WO2016112802A1

WO2016112802A1 - Composite adjustable hydraulic torque converter and continuously variable transmission

Info

Publication number: WO2016112802A1
Application number: PCT/CN2016/070211
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: CN105402352A; HK1211658A1; CN105333090A; HK1222438A1; CN104728384A; CN104728384B; CN107250616A; HK1216339A1

Abstract

A composite adjustable hydraulic torque converter. An output planet carrier (21) is connected to an input pinion (25), an external meshing planet carrier (24) is connected to a small input gear ring (28), an internal meshing planet carrier (27) is connected to an output shaft (3), a large input gear ring (29) is connected to a large input gear (26) and a connection gear (4), the connection gear (4) and an overrun clutch (5) are connected to an adjustable hydraulic torque converter (6), the adjustable hydraulic torque converter (6) is connected to an input gear pair (7), and an input pinion (23) and the input gear pair (7) are connected to an input shaft (1). In addition, also provided is a continuously variable transmission of a composite adjustable hydraulic torque converter.

Description

Compound adjustable hydraulic torque converter and continuously variable transmission

Technical field

The invention belongs to the field of torque converters and shifting, and more particularly to a composite adjustable 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 compound adjustable hydraulic torque converter and a continuously variable transmission which have the advantages of shortening the service life of the engine, simple structure, convenient operation, low 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 adjustable hydraulic torque converter comprising an input shaft (1), an output shaft (3), a coupling gear (4), an overrunning clutch (5), an adjustable hydraulic torque converter (6), an input gear In the sub (7), a planetary gear (20), an output carrier (21), a fixed ring gear (22), an input gear (23), and an outer portion are disposed between the input shaft (1) and the output shaft (3). Engagement planet carrier (24), input pinion (25), input bull gear (26), internal mesh carrier (27), input small ring gear (28), input large ring gear (29), output planet carrier (21 The planetary gear (20) on it cooperates with the fixed ring gear (22) and the input gear (23), and the fixed ring gear (22) and the input end (51) of the overrunning clutch (5) are coupled with the fixed component, and the output is output. The planet carrier (21) is coupled to the input pinion (25), and the outer meshing planet carrier (24) cooperates with the input pinion (25) and the input large gear (26) through the planetary gear (20) thereon, and the external meshing planet The frame (24) is coupled with the input small ring gear (28), and the inner meshing planet carrier (27) cooperates with the input small ring gear (28) and the input large ring gear (29) through the planetary gear (20) thereon. The meshing planet carrier (27) is coupled to the output shaft (3), and the input large ring gear (29) and the input The large gear (26) and the coupling gear (4) are coupled, the coupling gear (4) and the output end (52) of the overrunning clutch (5) are coupled to the output end (62) of the adjustable torque converter (6), The input end (61) of the liquid torque converter (6) is coupled to the output gear (72) of the input gear pair (7), the input pinion (23) and the input gear (71) of the input gear pair (7) are The input shaft (1) is connected.

A continuously variable transmission of a compound adjustable torque converter, comprising an input shaft (1), an output shaft (3), an adjustable hydraulic torque converter (4), an overrunning clutch (5), and an input gear pair ( 6), the output gear pair (7), between the input shaft (1) and the output shaft (3) is provided with a planetary gear (20), a fixed planet carrier (21), an input pinion (22), and a large output. Gear (23), input carrier (24), coupling gear (25), output ring gear (26), coupling pinion (27), external mesh carrier (28), coupling large gear (29), output carrier (30), input ring gear (31), input gear (32), fixed planet carrier (21) through the planetary gear (20) on it and the input pinion (22), the output gear (23) work together, fixed The carrier (21) and the input end (51) of the overrunning clutch (5) are coupled to the fixed element, the output large gear (23) is coupled to the coupling gear (25), and the coupling gear (25) is passed through the input carrier (24) The planetary gear (20) cooperates with the input carrier (24) and the output ring gear (26), the output ring gear (26) is coupled with the coupling pinion (27), and the coupling pinion (27) is passed through the external mesh carrier (28). Planetary gear (20) on the outer meshing planet carrier (28), Then the large gear (29) cooperating, engaging the outer carrier (28) and the input ring gear (31) is coupled, the input ring gear (31) through an output planet gear carrier (20) (30) and an output planet carrier (30) The input gear (32) cooperates, the output carrier (30) is coupled with the output shaft (3), the input gear (32), the input pinion (22), and the input gear of the output gear pair (7) (71) ) is coupled to the input shaft (1), the output gear (72) of the output gear pair (7) is coupled to the input end (41) of the adjustable torque converter (4), and the adjustable torque converter (4) The output end (42) is coupled to the output end (52) of the overrunning clutch (5) and the input gear (61) of the input gear pair (6), and the input gear (62) of the input gear pair (6) is coupled to the input carrier ( 24) Coupling, the input planet carrier (24) is coupled to the coupling bull gear (29).

