CN205691348U - A kind of vehicle ABS brake tester carrying out multiple test - Google Patents

A kind of vehicle ABS brake tester carrying out multiple test Download PDF

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Publication number
CN205691348U
CN205691348U CN201620665801.4U CN201620665801U CN205691348U CN 205691348 U CN205691348 U CN 205691348U CN 201620665801 U CN201620665801 U CN 201620665801U CN 205691348 U CN205691348 U CN 205691348U
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wheel
front left
abs
cylinder
shaft
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王金刚
李悦怡
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Hebei University of Technology
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Hebei University of Technology
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Abstract

This utility model discloses a kind of vehicle ABS brake tester carrying out multiple test, this testing stand is separately installed with individually takes turns speed detector, wheel ABS simulator fixing device at the front left of framework platform, front right-hand member and rear left, rear right-hand member, can detect car load ABS or the braking ability of wheel abs braking analog respectively.Testing stand cylinder group passes through electric expansion bar, controls different automobile types two axle base, electric expansion bar two ends and cylinder group two axle Dynamic link library, can accurately control different size vehicle wheel footpath, it is achieved the purpose of precision test.This utility model can detect accurately multiple in the case of car load or single tire braking effect under abs braking effect, have more significant scientific research value, Teaching Value;Additionally this utility model also has simple in construction, advantage easy and simple to handle.

Description

A kind of vehicle ABS brake tester carrying out multiple test
Technical field
This utility model relates to automobile detection field, particularly to a kind of vehicle ABS braking examination carrying out multiple test Test platform.
Background technology
Owing to ABS can significantly improve the braking ability of automobile, become the basic equipment of brake system of car, along with ABS application on automobile is increasingly extensive, the most accurately, quickly and efficiently detection ABS service behaviour be one the most urgent Task.At present, it is the examination of actual entrucking road that automobile ABS service behaviour detects widely used method both at home and abroad, but from examination From the point of view of testing situation, this method also exists the defects such as somewhat expensive, excessive cycle, precision is on the low side.
Also have now some ABS test equipment to use common inertia type brake tester, this be only capable of fixing to wheelbase A certain class whole vehicle measures, it is impossible to single simulated wheel measurement device in experimental study or teaching process.And Whole automobile ABS is when test, and the attachment coefficient on road surface, load, resistance etc. are changes, and testing stand is wanted by different model vehicle Asking and have difference more, wheel abs braking analog is more beneficial for accuracy and the safety of test compared with car load.Especially in examination Test, under the environment such as teaching, car load and wheel abs braking analog are tested respectively, are more beneficial for the inspection to ABS performance Survey, and prior art do not possess above-mentioned under the conditions of detection function, and can not be to different wheelbases, the vehicle ABS in different wheel footpath Performance effectively detects, and does not has due detection role of evaluation.So can be simultaneously to car load ABS and wheel abs braking Analog detects, and detects the vehicle of different wheelbases, wheel footpath, is that current vehicle check and test industry is badly in need of The difficult problem solved.
Utility model content
For the deficiencies in the prior art, what this utility model intended to solve technical problem is that: offer one can be simultaneously to car load Carry out ABS performance detection with simulated wheel device, and can accurately regulate automobile two between centers wheelbase, the abs braking examination in vehicle wheel footpath Test platform.This device is mainly used in teaching and scientific experiments, has more significant significance of scientific research, and additionally this utility model also has structure Simply, easy and simple to handle, the advantage of good stability.
