RU2071921C1

RU2071921C1 - Vehicle power takeoff shaft drive

Info

Publication number: RU2071921C1
Authority: RU
Inventors: Петр Адамович Амельченко; Михаил Григорьевич Мелешко; Иван Иванович Болвако; Георгий Георгиевич Трусевич; Антон Дмитриевич Кузнецов; Юрий Михайлович Шевик
Original assignee: Производственное объединение "Минский тракторный завод им.В.И.Ленина"
Priority date: 1992-06-29
Filing date: 1992-06-29
Publication date: 1997-01-20

Abstract

FIELD: transport engineering; power takeoff shaft drives of tractors and similar vehicles. SUBSTANCE: vehicle power takeoff shaft drive has driving shaft which is input shaft of gearbox and driven shaft, both mechanically coupled by gears. Gearbox gears serve as gears of drive. Drive driven shaft is installed coaxially with one of gearbox driven shafts and is mechanically coupled with gearbox driven shaft adjacent to gearbox input shaft. One of gears of gearbox driven shaft adjacent to input shaft, which is in meshing with input shaft gear, is installed for engagement with shaft and is provided with at least one additional torque transmitting member. Mechanical coupling of drive driven shaft and gearbox driven shaft can be made in the form of change-over device including a hub, rigidly fitted on gearbox driven shaft adjacent to input shaft and furnished with at least one torque transmitting member, at least one additional torque transmitting member of above indicated freely fitted gear of gearbox driven shaft, and sleeve furnished with at least one torque transmitting member and installed coaxially with above indicated freely fitted gear of gearbox driven shaft for axial travel and engagement with above indicated hub or above indicated freely fitted gear of gearbox driven shaft. Mechanical coupling of drive driven shaft with gearbox driven shaft can also be made in the form of torque transmitting device including at least one additional torque transmitting member of above indicated freely fitted gear of gearbox driven shaft, at least one additional torque transmitting member coupled with drive driven shaft and sleeve constantly engaged with above indicated freely fitted gear of gearbox driven shaft and with torque transmitting member coupled with drive driven shaft. Power takeoff shaft drive can be furnished with additional driven shaft installed coaxially with indicated shaft and coupled with the latter. Both driven shafts of drive are engaged with one and the same driven shaft of gearbox. EFFECT: improved reliability of operation. 7 cl, 6 dwg

Description

Использование: изобретение относится к механизмам привода валов отбора мощности тракторов и аналогичных транспортных средств. Существо: в приводе вала отбора мощности транспортного средства, содержащем ведущий вал, являющийся входным валом коробки передач, и ведомый вал, кинематически связанные посредством шестерен, шестернями привода являются шестерни коробки передач, ведомый вал привода установлен соосно одному из ведомых валов коробки передач и кинематически связан с ведомым валом коробки передач, смежным с входным валом коробки передач. Одна из шестерен ведомого вала коробки передач, смежного с входным валом, находящаяся в зацеплении с шестерней входного вала, установлена с возможностью соединения с валом и снабжена, по меньшей мере, одним дополнительным элементом передачи крутящего момента. Кинематическая связь ведомого вала привода с ведомым валом коробки передач может быть выполнена в виде переключающего устройства, включающего ступицу, жестко установленную на ведомом валу коробки передач, смежном с входным валом, и снабженную, по меньшей мере, одним элементом передачи крутящего момента, по меньшей мере, один дополнительный элемент передачи крутящего момента упомянутой свободно установленной шестерни ведомого вала коробки передач, и муфту, снабженную по меньшей мере, одним элементом передачи крутящего момента и установленную соосно упомянутой свободно установленной шестерне ведомого вала коробки передач с возможностью осевого перемещения и соединения с упомянутой ступицей или упомянутой свободно установленной шестерней ведомого вала коробки передач. Кинематическая связь ведомого вала привода с ведомым валом коробки передач может быть выполнена и в виде устройства передачи крутящего момента, включающего, по меньшей мере, один дополнительный элемент передачи крутящего момента упомянутой свободно установленной шестерни ведомого вала коробки передач, по меньшей мере, один дополнительный элемент передачи крутящего момента, связанный с ведомым валом привода, и муфту, постоянно соединенную с упомянутой свободно установленной шестерней ведомого вала коробки передач и элементом передачи крутящего момента, связанным с ведомым валом привода. Привод вала отбора мощности может быть снабжен дополнительным ведомым валом, установленным соосно имеющемуся и связанным с ним, при этом оба ведомых вала привода связаны с одним и тем же ведомым валом коробки передач. 6 з.п. ф-лы. 6 ил. Usage: the invention relates to mechanisms for driving power take-off shafts of tractors and similar vehicles. Creature: in a vehicle’s power take-off drive, comprising a drive shaft, which is the input shaft of the gearbox, and a driven shaft kinematically connected by gears, gears of the drive are gears of the gearbox, the driven shaft of the drive is mounted coaxially to one of the driven shaft of the gearbox and is kinematically connected with the driven shaft of the gearbox adjacent to the input shaft of the gearbox. One of the gears of the driven shaft of the gearbox adjacent to the input shaft, meshed with the gear of the input shaft, is installed with the possibility of connection with the shaft and is equipped with at least one additional torque transmission element. The kinematic connection of the driven shaft of the drive with the driven shaft of the gearbox can be made in the form of a switching device, including a hub, rigidly mounted on the driven shaft of the gearbox adjacent to the input shaft, and equipped with at least one torque transmission element, at least , one additional torque transmission element of said freely mounted gear of the driven shaft of the gearbox, and a clutch equipped with at least one torque transmission element and setting coaxially referred to said freely mounted gear of the driven shaft of the gearbox with the possibility of axial movement and connection with said hub or said freely mounted gear of the driven shaft of the gearbox. The kinematic connection of the driven shaft of the drive with the driven shaft of the gearbox can be made in the form of a torque transmission device, including at least one additional torque transmission element of the aforementioned freely mounted gear shaft of the transmission shaft, at least one additional transmission element torque associated with the driven shaft of the drive, and a clutch permanently connected to the aforementioned freely mounted gear shaft of the gearbox shaft and the transmission element of torque, connected to the output drive shaft. The drive of the power take-off shaft can be equipped with an additional driven shaft mounted coaxially to the existing one and connected with it, while both driven shaft of the drive are connected to the same driven shaft of the gearbox. 6 c.p. f-ly. 6 ill.

