CN102967287A - High-precision detection instrument and method for measuring perpendicularity of large mechanical element - Google Patents
High-precision detection instrument and method for measuring perpendicularity of large mechanical element Download PDFInfo
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- CN102967287A CN102967287A CN201210484786XA CN201210484786A CN102967287A CN 102967287 A CN102967287 A CN 102967287A CN 201210484786X A CN201210484786X A CN 201210484786XA CN 201210484786 A CN201210484786 A CN 201210484786A CN 102967287 A CN102967287 A CN 102967287A
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Abstract
The invention discloses a high-precision detection instrument for measuring the perpendicularity of a large mechanical element. The high-precision detection instrument consists of three parts including a displacement sensor device, an information communicating and processing module and an instrument stand; the instrument stand is formed by a base and a support, wherein the support is installed on the base; the displacement sensor device consists of high-precision displacement sensors and the information communicating and processing module; two or a plurality of high-precision displacement sensors are arranged in parallel up and down; and the high-precision displacement sensors are sleeved on the support through sliding seats and are adjustably connected with the support. The method for measuring comprises: step 1, calibrating the perpendicularity of the detection instrument; and step 2, detecting. The instrument has the advantages of simplicity in structure, convenience in operation and use, high automation and digitization degrees, high measurement precision, low instrument manufacturing cost and low measurement cost. The instrument is durable, has a long service life and is low in maintenance cost.
Description
Technical field
The present invention relates to a kind of detector and method, relate in particular to a kind of high precision detector and measuring method of measuring large scale mechanical component verticality.
Background technology
All the time, for some sizes large (＞2000mm), weight large (＞1000Kg), high (it is a difficult problem in the mechanized equipment manufacture process that the verticality on＜0.01mm) the mechanical component detects in accuracy requirement.
There is insoluble practical problems in three kinds of verticality measuring methods such as existing " three coordinate measuring machine method ", CCD mensuration and dial gauge method for the high-acruracy survey of the verticality of large scale mechanical component.Wherein " large-scale three coordinate measuring machine " theoretically, can measure the verticality of large-scale part, but be subjected to the impact of its measuring head joint arm gap and repetitive positioning accuracy, its measuring accuracy is difficult to be less than accuracy requirement more than 0.02 millimeter, and large scale mechanical component self size is large, and weight is large, the mobile hoisting devices such as needing crane of adjusting, the environment for use of three coordinate measuring machine and instrument self space often is restricted; Dial gauge traditional measurement method owned by France, the monitor precision of its use and digitized degree Shortcomings; CCD measures noncontact measuring method owned by France, does not have the above-mentioned deficiency of three coordinate measuring machine and dial gauge method, but CCD mensuration complicated operation, instrument price are high, and it is high to measure cost.Therefore be badly in need of a kind of high precision detector and measuring method of measuring large scale mechanical component verticality.
Summary of the invention
For the weak point in addressing the above problem, the invention provides a kind of high precision detector and method of measuring large scale mechanical component verticality.
The technical solution used in the present invention is: a kind of high precision detector of measuring large scale mechanical component verticality, and it is comprised of displacement sensor device, information communication and processing module and instrument stand three parts;
Instrument stand is configured to propping up by base, and support is installed on the base; Displacement sensor device is comprised of high accuracy displacement sensor, information communication and processing module; High accuracy displacement sensor is two or more and be arranged in parallel up and down; High accuracy displacement sensor is sleeved on by slide and also is connected adjustable connection on the support with support.
Its measuring method is:
The 1st step: the verticality calibration of detector
The marble calibrated bolck is placed on detection with on the marble platform, and the plane of calibration marble calibrated bolck is vertical with the marble platform; Plane contact with high accuracy displacement sensor and marble calibrated bolck, computer display screen can show the contact condition of each high accuracy displacement sensor in real time, when each high accuracy displacement sensor demonstration on the computer screen is all non-vanishing, click " calibration knob " with mouse, detector is null position with the current location memory of all high accuracy displacement sensors automatically, finishes instrument calibration;
The 2nd step: detect
Part is placed on the marble platform, requires to detect the verticality for the treatment of side and bottom surface of part 7; With the contact of the high accuracy displacement sensor of the Verticality gauge calibrated and the plane contact to be measured of part, computer display screen can show the contact condition of each sensor in real time, when each sensor demonstration on the computer screen is all non-vanishing, click " test button " with mouse, information communication and processing module can calculate the numerical value of verticality automatically, and be presented on the computer screen, finish the squareness measurement of workpiece.
The present invention is simple in structure, easy for operation, robotization and digitized degree high, measuring accuracy is high, and the instrument cost is low, it is low to measure cost.Instrument is durable in use, and the life-span is long, and maintenance cost is low.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is one-piece construction synoptic diagram of the present invention.
