CN106247892A - A kind of deep cylinder chamfer contact declines away from measurement apparatus - Google Patents

A kind of deep cylinder chamfer contact declines away from measurement apparatus Download PDF

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Publication number
CN106247892A
CN106247892A CN201610623964.0A CN201610623964A CN106247892A CN 106247892 A CN106247892 A CN 106247892A CN 201610623964 A CN201610623964 A CN 201610623964A CN 106247892 A CN106247892 A CN 106247892A
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CN
China
Prior art keywords
cylinder
measurement
mounting bracket
length
deep
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Application number
CN201610623964.0A
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Chinese (zh)
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CN106247892B (en
Inventor
刘�东
秦伟
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SHAANXI SCIENCE AND ENGINEERING COLLEGE
Shaanxi University of Technology
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SHAANXI SCIENCE AND ENGINEERING COLLEGE
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/02Measuring arrangements characterised by the use of mechanical means for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/08Measuring arrangements characterised by the use of mechanical means for measuring diameters

Abstract

The present invention relates to a kind of deep cylinder chamfer contact and decline away from measurement apparatus, including mounting bracket with for the gauge head of range measurement, Mobile Slide it is provided with in mounting bracket, mounting bracket is inserted in cylinder along the length direction of cylinder to be measured, the arrival end of cylinder arranges laser target device, Mobile Slide coordinates along the cylinder deep direction composition slide-and-guide of cylinder with mounting bracket, the length direction of Mobile Slide and the perpendicular layout of the length direction of mounting bracket, gauge head is arranged in mounting seat, mounting seat coordinates along the length direction composition slide-and-guide of Mobile Slide with Mobile Slide, first adjusting part regulation mounting seat moves along the length direction of Mobile Slide;Second adjusting part regulation gauge head moves along the length direction of mounting bracket.The deep cylinder chamfer contact provided in technique scheme declines away from measurement apparatus, its can realize the internal chamfer radius of the pillar to large-diameter deep cartridge type and highly carry out reliable, quickly measure, the reliability of raising undercarriage leg product quality.

