链式提升机的设计毕业设计论文.docx
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1、学号本科毕业论文(设计)链式提升机的设计院 部 名 称:信息与机电工程学院专业名称:机械设计制造及其自动化学生姓爸指导教师:2022年05月摘要随着科技的持续发展,交流传动得到了普遍的应用。计算机的运用正在快速普及。随着全球知识经济的到来,“创新”和“发展”逐渐成为世界各国关注的最主要内容。社会进步和国家发展离不开创新,电梯的发展也离不开创新。所以我们提出了一种新的升降机设计方法。本文简述了一种新型提升机的设计方法。通过对传统链式提升机结构的改进和优化,使其应用范围更广、更灵活,对今后的选择和设计具有一定的实用价值。现今,链式起重机正朝着长距离、高速、低摩擦的路径转变。在链式起重机的设计、制造
2、和应用方面,我国与国外先进水平还有相当大差距。我国链式起重机在设计和制造过程中存有许多不足。本实用新型用链条传动代替传统的皮带传动或钢丝绳传动,克服了非弹性滑动和打滑现象,确保了精确的平均传动比,提升了传动效率;在功率装置中,用变频电机代替恒速直流电机,使装置具有高效率的驱动性能和较好的控制特性;使用PLC控制,进一步提高了控制系统的稳定性。为了便于了解,本文还详述了链传动的优点、变频器的调速原理和PLC的优点。关键词:电路控制;提升机;控制系统;PLC;机电一体化IAbstractWith the continuous development of science and technolog
3、y, AC drive has beenwidely used- The use of computers is spreading rapidly. With the advent of globalknowledge economy, ninnovationn and development” have gradually become the mostimportant contents concerned by countries all over the world. Social progress andnational development are inseparable fr
4、om innovation, and the development of elevatoris also inseparable from innovation. Therefore, we propose a new elevator designmethod.This paper briefly describes the design method of a new type of hoist. Through theimprovement and optimization of the structure of the traditional chain hoist, itsappl
5、ication range is wider and more flexible, which has a certain practical value for theselection and design in the future.Nowadays, the chain crane is changing towards the path of long distance, highspeed and low friction. In the design, manufacture and application of chain crane, thereis still a cons
6、iderable gap between China and foreign advanced leveL There are manydeficiencies in the design and manufacturing of chain cranes in China.The utility model replaces the traditional belt transmission or steel wire ropetransmission with chain transmission, overcomes the phenomenon of inelastic sliding
7、and slipping, ensures the accurate average transmission ratio and improves thetransmission efficiency; In the power device, the variable frequency motor is used toreplace the constant speed DC motor, so that the device has high efficiency drivingperformance and good control characteristics; The stab
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