CN112510915A - Motor with middle-arranged coaxial structure in forward and reverse rotation driving mode - Google Patents
Motor with middle-arranged coaxial structure in forward and reverse rotation driving mode Download PDFInfo
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- CN112510915A CN112510915A CN202011516172.6A CN202011516172A CN112510915A CN 112510915 A CN112510915 A CN 112510915A CN 202011516172 A CN202011516172 A CN 202011516172A CN 112510915 A CN112510915 A CN 112510915A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D43/16—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with clutching members having interengaging parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D47/00—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings
- F16D47/04—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings of which at least one is a freewheel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/70—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H2003/447—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the set of orbital gears and the output
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02008—Gearboxes; Mounting gearing therein characterised by specific dividing lines or planes of the gear case
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02034—Gearboxes combined or connected with electric machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02065—Gearboxes for particular applications for vehicle transmissions for motorcycles or squads
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a forward and reverse rotation driving mode coaxial structure centrally-mounted motor, which comprises a box body, a left side cover, a right side cover, a motor shaft, a forward and reverse rotation driving assembly, a planetary speed reducing mechanism and a double clutch system, wherein a partition plate is arranged on the box body, a containing cavity is divided into a first cavity and a second cavity by the partition plate, the forward and reverse rotation driving assembly is positioned in the first cavity, the planetary speed reducing mechanism and the double clutch system are positioned in the second cavity, one side of the planetary speed reducing mechanism is fixed on the partition plate, the double clutch system is matched with the left side cover, the planetary speed reducing mechanism is detachably connected with the double clutch system, and the planetary speed reducing mechanism and the double clutch system are sleeved on the motor shaft and are coaxially arranged with the forward. According to the invention, through controlling the forward rotation and the reverse rotation of the forward and reverse rotation driving assembly and matching with the transmission connection of the double-clutch system and the planetary reduction mechanism, the collision impact caused by the rotation speed difference of the double-clutch system is avoided, the output use efficiency of the motor is improved, and the comfort performance of the riding experience of a customer is improved.
Description
Technical Field
The invention relates to a speed reducing motor, in particular to a coaxial structure middle-mounted motor in a forward and reverse rotation driving mode.
Background
The rear-mounted hub motor for the electric motorcycle and the electric light motorcycle in the prior art has the following problems in the use process: 1. the current hub motor has large current of a main loop of an electric system of the whole vehicle when starting and climbing, and large power consumption, and influences the continuous mileage of the whole vehicle; 2. the motor is insufficient in power, climbing is blocked, and riding comfort is affected; 3. when the motor climbs a slope, the motor efficiency is low, the power consumption is large, and the continuous mileage of the whole vehicle is influenced.
Therefore, the motor for the electric motorcycle and the electric scooter is to be further improved.
Disclosure of Invention
The invention provides a novel middle-mounted motor with a coaxial structure in a forward and reverse rotation driving mode, aiming at the defects of large power consumption, insufficient climbing power and the like of hub motors of electric motorcycles and electric light motorcycles in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a middle motor with a coaxial structure in a forward and reverse rotation driving mode comprises a box body, a left side cover, a right side cover, a motor shaft and a forward and reverse rotation driving assembly, wherein two ends of the box body are respectively matched with the left side cover and the right side cover to form a containing cavity, the forward and reverse rotation driving assembly is fixedly arranged on the inner wall of the right side cover, the motor shaft penetrates through the left side cover and is matched with the forward and reverse rotation driving assembly, the middle motor further comprises a planetary speed reducing mechanism and a double clutch system, a partition plate is arranged on the box body and divides the containing cavity into a first cavity and a second cavity, the forward and reverse rotation driving assembly is positioned in the first cavity, the planetary speed reducing mechanism and the double clutch system are positioned in the second cavity, one side of the planetary speed reducing mechanism is fixed on the partition plate, the double clutch system is matched with the left side cover, and the planetary speed reducing mechanism is detachably connected with the double clutch system, the planetary reduction mechanism and the double-clutch system are sleeved on the motor shaft and are coaxially arranged with the forward and reverse rotation driving assembly.
