CN210766826U - Foundation pit dewatering device - Google Patents
Foundation pit dewatering device Download PDFInfo
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- CN210766826U CN210766826U CN201920723579.2U CN201920723579U CN210766826U CN 210766826 U CN210766826 U CN 210766826U CN 201920723579 U CN201920723579 U CN 201920723579U CN 210766826 U CN210766826 U CN 210766826U
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Abstract
The application provides a foundation ditch precipitation device belongs to the building field. The water filter comprises a water filtering cylinder, wherein a plurality of filtering holes are formed in the water filtering cylinder; the filtering mechanism is arranged on the water filtering cylinder and is used for filtering water in the water filtering cylinder; and the water pumping mechanism is arranged in the water filtering cylinder and is used for pumping out the water in the water filtering cylinder. The water filtering cylinder comprises a cylinder body, the cylinder body is provided with a top and a bottom, a plurality of filtering holes are formed in the circumferential side of the cylinder body, and a plurality of filtering holes are formed in the top and the bottom. The device range of application is wide, can filter the inside gravel and sand of entering water filtering section of thick bamboo to improve the efficiency of drainage and precipitation effectively.
Description
Technical Field
The application relates to the field of buildings, especially, relate to a foundation ditch precipitation device.
Background
The foundation pit dewatering refers to dewatering work performed for ensuring that the foundation pit can be constructed under a dry condition and preventing slope instability, foundation quicksand, pit bottom uplift, pit bottom piping and foundation bearing capacity reduction when the underground water level is higher than the excavation bottom surface when the foundation pit is excavated.
In the prior art, the water pipe is arranged at the bottom of the foundation pit for drainage, but the water pipe is not firmly fixed and is easy to shift in the construction process, so that the position is unstable. In addition, need constantly dismantle the water pipe at the excavation in-process, need hang out water pump, circuit etc. temporarily in advance when demolising, the damage of water pipe also easily causes in the collision of machinery excavation operation, above two kinds of circumstances all can lead to precipitation to be interrupted, influence the efficiency of construction. Meanwhile, in a deep foundation pit, when the depth of a sandy gravel layer is large (more than 1 m), a surface drainage dewatering method is mostly adopted for dewatering, however, the safety risk of the method is too high and mostly not adopted, the pipe diameter dewatering and light well point dewatering efficiency is too low, the construction period cannot catch up with the water and the dewatering cost is too high.
Disclosure of Invention
An aim of this application lies in providing a foundation ditch dewatering device, aims at improving the problem that the foundation ditch drainage among the prior art is inefficient.
The technical scheme of the application is as follows:
a foundation pit dewatering apparatus comprising:
the water filtering cylinder is provided with a plurality of filtering holes;
the filtering mechanism is arranged on the water filtering cylinder and is used for filtering water in the water filtering cylinder;
and the water pumping mechanism is arranged in the water filtering cylinder and is used for pumping out the water in the water filtering cylinder.
As a technical scheme of this application, a water filtering section of thick bamboo includes the barrel, the barrel has top and bottom, it is a plurality of to have seted up on the week side of barrel the filtration pore, the top with all seted up a plurality ofly on the bottom the filtration pore.
As a technical solution of this application, it is a plurality of filter holes distribute respectively the interval the same and in a row on the week side of barrel, the top and on the bottom.
As a technical scheme of this application, filtering mechanism includes water strainer and a close net section of thick bamboo, the water strainer cover is established on the periphery side of water strainer, close net section of thick bamboo cover is established on the periphery side of water strainer.
As a technical scheme of this application, filtering mechanism includes water strainer and a close net section of thick bamboo, the water strainer cover is established on the periphery side of water strainer.
As a technical scheme of this application, the mechanism of drawing water includes outlet pipe, water pump, mount and support frame, the support frame is installed on the inside wall of a water filtering section of thick bamboo, the mount is installed on the support frame, the water pump is installed on the mount, the one end of outlet pipe communicate in the water pump, the other end is worn out a water filtering section of thick bamboo.
As a technical scheme of this application, the mount includes that multilayer reinforcing bar encircles and a plurality of vertical rib that adds, and is a plurality of vertical rib that adds respectively in proper order with the multilayer the reinforcing bar encircles and connects.
