CN216410711U

CN216410711U - Hydrogeology sampling device

Info

Publication number: CN216410711U
Application number: CN202121884476.8U
Authority: CN
Inventors: 金鑫; 金彦香; 毛旭锋
Original assignee: Qinghai Normal University
Current assignee: Qinghai Normal University
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-04-29
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a hydrogeological sampling device, which comprises a telescopic arm with a driving part and a sampling part connected with the telescopic arm through a lifting rope, wherein: the telescopic arm is horizontally arranged and can be driven by the driving part to horizontally stretch; the lifting rope is movably connected to the telescopic arm through one end of the lifting rope; the sampling part comprises a sampling main body with a cavity and a telescopic rotating head arranged in the cavity, a plurality of circulation holes are formed in the inner wall surface of the cavity, a sample cavity communicated with the circulation holes is further formed in the main body, a pluggable cover body is arranged at the lower part of the sample cavity, a water delivery pipe is further extended into the sample cavity, and the water delivery pipe is surrounded on a lifting rope. The utility model has strong practicability and functionality and can be widely applied to the technical field of hydrogeology.

Description

Hydrogeology sampling device

Technical Field

The utility model relates to the technical field of hydrogeology, in particular to a hydrogeology sampling device.

Background

Hydrology sampling device among the prior art is mechanical sampling structure generally, and the concrete operation is: the driving device is used for driving the sampling component to move, and when the sampling component reaches a sampling position, the sampling function is realized. However, the hydrological sampling device in the prior art has the disadvantages that the position movement in the horizontal direction cannot be realized, and the complete taking out of the sample after sampling cannot be achieved.

Therefore, a device capable of overcoming the above-mentioned drawbacks is yet to be proposed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a hydrogeological sampling device which can realize position movement in the horizontal direction and is convenient for taking out a sample.

The technical scheme provided by the utility model is as follows:

the hydrogeological sampling device comprises a telescopic arm with a driving part, and a sampling part connected with the telescopic arm through a lifting rope, wherein:

the telescopic arm is horizontally arranged and can be driven by the driving part to horizontally stretch; the lifting rope is movably connected to the telescopic arm through one end of the lifting rope;

the sampling part comprises a sampling main body with a cavity and a telescopic rotating head arranged in the cavity, a plurality of circulation holes are formed in the inner wall surface of the cavity, a sample cavity communicated with the circulation holes is further formed in the main body, a pluggable cover body is arranged at the lower part of the sample cavity, a water delivery pipe is further extended into the sample cavity, and the water delivery pipe is surrounded on a lifting rope.

Furthermore, the driving part comprises a driving motor, the telescopic arm comprises a lead screw which is connected with the motor in an axial mode, and a support frame is arranged at the lower portion of the motor;

the lifting rope is connected with the free end of the lead screw through a lifting ring, and the lifting ring is fixedly connected to the lead screw through the side part of the lifting ring.

Further, the lifting rope lower extreme is connected with a protective housing that has the cavity, the rotating head includes a rotating electrical machines, drilling rod, a drill bit is still connected to the drilling rod lower extreme, wherein:

the rotary motor is positioned in the protective shell, and the upper end of the drill rod sequentially penetrates through the main body and the protective shell and then is coupled with the rotary motor;

a plurality of blades which are arranged at intervals are arranged on the drill rod and close to the lower end, and the flow hole extends on the main body in an inclined downward mode.

Further, the main body is of a cylindrical structure, the sample cavity and the cavity are concentrically arranged in the main body, and the sample cavity is close to the edge of the main body;

the protective shell is fixedly connected to the upper end of the main body, and the water delivery pipe extends into the sample cavity from the upper end of the main body and is fixed at a preset position in the main body; the upper end of the water conveying pipe is connected with a water storage tank, the water storage tank is arranged on the support frame, and a manual valve is arranged on the water conveying pipe.

Furthermore, the blade is respectively provided with a near end and a far end, the near end is connected with the drill rod, the far end is provided with a tip, and the tip is at a preset distance from the inner wall surface of the cavity;

the lower end face of the main body is a plane, and a smooth layer is further arranged on the outer wall face of the main body.

Furthermore, the support frame comprises a plurality of telescopic supporting legs and a supporting plate fixedly connected to the upper ends of the supporting legs, and the motor is fixedly connected to the supporting plate through a motor support; the rotary motor is a micro motor, and the drill bit is of a conical structure.

Furthermore, a plurality of binding belts for binding the water delivery pipe are arranged on the lifting rope.

