Planetary composite pin shaft output cycloid differential mechanism
A differential gear and pin shaft technology, applied in the direction of differential transmission, belt/chain/gear, mechanical equipment, etc., can solve the problems of inconvenient front and rear wheel output torque, slow response speed, unequal ratio distribution, etc. Effects of range limitation, volume reduction, and improved torque carrying capacity
Inactive Publication Date: 2019-05-24
凌子龙
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Problems solved by technology
The current limited-slip differentials use electronically controlled multi-plate clutches to achieve locking, but the response speed is relatively slow, and some are realized by purely mechanical worm gears, and the cost is relatively high. When used as a central differential It is also not convenient to set the unequal distribution of the output torque of the front and rear wheels
Method used
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Embodiment 1
[0021] Example 1, such as Figure 1~Figure 3 As shown, the planetary compound pin shaft enters the central cycloid differential, which is composed of a housing, a crankshaft, two swing gears, an output wheel A, 4 planetary gears, an output wheel B, a crankshaft gear and a planetary gear sub-frame; The rotation axes of the crankshaft, output wheel A, output wheel B, crankshaft gear, planetary gear subframe and housing are coaxial, and the crankshaft passes through the central axis hole of the crankshaft gear through the oblate shaft to achieve coaxial and circumferential fixation. The ends are respectively embedded in output wheel A and output wheel B through bushings; the crankshaft gear A and the four planetary gears all use involute external spur gears with the same modulus, the crankshaft gear has 16 teeth, the planetary gear has 9 teeth, and the crankshaft gear As the sun gear, it meshes with 4 planetary gears at the same time; the housing includes the ring gear that is pr...
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The invention discloses a planetary composite pin shaft output cycloid differential mechanism. The planetary composite pin shaft output cycloid differential mechanism is characterized by comprises a shell, a crankshaft, a crankshaft gear, at least one planetary gear, at least one oscillating gear, an output wheel A and an output wheel B, wherein the autorotation axes of the crankshaft, the crankshaft gear, the output wheel A, the output wheel B and the shell are coaxial; the shell comprises an inner gear ring which is fixedly arranged in the circumferential direction of the shell and is meshedwith each oscillating gear, and the shell further comprises an inner gear ring which is circumferentially fixed with the shell and is meshed with each planetary gear; the crankshaft and the crankshaft gear are fixed in the circumferential direction, each stage of crank throw of the crankshaft penetrates through the central shaft hole of each oscillating gear correspondingly, a pin shaft is arranged on the output wheel A, and the pin shaft of the output wheel A penetrates through a corresponding pin shaft hole in each oscillating gear; the self-rotating shafts of the planetary gears are fixedin the circumferential direction of the output wheel B and is fixed in the radial direction, and the planetary gears are meshed with the crankshaft gear; and the shell, the output wheel A and the output wheel B are provided with a tooth-shaped structure or a hole-shaped structure for transmitting torque to external parts of a differential mechanism correspondingly.
Description
technical field [0001] The invention relates to a differential gear, which belongs to the technical field of mechanical transmission components, in particular to a planetary compound pin shaft output cycloid differential gear which can be used in automobiles. Background technique [0002] The differential is a mechanical transmission component, which is mostly used to transmit the power output from the gearbox of the car to two or four driving wheels. Due to uneven road surface and vehicle turning, the tracks of the driving wheels are different. If you keep the same speed Rotation will increase the friction between the wheel and the road surface, increasing the driving resistance of the vehicle, so the differential needs to output speed to the wheels according to the different operating conditions of each driving wheel. The traditional differential is mostly helical gear or crown gear structure. [0003] Limited slip differential, the English name is Limited Slip Differentia...
Claims
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IPC IPC(8): F16H48/06F16H48/38F16H48/42
Inventor 凌子龙
Owner 凌子龙