CN207436079U - A kind of drainage for foundation pit construction only gushes device - Google Patents
A kind of drainage for foundation pit construction only gushes device Download PDFInfo
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- CN207436079U CN207436079U CN201721504634.6U CN201721504634U CN207436079U CN 207436079 U CN207436079 U CN 207436079U CN 201721504634 U CN201721504634 U CN 201721504634U CN 207436079 U CN207436079 U CN 207436079U
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- steel sleeve
- foundation pit
- drainage
- tapping pipe
- pit construction
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Abstract
Device only is gushed the utility model discloses a kind of drainage for foundation pit construction, its key points of the technical solution are that：A kind of drainage for foundation pit construction only gushes device, including steel sleeve, plugged zone is equipped in the steel sleeve, the plugged zone includes the leak stopping layer, confined layer and the pervious bed that set gradually from top to bottom, top position on the steel sleeve positioned at pervious bed is equipped with drainage arrangement, the drainage arrangement includes the tapping pipe being connected on steel sleeve, and the tapping pipe is equipped with control water valve.Pervious bed stops that the sand in foundation pit enters in steel sleeve while the moisture in foundation pit is enabled to penetrate into steel sleeve, therefore is not easy to generate landslide or regional sedimentation due to sand is largely lost in foundation pit.
Description
Technical field
The invention belongs to the technical fields of foundation pit construction, and in particular to piping in foundation pit stops the dress gushed during a kind of foundation pit construction
It puts.
Background technology
In the higher permeable ground of level of ground water（Such as sandy soil and silt）During middle progress excavation, due to hole
Inside and outside water-head is big, easily generate latent erosion, drift sand, piping, it is prominent the infiltration breakoff phenomenon such as gush, cause side slope or the mistake of foundation pit crater wall
Surely, the safety of building is directly influenced.
Notification number discloses a kind of water burst for being used to close deep basal pit exploratory hole for the Chinese patent of CN204715426U and draws
Device is flowed, it includes, including sequentially connected outflow tube, valve, connecting tube, accommodation and drainage tube from top to bottom, the drainage
The lower part of pipe is inserted into exploratory hole, is equipped with water blockoff structure in the top periphery of the drainage tube, the water blockoff structure includes setting
The expansion water-stop ring on the drainage tube and the pit being formed in around the drainage tube are put, envelope is formed in the pit
Bridging structure.
During using the above-mentioned water burst drainage system for being used to close deep basal pit exploratory hole to foundation pit progress draining, easily make foundation pit
Interior sand etc. flows out foundation pit, so as to which generation area property around foundation pit is caused to settle.
Utility model content
The purpose of this utility model is to provide a kind of drainage for foundation pit construction and only gushes device, and advantage is in foundation pit
Sand not easily runs off, and regional the problems such as settling is not susceptible in foundation pit.
The above-mentioned technical purpose of the utility model technical scheme is that：One kind is used for foundation pit construction
Drainage only gush device, including steel sleeve, plugged zone is equipped in the steel sleeve, the plugged zone includes setting successively from top to bottom
Leak stopping layer, confined layer and the pervious bed put, the top position that pervious bed is located on the steel sleeve are equipped with drainage arrangement, the row
Water installations include the tapping pipe being connected on steel sleeve, and the tapping pipe is equipped with control water valve.
Through the above technical solutions, steel sleeve is used to be mounted in foundation pit, plugged zone is for being filled in steel sleeve, draining
Device is used to discharging water in steel sleeve, and the water in foundation pit is discharged from pervious bed overflow, and from tapping pipe, and control water valve is for controlling
Leak stopping layer and confined layer cause the water in steel sleeve to be not easy to gush whether the conducting of tapping pipe processed, and pervious bed is in foundation pit is caused
Moisture, which can be penetrated into, to be entered into the sand in stop foundation pit while steel sleeve in steel sleeve, therefore is not easy in foundation pit because sand is big
Amount is lost in and generates landslide or regional sedimentation.
The utility model is further arranged to：The steel sleeve is equipped with several drain holes, the company of being equipped at the drain hole
It takes over, the connecting tube is threadedly coupled with tapping pipe.
