CN103206509B - Hydraulic transmission box and method of power transmission thereof - Google Patents
Hydraulic transmission box and method of power transmission thereof Download PDFInfo
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- CN103206509B CN103206509B CN201310138930.9A CN201310138930A CN103206509B CN 103206509 B CN103206509 B CN 103206509B CN 201310138930 A CN201310138930 A CN 201310138930A CN 103206509 B CN103206509 B CN 103206509B
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Abstract
The invention provides a kind of hydraulic transmission box and method of power transmission thereof, described hydraulic transmission box comprises fluid torque converter and planetary transmission, fluid power retarder is provided with between described fluid torque converter and planetary transmission, it comprises: be fixedly arranged on the retarder housing between described fluid torque converter and planetary transmission, the retarder impeller be located in this retarder housing, the output shaft spline joint of this retarder impeller and described fluid torque converter.The present invention is provided with fluid power retarder between fluid torque converter and planetary transmission, realizes the flexible brake of mine truck, and reduce mechanical braking to the impact of motor, transmission system and mechanical braking sytem, braking ability 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 trolley, belongs to one of mining equipment, and mine truck, because its car body is roomy, carrying capacity high, is mainly used in the ore in mine and the short distance transport of other bulk cargo.In recent years, the highway mine truck development of the little tonnage of China (carrying capacity 30 ~ 60 tons) rapidly, annual turnover reaches 30,000 multiple stage, for evading the deficiency of mechanical gear box starting moment of torsion, the shortcoming that gear is many, Chinese utility model patent CN201944223U discloses a kind of planetary transmission with Multi-functional hydraulic torque converter, it is by a Multi-functional hydraulic torque converter, square case composition falls in a power gear shifting planetary transmission and one, described multi-functional torque-converters is connected by flywheel and motor, described Multi-functional hydraulic torque converter 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 having two two degrees of freedom planetary differentials to be in series, it comprises: high transfer planetary gear train, middle gear planetary gear train, low gear planetary gear train, the planetary gear train that reverses gear, low-speed clutch, high-speed brake, high gear clutch, low gear break, middle gear break, the break that reverses gear, oil pump, control valve parts, and its structural configuration comprises concentricity one end and exports 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 utility model adopts torque converter casing, transmission housing and falls square case Split type structure, by the combination of control valve and each sensor, the work fluid controlling gearbox flows to, thus make low-speed clutch, high-speed brake, high gear clutch, low gear break, middle gear break, reverse gear 6 clutches such as break or break combine or throw off, 1 to fall before realizing 6,1 to fall before 5,1 the multiple gearshift function such as to fall before 3; Mated by the full power of torque-converters and motor and Partial Power, 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 reasonable boosting characteristic of control valve parts, reach steadily comfortable gearshift performance; Compared with same power, gearbox of the same type, it have rational in infrastructure, volume is little, lightweight, operation is convenient, shift quality high, is suitable for the 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 mine truck total mass ratio is larger, just need when Reduced Speed Now to overcome larger inertia, travelling speed is lowered by automobile in the short period of time, and the mine truck configuring the planetary transmission of above-mentioned band Multi-functional hydraulic torque converter can only control brake system by driver, the gearbox of vehicle is changed to bottom gear to travel, long-time continuous uses will cause the rising of brake system temperature, stopping power declines, thus occurs brake failure phenomenon.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of hydraulic transmission box and method of power transmission thereof, realizes the flexible brake of mine truck, and reduce mechanical braking to the impact of motor, transmission system and mechanical braking sytem, 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, fluid power retarder is provided with between described fluid torque converter and planetary transmission, it comprises: be fixedly arranged on the retarder housing between described fluid torque converter and planetary transmission, the retarder impeller be located in this retarder housing, the output shaft spline joint of this retarder impeller and described fluid torque converter;
Wherein, described planetary transmission comprises: be located at the planet row input shaft between the output shaft of described fluid torque converter and the output shaft of hydraulic transmission box, planetary transmission casing, the connection housing be connected with described planetary transmission casing, be provided with epicyclic train, forward gear clutch assembly, five gear clutch assemblies, four gear clutch assemblies, three gear clutch assemblies, two gear clutch assemblies, a gear clutch assembly, central supporting in described planetary transmission casing, the side of described connection housing is fixed with output terminal housing;
Wherein, described forward gear clutch assembly comprises: with the forward gear clutch housing of the output shaft spline joint of described fluid torque converter, be slidedly arranged on the forward gear clutch plunger in this forward gear clutch housing, hub in the forward gear clutch of internal messing outside described planet row input shaft, is incorporated into the forward gear clutch plate outside hub in this forward gear clutch;
Described epicyclic train comprises: be sheathed on the sun wheel case outside described planet row input shaft, front planet row, middle planetary row and rear planet row; Wherein, described front planet package is drawn together: internal messing outside described sun wheel case before planet row sun gear, with the n of described front planet row sun gear outer gearing
1individual front planet rows of planetary wheel, with n
1the exclusive gear ring of front planet of individual described front planet rows of planetary wheel internal messing, supports n
1the front planetary line of individual described front planet rows of planetary wheel;
Described middle planetary package is drawn together: middle planetary seniority among brothers and sisters carrier, the planet row simultaneously ranking carrier internal messing with the exclusive gear ring of described front planet and middle planetary is connected hub, with the n of described sun wheel case outer gearing
2individual middle planetary seniority among brothers and sisters star-wheel, with n
2the exclusive gear ring of middle planetary of individual described middle planetary seniority among brothers and sisters star-wheel internal messing;
Described rear planet row comprises: inside and outside circle is keeped off the sunshine with the rear planet row two of described planet row input shaft and middle planetary exclusive gear ring internal messing respectively and taken turns, and keeps off the sunshine take turns the n of outer gearing with this rear planet row two
3individual rear planet row two keeps off planet wheel, with n
3the rear planet row two that individual described rear planet row two keeps off planet wheel internal messing keeps off planet external toothing, and inside and outside circle is connected the rear planet row planet carrier of hub internal messing respectively with described output shaft and planet row, be located at the n on described rear planet row planet carrier
4the rear planet row one of individual and described planet row input shaft outer gearing keeps off planet wheel, with n
4the rear planet row one that individual described rear planet row one keeps off planet wheel internal messing keeps off planet external toothing;
Described five gear clutch assemblies comprise: keep off clutch housing with five of the outer ring internal messing of described sun wheel case, be slidedly arranged on five gear clutch plungers in this five gears clutch housing, five gear clutch drive hub, are incorporated into five gear clutch plate outside this five gears clutch drive hub;
Described four gear clutch assemblies comprise: be incorporated into four gear clutch plate outside described five gear clutch housings, are slidedly arranged on four gear clutch plungers in described central supporting;
Described three gear clutch assemblies comprise: be incorporated into three gear clutch plate outside described front planetary line, are slidedly arranged on three gear clutch plungers in described central supporting;
Described two gear clutch assemblies comprises: be incorporated into described rear planet row two keep off outside planet external toothing two gear clutch plate, be slidedly arranged in described connection housing two gear clutch plungers;
Described one gear clutch assembly comprises: be incorporated into described rear planet row one keep off outside planet external toothing one gear clutch plate, be slidedly arranged in described output terminal housing one gear clutch plunger;
Wherein, described fluid torque converter comprises: the torque converter pump mid-wheel drive wheel be fixedly connected with and pump impeller, be located at turbine in described pump impeller and guide wheel, be sheathed on torque-converters hub outside the output shaft of described fluid torque converter, the output shaft spline joint of described turbine and fluid torque converter, described guide wheel is connected with torque-converters hub by free wheel device;
Lockup clutch is provided with in described fluid torque converter, this lockup clutch comprises the lockup clutch piston be slidedly arranged in described torque converter pump mid-wheel drive wheel, is located at the lockup clutch of this lockup clutch piston side successively by moving plate and lockup clutch platen, and described lockup clutch is often engaged with the gear on described turbine by moving plate.
