CN101718632B - Multifunctional test bed for simulating condition by one-quarter suspension of vehicle - Google Patents
Multifunctional test bed for simulating condition by one-quarter suspension of vehicle Download PDFInfo
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- CN101718632B CN101718632B CN2009101538805A CN200910153880A CN101718632B CN 101718632 B CN101718632 B CN 101718632B CN 2009101538805 A CN2009101538805 A CN 2009101538805A CN 200910153880 A CN200910153880 A CN 200910153880A CN 101718632 B CN101718632 B CN 101718632B
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- 238000006243 chemical reaction Methods 0.000 claims description 4
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- 238000010168 coupling process Methods 0.000 claims description 4
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- 238000005259 measurement Methods 0.000 claims description 3
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- 239000006096 absorbing agent Substances 0.000 abstract 1
- 238000011160 research Methods 0.000 description 4
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- 238000000034 method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
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Abstract
The invention discloses a multifunctional test bed for simulating condition by a one-quarter suspension of a vehicle, comprising a T-shaped groove base, a test bed support frame, an actuating bench assembly and a vehicle suspension assembly. The test bed support frame is arranged on one side of the T-shaped groove base; and the actuating bench assembly is arranged on the other side of the T-shaped groove base. The vehicle suspension assembly is arranged on a working disk of the actuating bench assembly; and the vibration response of a vehicle body and unsprung mass can be obtained by simulating the road surface vibration through the output of an actuating bench. The multifunctional test bed has multiple functions, can meet simulation condition tests of transverse arm type, multi-link type and Macphersan type suspension systems in the suspension forms, meet simulation condition tests of passive, semi-active and active suspension systems in the types and meet actual condition tests and pseudo-dynamic tests in the simulation modes. According to the test results, the invention not only can analyze the performance of single vibration absorber, but also can analyze the overall performance of the suspension and can verify control effects of magnetorheological semi-active suspension under different control strategies.
Description
Technical field
The present invention relates to multi-function test stand, especially relate to a kind of multifunctional test bed for simulating condition by one-quarter suspension of vehicle.
Background technology
Along with the development of Domestic Automotive Industry, to vehicle suspension system and key components and parts thereof---the performance requirement of vibroshock 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 vibroshock and suspension uses in the industry respectively, but the vibroshock experiment table often is meant vibroshock dynamometer machine and vibroshock fatigue experiment platform, and its test event is single, can't satisfy the requirement of simulation real working condition.And the suspension testing table, there are some to ignore the effect of suspension leverage often, only consider vertical simplified model, can't react the truth of suspension vibration, and the suspension test is to utilize the real vehicle test mostly, be difficult to obtain the best applications effect of different vibroshocks and suspension leverage coupling generation, and the parts that play a crucial role in the suspension system are exactly vibroshock.
In recent years, the maturation gradually along with the magnetic flow liquid body technique has promoted the development of magnetorheological vibroshock, and corresponding magneto-rheological semiactive suspension also becomes the research focus.There are some researches show that magneto-rheological semiactive 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 magnetorheological vibroshock and magneto-rheological semiactive suspension badly.
