振动冲击组合式压实实验机设计+CAD图纸
时间:2017-06-03 08:51 来源:毕业论文 作者:毕业论文 点击:次
| 摘要：振动压路机是一种高效的压实机械，广泛应用于道路建设施工中。对国内外压实机械发展史的研究，把握压实技术和压实机械的发展趋势及最新动态，为冲击振动压路机的提出提供了依据。 我国压路机，整体技术水平与国外相比仍有差距，主要表现在：产品型号不全、重型和超重型压路机生产数量和品种仍然较少、专用压实设备缺乏、综合技术经济指标和自动控制方面仍低于国外先进水平。9579 本论文在理论分析和计算的基础上，完成了振动冲击组合式压实试验机的总体和传动系统、振动轮总成、冲击系统等主要部件的设计。对于普通手扶式振动压路机，其在方案、结构和设计方法上进行了部分改动：采用电动机的传动方案，通过v带带动皮带轮的转动实现振动和冲击双重压实，与普通手扶式振动压路机相比在压实效果、质量分配、操作控制和整体布局方面具备更大优势。行驶结构采用机器牵引车架向前行驶。激振器设计成振动轴加一个固定的偏心块的形式，结构简单，成本低。冲击装置采用蛙式打夯机的原理，在冲击轴的中间固定一个偏心块，偏心块的转动带动夯板的上下移动，夯实地面。减振系统采用橡胶减振器，使压路机的行驶更平稳。 本课题提出的振动冲击组合式压实实验机，结合了振动压路机和蛙式打夯机两种机器的优点，提高机器对土壤的压实效果和压实深度，同时克服蛙式打夯机冲击压实后路基的不均匀性，提高道路工程的经济效益和社会效益。 关键词：手扶式振动压路机；蛙式打夯机；带传动；激振力；冲击 Combined Shock And Vibration Compaction Tester Abstract:Vibratory compaction is an efficient machine, widely used in the construction of road construction. The development of domestic and foreign research into the history compacting machinery, take compaction and compaction machinery ethnology trends and latest developments and provides a basis for the proposed impact vibratory roller . China road roller, the overall technological level compared with foreign countries there are still gaps, mainly in: Model insufficiency, heavy and extra heavy-duty roller number and variety of production is still small, specialized compaction equipment, lack of comprehensive technical and economic indicators and automatic control is still lower than the advanced level. On the basis of theoretical analysis and calculation , the completion of the design of the main components of the shock and vibration modular compaction testing machine overall and driveline vibration of the wheel assembly , impact system.For ordinary walk-behind vibratory rollers , some changes in the program , structure and design methods:Motor drive solutions v belt drive pulley rotation dual vibration and shock compaction have greater advantages , compared with the ordinary walk-behind vibratory roller compaction effect , weight distribution, operation control and the overall layout .The traveling structure using the the machine tractor frame moving forward . The form of the axis of vibration is to add a fixed eccentric weight exciter design , simple structure and low cost.The impact device breaststroke ramming machine principle , in the impact shaft in the middle of fixed eccentric , eccentric driven rotation of the ram plate moves up and down , solid ground . Rubber shock absorber damping system , so that the roller driving more smoothly . The subject of shock and vibration combined compaction testing machine , combined with the advantages of a vibratory roller and the breaststroke Fulling two machines to improve machine effect of soil compaction and compaction depth , while overcoming the impact of the breaststroke Fulling the compacted subgrade uneven road works to improve the economic and social benefits . (责任编辑：qin) |