CN207423783U - A kind of electronic paint film adhesion testing machine - Google Patents
A kind of electronic paint film adhesion testing machine Download PDFInfo
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- CN207423783U CN207423783U CN201721687627.4U CN201721687627U CN207423783U CN 207423783 U CN207423783 U CN 207423783U CN 201721687627 U CN201721687627 U CN 201721687627U CN 207423783 U CN207423783 U CN 207423783U
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- paint film
- cantilever beam
- driving motor
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- horizontal movable
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Abstract
The utility model proposes a kind of electronic paint film adhesion testing machines, belong to paint film technical field of measurement and test, solve the problems, such as that common hand testing machine the degree of automation is low, inconvenient for use, its key points of the technical solution are that, including：Engine base；The driving motor being assemblied on the engine base；The cantilever beam being fixed on the engine base is equipped on the cantilever beam and draws a circular knitting machine structure；On the engine base and along the cantilever beam extending direction set, horizontal movable base for installing model to be measured；Screw drive mutually assembled with the output terminal of the driving motor and that the horizontal movable base is driven to slide；And, be arranged on inside the cantilever beam, mutually assembled with the output terminal of the driving motor and the circular knitting machine structure of drawing is driven to rotate, coordinate the band actuation for skidding off helical form indentation in the upper surface of model to be measured with the horizontal movable base, achieve the purpose that the degree of automation for improving paint film adhesion testing machine.
Description
Technical field
The utility model is related to paint film test equipment field, more particularly to a kind of electronic paint film adhesion testing machine.
Background technology
The adhesive force of paint film refers to that paint film is combined by physics and chemical force effect with being attached to body surface
Strong degree.The adhesive force of paint film is one of the important indicator for examining paint film property, and the quality of adhesive force is related to entire mating
The quality of figure layer.Coating adhesion test instrument is the device that paint film adhesion performance is measured by drawing Circular test method.
The structure of existing Coating adhesion test instrument is usually：By engine base, rack, horizontal movable base, draw circular knitting machine structure and
Driving mechanism is formed, and is installed horizontal movable base in frame upper surface, in engine base one end installation frame, is pacified on the cantilever beam of rack
Dress draws circular knitting machine structure, by driving mechanism horizontal movable base is driven to move, while driving draws circular knitting machine structure and draws circle, on measured workpiece
Mark helical trajectory.
The driving mechanism of existing tester is mostly hand driving mechanism, i.e., is driven by rack-mounted rocking handle
Transmission mechanism in rack drives horizontal movable base and draws circle mechanism action.There are the degree of automation for existing hand tester
It is low, it is inconvenient for use the problem of.
Utility model content
The purpose of this utility model is to provide a kind of electronic paint film adhesion testing machine, with high degree of automation, conveniently
The advantages of use.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of electronic paint film attachment
Force tester, including：Engine base；The driving motor being assemblied on the engine base；The cantilever beam being fixed on the engine base, it is described outstanding
It is equipped on arm beam and draws circular knitting machine structure；On the engine base and along the cantilever beam extending direction set, for install treat
The horizontal movable base of test sample plate；It is mutually being assembled with the output terminal of the driving motor and drive what the horizontal movable base was slided
Screw drive；And be arranged on inside the cantilever beam, mutually assembled with the output terminal of the driving motor and drive
Described stroke of circular knitting machine structure rotates, with the horizontal movable base belt wheel for skidding off helical form indentation in the upper surface of model to be measured is coordinated to drive
Motivation structure.
By using above-mentioned technical proposal, paint film adhesion survey is carried out in the model to be measured to being fixed in horizontal movable base
During examination, start driving motor, on the one hand, driving motor drives horizontal movable base along cantilever beam extension side by screw drive
To movement；On the other hand, driving motor is driven by band actuation and draws the rotation of circular knitting machine structure, makes to draw circular knitting machine structure in model to be measured
Upper surface mark helical form indentation；This experiment that paint film adhesion is realized by the way of driving motor driving, is had certainly
The advantages of dynamicization degree is high, easy to operate, test result accuracy is high.
