CN102901403A - 大口径机枪子弹拔弹器 - Google Patents
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Abstract
一种大口径机枪子弹拔弹器，目的是结构简单、安全方便、能将大口径机枪子弹弹头与弹壳分离；本发明包括基座、拔弹螺杆、卡瓣、保护盖、夹头和拧紧螺杆；基座中间为螺纹通孔，拔弹螺杆尾部焊有两个杆；左卡瓣和右卡瓣为对称的两半圆卡瓣，每个卡瓣中间均铣有定位半圆孔；左夹头和右夹头为结构相同的长方体块，在高度方向上铣有用来和弹头配合的半圆凹槽，并在与弹头接触处设有倒角，倒角面上进行刻面处理；在宽度方向的两边处分别铣有一个通孔和一个螺纹孔；左拧紧螺杆穿过左夹头的通孔再旋入右夹头的螺纹孔内，右拧紧螺杆穿过右夹头的通孔再旋入左夹头的螺纹孔内，左夹头、右夹头两个夹头的凹槽相对形成一个闭合框，凹槽对正子弹头圆柱部。
Description
技术领域
本发明涉及一种简易安全高效的能将机枪子弹的弹头与弹壳分离的专业装置。该装置可安全的分解弹头直径在10mm～16mm的大口径机枪子弹。
背景技术
在某些实验和研究情况下，需要对同一口径下的不同弹头形状的大口径机枪子弹进行实验而需要更换弹头，有些情况下需要对哑弹进行分解以及销毁处理，而这些情况都需要对子弹的弹头与弹壳进行分离。虽然国内某期刊里提到一种专门用来分解子弹的简易装置，但是这个装置里的弹头和弹尾都只是用小螺丝的拧紧力来夹紧，它的夹紧力太小只能用来分解弹头直径在10mm以下的小口径子弹，无法满足对大口径子弹进行分解所需要的夹紧力。虽然许多子弹生产厂都有专门的测拔弹力的大型自动分解子弹机，可以用来分解子弹，但对于需求量极少的科研院校及有关部门来说大型分离子弹机就没有必要了，这时就需要一台简易安全的能将大口径机枪子弹分离的装置了。
发明内容
本发明目的是克服上述已有技术的不足，提供一种结构简单、安全方便、能将大口径机枪子弹弹头与弹壳分离的大口径机枪子弹拔弹器。
本发明包括基座、拔弹螺杆、卡瓣、保护盖、夹头和拧紧螺杆；卡瓣、夹头、拧紧螺杆均为两套，分别是左卡瓣、左夹头、左拧紧螺杆；右卡瓣、右夹头和右拧紧螺杆。基座中间为螺纹通孔，拔弹螺杆头部外径铣有与基座的螺纹配合使用的螺纹，拔弹螺杆中部外径小于基座螺纹通孔的直径，以减小拔弹螺杆与基座的配合螺纹的长度。拔弹螺杆内部铣有贯穿头部和尾部可使子弹顺利放入的通孔；拔弹螺杆尾部铣有可使左卡瓣和右卡瓣顺利放入拔弹螺杆并定位的内孔；拔弹螺杆尾部外径铣有与保护盖的内螺纹配合使用的螺纹；拔弹螺杆尾部焊有两个用来旋转拔弹螺杆的杆；左卡瓣和右卡瓣为对称的两半圆卡瓣，每个卡瓣中间均铣有定位半圆孔，以保证弹壳的凹槽能被左卡瓣和右卡瓣卡住并放入拔弹螺杆尾部的内孔内定位。保护盖铣有与拔弹螺杆尾部的螺纹配合使用的内螺纹，用来防止子弹意外走火伤及操作者并可以限制左卡瓣和右卡瓣的移动。
左夹头和右夹头为结构相同的长方体块,在高度方向上（即与高垂直的面上）铣有用来和弹头配合的半圆凹槽，并在与弹头接触处设有倒角，倒角面上进行刻面处理，以增加夹头与弹头的摩擦力。在宽度方向上（即与宽垂直的面上）距离夹头中心14mm的两边分别铣有一个通孔和一个螺纹孔。左夹头、右夹头、左拧紧螺杆和右拧紧螺杆配合使用，左拧紧螺杆穿过左夹头的通孔再旋入右夹头的螺纹孔内，右拧紧螺杆穿过右夹头的通孔再旋入左夹头的螺纹孔内，左夹头、右夹头两个夹头的凹槽相对形成一个闭合框，凹槽对正子弹头圆柱部，旋转左拧紧螺杆和右拧紧螺杆夹住弹头，限制弹头的移动。
左拧紧螺杆、右拧紧螺杆由两根钢条焊接而成，两根钢条的头部铣有与夹头上螺纹孔配合使用的螺纹。左卡瓣和右卡瓣为高20mm外径49mm的对称的两半圆卡瓣，每个卡瓣中间铣有高18.5mm直径30mm的半圆孔，每个卡瓣中间还铣有高1.5mm直径略大于弹壳弹底凹槽直径的半圆孔。
本发明适用于将大口径的机枪子弹的弹头与弹壳分离，优点是安全高效、结构简单，操作方便，成本低廉，适合于小批量拔弹使用。
附图说明
图1是本发明整体结构示意图。
图2是本发明前视等轴测图。
图3是本发明后视等轴测图。
图中：1、基座，2、拔弹螺杆，3、左卡瓣，4、右卡瓣，5、保护盖，6、左夹头，7、右夹头，8、弹壳，9、右拧紧螺杆，10、子弹头，11、左拧紧螺杆。
具体实施方式
