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Vertical assembly device for single-side-fixed convolute ultra-large centrifugal compressor impeller

A technology for centrifugal compressors and assembly devices, which is applied to the components of pumping devices for elastic fluids, mechanical equipment, non-variable pumps, etc., and can solve problems such as difficult operation

Active Publication Date: 2016-09-07
SHENYANG TURBO MASCH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when vertically assembling large centrifugal impellers, it is very difficult to operate

Method used

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  • Vertical assembly device for single-side-fixed convolute ultra-large centrifugal compressor impeller
  • Vertical assembly device for single-side-fixed convolute ultra-large centrifugal compressor impeller
  • Vertical assembly device for single-side-fixed convolute ultra-large centrifugal compressor impeller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] See attached Figure 1~4 , the one-side fixed and rotatable super large centrifugal compressor impeller vertical assembly device provided by the present invention includes a stator 1 and a rotating shaft 5, the rotating shaft 5 is connected to the stator 1, and the large centrifugal impeller rotor main shaft 2 can rotate with the rotating shaft 5 as the center of rotation, This enables the rotor main shaft 2 of the large centrifugal impeller to gradually change from the angle between the axis and the horizontal plane of 0° to the angle between the axis and the horizontal plane of 90°.

[0029] The one-side fixed and rotatable super large centrifugal compressor impeller vertical assembly device provided by the present invention includes a stator 1 and a rotating shaft 5, the rotating shaft 5 is connected to the stator 1, and the large centrifugal impeller rotor main shaft 2 can rotate around the rotating shaft 5, The large centrifugal impeller rotor main shaft 2 can grad...

Embodiment 2

[0066] Different from the vertical assembly device for super-large centrifugal compressor impeller fixed and rotatable on one side provided in Embodiment 1 of the present invention, the vertical assembly device for super-large centrifugal compressor impeller fixed and rotatable on one side provided in Embodiment 2 of the present invention Among them, the large centrifugal impeller rotor main shaft 2 is fixedly connected to the rotating shaft 5, and the rotating shaft 5 and the stator 1 form a rotating pair.

[0067] Specifically, the stator 1 includes a base, a pair of connecting ears 4, and the pair of connecting ears 4 are respectively fixedly connected to both ends of the base, the bottom end 8 of the rotor main shaft 2 of the large centrifugal impeller is fixedly connected to the shaft sleeve 6, and the rotating shaft 5 is fixedly connected to the The axle sleeve 6, the rotating shaft 5 and the connecting ear 4 form a revolving pair.

Embodiment 3

[0069] Improvements are made on the basis of the one-sided fixed and rotatable ultra-large centrifugal compressor impeller vertical assembly device provided in Embodiment 1 or Embodiment 2 of the present invention, and the unilaterally fixed and rotatable ultra-large In the centrifugal compressor impeller vertical assembly device, the lengths of several connecting rods 11 can be adjusted. In this embodiment, the number of connecting rods 11 is 4, which are respectively connected to four points of the central sleeve. By adjusting the lengths of the 4 connecting rods 11, the axis of the large centrifugal impeller rotor main shaft 2 can be ensured. Exactly 90° angle with the horizontal plane.

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Abstract

The invention discloses a vertical assembly device for a single-side-fixed convolute ultra-large centrifugal compressor impeller, and belongs to the technical field of fixation or location for workpieces. The vertical assembly device comprises a stator and a rotary shaft, wherein the rotary shaft is connected to the stator; a main shaft of a rotor of the large centrifugal impeller is capable of rotating by taking the rotary shaft as a rotary centre, so that the main shaft of the rotor of the large centrifugal impeller is capable of gradually changing an included angle of 0 degree between the axis of the main shaft of the rotor and a horizontal plane to an included angle of 90 degrees between the axis of the main shaft of the rotor and the horizontal plane; the main shaft of the rotor of the large centrifugal impeller is kept at a position with the included angle of 90 degrees between the axis of the main shaft of the rotor and the horizontal plane after the rotor and the horizontal plane is in a vertical state; and a second-stage impeller is hoisted and installed in the main shaft after being heated. The main shaft is laid flatly by using a crown block after the impeller is completely cooled. A first-stage impeller is installed after dynamic balance of the rotor, and the assembly process thereof is the same as above. According to the assembly device, the purpose of vertical assembly for the large centrifugal impeller is achieved, the assembly accuracy is improved, and the product production cycle is guaranteed. A feasible scheme is provided for vertical assembly for impellers of large rotor compressors.

Description

technical field [0001] The invention relates to the technical field of workpiece fixing or positioning, in particular to a vertical assembling device for a super large centrifugal compressor impeller fixed and revolvable on one side. Background technique [0002] Due to its advantages of high efficiency and low operating costs, air separation units are gradually being widely used in new coal chemical plants such as coal-to-oil, coal-to-natural gas, coal-to-olefins, and coal-to-aromatics. However, with the enlargement of the air separation unit, the technical parameters are more complicated, and the process assembly requirements are becoming more and more sophisticated. The main shaft of the 100,000 air separation rotor consists of three sections connected by bolts. In order to avoid the excessive static load of the tension bolt, it is not allowed to lift the main shaft vertically from the ground during the assembly process. Therefore, when carrying out vertical assembly to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/62
CPCF04D29/624
Inventor 徐养卓刘向东赵兴环郭峰王延飞蒋传杰
Owner SHENYANG TURBO MASCH CORP
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