| 摘要 |
PURPOSE: An excavator tool is provided to effectively implement a task in a state where a working range of a tong for picking up objects is minimized and to rotate the direction of the tong at a direction in which operators want. CONSTITUTION: An excavator tool comprises a frame(1), a pinion(9), an external swing gear(11), an upper connection shaft(13), left and right links, a tong(31), a hydraulic cylinder, and a valve(41). The frame comprises excavator connection pin holes(3,3'), a motor(5), and a center joint(7). The pinion is connected to the motor. The external swing gear is connected to the center joint to engage with the pinion. The upper connection shaft is mounted at the bottom of the external swing gear and is connected to a lower connection shaft by a chain in a state where springs are installed. The left and right links are mounted on the center part of the lower connection shaft. The tong is mounted on the left and right links to be crossed on the shaft. The hydraulic cylinder is mounted between the left and right links in a state where a spring is installed. The valve is installed by a spring between an inlet pipe and an outlet pipe of a hydraulic pipeline connecting with the hydraulic cylinder. |
