CN212391273U

CN212391273U - Sample collecting device for underground water monitoring well

Info

Publication number: CN212391273U
Application number: CN202021351460.6U
Authority: CN
Inventors: 佟智强; 刘浩; 任传涛; 高博; ***; 宋林旭; 宋立东; 张龙; 王东
Original assignee: First Gold Detachment Of Chinese People's Armed Police Force
Current assignee: First Gold Detachment Of Chinese People's Armed Police Force
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-01-22
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a sample collection device for groundwater monitoring well, which comprises a first shell, two filter screen plates are arranged on two sides of the interior of a third shell, a second slide rail is arranged on one side of the interior of the third shell close to the filter screen plates, a second slide block is connected to the interior of the second slide rail in a sliding manner, one side of the second slide block close to the filter screen plates is welded with the filter screen plates, a third connecting rod is welded on one side of the second slide block, and a third fixing plate is welded on one end of the third connecting rod away from the filter screen plates; this device is when using, promotes the decline of third casing through setting up electric putter, makes first casing and second casing separation, makes the water in the monitoring well get into and takes a sample in the third casing to set up filter plate before water gets into the third casing and filter it, prevent that the rock soil piece that the aquatic mixes from getting into the third casing along with the rivers, keep the purity of the sample of gathering, prevent that debris from mixing the accuracy that influences groundwater monitoring in the aquatic.

Description

Sample collecting device for underground water monitoring well

Technical Field

The utility model relates to a groundwater monitoring technology field specifically is a sample collection system for groundwater monitoring well.

Background

The underground water monitoring is that an underground water monitoring management department monitors data such as underground water level, water quality and the like in a district so as to grasp dynamic change conditions in time and protect the underground water for a long time, the underground water refers to water existing in rock gaps below the ground, refers to water in a saturated aquifer below the underground water surface in a narrow sense, the underground water refers to gravity water buried below the ground surface in various forms, and the definition of the underground water is three: the first is all water buried in underground water which is obviously different from surface water, and particularly refers to the water of a saturated zone in a water-bearing layer; secondly, the water flows or permeates downwards to saturate soil and rocks and supply water to springs and wells; and thirdly, water stored in the cavities of the rock underground in the voids that make up the crust material.

When carrying out groundwater monitoring, need take a sample to the water in the groundwater monitoring well, influence the quality of sample because of rock and clod that mix in the groundwater easily when taking a sample groundwater, current sampling device intercepts it through setting up the filter screen in the sample storehouse, nevertheless need change it after the filter screen uses for a long time, current sampling device need be equipped with the whole change in sample storehouse of filter screen, and the cost is higher, for this, provides a sample collection system for groundwater monitoring well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sample collection system for groundwater monitoring well to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sample collecting device for an underground water monitoring well comprises a first shell, a second shell is arranged below the first shell, a rubber block is bonded on the top of the second shell, the second shell is clamped with the first shell through the rubber block, an electric push rod is mounted on the top of the inner side of the first shell, a third shell is welded at the telescopic end of the electric push rod, two first sliding rails are mounted on two sides of the inner portion of the first shell, a first sliding block is connected to the inner portion of each first sliding rail in a sliding mode, one side, close to the third shell, of each first sliding block is welded with the corresponding third shell, the bottom of the third shell is welded with the corresponding second shell, two filter screen plates are arranged on two sides of the inner portion of the third shell, a second sliding rail is mounted on one side, close to the filter screen plates, of the inner portion of the third shell, a second sliding block is connected to the inner portion of each second sliding rail in a sliding mode, one side, close to the, the welding of one side of second slider has the third connecting rod, the one end welding that the filter plate was kept away from to the third connecting rod has the third fixed plate, the second screw hole has been seted up to one side of third fixed plate, there is the bolt through second screw hole threaded connection in inside one side of third fixed plate, first screw hole has been seted up to one side that the third casing is close to the second screw hole, the bolt is through first screw hole and third casing threaded connection, two exhaust holes have been seted up to the top both sides of third casing.

As further preferable in the present technical solution: the first shell is internally located below the first sliding rail and is fixedly connected with two limiting blocks through screws.

As further preferable in the present technical solution: two second hole grooves have been seted up to the both sides of second casing, the inside in second hole groove is run through and is had first connecting rod, the one end welding that first connecting rod is located second hole inslot portion has the second limiting plate, the welding of one side that first connecting rod was kept away from to the second limiting plate has the second spring, the welding of the one end that the second limiting plate was kept away from to first connecting rod has the baffle.

