CN107499120A - A kind of electric automobile gear drive mechanism - Google Patents
A kind of electric automobile gear drive mechanism Download PDFInfo
- Publication number
- CN107499120A CN107499120A CN201710789685.6A CN201710789685A CN107499120A CN 107499120 A CN107499120 A CN 107499120A CN 201710789685 A CN201710789685 A CN 201710789685A CN 107499120 A CN107499120 A CN 107499120A
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- China
- Prior art keywords
- gear
- wheel
- drive
- electromagnet
- rotation shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/2876—Racks
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Gear Transmission (AREA)
Abstract
The invention belongs to electric automobile actuation techniques field, a kind of more particularly to electric automobile gear drive mechanism, it includes chassis overhang, support leaf spring, wheel, multi gear drive mechanism, the gear of rotation shaft of wheel the 3rd, rotation shaft of wheel, rotation shaft of wheel first gear, rotation shaft of wheel second gear, the gear of rotation shaft of wheel the 4th, rotation shaft of wheel bearing, wherein wheel is arranged in rotation shaft of wheel, rotation shaft of wheel both sides are arranged on two support leaf spring bottoms by rotation shaft of wheel bearing, leaf spring is supported to be arranged on the downside of chassis overhang, multi gear drive mechanism is arranged on the crossbeam of chassis overhang rear end, change motor and the gearratio of rotation shaft of wheel by adjusting multi gear drive mechanism simultaneously changing engine power output, so that the abundant driving moment of motor;Change the gearratio of motor and rotation shaft of wheel present invention utilizes multi gear drive mechanism, substantially efficiently make use of the power of motor, there is stronger practicality.
Description
Art
The invention belongs to electric automobile actuation techniques field, more particularly to a kind of electric automobile gear drive mechanism.
Background technology
The electric vehicle such as electro-tricycle, electric four-wheel vehicle uses simple motor and axle drive at present, then drives
Wheel rotates, and the power output of motor is adjusted by controlling storage battery input current voltage, so as to control vehicle to run.Although
Method is ripe, simple in construction, but the power output of motor and moment of torsion can not make full use of, and vehicle is in complexity such as upward slopes
The output power of motor that needs and moment of torsion change in very large range when being travelled on road surface, and this technical requirements to motor is higher,
The technology of motor will directly determine the driveability of electric vehicle, and the development of current motor technology can not meet at present
Electric vehicle traveling demand, therefore exploitation can complete the technologies of the driving requirements of complex road surface using existing motor,
It will be very important.
The present invention designs a kind of electric automobile gear drive mechanism and solves as above problem.
The content of the invention
To solve drawbacks described above of the prior art, the present invention discloses a kind of electric automobile gear drive mechanism, and it is to adopt
Realized with following technical scheme.
A kind of electric automobile gear drive mechanism, it is characterised in that:It includes chassis overhang, support leaf spring, wheel, multi gear
Drive mechanism, the gear of rotation shaft of wheel the 3rd, rotation shaft of wheel, rotation shaft of wheel first gear, rotation shaft of wheel second gear, rotation shaft of wheel
4th gear, rotation shaft of wheel bearing, wherein wheel are arranged in rotation shaft of wheel, and rotation shaft of wheel both sides are pacified by rotation shaft of wheel bearing
Mounted in two support leaf spring bottoms, support leaf spring is arranged on the downside of chassis overhang, after multi gear drive mechanism is arranged on chassis overhang
On the crossbeam at end, rotation shaft of wheel first gear, rotation shaft of wheel second gear, the gear of rotation shaft of wheel the 3rd, the tooth of rotation shaft of wheel the 4th
Wheel is sequentially arranged in rotation shaft of wheel, and diameter increases successively.
