Method for mounting bush on shell and used bush pressing tool

• Main Authors: PAN MINGZE, WANG JUN, LIU WEIJUN, LIU YE, HUANG SHANGYU, WANG YI, WANG JIANPENG
• Format: Patent
• Language: Chinese; English
• Published: 20.06.2017
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

The invention discloses a method for mounting a bush on a shell and a used bush pressing tool. The bush pressing tool is adopted to mount the bush on the shell rapidly; the bush pressing tool comprises a bush pressing rod, and the bush pressing rod consists of three sections of cylinders with different diameters; before mounting, the bush is placed in liquid nitrogen to be frozen, meanwhile the shell is placed in a heating furnace to be fast heated to 180 DEG C; during mounting, the shell is taken out of an orifice from the heating furnace and is upwards placed on a working platform, then the bush is taken out of the liquid nitrogen to be sleeved on the small-diameter cylinder of the bush pressing rod, a force applying boss between the small-diameter cylinder and the medium-diameter cylinder on the bush pressing rod applies force to the bush, and the bush is pressed in a bush hole of the shell. The bush pressing tool is smart in concept, simple in structure, convenient to clamp and low in production cost, and