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本标准规定了液压泵和马达的菱形、方形安装法兰和轴伸的尺寸系列和标记,作为制订各类液压泵和马达采用该型式的安装法兰和轴伸的依据。有特殊要求的航空用液压泵和马达的安装连接尺寸,不属此范围。本标准参考了国际标准ISO3019/2《液压泵和马达安装法兰和轴伸尺寸系列和标记,第二部分:2孔和4孔法兰和轴伸——米制》。 1、菱形、方形安装法兰 1.1 菱形安装法兰,分为短止口和长止口二种,设计时根据具体情况采用。其结构和尺寸系列按图1和表1规定。
This standard specifies the hydraulic pump and motor diamond, square mounting flange and shaft extension of the size series and markings, as the development of various types of hydraulic pumps and motors using the type of mounting flange and shaft extension basis. There are special requirements of aviation hydraulic pump and motor installation connection dimensions, does not belong to this range. This standard references the international standard ISO 3019/2 “Hydraulic and motor mounting flanges and shaft extension dimensions and marking, Part 2: 2-hole and 4-hole flange and shaft extension - metric system”. 1, diamond, square mounting flange 1.1 diamond mounting flange, divided into short and long stop only two, designed according to the specific circumstances. The structure and size of the series according to Figure 1 and Table 1 provides.