SU691633A1

SU691633A1 - Hydromechanical gearing

Info

Publication number: SU691633A1
Application number: SU782619085A
Authority: SU
Inventors: Израиль Гильевич Шейнкер; Владимир Петрович Меленцевич; Леонид Григорьевич Красневский; Владимир Викентьевич Богданович; Валерий Иванович Кочергин; Олег Львович Косткин
Original assignee: Предприятие П/Я Р-6131
Priority date: 1978-05-22
Filing date: 1978-05-22
Publication date: 1979-10-15

Description

(54) ГИДТОМЕХАНИ ЧЕС КАЯ ПЕРЕДАЧА(54) GIDTOMEKHANI CES KAY TRANSMISSION

. -1 .. -one .

Изобретение относитс к области энергетического машиностроени и может быть использовано в транспортных машинах.The invention relates to the field of power engineering and can be used in transport vehicles.

Известны гидромеханические передачи , содержащие гидротрансформатор с системой тЙтани , многоступенчатую планетарную коробку передач с системой смазки, первичный вал которой имеет полость дл подачи смазки в узлы коробки передач и подшипники сателлитов последней ll. Недостатком таких гидромеханических передач вл етс перераспределение количества смазывающей жидкости , поступающей к местам смазки трущихс поверхностей, за счет действи центробежных сил, что приводит к выходу из стро подшипников сателлитов .Hydromechanical transmissions are known that contain a TYTANI torque converter, a multi-stage planetary gearbox with a lubrication system, the primary shaft of which has a cavity for supplying lubricant to the gearbox assemblies and bearings of the satellites of the last ll. The disadvantage of such hydromechanical transmissions is the redistribution of the amount of lubricating fluid supplied to the lubrication points of the rubbing surfaces due to the action of centrifugal forces, which leads to the failure of the satellite bearings.

Цель изобретени - повьпдение надежности и долговечности передачи. Это достигаетс тем, что в . предлагаемой передаче полость разделена трубчатой перегородкой на внутренний и наружныйThe purpose of the invention is to improve the reliability and durability of the transmission. This is achieved by c. the proposed transmission cavity is divided by a tubular partition on the inner and outer

концентричные каналы, первый из которых св зан с системой питани гидр6 трансформатора и посредством дроссел с подшипниками сателлитов, а второй с узлами коробки передач и ее системой смазки. ,concentric channels, the first of which is connected with the transformer power supply system of the transformer and through the throttles with the bearings of the satellites, and the second with the transmission assemblies and its lubrication system. ,

Внутренний канал может быть дополнительно св зан с системой смазки коробки передач посредством перепускного и обратного клапанов.The internal passage may be further associated with the transmission lubrication system by means of overflow and non-return valves.

На фиг. 1 показана схема описываемой гидромеханической передачи; на фиг. 2 - узел I на фиг. 1.FIG. 1 shows the scheme described hydromechanical transmission; in fig. 2 — node I in FIG. one.

Claims

The hydromechanical transmission contains a torque converter t with a power supply system 2 and a multistage planetary gearbox 3 with a lubrication system 4, the primary shaft 5 of which has a cavity 6 for supplying the lubricant to the gearbox assemblies and the bearings of the seven satellites last. The cavity 6 is divided by a tubular partition 8 into the inner 9 and outer 10 concentric channels, the first of which is connected to the power supply system 2 of the torque converter 1 and through the throttles 1.1 with bearings of the 7 satellites, and the second with the gearbox assemblies 3 and its lubrication system 4. In 1 m the channel 9 can be additionally connected to the system 4 of lubrication of the box front 3 by means of bypass 12 and reverse 13 clans. Hydromechanical transmission works as follows. From the hydromechanical transmission, pumps (not shown in the drawing) are used to supply the fluid to the power supply system 2 of the torque converter 1 and the system 4. Gearbox lubrication 3. To lubricate the bearings of the satellite 7, a portion of the fluid from the power supply system 2 of the torque converter 1 is used. Liquid is supplied In the inner Katsap 9 and through the choke 11 enters the bearings 7 satellites. When the pressure in the supply system of the torque converter 1 drops, the liquid is additionally supplied from the outer channel 1 of the system 4 to lubricate the gearbox 3 through the overflow 12 and the backflow valve 13 to lubricate the bushing of the satellites. The advantage of the proposed hydromechanical transmission is the elimination of the effect of the redistribution of lubricating fluid inside the gearbox central shaft in the entire working range of rotational frequencies on the amount of lubricating fluid that goes to the spacers of the satellites. Thanks to this, Pryngasts has the reliability of hydromechanical transmission and expands its use by increasing the allowable rotational speed of the drive motor. Claim 1. Hydromechanical transmission comprising a torque converter with a power supply system, a multi-stage planetary gearbox with a lubrication system, the primary) HY shaft of which has a cavity for supplying lubricant to the gearbox assembly and satellite supports of the latter, characterized in that, in order to increase reliability and durability, the cavity is divided by a tubular partition into internal and external concentric channels, the first of which is connected with the power supply system: a torque converter and through the throttle with a bearing satellites, and the second with gearbox nodes and its system and lubrication.

2. Transmission according to claim 1, so that the internal channel is additionally connected to the gearbox lubrication system by means of bypass and non-return valves. Sources of information taken into account during the examination 1. Mazalov N. D., Trusov S. N. Hydromech: nical gearboxes. M., Mechanical Engineering, 1971, p. 253, fig. 115