CN202952825U

CN202952825U - Energy-saving transfer case for hybrid electric vehicles

Info

Publication number: CN202952825U
Application number: CN201220567388XU
Authority: CN
Inventors: 王立华
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-23
Filing date: 2012-10-23
Publication date: 2013-05-29
Anticipated expiration: 2022-10-23

Abstract

The utility model relates to an energy-saving transfer case for hybrid electric vehicles. The energy-saving transfer case is characterized by comprising a transfer case casing mounted between a vehicle transmission and an engine; a hydraulic clutch and a second clutch are mounted in the casing, the hydraulic clutch controls connection and disconnection of a first shaft and a second shaft, and the second clutch controls connection and disconnection of the second shaft and a third shaft. When one power source is connected while the other power source is to be involved, an electric control component controls friction connection of the hydraulic clutch component to be completed.

Description

The energy-conservation auxiliary gear box of hybrid vehicle

Technical field

The utility model relates to a kind of on hybrid vehicle, for power conversion, transmission and control, i.e. and the energy-conservation auxiliary gear box of hybrid vehicle.

Background technology

Rely on scientific and technological advances and autonomous innovation, unremitting propulsion energy-saving reduction of discharging is the important state basic policy during " 12 ".Hybrid vehicle be present stage fuel automobile to the product of electronlmobil transition, energy-saving and emission-reduction are also current most important tasks, carrying out power conversion by auxiliary gear box is a good approach, but design comparison is complicated and have a lot of problems.

Summary of the invention

Technical solution of the present utility model is: a transfer case housing be arranged between automobile gearbox and driving engine: inside have and stretch out the outer axle of transfer case housing, by shaft coupler of engine, with driving engine, be connected: have and stretch out the outer motor input shaft of transfer case housing, by motor coupler, with motor, be connected: have and stretch out three outer axles of transfer case housing, be connected with change speed gear box by the change speed gear box coupler.

Enclosure interior is equipped with hydraulic clutch and second clutch: by hydraulic clutch, control being connected and separating of two axles and an axle: by second clutch, control being connected and separating of two axles and three axles.

Hydraulic clutch A assembly and hydraulic clutch B assembly are equipped with in hydraulic clutch inside, and outer cover has slip cap.

An axle in transfer case housing turns round and is connected by bearing with two axles of concentric: two axle one ends are connected by straight-tooth A fixed installation with hydraulic clutch: the other end of two axles is connected by straight-tooth C fixed installation with second clutch: two axles turn round and are connected by bearing with three axles of concentric.

Transmission shaft turns round and is connected by bearing with transfer case housing: being enclosed within on two axles of transmission shaft concentric: between transmission shaft and motor input shaft, by transmission gear and motor gear or chain, be connected with a joggle.

Cog wheel of the oil pump drive to connect (also can gear and gear is connected with a joggle or chain is connected with a joggle) by two axles.

Between the oil input channel of electromagnetic valve A, electromagnetic valve B, electromagnetic valve C, electromagnetic valve D, pressure-relief valve and oil pump oil outlet, with oil pipe, be fixedly connected with: the oil outlet of pressure-relief valve communicates with in transfer case housing.

Oil drain pan is enclosed within on two axles by the bearing sliding block joint: between the oil outlet of electromagnetic valve D and oil drain pan oil duct A, with oil pipe, be fixedly connected with, and with the oil circuit of oil duct A, two slinger A between be tightly connected: between the oil outlet of electromagnetic valve A and oil drain pan oil duct B, with oil pipe, be fixedly connected with, and with the oil circuit of two slinger B and oil duct B between be tightly connected: between the oil outlet of electromagnetic valve C and gear shift oil duct A, with oil pipe, be fixedly connected with: between the oil outlet of electromagnetic valve B and gear shift oil duct B, with oil pipe, be fixedly connected with.

The beneficial effects of the utility model are:

1. the flexible hydraulic connection combines with mechanical gun iron link.

2. be convenient to auto-controlled energy-saving, efficient.

The accompanying drawing explanation

Below in conjunction with accompanying drawing and enforcement, the utility model is further illustrated.

Fig. 1. the energy-conservation auxiliary gear box principle explanation of hybrid vehicle schematic diagram.

Fig. 2. the flexible rigidity connection description of engine working mode schematic diagram.

The flexible rigidity connection description of the electronic mode of operation of Fig. 3 schematic diagram.

