CN207737111U - A kind of side hanging electric bicycle Dual-motors Driving assembly - Google Patents

Abstract

A kind of side hanging electric bicycle Dual-motors Driving assembly is made of main motor, auxiliary-motor, reduction box, gear assemblies, hub brake disk, brake block；It is characterized in that Dual-motors Driving assembly is installed on the left side rear wheel position of right ahead, by chain stay after hangers connection in front of reduction box, main motor junction chamber and auxiliary-motor junction chamber are formed with outside reduction box, gear assemblies are installed in reduction box, output shaft front end is formed with the first spline of wheel hub cooperation, second spline of output shaft and driven gear the first isolator close fit, constitute power output actuator；The driving gear of gear assemblies engages the drive mode for constituting the normal very fast traveling in road surface with driven gear, and the pinion of gear assemblies is engaged by carrier gear transmission speed with driven gear, constitutes the auxiliary-motor power-assisted drive mode under load condition.

Description

A kind of side hanging electric bicycle Dual-motors Driving assembly

Technical field

The utility model is related to electric automobiles, total more particularly, to a kind of side hanging electric bicycle Dual-motors Driving At.

Background technology

Electric vehicle due to low-carbon, energy saving, use cost is light, deep to be liked by consumer.The current electric vehicle owning amount in China is big In 200,000,000, by the technological progress of more than ten years, battery-operated motor cycle, Development of Electric Vehicles gradually rise, and market is not therewith Disconnected to expand, relevant battery-operated motor cycle standard, electric vehicle standard are expected to put into effect quickly, and the requirement of user also constantly rises Grade, such as electric vehicle requires speed to reach the racing car of 75 horses and electric motorcycle and the quality uncertainty of freight truck, Well known wheel hub electric motor of electric vehicle, differential speed motor technology, speed is immutable with torque, cannot be satisfied in the spy of the following electric vehicle Different to require, the prior art needed for such as climbing load in the case of large torque, is often performed poor in special operational process Even shut down, especially loaded under conditions of vehicle needs premised on speed it is unable to do what one wishes, unique solution be amplification Power.

To solve the performance strength of vehicle bigger in operation, Dual-motors Driving pattern has been begun attempt in field, such as It says wheel hub motor, when single motor undercapacity, starts auxiliary-motor work, but this design scheme is the list for sacrificing normal operation Electric efficiency is preceding topic.Therefore, technical staff will start to expand research, such as Patent No. to side-mounted high-speed electric expreess locomotive The driving device Chinese invention patent of 200610138450.2 electric motor car with two wheels just proposed major-minor motor and drives actively before 10 years The transmission scheme of gear, the technology use main motor and auxiliary-motor output shaft and are nibbled respectively by respective gear and driving gear It closes, but this primary transmission can not allow auxiliary-motor to perform to higher speed and bigger output torque due to the limitation of transmission ratio（Most Big output torque is 70n.m）, since major-minor motor is set as same direction, in order to make major-minor motor reasonable installation, it has to allow The unit volume of gearbox increases and increases production cost, which, which additionally uses after axis 9 extends vehicle frame, passes through one-way shaft It holds 8, bearing 7,5 to connect with a driving gear 6 so that axis 9 can only be driven to rotate by driving gear 6, and 9 band of axis cannot be made Dynamic driving gear 6 rotates, but this technology cannot achieve in practical applications, and technical staff should be distinctly understood that, in Axis 9 is fixedly connected with driving gear 6, although vehicle, in reverse drive, axis 9 is synchronous fortune always with driving gear 6 Capable, and cannot achieve and be detached from magnetic resistance when sliding.In rear Brake Design, which uses tellurium（Wrong word, it should be：Hoof）Block 14 are connect by bearing 13 with axis 9, and this design makes technical staff that can not combine in practical applications, because Bearing outer begins There is the bearing fixed bit of a circumference to be fixed eventually, and axis 9 is rotary state in operation to connect with the tellurium block 14 It connects, meanwhile, for hoof block in braking, one end of at least coupling part needs rotational angle to make the amplification of workpiece outer diameter and wheel hub internal diameter Locking.

As described above, after 200610138450.2 patented technology entrucking in practical applications, there is brake safes to ask Topic cannot achieve one-way sliding function with reversing and output does not have maximization and the high defect of manufacturing cost, needs electric automobiles Technical staff is further perfect.