This utility model solves the technical scheme of described technical problem: provide one can accurately regulate abs braking test Platform automobile two between centers wheelbase and the rail electric control telescopic device in accurate fit vehicle wheel footpath, and when not affecting car load detection, Wheel abs braking analog fixed mechanism can be coordinated, it is detected.This testing stand includes: is symmetricly set on frame and puts down Front left on platform, front right, rear left, rear right flywheel shaft, front left, front right, rear left, rear right transmission case and front revolver cylinder group, front Right wheel cylinder group, rear revolver cylinder group, rear right wheel cylinder group, described flywheel shaft is connected with corresponding transmission case front and back respectively, can Flexible power transmission shaft head and the tail connect described corresponding transmission case, and described flywheel shaft is provided with flywheel, it is characterised in that described antero posterior axis machine Body panel is additionally provided with front revolver, front right wheel, rear revolver, rear right wheel torque controller, described each torque controller head respectively WEILIAN connects corresponding cylinder group and power transmission shaft;
Described torque controller is electromagnetic brake, especially magnetic powder brake;
Described cylinder group includes: master rotor, auxiliary cylinder, cylinder group frame, wheel lifting device, vehicle ABS braked wheel are simulated Device fixing device, major-minor cylinder wheel speed speed probe.Described master rotor, auxiliary cylinder are connected by electric expansion bar, major-minor Cylinder two shaft end is connected with major-minor cylinder wheel speed speed probe respectively, and wherein main drum shaft leads to corresponding scalable power transmission shaft Cross shaft coupling to be connected;
Described electric expansion bar one end is fixing with master rotor to be connected, and the other end and auxiliary cylinder are by position fixed block elasticity phase Even, in order to adapting to the size in different size vehicle wheel footpath, described electric expansion axle middle-end is connected with wheel lifting device coordination.Institute State and can be moved forward and backward by slide rail bottom wheel lifting device, in order to adapt to the change of different automobile types wheelbase;
Described each cylinder group is provided with wheel abs braking simulator fixing device, in order to fixing vehicle wheel abs braking is simulated Device, described fixing device is scalable fixing bar, and bar upper end is provided with dop;
The mode that described monitor station controls attachment coefficient is as follows: according to the stressing conditions analysis on cylinder of the tested vehicle , the adhesive force that cylinder provides is:
Formula 1.~5. in, μ is the attachment coefficient between cylinder and tire, N1、N2It is respectively master rotor, auxiliary cylinder to wheel Holding power;GlFor wheel wheel load;α is wheel angle of setting on cylinder;M is moment of torsion, and I is torque controller electric current.Visible, car Wheel wheel load GlTime known, utilizing electric expansion axle to control and record vehicle wheel footpath D, wheelbase H, the definite value such as radius roller R, by changing Become wheel angle of setting α on cylinder, the attachment coefficient μ of testing stand can be changed, change the adhesive force F that cylinder providesμRealize Coefficient adjustment.In braking procedure, by detection major-minor drum rotation speed sensor and the information of sensing drum rotation speed sensor, instead Reflect speed and each wheel wheel speed and situation of change, it is achieved test and the detection to vehicle ABS systematic function.
Compared with prior art, the beneficial effects of the utility model are: due to the front left of framework platform, front right-hand member and after Right-hand member left, rear is separately installed with individually takes turns speed detector, wheel ABS simulator fixing device, can detect car load respectively ABS or the braking ability of wheel abs braking analog.Testing stand cylinder group passes through electric expansion bar, controls different automobile types two Axle base, electric expansion bar two ends and cylinder group two axle Dynamic link library, can accurately control different size vehicle wheel footpath, it is achieved essence Really test.This utility model can detect accurately multiple in the case of car load or the braking under abs braking effect of single tire Effect, has more significant scientific research value, Teaching Value, and additionally this utility model also has simple in construction, advantage easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is that (wherein 13, frame is put down for the overall structure schematic front view of a kind of embodiment of this utility model testing stand Platform;14, (14C, front left become front revolver abs braking assay device assembly for wherein 14A, front left flywheel group, 14B, front left flywheel shaft Speed device axle, 14D, front left variator, 14E, front left torque controller, the scalable power transmission shaft of 14F, front left, 14G, front left shaft coupling, 14H, front left cylinder group);15, front right wheel abs braking assay device assembly (wherein 15A, front right flywheel group, 15B, front right flywheel Axle, 15C, front right transmission shaft, 15D, front right variator, 15E, front right torque controller, the scalable power transmission shaft of 15F, front right, 15G, front right shaft coupling, 15H, front right cylinder group);16, rear right wheel abs braking assay device assembly (wherein 16A, rear right flywheel Group, 16B, rear right flywheel shaft, 16C, rear right transmission shaft, 16D, rear right variator, 16E, rear right torque controller, 16F, rear right Scalable power transmission shaft, 16G, rear right shaft coupling, 16H, rear right cylinder group);17, rear revolver abs braking assay device assembly is (wherein 17A, rear left flywheel group, 17B, rear left flywheel shaft, 17C, rear left transmission shaft, 17D, rear left variator, 17E, rear left moment of torsion control Device processed, the scalable power transmission shaft of 17F, rear left, 17G, rear left shaft coupling, 17H, rear left cylinder group)).
