CN211783720U

CN211783720U - Multilayer groundwater water level observation device

Info

Publication number: CN211783720U
Application number: CN202020012765.8U
Authority: CN
Inventors: 张建芝; 刘莉
Original assignee: Individual
Current assignee: Xieyong Daoqin Technology Service Beijing Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-27
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a multilayer groundwater water level observation device, including the observation pipe, the observation pipe comprises thick section and thin section combination, and this thick section and the crisscross intercommunication of this thin section, the outer wall of thick section is the grid structure, just the inner wall of thick section is connected with the outer wall of a net section of thick bamboo, and the inner wall of a net section of thick bamboo is fitted with around pasting and is equipped with the filter cloth, the centre of thick section is provided with the inner tube, is provided with the interval between the outer wall of inner tube and the filter cloth, the inner tube adopts transparent material, and the seal is equipped with the measurement line on the inner wall of inner tube, the cover is equipped with the crown plate on the outer wall of thin section, the diameter of crown plate with the diameter of thick section is the same, and has evenly seted up the through-hole on the crown plate, one side parallel arrangement of observation pipe has the slip casting pipe. This multilayer groundwater water level observation device adopts the structural design of single observation pipe, just can survey the water level of multilayer groundwater, and is more high-efficient convenient, and uses manpower and materials sparingly.

Description

Multilayer groundwater water level observation device

Technical Field

The utility model relates to a groundwater observation equipment technical field specifically is a multilayer groundwater water level observation device.

Background

Groundwater refers to water present in the interstices of rocks below ground level and in the narrower sense to water in saturated aquifers below the surface of the groundwater. In the national standard hydrogeological terminology (GB/T14157-93), groundwater refers to various forms of gravitational water buried below the surface of the earth. The groundwater is an important component of water resources, and is one of important water sources for agricultural irrigation, industrial and mining and cities due to stable water yield and good water quality.

Traditional monitoring to multilayer groundwater water level need bore and establish a plurality of observation holes, and this mode work efficiency is lower, and consumes manpower and materials great, is not enough to some extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer groundwater water level observation device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multilayer underground water level observation device comprises an observation pipe, wherein the observation pipe is formed by combining a thick section and a thin section, the thick section is communicated with the thin section in a staggered way, the outer wall of the thick section is of a grid structure, the inner wall of the thick section is connected with the outer wall of a net cylinder, filter cloth is attached to the inner wall of the net cylinder in a surrounding way, an inner tube is arranged in the middle of the thick section, a space is arranged between the outer wall of the inner tube and the filter cloth, the inner tube is made of transparent materials, and the inner wall of the inner tube is printed with a measuring line, the outer wall of the thin section is sleeved with a ring plate, the diameter of the ring plate is the same as that of the thick section, through holes are uniformly arranged on the ring plate, grouting pipes are arranged on one side of the observation pipe in parallel, the number of the grouting pipes corresponds to that of the thin sections, and one end of the grouting pipe extends to one side of the thin section respectively, and the other end of the grouting pipe protrudes out of the upper end of the observation pipe.

Preferably, the ring plate is equidistantly distributed outside the thin section of the observation tube, and the ring plate is welded with the observation tube.

Preferably, the periphery of the annular plate is provided with longitudinal ribs at equal intervals, and the upper end and the lower end of each longitudinal rib are respectively welded with the thick sections of the observation tubes.

Preferably, the net cylinder is made of stainless steel, and the filter cloth is made of nylon mesh cloth.

Preferably, the joints of the outer walls of the upper end and the lower end of the inner pipe and the inner wall of the observation pipe are provided with sealing rings.

Preferably, the upper end of the observation tube is in threaded connection with a sealing cover, the top of the sealing cover is provided with a rotating handle, and the lower end of the observation tube is provided with an inverted-truncated-cone-shaped fixing head.

Compared with the prior art, the beneficial effects of the utility model are that: this multilayer groundwater water level observation device adopts the structural design of single observation pipe, just can survey the water level of multilayer groundwater, and is more high-efficient convenient, and uses manpower and materials sparingly.

