CN100516813C - Multifunction shockabsorber for automobile and quarter cantilever operation-condition-simulating testing table - Google Patents

Multifunction shockabsorber for automobile and quarter cantilever operation-condition-simulating testing table Download PDF

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Publication number
CN100516813C
CN100516813C CNB2006100496163A CN200610049616A CN100516813C CN 100516813 C CN100516813 C CN 100516813C CN B2006100496163 A CNB2006100496163 A CN B2006100496163A CN 200610049616 A CN200610049616 A CN 200610049616A CN 100516813 C CN100516813 C CN 100516813C
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China
Prior art keywords
suspension
column
crossbeam
vibration damper
transverse
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Expired - Fee Related
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CNB2006100496163A
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Chinese (zh)
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CN1815158A (en
Inventor
潘栋
潘双夏
王维锐
陈顺牛
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Zhejiang University ZJU
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Zhejiang University ZJU
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Priority to CNB2006100496163A priority Critical patent/CN100516813C/en
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Publication of CN100516813C publication Critical patent/CN100516813C/en
Expired - Fee Related legal-status Critical Current
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Abstract

Present invention relates to a multifunction vibroshock and quarter suspension simulated condition testing table. It contains mechanical jack horse part, hydraulic pressure part and computer control system computer control system part. Said invention possess variety function, capable of realizing simulated condition test to common sausage type oil pressure vibration absorber, magnetic fluid deformation vibration absorber, common passive quarter suspension and magnetic fluid deformation semiactive suspension. Said invention can analyse single vibration absorber, suspension whole performance, and verifying magnetic fluid deformation semiactive suspension control effect in different control strategy.