Fig. 2 is that a kind of embodiment cylinder group overall structure right side of this utility model testing stand regards schematic diagram (cylinder group frame Right side side plate removes);
Wherein 1, cylinder group frame;2, master rotor;3, master rotor speed probe;4, main drum shaft;5, electric expansion bar;6、 Wheel lifting device;7, auxiliary roller axis;8, auxiliary cylinder speed probe;9, auxiliary cylinder position fixed block;10, auxiliary cylinder.
Fig. 3 is a kind of embodiment wheel abs braking simulator fixture structure schematic diagram of this utility model testing stand (wherein 11, wheel lifting device slide rail;12, bar fixed by wheel abs braking simulator).
Fig. 4 is a kind of embodiment circuit connection diagram of this utility model testing stand.
Fig. 5 is a kind of embodiment test mode schematic diagram of this utility model testing stand.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, this utility model method is described further.
This utility model provide a kind of carry out multiple test vehicle ABS test-bed (be called for short testing stand, see Fig. 1- 5).This testing stand includes that framework platform 13, front revolver abs braking assay device assembly 14, front right wheel abs braking assay device are total One-tenth 15, rear right wheel abs braking assay device assembly 16, rear revolver abs braking assay device assembly 17.Front revolver abs braking tries Experiment device assembly 14, front right wheel abs braking assay device assembly 15, rear right wheel abs braking assay device assembly 16 and rear revolver The structure of abs braking assay device assembly 17 is identical, and four with the axis of framework platform 13 as symmetrical centre, symmetrically It is separately mounted on four angles of framework platform 13.
Described front revolver abs braking assay device assembly 14 includes that front left flywheel group 14A, front left flywheel shaft 14B, front left become Speed device axle 14C, front left variator 14D, front left torque controller 14E, front left scalable power transmission shaft 14F, front left shaft coupling 14G, Front left cylinder group 14H.Described front revolver cylinder group 14H is by the outfan of front left shaft coupling 14G and front left torque controller 14E Being connected, the input of front left torque controller 14E is rigidly connected with front left variator 14D, and front left flywheel shaft 14B is become by front left Speed device 14D power transmission shaft scalable with front left 14F is connected and realizes being mutually in step, on front left flywheel shaft 14B before being provided with of rigidity Left flywheel group 14A.
With reference to Fig. 1, this testing stand framework platform 13 is respectively symmetrically be provided with identical front revolver cylinder group 14H, Front right wheel cylinder group 15H, rear right wheel cylinder group 16H, rear revolver cylinder group 17H, each cylinder group is respectively by front left shaft coupling 14G, front right shaft coupling 15G, rear right shaft coupling 16G, rear left shaft coupling 17G turn round with corresponding front left torque controller 14E, front right Square controller 15E, rear right torque controller 16E, the outfan of rear left torque controller 17E are connected, each torque controller Input respectively with corresponding front left variator 14D, front right variator 15D, rear right variator 16D, rear left variator 17D rigidity It is connected.Front left flywheel shaft 14B, front right flywheel shaft 15B, rear right flywheel shaft 16B, rear left flywheel shaft 17B are respectively by front left speed change Device 14D, front right variator 15D, rear right variator 16D, rear left variator 17D power transmission shaft 14F scalable with front left, front right respectively Scalable power transmission shaft 15F, rear right scalable power transmission shaft 16F, rear left scalable power transmission shaft 17F are connected to realize being mutually in step.Before On left flywheel shaft 14B, front right flywheel shaft 15B, rear right flywheel shaft 16B, rear left flywheel shaft 17B, the correspondence respectively of rigidity is provided with four Front left flywheel group 14A that individual rotary inertia is identical, front right flywheel group 15A, rear right flywheel group 16A, rear left flywheel group 17A, be used for Simulate the kinetic energy of vehicle to be measured.Four torque controllers use magnetic powder brake, and particular by changing, magnetic powder brake is excitatory The electric current of coil changes the torque of transmission, it is achieved the change of attachment coefficient.
The internal annexation of cylinder group was described as a example by revolver cylinder group 14H in the past.Front revolver cylinder group 14H includes master rotor Axle 4, electric expansion bar 5, wheel lifting device 6, auxiliary roller axis 7, auxiliary cylinder position fixed block 9;Before master rotor 2, auxiliary cylinder 10 After be arranged on abreast on cylinder group frame 1, two cylinders are separately mounted to electric expansion bar 5 by main drum shaft 4, auxiliary roller axis 7 Two ends, wherein, one end of electric expansion bar 5 and master rotor 2 is fixing to be connected, and its other end passes through auxiliary cylinder position with auxiliary cylinder 10 Put fixed block 9 resilient connection;The outfan of two cylinders respectively with master rotor speed probe 3, auxiliary cylinder speed probe 8 phase Even.Each master rotor speed probe 3, auxiliary cylinder speed probe 8, electric expansion bar 5 are only with total measurement and control unit respectively Vertical connection, individually by measurement and control unit monitoring and control, as shown in Figure 4.Wheel lifting device 6 is arranged on master rotor 2, auxiliary cylinder 10 Between lower position, the middle part of its upper end and electric expansion bar 5 is fixing to be connected, and its base is arranged on bottom cylinder group frame 1 In grooved tracks 11.Front right wheel cylinder group 15H, rear right wheel cylinder group 16H, rear revolver cylinder group internal structure and connection and front left Wheel cylinder group 14H is identical.Wheel lifting device 6 is driven by gas-hydraulic cylinder and controls to move up and down, as in figure 2 it is shown, wheel lifting dress Put 6 bases and electric expansion bar 5 collocated control, sliding at groove by the flexible of electric expansion bar 5 and wheel lifting device 6 base Move on rail 11, change two roller pitch from and two cylinder groups between position, the automobile in different wheel footpath can be coordinated, lifting wheel so that Vehicle enters and exits testing stand.
With reference to Fig. 3 and Fig. 5, this utility model testing stand cylinder four-wheel braking test device is separate, in order to turning During braking, the brake condition of four wheels carries out independent monitoring and control.And on the base of the wheel lifting device 6 of cylinder group It is provided with wheel abs braking simulator and fixes bar 12, in order to single wheel abs braking simulator is carried out abs braking detection.
Single wheel abs braking simulator test process on this testing stand is: wheel abs braking simulator passes through Fixing bar is fixed on any one abs braking assay device assembly, applies the power of fixed size, and low cruise is to ajust car Wheel, makes wheel contact with corresponding cylinder group front and back.When starting to test, the attachment coefficient setting wheel according to test requirements document is i.e. turned round The control electric current of square controller, is again started up wheel simulator, and wheel drives cylinder to rotate, cylinder group by electric expansion bar, Torque controller, flywheel shaft drive flywheel to rotate and simulate vehicle body kinetic energy.When wheel further accelerated with the 5km/h speed operation several seconds 40km/h wheel speed, then stops wheel simulator, makes wheel sliding, can start wheel abs braking simulator ABS system after sliding It is dynamic, until wheel speed is zero.By in test process flywheel shaft speed and on each cylinder the velocity variations of speed probe count Its ABS system performance relative to the slip rate on ground, is evaluated by the adhesion coefficient utilization of calculation vehicle with vehicle.
Vehicle test process on this testing stand is: after automobile reaches bed stand, low cruise is to ajust car Wheel, makes wheel contact with corresponding cylinder group front and back, and fixing vehicle body is in case scurrying out.When starting to test, set according to test requirements document The control electric current of the i.e. torque controller of attachment coefficient of each wheel, driver actuation, wheel drives cylinder to rotate, and cylinder group is led to Cross electric expansion bar, torque controller, flywheel shaft drive flywheel to rotate to simulate vehicle body kinetic energy, and flywheel shaft is by variator and can The realization that is connected of flexible power transmission shaft is mutually in step.When vehicle further accelerates 40km/h speed with the 5km/h speed operation several seconds, then become Speed device is hung neutral gear and is slided, and can brake hard be zero until speed after sliding.By the speed of flywheel shaft in test process with each On cylinder, the velocity variations of speed probe calculates the adhesion coefficient utilization of vehicle and the vehicle slip rate relative to ground, right The ABS system performance of vehicle is evaluated.
This utility model can extensively apply ABS research and development, Vehicle inspection mechanism and the teaching of vehicle relevant speciality, by detection The potential safety hazard of vehicle can be got rid of, improve the driving safety of vehicle.
This utility model is not addressed part and is applicable to prior art.

Claims (3)

1. one kind can carry out the vehicle ABS test-bed of multiple test, it is characterised in that include framework platform, front revolver abs braking Assay device assembly, front right wheel abs braking assay device assembly, rear right wheel abs braking assay device assembly, rear revolver ABS system Dynamic test assembly of devices;Front revolver abs braking assay device assembly, front right wheel abs braking assay device assembly, rear right wheel ABS Brake test device assembly is identical with the structure of rear revolver abs braking assay device assembly, and four with in framework platform Axis is symmetrical centre, is separately mounted to symmetrically on four angles of framework platform;
Described front revolver abs braking assay device assembly includes front left flywheel group, front left flywheel shaft, front left transmission shaft, front left Variator, front left torque controller, the scalable power transmission shaft of front left, front left shaft coupling, front left cylinder group;Described front revolver cylinder group It is connected by the outfan of front left shaft coupling with front left torque controller, the input of front left torque controller and front left variator Rigidly connected, front left flywheel shaft is connected by the scalable power transmission shaft of front left variator and front left and realizes being mutually in step, and front left flies On wheel shaft, rigidity is provided with front left flywheel group;
Be respectively symmetrically on framework platform be provided with identical front revolver cylinder group, front right wheel cylinder group, rear right wheel cylinder group, Rear revolver cylinder group, each cylinder group respectively by front left shaft coupling, front right shaft coupling, rear right shaft coupling, rear left shaft coupling with Corresponding front left torque controller, front right torque controller, rear right torque controller, the outfan phase of rear left torque controller Even, the input of each torque controller becomes with corresponding front left variator, front right variator, rear right variator, rear left respectively Speed device is rigidly connected;Front left flywheel shaft, front right flywheel shaft, rear right flywheel shaft, rear left flywheel shaft are respectively by front left variator, front Right variator, rear right variator, rear left variator power transmission shaft scalable with front left respectively, the scalable power transmission shaft of front right, rear right can Flexible power transmission shaft, the scalable power transmission shaft of rear left are connected to realize being mutually in step;Front left flywheel shaft, front right flywheel shaft, rear right flywheel On axle, rear left flywheel shaft rigidity corresponding respectively be provided with four identical front left flywheel groups of rotary inertia, front right flywheel group, after Right flywheel group, rear left flywheel group, be used for simulating the kinetic energy of vehicle to be measured;Four torque controllers use magnetic powder brake, specifically It it is the torque changing transmission by changing the electric current of magnetic powder brake magnetizing coil, it is achieved the change of attachment coefficient;
