CN86108220A - Vibration friction abrasion testing machine - Google Patents
Vibration friction abrasion testing machine Download PDFInfo
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- CN86108220A CN86108220A CN86108220.6A CN86108220A CN86108220A CN 86108220 A CN86108220 A CN 86108220A CN 86108220 A CN86108220 A CN 86108220A CN 86108220 A CN86108220 A CN 86108220A
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- testing machine
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- vibration friction
- abrasion testing
- friction abrasion
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Abstract
A kind of vibration friction abrasion testing machine utilizes come off mechanism [3] and sample chuck [15] of dynamometry that vibrator [1] and whole test machine are linked up, and its vibration pressure and static load pressure can be loaded simultaneously and can load respectively.Owing to can on same testing machine, carry out static load, impact, the various types of friction and wear behavior tests of vibration and contrast test to material, disclose the influence of operating load to the material friction polishing machine, thereby eliminated the factor of some error effects, improved the comparability of test.
Description
The invention belongs to tribology.
Domestic and international existing friction wear testing machine has only single type, and the friction wear testing machine of friction type again.Various tests can only be carried out respectively on different testing machines, thereby error effect is more, and influence factor is incomplete same again, so comparability is poor, even can not compare sometimes.
Because the progress of " vibrating and develop and useining " needs the friction and wear behavior of research material under vibration operating mode or friction operating mode, and vibrates the influence of material friction being learned characteristic, this just needs the vibration friction abrasion testing machine of analog vibration operating mode type.When making friction-wear test, require sample be equal to or close abrasive conditions under carry out, the test figure dispersion of gained is just little like this, test figure just has reappearance and comparability, this cause close important.
At above-mentioned every needs and requirement, the spy makes the present invention.
The present invention is the friction wear testing machine of multifunctional usage.Owing to can on same testing machine, carry out static load, impact, the various types of friction and wear behavior tests of vibration and contrast test to material, disclose the influence of operating load to the material friction polishing machine, thereby eliminated the factor of some error effects, improved the comparability of test.
Vibration friction abrasion testing machine is formed (see figure 1) by five parts:
1, vibration source part: comprise vibrator (1), sensor (2) and the dynamometry mechanism (3) that comes off.Vibrator (1) is an electromagnetic exciter, and vibration frequency and amplitude size that it produces are carried out regulating and controlling by electric control system (30).Fig. 3 is the come off cut-away view of mechanism (3) of dynamometry.Following overcoat (20) is enclosed within on the exciter shaft core (21) on the vibrator boss (19), and sliding screw (22) is contained in the sliding sleeve (23), and the flange lower surface of sliding sleeve (23) contacts with sensor (2).The exciting that vibrator sent is delivered to down style (17) or abrasive material (33) (see figure 4) by exciter shaft core (21) and contacting of sliding screw (22).Control contacting or disengaging of exciter shaft core (21) and sliding screw (22) by setting nut (24).When needs measuring vibrations pressure, rotation setting nut (24) moves up sliding screw (22), and break away from exciter shaft core (21), setting nut (24) then by with the contacting of sliding sleeve (23) upper surface, make sensor pressurized and spread out of and be subjected to force signal under the effect of vibration pressure and static pressure; When not needing measuring vibrations pressure, rotation setting nut (24) upwards moves downward with exciter shaft core (21) sliding screw (22) and contacts, and setting nut (24) disengages with sliding sleeve (23) upper surface, thereby throws off sensor.So both guarantee the measuring accuracy of sensor (2), prolonged the serviceable life of sensor (2) again.
Dynamometry the come off this vibrator (1) of mechanism (3) and the coupling arrangement of sliding screw (22) link up vibrator (1) and testing machine, and its vibration pressure and static load pressure can be loaded simultaneously, can load respectively again.Thereby be implemented on this testing machine material is carried out static load, impact, the various types of friction-wear tests of vibration.
