CN214583497U - Water level pipe and underground water level hydraulic gradient measuring system under offshore tidal environment - Google Patents

Abstract

The utility model discloses a water level pipe, it includes that the lower part is equipped with the body of water inlet, for the upper tube lid that link up the step cylinder from top to bottom, through the hose that fastener and upper tube lid step top interface link to each other, lay the drill way and be equipped with the low tube cap of cobblestone and filter screen in to and both ends compress tightly fixedly in body and tube cap junction, wrap up the filter screen around the body. The utility model also discloses a groundwater level hydraulic gradient measurement system under coastal waters morning and evening tides environment, it includes that one row of water level monitoring hole of establishing is beaten along the coastline, lays the water level pipe in every water level monitoring hole, places the water level sensor in the water level socle portion, the automatic monitoring facilities who is connected with all water level sensors to and be used for receiving the data terminal who handles its water level signal. Through the utility model discloses, can effectively solve current groundwater level detecting system and lead to the measuring result inaccurate because of surging of surface water, the easy problem such as silt jam of water inlet.

Description

Water level pipe and underground water level hydraulic gradient measuring system under offshore tidal environment

Technical Field

The utility model relates to a ground water level measures and foundation engineering construction technical field, concretely relates to ground water level hydraulic gradient measurement system under water level pipe and coastal waters morning and evening tides environment.

Background

Along with the proposition and promotion of 'blue ocean' and 'one-by-one' strategies in China, the scale of economy, population and urbanization in offshore areas is further enlarged, more engineering construction projects are developed in the offshore areas, and therefore large-scale construction of various foundation pit projects in the offshore areas is inevitable. Due to the influence of ocean tide action, the underground water level in the offshore area is in the dynamic change process, and certain interference is brought to the construction of foundation pit engineering. Therefore, the change rule of the underground water hydraulic gradient under the action of offshore tides is determined, and great help is brought to the design and construction of deep and large foundation pit engineering.

The upper end of the ground surface is provided with an opening because the existing water level pipe needs to observe a scale or place a water level sensor connecting line. However, at seaside, due to the tidal action of seawater, seawater is easy to flow into the water level pipe from the upper end opening during tide rise, thereby affecting the accuracy of underground water level measurement.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned among the prior art, the utility model provides a thereby the water level pipe has solved current water level pipe and has gushed into because of the surface water and lead to the unsafe problem of measuring result.

In order to achieve the purpose of the invention, the utility model adopts the technical scheme that:

the water level pipe comprises a cylindrical pipe body, wherein an upper pipe cover is arranged at the upper end of the pipe body and is a step-shaped cylinder which is communicated up and down; the interface above the upper pipe cover step is connected with the hose through a fastener; the lower end of the pipe body is connected with a lower pipe cover, a water inlet is distributed on the lower pipe cover, cobblestones for filtering sundries are arranged in the lower pipe cover, and a filter screen is arranged between the lower pipe cover and the pipe orifice at the lower end of the pipe body; the filter screen is compressed and fixed in the middle of the gap at the joint of the pipe body and the upper pipe cover and the lower pipe cover and is wrapped around the pipe body.

Further, the pipe body is connected with the upper pipe cover and the lower pipe cover through threads.

Further, the fastener is a twisted steel wire.

Furthermore, the fastener is a C-shaped steel sheet with two ends respectively provided with a hole, and the opening of the fastener is screwed up and connected by matching a screw and a nut.

The utility model also provides an underground water level hydraulic gradient measurement system under coastal waters morning and evening tides environment, including the one row of water level monitoring hole of establishing is beaten to inland along coastline plumb line, lay the above-mentioned water level pipe in every water level monitoring hole, place the water level sensor in the water level socle portion, the automatic monitoring facilities who is connected with all water level sensors to and be connected through the wireless transmission mode with automatic monitoring facilities, and be used for receiving the data terminal who handles its water level signal.

The system can obtain the hydraulic gradient curve of the underground water level through the water level monitoring holes at different positions away from the coastline, so that the monitoring purpose is realized.

