CN207675574U - A kind of multifunction friction wear testing machine secondary based on the friction of ring block - Google Patents
A kind of multifunction friction wear testing machine secondary based on the friction of ring block Download PDFInfo
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- CN207675574U CN207675574U CN201820052024.5U CN201820052024U CN207675574U CN 207675574 U CN207675574 U CN 207675574U CN 201820052024 U CN201820052024 U CN 201820052024U CN 207675574 U CN207675574 U CN 207675574U
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Abstract
The utility model provides a kind of multifunction friction wear testing machine secondary based on the friction of ring block, testing machine is by mechanical support system, ring rubs vice mechanism soon, load maintainer, it drives transmission system and measures acquisition system composition, ring rub soon vice mechanism by two can positive and negative installation test block cantilever stage casing connect friction test block, and form friction pair with the friction test ring in intermediate rotary shaft, load maintainer is connected to the end of two test block cantilevers, driving transmission system is connect with intermediate transmission of rotary axis, acquisition system is measured by acquiring the stress-strain signal of test block cantilever in real time, and then analyze the fretting wear situation between friction test block and friction test ring.The utility model can not only improve the secondary test efficiency of conventional specimen block friction, moreover it is possible to carry out the friction pair synergistic effect experiment of two kinds of materials.
Description
Technical field
The utility model belongs to friction and wear test technical field, and in particular to a kind of based on the multi-functional of ring block friction pair
Friction wear testing machine.
Background technology
In tribology, the model wear test for carrying out material is the weight for quickly understanding the secondary friction and wear behavior of certain friction
Want method.There are many forms for friction pair in model wear test, include commonly：Ring block type sells disc type, circular ring type, four balls
Formula etc..Wherein, ring block type (block-on-ring) is as a kind of common secondary form of friction, due to its exemplar easy processing, performance
Relatively stable advantage and be used widely.
Since there are many factor for influencing tribology experiments result.Therefore, it when carrying out model frictional wear experiment, usually needs
Many experiments are carried out under the same speed, load-up condition, acquisition multi-group data is averaged, to improve the standard of experimental result
True property.However, the friction and wear behavior of some friction pair of system testing generally requires covering and is permitted multiple and different operating condition groups
It closes.The quantity that this allows for carrying out frictional experiment is big, and efficiency is low, and the time is long.A kind of new test equipment is developed, to improve experiment
Efficiency reduces the time for repeating experimentation under the premise of ensureing test result accuracy, has its practical value and reality
Meaning.
On the other hand, in novel high polymer material-metallic rubbing pairs, since the abrasive dust of high molecular polymer can be saved bit by bit
Transfer film is formed in metal surface so that high molecular polymer is not direct and metal surface is to mill, such friction pair can obtain
Lower friction factor and wear rate.Due to the characteristic, such friction pair causes extensive interest, and scholar is to it in various Jie
Frictional behaviour under the conditions of matter condition and load rate has carried out numerous studies.But considered based on practicability, and experiment is set
A kind of the case where standby limitation, extensive work still concentrates on high molecular material to mill metal at present.New test equipment is developed, it can
Collaboration transfer film effect of a variety of high molecular materials on the same metal surface is probed into, also has its practical value and reality to anticipate
Justice.
Invention content
In view of the above-mentioned deficiencies in the prior art, the utility model provides a kind of more work(secondary based on the friction of ring block
On the one hand energy friction wear testing machine can improve test efficiency of the conventional specimen block to mill friction test ring, another aspect and energy
Carry out the friction pair synergistic effect experiment of two kinds of materials.In conjunction with Figure of description, the technical solution of the utility model is as follows：
A kind of multifunction friction wear testing machine secondary based on the friction of ring block, by the machinery for installing bearing function component
Supporting system, ring rub soon vice mechanism, load maintainer, driving transmission system and measure acquisition system composition；
The ring rubs vice mechanism by intermediate rotary shaft 1, friction test ring 2, test block cantilever 4 and friction test block 5 soon
Composition, 1 both ends of intermediate rotary shaft are rotatably mounted in the middle part of mechanical support system, and the friction test ring 2 is coaxially mounted to
In intermediate rotary shaft 1, the top of two test block cantilevers 4 is hinged on the mechanical support system right over intermediate rotary shaft 1
On, and the rotation axis of two test block cantilevers 4 is parallel with intermediate rotary shaft 1, the stage casing of two test block cantilevers 4
Friction test block 5 is fixedly mounted respectively, the test block 5 forms friction pair with friction test ring 2；
The top and stage casing of the test block cantilever 4 are arranged before and after the axis of the intermediate rotary shaft 1 so that two examinations
When testing the 4 forward direction installation of block cantilever, the friction test block 5 in stage casing is distributed before and after 1 axis of intermediate rotary shaft, and two test blocks are outstanding
When arm 4 is reversely installed, the friction test block 5 in stage casing is overlapped along 1 axial location of intermediate rotary shaft；
The load maintainer is connected to the end of two test block cantilevers 4, the load maintainer by test block cantilever 4 to
Apply load between friction test block 5 and friction test ring 2；
The driving transmission system is sequentially connected with intermediate rotary shaft 1, to provide rotary driving force；
The acquisition system that measures analyzes friction test by acquiring the stress-strain signal of test block cantilever 4 in real time
Fretting wear situation between block 5 and friction test ring 2.