In the structure of the motor arranged in the coaxial structure, the box body, the left cover and the right cover are matched with each other to form the accommodating cavity of the motor. The forward and reverse rotation driving assembly is used for outputting forward rotation or reverse rotation power and transmitting the power to the motor shaft to realize speed change control. The planetary reduction mechanism and the double-clutch system can output the rotating speed of the motor shaft after speed change. The planetary reduction mechanism, the double-clutch system and the forward and reverse rotation driving assembly are coaxially arranged, so that power can be transmitted more accurately.
The invention can meet the requirements of the motor in the coaxial structure on power and speed in starting and uphill states by controlling the forward and reverse rotation of the forward and reverse rotation driving component and matching with the transmission connection of the double-clutch system and the planetary reduction mechanism. In addition, through the control of just reversing the positive and negative rotation of drive assembly, the collision impact that the rigid structure spare of having also effectively avoided two separation and reunion systems arouses because of the difference in rotational speed has realized the steady transition between the low-speed big power of whole car to the high-speed low power, also reduces the consumption of putting the motor in coaxial arrangement under the different states of riding simultaneously, improves the output availability factor of motor, effectively promotes the continuous mileage of whole car, promotes the comfort performance that the customer experienced of riding.
In addition, can add cooling insulation oil in the first cavity, can add in the second cavity and be equipped with cooling lubricating oil, can put the temperature rise of each inside subassembly of motor in quick effectual reduction coaxial structure, promote the motor quality, increase of service life improves the experience of riding.
Preferably, the central motor with a coaxial structure in a forward and reverse rotation driving mode includes a sun gear, a planet gear positioning shaft, a planet carrier, an inner gear ring, and a gear ring carrier, the sun gear is annularly sleeved on the motor shaft and is connected to the motor shaft through a key for limiting, the planet gear is respectively engaged with the sun gear and the inner gear ring, the planet carrier is fixed on the partition plate, one end of the planet gear positioning shaft is engaged with the planet carrier, the planet gear positioning shaft is rotatably connected with the planet gear, the gear ring carrier is rotatably connected with the motor shaft, and the inner gear ring is engaged with the gear ring carrier.
The sun wheel is sleeved on the motor shaft in a ring mode, so that synchronous rotation with the motor shaft can be achieved, and power can be transmitted in real time. The planet support is fixed on the partition plate and plays a role in supporting the planet wheel positioning shaft. Through the meshing among the planet wheel, the sun wheel, the inner gear ring and the gear ring support, the power transmission from the sun wheel to the gear ring support is realized, and a larger reduction ratio can be obtained to obtain larger output power.
Preferably, the double-clutch system includes a centrifugal clutch inner ring, an overrunning clutch inner ring, and an overrunning clutch outer ring, the centrifugal clutch inner ring is sleeved on the motor shaft, the overrunning clutch outer ring is detachably connected to the gear ring support, a first pawl is disposed on an outer edge of the centrifugal clutch inner ring, a first ratchet is disposed on an inner edge of the overrunning clutch inner ring, the first pawl is matched with the first ratchet, a second pawl is disposed on an outer edge of the overrunning clutch inner ring, a second ratchet is disposed on an inner edge of the overrunning clutch outer ring, and the second pawl is matched with the second ratchet.