2, variable part: comprise direct current generator (8), speed gear (9).The rotating speed of direct current generator (8) is by controllable silicon stepless speed regulation, and again through two pairs of speed gears (9) speed change, revolving shaft in the drive (11) rotates.
3, loading and sample chuck balance device: comprise pulley (10), go up revolving shaft (11), rolling body (12), upper bearing sleeve (13), counterweight (14) and sample chuck (15).Sample chuck (15), upper bearing sleeve (13), go up the revolving shaft (11) and the weight balanced controls by forming in advance of other part wherein, lean on counterweight (14) to give balance by pulley (10).Loading then can change counterweight (14), makes load directly be pressed in down sample (17) by the last sample (16) in the sample chuck (15) and goes up or be pressed in the abrasive material (33).In order to reduce the upper and lower mobile frictional resistance of upper bearing sleeve (13), between it and track, adopted rolling body (12) device.
Sample chuck (15) (see figure 2) is connected with last revolving shaft (11) by fulcrum post (26), and can be axle center trace swing with fulcrum post (26).Setting nut (27) is enclosed within on the revolving shaft (11) in the mode of screw thread, and its lower end is pressed on sample chuck (15) upper surface by elastomeric pad (25).Adjust slightly tapering of nut (27) lower end endoporus, can swing flexibly to guarantee sample chuck (15).Last sample (16) is installed in the sample chuck (15), adjust height by set screw (28) after, fixing with housing screw (29).Before beginning test, can two last samples (16) be contacted equably with following sample (17) or with abrasive material (33) by set screw (28).In process of the test, go up sample (16) possibility wear extent difference for two, at this moment by elastomeric pad (25), sample chuck (15) can be the adjusting that fulcrum carries out trace with fulcrum post (26) automatically, guarantees that going up sample (16) for two keeps in touch with following sample (17).The elastic force of setting nut (27) scalable elastomeric pad (25).
4, turning down disc portion: comprise food tray (7) or abrasive material groove (31), rotating shaft next time (6), bearing holder (housing, cover) (5), a bearing holder (housing, cover) (4), following sample (17) or abrasive material (33).The rotary disk part mainly is to transfer vibrations to the following sample (17) in the food tray (7) or be delivered to the abrasive material (33) that is contained in the abrasive material groove (31) by rotating shaft next time (6), make down sample (17) or abrasive material (33) with the motion of last sample (16) in, produce frictional resistance moment, by friction measurement device output friction force signal.
Only when carrying out abrasive grain wear test, food tray (7), following sample (17) are replaced to the abrasive material groove (31) that rubber sheet gasket (32) is housed, on rubber sheet gasket, adorn abrasive material (33) (see figure 4).
5, electric control system (30) and proving installation: comprise and measure pressure sensor (2), friction measurement device (18) and electrical control gear (30).Electrical control gear (30) is connected with testing machine from outside.
This testing machine is in concrete operations:
(1) when vibrator (1) when not working, can carry out the static load friction-wear test;
(2) maintain static when last revolving shaft (11), and during vibrator (1) work, can carry out impact wear test;
(3) when whole running work, can carry out the vibration friction abrasion test;
(4) replace food tray (7) and following sample (17) with the abrasive material groove (31) that rubber sheet gasket (32) is housed, on rubber sheet gasket, adorn abrasive material (33), can carry out abrasive grain wear test.
The contact situation of upper and lower sample is directly to influence one of reproducible principal element of test figure, is subjected to very big attention always.General friction wear testing machine adopts spherical pair joint specimen holder more now, convex-concave cooperates the sphere anufacturability relatively poor, and quality of fit requires height, because of the sphere pressurized so when actual motion, it is dumb to rotate adjusting, does not often reach self-regulating purpose.Sample chuck of the present invention (15) adopts stressed by fulcrum post (26), relies on elastomeric pad (25) automatically sample chuck (15) to be regulated, and keeps the contact of upper and lower sample (16), (17).
