Ultra-low-temperature-resistant cable for railway vehicle
A rail vehicle and low-temperature-resistant technology, which is applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of poor low-temperature resistance of cables, excessive extrusion force of guide cores, and frost damage, achieving strong buffer performance, improving practicability, Effect of improving low temperature resistance performance
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] see Figure 1-3 , a kind of ultra-low temperature resistant cable for rail vehicles, comprising a guide core 1, a first protective sheath 2 is provided outside the guide core 1, a second protective sheath 3 is provided outside the first protective sheath 2, the first protective sheath 2 and An anti-extrusion mechanism is provided between the second protective cover 3, a buffer layer 4 is provided outside the second protective cover 3, a shielding layer ...
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