CN105424520B - A kind of fretting wear of test fastener surface and the integrated device of fretting fatigue - Google Patents
A kind of fretting wear of test fastener surface and the integrated device of fretting fatigue Download PDFInfo
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- CN105424520B CN105424520B CN201510825038.7A CN201510825038A CN105424520B CN 105424520 B CN105424520 B CN 105424520B CN 201510825038 A CN201510825038 A CN 201510825038A CN 105424520 B CN105424520 B CN 105424520B
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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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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Abstract
The invention discloses a kind of test fastener fretting wear and the integrated device of fretting fatigue, belong to fretting wear and fatigue experimental device, the testing machine includes bottom plate, support, connecting screw rod, connecting elements, drive device, loading device, positioner and reciprocating apparatus, support includes take blame for others seat, limiting plate and side plate, seat of taking blame for others is fixed on the top of two blocks of side plates, loading device is fixed at the top of seat of taking blame for others, reciprocating apparatus is fixed on any side plate inwall, positioner is fixed on bottom plate, and drive device is connected on bottom plate；Using Electrodynamic Vibrators as power source, driving force is larger, and amplitude, frequency range are wide；Positioning device structure is simple, easy for installation.The testing machine is simple to operate, precision is high, available for the reciprocation for evaluating and studying coating surface fretting wear and fretting fatigue, fretting wear and the fretting fatigue operating mode of fastener can be more preferably simulated, is that fretting wear and fretting fatigue performance test provide a kind of reliable laboratory apparatus.
Description
Technical field
The invention belongs to fine motion friction and wear testing technology, and in particular to a kind of fretting wear of test fastener surface with
The integrated device of fretting fatigue.
Background technology
Fine motion is the motion for occurring the minimum amplitude (being usually micron dimension) between two contact surfaces.According to moving displacement
The difference in source, fine motion can cause fretting wear (one produced between the metal surface mutually compressed due to small amplitude motion
The abrasion of kind of composite type) and fretting fatigue (component in the presence of cyclic loading, because a certain position in surface is contacted with other
Surface produces small amplitude causes component to cause the phenomenon of component fatigue strength reduction or early fracture with respect to slip), both
The damage caused is fairly common in the industry, and may trigger catastrophic consequence.
Chinese patent CN202522494U discloses a kind of tangential fretting frictional wear test device, and Chinese patent
CN201689023U discloses a kind of thin tail sheep reciprocating type rolling friction wear testing machine, using Hydrauservo System as micro-
Dynamic driving source, although this type of drive driving force is big, amplitude variations scope is wide, easy to control, but equipment volume is big, cost
Height, technical sophistication.
Chinese patent CN2348377Y discloses a kind of surface friction properties of wire experimental provision, is a kind of use
The mechanical fine motion drive system of lever and eccentric stiffener composition, it can have larger amplitude, and loading range is wider, but frequency
Rate is generally relatively low and is difficult to realize Automated condtrol, and is used exclusively for studying the micro-moving frictional wear testing machine of steel wire, real
Testing scope has limitation.
Chinese patent CN203083895U discloses a kind of coating abrasion testing machine, is that one kind is rubbed using friction belt wheel
The coating abrasion testing machine of experiment is damaged, the position for adjusting the speed of motor rotation and rubbing is only capable of, can not simulate
Sample coatings are carried out micro-moving frictional wear experiment by industrial complicated operating mode, and scope of experiment has larger limitation.
The content of the invention
It is an object of the invention to provide a kind of fretting wear of test fastener surface and the integrated device of fretting fatigue,
Reciprocation for evaluating and studying coating surface fretting wear and fretting fatigue, solves complicated in the prior art, body
Product is big, using there is limitation, and the complex working condition in industry can not be simulated well the problems such as.
The technical solution for realizing the object of the invention is：A kind of test fastener fretting wear and the one of fretting fatigue
Formula device, including bottom plate, support, connecting screw rod, connecting elements, drive device, loading device, positioner and reciprocating apparatus,
Support includes take blame for others seat, limiting plate and side plate, and two pieces of side plate bottoms be arrangeding in parallel are fixed on bottom plate, and seat of taking blame for others is fixed on two
The top of block side plate, two pieces of side plate inwalls are arranged with limiting plate, and loading device is fixed at the top of seat of taking blame for others, and its output shaft is passed through
Take blame for others seat, reciprocating apparatus is fixed on any side side plate inwall, and positioner is fixed on bottom plate, and is be arranged in parallel positioned at two pieces
Side plate between, drive device is connected on bottom plate, and drive device is connected by connecting screw rod with positioner, connecting elements one
End and output shaft fixed connection, the other end are provided with the second through hole, and are connected with positioner.Connecting elements is located between limiting plate, limit
Position plate causes connecting elements to move up and down.
