CN110466552B - Rail vehicle roof structure and rail vehicle - Google Patents

Abstract

The invention relates to the technical field of railway vehicles, and discloses a railway vehicle roof structure and a railway vehicle, which comprise: the roof body comprises a first end roof module, a middle roof module, a second end roof module and an air-conditioning curved roof module, wherein the air-conditioning curved roof module is arranged between the first end roof module and the middle roof module and/or between the middle roof module and the second end roof module, and the first end roof module, the middle roof module, the second end roof module and the air-conditioning curved roof module are welded into a whole. The railway vehicle roof structure has the advantages of small welding amount, small deformation after welding, suitability for flexible installation among different vehicle types, better universality, lower process requirement and higher structural strength.

Description

Rail vehicle roof structure and rail vehicle

technical field

The present invention relates to the technical field of rail vehicles, in particular to a rail vehicle roof structure and a rail vehicle.

Background technique

At present, the stainless steel roof structure in the existing rail vehicle is usually divided into two parts, that is, the first part is the roof beam, and the second part is the roof panel, wherein the roof beam usually includes the roof beam, the rocker and the side beam. cover plate, etc. The roof beams and pillars are designed as an integral component. The roof panels usually include corrugated roof panels and stamped roof panels. The corrugated roof panels and the stamped roof panels are alternately arranged along the length of the rail vehicle. As an integral assembly to form the roof panel, when the roof panel is integrally welded to the roof pillar, the amount of welding is greatly increased, thereby increasing the risk of post-weld deformation.

In addition, it is necessary to make multiple sets of tooling in the follow-up to meet the requirements of integrally installing the roof panel on the roof beams. However, the above-mentioned integral installation method greatly prolongs the manufacturing cycle of the stainless steel roof structure. And it also greatly reduces the versatility of use between different models.

SUMMARY OF THE INVENTION

(1) Technical problems to be solved

The purpose of the present invention is to provide a rail vehicle roof structure and a rail vehicle, so as to at least solve the problems of large welding amount, serious deformation after welding and inability to be suitable for flexible installation between different vehicle types in the stainless steel roof structure in the prior art, resulting in Technical issues with less generality.

(2) Technical solutions

In order to solve the above technical problems, according to a first aspect of the present invention, there is provided a roof structure of a rail vehicle, comprising: a roof body, the roof body comprising a first end roof module, a middle roof module, a second roof End roof module and air conditioning curved roof module, wherein the air conditioning curved roof module is arranged between the first end roof module and the middle roof module and/or is arranged in the middle roof module and the second end roof module, the first end roof module, the middle roof module, the second end roof module and the air-conditioning curved roof module are welded into one body.

Wherein, the first end roof module, the middle roof module, the second end roof module and the air-conditioning curved roof module all include a roof frame and a roof panel, wherein the roof panel is arranged on the The upper end face of the roof frame.

Wherein, the roof frame includes a plurality of roof curved beams, each of the roof curved beams is arranged at intervals along the length direction of the vehicle body, and the roof panel is welded on the upper end surface of each of the roof curved beams .

Wherein, the roof panel includes a corrugated roof panel, and a hollow area is formed on the corrugated roof panel in the first end roof module, the middle roof module and the second end roof module; the rail vehicle The top structure further includes a stamped top plate, which is embedded in the hollow area and welded integrally with the corrugated top plate.

Wherein, a waste discharge port is formed on the punched roof; the rail vehicle roof structure further includes a waste discharge flange arranged on the edge of the waste discharge port and welded with the punched roof.

Wherein, the roof structure of the rail vehicle further comprises a roof rocker respectively disposed at both ends of the roof curved beam and a side wall beam connected with the roof rocker on the corresponding side.

Wherein, the side wall side beam includes a side wall side beam body, and a first arc-shaped beam and a second arc-shaped beam respectively arranged on both sides of the side wall side beam body and extending toward the direction of the roof lower side beam , wherein the side wall beam body, the first arc beam and the second arc beam together form a groove structure with an opening facing upward; the lower end of the roof lower beam is embedded in the groove In the trough-shaped structure, the contour shape of the lower end of the roof rocker is adapted to the inner contour shape of the trough-shaped structure.

Wherein, the roof structure of the rail vehicle further includes stainless steel chutes which are respectively arranged on both sides of the inner side of the roof body and extend along the direction of the vehicle body, wherein the cross-sectional shape of the stainless steel chutes is such that the opening faces downwards the C shape.

