Self-locking electric heating substrate for rail transit vehicles

Abstract

The invention discloses a self-locking electric heating substrate for rail transit vehicles and belongs to the technical field of rail transit vehicle safety. Frames of female boards and frames of male boards are made of special-shaped hollow aluminum sectional materials, the lower surface of the outer edges of the cross section of each female board is of a third-level step structure, and the upper and lower surfaces of the inner side of each female board are of second-level step structures; the outer side of the cross section of each male board is provided with a boss structure, the top of each boss is provided with a male buckle, and the upper and lower surfaces of the inner side of each male board are of second-level step structures. The outer edges of the female boards are connected with lower surface structures of the boss structures of the outer edges of the male boards along the lower surfaces of the second-level step structures through locking tongue bodies having female buckles at the ends; sealing elastic rubber is disposed between the upper surfaces of the boss structures of the outer edges of the male boards and the lower surfaces of first-level step structures of the outer edges of the female boards. The right sides of the frames of the female boards are provided with countersunk through holes running through the second-level step structures, wherein the frames ofthe female board are made of hollow sectional materials; the lower portions of threaded rods are fixed to the locking tongue bodies through the countersunk through holes. Elastic support blocks are arranged between the lower surfaces of the male boards and an underframe of a vehicle body, wherein the underframe is made of a sectional material.

Description

technical field [0001] The invention belongs to the technical field of rail transit vehicle reliability, light weight and safety, and in particular relates to a rail transit vehicle structure. Background technique [0002] With the continuous improvement of people's living environment and lifestyle, especially higher requirements for the comfort and safety of rail vehicle passenger compartments, the development direction of more humanization, modularization, energy saving and environmental protection is more and more popular with the country and ordinary people. It has also been vigorously developed by major rail transit companies. At present, the traditional heating device in the passenger compartment of rail vehicles has uneven heating temperature, and is exposed at the lower part of the side wall to occupy the passenger compartment space; in extremely cold weather, the air-conditioning heating method cannot solve the phenomenon of cold feet of passengers. The biggest adv...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a self-locking electric heating substrate for rail transit vehicles, which can effectively solve the problems of long-term reliability of complete self-locking between electric heating substrates, convenient installation and disassembly, and vibration and noise reduction sealing problems

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