CN103234762B - A kind of pedal durability experimental device and experimental technique thereof - Google Patents
A kind of pedal durability experimental device and experimental technique thereof Download PDFInfo
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- CN103234762B CN103234762B CN201310121190.8A CN201310121190A CN103234762B CN 103234762 B CN103234762 B CN 103234762B CN 201310121190 A CN201310121190 A CN 201310121190A CN 103234762 B CN103234762 B CN 103234762B
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Abstract
The invention discloses a kind of pedal durability experimental device, including parking pedal and accelerator pedal linkage durability experimental device and for adding up the enumerator of the linkage number of times of described parking pedal and accelerator pedal linkage durability experimental device, wherein, described parking pedal and accelerator pedal linkage durability experimental device include parking pedal, drive the first driving means that described parking pedal moves, accelerator pedal, drive the second driving means that described accelerator pedal moves, for fixing the lockable mechanism of described parking pedal, for making resetting means that described parking pedal resets and for controlling described first driving means and the controller of described second driving means work.The pedal durability experimental device that the present invention provides can measure the durability of the linkage of parking pedal and accelerator pedal.The present invention also provides for a kind of pedal durability experiment method.
Description
Technical field
The present invention relates to auto pedal technical field, particularly to a kind of pedal durability experiment dress
Put and experimental technique.
Background technology
The haulage vehicle that the former finger of automobile is used as power with fuel gas, also refers to have self equipment power to drive
Dynamic vehicle.Typically there is four or more wheel, not against track or stringing in land
The vehicle that ground travels.
Automobile its there is the pedals such as parking pedal, brake pedal and accelerator pedal, wherein, parking
Pedal is used for parking braking, generally referred to as parking brake, and the most useful foot operates, and its effect is exactly
When stopping, to one resistance of automobile, automobile is made not slip car.Brake pedal is as the term suggests being exactly
Limiting the pedal of power, the i.e. pedal of service brake, brake pedal is used for ramp to stop, and it is automobile
Driving one of five big controls, driver controls how to directly affect automobile driving safe.Separately
Outer accelerator pedal is mainly used in the acceleration of automobile.
Owing to automobile is a kind of vehicles that can run at high speed, its parking pedal, braking are stepped on
Plate and accelerator pedal frequency of usage are the highest, it is therefore desirable to preferably durability, wherein, and parking
The durability of the linkage of pedal and accelerator pedal is extremely important.
Therefore, how to provide a kind of pedal durability experimental device, to measure parking pedal and to add
The durability of the linkage of speed pedal, is that those skilled in the art are presently required the technology of solution and ask
Topic.
Summary of the invention
It is an object of the invention to provide a kind of pedal durability experimental device, to measure parking pedal
Durability with the linkage of accelerator pedal；It is a further object of the present invention to provide a kind of pedal resistance to
Property experimental technique for a long time.
For solving above-mentioned technical problem, the present invention provides following scheme:
A kind of pedal durability experimental device, resistance to including parking pedal and accelerator pedal linkage
For a long time property experimental provision and be used for adding up described parking pedal and accelerator pedal linkage durability
The enumerator of the linkage number of times of experimental provision, wherein, described parking pedal and accelerator pedal linkage
Device durability experimental device includes parking pedal, first driving of driving described parking pedal to move
The second driving means that dynamic device, accelerator pedal, the described accelerator pedal of driving move, for solid
Determine the lockable mechanism of described parking pedal, be used for so that described parking pedal resets to initial position
Resetting means and for control described first driving means and described second driving means work
Controller；
Described first driving means drives described parking pedal to depress, when described parking pedal moves
During to the first standard value, described lockable mechanism secures the above parking pedal, described controller control
Making described first driving means retraction, the most described controller controls described second driving means and drives
Dynamic described accelerator pedal depresses, and the most described lockable mechanism unclamps described parking pedal, described multiple
Position device makes described parking pedal reset.
Preferably, controller noted above also includes first changing for control described first driving means
To valve with for controlling the second reversal valve of described second driving means.
