CN104048823A - Rigidity-variable virtual vehicle body clamp suspension test bed - Google Patents

Rigidity-variable virtual vehicle body clamp suspension test bed Download PDF

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Publication number
CN104048823A
CN104048823A CN201410324952.9A CN201410324952A CN104048823A CN 104048823 A CN104048823 A CN 104048823A CN 201410324952 A CN201410324952 A CN 201410324952A CN 104048823 A CN104048823 A CN 104048823A
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China
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suspension
rigidity
virtual vehicle
virtual
vehicle
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CN201410324952.9A
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Chinese (zh)
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CN104048823B (en
Inventor
冯金芝
郑松林
高大威
侯盛昱
刘洋
方晶
徐骏
于佳伟
邓鑫
梁鹏
杨涛
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN201410324952.9A priority Critical patent/CN104048823B/en
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Publication of CN104048823B publication Critical patent/CN104048823B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a rigidity-variable virtual vehicle body clamp suspension test bed. A sliding guiding column and a shock excitation platform are installed at the two ends of a T-shaped groove bottom plate, a suspension and a wheel assembly are arranged on the shock excitation platform and connected with a virtual vehicle body assembly, and the virtual vehicle body assembly is installed on the sliding guiding column through a sliding bearing block. The lower end of a rigidity-variable virtual vehicle body is fixedly connected with the suspension and the wheel assembly, the side face of the rigidity-variable virtual vehicle body is connected with a U-shaped groove angle adjusting frame in an angle-adjustable mode, and a spring is connected between the U-shaped groove angle adjusting frame and a spring pressing plate. The vibration of a road surface is simulated through the output of the vibration excitation platform, the suspension deforms, the virtual vehicle body deforms, and meanwhile the virtual vehicle body floats up and down along the sliding guiding column. The rigidity-variable virtual vehicle body clamp suspension test bed can meet the requirement for the simulated condition tests of a MacPhersan type suspension system and other independent suspensions, and can meet the requirements for the actual work condition test and the pseudo-dynamic work condition test by being used in cooperation with different loading systems. The rigidity-variable virtual vehicle body clamp suspension test bed is suitable for the earlier stage of the development test of the suspension system. The matched test of the suspension and the vehicle body and the matched test of a shock absorber and the spring can be achieved after the rigidity of the vehicle body is determined.

