Foundation pit drainage system

Abstract

The utility model discloses a foundation pit drainage system, and relates to the technical field of foundation pit construction. Comprising a side wall supporting plate which is arranged on the side wall of a foundation pit, and a plurality of water seepage holes are evenly distributed in the side wall supporting plate; the drainage ditches are formed in the periphery of the foundation pit, and the drainage ditches correspond to the side wall supporting plates; the water collecting grooves are formed in the corners of the foundation pit and communicate with the drainage ditches; the first end of the drainage pipe communicates with the water collecting tank, and the second end is located on the outer side of the foundation pit and connected with the water pump. The side wall of the foundation pit can be supported, and the safety of the foundation pit is improved; and water can be discharged, and erosion of rainwater and other water to the foundation pit is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foundation pit construction, especially relates to a foundation pit drainage system. BACKGROUND

[0002] The foundation pit is the soil pit that is excavated according to the foundation elevation and the foundation plane size at the foundation design position.If the foundation pit is low, the river water around the foundation pit, the precipitation and the rainwater stored after raining all can continuously infiltrate into the foundation pit through the soil, thereby affecting the normal construction, so that the foundation pit can be constructed under dry conditions, and the foundation pit is usually needed to be drained.

[0003] The existing foundation pit drainage method mainly comprises open ditch and water collecting well drainage, the open ditch is arranged on the side of the foundation pit, the water collecting well is arranged at the bottom of the open ditch, so as to gather water in the water collecting well, and then the water in the water collecting well is pumped away, but the water stored in the soil of the side wall of the foundation pit not only affects the normal construction of the project, but also erodes the soil structure around the foundation pit, and then can cause the damage of the foundation pit structure. SUMMARY

[0004] The utility model mainly aims at providing a foundation pit drainage system to solve the above problems.

[0005] To achieve the above purpose, the utility model provides a foundation pit drainage system, which comprises:

[0006] The side wall supporting plate is arranged on the side wall of the foundation pit, and a plurality of water infiltration holes are uniformly distributed on the side wall supporting plate;

[0007] The drainage ditch is arranged around the foundation pit, and the drainage ditch is arranged in correspondence with the side wall supporting plate;

[0008] The water collecting tank is arranged at the corner of the foundation pit and is communicated with the drainage ditch;

[0009] The first end of the drainage pipe is communicated with the water collecting tank, and the second end is located outside the foundation pit and is connected with the water pump.

[0010] Further, the top of the side wall supporting plate is provided with a horizontal plate, the horizontal plate is arranged on the soil body of the side wall of the foundation pit, a plurality of anchor fastenings are uniformly distributed on the side wall supporting plate and the horizontal plate, and the anchor fastenings are used for connecting the side wall supporting plate and the horizontal plate with the foundation pit.

[0011] Further, the water infiltration hole is sleeved with a water guide pipe, the first end of the water guide pipe extends into the side wall of the foundation pit, and the first end of the water guide pipe is inclined upward.

[0012] Further, a plurality of water guide holes are uniformly distributed on the side wall of the water guide pipe.

[0013] Further, one side of the water collecting tank is provided with a first filter tank in communication with the water collecting tank, and a first filter screen is arranged between the first filter tank and the water collecting tank.

[0014] Further, the bottom of the water collecting tank is provided with a filter plate, the filter plate is matched with the water collecting tank in size, and a plurality of winches are arranged around the water collecting tank, and the winches are connected with the filter plate through steel ropes.

[0015] Further, the water collecting tank is provided with two water collecting tanks, and the two water collecting tanks are located at opposite corners of the foundation pit respectively, and the drainage ditch is inclined towards the water collecting tank.

[0016] Further, the top of the drainage ditch is provided with a second filter screen.

[0017] The utility model has the following beneficial effects:

[0018] The utility model not only can support the side wall of the foundation pit, improves the safety of the foundation pit, can also discharge moisture, reduces the erosion of moisture such as rainwater to the foundation pit. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is whole schematic view of a kind of foundation pit drainage system of the utility model;

[0020] Fig. 2 It is water collecting tank schematic view of a kind of foundation pit drainage system of the utility model.

