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Electric vehicle wheel assembly capable of recycling road surface excitation energy

A technology for wheel components and excitation energy, which is applied to wheels, vehicle parts, engine components, etc., can solve problems such as increased work intensity, waste of resources and energy, damage to wheel parts, etc., to reduce work intensity, reduce oil loss, prevent The effect of reflow

Pending Publication Date: 2021-08-20
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing hydraulic shock absorbers use springs to absorb shocks and bounce back to consume road excitation energy, which mainly plays the role of shock absorption and noise reduction. A lot of waste of resources and energy
[0005] In addition, most of the existing electric vehicle wheels are replenished with lubricating oil by manually dismantling the wheel bearings. Frequent disassembly of the wheels not only increases the work intensity, but also causes damage to the wheel components.

Method used

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  • Electric vehicle wheel assembly capable of recycling road surface excitation energy
  • Electric vehicle wheel assembly capable of recycling road surface excitation energy
  • Electric vehicle wheel assembly capable of recycling road surface excitation energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] From figure 1 , figure 2 , Figure 9 It can be seen that a kind of electric vehicle wheel assembly of the present invention can reclaim road surface excitation energy, it comprises wheel 14, transmission part, two front and rear damping parts; The front and rear shock-absorbing components are located at the front and rear ends of the wheel 14; the shock-absorbing component is provided with a lubricating oil passage I, and the transmission part is provided with a lubricating oil passage II, and the two are connected.

[0031] The working principle of the electric vehicle wheel assembly of the present invention is: when the electric vehicle is running on an uneven road surface, the excitation energy of the uneven road surface causes the lubricating oil in the shock absorbing part to reach the transmission part through the lubricating oil passage I and the lubricating oil passage II, Lubricate the bearings in the transmission components. Therefore, the electric vehicle...

Embodiment 2

[0033] From figure 1 , figure 2 , image 3 , Figure 4 It can be seen that the electric vehicle wheel assembly of the present invention: each damping component includes a spring 1, a hydraulic cylinder 3, a piston 4, a piston rod 15, a check valve 2, and a shaft sleeve 16; The piston 4 is set in the hydraulic cylinder 3, the check valve 2 is connected to the bottom of the hydraulic cylinder 3, and the sleeve 16 is fixed on the lower part of the check valve 2; the oil inlet of the check valve 2 is connected to the bottom of the hydraulic cylinder 3 The oil outlet of the one-way valve 2 and the oil outlet of the one-way valve 2 are connected to the radial oil hole of the shaft sleeve 16; the hydraulic cylinder 3, the one-way valve 2, and the radial oil hole of the shaft sleeve 16 constitute the lubricating oil circuit of the shock-absorbing component I.

[0034] From figure 1 , figure 2 , image 3 It can be seen that each shock absorbing part also includes a gland 17, t...

Embodiment 3

[0040] From figure 1 , figure 2 , Figure 5 , Figure 6 , Figure 7 , Figure 8 It can be seen that the electric vehicle wheel assembly of the present invention: the transmission part includes the wheel shaft 6, the bushing 12, two front and rear ball bearings 10, and a nut 13; the wheel shaft 6 passes through the front and rear two bushings 16 and is locked by the nut 13, Two front and rear ball bearings 10 are arranged in the radial direction of both the wheel shaft 6 and the wheel 14, and the bushing 12 is sleeved on the middle section of the wheel shaft 6 to axially position the ball bearings 10; The axle lubricating oil passage and the ball bearing 10 are provided with a bearing oil inlet 11, the wheel axle lubricating oil passage and the bearing oil inlet 11 form the lubricating oil passage II on the transmission part, and the oil inlet holes of the wheel axle lubricating oil passage are respectively connected to the front and rear The radial oil holes of the shaft...

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Abstract

The invention discloses an electric vehicle wheel assembly capable of recycling road surface excitation energy. The electric vehicle wheel assembly comprises a wheel, a transmission part, a front damping part and a rear damping part. The transmission part is connected with the front damping part and the rear damping part, and the front damping part and the rear damping part are located at the front end and the rear end of the wheel. The damping part is provided with a lubricating oil way I, the transmission part is provided with a lubricating oil way II, and the two parts are communicated. Wherein each damping part comprises a spring, a hydraulic cylinder, a piston, a piston rod, a one-way valve and a shaft sleeve; an oil inlet of the one-way valve communicates with an oil outlet in the bottom of the hydraulic cylinder, and an oil outlet of the one-way valve communicates with a radial oil hole of the shaft sleeve. The hydraulic cylinder, the one-way valve and the radial oil hole of the shaft sleeve form a lubricating oil way I of the damping part. The electric vehicle wheel assembly has the functions of shock absorption, noise reduction and bearing self-lubricating, impact abrasion of wheel axle vibration to the bearing can be improved, the service life of the bearing and the wheel assembly is prolonged, and the operation and maintenance cost is reduced.

Description

technical field [0001] The invention relates to the technical fields of shock absorbers for electric vehicles and the technical fields of tribology, in particular to an electric vehicle wheel assembly capable of recovering road excitation energy. [0002] technical background [0003] The use of electric vehicles is large and popular, and it plays an important role in getting through the "last mile" of people's travel and urban traffic. With the development of electric vehicle technology, high-speed or medium-high-speed driving on bumpy roads has become a common working condition. The complex road surface excitation causes the wheel shaft to vibrate greatly, and continuously impacts the friction surface of the bearing. Therefore, the wear failure of the wheel bearing has become a common fault in the electric vehicle transmission system, which shortens the service life of the electric vehicle. [0004] The current electric vehicles use hydraulic shock absorbers to improve the...

Claims

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Application Information

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IPC IPC(8): B60B35/00F16C33/58F16C33/66F16F9/32F16N1/00
CPCB60B35/00B60B2900/561F16C33/583F16C33/6659F16C33/6674F16C33/6677F16C33/6681F16F9/3278F16N1/00F16N2210/04F16N2210/14
Inventor 张国涛马亮亮童宝宏张志伟史英康王孝义
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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