Maintenance-free or low-maintenance self-lubricating chain wheel shaft set

Abstract

A maintenance-free self-lubricating chain wheel shaft set comprises a rotating shaft, bearing seats, shaft sleeves, bearings, and a chain wheel set, wherein the chain wheel set sleeves the rotating shaft; the shaft sleeves sleeve the rotating shaft; the shaft sleeves are symmetrically arranged on two sides of the chain wheel set; sealing assemblies are further arranged in the shaft sleeves; the bearings are symmetrically arranged at two end parts of the rotating shaft and are in key connection with the rotating shaft; oil grooves are formed in the outer wall surfaces of the bearings in the circumferential direction of the bearings; and the bearing seats are symmetrically arranged at two ends of the rotating shaft and wrap the bearings inside the bearing seats. When the chain wheel shaft set is used, lubricating oil does not need to be supplemented, meanwhile, the chain wheel shaft set breaks through traditional thin oil lubricating mode, the lubricating oil needs to be continuously filled in the actual using process of the chain wheel shaft set is completely avoided, lubricating oil leakage in the working process of the chain wheel shaft set is avoided, safe and reliable operationof the chain wheel shaft set is increased, and meanwhile pollution to the underground environment of a coal mine caused by lubricating oil leakage is greatly reduced.

Description

technical field [0001] The invention relates to the field of coal mine underground equipment, in particular to a maintenance-free or low-maintenance self-lubricating sprocket shaft set. Background technique [0002] With the continuous improvement of safety, environmental protection, high production and high efficiency requirements in coal mines, the sprocket shaft group is the key transmission part of the scraper conveyor. How to improve its reliability has become one of the key factors restricting the safe and reliable operation of the scraper conveyor. [0003] The traditional sprocket shaft group is lubricated with thin oil. During the working process, in order to ensure good lubrication conditions, it is necessary to manually add lubricating oil to the sprocket shaft group from time to time. Due to the special structure of the sprocket shaft group, the chain lubricated with thin oil The axle group can only adopt the floating seal structure, so that the sprocket axle gro...

AI Technical Summary

Problems solved by technology

[0003] The traditional sprocket shaft group is lubricated with thin oil. During the working process, in order to ensure good lubrication conditions, it is necessary to manually add lubricating oil to the sprocket shaft group from time to time. Due to the special structure of the sprocket shaft group, the chain lubricated with thin oil The axle group can only adopt the floating seal structure, so that the sprocket axle group is very prone to lubricating oil leakage during actual use, which not only easily causes equipment downtime, waste of lubricating oil, etc. pollution

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