CN103018055A - Detection system for fatigue-resistant performances of automobile brake and accelerator - Google Patents
Detection system for fatigue-resistant performances of automobile brake and accelerator Download PDFInfo
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- CN103018055A CN103018055A CN2012105303694A CN201210530369A CN103018055A CN 103018055 A CN103018055 A CN 103018055A CN 2012105303694 A CN2012105303694 A CN 2012105303694A CN 201210530369 A CN201210530369 A CN 201210530369A CN 103018055 A CN103018055 A CN 103018055A
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Abstract
The invention discloses a detection system for fatigue-resistant performances of an automobile brake and an accelerator. The detection system comprises an automatic pedal device, a driving wheel traveling device, a data acquisition unit and a computer, wherein driving wheels of a vehicle to be detected travel on the driving wheel traveling device, the automatic pedal device is arranged in an automobile cab, the computer is connected with the automatic pedal device and the data acquisition unit respectively, the automatic device steps an accelerator pedal and/or a brake pedal of the automobile repeatedly according to parameters set by the computer, and the data acquisition unit sends acquired test data to the computer for analysis processing simultaneously. The detecting system has the advantages of being simple in structure and capable of detecting fatigue-resistant performances of automobile brakes and accelerators under various driving environments.
Description
Technical field
The present invention relates to the automobile detection field, is a kind of detection system that detects automobile brake system, throttle system fatigue performance specifically.
Background technology
8,500,000 cars are recalled because of " pedal door " event by Toyota in the whole world.The file that offers NHTSA according to Toyota shows that in fact defective gas pedal exists two independent defectives.The gas pedal that the vehicles such as the Tundra of first Toyota exist the slowly problem that resets, this problem is identified at the beginning of 2008.Another defective then is the problem of the gas pedal adhesion that exists in 2,300,000 vehicles that are called back.Honda Motor's brake system is deposited hidden danger and is recalled 410,000 automobiles in the U.S., and Honda Motor announced and will recall 410,000 Honda Motors in the U.S. afternoon on the 16th March in 2010.In recent years, it is more and more that the vehicle that occurs because of brake system problem, throttle system problem is recalled event, and owing to these critical systems report that causes accident end that also appears in the newspapers repeatly especially that breaks down.Therefore, be necessary very much to strengthen check to automobile brake system, throttle system.But present brake detects, and is the check braking distance mostly, and the detection of throttle then is substantially not have.These detect and substantially can not effectively find to brake, quality or the design hidden danger of throttle, in fact, and the report that this routine testing is not also pinpointed the problems substantially.Therefore, be necessary very much to design a new detection system, can do effective torture test for brake system and the throttle system of automobile, find out potential hazards, due guarantee is made in safety trip to the people, also removes potential production safety hidden danger and manages hidden danger for Automobile Enterprises.
Summary of the invention
Task of the present invention is for above-mentioned technical matters, to provide a kind of detection system that can carry out fatigue performance to brake system and the throttle system of vehicle.
Technological means: the invention discloses braking automobile, the detection system of throttle fatigue performance, comprise the automatic pedal device, the driving wheel mobile devices, data acquisition unit and computing machine, wherein the driving wheel of vehicle to be measured travels on the driving wheel mobile devices, the automatic pedal device is arranged in the pilothouse of automobile, computing machine is connected with data acquisition unit with the automatic pedal device respectively, the automatic pedal device is trampled gas pedal and/or the brake pedal of automobile repeatedly according to the parameter of computer settings, and data acquisition unit sends the test figure that collects to Computer Analysis and processes simultaneously.
The automatic pedal device comprises support, stepper motor and one or two stampede body, and wherein stampede body comprises push rod, pedal and toggle; Be provided with guide sleeve at support, push rod is connected with support by guide sleeve, pedal is installed in the lower end of push rod, the other end of push rod is connected on the toggle, the other end of toggle connects stepper motor by transmission shaft, described computing machine is connected with stepper motor by electric machine controller, is provided with the power sensor in the bottom of pedal, and described data acquisition unit is connected with the power sensor.
