QYDZ主机气动液压顶推支撑装置
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QYDZ主机气动液压顶推支撑装置
QYDZ M/E Pneumatic Hydraulic Top Bracing Device概述 Overview
QYDZ主机气动液压顶推支撑装置安装在主机和船体结构强梁之间，其功能主要用来降低主机运行中产生的固有频率，从而降低主机振动所产生的影响，减少船体的变形量，提高船舶航行的舒适性。其相对于主机的热膨胀以及船舶装载所产生的纵向和横向位移来说是柔性的。
QYDZ M/E pneumatic hydraulic top bracing device is installed between the engine and the hull, to reduce the natural frequencies of the engine,lower the impact of the vibrations,reduce the deformation of the hull and improve the comfort of the ship sailing. The hydraulic top bracing units are flexible to thermal expansion of the engine and longitudinal and lateral displacement of various loading conditions of the vessel.
配置方式是安装在主机的右舷（排气侧），如果方便的话，亦可安装在左舷（凸轮轴侧），但只需要安装在一侧即可。主要适用于MAN B&W、WinGD、Wartsila、等低速主机。其标准的安装方式有2缸或4缸，具体数量取决于主机的缸径和缸数。
The standard installation is on the starboard side of the engine, but port side installation can alternatively be used if this is more convenient. Installation is only necessary on one side,mainly for MAN B & W, WinGD, Wartsila, Mitsubishi, Doosan and other low-speed engine. The standard installation features two or four top bracing units, depending on engine size and cylinder number.选型参数表
型号
Type液压缸公称直径
The nominal diameter of cylinder额定支撑载荷
Nominal force最大支撑载荷Max.force
压缩空气气源压力
Air supply pressure of compressed airQYDZ300A
300mm
85kN
183.8 kN
2.5~3.0MPa
QYDZ300B
300mm
28kN
127 kN
0.5~1.0MPa
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