Through the above technical solutions, connecting tube is arranged at drain hole, connecting tube connecting tube and is let out for connecting tapping pipe
Water pipe thread connects, therefore installation, the convenient disassembly of tapping pipe, and the water in steel sleeve is from drain hole by being flowed into connecting tube
In tapping pipe, during assembling, first connecting tube can be mounted on by the modes such as welding at the drain hole of steel sleeve, treats that steel sleeve is installed
Tapping pipe is reconnected after into foundation pit, facilitates construction.
The utility model is further arranged to：The interior step for being equipped with to contradict tapping pipe of the connecting tube, the step
Gasket is equipped between tapping pipe.
Through the above technical solutions, when tapping pipe is connected in connecting tube, the end face of tapping pipe is contradicted on step so that
Tapping pipe can be crossed and is installed in place, meanwhile, tapping pipe is contradicted on step, increases threaded connection place between connecting tube and tapping pipe
Pressure so that be threadedly coupled relatively reliable, tapping pipe is difficult to slide, gasket for sealed joint pipe and tapping pipe connection
Place, is allowed to antileaking, when tapping pipe is connected in connecting tube, the end face of tapping pipe and the step crush seal pad of connecting tube,
Water is not easy to ooze out at step in tapping pipe.
The utility model is further arranged to：The both sides of the gasket are equipped with fin, and the step and tapping pipe are close
One end of step is equipped with and the matched groove of fin.
Through the above technical solutions, fin is sticked into groove, therefore gasket is not easily to fall off during the work time, gasket
Stability in use it is high.
The utility model is further arranged to：The circumferential direction of the drain hole along steel sleeve is uniformly provided with four.
Through the above technical solutions, four drain holes correspond to four groups of drainage arrangements, facilitate and discharge the water in steel sleeve, four
A drain hole increases whole reliability, and when one of drain hole blocks, other drain holes still can realize draining
Function.
The utility model is further arranged to：On the steel sleeve between leak stopping layer and confined layer, confined layer and thoroughly
Indicator board is equipped between water layer.
Through the above technical solutions, it is necessary to be sequentially filled pervious bed, closed into foundation pit after steel sleeve is installed into foundation pit
Layer and leak stopping layer, indicator board facilitates observation and confirms filled pervious bed or whether confined layer reaches specified altitude assignment, and nothing
It need to be confirmed by modes such as ruler measurements, facilitate construction.
The utility model is further arranged to：It is equipped with ribs on the inside of the steel sleeve, the ribs is along steel sleeve
Spiral inner wall shape is set.
Through the above technical solutions, ribs strengthens the intensity of steel sleeve so that steel sleeve is not variable in use
Shape, spiral ribs are conducive to improve the flexural strength in steel sleeve all directions, meanwhile, spiral ribs is not
The filler in steel sleeve is easily hindered to sink, is not easy in steel sleeve to form larger cavity when being provided with ribs.
The utility model is further arranged to：The outer wall of the steel sleeve is equipped with corrosion protection cover, and the corrosion protection cover, which is equipped with, to be carved
Spend ruler.
Through the above technical solutions, corrosion protection cover wraps up steel sleeve so that steel sleeve is not susceptible to corrosion equal loss, graduated scale
It is observed for construction personnel and confirms that steel sleeve sinks to the depth of foundation pit, so as to judge it is deep whether steel sleeve is installed into specifying
Degree.
The utility model is further arranged to：The top of the steel sleeve is equipped with several engaging lugs.
Through the above technical solutions, engaging lug facilitates the lifting to steel sleeve, crane can be passed through when installing steel sleeve
Hanging devices lifting steel sleeve is waited, facilitates the installation of steel sleeve.
The utility model is further arranged to：The outer wall of the steel sleeve is equipped with fixing rib, and the fixing rib is along steel bushing
The outer wall helix shape of pipe.
Through the above technical solutions, fixing rib further improves the intensity of steel sleeve so that steel sleeve is using process
In be unlikely to deform, spiral fixing rib facilitates one-pass molding, facilitates processing.
