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A power station unit top cover sling and its hoisting method

A technology for power station units and top covers, which is applied in the directions of transportation, packaging, and load hoisting components, can solve the problems of complex operation and high risk, and achieve the effect of simple structure, flexible and convenient installation, and balanced hoisting process.

Active Publication Date: 2017-03-08
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a special spreader and its hoisting method for the top cover of the power station unit, so as to solve the problem that the lifting operation of the top cover of the hydropower station unit is complicated and dangerous. In addition, the invention also solves the size of the top cover with different radii

Method used

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  • A power station unit top cover sling and its hoisting method
  • A power station unit top cover sling and its hoisting method
  • A power station unit top cover sling and its hoisting method

Examples

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] A special spreader for the top cover of a power station unit, which includes a plurality of arc-shaped seat plates 20 that are continuously hinged to each other. Bolt holes 210, each arc-shaped seat plate 20 is provided with an ear plate 220, the ear plate 220 is provided with a lifting hole 221, and the lifting hole 221 is provided with a shackle, and the shackle is provided with Wire rope hanging on the hook. The bolt holes 210 may be symmetrically disposed on both sides of the lug plate 220 . The arc-shaped seat plate 20 is provided with a through hole 240 for binding a rope.

[0022] The arc-shaped seat plate 20 is provided with multiple layers of arc-shaped plates, and each layer of arc-shaped plates is fixedly connected by longitudinal reinforcing ribs 231 .

[0023] A chain lock 410 and a protruding pin 420 that can c...

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Abstract

The invention discloses a power station unit top cover lifting appliance and a lifting method thereof. The power station unit top cover lifting appliance comprises a plurality of sections of arc-shaped base plates which are continuously hinged with one another, each arc-shaped base plate is provided with a bolt hole used for being matched with an outer ring frame or inner ring frame of a top cover, an ear plate is arranged on each arc-shaped base plate and provided with a lifting hole, a shackle is arranged on the lifting hole and provided with a steel wire rope being hooked on a hook. The special lifting appliance is used by connecting the lifting appliance with the top cover structure at the top of the unit by matching of the bolt, the lifting appliance is simple in structure, flexible and convenient for on-site installation, especially applicable to various sizes of top covers, thus, the selection of lifting points and check workload can be greatly reduced, and the lifting process is balanced, safe and reliable.

Description

technical field [0001] The invention relates to a top cover sling for a power station unit and a hoisting method thereof. Background technique [0002] The top cover of the hydropower unit figure 1 As shown, the top cover includes an inner ring frame 110 and an outer ring frame 120, and a connecting rod 111 is provided between the inner ring frame 110 and the outer ring frame 120. Since there is no lifting device on the top cover, the installation and maintenance process is based on the actual conditions of the components on site. , Temporarily adopt the way of winding steel wire rope for hoisting, which brings great danger to the lifting work. Contents of the invention [0003] The purpose of the present invention is to provide a special spreader and its hoisting method for the top cover of the power station unit, so as to solve the problem that the lifting operation of the top cover of the hydropower station unit is complicated and dangerous. In addition, the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C1/12
CPCB66C1/12
Inventor 李慧郎
Owner STATE GRID CORP OF CHINA
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