Further, in addition to the first strain gauge, the first strain gauge is located at the connection of connecting elements and output shaft
Place.
Further, the loading device uses servo electric jar.
Further, the reciprocating apparatus includes housing, central shaft, precision spring and slide cartridge, and shell one end is fixed on side plate
Inwall, other end center be provided with first through hole, central shaft be located at casing center, one end is fixed on the inwall of side plate, the other end
Through first through hole, stretch out on housing, the centrally disposed axle of slide cartridge, slide cartridge one end is located in housing, the other end is located at outside housing；
Precision spring is provided between slide cartridge and side plate inwall so that slide cartridge can be moved back and forth along central shaft, and slide cartridge is logical by first
Hole is spacing, prevents it from integrally departing from housing.
Further, the positioner includes base, support plate and supporting plate, and base is fixed on bottom plate, base top
Two pieces of support plates being parallel to each other are arranged with, the second through hole of connecting elements is located between two pieces of support plates being parallel to each other,
Two support plates position corresponding with the second through hole, which is provided with third through-hole, third through-hole, is provided with ball bearing, supporting plate bottom
On base, and below connecting screw rod, for supporting connecting screw rod.Ball of the fastener to be measured through two pieces of support plates
Second through hole of bearing and connecting elements, is fixed with support plate.Fastener afterbody to be measured is in close contact with slide cartridge, and head is with being connected
Screw rod is in close contact.The central shaft of reciprocating apparatus, retainer member central to be measured and connecting screw rod are centrally located at same straight line.
Further, in addition to the second strain gauge, the second strain gauge is located between connecting elements and support plate.
Further, the drive device uses Electrodynamic Vibrators, and the push rod of Electrodynamic Vibrators is connected with connecting screw rod.
Compared with prior art, its remarkable advantage is the present invention：（1）Fretting wear and fine motion under complex working condition can be simulated
Reciprocation of the fatigue to workpiece；（2）It is simple in construction, it is easy to operate, it can be tested with long-play；（3）In test process, nothing
It need to guard in real time；（4）The fine motion of fastener is realized using the structure of vibrator-spring, it is stable, easily-controllable；（5）Using servo electricity
Dynamic cylinder is accurately, stable as loading device, easily-controllable.
Brief description of the drawings
Fig. 1 is that the test fastener surface fretting wear of the present invention and the integrated device overall structure of fretting fatigue are illustrated
Figure.
Fig. 2 for the present invention the fretting wear of test fastener surface and fretting fatigue integrated device positioner and
The partial enlarged drawing of reciprocating apparatus.
Fig. 3 is test fastener surface fretting wear of the invention and the fastener to be measured of the integrated device of fretting fatigue
With the fine motion rubbing surface schematic diagram of connecting elements；Wherein（a）To draw the fine motion rubbing surface schematic diagram of fatigue,（b）It is tired for pressure pressure
The fine motion rubbing surface schematic diagram of labor.
Fig. 4 is the positioner of the embodiment of the present invention two and the partial enlarged drawing of reciprocating apparatus.
Fig. 5 is the fastener to be measured of the embodiment of the present invention two and the fine motion rubbing surface schematic diagram of connecting elements.
