CN109823164B - Narrow independent driving two-wheeled vehicle - Google Patents
Narrow independent driving two-wheeled vehicle Download PDFInfo
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- CN109823164B CN109823164B CN201910232209.3A CN201910232209A CN109823164B CN 109823164 B CN109823164 B CN 109823164B CN 201910232209 A CN201910232209 A CN 201910232209A CN 109823164 B CN109823164 B CN 109823164B
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- wheeled vehicle
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- 238000013016 damping Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The application discloses a narrow independent driving two-wheeled vehicle, and relates to the technical field of vehicles. The two-wheel vehicle comprises a chassis, a vehicle body, a steering system, a braking system and a control system, driving wheels are arranged on the left side and the right side of the chassis, a hub motor is arranged on the driving wheels, a position sensor is used for sensing position information of a brake pedal, when the brake pedal is stepped down to exceed a preset position, the first brake wheel and the second brake wheel are contacted with a road surface to perform friction braking on the two-wheel vehicle, meanwhile, the position sensor sends a position signal to the control system, a control system controls a power supply module to cut off forward current and charge reverse current to the hub motor, and the two-wheel vehicle is braked together by charging the reverse current to the hub motor and the brake wheel; after braking is completed, the first connecting rod and the second connecting rod return under the action of the return spring. The two-wheeled vehicle has the advantages of being strong in flexibility, high in safety, high in stability and the like.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a narrow independent driving two-wheeled vehicle.
Background
With the continuous development of modern society, the life rhythm is continuously accelerated, and automobiles gradually become mainstream riding tools. The existing four-wheel automobile consumes more oil, causes resource waste, is unfavorable for environmental protection, occupies larger area and has poorer flexibility. The prior art is generally a bicycle, a motorcycle or an electric bicycle, and the two wheels are in front of and behind each other, so that the balance and the stability of the bicycle are poor, and particularly, the bicycle is easy to fall down when a beginner or an emergency occurs in the running process, so that the safety of passengers or pedestrians is not facilitated.
Disclosure of Invention
The technical problem to be solved by the application is how to provide a narrow independent driving two-wheel vehicle with flexible control, central steering and high braking speed.
In order to solve the technical problems, the application adopts the following technical scheme: the utility model provides a narrow independent drive two-wheeled vehicle, includes chassis, automobile body, steering system, braking system and control system, its characterized in that: the left and right sides of the chassis are provided with driving wheels, the driving wheels are provided with hub motors, the hub motors are fixedly connected with the chassis through suspension springs, the power output ends of the hub motors are fixedly connected with the axle centers of the driving wheels, the control ends of the hub motors are respectively connected with the control signal output ends of a control system, the control system controls the hub motors by controlling the current magnitude and direction of the hub motors, the brake system comprises a brake wheel assembly and a pedal position sensor, the brake wheel assembly comprises a brake pedal, the lower end of the brake pedal is connected with a first connecting rod, the left end of the first connecting rod is connected with a first brake wheel, the right side of the first connecting rod is connected with the chassis through a first support, the first connecting rod is rotatably connected with the first support, the right end of the first connecting rod is provided with a second connecting rod, the left end of the second connecting rod is fixedly provided with a first connecting plate and a second connecting plate, strip holes are formed in the first connecting plate and the second connecting plate, the right end of the first connecting rod is inserted into a space between the first connecting plate and the second connecting plate, transmission columns on the front side and the rear side of the first connecting rod are inserted into the strip holes of the corresponding connecting plates, the left side of the second connecting rod is connected with a chassis through a second support, the second connecting rod is rotatably connected with the second support, the right end of the second connecting rod is provided with a second brake wheel, the upper surface of the right end of the first connecting rod is provided with a return spring, one end of the return spring is fixedly connected with the first connecting rod, the other end of the return spring is fixedly connected with the chassis, and the position sensor is used for sensing the position information of the brake pedal, when the brake pedal is stepped on to exceed a preset position, the first brake wheel and the second brake wheel are contacted with a road surface to carry out friction braking on the two-wheel vehicle, meanwhile, the position sensor sends a position signal to the control system, the control system controls the power supply module to cut off forward current and charge reverse current to the wheel hub motor, and the two-wheel vehicle is braked by charging reverse current and the brake wheel to the wheel hub motor together; after braking is completed, the first connecting rod and the second connecting rod return under the action of the return spring, and the first braking wheel and the second braking wheel are separated from the ground.
The further technical proposal is that: the control system comprises a speed sensor, wherein a signal output end of the speed sensor is connected with a signal input end of the control system and is used for sensing the speed of the two-wheeled vehicle, and when the sensed speed is lower than a set threshold value in the braking process, the control system cuts off the reverse current of the hub motor.
