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霰弹枪的工作原理

How a Pump Shotgun Works

雷明顿870 泵动霰弹枪的工作原理
Shotshells are loaded into the magazine through the bottom of the receiver.
子弹从接收器底部的弹匣装入
The compressed magazine spring keeps tension on the shells.
压缩弹匣弹簧保持弹壳的张力
Pressing the ‘action bar lock’
按住“启动栓锁”
allows the ‘fore-end’ to be pulled to the rear.
将“枪前托”拉至后方
As it comes back, a shell is fed into the receiver.
随着枪前托返回 一颗子弹就被填入弹膛
Pushing forward on the fore-end lifts the shell,
枪前托向前推进 举起子弹
and the ‘bolt’ guides it into the chamber.
子弹通过‘螺栓’导入枪膛
As the fore-end moves back,
随着枪前托返回
a cutout on the bottom of the slide engages the ‘carrier dog’.
枪机底部的切口与‘载弹头’接合
As the slide moves forward,
滑膛向前移动
downward force is put on the ‘carrier’,
向下的力作用在‘载弹器’上
acting as a lever to lift the shell up.
杠杆作用举起子弹
The left and right ‘latches’ allow shells into the receiver
在前托子弹导杆的控制下
under the control of the fore-end tube assembly.
其左右插销让子弹进入弹膛
Notches on the assembly move the latches in and out at specific times.
届时 装配上的槽口移动插销进出
The left latch holds the shell
左侧插销控住子弹
until the fore-end is almost fully rearward.
直至枪前托完全后拉
After the first shell advances into the receiver,
首颗子弹充入弹膛后
the right latch catches the next shell.
右侧插销会抓取下枚子弹
As the fore-end is pushed forward,
随着枪前托往前推
the first shell is moved into the chamber
首颗子弹移入枪膛
and the left latch assumes control of the next shell.
左侧插销接着控制下枚子弹
When the bolt makes contact with the ‘breech face’,
当枪锁栓与后膛面接触
the ‘slide’ pushes up on the ‘lockingblock’,
‘滑膛’将‘锁定栓’ 向上推
locking it into the barrel.
将其锁进枪管
With the ‘safety’ in the off position,
关闭‘保险栓’后
the trigger is free to move.
便能扣动扳机
Pulling the trigger rotates the ‘sear’,
拉动扳机将旋转阻扣
which releases the ‘hammer’.
随后释放‘撞锤’
The hammer strikes the ‘firing pin’,
撞锤击打点火针
causing it to travel forward and impact the shell primer.
致其前行撞击子弹底火
The inside of a shotshell contains a primer,
霰弹枪弹包含底火
powder charge, a wad, and shot, or a slug.
药筒 弹托 弹丸或子弹
Inside the primer is a primer cup,
底火含有底火壳
priming compound, and an anvil.
击发药和铁砧
As these are struck by the firing pin,
当点火针击打底火
a chain reaction ignites the powder charge inside the shell,
产生的连锁反应点燃子弹内的火药
and the wad is propelled down the barrel.
弹托被推出枪管
Just after leaving the barrel, the wad opens so the shot can spread.
出了枪管 弹托打开 释放出弹丸
The ‘extractor’ grips the rim of the spent shell case.
‘退壳钩’抓住用过子弹壳的边缘
As the fore-end is pulled to the rear, the bolt is unlocked,
当枪前托后拉 枪栓解锁
and the case is extracted from the chamber.
弹壳便从枪膛取出
The bolt continues to the rear
枪栓继续向后拉
and the ‘ejector’ kicks out the empty case from the receiver.
‘抛壳器’将空弹壳从枪膛中抛出
As the bolt comes back, the ‘hammer’ is reset,
枪栓后拉 撞锤归位
and held back by the ‘sear’.
阻扣回挡
When the fore-end is fully forward,
当枪前托完全前进
the ‘action bar lock’ lowers the ‘connector’.
‘启动栓锁’压低‘连接器’
Again, allowing control of the sear with a pull of the trigger.
使得阻扣再次控制扳机
霰弹枪的工作原理

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译制信息
视频概述

详细具体地叙述霰弹枪从装弹到点火再归位的各项步骤。快来瞧一瞧吧~

听录译者

收集自网络

翻译译者

Arthur

审核员

审核员SRY

视频来源

https://www.youtube.com/watch?v=21uh28Z77Xg

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