Wherein, the roof structure of the rail vehicle further includes a plurality of air-conditioning mounting seats, and each of the air-conditioning mounting seats is respectively disposed in the first end roof module, the air-conditioning curved roof module and the second end roof module. on the corresponding roof rails.

Wherein, the air conditioner mounting seat is configured as a U-shaped body with an opening facing the outside, and a support member is provided inside the U-shaped body.

According to a second aspect of the present invention, there is also provided a rail vehicle, comprising the above-mentioned roof structure of the rail vehicle.

(3) Beneficial effects

Compared with the prior art, the roof structure of the rail vehicle provided by the present invention has the following advantages:

The present invention constructs the roof body into a separate module structure, that is, the roof body is divided into four parts: the first end roof module, the middle roof module, the second end roof module and the air-conditioning curved roof module. Modules, different vehicle models can appropriately increase the number of the corresponding modules in the above four modules and combine them arbitrarily according to the needs of equipment layout and the length of the body of the rail vehicle. It can be seen that by combining the vehicle of the present invention The roof body is arranged in a modular structure, which effectively enhances the flexibility of the installation of the roof body and the versatility of use. The major modules can be made separately. When assembling each module, it not only improves the utilization rate of tooling , Save tooling costs, and at the same time, save the design and production cycle of the entire roof body. In addition, compared with the structure of the existing roof body, which is an integral type, the entire roof panel needs to be welded on the roof frame during manufacture. When manufacturing the roof body of the present invention, only the Welding between adjacent modules can be achieved, thereby greatly reducing the amount of welding, effectively reducing the probability of post-welding deformation, and greatly improving the dimensional accuracy of each module.

Description of drawings

1 is a schematic diagram of an exploded structure of a rail vehicle roof structure according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the first end roof module in FIG. 1;

Fig. 3 is the connection structure schematic diagram of the corrugated top plate and the punched top plate in Fig. 2;

Fig. 4 is the partial enlarged structural representation of I place in Fig. 3;

Fig. 5 is the connection structure schematic diagram of the roof lower side beam and the side wall side beam in Fig. 1;

FIG. 6 is a front view of the connection structure of the roof body and the stainless steel chute in FIG. 1 .

In the figure, 1: roof body; 11: first end roof module; 12: middle roof module; 13: second end roof module; 14: air conditioning curved roof module; 2: roof frame; 21 : Roof curved beam; 3: Roof panel; 31: Corrugated roof panel; 4: Stamped roof panel; 5: Waste flange; 6: Roof lower side beam; 7: Side wall side beam; 71: Side wall side beam body ; 72: The first arc beam; 73: The second arc beam; 8: Groove structure; 9: Stainless steel chute; 10: Air conditioner mounting seat.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in Figures 1 to 6, the figures schematically show that the rail vehicle roof structure includes a roof body 1, a first end roof module 11, an intermediate roof module 12, and a second end roof module 13 and the air-conditioning curved roof module 14.

In the embodiment of the present invention, the roof body 1 includes a first end roof module 11 , a middle roof module 12 , a second end roof module 13 and an air-conditioning curved roof module 14 , wherein the air-conditioning curved roof A module 14 is arranged between the first end roof module 11 and the middle roof module 12 and/or between the middle roof module 12 and the second end roof module 13, the first end The roof module 11 , the middle roof module 12 , the second end roof module 13 and the air-conditioning curved roof module 14 are welded into one body. Specifically, the present invention constructs the roof body 1 into a separate module structure, that is, the roof body 1 is divided into a first end roof module 11 , an intermediate roof module 12 , and a second end roof module 13 . As well as the four modules of the air-conditioning curved roof module 14, different models can appropriately increase the number of the corresponding modules in the above four modules and combine them arbitrarily according to the needs of equipment layout and the length of the vehicle body of the rail vehicle. , it can be seen that by setting the roof body 1 of the present invention into a modular structure, the flexibility of installation and the versatility of use of the roof body 1 are effectively enhanced. When assembled, not only the utilization rate of the tooling is improved, the tooling cost is saved, but also the design and production cycle of the entire roof body 1 is saved.

In addition, compared with the structure of the existing roof body, which is an integral type, the whole roof panel needs to be welded on the roof frame during manufacture. When the roof body 1 of the present invention is manufactured, only the It is only necessary to realize the welding between adjacent modules, thereby greatly reducing the amount of welding, effectively reducing the probability of deformation after welding, and greatly improving the dimensional accuracy of each module.

