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Method and device for measuring symmetry degree of spherical axis to excircle axis

A measuring device and technology of symmetry, applied in the direction of angle/taper measurement, etc., to achieve the effect of high operability, ingenious design, and simple and easy-to-learn measurement method

Inactive Publication Date: 2021-03-16
XIAN AERO ENGINE CONTROLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the existing problems in measuring the symmetry of the outer axis of the spherical axis, the present invention provides a method and device for measuring the symmetry of the outer axis of the spherical axis, which are easy to disassemble and assemble, and have high operability; Stable and high sensitivity

Method used

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  • Method and device for measuring symmetry degree of spherical axis to excircle axis
  • Method and device for measuring symmetry degree of spherical axis to excircle axis
  • Method and device for measuring symmetry degree of spherical axis to excircle axis

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Embodiment

[0035] see figure 2 , image 3 The device for measuring the symmetry of the spherical axis to the outer circular axis provided in this embodiment includes a measuring head assembly 4 and a measuring body 5; the bottom of the measuring head assembly 4 passes through the measuring body 5, and is connected to the part to be measured Assemble.

[0036] see Figure 4 and Figure 5 , the measuring head assembly 4 includes a ball lever 405; the ball lever 405 includes a lever and a ball placed at the lower end of the lever; the lever runs through the measuring body 5, and the upper end of the lever is placed above the measuring body 5; the spherical surface of the ball is fixed on the measuring body The spherical surfaces of the parts to be measured on the main body 5 cooperate. The measuring head assembly 4 also includes a head body 402 and a sleeve 403 placed below the head body 402 and connected to the head body 402; the sleeve 403 axially passes through the measurement body ...

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Abstract

The invention belongs to a precision matching part measuring device, and relates to a method and a device for measuring the symmetry degree of a spherical axis to an excircle axis, and the device comprises a measuring head assembly and a measuring main body. The measuring head assembly comprises a ball head lever; the ball head lever comprises a lever and a ball head arranged at the lower end of the lever. The lever penetrates through the measuring body, and the upper end of the lever is arranged above the measuring body; the spherical surface of the ball head is matched with the spherical surface of a to-be-measured part fixed on the measuring main body. The device also comprises a measurement meter alignment member. And the measurement meter alignment member is arranged on the mounting seat and is assembled with the spherical surface of the ball head of the ball head lever. The device is easy to disassemble and assemble and high in operability. The axial symmetry degree of the spherical surface of the part to the outer circle is measured by a comparison measurement method, and the measurement method is simple, short in time, stable in measurement result and high in sensitivity.

Description

technical field [0001] The invention belongs to the field of precision pair measurement, and relates to a symmetry measurement method and device, in particular to a symmetry measurement method and device of a spherical axis to an outer circular axis. Background technique [0002] In the aero-engine control system, it is usually necessary to measure the precision coupling to ensure the precision of the equipment, for example, the pendulum valve assembly, such as figure 1 As shown (Figure (1a) is the front view of the pendulum valve assembly; Figure (1b) is the top view of the pendulum valve assembly), it consists of 16 parts. Due to the function and assembly requirements of the pendulum valve assembly, the pendulum valve assembly After the assembly is installed, it is necessary to 100% check the symmetry of the spherical surface of the pendulum 1 of the pendulum valve assembly to the outer circle Φ axis of the pendulum mounting seat 2 in the axial direction along the supporti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/25
CPCG01B5/25
Inventor 张平杨华杨日同周华勇樊竹娟吉翠洁张童党变丽赵晓哲滕海峰
Owner XIAN AERO ENGINE CONTROLS
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