Above-mentioned multi gear drive mechanism includes gear shifting drive motor, gear shifting drive motor support, rack, slip ring support, tooth
Bar support, gear shifting drive motor gear, the first supporting plate, the second supporting plate, gear drive motor, gear drive motor slide
Ring, gear driven mechanism, gear drive motor axis, conducting block, gear drive motor rotating shaft, wherein the first supporting plate is arranged on
On the crossbeam of chassis overhang rear end, the second supporting plate is arranged on the first supporting plate upper end, and gear shifting drive motor drives installed in gear shift
On dynamic motor support, gear shifting drive motor support is arranged on the downside of the second supporting plate, and gear shifting drive motor gear is arranged on gear shift
In motor rotating shaft;Rack is arranged on the outside of gear drive motor on the face of cylinder by rack support, and gear drive motor is slided
Rotating ring is arranged on the downside of the second supporting plate by slip ring support, and gear drive motor is arranged on gear drive motor slip ring
Interior, gear drive motor rotating shaft is cylinder, and gear drive motor axis is non-cylinder, one section of gear drive motor rotating shaft with
Two sections of gear drive motor axis form motor shaft;Four gear driven mechanisms are arranged on the downside of the second supporting plate, and are divided two-by-two
It is distributed in gear drive motor both sides;Two sections of gear drive motor axis are separately installed with conducting block;Rack and gear shifting drive motor
Gear engages.
Gear shifting motor is adjusted, passes through the rack-driving on gear shifting motor gear and gear drive motor, adjustment gear driving
Motor slides in gear drive motor slip ring, promotes gear drive motor axis transverse shifting, so as to select driving different
Gear driven mechanism be driven.
Aforementioned four gear driven mechanism is in addition to respective drive gear is of different sizes, other each complete phases of structure
Together;For one of gear driven mechanism, it includes electromagnet, the first drive gear, drive gear centre bore, drive gear
Hollow rotating shaft, electromagnet hole clipping, electromagnet hollow rotating shaft, electromagnet support, electromagnet rotating shaft set, drive gear rotating shaft set, drive
Moving gear support, conductive coil, electromagnet conducting strip, wherein electromagnet center are provided with electromagnet hole clipping, electromagnet hollow rotating shaft
Installed in electromagnet side center, electromagnet hollow rotating shaft is arranged in electromagnet rotating shaft set, and electromagnet rotating shaft set is arranged on electricity
On magnet support, electromagnet support is arranged in the second supporting plate;First drive gear center is provided with drive gear centre bore, drives
Moving gear hollow rotating shaft is arranged on the first drive gear side center, and drive gear hollow rotating shaft is arranged on drive gear rotating shaft set
Interior, drive gear rotating shaft set is arranged in drive gear support, and drive gear support is arranged in the second supporting plate;Conductive coil
It is wrapped on electromagnet, electromagnet conducting strip is arranged on electromagnet hole clipping inner surface, and coordinates with conducting block;Electromagnet hole clipping
Cross section is identical with gear drive motor axis cross section, and it is maximum that the first drive gear centre bore is more than gear drive motor axis
Physical dimension.For other three gear driven mechanisms, respectively using the second drive gear, the 3rd drive gear, the 4th driving
Gear replaces the first drive gear;First drive gear, the second drive gear, the 3rd drive gear, the 4th drive gear diameter
It is sequentially reduced.
Design gear drive mechanism purpose is:By in gear drive motor axis torque drive to gear, pass through gear
Transmission, the gear of motor axis torque conduction to rotation shaft of wheel and then driving moment are rotated.The invention is intended to design it is a
The drive mechanism of gearratio can be changed on the moment of torsion and rotation shaft of wheel of motor output between required moment of torsion;Gear drive motor turns
Axle is axis, is non-cylindrical, and the hole clipping section of electromagnet is similar to axis, and hole clipping is enclosed on axis, and axis can drive tool
The electromagnet for having hole clipping rotates;The centre bore of gear is much larger than axis, is rotated so axis rotates without moving gear, and set
The electromagnet without energization of meter can not drive pinion rotation when rotating, and when machine shaft transverse shifting and rest on one
When positioning is put, the conducting block on axis contacts with the electromagnet in a drive mechanism in four gear driven mechanisms, leads
The electromagnet energizing magnetic is caused, holds the drive gear surface of the gear driven mechanism, and then drives the drive gear to transport
It is dynamic, and then rotation shaft of wheel gear movement is driven, vehicle is obtained power traveling.
Above-mentioned first drive gear, the second drive gear, the 3rd drive gear, the 4th drive gear respectively with rotation shaft of wheel
First gear, rotation shaft of wheel second gear, the gear of rotation shaft of wheel the 3rd, the engagement of the gear of rotation shaft of wheel the 4th, this will be in motor
Four kinds of different gearratios are produced between rotation shaft of wheel.
