CN2932360Y - Multifunctional automobile shock absorber and 1/4 suspension simulative working condition test bed - Google Patents

Multifunctional automobile shock absorber and 1/4 suspension simulative working condition test bed Download PDF

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Publication number
CN2932360Y
CN2932360Y CNU2006201012261U CN200620101226U CN2932360Y CN 2932360 Y CN2932360 Y CN 2932360Y CN U2006201012261 U CNU2006201012261 U CN U2006201012261U CN 200620101226 U CN200620101226 U CN 200620101226U CN 2932360 Y CN2932360 Y CN 2932360Y
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CN
China
Prior art keywords
vibration damper
suspension
crossbeam
column
axle
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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.)
Expired - Lifetime
Application number
CNU2006201012261U
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Chinese (zh)
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 CNU2006201012261U priority Critical patent/CN2932360Y/en
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Publication of CN2932360Y publication Critical patent/CN2932360Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a multifunctional vehicle vibration-damper and quarter suspension working analog test bench, comprising a mechanical platform portion, a hydraulic exciting portion and a computer-controlled system portion. The utility model possesses multiple functions of achieving common drum-type hydraulic vibration-damper, magneto-rheological fluid vibration-damper and working analog tests of common passive quarter suspension and magneto-rheological semi-active quarter suspension, and according to a test result, can analyze not only performance of separate vibration-damper but also integral performance of suspension, also controlling effects of magneto-rheological semi-active suspension under dissimilar controlling strategies can be checked.

Description

Multi-purpose vehicle(MPV) vibration damper and simulating condition by one-quarter suspension testing table
Technical field
The utility model 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 utility model provides a kind of vehicle shock absorber and simulating condition by one-quarter suspension testing table.
The utility model 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 utlity model 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 utility model;
Fig. 4 is a transverse beam assembly structure front elevation of the present utility model;
Fig. 5 is a transverse beam assembly structure vertical view of the present utility model;
Fig. 6 (a) is a vibration damper clamp structure synoptic diagram of the present utility model;
Fig. 6 (b) is a vibration damper anchor clamps vertical view of the present utility model;
Fig. 7 is a vibration damper web member structural representation of the present utility model.
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. multi-purpose vehicle(MPV) vibration damper and 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. multi-purpose vehicle(MPV) vibration damper according to claim 1 and simulating condition by one-quarter suspension testing table, it is characterized in that: described vehicle wheel component (22) has at column (7) goes up the sliding sleeve (10) that slides, be provided with clamp (40) between two sliding sleeves, 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. multi-purpose vehicle(MPV) vibration damper according to claim 1 and simulating condition by one-quarter suspension testing table, it is characterized in that: transverse beam assembly has sliding sleeve (4), dust ring, axle wear ring are arranged in the sliding sleeve, be provided with crossbeam (5) between two sliding sleeves, 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. multi-purpose vehicle(MPV) vibration damper according to claim 3 and simulating condition by one-quarter suspension testing table, it 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).
CNU2006201012261U 2006-02-27 2006-02-27 Multifunctional automobile shock absorber and 1/4 suspension simulative working condition test bed Expired - Lifetime CN2932360Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2006201012261U CN2932360Y (en) 2006-02-27 2006-02-27 Multifunctional automobile shock absorber and 1/4 suspension simulative working condition test bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2006201012261U CN2932360Y (en) 2006-02-27 2006-02-27 Multifunctional automobile shock absorber and 1/4 suspension simulative working condition test bed

Publications (1)

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CN2932360Y true CN2932360Y (en) 2007-08-08

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102539171A (en) * 2011-12-23 2012-07-04 青岛大学 Test-bed of double-control vehicle semi-active suspension system
CN102721550A (en) * 2012-07-12 2012-10-10 湖南师范大学 Test device of automobile magnetorheological suspension system
CN103471857A (en) * 2013-09-09 2013-12-25 奇瑞汽车股份有限公司 Fatigue testing device of auxiliary car frame and control arm assembly
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
CN113324769A (en) * 2021-05-28 2021-08-31 重庆大学 Suspension test bed, hardware-in-loop test system and hardware-in-loop test method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102539171A (en) * 2011-12-23 2012-07-04 青岛大学 Test-bed of double-control vehicle semi-active suspension system
CN102539171B (en) * 2011-12-23 2015-01-07 青岛大学 Test-bed of double-control vehicle semi-active suspension system
CN102721550A (en) * 2012-07-12 2012-10-10 湖南师范大学 Test device of automobile magnetorheological suspension system
CN102721550B (en) * 2012-07-12 2014-08-06 湖南师范大学 Test device of automobile magnetorheological suspension system
CN103471857A (en) * 2013-09-09 2013-12-25 奇瑞汽车股份有限公司 Fatigue testing device of auxiliary car frame and control arm assembly
CN103471857B (en) * 2013-09-09 2016-01-13 奇瑞汽车股份有限公司 A kind of fatigue experimental device of secondary car frame band control arm assembly
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
CN113324769A (en) * 2021-05-28 2021-08-31 重庆大学 Suspension test bed, hardware-in-loop test system and hardware-in-loop test method
CN113324769B (en) * 2021-05-28 2022-04-01 重庆大学 Suspension test bed, hardware-in-loop test system and hardware-in-loop test method

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Effective date of abandoning: 20090722

C25 Abandonment of patent right or utility model to avoid double patenting