CN216238599U - Highway bridge construction cofferdam device - Google Patents
Highway bridge construction cofferdam device Download PDFInfo
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- CN216238599U CN216238599U CN202122622664.XU CN202122622664U CN216238599U CN 216238599 U CN216238599 U CN 216238599U CN 202122622664 U CN202122622664 U CN 202122622664U CN 216238599 U CN216238599 U CN 216238599U
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Abstract
The utility model relates to a highway bridge construction cofferdam device, which comprises pile body components and a limiting and fixing component, wherein one end of each pile body component is inserted into a river channel, the two pile body components are in a group and are symmetrically distributed, each group of pile body components sequentially surrounds and is arranged into a rectangular cofferdam along the length direction of the pile body components, and the corners of each group of pile body components are connected and fixed through corner piles; one end of the limiting and fixing component is inserted into the river channel, and the limiting and fixing component is respectively positioned on two sides of the pile body component in the width direction; a hollow-out steel barrel is arranged between the opposite sides of the adjacent pile body assemblies and is inserted into the river channel; the utility model has the beneficial effects that: adopt double pile body subassembly to place the steel drum between double pile body subassembly, divide whole cofferdam stagnant water into three, have convenient construction, the cofferdam intensity is good, the high advantage of cofferdam stability.
Description
Technical Field
The utility model belongs to the technical field of civil engineering, and particularly relates to a highway bridge construction cofferdam device.
Background
The highway bridge construction generally is under construction on the river course, the pier of bridge is in the work progress so, because be under construction on the river course, just so this moment just need be under construction to the pier of bridge through the cofferdam device, the cofferdam is the indispensable one measure of aquatic building construction also, the main technology of cofferdam device at present has earth-rock cofferdam, grass-soil cofferdam, plank pile cofferdam, wooden cage cofferdam, steel sheet pile cofferdam, fore shaft tubular pile cofferdam, steel boxed cofferdam etc. through the structural design of current cofferdam device, it is comparatively inconvenient to have the construction, cofferdam intensity is low, the defect of cofferdam poor stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides the road and bridge construction cofferdam device which is convenient to construct, good in cofferdam strength and high in cofferdam stability.
The utility model aims to solve the technical scheme that the highway bridge construction cofferdam device comprises pile body components and limiting fixing components, wherein one ends of the pile body components are inserted into a river channel, the two pile body components are in a group and are symmetrically distributed, each group of pile body components sequentially surrounds the pile body components along the length direction of the pile body components to form a rectangular cofferdam, and the corners of each group of pile body components are fixedly connected through corner piles; one end of the limiting and fixing component is inserted into the river channel, and the limiting and fixing component is respectively positioned on two sides of the pile body component in the width direction; and hollow steel barrels are arranged between the opposite sides of the adjacent pile body assemblies and are inserted into the river channel.
The utility model has the beneficial effects that: by adopting the technical scheme, the double-row pile body assembly is adopted, the steel barrel is placed between the double-row pile body assembly, the water stop of the whole cofferdam is divided into three ways, and the cofferdam has the advantages of convenience in construction, good strength of the cofferdam and high stability of the cofferdam.
Preferably, the pile body assembly structure further comprises a bearing cover plate, the bearing cover plate covers the end face of the other end of each group of pile body assemblies and the end face of the other end of the limiting and fixing assembly, and the bearing cover plate is provided with a plurality of blocks which are sequentially arranged along the length direction of the pile body assemblies; through adopting above-mentioned technical scheme, can let constructor can be under construction the pier of public road bridge roof beam on the cofferdam, it is more convenient and the efficiency of construction is more high-efficient to construct.
Preferably, the corner piles are arranged between adjacent pile body assemblies, and the upper ends of the corner piles and the pile body assemblies are fixed in a welding mode; therefore, the pile body assemblies between adjacent piles can be effectively connected together, and the stability of the whole cofferdam is further better.
Preferably, the limiting and fixing assembly comprises steel pipes, supporting pieces and I-shaped steel, the supporting pieces are welded and fixed on the side walls of the steel pipes, the I-shaped steel is welded and fixed on two adjacent steel pipes, and one side face of the I-shaped steel is abutted to the side face of the pile body assembly; through adopting above-mentioned technical scheme, can further prevent the slope of pile body subassembly and lead to construction platform's potential safety hazard.
