CN108303059A - A kind of precision bearing system gap detection device based on parallel institution - Google Patents
A kind of precision bearing system gap detection device based on parallel institution Download PDFInfo
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- CN108303059A CN108303059A CN201810048549.6A CN201810048549A CN108303059A CN 108303059 A CN108303059 A CN 108303059A CN 201810048549 A CN201810048549 A CN 201810048549A CN 108303059 A CN108303059 A CN 108303059A
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- scroll chuck
- bearing system
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rolling Contact Bearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of precision bearing system gap detection device based on parallel institution, it includes pedestal, linear moving apparatus, scroll chuck and precision bearing system gap detection platform, wherein pedestal is equipped with precision bearing system gap detection platform, it is equipped with linear moving apparatus in the side of pedestal, one end of scroll chuck fixed beam is connect with linear moving apparatus, and scroll chuck is fixed on the other end of scroll chuck fixed beam；The precision bearing system gap detection platform includes moving platform, fixed platform and the identical branch of six structures for connecting moving platform and fixed platform, and the flexible link of every branch is connect with fixed platform and moving platform, and piezoelectric ceramic actuator is equipped in flexible link；Stand in the linear moving apparatus is fixed on the base, and motor cabinet and servo motor are located in stand, and leading screw is connect by shaft coupling with servo motor, and the feed screw nut on leading screw is connect with the sliding block for the linear guide being located in stand.Present invention installation is simple, efficient, and the multi-dimensions test in space precise shafting gap may be implemented.
Description
Technical field
The invention belongs to shafting gap detection field, more particularly to a kind of precision bearing system clearance detecting system.
Background technology
Element of the space precise shafting as space flight mechanism is space flight mechanism normal work, realizes in-orbit clothes
Use as a servant and reach the basic guarantee of predicted life.Major influence factors of the precision bearing system gap as mechanism reliability, to its dynamic
Performance, running accuracy, rolling fatigue life and bearing capacity all have a significant impact, while the operation for also contributing to cradle head can
By property, so the entirely functional reliability of space flight mechanism.Therefore, have for the accurate detection in space precise shafting gap important
Research significance.Currently, traditional bearing clearance detection method is set using the simple machinery such as micrometer, clearance gauge both at home and abroad
It is standby, detection is realized by manual operation and reading, or be detected with lead extrusion method, whole detection level more falls behind,
Mostly the experience of staff is relied on to judge.There are also company measured using instrument：Beijing perseverance Order instrument
The model HAD-X194 bearing axial play detectors of company of finite instrument company production, measurement range are outer diameter D 40-
100, the error of indication 0.007, X193, X194, X195 series radial ball that three rich gauge check Instrument Ltd. of Yuhuan develops
The X294 cylinders that metering detecting instrument Co., Ltd develops during bearing axial clearance measuring apparatus Bearing testing instrument and Hefei are remote
Roller bearing radial play measuring instrument etc..But that there is detection efficiencies is low, precision is low and detection dimension for the above method and instrument
Spend the shortcomings of small.
Invention content
The purpose of the present invention is to provide a kind of installations simply, efficient, and the more of space precise shafting gap may be implemented
Tie up the precision bearing system gap detection device based on parallel institution of detection.
The present invention includes pedestal, linear moving apparatus, scroll chuck and precision bearing system gap detection platform, wherein pedestal
It is equipped with precision bearing system gap detection platform, linear moving apparatus, one end of scroll chuck fixed beam are equipped in the side of pedestal
It is connect with linear moving apparatus, scroll chuck is fixed on the other end of scroll chuck fixed beam；
The precision bearing system gap detection platform includes moving platform, fixed platform and connection moving platform and six of fixed platform
The identical branch of structure, fixed platform are fixed on the center of pedestal, and every branch includes flexible link and piezoelectric ceramic actuator, flexibility
One end of bar is connect by bolt with fixed platform, and the other end is connect by bolt with moving platform, and flexible link is hollow type frame
Structure, both ends are equipped with flexible hinge, and centre is equipped with piezoelectric ceramic actuator, soft by driving piezoelectric ceramic actuator that can make
Property bar occur flexible deformation to change the length of flexible link；The identical branch of six structures is uniformly distributed on fixed platform, dynamic flat
It is uniformly distributed in pairs on platform, and angle of inclination is symmetrical two-by-two, equal, entire detection platform is driven by piezoelectric ceramic actuator, is led to
The flexible deformation for crossing flexible hinge realizes micro-displacement.6-SPS types parallel institution drives flexible link to change by piezoelectric ceramic actuator
The length for becoming six branched chains makes moving platform generate micro-displacement.