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) first, when the rotating speed of turbine is lower than 1800r/min, not oil-filled in lockup clutch piston cavity, now the power of motor is delivered to pump impeller through torque converter pump mid-wheel drive wheel and is sent on the output shaft of fluid torque converter through turbine and guide wheel again, completes transmission of power when lockup clutch does not work;
(2) when the rotating speed of turbine is higher than 1800r/min, oil-filled in lockup clutch piston cavity, lockup clutch combines, and now the power of motor is delivered to lockup clutch by moving plate through torque converter pump mid-wheel drive wheel, then is sent on the output shaft of fluid torque converter through turbine.
Wherein, the method for power transmission of described gear shift stage comprises the steps:
(1) neutral is started: the power of motor is delivered on pump impeller through torque converter pump mid-wheel drive wheel, impulse turbine after transmission oil in fluid torque converter accelerates by pump impeller, by transmission of power on the output shaft of fluid torque converter, the output shaft of fluid torque converter drives and moves with the forward gear clutch housing of its spline joint, forward gear clutch housing by transmission of power to keeping off in clutch drive hub with five of its spline joint;
(2) one gear power transmission: the power of motor is delivered on pump impeller through torque converter pump mid-wheel drive wheel, impulse turbine after transmission oil in fluid torque converter accelerates by pump impeller, by transmission of power on the output shaft of fluid torque converter, the output shaft of fluid torque converter drives and moves with the forward gear clutch housing of its spline joint, when forward gear electro-hydraulic proportional valve obtains electric, pressure oil imports in forward gear clutch housing by forward gear electro-hydraulic proportional valve, promote the motion of forward gear clutch plunger, such forward gear clutch plate hub in forward gear clutch is combined, by on hub in transmission of power to forward gear clutch, be delivered on the planet row input shaft with its spline joint by hub in forward gear clutch, when control one keep off clutch electro-hydraulic proportional valve obtain electric time, pressure oil imports in a gear clutch active chamber by a gear clutch electro-hydraulic proportional valve, promote a gear clutch plunger motion, after such gear clutch plate locking, planet row one keeps off planet external toothing, as a planet row input shaft of keeping off the sunshine wheel, transmission of power is kept off on planet wheel to rear planet row one, make described rear planet row planet carrier follow planet row input shaft to move together, thus by transmission of power to output shaft, realize a gear power transmission,
(3) two gear power transmission: the power of motor is delivered on pump impeller through torque converter pump mid-wheel drive wheel, impulse turbine after transmission oil in fluid torque converter accelerates by pump impeller, by transmission of power on the output shaft of fluid torque converter, the output shaft of fluid torque converter drives and moves with the forward gear clutch housing of its spline joint, when forward gear electro-hydraulic proportional valve obtains electric, pressure oil imports in forward gear clutch housing by forward gear electro-hydraulic proportional valve, promote the motion of forward gear clutch plunger, such forward gear clutch plate hub in forward gear clutch is combined, by on hub in transmission of power to forward gear clutch, be delivered on the planet row input shaft with its spline joint by hub in forward gear clutch, when control two gear clutch electro-hydraulic proportional valves obtain electric, pressure oil imports in two gear clutch active chambers by two gear clutch electro-hydraulic proportional valves, promote two gear clutch plunger motions, after such two gear clutch plate lockings, planet row two keeps off planet external toothing, rear planet row two is keeped off the sunshine to take turns and is connected with planet row input shaft by spline, after utilization, planet row two is keeped off the sunshine to take turns and is driven rear planet row two to keep off planet wheel rotation, drive described rear planet row planet carrier directional rotating, thus by transmission of power to output shaft, realize two gear power transmission,
(4) three gear power transmission: the power of motor is delivered on pump impeller through torque converter pump mid-wheel drive wheel, impulse turbine after transmission oil in fluid torque converter accelerates by pump impeller, by transmission of power on the output shaft of fluid torque converter, the output shaft of fluid torque converter drives and moves with the forward gear clutch housing of its spline joint, when forward gear electro-hydraulic proportional valve obtains electric, pressure oil imports in forward gear clutch housing by forward gear electro-hydraulic proportional valve, promote the motion of forward gear clutch plunger, such forward gear clutch plate hub in forward gear clutch is combined, by on hub in transmission of power to forward gear clutch, be delivered on the planet row input shaft with its spline joint by hub in forward gear clutch, when control three gear clutch electro-hydraulic proportional valves obtain electric, pressure oil imports in three gear clutch active chambers by three gear clutch electro-hydraulic proportional valves, promote three gear clutch plunger motions, such three gear clutch plate locking front planetary lines, after described planet row input shaft utilizes, planet row two is keeped off the sunshine to take turns and is driven the exclusive ring gear against rotation of middle planetary, the exclusive gear ring of described middle planetary utilizes middle planetary to rank star-wheel and power is passed to middle planetary seniority among brothers and sisters carrier and sun wheel case simultaneously, then power is by two circuit transmission: a, transmission of power is given the exclusive gear ring of front planet by front planet row sun gear and front planet rows of planetary wheel by described sun wheel case successively, hub is connected by transmission of power extremely with on the described rear planet row planet carrier of its spline joint by planet row, export through output shaft again, b, described middle planetary seniority among brothers and sisters carrier through planet row connect hub by transmission of power to its spline joint described after on planet row planet carrier, then to export through output shaft, realize three gear power transmission,
(5) four gear power transmission: the power of motor is delivered on pump impeller through torque converter pump mid-wheel drive wheel, impulse turbine after transmission oil in fluid torque converter accelerates by pump impeller, by transmission of power on the output shaft of fluid torque converter, the output shaft of fluid torque converter drives and moves with the forward gear clutch housing of its spline joint, when forward gear electro-hydraulic proportional valve obtains electric, pressure oil imports in forward gear clutch housing by forward gear electro-hydraulic proportional valve, promote the motion of forward gear clutch plunger, such forward gear clutch plate hub in forward gear clutch is combined, by on hub in transmission of power to forward gear clutch, be delivered on the planet row input shaft with its spline joint by hub in forward gear clutch, when control four gear clutch electro-hydraulic proportional valves obtain electric, pressure oil imports in four gear clutch active chambers by four gear clutch electro-hydraulic proportional valves, promote four gear clutch plunger motions, such four gear clutch plate lockings five keep off clutch housing, make the sun wheel case of keeping off clutch housing spline joint with described five static, after described planet row input shaft utilizes, planet row two is keeped off the sunshine to take turns and is driven the exclusive ring gear against rotation of middle planetary, power is passed to planet row through described middle planetary seniority among brothers and sisters carrier to be connected on hub, drive described rear planet row planet carrier directional rotating, thus by transmission of power to output shaft, realize four gear power transmission,
(6) five gear power transmission: the power of motor is delivered on pump impeller (49) through torque converter pump mid-wheel drive wheel, impulse turbine after transmission oil in torque-converters accelerates by pump impeller, by transmission of power on the output shaft of liquid side's torque-converters, the output shaft of fluid torque converter drives and moves with the forward gear clutch housing of its spline joint, when forward gear electro-hydraulic proportional valve obtains electric, pressure oil imports in forward gear clutch housing by forward gear electro-hydraulic proportional valve, promote the motion of forward gear clutch plunger, such forward gear clutch plate hub in forward gear clutch is combined, by on hub in transmission of power to forward gear clutch, be delivered on the planet row input shaft with its spline joint by hub in forward gear clutch, when control five gear clutch electro-hydraulic proportional valves obtain electric, pressure oil imports in five gear clutch active chambers by five gear clutch electro-hydraulic proportional valves, promote five gear clutch plunger motions, such five gear clutch plate lockings five keep off clutch drive hub, five gear clutch assemblies and five gear clutch drive hub are together moved, thus the sun wheel case of keeping off clutch housing spline joint with described five is rotated, after described planet row input shaft utilizes, planet row two is keeped off the sunshine to take turns and is driven the exclusive ring gear against rotation of middle planetary, power is passed to planet row through described middle planetary seniority among brothers and sisters carrier to be connected on hub, drive described rear planet row planet carrier directional rotating, thus by transmission of power to output shaft, realize five gear power transmission,
(7) to reverse gear power transmission: the power of motor is delivered on pump impeller through torque converter pump mid-wheel drive wheel, impulse turbine after transmission oil in fluid torque converter accelerates by pump impeller, by transmission of power on the output shaft of fluid torque converter, the output shaft of fluid torque converter drives and moves with the forward gear clutch housing of its spline joint, and the drive of forward gear clutch housing keeps off clutch drive hub with five of its spline joint and together moves; When during five gear clutch work, control five gear clutch electro-hydraulic proportional valves obtain electric, pressure oil imports in five gear clutch active chambers by five gear clutch electro-hydraulic proportional valves, promote five gear clutch plunger motions, such five gear clutch plate lockings five keep off clutch drive hub, five gear clutch assemblies and five gear clutch drive hub are together moved, thus the sun wheel case of keeping off clutch housing spline joint with described five is rotated, then transmission of power is given described middle planetary seniority among brothers and sisters carrier and the exclusive gear ring of middle planetary by middle planetary seniority among brothers and sisters star-wheel by described sun wheel case; During two gear clutch work, when control two gear clutch electro-hydraulic proportional valves obtain electric, pressure oil imports in two gear clutch active chambers by two gear clutch electro-hydraulic proportional valves, promote two gear clutch plunger motions, after such two gear clutch plate lockings, planet row two keeps off planet external toothing, the drive of described middle planetary exclusive gear ring is keeped off the sunshine to take turns with the rear planet row two of its spline joint and is moved, thus rear planet row planet carrier is rotated backward relative to the output shaft of fluid torque converter, again by transmission of power to output shaft, realize reversing gear power transmission.
The beneficial effect of technique scheme of the present invention is as follows:
In such scheme, be provided with fluid power retarder between fluid torque converter and planetary transmission, realize the flexible brake of mine truck, reduce mechanical braking to the impact of motor, transmission system and mechanical braking sytem, braking ability is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the partial enlarged drawing at planetary transmission place in embodiment one;
Fig. 3 is the partial enlarged drawing at fluid torque converter place in embodiment one;
Fig. 4 is the power transfer path schematic diagram of embodiment one when being in a gear;
Fig. 5 is the power transfer path schematic diagram of embodiment one when being in two gears;
Fig. 6 is the power transfer path schematic diagram of embodiment one when being in three gears;
Fig. 7 is the power transfer path schematic diagram of embodiment one when being in four gears;
Fig. 8 is the power transfer path schematic diagram of embodiment one when being in five gears;
Fig. 9 is the power transfer path schematic diagram that embodiment one is in when reversing gear;
Figure 10 is the hydraulic schematic diagram of hydraulic control executive system in embodiment one;
Description of reference numerals:
1, torque converter pump mid-wheel drive 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 plunger; 11, forward gear clutch plate; 12, hub in forward gear clutch; 13, five gear clutch drive hub; 14, four gear clutch plate; 15, five gear clutch housings; 16, five gear clutch plate; 17, four gear clutch plungers; 18, five gear clutch plungers; 19, three gear clutch plungers; 20, three gear clutch plate; 21, two gear clutch plate; 22, two gear clutch plungers; 23, housing is connected; 24, a gear clutch plate; 25, a gear clutch plunger; 26, output terminal housing; 29, central supporting; 30, planet row input shaft; 31, sun wheel case; 32, front planet row sun gear; 33, front planet rows of planetary wheel; 34, the exclusive gear ring of front planet; 35, front planetary line; 36, middle planetary seniority among brothers and sisters carrier; 37, planet row connects hub; 38, middle planetary seniority among brothers and sisters star-wheel; 39, the exclusive gear ring of middle planetary; 40, rear planet row two keeps off planet wheel; 41, rear planet row two keeps off planet external toothing; 42, rear planet row two is keeped off the sunshine wheel; 43, rear planet row one keeps off planet external toothing; 44, rear planet row planet carrier; 45, rear planet row one keeps off planet wheel; 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 gear electro-hydraulic proportional valve; 66, a gear clutch electro-hydraulic proportional valve; 67, two gear clutch electro-hydraulic proportional valves; 68, three gear clutch electro-hydraulic proportional valves; 69, four gear clutch electro-hydraulic proportional valves; 70, five gear clutch electro-hydraulic proportional valves; 71, lockup clutch gear solenoid valve; 72, forward gear clutch; 73, a gear clutch; 74, two gear clutches; 75, three gear clutches; 76, four gear clutches; 77, five gear clutches; 78, lockup clutch.
Embodiment
For making the technical problem to be solved in the present invention, technological scheme and advantage clearly, 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, fluid power retarder is provided with between described fluid torque converter and planetary transmission, it comprises: be fixedly arranged on the retarder housing 8 between described fluid torque converter and planetary transmission, the retarder impeller 7 be located in this retarder housing 8, output shaft 5 spline joint of this retarder impeller 7 and described fluid torque converter.When vehicle needs to slow down, transmission oil imports in retarder housing 8 by retarder hydraulic control valve, the output shaft 5 of the fluid torque converter of High Rotation Speed drives retarder impeller 7 to rotate, the fluid stirred in fluid power retarder housing 8 travels energy to consume vehicle, thus the kinetic transformation travelled by vehicle is 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 5 of described fluid torque converter and the output shaft 46 of hydraulic transmission box, planetary transmission casing 47, the connection housing 23 be connected with described planetary transmission casing 47, be provided with epicyclic train, forward gear clutch assembly, five gear clutch assemblies, four gear clutch assemblies, three gear clutch assemblies, two gear clutch assemblies, a gear clutch assembly, central supporting 29 in described planetary transmission casing 47, the side of described connection housing 23 is fixed with output terminal housing 26.
