CN206177459U - Polarizing equipment and micro - appearance - Google Patents
Polarizing equipment and micro - appearance Download PDFInfo
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- CN206177459U CN206177459U CN201621118628.2U CN201621118628U CN206177459U CN 206177459 U CN206177459 U CN 206177459U CN 201621118628 U CN201621118628 U CN 201621118628U CN 206177459 U CN206177459 U CN 206177459U
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- actuator
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- polarising means
- polarization plates
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Abstract
The utility model provides a polarizing equipment and micro - appearance to the polarizing equipment's of existence the problem that the use convenience is low among the solution prior art. Polarizing equipment includes the polarization board, installs platform and actuating mechanism, install and seted up first through -hole on the platform, the polarization board is located in the first through -hole, actuating mechanism can drive the polarization board for it rotates to install the platform. Polarizing equipment is used for the required incident light angle of continuously adjustable, be convenient for experiment and detection.
Description
Technical field
The utility model is related to technical field of optical instrument, more particularly, to a kind of polarising means and frequency microscope.
Background technology
With the development and the progress of science of society, people are to biomedicine, physics, chemistry, environment measuring, food hygiene
Detection Deng the material in field turns into some important research projects, and when carrying out many detection and analysis, can use frequency microscope.Spectrum
Instrument and microscope belong to frequency microscope, and spectrometer, also known as spectroscope, is that one kind measures spectral line with photo-detectors such as photomultipliers
The device of different wave length position intensity.Simple structure, easy to operate, measurement quickly, efficiently and accurately and lower wave number due to spectrometer
Measurement capability significantly, therefore and turn into each field material composition detection analysis preferably use apparatus.
Usually, spectrometer of the prior art is made up of optical table and detecting system, and the optics in optical table
Annex plays important role in experimentation, and optical accessory is polarizing elements under normal circumstances, during experiment, uses polarizing elements
Required wavelength or wavelength region are separated from the electromagnetic radiation of radiation source, and on selected wavelength or is scanned
A certain wave band carries out strength detection, optical information is extracted by spectrometer or computerized automatic display numerical value instrument show with
Analysis, so as to predict in article containing which kind of element, is further judged and is confirmed to the composition of material.Existing polarizing elements
It is half-wave plate and polarizer, when to be adjusted to the polarization direction of incident light, it need to be grasped using half-wave plate
Make, and when needing to continuously adjust incident light polarization direction in experimentation, then the half-wave plate that will be installed before is removed, weight
The new half-wave plate for installing special angle is operated again, and it is to be spaced and discrete regulation to cause operating process, therefore behaviour
Making personnel need to repeatedly change half-wave plate and then adjust the polarization direction of incident angle of light, increased the step of operating repeatedly, and
Need to prepare the half-wave plate with different angles, not only cause that manufacture is cumbersome, also cause that the convenience of operation is low.
Utility model content
The purpose of this utility model is to provide a kind of polarising means, is made with solving polarising means present in prior art
With the low technical problem of convenience.
To reach above-mentioned purpose, the utility model embodiment uses following technical scheme：
A kind of polarising means, including polarization plates, installing platform and drive mechanism；
First through hole is offered on the installing platform, the polarization plates are located in the first through hole, the driving machine
Structure can drive the polarization plates to be rotated relative to the installing platform.
Further, for the concrete structure of above-mentioned driving structure, the drive mechanism includes be sequentially connected the
One actuator, driving member and the second actuator, second actuator are installed in the first through hole and can be relative to institutes
Installing platform is stated to rotate；There is the second through hole on second actuator and second through hole coaxially sets with the first through hole
Put, the polarization plates are installed in second through hole.
Further, first actuator and second actuator are the rotary body that can be rotated around own axes,
The driving member is transmission belt.
Further, first actuator and second actuator are drive gear, and the driving member is band tooth
Transmission belt, first actuator and second actuator are engaged with the driving member respectively.
Further, for the concrete structure of above-mentioned second actuator, the periphery of second actuator is ladder
Type structure；The gear teeth of second actuator set the region being relatively large in diameter on their outer circumference, outside second actuator
The less region of diameter on week is connected with the hole wall of the first through hole by bearing.
Further, second through hole is shoulder hole, and the polarization plates are installed in being relatively large in diameter for second through hole
Region in, the polarization plates are oppositely arranged with the gear teeth of second actuator.
As the further improvement of such scheme, in the utility model, ring is provided with the periphery of first actuator
Connected in star, the gear teeth of first actuator are arranged in the annular groove.
