CN112977504A - Railway vehicle and connecting structure and connecting method of side top plate and side wall plate thereof - Google Patents
Railway vehicle and connecting structure and connecting method of side top plate and side wall plate thereof Download PDFInfo
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- CN112977504A CN112977504A CN201911292439.5A CN201911292439A CN112977504A CN 112977504 A CN112977504 A CN 112977504A CN 201911292439 A CN201911292439 A CN 201911292439A CN 112977504 A CN112977504 A CN 112977504A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/08—Sides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/12—Roofs
Abstract
The embodiment of the application relates to the technical field of railway vehicles, in particular to a railway vehicle and a connecting structure and a connecting method of a side top plate and a side wall plate of the railway vehicle. The bottom end of the side top plate of the connecting structure is provided with a rain eaves and a plurality of through holes; the height of the top edge of the through hole is lower than that of the top edge of the rain eave; the bottom end of the side top plate is connected to the outer surface of the top of the side wall plate in a welding mode, and the welding seam for connecting the side top plate and the side wall plate is located at the edge of the through hole. This connection structure welds the limit roof in the side wall board through the welding seam that is formed in the through-hole to shelter from the welding seam through the eaves, not only improved the outward appearance aesthetic feeling of whole car, need not to shelter from the welding seam through the air conditioner cover plate moreover, can also carry out the water conservancy diversion to the rainwater that the roof flowed down through the eaves simultaneously.
Description
Technical Field
The application relates to the technical field of railway vehicles, in particular to a railway vehicle and a connecting structure and a connecting method of a side top plate and a side wall plate of the railway vehicle.
Background
The stainless steel car body has the advantages of light weight, corrosion resistance, low maintenance amount, high temperature resistance, long service life, environmental protection, low comprehensive cost and the like, so the stainless steel car body has a great proportion in railway and urban rail markets at home and abroad. The stainless steel material has the welding characteristics of high resistivity, low thermal conductivity and larger linear expansion coefficient than common carbon steel, and after heat is input, the stainless steel material is slow in heat dissipation and large in deformation, so that resistance spot welding is adopted instead of conventional electric arc welding with larger heat when assembly welding is carried out, and an arc welding head design scheme with low heat input is adopted as far as possible under the condition that spot welding cannot be adopted.
Because the number of doors and windows of the stainless steel metro vehicle is large, a welding tongs easily extends into a spot welding position between the roof and the side wall from an opening of the door and the window; and in the position of the single-layer stainless steel vehicle which is not provided with the opening of the door and the window, the welding tongs cannot reach the welding position of the roof and the side wall, and the roof and the side wall can be connected only by adopting an electric rivet welding mode. For the double-layer stainless steel vehicle, the welding tongs cannot reach the welding position of the roof and the side wall due to the fact that the position of a door and window opening is not arranged locally, and the roof and the side wall can only be connected through arc welding. When the roof and the side wall are welded by adopting electric rivet welding, a steel plate needs to be melted at the welding position to form a fusion welding spot, and the roof and the side wall are connected by adopting arc welding to form a welding seam, so that the appearance of the whole vehicle is poor in attractiveness.
Disclosure of Invention
The embodiment of the application provides a rail vehicle and a connecting structure and a connecting method of a side top plate and a side wall plate thereof, the connecting structure welds the side top plate to the side wall plate through a welding seam formed in a through hole, and shelters the welding seam through a rain eave, so that the appearance aesthetic feeling of the whole vehicle is improved, the welding seam does not need to be sheltered through an air conditioner cover plate, and meanwhile, the rain eave can guide rainwater flowing down from a roof.
