Performance bike riding

Riding performance and structure about the size of a bicycle , the rider's body and the vehicle match each timber will be brisk ride , comfort and maneuverability . , And the vehicle body A, B, C3 -point contact , three points form a triangle whose sides and angles are important parameters of the bicycle. AB and AC 's length relationship to the rider can most effectively play physical . BC by the length and position of the rider and the vehicle may be customary , it determines the rider's cargo bike posture and comfort. Front and rear center distance L, fork and fork tilt angle θ T is also extending from the main parameters of a bicycle , according to the model selected . Generally , L, T and θ is greater value, the better the stability of the vehicle , from the straight running of the complex and strong , but the flexibility is poor; Conversely , L, a small value θ value T is large, the flexibility and stability of the vehicle of the hearing. L values ​​are based on the rider's body to select the material , generally 900 ~ 1200mm; θ value of 65 ° ~ 75 °; T value determined by the value of θ . Alice H of the fork is usually controlled at the center of the front wheel fork and the steering axis of the vertical position of the intersection J , J -point height from the womens mountain bikes ground is generally 15% to 60% of the radius R of the wheel . In addition, the manufacturing precision and wheel weight ( including tires ) also affects the riding performance.

Power Folding electric bikes

When the electric power sensor in the power state is a Cargo bike speed signal, the step back riding pedal force detection means . The controller according to electric drive power to achieve human and automatically Folding electric bikes the power , electric cars driven by rotation .

Electric Tricycle lead-acid batteries

Has more than 100 years of history , because it is stable performance , easy to control the production process , low cost , battery power is used in most domestic and foreign manufacturers . Electric tricycle tube lead-acid batteries in the domestic audience as more of a product , because of its powerful, long life, high cost , more and more consumers. To better understand the tube lead-acid batteries , the article on the return of a number of electric tricycle with a tube of lead-acid batteries were Cargo bike , summarizes the common problems returning faulty battery , and its entry launched a major adverse analysis, the final proposed the use of tubular lead-acid battery maintenance instructions. Two lead-acid battery negative phenomena through the collection of a few months to return the battery to extract the failure of which 500 cells were detected and analyzed, based on the reasons for poor battery , its Folding electric bikes for the statistics, the results are shown in Table 1. 2.1 negative anatomy of lead paste expansion off the battery , there is 204 battery negative lead paste partial or complete expansion of a small part has come off . Lead paste expansion was part of the soft pulpy, and corrosion layer grid connection is poor, it is easy to fall off. This phenomenon will cause the battery capacity fade and fall off the lead paste may cause a short circuit within the battery .

Important equipment for Battery powered bikes communications

Is an important communication vehicle mobile communications equipment , its mobility, strong , quick and easy Folding electric bikes , which depends mainly on the chemical supply during the move , pan past the power supply of nickel alkaline batteries , alkaline batteries at the factory nickel- pot , usually without electrolyte factory , to use the unit , you must be formulated or purchase an alkaline electrolyte and perfusion , soaking , activation, after charging people to vote using these preparations are complex and cumbersome , and the technical strength of each unit the difference is large , strong technical force trained units capable of the work , technical weakness of the unit it is difficult to complete the work . After careful demonstration and testing , will be the original alkaline batteries instead of nickel Cargo bike VRLA batteries. VRLAB reasonable structure, tight fitting , good resistance to shock and vibration performance, small size , in the case of the proper use of non- acidic gas spill , inexpensive, can satisfy the work requirements in-vehicle equipment , suitable as a vehicle power supply . But any chemical power is perfect , after a period of use has also exposed some of the problems affecting the normal use of communication devices and communication liaison smooth. Electric field on the sand v. World hurried life as beads i S p brick Wei Zhen Physical Chemistry 2 Symptom Symptom power , communication vehicle has a variety of power supply .

