CN108534658A - A kind of vehicle hub synthesis amount instrument - Google Patents

A kind of vehicle hub synthesis amount instrument Download PDF

Info

Publication number
CN108534658A
CN108534658A CN201810696010.1A CN201810696010A CN108534658A CN 108534658 A CN108534658 A CN 108534658A CN 201810696010 A CN201810696010 A CN 201810696010A CN 108534658 A CN108534658 A CN 108534658A
Authority
CN
China
Prior art keywords
wheel hub
displacement sensor
inductance displacement
inductance
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810696010.1A
Other languages
Chinese (zh)
Other versions
CN108534658B (en
Inventor
宋政灿
张美山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SANMENXIA ZHONGYUAN MEASURING INSTRUMENT CO Ltd
Original Assignee
SANMENXIA ZHONGYUAN MEASURING INSTRUMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SANMENXIA ZHONGYUAN MEASURING INSTRUMENT CO Ltd filed Critical SANMENXIA ZHONGYUAN MEASURING INSTRUMENT CO Ltd
Priority to CN201810696010.1A priority Critical patent/CN108534658B/en
Publication of CN108534658A publication Critical patent/CN108534658A/en
Application granted granted Critical
Publication of CN108534658B publication Critical patent/CN108534658B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/13Internal diameters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/28Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/28Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • G01B7/282Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures for measuring roundness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/34Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention discloses a kind of vehicle hub synthesis amount instrument, belong to vehicle hub gauge check technical field, wheel hub on vehicle when installing using the end face of close vehicle as bottom surface, using towards the end face of outside vehicle as top surface, including rack, bottom is equipped with Electric Appliance Cabinet in rack, pedestal is installed at the top of Electric Appliance Cabinet, precise rotating platform is rotatably connected on pedestal, wheel hub positioning table is installed on precise rotating platform, positioning pin is equipped on wheel hub positioning table, it is furnished with wheel hub standard component on wheel hub positioning table, it is equipped with elevating mechanism in rack inner top, testing agency is installed on elevating mechanism;Verified by actually using, the synthesis amount instrument, operator can independent operation, simple, convenient, dependable performance can complete the detection of a wheel hub in 25s, meet the requirement of manufacture detection beat.