The linear moving apparatus includes drive component and mobile subcomponent, and wherein drive component includes servo motor, electricity
Engine base, shaft coupling, mobile subcomponent include leading screw, feed screw nut, the linear guide, sliding block, scroll chuck fixed beam and stand,
One end of stand is fixed on the base, and motor cabinet is fixed on the other end of stand, and servo motor is located on motor cabinet, the linear guide
It is fixed on stand wall vertically, one end of leading screw is connect by shaft coupling with servo motor, under the other end and stand of leading screw
Seat connection, leading screw are equipped with feed screw nut, and feed screw nut is connect with the sliding block being located in the linear guide, scroll chuck fixed beam
One end is connected with feed screw nut, and the other end of scroll chuck fixed beam is equipped with scroll chuck, and servo motor drives leading screw to drive silk
Thick stick nut moves, and feed screw nut drives scroll chuck fixed beam to be moved along the linear guide.
The present invention has the following advantages that compared with prior art：
1, the advantages that parallel institution bearing capacity is strong, rigidity is big, error is small, precision is high, power performance is good is made full use of, it will
Parallel institution is applied to space precise shafting gap detection field, and precision bearing system outer ring is fixed by scroll chuck, using based on
The detection platform of parallel institution drives precision bearing system inner ring to generate mobile or rotation and realize detection, extends parallel precise jiggle
The application range of platform.
2, installation is simple, efficient, and bearing capacity is strong, rigidity is big, error is small, precision is high, power performance is good, may be implemented
The multi-dimensions test in space precise shafting gap.
Description of the drawings
Fig. 1 is the three-dimensional simplified schematic diagram of the present invention；
Fig. 2 is the three-dimensional simplified schematic diagram of precision bearing system gap detection platform of the present invention；
Fig. 3 is the simplified schematic diagram of linear moving apparatus of the present invention.
In figure：1. pedestal, 2. precision bearing system gap detection platforms, 3. precision bearing systems, 4. scroll chucks, 5. linear movement dresses
Set, 6. fixed platforms, 7. moving platforms, 8. piezoelectric ceramic actuators, 9. flexible links, 10. leading screws, 11. scroll chuck fixed beams, 12.
Feed screw nut, 13. shaft couplings, 14. servo motors, 15. motor cabinets, 16. sliding blocks, 17. the linear guides, 18. stands.
Specific implementation mode
In precision bearing system gap detection device schematic diagram based on parallel institution shown in Fig. 1, pedestal 1 is equipped with precision
Shafting gap detection platform 2, precision bearing system 3 to be measured are placed on precision bearing system gap detection platform, and straight line is equipped in the side of pedestal
One end of mobile device 5, scroll chuck fixed beam 11 is connect with linear moving apparatus, and it is solid that scroll chuck 4 is fixed on scroll chuck
Determine the other end of beam；
As shown in Fig. 2, precision bearing system gap detection platform includes moving platform, fixed platform and connection moving platform and fixed platform
The identical branch of six structures, fixed platform 6 is fixed on the center of pedestal, and every branch includes flexible link and Piezoelectric Ceramic
Device, flexible link 9 are hollow type frame structure, and both ends are equipped with flexible hinge, and centre is equipped with piezoelectric ceramic actuator 8, passes through drive
Dynamic piezoelectric ceramic actuator can make flexible link that flexible deformation occur, and to change the length of flexible link, one end of flexible link passes through
Bolt is fixedly connected with fixed platform, and the other end is fixedly connected by bolt with moving platform 7；The identical branch of six structures is fixed
It is uniformly distributed on platform, it is uniformly distributed in pairs on moving platform, and angle of inclination is symmetrical two-by-two, equal, entire detection platform is by piezoelectricity
Ceramic driver drives, and micro-displacement is realized by the flexible deformation of flexible hinge.6-SPS type parallel institutions are driven by piezoelectric ceramics
Dynamic device driving flexible link changes the length of six branched chains, and moving platform is made to generate micro-displacement.
