SU763636A1

SU763636A1 - Gearing

Info

Publication number: SU763636A1
Application number: SU782643314A
Authority: SU
Inventors: Герман Александрович Журавлев; Александр Устинович Дергаусов; Виктор Валентинович Эфрос; Виктор Михайлович Игошин; Григорий Израилевич Скундин
Original assignee: Ростовский Ордена Трудового Красного Знамени Государственный Университет; Государственное Специально-Конструк- Торское Бюро Владимирского Тракторомоторостроительного Объединения
Priority date: 1978-07-13
Filing date: 1978-07-13
Publication date: 1980-09-15

Description

II

Изобретение относитс к машиностроению , в частности, к зубчатым передачам на базе зацеплени Новикова, и может быть использовано во всех отрасл х народного хоз йства дл передачи крут щего момента между параллельными, скрещивающимис и пересекающимис ос ми.The invention relates to mechanical engineering, in particular, to gears on the basis of Novikov engagement, and can be used in all branches of the national economy to transfer torque between parallel, intersecting and intersecting axes.

Наиболее близкой по технической сущности и достигаемому эффекту к насто щему изобретению вл етс зубчата передача , содержаща колеса с исходным контуром зубьев одного из колес, выполненным на базе зацеплени Новикова 1.The closest to the technical essence and the achieved effect to the present invention is a gear transmission, comprising wheels with the initial contour of the teeth of one of the wheels, made on the basis of Novikov engagement 1.

Недостатком описанной передачи вл етс невысока нагрузочна способность.The disadvantage of the described transfer is low load capacity.

Цель изобретени - повышение нагрузочной способности передачи.The purpose of the invention is to increase the transmission capacity.

Это достигаетс тем, что угол профил пр молинейного участка, соедин ющего дуговые участки исходного контура зубчатого колеса на базе зацеплени Новикова, ограничен диапазоном:ofn (0,8-r-(.2.V3, гдео1п -угол профил пр молинейного участка исходного контура на базе зацеплени Новикова;This is achieved by the fact that the angle of the profile of the straight-line section connecting the arc sections of the initial contour of the gear wheel on the Novikov engagement base is limited to the range: ofn (0.8-r - (. 2.V3, where 1n is the angle of the straight-line section of the original contour on the basis of Novikov's engagement;

- угол профил исходного контура зубьев парного колеса, например, эвольвентного зацеплени , в зоне делительной линии, - the angle profile of the original contour of the teeth of the pair of wheels, for example, involute gearing, in the area of the dividing line,

а теоретический угол давлени дуговых участков и толщина зуба исходного контура по делительной линии выбраны из следующих соотношений:and the theoretical angle of pressure of the arc sections and the thickness of the tooth of the original contour along the dividing line are selected from the following ratios:

otj 0.8TV)arcsi.n22pS9 4 ();otj 0.8TV) arcsi.n22pS9 4 ();

гдеоЦ-теоретический угол давлени дуговых участков исходного контура зубьев на 10базе зацеплени Новикова;WhereC-theoretical pressure angle of the arc sections of the original teeth contour at 10base Novikov engagement;

Кд5 высота делительной головки исходного контура зубьев парного колеса, например, эвольвентного зацеплени ; X - высота отрезка дугового участка исходного контура зуба зацеплени Новикова от теоретической точки контакта до его вершины; Н - отрезок нормали к дуговому участку исходного контура зубьев от теоретической точки контакта до ее пере20сечени с начальной пр мой;Kd5 is the height of the dividing head of the initial contour of the teeth of the twin wheel, for example, involute engagement; X is the height of a segment of the arc section of the initial contour of the Novikov engagement tooth from the theoretical point of contact to its tip; H is the segment of the normal to the arc section of the initial contour of the teeth from the theoretical point of contact to its intersection with the initial straight line;

Claims

SjuSga-tol of the tooth of the original contour along the dividing line, respectively, of the wheel on the basis of Novikov's engagement and a pair of wheels; $ 1 - the thickness of the tooth of the original contour along the lines of theoretical points of contact of the Novikov praising zones, respectively, of the head and leg; tn is the engagement module; § - circumferential lateral clearance. The drawing schematically shows the engagement of opposite rails of a cylindrical wheel on the basis of Novikov's engagement - 1 and an involute cylindrical wheel - 2, a gear train. The head of the tooth of the lath I at the point K with an angle of profile o1 contacts the leg of the tooth of the lath 2, and the leg of the tooth of the lath 1 is simultaneously in point contact (m. Kg) with the head of the tooth of the lath

2. The thickness So of the tooth of the lath 1 along the dividing line is selected from the ratio given above, taking into account the possibility of mass production of transmission wheels with the same initial contour SQ -) And Q- j; vpH Or; Therefore, there is a gap in the middle zone, 2c3r -Sg3-8) - $ ,. S Works gear gear as follows. When the wheel formed by the rail 1 rotates, the convex heads of the teeth touch the convex legs of the wheel teeth formed by the rail 2, and as the legs wear out, the contact becomes convex-concave. At the same time, the concave legs of the teeth of the wheel on the Novikov engagement base touch the convex heads of the teeth of the involute wheel. As the teeth are running in, the involute near-pole zone comes into operation. The engagement becomes three-zone. Claims of gearing of gear, containing wheels with the initial contour of teeth of one of the wheels made on the Novikov engagement base, characterized in that, in order to increase the transmission capacity, the angle of the profile of the straight line connecting the arc sections of the original gear of the gear wheel to Novikov's grip base, limited to range: (0,) 3. eu / - angle of the profile of the linear part of the initial contour on the basis of Novikov engagement; L is the profiler angle of the initial contour of the teeth of a pair of wheels, for example, involute gearing, in the area of the dividing line, the theoretical angle of pressure of the arc sections and the thickness of the tooth of the source conr along the dividing line are selected from the following ratios: q (0.8t1, g) arc51n l 1c. , N (U -5zz-8) -. C, is the theoretical angle of pressure of the arc sections of the initial contour of the teeth at the Novikov engagement base; the dividing head is an outcome, - the height contour of the teeth of the twin wheel; - the height of a segment of the arc section of the initial contour of the tooth of Novikov's engagement from the theoretical point of contact to its vertex; - a segment of the normal to the arc section of the initial contour of Novikov's teeth from the theoretical point of contact to its intersection with the pitch line; Sic thickness of the tooth of the original contour. Picchie gchtt-ootgtos.iig vn. dividing line, respectively, of the wheel on the basis of the Novikov engagement and the twin wheel; 5H is the thickness of the tooth of the original contour along the lines of the theoretical points of contact of the Novikov engagement zones, respectively, of the head and leg; g-module of engagement; § - the outer side clearance of the teeth. Sources of information taken into account in the examination 1. USSR author's certificate 254284, cl. F 16 H 1/08, 1% 8 (protop).