Preferably, the steel pipes are square steel pipes, and the distance a between every two adjacent steel pipes is 3m to 5 m; the square steel pipes are adopted to facilitate welding of the supporting pieces, and the space between the steel pipes is arranged, so that the strength of supporting the I-shaped steel can be met, and the construction efficiency is further improved.
Preferably, the cross section of the steel barrel is a rectangular barrel body, the length of the steel barrel is smaller than the distance between two adjacent steel pipes, and the width of the steel barrel is smaller than the distance between two adjacent pile body assemblies; stability between the pile body subassembly of double-phase offside can further be promoted through setting up the steel drum, makes the stagnant water of whole cofferdam have one more defensive line simultaneously again.
Preferably, the pile body assembly comprises a plurality of Larsen steel sheet piles, and the adjacent Larsen steel sheet piles are fixedly formed in an inserting mode and are sequentially inserted and arranged along the length direction of the pile body assembly; through adopting above-mentioned technical scheme, the quick shaping of the pile body subassembly of not only being convenient for, but also can promote the intensity of pile body subassembly.
Drawings
Fig. 1 is a schematic top view of a cofferdam apparatus of the present invention.
Fig. 2 is a schematic top view of the pile assembly and the spacing and fixing assembly according to the present invention.
Fig. 3 is a front view structural diagram between the pile body assembly and the limiting fixing assembly of the utility model.
The reference numbers in the drawings are respectively: 1. a pile body assembly; 2. a limiting and fixing component; 3. a load-bearing cover plate; 4. a steel drum; 5. cofferdam; 6. corner piles; 11. larsen steel sheet piles; 21. a steel pipe; 22. a support member; 23. and (4) H-shaped steel.
Detailed Description
The utility model will be described in detail below with reference to the following drawings: as shown in the attached drawing 1, the utility model comprises pile body components 1 and limiting fixing components 2, wherein the lower ends of the pile body components 1 are inserted into a river channel, the two pile body components 1 are in a group and are symmetrically distributed to form double-row pile body components, each group of pile body components 1 sequentially surround a rectangular cofferdam 5 along the length direction of the pile body components 1, and the corners of each group of pile body components 1 are connected and fixed through corner piles 6; the lower end of the limiting and fixing component 2 is inserted into the river channel, and the limiting and fixing component 2 is respectively positioned on two sides of the pile body component 1 in the width direction; a hollow-out steel barrel 4 is arranged between the opposite sides of the adjacent pile body assemblies 1, and the steel barrel 4 is inserted into a river channel; adopt double pile body subassembly to place the steel drum between double pile body subassembly, divide into three with whole cofferdam stagnant water, promptly upstream face Larsen steel sheet pile 11, steel drum 4, inboard Larsen steel sheet pile 11, the corner is equipped with twice, promptly inside and outside corner pile, has convenient construction, the good, high advantage of cofferdam stability of cofferdam intensity of cofferdam. The pile body assembly structure comprises pile body assemblies 1, limiting fixing assemblies 2 and bearing cover plates 3, wherein the pile body assemblies 1 are arranged on the upper end faces of the pile body assemblies 1; can let constructor can be under construction the pier of public road bridge roof beam on the cofferdam, it is more convenient and the efficiency of construction is more high-efficient to construct.
The corner piles 6 are arranged between the adjacent pile body assemblies 1, and the upper ends of the corner piles 6 are fixed with the pile body assemblies 1 in a welding mode; firstly, inserting a corner pile 6 into a river channel, welding and fixing the corner pile 6 exposed out of the river surface and a Larsen steel plate pile 11 exposed out of the river surface, and if the welding point separation between the corner pile 6 and the Larsen steel plate pile is large after the corner pile is inserted, welding the corner pile and the Larsen steel plate pile after the corner pile is matched with the Larsen steel plate pile; the purpose is as follows: the pile body components between adjacent piles can be effectively connected together, and the stability of the whole cofferdam is further better.
