CN209814176U - Motor tricycle with novel differential mechanism - Google Patents

Abstract

The utility model discloses a three-wheeled motorcycle with a novel differential, which comprises a vehicle frame, a differential, a left rear wheel and a right rear wheel, and the differential comprises a casing, a first gear, a first turntable and a second Two turntables, the left rear wheel is connected to the first output shaft, the right rear wheel is connected to the second output shaft, the first output shaft and the second output shaft are connected to the first gear respectively, and the first output shaft is close to the side of the first gear The first turntable is fixedly connected, the side of the second output shaft close to the first gear is fixedly connected to the second turntable, the first iron block group and the second iron block group are respectively arranged on both sides of the first gear, the first turntable and the second turntable The first electromagnet group and the second electromagnet group are arranged respectively, the first iron block group is aligned with the first electromagnet group, the second iron block group is aligned with the second electromagnet group, and the differential is also provided with The electric control device is used to control the first electromagnet group and the second electromagnet group to be energized to generate magnetic force.

Description

A three-wheeled motorcycle with a new differential

technical field

The utility model relates to the technical field of vehicle manufacturing, in particular to a three-wheeled motorcycle with a novel differential.

Background technique

A three-wheeled motorcycle is a type of motor vehicle. Three wheels are installed to install a compartment or a flat panel for carrying people or loading goods.

At present, a general three-wheeled motorcycle is provided with a differential in the rear transmission so that the speed of the inner rear wheel is lower than the outer speed when turning around and turning, so that the turning radius of the inner rear wheel is smaller than that of the upper rear wheel Radius, to ensure normal driving. The differential is composed of left and right differential housings, 2 side gears, 4 (or 2) planetary gears and planetary gear shafts and other parts. When the three-wheeled motorcycle is driving or turning on an uneven road, it can prevent the other rear wheel from slipping. This kind of differential structure is comparatively complicated, and the road condition that three-wheel motorcycle often travels is not very good, and when a rear wheel fell into muddy ground or pit, this rear wheel got stuck easily and was not easy to get out of trouble.

Contents of the invention

Aiming at the deficiencies of the prior art, the utility model provides a three-wheeled motorcycle with a new type of differential, which has a simple structure and can make the speed of the inner rear wheel lower than the outer speed when the wheels turn around and turn. When the wheels fall into the mud or pits, the two rear wheels can be rotated synchronously and be stressed at the same time, which is convenient for the vehicle to get out of trouble.

The technical solution adopted by the utility model to solve the technical problems is: a three-wheeled motorcycle with a new differential, including a vehicle frame, a differential, a left rear wheel and a right rear wheel, and the differential includes Housing, first gear, first turntable and second turntable, the left rear wheel is connected to the first output shaft, the right rear wheel is connected to the second output shaft, the first output shaft and the second output shaft are respectively Rotationally connected to the transmission sleeve, the side of the first output shaft close to the transmission sleeve is fixedly connected to the first turntable, and the side of the second output shaft close to the transmission sleeve is fixedly connected to the first Two turntables, a first iron block group and a second iron block group are respectively arranged on both sides of the transmission sleeve, and a first electromagnet group and a second electromagnet group are respectively arranged on the first turntable and the second turntable, The first iron block group is aligned with the first electromagnet group, the second iron block group is aligned with the second electromagnet group, and also includes a linkage mechanism, and the linkage mechanism is arranged on the vehicle The power of the engine is transmitted to the first gear on the frame, and an electric control device is also arranged in the differential, and the electric control device is used to control the energization of the first electromagnet group and the second electromagnet group Generate magnetic force.

When the vehicle turns left, let the turning angle be β, the front and rear wheelbase be a, the left and right rear wheel track be b, and the turning radius of the right rear wheel R=a/sin(β)+(b/2), The turning radius of the left rear wheel r=a/sin(β)-(b/2), the electronic control device controls the first electromagnet group to generate magnetic force, and the first electromagnet group is turned on and off The time ratio is r/R, the turning radius of the left rear wheel is smaller than the radius of the right rear wheel, so that the vehicle can turn left smoothly;

When the vehicle turns right, let the turning angle be β, the front and rear wheelbase be a, the left and right rear wheel track be b, and the turning radius of the left rear wheel R=a/sin(β)+(b/2), The turning radius of the right rear wheel r=a/sin(β)-(b/2), the electronic control device controls the second electromagnet group to generate magnetic force, and the second electromagnet group is turned on and off The time ratio is r/R, the turning radius of the right rear wheel is smaller than the radius of the left rear wheel, so that the vehicle can turn right smoothly;

When one of the rear wheels of the vehicle is trapped, the electronic control device controls the first electromagnet group and the second electromagnet group to be energized at the same time to generate magnetic force, and the first gear attracts the first turntable and the second turntable , the left rear wheel and the right rear wheel follow the first gear to rotate at the same time, which is convenient for the wheels to get out of trouble.

