CN102147341B - A kind of contact fatigue tester for bearing roller - Google Patents
A kind of contact fatigue tester for bearing roller Download PDFInfo
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- CN102147341B CN102147341B CN201010599535.7A CN201010599535A CN102147341B CN 102147341 B CN102147341 B CN 102147341B CN 201010599535 A CN201010599535 A CN 201010599535A CN 102147341 B CN102147341 B CN 102147341B
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Abstract
A kind of contact fatigue tester for bearing roller and method of operating are by fuselage, drive disk assembly frame, testing machine main body, loading system, lubricating system, automatically controlled test macro, mair motor, main transmission train, loads train, supporting wheel systems, location train, accompanies examination roller, and test roller is formed; Below fuselage, middle part arranges drive disk assembly frame, above drive disk assembly frame, mair motor is set, testing machine main body is set in the middle part of body upper, testing machine main body side arranges loading system, opposite side arranges automatically controlled test macro, arrange lubricating system above loading system, the belt wheel periphery, mair motor side below main transmission train side and fuselage arranges driving-belt.Testing machine should be arranged in the environment that meets needed for roller test, around should completely cut off with dust, and vibration is less.Electric appliance circuits insulation is good, and electrical connector is good, and frequency converter is working properly, and loading system is working properly, and each position securing member is connected firmly, and manufacturing process is simple, saves time, production cost, reduces waste product, waste of material.
Description
Technical field
The present invention relates to testing machine, especially a kind of roller contact fatigue tester and method of operating.
Background technology
Roller is the critical component of bearing.Roller contact fatigue tester is to roller, particularly rolling surface is carried out to the special purpose test equipment of the rolling contact fatigue life test under linear contact lay condition with the roller of convexity.The main application of this testing machine is: the short columnar roller of standard and rolling surface are carried out to the rolling contact fatigue life test under linear contact lay condition with the roller of convexity.Rolling surface is carried out to the contrast test of the rolling contact fatigue life under linear contact lay condition with the roller of different convexity amounts or different Crowned Profiles.Contact fatigue life simulation test is carried out to roller material, processing technology.Two key issues caught by this testing machine: one is the repeatability (the test roller of same specification of the same type, its rotating speed, test load are similar with lubricating condition) of the test condition realizing linear contact lay; Two are driving rolls systems, back-up roller train, load roller system and accompany design machining precision and the material hardness of examination roller system.This testing machine has rational basic structure and test principle, will be strict with during the Element Design that carrying rotates from precision, hardness, and want accurate stable to the load that test roller applies, test parameters is easy to adjust, and test accurately.In order to solve the problem, provide following technical scheme.
Summary of the invention
In order to solve, diameter is φ 20 ~ φ 45mm, length is the roller of 20 ~ 60mm in the present invention, the deficiency of the technical matters in contact fatigue test, by rational design, a kind of roller contact fatigue tester and method of operating are provided, under oil jet lubrication environment when hydraulic loaded 2 ~ 30KN, maximum speed 10000rpm smoothly, safety, to finish the work accurately, and then effectively improve the quality of products, work efficiency.
The present invention, in order to solve the problem, provides following technical scheme, is by fuselage, drive disk assembly frame, testing machine main body, loading system, lubricating system, automatically controlled test macro, mair motor, main transmission train, loads train, supporting wheel systems, location train, accompanies examination roller, and test roller is formed; Below fuselage, middle part arranges drive disk assembly frame, above drive disk assembly frame, mair motor is set, testing machine main body is set in the middle part of body upper, testing machine main body side arranges loading system, opposite side arranges automatically controlled test macro, arrange lubricating system above loading system, the belt wheel periphery, mair motor side below main transmission train side and fuselage arranges driving-belt;
Arrange main transmission train in the middle part of testing machine main body, main transmission train arranges loading train in the middle part of side, arranges location train in the middle part of opposite side; The top of main transmission train, load to arrange inside train and location train and accompany examination roller for a pair, accompany in the middle part of examination roller and place test roller, above test roller, supporting wheel systems is set.
With specific purpose tool, test roller is delivered to shown position by side during installation test roller, test can be carried out; Roller sucking-off will be tested with (instrument of carry magnet) during dismounting test roller.
Accompany examination roller if need change, installation steps are as follows:
1. loading train and location train are drawn to both sides, try roller side (50mm) put in two being accompanied;
2. the position of debugging location train, meets state when testing;
3. load train push away to main driving wheel direction, to two accompany examination roller and supporting wheel systems between gap slightly larger than the diameter testing roller;
4. with specific purpose tool test roller delivered to by side and accompany examination both rollers medium position;
5. loading train imposed load, accompanying that try roller tangent to loading train and a left side, main transmission train and two accompanies that try roller all tangent, locates train and the right side and accompanies that to try roller tangent, test roller and two accompany try roller, supporting wheel systems homogeneous phase is cut to and stops, start to test.
