CN218437136U - Limiting device for lowering double-wall steel cofferdam - Google Patents
Limiting device for lowering double-wall steel cofferdam Download PDFInfo
- Publication number
- CN218437136U CN218437136U CN202221878159.XU CN202221878159U CN218437136U CN 218437136 U CN218437136 U CN 218437136U CN 202221878159 U CN202221878159 U CN 202221878159U CN 218437136 U CN218437136 U CN 218437136U
- Authority
- CN
- China
- Prior art keywords
- double
- wall
- steel cofferdam
- stiffening
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses a stop device for double-walled steel cofferdam is transferred, including a plurality of stoppers, the stopper includes exterior wall board, interior wallboard and the subassembly of putting more energy into, the stopper is the interval respectively adorned admittedly in bottommost double-walled steel cofferdam inside wall circumference direction, be close to the row of double-walled steel cofferdam inside wall and erector pile foundation steel protects a top portion. This a stop device for double-walled steel cofferdam is transferred has simple structure, simple to operate to can guarantee the vertical accuracy that double-walled steel cofferdam transferred and reduce the advantage of resistance that sinks.
Description
Technical Field
The utility model relates to a spacing technical field in double-walled steel cofferdam especially relates to a stop device that is used for double-walled steel cofferdam to transfer.
Background
In recent years, with the rapid development of economy in China, the construction of bridge engineering is rapidly developed. The bottomless double-wall steel cofferdam is used as a temporary underwater foundation, is small in steel consumption, convenient to assemble, high in rigidity and good in stability, and is widely applied at the present stage. However, the steel cofferdam has the advantages of large structural weight and size, long operation time, complex working procedures, and the like, and needs to resist various external acting forces such as wind resistance, water pressure and the like during the lowering process, and when the steel cofferdam meets complex geological conditions, the current commonly used limiting device usually causes the accumulation of sludge below the limiter to block the smooth sinking of the steel cofferdam. The key point of construction is how to realize the accurate control of the verticality in the process of lowering the double-wall steel cofferdam in deep water at a high flow speed.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a stop device that is used for double-walled steel cofferdam to this ensures the vertical accuracy that double-walled steel cofferdam transferred and reduces the resistance of sinking of double-walled steel cofferdam.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a stop device for double-walled steel cofferdam is transferred, includes a plurality of stoppers, the stopper includes outer wall board, interior wallboard and the subassembly of putting more energy into, the stopper is adorned admittedly respectively at the interval on the two-walled steel cofferdam inside wall circumference direction of bottommost layer, be close to the row of two-walled steel cofferdam inside wall and the vertical pile foundation steel protects a section of thick bamboo top portion.
As a further improvement of the above technical solution:
the outer wall plate is fixedly connected with the inner wall plate through a stiffening assembly.
The inner wall plate comprises two arc-shaped steel plates matched with the pile foundation steel casing.
The stiffening assembly comprises a middle stiffening plate, a plurality of groups of vertical stiffening plates are arranged on two sides of the middle stiffening plate, and the vertical stiffening plates are fixedly connected with the outer wall plate and the inner wall plate respectively.
And a plurality of groups of transverse stiffening plates are arranged on two sides of the middle stiffening plate, are fixedly connected with the vertical stiffening plates and are also fixedly connected with the outer wall plate and the inner wall plate respectively.
And the diagonal angles of the closed cavity formed by fixedly connecting the middle stiffening plate with the outer wall plate, the inner wall plate and the vertical stiffening plate are also provided with oblique stiffening plates.
Compared with the prior art, the utility model has the advantages that:
the utility model provides a stop device for double-walled steel cofferdam is transferred, includes a plurality of stoppers, and the stopper includes outer wall board, interior wallboard and the subassembly of putting more energy into, and the stopper is adorned admittedly at interval respectively on the two-walled steel cofferdam inside wall circumference direction of bottommost layer, be close to the row of two-walled steel cofferdam inside wall and riser pile foundation steel protects a section of thick bamboo top portion. When carrying out double-walled steel cofferdam construction, will be according to the prefabricated stopper of specification and dimension of double-walled steel cofferdam and pile foundation steel casing, during the construction, the stopper is laid in two-layer interval, the first layer is arranged in double-walled steel cofferdam inside wall bottom, the second floor is arranged at the pile foundation steel casing top that is close to the double-walled steel cofferdam inside wall, at first set up double-walled steel cofferdam and assemble transfer the platform, assemble first section double-walled steel cofferdam, the inside wall welding that hugs closely this double-walled steel cofferdam with the outer wallboard of first layer stopper on the double-walled steel cofferdam inside wall, the horizontal distance between inner wallboard and the pile foundation steel casing reserves 50mm, then with the inner wallboard welding of second layer stopper at the pile foundation steel casing top that is close to the double-walled steel cofferdam inside wall, the outer wallboard reserves 50mm with double-walled steel cofferdam horizontal distance, at last section-by-section double-walled steel cofferdam, this stop device simple to operate, low cost, through the setting of stopper, make double-walled steel cofferdam in-process horizontal displacement not more than 50mm, thereby guaranteed the vertical precision of double-walled steel cofferdam inside wall steel cofferdam, and transfer the hollow out the hollow structure, can play the cutting silt that can avoid the cutting to bring about, the limit device.
