联源42米长履带式混凝土布料机布料臂架结构设�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="line-height:30px"><span style="color: rgb(255, 0, 0); font-size: 24px;"><strong><span style="color: rgb(255, 0, 0); font-family: 宋体;">42米长履带式混凝土布料机布料臂枵�/span></strong><strong><span style="color: rgb(255, 0, 0); font-family: 黑体;">结构设计</span></strong></span></p><p style="text-indent:32px;line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体;">设计原则９�/span></strong></span></p><p style="text-indent:32px;line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;">整个布料臂架属于大型悬臂结构，完全伸出时悬臂长度可以达到</span><span style="font-size: 16px; font-family: " times="" new="" color:="">42m</span><span style="font-size: 16px; font-family: 宋体; color: black;">，在进行结构设计时应除了考虑材料的刚度和强度因素外，应尽可能的减轻臂架自身的重量，当然材料的经济性也要考虑到。钢材选用的基本原则是：在结构满足安全需求，且工作可靠的前提下，节约钢材，降低成本。在选用钢材的过程中，应综合考虑各种因素</span><span style="font-size: 16px; font-family: " times="" new="" color:="">:</span><span style="font-size: 16px; font-family: 宋体; color: black;">比如市场供应情况、结构的重要性、荷载特征、连接方法、工作环境和钢材的厚度。在设计时应特别注意厚度大的钢材由于轧制的压缩比小，同厚度小的钢材相比，强度较差，而且塑性、冲击韧性和焊接性能也都较差，而且焊接结构对化学成分和机械性能要求也比较高、�/span></strong></span></p><p style="line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;"> 履带式混凝土布料机布料臂架主截面型式、尺寸及管材型号妁�/span><span style="font-family: 宋体; color: black;">布料臂架主截面型式、尺寸及管材型号</span><span style="font-size: 16px; font-family: 宋体; color: black;">所示、�/span></strong></span></p><p style="text-align:center;line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: Arial, sans-serif; color: black;"> </span></strong><strong><span style="font-size: 16px; font-family: Arial, sans-serif; color: black;"></span></strong></span></p><p style="text-align:center;line-height:21px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-family: 宋体; color: black;"> 布料臂架主截面型式、尺寸及管材型号</span></strong></span></p><p style="line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;">履带式布料机臂架选材如下９�/span></strong></span></p><p style="line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;">前臂型材９�/span></strong></span></p><p style="line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;"> 弦杆采用</span><span style="font-size: 16px; font-family: " times="" new="" color:="">80×80×6</span><span style="font-size: 16px; font-family: 宋体; color: black;">的冷拔无缝等壁厚方型钢管，材料为</span><span style="font-size: 16px; font-family: " times="" new="" color:="">390D</span><span style="font-size: 16px; font-family: 宋体; color: black;">（高强度低合金钢），屈服极限</span><span style="font-size: 16px; color: rgb(0, 112, 192);">390MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">。腹杆使�?/span><span style="font-size: 16px; font-family: " times="" new="" color:="">Φ48×5</span><span style="font-size: 16px; font-family: 宋体; color: black;">的无缝钢管，材料</span><span style="font-size: 16px; font-family: " times="" new="" color:="">45号钢</span><span style="font-size: 16px; font-family: 宋体; color: black;">，屈服极陏�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">335MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">。前臂头部支架采�?/span><span style="font-size: 16px; font-family: " times="" new="" color:="">70×50×6</span><span style="font-size: 16px; font-family: 宋体; color: black;">冷拔无缝等壁厚矩形钢管，材料</span><span style="font-size: 16px; font-family: " times="" new="" color:="">Q235D</span><span style="font-size: 16px; font-family: 宋体; color: black;">，屈服极陏�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">235MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">、�/span></strong></span></p><p style="line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;">中间臂型材：</span></strong></span></p><p style="line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;"> 弦杆采用</span><span style="font-size: 16px; font-family: " times="" new="" color:="">110×110×8</span><span style="font-size: 16px; font-family: 宋体; color: black;">冷拔无缝等壁厚方型钢管，材料丹�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">390D</span><span style="font-size: 16px; font-family: 宋体; color: black;">高强度低合金钢），屈服极陏�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">390MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">。腹杆用</span><span style="font-size: 16px; font-family: " times="" new="" color:="">Φ48×5</span><span style="font-size: 16px; font-family: 宋体; color: black;">（横向）咋�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">Φ60×7</span><span style="font-size: 16px; font-family: 宋体; color: black;">（竖向）的无缝钢管，材料</span><span style="font-size: 16px; font-family: " times="" new="" color:="">45号钢</span><span style="font-size: 16px; font-family: 宋体; color: black;">，屈服极陏�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">335MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">。加强板材料丹�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">Q345D</span><span style="font-size: 16px; font-family: 宋体; color: black;">，屈服极陏�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">345MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">、�/span></strong></span></p><p style="line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;">基础臂型材：</span></strong></span></p><p style="line-height:24px"><span style="color: rgb(112, 48, 160);"><strong><span style="font-size: 16px; font-family: 宋体; color: black;"> 弦杆采用</span><span style="font-size: 16px; font-family: " times="" new="" color:="">120×80×10</span><span style="font-size: 16px; font-family: 宋体; color: black;">的冷拔无缝等壁厚矩形钢管，材料为</span><span style="font-size: 16px; font-family: " times="" new="" color:="">Q390D</span><span style="font-size: 16px; font-family: 宋体; color: black;">（高强度低合金钢），屈服极限</span><span style="font-size: 16px; font-family: " times="" new="" color:="">390MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">。腹杆用</span><span style="font-size: 16px; font-family: " times="" new="" color:="">Φ48×5</span><span style="font-size: 16px; font-family: 宋体; color: black;">（横向）咋�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">Φ60×7</span><span style="font-size: 16px; font-family: 宋体; color: black;">（竖向）的无缝钢管，材料</span><span style="font-size: 16px; font-family: " times="" new="" color:="">45号钢</span><span style="font-size: 16px; font-family: 宋体; color: black;">，屈服极陏�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">335MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">。加强板材料丹�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">Q345D</span><span style="font-size: 16px; font-family: 宋体; color: black;">，屈服极陏�/span><span style="font-size: 16px; font-family: " times="" new="" color:="">345MPa</span><span style="font-size: 16px; font-family: 宋体; color: black;">、�/span></strong></span></p><p><span style="color: rgb(112, 48, 160);"><strong><span style="color: rgb(112, 48, 160); font-family: 宋体; text-indent: 32px;"> 由于整个臂架为悬臂结构，虽然基础臂有伸缩油缸和卷筒支架保证其平衡，但是钢材选用时还得考虑尽量减轻自重，以免受力分析时不能保证整个悬臂的稳定，而且设计时还得考虑保证刚度。目前大多数布料臂架的设计方案都是采用管材焊接构成的。弦杆都使用高强度方形钢管来满足支承、滑动方面的结构设计需要；腹杆使用圆型钢管；考虑到伸缩过程中托辊的运动，上弦平面内同样采用圆形钢管材料来作托辊横梁兼作水平腹杆、�/span></strong></span></p><p><br/></p><p><span style="color: rgb(112, 48, 160);"><strong><span style="color: rgb(112, 48, 160); font-family: 宋体; text-indent: 32px;"></span></strong></span></p><p></p><p></p><p></p><p></p><p></p><p><span style="color: rgb(112, 48, 160);"><strong><span style="color: rgb(112, 48, 160); font-family: 宋体; text-indent: 32px;"><br/></span></strong></span><br/></p><p><span style="color: rgb(112, 48, 160);"><strong><span style="color: rgb(112, 48, 160); 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