Dry oil centralized lubrication system

A centralized lubricating and dry oiling technology, applied in lubricating parts, lubricating oil control valves, engine lubricating, etc., can solve problems such as oil shortage, blockage, burning loss of lubricating parts, and achieve the effect of preventing equipment damage
CN112303464AActive Publication Date: 2021-02-02SHANGHAI MEISHAN IRON & STEEL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI MEISHAN IRON & STEEL CO LTD
Publication Date
2021-02-02

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Abstract

The invention relates to a dry oil centralized lubrication system which comprises a pump station assembly, a one-way valve, a filter, a two-position three-way electromagnetic reversing valve, a two-position four-way electromagnetic reversing valve, flow meters, a rotary joint, one-way unloading valves, double-line distributors, a pressure relay and a PLC control cabinet for controlling a pump station; the pump station assembly, the one-way valve, the filter, the two-position three-way electromagnetic reversing valve, the two-position four-way electromagnetic reversing valve and the flow metersare installed around a winding drum, and the rotary joint is installed at the tail end of the winding drum; and the two one-way unloading valves and the plurality of double-line distributors are installed in the winding drum which rotates at a high speed. According to the technical scheme, by designing the minimum number of pipelines, the one-way unloading valve is additionally arranged behind the last distributor, two cavities of the distributor are connected, although a pressure operating valve is installed beside the pump station, the pressure operating valve is actually located at the tail end of the pipeline, closed control over the system is achieved, and the phenomenon of dead oil in the dry oil system is eliminated.
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Description

Technical field

[0001] The invention relates to a lubrication system, in particular to a dry oil centralized lubrication system, belonging to the technical field of automatic centralized lubrication systems.Background technique

[0002] The function of the reel is to roll the steel plate into a steel coil. The expansion and contraction mechanism of the reel is mainly composed of a hollow shaft and a fan-shaped plate surrounding the hollow shaft. In the hollow shaft, there is a mandrel connected to the hydraulic cylinder. The fan-shaped plate is connected to the mandrel by two connecting rods, and two oblique wedges are installed between each fan-shaped plate and the mandrel. When the piston rod of the hydraulic cylinder extends, it will push the mandrel to move through the connecting rod. The role of the fan-shaped plate is retracted, and the diameter of the reel is reduced accordingly. When the piston rod of the hydraulic cylinder is retracted, the mandrel will be pulled back, and then t...

Claims

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