CN213632821U

CN213632821U - Groundwater sampling device for hydrogeological survey

Info

Publication number: CN213632821U
Application number: CN202022655185.3U
Authority: CN
Inventors: 孙静; 郭道冉; 王彬; 高尚嵘
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-06
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a hydrogeology reconnaissance groundwater sampling device, including a plurality of water intaking section of thick bamboos, first screw thread post has been installed to the bottom of a water intaking section of thick bamboo, and threaded connection has the screwed pipe on the first screw thread post, and the bottom of screwed pipe is connected with the screw cap, and the port department of a water intaking section of thick bamboo is equipped with external screw thread and screw cap screw thread connection external screw thread, the built-in sealing ring that is equipped with of screw cap. Pull up the traction rod, the ball valve is opened, the atmospheric pressure is under the effect, the port of intaking through the ball valve absorbs water from the ball valve avris, then arrange to the section of thick bamboo of fetching water through the pipe that absorbs water, the ball valve is one-way ball valve, water gets into to the port of intaking that can only follow the ball valve, discharge from its port of exporting water, go up the handle pole in-process, upper groundwater can not get into the section of thick bamboo of fetching water, the guarantee is fetched water a section of thick bamboo in lower floor groundwater sample comparatively complete, send to chemical composition and examine time measuring, greatly reduced with the difference of actual chemical composition content.

Description

Groundwater sampling device for hydrogeological survey

Technical Field

The utility model belongs to the technical field of hydrogeology reconnaissance, concretely relates to groundwater sampling device is used in hydrogeology reconnaissance.

Background

Hydrogeological surveying is also known as hydrogeological surveying and refers to the research of hydrogeological surveys conducted to ascertain hydrogeological conditions of an area. Aims to master the cause, distribution and motion rule of underground water and surface water. The method provides a basis for reasonably exploiting and utilizing water resources and correctly designing and constructing foundations and piling projects. The method comprises two aspects of underground and above-ground hydrological exploration. The underground hydrological investigation is mainly to investigate and research the water level change, flow direction, chemical composition and other conditions of underground water at different periods of the whole year, find out the burying conditions and the corrosivity of the underground water, judge the possible changes and influences of the underground water in the construction and use stages of buildings and provide prevention and treatment suggestions.

Before underground water is sampled, a drilling opening needs to be drilled in a sampling area by a pile driver, the drilling opening needs to be covered by a cover plate, can prevent external impurities from entering a drill hole to pollute an underground water source, and samples through an underground water sampling device after standing for a period of time, the main body of the conventional underground water sampling device consists of a water taking barrel with an opening at the upper end and a hand lever, the lower end of the hand lever is welded at the inner lower end of the water taking barrel, when sampling, the water taking cylinder is required to be put into the drill hole, the hand lever is put down until the water taking cylinder enters the underground water and reaches the required water taking depth, because put down a water intaking section of thick bamboo and can down stroke upper groundwater aquatic medium to lower floor groundwater, the medium of stewing about 20 minutes, the medium of undershooting can be under self density effect the upper groundwater of returning again, can lift the handle bar this moment, can pull out the drill way on the water intaking section of thick bamboo through a water intaking section of thick bamboo, the weak point that exists is: go up and draw a water section of thick bamboo in-process, during upper groundwater got into a water section of thick bamboo easily in the drilling, and then when sampling lower floor's groundwater, can contain a large amount of upper groundwater media in the water sample, and then lead to when sending to chemical composition and examining, the testing result is big with the actual difference.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a groundwater sampling device is used in hydrogeology reconnaissance to solve the problem in the upper groundwater sample of easily intaking.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydrogeology reconnaissance is with groundwater sampling device, includes a plurality of cylinders of fetching water, a screw thread post has been installed to the bottom of the cylinder of fetching water, threaded connection has the screwed pipe on the screw thread post, the bottom of screwed pipe is connected with the screw thread lid, the port department of the cylinder of fetching water is equipped with external screw thread and screw thread lid screw thread connection external screw thread, the built-in sealing ring that is equipped with of screw thread lid, a cylinder of fetching water one side has been installed and has been inhaled the pipe and inhale a pipe intercommunication cylinder of fetching water, the port department of inhaling the pipe is connected with the ball valve, the valve handle of installing valve handle and all ball valves of valve rod department of ball valve is all rotated and is connected a traction lever, the blast pipe has been installed to the opposite side of the cylinder of fetching.

Preferably, the sealing ring is of a circular ring structure with a right-angled section.

Preferably, the water inlet port of the ball valve is provided with a net cover, the net cover is of a circular net cover structure, and the diameter of the net hole of the net cover is not more than one millimeter.

Preferably, the valve handle of the ball valve is provided with a connecting shaft at the most lateral side, and the draw bar is provided with a shaft hole corresponding to each connecting shaft and the connecting shaft penetrates through the shaft hole.

Preferably, the threaded pipe at the uppermost position is internally threaded with a second threaded column, and the top of the second threaded column is connected with a hand lever.

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

the utility model provides a hydrogeology reconnaissance groundwater sampling device, carry out vacuum treatment in the section of thick bamboo of fetching water in advance through the vacuum pump, when the section of thick bamboo of fetching water gets into and sets for the depth of water sampling, stop to transfer the handspike, and stand for 20 minutes, after standing, hold the handspike, and upwards pull the traction lever, pull up the traction lever, the valve handle of ball valve is upwards screwed, the ball valve is opened, under the atmospheric pressure, through the inlet port of ball valve from the ball valve avris water uptake, then discharge to the section of thick bamboo of fetching water through the suction pipe, the ball valve is one-way ball valve, water can only get into from the inlet port of ball valve, discharge from its outlet port, but can not get into from the outlet port of ball valve, discharge from the inlet port, pull up the handspike in-process, upper groundwater can not get into the section of fetching, guarantee that the groundwater sample of lower floor is comparatively complete in the section of fetching water, send to chemical composition detection time measuring, greatly reduced, the problem that the upper-layer underground water easily enters a water sample is solved.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view in partial cutaway of FIG. 1;

FIG. 3 is an enlarged view of a portion a of FIG. 2;

FIG. 4 is an enlarged view of the structure of FIG. 2 at b;

FIG. 5 is an enlarged view of the structure at c of FIG. 2;

fig. 6 is a left side view of fig. 1 taken along line a-a.

In the figure: the water taking device comprises a water taking barrel 1, a first threaded column 2, a threaded pipe 3, a threaded cover 4, an external thread 5, a sealing ring 6, a suction pipe 7, a ball valve 8, a net cover 9, a valve handle 10, a traction rod 11, a connecting shaft 12, an exhaust pipe 13, a check valve 14, a joint 15, a second threaded column 16, a hand lever 17 and a shaft hole 101.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, 2 and 3, a groundwater sampling device for hydrogeological exploration comprises three water taking cylinders 1, different numbers of water taking cylinders 1 are manufactured according to actual needs, the water taking cylinders 1 are of circular tube structures with openings at the upper ends and closed lower ends, a first threaded column 2 is arranged at the central position of the bottom of the water taking cylinder 1, the water taking cylinders 1 and the first threaded column 2 are cast into an integral piece, the materials are all stainless steel, a threaded pipe 3 is connected to the first threaded column 2 in a threaded manner, the threaded pipe 3 is of a circular tube structure, a threaded cover 4 is connected to the bottom of the threaded pipe 3, the threaded pipe 3 and the threaded cover 4 are cast into an integral piece, an external thread 5 is arranged at the upper end of the water taking cylinder 1, the external thread 5 is connected to the threaded cover 4 in a threaded manner, resin glue is uniformly coated on the outer edge of the upper end of the inner wall of the threaded cover 4, a sealing ring 6 is bonded to the sealing ring structure with a right-angle section through the resin, when the external screw thread 5 is locked by the screw cap 4, the screw cap 4 compresses the sealing ring 6 tightly at the upper port of the water taking cylinder 1, the sealing ring 6 is flexibly attached to the upper port of the water taking cylinder 1, so that the screw cap 4 and the upper port of the water taking cylinder 1 are matched to have good sealing performance, and when the water taking cylinder 1 is inserted into underground water, underground water is prevented from entering the water taking cylinder 1 through the matching gap between the screw cap 4 and the water taking cylinder 1.