As further preferable in the present technical solution: the top of first casing is equipped with first backup pad, the top welding of first backup pad has the support, the welding of top one side of support has first fixed plate, one side of first fixed plate is rotated through the bearing and is connected with the pivot, the welding of one side of pivot has the runner, the motor is installed to top one side of support, the output shaft and the pivot welding of motor, the surface of runner is around being equipped with the rope, the one end and the runner fixed connection of rope, the one end of rope runs through first backup pad, the rope runs through the one end and the first casing fixed connection of first backup pad, the welding of the bottom of second casing has the balancing weight, the square groove has been seted up to the bottom of balancing weight.

As further preferable in the present technical solution: two first hole grooves have been seted up to the both sides of first backup pad, the inside in first hole groove is run through and is had the second connecting rod, the one end welding that the second connecting rod is located first hole inslot portion has first limiting plate, one side welding that the second connecting rod was kept away from to first limiting plate has first spring, the one end welding that the first limiting plate was kept away from to the second connecting rod has the second fixed plate, one side welding that the second fixed plate is close to first casing has the grip block.

As further preferable in the present technical solution: the electric motor is characterized in that a first switch and a second switch are respectively installed on one side of the first fixing plate, the electric output end of the first switch is electrically connected with the electric input end of the electric motor, and the electric output end of the second switch is electrically connected with the electric input end of the electric push rod.

Compared with the prior art, the beneficial effects of the utility model are that: this device is when using, promote the third casing through setting up electric putter and descend, make first casing and second casing separation, make the water in the monitoring well get into and take a sample in the third casing, and set up the filter plate before water gets into the third casing and filter it, prevent that the rock soil piece that the aquatic mixes from getting into the third casing along with the rivers, keep the purity of the sample of gathering, prevent that debris from mixing influences the accuracy of groundwater monitoring in the aquatic, and set up rope cooperation motor and be convenient for the staff and drop into the third casing to the monitoring well.

Drawings

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

fig. 2 is a schematic view of the internal structure of the first housing of the present invention;

fig. 3 is a schematic structural diagram of the third housing of the present invention.

In the figure: 1. an electric motor; 2. a rotating wheel; 3. a rope; 4. a rotating shaft; 5. a first fixing plate; 6. a first switch; 7. a second switch; 8. a first hole groove; 9. a first limit plate; 10. a first spring; 12. a first housing; 13. a baffle plate; 14. a first link; 15. a balancing weight; 16. a second housing; 17. a clamping block; 18. a second fixing plate; 19. a second link; 20. a first support plate; 21. a first slide rail; 22. an exhaust hole; 24. an electric push rod; 25. a bolt; 26. a third fixing plate; 27. a first slider; 28. a third housing; 29. a second limiting plate; 30. a second hole groove; 31. a second spring; 32. a rubber block; 33. a limiting block; 34. a filter screen plate; 35. a second slide rail; 36. a third link; 37. a second slider; 38. a first threaded hole; 39. a second threaded hole; 40. a square groove; 41. and (4) a bracket.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a sample collecting device for an underground water monitoring well comprises a first shell 12, a second shell 16 is arranged below the first shell 12, a rubber block 32 is bonded on the top of the second shell 16, the second shell 16 is clamped with the first shell 12 through the rubber block 32, an electric push rod 24 is mounted on the top of the inner side of the first shell 12, the model of the electric push rod 24 is CAHB-10, a third shell 28 is welded at the telescopic end of the electric push rod 24, two first sliding rails 21 are mounted on two sides inside the first shell 12, a first sliding block 27 is connected inside the first sliding rails 21 in a sliding manner, one side of the first sliding block 27 close to the third shell 28 is welded with the third shell 28, the bottom of the third shell 28 is welded with the second shell 16, two filter screen plates 34 are arranged on two sides inside the third shell 28, a second sliding rail 35 is mounted on one side of the third shell 28 close to the filter screen plates 34, and a second sliding block 37 is connected inside the second sliding rail 35, one side of the second sliding block 37 close to the filter screen plate 34 is welded with the filter screen plate 34, one side of the second sliding block 37 is welded with a third connecting rod 36, one end of the third connecting rod 36 far away from the filter screen plate 34 is welded with a third fixing plate 26, one side of the third fixing plate 26 is provided with a second threaded hole 39, one side inside the third fixing plate 26 is in threaded connection with a bolt 25 through the second threaded hole 39, one side of the third shell 28 close to the second threaded hole 39 is provided with a first threaded hole 38, the bolt 25 is in threaded connection with the third shell 28 through the first threaded hole 38, two exhaust holes 22 are formed in two sides of the top of the third shell 28, the length of the first supporting plate 20 in the device is not less than 1m and the width is not less than 30cm, the length of the second connecting rod 19 in the device is not less than 50cm, the length of the rope 3 described in the device is not less than 15m, if the sampling demand of the, when the device collects water, the volume of the water which can be collected in one time is 3.5L.

