| 摘要 |
<p>PURPOSE:To ensure the locking of a lock plate by inserting a pin into the outer periphery of a lock plate, which seals the cooling air in a bucket dovetail part, and providing a spring to the inner periphery of the lock plate. CONSTITUTION:The dovetail part of a bucket 1 is connected to a disc 2. A pin 7 is inserted into the outer periphery of a lock plate 3, which prevents the bucket 1 from coming off and at the same time seals the cooling air in the dovetail part, while spring 8 is provided to the inner periphery of the lock plate 3. After inserting the pin 7 into a hole 9 of the bucket 1, the lock plate 3 is installed to the disc 2. With this, the lock plate 3 can be locked surely.</p> |
