CN110320125A - A kind of horizontal mobile device for reciprocating corrosion fretting apparatus - Google Patents
A kind of horizontal mobile device for reciprocating corrosion fretting apparatus Download PDFInfo
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- CN110320125A CN110320125A CN201910760544.0A CN201910760544A CN110320125A CN 110320125 A CN110320125 A CN 110320125A CN 201910760544 A CN201910760544 A CN 201910760544A CN 110320125 A CN110320125 A CN 110320125A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/024—Corrosive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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Abstract
The invention discloses a kind of horizontal mobile devices for reciprocating corrosion fretting apparatus, including driving plate, drive rod, linear bearing seat and slider-crank mechanism and driving motor, driving plate is horizontal L-type structure, bending end is fixedly connected with drive rod one end, drive rod is connected in support plate by linear bearing seat, the drive rod other end is connected to the motor shaft of driving motor by slider-crank mechanism, driving motor is fixedly connected on the supporting plate, support plate is fixedly connected on cushion block, and driving plate is fixedly connected on the sliding block of horizontal linear guide rail in company with lower fixture.The present invention realizes the transverse shifting of sample using motor driven, it is driven using slider-crank mechanism, fine motion precision is high, and load is steady, and it is adjustable to move back and forth frequency (controlling frequency using the revolving speed of control motor), equipment volume is small, sample displacement is realized using linear guide, guiding accuracy is high, driving motor rotation driving driving plate transverse shifting, conveniently moving is quick, and rapid reaction is sensitive.
Description
Technical field
The present invention relates to a kind of horizontal mobile devices for reciprocating corrosion fretting apparatus, belong to fretting wear
Testing machine technical field.
Background technique
Fretting wear refers to the fricting movement occurred between the contact surface for having infinitesimal displacement amplitude, and general displacement amplitude is micro-
In rice order magnitude range, the friction under the working condition of the less stationaries such as fatigue load, mechanical oscillation, electric and magnetic oscillation or thermal cycle is
For fine motion friction, movement has concealment, but its harm is really it will be apparent that fine motion can cause material contact surface broken
It is bad, it cracks, even results in the failure of whole system.Related research institutes research shows that, the whole world is every year about
The energy of 30%-50% consumes in friction in a variety of manners, and caused economic loss is huge, about 80% machine components
Since various frictions cause to fail.Due to the degree of impairment that salt air corrosion is worn in aerospace and marine ship use process
Compare badly, if increasing the research in terms of corroding abrasion mechanism and taking adequate measures, so that it may greatly save the energy
The consumption of resource.Therefore the research of corrosion friction-wear test corrodes fretting wear essence of phenomena for disclosing, and correctly evaluates
Influence of the various factors to material corrosion friction and wear behavior has important directive function.Corroding friction wear testing machine can be compared with
For close to simulation actual condition environment, for explore and verify corrosion friction and wear mechanics in Practical Project machinery and its
Influence factor, to take appropriate action to slow down fretting wear, the corrosion resistance of reinforcing material is of great significance.
" a kind of thin tail sheep reciprocating type rolling friction-wear test disclosed in Chinese patent (notification number CN201689023U)
Machine " is using driving source of the Hydrauservo System as fine motion, and this driving method advantage is that big driving force, amplitude and frequency become
It is wide to change range, but its precision is low, technology is complicated, hydraulic system easy oil leakage, equipment volume are big, may not apply to high-precision small sample
The load of side crops industry.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of lateral shifting for reciprocating corrosion fretting apparatus
Dynamic device, to solve above-mentioned problems of the prior art.
The technical scheme adopted by the invention is as follows: a kind of transverse shifting dress for reciprocating corrosion fretting apparatus
It sets, including driving plate, drive rod, linear bearing seat and slider-crank mechanism and driving motor, driving plate is horizontal L-type structure,
Bending end is fixedly connected with drive rod one end, and drive rod is connected in support plate by linear bearing seat, and the drive rod other end passes through
Slider-crank mechanism is connected to the motor shaft of driving motor, and driving motor is fixedly connected on the supporting plate, and support plate is fixedly connected
On cushion block, driving plate is fixedly connected on the sliding block of horizontal linear guide rail in company with lower fixture.