When the material abrasive wear behavior of this testing machine under making the vibration operating mode tested, in abrasive material groove (31), utilize the energy absorption of rubber sheet gasket (32) when impacting, make the test function simulate the low stress abrasive wear state that under edaphic condition, produces preferably, can control the contact pressure between abrasive material (33) and sample effectively.And the method for existing control abrasive thickness is to adjust by rule of thumb fully, and is not only time-consuming, and can not simulate the abrasive wear state that produces under the edaphic condition sometimes.
It is vibration source that electromagnetic exciter is adopted in this testing machine design, therefore, it than the vibration source that electricity, hydraulic pressure, machinery produce have compact conformation, have a wide reach, the advantage of reliable, reflection sensitivity easy to adjust.
Claims (4)
1, a kind of vibration friction abrasion testing machine of being made up of variable part, loading and sample chuck balance device, turning down disc portion, proving installation and electrical control is characterized in that vibrator [1] links up with testing machine by come off mechanism [3], sample chuck [15], abrasive disc [32] (during abrasive grain wear test with) of dynamometry.
2, according to the described vibration friction abrasion testing machine of claim 1, it is characterized in that the come off following overcoat (20) of mechanism (3) of dynamometry is enclosed within on the exciter shaft core (21) on the vibrator boss (19), sliding screw (22) is contained in the sliding sleeve (23), the flange lower surface of sliding sleeve (23) contacts with sensor (2), setting nut (24) control exciter shaft core (21) contacts or disengaging with sliding screw (22), and setting nut (24) contacts with sensor (2) by sliding sleeve (23) or breaks away from.
3, according to the described vibration friction abrasion testing machine of claim 1, it is characterized in that sample chuck (15) is connected with last revolving shaft (11) by fulcrum post (26), and can be axle center trace swing with fulcrum post (26), endoporus slightly taper and be enclosed within on the revolving shaft (11) in setting nut (27) lower end in the mode of screw thread, its lower end is pressed on sample chuck (15) upper surface by elastomeric pad (25), last sample (16) is installed in the sample chuck (15), adjust height with set screw (28), fixing with housing screw (29).
4, according to the described vibration friction abrasion testing machine of claim 1, it is characterized in that rubber sheet gasket (32) is housed in the abrasive material groove (31), abrasive material (33) is contained on the rubber sheet gasket (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86108220.6A CN1004516B (en) | 1986-12-06 | 1986-12-06 | Vibration friction abrasion testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86108220.6A CN1004516B (en) | 1986-12-06 | 1986-12-06 | Vibration friction abrasion testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86108220A true CN86108220A (en) | 1987-06-17 |
| CN1004516B CN1004516B (en) | 1989-06-14 |
Family
ID=4803839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86108220.6A Expired CN1004516B (en) | 1986-12-06 | 1986-12-06 | Vibration friction abrasion testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1004516B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063530A (en) * | 2012-08-16 | 2013-04-24 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
| CN103163036A (en) * | 2013-03-21 | 2013-06-19 | 上海应用技术学院 | Vibration and abrasion test bench |
| CN105628605A (en) * | 2016-03-14 | 2016-06-01 | 哈尔滨工程大学 | Test device for researching random vibration wear of foristal collar and sliding block of synchronizer and method for analyzing influence of vibration on mechanism wear coefficient |
