塔式起重机(塔吊)是怎样加高的（How is tower crane (tower crane) raised）.docVIP

下载本文档

4
0
约8.6千字
约 7页
2017-07-24 发布于河南
举报
版权申诉

塔式起重机(塔吊)是怎样加高的（How is tower crane (tower crane) raised）.doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

塔式起重机(塔吊)是怎样加高的（How is tower crane (tower crane) raised）

塔式起重机(塔吊)是怎样加高的（How is tower crane (tower crane) raised） How is tower crane (tower crane) raised? 1 litre standard section In the process of hoisting should be less than 4 under the wind, lifting before the upper slewing mechanism is in braking state, does not allow a rotary motion (lifting process is strictly prohibited starting rotation and lifting operation). During lifting, the tower crane shall not be hoisted except for its own installation. If the hydraulic jacking system is abnormal, the jacking shall be stopped immediately, and the oil cylinder shall be retracted to check whether there is any lifting obstacle or the oil system fault. 1.1 preparations before the top rise A, according to the provisions of the pumping station oil to the hydraulic pump tank refueling; and press the test operation, the cylinder no-load operation 4~6 times, no abnormalities after the power off, stand-by. B, clean up all the standard section, at the junction of butter in the upper end of standard section, will be the standard section used in lifting and lifting positions of the boom line, so that the tower crane in the top Festival add up is not necessary in the process of rotary mechanism, can make the lifting process and section the shortest time; C, the lifting arm rotating top lifting sleeve frame in front of the balance arm in frame (rear jacking cylinder in the frame of the rear). 1.2 lifting operation (lifting device for falling off type) A on the ground, first, four imported rollers are fixed on the four corners of the standard section of the tower, then the standard section is hoisted and placed on the extended platform frame. B, remove the eight standard sections between the lower support and the standard section, the high-strength bolt, the pin at both ends of the jacking beam is pushed out and inserted into the round hole accurately. Make the jacking beam as close as possible to the tower, as far as the longitudinal axis of the cylinder is in the same plane. Start the h