Heavy spring pre-compression device

The utility model discloses a heavy spring pre-compression device which comprises a fixing piece. The fixing pieces are arranged at the two ends of the spring; the spring and the fixing piece penetrate through the fastening matching piece, and the spring and the fixing piece are fixed through the fastening matching piece; the supporting pieces are located on the two sides of the fastening matching piece, and one end of each supporting piece is matched with the end, away from the spring, of the fixing piece; the problem of repeated compression installation or injury to operators caused by rebound of a heavy spring after compression can be solved, and meanwhile, the characteristics of safe pre-compression, high installation efficiency and reduced working intensity can be met. 本实用新型公开了一种重型弹簧预压缩装置，包括固定件；弹簧，所述弹簧的两端设置有所述固定件；紧固配合件，所述弹簧和所述固定件穿过所述紧固配合件，并通过所述紧固配合件进行固定；支撑件，所述支撑件位于所述紧固配合件的两侧，且所述支撑件的一端与所述固定件远离弹簧的一端相配合；能够解决重型弹簧压缩后反弹造成重复压缩安装或造成作业人员受伤的问题，同时能够满足预压缩安全，安装效率高，减小工作强度的特点。