Further, the upper end of the test block cantilever 4 is equipped with bearing block, and the upper end of two test block cantilevers 4 passes through
Bearing 17 is mounted on the hinged shaft on mechanical support system top, and is axially fixed by stop nut.
Further, the friction test block 5 is fixedly mounted on by test block fixing device 41 in test block cantilever 4
Section, the test block fixing device 41 is the groove that a shape matches with friction test block 5, at the lateral opening of groove
It is equipped with adjustment bolt 42 and nut, the contraction and expansion of groove are realized by screwing or unscrewing adjustment bolt 42, and then realize
To tightening or loosening for friction test block 5.
Further, using the cooperation of cone inclined-plane between the friction test ring 2 and intermediate rotary shaft 1, and connected by flat key
Passing power is connect, axial restraint is realized in the end of friction test ring 2 by being tightened on the fastening nut 3 of intermediate rotary shaft 1.
Further, the load maintainer is made of load rope 6, scooter 7 and load counterweight 8；
The both ends of the load rope 6 are connected to the end of two test block cantilevers 4；
The scooter 7 is made of pulley 71 and the connection of counterweight frame 72, and the pulley 71 passes through the pulley ring on its circumference
Slot is slidably mounted on load rope 6；
72 upper end of counterweight frame passes through the axis of pulley 71 and the front/rear end both sides mounted on pulley 71, the load
Counterweight 8 is placed on 72 times end breakets of counterweight frame.
Further, the driving transmission system is by driving motor 9, big belt pulley 10, small belt pulley 11 and driving belt
12 compositions；
The driving motor 9 is mounted on mechanical support system lower part, the output shaft of the big belt pulley 10 and driving motor 9
Coaxial transmission connects, and the small belt pulley 11 is connect with intermediate 1 coaxial transmission of rotary shaft, the big belt pulley 10 and small belt pulley
11 are sequentially connected by driving belt 12.
Further, the measurement acquisition system is by compression force snesor 13, friction force sensor 14, speed probe 15
With data acquisition display system composition；
The compression force snesor 13 is made of four pressing force foil gauges, and the pressing force foil gauge is arranged in two
In the cantilever upper and lower surface of a 4 end of test block cantilever；
The compression force snesor 13 is made of four frictional force foil gauges, and the frictional force foil gauge is arranged in two
In the cantilever upper and lower surface of 5 junction of friction test block in a 4 stage casing of test block cantilever；
The compression force snesor 13 and friction force sensor 14 are connect with data acquisition display system signals respectively；
The arrangement of the speed probe 15 is mounted on the shaft end of intermediate rotary shaft 1, to measure turning for intermediate rotary shaft 1 in real time
Speed, the speed probe 15 acquires display system with data respectively and drive motor controller signal is connect.
Compared with prior art, the beneficial effects of the utility model are：
1, multifunction friction wear testing machine described in the utility model, when using the positive test block cantilever for combining installation,
Two friction test blocks can generate two groups of friction tracks, can carry out two kinds of different materials respectively in the case of non-interference
Friction test block the experiment of friction pair, and two groups of friction test block parallel frictions pairs that two identical materials can be carried out at the same time
Experiment, substantially increases test efficiency, reduces test number (TN), shorten test period.
2, multifunction friction wear testing machine described in the utility model, using reversely combined installation test block cantilever when,
The friction track of two friction test blocks overlaps, and can study two kinds of friction test block of material in same friction test ring material
On collaboration rubbing action mechanism, and even if the wear rate of two kinds of friction test blocks different scooters ifs can be on load rope
The load for continuing, stablizing is provided to experiment friction is secondary.