Summary of the invention
Because present automobile, light bus such as car particularly, the independent suspension forms that adopt more, in this suspension, four wheels are stressed separate with moving situation and approximate identical, therefore, the object of the present invention is to provide a kind of multifunctional test bed for simulating condition by one-quarter suspension of vehicle, to draw the performance of suspension integral body.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
The present invention includes T type bottom land seat, experiment table bracing frame and start stand assembly, a side of T type bottom land seat is installed the experiment table bracing frame, and the opposite side of T type bottom land seat is installed start stand assembly; Wherein:
1) the experiment table bracing frame is near Weight plate, the suspension front apron that vertical line slideway, counterweight backboard, multi-disc are overlapped into is installed on the side of start stand assembly from the inside to the outside successively, connect connected clamping device on the vibroshock on suspension front apron top, joint group weldment after the swing arm, joint group weldment before the swing arm down under the left and right sides, suspension front apron bottom connects respectively, connected clamping device on the vibroshock, down after the swing arm before joint group weldment and the following swing arm joint group weldment all can be about the suspension front apron, left and right adjusting rigging position and fixing;
2) start stand assembly comprises inner sleeve, outer sleeve and stand; The outer sleeve bottom is servomotor fixedly, servo motor shaft links to each other with ball-screw by adapter sleeve, distinguish the mounting plane bearing up and down at outer sleeve bottom surface dividing plate, compress with adapter sleeve on first surface bearing, second surface bearing used nut lock down, on the dividing plate of outer sleeve bottom surface, first surface bearing arranged outside buffer stopper; The inner sleeve bottom is connected with an end of ball-screw, and the other end of ball-screw links to each other with cushion pad, limited block, and pallet is connected with inner sleeve top with fixed pin, and locks installment work dish on the pallet with fixing sleeve; Outer sleeve middle part frame is on the stand end face, and inner sleeve is installed in outer sleeve inside, and rail plate is installed in the inner sleeve side, and the slide block of rail plate is installed in the outer sleeve side;
3) the top connector in the suspension measurement coupling assembling passes the cantilever end of connected clamping device on the vibroshock, use cushion cover, lower sleeve is clamped, and with the locking of total retainer nut, the top connector connects first force transducer connector, piston rod conversion head, second force transducer connector from top to bottom successively, is connected with the piston lever of reducer of measured suspension again; Push down block rubber, spring assembly and the vibroshock of measured suspension under the lower sleeve; The steering drag link of measured suspension links to each other with the steering drag link connector, the following swing arm of measured suspension respectively with following swing arm after the joint group weldment, down the joint group weldment links to each other before the swing arm;
4) first acceleration transducer is arranged on the vibroshock on the connected clamping device, intend power limited block side first stay-supported displacement transducer is arranged, second stay-supported displacement transducer arranged on the scratch diskette, the 3rd stay-supported displacement transducer arranged on the outer sleeve, second acceleration transducer arranged on brake flange and the counterweight, first force transducer is installed on first force transducer connector, second force transducer is installed on second force transducer connector.
The useful effect that the present invention has is:
The present invention gathers multi-function in integral whole.Can satisfy the simulated condition test of automobile wish-bone arm type suspension, many link-types suspension, MacPherson type suspension from the suspension form branch; Can satisfy the simulated condition test of passive type, semi-active type, active suspension system from suspension type branch; Can satisfy actual condition test and pseudo from the analog form branch.According to test findings, both can analyze the performance of single vibroshock, the suspension overall performance can be analyzed again, and the control effect of magneto-rheological semiactive suspension under different control strategies can be verified.Compare existing suspension test bench installation, on the mode of vibration owing to adopted type motor-driven little compared to general hydraulic-driven form floor area, and control easily, introduced of the influence of suspension leverage from testing result to the body vibrations situation, in assembling, considered Kingpin inclination, the influence factor of tyre toe-out, the actual conditions of pressing close to Vehicular vibration more.
Description of drawings
Fig. 1 is a simulating condition by one-quarter suspension of vehicle test platform structure front elevation.
Fig. 2 is a simulating condition by one-quarter suspension of vehicle testing table A-A sectional view.
Fig. 3 is a start horse structure synoptic diagram of the present invention.
Fig. 4 is vehicle 1/4th a suspensions assembling synoptic diagram of the present invention.
Fig. 5 is a start stand outer sleeve bottom enlarged diagram.