Invention content

The utility model aims to solve the problem that defect existing for 200610138450.2 patents, provides a kind of auxiliary-motor double reduction The side hanging motor vehicle dual-motor drive assembly of transmission mode, can be in auxiliary-motor running part The gear deceleration by double reduction Than amplifying and improving auxiliary-motor rotating speed, realizes the big torque of small-power, reduce the manufacturing cost of product, this programme can make vehicle exist The output torque of bigger is obtained in load or climbing traveling.

A kind of side hanging electric bicycle Dual-motors Driving assembly of the utility model, by main motor, auxiliary-motor, reduction box, Gear assemblies, hub brake disk, brake block composition；It is characterized in that after Dual-motors Driving assembly is installed on the left side of right ahead Position is taken turns, by chain stay after chain stay connecting hole connection beside the front hangers of Gearbox, main motor company is formed with outside reduction box Room and auxiliary-motor junction chamber are connect, main motor junction chamber is connected with main motor, and auxiliary-motor junction chamber is connected with auxiliary-motor, Gear assemblies are installed in reduction box, the first spline of wheel hub cooperation is formed in the middle part of output shaft, the output being mounted in reduction box Axis is formed with the second spline coordinated with driven gear, and driven gear internal diameter is equipped with the first isolator, the second spline of output shaft with Driven gear the first isolator close fit constitutes power output actuator；The driving gear and driven tooth of gear assemblies Wheel engagement constitutes the drive mode of the normal very fast traveling in road surface, the pinions of gear assemblies by carrier gear transmission speed with from Moving gear engages, and constitutes the auxiliary-motor power-assisted drive mode under load condition.

A kind of one embodiment of side hanging electric bicycle Dual-motors Driving assembly of the utility model：The main electricity Machine, main motor are made of rotor, stator, winding, are installed on the motor casing rear outside Gearbox, and main motor shaft connection subtracts Main shaft in fast case, is equipped with driving gear on main shaft, and driving gear connection driven gear constitutes normal road surface and very fast traveling Drive mode.

The auxiliary-motor, auxiliary-motor are installed on Gearbox external electrical by being formed from rotor, from stator, from winding In front of casing, the countershaft in auxiliary-motor axis connection reduction box is equipped with pinion on countershaft, and pinion is engaged with carrier gear, mistake Axle gear is engaged with driven gear constitutes auxiliary-motor power-assisted drive mode.

In a kind of form, pinion is equipped with third isolator, and vehicle can be made run disengaging auxiliary-motor in the power-off state Magnetic resistance obtains farther coasting ability.

The reduction box is made of babinet and case lid.

The babinet, babinet front are formed with hangers, chain stay connecting hole are formed with beside hangers, chain stay connecting hole is for solid Join chain stay, cabinets cavity is formed with first bearing mounting hole, second bearing mounting hole, 3rd bearing mounting hole, fourth bearing and fixes Hole, difference fixing bearing；Main motor junction chamber and auxiliary-motor junction chamber are formed with outside babinet, in main motor junction chamber and auxiliary-motor The adjacent space of junction chamber is formed with the block reinforcement to match with motor casing, and being provided with block reinforcement can be with motor casing close fit and close Envelope is formed with oil filler, oil filler is by blind nut fitted seal to install controller in this space at the rear of babinet.

Further, the main motor junction chamber radially outer is formed with main motor mounting hole.

Further, the auxiliary-motor junction chamber radially outer is formed with auxiliary-motor mounting hole.

In a kind of form, main shaft seal circle hole is formed at main motor junction chamber center.

In a kind of form, secondary shaft seal circle hole is formed at auxiliary-motor junction chamber center.

Further, secondary shaft seal circle hole and the correct centering of fourth bearing mounting hole.

Further, main shaft seal circle hole and the correct centering of first bearing mounting hole.

In a kind of form, fuel outlet is formed in straight wall below babinet, fuel outlet can be used as carrying out when replacing gear oil Discharge sump oil.

The case lid, case lid top are formed with rear damping lifting lug, and case lid inner cavity is equipped with 5th bearing mounting hole, 7th bearing Mounting hole, 8th bearing mounting hole and output Simmer ring location hole, outside case lid centered on exporting Simmer ring location hole Make, directly to making hub brake disk fitting area is extended, to make 6th bearing mounting hole in hub brake disk fitting area opening's edge, in hub brake disk coordinate Area's radially outer is formed with hub brake disk mounting hole.

In a kind of form, brake cable fixing groove is equipped in case lid lower bottom part straight wall.

