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Device for performing shrinkage fit on copper sleeve or steel sleeve and method for performing shrinkage fit by using device

A technology of steel sleeve and copper sleeve, applied in the field of red sleeve, can solve the problems of difficulty in accurately aligning the center, difficult in precise positioning and lifting devices, and high cost, and achieves the effects of stable entry process, fast alignment speed, and reduced deformation.

Pending Publication Date: 2022-04-29
武汉重工铸锻有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for a new type of propeller shaft, the length of the red bush where the copper bush is located is 4.5 meters, accounting for 2 / 3 of the total length of the propeller shaft, resulting in no support for the propeller shaft when the red bush is used
Consider vertical red sets, which are unsafe to operate and require high venues
Limited by the height of the factory workshop space, it is necessary to dig a pit more than 6 meters deep, and install auxiliary tooling to facilitate the operation of the workers, and the cost is high; due to the difficulty in accurate positioning of the crane and the limitation of the lifting device, it is difficult to quickly and accurately find the center when the red set , remove the tooling, the operation is difficult
Considering the horizontal red sleeve, higher requirements are put forward for the positioning of the shaft sleeve, the heating time of the shaft sleeve, the change of the shaft temperature, the installation clearance, and whether it is easy to install. At present, there is no method for red sleeve of the super long shaft sleeve

Method used

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  • Device for performing shrinkage fit on copper sleeve or steel sleeve and method for performing shrinkage fit by using device
  • Device for performing shrinkage fit on copper sleeve or steel sleeve and method for performing shrinkage fit by using device
  • Device for performing shrinkage fit on copper sleeve or steel sleeve and method for performing shrinkage fit by using device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] figure 1 Shows the preferred embodiment of the application ( figure 1 It shows a schematic structural view of a copper or steel sheath device provided in the first embodiment of the present application). For the convenience of description, only the parts related to this embodiment are shown, and the details are as follows:

[0038] A copper sleeve or steel sleeve red sleeve device includes a U-shaped frame welded according to the required volume of the diameter and length of the copper sleeve or steel sleeve, and the length, width, and height meet the load-bearing requirements. The bottom of the U-shaped frame is evenly provided with several groups of supporting angled steels along the extension direction. The supporting angled steels are a support structure with an opening facing upwards. Copper sleeves are formed between the upper part of the supporting angled steels and the two sides of the U-shaped frame. Or the steel sleeve is placed in the space, and the two side...

Embodiment 2

[0043] This program also provides a method for using the above device to red-sleeve the shaft and the shaft sleeve. The specific process is as follows:

[0044]Step 1, assemble a positioning device on the red sleeve part of the shaft 12, set up the shaft 12, make the red sleeve part and the entry path of the red sleeve empty, and make the inlet end of the red sleeve part of the shaft 12 higher than the outlet end , the angle between the outlet end and the inlet end and the horizontal line is about 5°. If the center of gravity of the shaft 12 is located in the red sleeve or the path of the red sleeve, it is necessary to consider the auxiliary tooling 14 to support the shaft so that the red sleeve and the path where the red sleeve enters are empty. It is not recommended to set support levels in the red set path. According to the actual operation, for a new type of propeller shaft, the length of the red sleeve where the copper sleeve is located is 4.5 meters, accounting for 2 / 3 ...

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Abstract

The invention relates to the technical field of shrinkage fit, in particular to a copper sleeve or steel sleeve shrinkage fit device and a method for conducting shrinkage fit through the copper sleeve or steel sleeve shrinkage fit device. Comprising a U-shaped frame, a plurality of sets of supporting bevel steel are evenly arranged at the bottom of the U-shaped frame in the length direction, the supporting bevel steel is of a supporting structure with an upward opening, and a copper sleeve or steel sleeve containing space is formed between the upper portion of the supporting bevel steel and the two sides of the U-shaped frame. Round bars are symmetrically welded to the positions, close to the ends, of the two sides of the U-shaped frame. The device is suitable for ultra-long copper bushes or steel bushes, can also be suitable for copper bushes or steel bushes with general lengths, and can meet the shrinkage fit requirement and ensure the shrinkage fit quality.

Description

technical field [0001] The invention relates to the technical field of red sheathing, in particular to a device for red sheathing of copper or steel sheaths and a method for red sheathing using the device. Background technique [0002] Generally, the shaft sleeve does not exceed 2.5 meters. The red sleeve is relatively simple, and the shaft sleeve is easy to align. The shaft temperature does not change much when the red sleeve is used, and it is easy to operate. However, for a new type of propeller shaft, the length of the red bush where the copper bush is located is 4.5 meters, accounting for 2 / 3 of the total length of the propeller shaft, resulting in no support for the propeller shaft when the red bush is used. Consider vertical red sets, which are unsafe to operate and require high venues. Limited by the height of the factory workshop space, it is necessary to dig a pit more than 6 meters deep, and install auxiliary tooling to facilitate the operation of the workers, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P11/02
CPCB23P11/02B23P11/025
Inventor 张国英程杰汪超石海涛尹解元王寒风张津培芦伟刘丹桂志刚黄继武刘峰潘小飞
Owner 武汉重工铸锻有限责任公司