CN203834494U - Water-collecting well type deep well bottom plate penetrating device - Google Patents
Water-collecting well type deep well bottom plate penetrating device Download PDFInfo
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- CN203834494U CN203834494U CN201420162649.9U CN201420162649U CN203834494U CN 203834494 U CN203834494 U CN 203834494U CN 201420162649 U CN201420162649 U CN 201420162649U CN 203834494 U CN203834494 U CN 203834494U
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Abstract
The utility model discloses a water-collecting well type deep well bottom plate penetrating device. The deep well bottom plate penetrating device comprises a waterproof casing sleeving the outer side of a deep well corrugated pipe and a steel reinforcement cage welded on a bottom plate rib, wherein the waterproof casing comprises a steel sleeve main body, a water-stop steel plate, a flange plate and a flange plate cover plate connected with the flange plate; the steel reinforcement cage comprises a steel reinforcement cage main body and steel wire meshes arranged on the outer side of the steel reinforcement cage main body in a coating manner; the water-stop steel plate and the flange plate respectively sleeve the outer sides of the middle part and the top end of the steel sleeve main body; the water-stop steel plate is embedded in the bottom plate concrete; the flange plate and the flange plate cover plate penetrate into the steel reinforcement cage main body. The water-collecting well type deep well bottom plate penetrating device is different from the conventional manner that a submersible pump is adopted to pump water from the deep well, and can place the submersible pump in the water-collecting well to pump water, so that the top of the casing can be sealed to effectively solve the technical problem that in the prior art the casing port is difficult to seal, and then the impurities can enter the deep well to cause deep well blocking and influence the water pumping effect.
Description
Technical field
The utility model belongs to Construction Technology field, and the deep-well that specifically relates to a kind of collecting well formula is worn bottom plate apparatus.
Background technology
In the Foundation Pit Construction in sandy soil area, deep-well precipitation is the most frequently used a kind of precipitation method.Due to base plate sedimentation after-pouring need be after both sides building settlement be basicly stable could shutoff and impervious problem, the control of groundwater table runs through total work progress substantially.In general, after basement bottom board has been constructed, deep-well needs spreading and continues to draw water until top out.Present deep-well is worn the mode that basement bottom board substantially all adopts external sleeve pipe, can effectively prevent Groundwater infiltration base plate and carry out very easily shutoff.Yet the sealing of sleeve opening is but a problem very much, often can cause deep-well to stop up because foreign material enter in deep-well, affect dewatering effect.
Application number is the plugging structure that 201310295447.1 Chinese patent application discloses the reserved collecting well of a kind of concrete foundation base plate, this plugging structure comprises the downcomer being arranged in collecting well, be arranged on the bottom screen of downcomer bottom, be enclosed within the filter screen outside downcomer, downcomer is arranged in collecting well on the lower a section tube wall and is provided with inlet opening and filter screen set outside this section of tube wall, plugging structure also comprises the concrete cylindrical being successively set on from the bottom to top in downcomer, coarse sand packed layer, rubber water-proof piston, pipe inner concrete section, the diameter of concrete cylindrical is slightly less than the internal diameter of downcomer, the packed height of coarse sand packed layer surpasses described filter screen top, the external diameter of rubber water-proof piston equates with the internal diameter of downcomer.This plugging structure has solved the constructional difficulties causing because ground water pressure is excessive, the problem that Quality of recovery cannot guarantee to a certain extent; but the sealing of sleeve opening is but a problem very much; often can cause deep-well to stop up because foreign material enter in deep-well, the technical problem that affects dewatering effect be still difficult to solve.
Summary of the invention
Technical problem to be solved in the utility model is worn bottom plate apparatus with regard to being to provide a kind of deep-well of collecting well formula, be different from the form that traditional submersible pump draws water in deep-well, submersible pump can be seated in collecting well and draw water outward, thereby can, by sleeve pipe top seal, improve dewatering effect.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of deep-well of collecting well formula is worn bottom plate apparatus, comprise and be enclosed within the water string in deep-well bellows outside and be welded on the reinforcing cage on base plate gluten, described water string comprises steel sleeve body, steel plate for sealing water, flange and the flange cover plate being connected with described flange, described reinforcing cage comprises reinforcing cage body and is wrapped in the gauze wire cloth in described reinforcing cage body outside, described steel plate for sealing water and flange are enclosed within respectively the outside on described steel sleeve body middle part and top, described steel plate for sealing water is embedded in underplate concrete, described flange and flange cover plate penetrate in described reinforcing cage body.Reinforcing cage body middle part is provided with through hole longitudinally, its lateral surface and bottom are all enclosed with gauze wire cloth, steel sleeve body top end face is also enclosed with gauze wire cloth, prevent from causing deep-well to stop up because foreign material enter in deep-well, on flange and flange cover plate, have bolt hole, during sealing, aim at bolt hole and use successively bolt tightening, with the ad eundem concrete of microdilatancy, fill collecting well more afterwards.