According to a first aspect of the embodiments of the present application, there is provided a connecting structure of a side roof panel and a side wall panel of a rail vehicle, wherein a plurality of through holes arranged along a length direction of the rail vehicle are provided at a bottom end of the side roof panel, and a rain eave facing an outer side of the rail vehicle is provided at the bottom end of the side roof panel;
the height of the top edge of the through hole is lower than that of the top edge of the rain eave, and the through hole is used for shielding the through hole on the inner side of the rain eave;
the bottom end of the side top plate is connected with the outer surface of the top of the side wall plate in a welding mode, and the welding seam used for connecting the side top plate and the side wall plate is located at the edge of the through hole.
Preferably, the rain eaves are formed by right-angle bent plates fixedly connected to the side top plates;
the right angle bent plate includes the horizontal plate that the level set up and with the perpendicular riser that sets up of horizontal plate, the one end fixed connection of horizontal plate in limit roof, the other end with the base fixed connection of riser.
Preferably, the right-angle bent plate and the side top plate are of an integral structure;
the right-angle bent plate is formed by bending the edge top plate.
Preferably, a water chute is formed among the vertical plate, the transverse plate and the side top plate.
Preferably, a plurality of the through holes are uniformly distributed along the length direction of the side top plate.
Preferably, the through hole is an oblong hole or an elliptical hole, and a long axis of the through hole is aligned with a length direction of the rail vehicle.
Preferably, the weld is a fillet weld.
Preferably, circular arc transition is adopted between the transverse plate and the side top plate and between the transverse plate and the vertical plate.
According to a second aspect of embodiments of the present application, there is provided a rail vehicle comprising an underframe, a roof and side walls; the side wall comprises a side wall plate fixedly arranged on the underframe; the roof comprises a side top plate fixedly connected with the side wall plate; the side top plate and the side wall plate are fixedly connected through any one connecting structure provided by the technical scheme.
According to a third aspect of the embodiments of the present application, there is also provided a method for connecting a side roof panel and a side wall panel of a railway vehicle, the method including:
preparing a side top plate, wherein the bottom end of the side top plate is provided with a rain eave and a plurality of through holes;
and welding the edge top plate to the top of the side wall plate, wherein welding seams between the edge top plate and the side wall plate are formed in the through holes.
By adopting the rail vehicle and the connecting structure and the connecting method of the side top plate and the side wall plate thereof provided by the embodiment of the application, the following beneficial effects are achieved:
in the rail vehicle, a plurality of through holes are arranged at the bottom end of the side top plate, when the side top plate is connected to the top of the side wall plate in a welding mode, the edge parts of the through holes are welded, and the side top plate and the side wall plate are connected together in a welding mode through welding seams formed at the edges of the through holes; because the bottom of limit roof still is provided with the rain eaves, not only can carry out the water conservancy diversion to the rainwater that flows down from the roof through the rain eaves, can also shelter from the through-hole through the rain eaves, and then shelter from the inboard with the welding seam at through-hole edge, can not see the joint weld outside the car, improve the aesthetic property of whole car.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a rail vehicle according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of an end portion of the rail vehicle provided in FIG. 1;
fig. 3 is a partially enlarged schematic view of a portion a of the railway vehicle provided in fig. 2.
Reference numerals:
1-a rail vehicle; 11-a chassis; 12-side walls; 13-vehicle roof; 14-a vehicle door; 15-vehicle window;
121-side wall panels; 131-edge top plate;
1311-through holes; 1312-rain eaves; 1313-a transverse plate; 1314-vertical plate; 1315-water chute.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
The embodiment of the application provides a connecting structure of a side top plate 131 and a side wall plate 121 of a rail vehicle 1, as shown in fig. 1 and fig. 2, the rail vehicle 1 comprises a bottom frame 11, a side wall 12 installed on the bottom frame 11 and a roof 13 installed on the top of the side wall 12, of course, the rail vehicle 1 further comprises an end wall installed on the bottom frame 11, a vehicle body is formed by fixedly connecting the bottom frame 11, the side wall 12, the end wall and the roof 13, and an in-vehicle space for passengers to sit is formed in the vehicle body; the side wall 12 is provided with a vehicle door 14 and a vehicle window 15; the roof 13 comprises a top plate and a side top plate 131, and the bottom end of the side top plate 131 is fixedly arranged on the side wall 12; the side wall 12 comprises a side wall 12 framework and a side wall plate 121; a plurality of through holes 1311 arranged along the longitudinal direction of the rail vehicle 1 are formed at the bottom end of the side top plate 131, and a rain eave 1312 facing the outside of the rail vehicle 1 is formed at the bottom end of the side top plate 131; the height of the top edge of the through hole 1311 is lower than that of the top edge of the rain eaves 1312, so that the through hole 1311 is shielded inside the rain eaves 1312; the bottom end of the side top plate 131 is welded to the top outer surface of the side wall plate 121, and the welding seam for connecting the side top plate 131 and the side wall plate 121 is located at the edge of the through hole 1311.