In the above technical solution, preferably, the linkage mechanism includes a first shaft, a second shaft, a third shaft, a second gear, a third gear, a fourth gear and a cross steering gear, and the second gear and the first The three gears are arranged on the first rotating shaft, the third gear is arranged on the second rotating shaft, the second rotating shaft and the third rotating shaft are connected through the cross steering gear, and the second gear is connected to the third rotating shaft. The first gear meshes, the third gear meshes with the fourth gear, and the engine drives the third shaft to rotate to drive the first gear to move.

In the above technical solution, preferably, the third gear and the fourth gear are bevel gears.

In the above technical solution, preferably, the third rotating shaft drives the second rotating shaft and the first rotating shaft to move at the same speed, and the first rotating shaft drives the first gear to move at a reduced speed.

In the above technical solution, preferably, the first output shaft and the second output shaft are connected to the first gear through bearings.

The beneficial effect of the utility model is that: the output shafts of the left rear wheel and the right rear wheel are independently rotated, and are respectively connected to the first gear by rotation, and iron blocks are arranged on both sides of the first gear A turntable is respectively set on the first output shaft and the second output shaft on both sides of the first gear, and an electromagnet group corresponding to the iron block group is arranged on the turntable, and the magnetic force is generated by controlling the electrification of the electromagnet group to adsorb the first The iron block group on the gear drives the left rear wheel or the right rear wheel to rotate under the driving force of the first gear. The utility model has a simple structure, and can make the speed of the inner rear wheel lower than the outer speed when the wheel turns around and turns. When one rear wheel of the vehicle sinks into the mud or a pit, the two rear wheels can be rotated synchronously and be stressed at the same time, which is convenient The vehicle escaped.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic diagram of installation of the differential gear of the present utility model.

Fig. 2 is a schematic diagram of installation of the internal structure of the differential of the utility model.

Fig. 3 is a bottom view of the vehicle of the present invention.

In the figure, 1. frame, 2. left rear wheel, 3. right rear wheel, 4. first output shaft, 5. second output shaft, 6. first gear, 7. first turntable, 8. second Turntable, 9. The first electromagnet group, 10. The second electromagnet group, 11. The first iron block group, 12. The second iron block group, 13. Differential, 14. Housing, 15. Engine, 16. The first rotating shaft, 17. the second rotating shaft, 18. the third rotating shaft, 19. the second gear, 20. the third gear, 21. the fourth gear, 22. the cross steering gear.

Detailed ways

As shown in Figure 1-3, a kind of three-wheeled motorcycle with new type differential, comprises vehicle frame 1, differential 13, left rear wheel 2 and right rear wheel 3, and described differential 13 comprises housing 14. The first gear 6, the first turntable 7 and the second turntable 8, the left rear wheel 2 is connected to the first output shaft 4, the right rear wheel 3 is connected to the second output shaft 5, and the first output shaft 4 and the second output shaft 5 are respectively rotationally connected to the first gear 6, the side of the first output shaft 4 close to the first gear 6 is fixedly connected to the first turntable 7, and the second The side of the output shaft 5 close to the first gear 6 is fixedly connected to the second turntable 8, and the first iron block group 11 and the second iron block group 12 are arranged on both sides of the first gear 6 respectively. A first group of electromagnets 9 and a second group of electromagnets 10 are respectively arranged on the first rotating disk 7 and the second rotating disk 8, and the first group of iron blocks 11 is aligned with the first group of electromagnets 9. The second iron block group 12 is aligned with the second electromagnet 10 group, and also includes a linkage mechanism, and the linkage mechanism is arranged on the vehicle frame 1 to transmit the power of the engine 15 to the first gear 6, so An electric control device is also arranged in the differential 13, and the electric control device is used to control the first electromagnet group 9 and the second electromagnet group 10 to be energized to generate magnetic force.

