CN110641497A - Top cover sealing device for railway wagon - Google Patents
Top cover sealing device for railway wagon Download PDFInfo
- Publication number
- CN110641497A CN110641497A CN201910889659.XA CN201910889659A CN110641497A CN 110641497 A CN110641497 A CN 110641497A CN 201910889659 A CN201910889659 A CN 201910889659A CN 110641497 A CN110641497 A CN 110641497A
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- China
- Prior art keywords
- sealing strip
- strip
- sealing
- central
- top cover
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 154
- 230000001788 irregular Effects 0.000 claims abstract description 12
- 239000000565 sealant Substances 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D39/00—Wagon or like covers; Tarpaulins; Movable or foldable roofs
- B61D39/008—Sealing means
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seal Device For Vehicle (AREA)
Abstract
The invention discloses a top cover sealing device for a railway wagon, which relates to the technical field of railway wagons and comprises the following components: the bottom sealing structure comprises a bottom sealing strip arranged below the top cover side beam, the upper side of the bottom sealing strip is arranged to be a plane, the lower side of the bottom sealing strip is arranged to be a hollow circular arc structure, and rivet holes are formed in the bottom sealing strip and the top cover side beam; the central sealing structure comprises a central sealing strip arranged on one side of the side beam of the top cover, an L-shaped bent edge is arranged at the upper end of the central sealing strip, the middle part of the central sealing strip is an irregular semi-circular structure with a hollow middle part, a convex block is arranged on the upper side of the semi-circular structure, and a groove is arranged between one side of the convex block and the L-shaped bent edge; the sealing strip is plastically deformed to achieve the sealing effect by the extrusion force after the two top covers are closed and the extrusion force between the two top covers and the upper side beam of the wagon body, so that the sealing problem of the long and large top covers is solved.
Description
Technical Field
The invention belongs to the technical field of railway wagons, and particularly relates to a top cover sealing device for a railway wagon.
Background
The vast width of our country is that railway freight occupies a great proportion in national freight transportation, the railway freight mainly realizes the transportation of goods through railway freight cars, and the railway freight cars have open wagons, hopper wagons, railway freight cars with top covers and the like according to different types of the transported goods.
The existing railway wagon movable top cover with the top cover is small in opening, the sealing effect can be achieved by using rigid sealing generally, the top cover sealing of the railway wagon with the long and large top cover is always difficult, and after steel sealing is adopted, due to the fact that welding deformation has large influence on the structure of the top cover, the expected sealing effect is difficult to achieve.
Disclosure of Invention
The invention aims to provide a top cover sealing device for a railway wagon, which aims to overcome the defects in the prior art, and solves the sealing problem of a long and large top cover by plastically deforming a sealing strip through the extrusion force after the two top covers are closed and the extrusion force between the two top covers and the upper side beam of a wagon body.
In order to achieve the above object, the present invention provides a head cover sealing apparatus for a railway freight car, the apparatus comprising:
the bottom sealing structure comprises a bottom sealing strip arranged below the top cover side beam, the upper side of the bottom sealing strip is arranged to be a plane, the lower side of the bottom sealing strip is arranged to be a hollow circular arc structure, and rivet holes are formed in the bottom sealing strip and the top cover side beam;
the central sealing structure comprises a central sealing strip arranged on one side of the top cover side beam, an L-shaped bent edge is arranged at the upper end of the central sealing strip, the middle of the central sealing strip is an irregular semi-circular structure with a hollow middle part, a convex block is arranged on the upper side of the semi-circular structure, and a groove is formed between one side of the convex block and the L-shaped bent edge.
Optionally, a sealing glue is coated on the plane of the upper side of the bottom sealing strip.
Optionally, the height of the hollow arc structure on the lower side of the bottom sealing strip is greater than the distance between the roof side rail and the vehicle body upper side rail.
Optionally, a blind rivet is arranged in the rivet hole.
Optionally, a blind rivet gasket is arranged between the blind rivet and the bottom sealing strip.
Optionally, both ends all are provided with the screw hole about the central sealing strip, the central sealing strip passes through the fastener to be fixed in one side of top cap curb girder.
Optionally, a sealing strip pressing strip is arranged between the fastener and the central sealing strip.
Optionally, an upper surface of the bump is higher than an upper surface of the top cover.
Optionally, an arc is arranged on one side of the bump, and the arc is matched with a top cover fillet.
Optionally, the height of the irregular semicircular arc structure in the middle of the central sealing strip is greater than the gap between the two top covers after the two top covers are closed.
