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Large steel cofferdam sliding launching gear

A steel cofferdam and sliding technology, applied in construction, infrastructure engineering, caissons, etc., can solve the problems of difficult salvage of airbags and water loss, and achieve the effect of convenient disassembly and reuse

Pending Publication Date: 2019-04-19
CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As for the large-scale steel cofferdams produced in factories, which have the characteristics of large size and large tonnage, the more suitable method is the airbag method, but due to the additional slideway facilities, it is difficult to salvage the airbags after entering the water. , causing considerable losses when launching into the water

Method used

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  • Large steel cofferdam sliding launching gear
  • Large steel cofferdam sliding launching gear
  • Large steel cofferdam sliding launching gear

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] See Figure 1 ~ Figure 2 As shown, the first embodiment of the present invention provides a large-scale steel cofferdam slipping and launching device. In the embodiment of the present invention, the steel cofferdam 2 is a double-walled steel cofferdam with a dumbbell shape. The sliding launching device 1 includes a sliding platform 10 and multiple sets of support column assemblies 11. Among them, the sliding platform 10 is a detachable assembly of multiple rods to form a dumbbell shape matching the shape of the steel cofferdam 2. The steel cofferdam 2 is assembled on the sliding platform 10, so the sliding platform 10 is set A dumbbell shape matching the shape of the steel cofferdam 2 is conducive to the assembly and fixing of the steel cofferdam 2. The size and volume of the sliding platform 10 are relatively large. The sliding platform 10 can be assembled according to the actual steel cofferdam. The size of the weir 2 is used to assemble the sliding platform 10, which ...

Embodiment 2

[0039] See Figure 4 ~ Figure 6 As shown, Embodiment 2 of the present invention is a large-scale steel cofferdam sliding launching system, including a slipway 3, at least one sliding launching device 1, a hoist 4, and a floating crane 5. Among them, the slipway 3 includes a chute 30 arranged obliquely downward, the chute 30 includes an installation area 300 and a hoisting area 301; the sliding and launching device 1 is arranged on the chute 30, and the inclination of the sliding surface 13 and the chute 30 Matching, the sliding member 12 can slide along the slide 30 from the installation area 300 to the hoisting area 301; the hoist 4 is located next to the installation area 300, and the hoist 4 and the sliding launching device 1 are connected by a wire rope 40; the floating crane 5 is located Next to the hoisting area 301, the floating crane 5 is used for hoisting the steel cofferdam 2 that slides to the hoisting area 301. The sliding launching device 1 in embodiment 2 of the ...

Embodiment 3

[0044] Embodiment 3 of the present invention provides a method for sliding and launching a large steel cofferdam using the sliding launching system in Embodiment 2, which includes the following steps:

[0045] Assemble a sliding launching device 1 in the installation area 300, and connecting the sliding launching device 1 with the hoist 4 with a wire rope 40;

[0046] Assemble steel cofferdam 2 on the sliding platform 10;

[0047] Release the fixed connection between the sliding launcher 1 and the slide 30, so that the slide 12 slides along the slide 30 from the installation area 300 to the hoisting area 301;

[0048] Lift the steel cofferdam 2 into the water with a floating crane 5.

[0049] The sliding launching device 1 in embodiment 3 of the present invention is assembled in the installation area 300 sliding to 30, and the sliding platform 10 is assembled into a dumbbell shape matching the shape of the steel cofferdam 2 and placed on the sliding platform 10 Assemble the dumbbell-sh...

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Abstract

The invention discloses a large steel cofferdam sliding launching gear which comprises a sliding platform and a plurality of support column components, wherein the sliding platform is formed by detachably assembling a plurality of rods. The support column components are arranged at intervals along the length direction of the sliding platform, each support column component comprises support columnsarranged on two sides of the sliding platform at intervals, the support columns are fixed to the bottom of the sliding platform, sliding parts for drawing a steel cofferdam to slide are arranged at the bottoms of the support columns, and the bottoms of all the sliding parts jointly form a downward inclined sliding surface. The sliding platform can be assembled into a shape matched with that of the steel cofferdam according to the shape of the steel cofferdam, the size and the volume of the sliding platform are large, and the sliding platform can be assembled according to the actual size of the steel cofferdam and can also be conveniently detached and reused.

Description

Technical field [0001] The invention relates to the field of bridge construction, in particular to a sliding and launching device for a large steel cofferdam. Background technique [0002] As a temporary facility for bridge foundation construction, the cofferdam is mainly used as a water-proof device for water foundation construction or as a protective support for the excavation of deep foundation pits, so as to carry out steel bar binding, formwork installation and concrete pouring under water-free and safe conditions , The cofferdam can also be used as a work platform for pile foundation construction. [0003] The existing conventional launching methods for steel cofferdams mainly include: lifting launching method, sunken ship launching method, and air bag method. As for the large-scale steel cofferdam manufactured by factory, which has the characteristics of large size and large tonnage, the more suitable method is the airbag method. However, due to the additional slideway faci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D19/04E02D23/08
CPCE02D19/04E02D23/08
Inventor 李越生刘自明张红心肖世波刘永酃李宗琼叶绍其杨碧波钱玉山龚金才李鑫胡吉星聂和军妥鹏
Owner CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD