外文翻译-新型四驱健身车的研制

1、附录附录A英文原文Development of a new type of four drive body building car1 IntroductionSince the middle of the 1980s, with the continuous improvement of the quality of life, Chinas fitness equipment industry has begun to develop rapidly. The successful hosting of the Beijing Olympic Games provides favorabl

2、e conditions for the development of the fitness equipment industry in China. Chinas fitness equipment industry has begun to pay attention to the technical content and innovation of the products. This has led to a general improvement in the quality of the products. But at the same time, foreign fitne

3、ss equipment enterprises began to target the Chinese market, and entered the Chinese market with the opportunity of Olympic investment, and seized the 1 of Chinas fitness equipment market with their high quality products and positive and feasible marketing plan. In the competition with foreign fitne

4、ss equipment enterprises, domestic brands have exposed the lack of product R & D, technical innovation ability and technical content. Therefore, it is urgent to increase the scientific and technological innovation of fitness equipment, improve product quality, enhance the capability of independent r

5、esearch and development, make our products integrate with the international market and win a place in the fitness equipment market.Since the middle of the 1980s, with the continuous improvement of the quality of life, Chinas fitness equipment industry has begun to develop rapidly. The successful hos

6、ting of the Beijing Olympic Games provides favorable conditions for the development of the fitness equipment industry in China. Chinas fitness equipment industry has begun to pay attention to the technical content and innovation of the products. This has led to a general improvement in the quality o

7、f the products. But at the same time, foreign fitness equipment enterprises began to target the Chinese market, and entered the Chinese market with the opportunity of Olympic investment, and seized the 1 of Chinas fitness equipment market with their high quality products and positive and feasible ma

8、rketing plan. In the competition with foreign fitness equipment enterprises, domestic brands have exposed the lack of product R & D, technical innovation ability and technical content. Therefore, it is urgent to increase the scientific and technological innovation of fitness equipment, improve produ

9、ct quality, enhance the capability of independent research and development, make our products integrate with the international market and win a place in the fitness equipment market.2 wheel drive discrete principle and designThe 4WD car uses a fitness principle respectively to drive the hands and fe

10、et, so that each input can not affect the other driving conditions, independent drive shaft rotation, so that the rider can according to personal preferences, exercise to exercise different attitude, realize the stair tread and leopard running, different movement of breaststroke.Figure 1 vertical ex

11、ercycles Figure 2 horizontal body-building vehicle Figure 3 hand body-building vehicleThe two - hand double - foot drive device mainly uses the transcendental function of the overrunning clutch. The four sets of independent driving devices have replaced the pastThe single drive device of the fitness

12、 car drives the driven elements of the resistance system.Overrunning clutch is a special mechanical clutch. In mechanical transmission, it can be automatically combined or separated according to the change of relative speed or direction of rotation of main and driven parts. The driving element can o

13、nly rotate the driven element from a single direction. If the driver changes the direction (as clockwise to clockwise), the driven element is automatically detached and does not produce any power transfer function.The 4WD car uses a fitness principle respectively to drive the hands and feet, so that

14、 each input can not affect the other driving conditions, independent drive shaft rotation, so that the rider can according to personal preferences, exercise to exercise different attitude, realize the stair tread and leopard running, different movement of breaststroke.Figure 1 vertical exercycles Fi

15、gure 2 horizontal body-building vehicle Figure 3 hand body-building vehicleTwoThe two - hand double - foot drive device mainly uses the transcendental function of the overrunning clutch. The four sets of independent driving devices have replaced the pastThe single drive device of the fitness car dri

16、ves the driven elements of the resistance system.Overrunning clutch is a special mechanical clutch. In mechanical transmission, it can be automatically combined or separated according to the change of relative speed or direction of rotation of main and driven parts. The driving element can only rota

17、te the driven element from a single direction. If the driver changes the direction (as clockwise to clockwise), the driven element is automatically detached and does not produce any power transfer function.Because both hands and feet can independently drive the body building vehicle, riders can make

18、 many kinds of actions that can not be achieved on the ordinary fitness car, such as alternating riding, bionic running and stair climbing, and can ride alternately alternately. This relaxation exercise can make the rider get aerobic (cardiovascular) and anaerobic (strength training).Its most distin

19、ctive feature is the function of bionic running. Different from the usual fitness bicycle pedaling alternate feet movement, bionic running function is modeled on the horse, leopard, tiger and other animal when running the limbs pedal posture, feet pedaling vigorously in the hands forward at the same

20、 time, vigorously shaken, so that movement full body stretch. This posture can not only maximize the potential of the human body, but also make the muscles and muscles of the arms, legs, lumbar muscles and abdominal muscles evenly balanced, and enable the exercisers to feel the free running mood. In