Further, case lid and babinet close fit, are connected firmly with screw.

Further, the correct centering of radial direction of first bearing mounting hole and 5th bearing mounting hole.

Further, the correct centering of radial direction of second bearing mounting hole and 6th bearing mounting hole.

Further, the correct centering of radial direction of 3rd bearing mounting hole and 7th bearing mounting hole.

Further, the correct centering of radial direction of fourth bearing mounting hole and 8th bearing mounting hole.

Further, main shaft is installed between first bearing mounting hole and 5th bearing mounting hole.

Further, output shaft is installed between second bearing mounting hole and 6th bearing mounting hole.

Further, bridge shaft is installed between 3rd bearing mounting hole and 7th bearing mounting hole.

Further, countershaft is installed between fourth bearing mounting hole and 8th bearing mounting hole.

The motor casing, it is uniformly distributed that motor casing periphery faces radiating ribs directly；Two side of motor casing is formed with main motor and auxiliary-motor Iron core installs die cavity, and the decile perforation being connect with babinet is formed with outside die cavity；It is formed with semicircle on the internal diameter peripheral wall of die cavity Straight trough, semicircle straight trough can be used for the positioning of electric machine iron core installation；Connect in main motor chamber and auxiliary-motor chamber adjacent part straight wall Connect and with babinet close fit, constitute controller junction chamber and installation controller.

In a kind of form, in the peripheral wall of two sides and lower section outside the installation of the main motor and auxiliary-motor of motor casing, setting Several straight wall through-holes, that the stator of motor can be allowed directly to receive is air-cooled for the benefit of setting straight wall through-hole, reduces motor temperature rise, carries High electric efficiency increases the ability that continues.

Further, setting straight wall through-hole can save raw material, mitigate production cost.

Further, motor casing and babinet and main motor junction chamber, auxiliary-motor junction chamber close fit.

The motor is placed on outside motor casing, and with motor casing close fit, the two-side making of motor cover has main motor Fitting area and auxiliary-motor fitting area, the babinet that decile is formed with auxiliary-motor fitting area radially outer in main motor fitting area connect Hole, the internal diameter close fit of the convex ribs and main motor and auxiliary-motor die cavity of motor cover, center built in convex ribs is formed with main motor and pair The rotor of motor connects bearing mounting hole.

In a kind of form, main motor fitting area and the adjacent intermediate surface of auxiliary-motor fitting area are formed with flashboard, flashboard connection Solenoid valve opens solenoid valve by control order and flashboard is pushed to carry out to being arranged in controller room when motor reaches a constant temperature and rises Heat reduces the indoor temperature of controller.

The gear assemblies are made of driving gear, driven gear, carrier gear, pinion, output shaft.

The driving gear, driving gear are installed on main shaft, and driving gear is engaged with driven gear.

In a kind of form, main shaft is attached with main motor shaft by spline housing.

The driven gear, driven gear are installed on output shaft, and with output shaft the second spline close fit.

Further, driven gear is engaged with driving gear and carrier gear.

Further, driven gear internal diameter installs the first isolator, and the first isolator of driven gear acts on vehicle disconnected It is detached from and is driven with gear assemblies when electric sliding state, increase vehicle sliding ability.

The carrier gear, carrier gear are installed on bridge shaft, and carrier gear is engaged with pinion and driven gear.

In a kind of form, carrier gear, which is arranged carrier gear and passes a bridge to combine from tooth, to be driven, and carrier gear and gap bridge is arranged It is to amplify transmission ratio from the advantage of tooth combination transmission, auxiliary-motor can be made to obtain higher speed design.

Further, it carrier gear and passes a bridge from tooth concentric co-axial.

In a kind of form, under the premise of carrier gear and passing a bridge is combined from tooth and is driven, in carrier gear internal diameter installation the Two isolators.

Further, carrier gear and pinion engagement, gap bridge are engaged from tooth with driven gear.Further, carrier gear Second isolator acts on vehicle and is detached from drive connection with pinion when main motor drives.

The pinion, pinion are installed on countershaft, and pinion is engaged with carrier gear.

In a kind of form, countershaft is attached with auxiliary-motor axis by spline housing.

The hub brake disk, hub brake pan bottom center are formed with inner groovy, hub brake disk sagittal plane be formed with point in support rod Location hole and locating rod mounting hole, hub brake disk radially outer are formed with case lid fitting area.

Further, case lid fitting area is connected firmly with case cover-use screw.

