JP2016166641A5

JP2016166641A5 -

Info

Publication number: JP2016166641A5
Application number: JP2015046285A
Authority: JP
Filing date: 2015-03-09
Publication date: 2018-04-12
Anticipated expiration: 2035-03-09

Claims

An input disk and an output disk arranged opposite to each other;
A power roller sandwiched between the input disk and the output disk so as to be tiltable, and transmitting a rotational driving force of the input disk to the output disk at a gear ratio according to a tilt angle;
A pair of pivot portions arranged coaxially with the tilt axis, and a trunnion having a main body portion that is positioned between the pair of pivot portions in the tilt axis direction and to which the power roller is rotatably attached;
Bearings fitted on the pair of pivot parts,
A beam extending in the direction of the tilt axis on the side opposite to the main body as viewed from the power roller and coupled to the trunnion;
An oil passage for supplying oil to the trunnion and the power roller ,
The pair of pivot portions project from the main body portion in a projecting direction perpendicular to the tilt axis direction, and the oil passage is in the projecting direction within the first pivot portion which is one of the pair of pivot portions. A first pivot oil passage extending to
The beam is connected to the pair of pivot parts with a connector inserted into the pair of pivot parts ,
It said first pivot oil path and the connector is you positioned inside the bearing, a toroidal continuously variable transmission.

2. The toroidal continuously variable transmission according to claim 1, wherein the beam is overlapped with inner surfaces of the pair of pivot portions in the tilt axis direction, and the connector is inserted in the tilt axis direction.

The pair of pivot portions have a pair of step surfaces formed by offsetting the tip portion of the inner surface in the protruding direction to the outside in the tilt axis direction,
The toroidal continuously variable transmission according to claim 2, wherein the beam is superimposed on the step surface in the protruding direction.

The connector has a non-threaded portion inserted into the beam,
The toroidal continuously variable transmission according to claim 3, wherein each of the pair of pivot portions is coupled to the beam by a single coupling tool.

Each of the pair of pivot portions is connected to the beam by one connecting tool,
2. The pair of coupling tools corresponding to the pair of pivot portions are arranged coaxially at a central portion of the pivot portion in the width direction of the trunnion perpendicular to the tilt axis and the protruding direction. The toroidal continuously variable transmission of any one of thru | or 4.

The oil passage has a main body oil passage extending in the tilt axis direction inside the main body portion, and a part of the bearing is located outside in the projecting direction with respect to the main body oil passage. The toroidal continuously variable transmission of any one of thru | or 5.

The trunnion has an attachment hole that opens to the inner surface of the main body, and the power roller is attached to the main body via an attachment shaft that is rotatably inserted into the attachment hole.
The mounting hole and the first pivot oil passage are unevenly distributed from the tilt axis to one side in the width direction of the trunnion perpendicular to the tilt axis direction and the protruding direction,
The oil passage extends to the tilting axis direction within said body portion includes a body oil passage communicating the base end portion in the protruding direction of the first pivot oil passage in the mounting hole, to claim 1 The toroidal continuously variable transmission of any one of 6.

The oil passage communicates with a distal end portion of the first pivot oil passage in the protruding direction, opens to an inner surface of the first pivot portion, and faces a peripheral surface of the power roller, and the pair of A second nozzle that opens on the inner surface of the second pivot portion that is the other of the pivot portions and faces the peripheral surface of the power roller; and a base end portion in the protruding direction of the first pivot oil passage from the main body portion The toroidal continuously variable transmission according to any one of claims 5 to 7, further comprising: a distribution oil passage connected to the second nozzle through the inside of the second pivot portion.

A toroidal continuously variable transmission according to any one of claims 1 to 8,
An input mechanism for inputting rotational power extracted from an engine rotation shaft of an aircraft to the toroidal continuously variable transmission;
And a generator driven by an output of the toroidal continuously variable transmission.

The input mechanism includes a device input shaft to which rotational power extracted from the engine rotation shaft is input, and a gear pair that transmits rotation of the device input shaft to the toroidal continuously variable transmission;
The device input shaft is parallel to the axial direction of the toroidal continuously variable transmission;
10. The aircraft drive according to claim 9, wherein the tilt axis of the toroidal continuously variable transmission is non-perpendicular to an extending direction of a straight line connecting the device input shaft and a rotating shaft in the toroidal continuously variable transmission. Mechanism-integrated power generator.