21、 conjunction with the virtual reality scene and the sound system, we can create a free - running state in the natural world.3.The design of 3 composite resistance systemThe resistance system of the fitness car can be divided into two types: contact type and non - contact type according to the contac

22、t mode. The contact resistance system uses friction force to control the resistance, not only the noise is relatively large, but also the friction medium wear is serious. Generally, it is only used for the low end fitness car. The non contact resistance system mainly refers to the mode of magnetic r

23、esistance. The resistance system is mainly based on the electromagnetic induction principle and the eddy current principle of metal. 3 transforms the kinetic energy into the heat generated by the eddy current inside the metal, resulting in resistance. Because of its advantages of no wear and low noi

24、se, the non-contact resistance system is popular in some high-end fitness cars. This four-wheel drive body car also adopts this magnetic control resistance system.Analysis of 3.1 4WD car resistance fitnessFor a general fitness car, in a pedal cycle, the position of the crank can be divided into 4 in

25、tervals (Figure 6) 4-6. When riding normally, one side pedaling and driving, and the other side does not produce a driving effect.Among the three factors affecting the resistance size of a four drive car, the level of the basic resistance is determined by the rider. The driving force fluctuation cau

26、sed by the change of motion mode can be measured by measuring the speed of the flywheel. When the low speed state, the system resistance is reduced, so that the rider can easily start; flywheel speed is high, increasing the resistance of the system, to prevent the occurrence of the phenomenon of ta.

27、 The two adjustments do not require high real-time performance. After that, sensors can collect speed and integrate with basic resistance. Finally, output is the method of steering angle.We have to make a real time adjustment for the fluctuation of the periodic tread. The area of the crank is tracke

28、d and the resistance is adjusted at the same time. When the crank is located in the II area, we can think that the rider is in the trampling. Accordingly, when the crank is located in the IV area, we can think that the rider is taking a pull. The I area and the III area are over regions. The cam mec

29、hanism that rotates synchronously with the crank can adjust the size of the resistance in real time while tracking the position of the crank accurately, such as Figure 7.4. For engineering design 4 fitness car agency.Human engineering is a subject that studies the interaction between people, machine

30、ry and their working environment. The subject in its own development process, gradually breaking the boundaries between the various disciplines, and combines the related theories, constantly improve the basic concept, its theoretical system, research methods and technical standards and norms, thus f

31、orming a research and applications are extremely comprehensive edge a wide range of subjects 7. Therefore, it has the characteristics of modern emerging disciplines, and has become an indispensable tool for all engineers and technicians. It is also an important means to achieve the goal of industria

32、l design.All human activities are achieved through the motion system of the human skeleton, joints and skeletal muscles. The range of motion, speed, accuracy of manipulation and the ability to exert force are different in different parts of the body. And as far as the same force is concerned, the sp

33、eed, size and accuracy of different directions are not the same. The speed, size and accuracy will change as the duration changes. The scale of human body, the range of limb movement and the angle of limb movement are determined by human factors engineering, and the size and relative position of all

34、 parts of the body building vehicle are determined, so that humans physical strength is most effectively displayed. Therefore, it is necessary to make full use of human engineering design in the design of the fitness vehicle.The design of the treadle crank can refer to the pedal crank structure of t

35、he bicycle. As we all know, when a man is riding a bicycle, a treadmill crankA week of exercise, the equivalent of a person in the natural state of a step down a step of 8. The so-called ergonomics, is to make people in the operation of the state of the most close to the natural state. Thus, it can

36、be concluded that the ideal length of the motion diameter of the crank is equal to the walking length of a man in a natural state. Chinese adults in the state of nature walks down is about 300 400mm. Therefore, the range of the length of the crank is in the range ofFrom 150 to 200mm, the intermediat

37、e value is 170mm.At the same time, both hands can carry on 360 degrees of rotation. Therefore, the design of the crank length should be carried out in the hand part. The pedal crank according to the step design in the natural state, and at the same time in the hands and feet are imitations of animal

38、 movement when running posture, so the length of crank and pedal crank length should be consistent, so as to achieve the imitation of animal running effect, 170mm value. The design of 4.2.3 saddle rodThe two main parameters of the cushion bar are the angle of tilt and the range of adjusting the leng

39、th.(1) analysis of the angle of tiltThe rider riding fitness sports car, thigh and leg pedal, crank and saddle rod plane position 9 as shown in figure 8. In order to determine the tilt angle of the seat bar, assuming the riders legs straight, the thighs and legs are in the same line under the condit

