CN209144845U - A kind of monoblock type cofferdam can be quickly in place and removed - Google Patents
A kind of monoblock type cofferdam can be quickly in place and removed Download PDFInfo
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- CN209144845U CN209144845U CN201821736470.4U CN201821736470U CN209144845U CN 209144845 U CN209144845 U CN 209144845U CN 201821736470 U CN201821736470 U CN 201821736470U CN 209144845 U CN209144845 U CN 209144845U
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Abstract
The utility model discloses a kind of monoblock type cofferdam can be quickly in place and removed.The utility model monoblock type cofferdam includes enclosing structure, water sealing structure, buoyancy adjustment structure；The enclosing structure includes the enclosing panel of semi-closed structure；The water sealing structure includes card slot, bag, flexible water stop and pressure pump, the card slot is the bottom for being set to enclosing panel and downwardly open groove body, the bag is the tubulose bag that one end is equipped with the sealing of valve one end, it is along the elongated inner cavity top for being arranged in card slot of card slot, the flexible water stop is along the elongated inner cavity lower part for being arranged in card slot of card slot, and the pressure pump is for being filled with gas or liquid into bag；Buoyancy adjustment structure includes the one group of floating drum that can be fixedly connected with enclosing panel and the water filling and draining device for filling/draining for the floating drum.The utility model can implement fast enclosure to channel (river) slope surface, provide dry working space.
Description
Technical field
The utility model relates to a kind of monoblock type cofferdam can be quickly in place and removed, and can implement quickly to enclose to slope surface
Gear, to provide dry working space for channel (river) side slope lining cutting panel.
Background technique
The large water transportations water delivery engineering route such as South-to-North Water Diversion Middle Route Project is long, along the line complex geologic conditions, environment item
Part changes greatly, and the defects of lining cutting panel crack, surface layer freeze-thaw damage, remove, collapse, swelling easily occurs in channel during operation.Mesh
Before, domestic and international channel defect processing is typically implemented when cutting off the water, however intake area along large water transportation water delivery engineering
There is very high dependency degree to institute's water transfer source, does not have drop low water level operation or maintenance condition of cutting off the water generally, below water surface curve
Canal lining panel collapses, swell and water surface curve up and down freeze-thaw damage the defects of can only be using interim measures such as ballasts, without effectively
Permanent processing method brings security risk for engineering.Current existing cofferdam facility or the generally existing underwater construction difficulty of technology
Greatly, the problems such as waterstop sealing effect is poor.Therefore, under the conditions of large water transportation water delivery engineering normal water supply, developing one kind can be
The water blocking equipment of operating condition is very important defect processing with providing Local Dry under water surface curve.
Utility model content
The technical problem to be solved by the utility model is to overcome the shortage of prior art, provide one kind can it is quickly in place and
The monoblock type cofferdam of removal can implement fast enclosure to channel (river) slope surface, provide dry working space.
The utility model specifically uses following technical scheme to solve above-mentioned technical problem:
A kind of monoblock type cofferdam can be quickly in place and removed, including enclosing structure, water sealing structure, buoyancy adjustment structure；
The enclosing structure includes the enclosing panel of semi-closed structure；The water sealing structure includes card slot, bag, flexible water stop and pressure
Power pump, the card slot are the bottom for being set to enclosing panel and downwardly open groove body, and the bag is that one end is equipped with valve one
The tubulose bag of sealing is held, along the elongated inner cavity top for being arranged in card slot of card slot, the flexible water stop is along the elongated cloth of card slot
It is placed in the inner cavity lower part of card slot, the pressure pump is for being filled with gas or liquid into bag；Buoyancy adjustment structure includes can be with
One group of floating drum that enclosing panel is fixedly connected and the water filling and draining device for filling/draining for the floating drum.
Preferably, the floor projection of the enclosing panel is " u "-shaped or half elliptic, or semicircle.
Further, support reinforcing structure is additionally provided on the enclosing panel.
It is further preferred that the support reinforcing structure is at least one cross bar being horizontally set at the top of enclosing panel.
Further, one group is respectively arranged on the inside and outside wall surface of the enclosing panel for being fixedly connected with the floating drum
Buckle.
