{"id":325,"date":"2017-10-10T09:16:04","date_gmt":"2017-10-10T09:16:04","guid":{"rendered":"https:\/\/www.dgcranewheel.com\/?post_type=posts&p=325"},"modified":"2018-05-26T08:00:26","modified_gmt":"2018-05-26T08:00:26","slug":"the-causes-excessive-friction-and-presents-solutions-to-the-problem","status":"publish","type":"posts","link":"https:\/\/www.dgcranewheel.com\/zh\/causes-excessive-friction-presents-solutions-problem\/","title":{"rendered":"\u8fc7\u5ea6\u6469\u64e6\u7684\u539f\u56e0\u5e76\u63d0\u51fa\u89e3\u51b3\u95ee\u9898\u7684\u65b9\u6cd5"},"content":{"rendered":"
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Concrete beams are usually casted on site in the construction of crane factory houses. In the process of installation or pouring of supporting rail beams, the construction errors will make it difficult to pass the level and leveling degree of the rails bearing beams at the first time, so the installation process should according to the GB50205-2011 “Code for acceptance of construction quality of steel structure engineering” or GB50204-2002 “Code for acceptance of construction quality of concrete structure engineering” to control the dimention of supporting rail beam. So the crane track should be installed only after the rail girder is adjusted, otherwise it will cause friction.<\/p>\r\n

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The difference between the two tracks does not meet the requirements, according to gb\/t 10183-2005 “Bridge crane and gantry crane construction and rail installation tolerance “, the limit deviation of the top surface of the track relative to the theoretical height is \u00b110 mm. Once the height difference between the tracks exceeds this range, the bridge crane may slip laterally during operation and cause the rail friction. This kind of situation needs to adjust the track height difference to solve the track friction problem.<\/p>\r\n

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