Wherein, described forward gear clutch assembly comprises: with the forward gear clutch housing 9 of output shaft 5 spline joint of described fluid torque converter, be slidedly arranged on the forward gear clutch plunger 10 in this forward gear clutch housing 9, hub 12 in the forward gear clutch of internal messing outside described planet row input shaft 30, is incorporated into the forward gear clutch plate 11 outside hub 12 in this forward gear clutch.
Described epicyclic train comprises: be sheathed on the sun wheel case 31 outside described planet row input shaft 30, front planet row, middle planetary row and rear planet row; Wherein, described front planet package is drawn together: internal messing outside described sun wheel case 31 before planet row sun gear 32,33 are taken turns with 6 front planet rows of planetary of described front planet row sun gear 32 outer gearing, take turns the exclusive gear ring 34 of planet before 33 internal messing with 6 described front planet rows of planetary, support the front planetary line 35 of 6 described front planet rows of planetary wheels 33.
Described middle planetary package is drawn together: middle planetary seniority among brothers and sisters carrier 36, the planet row simultaneously ranking carrier 36 internal messing with the exclusive gear ring 34 of described front planet and middle planetary is connected hub 37, rank star-wheel 38 with 4 middle planetary of described sun wheel case 31 outer gearing, rank the exclusive gear ring 39 of middle planetary of star-wheel 38 internal messing with 4 described middle planetary.
Described rear planet row comprises: in, keep off the sunshine with the rear planet row two of described planet row input shaft 30 and middle planetary exclusive gear ring 39 internal messing wheel 42 respectively in outer ring, planet wheel 40 is kept off with this rear planet row two planet row two after 4 of wheel 42 outer gearing of keeping off the sunshine, the rear planet row two keeping off planet wheel 40 internal messing with 4 described rear planet rows two keeps off planet external toothing 41, in, outer ring is connected the rear planet row planet carrier 44 of hub 37 internal messing respectively with described output shaft 46 and planet row, 4 of being located on described rear planet row planet carrier 44 keep off planet wheel 45 with the rear planet row one of described planet row input shaft 30 outer gearing, the rear planet row one keeping off planet wheel 45 internal messing with 4 described rear planet rows one keeps off planet external toothing 43.
Described five gear clutch assemblies comprise: keep off clutch housing 15 with five of the outer ring internal messing of described sun wheel case 31, be slidedly arranged on five gear clutch plungers 18 in this five gears clutch housing 15, five gear clutch drive hub 13, are incorporated into five gear clutch plate 16 outside this five gears clutch drive hub 13.
Described four gear clutch assemblies comprise: be incorporated into four gear clutch plate 14 outside described five gear clutch housings 15, are slidedly arranged on four gear clutch plungers 17 in described central supporting 29.
Described three gear clutch assemblies comprise: be incorporated into three gear clutch plate 20 outside described front planetary line 35, are slidedly arranged on three gear clutch plungers 19 in described central supporting 29.
Described two gear clutch assemblies comprises: be incorporated into described rear planet row two keep off outside planet external toothing 41 two gear clutch plate 21, be slidedly arranged in described connection housing 23 two gear clutch plungers 22.
Described one gear clutch assembly comprises: be incorporated into described rear planet row one keep off outside planet external toothing 43 one gear clutch plate 24, be slidedly arranged in described output terminal housing 26 one gear clutch plunger 25.
As shown in Figure 3, described fluid torque converter comprises: the torque converter pump mid-wheel drive wheel 1 be fixedly connected with and pump impeller 49, be located at turbine 48 in described pump impeller 49 and guide wheel 6, be sheathed on torque-converters hub 51 outside the output shaft 5 of described fluid torque converter, output shaft 5 spline joint of described turbine 48 and fluid torque converter, described guide wheel 6 is connected with torque-converters hub 51 by free wheel device 50, have certain gap between pump impeller 49 and turbine 48, its energy transferring realizes by fluid.During work, engine-driving torque converter pump mid-wheel drive wheel 1 is moved, and drives pump impeller 49 to rotate, the fluid entering fluid torque converter is accelerated, through the Oil shocking turbine 48 that pump impeller 49 accelerates, the kinetic energy of fluid is passed to turbine 48 and makes it rotate, the output shaft 5 of rear logical described fluid torque converter exports.Because guide wheel 6 changes oily flow path direction, the moment of torsion that transformer turbine is exported is greater than motor input and turns round device, and therefore fluid torque converter only needs to use during large moment of torsion when starting to walk and shift gears.
Lockup clutch is provided with in described fluid torque converter, this lockup clutch comprises the lockup clutch piston 2 be slidedly arranged in described torque converter pump mid-wheel drive wheel 1, is located at the lockup clutch of this lockup clutch piston 2 side successively by moving plate 3 and lockup clutch platen 4, and described lockup clutch is often engaged with the gear on described turbine 48 by moving plate 3.When vehicle start, need large driving moment, fluid torque converter works, the output torque of motor is increased through torque-converters, thus vehicle rotating speed is improved rapidly, when the rotating speed of turbine brings up to 1800r/min, at this moment vehicle needs transmission system to have high efficiency, lockup clutch combines, the power of motor is delivered on its synchronous operated lockup clutch piston 2 and lockup clutch platen 4 through face of fluid torque converter driving wheel 1, be delivered on turbine 48 by lockup clutch by moving plate 3, at this moment power transmission is without fluid torque converter, the efficient object transmitted of reality.
As shown in Figure 10, it forms primarily of oil sources part, liquid current control part and actuator's part three part the hydraulic control executive system of described hydraulic transmission box: (a) oil sources part comprises oil sump 52, fuel filter 53, hydraulic pressure duplex pump 54, main oil pressure filter 55.B () liquid current control part mainly provides the pressure of oil to oil sources, fluid flow direction controls, 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, always electro-hydraulic proportional valve 64, forward gear electro-hydraulic proportional valve 65, keep off clutch electro-hydraulic proportional valve 66, two gear clutch electro-hydraulic proportional valve 67, three gear clutch electro-hydraulic proportional valve 68, four and keep off clutch electro-hydraulic proportional valve 69, five gear clutch electro-hydraulic proportional valve 70, lockup clutch gear solenoid valve 71.C () actuator partly mainly comprises fluid power fluid torque converter 56, fluid power retarder 57, radiator 58, forward gear clutch 72, gear clutch 73, two gear clutch 74, three gear clutch 75, four gear clutch 76, five gear clutch 77, lockup clutch 78.
During hydraulic transmission box work, the driving gear of hydraulic pressure duplex pump 54 and face of fluid torque converter spline joint, making duplex pump work will leave oil sump 52 transmission oil in filters in suction hydraulic pressure duplex pump 54 through fuel filter 53, fluid is through hydraulic pressure duplex pump 54 supercharging, respectively to fluid power fluid torque converter oil circuit and speed changer oil circuit fuel feeding, be sent on shift control valve assembly (part in Figure 10 in dotted line) through the oil duct be arranged on gear box casing, after respectively by converter pressure regulator valve 60, main oil pressure pressure regulator valve 61, safety valve 62, by fluid power fluid torque converter oil pressure cntrol to 0.28MPa, main oil pressure oil circuit controls at 1.2MPa.
