CN105973604A - Electric automobile driving motor bearing high temperature high speed high load endurance testing apparatus - Google Patents

Electric automobile driving motor bearing high temperature high speed high load endurance testing apparatus Download PDF

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Publication number
CN105973604A
CN105973604A CN201610526084.1A CN201610526084A CN105973604A CN 105973604 A CN105973604 A CN 105973604A CN 201610526084 A CN201610526084 A CN 201610526084A CN 105973604 A CN105973604 A CN 105973604A
Authority
CN
China
Prior art keywords
radial
screw mandrel
axial
ball bearing
groove ball
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.)
Pending
Application number
CN201610526084.1A
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Chinese (zh)
Inventor
刘艳超
徐翎杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cixing Group Co., Ltd.
Original Assignee
Ningbo Cixing Precision Transmission Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Cixing Precision Transmission Technology Co Ltd filed Critical Ningbo Cixing Precision Transmission Technology Co Ltd
Priority to CN201610526084.1A priority Critical patent/CN105973604A/en
Publication of CN105973604A publication Critical patent/CN105973604A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/04Bearings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/04Bearings
    • G01M13/045Acoustic or vibration analysis

Abstract

The invention discloses an electric automobile driving motor bearing high temperature high speed high load endurance testing apparatus which includes: a workbench; a heater box which is arranged on the workbench and is provided therein with a testing shaft which is provided with at least one to-be-tested deep groove ball bearing thereon; a driving apparatus which can drive the testing shaft to rotate and is arranged on one side of the heater box; an axial loading apparatus which can supply axial load to the to-be-tested deep groove ball bearing and is arranged on the other side of the heater box; a radial loading apparatus which supplies radial load to the to-be-tested deep groove ball bearing and is arranged above the heater box; a PLC control system which can control the heater box and the driving apparatus to work. According to the invention, the whole testing process is simple, can simulate working environment inside the electric automobile driving motor, can accurately test technical parameters of the deep groove ball bearing, and provide great convenient to operation workers.

