CN214189636U - Roof structure and carriage - Google Patents
Roof structure and carriage Download PDFInfo
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- CN214189636U CN214189636U CN202023017786.8U CN202023017786U CN214189636U CN 214189636 U CN214189636 U CN 214189636U CN 202023017786 U CN202023017786 U CN 202023017786U CN 214189636 U CN214189636 U CN 214189636U
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Abstract
The embodiment of the application provides a car roof structure and a carriage, belongs to the technical field of rail trains, and aims to solve the problem that the car roof structure is poor in corrosion resistance; the roof structure comprises a roof plate, a roof camber beam and a roof longitudinal beam; the roof carling and the roof camber beam form a bearing frame, and the roof plate is arranged on the upper surface of the bearing frame; the roof camber beam is of a structure with a Z-shaped section, and the upper flange of the camber beam of the roof camber beam is connected with the roof plate. According to the roof structure and the carriage provided by the embodiment of the application, the roof camber beam is of a structure with a Z-shaped section, the roof camber beam is connected with the upper flange of the camber beam of the roof plate, and a closed cavity is not formed between the roof camber beam and the upper flange; the anti-corrosion treatment of the car roof camber beam without dead angles can be carried out, and the anti-corrosion performance of the car roof structure is improved, so that the structural strength of the car roof camber beam is improved.
Description
Technical Field
The application belongs to the technical field of rail trains, and particularly relates to a roof structure and a carriage.
Background
The carriage of the railway carriage in China is mostly in a thin-wall cylindrical structure, and the roof is used for installing functional components such as an air conditioner, an antenna and the like, so that the roof is used as an important bearing component of the carriage and the structural strength of the roof is required to be ensured.
The roof comprises a roof plate, a roof camber beam, a car body longitudinal beam and the like, wherein the roof camber beam is arranged along the width direction of the carriage, the car body longitudinal beam is arranged along the length direction of the carriage, the roof camber beam and the car body longitudinal beam are combined into a frame structure, and the roof plate is arranged on the combined frame structure; the roof camber beam is in a shape like a Chinese character 'ji' in cross section, and the roof plate and the roof camber beam are welded together to form a closed cavity.
Because a closed cavity is formed between the roof camber beam and the roof plate, the inner surface of the closed cavity is only provided with the anti-corrosive primer, and high corrosion-resistant coating such as damping slurry cannot be sprayed, and the anti-corrosive primer cannot be repaired after aging, so that the anti-corrosive performance of the closed cavity is poor, and the structural strength of the closed cavity is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a roof structure and a carriage, which can solve the problem of poor corrosion resistance of a roof.
In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions:
in a first aspect, embodiments of the present application provide a roof structure, including a roof panel, a roof bow, and a roof rail; the roof carling and the roof camber beam form a bearing frame, and the roof plate is arranged on the upper surface of the bearing frame; the roof camber beam is of a structure with a Z-shaped section, and the upper flange of the camber beam of the roof camber beam is connected with the roof plate.
In a second aspect, an embodiment of the present application provides a vehicle compartment, including a vehicle compartment body and the roof structure of the first aspect; along the length direction of the carriage, two ends of the carriage body are provided with end top camber beams, and the end top camber beams are positioned at the top of an end wall of the carriage; the bearing frame is connected with the end top camber beam, and the roof plate is lapped on the end top camber beam.
Compared with the related art, the roof structure and the carriage provided by the embodiment of the application have the following advantages;
the roof structure and the carriage provided by the embodiment of the application are characterized in that the roof camber beam is of a structure with a Z-shaped section, the roof camber beam is connected with the upper flange of the camber beam of the roof plate, and a closed cavity is not formed between the roof camber beam and the upper flange; compared with a closed cavity formed between the roof camber beam and the roof in the related art, the embodiment can perform dead-angle-free anticorrosion treatment on the roof camber beam, so that the corrosion resistance of the roof structure is improved, and the structural strength of the roof structure is improved.
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.