As shown in figure 3, one end of the stand 18 in linear moving apparatus is fixed on the base, motor cabinet 15 is fixed on stand
The other end, servo motor 14 is located on motor cabinet, and the linear guide 17 is fixed on vertically on stand wall, and one end of leading screw 10 passes through
Shaft coupling 13 is connect with servo motor, and the other end of leading screw and the lower seat of stand connect, and leading screw is equipped with feed screw nut 12, leading screw
Nut is connect with the sliding block 16 being located in the linear guide, and one end and the feed screw nut of scroll chuck fixed beam 11 are connected, three-jaw card
The other end of disk fixed beam is equipped with scroll chuck, and servo motor drives leading screw that feed screw nut movement, feed screw nut is driven to drive three
Dog chuck fixed beam is moved along the linear guide.Scroll chuck selects diameter 250mm, and the scroll chuck of quality 25.6kg can be real
The radial clamping range of existing 6-110mm, to meet the requirement that is loaded of different-diameter main shaft.
The gap of space bearing and precision bearing system is typically between micron order and grade, when detection, by precision bearing system
Inner ring and scroll chuck 4 fix, enable detection platform 2 and the outer ring of smart shafting 3 fix, pass through the movement of control detection platform 2
The outer ring of precision bearing system is driven to move to complete the detection in its gap.
Claims (1)
1. a kind of precision bearing system gap detection device based on parallel institution comprising pedestal, linear moving apparatus, scroll chuck
And precision bearing system gap detection platform, it is characterised in that：The pedestal is equipped with precision bearing system gap detection platform, in pedestal
Side be equipped with linear moving apparatus, one end of scroll chuck fixed beam connect with linear moving apparatus, and scroll chuck is fixed on
The other end of scroll chuck fixed beam；
The precision bearing system gap detection platform includes moving platform, fixed platform and six structures for connecting moving platform and fixed platform
Identical branch, fixed platform are fixed on the center of pedestal, and every branch includes flexible link and piezoelectric ceramic actuator, flexible link
One end is connect by bolt with fixed platform, and the other end is connect by bolt with moving platform, flexible link both ends be respectively provided with one it is soft
Property hinge, piezoelectric ceramic actuator is equipped in flexible link；The identical branch of six structures is uniformly distributed on fixed platform, on moving platform
It is uniformly distributed in pairs, and angle of inclination is symmetrical two-by-two, equal, entire detection platform is driven by piezoelectric ceramic actuator, by soft
Property hinge flexible deformation realize micro-displacement；
The linear moving apparatus includes drive component and mobile subcomponent, wherein drive component include servo motor, motor cabinet,
Shaft coupling, mobile subcomponent includes leading screw, feed screw nut, the linear guide, sliding block, scroll chuck fixed beam and stand, stand
One end be fixed on the base, motor cabinet is fixed on the other end of stand, and servo motor is located on motor cabinet, and the linear guide is vertical
It is fixed on stand wall, one end of leading screw is connect by shaft coupling with servo motor, and the other end of leading screw and the lower seat of stand connect
It connects, leading screw is equipped with feed screw nut, and feed screw nut is connect with the sliding block being located in the linear guide, one end of scroll chuck fixed beam
It is connected with feed screw nut, the other end of scroll chuck fixed beam is equipped with scroll chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048549.6A CN108303059A (en) | 2018-01-18 | 2018-01-18 | A kind of precision bearing system gap detection device based on parallel institution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048549.6A CN108303059A (en) | 2018-01-18 | 2018-01-18 | A kind of precision bearing system gap detection device based on parallel institution |
