CN212007974U

CN212007974U - Underground water sampling device for hydrogeology and engineering geology

Info

Publication number: CN212007974U
Application number: CN202020836771.5U
Authority: CN
Inventors: 王站付; 王旺盛; 杨晓磊; 金海洋; 黄璐璐; 徐春花
Original assignee: SHANGHAI AGRICULTURAL TECHNOLOGY PROMOTION SERVICE CENTER
Current assignee: SHANGHAI AGRICULTURAL TECHNOLOGY PROMOTION SERVICE CENTER
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-11-24
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a groundwater sampling device for hydrogeology, engineering geology, including the drilling rod, the header tank, drain pipe and aspiration pump, the drilling rod top is provided with fixed fixture block, the aspiration pump sets up in drilling rod upper end lateral wall, the drilling rod lateral wall is provided with the screw thread below and is the point form, the point form is inside to be provided with the cavity, the cavity lateral wall is the metal filter, the header tank sets up in the inside lower extreme of drilling rod, the header tank lower extreme is provided with the suction pipe, the cavity upper wall is provided with the through-hole corresponding with the suction pipe, the suction pipe passes the through-hole and stretches into the cavity, the header tank upper end is provided with the breathing pipe, the breathing pipe lower extreme is connected with the header tank, the upper end is connected with the aspiration pump, drain pipe one end stretches into the header tank inside, one end stretches out the drilling rod outside on the drilling rod, the drilling rod lateral, the lower end of the side wall of the cover body is fixedly connected with the chock block.

Description

Underground water sampling device for hydrogeology and engineering geology

Technical Field

The utility model relates to a groundwater sampling device field specifically is a groundwater sampling device for hydrogeology, engineering geology.

Background

Underground water is an important water resource in China, and is particularly suitable for coastal cities, inland cities and big and medium cities in the north. However, with the rapid increase of water demand for industrial and agricultural production and living, the discharge amount of sewage increases year by year, so that the situation of groundwater depletion and pollution in China becomes more severe. Then, reasonable development, improvement of utilization efficiency and optimization of groundwater quality become important for green sustainable development of ecological economy in China. Where long-term scientific monitoring and chemical analysis of groundwater is an essential important basis for achieving this goal.

Disclosed in patent publication "CN 201721117632.1," groundwater sampling device ", is a groundwater sampling device characterized in that: comprises a filter pipe, a water pumping hose, a water pump, a bracket, a shunt box, a sampling bottle and a storage box, wherein the water inlet end of the filter pipe is provided with a filter screen, the water outlet end of the filter pipe is connected with the water pumping hose, the water inlet end of the water pump is provided with a water inlet hard pipe, the water outlet end of the water pump is provided with a water outlet hard pipe, the water pumping hose is detachably connected with the water inlet hard pipe, the bracket comprises a base, a supporting column and a supporting plate, four corners of the lower end surface of the base are provided with universal wheels with brakes, the upper end surface of the base is fixedly provided with the storage box, four corners of the upper end surface of the base are provided with the supporting column, the top end of the supporting column is provided with the supporting plate, the supporting plate is fixedly penetrated with an inverted L-shaped sampling water inlet pipe, the water outlet end of the sampling water, the utility model discloses a sampling device, including flow distribution box, sampling bottle, sampling hard tube, spring leather tube, shunt box lower extreme intercommunication is connected with a plurality of elasticity leather tubes, the flow distribution box is located directly over the backup pad, a plurality of sampling bottles have been placed in the backup pad, be provided with the kind hard tube on the sampling bottle, kind hard tube upper end cover is in the spring leather tube, be equipped with the valve on the spring leather tube. "