Referring to fig. 1, 2 and 4, a suction pipe 7 is installed at the lower part of the right side of a water taking cylinder 1, the suction pipe 7 is communicated with the water taking cylinder 1, the water taking cylinder 1 and the suction pipe 7 are a fusion-cast integrated piece, the suction pipe 7 is in a right-angle pipe structure, an upper port of the suction pipe 7 is provided with an external thread, at least five layers of water blocking tapes are rolled on the external thread, the external thread locks an internal thread of a water outlet port of a ball valve 8, the ball valve 8 is a one-way ball valve, water can only enter from a water inlet port of the ball valve 8 and can be discharged from a water outlet port of the ball valve 8 but can not enter from the water outlet port of the ball valve 8 and can be discharged from the water inlet port, the ball valve 8 is DN15 in size, a mesh cover 9 is welded at the water inlet port of the ball valve 8, the mesh cover 9 is in a circular mesh structure, the mesh diameter of the mesh cover 9 is one millimeter, the mesh 9 is arranged, larger particle impurities in groundwater can, the valve handle 10 is arranged at the valve rod of the ball valve 8, the valve handles 10 of all the ball valves 8 are rotatably connected with a traction rod 11, the valve handles 10 of the ball valves 8 are installed on the ball valves 8 after leaving factories, the valve handles 10 are of square sheet structures, the connecting shafts 12 are welded at the positions of the rearmost sides of the valve handles 10 of the ball valves 8, the connecting shafts 12 are of round shaft structures, the lengths of the traction rods 11 can be selected and cut according to the number of the sampling cylinders 1, shaft holes 101 are formed in the positions, corresponding to the connecting shafts 12, of the traction rods 11, the connecting shafts 12 penetrate through the shaft holes 101 in a sliding mode, the right ends of the connecting shafts 12 are riveted through a riveting machine to be flat, the traction rods 11 are limited to be separated from the shaft holes 101, the traction rods 11 are pulled upwards, the valve handles 10 of the ball valves 8 are screwed upwards, the ball valves 8 are opened, water is sucked from the sides of.

Referring to fig. 1, 2 and 5, an exhaust pipe 13 is arranged at the lower part of the left side of a water taking cylinder 1, the water taking cylinder 1 and the exhaust pipe 13 are a fusion-cast integrated piece, the water taking cylinder 1 and the exhaust pipe 13 are communicated with each other, an external thread is arranged at the port of the exhaust pipe 13, at least five layers of water plugging adhesive tapes are rolled on the external thread, the external thread is screwed into an air inlet port of a check valve 14, a joint 15 is welded at the air inlet port of the check valve 14 in a seamless manner, the type of the check valve 14 is ZHF001, the type of the joint 15 is KF16, the joint 15 is used for connecting an air suction pipe head of a vacuum pump, the type of the vacuum pump is SHZ-D, the vacuum pump operates, air is sucked from the water taking cylinder 1 through the exhaust pipe 13, then is discharged into the vacuum pump through the check valve 14 and the joint 15 until the water taking cylinder 1 is in a vacuum state, the, vacuum environment is broken in the section of thick bamboo 1 of fetching water, and under the atmospheric pressure effect, outside groundwater can get into fast in the section of thick bamboo 1 of fetching water, and 3 threaded connection of screwed pipe of uppermost position have second screw post 16, and the welding of the top of second screw post 16 has hand lever 17, and the length of hand lever 17 can be according to the degree of depth setting of drill way, and when second screw post 16 locked in the screwed pipe 3 of uppermost side, can be in the same place hand lever 17 and the threaded cap 4 stable connection of uppermost side.

