CN217901279U - Sampling device for detecting soil pollution degree of underground water - Google Patents

Abstract

The utility model relates to a groundwater sample technical field just discloses a be used for groundwater soil pollution degree to detect and use sampling device, including mounting bracket and drill bit, its characterized in that: a plurality of connecting rods are rotatably arranged at the center of the bottom of the mounting rack, the bottommost part of each connecting rod is fixedly connected with a hollow tube, the drill bit is movably connected to the bottom of the hollow tube at the bottommost end, a telescopic rod is fixedly arranged on the drill bit, the telescopic rod sleeve is arranged in the hollow pipe, one end, far away from the drill bit, of the telescopic rod is fixedly connected with the inner wall of the hollow pipe, and the telescopic rod is provided with an elastic piece used for extending the drill bit. Through setting up the elastic component, when the drill bit drills to ground, drill bit and ground contact make the elastic component shrink, make sampling pipe and external isolated state to reach the clean state that makes the sampling pipe decline in-process, reduce the effect to measuring result's error.

Description

Sampling device for detecting soil pollution degree of underground water

Technical Field

The utility model relates to a groundwater sample technical field specifically is a be used for groundwater soil pollution degree to detect and use sampling device.

Background

At present, water in various states widely buried below the earth surface, which is called underground water, atmospheric precipitation is a main source of the underground water, the underground water can be divided into three types of upper-layer stagnant water, diving and artesian water according to different underground burying conditions, the underground water can be divided into air-entrained water, diving and confined water according to the burying conditions, pore water, fissure water and karst water according to the burying conditions, the underground water is an important component of water resources, and the underground water is one of important water sources of agricultural irrigation, industrial mines and cities due to stable water quantity and good water quality, and the polluted underground water in partial areas is seriously polluted due to rapid development of industry and improper treatment of domestic garbage, and the polluted underground water can bring serious damage to the health of human bodies.

Therefore, pollution monitoring of groundwater is required, in which groundwater to be monitored needs to be sampled using a sampler, and substances in groundwater may volatilize, react with air, etc. when the groundwater is sampled, thereby causing inaccurate measurement results.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a be used for groundwater soil pollution degree to detect and use sampling device to the material of the groundwater that mentions in solving above-mentioned background art can volatilize, react etc. with the air, thereby leads to the unsafe problem of measuring result.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for groundwater soil pollution degree to detect and use sampling device, includes mounting bracket and drill bit, mounting bracket bottom center department rotates and is provided with a plurality of connecting rod, the connecting rod bottom fixedly connected with hollow tube, drill bit swing joint is in the hollow tube bottom of lower extreme, the fixed telescopic link that is provided with on the drill bit, the telescopic link cover is established inside the hollow tube, just drill bit one end and hollow tube inner wall fixed connection are kept away from to the telescopic link, just be provided with the elastic component that is used for stretching out the drill bit on the telescopic link, the inside sampling mechanism that is used for collecting groundwater that is provided with of hollow tube, be provided with on the hollow tube and be used for sampling to accomplish the back with sampling mechanism confined canceling release mechanical system.

Preferably, the elastic component includes compression spring, the fixed support plectane that is provided with on the telescopic link, support plectane is located the telescopic link and is close to drill bit one end, just compression spring bottom and support plectane fixed connection, drill bit one end and hollow tube inner wall fixed connection department fixed connection are kept away from to compression spring upper end and telescopic link, just compression spring sets up with the telescopic link coaxial line, compression spring is located the hollow tube inside, through setting up compression spring and telescopic link to reach when descending the hollow tube to the groundwater layer, stretch out the effect to the hollow tube outside with the drill bit.

Preferably, sampling mechanism includes the sampling pipe, the sampling pipe slides and sets up inside the hollow core tube, sampling tube bottom and the peripheral sealing connection in supporting circular plate upper end, the laminating of sampling pipe outer wall and hollow core tube inner wall sets up, just hollow core tube one side is run through and has been seted up the sample connection, the sample connection is located sampling pipe upper end one side, sampling pipe upper end and telescopic link are kept away from drill bit one end and the laminating of hollow core tube inner wall fixed connection department, through setting up sampling pipe and sample connection to reach when compression spring stretches out the drill bit, the sampling pipe descends to exposing the sample connection, reach and collect groundwater into the inside effect of sampling pipe.

