To provide a pipe carriage cart that can hook and lower a pipe while straddling an excavated groove with simple steps.SOLUTION: A pipe carriage cart (1) includes: a plurality of running wheels (11); an auxiliary wheel (12) grounding outside a grounding range that is a range surrounded by a plurality of grounding points related to each of the plurality of running wheels; and a rotation mechanism (14) for rotating the auxiliary wheel relative to the running wheels around an axis perpendicular to a grounding surface that is a surface including the plurality of grounding points.SELECTED DRAWING: Figure 1
【課題】容易な手順で掘削溝を跨いだ状態として管の吊り降ろし作業を行うことが可能な管搬送台車を実現する。【解決手段】管搬送台車(1)は、複数の走行輪(11)と、複数の走行輪のそれぞれに係る複数の接地点により囲まれる範囲である接地範囲の外部において接地する補助輪(12)と、複数の接地点を含む面である接地面に垂直な軸の周りで、補助輪を走行輪に対して回転させる回転機構(14)と、を備える。【選択図】図1
PIPE CARRIAGE CART
管搬送台車
2020-04-16
Patent
Elektronische Ressource
Japanisch
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
ACCESSORY MEMBER FOR CARRIAGE CARTS, AND CARRIAGE CART
Europäisches Patentamt | 2023
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