PROBLEM TO BE SOLVED: To provide a working conveyance carriage, which is workable, traveling in a stable posture to planters with elevated type-culture floor.SOLUTION: In a conveyance carriage 5 according to the present invention installed side by side are: a movement frame 76, which has first wheels 77 at its bottom part and moves a lateral side of planters 2 and a grip frame 78, which has second wheels 79 engaging with an outer frame of a planter 2, at its bottom part, for grasping work machine 4 in a manner that it can be freely lifted up and down. The movement frame 76 has two grip parts 80c on both edges of its side face which is opposite side to the grip frame 78. The first wheels 77 of the movement frame 76 travel on a lateral side of the planters 2 and on carriage guide rails 6 which are laid extendedly in a longer direction of the planter 2.COPYRIGHT: (C)2015,JPO&INPIT【課題】高設式栽培床におけるプランタに対して安定した姿勢で移動しながら作業可能な作業用搬送台車を提供することを目的とする。【解決手段】本願発明の搬送台車5は、第1車輪77を底部に有してプランタ2の側方を移動する移動架台76と、プランタ2の外枠に係合する第2車輪79を底部に有するとともに作業機4を昇降可能に把持する把持架台78とを併設している。移動架台76は、把持架台78と逆側となる側面の両縁に2本の取手部80cを具備しており、移動架台76の第1車輪77が、プランタ2の側方でプランタ2の長手方向に延設される台車案内レール6上を走行する。【選択図】図6