CN207472580U - Synchronous power device for electric bicycle performance test platform - Google Patents
Synchronous power device for electric bicycle performance test platform Download PDFInfo
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- CN207472580U CN207472580U CN201721626526.6U CN201721626526U CN207472580U CN 207472580 U CN207472580 U CN 207472580U CN 201721626526 U CN201721626526 U CN 201721626526U CN 207472580 U CN207472580 U CN 207472580U
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Abstract
A synchronous power device for an electric bicycle performance test platform comprises a base, a driving roller and a driven roller, wherein the driving roller and the driven roller are arranged in the base in an adjustable manner, and a positioning gear is arranged on the base; one side of the driving roller is provided with a driving motor, the other side of the driving roller is provided with a driving gear, and one side of the driven roller is provided with a driven gear; a plurality of tension pulleys are installed on two sides of the driving gear, the tension pulleys, the positioning gear and the driven gear are connected through a rack synchronous belt in a transmission mode, the horizontal static friction force applied to the wheels when the synchronous power device rotates can be reduced on the premise that the power of the front and rear idler wheels is guaranteed, the total length of the transmission belt is shortened, and the problem of fatigue and stretching caused by repeated use is solved.
Description
Technical field
The utility model belongs to the technical field of measurement and test of electric bicycle, relates in particular to a kind of electric bicycle performance
Test platform, especially a kind of electric bicycle Testing Platform synchronous dynamic device.
Background technology
Electric bicycle Testing Platform is a kind of equipment for testing electric bicycle, during test, by electric bicycle
The enterprising walking along the street face riding condition simulation of idler wheel of test platform is placed on, to test its properties under riding condition.Mesh
Preceding electric bicycle is mostly detected using motor preposition formula method, is driven certainly by being located at the motor at bicycle front axle
Driving.If bicyclist needs to pedal foot pedal, then the power being transmitted to by foot pedal, crank and axis on rear axle can also
The impetus of auxiliary is generated to the movement of electric bicycle.2 power are to realize power coupling by ground, so as to real
Show motor-driven pedal drive rod to drive pedal to simulate the movement to pedal of people, realize the performance test of assistant mode.
By the retrieval of patent document, following related patent document is found：
The Testing Platform of electric bicycle and portable electric motor cycle (CN201510545745.0) disclosure of the invention
The Testing Platform of electric bicycle and portable electric motor cycle a kind of including pedestal, is provided with vehicle seat compression on pedestal
Fixing device is additionally provided with bottom bracket bearing driven device on pedestal, and bottom bracket bearing driven device includes axis drive motor and axis drive driving lever,
Axis drive driving lever is connect with axis drive motor drive, and the rear portion of pedestal is slidably fitted with slip crate, and peace is rolled on slip crate
It equipped with shaft roller after a pair, is sequentially connected between rear shaft roller by synchronous cog belt A, the forepart of pedestal, which rolls, is provided with a pair
Preceding shaft roller is sequentially connected between preceding shaft roller by synchronous cog belt B, is sequentially connected between preceding shaft roller and rear shaft roller,
One of them preceding shaft roller is sequentially connected with dynamometer motor.Advantage is：The invention can easily testing of electric motors forward type it is electronic
The performance of vehicle.
The electric bicycle Testing Platform of above-mentioned retrieval is the first generation product of applicant, and the test platform is by dividing
Two power of setting roll not under electric vehicle front and rear wheel, while the mode for being drawn in using adjustment wheel transmission belt is driven.In addition
Two power rolling under wheel is triangularly arranged with wheel, but the output power of motor in detection electric vehicle billows with power
During dynamic power attenuation ratio, the rounded projections arranged mode is there are certain vibrations error, therefore applicant studies out regarding to the issue above
Second generation electric bicycle Testing Platform is sent out.
By the comparison of technical characteristic, applicant thinks technical solution and the present patent application side of patent document disclosed above
The structure of case is differed with purpose.
