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Measuring mechanism for measuring distance from intersection point of circle centers of two orthogonal inner holes to oblique crossing face

A technology of measuring mechanism and inner hole, applied in the direction of measuring device, mechanical measuring device, using mechanical device, etc., can solve the problems of low inspection frequency of assembly line operation, reduced degree of effective control of product quality, and complicated adjustment.

Active Publication Date: 2014-08-20
鹰普(中国)有限公司
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Problems solved by technology

However, in practice, due to the complex adjustment of the three-coordinate measuring instrument, the frequency of detection is low, which will affect the monitoring of process capabilities in large-scale and assembly line operations, making the detection frequency of assembly line operations low, so that the product quality can only be minimized. Large-scale random inspection reduces the effective control of product quality

Method used

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  • Measuring mechanism for measuring distance from intersection point of circle centers of two orthogonal inner holes to oblique crossing face
  • Measuring mechanism for measuring distance from intersection point of circle centers of two orthogonal inner holes to oblique crossing face
  • Measuring mechanism for measuring distance from intersection point of circle centers of two orthogonal inner holes to oblique crossing face

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[0016] Its concrete example is as follows: image 3 The middle 0.96±0.3 is the distance from the intersection point of two orthogonal inner hole circle centers of the measured part to an oblique surface. According to this structure, the middle difference table block 26 is made according to the size difference of the part size, such as Figure 4 shown. Before the test, adjust the dial of the dial indicator to the "0" position through the 26 pairs of meters in the middle difference pair meter, such as figure 1 , figure 2 shown. Through the trigonometric function theorem, calculate the limit meter reading value corresponding to the corresponding limit tolerance, such as Figure 5 As shown, the value range of L that meets the standard is [0.66 / sin74°, 1.26 / sin74°].

[0017] Such as Figure 4 As shown, one of the orthogonal inner holes of the tested part is positioned by the cylindrical outer circle of the front-end conical truncated cone 3, and the other orthogonal inner hol...

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Abstract

The invention provides a measuring mechanism for measuring the distance from an intersection point of circle centers of two orthogonal inner holes to the oblique crossing face. The size of the distance from the intersection point of the circle centers of the two orthogonal inner holes to the oblique crossing face is changed from the oblique crossing direction size into the orthogonal direction size, a dial indicator can be installed conveniently only after the oblique crossing direction size is converted into the orthogonal direction size, and the purpose of measuring the size of the space easily, conveniently and directly can be achieved. The measuring mechanism comprises a part to be measured, wherein the part to be measured is provided with the two inner holes, and one inner hole is provided with the oblique crossing face. The measuring mechanism is characterized by further comprising an oblique crossing face locating structure extending into one inner hole, and a locating shaft penetrating through the other inner hole. The oblique crossing face locating structure extending into one inner hole is of an umbrella-shaped structure in particular. The umbrella-shaped structure is a structure provided with a circular cone at the front end and a cylinder at the rear end in particular. The front closing-up obliquity of the circular cone at the front end is equal to the obliquity of the oblique crossing face of the part to be measured.

Description

technical field [0001] The invention relates to the technical field of part structure dimension measurement, in particular to a measuring mechanism for measuring the distance from the intersection point of two orthogonal inner hole circle centers to an oblique surface. Background technique [0002] For measuring the distance from the intersection point of two orthogonal inner hole circle centers to the oblique plane, it belongs to the space dimension. The existing technology of space dimension detection is to use a tool such as a three-coordinate measuring machine (CMM) for detection. A three-coordinate measuring instrument refers to Within the spatial range of a hexahedron, an instrument capable of measuring geometric shape, length, circumference, and graduation is also called a three-coordinate measuring machine or a three-coordinate measuring bed. The three-axis of the three-coordinate measuring instrument has air brakes The switch and micro-motion device can realize sing...

Claims

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Application Information

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IPC IPC(8): G01B5/02
Inventor 朱国宏邓爱芳王东皓
Owner 鹰普(中国)有限公司
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