The further setting of the utility model, the screw drive include：It is driven by the output terminal of the driving motor
The first gear that turn is moved；Consolidate along the extending direction rolling assembling of the cantilever beam on the engine base, with the first gear
Surely the screw assembled；And it fixes and movable is assemblied on the screw and with the screw with the horizontal movable base
Rotation drive the sliding block that the axial direction of the horizontal movable base along the screw slides.
By using above-mentioned technical proposal, screw drive drives the side of horizontal movable base slip using screw rod transmission
Formula, the stability in horizontal movable base sliding process is good, so that model to be measured moves with horizontal movable base and carries out adhesive force
The accuracy of test is high.
The further setting of the utility model is provided with one on the engine base and sets, supplies along the axial direction of the screw
The sliding slot that the sliding block slides.
By using above-mentioned technical proposal, sliding slot to the movement of sliding block there are one guiding role, during making slide block movement
Stability higher.
The further setting of the utility model, the band actuation include：With the output terminal phase of the driving motor
The driving wheel of assembling；The shaft set along the extending direction of the cantilever beam；The driven wheel being securely fitted in the shaft；Set
Be located at it is between the driving wheel and the driven wheel, drive the shaft around its axis with the rotation of the driving motor output terminal
To the belt of rotation；And the shaft is securely fitted in close to described stroke of circular knitting machine structure one end and the circular knitting machine structure of drawing is driven to turn
Dynamic active oblique gear.
By using above-mentioned technical proposal, driving motor in a manner that belt drives shaft to rotate, compared with chain and
Gear-driven mode is compared, and the cost of belt transmission is low, and is not susceptible to stuck phenomenon, convenient for safeguarding.
The further setting of the utility model, described stroke of circular knitting machine structure include：Rolling assembling is one vertical the cantilever beam
Sleeve in through hole；With the sleeve fixing assembling and by the driven helical gear of active oblique gear engaged transmission；It is assemblied in
The eccentric wheel that sleeve axle center described in the sleeve lower end, its axis deviation is set；And it is securely fitted under the eccentric wheel
Side, stroke knife for marking indentation in the upper surface of model to be measured with the rotation of the eccentric wheel.
By using above-mentioned technical proposal, shaft passes through active oblique gear and driven helical gear engagement band moving sleeve
And fixed eccentric wheel under a bushing rotates, due to the axle center of the axle center offset sleeve of eccentric wheel so that be fixed on eccentric wheel
A stroke knife for lower section can be done with the rotation of eccentric wheel draws a circular motion, realizes with the mesh for drawing Circular test method measure paint film adhesion performance
's.
The further setting of the utility model, described stroke of circular knitting machine structure further include：It is arranged in the sleeve, with the sleeve
Rotation and lower end and the vertical shaft of the eccentric wheel fixing assembling；The upper end that is assemblied in the vertical shaft, the support for carrying counterweight
Disk；And it is set on the vertical shaft and both ends are plugged on the spring on the sleeve and the vertical shaft respectively.
By using above-mentioned technical proposal, the counterweight on pallet applies a downward effect by vertical shaft to eccentric wheel
Power so that drawing knife acts on the pressure bigger for treating test sample plate upper surface, facilitates the weight according to counterweight on pallet more smart
Really judge the rank of model upper surface to be measured adhesive force.
The further setting of the utility model, the corner of the horizontal movable base are mounted on vertically arranged screw rod, together
Activity is equipped with press strip on two screw rods of one side, and the partial threads that the screw rod stretches out the press strip are equipped with to erect
It is pressed downward the press strip, so that model to be measured is pressed on the adjusting bolt in horizontal movable base by the press strip.
By using above-mentioned technical proposal, model to be measured is placed in horizontal movable base, test sample will be treated with two press strips
The both ends of plate are pushed down, and rotate adjusting bolt, press strip is enable to press tighter by model to be measured, make to draw circular knitting machine structure in model upper table to be measured
When indentation is marked in face, model to be measured is not susceptible to move, so that the paint film adhesion test process of model upper surface to be measured is more
Add stabilization.
