QYDZ主機(jī)氣動液壓頂推支撐裝置
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QYDZ主機(jī)氣動液壓頂推支撐裝置
QYDZ M/E Pneumatic Hydraulic Top Bracing Device概述 Overview
QYDZ主機(jī)氣動液壓頂推支撐裝置安裝在主機(jī)和船體結(jié)構(gòu)強梁之間，其功能主要用來降低主機(jī)運行中產(chǎn)生的固有頻率，從而降低主機(jī)振動所產(chǎn)生的影響，減少船體的變形量，提高船舶航行的舒適性。其相對于主機(jī)的熱膨脹以及船舶裝載所產(chǎn)生的縱向和橫向位移來說是柔性的。
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.
配置方式是安裝在主機(jī)的右舷（排氣側(cè)），如果方便的話，亦可安裝在左舷（凸輪軸側(cè)），但只需要安裝在一側(cè)即可。主要適用于MAN B&W、WinGD、Wartsila、等低速主機(jī)。其標(biāo)準(zhǔn)的安裝方式有2缸或4缸，具體數(shù)量取決于主機(jī)的缸徑和缸數(shù)。
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.選型參數(shù)表
型號
Type液壓缸公稱直徑
The nominal diameter of cylinder額定支撐載荷
Nominal force最大支撐載荷Max.force
壓縮空氣氣源壓力
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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