A kind of composite centripetal turbine type hydraulic torque converter and stepless speed variator
Technical field
The invention belongs to fluid torque converter field, more particularly, it is a kind of composite centripetal turbine type hydraulic torque converter and stepless speed variator for various surface cars, 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
The present invention has overcome the deficiencies in the prior art, and is provided a kind of working life that extends motor and power train, simple in structure, the composite centripetal turbine type hydraulic torque converter of efficient energy-saving and stepless speed variator.
In order to realize object of the present invention, below the technical solution used in the present invention:
A kind of composite centripetal turbine type hydraulic torque converter, comprise input shaft (1), output gear wheel set (3), overrunning clutch (4), centripetal turbine formula fluid torque converter (5), input gear pair (6), output shaft (7), between described input shaft (1) and output shaft (7), be provided with planetary pinion (20), fixed carrier (21), input bull gear (22), output gear (23), connect planet carrier (24), fixing bull gear (25), export little gear ring (26), planet carrier (27) confluxes, gear (28) confluxes, output gear (29), the input gear (61) of input bull gear (22) and input gear pair (6) connects with input shaft (1), fixed carrier (21) is by the planetary pinion (20) on it and input bull gear (22), output gear (23) cooperating, output gear (23) connects with the gear that confluxes (28), the output gear (62) of input gear pair (6) connects with the input end (51) of centripetal turbine formula fluid torque converter (5), the output terminal (52) of centripetal turbine formula fluid torque converter (5) connects with the input gear (31) of the input end (41) of overrunning clutch (4) and output gear wheel set (3), the output terminal (42) of overrunning clutch (4), fixed carrier (21) and fixing bull gear (25) connect with fixed element, the output gear (32) of output gear wheel set (3) with connect planet carrier (24) connect, connect planet carrier (24) by the planetary pinion (20) on it and fixing bull gear (25), export little gear ring (26) cooperating, exporting little gear ring (26) connects with the planet carrier that confluxes (27), conflux planet carrier (27) by the planetary pinion on it (20) and the gear (28) that confluxes, output gear (29) cooperating, output gear (29) connects with output shaft (7).
A kind of stepless speed variator of composite centripetal turbine type hydraulic torque converter, comprise input shaft (1), gear pair (4) confluxes, output gear wheel set (5), overrunning clutch (6), centripetal turbine formula fluid torque converter (7), input gear pair (8), output shaft (9), between described input shaft (1) and output shaft (9), be provided with planetary pinion (20), fixed carrier (21), input bull gear (22), output pinion (23), connect output gear (24), connect bull gear (25), connect input planet carrier (26), planet carrier (27) confluxes, gear ring (28) confluxes, output gear (29) confluxes, planetary pinion (30) confluxes, little gear ring (31) confluxes, bull gear (32) confluxes, output planetary frame (33) confluxes, the input gear (81) of input bull gear (22) and input gear pair (8) connects with input shaft (1), input planet carrier (21) is by the planetary pinion (20) on it and input bull gear (22), output pinion (23) cooperating, output pinion (23) connects with the planet carrier that confluxes (27), the output gear (82) of input gear pair (8) connects with the input end (71) of the input gear (41) of the gear pair that confluxes (4) and centripetal turbine formula fluid torque converter (7), the output gear (42) of gear pair (4) of confluxing connects with the bull gear that confluxes (32), the output terminal (72) of centripetal turbine formula fluid torque converter (7) connects with the input gear (51) of the input end (61) of overrunning clutch (6) and output gear wheel set (5), the output terminal (62) of overrunning clutch (6), fixed carrier (21) and connection bull gear (25) connect with fixed element, the output gear (52) of output gear wheel set (5) with connect input planet carrier (26) connect, connect input planet carrier (26) by the planetary pinion (20) on it with connect output gear (24), connect bull gear (25) cooperating, connecting output gear (24) connects with the gear ring that confluxes (28), conflux planet carrier (27) by the planetary pinion on it (20) and the gear ring (28) that confluxes, output gear (29) cooperating confluxes, the output gear (29) that confluxes connects with the little gear ring (31) that confluxes, conflux output planetary frame (33) by the planetary pinion that confluxes (30) on it and the little gear ring (31) that confluxes, bull gear (32) cooperating confluxes, the output planetary frame (33) that confluxes connects with output shaft (9).
