SU1580073A1

SU1580073A1 - Elastic safety clutch

Info

Publication number: SU1580073A1
Application number: SU884410245A
Authority: SU
Inventors: Бронисловас Пранович Спруогис; Аудрюс Юзович Шатас; Юргис Иванович Юревич; Эваристас-Альгирдас Иванович Тоторайтис; Владимир Мойсеевич Фролов
Original assignee: Вильнюсский Инженерно-Строительный Институт
Priority date: 1988-04-13
Filing date: 1988-04-13
Publication date: 1990-07-23

Abstract

Изобретение относитс к машиностроению и предназначено дл соединени валов и передачи крут щего момента при значительных осевых, радиальных и угловых смещени х соедин емых валов, а также демпфировани крутильных колебаний, динамических нагрузок, толчков и ударов с одновременным предохранением узлов и деталей машин от перегрузки и поломок при превышении передаваемого крут щего момента. Цель изобретени - повышение несущей способности, улучшение компенсирующих свойств при наличии угловых и осевых смещений соедин емых валов, а также улучшение демпфирующих способностей. Муфта состоит из двух идентичных полумуфт, выполненных в виде ступиц с противоположными хвостовиками 3. Промежуточный элемент выполнен в виде крестовины 6, установленной между полумуфтами. На выступах крестовины с возможностью поворота установлены двуплечие рычаги 4, контактирующие с хвостовиками полумуфт. Пружины кручени 9 установлены на выступах крестовины и концы их жестко соединены с рычагами и ступицей крестовины. При перегрузке происходит поворот рычагов относительно полумуфт. Положение повернутых рычагов фиксируетс подпружиненными пальцами, что исключает удары рычагов о хвостовики полумуфты. 3 з.п. ф-лы, 7 ил.The invention relates to mechanical engineering and is intended for connecting shafts and transmitting torque with significant axial, radial and angular displacements of connected shafts, as well as damping torsional vibrations, dynamic loads, jolts and impacts with simultaneous protection of components and machine parts from overload and breakage. when exceeding the transmitted torque. The purpose of the invention is to increase the carrying capacity, improve the compensating properties in the presence of angular and axial displacements of the connected shafts, as well as improve the damping capabilities. The coupling consists of two identical coupling halves, made in the form of hubs with opposite shafts 3. The intermediate element is designed as a crosspiece 6, mounted between the coupling halves. On the protrusions of the crosspiece, two shoulders levers 4 are installed, which are in contact with the shanks of the coupling halves. The torsion springs 9 are mounted on the projections of the cross and their ends are rigidly connected to the arms and the hub of the cross. When overloading, the levers rotate relative to the coupling halves. The position of the rotated arms is fixed by spring-loaded fingers, which excludes the impact of the arms on the shafts of the coupling half. 3 hp f-ly, 7 ill.

Description

ФигЛFy

Фие.ЗFi.Z

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Фиг. itFIG. it

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Claims

Claim

1. An elastic safety clutch comprising a driving and driven floor of the clutch located coaxially and connecting links with torsion springs located between the half couplings, characterized in that, in order to increase the compensating, bearing and damping abilities and durability, it is equipped with a cross located between half-couplings and associated with them by means of fingers located along the axis of the coupling with elastic bushings mounted on them, each half-coupling is made with four tail diametrically opposite ovikami, the connecting links are made in the form of two-arm levers pivotally mounted on the protrusions of the crosspiece, the torsion springs are mounted concentrically to the protrusion and the crosspiece and are rigidly connected at one end to the two-arm lever and the other to the crosspiece, with the ends of the two-arm levers in contact with the side surfaces of the shafts of the coupling halves.

2. Coupling in π. 1 ', characterized in that it is equipped with means for fixing the position of the levers when triggered, made in the form of spring-loaded fingers mounted on each end of the cross and finger recesses made on each lever.

3. The coupling according to paragraphs. 1 and 2, characterized in that the side surfaces of the shanks are made concave.

4. The coupling according to paragraphs. 1-3, characterized in that the surfaces of the two-arm levers are barrel-shaped, the radius of curvature of which corresponds to the radius of curvature of the concave lateral surface of the shanks of the coupling halves.

FIG. 4

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Fie. 5

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