Preferably, between described steel plate for sealing water and steel sleeve body, be weld all around between described flange and steel sleeve body and fix, between described flange and flange cover plate, be bolted.Weld all around is fixing can be guaranteed to be tightly connected between all parts, prevent the problems such as infiltration, and flange connection can make the sealing at sleeve pipe top convenient, is conducive to constructing operation.
Preferably, described steel sleeve body bottom end face is provided with and filters every sand net, the outside cover of described steel sleeve body bottom has ballistic support cover, described ballistic support cover extends to described steel sleeve body bottom end face from described steel plate for sealing water soffit, between described ballistic support cover and steel sleeve body, is interval with support bar.Sleeve pipe is played to good protection and supporting role, further prevent infiltration, improve dewatering effect.
The deep-well of a kind of collecting well formula of the present utility model is worn bottom plate apparatus, and the sealing that effectively overcomes prior art middle sleeve mouth is but a problem very much, often can cause deep-well to stop up because foreign material enter in deep-well, affects the technical problem of dewatering effect.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is the structural representation that the deep-well of a kind of collecting well formula of the utility model is worn bottom plate apparatus embodiment 1;
Fig. 2 is the top view of the utility model embodiment 1;
Fig. 3 is the structural representation of reinforcing cage in the utility model embodiment 1;
Fig. 4 is the structural representation that the deep-well of a kind of collecting well formula of the utility model is worn bottom plate apparatus embodiment 2.
The specific embodiment
As shown in Figures 1 to 3, for the deep-well of a kind of collecting well formula of the utility model is worn bottom plate apparatus embodiment 1, comprise and be enclosed within the water string 1 in deep-well bellows 4 outsides and be welded on the reinforcing cage 2 on base plate gluten 31, described water string 1 comprises steel sleeve body 11, steel plate for sealing water 12, flange 13 and the flange cover plate 14 being connected with described flange 13, described reinforcing cage 2 comprises reinforcing cage body 21 and is wrapped in the gauze wire cloth 22 in described reinforcing cage body 21 outsides, described steel plate for sealing water 12 and flange 13 are enclosed within respectively the outside on described steel sleeve body 11 middle parts and top, described steel plate for sealing water 12 is embedded in underplate concrete 3, described flange 13 and flange cover plate 14 penetrate in described reinforcing cage body 21.Base plate gluten 31 is close to the upper surface of underplate concrete 3, underplate concrete 3 belows are water tables 5, reinforcing cage body 21 middle parts are provided with through hole longitudinally, its lateral surface and bottom are all enclosed with gauze wire cloth 22, steel sleeve body 11 top end faces are also enclosed with casing steel silk screen 111, prevent from causing deep-well to stop up because foreign material enter in deep-well, on flange 13 and flange cover plate 14, have bolt hole, during sealing, aim at bolt hole and use successively bolt tightening, with the ad eundem concrete of microdilatancy, fill collecting well more afterwards.
Between described steel plate for sealing water 12 and steel sleeve body 11, between described flange 13 and steel sleeve body 11, be weld all around and fix, between described flange 13 and flange cover plate 14, be bolted.Weld all around is fixing can be guaranteed to be tightly connected between all parts, prevent the problems such as infiltration, and flange connection can make the sealing at sleeve pipe top convenient, is conducive to constructing operation.
First according to base plate thickness and deep-well diameter, select suitable water string 1 and make reinforcing cage 2, steel sleeve body 11 outsides, middle part are welded with the steel plate for sealing water 12 of annular, welded top has the flange 13 that has some bolts hole, the openning that can hold sleeve pipe is left in reinforcing cage 2 bottoms, and the openning that can facilitate personnel to operate is left at top.During operation, reinforcing cage 2 outsourcings wrap dense mesh 22, and weld with base plate gluten 3 and bearing muscle, base plate gluten 3 blocks at collecting well position and reserved steel bar joint, water string 1 is just through reinforcing cage 2 expose flange 13, and steel plate for sealing water 12 is at reinforcing cage below 2.