Two elements that needs connect, can select direct connection, passed other element or striden across other element by the mode of connecting rod by the mode of quill shaft, and the element that two needs are connected links together.
When the present invention is applied to vehicle, can be according to Vehicle Driving Cycle time, be subject to the size of resistance, automatically change the variation of output torque and speed.
The present invention has advantages of following:
(1) power of the present invention is by gear ring, planetary pinion, planet carrier, gear transmission, thereby transmission power and transmission efficiency all greatly improve, and simple in structure, is easier to maintenance;
(2) bending moment of the present invention and speed change complete automatically, can realize high efficiency transmission, and except starting, can make motor work in optimum range, compared with other speed changer, under the prerequisite of motor equivalence, it has reduced the manufacture cost of motor;
(3) the present invention is turned round motor in economic speed region, namely in the speed range of very little disposal of pollutants, work, avoided motor in the time of idling and high speed operation, discharge large quantity of exhaust gas, thereby reduce 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 extend the working life of motor and power train, in addition, when running resistance increases, can make the automatic reduction of speed of vehicle, otherwise raising speed is conducive to improve the rideability of vehicle;
(5) the present invention makes input power uninterrupted, can ensure that vehicle has good acceleration and higher average speed, and the wearing and tearing of motor are reduced, and has extended interval mileage of major repair, has improved bus dispatching rate, is conducive to boost productivity.
In addition, the present invention is a kind of composite centripetal turbine type hydraulic torque converter and stepless speed variator that also can be used for various surface cars, boats and ships, railway locomotive, engineering machinery, various metallurgy, mine, oil, chemical industry, light industry, food, weaving, handling machinery, lathe, robot and military project.
Brief description of the drawings
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, uses heavy line to represent to be fixedly connected with, and 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 composite centripetal turbine type hydraulic torque converter, comprises input shaft 1, output gear wheel set 3, overrunning clutch 4, centripetal turbine formula fluid torque converter 5, input gear pair 6, output shaft 7, is provided with planetary pinion 20 between described input shaft 1 and output shaft 7, fixed carrier 21, input bull gear 22, output gear 23, connect planet carrier 24, fixing bull gear 25, export little gear ring 26, planet carrier 27 confluxes, gear 28 confluxes, output gear 29, the input gear 61 of input bull gear 22 and input gear pair 6 connects with input shaft 1, and fixed carrier 21 is by the planetary pinion 20 on it and input bull gear 22, output gear 23 cooperatings, output gear 23 connects with the gear 28 that confluxes, the output gear 62 of input gear pair 6 connects with the input end 51 of centripetal turbine formula fluid torque converter 5, the output terminal 52 of centripetal turbine formula fluid torque converter 5 connects with the input gear 31 of the input end 41 of overrunning clutch 4 and output gear wheel set 3, the output terminal 42 of overrunning clutch 4, fixed carrier 21 and fixing bull gear 25 connect with fixed element, the output gear 32 of output gear wheel set 3 with connect planet carrier 24 and connect, connect planet carrier 24 by planetary pinion 20 and fixing bull gear 25 on it, export little gear ring 26 cooperatings, export little gear ring 26 and connect with the planet carrier 27 that confluxes, the planet carrier 27 that confluxes is by the planetary pinion 20 on it and the gear 28 that confluxes, output gear 29 cooperatings, output gear 29 connects with output shaft 7.
The input power of motor splits into two-way through input shaft 1, and the first via flows into input bull gear 22, and flows into output gear 23 by the planetary pinion 20 in fixed carrier 21, then flows into the gear 28 that confluxes; The second tunnel, flows into centripetal turbine formula fluid torque converter 5 by input gear secondary 6, then is flowed into and connected planet carrier 24 by output gear wheel set 3, connects planet carrier 24 and flows into the little gear ring 26 of output by the planetary pinion 20 on it, then flow into the planet carrier 27 that confluxes.
