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滾筒不僅是帶式輸送機主要傳動部件也是易損件，特別是在復雜惡劣的工況下，如何改進結(jié)構(gòu)、提高工效、延長使用壽命，一直是研制人員所關注的課題。
設計中采用了軸固定于滾筒外支座上的結(jié)構(gòu)，傳動時只有筒體及軸承旋轉(zhuǎn)，形成了主受力與傳動部件分隔的傳動系統(tǒng)。降低了整體運行阻力。在軸的設計中，將注油孔設置于軸端，通過軸身內(nèi)部通道注入潤滑油；軸外側(cè)加無縫鋼管軸套，軸套兩端通過聯(lián)接盤與鑄焊接盤焊接，形成軸承、軸及密封件為一整體的密封系統(tǒng)。
特性：
(1)結(jié)構(gòu)上很好地解決了大型滾筒組裝時易使軸端與軸承配合錯位引起軸階與軸承內(nèi)圈擦傷而影響零件使用壽命，裝配浪費工時等問題。使用軸套組裝能較好地對正，且安裝方便。
(2)軸套與軸徑向間隙為0.5—1mm，從軸端油杯處注油，使?jié)櫥湍艹錆M軸套與軸的間隙，軸與軸套之間可形成吸附油膜能隨時補充軸承及密封腔內(nèi)的潤滑油。經(jīng)測試新型滾筒整體旋轉(zhuǎn)阻力比普通滾筒降低40%左右。
(3)軸套做了耐腐處理，使筒皮內(nèi)壁由于時效及外部侵蝕等怍用脫落的氧化物等雜質(zhì)被隔絕于整個傳動體系之外，大大延長了軸、軸承等傳動零件的壽命，提高了滾筒的密封性。
(4)接盤采用鑄焊結(jié)構(gòu)，接盤與筒皮采用“U"形焊縫焊接。為保證鑄膠附著強度，經(jīng)試驗合理的設計了筒體金屬表面車削工藝螺紋，以保證其技術要求。

中譯英：
Belt conveyor roller is not only the main transmission parts and wearing parts, especially in the complex and bad conditions, how to improve the structure, improve work efficiency, prolong the service life, has been the research focus of researchers.
The design uses a shaft is fixed on the roller support structure, drive when only the cylinder body and the bearing to rotate, formed the main force and the driving components separated transmission system. To reduce the overall running resistance. In the design of shaft, the oiling holes are arranged on the shaft end, through the shaft body channel injecting lubricating oil; the outer side of the shaft and seamless steel pipe sleeve, at both ends of the shaft sleeve through a connecting disc with casting welding plate welding, forming a bearing, shaft and seal is a sealing system.
Characteristic：
(1) the structure well solves the large drum assembly is easy to make the end of the shaft and bearing misalignment caused by shaft and the inner ring of the bearing abrasion and impact of order of service life of parts, assembly waste hours of work and other problems. The use of shaft sleeve assembly can be effectively, and has the advantages of convenient installation.
(2) the sleeve and the shaft radial clearance of 0.5 - 1mm, from the end of the shaft oil cup oil, the lubricating oil can be filled in the gap of the sleeve and the shaft, shaft and the shaft sleeve can form between the adsorption of oil film bearing and seal cavity can at any time to add lubricating oil. By testing the new drum rotation resistance than ordinary roller is reduced by about 40%.
(3) Bush made corrosion treatment, so that the cylinder inner wall due to aging skin and external erosion Zun with shedding of oxides and other impurities were isolated in the whole transmission system, greatly extending the shaft, bearings and other transmission parts of the life, improve the cylinder seal.
(4) connected discs using cast weld structure, connecting plate and the drum skin by "U" shape weld. In order to ensure the rubber casting adhesive strength test, the reasonable design of the cylinder surface of metal cutting process thread, in order to ensure the technical requirements.
(圖/文www.changrong-jx.com)