CN103206509A - Hydraulic transmission box and power transmission method thereof - Google Patents
Hydraulic transmission box and power transmission method thereof Download PDFInfo
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- CN103206509A CN103206509A CN2013101389309A CN201310138930A CN103206509A CN 103206509 A CN103206509 A CN 103206509A CN 2013101389309 A CN2013101389309 A CN 2013101389309A CN 201310138930 A CN201310138930 A CN 201310138930A CN 103206509 A CN103206509 A CN 103206509A
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Abstract
The invention provides a hydraulic transmission box and a power transmission method thereof. The hydraulic transmission box comprises a hydraulic torque converter and a planet transmission, a hydraulic retarder is arranged between the hydraulic torque converter and the planet transmission and comprises a retarder shell fixedly arranged between the hydraulic torque converter and the planet transmission, and a retarder impeller arranged in the retarder shell, and the retarder impeller is connected with an output shaft spline of the hydraulic torque converter. By arranging the hydraulic retarder between the hydraulic torque converter and the planet transmission, flexible braking of mining cars is realized, impact, on engines, transmission systems and mechanical braking systems, caused by mechanical braking is reduced, and braking performance is good.
Description
Technical field
The present invention relates to the automobile-used speed change gear of engineering machinery, be specifically related to a kind of hydraulic transmission box and method of power transmission thereof.
Background technique
Mine truck is mining transport vehicle, belongs to one of mining equipment, and characteristics such as mine truck is roomy owing to its car body, carrying capacity height are mainly used in the ore in mine and the short distance of other bulk cargo and transport.In recent years, the non-highway mine truck development of the little tonnage of China (30～60 tons of carrying capacity) rapidly, annual turnover reaches more than 30,000, for evading the deficiency of mechanical gear box starting moment of torsion, the shortcoming that gear is many, China utility model patent CN201944223U discloses a kind of planetary transmission with the multifunctional hydraulic torque-converters, it is by a multifunctional hydraulic torque-converters, power gear shifting planetary transmission and one fall the square case and form, described multi-functional torque-converters links by flywheel and motor, and described multifunctional hydraulic torque-converters comprises pump impeller, the guide wheel of overrunning clutch is housed, turbine and lockup clutch; Described power gear shifting planetary transmission is the Three Degree Of Freedom planetary transmission that has two two degrees of freedom planetary differentials to be in series, it comprises: high transfer planetary gear train, middle-grade planetary gear train, low-grade planetary gear train, reverse gear planetary gear train, low-speed clutch, high-speed brake, high-gear clutch, low-grade break, middle-grade break, reverse gear brake, oil pump, control valve parts, its structural configuration comprise concentricity end output or fall the output of square two ends; The described square case that falls is made up of secondary main transmission and three cut-off clutches.The present invention adopts torque-converters shell, transmission housing and falls the square case and divide body structure, combination by control valve and each sensor, the work fluid of control gearbox flows to, thereby make 6 clutches such as low-speed clutch, high-speed brake, high-gear clutch, low-grade break, middle-grade break, reverse gear brake or break in conjunction with or throw off, realize 6 preceding 1 falling, 5 preceding 1,3 preceding 1 multiple gearshift function such as fall; By full power and the part power match of torque-converters and motor, according to complete machine type, driving power and speed of a motor vehicle requirement, choose suitable torque-converters, in the hope of the high efficiency of transmission device; By regulating the characteristic of rationally boosting of control valve parts, reach steadily comfortable gearshift performance; Compare with same power, gearbox of the same type, it have rational in infrastructure, volume is little, in light weight, characteristics such as operation facility, shift quality height, is suitable for engineering vehicles such as large-tonnage well repairing machine, mobile crane, oil field pump truck.
But mine truck is when bend or descent run, need Reduced Speed Now, because the mine truck total mass ratio is bigger, when Reduced Speed Now, just need overcome bigger inertia, automobile is lowered travelling speed in the short period of time, and the mine truck that disposes the planetary transmission of above-mentioned band multifunctional hydraulic torque-converters can only be controlled brake system by the driver, the gearbox shift to low gear of vehicle is travelled, long-time continuous is used and will be caused the rising of brake system temperature, stopping power to descend, thereby the brake failure phenomenon occurs.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of hydraulic transmission box and method of power transmission thereof, realizes the flexible braking of mine truck, reduces mechanical braking to the impact of motor, transmission system and mechanical braking sytem, and braking ability is good.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of hydraulic transmission box, comprise fluid torque converter and planetary transmission, be provided with the fluid power retarder between described fluid torque converter and the planetary transmission, it comprises: be fixedly arranged on retarder housing between described fluid torque converter and the planetary transmission, be located at the retarder impeller in this retarder housing, this retarder impeller is connected with the output shaft spline of described fluid torque converter.
Wherein, described planetary transmission comprises: be located at the planet row input shaft between the output shaft of the output shaft of described fluid torque converter and hydraulic transmission box, the planetary transmission casing, be connected housing with described planetary transmission casing is connected, be provided with epicyclic train, forward gear clutch assembly in the described planetary transmission casing, five grades of clutch assemblies, fourth gear clutch assembly, third gear clutch assembly, second gear clutch assembly, one grade of clutch assembly, central authorities support, the side of described connection housing is fixed with the output terminal housing;
Wherein, described forward gear clutch assembly comprises: the forward gear clutch housing that is connected with the output shaft spline of described fluid torque converter, be slidedly arranged on the forward gear clutch piston in this forward gear clutch housing, in be engaged in hub in the forward gear clutch in the described planet row input shaft outside, be incorporated into the forward gear clutch sheet in the hub outside in this forward gear clutch;
Described epicyclic train comprises: be sheathed on the sun gear cover in the described planet row input shaft outside, preceding planet row, middle planetary row and back planet row; Wherein, described before the planet package draw together: in be engaged in the preceding planet row sun gear in the described sun gear cover outside, with described before the n of planet row sun gear outer gearing
1Planet rows of planetary wheel before individual is with n
1The exclusive gear ring of preceding planet of engagement supports n in the individual described preceding planet rows of planetary wheel
1The front planetary line of individual described preceding planet rows of planetary wheel;
Described middle planetary package is drawn together: middle planetary rows of planetary frame, simultaneously with described before the planet row that meshes in the exclusive gear ring of planet and the middle planetary rows of planetary frame is connected hub, overlap the n of outer gearing with described sun gear
2Individual middle planetary seniority among brothers and sisters star-wheel is with n
2The exclusive gear ring of middle planetary of engagement in the individual described middle planetary seniority among brothers and sisters star-wheel;
The planet package of described back is drawn together: inside and outside circle is arranged the back planet row second gear sun gear that meshes in input shaft and the exclusive gear ring of middle planetary with described planet respectively, with the n of this back planet row second gear sun gear outer gearing
3Individual back planet row second gear planet wheel is with n
3The back planet row second gear planet external toothing of engagement in the planet row second gear planet wheel of individual described back, inside and outside circle is connected the back planet rows of planetary frame that meshes in the hub with described output shaft with planet row respectively, is located at the n on the planet rows of planetary frame of described back
4One grade of planet wheel of back planet row of individual and described planet row input shaft outer gearing is with n
4One grade of planet external toothing of back planet row of engagement in one grade of planet wheel of individual described back planet row;
Described five grades of clutch assemblies comprise: with five grades of clutch housings that mesh in the outer ring of described sun gear cover, be slidedly arranged on five grades of clutch plungers in these five grades of clutch housings, five grades of clutch drive hub are incorporated into five grades of clutch plate in this five grades of clutch drive hub outside;
Described fourth gear clutch assembly comprises: be incorporated into the fourth gear clutch plate in described five grades of clutch housings outside, be slidedly arranged on described central authorities and support interior fourth gear clutch plunger;
Described third gear clutch assembly comprises: be incorporated into the third gear clutch plate in the described front planetary line outside, be slidedly arranged on described central authorities and support interior third gear clutch plunger;
Described second gear clutch assembly comprises: be incorporated into the second gear clutch plate in the planet row second gear planet external toothing outside, described back, be slidedly arranged on the second gear clutch plunger in the described connection housing;
Described one grade of clutch assembly comprises: be incorporated into one grade of clutch plate in one grade of planet external toothing outside of planet row, described back, be slidedly arranged on one grade of clutch plunger in the described output terminal housing.
