CN214005710U

CN214005710U - Well point dewatering centralized drainage structure and drainage system

Info

Publication number: CN214005710U
Application number: CN202022810234.6U
Authority: CN
Inventors: 朱庆庆; 侯兆隆; 渠凯; 尹星; 张何; 卫小略; 李文强
Original assignee: Road and Bridge International Co Ltd; China Communications Road and Bridge North China Engineering Co Ltd
Current assignee: Road and Bridge International Co Ltd; China Communications Road and Bridge North China Engineering Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-20
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a well point dewatering centralized drainage structure, which comprises a dewatering pipe well, a centralized drainage pipe, a branch pipe and a pumping device; the centralized drainage pipe is arranged outside the downcomer well, one end of the centralized drainage pipe is closed, the other end of the centralized drainage pipe is opened, a plurality of branch pipes are arranged on the centralized drainage pipe, and the branch pipes respectively extend to the positions below the liquid level of the corresponding downcomer well and are provided with water pumping devices. The water pumping device provides water pressure to pump water in the dewatering well to the centralized drainage pipe through the branch pipes, the water pressure of the branch pipes is superposed to provide drainage power for the centralized drainage pipe, and the water is discharged from an opening of the centralized drainage pipe. The branch pipes are used for intensively discharging water in the downcomer well to the centralized drainage pipe and then uniformly discharging the water from the opening of the centralized drainage pipe, and compared with the traditional method for discharging water by using a single pipeline at each well point, the method has the following advantages: (1) arranging pipelines in order; (2) the pipe is saved, and the construction cost is favorably reduced; (3) is favorable for overall management. In addition, a drainage system is also provided.

Description

Well point dewatering centralized drainage structure and drainage system

Technical Field

The utility model relates to a construction field particularly, relates to a drainage structures and drainage system are concentrated to well point dewatering.

Background

The bridge bearing platform is an important structure of the bridge and is mostly buried underground. Therefore, the construction of the bearing platform must carry out the excavation work of the foundation pit. As the water resources in the eastern coastal region of China are particularly rich, the underground water level is higher. In order to ensure the normal operation of construction and the safety of constructors, a foundation pit well point dewatering process is often used in the excavation or supporting process of a foundation pit.

It is common to equip each well-point downcomer well with a separate small diameter pipe for drainage, which has the disadvantages of:

(1) each well point downcomer well needs to use a separate pipeline to lead water to a water outlet, and the pipeline arrangement is disordered;

(2) each well point downcomer well needs to use a separate pipeline to lead water to a water outlet, so that more pipes are consumed, and the construction cost is slightly higher;

(3) each well point downcomer well needs to use an independent pipeline to lead water to a water outlet, so that centralized management is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage structures is concentrated to well point precipitation to solve foretell problem.

In order to realize the above purpose of the utility model, adopt the following technical scheme:

a well point dewatering centralized drainage structure comprises a dewatering pipe well, a centralized drainage pipe, branch pipes and a pumping device;

the centralized drainage pipe is arranged outside the downcast well, one end of the centralized drainage pipe is closed, the other end of the centralized drainage pipe is opened, a plurality of branch pipes are arranged on the centralized drainage pipe, and the plurality of branch pipes respectively extend to the positions below the liquid level of the downcast well and are provided with the water pumping devices.

Further, the centralized drain pipe comprises a pipe body and a three-way valve, the pipe body and the three-way valve are multiple, the pipe body is sequentially connected through two liquid outlets of the three-way valve, and the branch pipes are respectively connected with the liquid inlets of the three-way valve.

Furthermore, a non-return mechanism is arranged between the branch pipe and the liquid inlet of the three-way valve.

Further, the check mechanism adopts a ball check valve.

Further, the water pumping device is a submersible pump.

Further, still include the catch basin, the opening of centralized drain pipe with the catch basin is connected.

Further, the pipe diameter of branch pipe is less than the pipe diameter of centralized drain pipe.

Further, the branch pipe is a hose.

Further, the pipe body is a hose.

In order to achieve the above object, according to another aspect of the present application, there is provided a drainage system including the above well point precipitation concentrating drainage structure.

Compared with the prior art, the well point dewatering centralized drainage structure has the following beneficial effects:

water in the downcomer well is pumped to the centralized drainage pipe through the branch pipes by the water pressure provided by the water pumping device, and the water pressure of the branch pipes is superposed to provide drainage power for the centralized drainage pipe so as to discharge the water from the opening of the centralized drainage pipe.