Description

A kind of deep cylinder chamfer contact declines away from measurement apparatus
Technical field
The present invention relates to measure detection field, be specifically related to a kind of deep cylinder chamfer contact and decline away from measurement apparatus.
Background technology
In undercarriage leg mechanical processing process, need to carry out the internal chamfer radius of pillar and the measurement of height, these Parameters relationship, to the reliability of product quality, is measured owing to needs carry out machine on machining tool again, is added inside workpiece in man-hour and deposit At iron filings or greasy dirt, use non-contact measurement substantially can not meet actual measurement condition, it is therefore desirable to a kind of contact of design Measurement apparatus to pillar inside chamfer radius and highly measures.
Summary of the invention
It is an object of the invention to provide a kind of deep cylinder chamfer contact and decline away from measurement apparatus, it can be to pillar inside chamfering Radius and highly carry out reliable measurements.
For achieving the above object, present invention employs techniques below scheme:
A kind of deep cylinder chamfer contact declines away from measurement apparatus, it is characterised in that: include strip mounting bracket and for The gauge head of range measurement, mounting bracket is provided with Mobile Slide, and mounting bracket inserts cylinder along the length direction of cylinder to be measured Internal, the arrival end of cylinder arranges laser target device, and Mobile Slide slides along the cylinder deep direction composition of cylinder with mounting bracket Guide and coordinate, the length direction of Mobile Slide and the perpendicular layout of the length direction of mounting bracket, gauge head is arranged in mounting seat, Mounting seat coordinates along the length direction composition slide-and-guide of Mobile Slide with Mobile Slide, the first adjusting part regulation mounting seat edge The length direction of Mobile Slide moves;Second adjusting part regulation gauge head moves along the length direction of mounting bracket.
Further scheme is:
The photographic head that state to gauge head is monitored is set on Mobile Slide.
Gauge head includes mounting head and the chaining pin of column, and mounting seat is provided with the pipe guideway of circular tube shaped, and mounting head plugs Constituting slide-and-guide in pipe guideway and connect cooperation, mounting head extends to the end for installing chaining pin outside pipe guideway Being arranged to bore column, chaining pin and mounting head arranged concentric, the second adjusting part includes screw mandrel, micro-step motor and stepping electricity Machine, one end of screw mandrel is connected with Mobile Slide, and the other end of screw mandrel arranges motor, and the middle part of screw mandrel arranges miniature stepping Motor.
The inner end of chaining pin connects trigger sensor.
Chaining pin is made up of tungsten carbide bar.
The deep cylinder chamfer contact provided in technique scheme declines away from measurement apparatus, and it can realize large-diameter deep cartridge type The internal chamfer radius of pillar and highly carry out reliable, quickly measure, the reliability of raising undercarriage leg product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of base;
Fig. 3 is the present invention to inner barrel chamfer radius and the assembling schematic diagram that highly measures;
Fig. 4 is measuring principle schematic diagram.
Detailed description of the invention
In order to make objects and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is carried out specifically Bright.Should be appreciated that following word only in order to describe one or more specific embodiments of the present invention, not to the present invention The protection domain of concrete request carries out considered critical.
As shown in Figure 1, 2, 3, a kind of deep cylinder chamfer contact declines away from measurement apparatus the technical scheme that the present invention takes, including The mounting bracket 10 of strip and the gauge head 20 for range measurement, mounting bracket is provided with Mobile Slide 30, mounting bracket 10 along the length direction insertion cylinder 90 of cylinder 90 to be measured, and the arrival end of cylinder 90 arranges laser target device 80, mobile Slide unit 30 coordinates along the cylinder deep direction composition slide-and-guide of cylinder 90 with mounting bracket 10, the length direction of Mobile Slide 30 and peace The perpendicular layout of length direction of dress support 10, gauge head 20 is arranged in mounting seat 41, and mounting seat 41 and Mobile Slide 30 are along shifting The length direction of dynamic slide unit 30 constitutes slide-and-guide and coordinates, and the first adjusting part regulation mounting seat 41 is along the length of Mobile Slide 30 Direction moves;Second adjusting part regulation gauge head 20 moves along the length direction of mounting bracket 10.
Further scheme is: the photographic head 30 that the state to gauge head 20 that arranges on Mobile Slide 30 is monitored.Gauge head 20 mounting head 22 including column and chaining pins 21, mounting seat 22 is provided with the pipe guideway 42 of circular tube shaped, and mounting head 22 plugs In pipe guideway 42 constitute slide-and-guide connect coordinate, mounting head 22 extend to outside pipe guideway 42 for installing chaining pin The end of 21 is arranged to bore column, and chaining pin 21 and mounting head 22 arranged concentric, the second adjusting part includes screw mandrel 51, miniature stepping Motor 53 and motor 52, one end of screw mandrel 51 is connected with Mobile Slide 30, and the other end of screw mandrel 51 arranges stepping electricity Machine 52, the middle part of screw mandrel 51 arranges micro-step motor 53.The inner end of chaining pin 21 connects trigger sensor 23;Chaining pin 21 is by carbon Change tungsten bar to constitute;Grating yardstick it is provided with on Mobile Slide 30;The bottom of mounting bracket 10 arranges roller.First adjusting part can Think the feed screw nut governor motion 71 consistent with the second adjusting part.
Pillar inside chamfer radius and the step highly measured are by employing said apparatus:
The first step: use machinery accurately to measure the centre point of aperture of workpiece, and pacify in the vertical line crossing the center of circle Dress laser target device (laser instrument), laser beam irradiation provides in entering deep cylinder and measures target.
Second step: place in measurement apparatus enters deep cylinder the position needing to measure, and regulate level.
3rd step: the image that industrial computer is passed back by photographic head (data sampling sensor 40), control and regulation gauge head makes it It is parked in the target placement emitted by laser.
4th: regulation gauge head 20 slowly rises close to measuring position, when contact trigger sensor 23 works, and stops Motor action, the current longitudinal slide unit distance of record and chaining pin 21 lifting height.
5th step: gauge head 20 returns to initial measurement locations, longitudinal slide unit advance setpoint distance is (electric shown in motor 52 in Fig. 2 Machine controls), measurement process is not fully complete and forwards the 4th step continuation operation to.Measurement process is not fully complete and refers to: i.e. chamfering scanning does not terminates, The image having video heads to pass back can determine whether, it is possible to judges from the data recorded, when repetitive measurement value does not changes, i.e. measures knot Bundle.
6th step: carry out the data that whole measurement process records drawing X-Y scheme, can be light according to curve fitting algorithm The radius drawing surveyed chamfering of pine.
7th: if the process of measurement exists error, after adjustment equipment, proceed to the 4th step, continue operation.In order to improve detection Reliability, it is proposed that duplicate detection three times.
Experiment porch material uses 36Ni Fe alloy, it is adaptable to avoid because thermal expansion causes size, shape thinningization In high precision, highly sophisticated device machine.
The principle of above-mentioned range finding is:
Contact microspur measuring principle: (can be described as scanning method)
Longitudinal slide unit promotes gauge head to move to Z-direction microspur, and gauge head micro-step motor promotes chaining pin to move to Y-direction, when with During barrel contact, trigger sensor output high level, industrial computer detects that high level stops micro-step motor motion, and reads Motion control card is issued the umber of pulse of micro-step motor and is calculated micro-step motor displacement l step (because of low speed microspur Mobile, be difficult to occur losing the situation of pulse, because space is the least, grating scale can not be installed), industrial computer controls micromachine and controls to survey Head returns to initial position, and controls longitudinal slide unit Z-direction motion, and the grating scale data calculating displacement reading Z-direction slide unit reaches Setpoint distance stops.
l0=lGauge head+lStep, wherein l gauge head is motor length of gauge head when initial position, for constant;L step contacts for gauge head To the motor displacement of barrel, its value is amount that is different according to the position measured and that change.
Continuing to control the motion of gauge head Y-direction, operating procedure ibid records l1 ... ln, can through curve matching by data measured Try to achieve chamfer radius and (by l1 ... ln and Z-direction displacement are converted to two-dimensional coordinate, former half can be tried to achieve by any two points coordinate Footpath, multiple points are mutually combined and calculate multiple radius value respectively, these radius datas are rejected maximum and minima is averaged, For measuring chamfer radius), as shown in Figure 4;
Ln-l0 is chamfer height.Ask the ln in chamfer height for surveying district's unconverted last survey of many sub-values continuously Value, l0 is the first measurement unconverted primary value of many sub-values.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For Yuan, after knowing content described in the present invention, under the premise without departing from the principles of the invention, it is also possible to it is made some Equal conversion and replacement, these convert on an equal basis and substitute and also should be regarded as belonging to protection scope of the present invention.