Wherein, described fluid torque converter comprises: fixedly connected converter pump driving wheel and pump impeller, be located at turbine and guide wheel in the described pump impeller, be sheathed on the torque-converters hub in the output shaft outside of described fluid torque converter, described turbine is connected with the output shaft spline of fluid torque converter, and described guide wheel is connected with the torque-converters hub by free wheel device.
In the technique scheme, be provided with lockup clutch in the described fluid torque converter, this lockup clutch comprises the lockup clutch that is slidedly arranged on the interior lockup clutch piston of described converter pump driving wheel, is located at this lockup clutch piston side successively by moving plate and lockup clutch platen, and described lockup clutch is often meshed by the gear on moving plate and the described turbine.
Preferably, described n
1Be 6, described n
2, n
3And n
4Be 4.
Embodiments of the invention also provide a kind of method of power transmission of above-mentioned hydraulic transmission box, comprise becoming turning round the method for power transmission in stage and the method for power transmission of gear shift stage;
The method of power transmission that the stage is turned round in described change comprises the steps:
(1) at first, when the rotating speed of turbine is lower than 1800r/min, not oil-filled in the lockup clutch piston cavity, the power of motor was delivered to pump impeller through the converter pump driving wheel and was sent on the output shaft of fluid torque converter through turbine and guide wheel this moment, the transmission of power when finishing lockup clutch and not working;
(2) when the rotating speed of turbine is higher than 1800r/min, oil-filled in the lockup clutch piston cavity, the lockup clutch combination, this moment motor power through the converter pump driving wheel be delivered to lockup clutch by moving plate on, be sent on the output shaft of fluid torque converter through turbine again.
Wherein, the method for power transmission of described gear shift stage comprises the steps:
(1) neutral starting: the power of motor is delivered on the pump impeller through the converter pump driving wheel, pump impeller accelerates the back impulse turbine with the transmission oil in the fluid torque converter, with transmission of power to the output shaft of fluid torque converter, the output shaft of fluid torque converter drives the forward gear clutch housing that is connected with its spline and moves, the forward gear clutch housing with transmission of power on five grades of clutch drive hub that are connected with its spline;
(2) one grades of power transmission: the power of motor is delivered on the pump impeller through the converter pump driving wheel, pump impeller accelerates the back impulse turbine with the transmission oil in the fluid torque converter, with transmission of power to the output shaft of fluid torque converter, the output shaft of fluid torque converter drives the forward gear clutch housing motion that is connected with its spline, when the forward gears electro-hydraulic proportional valve gets when electric, pressure oil imports in the forward gear clutch housing by the forward gears electro-hydraulic proportional valve, promote the motion of forward gear clutch piston, forward gear clutch sheet hub in forward gear clutch is combined like this, transmission of power on the hub, is delivered on the planet row input shaft that is connected with its spline by hub in the forward gear clutch to the forward gear clutch; When one grade of clutch electro-hydraulic proportional valve of control gets when electric, pressure oil imports in one grade of clutch active chamber by one grade of clutch electro-hydraulic proportional valve, promote one grade of clutch plunger motion, one grade of planet external toothing of planet row after such one grade of clutch plate locking, planet row input shaft as one grade of sun gear is given transmission of power on one grade of planet wheel of back planet row, make described back planet rows of planetary frame follow planet row input shaft and move together, thereby give output shaft with transmission of power, realize one grade of power transmission;
(3) second gear power transmission: the power of motor is delivered on the pump impeller through the converter pump driving wheel, pump impeller accelerates the back impulse turbine with the transmission oil in the fluid torque converter, with transmission of power to the output shaft of fluid torque converter, the output shaft of fluid torque converter drives the forward gear clutch housing motion that is connected with its spline, when the forward gears electro-hydraulic proportional valve gets when electric, pressure oil imports in the forward gear clutch housing by the forward gears electro-hydraulic proportional valve, promote the motion of forward gear clutch piston, forward gear clutch sheet hub in forward gear clutch is combined like this, transmission of power on the hub, is delivered on the planet row input shaft that is connected with its spline by hub in the forward gear clutch to the forward gear clutch; Control second gear clutch electro-hydraulic proportional valve gets when electric, pressure oil imports in the second gear clutch active chamber by second gear clutch electro-hydraulic proportional valve, promote the motion of second gear clutch plunger, planet is arranged second gear planet external toothing after the locking of second gear clutch plate like this, back planet row second gear sun gear is connected with planet row input shaft by spline, utilizing back planet row second gear sun gear to drive back planet row second gear planet wheel rotates, drive directed rotation of described back planet rows of planetary frame, thereby give output shaft with transmission of power, realize the second gear power transmission;
(4) third gear power transmission: the power of motor is delivered on the pump impeller through the converter pump driving wheel, pump impeller accelerates the back impulse turbine with the transmission oil in the fluid torque converter, with transmission of power to the output shaft of fluid torque converter, the output shaft of fluid torque converter drives the forward gear clutch housing motion that is connected with its spline, when the forward gears electro-hydraulic proportional valve gets when electric, pressure oil imports in the forward gear clutch housing by the forward gears electro-hydraulic proportional valve, promote the motion of forward gear clutch piston, forward gear clutch sheet hub in forward gear clutch is combined like this, transmission of power on the hub, is delivered on the planet row input shaft that is connected with its spline by hub in the forward gear clutch to the forward gear clutch; Control third gear clutch electro-hydraulic proportional valve gets when electric, pressure oil imports in the third gear clutch active chamber by third gear clutch electro-hydraulic proportional valve, promote the motion of third gear clutch plunger, third gear clutch plate locking front planetary line like this, planet row second gear sun gear drives the exclusive gear ring rotation of middle planetary after the utilization of described planet row input shaft, the exclusive gear ring of described middle planetary utilizes middle planetary seniority among brothers and sisters star-wheel that power is passed to middle planetary rows of planetary frame and sun gear cover simultaneously, power is by two circuit transmission: a then, described sun gear cover is given the exclusive gear ring of preceding planet by preceding planet row's sun gear and preceding planet rows of planetary wheel with transmission of power successively, by planet row connect hub with transmission of power to the described frame of planet rows of planetary afterwards that is connected with its spline, export through output shaft again; B, described middle planetary rows of planetary frame through planet row connect hub with transmission of power to the described back planet rows of planetary frame that is connected with its spline, export realization third gear power transmission again through output shaft;
(5) fourth gear power transmission: the power of motor is delivered on the pump impeller through the converter pump driving wheel, pump impeller accelerates the back impulse turbine with the transmission oil in the fluid torque converter, with transmission of power to the output shaft of fluid torque converter, the output shaft of fluid torque converter drives the forward gear clutch housing motion that is connected with its spline, when the forward gears electro-hydraulic proportional valve gets when electric, pressure oil imports in the forward gear clutch housing by the forward gears electro-hydraulic proportional valve, promote the motion of forward gear clutch piston, forward gear clutch sheet hub in forward gear clutch is combined like this, transmission of power on the hub, is delivered on the planet row input shaft that is connected with its spline by hub in the forward gear clutch to the forward gear clutch; Control fourth gear clutch electro-hydraulic proportional valve gets when electric, pressure oil imports in the fourth gear clutch active chamber by fourth gear clutch electro-hydraulic proportional valve, promote the motion of fourth gear clutch plunger, five grades of clutch housings of fourth gear clutch plate locking like this, make the sun gear cover that is connected with described five grades of clutch housing splines static, planet row second gear sun gear drives the exclusive gear ring rotation of middle planetary after the utilization of described planet row input shaft, power is passed to planet row through described middle planetary rows of planetary frame to be connected on the hub, drive directed rotation of described back planet rows of planetary frame, thereby give output shaft with transmission of power, realize the fourth gear power transmission;