The further technical proposal is that: the driving wheel has a lower height than when the driver sits on the saddle of the two-wheeled vehicle, so that the driver can observe the view of the left and right sides of the two-wheeled vehicle through the windows.
The further technical proposal is that: the power supply system, the power system and the seat system in the two-wheeled vehicle are arranged close to the chassis of the two-wheeled vehicle, so that the gravity center of the chassis and the load of the two-wheeled vehicle is arranged on the lower side of the wheel axle of the two-wheeled vehicle.
The further technical proposal is that: the chassis is provided with four groups of vertical upward damping springs, the lower ends of the damping springs are connected with the side plates of the hub motor, and the upper ends of the damping springs are connected with the protrusions on the upper parts of vertical shafts of the vehicle body.
The further technical proposal is that: the first brake wheel and the second brake wheel are rubber wheels with damping mechanisms.
The further technical proposal is that: the steering system inputs different currents to the two hub motors through the steering wheel angular displacement sensor and the control module so that the rotation speeds of the two motors are different to realize steering.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: the two-wheeled vehicle has smaller body, small volume and flexible running, and can realize in-situ center steering; the gravity center of the two-wheel vehicle is lower, so that the two-wheel vehicle runs more stably; the friction force between the two-wheel vehicle and the ground is increased through the first braking wheel and the second braking wheel in the braking process, and the wheel is slowed down through supplying reverse current to the hub motor, so that the braking speed is higher, the braking distance is shorter, and the safety is higher. The brake wheels are arranged on the front side and the rear side (relative to the running direction) of the bicycle body, so that the bicycle can be effectively prevented from turning over in the braking process, and the running safety and stability of the bicycle are improved. In addition, the structure of the two-wheeled vehicle is simpler, so that the manufacturing cost is reduced, and the energy consumption is reduced.
Drawings
The application will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a two-wheeled vehicle according to an embodiment of the present application;
FIG. 2 is a schematic view of a two-wheeled vehicle according to an embodiment of the present application;
FIG. 3 is a schematic view of a brake wheel assembly in a two-wheeled vehicle according to an embodiment of the present application;
wherein: 1. a chassis; 2. a steering system; 3. a driving wheel; 4. a hub motor; 5. a brake pedal; 6. a first link; 7. a first brake wheel; 8. a first support; 9. a second link; 10. a first connection plate; 11. a second connecting plate; 12. a drive column; 13. a second support; 14. a second brake wheel; 15. a return spring; 16. a saddle; 17. and a damping spring.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
As shown in fig. 1-2, the embodiment of the application discloses a narrow independent driving two-wheeled vehicle, which comprises a chassis 1, a vehicle body, a steering system 2, a braking system and a control system. The left and right sides of chassis 1 is provided with drive wheel 3, be provided with in-wheel motor 4 on the drive wheel 3, in-wheel motor 4 with chassis 1 passes through suspension spring fixed connection, in-wheel motor 4's power take off end with the axle center fixed connection of drive wheel 3. The control end of the wheel hub motor 4 is respectively connected with the control signal output end of the control system, the control system controls the wheel hub motor by controlling the current of the wheel hub motor 4 and the current direction, and further controls the steering by controlling the current difference of the left wheel hub motor and the right wheel hub motor, so that the two-wheel vehicle can realize in-situ steering, and the use is more convenient.
The brake system comprises a brake wheel assembly and a pedal position sensor, as shown in fig. 3, the brake wheel assembly comprises a brake pedal 5, the lower end of the brake pedal 5 is connected with a first connecting rod 6, the left end of the first connecting rod 6 is connected with a first brake wheel 7, the right side of the first connecting rod 6 is connected with the chassis 1 through a first support 8, and the first connecting rod 6 is rotatably connected with the first support 8. The right-hand member of first connecting rod 6 is provided with second connecting rod 9, the left end of second connecting rod 9 is fixed with first connecting plate 10 and second connecting plate 11, be provided with rectangular hole on first connecting plate 10 and the second connecting plate 11. The right end of the first connecting rod 6 is inserted into the space between the first connecting plate 10 and the second connecting plate 11, the transmission columns 12 on the front side and the rear side of the first connecting rod 6 are inserted into the strip holes of the corresponding connecting plates, the left side of the second connecting rod 9 is connected with the chassis 1 through the second support 13, and the second connecting rod 9 is rotatably connected with the second support 13.
