摘要:
Die Erfindung betrifft einen Achsantrieb (1) für ein Kraftfahrzeug (2), mit einem eine Antriebswelle (5) aufweisenden Antriebsaggregat (4), wobei die Antriebswelle (5) über eine Getriebestufe (7) mit einer Ausgangswelle (10) des Achsantriebs (1) gekoppelt ist. Dabei ist vorgesehen, dass die Antriebswelle (5) über eine zu ihr versetzt angeordnete Zwischenwelle (14) mit der Getriebestufe (7) gekoppelt ist, wobei die Zwischenwelle (14) auf einer ersten Seite einer eine Drehachse der Antriebswelle (5) aufnehmenden gedachten Ebene liegt, und wobei eine Leistungselektronik (18) auf einer der ersten Seite gegenüberliegenden zweiten Seite der Ebene über stirnseitig an dem Antriebsaggregat (4) angeordnete Anschlüsse (19) mit diesem elektrisch verbunden ist. Die Erfindung betrifft weiterhin eine Achsantriebseinrichtung (20) für ein Kraftfahrzeug (2).
摘要:
The present invention provides an integrated steering drive axle for a vehicle and an electric vehicle. The integrated steering drive axle includes an integrally rigid axle beam arranged to extend between the two wheels along the lateral direction of the vehicle, and two motor drive systems mounted at the axle beam, wherein each motor drive system can independently drive a corresponding one of the two wheels to rotate and turn; wherein each motor drive system includes: a first drive electric motor, arranged separately from the corresponding wheel; a first transmission mechanism, arranged between the first drive electric motor and the corresponding wheel and used for transferring the output power of the first drive electric motor to the corresponding wheel to drive the corresponding wheel to rotate; and a second drive electric motor, used for providing steering power necessary for steering the corresponding wheel. According to the present invention, the two motor drive systems for independently driving the wheels at opposite sides are mounted at the integrated steering drive axle, thereby improving the control flexibility of the vehicle and achieving independent driving and independent steering of the wheels.
摘要:
A power transmission system of a vehicle and a gear-shift control method are provided. The power transmission system includes a first drive assembly (101) and a second drive assembly (102). The first drive assembly includes a first automatic transmission (2) and a first motor (1) connected with the first automatic transmission (2) for outputting power to two wheels of the vehicle. The second drive assembly (102) includes a second automatic transmission (2000) and a second motor (1000) connected with the second automatic transmission (2000) for outputting power to the other two wheels of the vehicle. The first and second automatic transmission are configured to be shifted to a preset gear or a gear adjacent to the preset gear, such that when one of the first and second automatic transmission is shifted to the preset gear, the other one of the first and second automatic transmission is shifted to the preset gear or the gear adjacent to the preset gear.
摘要:
A gearing assembly includes a rotary input member, a rotary output member, and a gearing arrangement between the input member and the output member selectively able to effect a driving engagement between the input member and the output member through at least a first torque connection having a first gear ratio. A second torque connection has a second gear ratio and a third torque connection having a third gear ratio. The gearing arrangement includes a first engagement member operable selectively to effect the first torque connection in a 1:1 ratio, a first planetary gear stage, and a second planetary gear stage. A second engagement member is operable selectively to effect the second torque connection, and a third engagement member operable selectively to effect the third torque connection, respectively, through one or more of the planetary gear stages.
摘要:
A work vehicle 1 according to the present invention includes an engine 5 installed in a traveling machine body 2 supported by traveling units 3 and 4, and a transmission case 17 incorporating a hydraulic continuously variable transmission 500. The transmission case 17 incorporates a forward/backward traveling switching mechanism 501. The work vehicle 1 includes forward traveling valves 632 and 633 for forward traveling hydraulic clutches 537 and 539, a backward traveling valve 634 for a backward traveling hydraulic clutch 541, and a master valve 635 configured to control hydraulic oil supplying to the forward traveling valves 632 and 633 and the backward traveling valve 634. A part of a hydraulic circuit 620 is formed on a front lid member 491 of the transmission case 17. The forward traveling valves 632 and 633, the backward traveling valve 634, and the master valve 635 are attached on a front surface side of the front lid member 491.
