Upper upright column turnover device and method for marine crane

A technology of overturning device and column, which is applied in the direction of transportation and packaging, cargo handling equipment, load hanging components, etc. It can solve problems such as increased construction volume, sudden change of object center of gravity, and operational risks, so as to improve operational safety, save construction period, cost reduction effect

Inactive Publication Date: 2015-04-29
YANTAI RAFFLES SHIPYARD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution needs to lay slides on the construction site in advance, increasing the amount of construction; and during the turning process, the slippage of the turned objects on the slides is not easy to control, which may cause a sudden change in the center of gravity of the objects, which will have a negative impact on the spreader and cause operational risks

Method used

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  • Upper upright column turnover device and method for marine crane
  • Upper upright column turnover device and method for marine crane
  • Upper upright column turnover device and method for marine crane

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Embodiment Construction

[0023] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0024] The present invention realizes the overturning of the upper column through the upper column overturning device, and the upper column overturning device is described below:

[0025] Such as image 3 , 5 As shown, the upper column turning device includes two turning parts 20 and turning brackets 30 . The two turning parts 20 are symmetrically installed on both sides of the tail end of the upper column 12 . Such as Figure 5 As shown, each turning portion 20 includes a rotating shaft 21 and two flanges 22 . The rotating shaft 21 can be a steel pipe, which protrudes outward perpendicular to the center line of the upper column 12 and is welded on the colu...

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Abstract

The invention provides an upper column turning device and method of a marine crane. The upper column turning device includes: two turning parts, which are symmetrically installed on both sides of the tail of the upper standing column, and each turning part includes a rotating shaft; and a turning bracket , including: a base; and two vertical plates, which are vertically fixed on the base, and have a notch at the upper end; wherein, the two rotating shafts of the two turning parts are correspondingly inserted into the notch, so that the upper column can wrap around the turning bracket rotate. The method for turning the upper column by using the upper column turning device includes the following steps: Step 1: Fix the turning bracket on a platform, and use a sling to hang the horizontally placed upper column to the turning bracket, so that the rotating shaft and the vertical Align the notch of the plate; step 2: use the sling to rotate the upper column around the shaft until it is nearly erect; step 3: separate the upper column from the flip bracket, and lift the upper column vertically; step 4: move the A spreader is used to mount the upper column to the base.

Description

technical field [0001] The invention relates to the installation of a large-scale marine crane, and in particular discloses a flipping device and a flipping method for an upper column of a marine crane. Background technique [0002] see figure 1 , a deep-sea semi-submersible platform 10 is equipped with two large-scale mast spreaders, which can be mainly divided into three parts: the base 11, the upper column 12, and the boom 13; these three parts are constructed by the manufacturer and transported to the installation place for assembly and commissioning. [0003] The upper column 12 of the spreader is a slender conical shape, with a weight of more than 300t, a height of more than 40m, and a diameter of more than 7m. It is generally laid down horizontally during construction, and it is turned upside down and closed with the base 11 during installation. . [0004] Conventional slender conical flip erection methods include two: [0005] 1) Due to the large length and weigh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C13/08B66C23/60
CPCB66C13/08
Inventor 李天侠未俊丰
Owner YANTAI RAFFLES SHIPYARD
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