3, multifunction friction wear testing machine described in the utility model is made using load rope, scooter and load counterweight
For load maintainer, in friction test ring test of the friction test block for carrying out two kinds of different materials to grinding same material, though
The wear rate of right two kinds of friction test blocks is different, but scooter can voluntarily adjust the position on load rope under gravity
It sets, continues to load in experiment friction pair reliable and stablely, the friction of two kinds of different materials of experimenter's rapid comparison is enable to try
Test relative friction performance of the block to the friction test ring of mill same material.
4, multifunction friction wear testing machine described in the utility model is made using load rope, scooter and load counterweight
For load maintainer so that only need a set of load counterweight that can rub at two secondary upper while loading, this makes the entirety of testing machine
Structure is compacter, and experiment work is relatively reliable.
5, multifunction friction wear testing machine described in the utility model can realize that different functional requirements, a tractor serves several purposes make
With the cost that can be effectively reduced while convenience needed for development different type frictional experiment.
Description of the drawings
Fig. 1 is the axonometric drawing of multifunction friction wear testing machine described in the utility model (containing mechanical support system)；
Fig. 2 is the axonometric drawing of multifunction friction wear testing machine described in the utility model (being free of mechanical support system)；
Fig. 3 is the axonometric drawing of test block cantilever in multifunction friction wear testing machine described in the utility model；
Fig. 4 is test block cantilever forward direction scheme of installation in multifunction friction wear testing machine described in the utility model；
Fig. 5 is the reversed scheme of installation of test block cantilever in multifunction friction wear testing machine described in the utility model；
Fig. 6 is the loading principle schematic diagram of load maintainer in multifunction friction wear testing machine described in the utility model；
Fig. 7 is the load after friction test block uniform wear in multifunction friction wear testing machine described in the utility model
Principle schematic；
In figure：
Rotary shaft among 1-；2- friction test rings；3- fastening nuts；4- test block cantilevers；
5- friction test blocks；6- loads rope；7- scooters；8- loads counterweight；
9- driving motors；10- big belt pulleys；11- small belt pulleys；12- driving belts；
13- compresses force snesor；14- friction force sensors；15- speed probes；16- base seat supports；
17- bearings；
41- test block fixing devices；42- adjustment bolts.
Specific implementation mode
For the technical solution of the utility model and advantage is expanded on further, in conjunction with specification, the utility model
Specific implementation mode is as follows：
The utility model provides a kind of multifunction friction wear testing machine secondary based on the friction of ring block, the testing machine by
Ring rub soon vice mechanism, load maintainer, driving transmission system, measure acquisition system and the most of group of mechanical support system five
At.
As shown in Figure 1, if the mechanical support system is made of a base seat support 16 and dry bearing 17；Wherein, described
The top center of base seat support 16 is equipped with upper beam, and middle part front and rear sides are equipped with middle cross beam, and bottom rear is equipped with bottom end rail；Upper
It is equipped with connecting plate below the middle part of crossbeam, is equipped with a hinged shaft along longitudinal direction below connecting plate.The base seat support 16 is as whole
The matrix of a testing machine, is the frame structure with high stiffness, and the base seat support 16 provides mechanical support for each parts.
In addition, the bottom of the base seat support 16 is additionally provided with fixing device, entire testing machine is fixed on pedestal or Horizon
On iron.
As depicted in figs. 1 and 2, the ring block friction vice mechanism is by 1, friction test ring 2, one of an intermediate rotary shaft
3, two test block cantilevers 4 of a fastening nut and two friction test blocks 5 form；
The rear and front end of the intermediate rotary shaft 1 is mounted on by bearing 17 on the middle cross beam of base seat support 16, in described
Between rotary shaft 1 can be rotated freely on base seat support 16；The stage casing of the friction test ring 2 and intermediate rotary shaft 1 is cone inclined-plane
Cooperation, the friction test ring 2 is axially fixed at by fastening nut 3 in intermediate rotary shaft 1, the fastening nut 3 with it is described
External screw thread in intermediate rotary shaft 1 is connected, described tight to be axially fixed on friction test ring 2 and intermediate rotary shaft 1
Gu friction test ring 2 is firmly pressed on the circular conical surface of intermediate rotary shaft 1 by nut 3 by its end face, to ensure friction test
There is higher concentricity between ring 2 and intermediate rotary shaft 1, pass through flat key between the friction test ring 2 and intermediate rotary shaft 1
Realize circumferencial direction limit and passing power.
The friction test ring 2 is arranged the secondary selected certain material of friction by experiment and is made.
