CN217969802U - Rear bridge type power-assisted motor system structure - Google Patents
Rear bridge type power-assisted motor system structure Download PDFInfo
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- CN217969802U CN217969802U CN202220969240.2U CN202220969240U CN217969802U CN 217969802 U CN217969802 U CN 217969802U CN 202220969240 U CN202220969240 U CN 202220969240U CN 217969802 U CN217969802 U CN 217969802U
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Abstract
The utility model discloses a rear axle type power-assisted motor system structure, including manpower actuating mechanism, reducing gear box, differential mechanism, electric drive mechanism and drive rear axle, manpower actuating mechanism sets up in the front of driving rear axle, and the reducing gear box sets up in the middle part of driving rear axle, is equipped with differential mechanism and electric drive mechanism in the reducing gear box, drive rear axle passes and is connected with it fixedly from the differential mechanism, and differential mechanism one side is connected with electric drive mechanism, and the opposite side is connected through manpower reduction gear subassembly and manpower drive mechanism, electric drive mechanism and manpower drive mechanism can drive the differential mechanism to rotate simultaneously, and the differential mechanism rotates and drives the rotation of drive rear axle; the utility model discloses a manpower is ridden, and the supplementary mode drive vehicle of motor gos forward, satisfies safe laborsaving demand of riding.
Description
Technical Field
The utility model belongs to the technical field of electric power tricycle, concretely relates to rear bridge type helping hand motor system structure.
Background
The tricycle is formed by reforming a bicycle, is a vehicle which can carry people and goods, and comprises a manpower tricycle and an electric tricycle. The manpower tricycle can only be driven by foot of a rider, is more strenuous to ride, has a slower speed, and is particularly suitable for heavy objects or road conditions. The electric tricycle is driven by electric power, has strong power and strong transportation capability, is more and more favored by the logistics industry for the convenience and quickness of goods delivery along with the vigorous development of the electronic commerce industry in recent years, and becomes the most commonly used transportation means for terminal delivery. The electric tricycle has the defects that the electric tricycle is limited by the electric quantity of a battery, once the electric quantity is exhausted in the transportation process, the electric tricycle is anchored on a half way, and a rider is difficult to go forward and backward; and the electric tricycle is difficult to accurately control the speed of the tricycle on a complex road section, and the risk of the electric tricycle is higher than that of a manual tricycle. In addition, many older or poor riders need to rely on the tricycle to go out, and between the dangerous but laborsaving electric tricycle and the safe but arduous manpower tricycle, these riders are difficult to decide, so the tricycle that has both advantages and high safety is urgently needed to appear.
Disclosure of Invention
To the problem and the technical demand, the utility model provides a rear axle formula helping hand motor system architecture installs on the drive rear axle of tricycle, adopts the manpower to ride, and the motor is supplementary the mode, satisfies safe laborsaving demand of riding.
The technical scheme of the utility model as follows: the utility model provides a rear axle formula helping hand motor system structure, includes manpower actuating mechanism, reducing gear box, differential mechanism, electric drive mechanism and drive rear axle, and manpower actuating mechanism sets up in drive rear axle the place ahead, and the reducing gear box sets up in drive rear axle middle part, is equipped with differential mechanism and electric drive mechanism in the reducing gear box, drive rear axle passes and rather than fixed connection from differential mechanism, and differential mechanism one side is connected with electric drive mechanism, and the opposite side is connected through manpower reduction gear subassembly and manpower actuating mechanism, electric drive mechanism and manpower actuating mechanism can drive differential mechanism simultaneously rotatory, and differential mechanism rotation drive rear axle is rotatory.
Among the above-mentioned scheme, differential mechanism drives the drive rear axle and rotates, makes the tricycle travel forward, and differential mechanism one side is connected with manpower drive mechanism, and the opposite side is connected with electric drive mechanism for differential mechanism can receive the drive power of these two mechanisms simultaneously, rides passerby and can select to adopt pure manpower or the mode of mixing the helping hand to ride according to the use scene, uses the flexibility stronger.
