ASSEMBLY-TYPE CAR BODY AND RAIL VEHICLE - CRRC QINGDAO SIFANG CO LTD

Title:

ASSEMBLY-TYPE CAR BODY AND RAIL VEHICLE

Document Type and Number:

WIPO Patent Application WO/2021/135041

Kind Code:

A1

Abstract:

An assembly-type car body (11) and a rail vehicle. A roof (1), an underframe (2), side roofs (3), and side walls (4) of the assembly-type car body (11) are separately formed by assembling double-layer pultruded profiles, and each double-layer pultruded profile comprises an outer plate, an inner plate, and cavities formed by separating an interlayer between the outer plate and the inner plate using ribs; the upper edge and the lower edge of each side roof (3) are respectively connected to an edge of the roof (1) and the upper edge of a side wall (4) by means of lap joints, and the lower edge of each side wall (4) is connected to an edge of the underframe (2) by means of a side wall connector (5); each side wall connector (5) is a double-layer pultruded profile unit, the upper edge of the side wall connector (5) is connected to the lower edge of the side wall (4) by a plug joint, and the lower edge of the side wall connector (5) is connected to an edge of the bottom frame (2) by means of a push-to-connect joint (5-1).

Inventors:

DING SANSAN (CN)
WU PEIPEI (CN)
TIAN AIQIN (CN)
LIANG HAITING (CN)
ZHAO HONGWEI (CN)

Application Number:

PCT/CN2020/090778

Publication Date:

July 08, 2021

Filing Date:

May 18, 2020

Export Citation:

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Assignee:

CRRC QINGDAO SIFANG CO LTD (CN)

International Classes:

B61D17/04; B61D17/08; B61D17/14; B61D17/18; F16B5/00

Foreign References:

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Other References: