PIPING CHANGEOVER DEVICE FOR READY MIXED CONCRETE PUMPING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a piping changeover device which can simply change over to the washing piping in a short time after pumping of ready mixed concrete and can form a branch line for supplying the wet concrete to be placed. ;SOLUTION: An end plate 8 having a connection pipe part 7 to be connected with the discharge pipe 2 of a pump 1 for pumping ready mixed concrete is coupled with an end plate 10 having a connection pipe part 9 to be connected with a pump piping 3 for ready mixed concrete in such a way that they are apart in parallel positioning and can be fastened by bolts 22 and 23. Between these end plates 8 and 10, a pair of slide contact plates 21 where the two ends of a wet concrete piping part 5 in communication with the connection pipe parts 7 and 9 are coupled with a washing piping part 6, are borne interposed in such a way as ratable manually, wherein one end of the washing piping part 6 can be in communication with the piping 3 while the other end is bent in the direction of intersecting the connection pipe part 9.;COPYRIGHT: (C)1999,JPO