平单轴光伏跟踪支架多点驱动回转减速器性能测试分析  

Test and Analysis of Performance of Flat Single-axis Photovoltaic Tracking Bracket Multi-point Drive Rotary Reducers

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作  者:马涛 李威 陈雪辉 高婷 李伟 唐兴 Ma Tao;Li Wei;Chen Xuehui;Gao Ting;Li Wei;Tang Xing(Hefei Bolin Advanced Materials Co.,Ltd.,Hefei 230601,China;School of Mechanical and Electrical Engineering,Anhui Jianzhu University,Hefei 230601,China;Anhui Province Key Laboratory of Critical Friction Pair for Advanced Equipment,Hefei 230601,China)

机构地区:[1]合肥波林新材料股份有限公司,安徽合肥230601 [2]安徽建筑大学机械与电气工程学院,安徽合肥230601 [3]高端装备关键摩擦副安徽省重点实验室,安徽合肥230601

出  处:《机械传动》2024年第12期131-138,共8页Journal of Mechanical Transmission

基  金:合肥市自然科学基金项目(202317);国家开发投资集团有限公司科技项目(SDIC2023-03);安徽省高校省级自然科学研究重点项目(2022AH050257);安徽建筑大学引进人才及博士启动基金项目(2019QDZ46)。

摘  要:工程中亟须一种新型回转减速器,用来改善平单轴光伏跟踪支架单点驱动作业效率低下的问题,以适应复杂环境和降低成本。为此,设计了一种圆柱蜗杆-斜齿轮-环面蜗杆多点驱动回转减速器,并进行了性能测试分析。首先,对多点驱动回转减速器安装位置及传动机制对比单点驱动进行分析比较;其次,利用Romax软件对回转减速器在额定输出转矩和倾覆力矩下的性能进行数值模拟,并搭建回转减速器综合性能测试平台,测试了样机在额定输出转矩及倾覆力矩下的传动性能。结果表明,多点驱动相比单点驱动可承受更大荷载,跟踪支架整体稳定性较强;额定输出转矩值越大,蜗杆应力值越大;倾覆力矩下二级传动机构整体应力值及变形满足实际工况需求;试验测试减速器内部未造成明显破坏,仿真与试验结果较吻合。该回转减速器设计满足平单轴光伏跟踪支架在恶劣工况下的实际工作特点,可为光伏电站提高光电转换效率建设提供参考与支撑。A new type of rotary reducer is urgently needed in engineering to improve the low efficiency of single point drive operation for flat single axis photovoltaic tracking brackets,in order to adapt to complex environments and reduce costs.For this purpose,a cylindrical worm helical gear toroidal worm multi-point drive rotary reducer was designed,and performance testing and analysis were conducted.Firstly,the installation position and transmission mechanism of the multi-point drive rotary reducer were analyzed and compared with that of the single point drive.Secondly,the performance of the rotary reducer under rated output torque and overturning torque was numerically simulated using Romax software,and a comprehensive performance testing platform for the rotary reducer was built to test the transmission performance of the prototype under rated output torque and overturning torque.The results show that multi-point drive can withstand larger loads compared to single point drive,and the overall stability of the tracking bracket is stronger;the larger the rated output torque value,the greater the stress value of the worm gear;the overall stress value and deformation of the secondary transmission mechanism under the overturning torque meet the actual working condition requirements;the test does not cause significant damage inside the reducer,and the simulation and test results are in good agreement.The design of the rotary reducer meets the practical working characteristics of the flat single axis photovoltaic tracking bracket under harsh working conditions,and can provide theoretical reference and support for improving the photovoltaic conversion efficiency construction of photovoltaic power stations.

关 键 词:跟踪支架 多点驱动 回转减速器 传动性能 恶劣工况 

分 类 号:TM615[电气工程—电力系统及自动化]

 

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