Drawings
FIG. 1 is the whole structure diagram of the middle limiting block of the present invention;
FIG. 2 is a top plan view of the spacing device of the present invention;
FIG. 3 is a bottom plan view of the spacing device of the present invention;
fig. 4 is a partial elevation view of the limiting device of the present invention.
The reference numerals in the figures denote:
1. a limiting block; 11. an outer wall panel; 12. an inner wall panel; 13. a stiffening assembly; 131. a middle stiffening plate; 132. a vertical stiffening plate; 133. a transverse stiffener; 134. an oblique stiffening plate; 2. the inner side wall of the double-wall steel cofferdam; 3. pile foundation steel casing.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the accompanying drawings.
Fig. 1 to fig. 4 show an embodiment of the utility model, a stop device for double-walled steel cofferdam is transferred, including a plurality of stoppers 1, stopper 1 includes exterior wall board 11, interior wallboard 12 and stiffening subassembly 13, stopper 1 is the interval respectively adorned admittedly at 2 circumferential directions of bottom double-walled steel cofferdam inside wall, be close to the row and the 3 tops of erector pile base steel casing of double-walled steel cofferdam inside wall 2. When carrying out double-walled steel cofferdam construction, will be according to prefabricated stopper 1 of specification and dimension of double-walled steel cofferdam and pile foundation steel casing 3, during the construction, stopper 1 divides two-layer interval to lay, the first layer is arranged in 2 bottoms of double-walled steel cofferdam inside wall, the second floor is arranged at 3 tops of pile foundation steel casing near double-walled steel cofferdam inside wall 2, at first set up double-walled steel cofferdam and assemble platform down, assemble first section double-walled steel cofferdam, hug closely this double-walled steel cofferdam inside wall 2 welding on double-walled steel cofferdam inside wall 2 with the out-wall board 11 of first layer stopper 1, the horizontal distance between inner wall board 12 and pile foundation steel casing 3 reserves 50mm, then weld the inner wall board 12 of second floor stopper 1 at the pile foundation steel casing 3 top near double-walled steel cofferdam inside wall 2, the out-wall board 11 reserves 50mm with double-walled steel cofferdam inside wall 2 horizontal distance, at last section-by-section layering concatenation double-walled steel cofferdam, this stop device simple to operate, therefore, the cost is low in cost, through the setting of stopper 1, make the double-wall steel cofferdam in-process horizontal displacement not more than 50mm, thereby guaranteed the perpendicular to play the cutting precision of the limit device, and the silt that the limit can avoid piling up the limit of silt to bring.
In this embodiment, the outer wall plate 11 and the inner wall plate 12 are fixedly connected by a stiffening assembly 13. The structure is compact and stable.
In this embodiment, the inner wall plate 12 includes two arc-shaped steel plates matching with the pile foundation steel casing 3. In this structure, the shape and size of interior wall panel 12 and pile foundation steel protect a section of thick bamboo 3 phase-match, be convenient for weld interior wall panel 12 at pile foundation steel protect a section of thick bamboo 3 surface.
In this embodiment, the stiffening assembly 13 includes a middle stiffening plate 131, two sides of the middle stiffening plate 131 are provided with a plurality of groups of vertical stiffening plates 132, and the vertical stiffening plates 132 are respectively fixedly connected with the outer wall plate 11 and the inner wall plate 12. In this embodiment, the vertical stiffening plates 132 are 8 rectangular steel plates with a thickness of 10mm, and the arrangement of the vertical stiffening plates 132 in the structure enhances the rigidity of the structure. The stability is enhanced.
In this embodiment, a plurality of sets of transverse stiffening plates 133 are further disposed on two sides of the middle stiffening plate 131, and the transverse stiffening plates 133 are fixedly connected to the vertical stiffening plates 132 and are also fixedly connected to the outer wall plate 11 and the inner wall plate 12, respectively. In this embodiment, the transverse stiffening plates 133 are 12 rectangular steel plates with a thickness of 10mm, and the arrangement of the transverse stiffening plates 133 in the structure enhances the rigidity and stability of the structure.
