CN210571524U

CN210571524U - Sampling device of observation well

Info

Publication number: CN210571524U
Application number: CN201921607176.8U
Authority: CN
Inventors: 申金超; 刘志飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-19
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a sampling device of inspection well, include: a sampling rod and a mounting seat; the utility model discloses a sampling rod, including sample rod, sampling rod, seal, sampling hole, sampling rod, seal, and the inside of sample rod runs through the inside of setting at the mount pad, the catch basin has been seted up to the inside equidistance of sample rod, the inside of sample rod and the entrance point that is located the catch basin have seted up the sampling hole, and the open end inner wall of sampling hole inlays and is equipped with the protection grid, the inside of sample rod and the exit end that is located the catch basin have seted up the. The utility model discloses in, this sampling device of inspection well adopts the catch basin of a plurality of equidistance structure, can play the effect of comprehensive sample collection to the rivers of the different degree of depth in the observation well, has increased sampling device's the sample comprehensiveness to rivers in the observation well, cooperates the thief hole and the apopore of slope structure simultaneously, has made things convenient for leading-in and the derivation operation of rivers, has ensured the unobstructed nature of flow of the interior sample rivers of catch basin, has improved sampling device's sample stability.

Description

Sampling device of observation well

Technical Field

The utility model relates to a geologic survey technical field especially relates to a sampling device of inspection well.

Background

The observation well is used for observing the underground water level or simultaneously measuring the underground water production amount, the water quality, the water temperature and the like, in the field of geological survey, the actual condition of underground water needs to be comprehensively observed and treated in multiple angles through the observation well, and meanwhile, in order to better know the specific condition of underground water, a sampling device needs to be used for sampling and treating water flow in the observation well, so that the follow-up more accurate analysis and treatment are facilitated.

However, when the groundwater in the observation well is sampled by the sampling device of the existing observation well, the sampling device can only sample the groundwater at a certain specific height or locally, so that the depth of the sampled water flow is not wide enough, the sample of the sampled water flow is not comprehensive enough, the actual situation of all water flows in the observation well can not be represented accurately, and the actual using effect of the sampling device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sampling device of an observation well.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sampling device for an observation well, comprising: a sampling rod and a mounting seat;

the sampling rod penetrates through the mounting seat;

the water storage tanks are equidistantly arranged in the sampling rod, sampling holes are arranged in the sampling rod and positioned at the inlet end of the water storage tanks, and protective grids are embedded in the inner walls of the opening ends of the sampling holes;

the inside of thief rod just is located the exit end of catch basin and has seted up the apopore, and the open end inner wall of apopore inlays and is equipped with the sealing plug.

As a further description of the above technical solution:

the device also comprises a closing plate;

the sealing plate is embedded in a sliding groove formed in the sampling rod;

the cross section of shrouding is the arc structure, the both sides outer wall of shrouding all with the smooth roller roll connection of welding in the spout.

As a further description of the above technical solution:

the device also comprises a bracket;

the number of the brackets is three, and the three brackets are distributed in an annular and equal-angle structure;

one end of the support is rotatably connected with the outer wall of the mounting seat through a pin shaft, and the other end of the support is rotatably connected with the balance foot through a pin shaft.

As a further description of the above technical solution:

the device also comprises a limiting pipe;

the limiting pipe is welded at the bottom of the mounting seat and is positioned on the outer side of the sampling rod;

the diameter of the inner wall of the limiting pipe is equal to the diameter of the outer wall of the sampling rod.

As a further description of the above technical solution:

the upper surface of mount pad is provided with the joint seat, and the inside of joint seat is pasted and is had the damping gasket, the outer wall of thief rod is provided with the joint pole, and the joint pole corresponds the joint with the joint seat.

As a further description of the above technical solution:

the opening direction slope of thief hole makes progress, the opening direction slope of apopore is downward, the inclination of thief hole and apopore is 45 degrees.

