CN104990822B - A kind of reciprocating friction abrasion tester - Google Patents
A kind of reciprocating friction abrasion tester Download PDFInfo
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- CN104990822B CN104990822B CN201510426450.1A CN201510426450A CN104990822B CN 104990822 B CN104990822 B CN 104990822B CN 201510426450 A CN201510426450 A CN 201510426450A CN 104990822 B CN104990822 B CN 104990822B
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- eccentric wheel
- guide rod
- seat
- fixed seat
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Abstract
A kind of reciprocating friction abrasion tester, including rack, motor, connecting rod, reciprocal guide rod, experiment fixed seat, loading bolt；Motor below framework platform drives connecting rod by belt wheel and retarder；Connecting rod drives reciprocal guide rod to move reciprocatingly, test part is installed to experiment fixed seat, loading bolt carries out pressure-loaded to test part, it tests fixed seat lower end and electric heating tube is housed, upper end is equipped with thermocouple, electric heating tube heats air in test fixed seat, so as to be heated to test part and the friction surface of Cyclic test bar；Heating temperature is controlled by two thermocouples.Reciprocating friction abrasion tester of the invention, it is primary that two test parts are installed simultaneously, it is capable of the actual condition of simulation arc face friction pair, part friction and wear behavior can be detected under set temperature and loading force, after the test number (TN) of reciprocating friction.
Description
Technical field
The present invention relates to testing machine fields, especially a kind of to rub at a certain temperature suitable for the part of arc surface
The reciprocating friction abrasion tester of wear test.
Technical background
There are many existing frictional testing machines, such as has end face frictional wear tester, ring block friction wear testing machine etc.,
These testing machines are all that the frictional behaviour of material is tested；Common parts with frication pair generally has flat frictional pair and circle
Arcuate friction pair, the part of flat frictional pair, can use as end face frictional wear tester, ring block friction wear testing machine into
Row experiment, and arc surface parts with frication pair can not then use these testing machines, and these testing machines are mostly to carry out at room temperature
Experiment, and when part really uses, it may be possible to it runs at a certain temperature, usually experiment is one test of once mounting
Part.
Invention content
The present invention seeks to avoid the shortcoming present in the above-mentioned prior art, provide a kind of reciprocating friction abrasion
Testing machine, it is primary that two test parts are installed simultaneously, can the secondary actual condition of simulation arc face friction, can be to circle
Cambered surface friction pair part carries out friction-wear test, under set temperature and loading force, after the test number (TN) of reciprocating friction,
Detect part friction and wear behavior：Such as friction factor, wear extent and surface abrasion form.
The technical problems to be solved by the invention are achieved through the following technical solutions：A kind of reciprocating friction abrasion examination
Test machine, which is characterized in that including rack, motor, eccentric wheel assembly, connecting rod, reciprocal guide rod, test holder assembly；Mounted on machine
Motor below body panel is connected by belt wheel with the input terminal of retarder, and the output terminal of retarder is by shaft coupling by motor
Rotary motion is transmitted to eccentric wheel assembly；The eccentric wheel assembly is made of eccentric wheel base, eccentric wheel, eccentric wheel connecting shaft,
Radial direction kidney slot is provided on eccentric wheel, shaft coupling is connected with eccentric wheel wheel shaft, and eccentric wheel is fixed on rack by eccentric wheel base and puts down
Above platform, eccentric wheel connecting shaft is fixed on radial direction kidney slot, by adjusting position tune of the eccentric wheel connecting shaft on kidney slot
Whole eccentricity, you can adjust the reciprocating stroke of testing machine；Reciprocal guide rod is fixed on by reciprocal guide rod seat on framework platform,
Sensor for countering for recording guide rod times of exercise, one end of connecting rod and reciprocal guide rod are installed in reciprocal guide rod seat
It is connected, the other end is connected with eccentric wheel connecting shaft；Test holder assembly is fixed on above framework platform, past by push/pull force snesor
Multiple check bar, experiment fixed seat composition test fixed seat and are rectangular and have hollow molded cavity and be fixed on rack table, top
Four sides is machined with two pairs of orthogonal holes, and a pair of holes is used for across Cyclic test bar, and the both sides of another device to hole install zero respectively
Part seat, with guide rod seat, reciprocal guide rod on an axis, Cyclic test bar connects Cyclic test bar with push/pull power sensing
Afterwards, then with reciprocal guide rod it connect；Test part is put into element mounting, and element mounting is installed in experiment fixed seat, loading bolt
Seat is loaded by elasticity, pressure-loaded is carried out to test part, test part loads seat from two side compression Cyclic test bars, elasticity
Equipped with mandril is loaded between test part, it is equipped between loading mandril and elasticity loading seat big for testing pressure applied
Small pressure sensor；Fixed seat lower end is tested equipped with electric heating tube, upper end is equipped with thermocouple, and electric heating tube is to testing fixed seat
Interior air is heated, so as to be heated to test part and the friction surface of Cyclic test bar；Heating temperature is by two heat
Galvanic couple is controlled.
