CN101625284A - Tribological performance evaluation testing machine of overloading impact of bearing - Google Patents
Tribological performance evaluation testing machine of overloading impact of bearing Download PDFInfo
- Publication number
- CN101625284A CN101625284A CN200910075041A CN200910075041A CN101625284A CN 101625284 A CN101625284 A CN 101625284A CN 200910075041 A CN200910075041 A CN 200910075041A CN 200910075041 A CN200910075041 A CN 200910075041A CN 101625284 A CN101625284 A CN 101625284A
- Authority
- CN
- China
- Prior art keywords
- bearing
- impact
- overloading
- testing machine
- lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a testing machine for testing tribological performance after a bearing bears overloading impact, which can test the tribological performances after the bearing bears the overloading impact at different impact inertias, different rotating speeds, different ambient temperatures and different lubricating mediums. The testing machine comprises a driving device, a loading device, a detecting device, an experimental cavity device and a control device, wherein the driving device comprises a variable-frequency and speed-regulating motor, a big belt wheel, a small belt wheel and a driving shaft; the loading device comprises a hydraulic system, a weight and a lever device; the detecting device comprises an acceleration sensor, a temperature sensor, a speed sensor, a pull-pressure sensor, a numerical simulation converter and an industrial control computer; and the experimental cavity device comprises an experimental cavity, a cylindrical buckled-type high-temperature furnace, a bearing sample, a cushion block and a sampling bearing. The testing machine simulates different working conditions by regulating the rotating speed of the variable-frequency and speed-regulating motor and the temperature of the cylindrical buckled-type high-temperature furnace, carries out the overloading impact to the bearing by the loading device and tests the tribological comprehensive performance of the bearing by the testing device.
Description
Technical field
A kind ofly be used for the experimental machine that test bearing is born tribological property after the overload impact, can impact in difference and detect bearing overloading under inertia, different rotating speeds, varying environment temperature, the different lubricant medium and impact the back tribological property.
Background technology
What bearing relied on raceway and rolling body (steel ball, roller) is in contact with one another bearing load, and disclosed as " bearing ball rolling contact fatigue life experimental machine " (Chinese patent 03230586.9) at the experimental machine of bearing is a kind of experimental machine that is exclusively used in bearing spheroid contact fatigue." rotating speed of automobile hub bearing experimental machine, torque drive mechanism " (Chinese patent 200820148908.7) is disclosed to be a kind of experimental machine that is exclusively used in automobile hub bearing.Under special operation conditions such as MISSILE LAUNCHING, spacecraft emission, bearing bears the concern that tribological property after the overload impact is subjected to the user.Bearing overloading impact experiment and tribological property context of detection thereof are domestic and international still without any relevant data at present.
Summary of the invention
In order to satisfy the design that engineering is used and helped to improve bearing, improve bearing performance, the invention provides a kind of experimental machine that test bearing is born tribological property after the overload impact that is used for, by changing working conditions such as impacting inertia, rotating speed, environment temperature, lubricant medium, detect the tribological property after bearing overloading impacts.
The technical solution adopted for the present invention to solve the technical problems is: a kind of tribological performance evaluation testing machine of overloading impact of bearing, and this experimental machine comprises:
Frequency control motor in this device of gearing is connected with big belt pulley on the transmission shaft by small belt pulley, belt, and the rotating speed of frequency control motor is regulated by the frequency conversion speed-adjusting system in the control box;
Charger comprises loading lever, the loading seat that is connected with the other end of described loading lever that an end is connected with stand hinge, is positioned at the pressure block that loads the lever middle lower portion, the described lower end that loads seat contacts with the output terminal of quick oil cylinder, and oil cylinder links to each other with Hydraulic Station by oil pipe fast;
Experiment chamber device comprises the experiment chamber that is fixed on the transmission shaft, described experiment chamber is positioned at the cylindrical buckle-type high temperature furnace that is fixed on the support, the seat ring of bearing sample is fixed in the experiment chamber by interference fit, the blowout patche of bearing sample links to each other with the blowout patche of accompanying the examination bearing by cushion block, described accompanying on the seat ring that tries bearing is provided with flat cover, and described flat cover contacts with the bottom of pressure block.
