CN1632503A - Simulation test loading device for automobile wheel hub bearing unit - Google Patents
Simulation test loading device for automobile wheel hub bearing unit Download PDFInfo
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- CN1632503A CN1632503A CN 200410060316 CN200410060316A CN1632503A CN 1632503 A CN1632503 A CN 1632503A CN 200410060316 CN200410060316 CN 200410060316 CN 200410060316 A CN200410060316 A CN 200410060316A CN 1632503 A CN1632503 A CN 1632503A
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Abstract
It is a car wheel bearing analogue test load device, which comprises drive main axis 1 and test main axis 2, test bearing supportive structure, radial and axis load cylinder structure. The connection end between radial load oil cylinder and frame is fixed with a ball socket bearing 5. The connection end between the axis bearing load oil cylinder and frame is fixed with ball socket bearing 11. Its radial load oil cylinder down part is directly fixed with proportion decompression valve 21 and electromagnetism switch valve 20. Its axis load oil cylinder down part is directly fixed with proportion decompression valve 15 and electromagnetism 14.
Description
Technical field:
The present invention relates to automobile hub bearing experimental technique field, a kind of simulation test charger of automobile hub bearing.
Background technology:
The simulation test machine of known automobile hub bearing, be to rotate by the variable-frequency motor drive shaft, loading is provided by radial loaded oil cylinder and axial load cylinder, the front end of these two oil cylinders is connected with the test body with spherical plain bearing rod end by pull pressure sensor, and the rear end of oil cylinder is to be fixed on the frame, or swing-type cylinder is connected with frame in the middle of adopting; Adjust hydraulic coupling with proportional pressure-reducing valve, the radial loaded oil cylinder applies radial pull to hub bearing, and axially load cylinder applies a kind of axial pulling force or pressure with the direction vertical with the radial loaded oil cylinder to hub bearing by radius of wheel length.And oil cylinder is continuous conversion pulling force or pressure when loading, and alternating action reaches simulated automotive in this way under unloaded or heavily loaded condition, when straight-line travelling or left and right side turning driving state, and the stress of hub bearing.Because the degree of freedom to these two oil cylinders has irrational restriction, when causing the radial pull size variation, can directly have influence on the size of the axial force of having set; And axial force size, direction directly have influence on the size of the radial pull of having set when changing.And the size of this influence value, direction also change at any time, and be uncertain, thereby caused the mutual interference of loading force, caused the serious distortion of test load value, influenced test findings.
Summary of the invention:
For overcoming the defective that prior art exists, the simulation test charger that the purpose of this invention is to provide a kind of automobile hub bearing, it can not only overcome when test radially, the axially mutual interference of loading force, and can improve the loading commutating frequency of axial force, can realize the inner ring rotation or the outer ring rotation of test bearing respectively, improve the accuracy of test load, improve the reliability of test findings.
For achieving the above object, the present invention adopts following technical scheme:
The simulation test charger of described automobile hub bearing, it has transmission main shaft and test mainshaft mechanism; The supporting body mechanism of test bearing; Radial and axial load cylinder mechanism; The front end of transmission main shaft connects the test main shaft; Installation test bearing on the test main shaft, test bearing and supporting body are fixed together, two sides at supporting body respectively link to each other with axial loading arm with the radial loaded oil cylinder by force transducer, and axially loading arm is connected with the hydraulic system of load cylinder by force transducer, and is installed on the base; At the end that its radial loaded oil cylinder is connected with frame one ball pivot oscillating bearing is installed; An end that is connected with frame at its axial load cylinder is equipped with the ball pivot oscillating bearing.
The transmission main shaft of the simulation test charger of described automobile hub bearing and test mainshaft mechanism, at the fixedly connected test main shaft of the front end of transmission main shaft, installation test bearing on the test main shaft, each fixedlys connected two sides of test bearing with the supporting body of two sides.
The radial loaded oil cylinder mechanism of the simulation test charger of described automobile hub bearing, its end at supporting body is connected with pull pressure sensor by oscillating bearing; One end of pull pressure sensor and radial loaded oil cylinder is connected, and the other end of radial loaded oil cylinder is connected on the frame by oscillating bearing.
The radial loaded oil cylinder mechanism of the simulation test charger of described automobile hub bearing, it directly is equipped with proportional pressure-reducing valve and solenoid directional control valve below the radial loaded oil cylinder.