It should be noted that, if there is one air-conditioning curved roof module 14 in the present invention, it can be arranged between the first end roof module 11 and the middle roof module 12, or the air-conditioning curved roof module 14 can be arranged Between the middle roof module 12 and the second end roof module 13 .

If there are two air-conditioning curved roof modules 14 in the present invention, the air-conditioning curved roof modules 14 may be respectively disposed between the first end roof module 11 and the middle roof module 12 and between the middle roof module 12 and the middle roof module 12 , respectively. between the second end roof modules 13 .

It should also be noted that the contours and shapes of the first end roof module 11 , the middle roof module 12 , the second end roof module 13 and the air-conditioning curved roof module 14 match. During welding, smooth connection of the welding parts can be ensured, thereby ensuring the overall aesthetics of the roof body 1, wherein the overall shape of the roof body 1 is similar to that of a general rail vehicle. For the sake of space saving, in the This is not described in detail.

In the embodiment of the present invention, laser welding may be used for welding between the above-mentioned modules.

In an embodiment of the present invention, the first end roof module 11 , the middle roof module 12 , the second end roof module 13 and the air-conditioning curved roof module 14 all include a roof frame 2 and a roof panel 3 , wherein the roof panel 3 is arranged on the upper end face of the roof frame 2 . It can be seen that the setting of the roof frame 2 mainly plays the role of supporting and fixing the roof panel 3 .

In another embodiment of the present invention, the roof frame 2 includes a plurality of roof curved beams 21, each of the roof curved beams 21 are respectively arranged at intervals along the length direction of the vehicle body, and the roof panel 3 is welded on each of the roof beams 21. The upper end surface of the roof arch 21 . Specifically, each of the roof beams 21 can be made of Z-shaped steel or hat-shaped steel. Among them, both the Z-shaped steel and the hat-shaped steel have good atmospheric corrosion resistance, high strength and certain low temperature impact toughness, and also have excellent welding performance. Therefore, the roof beam 21 made of Z-shaped steel or hat-shaped steel also has the advantages of corrosion resistance, high strength and good welding performance. In addition, the roof beam 21 also has the advantage of low temperature impact toughness.

As shown in FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , in a preferred embodiment of the present invention, the roof panel 3 includes a corrugated roof panel 31 , at the first end roof module 11 , the middle roof The module 12 and the corrugated roof panel 31 in the second end roof module 13 are formed with hollow areas (not shown in the figures).

The rail vehicle roof structure further includes a stamped roof 4 embedded in the hollow area and welded with the corrugated roof 31 as a whole. Specifically, the punched top plate 4 of the present invention is a smooth flat plate structure, and the outline size of the punched top plate 4 is small, and only has a size that can be used to open a waste outlet. Therefore, the punched top plate 4 of the present invention is compared to The existing stamped roof and corrugated roof are alternately arranged and both extend along the length direction of the vehicle body, which greatly reduces the overall size. In this way, when welding the stamped roof 4 and the corrugated roof 31, This greatly reduces the size of the welding seam, reduces the amount of welding, reduces the probability of deformation after welding, and ensures the first end roof module 11, the middle roof module 12 and the second end roof module 13. of aesthetics.

Preferably, the stamped top plate 4 and the corrugated top plate 31 can be connected together by laser welding. The existing welding method is usually arc welding, but the laser welding used in this application has the advantages of small welding deformation and good appearance.

As shown in FIG. 3 and FIG. 4 , in one embodiment of the present invention, a waste discharge port (not shown in the figures) is constructed on the punched top plate 4 .

The rail vehicle roof structure further includes a waste discharge flange 5 which is disposed on the edge of the waste discharge outlet and welded with the stamped roof 4 as a whole. Specifically, the waste discharge flange 5 can be fixed on the waste discharge port by means of laser welding. The arrangement of the waste discharge flange 5 can be used to install a waste discharge device.

It should be noted that the structure and function of the waste discharge device are well known to those skilled in the art, and are not described in detail here for the sake of space saving.

As shown in FIG. 5 , in a preferred embodiment of the present invention, the roof structure of the rail vehicle further includes a roof rocker 6 respectively disposed at both ends of the roof curved beam 21 and the roof on the corresponding side. The side wall beams 7 connected with the lower side beams 6 are connected. Specifically, compared with the existing roof sill 6, the roof sill 6 of the present invention cancels the horizontal design of the bottom end of the original roof sill 6, and the side wall sill 7 and the roof sill 6 In the process of connecting, the two do not need to be in the form of a horizontal plane and a horizontal plane, and the lower part of the lower side beam 6 of the roof is arranged in the form of plugging with the side beam 7 on the side wall, so that it can not be affected by the manufacturing accuracy. .

