CN107884212A - A kind of suspension fatigue testing equipment for road analogy test - Google Patents
A kind of suspension fatigue testing equipment for road analogy test Download PDFInfo
- Publication number
- CN107884212A CN107884212A CN201711209283.0A CN201711209283A CN107884212A CN 107884212 A CN107884212 A CN 107884212A CN 201711209283 A CN201711209283 A CN 201711209283A CN 107884212 A CN107884212 A CN 107884212A
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- Prior art keywords
- suspension
- counter force
- force wall
- adjustable
- fixed
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/04—Suspension or damping
Abstract
The invention provides a kind of suspension fatigue testing equipment for road analogy test, including adjustment positioner, suspension fixing device and the suspension experimental rig for suspension testing fatigue；Counter force wall group includes two adjustable counter force walls being arranged side by side and the fixation counter force wall being correspondingly arranged with this two counter force wall；The side that suspension fixture correspondingly fixes counter force wall is provided with cantilever, and the side of corresponding adjustable counter force wall is provided with two legs, the corresponding adjustable counter force wall of each leg；Cantilever is arranged on fixed counter force wall by adjustable above and below first slide structure, and leg is arranged on adjustable counter force wall by adjustable above and below second slide structure.The suspension fixing device of the invention can carry out the adjustment in height in very long range, meanwhile, two adjustable counter force wall spacing can be adjusted as needed, each composition structure designs for assembled structure, and mounting and adjusting is convenient and swift, time saving, laborsaving, it is versatile, use easy to spread.
Description
Technical field
The invention belongs to road vehicle simulation test technology field, and being used for road analogy more particularly, to one kind tests
Suspension fatigue testing equipment.
Background technology
Vehicle level, system-level and parts level three can be divided into automobile product road analogy durability test development process
Class testing, the road analogy measuring technology of China's automobile product, generally concentrate at present among the test of vehicle level as four-way is whole
Track road simulation test couples the test of vehicle road analogy with 20 four-way axles.And in automobile product V-shaped development process,
The test for taking the lead in carrying out vehicle rank is unpractical, generally requires to complete several parts levels and system level testing in advance.
The test of suspension road analogy is i.e. as the extremely important of system level testing in the test of automobile product endurance quality
One ring.After the suspension in developing automobile product and other vehicle chassis component exemplars, it is that car body is white that it, which is constrained with hold assembly,
Often not yet sizing can not provide exemplar to vehicle body, so as to be difficult to enable suspension subsystem as an entirety as travelled in road
Normally being worked on road therefore need to such as carrying out Road Simulation Test needs to carry out the design of suspension clamping fixture to it.
In the prior art, the defects of design of suspension fixture mainly has following technological difficulties and is difficult to overcome is such as
Under：(1) it is adapted to the fixation hard spot of different automobile types and suspension form；(2) road analogy driving file iterative development and durable test
Period fixture counter-force stiffness of support need to be sufficiently large, and resonant frequency is being controlled outside 0-50Hz frequency bands, prevents exciting from can produce
Fixture resonance causes hydraulic system unstability can not complete to test；(3) suspension fixture hard spot junction rigidity should as far as possible with vehicle body
Rigidity is close at the tie point of side；(4) fatigue behaviour need to meet the requirement of long period road analogy endurance quality test；(5) suspension
Fixture should have enough adjustable extents on vertical height direction, correct to realize to simulate sprung mass under different vehicle prestowage
Suspension pre-load compression stroke.
The content of the invention
In view of this, the invention is intended to overcome defect present in above-mentioned prior art, proposes that one kind is used for road
The suspension fatigue testing equipment of simulation test.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of suspension fatigue testing equipment for road analogy test, including adjustment positioner, suspension fixing device
With the suspension experimental rig for suspension testing fatigue；
The adjustment positioner includes being used for the counter force wall group for positioning suspension fixing device on pedestal and pedestal；It is described
Counter force wall group includes two adjustable counter force walls being arranged side by side and the fixation counter force wall being correspondingly arranged with this two counter force wall；
The suspension fixing device includes suspension fixture, and the side that the suspension fixture correspondingly fixes counter force wall is provided with cantilever,
The side of corresponding adjustable counter force wall is provided with two legs, the corresponding adjustable counter force wall of each leg；The cantilever is slided by first
Adjustable above and below holder structure to be arranged on fixed counter force wall, the leg is arranged on by adjustable above and below second slide structure
On adjustable counter force wall.
Further, the suspension experimental rig include simulated wheel component that corresponding suspension fixing device both sides set, with
And the exciting device assembly tested for driving moment simulated assembly.
Further, the suspension experimental rig is arranged on the pedestal by the way that fixed seat is adjustable.
