45results about How to "Many stalls" patented technology

A hybrid drive device based on a double planetary row, the device is provided with a front planetary row and a rear planetary row, the front planetary row has a sun gear P, a ring gear S, a planet carrier, and a planetary gear V, and the rear planetary row has a sun gear Q , ring gear T, planetary gear U, the sun gears P and Q of the front and rear planetary rows are connected, the front planetary carrier is connected with the rear planetary ring gear T, the internal combustion engine is connected with the ring gear S and the planetary carrier through clutches A and B respectively, and the sun The wheel P is connected to the motor, the planet carrier is connected to the gear H, the sun gear Q is connected to the motor, the sun gear P is connected to the sun gear Q, the gear H is meshed with the gear G, the gear G is connected to the output end, and the brake C brakes the ring gear S, brake E brake ring gear T. The invention has the advantages of compact structure and less transmission parts; the planetary row has the function of stepless speed change; it has the function of shifting gears while having the function of mode switching.

A hybrid driving device based on a mechanical automatic transmission, which is provided with a brake, two clutches, a four-speed mechanical automatic transmission, and a planetary gear mechanism. The four-speed mechanical automatic transmission is composed of constant mesh gear pairs O, P, Q , R, synchronizer M, N, shafts G, H, output end, and gears C, D and gears E, F meshing gear pair, the motor is connected to gear D, and is connected to shaft H through clutch B. The internal combustion engine is connected to the sun gear through the clutch A, and the fuel power source drive, electric power source drive, or hybrid power source drive mode switching is realized by controlling the clutches A, B, and brake; the fuel power source drive is realized by controlling the synchronizers M and N Switching of four gears, or switching of four gears driven by an electric power source, or switching of four gears of hybrid driving. The invention has the advantages of compact structure, more modes and more gears in a certain mode.

The invention discloses a double-clutch automatic transmission without a reverse gear shaft. The double-clutch automatic transmission comprises a clutch 1, a clutch 2, an input shaft 1, an input shaft 2, an output shaft 1, an output shaft 2 and a differential gear, wherein the input shaft 1 and the input shaft 2 are coaxial, the input shaft 2 rotates around the input shaft 1; the output shaft 1 is provided with a main reduction gear 2, a reverse gear driving gear, a first gear driven gear, a second gear driven gear, a third gear driven gear and a fourth gear driven gear; the output shaft 2 isprovided with a main reduction gear 2, a reverse gear, a fifth gear driven gear, a sixth gear driven gear and a seventh gear driven gear; the third gear and the fifth gear share one driving gear on the input shaft 2, the fourth gear and the sixth gear share the driving gear on the input shaft 1; and the clutch 1 controls the second gear, the fourth gear, the sixth gear and the reverse gear, and the clutch 2 controls the first gear, the third gear, the fifth gear and the seventh gear. By installing one reverse gear driving gear related to low gear on the output shaft 1 and one reverse gear driven gear on the output shaft 2, the reverse gear installation without the reverse gear shaft can be realized; and the transmission has compact structure, light weight and more reasonable speed ratios of gears, thus the transmission can fit more engines and complete vehicles.

The invention belongs to the technical field of gear boxes, and particularly relates to a three-gear speed-change gear box. An input gear mechanism is in transmission connection with a differential through a three-gear speed-change gear mechanism; the three-gear speed-change gear mechanism comprises an output gear which is in engaged transmission with a differential gear of the differential and three speed-change gears; an intermediate bushing which synchronously rotates with a speed-change gear shaft and a change gear are arranged between every two adjacent speed-change gears respectively, and the change gears are connected with a shifting fork; the shifting fork controls one change gear to be simultaneously connected with the corresponding intermediate bushing and the corresponding speed-change gear, the other change gear is connected with the other intermediate bushing, one speed-change gear is in engaged transmission with the corresponding input gear, the other two speed-change gears are idle, and different speeds are output through the differential. By means of the three-gear speed-change gear box, an electric vehicle can conduct speed changes at a high speed, a middle speed and a low speed, the middle speed is adopted in the goods pulling process, the high speed is adopted in the slope climbing process, and the maximum reduction ratio can reach (1:32)-(1:40); particularly, in the slope climbing process, the electric vehicle is very powerful, and use is comfortable.

The medium -sized car transmission with the main and auxiliary box of the present invention is a fixed axis transmission structure in the middle shaft.The gear uses the lock ring synchronizer to change the gear, and the inverted gear uses a mesh set.The auxiliary transmission is also a planetary transmission structure. It is divided into two gears of high and low. It uses a large -capacity synchronizer to change the gear of the lock ring.The combination of the main and auxiliary transmissions forms 8 forward gear and 2 reversing configurations.The present invention has the advantages of large number of loading capacity, large number of gears, all -synchronized gear changes, speed -match matching, and other comparison distribution, main and sideline linkage control, lightweight shift, environmental protection and energy saving, etc.2. The road conditions are strong and can better meet the current development needs of domestic cars.