It is also a device for groundwater sampling, but the device is complex in structure, not easy to assemble, not easy to operate, and can be used after drilling a borehole.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a groundwater sampling device for hydrogeology, engineering geology that simple structure, effect are obvious.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a groundwater sampling device for hydrogeology and engineering geology comprises a drill rod, a water collecting tank, a drain pipe and an air pump, wherein a fixed clamping block is arranged above the drill rod, the air pump is arranged on the side wall of the upper end of the drill rod, the side wall of the upper end of the drill rod is provided with threads, the side wall of the lower end of the drill rod is provided with an embedded water level alarm, the square shape of the lower end of the drill rod is pointed, a cavity is arranged in the pointed shape, the side wall of the cavity is a metal filtering plate, the water collecting tank is arranged at the lower end of the interior of the drill rod, the lower end of the water collecting tank is fixedly connected with the upper end of the cavity, the lower end of the water collecting tank is provided with a water suction pipe, the upper wall of the cavity is provided with a through hole corresponding to the water suction pipe, the water suction pipe penetrates through the through hole and extends, the sealing cover comprises a cover body and a plug block matched with the water drainage pipe, the upper end of the side wall of the cover body is movably connected with the drill rod through a connecting device, and the lower end of the side wall of the cover body is fixedly connected with the plug block.

For making connecting device simple structure, effect obvious, the utility model discloses an improvement has, and connecting device includes fixed block and inserted bar, and the number of fixed block is 2, and all fixes and set up in the drilling rod lateral wall, and the distance between two fixed blocks is corresponding with the lid, and the homonymy level is provided with on the fixed block with the first fixing hole of inserted bar assorted, lid upper end level be provided with inserted bar assorted second fixing hole, the inserted bar passes first fixing hole and second fixing hole swing joint drilling rod and lid.

In order to make the drain pipe leak-proof, the utility model has the improvement that the side wall of the chock block is provided with a sealing ring.

For the convenience to know the inside water level condition of header tank, the utility model discloses an improvement has, and the header tank inner wall is provided with the water level inductor.

For the discharge of the convenient header tank normal water, the utility model discloses an improvement has, the mode of taking out of header tank normal water is for the water pumper passes through the drain pipe extraction.

In order to make the water pump work better, the utility model has the improvement that the water pumping end of the water pump is provided with a water pumping pipe matched with a water drainage pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a groundwater sampling device for hydrogeology, engineering geology possesses following beneficial effect: a groundwater sampling device for hydrogeology and engineering geology comprises a drill rod, a water collecting tank, a drain pipe and an air pump, wherein a fixed clamping block is arranged above the drill rod, the air pump is arranged on the side wall of the upper end of the drill rod, the side wall of the drill rod is provided with threads, the side wall of the lower end of the drill rod is provided with an embedded water level alarm, a user can know whether the drill rod contacts water to be sampled or not, the square lower end of the drill rod is pointed to facilitate the drill rod to extend into the ground, a cavity is arranged inside the pointed to be provided with a cavity, the side wall of the cavity is a metal filter plate for filtering silt in groundwater, the water collecting tank is arranged at the lower end inside the drill rod, the lower end of the water collecting tank is fixedly connected with the upper end of the cavity, the lower end of the water collecting tank is provided with a water suction pipe, the lower end of the air suction pipe is connected with the water collecting tank, the upper end of the air suction pipe is connected with the air suction pump, air in the water collecting tank is discharged, a certain pressure difference is formed between the inside and the outside of the water collecting tank, namely the water collecting tank can suck water in a cavity more easily, one end of the water discharge pipe extends into the water collecting tank, the other end of the water discharge pipe extends out of the drill rod at the upper end of the drill rod, water in the water collecting tank can be taken out conveniently, a sealing cover is arranged at a position, corresponding to the water discharge pipe, of the side wall of the drill rod and comprises a cover body and a plug block matched with the water discharge pipe, the upper end of the. Connecting device includes fixed block and inserted bar, the number of fixed block is 2, and all fix and set up in the drilling rod lateral wall, distance between two fixed blocks is corresponding with the lid, equal level be provided with the first fixing hole of inserted bar assorted on the fixed block, lid upper end level be provided with inserted bar assorted second fixing hole, the inserted bar passes first fixing hole and second fixing hole swing joint drilling rod and lid, make connecting device simple structure, the effect is obvious, the header tank inner wall is provided with the water level inductor, conveniently know the inside water level condition of header tank. The water in the water collecting tank is taken out by the water pump through the drain pipe, so that the water in the water collecting tank can be conveniently discharged. The pumping end of the water pump is provided with a pumping pipe matched with the drainage pipe, so that the water pump can work better.

