Pistons, Rings and Connecting Rods
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| 图 1 | g00807790 |
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(1) 活塞
(2) 压缩环 (3) 油环 (4) 连杆 (5) 活塞销 (6) 活塞销锁环 (7) 螺栓 (8) 连杆盖 (9) 连杆轴承 | |
铝活塞 (1)有三个环。 环包括两个压缩环 (2)和一个油环 (3)。 所有活塞环都位于活塞销孔以上。 顶部两个压缩环是矩形环。 油环是两片环。 发动机机油通过机油环槽的孔流回到曲轴箱。
活塞用活塞销 (5)和两个销锁环 (6)与连杆 (4)相连。 连杆的销孔端成锥面。 这个锥面在负载重的区域给连杆和活塞更大的强度。 四个螺栓 (7)，设定成一小角度，将连杆盖 (8)固定到连杆上。 这种设计保持连杆在最小宽度，可用较大的连杆轴承 (9)，仍能通过气缸套拆除连杆。
Caterpillar Information System:
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