CN108398110A - Without friction resilient measuring mechanism - Google Patents
Without friction resilient measuring mechanism Download PDFInfo
- Publication number
- CN108398110A CN108398110A CN201810182301.9A CN201810182301A CN108398110A CN 108398110 A CN108398110 A CN 108398110A CN 201810182301 A CN201810182301 A CN 201810182301A CN 108398110 A CN108398110 A CN 108398110A
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- baffle
- mobile
- hole
- fixture block
- mounting hole
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- 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.)
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 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 23
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 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
- G01B21/02—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 length, width, or thickness
Abstract
The invention discloses a kind of no friction resilient measuring mechanisms, including pedestal, mobile holder is provided on the pedestal, it is provided with flying height between the mobile holder and pedestal, the mobile holder is both provided with shrapnel positioned at measure moving direction two between side and pedestal, the mobile holder is connect with touch sensor, and detection bar is provided on the mobile holder.The present invention can be carried out in short space using measurement, and high certainty of measurement.
Description
Technical field
The present invention relates to measuring mechanism fields, and in particular to a kind of no friction resilient measuring mechanism.
Background technology
Displacement sensor is also known as linear transducer, is a kind of linear unit for belonging to metal sense and answering, the effect of sensor
It is that various measurands are converted to electricity.In process of production, the measurement of displacement, which is generally divided into, measures full size and machine
Two kinds of tool displacement is generally abutted with testee when measuring mechanical displacement, when object moves, you can shifted
Data.This sensor is quickly grown, and application is increasingly extensive.
Since sensor has certain length and volume, when installing and using, ruler itself is being confined on complex space
Very little structure is unable to measure the hole within 30mm, can not solve the installation in short space, and traditional lever-type structure due to
There are friction and magnification ratio, measurement accuracy to have loss.
Invention content
The technical problem to be solved in the present invention is to provide a kind of no friction resilient measuring mechanism, can in short space into
Enforcement measures, and high certainty of measurement.
It is described in order to solve the above technical problem, the present invention provides a kind of no friction resilient measuring mechanism, including pedestal
It is provided with mobile holder on pedestal, flying height is provided between the mobile holder and pedestal, the mobile holder, which is located at, to be surveyed
Two of amount moving direction are both provided with shrapnel between side and pedestal, the mobile holder is connect with touch sensor, institute
It states and is provided with detection bar on mobile holder.
Further, mounting blocks are provided on the pedestal between two shrapnels, the first installation is provided in the mounting blocks
Hole, first mounting hole are arranged along moving direction setting, the touch sensor is measured in the first mounting hole, and described the
It is provided with the first via on the corresponding shrapnel of one mounting hole.
Further, the corresponding mounting blocks surface of the touch sensor is provided with the first locking hole, first lock
The first locking screw is provided in solid hole, touch sensor is fixed in the first mounting hole by first locking screw.
Further, first baffle and second baffle, the first baffle and second are additionally provided on the mobile holder
Baffle is separately positioned in the space between mounting blocks and two shrapnels, and the first baffle is abutted with touch sensor to be set
It sets, is provided with the second via on the corresponding second baffle of first mounting hole, the second installation is additionally provided in the mounting blocks
Hole is provided with dynamometer spring in second mounting hole, and the dynamometer spring both ends are supported with first baffle and second baffle respectively
It connects, is additionally provided with the second locking hole on the corresponding mounting blocks of the dynamometer spring, the second lock is provided in second locking hole
Gu screw, dynamometer spring is fixed in the second mounting hole by second locking screw.
Further, compression adjustment screw, the first baffle are provided on the corresponding second baffle of the dynamometer spring
On be provided with holding holes, measurement jacking block is provided in the holding holes, the measurement jacking block abuts setting with touch sensor.
Further, adjusting part is provided on the mobile holder, the detection bar is arranged on adjusting part.
Further, the adjusting part includes adjustment seat, is provided with pilot hole in the adjustment seat, in the pilot hole
It is provided with mobile bar, described mobile bar one end is stretched out pilot hole and connect with detection bar, and the mobile bar other end is adjusted with mobile
Screw thread connects, and the mobile adjusting screw is arranged in adjustment seat, and the adjustment seat is located at the part of detection bar side also
It is provided with the first fixture block and the second fixture block, is provided with the first deformation gap between first fixture block and the second fixture block, described
One fixture block and the second fixture block are matched for clamping tightly mobile bar, and first fixture block is fixedly connected with mobile holder, second fixture block one
It is provided with sandwiched seat in the adjustment seat of side, the second deformation gap, the sandwiched are provided between second fixture block and sandwiched seat
It is provided with sandwiched screw in seat, the sandwiched screw is abutted with sandwiched seat.
