CN214089936U

CN214089936U - Dewatering well

Info

Publication number: CN214089936U
Application number: CN202022684835.7U
Authority: CN
Inventors: 王中华; 王运东; 孟祥奇; 齐东恺
Original assignee: Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-31
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a precipitation well, precipitation pipe (1), the suit that has inlet opening (5) including the lateral wall lower part in precipitation pipe (1) upper portion and with the lateral wall welded connection's of precipitation pipe (1) stagnant water ring (2), connect in ring flange (3) of precipitation pipe (1) upper end, after precipitation pipe (1), sealing plate, ring flange (3) are connected will the lower part of precipitation pipe (1) is buried underground around the foundation ditch, the upper end of ring flange (3) has neck mouth (4), be connected with the block on neck mouth (4), neck mouth (4) with the block is for can dismantling the connection, and the drinking-water pipe of pumping equipment can stretch into in neck mouth (4). The dewatering well is simple to operate, free of potential safety hazards, controllable in quality, free of the need of a water pump to be kept, and capable of dewatering and relieving pressure in the later period.

Description

Dewatering well

Technical Field

The utility model relates to a construction technical field especially relates to a precipitation well.

Background

Well point dewatering is a method for artificially lowering the underground water level, so the well point dewatering is also called as a well point dewatering method. Before the foundation pit is excavated, a certain number of water filter pipes (wells) are buried around the foundation pit, and water is pumped by using a water pumping device to keep the excavated soil in a dry state all the time.

The well point dewatering is used in the construction environment with high underground water level, and is an important technical measure in the construction of earthwork, foundation and foundation engineering, which can drain the water in the foundation soil, promote the consolidation of soil body, improve the strength of foundation, reduce the lateral displacement and settlement of soil body of soil slope, stabilize the side slope, eliminate sand drift, reduce the uplift of foundation soil, avoid the influence of underground water in the construction of foundation and foundation engineering below natural underground water, provide drier construction conditions, reduce the amount of earthwork, shorten construction period, improve engineering quality and ensure construction safety.

In the prior art, the dewatering well is plugged by welding a water stop steel plate, so that water carrying operation often exists during welding, the operation environment is complex, water and electricity are staggered, and a large potential safety hazard exists; meanwhile, the welding quality of the water stop steel plate is difficult to control, and the possibility of leakage exists; after the water stop steel plate is welded, the sealed concrete can not be used for dewatering work any more, and the pressure relief effect can not be achieved.

In summary, how to effectively solve the problems of potential safety hazard, uncontrollable quality, possible leakage and the like of the dewatering well is a problem which needs to be solved urgently by technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a precipitation well, this precipitation well easy operation, no potential safety hazard, the quality is controllable, need not to keep somewhere the water pump, but later stage precipitation pressure release.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a precipitation well, including the lateral wall lower part have inlet opening precipitation pipe, suit in precipitation pipe upper portion and with the lateral wall welded connection's of precipitation pipe stagnant water ring, connect in the ring flange of precipitation pipe upper end, will after precipitation pipe, stagnant water board, ring flange are connected the lower part of precipitation pipe is buried underground around the foundation ditch, the upper end of ring flange has the neck mouth, be connected with the block on the neck mouth, the neck mouth with the block is for dismantling the connection, and pumping equipment's drinking-water pipe can stretch into in the neck mouth.

Preferably, the flange plate comprises a first flange welded to the upper end face of the downcomer and a second flange connected with the first flange through bolts, and the neck opening is formed in the second flange.

Preferably, a rubber gasket is connected between the first flange and the second flange.

Preferably, the upper part of the neck opening is provided with external threads, and the capping cap is a screw cap matched with the neck opening.

Preferably, the downcomer, the water stop plate and the flange are all made of stainless steel.

Preferably, the downcast pipe and the flange plate and the downcast pipe and the water stop plate are welded through full welding.

Preferably, the surface of the water stop plate and the joint of the water stop plate and the downcomer are provided with waterproof layers.

The utility model provides a precipitation well, including precipitation pipe, seal ring, ring flange, precipitation pipe's lateral wall lower part has the inlet opening, and the size, quantity, the mode of arranging of inlet opening are unrestricted, can set for by oneself according to concrete in service behavior's difference, and preferably, the inlet opening rule is arranged, easily will reduce the even suction of water around the pipe, guarantees that the soil of digging remains dry state throughout. The middle of the water stop ring is provided with a through hole which is sleeved on the upper part of the downcomer, the specific water stop ring is positioned above the water inlet hole, the inner wall of the water stop ring is welded and connected with the side wall of the downcomer, no gap exists between the inner wall of the water stop ring and the side wall of the downcomer, water at the lower part cannot pass through the water stop ring, and the water inlet part and the drying part of the downcomer are separated by the water stop ring. The flange plate is connected to the upper end of the downcomer, the flange plate and the upper end of the downcomer are connected in a welding mode and in a sealing mode, and the joint is watertight.

