A kind of stepless speed variator with converter coupling
Technical field
The invention belongs to fluid torque converter field, more particularly, it is a kind of stepless speed variator with converter coupling for various surface car, boats and ships, railway locomotive, engineering machinery, various metallurgy, mine, oil, chemical industry, light industry, food, weaving, handling machinery, lathe, robot and military project.
Background technique
At present, fluid torque converter all needs by principle designs such as hydrostaticss, and the power that it can transmit is little, and efficiency is not high; In addition, cost is high.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of working life extending motor and power train, structure is simple, the stepless speed variator with converter coupling of efficient energy-saving.
In order to realize object of the present invention, below the technical solution used in the present invention:
A kind of stepless speed variator with converter coupling, comprise input shaft (1), output gear wheel set (3), overrunning clutch (4), converter coupling (5), input gear pair (6), joining shaft (7), output shaft (8), planetary pinion (20) is provided with between described input shaft (1) and output shaft (8), line of input carrier (21), fixing bull gear (22), output gear (23), fixing gearwheel (24), output pinion (25), connect planet carrier (26), conflux small gear (27), output gear (28), conflux planet carrier (29), the input gear (61) of line of input carrier (21) and input gear pair (6) connects with input shaft (1), line of input carrier (21) is by the planetary pinion (20) on it and fixing bull gear (22), output gear (23) cooperating, output gear (23) connects with the small gear that confluxes (27), the output gear (62) of input gear pair (6) connects with the input end (51) of converter coupling (5), the output terminal (52) of converter coupling (5) and the input end (41) of overrunning clutch (4) and connect planet carrier (26) and connect, output terminal (42) and the fixing bull gear (22) of overrunning clutch (4) connect with fixed element, connect planet carrier (26) by the planetary pinion (20) on it and fixing gearwheel (24), output pinion (25) cooperating, fixing gearwheel (24) is connected with fixed element by joining shaft (7), output pinion (25) connects with the input gear (31) of output gear wheel set (3), the output gear (32) of output gear wheel set (3) connects with the planet carrier that confluxes (29), conflux planet carrier (29) by the planetary pinion (20) on it and the small gear (27) that confluxes, output gear (28) cooperating, output gear (28) connects with output shaft (8).
A kind of stepless speed variator with converter coupling, comprise input shaft (1), output gear wheel set (3), overrunning clutch (4), converter coupling (5), input gear pair (6), joining shaft (7) output shaft (9), planetary pinion (20) is provided with between described input shaft (1) and output shaft (9), line of input carrier (21), export bull gear (22), export little gear ring (23), export gearwheel (24), fixing small gear (25), connect planet carrier (26), conflux small gear (27), output gear (28), conflux planet carrier (29), conflux planetary pinion (80), output gear (81), conflux small gear (82), conflux planet carrier (83), the input gear (61) of line of input carrier (21) and input gear pair (6) connects with input shaft (1), line of input carrier (21) is by the planetary pinion (20) on it and output bull gear (22), export little gear ring (23) cooperating, export little gear ring (23) to be connected with the small gear that confluxes (82) by joining shaft (7), export bull gear (22) to connect with the small gear that confluxes (27), the output gear (62) of input gear pair (6) connects with the input end (51) of converter coupling (5), the output terminal (52) of converter coupling (5) and the input end (41) of overrunning clutch (4) and connect planet carrier (26) and connect, output terminal (42) and the fixing small gear (25) of overrunning clutch (4) connect with fixed element, connect planet carrier (26) by the planetary pinion (20) on it and output gearwheel (24), fixing small gear (25) cooperating, export gearwheel (24) to connect with the input gear (31) of output gear wheel set (3), the output gear (32) of output gear wheel set (3) connects with the planet carrier that confluxes (29), conflux planet carrier (29) by the planetary pinion (20) on it and the small gear (27) that confluxes, output gear (28) cooperating, output gear (28) connects with the planet carrier that confluxes (83), conflux planet carrier (83) by the planetary pinion that confluxes (80) on it and output gear (81), conflux small gear (82) cooperating, output gear (81) connects with output shaft (9).
Two need the element connected, and can select direct connection, are passed other element by the mode of quill shaft or striden across other element by the mode of connecting rod, make two to need the element connected to link together.
When the present invention is applied to vehicle, when can travel according to vehicle, be subject to the size of resistance, automatically change the change of output torque and speed.
The present invention has following advantage:
(1) power of the present invention is by gear ring, planetary pinion, planet carrier, gear transmission, and thus transmission power and transmission efficiency all greatly improve, and structure is simple, is easier to maintenance;
(2) bending moment of the present invention and speed change complete automatically, can realize high efficiency transmission, and except starting, motor can be made to work in optimum range, compared with other speed changer, under the prerequisite of motor equivalence, that reduce the manufacture cost of motor;
(3) the present invention makes motor be in running in economic speed region, namely work in the speed range of very little disposal of pollutants, avoid motor when idling and high speed operation, discharge large quantity of exhaust gas, thus decrease the discharge of waste gas, be conducive to protection of the environment;
(4) the present invention can utilize inner speed discrepancy to play buffering and overload protection, is conducive to the working life extending motor and power train, in addition, when running resistance increases, then can make the automatic reduction of speed of vehicle, on the contrary then raising speed, be conducive to the rideability improving vehicle;
(5) the present invention makes input power uninterrupted, can ensure that vehicle has good acceleration and higher average speed, the wearing and tearing of motor be reduced, extends interval mileage of major repair, improve bus dispatching rate, be conducive to boosting productivity.
