CN203543558U - Integrated single-longitudinal-arm suspension wheel side electric-driving system with tensioning mechanism - Google Patents
Integrated single-longitudinal-arm suspension wheel side electric-driving system with tensioning mechanism Download PDFInfo
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- CN203543558U CN203543558U CN201320688148.XU CN201320688148U CN203543558U CN 203543558 U CN203543558 U CN 203543558U CN 201320688148 U CN201320688148 U CN 201320688148U CN 203543558 U CN203543558 U CN 203543558U
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- active synchronization
- arm body
- tensioning
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Abstract
The utility model discloses an integrated single-longitudinal-arm suspension wheel side electric-driving system with a tensioning mechanism. A driven synchronous pulley, a synchronous cog belt, a driving synchronous pulley, a motor, a swing arm shell, a tensioning arm body, a rotating hinge pin and a tensioning screw rod are of an integrated structure and form an integrated single-longitudinal-arm suspension wheel side reduction box assembly. The mass of the shell is reduced to a certain extent, and the integrated single-longitudinal-arm suspension wheel side reduction box assembly is hinged to a frame through elastic rubber hinges. The power transmission line of the motor comprises the driving pulley, the driven synchronous pulley, a driving shaft, a hub and a rim. The tensioning mechanism in synchronous belt transmission comprises the tensioning arm body, the motor, the driving synchronous pulley, a bearing, the swing arm shell, the rotating hinge pin and the tensioning screw rod. The integrated single-longitudinal-arm suspension wheel side electric-driving system with the tensioning mechanism has the advantages that lubrication and sealing are omitted due to the transmission of the synchronous cog belt, and thus the transmission efficiency is improved. The equivalent unsprung weight of an automobile is effectively reduced, the smoothness of the automobile and the wheel grounding property are improved, and the integrated single-longitudinal-arm suspension wheel side electric-driving system of the tensioning mechanism is simple in structure and convenient to install.
Description
Technical field
The utility model belongs to electric automobile chassis and transmission field, is specifically related to a kind of integrated single longitudenal arm suspension Timing Belt speed-reducing type wheel power drive system that has stretching device.
Background technology
Along with the continuous rise of electronlmobil, there is the drive form of multiple battery-driven car.The size of automobile unsprung weight directly has influence on ride of vehicle and wheel ground connection property.At present, wheel limit power drive system take electric drive wheel as representative because its drive system and complete vehicle structure are succinct, can utilize that space is large, driving efficiency is high, each drive wheel torque can independently be controlled, and is conducive to improve the rideability under severe pavement conditions and becomes study hotspot.But because motor is installed in drive wheel, automobile unsprung weight is larger, be unfavorable for automobile ride and wheel ground connection property.
For addressing this problem, main research direction has both at home and abroad at present: the highly integrated research of electric drive wheel electromechanical integration, the exploitation of high power density motor and the innovation of structure aspects etc.With regard to structure aspects, patent of invention 201110053092.6 has proposed one and has reduced simple pendulum arm suspension fork wheel edge power drive system equivalence unsprung weight structure and method, can effectively reduce the equivalent unsprung weight that the parts such as motor cause.
Summary of the invention
Technical problem to be solved in the utility model be to consider unsprung weight, slow down increase turn round and integrated basis on a kind of integrated single longitudenal arm suspension Timing Belt speed-reducing type wheel power drive system that has stretching device is proposed.
The technical solution adopted in the utility model is: a kind of integrated single longitudenal arm suspension fork wheel edge power drive system that has stretching device comprises wheel rim, brake clamp, brake disc, axle tube, wheel hub, hub bearing, axle drive shaft, bearing, driven synchronous pulley, synchronous cog belt, active synchronization belt wheel and axle, motor, tensioner arm body, rotating pin, tensioning screw, swing arm housing, elastic caoutchouc hinge, vehicle frame.Wherein, driven synchronous pulley, synchronous cog belt, active synchronization belt wheel and axle, motor, swing arm housing, tensioner arm body, rotating pin, tensioning screw are integrated, and form integrated single longitudenal arm suspension fork wheel edge deceleration box assembly; By structure optimization and light-weight design, obtained a kind of new swing arm housing structure form that meets structure and requirement of strength, housing quality has obtained necessarily alleviating.Described integrated single longitudenal arm suspension fork wheel edge deceleration box assembly cuts with scissors with vehicle frame hinged by elastic caoutchouc, and hub reduction casing when work can be take elastic caoutchouc hinge with vehicle frame hinge axes as axle swings around vehicle frame, there is suspension single longitudenal arm guide function and wheel reduction gear housing support function simultaneously.Motor is by being connected the integrated of realization and swing arm housing with tensioner arm body.Active synchronization belt wheel and active synchronization tape spool are made of one, and active synchronization belt wheel is connected with motor output shaft male splines by belt shaft female splines, driving belt pulley shaft two ends by bearings in tensioner arm body.Driving pulley is connected the transmission that realizes power with driven pulley by synchronous cog belt.Driven synchronous pulley is connected with axle drive shaft by flat key.Axle drive shaft is connected with wheel hub by spline, and final wheel hub is given wheel rim transmission of power, realizes the output of power.
