CN105865813B - A kind of test tool and its test method for Leaf Spring Suspension System - Google Patents
A kind of test tool and its test method for Leaf Spring Suspension System Download PDFInfo
- Publication number
- CN105865813B CN105865813B CN201610401914.8A CN201610401914A CN105865813B CN 105865813 B CN105865813 B CN 105865813B CN 201610401914 A CN201610401914 A CN 201610401914A CN 105865813 B CN105865813 B CN 105865813B
- Authority
- CN
- China
- Prior art keywords
- leaf spring
- suspension system
- fixed support
- spring suspension
- test
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a kind of test tool and its test method for Leaf Spring Suspension System, test tool mainly includes the iron floor for fixation steel plate spring suspension system, gantry frame, various supports and four servo hydraulic systems for applying load to Leaf Spring Suspension System.At the trial, four servo hydraulic systems apply the load in perpendicular, horizontal and vertical three directions to Leaf Spring Suspension System, and two of which servo-fluid system provides vertical direction load.The test tool of the Leaf Spring Suspension System of the present invention, road test signal driving spectrum can be inputted by control system, four servo hydraulic systems are controlled to apply load to Leaf Spring Suspension System, simulate stressing conditions of the Leaf Spring Suspension System during actual road test, so that test data has good referential, for the fatigue properties of test part, exploitation and verification experimental verification for part provide reliable research technique.
Description
Technical field
The present invention relates to Vehicle Leaf-spring Suspension system detectio technical field, especially a kind of Vehicle Leaf-spring Suspension
System test stand, it is adapted to the rigidity test and fatigue property test of commercial car Leaf Spring Suspension System.
Background technology
Leaf Spring Suspension System is most widely used suspension system in commercial car suspension system, assume responsibility for carrying, leads
To with many functions such as damping, it is most important to the technical performance and security performance of vehicle.
But at present only to the fatigue test method and standard of the parts such as leaf spring, stabiliser bar and distance rod, for
The suspension system of the parts such as leaf spring, stabiliser bar and distance rod composition, also without the ready-made test method referred to and mark
It is accurate.On the other hand, the fatigue behaviour of suspension system is typically detected by proving ground test, go out however, working as some part in suspension system
During existing early fracture failure, in general designer does not reach the improving countermeasure of directiveness according to road test result yet.This method
Not only experimentation cost is high, cycle length, and is unfavorable for the follow-up of the parts such as suspension system light plate spring, stabiliser bar and distance rod
Improve work.
The content of the invention
In view of the above-mentioned problems, the present invention proposes a kind of testing stand for Leaf Spring Suspension System, controlled by software
System, the load output of the servo hydraulic cylinder in three directions is controlled, simulated automotive road test operating mode, detects Leaf Spring Suspension System
Vertical, lateral and laterally three directions rigidity property and fatigue behaviour.
The technical solution adopted by the present invention is：A kind of test tool for Leaf Spring Suspension System, the experiment work
Dress includes gantry frame, and gantry frame is erected on bottom plate, and the bottom plate under gantry frame is provided with fixed support one and fixed branch
Frame two, fixed support one and fixed support two are separately correspondingly arranged, and fixed support one is two split type fixed supports, fixed
Support two is the fixed support of a monoblock type, and transverse strands are provided with Leaf Spring Suspension between fixed support one and fixed support two
System, it is characterised in that：Leaf Spring Suspension System is upside down on fixed support one and fixed support two, and wherein leaf spring hangs
Two leaf spring heads of frame system one end are erected on two split type fixed supports one, and two leaf spring heads of the other end are erected at admittedly
On fixed rack two；
Inverted simulation vehicle bridge is provided with inverted Leaf Spring Suspension System again, is corresponded in inverted simulation vehicle bridge solid
Distance rod and stabiliser bar are additionally provided with fixed rack two；
Three horizontal, longitudinal, the vertical axles of inverted simulation vehicle bridge are respectively equipped with servo hydraulic system, servo hydraulic system
It is connected according to load outbound course with inverted simulation vehicle bridge setting position；Wherein servo hydraulic system transverse direction, longitudinal direction lead to respectively
The fixed support three, four being fixed on bottom plate is crossed to be fixedly connected；Servo hydraulic system is vertically then fixed under gantry frame, corresponding
The both ends of simulation vehicle bridge are set respectively.