Further, for the concrete structure of above-mentioned first actuator, the periphery of first actuator is ladder
Type structure；The annular groove is arranged on the region being relatively large in diameter on the periphery of first actuator, and described first drives
The less region of diameter on the periphery of part is connected with the installing platform by bearing.
As the further improvement of such scheme, first actuator, the driving member, second actuator it is upper
Surface is located in same level, has setting between the central axis of the central axis of the polarization plates and second through hole
Angle, it is described to set angle as 2 ° -4 °.
Used as the further improvement of such scheme, the utility model also provides a kind of frequency microscope, including light path, also including such as
Upper described polarising means, the polarising means is installed in the light path.
Compared to the polarising means that prior art, the utility model are provided, including polarizing elements, installing platform, drive mechanism,
Printing opacity through hole is offered on installing platform, polarizing elements are installed on printing opacity through hole, and polarizing elements can be relative with installing platform
Rotation, drive mechanism and polarizing elements drive connection, when using, need to only rotate to an angle drive mechanism, due to drive mechanism
With polarizing elements drive connection so that polarizing elements and drive mechanism synchronous axial system, after the experiment of special angle is completed,
The polarizing elements for reinstalling required set angle during to another set angle without original polarizing elements are removed need to be adjusted, only
Drive mechanism need to be operated, you can the polarizing elements being installed on installing platform is rotated to set angle, reduce operation
Step, reaches the purpose for continuously adjusting polarizing elements angle, and then improve the property easy to use of polarising means.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The overall explosive view one of the polarising means that Fig. 1 is provided for the utility model embodiment；
The overall installation diagram one of the polarising means that Fig. 2 is provided for the utility model embodiment；
The overall explosive view two of the polarising means that Fig. 3 is provided for the utility model embodiment；
The overall installation diagram two of the polarising means that Fig. 4 is provided for the utility model embodiment；
The front view of the polarising means that Fig. 5 is provided for the utility model embodiment；
Icon：1- polarization plates；2- installs platform；3- drive mechanisms；4- bearings；11- centering lines；21- first through hole；22-
To zero graduation line；23- third through-holes；The actuators of 31- first；The actuators of 32- second；33- driving members；311- annular grooves；
312- graduation marks；The through holes of 321- second；322- centering graduation marks.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The overall explosive view one of the polarising means that Fig. 1 is provided for the utility model embodiment, Fig. 2 is implemented for the utility model
The overall installation diagram one of the polarising means that example is provided.Refer to Fig. 1 and Fig. 3, the polarising means that the present embodiment is provided, including polarization
Plate 1, installing platform 2 and drive mechanism 3；First through hole 21 is offered on installing platform 2, polarization plates 1 are located at the first through hole
In 21, drive mechanism 3 can drive polarization plates 1 to be rotated relative to installing platform 2.
During the polarising means provided using the present embodiment, drive mechanism 3 need to only be rotated to an angle, due to drive mechanism
3 with polarizing elements drive connection so that polarizing elements and the synchronous axial system of drive mechanism 3, when completing an experiment for special angle
Afterwards, the polarizing elements for reinstalling required set angle during to another set angle without original polarizing elements are removed need to be adjusted,
Drive mechanism 3 need to only be operated, you can the polarizing elements being installed on installing platform 2 is rotated to set angle.
Compared to prior art, the polarising means that the present embodiment is provided need to be only adjusted needed for drive device and then regulation experiment
Angle, so as to reduce the operating procedure of operating personnel, reaches the purpose for continuously adjusting polarizing elements angle, and then improve polarization
The property easy to use of device.
Please continue to refer to Fig. 1 and Fig. 2, specifically, drive mechanism 3 includes the first actuator 31, driving member being sequentially connected
33 and second actuator 32, the second actuator 32 is installed in first through hole 21 and can be rotated relative to installing platform 2；Second
There is the second through hole 321 on actuator 32 and the second through hole 321 is coaxially disposed with first through hole 21, polarization plates 1 are installed on
In second through hole 321.
Drive device is specifically divided into the first actuator 31, the actuator 32 of driving member 33 and second, is in order to preferably right
The angle of polarization plates 1 is adjusted, and in specific installation, third through-hole 23 is provided with installing platform, is easy to be driven first
Part 31 is installed on installing platform by third through-hole 23, and third through-hole 23 is step type hole, and the set-up mode is easy to the
The stabilization of one actuator 31 is installed on installing platform, and the second through hole 321 is set on the second actuator 32, is in order that must polarize
Plate 1 reaches the effect of its polarization direction and printing opacity that can adjust light, installing platform on set fluted, by driving member 33 not with
First actuator 31 and the coupling part of the second actuator 32 are placed in groove, and the driving of driving member 33 can be made more firm, are prevented
Driving member 33 comes off from the first actuator 31 and/or the second actuator 32 in transmission process, so as to reduce polarising means
Property easy to use.
