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Honing device for eliminating steam turbine rotor journal runout out-of-tolerance

A steam turbine rotor and journal technology, applied in the field of machinery, to achieve the effects of avoiding cost and cycle, simple structure, and easy manufacturing

Pending Publication Date: 2020-09-01
HARBIN TURBINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the problem of how to minimize the out-of-tolerance of the journal runout, and further provides a honing device for eliminating the out-of-tolerance runout of the steam turbine rotor journal

Method used

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  • Honing device for eliminating steam turbine rotor journal runout out-of-tolerance
  • Honing device for eliminating steam turbine rotor journal runout out-of-tolerance
  • Honing device for eliminating steam turbine rotor journal runout out-of-tolerance

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specific Embodiment approach 1

[0026] Specific implementation mode one: combine Figure 1 to Figure 7 This embodiment is described. A honing device for eliminating runout of a steam turbine rotor journal described in this embodiment includes a housing, a bushing, a longitudinal rod 7 and a plurality of clamping block assemblies, and the housing is sleeved on the bushing. A plurality of clamping block assemblies are installed on the inner wall of the bush along the circumferential direction, and the longitudinal rod 7 is rotatably connected with the outer wall of the housing.

specific Embodiment approach 2

[0027] Specific implementation mode two: combination Figure 7 Describe this embodiment, the casing described in this embodiment is the torus that is made up of upper half casing 1 and lower half casing 2, and one end of upper half casing 1 is connected with the right end of lower half casing 2 by bolt, The other end of the upper half-shell 1 is connected to the left end of the lower half-shell 2 through a screw, and one end of the longitudinal rod 7 is rotatably connected to the screw 5 . Longitudinal bar 7 is made up of cylindrical body 7-1 and tubular body 7-2.

[0028] Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0029] Specific implementation mode three: combination Image 6 with Figure 7 To illustrate this embodiment, the left end of the upper half shell 1 in this embodiment is provided with a first tubular handle 1-2 and a second tubular handle 1-3; the left end of the lower half shell 2 is provided with a third tubular handle 2- 1 and the fourth tubular handle 2-2, one end of the screw pin 5 passes through the third tubular handle 2-1, the second tubular handle 1-3, the tubular body 7-2 of the longitudinal rod 7, the fourth tubular handle 2- After 2 and the first tubular handle 1-2, with nut 6, tighten the stop above and connect as the door hinge connection structure.

[0030] The other components are the same as those in Embodiment 1 or 2 in terms of connections.

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Abstract

The invention relates to a honing device, particularly relates to a honing device for eliminating steam turbine rotor journal runout out-of-tolerance, and aims to solve the problem of how to eliminatethe journal runout out-of-tolerance to the minimum. The honing device for eliminating the steam turbine rotor journal runout out-of-tolerance comprises a shell, a lining, a longitudinal rod and a plurality of clamping block components, wherein the lining is sleeved with the shell, the plurality of clamping block components are installed on the inner wall of the lining in the circumferential direction, and the longitudinal rod is rotationally connected with the outer wall of the shell. According to the device, the minimum removal of rotor journal runout can be realized, the increase of cost and period caused by bearing bush fitting is avoided as much as possible, the surface machining quality of a journal can be greatly improved and can reach Ra0.6, and the device is simple in structure, easy to produce and manufacture, low in cost and convenient to use in a large range.

Description

technical field [0001] The invention relates to a honing device, in particular to a honing device for eliminating the runout excess of a steam turbine rotor journal. The invention relates to the field of mechanical technology. Background technique [0002] Due to one or several reasons such as equipment, cutting tools, workpiece status, and processing methods in the machining of steam turbine rotors, the runout of the processed rotor journal is out of tolerance, which directly affects the stability of the rotating shaft system of the steam turbine unit. Therefore, the runout exceeds The difference must be eliminated. The polishing machine used for the grinding of large horizontal cars is an abrasive belt structure. The abrasive belt grinding is a flexible process, which can only be used for profiling. It can only improve the surface finish of the shaft diameter, and cannot eliminate the journal jump. It is eliminated by the minimum amount of turning, but the amount of remova...

Claims

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Application Information

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IPC IPC(8): B24B33/04B24B33/08B24B33/10
CPCB24B33/04B24B33/081B24B33/083B24B33/10
Inventor 戚金业高岩张红星李俊海刘震
Owner HARBIN TURBINE
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