As the further improvement of this technology, above-mentioned conducting block includes the first conducting block and the second conducting block, above-mentioned electromagnetism
Iron conducting strip includes the first electromagnet conducting strip and the second electromagnet conducting strip, said gear motor include the first brush,
Second brush, the first conducting ring and the second conducting ring, wherein the first conducting ring and the second conducting ring are arranged on gear drive motor
In rotating shaft, the first brush and second brush one end are respectively turned on power positive cathode, the other end respectively with the first conducting ring and second
Conducting ring CONTACT WITH FRICTION, wire is installed inside gear drive motor rotating shaft;Positive source passes through the first brush, the first conduction
Ring, wire are connected with the first conducting block, and power cathode is connected by the second brush, the second conducting ring, wire with the second conducting block,
First conducting block, the second conducting block coordinate with the first electromagnet conducting strip and the second electromagnet conducting strip respectively.
Power supply, brush, conducting ring, conducting block, electromagnet conducting strip, coil composition circuit closed loop.
As the further improvement of this technology, above-mentioned chassis overhang can be that tricycle can also be chassis for four-wheel vehicle branch
Frame, above-mentioned multi gear drive mechanism are arranged at trailing wheel rotating shaft.
As the further improvement of this technology, said gear motor axis and rotating shaft surface are non-conductive, in design only
There is the conducting block on axis electromagnet is there is magnetic and then with moving gear when being contacted with the conducting strip of electromagnet, so driving
Dynamic machine shaft is necessary for uncharged surface.
As the further improvement of this technology, above-mentioned drive gear own rotation resistance be more than without be powered electromagnet and
The frictional force of gear, drive gear own rotation resistance are less than the frictional force of the electromagnet being powered and gear.Ensure there was only electromagnetism
Tie Tong electricity ability drive gear, that is, ensure that one and only one drive gear of same time is driven.
As the further improvement of this technology, gear drive motor guide block, tooth are installed on the outside of said gear motor
Slip ring guide groove is provided with the inside of wheel drive motor slip ring, gear drive motor guide block is arranged in slip ring guide groove, guide block and
When the cooperation of guide groove can ensure that gear drive motor slides laterally in gear drive motor slip ring, circumference side will not occur
To slip.
Relative to traditional electric automobile actuation techniques, wheel is arranged in rotation shaft of wheel in the present invention, rotation shaft of wheel two
Side is arranged on two support leaf spring bottoms by rotation shaft of wheel bearing, and support leaf spring is arranged on the downside of chassis overhang, multi gear driving
Mechanism is arranged on the crossbeam of chassis overhang rear end, is changed simultaneously by adjusting multi gear drive mechanism changing engine power output
Become motor and the gearratio of rotation shaft of wheel, so that the abundant driving moment of motor;Present invention utilizes multi gear drive mechanism to come
Change motor and the gearratio of rotation shaft of wheel, substantially efficiently make use of the power of motor, there is stronger practicality.
Brief description of the drawings
Fig. 1 is integrated model distribution schematic diagram.
Fig. 2 is rotation shaft of wheel gear scheme of installation.
Fig. 3 is multi gear drive mechanism scheme of installation.
Fig. 4 is multi gear drive mechanism and rotation shaft of wheel gear mesh schematic representation.
Fig. 5 is multi gear driving mechanism structure schematic diagram.
Fig. 6 is that multi gear drive mechanism engages front view with rotation shaft of wheel gear.
Fig. 7 is supporting plate scheme of installation.
Fig. 8 is the first drive gear centre bore schematic diagram.
Fig. 9 is drive gear hollow rotating shaft scheme of installation.
Figure 10 is electromagnet hole clipping schematic diagram.
Figure 11 is electromagnet hollow rotating shaft scheme of installation.
Figure 12 is electromagnet rotating shaft set and support scheme of installation.
Figure 13 is drive gear rotating shaft set and support scheme of installation.
Figure 14 is gear driven mechanism profile.
Figure 15 is motor rotating shaft and axis schematic diagram.
Figure 16 is gear driven mechanism operating diagram.
Figure 17 is gear drive motor rotating shaft dependency structure schematic diagram.
Figure 18 is brush and conducting ring installation and cooperation schematic diagram.
Figure 19 is electromagnet coil scheme of installation.
Figure 20 is electromagnet conducting strip and coil connection diagram.
Figure 21 is gear driven mechanism and axis transmission cooperation schematic diagram.
Figure 22 gear drive motor slip ring scheme of installations.
Figure 23 is rack scheme of installation.
