Roof integrated structure of railway vehicle
The roof integration solution, designed with aluminum alloy profiles, solves the problems of space and weight occupation of the roof structure of rail vehicles, achieving the effect of compact space and weight reduction.
Patent Information
- Application Number
- CN202520396661.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-07
AI Technical Summary
The existing roof structure of rail vehicles increases weight and occupies interior space, affecting the utilization of passenger compartment space.
The roof support and interior transition connection are made using an aluminum alloy profile structure design, and an integrated wire and cable fixing structure is used to realize the layout and fixation of wires and cables. Through the highly integrated support and interior structure, the use of wire channels is reduced.
It saves interior roof space, increases passenger space, reduces vehicle weight, and simplifies the types and quantities of installation components.
Smart Images

Figure CN223750846U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a roof structure of subway and light rail vehicle and rail vehicle belongs to the field of railway vehicle. BACKGROUND
[0002] The roof of rail vehicle involves the roof of bearing structure, the interior structure of passenger interface, the middle part is provided with air conditioning ventilation air duct, the installation of roof electrical components, the installation and arrangement of wire and cable, etc.
[0003] The roof bearing structure is the integral aluminum alloy profile structure basically equal in length with the vehicle, since the roof is externally provided with air conditioning unit, the roof is usually provided with high and low roof structure, the air conditioning unit is externally installed on the low roof, the inside of the low roof and the high roof of bearing structure is provided with air conditioning air duct between the roof of interior structure, and wire and cable is arranged.
[0004] The existing subway and light rail vehicle, the interior structure of roof is connected to the roof bearing structure, the wire and cable of roof is connected to the roof bearing structure through the wire groove of roof, and the wire and cable is arranged in the wire groove. The connecting structure such as wire groove is arranged, which not only increases the weight, but also occupies the internal space of roof, so that the internal space of passenger room becomes smaller. INNOVATION CONTENT
[0005] The utility model provides a roof integrated structure of rail vehicle, and solves the problem that the current structure increases weight and occupies the internal space of roof.
[0006] The utility model is realized by the following technical schemes:
[0007] A roof integrated structure of rail vehicle, including low roof bearing structure, high roof bearing structure and roof interior transition connecting structure, the low roof bearing structure and high roof bearing structure are provided with mounting interface, the low roof bearing structure is connected with the upper portion of roof interior transition connecting structure through mounting interface, the high roof bearing structure is connected with the upper portion of high roof transition mounting seat structure through mounting interface, and the lower portion of high roof transition mounting seat structure is connected with the upper portion of roof interior transition connecting structure;
[0008] The low roof bearing structure is provided with downward extending vertical plate, the mounting hole for arranging and fixing wire and cable is formed in the vertical plate, and the low roof bearing structure is further provided with two downward extending structures for arranging different cables;
[0009] The lower portion of roof interior transition connecting structure is connected with interior roof ceiling, side roof and handrail of interior roof, and the wing surface for arranging wire and cable is outwardly extended at the side portion of roof interior transition connecting structure, and the opening for fixing cable is arranged on the wing surface;
[0010] The high roof transition mounting seat structure is a structure with two downward extensions, and the middle recessed part is provided with a downward extending vertical plate, the vertical plate is provided with mounting holes for arranging and fixing electric wires and cables thereon, and the two downward extending parts are hollowed out for arranging different cables.
[0011] The low roof bearing structure, the high roof bearing structure and the roof interior transition connecting structure are all aluminum alloy profile structures.
[0012] The high roof bearing structure, the low roof bearing structure, the roof interior transition connecting structure and the transition mounting seat of the high roof area of the utility model are all aluminum alloy profile structures, the connecting and mounting structures are optimized through high integration, the space is more compact, the types and quantities of mounting components are saved, the passenger compartment space is further provided for passenger seating, the weight of components is reduced, and the overall weight of the vehicle is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 A high roof bearing structure and a low roof bearing structure of a vehicle roof are shown in the drawings.
[0014] Figure 2 A high roof profile and a low roof profile of a vehicle roof are shown in the drawings.
[0015] Figure 3 A low roof bearing structure of a vehicle roof is shown in the drawings.
[0016] Figure 4 A high roof bearing structure of a vehicle roof is shown in the drawings.
[0017] Figure 5 A roof interior transition connecting structure is shown in the drawings.
[0018] Figure 6 A transition mounting seat structure of a high roof of a vehicle roof is shown in the drawings. DETAILED DESCRIPTION
[0019] The utility model discloses a roof integrated structure of a rail vehicle, which comprises a main bearing structure of a roof, an interior structure of a roof and a transition connecting structure of a roof.
[0020] The utility model discloses a roof integrated structure of a rail vehicle, which comprises a main bearing structure of a roof, an interior structure of a roof and a transition connecting structure of a roof.
