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Railway bogie assembly with adapter for suspension

A technology of bogies and adapters, applied in the directions of bogies, railway car body parts, axle box installations, etc., can solve the problem that the manufacturing process of railway bogies does not have easier and more effective step optimization.

Inactive Publication Date: 2014-06-25
AB SKF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reduction in weight is a common consideration in the optimization of trains and freight rail vehicles, consuming less energy for a given total load or having increased load for a given energy consumption
[0010] Also, the manufacturing process of a complete railway bogie is not optimized for easier and more efficient steps, especially the process of mounting the bogie frame to the wheelsets

Method used

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  • Railway bogie assembly with adapter for suspension
  • Railway bogie assembly with adapter for suspension
  • Railway bogie assembly with adapter for suspension

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Embodiment Construction

[0041] figure 1 and 2 A schematic diagram of a railway bogie assembly 1 of the so-called Y25 type is shown. The railway bogie 1 comprises two axle boxes 2, thus their housing 3 enclosing at least one rolling bearing (not shown) to support each end of a rotatable shaft (not shown) having an axis of rotation XX' . Each pair of wheels 4 is fixed to a rotatable axle. Because the left and right axlebox assemblies are identical, the following description of the figures will describe only the left side of the railway truck.

[0042] Each axle box 2 is extended to the left and right by two link arms 5 on each of which a suspension 6 is mounted. The linkage arm 5 and its associated suspension 6 are about a substantially vertical axis X passing through the middle of the axle box 2 1 -X 1 'symmetry. The vertical axis X 1 -X 1 ' perpendicular to the substantially horizontal axis X-X'.

[0043] The railway bogie assembly 1 also includes a bogie frame 7 mounted on the axlebox 2 vi...

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Abstract

Railway bogie (1) comprising a frame bogie (7), a wheelset including wheels (4) mounted on a rotatable axle having a rotation axis (X-X'), at least one axlebox (2) wherein at least one rolling bearing is assembling for supporting the rotatable axle, and at least one suspension (6) mounted on a link arm (5) of the said at least one axlebox (2), and an adapter (100; 300) fast with the bogie frame (7) on top and supported by the said at least one suspension (6) on the bottom. The said adapter (100; 300) comprises at least one bracket (102; 302) wherein an assembling plate (104) is fast wit the bottom surface of the said at least one bracket (102; 302) and is mounted upon an assembling surface (10) defined on the top of the said at least one suspension (6); an inner empty volume (117) is defined inside the said at least one bracket (102; 302) by a surrounding wall (110); and an upper opening (112; 312) is provided on the upper section of the bracket (102; 302) in which tools can be inserted during manufacturing and / or upper part of assembling means (8) can fit.

Description

technical field [0001] The present invention relates to a railway truck assembly comprising at least two suspensions on an axlebox and having the adapters required to mount said suspensions to a bogie frame. Background technique [0002] Railroad bogie assemblies typically include: [0003] a wheel set comprising a rotatable shaft, wheels mounted on the shaft and at least one axle box in which at least one rolling bearing is mounted for supporting the rotatable shaft; [0004] At least one suspension mounted on the axlebox linkage arm, said suspension being of any type, for example coil springs from the UIC standard or hydraulic suspensions such as disclosed in US2002-0089102; [0005] steering frame; and [0006] An adapter enabling the wheelsets to support the bogie frame. [0007] The adapters are mostly welded to the lower surface of the bogie frame and fixed to the axlebox via assembly means. In the case of freight rail vehicles, the adapter can be fixed directly to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61F5/30
CPCB61F5/305B61F5/30
Inventor T.勒莫伊格尼L.波林R.施米切恩
Owner AB SKF
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