CN102116707A - Bearing life test machine - Google Patents
Bearing life test machine Download PDFInfo
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- CN102116707A CN102116707A CN 201110034547 CN201110034547A CN102116707A CN 102116707 A CN102116707 A CN 102116707A CN 201110034547 CN201110034547 CN 201110034547 CN 201110034547 A CN201110034547 A CN 201110034547A CN 102116707 A CN102116707 A CN 102116707A
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- driver
- bearing life
- power distribution
- servo
- programmable logic
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Abstract
The invention provides a bearing life test machine, which comprises a machine tool, as well as a hydraulic oil cylinder, a thermocouple temperature sensor, a servo motor and an electrical power distribution cabinet arranged on the machine tool; the servo motor is connected with a main shaft system on the machine tool through a supporting connection frame; a tachometer and a pressure gauge are also arranged on a machine body of the machine tool; the servo motor is connected with a servo server; a control panel is arranged on the electrical power distribution cabinet; and a power distribution board connected with the control panel is arranged inside the electrical power distribution cabinet. The bearing life test machine runs stably, is safe and reliable, has advanced technology and is convenient to operate.
Description
(1) technical field
The present invention relates to a kind of bearing specialized equipment, be specifically related to a kind of bearing life testing machine.
(2) background technology
At present, bearing life is tested radially maximum load 14.7KN, axially maximum load 3.44KN.Electric going up adopts threephase asynchronous start-stop control to test the running of arbor, adopts glass thermometer card edge type to measure temperature, by artificial timing acquiring test figure.Therefore, there are backward in technique, defectives such as performance is single, operation inconvenience on the whole.
The CJ-25A ball bearing is an exported product, and the desired durability test of user requires as follows: do action is, changes 4.2 circles clockwise, and counterclockwise 4.2 circles are once circulation, one minute 50 times, and global cycle number of times 200000 times, about 2.8 days.Bearing life test radial load will be at 18.7KN, and axial load will be carried out under the 11.4KN state.And show, gather CJ-25A ball bearing temperature at any time.And all do not have this experimental machine on the industry at present.
(3) summary of the invention
The object of the present invention is to provide a kind of stable, safe and reliable bearing life testing machine.
The present invention is achieved in that it comprises lathe and the hydraulic jack 1 that is arranged on the lathe, thermocouple temperature sensor 2, servomotor 4 and electrical power distribution cabinet 5, the axis system 8 that servomotor 4 connects on the lathe by supporting hitch 3, also be provided with tachometer gage 6 and tensimeter 9 on the fuselage 7 of lathe, servomotor 4 connects servo-driver 22, electrical power distribution cabinet 5 is provided with control panel, control panel is provided with touch-screen 10, thermopair digital thermometer 13, power switch 11 and danger button 12, electrical power distribution cabinet 5 inside are provided with the panel that is connected with control panel, panel connects servo-driver 22, and thermopair digital thermometer 13 connects thermocouple temperature sensor 2 and servo-driver 22 respectively.
The present invention also has some technical characterictics like this:
1, described panel is provided with PLC Programmable Logic Controller 16, isolating switch 17,220VAC18, guide rail 19, auxiliary reclay 20 (KA1), A.C. contactor 21 (KM1), direct supply 23 (B1), connection terminal 24 and wire casing 25, and PLC Programmable Logic Controller 16 connects servo-driver 22, danger button 12 (SB2), 220VAC18, direct supply 23 (B1), touch-screen 10 respectively;
2, described PLC Programmable Logic Controller 16 adopts the FX1N-24MT chip;
3, described isolating switch 17 connects servo-driver 22 and PLC Programmable Logic Controller 16 respectively;
4, described auxiliary reclay 20 (KA1), A.C. contactor 21 (KM1) connect servo-driver 22 and PLC Programmable Logic Controller 16 respectively.
The present invention mechanically transforms as follows:
1. designed hydraulic system, improved hydraulic jack, seen among the figure shown in 1.Increased testing machine radially, the axle maximum load.
By rotating hydraulic oil cylinder piston bar, control its pressure size at any time.
2. temperature demonstration, acquisition system have been designed.Select the thermocouple temperature sensor thermometric for use, see among the figure shown in 2.
3. change former threephase asynchronous into servomotor, see among the figure 2, designed a cover servomotor carrier base, axle sleeve link, see among the figure shown in 3.