Fig. 1 is a top view of a load-bearing frame provided in an embodiment of the present application;
fig. 2 is a cross-sectional view of a roof structure provided in an embodiment of the present application;
FIG. 3 is a cross-sectional view of a roof rail provided in accordance with an embodiment of the present application;
FIG. 4 is a schematic view of a connection between a roof bow and a roof panel according to an embodiment of the present disclosure;
FIG. 5 is a first schematic view of a dome-shaped protrusion of the middle roof panel according to an embodiment of the present disclosure;
FIG. 6 is a second schematic view of the dome of the ceiling of the present application according to an embodiment of the present application;
FIG. 7 is a schematic view of the connection of the roof panel, the roof rail and the end roof bow according to an embodiment of the present disclosure.
Description of reference numerals:
10-roof camber beam; 11-upper flange of the camber beam; 12-beam lower flange; 13-an intermediate connection section; 20-a roof rail; 30-a roof panel; 31-middle ceiling; 32-side top plate; 40-a roof side rail; 50-a hanging weight mounting rack; 60-end wall; 70-end top bending beam; 80-connecting plate.
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
As shown in fig. 1 and 2, the present embodiment provides a roof structure, which includes a roof rail 10, a roof rail 20, and a roof panel 30, wherein an extending direction of the roof rail 20 coincides with a length direction of a vehicle compartment, an extending direction of the roof rail 10 coincides with a width direction of the vehicle compartment, and the roof rail 10 is connected to the roof rail 20 and forms a load-bearing frame, and the roof panel 30 is disposed on an upper surface of the load-bearing frame and covers the load-bearing frame, thereby forming the roof structure.
Specifically, the carrier frame may include a plurality of roof rails 20 and a plurality of roof bows 10, the plurality of roof bows 10 being disposed at intervals in a lengthwise direction of the vehicle compartment, and each roof bow 10 extending in a widthwise direction of the vehicle compartment and being arranged throughout; by the arrangement, the roof camber beam 10 can be formed at one time without separate blanking and tailor welding; the production efficiency is improved, and the welding deformation is reduced; meanwhile, the problem of misalignment of the sectional type roof camber beam 10 is avoided, and the assembly precision is improved.
The plurality of roof rails 20 are arranged at intervals along the width direction of the carriage, and two ends of each roof rail 20 are respectively connected with two adjacent roof camber beams 10; for example, the roof bow 10 and the roof rail 20 are perpendicularly and crosswise welded to form the load-bearing frame, which can enhance the structural strength of the load-bearing frame, enhance the supporting effect on the roof panel 30, and prevent the roof panel 30 from deforming.
In the embodiment, the cross section of the roof rail 20 is in an L shape, and can be made of angle steel, and one flange of the roof rail 20 is attached and fixed with the roof panel 30; for example, the roof rail 20 and the roof panel 30 may be connected by welding.
As shown in fig. 3 and 4, the cross section of the roof bow 10 is Z-shaped, which can be made of Z-shaped section bar, the roof bow 10 includes a bow upper flange 11, a bow lower flange 12 and a middle connecting section 13, wherein the bow upper flange 11 and the bow lower flange 12 are arranged in parallel, one end of the bow upper flange 11 is connected with the top end of the middle connecting section 13, and the bow lower flange 12 is connected with the bottom of the middle connecting section 13; the upper flange 11 and the lower flange 12 are respectively located on two sides of the middle connecting section 13, and the upper flange and the lower flange extend reversely relative to the middle connecting section 13, and the middle connecting section 13 can be respectively vertically connected with the upper flange 11 and the lower flange 12.
The upper flange 11 of the bent beam is attached and fixed with the roof panel 30; for example, the upper camber beam flange 12 and the roof panel 30 may be connected by welding, and the lower camber beam flange 12 is used for fixing other accessories. The respective elevations between the roof bow 10 and the roof panel 30 are exposed without a closed cavity between the two.
After the roof rail 20 and the roof bow 10 are combined to form the carrier frame, the roof panel 30 is welded to the carrier frame to form the roof structure. In the embodiment, a closed cavity is not formed between the roof camber beam 10 and the roof plate 30, so that dead-angle-free anticorrosion treatment can be performed on the roof camber beam 10 and the roof plate 30, the corrosion resistance of the roof structure can be improved, the phenomenon that the roof structure is damaged due to corrosion is avoided, and the structural strength of the roof structure can be improved.