Furthermore, the manpower reduction gear assembly includes input gear and manpower output secondary gear of connecting in the reducing gear box through the bearing, and input gear and the meshing of manpower output secondary gear, manpower output secondary gear and differential mechanism meshing, the reducing gear box is stretched out to input gear's one end, and the tip that stretches out the case outside is equipped with flat position, installs the flywheel on the flat position. The flywheel rotates clockwise to drive the input gear to rotate clockwise, the input gear drives the manpower output secondary gear to rotate anticlockwise, the manpower output secondary gear drives the differential mechanism and the driving rear axle to rotate clockwise to advance forwards, the type of the flywheel is not limited to a single-speed flywheel, a multi-speed flywheel can be installed, the input gear is provided with an installation flat position, and the flywheel can be assembled and disassembled more conveniently.
Furthermore, the manual driving mechanism comprises a central shaft, a fluted disc and a chain, the fluted disc is fixedly sleeved on the central shaft, and the fluted disc is connected with the flywheel through the chain; both ends of the center shaft are respectively connected with pedals through crankshafts, and a torque sensor is arranged on the periphery of the center shaft.
Furthermore, the torque sensor is electrically connected with an external control system, and the control system receives a signal from the torque sensor and controls the operation of the electric drive mechanism.
Among the above-mentioned scheme, trample pedal drive bent axle and axis rotation when riding passerby, fluted disc and chain drive flywheel are rotatory, make the tricycle can adopt the human drive, at this in-process, it is different to ride passerby's the dynamics of trampling, cause centraxonial torsional deformation degree also different, and torque sensor can catch centraxonial slight deformation, and give external control system with this information transfer, control system just can judge the degree of exerting oneself of riding passerby, thereby the rotational speed of control motor, make motor output torque and manpower output torque directly proportional, reach the mesh of moment multiplication.
Furthermore, the electric driving mechanism comprises a stator, a rotor, a driving main shaft and an electric speed reduction gear assembly, the driving main shaft is connected in the reduction gearbox through a bearing, the rotor is fixedly wound on the periphery of the driving main shaft, and the stator is fixedly arranged in the reduction gearbox around the rotor; the driving main shaft is connected with the differential mechanism through an electric reduction gear assembly.
Furthermore, a first gear is fixedly arranged at the front end of the driving main shaft, the electric reduction gear assembly comprises a transition shaft, a second gear and a third gear which are arranged on the transition shaft, the first gear is meshed with the second gear, and the third gear is meshed with the differential mechanism.
Under the electrifying effect of the stator, the rotor drives the driving spindle to rotate, so that the first gear is driven to rotate clockwise, the first gear drives the second gear to rotate anticlockwise, the second gear drives the transition shaft and the third gear to rotate anticlockwise, and the third gear drives the differential mechanism to rotate clockwise, so that the tricycle moves forward.
Furthermore, a cooling fan is mounted at the rear end of the driving main shaft, and the cooling fan synchronously rotates along with the driving main shaft to cool the rotor and the stator.
Furthermore, two ends of the driving rear axle are respectively provided with a driving rear wheel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in connect manpower actuating mechanism and electric drive mechanism respectively in differential mechanism's both sides, when the person of riding adopts the manpower mode to step on pedal drive vehicle and go forward, torque sensor can receive people's output torque, and transmit this information to control system, is controlling electric drive mechanism by control system and makes its output and manpower positive correlation's electric output torque, thereby reaches the purpose of moment of torsion multiplication, under the condition of load and contrary wind climbing labour saving and time saving, step on the foot gently just can accelerate speed, stop stepping on and just stop automatically; in addition, when the battery power is exhausted, the vehicle can be driven to move forward only by adopting the manual driving mechanism, the risk of anchoring is avoided, when the vehicle is positioned in a dangerous road section, the power supply can be cut off through the control system, and the driving safety is ensured by manual driving. The vehicle adopting the structure can greatly and effectively increase the continuous mileage under the condition of the same power supply, prolong the service life of the battery, also can properly exercise the body and is more in accordance with the purpose of green trip.