It should be noted that the manufacturing process requirements of the roof lower side beam 6 are relatively low, and it is not affected by the flatness, and can be well plugged with the side wall side beam 7 .

As shown in FIG. 5 , in a preferred embodiment of the present invention, the side wall beam 7 includes a side wall beam body 71 and a side wall beam body 71 respectively disposed on both sides of the side wall beam body 71 and facing the lower side of the roof The first arc-shaped beam 72 and the second arc-shaped beam 73 extending in the direction of the beam 6, wherein the side beam body 71, the first arc-shaped beam 72 and the second arc-shaped beam 73 together form an opening facing upward. Trough structure 8. It should be noted that the overall shape of the side beam body 71 on the side wall is similar to an irregular polygon, and the first arc beam 72 and the second arc beam 72 and the second arc beam 72 and the second arc beam are respectively provided on both sides of the polygon close to the side of the lower side beam 6 of the roof. The arc-shaped beam 73, wherein the first arc-shaped beam 72 and the second arc-shaped beam 73 are arranged oppositely, and the first arc-shaped beam 72 and the second arc-shaped beam 73 are both curved outward and have the same degree of curvature.

The lower end of the roof rocker 6 is embedded in the trough structure 8 , and the contour shape of the lower end of the roof rocker 6 matches the inner contour shape of the trough structure 8 . In this way, it can be ensured that the roof side rail 6 can be smoothly inserted into the trough structure 8, and, compared with the docking method, the bottom end of the roof side rail 6 is reduced in the way of plugging. The flatness of the horizontal plane is required, that is, so that the connection between the roof rocker 6 and the side wall side rails 7 can not be affected by the manufacturing precision.

As shown in FIG. 6 , in a preferred embodiment of the present invention, the roof structure of the rail vehicle further comprises stainless steel runners 9 respectively disposed on both sides of the inner side surface of the roof body 1 and extending along the direction of the vehicle body , wherein, the cross-sectional shape of the stainless steel chute 9 is a C shape with an opening facing downward. Specifically, since the original runners are usually aluminum profiles, and most of them are fixed to the roof beams by bolts, there is a risk of galvanic corrosion between dissimilar metals.

However, the stainless steel chute 9 of the present invention is made of stainless steel, and the stainless steel chute 9 can be disposed on both sides of the inner side of the roof body 1 by welding, so as to avoid dissimilar metals Risk of galvanic corrosion.

In addition, the stainless steel chute 9 is symmetrically arranged along the center of the roof body 1 , which can be used for hanging the interior decoration panel of the roof, the air duct in the vehicle, the wire groove, and the like.

It should also be noted that, since the stainless steel chute 9 is welded with the roof beam 21 , an integral frame structure can be formed, which improves the overall rigidity of the roof body 1 . It can be seen that on the one hand, the stainless steel chute 9 of the present application can be used for vehicle-mounted vehicle roof, and on the other hand, it also acts as a longitudinal beam of the vehicle roof, thereby achieving the effect that one component has multiple functions at the same time.

As shown in FIG. 2 , in a preferred embodiment of the present invention, the roof structure of the rail vehicle further includes a plurality of air-conditioning mounts 10 , and each of the air-conditioning mounts 10 is respectively disposed on the first end roof module 11 . , the air conditioning curved roof module 14 and the corresponding roof curved beam 21 in the second end roof module 13 . Specifically, by directly arranging the air conditioner mounting seat 10 on the roof beam 21 in the above-mentioned module, an installation position can be provided for the air conditioner mounting seat 10, and at the same time, the air conditioner mounting seat 10 can be well supported. The air conditioner eliminates the need to add a support beam to support the air conditioner. It can be seen that the present invention greatly saves raw materials and economic costs under the condition of ensuring normal bearing capacity. It meets the requirements of lightweight.

In a preferred embodiment of the present invention, the air conditioner mounting base 10 is configured as a U-shaped body (not shown in the figure) with an opening facing the outside, and a support member (not shown in the figure) is provided inside the U-shaped body. It should be noted that the U-shaped body includes a bottom plate installed on the roof curved beam 21, a top plate disposed just above the bottom plate, and an arc-shaped plate connecting the bottom plate and the top plate, wherein the bottom plate is welded on the roof curved beam 21, The air conditioner mounting base 10 and the top plate can be fixedly installed by means of bolts or screws.