The axial load cylinder mechanism of the simulation test charger of described automobile hub bearing, its at the opposing party's coupling shaft of axial carrying body to loading arm, axially loading arm is connected with pull pressure sensor by oscillating bearing, the other end of pull pressure sensor is connected with axial load cylinder, and axially the other end of load cylinder is connected with frame by oscillating bearing.
The axial load cylinder mechanism of the simulation test charger of described automobile hub bearing below its axial loading arm, is equipped with supplemental support 28; In the hydraulic circuit of axial load cylinder, be separately installed with retaining valve 17 and accumulator 18.
The axial load cylinder mechanism of the simulation test charger of described automobile hub bearing, it directly is equipped with proportional pressure-reducing valve and solenoid directional control valve below axial load cylinder.
In the radial and axial loading hydraulic system of the simulation test charger of described automobile hub bearing, import and exit at vane pump are separately installed with oil filter and fine filter, in the system main pipe rail, the pressure meter switch tensimeter is installed, surplus valve, one-way throttle valve and refrigeratory.
In the radial and axial loading hydraulic system of the simulation test charger of described automobile hub bearing, its oil cylinder all adopts the through-rod piston oil cylinder.
The present invention is owing to adopted technical scheme as mentioned above, and it has following good effect:
The simulation test charger of this automobile hub bearing, its axial load cylinder can be adjusted with respect to the position of frame, radius of wheel with the simulation different model, axially the front end of load cylinder passes through pull pressure sensor, oscillating bearing links to each other with axial loading arm, (this loading arm just is equivalent to radius of wheel, its radius difference of different wheels, and then the length of loading arm is also different.) its tie point just is equivalent to the touchdown point of wheel, this axial loading arm and supporting body are fixed as one, piston rod in the oil cylinder just can be realized freely leading, for loading cylinder, two sphere oscillating bearings at its two ends, each has limited X, Y, the one-movement-freedom-degree of three directions of Z, but do not limit the rotational freedom of these three directions, oil cylinder can freely swing within the specific limits around the oscillating bearing that is fixed on the frame, and moving along the oil cylinder axis direction, be to realize by the stretching motion of piston rod itself, load cylinder only affords pulling force or pressure like this, its equal and opposite in direction, direction is opposite, and all be positioned on the same axis, the pulling force of oil cylinder or the size of pressure are set up by proportional pressure-reducing valve, like this when equilibrium state, the pressure that proportional pressure-reducing valve is set up remains unchanged, two separate component of axial load and radial load are independent of each other, in addition, because load cylinder and axial loading arm all are arranged horizontally, in order to overcome the downward power that two load cylinders and axial loading arm comprehensively cause, specially a supplemental support has been installed at the touchdown point place of face wheel under axial loading arm, makes two oil cylinders be in horizontality.
In addition, the present invention becomes one load cylinder and reversal valve and proportional pressure-reducing valve, makes the path between proportional pressure-reducing valve and oil cylinder the shortest, and has avoided the flexible pipe connection, makes the controlled pressure of proportional pressure-reducing valve more stable like this.
In addition, in hydraulic loading system, because the area of oil cylinder two-piston equates, the meta function of reversal valve has guaranteed that there is pressure oil load cylinder two oil pocket inside when free state, the position of regulating piston bar so easily, be convenient to install and adjust, and be easy to realize the adjustment control of zero load and positive and negative absolute value equal force.
In addition, because axially load cylinder needs frequent commutation (being the direction frequent variations of axial load power), the pressure oil that needs more flow, this novel having taked: axially adding accumulator and retaining valve in the oil cylinder oil-feed oil circuit as following measure, in order to steady pressure, the supplementary pressure oil capacity.
The mutual interference of radial and axial load when the present invention can effectively eliminate test, make the adjustment safe ready, the test load value accurately and reliably, real simulated automobile hub bearing in the stress in when work, also can improve the loading commutating frequency of axial force simultaneously, improve the reliability of test findings.
The drawing explanation:
Fig. 1 is the physical construction synoptic diagram of the simulation test charger of automobile hub bearing:
Fig. 2 be the M of experiment loading unit to view:
Fig. 3 be the A-A of experiment loading unit to view:
Fig. 4 be the B-B of experiment loading unit to view:
Fig. 5 be K1, K2, the K3 of experiment loading unit to view:
Fig. 6 be the K4 of experiment loading unit to view:
Fig. 7 is the loading hydraulic system principle figure of experiment loading unit:
As shown in Fig. 1-7: the 1-main shaft, 2-tests main shaft, and 3,5, the 11-oscillating bearing, 4 radial loaded oil cylinders, the axial loading arm of 6-, 7-pull pressure sensor, 8-oscillating bearing, 9-pull pressure sensor, the axial load cylinder of 10-, 12-test bearing, 13-supporting body; The 14-solenoid directional control valve; The 15-proportional pressure-reducing valve; The 16-tensimeter; The 17-retaining valve; The 18-accumulator; The 19-one-way throttle valve; The 20-solenoid directional control valve; The 21-proportional pressure-reducing valve; The 22-surplus valve; The 23-pressure meter switch; The 24-fine filter; The 25-vane pump; The 26-oil filter; The 27-refrigeratory; The 28-supplemental support; 29-mechanism frame.
