CN215053142U - A precipitation device for foundation ditch earthwork excavation stage - Google Patents

A precipitation device for foundation ditch earthwork excavation stage Download PDF

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Publication number
CN215053142U
CN215053142U CN202120707420.9U CN202120707420U CN215053142U CN 215053142 U CN215053142 U CN 215053142U CN 202120707420 U CN202120707420 U CN 202120707420U CN 215053142 U CN215053142 U CN 215053142U
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China
Prior art keywords
water
water pump
barrel
foundation pit
precipitation
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CN202120707420.9U
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Chinese (zh)
Inventor
李强
徐冠玉
刘自兵
陈钰博
杨雁彬
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China Railway Construction Engineering Group Co Ltd
China Railway Construction Engineering Group Guangdong Co Ltd
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China Railway Construction Engineering Group Co Ltd
China Railway Construction Engineering Group Guangdong Co Ltd
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Priority to CN202120707420.9U priority Critical patent/CN215053142U/en
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Abstract

The utility model provides a precipitation device for foundation ditch earthwork excavation stage, include: the water filtering mechanism, the suspension rope, the drainage pipeline and the supporting mechanism; the drainage mechanism includes: the filter comprises a filter barrel, filter cloth, a water pump and at least one connecting part; the bottom end of the water filtering barrel is blocked, and a plurality of water passing holes communicated with the interior of the barrel are formed in the barrel wall; the filter cloth is arranged on the outer wall of the barrel wall of the water filtering barrel; the connecting part is arranged on the water filtering barrel; the water pump is positioned in the water filtering barrel, the water inlet end of the water pump is used for submerging into the sewage of the foundation pit, the water outlet end of the water pump is connected with one end of the drainage pipeline, and the other end of the drainage pipeline is used for communicating with the drainage ditch; one end of the suspension rope is connected to the connecting part, and the other end of the suspension rope is used for being connected with the retaining wall; the supporting mechanism is used for supporting between the wall of the water filtering barrel and the underground continuous wall. Through the setting of filter cloth on the drainage bucket, can filter most impurity, avoid impurity to block up the water pump to improve pumping efficiency.