Advantageous effects

The utility model provides a sampling device of inspection well. The method has the following beneficial effects:

(1): this sampling device of inspection shaft adopts the catch basin of a plurality of equidistance structure, can play the effect of comprehensive sample collection to the rivers of the different degree of depth in the observation shaft, has increased sampling device's the sample comprehensiveness to rivers in the observation shaft, cooperates the thief hole and the apopore of slope structure simultaneously, has made things convenient for leading-in and the derivation operation of rivers, has ensured the unobstructed nature of flow of the interior sample rivers of catch basin, has improved sampling device's sample stability.

(2): this sampling device of observation well is through the shrouding that sets up, and the removal operation of position about the shrouding carries out in the thief rod can be driven to the roll mode of cooperation smooth roller to play sealed protection's effect to the open-close state of thief hole, and then realized that a plurality of thief hole is unified to be opened and closed effect, can not influence the sample operation of observation well.

Drawings

Fig. 1 is a schematic view of an overall structure of a sampling device of an observation well according to the present invention;

FIG. 2 is a schematic structural view of the bracket of the present invention;

FIG. 3 is a schematic view of a partial structure of the joint between the sampling rod and the mounting base of the present invention;

fig. 4 is a schematic cross-sectional view of the connection between the middle sealing plate and the sampling rod of the present invention;

fig. 5 is a schematic view of the internal partial structure of the middle sampling rod of the present invention.

Illustration of the drawings:

1. closing the plate; 2. a sampling rod; 21. a clamping and connecting rod; 22. a water storage tank; 23. a sliding roller; 3. a mounting seat; 31. a clamping seat; 32. a damping shim; 4. a support; 41. a pin shaft; 42. a balance foot; 5. a limiting pipe; 6. a sampling hole; 61. a protective grid; 7. a water outlet hole; 71. and (4) sealing the plug.

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.

As shown in fig. 1, 4 and 5, a sampling device for an observation well comprises: a sampling rod 2 and a mounting seat 3;

the sampling rod 2 is arranged in the mounting seat 3 in a penetrating way;

the water storage tanks 22 are equidistantly arranged in the sampling rod 2, the sampling hole 6 is arranged in the sampling rod 2 and at the inlet end of the water storage tank 22, and the inner wall of the opening end of the sampling hole 6 is embedded with a protective grating 61;

a water outlet hole 7 is formed in the sampling rod 2 and positioned at the outlet end of the water storage tank 22, and a sealing plug 71 is embedded in the inner wall of the opening end of the water outlet hole 7;

the sampling rod is characterized by further comprising a sealing plate 1, wherein the sealing plate 1 is embedded in a sliding groove formed in the sampling rod 2, the cross section of the sealing plate 1 is of an arc-shaped structure, and the outer walls of two sides of the sealing plate 1 are in rolling connection with sliding rollers 23 welded in the sliding groove;

the opening direction slope of sampling hole 6 is upwards, and the opening direction slope of apopore 7 is downwards, and the inclination of sampling hole 6 and apopore 7 is 45 degrees.

The working principle is as follows: set up mount pad 3 at the top outer wall of observation well, the inside that the sample arm 2 runs through mount pad 3 stretches into in the observation well, make during the gradual rivers that enter into in the observation well of sample arm 2, when the sample arm 2 stretches into the sample height, the thief hole 6 can be submerged to the thief flow, at this moment to one side rotation shrouding 1, make shrouding 1 under the roll effect of smooth roll 23, move aside to one side, thereby open the circulation passageway of thief hole 6, make the rivers in the observation well see through and store in entering into catch basin 22 behind the protection grid 61, realize the sample treatment to the different degree of depth rivers in the observation well, after the sample is accomplished, upwards pull out thief arm 2, then extract sealing plug 71, the thief flow in the catch basin 22 can be along the even outside discharge of apopore 7 this moment, so that carry out subsequent detection and treatment to the different degree of depth rivers.

