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Patent Searching and Data


Title:
RAILWAY HEAT-INSULATING TRANSPORTATION VEHICLE AND SIDE WALL THEREOF AND ASSEMBLING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/068572
Kind Code:
A1
Abstract:
A railway heat-insulating transportation vehicle and a side wall thereof and an assembling method therefor. The side wall is fixed to a chassis (50), the chassis (50) being integrally foamed. A sleeper pillar reinforcing seat (51) is provided on the chassis (50). The side wall comprises: an inner side wall (20); a side wall steel structure (10), comprising an outer wall board (15) and sleeper pillars (13) arranged on arranged on opposite surfaces of the outer wall board (15) and the inner side wall (20); and a polyurethane foamed layer (30), foamed between the side wall steel structure (10) and the inner side wall (20). A welding window (14) corresponding to the end part positions of the sleeper pillars (13) is formed in the edge, close to the chassis (50), of the outer wall board (15), and the end parts of the sleeper pillars (13) are fixed in the sleeper pillar reinforcing seat (51) by means of the welding window (14).

Inventors:
JING CHUANFENG (CN)
GAO JIANHUA (CN)
HE YUANXIN (CN)
LIU FENGWEI (CN)
JIN XIAOPING (CN)
ZHANG MIN (CN)
LUO GUIQIONG (CN)
SUN CHUNXU (CN)
XIE BIN (CN)
SHU LIN (CN)
LIU DANYAN (CN)
Application Number:
PCT/CN2020/099889
Publication Date:
April 15, 2021
Filing Date:
July 02, 2020
Export Citation:
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Assignee:
CRRC YANGTZE CO LTD (CN)
International Classes:
B29C65/00; B61D17/08; B60P3/025; B60P3/20; B61D3/16; B61D17/00; B61D17/06; B61D17/10; B61D17/12; B61D27/00; B62D33/04; B65D88/74
Foreign References:
CN110588686A2019-12-20
CN105818826A2016-08-03
CN104309621A2015-01-28
CN103010234A2013-04-03
US20070137517A12007-06-21
Attorney, Agent or Firm:
BEIJING ZHONGDA DEQUAN IP AGENCY CO., LTD. (CN)
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