As a kind of optimal way of the present invention, this experimental machine also comprises:
Pick-up unit comprises and is arranged on the acceleration transducer that loads on the lever, is arranged on temperature sensor on the cylindrical buckle-type high temperature furnace, is arranged on the speed pickup that is positioned at the big belt pulley bottom on the support, is arranged on the pull pressure sensor on the cushion block that the sensor all is connected with industrial computer by the numerical simulation converter.
As a kind of optimal way of the present invention, on the described support, load the lever both sides lever support is set respectively; Load on the seat counterweight is set.
The invention has the beneficial effects as follows: adopt loading of loading lever and hydrostatic control effectively in conjunction with the inertia impact of realizing bearing; The size of inertia that bearing is hit by regulating quick oil cylinder the speed of rising and falling and the quality that changes the counterweight that loads realize, and realize CYCLIC LOADING by regulating the time that quick oil cylinder rises and falls; Measurement mechanism can carry out real-time measurements and calculations to power, vibration (acceleration), friction torque, temperature and speed; By bearing inertia impact and tribological property are detected, can realize the ground simulation of emission process, effectively reduce experimental cost, improve conventional efficient.
Description of drawings
Fig. 1 is the synoptic diagram of tribological performance evaluation testing machine of overloading impact of bearing;
Fig. 2 is the vertical view of tribological performance evaluation testing machine of overloading impact of bearing;
Fig. 3 is a tribological performance evaluation testing machine of overloading impact of bearing main part synoptic diagram;
Fig. 4 is for loading the lever construction synoptic diagram;
Fig. 5 is the front view in experiment chamber;
Fig. 6 is the vertical view in experiment chamber.
Embodiment
The formation of this tribological performance evaluation testing machine of overloading impact of bearing proposed by the invention comprises gearing, charger, experiment chamber device and pick-up unit, as Fig. 1, Fig. 2 and shown in Figure 3.
Gearing is made up of frequency control motor 15, big belt pulley 16, small belt pulley 18 and transmission shaft 13.Frequency control motor 15 is in transmission connection by the small belt pulley 18 on big belt pulley 16, belt 17 and the transmission shaft 13, and the rotating speed of frequency control motor 15 is regulated by the frequency conversion speed-adjusting systems in the control box 11.
Charger is made of pressure block 8, loading lever 5, counterweight 3, loading seat 2.Load lever 5 one ends and be connected with support 10 hinges, the other end is installed counterweight and is loaded seat 2.Load lever 5 bottoms pressure block 8 is housed, counterweight loads seat 2 times and contacts with oil cylinder 14 fast, and quick oil cylinder 14 links to each other with Hydraulic Station 1 by oil pipe.After the experiment beginning, initial stage, oil cylinder 14 picking-up counterweights 3 can freely turn round lever junction pin 4 fast, be not subjected to counterweight 3 gravity, in the sample operation process, set the load time by control device, oil cylinder 14 falls fast, and counterweight 3 gravity put on inertia impact on the bearing sample by loading lever 5.The adjustment of impacting the inertia value realizes by fall time of regulating quick oil cylinder 14 and the quality that changes the counterweight 3 that loads, and realizes that by regulating the time that quick oil cylinder 14 rises and falls circulation impact loads.
Experiment chamber device is by experiment chamber 19, cylindrical buckle-type high temperature furnace 9, bearing sample 25, cushion block 21 and accompany examination bearing 22 to form.With bearing sample 25, cushion block 21 with accompany examination bearing 22 to be installed in successively in the experiment chamber 19, the experiment chamber is fixed on the transmission shaft 13 by interference fit before the experiment, is fixed by flat cover 23 by pressure block 8 above accompanying examination bearing 22.When carrying out prestrain, be that the center closes up with the experiment chamber, control the environment temperature that cylindrical buckle-type high temperature furnace 9 is preheated to setting by bearing specimen temperature control device and heat that operation detects software, finishes experiment preliminary work with cylindrical buckle-type high temperature furnace 9.
