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A vertical rolling mill cardan shaft hoisting tool and hoisting method

A hoisting tool and a technology for vertical rolling mills, which are applied in transportation and packaging, load hanging components, etc., can solve problems such as damage to the cardan shaft body structure of vertical rolling mills, shorten the service life of equipment, and slow construction progress, so as to improve hoisting Safety, reduction of shaking problems, and overall improvement

Active Publication Date: 2022-02-11
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The installation of the universal joint shaft of the vertical rolling mill generally uses a steel wire rope or a boom to bind the universal joint shaft, and then uses a hoist, an electric hoist or a chain hoist to lift the universal joint shaft to the height of the docking port of the vertical rolling mill reducer, and then The method of using a chain block to pull the cardan shaft to the joint to lock it, although the construction process is relatively simple, but the construction progress is slow, and the safety is low during the hoisting process, especially when the cardan shaft is fully hoisted, and it is prone to accidents. Accidents, and it is very easy to cause certain structural damage to the motor, reducer and cardan shaft body of the vertical rolling mill, shortening the service life of the equipment, so a hoisting method for the cardan shaft of a vertical rolling mill that can effectively solve the above problems is needed

Method used

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  • A vertical rolling mill cardan shaft hoisting tool and hoisting method
  • A vertical rolling mill cardan shaft hoisting tool and hoisting method
  • A vertical rolling mill cardan shaft hoisting tool and hoisting method

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Such as Figure 1 to Figure 3 As shown, a vertical rolling mill cardan shaft hoisting tool includes a main boom 1 and an auxiliary boom 2, the main boom 1 and the auxiliary boom 2 are distributed in a cross-shaped structure, and the main boom 1 is equipped with an auxiliary support assembly And the lifting lug 11, the lifting device can be connected by using the lifting lug 11, and the auxiliary support assembly is used for the auxiliary support of the shaft body of the universal joint shaft before the universal joint shaft is fully lifted.

[0026] Wherein, the auxiliary support assembly includes an auxiliary support rod 12, a connecting frame 13 and a reinforcing rod 14, the auxiliary support rod 12 is fixedly connected to the main boom 1 and is located below the auxiliary boom 2, and the auxiliary support rod 12 is far away from the main boom 1 One end of one end is connected with the connecting frame 2 13 that is used to install the cardan shaft through the rotating...

Embodiment 2

[0031] A hoisting method of a vertical rolling mill cardan shaft hoisting tool, comprising the following steps:

[0032] Step 1. First, the hoisting tool is completed, and the clamp is fixed to the universal shaft through the bolts in the first connecting frame 22, and the universal bearing is supported through the supporting part 131 in the second connecting frame 13, and the clamping block 133 is paired. The cardan shaft is connected to ensure that the cardan shaft slides freely inside the supporting part 131;

[0033] Step 2. Connect the lifting lug 11 through the hook of the workshop driving, and gradually lift the main boom 1 and the auxiliary boom 2. In the process, the main boom 1, the auxiliary support rod 12, the second connecting frame 13 and the reinforcing rod 14 The suspension rod 2 moves horizontally, and the support rod 16 drives the slider to move up along the chute 15. The shaft body of the cardan shaft is gradually lifted under the action of the auxiliary sup...

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Abstract

The invention discloses a hoisting tool and a hoisting method for a universal shaft of a vertical rolling mill, belonging to the technical field of rolling mill hoisting construction. The invention includes a main boom and an auxiliary boom, the main boom and the auxiliary boom are distributed in a cross-shaped structure, the main boom is provided with auxiliary support components and lifting lugs, and the auxiliary support components are used for complete lifting Auxiliary support for the shaft body of the cardan shaft in front of the cardan shaft, the main hanger and the auxiliary support assembly are both slidably connected to the auxiliary hanger, one end of the auxiliary hanger is fixedly installed with a counterweight, and the auxiliary hanger The other end of the rod is rotatably connected with a connecting frame 1 for installing the cardan shaft, which effectively ensures safety and stability during hoisting and improves hoisting efficiency.

Description

technical field [0001] The invention relates to the technical field of rolling mill hoisting construction, in particular to a hoisting tool and a hoisting method for a vertical rolling mill cardan shaft in a rolling mill. Background technique [0002] In the field of rolling mill equipment installation in the current metallurgical construction industry, the installation of vertical rolling mills is a difficult problem, and in the installation of vertical rolling mills, the installation of cardan shafts is a key process. The installation of the universal joint shaft of the vertical rolling mill generally uses a steel wire rope or a boom to bind the universal joint shaft, and then uses a hoist, an electric hoist or a chain hoist to lift the universal joint shaft to the height of the docking port of the vertical rolling mill reducer, and then The method of using a chain block to pull the cardan shaft to the joint to lock it, although the construction process is relatively simpl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C1/22B66C13/06B66C13/00
CPCB66C1/22B66C13/06B66C13/00
Inventor 黄无忌赵学进岳杰潘邦全
Owner CHINA MCC17 GRP
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