CN201034827Y - Vehicle one quarter simulating suspension system and vibration-damper characterist synthetic test-bed - Google Patents
Vehicle one quarter simulating suspension system and vibration-damper characterist synthetic test-bed Download PDFInfo
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- CN201034827Y CN201034827Y CNU2007200361255U CN200720036125U CN201034827Y CN 201034827 Y CN201034827 Y CN 201034827Y CN U2007200361255 U CNU2007200361255 U CN U2007200361255U CN 200720036125 U CN200720036125 U CN 200720036125U CN 201034827 Y CN201034827 Y CN 201034827Y
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Abstract
The utility model discloses a colligation test-bed of vehicle quarter simulation suspension system and shock absorber characteristics, comprising two parts of a simulation suspension system test-bed based on the whole frame and a shock absorber characteristics test-bed, which have respectively a mechanical bench scale part, an electric excitation part and a computer control part. The utility model can test the characteristics of a plurality of shock absorbers and the performances of common passive and half-active quarter suspensions, and also can conduct the half-active suspension controller exploitation experiment. Because of the frame configuration and the vertical line rolling ball guide rail, the whole test-bed has the advantages of simple configuration, stabilization and low mechanical friction, and the suspension parameters are easy to be adjusted. The suspension parameters of the computer simulating calculation can be used directly when testing, thus the numerical simulation and experimental verification can be well matched and the effects of the suspension performance experiment and the half-active suspension controller exploitation experiment are enhanced.
Description
Technical field:
The utility model relates to automobile 1/4th simulated suspension systems and vibration-damper characterist multi-function test stand.
Background technology:
Automobile suspension system is being undertaken the support car body, guarantees the vital task of ride performance and driving safety.People often adopt the method for optimizing various suspension parameters for the performance that improves suspension system, but this optimization has certain limit.Attempt to adopt semi-active suspension further to improve damping property in recent years, the method for easy row is to make the resistance of shock absorber scalable, and the vibration damper of scalable damping has magnetic rheology type, current changing type, hydraulic damping adjustable etc. multiple.Semi-active suspension is most possibly to move towards the emerging technology that marketing is used in the recent period because of its excellent characteristic, and the key of its realization is the exploitation of adjustable shock absorber and controller.
No matter be common passive suspension or semi-active suspension, all need the characteristic of vibration damper is tested to estimate its performance quality, for semi-active suspension, also need characteristic research experiment to its adjustable shock absorber, to solve controlling models, and then, by the quality of test evaluation suspension, perhaps develop the controller of semi-active suspension.Prior oscillating damper attribute testing platform test condition is simple, and function singleness especially can't satisfy the needs of it being tested modeling, and is to utilize the real vehicle test mostly at the testing table of suspension at present, only can estimate the performance after the suspension entrucking.Automobile 1/4th auto models are to estimate suspension property, carry out suspension design and the most frequently used model of controller exploitation, in recent years, seen that 1/4th suspension testing tables made from 1/4th auto models use in the discrete trial chamber, but mainly there is following problem in its design: 1. complex structure; 2. stability was bad when whole stand vibrated; 3. sprung mass and unsprung mass are in vibration processes, and mechanical friction power is big, have influenced the accurate measurement of test figure; 4. suspension parameter is difficult for adjusting, and especially the rigidity of tire is difficult for measuring, and in scaled down suspension test, is not easy need to obtain the tire of rigidity.
Summary of the invention:
The purpose of this utility model is to provide a kind of automobile 1/4th simulated suspension systems and vibration-damper characterist multi-function test stand at the above-mentioned defective of existing suspension and the existence of vibration damper test unit.
The technical scheme that its technical matters that solves the utility model adopts is:
It comprises two testing tables based on a general frame, is respectively automobile 1/4th simulated suspension testing tables, the shock absorber gear performance test platform.Automobile 1/4th simulated suspension testing tables comprise base plate, column, electric vibration table, pallet, lower spring, the vertical line spherical guide, slide block, two acceleration transducers, upper spring, vibration damper, balancing weight, top board, two suspension ring, Lever Blocks, fastening bolt, upper bracket, coupling hook, differential pressure swing type displacement transducer, lower carriage, spring bearer plate, two columns and top board are formed the shaped as frame structure, electric vibration table places the base plate center, the column inboard is respectively equipped with vertical line spherical guide and slide block assembly, be provided with pallet on the electric vibration table successively, lower spring, spring bearer plate, lower carriage, the lower carriage both sides are provided with coupling hook, slide block, be provided with vibration damper on the lower carriage successively, upper spring, differential pressure swing type displacement transducer, upper bracket, be provided with coupling hook about upper bracket, slide block, upper bracket is provided with balancing weight, suspension ring, column is provided with top board, and top board has suspension ring and Lever Blocks.
