Dynamic closing energy testing system of car door

The invention provides a dynamic closing energy testing system of a car door. The dynamic closing energy testing system is formed by a base, a supporting adjusting mechanism, an energy storage executing mechanism and a data collection system, wherein the energy storage executing mechanism comprises a horizontal force application rod, a spring, a box type supporting frame and a locking mechanism; the supporting frame is fixed on the base through the supporting adjusting mechanism; the force application rod is slidingly connected with the supporting adjusting mechanism, and the front end of the force application rod corresponds to the car door; the rear end of the force application rod penetrates through the supporting frame and is provided with a pull ring; the spring is sleeved on the force application rod, the front end of the spring is fixedly connected with the force application rod, and the rear end of the spring is ejected on the supporting adjusting mechanism; the locking mechanism comprises a vertical locking rod and a horizontal shaft pin; the two ends of the horizontal shaft pin are fixedly connected with horizontal sliding grooves on two side walls of the supporting frame through bolts; and the locking rod is inserted into a vertical hole of the horizontal shaft pin, and an arch-shaped lock tongue corresponding to a locking ring on the force application rod is fixed on the lower end of the locking rod. The dynamic closing energy testing system disclosed by the invention is not only very convenient to operate, but also realizes stepless force application, so that the testing precision of dynamic closing energy of the car door is improved.