XQ89/4.5 型修井动力钳
创建时间：2022-03-26 21:46
XQ89/4.5 型修井动力钳是在油田修井作业中用来上卸油管螺纹的一种专用机械，是适用最大管径 3 1/2" 油管的重型修井动力钳，最大扭矩超过 5 kN.m，适应各种复杂工况下的修井作业。
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本产品具有以下特点：
This product has the following features:
钳头采用了先进的卡紧机构，在上卸直径为 2 7/8"，3 1/2" 两种油管螺纹时，主、背钳不需要更换任何零部件，卡紧性能可靠、使用寿命长。
The tong head uses inner curved roller climbing and clipping mechanism and needn’t to change any part during making up or breaking out the tubing thread which diameter is 2 7/8″ or 31/2″.
两档变速级差大，高档速度快、低挡扭矩大。
Two shifts provides high speed at the high gear and large torque at the low gear.
采用刹车带式钳头制动机构，结构简单可靠，易损件小，制动力大，调整、维修极为方便。
Brake belt assembly, easy to operate and convenient to maintain and replace.
采用插销式换向装置，换向结构简单可靠，更换方便。
Adapt latch type reversing device, which has simple structure and convenient to change.
可选用细齿钳牙，对管柱损伤小。
Users can choose fin-tooth dies ,reduce the damage of pipe.
可选配门控安全装置，门一打开，可以使系统自动泄荷，动力钳停止运转，起到可靠地安全保护作用。
Users can equip gating safety device according to needs, which can provide safety protection. It can make the system auto-release pressure when the door open, then the power tong will stop running.
可选配防夹瘪装置，防止由于超扭矩使用或管柱锈蚀造成管柱被夹瘪。
Users can equip anti-clamp flat device according to needs, which can prevent the tube clamped flat when exceed torque used the pipe corroded.
可选配手动换向溢流阀，可以调整供油压力，得到各种钢级的油管上扣时所需的最佳扭矩。
Users can equip hand control reversing relief valve according to needs, which can obtain the best make up torque of the various oil pipe by
adjusting oil supply pressure.
本产品拥有多项实用新型专利（专利号：ZL202322919554.9等）。
This product has owned several patent of China（Patent NO. ZL202322919554.9 etc.）