Fluid power fluid torque converter oil circuit flows through fluid power fluid torque converter 56 when fluid power retarder does not work, fluid power retarder control valve 59, radiator 58 flow back into the oil end and complete a circulation; The transmission flowing through fluid power fluid torque converter 56 when fluid power retarder works flow through fluid power retarder control valve 59 change flow to flow into fluid power retarder 57 after to radiator 58, flow into fluid power retarder 57 from radiator 58 again.
When performing gearshift or fluid power converter lockout, flow into after the oil of main oil pressure pressure regulator valve 61 flows through electric total electro-hydraulic proportional valve 64 to flow to gear solenoid valve electric electromagnetic valve final controlling element in.
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) first, when the rotating speed of turbine 48 is lower than 1800r/min, not oil-filled in lockup clutch piston cavity, now the power of motor is delivered to pump impeller 49 through face of fluid torque converter driving wheel 1 and is sent on the output shaft 5 of fluid torque converter through turbine 48 and guide wheel 6, completes transmission of power when lockup clutch does not work;
(2) when the rotating speed of turbine 48 is higher than 1800r/min, oil-filled in lockup clutch piston cavity, lockup clutch combines, now the power of motor is delivered to lockup clutch by moving plate 3 through face of fluid torque converter driving wheel 1, then is sent on the output shaft 5 of fluid torque converter through turbine 48.
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 is started: the power of motor is delivered on pump impeller 49 through torque converter pump mid-wheel drive wheel 1, impulse turbine 48 after transmission oil in fluid torque converter accelerates by pump impeller 49, by transmission of power on the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives and moves with the forward gear clutch housing 9 of its spline joint, forward gear clutch housing 9 by transmission of power to keeping off in clutch drive hub 13 with five of its spline joint;
(2) power of motor is delivered on pump impeller 49 through torque converter pump mid-wheel drive wheel 1, impulse turbine 48 after transmission oil in fluid torque converter accelerates by pump impeller 49, by transmission of power on the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives and moves with the forward gear clutch housing 9 of its spline joint, when forward gear electro-hydraulic proportional valve 65 obtains electric, pressure oil imports in forward gear clutch housing 9 by forward gear electro-hydraulic proportional valve 65, promote forward gear clutch plunger 10 to move, such forward gear clutch plate 11 hub 12 in forward gear clutch is combined, by on hub 12 in transmission of power to forward gear clutch, be delivered on the planet row input shaft 30 with its spline joint by hub 12 in forward gear clutch, when control one keep off clutch electro-hydraulic proportional valve 66 electric time, pressure oil imports in a gear clutch active chamber by a gear clutch electro-hydraulic proportional valve 66, promote a gear clutch plunger 25 to move, after such gear clutch plate 24 locking, planet row one keeps off planet external toothing 43, as a planet row input shaft 30 of keeping off the sunshine wheel, transmission of power is kept off on planet wheel 45 to rear planet row one, make described rear planet row planet carrier 44 follow planet row input shaft 30 to move together, thus by transmission of power to output shaft 46, realize a gear power transmission,
(3) two gear power transmission: the power of motor is delivered on pump impeller 49 through torque converter pump mid-wheel drive wheel 1, impulse turbine 48 after transmission oil in fluid torque converter accelerates by pump impeller 49, by transmission of power on the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives and moves with the forward gear clutch housing 9 of its spline joint, when forward gear electro-hydraulic proportional valve 65 obtains electric, pressure oil imports in forward gear clutch housing 9 by forward gear electro-hydraulic proportional valve 65, promote forward gear clutch plunger 10 to move, such forward gear clutch plate 11 hub 12 in forward gear clutch is combined, by on hub 12 in transmission of power to forward gear clutch, be delivered on the planet row input shaft 30 with its spline joint by hub 12 in forward gear clutch, when control two gear clutch electro-hydraulic proportional valves 67 obtain electric, pressure oil imports in two gear clutch active chambers by two gear clutch electro-hydraulic proportional valves 67, promote two gear clutch plungers 22 to move, after such two gear clutch plate 21 lockings, planet row two keeps off planet external toothing 41, rear planet row two wheel 42 of keeping off the sunshine is connected with planet row input shaft 30 by spline, after utilizing, planet row two wheel 42 of keeping off the sunshine drives rear planet row two to keep off planet wheel 40 to rotate, drive described rear planet row planet carrier 44 directional rotating, thus by transmission of power to output shaft 46, realize two gear power transmission,
(4) three gear power transmission: the power of motor is delivered on pump impeller 49 through torque converter pump mid-wheel drive wheel 1, impulse turbine 48 after transmission oil in fluid torque converter accelerates by pump impeller 49, by transmission of power on the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives and moves with the forward gear clutch housing 9 of its spline joint, when forward gear electro-hydraulic proportional valve 65 obtains electric, pressure oil imports in forward gear clutch housing 9 by forward gear electro-hydraulic proportional valve 65, promote forward gear clutch plunger 10 to move, such forward gear clutch plate 11 hub 12 in forward gear clutch is combined, by on hub 12 in transmission of power to forward gear clutch, be delivered on the planet row input shaft 30 with its spline joint by hub 12 in forward gear clutch, when control three gear clutch electro-hydraulic proportional valves 68 obtain electric, pressure oil imports in three gear clutch active chambers by three gear clutch electro-hydraulic proportional valves 68, promote three gear clutch plungers 19 to move, such three gear clutch plate 20 locking front planetary lines 35, described planet row input shaft 30 utilizes rear planet row two wheel 42 of keeping off the sunshine to drive the exclusive gear ring 39 of middle planetary to rotate, the exclusive gear ring 39 of described middle planetary utilizes middle planetary to rank star-wheel 38 and power is passed to middle planetary seniority among brothers and sisters carrier 36 and sun wheel case 31 simultaneously, then power is by two circuit transmission: a, transmission of power is given the exclusive gear ring 34 of front planet by front planet row sun gear 32 and front planet rows of planetary wheel 33 by described sun wheel case 31 successively, hub 37 is connected by transmission of power extremely with on the described rear planet row planet carrier 44 of its spline joint by planet row, export through output shaft 46 again, b, described middle planetary seniority among brothers and sisters carrier 36 through planet row connect hub 37 by transmission of power to its spline joint described after on planet row planet carrier 44, then to export through output shaft 46, realize three gear power transmission,
(5) four gear power transmission: the power of motor is delivered on pump impeller 49 through torque converter pump mid-wheel drive wheel 1, impulse turbine 48 after transmission oil in fluid torque converter accelerates by pump impeller 49, by transmission of power on the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives and moves with the forward gear clutch housing 9 of its spline joint, when forward gear electro-hydraulic proportional valve 65 obtains electric, pressure oil imports in forward gear clutch housing 9 by forward gear electro-hydraulic proportional valve 65, promote forward gear clutch plunger 10 to move, such forward gear clutch plate 11 hub 12 in forward gear clutch is combined, by on hub 12 in transmission of power to forward gear clutch, be delivered on the planet row input shaft 30 with its spline joint by hub 12 in forward gear clutch, when control four gear clutch electro-hydraulic proportional valves 69 obtain electric, pressure oil imports in four gear clutch active chambers by four gear clutch electro-hydraulic proportional valves 69, promote four gear clutch plungers 17 to move, such four gear clutch plate 14 lockings five keep off clutch housing 15, make the sun wheel case 31 of keeping off clutch housing 15 spline joint with described five static, described planet row input shaft 30 utilizes rear planet row two wheel 42 of keeping off the sunshine to drive the exclusive gear ring 39 of middle planetary to rotate, power is passed to planet row through described middle planetary seniority among brothers and sisters carrier 36 to be connected on hub 37, drive described rear planet row planet carrier 44 directional rotating, thus by transmission of power to output shaft 46, realize four gear power transmission,