Description

A precipitation device for foundation ditch earthwork excavation stage
Technical Field
The application relates to the technical field of waste water recovery and utilization, in particular to a dewatering device for a foundation pit earthwork excavation stage.
Background
In urban engineering construction, deep foundation pit excavation is required to be carried out in urban rail transit systems, namely urban subways, urban high-rise buildings, underground shopping malls and the like. Therefore, deep foundation pit engineering is an indispensable component in a plurality of major projects, but underground water has a plurality of adverse effects on the deep foundation pit engineering, and if the deep foundation pit engineering is not treated properly, a series of serious consequences can be caused, such as foundation pit water accumulation, uneven settlement of a foundation, reduction of the bearing capacity of the foundation, influence on the engineering quality and difficulty in subsequent construction; the phenomenon of sand flowing causes collapse of the side wall of the foundation pit, and the safety of surrounding buildings and the like can be affected.
For the drainage in the earth excavation stage of the deep foundation pit, the traditional water pump is directly used to easily block the water pump, so that the pumping efficiency is low.
SUMMERY OF THE UTILITY MODEL
The application provides a precipitation device for foundation ditch earthwork excavation stage filters the impurity in the sewage through water filtering mechanism to improve the efficiency of drawing water.
The application provides a precipitation device for foundation ditch earthwork excavation stage includes: the water filtering mechanism, the suspension rope, the drainage pipeline and the supporting mechanism; the water filtering mechanism comprises: the filter comprises a filter barrel, filter cloth, a water pump and at least one connecting part; the bottom end of the water filtering barrel is blocked, and a plurality of water passing holes communicated with the interior of the barrel are formed in the barrel wall; the filter cloth is arranged on the outer wall of the barrel wall of the water filtering barrel; the connecting part is arranged on the water filtering barrel; the water pump is positioned in the water filtering barrel, the water inlet end of the water pump is used for submerging into sewage of the foundation pit, the water outlet end of the water pump is connected with one end of the drainage pipeline, and the other end of the drainage pipeline is used for communicating with a drainage ditch; one end of the suspension rope is connected to the connecting part, and the other end of the suspension rope is used for being connected with the retaining wall; the supporting mechanism is used for supporting between the wall of the filtering water barrel and the underground continuous wall.
Further, still include: the water collecting pit is excavated in the foundation pit and is used for collecting sewage; the water filtering barrel is placed in the water collecting pit, and the inlet end of the water pump is immersed into sewage in the water collecting pit.
Further, the connecting portion are provided with two, two the connecting portion set up on the top side edge of straining the cask.
Further, the connecting part is a hanging ring arranged on the side edge of the top end of the water filtering barrel.
Further, the filtering water bucket includes: the water filter comprises a strainer and a plugging piece, wherein the plugging piece is fixedly arranged at the bottom end of the strainer so as to plug the bottom end of the strainer; the water through holes are formed in the strainer pipes; the two hanging rings are arranged on the side edge of the top end of the strainer.
Furthermore, the suspension ropes are provided with two suspension ropes, one ends of the two suspension ropes are respectively connected with the two hanging rings, and the other ends of the two suspension ropes are connected to the retaining wall.
Further, the length of the suspension rope is larger than the depth of the foundation pit.
Further, the drain line includes: the water pump comprises a flexible pipeline section and a rigid pipeline section, wherein one end of the flexible pipeline section is connected to the water outlet end of the water pump, the other end of the flexible pipeline section is connected to one end of the rigid pipeline, and the other end of the rigid pipeline is communicated to a drainage ditch.
Furthermore, the flexible pipeline section is a cloth-sandwiched rubber hose, and the rigid pipeline section is a galvanized steel pipe.
Further, the water filtering mechanism further comprises: the water pump support is arranged on the water pump support, the water pump support is placed in the water filtering barrel, the water inlet end of the water pump is located at the bottom end of the water pump, and the water outlet end of the water pump is arranged on the water pump.
According to the dewatering device for the foundation pit earthwork excavation stage of the embodiment, the water pump works, sewage firstly filters most impurities through the filter cloth, meanwhile, the sewage which filters most impurities enters the water filtering barrel through the water passing holes in the barrel wall of the water filtering barrel, then under the action of the water pump, the sewage is discharged to the drainage ditch through the water inlet end, the water outlet end and the drainage pipeline of the water pump, and the sewage discharged to the drainage ditch can be subjected to subsequent purification treatment and can be recycled. Through the setting of filter cloth on the drainage bucket, can filter most impurity, avoid impurity to block up the water pump to improve pumping efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a precipitation device for a foundation pit earth excavation stage provided by the application.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operation steps involved in the embodiments may be interchanged or modified in order as will be apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of description of certain embodiments and are not intended to necessarily refer to a required composition and/or order.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