Further, it is equipped with lightening hole on the adjustable counter force wall and fixed counter force wall.
Further, the first slide structure includes connecting plate, and the cantilever is fastened on the connecting plate side, connection
Plate different from be connected with the side of cantilever be provided with number row T-nuts；The fixed counter force wall be provided with it is T-shaped on connecting plate
The T-slot of nut matching.
Further, the second slide includes rebound, and the leg is arranged on the rebound by screw, rebound
At least two row's T-nuts are installed different from being connected with the side of leg；The adjustable counter force wall be provided with it is T-shaped on rebound
The T-slot of nut matching.
Further, the cantilever include with connecting plate fix bottom plate and bottom plate on symmetrically arranged two fixed arms,
The fixed arm is fixed with suspension fixture respectively.
Further, the leg includes the support arm set on installing plate and installing plate, the support arm and suspension clamp
Tool is fixed.
Relative to prior art, the invention has the advantage that：
The invention is reasonable in design, and suspension fixing device height can carry out the tune in height in very long range
It is whole, meanwhile, two adjustable counter force wall spacing can be adjusted as needed, be fixed conveniently after adjustable counter force wall adjustment, ensured work
Make reliable and stable.Each composition structure designs for assembled structure, and mounting and adjusting is convenient and swift, time saving, laborsaving, versatile, easily
In promoting the use of.
Brief description of the drawings
The accompanying drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not form the improper restriction to the invention.
In accompanying drawing：
Fig. 1 is the structural representation of the invention；
Fig. 2 is second slide structure and the structural representation of adjustable counter force wall junction in the invention；
Fig. 3 is the structural representation of adjustable counter force wall in the invention；
Fig. 4 is the middle suspension fixture schematic diagram that the invention is provided with cantilever and leg.
Description of reference numerals：
1- pedestals；2- is adjustable counter force wall；3- fixes counter force wall；4- adjusts base；5- fixing screws；6- suspension fixtures；7-
Cantilever；8- legs；9- first slide structures；10- second slide structures；11- simulated wheel components；12- exciting device assemblies；13-
Fixed seat；14- lightening holes；15- attachment screws；16-T type nuts；17-T type grooves；18- rebounds；19- bottom plates；20- fixed arms；
21- installing plates；22- support arms；23- hangers.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of suspension fatigue testing equipment for road analogy test, as shown in Figures 1 to 4, including adjustment positioner,
Suspension fixing device and the suspension experimental rig for suspension testing fatigue；
The adjustment positioner includes being used for the counter force wall group for positioning suspension fixing device on pedestal 1 and pedestal 1；Institute
Stating counter force wall group includes two adjustable counter force walls 2 being disposed side by side on pedestal and consolidates with what this two counter force wall was correspondingly arranged
Determine counter force wall 3；It is pointed out that adjustable counter force wall bottom is provided with the adjustment base 4 that adjustment position can be slided on pedestal, tool
Body, the fixing screws 5 that is additionally provided with and can be fixed with pedestal on base are adjusted, when the adjustment good position of adjustable counter force wall adaptability
Afterwards, during adjustment base can be fixed by fixing screws on pedestal, it also ensure that the stabilization of adjustable counter-force wall construction.
Fixed counter force wall is for adjustable counter force wall, and for fixed counter force wall itself, it can also be provided with energy
The adjustment base of adjustment position on pedestal, generally, it is fixed on pedestal by screw by base is adjusted, adjustment base lower end
Also T-nut is provided with accordingly, the T-slot slided for T-nut is provided with pedestal, to facilitate the adjustment for realizing adjustment base
Operation.In the fixed corresponding suspension fixture according to different size vehicle suspension, two adjustable counter force walls are typically adjusted
Relative position between relative position and two adjustable counter force walls and fixed counter force wall, it is typically fixed anti-without directly adjustment
Power wall.Do not go to adjust fixed counter force wall as far as possible, also for the suspension experimental rig for avoiding fixing counter force wall side corresponding to its
Interfere.
Because fixed counter force wall is identical with adjustable counter-force wall construction, therefore, accompanying drawing 3 can also represent to fix counter force wall, this
In repeat no more.
In particular, single fixed counter force wall is provided with the side, itself and adjustable counter force wall collective effect, really
Guarantor can adapt to different size suspension fixture, and while energy firm fixed suspension fixture, also set experimental rig to stay for the side
Enough spaces have been descended, have avoided the possibility interfered between structural member to greatest extent, have also reduced equipment entirety space-consuming, just
In transport and installation and debugging.