Preferably, canceling release mechanical system includes the release link, two reset tanks have been seted up in the hollow tube outside, two the reset tank is located the sampling pipe both sides respectively, two the reset tank upper end all rotates and is provided with the release link, two all fixedly on the turning point of release link be provided with reset gear, the sampling pipe is close to the equal vertical pinion rack that is provided with in release tank both sides, two reset gear meshes with the pinion rack that corresponds mutually, meshes with the pinion rack through setting up reset gear to reach when rising the hollow tube, inside drilling gets into the release tank with the extrusion of both sides release link, thereby reach and rise the sampling pipe to with sample connection dislocation state, reach the state that cuts off sampling pipe and external world.

Preferably, be provided with the water level inductor on the hollow tube outer wall, the water level inductor is located the telescopic link and keeps away from drill bit one end and hollow tube inner wall fixed connection department top, through setting up the water level inductor to reach the effect of convenient to use personnel operation.

Preferably, be provided with the motor on the mounting bracket, the output of motor runs through mounting bracket and connecting rod upper end fixed connection, and affiliated mounting bracket bottom four corners all is provided with flexible fixed column, thereby reaches the change and the dismantlement of the staff to the connecting rod of being convenient for through setting up the telescopic link.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this be used for groundwater soil pollution degree to detect and use sampling device through setting up compression spring, when the drill bit drills to ground, drill bit and ground contact make compression spring shrink, make sampling pipe and external isolated state in to reach the clean state that makes the sampling pipe decline in-process, reduce the effect to measuring result's error.

2. This be used for groundwater soil pollution degree to detect and use sampling device, through setting up the release link, when the drill bit is bored the ground through, compression spring stretches out the drill bit, the pinion rack that sampling pipe both sides set up drives reset gear and rotates, make the release link open, groundwater passes through the sample connection and gets into the hollow tube, collect and accomplish the back, make the hollow tube get into drilling once more inside, when the hollow tube gets into drilling inside, both sides release link is pressed into reset inslot portion in step, reset gear drives the pinion rack and rises, thereby reach and seal the sample connection, the inside water of sampling pipe and external isolated effect when reaching.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the hollow tube of the present invention;

fig. 3 is a schematic structural diagram of the reset mechanism and its peripheral components of the present invention.

In the figure: 1. a mounting frame; 2. a drill bit; 3. a connecting rod; 4. a hollow tube; 5. a telescopic rod; 6. a compression spring; 7. a supporting circular plate; 8. a sampling tube; 9. a sampling port; 10. a reset lever; 11. a reset groove; 12. a reset gear; 13. a toothed plate; 14. a water level sensor; 15. a motor; 16. an elastic member; 17. a sampling mechanism; 18. a reset mechanism; 19. a telescopic fixing column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3:

example 1: when taking a sample to groundwater, need be separated from the sampling pipe 8 with the external world and be disconnected, carry out the drilling to ground when the drill bit 2 is dark, drill bit 2 will support 7 telescopic links of plectane 5 shrink, make compression spring 6 press, make and support 7 drive sampling pipe 8 and move up, make 8 tops of sampling pipe be close to telescopic link 5 and 4 internal connections departments of hollow tube gradually, thereby reach when moving hollow tube 4, 8 relatively sealed sampling pipes, with external isolated effect, reach the clean state that makes 8 decline in-process of sampling pipe, reduce the effect to the error of measuring result.

Example 2: when drilling through ground at drill bit 2, when compression spring 6 stretches out drill bit 2, when drill bit 2 drove sampling pipe 8 and descends, pinion rack 13 that sampling pipe 8 both sides set up drives reset gear 12 and rotates, make release link 10 open, groundwater is when getting into hollow tube 4 through sampling port 9, collected by sampling pipe 8, collect and accomplish the back, the staff is through rising the connecting pipe, thereby make hollow tube 4 get into drilling once more inside, when hollow tube 4 gets into drilling inside, 10 synchronous quilt of both sides release link 10 are pressed into reset groove 11 inside, reset gear 12 drives pinion rack 13 and rises, thereby it is sealed with sampling port 9 to reach, the inside water of sampling pipe 8 and external isolated effect when reaching.

The water level sensors are all known prior art, and are not described herein.

The working principle is as follows: when sampling groundwater, the material in groundwater may volatilize, react with the air etc., thereby lead to the measuring result inaccurate, so when sampling groundwater, need carry out the wall processing with the external world to it, it is rotatory to drive connecting rod 3 through motor 15, connecting rod 3 makes when drill bit 2 is rotatory through hollow tube 4, drill bit 2 and ground contact, when drill bit 2 bore deeply to ground, drill bit 2 will support 7 telescopic link 5 shrinkages of plectane, make compression spring 6 press, make and support 7 drive sampling tube 8 and move up, make 8 tops of sampling tube be close to telescopic link 5 and 4 internal connections departments of hollow tube gradually, thereby reach when moving hollow tube 4, 8 relatively sealed sampling tubes, with external isolated effect, reach the clean state that makes 8 decline in-process of sampling tube, reduce the effect to the error of measuring result.