Preferably, the section of the flexible water stop is rectangle, or is wide at the top and narrow at the bottom trapezoidal.
Preferably, the material of the enclosing panel is steel or high strength composite.
Preferably, the gas is air, and the liquid is water.
The construction method in monoblock type cofferdam described in any technical solution as above, comprising:
Floating drum is fixed on enclosing panel by step 1, and is carried out between pressure pump and bag and water filling and draining device and floating
Piping connection between cylinder；
The monoblock type cofferdam is transported to construction location by step 2, into the water；
Water on the inside of enclosing structure is discharged step 3 outward, while being made by water filling and draining device to water-filling in floating drum
Monoblock type cofferdam gradually sinks, and falls within slope surface；
Step 4 is pressed into gas or liquid into bag by pressure pump, makes its volume expansion, squeezes out flexible water stop, make
Flexible water stop is adjacent to slope surface；
Step 5 repeats step 3, step 4, until cofferdam good seal, without obvious percolating water；
Step 6 continues for the water on the inside of enclosing structure to be discharged outward, until cofferdam enclosing region internal water accumulation pump drainage is dry
Only.
Further, the method also includes:
After the completion of step 7, operation, the pressure release of bag valve is opened, is bounced back after releasing gas or liquid in bag, channel
Interior water leaks on the inside of enclosing structure；
Water in floating drum is discharged and is filled with air by water filling and draining device by step 8, make enclosing structure with floating drum gradually on
It is floating, until emerging；
Monoblock type cofferdam is transported to next construction location by step 9.
Compared with prior art, technical solutions of the utility model have the advantages that
The bottom in the utility model monoblock type cofferdam, which is provided with, to be combined by the bag of inflatable/water with flexible water stop
Water stop mechanism large range of can be deformed to adapt to lining cutting panel irregularity degree, and realization is tight with lining cutting panel attachment, plays
Good sealing effect；The utility model adjusts buoyancy using floating drum filled water amount, and water-filling increases counterweight and realizes under cofferdam when operation
Heavy, bottom compliant Water stop mechanism seals, and dry ground work surface is formed after drawing water, operation, which inflates discharge water body into water tank after completing, to be made
Water tank floats automatically, convenient for tearing fortune open.The utility model overcomes previous cofferdam sealing and forms equipment anti-floating etc. after dry ground operation
Technical problem has very strong operability and applicability, while can shorten in place, the disassembly and assembly time in cofferdam, simplifies operation step
Suddenly, the operating time has been saved, has been shortened the construction period, all transfer efficients of device are improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one preferred embodiment in the utility model monoblock type cofferdam；
Fig. 2 is the structural schematic diagram of water sealing structure.
The meaning of each appended drawing reference is specific as follows in figure:
1, enclosing structure, 2, water sealing structure, 3, buoyancy adjustment structure, 11, enclosing panel, 12, support reinforcing bar, 13, card
Button, 21, card slot, 22, bag, 23, flexible water stop, 24, pressure pump, 31, floating drum, 32, main sewer road, 33, water inlet/draining
Pipeline, 34, air inlet pipeline, 35, water pump, 36, air pump.
Specific embodiment
It is big for underwater construction difficulty of the existing technology, waterstop sealing effect is poor, it is difficult to meet similar water channel, dykes and dams
There is the problem of construction of hydro project demand of lining cutting slope surface in this way, the utility model provides a kind of monoblock type cofferdam, bottom
Portion is provided with the Water stop mechanism combined by the bag of inflatable/water with flexible water stop, large range of can deform with suitable
Lining cutting panel irregularity degree is answered, realization is tight with lining cutting panel attachment, plays good sealing effect；And utilize floating drum filled water amount
Buoyancy is adjusted, water-filling increases counterweight and realizes sinking of cofferdam, the sealing of bottom compliant Water stop mechanism when operation, is formed after drawing water and is made dryly
Industry face, operation, which inflates discharge water body into water tank after completing, floats water tank automatically, convenient for tearing fortune open.