(6) five grades of power transmission: the power of motor is delivered on the pump impeller (49) through the converter pump driving wheel, pump impeller accelerates the back impulse turbine with the transmission oil in the torque-converters, with transmission of power to the output shaft of fluid torque converter, the output shaft of fluid torque converter drives the forward gear clutch housing motion that is connected with its spline, when the forward gears electro-hydraulic proportional valve gets when electric, pressure oil imports in the forward gear clutch housing by the forward gears electro-hydraulic proportional valve, promote the motion of forward gear clutch piston, forward gear clutch sheet hub in forward gear clutch is combined like this, transmission of power on the hub, is delivered on the planet row input shaft that is connected with its spline by hub in the forward gear clutch to the forward gear clutch; Controlling five grades of clutch electro-hydraulic proportional valves gets when electric, pressure oil imports in five grades of clutch active chambers by five grades of clutch electro-hydraulic proportional valves, promote five grades of clutch plunger motions, five grades of clutch drive hub of such five grades of clutch plate lockings, five grades of clutch assemblies and five grades of clutch drive hub are together moved, thereby the sun gear cover that is connected with described five grades of clutch housing splines is rotated, planet row second gear sun gear drives the exclusive gear ring rotation of middle planetary after the utilization of described planet row input shaft, power is passed to planet row through described middle planetary rows of planetary frame to be connected on the hub, drive directed rotation of described back planet rows of planetary frame, thereby give output shaft with transmission of power, realize five grades of power transmission;
(7) reverse gear power transmission: the power of motor is delivered on the pump impeller through the converter pump driving wheel, pump impeller accelerates the back impulse turbine with the transmission oil in the fluid torque converter, with transmission of power to the output shaft of fluid torque converter, the output shaft of fluid torque converter drives the forward gear clutch housing motion that is connected with its spline, and the forward gear clutch housing drives five grades of clutch drive hub that are connected with its spline and together moves.Five grades of clutch electro-hydraulic proportional valves of control get when electric during the work of five grades of clutches, pressure oil imports in five grades of clutch active chambers by five grades of clutch electro-hydraulic proportional valves, promote five grades of clutch plunger motions, five grades of clutch drive hub of such five grades of clutch plate lockings, five grades of clutch assemblies and five grades of clutch drive hub are together moved, thereby the sun gear cover that is connected with described five grades of clutch housing splines is rotated, and described sun gear cover is given described middle planetary rows of planetary frame and the exclusive gear ring of middle planetary by middle planetary seniority among brothers and sisters star-wheel with transmission of power then; During the work of second gear clutch, control second gear clutch electro-hydraulic proportional valve gets when electric, pressure oil imports in the second gear clutch active chamber by second gear clutch electro-hydraulic proportional valve, promote the motion of second gear clutch plunger, planet is arranged second gear planet external toothing after the locking of second gear clutch plate like this, the exclusive gear ring of described middle planetary drives the back planet row second gear sun gear motion that is connected with its spline, thereby make back planet rows of planetary frame with respect to the output shaft backward rotation of fluid torque converter, give output shaft with transmission of power again, realize the reverse gear power transmission.
The beneficial effect of technique scheme of the present invention is as follows:
In the such scheme, be provided with the fluid power retarder between fluid torque converter and planetary transmission, realize the flexible braking of mine truck, reduce mechanical braking to the impact of motor, transmission system and mechanical braking sytem, braking ability is good.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one;
Fig. 2 is the partial enlarged drawing at planetary transmission place among the embodiment one;
Fig. 3 is the partial enlarged drawing at fluid torque converter place among the embodiment one;
Power transfer path schematic representation when Fig. 4 is in one grade for embodiment one;
Power transfer path schematic representation when Fig. 5 is in second gear for embodiment one;
Power transfer path schematic representation when Fig. 6 is in third gear for embodiment one;
Power transfer path schematic representation when Fig. 7 is in fourth gear for embodiment one;
Power transfer path schematic representation when Fig. 8 is in five grades for embodiment one;
Power transfer path schematic representation when Fig. 9 is in reverse gear for embodiment one;
Figure 10 is the hydraulic schematic diagram of hydraulic control executive system among the embodiment one;
Description of reference numerals:
1, converter pump driving wheel; 2, lockup clutch piston; 3, lockup clutch is by moving plate; 4, lockup clutch platen; 5, the output shaft of fluid torque converter; 6, guide wheel; 7, retarder impeller; 8, retarder housing; 9, forward gear clutch housing; 10, forward gear clutch piston; 11, forward gear clutch sheet; 12, hub in the forward gear clutch; 13, five grades of clutch drive hub; 14, fourth gear clutch plate; 15, five grades of clutch housings; 16, five grades of clutch plate; 17, fourth gear clutch plunger; 18, five grades of clutch plungers; 19, third gear clutch plunger; 20, third gear clutch plate; 21, second gear clutch plate; 22, second gear clutch plunger; 23, connect housing; 24, one grade of clutch plate; 25, one grade of clutch plunger; 26, output terminal housing; 29, central authorities support; 30, planet row input shaft; 31, sun gear cover; 32, preceding planet row sun gear; 33, preceding planet rows of planetary wheel; 34, the exclusive gear ring of preceding planet; 35, front planetary line; 36, middle planetary rows of planetary frame; 37, planet row connects hub; 38, middle planetary seniority among brothers and sisters star-wheel; 39, the exclusive gear ring of middle planetary; 40, back planet row second gear planet wheel; 41, back planet row second gear planet external toothing; 42, back planet row second gear sun gear; 43, one grade of planet external toothing of back planet row; 44, back planet rows of planetary frame; 45, one grade of planet wheel of back planet row; 46, output shaft; 47, planetary transmission casing; 48, turbine; 49, pump impeller; 50, free wheel device; 51, torque-converters hub; 52, oil sump; 53, fuel filter; 54, hydraulic pressure duplex pump; 55, main oil pressure filter; 56, fluid torque converter; 57, fluid power retarder; 58, radiator; 59, fluid power retarder control valve; 60, torque-converters pressure regulator valve; 61, main oil pressure pressure regulator valve; 62, safety valve; 63, fluid power retarder solenoid valve; 64, total electro-hydraulic proportional valve; 65, forward gears electro-hydraulic proportional valve; 66, one grade of clutch electro-hydraulic proportional valve; 67, second gear clutch electro-hydraulic proportional valve; 68, third gear clutch electro-hydraulic proportional valve; 69, fourth gear clutch electro-hydraulic proportional valve; 70, five grades of clutch electro-hydraulic proportional valves; 71, lockup clutch shelves solenoid valve; 72, forward gear clutch; 73, one grade of clutch; 74, second gear clutch; 75, third gear clutch; 76, fourth gear clutch; 77, five grades of clutches; 78, lockup clutch.
Embodiment
For making the technical problem to be solved in the present invention, technological scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As depicted in figs. 1 and 2, a kind of hydraulic transmission box, comprise fluid torque converter and planetary transmission, it is characterized in that, be provided with the fluid power retarder between described fluid torque converter and the planetary transmission, it comprises: be fixedly arranged on retarder housing 8 between described fluid torque converter and the planetary transmission, be located at the retarder impeller 7 in this retarder housing 8, this retarder impeller 7 is connected with output shaft 5 splines of described fluid torque converter.When vehicle need slow down, the retarder hydraulic control valve imports transmission oil in the retarder housing 8, the output shaft 5 of the fluid torque converter of rotation drives 7 rotations of retarder impeller at a high speed, stir fluid in the fluid power retarder housing 8 to consume the vehicle energy that travels, thereby the kinetic energy that vehicle travels is converted into the heat energy of fluid, realizes the deceleration of vehicle.
Described planetary transmission comprises: be located at the planet row input shaft 30 between the output shaft 46 of the output shaft 5 of described fluid torque converter and hydraulic transmission box, planetary transmission casing 47, be connected housing 23 with described planetary transmission casing 47 is connected, be provided with epicyclic train, forward gear clutch assembly in the described planetary transmission casing 47, five grades of clutch assemblies, fourth gear clutch assembly, third gear clutch assembly, second gear clutch assembly, one grade of clutch assembly, central authorities support 29, the side of described connection housing 23 is fixed with output terminal housing 26.
Wherein, described forward gear clutch assembly comprises: the forward gear clutch housing 9 that is connected with output shaft 5 splines of described fluid torque converter, be slidedly arranged on the forward gear clutch piston 10 in this forward gear clutch housing 9, in be engaged in hub 12 in the forward gear clutch in described planet row input shaft 30 outsides, be incorporated into the forward gear clutch sheet 11 in hub 12 outsides in this forward gear clutch.
Described epicyclic train comprises: be sheathed on the sun gear cover 31 in described planet row input shaft 30 outsides, preceding planet row, middle planetary row and back planet row; Wherein, the planet package is drawn together before described: in be engaged in the preceding planet row sun gear 32 that described sun gear overlaps 31 outsides, 6 preceding planet rows of planetary wheels 33 with 32 outer gearings of described preceding planet row sun gear, the planet rows of planetary is taken turns the exclusive gear rings 34 of preceding planet of engagement in 33 before described with 6, supports the front planetary line 35 of 6 described preceding planet rows of planetary wheels 33.
Described middle planetary package is drawn together: middle planetary rows of planetary frame 36, planets row with the described preceding exclusive gear ring 34 of planet and the 36 interior engagements of middle planetary rows of planetary frame is connected hub 37 simultaneously, overlap 4 middle planetary seniority among brothers and sisters star-wheels 38 of 31 outer gearings with described sun gear, with the exclusive gear ring 39 of middle planetary of engagement in 4 described middle planetary seniority among brothers and sisters star-wheels 38.
The planet package of described back is drawn together: in, second gear sun gear 42 is arranged with the back planet of described planet row's input shaft 30 and the exclusive gear ring 39 interior engagements of middle planetary respectively in the outer ring, with planet row second gear planet wheel 40 behind 4 of this back planet row second gear sun gear 42 outer gearings, back planet row second gear planet external toothing 41 with engagement in 4 described back planet row second gear planet wheels 40, in, the outer ring is connected the back planet rows of planetary frame 44 of engagement in the hub 37 respectively with planet row with described output shaft 46,4 back planets with 30 outer gearings of described planet row input shaft being located on the described back planet rows of planetary frame 44 are arranged one grade of planet wheel 45, arrange one grade of planet external toothing 43 with the back planet of engagement in 4 described back planets row one grade of planet wheels 45.
Described five grades of clutch assemblies comprise: with five grades of clutch housings 15 that mesh in the outer ring of described sun gear cover 31, be slidedly arranged on five grades of clutch plungers 18 in these five grades of clutch housings 15, five grades of clutch drive hub 13 are incorporated into five grades of clutch plate 16 in these five grades of clutch drive hub 13 outsides.
Described fourth gear clutch assembly comprises: be incorporated into the fourth gear clutch plate 14 in described five grades of clutch housing 15 outsides, be slidedly arranged on described central authorities and support 29 interior fourth gear clutch plungers 17.
Described third gear clutch assembly comprises: be incorporated into the third gear clutch plate 20 in described front planetary line 35 outsides, be slidedly arranged on described central authorities and support 29 interior third gear clutch plungers 19.
Described second gear clutch assembly comprises: be incorporated into the second gear clutch plate 21 in planet row second gear planet external toothing 41 outsides, described back, be slidedly arranged on the second gear clutch plunger 22 in the described connection housing 23.
Described one grade of clutch assembly comprises: be incorporated into one grade of clutch plate 24 in one grade of planet external toothing 43 outside of planet row, described back, be slidedly arranged on one grade of clutch plunger 25 in the described output terminal housing 26.
As shown in Figure 3, described fluid torque converter comprises: fixedly connected converter pump driving wheel 1 and pump impeller 49, be located at turbine 48 and guide wheel 6 in the described pump impeller 49, be sheathed on the torque-converters hub 51 in output shaft 5 outsides of described fluid torque converter, described turbine 48 is connected with output shaft 5 splines of fluid torque converter, described guide wheel 6 is connected with torque-converters hub 51 by free wheel device 50, between pump impeller 49 and the turbine 48 certain clearance is arranged, its energy transmission realizes by fluid.During work, 1 motion of engine-driving converter pump driving wheel drives pump impeller 49 and rotates, the fluid that enters fluid torque converter is accelerated, the fluid impulse turbine 48 that accelerates through pump impeller 49 passes to turbine 48 with the kinetic energy of fluid it is rotated, output shaft 5 outputs of the logical described fluid torque converter in back.Because guide wheel 6 changed oily flow path direction, make the moment of torsion of transformer turbine output turn round device greater than the motor input, so use during the moment of torsion that fluid torque converter only need be big when starting and gear shift.
Be provided with lockup clutch in the described fluid torque converter, the lockup clutch that this lockup clutch comprises the lockup clutch piston 2 that is slidedly arranged in the described converter pump driving wheel 1, be located at these lockup clutch piston 2 sides successively is by moving plate 3 and lockup clutch platen 4, and described lockup clutch is often meshed by moving plate 3 and gear on the described turbine 48.When vehicle start, need big driving moment, fluid torque converter work, the output torque of motor is increased through torque-converters, thereby the vehicle rotating speed is improved rapidly, when the rotating speed of turbine is brought up to 1800r/min, at this moment vehicle needs transmission system to have high efficient, the lockup clutch combination, the power of motor is delivered on its synchronous operated lockup clutch piston 2 and lockup clutch platen 4 through fluid torque converter pump impeller driving wheel 1, be delivered on the turbine 48 by moving plate 3 by lockup clutch, at this moment power transmission is without fluid torque converter, and reality is the purpose of transmission efficiently.
The hydraulic control executive system of described hydraulic transmission box as shown in figure 10, it mainly is made up of oil sources part, liquid current control part and actuator's part three parts: (a) oil sources partly comprises oil sump 52, fuel filter 53, hydraulic pressure duplex pump 54, main oil pressure filter 55.(b) liquid current control part mainly provides pressure, the fluid flow direction of oil to control to oil sources, and it comprises: converter pressure regulator valve 60, main oil pressure pressure regulator valve 61, safety valve 62, fluid power retarder control valve 59, fluid power retarder solenoid valve 63, total electro-hydraulic proportional valve 64, forward gears electro-hydraulic proportional valve 65, one grade of clutch electro-hydraulic proportional valve 66, second gear clutch electro-hydraulic proportional valve 67, third gear clutch electro-hydraulic proportional valve 68, fourth gear clutch electro-hydraulic proportional valve 69, five grades of clutch electro-hydraulic proportional valves 70, lockup clutch shelves solenoid valve 71.(c) actuator part mainly comprises fluid power fluid torque converter 56, fluid power retarder 57, radiator 58, forward gear clutch 72, one grade of clutch 73, second gear clutch 74, third gear clutch 75, fourth gear clutch 76, five grades of clutches 77, lockup clutch 78.
During hydraulic transmission box work, the driving gear of hydraulic pressure duplex pump 54 is connected with fluid torque converter pump impeller spline, making duplex pump work will leave oil sump 52 transmission oils in filters in the suction hydraulic pressure duplex pump 54 through fuel filter 53, fluid is through 54 superchargings of hydraulic pressure duplex pump, respectively to fluid power fluid torque converter oil circuit and speed changer oil circuit fuel feeding, oil duct on being arranged on gear box casing is sent on the gear control valve assembly (part among Figure 10 in the dotted line), after respectively by converter pressure regulator valve 60, main oil pressure pressure regulator valve 61, safety valve 62, fluid power fluid torque converter oil pressure is controlled to 0.28MPa, and the main oil pressure oil circuit is controlled at 1.2MPa.