The inner ring of the centrifugal clutch is sleeved on the motor shaft to realize synchronous rotation with the motor shaft. The outer ring of the overrunning clutch is detachably connected with the gear ring support, so that the overrunning clutch and the gear ring support synchronously rotate. The inner ring of the centrifugal clutch is sleeved on the motor shaft to realize synchronous rotation with the motor shaft. The inner ring of the overrunning clutch and the inner ring of the centrifugal clutch are matched by adopting ratchet and pawl, so that the rotating speed of the inner ring of the centrifugal clutch can be transmitted to the inner ring of the overrunning clutch in a one-way mode. The inner ring of the overrunning clutch and the outer ring of the overrunning clutch are matched by adopting ratchet and pawl, so that the rotating speed of the outer ring of the overrunning clutch can be transmitted to the inner ring of the overrunning clutch in a one-way mode. Adopt above-mentioned mechanical structure transmission power, can realize the quick switching of different motion output modes fast to reply required various power and the speed demand of different road conditions when satisfying electric motorcycle or electric motor scooter and riding.
Preferably, the motor with a coaxial structure in the forward and reverse rotation driving mode is arranged in the middle, the forward and reverse rotation driving assembly includes a stator assembly and a rotor assembly, one side of the stator assembly is fixedly arranged on the inner wall of the right side cover, the stator assembly is rotatably connected with the motor shaft, the rotor assembly is sleeved on the motor shaft, and the stator assembly, the rotor assembly and the motor shaft are coaxially arranged.
One side of the stator component is fixedly arranged on the inner wall of the right side cover, the rotor component is sleeved on the motor shaft, and when the motor in the coaxial structure is electrified, the forward and reverse rotation of the rotor component is controlled, so that the rotor component and the motor shaft rotate synchronously.
Preferably, the mid-motor with a coaxial structure in a forward and reverse rotation driving mode further comprises a first bearing and a second bearing, and the stator assembly is coaxially arranged with the motor shaft through the matching of the first bearing and the second bearing.
The first bearing and the second bearing play a role in supporting the limiting stator assembly, so that the stator assembly and the motor shaft are always coaxial.
Preferably, the motor is arranged in the coaxial structure with the forward and reverse rotation driving mode, the motor shaft is provided with at least 2 positioning holes, and the rotor assembly is coaxially arranged with the motor shaft through the connection between the screws and the positioning holes.
The positioning hole plays a positioning and guiding role, and the rotor assembly and the motor shaft are ensured to be always coaxial.
Preferably, in the above coaxial structure mid-motor with forward and reverse rotation driving modes, an elastic centrifugal block is rotatably arranged on the inner ring of the centrifugal clutch, and the elastic centrifugal block is connected with the first pawl.
When the clockwise rotating speed of the inner ring of the centrifugal clutch is higher, the elastic centrifugal block is opened and drives the first pawl to rotate, so that the first pawl is meshed with the first ratchet, and when the inner ring of the centrifugal clutch rotates anticlockwise, the elastic centrifugal block is contracted and closed, so that the directional transmission of power is realized.
Preferably, the motor is arranged in the coaxial structure with the forward and reverse rotation driving mode, and the right cover is provided with a heat dissipation rib.
The cooling area of the right side cover can be increased by the heat dissipation ribs, so that the effect of efficient heat dissipation is achieved.
Preferably, the central motor with the coaxial structure in the forward and reverse rotation driving mode further comprises an O-shaped sealing ring, and the O-shaped sealing ring is arranged at the joint of the box body and the left side cover and the joint of the box body and the right side cover.
The O-shaped sealing ring plays a role in sealing, and the situation that oil leakage is caused by gaps at the connecting parts of the box body, the left side cover and the right side cover is avoided.
Preferably, the motor with the coaxial structure in the forward and reverse rotation driving mode further comprises a chain wheel, and the chain wheel is matched with the inner ring of the overrunning clutch.
The chain wheel is matched with the inner ring of the overrunning clutch, so that the inner ring of the overrunning clutch transmits power to the chain wheel, and power output is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a schematic structural diagram of a dual clutch system according to the present invention.