Description

A kind of driving motor for electric automobile bearing high temperature and high speed height carries durable test device
Technical field
The present invention relates to durable test device technical field, be related specifically to a kind of driving motor for electric automobile Bearing high temperature and high speed height carries durable test device.
Background technology
Deep groove ball bearing for driving motor for electric automobile needs by high temperature and high speed high after production completes The test of load, can obtain permanent use after test passes.
And in prior art, for testing the durable test dress of the deep groove ball bearing of driving motor for electric automobile Putting overall structure complex, the whole process of test is relatively complicated, it is difficult to simulation electric automobile drives electricity The working environment of machine, and then it is difficult to test out the real technical parameter of deep groove ball bearing, thus give operator Member brings bigger inconvenience.
But for the deficiencies in the prior art, developer be necessary to develop a kind of reasonable in design, simple in construction, The operation of whole test process is relatively simple, it is possible to the working environment within simulating electric automobile drive electric motor, The technical parameter of deep groove ball bearing can be tested out accurately, to operator bring bigger easily Driving motor for electric automobile bearing high temperature and high speed height carries durable test device.
Summary of the invention
For solving the problem that prior art exists, the object of the invention provide a kind of reasonable in design, structure is simple Single, whole test process operates relatively simple, it is possible to the building ring within simulating electric automobile drive electric motor Border, it is possible to test out the technical parameter of deep groove ball bearing accurately, to operator bring bigger just The driving motor for electric automobile bearing high temperature and high speed height of profit carries durable test device.
For solving above technical problem, the present invention realizes by the following technical solutions:
A kind of driving motor for electric automobile bearing high temperature and high speed height carries durable test device, it is characterised in that Including
One workbench;
One arrange on the table add hot tank, be internally provided with test axle, described in the described hot tank that adds On test axle, at least one deep groove ball bearing to be tested is installed;
One can drive the driving means that test axle rotates, and described driving means is arranged on the side adding hot tank;
One axial loading device that axial load can be provided for deep groove ball bearing to be tested, described axially Charger is arranged on the opposite side adding hot tank;
One radial loading device that radial load can be provided for deep groove ball bearing to be tested, described radial direction Charger is arranged on the top adding hot tank;
One can control to add hot tank and the PLC control system of driving means work.
In a preferred embodiment of the invention, described heating case includes casing and is arranged on box house Electrothermal tube, be provided with in described casing in axial load is transferred on deep groove ball bearing to be tested Lining, is provided with in described casing and the radial direction in radial load transfer to deep groove ball bearing to be tested is held Carry set.
In a preferred embodiment of the invention, described driving means is motor, the main shaft of described motor Being connected by one end of shaft coupling with test axle, the other end of described test axle is provided with locking member, described Deep groove ball bearing to be tested is locked on test axle by locking member.
In a preferred embodiment of the invention, described axial loading device includes axial screw mandrel and setting Axial screw on axial screw mandrel, one end of described axial screw mandrel is provided with axial handwheel and axial locking Device, the other end of described axial screw mandrel is arranged in axial screw mandrel sleeve, and described axial screw is arranged on Axially on one end of screw mandrel sleeve, the other end of described axial screw mandrel sleeve is provided with the first pressure transducer, It is provided with the first spring, described between the other end of described first pressure transducer and axial screw mandrel sleeve One end of first pressure transducer is provided with axially loaded axle.
In a preferred embodiment of the invention, described radial loading device includes radially screw mandrel and setting Radial direction screw on radial direction screw mandrel, one end of described radial direction screw mandrel is provided with radially handwheel and radially locking Device, the other end of described radial direction screw mandrel is arranged in radial direction screw mandrel sleeve, and described radial direction screw is arranged on Radially on the upper end of screw mandrel sleeve, the upper end of described radial direction screw mandrel sleeve is arranged on guide plate, described in lead Being arranged on the pillar installed on the table to the two ends of plate, the lower end of described radial direction screw mandrel sleeve is arranged There is the second pressure transducer, be provided with between the lower end of described second pressure transducer and radial direction screw mandrel sleeve Second spring, is provided with radial loaded axle in the lower end of described second pressure transducer.
In a preferred embodiment of the invention, described test axle is provided with many along its axially spaced-apart Individual deep groove ball bearing to be tested, is provided with spacer between adjacent deep groove ball bearing.
Compared with prior art, the present invention uses said structure to make the operation of whole test process relatively simple, Can working environment within simulating electric automobile drive electric motor, it is possible to test out deep groove ball bearing accurately Technical parameter, bring bigger facility to operator.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below, Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the sectional view adding hot tank of the present invention.
Fig. 3 is the structural representation of the axial loading device of the present invention.
Fig. 4 is the structural representation of the radial loading device of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from Solve, below in conjunction with being specifically illustrating, the present invention is expanded on further.
With reference to shown in Fig. 1-Fig. 4, a kind of driving motor for electric automobile bearing high temperature and high speed height be given in figure carries Durable test device, including workbench 100, add hot tank 200, driving means 300, axial loading device 400, Radial loading device 500 and can control to add hot tank 200 and the PLC control system of driving means 300 work (not shown).
Be provided with multiple footing 110 in the lower section of workbench 100, the setting of footing 110 can effectively improve The stability of this durable test device.
Add hot tank 200 to be arranged on workbench 100, be internally provided with test axle 220 adding hot tank 200, At least one deep groove ball bearing 700 to be tested is installed, in the present embodiment at test axle on test axle 220 Along its axially spaced-apart, 4 deep groove ball bearings 700 to be tested are installed on 220, at adjacent deep groove ball bearing It is provided with spacer 260 between 700, test axle 220 is additionally provided with and can test deep groove ball bearing to be tested and shake The vibrating sensor (not shown) of dynamic technical parameter, vibrating sensor is connected with PLC control system.