The shock absorber gear performance test platform comprises base plate, column, electric vibration table, pallet, vibration damper, connector, top board, crossbeam, stud bolt, force transducer, differential pressure swing type displacement transducer, is provided with pallet, vibration damper, connector, force transducer, stud bolt, differential pressure swing type displacement transducer, crossbeam on the electric vibration table successively.
The beneficial effect that the utlity model has is: can carry out multi-purpose test.Can carry out the attribute testing of various vibration dampers; The performance test of common passive 1/4th suspensions; The performance test of half active, 1/4th suspensions; The development experiments of semi-active suspension controller.The present invention adopts shaped as frame structure and vertical line spherical guide, and whole horse structure is simple, stable, and mechanical friction is little; Various suspension parameters are easy to adjust, especially the spring of rigidity such as tire employing substitutes, can directly adopt in test the various suspension parameters in the Computer Simulation, make numerical simulation and verification experimental verification to dock well, improved the effect of suspension property test and semi-active suspension controller development experiments, more convenient in scaled down suspension test.
Description of drawings:
Fig. 1 is automobile 1/4th simulated suspension testing table front elevations;
Fig. 2 is a shock absorber gear performance test platform assembling synoptic diagram;
Fig. 3 is the pallet vertical view;
Fig. 4 is the lower carriage vertical view;
Fig. 5 is the coupling hook vertical view;
Fig. 6 is the upper bracket upward view;
Fig. 7 is the stud sides view;
Fig. 8 is the crossbeam vertical view.
Among the figure: base plate 1, column 2, electric vibration table 3, pallet 4, lower spring 5, vertical line spherical guide 6, slide block 7, acceleration transducer 8, upper spring 9, vibration damper 10, balancing weight 11, acceleration transducer 12, top board 13, suspension ring 14, Lever Blocks 15, suspension ring 16, fastening bolt 17, upper bracket 18, coupling hook 19, differential pressure swing type displacement transducer 20, lower carriage 21, spring bearer plate 22, connector 23, crossbeam 24, stud bolt 25, force transducer 26.
Embodiment:
Described lower carriage 21, about two coupling hooks 19, two slide blocks 7, lower spring 5 and spring bearer plates 22 constitute unsprung mass, about two slide blocks 7 are separately positioned on two sections vertical line spherical guides 6, the front-back of lower carriage 21 respectively has two bolts hole simultaneously, is used to increase the usefulness of counterweight.
Described upper bracket 18, about four coupling hooks 19, four slide blocks 7, balancing weight 11, fastening bolt 17 and suspension ring 16 constitute sprung mass, about four slide blocks 7 are separately positioned on each two sections vertical line spherical guide 6.
Balancing weight 11 is provided with acceleration transducer 12, and the coupling hook 10 of lower carriage 21 is provided with acceleration transducer 8, is provided with differential pressure swing type displacement transducer 20 between balancing weight 11 and the lower carriage 21.
The shock absorber gear performance test stylobate of Fig. 2 is in the framed structure of automobile 1/4th simulated suspension testing tables of Fig. 1, it comprises base plate 1, column 2, electric vibration table 3, pallet 4, vibration damper 9, connector 23, top board 13, crossbeam 24, stud bolt 25, force transducer 26, differential pressure swing type displacement transducer 20, be provided with pallet 4, vibration damper 9, connector 23, force transducer 26, stud bolt 25, crossbeam 24 on the electric vibration table 3 successively, crossbeam 24 is fixed between the left and right pillar 2, is provided with differential pressure swing type displacement transducer 20 between crossbeam 24 and pallet 20.