Claims

1. A drive of a power take-off shaft of a vehicle, comprising a drive shaft, which is the input shaft of the gearbox, and a driven shaft kinematically connected by gears, characterized in that the gears of the gearbox are used as drive gears, the driven drive shaft is mounted coaxially with one of the driven gearbox shafts and is kinematically connected with the gearbox driven shaft closest to the input shaft or with one of the gears mounted on it.

2. The drive according to claim 1, characterized in that one of the outer gears closest to the input shaft of the driven shaft of the gearbox, on the side of the driven shaft of the drive, meshed with the gear of the input shaft, is installed freely and equipped with at least one torque transmission element torque for connecting to the shaft and additionally at least one torque transmission element to the driven shaft of the drive.

3. The drive according to paragraphs. 1 and 2, characterized in that the kinematic connection of the driven shaft of the drive with the driven shaft of the gearbox closest to the input shaft is made in the form of a switching device containing a hub rigidly mounted on said driven shaft of the gearbox and provided with at least one torque transmission element, at least one additional torque transmission element of said freely mounted gear and a coupling coaxial therewith provided with at least one torque transmission element and installed with the possibility of axial movement.

4. The drive on PP. 1 and 2, characterized in that the kinematic connection of the driven shaft of the drive with the driven shaft of the gearbox closest to the input shaft is made in the form of a torque transmission device containing at least one additional torque transmission element of said freely mounted gear, at least one element transmitting the torque of the driven shaft of the drive and the coupling connecting them.

5. The drive according to paragraphs. 1 and 2, characterized in that the kinematic connection of the driven shaft of the drive with the driven shaft of the gearbox closest to the input shaft is made in the form of a switching device containing a hub rigidly mounted on said driven shaft of the gearbox and provided with at least one torque transmission element, at least one additional torque transmission element of said freely mounted gear, a clutch coaxial therewith, provided with at least one torque transmission element, and Formation axially movable, and the two gears, one of which is freely mounted on the input shaft near to the driven shaft of a transmission and provided with at least one torque transmitting element and the other on the driven shaft of the drive for axial displacement.

6. The drive according to paragraphs. 1 and 2, characterized in that the kinematic connection of the driven shaft of the drive with the driven shaft of the gearbox closest to the input shaft is made in the form of a transmission shaft driven by the driven shaft of the gearbox, comprising a torque transmission device containing at least one additional torque transmission element the aforementioned freely mounted gears, at least one transmission element of the torque of the driven drive shaft and the coupling connecting them, and two gears, one of which is mounted loosely at the nearest to the input shaft of the driven shaft of the gearbox and is provided with at least one torque transmitting element and the other on the driven shaft of the drive for axial displacement.

7. The drive according to claim 1, characterized in that it is provided with an additional driven shaft mounted coaxially with the existing and oppositely directed, while both driven shafts are connected to the same driven shaft of the gearbox or to one of the gears mounted on it.