Further, the mobile bar is cylindrical structure, and rotation stop groove, second fixture block are provided in the mobile bar
On be provided with rotation stop hole, rotation stop pin is provided in the rotation stop hole, rotation stop pin one end is stretched into rotation stop groove.
Further, it is provided with third mounting hole in the mounting blocks, contraction cylinder is provided in the third mounting hole,
The cylinder rod stretching for shrinking cylinder abuts with second baffle and second baffle can be pushed to move.
Further, it is additionally provided with pressing plate on the shrapnel.
Beneficial effects of the present invention：
It is connected by two shrapnels between mobile holder and pedestal, and by the deformation of shrapnel, enables to mobile branch
Frame moves in parallel, and without friction between mobile holder and pedestal, can effectively improve accuracy of detection, and overall structure is flat tight
It gathers, it is small, utilize the installation of small space.
Detection bar is set on mobile holder, is abutted in product testing position by detection bar, has small, is fitted
It is wide with range, the advantages that being not limited by a space, and size can be made according to object size to be measured nonstandard customization
It is small, it can solve the problem of the difficult detection such as small measurement space of aperture.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the cross section structure schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of the present invention measured between jacking block and first baffle.
Figure label explanation：1, pedestal, 2, mobile holder, 3, flying height, 4, shrapnel, 5, touch sensor, 6, inspection
Measuring staff, 7, mounting blocks, the 8, first mounting hole, 9, first baffle, 10, second baffle, the 11, second mounting hole, 12, dynamometer spring,
13, holding holes, 14, measure jacking block, the 15, first locking hole, 16, adjusting part, 17, adjustment seat, the 18, second locking hole, 19, move
Lever, 20, mobile adjusting screw, the 21, first fixture block, the 22, second fixture block, the 23, first deformation gap, 24, sandwiched seat, 25, the
Dimorphism Varied clearance, 26, rotation stop pin, 27, sandwiched screw, 28, rotation stop groove, 29, rotation stop hole, 30, third mounting hole, 31, shrink gas
Cylinder, 32, pressing plate.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Shown in referring to Figures 1 and 2, an embodiment of no friction resilient measuring mechanism of the invention, including pedestal 1, pedestal
On be provided with mobile holder 2, flying height 3, therefore nothing between mobile holder and pedestal are provided between mobile holder and pedestal
It is in direct contact, be located at measurement moving direction in mobile holder two are both provided with shrapnel 4 between side and pedestal, i.e., mobile branch
It is connected by two shrapnels between frame and pedestal, to form a quadrilateral structure, mobile holder connects with touch sensor 5
It connects, the movement of mobile holder can be detected by touch sensor, be provided with detection bar 6 on mobile holder, passed through inspection
Measuring staff is abutted in product testing position, and the abutting of detection bar can be transformed by mobile holder on touch sensor,
The effect of contact conversion is realized, after which setting, the part touched with object to be measured has small, the scope of application
Extensively, the advantages that being not limited by a space, and can size can be made small according to the nonstandard customization of object size to be measured, can be with
Solve the problem of the difficult detection such as small measurement space of aperture.When mobile holder movement, two shrapnel deformation auxiliary, and have
There is the effect of limit, mobile holder can also be resetted after mobile.
Mounting blocks 7 are set on the pedestal between two above-mentioned shrapnels, the first mounting hole 8 is provided in mounting blocks, the
One mounting hole is arranged along moving direction setting, touch sensor is measured in the first mounting hole, the corresponding bullet of the first mounting hole
On piece is provided with the first via, can effectively reduce the volume of measuring mechanism, make full use of space, compact-sized.And
The corresponding mounting blocks surface of touch sensor is provided with the first locking hole 15, and the first locking spiral shell is provided in the first locking hole
Touch sensor is fixed in the first mounting hole by nail, the first locking screw, and the first locking screw is hidden in mounting blocks, no
Increase additional volume structure, realize the fixation of touch sensor, when needing adjusting position, can also grasp easily and fast
Make.
