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发货期限: 自买家付款之日起 7 天内发货 | 所在地: 河北 沧州市 |
有效期至: 长期有效 | 品牌:睿博联 |
详情介绍
5.4m路面弯沉仪 贝克曼梁弯沉仪 贝克曼梁路面弯沉仪 弯沉仪 贝克曼梁折叠式路面弯沉仪 贝克曼梁路面弯沉仪
mso-hansi-font-family:"Times New Roman"">一、产品简介:
mso-hansi-font-family:"Times New Roman"">路面弯沉仪适用于测定净土加载时或以非常慢的速度加载时路面弹性弯沉值, mso-hansi-font-family:"Times New Roman"">能良好的反映出路面的总体强度。仪器具有结构简单,使用方便,灵敏度高,结构紧固轻便等特点。不受天气、风力、日照等客观条件等影响。
mso-hansi-font-family:"Times New Roman"">二、路面弯沉仪技术参数:
1 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、总长:3600mm mso-hansi-font-family:"Times New Roman"">;5400mm "Times New Roman"">;7200mm
2 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、杠杆比:2:1
3 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、支点至前测点长:2400mm
4 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、刚度:以轴孔中心为支点,在距支点1200mm mso-hansi-font-family:"Times New Roman"">处加载200g "Times New Roman"">,其挠度不大于0.05mm
mso-hansi-font-family:"Times New Roman"">三、测定方法:
1 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、将仪器杠杆前后连接成一体,按要求检查好。
2 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、载重汽车一辆,后桥单轴需按规定标定,用以路面加载,气胎压力也按规定调好。
3 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、热电阻测计一支~ mso-hansi-font-family:"Times New Roman"">精度℃ "Times New Roman"">,用以测定路面温度(因弯沉值随温度变化)。
4 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、指挥交通用的红旗三面,小铁棒三根700~300mm "Times New Roman";mso-hansi-font-family:"Times New Roman"">,直径20
mso-hansi-font-family:"Times New Roman"">四、路面弯沉仪准备工作:
1 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、检查并保持测定用标准车的车况及刹车性能良好,轮胎内胎符合规定充气压力。
2 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、向汽车车槽中装载( mso-hansi-font-family:"Times New Roman"">铁块或集料) "Times New Roman"">,并用地中衡测量后轴总质量,符合要求的轴重规定,汽车行驶及测定过程中,轴重不得变化。
3 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、用新的复写纸测定轮胎接地面积。
4 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、检查弯沉仪百分表测量灵敏情况。
mso-hansi-font-family:"Times New Roman"">五、主要结构:
mso-hansi-font-family:"Times New Roman"">路面弯沉仪主要由前杠杆,后杠杆、底座,百分表、支架等主要部分组成。使用前杠杆、后杠杆用四只M12 mso-hansi-font-family:"Times New Roman"">螺栓连接,不用时将螺栓卸下,前后杠杆分开装入箱内。后杠杆与支架座相连,杠杆与底座之间采用向心球轴承连接,克服了以住采用散弹子轴承结构不稳定、灵活性差等缺点,并加有防尘盖,防止了灰尘和雨水的浸入,加有足够的润滑油脂,底座上装有调平螺丝和水平装置,调整方便。百分表支架上有一表夹,可根据测量时的高度进行调整,每台仪器上配0--10 mso-hansi-font-family:"Times New Roman"">毫米一级精度百分表一只。
mso-hansi-font-family:"Times New Roman"">六、路面弯沉仪操作规程:
1 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、将仪器擦净。
2 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、测定选好后,将测定的汽车后轴双轮间隙中心距测点不超过10 mso-hansi-font-family:"Times New Roman"">厘米处。
3 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、将百分表装在百分表之架上,然后弯沉仪移至路面上,使其测端恰好在双轮胎间隙的中心处(垂直于车轴中心点),并调水平,用表夹及百分表支架的调平螺丝将百分表读数调至5 mso-hansi-font-family:"Times New Roman"">毫米左右,使指针指零,表的触头抵住测点螺钉中心,并记录其读数B1.
4 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、汽车向前开动,使其后轮在影响半径以外,一般距测定5 mso-hansi-font-family:"Times New Roman"">米左右,此时百分表走动,待百分表读数稳定后(每分钟变得小于0.01mm mso-hansi-font-family:"Times New Roman"">),记录读数 C1 "Times New Roman"">。
5 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、用热敏点温计测出并记录下路面的温度t mso-hansi-font-family:"Times New Roman"">。
6 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、将测定结果,记录于下式中。
7 mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、根据记录下的读数,计算路面弹性弯沉值。
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