CN104897409A - Vehicle transmission and wheel side hanging system loading test machine capable of simulating all road conditions - Google Patents
Vehicle transmission and wheel side hanging system loading test machine capable of simulating all road conditions Download PDFInfo
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- CN104897409A CN104897409A CN201410720216.5A CN201410720216A CN104897409A CN 104897409 A CN104897409 A CN 104897409A CN 201410720216 A CN201410720216 A CN 201410720216A CN 104897409 A CN104897409 A CN 104897409A
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Abstract
The invention discloses a vehicle transmission and wheel side hanging system loading test machine capable of simulating all road conditions and all weather conditions, which relates to the field of vehicle tests. A test platform is internally provided with an engine, a gearbox and a transfer box transmission system. A spherical surface seat is connected with the test platform via a spherical surface, the spherical surface seat is connected with an oil cylinder piston rod at the upper part of the test platform as a whole, and the oil cylinder barrel is connected with an oil cylinder fixing seat as a whole. A coupler of each wheel side hanging device is connected with a tire and a power transmission end inside the test platform respectively, the lower part of each tire is provided with a wheel side lifting device assembly, and a hydraulic system is connected with the oil cylinder of each wheel side lifting device assembly via a pipeline. A general controller is connected with the oil cylinders, the couplers, and each displacement sensor inside the corresponding wheel side lifting device assembly, the hydraulic system and a damping controller. All round conditions when the vehicle drives can be simulated in real time, quantitative and variable tests can be carried out on the vehicle in a test load simulation condition, the actual road test time is greatly shortened, the novel vehicle research speed is quickened, and the development cost is reduced.
Description
Technical field
The present invention relates to automobile and special vehicle experimental technique field, under the environment of specifically a kind of vehicle simulation all-terrain baby, the loading experimental apparatus of wheel side suspension device of unifying for vehicle transmission system.
Background technology
At present, Car design completes, and after carrying out three-dimensional model emulation, need manufacture and test sample car, and the experiment of sample car, except except every technical data of laboratory experiment new car, also will carry out the real road test under all-terrain baby environment.Under normal circumstances, the real road experiment of vehicle carries out in skid pad.So just must build roadway experiment place, construction cost is quite large.Therefore, in laboratory, the experiment of simulating under all-terrain baby environment is carried out to vehicle and become inexorable trend.
Summary of the invention
For overcoming the deficiencies in the prior art, goal of the invention of the present invention is to provide a kind of simulation all-terrain baby system of vehicle transmission and wheel side suspension system loads experimental machine, significantly to reduce test driving time and the R&D cycle of vehicle.
For achieving the above object, engine, wheel box, transfer case kinematic train are installed in experiment porch of the present invention, spheric seating is connected by sphere with experiment porch, and the piston rod of spheric seating and experiment porch top oil cylinder combines as a whole, and cylinder barrel and the oil cylinder fixing base of oil cylinder combine as a whole; The shaft coupling of wheel side suspension device connects the power delivery end of tire and experiment porch inside respectively, and tire bottom is provided with wheel limit jacking gear assembly, and the oil cylinder that hydraulic system takes turns limit jacking gear assembly by pipeline with each and oil cylinder are connected; The master control device of experimental machine is connected with oil cylinder, shaft coupling, each each displacement transducer, hydraulic system and damping controller of taking turns in the jacking gear assembly of limit.
Described two roller ends of taking turns the driven roll of limit jacking gear assembly are provided with bearing, bearing is arranged in the bore of bearing seat one and bearing seat two, bearing seat one and bearing seat two are fixed on lifter plate, the inner ring of damping controller is connected with the roller end of driven roll by flat key, and the outer ring of damping controller is bolted on the end face of bearing seat two; The piston rod of lift cylinder is connected with lifter plate, and lift cylinder is fixed on lifting pedestal, and lifter plate is connected with lifting pedestal by guide pillar, and displacement transducer is arranged between lifter plate and lifting pedestal; Lifter plate, under the effect of lift cylinder, by the guiding of guide pillar, realizes moving up and down.
