CN205808734U - A kind of test-bed for Air Suspension for Commercial Vehicles system - Google Patents
A kind of test-bed for Air Suspension for Commercial Vehicles system Download PDFInfo
- Publication number
- CN205808734U CN205808734U CN201620552319.XU CN201620552319U CN205808734U CN 205808734 U CN205808734 U CN 205808734U CN 201620552319 U CN201620552319 U CN 201620552319U CN 205808734 U CN205808734 U CN 205808734U
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- overhang
- fixed support
- test
- air suspension
- vehicle bridge
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Abstract
This utility model provides a kind of for Air Suspension for Commercial Vehicles system test stand, and test-bed mainly includes the various fixed supports for fixing Air Suspension for Commercial Vehicles system, simulates vehicle bridge and for four servo hydraulic systems to Air Suspension for Commercial Vehicles system imposed load.Because propons is different with bridge air suspension system structure, so test-bed is divided into front overhang test-bed and rear overhang test-bed.At the trial, Air Suspension for Commercial Vehicles system applies vertically by four servo hydraulic systems, the load in laterally and longitudinally three directions, two of which servo hydraulic system provides vertical direction load, Air Suspension for Commercial Vehicles system vertically impacting during actual road is tried can be simulated, roll, brake and the operating mode stressing conditions such as brakeing during cornereing, for testing airsuspension system fatigue properties under various operating modes, provide reliable research technique for designing and developing of airsuspension system and verification experimental verification.
Description
Technical field
This utility model relates to automobile making detection technique field, belongs to the rigidity of commercial car Air Suspension for Commercial Vehicles system
Test and fatigue property test, the test-bed of a kind of automobile commercial car airsuspension system.
Background technology
Due to the compressibility of gas in air spring, not only make airsuspension system be readily available excellent non-linear just
Degree characteristic, and bodywork height can be regulated as required, so its application in vehicle is more and more extensive.Suspension system is
All power transmissions between the vehicle frame of automobile and vehicle bridge or wheel or the attachment means of moment, its fatigue behaviour is to vehicle security energy
Most important.
But, the most domestic also do not have ready-made test-bed, test method and standard to carry out tired to airsuspension system
The fatigue test method of the parts such as labor performance test, only air spring, stabiliser bar and distance rod and standard.Therefore, air hangs
The fatigue behaviour of frame system is typically detected by proving ground test.During proving ground test, certain portion in airsuspension system
Part occurs when early fracture lost efficacy, and general designer can only improve the fatigue properties of problem component, so according to road test result
Rear continuation proving ground test.The not only experimentation cost of this method is high, and the cycle is long, and is unfavorable for airsuspension system entirety fatigability
The improvement of energy.
Summary of the invention
For the problems referred to above, the utility model proposes a kind of test-bed for Air Suspension for Commercial Vehicles system, pass through
Controlling the load output in three directions vertical, horizontal and vertical, simulation Air Suspension for Commercial Vehicles system is during actual road is tried
Vertically impact, roll, brake and the operating mode stressing conditions such as brakeing during cornereing, detection three directions of Air Suspension for Commercial Vehicles system
Rigidity property and fatigue behaviour.
The technical solution adopted in the utility model is: a kind of test-bed for Air Suspension for Commercial Vehicles system, test
Stand is divided into propons airsuspension system test-bed 300 and bridge air suspension system test stand 500, it is characterised in that:
Propons airsuspension system 200 is inverted by propons airsuspension system test-bed 300, in propons airsuspension system 200
Front overhang air spring 201 be upside down on front overhang air spring fixed support 304, corresponding at front overhang air spring fixed support
The side of 304 is provided with front overhang upper thrust rod fixed support 302, and front overhang upper thrust rod fixed support 302 is provided with thrust under front overhang
Bar fixed support 301；Inverted front overhang air spring 201 is arranged above with inverted front overhang simulation vehicle bridge 303, front overhang simulation vehicle bridge
303 are fixed on front overhang lower thrust rod fixed support 301 by front overhang upper thrust rod 305；
Two ends in front overhang simulation vehicle bridge 303 are upwards provided with vertical load servo hydraulic system 1 and vertical load is watched
Taking hydraulic system 2 102, the middle part of front overhang simulation vehicle bridge 303 is longitudinally provided with longitudinal loading servo hydraulic system 103, from front overhang mould
The side intending vehicle bridge 303 one end is transversely provided with transverse load servo hydraulic system 104；
Bridge air suspension system 400 is inverted by bridge air suspension system test stand 500, bridge air suspension system
Four back axle air spring 401 correspondences in system 400 are arranged on rear overhang air spring fixed support 1 and rear overhang air spring
On fixed support 2 504, inverted bridge air suspension system 400 is arranged above with inverted rear overhang simulation vehicle bridge 503, rear overhang mould
Intend vehicle bridge 503 to be fixed on rear overhang distance rod fixed support 501 by rear overhang distance rod 404, wherein fixing of rear overhang distance rod
Frame 501 is arranged on rear overhang air spring fixed support 1；The rear overhang stabiliser bar fixed support of rear overhang simulation vehicle bridge 503
505 are fixed between rear overhang air spring fixed support 2 504；
Two ends in rear overhang simulation vehicle bridge 503 are upwards provided with vertical load servo hydraulic system 1 and vertical load is watched
Taking hydraulic system 2 102, the middle part of rear overhang simulation vehicle bridge 503 is longitudinally provided with longitudinal loading servo hydraulic system 103, from rear overhang mould
The side intending vehicle bridge 503 one end is transversely provided with transverse load servo hydraulic system 104.
