Driving system and method of hybrid power mechanical equipment
A technology of hybrid power and mechanical equipment, which is applied in earth movers/excavators, construction, etc., can solve the problem that power and economy cannot be taken into account at the same time, and achieve the effect of saving energy and meeting the needs of mechanical equipment
Pending Publication Date: 2021-06-01
SANY HEAVY MACHINERY
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0033] In addition, in the exemplary embodiments, since the same reference numerals denote the same components with the same structure or the same steps of the same method, if one embodiment is exemplarily described, only the same elements as those already described will be described in other exemplary embodiments. Different structures or methods of the embodiments are described.
[0034] Throughout the specification and claims, when one element ...
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The invention provides a driving system and method of hybrid power mechanical equipment. According to the invention, a first driving device and a second driving device are arranged in parallel to provide driving force needed by a hydraulic device, hydraulic oil is driven to all execution components needed by the mechanical equipment, and therefore, actions of all the execution components are realized; one of the first driving device and the second driving device can be selected for independent driving or the first driving device and the second driving device can be both selected for simultaneous driving according to actual working conditions, so that the advantages of the first driving device and the second driving device are integrated, energy consumption is reduced, and the requirements of mechanical equipment are met; and in addition, a power generation device in transmission connection with the first driving device is arranged, the first driving device can be utilized to drive the power generation device to generate power to supply power to the second driving device, and a power supply is arranged to supply power to the second driving device to ensure that the second driving device has enough electric energy, so that different driving modes are adopted under different working conditions to achieve the effects of lowest energy consumption and least emission.
Description
technical field [0001] The invention relates to the technical field of mechanical equipment, in particular to a drive system and method for hybrid mechanical equipment. Background technique [0002] In recent decades, all kinds of construction machinery and equipment (such as excavators, etc.) are facing two challenges of energy crisis and environmental protection. For this reason, non-polluting, clean and efficient electromechanical equipment is gradually emerging with electric energy as the power source. However, due to the bottleneck of battery technology, the development of pure electric and fuel cell electric machinery equipment technology is relatively slow, and because construction machinery generally consumes high energy, it is difficult for batteries to meet the energy and driving force requirements of construction machinery. [0003] An excavator is a common mechanical device that excavates materials above or below the bearing surface through its bucket and loads ...
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Login to View More IPC IPC(8): E02F9/20E02F9/22
CPCE02F9/20E02F9/202E02F9/2025E02F9/22
Inventor 耿卓王辉王祖权
Owner SANY HEAVY MACHINERY