塔機(jī)計(jì)算書(shū)-完整版

1、塔式起重機(jī)計(jì)算書(shū)1一臂架計(jì)算一臂架計(jì)算________________________________________________________31.1俯仰變幅臂架俯仰變幅臂架_________________________________________________________31.1.1載荷________________________________________________________________

2、____31.1.2臂架計(jì)算________________________________________________________________31.2小車(chē)變幅臂架計(jì)算（單吊點(diǎn)三角截面）小車(chē)變幅臂架計(jì)算（單吊點(diǎn)三角截面）___________________________________91.2.1載荷_____________________________________________________________

3、_______91.2.2臂架計(jì)算_________________________________________________________________91.3小車(chē)變幅臂架計(jì)算（雙吊點(diǎn)三角截面）小車(chē)變幅臂架計(jì)算（雙吊點(diǎn)三角截面）__________________________________221.3.1載荷_________________________________________________________

4、__________221.3.2臂架計(jì)算________________________________________________________________22二塔式起重機(jī)塔身結(jié)構(gòu)計(jì)算塔式起重機(jī)塔身結(jié)構(gòu)計(jì)算__________________________________________382.1塔身受力計(jì)算塔身受力計(jì)算___________________________________________________

5、_____382.1.1塔身在臂根鉸接截面受力計(jì)算：____________________________________________392.1.2塔身內(nèi)力計(jì)算工況_______________________________________________________392.2桁架塔身整體強(qiáng)度和穩(wěn)定性計(jì)算桁架塔身整體強(qiáng)度和穩(wěn)定性計(jì)算________________________________________412.2.1

6、塔身截面幾何性質(zhì)________________________________________________________412.2.2塔身的長(zhǎng)細(xì)比____________________________________________________________442.2.3塔身強(qiáng)度與整體穩(wěn)定性____________________________________________________462.3桁架塔身主肢計(jì)算桁

7、架塔身主肢計(jì)算____________________________________________________462.4腹桿計(jì)算腹桿計(jì)算____________________________________________________________472.5塔身位移計(jì)算塔身位移計(jì)算________________________________________________________492.6塔身的扭轉(zhuǎn)角塔身的扭

8、轉(zhuǎn)角________________________________________________________492.7塔身的連接塔身的連接__________________________________________________________51三整機(jī)穩(wěn)定性的計(jì)算整機(jī)穩(wěn)定性的計(jì)算________________________________________________533.1第一種工況（無(wú)風(fēng)，驗(yàn)算前傾）：第一

9、種工況（無(wú)風(fēng)，驗(yàn)算前傾）：______________________________________543.2第二種工況（無(wú)風(fēng)，驗(yàn)算后傾）第二種工況（無(wú)風(fēng)，驗(yàn)算后傾）________________________________________553.3第三種工況（最大風(fēng)力作用下，驗(yàn)算前傾）第三種工況（最大風(fēng)力作用下，驗(yàn)算前傾）______________________________553.4第四種工況（最大風(fēng)力作用下，驗(yàn)算后傾

10、）第四種工況（最大風(fēng)力作用下，驗(yàn)算后傾）______________________________553.5第五種工況（第五種工況（45度轉(zhuǎn)角）度轉(zhuǎn)角）_____________________________________________563.6第六種工況（非工作狀態(tài)、暴風(fēng)侵襲）第六種工況（非工作狀態(tài)、暴風(fēng)侵襲）__________________________________56塔式起重機(jī)計(jì)算書(shū)3一臂架計(jì)算一臂架計(jì)算1.1俯

11、仰變幅臂架俯仰變幅臂架1.1.1載荷載荷起重臂架的主要載荷為起升載荷、臂架自重載荷、物品偏擺水平力、各種慣性力和風(fēng)力。臂架按兩個(gè)平面的作用載荷進(jìn)行計(jì)算：1）變幅（垂直）平面：受有起升載荷、物品偏擺力、自重載荷、慣性力和風(fēng)力。2）回轉(zhuǎn)（水平）平面：受有物品偏擺力、慣性力和風(fēng)力。1.1.2臂架計(jì)算臂架計(jì)算1）計(jì)算模型臂架整體受力分析如圖11所示，分別受距頭部起升滑輪Lx1處的變幅拉板力和起升載荷作用，同時(shí)承受導(dǎo)向輪處起升單繩拉力。θθθ圖1