Round threaded screw within the fixed in the rear right side

Within the flywheel, the flywheel threaded screw fixed in the rear right side, keep the same level with sprocket, and through the chain and sprocket connected to constitute a bicycle drive system. From the structure can be divided into two types: single-stage flywheel and multilevel flywheel. Single-stage flywheel is also known as single wheel flywheel, mainly composed of coat, flat and retaining core one thousand jins, one Three wheel bikes jins, spring, washer, silk in several steel ball and other parts. The working principle of the single stage flywheel: when stepping forward move pedal, chain drive the flywheel rotation forward, while the flywheel gear and contains one thousand jins, flywheel rotating force to the core by one thousand jin, core drives the rear axle and rear wheel rotation, bicycle went forward. When to stop when the foot pedal, chain and coat are not rotating, but the rear wheels under the effect of inertia still turns forward core and one thousand pounds, while the flywheel gear produces relative sliding, thus to Cargo bike the core into the cartridge slot, one thousand kg and one thousand jins compressing the spring. When one thousand jins slide to the top of the flywheel internal tooth addendum, one thousand jins spring is compressed at most, a little bit forward slip again, one thousand jins are one thousand jins spring play, on the tooth root of "clicking" sound. Core rotate faster, one thousand jins also quickly in the flywheel gear sliding, "clicking" sound. When reverse step move down coat reverse rotation, will speed up one thousand jins of sliding, the "clicking" sound more urgent. Multilevel flywheel is an important part of bicycle transmission level flywheel is on the basis of single-stage flywheel, add a few slices of the flywheel, and in combination with the sprocket center axis, composed of a variety of different transmission ratio, which changed the speed of the bicycle.

The old bike

Choose more old-fashioned 28 inches aggravating the bicycle. If a new car, before you set off must be running in 200 to 300 kilometers, to fully adjusted to hit the road again. So old, want to pass a comprehensive overhaul, especially for car seat for processing. Saddle shoulds not be too hard or too small, it is better to add a 3 to 5 cm thick sponge cushion. Notice must stay cushion surface drying and Cargo bike have fold and stitch seams, riding side for a long time not torn skin or long prickly heat. Saddle shoulds not be too high or too low to personal ride comfort is advisable. Handlebar should basically equals the seat height, height difference Three wheel bikes 3 to 5 cm as well. Should also be installed hanging bags before and after the bicycle frame. Backpack long distance cycling very tired and sick. Best should also install a kettle in the bicycle girder frame, so that may at any time convenient to take water in cycling. In addition, some bare agent was injected in the tyres, once a punctured tire, just pull out into objects, broken down hole air, can be automatically broken hole plug, pledged to continue riding. Before you leave, you must master to adjust and repair of bicycle, including; Tire repair, replacement, spoke, replacement brake block, rear axle in before the repair, adjust, repair the flywheel, etc.

The service life of the electric tricycle

1, the electric bicycle before use should adjust the height of the saddle and handlebar, to ensure the comfort of riding, relieve fatigue. Saddle and handlebar height should vary from person to person, usually the height of the saddle for the rider to reliable landing on one foot for appropriate (the vehicle should be the basic upright), the height of the handlebars to rider forearm flat, shoulder and arm Cargo bike as appropriate. But the adjustment of the saddle and handlebar should first ensure tube and the insertion depth must be higher than the safety sign of the stand pipe line.
2, electric bicycle before use should check and adjust the brake before and after. Before the brake controlled by the right brake, the rear brake is controlled by the left brake. About brake Folding electric bikes and after the adjustment to the brake handle their half of the trip to reliable braking is suitable; Brake skin excessive wear, to timely replacement.
3, electric bicycle before shall check the firmness of the chain. Chain too tight pedal bike in arduous, too loose is easy to vibrate, brush touch other parts. Chain of sag is suitable for 1 to 2 mm, usually don't have to pedal cycling can tighten appropriately. Chain adjustment, loosen the rear nut first, through the uniform precession spin out around the chain screw, adjust the chain firmness, retighten good rear wheel nut.
4, electric bicycle before use should check the lubrication condition of the chain. Handle and observe whether chain chain axis rotation is flexible, link corrosion is serious. If corrosion or rotation is not flexible, should include a moderate amount of lubricating oil, serious should replace the chain.
Before 5, electric bicycle riding, should check the tire pressure, handlebar front and rear wheels steering flexibility, rotational flexibility, circuit, battery power, motor working condition and lights, horn, fasteners, such as whether meet the requirements.

