Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Energy-saving device of hybrid power excavator and excavator
The invention discloses an energy-saving device of a hybrid power excavator and the excavator. The energy-saving device comprises a hybrid power mechanism, a movable arm potential energy recycling mechanism and a rotation potential energy recycling mechanism. The hybrid power mechanism comprises a hydraulic pump, an engine, a first generator, a motor and a super capacitor, the engine is connected with the hydraulic pump through a first clutch and further connected with the first generator, the first generator is connected with the super capacitor, and the motor is connected with the hydraulic pump and the super capacitor. The hydraulic pump and the movable arm potential energy recycling mechanism are connected with a movable arm oil cylinder through reversing valves, and the movable arm potential energy recycling mechanism is connected with the super capacitor. The rotation potential energy recycling mechanism comprises a rotation driving motor connected with the super capacitor. Potential energy of descending of a movable arm and inertia potential energy of rotation deceleration braking can be fully recycled and utilized, three driving modes of pure electricity, range extending and hybrid power are achieved, the engine works in an optimal fuel economy area, the power utilization rate of the engine is increased, the fuel consumption is reduced, and energy conservation and environmental protection are achieved.
本发明公开了一种混合动力挖掘机节能装置及挖掘机，包括混合动力机构、动臂势能回收机构和回转势能回收机构；混合动力机构包括液压泵、发动机、第一发电机、电动机和超级电容，发动机通过第一离合器与液压泵相连，发动机还与第一发电机相连，第一发电机与超级电容相连，电动机分别与液压泵和超级电容相连；液压泵和动臂势能回收机构通过换向阀与动臂油缸相连，动臂势能回收机构与超级电容相连；回转势能回收机构包括与超级电容相连的回转驱动电机。本发明能够充分回收并利用动臂下降的势能、回转减速制动的惯性势能，实现纯电、增程、混动三种驱动方式，使发动机在最佳燃油经济区域工作，提高发动机的功率利用率，减少燃料的消耗，节能环保。
Energy-saving device of hybrid power excavator and excavator
The invention discloses an energy-saving device of a hybrid power excavator and the excavator. The energy-saving device comprises a hybrid power mechanism, a movable arm potential energy recycling mechanism and a rotation potential energy recycling mechanism. The hybrid power mechanism comprises a hydraulic pump, an engine, a first generator, a motor and a super capacitor, the engine is connected with the hydraulic pump through a first clutch and further connected with the first generator, the first generator is connected with the super capacitor, and the motor is connected with the hydraulic pump and the super capacitor. The hydraulic pump and the movable arm potential energy recycling mechanism are connected with a movable arm oil cylinder through reversing valves, and the movable arm potential energy recycling mechanism is connected with the super capacitor. The rotation potential energy recycling mechanism comprises a rotation driving motor connected with the super capacitor. Potential energy of descending of a movable arm and inertia potential energy of rotation deceleration braking can be fully recycled and utilized, three driving modes of pure electricity, range extending and hybrid power are achieved, the engine works in an optimal fuel economy area, the power utilization rate of the engine is increased, the fuel consumption is reduced, and energy conservation and environmental protection are achieved.
本发明公开了一种混合动力挖掘机节能装置及挖掘机，包括混合动力机构、动臂势能回收机构和回转势能回收机构；混合动力机构包括液压泵、发动机、第一发电机、电动机和超级电容，发动机通过第一离合器与液压泵相连，发动机还与第一发电机相连，第一发电机与超级电容相连，电动机分别与液压泵和超级电容相连；液压泵和动臂势能回收机构通过换向阀与动臂油缸相连，动臂势能回收机构与超级电容相连；回转势能回收机构包括与超级电容相连的回转驱动电机。本发明能够充分回收并利用动臂下降的势能、回转减速制动的惯性势能，实现纯电、增程、混动三种驱动方式，使发动机在最佳燃油经济区域工作，提高发动机的功率利用率，减少燃料的消耗，节能环保。
Energy-saving device of hybrid power excavator and excavator
一种混合动力挖掘机节能装置及挖掘机
LI JIANHUA (Autor:in) / XU YUBING (Autor:in) / JIN YUEFENG (Autor:in) / LIU ENLIANG (Autor:in) / SONG SHICHAO (Autor:in) / LYU LEI (Autor:in)
26.10.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
E02F
Baggern
,
DREDGING
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