Description

Become the virtual automobile body clamp suspension of rigidity testing table
Technical field
The present invention relates to a kind of automobile 1/4th suspension testing tables, especially a kind of suspension testing table of considering body stiffness and sprung mass motion.
Background technology
In order to improve product development speed, realize parts Chang Yu main engine plants and synchronously develop, need to effectively improve parts is test level.Existing suspension testing table focuses mostly in suspension system closed test, at design aspect, body movement and the impact of body stiffness on suspension property in real train test process have been ignored, how suspension tie point and testing table base plate are rigidly fixed, truth in this and suspension use procedure is not inconsistent, thereby causes the error of suspension test.In order to solve this contradiction, but need to design the suspension testing table of the stressing conditions in the use procedure of a kind of real simulation suspension, this testing table clamp is considered the motion of body stiffness and sprung mass.
Summary of the invention
The object of the invention is to the defect for existing suspension testing table, a kind of virtual automobile body clamp suspension of the change rigidity testing table that can simulate body stiffness and sprung mass motion conditions is provided, this testing table clamp has in flexibility and process of the test and can float, so that proving ground test is more reasonably simulated in suspension bench test.
The present invention solves the problems of the technologies described above adopted technical scheme: the virtual automobile body clamp suspension of a kind of change rigidity testing table, comprise T-shaped trough floor, slide-and-guide post, sliding bearing and plain bearing housing, virtual body component, suspension and vehicle wheel component, actuating vibration table, be characterized in: slide-and-guide post and actuating vibration table are installed on the two ends of T-shaped trough floor, and between slide-and-guide post and actuating vibration table and T-shaped trough floor, adjustable distance is connected, suspension and vehicle wheel component are placed on actuating vibration table, and be connected with virtual body component, virtual body component is installed on slide-and-guide post by sliding bearing and plain bearing housing, virtual body component comprises connection back up pad, spring bearer plate, spring, U-shaped angle of the v-groove adjustment rack, become the virtual vehicle body of rigidity, control arm web member, becoming the virtual vehicle body of rigidity lower end is fixedly connected with suspension and vehicle wheel component, side is connected with U-shaped angle of the v-groove adjustment rack angle adjustable, linking springs between U-shaped angle of the v-groove adjustment rack and spring bearer plate, spring bearer plate rear end face be connected the adjustable connection in back up pad vertical position, connecting back up pad is fixedly connected with sliding bearing and plain bearing housing, connect back up pad lower end side vertical position adjustable connection control arm web member, control arm web member is connected with suspension and vehicle wheel component.
Connect back up pad side upper and lower end and be respectively equipped with the vertical T-shaped groove for regulating spring pressing plate and control arm web member vertical position.Connect back up pad lower end and connect balancing weight by bolt and nut.
The beneficial effect that the present invention has is:
The present invention gathers multi-function in integral whole.By the body stiffness of simulation different stage, make the suspension bench test proving ground test result of more fitting.Apply the performance test that suspension testing table of the present invention is applicable to carry out the independent suspensions such as Multi-link suspension system, McPherson strut system; Coordinate different loading systems, the testing table of applying this fixture can meet actual condition test and intend power regime test.This testing table is applicable to suspension system early development test.After determining body stiffness, can realize the match test of suspension and vehicle body match test and vibroshock and spring.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile 1/4th suspension testing tables of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, the virtual automobile body clamp suspension of a kind of change rigidity testing table, comprises T-shaped trough floor 1, slide-and-guide post 2, sliding bearing and plain bearing housing 3, virtual body component, suspension and vehicle wheel component 9, actuating vibration table 11.
1) slide-and-guide post 2 and actuating vibration table 11 are installed on to the two ends of T-shaped trough floor 1, with T-shaped bolt, fix, by changing the distance of 11 of slide-and-guide post 2 and actuating vibration tables, adjust the installation dimension of suspension and vehicle wheel component 9.Suspension and vehicle wheel component 9 are placed on actuating vibration table 11, and are connected with virtual body component, virtual body component is installed on slide-and-guide post 2 by sliding bearing and plain bearing housing 3.
2) virtual body component comprises connection back up pad 4, spring bearer plate 5, spring 6, U-shaped angle of the v-groove adjustment rack 7, becomes the virtual vehicle body 8 of rigidity, control arm web member 10 and balancing weight.Change rigidity virtual vehicle body 8 lower ends and suspension and vehicle wheel component 9 are fixing, side is connected with U-shaped angle of the v-groove adjustment rack 7 by screw-nut, adjusts the setting angle of suspension and vehicle wheel component 9 by the setting angle between the change virtual vehicle body 8 of rigidity and U-shaped angle of the v-groove adjustment rack 7;
3) linking springs 6 between spring bearer plate 5 and U-shaped angle of the v-groove adjustment rack 7.Spring bearer plate 5 rear end faces be connected the back up pad 4 adjustable connections in vertical position, connecting back up pad 4 is fixedly connected with sliding bearing and plain bearing housing 3, connect back up pad 4 lower end side vertical position adjustable connection control arm web members 10, control arm web member 10 is connected with suspension and vehicle wheel component 9.
4) connect back up pad 4 side upper and lower ends and be provided with vertical T-shaped groove, by changing the vertical position of control arm web member 10 and the vertical position of spring bearer plate 5, adjust the installation site of suspension and vehicle wheel component 9.
5) connect back up pad 4 lower ends and be provided with bolt nut structure for balancing weight is installed, by the balancing weight of different quality is installed, realize the simulation to different vehicle bodies with the rigidity that changes the virtual vehicle body 8 of change rigidity.
In the process of test, by the vibration of actuating vibration table output simulated roadway, suspension is subject to excitation and deforms, and excitation is passed to virtual vehicle body simultaneously, and virtual vehicle body deforms, and virtual body component fluctuates along slide-and-guide post simultaneously.Gather the weighting acceleration signal of virtual body component and the displacement signal of the change virtual vehicle body 8 of rigidity and actuating vibration table 11.

