海洋绞车液压盘式刹车系统参数设计与仿真研究

发布时间：2018-08-01 13:29

【摘要】：液压盘式刹车装置是海洋绞车中非常重要的部件,其运行状态正常与否直接影响到海洋绞车和其拖行设备的安全。随着现代高新技术的飞速发展,现代化工业进程也日趋完善,我们对机械设备的要求也越来越高。盘式刹车装置存在目标控制波动大、响应滞后、制动力矩不足、闸盘污染等问题,对海洋绞车的正常工作运转造成了很大的影响。传统液压盘式刹车装置已无法满足在海洋绞车上的应用。因此,本文通过对海洋绞车液压盘式制动装置结构类型选型优化,并对其各组成部分进行参数计算,再用仿真软件对其四种工况进行仿真分析,结合海洋绞车液压盘式刹车系统实验做对比分析,以期验证该优化设计的可行性。其主要内容主要如下:(1)海洋绞车液压盘式刹车装置基本原理及设计要求。根据海洋绞车液压盘式刹车装置基本原理及海洋绞车制动装置应具有制动力矩储备、制动减速度域值、制动装置的安全储备、制动闸动作灵敏性、分级制动系统等设计要求,探讨海洋绞车盘式刹车装置的结构式样及其工作原理。(2)海洋绞车盘式刹车装置参数计算及优化。通过对海洋绞车盘式刹车装置制动力矩、碟形弹簧、液压缸、制动盘等的计算,建立海洋绞车盘式刹车装置数学模型,确定了最佳参数模型。(3)海洋绞车盘式刹车系统仿真研究。通过对海洋绞车盘式刹车系统工作原理的分析,设计海洋绞车盘式刹车装置的液压系统,将盘式制动装置简化为带有弹簧的液压缸力学模型,依据该模型建立盘式制动装置在AMESim中的仿真模型,使用AMESim软件,对各种工况下的制动装置进行模拟,得到各个工况下的液压缸内油压、制动正压力、活塞位移的变化曲线,将已经建立好的海洋绞车盘式制动装置的Solidworks模型导入到ADAMS仿真软件中,得到其角位移与时间以及角速度与时间的变化曲线,分析其制动性能。(4)海洋绞车液压盘式刹车模型的试验分析。通过建立海洋绞车液压盘式刹车实验系统,分别得到液压缸内油压压力变化曲线。对比分析海洋绞车盘式刹车系统实验所得到的油压变化曲线与仿真所得到的油压变化曲线。
[Abstract]:The hydraulic disc brake device is a very important component in the offshore winch, and its normal operation directly affects the safety of the marine winch and its towing equipment. With the rapid development of modern high technology, the process of modern industry is becoming more and more perfect. There are many problems in the disc brake device, such as large fluctuation of target control, lag of response, insufficient braking torque, pollution of brake disc, etc., which have a great influence on the normal operation of offshore winch. The traditional hydraulic disc brake device can not meet the application in the ocean winch. Therefore, by optimizing the type selection of the structure of the hydraulic disc brake device of the offshore winch, and calculating the parameters of each component, the paper uses the simulation software to simulate and analyze its four working conditions. In order to verify the feasibility of the optimal design, a comparative analysis is made on the hydraulic disc brake system of the offshore winch. The main contents are as follows: (1) the basic principle and design requirements of hydraulic disc brake device of offshore winch. According to the basic principle of the hydraulic disc brake device of the offshore winch and the design requirements of the brake device of the offshore winch, such as the reserve of braking torque, the value of braking deceleration range, the safety reserve of braking device, the sensitivity of brake action, the step braking system, etc. This paper discusses the structural pattern and working principle of the disc brake device of the offshore winch. (2) the calculation and optimization of the parameters of the disc brake device of the offshore winch. Through the calculation of braking torque, disc spring, hydraulic cylinder and brake disc of the disc brake device of the offshore winch, the mathematical model of the disc brake device of the offshore winch is established, and the optimum parameter model is determined. (3) the simulation study on the disc brake system of the offshore winch is carried out. Based on the analysis of the working principle of the disc brake system of the offshore winch, the hydraulic system of the disc brake device of the offshore winch is designed, and the disc brake device is simplified into a mechanical model of the hydraulic cylinder with spring. According to this model, the simulation model of disc brake device in AMESim is established, and the brake device under various working conditions is simulated by using AMESim software. The variation curves of oil pressure, positive brake pressure and piston displacement in hydraulic cylinder under various working conditions are obtained. The established Solidworks model of the disc brake device of the offshore winch is imported into the ADAMS simulation software, and the curves of angular displacement and time, angular velocity and time are obtained. The braking performance is analyzed. (4) the test analysis of hydraulic disc brake model of offshore winch. The hydraulic pressure variation curves of the hydraulic cylinder were obtained by establishing the hydraulic disc brake system of the offshore winch. The oil pressure variation curve obtained from the experiment of ocean winch disc brake system and the oil pressure change curve obtained by simulation are compared and analyzed.
【学位授予单位】：湖南科技大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：P715.1

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