WO2016112807A1

WO2016112807A1 - Composite centripetal turbine type hydraulic torque converter and continuously variable transmission

Info

Publication number: WO2016112807A1
Application number: PCT/CN2016/070216
Authority: WO
Inventors: 吴志强
Original assignee: 吴志强
Priority date: 2015-01-16
Filing date: 2016-01-06
Publication date: 2016-07-21
Also published as: CN107339394A; CN107339396A; CN104653745A; CN104653745B; CN107407389A; HK1211656A1; CN107339395A

Abstract

A composite centripetal turbine type hydraulic torque converter and a continuously variable transmission. An input pinion (22) and an output gear pair (8) are connected to an input shaft (1), a large output gear (23) is connected to a large input gear (26), an output planet carrier (25) is connected to a connection gear pair (6), the connection gear pair (6) is connected to an input planet carrier (27), a small input gear ring (28), an overrun clutch (5), and an input gear pair (7) are connected to an centripetal turbine type hydraulic torque converter (4), the centripetal turbine type hydraulic torque converter (4) is connected to the output gear pair (8), the input gear pair (7) is connected to an input gear (24), and a large output gear ring (29) is connected to an output shaft (3).

Description

Composite radial turbine torque converter and continuously variable transmission

Technical field

The invention belongs to the field of torque converter and shifting, and more particularly to a composite radial turbine torque converter and a continuously variable transmission for various ground vehicles, ships, railway locomotives and machine tools. .

Background technique

At present, the torque converter is designed according to the principles of hydrostatics, etc. It can transmit little power and is not efficient; in addition, the cost is high.

Summary of the invention

The invention overcomes the deficiencies of the prior art, and provides a composite radial turbine torque converter and a continuously variable transmission which are prolonged in service life, simple in structure, convenient in operation, low in cost, energy-saving and high-efficiency.

In order to achieve the object of the present invention, the technical solution adopted by the present invention is as follows:

A compound radial turbine torque converter comprising an input shaft (1), an output shaft (3), a radial turbine torque converter (4), an overrunning clutch (5), and a coupling gear pair ( 6), input gear pair (7), output gear pair (8), between the input shaft (1) and the output shaft (3), a planetary gear (20), a fixed planet carrier (21), and a small input Gear (22), output bull gear (23), input gear (24), output carrier (25), input bull gear (26), input planet carrier (27), input small ring gear (28), output large teeth The ring (29), the input pinion (22) and the input gear (81) of the output gear pair (8) are coupled to the input shaft (1), and the input pinion (22) is passed through the planet gears on the fixed carrier (21) ( 20) Cooperating with the fixed carrier (21) and the output large gear (23), the fixed carrier (21) and the input end (51) of the overrunning clutch (5) are coupled with the fixed component, and the output gear (23) and the input are input. The large gear (26) is coupled, and the input large gear (26) cooperates with the input gear (24) and the output carrier (25) through the planetary gear (20) on the output carrier (25), and outputs the planet carrier (25) and The input gear (61) of the coupling gear pair (6) is coupled, and the coupling teeth The output gear (62) of the sub (6) is coupled to the input carrier (27), and the input planet carrier (27) passes the planetary gear (20) and the input small ring gear (28), and the output large ring gear (29) In cooperation, input the small ring gear (28), the output end (52) of the overrunning clutch (5), and the input gear (71) of the input gear pair (7) and the output of the radial turbine torque converter (4). The end (42) is coupled, the input end (41) of the radial turbine torque converter (4) is coupled to the output gear (82) of the output gear pair (8), and the output gear of the input gear pair (7) (72) ) is coupled to the input gear (24), and the output large ring gear (29) is coupled to the output shaft (3).

