CN212506350U - Movable dewatering well device - Google Patents

Abstract

The utility model discloses a portable precipitation well device, portable precipitation well device includes: a support; a suspension assembly disposed on the support; the dewatering well is arranged on the suspension assembly and used for filtering underground water, and the suspension assembly can drive the dewatering well to move up and down. The utility model provides a portable precipitation well device can arrange in a flexible way, and the position of arranging can transform in a flexible way, can avoid traditional fixed precipitation well construction to finish the back because of its position can not change, in case destroyed then the condition of unable normal use to construction cost has been reduced.

Description

Movable dewatering well device

Technical Field

The utility model belongs to the technical field of the building construction tool technique and specifically relates to a portable precipitation well device.

Background

In the building construction, in order to ensure that the operators in the foundation pit can carry out construction in a dry operation environment and ensure the stability of the side slope and the bearing capacity of the foundation, the underground water level in the foundation pit at least falls to 0.5m below the bottom surface of the foundation pit. The foundation pit engineering usually adopts a construction method of arranging a precipitation well and pumping water in the foundation pit by using a water pump so as to achieve the purpose of precipitation of the foundation pit. At the present stage, all traditional methods for arranging dewatering wells adopt fixed dewatering wells, namely the positions of the dewatering wells are determined and constructed before foundation pit excavation, and the positions of the dewatering wells cannot be changed after construction is finished. However, the excavation of the foundation pit is usually performed by using a large excavator, the dewatering well is very easy to be damaged in the excavation process of the excavator, and the traditional fixed dewatering well cannot be normally used once being damaged, so that the construction cost is high.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art not enough, the utility model aims to provide a portable precipitation well device to solve traditional fixed precipitation well construction and accomplish the back and can not change because of its position, in case destroyed then unable normal use, lead to the higher problem of construction cost.

The technical scheme of the utility model as follows:

a mobile dewatering well device, comprising:

a support;

a suspension assembly disposed on the support;

the dewatering well is arranged on the suspension assembly and used for filtering underground water, and the suspension assembly can drive the dewatering well to move up and down.

The utility model discloses a further setting, precipitation well includes: the filter comprises a bottom plate, an inner cylinder, an outer cylinder, a sealing ring, a first filter layer, a second filter layer and a third filter layer; wherein the content of the first and second substances,

the inner cylinder is arranged on the bottom plate;

the outer cylinder is arranged on the bottom plate and is spaced from the inner cylinder, and the inner cylinder is accommodated in the outer cylinder;

the first filter layer is arranged on the outer wall of the outer barrel;

the second filter layer is arranged on the outer wall of the inner barrel;

the third filter layer is arranged between the inner wall of the outer barrel and the second filter layer;

the sealing rings are arranged on the inner cylinder and the outer cylinder, and form a sealing structure with the bottom plate, the inner cylinder and the outer cylinder, and the third filter layer is accommodated in the sealing structure.

The utility model discloses a further setting, the inner tube the urceolus with the centre of a circle of bottom plate is located same straight line, just the external diameter of urceolus with the external diameter of bottom plate equals.

The utility model discloses a further setting, first filter layer with the second filter layer is the filter screen.

In a further arrangement of the utility model, the third filter layer is a graded crushed stone layer; wherein the third filter layer is composed of graded broken stones with the grain diameter of 5-20 mm.

In the further arrangement of the utility model, the inner cylinder is provided with a first through hole which is communicated with the inner part of the inner cylinder and the second filter layer; the outer barrel is provided with a second through hole, and the second through hole is communicated with the first filtering layer and the interior of the outer barrel.

The utility model discloses a further setting, first through-hole with the second through-hole is waist type hole.

The utility model discloses a further setting, it is provided with two sets ofly to hang the subassembly, just it sets up to hang the subassembly interval on the support, wherein, it includes to hang the subassembly:

the connecting piece is arranged on the bracket;

the chain is arranged on the connecting piece, and one end of the chain is connected with the dewatering well.

The utility model discloses a further setting, hang the subassembly and still include the sleeve, the sleeve cover is established on the connecting piece, just the chain with sleeve sliding connection.