Moreover, the roof camber beam 10 in the embodiment is of a zigzag structure, and compared with the roof camber beam 10 in the related art which is of a zigzag structure, the roof camber beam 10 in the embodiment can reduce the weight of a roof structure, thereby reducing the weight of the whole carriage and meeting the requirement of light weight of a train; meanwhile, in the related art, a closed cavity is formed between the roof camber beam 10 and the roof plate 30, and when the roof plate 30 in the closed cavity is sunken, a maintenance worker cannot maintain the roof plate 30 from the inside of the carriage; in the application, a closed cavity is not formed between the roof camber beam 10 and the roof plate 30, so that the recess of the roof plate 30 can be maintained from the interior of the carriage, and the feasibility of adjusting and repairing the roof structure is improved.
On the basis of the above embodiments, the roof panel 30 provided in the embodiment of the present application is a split structure, the roof panel 30 includes a middle roof panel 31 and two side roof panels 32 located at two sides of the middle roof panel 31, and the two side roof panels 32 may be symmetrically arranged at two sides of the middle roof panel 31; wherein, the middle area of the middle top plate 31 is provided with an arch-shaped bulge, and two side edges of the middle top plate 31 are respectively connected with the side top plates 32; the arched projections may protrude away from the load-bearing frame, i.e., the middle region of the middle roof panel 31 is provided with an upwardly protruding arched projection, so as to enhance the structural strength of the middle roof panel.
It will be appreciated that the middle region of the middle ceiling 31 may be provided with a plurality of dome-shaped protrusions, which may be arranged in an array on the middle region of the middle ceiling 31. For example, the middle top plate 31 may be made of a corrugated plate, and the convex corrugation shape of the corrugated plate may be a trapezoid or a circular arc, as shown in fig. 5 and 6.
The side roof panel 32 may be a flat panel, one side of the side roof panel 32 is connected to the base section of the middle roof panel 31, and the other side of the side roof panel 32 extends toward the side wall of the vehicle compartment. The deformation section of the middle roof panel 31 provided by the embodiment is a corrugated plate, which improves the rigidity of the roof panel 30 and can reduce the adjustment and repair of the flatness of the roof panel 30.
The roof structure provided in the present embodiment further includes two roof side rails 40, and the two roof side rails 40 are respectively located on both sides of the roof structure. Specifically, the roof side rails 40 may be made of U-shaped section bars, and the open sides of the two roof side rails 40 may be disposed opposite to each other; the roof side rails 40 are respectively arranged on one side of the side top plate 32 far away from the middle top plate 31, namely the roof side rails 40 are positioned on two sides of the roof structure and positioned at the lowest part of the roof structure; the roof rail 20 may be disposed lengthwise along the vehicle compartment, and the upper surface of the roof rail 20 is connected to the side roof panel 32 and the roof bow 10, respectively, to reinforce the structural strength of the roof structure.
The roof structure further comprises a hanger mounting bracket 50, wherein the hanger mounting bracket 50 is used for mounting accessories, such as an air conditioner and the like, and the hanger mounting bracket 50 is used for mounting an air conditioner and the like; illustratively, the suspension mount 50 may be symmetrically disposed at a lower region of the center roof panel 31, and the suspension mount 50 may be connected and fixed to the camber beam lower flange 12 of the roof camber beam 10. It will be appreciated that the mounting location of the load mount 50 can be adjusted according to the location requirements of the desired accessory to be mounted, i.e., the load mount 50 can be selectively mounted to the roof bow 10 in different locations.
Example two
The carriage provided by the embodiment of the application not only comprises the roof structure related in the first embodiment, but also comprises a carriage body, wherein the roof structure is covered at the opening at the top of the carriage body and forms the carriage body structure; wherein, along the length direction of the carriage, the carriage body comprises end walls 60 positioned at two ends of the carriage body; along the width direction of carriage, the both sides of the carriage body are provided with the side wall respectively.
The two end walls 60 are respectively provided with an end top camber beam 70, the end top camber beam 70 is positioned at the top of the end wall 60, and the end top camber beam 70 is connected with two ends of the roof structure; the roof rail 20 in the roof structure needs to be inserted into the end top camber beam 70 and is welded and fixed with the end top camber beam 70; the roof panel 30 of the roof structure overlaps the end roof bow 70 and covers a portion of the end roof bow 70.