The right end of the second connecting rod 9 is provided with a second brake wheel 14, the upper surface of the right end of the first connecting rod 6 is provided with a return spring 15, one end of the return spring 15 is fixedly connected with the first connecting rod 6, and the other end of the return spring 15 is fixedly connected with the chassis 1. The position sensor is used for sensing position information of the brake pedal 5, when the brake pedal 5 is stepped on to exceed a preset position, the first brake wheel 7 and the second brake wheel 14 are in contact with a road surface to brake the two-wheel vehicle, and when the brake pedal 5 is stepped on, the left end of the first connecting rod 6 is lowered, the right end of the first connecting rod is raised, and then the first connecting rod drives the left end of the second connecting rod to be raised, the right end of the second connecting rod is lowered, so that the first brake wheel 7 and the second brake wheel 14 are in contact with the road surface; when the brake wheel brakes, the position sensor sends a position signal to the control system, the control system controls the power supply module to supply reverse current to the hub motor, and the two-wheel vehicle is braked by supplying the reverse current to the hub motor and the brake wheel together; after braking is completed, the first connecting rod 6 and the second connecting rod 9 return under the action of the return spring 15, and the first brake wheel 7 and the second brake wheel 14 are separated from the ground.
The friction force between the two-wheel vehicle and the ground is increased through the first braking wheel and the second braking wheel in the braking process, and the wheel is slowed down through supplying reverse current to the hub motor, so that the braking speed is higher, the braking distance is shorter, and the safety is higher.
Further, the control system comprises a speed sensor, a signal output end of the speed sensor is connected with a signal input end of the control system and is used for sensing the speed of the two-wheeled vehicle, when the sensed speed is lower than a set threshold value in the braking process, the control system cuts off the reverse current of the hub motor 4, and the reverse current can be timely cut off to effectively prevent the driving wheel 3 from reversing, so that the driving safety and reliability of the two-wheeled vehicle are improved.
Further, the driving wheel 3 is lower in height than when the driver sits on the saddle 16 of the two-wheeled vehicle, so that the driver can observe the view of the left and right sides of the two-wheeled vehicle through the windows. The power supply system, the power system and the seat system in the two-wheel vehicle are arranged close to the chassis 1 of the two-wheel vehicle, so that the gravity center of the two-wheel vehicle is arranged on the lower side of the wheel shaft of the two-wheel vehicle.
Further, four groups of damping springs 17 which are vertically upwards are arranged on the chassis 1, the lower ends of the damping springs 17 are connected with the side plates of the wheel hub motor, the upper ends of the damping springs 17 are fixedly connected with the protrusions on the upper portion of the vertical shaft of the vehicle body, a certain impact force can be relieved through the damping springs, and the driving comfort of the two-wheeled vehicle is improved. Preferably, the first brake wheel 7 and the second brake wheel 14 are rubber wheels with damping mechanisms, and the brake assembly can be made simpler by using rubber wheels with damping mechanisms. In addition, by arranging the brake wheels on the front side and the rear side (relative to the running direction) of the bicycle body, the bicycle can be effectively prevented from turning over in the braking process, and the running safety and stability of the bicycle are further improved.
Claims (5)
1. The utility model provides a narrow independent drive two-wheeled vehicle, includes chassis (1), automobile body, steering system (2), braking system and control system, its characterized in that: the left side and the right side of the chassis (1) are provided with driving wheels (3), the driving wheels (3) are provided with hub motors (4), the hub motors (4) are connected with the chassis (1) through suspension springs, the power output ends of the hub motors (4) are fixedly connected with the axle centers of the driving wheels (3), the control ends of the hub motors (4) are respectively connected with the control signal output ends of a control system, the control system controls the hub motors by controlling the current magnitude and direction of the hub motors (4), the brake system comprises a brake wheel assembly and a pedal position sensor, the brake wheel assembly comprises a brake pedal (5), the lower end of the brake pedal (5) is connected with a first connecting rod (6), the left end of the first connecting rod (6) is connected with a first brake wheel (7), the right side of the first connecting rod (6) is connected with the chassis (1) through a first support (8), the first connecting rod (6) is rotatably connected with the first support (8), the right end of the first connecting rod (6) is provided with a first connecting plate (10), the first connecting plate (10) is provided with a second connecting plate (10), the left end of the first connecting plate (10) is provided with a connecting plate (10), the right end of the first connecting rod (6) is inserted into a space between the first connecting plate (10) and the second connecting plate (11), a transmission column (12) at the front side and the rear side of the first connecting rod (6) is inserted into a strip hole of the corresponding connecting plate, the left side of the second connecting rod (9) is connected with the chassis (1) through a second support (13), the second connecting rod (9) is rotatably connected with the second support (13), the right end of the second connecting rod (9) is provided with a second brake wheel (14), the upper surface of the right end of the first connecting rod (6) is provided with a return spring (15), one end of the return spring (15) is fixedly connected with the first connecting rod (6), the other end of the return spring (15) is fixedly connected with the chassis (1), the position sensor is used for sensing position information of the brake pedal (5), when the brake pedal (5) is stepped on beyond a preset position, the first brake wheel (7) and the second brake wheel (7) are rotatably connected with the second support (13) and the second brake wheel (14) are rotatably connected with the motor, and simultaneously the second brake wheel (7) are in contact with the wheel hub to control current, and the two-wheel control system is in a forward direction and a reverse direction, and a current is simultaneously conducted to the wheel hub control system through the two-wheel control system; after braking is completed, the first connecting rod (6) and the second connecting rod (9) return under the action of the return spring (15), and the first braking wheel (7) and the second braking wheel (14) are separated from the ground;
the control system comprises a speed sensor, wherein the signal output end of the speed sensor is connected with the signal input end of the control system and is used for sensing the speed of the two-wheeled vehicle, and when the sensed speed is lower than a set threshold value in the braking process, the control system cuts off the reverse current of the hub motor (4); the steering system inputs different currents to the two hub motors through the steering wheel angular displacement sensor and the control module so that the rotation speeds of the two motors are different to realize steering.