Preferably, controller noted above also include for measure described parking pedal shift motion
One measurement apparatus and for measuring the second measurement apparatus of described accelerator pedal shift motion.
Preferably, above-mentioned first driving means also includes the operating frequency controlling described parking pedal
The first arrangements for speed regulation.
Preferably, above-mentioned second driving means also includes the operating frequency controlling described accelerator pedal
The second arrangements for speed regulation.
Preferably, above-mentioned pedal durability experimental device also includes brake pedal and hydraulic pressure system thereof
System durability test device, described brake pedal and hydraulic system durability test device thereof include
Brake pedal, drive the 3rd driving means that described brake pedal moves, for measuring described system
Move the 3rd measurement apparatus of the shift motion of pedal, for measuring the front braking of described brake pedal
First pressure transducer of the pressure of device and for measuring the pressure of the rear brake of described brake pedal
Second pressure transducer of power, wherein, described enumerator is additionally operable to add up described brake pedal
Braking cycle number of times.
Preferably, above-mentioned pedal durability experimental device also include brake pedal static state legpower with
Hydraulic measurement device, described brake pedal static state legpower and hydraulic measurement device include vacuum pump,
With described vacuum pump with the use of gas receiver, for measure described brake pedal brake force adjust
The hydrostatic sensor of regulating device and receive the pressure value of described vacuum pump and described hydraulic sensing
The automobile dynamic test set of the pressure value of device.
The present invention also provides for a kind of pedal durability experiment method, including step 1) first drive
Dynamic device drives parking pedal to depress, when described parking pedal moves to the first standard value, and locking
Device secures the above parking pedal, and controller controls described first driving means retraction；Step
2) then, controller controls the second driving means and drives accelerator pedal to depress, meanwhile, and described lock
Locking apparatus unclamps described parking pedal, and resetting means makes parking pedal reset, when described acceleration
When pedal moves to the second standard value, controller controls described second driving means and bounces back, meanwhile,
Described accelerator pedal bounces back along with described second driving means simultaneously, completes once to link；Step
3) number of times of linkage described in counters count, and compare with the 3rd standard value.
Preferably, above-mentioned steps 1) operating frequency that is specially described parking pedal is that 1-3 is conspicuous
Hereby.
Preferably, above-mentioned steps 2) operating frequency that is specially described accelerator pedal is that 1-3 is conspicuous
Hereby.
The pedal durability experimental device that the invention described above is provided, including parking pedal and acceleration
Pedal linkage device durability experimental device and be used for adding up described parking pedal and accelerator pedal
The enumerator of the linkage number of times of linkage durability experimental device, wherein, described parking pedal
Include parking pedal with accelerator pedal linkage durability experimental device, drive described parking to step on
What the first driving means that plate moves, accelerator pedal, the described accelerator pedal of driving moved second drives
Move device, for fixing the lockable mechanism of described parking pedal, being used for so that described parking pedal
Reset resetting means and be used for controlling described first driving means and described second driving means work
The controller made.
During use, the first first driving means drives parking pedal to depress, and drive simulating person's is dynamic
Making to touch parking pedal, when parking pedal moves to the first standard value, locking system is fixed
Parking pedal, controller controls the first driving means retraction, and then controller controls the second driving
Device drives accelerator pedal to depress, and the action of drive simulating person touches accelerator pedal, meanwhile, lock
Locking apparatus unclamps parking pedal, and resetting means makes parking pedal Rapid reset, works as accelerator pedal
When moving to the second standard value, controller controls described second driving means retraction, adds meanwhile
Speed pedal bounces back along with the second driving means simultaneously, now, completes once to link, then, and meter
The number of times of number device statistics linkage, and linkage number of times, and compare with the 3rd standard value, if less than
3rd standard value, then proceed experiment, when parking pedal and accelerator pedal linkage
When linkage number of times is higher than the 3rd standard value and self can normally use, i.e. it is believed that this parking is stepped on
The durability of plate and accelerator pedal linkage is no problem, completes pedal durability experiment.
