CN212903994U - Undisturbed soil sampling device - Google Patents
Undisturbed soil sampling device Download PDFInfo
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- CN212903994U CN212903994U CN202022338977.8U CN202022338977U CN212903994U CN 212903994 U CN212903994 U CN 212903994U CN 202022338977 U CN202022338977 U CN 202022338977U CN 212903994 U CN212903994 U CN 212903994U
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- upper support
- sampling tube
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- undisturbed soil
- sampling device
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Abstract
The utility model discloses an undisturbed soil sampling device, which comprises a frame, wherein a power mechanism is arranged on the frame, and a hollow sampling tube is arranged at the bottom of the power mechanism; the power mechanism comprises an upper support, a lower support arranged below the upper support and a screw arranged between the upper support and the lower support; a connecting seat fixedly connected with the screw rod is arranged at any end part of the screw rod, and the connecting seat is connected with a handle; the screw is provided with a thread sleeve matched with the screw thread; the upper support is hinged with two upper support frames, and the two upper support frames are respectively hinged with the threaded sleeve and the connecting seat; two lower support frames are hinged on the lower support, and are respectively hinged with the threaded sleeve and the connecting seat; the utility model adopts the principle of the mechanical jack to slowly insert the sampling tube into the soil body, avoids the disturbance of the sampling tube from damaging the soil body, ensures the integrity of the original soil as much as possible, is convenient for subsequent tests, and reduces the test error; just the utility model discloses simple structure, convenient operation, labour saving and time saving.
Description
Technical Field
The utility model belongs to the technical field of geotechnical exploration engineering technique and specifically relates to an original state soil sampling device.
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.
Most of devices for sampling undisturbed soil in the prior art are single cylindrical cylinders, and mainly use a hammering sampling tube to drive the sampling tube into a soil body, and finally pull out the sampling tube to obtain a soil body sample. The sampling device and the sampling method mainly have the following defects: the sampling tube is easy to incline and deviate 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 the sampling of the original soil body fails; because the hammering operation is directly adopted, the sampling tube can not be knocked into the soil body below the surface completely, so that a certain space is left at the upper end in the sampling tube, and the condition that the soil body is loose in the later period can be caused.
In conclusion, the existing 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, and the sampling success rate is low.
SUMMERY OF THE UTILITY MODEL
To above-mentioned prior art original state soil sampling device operation flow complicated, destroy big and the low technical problem of sample success rate to the soil body disturbance, the utility model provides a simple structure, easy and simple to handle, to the little original state soil sampling device of soil body disturbance.
The utility model adopts the technical proposal that: an undisturbed soil sampling device comprises a rack, wherein a power mechanism is arranged on the rack, a hollow cylindrical sampling tube is arranged at the bottom of the power mechanism, and the power mechanism can drive the sampling tube to continuously lift in the vertical direction; the power mechanism comprises an upper support, a lower support arranged below the upper support and a screw arranged between the upper support and the lower support; a connecting seat fixedly connected with the screw rod is arranged at any end part of the screw rod, and the connecting seat is connected with a handle; the screw is provided with a thread sleeve matched with the screw thread; the upper support is fixedly connected with the frame, two upper support frames are hinged on the upper support, and the two upper support frames are respectively hinged with the threaded sleeve and the connecting seat; two lower support frames are hinged on the lower support, and are respectively hinged with the threaded sleeve and the connecting seat; the sampling tube is connected with the lower support; the threaded sleeve can be driven to move on the screw rod by rotating the screw rod. During the sample, will the utility model discloses a sampling tube vertically arranges the soil body surface in, through turning handle, drives the screw rod and rotates in step, and drive thread bush moves on the screw rod, and rethread upper bracket and lower carriage drive sampling tube go up and down in vertical direction. The utility model adopts the principle of the mechanical jack to slowly insert the sampling tube into the soil body, avoids the disturbance of the sampling tube from damaging the soil body, ensures the integrity of the original soil as much as possible, is convenient for subsequent tests, and reduces the test error; just the utility model discloses simple structure, convenient operation, labour saving and time saving.
Further, the frame comprises a top plate and a bracket connected to the bottom of the top plate; the support is detachably connected with the top plate. The frame has simple structure and convenient and quick assembly; the support can be dismantled with the roof, is convenient for sampling device's deposit and transportation.
Furthermore, the support is connected with the top plate through bolts, so that the assembly and disassembly are simple and quick.
Further, the foot nails are vertically arranged at the bottom of the support and can extend into a soil body, so that the sampling device is reinforced, and the stability of the rack is enhanced.
Furthermore, the top plate is a square plate, and the support is of a U-shaped structure; the foot nails are four and are respectively arranged at four corners of the bracket. When the sample, the support of U-shaped is convenient for people's foot to trample, changes some atress into the face atress, has increased the area of contact of support with the soil body, has improved the stability of frame.
