Positioning tooling, positioning test device and its circumferential backlash method
A technology for positioning tooling and circumferential sides, applied in measuring devices, mechanical measuring devices, and mechanical devices, etc., can solve the problems of difficult bevel gear circumference backlash adjustment, etc., to ensure accuracy, simple and convenient adjustment, ensure accuracy and operability effect
Active Publication Date: 2022-06-07
CHINA HANGFA SOUTH IND CO LTD
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Problems solved by technology
[0003] The invention provides a positioning tool, a positioning test device and its circumferential backlash method to solve the technical problem that it is difficult to adjust the bevel gear circumferential backlash when the engine is working
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[0035] It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
[0036] figure 1 is a schematic diagram of the positioning tooling of the preferred embodiment of the present invention; figure 2 is the schematic diagram of the central drive bevel gear of the preferred embodiment of the present invention; image 3 is the top view of the support frame of the preferred embodiment of the present invention; Figure 4 is the schematic diagram of the positioning boss of the preferred embodiment of the present invention; Figure 5 is the top view of the positioning boss of the preferred embodiment of the present invention; Image 6 is the schematic diagram of the fixing frame of the preferred embodiment of the present invention; Figure...
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The invention discloses a positioning tool, a positioning test device and a circumferential side clearance method thereof, comprising: a position for supporting on a diffuser casing and connecting and cooperating with a compressor rotor to simulate the centering state of the compressor rotor during operation The pressing piece is used to be arranged coaxially with the positioning piece and pressed against the positioning piece. By applying an axial force to the pressing piece and pushing the positioning piece and the compressor rotor to move axially in the direction of the intake casing, until Eliminate axial play in front support bearings in compressor rotors. The positioning tool of the present invention is designed to support the rear end of the diffuser casing and connect and cooperate with the compressor rotor, thereby simulating the gas turbine rotor in the axial direction and combining with the compressor rotor to form a gas generator rotor. The tooling applies axial force, presses the compressor rotor and pushes it forward until the axial clearance of the front support bearing in the compressor rotor is eliminated, so that the middle driving bevel gear and the middle driven bevel gear mesh normally, ensuring the accuracy of the circumferential backlash measurement accuracy.
Description
technical field [0001] The invention relates to the field of gas turbine shaft engine assembly, in particular to a positioning tool. In addition, the present invention also relates to a positioning test device including the above positioning tool and a circumferential side clearance method thereof. Background technique [0002] like figure 2 As shown in the figure, the central drive bevel gear of a certain type of gas turbine shaft engine is an important transmission structure of the engine. It consists of a middle driving bevel gear and a middle driven bevel gear. It is installed at the front end of the compressor rotor and drives the gas turbine to the compressor rotor. The energy is transmitted to the internal gear of the accessory casing to drive the accessory device to work. In order to ensure that the two gears mesh normally and form a lubricating oil film when the gear is working, and prevent the tooth top from being overloaded and broken due to the small meshing ar...
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IPC IPC(8): G01B5/14G01M15/02G01M15/14
CPCG01B5/14G01B5/003G01B5/0002G01M15/02G01M15/14
Inventor 李梦娇王龙张静石博文袁野赵勇黄强李梦琦熊炳文
Owner CHINA HANGFA SOUTH IND CO LTD