When carrying out the suspension property test, as shown in Figure 1, electric vibration table 3 is exported the accumulation signal of the actual pavement behavior of simulation under the control of computer system, pallet 4 is with first vibration of the exciting of shaking table, lower spring 5 is along the guide ring up-down vibration of pallet 4, the vibration on simulation tire and ground, lower spring 5 drives vertical line spherical guide 6 vibrations of unsprung mass along the bottom, to vibrate by upper spring 9 and vibration damper 10 and be delivered to sprung mass, make vertical line spherical guide 6 vibrations of sprung mass along top, vibration damper produces with vibration and stretches and compression, produce damping force, play the effect that reduces to vibrate, acceleration transducer 8 is measured the acceleration of unsprung mass, acceleration transducer 12 is measured the acceleration of sprung mass, the relative displacement that differential pressure swing type displacement transducer 20 is measured sprung mass and unsprung mass.
When carrying out shock absorber gear performance test, promote sprung mass, pull down each part of unsprung mass, and pull down vibration damper 10, upper spring 9, differential pressure swing type displacement transducer 20, assemble according to shown in Figure 2, electric vibration table 3 is under the control of computer system, require output signal (being generally sinusoidal signal) according to shock absorber gear performance test, pallet 4 drives vibration damper 9 and stretches and compression, force transducer 26 is measured the damping force of vibration damper 9, and differential pressure swing type displacement transducer 20 is measured the displacement of vibration damper 9 up-down vibration.
The signal input computer system of each sensor, computer system can be carried out real-time graphic presentation to the data of gathering.When semi-active suspension controller development experiments, can gather one or all sensors signal as required, the control algolithm output control signal by setting changes the vibration damper electric current or drives the control motor, thereby regulates the damping value of adjustable shock absorber.
The balancing weight 11 of sprung mass is divided into some that quality does not wait, can accurately dispose sprung mass as required, unsprung mass has been reserved bolt hole in the front and back of lower carriage, can increase quality on the basis of minimum mass, on the item plate 13 Lever Blocks is housed, can promotes sprung mass easily.
In the inboard correspondence of column the bolt hole that is reserved with the plurality of fixed guide rail up and down (as shown in Figure 7) of six sections vertical line spherical guide positions is set, so that adjust guide rail position when choosing the spring of different size and vibration damper.
Claims (4)
1. automobile 1/4th simulated suspension systems and vibration-damper characterist multi-function test stand, it is characterized in that: when carrying out the suspension system correlation test, it comprises base plate (1), column (2), electric vibration table (3), pallet (4), lower spring (5), vertical line spherical guide (6), slide block (7), two acceleration transducers (8,12), upper spring (9), vibration damper (10), balancing weight (11), top board (13), two suspension ring (14,16), Lever Blocks (15), fastening bolt (17), upper bracket (18), coupling hook (19), differential pressure swing type displacement transducer (20), lower carriage (21), spring bearer plate (22), two columns (2) and top board (13) are formed the shaped as frame structure, electric vibration table (3) places base plate (1) center, the column inboard is respectively equipped with vertical line spherical guide (6) and slide block (7) assembly, be provided with pallet (4) on the electric vibration table successively, lower spring (5), spring bearer plate (22), lower carriage (21), the lower carriage both sides are provided with coupling hook (19), slide block (7), be provided with vibration damper (10) on the lower carriage successively, upper spring (9), differential pressure swing type displacement transducer (20), upper bracket (18), be provided with coupling hook (19) about upper bracket, slide block (7), upper bracket is provided with balancing weight (11), suspension ring (10), column (2) is provided with top board (13), and top board has suspension ring (14) and Lever Blocks (15).When carrying out shock absorber gear performance test, it comprises base plate (1), column (2), electric vibration table (3), pallet (4), vibration damper (10), connector (23), top board (13), crossbeam (24), stud bolt (25), force transducer (26), differential pressure swing type displacement transducer (20), is provided with pallet (4), vibration damper (10), connector (23), force transducer (26), stud bolt (25), differential pressure swing type displacement transducer (20), crossbeam (24) on the electric vibration table successively.
2. automobile 1/4th simulated suspension systems according to claim 1 and vibration-damper characterist multi-function test stand, when carrying out the suspension system correlation test, it is characterized in that: described lower carriage (21), about two coupling hooks (19), two slide blocks (7), lower spring (5) and spring bearer plate (22) constitute unsprung mass, about two slide blocks (7) are separately positioned on two sections vertical line spherical guides (6), the front-back of lower carriage (21) respectively is provided with two bolts hole simultaneously, is used to increase the usefulness of counterweight.
