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Hydraulic auxiliary driving system with energy recovery and speed slowing functions and method thereof

A technology of auxiliary drive and energy recovery, which is applied in the arrangement of multiple prime movers and brakes of the pneumatic power plant and general power plant, and can solve the problem of increasing the cost of car purchase and the difficulty of layout, and the high price of the hydraulic retarder. problems, to achieve the effect of reducing the probability of mechanical brake failure, realizing miniaturization design, and realizing recycling

Active Publication Date: 2016-08-03
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The price of the hydraulic retarder is relatively high, and the transmission needs to be modified to a certain extent, resulting in an increase in the purchase cost and difficulties in the layout

Method used

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  • Hydraulic auxiliary driving system with energy recovery and speed slowing functions and method thereof
  • Hydraulic auxiliary driving system with energy recovery and speed slowing functions and method thereof
  • Hydraulic auxiliary driving system with energy recovery and speed slowing functions and method thereof

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Embodiment Construction

[0051] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0052] refer to figure 1 , the hydraulic auxiliary drive system capable of energy recovery in the present invention includes a power take-off 16, a hydraulic pump / motor 15, an electro-hydraulic proportional valve 14, a pressure indicator 13, an accumulator 12, an overflow valve 10, and a discharge valve 11. Controller 3, hydraulic oil tank 9.

[0053] refer to figure 1 , one end of the power take-off 16 is connected with the output shaft of the engine 1 driving accessories, and is connected by a spline sleeve, and the other end is connected with the rotor shaft of the hydraulic pump / motor 15 fixedly installed on the vehicle frame, and is connected by a spline sleeve or Flange or short universal joint connection, so as to transmit the power of the engine 1 to the hydraulic pump / motor 15 and drive its working pump oil.

[0054]...

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Abstract

The invention discloses a hydraulic auxiliary driving system with energy recovery and speed slowing functions. The hydraulic auxiliary driving system comprises a controller, an engine, a power takeoff, a hydraulic pump / motor, a hydraulic control valve bank, an energy accumulator, a pressure indicator, a hydraulic oil tank and the like, wherein the hydraulic pump / motor is connected to a PTO port of the engine by a rotating shaft through a flange; the hydraulic pump / motor, the hydraulic control valve bank, the energy accumulator and the oil tank form a hydraulic loop; and the hydraulic pump / motor is connected to the hydraulic oil tank by the hydraulic control valve bank and the energy accumulator. According to the system, the driving force of the whole vehicle on an upward slope is improved, and power is supplied during vehicle starting; energy recovery is realized during vehicle braking; an effect of a retarder is achieved; and the running economical efficiency of the whole vehicle can be favorably improved by a proper control strategy.

Description

technical field [0001] The invention relates to an energy recovery system, which belongs to the technical field of automobile hydraulic application, and specifically relates to a system and method capable of realizing hydraulic auxiliary drive and energy recovery. Background technique [0002] In recent years, my country has entered a high-incidence period of severe weather dominated by fog and haze, especially in winter and spring. are under severe pollution. Haze weather seriously damages people's respiratory system, and people's health is seriously threatened in such an environment for a long time. [0003] After research, the main causes of smog are the excessive combustion of coal and vehicle exhaust emissions, among which motor vehicle exhaust emissions occupy an important position. In order to alleviate environmental pressure and purify the air, the state has introduced various measures to deal with extreme weather such as smog. Among them, the development of hybrid...

Claims

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Application Information

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IPC IPC(8): B60K6/12B60T1/10
CPCB60K6/12B60K2006/126B60T1/10B60T2270/60Y02T10/62Y02T10/92
Inventor 陈存福李胜王敏翟德文李连强刘涛柳兴林曲新强
Owner CHINA FIRST AUTOMOBILE
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