The suspension fixing device includes suspension fixture 6, and the side of the corresponding fixed counter force wall of the suspension fixture 6 is provided with cantilever
7, the side of corresponding adjustable counter force wall is provided with two legs 8, the corresponding adjustable counter force wall of each leg；The cantilever passes through first
Slide carriage structure is adjustable about 9 to be arranged on fixed counter force wall, the leg by second slide structure about 10 it is adjustable
On adjustable counter force wall.
This equipment mounting and adjusting is convenient and swift, time saving and energy saving；Suspension fixture rigidity is big, and intrinsic frequency is high, goes for
Constant amplitude load spectrum, multistage constant amplitude load spectrum, random load spectrum fatigue test and the road analogy loading spectrum of automotive suspension exemplar
The Multitests such as fatigue test.Versatility is good, is easy to promote and use in any one automotive suspension inspection center, can use extensively
Tested in the automotive suspension fatigue test of different forms and suspension property curve.
Above-mentioned suspension experimental rig includes the simulated wheel component 11 of corresponding suspension fixing device both sides setting and is used for
The exciting device assembly 12 that driving moment simulated assembly is tested.
Above-mentioned suspension experimental rig is arranged on the pedestal 1 by the way that fixed seat 13 is adjustable.Fixed seat, which is provided with, to be connected
Fitting, fixed seat can adjust installation site on pedestal, and be fixed on by connector on pedestal, it is ensured that be tested in this equipment
In operation process, good stability is kept.
Lightening hole 14 is equipped with above-mentioned adjustable counter force wall and fixed counter force wall.While structural strength is ensured, effectively
Reduce the use of material, and alleviate weight of equipment.
Above-mentioned first slide structure 9 includes connecting plate, and the cantilever is fastened on the connecting plate side, connecting plate different from
It is connected with the side of cantilever and number row's T-nut is installed；The fixed counter force wall is provided with and the T-nut on connecting plate
The T-slot matched somebody with somebody.
As shown in Fig. 2 above-mentioned second slide includes rebound 18, the leg is arranged on the transition by attachment screw 15
On plate 18, rebound is provided with least two row's T-nuts 16 different from being connected with the side of leg；Set on the adjustable counter force wall
There is the T-slot 17 matched with T-nut on rebound.It is pointed out that first slide structure and fixed counter force wall are direct
Attachment structure is similar with Fig. 2 structures and principle, will not be repeated here.
Above-mentioned cantilever includes and symmetrically arranged two fixed arms 20, institute on the bottom plate 19 and bottom plate of connecting plate fixation
Fixed arm is stated to fix with suspension fixture 6 respectively.
Above-mentioned leg includes the support arm 22 set on installing plate 21 and installing plate, the support arm and suspension fixture 6
It is fixed.In addition, symmetrical on suspension fixture be provided with hanger 23, convenient lifting suspension fixture, convenient for assembly and dismounting.
The invention is reasonable in design, and suspension fixing device height can carry out the tune in height in very long range
It is whole, meanwhile, two adjustable counter force wall spacing can be adjusted as needed, be fixed conveniently after adjustable counter force wall adjustment, ensured work
Make reliable and stable.Each composition structure designs for assembled structure, and assembling, adjustment and dismounting are all very convenient, can adapt to not
With suspension fixture, and then the suspension test for being adapted to different size needs, applied widely.
The preferred embodiment of the invention is the foregoing is only, is not intended to limit the invention creation, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc., the invention should be included in
Protection domain within.
Claims (8)
- A kind of 1. suspension fatigue testing equipment for road analogy test, it is characterised in that：Including adjustment positioner, suspension Fixing device and the suspension experimental rig for suspension testing fatigue；The adjustment positioner includes being used for the counter force wall group for positioning suspension fixing device on pedestal and pedestal；The counter-force Wall group includes two adjustable counter force walls being arranged side by side and the fixation counter force wall being correspondingly arranged with this two counter force wall；The suspension fixing device includes suspension fixture, and the side that the suspension fixture correspondingly fixes counter force wall is provided with cantilever, corresponding The side of adjustable counter force wall is provided with two legs, the corresponding adjustable counter force wall of each leg；The cantilever passes through first slide knot Adjustable above and below structure to be arranged on fixed counter force wall, the leg is by adjustable installed in adjustable above and below second slide structure On counter force wall.
- A kind of 2. suspension fatigue testing equipment for road analogy test according to claim 1, it is characterised in that：Institute Stating suspension experimental rig includes the simulated wheel component of corresponding suspension fixing device both sides setting and is simulated for driving moment The exciting device assembly that component is tested.
- A kind of 3. suspension fatigue testing equipment for road analogy test according to claim 1, it is characterised in that：Institute Suspension experimental rig is stated to be arranged on the pedestal by the way that fixed seat is adjustable.