Referring to fig. 1, the present embodiment provides a precipitation apparatus for an earth excavation stage of a foundation pit, the precipitation apparatus mainly including: the water filtering mechanism 10, the suspension rope 20, the drainage pipeline 30 and the supporting mechanism 40; wherein, water filtering mechanism 10 includes: a filtering water tank 11, a filtering cloth (not shown), a water pump 12, and at least one connecting part 13; the bottom end of the water filtering barrel 11 is blocked to form a blocking end, and a plurality of water passing holes (not shown in the figure) communicated with the inside of the barrel wall of the water filtering barrel 11 are formed. The filter cloth is arranged on the outer wall of the water filtering barrel 11 in a winding way. The connecting part 13 is arranged on the water filtering barrel 11. The water pump 12 is positioned in the water filtering barrel 11, the water inlet end of the water pump 12 is used for submerging into the sewage 101 of the foundation pit 100, the water outlet end of the water pump 12 is connected with one end of the drainage pipeline 30, and the other end of the drainage pipeline 30 is used for communicating with the drainage ditch 200; one end of the suspension string 20 is connected to the connection part 13, and the other end of the suspension string 20 is used for being connected to the retaining wall 300. The support mechanism 40 is used to support between the wall of the filtering water bucket 11 and the underground continuous wall 400 to ensure that the filtering water bucket 11 does not topple over.
In practical application, the filter cloth is of a structure with a plurality of fine pores, most impurities in sewage can be filtered, the water pump 12 works, the sewage firstly passes through the filter cloth to filter most impurities, meanwhile, the sewage which filters most impurities enters the water filtering barrel 11 through water passing holes in the barrel wall of the water filtering barrel 11, then under the action of the water pump 12, the sewage is discharged into the drainage ditch 200 through the water inlet end, the water outlet end and the drainage pipeline 30 of the water pump 12, and the sewage discharged into the drainage ditch can be subjected to subsequent purification treatment and recycled.
This application can filter most impurity in the sewage through the setting of the filter cloth of setting on drainage bucket 11, avoids impurity to block up the water pump to improve the efficiency of drawing water.
In one embodiment, the water filtering mechanism 10 further comprises: the water pump support 121, this water pump support 121 places in straining water bucket 11, and water pump 12 is installed on this water pump support 121, and the end of intaking of water pump 12 is located water pump 12 bottom, and the play water end of water pump 12 sets up on water pump 12. Through the setting of water pump support 121, it is built on stilts with the end of intaking of water pump 12, avoid the end of intaking of water pump 12 to be blocked by the shutoff end.
In this embodiment, the water pump 12 is generally of the QW type 100-30-15 with a flow rate of 100m3H, the lift is 30 m, and the power is 15 KW.
With continued reference to fig. 1, the precipitation apparatus provided in this embodiment further includes: a sump 50, the sump 50 being excavated in the foundation pit 100, the sump 50 being used for collecting sewage. The aforementioned filtered water tank 11 is placed in the sewage in the sump 50, and the inlet end of the water pump 12 is submerged in the sewage in the sump 50.
In one embodiment, the connection portion 13 is disposed at a port of the water filtering bucket 11 and is located at a side edge of the port.
In a preferred embodiment, two connecting portions 13 are provided at the side edges of the port of the filtering water bucket 11, and correspondingly, two suspension ropes 20 are provided, and the two suspension ropes 20 are respectively connected to the two connecting portions 13 and fixed on the retaining wall 300, so as to improve the stability of fixing the filtering water bucket 11.
In this embodiment, the connecting portion 13 is a hanging ring disposed on the side edge at the port of the water filtering bucket 11.
In this application, when the sewage is pumped to a level where the water level drops, the water filtering barrel 11 needs to be moved downward, and therefore, the length of the suspension rope 20 should be greater than the depth of the foundation pit 100. In other words, one end of the suspension string 20 is fixed to the connection part 13, and the other end of the suspension string is fixed to the retaining wall 300 while leaving a long distance for the drainage bucket 11 to descend, but it is necessary to ensure that the water inlet end of the water pump 12 is submerged into the sewage 101 in the foundation pit 100.
Of course, in another embodiment, the other end of the suspension string 20 is detachably fixed to the retaining wall 300 for easy fixing and detaching.
In an embodiment, the water filtering bucket 11 comprises: a filter pipe 111 and a plugging piece 112, the plugging piece 112 is fixedly arranged at the bottom end of the filter pipe 111 to plug the bottom end of the filter pipe 111. The water holes are disposed on the strainer 111, and the two rings are disposed on the top side edge of the strainer 111.
In some embodiments, the strainer 111 is a finished precipitation pipe, and in this embodiment, the strainer 111 is formed by cutting a six meter length of finished precipitation pipe into quarters.
With continued reference to fig. 1, the drain line 30 includes: the drainage system comprises a flexible pipeline section 31 and a rigid pipeline section 32, wherein one end of the flexible pipeline section 31 is connected to the water outlet end of the water pump 12, the other end of the flexible pipeline 31 is connected to one end of the rigid pipeline 32, and the other end of the rigid pipeline 32 is used for being communicated to a drainage ditch 200.
The flexible pipe section 31 is a cloth-sandwiched rubber hose, which has a certain flexibility, so that a flexible connection mode is formed between the flexible pipe section 31 and the rigid pipe section 32. Meanwhile, the pipe wall of the cloth-sandwiched rubber pipe is thick, so that the flexible pipe section 31 is not easily worn in the process of descending the filtering water barrel 11.
The rigid pipe section 32 is typically a galvanized steel pipe to avoid rust during use and to extend the useful life of the pipe.
In conclusion, when the water pump works, most impurities are firstly filtered by sewage through the filter cloth, meanwhile, the sewage with most impurities is filtered enters the water filtering barrel through the water passing holes in the wall of the water filtering barrel, then the sewage is discharged into the drainage ditch through the water inlet end, the water outlet end and the drainage pipeline of the water pump under the action of the water pump, and the sewage discharged into the drainage ditch can be recycled through subsequent purification treatment. Through the setting of filter cloth on the drainage bucket, can filter most impurity, avoid impurity to block up the water pump to improve pumping efficiency.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims (10)