Among the figure: 1, T type bottom land seat, 2, the experiment table bracing frame, 3, the bracing frame front apron, 4, intend the power limited block, 5, line slideway, 6, the counterweight backboard, 7, Weight plate, 8, the suspension front apron, 9, acceleration transducer, 10, connected clamping device on the vibroshock, 11, force transducer, 12, force transducer, 13, the steering drag link connector, 14, acceleration transducer, 15, joint group weldment after the following swing arm, 16, joint group weldment before the following swing arm, 17, the vehicle suspension assembly, 18, the stay-supported displacement transducer, 19, the stay-supported displacement transducer, 20, the stay-supported displacement transducer, 21, start stand assembly, 22, servomotor, 23, round nut, 24, round nut, 25, surface bearing, 26, surface bearing, 27, buffer stopper, 28, adapter sleeve, 29, ball-screw, 30, limited block, 31, inner sleeve, 32, scratch diskette, 33, pallet, 34, fixing sleeve, 35, fixed pin, 36, cushion pad, 37, rail plate, 38, outer sleeve, 39, stand, 40, the top connector, 41, total retainer nut, 42, last cushion cover, 43, lower sleeve, 44, the force transducer connector, 45, block rubber, 46, the piston rod conversion head, 47, the force transducer connector, 48, spring, 49, vibroshock, 50, tire, 51, brake flange and counterweight, 52, steering drag link, 53, following swing arm.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, it comprises T type bottom land seat 1, experiment table bracing frame 2, start stand assembly 21 and vehicle suspension assembly 17 the present invention, one side of T type bottom land seat 1 is installed experiment table bracing frame 2, the opposite side of T type bottom land seat 1 is installed start stand assembly 21, mounting vehicle suspended rack assembly 17 on the start stand assembly 21; Wherein:
1) experiment table bracing frame 2 is installed bracing frame front apron 3 from the inside to the outside successively near on the side of start stand assembly 21, vertical line slideway 5, counterweight backboard 6, the Weight plate 7 that multi-disc is overlapped into, suspension front apron 8, install 4 up and down respectively at bracing frame front apron 3 and intend power limited block 4, connect connected clamping device 10 on the vibroshock on suspension front apron 8 tops, joint group weldment 15 after the swing arm under the left and right sides, suspension front apron 8 bottom connects respectively, joint group weldment 16 before the following swing arm, connected clamping device 10 on the vibroshock, joint group weldment 16 all can be about suspension front apron 8 before joint group weldment 15 and the following swing arm after the following swing arm, the left and right adjusting rigging position is also fixing;
2) start stand assembly 21 comprises inner sleeve 31, outer sleeve 38 and stand 39; Outer sleeve 38 bottoms are servomotor 22 fixedly, 22 of servomotors pass through adapter sleeve 28 and link to each other with ball-screw 29, distinguish mounting plane bearing 25,26 up and down at outer sleeve 38 bottom surface dividing plates, compress with adapter sleeve 28 on first surface bearing 26, second surface bearing 25 times is with two round nuts 23,24 lockings, on outer sleeve 38 bottom surface dividing plates, first surface bearing 26 arranged outside buffer stoppers 27; Inner sleeve 31 bottoms are connected with an end of ball-screw 29, and the other end of ball-screw 29 links to each other with cushion pad 36, limited block 30, and pallet 33 usefulness fixed pins 35 are connected with inner sleeve 31 tops, and lock installment work dish 32 on the pallet 33 with fixing sleeve 34; Outer sleeve 38 middle part framves are on stand 39 end faces, and inner sleeve 31 is installed in outer sleeve 38 inside, and rail plate 37 is installed in inner sleeve 31 sides, and the slide block of rail plate 37 is installed in the outer sleeve side;
3) the top connector 40 in the suspension measurement coupling assembling passes the cantilever end of connected clamping device 10 on the vibroshock, use cushion cover 42, lower sleeve 43 is clamped, and with 41 lockings of total retainer nut, top connector 40 connects first force transducer connector 44, piston rod conversion head 46, second force transducer connector 47 from top to bottom successively, is connected with vibroshock 49 piston rods in the measured vehicle suspension assembly 17 again; Lower sleeve is pushed down block rubber 45, spring assembly 48 and the vibroshock 49 of measured suspension for 43 times, the steering drag link 52 of measured suspension links to each other with steering drag link connector 13, the following swing arm 53 in the measured vehicle suspension assembly 17 respectively with following swing arm after joint group weldment 15, down joint group weldment 16 links to each other before the swing arm; Tire 50 in the measured vehicle suspension assembly 17 is placed on the scratch diskette 32, and brake flange and counterweight 51 are installed in the tire 50;
4) first acceleration transducer 9 is arranged on the vibroshock on the connected clamping device 10, intend power limited block 4 sides first stay-supported displacement transducer 19 is arranged, second stay-supported displacement transducer 18 arranged on the scratch diskette 32, the 3rd stay-supported displacement transducer 20 arranged on the outer sleeve 38, second acceleration transducer 14 arranged on brake flange and the counterweight 51, install on first force transducer connector 44 second force transducer 12 is installed on 11, the second force transducer connectors 47 of first force transducer.
