CN218823281U

CN218823281U - Engineering soil quality detection sampling device

Info

Publication number: CN218823281U
Application number: CN202222342235.1U
Authority: CN
Inventors: 王�华; 马勇; 魏磊
Original assignee: Sinohydro Bureau 7 Co Ltd
Current assignee: Sinohydro Bureau 7 Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-04-07
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses an engineering soil property detects sampling device belongs to the technical field that soil property detected the sampling. It includes the outer tube, sliding connection has the sampling cylinder in the outer tube, the sampling cylinder internal rotation is connected with the drilling rod, the extending direction sliding connection of tip along the drilling rod of drilling rod has the drill bit, be provided with the cladding piece that is used for cladding sampling cylinder tip on the drill bit, the one end that the drill bit was kept away from to the cladding piece is provided with annular elastic component, annular elastic component internal diameter under natural state is less than the external diameter of sampling cylinder, the tip that the sampling cylinder is close to the drill bit stretches out the outer tube, be provided with between outer tube and the sampling cylinder and maintain both relatively fixed stop gear. The utility model has the advantages of simple structure, convenient operation can carry out accurate sampling to target position and target depth, reduce the alternately advantage of target area and non-target area soil sample.

Description

Engineering soil quality detection sampling device

Technical Field

The utility model relates to an engineering soil property detects sampling device belongs to the technical field that soil property detected the sampling.

Background

In many engineering projects such as water conservancy and hydropower, the soil property of an engineering area is often required to be detected, and morphological characteristics, physical characteristics, chemical properties and the like of a soil sample are analyzed according to engineering requirements. At present, equipment and tools for sampling soil samples usually drill into soil in a target area through a rod with a drill bit, and the target area soil samples are collected by rotating the drill bit and plugging and unplugging the rod. However, when the tool is used for sampling, only the soil sample on the surface layer of the target area can be sampled, if the soil sample at a deeper position is to be sampled, the drill rod is required to continuously drill into the deeper position, the soil sample from the surface layer to the deeper position in the area is completely taken out, so that the requirements on the length of the drill rod and the capacity of the sampling cylinder are higher, and the taken soil sample is difficult to be thoroughly distinguished according to the depth position of the taken soil sample.

In the prior art, patent application with publication number CN106680023A discloses a sudden sampling method for isolating pollution, which is to press an outer sleeve into the soil body, then to take out the surface soil body by using an inner tube, and then to collect the soil sample with the target depth. Meanwhile, the inner pipe collects the target soil sample after taking out the surface soil body, so that the surface soil sample remains in the collected soil sample easily, and in the detection sampling with strict requirements, the related structure of the inner pipe needs to be cleaned, so that the operation is complex and the sampling efficiency is low.

Disclosure of Invention

An object of the utility model is to overcome prior art's is not enough, provide an engineering soil property detection sampling device.

The purpose of the utility model is realized through the following technical scheme: the utility model provides an engineering soil texture detects sampling device, includes the outer tube, sliding connection has the cartridge in the outer tube, the cartridge internal rotation is connected with the drilling rod, the tip of drilling rod has the drill bit along the extending direction sliding connection of drilling rod, be provided with the cladding piece that is used for cladding cartridge tip on the drill bit, the one end that the drill bit was kept away from to the cladding piece is provided with annular elastic component, annular elastic component internal diameter under natural state is less than the external diameter of cartridge, the outer tube is stretched out to the tip that the cartridge is close to the drill bit, be provided with between outer tube and the cartridge and maintain both relatively fixed stop gear.

Furthermore, a guide part and a reset elastic part which extend along the length direction of the drill rod are arranged between the drill bit and the drill rod, and the drill bit is abutted against the drill rod under the natural state of the reset elastic part.

Furthermore, one end of the cladding piece, which is far away from the drill bit, is provided with an abutting piece, and the annular elastic piece is positioned on one side, which faces the drill bit, of the abutting piece.

Further, the wrapping member includes a base layer and a plurality of supporting members, the plurality of supporting members are fixedly connected to the base layer and extend in a radial direction of the base layer, and the abutting member is connected to an end of the base layer away from the drill bit.

Furthermore, stop gear includes the stopper of fixed connection on sampling barrel or outer tube, set up the L shape spacing groove with stopper matched with on sampling barrel or the outer tube.

