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Posted 2023-02-21

汽车制动性能的检验是机动车安全技术检验的重要内容之一。汽车制动性能的好坏直接关系到人们的生命安全。随着我国汽车工业的快速增长，汽车的安全性能越来越受到人们的关注，汽车制动性能的检验技术也在快速发展中。因此，很有必要研究出快捷、准确地检测汽车制动性能的方法和工具。作为汽车制动性能检验的典型试验台，反力式滚筒制动试验台结构筒单，测试方便，耗电小，使用成本低，在国内国外均被广泛采用。本论文的内容就是对反力式滚筒制动试验台进行研究和机械传动设计。
首先，在搜集了国内外有关于反力式滚筒制动试验台的资料后，比较了各种检测方法的特点，分析了评价汽车性能的指标及国家标准，提出检测汽车制动性能的方法。其次，对汽车在制动试验台上的受力情况进行了分析，提出检测汽车制动性能的原理，分析了影响制动性能检测的因素并计算出反力式滚筒制动试验台的主要参数。再次，对汽车制动试验台总体结构进行了分析，确定总体方案。通过机械传动设计计算，选择试验台电机、减速器等主要零部件，提出选择试验台滚筒表面材料的方法，并计算出滚筒的尺寸。最后，在设计完成后，通过受力分析和弯扭矩的计算，对滚筒轴进行了校核，对链传动中的链板通过ansys进行了有限元的分析。
本论文的设计过程和计算结果能为今后有关如何改进结构，采用更合理的力学参数提供借鉴，以提高反力式滚筒制动试验台的传动效率及零部件的强度，延长其使用寿命。

Automotive Brake Performance testing is the technical inspection of motor vehicles safety one of the important contents. Vehicle braking performance will have a direct bearing on people's lives and safety. With China's automobile industry, the rapid growth of vehicle safety performance are attracting increasing attention. Automotive Brake Performance testing technology is rapidly developing. Therefore, it is necessary to find out quickly and accurately detect vehicle braking performance of methods and tools. As a vehicle braking performance test of a typical test, anti-edge drum-brake test tube structure alone, testing convenience, the power consumption of small, the use of low-cost, in both domestic and foreign are widely used. This paper is the content of the anti-edge drum-brake test bed for research and mechanical drive design. First of all, at home and abroad gathered on the anti-edge drum-brake test information, comparison of the characteristics of the detection method, Analysis of the Automotive Performance Evaluation indicators and national standards, vehicle braking performance detection methods. Secondly, the test vehicle braking force on the stage of the analysis, detection vehicle braking performance of principle, Analysis of the impact of braking performance testing and the factors calculated anti-edge drum-brake test of the main parameters. Again, the automobile brake test the overall structure of the analysis, the overall program. Drive through mechanical design, choice test motor, reducer, and other major components, the selection of test materials to the drum surface, and calculate the size of drum. Finally, the design is completed, the analysis of force and the bending torque, axis of the drum check, on the chain drive chain plate ansys conducted by the finite element analysis. In this paper the design process and the results of the calculation for the future on how to improve the structure, more reasonable mechanical parameters for reference, to improve anti-edge drum-brake test the transmission efficiency and strength components, to extend its useful life. 参考技术A The test of performance is one of the important contents that the safe practice of motor vehicle examines that the car applies the brake. The car applies the brake the quality of performance concerns people's life security directly. With the fast growth of the auto industry of our country, the security performance of the car is paid close attention to more and more by people, the test technology of performance is in the fast development too that the car applies the brake. So, it is very necessary to work out and measure the car and apply the brake method and tool of performance swiftly, accurately. Apply the brake model experimental platform that performance examine as car, cylinder apply the brake experimental platform structural tube form against strength type, it is convenient to test, with low power consumption, it is with low costs to use, is adopted both at home and abroad extensively. The content of this thesis is to design research and mechanical drive in the experimental platform to applying the brake against the strength type cylinder.
First of all, after collecting and having materials which tests the platform about applying the brake against the strength type cylinder both at home and abroad, characteristics of different detection more methods, analyze and appraise the index of the car performance and national standard, method to put forward performance of measuring the car and applying the brake. Secondly, to analyzing by the strength situation in applying the brake to test the platform of car, put forward, measure car principle to apply the brake performance, analyze, influence, apply the brake factor that performance measure and calculate cylinder apply the brake main parameter to test platform against strength type. Moreover, have applied the brake and tested a ensemble architecture and analyzed to the car, confirm the overall scheme. Design calculating through mechanical drive, choose to test main spare parts such as an electrical machinery, decelerator,etc., put forward and choose to test a cylinder surface material method, calculate the size of the cylinder. Finally, in design finish, through analyze strength and curved calculation of torsion, having checked the roller spindle, the chain plate while transmitting to the chain, through the analysis that ansys has carried on the finite element.
How can for being relevant design process of this thesis and result of calculation improve the structure, adopt more rational mechanics parameter to offer reference, in order to improve and apply the brake against the strength type cylinder transmission efficiency and intensity of the spare part which tests one, lengthen its service life. 参考技术B The automobile braking quality examination is one of vehicle safety work examination important contents.The automobile braking quality quality relates people's safety directly.Along with our country automobile industry fast growth, the automobile safety performance more and more receives people's attention, the automobile braking quality examination technology also in the fast development.Therefore, has the necessity to study very much examines the automobile braking quality quickly, accurately the method and the tool.

First, in collected domestic and foreign had after the reaction type drum brake test platform material, compared with each kind of examination method characteristic, has analyzed the appraisal automobile performance target and the national standards, proposed the examination automobile braking quality method.Next, has carried on the analysis to the automobile in brake test platform stress situation, proposed the examination automobile braking quality principle, has analyzed the influence braking quality examination factor and calculates the reaction type drum brake test platform the main parameter. 参考技术C 哇~你们的英语真棒啊.赞美一下