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压力缸作为一种常见的工程元件,被广泛应用在各类重型工程机械中,压力缸的启动冲击和换向冲击给主机带来了很大的压力冲击,对系统效率和安全有着巨大的影响,如何缓冲压力缸工作时的冲击力以保证系统的安全稳定运行至关重要。本文基于CPRS和DWPI数据库,通过检索、筛选、统计和分析国内外油缸缓冲专利申请文献,梳理了油缸缓冲技术发展状况,通过对专利申请的年度分布、地域分布、技术领域等方面信息的分析,归纳出重要申请人的研究方向。
Pressure cylinder as a common engineering component, is widely used in various types of heavy construction machinery, the cylinder start-up impact and commutation impact on the host has brought a lot of pressure on the impact of system efficiency and safety have a huge impact How to buffer the impact of the cylinder work to ensure the safe and stable operation of the system is essential. Based on the CPRS and DWPI database, this paper reviews and analyzes the application documents of the cylinder cushion patent at home and abroad based on the CPRS and DWPI database, combs the development of the cylinder cushion technology, analyzes the annual distribution, geographical distribution and technical fields of the patent application, Summarize the research direction of important applicants.