Detailed Description
The invention will be described in further detail below with reference to the accompanying figures 1-3 and the detailed description, but they are not intended to limit the invention:
example 1
A motor with a forward and reverse rotation driving mode and a middle-placed coaxial structure comprises a box body 1, a left side cover 5, a right side cover 2, a motor shaft 3 and a forward and reverse rotation driving assembly 7, wherein two ends of the box body 1 are respectively matched with the left side cover 5 and the right side cover 2 to form a containing cavity, the forward and reverse rotation driving assembly 7 is fixedly arranged on the inner wall of the right side cover 2, the motor shaft 3 penetrates through the left side cover 5 and is matched with the forward and reverse rotation driving assembly 7, the motor with the middle-placed coaxial structure further comprises a planetary speed reducing mechanism 6 and a double clutch system 4, the box body 1 is provided with a partition plate 11, the partition plate 11 divides the containing cavity into a first cavity 12 and a second cavity 13, the forward and reverse rotation driving assembly 7 is positioned in the first cavity 12, the planetary speed reducing mechanism 6 and the double clutch system 4 are positioned in the second cavity 13, one side of the planetary speed reducing mechanism 6 is fixed on the partition plate, the double-clutch system 4 is matched with the left side cover 5, the planetary reduction mechanism 6 is detachably connected with the double-clutch system 4, and the planetary reduction mechanism 6 and the double-clutch system 4 are sleeved on the motor shaft 3 and are coaxially arranged with the forward and reverse rotation driving assembly 7.
After putting the motor circular telegram in coaxial structure, just reversing drive assembly 7 can be controlled by external control system, realizes the state switching of corotation and reversal, and clockwise is corotation, and anticlockwise is the reversal, and the just reversing drive control process of putting the motor in coaxial structure presents three motion state: starting or climbing low-speed state, sliding state and stable high-speed driving state.
The power transmission path in the starting or climbing low-speed state is as follows: the forward and reverse rotation driving assembly 7 reversely rotates, the planetary speed reducing mechanism 6 outputs power, the double-clutch system 4 outputs power, and the planetary speed reducing mechanism 6 outputs power, so that a motor arranged in the coaxial structure can obtain larger output power when starting or ascending.
Through the starting or climbing low-speed state, the forward and reverse rotation driving assembly 7 is switched to forward rotation, the planetary reduction mechanism 6 does not supply the double-clutch system 4 any more, the double-clutch system 4 has certain forward rotation speed, and the whole vehicle is in a sliding state at the moment.
A stable high-speed driving state: the power transmission path is: the forward and reverse rotation driving component 7 positively rotates and the double clutch system 4 outputs power, and the forward and reverse rotation driving component 7 positively rotates and directly transmits the rotating speed through the double clutch system 4, so that the whole vehicle can obtain higher output speed when riding on a flat road.
Preferably, the planetary reduction mechanism 6 includes a sun gear 62, a planetary gear 65, a planetary gear positioning shaft 64, a planetary carrier 66, an inner gear ring 63, and an inner gear ring carrier 61, the sun gear 62 is sleeved on the motor shaft 3 and is limited by a key connection, the planetary gear 65 is respectively engaged with the sun gear 62 and the inner gear ring 63, the planetary carrier 66 is fixed on the partition plate 11, one end of the planetary gear positioning shaft 64 is engaged with the planetary carrier 66, the planetary gear positioning shaft 64 is rotationally connected with the planetary gear 65, the inner gear ring carrier 61 is rotationally connected with the motor shaft 3, and the inner gear ring 63 is engaged with the inner gear ring carrier 61.
Preferably, the dual clutch system 4 includes a centrifugal clutch inner 43, an overrunning clutch inner 41, and an overrunning clutch outer 42, the centrifugal clutch inner 43 is sleeved on the motor shaft 3, the overrunning clutch outer 42 is detachably connected to the gear ring bracket 61, a first pawl 431 is disposed on an outer edge of the centrifugal clutch inner 43, a first ratchet 411 is disposed on an inner edge of the overrunning clutch inner 41, the first pawl 431 is engaged with the first ratchet 411, a second pawl 412 is disposed on an outer edge of the overrunning clutch inner 41, a second ratchet 421 is disposed on an inner edge of the overrunning clutch outer 42, and the second pawl 412 is engaged with the second ratchet 421.