[0021] The low roof bearing structure of the vehicle roof is considered comprehensively, and in the low roof bearing structure area of the vehicle roof, in addition to designing sufficient bearing strength and setting the mounting interface of the vehicle roof interior structure, the arrangement and installation structure of electric wires and cables is integrated and set, and the partition area is arranged. In the transition connection structure of the low roof interior, in addition to meeting the transition connection function, the arrangement and installation structure of electric wires and cables is integrated and set, and the partition area is arranged, so as to realize the arrangement and installation of a large number of electric wires and cables of the vehicle roof.
[0022] In the high roof bearing structure of the vehicle roof, due to the relatively low height of the space in the low roof area, in order to realize the unity of the high roof and low roof installation structures and the similarity or interchangeability of part of the sub-components as much as possible, the transition mounting seat is arranged in the high roof area, the upper part of the transition mounting seat is connected with the high roof bearing structure of the vehicle roof, and the lower part is connected with the transition connection structure of the vehicle roof interior structure; the transition connection structures for connecting the vehicle roof interior structure in the high roof area and the low roof area are completely consistent. The transition mounting seat in the high roof area integrates the arrangement and installation structure of electric wires and cables similar to that in the low roof bearing structure area, so as to realize the similar arrangement scheme of electric wires and cables in the high roof area and the low roof area.
[0023] The high roof bearing structure, the transition connection structure of the vehicle roof interior, and the transition mounting seat in the high roof area of the above vehicle roof are all innovative and highly integrated structures, which not only meet the bearing strength and rigidity of the components themselves and meet the basic installation connection interface, but also integrate other installation and arrangement spaces and interfaces of the vehicle.
[0024] The utility model will be described in detail below with reference to the drawings.
[0025] Figure 1 In the figure, 1 is a low roof bearing structure area of the vehicle roof, and the height of the roof bearing structure is reduced because an air conditioning unit is installed on the upper part; 2 is a high roof bearing structure area of the vehicle roof, and the height is basically close to the height of the vehicle. Because one train is provided with one or more air conditioning units, there is one or more low roof bearing structure of the vehicle roof on each vehicle.
[0026] Figure 2 、 Figure 3 、 Figure 4 In the figure, 3 is a low roof bearing structure of the vehicle roof, and 4 is a high roof bearing structure of the vehicle roof. The roof bearing structure not only has the rigidity and strength required by the bearing structure, but also is provided with the installation interface in the vehicle roof, realizes the connection with the transition connection structure of the vehicle roof interior, and is connected with the high roof transition mounting seat structure, as shown in 3.1 and 4.1; and realizes the arrangement and installation of electric wires and cables of the vehicle roof, as shown in 3.2 and 3.3, 3.2 and 3.3 are vertical plates extending downward, and installation holes can be formed on the vertical plates to arrange and fix electric wires and cables on the upper part, wherein 3.2 is two structures extending downward, and different cable types or functions can be arranged.
[0027] Figure 5 In the middle, 5 is the transition connection structure of the roof interior, the upper part connects the load-bearing structure of the roof (or the transition mounting seat of the high roof), see 5.1; the lower part connects the interior roof, side roof and armrests of the roof interior, see 5.2. At the same time, two wing surfaces are provided on the side of the structure, which extend outward, and the internal part can be arranged with electric wires and cables. At the same time, the wing surface can be provided with an opening for fixing the arranged cables.
[0028] Figure 6 In the middle, 6 is the transition mounting seat structure of the high roof, the upper part connects the load-bearing structure of the roof high roof, see 6.1; the lower part connects the transition connection structure of the roof interior, see 6.3; 6.2 is a downward extending vertical plate similar to 3.2, which can be provided with mounting holes on the upper part, and the electric wires and cables are arranged and fixed on the upper part, which are two downward extending structures, and different types or functions of cables can be arranged.
Claims
1. A roof integrated structure of a railway vehicle, characterized by: The low roof bearing structure, the high roof bearing structure and the roof interior transition connecting structure are connected through the mounting interfaces. The low roof bearing structure is provided with a downward extending vertical plate, and the vertical plate is provided with mounting holes for arranging and fixing electric wires and cables. The lower part of the roof interior transition connecting structure is connected with the interior middle roof plate, the side roof plate and the handrail of the roof interior, and two wing surfaces extending outward are arranged on the side part of the roof interior transition connecting structure for arranging electric wires and cables. The high roof transition mounting seat structure is a structure extending downward, and the middle concave part is provided with a downward extending vertical plate.
2. A roof-integrated structure of a rail vehicle according to claim 1, characterized in that: The low roof bearing structure, the high roof bearing structure and the roof interior transition connecting structure are all aluminum alloy profile structures.