CN207469425U - A kind of underwater plugging device of drainpipe - Google Patents
A kind of underwater plugging device of drainpipe Download PDFInfo
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- CN207469425U CN207469425U CN201721550701.8U CN201721550701U CN207469425U CN 207469425 U CN207469425 U CN 207469425U CN 201721550701 U CN201721550701 U CN 201721550701U CN 207469425 U CN207469425 U CN 207469425U
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- drainpipe
- block
- plugging device
- closure
- water
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Abstract
The utility model provides a kind of underwater plugging device of drainpipe, the cofferdam of water flow and flow velocity during including being blocked for reducing drainpipe, and the trapezoidal block wall of drainpipe is blocked when water flow and flow velocity reduce, along water (flow) direction, the trapezoidal block wall is set on the downstream in the cofferdam, and the trapezoidal block wall is equipped with the deflector hole of drainpipe superfluous water overcurrent.The utility model has many advantages, such as to block efficient, closure high safety and reliability.
Description
Technical field
The utility model is related to drainpipes to block field more particularly to a kind of underwater plugging device of drainpipe.
Background technology
In recent years, one of the problem of the phenomenon that " meeting heavy rain flooded " has been gradually evolved into big and medium-sized cities.Existing city row
Grid design standard is low, urban infrastructure does not catch up with development etc. becomes the principal element for causing urban waterlogging.For the row of raising
The prevention waterlogging standard of grid, existing mode are to be incorporated to run in original drainage pipeline networks using new drainpipe to go into operation, and pipe network is plugged into
After work need to carry out the sewage of original drainpipe water conservancy diversion or shut off,
Position of plugging into is allowed to be in and carry out new and old pipe network in the environment of having no water or little water and plug into construction.But work as and encounter peripheral ring
Border restrict can not water conservancy diversion, flood season and important creek be unable to water conservancy diversion or stop operation when particular surroundings, then can not use existing
Method of plugging into carries out the construction of plugging into of new and old pipe network.Therefore, new old pipeline how to be made to complete to plug into solve draining under water
Pipe network adapt to can not the particular surroundings such as water conservancy diversion, flood season and important creek bottleneck problem.Wherein, drainpipe how is solved to seal under water
The problem of stifled is one of difficult point for plugging under water, existing closure mode can not meet it is underwater block requirement, block efficiency it is low,
Water-stagnating effect is poor, is especially even more the reliability and safety that can not ensure to block in the case where drain pipe diameter is big, The turbulent river crashes its way through
Property is low.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide it is a kind of block it is efficient, envelope
The underwater plugging device of drainpipe of stifled high safety and reliability.
In order to solve the above technical problems, the utility model proposes technical solution be：
A kind of underwater plugging device of drainpipe, the cofferdam of water flow and flow velocity during including being blocked for reducing drainpipe,
And the trapezoidal block wall of drainpipe is blocked when water flow and flow velocity reduce, along water (flow) direction, the trapezoidal block wall is set
In the downstream in the cofferdam, the trapezoidal block wall is equipped with the deflector hole of drainpipe superfluous water overcurrent.
As a further improvement of the above technical scheme：
The trapezoidal block wall includes multiple closure adapter blocks being adapted to draining pipe internal surface and for positioning plugging
The closure locating piece of adapter block position, multiple closure adapter blocks are described to block locating piece layer along the circumferentially disposed of draining inside pipe wall
It is folded to be set between closure adapter block.
Along the vertical direction of drainpipe, it is all provided between the adjacent closure adapter block, between the adjacent closure locating piece
Having prevents the limiting component of the two relative motion.
The limiting component includes the card slot being located therein on a closure adapter block and set on another with closure adapter block
On clamping portion, the clamping portion and card slot are engaged by clamping.
The closure adapter block and closure locating piece are water-proof concrete block.
The trapezoidal block wall bottom and the angle of waist are 50~70 °.
Diversion pipe is equipped in the deflector hole, pressure reducing valve is provided on the diversion pipe.
The deflector hole is set on the top of trapezoidal block wall.