In conclusion the utility model has the advantages that：In the model to be measured to being fixed in horizontal movable base
When carrying out paint film adhesion test, start driving motor, on the one hand, driving motor is moved horizontally by screw drive drive
Seat is moved along cantilever beam extending direction；On the other hand, driving motor is driven by band actuation and draws the rotation of circular knitting machine structure, makes to draw
Circular knitting machine structure marks helical form indentation in the upper surface of model to be measured；It is this to realize that paint film adheres to by the way of driving motor driving
The experiment of power, high degree of automation, easy to operate, test result accuracy is high.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the internal structure schematic diagram of the utility model embodiment, and which part has cut off to show its internal structure；
Fig. 3 is the connection relationship diagram of horizontal movable base in the utility model embodiment, press strip and adjusting bolt.
Reference numeral：1st, engine base；2nd, driving motor；3rd, cantilever beam；4th, circular knitting machine structure is drawn；41st, sleeve；42nd, driven helical gear；
43rd, eccentric wheel；44th, knife is drawn；45th, vertical shaft；46th, spring；47th, pallet；5th, horizontal movable base；6th, screw drive；61st, first
Gear；62nd, screw；63rd, sliding block；7th, band actuation；71st, driving wheel；72nd, shaft；73rd, driven wheel；74th, belt；75th, it is main
Dynamic helical gear；8th, sliding slot；9th, screw rod；10th, press strip；11st, adjusting bolt；12nd, model to be measured.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
A kind of electronic paint film adhesion testing machine as depicted in figs. 1 and 2, including engine base 1, cantilever beam is fixed on engine base 1
3,3 lower end of cantilever beam is installed with driving motor 2 with 1 fixed one side of engine base, and the end of 3 hanging one end of cantilever beam is equipped with
Circular knitting machine structure 4 is drawn, engine base 1 is provided with to install the horizontal movable base 5 of model 12 to be measured, draws 4 lower section of circular knitting machine structure and is equipped with direction
What 5 direction of horizontal movable base was set draws knife 44.The output terminal of driving motor 2 is equipped with screw drive 6, and driving motor 2 is logical
Screw drive 6 is crossed to drive horizontal movable base 5 on engine base 1 and slide along the extending direction of cantilever beam 3, driving motor 2
Output terminal is also equipped with being arranged on the band actuation 7 of 3 inner cavity of cantilever beam, and driving motor 2 is driven by band actuation 7
It draws circular knitting machine structure 4 to rotate, draws the rotation of circular knitting machine structure 4 and the horizontal movement cooperation of horizontal movable base 5, make to draw drawing for 4 lower section of circular knitting machine structure
Knife 44 skids off helical form indentation in the upper surface of model 12 to be measured, so as to which the adhesive force for treating 12 upper surface of test sample plate is surveyed
Examination.This experiment that paint film adhesion is realized by the way of the driving of driving motor 2, high degree of automation, easy to operate, test
As a result accuracy is high.
Screw drive 6 includes the first gear 61 by gear engaged transmission with the output terminal of driving motor 2, and first
61 fixing assembling of gear has to be rotated and the movable screw 62 being assemblied on engine base 1 with first gear 61, the axial direction side of screw 62
To identical with the extending direction of cantilever beam 3,62 Screw assembly of screw has to be slided with the rotation of screw 62 along the axial direction of screw 62
Dynamic sliding block 63, sliding block 63 are fixedly connected with horizontal movable base 5.Screw drive 6 drives horizontal move using the transmission of screw 62
The mode that dynamic seat 5 slides, the stability in 5 sliding process of horizontal movable base is high, so that model to be measured 12 is with horizontal movable base 5
The accuracy for moving and carrying out adhesive force test is higher.
A sliding slot 8 for setting and supplying sliding block 63 to slide along the axial direction of screw 62 is provided on engine base 1, sliding slot 8 is to cunning
The movement of block 63 makes the stability higher in 63 motion process of sliding block there are one guiding role.
