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Dry oil (grease) lubrication system

2019-10-14 14:11:21

In a variety of mechanical equipment, in addition to widely used thin oil lubrication, in many friction pairs also used grease (referred to as dry oil) lubrication. For example, some friction pairs of blast furnace top equipment; The gear ring meshing part of the tilting mechanism in the steelmaking workshop; Certain lubrication points on various metallurgical cranes; The flat friction pair between the bearing seat and the stand window of the rolling mill; Straightening roller bearing of straightening machine, some friction pairs of shearing set; The bearing of roller table group is different according to the condition of friction pair. Do not use separate and dispersed lubrication (that is, manually add grease to the lubrication point or grease cup with grease gun regularly); Some because the number of friction pair is much, the limitation of working condition, add fat to have certain difficulty with artificial (if high temperature, lubricate a bit more, add fat artificially busy not to come over, add fat artificially not easy to approach lubricate a bit). The dry oil centralized lubrication system must be used to regularly add grease.

Classification of concentrated lubrication of dry oils:

Dry oil centralized lubrication system is to take grease as the lubrication medium of mechanical friction pair. A complete set of equipment for supplying grease to a lubrication point through a dry oil station. Due to the different research basis of dry oil centralized lubrication system, the classification method is also different. Currently, the general classification method is:

1. According to the number of lines to the lubrication point

(1) Centralized lubrication system of dry oil with single line (single line) for grease supply

(2) A centralized lubrication system of dry oil with double pipelines (double lines) for grease supply

2. According to the driving mode of fat supply

(1) Centralized lubrication of manual dry oil

Manual dry centralized lubrication system

1 -- Manual dry oil station; 2 -- Dry oil filter; 3 -- Double line oil feeder; 4 -- Branch pipe for oil transportation; 5 - Bearing vice

6 -- Reversing valve; Ⅰ, Ⅱ - Head lose fat

(2) Automatic dry oil centralized lubrication system. Because power source is different, can divide again: electromotive force and wind move two kinds.

3. According to the layout type of double line grease supply pipeline

(1) Outflow (end flow) type concentrated dry oil lubrication system

Discharge type dry oil centralized lubrication system

1 -- Electric dry oil station; 2 -- Solenoid directional valve; 3 -- Dry oil filter; 4 -- Branch pipe for oil transportation; 5 - Bearing vice

6 -- Reversing valve; Ⅰ, Ⅱ - Head lose fat

(2) Ring (loop) dry oil centralized lubrication system

Ring dry centralized lubrication system

1 -- Oil storage cylinder; 2 -- Hydraulic directional valve; 3 -- Oil feeder; 4 -- Limit switch; 5 -- Reducer;

6 -- Motor; 7 -- Plunger pump; Ⅰ, Ⅱ - Head lose fat

4. According to the single line of grease supply (single line oiler) pressure grease to the lubrication point of the action sequence

(1) Single line sequence

Single line sequential dry oil centralized lubrication system

1 -- Fat transfer supervisor; 2 -- Dry oil filter; 3 -- Operating valve; 4 -- Dry oil pump;

5 -- Main feed pipe; 6 -- Lipid transfer branch tube; 7 -- Secondary oil feeder

(2) Single line non-sequential form

Single - line non - sequential dry - oil centralized lubrication system

1 -- Dry oil pump station; 2 -- Operating valve; 3 - Fat transfer supervisor; 4, Oil feeder

(3) Single line cycle

Single line circulating dry oil centralized lubrication system

1 -- Dry oil pump station; 2 -- Reversing valve; 3 -- Filter; 4 - Fat transfer supervisor; 5 - Oil feeder

Combined dry oil centralized lubrication system for multi-point dry oil pump and single wire feeder

There are two types of centralized lubrication system for dry oil with multi-point grease supply. It is a dry oil centralized lubr

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