In a kind of form, support rod location hole and support rod close fit.

Further, support rod is placed in the activity cooperation to circumferentially rotate in support rod location hole.

Further, the brake system of support rod connection vehicle, when needing on-position, brake system pulls support rod rotation Turn, so that rectangular rotational angle of support rod is directed at brake block and expanded to outside, realizes that brake block engages braking vehicle with wheel hub inner ring Wheel.

In a kind of form, locating rod mounting hole is connected firmly with locating rod.

Further, the semi-circular recesses close fit of locating rod and brake block, brake block is with locating rod mounting hole when braking For the center of circle, the rotation of support rod one end makes brake block expand outwardly and reaches braking effect.

The brake block is combined as a set of braking system system for two by left and right, and brake block is holder with metallic aluminium, outside packet There is brake rubber block, one end of brake block is semicircular indentations shape, becomes circular hole after two combinations, circular hole coordinates with locating rod, stops Another transverse plane straight wall shape of vehicle piece coordinates with the rectangular item of support rod；It is formed with that left and right is corresponding to wear in the Inner standpipe of brake block Hole, perforation installation tension spring, tension spring serve as the reset after brake block braking.

The controller is installed on the adjacent space of the main motor die cavity and auxiliary-motor die cavity of motor casing, makes motor and control One is made in device processed, is conducive to reasonable wiring.

Further, after one is made with motor in controller, controller is made to be placed in outside electric vehicle, vehicle can connect when driving By air-cooled, effectively reduction controller fever Wen Sheng, lifting controller efficiency.

A kind of side hanging electric bicycle Dual-motors Driving assembly of the utility model, integrate machinery, electronics, number Electromechanical integration driving device, Dual-motors Driving assembly is under the close fit of control system（The default driving journey of control system Sequence）, the operational mode of different road conditions can be made automatically according to the road surface speed of service, for example, in normal road, system is only Control main motor is operated, and starts auxiliary-motor power-assisted when load is with starting, this drive mode can make the work(of main motor Rate applies all to speed, and in the loaded state, double reduction of the auxiliary-motor through carrier gear connects driven gear power-assisted, can obtain The transmission ratio for obtaining bigger compared with than 200610138450.2 patented technologies there is the multiple of product to increase torque, such as： The primary speed-down ratio of 200610138450.2 patented technologies is 2, and the utility model double reduction ratio is 2 square, meanwhile, pass through Double reduction increases the setting of transmission ratio, can improve the more high-revolving design of auxiliary-motor, accomplishes that small-volume large-power saves system This is caused, more benefits from user, and energy saving effect is brought for country；Dual-motors Driving assembly is in order to solve 200610138450.2 technological deficiency has passed through the unidirectional setting of driven gear in gear assemblies, vehicle can have been made to slide It is detached from the electromagnetic resistance of main motor and auxiliary-motor when row, compared with than 200610138450.2 patented technologies, energy is slided with farther Power obtains energy-saving effect；In design of electrical motor part, the integrated shell for using main motor and auxiliary-motor makes, can make outside shell Week setting radiating ribs, increase heat dissipation area, so that main motor, auxiliary-motor have faster heat sinking function, promote electric efficiency and obtain The ability of continuing must be increased, it is once molding formed that integrated shell making can allow motor casing to obtain, and saves molding expenses of labour, while in master Motor and auxiliary-motor adjacent space setting controller assembly section, keep controller installation more reasonable, have rejected the numerous of known technology The trivial mode of connection.

Description of the drawings

Fig. 1 is the utility model general assembly schematic diagram；

Fig. 2 is the utility model and chain stay connection diagram；

Fig. 3 is the combination carrier gear schematic diagram of transmission mechanism；

Fig. 4 is babinet front view；

Fig. 5 is babinet vertical view；

Fig. 6 is case lid front view；

Fig. 7 is case lid vertical view；

Fig. 8 is transmission mechanism schematic diagram；

Fig. 9 is motor casing vertical view；

Figure 10 is the main diagram of motor casing；

Figure 11 is motor cover vertical view；

Figure 12 is motor cover upward view；

Figure 13 is motor casing and box body combinations schematic diagram；

Figure 14 is hub brake disk stereogram；

Figure 15 is hub brake disk bottom isometric view；

Figure 16 is output shaft and reduction box combination stereogram；

Figure 17 is reduction box, output shaft, hub brake disk combination stereogram；

Figure 18 is brake block and attachment combination diagram；

Figure 19 is brake block on-position schematic diagram.