A continuously variable transmission of a compound radial turbine torque converter, comprising an input shaft (1), an output shaft (3), a coupling input gear pair (4), a coupling output gear pair (5), an input gear ( 6), overrunning clutch (7), output gear pair (8), radial turbine torque converter (9), coupling gear pair (10), said input shaft (1) and output shaft (3) Planetary gear (20), fixed planet carrier (21), output ring gear (22), input large gear (23), connecting planet carrier (24), input pinion (25), output large gear (26) ), input small ring gear (27), output planet carrier (28), input large ring gear (29), input planet carrier (30), output large ring gear (31), input gear (32), fixed planet carrier ( 21) The planetary gear (20) thereon cooperates with the output ring gear (22) and the input large gear (23), and the fixed carrier (21) and the input end (71) of the overrunning clutch (7) are coupled with the fixed component. The output ring gear (22) is coupled to the input gear (41) of the input input gear pair (4), and the output gear (42) of the input input gear pair (4) is coupled with the coupled carrier (24) to connect the carrier (24) ) through it The planetary gear (20) cooperates with the input pinion (25) and the output large gear (26), the output large gear (26) is coupled with the input small ring gear (27), and the input small ring gear (27) passes through the output carrier ( 28) The upper planetary gear (20) cooperates with the output carrier (28) and the input large ring gear (29), and the output carrier (28) is coupled with the input gear (51) of the coupled output gear pair (5), and is coupled. The output gear (52) of the output gear pair (5) is coupled to the input carrier (30), and the input planetary gear (20) and the output large ring gear (31) and the input gear (32) are coupled to the carrier (30). In cooperation, the output large ring gear (31) is coupled to the output shaft (3), and the input gear (32), the input large gear (23), and the input gear (101) of the coupling gear pair (10) are coupled to the input shaft (1). The output gear (102) of the coupling gear pair (10) is coupled to the input end (91) of the centripetal turbine torque converter (9), the output of the radial turbine torque converter (9) ( 92) coupled to the input gear (81) of the output gear pair (8), the output gear (82) of the output gear pair (8) is coupled to the output end (72) of the overrunning clutch (7) and the input gear (6), input Large ring gear (29) with input pinion (25) and input gear ( 6) Connection.

The components that need to be coupled may be directly connected. When separated by other components, the method of coupling a shaft, a hollow or a coupling frame may be adopted, and may be connected through or across several other components; when the coupled component is When the gears or ring gears are engaged or coupled with each other, the components that do not need to be coupled can be rotated relative to each other.

The gear ratios of the gear pairs and the shifting mechanism are designed according to actual needs.

The torque converter can be selected from a fluid coupling, a pressure motor and a hydraulic pump, and an electromagnetic clutch.

When the present invention is applied to a vehicle, it is possible to automatically change the output torque and the speed change depending on the magnitude of the resistance that the vehicle is subjected to while traveling.

The invention has the following advantages:

(1) Most of the power of the present invention is transmitted by the ring gear, the planetary gear, the carrier, and the gear, so that the transmission power and the transmission efficiency are greatly improved, and the structure is simple and easier to maintain;

(2) The torque and shifting of the present invention are automatically performed, enabling efficient transmission, and in addition to starting, the engine and the starter can be operated in an optimum range, compared with other transmissions, in the engine and On the premise that the starter is equivalent, it reduces the manufacturing cost of the engine and the starter;

(3) The invention makes the engine and the starter operate in the economic speed region, that is, the engine works in the range of the very small pollution discharge speed, and avoids the engine discharging a large amount of exhaust gas during the idle speed and high speed operation, thereby reducing the exhaust gas. Emissions are conducive to protecting the environment;

(4) The invention can utilize the effect of internal speed difference to buffer and overload protection, which is beneficial to prolonging the service life of the engine and the transmission system and the starter. In addition, when the driving resistance is increased, the vehicle can be automatically decelerated, and vice versa. Speed up, which is beneficial to improve the driving performance of the vehicle;

(5) The invention makes the input power uninterrupted, can ensure the vehicle has good acceleration and high average speed, reduces the wear of the engine, prolongs the overhaul interval mileage, and is beneficial to improving productivity.

