Water collecting and draining device for deep foundation pit

Abstract

The utility model relates to a water collecting and draining device for a deep foundation pit, which comprises a box body, a water collecting and draining device and a water collecting and draining device, the water suction pump is arranged in the water storage space, the water suction pump is provided with a water inlet and a water outlet, the water outlet is formed in the water storage space, the water inlet is connected with a water suction pipe, and the water suction pipe extends out of the box body; the anti-impact filter screen is arranged in the water storage space and is positioned below the water outlet; the drainage pump is arranged in the water storage space, the drainage pump is connected with a drainage pipe, the drainage pipe extends out of the foundation pit, the structure is simple, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep foundation pit excavation technical field especially a deep foundation pit water collecting and draining device. BACKGROUND

[0002] In deep foundation pit excavation, often face the problem of water collecting and draining difficulty. The water collecting system and the drainage system have been a key content of deep foundation pit construction, and effective water collecting and draining can greatly improve the construction period of project earthwork excavation process.

[0003] The current construction usually adopts the method that: the water in the foundation pit is collected in one place by manual, and then is uniformly discharged, which is time-consuming and labor-consuming, and the discharged sewage contains a large amount of impurities, which may cause the pump to be blocked by discharging through the pump. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of prior art, providing a deep foundation pit water collecting and draining device, which extracts the water in the foundation pit through the water pump, sets the anti-impact filter screen below the water pump to filter the sand in the foundation pit, so as to avoid blocking the drainage pump.

[0005] The technical scheme for realizing the above-mentioned purpose is a deep foundation pit water collecting and draining device, which comprises:

[0006] A box body, a water storage space is formed in the box body;

[0007] A water pump is arranged in the water storage space, the water pump has a water inlet and a drainage outlet, the drainage outlet is arranged in the water storage space, the water inlet is connected with a water suction pipe, and the water suction pipe extends outside the box body;

[0008] An anti-impact filter screen is arranged in the water storage space and below the drainage outlet; and

[0009] A drainage pump is arranged in the water storage space, the drainage pump is connected with a drainage pipe, and the drainage pipe extends outside the foundation pit.

[0010] Further, an opening is formed in the top of the box body, the water suction pipe and the drainage pipe extend outside the box body through the opening.

[0011] Further, a cap is arranged on the top of the box body, and the cap covers the opening.

[0012] Further, the cap is provided with a through hole corresponding to the water suction pipe, and the water suction pipe passes through the through hole.

[0013] Further, the water pump is provided with three.

[0014] Further, the anti-impact filter screen is arranged obliquely.

[0015] Further, the top of the box is provided with a storage box, and the water suction pipe is arranged in the storage box.

[0016] Further, the size of the box is determined according to the construction requirements of the site.

[0017] Further, the drainage pump is arranged at the bottom of the box, and the drainage pump has a water suction port communicating with the water storage space.

[0018] Further, the length of the water suction pipe is determined according to the construction requirements of the site.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The water in the foundation pit is pumped out by the water pump, and the anti-impact filter screen is arranged below the water pump to filter the sand in the foundation pit, so as to avoid blocking the drainage pump, preferably, three water pumps are arranged to accelerate the pumping of the water in the foundation pit. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure diagram of a deep foundation pit water collecting and draining device.

[0022] Figure 2 It is a top view of a deep foundation pit water collecting and draining device.

[0023] Legend: 1, box; 2, drainage pump; 21, drainage pipe; 3, anti-impact filter screen; 4, water pump; 5, cap; 6, storage box. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings and specific embodiments.

[0025] Reference Figure 1 A deep foundation pit water collecting and draining device, including: box 1, water pump 4, anti-impact filter screen 3 and drainage pump 2;The water storage space is formed in the box 1;Water pump 4 is arranged in the water storage space, and the water pump 4 has water inlet and drainage port, the drainage port is arranged in the water storage space, the water inlet is connected with water suction pipe, and the water suction pipe extends outside the box 1;Anti-impact filter screen 3 is arranged in the water storage space and is located below the drainage port;And drainage pump 2 is arranged in the water storage space, and the drainage pump 2 is connected with drainage pipe 21, and the drainage pipe 21 extends outside the foundation pit.

[0026] In the utility model, a preferable embodiment is: in the excavation process of the foundation pit, a mounting pit is dug in the foundation pit, the box 1 is placed in the mounting pit, the drain pipe 21 is extended to outside the foundation pit, the water in the foundation pit is collected and concentrated in the water storage space in the box 1 by the water pump 4, the anti-impact filter screen 3 below the drain port can filter the concentrated water to prevent silt from blocking the drain pump 2, when the accumulated water in the water storage space reaches a certain amount, the water in the water storage space is discharged outside the foundation pit by the drain pump 2.