The invention provides a top cover sealing device for a railway wagon, which has the beneficial effects that: the device has simple and reliable structure, simple and easy assembling process, no influence on the original top cover structure after assembling, simple replacement after the sealing function is failed due to aging or damage of the sealing strip because the central sealing structure and the top cover are movably connected, thereby improving the sealing effect of the top cover, effectively controlling the cost input and improving the comprehensive benefit.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 is a schematic view showing a structure of a head cover sealing apparatus for a railway wagon according to an embodiment of the present invention.
Fig. 2 is a schematic view showing a bottom sealing structure of a head cover sealing apparatus for a railway wagon according to an embodiment of the present invention.
Fig. 3 is a schematic view showing a bottom weather strip of a head sealing apparatus for railway freight cars according to an embodiment of the present invention.
Fig. 4 shows a schematic view of a central sealing structure of a head cover sealing apparatus for a railway wagon according to an embodiment of the present invention.
Description of reference numerals:
1. a bottom sealing structure; 2. a central sealing structure; 3. a bottom seal strip; 4. rivet holes; 5. self-plugging rivets; 6. a blind rivet gasket; 7. a central sealing strip; 8. l-shaped edge bending; 9. a bump; 10. a trench; 11. a fastener; 12. and (5) pressing strips by using the sealing strips.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a top cover sealing device for a railway wagon, which comprises:
the bottom sealing structure comprises a bottom sealing strip arranged below the top cover side beam, the upper side of the bottom sealing strip is arranged to be a plane, the lower side of the bottom sealing strip is arranged to be a hollow circular arc structure, and rivet holes are formed in the bottom sealing strip and the top cover side beam;
the upper side of the bottom sealing strip is arranged to be a plane, so that a sufficient contact area can be provided for the attachment and fixation between the bottom sealing strip and the lower surface of the side beam of the top cover, the installation is easy, the resilience of the bottom sealing strip after compression and recovery can be improved by the hollow arc structure on the lower side of the bottom sealing strip, and the sealing performance is improved;
the central sealing structure comprises a central sealing strip arranged on one side of the top cover side beam, an L-shaped bent edge is arranged at the upper end of the central sealing strip, the middle of the central sealing strip is an irregular semi-circular structure with a hollow middle part, a convex block is arranged on the upper side of the semi-circular structure, and a groove is formed between one side of the convex block and the L-shaped bent edge.
The arrangement of the L-shaped bent edge can enable the central sealing strip to be better attached to the upper surface of the top cover, and the sealing performance of the upper side of the top cover is improved; the hollow design of the irregular semi-circular arc structure can improve the rebound resilience of the compressed central sealing strip when the central sealing strip is recovered, and improve the sealing performance; the setting of lug and slot can be so that central seal structure avoids the rainwater to be detained in the gap between central sealing strip and one side top cap after two top caps close, leads away the rainwater from the ditch inslot, improves sealed effect.
Optionally, a sealing glue is coated on the plane of the upper side of the bottom sealing strip.
The bottom sealing strip is fixed below the side beam of the top cover through the sealing glue, and the installation is simple and convenient.
Optionally, the height of the hollow arc structure on the lower side of the bottom sealing strip is greater than the distance between the roof side rail and the vehicle body upper side rail.
The bottom sealing strip has larger compression deformation amount through the size difference between the height of the hollow arc structure at the lower side of the bottom sealing strip and the distance between the top cover side beam and the vehicle body upper side beam, and the expected sealing effect can still be achieved after the welding deformation of the top cover side beam.
Optionally, a blind rivet is arranged in the rivet hole.
Optionally, a blind rivet gasket is arranged between the blind rivet and the bottom sealing strip.
When the sealant is used for fixing the bottom sealing strip, the bottom sealing strip is further fixed by the self-plugging rivet and the self-plugging rivet gasket, and the sealing strip is prevented from falling off after the sealant is aged.
Optionally, both ends all are provided with the screw hole about the central sealing strip, the central sealing strip passes through the fastener to be fixed in one side of top cap curb girder.
Optionally, a sealing strip pressing strip is arranged between the fastener and the central sealing strip.
The central sealing strip is fixed on one side of the side beam of the top cover through the sealing strip pressing strip and the fastening piece, so that the central sealing strip is convenient to install and disassemble, and the central sealing strip with poor sealing effect caused by aging or damage is convenient to replace.
Optionally, an upper surface of the bump is higher than an upper surface of the top cover.
Optionally, an arc is arranged on one side of the bump, and the arc is matched with a top cover fillet.