Claims (3)

1. one kind becomes the virtual automobile body clamp suspension of rigidity testing table, comprise T-shaped trough floor (1), slide-and-guide post (2), sliding bearing and plain bearing housing (3), virtual body component, suspension and vehicle wheel component (9), actuating vibration table (11), its characteristic is: described slide-and-guide post (2) and actuating vibration table (11) are installed on the two ends of T-shaped trough floor (1), and between slide-and-guide post (2) and actuating vibration table (11) and T-shaped trough floor (1), adjustable distance is connected, suspension and vehicle wheel component (9) are placed on actuating vibration table (11), and be connected with virtual body component, virtual body component is installed on slide-and-guide post (2) by sliding bearing and plain bearing housing (3), virtual body component comprises connection back up pad (4), spring bearer plate (5), spring (6), U-shaped angle of the v-groove adjustment rack (7), become the virtual vehicle body of rigidity (8), control arm web member (10), becoming the virtual vehicle body of rigidity (8) lower end is fixedly connected with suspension and vehicle wheel component (9), side is connected with U-shaped angle of the v-groove adjustment rack (7) angle adjustable, linking springs (6) between U-shaped angle of the v-groove adjustment rack (7) and spring bearer plate (5), spring bearer plate (5) rear end face be connected the adjustable connection in back up pad (4) vertical position, connecting back up pad (4) is fixedly connected with sliding bearing and plain bearing housing (3), connect back up pad (4) lower end side vertical position adjustable connection control arm web member (10), control arm web member (10) is connected with suspension and vehicle wheel component (9).
2. the virtual automobile body clamp suspension of change rigidity according to claim 1 testing table, is characterized in that: described connection back up pad (4) side upper and lower end is respectively equipped with the vertical T-shaped groove for regulating spring pressing plate (5) and control arm web member (10) vertical position.
3. the virtual automobile body clamp suspension of change rigidity according to claim 1 testing table, is characterized in that: described connection back up pad (4) lower end connects balancing weight by bolt and nut.
CN201410324952.9A 2014-07-09 2014-07-09 Variation rigidity virtual automobile body clamp suspension testing stand Expired - Fee Related CN104048823B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410324952.9A CN104048823B (en) 2014-07-09 2014-07-09 Variation rigidity virtual automobile body clamp suspension testing stand

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Application Number Priority Date Filing Date Title
CN201410324952.9A CN104048823B (en) 2014-07-09 2014-07-09 Variation rigidity virtual automobile body clamp suspension testing stand

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CN104048823B CN104048823B (en) 2016-08-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105806633A (en) * 2016-05-13 2016-07-27 北京理工大学 Road simulation testbed for wheel
CN108181100A (en) * 2017-12-30 2018-06-19 北华大学 Simulate the electric vehicle hydraulic buffer reliability test of actual condition loading
CN110472328A (en) * 2019-08-12 2019-11-19 厦门理工学院 A kind of McPherson suspension rigidity determines method
CN110873650A (en) * 2018-08-30 2020-03-10 上汽通用汽车有限公司 Vehicle body rigidity simulation system for suspension test

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105806633A (en) * 2016-05-13 2016-07-27 北京理工大学 Road simulation testbed for wheel
CN108181100A (en) * 2017-12-30 2018-06-19 北华大学 Simulate the electric vehicle hydraulic buffer reliability test of actual condition loading
CN108181100B (en) * 2017-12-30 2019-09-06 北华大学 Simulate the electric vehicle hydraulic buffer reliability test of actual condition load
CN110873650A (en) * 2018-08-30 2020-03-10 上汽通用汽车有限公司 Vehicle body rigidity simulation system for suspension test
CN110873650B (en) * 2018-08-30 2021-11-16 上汽通用汽车有限公司 Vehicle body rigidity simulation system for suspension test
CN110472328A (en) * 2019-08-12 2019-11-19 厦门理工学院 A kind of McPherson suspension rigidity determines method

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