Compared with the prior art, the utility model has the advantages that:

by providing a structure with a telescopic arm, a driving part and a lifting rope, the function of moving the sampling part in the horizontal direction is realized, and the device is convenient to apply to different use environments;

by providing the sampling part with the water conveying pipe, the purpose of conveniently and completely taking out the sample from the soil body is achieved, the maintenance procedures of the sampling part in the later period are reduced, and the practicability is high;

through set up a telescopic rotating head in the main part to reached the purpose that conveniently takes a sample to the co-altitude position of difference, practicality and functional strong.

Drawings

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

FIG. 2 is a first block diagram of a sampling unit according to an embodiment of the present invention;

FIG. 3 is a second structural view of a sampling part in the embodiment of the present invention;

FIG. 4 is a third structural view of a sampling part in the embodiment of the present invention;

fig. 5 is a sectional view a-a of fig. 4 in an embodiment of the present invention.

Detailed Description

The present invention is described in further detail below with reference to figures 1-5.

The utility model provides a hydrogeology sampling device, includes the flexible arm 1 that has the drive division, through the sample portion that a lifting rope 2 is connected with flexible arm 1, wherein:

the telescopic arm 1 is horizontally arranged and can be driven by the driving part to horizontally stretch; the lifting rope 2 is movably connected to the telescopic arm 1 through one end thereof;

the sampling part comprises a sampling main body 3 with a cavity 4 and a telescopic rotating head arranged in the cavity 4, wherein a plurality of circulation holes 5 are arranged on the inner wall surface of the cavity 4, a sample cavity 6 communicated with the circulation holes 5 is also arranged in the main body 3, the lower part of the sample cavity 6 is provided with a pluggable cover body, a water pipe 8 is also stretched into the sample cavity 6, and the water pipe 8 is surrounded on the lifting rope 2.

The sampling process by using the device comprises the following implementation processes:

1) place this device in the suitable position of treating the sample, start the rotating head, utilize drive division to drive flexible arm 1 and stretch out, and drive the lifting rope 2 motion rather than being connected, lifting rope 2 drives the sample division downstream rather than being connected, when arriving appointed sample position, utilize the rotating head rotation to carry out the breakage with the soil body of appointed position, and make soil after the breakage in-process at broken rotatory in-process get into sample chamber 6 via circulation hole 5, the purpose of sample has been reached then, utilize the withdrawal of flexible arm 1 to withdraw sample division, the purpose of sample has been reached then. Finally, because the water conveying pipe 8 is arranged in the sample cavity 6, the water conveying pipe 8 conveys water sources into the sample cavity 6 and the cover body is pulled out, the purpose of bringing the sample to the outside to the maximum extent by utilizing the flow of water is achieved, and the problem that the sample taken out in the prior art cannot be completely poured out of the sample cavity 6 due to reasons such as adhesion and the like is solved.

In this process, owing to set up the flexible arm 1 of horizontal formula, when needing the sample, stretch out flexible arm 1 level earlier to take a sample to the assigned position, then transfer lifting rope 2, utilize lifting rope 2 sample portion to take to the assigned position, through starting sample portion, utilize the rotating head to stir the soil body, make soil deliver to in the sample chamber 6 via circulation hole 5 afterwards. Then, in order to realize the purpose of manually controlling the movement track of the lifting rope 2, one end of the lifting rope 2 penetrates through the lifting ring and then extends to the position of the near end of the telescopic arm 1, so that the function of manually lowering the lifting rope 2 is realized.

The driving part comprises a driving motor 9, the telescopic arm 1 comprises a lead screw which is connected with the motor 9 in an axial mode, and a support frame 10 is arranged on the lower portion of the motor 9;

the lifting rope 2 is connected with the free end of the screw rod through a lifting ring, and the lifting ring is fixedly connected on the screw rod through the side part of the lifting ring.

Through setting up a support frame 10, place motor 9 on support frame 10, when needs sample, utilize motor 9 to drive the lead screw motion, thereby drive lifting rope 2 level forward, then, through lifting rope 2 handheld end and descend it under the action of gravity of sample portion, when sample portion moves to the assigned position, start the rotating head, rotate the breakage to the soil body, then realize the function of taking out of soil through circulation hole 5, and finally, handheld lifting rope 2, drive sample portion and realize the recovery function of sample, utilize opening of lid and utilize raceway 8 to realize the function of taking out the sample, practicality and functional strong.