Fig. 4. generating mode of operation connection description schematic diagram.

In figure: cog wheel of the oil pump 1, oil pump 2, second clutch 3, oil input channel 4, electromagnetic valve D5, electromagnetic valve C6, electromagnetic valve B7, electromagnetic valve A8, pressure-relief valve oil road 9, pressure-relief valve 10, oil pump oil outlet 11, gear shift oil duct A12, gear shift oil duct B13, gear shift piston 14, hand gear shifting lever 15, shift fork 16, shift shaft 17, oil drain pan oil duct A18, slip cap 19, straight-tooth B20, hydraulic clutch 21, hydraulic clutch A assembly 22, oil duct B23, one axle 24, driving engine 25, shaft coupler of engine 26, straight-tooth A27, change speed gear box 28, change speed gear box coupler 29, three axles 30, straight-tooth D31, two slinger B32, oil drain pan 33, oil drain pan oil duct B34, motor 35, transmission shaft 36, transmission gear 37, motor coupler 38, motor input shaft 39, transfer case housing 40, motor gear 41, the little tooth 42 of transmission, hydraulic clutch B assembly 43, oil duct A44, the little tooth 45 of one axle, two slinger A46, straight-tooth C47, two axles 48, two shafting oil rings 49.

At Fig. 1. in the energy-conservation auxiliary gear box principle explanation of hybrid vehicle schematic diagram: the electric-control system formed by electromagnetic valve D5, electromagnetic valve C6, electromagnetic valve B7, electromagnetic valve A8, pressure-relief valve 10:

The dynamic transfer system formed by an axle 24, two axles 48, three axles 30, transmission shaft 36:

By second clutch 3 control three axles 30, by hydraulic clutch A assembly 22 control axles 24, by hydraulic clutch B assembly 43 control transmission shafts 36, form flexibly connect control system:

Drive slip caps 19, by slip cap 19, control separating and being connected, forming the rigidity power conversion system of the little tooth 42 of transmission and the little tooth 45 of an axle by shift fork 16.

At Fig. 2. in the flexible rigidity connection description of engine working mode schematic diagram: when needs input driving engine 25 mode of operation, first to pressure-relief valve 10 outages to make it to stop release, give again electromagnetic valve D5 energising, make hydraulic oil pass through the oil outlet of electromagnetic valve D5, enter oil drain pan oil duct A18, two slinger A46, the piston of oil duct A44 promotion hydraulic clutch A assembly 22 moves and makes two axles 48 and axle 24 frictional connections: electromagnetic valve C6 is switched on, hydraulic oil enters oil cylinder pushing gear shift piston 14 by gear shift oil duct A12 and shift fork 16 is moved drive slip cap 19 to be connected with a joggle and to proceed to gun iron link with little tooth 45 slips of an axle by shift shaft 17, at this moment pressure-relief valve 10 energising releases, power by two axles 48 through second clutch 3, three axles 30 and change speed gear box 28 outputs:.

In the flexible gun iron link job description of Fig. 3 electrical machine working mode schematic diagram: when needs input motor 35 power, first to pressure-relief valve 10 outages to make it to stop release, give again electromagnetic valve A8 energising, make hydraulic oil pass through the oil outlet of electromagnetic valve A 8, oil drain pan oil duct B 34, two slinger B32, the piston of oil duct B 23 promotion hydraulic clutch B assemblies 43 moves transmission shaft 36 is connected with two axle 48 flexible frictions: at this moment by electromagnetic valve B 7 energisings, hydraulic oil stream enters oil cylinder pushing gear shift piston 14 by gear shift oil duct B 13 and by shift shaft 17, shift fork 16 is moved drive slip cap 19 to slide to be connected with a joggle with the little tooth 42 of transmission to proceed to gun iron link, at this moment pressure-relief valve 10 energising releases, power by two axles 48 through second clutch 3, three axles 30 and change speed gear box 28 outputs.

At Fig. 4. in generating mode of operation connection description schematic diagram: in engine working mode or electrical machine working mode (this Fig. 4. be presented at the engine working mode schematic diagram), because the little tooth 45 of slip cap 19 and an axle is in the gun iron link position, driving engine 25 power are inputted by the little tooth 45 of an axle: to pressure-relief valve, 10 outages make it to stop release, give again electromagnetic valve A 8 energisings, make hydraulic oil pass through the oil outlet of electromagnetic valve A 8, oil drain pan oil duct B 34, two slinger B32, the piston of oil duct B 23 promotion hydraulic clutch B assemblies 43 moves transmission shaft 36 flexible frictions are connected: power is by transmission gear 37, motor gear 41, motor input shaft 39, motor coupler 38 is to motor 35 output generatings.