1, testing machine working specification:
(1) by sample wiped clean, numbering.
(2) testing machine main body assembling, each parts will clean up, and assembling meets the technical requirement of assembling drawing.
(3) test condition and test program is formulated by related standards.
(4) hydraulic system is without grit, and keeps clean.
(5) check that the pipeline of hydraulic loading system connects intact.
(6) base of loading system and guide rail connect flexibility and reliability.
(7) each parts of kinematic train and coupling component want reliable, rotate by hand without dead point, ensure to realize rated speed.
(8) check electrically whether reliable, correct with test wiring.
(9) check that other interface units tighten as: the plug-in unit such as motor plug, pull pressure sensor inserts firmly by specification.
(10) computer host function plate ensures to contact reliably with the various parts of broadcasting between interface box, does not loosen.
(11), before official test, " host-initiated ", " lubrication motor startup ", " loading motor startup " must be opened, and " Loading Control selection " and " Loading Control mode " are threaded to automatic transmission, can depend on the needs during debugging.
(12) check that whether computing machine, printer be intact.
2, computer software operation instructions:
Click the shortcut of program on the table or click " application program " under program installation directory, through of short duration start-up course, software supervision interface can be entered.
The invention has the beneficial effects as follows: testing machine should be arranged in the environment that meets needed for roller test, around should completely cut off with dust, and vibration is less.Electric appliance circuits insulation is good, and electrical connector is good, and frequency converter is working properly, and loading system is working properly, each position securing member is connected firmly, and manufacturing process is simple, easy to use, easily obtains accurate experimental data, improve the quality of products, save time, production cost, reduce waste product, waste of material.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be described.
Fig. 1 is, general assembly structural representation of the present invention.
Fig. 2 is, general assembly texture edge schematic diagram of the present invention.
Fig. 3 is, testing machine agent structure schematic diagram.
In Fig. 1 .2.3, fuselage 1, drive disk assembly frame 2, testing machine main body 3, loading system 4, lubricating system 5, automatically controlled test macro 6, mair motor 7, main transmission train 8, loads train 9, supporting wheel systems 10, location train 11, accompanies examination roller 12, test roller 13.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further described:
Embodiment 1
As shown in Fig. 1,2,3, below fuselage 1, middle part arranges drive disk assembly frame 2, mair motor 7 is set above drive disk assembly frame 2, fuselage 1 upper center arranges testing machine main body 3, testing machine main body 3 side arranges loading system 4, opposite side arranges automatically controlled test macro 6, arranges lubricating system 5 above loading system 4, and the belt wheel periphery, mair motor 7 side below main transmission train 8 side and fuselage 1 arranges driving-belt;
Embodiment 2
Arrange main transmission train 8 in the middle part of testing machine main body 3, main transmission train 8 one middle side part arranges and loads train 9, arranges location train 11 in the middle part of opposite side; The top of main transmission train 8, load to arrange to accompany for a pair inside train 9 and location train 11 and try roller 12, accompany in the middle part of examination roller 12 and place test roller 13, test above roller 13 and supporting wheel systems 10 is set.
Embodiment 3
Delivered to by side by test roller during installation test roller and accompany examination both rollers 12 medium position, test can be carried out; Roller sucking-off will be tested with (instrument of carry magnet) during dismounting test roller.
Embodiment 4
Accompany examination roller if need change, installation steps are as follows:
Loading train 9 and location train 11 are drawn to both sides, tries roller 12 side (50mm) put in two being accompanied;
The position of debugging location train 11, meets state when testing;
Load train 9 push away to main driving wheel direction, to two accompany examination roller and supporting wheel systems between gap slightly larger than the diameter testing roller;
Test roller 13 is delivered to by side and accompanies examination both rollers 12 medium position;
Load train 9 imposed load, accompany that try roller tangent to loading train 9 and a left side, main transmission train 8 and two accompanies that to try roller all tangent, locates train 11 and the right side and accompanies that to try roller tangent, test roller 13 and two is accompanied and try roller 12, supporting wheel systems 10 homogeneous phase is cut to and stops, and starts to test.
Embodiment 5
1, testing machine working specification: with specific purpose tool test roller delivered to by side and accompany examination both rollers medium position; Load train imposed load,
(1) by sample wiped clean, numbering.
(2) testing machine main body assembling, each parts will clean up, and assembling meets the technical requirement of assembling drawing.
(3) test condition and test program is formulated by related standards.
(4) hydraulic system is without grit, and keeps clean.
(5) check that the pipeline of hydraulic loading system connects intact.
(6) base of loading system and guide rail connect flexibility and reliability.