When making actual working condition tests, remove and intend power limited block 4, as shown in Figure 3, servomotor 22 rotates under the control of computer system, the accumulation signal that output is set, simulate actual pavement behavior, pass to ball-screw 29 by adapter sleeve 28, there is rolling bearing 25,26 to allow to relatively rotate again, and fixing by round nut 23,24, so ball-screw nut pushes inner sleeve 31 and moves up and down, inner sleeve 31 upper ends connect fixing sleeve 34, pallet 33, scratch diskette 32, stay-supported displacement transducer 20 is measured start stand output displacement, simulates actual road roughness.Then as shown in Figure 1, vibration transfer is given the vehicle suspension assembly, the vibroshock 49 of suspension and spring assembly 48 stretch and compression along with vibration produces, force transducer 12 is measured the damping force of vibroshock, force transducer 11 is measured the damping force of vibroshock and spring integral body, the reason of Ce Lianging is respectively, and it is non-linear to consider that influence that the suspension leverage causes and spring 48 may exist; The vibroshock upper end is connected with the vehicle body counterweight by last cushion cover 42, the total retainer nut 41 of lower sleeve 43 usefulness.Counterweight backboard 6, Weight plate 7, suspension front apron 8 are done vertical movement along rail plate 5 under the drive of vibroshock, simulate the motion on suspension spring top in the actual car body; The displacement that stay-supported displacement transducer 18 is measured unsprung mass in the motion process, the displacement that stay-supported displacement transducer 19 is measured sprung mass, acceleration transducer 9 is measured the acceleration of sprung mass, and acceleration transducer 15 is measured the acceleration of unsprung mass.
When carrying out pseudo, need to install and intend power limited block 4, amount to 4, be used for locked body quality.And the accumulation signal of this moment need carry out iteration as this displacement output constantly to system's dress attitude in a last moment by computer system.
The signal input computer system of each sensor, computer system can be carried out real-time graphic presentation to the data of gathering, when magnetorheological half active shock of test, also can be according to the control law of setting, in real time according to the sampled data output current signal, control the coil magnetic field of magnetorheological vibroshock inside, change its performance.
Computer system can be controlled the start stand and make a series of mode of vibrations such as sine, square wave, triangular wave, random vibration.
