Front wheels (3A, 3B) are operably connected to hydraulic motors (21A, 21B), and hydraulic pumps (26A, 26B) driven by an engine (25) are provided, each hydraulic pump (26A, 26B) being connected to one of the hydraulic motors (21A, 21B). Control of speed is effected by switching the direction of oil
Front wheels (3A, 3B) are operably connected to hydraulic motors (21A, 21B), and hydraulic pumps (26A, 26B) driven by an engine (25) are provided, each hydraulic pump (26A, 26B) being connected to one of the hydraulic motors (21A, 21B). Control of speed is effected by switching the direction of oil flow from the hydraulic pumps (26A, 26B), changing the direction of rotation of the hydraulic motors (21A, 21B), controlling the rpm of the engine (25) and the flow rate of oil from the hydraulic pumps (26A, 26B), and changing the rpm's of the hydraulic motors (21A, 21B). Control of turning is made possible by controlling, based on the turning angle of a steering wheel or the turning angles of the rear wheels, the respective rotation speeds (equal or different) or the respective directions of rotation (same or opposite) of the front wheels (3A, 3B). Provided is a hydraulically driven forklift employing a 2-pump 2-motor system, which improves maneuverability and reduces the turning radius.
대표청구항▼
Front wheels (3A, 3B) are operably connected to hydraulic motors (21A, 21B), and hydraulic pumps (26A, 26B) driven by an engine (25) are provided, each hydraulic pump (26A, 26B) being connected to one of the hydraulic motors (21A, 21B). Control of speed is effected by switching the direction of oil
Front wheels (3A, 3B) are operably connected to hydraulic motors (21A, 21B), and hydraulic pumps (26A, 26B) driven by an engine (25) are provided, each hydraulic pump (26A, 26B) being connected to one of the hydraulic motors (21A, 21B). Control of speed is effected by switching the direction of oil flow from the hydraulic pumps (26A, 26B), changing the direction of rotation of the hydraulic motors (21A, 21B), controlling the rpm of the engine (25) and the flow rate of oil from the hydraulic pumps (26A, 26B), and changing the rpm's of the hydraulic motors (21A, 21B). Control of turning is made possible by controlling, based on the turning angle of a steering wheel or the turning angles of the rear wheels, the respective rotation speeds (equal or different) or the respective directions of rotation (same or opposite) of the front wheels (3A, 3B). Provided is a hydraulically driven forklift employing a 2-pump 2-motor system, which improves maneuverability and reduces the turning radius. and anchor member and retrieved.
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이 특허에 인용된 특허 (4)
Groenig Robert E. (201 S. 88th Ave. Yakima WA 98902), Fork lift.
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