(6) five gear power transmission: the power of motor is delivered on pump impeller 49 through torque converter pump mid-wheel drive wheel 1, impulse turbine 48 after transmission oil in fluid torque converter accelerates by pump impeller 49, by transmission of power on the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives and moves with the forward gear clutch housing 9 of its spline joint, when forward gear electro-hydraulic proportional valve 65 obtains electric, pressure oil imports in forward gear clutch housing 9 by forward gear electro-hydraulic proportional valve 65, promote forward gear clutch plunger 10 to move, such forward gear clutch plate 11 hub 12 in forward gear clutch is combined, by on hub 12 in transmission of power to forward gear clutch, be delivered on the planet row input shaft 30 with its spline joint by hub 12 in forward gear clutch, when control five gear clutch electro-hydraulic proportional valves 70 obtain electric, pressure oil imports in five gear clutch active chambers by five gear clutch electro-hydraulic proportional valves 70, promote five gear clutch plungers 18 to move, such five gear clutch plate 16 lockings five keep off clutch drive hub 13, five gear clutch assemblies and five gear clutch drive hub 13 are together moved, thus the sun wheel case 31 of keeping off clutch housing 15 spline joint with described five is rotated, described planet row input shaft 30 utilizes rear planet row two wheel 42 of keeping off the sunshine to drive the exclusive gear ring 39 of middle planetary to rotate, power is passed to planet row through described middle planetary seniority among brothers and sisters carrier 36 to be connected on hub 37, drive described rear planet row planet carrier 44 directional rotating, thus by transmission of power to output shaft 46, realize five gear power transmission,
(7) to reverse gear power transmission: the power of motor is delivered on pump impeller 49 through torque converter pump mid-wheel drive wheel 1, impulse turbine 48 after transmission oil in fluid torque converter accelerates by pump impeller 49, by transmission of power on the output shaft 5 of fluid torque converter, the output shaft 5 of fluid torque converter drives and moves with the forward gear clutch housing 9 of its spline joint, and forward gear clutch housing 9 drive keeps off clutch drive hub 13 with five of its spline joint and together moves.When during five gear clutch work, control five gear clutch electro-hydraulic proportional valves 70 obtain electric, pressure oil imports in five gear clutch active chambers by five gear clutch electro-hydraulic proportional valves 70, promote five gear clutch plungers 18 to move, such five gear clutch plate 16 lockings five keep off clutch drive hub 13, five gear clutch assemblies and five gear clutch drive hub 13 are together moved, thus the sun wheel case 31 of keeping off clutch housing 15 spline joint with described five is rotated, then transmission of power is given described middle planetary seniority among brothers and sisters carrier 36 and the exclusive gear ring 39 of middle planetary by middle planetary seniority among brothers and sisters star-wheel 38 by described sun wheel case 31, during two gear clutch work, when control two gear clutch electro-hydraulic proportional valves 67 obtain electric, pressure oil imports in two gear clutch active chambers by two gear clutch electro-hydraulic proportional valves 67, promote two gear clutch plungers 22 to move, after such two gear clutch plate 21 lockings, planet row two keeps off planet external toothing 41, described middle planetary exclusive gear ring 39 drives wheel 42 of keeping off the sunshine with the rear planet row two of its spline joint to move, thus rear planet row planet carrier 44 is rotated backward relative to the output shaft 5 of fluid torque converter, again by transmission of power to output shaft 46, realize reversing gear power transmission.
The present invention is provided with fluid power retarder between fluid torque converter and planetary transmission, realizes the flexible brake of mine truck, and reduce mechanical braking to the impact of motor, transmission system and mechanical braking sytem, braking ability is good.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing 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 (3)
1. a hydraulic transmission box, comprise fluid torque converter and planetary transmission, described fluid torque converter comprises: the torque converter pump mid-wheel drive wheel (1) be fixedly connected with and pump impeller (49), the torque-converters hub (51) be located at turbine (48) in described pump impeller (49) and guide wheel (6), be sheathed on output shaft (5) outside of described fluid torque converter, output shaft (5) spline joint of described turbine (48) and fluid torque converter, described guide wheel (6) is connected with torque-converters hub (51) by free wheel device (50);
Lockup clutch is provided with in described fluid torque converter, this lockup clutch comprises the lockup clutch piston (2) be slidedly arranged in described torque converter pump mid-wheel drive wheel (1), is located at the lockup clutch of this lockup clutch piston (2) side successively by moving plate (3) and lockup clutch platen (4), and described lockup clutch is often engaged with the gear on described turbine (48) by moving plate (3);
Fluid power retarder is provided with between described fluid torque converter and planetary transmission, it comprises: be fixedly arranged on the retarder housing (8) between described fluid torque converter and planetary transmission, the retarder impeller (7) be located in this retarder housing (8), output shaft (5) spline joint of this retarder impeller (7) and described fluid torque converter;
It is characterized in that, described planetary transmission comprises: be located at the planet row input shaft (30) between the output shaft (5) of described fluid torque converter and the output shaft (46) of hydraulic transmission box, planetary transmission casing (47), the connection housing (23) be connected with described planetary transmission casing (47), epicyclic train is provided with in described planetary transmission casing (47), forward gear clutch assembly, five gear clutch assemblies, four gear clutch assemblies, three gear clutch assemblies, two gear clutch assemblies, one gear clutch assembly, central supporting (29), the side of described connection housing (23) is fixed with output terminal housing (26),
Wherein, described forward gear clutch assembly comprises: with the forward gear clutch housing (9) of output shaft (5) spline joint of described fluid torque converter, be slidedly arranged on the forward gear clutch plunger (10) in this forward gear clutch housing (9), internal messing hub (12) in the forward gear clutch in described planet row input shaft (30) outside, is incorporated into the forward gear clutch plate (11) in hub (12) outside in this forward gear clutch;
Described epicyclic train comprises: the sun wheel case (31) being sheathed on described planet row input shaft (30) outside, front planet row, middle planetary row and rear planet row; Wherein, described front planet package is drawn together: the front planet row sun gear (32) of internal messing outside described sun wheel case (31), with the n of described front planet row sun gear (32) outer gearing
1individual front planet rows of planetary wheel (33), with n
1the exclusive gear ring of front planet (34) of individual described front planet rows of planetary wheel (33) internal messing, supports n
1the front planetary line (35) of individual described front planet rows of planetary wheel (33);