When using, the first actuator 31 is first adjusted, because the second actuator 32 is passed with the first actuator 31 by driving member 33
Dynamic connection, then driving member 33 orders about the synchronous axial system respective angles of the second actuator 32, and polarization plates 1 are fixed at the second biography
On moving part 33, therefore reach the purpose that the first actuator 31 is adjusted in synchronism required set angle with polarization plates 1.
Please continue to refer to Fig. 1 and Fig. 2, specifically, based on above-mentioned polarising means, the first actuator 31 and the second actuator 32
The rotary body that can be rotated around own axes is, driving member 33 is transmission belt.
It can be to use around the rotary body of itself rotation that first actuator 31 and the second actuator 32 are disposed as
When be easy to the operation of the first actuator 31, so as to drive the rotation of the second actuator 32, and driving member 33 is set to transmission belt,
Because simple structure of the structure of transmission belt compared to other driving members 33, therefore be easy to implement, thus reduce manufacture into
This；Graduation mark 312 is provided with first actuator 31, is provided with to zero graduation line 22 on installing platform, be provided with polarization plates
Centering line 11, is provided with centering graduation mark 322, the The concrete specification of the high scale line 312 of the first actuator 31 on the second actuator 32
Set according to actually used situation；First make on graduation mark 312 on the first actuator 31 and installing platform to zero graduation line 22
Alignment so that the angle of the first actuator 31 is in zero degree, then makes on the actuator 32 of centering line 11 and second in polarization plates
Centering graduation mark 322 is aligned and installs, it is preferable that the centering line 11 in the present embodiment is two with centering graduation mark 322, just
In the centering of polarization plates, when using, only the first actuator 31 need to be dialed to required angle, driving member 33 drives the second actuator
32 rotations are so that polarization plates are rotated to required angle.
The overall explosive view two of the polarising means that Fig. 3 is provided for the utility model embodiment, Fig. 4 is implemented for the utility model
The overall installation diagram two of the polarising means that example is provided.Fig. 3 and Fig. 4 is referred to, specifically, the first actuator 31 and the second actuator
32 are drive gear, and driving member 33 is band tooth transmission belt, the first actuator 31 and the second actuator 32 respectively with the transmission
Part 33 is engaged.
First actuator 31 and the second actuator 32 are disposed as drive gear, and driving member 33 is set to band tooth transmission
Band, is to improve the transmission accuracy of the first actuator 31, the three of 33 and second actuator of driving member 32, effectively preventing in three
During driving, because driving member 33 causes transmission slip for transmission belt so that when needing to readjust another polarization angle
When, by the first driving member 33 to reversely stirring certain angle, then need to readjust to polarizing and need angle, What is more can cause
Transmission belt is caused to come off during driving so that regulation angle is forbidden.
In addition to above-mentioned set-up mode, can also be disposed as the first actuator 31 and the second actuator 32 can be around itself
The cylinder of axis rotation, and transmission belt is set to smooth transmission belt, such set-up mode causes easily manufactured, is easy to reality
It is existing.
And in the present embodiment, compared with the polarising means of high setting mode, selection driving member 33 is band tooth transmission belt to choice accuracy,
First actuator 31 and the second actuator 32 are the set-up mode of drive gear, and when in use, first drives the set-up mode
Part 31, the three of 33 and second actuator of driving member 32 are difficult to skid, and improve property easy to use.
The front view of the polarising means that Fig. 5 is provided for the utility model embodiment, please continue to refer to Fig. 3, Fig. 4 and Fig. 5, tool
Body ground, based on above-mentioned polarising means, the periphery of the second actuator 32 is forge piece of step type structure；The gear teeth of the second actuator 32 are arranged on
The region being relatively large in diameter on its periphery, the hole in the less region of diameter and first through hole 21 on the periphery of the second actuator 32
Wall is connected by bearing 4.
In the present embodiment, can be relatively rotated with installing platform 2 in order that obtaining bearing 4, it is preferable that bearing 4 is rolling
Bearing；During installation, first bearing 4 is arranged in the first through hole 21 of installing platform 2, then the second actuator 32 is installed in bearing
In 4, can be relatively rotated with installing platform 2 so as to reach the second actuator 32；And for the ease of installing, by the second actuator 32
Periphery be set to forge piece of step type structure, the gear teeth of the second actuator 32 set the region being relatively large in diameter on their outer circumference, transmission
The matching of band and the gear teeth be connected, and the less region of diameter on the periphery of the second actuator 32 is connected with bearing 4, bearing 4 and installs
Platform 2 is connected, so as to realize the second actuator 32 simultaneously with the connection of installing platform 2 and driving member 33.