A kind of test method for Air Suspension for Commercial Vehicles system test stand, it is characterised in that:
Described test method is divided into two kinds:
Method one: be applicable to the suspension system not having road examination loading spectrum signal: by vertical load servo hydraulic system 1
With vertical load servo hydraulic system 2 102, longitudinal loading servo hydraulic system 103, transverse load servo hydraulic system 104 3
Direction CYCLIC LOADING, loads interval 50,000 times, wherein vertical load load mode be maximum be 2.5 times of fully loaded load, minimum carry
The sinusoidal wave load of 0.5 times of fully loaded load of lotus, loading frequency 0.5HZ；
Longitudinally being loaded as maximum is 0.8 times of fully loaded load, and the sinusoidal wave load of 0.4 times of fully loaded load of minimum load adds
Carrier frequency rate 0.5HZ, ensures in process of the test that air bag pressure reduction amount is less than 0.02MP；
Laterally load mode be to wheel position loading in left and right simulation vehicle bridge, on the left of holding or right side wheels is in fully loaded
During load position, make right side or left side wheel be loaded into buffer stopper position, upper once load time, on the right side of holding or left side wheel
When being in fully loaded load position, making right side or left side wheel be loaded into buffer stopper position, the load ratio cycle on left and right wheels hands over
For change, loading frequency 0.5HZ；
Method two: be applicable to obtain the airsuspension system of road examination loading spectrum signal: in the reality of complete vehicle test field collection
Pumping signal carries out signal processing, it is thus achieved that the road examination stochastic signal spectrum of Air Suspension for Commercial Vehicles system, then utilizes control system
The stochastic signal spectrum obtained is carried out after-treatment, it is thus achieved that vertical load servo hydraulic system 1 and vertical load servo-fluid
Pressure system 2 102, longitudinal loading servo hydraulic system 103, transverse load servo hydraulic system 104 totally four servo hydraulic systems
Driving signal spectrum, carry out fatigue property test.
Beneficial effect:
This utility model is tested bench simulation vehicle bridge and for four to Air Suspension for Commercial Vehicles system imposed load
Servo hydraulic system and test method thereof.By controlling four servo hydraulic systems, output is vertical, three directions of vertical and horizontal
Load, the load working condition of Air Suspension for Commercial Vehicles system in simulated automotive driving process, carry out rigidity and the fatigue in three directions
Performance test, the structure for airsuspension system is improved and is provided reliable test data in time.
Accompanying drawing explanation
Fig. 1 is this utility model commercial car propons airsuspension system and test-bed assembly schematic diagram thereof.
Fig. 2 is this utility model commercial car bridge air suspension system and test-bed assembly schematic diagram thereof.
Fig. 3 is the structural representation that this utility model commercial car propons airsuspension system is normally placed.
Fig. 4 is the structural representation that this utility model commercial car bridge air suspension system is normally placed.
Fig. 5 is the schematic diagram after this utility model commercial car propons airsuspension system is inverted.
Fig. 6 is the schematic diagram after this utility model commercial car propons airsuspension system is inverted.
