CN209779656U

CN209779656U - Recharge device for preventing peripheral settlement of foundation pit dewatering

Info

Publication number: CN209779656U
Application number: CN201822192680.8U
Authority: CN
Inventors: 罗亚强; 李绍平; 邱艺
Original assignee: China Construction Sixth Engineering Division Co Ltd
Current assignee: China Construction Sixth Engineering Division Co Ltd
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2019-12-13
Anticipated expiration: 2028-12-24

Abstract

The utility model provides a recharge device for preventing the peripheral settlement against the foundation pit dewatering, which comprises a dewatering well and a recharge well; a water pumping and purifying mechanism is arranged on the dewatering well; and the recharging well is provided with a recharging mechanism which is connected with the water pumping and purifying mechanism through a pipeline. The utility model has simple structure, low cost and high reliability, can greatly improve the efficiency of rainfall recharge, and can be suitable for the rainfall operation of various building foundation pits; the branch pipe and the recharge well can be hermetically connected by arranging the large pipe changing head and the small pipe changing head on the branch pipe, so that water is prevented from overflowing, and the infiltration speed of water is accelerated to a certain extent; through set up the blast pipe on house steward, make the blast pipe can be at house steward to the in-process exhaust of branch pipe water delivery, make water can be fast and even each branch pipe of being full of to make water can be smooth flow into the recharging well through the branch pipe, further accelerate the recharging speed of water.

Description

recharge device for preventing peripheral settlement of foundation pit dewatering

Technical Field

The invention belongs to the field of constructional engineering, and particularly relates to a recharging device for preventing peripheral settlement aiming at foundation pit dewatering.

Background

In the process of foundation pit engineering construction, foundation pit dewatering work is an important process for ensuring the safety and smooth construction of foundation pit engineering construction, but the water level under the periphery can be settled to a certain extent while the foundation pit dewatering construction is carried out, so that certain influence is caused on the peripheral structures, the water level under the periphery needs to be refilled at this time, the height of the water level of the peripheral underground water is ensured, and therefore the influence on the peripheral structures is reduced. When the traditional process is used for recharging, the recharging is generally carried out by directly injecting water into the recharging well, the phenomena of insufficient water pressure and slow water falling in the recharging well often occur, meanwhile, the switch of the recharging water needs to be manually controlled, the time and the labor are wasted, and the work efficiency is low. Therefore, a recharging device which has the advantages of simple structure, convenience in installation, simplicity in operation, simplicity in maintenance, high recharging efficiency and capability of recycling water resources is needed to be matched in the foundation pit dewatering construction process.

Disclosure of Invention

In view of the above, the present invention provides a recharging device for preventing the surrounding settlement of the foundation pit from lowering the water level.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

A recharge device for preventing peripheral settlement aiming at foundation pit dewatering comprises a dewatering well and a recharge well; a water pumping and purifying mechanism is arranged on the dewatering well; the recharging well is provided with a recharging mechanism which is connected with the water pumping and purifying mechanism through a pipeline; the water pumping and purifying mechanism comprises a water pumping pump arranged in the dewatering well and a water purifying assembly arranged on the ground, and the water purifying assembly comprises a precipitation bucket communicated with the water pumping pump and a clear water bucket connected with the precipitation bucket; the sedimentation water bucket is connected with the clear water bucket through a connecting pipe, and a filter screen is arranged on the connecting pipe; the recharging mechanism comprises a main pipe connected with the clear water barrel and a plurality of branch pipes arranged on the main pipe, wherein a large pipe changing head and a small pipe changing head are arranged at one end of each branch pipe extending into the recharging well; the position of the main pipe corresponding to the branch pipe is provided with a drainage component, and one side of the main pipe, which is different from the branch pipe, is provided with an exhaust pipe.

Furthermore, a valve is arranged at one end of the main pipe corresponding to the clear water barrel.

Furthermore, a liquid level sensor connected with a water suction pump is arranged on the sedimentation water bucket.

Further, the drainage assembly comprises a drainage plate which is arranged in the header pipe in a rotating mode and corresponds to the water inlet of the branch pipe, and the drainage plate is vertically arranged on the header pipe through a spring hinge.

furthermore, the main pipe is provided with an adjusting screw for adjusting the rotation angle of the drainage plate, and one end of the adjusting screw extending into the main pipe props against the drainage plate.