Flow through when the fluid power retarder is not worked fluid power fluid torque converter 56, fluid power retarder control valve 59, radiator 58 of fluid power fluid torque converter oil circuit flow back into the oil end and finishes a circulation; The transmission of fluid power fluid torque converter 56 of flowing through when the fluid power retarder the is worked fluid power retarder control valve 59 of flowing through changes to flow to and flows into fluid power retarders 57 backs to radiator 58, flow into fluid power retarders 57 from radiator 58 again.
When carrying out gear shift or fluid power converter lockout, after total electro-hydraulic proportional valve 64 that the oil stream of main oil pressure pressure regulator valve 61 passes through electricly flows to the gear solenoid valve, flow in the final controlling element of electric electromagnetic valve.
Embodiments of the invention one also provide a kind of method of power transmission of hydraulic transmission box, comprise becoming turning round the method for power transmission in stage and the method for power transmission of gear shift stage, and the method for power transmission that the stage is turned round in described change comprises the steps:
(1) at first, when the rotating speed of turbine 48 is lower than 1800r/min, not oil-filled in the lockup clutch piston cavity, the power of motor was delivered to pump impeller 49 through fluid torque converter pump impeller driving wheel 1 and was sent on the output shaft 5 of fluid torque converter through turbine 48 and guide wheel 6 this moment, the transmission of power when finishing lockup clutch and not working;
(2) when the rotating speed of turbine 48 is higher than 1800r/min, oil-filled in the lockup clutch piston cavity, the lockup clutch combination, this moment motor power through fluid torque converter pump impeller driving wheel 1 be delivered to lockup clutch by moving plate 3 on, be sent on the output shaft 5 of fluid torque converter through turbine 48 again.
The method of power transmission of described gear shift stage comprises the steps:
Wherein, the method for power transmission of described gear shift stage comprises the steps:
(1) neutral starting: the power of motor is delivered on the pump impeller 49 through converter pump driving wheel 1, pump impeller 49 accelerates back impulse turbine 48 with the transmission oil in the fluid torque converter, with transmission of power to the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives the forward gear clutch housing 9 that is connected with its spline and moves, forward gear clutch housing 9 with transmission of power on five grades of clutch drive hub 13 that are connected with its spline;
(2) power of motor is delivered on the pump impeller 49 through converter pump driving wheel 1, pump impeller 49 accelerates back impulse turbine 48 with the transmission oil in the fluid torque converter, with transmission of power to the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives forward gear clutch housing 9 motions that are connected with its spline, when forward gears electro-hydraulic proportional valve 65 when electric, pressure oil imports in the forward gear clutch housing 9 by forward gears electro-hydraulic proportional valve 65, promote 10 motions of forward gear clutch piston, hub 12 combinations in forward gear clutch sheet 11 and the forward gear clutch like this, transmission of power on the hub 12, is delivered on the planet row input shaft 30 that is connected with its spline by hub in the forward gear clutch 12 to the forward gear clutch; When one grade of clutch electro-hydraulic proportional valve of control 66 when electric, pressure oil imports in one grade of clutch active chamber by one grade of clutch electro-hydraulic proportional valve 66, promote 25 motions of one grade of clutch plunger, one grade of planet external toothing 43 of planet row after such one grade of clutch plate 24 locking, planet row input shaft 30 as one grade of sun gear is given transmission of power on one grade of planet wheel 45 of back planet row, making described back planet rows of planetary frame 44 follow planet row input shaft 30 moves together, thereby give output shaft 46 with transmission of power, realize one grade of power transmission;
(3) second gear power transmission: the power of motor is delivered on the pump impeller 49 through converter pump driving wheel 1, pump impeller 49 accelerates back impulse turbine 48 with the transmission oil in the fluid torque converter, with transmission of power to the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives forward gear clutch housing 9 motions that are connected with its spline, when forward gears electro-hydraulic proportional valve 65 when electric, pressure oil imports in the forward gear clutch housing 9 by forward gears electro-hydraulic proportional valve 65, promote 10 motions of forward gear clutch piston, hub 12 combinations in forward gear clutch sheet 11 and the forward gear clutch like this, transmission of power on the hub 12, is delivered on the planet row input shaft 30 that is connected with its spline by hub in the forward gear clutch 12 to the forward gear clutch; Control second gear clutch electro-hydraulic proportional valve 67 when electric, pressure oil imports in the second gear clutch active chamber by second gear clutch electro-hydraulic proportional valve 67, promote 22 motions of second gear clutch plunger, planet is arranged second gear planet external toothing 41 after 21 lockings of second gear clutch plate like this, back planet row second gear sun gear 42 is connected with planet row input shaft 30 by spline, utilizing back planet row second gear sun gear 42 to drive back planet row second gear planet wheel 40 rotates, drive described back planet rows of planetary frame 44 directed rotations, thereby give output shaft 46 with transmission of power, realize the second gear power transmission;
(4) third gear power transmission: the power of motor is delivered on the pump impeller 49 through converter pump driving wheel 1, pump impeller 49 accelerates back impulse turbine 48 with the transmission oil in the fluid torque converter, with transmission of power to the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives forward gear clutch housing 9 motions that are connected with its spline, when forward gears electro-hydraulic proportional valve 65 when electric, pressure oil imports in the forward gear clutch housing 9 by forward gears electro-hydraulic proportional valve 65, promote 10 motions of forward gear clutch piston, hub 12 combinations in forward gear clutch sheet 11 and the forward gear clutch like this, transmission of power on the hub 12, is delivered on the planet row input shaft 30 that is connected with its spline by hub in the forward gear clutch 12 to the forward gear clutch; Control third gear clutch electro-hydraulic proportional valve 68 when electric, pressure oil imports in the third gear clutch active chamber by third gear clutch electro-hydraulic proportional valve 68, promote 19 motions of third gear clutch plunger, third gear clutch plate 20 locking front planetary lines 35 like this, described planet row input shaft 30 utilizes back planet row second gear sun gear 42 to drive the exclusive gear ring 39 of middle planetary and rotates, the exclusive gear ring 39 of described middle planetary utilizes middle planetary seniority among brothers and sisters star-wheel 38 that power is passed to middle planetary rows of planetary frame 36 and sun gear cover 31 simultaneously, power is by two circuit transmission: a then, described sun gear cover 31 is given the exclusive gear ring 34 of preceding planet by preceding planet row's sun gear 32 and preceding planet rows of planetary wheel 33 with transmission of power successively, by planet row connect hub 37 with transmission of power to the described back planet rows of planetary frame 44 that is connected with its spline, export through output shaft 46 again; B, described middle planetary rows of planetary frame 36 through planet row connect hub 37 with transmission of power to the described back planet rows of planetary frame 44 that is connected with its spline, export realization third gear power transmission again through output shaft 46;
(5) fourth gear power transmission: the power of motor is delivered on the pump impeller 49 through converter pump driving wheel 1, pump impeller 49 accelerates back impulse turbine 48 with the transmission oil in the fluid torque converter, with transmission of power to the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives forward gear clutch housing 9 motions that are connected with its spline, when forward gears electro-hydraulic proportional valve 65 when electric, pressure oil imports in the forward gear clutch housing 9 by forward gears electro-hydraulic proportional valve 65, promote 10 motions of forward gear clutch piston, hub 12 combinations in forward gear clutch sheet 11 and the forward gear clutch like this, transmission of power on the hub 12, is delivered on the planet row input shaft 30 that is connected with its spline by hub in the forward gear clutch 12 to the forward gear clutch; Control fourth gear clutch electro-hydraulic proportional valve 69 when electric, pressure oil imports in the fourth gear clutch active chamber by fourth gear clutch electro-hydraulic proportional valve 69, promote 17 motions of fourth gear clutch plunger, five grades of clutch housings 15 of fourth gear clutch plate 14 lockings like this, it is 31 static that the sun gear that is connected with described five grades of clutch housing 15 splines is overlapped, described planet row input shaft 30 utilizes back planet row second gear sun gear 42 to drive the exclusive gear ring 39 of middle planetary and rotates, power is passed to planet row through described middle planetary rows of planetary frame 36 to be connected on the hub 37, drive described back planet rows of planetary frame 44 directed rotations, thereby give output shaft 46 with transmission of power, realize the fourth gear power transmission;