As a technical scheme of this application, a plurality of vertical plus the interval between the rib is the same.
As a technical scheme of this application, the support frame includes steel sleeve, ring carrier and a plurality of connecting rod, the steel sleeve is installed on the inside wall of a water filtering cylinder, the ring carrier is installed in the steel sleeve, the ring carrier with through a plurality of between the steel sleeve the connecting rod is connected, a plurality of water filtering holes have been seted up on the steel sleeve.
As a technical scheme of this application, a plurality of the interval between the connecting rod is the same.
The beneficial effect of this application:
in the foundation pit dewatering device of this application, can assemble according to the depth of water level, when the water level is more shallow, can use a foundation pit dewatering device to carry out precipitation, when the water level is darker, the accessible assembles several foundation pit dewatering device from top to bottom in proper order and carries out precipitation. When the foundation pit is excavated to a sandy gravel layer and an underground water retaining layer appears, determining the excavation depth and the water level depth according to design and on-site actual exploration; after the water level depth is determined, when the required precipitation depth is not more than 1.5m, a section of water filtering cylinder is adopted for precipitation, so that the underground water level is 50cm lower than the required finished surface, and the design requirement and the site construction requirement are met; when the precipitation depth exceeds 1.5m, a plurality of sections of the water filtering cylinders are adopted for precipitation, and the precipitation water level is guaranteed to meet the design and field requirements. The device firstly installs and positions the water filtering cylinder, selects a proper position according to field measurement and positioning, adopts the excavator to excavate the precipitation position, installs the water filtering cylinder, fixes the water filtering cylinder by filling sand and pebbles around the water filtering cylinder by using local materials, and is communicated with a water pumping mechanism. After can stopping precipitation construction, can hang out this water filtering cylinder device, then clearance intermediate layer silt, reuse. If the steel wire dense net cylinder and the water filtering interlayer (water filtering net) are positioned outside the steel sleeve with the holes (namely the water filtering cylinder), the water filtering device is suitable for the application of the water filtering cylinder with a single section and low precipitation water level, can ensure that the water body has better filtering effect and is used for water use in a construction site; if the steel wire dense net cylinder and the water filtering interlayer (water filtering net) are positioned on the inner side of the steel sleeve with the hole (water filtering cylinder), the steel wire dense net cylinder and the water filtering interlayer (water filtering net) are used for dewatering construction with a deeper water retaining layer, and a plurality of sections of water filtering cylinders can be combined and connected; the diameter of the water filtering cylinder can be adjusted according to the water storage capacity and the permeability coefficient of the water-retaining layer, and the water filtering cylinders with different depths are adopted according to the depth of the water-retaining layer; after the water filtering cylinder is installed and placed, peripheral pebbles are filled around the water filtering cylinder, so that potential safety hazards are eliminated, and a sand layer and a pebble layer can be excavated continuously along with precipitation. Therefore, the device can be applied to the precipitation of shallow water foundation pits and deep water foundation pits, is wide in application range, can filter sand and stones entering the inside of the water filtering cylinder due to the fact that the device is provided with the plurality of water filtering devices, effectively improves efficiency of water filtering and precipitation, is simple to assemble and operate, saves a large amount of manpower and material resources, and can save production cost and save time and labor. In addition, the support frame of drainage barrel head portion adopts the round steel to weld into the skeleton, the water pump mount of being convenient for lay, can directly fall to the bottom at some impurity of precipitation in-process drainage barrel inside, does not block up the drainage layer, later stage reuse and do not additionally increase the promotion degree of difficulty. The fixing frame of the water pump adopts three reinforcing steel rings and four vertical stiffening ribs, the size of the fixing frame is determined according to the size of the water pump, and the water pump and the water filtering cylinder can be conveniently installed and placed at the same time. And moreover, a sleeve with an arc surface with an inclination angle of 45 degrees is arranged at the top of the upper layer of the water pipe, so that the difficulty in connecting a water pump joint pipe and a drainage pipeline is solved. Through the water filtering cylinder device, the sand gravel layer is subjected to water retention and precipitation, so that the problems of high cost and low precipitation efficiency caused by the use of pipe diameter precipitation in the traditional sand layer precipitation are solved; the device can be assembled and disassembled for repeated use, and can be efficiently suitable for precipitation of stagnant water layers with different depths, thereby solving the unsafe factors of workers in the engineering field; in addition, through three water filtering layers, the purpose of precipitation is achieved, and water can be filtered, so that the effects of green construction and full utilization of water resources are achieved.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a foundation pit dewatering device according to a first embodiment of the present application;
fig. 2 is a schematic view of a supporting frame structure according to a first embodiment of the present disclosure;
fig. 3 is a schematic view of a fixing frame according to a first embodiment of the present application;
fig. 4 is a schematic structural view of a foundation pit precipitation device provided in the second embodiment of the present application.