Pick-up unit is made of temperature sensor 20, speed pickup 26, acceleration transducer 6, pull pressure sensor 24, numerical simulation converter and industrial computer, more than each sensor signal pass to industrial computer by the numerical simulation converter and handle, and can real-time storage and show in real time.
This experimental machine is controlled by motor speed control, the control of bearing sample environment temperature, hydraulic loaded control and anxious (temperature, friction torque, vibration) control four parts of stopping that transfinite.Rotating speed of motor is regulated by frequency conversion speed-adjusting system, and the bearing specimen temperature is controlled by controlled heating apparatus, and hydraulic loaded control is made up of four parts: hydraulic oil source, topworks, regulating and controlling device and auxiliary element.
Principle below by concrete this tribological performance evaluation testing machine of overloading impact of bearing of description of test.
Before experiment, open frequency converter earlier, put into bearing sample 25 then, regulate the position of temperature sensor 20; Carry out prestrain, control the environment temperature that cylindrical buckle-type high temperature furnace 9 is preheated to setting by bearing specimen temperature control device and heat, operation detects software, finishes experiment preliminary work.
Experiment beginning, oil cylinder 14 rises to hold up and loads seat 2 and make and load lever junction pin 4 and can freely turn round at first fast, tests needed counterweight to loading on the seat 2 interpolation; Set rotating speed by frequency conversion speed-adjusting system, operation frequency control motor 15 rotates by the experiment chamber 19 that gearing drives on the transmission shaft 13, is placed on bearing sample 25 in the experiment chamber 19 along with rotation by interference fit.Loading force by flat cover 23, accompanies examination bearing 22 and cushion block 21 power transmissions to give bearing sample 25 by pressure block 8.The pull pressure sensor 24 that is arranged on the cushion block detects bearing sample 25 friction torques in real time; Set the load time by control device; The process that inertia impact applies is: oil cylinder 14 falls fast, counterweight 3 puts on inertia impact on the bearing sample 25 by loading lever 5, afterwards, quick oil cylinder 14 rising picking-up loading seats 2 make loading lever junction sell 4 and can freely turn round, make the no operating load operating condition of bearing sample 25 recoveries.Speed pickup 26 detects the rotating speed that bears inertia impact front and back bearings sample 25, temperature sensor 20 detects and bears inertia impact front and back bearings sample 25 temperature, acceleration transducer 6 detects the vibration signal that bears inertia impact front and back bearings sample 25, and each road signal is input to industrial computer by the numerical simulation converter and handles.By Control Software design temperature signal, vibration signal, friction torque signal limit value range, and anxious the stopping of realizing transfiniting.
The present invention adopts and loads lever loading and the effective inertia impact in conjunction with the realization bearing of hydrostatic control; The size of inertia that bearing is hit by regulating quick oil cylinder the speed of rising and falling and the quality that changes the counterweight that loads realize, and realize CYCLIC LOADING by regulating the time that quick oil cylinder rises and falls; Measurement mechanism can carry out real-time measurements and calculations to power, vibration (acceleration), friction torque, temperature and speed; By bearing inertia impact and tribological property are detected, can realize the ground simulation of emission process, effectively reduce experimental cost, improve conventional efficient.