The upper end of the flange plate is provided with a neck opening, the neck opening is connected with a sealing cap, the neck opening and the sealing cap are detachably connected, when water is not required to be pumped, the sealing cap is covered on the neck opening, the opening of the neck opening is sealed, and water in the precipitation pipe cannot overflow from the neck opening; when the water pressure in the downcast pipe is large and water needs to be pumped out, the sealing cap is detached from the neck opening, and the water pumping pipe of the water pumping device extends into the neck opening to pump out the water in the downcast pipe. By using the dewatering well, under the condition of higher underground water pressure in the later stage, the dewatering and pressure relief can be realized without re-opening the hole, the dewatering and pressure relief are simple and convenient, the later maintenance cost is low, the drying degree of the foundation pit can be controlled, the quality is controllable, and the engineering quality is improved.

After the precipitation pipe, the water stop plate and the flange plate are connected, the lower part of the precipitation pipe is embedded around the foundation pit, and after the lower part of the precipitation pipe is embedded in the foundation pit, welding, power utilization and fire driving are not needed, so that the method is safer and more convenient and faster under the severe environment of precipitation plugging, and potential safety hazards are reduced; the whole production is processed in a factory, on-site welding is not needed, leakage caused by the fact that welding quality is not too close is avoided, engineering quality is guaranteed, and construction safety is guaranteed.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 a schematic structural view of a precipitation well according to an embodiment of the present invention;

fig. 2 is a top view of fig. 1.

The drawings are numbered as follows:

downcomer 1, seal ring 2, ring flange 3, neck 4, inlet opening 11.

Detailed Description

The core of the utility model is to provide a precipitation well, this precipitation well easy operation, no potential safety hazard, the quality is controllable, need not to keep somewhere the water pump, but later stage precipitation pressure release.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a precipitation well according to an embodiment of the present invention; fig. 2 is a top view of fig. 1.

In a specific embodiment, the utility model provides a precipitation well, precipitation pipe 1 that has inlet opening 11 including the lateral wall lower part, the suit in precipitation pipe 1 upper portion and with precipitation pipe 1's lateral wall welded connection's seal ring 2, connect in the ring flange 3 of precipitation pipe 1 upper end, precipitation pipe 1, the sealing plate, ring flange 3 connects after burying precipitation pipe 1's lower part underground around the foundation ditch, ring flange 3's upper end has neck mouth 4, be connected with the block on the neck mouth 4, neck mouth 4 and block lid are for dismantling the connection, pumping equipment's drinking-water pipe can stretch into in the neck mouth 4.

In the above-mentioned structure, the precipitation well includes precipitation pipe 1, seal ring 2, ring flange 3, and the lateral wall lower part of precipitation pipe 1 has inlet opening 11, and size, quantity, the mode of arranging of inlet opening 11 are unrestricted, can set for by oneself according to concrete in service behavior's difference, and preferably, inlet opening 11 rules are arranged, easily with the even suction of water around precipitation pipe 1, the soil of guaranteeing to dig remains dry state all the time.

The middle of the water stop ring 2 is provided with a through hole which is sleeved on the upper part of the downcomer 1, the water stop ring 2 is specifically positioned above the water inlet hole 11, the inner wall of the water stop ring 2 is connected with the side wall of the downcomer 1 in a welding mode, no gap exists between the inner wall of the water stop ring and the side wall of the downcomer 1, water at the lower part cannot pass through the water stop ring 2, and the water inlet part and the drying part of the downcomer 1 are separated by the water stop ring 2.

The flange 3 is connected with the upper end of the downcomer 1, the flange 3 and the upper end of the downcomer 1 are connected through welding and sealing, and the joint is watertight.

The upper end of the flange plate 3 is provided with a neck opening 4, the neck opening 4 is connected with a sealing cap, the neck opening 4 and the sealing cap are detachably connected, when water is not required to be pumped, the sealing cap covers the neck opening 4, the opening of the neck opening 4 is sealed, and water in the downcomer 1 cannot overflow from the neck opening 4; when the water pressure in the downcomer 1 is large and water needs to be pumped out, the sealing cap is detached from the neck opening 4, and the water pumping pipe of the water pumping device extends into the neck opening 4 to pump out the water in the downcomer 1. By using the dewatering well, under the condition of higher underground water pressure in the later stage, the dewatering and pressure relief can be realized without re-opening the hole, the dewatering and pressure relief are simple and convenient, the later maintenance cost is low, the drying degree of the foundation pit can be controlled, the quality is controllable, and the engineering quality is improved.

It should be noted that the inner diameter of the neck 4 is slightly larger than the outer diameter of the pumping pipe of the pumping device, so that the pumping pipe can go deep into the precipitation well for precipitation.