Figure 24 is gear shifting drive motor scheme of installation.
Label title in figure:4th, the first supporting plate, the 10, second supporting plate, 11, electromagnet, the 12, first drive gear,
14th, gear drive motor, 15, gear drive motor slip ring, 20, drive gear centre bore, 21, drive gear hollow rotating shaft,
22nd, electromagnet hole clipping, 23, electromagnet hollow rotating shaft, 24, electromagnet support, 25, electromagnet rotating shaft set, 26, drive gear rotating shaft
Set, 27, drive gear support, 28, gear drive motor axis, 29, conducting block, 29-1, the first conducting block, 29-2, second are led
Electric block, 30, gear driven mechanism, 31, gear drive motor rotating shaft, the 32, first brush, the 33, second brush, 34, first is conductive
Ring, the 35, second conducting ring, 36, conductive coil, 37, electromagnet conducting strip, 37-1, the first electromagnet conducting strip, 37-2, second
Electromagnet conducting strip, 41, chassis overhang, 42, support leaf spring, 43, wheel, 44, multi gear drive mechanism, 45, rotation shaft of wheel the 3rd
Gear, 46, rotation shaft of wheel, 47, rotation shaft of wheel first gear, 48, rotation shaft of wheel second gear, 49, the gear of rotation shaft of wheel the 4th,
50th, rotation shaft of wheel bearing, 51, gear shifting drive motor, 52, gear shifting drive motor support, 53, rack, 54, slip ring support, 55,
Rack support, 56, gear shifting drive motor gear, the 57, second drive gear, the 58, the 3rd drive gear, the 59, the 4th drive gear,
60th, gear drive motor guide block, 61, slip ring guide groove.
Embodiment
As shown in figure 1, it includes chassis overhang 41, support leaf spring 42, wheel 43, multi gear drive mechanism 44, rotation shaft of wheel
3rd gear 45, rotation shaft of wheel 46, rotation shaft of wheel first gear 47, rotation shaft of wheel second gear 48, the gear of rotation shaft of wheel the 4th
49th, rotation shaft of wheel bearing 50, wherein as shown in figure 1, wheel 43 is arranged in rotation shaft of wheel 46, the both sides of rotation shaft of wheel 46 pass through car
Take turns shaft bearing 50 and be arranged on two support leaf spring 42 bottoms, support leaf spring 42 is arranged on the downside of chassis overhang 41, such as Fig. 3 institutes
Show, multi gear drive mechanism 44 is arranged on the crossbeam of the rear end of chassis overhang 41, as shown in Fig. 2 rotation shaft of wheel first gear 47, car
Wheel rotating shaft second gear 48, the gear 45 of rotation shaft of wheel the 3rd, the gear 49 of rotation shaft of wheel the 4th are sequentially arranged in rotation shaft of wheel 46,
And diameter increases successively;
As shown in Figure 4,5, multi gear drive mechanism 44 includes gear shifting drive motor 51, gear shifting drive motor supports 52, rack 53, sliding
Rotating ring support 54, rack support 55, gear shifting drive motor gear 56, the first supporting plate 4, the second supporting plate 10, gear driving electricity
Machine 14, gear drive motor slip ring 15, gear driven mechanism 30, gear drive motor axis 28, conducting block 29, gear driving
Machine shaft 31, wherein the first supporting plate 4 is arranged on the crossbeam of the rear end of chassis overhang 41, as shown in fig. 7, the second supporting plate 10
Installed in the upper end of the first supporting plate 4, as shown in figure 24, gear shifting drive motor 51 is arranged in gear shifting drive motor support 52, is changed
Shelves motor support 52 is arranged on the downside of the second supporting plate 10, and gear shifting drive motor gear 56 turns installed in gear shifting drive motor
On axle;As shown in figure 23, rack 53 is arranged on the outside face of cylinder of gear drive motor 14 by rack support 55, such as Figure 22 institutes
Show, gear drive motor slip ring 15 is arranged on the downside of the second supporting plate 10, gear drive motor 14 by slip ring support 54
In gear drive motor slip ring, gear drive motor rotating shaft 31 is cylinder, and gear drive motor axis 28 is non-
Cylinder, one section of gear drive motor rotating shaft 31 and two sections of gear drive motor axis 28 form motor shaft;As shown in fig. 6, figure
In four dotted line frames be four gear driven mechanisms 30, four gear driven mechanisms 30 are arranged on the downside of the second supporting plate 10, and
The both sides of gear drive motor 14 are distributed in two-by-two;As shown in figure 15, two sections of gear drive motor axis 28 are separately installed with conduction
Block 29;Rack 53 engages with gear shifting drive motor gear 56;
Gear shifting motor is adjusted, is driven by gear shifting motor gear and the rack 53 on gear drive motor 14, adjustment gear driving
Motor 14 slides in gear drive motor slip ring, promotes the transverse shifting of gear drive motor axis 28, so as to select to drive
Different gear driven mechanisms 30 are driven.