- A kind of 4. suspension fatigue testing equipment for road analogy test according to claim 1, it is characterised in that：Institute State and be equipped with lightening hole on adjustable counter force wall and fixed counter force wall.
- A kind of 5. suspension fatigue testing equipment for road analogy test according to claim 1, it is characterised in that：Institute Stating first slide structure includes connecting plate, and the cantilever is fastened on the connecting plate side, and connecting plate is different from being connected with cantilever Side on be provided with number row T-nuts；The fixed counter force wall is provided with the T-slot matched with the T-nut on connecting plate.
- A kind of 6. suspension fatigue testing equipment for road analogy test according to claim 1, it is characterised in that：Institute Stating second slide includes rebound, and the leg is arranged on the rebound by screw, and rebound is different from being connected with leg At least two row's T-nuts are installed on side；The adjustable counter force wall is provided with the T-slot matched with T-nut on rebound.
- A kind of 7. suspension fatigue testing equipment for road analogy test according to claim 1, it is characterised in that：Institute State cantilever include with connecting plate fix bottom plate and bottom plate on symmetrically arranged two fixed arms, the fixed arm respectively with Suspension fixture is fixed.
- A kind of 8. suspension fatigue testing equipment for road analogy test according to claim 1, it is characterised in that：Institute The support arm that leg includes setting on installing plate and installing plate is stated, the support arm is fixed with suspension fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711209283.0A CN107884212A (en) | 2017-11-27 | 2017-11-27 | A kind of suspension fatigue testing equipment for road analogy test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711209283.0A CN107884212A (en) | 2017-11-27 | 2017-11-27 | A kind of suspension fatigue testing equipment for road analogy test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107884212A true CN107884212A (en) | 2018-04-06 |
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ID=61775517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711209283.0A Pending CN107884212A (en) | 2017-11-27 | 2017-11-27 | A kind of suspension fatigue testing equipment for road analogy test |
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| Country | Link |
|---|---|
| CN (1) | CN107884212A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931382A (en) * | 2018-06-01 | 2018-12-04 | 湖南湖大艾盛汽车技术开发有限公司 | A kind of fatigue durability testing device and method of multi link rear overhang axle case assy |
| CN116929689A (en) * | 2023-09-18 | 2023-10-24 | 扬州东升汽车零部件股份有限公司 | Fatigue testing device for cab suspension system |
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| CN103954459A (en) * | 2014-04-29 | 2014-07-30 | 天津博信汽车零部件有限公司 | Automotive suspension test bed |
| CN105415999A (en) * | 2015-12-29 | 2016-03-23 | 郑州宇通客车股份有限公司 | Method for measuring dynamic parameters of automobile air suspension |
| CN106017951A (en) * | 2016-05-10 | 2016-10-12 | 中国北方车辆研究所 | Integrated simulated hydro-pneumatic suspension testing system with road load and environmental stress integration |
| CN207689147U (en) * | 2017-11-27 | 2018-08-03 | 中汽研（常州）汽车工程研究院有限公司 | A kind of suspension fatigue testing equipment for road analogy test |
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2017
- 2017-11-27 CN CN201711209283.0A patent/CN107884212A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954459A (en) * | 2014-04-29 | 2014-07-30 | 天津博信汽车零部件有限公司 | Automotive suspension test bed |
| CN105415999A (en) * | 2015-12-29 | 2016-03-23 | 郑州宇通客车股份有限公司 | Method for measuring dynamic parameters of automobile air suspension |
| CN106017951A (en) * | 2016-05-10 | 2016-10-12 | 中国北方车辆研究所 | Integrated simulated hydro-pneumatic suspension testing system with road load and environmental stress integration |
| CN207689147U (en) * | 2017-11-27 | 2018-08-03 | 中汽研（常州）汽车工程研究院有限公司 | A kind of suspension fatigue testing equipment for road analogy test |
Non-Patent Citations (1)
| Title |
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| 战楠;高鹏飞;张兵;: "基于台架试验的轿车后扭梁悬架疲劳仿真研究", 现代制造工程, no. 11, pages 30 - 33 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931382A (en) * | 2018-06-01 | 2018-12-04 | 湖南湖大艾盛汽车技术开发有限公司 | A kind of fatigue durability testing device and method of multi link rear overhang axle case assy |
| CN116929689A (en) * | 2023-09-18 | 2023-10-24 | 扬州东升汽车零部件股份有限公司 | Fatigue testing device for cab suspension system |
| CN116929689B (en) * | 2023-09-18 | 2023-12-05 | 扬州东升汽车零部件股份有限公司 | Fatigue testing device for cab suspension system |
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