CN202110103U - 电液伺服车载式混填土压实度快速测定系统 - Google Patents
电液伺服车载式混填土压实度快速测定系统 Download PDFInfo
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Abstract
本实用新型涉及一种电液伺服车载式混填土压实度快速测定系统，包括电液伺服加卸载系统、测控部分以及控制处理部分，电液伺服加卸载系统由伺服油源，加载油缸、运转油缸及管路等组成，测控部分由多通道闭环测控仪、位移和压力传感器组成。其中，电液伺服加卸载系统中的加载油缸与卸载油缸装在车厢底下，通过油管连接；压力传感器装在加载油缸一头，位移传感器装在加载油缸支架上，随油缸加载，压力传感器以及位移传感器在末端同测控仪表相联。本实用新型具有测定速度快、自动化程度高、操作简便等诸多优点，适于推广使用。
Description
技术领域
本实用新型涉及路面检测系统，具体为一种用于测定公路混填土压实度，考核经压实后的混填土路基压实状况的电液伺服车载式混填土压实度快速测定系统。
背景技术
目前，国内公路、铁路、水电工程中测定路基压实度的办法，往往采用核子法、灌砂法和烘干法。但对于参有碎石的路基，只有灌砂法勉强可用。但此法速度慢、工作效率低、不适合现代交通、水利工程中施工的要求。
实用新型内容
本实用新型所解决的技术问题在于提供一种电液伺服车载式混填土压实度快速测定系统，用以解决上述背景技术中的问题。
本实用新型所解决的技术问题采用以下技术方案来实现：
电液伺服车载式混填土压实度快速测定系统，可直接加载于载重货车上，具体包括：电液伺服加卸载系统、测控部分以及控制处理部分，其中，电液伺服加卸载系统由伺服油源，加载油缸、运转油缸及管路等组成，测控部分由多通道闭环测控仪、位移和压力传感器组成；电液伺服加卸载系统分两部分：加载油缸与卸载油缸装在车厢底下，通过油管连接；压力传感器装在加载油缸一头，位移传感器装在加载油缸支架上，随油缸加载；压力传感器以及位移传感器在末端同测控仪表相联。所述电液伺服加卸载机构中，卸载油缸为可升降式，并可在平面内翻转，在加载油缸工作完毕后，可以将加载油缸拉到与车厢底平行的位置，以保证在汽车行走时没有阻碍；所述测控部分中闭环测控仪能对作用力以及位移进行闭环控制（带反馈），从而实现在加载时需要保持恒力、恒速的要求，确保试验的准确性。
在本实用新型中，电源采用外接发电机供电，发电机可置于车厢内，伺服油源、测控系统及笔记本电脑均由发电机供电。
本实用新型采用负荷传感器测压力，容栅式数字位移传感器测加载油缸贯入土中深度，闭环测控仪采集压力、位移信号输到便携式微机中，由数据处理软件进行处理后，再依试验程序和要求发布指令给伺服加载系统，从而实现整个试验过程的自动化。
有益效果：本实用新型精度高、稳定性好、故障率底、维修方便，且能更加直观得出相关测试数据。
附图说明
图1为本实用新型较佳实施例的总装图。
图2为本实用新型较佳实施例的细节图。
具体实施方式
为了使本实用新型实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本实用新型。
参见图1、图2的电液伺服车载式混填土压实度快速测定系统的较佳实施例中，系统在载重10吨的标准货车1的底部进行加载，组成部分中，电液伺服加载系统由加载油缸3、卸载油缸4与伺服油源5组成；测控部分包括压力传感器8以及位移传感器9；而控制端7设在标准货车1的驾驶舱中；伺服油源5安装在标准车厢底下一个专门的定位机构内，通过油管与加载油缸3卸载油缸4相联，加载油缸3与卸载油缸4通过螺栓与车厢底下专门定做的大梁11相联，压力传感器8装在加载油缸活塞头部承担测力任务，位移传感器9装在活塞头部的一个夹具12上，承担测试活塞杠贯入地面的深度。
本实施例中在使用时：先启动标准货车1沿选定的公路前进，遇到要测试的地方停车，装有控制和数据处理软件的控制端7向控制系统发出指令，将电液伺服加载系统中加载油缸3自动卸下，转到垂直于地面方向并与地面接触，作好加载准备。
然后，压力传感器8以及位移传感器9随加载油缸3调整到位，准备好之后，控制端7发出指令进行试验，压力传感器8以及位移传感器9测出油缸贯入压力和深度，通过测控仪表输入到控制端7中，由软件依照标定曲线计算出路面压实度。
该点测试完毕，控制端7发出指令，加载油缸3在卸载油缸4牵引下回到水平位置，标准货车1前行，进行下一个点的试验工作。
以上显示和描述了本实用新型的基本原理、主要特征和本实用新型的优点。本行业的技术人员应该了解，本实用新型不受上述实施例的限制，上述实施例和说明书中描述的只是说明本实用新型的原理，在不脱离本实用新型精神和范围的前提下，本实用新型还会有各种变化和改进，这些变化和改进都落入要求保护的本实用新型范围内。本实用新型要求保护范围由所附的权利要求书及其等效物界定。
Claims (2)
1.电液伺服车载式混填土压实度快速测定系统，包括电液伺服加卸载系统、测控部分以及控制处理部分，其特征在于，电液伺服加卸载系统由伺服油源，加载油缸、运转油缸及管路等组成，测控部分由多通道闭环测控仪、位移和压力传感器组成；电液伺服加卸载系统分两部分：加载油缸与卸载油缸装在车厢底下，通过油管连接；压力传感器装在加载油缸一头，位移传感器装在加载油缸支架上，可随油缸加载，压力传感器以及位移传感器在末端同测控仪表相联。
2.根据权利要求1所述的电液伺服车载式混填土压实度快速测定系统，其特征在于，电液伺服加卸载机构中，卸载油缸为可升降式，并可在平面内翻转。
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2011
- 2011-05-14 CN CN2011201529090U patent/CN202110103U/zh not_active Expired - Fee Related
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