Specific implementation mode

The utility model discloses a kind of side hanging electric bicycle Dual-motors Driving assembly, as Fig. 1,2,3,8,13,16, Shown in 17, it is made of main motor 1, auxiliary-motor 2, reduction box, gear assemblies 5, hub brake disk 8, brake block 7；It is characterized in that double Motor drive assembly is installed on the left side rear wheel position of right ahead, by the 37 side chain stay of front hangers of Gearbox 3 Chain stay 9 after connecting hole 371 connects is formed with main motor junction chamber 31 and auxiliary-motor junction chamber 32, main motor connection outside reduction box Room 31 is connected with main motor 1, and auxiliary-motor junction chamber 32 is connected with auxiliary-motor 2, and gear assemblies are installed in reduction box 5, the middle part of output shaft 522 is formed with the first spline 5221 of the cooperation of wheel hub 6, the output shaft 522 in reduction box be formed with from The second spline 5222 that moving gear 52 coordinates, 52 internal diameter of driven gear are equipped with the first isolator 521, the second flower of output shaft 522 Key 5222 and 52 first isolator of driven gear, 521 close fit, constitute power output actuator；The master of gear assemblies 5 Moving gear 51 engages the drive mode for constituting the normal very fast traveling in road surface, the pinion 54 of gear assemblies 5 with driven gear 52 It is engaged with driven gear 52 by 53 transmission speed of carrier gear, constitutes the 2 power-assisted drive mode of auxiliary-motor under load condition.

A kind of one embodiment of side hanging electric bicycle Dual-motors Driving assembly of the utility model：As Fig. 1,2,3,4, 5, shown in 8,9, the main motor 1 is made of rotor, stator, winding, the motor casing 100 being installed on outside Gearbox 3 Rear, main motor shaft 11 connect the main shaft 511 in reduction box, and driving gear 51 is housed on main shaft 511, the connection of driving gear 51 from Moving gear 52 constitutes the drive mode on normal road surface and very fast traveling.

The auxiliary-motor 2, auxiliary-motor 2 are installed on by being formed from rotor, from stator, from winding outside Gearbox 3 100 front of motor casing, auxiliary-motor axis 21 connect the countershaft 541 in reduction box, pinion 54, pinion 54 are housed on countershaft 541 It is engaged with carrier gear 53, carrier gear 53 is engaged with driven gear 52 constitutes 2 power-assisted drive mode of auxiliary-motor.

In a kind of form, pinion 54 is equipped with third isolator 540, and vehicle can be made run disengaging pair in the power-off state 2 magnetic resistance of motor, obtains farther coasting ability.

As Fig. 1,2,4,5,6,7,9, it is shown, the reduction box is made of babinet 3 and case lid 4.

The babinet 3,3 front of babinet are formed with hangers 37, and 9 connecting hole 371 of chain stay, chain stay 9 are formed on 37 side of hangers For connecting hole 371 for connecting firmly chain stay 9,3 inner cavity of babinet is formed with first bearing mounting hole 33, second bearing mounting hole 34, third axis Mounting hole 35, fourth bearing mounting hole 36 are held, respectively fixing bearing；Main motor junction chamber 31 and auxiliary-motor are formed with outside babinet 3 Junction chamber 32 is formed with the gear to match with motor casing 100 in the adjacent space of main motor junction chamber 31 and auxiliary-motor junction chamber 32 Muscle, provided with block reinforcement can with 100 close fit of motor casing and seal, to install controller in this space, after babinet 3 Side is formed with oil filler 38, and oil filler 38 is by blind nut fitted seal.

Further, 31 radially outer of main motor junction chamber is formed with main motor mounting hole 311.

Further, 32 radially outer of auxiliary-motor junction chamber is formed with auxiliary-motor mounting hole 321.

In a kind of form, main shaft seal circle hole 331 is formed at 31 center of main motor junction chamber.

In a kind of form, secondary shaft seal circle hole 361 is formed at 32 center of auxiliary-motor junction chamber.

Further, secondary shaft seal circle hole 361 and the 36 correct centering of fourth bearing mounting hole.

Further, main shaft seal circle hole 331 and the 33 correct centering of first bearing mounting hole.

In a kind of form, fuel outlet 39 is formed in straight wall below babinet 3, fuel outlet 39 can be used as when replacing gear oil Carry out discharge sump oil.