| CN105814433A (en) * | 2013-10-09 | 2016-07-27 | 福乐尼·乐姆宝公开有限公司 | Device and method of characterization of elastic properties of friction material |
| CN106353211A (en) * | 2016-08-12 | 2017-01-25 | 国网新疆电力公司电力科学研究院 | Wear tester for electric power fittings |
| CN106644750A (en) * | 2016-12-07 | 2017-05-10 | 凌贤长 | Dynamic and static triaxial tester for frozen and thawed soil in open system |
| CN108204928A (en) * | 2018-01-10 | 2018-06-26 | 中机试验装备股份有限公司 | A kind of impact wear testing machine |
| CN108507895A (en) * | 2018-06-13 | 2018-09-07 | 吉林大学 | A kind of vertical type multifunctional friction-wear test test machine |
| CN108627333A (en) * | 2018-07-19 | 2018-10-09 | 中国人民解放军陆军装甲兵学院 | Fatigue test electromagnetic exciting loading device |
| CN114275187A (en) * | 2021-04-26 | 2022-04-05 | 北京强度环境研究所 | Vibration-static force-excitation three-comprehensive test device |
| CN114324039A (en) * | 2021-12-04 | 2022-04-12 | 吉林大学 | Bucket tooth rapid wear testing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397063C (en) * | 2005-08-18 | 2008-06-25 | 中南大学 | Dynamic and static combined rock loading experiment method and apparatus |
-
1986
- 1986-12-06 CN CN86108220.6A patent/CN1004516B/en not_active Expired
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063530B (en) * | 2012-08-16 | 2015-03-25 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
| CN103063530A (en) * | 2012-08-16 | 2013-04-24 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
| CN103163036A (en) * | 2013-03-21 | 2013-06-19 | 上海应用技术学院 | Vibration and abrasion test bench |
| CN105814433A (en) * | 2013-10-09 | 2016-07-27 | 福乐尼·乐姆宝公开有限公司 | Device and method of characterization of elastic properties of friction material |
| CN105814433B (en) * | 2013-10-09 | 2019-03-22 | 福乐尼·乐姆宝公开有限公司 | A kind of device and method for the elastic characteristic characterizing friction material |
| CN105628605B (en) * | 2016-03-14 | 2018-04-24 | 哈尔滨工程大学 | A kind of analysis method of the experimental rig and vibration of shift fork ring for studying synchronizer and the abrasion of sliding block random vibration to mechanism wear coefficient |
| CN105628605A (en) * | 2016-03-14 | 2016-06-01 | 哈尔滨工程大学 | Test device for researching random vibration wear of foristal collar and sliding block of synchronizer and method for analyzing influence of vibration on mechanism wear coefficient |
| CN106353211B (en) * | 2016-08-12 | 2019-05-14 | 国网新疆电力公司电力科学研究院 | Electric armour clamp abrasion tester |
| CN106353211A (en) * | 2016-08-12 | 2017-01-25 | 国网新疆电力公司电力科学研究院 | Wear tester for electric power fittings |
| CN106644750A (en) * | 2016-12-07 | 2017-05-10 | 凌贤长 | Dynamic and static triaxial tester for frozen and thawed soil in open system |
| CN108204928A (en) * | 2018-01-10 | 2018-06-26 | 中机试验装备股份有限公司 | A kind of impact wear testing machine |
| CN108204928B (en) * | 2018-01-10 | 2020-08-18 | 中机试验装备股份有限公司 | Impact wear testing machine |
| CN108507895A (en) * | 2018-06-13 | 2018-09-07 | 吉林大学 | A kind of vertical type multifunctional friction-wear test test machine |
| CN108507895B (en) * | 2018-06-13 | 2024-03-19 | 吉林大学 | Vertical multifunctional friction and wear test machine |
| CN108627333A (en) * | 2018-07-19 | 2018-10-09 | 中国人民解放军陆军装甲兵学院 | Fatigue test electromagnetic exciting loading device |
| CN114275187A (en) * | 2021-04-26 | 2022-04-05 | 北京强度环境研究所 | Vibration-static force-excitation three-comprehensive test device |
| CN114275187B (en) * | 2021-04-26 | 2024-02-13 | 北京强度环境研究所 | Vibration-static force-excitation three-combination test device |
| CN114324039A (en) * | 2021-12-04 | 2022-04-12 | 吉林大学 | Bucket tooth rapid wear testing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1004516B (en) | 1989-06-14 |
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