As shown in Figures 2 and 3, the structure of two test block cantilevers 4 is identical, the test block cantilever 4 it is upper
End is equipped with bearing block, is symmetrical arranged before and after two test block cantilevers 4, the upper end of two test block cantilevers 4 is pacified by bearing 17
On the hinged shaft below 16 upper beam of base seat support (i.e. the bearing block fit inside of the outer ring of bearing 17 and test block cantilever 4,
The inner ring of bearing 17 coordinates with hinged shaft), the upper end of two test block cantilevers 4 is coaxially mounted to the front and back of hinged shaft in tandem
End, and be axially fixed on hinged shaft by stop nut so that two test block cantilevers 4 are front and back in the axial direction to be relatively fixed,
And it in an axial direction can relative rotation.
The rotation axis of two 4 upper ends of test block cantilever with below intermediate rotary shaft 1 and friction test ring 2
Rotation axis is in same perpendicular and is mutually parallel.
As shown in Figures 2 and 3, the lower end of the test block cantilever 4 is equipped with lifting lug, is used for and the load rope in load maintainer
The lifting lug of 5 end of rope links；The middle part of the test block cantilever 4 is provided with test block fixing device 41, and the test block is fixed
Device 41 is the groove of side with opening, and the opening of groove is set there are two parallel adjustment plate, in the adjustment version
It is symmetrically provided with adjusting hole, matches in the adjusting hole and is filled with adjustment bolt 42 and nut, the groove shapes and friction test block 5
Outer contour shape match, the friction test block 5 be mounted on the groove in, when friction test block 5 needs to be installed into groove
Or when being taken out from groove, adjustment bolt 42 and nut can be unscrewed so that groove size expand, facilitate friction test block 5 install or
It takes out, after friction test block 5 is installed in the groove and adjusts good position, adjustment bolt 42 and nut can be screwed so that groove
Dimensional contraction so that friction test block 5 can be reliably mounted in groove, and then makes friction test block 5 be reliably mounted on
On test block cantilever 4.
The friction test block 5 is arranged the secondary selected certain material of friction by experiment and is made, and in the present invention, and two
The test block that fixed friction test block 5 can be two same materials is installed in 4 lower section of root test block cantilever, can also be two
The test block of dissimilar material.When the material identical of two friction test blocks 5, it can be used for the secondary parallel examination of same material friction
It tests；When the material difference of two friction test blocks 5, it can be used for the contrast test of material friction pair not of the same race.
As shown in Fig. 2, the friction test block 5 that two 4 lower sections of test block cantilever are fixedly mounted is located at friction test ring 2
Both sides, and contacted with the outer circumference surface of friction test ring 2 to mill, it is secondary to form friction.
As shown in figure 3, the bearing block end of the test block cantilever 4 is not put down vertically with test block fixing device end same
In face, the bearing block end of the test block cantilever 4 is bent to side so that bearing block end is with test block fixing device end in level
Front and back setting on longitudinal (i.e. the axis defence line of 4 upper end bearing block of test block cantilever).This shape design so that two test blocks
When mounted, the friction track between the friction test block 5 installed below and friction test ring 2 will hang cantilever 4 because of test block
The installation site of arm 4 is different and different, this, which allows for testing machine described in the utility model, can carry out different experiments, point
It is not described below：
We assume that two 4 bearing block ends of test block cantilever bend inwards and are installed as positive installation in opposite directions, two experiments
The 4 equal outward bending in bearing block end of block cantilever is installed as reversely installing opposite to each other.
As shown in figure 4, when the positive installation of two test block cantilevers 4, since 4 bearing block end of test block cantilever is inwardly curved
Folding, then the test block fixing device end of test block cantilever 4 is then provided separately outward respectively, two 4 lower end of test block cantilever installations
Friction test block 5 be in contact respectively with the front and back section of friction test ring 2 to mill, be axially formed front and back two along friction test ring 2
The mutual indepedent and parallel friction track of section.Since the friction track of two friction test blocks 5 and friction test ring 2 is staggered not
It overlaps, therefore can be considered two rings independently carried out-block experiment, when the material phase of the friction test block 5 on two test block cantilevers 4
Meanwhile it being equivalent to and being carried out at the same time two parallel laboratory tests；When the material difference of the friction test block 5 on two test block cantilevers 4,
The experiment can the secondary frictional behaviour of two kinds of directly perceived characterization friction comparison.
As shown in figure 5, when two test block cantilevers 4 are reversely installed, due to the 4 equal bent outward in bearing block end of test block cantilever
Folding, then the test block fixing device end of test block cantilever 4 is then arranged close to respectively inwards so that two 4 lower ends of test block cantilever
The friction test block 5 of installation coincides along the axial position of friction test ring 2, at this point, two friction test blocks 5 and friction test
Ring 2 coincides to the friction track of mill, i.e., two friction test blocks 5 act on same section of periphery of friction test ring 2.Two
Two secondary friction behaviors of friction that a friction test block 5 is formed by with friction test ring 2 influence each other, and act synergistically, this
When can carry out the experiment that such as two kinds of macromolecule polymer materials act synergistically on a friction test ring, with research collaboration rub
Wipe the mechanism of action.