A kind of test method for Leaf Spring Suspension System, it is characterised in that：The test method has two kinds：
Method one：Suitable for the suspension system of no road test load spectrum signal：According to the design of Leaf Spring Suspension System
Load determines vertical force, cross force and longitudinal force theoretical value, then by control system, exports corresponding servo hydraulic system letter
Number, carry out rigidity and fatigue property test；
Method two：Suspension system suitable for obtaining road test load spectrum signal, according to the reality gathered in complete vehicle test field
Pumping signal carries out signal transacting, obtains the road test random signal spectrum of Leaf Spring Suspension System, then utilizes control system pair
The random signal spectrum of acquisition carries out after-treatment, obtains the drive signal spectrum of servo hydraulic system, carries out rigidity and fatigue behaviour
Test.
Beneficial effect：
The present invention uses inverted Leaf Spring Suspension System and inverted simulation vehicle bridge, suitable for the experiment in laboratory,
Real data can be obtained by simulating actual condition simultaneously, thus problem can not be dispatched from the factory in laboratory and can just sent out in time
Now and handle, ensure the outgoing and user security of product.
By controlling servo hydraulic system, horizontal, longitudinal, vertical three axles of inverted simulation vehicle bridge are respectively equipped with servo-fluid
Pressure system makes its three direction load, and simulated automotive travels the load working condition of process light plate spring suspension system, carries out three
The rigidity and fatigue property test in direction, provide reliable test data in time for the quality improvement design of suspension system general name.
Brief description of the drawings
Fig. 1 is the schematic perspective view of Leaf Spring Suspension System of the present invention.
Fig. 2 is Leaf Spring Suspension System test tool assembly diagram of the present invention.
Fig. 3 is Fig. 1 schematic front view.
Fig. 4 is Fig. 1 left view schematic diagram.
The right side that Fig. 5 is Fig. 1 regards schematic diagram.
Fig. 6 is Fig. 1 schematic top plan view.
Fig. 7 is Fig. 1 schematic rear view.
Fig. 8 is Fig. 2 schematic front view.
Fig. 9 is Fig. 2 left view schematic diagram.
The right side that Figure 10 is Fig. 2 regards schematic diagram.
Figure 11 is Fig. 2 schematic top plan view.
Figure 12 is Fig. 2 schematic rear view.
It is entitled corresponding to reference wherein in accompanying drawing：
1 is simulation vehicle bridge, and 2 be Leaf Spring Suspension System, and 3 be bottom plate, and 41 be fixed support two, and 42 be fixed support
One, 5 be distance rod, and 6 be stabiliser bar, and 7 be gantry frame, and 8 be fixed support four, and 9 be servo-fluid system, and 10 be fixed support
Three.
Embodiment
The present invention is described in further detail with reference to embodiment accompanying drawing, but they are not formed to the present invention's
Limit, while by explanation, invention can be more aware and understood.
A kind of test tool for Leaf Spring Suspension System, the test tool include gantry frame 7, gantry frame
Frame 7 is erected on bottom plate 3, and the bottom plate 3 under gantry frame 7 is provided with fixed support 1 and fixed support 2 41, fixed support
1 and 2 41 points of fixed support open and be correspondingly arranged, fixed support 1 is two split type fixed supports, fixed support two
41 be the fixed support of a monoblock type, and transverse strands are provided with Leaf Spring Suspension between fixed support 1 and fixed support 2 41
System 2, Leaf Spring Suspension System 2 are upside down on fixed support 1 and fixed support 2 41, wherein Leaf Spring Suspension system
The two leaf spring heads of 2 one end of uniting are erected on two split type fixed supports 1, and two leaf spring heads of the other end are erected at solid
On fixed rack 2 41；
Inverted simulation vehicle bridge 1 is provided with inverted Leaf Spring Suspension System 2 again, corresponding inverted simulation vehicle bridge 1 exists
Distance rod 5 and stabiliser bar 6 are additionally provided with fixed support 2 41；
Three horizontal, longitudinal, the vertical axles of inverted simulation vehicle bridge 1 are respectively equipped with servo hydraulic system 9, servo-hydraulic system
System 9 is connected according to load outbound course with the setting position of inverted simulation vehicle bridge 1；Wherein servo hydraulic system 9 is horizontal, longitudinal
It is fixedly connected respectively by the fixed support three, 4 10,8 being fixed on bottom plate；Servo-hydraulic system/9 are vertically then fixed on gantry
Under framework 7, the both ends of corresponding inverted simulation vehicle bridge 1 are set respectively.
Servo hydraulic system 9 is stored by servo-cylinder body, displacement transducer, radial force snesor, servo valve, diaphragm type
Can device and high-pressure hose composition；One end is connected with support or gantry frame, and the other end is connected with Leaf Spring Suspension System；According to
The drive signal of control system completes the load specified and displacement output.
