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Excavator dynamic response characteristic improving system

A dynamic response and lifting system technology, applied in mechanically driven excavators/dredgers, earth movers/shovels, construction, etc., can solve the problem of increased energy consumption, slow air intake, and limited improvement effects, etc. question

Pending Publication Date: 2020-11-03
SHANGHAI HUAXING DIGITAL TECH
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Problems solved by technology

In the prior art, the method of pre-increasing the diesel engine speed or output power is usually used to improve the engine dynamic response characteristics during the loading process, but the turbocharger on the diesel engine itself inherently has a "turbo hysteresis" phenomenon, which will lead to a turbocharger in the diesel engine cylinder. Gas volume increases slowly, so this kind of method has very limited effect on improving dynamic response characteristics, and will also increase unnecessary energy consumption

Method used

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  • Excavator dynamic response characteristic improving system

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Embodiment Construction

[0018] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0019] In the description of the present application, the terms "first", "second" and the like are only used for distinguishing descriptions, and do not represent sequence numbers, nor can they be understood as indicating or implying relative importance.

[0020] In the description of the present application, the terms "horizontal", "vertical", "hanging" and the like do not mean that the components are required to be absolutely horizontal or hang, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0021] In the description of the present application, the orientation or positional relationship indicated by the terms "upper", "low...

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Abstract

The embodiment of the invention provides an excavator dynamic response characteristic improving system which comprises a hydraulic device, a recovery device, a hydraulic drive turbine and a control device; the hydraulic device is used for being connected with an engine and generating hydraulic oil with target pressure under driving of the engine; the recovery device is connected with the hydraulicdevice and used for recovering the hydraulic oil; the hydraulic drive turbine is connected with the recovery device and is connected with the hydraulic device through a transmission assembly; and thecontrol device is connected with the hydraulic device, the recovery device and the transmission assembly. By means of the excavator dynamic response characteristic improving system, hydraulic oil energy is efficiently recovered and used, and the excavator dynamic response characteristic is improved.

Description

technical field [0001] The present application relates to the technical field of engineering machinery, in particular, to an excavator dynamic response characteristic improvement system. Background technique [0002] Hydraulic excavator is a kind of multifunctional machine, which is widely used in mechanical construction such as water conservancy engineering, transportation, electric power engineering and mining excavation. It can reduce heavy physical labor, ensure project quality, speed up construction and improve labor productivity. plays a very important role. During the operation of the excavator, in order to effectively improve the operating efficiency of the excavator, it is necessary to ensure that the excavator has good dynamic response characteristics. In the prior art, the method of pre-increasing the diesel engine speed or output power is usually used to improve the engine dynamic response characteristics during the loading process, but the turbocharger on the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/22E02F3/42
CPCE02F9/22E02F9/2217E02F3/42
Inventor 肖广飞张晓峰唐文杰
Owner SHANGHAI HUAXING DIGITAL TECH
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