介绍便携式链条动态张力测试仪的组成与工作原理，该仪器携带方便、操作简单、测量可靠，适用于在输送链运行过程中对链片的动态张力进行在线测量。 This paper introduces the composition and working principle of the portable chain dynamic tension tester. The instrument is easy to carry, easy to operate and reliable in measurement. It is suitable for on-line measurement of the dynamic tension of the chain during the operation of the conveyor chain.