CN215811704U

CN215811704U - Ground sampling device

Info

Publication number: CN215811704U
Application number: CN202022529352.XU
Authority: CN
Inventors: 徐强; 顾俊; 童俊贤; 吴松迪; 柴永艳; 魏明强; 轩俊杰
Original assignee: Northwest Minzu University
Current assignee: Northwest Minzu University
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2022-02-11
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a geotechnical sampling device, comprising a fixed box, the fixed box is a closed box, a main body of a sampling pipe runs through the entire fixed box from the top to the bottom, the main body of the sampling pipe can slide up and down relative to the fixed box, and a screw is inserted into the fixed box. Inside the main body of the sampling tube, the bottom of the main body of the sampling tube is provided with a sampling port, the upper part of the main body of the sampling tube is fixed with a mounting plate matched with the screw, and the bottom of the screw is fixed with a push block that pushes out the soil sample inside the main body of the sampling tube. A pair of mounting brackets are symmetrically fixed inside the fixing boxes on both sides. A screw rod capable of self-transmission is fixed on the mounting bracket. The axis of the screw rod is parallel to the axis of the main body of the sampling tube. The screw rod is equipped with a screw nut. There is a servo motor, the servo motor is connected with one end of the lead screw, and the lead nut is fixedly connected with the outer wall of the main body of the sampling tube on the corresponding side through a connecting plate. The utility model can prevent the main body of the sampling pipe from contaminating the internal environment of the main body of the sampling pipe with rock and soil residues adhering to it.

Description

Ground sampling device

Technical Field

The utility model belongs to the field of wood engineering rock soil sampling, and relates to a rock soil sampling device.

Background

The engineering geological exploration is based on engineering geological mapping, and aims to further find out the engineering geological conditions below the earth surface, such as the spatial distribution and change conditions of rock-soil layers, the buried depth of underground water and the work required when carrying out in-situ test on rock-soil parameters, and rock-soil sampling is to provide samples required for identifying rock-soil characteristics and various indoor tests;

to some soft rock stratums, the traditional method is exactly to dig out the soil on top layer with the spade, then collect the instrument with the soil of digging, carry over back at last, this kind of method is not only troublesome, but also can increase staff's working strength, in the in-process of collecting the ground, the ground granule can be stained with and attach on staff's clothes, is difficult to wash, and current ground sampling device is very troublesome when taking off the ground, and a lot of ground residues can't be clear away totally. Therefore, a rock soil sampling device is provided to solve the problems.

Disclosure of Invention

In view of the above, the present invention provides a rock sampling device capable of effectively solving the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a ground sampling device, including fixed case, the fixed case is confined box, the sampling tube main part runs through whole fixed case from top to bottom, the sampling tube main part can slide from top to bottom for fixed case, the screw rod inserts inside the sampling tube main part, the sample connection is seted up to the bottom of sampling tube main part, the inside upper portion of sampling tube main part is fixed with the mounting panel with screw rod matched with, the bottom of screw rod is fixed with the ejector pad that pushes away the inside soil sample of sampling tube main part, the fixed incasement portion symmetry of sampling tube main part both sides is fixed with a pair of mounting bracket, be fixed with the lead screw that can pass certainly on the mounting bracket, the axis of lead screw is parallel with the axis of sampling tube main part, the screw is equipped with on the lead screw, the top of mounting bracket is fixed with servo motor, servo motor is connected with the one end transmission of lead screw, servo motor provides power for the rotation of lead screw, the screw passes through connecting plate fixed connection with the sampling tube main part lateral wall rather than the one side that corresponds.

Furthermore, a limiting mechanism for limiting the sampling tube body is fixed on the upper end face of the fixing box on one side of the sampling tube body, and a bayonet matched with the limiting mechanism is arranged on the sampling tube body.

Further, stop gear includes the axis of rotation, the upper end of axis of rotation is equipped with the turning block, the turning block can be revolved around the axis of rotation and rotate, the inside of turning block is the cavity, one of them lateral wall opening of turning block, be equipped with a fastener in the turning block, a part of fastener is located the cavity of turning block, the other part of fastener extends to the cavity outside of turning block from the opening, the fastener is located the inside one end of turning block cavity and is provided with integrative slide, the fastener is located and connects through supporting spring between the terminal surface of the inside terminal surface of turning block cavity and relative turning block, the fastener can block in the bayonet.