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| Publication Number | Publication Date |
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| CN108303059A true CN108303059A (en) | 2018-07-20 |
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| CN201810048549.6A Pending CN108303059A (en) | 2018-01-18 | 2018-01-18 | A kind of precision bearing system gap detection device based on parallel institution |
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| CN (1) | CN108303059A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757262A (en) * | 2021-01-16 | 2021-05-07 | 北京工业大学 | Micro-motion 3-UPU compliant parallel mechanism with pure movement |
Citations (9)
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|---|---|---|---|---|
| DE4218984A1 (en) * | 1992-06-10 | 1993-12-16 | Zeiss Carl Jena Gmbh | Positioning system for optical test equipment |
| US20080193241A1 (en) * | 2006-04-30 | 2008-08-14 | Tianjin University | Parallel Mechanism Having Two Rotational and One Translational Degrees of Freedom |
| CN102592684A (en) * | 2011-12-12 | 2012-07-18 | 江西理工大学 | Spatial three-dimensionally translatory and two-dimensionally rotary full-compliant parallel mechanism |
| CN203037186U (en) * | 2012-12-03 | 2013-07-03 | 东风汽车电子有限公司 | Clearance measurement clamp |
| CN103225728A (en) * | 2013-04-24 | 2013-07-31 | 山东大学 | Two-dimensional parallel micromotion platform driven by piezoceramic |
| CN203480322U (en) * | 2013-09-22 | 2014-03-12 | 济南大学 | Sensor automatic centering system in small-hole measurement |
| KR20140077605A (en) * | 2012-12-14 | 2014-06-24 | 주식회사 포스코 | Apparatus for measuring gap of roll bearing in continuous casting machine |
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| CN207763679U (en) * | 2018-01-18 | 2018-08-24 | 燕山大学 | A kind of precision bearing system gap detection device based on parallel institution |
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2018
- 2018-01-18 CN CN201810048549.6A patent/CN108303059A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
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| US20080193241A1 (en) * | 2006-04-30 | 2008-08-14 | Tianjin University | Parallel Mechanism Having Two Rotational and One Translational Degrees of Freedom |
| CN102592684A (en) * | 2011-12-12 | 2012-07-18 | 江西理工大学 | Spatial three-dimensionally translatory and two-dimensionally rotary full-compliant parallel mechanism |
| CN203037186U (en) * | 2012-12-03 | 2013-07-03 | 东风汽车电子有限公司 | Clearance measurement clamp |
| KR20140077605A (en) * | 2012-12-14 | 2014-06-24 | 주식회사 포스코 | Apparatus for measuring gap of roll bearing in continuous casting machine |
| CN103225728A (en) * | 2013-04-24 | 2013-07-31 | 山东大学 | Two-dimensional parallel micromotion platform driven by piezoceramic |
| CN203480322U (en) * | 2013-09-22 | 2014-03-12 | 济南大学 | Sensor automatic centering system in small-hole measurement |
| CN206583391U (en) * | 2017-01-17 | 2017-10-24 | 宁夏菲斯克汽车轮毂轴承有限公司 | A kind of detection means of bearing axial play |
| CN207763679U (en) * | 2018-01-18 | 2018-08-24 | 燕山大学 | A kind of precision bearing system gap detection device based on parallel institution |
Non-Patent Citations (1)
| Title |
|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757262A (en) * | 2021-01-16 | 2021-05-07 | 北京工业大学 | Micro-motion 3-UPU compliant parallel mechanism with pure movement |
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| CB03 | Change of inventor or designer information |
Inventor after: Yao Jiantao Inventor after: Gu Weidong Inventor after: Liu Yi Inventor after: Feng Zongqiang Inventor after: Qi Saizhao Inventor after: Pang Youjin Inventor after: Shang Tao Inventor before: Yao Jiantao Inventor before: Gu Weidong Inventor before: Liu Yi Inventor before: Feng Zongqiang Inventor before: Qi Saizhao Inventor before: Pang Youquan Inventor before: Shang Tao |
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