The lower extreme of lifting rope 2 is connected with a protective housing 11 that has the cavity, and the rotating head includes a rotating electrical machines 12, drilling rod 13, and a drill bit 14 is still connected to drilling rod 13 lower extreme, wherein:

the rotary motor 12 is positioned in the protective shell 11, and the upper end of the drill rod 13 sequentially penetrates through the main body 3 and the protective shell 11 and then is coupled with the rotary motor 12;

the drill rod 13 is provided with a number of blades 15 arranged at intervals near the lower end, and the flow openings 5 extend in an obliquely downward manner in the body 3.

After the rotating head enters the sampling soil body, the drill bit 14 is exposed outside the main body 3, and in the process of rotating under the driving of the rotating motor 12, the drill rod 13 is provided with the blade 15, so that the drill bit can rotate synchronously, soil in the sampling hole is broken and enters the sample cavity 6 through the circulation hole 5 under the action of inertia, the purpose of sampling is achieved, the obtained sample is stored in the sample cavity 6 and is taken out of the part where the soil body is located along with the lifting rope 2. In order to realize the sampling function of the drill rod 13 at different heights, the drill rod 13 is set to be a screw rod structure driven by the rotating motor 12, so that the purpose of sampling in different height directions is achieved, the device is convenient to use, and the flexibility is strong.

The main body 3 is of a cylindrical structure, the sample cavity 6 and the cavity 4 are concentrically arranged in the main body 3, and the sample cavity 6 is close to the edge of the main body 3;

the protective shell 11 is fixedly connected to the upper end of the main body 3, and the water delivery pipe 8 extends into the sample cavity 6 from the upper end of the main body 3 and is fixed at a preset position in the main body 3; the upper end of the water pipe 8 is connected with a water storage tank 16, the water storage tank 16 is arranged on the support frame 10, and the water pipe 8 is provided with a manual valve 17.

When the soil sample in the sample cavity 6 needs to be poured out, the manual valve 17 is opened, so that the water in the water storage tank 16 is sent to the sample cavity 6 through the water conveying pipe 8, the soil adhered to the sample cavity 6 is taken out by utilizing the water flow effect, and the purpose of fully pouring out the obtained sample is achieved.

The blade 15 is respectively provided with a near end and a far end, the near end is connected with the drill rod 13, the far end is provided with a tip end, and the tip end and the inner wall surface of the cavity 4 form a preset distance;

the lower end surface of the main body 3 is a plane, and the outer wall surface of the main body 3 is also provided with a smooth layer.

In order to fully expose the drill bit 14 and to perform the stirring by the blade 15, the main body 3 is configured with a cavity completely accommodating the drill rod 13, so that the movement of the blade 15 is used to move the soil, thereby realizing the sampling function.

The support frame 10 comprises a plurality of telescopic supporting legs 10.1 and a support plate 10.2 fixedly connected to the upper ends of the supporting legs 10.1, and the motor 9 is fixedly connected to the support plate 10.2 through a motor support; the rotating motor is a micro motor, and the drill bit is of a conical structure.

The lifting rope 2 is provided with a plurality of binding belts 18 for binding the water delivery pipe 8.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The hydrogeological sampling device is characterized by comprising a telescopic arm with a driving part, and a sampling part connected with the telescopic arm through a lifting rope, wherein:

2. The hydrogeological sampling apparatus of claim 1 wherein the drive means comprises a drive motor, the telescoping arm comprises a lead screw journaled on the motor, and a support is provided below the motor;

3. A hydrogeological sampling apparatus as defined in claim 2 wherein the lower end of said lifting rope is connected to a protective housing having a cavity, said rotary head comprising a rotary motor, drill string, said drill string further connected at its lower end to a drill bit, wherein:

4. A hydrogeological sampling device as defined in claim 3 wherein the body is configured as a cylindrical structure, the sample chamber and the cavity are concentrically disposed within the body, and the sample chamber is located near the edge of the body;

5. The hydrogeological sampling device of claim 4 wherein the blades each have a proximal end and a distal end, the proximal ends being connected to the drill stem and the distal ends having tips at a predetermined distance from the inner wall of the cavity;

6. The hydrogeological sampling device of claim 5, wherein the support frame comprises a plurality of telescopic legs and a support plate fixedly connected to the upper ends of the legs, and the motor is fixedly connected to the support plate through a motor support; the rotary motor is a micro motor, and the drill bit is of a conical structure.

7. The hydrogeological sampling device of any of claims 1-6 wherein the lifting rope is provided with a plurality of ties for tying the water pipe.