Described middle planetary package is drawn together: middle planetary seniority among brothers and sisters carrier (36), the planet row simultaneously ranking carrier (36) internal messing with the exclusive gear ring of described front planet (34) and middle planetary is connected hub (37), with the n of described sun wheel case (31) outer gearing
2individual middle planetary seniority among brothers and sisters star-wheel (38), with n
2the exclusive gear ring of middle planetary (39) of individual described middle planetary seniority among brothers and sisters star-wheel (38) internal messing;
Described rear planet row comprises: inside and outside circle is keeped off the sunshine with the rear planet row two of described planet row input shaft (30) and the exclusive gear ring of middle planetary (39) internal messing respectively and taken turns (42), keeps off the sunshine take turns the n of (42) outer gearing with this rear planet row two
3individual rear planet row two keeps off planet wheel (40), with n
3the rear planet row two that individual described rear planet row two keeps off planet wheel (40) internal messing keeps off planet external toothing (41), inside and outside circle is connected the rear planet row planet carrier (44) of hub (37) internal messing respectively with described output shaft (46) and planet row, be located at the n on described rear planet row planet carrier (44)
4the rear planet row one of individual and described planet row input shaft (30) outer gearing keeps off planet wheel (45), with n
4the rear planet row one that individual described rear planet row one keeps off planet wheel (45) internal messing keeps off planet external toothing (43);
Described five gear clutch assemblies comprise: keep off clutch housing (15) with five of the outer ring internal messing of described sun wheel case (31), be slidedly arranged on five gears clutch plunger (18) in this five gear clutch housing (15), five gears clutch drive hub (13), are incorporated into five gears clutch plate (16) in this five gears clutch drive hub (13) outside;
Described four gear clutch assemblies comprise: four gears clutch plate (14) being incorporated into described five gear clutch housing (15) outsides, are slidedly arranged on four gears clutch plunger (17) in described central supporting (29);
Described three gear clutch assemblies comprise: three gears clutch plate (20) being incorporated into described front planetary line (35) outside, are slidedly arranged on three gears clutch plunger (19) in described central supporting (29);
Described two gear clutch assemblies comprise: be incorporated into two gears clutch plate (21) that described rear planet row two keeps off planet external toothing (41) outside, be slidedly arranged on two gears clutch plunger (22) in described connection housing (23);
A described gear clutch assembly comprises: be incorporated into gear clutch plate (24) that described rear planet row one keeps off planet external toothing (43) outside, be slidedly arranged on gear clutch plunger (25) in described output terminal housing (26).
2. hydraulic transmission box according to claim 1, is characterized in that, described n
1be 6, described n
2, n
3and n
4be 4.
3. a method of power transmission for hydraulic transmission box as claimed in claim 1, 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) first, when the rotating speed of turbine (48) is lower than 1800r/min, not oil-filled in lockup clutch piston cavity, now the power of motor is delivered to pump impeller (49) through torque converter pump mid-wheel drive wheel (1) and is sent on the output shaft (5) of fluid torque converter through turbine (48) and guide wheel (6), completes transmission of power when lockup clutch does not work;
(2) when the rotating speed of turbine (48) is higher than 1800r/min, oil-filled in lockup clutch piston cavity, lockup clutch combines, now the power of motor is delivered to lockup clutch by moving plate (3) through torque converter pump mid-wheel drive wheel (1), then is sent on the output shaft (5) of fluid torque converter through turbine (48);
The method of power transmission of described gear shift stage comprises the steps:
(1) neutral is started: the power of motor is delivered on pump impeller (49) through torque converter pump mid-wheel drive wheel (1), impulse turbine (48) after transmission oil in fluid torque converter accelerates by pump impeller (49), by transmission of power on the output shaft (5) of fluid torque converter, the output shaft (5) of fluid torque converter drives and moves with the forward gear clutch housing (9) of its spline joint, forward gear clutch housing (9) by transmission of power to keeping off in clutch drive hub (13) with five of its spline joint;
(2) one gear power transmission: the power of motor is delivered on pump impeller (49) through torque converter pump mid-wheel drive wheel (1), impulse turbine (48) after transmission oil in fluid torque converter accelerates by pump impeller (49), by transmission of power on the output shaft (5) of fluid torque converter, the output shaft (5) of fluid torque converter drives and moves with the forward gear clutch housing (9) of its spline joint, when forward gear electro-hydraulic proportional valve (65) obtains electric, pressure oil imports in forward gear clutch housing (9) by forward gear electro-hydraulic proportional valve (65), promote forward gear clutch plunger (10) motion, such forward gear clutch plate (11) combines with hub (12) in forward gear clutch, by on hub (12) in transmission of power to forward gear clutch, be delivered on the planet row input shaft (30) with its spline joint by hub (12) in forward gear clutch, when control one keep off clutch electro-hydraulic proportional valve (66) electric time, pressure oil imports in a gear clutch active chamber by gear clutch electro-hydraulic proportional valve (66), promote gear clutch plunger (25) motion, after such gear clutch plate (24) locking, planet row one keeps off planet external toothing (43), as a planet row input shaft (30) of keeping off the sunshine wheel, transmission of power is kept off on planet wheel (45) to rear planet row one, make described rear planet row planet carrier (44) follow planet row input shaft (30) to move together, thus by transmission of power to output shaft (46), realize a gear power transmission,
(3) two gear power transmission: the power of motor is delivered on pump impeller (49) through torque converter pump mid-wheel drive wheel (1), impulse turbine (48) after transmission oil in fluid torque converter accelerates by pump impeller (49), by transmission of power on the output shaft (5) of fluid torque converter, the output shaft (5) of fluid torque converter drives and moves with the forward gear clutch housing (9) of its spline joint, when forward gear electro-hydraulic proportional valve (65) obtains electric, pressure oil imports in forward gear clutch housing (9) by forward gear electro-hydraulic proportional valve (65), promote forward gear clutch plunger (10) motion, such forward gear clutch plate (11) combines with hub (12) in forward gear clutch, by on hub (12) in transmission of power to forward gear clutch, be delivered on the planet row input shaft (30) with its spline joint by hub (12) in forward gear clutch, when control two gear clutch electro-hydraulic proportional valve (67) obtains electric, pressure oil imports in two gear clutch active chambers by two gears clutch electro-hydraulic proportional valve (67), promote two gear clutch plunger (22) motions, after such two gear clutch plate (21) lockings, planet row two keeps off planet external toothing (41), rear planet row two wheel (42) of keeping off the sunshine is connected with planet row input shaft (30) by spline, utilize after planet row two keep off the sunshine wheel (42) drive after planet row two keep off planet wheel (40) rotation, drive described rear planet row planet carrier (44) directional rotating, thus by transmission of power to output shaft (46), realize two gear power transmission,
