A lubrication device for a hydraulic cylinder

By installing heating wires in the hydraulic cylinder lubrication device to heat the lubricating oil, and combining this with oil spray pipes and brush cleaning, the problems of poor lubricating oil flow and incomplete cleaning are solved, achieving uniform distribution of lubricating oil and thorough cleaning of the cylinder inner wall.

CN224516493UActive Publication Date: 2026-07-17LUZHOU CHANGXIN HYDRAULIC MACHINERY MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LUZHOU CHANGXIN HYDRAULIC MACHINERY MFG CO LTD
Filing Date
2025-10-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing hydraulic cylinder lubrication devices have poor lubricant flow in low-temperature environments, making it difficult to clean deposits from the inner wall of the cylinder, resulting in uneven lubrication. Furthermore, the increased adhesion of the lubricant makes it difficult to remove impurities.

Method used

An electric heating wire is installed inside the oil tank to heat the lubricating oil. Combined with the oil spray pipe and cleaning brush on the rotating plate, the flowability of the lubricating oil is improved by heating, and the brush and air are used to clean the deposits on the inner wall of the oil cylinder.

Benefits of technology

It improves the fluidity and cleaning effect of lubricating oil, ensures uniform distribution of lubricating oil, effectively cleans deposits on the inner wall of the oil cylinder, and improves lubrication effect and cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a lubrication device for hydraulic cylinders, relating to the technical field of hydraulic cylinder manufacturing equipment. It includes an oil tank with a heating wire installed inside. A control board is installed at the front end of the oil tank, a return pipe is installed at the top of the tank, a storage box is installed above the return pipe, and a fixing plate is installed above the storage box. A rotating shaft is rotatably mounted on the upper end of the fixing plate, and a rotating plate is mounted on the upper end of the rotating shaft. A rotating disk is rotatably mounted on one side of the upper end of the rotating plate, and a rotating brush is detachably mounted on the upper end of the rotating disk. An oil spray pipe is installed on the other side of the upper end of the rotating plate, and the oil spray pipe is connected to the oil tank via a hose. Two clamping plates are adjustablely mounted at the rear of the rotating brush. This utility model, by installing a heating wire inside the oil tank and using the control board to control the heating wire to heat the lubricating oil inside the tank, effectively increases the fluidity of the lubricating oil, facilitating the even distribution of the sprayed lubricating oil inside the cylinder and reducing the impact of external temperature on the flow of the lubricating oil.
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