Description

A kind of vehicle hub synthesis amount instrument
Technical field
The invention belongs to vehicle hub gauge check technical field, more particularly to a kind of vehicle hub synthesis amount instrument.
Background technology
Chinese Automobile Industry ' after decades of development, has become the important industry of national economy, auto parts and components row Upstream industry of the industry as vehicle complete vehicle industry, is the basis of automobile industry development.The driving safety degree of one automobile, brake system It unites most important, and vehicle hub is the important part in brake system, performance of its quality concerning entire brake system.So And there is presently no the comprehensive amount instrument that comprehensive metering detection is carried out for vehicle hub.
Invention content
Present invention aims at propose a kind of vehicle hub synthesis amount instrument, the technical solution taken in order to achieve the above objectives It is:
A kind of vehicle hub synthesis amount instrument, wheel hub when being installed on vehicle using close to the end face of vehicle as bottom surface, with towards vehicle External end face is top surface, including rack, and bottom is equipped with Electric Appliance Cabinet in rack, pedestal is equipped at the top of Electric Appliance Cabinet, the bottom of at It is rotatably connected to precise rotating platform on seat, wheel hub positioning table is installed on precise rotating platform, positioning pin is equipped on wheel hub positioning table, It is furnished with wheel hub standard component on wheel hub positioning table, is equipped with elevating mechanism in rack inner top, detection is installed on elevating mechanism Mechanism;
The testing agency includes connecting seat, is equipped on connecting seat along the hollow guide sleeve being arranged straight down, described hollow Guide sleeve is equipped with the first electricity for detecting wheel hub centre bore internal diameter for being pre-positioned to hub centre hole in hollow guide sleeve Feel displacement sensor, perforation corresponding with hub centre hole site is equipped on hollow guide sleeve, first inductance displacement passes The sensing head of sensor stretches out perforation, is equipped on connecting seat and is used to detect wheel hub top surface plane degree along what is be straight down arranged Second inductance displacement sensor is equipped with the inductance displacement sensing for detection wheel hub wall circularity, cylindricity on connecting seat Device group, the inductance displacement sensor group include multiple third inductance displacement sensors, the multiple third inductance displacement sensing Device is corresponding with position at wheel hub wall different cross section successively from top to bottom, is equipped on pedestal flat for detecting wheel hub bottom surface 4th inductance displacement sensor of face degree.
Preferably, the negative pressure sucker for adsorbing wheel hub bottom surface is equipped on wheel hub positioning table.
Preferably, the inductance displacement sensor group is two groups, respectively left inductance displacement sensor group and right inductance position Displacement sensor group, and left inductance displacement sensor group and left inductance displacement sensor group be about the symmetrical setting of hollow guide sleeve, often Group inductance displacement sensor group includes three third inductance displacement sensors, three third inductance displacement sensors from upper and Under it is corresponding with position at wheel hub wall upper, middle and lower three sections successively.
Preferably, second inductance displacement sensor is two, and two the second inductance displacement sensors are located at wheel The inner ring and outer ring of bolt mounting holes on hub.
Preferably, first inductance displacement sensor, third inductance displacement sensor, the 4th inductance displacement sensor are equal For spring lever formula inductance displacement sensor, the second inductance displacement sensor is Telescopic shaft type inductance displacement sensor.
The advantageous effect of present invention is that:(1)It is realized to wheel hub by positioning pin, negative pressure sucker and hollow guide sleeve Triple positioning actions, ensure that pre-determined bit and measurement process accurate positioning be not in dislocation the phenomenon that and influence to examine Survey precision;
(2)Wherein precise rotating platform, the rotating accuracy of wheel hub positioning table are higher, and installation error is suitable to ensure to measure at 0.03 millimeter Profit carries out, and whole measurement reproducibility has reached 0.001 millimeter;
(3)Testing agency can be detected and retract automatically, realize automatic detection, substantially increase detection efficiency;
(4)Verified by actually using, the synthesis amount instrument, operator can independent operation, simple, convenient, property Can be reliable, the detection of a wheel hub can be completed in 25s, meet the requirement of manufacture detection beat.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the sectional view of the present invention;
Fig. 3 is the schematic enlarged-scale view of the parts K in Fig. 2.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of vehicle hub synthesis amount instrument, wheel hub 3 on vehicle when installing with close to the end of vehicle Face be bottom surface, using towards the end face of outside vehicle as top surface comprising rack(It is not shown in figure), bottom is equipped with electricity in rack Device cabinet, 8 are equipped with pedestal 6 at the top of Electric Appliance Cabinet, and precise rotating platform 4 is rotatably connected on pedestal 6, are equipped with and watch in Electric Appliance Cabinet Motor 7 is taken, servo motor 7 drives precise rotating platform 4 to rotate, wheel hub positioning table 5 is equipped on precise rotating platform 4 by synchronous belt, Positioning pin is equipped on wheel hub positioning table 5, the position of the positioning pin is corresponding with the position of bolt mounting holes 17 on wheel hub 3, It is furnished with wheel hub standard component on wheel hub positioning table 5, is equipped with elevating mechanism 1 in rack inner top, inspection is installed on elevating mechanism 1 Survey mechanism 2;