As shown in figure 14, for aforementioned four gear driven mechanism 30 in addition to respective drive gear is of different sizes, other are each
Individual structure is identical;For one of gear driven mechanism 30, it includes electromagnet 11, the first drive gear 12, driving
Gear center hole 20, drive gear hollow rotating shaft 21, electromagnet hole clipping 22, electromagnet hollow rotating shaft 23, electromagnet support 24, electricity
Magnet rotating shaft set 25, drive gear rotating shaft set 26, drive gear support 27, conductive coil 36, electromagnet conducting strip 37, wherein such as
Shown in Figure 10,11,12, the center of electromagnet 11 is provided with electromagnet hole clipping 22, and electromagnet hollow rotating shaft 23 is arranged on electromagnet 11 1
Side center, electromagnet hollow rotating shaft 23 are arranged in electromagnet rotating shaft set 25, and electromagnet rotating shaft set 25 supports installed in electromagnet
On 24, electromagnet support 24 is arranged in the second supporting plate 10;As shown in Fig. 8,9,13, the center of the first drive gear 12 is provided with drive
Moving gear centre bore 20, drive gear hollow rotating shaft 21 are arranged on the side center of the first drive gear 12, hollow turn of drive gear
Axle 21 is arranged in drive gear rotating shaft set 26, and drive gear rotating shaft set 26 is arranged in drive gear support 27, drive gear
Support 27 is arranged in the second supporting plate 10;As shown in figure 19, conductive coil 36 is wrapped on electromagnet 11, as shown in figure 20,
Electromagnet conducting strip 37 is arranged on the inner surface of electromagnet hole clipping 22, and coordinates with conducting block 29;The cross section of electromagnet hole clipping 22
Identical with the cross section of gear drive motor axis 28, it is maximum that the centre bore of the first drive gear 12 is more than gear drive motor axis 28
Physical dimension.For other three gear driven mechanisms 30, respectively using the second drive gear 57, the 3rd drive gear 58,
Four drive gears 59 replace the first drive gear 12;First drive gear 12, the second drive gear 57, the 3rd drive gear 58,
The diameter of 4th drive gear 59 is sequentially reduced.
The purpose of design gear drive mechanism 30 is:By in the torque drive of gear drive motor axis 28 to gear, pass through
Gear drive, the gear of motor axis torque conduction to rotation shaft of wheel 46 and then driving moment 43 are rotated.The invention is intended to set
The drive mechanism of gearratio can be changed by counting between required moment of torsion in a moment of torsion in motor output and rotation shaft of wheel 46;Gear
Motor rotating shaft 31 is axis, is non-cylindrical, and the hole clipping section of electromagnet 11 is similar to axis, and hole clipping is enclosed on axis,
Axis can drive the electromagnet 11 with hole clipping to rotate;The centre bore of gear is much larger than axis, is not driven so axis rotates
Pinion rotation, and pinion rotation can not be driven when the designed electromagnet 11 without energization rotates, work as machine shaft
Transverse shifting and when resting on certain position, a drive in the conducting block 29 and four gear driven mechanisms 30 on axis
Move in-house electromagnet 11 to contact, cause the energizing magnetic of electromagnet 11, hold the driving of the gear driven mechanism 30
Gear surface, and then drive the drive gear to move, and then rotation shaft of wheel gear movement is driven, vehicle is obtained power traveling.
As shown in fig. 6, above-mentioned first drive gear 12, the second drive gear 57, the 3rd drive gear 58, the 4th sliding tooth
Wheel 59 respectively with rotation shaft of wheel first gear 47, rotation shaft of wheel second gear 48, the gear 45 of rotation shaft of wheel the 3rd, rotation shaft of wheel the
Four gears 49 engage.
