged on the connecting cylinder. 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 conveniently connected with the sampling tube; meanwhile, the observation window on the connecting cylinder is convenient for operators to monitor the soil condition in the sampling pipe 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 support rod. The soil condition in the sampling pipe can be monitored in real time through the first camera; but the contact condition of real-time supervision bracing piece and shaft inner wall through the second camera.
Furthermore, the sampling tube is in threaded connection with the connecting cylinder, and the sampling tube can be detached from the connecting cylinder, so that subsequent packaging and transportation are facilitated; the bolt connection mode has the characteristics of simple structure and convenience and quickness in disassembly and assembly.
Furthermore, the end of the sampling tube is provided with a cutting edge, and the cutting edge is provided with cutting teeth. The cutting edge reduces the contact area of the sampling tube and the soil body, so that the sampling tube can be conveniently cut into the soil body, and time and labor are saved; the blade teeth are similar to a sawing principle, and can smoothly cut into the soil body of the vertical shaft in the radial direction of the sampling tube.
Furthermore, a level gauge is arranged on the supporting rod, so that the levelness of the sampling mechanism can be observed conveniently, and corresponding adjustment can be carried out conveniently.
Further, the support rod comprises at least two sleeved support rods, and adjacent support rods are in threaded connection. The whole length of the supporting rod can be adjusted by rotating the adjacent supporting rods, so that the use of vertical shafts with different diameters is met, and the applicability and the universality of the device are improved; meanwhile, the size of the supporting rod is reduced, and the sampling mechanism is convenient to store and transport.
Furthermore, a base plate which is vertically arranged is arranged at one end of the supporting rod connected with the inner wall of the vertical shaft; two second lifting lugs connected with the steel wire rope are arranged on the base plate. The contact area between the support rod and the inner wall of the vertical shaft is increased by the base plate, and the connection stability of the sampling mechanism and the vertical shaft is improved; set up the second lug on the backing plate, increased sampling mechanism's atress span, improved the stability that sampling mechanism and elevating system are connected.
The utility model has the advantages that:
1. the utility model has the advantages that the sampling tube is slowly inserted into the soil body in the shaft, the disturbance of the sampling tube is avoided to destroy the soil body, the integrity of the undisturbed soil is ensured as much as possible, the subsequent test is convenient, and the test error is reduced; simultaneously the utility model discloses replace traditional manual operation, reduced intensity of labour, improved sample efficiency, reduced the potential safety hazard, and this device is simple, easy dismounting, labour saving and time saving.
2. The utility model discloses a but the soil body condition and the contact condition of bracing piece and shaft inner wall in first camera and the second camera real-time supervision thief tube.
3. The cutting edge of the utility model reduces the contact area between the sampling tube and the soil body, so that the sampling tube can be conveniently cut into the soil body, thereby saving time and labor; the blade teeth can cut into the soil body of the vertical shaft in the radial direction of the sampling tube more smoothly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Labeled as: 1. a shaft; 2. a 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. fixing the rod; 10. a first lifting lug; 11. a second lifting lug; 12. a first camera; 13. a second camera; 14. cutting edges; 15. a blade tooth; 16. a level gauge; 17. a base plate; 18. an electric wire; 19. a first support bar; 20. a second support bar;
101. a frame; 102. a winch; 103. a steel cord.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses an electric sampling device for a large-burial-depth narrow-passage shaft, which comprises a sampling mechanism horizontally arranged in the shaft 1 and a lifting mechanism arranged at the top of the shaft and used for driving the sampling mechanism to ascend and descend in the vertical direction; the sampling mechanism comprises a supporting rod horizontally arranged in the shaft, one end of the supporting rod is connected with the inner wall of the shaft, and the other end of the supporting rod is connected with the inner wall of the 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 support rod, and a hydraulic pump 5 for driving a piston rod of the hydraulic jack to stretch is arranged outside the hydraulic jack; the hydraulic jack can drive the sampling tube to move in the horizontal direction. During the sample, transfer the sampling mechanism through elevating system and reach predetermined sample position to through elevating system adjustment sampling mechanism's levelness, sample in rethread hydraulic jack drive sampling tube slowly stretches into the soil body of shaft. The utility model adopts the hydraulic jack to slowly insert the sampling tube into the soil body in the shaft, avoids the disturbance of the sampling tube from damaging the soil body, ensures the integrity of the original state soil as much as possible, is convenient for subsequent tests, and reduces the test error; simultaneously the utility model discloses replace traditional manual operation, reduced intensity of labour, improved sample efficiency, reduced the potential safety hazard, and this device is simple, easy dismounting, labour saving and time saving.
