SU1100156A1 - Self-locking differential gear - Google Patents

Abstract

SELF-LOCKED DIFFERENTIAL, comprising a case with fingers fixed in it, made with prismatic necks, satellites meshed with semi-axial gears, pressure plates, interacting with friction dis-. forged couplings, including discs with splines, having axial mobility, one of which is associated with a paloix gear, and the other two with a housing, while the elastic elements are installed between the disks associated with the housing, one of which is mounted with interaction with the pressure cup, characterized in that, in order to improve the performance and durability of the differential by eliminating the output of the paluose gears from engagement with the satellites at the maximum difference of the angular velocities of the half-axle gears ene disk associated with the housing and located between the two other discs, formed as a sleeve with splines on the inner surface of its cylindrical portion, and between the CO and the pressure stakavom cup formed zazrr.dp restricting movement of the latter at a maximum difference of angular velocities side gears.

Description

FIELD OF THE INVENTION The invention relates to the transport engineering industry, mainly to the automotive and tractor industry. The closest to the invention to the technical essence is a self-locking differential, comprising a body with cords fixed in it, made with prismatic necks, satellites meshed with semi-axial gears, pressure cups that interact with friction disk clutches that include disks with birds, having axial mobility, one of which is associated with a semi-axial gear, and the other two with a housing, with elastic elements mounted between the disks associated with the housing, one of which is set to cooperate with the pressure cup i. The disadvantage of this differential is that for large values. In addition, for the difference in the angular velocities of the half of the pseudo-gears, the axial forces acting on the semi-axial gears from the side of their engagement with the satellites increase. This leads to a significant compression of the elastic elements, the movement of the axle-shaft gears in the axial direction and their exit from the zaks. with satellites. As a result, the operability of the differential is impaired and its durability is reduced. The purpose of the invention is to increase the operability and durability of the differential by eliminating the output of the side gears from engagement with the satellites at the maximum difference in angular speeds of the side gears. This goal is achieved by the fact that in a self-locking differential comprising a body with fingers fixed in it, made with prismatic necks, satellites: ity, which are in engagement with semi-axial gears, pressure cups that interact with friction disk clutches that include disks with axial mobility, one of which is connected to the axle gear, and the other two are connected to the housing, while the elastic elements are mounted between the disks connected to the housing, one of which is installed from The ability to interact with the pressure plate, the disk associated with the body and located between two other disks, is made in the form of a glass with slots on the inner surface of its Cylindrical part, and between the glass and the pressure plate there is a gap to limit the movement of the latter at the maximum difference in angular velocity of the axial axis gears. FIG. 1 shows a differential, a general view in section; fig 2 -. node G in FIG. one; in fig. 3 - glass, longitudinal section; in fig. 4 is a view A of FIG. 3;: in FIG. 5 - disk, longitudinal section; in fig. b - view .b on fig. 5. In the differential casing 1, satellites 2 are installed, which are engaged with the half-axle gears 3. The pressure plates 4 interact with the disks 5 of the friction clutches. The friction clutch also includes a disk 6 connected by a splined connection 7 with a half-axle gear, a glass 8 connected with the housing 1, a disk 5 coupled with the splines 9 with a glass 8. A resilient element 10 (spring pulley) is mounted between the glass 8 and the disk 5. Differential works as follows. With large values of the difference in the angular velocities of the axle gears 3, axial forces increase in engagement of the satellites 2 with the axle gears 3, which leads to the displacement of the semi-axial gears 3 and significant deformation of the elastic elements 10. The axial movement of the disk 5, the pressure plates 4 and the semi-axial gears 3 is limited by the pressing of the pressure cups 4 into the cup 8. Therefore, the half-axle gears 3 are not disengaged from the satellites. 2. The use of the invention excludes the output of the axle gears from engagement with the satellites at the maximum difference of the angular velocities of the axle gears, i.e. increases the performance and durability of the differential.

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Claims (1)

SELF-LOCKING DIFFERENTIAL, comprising a housing with fingers fixed therein, made of prismatic necks, satellites engaged with semi-axial gears, pressure cups, interacting with friction disk couplings, including splined disks, having axial mobility, one of them connected with the semi-axial gear, and the other two * with the housing, while the elastic elements are installed between the disks associated with the housing, one of which is installed with the possibility of interaction with the pressure bowl which is characterized in that, in order to increase the operability and durability of the differential by eliminating the output of the semiaxial gears from engagement with the satellites at the maximum difference in angular velocities of the semiaxial gears, the disk connected to the housing and located between two other disks is made in the form of a glass with slots on the inner surface of its cylindrical part, and between the glass and the pressure cup made eazr. to limit the movement of the latter at the maximum difference in angular velocities of the axis s gears. cl