Owing to confluxing, planet carrier 27 and the gear 28 that confluxes are the elements that conflux, so flow into the first via conflux gear 28 power and flow into the conflux power of planet carrier 27 of the second tunnel, conflux in output gear 29, and be delivered to output shaft 7, thereby realized, the power of motor is externally exported by output shaft 7.
For composite centripetal turbine type hydraulic torque converter of the present invention, when the rotating speed of input shaft 1 constant, moment of torsion on output shaft 7 changes with the variation of its rotating speed, rotating speed is lower, moment of torsion on output shaft 7 is just larger, otherwise, less, thus realize the present invention and can change with the difference of Vehicle Driving Cycle resistance the composite centripetal turbine type hydraulic torque converter of moment and speed.
When composite centripetal turbine type hydraulic torque converter of the present invention uses, if the input power of motor, input speed with and load constant, the rotating speed and the moment of torsion that are input shaft 1 are constant, before vehicle starting, the rotating speed of output shaft 7 is zero, work as automobile starting, because of resistance larger, and due to the effect of overrunning clutch 4, planet carrier 27 transfixions of confluxing, conflux 28 of gears be delivered to this moment of torsion by each element from input shaft 1, be delivered to again output gear 29, make output gear 29 reductions of speed increase square, and be delivered to output shaft 7, in the time that power train is transferred to the tractive force producing on driving wheel and is enough to overcome vehicle starting resistance, automobile starts to walk and starts to accelerate, in the time increasing power continuation acceleration or drag reduction, overrunning clutch 4 automatically terminates the control to planet carrier 27 sense of rotation of confluxing, the input end 51 of centripetal turbine formula fluid torque converter 5 and the speed discrepancy of output terminal 52 constantly reduce, the rotating speed of planet carrier 27 of confluxing constantly increases, and converge speed in output gear 29 with the rotating speed of the gear 28 that confluxes, the rotating speed of output gear 29 is also constantly increased, and be transferred to output shaft 7, thereby realized, the power of motor is externally exported by output shaft 7.
Embodiment two:
As shown in Figure 2, a kind of stepless speed variator of composite centripetal turbine type hydraulic torque converter, comprises input shaft 1, gear pair 4 confluxes, output gear wheel set 5, overrunning clutch 6, centripetal turbine formula fluid torque converter 7, input gear pair 8, output shaft 9, is provided with planetary pinion 20 between described input shaft 1 and output shaft 9, fixed carrier 21, input bull gear 22, output pinion 23, connect output gear 24, connect bull gear 25, connect input planet carrier 26, planet carrier 27 confluxes, gear ring 28 confluxes, output gear 29 confluxes, planetary pinion 30 confluxes, little gear ring 31 confluxes, bull gear 32 confluxes, the output planetary frame 33 that confluxes, the input gear 81 of input bull gear 22 and input gear pair 8 connects with input shaft 1, input planet carrier 21 by the planetary pinion 20 on it with input bull gear 22, output pinion 23 cooperatings, output pinion 23 connects with the planet carrier 27 that confluxes, the output gear 82 of input gear pair 8 connects with the input gear 41 of the gear pair 4 that confluxes and the input end 71 of centripetal turbine formula fluid torque converter 7, the output gear 42 of gear pair 4 of confluxing connects with the bull gear 32 that confluxes, the output terminal 72 of centripetal turbine formula fluid torque converter 7 connects with the input gear 51 of the input end 61 of overrunning clutch 6 and output gear wheel set 5, the output terminal 62 of overrunning clutch 6, fixed carrier 21 and connect bull gear 25 and connects with fixed element, the output gear 52 of output gear wheel set 5 is inputted planet carrier 26 and is connected with connecting, and connection is inputted planet carrier 26 and is passed through planetary pinion 20 on it and connect output gear 24, connect bull gear 25 cooperatings, connect output gear 24 and connect with the gear ring 28 that confluxes, the planet carrier 27 that confluxes is by the planetary pinion 20 on it and the gear ring 28 that confluxes, output gear 29 cooperatings that conflux, the output gear 29 that confluxes connects with the little gear ring 31 that confluxes, conflux output planetary frame 33 by it conflux planetary pinion 30 with conflux little gear ring 31, bull gear 32 cooperatings that conflux, the output planetary frame 33 that confluxes connects with output shaft 9.