The internal annexation of cylinder group was described as a example by revolver cylinder group in the past;Front revolver cylinder group includes main drum shaft, electronic stretches Contracting bar, wheel lifting device, auxiliary roller axis, auxiliary cylinder position fixed block;Cylinder it is arranged on abreast before and after master rotor, auxiliary cylinder On group frame, two cylinders are separately mounted to the two ends of electric expansion bar, wherein, electric expansion bar by main drum shaft, auxiliary roller axis One end and master rotor fixing is connected, its other end passes through auxiliary cylinder position fixed block resilient connection with auxiliary cylinder;Two cylinders Outfan is connected with master rotor speed probe, auxiliary cylinder speed probe respectively;Each master rotor speed probe, auxiliary cylinder Speed probe, electric expansion bar respectively with total measurement and control unit separate connection, individually by measurement and control unit monitoring with control;Car Wheel lifting device is arranged on the lower position between master rotor, auxiliary cylinder, and its upper end is fixing with the middle part of electric expansion bar to be connected, Its base is arranged in the grooved tracks bottom cylinder group frame;In front right wheel cylinder group, rear right wheel cylinder group, rear revolver cylinder group Portion's structure and connection are identical with front revolver cylinder group;Wheel lifting device is driven by gas-hydraulic cylinder and controls to move up and down, and wheel is lifted Rise device pedestal and electric expansion bar collocated control, sliding at groove by the flexible of electric expansion bar and wheel lifting device base Move on rail, change two roller pitch from and two cylinder groups between position, the automobile in different wheel footpath can be coordinated, lifting wheel is with convinent car Enter and exit testing stand.
The most according to claim 1 a kind of carry out the vehicle ABS test-bed of multiple test, it is characterised in that four ABS Brake test device assembly is separate, in order to carry out independently monitoring and controlling to the brake condition of during brakeing during cornereing four wheels System.
The most according to claim 1 a kind of carry out the vehicle ABS test-bed of multiple test, it is characterised in that at cylinder The base of the wheel lifting device of group is provided with wheel abs braking simulator and fixes bar, in order to single wheel abs braking mould Intend device and carry out abs braking detection.
CN201620665801.4U 2016-06-28 2016-06-28 A kind of vehicle ABS brake tester carrying out multiple test Active CN205691348U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106198046A (en) * 2016-06-28 2016-12-07 河北工业大学 A kind of vehicle ABS brake tester carrying out multiple test
CN107806997A (en) * 2017-10-17 2018-03-16 北京新能源汽车股份有限公司 Vehicle braking is test bed
CN107884204A (en) * 2017-10-17 2018-04-06 北京新能源汽车股份有限公司 Vehicle braking is test bed
CN112729869A (en) * 2020-12-29 2021-04-30 合肥市极点科技有限公司 Automobile ABS brake detection system
CN112798299A (en) * 2021-02-02 2021-05-14 山东正能汽车检测装备有限公司 Automobile emission and automobile comprehensive safety inspection method
CN116839945A (en) * 2023-08-30 2023-10-03 连云港市昌明电子科技有限公司 ABS braking performance check out test set

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106198046A (en) * 2016-06-28 2016-12-07 河北工业大学 A kind of vehicle ABS brake tester carrying out multiple test
CN106198046B (en) * 2016-06-28 2018-10-19 河北工业大学 A kind of vehicle ABS brake tester carrying out a variety of tests
CN107806997A (en) * 2017-10-17 2018-03-16 北京新能源汽车股份有限公司 Vehicle braking is test bed
CN107884204A (en) * 2017-10-17 2018-04-06 北京新能源汽车股份有限公司 Vehicle braking is test bed
CN112729869A (en) * 2020-12-29 2021-04-30 合肥市极点科技有限公司 Automobile ABS brake detection system
CN112798299A (en) * 2021-02-02 2021-05-14 山东正能汽车检测装备有限公司 Automobile emission and automobile comprehensive safety inspection method
CN116839945A (en) * 2023-08-30 2023-10-03 连云港市昌明电子科技有限公司 ABS braking performance check out test set
CN116839945B (en) * 2023-08-30 2023-11-07 连云港市昌明电子科技有限公司 ABS braking performance check out test set

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