Drawings

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

FIG. 2 is a schematic view of the structure at A shown in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure shown at B in FIG. 1 according to the present invention;

fig. 4 is a schematic side view of the present invention;

fig. 5 is a schematic view of a portion of the structure shown in fig. 4 according to the present invention.

In the figure: 1. a drill stem; 2. fixing the fixture block; 3. an air pump; 4. a water collection tank; 5. an air intake duct; 6. a suction pipe; 7. a cavity; 8. a metal filter plate; 9. a drain pipe; 10. a water level sensor; 11. a cover body; 12. a chock block; 13. a fixed block; 14. inserting a rod; 15. a first fixing through hole; 16. a second fixing through hole; 17. a water level alarm.

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.

Referring to fig. 1-5, the utility model discloses a groundwater sampling device for hydrogeology and engineering geology, including drilling rod 1, water collection tank 4, drain pipe 9 and air pump 3, drilling rod 1 is provided with fixed fixture block 2 above, air pump 3 is arranged on the upper end lateral wall of drilling rod 1, the drilling rod 1 lateral wall is provided with screw thread, the drilling rod 1 lower extreme lateral wall is provided with embedded water level alarm 17, the drilling rod 1 square down is sharp, the interior of sharp is provided with cavity 7, the cavity 7 lateral wall is metal filter plate 8, water collection tank 4 is arranged at the lower extreme of the interior of drilling rod 1, the water collection tank 4 lower extreme is connected with the cavity 7 upper end fastening, water collection tank 4 lower extreme is provided with suction pipe 6, the cavity 7 upper wall is provided with the through-hole corresponding to suction pipe 6, suction pipe 6 passes through the through-hole and stretches into cavity 7, water collection tank 4 upper end is provided with breathing, the upper end is connected with aspiration pump 3, and inside drain pipe 9 one end stretched into header tank 4, one end stretched out drill pipe 1 outside in drill pipe 1 upper end, and drill pipe 1 lateral wall is provided with sealed lid with the corresponding position of drain pipe 9, sealed lid including lid 11 and with drain pipe 9 assorted chock 12, lid 11 lateral wall upper end through connecting device and drill pipe 1 swing joint, lid 11 lateral wall lower extreme and chock 12 fastening connection.