Utility model content
The purpose of the utility model is to overcome in place of the deficiencies in the prior art, a kind of electric bicycle performance test is provided
Platform synchronous dynamic device, the synchronous dynamic device are applied when can reduce its rotation under the premise of forward and backward idler wheel power is ensured
The horizontal stiction of wheel is added to, while shortens transmission belt total length, the fatigue caused by when being used for multiple times that solves it
Stretching problem.
The purpose of this utility model is achieved through the following technical solutions：
A kind of electric bicycle Testing Platform synchronous dynamic device, including pedestal, driving roller and driven roller,
Wherein driving roller and driven roller spacing are adjustably mounted on chassis interior, and positioning gear is equipped on pedestal；Actively roll
Take turns side installation driving motor, opposite side installation driving gear, driven roller side installation driven gear；The both sides of driving gear
Multiple tensioning wheels are installed, and driving gear, tensioning wheel, positioning gear and driven gear are connected by rack synchronous V belt translation.
In said program, preferred technical solution is：Chassis interior is symmetrically installed with adjusting sliding rail, on the adjusting sliding rail
Turning rolls is slidably fitted with, and driving roller is rotatablely installed between two turning rolls；Driving motor is fixedly mounted on the turning rolls of side,
Multiple tensioning wheels are rotatablely equipped on opposite side turning rolls, the turning rolls bottom thread of the side is coated with leading screw.
In said program, preferred technical solution is：Leading screw both ends are rotatably connected with pedestal, wherein one end of leading screw to
Extend outside base exterior and control handwheel is installed.
The advantages of the utility model and economic effect are：
Since the utility model uses above-mentioned technical proposal, by setting driving roller and driven roller in pedestal, and
And pass through the transmission of the power between two idler wheel of rack synchronous band so that the front wheels and rear wheels of electric vehicle can be with identical speed
It is rotated, so as to more really simulate driving condition of the electric vehicle on road surface.Furthermore, it is possible to it is inhaled by driving roller
The power of driving motor is received, the power that power motor of riding simulates bicyclist's pedal is absorbed by driven, it is achieved thereby that helping
Power measurement under force mode.In addition, by the drive mechanism of rack synchronous band, in a certain range adjusting master and slave idler wheel
At each different spacing after section, it can ensure tensioning of the rack synchronous with same degree so that adjust between driving and driven idler wheel
Distance no longer become influence belt tightness degree factor.
In addition the utility model is symmetricly set on the tensioning wheel of driving gear both sides, it can be achieved that increasing rack synchronous band with opening
The contact area of bearing up pulley, and then increase the frictional force to driving gear and tensioning wheel, use gear drive so as to fulfill in shortening
Band overall length and driving motor output work it is constant under the premise of, extend rack synchronous band service life, and save electric energy.
Description of the drawings
Fig. 1 is a kind of electric bicycle Testing Platform stereogram of the utility model；
Fig. 2 is the pedestal stereogram of the utility model；
Fig. 3 is the front view of Fig. 2；
Fig. 4 is the A-A cross-sectional views (not installing rack synchronous band) of Fig. 3；
Fig. 5 is the force analysis figure of double rollers detection method in the prior art；
The force analysis figure of single idler wheel detection method of Fig. 6 positions the utility model.
In figure：1- rides power motor；2- pedestals；3- driving rollers；4- driven rollers；5- driven gears；6- leading screws；7-
Rack synchronous band；8- turning rolls；9- driving gears；10- positions gear stand；11- controls handwheel；The first tensioning wheels of 12-；13-
First tensioning wheel；The second tensioning wheels of 14-；15- third tensioning wheels；16- adjusts sliding rail；17- positions gear；18- driving motors.
Specific embodiment
For that can further appreciate that the contents, features and effects of the utility model, the following examples are hereby given, and coordinates attached drawing
Detailed description are as follows.It should be noted that the present embodiment is descriptive, it is not limited, it is impossible to thus limit this practicality
Novel protection domain.
