DBZ—Fxingdiandongtuiganzhushixuanbiqizhongjishigenjuyonghuxuyaoshejidezhuanyongqizhongshebei。gaijizhuyaolingjianquanbucaiyongbuxiugangzhicheng，shiyizaiyoufushixingqitidechangsuoshiyong
，tongshigaijihaipeizhilefangbaodianjihefangbaoxingchengkaiguan，shiyongyuyongbaozhaxingqitihuozhengqiyukongqixingchengdebaozhaxinghunhewudechangsuo。 　　該機由固定立柱
、活動立柱
、旋臂
、滾輪裝置和電動推杆等部件組成，結構簡單，回轉輕便靈活
，可旋轉300度，作業空間大。 　　該機旋臂的回轉靠人手拉動旋臂回轉：zhongwudeshengjiangyoudiandongtuigandaidonghuodonglizhuzaigudinglizhuneishangxiahuadonglaishixian。diandongtuiganneisheyouguozaizidongbaohuzhuangzhi，dangqidiaozhongliangchaoguoedingtuiliyidingshuzhishi，tuiganzezidongtingji，congerqidaoguozaibaohudezuoyong，shidianjijigoujianbuzhisunhuai。tuiganwaibuanzhuanglefangbaoxingchengkaiguan，yonghukegenjuxuyaotiaojiexingchengdaxiao，yikongzhituiganzhengchangqidonghetingzhi。