40、ion of positive pedal crank in a horizontal position. The minimum of human body shape formwork GB/T provided 15759-95 standard, namely takes the female perineum to minimum = 673mm as the design reference, while the vast majority of riders will be no need to keep your legs straight, will get to the b

41、ottom of the pedal crank. At the same time, according to the physiological characteristics of human body, the maximum value of D angle is 90 10, then the location of D is 90 degrees.5.ConclusionIn this paper, the feasibility of the fitness car is verified by the principle and physiological analysis

42、of the new type of four drive body building car. And in accordance with the requirements of human engineering, the overall size planning and mechanism design to make it more in line with the needs of industrialization. The control interface is developed humanized, so that timely access to health inf

43、ormation and can accurately and conveniently control, and realizes the man-machine interactive information good. The new concept of the new four-wheel drive body car and the more exercise and imagination that it gives users, it will become a new highlight in the fitness equipment market. Its success

44、ful development and industrialization will greatly improve the technical level of Chinas fitness equipment.附录B中文翻译新型四驱健身车的研制1引言从20世纪80年代中期开始，随着生活质量的不断提高，我国健身器材产业开始快速发展起来。北京奥运会的成功举办为我国健身器材产业的发展提供了有利条件。我国健身器材产业开始注重产品的技术含量和创新性。这使得产品质量有了普遍提高。但与此同时，外国健身器材企业开始瞄准中国市场，并借助奥运招商的机会纷纷进入中国市场，并以他们优质的产品和积极可行的市场营销方

45、案来抢占中国的健身器材市场1。在与国外健身器材企业的竞争中，国产品牌暴露出缺乏产品研发，技术创新能力和技术含量不高等弊端。因此迫切需要加大对健身器材的科技创新力度，提高产品质量，加强自主研发能力，使本国的产品与国际接轨，在健身器材市场上赢得一席之地。健身车是一种常用的家用/商用室内健身器材。它由自行车衍生而来，并沿袭了自行车双脚交替踩踏的运动方式。从结构形式上，健身车可分为立式 (图1)和卧式(图2)两种。另外，还出现了采用同样运动形式的手摇式健身车(图3)。虽然采用手来驱动，锻炼的肌肉群也与普通健身车不同，但是根本上来说，他们都是模拟自行车的双脚交替呈180的运动形式。多年来，健身车产业在市

46、场需求的推动下虽然发展迅速，但都只是在舒适性和安全性上进行的改进，在其核心运动形式并没有突破性的进步。新型四驱分立式健身车具有手、脚共4个独立驱动。结合人体工程学的合理设计，每个驱动都能顺畅、舒适地完成360整周运动。这种四驱的运动形式是对传统健身车运动形式的一种质的突破，不仅充分锻炼了人体上下肢、腰腹等主要肌肉群，其丰富多样的运动方式组合也使锻炼过程充满趣味性，更能让人体验到前所未有的自由奔驰的感觉。2四驱分立的原理和设计运动原理四驱健身车采用了双手双脚分别驱动的原理，使每个输入端都能在不影响其他驱动的情况下，独立驱动主轴转动，从而使骑行者能根据个人喜好，以不同的的运动姿态进行运动，实现踏楼

47、梯、豹奔跑、蛙泳等不同运动方式。 这种双手双脚多驱动装置主要利用了超越离合器的超越功能。其四套独立的驱动装置代替了以往健身车的单驱动装置，并分别驱动阻力系统的从动元件。超越离合器是一种特殊的机械离合器，在机械传动中，它可以根据主、从动部分相对运动速度的变化或旋转方向的改变，自动结合或脱开。驱动元件只能从单一方向使从动元件转动。如果驱动元件改变方向(如顺时针变为逆时针方向)，从动元件则自动脱离，不产生任何传递动力的功能。以两驱动为例，如图4所示，每个驱动装置用一个超越离合器作为驱动装置的正、反向自动转换开关。当驱动装置A按图示箭头方向旋转时，超越离合器A结合，带动从动装置按同一方向旋转。此时，超越离合器B自动脱离(超越)，使得驱动装置B不连动。反之，驱动装置B按图箭头方向旋转时，离合器B结合，带动从动装置旋转，此时，超越离合器A脱离。传动系统设计区别于普通健身车固定式把手的设计，四驱健身车的双手也能进行运动。因此手脚传动系统需要将双手的运动传递到主轴上，使双手双脚的四组分动系统联合起来，实现共同驱动健身车的从动装置。常用的传动方式为带传动以及链传动。但它们都只能在固定长度的前提下来进行功率传递，无法满足设计要求。由于本健身车的把