Furthermore, a guide rod for guiding the screw is integrally arranged on the mounting frame on the other side of the screw.

Further, a handle for rotating the screw is fixed at the upper end of the screw.

The utility model has the beneficial effects that:

the handle can apply force better when the device is carried, the portability of the device is improved, the screw rod can be driven to rotate along with the handle by rotating the handle, so that the force can be better applied in the process of rotating the screw rod, the sliding plate is pushed by the elasticity of the supporting spring to drive the clamping piece to be inserted into the clamping opening, the sampling tube main body can be fixed, the soil sample can be pushed out, and the practicability of the device is improved;

according to the rock soil sampler, the fixing box is attached to the surface of a rock soil layer, then the servo motor is started, the lead screw rotates to enable the screw nut to drive the connecting plate and the sampling tube main body to vertically move downwards until the sampling tube main body is inserted into the rock soil and the rock soil is stored in the sampling tube main body, so that the problem that soil residues attached to clothes are difficult to clean due to the fact that workers directly contact the rock soil can be effectively avoided, the push block rotates and pushes the collected rock soil downwards to push the sampling tube main body out of the sampling tube main body through the rotation of the bolt, detection can be conveniently conducted by the workers, and the situation that the rock soil residues attached to the sampling tube main body pollute the environment in the sampling tube main body can also be prevented.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a longitudinal cross-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an internal structure view of a rotary block according to an embodiment of the present invention.

Description of reference numerals:

1. a fixed box; 2. a sampling tube body; 3. a mounting frame; 4. a lead screw; 5. a nut; 6. a servo motor; 7. a guide bar; 8. a connecting plate; 9. mounting a plate; 10. a screw; 11. a push block; 12. a rotating shaft; 13. rotating the block; 14. a slide plate; 15. a fastener; 16. a support spring; 17. and (4) a bayonet.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in the figure, a ground sampling device, including square fixed case 1, fixed case 1 is the confined box, and whole fixed case 1 is run through from the top to the bottom to sampling tube main part 2, and sampling tube main part 2 can slide from top to bottom for fixed case 1. Inside screw rod 10 inserted the sampling tube main part 2, the upper end of screw rod 10 is fixed with the handle, and the sample connection is seted up to the bottom of sampling tube main part 2. The upper part of the inner part of the sampling tube main body 2 is fixed with a mounting plate 9 matched with the screw rod 10, and the middle part of the mounting plate 9 is provided with a threaded hole matched with the screw rod 10. A pusher 11 for pushing out the soil sample inside the sampling tube body 2 is fixed to the bottom of the screw 10. The push block 11 is a hemisphere structure, and the diameter of the push block 11 is matched with the inner diameter of the sampling tube main body 2. The push block 11 is attached to the inner wall of the sampling tube body 2.

The inside symmetry of fixed case 1 of sampling tube main part 2 both sides is fixed with a pair of mounting bracket 3, is fixed with the lead screw 4 that can pass certainly on the mounting bracket 3, and the axis of lead screw 4 is parallel with the axis of sampling tube main part 2, is equipped with screw 5 on the lead screw 4, and the top of mounting bracket 3 is fixed with servo motor 6, and servo motor 6 is connected with the one end transmission of lead screw 4, and servo motor 6 provides power for the rotation of lead screw 4. The screw nut 5 is fixedly connected with the outer side wall of the sampling tube body 2 at one side corresponding to the screw nut through a connecting plate 8. A guide rod 7 for guiding the screw 5 is integrally arranged on the mounting frame 3 at the other side of the screw 5.

For the convenience of sampling, the sampling port of the sampling tube main body 2 is a bevel port.

A rotating shaft 12 is fixed on the upper end face of a fixed box 1 on one side of a sampling tube main body 2, a rotating block 13 is assembled at the upper end of the rotating shaft 12, the rotating block 13 can rotate around the rotating shaft 12, a cavity is formed inside the rotating block 13, an opening is formed in one side wall of the rotating block 13, a clamping piece 15 is assembled inside the rotating block 13, one part of the clamping piece 15 is located in the cavity of the rotating block 13, the other part of the clamping piece 15 extends to the outside of the cavity of the rotating block 13, an integrated sliding plate 14 is arranged at one end, located inside the cavity of the rotating block 13, of the clamping piece 15, the sliding of the clamping piece 15 is guaranteed by the sliding plate 14, sliding grooves corresponding to the sliding plate 14 are respectively formed in the upper wall and the lower wall of the cavity of the rotating block 13, and the end face, located inside the cavity of the rotating block 13, of the clamping piece 15 is connected with the inner end face of the rotating block 13 through a supporting spring 16. The upper part of the sampling tube main body 2 is provided with a bayonet 17 matched with the clamping piece 15. When the supporting spring 16 is in a natural state, the clamping piece 15 can be clamped into the bayonet 17, and after the clamping piece 15 is pulled to compress the supporting spring 16 to the limit, the clamping piece 15 can come out of the bayonet 17 to cancel the limit of the sampling tube main body 2.