Compared with the prior art, beneficial effects of the present invention are embodied in：
1st, electric heating tube and thermocouple are equipped in the present invention, electric heating tube is to test part and Cyclic test bar and its part
Environment is heated, and heating temperature is controlled by thermocouple, so as to set temperature simulation test part under actual condition
Fretting wear situation；
2nd, the present invention installs element mounting respectively in the both sides of Cyclic test bar, primary to install two test parts simultaneously, no
Improve only test efficiency, moreover it is possible to contrast test be done under the same conditions to the test part of two different materials, avoided because of examination
Test influence of the condition variation to result of the test.
Description of the drawings
Fig. 1 is reciprocating testing machine structure figure of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the test bench assembly assumption diagram of reciprocating testing machine of the present invention.
Figure label：01 rack, 02 motor, 03 belt wheel, 04 retarder, 05 shaft coupling, 06 eccentric wheel, the connection of 07 eccentric wheel
Axis, 08 connecting rod, 09 sensor for countering, 10 reciprocal guide rod seats, 11 reciprocal guide rods, 12 test holder assemblies, 13 push/pull power sensing
Device, 14 Cyclic test bars, 15 experiment fixed seats, 16 heating tubes, 17 test parts, 18 thermocouples, 19 element mountings, 20 loading tops
Bar, 21 loading bolts, 22 elasticity loading seats, 23 pressure sensors.
Specific embodiment
Embodiment
Fig. 1 is reciprocating testing machine structure figure of the present invention, and Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is of the present invention
The test bench assembly assumption diagram of reciprocating testing machine；With reference to Fig. 1~Fig. 3, the present invention is further described.
The technical problems to be solved by the invention are realized by following device：A kind of reciprocating friction abrasion tester,
It is characterised in that it includes rack 01, motor 02, eccentric wheel assembly, connecting rod 08, reciprocal guide rod 11, test holder assembly 12；Installation
Motor 02 below 01 platform of rack is connected by belt wheel 03 with the input terminal of retarder 04, and the output terminal of retarder 04 passes through
The rotary motion of motor 02 is transmitted to eccentric wheel assembly by shaft coupling 05；The eccentric wheel assembly is by eccentric wheel base, eccentric wheel
06th, eccentric wheel connecting shaft 07 forms, and radial direction kidney slot is provided on eccentric wheel 06, and shaft coupling 05 is connected with 06 wheel shaft of eccentric wheel, partially
Heart wheel 06 is fixed on by eccentric wheel base above 01 platform of rack, and eccentric wheel connecting shaft 07 is fixed on radial direction kidney slot, passes through
Adjust position adjustment eccentricity of the eccentric wheel connecting shaft 07 on kidney slot, you can adjust the reciprocating stroke of testing machine；Back and forth lead
It is fixed on 01 platform of rack by reciprocal guide rod seat 10 to bar 11, is equipped in reciprocal guide rod seat 10 and is oriented to for recording
The sensor for countering 09 of 11 times of exercise of bar, one end of connecting rod 08 are connected with reciprocal guide rod 11, and the other end is connect with eccentric wheel
Axis 07 is connected；Test holder assembly 12 is fixed on above 01 platform of rack, by push/pull force snesor 13, Cyclic test bar 14, experiment
Fixed seat 15 forms, and experiment fixed seat 15 is rectangular and has hollow molded cavity and be fixed on 01 table top of rack, and top four sides adds
Work has two pairs of orthogonal holes, and a pair of holes is used for across Cyclic test bar 14, and element mounting is installed in the both sides of another device to hole respectively
19, with guide rod seat 10, reciprocal guide rod 11 on an axis, Cyclic test bar 14 passes Cyclic test bar 14 with push/pull power
After 13 connection of sense, then it connect with reciprocal guide rod 11；Test part 17 is put into element mounting 19, and it is solid that element mounting 19 is installed to experiment
In reservation 15, loading bolt 21 loads 22 pairs of test parts 17 of seat by elasticity and carries out pressure-loadeds, and test part 17 is from both sides
Cyclic test bar 14 is compressed, equipped with loading mandril 20, loading mandril 20 and elasticity between elasticity loading seat 22 and test part 17
The pressure sensor 23 for being used for testing pressure applied size is housed between loading seat 22；15 lower end of fixed seat is tested equipped with electricity
Heating tube 16, upper end are equipped with thermocouple 18, and electric heating tube 16 heats air in test fixed seat 15, so as to test zero
Part 17 and the friction surface of Cyclic test bar 14 are heated；Heating temperature is controlled by two thermocouples 18.