To sum up, the groundwater sampling device for hydrogeology and engineering geology is characterized in that when the device is used, the device is fixedly arranged on drilling equipment such as a drilling truck through a fixing fixture block 2, after the device is installed, a sealing cover is opened, in the embodiment, a connecting device between the sealing cover and a drill rod 1 comprises fixing blocks 13 and insertion rods 14, the number of the fixing blocks 13 is 2, the fixing blocks 13 are fixedly arranged on the side wall of the drill rod 1, the distance between the two fixing blocks 13 corresponds to the cover body 11, first fixing through holes 15 matched with the insertion rods 14 are horizontally arranged on the fixing blocks 13, second fixing through holes 16 matched with the insertion rods 14 are horizontally arranged at the upper end of the cover body 11, the insertion rods 14 penetrate through the first fixing through holes 15 and the second fixing through holes 16 to movably connect the drill rod 1 and the cover body 11, so that the connecting device is simple in structure and obvious in effect, and other devices can be adopted, after the sealing cover is opened, the drill 1 is inserted into the corresponding ground, the drilling equipment is opened to enable the drill rod 1 to rotate so as to be inserted into the ground, the side wall of the drill rod 1 is provided with threads, the shape of the lower end of the drill rod is pointed, so that the drill rod 1 can more easily extend into the ground, the water level alarm 17 gives an alarm after touching water, the drilling equipment is closed after the alarm is given so that the drill rod 1 is not inserted deeply, the water level alarm 17 is communicated with a power supply of the drilling equipment to enable the drilling equipment to normally work, whether the water in the water collecting tank 4 reaches the corresponding position is observed, in the embodiment, the inner wall of the water collecting tank 4 is provided with a water level sensor 10 to facilitate observing the water level, the water level sensor 10 is also communicated with the power supply of the drilling equipment so as to ensure the normal work of the drilling equipment, if the water reaches the corresponding position, the water in the water collecting, the pumping end of the water pump is provided with a pumping pipe matched with the water drainage pipe 9, so that sampling water can be rapidly and conveniently pumped out, in other embodiments, other pumping modes can be adopted, if water in the water collection tank 4 does not reach a corresponding position, the sealing cover is closed, the plug block 12 is plugged into the water drainage pipe 9, in the embodiment, the side wall of the plug block 12 is provided with a sealing ring, so that the water drainage pipe 9 is sealed more tightly, after the sealing cover is closed, the air pump 3 is opened to pump gas in the water collection tank 4, a certain pressure difference is formed between the inside and the outside of the water collection tank 4, water enters the water collection tank 4, after the water reaches the corresponding position, the air pump 3 is closed, and the sealing cover is opened to pump the.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. A groundwater sampling device for hydrogeology and engineering geology is characterized by comprising a drill rod (1), a water collection tank (4), a drain pipe (9) and an air pump (3), wherein a fixed clamping block (2) is arranged above the drill rod (1), the air pump (3) is arranged on the side wall of the upper end of the drill rod (1), the side wall of the drill rod (1) is provided with threads, the side wall of the lower end of the drill rod (1) is provided with an embedded water level alarm (17), the lower square of the drill rod (1) is pointed, a cavity (7) is arranged in the pointed shape, the side wall of the cavity (7) is a metal filter plate (8), the water collection tank (4) is arranged at the lower end of the interior of the drill rod (1), the lower end of the water collection tank (4) is fixedly connected with the upper end of the cavity (7), the lower end of the water collection tank (4) is provided with a water suction, suction pipe (6) pass the through-hole and stretch into cavity (7), and header tank (4) upper end is provided with breathing pipe (5), breathing pipe (5) lower extreme is connected with header tank (4), the upper end with aspiration pump (3) are connected, inside drain pipe (9) one end stretches into header tank (4), and one end stretches out drilling rod (1) outside in drilling rod (1) upper end, and drilling rod (1) lateral wall is provided with sealed lid with drain pipe (9) corresponding position, sealed lid include lid (11) and with drain pipe (9) assorted chock (12), lid (11) lateral wall upper end is through connecting device and drilling rod (1) swing joint, lid (11) lateral wall lower extreme with chock (12) fastening connection.

2. A groundwater sampling device for hydrogeology and engineering geology according to claim 1, characterized in that the connection device includes fixed blocks (13) and insertion rods (14), the number of the fixed blocks (13) is 2, and the fixed blocks are all fixedly arranged on the side wall of the drill rod (1), the distance between the two fixed blocks (13) corresponds to the cover body (11), first fixing through holes (15) matched with the insertion rods (14) are all horizontally arranged on the fixed blocks (13), second fixing through holes (16) matched with the insertion rods (14) are horizontally arranged at the upper end of the cover body (11), and the insertion rods (14) pass through the first fixing through holes (15) and the second fixing through holes (16) to movably connect the drill rod (1) and the cover body (11).

3. A groundwater sampling device for hydrogeology or engineering geology according to claim 1, characterised in that the lateral wall of the chock (12) is provided with a sealing ring.

4. A groundwater sampling device for hydrogeology or engineering geology according to claim 1, characterized in that the inner wall of the water collection tank (4) is provided with a water level sensor (10).

5. A groundwater sampling device for hydrogeology, engineering geology, according to claim 1, characterized in that the drain pipe (9) discharges the sampled water in such a way that a water pump draws the water in the water collection tank (4) through the drain pipe (9).

6. A groundwater sampling device for hydrogeology or engineering geology according to claim 5, characterized in that the pumping end of the pump is provided with a pumping pipe matched with the drain pipe (9).