In this embodiment, specifically: inside being located first slide rail 21 below of first casing 12 sets up stopper 33 and carries on spacingly to first slider 27 through two stopper 33 of screw fixedly connected with, and first slider 27 slides excessively when preventing to take a sample, is convenient for dismantle it after taking a sample through the screw fixation, is convenient for dismantle the change to filter screen board 34.

In this embodiment, specifically: two second hole grooves 30 have been seted up to the both sides of second casing 16, the inside of second hole groove 30 is run through and is had first connecting rod 14, the welding of the one end that first connecting rod 14 is located second hole groove 30 inside has second limiting plate 29, the welding of one side that first connecting rod 14 was kept away from to second limiting plate 29 has second spring 31, the welding of the one end that second limiting plate 29 was kept away from to first connecting rod 14 has baffle 13, it prevents that second casing 16 from because of rocking and the wall of a well collision when getting into the monitoring well to set up first connecting rod 14 cooperation second spring 31 and baffle 13, reduce the influence of collision to this device sample.

In this embodiment, specifically: a first supporting plate 20 is arranged above the first shell 12, a bracket 41 is welded on the top of the first supporting plate 20, a first fixing plate 5 is welded on one side of the top of the bracket 41, a rotating shaft 4 is rotatably connected on one side of the first fixing plate 5 through a bearing, a rotating wheel 2 is welded on one side of the rotating shaft 4, a motor 1 is installed on one side of the top of the bracket 41, an output shaft of the motor 1 is welded with the rotating shaft 4, a rope 3 is wound on the outer surface of the rotating wheel 2, one end of the rope 3 is fixedly connected with the rotating wheel 2, one end of the rope 3 penetrates through the first supporting plate 20, one end of the rope 3 penetrating through the first supporting plate 20 is fixedly connected with the first shell 12, a balancing weight 15 is welded on the bottom of the second shell 16, a square groove 40 is formed in the bottom of the balancing weight 15, the rope 3 is arranged to be matched with the balancing weight 15 so as to lower the first, the square groove 40 is arranged, so that a user can install components such as a sensor in the square groove 40, and a worker can know whether the device reaches a water layer or not and can work next step or not.

In this embodiment, specifically: two first hole grooves 8 have been seted up to the both sides of first backup pad 20, the inside of first hole groove 8 is run through and is had second connecting rod 19, the welding of the one end that second connecting rod 19 is located first hole groove 8 inside has first limiting plate 9, the welding of one side that second connecting rod 19 was kept away from to first limiting plate 9 has first spring 10, the welding of the one end that first limiting plate 9 was kept away from to second connecting rod 19 has second fixed plate 18, one side welding that second fixed plate 18 is close to first casing 12 has grip block 17, it is fixed with this device and monitoring well to set up second fixed plate 18 cooperation grip block 17 and first spring 10, the sample that this device slided and leads to gathering when preventing to take a sample loses.

In this embodiment, specifically: first switch 6 and second switch 7 are installed respectively to one side of first fixed plate 5, the electrical property output of first switch 6 and the electrical property input electric connection of motor 1, the electrical property output of second switch 7 and the electrical property input electric connection of electric putter 24, set up the start-up and the closing of first switch 6 control motor 1, set up the start-up and the closing of second switch 7 control electric putter 24, the portable power supply unit electric connection such as first switch 6 and second switch 7 and battery or storage battery of this device for supply power for motor 1 and electric putter 24.

Working principle or structural principle, when in use, the second fixing plate 18 is pulled, the device is placed on a monitoring well, the first supporting plate 20 is attached to the surface of the well, the second fixing plate 18 is loosened, the first spring 10 drives the first limiting plate 9 and the second connecting rod 19, the clamping block 17 is attached to the monitoring well, the device is fixed with the monitoring well, the motor 1 is started by pressing the first switch 6, the motor 1 drives the rotating wheel 2 to rotate, the rope 3 is separated from the rotating wheel 2, the first shell 12 and the second shell 16 are placed in the monitoring well by matching with the balancing weight 15, the first shell 12 and the second shell 16 are placed to a sampling position, the electric push rod 24 is started by pressing the second switch 7, the electric push rod 24 pushes the third shell 28 to descend, the second shell 16 is driven to be separated from the first shell 12, water enters the third shell 28, gas in the third shell 28 is discharged through the exhaust hole 22, the water flow is filtered by the filter screen plate 34 before entering the third shell 28, sundries such as rock soil blocks and the like mixed in the water are blocked to prevent the sundries from influencing the monitoring result of the sample, after the sample is collected, the second switch 7 is pressed down to reconnect the first shell 12 and the second shell 16, the first switch 6 is pressed down, the first shell 12 and the second shell 16 are pulled out to the upper part of the first supporting plate 20 by the motor 1 matching with the rope 3, the third shell 28 is taken out to finish the sampling of the underground water, the third shell 28 storing the sample can be taken out without separating the device from the wellhead, after the sampling, the filter screen plate 34 needs to be disassembled to be replaced or cleaned, the limiting block 33 is taken down, the second switch 7 is pressed down to match with the electric push rod 24 to push the third shell 28 out of the first shell 12, the bolt 25 is rotated to be separated from the first threaded hole 38, the third fixing plate 26 is pulled, the third connecting rod 36 drives the second sliding block 37 to slide out of the second sliding rail 35, and the filter screen plate 34 can be cleaned or replaced after being taken out.