As shown in Fig. 2, the load maintainer is made of load rope 6, scooter 7 and load counterweight 8；The load rope
6 carry the flexible rope of lifting lug for both ends, and the both ends lifting lug of load rope 6 is linked respectively under two test block cantilevers 4
On the lifting lug at end；The scooter is made of pulley 71 and the connection of counterweight frame 72, the pulley annular groove that the pulley 71 passes through circumference
Matching installation is on load rope 6；The counterweight frame 72 is made of counterweight hanger and weight bracket two parts, wherein counterweight hanger
Upper end pass through the axis of pulley 71 and the front and rear sides mounted on pulley 71, the weight bracket is hooked under counterweight hanger
Hold interposition；The load counterweight 8 is placed in weight bracket, and according to the specific loading environment being arranged needed for experiment, it is suitable to choose
The load counterweight 8 of quality is placed in weight bracket.
As shown in fig. 6, when the testing machine is loaded by load maintainer, scooter 7 is suspended in by pulley 71 to be added
It carries on rope 6, experimenter lifts load counterweight 8 according to experiment setting requirements, in 7 lower end of scooter by counterweight frame 72.In weight
Under the action of 8 gravity of code, scooter 7 is in the minimum position of gravitional force, at this time can be tensioned load rope 6, and pass through two
The pulling force for loading rope 6 is transferred to the end of test block cantilever 4 by the lifting lug at end.Under the pulling force effect of load rope 6, it will try
The friction test block 5 for testing 4 middle part of block cantilever is pressed on 2 outer circumference surface of friction test ring, realizes load behavior.
With the gradually progress of experiment, friction test block 5 will be gradually worn out.When the material of two friction test blocks 5 is identical
When, since two rings-secondary load-up condition of block friction is identical, the rate of depreciation of two friction test blocks 5 is almost equal,
Load condition at this time is as shown in fig. 7, dotted line indicates the position relationship of each parts when friction test block 5 is not worn in figure, in fact
Line indicates the position relationship of each parts after 5 abrasion of friction test block, with gradually wearing out for friction test block 5, test block
The position of 4 end lifting lug of cantilever decreases, and the distance of two 4 end lifting lugs of test block cantilever in the horizontal direction becomes
It is short, though the position of scooter 7 and load counterweight 8 reduces, remain to load reliable and stablely；When the material of two friction test blocks 5
When matter difference, the rate of depreciation of two friction test blocks 5 is unequal so that between two 4 end lifting lugs of test block cantilever away from
From changing, under the action of loading counterweight 8, scooter 7 will slide on load rope 6, minimum in gravitional force
State.At this point, load rope 6 is still within tensioning state, still is able to sustainedly and stably under the gravity of load counterweight 8
Pressure is provided between friction test ring 2 and two friction test blocks 5, realizes continual and steady load.
As depicted in figs. 1 and 2, the driving transmission system is small by a big belt pulley 10, one of driving motor 9, one
Belt pulley 11 and a driving belt 12 form；The driving motor 9 is mounted on the engine base of 16 bottom end rail of the base seat support,
The big belt pulley 10 is connect by flat key with the output shaft Driven by Coaxial of driving motor 9, and the small belt pulley 11 passes through flat key
In the intermediate rotary shaft 1 right over big belt pulley 10, the big belt pulley 10 passes through driving belt with small belt pulley 11
12 are sequentially connected.The power that the driving motor 9 is rotated as driving friction test ring 2, the power that driving motor 9 exports is successively
Via big belt pulley 10, driving belt 12 and small belt pulley 11, it is finally transmitted to intermediate rotary shaft 1, and by 1 band of intermediate rotary shaft
2 synchronous rotary of dynamic friction proving ring.The driving motor 9 is drivingly connected with drive motor controller, the output work of driving motor 9
The control of rate electric machine controller driven.
When carrying out friction-wear test, the rotating speed of friction test ring 2 is arranged according to test requirements document by experimenter.Driving motor
Controller controls driving motor 9 according to setting speed, and the real-time rotating speed of intermediate rotary shaft 1 is monitored by speed probe 15,
The closed-loop control to driving motor 9 is realized with this.Power is transferred to intermediate rotation by 9 output shaft of driving motor by tape handler
Small belt pulley 11 in shaft 1, and then friction test ring 2 is driven to be rotated with specified rotating speed.
