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1、附 录附录AHeavy Off-Road Vehicle Drive Axle Of BreakingThe important thing is, in the great assembly at the end of the transmission. Its basic function is increased by the transmission shaft or directly by the torque, came to the torque distribution to left and right drive wheels, and make the right and
2、 left wheel drive car has required the kinematics differential function, While carrying the spring load and the car wheel, the frame of the body through suspension or integral to plumb-lines, longitudinal and transverse force and moment force, Also the biggest transfer transmission torque, still und
3、er the bridge housing reaction torque.Drive structure and driving wheel is closely related to the suspension structure. When driving wheel using an independent suspension, using the broken open axles, When driving wheels adopt independent suspension, match with breaking drive axles, independent susp
4、ension. Look from exterior, independent suspension axles connectionless left and right of the whole bridge rigid driving wheel, shell is bridge housing, and other relative movement between. This bridge is installed in the middle frame or integral car transmission and driving wheel transmission devic
5、e and part of the quality of the automobile suspension with belong to the quality and the side of the drive wheels with independent suspension of elastic component and frame or weak connection for cars. Therefore, one on either side of the drive wheels can independently, relative to the frame or car
6、s do, swing, left, and right shaft corresponding requirements and their corresponding shell makes the corresponding swing. Cars drive by breaking the suspension, and the quality of small and independent suspension matching, can make the driving wheels of various earthing and adaptability, good roads
7、 that can greatly reduce the cars in the rough road impact and vibration during the body decreases wheel and axle tilt, the dynamic loads of vehicle, improve and enhance average speed, Reduce the damage, improve its components reliability and prolong its service life.Based on the development of Chin
8、as heavy independent suspension of six x 6 cross-country car cut off from the drive axles, for example, is insufficient, the development technology independent suspension drive axle of necessity and independent suspension drive axle of structural principle in aspects of heavy off-road vehicle drive
9、with independent suspension of this development.1 Domestic independent suspension drive technology situationAt present domestic independent suspension axles in cars, light off-road vehicle and JN252 8 x 8, etc ZhongDunWei military car has been applied and independent suspension heavy off-road vehicl
10、e axles technology is basically blank, Foreign independent suspension heavy off-road vehicle axles technology also only by American company, belarus, Minsk Sisu, Finland has TIMONEY company and Korea etc, and application scope of military and civilian limitations in some special models.2 Develop ind
11、ependent suspension drive axle of necessityIn recent years, with independent suspension off-road vehicle market demand more and more widely. Restrict independent suspension off-road vehicle development is one of the key factors, thus breaking drive axles of the necessity of developing broken off.2.1
12、Military car development needsCurrently our extensive use of grade 6 x 6 type 7t SX2190 models is shaanxi automobile manufacturing factory using STEYR technology development of new generation rover, has good performance, and strong adaptability, good performance advantages over the past 20 years for
13、 national defense construction made great contribution. The truck with 8 x 8 upward-leading continuous casting.the JN2270 15t and capability of type x 8 August JN2300 type, the successful development of Chinas second DaiJun car development was at an end. In order to adapt to the needs of modern war,
14、 the third DaiJun car development was put on the agenda. Article DaiJun car features for independent suspension of high performance of motor vehicles. As its core technology is one of the big Hollywood drive shaft cut off, domestic blank, basic is dependence on imports, if do not accord with nationa
15、l also does not conform to the military.2.2The basic needs of national constructionFor many years, our national economy is developing rapidly, and infrastructure investment growth, hydroelectric power, oil field, mine, coal and other industries such as fire like tea. The industry is inseparable from
16、 the high quality, the high performance of transport vehicles, independent suspension off-road vehicle is among the top. However, these vehicles almost entirely on imports, spent a great deal of foreign exchange. To develop a replacement model is of great significance to meet the market demand.3 Independent suspension structure theory. Drive axle ofChinas heavy automobile group company with development and production status, independent development drive