When the drill bit 2 is drilled through the ground, the drill bit 2 is in the groundwater, when compression spring 6 stretches out drill bit 2, when drill bit 2 drives sampling pipe 8 and descends, pinion rack 13 that sampling pipe 8 both sides set up drives reset gear 12 and rotates, make release link 10 open, when groundwater gets into hollow tube 4 through sampling port 9, collected by sampling pipe 8, after the collection is accomplished, the staff is through rising the connecting pipe, thereby make hollow tube 4 get into drilling inside once more, when hollow tube 4 gets into drilling inside, both sides release link 10 is pressed into reset groove 11 inside in step, reset gear 12 drives pinion rack 13 and rises, thereby reach and seal sampling port 9, water and external isolated effect inside sampling pipe 8 when reaching.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a be used for groundwater soil pollution degree to detect and use sampling device, includes mounting bracket (1) and drill bit (2), its characterized in that: the drill bit drilling device is characterized in that a plurality of connecting rods (3) are rotatably arranged at the center of the bottom of the mounting frame (1), the bottoms of the connecting rods (3) are fixedly connected with hollow tubes (4), drill bits (2) are movably connected to the bottoms of the hollow tubes (4) at the lowest ends, telescopic rods (5) are fixedly arranged on the drill bits (2), the telescopic rods (5) are sleeved inside the hollow tubes (4), one ends, far away from the drill bits (2), of the telescopic rods (5) are fixedly connected with the inner walls of the hollow tubes (4), and elastic pieces (16) used for extending the drill bits (2) are arranged on the telescopic rods (5);

the underground water sampling device is characterized in that a sampling mechanism (17) for collecting underground water is arranged inside the hollow pipe (4), and a resetting mechanism (18) for closing the sampling mechanism (17) after sampling is completed is arranged on the hollow pipe (4).

2. A sampling apparatus for groundwater soil contamination level detection as claimed in claim 1, wherein: elastic component (16) are including compression spring (6), the fixed supporting circular plate (7) that is provided with on telescopic link (5), supporting circular plate (7) are located telescopic link (5) and are close to drill bit (2) one end, just compression spring (6) bottom and supporting circular plate (7) fixed connection, drill bit (2) one end and hollow tube (4) inner wall fixed connection department fixed connection are kept away from with telescopic link (5) to compression spring (6) upper end, just compression spring (6) set up with telescopic link (5) coaxial line, compression spring (6) are located inside hollow tube (4).

3. A sampling apparatus for groundwater soil contamination level detection as claimed in claim 2, wherein: sampling mechanism (17) are including sampling pipe (8), sampling pipe (8) slide to set up inside hollow tube (4), sampling pipe (8) bottom and support plectane (7) upper end peripheral sealing connection, sampling pipe (8) outer wall and hollow tube (4) inner wall laminating set up, just hollow tube (4) one side is run through and has been seted up sample connection (9), sample connection (9) are located sampling pipe (8) upper end one side, sampling pipe (8) upper end and telescopic link (5) are kept away from drill bit (2) one end and hollow tube (4) inner wall fixed connection department laminating.

4. A sampling apparatus for groundwater soil contamination degree detection as claimed in claim 3, wherein: reset mechanism (18) are including release link (10), two reset groove (11), two have been seted up in hollow tube (4) outside reset groove (11) are located sampling pipe (8) both sides respectively, two reset groove (11) upper end all rotates and is provided with release link (10), two all fixedly on the turning point of release link (10) be provided with reset gear (12), sampling pipe (8) are close to the equal vertical pinion rack (13) that is provided with in reset groove (11) both sides, two reset gear (12) mesh with corresponding pinion rack (13).

5. A sampling apparatus for groundwater soil contamination level detection as claimed in claim 1, wherein: a water level sensor (14) is arranged on the outer wall of the hollow pipe (4), and the water level sensor (14) is positioned above the fixed connection position of one end of the telescopic rod (5) far away from the drill bit (2) and the inner wall of the hollow pipe (4).

6. A sampling apparatus for groundwater soil contamination level detection as claimed in claim 1, wherein: be provided with motor (15) on mounting bracket (1), the output of motor (15) runs through mounting bracket (1) and connecting rod (3) upper end fixed connection, and affiliated mounting bracket (1) bottom four corners all is provided with flexible fixed column (19).

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