Portable volume of moving dynamic testing knapsack

The utility model discloses a portable volume of moving dynamic testing knapsack, including GPS equipment and knapsack body, the knapsack body is equipped with two bracess, and the knapsack is internal to be provided with branch, on the branch in order detachable be connected with a plurality of extension rods, GPS equipment is connected on the extension rod of least significant end. This internalbottom of knapsack is fixed with the pole socket that has the screw, and the top of knapsack body is equipped with the through -hole, and branch and a plurality of extension rod are that the bottom is equipped with the screw rod and the top is equipped with internal screw thread tubular structure, thereby the branch bottom is passed the screw threaded connection that the through -hole passes through screw rod and pole socket and is fixed on the knapsack body, the screw rod threaded connection of branch top and extension rod bottom. GPS equipment bottom is equipped with the connecting seat that has the screw rod, the