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 replaced by 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 adjustable hydraulic 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 Figure 1, a composite adjustable torque converter includes an input shaft 1, an output shaft 3, a coupling gear 4, and a transcendental a clutch 5, an adjustable torque converter 6, an input gear pair 7, between the input shaft 1 and the output shaft 3, a planetary gear 20, an output carrier 21, a fixed ring gear 22, an input gear 23, and an outer The meshing carrier 24, the input pinion 25, the input bull gear 26, the internal meshing carrier 27, the input small ring gear 28, the input large ring gear 29, the planetary gear 20 and the fixed ring gear 22 through which the output carrier 21 passes, The input gear 23 cooperates, the fixed ring gear 22 and the input end 51 of the overrunning clutch 5 are coupled to the fixed element, the output carrier 21 is coupled to the input pinion 25, and the outer gear carrier 24 passes the planetary gear 20 and the input pinion 25, the input large gear 26 cooperates, the outer meshing planet carrier 24 is coupled with the input small ring gear 28, and the inner meshing planet carrier 27 cooperates with the input small ring gear 28 and the input large ring gear 29 through the planetary gear 20 thereon. The meshing carrier 27 is coupled to the output shaft 3, the input large ring gear 29 is coupled to the input bull gear 26 and the coupling gear 4, the coupling gear 4 and the output 52 of the overrunning clutch 5 and the output 62 of the adjustable torque converter 6 Coupling, input 61 of the adjustable torque converter 6 The output gear 72 of the gear pair 7 is coupled, the input pinion 23 and the input gear 71 of the input gear pair 7 is coupled with the input shaft 1.

The input pinion 25 and the input bull gear 26 fuse the power transmitted thereto through the planetary gears 20 on the external meshing carrier 24 to the external meshing carrier 24, and the external meshing carrier 24 is transmitted to the input small ring gear 28, and the input is small. The ring gear 28, the input large ring gear 29, and the power transmitted thereto by the planetary gears 20 on the internal meshing carrier 27 are merged with the internal meshing planet carrier 27.

Since the speed distribution relationship of the above various components can be changed, the two power flows will vary according to the change of the rotational speed distribution between the two. When the input large gear 26 and the input large ring gear 29 have a rotational speed of zero, the external meshing carrier 24 The internal meshing carrier 27 is reduced in speed, and when the input large gear 26 and the input large ring gear 29 are continuously increased in speed, the rotational speeds of the external meshing carrier 24 and the internal meshing carrier 27 also increase. That is, when the rotational speed of the input large gear 26 and the input large ring gear 29 changes, the rotational speeds of the external meshing carrier 24, the internal meshing carrier 27, and the output shaft 3 also change.