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 sample collection device for a groundwater monitoring well, comprising a first housing (12), characterized in that: the improved filter screen plate is characterized in that a second shell (16) is arranged below the first shell (12), a rubber block (32) is bonded to the top of the second shell (16), the second shell (16) is connected with the first shell (12) in a clamping mode through the rubber block (32), an electric push rod (24) is installed at the top of the inner side of the first shell (12), a third shell (28) is welded to the telescopic end of the electric push rod (24), two first sliding rails (21) are installed on two sides of the inner portion of the first shell (12), a first sliding block (27) is connected to the inner portion of each first sliding rail (21) in a sliding mode, the first sliding block (27) is welded to one side close to the third shell (28) and the third shell (28), the bottom of the third shell (28) is welded to the second shell (16), two filter screen plates (34) are arranged on two sides of the inner portion of the third shell (28), a second sliding rail (35) is installed on one side close to the filter screen plate (34) in the inner portion of, a second sliding block (37) is connected inside the second sliding rail (35) in a sliding manner, one side of the second sliding block (37) close to the filter screen plate (34) is welded with the filter screen plate (34), a third connecting rod (36) is welded at one side of the second sliding block (37), a third fixing plate (26) is welded at one end of the third connecting rod (36) far away from the filter screen plate (34), one side of the third fixing plate (26) is provided with a second threaded hole (39), one side of the inner part of the third fixing plate (26) is in threaded connection with a bolt (25) through a second threaded hole (39), a first threaded hole (38) is formed in one side, close to the second threaded hole (39), of the third shell (28), the bolt (25) is in threaded connection with the third shell (28) through a first threaded hole (38), two exhaust holes (22) are formed in two sides of the top of the third shell (28).

2. A sample collection device for a groundwater monitoring well as claimed in claim 1, wherein: the first shell (12) is internally positioned below the first sliding rail (21) and is fixedly connected with two limiting blocks (33) through screws.

3. A sample collection device for a groundwater monitoring well as claimed in claim 1, wherein: two second hole grooves (30) have been seted up to the both sides of second casing (16), the inside of second hole groove (30) is run through and is had first connecting rod (14), first connecting rod (14) are located the inside one end welding of second hole groove (30) and have second limiting plate (29), one side welding that first connecting rod (14) were kept away from to second limiting plate (29) has second spring (31), the one end welding that second limiting plate (29) were kept away from to first connecting rod (14) has baffle (13).

4. A sample collection device for a groundwater monitoring well as claimed in claim 1, wherein: the top of first casing (12) is equipped with first backup pad (20), the top welding of first backup pad (20) has support (41), the welding of top one side of support (41) has first fixed plate (5), one side of first fixed plate (5) is connected with pivot (4) through the bearing rotation, the welding of one side of pivot (4) has runner (2), motor (1) is installed to top one side of support (41), the output shaft and the pivot (4) welding of motor (1), the surface of runner (2) is around being equipped with rope (3), the one end and runner (2) fixed connection of rope (3), the one end of rope (3) runs through first backup pad (20), the one end and first casing (12) fixed connection that rope (3) run through first backup pad (20), the welding of the bottom of second casing (16) has balancing weight (15), the bottom of the balancing weight (15) is provided with a square groove (40).

5. A sample collection device for a groundwater monitoring well according to claim 4, wherein: two first hole grooves (8) have been seted up to the both sides of first backup pad (20), the inside of first hole groove (8) is run through and is had second connecting rod (19), second connecting rod (19) are located the inside one end welding of first hole groove (8) and have first limiting plate (9), one side welding that second connecting rod (19) were kept away from in first limiting plate (9) has first spring (10), the one end welding that first limiting plate (9) were kept away from in second connecting rod (19) has second fixed plate (18), one side welding that second fixed plate (18) are close to first casing (12) has grip block (17).

6. A sample collection device for a groundwater monitoring well according to claim 4, wherein: a first switch (6) and a second switch (7) are respectively installed on one side of the first fixing plate (5), the electrical output end of the first switch (6) is electrically connected with the electrical input end of the motor (1), and the electrical output end of the second switch (7) is electrically connected with the electrical input end of the electric push rod (24).