Band actuation 7 includes：It is securely fitted in driving wheel 71 on the output terminal of driving motor 2, along cantilever beam 3
Extending direction is rotatably installed in the shaft 72 of 3 inner cavity of cantilever beam, the driven wheel 73 being securely fitted in shaft 72, is set in actively
Wheel 71 and driven wheel 73 between, with 2 output terminal of driving motor rotation drive shaft 72 around its axial rotation belt 74, with
And shaft 72 is securely fitted in close to the one end for drawing circular knitting machine structure 4 and drives the active oblique gear 75 drawn circular knitting machine structure 4 and rotated.Driving
Motor 2 is in a manner that belt 74 drives shaft 72 to rotate, compared with chain drive and gear-driven mode, belt 74
The cost of transmission is low, and is not susceptible to stuck phenomenon, convenient for safeguarding.
Drawing circular knitting machine structure 4 includes rolling assembling the sleeve 41 in a vertical through holes of cantilever beam 3, and peace is fixed in 41 periphery of sleeve
Equipped with driven helical gear 42, driven helical gear 42 engages with active oblique gear 75 and by the axial rotation band moving sleeve 41 of shaft 72
The axial rotation around its own is done, the lower end of sleeve 41 is also installed with the shaft core position phase deviation of shaft core position and sleeve 41
Eccentric wheel 43, draw knife 44 be fixedly mounted on the lower section of eccentric wheel 43 and with eccentric wheel 43 rotation in the upper surface of model 12 to be measured
It does and draws circular motion, achieve the purpose that measure paint film adhesion performance with stroke Circular test method.
Circular knitting machine structure 4 is drawn to further include and be arranged on the vertical shaft 45 that 41 center of sleeve is rotated with sleeve 41, the lower end of vertical shaft 45 with it is inclined
Heart wheel 43 is fixedly connected, and the upper end of vertical shaft 45 is fixed with to carry the pallet 47 of counterweight, and vertical shaft 45 is close to the one of eccentric wheel 43
End cap is equipped with the spring 46 in compressive state, and the both ends of spring 46 are plugged on sleeve 41 and vertical shaft 45 respectively.On pallet 47
Counterweight applies a downward active force by vertical shaft 45 to eccentric wheel 43, is treated so that drawing knife 44 and acting on test sample plate 12
The pressure bigger on surface facilitates and more accurately judges that 12 upper surface adhesive force of model to be measured according to the weight of counterweight on pallet 47
Rank.
As shown in figure 3, the corner of horizontal movable base 5 is mounted on vertically arranged screw rod 9, two screw rods 9 of the same side
On be vertically movably installed with press strip 10, the partial threads that screw rod 9 stretches out press strip 10 are equipped with adjusting bolt 11, are rotated to a direction
Adjusting bolt 11, adjusting bolt 11, which vertically pushes press strip 10, makes press strip 10 that model 12 to be measured is pressed in horizontal movable base 5.It adjusts
The setting of bolt 11 is saved, press strip 10 is enable to press tighter by model 12 to be measured, makes to draw circular knitting machine structure 4 in 12 upper surface of model to be measured stroke
When going out indentation, model 12 to be measured is not susceptible to move, so that the paint film adhesion test process of 12 upper surface of model to be measured is more
Add stabilization.
The course of work of the electronic paint film adhesion testing machine is as follows：Model 12 to be measured is first placed on horizontal movable base 5
On, the both ends of model 12 to be measured are pressed respectively against with two pieces of press strips 10, and four adjusting bolts 11 are rotated to a direction, make press strip 10
Model 12 to be measured is pressed in horizontal movable base 5；Start driving motor 2 afterwards, driving motor 2 passes through screw drive machine respectively
Structure 6 drives horizontal movable base 5 to be moved horizontally on engine base 1 along 3 extending direction of cantilever beam and simultaneously by band actuation
7 drive stroke 4 own rotation of circular knitting machine structure, make to be fixed on to draw and draw the model 12 relatively to be measured of knife 44 on 4 lower section eccentric wheel 43 of circular knitting machine structure
It spins movement, and indentation is marked on model 12 to be measured, so as to measure the paint film adhesion rank of 12 upper surface of model to be measured,
Achieve the purpose that automation measures paint film adhesion performance with Circular test method is drawn, there is high degree of automation, easy to operate, test
As a result the advantages of accuracy is high.