Claims (1)
1. multifunctional test bed for simulating condition by one-quarter suspension of vehicle, it is characterized in that: it comprises T type bottom land seat (1), experiment table bracing frame (2) and start stand assembly (21), one side of T type bottom land seat (1) is installed experiment table bracing frame (2), and the opposite side of T type bottom land seat (1) is installed start stand assembly (21); Wherein:
1) experiment table bracing frame (2) is installed bracing frame front apron (3) from the inside to the outside successively near on the side of start stand assembly (21), vertical line slideway (5), counterweight backboard (6), the Weight plate that multi-disc is overlapped into (7), suspension front apron (8), connect connected clamping device (10) on the vibroshock on suspension front apron (8) top, joint group weldment (15) after suspension front apron (8) left and right sides, bottom connects swing arm down respectively, joint group weldment (16) before the following swing arm, connected clamping device on the vibroshock (10), joint group weldment (16) all can be about suspension front apron (8) before joint group weldment (15) and the following swing arm after the following swing arm, the left and right adjusting rigging position is also fixing;
2) start stand assembly (21) comprises inner sleeve (31), outer sleeve (38) and stand (39); Outer sleeve (38) bottom is servomotor (22) fixedly, servomotor (22) axle links to each other with ball-screw (29) by adapter sleeve (28), distinguish mounting plane bearing (25,26) up and down at outer sleeve (38) bottom surface dividing plate, first surface bearing (26) is gone up and is compressed with adapter sleeve (28), second surface bearing (25) used nut lock down, on the dividing plate of outer sleeve (38) bottom surface, first surface bearing (26) arranged outside buffer stopper (27); Inner sleeve (31) bottom is connected with an end of ball-screw (29), the other end of ball-screw (29) links to each other with cushion pad (36), limited block (30), pallet (33) is connected with inner sleeve (31) top with fixed pin (35), and with fixing sleeve (34) locking, pallet (33) is gone up installment work dish (32); Outer sleeve (38) middle part frame is on stand (39) end face, and inner sleeve (31) is installed in outer sleeve (38) inside, and rail plate (37) is installed in inner sleeve (31) side, and the slide block of rail plate (37) is installed in the outer sleeve side;
3) the top connector (40) in the suspension measurement coupling assembling passes the cantilever end of connected clamping device on the vibroshock (10), use cushion cover (42), lower sleeve (43) is clamped, and lock with total retainer nut (41), top connector (40) connects first force transducer connector (44), piston rod conversion head (46), second force transducer connector (47) from top to bottom successively, is connected with vibroshock (49) piston rod of measured suspension again; Push down block rubber (45), spring assembly (48) and the vibroshock (49) of measured suspension under the lower sleeve (43); The steering drag link of measured suspension (52) links to each other with steering drag link connector (13), the following swing arm (53) of measured suspension respectively with following swing arm after joint group weldment (15), down joint group weldment (16) links to each other before the swing arm;
4) first acceleration transducer (9) is arranged on the vibroshock on the connected clamping device (10), intend power limited block (4) side first stay-supported displacement transducer (19) is arranged, second stay-supported displacement transducer (18) arranged on the scratch diskette (32), the 3rd stay-supported displacement transducer (20) arranged on the outer sleeve (38), second acceleration transducer (14) arranged on brake flange and the counterweight (51), first force transducer connector (44) is gone up first force transducer (11) is installed, and second force transducer connector (47) gone up second force transducer (12) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101538805A CN101718632B (en) | 2009-11-16 | 2009-11-16 | Multifunctional test bed for simulating condition by one-quarter suspension of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101538805A CN101718632B (en) | 2009-11-16 | 2009-11-16 | Multifunctional test bed for simulating condition by one-quarter suspension of vehicle |
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| Publication Number | Publication Date |
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| CN101718632A CN101718632A (en) | 2010-06-02 |
| CN101718632B true CN101718632B (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101538805A Expired - Fee Related CN101718632B (en) | 2009-11-16 | 2009-11-16 | Multifunctional test bed for simulating condition by one-quarter suspension of vehicle |
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Families Citing this family (22)
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| CN106996879A (en) * | 2017-04-21 | 2017-08-01 | 燕山大学 | vehicle suspension performance testing device |
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| CN108387383B (en) * | 2018-04-02 | 2023-12-05 | 华南理工大学 | 1/4 automobile semi-active suspension test system |
| CN112611579B (en) * | 2020-12-31 | 2021-10-01 | 东风汽车集团有限公司 | Two-channel bench durability test method |
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2009
- 2009-11-16 CN CN2009101538805A patent/CN101718632B/en not_active Expired - Fee Related
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| CN101718632A (en) | 2010-06-02 |
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Inventor after: Wang Weirui Inventor after: Wu Can Inventor before: Wu Can Inventor before: Wang Weirui |
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Granted publication date: 20110413 Termination date: 20181116 |