Referring to fig. 1, the lifting mechanism of the present embodiment includes a frame 101 disposed at the top of the shaft, and a winch 102 is disposed on the frame and connected to the sampling mechanism through a wire rope 103. The lifting mechanism is used for driving the sampling mechanism to ascend and descend in the vertical direction; in addition, different steel wire ropes are controlled by different winches, so that the sampling mechanism is convenient to level.
Referring to fig. 1, in the present embodiment, a connection seat 6 is connected to a movable end of a hydraulic jack, and a connection cylinder 7 is disposed on the connection 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 a steel wire rope 103 are arranged on the connecting seat 6; a transparent observation window 8 is arranged on the connecting cylinder. 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 conveniently connected with the sampling tube; meanwhile, the observation window on the connecting cylinder is convenient for operators to monitor the soil condition in the sampling pipe in real time.
Referring to fig. 1, the present embodiment has a fixing rod 9 vertically arranged on the hydraulic jack; the fixed bar is provided with a first camera 12 facing the observation window and a second camera 13 facing the support bar. The soil condition in the sampling pipe can be monitored in real time through the first camera; but the contact condition of real-time supervision bracing piece and shaft inner wall through the second camera.
The sampling tube 4 of the embodiment is in threaded connection with the connecting cylinder 7, so that the sampling tube can be detached from the connecting cylinder, and subsequent packaging and transportation are facilitated; the bolt connection mode has the characteristics of simple structure and convenience and quickness in disassembly and assembly.
Referring to fig. 1, the present embodiment is provided with a cutting edge 14 provided with cutting teeth 15 at the end of the sampling tube. The cutting edge reduces the contact area of the sampling tube and the soil body, so that the sampling tube can be conveniently cut into the soil body, and time and labor are saved; the blade teeth are similar to a sawing principle, and can smoothly cut into the soil body of the vertical shaft in the radial direction of the sampling tube.
Referring to fig. 1, the present embodiment provides a level 16 on the support bar to facilitate viewing the levelness of the sampling mechanism for adjustment.
Referring to fig. 1, the support rod of the present embodiment includes two sleeved support rods, and adjacent support rods are connected by screw threads. The two supporting rods are respectively a first supporting rod 19 and a second supporting rod 20, the second supporting rod is arranged in the first supporting rod, the level meter is arranged on the supporting rod on the outermost side, namely the first supporting rod, and the first supporting rod and the second supporting rod are in threaded connection; the first strut can be made to telescope within the second strut by rotating the second strut, the shim plate being arranged at the end of the innermost strut, i.e. at the end of the second strut. The whole length of the supporting rod can be adjusted by rotating the adjacent supporting rods, so that the use of vertical shafts with different diameters is met, and the applicability and the universality of the device are improved; meanwhile, the size of the supporting rod is reduced, and the sampling mechanism is convenient to store and transport.
Referring to fig. 1, in the present 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 rope 103 are arranged on the backing plate. The contact area between the support rod and the inner wall of the vertical shaft is increased by the base plate, and the connection stability of the sampling mechanism and the vertical shaft is improved; set up the second lug on the backing plate, increased sampling mechanism's atress span, improved the stability that sampling mechanism and elevating system are connected.
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 the same specification, and under the condition of the same stroke, multistage hydraulic jack's size is littleer, and area occupied is littleer.
A sampling method comprising the steps of:
s1, adjusting the length of the supporting rod by rotating the adjacent supporting rods according to the diameter of the vertical shaft, so that the overall length of the sampling mechanism is slightly smaller than the diameter of the vertical shaft;
s2, erecting a lifting mechanism at the top of the shaft, and lowering the sampling mechanism through the lifting mechanism to reach a preset sampling position;