The branch pipes are used for intensively discharging water in the downcomer well to the centralized drainage pipe and then uniformly discharging the water from the opening of the centralized drainage pipe, and compared with the traditional method for discharging water by using a single pipeline at each well point, the method has the following advantages:

(1) a centralized drainage pipe is adopted for drainage, and the arrangement of pipelines is well-ordered;

(2) the centralized drainage pipe is adopted for drainage, so that pipes are saved, and the construction cost is favorably reduced;

(3) and the centralized drainage pipe is adopted for drainage, so that overall management is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the utility model provides a well point precipitation centralized drainage structure's schematic diagram.

Fig. 2 is the utility model provides a connection relation sketch map of centralized drain pipe and escape canal.

Fig. 3 is the connection relationship diagram of the non-return mechanism and the three-way valve provided by the utility model.

Reference numerals: 1-a downcomer well; 2-centralized drainage pipe; 3-branch pipe; 4, a water pumping device; 21-a pipe body; 22-three-way valve; 5-a non-return mechanism; 6, collecting water channels; 221-a liquid outlet; 222-a liquid inlet; 7-liquid level.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-3, the well point precipitation centralized drainage structure of the present application comprises a precipitation pipe well 1, a centralized drainage pipe 2, a branch pipe 3 and a pumping device 4;

the centralized drainage pipe 2 is arranged outside the downcomer well 1, one end of the centralized drainage pipe 2 is closed, the other end of the centralized drainage pipe is opened, a plurality of branch pipes 3 are arranged on the centralized drainage pipe 2, and the branch pipes 3 respectively extend to the positions below the liquid level 7 of the corresponding downcomer well 1 and are provided with the water pumping device 4.

Specifically, the central drain pipe 2 includes a plurality of pipe bodies 21 and three-way valves 22, the pipe bodies 21 and the three-way valves 22 are both plural, the plurality of pipe bodies 21 are sequentially connected through two liquid outlets 221 of the plurality of three-way valves 22, and the plurality of branch pipes 3 are respectively connected with liquid inlets 222 of the three-way valves 22.

Specifically, a check mechanism 5 is installed between the branch pipe 3 and the liquid inlet 222 of the three-way valve 22.

When the single downcast pipe well 1 does not need to be drained, the water pumping device 4 can be directly closed, and the check mechanism 5 plays a water stopping effect at the moment, so that water in the centralized drainage pipe 2 is prevented from flowing back into the downcast pipe well 1.

Specifically, the check mechanism 5 employs a ball check valve.

In particular, the pumping device 4 is a submersible pump.

Specifically, a water collecting ditch 6 is further included, the opening of the concentration drain pipe 2 is connected with the water collecting ditch 6, and the water in the concentration drain pipe 2 is discharged to the water collecting ditch 6.

Specifically, the pipe diameter of the branch pipe 3 is smaller than that of the central drain pipe 2.

In particular, the branch 3 is a hose.

Specifically, the tube body 21 is a hose.

The branch pipe 3 and the pipe body 21 are both flexible pipes, so that the water mobility is facilitated when the water pumping device 4 works.

The application also provides a drainage system, including foretell well point precipitation centralized drainage structure.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A well point dewatering centralized drainage structure is characterized by comprising a dewatering pipe well, a centralized drainage pipe, branch pipes and a pumping device;

2. The well point precipitation centralized drainage structure according to claim 1, wherein the centralized drainage pipe comprises a plurality of pipes and a plurality of three-way valves, the plurality of pipes are sequentially connected through two liquid outlets of the plurality of three-way valves, and the plurality of branch pipes are respectively connected with the liquid inlets of the three-way valves.

3. The well point precipitation centralized drainage structure as claimed in claim 2, wherein a check mechanism is installed between the branch pipe and the liquid inlet of the three-way valve.

4. The well point precipitation concentrating drainage structure according to claim 3, wherein said check mechanism is a ball check valve.

5. The well point precipitation concentrating drainage structure according to claim 1, wherein the water pumping device is a submersible pump.

6. The well point precipitation concentrated drainage structure of claim 1, further comprising a catchment ditch, the opening of the concentrated drainage pipe being connected with the catchment ditch.

7. The well point precipitation centralized drainage structure according to claim 1, wherein a pipe diameter of the branch pipe is smaller than that of the centralized drainage pipe.

8. The well point precipitation concentrating drainage structure of claim 1, wherein said branch pipe is a hose.

9. The well point precipitation concentrating drainage structure of claim 2, wherein said pipe body is a hose.

10. A drainage system comprising the well point precipitation concentrating drainage structure of any one of claims 1 to 9.