摘要:
In a work vehicle such as a tractor, a higher output of a transmission case including a hydraulic mechanical transmission is achieved with a high efficiency, light weight, and low cost of the hydraulic mechanical transmission guaranteed. A transmission case 17 includes: a main transmission input shaft 511 to which the driving force is transmitted from the engine 5; and a main transmission output shaft 512 fit on the main transmission input shaft 511 in a relatively rotatable manner. The main transmission input shaft 511 is provided with a hydraulic pump unit 521, a cylinder block 800, and a fixed capacity hydraulic motor unit 522, forming a hydraulic mechanical transmission 500, arranged in series. Shifted driving force is transmitted to the main transmission output shaft 512 via the fixed capacity hydraulic motor unit 522. The transmission case 17 includes: a planetary gear mechanism 526 in which the driving force from the engine 5 and the shifted driving force to the main transmission output shaft 512 are combined; and a transmission shaft 535 with which the shifted driving force via the main transmission output shaft 512 and the combined driving force via the planetary gear mechanism 526 can be transmitted.
摘要:
The invention relates to a mechanical transmission (4) for a motor vehicle comprising: a gearbox (6) with a casing (12) and at least two transmission shafts (20, 22); at least one hydraulic machine (8, 10) of the pump or hydraulic motor type, mounted on the casing (12) and with a shaft (20, 22) coupled to one of the transmission shafts of the gearbox (6); at least one quarter, preferably at least one third, of the axial extent of the or of at least one of the hydraulic machines (8, 10) is housed in a cavity (32, 34) of the casing (12) of the gearbox (6). The invention also relates to a hybrid vehicle comprising such a mechanical transmission (4).
摘要:
A vehicle power unit is provided in which a transmission including a gear transmission mechanism and a gear selector mechanism is housed in a transmission case, the gear transmission mechanism having gear trains with a plurality of gear positions that can be established alternatively, the gear selector mechanism being capable of operating s as to alternatively establish the gear trains with the plurality of gear positions, and a plurality of rotational speed sensors individually detecting the rotational speed of a plurality of rotating members forming part of the transmission are mounted on the transmission case, wherein the plurality of rotational speed sensors (S1, S2, S3) are disposed in a distributed manner so as to sandwich the plurality of shaft members (81, 82, 83, 84) of the gear selector mechanism (51) in a projection on a plane orthogonal to a central axis (C1) of a crankshaft (27). This enables a plurality of rotational speed sensors to be disposed to the case while avoiding any increase in size.
摘要:
A transfer includes an input shaft (42), an output shaft (44), an output member (46), a high-low switching mechanism (48), a clutch (50), an actuator (84), a screw mechanism (86; 138; 190), a first transmitting mechanism (88a; 88d), a cam engaging member (103; 136; 180), a drum cam (100; 142; 182), and a second transmitting mechanism (88b; 88e). The high-low switching mechanism (48) is configured to change a rate of rotation of the input shaft (42) and transmit a resultant rotation to the output shaft (44). The second transmitting mechanism (88b; 88e) is configured to transmit a movement of one of the drum cam (100; 142; 182) and the cam engaging member (103; 136; 180) that is connected to a second shaft (102) to the high-low switching mechanism (48) via the second shaft (102) such that the high-low switching mechanism (48) switches between the high-speed gear and the low-speed gear.
摘要:
The present invention provides an integrated steering drive axle for a vehicle and an electric vehicle. The integrated steering drive axle includes an integrally rigid axle beam arranged to extend between the two wheels along the lateral direction of the vehicle, and two motor drive systems mounted at the axle beam, wherein each motor drive system can independently drive a corresponding one of the two wheels to rotate and turn; wherein each motor drive system includes: a first drive electric motor, arranged separately from the corresponding wheel; a first transmission mechanism, arranged between the first drive electric motor and the corresponding wheel and used for transferring the output power of the first drive electric motor to the corresponding wheel to drive the corresponding wheel to rotate; and a second drive electric motor, used for providing steering power necessary for steering the corresponding wheel. According to the present invention, the two motor drive systems for independently driving the wheels at opposite sides are mounted at the integrated steering drive axle, thereby improving the control flexibility of the vehicle and achieving independent driving and independent steering of the wheels.