Claims (7)
1. a kind of electronic paint film adhesion testing machine, which is characterized in that including：
Engine base (1)；
The driving motor (2) being assemblied on the engine base (1)；
The cantilever beam (3) being fixed on the engine base (1) is equipped on the cantilever beam (3) and draws a circular knitting machine structure (4)；
On the engine base (1) and along the cantilever beam (3) extending direction set, level for installing model to be measured
Mobile base (5)；
Screw drive machine mutually assembled with the output terminal of the driving motor (2) and that the horizontal movable base (5) is driven to slide
Structure (6)；And
It is internal, mutually being assembled with the output terminal of the driving motor (2) and described draw is driven to justify to be arranged on the cantilever beam (3)
Mechanism (4) rotates, coordinates the band wheel drive that helical form indentation is skidded off in the upper surface of model to be measured with the horizontal movable base (5)
Mechanism (7).
A kind of 2. electronic paint film adhesion testing machine according to claim 1, which is characterized in that the screw drive
(6) include：
The first gear (61) rotated by the output terminal driving of the driving motor (2)；
Along the extending direction rolling assembling of the cantilever beam (3) dress is fixed on the engine base (1), with the first gear (61)
The screw (62) matched somebody with somebody；And
And movable be assemblied in the screw (62) on and with the screw (62) fixed with the horizontal movable base (5) turns
The dynamic sliding block (63) for driving the horizontal movable base (5) along the axial direction slip of the screw (62).
3. a kind of electronic paint film adhesion testing machine according to claim 2, which is characterized in that set on the engine base (1)
It is equipped with a sliding slot (8) for setting, being slided for the sliding block (63) along the axial direction of the screw (62).
A kind of 4. electronic paint film adhesion testing machine according to claim 1, which is characterized in that the band actuation
(7) include：
The driving wheel (71) mutually assembled with the output terminal of the driving motor (2)；
The shaft (72) set along the extending direction of the cantilever beam (3)；
The driven wheel (73) being securely fitted in the shaft (72)；
It is set in rotation between the driving wheel (71) and the driven wheel (73), with the driving motor (2) output terminal
The shaft (72) is driven around the belt (74) of its axial rotation；And
It is securely fitted in the shaft (72) and draws what circular knitting machine structure (4) rotated described in circular knitting machine structure (4) one end and drive close to described draw
Active oblique gear (75).
A kind of 5. electronic paint film adhesion testing machine according to claim 4, which is characterized in that described stroke of circular knitting machine structure (4)
Including：
Sleeve (41) of the rolling assembling in a vertical through holes of the cantilever beam (3)；
With the sleeve (41) fixing assembling and by the driven helical gear (42) of the active oblique gear (75) engaged transmission；
It is assemblied in the sleeve (41) lower end, the eccentric wheel (43) that sleeve (41) axle center described in its axis deviation is set；And
It is securely fitted in below the eccentric wheel (43), marked with the rotation of the eccentric wheel (43) in the upper surface of model to be measured
Indentation draws knife (44).