After opening up the first via on shrapnel, pressing plate 32 is fixedly installed on shrapnel, the company of shrapnel is improved by pressing plate
Intensity is connect, the hole coordinated with the first via can also be opened up on this pressing plate, plays the effect of perforation.
It is additionally provided with first baffle 9 and second baffle 10 on mobile holder, first baffle and second baffle are respectively set
In space between mounting blocks and two shrapnels, first baffle abuts setting, when moving, first gear with touch sensor
Plate and mobile holder synchronizing moving, therefore can effectively transmit displacement；It is provided on the corresponding second baffle of first mounting hole
Second via is convenient for the installation settings of touch sensor.
In order to improve so that with more suitable measurement dynamics when measuring, the second mounting hole is additionally provided in mounting blocks
11, dynamometer spring 12 is provided in the second mounting hole, dynamometer spring both ends are abutted with first baffle and second baffle respectively, and
It is additionally provided with the second locking hole 18 on the corresponding mounting blocks of dynamometer spring, the second locking screw, institute are provided in the second locking hole
It states the second locking screw dynamometer spring is fixed in the second mounting hole, the first locking screw is hidden in mounting blocks, is not increased
Additional volume structure realizes the fixation of touch sensor, when needing adjusting position, can also operate easily and fast；
And when in use, dynamometer spring will not be moved because of first baffle and second baffle synchronizing moving, be fixed in mounting blocks,
Therefore there is elastic force deformation and release, achieve the effect that provide measurement dynamics.And it is set on the corresponding second baffle of dynamometer spring
It is equipped with compression adjustment screw, the compressive deformation state of dynamometer spring can be adjusted so that measures dynamics and is adjusted, adjusting
It is first to unclamp the second locking screw, locks the second locking screw after adjusting.
Adjusting part 16 is additionally provided on mobile holder, detection bar is arranged on adjusting part, passes through adjusting part, energy
It is enough that detection bar is finely adjusted, fully to meet the measurement of micro hole；Adjusting part includes adjustment seat 17, is provided in adjustment seat
Pilot hole is provided with mobile bar 19 in pilot hole, and mobile bar one end is stretched out pilot hole and connect with detection bar, the mobile bar other end and
Mobile adjusting screw 20 is threadedly coupled, and mobile adjusting screw is arranged in adjustment seat, and adjustment seat is located at the part of detection bar side
It is additionally provided with the first fixture block 21 and the second fixture block 22, the first deformation gap 23 is provided between the first fixture block and the second fixture block, the
One fixture block and the second fixture block are matched for clamping tightly mobile bar, and the first fixture block is fixedly connected with mobile holder, the adjusting of the second fixture block side
It is provided with sandwiched seat 24 on seat, the second deformation gap 25 is provided between the second fixture block and sandwiched seat, folder is provided in sandwiched seat
If screw 27, sandwiched screw is abutted with sandwiched seat, is locked sandwiched screw by adjusting, is enabled to the second fixture block towards the first shape
Varied clearance moves, and to close first fixture block, therefore forms the effect of sandwiched, mobile bar is fixedly clamped, and unclamps folder when adjusting
If when screw, the first fixture block can be moved towards the second deformation gap, therefore mobile bar has mobile possibility, is not being pressed from both sides
Tightly, pass through the rotation to mobile adjusting screw at this time so that mobile bar moves in the axial direction, reaches the mesh for adjusting shift position
, after adjusting, by sandwiched screw locking, simple operation is reliable.
Above-mentioned mobile bar is cylindrical structure, is provided with rotation stop groove 28 in mobile bar, rotation stop hole is provided on the second fixture block
29, rotation stop pin 26 is provided in rotation stop hole, and rotation stop pin one end is stretched into rotation stop groove, and cylindrical structure is easy to remove, and uses
After rotation stop pin, mobile bar can not rotate, that is, realize effect that can only be axially adjustable, can substantially reduce machining accuracy.
Third mounting hole 30 can also be set in mounting blocks, be provided in third mounting hole and shrink cylinder 31, shrink gas
The cylinder rod stretching of cylinder abuts with second baffle and second baffle can be pushed to move, and is needing that measuring mechanism is removed or pacified
When dress, by shrinking cylinder movement, second baffle movement is pushed, i.e., entirely mobile holder carries out displacement, and detection bar is moved to
Empty place, it is contactless with component to be detected, damage can be touched to avoid detection bar.
