CN212927944U - Underground water pressure adjusting device in tunnel engineering - Google Patents
Underground water pressure adjusting device in tunnel engineering Download PDFInfo
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- CN212927944U CN212927944U CN202021368278.1U CN202021368278U CN212927944U CN 212927944 U CN212927944 U CN 212927944U CN 202021368278 U CN202021368278 U CN 202021368278U CN 212927944 U CN212927944 U CN 212927944U
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Abstract
The utility model relates to a groundwater water pressure regulating device among tunnel engineering, include: the water tank is provided with an opening at the top, a water inlet at the bottom and a water outlet at the middle part; the shape of the lower part of the water tank is matched with that of the pressure ball, and the pressure ball is attached to the inner wall of the water tank and then blocks the water inlet; the drainage water inlet pipe is a bent pipe comprising three right-angled bends, the outlet of the drainage water inlet pipe is upward and is connected with the water inlet of the water tank, and the inlet of the drainage water inlet pipe is communicated with a target water source; the pressure gauge and the first valve are arranged on the drainage water inlet pipe; the drainage water outlet pipe is a bent pipe comprising a right-angled bend, the inlet is connected with the water outlet of the water tank, and the outlet extends out of the tunnel; the second valve is arranged on the drainage water outlet pipe. The water pressure adjusting device can conveniently adjust the water pressure of underground water in real time, and ensures the safety of tunnel engineering.
Description
Technical Field
The utility model relates to a tunnel engineering technical field, in particular to groundwater water pressure adjusting device among tunnel engineering.
Background
In the occurrence environment of tunnel engineering, water-bearing strata such as water-rich zones and high water pressure zones often exist. For tunnel engineering, the water pressure in the water-containing stratum can generate extra external load on a supporting system of an engineering structure, so that the stress of the engineering structure is not facilitated; however, for surface or shallow structures, the water pressure of the groundwater may provide some support to the formation.
During the operation of the tunnel engineering, if underground water is directly plugged, the engineering structure is required to have higher bearing capacity, and the engineering cost is increased; if the existing drainage method is directly adopted to drain the underground water in the engineering area, although the measure is favorable for the stress and the engineering safety of the tunnel engineering structure, the obvious reduction of the underground water pressure can influence the supporting force of the shallow stratum of the engineering area, easily cause the subsidence of the earth surface or shallow building structures in the area near the engineering and influence the engineering safety.
At present, the underground water control method in tunnel engineering is difficult to realize real-time regulation of the water pressure of underground water.
SUMMERY OF THE UTILITY MODEL
The application provides a groundwater water pressure adjusting device among tunnel engineering, has solved or has partly solved the technical problem that the groundwater control method among the current tunnel engineering is difficult to realize adjusting groundwater water pressure in real time, has realized conveniently adjusting groundwater water pressure in real time, ensures tunnel engineering safety.
The application provides a groundwater water pressure regulating device among tunnel engineering includes: a water tank, a pressure ball, a drainage water inlet pipe, a drainage water outlet pipe, a pressure gauge, a first pipe valve and a second pipe valve,
the top of the water tank is open, the bottom of the water tank is provided with a water inlet, and the middle of the water tank is provided with a water outlet; the shape of the lower part of the water tank is matched with that of the pressure ball, and the pressure ball is attached to the inner wall of the water tank and then seals the water inlet;
drainage inlet tube is for the pipe of buckling that contains three quarter bend, includes: the end part vertical pipe section, the end part horizontal pipe section, the middle horizontal pipe section and the middle vertical pipe section; the outlet of the end vertical pipe section faces upwards and is connected with the water inlet of the water tank; the inlet of the end horizontal pipe section is communicated with a target water source, and the horizontal position of the inlet of the end horizontal pipe section is higher than the outlet of the end vertical pipe section;
the pressure gauge and the first pipe valve are arranged on the drainage water inlet pipe;
the drainage water outlet pipe is a bent pipe comprising a right-angled bend and comprises a horizontal section and a vertical section with a downward opening; an inlet at the end part of the horizontal section is connected with a water outlet of the water tank, and an outlet at the end part of the vertical section extends out of the tunnel;
the second pipe valve is arranged on the drainage water outlet pipe.
Preferably, the water tank is of a structure with a wide top and a narrow bottom, and comprises: the upper part of the hollow column body and the lower part of the cone body; the water outlet of the water tank is positioned at the joint of the upper part of the column body and the lower part of the cone, and the water inlet of the water tank is positioned at the bottom of the lower part of the cone.
Preferably, the water tank includes: the upper part of the hollow cylinder and the lower part of the cone.
