gears for gear drives

A technology of gear transmission and planetary gear transmission, which is applied in gear transmission devices, transmission devices, hoisting devices, etc., and can solve problems such as limited structural space of torsion springs
CN107683380BActive Publication Date: 2020-10-27SCHAEFFLER TECH AG & CO KG +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SCHAEFFLER TECH AG & CO KG
Publication Date
2020-10-27

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Abstract

A gear (8) for a gear transmission, which is divided into two axially adjacent spur gears (11) and has a sector-shaped torsion spring (14), on the circumference of which the torsion spring A gap (18) is provided between the spring ends (20) facing each other in the direction, into which gap two bosses (17) respectively assigned to the two spur gears (11) engage, wherein , one of the bosses (17) matches one of the two spring ends (20), and the other boss (17) matches the other spring end (20), wherein the two The bosses (17) are arranged at least substantially without overlapping in the axial direction.
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Description

technical field

[0001] The invention relates to a gear for a gear transmission, in particular a planetary gear. Background technique

[0002] A gear is known from WO 03 / 056141 A1. A gear that is divided into two axially adjacent spur gears has a sector-shaped torsion spring, which forms a gap between its circumferentially opposite spring ends, which are respectively assigned to two spur gears. The cams of the gear engage in this gap, one of the cams being assigned to one of the spring ends and the other cam being assigned to the other spring end. When the gear is assembled into the transmission, the two spur gears mesh with the embedded gear without backlash. In the designed rotational position of the two spur gears, the cams arranged one behind the other on the outer peripheral side are offset relative to one another in the peripheral direction in such a way that the cams press the spring ends of the torsion spring against one another with an enlarged gap. The prestress ...

Claims

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