The working principle of the utility model is as follows:

a. when the device needs the during operation, at first with fixed box 11 laminating on ground layer surface, then open two servo motor 6 simultaneously, let two lead screws 4 rotate simultaneously and make screw 5 drive connecting plate 8 and the vertical downstream of sampling tube main part 2, insert in the rock stratum and accomodate the ground into sampling tube main part 2 in can accomplish and collect the ground up sampling tube main part 2

b. When the device need discharge the detection time with the ground that the collection was accomplished, at first the level pulling fastener 15 makes slide 14 compression supporting spring 16 shorten, then pulling turning block 13 rotates round axis of rotation 12 to with sampling tube main part 2 parallel and level, release fastener 15 at last, supporting spring 16 can promote slide 14 because of the elasticity of self and slide this moment, thereby promote fastener 15 and get into in bayonet 17, sampling tube main part 2 is spacing this moment, then rotate screw rod 10, make screw rod 10 drive the 11 rotatory limits of ejector pad and promote downwards and push out sampling tube main part 2 with the ground of collection outward can.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a ground sampling device which characterized in that: comprises a fixed box (1), the fixed box (1) is a closed box body, a sampling tube main body (2) penetrates through the whole fixed box (1) from top to bottom, the sampling tube main body (2) can slide up and down relative to the fixed box (1), a screw rod (10) is inserted into the sampling tube main body (2), a sampling opening is formed in the bottom of the sampling tube main body (2), a mounting plate (9) matched with the screw rod (10) is fixed on the upper portion inside the sampling tube main body (2), a push block (11) for pushing out soil samples inside the sampling tube main body (2) is fixed at the bottom of the screw rod (10), a pair of mounting frames (3) are symmetrically fixed inside the fixed box (1) on two sides of the sampling tube main body (2), a lead screw (4) capable of self-transmission is fixed on the mounting frames (3), the axis of the lead screw (4) is parallel to the axis of the sampling tube main body (2), a screw nut (5) is arranged on the lead screw (4), the top of mounting bracket (3) is fixed with servo motor (6), and servo motor (6) are connected with the one end transmission of lead screw (4), and servo motor (6) provide power for the rotation of lead screw (4), and screw (5) pass through connecting plate (8) fixed connection with sampling tube main part (2) lateral wall of one side that it corresponds.

2. The geotechnical sampling device according to claim 1, wherein: a limiting mechanism for limiting the sampling tube main body (2) is fixed on the upper end surface of the fixing box (1) on one side of the sampling tube main body (2), and a bayonet (17) matched with the limiting mechanism is arranged on the sampling tube main body (2).

3. The geotechnical sampling device according to claim 2, wherein: limiting mechanism includes axis of rotation (12), the upper end of axis of rotation (12) is equipped with turning block (13), turning block (13) can be around axis of rotation (12) rotation, the inside of turning block (13) is the cavity, one of them lateral wall opening of turning block (13), a fastener (15) is assembled in turning block (13), partly in the cavity of turning block (13) of fastener (15), partly outside the cavity of turning block (13) is extended to from the opening to the other part of fastener (15), fastener (15) are located the inside one end of turning block (13) cavity and are provided with integrative slide (14), connect through supporting spring (16) between the terminal surface that fastener (15) are located inside turning block (13) cavity and the interior terminal surface of relative turning block (13), fastener (15) can block in bayonet (17).

4. The geotechnical sampling device according to claim 1, wherein: a guide rod (7) for guiding the screw (5) is integrally arranged on the mounting rack (3) at the other side of the screw (5).

5. The geotechnical sampling device according to claim 1, wherein: a handle for rotating the screw rod (10) is fixed at the upper end of the screw rod (10).