Furthermore, the upper support frame and the lower support frame are both of U-shaped structures, and the upper support is connected to the middle of the top plate, so that the stability of the rack can be improved.
Further, a connecting cylinder is arranged on the lower support, and the lower support is connected with the sampling tube through the connecting cylinder; a transparent observation window is arranged on the connecting cylinder. The connecting cylinder is used as a connecting piece, so that the lower support is conveniently connected with the sampling tube; meanwhile, the observation window on the connecting cylinder is convenient for operators to observe the soil condition in the sampling pipe in real time.
Furthermore, the sampling tube can be detachably connected with the connecting cylinder, and the sampling tube can be detached from the connecting cylinder, so that subsequent packaging and transportation are facilitated.
Furthermore, the sampling tube is in threaded connection with the connecting cylinder, so that the sampling tube is simple in structure and convenient and quick to disassemble and assemble.
Further, the tip of sampling tube is provided with the blade. The soil body is blown out from the top of the sampling pipe, so that the soil sample is prevented from being compacted and damaging an original structure; the blade has reduced the area of contact of sampling tube and soil body, and the sampling tube of being convenient for cuts into in the soil body better, labour saving and time saving.
The utility model has the advantages that:
1. the utility model adopts the principle of the mechanical jack to slowly insert the sampling tube into the soil body, avoids the disturbance of the sampling tube from damaging the soil body, ensures the integrity of the original soil as much as possible, is convenient for subsequent tests, and reduces the test error; just the utility model discloses simple structure, convenient operation, labour saving and time saving.
2. The utility model discloses arrange the observation window on the connecting cylinder and be convenient for operating personnel to observe the soil body condition in the sample tube in real time.
3. The utility model discloses in the foot nail can stretch into the soil body, play reinforced (rfd) effect, the stability of reinforcing frame to sampling device.
Drawings
Fig. 1 is a state diagram of the present invention before sampling.
Fig. 2 is a state diagram after the sampling of the present invention.
Labeled as:
1. a sampling tube; 2. a handle; 3. an upper support frame; 4. a lower support frame; 5. a top plate; 6. a support; 7. foot nails; 8. a connecting cylinder; 9. an observation window; 10. cutting edges; 11. a soil body;
101. an upper support; 102. a lower support; 103. a screw; 104. a connecting seat; 105. and (4) a threaded sleeve.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, the undisturbed soil sampling device of the utility model comprises a frame, wherein a power mechanism is arranged on the frame, a hollow cylindrical sampling tube 1 is arranged at the bottom of the power mechanism, and the power mechanism can drive the sampling tube to continuously lift in the vertical direction; the power mechanism comprises an upper support 101, a lower support 102 arranged below the upper support and a screw 103 arranged between the upper support and the lower support; a connecting seat 104 fixedly connected with the screw rod is arranged at any end part of the screw rod, and the connecting seat is connected with a handle 2; a threaded sleeve 105 matched with the screw thread is arranged on the screw; the upper support 101 is fixedly connected with the frame, two upper support frames 3 are hinged on the upper support, and the two upper support frames are respectively hinged with the threaded sleeve 105 and the connecting seat 104; the lower support is hinged with two lower support frames 4, and the two lower support frames are respectively hinged with the threaded sleeve 105 and the connecting seat 104; the sampling tube 1 is connected with the lower support 102; the threaded sleeve can be driven to move on the screw rod by rotating the screw rod. During the sample, will the utility model discloses a sampling tube vertically arranges the soil body surface in, through turning handle, drives the screw rod and rotates in step, and drive thread bush moves on the screw rod, and rethread upper bracket and lower carriage drive sampling tube go up and down in vertical direction. The utility model adopts the principle of the mechanical jack to slowly insert the sampling tube into the soil body, avoids the disturbance of the sampling tube from damaging the soil body, ensures the integrity of the original soil as much as possible, is convenient for subsequent tests, and reduces the test error; just the utility model discloses simple structure, convenient operation, labour saving and time saving.
Referring to fig. 1 and 2, the housing of the present embodiment includes a top plate 5 and a bracket 6 attached to the bottom of the top plate; the support is detachably connected with the top plate. The frame has simple structure and convenient and quick assembly; the support can be dismantled with the roof, is convenient for sampling device's deposit and transportation.
The support 6 and the top plate 5 of the embodiment are connected through bolts, and are simple and quick to disassemble and assemble.
Referring to fig. 1 and 2, in the embodiment, the foot nails 7 are vertically arranged at the bottom of the support, and the foot nails can extend into a soil body to reinforce the sampling device and enhance the stability of the rack.
The top plate 5 of the embodiment is a square plate, and the bracket 6 is of a U-shaped structure; the number of the foot nails 7 is four, and the four foot nails are respectively arranged at four corners of the bracket. When the sample, the support of U-shaped is convenient for people's foot to trample, changes some atress into the face atress, has increased the area of contact of support with the soil body, has improved the stability of frame.
