SU1268111A3

SU1268111A3 - Elastic coupling

Info

Publication number: SU1268111A3
Application number: SU833594671A
Authority: SU
Inventors: Седлачек Йожеф; Гарамфелдьи Тивард
Original assignee: Диошдьери Гепдьяр (Инопредприятие)
Priority date: 1982-11-16
Filing date: 1983-05-17
Publication date: 1986-10-30
Also published as: CS248040B2; DD209884A5; HU186991B; CS349983A2

Abstract

Изобретение относитс к области машиностроени . Цель изобретени повышение надежности и срока службы муфты за счет снижени осевых и радиальных нагрузок. Муфта содержит две полумуфты 1 и 2 с торцовыми кулачками 3 и 4 и упругий элемент в виде кольца 5 с радиальными выступами 6 на его наружной поверхности, каждый из которых расположен между кулачками 3 и 4 обеих полумуфт 1 и 2. Дл снижени осевых и радиальных нагрузок рабочие поверхности 7 и 8 кулачков 3 и 4 выполнены вогнутыми, а рабочие поверхности 9 и 10 выступов 6 кольца 5 выполнены выпуклыми. Ширина кольца 5 по меньшей мере равна ширине его выступов, а каждый выступ 6 св зан с кольцом 5 посредством перемычки, ширина которой равна 0,7 ширины выступа 6, центры радиусов кривизны рабочих поверхностей 7 и 8 кулачков 3 и 4 расположены на окружности, диаметр которой больше диаметра окружности центров выступов 6 кольца 5. Радиус кривизны раСО бочей поверхности 9 или 10 каждого выступа 6 упругого элемента может быть выполнен в два раза большим радиуса кривизны рабочей поверхности 7 The invention relates to the field of engineering. The purpose of the invention is to increase the reliability and service life of the coupling by reducing axial and radial loads. The clutch contains two coupling halves 1 and 2 with end cams 3 and 4 and an elastic element in the form of a ring 5 with radial protrusions 6 on its outer surface, each of which is located between cams 3 and 4 of both half couplings 1 and 2. To reduce axial and radial loads The working surfaces 7 and 8 of the cams 3 and 4 are made concave, and the working surfaces 9 and 10 of the projections 6 of the ring 5 are made convex. The width of the ring 5 is at least equal to the width of its protrusions, and each protrusion 6 is connected to the ring 5 by means of a web, the width of which is 0.7 width of the protrusion 6, the centers of the radii of curvature of the working surfaces 7 and 8 of the cams 3 and 4 are located on a circle, the diameter which is larger than the diameter of the centers of the protrusions 6 of the ring 5. The radius of curvature of the razo barrel surface 9 or 10 of each protrusion 6 of the elastic element can be made twice as large as the radius of curvature of the working surface 7

Description

11268 Изобретение относитс к машиностроению и может быть использовано дл соединени валов машин и механизмов . Целью изобретени вл етс повыше- j ние надежности и срока службы муфты за счет снижени осевых и радиальных нагрузок. На фиг.1 изображена упруга муфта, общий вид; на фиг.2 - то же, сечение ; 10 11268 The invention relates to mechanical engineering and can be used to connect the shafts of machines and mechanisms. The aim of the invention is to increase the reliability and service life of the coupling by reducing axial and radial loads. Figure 1 shows the elastic coupling, a General view; figure 2 is the same section; ten

на фиг.З - сечение А-А на фиг.2; на фиг.4 - сечение Б-Б на фиг.З.on fig.Z - section aa in figure 2; figure 4 - section bb in fig.Z.

