To provide a ramp device capable of adjusting tilting of a ramp.SOLUTION: This ramp device is provided with: a first hydraulic cylinder 11 that lifts the front right side of a ramp; a second hydraulic cylinder 12 that lifts a front left side; a third hydraulic cylinder 13 that lifts a rear left side; a fourth hydraulic cylinder 14 that lifts a rear right side; front and rear hydraulic units 20A, 20B that constitute a hydraulic device 20; and a remote controller 30. The hydraulic units 20A, 20B have a hydraulic oil inlet P directly connected to the hydraulic oil outlet of a pump 22, cylinder connection ports A1, A2, A3, and B1 connected to the hydraulic cylinders 11-14, a valve block 24 having a hydraulic oil return port T for returning hydraulic oil to an oil tank 21, electromagnetic switching valves 41-43 integrally provided to the valve block 24, etc.SELECTED DRAWING: Figure 8

    【課題】昇降台の傾きを調整可能な昇降台装置を提供する。【解決手段】昇降台の前部右側を昇降させる第1油圧シリンダ11と、前部左側を昇降させる第2油圧シリンダ12と、後部左側を昇降させる第3油圧シリンダ13と、後部右側を昇降させる第4油圧シリンダ14と、油圧装置20を構成する前部及び後部油圧ユニット20A,20Bと、リモートコントローラ30とを備える。油圧ユニット20A,20Bは、ポンプ22の作動油吐出口に直結される作動油入側ポートP、油圧シリンダ11〜14に接続されるシリンダ接続ポートA1,A2,A3,B1、油タンク21に作動油を戻す作動油戻し側ポートTを有するバルブブロック24と、バルブブロック24に一体的に設けられる電磁切換弁41〜43等を有している。【選択図】図8


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    Title :

    RAMP DEVICE


    Additional title:

    昇降台装置


    Contributors:

    Publication date :

    2019-04-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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