In figure
101-vertical load servo hydraulic system one, 102-vertical load servo hydraulic system two, 103-longitudinal loading is watched
Take hydraulic system, 104-transverse load servo hydraulic system；
200-propons airsuspension system, 201-front overhang air spring, 202-front overhang stabiliser bar, 203-front overhang distance rod；
300-propons airsuspension system test-bed, 301-front overhang lower thrust rod fixed support, 302-front overhang lifting force
Bar fixed support, 303-front overhang simulation vehicle bridge, 304-front overhang air spring fixed support, 305-front overhang stabiliser bar fixed support；
400-bridge air suspension system, 401-rear overhang air spring, 402-rear overhang C-type beam, 403-rear overhang stabiliser bar,
404-rear overhang distance rod；
500-bridge air suspension system test stand, 501-rear overhang distance rod fixed support, 502-rear overhang air spring
Fixed support one, 503-rear overhang simulation vehicle bridge, 504-rear overhang air spring fixed support two, fixing of 505-rear overhang stabiliser bar
Frame.
Detailed description of the invention
Below in conjunction with embodiment accompanying drawing 1-6, this utility model is described in further detail, but they be not intended that right
Restriction of the present utility model, simultaneously by explanation, can make designer more be aware and understand utility model.
Test-bed is divided into propons airsuspension system test-bed 300 and bridge air suspension system test stand 500.
Test-bed mainly includes for fixing commercial car air propons airsuspension system 200 and bridge air suspension system
The fixed support of system 400, simulation vehicle bridge and for servo hydraulic system to Air Suspension for Commercial Vehicles system imposed load.
Fixing commercial car propons airsuspension system 200 is mainly by front overhang air spring 201, front overhang stabiliser bar 202 and front
Outstanding distance rod 203 forms,
Propons airsuspension system test-bed 300 is main by front overhang lower thrust rod fixed support 301, front overhang upper thrust rod
Fixed support 302, front overhang simulation vehicle bridge 303, front overhang air spring fixed support 304 and front overhang stabiliser bar fixed support 305 groups
Become.
Bridge air suspension system 400 is main by rear overhang air spring 401, rear overhang C-type beam 402, rear overhang stabiliser bar 403 and
Rear overhang distance rod 404 forms.
Bridge air suspension system test stand 500 is main by rear overhang distance rod fixed support 501, rear overhang air spring one
Fixed support 502, rear overhang simulation vehicle bridge 503, rear overhang air spring two fixed support 504 and rear overhang stabiliser bar fixed support 505
Composition.
A kind of test-bed for Air Suspension for Commercial Vehicles system, test-bed is divided into propons airsuspension system to test
Stand 300 and bridge air suspension system test stand 500, by propons air in propons airsuspension system test-bed 300
Suspension system 200 is inverted, and the front overhang air spring 201 in propons airsuspension system 200 is upside down in front overhang air spring and fixes
On support 304, correspondence is provided with front overhang upper thrust rod fixed support 302, front overhang in the side of front overhang air spring fixed support 304
Upper thrust rod fixed support 302 is provided with front overhang lower thrust rod fixed support 301；Set above inverted front overhang air spring 201
Having inverted front overhang to simulate vehicle bridge 303, front overhang simulation vehicle bridge 303 is fixed on front overhang lower thrust rod by front overhang upper thrust rod 305
On fixed support 301；
Two ends in front overhang simulation vehicle bridge 303 are upwards provided with vertical load servo hydraulic system 1 and vertical load is watched
Taking hydraulic system 2 102, the middle part of front overhang simulation vehicle bridge 303 is longitudinally provided with longitudinal loading servo hydraulic system 103, from front overhang mould
The side intending vehicle bridge 303 one end is transversely provided with transverse load servo hydraulic system 104；
Bridge air suspension system 400 is inverted by bridge air suspension system test stand 500, bridge air suspension system
Four back axle air spring 401 correspondences in system 400 are arranged on rear overhang air spring fixed support 1 and rear overhang air spring
On fixed support 2 504, inverted bridge air suspension system 400 is arranged above with inverted rear overhang simulation vehicle bridge 503, rear overhang mould
Intend vehicle bridge 503 to be fixed on rear overhang distance rod fixed support 501 by rear overhang distance rod 404, wherein fixing of rear overhang distance rod
Frame 501 is arranged on rear overhang air spring fixed support 1；The rear overhang stabiliser bar fixed support of rear overhang simulation vehicle bridge 503
505 are fixed between rear overhang air spring fixed support 2 504；
Two ends in rear overhang simulation vehicle bridge 503 are upwards provided with vertical load servo hydraulic system 1 and vertical load is watched
Taking hydraulic system 2 102, the middle part of rear overhang simulation vehicle bridge 503 is longitudinally provided with longitudinal loading servo hydraulic system 103, from rear overhang mould
The side intending vehicle bridge 503 one end is transversely provided with transverse load servo hydraulic system 104.