The utility model provides a portable precipitation well device, portable precipitation well device includes: a support; a suspension assembly disposed on the support; the dewatering well is arranged on the suspension assembly and used for filtering underground water, and the suspension assembly can drive the dewatering well to move up and down. The utility model provides a portable precipitation well device can arrange in a flexible way, and the position of arranging can transform in a flexible way, can avoid traditional fixed precipitation well construction to finish the back because of its position can not change, in case destroyed then the condition of unable normal use to construction cost has been reduced.

Drawings

In order to 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 the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the construction state of the middle mobile precipitation well device of the utility model.

Fig. 2 is a schematic view of the overall structure of the middle mobile dewatering well device of the present invention.

Fig. 3 is a schematic view of a partial structure of the middle mobile dewatering well device of the present invention.

Fig. 4 is a schematic view of a partial structure of the dewatering well of the present invention.

Fig. 5 is an assembly diagram of the inner cylinder and the bottom plate of the present invention.

Fig. 6 is an assembly diagram of the outer cylinder and the inner cylinder according to the present invention.

Fig. 7 is an assembly diagram of the middle sealing ring, the inner cylinder and the outer cylinder.

Fig. 8 is a schematic flow chart of the construction method of the medium-sized mobile precipitation well of the present invention.

The various symbols in the drawings: 1. a support; 2. a suspension assembly; 21. a connecting member; 22. a chain; 23. a sleeve; 3. dewatering wells; 31. a base plate; 32. an inner barrel; 321. a first through hole; 33. an outer cylinder; 331. a second through hole; 34. a seal ring; 35. a first filter layer; 36. a second filter layer; 37. a third filter layer; 4. a foundation pit; 5. a sump; 6. and (4) a water pump.

Detailed Description

Through utility model people research discovery, adopt the construction mode of fixed precipitation well to carry out foundation ditch precipitation, need fix a position fixed precipitation well earlier and construct, excavate the sump pit afterwards, very easily cause the destruction to the precipitation well among the excavation process, in case the precipitation well suffers to destroy and hardly accomplishes the restoration, then the precipitation well just can't be used to can stay original position, bury the precipitation well in the sump pit through earth, make the cost (precipitation well construction cost) of input not obtain substantive effect. In addition, the fixed dewatering well is adopted, the operation requirement on the dead halt of the excavator is high in the excavation process, the excavator needs to avoid the dewatering well for excavation during operation in order to avoid damaging the preset dewatering well, and the efficiency of foundation pit excavation is low.

The utility model provides a portable precipitation well device and portable precipitation well construction method, wherein, portable precipitation well device can arrange in a flexible way, and the position of arranging can change in a flexible way, can adapt to the foundation ditch condition of various complicacies. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a mobile dewatering well device according to a preferred embodiment.

As shown in fig. 1 and 2, the utility model provides a mobile precipitation well 3 device, which comprises a support 1, a suspension component 2 and a precipitation well 3. The suspension assemblies 2 are arranged in two groups and are arranged on the support 1 at intervals, the precipitation well 3 is arranged on the suspension assemblies 2 and is used for filtering underground water, the precipitation well 3 can be driven to move up and down through the suspension assemblies 2, specifically, the suspension assemblies 2 are arranged on two side walls of the precipitation well 3, and the precipitation well 3 can move up and down under the driving of the suspension assemblies 2.