Furthermore, a supporting frame is connected to the sampling cylinder, and a telescopic supporting rod is arranged on the supporting frame.

Furthermore, a control piece is connected to the outer sleeve.

Furthermore, the sampling cylinder is formed by splicing a plurality of annular sampling units along the axial direction.

Furthermore, one end of the drill rod, which is far away from the drill bit, is connected with a driving piece for driving the drill rod to rotate.

The utility model has the advantages that:

the end part of the sampling cylinder is provided with the drill bit and the coating part, and the end part of the sampling cylinder is coated by the coating part, so that when the drill bit does not reach the target depth, the coating part stops soil samples near the drill bit from entering the sampling cylinder. When the drill bit reachs target depth department, promote the relative sampling barrel of outer tube and move down, the one end that is connected with annular elastic component with the cladding piece is pushed down from the periphery of sampling barrel, annular elastic component is shrink after losing the tension that the sampling barrel propped open, make the unable cladding of cladding piece at the tip of sampling barrel again, reset to the outer tube, continue to rotate the drilling rod downwards, can collect the soil sample of target depth department to the sampling barrel in, and easy operation is convenient, and the sampling position is accurate, the soil sample with near non-target area that has significantly reduced is alternately, be favorable to improving the rate of accuracy of the efficiency of sampling.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a cross-sectional view of the drill bit in the sampling state of the present invention.

Fig. 4 is a schematic structural view of the connection between the outer sleeve and the sampling cylinder according to the present invention.

In the figure, 1, an outer sleeve; 11. a control member; 2. a sampling cartridge; 21. a sampling unit; 3. a drill stem; 31. A drill bit; 4. a drive member; 5. a covering member; 51. an annular elastic member; 52. an abutting member; 53. a base layer; 54. a support member; 6. a guide member; 7. a restoring elastic member; 8. a limiting block; 9. an L-shaped limiting groove; 10. a support frame; 101. a telescopic supporting rod.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a technical solution: the utility model provides an engineering soil texture detects sampling device, includes outer tube 1, and sliding connection has cartridge 2 in outer tube 1, and cartridge 2 can slide from top to bottom relative to outer tube 1. Sampling barrel 2 of this embodiment is formed along the axial concatenation by a plurality of annular sampling units 21, sampling barrel 2 is formed by the concatenation in proper order of multistage sampling unit 21, like this when sampling many places, both need not to carry many long sampling barrels 2, also need not to be at a sampling barrel 2 of a plurality of sampling point used repeatedly, and only need carry multistage sampling unit 21, after once sampling is accomplished, a certain section or a few sections of sampling unit 21 that will gather the sample lift off, change new unused sampling unit 21 can, be favorable to reducing the heavy burden of going out the sampling, also be favorable to avoiding the sample cross of different sampling points to mix. Here, the splicing among the multiple sections of sampling units 21 can be realized by various ways, such as threaded connection, clamping connection, etc., adjacent sampling units 21 of this embodiment are connected by threads, and the upper and lower ends of the sampling units 21 are respectively provided with external threads and internal threads which are matched with each other.

As shown in fig. 1 and 2, a drill rod 3 is rotatably connected in a sampling cylinder 2, a drill bit 31 is slidably connected to the lower end of the drill rod 3 along the extending direction of the drill rod 3, and a driving member 4 for driving the drill rod 3 to rotate is connected to the upper end of the drill rod 3, the driving member 4 for sampling in this embodiment is a motor, and during sampling, the motor is turned on to drive the drill rod 3 and the drill bit 31 to rotate so as to drill into the soil and perform sampling after the drill rod is lowered to a target depth. Still be provided with the guide 6 that extends along drilling rod 3 length direction between drill bit 31 and drilling rod 3, the guide 6 of this embodiment sets up on drill bit 31, set up the shrinkage pool unanimous with drilling rod 3 external diameter on drill bit 31, set up guide 6 on the shrinkage pool inside wall, then be provided with the guide way with guide 6 matched with in drilling rod 3 periphery, this guide way extends along the axial of drilling rod 3, and drill bit 31 rotates drilling rod 3 under the guide effect of guide bar like this. For the stability of being connected between improvement drill bit 31 and the drilling rod 3, still be provided with the elastic component 7 that resets in the shrinkage pool of drill bit 31, the lower extreme fixed connection of elastic component 7 that resets is in the shrinkage pool bottom of drill bit 31, and then fixed connection is on drilling rod 3 in the upper end. And the elastic return element 7 is in a natural state, the drill bit 31 abuts against the drill rod 3, so that after the drill bit 31 and the drill rod 3 are separated in a relatively sliding manner, the elastic return element 7 is stretched, and the drill bit 31 can restore the abutting state under the elastic force of the elastic return element 7.

