| 1. | The rear axle is stationary , and is bolted rigidly to the main frame
后轴是固定的，用螺栓刚性固定在主机架上。 |
| 2. | Leveling jacks , located at the four corners of the main frame , are controlled from the operator ' s cab
位于主机架四角的调平千斤顶是从操作室控制的。 |
| 3. | Outer dimension w1208 d600 h760 2068 , simple and fashion design , also set of drawers , rack for host computer and keyboard , bookshelf including doors would be attached
外形尺寸： w1208 d600 h760 2068 ;简约时尚，可配置抽屉柜主机架键盘架书架可带掩门等 |
| 4. | Outer dimension w1500 d700 h780 , tidy and fashion design , it helps bring relaxation into your work time . also removable sets of drawers , rack for host computer and keyboard would be attached
外形尺寸： w1500 d700 h780 ;简约时尚，为您的工作或充值时间里融入休闲生活感受可配置活动抽屉柜主机架键盘架。 |
| 5. | The frames of bulldozers is the key parts which connect mainframe with bearing elements on ground the loads on frames are so great that the frames are liable to cause deformations as to affect the normal work of bulldozers
履带式推土机作业工况恶劣，台车架是连接主机架与地面支承元件的关键部件，其受力较大，容易发生变形而影响正常工作。 |
| 6. | ( 4 ) by imitation of six typical construction cases of the roadheader , the main frame " s driving forces are analysised . the calculating formulaes of the forces are reached . ( 5 ) the finite element analysis software ( ansys ) is applied to the analysis of the main frame
( 4 )模拟六种危险工况下的截割头受力，并将其转化到主机架，推导出主机架在这些工况下的受力计算公式。 |
| 7. | Outer dimension w1208 d600 h760 2068 , customized design , it helps you make full use of your room space , especially the arc shaped desk brings your room more colorful element , also sets of drawers , rack for host computer and keyboard , bookshelf including doors would be attached
外形尺寸： w1208 d600 h760 2068 ;合理利用空间，量身定做，圆弧形的线条美设计，为您的家居空间增添亮丽的色彩。可配置抽屉柜主机架键盘架书架可带掩门等 |
| 8. | The most danger place is discovered . the advices to improve the components structure are given on the basis of deform and stress distribution . ( 6 ) the modal analysis of the main frame is carried out . the method of centralized mass is made use of
( 5 )利用ansys软件对主机架进行建模，根据实际情况对各种工况施加荷载和约束条件，利用该软件的后处理程序，分析主机架上各点在各工况下的应力与变形，找出最危险点，从而对主机架结构进行改进。 |
| 9. | Outer dimension w1512 d1112 - 550 h760 2068 customized design , it helps you make full use of your room space , especially the arc shaped desk brings your room more colorful element , also sets of drawers , rack for host computer and keyboard , bookshelf including doors , drawer divider would be attached
外形尺寸： w1512 d1112 - 550 h760 2068 ;合理利用空间，量身定做，圆弧形的线条美设计，为您的家居空间增添亮丽的色彩。可配置抽屉柜主机架键盘架书架可带掩门格子架等 |
| 10. | The useful results are obtained through studying mechanical analysis for the main frame . the analysis include finite element analysis and engineering calculation . a series of theoretic criterions and calculate method to the detailed design of the main frame are given by finite element analysis
主机架是臂式掘进机的关键部件，本文通过理论分析和有限元工程计算对其主要力学特性进行研究，获得了有实用价值的成果，为铁路软岩隧道臂式掘进机总体结构特别是主机架的设计和制造提供了理论依据和设计计算方法。 |
