Speed reduction device and series of speed reduction devices
AssigneeSumitomo Heavy Industries, Ltd.
InventorsMasayuki ISHIZUKA, Ikuko NONOYAMA
Life of this patent
Estimating the term…
Abstract
A speed reduction device includes front and rear stage speed reduction mechanisms. The speed reduction device includes a connecting shaft that connects the front stage speed reduction mechanism to the rear stage speed reduction mechanism; bearings that support the connecting shaft; an oil supply port that is formed on one side of front and rear stage sides of the bearings; and communication passages that make a receiving section, which is closer to the front stage speed reduction mechanism than the bearings in a casing of the speed reduction device, communicate with a receiving section, which is closer to the rear stage speed reduction mechanism than the bearings.
Claims7
A speed reduction device that includes front and rear stage speed reduction mechanisms, the speed reduction device comprising:
- a connecting shaft that connects the front stage speed reduction mechanism to the rear stage speed reduction mechanism;
- bearings that support the connecting shaft;
- an oil supply port that is formed on one of front and rear stage sides of the bearings;
- and
- communication passages that make a first receiving section, which is closer to the front stage speed reduction mechanism than the bearings in a casing of the speed reduction device, communicate with a second receiving section, which is closer to the rear stage speed reduction mechanism than the bearings.
A series of speed reduction devices that includes a first speed reduction device configured to be mounted in a specific mounting mode and a second speed reduction device configured to be mounted in a mounting mode different from the specific mounting mode,
- wherein each of the first and second speed reduction devices includes a front stage speed reduction mechanism, a rear stage speed reduction mechanism, a connecting shaft that connects the front stage speed reduction mechanism to the rear stage speed reduction mechanism, and bearings that support the connecting shaft, and
- in the first and second speed reduction devices, mounting parts mounted on common through holes configured to be used as an oil supply port include different through holes, and communication passages are formed in at least the first speed reduction device and make a first receiving section, which is closer to the front stage speed reduction mechanism than the bearings in a casing of the first speed reduction device, communicate with a second receiving section, which is closer to the rear stage speed reduction mechanism than the bearings.
Dependencies are inferred from the claim text.