The upper support frame 3 and the lower support frame 4 of the embodiment are both U-shaped structures; the upper bracket is connected in the middle of the top plate, so that the stability of the rack can be improved.
Example two
Referring to fig. 1 and 2, on the basis of the first embodiment, the present embodiment is provided with a connecting cylinder 8 on a lower support, and the lower support 101 is connected with the sampling tube 1 through the connecting cylinder 8; a transparent observation window 9 is arranged on the connecting cylinder. The connecting cylinder is used as a connecting piece, so that the lower support is conveniently connected with the sampling tube; meanwhile, the observation window on the connecting cylinder is convenient for operators to observe the soil condition in the sampling pipe in real time.
Referring to fig. 1 and 2, the present embodiment is provided with a cutting edge 10 at the end of the sampling tube. The soil body is blown out from the top of the sampling pipe, so that the soil sample is prevented from being compacted and damaging an original structure; the blade has reduced the area of contact of sampling tube and soil body, and the sampling tube of being convenient for cuts into in the soil body better, labour saving and time saving.
The working principle is as follows: before the sample, guarantee sampling tube and ground vertical, the surface of soil body 11 is hugged closely to the blade of sampling tube, and the foot nail stretches into in the soil body 11 completely. When sampling, the operator steps on the U-shaped bracket with his foot, one hand presses the top plate, and the other hand rotates the handle; through the twist grip, drive the screw rod and rotate in step, drive thread bush and move towards handle one side, rethread upper bracket and lower carriage drive sampling tube descend from top to bottom in vertical direction, and in the sampling tube slowly stretched into the soil body, see through the observation window that the soil body exposes to the end, stop twist grip. Cleaning soil around the sampling tube to the bottom of the sampling tube, putting down the sampling device, taking down the sampling tube from the sampling device, and packaging the sampling tube through a cover to finish sampling operation.
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 (10)
1. An undisturbed soil sampling device is characterized by comprising a rack, wherein a power mechanism is arranged on the rack, a hollow cylindrical sampling tube (1) is arranged at the bottom of the power mechanism, and the power mechanism can drive the sampling tube to continuously lift in the vertical direction;
the power mechanism comprises an upper support (101), a lower support (102) arranged below the upper support and a screw (103) arranged between the upper support and the lower support;
a connecting seat (104) fixedly connected with the screw rod is arranged at any end part of the screw rod, and the connecting seat is connected with a handle (2); a thread sleeve (105) matched with the screw thread is arranged on the screw;
the upper support (101) is fixedly connected with the frame, two upper support frames (3) are hinged on the upper support, and the two upper support frames are respectively hinged with the threaded sleeve (105) and the connecting seat (104); two lower support frames (4) are hinged on the lower support, and are respectively hinged with the threaded sleeve (105) and the connecting seat (104); the sampling tube (1) is connected with the lower support (102); the threaded sleeve can be driven to move on the screw rod by rotating the screw rod.
2. An undisturbed soil sampling apparatus as claimed in claim 1 wherein the frame includes a top plate (5) and a bracket (6) attached to the bottom of the top plate; the support is detachably connected with the top plate.
3. An undisturbed soil sampling device as claimed in claim 2 wherein the bracket (6) is bolted to the top plate (5).
4. An undisturbed soil sampling device as claimed in claim 2 wherein the foot pins (7) are arranged vertically at the base of the stand.
5. An undisturbed soil sampling device as claimed in claim 4 wherein the top plate (5) is a square plate and the support (6) is of U-shaped configuration; the number of the foot nails (7) is four, and the four foot nails are respectively arranged at four corners of the bracket.
6. The undisturbed soil sampling device of claim 2 wherein the upper support (3) and lower support (4) are of U-shaped configuration; the upper support is connected to the middle part of the top plate.
7. The undisturbed soil sampling device of claim 1 wherein the lower support is provided with a connecting cylinder (8), and the lower support (102) is connected with the sampling tube (1) through the connecting cylinder (8); a transparent observation window (9) is arranged on the connecting cylinder.
8. An undisturbed soil sampling device as claimed in claim 7 wherein the sampling tube (1) is releasably connected to the connector barrel (8).
9. An undisturbed soil sampling device as claimed in claim 8 wherein the sampling tube (1) is threadedly connected to the connector barrel (8).
10. An undisturbed soil sampling device as claimed in claim 1 wherein the end of the sampling tube is provided with a cutting edge (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022338977.8U CN212903994U (en) | 2020-10-20 | 2020-10-20 | Undisturbed soil sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022338977.8U CN212903994U (en) | 2020-10-20 | 2020-10-20 | Undisturbed soil sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212903994U true CN212903994U (en) | 2021-04-06 |
Family
ID=75260561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022338977.8U Active CN212903994U (en) | 2020-10-20 | 2020-10-20 | Undisturbed soil sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212903994U (en) |
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2020
- 2020-10-20 CN CN202022338977.8U patent/CN212903994U/en active Active
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