As shown in Figure 1, the measurement acquisition system is by one group of compression force snesor, 13, one groups of friction force sensors 14, one
Group speed probe 15 and data acquisition display system composition, the compression force snesor 13 and friction force sensor 14 are respectively mounted
On test block cantilever 4, the speed probe 15 is mounted on the corresponding base seat support in 1 shaft end of intermediate rotary shaft 16.
As shown in fig. 6, the compression force snesor 13 is made of four pressing force foil gauges, the pressing force foil gauge point
It is not arranged in the cantilever upper and lower surface at the lifting lug of two 4 lower ends of test block cantilever, it is outstanding accurately to measure place
The deformation of arm section, and then acquired under the pulling force effect of load rope 6 by calculating, friction test ring 2 and friction test
Pressing force size between block 5.The compression force snesor 13 is made of four frictional force foil gauges, the frictional force foil gauge
It is arranged in the cantilever upper and lower surface of the test block clamp device junction of two 4 lower ends of test block cantilever, uses
Accurately to measure the deformation situation of place cantilever segment, acquired between friction test block 5 and friction test ring 2 with this by calculating
Frictional force size.
The compression force snesor 13 and friction force sensor 14 are connect with data acquisition display system signals respectively, described
Data acquire the strained situation that display system is acquired according to force snesor 13 and friction force sensor 14 is compressed, and calculate correspondence
Real-time pressing force suffered by cantilever segment and frictional force, and on this basis, find out the parameters such as real-time friction factor.Finally by
Real-time test data is shown to tester by data acquisition display system, and is kept records of, and is used for analysis result.
The speed probe 15 is mounted on by bolt on the corresponding base seat support in 1 shaft end of intermediate rotary shaft 16, with reality
When measure the speed conditions of intermediate rotary shaft 1, the speed probe 15 connect with drive motor controller signal, by intermediate rotation
The real-time rotary speed data of shaft 1 is sent to drive motor controller, to realize the closed-loop control to driving motor 9；The rotating speed
Sensor 15 is also connect with data acquisition display system signals, and real-time rotary speed data is sent to data acquisition display system
System, record preserve, and analyze and use for experimenter.
Specific test process described in the utility model based on the secondary multifunction friction wear testing machine of ring block friction is as follows：
By being combined installation, it can be achieved that a variety of friction pairs are rubbed from positive and negative both direction to the test block cantilever 4
Wear testing is wiped, specific test process is as follows：
One, the friction pair parallel test of same material：
As shown in figure 4, by the positive installation of two test block cantilevers 4, same material is installed below two test block cantilevers 4
Friction test block 5, at this time two friction test blocks 5 along friction test ring 2 setting axially back and forth, drive transmission device drive
Friction test ring 2 in intermediate rotary shaft 1 rotates, and load maintainer is by the ends of two test block cantilevers 4 to friction test block 5
Apply pressure, two friction test blocks 5 are in contact respectively with the front and back section of friction test ring 2 to mill, and along 2 axis of friction test ring
To front and back two sections of mutual indepedent and parallel friction tracks are formed, due to the friction of two friction test blocks 5 and friction test ring 2
Track is staggered misaligned, therefore the experiment of two rings independently carried out-block is can be considered, due to the material phase of two friction test blocks 5
Together, it is equivalent to and is carried out at the same time two parallel laboratory tests；
During experiment carries out, by the strain data for measuring two test block cantilevers of acquisition system pair, 4 respective cantilevered section
It is acquired in real time, calculates the pressing force and frictional force data obtained between two friction test blocks 5 and friction test ring 2, into
And in real time at the same time the parameters such as friction factor detect the rotating speed of intermediate rotary shaft 1 by measuring acquisition system in real time,
To carry out closed-loop control to driving motor 9.
Two, the friction pair contrast test of different materials：
As shown in figure 4, by the positive installation of two test block cantilevers 4, different materials are installed below two test block cantilevers 4
Friction test block 5, two friction test blocks 5 are along the setting axially back and forth of friction test ring 2, two friction test blocks 5 at this time
Be in contact with the front and back section of friction test ring 2 respectively to mill, and along friction test ring 2 be axially formed front and back two sections it is mutual indepedent and
Parallel friction track, due to the friction track of two friction test blocks 5 and friction test ring 2 be staggered it is misaligned, therefore it is visual
Ring-block the experiment independently carried out for two very can be compared intuitively at this time since the material of two friction test blocks 5 is different
The frictional behaviour of two kinds of material friction pairs；
During experiment carries out, by the strain data for measuring two test block cantilevers of acquisition system pair, 4 respective cantilevered section
It is acquired in real time, calculates the pressing force and frictional force data obtained between two friction test blocks 5 and friction test ring 2, into
And in real time at the same time the parameters such as friction factor detect the rotating speed of intermediate rotary shaft 1 by measuring acquisition system in real time,
To carry out closed-loop control to driving motor 9.
