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Recirculating ball type electric power-assisted steering gear

An electric power steering, recirculating ball technology, applied in electric steering mechanism, power steering mechanism, mechanical steering gear, etc., can solve problems such as affecting driving comfort and increasing safety hazards, so as to reduce safety hazards, increase driving comfort, The effect of reducing environmental pollution

Inactive Publication Date: 2015-04-22
顾志强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hydraulic power assist is contrary to the requirements of the ideal steering gear. The hydraulic power output from the steering pump changes in direct proportion to the engine speed, that is, the steering is heavy at low speeds and light at high speeds, which affects driving comfort and increases safety hazards.

Method used

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  • Recirculating ball type electric power-assisted steering gear

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] exist figure 1 In the shown embodiment, the motor 10, the planetary gear reducer 20, and the double-input recirculating ball steering gear 30 are sequentially connected. Specifically, the motor output 11 is connected to the planetary gear reducer input 21, and the planetary gear reducer output The end 22 is connected to the second input end 32 of the double-input end recirculating ball steering gear, and the first input end 31 of the double-input end recirculating ball steering gear is used for connecting the steering wheel driving member.

[0018] In the embodiment of the present invention...

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Abstract

The invention discloses a recirculating ball type electric power-assisted steering gear which is manly applied to the field of automobile steering gears. The recirculating ball type electric power-assisted steering gear comprises a motor and further comprises a planet gear speed reducer and a double-input-end recirculating ball type steering gear body. The motor is provided with an output end. The planet gear speed reducer is provided with an input end and an output end. The double-input-end recirculating ball type steering gear body is provided with a first input end and a second input end. The output end of the motor is connected with the input end of the planet gear speed reducer. The output end of the planet gear speed reducer is connected with the second input end of the double-input-end recirculating ball type steering gear body. The first input end of the double-input-end recirculating ball type steering gear body is used for connecting a steering wheel driving component. By means of the recirculating ball type electric power-assisted steering gear, a steering pump and hydraulic oil of a steering system can be omitted, and the problems that in the prior art, the energy consumption is high, the environment is polluted, the comfort is low, and safety is low are solved.

Description

technical field [0001] The invention relates to the field of automobile steering gears, in particular to a recirculating ball type electric power steering gear. Background technique [0002] At present, for large and medium-sized vehicles, circulating ball hydraulic power steering is mainly used. Its working principle is: the steering pump takes power from the engine to generate high-pressure hydraulic oil of about 13MPa, which is supplied to the steering gear, and the steering gear is equipped with a reversing valve. When turning, the steering wheel drives the reversing valve, and the high-pressure hydraulic oil enters the cylinder at one end of the steering gear to generate power steering. Since the steering pump takes power from the engine, regardless of whether there is steering or not, it is in a continuous working state, which consumes the engine power continuously, thereby increasing energy loss, and because the high-pressure hydraulic oil is easy to leak, thereby cau...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04B62D3/08
CPCB62D5/0421B62D3/08
Inventor 顾志强顾海涛顾家彪
Owner 顾志强
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