Preferably, the pressure ball is a lead ball wrapped with a rubber layer.
Preferably, the method further comprises the following steps: the sand discharge pipe is connected with the sediment discharge port; the third pipe valve is arranged on the sand discharge pipe.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the water pressure adjusting device is composed of a water tank, a pressure ball, a drainage inlet pipe, a drainage outlet pipe, a pressure gauge, a first pipe valve and a second pipe valve, wherein an inlet of the drainage inlet pipe is communicated with a target water source, turbulent water flows through the pressure gauge, and the pressure gauge displays a current water pressure value. When rivers to the water inlet of water tank, rivers need to push up the pressure ball, just can get into in the water tank, make its laminating water tank bottom inner wall and the water inlet of shutoff water tank because of the action of gravity of pressure ball, consequently rivers need to consume more kinetic energy just can rush up the pressure ball and get into in the water tank here, when rivers rise gradually to drainage outlet pipe position, the rivers have comparatively gently, along with hydraulic constantly reducing, rivers are final not enough to push up the pressure ball, fall to the water pressure target value promptly, the device has successfully reduced the pressure value at target water source. The device can observe the state change of the water pressure only by observing the state of the pressure ball and the numerical value of the pressure gauge without excessive operation, so that the device is simple and easy to operate, and can effectively reduce the pressure of a target water source.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a front view of a structure of a groundwater pressure regulating device in tunnel engineering according to an embodiment of the present application;
fig. 2 is a top view of fig. 1.
(the parts represented by the reference numbers in the figure are 1 second pipe valve, 2 drainage outlet pipe, 3 water tank, 4 pressure ball, 5 water inlet, 6 pressure gauge, 7 third pipe valve, 8 sand discharge pipe, 9 first pipe valve, 10 drainage inlet pipe in sequence)
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 and 2, the present application provides a groundwater pressure regulating device in tunnel engineering, comprising: the device comprises a water tank 3, a pressure ball 4, a drainage water inlet pipe 10, a drainage water outlet pipe 2, a pressure gauge 6, a first pipe valve 9 and a second pipe valve 1.
The top of the water tank 3 is open, the bottom is provided with a water inlet 5, and the middle part is provided with a water outlet; the shape of the lower part of the water tank 3 is adapted to the shape of the pressure ball 4, and the water inlet 5 is sealed after the pressure ball 4 is attached to the inner wall of the water tank 3. In addition, a corresponding water pressure target value can be set by changing the weight of the pressure ball 4.
The pressure gauge 6 and the first pipe valve 9 are both arranged on the drainage water inlet pipe 10. The drainage water outlet pipe 2 is a bent pipe comprising a right-angled bend and comprises a horizontal section and a vertical section with a downward opening; the end inlet of the horizontal section is connected with the water outlet of the water tank 3, and the end outlet of the vertical section extends out of the tunnel. The second pipe valve 1 is arranged on the drainage water outlet pipe 2.
Further, the water tank 3 is a structure with a wide top and a narrow bottom, and comprises: the upper part of the hollow column body and the lower part of the cone body; the water outlet of the water tank 3 is positioned at the joint of the upper part of the column body and the lower part of the cone, and the water inlet of the water tank 3 is positioned at the bottom of the lower part of the cone. As a preferred embodiment, the water tank 3 includes: the upper part of the hollow cylinder and the lower part of the cone. The pressure ball 4 is a shot wrapped with a rubber layer.
Further, the method also comprises the following steps: a sand discharge pipe 8 and a third pipe valve 7, wherein a sediment discharge opening is formed in the middle horizontal pipe section of the drainage water inlet pipe 10, and the sand discharge pipe 8 is connected with the sediment discharge opening; the third pipe valve 7 is arranged on the sand discharge pipe 8.
The implementation process of the water pressure regulating device comprises the following steps:
firstly, the first pipe valve 9, the second pipe valve 1 and the third pipe valve 7 are closed, then the right port of the drainage inlet pipe 10 is inserted into a target water source, the first pipe valve 9 is opened, turbulent water flows through the pressure gauge 6, and the reading of the pressure gauge 6 at the moment is recorded.
Torrent rivers flow to water inlet 5, push up pressure ball 4 and open, and water does not have in water tank 3 when to drainage outlet pipe 2 department, opens second pipe valve 1, and the gentle rivers of drainage outlet pipe 2 discharge this moment.
When the water flow from the drainage inlet pipe 10 is not enough to push the pressure ball 4 into the water tank 3, the reading of the pressure gauge 6 at this time is recorded, and then the second pipe valve 1 and the first pipe valve 9 are closed, or the second pipe valve 1 and the first pipe valve 9 are closed when the water flow from the drainage inlet pipe 10 reaches the target water pressure by observing the reading of the pressure gauge 6, and the device is removed from the target water source.