As shown in fig. 1 and 2, in order to accurately collect a soil sample at a target depth, a wrapping member 5 for wrapping the end of the sampling cylinder 2 is arranged on the drill bit 31, the wrapping member 5 is used for controlling the sampling state of the sampling cylinder 2, and when the wrapping member 5 wraps the lower end of the sampling cylinder 2, the sampling cylinder 2 is in a non-sampling state; when the wrapper 5 is disengaged from the lower end of cartridge 2 and no longer wraps the lower end of cartridge 2, cartridge 2 is in the sampling state. The covering member 5 of the present embodiment includes a base layer 53 and a plurality of supporting members 54, the base layer 53 forms a covering surface of the covering member 5, and a fiber cloth with good wear resistance, such as nylon cloth, oxford cloth, etc., can be used. A plurality of supporting members 54 extending in the radial direction of the base layer 53 are fixedly connected to the surface of the base layer 53, the supporting members 54 act as umbrella ribs opposite to the umbrella surface relative to the base layer 53, and the base layer 53 is supported between the drill 31 and the lower end of the drill rod 3 by the supporting members 54, so that the base layer 53 is prevented from bending and folding under the pressure of soil during the drilling process, and the upper edge of the base layer 53 is prevented from being separated from the end of the drill rod 3. An abutting part 52 is arranged at the upper end of the covering part 5, the abutting part 52 can be made into an annular structure by adopting a rubber material, an annular elastic part 51 is arranged on the covering part 5 below the abutting part 52, the inner diameter of the annular elastic part 51 in a natural state is smaller than the outer diameter of the sampling cylinder 2, and the lower end of the sampling cylinder 2 extends out of the outer sleeve 1. When the covering member 5 covers the lower end of the sampling cylinder 2, the abutting member 52 is sleeved on the periphery of the sampling cylinder 2, the annular elastic member 51 below the abutting member 52 is also spread and sleeved on the periphery of the sampling cylinder 2, and the upper end of the abutting member 52 abuts against the outer sleeve 1 along with the downward movement of the outer sleeve. When the covering piece 5 cannot cover the lower end of the sampling cylinder 2, the annular elastic piece 51 contracts under the action of the elastic force of the annular elastic piece to recover the natural state, and the abutting piece 52 on the covering piece 5 is also restrained by the elastic force of the annular elastic piece 51 to be bent and folded and is furled below the drill rod 3, so that the sampling cylinder 2 can collect soil samples.

As shown in fig. 1 and 4, a control member 11 is connected to the outer sleeve 1, and the sampling person can slide the outer sleeve 1 up and down relative to the cartridge 2 by means of the control member 11. The sampling cylinder 2 is connected with a support frame 10, the support frame 10 is provided with a telescopic support rod 101, a limiting mechanism for maintaining the relative fixation of the outer sleeve 1 and the sampling cylinder 2 is arranged between the outer sleeve 1 and the sampling cylinder 2, and the limiting mechanism can maintain or release the relative fixation between the outer sleeve 1 and the sampling cylinder 2. The stop gear of this embodiment includes stopper 8 of fixed connection on cartridge 2, offers the L shape spacing groove 9 with stopper 8 matched with on outer sleeve pipe 1, through removing and rotating cartridge 2, makes stopper 8 move down and get into the horizontal part of L shape spacing groove 9 along L shape spacing groove 9, realizes the relative fixation between cartridge 2 and outer sleeve pipe 1. When the relative fixation between the two is required to be released, the outer sleeve 1 is rotated to enable the limiting block 8 to return to the vertical part of the L-shaped limiting groove 9, and then the outer sleeve 1 is moved downwards.