The cofferdam includes multilayer and piles up the closure sand pocket of setting or block air bag.
The cobble of enhancing closure sand pocket water resistant impact capacity is equipped in the closure sand pocket close to outside.
Compared with prior art, the utility model has the advantage of：
The plugging device of the utility model includes cofferdam and trapezoidal block wall, and along water (flow) direction, trapezoidal block wall is set on institute
The downstream in cofferdam is stated, the setting in cofferdam reduces water flow and flow velocity when drainpipe blocks, and trapezoidal block wall is crossing flow
Amount and flow velocity block drainpipe when reducing.The utility model can effectively and rapidly cut drainage pipeline by the way of dual-plugging
Stream effectively shortens blocking time, blocks efficient；Meanwhile ensure that the trapezoidal block wall positioned at cofferdam downstream builds by laying bricks or stones can
It by property and safety, improves and blocks that quality, water-stagnating effect are good, significantly increase drainpipe pipe caliber is big, The turbulent river crashes its way through
In the case of underwater construction of plugging into safety and reliability.Meanwhile block wall is set as trapezium structure by the utility model,
It ensure that the stability of block wall bottom under a large pressure, structural reliability is high, mounting stability is good.It is set on trapezoidal block wall
Have deflector hole so that superfluous water in drainpipe when blocking still can overcurrent, avoid when The turbulent river crashes its way through flow to trapezoidal closure
The impact of wall ensure that the block reliability of plugging device.
Description of the drawings
The utility model will be hereinafter described in more detail based on embodiment and refer to the attached drawing.Wherein：
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of the utility model block wall.
Fig. 3 is the position relationship schematic diagram that the utility model figure blocks adapter block.
Each label represents in figure：
1st, cofferdam；11st, sand pocket is blocked；2nd, trapezoidal block wall；21st, adapter block is blocked；22nd, locating piece is blocked；3rd, deflector hole；
4th, limiting component；41st, card slot；42nd, clamping portion；5th, drainpipe.
Specific embodiment
Under will combine Figure of description and specific embodiment and the utility model will be described in further details, but not therefore
And limit the scope of protection of the utility model.
As shown in Figure 1 to Figure 3, the underwater plugging device of the drainpipe of the present embodiment, including cofferdam 1 and trapezoidal block wall 2.Its
In, along water (flow) direction, trapezoidal block wall 2 is set on the downstream in cofferdam 1, water flow when cofferdam 1 blocks for reducing drainpipe 5
And flow velocity, trapezoidal block wall 2 block drainpipe 5 when water flow and flow velocity reduce.In the present embodiment, on trapezoidal block wall 2
Equipped with deflector hole 3, the extra water of 3 overcurrent drainpipe 5 of deflector hole.
The utility model can effectively and rapidly shut off to drainpipe 5 by the way of dual-plugging, effectively shorten closure
Time blocks efficient；Meanwhile ensure that the reliability and safety that the trapezoidal block wall 2 positioned at 1 downstream of cofferdam is built by laying bricks or stones, it carries
High closure quality, water-stagnating effect are good, significantly increase underwater in the case where caliber is big, The turbulent river crashes its way through of drainpipe 5 and plugging into
The safety of construction and reliability.Meanwhile block wall is set as trapezium structure by the utility model, which ensure that trapezoidal block wall
The stability of 2 bottoms under a large pressure, structural reliability is high, mounting stability is good.Trapezoidal block wall 2 is equipped with deflector hole 3,
So that drainpipe 5 in superfluous water block when still can overcurrent, avoid flow rushing to trapezoidal block wall 2 when The turbulent river crashes its way through
It hits, ensure that the block reliability of plugging device.
As shown in Fig. 2, in the present embodiment, trapezoidal block wall 2 includes multiple closure adapter blocks 21 and multiple closure locating pieces
22.Wherein, multiple closure adapter blocks 21 are adapted to along the circumferentially disposed of 5 inner wall of drainpipe, and with 5 inner surface of drainpipe, to reach
With the sealing blocking effect of drainpipe 5.It blocks locating piece 22 to be stacked between adapter block 21 is blocked, be fitted for positioning plugging
Position with block 21, while block drainpipe 5.Different plugging blocks is set to improve the effect for blocking underwater operation respectively by function
Rate reduces closure workload, meanwhile, plugging effect is good, easy to operate.In the present embodiment, block adapter block 21 and block
Locating piece 22 is water-proof concrete block.