Embodiment:
At the fixedly connected test main shaft of the front end of main shaft (1) (2), test main shaft (2) is gone up installation test bearing (12), test bearing (12) and supporting body (13) are fixed together, side at supporting body (13), be connected with pull pressure sensor (7) by oscillating bearing (3), pull pressure sensor (7) is connected with radial loaded oil cylinder (4) one ends, the other end of radial loaded oil cylinder (4) is connected with mechanism's frame (29) by oscillating bearing (5), below in radial loaded oil cylinder (4), directly be equipped with and be connected to each other proportional pressure-reducing valve (21) and the solenoid directional control valve (20) that is integral, the opposing party in supporting body (13), coupling shaft is to loading arm (6), axially loading arm (6) is connected with pull pressure sensor (9) by oscillating bearing (8), the other end of pull pressure sensor (9) is connected with axial load cylinder (10), the other end of axial load cylinder (10), be connected with mechanism's frame (29) by oscillating bearing (11), below at axial load cylinder (10), directly be equipped with and be connected to each other proportional pressure-reducing valve (15) and the solenoid directional control valve (14) that is integral, below at axial loading arm (6), supplemental support (28) is installed, in the hydraulic circuit of axial load cylinder, be separately installed with retaining valve (17) and accumulator (18), in the hydraulic system of entire mechanism, import and outlet at vane pump (25), be separately installed with oil filter (26) and fine filter (24), pressure meter switch (23) and tensimeter (16) are installed in the house steward of system, surplus valve (22), one-way throttle valve (19) and refrigeratory (27).
Work as on-test, vane pump (25) work, each oil circuit is started working by the test routine requirement in the hydraulic system, radial loaded oil cylinder (4) applies radial pull by pull pressure sensor (7) to test main shaft (2), and axially load cylinder (10) applies axial tension or pressure by pull pressure sensor (9) and axial loading arm (6) to test bearing.
When manually test is adjusted, the force value of proportional pressure-reducing valve is set up by test parameters, when axial push-pull power and zero load state transformation, axial load cylinder (10) is along with test bearing supporting body (13) and axial loading arm (6) oscillating bearing (8) swings around oscillating bearing (11) trace, the axial corresponding telescopic variation of load cylinder piston rod, (axially the piston rod of load cylinder (10) is only done rectilinear motion with respect to oil cylinder), and radial loaded oil cylinder (4) is when the radial loaded state transformation, along with test bearing (12), supporting body (13), (3) are held around the swing of oscillating bearing (5) trace in the joint, the corresponding telescopic variation of radial loaded oil cylinder piston bar, (piston rod of radial loaded oil cylinder is only done rectilinear motion with respect to oil cylinder), axially load put in place or zero-bit stable after, radially use proportional pressure-reducing valve (21) to guarantee that set pressure is constant in the oil cylinder, radially the size variation of the power of pull pressure sensor (7) can be in positive and negative 3% scope, correspondingly, when radial pull changed, the size of the power of axial push-pull force transducer (9) was constant substantially.
In control is tested automatically, can be according to the test routine requirement, afterburning state is divided into the circulation of several steps to carry out, computing machine is monitored the pressure value of pull pressure sensor, compare with required value, the Comparative Examples reduction valve constantly sends the adjustment signal, guarantees that actual pressure value is in positive and negative 2% scope of set-point.
Claims (6)
1, a kind of simulation test charger of automobile hub bearing, it has transmission main shaft (1) and test main shaft (2) mechanism, the supporting body mechanism of test bearing (12), radial and axial load cylinder mechanism; The front end of transmission main shaft connects test main shaft (2), test main shaft (2) is gone up installation test bearing (12), test bearing and supporting body are fixed together, oscillating bearing (3) and loading arm (6) are respectively passed through in two sides at supporting body, oscillating bearing (8), sensor (7), (9) link to each other with axial load cylinder (10) with radial loaded oil cylinder (4), it is characterized in that: described experiment loading unit, at the end that its radial loaded oil cylinder (4) is connected with frame one ball pivot oscillating bearing (5) is installed; An end that is connected with frame at its axial load cylinder (10) is equipped with ball pivot oscillating bearing (11).
