阅读说明：本技术 一种管道扳手 (Pipeline wrench ) 是由 皮付兰 吴清玉 于 2021-02-23 设计创作，主要内容包括：一种管道扳手,包括扳头外壳,扳把外壳,夹紧机构,锁紧机构,传动机构,所述夹紧机构安装在扳头外壳内部,夹紧机构实现了夹紧管道的效果；锁紧机构安装在扳头外壳里面,锁紧机构实现了夹紧螺母并且根据螺母的型号不同调节大小的功能；传动机构安装在扳把外壳里面,传动机构实现了上下和转动都可以拧动螺母的效果。(A pipeline wrench comprises a wrench head shell, a wrench handle shell, a clamping mechanism, a locking mechanism and a transmission mechanism, wherein the clamping mechanism is arranged inside the wrench head shell, and the clamping mechanism achieves the effect of clamping a pipeline; the locking mechanism is arranged in the wrench head shell, and realizes the functions of clamping the nut and adjusting the size according to different types of the nut; the transmission mechanism is arranged in the wrench handle shell, and the transmission mechanism realizes the effect that the nut can be screwed up and down and rotates.)