摘要 本设计为9T集装箱叉车举升机构设计。集装箱举升机构主要由起升油缸、滑架、内外门架、提升链条等部件组成。本设计根据任务书给定的叉车额定举升重量为9000kg；最大举升高度为13.3m；门架前倾角度为3，后倾角度为3； 满载时的最大爬坡度为20%，约12等工况和极限条件，对叉车举升机构进行了结构设计及强度设计计算及校核，完成了举升机构主要零部件的结构尺寸、材料及主要制造工艺的设计工作。此次设计参考了意大利FANTUZZI公司的类似叉车设计资料。本设计对其进行了改进设计以及国产化设计。 关键词:集装箱叉车；举升机构；结构设计；强度设计及校核 ABSTRACT This desig
n is desig
ned for the lifti
ng mecha
nism of 9T co
ntai
ner forklift truck. Co
ntai
ner lifti
ng mecha
nism mai
nly co
nsists of lifti
ng oil cyli
nder, slidi
ng frame, i
nside a
nd outside portal frame, lifti
ng chai
n a
nd other compo
ne
nts. The lifti
ng weight of the forklift set accordi
ng to the task book is 9000kg; the maximum lifti
ng height is 13.3m; the fro
nt rake a
ngle of the ga
ntry is 3, a
nd the rear tilt a
ngle is 3. The maximum climbi
ng slope at full load is 20%, about 12 of the worki
ng co
nditio
ns a
nd limit co
nditio
ns. The structure desig
n a
nd stre
ngth desig
n of lifti
ng mecha
nism of forklift truck are calculated a
nd checked, a
nd the desig
n work of the structure size, material a
nd the mai
n ma
nufacturi
ng process of the mai
n parts of the lifti
ng mecha
nism is completed. This desig
n is based o
n the similar forklift desig
n data of FANTUZZI compa
ny i
n Italy. The desig
n has improved desig
n a
nd localizatio
n desig
n. Key words co
ntai
ner fork lift; lifti
ng mecha
nism ;architectural desig
n; Stre
ngth desig
n a
nd check 目录 1大型集装箱叉车设计主参数的确定1 1.1设计规格的确定1 1.1.1空箱堆高机的应用场合及市场1 1.1.2集装箱类别、尺寸和额定质量1 1.1.3设计规格的确定2 1.2设计主参数的确定3 1.2.1额定起重重量的确定3 1.2.2最大起重重量的确定3 1.2.3最大起升高度的确定3 2叉车总体方案设计4 2.1方案的结构特点4 2.1.1具体参数确定5 3结构设计7 4叉车主要部分的强度校核10 4.1门架受力计算10 4.2门架强度与刚度校核12 4.2.1门架强度校核12 4.2.2门架强度校核16 4.3对于链条及固定销钉的选取22 4.3.1链条的选取22 4.3.2固定链条的销钉的校核25 4.4小零件的校核计算25 1.1.14.4.1销钉的校核与计算25 4.4.2滚轮轴的确定28 4.4.3内外门架接合处轴承寿命计算29 5叉车动力功率31 5.1叉车的稳定性31 5.1.1叉车整车重心的估算31 5.1.2车满载堆垛纵向稳定性32 5.1.3叉车满载运行纵向稳定性32 5.1.4叉车满载堆垛横向稳定性32 5.2叉车的动力装置35 5.3转向油缸的设计选用35 5.3.1转向油缸结构的设计与计算37 5.3.2活塞杆的强度校核39 5.4制动力矩的估算39 5.5整车功率的估算40 6叉车的传动部分42 6.1叉车的传动系统42 6.1.1叉车传动系统的特点42 6.1.2叉车传动系统的主要部件42 6.2驱动桥壳43 6.2.1桥壳的作用、要求、结构特点及典型结构43 6.3强度校核44 6.4最大牵引力的工况45 6.5满载紧急制动工况47 7液压系统49 7.1叉车的液压系统49 7.2叉车对液压系统的要求49 参考文献64 致谢66