As shown in fig. 1 and fig. 3, the edge top plate 131 is an arc-shaped plate extending along the length direction of the rail vehicle 1, a plurality of through holes 1311 are provided at the bottom end of the edge top plate 131, the through holes 1311 may be oblong holes or elliptical holes, and the long axis of the through holes 1311 coincides with the length direction of the rail vehicle 1; the through holes 1311 may be uniformly distributed along the length direction of the side roof panel 131, or may be arranged according to a specific layout structure of the vehicle body, so as to achieve the welding connection between the side roof panel 131 and the side wall panel 121 through the through holes 1311 arranged at the bottom end of the side roof panel 131, part of the surface of the side wall panel 121 may be exposed through the through holes 1311, and the side roof panel 131 and the side wall panel 121 may be simultaneously melted by welding in the through holes 1311, so that the side roof panel 131 and the side wall panel 121 are welded together;
as shown in fig. 1, 2 and 3, the bottom end of the side roof panel 131 is provided with not only a plurality of through holes 1311, but also a rain eaves 1312 extending toward the outside of the rail vehicle 1; the height of the top edge of the through hole 1311 is lower than that of the top edge of the rain eaves 1312, so that the through hole 1311 is shielded inside the rain eaves 1312; as shown in the structure of fig. 3, the eave 1312 may be formed by a right-angle bent plate fixedly connected to the edge top plate 131; the right-angle bent plate comprises a horizontal plate 1313 and a vertical plate 1314, wherein the horizontal plate 1313 is arranged horizontally, the vertical plate 1314 is arranged vertically to the horizontal plate 1313, one end of the horizontal plate 1313 is fixedly connected to the side top plate 131, and the other end of the horizontal plate 1313 is fixedly connected to the bottom edge of the vertical plate 1314; the right-angle bent plate may be integrated with the side top plate 131, and is formed by bending the bottom edge of the side top plate 131; the right angle bent plate can also be a split structure with the side top plate 131, namely the right angle bent plate is formed by welding the vertical plate 1314 and the transverse plate 1313 and then is welded to the bottom end of the side top plate 131; the rain eaves 1312 are not limited to an integral structure and a split structure, and can be formed by other structures except a right-angle bent plate; the rain eaves 1312 are provided for two purposes, wherein the rain eaves 1312 can be used for blocking rain, a water guide groove 1315 is formed between the rain eaves 1312 and the side top plate 131, liquid such as rainwater flowing down from the roof 13 can flow towards two ends of the vehicle body along the water guide groove 1315 between the rain eaves 1312 and the side top plate 131, and rainwater can be prevented from directly flowing down from the side wall 12, in addition, the rain eaves 1312 can be used for blocking the through hole 1311 and a welding seam welded at the edge of the through hole 1311, so that the welding seam welding the side top plate 131 and the side wall plate 121 is prevented from being exposed outside, meanwhile, the rain eaves 1312 can also form a decorative line of the roof 13 part, so that the appearance of the vehicle body can be decorated, the appearance of the vehicle body is simple and neat, the aesthetic feeling of.