Three, the friction pair synergistic effect experiment of different materials：
As shown in figure 5, two test block cantilevers 4 are reversely installed, two kinds of differences are installed below two test block cantilevers 4
The friction test block 5 of material, such as two different macromolecule polymer materials, two friction test blocks 5 are along friction test at this time
The axial position of ring 2 coincides, and two friction test blocks 5 coincide to the friction track of mill with friction test ring 2, two frictions
Be formed by with friction test ring 2 the two secondary friction behaviors of friction of test block 5 influence each other, and act synergistically, at this time can be into
The experiment that two kinds of different materials of row act synergistically on a friction test ring cooperates with rubbing action mechanism with research；
During experiment carries out, by the strain data for measuring two test block cantilevers of acquisition system pair, 4 respective cantilevered section
It is acquired in real time, calculates the pressing force and frictional force data obtained between two friction test blocks 5 and friction test ring 2, into
And the parameters such as real-time friction factor are obtained, at the same time, the rotating speed of intermediate rotary shaft 1 is examined in real time by measuring acquisition system
It surveys, to carry out closed-loop control to driving motor 9.
Claims (7)
1. a kind of multifunction friction wear testing machine secondary based on the friction of ring block, it is characterised in that：
By the mechanical support system for installing bearing function component, ring rub soon vice mechanism, load maintainer, driving transmission system
It is formed with acquisition system is measured；
The ring rubs vice mechanism by intermediate rotary shaft (1), friction test ring (2), test block cantilever (4) and friction test block soon
(5) it forms, intermediate rotary shaft (1) both ends are rotatably mounted in the middle part of mechanical support system, and the friction test ring (2) is coaxial
In intermediate rotary shaft (1), the top of two test block cantilevers (4) is hinged on right over intermediate rotary shaft (1)
In mechanical support system, and the rotation axis of two test block cantilevers (4) is parallel with intermediate rotary shaft (1), described in two
Friction test block (5), the test block (5) and friction test ring (2) formation is fixedly mounted in the stage casing of test block cantilever (4) respectively
Friction is secondary；
Axis front and back setting of the top and stage casing of the test block cantilever (4) along the intermediate rotary shaft (1) so that two examinations
When testing block cantilever (4) forward direction installation, the friction test block (5) in stage casing is along the front and back distribution of intermediate rotary shaft (1) axis, two examinations
When testing block cantilever (4) and reversely installing, the friction test block (5) in stage casing is overlapped along intermediate rotary shaft (1) axial location；
The load maintainer is connected to the end of two test block cantilevers (4), the load maintainer by test block cantilever (4) to
Apply load between friction test block (5) and friction test ring (2)；
The driving transmission system is sequentially connected with intermediate rotary shaft (1), to provide rotary driving force；
The acquisition system that measures analyzes friction test block by acquiring the stress-strain signal of test block cantilever (4) in real time
(5) the fretting wear situation between friction test ring (2).
2. a kind of multifunction friction wear testing machine secondary based on the friction of ring block as described in claim 1, it is characterised in that：
The upper end of the test block cantilever (4) is equipped with bearing block, and the upper end of two test block cantilevers (4) is pacified by bearing (17)
It is axially fixed on the hinged shaft on mechanical support system top, and by stop nut.
3. a kind of multifunction friction wear testing machine secondary based on the friction of ring block as claimed in claim 1 or 2, it is characterised in that：
The friction test block (5) is fixedly mounted on the stage casing of test block cantilever (4) by test block fixing device (41), described
Test block fixing device (41) is the groove that a shape matches with friction test block (5), is filled at the lateral opening of groove
Equipped with adjustment bolt (42) and nut, the contraction and expansion of groove, Jin Ershi are realized by screwing or unscrewing adjustment bolt (42)
Now friction test block (5) is tightened or loosened.
4. a kind of multifunction friction wear testing machine secondary based on the friction of ring block as described in claim 1, it is characterised in that：
The cooperation of cone inclined-plane is used between the friction test ring (2) and intermediate rotary shaft (1), and is transmitted and moved by flat key connection
Axial restraint is realized by being tightened on the fastening nut (3) of intermediate rotary shaft (1) in the end of power, friction test ring (2).