1. A precipitation device for foundation pit earthwork excavation stage, comprising: the water filtering mechanism, the suspension rope, the drainage pipeline and the supporting mechanism; the water filtering mechanism comprises: the filter comprises a filter barrel, filter cloth, a water pump and at least one connecting part; the bottom end of the water filtering barrel is blocked, and a plurality of water passing holes communicated with the interior of the barrel are formed in the barrel wall; the filter cloth is arranged on the outer wall of the barrel wall of the water filtering barrel; the connecting part is arranged on the water filtering barrel; the water pump is positioned in the water filtering barrel, the water inlet end of the water pump is used for submerging into sewage of the foundation pit, the water outlet end of the water pump is connected with one end of the drainage pipeline, and the other end of the drainage pipeline is used for communicating with a drainage ditch; one end of the suspension rope is connected to the connecting part, and the other end of the suspension rope is used for being connected with the retaining wall; the supporting mechanism is used for supporting between the wall of the filtering water barrel and the underground continuous wall.
2. The precipitation apparatus for use in an earth excavation stage of a foundation pit of claim 1, further comprising: the water collecting pit is excavated in the foundation pit and is used for collecting sewage; the water filtering barrel is placed in the water collecting pit, and the inlet end of the water pump is immersed into sewage in the water collecting pit.
3. The precipitation device for the earth excavation stage of the foundation pit as claimed in claim 1, wherein there are two of the connecting portions, and two of the connecting portions are provided on top end side edges of the water filtering buckets.
4. The precipitation device for the earth excavation stage of the foundation pit as claimed in claim 3, wherein the connecting portion is a lifting ring provided on a top end side edge of the water filtering bucket.
5. The precipitation apparatus for use in an earth excavation stage of a foundation pit of claim 4, wherein the water filtration tank comprises: the water filter comprises a strainer and a plugging piece, wherein the plugging piece is fixedly arranged at the bottom end of the strainer so as to plug the bottom end of the strainer; the water through holes are formed in the strainer pipes; the two hanging rings are arranged on the side edge of the top end of the strainer.
6. The dewatering apparatus for use in an earth excavation stage of a foundation pit according to claim 5, wherein there are two suspension ropes, and one end of each of the two suspension ropes is connected to the two hoisting rings, and the other end of each of the two suspension ropes is connected to the retaining wall.
7. The precipitation apparatus for use in an earth excavation stage of a foundation pit of claim 1, wherein the length of the suspension rope is greater than the depth of the foundation pit.
8. The precipitation apparatus for use in an earth excavation stage of a foundation pit of claim 1, wherein the drainage conduit comprises: the water pump comprises a flexible pipeline section and a rigid pipeline section, wherein one end of the flexible pipeline section is connected to the water outlet end of the water pump, the other end of the flexible pipeline section is connected to one end of the rigid pipeline, and the other end of the rigid pipeline is communicated to a drainage ditch.
9. The precipitation apparatus for use in an earth excavation stage of a foundation pit as claimed in claim 8, wherein the flexible pipe section is a cloth-sandwiched rubber hose and the rigid pipe section is a galvanized steel pipe.
10. The precipitation apparatus for use in an earth excavation stage of a foundation pit of claim 1, wherein the water filtering mechanism further comprises: the water pump support is arranged on the water pump support, the water pump support is placed in the water filtering barrel, the water inlet end of the water pump is located at the bottom end of the water pump, and the water outlet end of the water pump is arranged on the water pump.
CN202120707420.9U 2021-04-07 2021-04-07 A precipitation device for foundation ditch earthwork excavation stage Active CN215053142U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120707420.9U CN215053142U (en) 2021-04-07 2021-04-07 A precipitation device for foundation ditch earthwork excavation stage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120707420.9U CN215053142U (en) 2021-04-07 2021-04-07 A precipitation device for foundation ditch earthwork excavation stage

Publications (1)

Publication Number Publication Date
CN215053142U true CN215053142U (en) 2021-12-07

Family

ID=79151699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120707420.9U Active CN215053142U (en) 2021-04-07 2021-04-07 A precipitation device for foundation ditch earthwork excavation stage

Country Status (1)

Country Link
CN (1) CN215053142U (en)

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