SU985494A1

SU985494A1 - Thrust plain bearing

Info

Publication number: SU985494A1
Application number: SU792705680A
Authority: SU
Inventors: Станислав Николаевич Соловьев; Дмитрий Демьянович Шевченко; Яков Иванович Гриценко
Original assignee: Николаевский Ордена Трудового Красного Знамени Кораблестроительный Институт Им.Адм.С.О.Макарова; Предприятие П/Я А-1469
Priority date: 1979-01-04
Filing date: 1979-01-04
Publication date: 1982-12-30

Description

(54) УПОРНЫЙ ПОДШИПНИК СКОЛЬЖЕНИЯ(54) SLIP BEARING SUPPORT

Изобретение относитс к машиностроенню и может быть использовано в узлах машин дл воспри ти осевых усилий.The invention relates to mechanical engineering and can be used in machine assemblies for sensing axial forces.

Известен упорный подшипник скольжени дл реверсивного вращени , содержащий п ту, у которой рабоча поверхность имеет профилированные участки и расположенные между ними глухие канавки дл смазки 1 . .A thrust sliding bearing for reverse rotation is known, comprising a heel in which the working surface has profiled portions and deaf grooves located between them for lubrication 1. .

Однако известный подшипник имеет незначительное повышение несущей способности , характеризующеес коэффициентом пор дка 1,1-1,3, по сравнению с несущей способностью подашпника с плоским профилем.However, a known bearing has a slight increase in bearing capacity, characterized by a factor of about 1.1-1.3, as compared with the bearing capacity of a flat-shaped submachpnik.

Цель изобретени - повышение несущей способности и надежности в работе.The purpose of the invention is to increase the carrying capacity and reliability in operation.

Указанна цель достигаетс тем, что в упорном подшипнике скольжени , содержащем п ту, рабоча поверхность которой имеет профилированные участки и расположенные между ними глухие канавки дл подвода смазки, между каждыми двум профилированными . участками выполнена плоска перемычка , в которой расположена глуха канавка дл смазки, а профиль каждого участка выполнен по кривой, определ ембй следующим уравнением;This goal is achieved by the fact that in a thrust sliding bearing containing a heel, the working surface of which has profiled portions and between them there are blind grooves for supplying lubricant, between every two profiled ones. the sections are made with a flat jumper in which the groove for lubrication is located deaf, and the profile of each section is made according to a curve, determined by the following equation;

JL,Jl

Н H

hmhm

Н ;H;

где -г- - безразмерна толщина сма10 тwhere -r- - dimensionless thickness cm10 t

зочного сло ;zochny layer;

h - толщина смазочного сло : в произвольно вз той точке}h is the thickness of the lubricant layer: at an arbitrary point}

1515

20 --коэффициент сужени о смазочного сло ; (У 1-Л-1. интеграл веро тностной функ 1 ции: № -t20 - narrowing ratio of the lubricating layer; (In 1-L-1. Integral of the probability function of 1 st: No. -t

л, t -t20 г l, t -t20 g

X е оX e o

Ьд- соответственно начальное и конечное значение толвдаий Bd- initial and final values respectively

25 смазочного сло клина; е г - - относительна углова координата точки смазочного сло клина; у - углова координата точки 25 wedge lubrication layer; e g - is the relative angular coordinate of the point of the lubricant layer of the wedge; y - the angular coordinate of a point

Claims

30 lubricant layer clip; central angle of the curvilinear part of the ring sector; n is the number of support wedges. FIG. In Fig. 1, the bearing of the thrust bearing is shown, general view; Fig. 2 - profile scan; in fig. 3 is a section A-A in FIG. The thrust sliding bearing contains heel 1, the working surface of which has sections 2, on which BL.I- O are filled with profiles of 3 different directions. Between the two profiled sections 3, a flat web 4 is formed. On the web 4, there are deaf grooves 5 for lubrication.15 The thrust sliding bearing works as follows. During rotation, the corresponding sections 2 pt 1 take up the axial load acting on the bearing. The lubricant is supplied along the grooves 5. Due to the symmetrical arrangement of the profiles 3, the axial force perception is ensured when reversing rotation. The application of the proposed resistant on, sliding bearing with a profiled surface support; allows you to increase the carrying capacity of 2.5 times compared with the known. In this connection, the weight and dimensions of the bearing are reduced. In addition, the presence of flat, jumpers between two symmetrical profiles reduces the consumption of lubricant, which increases the profitability of the thrust bearing. The appropriate location of the lubrication groove on the support ensures the reliability of the bearing operation with a variable direction of rotation of the shaft. Claims of the invention A thrust sliding bearing 45 for reversible rotation comprising pl. cm that with a sponge is discharged after the right of which the surface has drilled plots and “deaf grooves located by them for the subfloor, which is designed with the aim of improving spoi and reliability, between each profiled plots on a flat web, there is a groove in KQTO for, and the profile of each region is n, the dimensionless thickness of the lubricating layer is determined by the curve defined by its equation; h is the thickness of the lubricating layer at an arbitrary point; 5-20 is the narrowing ratio of the lubricating layer; j e dt is the integral of the probability function; respectively, the initial and final values of the thickness of the lubricant layer of the wedge; is the relative angular coordinate of the point of the wedge lubrication layer; the angular coordinate of the point of the lubricant wedge; Q.2JL is the central angle of the curved part of the ring sector; the number of wedges support. Sources of information, taken into account in the examination Chernovsky SA Yeni bearings. Mashgiz, 1963, p. 213, 06.