介绍了冶金起重机金属结构偏轨箱形模拟主梁的疲劳失效分析研究结果，提出疲劳失效的原因及改进措施。
Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given.
桥式起重机在使用一段时间后，会出现不同程度的大车行走啃轨现象，尤其是使用多年的陈旧桥式起重机。
Bridge crane in use after period of time, can appear different degree of cart walk chew rail phenomena, especially used for many years of old bridge crane.
分析了起重机大、小车运行产生啃轨的原因及其危害，同时列出啃轨时检验注意的问题，提出了解决啃轨的方法。
At first, the reason and hazard of rail gnawing in cranes big and small vehicle are analyzed, then the problems are listed when checking rail gnawing and resolutions are put forward.
本实用新型属于起重设备领域的一种过轨悬挂起重机。
The utility model relates to a cross track suspension hoist which belongs to the field of hoisting apparatuses.
在桥式起重机使用中常因使用不当出现车轮的啃轨现象。
Synopsis Biting rail is a common failure due to improper operation for the bridge crane.
本文分析产生啃轨现象的原因及其表现形式，并结合故障树分析法给出桥式起重机啃轨的测量方法和消除措施。
This paper analyzes the cause and manifestation of biting rail, and gives measuring method and avoidance countermeasures according to the failure tree method.
在实际治理啃轨现象的工作中，一般是以提高车架和车轮的安装精度，校正和消除起重机和轨道的缺陷为主要方法。
The error of the frame and the trail which make the crane not in parallel with the rail track is the cause of off-tracking.
环行起重机的环形轨道和承轨梁的连接方法，涉及核电站用环行起重机。
The invention discloses a method for connecting a circular track with a bearing-rail beam of a polar crane, relating to a polar crane for a nuclear power station.
环行起重机的环形轨道和承轨梁的连接方法，涉及核电站用环行起重机。
The invention discloses a method for connecting a circular track with a bearing-rail beam of a polar crane, relating to a polar crane for a nuclear power station.
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