The support member can be a support rod, a support column or a support plate, etc. The support member can be disposed between the top plate and the bottom plate by welding, and it can be understood that the support member can be disposed vertically or inclined.

The arrangement of the support member can enhance the overall structural strength of the U-shaped body and avoid the situation that the top plate is inclined toward the bottom plate under the gravity of the air conditioner after the air conditioner is installed on the air conditioner mounting base 10 .

According to a second aspect of the present invention, there is also provided a rail vehicle, comprising the above-mentioned roof structure of the rail vehicle.

To sum up, the present invention constructs the roof body 1 into a separate module structure, that is, the roof body 1 is divided into a first end roof module 11 , an intermediate roof module 12 , and a second end roof The module 13 and the air-conditioning curved roof module 14 are four modules. Different models can appropriately increase the number of the corresponding modules in the above four modules according to the needs of equipment layout and the length of the vehicle body of the rail vehicle. It can be seen that by setting the roof body 1 of the present invention into a modular structure, the flexibility of installation and the versatility of use of the roof body 1 are effectively enhanced. When assembling between the two, not only the utilization rate of the tooling is improved, the tooling cost is saved, but also the design and production cycle of the entire roof body 1 is also saved.

In addition, compared with the structure of the existing roof body, which is an integral type, the whole roof panel needs to be welded on the roof frame during manufacture. When the roof body 1 of the present invention is manufactured, only the It is only necessary to realize the welding between adjacent modules, thereby greatly reducing the amount of welding, effectively reducing the probability of deformation after welding, and greatly improving the dimensional accuracy of each module.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection of the present invention. within the range.

Claims (9)

1. A rail vehicle roof structure, comprising:

a roof body including a first end roof module, a middle roof module, a second end roof module, and an air conditioning drop roof module, wherein the air conditioning drop roof module is disposed between the first end roof module and the middle roof module and/or between the middle roof module and the second end roof module, and the first end roof module, the middle roof module, the second end roof module, and the air conditioning drop roof module are welded together;

the first end roof module, the middle roof module, the second end roof module and the air-conditioning curved roof module respectively comprise a roof framework and a roof plate;

the roof framework comprises a plurality of roof camber beams, and the roof camber beams are arranged at intervals along the length direction of the vehicle body;

the railway vehicle roof structure further comprises roof lower side beams arranged at two ends of the roof camber beam respectively and side wall upper side beams connected with the roof lower side beams on the corresponding sides;

the side wall roof side rail comprises a side wall roof side rail body, and a first arc-shaped beam and a second arc-shaped beam which are respectively arranged on two sides of the side wall roof side rail body and extend towards the direction of the roof lower side rail, wherein the side wall roof side rail body, the first arc-shaped beam and the second arc-shaped beam jointly form a groove-shaped structure with an upward opening;

the lower end of the roof side sill is embedded in the groove-shaped structure, and the contour shape of the lower end of the roof side sill is matched with the inner contour shape of the groove-shaped structure.

2. The rail vehicle roof structure according to claim 1, characterized in that the roof panel is provided at an upper end face of the roof frame.

3. The rail vehicle roof structure as claimed in claim 2, characterized in that the roof panel is welded to an upper end face of each roof bow.

4. The rail vehicle roof structure of claim 2, wherein the roof panel comprises a corrugated roof panel, and wherein a hollow region is configured in the corrugated roof panel in each of the first, middle and second end roof modules;

the railway vehicle roof structure further comprises a stamping top plate, wherein the stamping top plate is embedded in the hollow area and is welded with the corrugated top plate into a whole.

5. The rail vehicle roof structure as claimed in claim 4, characterized in that a waste discharge opening is configured on the punch top panel;

the railway vehicle roof structure further comprises a waste discharge flange which is arranged at the edge of the waste discharge opening and is welded with the stamping top plate into a whole.

6. The rail vehicle roof structure according to any one of claims 1 to 5, further comprising stainless steel runners provided on both sides of the inner side surface of the roof body, respectively, and extending in the vehicle body direction, wherein the stainless steel runners have a cross-sectional shape of a C-shape with an opening facing downward.

7. The rail vehicle roof structure of claim 3, further comprising a plurality of air conditioning mounts, each air conditioning mount being disposed on a respective roof camber beam in the first, air conditioning camber module, and second end roof module.

8. The rail vehicle roof structure of claim 7, wherein the air conditioner mounting seat is configured as a U-shaped body with an opening facing outward, and a support member is provided inside the U-shaped body.

9. A rail vehicle, characterized in that it comprises a rail vehicle roof construction according to any one of claims 1 to 8.

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