The gear dynamic and static performance analysis and structure optimization

Gear pump has the distinctive Cargo bike of simple structure, easy manufacture, small size, long life, low purchase price, strong self-priming capacity, high operating reliability, low sensitivity to the oil, more convenient to maintain. At the same time, due to the structure characteristics of the gear pump is symmetrical, so it can realize high speed rotation. These advantages make the external gear pump is widely used in mining equipment, metallurgical equipment, construction machinery, machine tool equipment, Folding electric bikes industries such as shipbuilding and all kinds of engineering and agricultural machinery. In addition, the gear pump in the hydraulic transmission system and lubrication system is widely applied. But its structure of the gear pump has also led to the trapped oil phenomenon, it with non-uniform flow, good flow ripple, high working noise and emissions do not adjust the shortcomings. In this paper the flow pulsation of the pump and the pump body burst failure to carry out the research, and obtained some research results. Paper first starts with the basic theory, the formula of flow pulsation of external gear pump is derived, the gear pump flow pulsation theoretically under the influence of which parameters as well as the relationship between these parameters. Then using FLUENT fluid analysis software, based on dynamic grid, on the basis of the internal flow field of the gear pump are analyzed in numerical simulation, get the internal gear pump pressure field and velocity field, the analysis of the internal gear pump leak and trapped oil phenomenon, through the simulation test under different rotational speed, the gear pump.

Based on the commercial value of products innovation research

With the development of science and Three wheel bikes and the arrival of knowledge economy, great changes have taken place in the world as a whole. Boom of the knowledge economy, it is a whole new realm of social progress, and social development have to face a new challenge. The arrival of knowledge economy makes the economy growth mode changed, innovation Cargo bike the basic requirement of knowledge economy. Market competition is increasingly fierce, the enterprise to survive under in a fast growing market characteristics and development of the lasting competitive advantages must be established. New product competition has already become one of the core areas of enterprise competition, many companies have intention to seek a higher position, more market share, and the new market territory, its strategy is to product innovation, constantly develop new products to ensure its continued competitiveness. But in the current market competition, not every enterprise can succeed the implementation of product innovation, according to research from the creative to the final in the process of commercialization, only ten percent of the new product success. The fundamental problem is that they failed to put profit targets in a strategic height. So enterprises shall transfer the costs, risks, such as the income, time, and concept integration into the enterprise in the process of new product development, set up a complete set of business value based market-oriented to consumers as the center business value as the starting point, the center and the target's theory of product innovation, process and organization system.

The benefits of the electric tricycle

For general urban and rural residents, especially the elderly, the electric tricycle no noise, no pollution, safe, energy-saving, both manned and can slide, got the favour of this part of the people. Between these special performance of the electric tricycle, its market mainly concentrated in the villages and towns and rural areas, so its distribution channels are mostly concentrated in the county or township for the special use of special tricycle, because it is used in special fields, usually by a particular organization or group from the hand of the supplier directly to pick up the goods, does not exist among the dealer link, which is determined by the special tricycle Three wheel bikes of application scope. For ordinary electric tricycle, from management pattern, the outlet of the electric tricycle industry does not see more, and the large supermarkets, stores and other rare electric tricycle shop goods, manufacturer is looking for general operating electric two-wheelers dealers for Cargo bike to sales, the electric tricycle in most dealers management of product structure, generally account for only a small part, in addition to a small number of market, most of the market sales of the electric tricycle lags far behind electric bicycle, it is also a dealer taken by one of the reasons why the sales model. It seems that the electric tricycle industry channel mode is still in a very low level, also has not formed the mainstream channels. Various scattered sales network has been set up, but is not stable, the terminal also does not appear, such as a big dealers and model of electric bicycle industry market. Always speaking, the electric tricycle industry is still at the initial stage of only focusing on the production, in view of the terminal sales market marketing has not caused enough attention in the industry. According to understand, so far, huai hai, Jin Peng industries well-known brands have been building up the brand stores in some area, the channel pattern of industry will get promoted, stores, shopping malls, large supermarket sales model will gradually widespread in the next few years, the electric tricycle channel pattern will also usher in a new situation.