As shown in Figure 17,18, above-mentioned conducting block 29 includes the first conducting block 29-1 and the second conducting block 29-2, above-mentioned electromagnetism
Iron conducting strip 37 includes the first electromagnet conducting strip 37-1 and the second electromagnet conducting strip 37-2, said gear motor 14 wrap
The first brush 32, the second brush 33, the first conducting ring 34 and the second conducting ring 35 are included, wherein the first conducting ring 34 and second is conductive
Ring 35 is arranged in gear drive motor rotating shaft 31, and the first brush 32 and the one end of the second brush 33 are respectively turned on power positive cathode,
The other end with the first conducting ring 34 and the CONTACT WITH FRICTION of the second conducting ring 35, is provided with inside gear drive motor rotating shaft 31 and led respectively
Line;Positive source is connected by the first brush 32, the first conducting ring 34, wire with the first conducting block 29-1, and power cathode passes through
Second brush 33, the second conducting ring 35, wire are connected with the second conducting block 29-2, the first conducting block 29-1, the second conducting block 29-
2 coordinate with the first electromagnet conducting strip 37-1 and the second electromagnet conducting strip 37-2 respectively.Power supply, brush, conducting ring, conducting block
29th, electromagnet conducting strip 37, coil composition circuit closed loop.
Above-mentioned chassis overhang 41 can be that tricycle can also be chassis for four-wheel vehicle support 41, above-mentioned multi gear drive mechanism 44
At trailing wheel rotating shaft.
Said gear motor axis 28 and rotating shaft surface are non-conductive, there was only conducting block 29 and electricity on axis in design
Electromagnet 11 can be just set to there is magnetic and then with moving gear during the conducting strip contact of magnet 11, so motor rotating shaft is necessary for
Uncharged surface.
The above-mentioned own rotation resistance of first drive gear 12 is more than the frictional force without the electromagnet 11 being powered and gear, the
The own rotation resistance of one drive gear 12 is less than the frictional force for the electromagnet 11 and gear being powered.Ensure only have electromagnet 11 to be powered
Ability drive gear, that is, ensure that one and only one rotation shaft of wheel gear of same time is driven.
As shown in Figure 22,15, the outside of said gear motor 14 is provided with gear drive motor guide block 60, gear driving
The inner side of motor slip ring 15 is provided with slip ring guide groove 61, and gear drive motor guide block 60 is arranged in slip ring guide groove 61, guide block
When cooperation with guide groove can ensure that gear drive motor 14 slides laterally in gear drive motor slip ring, it will not justify
The slip of circumferential direction.
As shown in figure 16, it is the operation principle schematic diagram of gear driven mechanism 30, as shown in figure a, axis drives and is not powered
Electromagnet 11 rotate, gear because centre bore is more than axis, and without energization electromagnet 11 be can not be with moving gear turn
Dynamic, so gear does not rotate;As schemed shown in b, when axis with gear drive motor 14 rocking bar 5 drive under, on axis
Conducting block 29 contacted with electromagnet conducting strip 37, electromagnet 11 produces magnetic, holds gear, drives pinion rotation.
As shown in figure 21, the number of gear driven mechanism 30 is four, numbering a/b/c/d, is distributed in gear driving two-by-two
The both sides of motor 14.When the transverse shifting of gear drive motor rotating shaft 31 and when resting on four positions 1/2/3/4, respectively to tooth
Actuation 30a/c/b/d is driven, because the drive gear diameter of four gear driven mechanisms 30 is different, and then is changed
The gearratio of driving.
In summary, wheel 43 is arranged in rotation shaft of wheel 46 in the present invention, and the both sides of rotation shaft of wheel 46 pass through rotation shaft of wheel
Bearing 50 is arranged on two support leaf spring 42 bottoms, and support leaf spring 42 is arranged on the downside of chassis overhang 41, multi gear drive mechanism 44
On the crossbeam of the rear end of chassis overhang 41, changed simultaneously by adjusting multi gear drive mechanism 44 changing engine power output
Become motor and the gearratio of rotation shaft of wheel 46, so that the abundant driving moment 43 of motor;Present invention utilizes multi gear driving machine
Structure 44 changes the gearratio of motor and rotation shaft of wheel 46, substantially efficiently make use of the power of motor, has stronger reality
The property used.