Drawings
Fig. 1 is an overall structural diagram of a rear bridge type power-assisted motor system structure of the present invention;
FIG. 2 is a cross-sectional view structure of the interior of the reduction gearbox of the present invention;
labeled in the figure as: the manual driving mechanism 1, a middle shaft 11, a crankshaft 111, pedals 112, a fluted disc 12, a chain 13, a torque sensor 14, a manual reduction gear assembly 2, an input gear 21, a manual output secondary gear 22, a flywheel 23, a reduction gearbox 3, a differential 4, an electric driving mechanism 5, a stator 51, a rotor 52, a driving main shaft 53, a first gear 54, an electric reduction gear assembly 6, a transition shaft 61, a second gear 62, a third gear 63, a driving rear axle 7, a driving rear wheel 71 and a cooling fan 8.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-2 the utility model discloses rear axle formula helping hand motor system architecture, including manpower actuating mechanism 1, reducing gear box 3, differential mechanism 4, electric drive mechanism 5 and drive rear axle, manpower actuating mechanism 1 sets up in 7 the place ahead of drive rear axle, and reducing gear box 3 sets up in 7 middle parts of drive rear axle, is equipped with differential mechanism 4 and electric drive mechanism 5 in the reducing gear box 3, drive rear axle 7 passes and rather than fixed connection from differential mechanism 4, and a drive rear wheel 71 is respectively installed at the both ends of drive rear axle 7, and differential mechanism 4 is rotatory to drive the drive rear wheel 71 rotation at 7 both ends of drive rear axle, and driving vehicle traveles forward.
Differential 4 is connected through manpower reduction gear assembly 2 and manpower actuating mechanism 1, manpower reduction gear assembly 2 includes input gear 21 and manpower output secondary gear 22 of connecting in reducing gear box 3 through the bearing, input gear 21 and the meshing of manpower output secondary gear 22, the meshing of manpower output secondary gear 22 and differential 4, reducing gear box 3 is stretched out to input gear 21's one end, and stretches out the tip outside the case and be equipped with flat position, installs flywheel 23 on the flat position. The manual driving mechanism 1 comprises a middle shaft 11, a fluted disc 12 and a chain 13, wherein the fluted disc 12 is fixedly sleeved on the middle shaft 11, and the fluted disc 12 is connected with the flywheel 23 through the chain 13; two ends of the middle shaft 11 are respectively connected with pedals 112 through a crankshaft 111, and the periphery of the middle shaft 11 is also provided with a torque sensor 14.
The manual pedaling enables the middle shaft 11 to rotate clockwise, the fluted disc 12 and the chain 13 drive the rear flywheel 23 to rotate clockwise, the flywheel 23 drives the input gear 21 to rotate clockwise, the input gear 21 drives the manual output secondary gear 22 to rotate anticlockwise, the manual output secondary gear 22 drives the differential mechanism 4 and the driving rear axle 7 to rotate clockwise, and the driving rear axle moves forwards, wherein the type of the flywheel 23 is not limited to a single-speed flywheel, a multi-speed flywheel can also be installed, and the input gear 21 is provided with a flat installation position, so that the flywheel 23 can be assembled and disassembled more conveniently.
Differential 4 one side is connected with electric drive mechanism 5, electric drive mechanism 5 includes stator 51, rotor 52, drive main shaft 53 and electric power reduction gear assembly 6, and drive main shaft 53 passes through the bearing and connects in reducing gear box 3, and rotor 52 is fixed to be set up around drive main shaft 53 periphery, and stator 51 surrounds rotor 52 and fixedly sets up in reducing gear box 3, installs radiator fan 8 on the rear end of drive main shaft 53, and radiator fan 8 is along with drive main shaft 53 synchronous revolution, dispels the heat to rotor 52 and stator 51. The driving main shaft 53 is connected with the differential 4 through an electric reduction gear assembly 6, a first gear 54 is fixedly arranged at the front end of the driving main shaft 53, the electric reduction gear assembly 6 comprises a transition shaft 61, a second gear 62 and a third gear 63 which are arranged on the transition shaft 61, the first gear 54 is meshed with the second gear 62, and the third gear 63 is meshed with the differential 4.
The torque sensor 14 is electrically connected to an external control system, and the control system receives a signal from the torque sensor 14 and controls the operation of the electric drive mechanism 5.
The utility model discloses an action process divide into two kinds of modes:
manpower driving mode: the electric driving mechanism 5 does not work, a rider treads the pedal 112 to drive the crankshaft 111 and the middle shaft 11 to rotate, the fluted disc 12 and the chain 13 drive the flywheel 23 to rotate clockwise, the input gear 21 rotates clockwise, the input gear 21 drives the manpower output secondary gear 22 to rotate anticlockwise, the manpower output secondary gear 22 drives the differential 4 to rotate clockwise, the differential 4 drives the driving rear axle 7 and the driving rear wheels 71 at the two ends of the driving rear axle to rotate clockwise, and the vehicle travels forwards.