Fig. 6 is locally put for the bearing of test fastener surface fretting wear of the invention and the integrated device of fretting fatigue
Big figure.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 6, the integrated device of a kind of test fastener fretting wear and fretting fatigue, bag
Include bottom plate 1, support, connecting screw rod 6, connecting elements 10, drive device, loading device 9, positioner and reciprocating apparatus, support
Including seat 3 of taking blame for others, limiting plate 4 and side plate 2, two pieces of bottoms of side plate 2 be arrangeding in parallel are fixed on bottom plate 1, and seat 3 of taking blame for others is fixed on
The top of two blocks of side plates 2, two pieces of inwalls of side plate 2 are arranged with limiting plate 4, and loading device 9 is fixed on the top of seat 3 of taking blame for others, and its is defeated
Shaft is fixed on any inwall of side side plate 2 through seat 3 of taking blame for others, reciprocating apparatus, and positioner is fixed on bottom plate 1, and is located at
Between the side plate 2 that two pieces be arranged in parallel, drive device is connected on bottom plate 1, and outside support, drive device is by connecting spiral shell
Bar 6 is connected with positioner, the one end of connecting elements 10 and output shaft fixed connection, and the other end is provided with the second through hole, and and positioner
Connection.Connecting elements 10 is located between limiting plate 4, and limiting plate 4 causes connecting elements 10 to move up and down.
Further, in addition to the first strain gauge 11, the first strain gauge 11 is located at connecting elements 10 and output shaft
Junction.
Further, the loading device 9 uses servo electric jar.
Further, the reciprocating apparatus includes housing 18, central shaft 19, precision spring 20 and slide cartridge 21, the one end of housing 18
The inwall of side plate 2 is fixed on, other end center is provided with first through hole, and central shaft 19 is located at the center of housing 18, and one end is fixed on side
The inwall of plate 2, the other end passes through first through hole, stretches out on housing 18, the centrally disposed axle 19 of slide cartridge 21, the one end of slide cartridge 21 is located at
In housing 18, the other end is located at outside housing 18；Precision spring 20 is provided between slide cartridge 21 and the inwall of side plate 2 so that the edge of slide cartridge 21
Central shaft 19 can be moved back and forth, and slide cartridge 21 is spacing by first through hole, prevent it from integrally departing from housing 18.
Positioner includes base 12, support plate 13 and supporting plate 7, and base 12 is fixed on bottom plate 1, and the top of base 12 is right
Claim provided with two pieces of support plates 13 for being parallel to each other, the second through hole of connecting elements 10 be located at two pieces of support plates 13 being parallel to each other it
Between, two support plates 13 position corresponding with the second through hole, which is provided with third through-hole, third through-hole, is provided with ball bearing 14, support
The bottom of plate 7 is located on base 12, and positioned at the lower section of connecting screw rod 6, for supporting connecting screw rod 6.Fastener 8 to be measured passes through two pieces
The ball bearing 14 of support plate 13 and the second through hole of connecting elements 10, are fixed with support plate 13.The afterbody of fastener 8 to be measured and cunning
Cylinder 21 is in close contact, and head is in close contact with connecting screw rod 6.Central shaft 19, the center of fastener to be measured 8 and the connection of reciprocating apparatus
Screw rod 6 is centrally located at same straight line.
Further, in addition to the second strain gauge 17, the second strain gauge 17 is located at connecting elements 10 and support plate
Between 13.
Drive device uses Electrodynamic Vibrators 5, and the push rod of Electrodynamic Vibrators 5 is connected with connecting screw rod 6.
Embodiment one
The material of fastener 8 to be measured is Ti-6Al-4V snap bolt.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 6, the integrated device of a kind of test fastener fretting wear and fretting fatigue, bag
Include the first strain gauge 11, bottom plate 1, support, connecting screw rod 6, connecting elements 10, drive device, loading device 9, positioning dress
Put and reciprocating apparatus, support includes take blame for others seat 3, limiting plate 4 and side plate 2, two pieces of bottoms of side plate 2 be arrangeding in parallel are solid by bolt
It is scheduled on bottom plate 1, seat 3 of taking blame for others is bolted on the top of two blocks of side plates 2, two pieces of inwalls of side plate 2 are arranged with limiting plate
4, loading device 9 is secured by bolts in the top of seat 3 of taking blame for others, and its output shaft is through seat 3 of taking blame for others, and reciprocating apparatus is fixed on any one
The inwall of side side plate 2, positioner is bolted on bottom plate 1, and between two blocks of side plates 2 be arrangeding in parallel, driving
Device is connected on bottom plate 1, and drive device is connected by connecting screw rod 6 with positioner, the one end of connecting elements 10 and output shaft
It is connected, the other end is provided with the second through hole, and is connected with positioner.Connecting elements 10 is located between limiting plate 4, and limiting plate 4 makes
Obtaining connecting elements 10 can only move up and down.First strain gauge 11 is located at the junction of connecting elements 10 and output shaft.