In the railway vehicle 1 adopting the above-described connection structure, a plurality of through holes 1311 are provided at the bottom end of the side roof panel 131, when the side roof panel 131 is welded to the top of the side wall panel 121, the edge portions of the through holes 1311 are welded, and the side roof panel 131 and the side wall panel 121 are welded together by the weld formed at the edge of the through holes 1311; because the bottom of limit roof 131 still is provided with rain eaves 1312, not only can carry out the water conservancy diversion to the rainwater that flows down from roof 13 through rain eaves 1312, can also shelter from through-hole 1311 through rain eaves 1312, and then shelter from the welding seam at through-hole 1311 edge in the inboard, can not see the connecting weld outside the car, rain eaves 1312 can also form the moulding of roof 13 portion, strengthens the aesthetic feeling of whole car outward appearance, improves the aesthetic property of whole car.
In addition to the above-mentioned connection structure between the side top plate 131 and the side wall plate 121, as shown in fig. 3, a water chute 1315 may be formed among the vertical plate 1314, the horizontal plate 1313, and the side top plate 131. The water guide groove 1315 can guide the liquid such as rainwater flowing down from the roof 13, so that the liquid can be discharged through two ends of the vehicle body, and the liquid such as rainwater can be prevented from directly flowing down from the side wall 12.
In welding the side top panel 131 and the side wall panel 121 through the through hole 1311, the weld may be a fillet weld, and the fillet weld may be formed in a circumferential direction of the through hole 1311.
As shown in fig. 3, the cross plate 1313 and the side top plate 131 and the cross plate 1313 and the vertical plate 1314 are in circular arc transition. The transverse plate 1313 and the vertical plate 1314 can be formed by bending the bottom end of the side top plate 131, and arc transition is adopted between the transverse plate 1313 and the side top plate 131 and between the transverse plate 1313 and the vertical plate 1314, so that the phenomenon of stress concentration is reduced, and the service life of the side top plate 131 is prolonged.
Example two
As shown in the structure of fig. 1, the present embodiment provides a rail vehicle 1, where the rail vehicle 1 may include multiple carriages, and a vehicle body of each carriage may include an underframe 11, a roof 13, and a sidewall 12; the side wall 12 comprises a side wall plate 121 fixedly mounted on the bottom frame 11; the roof 13 includes a side panel 131 fixedly connected to the side wall panel 121; the side top plate 131 and the side wall plate 121 are fixedly connected by using any one of the connection structures provided in the above embodiments.
In the rail vehicle 1, a plurality of through holes 1311 are provided at the bottom end of the side roof panel 131 so as to be aligned in the longitudinal direction of the rail vehicle 1, and a rain eave 1312 facing the outside of the rail vehicle 1 is provided at the bottom end of the side roof panel 131; the bottom end of the side top plate 131 is welded to the top outer surface of the side wall plate 121, and the welding seam for connecting the side top plate 131 and the side wall plate 121 is located at the edge of the through hole 1311.
EXAMPLE III
The embodiment of the present application further provides a method for connecting the side roof panel 131 and the side wall panel 121 of the rail vehicle 1, where the method includes:
preparing an edge top plate 131, wherein the bottom end of the edge top plate 131 is provided with a rain eaves 1312 and a plurality of through holes 1311; as shown in fig. 1 and fig. 3, the edge top plate 131 is an arc-shaped plate extending along the length direction of the rail vehicle 1, a plurality of through holes 1311 are provided at the bottom end of the edge top plate 131, the through holes 1311 may be oblong holes or elliptical holes, and the long axis of the through holes 1311 coincides with the length direction of the rail vehicle 1; the through holes 1311 may be uniformly distributed along the length direction of the side roof panel 131, or may be arranged according to a specific layout structure of the vehicle body, so as to achieve the welding connection between the side roof panel 131 and the side wall panel 121 through the through holes 1311 arranged at the bottom end of the side roof panel 131;
the side top plate 131 is welded to the top of the side wall plate 121, and a welding seam between the side top plate 131 and the side wall plate 121 is formed in the plurality of through holes 1311. When the side top plate 131 is welded to the side wall plate 121, a part of the surface of the side wall plate 121 can be exposed through the through hole 1311, and welding is performed in the through hole 1311, so that the side top plate 131 and the side wall plate 121 can be welded together by simultaneously melting the side top plate 131 and the side wall plate 121.