(7) each parts of kinematic train and coupling component want reliable, rotate by hand without dead point, ensure to realize rated speed.
(8) check electrically whether reliable, correct with test wiring.
(9) check that other interface units tighten as: the plug-in unit such as motor plug, pull pressure sensor inserts firmly by specification.
(10) computer host function plate and the various plug-in units between interface box ensure to contact reliably, do not loosen.
(11), before official test, " host-initiated ", " lubrication motor startup ", " loading motor startup " must be opened, and " Loading Control selection " and " Loading Control mode " are threaded to automatic transmission, can depend on the needs during debugging.
(12) check that whether computing machine, printer be intact.
2, computer software operation instructions:
Click the shortcut of program on the table or click " application program " under program installation directory, through of short duration start-up course, software supervision interface can be entered.
Claims (1)
1. a contact fatigue tester for bearing roller, is by fuselage (1), drive disk assembly frame (2), testing machine main body (3), loading system (4), lubricating system (5), automatically controlled test macro (6), mair motor (7), main transmission train (8), loads train (9), supporting wheel systems (10), location train (11), accompanies examination roller (12) and test roller (13) to form; Middle part, fuselage (1) below arranges drive disk assembly frame (2), and drive disk assembly frame (2) top arranges mair motor (7), and fuselage (1) upper center arranges testing machine main body (3); It is characterized in that: testing machine main body (3) side arranges loading system (4), opposite side arranges automatically controlled test macro (6), loading system (4) top arranges lubricating system (5), and the belt wheel periphery, mair motor (7) side of main transmission train (8) side and fuselage (1) below arranges driving-belt; Testing machine main body (3) middle part arranges main transmission train (8), and main transmission train (8) middle side part arranges and loads train (9), arranges location train (11) in the middle part of opposite side; The top of main transmission train (8), loading train (9) arrange to accompany for a pair with inner side, location train (11) tries roller (12), accompany examination roller (12) middle part to place test roller (13), test roller (13) top arranges supporting wheel systems (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010599535.7A CN102147341B (en) | 2010-12-22 | 2010-12-22 | A kind of contact fatigue tester for bearing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010599535.7A CN102147341B (en) | 2010-12-22 | 2010-12-22 | A kind of contact fatigue tester for bearing roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102147341A CN102147341A (en) | 2011-08-10 |
| CN102147341B true CN102147341B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010599535.7A Active CN102147341B (en) | 2010-12-22 | 2010-12-22 | A kind of contact fatigue tester for bearing roller |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525428A (en) * | 2016-12-26 | 2017-03-22 | 中国航空工业集团公司西安飞机设计研究所 | Needle roller bearing life test method with rotatable outer ring |
| CN111122154B (en) * | 2020-01-10 | 2022-07-12 | 上海大学 | Three-wire contact fatigue testing machine for realizing sliding-rolling ratio working condition |
| CN111504833B (en) * | 2020-05-27 | 2023-12-12 | 河南科技大学 | Bearing steel ball loading test bed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608972Y (en) * | 2003-04-22 | 2004-03-31 | 上海大学 | Bearing ball rolling contact fatigue life testing machine |
| CN200979526Y (en) * | 2005-07-11 | 2007-11-21 | 燕山大学 | A working state simulation rolling contact fatigue test device |
| WO2008000285A1 (en) * | 2006-06-28 | 2008-01-03 | Ab Skf | A method for indicating fatigue damage of a metal object |
| CN101241044A (en) * | 2008-03-12 | 2008-08-13 | 南通大学 | High speed light loading ceramic ball rolling contact fatigue-testing machine |
| CN201974341U (en) * | 2010-12-22 | 2011-09-14 | 洛阳铭昊测控科技有限公司 | Periodic dynamic contact fatigue tester for supercritical bearing roller |
-
2010
- 2010-12-22 CN CN201010599535.7A patent/CN102147341B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608972Y (en) * | 2003-04-22 | 2004-03-31 | 上海大学 | Bearing ball rolling contact fatigue life testing machine |
| CN200979526Y (en) * | 2005-07-11 | 2007-11-21 | 燕山大学 | A working state simulation rolling contact fatigue test device |
| WO2008000285A1 (en) * | 2006-06-28 | 2008-01-03 | Ab Skf | A method for indicating fatigue damage of a metal object |
| CN101241044A (en) * | 2008-03-12 | 2008-08-13 | 南通大学 | High speed light loading ceramic ball rolling contact fatigue-testing machine |
| CN201974341U (en) * | 2010-12-22 | 2011-09-14 | 洛阳铭昊测控科技有限公司 | Periodic dynamic contact fatigue tester for supercritical bearing roller |
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| Publication number | Publication date |
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| CN102147341A (en) | 2011-08-10 |
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