Be provided with for the electromagnetic lock mechanism that locks push rod at guide sleeve, described push rod is connected with described toggle by electromagnet, described computing machine is connected with electromagnetic lock mechanism with electromagnet respectively by a motion controller, and one group of jack that matches with latch or slot that electromagnetic lock mechanism arranges by the latch of magnet control with at push rod consist of;
The working method of electromagnet and electromagnetic lock mechanism is:
A, electromagnet outage, push rod separates with toggle, simultaneously electromagnetic lock mechanism locking push rod;
B, electromagnetic lock mechanism release, push rod are freely movable, simultaneously electromagnet energising, and push rod is connected with toggle.
This system also is provided with the photoelectric sensor for detection of brake pedal and/or accelerator pedal position, photoelectric sensor is connected with described Computer signal, computing machine is controlled described stampede body action according to brake pedal or the residing position of gas pedal that position transducer detects.
Be provided with for the governor motion of regulating the guide sleeve angle at support; Described push rod is telescopic rod.
Stampede body is provided with two, is respectively throttle stampede body and brake stampede body;
The throttle stampede body is connected with stepper motor respectively with the stampede body that is connected; Or the throttle stampede body is connected with described stepper motor by same transmission shaft with the stampede body that is connected, and the interval time that can trample alternately by the connection angle change throttle stampede body that changes two crank connecting and transmission shaft and the stampede body that brakes.
The driving wheel mobile devices are provided with the cylinder group more than a group of travelling for driving wheel according to the type of drive of vehicle to be measured, and every series cylinder group is provided with two cylinders, two cylinders be arranged side by side and spacing less than the diameter of driving wheel of vehicle to be measured.
The surface of cylinder detachably is installed on the barrel, and cylinder surface is that the material of simulating vehicle track situation is made, and comprises the road surface situations such as bituminous pavement, cement pavement or washboard pavement with simulation.
This system also is provided with for the spout to cylinder surface spray water, sandstone and/or mud.
And this system also is provided with motor, speed reduction unit and driving-chain, and motor is connected with driving-chain by speed reduction unit, and driving-chain is connected with cylinder, and wherein motor is by its action of described computer control.
Beneficial effect: 1, this system is for detection of brake system and throttle system, and the defective in can finding to design finds potential safety hazard, guarantees the driving safety of vehicle; 2, this system is made of the outer driving wheel mobile devices of automatic pedal device and car in the car and computing machine, and is simple in structure, easy to use; 3, cylinder surface is detachably changed, and simulating multiple Vehicle Driving Cycle pavement behavior, and is provided with spout, and more real simulated driving environment makes process of the test truer, and test findings reflects the performance of vehicle to be checked more comprehensively; 4, rotate the gravity effect that can simulating vehicle goes up a slope, is subject to during descending by computer control driven by motor cylinder; 5, photoelectric sensor is set pedal position is detected, guarantee to trample each time to reach the precalculated position, and can reduce checkout equipment itself to the impact of vehicle to be checked; 6, adjust the direction of trampling of pedal by guide sleeve, and push rod is set to extension type, adapting to the vehicle of different styles, and throttle and brake are trampled in test from different perspectives.
Description of drawings
Fig. 1 is the structural representation of this experimental system;
Fig. 2 is the automatic pedal device synoptic diagram of experimental system;
Fig. 3 is the structural representation of the outer driving wheel mobile devices of car;
Fig. 4 is the structural representation of electromagnetic lock.
Embodiment
As shown in Figure 1, the invention discloses braking automobile, the detection system of throttle fatigue performance, this system comprises automatic pedal device 1, driving wheel mobile devices 2, data acquisition unit 3 and computing machine 4, wherein the driving wheel of vehicle to be measured (trailing wheel of vehicle among the figure) travels on driving wheel mobile devices 2, automatic pedal device 1 is arranged in the pilothouse of automobile, computing machine 4 and automatic pedal device 1 are connected with data acquisition unit and are connected, the parameter that automatic pedal device 1 is set according to computing machine 4 is trampled gas pedal and/or the brake pedal of automobile repeatedly, while data acquisition unit 3 acquisition test data, and send computing machine 4 analyzing and processing to.
For detecting more comprehensively, the driving wheel mobile devices that adopt in the present embodiment can be simulated various environment.As shown in Figure 2, present embodiment is take the rear drive vehicle as example, and driving wheel mobile devices 2 are provided with the two series cylinder groups of travelling for driving wheel, every series cylinder group be provided with that 21, two cylinders 21 of two cylinders are arranged side by side and spacing less than the diameter of driving wheel of vehicle to be measured.Cylinder 21 is connected on the motor 23 by driving-chain 22, speed reduction unit 24, and motor 23 is connected on the computing machine 4 by controller, and it drives cylinder 21 rotations by computing machine 4 controls, to go up a slope or the suffered gravity effect of descending in the simulating vehicle driving process; The surface of cylinder 21 detachably is installed on the barrel, cylinder surface is that the material of simulating vehicle track situation is made, comprise the road surface situations such as bituminous pavement, cement pavement or washboard pavement with simulation, and be equipped with for the spout to cylinder surface spray water, sandstone and/or mud.The setting of cylinder group is to decide according to the type of drive of vehicle to be measured.
Automatically trample device 1 and can be provided with a stampede body, with independent detection brake or throttle; Also can be provided with two, test respectively throttle and brake, be provided with two stampede bodies in the present embodiment.As shown in Figure 3, automatic pedal device 1 comprises support 101, stepper motor 107 and two stampede bodies, and these two stampede bodies are respectively throttle stampede body and brake stampede body.Stampede body comprises push rod 103, pedal 104 and toggle 105; Be provided with guide sleeve 102 at support 101, push rod 103 is connected with support 101 by guide sleeve 102, pedal 104 is installed in the lower end of push rod 103, the other end of push rod 103 is connected on the toggle 105, the other end of toggle 105 connects stepper motor 107 by transmission shaft 106, computing machine 4 is connected with stepper motor 107 by electric machine controller 111, be provided with the power sensor in the bottom of pedal 104, data acquisition unit 3 is connected with the acquisition test data with the power sensor, and sends data to computing machine 4.
Be provided with electromagnetic lock mechanism 109 for the locking push rod at guide sleeve 102, push rod 103 is connected with toggle 105 by electromagnet 108, and computing machine 4 passes through a motion controller 110 is connected with electromagnetic lock mechanism with electromagnet 108 respectively and is connected.As shown in Figure 4, electromagnetic lock mechanism 109 is made of the latch 91 of magnet control and the one group of jack 92 that matches with latch 91 that arranges at push rod 103;
The working method of electromagnet 108 and electromagnetic lock mechanism 109 is:
A, when pedal 104 is depressed into certain position, electromagnet 108 outage, push rod 103 separates with toggle 105, electromagnetic lock mechanism 109 locking push rods 103 simultaneously, this moment, pedal 104 was with constant continuous brake or the throttle of jamming on of insisting on;
B, when need discharging pedal 104, electromagnetic lock mechanism 109 releases, simultaneously electromagnet 108 energisings, push rod 103 is connected with toggle 105, pedal 104 leaves and brakes or throttle.
Reach the requirement of detection for the dynamics that guarantees to trample at every turn, this system also is provided with the photoelectric sensor 112 for detection of brake pedal and/or accelerator pedal position, photoelectric sensor 112 is connected with computing machine 4 signals, brake pedal or the residing position of gas pedal that computing machine 4 detects according to position transducer 112, the action of control stampede body.
Be provided with for the governor motion of regulating guide sleeve 102 angles at support 101; Push rod 103 is telescopic rod, to adapt to the vehicle of different sizes.
The throttle stampede body is connected with stepper motor respectively with the stampede body that is connected; Perhaps the throttle stampede body is connected with stepper motor by same transmission shaft with the stampede body that is connected, and can be by changing the connection angle of two crank connecting and transmission shaft, the interval time of trampling alternately to change throttle stampede body and brake stampede body.
Claims (10)
1. braking automobile, the detection system of throttle fatigue performance, it is characterized in that: this system comprises the automatic pedal device, the driving wheel mobile devices, data acquisition unit and computing machine, wherein the driving wheel of vehicle to be measured travels on the driving wheel mobile devices, the automatic pedal device is arranged in the pilothouse of automobile, computing machine is connected with data acquisition unit with the automatic pedal device respectively, the automatic pedal device is trampled gas pedal and/or the brake pedal of automobile repeatedly according to the parameter of computer settings, and data acquisition unit sends the test figure that collects to Computer Analysis and processes simultaneously.
2. the detection system of braking automobile according to claim 1, throttle fatigue performance, it is characterized in that: described automatic pedal device comprises support, stepper motor and one or two stampede body, and wherein stampede body comprises push rod, pedal and toggle; Be provided with guide sleeve at support, push rod is connected with support by guide sleeve, pedal is installed in the lower end of push rod, the other end of push rod is connected on the end of toggle, the other end of toggle connects stepper motor by transmission shaft, described computing machine is connected with stepper motor by electric machine controller, is provided with the power sensor in the bottom of pedal, and described data acquisition unit is connected with the power sensor.
3. the detection system of braking automobile according to claim 2, throttle fatigue performance, it is characterized in that: be provided with for the electromagnetic lock mechanism that locks push rod at described guide sleeve, described push rod is connected with described toggle by electromagnet, described computing machine is connected with electromagnetic lock mechanism with electromagnet respectively by a motion controller, and one group of jack that matches with latch or slot that electromagnetic lock mechanism arranges by the latch of magnet control with at described push rod consist of;
The working method of electromagnet and electromagnetic lock mechanism is:
The electromagnet outage, push rod separates with toggle, simultaneously electromagnetic lock mechanism locking push rod;
Electromagnetic lock mechanism release, push rod are freely movable, simultaneously electromagnet energising, and push rod is connected with toggle.
4. the detection system of braking automobile according to claim 2, throttle fatigue performance, it is characterized in that: comprise the photoelectric sensor for detection of brake pedal and/or accelerator pedal position, photoelectric sensor is connected with described Computer signal, computing machine is controlled described stampede body action according to brake pedal or the residing position of gas pedal that position transducer detects.
5. the detection system of braking automobile according to claim 2, throttle fatigue performance is characterized in that: be provided with for the governor motion of regulating the guide sleeve angle at described support; Described push rod is telescopic rod.
6. according to claim 2 or the detection system of 3 or 4 or 5 described braking automobiles, throttle fatigue performance, it is characterized in that: described stampede body is provided with two, is respectively throttle stampede body and brake stampede body;
The throttle stampede body is connected with described stepper motor respectively with the stampede body that is connected; Or the throttle stampede body is connected with described stepper motor by same transmission shaft with the stampede body that is connected, and the interval time that can trample alternately by the connection angle change throttle stampede body that changes two crank connecting and transmission shaft and the stampede body that brakes.
7. the detection system of braking automobile according to claim 1, throttle fatigue performance, it is characterized in that: described driving wheel mobile devices are provided with the cylinder group more than a group of travelling for driving wheel according to the type of drive of vehicle to be measured, every series cylinder group is provided with two cylinders, two cylinders be arranged side by side and spacing less than the diameter of driving wheel of vehicle to be measured.
8. the detection system of braking automobile according to claim 7, throttle fatigue performance, it is characterized in that: the surface of described cylinder detachably is installed on the barrel, cylinder surface is that the material of simulating vehicle track situation is made, and comprises the road surface situations such as bituminous pavement, cement pavement or washboard pavement with simulation.
9. the detection system of braking automobile according to claim 8, throttle fatigue performance is characterized in that: comprise for the spout to cylinder surface spray water, sandstone and/or mud.
10. according to claim 7 or the detection system of 8 or 9 described braking automobiles, throttle fatigue performance, it is characterized in that: comprise motor, speed reduction unit and driving-chain, motor is connected with driving-chain by speed reduction unit, driving-chain is connected with cylinder, and wherein motor is by its action of described computer control.
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CN201210530369.4A CN103018055B (en) | 2012-12-11 | 2012-12-11 | Detection system for fatigue-resistant performances of automobile brake and accelerator |
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CN201210530369.4A CN103018055B (en) | 2012-12-11 | 2012-12-11 | Detection system for fatigue-resistant performances of automobile brake and accelerator |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103234762A (en) * | 2013-04-09 | 2013-08-07 | 柳州五菱汽车有限责任公司 | Pedal durability experimental device and pedal durability experimental method |
CN104833596A (en) * | 2015-05-09 | 2015-08-12 | 青岛双凌科技设备有限公司 | Conveyor belt impact strength testing machine |
CN106768968A (en) * | 2017-01-03 | 2017-05-31 | 苏州西格尔自动化设备有限公司 | A kind of automotive wheels assemblage closes operating mode durability test apparatus |
CN107036794A (en) * | 2017-04-27 | 2017-08-11 | 国家电网公司 | A kind of second generation rectilinear transducer mounting bracket |
CN108572081A (en) * | 2017-03-07 | 2018-09-25 | 上海机动车检测认证技术研究中心有限公司 | A kind of link control device and its returning device |
CN108801651A (en) * | 2018-06-11 | 2018-11-13 | 浙江国自机器人技术有限公司 | A kind of drum brake method for testing performance, system and the relevant apparatus of drum type braking device |
CN108956155A (en) * | 2018-05-31 | 2018-12-07 | 武汉联航机电有限公司 | A kind of detection device |
CN111775922A (en) * | 2020-07-27 | 2020-10-16 | 西华大学 | Automatic control method for automobile pedal |
CN113514256A (en) * | 2021-06-16 | 2021-10-19 | 杭叉集团股份有限公司 | Multifunctional pedal fatigue performance test bench and locking method thereof |
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Cited By (12)
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CN103234762A (en) * | 2013-04-09 | 2013-08-07 | 柳州五菱汽车有限责任公司 | Pedal durability experimental device and pedal durability experimental method |
CN103234762B (en) * | 2013-04-09 | 2016-09-14 | 广西汽车集团有限公司 | A kind of pedal durability experimental device and experimental technique thereof |
CN104833596A (en) * | 2015-05-09 | 2015-08-12 | 青岛双凌科技设备有限公司 | Conveyor belt impact strength testing machine |
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CN108956155A (en) * | 2018-05-31 | 2018-12-07 | 武汉联航机电有限公司 | A kind of detection device |
CN108801651A (en) * | 2018-06-11 | 2018-11-13 | 浙江国自机器人技术有限公司 | A kind of drum brake method for testing performance, system and the relevant apparatus of drum type braking device |
CN111775922A (en) * | 2020-07-27 | 2020-10-16 | 西华大学 | Automatic control method for automobile pedal |
CN113514256A (en) * | 2021-06-16 | 2021-10-19 | 杭叉集团股份有限公司 | Multifunctional pedal fatigue performance test bench and locking method thereof |
CN113514256B (en) * | 2021-06-16 | 2024-05-31 | 杭叉集团股份有限公司 | Multifunctional pedal fatigue performance test board and locking method thereof |
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