Further, the present invention is a composite radial turbine torque converter and a continuously variable transmission for various ground vehicles, ships, railway locomotives, and machine tools.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a structural view of a first embodiment of the present invention. FIG. 2 is a structural view of a second embodiment of the present invention. The connection between two components in the drawing uses a thick solid line to indicate a fixed connection, and a thin solid line indicates The two elements can be rotated relative to each other.

detailed description

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

Embodiment 1:

As shown in FIG. 1 , a composite radial turbine torque converter includes an input shaft 1 , an output shaft 3 , a radial turbine torque converter 4 , an overrunning clutch 5 , a coupling gear pair 6 , The input gear pair 7 and the output gear pair 8 are provided with a planetary gear 20, a fixed carrier 21, an input pinion 22, an output large gear 23, an input gear 24, and an output carrier between the input shaft 1 and the output shaft 3. 25. The input large gear 26, the input carrier 27, the input small ring gear 28, the output large ring gear 29, the input pinion 22 and the input gear 81 of the output gear pair 8 are coupled to the input shaft 1, and the input pinion 22 is fixed to the planet. The planetary gear 20 on the frame 21 cooperates with the fixed carrier 21 and the output bull gear 23. The fixed end of the carrier 21 and the overrunning clutch 5 is coupled to the fixed element, and the output large gear 23 is coupled to the input large gear 26, and the input is large. The gear 26 cooperates with the input gear 24 and the output carrier 25 via the planetary gear 20 on the output carrier 25, the output carrier 25 is coupled to the input gear 61 of the coupling gear pair 6, and the output gear 62 of the gear pair 6 is coupled to the input planet. Frame 27 joint, input planet 27, through the planetary gear 20 thereon, cooperates with the input small ring gear 28 and the output large ring gear 29, and inputs the small ring gear 28, the output end 52 of the overrunning clutch 5, and the input gear 71 of the input gear pair 7 and the radial turbine type. The output 42 of the torque converter 4 is coupled, the input 41 of the radial turbine torque converter 4 is coupled to the output gear 82 of the output gear set 8, and the output gear 72 of the input gear set 7 is coupled to the input gear 24. The output large ring gear 29 is coupled to the output shaft 3.

The input gear 24 and the input bull gear 26 converge the power transmitted thereto through the planetary gears 20 on the output carrier 25 to the output carrier 25, and the output carrier 25 is coupled to the input carrier 27 via the coupling gear pair 6, and the input planet The frame 27, the input small ring gear 28, and the power transmitted thereto through the planetary gears 20 on the input carrier 27 are merged to the output large ring gear 29.

Since the speed distribution relationship of each of the above components can be changed, the two power flows will change according to the change of the rotational speed distribution between the two. When the rotational speed of the input gear 24 and the input small ring gear 28 is zero, the input large gear 26 and the input are input. The carrier 27 is slowed down and the torque is increased. When the rotational speed of the input gear 24 and the input small ring gear 28 is continuously increased, the rotational speed of the output carrier 25 and the output large ring gear 29 also increases, that is, when input When the rotational speed of the gear 24 and the input small ring gear 28 changes, the rotational speeds of the output carrier 25, the output large ring gear 29, and the output shaft 3 also change.

The input power is split into two paths via the input shaft 1, and the first path is transmitted to the centripetal turbine torque converter 4 via the input gear pair 8, and the centripetal turbine torque converter 4 is split into two paths. One way flows into the input small ring gear 28, the other path passes through the input gear pair 7, and is transmitted to the input gear 24; the second path is transmitted to the input pinion 22, and the input pinion 22 transmits power through the planetary gear 20 on the fixed carrier 21. To the output bull gear 23, the output bull gear 23 is transferred to the input bull gear 26, and the input gear 24 and the input bull gear 26 pass the power transmitted thereto through the planetary gear 20 on the output carrier 25 to the output carrier 25, and output The carrier 25 is coupled to the input carrier 27 via the coupling gear pair 6, and the input carrier 27, the input small ring gear 28, and the power transmitted thereto through the planetary gears 20 on the input carrier 27 are converged to the output large ring gear. 29, the output large ring gear 29 is transmitted to the output shaft 3, thereby realizing the external output of the engine power through the output shaft 3.

For the present invention, when the rotational speed of the input shaft 1 is constant, the torque on the output carrier 25, the output large ring gear 29, and the output shaft 3 varies with the change of the rotational speed thereof, and the lower the rotational speed is transmitted to the output carrier 25 and the output. The torque on the large ring gear 29 and the output shaft 3 is larger, and conversely, the smaller, in the process, the centripetal turbine torque converter 4 also acts as a torque converter, thereby realizing the present invention with the vehicle. Composite radial turbine fluid with varying torque and speed Force torque converter.