A kind of 6. electronic paint film adhesion testing machine according to claim 5, which is characterized in that described stroke of circular knitting machine structure (4)
It further includes：
It is arranged in the sleeve (41), with the sleeve (41) rotation and lower end and the eccentric wheel (43) fixing assembling
Vertical shaft (45)；
It is assemblied in the upper end of the vertical shaft (45), for carrying the pallet of counterweight (47)；And
It is set on the vertical shaft (45) and both ends is plugged on the spring on the sleeve (41) and the vertical shaft (45) respectively
(46)。
A kind of 7. electronic paint film adhesion testing machine according to claim 1, which is characterized in that the horizontal movable base
(5) corner is mounted on vertically arranged screw rod (9), on two screw rods (9) of the same side activity be equipped with press strip
(10), the screw rod (9) stretch out the press strip (10) partial threads be equipped with vertically to push the press strip (10), so that
Model to be measured is pressed on the adjusting bolt (11) in the horizontal movable base (5) by the press strip (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687627.4U CN207423783U (en) | 2017-12-06 | 2017-12-06 | A kind of electronic paint film adhesion testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687627.4U CN207423783U (en) | 2017-12-06 | 2017-12-06 | A kind of electronic paint film adhesion testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423783U true CN207423783U (en) | 2018-05-29 |
Family
ID=62397123
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721687627.4U Active CN207423783U (en) | 2017-12-06 | 2017-12-06 | A kind of electronic paint film adhesion testing machine |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593480A (en) * | 2018-07-20 | 2018-09-28 | 佛山市质量计量监督检测中心 | One kind drawing lattice detection machine and its method |
| CN111337427A (en) * | 2020-03-14 | 2020-06-26 | 棕婉科技(上海)有限公司 | Paint performance detection device |
| CN112198113A (en) * | 2020-11-10 | 2021-01-08 | 东莞市恒宇仪器有限公司 | Tester for adhesive force of correction tape |
| CN113188998A (en) * | 2021-04-14 | 2021-07-30 | 周世通 | Insulating varnish adhesive force detection device based on tension detection |
| CN113465867A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Single-side single-blade-grid high-speed wind tunnel gust simulation device |
| CN113465870A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Single-side parallel blade grid high-speed wind tunnel gust simulation device |
| CN113465868A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | High-speed wind tunnel gust simulation device with two parallel blade grids on two sides |
| CN113465869A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | High-speed wind tunnel gust simulation device with two side blade grids |
| CN113465871A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Parallel binary cascade high-speed wind tunnel gust simulation device |
| CN113567085A (en) * | 2021-08-20 | 2021-10-29 | 中国空气动力研究与发展中心高速空气动力研究所 | Binary cascade high-speed wind tunnel gust simulation device |
| CN114871143A (en) * | 2022-07-07 | 2022-08-09 | 溧阳市诚亿布业有限公司 | Coating oxford conveying and testing device |
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2017
- 2017-12-06 CN CN201721687627.4U patent/CN207423783U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593480A (en) * | 2018-07-20 | 2018-09-28 | 佛山市质量计量监督检测中心 | One kind drawing lattice detection machine and its method |
| CN108593480B (en) * | 2018-07-20 | 2024-08-23 | 佛山市质量计量监督检测中心 | Scribing detector and method thereof |
| CN111337427A (en) * | 2020-03-14 | 2020-06-26 | 棕婉科技(上海)有限公司 | Paint performance detection device |
| CN112198113A (en) * | 2020-11-10 | 2021-01-08 | 东莞市恒宇仪器有限公司 | Tester for adhesive force of correction tape |
| CN113188998A (en) * | 2021-04-14 | 2021-07-30 | 周世通 | Insulating varnish adhesive force detection device based on tension detection |
| CN113465868A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | High-speed wind tunnel gust simulation device with two parallel blade grids on two sides |
| CN113465870A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Single-side parallel blade grid high-speed wind tunnel gust simulation device |
| CN113465869A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | High-speed wind tunnel gust simulation device with two side blade grids |
| CN113465871A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Parallel binary cascade high-speed wind tunnel gust simulation device |
| CN113567085A (en) * | 2021-08-20 | 2021-10-29 | 中国空气动力研究与发展中心高速空气动力研究所 | Binary cascade high-speed wind tunnel gust simulation device |
| CN113465867A (en) * | 2021-08-20 | 2021-10-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Single-side single-blade-grid high-speed wind tunnel gust simulation device |
| CN114871143A (en) * | 2022-07-07 | 2022-08-09 | 溧阳市诚亿布业有限公司 | Coating oxford conveying and testing device |
| CN114871143B (en) * | 2022-07-07 | 2022-09-23 | 溧阳市诚亿布业有限公司 | Coating oxford conveying and testing device |
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