With reference to shown in Fig. 3, it is provided with holding holes 13 on first baffle, is provided in holding holes and measures jacking block 14, measures top
Block abuts setting with touch sensor, by this way so that touch sensor can be hidden in the first mounting hole, be led to
Crossing measurement jacking block can realize that mobile synchronization, guarantee are abutted with touch sensor, ensure measurement accuracy.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of no friction resilient measuring mechanism, which is characterized in that including pedestal, mobile holder, institute are provided on the pedestal
It states and is provided with flying height between mobile holder and pedestal, the mobile holder is located at two sides and bottom for measuring moving direction
It is both provided with shrapnel between seat, the mobile holder is connect with touch sensor, and detection bar is provided on the mobile holder.
2. as described in claim 1 without friction resilient measuring mechanism, which is characterized in that be arranged on the pedestal between two shrapnels
There are mounting blocks, the first mounting hole is provided in the mounting blocks, first mounting hole is arranged along moving direction is measured, described to connect
Touch sensor is arranged in the first mounting hole, and the first via is provided on the corresponding shrapnel of first mounting hole.
3. as claimed in claim 2 without friction resilient measuring mechanism, which is characterized in that the corresponding peace of the touch sensor
It is provided with the first locking hole on dress block, the first locking screw is provided in first locking hole, first locking screw will
Touch sensor is fixed in the first mounting hole.
4. as claimed in claim 2 without friction resilient measuring mechanism, which is characterized in that be additionally provided on the mobile holder
One baffle and second baffle, the first baffle and second baffle are separately positioned on the space between mounting blocks and two shrapnels
Interior, the first baffle abuts setting with touch sensor, and is provided on the corresponding second baffle of first mounting hole
Two vias are additionally provided with the second mounting hole in the mounting blocks, dynamometer spring, the dynamometry are provided in second mounting hole
Both ends of the spring is abutted with first baffle and second baffle respectively, and the second lock is additionally provided on the corresponding mounting blocks of the dynamometer spring
Solid hole is provided with the second locking screw in second locking hole, and dynamometer spring is fixed on second by second locking screw
In mounting hole.
5. as claimed in claim 4 without friction resilient measuring mechanism, which is characterized in that the corresponding second gear of the dynamometer spring
It is provided with compression adjustment screw on plate, holding holes are provided on the first baffle, measurement jacking block is provided in the holding holes,
The measurement jacking block abuts setting with touch sensor.
6. as described in claim 1 without friction resilient measuring mechanism, which is characterized in that be provided with adjusting on the mobile holder
Component, the detection bar are arranged on adjusting part.
7. as claimed in claim 6 without friction resilient measuring mechanism, which is characterized in that the adjusting part includes adjustment seat,
Be provided with pilot hole in the adjustment seat, be provided with mobile bar in the pilot hole, described mobile bar one end stretch out pilot hole with
Detection bar connects, and the mobile bar other end is threadedly coupled with mobile adjusting screw, and the mobile adjusting screw setting is being adjusted
On seat, the part that the adjustment seat is located at detection bar side is additionally provided with the first fixture block and the second fixture block, first fixture block and
It is provided with the first deformation gap between second fixture block, first fixture block and the second fixture block are matched for clamping tightly mobile bar, and described first
Fixture block is fixedly connected with mobile holder, is provided with sandwiched seat in the adjustment seat of second fixture block side, second fixture block and
It is provided with the second deformation gap between sandwiched seat, sandwiched screw, the sandwiched screw and sandwiched seat are provided in the sandwiched seat
It abuts.
8. as claimed in claim 7 without friction resilient measuring mechanism, which is characterized in that the mobile bar is cylindrical structure,
It is provided with rotation stop groove in the mobile bar, rotation stop hole is provided on second fixture block, rotation stop pin is provided in the rotation stop hole,
Rotation stop pin one end is stretched into rotation stop groove.
9. as described in claim 3-5 any one without friction resilient measuring mechanism, which is characterized in that set in the mounting blocks
It is equipped with third mounting hole, contraction cylinder is provided in the third mounting hole, the cylinder rod for shrinking cylinder stretches out and second
Baffle abuts and second baffle can be pushed to move.
