1) coupler pin hole
车钩尾销孔
2) coupler yoke pin hole
钩尾销孔
3) draft key
钩尾销
1.
It is suggested that draft keys should be heat-treated,adopting quenching of forging heat and backfiring technics.
分析并比较了Q275钢普通热处理工艺与锻热淬火+回火工艺,提出采用锻热淬火+回火工艺对钩尾销进行热处理,效果显著。
4) draft gear yoke
车钩尾框
5) bolts of coupler yoke
钩尾销螺栓
1.
The bolts of coupler yoke fractured in the head of screw near the location of the roots.
铁路货车钩缓装置中的钩尾销螺栓在螺杆近方头一侧根部位置发生断裂。
6) tail pinhole
尾销孔
1.
Cracks were often found near the coupler tail pinhole of the trains with the increase of load.
某型列车运载量增大后,列车车钩尾销孔牵引弧面位置大量出现裂纹。
补充资料：查销
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