Compared with the prior art, the invention has the following advantages:

The invention has simple structure, low cost and high reliability, can greatly improve the efficiency of rainfall recharge, and can be suitable for rainfall operation of various building foundation pits; the branch pipe and the recharge well can be hermetically connected by arranging the large pipe changing head and the small pipe changing head on the branch pipe, so that water is prevented from overflowing, and the infiltration speed of water is accelerated to a certain extent; through set up the blast pipe on house steward, make the blast pipe can be at house steward to the in-process exhaust of branch pipe water delivery, make water can be fast and even each branch pipe of being full of to make water can be smooth flow into the recharging well through the branch pipe, further accelerate the recharging speed of water.

According to the invention, the drainage assembly is arranged on the main pipe, so that water can quickly fill all parts of the main pipe after entering the main pipe, the water amount in each branch pipe is more balanced, the synchronism of recharging of each branch pipe is improved, and the recharging efficiency of the device is improved; not only can make the more even inflow branch pipe of rivers through setting up the drainage plate to operating personnel can also make the drainage plate block up the branch pipe water inlet completely through rotating adjusting screw, thereby makes things convenient for operating personnel to maintain or change the branch pipe, greatly reduced the maintenance degree of difficulty of branch pipe, and then improved the maintainability of device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of a drainage assembly in an embodiment of the invention.

Description of reference numerals:

1-dewatering well; 2-a water pump; 3-a settling bucket; 4-clear water barrel; 5-connecting pipe; 6, filtering a screen; 7-a liquid level sensor; 8-a valve; 9-header pipe; 10-an exhaust pipe; 11-branch pipe; 12-large and small tube changing heads; 13-recharging the well; 14-a drainage plate; 15-spring hinge; 16-adjusting screws.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A recharging device for preventing peripheral settlement against foundation pit precipitation is shown in figures 1 and 2 and comprises a precipitation well 1 and a recharging well 13; a water pumping and purifying mechanism is arranged on the dewatering well 1; the recharging well 13 is provided with a recharging mechanism which is connected with the water pumping and purifying mechanism through a pipeline; the water pumping and purifying mechanism comprises a water pumping pump 2 arranged in the precipitation well 1 and a water purifying assembly arranged on the ground, and the water purifying assembly comprises a precipitation bucket 3 communicated with the water pumping pump 2 and a clear water bucket 4 connected with the precipitation bucket 3; the sedimentation water bucket 3 is connected with the clear water bucket 4 through a connecting pipe 5, and a filter screen 6 is arranged on the connecting pipe 5; the recharging mechanism comprises a main pipe 9 connected with the clear water barrel 4 and a plurality of branch pipes 11 arranged on the main pipe 9, wherein one end of each branch pipe 11 extending into the recharging well is provided with a large pipe changing head 12 and a small pipe changing head 12; a drainage component is arranged on the main pipe corresponding to the branch pipe, and an exhaust pipe 10 is arranged on one side of the main pipe, which is different from the branch pipe; the big pipe and the small pipe can adopt the existing water pipe reducer union, and the branch pipe and the recharge well can be hermetically connected by arranging the big pipe and the small pipe 12, so that the water is prevented from overflowing.

In an optional embodiment, the large and small pipe changing heads 12 can be further provided with water pipes, the diameter of each water pipe is larger than that of each branch pipe, the water yield of the branch pipes can be greatly increased by arranging the water pipes with larger diameters, and water can be quickly recharged into the recharging well 13; and through set up blast pipe 10 on house steward, blast pipe 10 can be at house steward in-process exhaust to the branch pipe water delivery, make each branch pipe that water can be fast and even be full of to make water can be smooth flow into recharging well 13 through the branch pipe, further accelerate the recharging speed of water.

A valve 8 is arranged at one end of the main pipe 9 corresponding to the clear water barrel; the valve 8 can adopt the existing gate valve or butterfly valve, so long as the control of the main pipe for water drainage can be realized, and the water yield of the main pipe can be controlled by arranging the valve 8, so that the total water yield in the main pipe and the branch pipes can be controlled; the blast pipe can also adopt transparent plastic tubing, because the blast pipe is connected with the house steward, can also the water pressure in house steward and the branch pipe through looking over the water level height in the blast pipe to make things convenient for operating personnel in good time to adjust the gate, ensure that the device can not the overload operation, avoid the device to damage.

The water pump 2 can adopt an existing water pump; a liquid level sensor 7 connected with a water pump is arranged on the precipitation bucket 3; the water pumping pump is controlled by the liquid level sensor 7 as the prior art, which is not described herein again, as long as the water can be automatically stored in the precipitation water tank 3 when the water level in the precipitation water tank 3 is too low; the sedimentation water bucket and the clear water bucket can be arranged at positions higher than the ground level, for example, 2-3 meters above the ground level, so that water can conveniently flow into the main pipe; after the water level of the sedimentation bucket reaches a certain height, water flow can flow into the clear water bucket through the connecting pipe, and the filter screen 6 on the connecting pipe can effectively filter impurities in water, so that the blockage of the main pipe by the impurities is avoided.

