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电锤冲击气动系统的研究
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湖南省科技计划资助项目(2014GK3050);湖南省教育厅科学研究资助项目(15C0619);国家留学基金委地方合作资助项目(201308430462)。


Study on Pneumatic and Impact System of Electric Hammer
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    摘要:

    以市场上标称32 mm连杆式电锤作为研究实际对象,首先运用空气动力学知识建立电锤气动系统数学模型,并将数学模型代入到气动CAE仿真模型中获得撞锤理论运动数据,然后通过高速摄像和ProAnalyst高速分析软件获得实际的撞锤运动数据,从而验证CAE气动仿真模型理论数据的真实性,最后通过建立撞锤、撞杆和工作头的CAE冲击仿真模型,最终获得电锤输出端的冲击能量,且与市场标定能量相近,为旧产品的改进和新产品的开发提供了参考。

    Abstract:

    32 mmnominal connecting rod electric hammer was chosen as an research object. First a mathematical model of pneumatic system of electric hammer was established based on basic knowledge of kinematics and aerodynamics. Combining of the mathematical model and computer aided engineering (CAE) simulation model of pneumatic system of electric hammer, theoretical data of hammer motion were determined. And then the experimental data of hammer motion were acquired from high speed video and ProAnalyst analysis software, which indicated a good agreement with theoretical data. Finally, the impact energy of output end of electric hammer was obtained through building and analyzing CAE simulation model of impact system which includes hammer, anvil and bit. The finally obtained impact energy is also close to the nominal energy of electrical hammer on the market, which provides an important basis for old product improvement and new product development of electric hammer.

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谭华,胡广.电锤冲击气动系统的研究[J].机床与液压,2016,44(23):72-76.
. Study on Pneumatic and Impact System of Electric Hammer[J]. Machine Tool & Hydraulics,2016,44(23):72-76

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  • 在线发布日期: 2016-12-23
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