Drawings

FIG. 1 is a front view of the internal structure of a multilayer groundwater level observation device of the present invention;

FIG. 2 is an enlarged schematic view of the multi-layer groundwater level observation device of the present invention at A in FIG. 1;

FIG. 3 is a thick sectional view of an observation tube of the multi-layer groundwater level observation device of the present invention;

fig. 4 is the utility model discloses a thin section cross-sectional view of multilayer groundwater water level observation device observation tube.

In the figure: 1. the measuring device comprises a rotating handle, 2, a sealing cover, 3, a grouting pipe, 4, a ring plate, 5, a longitudinal rib, 6, an observation pipe, 7, a net cylinder, 8, filter cloth, 9, a sealing ring, 10, a measuring line, 11, an inner pipe, 12 and a fixing head.

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. 1-4, the present invention provides a technical solution: a multilayer groundwater level observation device comprises an observation tube 6, wherein the observation tube 6 is composed of a thick section and a thin section which are in staggered communication, the thin section corresponds to a weakly permeable layer of underground soil, the thick section corresponds to a groundwater layer, the outer wall of the thick section is of a grid structure, underground water can enter the observation tube 6 and reach the outer wall of an inner tube 11, the inner wall of the thick section is connected with the outer wall of a net cylinder 7, filter cloth 8 is attached to the inner wall of the net cylinder 7 in a surrounding mode, the net cylinder 7 and the filter cloth 8 are fixedly connected with the observation tube 6 through screws, sand and stones can be filtered through the grid structure, the net cylinder 7 is made of stainless steel, the filter cloth 8 is made of nylon mesh cloth, the net cylinder 7 is made of coarse filtering materials, the filter cloth 8 can perform fine filtering, the filter cloth 8 is matched with each other to improve the filtering effect, an inner tube 11 is arranged in the middle of the thick section, a gap is arranged between the outer wall of the inner tube 11, the inner pipe 11 is made of transparent material, the inner pipe 11 is made of PVC material, the inner wall of the inner pipe 11 is printed with a measuring line 10, the structure enables the water level to be displayed on the outer wall of the inner pipe 11, the specific data of the water level can be conveniently checked through the measuring line 10, the joints of the outer walls of the upper end and the lower end of the inner pipe 11 and the inner wall of the observation pipe 6 are respectively provided with a sealing ring 9, the sealing rings 9 can improve the sealing effect and prevent underground water from entering the inner pipe 11, the outer wall of the thin section is sleeved with a ring plate 4, the diameter of the ring plate 4 is the same as that of the thick section, through holes are uniformly formed in the ring plate 4 and can be used for circulating cement mortar, a plurality of ring plates 4 are equidistantly distributed outside the thin section of the observation pipe 6, the connection mode of the ring plate 4 and the observation pipe 6 is welding, the structure enables the cement mortar to slowly circulate and prevent, the periphery of the annular plate 4 is provided with longitudinal ribs 5 at equal intervals, the upper end and the lower end of each longitudinal rib 5 are respectively welded with the thick sections of the observation tube 6, the longitudinal ribs 5 can strengthen and support the observation tube 6 to ensure that the observation tube 6 is more stable, one side of the observation tube 6 is provided with the grouting tube 3 in parallel, the grouting tube 3 penetrates through the thick sections of the observation tube 6 and is reinforced and sealed with the thick sections of the observation tube 6 by welding, the number of the grouting tubes 3 corresponds to that of the thin sections, one end of each grouting tube 3 extends to one side of each thin section, the other end of each grouting tube 3 protrudes out of the upper end of the observation tube 6, the number of the thin sections in the graph 1 is three, the three grouting tubes 3 correspond to the three grouting tubes, the lower ends of the three grouting tubes 3 extend to one side of the three thin sections respectively, the structure enables cement mortar to be respectively injected into the periphery of the three thin sections, and seals the weak permeable layer between the underground water layers, prevent that multilayer groundwater from circulating each other, hinder the observation, the upper end threaded connection of observation pipe 6 has closing cap 2, closing cap 2 can prevent that ground water from getting into in observation pipe 6, the top of closing cap 2 is provided with changes 1, changes 1 through welded fastening, the operator of being convenient for of this structure rotates closing cap 2 and opens and close, the lower extreme of observation pipe 6 is provided with the fixed head 12 of inverted circular truncated cone shape, fixed head 12 is through welded fastening, the observation pipe 6 of being convenient for of this structure inserts in the drilling downwards.

