The invention provides a heat preservation structure, a manufacturing method of the heat preservation structure, an underframe and a refrigerator car. The heat preservation structure comprises a firstouter plate; a second outer plate; first heat preservation plates arranged at intervals, wherein one end of each first heat preservation plates is connected with the first outer plate, the other endof each first heat preservation plate is connected with the second outer plate, and a first heat insulation cavity is formed between every two adjacent first heat preservation plates; and heat preservation parts arranged in the first heat insulation cavities. Through the technical scheme provided by the invention, the problem of poor heat preservation performance of a heat preservation structure in the prior art can be solved.
КОНСТРУКЦИЯ ИЗОЛЯЦИИ, СПОСОБ ИЗГОТОВЛЕНИЯ КОНСТРУКЦИИ ИЗОЛЯЦИИ, ХОДОВАЯ ЧАСТЬ И РЕФРИЖЕРАТОРНЫЙ ВАГОН
21.05.2020
Patent
Elektronische Ressource
Russisch
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |
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