State detector for roller bearing and roller bearing device
AssigneeJtekt Corporation
InventorsTomohiko Kiyonaga, Shinya Matsuda, Kazushige Otsuka
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Abstract
The invention includes a sensor mounted in a through-hole formed in the center of a roller of a roller bearing device, a recording device that records detection signals from the sensors, and an installation jig for installing the recording device in the roller. The installation jig passes through the through-hole, and has a first engagement portion that engages with one axial end portion of the roller from an outer side in an axial direction, and a second engagement portion that engages with the other axial end portion of the roller from the outer side in the axial direction.
Claims12
A state detector for a roller bearing, the state detector comprising:
- a sensor mounted inside a through-hole formed in the center of a roller of the roller bearing device;
- a recording device that records a detection signal from the sensor;
- and
- an installation jig for installing the recording device on the roller, the installation jig being a unitary piece separable from a cage of the roller bearing, the installation jig being configured to be insertable into the cage wherein
- the installation jig passes through the through-hole, and has a first engagement portion that engages with one axial end portion of the roller from an outer side in an axial direction, and a second engagement portion that engages with the other axial end portion of the roller from the outer side in the axial direction.
Dependencies are inferred from the claim text.