Wherein, the linkage mechanism includes a first rotating shaft 16, a second rotating shaft 17, a third rotating shaft 18, a second gear 19, a third gear 20, a fourth gear 21 and a cross steering gear 22, and the second gear 19 and the The third gear 20 is arranged on the first rotating shaft 16, the third gear 20 is arranged on the second rotating shaft 17, and the second rotating shaft 17 and the third rotating shaft 18 pass through the cross steering gear 22, the second gear 19 meshes with the first gear 6, the third gear 20 meshes with the fourth gear 21, and the engine 15 drives the third shaft 18 to rotate to drive the first Gear 6 movement. The third gear 20 and the fourth gear 21 are bevel gears. The third rotating shaft 18 drives the second rotating shaft 17 and the first rotating shaft 16 to move at the same speed, and the first rotating shaft 16 drives the first gear 6 to move at a reduced speed. The first output shaft 4 and the second output shaft 5 are connected to the first gear 6 through bearings.

When the vehicle turns left, set the turning angle as β, the front and rear wheel bases as a, the left and right rear wheel bases as b, and the turning radius of the right rear wheel 3 R=a/sin(β)+(b/2) , the turning radius of the left rear wheel 2 r=a/sin(β)-(b/2), the electronic control device controls the first electromagnet group 9 to generate magnetic force, and the first electromagnet group The on-off time ratio of 9 is r/R, and the turning radius of the left rear wheel 2 is smaller than the radius of the right rear wheel 3, so that the vehicle can turn left smoothly;

When the vehicle is turning right, let the turning angle be β, the front and rear track be a, the left and right rear wheel track be b, and the turning radius of the left rear wheel 2 be R=a/sin(β)+(b/2) , the turning radius of the right rear wheel 3 r=a/sin(β)-(b/2), the electronic control device controls the second electromagnet group 10 to generate magnetic force, and the second electromagnet group The on-off time ratio of 10 is r/R, and the turning radius of the right rear wheel 3 is smaller than the radius of the left rear wheel 2, so that the vehicle can turn right smoothly;

When one of the rear wheels of the vehicle is trapped, the electronic control device controls the first electromagnet group 9 and the second electromagnet group 10 to be energized at the same time to generate magnetic force, and the first gear 6 is attracted to the first turntable 7 With the second turntable 8, the left rear wheel 2 and the right rear wheel 3 rotate simultaneously with the first gear 6, which is convenient for the wheels to get out of trouble.

Claims (3)

1. A three-wheeled motorcycle with a novel differential, comprising a vehicle frame, a differential, a left rear wheel and a right rear wheel, characterized in that: the differential includes a housing, a first gear, a first The turntable and the second turntable, the left rear wheel is connected to the first output shaft, the right rear wheel is connected to the second output shaft, the first output shaft and the second output shaft are respectively connected to the transmission sleeve in rotation, so The side of the first output shaft close to the transmission sleeve is fixedly connected to the first turntable, the side of the second output shaft close to the transmission sleeve is fixedly connected to the second turntable, and the two sides of the transmission sleeve A first group of iron blocks and a second group of iron blocks are set respectively, a first electromagnet group and a second electromagnet group are respectively arranged on the first turntable and the second turntable, the first group of iron blocks and the The first electromagnet group is aligned, the second iron block group is aligned with the second electromagnet group, and a linkage mechanism is also included, and the linkage mechanism is arranged on the vehicle frame to transmit the power of the engine to the A reduction motion is performed on the first gear, and an electric control device is arranged in the differential, and the electric control device is used to control the first electromagnet group and the second electromagnet group to generate magnetic force. 2. A kind of three-wheeled motorcycle with novel differential according to claim 1, characterized in that: when the vehicle turns right, the turning angle is β, the front and rear track is a, and the left and right rear wheels The distance is b, the turning radius of the left rear wheel is R=a/sin(β)+(b/2), the turning radius of the right rear wheel is r=a/sin(β)-(b/2), The on-off time ratio of the second electromagnet group is r/R; when the vehicle turns left, the turning angle is set to be β, the front and rear track is a, the left and right rear wheel track is b, and the right rear wheel's Turning radius R=a/sin(β)+(b/2), the turning radius of the left rear wheel r=a/sin(β)-(b/2), the on-off of the first electromagnet group The time ratio is r/R. 3. A three-wheeled motorcycle with a new differential according to claim 1, characterized in that: the first output shaft and the second output shaft are connected to the first gear through bearings.