The input power is divided into two paths through the input shaft 1, one through the input gear pair 7, the torque converter 6 and the coupling gear 4, and then transmitted to the input large ring gear 29, the input large gear 26; the other is transmitted to the input The pinion gear 23, the input pinion gear 23 transmits power to the output carrier 21 through the planetary gears 20 on the output carrier 21, the output carrier 21 is transmitted to the input pinion 25, the input pinion 25, and the input bull gear 26 pass. The planetary gears 20 on the outer meshing planet carrier 24 converge the power transmitted thereto to the outer meshing planet carrier 24, and the outer meshing planet carrier 24 is transferred to the input small ring gear 28, the small ring gear 28 is input, and the large ring gear 29 is input. The power transmitted thereto is converged to the internal meshing carrier 27 by the planetary gears 20 on the internal meshing carrier 27, and the internal meshing carrier 27 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 external meshing carrier 24, the internal meshing carrier 27, and the output shaft 3 varies with the change of the rotational speed thereof, and the lower the rotational speed, the transmission to the external meshing carrier 24 The torque on the inner meshing carrier 27 and the output shaft 3 is larger, and conversely, the smaller, in the process, the adjustable torque converter 6 also acts as a torque converter, thereby realizing the invention with the vehicle. A compound adjustable torque converter that changes torque and speed with different running resistance.

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 And transmitted to the input pinion 23, and then the power is transmitted to the output carrier 21 through the planetary gears 20 on the output carrier 21, and then transmitted to the input pinion 25, wherein there is no or relatively little power inflow input at this time. The gear 26 is input to the large ring gear 29, and the input end 51 of the overrunning clutch 5 is coupled with the fixed element to restrict the steering, so that the steering of the input large gear 26 and the input large ring gear 29 cannot be opposite to the input steering, and the rotation speed is Zero, at this time, the power delivered to the input pinion 25, The power is transmitted to the outer meshing planet carrier 24 via the planet gears 20 on the outer meshing planet carrier 24, the outer meshing planet carrier 24 is transferred to the input small ring gear 28, and the input small ring gear 28 is passed through the inner mesh planet carrier 27. The planetary gear 20 transmits power to the internal meshing carrier 27 and then to the output shaft 3. When the torque transmitted to the output shaft 3 is transmitted through the transmission system to the driving wheel, the traction force is sufficient to overcome the starting resistance of the vehicle, and the vehicle is Starting and starting to accelerate, the rotational speed of the output end 62 of the adjustable torque converter 6 is also gradually increased, and the rotational speed of the input large gear 26 and the input large ring gear 29 is also gradually increased, thereby making the external meshing The torque of the carrier 24, the internal meshing carrier 27, and the output shaft 3 decreases as the number of revolutions increases.

Embodiment 2:

As shown in FIG. 2, a continuously variable transmission of a composite adjustable torque converter includes an input shaft 1, an output shaft 3, an adjustable hydraulic torque converter 4, an overrunning clutch 5, an input gear pair 6, An output gear pair 7, between the input shaft 1 and the output shaft 3, a planetary gear 20, a fixed carrier 21, an input pinion 22, an output bull gear 23, an input carrier 24, a coupling gear 25, and an output ring gear are disposed. 26, the coupling pinion 27, the outer meshing carrier 28, the coupling large gear 29, the output carrier 30, the input ring gear 31, the input gear 32, the planetary carrier 20 and the input pinion 22 through which the carrier 21 is fixed, and the output The large gear 23 cooperates, the fixed carrier 21 and the input end 51 of the overrunning clutch 5 are coupled to the fixed element, the output large gear 23 is coupled to the coupling gear 25, and the coupling gear 25 is passed through the planetary gear 20 and the input carrier on the input carrier 24. 24, the output ring gear 26 cooperates, the output ring gear 26 is coupled with the coupling pinion 27, and the coupling pinion 27 cooperates with the external meshing carrier 28 and the coupling large gear 29 through the planetary gear 20 on the external meshing carrier 28, Engage the planet carrier 28 with input teeth The ring 31 is coupled, the input ring gear 31 cooperates with the output carrier 30 and the input gear 32 through the planetary gear 20 on the output carrier 30, the output carrier 30 is coupled with the output shaft 3, the input gear 32, the input pinion 22 and the output The input gear 71 of the gear pair 7 is coupled to the input shaft 1, and the output gear 72 of the output gear pair 7 is coupled to the input end 41 of the adjustable torque converter 4, and the output end 42 of the adjustable torque converter 4 is transposed The output end 52 of the clutch 5 and the input gear 61 of the input gear pair 6 are coupled, the output gear 62 of the input gear pair 6 is coupled to the input carrier 24, and the input carrier 24 is coupled to the coupling large gear 29.