Preferably, the forward and reverse rotation driving assembly 7 includes a stator assembly 72 and a rotor assembly 71, one side of the stator assembly 72 is fixedly disposed on the inner wall of the right side cover 2, the stator assembly 72 is rotatably connected with the motor shaft 3, the rotor assembly 71 is sleeved on the motor shaft 3, and the stator assembly 72, the rotor assembly 71 and the motor shaft 3 are coaxially disposed.
Preferably, the motor further comprises a first bearing 32 and a second bearing 33, and the stator assembly 72 is coaxially arranged with the motor shaft 3 through the matching of the first bearing 32 and the second bearing 33.
Preferably, the motor shaft 3 is provided with at least 2 positioning holes 31, and the rotor assembly 71 is coaxially arranged with the motor shaft 3 through connection between screws and the positioning holes 31.
Preferably, an elastic eccentric block 432 is rotatably arranged on the centrifugal clutch inner ring 43, and the elastic eccentric block 432 is connected with the first pawl 431.
Preferably, the right side cover 2 is provided with a radiating fin 21.
Preferably, the box body further comprises an O-shaped sealing ring 14, and the O-shaped sealing ring 14 is arranged at the joint of the box body 1 and the left side cover 5 and the joint of the right side cover 2.
Preferably, the overrunning clutch further comprises a chain wheel 44, and the chain wheel 44 is matched with the overrunning clutch inner ring 41.
After the motor in the coaxial structure is electrified, the rotor assembly 71 can be controlled by an external control system, the state switching of the clockwise rotation and the reverse rotation of the rotor assembly 71 is realized, the clockwise rotation is the clockwise rotation, the counterclockwise rotation is the reverse rotation, and the forward and reverse rotation driving control process of the motor in the coaxial structure presents three motion states:
starting or climbing low-speed state: when the motor with the coaxial structure starts, the external control system controls the rotor assembly 71 to rotate reversely to drive the motor shaft 3 to rotate reversely, and the sun gear 62 also rotates reversely along with the motor shaft 3. The rotation of the sun gear 62 is transmitted to the ring gear 63 through the planet gears 65, the ring gear 63 rotates in the forward direction, and the ring gear support 61 is driven by the ring gear 63 to rotate in the forward direction because the planet support 66 is fixed on the partition 11. The overrunning clutch outer ring 42 is detachably connected with the gear ring support 61, so that the overrunning clutch outer ring 42 and the gear ring support 61 synchronously rotate forwards, the overrunning clutch outer ring 42 drives the overrunning clutch inner ring 41 to rotate forwards through the engagement of the second pawls 412 and the second ratchets 421, the rotor assembly 71 rotates backwards and is transmitted to the outside through the overrunning clutch outer ring 42 and the overrunning clutch inner ring 41, and the power transmission is realized through the motor arranged in the coaxial structure.
The power transmission path is: the rotor assembly 71 rotates reversely-the sun gear 62 rotates reversely-the inner gear ring 63 and the overrunning clutch outer ring 42 rotate normally-the overrunning clutch inner ring 41 rotates normally. In the above state, the power is output through the planetary reduction mechanism 6, and a large output power can be obtained when the central motor in the coaxial structure starts or ascends a slope at a low speed.