The automatic water level monitoring equipment is connected with the water level sensors in the water level monitoring holes, so that the underground water levels in all the monitoring holes can be obtained through one-time measurement, and the data are continuously monitored and recorded in hours, so that the hydraulic gradient change condition of the underground water level along with the influence of tide is obtained, and the complexity of sequentially measuring the water levels of all the monitoring holes is avoided; the data terminal can automatically perform data arrangement according to underground water level data provided by the automatic water level monitoring equipment, draw an underground water level hydraulic gradient curve, improve the efficiency and accuracy of data processing and save manpower.

Furthermore, the water level pipe also comprises an outer sleeve with the inner diameter larger than the outer diameter of the water level pipe and sleeved on the outer layer above the water level pipe, so as to prevent surface water from seeping along the gap of the water level pipe.

Further, still including setting up the locating lever by the water level pipe to and set up sign or warning light on the locating lever, for the location warning prevents near crowd from causing the damage to the water level pipe because of the unknown condition.

Drawings

Fig. 1 is a schematic structural view of a water level pipe.

Fig. 2 is a schematic structural view of the tube in fig. 1.

FIG. 3 is a schematic diagram of a system for measuring the hydraulic gradient of the groundwater level in a tidal environment.

Wherein, 1, a tube body; 2. a pipe cover is arranged; 3. a lower pipe cover; 4. a hose; 5. a water inlet; 6. cobblestones; 7. filtering with a screen; 8. a water level sensor; 9. automated monitoring equipment; 10. a data terminal; 11. an outer sleeve; 12. and (5) positioning the rod.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

As shown in fig. 1, the water level pipe provided by the scheme comprises a cylindrical pipe body 1, wherein an upper pipe cover 2 is arranged at the upper end of the pipe body 1, and the upper pipe cover 2 is a step-shaped cylinder which is penetrated up and down; the interface above the step of the upper tube cover 2 is connected with the hose 4 through a fastener; the lower end of the pipe body 1 is connected with a lower pipe cover 3, a water inlet 5 is distributed on the lower pipe cover 3, cobblestones 6 for filtering sundries are arranged in the lower pipe cover 3, and a filter screen 7 is arranged between the lower pipe cover 3 and the pipe orifice at the lower end of the pipe body 1; the filter screen 7 is pressed and fixed in the middle of the gap at the joint of the pipe body 1 and the upper pipe cover 2 and the lower pipe cover 3 and is wrapped around the pipe body 1.

When the water level pipe is used, the upper part of the step of the upper pipe cover 2 is tightly connected with the hose 4 by the fastening piece, so that seawater can be effectively prevented from flowing into the water level pipe from the pipe orifice; 2-3 circles of filter screens are wound around the pipe body 1, the cobblestones 6 and the filter screens 7 are covered on the lower pipe, the upper pipe cover 2 and the lower pipe cover 3 are connected with two ends of the pipe body 1, and the filter screens 7 and the cobblestones 6 are arranged to prevent the water inlet 5 from being blocked by silt; if after long-term use, the water inlet 5 is blocked, and the sectional design of the water level pipe also makes the disassembly and cleaning or the replacement of the filter device more convenient.

Referring again to fig. 1, the tubular body 1 is threadedly connected to both the upper tubular cover 2 and the lower tubular cover 3. The threaded connection processing technology is mature, the assembly and the disassembly are convenient, the filter screen 7 clamped in the joint can fix the filter screen 7, and the joint can be matched and fastened more tightly.

When in design, the fastening piece is a twisted steel wire or a C-shaped steel sheet with two ends respectively provided with a hole, and the opening of the fastening piece is screwed up and connected by matching a screw and a nut. The fastener has a simple structure and a good sealing effect; because the water level pipe of this scheme need rarely tear open after burying the installation and get, for further reduce cost, choose ordinary steel wire winding hank to be enough for use.

As shown in fig. 3, the utility model also provides an underground water level hydraulic gradient measurement system under coastal waters tidal environment, a serial communication port, including the one row of water level monitoring hole of establishing along the coastline plumb line inland, lay in foretell water level pipe in every water level monitoring hole, place the water level sensor 8 in the water level pipe bottom, the automatic monitoring facilities 9 that are connected with all water level sensors 8 to and be connected through wireless transmission mode with automatic monitoring facilities 9, and be used for receiving the data terminal 10 who handles its water level signal.