A kind of test method for Leaf Spring Suspension System, the test method have two kinds：
Method one：Suitable for the suspension system of no road test load spectrum signal：Determined according to the design load of suspension system
Vertical force, cross force and longitudinal force theoretical value, then by control system, corresponding servo hydraulic system signal is exported, carried out
Rigidity and fatigue property test；
Method two：Suspension system suitable for obtaining road test load spectrum signal：According to the reality gathered in complete vehicle test field
Pumping signal carries out signal transacting, obtains the road test random signal spectrum of Leaf Spring Suspension System, then utilizes control system pair
The random signal spectrum of acquisition carries out after-treatment, obtains the drive signal spectrum of servo hydraulic system, carries out rigidity and fatigue behaviour
Test.
Claims (1)
1. a kind of test tool for Leaf Spring Suspension System, the test tool includes gantry frame（7）, gantry frame
（7）It is erected at bottom plate（3）On, gantry frame（7）Under bottom plate（3）It is provided with fixed support one（42）With fixed support two
（41）, fixed support one（42）With fixed support two（41）Separately it is correspondingly arranged, fixed support one（42）It is split type for two
Fixed support, fixed support two（41）For the fixed support of a monoblock type, fixed support one（42）With fixed support two（41）
Between transverse strands be provided with Leaf Spring Suspension System（2）, it is characterised in that：Leaf Spring Suspension System（2）It is upside down in fixed branch
Frame one（42）With fixed support two（41）On, wherein inverted Leaf Spring Suspension System（2）Two leaf spring heads of one end are set up
In two split type fixed supports one（42）On, two leaf spring heads of the other end are erected at fixed support two（41）On；
Inverted Leaf Spring Suspension System（2）On be provided with inverted simulation vehicle bridge again（1）, corresponding inverted simulation vehicle bridge（1）
In fixed support two（41）On be additionally provided with distance rod（5）And stabiliser bar（6）；
Inverted simulation vehicle bridge（1）Horizontal, longitudinal, vertical three axles be respectively equipped with servo hydraulic system（9）, servo hydraulic system
（9）According to load outbound course and inverted simulation vehicle bridge（1）Setting position connection；Wherein servo hydraulic system（9）Laterally,
Longitudinal fixed support three, four by being fixed on bottom plate respectively（10、8）It is fixedly connected；Servo hydraulic system（9）It is vertical then solid
It is scheduled on gantry frame（7）Under, it is corresponding in inverted simulation vehicle bridge（1）Both ends set respectively；
Its test method has two kinds：
Method one：Suitable for the suspension system of no road test load spectrum signal：According to the design load of Leaf Spring Suspension System
The theoretical value of vertical force, cross force and longitudinal force is determined, then by control system, exports corresponding servo hydraulic system letter
Number, carry out rigidity and fatigue property test；
Method two：Suspension system suitable for obtaining road test load spectrum signal：According to the actual excitation gathered in complete vehicle test field
Signal carries out signal transacting, the road test random signal spectrum of Leaf Spring Suspension System is obtained, then using control system to obtaining
Random signal spectrum carry out after-treatment, obtain the drive signal spectrum of servo hydraulic system, carry out rigidity and fatigue property test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401914.8A CN105865813B (en) | 2016-06-08 | 2016-06-08 | A kind of test tool and its test method for Leaf Spring Suspension System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401914.8A CN105865813B (en) | 2016-06-08 | 2016-06-08 | A kind of test tool and its test method for Leaf Spring Suspension System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105865813A CN105865813A (en) | 2016-08-17 |
| CN105865813B true CN105865813B (en) | 2018-03-30 |
Family
ID=56677107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610401914.8A Active CN105865813B (en) | 2016-06-08 | 2016-06-08 | A kind of test tool and its test method for Leaf Spring Suspension System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105865813B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289746B (en) * | 2016-08-22 | 2018-09-25 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring composite force Bench test methods |
| CN107328587A (en) * | 2017-06-29 | 2017-11-07 | 方盛车桥（苏州）有限公司 | A kind of suspension system fatigue tester |
| CN107314896A (en) * | 2017-08-03 | 2017-11-03 | 石家庄铁道大学 | For vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment and its application |
| CN107588935B (en) * | 2017-08-22 | 2020-04-03 | 重庆红旗弹簧有限公司 | Leaf spring fatigue test system |
| CN107782569B (en) * | 2017-11-03 | 2019-12-24 | 山东雷帕得汽车技术股份有限公司 | Universal test platform for three-axis six-channel suspension |