When the water taking device is used, the connector 15 is connected with a gas suction pipe head of a vacuum pump, the thread cover 4 locks the external thread 5 at the moment, the thread cover 4 presses the sealing ring 6 on the upper port of the water taking cylinder 1, the sealing ring 6 is flexibly attached to the upper port of the water taking cylinder 1, so that the thread cover 4 and the upper port of the water taking cylinder 1 are matched to have good sealing performance, the vacuum pump runs, gas is sucked from the water taking cylinder 1 through the exhaust pipe 13, then the gas is discharged into the vacuum pump through the one-way valve 14 and the connector 15 until the water taking cylinder 1 is in a vacuum state, the vacuum pump is closed, the pipe head at the gas suction end of the vacuum pump is pulled out of the connector 15, the hand rod 17 and the traction rod 11 are respectively held by two hands, the water taking cylinder 1 is put in from the upper port of a drill until the water taking cylinder 1 enters a set water sampling depth, the hand rod 17 stops being put down and stands for 20 minutes, the hand rod 17 is held after standing, the valve handle 10 of ball valve 8 is upwards screwed, ball valve 8 is opened, under the atmospheric pressure effect, the port of intaking through ball valve 8 absorbs water from 8 avris of ball valve, then arrange to a section of thick bamboo 1 of fetching water through the pipe 7 that absorbs water, ball valve 8 is one-way ball valve, water is to the port of intaking that can only follow ball valve 8 entering, discharge from its outlet port, and can not get into from 8 outlet port of ball valve, discharge from the port of intaking, go up handle bar 17 in-process, upper groundwater can not get into a section of thick bamboo 1 of fetching water, guarantee that the groundwater sample of lower floor is comparatively complete in the section of thick bamboo 1 of fetching water, send to chemical composition and examine time measuring, greatly reduced with the difference of actual chemical composition content.

When the groundwater in the water taking barrel 1 is taken out, the threaded cover 4 is only required to be rotated, so that the threaded cover 4 is screwed out of the external thread 5, and a water sample can be poured out from the upper port of the water taking barrel 1.

Claims

1. The utility model provides a groundwater sampling device for hydrogeological survey, includes a plurality of barrels of fetching water (1), its characterized in that: first screw thread post (2) have been installed to the bottom of a section of thick bamboo of fetching water (1), threaded connection has screwed pipe (3) on first screw thread post (2), the bottom of screwed pipe (3) is connected with screw cap (4), the port department of a section of thick bamboo of fetching water (1) is equipped with external screw thread (5) and screw cap (4) threaded connection external screw thread (5), built-in sealing ring (6) that is equipped with of screw cap (4), a section of thick bamboo of fetching water (1) one side has been installed suction tube (7) and suction tube (7) intercommunication and has been fetched water a section of thick bamboo (1), the port department of suction tube (7) is connected with ball valve (8), valve rod department of ball valve (8) has been installed valve handle (10) and all ball valve handle (8) and has all rotated traction lever (10) and is connected (11), blast pipe (13) have been installed to the opposite side of a section of thick bamboo of fetching water (1), the port department of blast pipe (13) has been installed check valve ).

2. The device of claim 1, wherein the device comprises: the sealing ring (6) is of a circular ring structure with a right-angled section.

3. The device of claim 1, wherein the device comprises: the water inlet port of the ball valve (8) is provided with a net cover (9), the net cover (9) is of a circular net cover structure, and the diameter of the net hole of the net cover (9) is not more than one millimeter.

4. The device of claim 3, wherein the device comprises: connecting shafts (12) are arranged on the most lateral sides of valve handles (10) of the ball valves (8), shaft holes (101) are formed in the positions, corresponding to the connecting shafts (12), of the traction rods (11), and the connecting shafts (12) penetrate through the shaft holes (101).

5. The device of claim 1, wherein the device comprises: the threaded pipe (3) at the uppermost position is connected with a second threaded column (16) in a threaded manner, and the top of the second threaded column (16) is connected with a hand lever (17).