As shown in fig. 2 and 3, the limiting and fixing assembly 2 includes a steel pipe 21, a supporting member 22 and an i-steel 23, the supporting member 22 is welded and fixed on the side wall of the steel pipe 21, the i-steel 23 is welded and fixed on two adjacent steel pipes 21, and one side surface of the i-steel 23 abuts against the side surface of the pile body assembly 1; the steel pipes 21 are square steel pipes, and the distance a between every two adjacent steel pipes 21 is 3m to 5 m; the cross section of the steel barrel 4 is a rectangular barrel body, the length of the steel barrel 4 is smaller than the distance between two adjacent steel pipes 21, generally smaller than the size of 50cm, and the width of the steel barrel 4 is smaller than the distance between two adjacent pile body assemblies 1; therefore, the construction platform is convenient to build, and the stability and the building efficiency of the construction platform can be further improved.
The pile body assembly 1 comprises Larsen steel sheet piles 11, a plurality of Larsen steel sheet piles 11 are arranged, and adjacent Larsen steel sheet piles 11 are fixedly formed in an inserting mode and are sequentially inserted and arranged along the length direction of the pile body assembly 1; according to the length requirement of an actual construction platform, the number of the Larsen steel sheet piles 11 can be increased or decreased so as to meet the length increasing or decreasing requirement of the construction platform.
The present invention is not limited to the above embodiments, and any changes in the shape or material composition, or any changes in the structural design provided by the present invention, are all modifications of the present invention, and should be considered to be within the scope of the present invention.
Claims (7)
1. The utility model provides a highway bridge construction cofferdam device, includes pile body subassembly (1) and spacing fixed subassembly (2), its characterized in that: one end of each pile body assembly (1) is inserted into a river channel, two pile body assemblies (1) are in a group and are symmetrically distributed, each pile body assembly (1) sequentially surrounds a rectangular cofferdam (5) along the length direction of the pile body assembly (1), and the corners of each pile body assembly (1) are fixedly connected through corner piles (6); one end of the limiting and fixing component (2) is inserted into a river channel, and the limiting and fixing component (2) is respectively positioned on two sides of the pile body component (1) in the width direction; and a hollow steel barrel (4) is arranged between the opposite sides of the adjacent pile body assemblies (1), and the steel barrel (4) is inserted into a river channel.
2. The highway bridge construction cofferdam device of claim 1, wherein: still include bearing apron (3), bearing apron (3) lid is in every group the terminal surface of pile body subassembly (1) the other end with on the terminal surface of spacing fixed subassembly (2) the other end, just bearing apron (3) are equipped with a plurality of pieces and follow the length direction of pile body subassembly (1) arranges in proper order and places.
3. The highway bridge construction cofferdam device of claim 1 or 2, wherein: corner pile (6) set up between adjacent pile body subassembly (1), the upper end of corner pile (6) with it is fixed through the welding mode between pile body subassembly (1).
4. The highway bridge construction cofferdam device of claim 1, wherein: the limiting fixing assembly (2) comprises a steel pipe (21), a supporting piece (22) and I-shaped steel (23), the supporting piece (22) is welded and fixed on the side wall of the steel pipe (21), the I-shaped steel (23) is welded and fixed on the two adjacent steel pipes (21), and one side face of the I-shaped steel (23) is abutted to the side face of the pile body assembly (1).
5. The highway bridge construction cofferdam device of claim 4, wherein: the steel pipes (21) are square steel pipes, and the distance a between every two adjacent steel pipes (21) is 3-5 m.
6. The highway bridge construction cofferdam device of claim 5, wherein: the cross section of steel drum (4) is the staving of rectangle form, the length of steel drum (4) is less than the interval between two adjacent steel pipes (21), the width of steel drum (4) is less than the interval between two adjacent stake body subassemblies (1).
7. The highway bridge construction cofferdam device of claim 1, wherein: the pile body assembly (1) comprises Larsen steel plate piles (11), a plurality of Larsen steel plate piles (11) are arranged, and the Larsen steel plate piles (11) are adjacent to each other, are fixedly formed in an inserting mode and are sequentially inserted and arranged along the length direction of the pile body assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122622664.XU CN216238599U (en) | 2021-10-29 | 2021-10-29 | Highway bridge construction cofferdam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122622664.XU CN216238599U (en) | 2021-10-29 | 2021-10-29 | Highway bridge construction cofferdam device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216238599U true CN216238599U (en) | 2022-04-08 |
Family
ID=80992986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122622664.XU Active CN216238599U (en) | 2021-10-29 | 2021-10-29 | Highway bridge construction cofferdam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216238599U (en) |
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2021
- 2021-10-29 CN CN202122622664.XU patent/CN216238599U/en active Active
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