The first through hole 21 opened up in the present embodiment is stepped hole, and its shape is matched with the shape of the second actuator 32,
The set-up mode so that the second actuator 32 is more convenient with the installation of installing platform 2, and improves the mounting stability of the two.
Please continue to refer to Fig. 3, Fig. 4 and Fig. 5, specifically, based on above-mentioned polarising means, the second through hole 321 is shoulder hole, partially
Vibration plate 1 is installed in the region being relatively large in diameter of the second through hole 321, and polarization plates 1 are oppositely arranged with the gear teeth of the second actuator 32.
The second through hole 321 on second actuator 32 is set to shoulder hole, and polarization plates 1 are installed in the second through hole 321
In the region being relatively large in diameter, be for the ease of polarization plates 1 are arranged on the second actuator 32, and in use, energy
Enough prevent polarization plates 1 from being dropped from the second through hole 321；Polarization plates 1 are oppositely arranged with the gear teeth of the second actuator 32, be in order that
Must manufacture more convenient, and driving member 33 can be made more convenient with engaging for the second actuator 32.
Further, for the specific set location of the gear teeth of above-mentioned first actuator 31, specifically, first drives
Annular groove 311 is provided with the periphery of part 31, the gear teeth of the first actuator 31 are arranged in annular groove 311.
Above-mentioned annular groove 311 is set, and the gear teeth on the first actuator 31 is arranged in annular groove 311, be for
It is easy to engaging for driving member 33 and first actuator 31, so as to prevent in use, when stirring the first actuator 31, passes
Moving part 33 comes off from the first actuator 31.
Please continue to refer to Fig. 3, Fig. 4 and Fig. 5, specifically, the periphery of the first actuator 31 is forge piece of step type structure；Annular groove
311 are arranged on the region being relatively large in diameter on the periphery of the first actuator 31, and the diameter on the periphery of the first actuator 31 is smaller
Region with installing platform 2 be connected by bearing 4.
For the ease of the first actuator 31 is arranged on installing platform 2, and prevent the first actuator in use
31 are come off from installing platform 2, and the periphery of the first actuator 31 is set into forge piece of step type structure, and install first on platform 2
Through hole 21 is also configured as step type, and the step type of first through hole 21 matches with the step type of the first actuator 31, is easy to the two
Connection, while preventing in use, the first actuator 31 is dropped from first through hole 21 so as to depart from installing platform 2；Ring
Connected in star 311 is arranged on the region being relatively large in diameter of the periphery of the first actuator 31, and the set-up mode can cause driving member 33
It is connected in the annular groove 311 of the first actuator 31, in use, driving member 33 can be prevented from the first actuator 31
Split away off, and the less region of diameter on the periphery of the first actuator 31 is connected with installing platform 2 by bearing 4 so that
First actuator 31 can be relatively rotated with installing platform 2.
Please continue to refer to Fig. 5, based on above-mentioned polarising means, specifically, the first actuator 31, driving member 33, second drive
The upper surface of part 32 is located in same level, is had between the central axis of the central axis of polarization plates 1 and the second through hole 321
Setting angle, it is described to set angle as 2 ° -4 °.
The upper surface of the first actuator 31, the actuator 32 of driving member 33 and second is arranged on same level, be in order to
It is easy to operation, in use, if three is not at same plane, transmission belt is likely to occur the first actuator 31 of disengaging
And/or second actuator 32, therefore three is set on the same plane, so as to improve property easy to use；The central shaft of polarization plates 1
Between the central axis of line and the second through hole 321 have angle, in other words, install polarization plates 1 when, polarization plates 1 relative to
Second actuator 32 is installed to incline, if the central axes of the central axis of polarization plates 1 and the second through hole 321, then when
Polarization plates 1 are when in use, it may appear that reflected light Interference Detection or the situation of observation, above-mentioned set-up mode, prevent from going out at polarization plates 1
Existing reflected light Interference Detection or the situation of observation, are easy to experiment and detection of the operator to required light source；Angle model will be set
Enclose and be arranged between 2 ° -4 °, if because angle is excessive, then the integral thickness for increasing device is difficult to meet instrument slot size
It is required that, if angle is too small, the reflective light path that is easily recovered is reclaimed.