The case lid 4, the top of case lid 4 are formed with rear damping lifting lug 47,4 inner cavity of case lid be equipped with 5th bearing mounting hole 41, 7th bearing mounting hole 43,8th bearing mounting hole 44 and output Simmer ring location hole 42, to export sealing outside case lid 4 Make, directly to making hub brake disk fitting area 46 is extended, 6th bearing to be made in 46 opening's edge of hub brake disk fitting area centered on circle hole 42 Mounting hole 461 is formed with hub brake disk mounting hole 45 in 46 radially outer of hub brake disk fitting area.

In a kind of form, brake cable fixing groove 48 is equipped in 4 lower bottom part straight wall of case lid.

Further, case lid 4 and 3 close fit of babinet, are connected firmly with screw.

Further, the correct centering of radial direction of first bearing mounting hole 33 and 5th bearing mounting hole 41.

Further, the correct centering of radial direction of second bearing mounting hole 34 and 6th bearing mounting hole 461.

Further, the correct centering of radial direction of 3rd bearing mounting hole 35 and 7th bearing mounting hole 43.

Further, the correct centering of radial direction of fourth bearing mounting hole 36 and 8th bearing mounting hole 44.

Further, main shaft 511 is installed between first bearing mounting hole 33 and 5th bearing mounting hole 41.

Further, output shaft 522 is installed between second bearing mounting hole 34 and 6th bearing mounting hole 461.

Further, bridge shaft 533 is installed between 3rd bearing mounting hole 35 and 7th bearing mounting hole 43.

Further, countershaft 541 is installed between fourth bearing mounting hole 36 and 8th bearing mounting hole 44.

As shown in Fig. 9,10,13, the motor casing 100, it is uniformly distributed that 100 periphery of motor casing faces radiating ribs 1003 directly；Motor 100 2 side of shell is formed with the iron core installation die cavity 1000 of main motor 1 and auxiliary-motor 2, is formed with outside die cavity 1000 and is connect with babinet 3 Decile perforation 1002；Semicircle straight trough 1001 is formed on the internal diameter peripheral wall of die cavity 1000, semicircle straight trough 1001 can be used for The positioning of electric machine iron core installation；1 chamber of main motor connect with straight wall with 2 chamber adjacent part of auxiliary-motor and with 3 close fit of babinet, Constitute controller junction chamber and installation controller.

In a kind of form, in the peripheral wall of two sides and lower section outside the installation of the main motor 1 and auxiliary-motor 2 of motor casing 100, Several straight wall through-holes 1005 are set, the benefit of setting straight wall through-hole 1005 stator of motor can be allowed directly to receive air-cooled, drop Low motor temperature rise improves electric efficiency, increases the ability that continues.

Further, setting straight wall through-hole 1005 can save raw material, mitigate production cost.

Further, motor casing 100 and babinet 3 and main motor junction chamber 31,32 close fit of auxiliary-motor junction chamber.

As shown in Figure 11,12, the motor cover 200 is placed in outside motor casing 100, and with 100 close fit of motor casing, The two-side making of motor cover 200 has main motor fitting area 201 and auxiliary-motor fitting area 202, in main motor fitting area 201 and auxiliary-motor 202 radially outer of fitting area is formed with the babinet connecting hole 2002 of decile, convex ribs 2000 and the main motor 1 and pair electricity of motor cover 200 The internal diameter close fit of 2 die cavity 1000 of machine, center built in convex ribs 2000 is formed with main motor 1 and connects bearing with the rotor of auxiliary-motor 2 Mounting hole 2001.

As shown in Fig. 2,3,8, the gear assemblies 5 are by driving gear 51, driven gear 52, carrier gear 53, pair Gear 54, output shaft 522 form.

The driving gear 51, driving gear 51 are installed on main shaft 511, and driving gear 51 is engaged with driven gear 52.

In a kind of form, main shaft 511 is attached with main motor shaft 11 by spline housing 50.

The driven gear 52, driven gear 52 are installed on output shaft 522, and with 522 second spline 5222 of output shaft Close fit.

Further, driven gear 52 is engaged with driving gear 51 and carrier gear 53.

Further, 52 internal diameter of driven gear installs the first isolator 521, the first isolator 521 effect of driven gear 52 It is detached from and is driven with gear assemblies 5 when powering off sliding state in vehicle, increase vehicle sliding ability.

The carrier gear 53, carrier gear 53 are installed on bridge shaft 533, carrier gear 53 and pinion 54 and driven Gear 52 engages.