Claims (4)
1. tribological performance evaluation testing machine of overloading impact of bearing, this experimental machine comprises:
Frequency control motor (15) in this device of gearing is connected with big belt pulley (16) on the transmission shaft (13) by small belt pulley (18), belt (17), and the rotating speed of frequency control motor (15) is by the interior frequency conversion speed-adjusting system adjusting of control box (11);
It is characterized in that this experimental machine also comprises:
Charger comprise an end and the hinged loading lever of support (10) (5), be connected with the other end of described loading lever (5) loading seat (2), be positioned at the pressure block (8) that loads lever (5) middle lower portion, the described lower end that loads seat (2) contacts with the output terminal of quick oil cylinder (14), and oil cylinder (14) links to each other with Hydraulic Station (1) by oil pipe fast; And
Experiment chamber device comprises the experiment chamber (19) that is fixed on the transmission shaft (13), described experiment chamber (19) is positioned at the cylindrical buckle-type high temperature furnace (9) that is fixed on the support (10), the seat ring of bearing sample (25) is fixed in the experiment chamber (19) by interference fit, the blowout patche of bearing sample (25) links to each other with the blowout patche of accompanying examination bearing (22) by cushion block (21), described accompanying on the seat ring that tries bearing (22) is provided with flat cover (23), and described flat cover (23) contacts with the bottom of pressure block (8).
2. tribological performance evaluation testing machine of overloading impact of bearing according to claim 1 is characterized in that, this experimental machine also comprises:
Pick-up unit comprises and is arranged on the acceleration transducer (6) that loads on the lever (5), is arranged on temperature sensor (20) on the cylindrical buckle-type high temperature furnace (9), is arranged on the speed pickup (26) that is positioned at big belt pulley (16) bottom on the support (12), is arranged on the pull pressure sensor (24) on the cushion block (21) that the sensor all is connected with industrial computer by the numerical simulation converter.
3. tribological performance evaluation testing machine of overloading impact of bearing according to claim 1 and 2 is characterized in that, described support (12) is gone up, loaded lever (5) both sides lever support (7) is set respectively.
4. tribological performance evaluation testing machine of overloading impact of bearing according to claim 3 is characterized in that, on the described loading seat (2) counterweight (3) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100750416A CN101625284B (en) | 2009-07-30 | 2009-07-30 | Tribological performance evaluation testing machine of overloading impact of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100750416A CN101625284B (en) | 2009-07-30 | 2009-07-30 | Tribological performance evaluation testing machine of overloading impact of bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101625284A true CN101625284A (en) | 2010-01-13 |
| CN101625284B CN101625284B (en) | 2011-01-05 |
Family
ID=41521206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100750416A Expired - Fee Related CN101625284B (en) | 2009-07-30 | 2009-07-30 | Tribological performance evaluation testing machine of overloading impact of bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101625284B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313646A (en) * | 2011-07-22 | 2012-01-11 | 上海中科深江电动车辆有限公司 | P position test system used for automatic gearbox and test method thereof |
| CN102998371A (en) * | 2012-12-17 | 2013-03-27 | 中联重科股份有限公司 | Crane jib defect detection system and method |
| CN103076178A (en) * | 2013-01-18 | 2013-05-01 | 燕山大学 | Experimental machine for evaluating impact-loading type tribological performance of joint bearing |
| CN103528809A (en) * | 2013-10-25 | 2014-01-22 | 中电电机股份有限公司 | Vertical type dynamic pressure overspeed device of commutator |
| CN103604606A (en) * | 2013-12-03 | 2014-02-26 | 上海应用技术学院 | Sliding bearing testing machine |
| CN103630340A (en) * | 2013-06-09 | 2014-03-12 | 安阳工学院 | Middle-convex elliptic lathe fixture test bed and test method thereof |
| CN105136470A (en) * | 2015-08-17 | 2015-12-09 | 南京汽车集团有限公司 | Automotive back door over-open loading device |