During experiment, experiment fixed seat 15 and element mounting 19 are first opened, it is fixed after part 17 to be tested is put into, then turn
Loading bolt 21 carries out test part 17 to be loaded into required pressure, applies the pressure carried and is measured by pressure sensor 23；So
After open power supply, electric heating tube 16 is made to heat air in test fixed seat 15, so as to test part 17 with toward retrial
The friction surface for testing bar 14 carries out being heated to required temperature；Heating temperature is controlled by thermocouple 18；Then motor 02 is opened,
Motor 02 drives retarder 04 by belt wheel 03, and the rotary motion of motor 02 is transmitted to bias by retarder 04 by shaft coupling 05
On wheel 06, the rotation eccentric wheel connecting shaft 07 of eccentric wheel 06 moves in a circle, and adjusts eccentric wheel connecting shaft 07 on kidney slot
Position can adjust the reciprocating stroke of testing machine；Eccentric wheel connecting shaft 07 drives reciprocal guide rod 11 by connecting rod 08, back and forth leads
The sensor for countering 09 installed on pole socket 10 is used for recording the times of exercise of guide rod 11, and reciprocal guide rod 11 is driven toward retrial
Bar 14 is tested to move reciprocatingly.The pressure of application in test part and the frictional force on corresponding test part surface are respectively by pressure
Sensor 23 and push/pull force snesor 13 are measured, and the time of oscillation cycle can be controlled by regulation motor 02, past
The number in multiple period is controlled by sensor for countering 09；After the time required parameter is reached, motor 02 is stopped, and electricity adds
Heat pipe 16 also stops heating, and experiment process terminates.
More further, retarder 04 of the present invention is worm type of reduction gearing, and shaft coupling 05 is crosshead shoe shaft coupling
Device belt wheel 27 is V-belt wheel；The outer surface of Cyclic test bar 14 is processed according to the tested surface of test part 17, and the two is formed
Arc surface friction is secondary.
Claims (1)
1. a kind of reciprocating friction abrasion tester, which is characterized in that including rack（01）, motor（02）, eccentric wheel assembly, company
Bar（08）, reciprocal guide rod（11）, test holder assembly（12）；Mounted on rack（01）Motor below platform（02）Pass through belt wheel
（03）With retarder（04）Input terminal be connected, retarder（04）Output terminal pass through shaft coupling（05）By motor（02）Rotation
Movement is transmitted to eccentric wheel assembly；The eccentric wheel assembly is by eccentric wheel base, eccentric wheel（06）, eccentric wheel connecting shaft（07）Group
Into eccentric wheel（06）On be provided with radial direction kidney slot, shaft coupling（05）With eccentric wheel（06）Wheel shaft is connected, eccentric wheel（06）By inclined
Heart wheel seat is fixed on rack（01）Above platform, eccentric wheel connecting shaft（07）It is fixed on radial direction kidney slot, it is eccentric by adjusting
Take turns connecting shaft（07）Position adjustment eccentricity on kidney slot, you can adjust the reciprocating stroke of testing machine；Reciprocal guide rod
（11）Pass through reciprocal guide rod seat（10）It is fixed on rack（01）On platform, reciprocal guide rod seat（10）On be equipped with for recording
Guide rod（11）The sensor for countering of times of exercise（09）, connecting rod（08）One end and reciprocal guide rod（11）It is connected, the other end
With eccentric wheel connecting shaft（07）It is connected；Test holder assembly（12）It is fixed on rack（01）Above platform, by push/pull force snesor
（13）, Cyclic test bar（14）, test fixed seat（15）Composition tests fixed seat（15）It is rectangular and with hollow molded cavity and solid
It is scheduled on rack（01）On table top, top four sides is machined with two pairs of orthogonal holes, and a pair of holes is used for across Cyclic test bar
（14）, element mounting is installed in the both sides of another device to hole respectively（19）, Cyclic test bar（14）With guide rod seat（10）, reciprocal guide rod
（11）On an axis, Cyclic test bar（14）It is sensed with push/pull power（13）After connection, then with reciprocal guide rod（11）Even
It connects；Test part（17）It is put into element mounting（19）It is interior, element mounting（19）It is installed to experiment fixed seat（15）In, loading bolt（21）
Seat is loaded by elasticity（22）To test part（17）Carry out pressure-loaded, test part（17）From two side compression Cyclic test bars
（14）, elasticity loading seat（22）And test part（17）Between equipped with loading mandril（20）, load mandril（20）It is loaded with elasticity
Seat（22）Between be equipped with and be used for testing the pressure sensor of pressure applied size（23）；Test fixed seat（15）Lower end is equipped with
Electric heating tube（16）, upper end is equipped with thermocouple（18）, electric heating tube（16）To testing fixed seat（15）Interior air is heated, from
And to test part（17）With Cyclic test bar（14）Friction surface heated；Heating temperature is by two thermocouples（18）Into
Row control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426450.1A CN104990822B (en) | 2015-07-17 | 2015-07-17 | A kind of reciprocating friction abrasion tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426450.1A CN104990822B (en) | 2015-07-17 | 2015-07-17 | A kind of reciprocating friction abrasion tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104990822A CN104990822A (en) | 2015-10-21 |
| CN104990822B true CN104990822B (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510426450.1A Expired - Fee Related CN104990822B (en) | 2015-07-17 | 2015-07-17 | A kind of reciprocating friction abrasion tester |
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| CN113092360B (en) * | 2021-03-30 | 2022-03-22 | 燕山大学 | Device and method for testing friction of arc-shaped surface under vibration condition |
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| Publication number | Publication date |
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| CN104990822A (en) | 2015-10-21 |
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