The working principle is as follows: when the multilayer groundwater level observation device is used, whether parts of the device are damaged or not or the connection is not firm is firstly checked, the device is used after the parts are checked to be correct, an observation hole is drilled firstly, the thickness of a weakly permeable layer in soil of the multilayer groundwater is measured in advance by a detector after the holes are drilled, then an observation tube 6 with corresponding length is manufactured according to the thickness of the weakly permeable layer and the water layer, the observation tube 6 is formed by combining a thick section and a thin section, the thick section is communicated with the thin section in a staggered mode, the thin section corresponds to the weakly permeable layer of the underground soil, the thick section corresponds to the groundwater layer, the observation tube 6 is inserted into the drill hole, the observation tube 6 is higher than the ground by a small section, the underground water is prevented from entering the observation tube 6, then cement mortar is injected around the thin section on the observation tube 6 through one end, protruding out of the ground, of the grouting tube 3, the thin section of the grouting tube 3 corresponds to the soil of the weakly permeable, along with the filling of cement mortar, the thin section of the grouting pipe 3 can be closely connected with the soil of the weak permeable stratum, a gap between the two is sealed, so that the mutual circulation of multiple layers of underground water can be prevented, the outer wall of the thick section of the observation pipe 6 is of a grid structure, the underground water can enter the observation pipe 6 from the grid part and is blocked outside the inner pipe 11, the inner pipe 11 is made of transparent materials, so that the water level can be clearly shown on the outer wall of the inner pipe 11, then an operator binds the camera shooting device and the lighting device together, hangs the camera shooting device and the lighting device by a rope, puts the camera shooting device from the upper end of the observation pipe 6, gradually moves downwards along the cavity in the center of the observation pipe 6, always shoots, takes out the camera shooting device and the lighting device after completely shooting the inner cavity of the observation pipe 6, watches the relative positions of the water level at the inner pipe 11 and the measuring line 10, the multi-layer underground water level observation device is more efficient and convenient, and saves manpower and material resources, and is the working principle of the multi-layer underground water level observation device.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a multilayer groundwater water level observation device which characterized in that: comprises an observation tube (6), the observation tube (6) is composed of a thick section and a thin section which are in staggered communication, the outer wall of the thick section is of a grid structure, the inner wall of the thick section is connected with the outer wall of a net cylinder (7), a filter cloth (8) is arranged on the inner wall of the net cylinder (7) in a surrounding and sticking mode, an inner tube (11) is arranged in the middle of the thick section, a space is arranged between the outer wall of the inner tube (11) and the filter cloth (8), the inner tube (11) is made of transparent materials, a measuring line (10) is printed on the inner wall of the inner tube (11), a ring plate (4) is sleeved on the outer wall of the thin section, the diameter of the ring plate (4) is the same as that of the thick section, through holes are uniformly formed in the ring plate (4), grouting tubes (3) are arranged on one side of the observation tube (6) in parallel, and the number of the grouting tubes (3) is corresponding to that of the, and one end of the grouting pipe (3) extends to one side of the thin section respectively, and the other end of the grouting pipe (3) protrudes out of the upper end of the observation pipe (6).

2. The multilayer groundwater level observation device according to claim 1, wherein: the ring plate (4) is equidistantly distributed outside the thin section of the observation pipe (6) in a plurality, and the ring plate (4) is welded with the observation pipe (6).

3. The multilayer groundwater level observation device according to claim 1, wherein: the periphery of the ring plate (4) is provided with longitudinal ribs (5) in an encircling equidistant mode, and the upper end and the lower end of each longitudinal rib (5) are respectively welded with the thick sections of the observation tubes (6).

4. The multilayer groundwater level observation device according to claim 1, wherein: the net cylinder (7) is made of stainless steel, and the filter cloth (8) is made of nylon mesh cloth.

5. The multilayer groundwater level observation device according to claim 1, wherein: and sealing rings (9) are arranged at the joints of the outer walls of the upper end and the lower end of the inner pipe (11) and the inner wall of the observation pipe (6).

6. The multilayer groundwater level observation device according to claim 1, wherein: the upper end of the observation tube (6) is in threaded connection with a sealing cover (2), the top of the sealing cover (2) is provided with a rotating handle (1), and the lower end of the observation tube (6) is provided with a fixing head (12) in an inverted frustum shape.