5. a kind of multifunction friction wear testing machine secondary based on the friction of ring block as described in claim 1, it is characterised in that：
The load maintainer is made of load rope (6), scooter (7) and load counterweight (8)；
The both ends of the load rope (6) are connected to the end of two test block cantilevers (4)；
The scooter (7) is made of pulley (71) and counterweight frame (72) connection, and the pulley (71) passes through the cunning on its circumference
Wheel annular groove is slidably mounted on load rope (6)；
Counterweight frame (72) upper end passes through the axis of pulley (71) and the front/rear end both sides mounted on pulley (71), described to add
Counterweight (8) is carried to be placed under counterweight frame (72) on end breaket.
6. a kind of multifunction friction wear testing machine secondary based on the friction of ring block as described in claim 1, it is characterised in that：
The driving transmission system is by driving motor (9), big belt pulley (10), small belt pulley (11) and driving belt (12) group
At；
The driving motor (9) is mounted on mechanical support system lower part, the output of the big belt pulley (10) and driving motor (9)
Axis coaxial transmission connects, and the small belt pulley (11) connect with intermediate rotary shaft (1) coaxial transmission, the big belt pulley (10) and
Small belt pulley (11) is sequentially connected by driving belt (12).
7. a kind of multifunction friction wear testing machine secondary based on the friction of ring block as described in claim 1, it is characterised in that：
The measurement acquisition system is by compression force snesor (13), friction force sensor (14), speed probe (15) and data
Acquire display system composition；
The compression force snesor (13) is made of four pressing force foil gauges, and the pressing force foil gauge is arranged in two
In the cantilever upper and lower surface of test block cantilever (4) end；
The compression force snesor (13) is made of four frictional force foil gauges, and the frictional force foil gauge is arranged in two
In the cantilever upper and lower surface of friction test block (5) junction in test block cantilever (4) stage casing；
The compression force snesor (13) and friction force sensor (14) are connect with data acquisition display system signals respectively；
Speed probe (15) arrangement is mounted on the shaft end of intermediate rotary shaft (1), to measure intermediate rotary shaft (1) in real time
Rotating speed, the speed probe (15) acquires display system with data respectively and drive motor controller signal is connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820052024.5U CN207675574U (en) | 2018-01-12 | 2018-01-12 | A kind of multifunction friction wear testing machine secondary based on the friction of ring block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820052024.5U CN207675574U (en) | 2018-01-12 | 2018-01-12 | A kind of multifunction friction wear testing machine secondary based on the friction of ring block |
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|---|---|---|---|
| CN201820052024.5U Expired - Fee Related CN207675574U (en) | 2018-01-12 | 2018-01-12 | A kind of multifunction friction wear testing machine secondary based on the friction of ring block |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267378A (en) * | 2018-01-12 | 2018-07-10 | 吉林大学 | A kind of multifunction friction wear testing machine secondary based on the friction of ring block and its test method |
| CN112730127A (en) * | 2020-12-11 | 2021-04-30 | 江苏大学 | Multi-working-condition ring block friction testing machine |
| CN113376047A (en) * | 2021-07-05 | 2021-09-10 | 西南交通大学 | Rotary reciprocating friction testing machine |
| CN114813429A (en) * | 2022-06-23 | 2022-07-29 | 江苏慈美新材料科技有限公司 | UV heat-transfer die performance detecting system |
-
2018
- 2018-01-12 CN CN201820052024.5U patent/CN207675574U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267378A (en) * | 2018-01-12 | 2018-07-10 | 吉林大学 | A kind of multifunction friction wear testing machine secondary based on the friction of ring block and its test method |
| CN108267378B (en) * | 2018-01-12 | 2023-09-29 | 吉林大学 | Multifunctional friction and wear testing machine based on ring block friction pair and testing method thereof |
| CN112730127A (en) * | 2020-12-11 | 2021-04-30 | 江苏大学 | Multi-working-condition ring block friction testing machine |
| CN112730127B (en) * | 2020-12-11 | 2022-08-23 | 江苏大学 | Multi-working-condition ring block friction testing machine |
| CN113376047A (en) * | 2021-07-05 | 2021-09-10 | 西南交通大学 | Rotary reciprocating friction testing machine |
| CN113376047B (en) * | 2021-07-05 | 2022-11-01 | 西南交通大学 | Rotary reciprocating friction testing machine |
| CN114813429A (en) * | 2022-06-23 | 2022-07-29 | 江苏慈美新材料科技有限公司 | UV heat-transfer die performance detecting system |
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