| 摘要 |
PROBLEM TO BE SOLVED: To provide concrete spray equipment capable of extending an area for spraying concrete on a placing surface from a spray nozzle.SOLUTION: This concrete spray equipment includes: an arm 22 which is supported on an end portion of a boom in such a manner as to be turnable around a shaft 22a; a swing arm 23 which is supported on the end of the arm 22 in such a manner as to be swingable around a swing shaft 30a; the spray nozzle 24 which is provided at the end of the swing arm; concrete guiding piping 26 which is arranged along the longitudinal direction of the arm 22, and which guides base concrete to the spray nozzle 24; a first pipe joint 32 which connects one end of the concrete guiding piping 26 and a straight pipe, connected to a concrete charging port of the spray nozzle 24, in such a manner that they can be relatively turned in a circumferential direction; and a second pipe joint 33 which makes an end of a concrete transport hose 25 connected to the other end of the concrete guiding piping 26 in such a manner as to be relatively turnable in its circumferential direction. |