Preferably, non-contact displacement transducer is installed, non-contact displacement transducer face is driven in above-mentioned support plate
The bending end of movable plate.
Preferably, above-mentioned salt fog cabinet front seal is equipped with chamber door, and chamber door lower end is hinged on salt fog cabinet, after upper end cover closes
Middle part is clamped admittedly using quick-clamping, and quick-clamping pincers are mounted on salt fog cabinet.
Preferably, above-mentioned driving plate segmentum laterale is connected on salt fog cabinet lateral surface by rectangle telescopic.
Preferably, above-mentioned lower fixture is plate structure, and upper surface middle part is provided with the groove for placing band sample, groove side
Face is provided with the stud of locking sample.
Beneficial effects of the present invention: compared with prior art, effect of the present invention is as follows:
(1) present invention realizes the transverse shifting of sample using motor driven, is driven using slider-crank mechanism, and fine motion precision is high,
Load is steady, moves back and forth that frequency (controlling frequency using the revolving speed of control motor) is adjustable, and equipment volume is small, lead using straight line
Rail realizes sample displacement, and guiding accuracy is high, and driving motor rotation driving driving plate transverse shifting, conveniently moving is quick, instead
Answer rapid sensitive, using contactless displacement sensor, can real-time monitoring fine motion change in displacement, and pass through pressure and sense
Device can monitor the friction push-pull effort of sample moving direction.
Detailed description of the invention
Fig. 1 is testing machine schematic perspective view；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the isometric view of abrasion tester；
Fig. 4 is upper fixture junction structural schematic diagram.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
Embodiment 1: as Figure 1-Figure 4, a kind of horizontal mobile device for reciprocating corrosion fretting apparatus,
The horizontal mobile device includes that horizontal mobile device includes driving plate 18, drive rod 22, linear bearing seat 27 and crank block machine
Structure 26 and driving motor 24, driving plate 18 are horizontal L-type structure, and bending end is fixedly connected with 22 one end of drive rod, and drive rod 22 is logical
It crosses linear bearing seat 27 to be connected in support plate 28,22 other end of drive rod is connected to driving motor by slider-crank mechanism 26
24 motor shaft, driving motor 24 are fixedly connected in support plate 28, and support plate 28 is fixedly connected on cushion block 25, driving plate 18
It is fixedly connected on the sliding block of horizontal linear guide rail 4 in company with lower fixture 5, slider-crank mechanism is by the rotation of the motor shaft of driving motor
Transhipment turn is changed to the linear motion of drive rod, to realize that driving plate moves back and forth, realizes reciprocating corrosion fretting wear examination
It tests.
Preferably, non-contact displacement transducer 23, non-contact displacement transducer 23 are installed in above-mentioned support plate 29
The bending end of face driving plate 18, non-contact displacement transducer 23 use laser displacement sensor, laser displacement sensor
Reflection end is mounted in driving plate 18, for acquiring displacement data.
Preferably, above-mentioned 16 front seal of salt fog cabinet is equipped with chamber door 19, and 19 lower end of chamber door is hinged on salt fog cabinet 16, on
Middle part is mounted on salt fog cabinet 16 using 17 fastening of quick-clamping pincers, quick-clamping pincers 17 after end cap closes, chamber door 19 and salt fog cabinet
Seal gasket is set between 16, and the sealing that can fast implement chamber door is fixed.
Preferably, above-mentioned 18 segmentum laterale of driving plate is connected on 16 lateral surface of salt fog cabinet by rectangle telescopic 21, can
It realizes the sealing between driving plate and salt fog cabinet, avoid preventing salt fog to the corrosion of other assemblies and stablizes internal concentration of saline fog.
Preferably, above-mentioned lower fixture 5 is plate structure, and upper surface middle part is provided with the groove for placing band sample 31, recessed
Slot side is provided with the stud 32 of locking sample 31.