The drainage assembly comprises a drainage plate 14 which is rotatably arranged in the main pipe 9 corresponding to the water inlet of the branch pipe, the drainage plate 14 is vertically arranged on the main pipe through a spring hinge 15, and the drainage plate 14 can also be arranged on the main pipe through a torsion spring; the drainage plate can play a role in shunting and limiting flow, and the drainage plate 14 can play a certain role in blocking the water inlets of the branch pipes, so that water flow can start to flow into the branch pipes after flowing into all parts of the main pipe fully, and the water amount in each branch pipe is more balanced; and the turned angle can be adjusted by oneself according to rivers impact force size to the drainage plate, and when rivers assaulted the drainage plate, the drainage plate can rotate to the branch pipe water inlet under the effect of impact force, and then suitably blocks up the water inlet, makes rivers continue to flow to other positions of house steward and flows, and after the water yield equilibrium of drainage plate both sides, the drainage plate can reset under the effort that the spring resets, makes rivers can get into the branch pipe smoothly.

the main pipe 9 is provided with an adjusting screw 16 for adjusting the rotation angle of the drainage plate, and one end of the adjusting screw 16 extending into the main pipe props against the drainage plate; an operator can control the length of the adjusting screw extending into the main pipe by rotating the adjusting screw 16, so that the opening degree of the drainage plate is controlled, the drainage plate can rotate within a certain range, and water flow can easily enter other positions of the main pipe through the drainage plate; an operator can completely block the water inlet of the branch pipe by rotating the adjusting screw, so that the branch pipe is convenient to maintain or replace by the operator, the maintenance difficulty of the branch pipe is greatly reduced, and the maintainability of the device is improved.

The invention has simple structure, low cost and high reliability, can greatly improve the efficiency of rainfall recharge, and can be suitable for rainfall operation of various building foundation pits; the branch pipe can be hermetically connected with the recharge well 13 by arranging the large and small pipe changing heads on the branch pipe, so that water overflow is avoided, and the infiltration speed of water is accelerated to a certain extent; through set up the blast pipe on house steward, make the blast pipe can be at house steward to the in-process exhaust of branch pipe water delivery, make water can be fast and even each branch pipe of being full of to make water can be smooth flow into the recharging well through the branch pipe, further accelerate the recharging speed of water.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. The utility model provides a prevent recharge device that peripheral subsides to foundation ditch precipitation which characterized in that: comprises a dewatering well and a recharging well; a water pumping and purifying mechanism is arranged on the dewatering well; the recharging well is provided with a recharging mechanism which is connected with the water pumping and purifying mechanism through a pipeline; the water pumping and purifying mechanism comprises a water pumping pump arranged in the dewatering well and a water purifying assembly arranged on the ground, and the water purifying assembly comprises a precipitation bucket communicated with the water pumping pump and a clear water bucket connected with the precipitation bucket; the sedimentation water bucket is connected with the clear water bucket through a connecting pipe, and a filter screen is arranged on the connecting pipe; the recharging mechanism comprises a main pipe connected with the clear water barrel and a plurality of branch pipes arranged on the main pipe, wherein a large pipe changing head and a small pipe changing head are arranged at one end of each branch pipe extending into the recharging well; the position of the main pipe corresponding to the branch pipe is provided with a drainage component, and one side of the main pipe, which is different from the branch pipe, is provided with an exhaust pipe.

2. The device of claim 1, wherein the device is adapted to prevent perimeter settlement from precipitation in a foundation pit, and further comprising: and a valve is arranged at one end of the main pipe corresponding to the clear water barrel.

3. The device of claim 1, wherein the device is adapted to prevent perimeter settlement from precipitation in a foundation pit, and further comprising: and a liquid level sensor connected with a water suction pump is arranged on the sedimentation water bucket.

4. The device of claim 1, wherein the device is adapted to prevent perimeter settlement from precipitation in a foundation pit, and further comprising: the drainage assembly comprises a drainage plate which is arranged in the header pipe in a rotating mode and corresponds to a water inlet of the branch pipe, and the drainage plate is vertically arranged on the header pipe through a spring hinge.

5. The device of claim 4, wherein the device is used for preventing perimeter settlement from precipitation of the foundation pit, and comprises: be equipped with the adjusting screw who is used for adjusting drainage plate turned angle on the house steward, the one end that adjusting screw stretched into house steward withstands the drainage plate.