In the utility model, described Timing Belt stretching device comprises tensioner arm body, motor, active synchronization belt wheel, bearing, swing arm housing, rotating pin, tensioning screw.The side plane of motor and tensioner arm body is solidly fixed by bolt, and active synchronization belt wheel is supported in tensioner arm body by bearings at both ends, and motor, tensioner arm body, active synchronization belt wheel and bearing set are dressed up integrated dynamic assembly.By rotating pin, connect swing arm housing and tensioner arm body, tensioning screw adopts and is threaded with swing arm housing, the lower end of tensioning screw contacts with tensioner arm body, by rotating tensioning screw, tensioning screw lower end drives tensioner arm body to swing around rotating pin together with relevant integrated dynamic assembly, thereby realizes the tensioning between synchronous pulley.
Swing arm housing described in the utility model, after structure optimization and light-weight design, has obtained a kind of new swing arm housing structure form that meets structure and requirement of strength, and housing quality has obtained necessarily alleviating, and is conducive to reduce automobile unsprung weight.
The utility model has the advantage of:
Synchronous Belt Drives has synchronous speed-reducing type wheel electric drive function, operates steadily, and noiseless, the advantage that transmitting ratio is constant.The efficiency of Synchronous Belt Drives is also higher than gear transmission, and its transmission width between centers is not subject to the restriction of belt wheel size.Synchronous Belt Drives is without being lubricated and sealing, the corresponding reduction of cost.
Synchronous Belt Drives, the relative gear transmission of the quality of transmission device own has larger reduction, can significantly reduce the centre distance of motor shaft and axletree, thereby make the equivalent barycenter of taking turns the integrated speed reduction gearing in limit near vehicle frame, be conducive to reducing of equivalent unsprung weight simultaneously.
Utilize Synchronous Belt Drives, saved lubricated and sealing, improved driving efficiency, effectively reduce unsprung weight, improved automobile ride and wheel ground connection property.By the swing arm housing of structure optimization and light-weight design, quality has obtained necessarily alleviating.Simple in structure, easy for installation, reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is stretching device structural representation of the present utility model;
Fig. 3 is swing arm housing structure schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, the utility model is further described.The utility model mainly comprises: 1. wheel rim; 2. brake clamp; 3. brake disc; 4. axle tube; 5. wheel hub; 6. axle drive shaft; 7. hub bearing; 8. bearing; 9. driven synchronous pulley; 10. synchronous cog belt; 11. active synchronization belt wheel and axles; 12. bearings; 13. tensioner arm bodies; 14. tensioning screws; 15. swing arm housings; 16. motors; 17. vehicle frames; 18. elastic caoutchouc hinges; 19. rotating pins.
In Fig. 1, wheel rim 1, brake disc 3 and wheel hub 5 are bolted with transferring power.Brake clamp 2 is mounted on axle tube 4, and axle tube 4 is bolted with swing arm housing 15.Hub bearing 7 is installed on outside wheel hub 5.Axle drive shaft 6 is connected with transferring power with wheel hub 5 by spline.Axle drive shaft 6 is supported on swing arm housing 15 by bearing 8.Driven synchronous pulley 9 adopts flat key to be connected with transferring power with axle drive shaft 6.Between active synchronization belt wheel and axle 11 and driven synchronous pulley 9, by synchronous cog belt 10, be connected.Motor 16 is connected with active synchronization belt shaft by spline.Active synchronization belt wheel and axle 11 are supported in tensioner arm body 13 by bearing 12.Driven synchronous pulley 9, synchronous cog belt 10, active synchronization belt wheel and axle 11, motor 16, swing arm housing 15, tensioner arm body 13, tensioning screw 14 are integrated, and form integrated single longitudenal arm suspension fork wheel edge deceleration box assembly; Described integrated single longitudenal arm suspension fork wheel edge deceleration box assembly cuts with scissors 18 hinged with vehicle frame 17 by elastic caoutchouc, can around elastic caoutchouc cut with scissors 18 with the axis oscillating that is connected of vehicle frame 17, serve as single longitudenal arm, have its guide function concurrently simultaneously.Power transmission line is: motor 16, active synchronization belt wheel and axle 11, driven synchronous pulley 9, axle drive shaft 6, wheel hub 5, wheel rim 1.
In Fig. 2, tensioner arm body 13, motor 16(are not shown in FIG.), active synchronization belt wheel and axle 11, bearing 12(be not shown in FIG.), swing arm housing 15, rotating pin 19, tensioning screw 14 formed stretching device jointly, motor 16 is solidly fixed by bolt with the side plane of tensioner arm body 13, active synchronization belt wheel and axle 11 are supported in tensioner arm body 13 by bearings at both ends 12, and motor 16, tensioner arm body 13, active synchronization belt wheel and axle 11 and bearing 12 are assembled into integrated dynamic assembly.By rotating pin 19, connect swing arm housing 15 and tensioner arm body 13, tensioning screw 14 adopts and is threaded with swing arm housing 15, the lower end of tensioning screw 14 contacts with tensioner arm body 13, by rotating tensioning screw 14, tensioning screw 14 lower ends drive tensioner arm body 13 to swing around rotating pin 19 together with relevant integrated dynamic assembly, thereby realize the tensioning between synchronous pulley.
