To enable a smooth transportation to be carried out even at a narrow curved pipe part and facilitate a core-to-core connection at a pipe-in-pipe construction method.SOLUTION: This invention relates to a transportation bogie 20 for a pipe-in-pipe to carry in a new pipe 12 into an existing pipe 10, which includes: a shank body 22 inserted and passed in the new pipe 12; an expandable or shrinkable travel mechanism 30 for supporting said shank body 22 in the pipe to move forward and rearward; a pipe supporting mechanism 40 arranged in said shank body 22 to support the new pipe 12 at several locations in its forward or rearward directions from inside to move it in an upward or downward, rightward and leftward directions and incline it in a forward or rearward direction; a core-alignment mechanism 50 arranged at the extremity end of said shank body 22; and a steering mechanism 60 arranged at the rear end of said shank body 22.SELECTED DRAWING: Figure 1

    【課題】パイプインパイプ工法において、狭隘な曲管部でも円滑に運搬を可能とすると共に、芯出し接合を容易とする。【解決手段】既設管10内に新設管12を搬入するためのパイプインパイプ用運搬台車20であって、新設管12の管内を挿通する柄体22と、該柄体22を管内で支持して前進及び後退させるための伸縮可能な走行機構30と、前記柄体22に配設された、新設管12をその前後方向複数箇所で内側から支持して上下左右方向に移動及び前後方向に傾動させるための管支持機構40と、前記柄体22の先端に配設された芯合せ機構50と、前記柄体22の後端に配設された操舵機構60を備える。【選択図】図1


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    Title :

    CARRIAGE BOGIE FOR PIPE-IN-PIPE


    Additional title:

    パイプインパイプ用運搬台車


    Contributors:

    Publication date :

    2019-10-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16L PIPES , Rohre / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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