In conclusion the utility model has the advantages that：
1. by filling pervious bed in steel sleeve so that the water in foundation pit stops base while can penetrating into steel sleeve
Sand in hole is entered in steel sleeve, so as to which the sand in foundation pit is not easy largely to be lost in, be not easy to occur caving in foundation pit or
The problems such as person's regionality sedimentation；
2. gasket is equipped between connecting tube and tapping pipe so that the junction antileaking of connecting tube and tapping pipe, it is close
The both sides of packing are equipped with fin, and the end face of tapping pipe and the step of connecting tube are equipped with and the matched groove of fin, fin insertion
In groove so that gasket is not easily to fall off in use.
Description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the schematic cross-sectional view that closure layer structure is embodied in the present embodiment；
Fig. 3 is the enlarged drawing at A in Fig. 2.
Reference numeral：1st, steel sleeve；2nd, plugged zone；21st, leak stopping layer；22nd, confined layer；23rd, pervious bed；3rd, drainage arrangement；
4th, tapping pipe；5th, water valve is controlled；6th, drain hole；7th, connecting tube；71st, step；8th, gasket；81st, fin；9th, groove；10th, indicate
Plate；11st, ribs；12nd, corrosion protection cover；13rd, graduated scale；14th, engaging lug；15th, fixing rib.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：A kind of drainage for foundation pit construction only gushes device, only gushes, refers to for the drainage of the moisture in foundation pit
Fig. 1, including steel sleeve 1, for steel sleeve 1 for being placed in foundation pit, steel sleeve 1 is equipped with drainage arrangement 3, and drainage arrangement 3 is used for
Water in steel sleeve 1 is discharged.
With reference to figure 2, the position that steel sleeve 1 is connected with drainage arrangement 3 is equipped with drain hole 6, and drain hole 6 is used for steel sleeve 1
Interior water is guided in drainage arrangement 3.In the present embodiment, the axial direction of drain hole 6 along steel sleeve 1 is uniformly provided with four, four
Drain hole 6 corresponds to four groups of drainage arrangements 3, facilitates and discharges the water in steel sleeve 1, and four drain holes 6 increase whole reliability,
When one of drain hole 6 blocks, other drain holes 6 still can realize drain function.
With reference to figure 2, drainage arrangement 3 includes the tapping pipe 4 connected with steel sleeve 1, and tapping pipe 4 is equipped with control water valve 5, control
, it is necessary to during 4 draining of tapping pipe whether gate valve 5 controls the conducting of tapping pipe 4, then water valve 5 is controlled to open, tapping pipe 4 turns on.Phase
Anti-, if 4 draining of tapping pipe is not required, control water valve 5 is closed, and tapping pipe 4 is not turned on.
Referring to figs. 2 and 3, connecting tube 7 is equipped between drain hole 6 and tapping pipe 4, connecting tube 7 is used to connect tapping pipe 4
To steel sleeve 1, when it is implemented, connecting tube 7 can be connected to the position for being located at drain hole 6 on steel sleeve 1 by modes such as welding
It puts.Connecting tube 7 is connected with the mode that tapping pipe 4 is connected through a screw thread, and tapping pipe 4 connects and dismantle convenient.It is set in connecting tube 7
There is step 71, when tapping pipe 4 is connected in connecting tube 7, the end face of tapping pipe 4 is contradicted on step 71, and step 71 is to tapping pipe 4
Play position-limiting action so that tapping pipe 4 is connected to designated position.
With reference to figure 3, in order to enable the junction antileaking of connecting tube 7 and tapping pipe 4, the end face of tapping pipe 4 and connection
Gasket 8 is equipped between the step 71 of pipe 7, gasket 8 seals the gap between tapping pipe 4 and connecting tube 7 so that water be not easy from
This is leaked out.The both sides of gasket 8 are equipped with fin 81, and the end face of tapping pipe 4 and the end face of connecting tube 7 are equipped with groove 9, fin
81 inject in groove 9, and gasket 8 is not easily to fall off.