Specifically, the monoblock type cofferdam of the utility model, including enclosing structure, water sealing structure, buoyancy adjustment structure；Institute
State the enclosing panel that enclosing structure includes semi-closed structure；The water sealing structure includes card slot, bag, flexible water stop and pressure
Pump, the card slot are the bottom for being set to enclosing panel and downwardly open groove body, and the bag is that one end is equipped with valve one end
The tubulose bag of sealing, along the elongated inner cavity top for being arranged in card slot of card slot, the flexible water stop is along the elongated arrangement of card slot
In the inner cavity lower part of card slot, the pressure pump is for being filled with gas or liquid into bag；Buoyancy adjustment structure include can with enclose
One group of floating drum that block pannel is fixedly connected and the water filling and draining device for filling/draining for the floating drum.
The enclosing panel can be examined using semicircle, the shapes such as rectangle of semiellipse, openings at one side from the angle of mechanics
Consider, the floor projection of the enclosing panel is preferably " u "-shaped or half elliptic, or semicircle.The material of enclosing panel can be used
Steel or high strength composite.In order to further increase the structural strength of enclosing panel, it can also be arranged on enclosing panel and add
The support reinforcings structure such as strengthening tendons, support rod.Consider from multipurpose angle, the support reinforcing structure, which is preferably horizontally set at, encloses
At least one cross bar at the top of block pannel, can be used to structural strengthening, also can be used for hanging for enclosing panel in work progress simultaneously
Dress.
It, can be in the enclosing panel for the ease of the installation and removal between floating drum in work progress and enclosing panel
One group is respectively set on inside and outside wall surface for being fixedly connected with the buckle of the floating drum.
Currently used rubber or plastics waterstop can be used in flexible water stop, and cross sectional shape is preferably rectangle or upper width
Under it is narrow trapezoidal.
The liquid such as water or oil can be filled in the bag of water sealing structure, can also fill the gases such as air, nitrogen, from obtaining
Convenience and cost angle consider, preferably air or water.It tests and finds through numerous studies, using water as filled media
Waterstop sealing effect is better than using air as filled media.
The construction method in the utility model monoblock type cofferdam, including installation steps below:
Floating drum is fixed on enclosing panel by step 1, and is carried out between pressure pump and bag and water filling and draining device and floating
Piping connection between cylinder；
The monoblock type cofferdam is transported to construction location by step 2, into the water；
Water on the inside of enclosing structure is discharged step 3 outward, while being made by water filling and draining device to water-filling in floating drum
Monoblock type cofferdam gradually sinks, and falls within slope surface；
Step 4 is pressed into gas or liquid into bag by pressure pump, makes its volume expansion, squeezes out flexible water stop, make
Flexible water stop is adjacent to slope surface；
Step 5 repeats step 3, step 4, until cofferdam good seal, without obvious percolating water；
Step 6 continues for the water on the inside of enclosing structure to be discharged outward, until cofferdam enclosing region internal water accumulation pump drainage is dry
Only.
Further, the method also includes removal steps below:
After the completion of step 7, operation, the pressure release of bag valve is opened, is bounced back after releasing gas or liquid in bag, channel
Interior water leaks on the inside of enclosing structure；
Water in floating drum is discharged and is filled with air by water filling and draining device by step 8, make enclosing structure with floating drum gradually on
It is floating, until emerging；
Monoblock type cofferdam is transported to next construction location by step 9.
For the ease of public understanding, with a specific embodiment and carry out the technical side to the utility model in conjunction with attached drawing below
Case is further elaborated:
As shown in Figure 1, the monoblock type cofferdam in the present embodiment is by enclosing structure 1, water sealing structure 2 and buoyancy adjustment structure 3
Composition.
Enclosing structure 1 in the present embodiment includes the enclosing panel 11 of half-oval shaped, be single layer thin walled steel structure (
Multi-layer compound structure can be used)；The arcuate surface of enclosing panel 11 is upstream face, and support reinforcing bar 12 is arranged at the top of concave surface, together
When can be used as lift support rod；One group is respectively set on the inside and outside wall surface of enclosing panel 11 for being fixedly connected with the card of floating drum
Button 13.