Description

Multi-purpose vehicle(MPV) vibration damper and simulating condition by one-quarter suspension testing table
Technical field
The present invention relates to multi-purpose vehicle(MPV) vibration damper and simulating condition by one-quarter suspension testing table.
Background technology
Along with the development of Domestic Automotive Industry, to suspension system and critical component thereof---the vibration damper requirement is more and more higher.The method of estimating the two performance quality is exactly that the obtained performance parameter is passed judgment on according to certain standard by test.At present, the testing table at vibration damper and suspension uses in the industry respectively, but their function singlenesses, and test condition is simple, can't satisfy the requirement of simulation real working condition.Particularly the suspension testing table is to utilize the real vehicle test mostly, be difficult to obtain the effect of different vibration dampers in same suspension system, and the parts that play a crucial role in the suspension system is exactly vibration damper.
In recent years, the appearance of new material magnetic rheological liquid had promoted the development of MR fluid shock absorber, and corresponding MR fluid shock absorber semi-active suspension has also just entered the scope of people's researchs.There are some researches show that the MR fluid shock absorber semi-active suspension has better damping property than traditional passive suspension, market potential is huge.External research in this respect early but yet is in laboratory stage, and domestic research is at the early-stage, therefore, needs a kind of testing table that can test MR fluid shock absorber and magnetic flow liquid semi-active suspension badly.
Light buses such as present automobile, particularly car adopt MacPherson strut more, and in this suspension, four wheels are stressed approximate identical with moving situation, therefore can 1/4th of car body be studied, to draw the performance of suspension integral body.
Summary of the invention
The purpose of this invention is to provide a kind of vehicle shock absorber and simulating condition by one-quarter suspension testing table.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
It comprises fixedly top board, two fixed blocks, column, spring, vibration damper, securing member, the hydraulic cylinder fixed station, the hydraulic exciting cylinder, the rod-pulling type displacement transducer, Weight plate, base support, electric block, the wheel brace table, wheel, vehicle wheel component, two force transducers, transverse beam assembly, two pulleys, on securing member, be provided with column, on column, be provided with two fixed blocks, be provided with the hydraulic cylinder fixed station at column lower end, Weight plate, between hydraulic cylinder fixed station and Weight plate, be provided with the hydraulic exciting cylinder, the rod-pulling type displacement transducer, hydraulic exciting cylinder upper end is provided with the wheel brace table successively, wheel, vehicle wheel component, vibration damper, spring, two force transducers, transverse beam assembly, fixing top board, two pulleys, the base support outside is provided with electric block.
The useful effect that the present invention has is: gather multi-function in integral whole.Can test the performance of passive vibration damper; Can test the performance that becomes semi-active damper; Can simulate the moving situation of common passive 1/4th suspensions and test its performance; Can simulate the moving situation of magnetorheological half active, 1/4th suspensions and test its performance.
Description of drawings
Fig. 1 is vehicle shock absorber and simulating condition by one-quarter suspension test platform structure front elevation;
Fig. 2 is vehicle shock absorber and simulating condition by one-quarter suspension test platform structure side view;
Fig. 3 is a vehicle wheel component structural representation of the present invention;
Fig. 4 is a transverse beam assembly structure front elevation of the present invention;
Fig. 5 is a transverse beam assembly structure vertical view of the present invention;
Fig. 6 is a vibration damper clamp structure synoptic diagram of the present invention;
Fig. 7 is a vibration damper web member structural representation of the present invention.
Among the figure: fixedly top board 1, acceleration transducer 2, fixed block 3, sliding sleeve 4, crossbeam 5, fixed block 6, column 7, spring 8, vibration damper 9, sliding sleeve 10, securing member 11, securing member 12, hydraulic cylinder fixed station 13, hydraulic exciting cylinder 14, rod-pulling type displacement transducer 15, Weight plate 16, base 17, base support 18, electric block 19, wheel brace table 20, wheel 21, vehicle wheel component 22, four-jaw chuck 23, force transducer 24, force transducer 25, stay-supported displacement transducer 26, flange 27, stay-supported displacement transducer 28, suspension ring 29, pulley 30, pulley 31, balancing weight 32, pin 33, axle wear ring 34, dust ring 35, wheel shaft 36, balancing disk 37, terminal pad 38, support plate 39, clamp 40, flange 41, flange 42, axle 43, vibration damper anchor clamps 44, vibration damper web member 45.
Embodiment