Icon: 1-a foundation pit dewatering device; 2-a water filtering cylinder; 3-a filtering mechanism; 4, a water pumping mechanism; 5-a cylinder body; 6-top; 7-bottom; 8-a water filtering net; 9-dense net cylinder; 10-water outlet pipe; 11-a water pump; 12-a sleeve; 13-a fixed frame; 14-a support frame; 15-reinforcing steel bar ring; 16-adding vertical ribs; 17-a steel sleeve; 18-a ring-shaped support; 19-connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
Further, in the present application, unless expressly stated or limited otherwise, the first feature may be directly contacting the second feature or may be directly contacting the second feature, or the first and second features may be contacted with each other through another feature therebetween, not directly contacting the second feature. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 present application can be understood in a specific case by those of ordinary skill in the art.
The first embodiment:
referring to fig. 1 and fig. 2 and 3, the present application provides a foundation pit dewatering device 1, which can be assembled according to the depth of a water level, when the water level is shallow, one foundation pit dewatering device 1 can be used for dewatering, and when the water level is deep, a plurality of foundation pit dewatering devices 1 can be sequentially assembled from top to bottom for dewatering. When the foundation pit is excavated to a sandy gravel layer and an underground water retaining layer appears, determining the excavation depth and the water level depth according to design and on-site actual exploration; after the water level depth is determined, when the required precipitation depth is not more than 1.5m, a section of water filtering cylinder 2 is adopted for precipitation, so that the underground water level is 50cm lower than the required finished surface, and the design requirement and the site construction requirement are met; when the precipitation depth exceeds 1.5m, a plurality of sections of the water filtering cylinders 2 are adopted for precipitation, and the precipitation water level is guaranteed to meet the design and field requirements.
This foundation pit precipitation device 1 includes a water filtering section of thick bamboo 2, filtering mechanism 3 and the mechanism 4 that draws water, and filtering mechanism 3 installs in the inside of a water filtering section of thick bamboo 2 for the gravel and sand in the aquatic that gets into in the water filtering section of thick bamboo 2 filters, and the one end of the mechanism 4 that draws water is installed in a water filtering section of thick bamboo 2, and outside the water filtering section of thick bamboo 2 was worn out to the other end, was arranged in taking out the water in a water filtering section of thick bamboo 2, and carries out precipitation.
It should be noted that, in the present embodiment, the water filtering cylinder 2 includes a cylinder body 5, and the cylinder body 5 has a top 6 and a bottom 7 opposite to each other; wherein, a plurality of filtration pores have been seted up on the week side of barrel 5, all seted up a plurality of filtration pores on top 6 and the bottom 7. The filter holes are respectively distributed on the peripheral side, the top 6 and the bottom 7 of the cylinder 5 at the same interval and in rows; in other embodiments, the sizes and arrangement of the water filtering holes on the top portion 6, the bottom portion 7 and the peripheral side may be different, the water filtering holes may be arranged in a disordered manner, or the pore sizes of the water filtering holes at different positions may be different, and the present invention is not limited to the structure in this embodiment.
Furthermore, the diameter of the water filtering cylinder 2 can be adjusted according to the water storage capacity and the permeability coefficient of the aquifer, and the water filtering cylinders 2 with different depths are adopted according to the depth of the aquifer; after the water filtering cylinder 2 is installed and placed, peripheral pebbles are filled around the water filtering cylinder 2, so that potential safety hazards are eliminated, and a sand layer and a pebble layer can be excavated continuously along with precipitation.