The utility model provides a portable precipitation well 3 device at first can be through removing support 1 to the position of foundation ditch 4, after pit 5 in foundation ditch 4 dug, the rethread hang subassembly 2 will in the sump pit is placed under precipitation well 3, afterwards alright pass through hang subassembly 2 and adjust precipitation well 3 gets into the degree of depth to in the pit 5 to the realization is to the filtration of groundwater, warp precipitation well 3 gets into after filtering extremely groundwater accessible water pump 6 in the precipitation well 3 is taken out. Precipitation well 3 transfers to the in-process of sump 5, if discover the position of precipitation well construction is improper, can pass through hang subassembly 2 will precipitation well 3 risees, later with original sump 5 backfill can, excavate sump 5 again behind it, and will through support 1 precipitation well 3 shifts to the sump 5 of newly digging can, avoided traditional fixed precipitation well 3 construction to finish its position and can't change, lead to the problem that precipitation well 3 that has been under construction can't reuse to construction cost can be reduced. Additionally, the utility model discloses a just transfer precipitation well 3 after sump pit 5 dug to can avoid 5 excavation in-process excavators of sump pit to cause the condition of destruction to the precipitation pit, thereby can further reduce construction cost. Furthermore, the utility model discloses well precipitation well 3's height can be adjusted for precipitation well 3's whole length reduces greatly, thereby the construction cost that can further reduce. It should be noted that, the utility model discloses well precipitation well 3's diameter about 700mm, length about 1000mm makes according to actual need, and fixed precipitation well 3's diameter about 700mm, length about 10m +, excavates the degree of depth preparation according to foundation ditch 4.

Referring to fig. 2 to 7, in a further embodiment of an embodiment, the dewatering well 3 includes: a bottom plate 31, an inner cylinder 32, an outer cylinder 33, a sealing ring 34, a first filter layer 35, a second filter layer 36 and a third filter layer 37. The inner cylinder 32 is arranged on the bottom plate 31, the outer cylinder 33 is arranged on the bottom plate 31 and spaced from the inner cylinder 32, the inner cylinder 32 is accommodated in the outer cylinder 33, the first filter layer 35 is arranged on the outer wall of the outer cylinder 33, the second filter layer 36 is arranged on the outer wall of the inner cylinder 32, the third filter layer 37 is arranged between the inner wall of the outer cylinder 33 and the second filter layer 36, the sealing ring 34 is arranged on the inner cylinder 32 and the outer cylinder 33 and forms a sealing structure with the bottom plate 31, the inner cylinder 32 and the outer cylinder 33, and the third filter layer 37 is accommodated in the sealing structure. In one implementation, the fixing between the inner cylinder 32, the outer cylinder 33 and the bottom plate 31 may be achieved by a welding process, and similarly, the fixing between the sealing ring 34 and the inner cylinder 32, the outer cylinder 33 may also be achieved by a welding process, so as to ensure the installation stability of the dewatering well 3.

Specifically, the first filter layer 35 and the second filter layer 36 are both filter screens, and in one implementation, the first filter layer 35 and the second filter layer 36 are both galvanized square steel wire meshes with meshes of 2mm, wherein the width of the first filter layer 35 is equal to the height of the outer cylinder 33, and the height of the second filter layer 36 is equal to the height of the inner cylinder 32. First filter screen with during the installation of urceolus 33, through using the galvanized steel wire with zinc-plated square wire net prick in on the outer wall of urceolus 33, wherein, the tip overlap joint of zinc-plated square wire net should be 10mm, the interval of galvanized steel wire should be 200mm, once galvanized steel wire of every 200mm ligature promptly. It can be understood that the installation manner of the second filter layer 36 and the inner cylinder 32 is the same as that of the first filter layer 35 and the outer cylinder 33, and the detailed description is omitted here.

More specifically, the third filter layer 37 is a graded crushed stone layer. The third filter layer 37 is made of graded crushed stones (a mixture of coarse and fine crushed stone aggregates and stone chips in a certain proportion, and the particle composition meets the requirement of dense grading) with a particle size of 5-20mm, the graded crushed stones are filled between the inner cylinder 32 and the outer cylinder 33, and the graded crushed stones are sealed by a sealing structure formed by the bottom plate 31, the inner cylinder 32 and the outer cylinder 33, so that the graded crushed stones form a filter structure of the third filter layer 37. Wherein, 30 percent of crushed stone with the grain diameter of 5-10mm, 50 percent of crushed stone with the grain diameter of 10-15mm and 20 percent of crushed stone with the grain diameter of 15-20 mm are uniformly mixed to obtain graded crushed stone.