In addition, the present invention is a kind of stepless speed variator with converter coupling that also can be used for various surface car, boats and ships, railway locomotive, engineering machinery, various metallurgy, mine, oil, chemical industry, light industry, food, weaving, handling machinery, lathe, robot and military project.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the embodiment of the present invention one;
Fig. 2 is the structural drawing of the embodiment of the present invention two;
Joint in accompanying drawing between two elements, use heavy line to represent and be fixedly connected with, fine line represents that two elements can relatively rotate.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
Embodiment one:
As shown in fig. 1, a kind of stepless speed variator with converter coupling, comprises input shaft 1, output gear wheel set 3, overrunning clutch 4, converter coupling 5, input gear pair 6, joining shaft 7, output shaft 8, is provided with planetary pinion 20 between described input shaft 1 and output shaft 8, line of input carrier 21, fixing bull gear 22, output gear 23, fixing gearwheel 24, output pinion 25, connect planet carrier 26, conflux small gear 27, output gear 28, conflux planet carrier 29, and the input gear 61 of line of input carrier 21 and input gear pair 6 connects with input shaft 1, and line of input carrier 21 is by the planetary pinion 20 on it and fixing bull gear 22, output gear 23 cooperating, output gear 23 connects with the small gear 27 that confluxes, the output gear 62 of input gear pair 6 connects with the input end 51 of converter coupling 5, the output terminal 52 of converter coupling 5 and the input end 41 of overrunning clutch 4 and connect planet carrier 26 and connect, output terminal 42 and the fixing bull gear 22 of overrunning clutch 4 connect with fixed element, connect planet carrier 26 by the planetary pinion 20 on it and fixing gearwheel 24, output pinion 25 cooperating, fixing gearwheel 24 is connected with fixed element by joining shaft 7, output pinion 25 connects with the input gear 31 of output gear wheel set 3, the output gear 32 of output gear wheel set 3 connects with the planet carrier 29 that confluxes, and the planet carrier 29 that confluxes is by the planetary pinion 20 on it and the small gear 27 that confluxes, output gear 28 cooperating, output gear 28 connects with output shaft 8.
The input power of motor splits into two-way through input shaft 1, the first via, flows into line of input carrier 21, and flows into output gear 23 by the planetary pinion 20 in line of input carrier 21, then flows into the small gear 27 that confluxes; Second tunnel, flows into converter coupling 5 by input gear secondary 6, then flows into connection planet carrier 26, and flows into output pinion 25 by the planetary pinion 20 connected on planet carrier 26, then flows into by output gear wheel set 3 planet carrier 29 that confluxes.
Owing to confluxing, small gear 27 and the planet carrier 29 that confluxes are the elements that conflux, so flow into the first via conflux small gear 27 power and flow into the second tunnel and to conflux the power of planet carrier 29, then conflux in output gear 28, and be delivered to output shaft 8, thus achieve the power of motor is externally exported by output shaft 8.
For the stepless speed variator with converter coupling of the present invention, when the rotating speed of input shaft 1 is constant, moment of torsion on output shaft 8 changes with the change of its rotating speed, rotating speed is lower, moment of torsion on output shaft 8 is larger, otherwise, then less, thus realize the present invention can change moment and the speed stepless speed variator with converter coupling with the difference of vehicle travel resistance.
When what the present invention used has the stepless speed variator of converter coupling, if the input power of motor, input speed and its load constant, namely the rotating speed of input shaft 1 and moment of torsion are constant, before vehicle starting, the rotating speed of output shaft 8 is zero, work as automobile starting, because resistance is larger, and due to the effect of overrunning clutch 4, to conflux planet carrier 29 transfixion, conflux small gear 27 being delivered to this moment of torsion by each element from input shaft 1, be delivered to output gear 28 again, output gear 28 reduction of speed is made to increase square, and be delivered to output shaft 8, through power train be transferred to the tractive force that driving wheel produces be enough to overcome vehicle starting resistance time, automobile is then started to walk and is started to accelerate, when increasing power and continuing acceleration or drag reduction, overrunning clutch 4 automatically terminates the control to planet carrier 29 sense of rotation of confluxing, the input end 51 of converter coupling 5 and the speed discrepancy of output terminal 52 constantly reduce, namely the rotating speed of planet carrier 29 of confluxing constantly increases, and converge speed in output gear 28 with the rotating speed of the small gear 27 that confluxes, the rotating speed of output gear 28 is also constantly increased, and be transferred to output shaft 8, thus achieve the power of motor is externally exported by output shaft 8.
Embodiment two:
As shown in Figure 2, a kind of stepless speed variator with converter coupling, comprises input shaft 1, output gear wheel set 3, overrunning clutch 4, converter coupling 5, input gear pair 6, joining shaft 7 output shaft 9, is provided with planetary pinion 20 between described input shaft 1 and output shaft 9, line of input carrier 21, export bull gear 22, export little gear ring 23, export gearwheel 24, fixing small gear 25, connect planet carrier 26, conflux small gear 27, output gear 28, conflux planet carrier 29, conflux planetary pinion 80, output gear 81, conflux small gear 82, conflux planet carrier 83, and the input gear 61 of line of input carrier 21 and input gear pair 6 connects with input shaft 1, and line of input carrier 21 is by the planetary pinion 20 on it and output bull gear 22, export little gear ring 23 cooperating, export little gear ring 23 to be connected with the small gear 82 that confluxes by joining shaft 7, export bull gear 22 to connect with the small gear 27 that confluxes, the output gear 62 of input gear pair 6 connects with the input end 51 of converter coupling 5, the output terminal 52 of converter coupling 5 and the input end 41 of overrunning clutch 4 and connect planet carrier 26 and connect, output terminal 42 and the fixing small gear 25 of overrunning clutch 4 connect with fixed element, connect planet carrier 26 by the planetary pinion 20 on it and output gearwheel 24, fixing small gear 25 cooperating, export gearwheel 24 and connect with the input gear 31 of output gear wheel set 3, the output gear 32 of output gear wheel set 3 connects with the planet carrier 29 that confluxes, and the planet carrier 29 that confluxes is by the planetary pinion 20 on it and the small gear 27 that confluxes, output gear 28 cooperating, output gear 28 connects with the planet carrier 83 that confluxes, and the planet carrier 83 that confluxes is by conflux planetary pinion 80 and the output gear 81 on it, conflux small gear 82 cooperating, and output gear 81 connects with output shaft 9.
The input power of motor splits into three tunnels through input shaft 1, the first via, flows into converter coupling 5 by input gear secondary 6, then flows into connection planet carrier 26, and flow into output gearwheel 24 by the planetary pinion 20 on it, then flow into by output gear wheel set 3 planet carrier 29 that confluxes; Second tunnel, flows into line of input carrier 21, and flows into output bull gear 22 by the planetary pinion 20 on it, then flows into the small gear 27 that confluxes; 3rd tunnel, flows into line of input carrier 21, and flows into the little gear ring 23 of output by the planetary pinion 20 on it, then flows into by joining shaft 7 small gear 82 that confluxes.
Because the small gear 27 that confluxes, the planet carrier 29 that confluxes are the elements that conflux, thus flow into the first via conflux planet carrier 29 power and flow into the second tunnel and to conflux the power of small gear 27, conflux in output gear 28, then flow into the planet carrier 83 that confluxes.
Owing to confluxing, small gear 82 and the planet carrier 83 that confluxes are the elements that conflux, so flow into the power of the planet carrier 83 that confluxes and flow into the 3rd tunnel and to conflux the power of small gear 82, conflux in output gear 81, and be delivered to output shaft 9, thus achieve the power of motor is externally exported by output shaft 9.
For the stepless speed variator with converter coupling of the present invention, when the rotating speed of input shaft 1 is constant, moment of torsion on output shaft 9 changes with the change of its rotating speed, rotating speed is lower, moment of torsion on output shaft 9 is larger, otherwise, then less, thus realize the present invention can change moment and the speed stepless speed variator with converter coupling with the difference of vehicle travel resistance.
When the stepless speed variator with converter coupling of the present invention uses, if the input power of motor, input speed and its load constant, namely the rotating speed of input shaft 1 and moment of torsion are constant, before vehicle starting, the rotating speed of output shaft 9 is zero, work as automobile starting, because resistance is larger, and due to the effect of overrunning clutch 4, to conflux planet carrier 29 transfixion, conflux small gear 27 being delivered to this moment of torsion by each element from input shaft 1, be delivered to output gear 28 again, output gear 28 reduction of speed is made to increase square, be delivered to the planet carrier 83 that confluxes again, and conflux in output gear 81 with the moment of torsion being delivered to the small gear 82 that confluxes, finally be delivered to output shaft 9, through power train be transferred to the tractive force that driving wheel produces be enough to overcome vehicle starting resistance time, automobile is then started to walk and is started to accelerate, when increasing power and continuing acceleration or drag reduction, overrunning clutch 4 automatically terminates the control to planet carrier 29 sense of rotation of confluxing, the input end 51 of converter coupling 5 and the speed discrepancy of output terminal 52 constantly reduce, namely the rotating speed of planet carrier 29 of confluxing constantly increases, and converge speed in output gear 28 with the rotating speed of the small gear 27 that confluxes, the rotating speed of output gear 28 is also constantly increased, namely the rotating speed of planet carrier 83 of confluxing also constantly increases, speed of converging with the rotating speed of the small gear 82 that confluxes again is transferred to output shaft 9 in output gear 81, thus achieve the power of motor is externally exported by output shaft 9.