The present invention holds life test machine to the 72K profile shaft and transforms, and has realized bearing life test radial load at 18.7KN, and axial load is carried out under the 11.4KN state.And show at any time, collecting temperature.Electric do action: the L that turns clockwise circle, be rotated counterclockwise the N circle, be once circulation, one minute 50 times, global cycle number of times: M time.(annotate: L, N are smaller or equal to 10.0, and M is smaller or equal to 500000).L, N, M can be provided with arbitrarily according to testing requirements, and is presented on the touch-screen.Temperature adopts the thermopair digital thermometer to show automatically.The present invention is stable, and is safe and reliable, and advanced technology is easy to operate, has realized multifunctional performance, filled up domestic and international industry blank.Improved this machine has successfully been finished CJ-25A ball bearing life experiment.
(4) description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an electrical schematic diagram;
Fig. 3, Fig. 4 are touch-screen base panel synoptic diagram;
Fig. 5 is an electrical power distribution cabinet control panel arrangenent diagram;
Fig. 6 is the panel arrangenent diagram.
(5) embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments:
In conjunction with Fig. 1-Fig. 6, present embodiment comprises that the 72K profile shaft holds the life test machine lathe and is arranged on the 72K profile shaft and holds hydraulic jack 1 on the life test machine lathe, thermocouple temperature sensor 2, servomotor 4 and electrical power distribution cabinet 5, servomotor 4 connects the axis system 8 that the 72K profile shaft holds life test machine by supporting hitch 3, the 72K profile shaft holds on the fuselage 7 of life test machine and also is provided with tachometer gage 6 and tensimeter 9, servomotor 4 connects servo-driver 22, electrical power distribution cabinet 5 is provided with control panel, control panel is provided with touch-screen 10, thermopair digital thermometer 13, power switch 11 and danger button 12, electrical power distribution cabinet 5 inside are provided with the panel that is connected with control panel, panel connects servo-driver 22, and thermopair digital thermometer 13 connects thermocouple temperature sensor 2 and servo-driver 22 respectively.
The electric upward transformation of the present invention is as follows: panel is provided with PLC Programmable Logic Controller 16, isolating switch 17,220VAC18, guide rail 19, auxiliary reclay 20 (KA1), A.C. contactor 21 (KM1), direct supply 23 (B1), connection terminal 24 and wire casing 25, PLC Programmable Logic Controller 16 connects servo-driver 22 respectively, danger button 12 (SB2), 220VAC18, direct supply 23 (B1), touch-screen 10, isolating switch 17 connects servo-driver 22 and PLC Programmable Logic Controller 16 respectively, auxiliary reclay 20 (KA1), A.C. contactor 21 (KM1) connects servo-driver 22 and PLC Programmable Logic Controller 16 respectively, and PLC Programmable Logic Controller 16 adopts the FX1N-24MT chip.
The principle of work of electrical system now is described below principle of work and operation as shown in Figure 2:
Electrical power distribution cabinet 5, servomotor 4, thermocouple temperature sensor 2 (claiming electroheat pair again) lay respectively in the lathe.Control panel is positioned on the cabinet door of electrical power distribution cabinet, and panel is positioned in the cabinet of electrical power distribution cabinet, and touch-screen 10 is positioned on the control panel.
Isolating switch 17 (QF0, QF1, QF2) in the panel arrangenent diagram 2 at first closes.Press the power switch 11 (SB1) of control panel then, A.C. contactor 21 (KM1) gets electric and self-locking.If non-fault manifests touch-screen base panel 14.Touch " parameter setting " membrane keyboard, a numeric keypad appears, the input password, if it is correct, just can enter touch-screen base panel 15, carry out necessary parameter and set, touch " returning " membrane keyboard, can arrive touch-screen base panel 14 again, the circulation sum of experiment be inserted in " counting input ".After each parameter setting is good, touch " experiment starts " membrane keyboard, PLC Programmable Logic Controller 16 (FX1N-24MT) drives servomotor 4 by servo-driver 22 (claiming servoamplifier again) again and rotates according to action request control servo-driver.And touch-screen " counting shows " shows current counting number automatically.The temperature that thermocouple temperature sensor is measured shows in thermopair digital thermometer 13 automatically.Servomotor stops automatically when the circulation sum reaches " counting input " value, finishes experiment.If stop experiment, touch " resetting " membrane keyboard.When urgent, press danger button 12 (SB2) in the control panel arrangenent diagram 5.