After the precipitation pipe 1, the water stop plate and the flange 3 are connected, the lower part of the precipitation pipe 1 is embedded around the foundation pit, and after the lower part of the precipitation pipe 1 is embedded in the foundation pit, welding, power utilization and fire driving are not needed, so that the method is safer and more convenient in a severe environment of precipitation plugging, and potential safety hazards are reduced; the whole production is processed in a factory, on-site welding is not needed, leakage caused by the fact that welding quality is not too close is avoided, engineering quality is guaranteed, and construction safety is guaranteed.

On the basis of the specific embodiment, a person skilled in the art can change the dewatering well according to different specific occasions, the flange plate 3 comprises a first flange and a second flange, the first flange is welded with the upper end face of the dewatering pipe 1 before the dewatering pipe 1 is buried in the foundation pit, and after the lower part of the dewatering pipe 1 is buried in the foundation pit, welding is not needed, so that the construction safety is ensured.

The second flange passes through bolted connection with first flange, specifically for after downcomer 1 buries in the foundation ditch, pass through bolted connection with first flange with the second flange. Because neck 4 sets up on the second flange, neck 4 is the wearing and tearing piece, after the problem of leaking appears between neck 4 and the closing cap, can dismantle the second flange from first flange, in time more renew second flange and neck 4, guarantee that the leakproofness between neck 4 and the closing cap is good. The second flange is detachably connected with the first flange, so that the neck opening 4 is convenient to replace and the use is more convenient; the dewatering well does not need to be integrally replaced, the cost is reduced, and the time and the labor are saved.

Further optimizing above-mentioned technical scheme, the technical staff in this field can carry out a plurality of changes to above-mentioned specific implementation according to the difference of specific occasion, is connected with the rubber gasket between first flange and the second flange, strengthens the leakproofness between first flange and the second flange, guarantees between first flange and the second flange that no water leakage is comparatively safe, reliable.

In another more reliable embodiment, on the basis of any one of the above embodiments, the upper part of the neck opening 4 is provided with external threads, the sealing cap is a nut matched with the neck opening 4, the neck opening 4 and the nut are connected through threads, and after the dewatering operation is finished, the dewatering manhole cover is screwed with the dewatering manhole cover to seal the dewatering manhole cover; when water needs to be pumped, the screw cap is screwed off from the neck opening 4, the operation is simple and convenient, and the sealing performance is good. Certainly, the sealing cap can also be a rubber cap, the neck opening 4 and the rubber cap are in interference fit, the use requirement can be met, and the cost is low; the neck 4 is a smooth mouth, and is easy to process.

For the dewatering well in each embodiment, the dewatering pipe 1, the water stop plate and the flange 3 can be made of stainless steel, the materials are common, and the materials are convenient to obtain; is not easy to corrode and has long service life. Of course, the downcomer 1, the water stop plate and the flange 3 can be made of plastic pipes, so that the cost is low.

Further optimize above-mentioned technical scheme, between downcomer 1 and the ring flange 3, through the full weld welding between downcomer 1 and the stagnant water board, the leakproofness is better, is difficult for leaking, connects firmly, comparatively reliably.

In another more reliable embodiment, on the basis of any one of the above embodiments, the surface of the water stop plate and the joint with the downcomer 1 are provided with waterproof layers, so that underground water below the water stop ring 2 cannot enter the upper part of the water stop ring 2 from the joint of the downcomer 1, and the waterproof property is enhanced.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The dewatering well provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a precipitation well, its characterized in that has downcomer (1), the suit of inlet opening (5) including the lateral wall lower part in downcomer (1) upper portion and with the lateral wall welded connection's of downcomer (1) seal ring (2), connect in flange dish (3) of downcomer (1) upper end, will after downcomer (1), sealing plate, flange dish (3) are connected the lower part of downcomer (1) is buried underground around the foundation ditch, the upper end of flange dish (3) has neck mouth (4), be connected with the block on neck mouth (4), neck mouth (4) with the block is for can dismantling the connection, and the drinking-water pipe of pumping equipment can stretch into in neck mouth (4).

2. Dewatering well according to claim 1, characterized in that the flange plate (3) comprises a first flange welded to the upper end face of the dewatering pipe (1), a second flange bolted to the first flange, and the neck (4) is arranged on the second flange.

3. The dewatering well as claimed in claim 2, wherein a rubber gasket is connected between the first flange and the second flange.

4. Dewatering well according to claim 1, characterized in that the upper part of the neck (4) is provided with an external thread and the closure cap is a screw cap cooperating with the neck (4).

5. Dewatering well according to claim 1, characterized in that the dewatering pipe (1), the water stop plate and the flange (3) are all made of stainless steel.

6. The dewatering well according to claim 5, characterized in that the downpipe (1) and the flange (3) and the downpipe (1) and the water stop plate are welded by full weld.

7. Dewatering well according to claim 1, characterized in that the surface of the water stop plate and the connection to the dewatering pipe (1) are provided with a water barrier.