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该吊具适用于带内孔的圆柱形零件(套、齿轮、轮子、滚筒等),在热处理井式炉中吊装,或冷加工车间工序间的搬运。起吊热加工零件时,吊具的套管外应包以耐热石棉套。吊具由弓形夹1、套管3、受力杆5、夹头6、角爪7等组成。弓形夹1固牢在套管3上。用吊车吊住弓形夹1,放入零件内孔时(见左图),夹头6位于受力杆5的凹槽内。吊具便自由地进入零件孔内。用吊车吊住U形环
The spreader is suitable for cylindrical parts with holes (sets, gears, wheels, drums, etc.), hoisting in heat treatment pit furnaces, or handling between cold work shop processes. When lifting hot-working parts, the spout of the spreader shall be covered with heat-resistant asbestos sleeve. Spreader by the bow clip 1, casing 3, the force rod 5, chuck 6, 7 and other components of the angle. The clip 1 is fixed on the sleeve 3. Use a crane to loosen the clip 1 and put it into the hole of the part (see left). The collet 6 is located in the groove of the force receiving rod 5. Spreader will be free to enter the parts hole. Use a crane to hold the U-ring