When the invention is used, the input power, the input rotational speed and the load of the engine are constant, that is, the rotational speed and torque of the input shaft 1 are constant, and before the vehicle starts, the rotational speed of the output shaft 3 is zero, and the input power of the engine passes through the input shaft 1 Passing to the input pinion 22, and transmitting power to the output bull gear 23 through the planet gears 20 on the fixed planet carrier 21, and then to the input bull gear 26, wherein there is no power or relatively little power inflow input at this time. The gear 24 is input to the small ring gear 28, and the input end 51 of the overrunning clutch 5 is coupled with the fixed component to restrict the steering, so that the steering of the input gear 24 and the input small ring gear 28 cannot be opposite to the input steering, and the rotational speed is zero. At this time, the power transmitted to the input bull gear 26 is transmitted to the output carrier 25 through the planetary gears 20 on the output carrier 25, and the output carrier 25 is transmitted to the input carrier 27 through the coupling gear pair 6. The input carrier 27 transmits power to the output large ring gear 29 through the planetary gears 20 thereon, and then to the output shaft 3, when the torque transmitted to the output shaft 3 passes through the power train. When the traction generated by the transmission to the drive wheel is sufficient to overcome the starting resistance of the vehicle, the vehicle starts and starts to accelerate, and the rotational speed of the output end 42 of the radial turbine torque converter 4 is gradually increased, and the input gear 24 associated therewith is gradually increased. The rotational speed of the input small ring gear 28 is also gradually increased, so that the torque of the output carrier 25, the output large ring gear 29, and the output shaft 3 is reduced as the number of revolutions increases.

Embodiment 2:

As shown in FIG. 2, a continuously variable transmission of a compound radial turbine torque converter includes an input shaft 1, an output shaft 3, a coupling input gear pair 4, a coupling output gear pair 5, an input gear 6, The overrunning clutch 7, the output gear pair 8, the radial turbine torque converter 9, the coupling gear pair 10, the planetary gear 20, the fixed carrier 21, and the output gear are disposed between the input shaft 1 and the output shaft 3. The ring 22, the input large gear 23, the coupled planet carrier 24, the input pinion 25, the output large gear 26, the input small ring gear 27, the output carrier 28, the input large ring gear 29, the input carrier 30, the output large ring gear 31 The input gear 32, the fixed planet carrier 21 cooperates with the output ring gear 22 and the input large gear 23 through the planetary gear 20 thereon, and the fixed end of the fixed carrier 21 and the overrunning clutch 7 is coupled with the fixed component, and the output ring gear 22 is output. Coupling with the input gear 41 of the input input gear pair 4, the output gear 42 of the input input gear pair 4 is coupled to the coupling carrier 24, and the planetary carrier 20 of the coupling carrier 24 is coupled with the input pinion 25 and the output bull gear 26 via the planetary gear 20 thereon. Work, output large gear 26 and input small The ring gear 27 is coupled, and the input small ring gear 27 cooperates with the output carrier 28 and the input large ring gear 29 through the planetary gear 20 on the output carrier 28, and the output carrier 28 is coupled with the input gear 51 of the coupled output gear pair 5. The output gear 52 of the output output gear pair 5 is coupled to the input carrier 30. The input planet carrier 30 cooperates with the output large ring gear 31 and the input gear 32 via the planetary gear 20 thereon, and the output large ring gear 31 is coupled with the output shaft 3. The input gear 32, the input bull gear 23, and the input gear 101 of the coupling gear pair 10 are coupled to the input shaft 1, and the output gear 102 of the coupling gear pair 10 is coupled to the input end 91 of the centripetal turbine torque converter 9, The output end 92 of the heart turbine type torque converter 9 is coupled to the input gear 81 of the output gear pair 8, and the output gear 82 of the output gear pair 8 is coupled to the output end 72 of the overrunning clutch 7 and the input gear 6 to input a large ring gear. 29 is coupled to the input pinion 25 and the input gear 6.