10. as described in claim 1-8 any one without friction resilient measuring mechanism, which is characterized in that on the shrapnel also
It is provided with pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810182301.9A CN108398110A (en) | 2018-03-06 | 2018-03-06 | Without friction resilient measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810182301.9A CN108398110A (en) | 2018-03-06 | 2018-03-06 | Without friction resilient measuring mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108398110A true CN108398110A (en) | 2018-08-14 |
Family
ID=63091901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810182301.9A Pending CN108398110A (en) | 2018-03-06 | 2018-03-06 | Without friction resilient measuring mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108398110A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082594A (en) * | 2019-12-31 | 2020-04-28 | 中国科学院空间应用工程与技术中心 | Space linear motion mechanism and on-orbit inspection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879916A (en) * | 1987-06-29 | 1989-11-14 | Meseltron S.A. | Contact sensor for calipering pieces such as workpieces |
| EP0548328A1 (en) * | 1991-07-11 | 1993-06-30 | Renishaw Metrology Ltd | Touch probe. |
| CN2832621Y (en) * | 2005-10-25 | 2006-11-01 | 中国重型汽车集团有限公司 | Steering operation and regulation device for heavy vehicle |
| CN101329154A (en) * | 2008-06-25 | 2008-12-24 | 无锡富瑞德精密机械有限公司 | Elastic block mechanism |
| CN201402111Y (en) * | 2009-04-17 | 2010-02-10 | 上海宝钢设备检修有限公司 | Slide block and tabletting structure of vernier caliper |
| CN102155896A (en) * | 2011-03-11 | 2011-08-17 | 天津大学 | Single-sensor two-dimensional contact type measuring probe based on gear measurement |
| CN202024708U (en) * | 2011-04-13 | 2011-11-02 | 江苏正信新能源科技集团有限公司 | Device for detecting recess and bump defects on surface of battery laminate |
| CN102997800A (en) * | 2012-11-07 | 2013-03-27 | 无锡市迈日机器制造有限公司 | Gapless displacement transmission mechanism |
| CN203798329U (en) * | 2014-02-26 | 2014-08-27 | 江门市力泰科技有限公司 | Parallel leaf spring precision micro-motion unit |
| CN107246834A (en) * | 2017-07-19 | 2017-10-13 | 黑石测控技术（苏州）有限公司 | A kind of elastic fluid measurement device |
| CN208091406U (en) * | 2018-03-06 | 2018-11-13 | 苏州普费勒精密量仪有限公司 | Without friction resilient measuring mechanism |
-
2018
- 2018-03-06 CN CN201810182301.9A patent/CN108398110A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879916A (en) * | 1987-06-29 | 1989-11-14 | Meseltron S.A. | Contact sensor for calipering pieces such as workpieces |
| EP0548328A1 (en) * | 1991-07-11 | 1993-06-30 | Renishaw Metrology Ltd | Touch probe. |
| CN2832621Y (en) * | 2005-10-25 | 2006-11-01 | 中国重型汽车集团有限公司 | Steering operation and regulation device for heavy vehicle |
| CN101329154A (en) * | 2008-06-25 | 2008-12-24 | 无锡富瑞德精密机械有限公司 | Elastic block mechanism |
| CN201402111Y (en) * | 2009-04-17 | 2010-02-10 | 上海宝钢设备检修有限公司 | Slide block and tabletting structure of vernier caliper |
| CN102155896A (en) * | 2011-03-11 | 2011-08-17 | 天津大学 | Single-sensor two-dimensional contact type measuring probe based on gear measurement |
| CN202024708U (en) * | 2011-04-13 | 2011-11-02 | 江苏正信新能源科技集团有限公司 | Device for detecting recess and bump defects on surface of battery laminate |
| CN102997800A (en) * | 2012-11-07 | 2013-03-27 | 无锡市迈日机器制造有限公司 | Gapless displacement transmission mechanism |
| CN203798329U (en) * | 2014-02-26 | 2014-08-27 | 江门市力泰科技有限公司 | Parallel leaf spring precision micro-motion unit |
| CN107246834A (en) * | 2017-07-19 | 2017-10-13 | 黑石测控技术（苏州）有限公司 | A kind of elastic fluid measurement device |
| CN208091406U (en) * | 2018-03-06 | 2018-11-13 | 苏州普费勒精密量仪有限公司 | Without friction resilient measuring mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082594A (en) * | 2019-12-31 | 2020-04-28 | 中国科学院空间应用工程与技术中心 | Space linear motion mechanism and on-orbit inspection device |
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