Water sealing structure 2 in the present embodiment is made of card slot 21, bag 22, flexible water stop 23 and pressure pump 24；Such as Fig. 2
Shown, card slot 21 is the bottom for being set to enclosing panel 11 and downwardly open groove body, its cross sectional shape is square in the present embodiment
Shape；Bag 22 is the tubulose that one end is equipped with the sealing of valve one end, along the elongated inner cavity top for being arranged in card slot 21 of card slot 21；It is soft
Property waterstop 23 along the elongated inner cavity lower part for being arranged in card slot 21 of card slot 21, the present embodiment its cross sectional shape be it is up-narrow and down-wide
Inverted trapezoidal；Pressure pump 24 is for being filled with gas or liquid into bag 22.
By one group of floating drum 31(, it is closed tubular or box-like structure to buoyancy adjustment structure 3 in the present embodiment) and row
Supply mains road 32, water inlet/discharge pipe line 33, air inlet pipeline 34, water pump 35 and air pump 36 form.Floating drum 31 can be fast by buckle 13
Fast ground is fixedly connected with enclosing panel 11；In order to enable buoyancy is balanced, the floating drum 31 on the concave surface and upstream face of enclosing panel 11
Preferably it is symmetrical arranged.When in use, 32 one end of main sewer road is connect with water pump 35, and one end is free；Water inlet/discharge pipe line 33 1
End is connect with floating drum 31, is connected in the middle part of one end and main sewer road 32；34 one end of air inlet pipeline is connect with air pump 36, one end and floating
Cylinder 31 connects.
When needing to carry out cofferdam construction operation, the installation in above-mentioned monoblock type cofferdam can be followed the steps below:
Step 1: floating drum 31 is fixed on enclosing panel 11, and the valve end of bag 22 and the sealing of pressure pump 24 are connected
It connects, floating drum 31, main sewer road 32, water inlet/discharge pipe line 33, air inlet pipeline 34, water pump 35 and air pump 36 are tightly connected, emptying
Bag 22 and floating drum 31.
Step 2: monoblock type cofferdam is carried near construction point using loop wheel machine or ship, into the water, cable is then used
It is artificial further to draw to exact position.
Step 3: water pump 35 is placed on the inside of the concave surface of enclosing structure 1, start water pump 35, it is past by main sewer road 32
The outside of enclosing structure 1 drains, while so that cofferdam is gradually sunk to 31 water-filling of floating drum by water inlet/discharge pipe line 33, falling within slope
Face.
Step 4: being pressed into air or water to bag 22 by pressure pump 24, make its volume expansion, squeezes out flexible water stop
23, it is adjacent to flexible water stop 23 with slope surface.
Step 5: step 3 and step 4 are repeated, until cofferdam good seal, without obvious percolating water.
Step 6 continues to use water pump 35 and is drained by main sewer road 32 toward the outside of enclosing structure 1, until cofferdam is enclosed
It is clean to keep off region internal water accumulation pump drainage.
After completing the construction operation in cofferdam enclosing region, cofferdam can be removed according to the following steps:
Step 7: opening the valve pressure release of bag 22 in card slot 21 after the completion of operation, bag 22 is made to let out water/gas retraction, canal
Water in road leaks in enclosing structure 1.
Step 8: be pressed into air into floating drum 31 using air pump 36, make water in floating drum 31 by water inlet/discharge pipe line 33 by
It is gradually discharged, cofferdam is gradually floated with floating drum 31, until emerging.
Step 9: removing cofferdam, carrying is left.If nearby there is working face, can virtue of buoyancy manually drag rope will
Monoblock type cofferdam shifts in water；If completed or working face farther out, be hung on automobile using truck-mounted crane, be transported to next working position
It sets.
The monoblock type cofferdam of the utility model overcomes previous cofferdam sealing and forms the skills such as equipment anti-floating after dry ground operation
Art problem has very strong operability and applicability, while can shorten in place, the disassembly and assembly time in cofferdam, simplify operating procedure,
The operating time has been saved, has been shortened the construction period, all transfer efficients of device are improved.The utility model can be widely applied to similar water channel, dike
Dam has the hydraulic engineering of lining cutting slope surface in this way, has a good application prospect.