As shown in fig. 2, still include support 4, the quantity of support 4 is three, be annular and angular structure such as distribute between the three support 4, the outer wall rotation that round pin axle 41 and mount pad 3 is passed through to the one end of support 4 is connected, the other end of support 4 is passed through round pin axle 41 and is connected with balanced foot 42 rotation, the bottom of three support 4 is all installed fixedly through balanced foot 42, can play the effect of support to the installation angle and the height of mount pad 3, cooperate the rotation effect of round pin axle 41 simultaneously, it can carry out the free regulation operation of angle to have guaranteed that support 4, sampling device's actual application scope has been enlarged.

As shown in fig. 1, still include spacing pipe 5, spacing pipe 5 welds in the bottom of mount pad 3 and is located the outside of thief rod 2, spacing pipe 5's inner wall diameter equals with the outer wall diameter size of thief rod 2, lubricating oil has been paintd to spacing pipe 5's inner wall, when thief rod 2 runs through spacing pipe 5, spacing pipe 5 can enough play the effect of linear centre gripping to the flexible process of thief rod 2, prevent that thief rod 2 from taking place the phenomenon of skew, the frictional resistance between spacing pipe 5 and the thief rod 2 outer wall has also been reduced simultaneously, make things convenient for the lift operation of thief rod 2.

As shown in fig. 3, the upper surface of mount pad 3 is provided with joint seat 31, and the inside of joint seat 31 is pasted and is had damping gasket 32, the outer wall of thief rod 2 is provided with joint pole 21, and joint pole 21 corresponds the joint with joint seat 31, when thief rod 2 moves to the deepest position to observation well inside along mount pad 3, joint pole 21 on thief rod 2 can be embedded into joint seat 31 internal fixation, play the restriction effect to the amplitude of rise of thief rod 2, damping gasket 32 can be by compression deformation when receiving the extrusion of joint pole 21 simultaneously, can play elastic shock-absorbing guard action to the shaking force that thief rod 2 received, and then reduce the vibrations influence that sampling device received.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sampling device for an observation well, comprising: a sampling rod (2) and a mounting seat (3);

the sampling rod (2) is arranged in the mounting seat (3) in a penetrating manner;

the water storage tanks (22) are equidistantly arranged in the sampling rod (2), sampling holes (6) are arranged in the sampling rod (2) and at the inlet end of the water storage tanks (22), and protective grids (61) are embedded in the inner walls of the opening ends of the sampling holes (6);

the inside of thief rod (2) and the exit end that is located catch basin (22) have seted up apopore (7), and the open end inner wall of apopore (7) inlays and is equipped with sealing plug (71).

2. A sampling device for an observation well according to claim 1, characterized by further comprising a closing plate (1);

the sealing plate (1) is embedded in a sliding groove formed in the sampling rod (2);

the cross section of shrouding (1) is the arc structure, the both sides outer wall of shrouding (1) all with welding slide roller (23) roll connection in the spout.

3. A sampling device for an observation well according to claim 1, characterized by further comprising a support (4);

the number of the brackets (4) is three, and the three brackets (4) are distributed in an annular and equal-angle structure;

one end of the support (4) is rotatably connected with the outer wall of the mounting seat (3) through a pin shaft (41), and the other end of the support (4) is rotatably connected with a balance foot (42) through the pin shaft (41).

4. A sampling device for an observation well according to claim 1, characterized by further comprising a limiting tube (5);

the limiting pipe (5) is welded at the bottom of the mounting seat (3) and is positioned on the outer side of the sampling rod (2);

the diameter of the inner wall of the limiting pipe (5) is equal to the diameter of the outer wall of the sampling rod (2).

5. The sampling device of an observation well according to claim 1, wherein a clamping seat (31) is arranged on the upper surface of the mounting seat (3), a damping gasket (32) is adhered inside the clamping seat (31), a clamping rod (21) is arranged on the outer wall of the sampling rod (2), and the clamping rod (21) is correspondingly clamped with the clamping seat (31).

6. The sampling device of an observation well according to claim 1, wherein the opening direction of the sampling hole (6) is inclined upwards, the opening direction of the water outlet hole (7) is inclined downwards, and the inclination angles of the sampling hole (6) and the water outlet hole (7) are both 45 degrees.