The connecting planet carrier 24 and the input pinion 25 converge the power transmitted thereto through the planetary gears 20 coupled to the carrier 24 to the output bull gear 26, and the output bull gear 26 is transmitted to the input small ring gear 27, and the input small ring gear 27 The input large ring gear 29 converges the power transmitted thereto through the planetary gears 20 on the output carrier 28 to the output carrier 28. [0021] Since the rotational speed distribution relationship of each of the above components can be changed, the two power flows will change according to the change of the rotational speed distribution between the two, and when the input pinion 25 and the input large ring gear 29 have zero rotational speed, the planetary is coupled. The frame 24 and the input small ring gear 27 reduce the speed and increase the torque. When the input pinion 25 and the input large ring gear 29 continuously increase in speed, the output large gear 26, The rotational speed of the output carrier 28 also increases, that is, when the rotational speed of the input pinion 25 and the input large ring gear 29 changes, the rotational speeds of the output bull gear 26, the output carrier 28, and the output shaft 3 also follow Change.

The input power is split into three paths via the input shaft 1, and the first path is coupled to the input gear pair 10, the radial turbine torque converter 9, the output gear pair 8 and the input gear pair 6, and is transmitted to the input large ring gear 29 The input large ring gear 29 is transmitted to the input pinion 25; the second path is transmitted to the input bull gear 23, and the input large gear 23 transmits power to the output ring gear 22 through the planetary gears 20 on the fixed carrier 21, and the output teeth are output. The ring 22 is again transmitted to the coupling carrier 24 by the coupling input gear pair 4, and the coupling carrier 24 and the input pinion 25 converge the power transmitted thereto to the output bull gear 26 through the planetary gear 20 coupled to the carrier 24, and the output is large. The gear 26 is again transmitted to the input small ring gear 27, the input small ring gear 27, the input large ring gear 29 is passed through the planetary gears 20 on the output carrier 28 to transfer the power transmitted thereto to the output carrier 28, and the output carrier 28 is By coupling the output gear pair 5, it is transmitted to the input carrier 30; the third path is transmitted to the input gear 32, the input carrier 30, the input gear 32 and the power transmitted thereto through the planetary gear 20 on the input carrier 30 Output large ring gear 31 Output ring gear 31 and then transmitted to the output shaft 3, thus achieving the external output power of the engine 3 through the output shaft.

For the present invention, when the rotational speed of the input shaft 1 is constant, the torque on the output bull gear 26, the output carrier 28, and the output shaft 3 varies with the change of the rotational speed thereof, and the lower the rotational speed, the transmission to the output bull gear 26 and the output planet. The torque on the frame 28 and the output shaft 3 is larger, and conversely, the smaller, in the process, the centripetal turbine torque converter 9 also acts as a torque converter, thereby realizing the driving resistance of the present invention with the vehicle. A continuously variable transmission of a composite radial turbine torque converter that varies torque and speed.

When the invention is used, the input power, the input rotational speed and the load of the engine are constant, that is, the rotational speed and torque of the input shaft 1 are constant, and before the vehicle starts, the rotational speed of the output shaft 3 is zero, and the input power of the engine passes through the input shaft 1 Passing to the input bull gear 23, and transmitting power to the output ring gear 22 through the planetary gears 20 on the fixed planet carrier 21, and the output ring gear 22 is transmitted to the coupled planet carrier 24 through the coupled input gear pair 4, wherein When there is no or relatively little power flowing into the input pinion 25, the input large ring gear 29, and the input end 71 of the overrunning clutch 7 is coupled with the fixed element to limit the steering, so that the input pinion 25 and the input large ring gear 29 are The steering cannot be reversed from the input steering, and the rotational speed is zero. At this time, the power transmitted to the coupled carrier 24 is transferred to the output bull gear 26 through the planetary gear 20 thereon, and the output large gear 26 is output. It is transmitted to the input small ring gear 27, and the input small ring gear 27 is connected to the output carrier 28 through the planetary gears 20 on the output carrier 28, and the output carrier 28 is connected through the output. The gear pair 5 is transmitted to the input carrier 30, and the input carrier 30, the input gear 32, and the power transmitted thereto through the planetary gear 20 of the input carrier 30 are merged to the output large ring gear 31, and the output ring gear 31 is retransmitted. To the output shaft 3, when the torque transmitted to the output shaft 3 is transmitted through the transmission system to the drive wheel, the traction force generated is sufficient to overcome the starting resistance of the vehicle, the vehicle starts and starts to accelerate, and the radial turbine torque converter 9 The rotational speed of the output end 92 is also gradually increased, and the rotational speed of the input input pinion 25 and the input large ring gear 29 is gradually increased, so that the torque of the output large gear 26, the output carrier 28, and the output shaft 3 is increased. As the speed increases, it decreases.