Claims (8)
1. one kind can be quickly in place and the monoblock type cofferdam that removes, which is characterized in that including enclosing structure, water sealing structure, buoyancy
Adjustment structure；The enclosing structure includes the enclosing panel of semi-closed structure；The water sealing structure includes card slot, bag, flexibility
Waterstop and pressure pump, the card slot are the bottom for being set to enclosing panel and downwardly open groove body, and the bag is one end
Tubulose bag equipped with the sealing of valve one end, along the elongated inner cavity top for being arranged in card slot of card slot, the flexible water stop edge
The elongated inner cavity lower part for being arranged in card slot of card slot, the pressure pump is for being filled with gas or liquid into bag；Buoyancy adjustment knot
Structure includes the one group of floating drum that can be fixedly connected with enclosing panel and the water filling and draining device for filling/draining for the floating drum.
2. monoblock type cofferdam as described in claim 1, which is characterized in that the floor projection of the enclosing panel is " u "-shaped, or partly
Ellipse, or it is semicircle.
3. monoblock type cofferdam as described in claim 1, which is characterized in that be additionally provided with support reinforcing knot on the enclosing panel
Structure.
4. monoblock type cofferdam as claimed in claim 3, which is characterized in that the support reinforcing structure is to be horizontally set at enclosing face
At least one cross bar at the top of plate.
5. monoblock type cofferdam as described in claim 1, which is characterized in that be respectively arranged on the inside and outside wall surface of the enclosing panel
One group for being fixedly connected with the buckle of the floating drum.
6. monoblock type cofferdam as described in claim 1, which is characterized in that the section of the flexible water stop is rectangle, or is upper
It is narrow trapezoidal under width.
7. monoblock type cofferdam as described in claim 1, which is characterized in that the material of the enclosing panel is steel or high-strength composite
Material.
8. monoblock type cofferdam as described in claim 1, which is characterized in that the gas is air, and the liquid is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736470.4U CN209144845U (en) | 2018-10-25 | 2018-10-25 | A kind of monoblock type cofferdam can be quickly in place and removed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736470.4U CN209144845U (en) | 2018-10-25 | 2018-10-25 | A kind of monoblock type cofferdam can be quickly in place and removed |
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|---|---|
| CN209144845U true CN209144845U (en) | 2019-07-23 |
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|---|---|---|---|
| CN201821736470.4U Active CN209144845U (en) | 2018-10-25 | 2018-10-25 | A kind of monoblock type cofferdam can be quickly in place and removed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083174A (en) * | 2018-10-25 | 2018-12-25 | 南水北调中线干线工程建设管理局 | It is a kind of can the quickly in place and monoblock type cofferdam removed and its construction method |
| CN113622440A (en) * | 2021-08-09 | 2021-11-09 | 北京市政建设集团有限责任公司 | Steel buoy for construction of deep-water single-wall steel cofferdam |
-
2018
- 2018-10-25 CN CN201821736470.4U patent/CN209144845U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083174A (en) * | 2018-10-25 | 2018-12-25 | 南水北调中线干线工程建设管理局 | It is a kind of can the quickly in place and monoblock type cofferdam removed and its construction method |
| CN113622440A (en) * | 2021-08-09 | 2021-11-09 | 北京市政建设集团有限责任公司 | Steel buoy for construction of deep-water single-wall steel cofferdam |
| CN113622440B (en) * | 2021-08-09 | 2022-08-30 | 北京市政建设集团有限责任公司 | Steel float for construction of deep-water single-wall steel cofferdam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100000 No. 58, nanxiange street, Xicheng District, Beijing Patentee after: China South to North Water Diversion group middle line Co.,Ltd. Address before: Block A, No.1 A, Yuyuantan South Road, Haidian District, Beijing 100038 Patentee before: CONSTRUCTION AND ADMINISTRATION BUREAU OF SOUTH-TO-NORTH WATER DIVERSION MIDDLE ROUTE PROJECT |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220817 Address after: 100000 No. 58, nanxiange street, Xicheng District, Beijing Patentee after: China South to North Water Diversion group middle line Co.,Ltd. Patentee after: South to North Water Transfer Middle Route Industrial Development Co.,Ltd. Address before: 100000 No. 58, nanxiange street, Xicheng District, Beijing Patentee before: China South to North Water Diversion group middle line Co.,Ltd. |