The device firstly installs and positions the water filtering cylinder 2, selects a proper position according to field measurement and positioning, adopts the excavator to excavate the precipitation position, installs the water filtering cylinder 2, uses local materials around the water filtering cylinder 2 to be fixed by sand gravel surrounding, and is communicated with the pumping mechanism 4. After can stopping precipitation construction, can hang out this water filtering section of thick bamboo 2 device, then clearance intermediate layer silt, reuse.
Further, in the present embodiment, the filter mechanism 3 includes a water filter screen 8 and a dense screen cylinder 9, the water filter screen 8 is fitted on an outer peripheral side of the water filter cylinder 2, and the dense screen cylinder 9 is fitted on an outer peripheral side of the water filter screen 8. The water filter is suitable for the application of the water filtering cylinder 2 with a single section of water and a low precipitation water level, can ensure that the water body has a good filtering effect, and is used for water use in a construction site.
The material of the dense mesh cylinder 9 is a steel wire, and other metal materials may be used.
Further, in this embodiment, the pumping mechanism 4 includes the outlet pipe 10, the water pump 11, the mount 13 and the support frame 14, the support frame 14 is installed on the inside wall of the water filtering cylinder 2, the mount 13 is installed on the support frame 14, the water pump 11 is installed on the mount 13, one end of the outlet pipe 10 is communicated with the water pump 11, the other end penetrates out of the water filtering cylinder 2, and the sleeve 12 is sleeved.
Further, in this embodiment, the fixing frame 13 is constructed by a plurality of layers of the steel bar rings 15 and a plurality of vertical ribs 16, and the plurality of vertical ribs 16 are respectively connected with the plurality of layers of the steel bar rings 15 in sequence, and the ends of the vertical ribs are connected with the steel bar rings 15 on the top layer, and the other ends of the vertical ribs are connected with the steel bar rings 15 on the ground layer. The multi-layer ring 15 and the plurality of vertical ribs 16 may be connected by welding or by integral molding.
Further, in the present embodiment, the spacing between the plurality of vertical ribs 16 is the same. In other embodiments, the spacing between the vertical ribs 16 may be different.
Further, in this embodiment, the fixing frame 13 of the water pump 11 uses three reinforcing rings 15 and four vertical stiffeners, and the size of the fixing frame 13 is determined according to the size of the water pump 11, which facilitates the installation and placement of the water pump 11 and the water filtering cylinder 2 at the same time.
Further, in this embodiment, the support frame 14 includes a steel sleeve 17, an annular bracket 18 and a plurality of connecting rods 19, the steel sleeve 17 is installed on the inside wall of the water filtering cylinder 2, the annular bracket 18 is installed in the steel sleeve 17, the annular bracket 18 and the steel sleeve 17 are connected through the plurality of connecting rods 19, and the steel sleeve 17 is provided with a plurality of water filtering holes.
Further, in the present embodiment, the distances between the connecting rods 19 are the same, and a 14-size round steel is adopted; in other embodiments, the distance between the connecting rods 19 may be different, and other materials may be used.
The support frame 14 of the 2 bottoms 7 of a water filtering cylinder adopts the round steel to weld into the skeleton, is convenient for laying of the 11 mounts 13 of the water pump, can directly fall to the bottom 7 at some impurities inside the 2 water filtering cylinders in the precipitation process, does not block up the water filtering layer, and later stage reuse does not additionally increase the lifting difficulty.
Therefore, the water retention and precipitation of the sand gravel layer are carried out through the water filtering cylinder 2, and the problems of high cost and low precipitation efficiency caused by the use of the pipe diameter for precipitation of the traditional sand layer are solved; the device can be assembled and disassembled for repeated use, and can be efficiently suitable for precipitation of stagnant water layers with different depths, thereby solving the unsafe factors of workers in the engineering field; in addition, through three water filtering layers, the purpose of precipitation is achieved, and water can be filtered, so that the effects of green construction and full utilization of water resources are achieved.
Second embodiment:
in the present embodiment, an alternative construction of the foundation pit dewatering device 1 is provided which differs from the device of the first embodiment in the filtering means 3.