A sliding state: when the rotating speed of the rotor assembly 71 in the reverse rotation direction reaches a set value, the external control system controls the rotor assembly 71 to start the forward rotation, the motor shaft 3 also rotates in the forward rotation direction and drives the sun gear 62 to rotate in the forward rotation direction, the rotation is transmitted to the inner gear ring 63 through the planet gear 65, the inner gear ring 63 rotates in the reverse rotation direction, the inner gear ring 63 drives the inner gear ring support 61 to rotate in the reverse rotation direction, the inner gear ring support 61 and the overrunning clutch outer ring 42 rotate in the reverse rotation direction synchronously, and the second pawl 412 and the second ratchet 421 can only transmit in one direction, so that the second pawl 412 is separated from the second ratchet 421, and. Through the starting or climbing low-speed state, the inner ring 41 of the overrunning clutch has a certain positive rotation speed, and the whole vehicle is in a forward sliding state at the moment.
A stable high-speed driving state: with the increasing of the forward rotation speed of the rotor assembly 71, when the forward rotation speed reaches a set forward rotation threshold, the forward rotation threshold is lower than the rotation speed of the overrunning clutch inner ring 41 in the second motion state, the elastic centrifugal block 432 of the centrifugal clutch inner ring 43 opens to drive the first pawl 431 to open, the forward rotation speed of the overrunning clutch inner ring 41 is in a deceleration state at the moment, the forward rotation speed of the centrifugal clutch inner ring 43 is in an acceleration state, when the forward rotation speed difference between the centrifugal clutch inner ring 43 and the overrunning clutch inner ring 41 approaches to 0, the first pawl 431 of the centrifugal clutch inner ring 43 is meshed with the first ratchet 411 of the overrunning clutch inner ring 41, the sliding state of the whole vehicle is terminated, and the forward rotation of the rotor assembly 71 is transmitted to the outside through the centrifugal clutch inner ring 43 and the.
The power transmission path is: the rotor assembly 71 rotates forward-the centrifugal clutch inner ring 43 rotates forward-the first pawls 431 are engaged with the first ratchet teeth 411-the overrunning clutch inner ring 41 rotates forward. The stable high-speed running state directly transmits the rotation of the rotor assembly 71 through the centrifugal clutch inner ring 43, and the whole vehicle can obtain higher output speed when riding on a flat road.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a put motor in coaxial configuration of positive and negative rotation drive mode, includes box (1), left side lid (5), right side lid (2), motor shaft (3), positive and negative rotation drive assembly (7), the both ends of box (1) respectively with left side lid (5), right side lid (2) cooperation and form and hold the chamber, positive and negative rotation drive assembly (7) admittedly adorn on the inner wall of right side lid (2), motor shaft (3) run through left side lid (5) and with positive and negative rotation drive assembly (7) cooperation, its characterized in that: also comprises a planetary speed reducing mechanism (6) and a double-clutch system (4), a clapboard (11) is arranged on the box body (1), the partition plate (11) divides the containing cavity into a first chamber (12) and a second chamber (13), the forward and reverse rotation driving assembly (7) is positioned in the first chamber (12), the planetary reduction mechanism (6) and the double-clutch system (4) are positioned in the second chamber (13), one side of the planetary speed reducing mechanism (6) is fixed on the clapboard (11), the double-clutch system (4) is matched with the left side cover (5), the planetary reduction mechanism (6) is detachably connected with the double-clutch system (4), the planetary reduction mechanism (6) and the double-clutch system (4) are sleeved on the motor shaft (3) and are coaxially arranged with the forward and reverse rotation driving component (7).
2. The built-in motor of coaxial structure with positive and negative rotation driving mode according to claim 1, wherein: planetary reduction gears (6) include sun gear (62), planet wheel (65), planet wheel location axle (64), planet carrier (66), ring gear (63), ring gear support (61), sun gear (62) ring cover in motor shaft (3) go up and carry on spacingly through the key-type connection, planet wheel (65) respectively with sun gear (62), ring gear (63) meshing, planet carrier (66) are fixed on baffle (11), the one end of planet wheel location axle (64) with planet carrier (66) cooperation, planet wheel location axle (64) with planet wheel (65) rotate and are connected, ring gear support (61) with motor shaft (3) rotate and are connected, ring gear (63) with ring gear support (61) meshing.