(6) five grades of power transmission: the power of motor is delivered on the pump impeller 49 through converter pump driving wheel 1, pump impeller 49 accelerates back impulse turbine 48 with the transmission oil in the fluid torque converter, with transmission of power to the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives forward gear clutch housing 9 motions that are connected with its spline, when forward gears electro-hydraulic proportional valve 65 when electric, pressure oil imports in the forward gear clutch housing 9 by forward gears electro-hydraulic proportional valve 65, promote 10 motions of forward gear clutch piston, hub 12 combinations in forward gear clutch sheet 11 and the forward gear clutch like this, transmission of power on the hub 12, is delivered on the planet row input shaft 30 that is connected with its spline by hub in the forward gear clutch 12 to the forward gear clutch; Control five grades of clutch electro-hydraulic proportional valves 70 when electric, pressure oil imports in five grades of clutch active chambers by five grades of clutch electro-hydraulic proportional valves 70, promote 18 motions of five grades of clutch plungers, five grades of clutch drive hub 13 of such five grades of clutch plate, 16 lockings, five grades of clutch assemblies and five grades of clutch drive hub 13 are together moved, thereby the sun gear cover 31 that is connected with described five grades of clutch housing 15 splines is rotated, described planet row input shaft 30 utilizes back planet row second gear sun gear 42 to drive the exclusive gear ring 39 of middle planetary and rotates, power is passed to planet row through described middle planetary rows of planetary frame 36 to be connected on the hub 37, drive described back planet rows of planetary frame 44 directed rotations, thereby give output shaft 46 with transmission of power, realize five grades of power transmission;
(7) reverse gear power transmission: the power of motor is delivered on the pump impeller 49 through converter pump driving wheel 1, pump impeller 49 accelerates back impulse turbine 48 with the transmission oil in the fluid torque converter, with transmission of power to the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives forward gear clutch housing 9 motions that are connected with its spline, and forward gear clutch housing 9 drives five grades of clutch drive hub 13 that are connected with its spline and together moves.During the work of five grades of clutches five grades of clutch electro-hydraulic proportional valves of control 70 when electric, pressure oil imports in five grades of clutch active chambers by five grades of clutch electro-hydraulic proportional valves 70, promote 18 motions of five grades of clutch plungers, five grades of clutch drive hub 13 of such five grades of clutch plate, 16 lockings, five grades of clutch assemblies and five grades of clutch drive hub 13 are together moved, thereby the sun gear cover 31 that is connected with described five grades of clutch housing 15 splines is rotated, and described sun gear cover 31 is given described middle planetary rows of planetary frame 36 and the exclusive gear ring 39 of middle planetary by middle planetary seniority among brothers and sisters star-wheel 38 with transmission of power then; During the work of second gear clutch, control second gear clutch electro-hydraulic proportional valve 67 when electric, pressure oil imports in the second gear clutch active chamber by second gear clutch electro-hydraulic proportional valve 67, promote 22 motions of second gear clutch plunger, planet is arranged second gear planet external toothing 41 after 21 lockings of second gear clutch plate like this, the exclusive gear ring 39 of described middle planetary drives back planet row second gear sun gear 42 motions that are connected with its spline, thereby make back planet rows of planetary frame 44 with respect to output shaft 5 backward rotation of fluid torque converter, give output shaft 46 with transmission of power again, realize the reverse gear power transmission.
The present invention is provided with the fluid power retarder between fluid torque converter and planetary transmission, realize the flexible braking of mine truck, reduces mechanical braking to the impact of motor, transmission system and mechanical braking sytem, and braking ability is good.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. hydraulic transmission box, comprise fluid torque converter and planetary transmission, it is characterized in that, be provided with the fluid power retarder between described fluid torque converter and the planetary transmission, it comprises: be fixedly arranged on retarder housing (8) between described fluid torque converter and the planetary transmission, be located at the retarder impeller (7) in this retarder housing (8), this retarder impeller (7) is connected with output shaft (5) spline of described fluid torque converter.
2. hydraulic transmission box according to claim 1, it is characterized in that, described planetary transmission comprises: be located at the planet row input shaft (30) between the output shaft (46) of the output shaft (5) of described fluid torque converter and hydraulic transmission box, planetary transmission casing (47), be connected housing (23) with described planetary transmission casing (47) is connected, be provided with epicyclic train in the described planetary transmission casing (47), the forward gear clutch assembly, five grades of clutch assemblies, the fourth gear clutch assembly, the third gear clutch assembly, the second gear clutch assembly, one grade of clutch assembly, central authorities support (29), and the side of described connection housing (23) is fixed with output terminal housing (26);
Wherein, described forward gear clutch assembly comprises: the forward gear clutch housing (9) that is connected with output shaft (5) spline of described fluid torque converter, be slidedly arranged on the forward gear clutch piston (10) in this forward gear clutch housing (9), in be engaged in hub (12) in the forward gear clutch in described planet row's input shaft (30) outside, be incorporated into the forward gear clutch sheet (11) in hub (12) outside in this forward gear clutch;
Described epicyclic train comprises: be sheathed on the sun gear cover (31) in described planet row's input shaft (30) outside, preceding planet row, middle planetary row and back planet row; Wherein, described before the planet package draw together: in be engaged in the preceding planet row sun gear (32) in described sun gear cover (31) outside, with described before the n of planet row sun gear (32) outer gearing
1Planet rows of planetary wheel (33) before individual is with n
1Exclusive gear ring of preceding planet (34) of engagement in the individual described preceding planet rows of planetary wheel (33) supports n
1The front planetary line (35) of individual described preceding planet rows of planetary wheel (33);
Described middle planetary package is drawn together: middle planetary rows of planetary frame (36), the planet row with the described preceding exclusive gear ring of planet (34) and the interior engagement of middle planetary rows of planetary frame (36) is connected hub (37) simultaneously, with the n of described sun gear cover (31) outer gearing
2Individual middle planetary seniority among brothers and sisters star-wheel (38) is with n
2The exclusive gear ring of middle planetary (39) of engagement in the individual described middle planetary seniority among brothers and sisters star-wheel (38);
The planet package of described back is drawn together: inside and outside circle is arranged second gear sun gear (42) with the back planet of described planet row's input shaft (30) and the interior engagement of the exclusive gear ring of middle planetary (39) respectively, with the n of this back planet row second gear sun gear (42) outer gearing
3Individual back planet row second gear planet wheel (40) is with n
3The back planet row second gear planet external toothing (41) of engagement in individual described back planet row's second gear planet wheel (40), inside and outside circle is connected the back planet rows of planetary frame (44) of engagement in the hub (37) respectively with planet row with described output shaft (46), be located at the n on the described back planet rows of planetary frame (44)
4Back planet row one grade of planet wheel (45) of individual and described planet row input shaft (30) outer gearing is with n
4Back planet row one grade of planet external toothing (43) of engagement in individual described back planet one grade of planet wheel of row (45);
Described five grades of clutch assemblies comprise: with five grades of clutch housings (15) of engagement in the outer ring of described sun gear cover (31), be slidedly arranged on the five grades of clutch plungers (18) in these five grades of clutch housings (15), five grades of clutch drive hub (13) are incorporated into five grades of clutch plate (16) in this five grades of clutch drive hub (13) outside;
Described fourth gear clutch assembly comprises: be incorporated into the fourth gear clutch plate (14) in described five grades of clutch housings (15) outside, be slidedly arranged on described central authorities and support (29) interior fourth gear clutch plunger (17);
Described third gear clutch assembly comprises: be incorporated into the third gear clutch plate (20) in described front planetary line (35) outside, be slidedly arranged on described central authorities and support (29) interior third gear clutch plunger (19);
Described second gear clutch assembly comprises: be incorporated into the second gear clutch plate (21) in described back planet row's second gear planet external toothing (41) outside, be slidedly arranged on the second gear clutch plunger (22) in the described connection housing (23);
Described one grade of clutch assembly comprises: be incorporated into one grade of clutch plate (24) in described back planet one grade of planet external toothing of row (43) outside, be slidedly arranged on the one grade of clutch plunger (25) in the described output terminal housing (26).
