减速箱真空防渗漏装置

Vacuum leak-proof device for speed reducing box

Abstract

The utility model relates to a vacuum leak-proof device for a reduction gearbox, which mainly solves the problem of leakage of the reduction gearbox of an oil pumping machine. The utility model is characterized in that a motor (1) and a vacuum pump (4) are sequentially fixed below a sight hole cover (2) which is arranged in a housing (7), both ends of the vacuum pump (4) are respectively connected with the motor (1) and a hose (5) which is arranged outside the sight hole cover (2), and the lower side end of the vacuum pump (4) is provided with an air inlet (6). The utility model has the characteristics of no leakage, material saving and simple structure, and besides, the cost is low.
一种减速箱真空防渗漏装置。主要解抽油机减速箱渗漏问题。其特征在于:壳体(7)内的视孔盖(2)下面依次固定有电机(1)、真空泵(4),真空泵(4)两端分别连接有电机(1)及置出视孔盖(2)外的软管(5),在真空泵(4)下侧端上装有进气口(6)。具有无渗漏、节约材料及结构筒单的特点,成本低,适宜推广应用。

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