The input carrier 24 and the coupling gear 25 pass the power transmitted thereto through the planetary gear 20 on the input carrier 24 to the output ring gear 26, and the output ring gear 26 is transmitted to the coupling pinion 27, the coupling pinion 27, and the coupling is large. The gear 29 then converges the power transmitted thereto through the planet gears 20 on the outer meshing planet carrier 28 to the outer mesh planet carrier 28.

Since the speed distribution relationship of the above various 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 carrier 24 and the coupling large gear 29 is zero, the coupling gear 25 and the connection are small. The gear 27 is reduced in speed, and when the rotational speed of the input carrier 24 and the coupling large gear 29 is continuously increased, the rotational speed of the coupling gear 25 and the coupling pinion 27 also increases, that is, when the input carrier 24 is input. When the rotational speed of the coupling large gear 29 changes, the rotational speeds of the output ring gear 26, the external meshing carrier 28, and the output shaft 3 also change.

The input power is split into three paths via the input shaft 1, and the first path is output to the input carrier 24 via the output gear pair 7, the torque converter 4, and the input gear pair 6, and then transmitted to the coupled gear 29; The two paths are transmitted to the input pinion 22, and the input pinion 22 transmits power to the output bull gear 23 through the planetary gears 20 on the fixed carrier 21, and the output large gear 23 is transmitted to the coupling gear 25, the coupling gear 25, and the input planet. The frame 24 merges the power transmitted thereto through the planetary gears 20 on the input carrier 24 to the output ring gear 26, and the output ring gear 26 is transmitted to the coupling pinion 27, the coupling pinion 27, the coupling gear 29 and the external meshing. The planetary gears 20 on the planet carrier 28 converge the power transmitted thereto to the external meshing carrier 28, and the external meshing carrier 28 is transmitted to the input ring gear 31; the third path is transmitted to the input gear 32, the input gear 32, and the input teeth. The ring 31 is again passed through the planetary gear 20 on the output carrier 30 to transfer the power sink thereto. Flowing on the output carrier 30, the output carrier 30 is transferred to the output shaft 3, thereby achieving 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 ring gear 26, the external meshing planet carrier 28, 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 ring gear 26, The torque on the meshing planet carrier 28 and the output shaft 3 is larger, and conversely, the smaller, in the process, the adjustable torque converter 4 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 adjustable 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 And transmitted to the input pinion 22, and then the power is transmitted to the output bull gear 23 through the planetary gear 20 on the fixed carrier 21, and then transmitted to the coupling gear 25, wherein no power or less is flowed into the input carrier at this time. 24. The large gear 29 is coupled, and the input end 51 of the overrunning clutch 5 is coupled to the fixed component to restrict the steering, so that the steering of the input carrier 24 and the coupling large gear 29 cannot be opposite to the input steering, and the rotational speed is zero. At the time, the power transmitted to the coupling gear 25 is transmitted to the output ring gear 26 through the planetary gears 20 on the input carrier 24, the output ring gear 26 is transmitted to the coupling pinion 27, and the coupling pinion 27 is again meshed. The planetary gears 20 on the planet carrier 28 transmit power to the outer meshing planet carrier 28, the outer meshing planet carrier 28 is transferred to the input ring gear 31, the input ring gear 31, the input gear 32 and the input gear 32 The planetary gears 20 of the carrier 30 converge the power transmitted thereto to the output carrier 30, and the output carrier 30 is transmitted to the output shaft 3, and the torque transmitted to the output shaft 3 is transmitted to the drive wheels via the transmission system. When the traction force is sufficient to overcome the starting resistance of the automobile, the automobile starts and starts to accelerate, and the rotational speed of the output terminal 42 of the adjustable torque converter 4 is gradually increased, and the rotational speed of the input planetary carrier 24 and the coupled large gear 29 is also connected. This is gradually increased, so that the torque of the output ring gear 26, the outer mesh carrier 28, and the output shaft 3 decreases as the number of revolutions increases.