3. hydraulic transmission box according to claim 1, it is characterized in that, described fluid torque converter comprises: fixedly connected converter pump driving wheel (1) and pump impeller (49), be located at turbine (48) and guide wheel (6) in the described pump impeller (49), be sheathed on the torque-converters hub (51) outside the output shaft (5) of described fluid torque converter, described turbine (48) is connected with output shaft (5) spline of fluid torque converter, and described guide wheel (6) is connected with torque-converters hub (51) by free wheel device (50).
4. according to claim 1 or 3 described hydraulic transmission boxes, it is characterized in that, be provided with lockup clutch in the described fluid torque converter, this lockup clutch comprises the lockup clutch that is slidedly arranged on the interior lockup clutch piston (2) of described converter pump driving wheel (1), is located at this lockup clutch piston (2) side successively by moving plate (3) and lockup clutch platen (4), and described lockup clutch is often meshed by the gear on moving plate (3) and the described turbine (48).
5. hydraulic transmission box according to claim 2 is characterized in that, described n
1Be 6, described n
2, n
3And n
4Be 4.
6. the method for power transmission as each described hydraulic transmission box in the claim 1～5 is characterized in that, comprises the method for power transmission in bending moment stage and the method for power transmission of gear shift stage;
The method of power transmission in described bending moment stage comprises the steps:
(1) at first, when the rotating speed of turbine (48) is lower than 1800r/min, not oil-filled in the lockup clutch piston cavity, the power of motor was delivered to pump impeller (49) through converter pump driving wheel (1) and was sent on the output shaft (5) of fluid torque converter through turbine (48) and guide wheel (6) this moment, the transmission of power when finishing lockup clutch and not working;
(2) when the rotating speed of turbine (48) is higher than 1800r/min, oil-filled in the lockup clutch piston cavity, the lockup clutch combination, this moment motor power through converter pump driving wheel (1) be delivered to lockup clutch by moving plate (3) on, be sent on the output shaft (5) of fluid torque converter through turbine (48) again.
7. the method for power transmission of hydraulic transmission box according to claim 6 is characterized in that, the method for power transmission of described gear shift stage comprises the steps:
(1) neutral starting: the power of motor is delivered on the pump impeller (49) through converter pump driving wheel (1), pump impeller (49) accelerates back impulse turbine (48) with the transmission oil in the fluid torque converter, transmission of power is arrived on the output shaft (5) of fluid torque converter, the output shaft of fluid torque converter (5) drives forward gear clutch housing (9) motion that is connected with its spline, and forward gear clutch housing (9) arrives transmission of power on the five grades of clutch drive hub (13) that are connected with its spline;
(2) one grades of power transmission: the power of motor is delivered on the pump impeller (49) through converter pump driving wheel (1), pump impeller (49) accelerates back impulse turbine (48) with the transmission oil in the fluid torque converter, transmission of power is arrived on the output shaft (5) of fluid torque converter, the output shaft of fluid torque converter (5) drives forward gear clutch housing (9) motion that is connected with its spline, when forward gears electro-hydraulic proportional valve (65) when electric, pressure oil imports in the forward gear clutch housing (9) by forward gears electro-hydraulic proportional valve (65), promote forward gear clutch piston (10) motion, hub (12) combination in forward gear clutch sheet (11) and the forward gear clutch like this, transmission of power on the hub (12), is delivered on the planet row's input shaft (30) that is connected with its spline by hub in the forward gear clutch (12) to the forward gear clutch; When one grade of clutch electro-hydraulic proportional valve of control (66) when electric, pressure oil imports in one grade of clutch active chamber by one grade of clutch electro-hydraulic proportional valve (66), promote one grade of clutch plunger (25) motion, planet row one grade of planet external toothing (43) after such one grade of clutch plate (24) locking, planet row's input shaft (30) as one grade of sun gear is given transmission of power on back planet one grade of planet wheel of row (45), making described back planet rows of planetary frame (44) follow planet row's input shaft (30) moves together, thereby give output shaft (46) with transmission of power, realize one grade of power transmission;
(3) second gear power transmission: the power of motor is delivered on the pump impeller (49) through converter pump driving wheel (1), pump impeller (49) accelerates back impulse turbine (48) with the transmission oil in the fluid torque converter, transmission of power is arrived on the output shaft (5) of fluid torque converter, the output shaft of fluid torque converter (5) drives forward gear clutch housing (9) motion that is connected with its spline, when forward gears electro-hydraulic proportional valve (65) when electric, pressure oil imports in the forward gear clutch housing (9) by forward gears electro-hydraulic proportional valve (65), promote forward gear clutch piston (10) motion, hub (12) combination in forward gear clutch sheet (11) and the forward gear clutch like this, transmission of power on the hub (12), is delivered on the planet row's input shaft (30) that is connected with its spline by hub in the forward gear clutch (12) to the forward gear clutch; Control second gear clutch electro-hydraulic proportional valve (67) when electric, pressure oil imports in the second gear clutch active chamber by second gear clutch electro-hydraulic proportional valve (67), promote second gear clutch plunger (22) motion, planet is arranged second gear planet external toothing (41) after second gear clutch plate (21) locking like this, back planet row's second gear sun gear (42) is connected with planet row's input shaft (30) by spline, utilizing back planet row's second gear sun gear (42) to drive back planet row's second gear planet wheel (40) rotates, drive the directed rotation of described back planet rows of planetary frame (44), thereby give output shaft (46) with transmission of power, realize the second gear power transmission;
(4) third gear power transmission: the power of motor is delivered on the pump impeller (49) through converter pump driving wheel (1), pump impeller (49) accelerates back impulse turbine (48) with the transmission oil in the fluid torque converter, transmission of power is arrived on the output shaft (5) of fluid torque converter, the output shaft of fluid torque converter (5) drives forward gear clutch housing (9) motion that is connected with its spline, when forward gears electro-hydraulic proportional valve (65) when electric, pressure oil imports in the forward gear clutch housing (9) by forward gears electro-hydraulic proportional valve (65), promote forward gear clutch piston (10) motion, hub (12) combination in forward gear clutch sheet (11) and the forward gear clutch like this, transmission of power on the hub (12), is delivered on the planet row's input shaft (30) that is connected with its spline by hub in the forward gear clutch (12) to the forward gear clutch; Control third gear clutch electro-hydraulic proportional valve (68) when electric, pressure oil imports in the third gear clutch active chamber by third gear clutch electro-hydraulic proportional valve (68), promote third gear clutch plunger (19) motion, third gear clutch plate (20) locking front planetary line (35) like this, described planet row's input shaft (30) utilizes back planet row's second gear sun gear (42) to drive the exclusive gear ring of middle planetary (39) and rotates, the exclusive gear ring of described middle planetary (39) utilizes middle planetary seniority among brothers and sisters star-wheel (38) that power is passed to middle planetary rows of planetary frame (36) and sun gear cover (31) simultaneously, power is by two circuit transmission: a then, described sun gear cover (31) is given the exclusive gear ring of preceding planet (34) by preceding planet row's sun gear (32) and preceding planet rows of planetary wheel (33) with transmission of power successively, by planet row connect hub (37) with transmission of power to the described planet rows of planetary frame (44) afterwards that is connected with its spline, export through output shaft (46) again; B, described middle planetary rows of planetary frame (36) through planet row connect hub (37) with transmission of power to the described back planet rows of planetary frame (44) that is connected with its spline, export realization third gear power transmission again through output shaft (46);