Claims (5)
1. bearing life testing machine, it is characterized in that it comprises lathe and the hydraulic jack that is arranged on the lathe, thermocouple temperature sensor, servomotor and electrical power distribution cabinet, servomotor is by the axis system on the supporting hitch connection lathe, also be provided with tachometer gage and tensimeter on the fuselage of lathe, servomotor connects servo-driver, electrical power distribution is provided with control panel cashier's office in a shop, control panel is provided with touch-screen, the thermopair digital thermometer, power switch and danger button, electrical power distribution cabinet inside is provided with the panel that is connected with control panel, panel connects servo-driver, and the thermopair digital thermometer connects thermocouple temperature sensor and servo-driver respectively.
2. bearing life testing machine according to claim 1, it is characterized in that described panel is provided with PLC Programmable Logic Controller, isolating switch, 220VAC, guide rail, auxiliary reclay, A.C. contactor, direct supply, connection terminal and wire casing, the PLC Programmable Logic Controller connects servo-driver, danger button, 220VAC, direct supply, touch-screen respectively.
3. bearing life testing machine according to claim 2 is characterized in that described PLC Programmable Logic Controller adopts the FX1N-24MT chip.
4. bearing life testing machine according to claim 3 is characterized in that described isolating switch connects servo-driver and PLC Programmable Logic Controller respectively.
5. bearing life testing machine according to claim 4 is characterized in that described auxiliary reclay, A.C. contactor connect servo-driver and PLC Programmable Logic Controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110034547 CN102116707A (en) | 2011-02-01 | 2011-02-01 | Bearing life test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110034547 CN102116707A (en) | 2011-02-01 | 2011-02-01 | Bearing life test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102116707A true CN102116707A (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110034547 Pending CN102116707A (en) | 2011-02-01 | 2011-02-01 | Bearing life test machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102116707A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499775A (en) * | 2011-10-31 | 2012-06-20 | 山东新华医疗器械股份有限公司 | User-defined button control device of full automatic false tooth engraving and milling machine |
| CN107727398A (en) * | 2017-10-12 | 2018-02-23 | 中国航发哈尔滨轴承有限公司 | Low-speed heave-load exerciser |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008102107A (en) * | 2006-10-23 | 2008-05-01 | Chugoku Electric Power Co Inc:The | Method and system for assessing remaining life of rolling bearing using normal database, and computer program used for remaining life assessment |
| DE102007038890A1 (en) * | 2007-08-17 | 2009-02-26 | Robert Bosch Gmbh | Method and device for determining the service life of components in service |
| CN101699242A (en) * | 2009-10-27 | 2010-04-28 | 苏州轴承厂有限公司 | Accelerated rolling bearing fatigue life tester |
| CN101957261A (en) * | 2010-04-21 | 2011-01-26 | 中国人民解放军国防科学技术大学 | Antifriction bearing multi-functional fatigue life test bed |
-
2011
- 2011-02-01 CN CN 201110034547 patent/CN102116707A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008102107A (en) * | 2006-10-23 | 2008-05-01 | Chugoku Electric Power Co Inc:The | Method and system for assessing remaining life of rolling bearing using normal database, and computer program used for remaining life assessment |
| DE102007038890A1 (en) * | 2007-08-17 | 2009-02-26 | Robert Bosch Gmbh | Method and device for determining the service life of components in service |
| CN101699242A (en) * | 2009-10-27 | 2010-04-28 | 苏州轴承厂有限公司 | Accelerated rolling bearing fatigue life tester |
| CN101957261A (en) * | 2010-04-21 | 2011-01-26 | 中国人民解放军国防科学技术大学 | Antifriction bearing multi-functional fatigue life test bed |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499775A (en) * | 2011-10-31 | 2012-06-20 | 山东新华医疗器械股份有限公司 | User-defined button control device of full automatic false tooth engraving and milling machine |
| CN102499775B (en) * | 2011-10-31 | 2015-01-21 | 山东新华医疗器械股份有限公司 | User-defined button control device of full automatic false tooth engraving and milling machine |
| CN107727398A (en) * | 2017-10-12 | 2018-02-23 | 中国航发哈尔滨轴承有限公司 | Low-speed heave-load exerciser |
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Application publication date: 20110706 |