Multi-purpose vehicle(MPV) vibration damper and simulating condition by one-quarter suspension testing table comprise fixedly top board 1, fixed block 3, fixed block 6, column 7, spring 8, vibration damper 9, securing member 11, securing member 12, hydraulic cylinder fixed station 13, hydraulic exciting cylinder 14, rod-pulling type displacement transducer 15, Weight plate 16, base 17, base support 18, electric block 19, wheel brace table 20, wheel 21, vehicle wheel component 22, force transducer 24, force transducer 25, transverse beam assembly, pulley 30, pulley 31, on securing member, be provided with column 7, on column, be provided with fixed block 3, fixed block 6, be provided with hydraulic cylinder fixed station 13 at column lower end, Weight plate 16, between hydraulic cylinder fixed station 13 and Weight plate 16, be provided with hydraulic exciting cylinder 14, rod-pulling type displacement transducer 15, hydraulic exciting cylinder 14 upper ends are provided with wheel brace table 20 successively, wheel 21, vehicle wheel component 22, vibration damper 9, spring 8, force transducer 24, force transducer 25, transverse beam assembly, fixedly top board 1, pulley 30, pulley 31, base support 18 outsides are provided with electric block 19.
Described vehicle wheel component 22 has between sliding sleeve 10, two sliding sleeves that slide on the column 7 and is provided with clamp 40, and the four-jaw chuck 23 that clamp has support plate 39, clamp vibration damper 9 is fixed on the clamp, dust ring 35, axle is arranged with wear ring 34 in the sliding sleeve.
Transverse beam assembly has sliding sleeve 4, has dust ring, axle to use wear ring in the sliding sleeve, is provided with crossbeam 5 between two sliding sleeves, on crossbeam, be provided with flange 27, flange 41, be provided with axle 43 in the middle of the crossbeam, welding flange 42, crossbeam top are provided with suspension ring 29 on the axle, are with balancing weight 32 on the axle.
Crossbeam is provided with acceleration transducer 2, stay-supported displacement transducer 28, and crossbeam has stay-supported displacement transducer 26.
In the course of work, as shown in Figure 1, hydraulic exciting cylinder 14 is exported the accumulation signal of setting under the control of computer system, simulate actual pavement behavior, and rod-pulling type displacement transducer 15 is measured hydraulic cylinder output displacement; Wheel 21 is positioned on the wheel brace table 20, produces vibration under the effect of hydraulic exciting cylinder, simulates the motion of actual car body wheel; Four-jaw chuck 23 clamps vibration damper 9 ends, the vibration damper upper end connects force transducer 24, vibration damper stretches and compression along with vibration produces, force transducer 24 is measured the damping force of vibration damper, force transducer 25 is measured the damping force of vibration damper and spring integral body, the reason of Ce Lianging is respectively, and it is non-linear to consider that spring 8 may exist; Force transducer 25 is connected with transverse beam assembly 5 by screw thread, and coupling shaft 43 on the transverse beam assembly, is with balancing weight 32 on the axle, and transverse beam assembly and balancing weight are done vertical movement along column 7 under the drive of vibration damper, simulate the motion on suspension spring top in the actual car body; In the motion process, the relative displacement that stay-supported displacement transducer 26 is measured vehicle wheel component and transverse beam assembly, the absolute displacement that stay-supported displacement transducer 28 is measured transverse beam assembly and top board 1, acceleration transducer 2 is measured the acceleration of transverse beam assembly.
When carrying out 1/4th suspension simulation tests, be installed in the fixed block 3 of the transverse beam assembly upper and lower on the column, fixed block 6 is separately fixed at the idle position of column, when only needing the performance of passive vibration damper of test or magnetorheological semi-active damper, fixed block 3, fixed block 6 is connected with transverse beam assembly by bolt, length according to tested vibration damper, transverse beam assembly is fixed in position suitable on the column, remove wheel 21, vehicle wheel component 22 and force transducer 24, the damper piston rod end is fixed on the wheel brace table by screw thread, vibration damper hanger end is by anchor clamps 44, web member 45 is connected with force transducer 25, can measure.
The signal input computer system of each sensor, computer system can be carried out real-time graphic presentation to the data of gathering, when the magnetorheological semi-active damper of test, also can be according to the control law of setting, output current signal, the coil of control magneto-rheological vibration damper inside changes its performance.
Inside wheel is equipped with balancing disk, simulates the weight of the parts such as brake disc in the actual car body; Balancing weight is housed on the transverse beam assembly, simulates the weight of suspension spring upper-part in the actual car body.Electric block is housed on the stand, can lifts transverse beam assembly easily.On the stand column, the upper and lower of transverse beam assembly is equipped with fixed block respectively, can utilize bolt to be connected with transverse beam assembly, and transverse beam assembly is fixed on the column.
Computer system can the output current control signal, the electric current in the control magneto-rheological vibration damper coil.In the hydraulic vibration exciter system electrohydraulic servo valve is arranged, under the control of computer system, can export various accumulation signals.

