| 摘要 |
FIELD: material handling facilities. ^ SUBSTANCE: invention relates to hangers of crane load blocks. Block 6 moving along axle 7 between central position for suspending load block by one strand and side position for suspending load block by two strands is installed on end of boom 2. Load block 4 with symmetrical casing has block 20 and detachable guides 30 for load-lifting rope 3. When suspending load block by two strands 3a, 3b, end 16 of rope 3 is connected with attachment unit located on end of boom 2 from side opposite to side position of block 6. When suspending load block by one strand, end of rope 3 is connected with attachment unit arranged in load block. ^ EFFECT: possibility of changing over from suspension by one strand to suspension by two strands and vice versa. ^ 14 cl, 7 dwg |