The testing agency 2 includes connecting seat 9, is equipped on connecting seat 9 along the hollow guide sleeve 10 being arranged straight down, described Hollow guide sleeve 10 is equipped in hollow guide sleeve 10 for detecting in 3 centre bore of wheel hub for being pre-positioned to 3 centre bore of wheel hub First inductance displacement sensor 11 of diameter is equipped with perforation corresponding with 3 central hole location of wheel hub on hollow guide sleeve 10, described The sensing head 12 of first inductance displacement sensor 11 stretches out perforation, is equipped on connecting seat 9 and is used for along what is be arranged straight down The second inductance displacement sensor 13 for detecting 3 top surface plane degree of wheel hub, is equipped on connecting seat 9 for detecting 3 inner wall of wheel hub Circularity, the inductance displacement sensor group of cylindricity, the inductance displacement sensor group include multiple third inductance displacement sensors 15, the multiple third inductance displacement sensor 15 is corresponding with position at 3 inner wall different cross section of wheel hub successively from top to bottom, The 4th inductance displacement sensor 14 for detecting 3 soffit plane degree of wheel hub is installed on pedestal 6.
In order to further ensure 3 precise positioning of wheel hub and in detection process be not in dislocation and influence to measure essence Degree is equipped with the negative pressure sucker 16 for adsorbing 3 bottom surface of wheel hub, negative pressure sucker 16 and bolt mounting holes 17 on wheel hub positioning table 5 It is staggeredly located out, negative pressure sucker 16 is connected with negative pressure source.
In order to improve the science and practicability of circularity and cylindricity measurement data, the inductance displacement sensor group is two Group, respectively left inductance displacement sensor group and right inductance displacement sensor group, and left inductance displacement sensor group and left inductance For displacement sensor group about the symmetrical setting of hollow guide sleeve, every group of inductance displacement sensor group includes that three third inductance displacements pass Sensor 15, three third inductance displacement sensors 15 from top to bottom successively at 3 inner wall upper, middle and lower of wheel hub, three sections position It sets corresponding.
Second inductance displacement sensor 13 is two, and two the second inductance displacement sensors 13 are located at wheel hub 3 The inner ring and outer ring of upper bolt mounting holes 17.
First inductance displacement sensor 11, third inductance displacement sensor 15, the 4th inductance displacement sensor 14 are For spring lever formula inductance displacement sensor, the second inductance displacement sensor 13 is Telescopic shaft type inductance displacement sensor.
The present invention at work, carries out zero adjustment to each inductance displacement sensor first, i.e., puts wheel hub standard component Enter on wheel hub positioning table 5, elevating mechanism 1 drives testing agency 2 to be moved downwardly to test position, then passes each inductance displacement Sensor is zeroed.
Wheel hub standard component is removed, wheel hub to be measured is put on wheel hub positioning table 5, by the bolt mounting holes and wheel on wheel hub 3 Positioning pins position on hub positioning table 5, which aligns, to be pre-positioned, and elevating mechanism 1 drives testing agency 2 to move downward, and is examined when reaching Location postpones, and servo motor drives precise rotating platform 4 and wheel hub 3 to rotate a circle together, and wheel hub 3 is tightly adsorbed on by negative pressure sucker 16 On wheel hub positioning table 5, each inductance displacement sensor is detected and transfers data to data processing system, is measured Afterwards, each electric displacement sensor is retracted, and testing agency 2 resets, and finally shows the measurement result of each detection limit on a display screen Value.
Testing agency 2 causes to damage to wheel hub 3 during the decline in order to prevent, can also install and buffer in pedestal 6 Device, for example, it is symmetrical equipped with the registration arm extended downwardly close to switch, while on connecting seat 9, it is examined when elevating mechanism 1 drives When surveying when mechanism 2 moves downward close to buffer, speed is slowed down, then registration arm is leaned on extremely when pedestal 6, each inductance position Displacement sensor is exactly in test position.
Wherein, the data of the first inductance displacement sensor 11 acquisition are used for calculating 3 centre bore internal diameter of wheel hub;Second inductance position The data that displacement sensor 13 acquires are used for calculating the flatness of 3 top surface of wheel hub;The data that third inductance displacement sensor 15 acquires For calculating the circularity and cylindricity of 3 inner wall of wheel hub;The data of 4th inductance displacement sensor 14 acquisition are used for calculating 3 bottom of wheel hub The flatness in face;It can be used in conjunction with the data Kazakhstan that the second inductance displacement sensor 13 and the 4th inductance displacement sensor 14 acquire Calculate the thickness and the depth of parallelism between 3 top and bottom of wheel hub.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that:It still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features, But these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (5)