Further, a kind of frequency microscope is also included in the present embodiment, also including polarising means as above, polarising means dress
If in the optical path.
In actual use, above-mentioned light path includes outer light path and interior light path, when article is observed or detected to needs
When, the polarising means provided in the present embodiment is provided in the optical path, when in use, polarising means only need to be adjusted, you can right
The angle of light source is adjusted, so as to improve the property easy to use of frequency microscope.
In the present embodiment, the specification of graduation mark 312 is 7.5 ° for a small lattice, because polarising means inclines installing in the optical path
In set angle, thus on centering graduation mark 322 on the second actuator 32 and installing platform to zero graduation line 22 in certain
Angle, the angle is equal with the set angle of polarising means and light path.
The specification of graduation mark 312 provided in the present embodiment is only one embodiment, tool of the specific scale according to user
Body is used and set, and centering graduation mark 322 on the second actuator 32 position and setting number also according to user tool
Body is used and set.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (9)
1. a kind of polarising means, it is characterised in that including polarization plates, installing platform and drive mechanism；
First through hole is offered on the installing platform, the polarization plates are located in the first through hole, the drive mechanism energy
The polarization plates are enough driven to be rotated relative to the installing platform；
The drive mechanism includes the first actuator, driving member and the second actuator that are sequentially connected, the second actuator dress
It is located in the first through hole and can be rotated relative to the installing platform；
There is the second through hole on second actuator and second through hole is coaxially disposed with the first through hole, the polarization
Plate is installed in second through hole.
2. polarising means according to claim 1, it is characterised in that first actuator and second actuator are equal
It is the rotary body that can be rotated around own axes, the driving member is transmission belt.
3. polarising means according to claim 2, it is characterised in that first actuator and second actuator are equal
Be drive gear, the driving member is band tooth transmission belt, first actuator and second actuator respectively with the biography
Moving part is engaged.
4. polarising means according to claim 3, it is characterised in that tied for stepped the periphery of second actuator
Structure；
The gear teeth of second actuator set the region being relatively large in diameter on their outer circumference, on the periphery of second actuator
The less region of diameter be connected by bearing with the hole wall of the first through hole.
5. polarising means according to claim 4, it is characterised in that second through hole is shoulder hole, the polarization plates
It is installed in the region being relatively large in diameter of second through hole, the polarization plates are relative with the gear teeth of second actuator to be set
Put.
6. polarising means according to claim 3, it is characterised in that be provided with annular on the periphery of first actuator
Groove, the gear teeth of first actuator are arranged in the annular groove.
7. polarising means according to claim 6, it is characterised in that tied for stepped the periphery of first actuator
Structure；
The annular groove is arranged on the region being relatively large in diameter on the periphery of first actuator, first actuator
The less region of diameter on periphery is connected with the installing platform by bearing.
8. polarising means according to claim 1, it is characterised in that first actuator, the driving member, described
The upper surface of two actuators is located in same level, the central axis of the central axis of the polarization plates and second through hole
Between have setting angle, it is described to set angle as 2 ° -4 °.
9. a kind of frequency microscope, including light path, it is characterised in that also including the polarising means as described in claim any one of 1-8,
The polarising means is installed in the light path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118628.2U CN206177459U (en) | 2016-10-13 | 2016-10-13 | Polarizing equipment and micro - appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118628.2U CN206177459U (en) | 2016-10-13 | 2016-10-13 | Polarizing equipment and micro - appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177459U true CN206177459U (en) | 2017-05-17 |
Family
ID=58678669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118628.2U Expired - Fee Related CN206177459U (en) | 2016-10-13 | 2016-10-13 | Polarizing equipment and micro - appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441566A (en) * | 2016-10-13 | 2017-02-22 | 天津职业技术师范大学 | Polarization device and microscope |
| CN109013782A (en) * | 2018-09-28 | 2018-12-18 | 大连绿云科技有限公司 | A kind of tubing bar folder and method |
-
2016
- 2016-10-13 CN CN201621118628.2U patent/CN206177459U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441566A (en) * | 2016-10-13 | 2017-02-22 | 天津职业技术师范大学 | Polarization device and microscope |
| CN106441566B (en) * | 2016-10-13 | 2018-03-02 | 天津职业技术师范大学 | Polarising means and frequency microscope |
| CN109013782A (en) * | 2018-09-28 | 2018-12-18 | 大连绿云科技有限公司 | A kind of tubing bar folder and method |
| CN109013782B (en) * | 2018-09-28 | 2023-11-14 | 大连绿云科技有限公司 | Pipe bending machine and method |
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Granted publication date: 20170517 Termination date: 20181013 |