Through the setting of the lug that is higher than the top cap upper surface, avoid the rainwater to be detained in sealing strip department, and the circular arc of lug one side and top cap fillet looks adaptation can make central sealing strip and top cap effectively laminate, improves sealed effect.
Optionally, the height of the irregular semicircular arc structure in the middle of the central sealing strip is greater than the gap between the two top covers after the two top covers are closed.
The height of the irregular semicircular structure of the middle part of the central sealing strip is larger than the gap between the two top covers after the two top covers are closed, so that the compression deformation of the central sealing strip is larger, and the sealing effect is improved through the resilience of the compressed central sealing strip.
Examples
As shown in fig. 1 to 4, the present invention provides a head cover sealing apparatus for a railway wagon, the apparatus comprising:
the bottom sealing structure 1 comprises a bottom sealing strip 3 arranged below a top cover side beam, the upper side of the bottom sealing strip 3 is arranged to be a plane, the lower side of the bottom sealing strip 3 is arranged to be a hollow circular arc structure, and rivet holes 4 are formed in the bottom sealing strip and the top cover side beam 3;
In this embodiment, the plane of the upper side of the bottom sealing strip 3 is coated with a sealing glue.
In the present embodiment, the height of the hollow arc structure on the lower side of the bottom weather strip 3 is greater than the distance between the roof side rail and the body side rail.
In the present embodiment, a blind rivet 5 is provided in the rivet hole 4.
In this embodiment, a blind rivet gasket 6 is provided between the blind rivet 5 and the bottom sealing strip 3.
In this embodiment, the upper and lower ends of the center seal strip 7 are provided with screw holes, and the center seal strip 7 is fixed to one side of the roof side member by a fastener 11.
In this embodiment, a bead strip 12 is provided between the fastener 11 and the center bead 7.
In this embodiment, the upper surface of the bump 9 is higher than the upper surface of the top cover.
In this embodiment, a circular arc is arranged on one side of the bump 9, and the circular arc is matched with the top cover fillet.
In this embodiment, the height of the irregular semicircular arc structure in the middle of the central sealing strip 7 is greater than the gap between the two top covers after the two top covers are closed.
In summary, when the top cover sealing device for the railway wagon is used, the bottom sealing strip 3 is fixed on the lower surface of the side beam of the top cover through the sealant, the self-plugging rivet gasket 6 is placed on the lower side of the bottom sealing strip 3, and the bottom sealing strip 3 is fixed again through the self-plugging rivet 5, so that the bottom sealing strip 3 is prevented from falling off due to aging of the sealant. The central sealing strip 7 is placed on one side of the side beam of the top cover, the central sealing strip 7 is fixed on the L-shaped bent edge 8 and the lower end of the central sealing strip 7 respectively through the sealing strip pressing strip 12 and the fastener 11, and the central sealing strip 7 is convenient to detach and replace. When the two top covers are closed, the lower surfaces of the side beams of the top covers extrude the bottom sealing strips 3, so that the bottom sealing strips 3 are tightly attached to the upper surfaces of the side beams on the vehicle body, the resilience of the bottom sealing strips 3 when the bottom sealing strips 3 recover after being compressed is improved through the hollow arc structure arranged at the lower sides of the bottom sealing strips 3, the contact part is effectively prevented from point or line contact, the designed compression deformation is large, and a good sealing effect can be still achieved after the side beams of the top covers deform due to welding; meanwhile, the central sealing strip 7 is extruded by the side face of the top cover beam on one side, close to each other, of the two top covers, the rebound resilience of the compressed top cover beam is improved by the aid of the middle hollow irregular semi-circular structure arranged in the middle of the central sealing strip 7, the convex block 9 is lapped on the side beam of the top cover on the other side, rainwater is guided out along the groove 10 in rainy days, flows away from the side face along the top cover, and is prevented from flowing into the vehicle body.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A head cover sealing device for a railway wagon, the device comprising:
the bottom sealing structure comprises a bottom sealing strip arranged below the top cover side beam, the upper side of the bottom sealing strip is arranged to be a plane, the lower side of the bottom sealing strip is arranged to be a hollow circular arc structure, and rivet holes are formed in the bottom sealing strip and the top cover side beam;
the central sealing structure comprises a central sealing strip arranged on one side of the top cover side beam, an L-shaped bent edge is arranged at the upper end of the central sealing strip, the middle of the central sealing strip is an irregular semi-circular structure with a hollow middle part, a convex block is arranged on the upper side of the semi-circular structure, and a groove is formed between one side of the convex block and the L-shaped bent edge.