(4) three gear power transmission: the power of motor is delivered on pump impeller (49) through torque converter pump mid-wheel drive wheel (1), impulse turbine (48) after transmission oil in fluid torque converter accelerates by pump impeller (49), by transmission of power on the output shaft (5) of fluid torque converter, the output shaft (5) of fluid torque converter drives and moves with the forward gear clutch housing (9) of its spline joint, when forward gear electro-hydraulic proportional valve (65) obtains electric, pressure oil imports in forward gear clutch housing (9) by forward gear electro-hydraulic proportional valve (65), promote forward gear clutch plunger (10) motion, such forward gear clutch plate (11) combines with hub (12) in forward gear clutch, by on hub (12) in transmission of power to forward gear clutch, be delivered on the planet row input shaft (30) with its spline joint by hub (12) in forward gear clutch, when control three gear clutch electro-hydraulic proportional valve (68) obtains electric, pressure oil imports in three gear clutch active chambers by three gears clutch electro-hydraulic proportional valve (68), promote three gear clutch plunger (19) motions, such three gears clutch plate (20) locking front planetary line (35), after described planet row input shaft (30) utilizes, planet row two wheel (42) of keeping off the sunshine drives the exclusive gear ring of middle planetary (39) rotation, the exclusive gear ring of described middle planetary (39) utilizes middle planetary to rank star-wheel (38) and power is passed to middle planetary seniority among brothers and sisters carrier (36) and sun wheel case (31) simultaneously, then power is by two circuit transmission: a, transmission of power is given the exclusive gear ring of front planet (34) by front planet row sun gear (32) and front planet rows of planetary wheel (33) by described sun wheel case (31) successively, hub (37) is connected by transmission of power extremely with on the described rear planet row planet carrier (44) of its spline joint by planet row, export through output shaft (46) again, b, described middle planetary seniority among brothers and sisters carrier (36) through planet row connect hub (37) by transmission of power to its spline joint described after on planet row planet carrier (44), export through output shaft (46) again, realize three gear power transmission,
(5) four gear power transmission: the power of motor is delivered on pump impeller (49) through torque converter pump mid-wheel drive wheel (1), impulse turbine (48) after transmission oil in fluid torque converter accelerates by pump impeller (49), by transmission of power on the output shaft (5) of fluid torque converter, the output shaft (5) of fluid torque converter drives and moves with the forward gear clutch housing (9) of its spline joint, when forward gear electro-hydraulic proportional valve (65) obtains electric, pressure oil imports in forward gear clutch housing (9) by forward gear electro-hydraulic proportional valve (65), promote forward gear clutch plunger (10) motion, such forward gear clutch plate (11) combines with hub (12) in forward gear clutch, by on hub (12) in transmission of power to forward gear clutch, be delivered on the planet row input shaft (30) with its spline joint by hub (12) in forward gear clutch, when control four gear clutch electro-hydraulic proportional valve (69) obtains electric, pressure oil imports in four gear clutch active chambers by four gears clutch electro-hydraulic proportional valve (69), promote four gear clutch plunger (17) motions, such four gear clutch plate (14) lockings five keep off clutch housing (15), make the sun wheel case (31) of keeping off clutch housing (15) spline joint with described five static, after described planet row input shaft (30) utilizes, planet row two wheel (42) of keeping off the sunshine drives the exclusive gear ring of middle planetary (39) rotation, power is passed to planet row through described middle planetary seniority among brothers and sisters carrier (36) to be connected on hub (37), drive described rear planet row planet carrier (44) directional rotating, thus by transmission of power to output shaft (46), realize four gear power transmission,
(6) five gear power transmission: the power of motor is delivered on pump impeller (49) through torque converter pump mid-wheel drive wheel (1), impulse turbine (48) after transmission oil in fluid torque converter accelerates by pump impeller (49), by transmission of power on the output shaft (5) of fluid torque converter, the output shaft (5) of fluid torque converter drives and moves with the forward gear clutch housing (9) of its spline joint, when forward gear electro-hydraulic proportional valve (65) obtains electric, pressure oil imports in forward gear clutch housing (9) by forward gear electro-hydraulic proportional valve (65), promote forward gear clutch plunger (10) motion, such forward gear clutch plate (11) combines with hub (12) in forward gear clutch, by on hub (12) in transmission of power to forward gear clutch, be delivered on the planet row input shaft (30) with its spline joint by hub (12) in forward gear clutch, when control five gear clutch electro-hydraulic proportional valve (70) obtains electric, pressure oil imports in five gear clutch active chambers by five gears clutch electro-hydraulic proportional valve (70), promote five gear clutch plunger (18) motions, such five gear clutch plate (16) lockings five keep off clutch drive hub (13), five gear clutch assemblies and five gears clutch drive hub (13) are together moved, thus the sun wheel case (31) of keeping off clutch housing (15) spline joint with described five is rotated, after described planet row input shaft (30) utilizes, planet row two wheel (42) of keeping off the sunshine drives the exclusive gear ring of middle planetary (39) rotation, power is passed to planet row through described middle planetary seniority among brothers and sisters carrier (36) to be connected on hub (37), drive described rear planet row planet carrier (44) directional rotating, thus by transmission of power to output shaft (46), realize five gear power transmission,
(7) to reverse gear power transmission: the power of motor is delivered on pump impeller (49) through torque converter pump mid-wheel drive wheel (1), impulse turbine (48) after transmission oil in fluid torque converter accelerates by pump impeller (49), by transmission of power on the output shaft (5) of fluid torque converter, the output shaft (5) of fluid torque converter drives and moves with the forward gear clutch housing (9) of its spline joint, and forward gear clutch housing (9) drive keeps off clutch drive hub (13) with five of its spline joint and together moves, when during five gear clutch work, control five gear clutch electro-hydraulic proportional valve (70) obtains electric, pressure oil imports in five gear clutch active chambers by five gears clutch electro-hydraulic proportional valve (70), promote five gear clutch plunger (18) motions, such five gear clutch plate (16) lockings five keep off clutch drive hub (13), five gear clutch assemblies and five gears clutch drive hub (13) are together moved, thus the sun wheel case (31) of keeping off clutch housing (15) spline joint with described five is rotated, then described sun wheel case (31) ranks star-wheel (38) by transmission of power to described middle planetary seniority among brothers and sisters carrier (36) and the exclusive gear ring of middle planetary (39) by middle planetary, during two gear clutch work, when control two gear clutch electro-hydraulic proportional valve (67) obtains electric, pressure oil imports in two gear clutch active chambers by two gears clutch electro-hydraulic proportional valve (67), promote two gear clutch plunger (22) motions, after such two gear clutch plate (21) lockings, planet row two keeps off planet external toothing (41), the exclusive gear ring of described middle planetary (39) drives to keep off the sunshine with the rear planet row two of its spline joint and takes turns (42) and move, thus rear planet row planet carrier (44) is rotated backward relative to the output shaft (5) of fluid torque converter, again by transmission of power to output shaft (46), realization is reversed gear power transmission.
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| CN103591248B (en) * | 2013-11-12 | 2016-01-20 | 北京科技大学 | A kind of planetary automatic transmission |
| DE102013225954B3 (en) * | 2013-12-13 | 2015-05-13 | Voith Patent Gmbh | Motor vehicle drive train with a positioned in the exhaust stream Nutzturbine |
| CN108843785B (en) * | 2018-06-26 | 2021-04-13 | 北京航天发射技术研究所 | Signal detection system and method for hydraulic mechanical gearbox |
| CN113324006B (en) * | 2021-06-24 | 2023-05-09 | 陕西法士特齿轮有限责任公司 | Hydraulic torque converter assembly |
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