Add hot tank 200 include casing 210 and be arranged on the electrothermal tube (not shown) within casing 210, The neck bush 240 axial load being transferred on deep groove ball bearing 700 to be tested it is provided with in casing 210, It is provided with the radial direction carrying set in radial load transfer to deep groove ball bearing 700 to be tested in casing 210 230, the temperature being additionally provided with the temperature that can test deep groove ball bearing 700 to be tested inside casing 210 passes Sensor (not shown), temperature sensor is connected with PLC control system.
Driving means 300 can drive test axle 220 to rotate, and driving means 300 arranges and is arranged on workbench On 100 and be positioned at the side adding hot tank 200, driving means 300 is motor in the present embodiment, the master of motor Axle is connected by one end of shaft coupling 600 with test axle 220, and the other end of test axle 220 is provided with locking member 250, deep groove ball bearing 700 to be tested is locked on test axle 220 by locking member 250.
Axial loading device 400 can provide axial load for deep groove ball bearing 700 to be tested, axially adds Carry and put 400 and be arranged on workbench 100 and be positioned at the opposite side adding hot tank 200, axial loading device 400 Including axial screw mandrel 410 and the axial screw 420 being arranged on axial screw mandrel 410, the one of axial screw mandrel 410 End is provided with axial handwheel 470 and axial locking device 480, and this end is arranged on by the first support seat 120 On workbench 100, the other end of axial screw mandrel 410 is arranged in axial screw mandrel sleeve 430, axial screw 420 Being arranged on one end of axial screw mandrel sleeve 430, the other end of axial screw mandrel sleeve 430 is provided with the first pressure Force transducer 450, the first pressure transducer 450 is connected with PLC control system, at the first pressure transducer It is provided with the first spring 440, at the first pressure transducer between 450 and the other end of axial screw mandrel sleeve 430 One end of 450 is provided with axially loaded axle 460, and axially loaded axle 460 is arranged on by the second support seat 130 On workbench 100.
Radial loading device 500 can provide radial load for deep groove ball bearing 700 to be tested, radially adds Carrying and put 500 and be arranged on workbench 100 and be positioned at the top adding hot tank 200, radial loading device 500 wraps Include radially screw mandrel 510 and the radial direction screw 520 being arranged on radial direction screw mandrel 510, the radially upper end of screw mandrel 510 Being provided with radially handwheel 580 and radially locking device 590, radially the upper end of screw mandrel 510 is arranged on installing plate On 900, the two ends of installing plate 900 are separately positioned on the upper end of pillar 810,820, radially screw mandrel 510 times End is arranged in radial direction screw mandrel sleeve 530, and radially screw 520 is arranged on the upper end of radially screw mandrel sleeve 530 On, radially the upper end of screw mandrel sleeve 530 is arranged on guide plate 570, and the two ends of guide plate 570 are respectively provided with On the pillar 810,820 being arranged on workbench 100, pillar 810,820 is by mounting seat 830,840 Being arranged on workbench 100, radially the lower end of screw mandrel sleeve 530 is provided with the second pressure transducer 550, the Two pressure transducers 550 are connected with PLC control system, at the second pressure transducer 550 and radially screw rod bushing It is provided with the second spring 540 between the lower end of cylinder 530, is provided with in the lower end of the second pressure transducer 550 radially Load axle 560.
This durable test device also includes an alarm device (not shown), and this alarm device is when to be tested Deep groove ball bearing lost efficacy or can shut down by automatic alarm during equipment fault, and record shutdown reason, further Improve the Practical Performance of this durable test device.
The concrete operation step of the present invention is as follows:
1). 4 deep groove ball bearings the most to be tested are sequentially arranged on test axle;
2). being connected with the main shaft of motor by shaft coupling one end of test axle, the other end is by locking Part is locked, and is arranged on by vibrating sensor on test axle simultaneously;
3). radially carrying set is arranged on the outside of deep groove ball bearing to be tested, neck bush is arranged on Add on the side that hot tank is relative with axial loading device, temperature sensor is arranged on and adds in hot tank;
4). axial rotary handwheel, it is possible to make axial screw move left and right, can carry when axial screw moves Moving axis moves together to screw mandrel sleeve, and after axial screw mandrel sleeve extruding the first spring, the first spring stress produces Raw deformation, the first pressure transducer will show the size of power, axially loaded passing to axially be added simultaneously Carrying axle, axially loaded axle transmits the force to neck bush, and neck bush transmits the force to deep-groove ball axle to be tested Hold, thus realize deep groove ball bearing to be tested is applied axial load;
5). rotate radially handwheel, it is possible to make axial screw move up and down, can carry when radial direction screw moves Radius vector moves together with guide plate to screw mandrel sleeve, radially after screw mandrel sleeve extruding the second spring, and the second bullet Spring stress produces deformation, and the second pressure transducer will show the size of power, radial loaded is transmitted simultaneously To radial loaded axle, radial loaded axle transmits the force to radially carry set, and radially carrying set transmits the force to Deep groove ball bearing to be tested, thus realize deep groove ball bearing to be tested is applied radial load;
6). open main power, control to add heat pipe by PLC control system and box house is heated, temperature The temperature signal of box house is transmitted to PLC control system by degree sensor, when box interior temperature reaches During design temperature, PLC control system controls to add heat pipe and stops heating, simultaneously drives motor, makes driven by motor Test axle rotates, and after working well, each 2 hours of PLC control system is to needing the to be tested deep of test The technical parameter record of ditch ball bearing once, terminating to test.
The present invention uses said structure to make the operation of whole test process relatively simple in sum, it is possible to emulation Working environment within driving motor for electric automobile, it is possible to test out the technology ginseng of deep groove ball bearing accurately Number, brings bigger facility to operator.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.One's own profession Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation The principle that the present invention is simply described described in book, without departing from the spirit and scope of the present invention originally Invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention In.Claimed scope is defined by appending claims and equivalent thereof.