Referring to fig. 4, in the present embodiment, the filtering mechanism 3 includes a water filter 8 and a dense filter cylinder 9, the water filter 8 is disposed on an outer periphery of the dense filter cylinder 9, and the water filter cylinder 2 is disposed on an outer periphery of the water filter 8. Because the steel wire dense net cylinder 9 and the water filtering interlayer (the water filtering net 8) are positioned at the inner side of the steel sleeve 17 with the hole (the water filtering cylinder 2), the water filtering net can be used for the construction of deep precipitation of a stagnant water layer, and can be combined and connected by a plurality of sections of water filtering cylinders 2.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A foundation pit dewatering device, comprising:
the water filtering cylinder is provided with a plurality of filtering holes;
the filtering mechanism is arranged on the water filtering cylinder and is used for filtering water in the water filtering cylinder;
the water pumping mechanism is arranged in the water filtering cylinder and is used for pumping out water in the water filtering cylinder;
the water pumping mechanism comprises a water outlet pipe, a water pump, a fixing frame and a supporting frame, the supporting frame is installed on the inner side wall of the water filtering cylinder, the fixing frame is installed on the supporting frame, the water pump is installed on the fixing frame, one end of the water outlet pipe is communicated with the water pump, and the other end of the water outlet pipe penetrates out of the water filtering cylinder;
the mount includes multilayer reinforcing bar ring and a plurality of vertical ribbing, and is a plurality of vertical ribbing respectively in proper order with the multilayer reinforcing bar ring is connected.
2. The foundation pit precipitation device of claim 1, wherein the water filtering cylinder comprises a cylinder body, the cylinder body has a top and a bottom, the periphery of the cylinder body is provided with a plurality of filtering holes, and the top and the bottom are provided with a plurality of filtering holes.
3. The foundation pit precipitation device according to claim 2, wherein the plurality of filtering holes are respectively arranged at equal intervals and in rows on the circumferential side of the cylinder, the top, and the bottom.
4. The foundation pit precipitation device of claim 1, wherein the filtering mechanism comprises a water filtering net and a dense-net cylinder, the water filtering net is sleeved on the outer peripheral side of the water filtering cylinder, and the dense-net cylinder is sleeved on the outer peripheral side of the water filtering net.
5. The foundation pit precipitation device of claim 1, wherein the filtering mechanism comprises a water strainer and a dense-mesh cylinder, the water strainer is sleeved on the outer peripheral side of the dense-mesh cylinder, and the water strainer is sleeved on the outer peripheral side of the water strainer.
6. The foundation pit precipitation apparatus of claim 1, wherein the vertical ribs are equally spaced.
7. The foundation pit dewatering device according to claim 1, wherein the support frame comprises a steel sleeve, an annular bracket and a plurality of connecting rods, the steel sleeve is mounted on the inner side wall of the water filtering cylinder, the annular bracket is mounted in the steel sleeve, the annular bracket is connected with the steel sleeve through the plurality of connecting rods, and the steel sleeve is provided with a plurality of water filtering holes.
8. The foundation pit precipitation device of claim 7, wherein the spacing between the plurality of connecting rods is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723579.2U CN210766826U (en) | 2019-05-20 | 2019-05-20 | Foundation pit dewatering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723579.2U CN210766826U (en) | 2019-05-20 | 2019-05-20 | Foundation pit dewatering device |
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| CN210766826U true CN210766826U (en) | 2020-06-16 |
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| CN201920723579.2U Active CN210766826U (en) | 2019-05-20 | 2019-05-20 | Foundation pit dewatering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663645A (en) * | 2021-01-23 | 2021-04-16 | 北京滕宇翔建设工程有限公司 | Foundation pit construction drainage system |
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2019
- 2019-05-20 CN CN201920723579.2U patent/CN210766826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663645A (en) * | 2021-01-23 | 2021-04-16 | 北京滕宇翔建设工程有限公司 | Foundation pit construction drainage system |
| CN112663645B (en) * | 2021-01-23 | 2022-01-11 | 北京滕宇翔建设工程有限公司 | Foundation pit construction drainage system |
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