With reference to figure 2, filled with plugged zone 2 in steel sleeve 1, wherein, plugged zone 2 include respectively from top to bottom leak stopping layer 21,
Confined layer 22 and pervious bed 23, for pervious bed 23 for permeable, water can normally penetrate into pervious bed 23, in the present embodiment, pervious bed 23
It is filled by rubble；Confined layer 22 is for tentatively blocking pervious bed 23, and confined layer 22 is filled out by sand in the present embodiment
It fills；Leak stopping layer 21 is for being sealed steel sleeve 1 processing, and leak stopping layer 21 is formed by Concrete Filled in the present embodiment.
Pervious bed 23 is filled to the top of drain hole 6, and when steel sleeve 1 is placed in foundation pit, the water in foundation pit is penetrated into pervious bed 23, thoroughly
Water is discharged from drain hole 6 when height of water level in water layer 23 reaches the position of drain hole 6, and pervious bed 23 stops in foundation pit simultaneously
Sand causes the sand in foundation pit to be not easy largely to be lost in, and landslide or local the problems such as settling are not susceptible in foundation pit.Leak stopping layer
21 sealing steel sleeves 1 so that water is not easy to gush out from the upper end of steel sleeve 1 in steel sleeve 1.Confined layer 22 is used to obstruct pervious bed 23
With leak stopping layer 21 so that leak stopping layer 21 is not easy to influence pervious bed 23.
With reference to figure 2, in order to confirm whether a filled layer has been filled into specified altitude assignment in construction, the inner wall of steel sleeve 1 is set
There is indicator board 10, indicator board 10 is located at the specified altitude assignment of confined layer 22 and pervious bed 23, therefore fills confined layer 22 or permeable
During layer 23, it is only necessary to which material is filled to the height of indicator board 10, facilitates construction.
With reference to figure 2, the inside of steel sleeve 1 is equipped with ribs 11, and ribs 11 strengthens the intensity of steel sleeve 1 so that steel bushing
Pipe 1 is unlikely to deform in use, and ribs 11 is set along the spiral inner wall shape of steel sleeve 1, spiral ribs 11
Be conducive to improve the flexural strength in 1 all directions of steel sleeve, meanwhile, spiral ribs 11 is not easy to hinder steel sleeve 1
Interior filler sinks, and is not easy to form larger cavity when being provided with ribs 11 in steel sleeve 1.
With reference to figure 2, in order to further improve the whole intensity of steel sleeve 1, the outer wall of steel sleeve 1 is equipped with fixing rib 15, Gu
Determine rib 15 to set along the outer wall spiral shape of steel sleeve 1, convenient for one-pass molding.
With reference to figure 1, the outer wall of steel sleeve 1 is equipped with corrosion protection cover 12, and corrosion protection cover 12 wraps up steel sleeve 1, and protection steel sleeve 1 is allowed to
It is not susceptible to corrosion.Corrosion protection cover 12 is equipped with graduated scale 13, and graduated scale 13 is observed for construction personnel and confirms that steel sleeve 1 is sunk to
The depth of foundation pit, so as to judge whether steel sleeve 1 is installed into designated depth.
With reference to figure 1, steel sleeve 1 is equipped with several engaging lugs 14, and engaging lug 14 facilitates the lifting to steel sleeve 1, pacifying
Steel sleeve 1 can be lifted by hanging devices such as cranes during steel loading casing 1, facilitate the installation of steel sleeve 1.
Installation steps：First with testing tube（Minor diameter pvc pipes etc.）Insertion, which is shoved, a little to be determined to need to anchor into shove a little
Depth to determine the length of drainage steel sleeve 1, then measures the coverage shoved a little, determines the diameter of drainage steel sleeve 1；
Steel sleeve 1 is processed according to data above, and tapping pipe 4 and control water valve 5 are assembled；By drawing for assembled foundation pit construction
Stream is only gushed after device insertion shoves a little, and the drainage of foundation pit construction is stopped and gushes device and carries out layering closure, successively by pervious bed 23, close
Sealing, leak stopping layer 21 are filled in steel sleeve 1, finally open control water valve 5 to place's progress precipitation pressure of shoving.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (10)
1. a kind of drainage for foundation pit construction only gushes device, which is characterized in that including steel sleeve (1), in the steel sleeve (1)
Equipped with plugged zone (2), the plugged zone (2) includes the leak stopping layer (21) set gradually from top to bottom, confined layer (22) and permeable
Layer (23), the top position that pervious bed (23) is located on the steel sleeve (1) are equipped with drainage arrangement (3), the drainage arrangement (3)
Including the tapping pipe (4) being connected on steel sleeve (1), the tapping pipe (4) is equipped with control water valve (5).