Claims (6)

1. a driving motor for electric automobile bearing high temperature and high speed height carries durable test device, it is characterised in that Including
One workbench;
One arrange on the table add hot tank, be internally provided with test axle, described in the described hot tank that adds On test axle, at least one deep groove ball bearing to be tested is installed;
One can drive the driving means that test axle rotates, and described driving means is arranged on the side adding hot tank;
One axial loading device that axial load can be provided for deep groove ball bearing to be tested, described axially Charger is arranged on the opposite side adding hot tank;
One radial loading device that radial load can be provided for deep groove ball bearing to be tested, described radial direction Charger is arranged on the top adding hot tank;
One can control to add hot tank and the PLC control system of driving means work.
2. a kind of driving motor for electric automobile bearing high temperature and high speed height as claimed in claim 1 carries durable survey Electricity testing device, it is characterised in that: described heating case includes casing and is arranged on the electrothermal tube of box house, Neck bush axial load being transferred on deep groove ball bearing to be tested it is provided with, described in described casing It is provided with the radial direction carrying set in radial load transfer to deep groove ball bearing to be tested in casing.
3. a kind of driving motor for electric automobile bearing high temperature and high speed height as claimed in claim 1 carries durable survey Electricity testing device, it is characterised in that: described driving means is motor, the main shaft of described motor by shaft coupling with One end of test axle is connected, and the other end of described test axle is provided with locking member, and described locking member is by be measured The deep groove ball bearing of examination is locked on test axle.
4. a kind of driving motor for electric automobile bearing high temperature and high speed height as claimed in claim 1 carries durable survey Electricity testing device, it is characterised in that: described axial loading device includes axial screw mandrel and is arranged on axial screw mandrel Axial screw, one end of described axial screw mandrel is provided with axial handwheel and axial locking device, described axle Being arranged in axial screw mandrel sleeve to the other end of screw mandrel, described axial screw is arranged on axial screw mandrel sleeve One end on, the other end of described axial screw mandrel sleeve is provided with the first pressure transducer, described first It is provided with the first spring between the other end of pressure transducer and axially screw mandrel sleeve, passes at described first pressure One end of sensor is provided with axially loaded axle.
5. a kind of driving motor for electric automobile bearing high temperature and high speed height as claimed in claim 1 carries durable survey Electricity testing device, it is characterised in that: described radial loading device includes radial direction screw mandrel and is arranged on radial direction screw mandrel Radial direction screw, one end of described radial direction screw mandrel is provided with radially handwheel and radially locking device, described footpath Being arranged in radial direction screw mandrel sleeve to the other end of screw mandrel, described radial direction screw is arranged on radially screw mandrel sleeve Upper end on, the upper end of described radial direction screw mandrel sleeve is arranged on guide plate, and the two ends of described guide plate set Putting on the pillar installing on the table, the lower end of described radial direction screw mandrel sleeve is provided with the second pressure and passes Sensor, is provided with the second spring between the lower end of described second pressure transducer and radial direction screw mandrel sleeve, The lower end of described second pressure transducer is provided with radial loaded axle.
6. a kind of driving motor for electric automobile bearing high temperature and high speed height as claimed in claim 1 carries durable survey Electricity testing device, it is characterised in that: it is provided with multiple to be tested deep on described test axle along its axially spaced-apart Ditch ball bearing, is provided with spacer between adjacent deep groove ball bearing.
CN201610526084.1A 2016-07-01 2016-07-01 Electric automobile driving motor bearing high temperature high speed high load endurance testing apparatus Pending CN105973604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610526084.1A CN105973604A (en) 2016-07-01 2016-07-01 Electric automobile driving motor bearing high temperature high speed high load endurance testing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610526084.1A CN105973604A (en) 2016-07-01 2016-07-01 Electric automobile driving motor bearing high temperature high speed high load endurance testing apparatus

