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Clamping and positioning device for processing gas turbine power turbine guide vane reference plane

A technology for gas turbines and power turbines, which is applied to positioning devices, clamping devices, metal processing machinery parts, etc., can solve the problems of inconsistency in the assembly and positioning of steam channels and steam channel arcs, damage to steam channels, etc., to achieve stable processing and improve Effects of improved efficiency, positional accuracy and geometric accuracy

Active Publication Date: 2016-06-15
HARBIN TURBINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problem that there is no special fixture device in the process of processing the guide vane of the power turbine of the existing gas turbine, the assembly and positioning of the steam channel and the circular arc of the steam channel are inconsistent, and the problem that the steam channel is damaged, and further provides a method for processing the guide vane of the gas turbine power turbine. Clamping device for blade datum plane

Method used

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  • Clamping and positioning device for processing gas turbine power turbine guide vane reference plane
  • Clamping and positioning device for processing gas turbine power turbine guide vane reference plane
  • Clamping and positioning device for processing gas turbine power turbine guide vane reference plane

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specific Embodiment approach 1

[0013] Specific implementation mode 1: Combination Figure 1-Figure 5 It is explained that a clamping and positioning device for processing the reference surface of a gas turbine power turbine guide vane in this embodiment includes a clamping body 1, a first tightening device 2, a second tightening device 3, three positioning cylindrical pins 5, and three positioning Round pin 6, four auxiliary lifting adjustment support devices 8, four pressing devices 4 and six positioning seats;

[0014] The six positioning bases include a first positioning base 12, a second positioning base 13, a third positioning base 14, a fourth positioning base 15, a fifth positioning base 16, and a sixth positioning base 17; the first positioning base 12, the second positioning base The seat 13, the third positioning seat 14, the fourth positioning seat 15, the fifth positioning seat 16, and the sixth positioning seat 17 are correspondingly installed on the upper end surface of the clamp body 1 according...

specific Embodiment approach 2

[0021] Specific implementation manner two: combination figure 1 Note that the clip body 1 described in this embodiment is a square clip body. With this arrangement, the structure is simple and the design is reasonable. Others are the same as the first embodiment.

specific Embodiment approach 3

[0022] Specific implementation mode three: combination image 3 It is explained that the first tightening device 2 described in this embodiment includes a first tightening block 2-1 and a first bolt 2-2, and the first tightening block 2-1 is installed obliquely on the upper end surface of the clamp body 1. The first bolt 2-2 is screwed on the high end of the first tightening block 2-1. With this arrangement, the tightening of the first bolt facilitates the tightening and positioning of the gas turbine power turbine guide blade blank, which is convenient and reliable to use. Others are the same as the first embodiment.

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Abstract

The invention provides a clamping and positioning device for machining a gas turbine power turbine guide vane datum face, and relates to the clamping and positioning device. The clamping and positioning device aims to solve the problems that no special fixture device exists in the existing machining process of gas turbine power turbine guide vanes, assembling and positioning of steam passages are inconsistent with assembling and positioning of steam passage circular arcs, and the steam passages are damaged. The clamping and positioning device comprises a fixture, a first screwing device, a second screwing device, three positioning cylindrical pins, three positioning round head pins, four auxiliary lifting adjusting and supporting devices, four pressing devices and six positioning bases. The first positioning base, the second positioning base, the third positioning base, the fourth positioning base, the fifth positioning base and the sixth positioning base are correspondingly installed on the upper end face of the fixture according to the positions of six datum points for machining workblanks of the gas turbine power turbine guide vanes. The first screwing device, the second screwing device, the four pressing devices and the four auxiliary lifting adjusting and supporting devices are arranged on the upper end face of the fixture. The clamping and positioning device is used for positioning and machining of the gas turbine power turbine guide vanes.

Description

Technical field [0001] The invention relates to a clamping and positioning device, which belongs to the technical field of steam turbine processing. Background technique [0002] The gas turbine power turbine guide blade is a precision cast blade with special material, high hardness, special shape and large steam channel surface. Its assembly is based on the working part of the steam channel after casting to position and process other assembly parts, including blade roots, For blade crown, steam inlet and outlet side planes, etc., in processing and assembly, it is necessary to ensure that the working part of the steam passage (the steam passage is not processed after pouring) is consistent, and the machining process reference plane includes the drop of the blade root and the blade top steam side plane and The position of the outer arc procedure has a certain influence relative to the position of the steam channel. Therefore, it is necessary to locate the steam passage and the ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/00
CPCB23Q3/00B23Q2703/10
Inventor 李辉李强黄守滨闫智宏刁建平徐玉宝柴晓辉张义彬胡春利
Owner HARBIN TURBINE
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