Boom Cylinder - Swing Boom
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图 1 | g03372239 |
液压回转动臂油缸(典型示例) (1) 缸盖端端口 (2) 回转动臂油缸 (3) 连杆端端口 |
回转动臂油缸向左和向右回转动臂。 当液压油流入回转动臂油缸 (2) 的缸盖端端口 (1) 时,油缸伸出。 此动作导致动臂向左回转。 当液压油流入回转动臂油缸 (2) 的连杆端端口 (3) 时,油缸回缩。 此动作导致动臂向右回转。
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图 2 | g03372238 |
回转动臂油缸剖视图(典型示例) (1) 缸盖端端口 (3) 连杆端端口 (4) 锁紧螺母 (5) 活塞 (6) 杆 (7) 润滑脂加油嘴 (8) 缸体 |
回转动臂油缸 (2) 由下述部件构成:
- 锁紧螺母 (4)
- 活塞 (5)
- 连杆 (6)
- 润滑脂加油嘴 (7)
- 缸体 (8)
- 轴承
- 油封
回转动臂油缸 (2) 有各种油封,可防止液压油从活塞 (5) 泄漏。
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图 3 | g03372236 |
油缸活塞(典型示例) (4) 锁紧螺母 (5) 活塞 (9) 活塞油封 (10) 磨损带 |
磨损带 (10) 防止活塞 (5) 接触缸体 (8) 的内径。
活塞油封 (9) 阻止油流过缸体 (8) 内径和活塞 (5) 外径。
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图 4 | g03372237 |
缸盖(典型示例) (3) 连杆端端口 (11) 缸盖 (12) O 形密封圈 (13) 支承环 (14) 缓冲密封件 (15) 密封件 (16) 支承环 (17) 挡圈 (18) 轴承 (19) 刮油密封环 |
轴承 (18) 防止连杆接触缸盖 (11) 的内径。
O 形密封圈 (12) 和支承环 (13) 防止液压油从缸盖 (11) 外部泄漏。
缓冲密封件 (14) 是第一个承压密封件。 缓冲密封件 (14) 旨在降低密封件 (15) 和支承环 (16) 上的压力峰值,以增加使用寿命。
密封件 (15) 阻止油通过缸盖 (11) 流出。 密封件 (15) 也阻止外部液体进入油缸。
刮油密封环 (19) 有一个朝外的唇形密封,可以在缩回期间刮去连杆上的碎屑。 刮油密封环 (19) 旨在防止颗粒进入油缸。
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