Claims (7)

1. a deep cylinder chamfer contact declines away from measurement apparatus, it is characterised in that: include strip mounting bracket and for away from From the gauge head measured, mounting bracket being provided with Mobile Slide, mounting bracket inserts cylinder along the length direction of cylinder to be measured In, the arrival end of cylinder arranges laser target device, and Mobile Slide is led along the cylinder deep direction composition slip of cylinder with mounting bracket To cooperation, the length direction of Mobile Slide and the perpendicular layout of the length direction of mounting bracket, gauge head is arranged in mounting seat, peace Dress seat coordinates along the length direction composition slide-and-guide of Mobile Slide with Mobile Slide, and the first adjusting part regulation mounting seat is along moving The length direction of dynamic slide unit moves;Second adjusting part regulation gauge head moves along the length direction of mounting bracket.
Deep cylinder chamfer contact the most according to claim 1 declines away from measurement apparatus, it is characterised in that: arrange on Mobile Slide The photographic head that the state of gauge head is monitored.
Deep cylinder chamfer contact the most according to claim 1 declines away from measurement apparatus, it is characterised in that: gauge head includes column Mounting head and chaining pin, mounting seat is provided with the pipe guideway of circular tube shaped, and mounting head constitutes slip in being plugged in pipe guideway and leads To connect coordinate, mounting head extend to outside pipe guideway for install the end of chaining pin be arranged to bore column, chaining pin and peace Dress head arranged concentric, the second adjusting part includes screw mandrel, micro-step motor and motor, and one end of screw mandrel is sliding with mobile Platform is connected, and the other end of screw mandrel arranges motor, and the middle part of screw mandrel arranges micro-step motor.
Deep cylinder chamfer contact the most according to claim 3 declines away from measurement apparatus, it is characterised in that: the inner end of chaining pin connects There is trigger sensor.
Deep cylinder chamfer contact the most according to claim 3 declines away from measurement apparatus, it is characterised in that: chaining pin is by tungsten carbide bar Constitute.
Deep cylinder chamfer contact the most according to claim 3 declines away from measurement apparatus, it is characterised in that: arrange on Mobile Slide There is grating yardstick.
Deep cylinder chamfer contact the most according to claim 3 declines away from measurement apparatus, it is characterised in that: the bottom of mounting bracket Roller is set.
CN201610623964.0A 2016-08-02 2016-08-02 It is a kind of depth cylinder chamfer contact decline away from measuring device Active CN106247892B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109724732A (en) * 2018-12-12 2019-05-07 西安近代化学研究所 A kind of explosion wave pressure effect target of depth automatic measurement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2273256A1 (en) * 1974-05-30 1975-12-26 Illinois Tool Works
CN101109621A (en) * 2007-08-01 2008-01-23 北京理工大学 Optical measuring method for hole cubage
CN101852582A (en) * 2010-05-28 2010-10-06 河北理工大学 Measuring device and measuring method for geometric parameters of inner wall of elbow
CN103234513A (en) * 2013-04-18 2013-08-07 武汉理工大学 Heading automatic-guiding system and guiding method based on camera lens and attitude and heading reference system
CN105403142A (en) * 2015-11-25 2016-03-16 华中科技大学 Magnetic-railing-ruler-based portable flatness measurement instrument

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2273256A1 (en) * 1974-05-30 1975-12-26 Illinois Tool Works
CN101109621A (en) * 2007-08-01 2008-01-23 北京理工大学 Optical measuring method for hole cubage
CN101852582A (en) * 2010-05-28 2010-10-06 河北理工大学 Measuring device and measuring method for geometric parameters of inner wall of elbow
CN103234513A (en) * 2013-04-18 2013-08-07 武汉理工大学 Heading automatic-guiding system and guiding method based on camera lens and attitude and heading reference system
CN105403142A (en) * 2015-11-25 2016-03-16 华中科技大学 Magnetic-railing-ruler-based portable flatness measurement instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109724732A (en) * 2018-12-12 2019-05-07 西安近代化学研究所 A kind of explosion wave pressure effect target of depth automatic measurement

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