When the measuring system is arranged and used, a row of water level monitoring holes are firstly drilled inwards along the vertical line of the coastline, then the connecting line of the water level sensor 8 penetrates through the upper pipe cover 2 and is connected with the water level sensor 8 to be placed in the water level pipe, then the filter screen 7 is sequentially wound around the pipe body of the water level pipe, the upper pipe cover 2 and the lower pipe cover 3 are connected at the upper end and the lower end, the water level pipe is placed into the water level monitoring holes one by one after being assembled, gaps between the periphery of the pipe body of the water level pipe and the hole wall of the water level monitoring holes are filled with soil, and finally the automatic monitoring equipment 9 and the data terminal 10 are installed and debugged.

The distance between each water level monitoring hole is arranged at 10-20 m, so that the manufacturing cost can be reduced on the premise of ensuring the drawing precision of the hydraulic gradient curve.

When the device is implemented, one end of the hose 4 is connected with the upper pipe cover 2, and the other end of the hose 4 is connected with the automatic monitoring equipment 9, so that the connection line in the hose 4 is protected while the airtightness is ensured; if the water level pipe is far away from the automatic monitoring equipment 9, the other end of the hose can be directly fastened and fixed on the connecting line of the water level sensor 8, and the sealing performance of the water level pipe can be ensured on the premise of ensuring the economical efficiency.

When in design, the inner diameter of each water level pipe is 15cm, so that the water level sensor 8 can be ensured to be smoothly placed at the bottom of the water level pipe.

The scheme preferably adds an outer sleeve 11 with the inner diameter slightly larger than the outer diameter of the outer layer of the circumference above each water level pipe so as to prevent surface water from infiltrating downwards through soil gaps due to loose and porous soil filled around the water level pipes.

The system also comprises a positioning rod 12 arranged beside the water level pipe and a billboard or a warning lamp arranged on the positioning rod 12, and is used for positioning and warning to prevent nearby people from damaging the water level pipe due to unknown conditions.

In conclusion, the water level pipe and the underground water level hydraulic gradient measuring system under the offshore tidal environment have the advantages of being high in measuring precision, not prone to being blocked by silt, fast and convenient in data processing and the like.

Claims (7)

1. The water level pipe is characterized by comprising a cylindrical pipe body (1), wherein an upper pipe cover (2) is arranged at the upper end of the pipe body (1), and the upper pipe cover (2) is a step-shaped cylinder which is communicated up and down; the interface above the step of the upper tube cover (2) is connected with the hose (4) through a fastener; the lower end of the pipe body (1) is connected with a lower pipe cover (3), a water inlet (5) is arranged on the lower pipe cover (3), cobblestones (6) for filtering sundries are arranged in the lower pipe cover (3), and a filter screen (7) is arranged between the lower pipe cover (3) and the pipe orifice at the lower end of the pipe body (1); the filter screen (7) is arranged between the pipe body (1) and a gap at the joint of the upper pipe cover (2) and the lower pipe cover (3), and the filter screen is pressed, fixed and wrapped around the pipe body (1).

2. The water level pipe according to claim 1, wherein the pipe body (1) is threadedly connected to both the upper pipe cover (2) and the lower pipe cover (3).

3. The water level pipe of claim 1, wherein the fastener is a twisted wire.

4. The water level pipe as claimed in claim 1, wherein the fastening member is a C-shaped steel plate having a hole at each end, and the opening is screwed with a screw and a nut.

5. An underground water level hydraulic gradient measuring system in offshore tidal environment, which is characterized by comprising a row of water level monitoring holes dug inwards along the vertical line of a coastline, a water level pipe arranged in each water level monitoring hole and according to any one of claims 1 to 3, a water level sensor (8) placed at the bottom of the water level pipe, an automatic monitoring device (9) connected with all the water level sensors (8), and a data terminal (10) connected with the automatic monitoring device (9) in a wireless transmission manner and used for receiving and processing water level signals of the automatic monitoring device.

6. The system for measuring the hydraulic gradient of the groundwater level in an offshore tidal environment according to claim 5, further comprising an outer sleeve (11) having an inner diameter larger than the outer diameter of the water level pipe and sleeved on the outer layer of the upper end of the outer sleeve.

7. The offshore tidal environment groundwater level hydraulic gradient measurement system of claim 5, further comprising a locator bar (12) disposed beside the water level pipe, and a billboard or a warning light disposed on the locator bar (12).

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