BX係xi列lie牆qiang式shi起qi重zhong機ji是shi懸xuan臂bi起qi重zhong機ji係xi列lie的de又you一yi突tu破po，利li用yong螺luo栓shuan角jiao鐵tie聯lian接jie件jian，將jiang三san角jiao支zhi架jia固gu定ding在zai混hun凝ning土tu牆qiang或huo柱zhu上shang，旋xuan臂bi與yu支zhi架jia絞jiao接jie，結jie構gou簡jian單dan
，操cao作zuo方fang便bian，作zuo業ye空kong間jian大da。旋xuan臂bi可ke安an裝zhuang電dian動dong或huo手shou動dong葫hu蘆lu來lai提ti升sheng重zhong物wu，電dian動dong葫hu蘆lu或huo手shou拉la葫hu蘆lu在zai旋xuan臂bi工gong字zi鋼gang上shang作zuo直zhi線xian運yun行xing
，並bing吊diao起qi重zhong物wu，由you人ren力li推tui動dong懸xuan空kong的de重zhong物wu或huo自zi備bei的de拉la環huan，實shi現xian回hui轉zhuan。適shi用yong於yu庫ku房fang，碼ma頭tou
，貨huo物wu作zuo短duan距ju離li搬ban運yun裝zhuang卸xie之zhi用yong，為wei鋼gang結jie構gou廠chang房fang或huo生sheng產chan流liu水shui線xian提ti供gong理li想xiang的de起qi重zhong機ji械xie，使shi用yong安an全quan可ke靠kao，轉zhuan動dong靈ling活huo，從cong而er減jian輕qing工gong人ren的de作zuo業ye強qiang度du，提ti高gao生sheng產chan率lv。