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Forward-and-backward rotation variable-speed hub motor

A technology of in-wheel motors and motor shafts, which is applied in electromechanical devices, electrical components, mechanical equipment, etc., can solve problems such as reduced power and torque, and easy burnout of motors and control systems.

Inactive Publication Date: 2013-03-06
蔡旭阳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the motor is adjusted to run at a low speed, its output power and torque will decrease correspondingly, making the electric vehicle powerless during the uphill process, and the current amplifies the motor to heat up when going uphill, making the motor and the control system easy to burn out

Method used

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  • Forward-and-backward rotation variable-speed hub motor
  • Forward-and-backward rotation variable-speed hub motor
  • Forward-and-backward rotation variable-speed hub motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Such as Figure 1 to Figure 6 Shown is the first embodiment of the hub motor with forward and reverse speed change of the present invention. The electric vehicle transmission includes a hub ring 5, a box body 1 and related transmission mechanisms, and the box body 1 is fixedly connected to the motor 2 and the support shaft 11. Above, the fulcrum 11 is used to connect and fix the whole machine on the vehicle frame.

[0019] After the motor 2 is energized and rotated, the motor shaft gear 4 at the end of the motor shaft 3 meshes with the main shaft input gear 7 to rotate, and the main shaft input gear 7 rotates to drive the main shaft 8 to rotate.

[0020] Such as figure 1 As shown in , the first gear output gear 10A and the second gear output gear 10 are fixed on the output shaft 25, and the diameters and the number of teeth of the two output gears are different. The corresponding looper on the main shaft 8 has a second gear driving gear 9 meshing with the second gear ...

Embodiment 2

[0025] Such as Figure 7 As shown in , the hub ring is provided with two motors 2 fixed on the side of the support shaft 11, and the motor shafts 3 of the two motors are parallel to the support shaft 11. The casings of the two motors 2 are connected structures. As long as the casings of the motors 2 are fixed on the support shaft 11, the corresponding motors are fixed. Therefore, the installation of the motor 2 is only related to the support shaft 11, and is related to the support shaft 11. The hub ring 5 is irrelevant, and there is no need to consider the concentricity between the motor shaft 3 and the support shaft 11, so it is convenient to select the same or different types of motors 3 according to needs, including different speeds, different sizes or different powers. Moreover, the motors are relatively fixed, and the overall rigid structure is good. The diameters of the motor shaft teeth 4 on the two motor shafts 3 are the same or different. This embodiment has two gear...

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Abstract

The invention belongs to the technical field of electric vehicle power transmission, and aims at solving the problem that a motor can not output different vehicle speeds and different torques at the same rotation speed. A forward-and-backward rotation variable-speed hub motor comprises a hub ring, an end face and a case body, wherein the case body and the motor are fixed on a fulcrum shaft; the motor is provided with a motor shaft which is in transmission connection with a main shaft; driving gears are flexibly sleeved on the main shaft; a second-gear driving gear is in engaged transmission with an output gear fixed on an output shaft; a skewed slot is formed on the main shaft; when the main shaft rotates, under the action of the skewed slot, a sliding piece is in clamped connection with the second-gear driving gear or a first-gear driving gear and rotates, and the first-gear driving gear drives a first-gear output gear through a reversing gear, thereby driving the output shaft to rotate; and through forward and backward rotation of the main shaft, the sliding piece is coupled with or separated from the second-gear driving gear or first-gear driving gear, thereby switching to first-gear or second-gear power output.

Description

technical field [0001] The invention belongs to the technical field of power transmission of electric vehicles, in particular to the technical field of forward and reverse variable speed motor transmission. Background technique [0002] The driving power of a common electric vehicle is mainly changed by adjusting the voltage and current input to the motor and changing the speed of the motor. However, when the motor is adjusted to run at a low speed, its output power and torque are correspondingly reduced, making the electric vehicle weak during the uphill process, and the current amplifies the motor to generate heat during uphill, which makes the motor and the control system easy to burn out. Contents of the invention [0003] In order to solve the above shortcomings, the purpose of the present invention is to provide a simple structure, convenient shifting operation, small size, and can obtain different vehicle speeds and different torques at the same speed at the same ti...

Claims

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Application Information

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IPC IPC(8): H02K7/116F16H3/089
Inventor 蔡贵席
Owner 蔡旭阳
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