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Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106989925A (en) * 2017-06-02 2017-07-28 中国航发湖南动力机械研究所 Aero-engine high-speed bearing tests radial loading device
CN109357869A (en) * 2018-10-15 2019-02-19 西北工业大学 Bearing rotation and radial load combined test device under hot environment
CN109827773A (en) * 2018-12-25 2019-05-31 慈兴集团有限公司 A kind of driving motor for electric automobile bearing testing device and test method

Citations (7)

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Publication number Priority date Publication date Assignee Title
US4862738A (en) * 1987-08-20 1989-09-05 Allied-Signal, Inc. Test system for wheel bearings
CN101038237A (en) * 2007-04-10 2007-09-19 杭州轴承试验研究中心有限公司 Simulation test machine for automobile hub bearing unit anti-dust performance and test method thereof
CN101718625A (en) * 2009-12-03 2010-06-02 洛阳轴研科技股份有限公司 High-temperature high-speed test method for sealed bearing
CN102564764A (en) * 2011-12-31 2012-07-11 洛阳工铭机电设备有限公司 Aircraft engine spindle bearing testing machine
CN104155110A (en) * 2014-08-25 2014-11-19 洛阳工铭机电设备有限公司 Periodic and dynamic high-temperature working condition testing machine for automobile hub bearings
CN105067234A (en) * 2015-07-17 2015-11-18 安阳工学院 High speed electric main shaft comprehensive experiment platform and experiment method
CN105651514A (en) * 2016-03-14 2016-06-08 兰州空间技术物理研究所 Comprehensive performance testing device for rolling ball bearing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4862738A (en) * 1987-08-20 1989-09-05 Allied-Signal, Inc. Test system for wheel bearings
CN101038237A (en) * 2007-04-10 2007-09-19 杭州轴承试验研究中心有限公司 Simulation test machine for automobile hub bearing unit anti-dust performance and test method thereof
CN101718625A (en) * 2009-12-03 2010-06-02 洛阳轴研科技股份有限公司 High-temperature high-speed test method for sealed bearing
CN102564764A (en) * 2011-12-31 2012-07-11 洛阳工铭机电设备有限公司 Aircraft engine spindle bearing testing machine
CN104155110A (en) * 2014-08-25 2014-11-19 洛阳工铭机电设备有限公司 Periodic and dynamic high-temperature working condition testing machine for automobile hub bearings
CN105067234A (en) * 2015-07-17 2015-11-18 安阳工学院 High speed electric main shaft comprehensive experiment platform and experiment method
CN105651514A (en) * 2016-03-14 2016-06-08 兰州空间技术物理研究所 Comprehensive performance testing device for rolling ball bearing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106989925A (en) * 2017-06-02 2017-07-28 中国航发湖南动力机械研究所 Aero-engine high-speed bearing tests radial loading device
CN109357869A (en) * 2018-10-15 2019-02-19 西北工业大学 Bearing rotation and radial load combined test device under hot environment
CN109827773A (en) * 2018-12-25 2019-05-31 慈兴集团有限公司 A kind of driving motor for electric automobile bearing testing device and test method

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Effective date of registration: 20171009

Address after: 315300 Zhejiang city of Ningbo province Ningbo Cixing Precision Transmission Technology Co. Ltd.

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Address before: 315300, No. 188, Xinxing Road, hi tech Industrial Development Zone, Zhejiang, Ningbo, Cixi

Applicant before: Ningbo Cixing Precision Transmission Technology Co. Ltd.

Effective date of registration: 20171009

Address after: 315300 Zhejiang city of Ningbo province Ningbo Cixing Precision Transmission Technology Co. Ltd.

Applicant after: Cixing Group Co., Ltd.

Address before: 315300, No. 188, Xinxing Road, hi tech Industrial Development Zone, Zhejiang, Ningbo, Cixi

Applicant before: Ningbo Cixing Precision Transmission Technology Co. Ltd.

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Application publication date: 20160928

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