1. a kind of vehicle hub synthesis amount instrument, wheel hub when being installed on vehicle using close to the end face of vehicle as bottom surface, with towards vehicle The end face of outside is top surface, which is characterized in that including rack, bottom is equipped with Electric Appliance Cabinet in rack, pacifies at the top of Electric Appliance Cabinet Equipped with pedestal, it is rotatably connected to precise rotating platform on pedestal, wheel hub positioning table is installed on precise rotating platform, in wheel hub positioning table It is equipped with positioning pin, is furnished with wheel hub standard component on wheel hub positioning table, elevating mechanism is equipped in rack inner top, in elevating mechanism On testing agency is installed;
The testing agency includes connecting seat, is equipped on connecting seat along the hollow guide sleeve being arranged straight down, described hollow Guide sleeve is equipped with the first electricity for detecting wheel hub centre bore internal diameter for being pre-positioned to hub centre hole in hollow guide sleeve Feel displacement sensor, perforation corresponding with hub centre hole site is equipped on hollow guide sleeve, first inductance displacement passes The sensing head of sensor stretches out perforation, is equipped on connecting seat and is used to detect wheel hub top surface plane degree along what is be straight down arranged Second inductance displacement sensor is equipped with the inductance displacement sensing for detection wheel hub wall circularity, cylindricity on connecting seat Device group, the inductance displacement sensor group include multiple third inductance displacement sensors, the multiple third inductance displacement sensing Device is corresponding with position at wheel hub wall different cross section successively from top to bottom, is equipped on pedestal flat for detecting wheel hub bottom surface 4th inductance displacement sensor of face degree.
2. vehicle hub synthesis amount instrument according to claim 1, which is characterized in that be equipped on wheel hub positioning table for inhaling The negative pressure sucker of wheel hub bottom surface.
3. vehicle hub synthesis amount instrument according to claim 1 or 2, which is characterized in that the inductance displacement sensor group It is two groups, respectively left inductance displacement sensor group and right inductance displacement sensor group, and left inductance displacement sensor group and a left side Inductance displacement sensor group includes three third inductance positions about the symmetrical setting of hollow guide sleeve, every group of inductance displacement sensor group Displacement sensor, three third inductance displacement sensors from top to bottom successively with position at wheel hub wall upper, middle and lower three sections It is corresponding.
4. vehicle hub synthesis amount instrument according to claim 3, which is characterized in that second inductance displacement sensor is Two, two the second inductance displacement sensors are located at the inner ring and outer ring of bolt mounting holes on wheel hub.
5. vehicle hub synthesis amount instrument according to claim 4, which is characterized in that first inductance displacement sensor, Third inductance displacement sensor, the 4th inductance displacement sensor are spring lever formula inductance displacement sensor, the second inductance position Displacement sensor is Telescopic shaft type inductance displacement sensor.
CN201810696010.1A 2018-06-29 2018-06-29 Comprehensive measuring instrument for vehicle hub Active CN108534658B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810696010.1A CN108534658B (en) 2018-06-29 2018-06-29 Comprehensive measuring instrument for vehicle hub