2. the drainage according to claim 1 for foundation pit construction only gushes device, which is characterized in that the steel sleeve (1)
Several drain holes (6) are equipped with, connecting tube (7), the connecting tube (7) and tapping pipe (4) screw thread are equipped at the drain hole (6)
Connection.
3. the drainage according to claim 2 for foundation pit construction only gushes device, which is characterized in that the connecting tube (7)
The interior step (71) for being equipped with to contradict tapping pipe (4), is equipped with gasket (8) between the step (71) and tapping pipe (4).
4. the drainage according to claim 3 for foundation pit construction only gushes device, which is characterized in that the gasket (8)
Both sides be equipped with fin (81), the step (71) and tapping pipe (4) are equipped with close to one end of step (71) and fin (81)
Matched groove (9).
5. the drainage according to claim 2 for foundation pit construction only gushes device, which is characterized in that the drain hole (6)
Four are uniformly provided with along the circumferential direction of steel sleeve (1).
6. the drainage according to claim 1 for foundation pit construction only gushes device, which is characterized in that the steel sleeve (1)
It is upper to be equipped with indicator board (10) between leak stopping layer (21) and confined layer (22), between confined layer (22) and pervious bed (23).
7. the drainage according to claim 1 for foundation pit construction only gushes device, which is characterized in that the steel sleeve (1)
Inside is equipped with ribs (11), and the ribs (11) is set along steel sleeve (1) spiral inner wall shape.
8. the drainage according to claim 1 for foundation pit construction only gushes device, which is characterized in that the steel sleeve (1)
Outer wall be equipped with corrosion protection cover (12), the corrosion protection cover (12) be equipped with graduated scale (13).
9. the drainage according to claim 1 for foundation pit construction only gushes device, which is characterized in that the steel sleeve (1)
Top be equipped with several engaging lugs (14).
10. the drainage according to claim 1 for foundation pit construction only gushes device, which is characterized in that the steel sleeve (1)
Outer wall be equipped with fixing rib (15), outer wall helix shape of the fixing rib (15) along steel sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721504634.6U CN207436079U (en) | 2017-11-11 | 2017-11-11 | A kind of drainage for foundation pit construction only gushes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721504634.6U CN207436079U (en) | 2017-11-11 | 2017-11-11 | A kind of drainage for foundation pit construction only gushes device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436079U true CN207436079U (en) | 2018-06-01 |
Family
ID=62289140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721504634.6U Active CN207436079U (en) | 2017-11-11 | 2017-11-11 | A kind of drainage for foundation pit construction only gushes device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610488A (en) * | 2018-12-20 | 2019-04-12 | 北京天润建设有限公司 | A kind of form of construction work draining pressure relief device and foundation pit |
| CN118087535A (en) * | 2024-04-24 | 2024-05-28 | 上海建工二建集团有限公司 | Foundation pit bottom surge emergency grouting device and construction method thereof |
-
2017
- 2017-11-11 CN CN201721504634.6U patent/CN207436079U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610488A (en) * | 2018-12-20 | 2019-04-12 | 北京天润建设有限公司 | A kind of form of construction work draining pressure relief device and foundation pit |
| CN118087535A (en) * | 2024-04-24 | 2024-05-28 | 上海建工二建集团有限公司 | Foundation pit bottom surge emergency grouting device and construction method thereof |
| CN118087535B (en) * | 2024-04-24 | 2024-07-09 | 上海建工二建集团有限公司 | Foundation pit bottom surge emergency grouting device and construction method thereof |
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