In the process of precipitation well 3 carrying out foundation ditch 4 precipitation, first filter layer 35 carries out preliminary filtration to groundwater to make the groundwater after filtering get into inside urceolus 33, can prevent simultaneously the outside loss of gradation rubble in the urceolus 33, get into to groundwater in the urceolus 33 is through third filter layer 37 filters and pass through get into behind the second filter layer 36 inside inner tube 32, wherein, third filter layer 37 is main filter layer, can filter groundwater to a certain degree for groundwater after filtering can not cause water pump 6 to block up, also can satisfy the requirement of environmental protection emission, and second filter layer 36 is then for additional filter layer, can prevent that gradation rubble from entering along with groundwater to inside inner tube 32, in order to prevent the condition emergence of gradation rubble jam water pump 6.

It should be noted that, in the present invention, the first filter layer 35 and the second filter layer 36 may also use a plastic filter screen except for a metal filter screen, and in order to increase the filtering effect, the first filter layer 35 or the second filter layer 36 may be composed of a plurality of filter screens (metal filter screens or plastic filter screens).

Referring to fig. 4 to 6, in a further implementation manner of an embodiment, a first through hole 321 is formed on the inner cylinder 32, the first through hole 321 communicates the inside of the inner cylinder 32 with the second filter layer 36, a second through hole 331 is formed on the outer cylinder 33, and the second through hole 331 communicates the first filter layer 35 with the inside of the outer cylinder 33. Specifically, the first through hole 321 and the second through hole 331 are both kidney-shaped holes, the first through hole 321 enables groundwater to flow into the outer cylinder 33, and the second through hole 331 enables filtered groundwater to flow into the inner cylinder 32. In another implementation manner, the first through hole 321 and the second through hole 331 may also be provided as elliptical through holes.

Referring to fig. 4 to 7, in a further implementation manner of an embodiment, the centers of the inner cylinder 32, the outer cylinder 33 and the bottom plate 31 are located on the same straight line, and the outer diameter of the outer cylinder 33 is equal to the outer diameter of the bottom plate 31. Specifically, precipitation well 3 first filter layer 35 the urceolus 33 the third filter layer 37 the second filter layer 36 with inner tube 32 sets gradually from outside to inside, wherein, bottom plate 31 is circular bottom plate 31, inner tube 32 the urceolus 33 with the centre of a circle of bottom plate 31 is located collinear, just the external diameter of urceolus 33 with bottom plate 31's external diameter equals, so that precipitation falls to be the cylinder form structure on the whole, makes precipitation well 3 structure is compacter, so that it is right precipitation well 3 shifts, and can reduce precipitation well 3's cost.

Referring to fig. 2 and 3, in a further embodiment of an embodiment, the suspension assembly 2 includes a link 21 and a chain 22. Wherein, the connecting piece 21 is arranged on the bracket 1, the chain 22 is arranged on the connecting piece 21, and one end of the chain 22 is connected with the dewatering well 3. Specifically, the connecting piece 21 is a U-shaped structure, and is formed by processing round steel bars through a cold bending process, and is welded on the support 1, the chain 22 is hung on the connecting piece 21, one end of the connecting piece 21 is connected with the side wall of the dewatering well 3, the other end of the connecting piece is fixed around the foundation pit 4, and the dewatering depth of the dewatering well 3 can be adjusted by pulling and placing the chain 22. It should be noted that the chain 22 may be replaced by a pull cord.

With continuing reference to fig. 2 and fig. 3, further, the suspension assembly 2 further includes a sleeve 23, the sleeve 23 is sleeved on the connecting member 21, and the chain 22 is slidably connected to the sleeve 23. Specifically, the sleeve 23 is a steel pipe, before the connecting piece 21 is subjected to the cold bending process, the sleeve 23 is sleeved on the connecting piece 21, and in the process of pulling and placing the chain 22, the friction force between the chain 22 and the connecting piece 21 can be reduced, so that the length of the chain 22 can be adjusted, and the depth of the dewatering well 3 entering water can be adjusted conveniently.

Referring to fig. 8, in order to better understand the present invention, the following steps of constructing the mobile dewatering well device are described, wherein the steps of constructing the mobile dewatering well device include:

s100, selecting a position in the foundation pit and excavating a water collecting pit according to the requirement of foundation pit dewatering;

particularly, the method has the requirement of foundation pit dewatering, and the sump pit is excavated by selecting a better position in the foundation pit.