Wherein, the first standard value and the second standard value be disposed to control the first driving means
Drive length with the second driving means, it is to avoid the stroke of parking pedal and accelerator pedal loaded
Head, preferably control parking pedal and the loading stroke of accelerator pedal, and to a certain extent
Regulate and control loading frequency.
Accompanying drawing explanation
The structural representation of the pedal durability experimental device that Fig. 1 is provided by the embodiment of the present invention
Figure.
In figure 1 above:
Parking pedal 1, accelerator pedal 2, brake pedal the 3, first driving means 4, second drive
Dynamic device the 5, the 3rd driving means 6.
Detailed description of the invention
The core of the present invention is to provide a kind of pedal durability experimental device, to measure parking pedal
Durability with the linkage of accelerator pedal；It is resistance to that another core of the present invention is to provide a kind of pedal
Property experimental technique for a long time.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with
The present invention is described in further detail for the drawings and specific embodiments.
Refer to the pedal durability experimental device that Fig. 1, Fig. 1 are provided by the embodiment of the present invention
Structural representation.
The pedal durability experimental device that the embodiment of the present invention is provided, including parking pedal and adding
Speed pedal linkage durability experimental device and being used for adds up parking pedal and accelerator pedal connection
The enumerator of the linkage number of times of dynamic device durability experimental device, wherein, parking pedal and acceleration
Pedal linkage device durability experimental device includes parking pedal 1, drives parking pedal 1 to move
The first driving means 4, accelerator pedal 2, drive the second driving means of moving of accelerator pedal 2
5, for fixing the lockable mechanism of parking pedal 1, for the reset making parking pedal 1 reset
Device and the controller worked for control the first driving means 4 and the second driving means 5.
During use, the first first driving means 4 drives parking pedal 1 to depress, drive simulating person
Action touch parking pedal 1, when parking pedal 1 moves to the first standard value, locking fill
Putting and fix parking pedal 1, controller controls the first driving means 4 and bounces back, then controller
Controlling the second driving means 5 drives accelerator pedal 2 to depress, and the action of drive simulating person touches and adds
Speed pedal 2, meanwhile, locking system unclamps parking pedal 1, and resetting means makes parking pedal 1
Rapid reset, when accelerator pedal 2 moves to the second standard value, controller controls the second driving
Device 5 bounces back, and meanwhile, accelerator pedal 2 bounces back along with the second driving means 5 simultaneously, now,
Complete once to link, then, the number of times of counters count linkage, and linkage number of times, and with the
Three standard values compare, if less than the 3rd standard value, then proceed experiment, when parking is stepped on
The linkage number of times of plate and accelerator pedal linkage is higher than the 3rd standard value and self can normally make
Used time, i.e. it is believed that the durability of this parking pedal and accelerator pedal linkage is no problem,
Complete pedal durability experiment.
Wherein, the first standard value and the second standard value be disposed to control the first driving means
4 and second drive length of driving means 5, it is to avoid parking pedal 1 and the row of accelerator pedal 2
Journey loads excessive, preferably controls parking pedal 1 and the loading stroke of accelerator pedal 2, and
Regulate and control loading frequency to a certain extent.
Wherein, resetting means can be return spring etc., and resetting means is not done specifically by the present invention
Limit.
Concrete, controller also include the first reversal valve for controlling the first driving means 4 and
For controlling the second reversal valve of the second driving means 5.Owing to the first driving means 4 is driving
After parking pedal 1 depresses, self need retraction, then the first reversal valve is set herein and helps the
One driving means 4 bounces back, such as when the first driving means 4 is cylinder or hydraulic cylinder, the
It is convenient that one reversal valve enables to extending and retracting of the push rod of cylinder or hydraulic cylinder, the
Two reversal valves are in like manner.
Concrete, controller also includes that the shift motion for measuring parking pedal 1 first is measured
Device and for measuring second measurement apparatus of shift motion of accelerator pedal 2.First measures dress
Put is to realize the automatic measurement to the first standard value, stepping on when the first measurement apparatus records parking
When the shift motion of plate 1 reaches the first standard value, controller responds and controls the first driving means
4 retractions.
Second measurement apparatus is to realize the automatic measurement to the second standard value, when second measures
Device records the shift motion of accelerator pedal 2 when reaching the second standard value, and controller responds and controls
Make the second driving means 5 to bounce back.
First measurement apparatus and the second measurement apparatus can be proximity switch, stroke sensor or
Limit switch etc., wherein, proximity switch small volume, can automatically control, use more convenient,
Its service life should reach more than 2,000,000 times, and the first measurement apparatus and second are measured by the present invention
Device is not specifically limited.
Concrete, the first driving means 4 and the/the second driving means 5 are cylinder, naturally it is also possible to
For other driving means, such as hydraulic cylinder etc..When using cylinder, it is desirable to its thrust can
Reaching 1000N, service life should reach more than 2,000,000 times.
Concrete, the first driving means 4 also includes controlling the of the operating frequency of parking pedal 1
One arrangements for speed regulation, the operating frequency being controlled parking pedal 1 by the first arrangements for speed regulation is maintained at 1-3
Hertz, so can be carried out the saturation experiments of high intensity, and the experimental result obtained is more
There is effectiveness.
Concrete, the second driving means 4 also includes controlling the of the operating frequency of accelerator pedal 2
Two arrangements for speed regulation.The operating frequency being controlled accelerator pedal 2 by the first arrangements for speed regulation is maintained at 1-3
Hertz, so can be carried out the saturation experiments of high intensity, and the experimental result obtained is more
There is effectiveness.
Concrete, above-mentioned pedal durability experimental device also includes brake pedal and hydraulic pressure system thereof
System durability test device, brake pedal and hydraulic system durability test device thereof include braking
Pedal 3, drive brake pedal 3 move the 3rd driving means 6, for measuring brake pedal 3
Shift motion the 3rd measurement apparatus, for measuring the pressure of front brake of brake pedal 3
The first pressure transducer and for measure brake pedal 3 rear brake pressure second pressure
Force transducer, wherein, enumerator is additionally operable to add up the braking cycle number of times of brake pedal 3.
During use, the 3rd driving means 6 drives brake pedal 3 to depress, and drive simulating person's is dynamic
Making to touch brake pedal, the 3rd measurement apparatus is measured the shift motion of brake pedal 3, is worked as braking
When pedal 3 moves into place, the 3rd driving means 6 remains stationary as the 2-3 second, then the 3rd drives
Device 6 bounces back, and meanwhile, brake pedal 3 resets therewith, completes a braking cycle,
Rolling counters forward once, the numerical value of last statistical number device, it is compared with the 4th standard value,
If less than the 4th standard value, then proceeding experiment, the 4th standard value can be 500,000 times,
Certainly, concrete numerical value can determine according to practical situation, simultaneously the first pressure transducer collection system
The pressure of the front brake of dynamic pedal 3, the second pressure transducer gathers the rear system of brake pedal 3
The pressure of dynamic device, completes the durability experiment of the hydraulic system to brake pedal.
Wherein, the 3rd driving means 6 can be cylinder, and the present invention is to the 3rd driving means 6 not
Being specifically limited, then when actually used, the 3rd driving means 6 is additionally provided with pressurizer,
This makes it possible to realize self remaining stationary as 2-3 second, then cylinder retraction by cylinder pressurize.
The operating frequency of brake pedal 3 should be 1-3 hertz, so can be carried out high intensity
Saturation experiments, the experimental result obtained has more effectiveness.
So, the pedal durability experimental device that the present invention provides can complete parking pedal simultaneously
With accelerator pedal linkage durability experiment and brake pedal and the examination of hydraulic system durability thereof
Test two experiments, decrease the floor space of equipment, reduce cost of manufacture, and two realities
Test and can independently carry out, do not interfere with each other.
Concrete, above-mentioned pedal durability experimental device also include brake pedal static state legpower with
Hydraulic measurement device, brakes static state legpower and hydraulic measurement device include vacuum pump and true
Empty pump with the use of gas receiver, for measuring the liquid of the adjustor of brake force of brake pedal 3
The automobile of the pressure value of pressure sensor and the pressure value of reception vacuum pump and hydrostatic sensor
Dynamic test set.Owing to the brake pedal 3 of vehicle has vacuum boost system, it is therefore desirable to make
The work of vacuum boost system is simulated so that measurement result has more very with vacuum pump and gas receiver
Reality, then measures the pressure of the adjustor of brake force of brake pedal 3 by hydrostatic sensor,
By receiving the automobile dynamic test of the pressure value of the pressure value of vacuum pump and hydrostatic sensor
Instrument calculates, thus realizes brake pedal static state legpower and hydraulic measurement.
So, the pedal durability experimental device that the present invention provides can complete parking pedal simultaneously
With accelerator pedal linkage durability experiment and brake pedal static state legpower and hydraulic measurement two
Individual experiment, it is, of course, also possible to complete brake pedal and hydraulic system endurancing thereof, the most just
It is to complete altogether three experiments, preferably decreases the floor space of equipment, reduce system
Make cost, and three experiments can independently be carried out, and does not interfere with each other.
The embodiment of the present invention also provides for a kind of pedal durability experiment method, including: step 1)
First driving means 4 drives parking pedal 1 to depress, and parking pedal 1 moves to the first standard value
Time, locking system fixes parking pedal 1, and controller controls the first driving means 4 and bounces back；
Step 2) controller controls the second driving means 5 and drives accelerator pedal 2 to depress, meanwhile, lock
Locking apparatus unclamps parking pedal 1, and resetting means makes parking pedal 1 reset, when accelerator pedal 2
When moving to the second standard value, controller controls the second driving means 5 and bounces back, and, accelerates meanwhile
Pedal 2 bounces back along with the second driving means 5 simultaneously, completes once to link；Step 3) counting
The number of times of device statistics linkage, and compare with the 3rd standard value, if less than the 3rd standard value, that
Proceed experiment.When the linkage number of times of parking pedal and accelerator pedal linkage is higher than the
Three standard values and when self can normally use, i.e. it is believed that this parking pedal and accelerator pedal connection
The durability of dynamic device is no problem, completes pedal durability experiment.
Wherein, the 3rd standard value can be set to 100,000 times, and concrete numerical value can be according to actual feelings
Condition determines.
Concrete, step 1) operating frequency that is specially parking pedal 1 is 1-3 hertz, this
Sample can be carried out the saturation experiments of high intensity, and the experimental result obtained has more effectiveness.
Concrete, step 2) operating frequency that is specially accelerator pedal 2 is 1-3 hertz, this
Sample can be carried out the saturation experiments of high intensity, and the experimental result obtained has more effectiveness.
Above pedal durability experimental device provided by the present invention and experimental technique thereof are carried out
It is discussed in detail.
Principle and the embodiment of the present invention are set forth by specific case used herein,
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.Should
When pointing out, for those skilled in the art, without departing from the principle of the invention
On the premise of, it is also possible to the present invention is carried out some improvement and modification, and these improve and modify also
Fall in the protection domain of the claims in the present invention.
Claims (10)
1. a pedal durability experimental device, it is characterised in that include parking pedal and add
Speed pedal linkage durability experimental device and be used for adding up described parking pedal and acceleration is stepped on
The enumerator of the linkage number of times of plate linkage durability experimental device,
Wherein, described parking pedal and accelerator pedal linkage durability experimental device include staying
Car pedal (1), drive the movement of described parking pedal (1) the first driving means (4), accelerate
Pedal (2), drive second driving means (5) of described accelerator pedal (2) movement, for solid
Determine the lockable mechanism of described parking pedal (1), be used for so that described parking pedal (1) resets
To the resetting means of initial position be used for controlling described first driving means (4) and described second
The controller that driving means (5) works；
Described first driving means (4) drives described parking pedal (1) to depress, and stays when described
When car pedal (1) moves to the first standard value, described lockable mechanism secures the above parking pedal
(1), described controller controls described first driving means (4) retraction, the most described controller
Controlling described second driving means (5) drives described accelerator pedal (2) to depress, the most described
Lockable mechanism unclamps described parking pedal (1), and described resetting means makes described parking pedal (1)
Reset.
Pedal durability experimental device the most according to claim 1, it is characterised in that
Described controller also includes the first reversal valve for controlling described first driving means (4) and use
In the second reversal valve controlling described second driving means (5).
Pedal durability experimental device the most according to claim 1, it is characterised in that
Described controller also includes the first measurement dress for measuring described parking pedal (1) shift motion
Put and for measuring the second measurement apparatus of described accelerator pedal (2) shift motion.
Pedal durability experimental device the most according to claim 1, it is characterised in that
Described first driving means (4) also includes controlling the operating frequency of described parking pedal (1)
First arrangements for speed regulation.
Pedal durability experimental device the most according to claim 1, it is characterised in that
Described second driving means (5) also includes controlling the operating frequency of described accelerator pedal (2)
Second arrangements for speed regulation.
Pedal durability experimental device the most according to claim 1, it is characterised in that
Also include brake pedal and hydraulic system durability test device thereof, described brake pedal and liquid thereof
Pressure system durability test device includes brake pedal (3), drives described brake pedal (3) to move
Dynamic the 3rd driving means (6), be used for measuring described brake pedal (3) shift motion the
Three measurement apparatus, the first pressure of the pressure of the front brake of described brake pedal (3) of being used for measuring
Force transducer and be used for measuring the second pressure of the pressure of the rear brake of described brake pedal (3)
Sensor,
Wherein, described enumerator is additionally operable to add up the braking cycle number of times of described brake pedal.
Pedal durability experimental device the most according to claim 6, it is characterised in that
Also include brake pedal static state legpower and hydraulic measurement device, described brake pedal static state legpower with
Hydraulic measurement device include vacuum pump and described vacuum pump with the use of gas receiver, for surveying
Measure the hydrostatic sensor of the adjustor of brake force of described brake pedal (3) and receive described vacuum
The pressure value of pump and the automobile dynamic test set of the pressure value of described hydrostatic sensor.
8. a pedal durability experiment method, it is characterised in that including:
Step 1) the first driving means (4) drive parking pedal (1) depress, described parking
When pedal (1) moves to the first standard value, locking system secures the above parking pedal (1),
Controller controls described first driving means (4) retraction；
Step 2) then, controller controls the second driving means (5) and drives accelerator pedal (2)
Depressing, meanwhile, described locking system unclamps described parking pedal (1), and resetting means makes to stay
Car pedal (1) resets, and when described accelerator pedal (2) moves to the second standard value, controls
Device control described second driving means (5) retraction, meanwhile, described accelerator pedal (2) along with
Described second driving means (5) bounces back simultaneously, completes once to link；
Step 3) number of times of linkage described in counters count, and compare with the 3rd standard value.
Pedal durability experiment method the most according to claim 8, it is characterised in that
Described step 1) be specially described parking pedal (1) operating frequency be 1-3 hertz.
Pedal durability experiment method the most according to claim 8, it is characterised in that
Described step 2) be specially described accelerator pedal (2) operating frequency be 1-3 hertz.
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| CN201310121190.8A CN103234762B (en) | 2013-04-09 | 2013-04-09 | A kind of pedal durability experimental device and experimental technique thereof |
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| CN201310121190.8A CN103234762B (en) | 2013-04-09 | 2013-04-09 | A kind of pedal durability experimental device and experimental technique thereof |
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| CN103234762B true CN103234762B (en) | 2016-09-14 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062117A (en) * | 2014-07-16 | 2014-09-24 | 上海大众汽车有限公司 | Durability testing device of pedal mechanism |
| CN106989937B (en) * | 2017-05-12 | 2018-12-18 | 同济大学 | Controlled stroke formula accelerator pedal of automobile driving machine |
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| US5821718A (en) * | 1996-05-07 | 1998-10-13 | Chrysler Corporation | Robotic system for automated durability road (ADR) facility |
| ES2360173T3 (en) * | 2008-02-07 | 2011-06-01 | It-Designers Gmbh | DEVICE FOR CHECKING THE OPERATION OF A VEHICLE. |
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| CN103234762A (en) | 2013-08-07 |
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