Embodiment 2: as Figure 1-Figure 4, a kind of reciprocating corrosion fretting apparatus, including bottom plate 20, salt fog cabinet
16, vertical loading device and horizontal mobile device, 16 lower ending opening of salt fog cabinet, 20 fixed seal connection of bottom plate is under salt fog cabinet 16
End, the guide rail bar that supporting block 3 is fixedly connected in the middle part of bottom plate 1, is fixedly connected with horizontal linear guide rail 4 in supporting block 3 are horizontal straight
Horizontal mobile device and lower fixture 5 are connected on the sliding block of line guide rail 4, vertical loading device lower end is sequentially installed with pressure sensing
Device 8 and upper fixture 7 with lower 5 face of fixture, vertical loading device movable sealing pass through 16 top of salt fog cabinet, horizontal mobile device
Movable sealing passes through 16 side wall of salt fog cabinet, and the salt fog that connection salt day with fog is provided on rear side of salt fog cabinet 16 occurs mouth 14 and is equipped with salt
Mist humidity sensor 6, bottom plate 20 are fixedly connected on pedestal 1.
Preferably, above-mentioned vertical loading device includes Weight box 13 and load bar 9, and Weight box 13 is fixedly connected on load bar
9 upper ends, 9 side of load bar are fixedly connected on the guide rail bar on vertical lines guide rail 11, and the sliding block of vertical lines bearing 11 is fixed
11 one end of pull pressure sensor is connected, 11 other end of pull pressure sensor is fixedly connected on adapter 10, and adapter 10 is fixed
It is connected on support frame 2, support frame 2 is fixedly connected on pedestal 1, on load bar 9 and salt fog cabinet 16(load bar insertion salt fog cabinet
At lateral through aperture) between keep gap, be convenient for pull or press force test frictional force size.
Preferably, above-mentioned 9 segmentum laterale of load bar passes through round telescopic 15 and is connected on 16 lateral surface of salt fog cabinet, Neng Goushi
Sealing between existing load bar and salt fog cabinet avoids preventing salt fog to the corrosion of other assemblies and stablizes internal concentration of saline fog.
Preferably, above-mentioned horizontal mobile device includes driving plate 18, drive rod 22, linear bearing seat 27 and crank block machine
Structure 26 and driving motor 24, driving plate 18 are horizontal L-type structure, and bending end is fixedly connected with 22 one end of drive rod, and drive rod 22 is logical
It crosses linear bearing seat 27 to be connected in support plate 28,22 other end of drive rod is connected to driving motor by slider-crank mechanism 26
24 motor shaft, driving motor 24 are fixedly connected in support plate 28, and support plate 28 is fixedly connected on cushion block 25, crank block
The rotary motion of the motor shaft of driving motor is converted to the linear motion of drive rod by mechanism, to realize that driving plate is back and forth transported
It is dynamic, realize reciprocating corrosion fretting wear test.
Preferably, non-contact displacement transducer 23, non-contact displacement transducer 23 are installed in above-mentioned support plate 29
The bending end of face driving plate 18, non-contact displacement transducer 23 use laser displacement sensor, laser displacement sensor
Reflection end is mounted in driving plate 18, for acquiring displacement data.
Preferably, above-mentioned 16 front seal of salt fog cabinet is equipped with chamber door 19, and 19 lower end of chamber door is hinged on salt fog cabinet 16, on
Middle part is mounted on salt fog cabinet 16 using 17 fastening of quick-clamping pincers, quick-clamping pincers 17 after end cap closes, chamber door 19 and salt fog cabinet
Seal gasket is set between 16, and the sealing that can fast implement chamber door is fixed.
Preferably, above-mentioned 18 segmentum laterale of driving plate is connected on 16 lateral surface of salt fog cabinet by rectangle telescopic 21, can
It realizes the sealing between driving plate and salt fog cabinet, avoid preventing salt fog to the corrosion of other assemblies and stablizes internal concentration of saline fog.
Pull pressure sensor 11, pressure sensor 8, displacement sensor 23 and salt fog humidity sensor 6 are connected to data and adopt
Collect terminal, data collection station is connected to host computer.
Salt fog cabinet 16 uses corrosion-resistant stronger acrylic board, and internal upper fixture 7, lower fixture 5,9 surface of load bar are set
Set corrosion-resistant finishes.
Preferably, above-mentioned lower fixture 5 is plate structure, and upper surface middle part is provided with the groove for placing band sample, groove
Side is provided with the stud of locking sample.
