Automatic energy recovering device for driving axle of heavy-duty truck

A recovery device, a technology for heavy-duty vehicles, applied in electric vehicles, engine-driven traction, brakes, etc., can solve the problems of high maintenance and repair costs, heavy brake system loads, and short service life, and achieve convenient disassembly and maintenance. The effect of improved braking efficiency and ease of manufacture

Inactive Publication Date: 2012-10-10
CHONGQING JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Especially for heavy-duty vehicles, the inertia is large during driving, so the required braking force is large, the load of the braking system is also large, the service life is generally short, and the cost of maintenance and repair is also high.

Method used

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  • Automatic energy recovering device for driving axle of heavy-duty truck
  • Automatic energy recovering device for driving axle of heavy-duty truck

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Embodiment Construction

[0018] figure 1 Is a simplified structural diagram of the present invention in which the planet carrier in the planetary gear system is fixed, figure 2 It is a simplified structural diagram of the present invention in which the inner ring gear in the planetary gear system is fixed. As shown in the figure, the heavy-duty vehicle drive axle brake energy recovery device of this embodiment includes a generator 1 installed on a frame and a wheel system The rotational speed during the driving process is transmitted to the transmission device of the generator 1, the transmission device includes a driving gear that can be disengaged and disengaged from the wheel and axles, and the driving gear meshes and drives the generator to generate relative movement between the rotor and the stator. Driven gear.

[0019] In this embodiment, the stator of the generator 1 is arranged in a housing in a rotatable manner around the stator axis, the driving gear and the driven gear are two respectively, ...

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Abstract

The invention discloses an automatic energy recovering device for a driving axle of a heavy-duty truck. The automatic energy recovering device comprises a generator arranged on a frame, and a transmission device for transmitting a rotating speed in a wheel braking process to the generator, wherein the transmission device comprises a driving gear which is in separable normal-running fit with a wheel axle, and a driven gear which is in meshed transmission with the driving gear and is used for driving a rotor and a stator of the generator to move relatively to each other. The automatic energy recovering device can be used for recovering energy according to a braking process and assisting in braking, is suitable to be installed and used in an automobile, and is used for recovering energy, assisting in braking simultaneously and reducing and avoiding bearing high braking load, so that requirements are lowered, the service life is prolonged, and the manufacturing cost and using cost are lowered; the recovering device has a simple layout, and contributes to axle shell design, and the overall strength and rigidity of the axle are not influenced; and the recovering device has the characteristics of high reliability, long service life, low energy consumption, small size and light weight, and the production and manufacturing costs are low, and convenience is brought to installation, detachment and maintenance.

Description

Technical field [0001] The invention relates to a braking energy recovery device, in particular to an automatic energy recovery device for a heavy-duty vehicle drive axle. Background technique [0002] Braking energy has been widely studied as the main dissipated energy during the driving process of automobiles. With the advent of the energy crisis, major automobile manufacturers have begun to study the recovery system of automobile brake energy. In the prior art, the brake energy recovery device has a low transmission ratio, and has poor adaptability to braking energy recovery under low-speed operating conditions, and has great limitations. Generally, it can only complete energy recovery under high-speed operating conditions. For various working conditions of automobile driving, the current development of brake energy recovery system still has limitations. [0003] In particular, heavy-duty vehicles have greater inertia during driving, so the required braking force is greater, th...

Claims

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Application Information

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IPC IPC(8): B60T1/10B60L11/14B60L50/16
Inventor 罗天洪李富盈吴不德
Owner CHONGQING JIAOTONG UNIVERSITY
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