CN101055233A - Automobile quarter simulated suspension system and shock absorber characteristic integral test platform - Google Patents
Automobile quarter simulated suspension system and shock absorber characteristic integral test platform Download PDFInfo
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- CN101055233A CN101055233A CN 200710021439 CN200710021439A CN101055233A CN 101055233 A CN101055233 A CN 101055233A CN 200710021439 CN200710021439 CN 200710021439 CN 200710021439 A CN200710021439 A CN 200710021439A CN 101055233 A CN101055233 A CN 101055233A
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Abstract
The invention discloses a vehicle quarter simulated suspension system and a damper characteristic composite test bench, consisting of two parts of a whole frame-based suspension system test bench and a damper characteristic test bench which are comprised relatively a mechanical bench part, an electric excitation part and a computer control part. The invention is capable of performing characteristic test, ordinary passive and semi-active quarter suspension characteristic test of various dampers, and development test of semi-active suspension controller. Using frame structure and vertical straight ball slide, and with simple and stable bench structure, little mechanical friction and convenience for adjusting suspension parameter, it is capable of using various suspension parameter in computer simulating calculation in the test, which enables good connection between numerical simulation and test validation, thereby improving the effect of the suspension performance test and semi-active suspension controller development test.
Description
Technical field:
The present invention 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 objective of the invention is to above-mentioned defective, a kind of automobile 1/4th simulated suspension systems and vibration-damper characterist multi-function test stand are provided at existing suspension and the existence of vibration damper test unit.
The technical solution adopted for the present invention to solve the technical problems 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 present invention 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:
Automobile 1/4th simulated suspension testing tables of Fig. 1 comprise 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, base plate 1, about two columns 2 and top board 13 form the shaped as frame structures, electric vibration table 3 places the base plate center, two column 2 inboards are provided with vertical line spherical guide 6, each parallelly is provided with two sections about top, each parallelly is provided with one section about the bottom, be fixed with pallet 4 on the electric vibration table 3, pallet 4 is provided with lower spring 5, the tire of rigidity such as lower spring 5 is equivalent to, lower spring 5 is provided with lower carriage 21, lower carriage about 21 is connected with two slide blocks 7 by two coupling hooks 19, spring bearer plate 22 is lower spring 5 fixedly, lower carriage 21 is provided with upper spring 9, vibration damper 10, vibration damper 10 places in the upper spring 9, vibration damper 10 is provided with upper bracket 18, upper bracket about 18 is provided with coupling hook 19, about four coupling hooks 19 be connected with four slide blocks 7 respectively, upper bracket 18 is provided with balancing weight 11, suspension ring 16, column is provided with top board 13, and top board 13 has suspension ring 14 and palm cucurbit 15.
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100214392A CN101055233B (en) | 2007-04-12 | 2007-04-12 | Automobile quarter simulated suspension test platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100214392A CN101055233B (en) | 2007-04-12 | 2007-04-12 | Automobile quarter simulated suspension test platform |
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| CN101055233A true CN101055233A (en) | 2007-10-17 |
| CN101055233B CN101055233B (en) | 2010-11-10 |
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| CN2007100214392A Expired - Fee Related CN101055233B (en) | 2007-04-12 | 2007-04-12 | Automobile quarter simulated suspension test platform |
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| CN102519736A (en) * | 2011-12-15 | 2012-06-27 | 三一重工股份有限公司 | Test board of automobile shock damper and steel plate spring, compatibility test system and method thereof |
| CN102539171A (en) * | 2011-12-23 | 2012-07-04 | 青岛大学 | Test-bed of double-control vehicle semi-active suspension system |
| CN103454054A (en) * | 2013-08-07 | 2013-12-18 | 中国科学院力学研究所 | Force control loading and layout variable vertical vibration experimental device |
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| CN103853149A (en) * | 2013-12-25 | 2014-06-11 | 吉林大学 | Hardware-in-loop test bed for magnetorheology semi-active suspension control prototype development |
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| CN2341139Y (en) * | 1998-09-18 | 1999-09-29 | 崔靖 | Vibration testing table for suspension vibration absorber of vehicle |
| CN2707547Y (en) * | 2003-03-04 | 2005-07-06 | 吉林大学 | Road train straight-line driving transverse stability model experiment bench |
| CN2636220Y (en) * | 2003-08-15 | 2004-08-25 | 石家庄华燕汽车检测设备厂 | Platform for testing suspension of car |
| CN100516813C (en) * | 2006-02-27 | 2009-07-22 | 浙江大学 | Multifunction shockabsorber for automobile and quarter cantilever operation-condition-simulating testing table |
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