A kind of electric bicycle Testing Platform synchronous dynamic device, including pedestal 2, driving roller 3 and driven rolling
Wheel 4, wherein driving roller and driven roller spacing are adjustably mounted on chassis interior, and positioning gear 17 is equipped on pedestal；
Driving roller side is installed by driving motor 18, opposite side installation driving gear 9, driven roller side installation driven gear 5；Actively
The both sides of gear are equipped with multiple tensioning wheels, and driving gear, tensioning wheel, positioning gear and driven gear pass through rack synchronous band
7 are sequentially connected.
In said program, preferred technical solution is：Chassis interior, which is symmetrically installed with, adjusts sliding rail 16, the adjusting sliding rail
On be slidably fitted with turning rolls 8, and driving roller is rotatablely installed between two turning rolls；Driving electricity is fixedly mounted on the turning rolls of side
Machine is rotatablely equipped with multiple tensioning wheels on opposite side turning rolls, and the turning rolls bottom thread of the side is coated with leading screw 6.
In said program, preferred technical solution is：Leading screw both ends are rotatably connected with pedestal, wherein one end of leading screw to
Extend outside base exterior and control handwheel 11 is installed, handwheel can be controlled by rotation, and then turning rolls is controlled to be done on screw
Horizontal movement achievees the purpose that adjust driving roller and driven roller spacing.
In addition chassis interior is installed with positioning gear stand 10, and installation positioning tooth is rotated on the positioning gear stand
Wheel.Power motor 1 of riding for providing power of riding for electric vehicle is installed on pedestal.
The utility model is preferred, and a driving roller and a driven roller are only installed in pedestal.
The utility model is preferred, four tensioning wheels is rotatably installed on turning rolls, and tensioning wheel is symmetrically mounted on master
Moving gear both sides, the tensioning wheel are followed successively by the first tensioning wheel 12, the second tensioning wheel 13, by positioning gear to driven gear direction
Three tensioning wheels 14, the 4th tensioning wheel 15, wherein the second tensioning wheel and third tensioning wheel are optical axis wheel, the first tensioning wheel and the 4th
Bearing up pulley is gear, and rack synchronous band is wound from positioning gear top to the 4th tensioning wheel top, and through third tensioning wheel and the 4th
Tensioning wheel, which clamps, is driven backward third tensioning wheel lower part winding, then backward actively through third tensioning wheel and driving gear clamping transmission
Gear top is wound, and is then clamped through driving gear and the second tensioning wheel and is driven backward second tensioning wheel lower part winding, and after pass through
Second tensioning wheel and the first tensioning wheel, which clamp, to be driven backward first tensioning wheel top and winds, most afterwards through the first tensioning wheel top to from
Moving gear top is wound, and driven gear lower part is intertwined and connected with positioning gear lower part by rack synchronous band.
More clearly to describe specific embodiment of the present utility model, a kind of example is provided below：
The utility model was using Cheng Qian, needed first to measure the front and rear wheel distance between axles of electric vehicle, and then rotate control
Handwheel processed, the spacing and electric vehicle front and rear wheel spacing for adjusting driving and driven idler wheel are consistent；Further, by electric vehicle with
Front-wheel corresponds to driving roller, and the direction that trailing wheel corresponds to driven roller is carried out to pedestal, and by electric vehicle fixed position；In completion
After stating connection preparation, start driving motor, driving and driven idler wheel is driven to rotate by driving motor, and then drive the forward and backward of electric vehicle
Take turns synchronous rotary；Startup is ridden power motor, and synchro measure rides power motor and driving motor does work difference, and then accurately survey
Measure output power, electric vehicle integral damping and the battery of electric vehicle service life of electric vehicle itself assist motor.