Fig. 2 is that instrument calibration is demonstrated synoptic diagram when using.
Fig. 3 is that instrument detects the demonstration synoptic diagram when using.
Fig. 4 is the measurement interface view on the display screen.
Among the figure: 1, high accuracy displacement sensor; 2, information communication and processing module; 3, base; 4, support; 5, marble calibrated bolck; 6, marble platform; 7, part; 8, treat the side; 9, slide.
Embodiment
As shown in Figure 1, this measuring instrument mainly is comprised of displacement sensor device, information communication and processing module 2 and instrument stand three parts.
Instrument stand is comprised of base 3 (integrated disc portions) and support 4, and support is installed on the base.Displacement transducer is played fixing and supporting role, and material is the plain metal structural steel.Displacement sensor device is comprised of high accuracy displacement sensor 1, information communication and processing module 2.High accuracy displacement sensor 1 is two or more and be arranged in parallel up and down; High accuracy displacement sensor is sleeved on by slide 9 and also is connected adjustable connection on the support 4 with support.
The Main Function one of displacement sensor device is that receive information communication and the instruction of processing module realizes from adjusting, the 2nd, and displacement is converted to digital signal exports information communication and processing module to by contacting with measured surface.High accuracy displacement sensor is adjustable the connection with instrument stand, can do accommodation according to concrete size and the structure of measuring part.
Information communication and processing module mainly are comprised of the PC with special software.Main Function one is that the steering order with operating personnel is sent to a high precision displacement sensor, the 2nd, accept high precision displacement sensor feedack and process on request (computation and measurement data result, show in real time result, storage information, output print information etc.).The PC of this unit and high precision displacement sensor are divided into wireless transmission and two kinds of patterns of wire transmission are optional.
The measurement using method of detector:
This detector is according to five principles of GB1958-2004 " geometrical and toleranging detect regulation ": with the comparison principle of ideal factor, measure the coordinate figure principle, measure the characteristic parameter principle, measure the principle of beating, controlled entity border principle manufactures and designs, comprehensively " with the comparison principle of ideal factor " and " measuring the characteristic parameter principle " direct method of measurement detects the error of perpendicularity on surface to be measured, and measuring principle meets the GB requirement.
The 1st step: the verticality calibration of detector
As shown in Figure 2, marble calibrated bolck 5 is placed on detection with on the marble platform 6, the plane of calibration marble calibrated bolck is vertical with the marble platform.Plane contact with high accuracy displacement sensor and marble calibrated bolck, computer display screen can show the contact condition of each high accuracy displacement sensor in real time, when each high accuracy displacement sensor demonstration on the computer screen is all non-vanishing, click " calibration knob " with mouse, detector is null position with the current location memory of all high accuracy displacement sensors automatically, finishes instrument calibration.
Principle is by calibration function (null position of automatic Memory sensor), instrument has been set up " a canonical measure plane " take each sensor zero point as reference point, the verticality of being somebody's turn to do " canonical measure plane " depends on the verticality of " calibration plane ", and " calibration plane " is " GB " standard components such as " standard square chest, standard block gauges ".
The 2nd step: detect
As shown in Figure 3, part (this spare part outside measurement 3200 * 1100 * 600) is placed on the marble platform, requires to detect the verticality for the treatment of side 8 and bottom surface of part 7; With the contact of the high accuracy displacement sensor of the Verticality gauge calibrated and the plane contact to be measured of part 7, computer display screen can show the contact condition (Fig. 4) of each sensor in real time, when each sensor demonstration on the computer screen is all non-vanishing, click " test button " with mouse, information communication and processing module can calculate the numerical value of verticality automatically, and be presented on the computer screen, finish the squareness measurement of workpiece.
Have the following advantages:
Measuring principle meets the GB requirement.This detector manufactures and designs according to GB1958-2004's " geometrical and toleranging detects regulation ", meets the GB requirement.
Measuring accuracy is high.Employing compares and measures principle, does not have the resetting error, not affected by instrument self precision etc., adopts the photoelectric measuring microtechnology, and the full accuracy that can reach existing macroscopic measurement reaches ± 0.001mm;
Digitized degree is high.Adopt computer digital communications and data treatment technology, have the functions such as the real-time demonstration of measurement data and data communication and processing (result calculates, stores, prints).
The measurement cost is low.Because measuring instrument of the present invention, to compare apparatus structure simple with large-scale three coordinate measuring machine and CCD measuring system, and manufacturing expense is low;
Testing cost is low.Instrument self size little (mobile convenient) does not need the mobile large-scale workpiece of adjusting, and mobile instrument can be realized in-site measurement, has saved the processes such as lifting adjustment of large-scale workpiece; Easy to use, do not need Special use environment (temperature, humidity, light, noise etc.), the user does not need special special training can use instrument.