As shown in figure 3, in the present embodiment, along the vertical direction of drainpipe 5, limiting is equipped between adjacent closure adapter block 21
Component 4, limiting component 4 prevent the relative motion between adjacent closure adapter block 21, ensure that plugging effect, meanwhile, grafting
Mode so that plugging operations are convenient and efficient.In the present embodiment, limiting component 4 includes card slot 41 and clamping portion 42, and card slot 41 is set on
Wherein one blocks on adapter block 21, and set on another with blocking on adapter block 21, clamping portion 42 is matched with the clamping of card slot 41 for clamping portion 42
It closes, it is easy to operate, it is simple in structure.It is same between adjacent closure locating piece 22 along the vertical direction of drainpipe 5 in the present embodiment
Sample is provided with limiting component 4, to limit the relative motion between adjacent closure locating piece 22.
In the present embodiment, the trapezoidal bottom of block wall 2 and the angle of waist are 60 °.Which ensure that block wall bottom is in big pressure
Under stability, structural reliability is high, mounting stability is good.In other embodiments, the trapezoidal bottom of block wall 2 and the folder of waist
As long as angle can ensure trapezoidal 2 good stressed effect of block wall and security and stability, such as trapezoidal block wall 2 bottom and waist
Angle value between 50~70 °.
In the present embodiment, diversion pipe is equipped in deflector hole 3, pressure reducing valve is provided on diversion pipe.The setting of pressure reducing valve can have
Effect control water flow and pressure avoid the problem that water flow pressure is excessive and plugging device are damaged.In the present embodiment, deflector hole 3
Set on the top of trapezoidal block wall 2.
In the present embodiment, cofferdam 1 includes multilayer and blocks sand pocket 11, and multilayer blocks sand pocket 11 and piles up setting, blocks sand pocket 11
It should be built by laying bricks or stones when building by laying bricks or stones by the principle of " upstream behind first far rear near, first low rear height, elder generation downstream ".In other embodiments, cofferdam 1
Closure air bag can also be used.
It in the present embodiment, blocks in sand pocket 11 and is equipped with cobble close to outside, cobble avoids flowing water from washing away, enhances closure sand
The water resistant impact capacity of bag 11.In the present embodiment, the 70%~85% of the pack capacity of sand pocket 11 is blocked, sand pocket 11 is blocked and uses
Setting position is hung under loop wheel machine.
In the present embodiment, bottom cofferdam 1 is piled up using sand pocket in 5 block-up position of drainpipe, is built by laying bricks or stones in 1 downstream of bottom cofferdam
The trapezoidal block wall 2 of bottom；By bottom cofferdam 1 and the setting steps of the trapezoidal block wall 2 of bottom, repeat alternately multilayer and enclose
Weir 1 and the setting of trapezoidal block wall 2, until completing the closure of drainpipe 5.It can effectively and rapidly shut off to drainpipe 5, effectively
Blocking time is shortened, is blocked efficient；Meanwhile ensure that reliability that the trapezoidal block wall 2 positioned at 1 downstream of cofferdam builds by laying bricks or stones and
Safety, improves that block quality, water-stagnating effect good, significantly increases drainpipe 5 in the case where pipe caliber is big, The turbulent river crashes its way through
Underwater construction of plugging into safety and reliability.
In the present embodiment, when the cofferdam of bottom 1 is piled up to preset height 100mm higher than the trapezoidal block wall 2 of bottom,
The trapezoidal block wall 2 of bottom is built by laying bricks or stones, to avoid direct impact of the flow to trapezoidal block wall 2.In the present embodiment, top layer envelope is built by laying bricks or stones
During wall, deflector hole 3 is reserved in top layer block wall, the aperture of deflector hole 3 is 20c~30cm；After block wall solidification, in deflector hole
Diversion pipe is installed in 3 positions, and pressure reducing valve is installed on diversion pipe.In the present embodiment, in building process, water depth flow speed must be frequently surveyed；
It after the completion of building by laying bricks or stones, should check whether there are leak source, if there is water flow pressure, rapidly solidified material need to be used after wall solidification
Carry out leak stopping.
Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model
In the case of enclosing, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (10)
1. a kind of underwater plugging device of drainpipe, which is characterized in that water flow and stream during including being blocked for reducing drainpipe
The cofferdam of speed and the trapezoidal block wall that drainpipe is blocked when water flow and flow velocity reduce, it is described trapezoidal along water (flow) direction
Block wall is set on the downstream in the cofferdam, and the trapezoidal block wall is equipped with the deflector hole of drainpipe superfluous water overcurrent.
2. the underwater plugging device of drainpipe according to claim 1, which is characterized in that the trapezoidal block wall includes multiple
The closure adapter block and the closure locating piece for positioning plugging adapter block position being adapted to draining pipe internal surface, Duo Gefeng
Stifled adapter block is stacked along the circumferentially disposed of draining inside pipe wall, the closure locating piece between adapter block is blocked.
3. the underwater plugging device of drainpipe according to claim 2, which is characterized in that along the vertical direction of drainpipe, phase
The limiting component for preventing the two relative motion is equipped between the adjacent closure adapter block, between the adjacent closure locating piece.
4. the underwater plugging device of drainpipe according to claim 3, which is characterized in that the limiting component includes being set on it
In one block card slot on adapter block and set on another with the clamping portion blocked on adapter block, the clamping portion and card slot card
Connect cooperation.
5. the underwater plugging device of drainpipe according to claim 2 to 4 any one, which is characterized in that described block is fitted
With block and locating piece is blocked as water-proof concrete block.
6. the underwater plugging device of drainpipe according to any one of claims 1 to 4, which is characterized in that the trapezoidal envelope
It is 50~70 ° that wall, which is gone to the bottom with the angle of waist,.
7. the underwater plugging device of drainpipe according to any one of claims 1 to 4, which is characterized in that the deflector hole
It is interior to be equipped with diversion pipe, it is provided with pressure reducing valve on the diversion pipe.
8. the underwater plugging device of drainpipe according to claim 7, which is characterized in that the deflector hole is set on trapezoidal closure
The top of wall.
9. the underwater plugging device of drainpipe according to any one of claims 1 to 4, which is characterized in that the cofferdam packet
Multilayer is included to pile up the closure sand pocket of setting or block air bag.
10. the underwater plugging device of drainpipe according to claim 9, which is characterized in that close to outer in the closure sand pocket
Side is equipped with the cobble that enhancing blocks sand pocket water resistant impact capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550701.8U CN207469425U (en) | 2017-11-17 | 2017-11-17 | A kind of underwater plugging device of drainpipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550701.8U CN207469425U (en) | 2017-11-17 | 2017-11-17 | A kind of underwater plugging device of drainpipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207469425U true CN207469425U (en) | 2018-06-08 |
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ID=62261578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721550701.8U Active CN207469425U (en) | 2017-11-17 | 2017-11-17 | A kind of underwater plugging device of drainpipe |
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| Country | Link |
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| CN (1) | CN207469425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258766A (en) * | 2019-05-13 | 2019-09-20 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of safe plugging structure and its installation and method for dismounting |
| CN111809711A (en) * | 2020-06-11 | 2020-10-23 | 上海市政工程设计研究总院（集团）有限公司 | Drainage box culvert maintenance well and method for maintaining drainage box culvert |
-
2017
- 2017-11-17 CN CN201721550701.8U patent/CN207469425U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258766A (en) * | 2019-05-13 | 2019-09-20 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of safe plugging structure and its installation and method for dismounting |
| CN111809711A (en) * | 2020-06-11 | 2020-10-23 | 上海市政工程设计研究总院（集团）有限公司 | Drainage box culvert maintenance well and method for maintaining drainage box culvert |
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