As shown in fig. 1 and 3, the utility model discloses in the use, keep the 5 pot heads on the cladding piece on the drill bit 31 to establish the state in 2 peripheries of sampling cylinder, sampling cylinder 2 is in not sampling state promptly, fixes the lower extreme of flexible bracing piece 101 in target sampling department, opens driving piece 4, and drilling rod 3 and drill bit 31 rotate under the drive of driving piece 4, and the sampling personnel promotes support frame 10 downwards, makes sampling cylinder 2 creep into in the soil. Along with the downward movement of the sampling cylinder 2, the telescopic support rod 101 contracts and moves to a target depth, the length of the telescopic support rod 101 is fixed, the sampling cylinder 2 is supported by the telescopic support rod 101 and the support frame 10, then the outer sleeve 1 rotates and slides downwards through the control part 11, the lower end of the outer sleeve 1 abuts against the upper end of the abutting part 52, the abutting part 52 and the annular elastic part 51 are pushed downwards, the support part 54 and the drill bit 31 move downwards under the pushing action of the outer sleeve 1, the abutting part 52 and the annular elastic part 51 are pushed downwards from the sampling cylinder 2, the annular elastic part 51 contracts, the abutting part 52 is folded under the elastic action of the annular elastic part 51, the support part 54 also rotates in the direction of the drill rod, the whole cladding part 5 is folded between the drill bit 31 and the drill rod 3, the lower end of the sampling cylinder 2 is exposed, and the sampling cylinder 2 enters a sampling state. And the driving piece 4 is started again, the soil sample at the target position is pushed into the sampling cylinder 2 by the rotation of the drill rod 3, and the target position is sampled. After the sampling device is taken out, the sampling cylinder 2 filled with the soil sample is dismounted, and a new sampling cylinder 2 is replaced, so that the sampling work of the next target position can be carried out.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides an engineering soil property detects sampling device which characterized in that: including outer tube (1), sliding connection has sampling cylinder (2) in outer tube (1), sampling cylinder (2) internal rotation is connected with drilling rod (3), there is drill bit (31) tip along the extending direction sliding connection of drilling rod (3), be provided with cladding piece (5) that are used for cladding sampling cylinder (2) tip on drill bit (31), the one end that drill bit (31) were kept away from in cladding piece (5) is provided with annular elastic component (51), annular elastic component (51) internal diameter under natural state is less than the external diameter of sampling cylinder (2), outer tube (1) is stretched out to the tip that sampling cylinder (2) are close to drill bit (31), be provided with between outer tube (1) and sampling cylinder (2) and maintain both relatively fixed stop gear.

2. The engineering soil texture detection sampling device according to claim 1, characterized in that: a guide piece (6) and a return elastic piece (7) which extend along the length direction of the drill rod (3) are arranged between the drill bit (31) and the drill rod (3), and the drill bit (31) is abutted against the drill rod (3) in a natural state of the return elastic piece (7).

3. The engineering soil texture detection sampling device according to claim 1, characterized in that: one end, far away from the drill bit (31), of the cladding piece (5) is provided with an abutting piece (52), and the annular elastic piece (51) is located on one side, facing the drill bit (31), of the abutting piece (52).

4. The engineering soil texture detection sampling device according to claim 3, characterized in that: the wrapping piece (5) comprises a base layer (53) and a plurality of supporting pieces (54), the supporting pieces (54) are fixedly connected to the base layer (53) and extend along the radial direction of the base layer (53), and the abutting piece (52) is connected to one end, away from the drill bit (31), of the base layer (53).

5. The engineering soil texture detecting and sampling device according to claim 1, characterized in that: the limiting mechanism comprises a limiting block (8) fixedly connected to the sampling cylinder (2) or the outer sleeve (1), and an L-shaped limiting groove (9) matched with the limiting block (8) is formed in the sampling cylinder (2) or the outer sleeve (1).

6. The engineering soil texture detecting and sampling device according to claim 1, characterized in that: the sampling tube (2) is connected with a support frame (10), and the support frame (10) is provided with a telescopic support rod (101).

7. The engineering soil texture detection sampling device according to claim 1, characterized in that: the control piece (11) is connected to the outer sleeve (1).

8. The engineering soil texture detection sampling device according to claim 1, characterized in that: the sampling cylinder (2) is formed by splicing a plurality of annular sampling units (21) along the axial direction.

9. The engineering soil texture detection sampling device according to claim 1, characterized in that: one end of the drill rod (3) far away from the drill bit (31) is connected with a driving piece (4) for driving the drill rod (3) to rotate.