2. A roof seal assembly for a railway wagon as claimed in claim 1, wherein the sealing compound is applied to the flat surface of the upper side of the bottom sealing strip.
3. A roof sealing device for a railway wagon as claimed in claim 1, wherein the height of the hollow circular arc structure on the lower side of the bottom weather strip is greater than the distance between the roof side rail and the body upper side rail.
4. A roof sealing device for a railway wagon as claimed in claim 1, wherein a blind rivet is provided in the rivet hole.
5. A roof sealing device for a railway wagon according to claim 4, wherein a blind rivet gasket is arranged between the blind rivet and the bottom sealing strip.
6. The head cover sealing device for a railway wagon of claim 1, wherein the center seal strip is provided with screw holes at both upper and lower ends thereof, and the center seal strip is fixed to one side of the side member of the head cover by a fastening member.
7. A roof seal arrangement according to claim 6, wherein a bead of sealant is provided between the fastener and the central sealant.
8. A head cover sealing device for a railway wagon as claimed in claim 1, wherein an upper surface of the projection is higher than an upper surface of the head cover.
9. A roof sealing device for a railway wagon as claimed in claim 8, wherein the protrusion is provided with a circular arc on one side, and the circular arc is matched with the roof fillet.
10. A roof seal assembly for a railway wagon as claimed in claim 1, wherein the height of the irregular semi-circular arc structure in the middle of the central seal strip is greater than the gap between the two roof covers when closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889659.XA CN110641497A (en) | 2019-09-20 | 2019-09-20 | Top cover sealing device for railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889659.XA CN110641497A (en) | 2019-09-20 | 2019-09-20 | Top cover sealing device for railway wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110641497A true CN110641497A (en) | 2020-01-03 |
Family
ID=69010842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910889659.XA Pending CN110641497A (en) | 2019-09-20 | 2019-09-20 | Top cover sealing device for railway wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110641497A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8821363D0 (en) * | 1987-09-12 | 1988-10-12 | Daimler Benz Ag | Method of sealing between sliding roof & rigid roof of vehicle |
| EP1125815A2 (en) * | 2000-02-14 | 2001-08-22 | Talgo-Transtech OY | Sealing arrangement for a sliding cover in a railway freight wagon |
| CN201410957Y (en) * | 2009-07-02 | 2010-02-24 | 中国北车集团大同电力机车有限责任公司 | Top cover sealing device for railroad locomotive |
| CN102923139A (en) * | 2012-08-31 | 2013-02-13 | 南车长江车辆有限公司 | Sealing strip for split open top cap of rail wagon |
| CN104176079A (en) * | 2014-08-28 | 2014-12-03 | 南车四方车辆有限公司 | Rail locomotive body and rail locomotive |
| CN106347385A (en) * | 2016-10-13 | 2017-01-25 | 中车长江车辆有限公司 | Railway hopper car |
| JP2018140648A (en) * | 2017-02-24 | 2018-09-13 | 株式会社日立製作所 | Railway vehicle comprising side opening door with air-tight seal mechanism |
| CN211107427U (en) * | 2019-09-20 | 2020-07-28 | 中车太原机车车辆有限公司 | Top cover sealing device for railway wagon |
-
2019
- 2019-09-20 CN CN201910889659.XA patent/CN110641497A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8821363D0 (en) * | 1987-09-12 | 1988-10-12 | Daimler Benz Ag | Method of sealing between sliding roof & rigid roof of vehicle |
| EP1125815A2 (en) * | 2000-02-14 | 2001-08-22 | Talgo-Transtech OY | Sealing arrangement for a sliding cover in a railway freight wagon |
| CN201410957Y (en) * | 2009-07-02 | 2010-02-24 | 中国北车集团大同电力机车有限责任公司 | Top cover sealing device for railroad locomotive |
| CN102923139A (en) * | 2012-08-31 | 2013-02-13 | 南车长江车辆有限公司 | Sealing strip for split open top cap of rail wagon |
| CN104176079A (en) * | 2014-08-28 | 2014-12-03 | 南车四方车辆有限公司 | Rail locomotive body and rail locomotive |
| CN106347385A (en) * | 2016-10-13 | 2017-01-25 | 中车长江车辆有限公司 | Railway hopper car |
| JP2018140648A (en) * | 2017-02-24 | 2018-09-13 | 株式会社日立製作所 | Railway vehicle comprising side opening door with air-tight seal mechanism |
| CN211107427U (en) * | 2019-09-20 | 2020-07-28 | 中车太原机车车辆有限公司 | Top cover sealing device for railway wagon |
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