Claims

A compound radial turbine torque converter comprising an input shaft (1), an output shaft (3), a radial turbine torque converter (4), an overrunning clutch (5), and a coupling gear pair ( 6) an input gear pair (7) and an output gear pair (8), characterized in that: a planetary gear (20) and a fixed planet carrier (21) are arranged between the input shaft (1) and the output shaft (3). ), input pinion (22), output bull gear (23), input gear (24), output carrier (25), input bull gear (26), input planet carrier (27), input small ring gear (28) The output large gear (29), the input pinion (22) and the input gear (81) of the output gear pair (8) are coupled to the input shaft (1), and the input pinion (22) is fixed to the carrier (21). The planetary gear (20) cooperates with the fixed carrier (21) and the output bull gear (23), and the fixed carrier (21) and the input end (51) of the overrunning clutch (5) are coupled with the fixed component, and the output gear ( 23) coupled with the input large gear (26), the input large gear (26) cooperates with the input gear (24) and the output carrier (25) through the planetary gear (20) on the output carrier (25), and outputs the planet carrier (25) Input gear with coupling gear pair (6) (61) The coupling gear (62) of the coupling gear pair (6) is coupled to the input carrier (27), and the input planet carrier (27) passes through the planetary gear (20) and the input small ring gear (28), and the output is large. The ring gear (29) works together to input the small ring gear (28), the output end (52) of the overrunning clutch (5), and the input gear (71) of the input gear pair (7) and the radial turbine torque converter. The output end (42) of (4) is coupled, the input end (41) of the radial turbine torque converter (4) is coupled with the output gear (82) of the output gear pair (8), and the input gear pair (7) The output gear (72) is coupled to the input gear (24), and the output large ring gear (29) is coupled to the output shaft (3).
A continuously variable transmission of a compound radial turbine torque converter, comprising an input shaft (1), an output shaft (3), a coupling input gear pair (4), a coupling output gear pair (5), an input gear ( 6) an overrunning clutch (7), an output gear pair (8), a radial turbine torque converter (9), and a coupling gear pair (10), characterized in that: the input shaft (1) and the output A planetary gear (20), a fixed planet carrier (21), an output ring gear (22), an input large gear (23), a coupled planet carrier (24), an input pinion (25), and an output are disposed between the shafts (3). Large gear (26), input small ring gear (27), output carrier (28), input large ring gear (29), input planet carrier (30), output large ring gear (31), input gear (32), The fixed planet carrier (21) cooperates with the output ring gear (22) and the input large gear (23) through the planetary gears (20) thereon, and fixes the carrier (21) and the input end (71) of the overrunning clutch (7). Coupling with the fixing element, the output ring gear (22) is coupled with the input gear (41) of the coupling input gear pair (4), and the output gear (42) of the input input gear pair (4) is coupled with the coupling planet carrier (24), and is coupled The planet carrier (24) passes through the planetary gears (20) and the transmission The pinion gear (25) and the output large gear (26) work together, the output large gear (26) is coupled with the input small ring gear (27), and the input small ring gear (27) passes through the planetary gears on the output carrier (28) ( 20) Working with the output carrier (28) and the input large ring gear (29), the output carrier (28) is coupled with the input gear (51) of the coupled output gear pair (5), and is coupled to the output gear pair (5). The output gear (52) is coupled to the input carrier (30), and the input planet carrier (30) cooperates with the output large ring gear (31) and the input gear (32) through the planetary gear (20) thereon, and outputs a large ring gear. (31) coupled to the output shaft (3), the input gear (32), the input large gear (23), and the input gear (101) of the coupling gear pair (10) are coupled to the input shaft (1), and the gear pair (10) is coupled The output gear (102) is coupled to the input end (91) of the centripetal turbine torque converter (9), the output end (92) of the centripetal turbine torque converter (9) and the output gear pair ( 8) The input gear (81) is coupled, the output gear (82) of the output gear pair (8) is coupled with the output end (72) of the overrunning clutch (7) and the input gear (6), and the input large ring gear (29) is The input pinion (25) and the input gear (6) are coupled.