Described master control device comprises PLC or industrial computer, experimental data library module, safety control module, Secure execution device and experiment content control module; Master control device is by the action of routine processes experiment content control module, monitor each displacement transducer, in-oil cylinder pressure sensing data, the temperature of monitoring shaft coupling, real-time experimental data is kept in experimental data library module, real-time calling, analysis design mothod data, draw response curve, print experimental result.
Described hydraulic system comprises Hydraulic system control module and hydraulic pressure execution device; Wheel limit jacking gear assembly comprises wheel limit position module and displacement transducer; Shaft coupling is with temperature sensor and wheel limit shaft coupling thermal module; The oil circuit of oil cylinder is with pressure transducer and load cylinder line pressure module; Damping controller comprises damping control module and damping control apparatus.
The present invention can simulate all-terrain baby (dirt road, snowfield, desert, upward slope, descending etc.) environment, below the experiment porch on similar vehicles chassis, install wheel side suspension device, be provided with two driven rolls below each tire, driven roll and tire can rise with the flexible of its lower lift cylinder and decline.Each takes turns the interaction relation of side suspension device lifting and the size of loading, is set by program by master control device according to different road conditions.
The present invention compared with prior art, can the various road conditions that travel of real time modelling vehicle, the loading condition of simulated experiment, can quantitatively, variable tests; Road can be eliminated and try artificial disturbing factor, quick and precisely make experimental result; Both can the design and manufaction performance of fast verification vehicle, can predict and improve again the content and measures of road examination experiment, substantially reduce the time of actual road examination, accelerate the research and development speed of new vehicle, reduce cost of development.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present invention.
Fig. 2 is the structure diagram of the wheel limit jacking gear assembly of Fig. 1.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is electrical control block scheme of the present invention.
Embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the chassis of experiment porch 1 similar vehicles, the kinematic trains such as engine, wheel box, transfer case (Fig. 1 omits and do not show) are installed in experiment porch 1, spheric seating 2 is connected by sphere with experiment porch 1, spheric seating 2 combines as a whole with the piston rod of experiment porch 1 top oil cylinder 4, cylinder barrel and the oil cylinder fixing base 3 of oil cylinder 4 combine as a whole, and the oil circuit of oil cylinder 4 is with pressure transducer; The shaft coupling 5 of wheel side suspension device connects the power delivery end of tire 6 and experiment porch 1 inside respectively, tire 6 bottom is provided with wheel limit jacking gear assembly 7, experimentally technical requirement, an experiment porch 1 can take turns side suspension device with multiple, one wheel limit jacking gear assembly 7 is all arranged at each side suspension device bottom of taking turns, and hydraulic system 8 is connected with oil cylinder 4 and each oil cylinder of taking turns limit jacking gear assembly 7 by pipeline; The master control device 12 of experimental machine is connected with oil cylinder 4, shaft coupling 5, each each displacement transducer, hydraulic system 8 and damping controller 20 of taking turns in limit jacking gear assembly 7.The reliable software program of the tight logical relation included by the present invention and operation control system, really can realize the increasingly automated and intelligent of experimental machine.Actual different road conditions conditions can be simulated, in the short period of time, test the kinematic train under different road conditions condition and reliability and the lifetime data of taking turns side suspension device.
Two roller ends of the driven roll 14 of wheel limit jacking gear assembly 7 are provided with bearing 22, bearing 22 is arranged in the bore of bearing seat 1 and bearing seat 2 21, bearing seat 1 and bearing seat 2 21 are fixed on lifter plate 16, the inner ring of damping controller 20 is connected by the roller end of flat key with driven roll 14, and the outer ring of damping controller 20 is bolted on the end face of bearing seat 2 21; The piston rod of lift cylinder 18 is connected with lifter plate 16, and lift cylinder 18 is fixed on lifting pedestal 19, and lifter plate 16 is connected with lifting pedestal 19 by guide pillar 17, and displacement transducer 13 is arranged between lifter plate 16 and lifting pedestal 19; Lifter plate 16, under the effect of lift cylinder 18, by the guiding of guide pillar 17, realizes moving up and down.