拔弹螺杆2头部外径铣有20mm长的螺纹与基座的螺纹配合使用，拔弹螺杆2内部铣有贯穿头部和尾部的内径为26mm的通孔以保证子弹顺利放入。拔弹螺杆2尾部铣有直径50mm高5mm的内孔，以保证左卡瓣3和右卡瓣4能顺利放入拔弹螺杆2并定位。拔弹螺杆2尾部外径铣有螺纹，与保护盖5的内螺纹配合使用。左卡瓣3和右卡瓣4为高20mm外径为49mm的对称的两半圆卡瓣，每个卡瓣中间铣有高18.5mm直径30mm的半圆孔，每个卡瓣中间还铣有高1.5mm直径略大于弹壳弹底凹槽直径的半圆孔，以保证弹壳8的凹槽能被左卡瓣3和右卡瓣4卡住并放入拔弹螺杆尾部的内孔内定位。保护盖5上铣有深度为23mm的内螺纹与拔弹螺杆2尾部的螺纹配合使用，用来防止子弹意外走火伤及操作者并可以限制左卡瓣3和右卡瓣4的移动。左夹头6和右夹头7结构相同，为长70mm宽12mm高10mm的长方体块,在高度方向上（即与高垂直的面上）铣有半径5.75mm的半圆凹槽，用来和弹头配合，并在与弹头接触处倒有半径为5mm的圆角，在倒角面上进行刻面处理，以增加夹头与弹头的摩擦力。在宽度方向上（即与宽垂直的面上）距离夹头中心14mm的两边分别铣有一个直径8mm的通孔和一个M8的螺纹孔。左拧紧螺杆11、右拧紧螺杆9由两根钢条焊接而成，一根长度为60mm用来旋转拧紧螺杆；另一根长度为110mm，直径为12mm，对其头部进行切削处理，切削直径为8mm，切削长度为30mm，在其头部铣出长为20mm的M8的螺纹，与夹头的M8的螺纹孔进行配合使用。
使用时，先将拔弹螺杆2沿顺时针方向旋入基座1内，根据子弹长度把握旋入深度。再用左卡瓣3和右卡瓣4卡住弹壳8的凹槽，整个放入拔弹螺杆2的内孔里。拧上保护盖5到拧不动为止。将左夹头6和右夹头7的凹槽对准弹头圆柱部后，旋转左拧紧螺杆11和右拧紧螺杆9将弹头夹紧。最后，沿逆时针方向旋转拔弹螺杆2，直到子弹头10和弹壳8都被限制了轴向的位移，继续沿逆时针方向旋转拔弹螺杆2，使子弹头10与弹壳8慢慢分离。
Claims (4)
1.一种大口径机枪子弹拔弹器，其特征是包括基座、拔弹螺杆、卡瓣、保护盖、夹头和拧紧螺杆；卡瓣、夹头、拧紧螺杆均为两套，分别是左卡瓣、左夹头、左拧紧螺杆；右卡瓣、右夹头和右拧紧螺杆；基座中间为螺纹通孔，拔弹螺杆头部外径铣有与基座的螺纹配合使用的螺纹，拔弹螺杆中部外径小于基座螺纹通孔的直径；拔弹螺杆内部铣有贯穿头部和尾部可使子弹顺利放入的通孔；拔弹螺杆尾部铣有可使左卡瓣和右卡瓣顺利放入拔弹螺杆并定位的内孔；拔弹螺杆尾部外径铣有与保护盖的内螺纹配合使用的螺纹；拔弹螺杆尾部焊有两个用来旋转拔弹螺杆的杆；左卡瓣和右卡瓣为对称的两半圆卡瓣，每个卡瓣中间均铣有定位半圆孔；保护盖铣有与拔弹螺杆尾部的螺纹配合使用的内螺纹；左夹头和右夹头为结构相同的长方体块，在高度方向上铣有用来和弹头配合的半圆凹槽，并在与弹头接触处设有倒角，倒角面上进行刻面处理；在宽度方向的两边分别铣有一个通孔和一个螺纹孔；左拧紧螺杆穿过左夹头的通孔再旋入右夹头的螺纹孔内，右拧紧螺杆穿过右夹头的通孔再旋入左夹头的螺纹孔内，左夹头、右夹头两个夹头的凹槽相对形成一个闭合框，凹槽对正子弹头圆柱部。
2.如权利要求1所述的大口径机枪子弹拔弹器，其特征是在宽度方向上距离夹头中心14mm的两边分别铣有一个通孔和一个螺纹孔。
3.如权利要求1所述的大口径机枪子弹拔弹器，其特征是左卡瓣和右卡瓣为高20mm外径49mm的对称的两半圆卡瓣，每个卡瓣中间铣有高18.5mm直径30mm的半圆孔，每个卡瓣中间还铣有高1.5mm直径略大于弹壳弹底凹槽直径的半圆孔。
4.如权利要求1所述的大口径机枪子弹拔弹器，其特征是左拧紧螺杆、右拧紧螺杆由两根钢条焊接而成，两根钢条的头部铣有与夹头上螺纹孔配合使用的螺纹。
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| WO2011014095A1 (ru) * | 2009-07-31 | 2011-02-03 | Открытое Акционерное Общество "Koнcтpyктopcкoe Бюро Автоматических Пиний Имени Льва Николаевича Koшкинa" | Способ демонтажа пуль патронов стрелкового оружия и устройство для его осуществления |
| CN201583207U (zh) * | 2009-12-25 | 2010-09-15 | 无锡市帆鹰警用器材新技术有限公司 | 子弹拆解器 |
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