The loading device 9 uses servo electric jar.
The reciprocating apparatus includes housing 18, central shaft 19, precision spring 20 and slide cartridge 21, and the one end of housing 18 passes through bolt
The inwall of side plate 2 is fixed on, other end center is provided with first through hole, and central shaft 19 is located at the center of housing 18, and one end is fixed on side
The inwall of plate 2, the other end passes through first through hole, stretches out on housing 18, the centrally disposed axle 19 of slide cartridge 21, the one end of slide cartridge 21 is located at
In housing 18, the other end is located at outside housing 18；Precision spring 20 is provided between slide cartridge 21 and the inwall of side plate 2 so that the edge of slide cartridge 21
Central shaft 19 can be moved back and forth, and slide cartridge 21 is spacing by first through hole, prevent it from integrally departing from housing 18.
Positioner includes base 12, support plate 13 and supporting plate 7, and base 12 is fixed on bottom plate 1, and the top of base 12 is right
Claim provided with two pieces of support plates 13 for being parallel to each other, the second through hole of connecting elements 10 be located at two pieces of support plates 13 being parallel to each other it
Between, two support plates 13 position corresponding with the second through hole, which is provided with third through-hole, third through-hole, is provided with ball bearing 14, support
The bottom of plate 7 is located on base 12, and positioned at the lower section of connecting screw rod 6, for supporting connecting screw rod 6.Bolt 8 to be measured passes through two pieces of branch
The ball bearing 14 of seat board 13 and the second through hole of connecting elements 10, are fixed by nut 16, form fastener constructions.Connect structure
Second shape of through holes of part 10 and the screw configuration of bolt 8 to be measured are consistent.Nut 16 and reciprocating apparatus homonymy, bolt to be measured
8 afterbodys are in close contact with slide cartridge 21, and the head of bolt 8 to be measured is in close contact with connecting screw rod 6.The central shaft 19 of reciprocating apparatus, treat
Survey the center of bolt 8 and connecting screw rod 6 is centrally located at same straight line.
Also include the second strain gauge 17, the second strain gauge 17 is located between connecting elements 10 and support plate 13.
Drive device uses Electrodynamic Vibrators 5, and the push rod of Electrodynamic Vibrators 5 is connected with connecting screw rod 6.
The above-mentioned material of bolt to be measured 8 is Ti-6Al-4V, and after differential arc oxidation is handled, there is one layer of ceramic coating on surface.Adjust
Save vibrator controller so that fretting amplitude is 100 μm, and frequency is 200Hz.Adjust servo electric jar controller so that stress
For 6000N.Obtain fine motion abrasion and the coefficient of friction under fretting fatigue reciprocation.
Embodiment two
By taking the contact of face as an example, the bolt of fastener 8AZ31 magnesium alloys to be measured, car has a plane with shank of bolt.
With reference to Fig. 1, Fig. 3, Fig. 4 and Fig. 5, the integrated device of a kind of test fastener fretting wear and fretting fatigue, bag
Include bottom plate 1, support, connecting screw rod 6, connecting elements 10, drive device, loading device 9, positioner and reciprocating apparatus, support
Including side plate 2, take blame for others seat 3 and limiting plate 4, two pieces of bottoms of side plate 2 be arrangeding in parallel are welded on bottom plate 1, and seat 3 of taking blame for others welding is solid
The top of two blocks of side plates 2 is scheduled on, two pieces of inwalls of side plate 2 are arranged with limiting plate 4, and loading device 9, which is secured by bolts in, takes blame for others
The top of seat 3, its output shaft is fixed on any inwall of side side plate 2 through seat 3 of taking blame for others, reciprocating apparatus, and positioner is fixed on bottom
On plate 1, and between two blocks of side plates 2 be arrangeding in parallel, drive device is connected on bottom plate 1, and drive device is by connecting spiral shell
Bar 6 is connected with positioner, the one end of connecting elements 10 and output shaft fixed connection, and the other end is provided with the second through hole, and and positioner
Connection.Connecting elements 10 is located between limiting plate 4, and limiting plate 4 causes connecting elements 10 to move up and down.
Further, in addition to the first strain gauge 11, the first strain gauge 11 is located at connecting elements 10 and output shaft
Junction.