Above-mentioned embodiment is not to be limitation of the present invention; the present invention also is not limited in above-mentioned giving an example; variation, remodeling, interpolation or replacement that those skilled in the art make in technical scheme scope of the present invention also all belong to protection scope of the present invention.
Claims (2)
1. high precision detector of measuring large scale mechanical component verticality, it is characterized in that: it is comprised of displacement sensor device, information communication and processing module and instrument stand three parts;
Described instrument stand is configured to propping up by base, and described support is installed on the base; Described displacement sensor device is comprised of high accuracy displacement sensor, information communication and processing module; Described high accuracy displacement sensor is two or more and be arranged in parallel up and down; High accuracy displacement sensor is sleeved on by slide and also is connected adjustable connection on the support with support.
2. the high precision detector of measurement large scale mechanical component verticality according to claim 1, its measuring method is:
The 1st step: the verticality calibration of detector
The marble calibrated bolck is placed on detection with on the marble platform, and the plane of calibration marble calibrated bolck is vertical with the marble platform; Plane contact with high accuracy displacement sensor and marble calibrated bolck, computer display screen can show the contact condition of each high accuracy displacement sensor in real time, when each high accuracy displacement sensor demonstration on the computer screen is all non-vanishing, click " calibration knob " with mouse, detector is null position with the current location memory of all high accuracy displacement sensors automatically, finishes instrument calibration;
The 2nd step: detect
Part is placed on the marble platform, requires to detect the verticality for the treatment of side and bottom surface of part 7; With the contact of the high accuracy displacement sensor of the Verticality gauge calibrated and the plane contact to be measured of part, computer display screen can show the contact condition of each sensor in real time, when each sensor demonstration on the computer screen is all non-vanishing, click " test button " with mouse, information communication and processing module can calculate the numerical value of verticality automatically, and be presented on the computer screen, finish the squareness measurement of workpiece.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364206A (en) * | 2013-06-26 | 2013-10-23 | 北京汽车股份有限公司 | Device for measuring rigidities of belt line plates inside and outside car door |
| CN107462186A (en) * | 2017-09-08 | 2017-12-12 | 昆山冠品优精密机械有限公司 | 4th axle arrangement for measuring verticality and the 4th shaft flange end face squareness detection method |
| CN108577871A (en) * | 2018-05-17 | 2018-09-28 | 上海市同济医院 | A kind of multi-axial sensor combination unit of accurate assessment cervical dystonia |
| CN113124804A (en) * | 2019-12-30 | 2021-07-16 | 中核建中核燃料元件有限公司 | Skeleton contour dimension measuring method |
| CN114413796A (en) * | 2022-02-08 | 2022-04-29 | 大连理工大学 | Multifunctional standard device for precision calibration of precision parts and equipment |
| CN115097591A (en) * | 2022-06-17 | 2022-09-23 | 中国科学院物理研究所 | Hollow retroreflector with replaceable reflector, and preparation and adjustment methods thereof |
| CN115979118A (en) * | 2023-03-17 | 2023-04-18 | 山东科技大学 | Device and method for measuring perpendicularity error and error azimuth angle of cylindrical part |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364206A (en) * | 2013-06-26 | 2013-10-23 | 北京汽车股份有限公司 | Device for measuring rigidities of belt line plates inside and outside car door |
| CN103364206B (en) * | 2013-06-26 | 2016-01-20 | 北京汽车研究总院有限公司 | Frame board device for testing stiffness inside and outside a kind of car door |
| CN107462186A (en) * | 2017-09-08 | 2017-12-12 | 昆山冠品优精密机械有限公司 | 4th axle arrangement for measuring verticality and the 4th shaft flange end face squareness detection method |
| CN108577871A (en) * | 2018-05-17 | 2018-09-28 | 上海市同济医院 | A kind of multi-axial sensor combination unit of accurate assessment cervical dystonia |
| CN113124804A (en) * | 2019-12-30 | 2021-07-16 | 中核建中核燃料元件有限公司 | Skeleton contour dimension measuring method |
| CN113124804B (en) * | 2019-12-30 | 2023-02-24 | 中核建中核燃料元件有限公司 | Skeleton contour dimension measuring method |
| CN114413796A (en) * | 2022-02-08 | 2022-04-29 | 大连理工大学 | Multifunctional standard device for precision calibration of precision parts and equipment |
| CN114413796B (en) * | 2022-02-08 | 2022-11-29 | 大连理工大学 | Multifunctional standard device for precision calibration of precision parts and equipment |
| CN115097591A (en) * | 2022-06-17 | 2022-09-23 | 中国科学院物理研究所 | Hollow retroreflector with replaceable reflector, and preparation and adjustment methods thereof |
| CN115979118A (en) * | 2023-03-17 | 2023-04-18 | 山东科技大学 | Device and method for measuring perpendicularity error and error azimuth angle of cylindrical part |
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