Упруга муфта содержит две полумуфты 1 и 2 с торцовьп т кулачками 3 и 4 и упругий элемент в виде кох(ьца (5 с радиальными выступами 6 на его наружной поверхности, каждый из которых расположен между кулачками 3 и 4 обеих полумуфт 1 и 2. Рабочие поверхности 7 и 8 кулачков 3 и 4 полумуфт 1 и 2 выполнены вогнутыми, а рабочие поверхности 9 и 10 выступовThe elastic coupling contains two coupling halves 1 and 2 with an end face with cams 3 and 4 and an elastic element in the form of a shell (5 (5 with radial protrusions 6 on its outer surface, each of which is located between the cams 3 and 4 of both half couplings 1 and 2. Workers the surfaces 7 and 8 of the cams 3 and 4 of the half couplings 1 and 2 are concave, and the working surfaces 9 and 10 of the projections

6кольца 5 выполнены вьшуклыми. Ширина В кольца 5 по. меньшей мере равна ширине Ъ его выступов, а каждый выступ 6 св зан с кольцом 5 посредством перемычки 11, ширина а которой равна 0,7 ширины b выступа 6, центры радиусов кривизны г рабочих поверхностей6 rings 5 are designed to be rounded. Width in rings 5 by. at least equal to the width b of its protrusions, and each protrusion 6 is associated with the ring 5 by means of a jumper 11, the width a of which is 0.7 the width b of the protrusion 6, the centers of the radii of curvature g of the working surfaces

7и 8 кулачков 3 и 4 полумуфт 1 и 2 расположены на окружности, диаметр dg которой больше диаметра окру :ности центров выступов 6 кольца 5. Радиус кривизны R рабочей поверхности 9 (10) каждого выступа 6 упругого; элемента может быть вьшолнен в двй раза большим радиуса кривизны г рабочей поверхности 7 (8) кулачка 3 (4 полумуфты 1(2).7 and 8 cams 3 and 4 half couplings 1 and 2 are located on a circle whose diameter dg is larger than the circumference of the centers of the projections 6 of the ring 5. The radius of curvature R of the working surface 9 (10) of each projection 6 is elastic; The element can be made twice as large as the radius of curvature g of the working surface 7 (8) of cam 3 (4 coupling halves 1 (2).

Упругий элемент может быть выполнен из материала с модулем упругости 200 - 1500 кгс/см, предпочтительно 700 кгс/см.The elastic element can be made of a material with a modulus of elasticity of 200 - 1500 kgf / cm, preferably 700 kgf / cm.

Выступаюш е в виде консолей торцовые поверхности 12 кольца 5 направл ютс поверхност ми 13 и 14 кулачков 3 и 4 полумуфт 1 и 2 в осевом направлении, что исключает возникновение вредных осевых усилий. За счетThe cantilever-shaped end surfaces 12 of the ring 5 are guided by the surfaces 13 and 14 of the cams 3 and 4 of the coupling halves 1 and 2 in the axial direction, which excludes the occurrence of harmful axial forces. By

срока службы муфты.clutch service life.

Claims

1. The spring coupling containing two coaxially mounted coupling halves with end cams, each of which is located between adjacent cams of the other coupling half, and an elastic element

in the form of a ring with radial protrusions, on its outer surface, located between the cams of both coupling halves, characterized in that, in order to increase reliability and

5, the working surfaces of the cams of the coupling half are concave, and the working surfaces of the protrusions of the ring are made tight, the width of the ring is at least equal to its width

0 protrusions, and each protrusion is associated with a ring with a jumper, the width of which is 0.7 projection width, the centers of radii of curvature of the working surfaces of the half-coupling cams are located on a circle whose diameter is larger than the diameter of the centers of the protrusions of the ring.

2. Coupling POP.1, characterized in that the radius of curvature of the working surface of each protrusion of the elastic element is twice the radius of curvature of the working surface of the half-coupling cam.

3. Coupling according to PP.1 and 2, I differ. With the fact that the elastic element is made of a material with a modulus of elasticity equal to 200 1500 kgf / cm, preferably

700 kgf / cm. The locations of the curvature centers of the working surfaces 13 and J4 of the Kula} 1kov 3 1 and 2 on the circumference, the diameter of the coupling halves 1 and which are larger than the diameter of the centers of the projections 6 of the ring 5, reduce the radial loads. Thus, the proposed design of the coupling reduces axial and radial loads, which contributes to increased reliability and

eight

eleven

FIG.