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2nd gear variable speed hub motor drive

A driving device and a second-speed transmission technology, applied in the field of electric transmission, can solve problems affecting system performance, reliability, and manufacturing costs, and achieve good power performance, simple structure, and high integration

Active Publication Date: 2019-06-28
CHINA NORTH VEHICLE RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the limited space inside the rim, the motor, speed change / reduction mechanism, and brake are integrated. At the same time, heat dissipation and lubrication, as well as the suspension connection between the electric drive wheel and the car body, are also considered. The selection of the overall scheme of the hub motor drive is directly determined. It affects the subsequent implementation of each subsystem component, and also affects the performance, reliability and manufacturing cost of the system

Method used

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  • 2nd gear variable speed hub motor drive
  • 2nd gear variable speed hub motor drive

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Embodiment

[0050] A two-speed variable-speed hub motor drive device, such as figure 1 and figure 2 As shown, it includes: drive motor 1, planetary reduction mechanism 2, planetary transmission mechanism 3, brake 21, support shaft 20, rim 22;

[0051] The planetary reduction mechanism 2, the first ordinary planetary row 4 and the second ordinary planetary row 5 are all ordinary planetary rows, each comprising a sun gear, a ring gear, a planet carrier and several planetary gears; the sun gear, the ring gear The planetary gear and the planetary carrier have a common fixed rotation shaft, and the planetary gear is supported on the planetary gear shaft fixed on the planetary carrier, meshes with the sun gear externally, and meshes with the ring gear at the same time; the planetary gear set includes at least three planetary gears; when the planetary When the platoon is running, the planetary gear on the planetary carrier revolves around the planetary gear shaft and revolves around the sun ge...

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Abstract

The invention belongs to the technical field of electric transmission, and in particular relates to a two-shift variable speed hub motor driving device. Compared with the prior art, the two-shift variable speed hub motor driving device has the advantages that the power of a driving motor is transmitted to a rim by a speed reduction mechanism and a variable speed mechanism to drive a wheel to rotate, and a vehicle has good dynamic property by a stepless speed adjustment function of the motor; and the driving motor, the speed reduction mechanism, the variable speed mechanism and a braking mechanism are integrated in the rim. The switching of two shifts is achieved by manipulating a hydraulic actuating cylinder and combining a gear sleeve to move along an axial direction, and the transmission efficiency is improved; with an integrated design of structures such as the driving motor, a planet speed reduction mechanism, a planet variable speed mechanism and a brake, on one hand, a support element can be shared, the size is reduced, and on the other hand, integral disassembly and maintenance are facilitated.

Description

technical field [0001] The invention belongs to the technical field of electric transmission, and in particular relates to a second-speed variable speed wheel hub motor driving device. Background technique [0002] Under the background of the new military revolution, the idea of ​​"lighter, more maneuverable, and more flexible" army equipment has become the mainstream. Wheeled armored vehicles with faster response and deployment speed will play a pivotal role in the future urban combat, peacekeeping and other rapid mobile operations and more and more low-intensity operations that the Army will deal with. High passability is another key technical feature of the new generation of wheeled chariots. With the increase in the demand for mobility in all areas, especially the combat requirements on plateaus, mountains, and platforms, the demand for high passability of wheeled chariots has increased significantly. The technological innovations of various new walking systems and susp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K7/10H02K7/116
CPCH02K7/10H02K7/116
Inventor 马田盖江涛马长军张静韩政达薛天扬万帆
Owner CHINA NORTH VEHICLE RES INST
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