Because the through hole 1311 for welding is arranged on the side top plate 131, the side top plate 131 and the side wall plate 121 can be directly welded conveniently through the through hole 1311, not only can a welding clamp be omitted in the welding process, but also the welding efficiency and the welding quality can be improved, welding seams for connecting the side top plate 131 and the side wall plate 121 can be shielded through the rain eaves 1312, meanwhile, the rain eaves 1312 can also form a decorative line of the roof 13, and the appearance of the whole vehicle is concise and attractive.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A connecting structure of a side top plate and a side wall plate of a railway vehicle is characterized in that a plurality of through holes which are arranged along the length direction of the railway vehicle are arranged at the bottom end of the side top plate, and a rain eave facing the outer side of the railway vehicle is arranged at the bottom end of the side top plate;
the height of the top edge of the through hole is lower than that of the top edge of the rain eave, and the through hole is used for shielding the through hole on the inner side of the rain eave;
the bottom end of the side top plate is connected with the outer surface of the top of the side wall plate in a welding mode, and the welding seam used for connecting the side top plate and the side wall plate is located at the edge of the through hole.
2. The connecting structure according to claim 1, wherein the eave is formed of a right-angled bent plate fixedly connected to the edge top plate;
the right angle bent plate includes the horizontal plate that the level set up and with the perpendicular riser that sets up of horizontal plate, the one end fixed connection of horizontal plate in limit roof, the other end with the base fixed connection of riser.
3. The connecting structure according to claim 2, wherein the quarter bend plate and the side top plate are of a unitary structure;
the right-angle bent plate is formed by bending the edge top plate.
4. The connecting structure according to claim 3, wherein a water chute is formed between the vertical plate, the lateral plate and the side top plate.
5. The connecting structure according to claim 4, wherein a plurality of the through holes are uniformly distributed along a length direction of the side top plate.
6. The connection structure according to claim 5, wherein the through-hole is an oblong hole or an elliptical hole, and a long axis of the through-hole coincides with a length direction of the rail vehicle.
7. The connection according to claim 6, wherein the weld is a fillet weld.
8. The connection according to claim 7, wherein the lateral plates and the side top plates and the lateral plates and the vertical plates are in arc transition.
9. A rail vehicle comprises an underframe, a roof and side walls; the side wall comprises a side wall plate fixedly arranged on the underframe; the roof comprises a side top plate fixedly connected with the side wall plate; wherein the side top plate and the side wall plate are fixedly connected by using the connecting structure as claimed in any one of claims 1 to 8.
10. A method of joining a side roof panel and a side wall panel of a railway vehicle as claimed in claim 9, comprising:
preparing a side top plate, wherein the bottom end of the side top plate is provided with a rain eave and a plurality of through holes;
and welding the edge top plate to the top of the side wall plate, wherein welding seams between the edge top plate and the side wall plate are formed in the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911292439.5A CN112977504A (en) | 2019-12-16 | 2019-12-16 | Railway vehicle and connecting structure and connecting method of side top plate and side wall plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911292439.5A CN112977504A (en) | 2019-12-16 | 2019-12-16 | Railway vehicle and connecting structure and connecting method of side top plate and side wall plate thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112977504A true CN112977504A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911292439.5A Pending CN112977504A (en) | 2019-12-16 | 2019-12-16 | Railway vehicle and connecting structure and connecting method of side top plate and side wall plate thereof |
Country Status (1)
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| CN (1) | CN112977504A (en) |
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2019
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| Title |
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Application publication date: 20210618 |