Master control device 12 comprises PLC or industrial computer, experimental data library module, safety control module, Secure execution device and experiment content control module; Master control device 12 is by the action of routine processes experiment content control module, monitor the pressure sensing data in each displacement transducer 13, oil cylinder 4, the temperature of monitoring shaft coupling 5, real-time experimental data is kept in experimental data library module, real-time calling, analysis design mothod data, draw response curve, print experimental result.
Hydraulic system 8 comprises Hydraulic system control module and hydraulic pressure execution device; Wheel limit jacking gear assembly 7 comprises wheel limit position module and displacement transducer 13; Shaft coupling 5 is with temperature sensor and wheel limit shaft coupling thermal module; The oil circuit of oil cylinder 4 is with pressure transducer and load cylinder line pressure module; Damping controller 20 comprises damping control module and damping control apparatus.
The sequence of movement of loading experiment machine of the present invention is as follows:
(1) kinematic train of Installation and Debugging requirement of experiment and wheel side suspension device;
(2) kinematic train and the hydraulic system 8 of experimental machine is opened;
(3) experimentally content, the loading load of setting experimental machine, pressurizes to the oil cylinder 4 on top, detects oil circuit pressure by the pressure transducer on oil circuit;
(4) road conditions of experimental machine are set, master control device 12 controls multiplely to take turns limit jacking gear assembly 7 coordination, control the different damping of multiple damping controller 20, the road conditions condition that simulation is actual, experiment porch 1 under each takes turns the coordination of limit jacking gear assembly 7, around the pivot of spheric seating 2;
(5) in the process of experiment, the different road conditions of experiment can be changed at any time, the reliability of test kinematic train and wheel side suspension device and lifetime data.
Claims (4)
1. a simulation all-terrain baby system of vehicle transmission and wheel side suspension system loads experimental machine, it is characterized in that: engine, wheel box, transfer case kinematic train are installed in experiment porch (1), spheric seating (2) is connected by sphere with experiment porch (1), spheric seating (2) combines as a whole with the piston rod on experiment porch (1) top oil cylinder (4), and cylinder barrel and the oil cylinder fixing base (3) of oil cylinder (4) combine as a whole; The shaft coupling (5) of wheel side suspension device connects the power delivery end of tire (6) and experiment porch (1) inside respectively, tire (6) bottom is provided with wheel limit jacking gear assembly (7), and the oil cylinder that hydraulic system (8) takes turns limit jacking gear assembly (7) by pipeline with each and oil cylinder (4) are connected; The master control device (12) of experimental machine is connected with oil cylinder (4), shaft coupling (5), each each displacement transducer, hydraulic system (8) and damping controller (20) of taking turns in limit jacking gear assembly (7).
2. simulation all-terrain baby system of vehicle transmission according to claim 1 and wheel side suspension system loads experimental machine, it is characterized in that: described two roller ends of taking turns the driven roll (14) on limit jacking gear assembly (7) are provided with bearing (22), bearing (22) is arranged in the bore of bearing seat one (15) and bearing seat two (21), bearing seat one (15) and bearing seat two (21) are fixed on lifter plate (16), the inner ring of damping controller (20) is connected by the roller end of flat key with driven roll (14), the outer ring of damping controller (20) is bolted on the end face of bearing seat two (21), the piston rod of lift cylinder (18) is connected with lifter plate (16), lift cylinder (18) is fixed on lifting pedestal (19), lifter plate (16) is connected with lifting pedestal (19) by guide pillar (17), and displacement transducer (13) is arranged between lifter plate (16) and lifting pedestal (19), lifter plate (16), under the effect of lift cylinder (18), by the guiding of guide pillar (17), realizes moving up and down.
3. simulation all-terrain baby system of vehicle transmission according to claim 1 and wheel side suspension system loads experimental machine, is characterized in that: described master control device (12) comprises PLC or industrial computer, experimental data library module, safety control module, Secure execution device and experiment content control module; Master control device (12) is by the action of routine processes experiment content control module, monitor the pressure sensing data in each displacement transducer (13), oil cylinder (4), the temperature of monitoring shaft coupling (5), real-time experimental data is kept in experimental data library module, real-time calling, analysis design mothod data, draw response curve, print experimental result.
4. simulation all-terrain baby system of vehicle transmission according to claim 1 and wheel side suspension system loads experimental machine, is characterized in that: described hydraulic system (8) comprises Hydraulic system control module and hydraulic pressure execution device; Wheel limit jacking gear assembly (7) comprises wheel limit position module and displacement transducer (13); Shaft coupling (5) is with temperature sensor and wheel limit shaft coupling thermal module; The oil circuit of oil cylinder (4) is with pressure transducer and load cylinder line pressure module; Damping controller (20) comprises damping control module and damping control apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410720216.5A CN104897409A (en) | 2014-12-03 | 2014-12-03 | Vehicle transmission and wheel side hanging system loading test machine capable of simulating all road conditions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410720216.5A CN104897409A (en) | 2014-12-03 | 2014-12-03 | Vehicle transmission and wheel side hanging system loading test machine capable of simulating all road conditions |
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| CN104897409A true CN104897409A (en) | 2015-09-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU167373U1 (en) * | 2016-04-13 | 2017-01-10 | Федеральное государственное бюджетное образовательное учреждение высшего образования Новосибирский государственный аграрный университет | STAND FOR DETERMINING THE OPERATIONAL CHARACTERISTICS OF HYDRAULIC SHOCK ABSORBERS |
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| DE2225164A1 (en) * | 1972-05-24 | 1973-12-06 | Dieter Dipl Ing Lutz | DEVICE FOR CHECKING THE EFFECTIVENESS OF VIBRATION DAMPERS ON WHEEL SUSPENSIONS |
| US6247348B1 (en) * | 1997-04-04 | 2001-06-19 | Hitachi, Ltd. | Apparatus for and method of testing dynamic characteristics of components of vehicle |
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2014
- 2014-12-03 CN CN201410720216.5A patent/CN104897409A/en active Pending
Patent Citations (6)
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| DE2225164A1 (en) * | 1972-05-24 | 1973-12-06 | Dieter Dipl Ing Lutz | DEVICE FOR CHECKING THE EFFECTIVENESS OF VIBRATION DAMPERS ON WHEEL SUSPENSIONS |
| US6247348B1 (en) * | 1997-04-04 | 2001-06-19 | Hitachi, Ltd. | Apparatus for and method of testing dynamic characteristics of components of vehicle |
| CN101788385A (en) * | 2009-01-25 | 2010-07-28 | 长春泰斯特科技有限公司 | Stability parameter test board for automobile |
| CN101706371A (en) * | 2009-11-16 | 2010-05-12 | 浙江大学 | Guide slot type motor vehicle lifting device for drum-type motor vehicle detecting system |
| CN101995339A (en) * | 2010-10-11 | 2011-03-30 | 山东交通学院 | Multiple-degree-of-freedom vehicle dynamics testing platform with road spectrum analog function |
| CN102967470A (en) * | 2012-11-01 | 2013-03-13 | 中国煤炭科工集团太原研究院 | Bench test system of explosion-proof rubber-tyred vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU167373U1 (en) * | 2016-04-13 | 2017-01-10 | Федеральное государственное бюджетное образовательное учреждение высшего образования Новосибирский государственный аграрный университет | STAND FOR DETERMINING THE OPERATIONAL CHARACTERISTICS OF HYDRAULIC SHOCK ABSORBERS |
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Application publication date: 20150909 |
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