CN211893215U - Cold-bending side top plate for railway vehicle - Google Patents
Cold-bending side top plate for railway vehicle Download PDFInfo
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- CN211893215U CN211893215U CN202020392688.3U CN202020392688U CN211893215U CN 211893215 U CN211893215 U CN 211893215U CN 202020392688 U CN202020392688 U CN 202020392688U CN 211893215 U CN211893215 U CN 211893215U
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Abstract
The utility model discloses a cold-bending side roof for a railway vehicle, which belongs to the field of railway vehicle body components, in particular to a side roof for a railway vehicle; comprises a side top plate, an arc edge I, an arc edge II, a straight edge, an arc edge, a reinforced edge and a reinforced end; through the design, the utility model discloses an above-mentioned design provides a railway vehicle is with clod wash side roof, satisfies the side roof that Tianjin subway No. 4 lines operational environment and operating condition need.
Description
Technical Field
The utility model belongs to rail vehicle automobile body component field especially involves a rail vehicle is with side roof.
Background
Rail transit is a fast and relatively low-cost traffic mode all the time, and along with the development of science and technology, the components of rail vehicles are changed continuously, and the performance requirements are gradually improved.
The defects of foaming, scabbing, folding, slag inclusion, section layering and the like cannot exist on the surface of a rail vehicle part due to actual needs, meanwhile, scratches and indentations cannot be formed, and stains cannot exist on the surface to keep consistent color and luster; the edge of the part cannot have the defects of flash, burr and the like, otherwise, the very serious potential safety hazard can be generated in the work process. Meanwhile, as the parts of the rail vehicle need to work for a long time, the surface needs to have certain capacity of resisting acid-alkali corrosion. The cold-bent side roof panel for a railway vehicle is one of the components of a railway vehicle, and is also an important component of a railway vehicle, and differs in yield strength, tensile strength, and elongation after fracture.
Although the application area of the rail transit is wide, the cold-bending side roof for the rail vehicle needs to be correspondingly redesigned aiming at different geographic environment characteristics, so that the side roof of the vehicle used by the Tianjin subway No. 4 line needs to be adjusted and redesigned when the cold-bending side roof works effectively in a required area for a long time.
Therefore, there is a need in the art for a new solution to solve these problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a clod wash side roof for rail vehicle, the side roof that satisfies Tianjin subway 4 # s line operational environment and operating condition needs.
A cold-bending side roof panel for a railway vehicle is characterized in that: comprises a side top plate, an arc edge I, an arc edge II, a straight edge, an arc edge and a reinforcing edge;
the side top plate is a cold-formed steel plate, and an arc edge I, an arc edge II, a straight edge, an arc edge and a reinforcing edge are sequentially formed on the cold-formed steel plate through cold-forming rolling processing of a cold-forming unit;
the arc edge I is tangent to the arc edge at the joint of the arc edge II, wherein the arc radius of the arc edge I is 500 mm;
one end of the arc edge II is tangent to the straight edge, wherein the arc radius of the arc edge II is 45 mm;
the straight edge is connected with the reinforcing edge through an arc edge, and the arc radius of the arc edge is 12 mm;
the included angle between the extension line of the straight edge and the extension line of the reinforcing edge is 4.3 degrees;
wherein the thickness of the end connected with the circular arc edge of the reinforcing edge is 1.5mm, and the thickness of the reinforcing end at the other end is 3 mm.
And the surface of the side top plate is provided with a scratch-proof protective film.
The thicknesses of the arc edge I, the arc edge II, the straight edge and the arc edge are all 1.5 mm.
The width of the side top plate was 19050 mm.
The left-right direction twist of the side top plate is not more than 10 mm.
The full length of the side top plate is twisted by no more than 10 mm.
Through the above design scheme, the utility model discloses following beneficial effect can be brought: through the design, the cold-bending side top plate for the rail vehicle is provided, and the side top plate meeting the requirements of the working environment and the working state of the Tianjin subway No. 4 line is provided.
Drawings
The invention is further described with reference to the following drawings and detailed description:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1-side top plate, 101-arc edge I, 102-arc edge II, 103-straight edge, 104-arc edge, 105-reinforced edge and 1051-reinforced end.