2. The narrow body independent driving two-wheeled vehicle of claim 1, wherein: the driving wheel (3) has a lower height than when the driver sits on the saddle (16) of the two-wheeled vehicle, so that the driver can observe the view of the left and right sides of the two-wheeled vehicle through the windows.
3. The narrow body independent driving two-wheeled vehicle of claim 1, wherein: the power supply system, the power system and the seat system in the two-wheeled vehicle are arranged close to the chassis (1) of the two-wheeled vehicle, so that the gravity center of the chassis and the load of the two-wheeled vehicle is arranged on the lower side of the wheel axle of the two-wheeled vehicle.
4. The narrow body independent driving two-wheeled vehicle of claim 1, wherein: four groups of damping springs (17) which are vertically upwards are arranged on the chassis (1), the lower ends of the damping springs (17) are connected with the side plates of the hub motor, and the upper ends of the damping springs (17) are connected with the protrusions on the upper parts of the vertical shafts of the vehicle body.
5. The narrow body independent driving two-wheeled vehicle of claim 1, wherein: the first brake wheel (7) and the second brake wheel (14) are rubber wheels with damping mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232209.3A CN109823164B (en) | 2019-03-26 | 2019-03-26 | Narrow independent driving two-wheeled vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232209.3A CN109823164B (en) | 2019-03-26 | 2019-03-26 | Narrow independent driving two-wheeled vehicle |
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| Publication Number | Publication Date |
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| CN109823164A CN109823164A (en) | 2019-05-31 |
| CN109823164B true CN109823164B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910232209.3A Active CN109823164B (en) | 2019-03-26 | 2019-03-26 | Narrow independent driving two-wheeled vehicle |
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| CN (1) | CN109823164B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110239353A (en) * | 2019-07-03 | 2019-09-17 | 叶洪蔚 | A kind of rail-based conveyor system non-model control mode brake appts |
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| US9376141B1 (en) * | 2015-04-09 | 2016-06-28 | Dongfeng Shi | Steering apparatus with multi-steering modes |
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| WO2017162125A1 (en) * | 2016-03-21 | 2017-09-28 | 深圳市踏路科技有限公司 | Four-wheel balance scooter based on gravity center detection |
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- 2019-03-26 CN CN201910232209.3A patent/CN109823164B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB226938A (en) * | 1923-11-20 | 1925-01-08 | William Thomas Carling | Improvements relating to brakes for mechanically propelled vehicles |
| CN2487631Y (en) * | 2001-04-02 | 2002-04-24 | 丁兆云 | Wheelbarrow with steering wheel, braking wheel, balance wheel and transmitting wheel |
| DE20320982U1 (en) * | 2002-12-23 | 2005-07-28 | Djelic-Möschlin, Carmen | Eccentric and/or rocking device for transformation of linear into rotary movements, for ships, motor vehicles, aircraft, etc. to utilise gravity to replace energy already consumed |
| CN2646020Y (en) * | 2003-08-08 | 2004-10-06 | 封明信 | Electricity-generating three-wheel electric vehicle |
| WO2007053559A2 (en) * | 2005-11-01 | 2007-05-10 | Textron Inc. | Modular pedal box assembly |
| CN101428663A (en) * | 2007-11-08 | 2009-05-13 | 黄泽溥 | Vehicle without shaft |
| JP2011162161A (en) * | 2010-02-15 | 2011-08-25 | Toyota Motor Corp | Moving body and controlling method therefor |
| CN103961860A (en) * | 2014-05-07 | 2014-08-06 | 杭州电子科技大学 | Foot-controlled type electric scooter |
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| CN109823164A (en) | 2019-05-31 |
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