Electric vehicles as a transport vehicle has been popular

Electric vehicles as a transport vehicle has been popular, it was found that every winter than summer a large number of electric vehicle battery Folding electric bikes shrink, or become difficult to charge, can't even start. In fact, this is the lot as consumers ignore the winter for the maintenance of the battery. Reporters visited several electric car repair shop, capital maintenance of electric vehicle battery. "Abraham area a electric car repair shop maintenance personnel tell reporter, battery the best working environment temperature is 15 degrees Celsius and 40 degrees centigrade. In this temperature range, can affect the normal work of the battery, the battery life will be shortened. A normal lead-acid battery can ensure the vehicle furthest distance of 50 km, due to the principle of heat bilges cold shrink, when the environment temperature to ten degrees Celsius, the battery power can't release, one hundred percent charged a mileage in winter than in Cargo bike when charged a mileage to reduce a lot. So it is important for battery maintenance. Charging ways, first time after go home, regardless of age, all want to charge, keep the electricity pool in the condition of sufficient electricity use, if occasionally didn't charge the battery, but often is not full of electricity use, the battery will create a "memory", affect the line continuation mileage, also the service life of the battery. Charge when you plug plug of the battery, and then insert the plug. End of charging, first pull the plug, pull out the battery plug again. Secondly, launch electric vehicles, avoid large current discharge, reduce the manned exercise, climbing the best human implementation or power line, otherwise it is a big damage for the battery. If the vehicle in the open air or cold storage for weeks when not, should remove the battery, stored in a warmer room, to prevent freeze damage to the battery. And try to shorten the use of electric vehicles at low temperature, and should be recharged in a timely manner. If you are not ready to use in winter storage battery, don't keep in the coming year when using rechargeable batteries, and it should be every 1 month to charge one battery, to ensure the storage capacity of lead-acid electric pool, at the same time avoid acid damage to the battery. Maintenance personnel said maintenance charging battery will remember to frequently, more power. In use after six months, the best to do a battery maintenance maintenance station, appropriate complement battery electrolyte, adjust well the proportion of the electrolyte, and check the electricity situation, keep the battery electrolyte proportion, can increase the number of charging when necessary. At the same time, clean the terminal of the battery, and painted with special grease to protect it is also very important, practical and reliable this can ensure that the electric car startup, extend battery life.

Tricycle at present is rarely seen in the far east

Tricycle at present is rarely seen in the far east, but in Cargo bike European cities, tricycle has become increasingly common. In the 1990 s, tricycle, as a kind of environmentally friendly new thing were introduced to the west. In the crowded into the street, tricycle is an interesting short distance transportation. In Paris, London and Three wheel bikes in the Netherlands where tricycle is unlikely to become a daily vehicle. In terms of technology, the rickshaw is called a tricycle or the tricycle, due to the drivers to ride a bike instead of driving, the tricycle and more than the traditional means of transport, has a position in the history of USES. A fixture in a London theatre one recent evening to a nearby restaurant to the station by tricycle and the passenger said: "in the city at night by tricycle or live soon." Passenger tricycle parts of the body can be exposed to the wind and rain, so a lot of three sides are equipped with blankets, for passengers to rainy night keep out the cold. Tricycle fare well isn't cheap. London bit most of the driver in London's west end theatres and tortuous road to solicit business back and forth between entertainment from Waterloo Bridge to the soho area, a fare $20 with two passengers. In Paris, tricycle is also known as "staples a staples", the main building for a spin around Paris 40 minutes, $80 adult, child half-price.