Hybrid boost mode: the rider tramples the pedal 112 to drive the crankshaft 111 and the central shaft 11 to rotate, the fluted disc 12 and the chain 13 drive the flywheel 23 to rotate, the torque sensor 14 can capture the torsion change of the central shaft 11 and transmit the information to an external control system, thereby the control system controls the rotating speed of the motor, the output torque of the motor is in direct proportion to the output torque of manpower, on the basis of the manpower drive, the electric drive mechanism 5 simultaneously drives the differential mechanism 4 to rotate, the rider only needs to trample the pedal 112 lightly to multiply the speed, and the vehicle is accelerated to run.
The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a rear bridge type booster motor system structure which characterized in that: including manpower actuating mechanism, reducing gear box, differential mechanism, electric drive mechanism and drive rear axle, manpower actuating mechanism sets up in drive rear axle the place ahead, and the reducing gear box sets up in the middle part of driving the rear axle, is equipped with differential mechanism and electric drive mechanism in the reducing gear box, drive rear axle passes and rather than fixed connection from differential mechanism, and differential mechanism one side is connected with electric drive mechanism, and the opposite side passes through manpower reduction gear subassembly and manpower drive mechanism and is connected, electric drive mechanism and manpower drive mechanism can drive differential mechanism simultaneously rotatory, and differential mechanism rotation drive rear axle is rotatory.
2. The structure of a rear bridge type booster motor system according to claim 1, wherein: the manpower reduction gear assembly comprises an input gear and a manpower output secondary gear which are connected in the reduction gearbox through bearings, the input gear is meshed with the manpower output secondary gear, the manpower output secondary gear is meshed with the differential, one end of the input gear extends out of the reduction gearbox, the end portion extending out of the gearbox is provided with a flat position, and a flywheel is installed on the flat position.
3. The structure of a rear bridge type booster motor system according to claim 2, wherein: the manual driving mechanism comprises a central shaft, a fluted disc and a chain, the fluted disc is fixedly sleeved on the central shaft, and the fluted disc is connected with the flywheel through the chain; the two ends of the middle shaft are respectively connected with pedals through crankshafts, and a torque sensor is arranged on the periphery of the middle shaft.
4. The structure of a rear bridge type booster motor system according to claim 3, wherein: the torque sensor is electrically connected with an external control system, and the control system receives signals from the torque sensor and controls the operation of the electric drive mechanism.
5. The structure of a rear bridge type booster motor system according to claim 1, wherein: the electric driving mechanism comprises a stator, a rotor, a driving main shaft and an electric speed reduction gear assembly, the driving main shaft is connected in the reduction gearbox through a bearing, the rotor is fixedly wound on the periphery of the driving main shaft, and the stator is fixedly arranged in the reduction gearbox around the rotor; the driving main shaft is connected with the differential mechanism through an electric reduction gear assembly.
6. The rear bridge type booster motor system structure of claim 5, characterized in that: the front end of the driving main shaft is fixedly provided with a first gear, the electric reduction gear assembly comprises a transition shaft, a second gear and a third gear, the second gear and the third gear are mounted on the transition shaft, the first gear is meshed with the second gear, and the third gear is meshed with a differential mechanism.
7. The structure of a rear bridge type booster motor system according to claim 6, wherein: and a cooling fan is arranged at the rear end of the driving main shaft and synchronously rotates along with the driving main shaft to cool the rotor and the stator.
8. The rear bridge type booster motor system structure of claim 1, characterized in that: and two ends of the driving rear axle are respectively provided with a driving rear wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220969240.2U CN217969802U (en) | 2022-04-25 | 2022-04-25 | Rear bridge type power-assisted motor system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220969240.2U CN217969802U (en) | 2022-04-25 | 2022-04-25 | Rear bridge type power-assisted motor system structure |
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| CN217969802U true CN217969802U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220969240.2U Active CN217969802U (en) | 2022-04-25 | 2022-04-25 | Rear bridge type power-assisted motor system structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537053A (en) * | 2024-01-10 | 2024-02-09 | 常州市佳博机械制造有限公司 | Differential output mechanism |
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2022
- 2022-04-25 CN CN202220969240.2U patent/CN217969802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537053A (en) * | 2024-01-10 | 2024-02-09 | 常州市佳博机械制造有限公司 | Differential output mechanism |
| CN117537053B (en) * | 2024-01-10 | 2024-04-19 | 常州市佳博机械制造有限公司 | Differential output mechanism |
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