As shown in fig. 7, to facilitate mounting of the roof structure to the end top sills 70, the roof rail 20 has gaps between its ends and the end top sills 70 at the front and rear ends of the compartment, respectively, such that the roof structure falls from top to bottom between the two end top sills 70; a connecting plate 80 is arranged between the end top camber beam 70 and the roof rail 20, and after the roof structure falls between the two end top camber beams 70, the roof rail 20 and the end top camber beam 70 are connected together through the connecting plate 80.
For example, the web 80 may be welded to the roof rail 20 and the end bow 70. So set up, can reduce the preparation precision of automobile body longeron, guarantee that it is adjustable along carriage length direction, can promote carriage equipment production efficiency. Further, the top of the side wall of the carriage is also provided with a bearing side beam, the bearing side beam can be arranged along the length direction of the side wall in a full-length mode, the bearing side beam is used for being matched with a side top longitudinal beam of the roof structure, and the roof side beam 40 can be fixed on the bearing side beam, so that the roof structure is installed on the carriage body to form the carriage.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
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 roof structure is characterized by comprising a roof plate, a roof camber beam and a roof longitudinal beam;
the roof carling and the roof camber beam form a bearing frame, and the roof plate is arranged on the upper surface of the bearing frame;
the roof camber beam is of a structure with a Z-shaped section, and the upper flange of the camber beam of the roof camber beam is connected with the roof plate.
2. The roof structure as claimed in claim 1, characterized in that the roof bow is arranged on the roof panel in the width direction of the passenger compartment.
3. The roof structure of claim 1, wherein the roof panel includes a center roof panel and side roof panels located on both sides of the center roof panel;
the middle top plate is a corrugated plate, and the side top plate is a flat plate.
4. The roof structure of claim 3, wherein the middle region of the center roof panel is provided with an arch-shaped protrusion;
the arched bulge protrudes towards the direction far away from the bearing frame.
5. The roof structure of claim 3, further comprising two roof side rails;
the two roof side rails are arranged on two sides of the bearing frame along the length direction of the carriage in a full-length mode, and the roof side rails are located on one side, away from the middle top plate, of the side top plate;
the upper bottom surfaces of the roof side rails are connected with the side top plates and the roof camber beams respectively.
6. The roof structure of claim 3, further comprising a hanger mounting bracket for mounting accessories;
the hanging code mounting rack is located below the middle top plate and arranged on a lower flange of a camber beam of the car roof.
7. The roof structure of claim 1, wherein a plurality of the roof rails are spaced side-by-side and a plurality of the roof bows are spaced side-by-side; the roof carling and the roof camber beam are perpendicular and are welded in a crossed mode, and the bearing frame is formed.
8. A compartment, characterized by comprising a compartment body and a roof structure according to any one of claims 1 to 7;
along the length direction of the carriage, two ends of the carriage body are provided with end top bent beams, and the end top bent beams are positioned at the top of an end wall of the carriage;
the bearing frame is connected with the end top camber beam, and the roof plate is lapped on the end top camber beam.
9. A compartment as claimed in claim 8, characterised in that there is a gap between the roof rail and the end roof bow;
and a connecting plate is arranged between the roof longitudinal beam and the end top camber beam, and the roof longitudinal beam is connected with the end top camber beam through the connecting plate.
10. The compartment of claim 8, wherein a load-bearing side beam is provided on a side wall of the compartment;
the load side rail is connected to a roof side rail of the roof structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023017786.8U CN214189636U (en) | 2020-12-15 | 2020-12-15 | Roof structure and carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023017786.8U CN214189636U (en) | 2020-12-15 | 2020-12-15 | Roof structure and carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214189636U true CN214189636U (en) | 2021-09-14 |
Family
ID=77652778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023017786.8U Active CN214189636U (en) | 2020-12-15 | 2020-12-15 | Roof structure and carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214189636U (en) |
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2020
- 2020-12-15 CN CN202023017786.8U patent/CN214189636U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220316 Address after: 063035 No. 3, front road, Fengrun District, Hebei, Tangshan City Patentee after: CRRC TANGSHAN Co.,Ltd. Patentee after: China National Railway Group Co., Ltd Address before: 063035 No. 3, front road, Fengrun District, Hebei, Tangshan City Patentee before: CRRC TANGSHAN Co.,Ltd. |
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| TR01 | Transfer of patent right |