| CN108318256B (en) * | 2017-12-22 | 2020-05-19 | 安徽伟宏钢结构集团股份有限公司 | Axle C word roof beam test device |
| CN109765062B (en) * | 2019-01-21 | 2020-10-09 | 石家庄铁道大学 | Test bed for testing dynamic performance of vehicle suspension plate spring |
| CN111638071B (en) * | 2020-06-12 | 2022-09-20 | 东风汽车股份有限公司 | Durability test bench for non-independent suspension |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5487301A (en) * | 1992-02-05 | 1996-01-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung | Test rig and process for testing motor vehicle assemblies, in particular independent wheel suspension |
| CN104006979A (en) * | 2014-05-30 | 2014-08-27 | 长春轨道客车股份有限公司 | Bogie hanging system parameter testing device and method |
| CN204202864U (en) * | 2014-11-12 | 2015-03-11 | 广州汽车集团股份有限公司 | Swing arm class part durability degree test-bed |
| CN104655410A (en) * | 2014-11-20 | 2015-05-27 | 江苏九龙汽车制造有限公司 | Multifunctional testing table for simulating actual working conditions |
| CN205785850U (en) * | 2016-06-08 | 2016-12-07 | 东风汽车悬架弹簧有限公司 | A kind of test tool for Leaf Spring Suspension System |
-
2016
- 2016-06-08 CN CN201610401914.8A patent/CN105865813B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5487301A (en) * | 1992-02-05 | 1996-01-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung | Test rig and process for testing motor vehicle assemblies, in particular independent wheel suspension |
| CN104006979A (en) * | 2014-05-30 | 2014-08-27 | 长春轨道客车股份有限公司 | Bogie hanging system parameter testing device and method |
| CN204202864U (en) * | 2014-11-12 | 2015-03-11 | 广州汽车集团股份有限公司 | Swing arm class part durability degree test-bed |
| CN104655410A (en) * | 2014-11-20 | 2015-05-27 | 江苏九龙汽车制造有限公司 | Multifunctional testing table for simulating actual working conditions |
| CN205785850U (en) * | 2016-06-08 | 2016-12-07 | 东风汽车悬架弹簧有限公司 | A kind of test tool for Leaf Spring Suspension System |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105865813A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105865813B (en) | A kind of test tool and its test method for Leaf Spring Suspension System | |
| CN205785850U (en) | A kind of test tool for Leaf Spring Suspension System | |
| CN107314896A (en) | For vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment and its application | |
| CN205808734U (en) | A kind of test-bed for Air Suspension for Commercial Vehicles system | |
| CN107478415A (en) | A kind of test tool for the loading of the direction of leaf spring three | |
| CN105865812B (en) | A kind of test-bed and its test method for Air Suspension for Commercial Vehicles system | |
| CN104535335B (en) | A kind of Multi-axial Loading axle assembly long duration test stand | |
| CN201017488Y (en) | Electric-controlled air spring experimental device of sedan car | |
| CN107764560A (en) | A kind of fuel tank hanger assembly Multi-axial Loading test-bed and endurance test method | |
| CN201311359Y (en) | Vehicle torsion beam tester | |
| CN205981630U (en) | Car rubber bush load pressure detection device | |
| CN105092231B (en) | Dynamic.Drive universal test stand | |
| CN104483112B (en) | The fatigue test method and its frock of a kind of rubber bushing | |
| CN204359539U (en) | A kind of Multi-axial Loading axle assembly long duration test stand | |
| CN103308327A (en) | In-loop real-time simulation test system for suspension component | |
| CN110059404A (en) | A kind of weld fatigue calculation method | |
| CN202639788U (en) | Multifunctional automatic pressing and sleeving machine | |
| CN105466698A (en) | Method and device for endurance test of auxiliary frame assembly | |
| CN104091002A (en) | Establishment method and device for automobile body connector model | |
| CN108195604A (en) | A kind of front swing arm rack endurance test tool | |
| CN105388029A (en) | Overload vehicle oil-gas spring test device | |
| CN107328587A (en) | A kind of suspension system fatigue tester | |
| CN107091752B (en) | Cargo vehicle V-shaped reaction rod bench test system | |
| CN106326502A (en) | Computation method for static rigidity of support | |
| CN108573115A (en) | Rear overhang rack vibration analysis method, system, mobile terminal and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Yinxia Inventor after: Wang Haiqing Inventor after: Song Zhigang Inventor after: Shi Chaoyang Inventor after: Chen Weifeng Inventor after: Yi Jianwu Inventor after: Jiang Lujun Inventor after: Pan Xueyu Inventor before: Wang Haiqing Inventor before: Song Zhigang Inventor before: Yi Jianwu Inventor before: Jiang Lujun Inventor before: Pan Xueyu |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191224 Address after: 442000 No. 2, Guangdong Road, Shiyan, Hubei Patentee after: Dongfeng Automobile Chassis System Co., Ltd. Address before: 442000 Shiyan province Hubei City Ling Zhangwan District Road No. 15 Patentee before: Dongfeng Vehicle Suspension Spring Co., Ltd. |
|
| TR01 | Transfer of patent right |