[0021] In the drawing: 1-side wall support plate;2-drainage ditch;3-water collecting tank;4-drain pipe;5-horizontal plate;6-anchor;7-water guide pipe;8-filter plate;9-winch. DETAILED DESCRIPTION

[0022] In order to achieve the above purpose and effect, the technical means and structure adopted by the utility model are described in detail in combination with the preferred embodiments of the utility model, and the characteristics and functions are described.

[0023] As shown in the accompanying Figs. 1-2 The utility model provides a kind of foundation pit drainage system, comprising:

[0024] Side wall support plate 1 is arranged on the side wall of foundation pit, supports the side wall of foundation pit, improves safety, and prevents foreign matter from rolling off from the side wall of foundation pit, and side wall support plate 1 is evenly distributed with a plurality of water seepage holes, so that moisture can leave through water seepage hole, avoid moisture accumulation;

[0025] Drainage ditch 2 is arranged around the foundation pit, and drainage ditch 2 is correspondingly arranged with side wall support plate 1;Drainage ditch 2 is used to collect water in foundation pit and seep out from water seepage hole.

[0026] A water collecting tank 3 is arranged at the corner of the foundation pit and communicates with the drainage ditch 2, so as to collect the water in the drainage ditch 2 and ensure the flow capacity of the drainage ditch 2.

[0027] A drain pipe 4 has a first end communicating with the water collecting tank 3 and a second end located outside the foundation pit and connected with a water pump. When the water collecting tank 3 is full, the construction personnel can start the water pump to pump the water collecting tank 3 through the drain pipe 4, so as to drain the water collected by the water collecting tank 3 to the outside of the foundation pit and ensure the water storage capacity of the water collecting tank 3.

[0028] Specifically, a water diversion ditch is arranged in the foundation pit and communicates with the drainage ditch 2, so as to pour the water in the foundation pit into the drainage ditch 2.

[0029] Specifically, the bottom of the drainage ditch 2 is inclined to the water collecting tank 3, so as to accelerate the flow speed of the water in the drainage ditch 2 to the water collecting tank 3 and ensure the drainage capacity in rainy weather.

[0030] Specifically, two water collecting tanks 3 are arranged at opposite corners of the foundation pit, so as to improve the water collecting capacity.

[0031] Specifically, the top of the drainage ditch 2 is provided with a second filter screen, so as to avoid foreign matters from entering the drainage ditch 2 and causing the drainage ditch to be blocked.

[0032] Specifically, the drainage ditch 2 is spaced apart from the side wall support plate 1 by more than 0.3 m, and a partition plate is arranged between the drainage ditch 2 and the side wall support plate 1.

[0033] In another embodiment, the top of the side wall support plate 1 is provided with a horizontal plate 5 arranged on the soil body of the side wall of the foundation pit, and a plurality of anchor members 6 are arranged on the side wall support plate 1 and the horizontal plate 5, and the anchor members 6 are used to connect the side wall support plate 1 and the horizontal plate 5 with the foundation pit. In this way, the fixing effect of the side wall support plate with the foundation pit is ensured, and the safety of the foundation pit is improved.

[0034] In another embodiment, a water guide pipe 7 is sleeved on the water seepage hole, the first end of the water guide pipe 7 extends into the side wall of the foundation pit, the second end of the water guide pipe 7 is located in the foundation pit, and the first end of the water guide pipe 7 is inclined upward. In this way, the water inside is guided into the foundation pit through the water guide pipe and enters the drainage ditch 2, and the drainage effect is improved.

[0035] Specifically, a plurality of water guide holes are uniformly arranged on the side wall of the water guide pipe 7. The drainage effect is further improved.

[0036] Specifically, a third filter screen is wound on the water guide pipe 7, so as to avoid the water guide pipe 7 and the water guide holes from being blocked.

[0037] In another embodiment, one side of the water collecting tank 3 is provided with a first filter tank in communication with the water collecting tank 3, and a first filter screen is arranged between the first filter tank and the water collecting tank 3. The water in the water collecting tank 3 can enter the first filter tank through the first filter screen, and the sundries in the water collecting tank 3 are blocked by the first filter screen. The first end of the drain pipe 4 is arranged in the first filter tank, so as to avoid the drain pipe 4 being blocked due to too much sundries in the water collecting tank 3, and ensure the drainage capacity.

