Title:
VARIABLE-GAUGE TRUCK FRAME AND VARIABLE-GAUGE RAILWAY TRUCK
Document Type and Number:
WIPO Patent Application WO/2020/151230
Kind Code:
A1
Abstract:
A variable-gauge truck frame and a variable-gauge railway truck, comprising a pair of side beams (1) disposed in parallel and a pair of horizontal beams (2) connected between the side beams (1) and disposed in parallel, brake caliper hangers (3) being provided at an inner side of each side beam (1) positioned at outer sides of the pair of horizontal rails (2), a brake caliper hanger (3) being a box-shaped structure, a top plate of a side rail (1) extending inward, forming an upper cover plate of a brake caliper hanger (3), side panels of the brake caliper hanger (3) being welded to an upper cover plate after being welded to a bottom plate, making the box structure; active yaw damper mounting seats (4) being disposed at two ends of one of the horizontal beams (2), respectively, at outer sides of the side beams (1). The present variable-gauge railway truck, by means of a re-designed frame structure, can satisfy mounting requirements of a variable-gauge wheelset.
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Inventors:
CHEN SHUO (CN)
ZHOU JUNFENG (CN)
WANG XU (CN)
QIAO QINGFENG (CN)
ZHENG JING (CN)
ZHOU JUNFENG (CN)
WANG XU (CN)
QIAO QINGFENG (CN)
ZHENG JING (CN)
Application Number:
PCT/CN2019/104847
Publication Date:
July 30, 2020
Filing Date:
September 09, 2019
Export Citation:
Assignee:
CRRC QINGDAO SIFANG CO LTD (CN)
International Classes:
B61F7/00; B61F5/00; B61F5/52
Foreign References:
| CN109703588A | 2019-05-03 | |||
| CN108609028A | 2018-10-02 | |||
| CN105539486A | 2016-05-04 | |||
| CN106004913A | 2016-10-12 | |||
| CN108146461A | 2018-06-12 | |||
| CN204956504U | 2016-01-13 | |||
| JP2003205840A | 2003-07-22 |
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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