Detailed Description
As shown in fig. 1-2, a cold-formed side roof panel for a railway vehicle is characterized in that: comprises a side top plate 1, an arc edge I101, an arc edge II102, a straight edge 103, an arc edge 104 and a reinforcing edge 105;
the side top plate 1 is a cold-bending steel plate, and an arc edge I101, an arc edge II102, a straight edge 103, an arc edge 104 and a reinforcing edge 105 are sequentially formed on the cold-bending steel plate through cold-bending rolling processing of a cold-bending unit;
the arc edge I101 is tangent to the arc edge at the joint of the arc edge II102, wherein the arc radius of the arc edge I101 is 500 mm;
one end of the arc edge II102 is tangent to the straight edge 103, wherein the arc radius of the arc edge II102 is 45 mm;
the straight edge 103 is connected with a reinforcing edge 105 through an arc edge 104, and the arc radius of the arc edge 104 is 12 mm;
the angle between the extension of the straight edge 103 and the extension of the reinforcing edge 105 is 4.3 °;
the thickness that strengthens limit 105 and the one end of being connected of arc limit 104 wherein is 1.5mm, and the thickness that the other end strengthened end 1051 is 3mm, and the thickness of strengthening end 1051 is bigger, plays the effect of strengthening the border, is fit for rail vehicle workplace's operating mode demand.
And a scratch-proof protective film is arranged on the surface of the side top plate 1.
The thicknesses of the arc edge I101, the arc edge II102, the straight edge 103 and the arc edge 104 are all 1.5 mm.
The width of the side top plate 1 was 19050 mm.
The distortion of the side top plate 1 in the left-right direction is not more than 10 mm.
The full length of the side top plate 1 is twisted by no more than 10 mm.
The utility model discloses clod wash side roof each item performance is excellent for rail vehicle, handles the diolame surface after the manufacturing and does not have the blistering, scab, folding, presss from both sides sediment and section layering scheduling problem, and does not have defects such as overlap and burr after handling, accords with rail vehicle's technical requirement, can satisfy the requirement under the south bridge engineering operational environment of Tianjin 4 line.
Claims (6)
1. A cold-bending side roof panel for a railway vehicle is characterized in that: comprises a side top plate (1), an arc edge I (101), an arc edge II (102), a straight edge (103), an arc edge (104) and a reinforcing edge (105);
the side top plate (1) is a cold-bending steel plate, and an arc edge I (101), an arc edge II (102), a straight edge (103), an arc edge (104) and a reinforcing edge (105) are sequentially formed on the cold-bending steel plate through cold-bending rolling processing of a cold-bending unit;
the arc edge I (101) is tangent to the arc edge at the joint of the arc edge II (102), wherein the arc radius of the arc edge I (101) is 500 mm;
one end of the arc edge II (102) is tangent to the straight edge (103), wherein the arc radius of the arc edge II (102) is 45 mm;
the straight edge (103) is connected with the reinforcing edge (105) through an arc edge (104), and the arc radius of the arc edge (104) is 12 mm;
the included angle between the extension line of the straight edge (103) and the extension line of the reinforcing edge (105) is 4.3 degrees;
wherein the thickness of the end of the reinforced edge (105) connected with the arc edge (104) is 1.5mm, and the thickness of the reinforced end (1051) at the other end is 3 mm.
2. The cold-formed side roof panel for a railway vehicle as claimed in claim 1, wherein: and a scratch-proof protective film is arranged on the surface of the side top plate (1).
3. The cold-formed side roof panel for a railway vehicle as claimed in claim 1, wherein: the thicknesses of the arc edge I (101), the arc edge II (102), the straight edge (103) and the arc edge (104) are all 1.5 mm.
4. The cold-formed side roof panel for a railway vehicle as claimed in claim 1, wherein: the width of the side top plate (1) is 19050 mm.
5. The cold-formed side roof panel for a railway vehicle as claimed in claim 1, wherein: the left-right direction twist of the side top plate (1) is not more than 10 mm.
6. The cold-formed side roof panel for a railway vehicle as claimed in claim 1, wherein: the full length of the side top plate (1) is twisted by no more than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020392688.3U CN211893215U (en) | 2020-03-25 | 2020-03-25 | Cold-bending side top plate for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020392688.3U CN211893215U (en) | 2020-03-25 | 2020-03-25 | Cold-bending side top plate for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211893215U true CN211893215U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020392688.3U Active CN211893215U (en) | 2020-03-25 | 2020-03-25 | Cold-bending side top plate for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211893215U (en) |
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2020
- 2020-03-25 CN CN202020392688.3U patent/CN211893215U/en active Active
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