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An underwater docking device for a floating tunnel in water and its application

An underwater docking and underwater suspension technology, which is applied to underwater structures, water conservancy projects, artificial islands, etc., can solve the problems of increasing the difficulty of underwater docking of floating tunnel pipes, reduce manual underwater operations, and ensure safe construction , Improve the effect of construction progress

Active Publication Date: 2016-08-17
HEFEI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unlike immersed tube tunnels, underwater floating tunnels are usually located between ten and thirty meters underwater. In addition to the factors affected by the underwater butt joint installation of immersed tube tunnels, water flow and waves will cause the floating tunnel body and the installation and lifting ship to swing , which greatly increases the difficulty of docking the floating tunnel body in water

Method used

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  • An underwater docking device for a floating tunnel in water and its application
  • An underwater docking device for a floating tunnel in water and its application
  • An underwater docking device for a floating tunnel in water and its application

Examples

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Embodiment Construction

[0042] Such as image 3 and Figure 4 As shown, in this embodiment, the butt joint pipes are the upper joint pipe 1b and the lower joint pipe 1a, and the docking device performs the docking operation between the upper joint pipe 1b and the lower joint pipe 1a, and the underwater docking device of the floating tunnel in water includes:

[0043] A cylindrical steel frame 2, such as figure 1 As shown, in order to prevent the marine environment from corroding the structure, all exposed surfaces of the steel frame 2 are coated with polyurethane anti-corrosion coating; the inner diameter of the steel frame 2 is 1-2 meters larger than the outer diameter of the pipe joint, and the axial length is 20-30 meters. Set its second half section on the outer circumference of the upper section pipe 1b, and use the roller 8 arranged on the second half section to support the outer circumference of the upper section pipe 1b; on the inner side wall of the first half section of the steel frame 2 ...

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Abstract

An underwater docking assembly for underwater suspension tunnels and an implementation method therefor. The docking assembly comprises a steel frame (2). The second half section of the steel frame (2) is sleeved and supported on an upper tube (1). A plurality of surrounding steel rails (7) is disposed at different axial positions on the inner side wall of the first half section of the steel frame (2), axial steel rails (6) communicating the surrounding steel rails (7). A plurality of telescopic mechanical arms (5) is supported on the axial steel rails (6) by means of rotatable idler wheels (51), and can move in the axial steel rails (6) and the surrounding steel rails (7). The paired telescopic mechanical arms (5) clamp a lower tube (1'). Temporary tracks (3) are disposed on the outer side wall of a docking tube axially, and rollers (8) are supported in the temporary tracks, such that the docking tube and the steel frame (2) are located at a coaxial position and can relatively and axially move. The docking assembly and the corresponding docking method can achieve accurate docking of underwater suspension tunnels in a semi-automated form.

Description

technical field [0001] The invention relates to an underwater tunnel docking device, in particular to an underwater floating tunnel underwater docking installation device and its application. Background technique [0002] The floating tunnel in the water, also known as the Archimedes bridge, maintains the balance and stability in the water through the joint action of the structure's self-weight, buoyancy and anchoring system. Compared with traditional transportation forms such as sea-crossing bridges and immersed tube tunnels, floating tunnels in water are a new type of transportation concept proposed in recent years. Due to its own economy, environmental protection, earthquake resistance and convenience, it is destined that the underwater floating tunnel will have a very broad application prospect in the future. However, the transportation concept of floating tunnel in water involves a wide range of fields, and there are still many technical problems to be solved. Therefor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/067
CPCE02D29/067
Inventor 董满生张嫄唐飞孙志彬
Owner HEFEI UNIV OF TECH
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