Title:
鉄道車両用台車の軸箱支持装置
Document Type and Number:
Japanese Patent JP6427019
Kind Code:
B2
Abstract:
An axle box suspension of a railcar bogie is configured to couple an axle box, accommodating a bearing supporting an axle, to a bogie frame and includes: an axle beam including an axle beam main body portion and an axle beam end portion, the axle beam main body portion extending from the axle box in a car longitudinal direction, the axle beam end portion being provided at a tip end of the axle beam main body portion and including a tubular portion that is open at both car width direction sides; a core rod inserted into an internal space of the tubular portion in a car width direction; an elastic bushing interposed between the tubular portion and the core rod; and a receiving seat provided at the bogie frame, both end portions of the core rod being connected to the receiving seat, the tubular portion being divided into a first semi-tubular portion and a second semi-tubular portion, the first semi-tubular portion being formed integrally with the axle beam main body portion, the second semi-tubular portion being stacked on the first semi-tubular portion in an upward/downward direction.
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Inventors:
Okumura Yasushi
Application Number:
JP2015018102A
Publication Date:
November 21, 2018
Filing Date:
February 02, 2015
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B61F5/30; B61F5/52
Domestic Patent References:
| JP8268276A | ||||
| JP10278791A | ||||
| JP8324427A | ||||
| JP2002211395A |
Foreign References:
| US20110253004 | ||||
| WO2014109279A1 | ||||
| US3013808 | ||||
| CN201193037Y | ||||
| US2740622 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office