Hole shoulder distance measurement structure and hole shoulder distance measurement method
A shoulder distance, measuring surface technology, applied in the direction of measuring devices, mechanical measuring devices, instruments, etc., can solve the problems of large error in the measurement results, inability to be widely used, and the influence of human factors, etc., to achieve simple structure and short measurement time. , the effect of small human factors
Active Publication Date: 2018-05-01
CHINA HANGFA SOUTH IND CO LTD
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Problems solved by technology
[0004] The invention provides a hole shoulder distance measurement structure and a hole shoulder distance measurement method to solve the problems that the existing simple sheet gauges cannot be widely used, the measurement results have large errors, and are greatly affected by human factors. technical problem
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[0030] The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.
[0031] like Figure 1 to Figure 4 As shown, the preferred embodiment of the present invention provides a hole shoulder distance measurement structure, the hole shoulder distance measurement structure is used to measure the hole shoulder distance on a circular shaft 1, and the circular shaft 1 is provided with a shaft shoulder 101, a circle to be measured Hole 102, the hole shoulder distance is the vertical distance L between the circular hole 102 and the end face of the shaft shoulder 101, the hole shoulder distance measurement structure 2 includes: a positioning block 21, the positioning block 21 passes through it and the circular hole 102 The positioning rod 22 Clamped on the circular shaft 1, the positioning block 21 is provided with a measuring s...
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The invention discloses a hole shoulder distance measurement structure, which is used for measuring the hole shoulder distance on a circular shaft. The hole shoulder distance measurement structure includes: a positioning block, which is fastened to the circular shaft by a positioning rod passing through the positioning block and the circular hole. On the positioning block, there is a measuring surface parallel to the end face of the shaft shoulder. The distance between the measuring surface and the round hole along the axis of the circular shaft is D; the positioning block is provided with a sliding amount along the axis of the circular shaft. Rod, the first end of the measuring rod fits the end face of the shaft shoulder, the second end passes through the measuring surface, and the second end is provided with a first datum plane and a second datum plane parallel to the measuring plane, the first datum The distance between the surface and the end face of the first end of the measuring rod is the sum of the minimum value of L within the tolerance range and D, and the distance between the second reference plane and the end face of the first end of the measuring rod is L within the tolerance range The sum of the maximum value in and D. The measuring structure of the hole shoulder axis of the present invention has short measuring time, accurate and intuitive measuring results, and is less affected by human factors.
Description
technical field [0001] The invention relates to the field of aero-engines, in particular, to a hole-shoulder distance measuring structure. In addition, the present invention also relates to a method for measuring the distance between holes and shoulders. Background technique [0002] At present, when measuring the distance L (hereinafter referred to as the hole shoulder distance) from the end face of the shaft shoulder on the shaft part to a hole on the shaft, a measuring instrument, such as a simple sheet gauge, is usually used. [0003] When using a simple sheet gauge to measure the distance L, because the simple sheet gauge is expensive, it cannot be widely used, and is generally only used for the measurement of inspection departments and research institutions; The end is in contact with the end face of the shaft shoulder, and the arc protrusion at the other end is matched with the part hole. By observing whether the arc protrusion is stuck in the center of the part hole...
Claims
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IPC IPC(8): G01B5/02
Inventor 于欢盛波钟如钢常国政周红梅黄志斌肖俊
Owner CHINA HANGFA SOUTH IND CO LTD