Bike is a kind of basic travel transportation

Bike is a kind of basic travel transportation. Although in today's society, there are more choices of new traffic tools for people to choose, but in today's electric trike low carbon life, bicycle as green transport more favored by people, and become an integral part of people's life. Therefore, to the design of the bicycle is more should be people-oriented, make the bike more functional, practical and entertaining, and satisfy the personality Cargo bike of different consumer groups. Humanized design and analysis was studied for the bike is therefore it is of great significance. This article from the perspective of human evolution, on the development of bicycle design agitation and bicycle ergonomics research analysis, and put forward the future trend of bicycle humanized design; Bicycle light more quantity, more diversified, higher material science and technology, and design more fashionable design direction. In this paper the research content mainly includes four chapters: in the second chapter is history and to conduct a comprehensive interpretation of his bike and was carried out on the development history of the past bicycle summary, and on the function, the paper points out the development of the bicycle and summary, provide theory support for the later. Take apart in the third chapter is the current bicycle parts of understanding, respectively from the ergonomics theory, the uniqueness of theory on modelling, material selection and study of the color selection theory,.

The electric tricycle has good market prospects

The electric tricycle has good market prospects, has a huge role to the national economy and people's livelihood, therefore improve the electric tricycle industry reasonably. This exploration, the Cargo bike prospects and policy electric tricycle industry as a component of electric cars, has carved out a market proud. Truly achieve commercial production and sales of the world today, has been a huge market share and ownership of electric vehicles, and only China electric two-wheelers and electric tricycle. As the population ages and expansion, the national development of urbanization, urban Folding electric bikes which has the function of vehicle electric tricycle a vast market. Small electric tricycle with safe, convenient and comfortable for characteristic, wins the favor of the elderly and inconvenience to act. Second, the small passenger tricycle consider to choose products, many families can take people to travel, can also carry small goods, is very convenient, is the family shopping, ferry their children to school, carrying his wife ideal tool to travel for pleasure. Whether in the cities or in rural areas, and the integration of urban and rural areas, the electric tricycle has become a part of the working group of production materials, tools to transport the goods delivery, express delivery industry

Electric bicycle belongs to a non-motor vehicle management category

Electric bicycle belongs to a non-motor vehicle management category, should have a combination of the following five characteristics: must have foot traffic function, storage battery only as auxiliary energy; Must have two wheels; Design speed is not more than 20 km/hour; The vehicle weight is not more than 40 kg; The tire width (tire) not more than 54 mm. Electric bicycle model with TD (special bicycle types of electric bicycle class) the champions league. Although it with ordinary bicycle appearance Folding electric bikes (even with motorcycle appearance characteristics), but the main is that it is on the basis of ordinary bicycles, installation of the motor, controller, battery, and turn the brake the control parts and display instrument system of mechanical and electrical integration of personal transport. Most of the electric bicycle is a hub motor direct drive the front wheel or rear Cargo bike rotation. The root hub motor electric cars, according to different output speed respectively with different wheels, wheel diameter used to drive the vehicle driving speed of 20 km/h. Although the modelling of electric vehicles and battery installation position is not the same, but its drive and control principle in common. This kind of electric bicycle is the mainstream of electric products. A small amount of electric vehicle driven by the wheel hub motor. These vehicles use hanging side or columnar motor, type of motor, friction wheel. Generally adopt the motor drive electric vehicle, the vehicle weight will be reduced, the motor efficiency lower efficiency than wheel type. Under the condition of the same battery energy, the use of the motor vehicle typically than wheel type vehicle line continuation mileage by 5% to 5%