2, the simulation test charger of automobile hub bearing as claimed in claim 1 is characterized in that: described experiment loading unit, its below at radial loaded oil cylinder (4) directly is equipped with proportional pressure-reducing valve (21) and solenoid directional control valve (20).
3, the simulation test charger of automobile hub bearing as claimed in claim 1 is characterized in that: described experiment loading unit, its below at axial load cylinder (10) directly is equipped with proportional pressure-reducing valve (15) and solenoid directional control valve (14).
4, the simulation test charger of automobile hub bearing as claimed in claim 1 is characterized in that: the load cylinder mechanism of described experiment loading unit in the below of its axial loading arm (6), is equipped with supplemental support (28); In the hydraulic circuit of axial load cylinder, be separately installed with retaining valve (17) and accumulator (18).
5, the simulation test charger of automobile hub bearing as claimed in claim 1, it is characterized in that: described experiment loading unit, it loads in the hydraulic system, import and exit at vane pump (25) are separately installed with oil filter (26) and fine filter (24), pressure meter switch (23) tensimeter (16) is installed in system's main pipe rail, surplus valve (22), one-way throttle valve (19) and refrigeratory (27).
6, as the simulation test charger of claim 1 or 5 described automobile hub bearings, it is characterized in that: described experiment loading unit, it loads in the hydraulic system, and its oil cylinder all adopts the through-rod piston oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100603166A CN100350233C (en) | 2004-12-09 | 2004-12-09 | Simulation test loading device for automobile wheel hub bearing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100603166A CN100350233C (en) | 2004-12-09 | 2004-12-09 | Simulation test loading device for automobile wheel hub bearing unit |
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| CN1632503A true CN1632503A (en) | 2005-06-29 |
| CN100350233C CN100350233C (en) | 2007-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100603166A Expired - Fee Related CN100350233C (en) | 2004-12-09 | 2004-12-09 | Simulation test loading device for automobile wheel hub bearing unit |
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Cited By (24)
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| CN100443876C (en) * | 2006-07-13 | 2008-12-17 | 杭州轴承试验研究中心有限公司 | Reinforced test machine for rolling bearing life and reliability and its test method |
| CN100561167C (en) * | 2008-04-25 | 2009-11-18 | 洛阳轴研科技股份有限公司 | A kind of testing machine of testing wind power generation pitch-controlling bearing |
| CN101183044B (en) * | 2007-12-04 | 2010-06-02 | 瓦房店轴承集团有限责任公司 | Wind electricity pitch variable bearings test machine |
| CN101464196B (en) * | 2008-12-26 | 2010-09-29 | 洛阳轴研科技股份有限公司 | Method for testing automobile hub bearing unit torque rigidity |
| CN101949773A (en) * | 2010-09-09 | 2011-01-19 | 河南科技大学 | Compound swinging type joint bearing testing machine |
| CN102235943A (en) * | 2010-05-06 | 2011-11-09 | 中国商用飞机有限责任公司 | Loading test device |
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| CN103048134A (en) * | 2012-12-14 | 2013-04-17 | 瓦房店轴承集团有限责任公司 | Automobile hub bearing working condition simulation tester with buffer loading device |
| CN103528822A (en) * | 2013-10-29 | 2014-01-22 | 中国北车集团大连机车研究所有限公司 | Bearing testing device of locomotive traction motor |
| CN104034529A (en) * | 2014-05-22 | 2014-09-10 | 杭州电子科技大学 | Dustproof performance simulation test machine for automobile hub bearing unit |
| CN104142245A (en) * | 2014-08-25 | 2014-11-12 | 洛阳工铭机电设备有限公司 | Loading device for automobile hub bearing periodicity dynamic tester |
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| CN105758642A (en) * | 2016-05-26 | 2016-07-13 | 上海大学 | Servo-actuated loading flexible bearing fatigue life tester |
