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Composite type precision measurement method for large components

A precision measurement and composite technology, applied in the direction of measuring devices, measuring/indicating equipment, metal processing machinery parts, etc., can solve problems such as inability to meet measurement requirements, achieve good application, improve measurement accuracy, and have a wide range of application prospects.

Active Publication Date: 2014-04-23
SHANGHAI INST OF SATELLITE EQUIP
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  • Abstract
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Problems solved by technology

[0015] The technical problem to be solved by the present invention is a contact measuring device, represented by three coordinates, and a non-contact measuring device, represented by a theodolite, which work independently and cannot meet the measurement requirements

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  • Composite type precision measurement method for large components
  • Composite type precision measurement method for large components
  • Composite type precision measurement method for large components

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Embodiment Construction

[0068] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0069] As shown in the figure, the present invention mainly includes a theodolite measuring device, an online detection and trimming device, a reference ball, a data transmitter, a data processing device, and the like. Among them, the theodolite measuring device is composed of TM5100A electronic theodolite, reference ruler, power controller and mark target, etc., by collecting the target point information pasted on the part to be measured to solve the three-dimensional point coordinates, the measur...

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Abstract

The invention provides a composite type precision measurement method for large components. The method comprises the steps that a transit measuring system is set up; an online detection and repairing device measuring system is set up, the transit measuring system and the online detection and repairing device measuring system are used for measuring a common reference ball for obtaining measurement data; according to the measurement data, a transit measuring coordinate system of the transit measuring system and a machine tool measuring coordinate system of the online detection and repairing device measuring system are converted to one coordinate system. The method is conducted through the online detection and repairing device measuring system and the transit measuring system, through the combined measurement technology, the measurement requirement of the satellite products at the assembling stage is met, and the requirements for the measurement precision and measurement performance are well met. The non-contact type measurement technology and the contact type measurement technology are combined and achieved as a whole under the composite measurement system, and the method has wide application prospects in the spaceflight field.

Description

technical field [0001] The invention relates to the technical field of industrial measurement, in particular to a composite precision measurement method for large-scale components. Background technique [0002] There are two main measurement methods used in the space coordinate measurement of large-scale workpieces of spacecraft: contact and non-contact. Contact measurement equipment is represented by online detection and trimming equipment or three coordinates; non-contact measurement is represented by optical electronic theodolite. However, when these two measurement devices work independently, there are some unavoidable shortcomings due to the limitations of the inherent functions of the device itself: [0003] (1) Contact measurement method [0004] Represented by online detection and trimming equipment or three-coordinates, the advantages lie in large measurement range, strong versatility, and real-time generation of NC machining programs for workpiece correction base...

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Application Information

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IPC IPC(8): B23Q17/20B23Q17/00G01B21/00
CPCB23Q17/20G01B21/04
Inventor 倪俊陈小弟汤红涛陈伟男
Owner SHANGHAI INST OF SATELLITE EQUIP
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