Claims

A compound adjustable hydraulic torque converter comprising an input shaft (1), an output shaft (3), a coupling gear (4), an overrunning clutch (5), an adjustable hydraulic torque converter (6), an input gear a pair (7), characterized in that: between the input shaft (1) and the output shaft (3), a planetary gear (20), an output carrier (21), a fixed ring gear (22), and an input gear ( 23), external meshing carrier (24), input pinion (25), input large gear (26), internal meshing carrier (27), input small ring gear (28), input large ring gear (29), output The planet carrier (21) cooperates with the fixed ring gear (22) and the input gear (23) through the planetary gears (20) thereon, and fixes the ring gear (22) and the input end (51) of the overrunning clutch (5) and fixes The components are coupled, the output carrier (21) is coupled to the input pinion (25), and the external meshing carrier (24) cooperates with the input pinion (25) and the input bull gear (26) through the planetary gears (20) thereon. The outer meshing carrier (24) is coupled to the input small ring gear (28), the inner meshing planet carrier (27) passes the planetary gear (20) and the input small ring gear (28), and the input large ring gear (29) In cooperation, the internal meshing carrier (27) is coupled to the output shaft (3), and the input is large. The ring gear (29) is coupled to the input bull gear (26) and the coupling gear (4), and the output of the coupling gear (4) and the overrunning clutch (5) (52) and the output of the adjustable torque converter (6) The end (62) is coupled, the input end (61) of the adjustable torque converter (6) is coupled to the output gear (72) of the input gear pair (7), the input pinion (23) and the input gear pair (7) The input gear (71) is coupled to the input shaft (1).
A continuously variable transmission of a compound adjustable torque converter, comprising an input shaft (1), an output shaft (3), an adjustable hydraulic torque converter (4), an overrunning clutch (5), and an input gear pair ( 6) An output gear pair (7), characterized in that: between the input shaft (1) and the output shaft (3), a planetary gear (20), a fixed planet carrier (21), and an input pinion (22) are provided. ), output large gear (23), input carrier (24), coupling gear (25), output ring gear (26), coupling pinion (27), external meshing carrier (28), connecting large gear (29) , an output carrier (30), an input ring gear (31), an input gear (32), a planetary gear (20) through which the carrier (21) is fixed, an input pinion (22), and an output gear (23) In cooperation, the fixed carrier (21) and the input end (51) of the overrunning clutch (5) are coupled to the fixed element, the output large gear (23) is coupled to the coupling gear (25), and the coupling gear (25) is passed through the input carrier ( 24) The upper planetary gear (20) cooperates with the input carrier (24) and the output ring gear (26), the output ring gear (26) is coupled with the coupling pinion (27), and the coupling pinion (27) is externally engaged. Planetary gear (20) on the planet carrier (28) and external The planet carrier (28) and the coupling large gear (29) cooperate, the external mesh carrier (28) is coupled with the input ring gear (31), and the input ring gear (31) passes through the planetary gears on the output carrier (30) (20) Working with the output carrier (30) and the input gear (32), the output carrier (30) is coupled to the output shaft (3), the input gear (32), the input pinion (22), and the output gear pair (7) The input gear (71) is coupled to the input shaft (1), and the output gear (72) of the output gear pair (7) is coupled to the input end (41) of the adjustable torque converter (4), and the adjustable hydraulic force is changed. The output end (42) of the torque device (4) is coupled to the output end (52) of the overrunning clutch (5) and the input gear (61) of the input gear pair (6), and the output gear (62) of the input gear pair (6) Coupled with the input planet carrier (24), the input planet carrier (24) is coupled to the coupling bull gear (29).