s3, observing the 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 and the base plate with the inner wall of the vertical shaft by the first camera and the second camera;
s4, driving the sampling tube to stably and slowly horizontally press to a soil body in the 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 application of force by the hydraulic jack;
s5, controlling the sampling tube to slightly move up and down or left and right through the lifting mechanism, and breaking off the soil body at the blade tooth part; the sampling tube is driven by a hydraulic jack to move out of the soil body stably and slowly until the sampling tube is separated from the inner wall of the vertical shaft;
and S6, lifting the sampling mechanism to the ground through the lifting mechanism, taking off the sampling tube, and sealing two ends of the sampling tube by using a cover.
According to the scheme, the sampling tube is slowly inserted into the soil body in the vertical shaft, the disturbance of the sampling tube to damage the soil body is avoided, the integrity of undisturbed soil is ensured as far as possible, the subsequent test is facilitated, and the test error is reduced; simultaneously the utility model discloses replace traditional manual operation, reduced intensity of labour, improved sample efficiency, reduced the potential safety hazard, and this device is simple, easy dismounting, labour saving and time saving.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The electric sampling device for the vertical shaft with the large buried depth and the narrow passage is characterized by comprising a sampling mechanism horizontally arranged in the vertical shaft (1) and a lifting mechanism arranged at the top of the vertical shaft and used for driving the sampling mechanism to ascend and descend in the vertical direction;
the sampling mechanism comprises a supporting rod horizontally arranged in the shaft, one end of the supporting rod is connected with the inner wall of the shaft, and the other end of the supporting rod is connected with the inner wall of the 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 support rod, and a hydraulic pump (5) for driving a piston rod of the hydraulic jack to stretch is arranged outside the hydraulic jack; the hydraulic jack can drive the sampling tube to move in the horizontal direction.
2. The electric sampling device for the vertical shaft with the large burial depth and the narrow passage as claimed in claim 1, wherein 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).
3. The large-burial-depth narrow-passage shaft electric sampling device as claimed in claim 1, wherein 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 a connecting seat (6) and a 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.
4. A large buried depth narrow passage shaft electric sampling device as claimed in claim 3, characterized in that the hydraulic jack is vertically arranged with a fixing rod (9); the fixed rod is provided with a first camera (12) facing the observation window and a second camera (13) facing the support rod.
5. A large burial depth narrow passage shaft electric sampling device as claimed in claim 3, wherein the sampling tube (4) is in threaded connection with the connecting cylinder (7).
6. The electric sampling device for the vertical shaft with the large burial depth and the narrow passage as claimed in claim 1, wherein the end part of the sampling tube is provided with a cutting edge (14) which is provided with cutting teeth (15).
7. A large buried depth narrow passage shaft electric sampling device as claimed in claim 1, characterized in that the supporting rod is provided with a level gauge (16).
8. The electric sampling device for the vertical shaft with the large buried depth and the narrow channel as claimed in claim 1, wherein the supporting rod comprises at least two sleeved supporting rods, and adjacent supporting rods are connected through threads.
9. The electric sampling device for the vertical shaft with the large buried depth and the narrow channel as claimed in claim 1, wherein one end of the supporting rod connected with the inner wall of the vertical shaft is provided with a backing plate (17) which is vertically arranged; two second lifting lugs (11) connected with the steel wire rope (103) are arranged on the base plate.
CN202022339000.8U 2020-10-20 2020-10-20 Electric sampling device for large-burial-depth narrow-passage shaft Active CN212296355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022339000.8U CN212296355U (en) 2020-10-20 2020-10-20 Electric sampling device for large-burial-depth narrow-passage shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022339000.8U CN212296355U (en) 2020-10-20 2020-10-20 Electric sampling device for large-burial-depth narrow-passage shaft

Publications (1)

Publication Number Publication Date
CN212296355U true CN212296355U (en) 2021-01-05

Family

ID=73934670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022339000.8U Active CN212296355U (en) 2020-10-20 2020-10-20 Electric sampling device for large-burial-depth narrow-passage shaft

Country Status (1)

Country Link
CN (1) CN212296355U (en)

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