The invention relates to a multi-gear multi-clutch speed changer which can satisfy the demand of having multiple gears. The multi-gear multi-clutch speed changer comprises a main input shaft, a main output shaft, multiple input side clutches, multiple output side clutches and a middle shaft. The multiple input side clutches comprise an input end, at least two separation and reunion output shafts and a corresponding input separation and reunion mechanism. Corresponding gear-shifting gear sets are arranged among corresponding sections between the separation and reunion output shafts. Each gear-shifting gear set comprises hollow sleeve gears and a corresponding synchronizer which is arranged between the two hollow sleeve gears which are arranged in pairs in an adjacent mode. The multiple output side clutches comprise an output end, at least two separation and reunion input shafts and a corresponding separation and reunion mechanism, and corresponding speed changing gear sets are arranged between the separation and reunion input shafts and the middle shaft. An output transmission mechanism used for transmitting torque of the multiple output side clutches to the main output shaft is arranged between the output end of the multiple output side clutches and the main output shaft.

The invention discloses a measuring device for a hysteresis loop made of a ferromagnetic material and an application method of the measuring device. The measuring device for the hysteresis loop made of the ferromagnetic material comprises an excitation circuit, a control circuit, an integrating circuit, a sampling resistor circuit, a liquid crystal display circuit, a key detecting circuit and an oscilloscope. According to the method, step values of excitation voltage and excitation resistance are set through programming a singlechip; the oscilloscope displays the hysteresis loop to be measured; and an upper computer measures and analyzes the coercivity, the remanence induction strength, the maximum field, the maximum magnetic induction strength and the magnetic hysteresis loss of the ferromagnetic material according to the hysteresis loop. The original mechanical switch and manual knob type switch control mode is replaced by a program control mode, and shortcomings that contacts of a knob switch are in a poor contact state easily, gears are easy to loosen, and the like are overcome. By an experimental instrument developed in the invention, the reliability of experimental equipment can be increased, and the service life of the experimental equipment can be prolonged. Owing to the program control mode, the step values of the excitation voltage are low, gears of the excitation voltage are sufficient, measurement precision is high, and practicality and accuracy are good.

The invention discloses a light-duty automotive transmission with a main box and a secondary box, which has a middle shaft type fixed shaft transmission structure. Gears of the transmission comprise four forward gears and one reverse gear, and adopt full oblique tooth meshing transmission; the first, second, third and fourth gears are shifted by adopting a lock ring type synchronizer; and the reverse gear is shifted by adopting a meshing sleeve. A secondary transmission also has a fixed shaft transmission structure, and has two gears comprising a high gear and a low gear which are shifted by adopting a lock ring type high-capacity synchronizer; and the conversion of the high and low gear areas is automatically operated by an air valve. The main transmission and the secondary transmission are combined to form a layout of eight forward gears and two reverse gears. The light-duty automotive transmission has the advantages of large loading capacity, more gear number, speed ratio matching distribution according to offset geometric progression, linked operation of the main box and the secondary box, environmental protection, energy conservation and the like, has strong adaptability for various working conditions and road conditions, and can well meet the development requirement of current domestic automobiles.

The invention discloses a speed changing box which comprises a front box, a back box and a front driving box. The front box comprises a front box body. A front box input shaft, a front box middle shaft and a front box output shaft are arranged on the front box body. The back box comprises a back box body. A first output shaft of the back box, a middle shaft of the back box and a second output shaft of the back box are arranged on the back box body. The front driving box comprises a front driving box body. A front drive middle shaft and a front drive output shaft are arranged on the front driving box body. According to the speed changing box, on the condition that a sliding sleeve of a front driving box synchronizer is connected with a fourth driving gear and on the condition that the sliding sleeve of the front driving box synchronizer is separated from the fourth driving gear, a tractor can respectively realize four-wheel driving and two-wheel driving. Consequently, the speed changing box enables the tractor to flexibly choose two-wheel driving or four-wheel driving according to different conditions, so that traveling requirements of the tractor on different operation working conditions can be met. Moreover, the speed changing box is large in number of gears and wide in changing range of the output speed ratio so as to enable the tractor to operate at relatively optimized traveling speed, and is good in energy-saving effect.

The invention discloses a gear shifting mechanism which comprises two mutually parallel and opposite first shaft systems. The first shaft systems comprise a plurality of transmission mechanisms, the transmission mechanisms comprise shafts, chain wheels sleeve the shafts, a first connecting sleeve is arranged between each shaft and the corresponding chain wheel, the shafts are in clearance fit with the first connecting sleeves, the first connecting sleeves are in clearance fit with the chain wheels, the shafts are in key connection with the first connecting sleeves, the first connecting sleeves are in key connection with the chain wheels, every two adjacent transmission mechanisms on the first shaft systems are connected by a second connecting sleeve, the second connecting sleeves are in clearance fit with the shafts and are in key connection with the shafts, and the chain wheels on two first shaft systems are connected through a plurality of chains. The gear shifting mechanism is reasonable in design and convenient to manufacture and can solve the problems that an existing gear shifting mechanism is large in size, fewer in gears and high in manufacturing accuracy requirement.

The present invention relates to a double-clutch hybrid power automotive transmission system. It includes the following several portions: internal combustion engine, two clutches, motor rotor, motor stator, four-gear double-clutch automatic speed changer, epicyclic gear train mechanism and output end. Said invention also provides the connection mode of all the above-mentioned portions and working principle of said hybrid power transmission system.