A kind of test method for Air Suspension for Commercial Vehicles system test stand,
Described test method is divided into two kinds:
Method one: be applicable to the suspension system not having road examination loading spectrum signal: by vertical load servo hydraulic system 1
With vertical load servo hydraulic system 2 102, longitudinal loading servo hydraulic system 103, transverse load servo hydraulic system 104 3
Direction CYCLIC LOADING, loads interval 50,000 times,
Wherein vertical load load mode be maximum be 2.5 times of fully loaded load, 0.5 times of fully loaded load of minimum load is just
String wave load, loading frequency 0.5HZ；
Longitudinally being loaded as maximum is 0.8 times of fully loaded load, and the sinusoidal wave load of 0.4 times of fully loaded load of minimum load adds
Carrier frequency rate 0.5HZ, ensures in process of the test that air bag pressure reduction amount is less than 0.02MP；
Laterally load mode be to wheel position loading in left and right simulation vehicle bridge, on the left of holding or right side wheels is in fully loaded
During load position, make right side or left side wheel be loaded into buffer stopper position, upper once load time, on the right side of holding or left side wheel
When being in fully loaded load position, making right side or left side wheel be loaded into buffer stopper position, the load ratio cycle on left and right wheels hands over
For change, loading frequency 0.5HZ；
Method two: be applicable to obtain the airsuspension system of road examination loading spectrum signal: in the reality of complete vehicle test field collection
Pumping signal carries out signal processing, it is thus achieved that the road examination stochastic signal spectrum of Air Suspension for Commercial Vehicles system, then utilizes control system
The stochastic signal spectrum obtained is carried out after-treatment, it is thus achieved that vertical load servo hydraulic system 1 and vertical load servo-fluid
Pressure system 2 102, longitudinal loading servo hydraulic system 103, transverse load servo hydraulic system 104 totally four servo hydraulic systems
Driving signal spectrum, carry out fatigue property test.
Require and actual entrucking state according to design, after Air Suspension for Commercial Vehicles system being inverted, be fixed on simulation vehicle bridge
With on suspension system fixed support；Then according to the requirement of load outbound course, by servo hydraulic system respectively with simulation vehicle bridge
Setting position connect.
Described front overhang simulation vehicle bridge 303 and rear overhang simulation vehicle bridge 503 are used for connecting propons airsuspension system 200 and back axle
Airsuspension system 400 and servo hydraulic system, and the load on servo hydraulic system is passed to suspension system.Therefore, front
With the position space coordinates of the connection of servo hydraulic system in outstanding simulation vehicle bridge 303 and rear overhang simulation vehicle bridge 503, it is according to vehicle
In actual moving process, the coordinate parameters of wheel and ground contact surface converts.
Described suspension system be used for fixing in Air Suspension for Commercial Vehicles system be connected with vehicle frame air spring, stabiliser bar,
The structural members such as distance rod and rear overhang C-type beam 402, connected mode is consistent with air suspension connected mode on car load, it is ensured that outstanding
The stationary state of frame system and actual entrucking state consistency.
Described servo hydraulic system has vertical servo hydraulic system 1 and vertical servo hydraulic system 2 102 to provide perpendicular
To load, a longitudinal Hydrauservo System 103 provides longitudinal loading, and a transverse hydraulic servosystem 104 provides laterally load
Lotus.