Claims (4)
- A kind of 1. electric automobile gear drive mechanism, it is characterised in that:It includes chassis overhang, support leaf spring, wheel, multi gear and driven The gear of motivation structure, rotation shaft of wheel the 3rd, rotation shaft of wheel, rotation shaft of wheel first gear, rotation shaft of wheel second gear, rotation shaft of wheel Four gears, rotation shaft of wheel bearing, wherein wheel are arranged in rotation shaft of wheel, and rotation shaft of wheel both sides are installed by rotation shaft of wheel bearing Leaf spring bottom is supported at two, support leaf spring is arranged on the downside of chassis overhang, and multi gear drive mechanism is arranged on chassis overhang rear end Crossbeam on, rotation shaft of wheel first gear, rotation shaft of wheel second gear, the gear of rotation shaft of wheel the 3rd, the gear of rotation shaft of wheel the 4th It is sequentially arranged in rotation shaft of wheel, and diameter increases successively;Above-mentioned multi gear drive mechanism includes gear shifting drive motor, gear shifting drive motor support, rack, slip ring support, rack branch Support, gear shifting drive motor gear, the first supporting plate, the second supporting plate, gear drive motor, gear drive motor slip ring, tooth Actuation, gear drive motor axis, conducting block, gear drive motor rotating shaft, wherein the first supporting plate is arranged on chassis On the crossbeam of back-end support, the second supporting plate is arranged on the first supporting plate upper end, and gear shifting drive motor is arranged on gear shift driving electricity In machine support, gear shifting drive motor support is arranged on the downside of the second supporting plate, and gear shifting drive motor gear drives installed in gear shift On machine shaft;Rack is arranged on the outside of gear drive motor on the face of cylinder by rack support, gear drive motor slip ring It is arranged on by slip ring support on the downside of the second supporting plate, gear drive motor is arranged in gear drive motor slip ring, tooth Wheel drive machine shaft is cylinder, and gear drive motor axis is non-cylinder, one section of gear drive motor rotating shaft with two sections Gear drive motor axis forms motor shaft;Four gear driven mechanisms are arranged on the downside of the second supporting plate, and are distributed in two-by-two Gear drive motor both sides;Two sections of gear drive motor axis are separately installed with conducting block;Rack and gear shifting drive motor gear Engagement;For aforementioned four gear driven mechanism in addition to respective drive gear is of different sizes, other each structures are identical;It is right In one of gear driven mechanism, it is hollow that it includes electromagnet, the first drive gear, drive gear centre bore, drive gear Rotating shaft, electromagnet hole clipping, electromagnet hollow rotating shaft, electromagnet support, electromagnet rotating shaft set, drive gear rotating shaft set, sliding tooth Support, conductive coil, electromagnet conducting strip are taken turns, wherein electromagnet center is provided with electromagnet hole clipping, the installation of electromagnet hollow rotating shaft At electromagnet side center, electromagnet hollow rotating shaft is arranged in electromagnet rotating shaft set, and electromagnet rotating shaft set is arranged on electromagnet In support, electromagnet support is arranged in the second supporting plate;First drive gear center is provided with drive gear centre bore, sliding tooth Wheel hollow rotating shaft is arranged on the first drive gear side center, and drive gear hollow rotating shaft is arranged in drive gear rotating shaft set, Drive gear rotating shaft set is arranged in drive gear support, and drive gear support is arranged in the second supporting plate;Conductive coil twines It is wound on electromagnet, electromagnet conducting strip is arranged on electromagnet hole clipping inner surface, and coordinates with conducting block;Electromagnet hole clipping is horizontal Section is identical with gear drive motor axis cross section, and it is maximum outer that the first drive gear centre bore is more than gear drive motor axis Edge size;For other three gear driven mechanisms, respectively using the second drive gear, the 3rd drive gear, the 4th sliding tooth Wheel replaces the first drive gear;First drive gear, the second drive gear, the 3rd drive gear, the 4th drive gear diameter according to Secondary reduction;Above-mentioned first drive gear, the second drive gear, the 3rd drive gear, the 4th drive gear respectively with rotation shaft of wheel first Gear, rotation shaft of wheel second gear, the gear of rotation shaft of wheel the 3rd, the engagement of the gear of rotation shaft of wheel the 4th;Above-mentioned conducting block includes the first conducting block and the second conducting block, and above-mentioned electromagnet conducting strip includes the first electromagnet conducting strip With the second electromagnet conducting strip, it is conductive that said gear motor includes the first brush, the second brush, the first conducting ring and second Ring, wherein the first conducting ring and the second conducting ring are arranged in gear drive motor rotating shaft, the first brush and second brush one end Power positive cathode is respectively turned on, the other end turns with the first conducting ring and the second conducting ring CONTACT WITH FRICTION, gear drive motor respectively Wire is installed inside axle;Positive source is connected by the first brush, the first conducting ring, wire with the first conducting block, and power supply is born Pole is connected by the second brush, the second conducting ring, wire with the second conducting block, and the first conducting block, the second conducting block are respectively with One electromagnet conducting strip and the second electromagnet conducting strip coordinate;Said gear motor axis and gear drive motor rotating shaft surface are non-conductive.