Build before underplate concrete 3, check between gauze wire cloth 22 and sleeve whether welding is good, while preventing concreting, concrete enters reinforcing cage 2 by this gap.After underplate concrete 3 maintenances, deep well submerged pump is proposed, and sleeve opening is wrapped with casing steel silk screen 111, submersible pump can continue to draw water in collecting well.During according to designing requirement sealing deep-well, first with water pump, underground water is dropped to flange below 13, then remove fast water pump and build flange cover plate 14, aim at bolt hole and tighten successively.Finally with the waterproof concrete of microdilatancy ad eundem, collecting well region is built.
As shown in Figure 4, for the deep-well of a kind of collecting well formula of the utility model is worn bottom plate apparatus embodiment 2, its structure is substantially similar to embodiment 1, difference is: described steel sleeve body 11 bottom end faces are provided with and filter every sand net 8, the outside cover of described steel sleeve body 11 bottoms has ballistic support cover 6, described ballistic support cover 6 extends to described steel sleeve body 11 bottom end faces from described steel plate for sealing water 12 soffits, between described ballistic support cover 6 and steel sleeve body 11, is interval with support bar 7.Ballistic support cover 6 and 7 pairs of water strings 1 of support bar play good protection and supporting role, further prevent infiltration, improve dewatering effect.Filtration can prevent from causing deep-well to stop up because foreign material enter in deep-well every sand net 8.
The foregoing is only specific embodiment of the utility model, but technical characterictic of the present utility model is not limited to this, any those skilled in the art is in field of the present utility model, and the variation of doing or modification are all encompassed among the scope of the claims of the present utility model.
Claims (3)
1. the deep-well of a collecting well formula is worn bottom plate apparatus, it is characterized in that: comprise and be enclosed within the water string (1) in deep-well bellows (4) outside and be welded on the reinforcing cage (2) on base plate gluten (31), described water string (1) comprises steel sleeve body (11), steel plate for sealing water (12), flange (13) and the flange cover plate (14) being connected with described flange (13), described reinforcing cage (2) comprises reinforcing cage body (21) and is wrapped in the gauze wire cloth (22) in described reinforcing cage body (21) outside, described steel plate for sealing water (12) and flange (13) are enclosed within respectively the outside on described steel sleeve body (11) middle part and top, described steel plate for sealing water (12) is embedded in underplate concrete (3), described flange (13) and flange cover plate (14) penetrate in described reinforcing cage body (21).
2. the deep-well of a kind of collecting well formula according to claim 1 is worn bottom plate apparatus, it is characterized in that: between described steel plate for sealing water (12) and steel sleeve body (11), be weld all around between described flange (13) and steel sleeve body (11) and fix, between described flange (13) and flange cover plate (14), be bolted.
3. the deep-well of a kind of collecting well formula according to claim 1 and 2 is worn bottom plate apparatus, it is characterized in that: described steel sleeve body (11) bottom end face is provided with and filters every sand net (8), the outside cover of described steel sleeve body (11) bottom has ballistic support cover (6), described ballistic support cover (6) extends to described steel sleeve body (11) bottom end face from described steel plate for sealing water (12) soffit, between described ballistic support cover (6) and steel sleeve body (11), is interval with support bar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162649.9U CN203834494U (en) | 2014-04-03 | 2014-04-03 | Water-collecting well type deep well bottom plate penetrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162649.9U CN203834494U (en) | 2014-04-03 | 2014-04-03 | Water-collecting well type deep well bottom plate penetrating device |
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| Publication Number | Publication Date |
|---|---|
| CN203834494U true CN203834494U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420162649.9U Expired - Fee Related CN203834494U (en) | 2014-04-03 | 2014-04-03 | Water-collecting well type deep well bottom plate penetrating device |
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| CN (1) | CN203834494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114250799A (en) * | 2021-11-19 | 2022-03-29 | 中交二航局建筑工程有限公司 | Basement sump and elevator shaft steel sleeve open drainage precipitation construction device and method |
-
2014
- 2014-04-03 CN CN201420162649.9U patent/CN203834494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114250799A (en) * | 2021-11-19 | 2022-03-29 | 中交二航局建筑工程有限公司 | Basement sump and elevator shaft steel sleeve open drainage precipitation construction device and method |
| CN114250799B (en) * | 2021-11-19 | 2023-11-21 | 中交二航局建筑工程有限公司 | Basement sump pit and elevator shaft steel sleeve open drainage dewatering construction device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20150403 |
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| EXPY | Termination of patent right or utility model |