Claims (1)
1., for a test-bed for Air Suspension for Commercial Vehicles system, test-bed is divided into propons airsuspension system testing stand
Frame (300) and bridge air suspension system test stand (500), by propons in propons airsuspension system test-bed (300)
Airsuspension system (200) is inverted, and the front overhang air spring (201) in propons airsuspension system (200) is upside down in front unsettled
On air spring fixed support (304), it is solid that correspondence is provided with front overhang upper thrust rod in the side of front overhang air spring fixed support (304)
Fixed rack (302), front overhang upper thrust rod fixed support (302) is provided with front overhang lower thrust rod fixed support (301)；Before inverted
Unsettled air spring (201) is arranged above with inverted front overhang simulation vehicle bridge (303), and front overhang simulation vehicle bridge (303) pushes away by front overhang
Power bar (305) is fixed in front overhang lower thrust rod fixed support (301)；
Two ends in front overhang simulation vehicle bridge (303) are upwards provided with vertical load servo hydraulic system one (101) and vertical load is watched
Taking hydraulic system two (102), the middle part of front overhang simulation vehicle bridge (303) is longitudinally provided with longitudinal loading servo hydraulic system (103), from
The side of front overhang simulation vehicle bridge (303) one end is transversely provided with transverse load servo hydraulic system (104)；
Bridge air suspension system (400) is inverted by bridge air suspension system test stand (500), bridge air suspension system
Four back axle air spring (401) correspondences in system (400) are arranged on rear overhang air spring fixed support one (502) and rear unsettled
On air spring fixed support two (504), inverted bridge air suspension system (400) is arranged above with inverted rear overhang simulation vehicle bridge
(503), rear overhang simulation vehicle bridge (503) is fixed on rear overhang distance rod fixed support (501) by rear overhang distance rod (404), its
Middle rear overhang distance rod fixed support (501) is arranged on rear overhang air spring fixed support one (502)；Rear overhang simulation vehicle bridge
(503) rear overhang stabiliser bar fixed support (505) is fixed between rear overhang air spring fixed support two (504)；
Two ends on rear overhang simulation vehicle bridge (503) are upwards provided with vertical load servo hydraulic system one (101) and vertical load is watched
Taking hydraulic system two (102), the middle part of rear overhang simulation vehicle bridge (503) is longitudinally provided with longitudinal loading servo hydraulic system (103), from
The side of rear overhang simulation vehicle bridge (503) one end is transversely provided with transverse load servo hydraulic system (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552319.XU CN205808734U (en) | 2016-06-08 | 2016-06-08 | A kind of test-bed for Air Suspension for Commercial Vehicles system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552319.XU CN205808734U (en) | 2016-06-08 | 2016-06-08 | A kind of test-bed for Air Suspension for Commercial Vehicles system |
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| Publication Number | Publication Date |
|---|---|
| CN205808734U true CN205808734U (en) | 2016-12-14 |
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| CN201620552319.XU Withdrawn - After Issue CN205808734U (en) | 2016-06-08 | 2016-06-08 | A kind of test-bed for Air Suspension for Commercial Vehicles system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865812A (en) * | 2016-06-08 | 2016-08-17 | 东风汽车悬架弹簧有限公司 | Test bed for commercial vehicle air suspension system and test method thereof |
| CN106885665A (en) * | 2017-04-11 | 2017-06-23 | 西华大学 | A kind of Leaf Spring Suspension System multi-function test stand |
| CN107782569A (en) * | 2017-11-03 | 2018-03-09 | 山东雷帕得汽车技术股份有限公司 | A kind of passage suspension universal test platform of three axle six |
| CN109540554A (en) * | 2019-01-04 | 2019-03-29 | 安路普（北京）汽车技术有限公司 | A kind of Air Suspension for Commercial Vehicles System Functional Test rack and system |
| CN110296853A (en) * | 2019-05-17 | 2019-10-01 | 重庆长安汽车股份有限公司 | A kind of automobile suspension system fatigue test board |
| 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 |
| CN109540554B (en) * | 2019-01-04 | 2024-06-07 | 安路普（北京）汽车技术有限公司 | Commercial car air suspension system function test rack and system |
-
2016
- 2016-06-08 CN CN201620552319.XU patent/CN205808734U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865812A (en) * | 2016-06-08 | 2016-08-17 | 东风汽车悬架弹簧有限公司 | Test bed for commercial vehicle air suspension system and test method thereof |
| CN105865812B (en) * | 2016-06-08 | 2018-01-05 | 东风汽车悬架弹簧有限公司 | A kind of test-bed and its test method for Air Suspension for Commercial Vehicles system |
| CN106885665A (en) * | 2017-04-11 | 2017-06-23 | 西华大学 | A kind of Leaf Spring Suspension System multi-function test stand |
| CN106885665B (en) * | 2017-04-11 | 2023-04-07 | 西华大学 | Comprehensive test bed for leaf spring suspension system |
| CN107782569A (en) * | 2017-11-03 | 2018-03-09 | 山东雷帕得汽车技术股份有限公司 | A kind of passage suspension universal test platform of three axle six |
| 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 |
| CN109540554A (en) * | 2019-01-04 | 2019-03-29 | 安路普（北京）汽车技术有限公司 | A kind of Air Suspension for Commercial Vehicles System Functional Test rack and system |
| CN109540554B (en) * | 2019-01-04 | 2024-06-07 | 安路普（北京）汽车技术有限公司 | Commercial car air suspension system function test rack and system |
| CN110296853A (en) * | 2019-05-17 | 2019-10-01 | 重庆长安汽车股份有限公司 | A kind of automobile suspension system fatigue test board |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161214 Effective date of abandoning: 20180105 |