Preferably, above-mentioned upper fixture 7 is step axle construction, as shown in figure 4, the upside step of upper fixture 7 is inserted into load
Inside 9 lower end of bar, 8 sets of pressure sensor on the upside step of upper fixture 7, both ends of the surface bear against 9 lower end surface of load bar
With upside step lower end surface, through-hole is arranged in 7 inner length of upper fixture, and setting spherical is (with abrading-ball sphere diameter phase at through-hole lower end surface
Deng), abrading-ball 30 is placed at spherical, and locking abrading-ball 30,29 lower end of lock-screw are inserted into from through-hole upper end using lock-screw 29
Setting table stage, step platform lower end surface are provided with the equal spherical groove of 30 sphere diameter of abrading-ball, in upper fixture 7 and 9 lower end of load bar
Interporal lacuna cooperation.
Upper fixture 7 is designed as abrading-ball special fixture, is linked together by lock-screw and the pressure sensor on top 8,
Pressure sensor 8 is resisted against between upper fixture 7 and load bar 9, and the load of the Weight box at top is transmitted to steel by load bar 9
On abrading-ball 30, and by reading data in pressure sensor；Lower fixture 5 locks sample using the clamping mode of stud 32 and groove
31, driving plate is linked together by the sliding block of bolt and the linear guide of bottom, outside driving plate with pass through screw and crank
The drive rod connection that slide block mechanism 26 connects, 26 other end of slider-crank mechanism link together with driving motor 24, support plate
On laser displacement sensor is installed, the reflection end of laser displacement sensor is mounted in driving plate 18, for acquiring displacement number
According to salt fog access port 14 accesses salt day with fog, measures feedback concentration of saline fog variation, load bar 9 and salt by salt fog humidity sensor 6
Be sealed at fog chamber 16 by column sealed telescopic 15, using Rectangular Elastic telescopic 21 to driving plate and salt fog cabinet 16 into
Row sealing, 16 bottom of box of salt fog cabinet are sealed using salt fog cabinet bottom plate 20 and salt fog cabinet 16, using quick-clamping pincers 17 and case lid
19 combination simultaneously encrypts seal and is sealed to cabinet.
The present invention using servo driving motor as power source, the equipment revolving speed is easy to control, precision is high, frequency can
It adjusts, signal is controlled by control system computer program, it may be achieved multi-signal drives (sine wave, triangular wave and rectangular wave etc.)；
Using high-precision linear bearing as carriage, the frictional resistance in reciprocating stroke is reduced, the accuracy of experiment is improved, for corruption
The research of erosion fretting wear provides a kind of reliable experimental facilities.
A kind of horizontal mobile device for reciprocating corrosion fretting apparatus, specific experimental method are as follows: real
The smog box and bottom plate of experiment are installed together with screw before testing, while being packed into abrading-ball, in lower fixture in upper fixture
It is packed into sample to be tested, the stud by rotating lower fixture side fastens sample, revolves to abrading-ball by upper fixture
Turn to be clamped installation, after installing abrading-ball and sample, chamber door quick-clamping pincers are sealed, mouth is occurred by salt fog and is connect
Enter salt day with fog, and salt fog humidity sensor is housed, mouth is occurred to the salt fog inside entire experimental machine by salt fog when experiment
Concentration is adjusted, and when reaching setting concentration, powers on, controlled by controlling the revolving speed of servo motor entire experiment and
The frequency of reciprocating motion converts rotary motion into reciprocating motion by slider-crank mechanism, and has driving plate to drive examination
Sample is horizontally moved, this experimental machine is loaded by counterweight, is loaded on the Weight box at top by choosing suitable counterweight, weight
The weight of code box is transmitted to by load bar on abrading-ball, to realize the simulation to its specific operation, passes through counterweight and installation
Pull pressure sensor frictional force when move back and forth to measure size, pass through the pressure sensor on the upside of upper fixture
The size for directly to measure loading force, the size of concentration of saline fog is measured by salt fog humidity sensor, passes through laser displacement
Sensor measures the size of driving plate reciprocation amplitude, and the data of acquisition include loading force, displacement and frictional force, these
Data are acquired in real time by data collecting card, are sent to computer and are done next step data processing.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims lid.