Further, the loading device 9 uses servo electric jar 9.
Further, the reciprocating apparatus includes housing 18, central shaft 19, precision spring 20 and slide cartridge 21, the one end of housing 18
The inwall of side plate 2 is fixed on, other end center is provided with first through hole, and central shaft 19 is located at the center of housing 18, and one end is fixed on side
The inwall of plate 2, the other end passes through first through hole, stretches out on housing 18, the centrally disposed axle 19 of slide cartridge 21, the one end of slide cartridge 21 is located at
In housing 18, the other end is located at outside housing 18；Precision spring 20 is provided between slide cartridge 21 and the inwall of side plate 2 so that the edge of slide cartridge 21
Central shaft 19 can be moved back and forth, and slide cartridge 21 is spacing by first through hole, prevent it from integrally departing from housing 18.
Positioner includes base 12, support plate 13 and supporting plate 7, and base 12 is welded on bottom plate 1, and the top of base 12 is right
Claim provided with two pieces of support plates 13 for being parallel to each other, the second through hole of connecting elements 10 be located at two pieces of support plates 13 being parallel to each other it
Between, two support plates 13 position corresponding with the second through hole, which is provided with third through-hole, third through-hole, is provided with ball bearing 14, support
The bottom of plate 7 is located on base 12, and positioned at the lower section of connecting screw rod 6, for supporting connecting screw rod 6.The second of connecting elements 10 is led to
Hole shape is mutually matched with bolt 8 to be measured, and the second via bottoms are fluted, is provided with groove to abrading-ball body 22, during motion, to mill
Point face is formed between spheroid 22 and bolt 8 to be measured to contact.Ball bearing 14 and connection of the bolt 8 to be measured through two pieces of support plates 13
Second through hole of component 10, is fixed by nut 16, forms fastener constructions.Nut 16 and reciprocating apparatus homonymy, bolt 8 to be measured
Afterbody is in close contact with slide cartridge 21, and the head of bolt 8 to be measured is in close contact with connecting screw rod 6.It is the central shaft 19 of reciprocating apparatus, to be measured
The center of bolt 8 and connecting screw rod 6 are centrally located at same straight line.
Further, in addition to the second strain gauge 17, the second strain gauge 17 is located at connecting elements 10 and support plate
Between 13.
Drive device uses Electrodynamic Vibrators 5, and the push rod of Electrodynamic Vibrators 5 is connected with connecting screw rod 6.
Above-mentioned fastener material is AZ31 magnesium alloys, and surface scribbles ultra high molecular polyethylene layer.Adjusting vibration exciter controller,
So that fretting amplitude is 10 μm, frequency is 100Hz.Adjust servo electric jar controller so that stress is alternate stress, and amplitude is
300kN, frequency is 300Hz.Obtain fine motion abrasion and the coefficient of friction under fretting fatigue reciprocation.
The course of work：
1st, bolt 8 to be measured is passed through through the ball bearing 14 of two pieces of support plates 13 and the second through hole of connecting elements 10
Nut 16 is fixed, and forms fastener constructions.
2nd, servo electric jar output shaft is connected with the upper end of connecting elements 10.Adjust limiting plate 4 so that connecting elements 10
It can move up and down.
3rd, reciprocating apparatus is adjusted so that one end of reciprocating apparatus slide cartridge 21 and the tail end face of bolt 8 to be measured are in close contact,
Precision spring 20 is in compressive state.Causing the central shaft 19 of reciprocating apparatus simultaneously, with bolt 8 to be measured to be centrally located at same straight
Line.
4th, drive device is adjusted so that the head of bolt 8 to be measured is in close contact with connecting screw rod 6, the center of bolt 8 to be measured and company
Connect screw rod 6 and be centrally located at same straight line.
5th, servo electric jar power supply is opened, regulating frequency and stress, servo electric jar is by connecting elements to bolt 8 to be measured
Apply stress.
6th, the power supply of Electrodynamic Vibrators 5 is opened, regulating frequency and amplitude, Electrodynamic Vibrators 5 are by connecting screw rod 6 to treating
Survey bolt 8 and apply stress.Because the presence of reciprocating apparatus, bolt 8 to be measured proceeds by jogging motion.
7th, during the jogging motion of bolt 8 to be measured, strain gauge 11 and strain gauge 17 connect meter by instrument
Calculation machine, the parameter of frictional force between load parameter, and bolt to be measured 8 and connecting elements 10 can be recorded in real time.
8th, according to the parameter of above-mentioned acquisition, fastener is calculated with connecting elements with rubbing that pair is moved under different loads frequency
Coefficient and wear rate are wiped, micro-moving frictional wear performance of the fastener under fine motion abrasion and fretting fatigue reciprocation is assessed.
The Fretting and fretting fatigue of the evaluable bolt fastener cylindrical surface face coat of the present invention
Can, change plane coating also can be evaluated in contact sample Fretting and fretting fatigue performance.The present invention should by connection
Force snesor, can in real time be recorded to the coefficient of friction in fretting wear process.It is tired with reference to the fretting damage of coating and fine motion
The other analyses and detection of labor, the present invention can be used for research fretting wear and fretting fatigue interaction mechanism.Type knot of the present invention
Structure is simple, easily operation, and cost is relatively low, can be good at fretting wear and fretting fatigue work that the fasteners such as bolt are surveyed in simulation
Condition.
Claims (7)
1. a kind of test fastener fretting wear and the integrated device of fretting fatigue, including bottom plate（1）, support, drive device,
Loading device（9）, it is characterised in that：Also include connecting screw rod（6）, connecting elements（10）, positioner and reciprocating apparatus, support
Including seat of taking blame for others（3）, limiting plate（4）And side plate（2）, two blocks of side plates for be arrangeding in parallel（2）Bottom is fixed on bottom plate（1）On, top
Cylinder seat（3）It is fixed on two blocks of side plates（2）Top, two blocks of side plates（2）Inwall is arranged with limiting plate（4）, loading device（9）Gu
Due to seat of taking blame for others（3）Top, its output shaft passes through seat of taking blame for others（3）, reciprocating apparatus is fixed on any side side plate（2）Inwall, it is fixed
Position device is fixed on bottom plate（1）On, and the side plate being be arranged in parallel positioned at two pieces（2）Between, drive device is connected in bottom plate（1）
On, drive device passes through connecting screw rod（6）It is connected with positioner, connecting elements（10）One end and output shaft fixed connection, the other end
It is connected provided with the second through hole, and with positioner；Connecting elements（10）Positioned at limiting plate（4）Between, limiting plate（4）So that connection
Component（10）It can only move up and down.
2. test fastener fretting wear according to claim 1 and the integrated device of fretting fatigue, it is characterised in that：
Also include the first strain gauge（11）, the first strain gauge（11）Positioned at connecting elements（10）With the junction of output shaft.
3. test fastener fretting wear according to claim 1 and the integrated device of fretting fatigue, it is characterised in that：
The loading device（9）Using servo electric jar.
4. test fastener fretting wear according to claim 1 and the integrated device of fretting fatigue, it is characterised in that：
The reciprocating apparatus includes housing（18）, central shaft（19）, precision spring（20）And slide cartridge（21）, housing（18）One end is fixed on
Side plate（2）Inwall, other end center be provided with first through hole, central shaft（19）Positioned at housing（18）Center, one end is fixed on side
Plate（2）Inwall, the other end pass through first through hole, stretch out housing（18）, slide cartridge（21）Centrally disposed axle（19）On, slide cartridge
（21）One end is located at housing（18）Interior, the other end is located at housing（18）Outside；Slide cartridge（21）And side plate（2）Provided with precision between inwall
Spring（20）So that slide cartridge（21）Along central shaft（19）It can move back and forth, and slide cartridge（21）It is spacing by first through hole, prevent
It integrally departs from housing（18）.
5. test fastener fretting wear according to claim 1 and the integrated device of fretting fatigue, it is characterised in that：
The positioner includes base（12）, support plate（13）And supporting plate（7）, base（12）It is fixed on bottom plate（1）On, base
（12）Top is arranged with two pieces of support plates being parallel to each other（13）, connecting elements（10）The second through hole be located at two pieces it is mutually flat
Capable support plate（13）Between, two support plates（13）Position corresponding with the second through hole is provided with third through-hole, third through-hole
Provided with ball bearing（14）, supporting plate（7）Bottom is located at base（12）On, and positioned at connecting screw rod（6）Lower section, for the company of support
Connect screw rod（6）；Fastener to be measured（8）Through two pieces of support plates（13）Ball bearing（14）And connecting elements（10）Second lead to
Hole, with support plate（13）It is fixed；Fastener to be measured（8）Afterbody and slide cartridge（21）It is in close contact, head and connecting screw rod（6）Closely
Contact；The central shaft of reciprocating apparatus（19）, fastener to be measured（8）Center and connecting screw rod（6）It is centrally located at same straight line.
6. test fastener fretting wear according to claim 5 and the integrated device of fretting fatigue, it is characterised in that：
Also include the second strain gauge（17）, the second strain gauge（17）Positioned at connecting elements（10）With support plate（13）Between.
7. test fastener fretting wear according to claim 1 and the integrated device of fretting fatigue, it is characterised in that：
The drive device uses Electrodynamic Vibrators（5）, Electrodynamic Vibrators（5）Push rod and connecting screw rod（6）Connection.
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| CN201510825038.7A CN105424520B (en) | 2015-11-24 | 2015-11-24 | A kind of fretting wear of test fastener surface and the integrated device of fretting fatigue |
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| CN201510825038.7A CN105424520B (en) | 2015-11-24 | 2015-11-24 | A kind of fretting wear of test fastener surface and the integrated device of fretting fatigue |
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| CN105424520B true CN105424520B (en) | 2017-10-13 |
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| CN105910935B (en) * | 2016-06-30 | 2024-02-27 | 上海百若试验仪器有限公司 | Driving device on fretting wear testing machine in corrosive environment |
| CN106353179B (en) * | 2016-09-28 | 2019-04-09 | 北京强度环境研究所 | 3 points of curved high temperature fatigue testing machines of resonant mode |
| CN109238898A (en) * | 2018-08-30 | 2019-01-18 | 武汉船用机械有限责任公司 | A kind of friction block abrasion test device and its assemble method |
| CN111257149A (en) * | 2020-03-25 | 2020-06-09 | 齐鲁工业大学 | Material fatigue performance testing device and method under erosion environment |
| CN113533111B (en) * | 2021-07-16 | 2022-08-12 | 哈尔滨工业大学 | Abrasion system and method for simulating multiple motions of metal in lead-bismuth alloy environment |
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|---|---|---|---|---|
| JPS6134088B2 (en) * | 1981-11-19 | 1986-08-06 | Yokohama Rubber Co Ltd | |
| JPH08254489A (en) * | 1995-03-15 | 1996-10-01 | Moon Star Co | Coating film life evaluating tester |
| CN1715869A (en) * | 2005-07-09 | 2006-01-04 | 燕山大学 | Work condition analogue rolling contact fatigue tester |
| CN201497672U (en) * | 2009-07-14 | 2010-06-02 | 中国矿业大学 | Steel wire micro-motion fatigue tester |
| CN102590001A (en) * | 2012-02-24 | 2012-07-18 | 西南交通大学 | Testing method for multi-directional fretting fatigue and testing machine therefor |
| CN202522495U (en) * | 2012-03-12 | 2012-11-07 | 西南交通大学 | Multidirectional fretting fatigue testing device with testing environment being controllable |
-
2015
- 2015-11-24 CN CN201510825038.7A patent/CN105424520B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6134088B2 (en) * | 1981-11-19 | 1986-08-06 | Yokohama Rubber Co Ltd | |
| JPH08254489A (en) * | 1995-03-15 | 1996-10-01 | Moon Star Co | Coating film life evaluating tester |
| CN1715869A (en) * | 2005-07-09 | 2006-01-04 | 燕山大学 | Work condition analogue rolling contact fatigue tester |
| CN201497672U (en) * | 2009-07-14 | 2010-06-02 | 中国矿业大学 | Steel wire micro-motion fatigue tester |
| CN102590001A (en) * | 2012-02-24 | 2012-07-18 | 西南交通大学 | Testing method for multi-directional fretting fatigue and testing machine therefor |
| CN202522495U (en) * | 2012-03-12 | 2012-11-07 | 西南交通大学 | Multidirectional fretting fatigue testing device with testing environment being controllable |
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| Publication number | Publication date |
|---|---|
| CN105424520A (en) | 2016-03-23 |
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