| CN105352730A (en) * | 2015-12-14 | 2016-02-24 | 上海联合滚动轴承有限公司 | Bearing testing machine |
| CN110675715A (en) * | 2019-10-23 | 2020-01-10 | 北京理工大学 | Double-closed-loop direct current speed regulation experimental device based on weight loading |
| CN114526914A (en) * | 2022-04-25 | 2022-05-24 | 齐鲁工业大学 | Force transducer unloading device, fretting wear testing machine and testing method |
-
2009
- 2009-07-30 CN CN2009100750416A patent/CN101625284B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313646A (en) * | 2011-07-22 | 2012-01-11 | 上海中科深江电动车辆有限公司 | P position test system used for automatic gearbox and test method thereof |
| CN102313646B (en) * | 2011-07-22 | 2013-05-15 | 上海中科深江电动车辆有限公司 | P position test method used for automatic gearbox |
| CN102998371A (en) * | 2012-12-17 | 2013-03-27 | 中联重科股份有限公司 | Crane jib defect detection system and method |
| CN103076178A (en) * | 2013-01-18 | 2013-05-01 | 燕山大学 | Experimental machine for evaluating impact-loading type tribological performance of joint bearing |
| CN103630340A (en) * | 2013-06-09 | 2014-03-12 | 安阳工学院 | Middle-convex elliptic lathe fixture test bed and test method thereof |
| CN103528809A (en) * | 2013-10-25 | 2014-01-22 | 中电电机股份有限公司 | Vertical type dynamic pressure overspeed device of commutator |
| CN103604606A (en) * | 2013-12-03 | 2014-02-26 | 上海应用技术学院 | Sliding bearing testing machine |
| CN103604606B (en) * | 2013-12-03 | 2017-01-25 | 上海应用技术学院 | Sliding bearing testing machine |
| CN105136470A (en) * | 2015-08-17 | 2015-12-09 | 南京汽车集团有限公司 | Automotive back door over-open loading device |
| CN105352730A (en) * | 2015-12-14 | 2016-02-24 | 上海联合滚动轴承有限公司 | Bearing testing machine |
| CN110675715A (en) * | 2019-10-23 | 2020-01-10 | 北京理工大学 | Double-closed-loop direct current speed regulation experimental device based on weight loading |
| CN114526914A (en) * | 2022-04-25 | 2022-05-24 | 齐鲁工业大学 | Force transducer unloading device, fretting wear testing machine and testing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101625284B (en) | 2011-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101625284B (en) | Tribological performance evaluation testing machine of overloading impact of bearing | |
| CN104165768B (en) | Bearing integrated dynamic performance test device and method | |
| CN109827770B (en) | Device and method suitable for testing impact load of automobile gearbox gear | |
| CN104122198B (en) | A kind of friction lining-hoisting cable dynamic friction transmission test device and method | |
| CN101699242B (en) | Accelerated rolling bearing fatigue life tester | |
| CN201083606Y (en) | Front drive transmission-gear box endurance test bench | |
| CN201514301U (en) | Rolling bearing frictional moment/rotation speed measurement device | |
| CN201607302U (en) | Axial force testing device of continuously variable transmission | |
| CN203100949U (en) | Rolling bearing friction moment measuring device under low-speed medium-heavy load | |
| CN205483567U (en) | Bent ditch ball bearing performance test device | |
| CN110044612B (en) | Wet-type double clutch assembly comprehensive performance test equipment | |
| CN103398809A (en) | Friction torque tester of bearing of automobile hub | |
| CN102607849A (en) | Test-bed for vibration test of rolling bearing | |
| CN206601234U (en) | A kind of closed Hooks coupling universal coupling testing stand | |
| CN102507170A (en) | Contact fatigue life prediction testing machine | |
| KR20060108006A (en) | Back to back type power transmitted gear box performance testing apparatus and system and method thereof | |
| CN105319068A (en) | Testing machine for fatigue life of automobile hub bearing | |
| CN104237039A (en) | Bearing ball friction-wear testing machine | |
| CN209783899U (en) | wet-type double clutch assembly comprehensive properties test equipment | |
| CN103076178A (en) | Experimental machine for evaluating impact-loading type tribological performance of joint bearing | |
| CN205192753U (en) | Automobile wheel hub bearing fatigue life testing machine | |
| CN201532306U (en) | Rolling bearing fatigue life strengthened test machine | |
| CN101625305A (en) | Heavy-load sliding friction testing machine | |
| CN101509830B (en) | Gear box detection device | |
| EP3580543A1 (en) | Tire testing machine, method for testing a tire and computer program |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130730 |