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810696010.1A CN108534658B (en) 2018-06-29 2018-06-29 Comprehensive measuring instrument for vehicle hub

Publications (2)

Publication Number Publication Date
CN108534658A true CN108534658A (en) 2018-09-14
CN108534658B CN108534658B (en) 2024-03-26

Family

ID=63487258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810696010.1A Active CN108534658B (en) 2018-06-29 2018-06-29 Comprehensive measuring instrument for vehicle hub

Country Status (1)

Country Link
CN (1) CN108534658B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110966971A (en) * 2019-12-31 2020-04-07 浙江农林大学 Heavy truck hub shell size detection machine
CN112504697A (en) * 2020-12-02 2021-03-16 杨雯雯 Wheel hub strength detection device
CN112747699A (en) * 2020-12-01 2021-05-04 杭州电子科技大学 Device and method for simultaneously detecting flatness and inner and outer diameters of glassware

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29813541U1 (en) * 1998-07-30 1999-12-09 Busch Dieter & Co Prueftech Measuring device, in particular for determining characteristic values relating to the surface quality of hollow cylinders
CN2814327Y (en) * 2005-06-08 2006-09-06 孙慧平 Vehicle hub detecting machine
CN102798365A (en) * 2012-08-17 2012-11-28 杭州鸿远测控技术有限公司 Brake disc form and location tolerance measuring method and measuring instrument for realizing same
CN103234488A (en) * 2013-04-15 2013-08-07 机科发展科技股份有限公司 Intelligent thickness and parallelism detector
KR20140122511A (en) * 2013-04-10 2014-10-20 최병옥 Wheel hub measurement tester for vehicles
CN105180866A (en) * 2015-10-28 2015-12-23 昆山康斯特精密机械有限公司 Automatic two-stage inner diameter and roundness detection mechanism for inner rings of first and second generations of wheel hubs
CN208296747U (en) * 2018-06-29 2018-12-28 三门峡中原量仪股份有限公司 A kind of comprehensive amount instrument of vehicle hub

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29813541U1 (en) * 1998-07-30 1999-12-09 Busch Dieter & Co Prueftech Measuring device, in particular for determining characteristic values relating to the surface quality of hollow cylinders
CN2814327Y (en) * 2005-06-08 2006-09-06 孙慧平 Vehicle hub detecting machine
CN102798365A (en) * 2012-08-17 2012-11-28 杭州鸿远测控技术有限公司 Brake disc form and location tolerance measuring method and measuring instrument for realizing same
KR20140122511A (en) * 2013-04-10 2014-10-20 최병옥 Wheel hub measurement tester for vehicles
CN103234488A (en) * 2013-04-15 2013-08-07 机科发展科技股份有限公司 Intelligent thickness and parallelism detector
CN105180866A (en) * 2015-10-28 2015-12-23 昆山康斯特精密机械有限公司 Automatic two-stage inner diameter and roundness detection mechanism for inner rings of first and second generations of wheel hubs
CN208296747U (en) * 2018-06-29 2018-12-28 三门峡中原量仪股份有限公司 A kind of comprehensive amount instrument of vehicle hub

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110966971A (en) * 2019-12-31 2020-04-07 浙江农林大学 Heavy truck hub shell size detection machine
CN112747699A (en) * 2020-12-01 2021-05-04 杭州电子科技大学 Device and method for simultaneously detecting flatness and inner and outer diameters of glassware
CN112504697A (en) * 2020-12-02 2021-03-16 杨雯雯 Wheel hub strength detection device

Also Published As

Publication number Publication date
CN108534658B (en) 2024-03-26

Similar Documents

Publication Publication Date Title
CN2847213Y (en) Internal and external structure relative position size measuring device for rack piston
CN108534658A (en) A kind of vehicle hub synthesis amount instrument
CN109163680A (en) A kind of contactless Deep Hole Straightness Test Device and method
CN108007295B (en) Automatic detection device for M value and tooth surface jumping of worm
CN102519347A (en) Inner hole radial circle run-out detecting tool
CN105387793A (en) Compressor blade runner surface profile tolerance detecting device and method
CN206399390U (en) A kind of position degree departure testing agency
CN108955593A (en) Bearing internal external circle dimension automatic detection device
CN208296747U (en) A kind of comprehensive amount instrument of vehicle hub
CN107084685B (en) Inner hole cylindricity detection device and detection method thereof
CN109352423A (en) Numerically-controlled machine tool AB pivot angle accuracy detection tooling and detection method
CN110986792B (en) High-precision detection device and detection method for one-dimensional ball or cone nest array
CN107538273A (en) Large-scale cylindrical member deviation from circular from and center of circle bounce, linearity online test method and its detection means
CN110779418A (en) Method for measuring length of cone on line by double meters
CN103776331A (en) Apparatus and method for detecting the radial runout of shaft component
CN207797981U (en) A kind of flatness checking device
CN105783676A (en) Detector for pointer shaft of automobile instrument
CN215177403U (en) Circle run-out length measuring instrument
CN209961177U (en) Device for measuring cylindricity of inner hole
CN110345854B (en) Mobile rotor system misalignment multi-dimensional quantitative detection device and method
CN210242753U (en) Part surface roughness testing fixture
CN208155199U (en) A kind of axial dimension measuring device
CN103047914B (en) Device and method for measuring position of bearing seal groove
CN206847541U (en) A kind of mechanical eccentric measurer
CN107752229B (en) Shoe tree measuring apparatu

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant