CN208223832U - A kind of electric children vehicle freewheel detection system - Google Patents
A kind of electric children vehicle freewheel detection system Download PDFInfo
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- CN208223832U CN208223832U CN201820883025.4U CN201820883025U CN208223832U CN 208223832 U CN208223832 U CN 208223832U CN 201820883025 U CN201820883025 U CN 201820883025U CN 208223832 U CN208223832 U CN 208223832U
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- detection platform
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- children vehicle
- electric children
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Abstract
The utility model discloses a kind of electric children vehicle freewheel detection systems, the first detection platform that on ground and upper surface is equipped with the tensile test runway of laying sand paper layer is layed in including level, the operating platform above the top or the first test runway terminal of the tensile test runway starting point is fixed on by support construction, it is arranged in parallel in the second detection platform right above the first detection platform at setting height, the second detection platform is equipped with velocity sensor.Lifting device is arranged in the free end of second detection platform, and the free end of the second detection platform is driven to be gone up and down.Hanging apparatus above second detection platform is set, including horizontal hoist cable is hung and hook, suspension hook suspention test counterweight.Velocity sensor, lifting device and hanging apparatus are electrically connected to the control system.The application has double detection system switching constructions, significantly optimizing detection equipment, meets testing staff to all requirements of perambulator free wheel device provided context of detection, improves the accuracy of perambulator freewheel detection.
Description
Technical field
The utility model relates to vehicle subsystem untied simulated techniques field, in particular to a kind of electric children vehicle freewheel inspection
Examining system.
Background technique
Since electric children vehicle has certain speed of service, if children encounter slope during using electric children vehicle
When not in adult control range, electric children vehicle should have the mechanical mechanism of response or device to prevent electric children vehicle on the slope
Accelerate to glide to guarantee the personal safety of children, this requires the braking abilities of electric children vehicle can satisfy various emergency situations.
Electric children vehicle freewheel detects the project indispensable as one, and 6675 Toy Safety Standards of standard GB/T are to having oneself
Relevant specific requirement is given by the electric children vehicle braking ability of wheel apparatus.
Currently, the detection for children's electric motor vehicle freewheel braking ability mainly uses tension method (sizing technique) or slope method
(qualitative method).
Tension method is to be horizontally arranged electric children vehicle, and load load appropriate as required, is being covered with P60 aluminum oxide paper
With the at the uniform velocity dilatory electric children vehicle of the speed of 2 ± 0.2m/s in plane, maximum pull is tested.
If the maximum pull F measured >=(m+25) × 1.7 (electric children vehicle that 36 months and following children are applicable in) or F >=
(m+50) × 1.7 (electric children vehicle that 37 months or more children are applicable in) is then thought to be not belonging to freewheel electric children vehicle.
More commonly used detection method is exactly this method in laboratory at present, specifically: place 50KG's on electric children vehicle
Then counterweight is run in runway, the rotational speed regulation that simultaneous computer passes through control motor with external motor traction electric children vehicle
The speed of electric children vehicle guarantees that it in the stable state of 2m/s, then acquires perambulator suffered tractive force at this time by sensor
Size draw change curve, and then the maximum for obtaining being subject to when perambulator is run under 2m/s speed is led in conjunction with speed at that time
Gravitation.By determining whether to belong to freewheel electric children vehicle to maximum drawbar pull.
Slope method is electric children vehicle after the counterweight of load 50kg, is placed on 10 ° of inclined-planes for being covered with P60 aluminium oxide, if
Accelerate to glide, is then regarded as freewheel electric children vehicle.
However above two detection method has some disadvantages, specifically:
The shortcomings that pulling force sizing technique: one, testing aluminum oxide sandpaper and the perambulator of detection friction unbalance stress on runway can go out
Existing Folding Deformation influences test accuracy.Two, the moving direction for guaranteeing test perambulator is unable to accurately control in the test of long runway,
It often will appear test perambulator and deviate situation of going off the course.Since track testing power very not only cannot get experimental data greatly, this
The perambulator sample of test can also be scrapped.Three, the counterweight of 50Kg is frequently carried excessively complicated at runway both ends.
The shortcomings that slope method: one, 50Kg counterweight frequently carries excessively consumption testing staff's physical strength in the detection.Two, slope
Detection platform limited length, qualitative precision are inadequate.Three, slope detection platform occupied ground is excessive.
It is therefore desirable to provide a kind of detection system that can overcome existing electric children vehicle freewheel detection mode disadvantage.
Utility model content
The purpose of this utility model is to provide one kind can overcome existing electric children vehicle freewheel detection mode disadvantage
Electric children vehicle freewheel detection system.
According to an embodiment of the present application, a kind of electric children vehicle freewheel detection system is provided, comprising:
First detection platform, level are layed on ground, and upper surface is equipped with the tensile test runway for being laid with sand paper layer；
Operating platform is fixed on the top of the tensile test runway starting point by support construction or the first test is run
The top of road terminal；
Second detection platform is arranged in parallel in right above the first detection platform at setting height, including fixing end and freedom
End, the fixing end and the operating platform are rotatablely connected；The upper surface self-retaining end of second detection platform is to free end
The direction of extension is equipped with velocity sensor；
The free end of second detection platform is arranged in lifting device, and the free end of the second detection platform is driven to carry out
Lifting；After the free end of second detection platform drops to and subscribes position, the upper surface of the second detection platform constitutes slope
Test runway；
Hanging apparatus, including the horizontal hoist cable above second detection platform is arranged in and in hoist cable sliding
Suspension hook, the suspension hook suspention test counterweight；
Control system is electrically connected with the multipair sensor, lifting device and hanging apparatus.
Preferably, the velocity sensor includes multipair infrared switch sensor, and each pair of infrared switch sensor connects
A single-chip microcontroller is connect, timer is set on the single-chip microcontroller；Multiple single-chip microcontrollers are electrically connected with the control system.
It is further preferred that electric children vehicle freewheel detection system further includes tension sensor, it is arranged to be detected electronic
Perambulator by traction.
Preferably, the length of the first detection platform is greater than or equal to the length of second detection platform, described second
When the free end of detection platform drops to reservation position, between the second detection platform upper surface and the first detection platform upper surface
Angle is 10 °.
Preferably, the tensile test runway two sides of first detection platform are equipped with protective fence.
Preferably, when the free end of second detection platform is not declined, the work surface of the operating platform with
The upper surface of second detection platform flushes.
As one of preferred embodiment, the lifting device is lifting column.
As another preferred embodiment, the lifting device includes being fixedly installed on above second detection platform
Electric block and be arranged in second detection platform and the snap ring close to second detection platform free end.
From the above technical scheme, the electric children vehicle freewheel detection system in the application is free in existing electric children vehicle
It undergoes technological transformation and technological innovation on the basis of wheel detection method, tension method and slope method is integrated in a system, it is real
The mechanized operation of existing double detection system switching constructions, not only optimizing detection equipment, reduction occupation area of equipment meet inspection significantly
Survey personnel improve perambulator freewheel and examine the accurate of detection to all requirements of perambulator free wheel device provided context of detection
Property, no matter the judgement to perambulator freewheel, there are also safety both provide better detection platform and detection foundation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram that the electric children vehicle freewheel detection system exemplified is preferably implemented according to one；
Fig. 2 is the structural schematic diagram that electric children vehicle freewheel detection system shown in Fig. 1 is in racetrack pattern.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 is the structural schematic diagram that the electric children vehicle freewheel detection system exemplified is preferably implemented according to one, such as Fig. 1 institute
Show, electric children vehicle freewheel detection system include the first detection platform 1, operating platform 2, the second detection platform 3, lifting device 4,
Hanging apparatus 5 and control system (not shown).Wherein,
First detection platform, 1 level is layed on ground, and upper surface is equipped with the tensile test runway for being laid with sand paper layer.
Operating platform 2 is fixed on top or the first test runway end of tensile test runway starting point by support construction
The top of point.Second detection platform 3 is plate structure, is arranged in parallel at 1 surface setting height of the first detection platform.Second
Detection platform 3 includes fixing end 30 and free end 31, and fixing end and operating platform 2 are rotatablely connected.The setting of lifting device 4 is the
The free end of two detection platforms 3 is simultaneously electrically connected to the control system, and lifting device 4 drives the free end of the second detection platform 3 one
It is gone up and down in a altitude range.When second detection platform 3 is in extreme higher position, the upper surface and first of the second detection platform 3
The upper surface of detection platform 1 is parallel, flushes with the work surface of operating platform 2；Drop in the free end of the second detection platform 3 pre-
Booking postpones, and the upper surface of the second detection platform 3 is tilted relative to the upper surface of the first detection platform 1, and constitutes slope test
Runway.Preferably, the length of the first detection platform 1 is greater than or equal to the length of the second detection platform 3, in the second detection platform 3
Free end drop to when subscribing position, the angle between 1 upper surface of 3 upper surface of the second detection platform and the first detection platform is
10°。
It should be noted that in the application without limitation for the specific structure of lifting device 4, it is all to can be realized
The device that the free end of two detection platforms 3 is gone up and down falls into the protection scope of the application.It is preferably implemented as one of which
Mode, lifting device 4 are lifting column.As another preferred embodiment, lifting device 4 can also be include being fixedly installed on second
The electric block of the top of detection platform 3 and it is fixed on the card in the second detection platform 3 and close to 3 free end of the second detection platform
Ring.Electric block hangs the rise of 3 free end of the second detection platform or decline by snap ring.
Accordingly, the direction that the upper surface self-retaining end of the second detection platform 3 extends to free end is equipped with the sensing that tests the speed
Device 6.As the preferred embodiment in each embodiment, velocity sensor 6 includes multipair infrared switch sensor, each pair of infrared to open
It closes sensor and connects a single-chip microcontroller, timer is set on single-chip microcontroller；Multiple single-chip microcontrollers are electrically connected to the control system.
Hanging apparatus 5 includes the horizontal hoist cable 50 that 3 top of the second detection platform is arranged in and the suspension hook in hoist cable sliding
51, suspention test counterweight 7 on suspension hook.Hanging apparatus 5 is electrically connected to the control system.
Further, the electric children vehicle freewheel detection system in the application further includes tension sensor 8, is arranged to be checked
Survey electric children vehicle 9 by traction.
The working principle of the electric children vehicle freewheel detection system in the application is described in detail below.
When needing to carry out the test of electric children vehicle freewheel slope, by set-up of control system ramp mode, control at this time
System controls lifting device 4, and lifting device 4 drives the free end of the second detection platform 3 to fall, when control system automatically detects
Ramp angles (with the angle between 1 upper surface of the first detection platform) light green indicator light and illustrate testing staff system when being 10 °
Positive second detection platform, 3 upper surface of system operation is normal, as shown in Figure 1.Electric children vehicle to be checked is carried on operating platform 2 by testing staff,
Control system is lifted into perambulator setting position to be checked and fixation for counterweight is tested by control hanging apparatus 5.Lead to when being tested
Signal is real-time transmitted in software by the velocity sensor for crossing slope two sides, obtains movement rail of the electric children vehicle on entire slope
Mark and speed.
When needing to carry out the test of electric children vehicle 2m/s freewheel runway, by set-up of control system racetrack pattern, at this time
Control system controls lifting device 4, and lifting device 4 drives the free end of the second detection platform 3 to rise, makes the second detection platform 3
Upper surface is flushed with the upper surface of operating platform 2, and control system detects the height of 3 free end of the second detection platform rise simultaneously automatically
Green indicator light signal testing staff's system normal operation is lighted, racetrack pattern is as shown in Figure 2.Then testing staff is electricity to be checked
Dynamic perambulator is put into the starting point of the second detection platform 3, will test counterweight by control hanging apparatus 5 and be lifted into perambulator setting to be checked position
It sets and fixes.Signal is real-time transmitted in control system by tension sensor when being tested.It is further preferred that first
The tensile test runway two sides of detection platform 1 are equipped with protective fence.Increase protective fence in runway two sides, can guarantee that track testing is pacified
It carries out entirely, to provide more reliable and more stable testing result.
