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SHIPBORNE INDICATING PRESSURE GAGE

机译:船用指示压力计

摘要

FIELD: measuring equipment.;SUBSTANCE: invention is related to instrument making, namely to indicating pressure gages. Shipborne indicating pressure gage comprises cylindrical case, where holder base is installed, ending with nozzle for connection to measured pressure on external side of case, Bourdon tubular gauge, which is connected with its free end via traction rod to pinion-sector transmission mechanism, which converts motion of free pipe end to circular motion of arrow installed on pinion axis and arranged over dial plate, besides pinion-sector mechanism comprises mechanically joined two joined parallel metal upper and lower plates, which are rigidly fixed on holder base, between which toothed sector is installed as engaged to pinion, on axis of which bush is put with axial hole, and tension flat helical spring is fixed into its slot by its internal end, and by its external end - to pinion-sector mechanism. Besides pinion-sector mechanism comprises protective limiting cup, where hole is available for passage of pinion axis, which is engaged with toothed sector and toothed inertial disk, besides axis of pinion and axis of toothed inertial disk lie in the same plane, and axis of pinion coincides with central axis of pressure gage.;EFFECT: preservation of measurements accuracy, increased vibration stability and reliability of pressure gages operation under shaking conditions.;4 cl, 4 dwg
机译:技术领域本发明涉及仪器制造,即指示压力计。船载指示压力计包括圆柱形壳体,该壳体安装有支架底座,其末端为用于连接壳体外侧的测得压力的喷嘴; Bourdon管状压力计,其自由端通过牵引杆连接至小齿轮扇形传动机构,将自由管端的运动转换为安装在小齿轮轴上并布置在刻度盘上方的箭头的圆周运动,小齿轮扇形机构还包括机械连接的两个相连的平行金属上下板,它们刚性地固定在支架底座上,齿形扇形之间安装成与小齿轮啮合,小齿轮的轴上装有轴向孔,而张紧的螺旋弹簧的内端和外端固定在其狭槽中-小齿轮扇形机构。小齿轮扇形机构包括保护性限制杯,小齿轮轴线上有孔,与小齿轮轴线和惯性盘齿轮轴线啮合,小齿轮的轴线与小齿轮轴线和惯性盘轴线位于同一平面,小齿轮与压力计的中心轴重合;效果:保持测量精度,增加振动稳定性以及压力计在摇动条件下运行的可靠性。4 cl,4 dwg

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