In a kind of form, carrier gear 53, which is arranged carrier gear 53 and passes a bridge to combine from tooth 532, to be driven, and carrier gear is arranged 53 are to amplify transmission ratio with the advantage being driven from the combination of tooth 532 of passing a bridge, and can make the acquisition higher speed design of auxiliary-motor 2.

Further, it carrier gear 53 and passes a bridge from 532 concentric co-axial of tooth.

In a kind of form, under the premise of carrier gear 53 and passing a bridge is combined from tooth 532 and is driven, in 53 internal diameter of carrier gear Second isolator 531 is installed.

Further, carrier gear 53 and pinion 54 engage, and gap bridge is engaged from tooth 532 with driven gear 52.

Further, it is de- with pinion 54 when main motor 1 drives to act on vehicle for the second isolator 531 of carrier gear 53 From drive connection.

The pinion 54, pinion 54 are installed on countershaft 541, and pinion 54 is engaged with carrier gear 53.

In a kind of form, countershaft 541 is attached with auxiliary-motor axis 21 by spline housing 50.

As shown in Fig. 2,6,7,14,15,16,17,18,19, the hub brake disk 8,8 bottom centre of Gu Shapan is formed with indent Slot 84,8 sagittal plane of hub brake disk be formed with point in support rod location hole 81 and locating rod mounting hole 82,8 radially outer of hub brake disk It is formed with case lid fitting area 83.

Further, case lid fitting area 83 is connected firmly with case lid 4 with screw.

In a kind of form, support rod location hole 81 and 811 close fit of support rod.

Further, support rod 811 is placed in the activity cooperation to circumferentially rotate in support rod location hole 81.

Further, support rod 811 connects the brake system of vehicle, and when needing on-position, brake system pulls bearing Bar 811 rotates, and so that 811 rectangular rotational angles of support rod is directed at brake block 7 and is expanded to outside, is realized in brake block 7 and wheel hub 6 Circle engagement brake wheel.

In a kind of form, locating rod mounting hole 82 is connected firmly with locating rod 821.

Further, 72 close fit of semicircular indentations of locating rod 821 and brake block 7, brake block 7 is with locating rod when braking Mounting hole 82 is the center of circle, and the rotation of 811 one end of support rod makes brake block 7 expand outwardly and reaches braking effect.

As shown in Figure 18,19, the brake block 7 is combined as a set of braking system system for two by left and right, and brake block 7 uses metal Aluminium is holder, and outside is surrounded by brake rubber block 71, and one end of brake block 7 is 72 shape of semicircular indentations, becomes circular hole after two combinations, Circular hole coordinates with locating rod 821, another transverse plane straight wall shape of brake block 7, coordinates with 811 rectangular item of support rod；Brake block 7 The corresponding perforation in left and right, perforation installation tension spring 73 are formed in Inner standpipe, tension spring 73 serves as the reset after brake block 7 is braked.

The controller is installed on the adjacent vacant of 2 die cavity 1000 of 1 die cavity 1000 of main motor and auxiliary-motor of motor casing 100 Between, make motor that one be made with controller, is conducive to reasonable wiring.

Further, after one is made with motor in controller, controller is made to be placed in outside electric vehicle, vehicle can connect when driving By air-cooled, effectively reduction controller fever Wen Sheng, lifting controller efficiency.

Technical staff, which is appreciated that in the case where not departing from the utility model, to include that data are made to disclosed configuration Go out appropriate adjustment, example as described above illustrates rather than the purpose of limitation, it will be apparent to those skilled in that understanding To aforesaid operations are not being changed, identical purpose can be reached to the modification of configuration or mounting process into very little, this Utility model is restricted by claims.

Claims (8)

1. a kind of side hanging electric bicycle Dual-motors Driving assembly, by main motor (1), auxiliary-motor (2), reduction box, gear set Component (5), hub brake disk (8), brake block (7) composition；It is characterized in that Dual-motors Driving assembly is installed on a left side for right ahead Side rear frame portion, by chain stay connecting hole beside the front hangers (37) of Gearbox (3)（371）Chain stay (9) after connection are slowed down Main motor junction chamber (31) and auxiliary-motor junction chamber (32), main motor junction chamber (31) and main electricity are formed with outside the babinet (3) of case Machine (1) is connected, and auxiliary-motor junction chamber (32) is connected with auxiliary-motor (2), installation gear assemblies (5) in reduction box, The first spline (5221) of wheel hub (6) cooperation is formed in the middle part of output shaft (522), output shaft (522) system being mounted in reduction box There are the second spline (5222) with driven gear (52) cooperation, driven gear (52) internal diameter that the first isolator (521), output are housed The second spline (5222) of axis (522) and driven gear (52) first isolator (521) close fit constitute power output transmission Device；The driving gear (51) of gear assemblies (5) engages the driving for constituting the normal very fast traveling in road surface with driven gear (52) The pinion (54) of pattern, gear assemblies (5) is engaged by carrier gear (53) transmission speed with driven gear (52), is constituted negative Auxiliary-motor (2) power-assisted drive mode under load state.