Claims (5)
1. a kind of horizontal mobile device for reciprocating corrosion fretting apparatus, it is characterised in that: including driving plate
(18), drive rod (22), linear bearing seat (27), slider-crank mechanism (26) and driving motor (24), driving plate (18) is sleeping
Formula L-type structure, bending end are fixedly connected with drive rod (22) one end, and drive rod (22) is connected to support by linear bearing seat (27)
On plate (28), drive rod (22) other end is connected to the motor shaft of driving motor (24), driving by slider-crank mechanism (26)
Motor (24) is fixedly connected on support plate (28), and support plate (28) is fixedly connected on cushion block (25), driving plate (18) companion
Lower fixture (5) is fixedly connected on the sliding block of horizontal linear guide rail (4).
2. a kind of horizontal mobile device for reciprocating corrosion fretting apparatus according to claim 1, special
Sign is: being equipped in support plate (29) non-contact displacement transducer (23), non-contact displacement transducer (23) face is driven
The bending end of movable plate (18).
3. a kind of horizontal mobile device for reciprocating corrosion fretting apparatus according to claim 1, special
Sign is: salt fog cabinet (16) front seal is equipped with chamber door (19), and chamber door (19) lower end is hinged on salt fog cabinet (16), upper end cover
Middle part is mounted on salt fog cabinet (16) using quick-clamping pincers (17) fastening, quick-clamping pincers (17) after conjunction.
4. a kind of horizontal mobile device for reciprocating corrosion fretting apparatus according to claim 1, special
Sign is: driving plate (18) segmentum laterale is connected on salt fog cabinet (16) lateral surface by rectangle telescopic (21).
5. a kind of horizontal mobile device for reciprocating corrosion fretting apparatus according to claim 1, special
Sign is: lower fixture (5) is plate structure, and upper surface middle part is provided with the groove for placing band sample, and groove side is provided with
Lock the stud (32) of sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760544.0A CN110320125A (en) | 2019-08-16 | 2019-08-16 | A kind of horizontal mobile device for reciprocating corrosion fretting apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910760544.0A CN110320125A (en) | 2019-08-16 | 2019-08-16 | A kind of horizontal mobile device for reciprocating corrosion fretting apparatus |
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| CN110320125A true CN110320125A (en) | 2019-10-11 |
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| CN201910760544.0A Pending CN110320125A (en) | 2019-08-16 | 2019-08-16 | A kind of horizontal mobile device for reciprocating corrosion fretting apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853697A (en) * | 2019-12-06 | 2020-02-28 | 浙江工业大学 | High-precision micro-motion displacement generating device |
| CN112683650A (en) * | 2020-12-09 | 2021-04-20 | 国核电站运行服务技术有限公司 | Normal fretting wear test device for high-temperature and high-pressure water environment |
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| CN207095845U (en) * | 2017-08-21 | 2018-03-13 | 西安工业大学 | A kind of variable working condition fretting wear combined test apparatus |
| CN207586060U (en) * | 2017-10-10 | 2018-07-06 | 安徽理工大学 | A kind of reciprocating friction abrasion tester of super-magnetostrictive drive loading |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6418776B1 (en) * | 2000-07-24 | 2002-07-16 | Center For Tribology, Inc. | Method and apparatus for measuring friction and wear characteristics of materials |
| CN202649065U (en) * | 2012-05-14 | 2013-01-02 | 三一重工股份有限公司 | Wear testing device |
| CN103063530A (en) * | 2012-08-16 | 2013-04-24 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
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| CN207095845U (en) * | 2017-08-21 | 2018-03-13 | 西安工业大学 | A kind of variable working condition fretting wear combined test apparatus |
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|---|---|---|---|---|
| CN110853697A (en) * | 2019-12-06 | 2020-02-28 | 浙江工业大学 | High-precision micro-motion displacement generating device |
| CN110853697B (en) * | 2019-12-06 | 2024-05-03 | 浙江工业大学 | High-precision micro-motion displacement generating device |
| CN112683650A (en) * | 2020-12-09 | 2021-04-20 | 国核电站运行服务技术有限公司 | Normal fretting wear test device for high-temperature and high-pressure water environment |
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