The utility model is rotated, and single idler wheel with the forward and backward wheel for driving electric vehicle respectively with single driving and driven idler wheel
Axle center and axis wheel vertical colli piear (as shown in Figure 6), and driving and driven idler wheel of the prior art respectively there are two, and with
Wheel distribution (as shown in Figure 5) triangular in shape, is through the advantages of force analysis this programme：
Fig. 5 is synchronous dynamic device of the prior art, and G is expressed as wheel gravity in figure, and F and f is two idler wheels for vehicle
The skewed horizontal load power of wheel, F2With f2The respectively support force of two pair of rollers tires, sum of the two are wheel gravity G, F1With f1For rolling
Wheel is applied to wheel and marches forward the cross force of direction and direction of retreat, since the tire of electric vehicle is made of rubber flexible material,
Therefore F1With f1Size be difficult control, reciprocal jolt vibrations of the wheel to front and rear direction can be generated when the two is excessive, and shook
Conference increases F and the front and rear shock idler wheel of f, that is, wheel, and then the contact force of tire and idler wheel is made back and forth to change, so as to cause wheel
The transient changing of frictional force between idler wheel, even if there are extremely unstable for the contact point of the tire of this experimental bench detection and idler wheel
Frictional force is lost, the output done work difference and be not fully equal to electric vehicle oneself motor of cause to ride power motor and driving motor
Work(so that there are relatively large deviations with truthful data for detection data.
Fig. 6 is the synchronous dynamic device of the utility model, and G is expressed as wheel gravity in figure, and F3Wheel offer is provided
The master and slave eastern idler wheel of support force gives the support force of wheel, due to predominantly detecting data in detection process as power motor of riding
And driving motor does work difference, therefore the stiction of wheel and driving and driven roller surface should be reduced as possible, wheel is made to be revolved with idler wheel
The angular speed turned is identical, i.e., the idler wheel of the program can only give the upward support force of wheel, without giving wheel direction of advance
Or the cross force of direction of retreat, detection data is more close to test in laboratory perfect condition, so as to reduce other External force interferences,
The electric vehicle parameters that it is measured are more accurately and reliably.
It should be understood that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (3)
1. a kind of electric bicycle Testing Platform synchronous dynamic device, it is characterised in that：Including pedestal, driving roller and
Driven roller, wherein driving roller and driven roller spacing are adjustably mounted on chassis interior, and positioning tooth is equipped on pedestal
Wheel；The driving roller side is installed by driving motor, opposite side installation driving gear, driven roller side installation driven gear；
The both sides of the driving gear are equipped with multiple tensioning wheels, and driving gear, tensioning wheel, positioning gear and driven gear pass through tooth
The connection of toothed belt transmission.
2. a kind of electric bicycle Testing Platform synchronous dynamic device according to claim 1, it is characterised in that：
The chassis interior is symmetrically installed with adjusting sliding rail, turning rolls is slidably fitted on the adjusting sliding rail, and turn between two turning rolls
Dynamic installation driving roller；Driving motor is fixedly mounted on the side turning rolls, is rotatablely equipped on opposite side turning rolls more
A tensioning wheel, the turning rolls bottom thread of the side are coated with leading screw.
3. a kind of electric bicycle Testing Platform synchronous dynamic device according to claim 2, it is characterised in that：
The leading screw both ends are rotatably connected with pedestal, and wherein one end of leading screw extends outside base exterior and is equipped with control handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626526.6U CN207472580U (en) | 2017-11-29 | 2017-11-29 | Synchronous power device for electric bicycle performance test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626526.6U CN207472580U (en) | 2017-11-29 | 2017-11-29 | Synchronous power device for electric bicycle performance test platform |
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| Publication Number | Publication Date |
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| CN207472580U true CN207472580U (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721626526.6U Active CN207472580U (en) | 2017-11-29 | 2017-11-29 | Synchronous power device for electric bicycle performance test platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817115A (en) * | 2017-11-29 | 2018-03-20 | 天津铭志成科技有限责任公司 | Synchronous power device for electric bicycle performance test platform |
| CN108872773A (en) * | 2018-08-29 | 2018-11-23 | 天津铭志成科技有限责任公司 | Electric bicycle or light motorcycle detects with drenching water test platform |
-
2017
- 2017-11-29 CN CN201721626526.6U patent/CN207472580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817115A (en) * | 2017-11-29 | 2018-03-20 | 天津铭志成科技有限责任公司 | Synchronous power device for electric bicycle performance test platform |
| CN108872773A (en) * | 2018-08-29 | 2018-11-23 | 天津铭志成科技有限责任公司 | Electric bicycle or light motorcycle detects with drenching water test platform |
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