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Variable measurement space method for jointed coordinate measuring machine based on jaw joint

A coordinate measuring machine and tooth-inlay technology, which is applied in the field of variable measurement space, can solve the problems of inability to use the measurement space reasonably, waste of space, and reduced accuracy, and achieve the effects of reducing waste, improving measurement accuracy, and simple operation.

Active Publication Date: 2022-05-03
HANGZHOU DIANZI UNIV
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  • Abstract
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Problems solved by technology

[0005] The purpose of the present invention is to propose a variable measurement space method for an articulated coordinate measuring machine based on a tooth-embedded joint in view of the fact that the articulated coordinate measuring machine cannot reasonably utilize its measurement space, resulting in waste of space and reduced precision. , according to the geometric characteristics of different tested parts, it can achieve high-precision measurement in a suitable measurement space, and the operation is simple

Method used

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  • Variable measurement space method for jointed coordinate measuring machine based on jaw joint
  • Variable measurement space method for jointed coordinate measuring machine based on jaw joint
  • Variable measurement space method for jointed coordinate measuring machine based on jaw joint

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] The variable measurement space method of the articulated coordinate measuring machine based on the tooth-embedded joint is as follows:

[0030] Step 1. Connect the adjacent articulated arms through the tooth-embedded joints to build an articulated coordinate measuring machine based on the tooth-embedded joints; figure 1 , 2 , 3, 4 and 5, the tooth-embedded joint includes the shaft main shaft 1, the fixed claw plate 5, the movable claw plate assembly, the joint upper bushing 7, the joint lower bushing 14, the circular grating angle encoder 10, and the locking card Buckle 15, locking slot 16 and spring 17; shaft sleeve 8 is supported on the rotating shaft main shaft 1 through bearing 1 2 and bearing 2 12; fixed claw plate 5 is connected with shaft sleeve 8 through flat key 6; one end of fixed claw plate 5 The shaft shoulder integrally formed on t...

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Abstract

The invention discloses a variable measurement space method of an articulated coordinate measuring machine based on a tooth-embedded joint. There will be great redundancy in the measurement space of the existing articulated coordinate measuring machine, but the accuracy will be lost. The present invention connects adjacent articulated arms through tooth-embedded joints to build an articulated coordinate measuring machine based on tooth-embedded joints. The present invention can effectively realize the locking and free rotation of the joints of the articulated coordinate measuring machine by realizing the fit and separation of the movable claw plate and the fixed claw plate; Compared with the different measurement spaces of the joint-type coordinate measuring machine based on the jaw-type joint under the locking scheme of the jaw-type joint at different positions, the appropriate measurement space of the joint-type coordinate measuring machine is selected to reduce the waste of space and improve the measurement accuracy.

Description

technical field [0001] The invention belongs to the technical field of coordinate measurement, and in particular relates to a variable measurement space method of an articulated coordinate measuring machine based on tooth-embedded joints. Background technique [0002] Articulated coordinate measuring machine is a kind of precision measuring equipment. Its serial open chain structure enables the articulated coordinate measuring machine to achieve more measurement space through the rotation of the joints. It has the advantages of large measuring range and good flexibility. However, this series structure also makes the error of each joint be amplified step by step through the length of the rod, resulting in a decrease in measurement accuracy. [0003] The currently existing articulated coordinate measuring machines usually have six degrees of freedom, that is, there are six revolving joints. Each rotary joint contains a circular grating angle encoder to read the angle value, s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/00G01B11/24
CPCG01B11/005G01B11/24
Inventor 王文梁倩倩王乐孙涛韩付明
Owner HANGZHOU DIANZI UNIV
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