| CN106370122A (en) * | 2016-09-28 | 2017-02-01 | 重庆圣巴巴拉实业有限公司 | Hub rotary bending test device |
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| CN106769108A (en) * | 2017-03-17 | 2017-05-31 | 苏州华业检测技术服务有限公司 | A kind of laboratory loading device of the two-way dynamic loading of wheel hub |
| CN106801690A (en) * | 2017-01-04 | 2017-06-06 | 潍柴动力股份有限公司 | A kind of hydraulic system for the experiment of hydraulic pump driving system loads |
| CN106979850A (en) * | 2017-04-27 | 2017-07-25 | 重庆长江轴承股份有限公司 | A kind of hub bearing impact shock experimental rig |
| CN107340134A (en) * | 2017-07-31 | 2017-11-10 | 昆明理工大学 | A kind of bearing test device |
| CN107907331A (en) * | 2017-10-19 | 2018-04-13 | 人本集团有限公司 | Rigidity of hub bearings testing machine |
| CN114486248A (en) * | 2022-01-25 | 2022-05-13 | 方盛车桥（柳州）有限公司 | Fatigue testing machine for axle hub bearing |
| CN117147156A (en) * | 2023-10-31 | 2023-12-01 | 万向钱潮股份公司 | Triaxial test device and method for hub bearing |
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| CN2105685U (en) * | 1990-10-15 | 1992-05-27 | 航空航天工业部第六○八研究所 | Tester of rolling bearing of carriage wheel |
| DE4410639A1 (en) * | 1994-03-26 | 1995-09-28 | Renk Ag | Bearing test bed, esp. for testing rail vehicle wheel bearing |
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| CN100443876C (en) * | 2006-07-13 | 2008-12-17 | 杭州轴承试验研究中心有限公司 | Reinforced test machine for rolling bearing life and reliability and its test method |
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| CN100561167C (en) * | 2008-04-25 | 2009-11-18 | 洛阳轴研科技股份有限公司 | A kind of testing machine of testing wind power generation pitch-controlling bearing |
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| CN104034529B (en) * | 2014-05-22 | 2016-07-06 | 杭州电子科技大学 | A kind of simulation test machine for automobile hub bearing unit anti-dust performance |
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| 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 |
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| CN105758642A (en) * | 2016-05-26 | 2016-07-13 | 上海大学 | Servo-actuated loading flexible bearing fatigue life tester |
| CN106370122A (en) * | 2016-09-28 | 2017-02-01 | 重庆圣巴巴拉实业有限公司 | Hub rotary bending test device |
| CN106546494A (en) * | 2016-09-28 | 2017-03-29 | 重庆圣巴巴拉实业有限公司 | Automotive hub rotary bending testing machine |
| CN106370122B (en) * | 2016-09-28 | 2019-09-06 | 重庆圣巴巴拉实业有限公司 | Wheel hub rotary bending experimental rig |
| CN106801690A (en) * | 2017-01-04 | 2017-06-06 | 潍柴动力股份有限公司 | A kind of hydraulic system for the experiment of hydraulic pump driving system loads |
| CN106801690B (en) * | 2017-01-04 | 2019-08-27 | 潍柴动力股份有限公司 | A kind of hydraulic system for the test of hydraulic pump driving system loads |
| CN106769108A (en) * | 2017-03-17 | 2017-05-31 | 苏州华业检测技术服务有限公司 | A kind of laboratory loading device of the two-way dynamic loading of wheel hub |
| CN106769108B (en) * | 2017-03-17 | 2023-10-20 | 苏州华业检测技术服务有限公司 | Loading device of bidirectional dynamic load of hub for laboratory |
| CN106979850A (en) * | 2017-04-27 | 2017-07-25 | 重庆长江轴承股份有限公司 | A kind of hub bearing impact shock experimental rig |
| CN107340134A (en) * | 2017-07-31 | 2017-11-10 | 昆明理工大学 | A kind of bearing test device |
| CN107907331A (en) * | 2017-10-19 | 2018-04-13 | 人本集团有限公司 | Rigidity of hub bearings testing machine |
| CN114486248A (en) * | 2022-01-25 | 2022-05-13 | 方盛车桥（柳州）有限公司 | Fatigue testing machine for axle hub bearing |
| CN117147156A (en) * | 2023-10-31 | 2023-12-01 | 万向钱潮股份公司 | Triaxial test device and method for hub bearing |
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Assignee: Jiangsu CCVI Bearing Co., Ltd. Assignor: Zhouyan Science and Technology Co., Ltd., Luoyang Contract fulfillment period: 2007.12.1 to 2014.12.31 Contract record no.: 2008320000126 Denomination of invention: Simulation test loading device for automobile wheel hub bearing unit Granted publication date: 20071121 License type: Exclusive license Record date: 20080919 |
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