In this embodiment, the diagonal corners of the closed cavity formed by fixedly connecting the middle stiffening plate 131, the outer wall plate 11, the inner wall plate 12 and the vertical stiffening plate 132 are further provided with oblique stiffening plates 134. In this embodiment, the oblique stiffening plates 134 are 5 rectangular steel plates with a thickness of 10mm, and the arrangement of the oblique stiffening plates 134 in the structure enhances the rigidity of the structure and enhances the stability.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a stop device that is used for double-walled steel cofferdam to transfer which characterized in that: the steel pile foundation pile casing structure is characterized by comprising a plurality of limiting blocks (1), wherein each limiting block (1) comprises an outer wall plate (11), an inner wall plate (12) and a stiffening assembly (13), and the limiting blocks (1) are fixedly arranged on the circumferential direction of the inner side wall (2) of the bottommost double-wall steel cofferdam at intervals and close to the tops of the horizontal row and vertical row pile foundation steel casings (3) of the inner side wall (2) of the double-wall steel cofferdam.
2. The limiting device for lowering the double-wall steel cofferdam of claim 1, wherein: the outer wall plate (11) is fixedly connected with the inner wall plate (12) through a stiffening component (13).
3. The limiting device for lowering the double-wall steel cofferdam of claim 1, wherein: the inner wall plate (12) comprises two arc-shaped steel plates matched with the pile foundation steel casing (3).
4. The limiting device for lowering the double-wall steel cofferdam of claim 1, wherein: the stiffening assembly (13) comprises a middle stiffening plate (131), a plurality of groups of vertical stiffening plates (132) are arranged on two sides of the middle stiffening plate (131), and the vertical stiffening plates (132) are fixedly connected with the outer wall plate (11) and the inner wall plate (12) respectively.
5. The limiting device for lowering the double-wall steel cofferdam of claim 4, wherein: and a plurality of groups of transverse stiffening plates (133) are further arranged on two sides of the middle stiffening plate (131), and the transverse stiffening plates (133) are fixedly connected with the vertical stiffening plates (132) and are also fixedly connected with the outer wall plate (11) and the inner wall plate (12) respectively.
6. The limiting device for lowering the double-wall steel cofferdam according to the claim 4, characterized in that: and the diagonal corners of a closed cavity formed by fixedly connecting the middle stiffening plate (131) with the outer wall plate (11), the inner wall plate (12) and the vertical stiffening plate (132) are also provided with oblique stiffening plates (134).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221878159.XU CN218437136U (en) | 2022-07-15 | 2022-07-15 | Limiting device for lowering double-wall steel cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221878159.XU CN218437136U (en) | 2022-07-15 | 2022-07-15 | Limiting device for lowering double-wall steel cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218437136U true CN218437136U (en) | 2023-02-03 |
Family
ID=85090997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221878159.XU Active CN218437136U (en) | 2022-07-15 | 2022-07-15 | Limiting device for lowering double-wall steel cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218437136U (en) |
-
2022
- 2022-07-15 CN CN202221878159.XU patent/CN218437136U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110374131A (en) | A kind of cylinder composite truss formula offshore wind turbine foundation and its construction technology | |
| CN103244134B (en) | Anti-floating ballasting method for shield tunnel under negative earthing condition | |
| CN103015455B (en) | Bridge pile-bucket combined foundation and construction method thereof | |
| CN218437136U (en) | Limiting device for lowering double-wall steel cofferdam | |
| CN203188224U (en) | Geomembrane bag sand blowing cofferdam | |
| CN205116202U (en) | Stake of prestressing force side and integrated stand of steel lattice column | |
| CN114215093B (en) | Construction method of bearing platform foundation | |
| CN110424441A (en) | A kind of thin-walled suitable for rock foundation encloses embedded basis and its construction method entirely | |
| CN214940282U (en) | Hanging box cofferdam structure with back ribs | |
| CN214401845U (en) | Assembled weir suitable for rock-based abrupt slope | |
| CN212375857U (en) | Deepwater pile foundation steel protects a position appearance positioner | |
| CN203334347U (en) | Box culvert type outfall structure | |
| CN113356263A (en) | Jacket-pile grouting connection structure | |
| CN113309059A (en) | Platform for offshore marginal oil field development | |
| CN202148535U (en) | Concrete gravity type foundation suitable for ocean engineering | |
| JPS63181804A (en) | Breakwater and its construction and concrete caisson therefor | |
| CN219260897U (en) | Joint structure for round caisson | |
| CN210066786U (en) | Positive and negative pressure steel sheet pile cofferdam under big tidal range environment | |
| CN217480216U (en) | Integrated cofferdam structure for near-shore side underwater bridge foundation construction | |
| CN218952214U (en) | Steel-concrete combined cofferdam structure | |
| CN113684848B (en) | Construction process of steel cofferdam with deep water steep undulating rock surface | |
| CN215450649U (en) | Modular splicing type modeling device for manufacturing complex terrain | |
| CN215926034U (en) | Variable-depth waterproof grid-shaped diaphragm wall in coastal high-water-level area | |
| CN219973101U (en) | High barricade integrated configuration suitable for mixing dam | |
| CN215671365U (en) | Water-proof structure of pool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |