CN106092794B - Reciprocating double-station friction wear testing machine - Google Patents
Reciprocating double-station friction wear testing machine Download PDFInfo
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- CN106092794B CN106092794B CN201610435318.1A CN201610435318A CN106092794B CN 106092794 B CN106092794 B CN 106092794B CN 201610435318 A CN201610435318 A CN 201610435318A CN 106092794 B CN106092794 B CN 106092794B
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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
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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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
- G01N3/066—Special adaptations of indicating or recording means with electrical 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
- 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
- G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
- G01N2203/0635—Electrical or magnetic indicating, recording or sensing means using magnetic properties
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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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- Automation & Control Theory (AREA)
- Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of reciprocating double-station friction wear testing machines, including tester base, drive system, loading system, friction force measurement system and abrasion amount measuring system, the drive system is fixed on pedestal, by speed regulating motor driving driving gear operating, driving gear drives driven gear work, to realize the straight reciprocating motion of maneuvering board by slider-crank mechanism to work；Testing machine uses the thought of symmetrical mechanism, turns to the straight reciprocating motion that opposite driven gear drives maneuvering board to do opposite direction by two, and when every piece of maneuvering board movement, generated inertia force can cancel out each other just.Abrasion condition and polishing machine of the analog test self-lubricating oscillating bearing liner of the present invention in different operating environment have work continuity well and can provide very wide in range working condition selection.
Description
Technical field
The present invention relates to a kind of reciprocating double-station friction wear testing machines.
Background technique
All there are friction phenomenons between most of mechanical equipment relative movement part, and most friction is to machinery
Operating be all unfavorable.Friction phenomenon will cause the failure of the excessive loss and mechanical equipment of energy, direct in addition to causing
Except economic loss, other harm are also easily caused.Therefore, the relevant experiment and research for carrying out tribology are reducing the energy
Loss, the generation aspect for improving production efficiency, protection environment, reduction equipment damage and safety accident have highly important meaning
Justice.The friction and wear behavior of components is determined by factors such as material, working condition, the way of contact and environmental conditions in mechanical equipment
Fixed, in order to study and be measured wear-resisting, anti-attrition and friction material to fretting wear phenomenon and its essence, and it is correct
Evaluate influence of the various factors to friction and wear behavior in ground, it usually needs by friction wear testing machine.Reciprocating friction abrasion
Testing machine is the main experimental equipment developed for friction material control of product quality, new material.
Self-lubricating knuckle bearing is made of the self-lubricating material of oscillating bearing inner surface pasting pad form.Cause
Self-lubricating material plays anti-attrition lubricant effect, so occupy an important position in self-lubricating knuckle bearing technology, self-lubricating material
The performance of material directly affects the working performance and working life of self-lubricating knuckle bearing.The abrasion of selflubricating liner material is certainly
The principal mode of lubricating joint bearing failure, abrasion increase inside and outside ring gap, and liner loses normal lubricating ability；Sometimes because of height
Speed friction, gasket material high temperature bond cause bearing stuck phenomenon in metal surface.In many occasions, such as undercarriage system
The brake system of system, engine, this failure often results in catastrophic consequence, so to self-lubricating oscillating bearing liner material
Friction and abrasion can be carried out research important in inhibiting.
Testing machine is used for the reciprocating friction wear test of different gasket materials at different conditions, mainly for different cunnings
The tribological property of selflubricating liner material carries out experimental study under the conditions of dynamic speed, different loads, and can carry out difference
Gasket material comparative test under the same conditions, pass through the frictional force, coefficient of friction and the test specimen that generate in measurement experiment
Abrasion loss and its correlation can be the friction and wear behavior of research components to study the friction and wear behavior of gasket material
The assessment parameters of objective reality are provided, by fundamental test, study the friction and wear mechanics of selflubricating liner material, in favor of
The design of self-lubricating knuckle bearing, and opposed mechanism is used, maximum reducing mechanism generated inertia force when moving is done
To minimum vibration.
Summary of the invention
The purpose of the invention is to make up current reciprocating friction abrasion tester cannot simultaneously carry out multiple liners
The comparison fretting wear of progress simultaneously under identical operating condition of different gasket materials has been accomplished in the deficiency of test, the design of duplexing bit architecture
Test realizes variable minimum；Furthermore opposed type reciprocating structure is used, current testing machine is solved and moves at work
There is very big inertia force when testing in mechanism high frequency and to generate vibration excessive, therefore devise a kind of reciprocating double-station
Friction wear testing machine realizes the purpose of reducing mechanism vibration and double-station comparative test.
In order to achieve the above object, insight of the invention is that
Movement mechanism uses gear drive, drives driving gear by speed regulating motor, driving gear drives at left and right sides of it
Driven gear.Left and right sides driven gear is equipped with threaded hole at away from gear center hole same distance, and two gears are to adjust the speed electricity
It is symmetrically placed centered on arbor line, it turns on the contrary, threaded hole connects connecting rod by chaining part and bearing fit, the connecting rod other end is logical
It crosses another connector and connect maneuvering board with bearing fit, it is whole to become slider-crank mechanism, so that the rotation of gear be turned
It is melted into the straight reciprocating motion of maneuvering board, and two pieces of maneuvering boards are opposite direction movement in any position, are balanced out with this
Mutual inertia force.Active force is applied to the gasket material on maneuvering board by loading system, with force snesor and electric whirlpool
Stream displacement sensor measures the coefficient of friction and abrasion loss of gasket material respectively.By controlling different time, load, Yi Jiyun
The reciprocating running speed of movable plate simulates the working condition of self-lubricating oscillating bearing liner under different operating conditions.
Conceived according to foregoing invention, the present invention adopts the following technical scheme:
A kind of reciprocating double-station friction wear testing machine, including base, drive system, loading system and TT&C system,
The drive system is fixed on base, drives entire test bench running；The loading system is loaded using one end, and one end is adjusted
Balance, centre is the structure fixed by axis and bearing support and can waved, and is mounted on base, is guaranteeing its floating end not
When load, by adjusting the counterweight of the other end, the balance of swing arm at an arbitrary position is realized；The TT&C system is sensed by power
Device and eddy current displacement sensor composition, force snesor forms in swing arm structure, for measuring the coefficient of friction of gasket material,
Eddy current displacement sensor is placed on the top of swing arm, for measuring the abrasion loss of gasket material.
The drive system includes positioning plate, rail support plate, maneuvering board, sliding block, guide rail, driven gear, driving gear,
Speed regulating motor, driven gear transmission shaft, flat key, bearing block, bearing cover, bearing block bearing, gear connecting shaft, connecting rod inner end
Bearing, connecting rod outer end bearings, connecting rod, connecting rod shaft, maneuvering board link block；The speed regulating motor is fixed on by screw thread link
On base, the driving gear is mounted on the motor shaft of speed regulating motor, is positioned by flat key connection to its axial direction；It is described
Driven gear transmission shaft is a multi-diameter shaft, and both ends are separately installed with two deep groove ball bearings, and are installed along in bearing block, axis
One end connection bearing cover is held, limits the freedom degree of one of bearing, the other end connects machine threadably
Seat, and the freedom degree of another bearing is limited, two driven gears are separately mounted on two driven gear transmission shafts, by flat
Key link positions its axial direction, and two driven gears are engaged with driving gear simultaneously, and by two be equipped with threaded hole from
Moving gear centered on electric machine main shaft line, install by the mode of being centrosymmetric；By gear connecting shaft have one end precession of threaded line from
In the threaded hole of moving gear, other end coupler link inner end bearing inner race, connecting rod two end is respectively cooperating with inside and outside two bearings of installation
Outer ring, the inner rings of connecting rod outer end bearings and connecting rod shaft cooperate, and maneuvering board link block coupler link connecting shaft is simultaneously fixed on
The outside of maneuvering board；These parts integrally form similar slider-crank mechanism, by the maneuvering board that is converted into of speed regulating motor
Straight reciprocating motion；The support frame of rail support plate and positioning plate composition is mounted on base, and two guide rails are mounted on guide rail branch
On fagging, sliding block is fitted on guide rail, and maneuvering board is fixed on sliding block；It tests gasket material used and is fixed on lining plank
On, it is carried out with the steel ball filled on load bar to rubbing, and lining plank is fixed by fixture.
The loading system includes part under swinging support, pedestal bearing, swinging support shaft, part on swinging support,
Counterweight, weight linear meter, sensor and balancing device link block, sensor and load bar link block load counterweight, clamping ring, load
Bar, loading head, steel ball；The swinging support is designed to split type structure, is made of upper and lower two parts, and swinging support both sides are by upper
Lower two parts compress pedestal bearing outer ring, and swinging support shaft is multi-diameter shaft；Axis both ends cooperate with pedestal bearing inner race respectively, pass
Sensor and balancing device link block are fixed in swinging support shaft, and being capable of pivoting；Force snesor both ends connect respectively
Then sensor and balancing device link block and sensor and load bar link block, load bar be bolted on sensor with
Load counterweight and clamping ring are installed on load bar link block, on load bar, loaded weight is controlled by load counterweight, it is described
Loading head is spun on load bar lower end, inside there is steel ball, carries out reciprocating friction with liner；Weight linear meter one end is mounted in sensor and balance
On device link block, the other end is equipped with counterweight, for the balance under regulating mechanism unloaded condition.
The TT&C system includes force snesor, eddy current displacement sensor, computer；Force snesor one end connection
Sensor and balancing device link block, the other end connect sensor and load bar link block, pass through pair of gasket material and steel ball
It rubs, force snesor is made to receive the force signal of horizontal direction, to measure coefficient of friction；The eddy current displacement sensor is placed in pendulum
Arm upper surface calculates liner amount of friction by the variation of measurement swing arm dropping distance.
This testing machine test range of motor speeds is 0 ~ 8Hz；Test load range is 0 ~ 10Kg.
The present invention has the advantages that protrude substantive distinguishing features and significant as follows compared with existing testing equipment:
The high-frequency work of testing machine can be achieved in the present invention, can expand speed simulation context, while adopting opposed mechanism, make a left side
Right two stations move round about at an arbitrary position, can achieve dynamic equilibrium state when the movement of this implementation mechanism, entirely
The inertia of mechanism is zero.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of drive system in the present invention.
Fig. 3 is bottom bracket part of the present invention and part drive system cross-sectional view.
Fig. 4 is the structural schematic diagram of loading system and TT&C system in the present invention.
Wherein: 1- base；Part under 2- swinging support；3- pedestal bearing (model: 61804)；4- swinging support shaft；5-
Part on swinging support；6- counterweight；7- weight linear meter；8- sensor and balancing device link block；9- force snesor；10- sensor
With load bar link block；11- loads counterweight；12- clamping ring；13 load bars；14- loading head；15- steel ball；16- lining plank；17-
Fixture；18 positioning plates；19- rail support plate；20- maneuvering board；21- sliding block；22- guide rail；23- driven gear；24- driving tooth
Wheel；25- speed regulating motor；26- driven gear transmission shaft；27- flat key (model: GB1096)；28- bearing block；29- bearing block end
Lid；30- bearing block bearing (model: 6201)；31- gear connecting shaft；End bearing (model: 698) in 32- connecting rod；Outside 33- connecting rod
End bearing (model: 6001)；34- connecting rod；35- connecting rod shaft；36- maneuvering board link block；37- eddy current displacement sensor.
Specific embodiment
Details are as follows for the preferred embodiment of the present invention combination attached drawing:
Referring to Fig. 1, a kind of reciprocating double-station friction wear testing machine, including base 1, drive system, loading system and
TT&C system, the drive system are fixed on base 1, drive entire test bench running；The loading system is added using one end
It carries, one end adjustment, centre is the structure fixed by axis and bearing support and can waved, and is mounted on base 1, is being protected
When demonstrate,proving its floating end and do not load, pass through the counterweight 6 for adjusting the other end, realizes the balance of swing arm at an arbitrary position；The survey
Control system is made of force snesor 9 and eddy current displacement sensor 37, and force snesor 9 forms in swing arm structure, for measuring
The coefficient of friction of gasket material, eddy current displacement sensor 37 are placed on the top of swing arm, for measuring the abrasion of gasket material
Amount.
As shown in Figures 2 and 3, the drive system includes positioning plate 18, rail support plate 19, maneuvering board 20, and sliding block 21 is led
Rail 22, driven gear 23, driving gear 24, speed regulating motor 25, driven gear transmission shaft 26, flat key 27, bearing block 28, bearing block
End cap 29, bearing block bearing 30, gear connecting shaft 31, end bearing 32 in connecting rod, connecting rod outer end bearings 33, connecting rod 34, connecting rod connect
Spindle 35, maneuvering board link block 36；Speed regulating motor 25 is mounted on 1 lower part of base, 1 bottom opening of base, and speed regulating motor 25 turns
Axis is stretched out from base tapping, and driving gear 24 is mounted in 25 shaft of speed regulating motor, fixes driving gear by flat key 27
24 circumferentially rotate, and driven gear transmission shaft 26 is a multi-diameter shaft, and ladder both ends are respectively equipped with bearing, whole to be mounted in bearing
In seat 28,28 one end of bearing block is limited the axial movement of one of bearing by bearing cover 29, and the other end is fixed on base 1
Lower section limits the axial movement of another bearing, and driven gear transmission shaft 26 is stretched out from 1 tapping of base, with driven gear 23
Cooperation, the installation of two driven gears 23 are distributed in 24 two sides of driving gear, and engages with driving gear 24, but it is noted that install two from
When moving gear 23, to be installed by center symmetric form of electrical axis at the threaded hole on gear wheel disc, when can be at an arbitrary position
It is centrosymmetric, reaching the maneuvering board 20 that two driven gears 23 are driven as power output using this can accomplish at work
Opposite direction movement balances out the inertia force generated respectively when two pieces of maneuvering boards 20 move, 31 one end of gear connecting shaft with this
The mode of being threadedly coupled is spun on driven gear 23, and the inner ring of end bearing 32 cooperates in the other end and connecting rod, 34 one end of connecting rod with
The outer ring of the outer ring cooperation of end bearing 32 in connecting rod, the other end and connecting rod outer end bearings 33 cooperates, connecting rod shaft 35
One end connects the inner ring of connecting rod outer end bearings 33, and the other end passes through maneuvering board link block 36, and is fixed by nuts its axial movement,
Maneuvering board link block 36 is bolted in the side of maneuvering board 20, and maneuvering board 20 is driven to do straight reciprocating motion, maneuvering board 20
It is fixed on sliding block 21, sliding block 21 is fitted on guide rail 22, and guide rail 22 is fixed in rail support plate 19, is left for down with this
For portion's drive system with sufficient space, rail support plate 19 is realized positioning by positioning plate 18, guarantees two pieces of rail support plates 19
In parallel, the parallel of guide rail 22 is guaranteed with this.
As shown in figure 4, the loading system and TT&C system include: part 2 under swinging support, pedestal bearing 3 swings branch
Support shaft 4, part 5 on swinging support, counterweight 6, weight linear meter 7, sensor and balancing device link block 8, force snesor 9, sensing
Device and load bar link block 10 load counterweight 11, clamping ring 12, load bar 13, loading head 14, steel ball 15, current vortex displacement biography
Sensor 37；Swinging support shaft 4 is a multi-diameter shaft, is gone here and there in the hole of sensor and balancing device link block 8, both ends are equipped with pedestal
Bearing 3, two pedestal bearings 3 are stuck on part 2 under swinging support and swinging support between part 5 and clamp, integrally can be with
Pivoting, 9 both ends of force snesor are separately connected sensor and balancing device link block 8 and sensor and load bar link block
10, load bar 13 is gone here and there out from sensor and load bar link block 10, and lower end and loading head 14 cooperate, load bar 3 and loading head
Steel ball 15 is housed, for, to rubbing, the load string of counterweight 11 to clamp on load bar 13, and on its top with gasket material among 14
Ring 12 fixes its axial movement, and weight linear meter 7 passes through sensor and balancing device link block 8, fixation is tightened with bolt in one end, separately
One end is equipped with counterweight 6, for adjusting the whole equilbrium position in the case where system is not loaded with state of swing arm, eddy current displacement sensor 37
It is placed on entire cantilever upper surface to be less than at 1mm, for measuring the abrasion loss of trial liner material.
Working principle of the present invention is as follows:
Mechanism, by adjusting the position of counterweight 6, makes entire swing arm that can reach equilibrium-like at an arbitrary position when being not loaded with
State guarantees that mechanism does not apply active force to gasket material downwards along load bar direction when being not loaded with this；By lining plank 16
It is clamped to be placed in fixture 17 and is placed on the upper surface of maneuvering board 20, gasket material is uniformly attached on lining plank, and by gasket material
It is contacted with steel ball in loading head, counterweight is then loaded on load bar and is pressurizeed to gasket material；Speed regulating motor switch is opened, it will be electric
Machine is adjusted to setting and turns tachometer value, and motor shaft drives driving gear rotation, and driving gear is to drive two sides driven gear reversely to revolve
Turn, itself is changed into the linear reciprocating motion of maneuvering board by connecting rod by two sides driven gear, to make on maneuvering board
Gasket material carry out making power of the force sensor by horizontal direction in friction process to rubbing with steel ball, to measure liner
The coefficient of friction of material, eddy current displacement sensor convert by the dropping distance of measurement swing arm and measure the abrasion of gasket material
Amount.
Claims (2)
1. a kind of reciprocating double-station friction wear testing machine, which is characterized in that including base (1), drive system, loading system
And TT&C system, the drive system are fixed on base (1), drive entire test bench running；The loading system uses one
End load, one end adjustment, centre is the structure fixed by axis and bearing support and can waved, and is mounted on base (1)
On, when guaranteeing that its floating end does not load, by adjusting the counterweight (6) of the other end, realize swing arm at an arbitrary position flat
Weighing apparatus；The TT&C system includes force snesor (9) and eddy current displacement sensor (37), and force snesor (9) is formed in swing arm knot
In structure, for measuring the coefficient of friction of gasket material, eddy current displacement sensor (37) is placed on the top of swing arm, for measuring
The abrasion loss of gasket material；
The loading system includes part (2) under swinging support, pedestal bearing (3), swinging support shaft (4), on swinging support
Partially (5), counterweight (6), weight linear meter (7), sensor and balancing device link block (8), sensor and load bar link block (10),
It loads counterweight (11), clamping ring (12), load bar (13), loading head (14), steel ball (15)；Swinging support is designed to dissection type knot
Structure is made of upper and lower two parts, and swinging support both sides compress pedestal bearing (3) outer ring, swinging support shaft by upper and lower two parts
It (4) is multi-diameter shaft, axis both ends cooperate with pedestal bearing (3) inner ring respectively, and sensor and balancing device link block (8) are fixed on pendulum
On dynamic support shaft (4), and being capable of pivoting；Force snesor (9) both ends respectively connected sensor and balancing device connects
Block (8) and sensor and load bar link block (10) are connect, load bar (13) is bolted on sensor and connect with load bar
On block (10), load counterweight (11) and clamping ring (12) are installed on load bar (13), are controlled and added by load counterweight (11)
Loading capacity, the loading head (14) are spun on load bar (13) lower end, inside there is steel ball (15), carry out reciprocating friction with liner；Match
On sensor and balancing device link block (8), the other end is equipped with counterweight (6) for weight bar (7) one end, does not add for regulating mechanism
Balance in the case of load；
The drive system includes positioning plate (18), rail support plate (19), maneuvering board (20), sliding block (21), guide rail (22), from
Moving gear (23), driving gear (24), speed regulating motor (25), driven gear transmission shaft (26), flat key (27), bearing block (28),
Bearing cover (29), bearing block bearing (30), gear connecting shaft (31), end bearing (32) in connecting rod, connecting rod outer end bearings
(33), connecting rod (34), connecting rod shaft (35), maneuvering board link block (36)；The speed regulating motor (25) is connected through a screw thread solid
It is scheduled on base (1), the driving gear (24) is mounted on the motor shaft of speed regulating motor (25), passes through flat key (27) connection pair
Its axial direction is positioned；The driven gear transmission shaft (26) is a multi-diameter shaft, and both ends are separately installed with two deep groove ball bearings,
And be installed along in bearing block (28), bearing block (28) one end connects bearing cover (29), limits one of bearing
Freedom degree, the other end connects base (1) threadably, and limits the freedom degree of another bearing, two driven tooths
Wheel (23) is separately mounted on two driven gear transmission shafts (26), is positioned by flat key (27) connection to its axial direction, two
A driven gear (23) is engaged with driving gear (24) simultaneously, and is equipped with the driven gear (23) of threaded hole for two with motor master
Centered on axis, the mode of being centrosymmetric is installed；Gear connecting shaft (31) is had to one end precession driven gear (23) of threaded line
Threaded hole in, end bearing (32) inner ring in other end coupler link, connecting rod (34) both ends are respectively cooperating with inside and outside two axis of installation
The outer ring held, the inner ring of connecting rod outer end bearings (33) and connecting rod shaft (35) cooperate, maneuvering board link block (36) coupler link
Connecting shaft (35) and the outside for being fixed on maneuvering board (20)；These parts integrally form similar slider-crank mechanism, by speed regulation electricity
The rotation of machine (25) is converted into the straight reciprocating motion of maneuvering board (20)；The branch of rail support plate (19) and positioning plate (18) composition
Support is mounted on base (1), and two guide rails (22) are mounted on rail support plate (19), and sliding block (21) is fitted to guide rail
(22) on, maneuvering board (20) is fixed on sliding block (21)；It tests gasket material used to be fixed on lining plank (16), with load bar
(13) steel ball (15) filled on is carried out to rubbing, and fixes lining plank (16) by fixture (17)；
Mechanism, by the position of adjusting counterweight (6), makes entire swing arm that can reach equilibrium state at an arbitrary position when being not loaded with,
Guarantee that mechanism does not apply active force to gasket material downwards along load bar direction when being not loaded with this；Lining plank (16) are used
Fixture (17), which clamps, is placed in the upper surfaces of maneuvering board (20), and gasket material is uniformly attached on lining plank, and by gasket material with
Steel ball contacts in loading head, and counterweight is then loaded on load bar and is pressurizeed to gasket material；Speed regulating motor switch is opened, by motor
It is adjusted to setting speed value, motor shaft drives driving gear rotation, and driving gear is to drive two sides driven gear to reversely rotate, and two
Itself is changed into the linear reciprocating motion of maneuvering board by connecting rod by side driven gear, to make the liner on maneuvering board
Material carries out making power of the force sensor by horizontal direction in friction process, to measure gasket material to rubbing with steel ball
Coefficient of friction, eddy current displacement sensor convert by the dropping distance of measurement swing arm and measure the abrasion loss of gasket material.
2. reciprocating double-station friction wear testing machine according to claim 1, which is characterized in that the TT&C system by
Force snesor (9), eddy current displacement sensor (37) and computer composition；Described force snesor (9) one end connection sensor with
Balancing device link block (8), the other end connect sensor and load bar link block (10), pass through gasket material and steel ball (15)
To rubbing, force snesor (9) is made to receive the force signal of horizontal direction, to measure coefficient of friction；The eddy current displacement sensor
(37) it is placed in swing arm upper surface, liner amount of friction is calculated by the variation of measurement swing arm dropping distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435318.1A CN106092794B (en) | 2016-06-18 | 2016-06-18 | Reciprocating double-station friction wear testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435318.1A CN106092794B (en) | 2016-06-18 | 2016-06-18 | Reciprocating double-station friction wear testing machine |
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| CN106092794A CN106092794A (en) | 2016-11-09 |
| CN106092794B true CN106092794B (en) | 2019-06-25 |
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