- A kind of 2. electric automobile gear drive mechanism according to claim 1, it is characterised in that:Above-mentioned chassis overhang is three Wheel underbody disc carrier is chassis for four-wheel vehicle support, and above-mentioned multi gear drive mechanism is arranged at trailing wheel rotating shaft.
- A kind of 3. electric automobile gear drive mechanism according to claim 1, it is characterised in that:Above-mentioned drive gear itself Rotary resistance is more than is less than what is be powered without the electromagnet and the frictional force of drive gear being powered, drive gear own rotation resistance The frictional force of electromagnet and drive gear.
- A kind of 4. electric automobile gear drive mechanism according to claim 1, it is characterised in that:Said gear motor Outside is provided with gear drive motor guide block, and slip ring guide groove, gear drive motor are provided with the inside of gear drive motor slip ring Guide block is arranged in slip ring guide groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710789685.6A CN107499120A (en) | 2015-12-22 | 2015-12-22 | A kind of electric automobile gear drive mechanism |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201710789685.6A CN107499120A (en) | 2015-12-22 | 2015-12-22 | A kind of electric automobile gear drive mechanism |
CN201510966193.0A CN105522916B (en) | 2015-12-22 | 2015-12-22 | A kind of shift drive mechanism of electric automobile |
Related Parent Applications (1)
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CN201510966193.0A Division CN105522916B (en) | 2015-12-22 | 2015-12-22 | A kind of shift drive mechanism of electric automobile |
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CN107499120A true CN107499120A (en) | 2017-12-22 |
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CN201510966193.0A Active CN105522916B (en) | 2015-12-22 | 2015-12-22 | A kind of shift drive mechanism of electric automobile |
CN201710789685.6A Withdrawn CN107499120A (en) | 2015-12-22 | 2015-12-22 | A kind of electric automobile gear drive mechanism |
CN201710789697.9A Active CN107472011B (en) | 2015-12-22 | 2015-12-22 | A kind of driving gear of electric vehicle |
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CN201510966193.0A Active CN105522916B (en) | 2015-12-22 | 2015-12-22 | A kind of shift drive mechanism of electric automobile |
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CN201710789697.9A Active CN107472011B (en) | 2015-12-22 | 2015-12-22 | A kind of driving gear of electric vehicle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107472011A (en) * | 2015-12-22 | 2017-12-15 | 陈杰 | A kind of driving gear of electric automobile |
Families Citing this family (1)
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CN112493949A (en) * | 2020-12-18 | 2021-03-16 | 马美凤 | Prevent winding robot wheel of sweeping floor of hair |
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- 2015-12-22 CN CN201510966193.0A patent/CN105522916B/en active Active
- 2015-12-22 CN CN201710789685.6A patent/CN107499120A/en not_active Withdrawn
- 2015-12-22 CN CN201710789697.9A patent/CN107472011B/en active Active
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WO2006122649A2 (en) * | 2005-05-13 | 2006-11-23 | Getrag Innovations Gmbh | Drive unit for a motor vehicle |
US20100184545A1 (en) * | 2009-01-22 | 2010-07-22 | Shimano Inc. | Bicycle derailleur |
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CN107472011A (en) * | 2015-12-22 | 2017-12-15 | 陈杰 | A kind of driving gear of electric automobile |
CN107472011B (en) * | 2015-12-22 | 2018-06-22 | 张哲夫 | A kind of driving gear of electric vehicle |
Also Published As
Publication number | Publication date |
---|---|
CN107472011B (en) | 2018-06-22 |
CN105522916B (en) | 2017-11-24 |
CN105522916A (en) | 2016-04-27 |
CN107472011A (en) | 2017-12-15 |
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Application publication date: 20171222 |