Fig. 3 is the structural representation of swing arm housing 15 used, and by structure optimization and light-weight design, its basic profile as shown in the figure.
Adopt after structure optimization and light-weight design, obtained a kind of new swing arm housing structure form that meets structure and requirement of strength, housing quality has obtained necessarily alleviating, and is conducive to reduce automobile unsprung weight.
Adopt Synchronous Belt Drives to have to operate steadily, noiseless, without advantages such as lubricated and sealings, reduced relevant manufacturing cost.
Adopt Synchronous Belt Drives, width between centers is not subject to the restriction of belt wheel size, can effectively make the barycenter of motor as far as possible near vehicle frame simultaneously, effectively reduces unsprung weight, has improved ride comfort and the ground connection property of automobile.
The stretching device adopting, simple in structure, easy for installation, reliable, can effectively regulate the size of synchronous pulley tensile force.
The elastic element of this suspension can adopt coil spring or torsion bar spring.
This integrated wheel limit drive system can be used for non-wheel flutter, complete use.
Claims (2)
1. one kind has the integrated single longitudenal arm suspension fork wheel edge power drive system of stretching device, comprise wheel rim, brake clamp, brake disc, axle tube, wheel hub, axle drive shaft, hub bearing, bearing, driven synchronous pulley, synchronous cog belt, active synchronization belt wheel, tensioner arm body, tensioning screw, swing arm housing, motor, vehicle frame, elastic caoutchouc hinge, rotating pin, it is characterized in that: driven synchronous pulley, synchronous cog belt, active synchronization belt wheel, motor, swing arm housing, tensioner arm body, tensioning screw is integrated, form the integrated hub reduction box assembly of single longitudenal arm suspension swing arm, tensioner arm body, swing arm housing, rotating pin, tensioning screw have formed the stretching device of synchronous pulley jointly, active synchronization belt wheel and active synchronization axle are made of one, active synchronization belt wheel is connected with motor output shaft male splines by active synchronization belt shaft female splines, motor power is delivered to wheel rim by active synchronization belt wheel, driven synchronous pulley, axle drive shaft, wheel hub, realizes the output of power.
2. a kind of integrated single longitudenal arm suspension fork wheel edge power drive system that has stretching device according to claim 1, it is characterized in that: tensioner arm body, motor, active synchronization belt wheel, bearing, swing arm housing, rotating pin and tensioning screw, the side plane of motor and tensioner arm body is solidly fixed by bolt, active synchronization belt wheel is supported in tensioner arm body by bearings at both ends, and motor, tensioner arm body, active synchronization belt wheel and bearing set are dressed up integrated dynamic assembly; By rotating pin, connect swing arm housing and tensioner arm body, tensioning screw adopts and is threaded with swing arm housing, the lower end of tensioning screw contacts with tensioner arm body, by rotating tensioning screw, tensioning screw lower end drives tensioner arm body to swing around rotating pin together with relevant integrated dynamic assembly, thereby realizes the tensioning between synchronous pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688148.XU CN203543558U (en) | 2013-11-04 | 2013-11-04 | Integrated single-longitudinal-arm suspension wheel side electric-driving system with tensioning mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688148.XU CN203543558U (en) | 2013-11-04 | 2013-11-04 | Integrated single-longitudinal-arm suspension wheel side electric-driving system with tensioning mechanism |
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| CN203543558U true CN203543558U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320688148.XU Expired - Fee Related CN203543558U (en) | 2013-11-04 | 2013-11-04 | Integrated single-longitudinal-arm suspension wheel side electric-driving system with tensioning mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614381A (en) * | 2015-02-16 | 2015-05-13 | 无锡力优医药自动化技术有限公司 | Main shaft driving assembly for transfusion plastic bottle full-automatic light inspection machine |
| CN105305714A (en) * | 2015-11-11 | 2016-02-03 | 无锡市星伟车辆配件有限公司 | Center motor assembly for electric vehicle or electric motorcycle |
-
2013
- 2013-11-04 CN CN201320688148.XU patent/CN203543558U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614381A (en) * | 2015-02-16 | 2015-05-13 | 无锡力优医药自动化技术有限公司 | Main shaft driving assembly for transfusion plastic bottle full-automatic light inspection machine |
| CN104614381B (en) * | 2015-02-16 | 2017-06-27 | 无锡力优医药自动化技术有限公司 | The main shaft drives component of transfusion plastic bottle full automatic lamp detecting machine |
| CN105305714A (en) * | 2015-11-11 | 2016-02-03 | 无锡市星伟车辆配件有限公司 | Center motor assembly for electric vehicle or electric motorcycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140416 Termination date: 20211104 |