In the test macro of slope, key parameter is the downstream rate of tested perambulator, this system slope perambulator velocity test
It is tested the speed using segmentation velocimetry, 4 pairs of infrared switch sensors is placed on 6 meters of slopes, when perambulator downlink passes through each biography
Slave computer is triggered when sense and carries out interruption or timing, measures the purpose of perambulator downgoing time in regular length to realize, it is final to obtain
To the average speed of every section of the perambulator distance that tests the speed.In order to improve the accurate and stability of TT&C system data, under this system uses
Position machine single-chip microcontroller connection sensor carry out data acquisition, simple data processing, then by way of data serial communications with it is upper
Electromechanical brain is connected, and draws the parameter curves such as Velocity Time, inspection result is made to be easy to judge.
From the above technical scheme, the electric children vehicle freewheel detection system in the application is free in existing electric children vehicle
It undergoes technological transformation and technological innovation on the basis of wheel detection method, tension method and slope method is integrated in a system, it is real
The mechanized operation of existing double detection system switching constructions, not only optimizing detection equipment, reduction occupation area of equipment meet inspection significantly
Survey personnel improve perambulator freewheel and examine the accurate of detection to all requirements of perambulator free wheel device provided context of detection
Property, no matter the judgement to perambulator freewheel, there are also safety both provide better detection platform and detection foundation.
It should be understood that the utility model is not limited to the accurate knot for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right
It asks to limit.
Claims (8)
1. a kind of electric children vehicle freewheel detection system characterized by comprising
First detection platform, level are layed on ground, and upper surface is equipped with the tensile test runway for being laid with sand paper layer；
Operating platform is fixed on top or the first test runway end of the tensile test runway starting point by support construction
The top of point；
Second detection platform is arranged in parallel in right above the first detection platform at setting height, including fixing end and free end, institute
It states fixing end and the operating platform is rotatablely connected；What the upper surface self-retaining end of second detection platform extended to free end
Direction is equipped with velocity sensor；
The free end of second detection platform is arranged in lifting device, and the free end of the second detection platform is driven to be gone up and down；
After the free end of second detection platform drops to and subscribes position, the upper surface of the second detection platform constitutes slope test and runs
Road；
Hanging apparatus, including the horizontal hoist cable above second detection platform and hanging in hoist cable sliding is arranged in
Hook, the suspension hook suspention test counterweight；
Control system is electrically connected with the velocity sensor, lifting device and hanging apparatus.
2. electric children vehicle freewheel detection system according to claim 1, which is characterized in that the velocity sensor includes
Multipair infrared switch sensor, each pair of infrared switch sensor connect a single-chip microcontroller, timing are arranged on the single-chip microcontroller
Device；Multiple single-chip microcontrollers are electrically connected with the control system.
3. electric children vehicle freewheel detection system according to claim 1, which is characterized in that it further include tension sensor,
Be arranged in electric children vehicle to be detected by traction.
4. electric children vehicle freewheel detection system according to claim 1, which is characterized in that the length of the first detection platform
More than or equal to the length of second detection platform, when the free end of second detection platform drops to and subscribes position,
Angle between second detection platform upper surface and the first detection platform upper surface is 10 °.
5. electric children vehicle freewheel detection system according to claim 1, which is characterized in that first detection platform
Tensile test runway two sides are equipped with protective fence.
6. electric children vehicle freewheel detection system according to claim 1, which is characterized in that in second detection platform
Free end when not declined, the work surface of the operating platform is flushed with the upper surface of second detection platform.
7. according to claim 1 to any electric children vehicle freewheel detection system in 6, which is characterized in that the lifting
Device is lifting column.
8. according to claim 1 to any electric children vehicle freewheel detection system in 6, which is characterized in that the lifting
Device includes being fixedly installed on the electric block above second detection platform and being arranged in second detection platform simultaneously
Snap ring close to second detection platform free end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820883025.4U CN208223832U (en) | 2018-06-07 | 2018-06-07 | A kind of electric children vehicle freewheel detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820883025.4U CN208223832U (en) | 2018-06-07 | 2018-06-07 | A kind of electric children vehicle freewheel detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208223832U true CN208223832U (en) | 2018-12-11 |
Family
ID=64504849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820883025.4U Expired - Fee Related CN208223832U (en) | 2018-06-07 | 2018-06-07 | A kind of electric children vehicle freewheel detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208223832U (en) |
-
2018
- 2018-06-07 CN CN201820883025.4U patent/CN208223832U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20200607 |