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Method for constructing lifting frame of gravel laying leveling ship

A lifting frame and construction method technology, applied in construction, water conservancy projects, artificial islands, etc., can solve the problems of not finding the same or similar technical solutions, high requirements for construction and installation accuracy, and improve welding quality and work efficiency. High precision and good construction environment

Active Publication Date: 2019-11-22
NANTONG ZHENHUA HEAVY EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 4. After the construction is completed, machining and mechanical equipment installation are required, and the construction and installation precision requirements are high
After retrieving relevant documents, no technical solutions identical or similar to the present invention have been found

Method used

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  • Method for constructing lifting frame of gravel laying leveling ship
  • Method for constructing lifting frame of gravel laying leveling ship
  • Method for constructing lifting frame of gravel laying leveling ship

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Embodiment Construction

[0059] The following examples can enable those skilled in the art to understand the present invention more comprehensively, but the present invention is not limited to the scope of the described examples.

[0060] In the construction method of the lifting frame of the gravel-laying leveling ship of the present invention, the lifting frame is divided into an upper guide unit, two lifting units, and two cylinder units, wherein the lifting unit includes an upper section of the lifting unit and a lower section of the lifting unit, and then , build and process each unit independently, and finally carry and close them on the berth, which can be realized through the following steps:

[0061] The first step is to make the upper section of the lifting unit: the upper section of the lifting unit includes a pair of symmetrically distributed lifting segments, the two lifting segments are relatively distributed, and the adjacent sides of the two lifting segments are in the shape of a cylind...

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Abstract

The invention relates to a method for constructing a lifting frame of a gravel laying leveling ship. The method for constructing the lifting frame of the gravel laying leveling ship comprises the steps that the lifting frame is first divided into an upper guide unit, two lifting units and two cylinder units, the lifting units further comprise lifting unit upper sections and lifting unit lower sections, then each unit is independently constructed and machined, and finally the lifting unit is carried and closed on a slipway. The method for constructing the lifting frame of the gravel laying leveling ship has the advantages that according to the structural characteristics of the lifting frame, the lifting frame is divided into five units for construction through optimization of the productionprocess, and each stage is performed on a dedicated station; and according to the production characteristics of each stage, welding shrinkage margin and anti-deformation are additionally arranged, aswell as a special welding sequence is made to ensure that cylinders and rack dimensions after the leg welding meet the drawing tolerance requirements.

Description

technical field [0001] The invention relates to the field of marine engineering and ship building methods, in particular to a method for building a lifting frame of a gravel-laying screed. Background technique [0002] In the construction of subsea tunnels, the foundation leveling of immersed tubes is an indispensable construction technology. The traditional manual leveling operation can no longer meet the needs of underwater construction. Key challenges in construction operations. The gravel leveling ship is an indispensable core equipment for foundation leveling, and its designed operating life is as long as 2,000 hours. The realization of this operating time mainly depends on its special components such as pile legs and lifting systems. [0003] The lifting frame structure is responsible for the pile insertion and extraction of pile legs and the positioning of the entire platform, which is the key component for the vertical movement and accurate positioning of the entire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B17/00E02B17/08
CPCE02B17/00E02B17/08
Inventor 徐锐季秋兵吴正峰沈鹏鹏施浩杰
Owner NANTONG ZHENHUA HEAVY EQUIP MFG