(5) fourth gear power transmission: the power of motor is delivered on the pump impeller (49) through converter pump driving wheel (1), pump impeller (49) accelerates back impulse turbine (48) with the transmission oil in the fluid torque converter, transmission of power is arrived on the output shaft (5) of fluid torque converter, the output shaft of fluid torque converter (5) drives forward gear clutch housing (9) motion that is connected with its spline, when forward gears electro-hydraulic proportional valve (65) when electric, pressure oil imports in the forward gear clutch housing (9) by forward gears electro-hydraulic proportional valve (65), promote forward gear clutch piston (10) motion, hub (12) combination in forward gear clutch sheet (11) and the forward gear clutch like this, transmission of power on the hub (12), is delivered on the planet row's input shaft (30) that is connected with its spline by hub in the forward gear clutch (12) to the forward gear clutch; Control fourth gear clutch electro-hydraulic proportional valve (69) when electric, pressure oil imports in the fourth gear clutch active chamber by fourth gear clutch electro-hydraulic proportional valve (69), promote fourth gear clutch plunger (17) motion, fourth gear clutch plate (14) five grades of clutch housings of locking (15) like this, make the sun gear cover (31) that is connected with described five grades of clutch housings (15) spline static, described planet row's input shaft (30) utilizes back planet row's second gear sun gear (42) to drive the exclusive gear ring of middle planetary (39) and rotates, power is passed to planet row through described middle planetary rows of planetary frame (36) to be connected on the hub (37), drive the directed rotation of described back planet rows of planetary frame (44), thereby give output shaft (46) with transmission of power, realize the fourth gear power transmission;
(6) five grades of power transmission: the power of motor is delivered on the pump impeller (49) through converter pump driving wheel (1), pump impeller (49) accelerates back impulse turbine (48) with the transmission oil in the fluid torque converter, transmission of power is arrived on the output shaft (5) of fluid torque converter, the output shaft of fluid torque converter (5) drives forward gear clutch housing (9) motion that is connected with its spline, when forward gears electro-hydraulic proportional valve (65) when electric, pressure oil imports in the forward gear clutch housing (9) by forward gears electro-hydraulic proportional valve (65), promote forward gear clutch piston (10) motion, hub (12) combination in forward gear clutch sheet (11) and the forward gear clutch like this, transmission of power on the hub (12), is delivered on the planet row's input shaft (30) that is connected with its spline by hub in the forward gear clutch (12) to the forward gear clutch; Control five grades of clutch electro-hydraulic proportional valves (70) when electric, pressure oil imports in five grades of clutch active chambers by five grades of clutch electro-hydraulic proportional valves (70), promote five grades of clutch plungers (18) motion, such five grades of clutch plate (16) five grades of clutch drive hub of locking (13), five grades of clutch assemblies and five grades of clutch drive hub (13) are together moved, thereby the sun gear cover (31) that is connected with described five grades of clutch housings (15) spline is rotated, described planet row's input shaft (30) utilizes back planet row's second gear sun gear (42) to drive the exclusive gear ring of middle planetary (39) and rotates, power is passed to planet row through described middle planetary rows of planetary frame (36) to be connected on the hub (37), drive the directed rotation of described back planet rows of planetary frame (44), thereby give output shaft (46) with transmission of power, realize five grades of power transmission;
(7) reverse gear power transmission: the power of motor is delivered on the pump impeller (49) through converter pump driving wheel (1), pump impeller (49) accelerates back impulse turbine (48) with the transmission oil in the fluid torque converter, transmission of power is arrived on the output shaft (5) of fluid torque converter, the output shaft of fluid torque converter (5) drives forward gear clutch housing (9) motion that is connected with its spline, and forward gear clutch housing (9) drives the five grades of clutch drive hub (13) that are connected with its spline and together moves.During the work of five grades of clutches five grades of clutch electro-hydraulic proportional valves of control (70) when electric, pressure oil imports in five grades of clutch active chambers by five grades of clutch electro-hydraulic proportional valves (70), promote five grades of clutch plungers (18) motion, such five grades of clutch plate (16) five grades of clutch drive hub of locking (13), five grades of clutch assemblies and five grades of clutch drive hub (13) are together moved, thereby the sun gear cover (31) that is connected with described five grades of clutch housings (15) spline is rotated, and described sun gear cover (31) is given described middle planetary rows of planetary frame (36) and the exclusive gear ring of middle planetary (39) by middle planetary seniority among brothers and sisters star-wheel (38) with transmission of power then; During the work of second gear clutch, control second gear clutch electro-hydraulic proportional valve (67) when electric, pressure oil imports in the second gear clutch active chamber by second gear clutch electro-hydraulic proportional valve (67), promote second gear clutch plunger (22) motion, planet is arranged second gear planet external toothing (41) after second gear clutch plate (21) locking like this, the exclusive gear ring of described middle planetary (39) drives back planet row's second gear sun gear (42) motion that is connected with its spline, thereby make back planet rows of planetary frame (44) with respect to output shaft (5) backward rotation of fluid torque converter, give output shaft (46) with transmission of power again, realize the reverse gear power transmission.
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| CN103591248A (en) * | 2013-11-12 | 2014-02-19 | 北京科技大学 | Planetary automatic transmission |
| CN105899832A (en) * | 2013-12-13 | 2016-08-24 | 福伊特专利有限公司 | Motor vehicle drivetrain |
| CN108843785A (en) * | 2018-06-26 | 2018-11-20 | 北京航天发射技术研究所 | A kind of signal detection system and method for hydraulic mechanical transmission box |
| CN113324006A (en) * | 2021-06-24 | 2021-08-31 | 陕西法士特齿轮有限责任公司 | Hydraulic torque converter assembly |
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| CN1842651A (en) * | 2004-06-12 | 2006-10-04 | 福伊特涡轮机两合公司 | Rotating speed adjustable transmission device for electricity generating apparatus |
| CN101985274A (en) * | 2010-11-12 | 2011-03-16 | 北京航空航天大学 | Five-gear automatic transmission-based hybrid vehicle transmission system |
| CN102588551A (en) * | 2012-03-03 | 2012-07-18 | 陕西航天动力高科技股份有限公司 | Hydrodynamic drive system for mine car |
| CN203374749U (en) * | 2013-04-15 | 2014-01-01 | 孔照林 | Hydraulic transmission box |
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2013
- 2013-04-15 CN CN201310138930.9A patent/CN103206509B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1054156A (en) * | ||||
| US4726255A (en) * | 1984-11-16 | 1988-02-23 | J. M. Voith Turbo Gmbh & Co. Kg | Power transmission system for driving a variable speed processing machine |
| CN1842651A (en) * | 2004-06-12 | 2006-10-04 | 福伊特涡轮机两合公司 | Rotating speed adjustable transmission device for electricity generating apparatus |
| CN101985274A (en) * | 2010-11-12 | 2011-03-16 | 北京航空航天大学 | Five-gear automatic transmission-based hybrid vehicle transmission system |
| CN102588551A (en) * | 2012-03-03 | 2012-07-18 | 陕西航天动力高科技股份有限公司 | Hydrodynamic drive system for mine car |
| CN203374749U (en) * | 2013-04-15 | 2014-01-01 | 孔照林 | Hydraulic transmission box |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591248A (en) * | 2013-11-12 | 2014-02-19 | 北京科技大学 | Planetary automatic transmission |
| CN103591248B (en) * | 2013-11-12 | 2016-01-20 | 北京科技大学 | A kind of planetary automatic transmission |
| CN105899832A (en) * | 2013-12-13 | 2016-08-24 | 福伊特专利有限公司 | Motor vehicle drivetrain |
| CN108843785A (en) * | 2018-06-26 | 2018-11-20 | 北京航天发射技术研究所 | A kind of signal detection system and method for hydraulic mechanical transmission box |
| CN113324006A (en) * | 2021-06-24 | 2021-08-31 | 陕西法士特齿轮有限责任公司 | Hydraulic torque converter assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103206509B (en) | 2016-02-17 |
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