3. The mid-motor of coaxial structure with positive and negative rotation driving mode according to claim 2, wherein: the double-clutch system (4) comprises a centrifugal clutch inner ring (43), an overrunning clutch inner ring (41) and an overrunning clutch outer ring (42), the centrifugal clutch inner ring (43) is sleeved on the motor shaft (3), the overrunning clutch outer ring (42) is detachably connected with the gear ring support (61), a first pawl (431) is arranged on the outer edge of the centrifugal clutch inner ring (43), a first ratchet (411) is arranged on the inner edge of the overrunning clutch inner ring (41), the first pawl (431) is matched with the first ratchet (411), a second pawl (412) is arranged on the outer edge of the overrunning clutch inner ring (41), a second ratchet (421) is arranged on the inner edge of the overrunning clutch outer ring (42), and the second pawl (412) is matched with the second ratchet (421).
4. The built-in motor of coaxial structure with positive and negative rotation driving mode according to claim 1, wherein: the positive and negative rotation driving assembly (7) comprises a stator assembly (72) and a rotor assembly (71), one side of the stator assembly (72) is fixedly arranged on the inner wall of the right side cover (2), the stator assembly (72) is rotationally connected with the motor shaft (3), the rotor assembly (71) is sleeved on the motor shaft (3), and the stator assembly (72), the rotor assembly (71) and the motor shaft (3) are coaxially arranged.
5. The built-in motor of coaxial structure with positive and negative rotation driving mode according to claim 4, wherein: the motor shaft (3) is characterized by further comprising a first bearing (32) and a second bearing (33), wherein the stator assembly (72) is coaxially arranged with the motor shaft (3) through the matching of the first bearing (32) and the second bearing (33).
6. The built-in motor of coaxial structure with positive and negative rotation driving mode according to claim 4, wherein: the motor shaft (3) is provided with at least 2 positioning holes (31), and the rotor assembly (71) is coaxially arranged with the motor shaft (3) through connection of screws and the positioning holes (31).
7. The built-in motor of coaxial structure with positive and negative rotation driving mode according to claim 3, wherein: an elastic centrifugal block (432) is arranged on the centrifugal clutch inner ring (43) in a rotating mode, and the elastic centrifugal block (432) is connected with the first pawl (431).
8. The built-in motor of coaxial structure with positive and negative rotation driving mode according to claim 1, wherein: and a heat dissipation rib sheet (21) is arranged on the right side cover (2).
9. The built-in motor of coaxial structure with positive and negative rotation driving mode according to claim 1, wherein: the box body (1) is connected with the left side cover (5) and the right side cover (2) through the O-shaped sealing rings (14).
10. The built-in motor of coaxial structure with positive and negative rotation driving mode according to claim 3, wherein: the overrunning clutch further comprises a chain wheel (44), and the chain wheel (44) is matched with the overrunning clutch inner ring (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516172.6A CN112510915A (en) | 2020-12-21 | 2020-12-21 | Motor with middle-arranged coaxial structure in forward and reverse rotation driving mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516172.6A CN112510915A (en) | 2020-12-21 | 2020-12-21 | Motor with middle-arranged coaxial structure in forward and reverse rotation driving mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112510915A true CN112510915A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011516172.6A Pending CN112510915A (en) | 2020-12-21 | 2020-12-21 | Motor with middle-arranged coaxial structure in forward and reverse rotation driving mode |
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| Country | Link |
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| CN (1) | CN112510915A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033836A (en) * | 2021-11-08 | 2022-02-11 | 永浪集团有限公司 | Artificial intelligence running gear |
-
2020
- 2020-12-21 CN CN202011516172.6A patent/CN112510915A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033836A (en) * | 2021-11-08 | 2022-02-11 | 永浪集团有限公司 | Artificial intelligence running gear |
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