[0027] Further, a drainage ditch is arranged outside the foundation pit, the drainage ditch has a certain slope to facilitate water discharge, and the drain pipe 21 is arranged in the drainage ditch.

[0028] Further, the top of the box 1 is formed with an opening, and the water suction pipe and the drain pipe 21 extend outside the box 1 through the opening. The opening is convenient for construction personnel to clean the anti-impact filter screen 3.

[0029] Further, the top of the box 1 is provided with a cap 5, and the cap 5 covers the opening.

[0030] Further, the cap 5 is formed with a penetrating hole corresponding to the water suction pipe, and the water suction pipe penetrates the penetrating hole.

[0031] Further, the water pump 4 is provided with three. Three water pumps 4 are used to speed up the extraction of water in the foundation pit.

[0032] Further, the anti-impact filter screen 3 is arranged obliquely. The anti-impact filter screen 3 is arranged obliquely to reduce the impact of water flow on the anti-impact filter screen 3.

[0033] Preferably, a preferable embodiment is: the anti-impact filter screen 3 comprises an anti-impact frame fixed in the box 1 and a filter screen cloth sleeved on the anti-impact frame, and the anti-impact frame can be fixed in the box 1 by welding or by bolts.

[0034] Further, the top of the box 1 is provided with a storage box 6, and the water suction pipe is arranged in the storage box 6. The storage box 6 can store the idle water suction pipe, and when needed, the water suction pipe can be taken out to extract water in the foundation pit.

[0035] Further, the size of the box 1 is determined according to the construction requirements on site.

[0036] Further, the drain pump 2 is arranged at the bottom of the box 1, the drain pump 2 has a water suction port, and the water suction port communicates with the water storage space.

[0037] Further, the length of the water suction pipe is determined according to the construction requirements on site.

[0038] The use process of the deep foundation pit water collecting and draining device is described below.

[0039] During the excavation of the foundation pit, a mounting pit is dug in the foundation pit, the box body 1 is placed in the mounting pit, the drain pipe 21 is extended to outside of the foundation pit, the water in the foundation pit is collected and concentrated in the water storage space in the box body 1 by the water pumps 4, the anti-impact filter screen 3 below the drain port can filter the concentrated water to prevent the silt from blocking the drain pump 2, the multiple water pumps 4 accelerate the water extraction in the foundation pit, and when the accumulated water in the water storage space reaches a certain amount, the water in the water storage space is drained out of the foundation pit by the drain pump 2.

[0040] The utility model is described in detail above in combination with the embodiment of the drawings, and the person skilled in the art can make various change examples of the utility model according to the above description. Thus, certain details in the embodiment should not constitute the limitation of the utility model, and the protection scope of the utility model will be defined by the appended claims.

Claims

1. A deep foundation pit water collecting and draining device, characterized in that, The utility model relates to a water pumping device for a foundation pit, comprising: a box, a water storage space being formed in the box; a water pumping device arranged in the water storage space, the water pumping device having a water inlet and a water outlet, the water outlet being arranged in the water storage space, the water inlet being connected with a water pumping pipe, the water pumping pipe extending outside the box; a shockproof filter screen arranged in the water storage space and below the water outlet; and a water discharging device arranged in the water storage space, the water discharging device being connected with a water discharging pipe, the water discharging pipe extending outside the foundation pit. An opening is formed in the top of the box, the water pumping pipe and the water discharging pipe extending outside the box through the opening.

2. The water collecting and draining device for deep foundation pit according to claim 1, characterized in that: A cap is arranged on the top of the box, the cap covering the opening.

3. The water collecting and draining device for deep foundation pit according to claim 2, characterized in that: The cap is provided with a through hole corresponding to the water pumping pipe, the water pumping pipe passing through the through hole.

4. The water collecting and draining device for deep foundation pit according to claim 3, characterized in that: The water pumping device is provided with three.

5. The water collecting and draining device for deep foundation pit according to claim 1, characterized in that: The shockproof filter screen is arranged obliquely.

6. The water collecting and draining device for deep foundation pit according to claim 1, characterized in that: A storage box is arranged on the top of the box, the water pumping pipe being arranged in the storage box.

7. The water collecting and draining device for deep foundation pit according to claim 1, characterized in that: The size of the box is determined according to the construction requirement of the site.

8. The water collecting and draining device for deep foundation pit according to claim 1, characterized in that: The water discharging device is arranged at the bottom of the box, the water discharging device having a water suction port, the water suction port being communicated with the water storage space.

9. The water collecting and draining device for deep foundation pit according to claim 1, characterized in that: The length of the water pumping pipe is determined according to the construction requirement of the site.

10. The water collecting and draining device for deep foundation pit according to claim 1, characterized in that: ​

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