2. a kind of side hanging electric bicycle Dual-motors Driving assembly as described in claim 1, it is characterised in that hangers (37) Side is formed with chain stay (9) connecting hole (371), and for connecting firmly chain stay (9), babinet (3) inner cavity is formed with chain stay (9) connecting hole (371) First bearing mounting hole (33), second bearing mounting hole (34), 3rd bearing mounting hole (35), fourth bearing mounting hole (36), Fixing bearing respectively；It is formed with and motor casing (100) in the adjacent space of main motor junction chamber (31) and auxiliary-motor junction chamber (32) The block reinforcement to match is formed with oil filler (38) at the rear of babinet (3), and oil filler (38) is by blind nut fitted seal.

3. a kind of side hanging electric bicycle Dual-motors Driving assembly as described in claim 1, it is characterised in that on case lid (4) Side is formed with rear damping lifting lug (47), and case lid (4) inner cavity is equipped with 5th bearing mounting hole (41), 7th bearing mounting hole (43), the Eight bearing mounting holes (44) and output Simmer ring location hole (42), case lid (4) are external to export Simmer ring location hole (42) Centered on make directly to extend make hub brake disk fitting area (46), hub brake disk fitting area (46) opening's edge make 6th bearing mounting hole (461), it is formed with hub brake disk mounting hole (45) in hub brake disk fitting area (46) radially outer, is set in case lid (4) lower bottom part straight wall There is brake cable fixing groove (48).

4. a kind of side hanging electric bicycle Dual-motors Driving assembly as described in claim 1, it is characterised in that motor casing (100) it is uniformly distributed to face radiating ribs (1003) directly for periphery；(100) two side of motor casing is formed with the iron core peace of main motor (1) and auxiliary-motor (2) Die-filling chamber (1000) is formed with the decile being connect with babinet (3) outside die cavity (1000) and perforates (1002)；In die cavity (1000) Semicircle straight trough (1001) is formed on internal diameter peripheral wall, semicircle straight trough (1001) can be used for the positioning of electric machine iron core installation；In master Motor (1) chamber connect with straight wall with auxiliary-motor (2) chamber adjacent part and with babinet (3) close fit.

5. a kind of side hanging electric bicycle Dual-motors Driving assembly as described in claim 1, it is characterised in that motor cover (200) it is external to be placed in motor casing (100), and with motor casing (100) close fit, the two-side making of motor cover (200) has main motor Fitting area (201) and auxiliary-motor fitting area (202), in main motor fitting area (201) and auxiliary-motor fitting area (202) radially outer It is formed with the babinet connecting hole (2002) of decile, convex ribs (2000) and main motor (1) and auxiliary-motor (2) die cavity of motor cover (200) (1000) internal diameter close fit, center built in convex ribs (2000) are formed with main motor (1) and connect bearing with the rotor of auxiliary-motor (2) Mounting hole (2001).

6. a kind of side hanging electric bicycle Dual-motors Driving assembly as described in claim 1, it is characterised in that gear combination Part (5) is made of driving gear (51), driven gear (52), carrier gear (53), pinion (54), output shaft (522).

7. a kind of side hanging electric bicycle Dual-motors Driving assembly as described in claim 1, it is characterised in that carrier gear (53) it is engaged with pinion (54) and driven gear (52).

8. a kind of side hanging electric bicycle Dual-motors Driving assembly as described in claim 1, it is characterised in that carrier gear (53) carrier gear (53) is set and passes a bridge to combine from tooth (532) and is driven, carrier gear (53) and gap bridge are concentric same from tooth (532) Axis installs the second isolator (531) in carrier gear (53) internal diameter, and carrier gear (53) and pinion (54) engage, gap bridge from Tooth (532) is engaged with driven gear (52).