The input power of motor splits into three tunnels through input shaft 1, and the first via flows into input bull gear 22, and flows into output pinion 23 by the planetary pinion 20 in fixed carrier 21, then flows into the planet carrier 27 that confluxes; The second tunnel, flow into centripetal turbine formula fluid torque converter 7 by input gear secondary 8, flow into and connect input planet carrier 26 by output gear wheel set 5 again, connect input planet carrier 26 and flow into and connect output gear 24 by the planetary pinion 20 on it, then flow into the gear ring 28 that confluxes; Third Road, flows into by input gear secondary 8 gear pair 4 that confluxes, then flows into the bull gear 32 that confluxes.
Because the planet carrier 27 that confluxes, the gear ring 28 that confluxes are the elements that conflux, thus flow into the first via conflux planet carrier 27 power and flow into the conflux power of gear ring 28 of the second tunnel, conflux in the output gear 29 that confluxes, then flow into the little gear ring 31 that confluxes.
Owing to confluxing, little gear ring 31 and the bull gear 32 that confluxes are the elements that conflux, so flow into the power of the little gear ring 31 that confluxes and flow into the conflux power of bull gear 32 of Third Road, conflux in the output planetary frame 33 that confluxes, and be delivered to output shaft 9, thereby realized, the power of motor is externally exported by output shaft 9.
For the stepless speed variator of composite centripetal turbine type hydraulic torque converter of the present invention, when the rotating speed of input shaft 1 constant, moment of torsion on output shaft 9 changes with the variation of its rotating speed, rotating speed is lower, moment of torsion on output shaft 9 is just larger, otherwise, less, thus realize the present invention and can change with the difference of Vehicle Driving Cycle resistance the stepless speed variator of the composite centripetal turbine type hydraulic torque converter of moment and speed.
When the stepless speed variator of composite centripetal turbine type hydraulic torque converter of the present invention uses, if the input power of motor, input speed with and load constant, the rotating speed and the moment of torsion that are input shaft 1 are constant, before vehicle starting, the rotating speed of output shaft 9 is zero, work as automobile starting, because of resistance larger, and due to the effect of overrunning clutch 6, gear ring 28 transfixions of confluxing, conflux 27 of planet carriers be delivered to this moment of torsion by each element from input shaft 1, be delivered to again the output gear 29 that confluxes, output gear 29 reductions of speed that make to conflux increase square, be delivered to again the little gear ring 31 that confluxes, and conflux in the output planetary frame 33 that confluxes with the moment of torsion that is delivered to the small gear 32 that confluxes, finally be delivered to output shaft 9, in the time that power train is transferred to the tractive force producing on driving wheel and is enough to overcome vehicle starting resistance, automobile starts to walk and starts to accelerate, in the time increasing power continuation acceleration or drag reduction, overrunning clutch 6 automatically terminates the control to gear ring 28 sense of rotation of confluxing, the input end 71 of centripetal turbine formula fluid torque converter 7 and the speed discrepancy of output terminal 72 constantly reduce, the rotating speed of gear ring 28 of confluxing constantly increases, and converge speed in the output gear 29 that confluxes with the rotating speed of the planet carrier 27 that confluxes, the rotating speed of output gear 29 of making to conflux also constantly increases, conflux little gear ring 31 rotating speed also constantly increase, converge speed in the output planetary frame 33 that confluxes with the rotating speed of the bull gear 32 that confluxes again, and be transferred to output shaft 9, thereby realized, the power of motor is externally exported by output shaft 9.