Blade equivalent measuring tool and blade equivalent measuring method
A blade and equivalent technology, applied in the field of blade measurement, can solve the problems of complex operation, long blade processing time, and low processing efficiency, and achieve the effects of simple operation, shortened processing time, and improved processing efficiency
Active Publication Date: 2021-02-09
AVIC PST NANFANG GAS TURBINE COMPLETE MFG & INSTALLATION
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Problems solved by technology
[0005] The invention provides a blade equivalent measuring tool and a blade equivalent measuring method to solve the problems of complex operation, long blade processing time and low processing efficiency when using the existing blade equivalent measuring device to measure whether the blade equivalent is qualified. question
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[0032] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0033]refer to figure 2 and image 3 , a preferred embodiment of the present invention provides a blade equivalent measuring tool, including: a fixed support 10 fixedly arranged and a sliding support 20 slidably arranged relative to the fixed support 10, the fixed support 10 is provided with a The side edges on the mortise of the measuring blade 30 and the side edges on the blade crown are respectively attached to the positioning surface 101 for positioning, and the positioning support 40 is used to support the edge of the blade body of the blade 30 to be measured for positioning. There is a positioning support head 50 for abutting against a processing datum point on the crown of the blade 30 to be tested for positioning. Two first measuring piec...
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The invention discloses a blade equivalent measuring tool and a blade equivalent measuring method. The tool comprises: a fixed abutment and a sliding abutment. The fixing abutment is provided with a positioning surface which is respectively fitted with the side edge of the blade head to be tested and the side edge of the blade crown, and a positioning support for supporting the edge of the blade to be tested for positioning. The sliding abutment is provided with a positioning leg for locating the machining reference point against the blade crown of the blade to be tested. Two first measuring members are fixedly mounted on the fixed abutment. The two first measuring members are respectively used for locating two design requirements section on the blade to be tested against the sectional outline at the leaf basin. Two second measuring members are fixedly mounted on the sliding support and arranged in one-to-one correspondence with the two first measuring members. The two second measuringmembers are respectively used for locating two design requirements section against the sectional outline at the leaf back. The two first measuring members and the two second measuring members cooperate to measure whether the equivalent of the blade to be tested is acceptable.
Description
technical field [0001] The invention relates to the field of blade measurement, in particular to a blade equivalent measuring tool. In addition, the invention also relates to a blade equivalent measuring method using a blade equivalent measuring tool to measure the blade equivalent. Background technique [0002] The blade equivalent refers to the deviation between the measured value and the theoretical value of the two end faces of the specified part of the blade body of the working blade to be processed, which specifically refers to a twist value between the blade body relative to the blade tenon and the positioning surface installed at the tail, which is In order to ensure that the angle between the blade body and the blade installation positioning surface is within the allowable range of the design. [0003] The equivalent of the blade is an important data to measure the profile of the blade, which has an important impact on the air intake of the blade when it is working...
Claims
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IPC IPC(8): G01B5/00G01M13/00
CPCG01B5/00G01M13/00
Inventor 高翠平何磊谭冬桂梅乐朱谦成
Owner AVIC PST NANFANG GAS TURBINE COMPLETE MFG & INSTALLATION