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苏制-1252、波兰产-1001、-1206、-1206B及国产W-1001型挖掘机动臂变幅采用蜗轮蜗杆机构。利用蜗轮蜗杆本身的自锁作用来防止落臂。我们在实际使用中,因蜗轮蜗杆失锁而造成的倒臂事故经常发生,使机器
Soviet -1252, Poland -1001, -1206, -1206B and domestic W-1001 excavator boom amplitude worm gear mechanism. Use worm gear itself to prevent the arm from falling. In actual use, because of worm gear lock failure caused by the arm accidents often occur, so that the machine