3. automobile 1/4th simulated suspension systems according to claim 1 and vibration-damper characterist multi-function test stand, when carrying out the suspension system correlation test, it is characterized in that: described upper bracket (18), about four coupling hooks (19), four slide blocks (7), balancing weight (11), fastening bolt (17) and suspension ring (16) constitute sprung mass, about four slide blocks (7) are separately positioned on each two sections vertical line spherical guide (6).
4. automobile 1/4th simulated suspension systems according to claim 1 and vibration-damper characterist multi-function test stand, when carrying out the suspension system correlation test, it is characterized in that: on pallet (4), be provided with lower spring (5), spring bearer plate (22) is fixed into one with lower spring (5) and lower carriage (21), and lower spring (5) such as is equivalent at the tire of rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200361255U CN201034827Y (en) | 2007-04-12 | 2007-04-12 | Vehicle one quarter simulating suspension system and vibration-damper characterist synthetic test-bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200361255U CN201034827Y (en) | 2007-04-12 | 2007-04-12 | Vehicle one quarter simulating suspension system and vibration-damper characterist synthetic test-bed |
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| CN201034827Y true CN201034827Y (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200361255U Expired - Fee Related CN201034827Y (en) | 2007-04-12 | 2007-04-12 | Vehicle one quarter simulating suspension system and vibration-damper characterist synthetic test-bed |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055233B (en) * | 2007-04-12 | 2010-11-10 | 南京林业大学 | Automobile quarter simulated suspension test platform |
| CN103335854A (en) * | 2013-06-27 | 2013-10-02 | 福建工程学院 | Rubber shock absorber measurement and control system based on acceleration feedback information drive |
| CN104897420A (en) * | 2015-05-15 | 2015-09-09 | 深圳职业技术学院 | Automobile quarter simulation electromagnetic hanger bracket, mechanical vibration exciter, and test bench |
| CN105751844A (en) * | 2016-04-12 | 2016-07-13 | 张钊荣 | Vibration damping structure |
| CN107957340A (en) * | 2017-12-22 | 2018-04-24 | 重庆长安汽车股份有限公司 | Automobile a quarter suspension and damper simulation working condition tests platform |
| CN109752199A (en) * | 2019-03-11 | 2019-05-14 | 德州学院 | 1/4 suspension experimental bench of automobile |
| CN113252265A (en) * | 2021-04-28 | 2021-08-13 | 南京航空航天大学 | Vibration damping and isolating visual general test bed |
| CN117491043A (en) * | 2023-12-29 | 2024-02-02 | 华东交通大学 | Quarter vehicle suspension test system with adjustable components |
-
2007
- 2007-04-12 CN CNU2007200361255U patent/CN201034827Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055233B (en) * | 2007-04-12 | 2010-11-10 | 南京林业大学 | Automobile quarter simulated suspension test platform |
| CN103335854A (en) * | 2013-06-27 | 2013-10-02 | 福建工程学院 | Rubber shock absorber measurement and control system based on acceleration feedback information drive |
| CN104897420A (en) * | 2015-05-15 | 2015-09-09 | 深圳职业技术学院 | Automobile quarter simulation electromagnetic hanger bracket, mechanical vibration exciter, and test bench |
| CN105751844A (en) * | 2016-04-12 | 2016-07-13 | 张钊荣 | Vibration damping structure |
| CN105751844B (en) * | 2016-04-12 | 2017-12-01 | 佛山市极动信息科技有限公司 | A kind of shock-damping structure |
| CN107957340A (en) * | 2017-12-22 | 2018-04-24 | 重庆长安汽车股份有限公司 | Automobile a quarter suspension and damper simulation working condition tests platform |
| CN109752199A (en) * | 2019-03-11 | 2019-05-14 | 德州学院 | 1/4 suspension experimental bench of automobile |
| CN109752199B (en) * | 2019-03-11 | 2024-03-26 | 德州学院 | Automobile 1/4 suspension experiment table |
| CN113252265A (en) * | 2021-04-28 | 2021-08-13 | 南京航空航天大学 | Vibration damping and isolating visual general test bed |
| CN113252265B (en) * | 2021-04-28 | 2022-05-03 | 南京航空航天大学 | Vibration damping and isolating visual general test bed |
| CN117491043A (en) * | 2023-12-29 | 2024-02-02 | 华东交通大学 | Quarter vehicle suspension test system with adjustable components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20080312 Termination date: 20100412 |