Claims

1. the energy-conservation auxiliary gear box of hybrid vehicle, it is characterized in that: a transfer case housing (40) be arranged between automobile gearbox (28) and driving engine (25): inside have and stretch out the outer axle (24) of transfer case housing (40), be connected with driving engine (25) by shaft coupler of engine (26); Have and stretch out the outer motor input shaft (39) of transfer case housing (40), be connected with motor (35) by motor coupler (38); Have and stretch out outer three axles (30) of transfer case housing (40), be connected with change speed gear box (28) by change speed gear box coupler (29);

Hydraulic clutch (21) and second clutch (3) are equipped with in transfer case housing (40) inside: by hydraulic clutch (21), control being connected and separating of two axles (48) and an axle (24); Control being connected and separating of two axles (28) and three axles (30) by second clutch (3);

Hydraulic clutch A assembly (22) and hydraulic clutch B assembly (43) are equipped with in hydraulic clutch (21) inside, and outer cover has slip cap (19);

An axle (24) in transfer case housing (40) turns round and is connected by bearing with two axles (48) of concentric; Two axle (48) one ends are connected by straight-tooth A (27) fixed installation with hydraulic clutch (21); The other end of two axles (48) is connected by straight-tooth C (47) fixed installation with second clutch (3); Two axles (48) turn round and are connected by bearing with three axles (30) of concentric;

Transmission shaft (36) turns round and is connected by bearing with transfer case housing (40); Being enclosed within on two axles (48) of transmission shaft (36) concentric; Between transmission shaft (36) and motor input shaft (39), by transmission gear (37) and motor gear (41) or chain, be connected with a joggle;

Cog wheel of the oil pump (1) drive to connect (also can gear and gear is connected with a joggle or chain is connected with a joggle) by two axles (48);

Between the oil input channel (4) of electromagnetic valve A (8), electromagnetic valve B (7), electromagnetic valve C (6), electromagnetic valve D (5), pressure-relief valve (10) and oil pump oil outlet (11), with oil pipe, be fixedly connected with; The oil outlet (9) of pressure-relief valve (10) communicates with in transfer case housing (40);

It is upper by the bearing sliding block joint that oil drain pan (33) is enclosed within two axles (48); Between the oil outlet of electromagnetic valve D (5) and oil drain pan oil duct A (18), with oil pipe, be fixedly connected with, and and the oil circuit of oil duct A (44), two slinger A (46) between be tightly connected; Between the oil outlet of electromagnetic valve A (8) and oil drain pan oil duct B (34), with oil pipe, be fixedly connected with, and and the oil circuit of two slinger B (32) and oil duct B (23) between be tightly connected; Between the oil outlet of electromagnetic valve C (6) and gear shift oil duct A (12), with oil pipe, be fixedly connected with; Between the oil outlet of electromagnetic valve B (7) and gear shift oil duct B (13), with oil pipe, be fixedly connected with.

2. the energy-conservation auxiliary gear box of hybrid vehicle as claimed in claim 1, is characterized in that: the electric-control system be comprised of electromagnetic valve D (5), electromagnetic valve C (6), electromagnetic valve B (7), electromagnetic valve A (8), pressure-relief valve (10).

3. the energy-conservation auxiliary gear box of hybrid vehicle as claimed in claim 1, is characterized in that: the dynamic transfer system be comprised of an axle (24), two axles (48), three axles (30), transmission shaft (36).

4. the energy-conservation auxiliary gear box of hybrid vehicle as claimed in claim 1 is characterized in that: by second clutch (3) control three axles (30), by hydraulic clutch A assembly (22) control an axle (24), by hydraulic clutch B assembly (43) control transmission shaft (36), form flexibly connect control system.

5. the energy-conservation auxiliary gear box of hybrid vehicle as claimed in claim 1 is characterized in that: by shift fork (16) drive slip cap (19), the separation of being controlled the little tooth of transmission (42) and the little tooth of an axle (45) by slip cap (19) be connected, form the rigidity power conversion system.