Claims (4)

1. automobile simulating condition by one-quarter suspension testing table, it is characterized in that: it comprises fixedly top board (1), fixed block (3,6), column (7), spring (8), vibration damper (9), securing member (11,12), hydraulic cylinder fixed station (13), hydraulic exciting cylinder (14), rod-pulling type displacement transducer (15), Weight plate (16), base (17), base support (18), electric block (19), wheel brace table (20), wheel (21), vehicle wheel component (22), force transducer (24,25), transverse beam assembly, pulley (30,31), at securing member (11,12) be provided with column (7), on column, be provided with fixed block (3,6), be provided with hydraulic cylinder fixed station (13) at column lower end, Weight plate (16), between hydraulic cylinder fixed station (13) and Weight plate (16), be provided with hydraulic exciting cylinder (14), rod-pulling type displacement transducer (15), hydraulic exciting cylinder (14) upper end is provided with wheel brace table (20) successively, wheel (21), vehicle wheel component (22), vibration damper (9), spring (8), force transducer (24,25), transverse beam assembly, fixing top board (1), pulley (30,31), base support (18) outside is provided with electric block (19).
2. a kind of automobile simulating condition by one-quarter suspension testing table according to claim 1, it is characterized in that: described vehicle wheel component (22) has at column (7) goes up second sliding sleeve (10) that slides, be provided with clamp (40) between two second sliding sleeves (10), the four-jaw chuck (23) that clamp has support plate (39), clamping vibration damper (9) is fixed on the clamp, and dust ring (35), axle wear ring (34) are arranged in the sliding sleeve.
3. a kind of automobile simulating condition by one-quarter suspension testing table according to claim 1, it is characterized in that: transverse beam assembly has first sliding sleeve (4), dust ring, axle wear ring are arranged in the sliding sleeve, be provided with crossbeam (5) between two first sliding sleeves (4), on crossbeam, be provided with flange (27,41), be provided with axle (43) in the middle of the crossbeam, welding flange on the axle (42), crossbeam top are provided with suspension ring (29), are with balancing weight (32) on the axle.
4. a kind of automobile simulating condition by one-quarter suspension testing table according to claim 3 is characterized in that: described crossbeam is provided with acceleration transducer (2), stay-supported displacement transducer (28), and crossbeam has stay-supported displacement transducer (26).
CNB2006100496163A 2006-02-27 2006-02-27 Multifunction shockabsorber for automobile and quarter cantilever operation-condition-simulating testing table Expired - Fee Related CN100516813C (en)

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CN100516813C true CN100516813C (en) 2009-07-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102323027A (en) * 2011-08-12 2012-01-18 三一重机有限公司 Mining self-unloading vehicle oil gas suspension vibration testing stand

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CN101055233B (en) * 2007-04-12 2010-11-10 南京林业大学 Automobile quarter simulated suspension test platform
CN101403656B (en) * 2007-12-19 2011-02-16 奇瑞汽车股份有限公司 Double-moving endurance experiment apparatus of vibration damper
CN101943635A (en) * 2010-09-05 2011-01-12 荆门宏图特种飞行器制造有限公司 Damping spring test device for motor vehicle
CN102252835A (en) * 2011-04-13 2011-11-23 上海朱仕实业有限公司 Damping testing instrument for damping device of washing machine
CN102519736B (en) * 2011-12-15 2015-05-13 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
CN102680335B (en) * 2012-06-07 2013-12-25 北京航空航天大学 Test device for testing impact performance of magnetic-sensitive elastomer
CN102759446A (en) * 2012-07-16 2012-10-31 天津天德减震器有限公司 Performance detection and connection device for column-type shock absorber
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
CN103712678A (en) * 2013-12-03 2014-04-09 广西大学 Virtue instrument-based automobile simulated vibration low-frequency detection and analysis system
CN103913315B (en) * 2014-04-10 2016-04-27 奇瑞汽车股份有限公司 Automobile suspension system performance testing device, method of testing and optimization method
CN104165775B (en) * 2014-07-28 2016-08-24 安徽工程大学 A kind of mechanical vibration reducing device testing stand
CN104132821A (en) * 2014-08-08 2014-11-05 常州万安汽车部件科技有限公司 Fatigue testing system for vehicle hydraulic interconnection suspension system
CN104568424B (en) * 2015-02-05 2017-09-19 东南大学 The loading device of load force direction self-balancing and the numerically-controlled slide Static stiffness test platform of force direction automatic control
CN105067286A (en) * 2015-07-21 2015-11-18 重庆工商大学 Testing device for performance of vehicle damper
CN105806636B (en) * 2016-04-28 2018-08-14 宁波拓普工业自动化有限公司 A kind of test device of vehicle spring body
CN108692956A (en) * 2018-04-09 2018-10-23 杭州亿恒科技有限公司 Double crossbeam Vehicle Suspension Vibration experimental rigs and method
CN109342178A (en) * 2018-12-04 2019-02-15 山东三越仪器有限公司 Energy dissipating, damping, shock insulation comprehensive test system

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