S200, fixing the support on the foundation pit, and enabling the suspension assembly to be located above the water collecting pit;

specifically, the support is erected above a foundation pit, and the two suspension assemblies are located above a water collecting pit.

S300, mounting the dewatering well on the suspension assembly, and enabling the dewatering well to be right opposite to the water collecting pit;

specifically, the dewatering well is hung on the two hanging assemblies on the support, so that the dewatering well is right opposite to the position of the sump.

S400, adjusting the position of the dewatering well through the suspension assembly to adjust the depth of the dewatering well entering the sump, so that underground water is filtered by the dewatering well and then enters the dewatering well;

specifically, the dewatering well is lowered into a water collecting pit, so that underground water enters the interior of the dewatering well after being filtered by the water collecting pit.

And S500, pumping the underground water in the dewatering well through a water pump.

Specifically, the water pump is connected with a drain pipe, and a water outlet of the drain pipe penetrates through the upper end of the precipitation well and extends to the ground so as to discharge underground water in the precipitation well and achieve the purpose of foundation pit precipitation.

To sum up, the utility model provides a pair of portable precipitation well device and portable precipitation well construction method, wherein, portable precipitation well device includes: a support; a suspension assembly disposed on the support; the dewatering well is arranged on the suspension assembly and used for filtering underground water, and the suspension assembly can drive the dewatering well to move up and down. The utility model provides a portable precipitation well device can arrange in a flexible way, and the position of arranging can transform in a flexible way, can avoid traditional fixed precipitation well construction to finish the back because of its position can not change, in case destroyed then the condition of unable normal use to construction cost has been reduced.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (9)

1. A mobile dewatering well device is characterized by comprising:

a support;

a suspension assembly disposed on the support;

the dewatering well is arranged on the suspension assembly and used for filtering underground water, and the suspension assembly can drive the dewatering well to move up and down.

2. The mobile dewatering well device according to claim 1, wherein the dewatering well comprises: the filter comprises a bottom plate, an inner cylinder, an outer cylinder, a sealing ring, a first filter layer, a second filter layer and a third filter layer; wherein the content of the first and second substances,

the inner cylinder is arranged on the bottom plate;

the outer cylinder is arranged on the bottom plate and is spaced from the inner cylinder, and the inner cylinder is accommodated in the outer cylinder;

the first filter layer is arranged on the outer wall of the outer barrel;

the second filter layer is arranged on the outer wall of the inner barrel;

the third filter layer is arranged between the inner wall of the outer barrel and the second filter layer;

the sealing rings are arranged on the inner cylinder and the outer cylinder, and form a sealing structure with the bottom plate, the inner cylinder and the outer cylinder, and the third filter layer is accommodated in the sealing structure.

3. The mobile dewatering well device according to claim 2, wherein the centers of the inner cylinder, the outer cylinder and the bottom plate are located on the same straight line, and the outer diameter of the outer cylinder is equal to the outer diameter of the bottom plate.

4. The mobile dewatering well device according to claim 2, wherein the first and second filtering layers are both filter screens.

5. The mobile dewatering well device according to claim 2, wherein the third filtering layer is a graded crushed stone layer; wherein the third filter layer is composed of graded broken stones with the grain diameter of 5-20 mm.

6. The mobile dewatering well device according to claim 2, wherein a first through hole is formed in the inner barrel and communicates the interior of the inner barrel with the second filter layer; the outer barrel is provided with a second through hole, and the second through hole is communicated with the first filtering layer and the interior of the outer barrel.

7. The mobile dewatering well device according to claim 6, wherein the first through hole and the second through hole are both kidney-shaped holes.

8. The mobile dewatering well device according to claim 1, wherein the suspension assemblies are provided in two groups and are spaced apart from each other on the support, wherein the suspension assemblies comprise:

the connecting piece is arranged on the bracket;

the chain is arranged on the connecting piece, and one end of the chain is connected with the dewatering well.

9. The mobile dewatering well device according to claim 8, wherein the suspension assembly further comprises a sleeve, the sleeve is sleeved on the connecting piece, and the chain is slidably connected with the sleeve.

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