[0038] Specifically, the first filter tank is further sequentially communicated with a plurality of filter tanks, and a filter screen is arranged between each filter tank, and the mesh of each filter screen is smaller than that of the previous filter screen, so that water flows with different degrees of clarity are obtained through layer-by-layer filtration, and construction personnel can suck the water flow in different filter tanks for drill rod cooling, mud pit and other work according to actual needs.

[0039] Specifically, the first end of the drain pipe 4 is a hose, and the construction personnel can communicate the drain pipe 4 with different filter tanks according to actual needs.

[0040] In another embodiment, the bottom of the water collecting tank 3 is provided with a filter plate 8, the size of the filter plate 8 is adapted to the water collecting tank 3, and a plurality of winches 9 are arranged around the water collecting tank 3. The winches 9 are connected with the filter plate 8 through steel ropes. When there are too many sundries in the water collecting tank 3, the construction personnel can operate the plurality of winches 9 to simultaneously wind the ropes, so that the filter plate 8 rises. The filter plate 8 will bring out the sundries in the water collecting tank 3 when it rises. The winches are stopped when the filter plate 8 extends to the top of the water collecting tank 3. At this time, the construction personnel can clean the sundries on the filter plate 8. After cleaning is completed, the winches 9 are operated again to lower the filter plate 8 until the filter plate 8 is reset.

[0041] The above only describes the preferred embodiments of the present application, not all embodiments, and anyone should know that any structural changes made under the guidance of the present application, any technical solutions similar or similar to the present application, all belong to the protection scope of the present application.

Claims

1. A foundation pit drainage system characterized by, Include: Side wall support plate (1), the side wall support plate (1) is arranged on the side wall of foundation pit, a plurality of water seepage holes are uniformly distributed on the side wall support plate (1); Drainage ditch (2), the drainage ditch (2) is arranged around the foundation pit, the drainage ditch (2) is correspondingly arranged with the side wall support plate (1); Water collecting tank (3), the water collecting tank (3) is arranged at the corner of foundation pit and communicates with the drainage ditch (2); Drainage pipe (4), the first end of the drainage pipe (4) communicates with the water collecting tank (3), and the second end is located outside the foundation pit and is connected with the water pump.

2. A foundation pit drainage system as claimed in claim 1, wherein, The top of the side wall support plate (1) is provided with a horizontal plate (5), the horizontal plate (5) is arranged on the soil body of the side wall of foundation pit, a plurality of anchoring elements (6) are uniformly distributed on the side wall support plate (1) and the horizontal plate (5), and the anchoring elements (6) are used for connecting the side wall support plate (1) and the horizontal plate (5) with the foundation pit.

3. A foundation pit drainage system as claimed in claim 1, wherein, The water seepage hole is sleeved with a water guide pipe (7), the first end of the water guide pipe (7) extends into the side wall of foundation pit, and the first end of the water guide pipe (7) is inclined upward.

4. A foundation pit drainage system as claimed in claim 3, wherein, The side wall of the water guide pipe (7) is uniformly provided with a plurality of water guide holes.

5. A foundation drainage system as claimed in claim 1 wherein, One side of the water collecting tank (3) is provided with a first filter tank communicating with the water collecting tank (3), and a first filter screen is arranged between the first filter tank and the water collecting tank (3).

6. A foundation drainage system as claimed in claim 1 wherein, The bottom of the water collecting tank (3) is provided with a filter plate (8), the size of the filter plate (8) is adapted to the water collecting tank (3), and a plurality of winches (9) are arranged around the water collecting tank (3), and the winches (9) are connected with the filter plate (8) through steel ropes.

7. A foundation drainage system as claimed in claim 1 wherein, The water collecting tank (3) is provided with two, and the two water collecting tanks (3) are respectively located at the opposite corners of the foundation pit, and the drainage ditch (2) is inclined towards the water collecting tank (3).

8. A foundation drainage system as claimed in claim 1 wherein, The top of the drainage ditch (2) is provided with a second filter screen.

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