The device is to periodically drain silt carried by water flow, close the second pipe valve 1, open the third pipe valve 7 and the first pipe valve 9, inject water flow from the right port of the drainage water inlet pipe 10, discharge the silt attached to the inner wall of the drainage water inlet pipe 10 from the sand discharge pipe 8 by using the water flow, and repeat the operation until the silt attached to the inner wall of the drainage water inlet pipe 10 is drained.
By adopting the water pressure adjusting device consisting of the water tank 3, the pressure ball 4, the drainage inlet pipe 10, the drainage outlet pipe 2, the pressure gauge 6, the first pipe valve 9 and the second pipe valve 1, the inlet of the drainage inlet pipe 10 is communicated with a target water source (tunnel underground water), turbulent water flows through the pressure gauge 6, and the pressure gauge 6 displays the current water pressure value. When rivers to water tank 3's water inlet 5, rivers need to push up pressure ball 4, just can get into in the water tank 3, make its laminating water tank 3 bottom inner wall and the water inlet 5 of shutoff water tank 3 because of the action of gravity of pressure ball 4, consequently rivers need to consume more kinetic energy here and just can dash pressure ball 4 and get into in the water tank 3, when rivers rise gradually to drainage outlet pipe 2 position, the rivers have comparatively gently, along with hydraulic constantly reducing, rivers are finally not enough to push up pressure ball 4, fall to the water pressure target value promptly, the device has successfully reduced the pressure value at target water source. The device can observe the state change of the water pressure only by observing the state of the pressure ball 4 and the numerical value of the pressure gauge 6 without excessive operation, so that the device is simple and easy to operate, and can effectively reduce the pressure of a target water source.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a groundwater water pressure regulating device among tunnel engineering which characterized in that includes: a water tank, a pressure ball, a drainage water inlet pipe, a drainage water outlet pipe, a pressure gauge, a first pipe valve and a second pipe valve,
the top of the water tank is open, the bottom of the water tank is provided with a water inlet, and the middle of the water tank is provided with a water outlet; the shape of the lower part of the water tank is matched with that of the pressure ball, and the pressure ball is attached to the inner wall of the water tank and then seals the water inlet;
drainage inlet tube is for the pipe of buckling that contains three quarter bend, includes: the end part vertical pipe section, the end part horizontal pipe section, the middle horizontal pipe section and the middle vertical pipe section; the outlet of the end vertical pipe section faces upwards and is connected with the water inlet of the water tank; the inlet of the end horizontal pipe section is communicated with a target water source, and the horizontal position of the inlet of the end horizontal pipe section is higher than the outlet of the end vertical pipe section;
the pressure gauge and the first pipe valve are arranged on the drainage water inlet pipe;
the drainage water outlet pipe is a bent pipe comprising a right-angled bend and comprises a horizontal section and a vertical section with a downward opening; an inlet at the end part of the horizontal section is connected with a water outlet of the water tank, and an outlet at the end part of the vertical section extends out of the tunnel;
the second pipe valve is arranged on the drainage water outlet pipe.
2. The groundwater pressure regulating device as claimed in claim 1, wherein the water tank has a wide top and narrow bottom structure, comprising: the upper part of the hollow column body and the lower part of the cone body; the water outlet of the water tank is positioned at the joint of the upper part of the column body and the lower part of the cone, and the water inlet of the water tank is positioned at the bottom of the lower part of the cone.
3. The groundwater pressure regulating device in a tunnel project as claimed in claim 2,
the water tank includes: the upper part of the hollow cylinder and the lower part of the cone.
4. The groundwater pressure regulating device as claimed in claim 1, wherein the pressure ball is a lead ball coated with a rubber layer.
5. The groundwater pressure regulating device in a tunnel project as claimed in claim 1, further comprising: the sand discharge pipe is connected with the sediment discharge port; the third pipe valve is arranged on the sand discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368278.1U CN212927944U (en) | 2020-07-13 | 2020-07-13 | Underground water pressure adjusting device in tunnel engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368278.1U CN212927944U (en) | 2020-07-13 | 2020-07-13 | Underground water pressure adjusting device in tunnel engineering |
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| Publication Number | Publication Date |
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| CN212927944U true CN212927944U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021368278.1U Active CN212927944U (en) | 2020-07-13 | 2020-07-13 | Underground water pressure adjusting device in tunnel engineering |
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| CN (1) | CN212927944U (en) |
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2020
- 2020-07-13 CN CN202021368278.1U patent/CN212927944U/en active Active
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