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A hoisting device and hoisting method for ring member installation

A technology of ring components and hoisting devices, which is applied in hoisting devices, hoisting equipment braking devices, supporting structures, etc., can solve the problems of insufficient large-scale hoisting capacity and insufficient assembly site, and achieve reduced hoisting deformation, small weight, and The effect of improving efficiency

Active Publication Date: 2020-06-12
SHANDONG NUCLEAR POWER EQUIP MFG +1
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Problems solved by technology

[0004] In order to solve the technical problems existing in the prior art, the present invention proposes a hoisting device and hoisting method for the installation of ring components. Using the hoisting tool of the present invention, it can solve the problems of insufficient assembly space, large-scale transportation and large-scale hoisting in the prior art. Insufficient capacity and other problems; it is convenient to hoist a single (combined) wall block in place, and improve the efficiency of introduction from the ground to the predetermined installation position

Method used

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  • A hoisting device and hoisting method for ring member installation
  • A hoisting device and hoisting method for ring member installation
  • A hoisting device and hoisting method for ring member installation

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Embodiment Construction

[0051] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0052] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof;

[0053]As introduced in the background technology, in the existing technology, the SC structure shielding plant h...

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Abstract

The invention discloses a hoisting device and method for installation of an annular component. The hoisting device comprises a hoisting tower and an arc-shaped bridge erecting machine. The arc-shapedbridge erecting machine comprises an arc-shaped main beam, and a lifting trolley capable of sliding in the arc direction of the main beam is arranged at the top of the main beam. Three supporting legsare arranged at the bottom of the main beam, and an operation mechanism is arranged at the bottom of each supporting leg. Two of the supporting legs can move to the outer side or the inner side in the radial direction of the main beam. A bearing wheel is arranged at the bottom of one end of the main beam. By means of the hoisting device and method, a splicing site is not needed, a heavy-cargo transportation road and a large crane are not required for lifting so that a series of problems, caused by whole-circle hoisting, such as insufficient splicing site, heavy-cargo transportation and insufficient large hoisting and bearing capacity in the prior art can be solved.

Description

technical field [0001] The invention relates to a hoisting device and a hoisting method for installing an annular component (shielding workshop). Background technique [0002] The shielding plant is the last radiation protection shield of the nuclear island of the nuclear power plant. It is arranged outside the nuclear island plant to protect against the impact of aircraft or missiles, and plays an important role in improving the overall safety of the nuclear power plant. CAP1000 and CAP1400 passive pressurized water reactor nuclear power plant shielding building and steel containment are a tube-in-tube structure, the inner cylinder is a steel containment vessel, and the outer cylinder is a shielding building. The shielding factory building mainly adopts the form of steel plate-concrete structure (SC structure for short) in which concrete is poured in the middle of double-layer annular steel plates. The overall diameter is large and the height is high. Reinforcement parts s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C5/02B66C6/00B66C7/08
Inventor 槐浩举李超马淋淋白朝阳汤传乐孟和苏乐德吴伟杨中伟谢建强朱恒雨宋瑛华冯威扬高鹤齐
Owner SHANDONG NUCLEAR POWER EQUIP MFG
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