CN211731357U - Shield door threshold for subway train - Google Patents
Shield door threshold for subway train Download PDFInfo
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- CN211731357U CN211731357U CN202020220181.XU CN202020220181U CN211731357U CN 211731357 U CN211731357 U CN 211731357U CN 202020220181 U CN202020220181 U CN 202020220181U CN 211731357 U CN211731357 U CN 211731357U
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Abstract
The utility model relates to a shield door threshold for subway train, including rail line district panel, platform district panel and slide rail recess, rail line district panel includes near track edge and far track edge, and platform district panel includes near platform edge and far station platform edge, and the slide rail recess is located between far track edge and the far station platform edge, and far track edge and far station platform edge are connected respectively to slide rail recess both sides, and subway shield door installs on the slide rail recess, all is equipped with insulating wearing layer on rail line district panel and the platform district panel, and insulating wearing layer's both sides are equipped with the structure of borduring. Compared with the prior art, the utility model discloses can solve the problem that the door sill metal edge exposes after the wearing and tearing are glued to the structure in traditional insulation method, thoroughly avoid because step voltage produces the danger of electric spark.
Description
Technical Field
The utility model belongs to the technical field of the rail transit technique and specifically relates to a shield door threshold for subway train is related to.
Background
The doorsill of a platform screen door of a station of urban rail transit such as subway, light rail and the like has potential difference with a subway train, so that a step voltage is easily formed on the doorsill, and electric sparks are generated between the screen door and the doorsill to cause potential safety hazards to passengers getting on or off the train. Such safety problems are not an example in subway operation, and many subway owners have taken some simple insulation measures for the door body of the shield door of the station.
The insulation method of the shielding door commonly used at present is to paste an insulation material, but the method has the following problems: 1. the problems of easy scratching, no wear resistance, no dirt resistance, difficult cleaning and the like generally exist in the conventional insulating material; 2. the existing pasting process is only to carry out pasting on the upper surface of the threshold, and then the side plate of the insulating material is sealed by the structural adhesive, but the structural adhesive still easily causes the exposure of the metal structure (especially the edges and corners) at the edge of the threshold if the structural adhesive is not repaired in time after being worn, and the risk of generating electric sparks still exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shield door threshold for subway train in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a shield door threshold for subway train, includes rail line district panel, platform district panel and slide rail groove, rail line district panel include near track edge and far track edge, platform district panel include near platform edge and far platform edge, the slide rail groove is located between far track edge and the far platform edge, slide rail groove both sides connect far track edge and far platform edge respectively, subway shield door installs on the slide rail groove, a serial communication port, rail line district panel and platform district panel on all be equipped with insulating wearing layer, insulating wearing layer's both sides are equipped with the structure of borduring, the structure of borduring on the panel of rail line district distributes and wraps up near track edge and far track edge, the structure of borduring on the panel of rail line district wraps up near platform edge and far platform edge.
Furthermore, an inner groove is formed in the joint of the platform ground and the platform area panel, and a binding structure close to the edge of the platform is embedded into the inner groove.
Furthermore, a structural adhesive layer is arranged at the joint of the edge covering structure and the inner groove.
Furthermore, the insulating wear-resistant layer is bonded on the rail area panel and the platform area panel.
Furthermore, the insulating wear-resistant layer is a single-layer polymer coating and is directly adhered to the surfaces of the rail area panel and the platform area panel.
Further, the thickness of the insulating wear-resistant layer is not more than 3 mm.
Furthermore, the insulating wear-resistant layer comprises an insulating layer and a wear-resistant layer, the insulating layer covers the rail running area panel and the platform area panel, and the wear-resistant layer covers the insulating layer.
Furthermore, the rail running area panel, the standing platform area panel and the sliding rail groove are integrally connected metal pieces.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a set up the insulating wearing layer that has the structure of borduring on rail line district panel and station district panel, can solve the problem that the structure glued wearing and tearing back threshold metal edge exposes in traditional insulation method, thoroughly avoid because step voltage produces the danger of electric spark.
2. An inner groove is formed at the joint of the platform ground and the platform area panel, and a wrapping structure close to the edge of the platform is embedded into the inner groove, so that the problem of metal exposure close to the edge of the platform can be protected to the maximum extent; meanwhile, the outer layer can still be sealed by structural adhesive, so that the safety is further improved.
3. The insulating wear-resistant layer adopts a single-layer polymer coating and is directly adhered to the surfaces of the rail row area panel and the platform area panel. The polymer coating has high mechanical strength and chemical stability besides high insulation resistance; scratch resistance, friction and abrasion resistance, strong adhesive force, water resistance, aging resistance, fire resistance and chemical corrosion resistance; the problems of easy scratching, poor wear resistance and the like of the traditional insulating layer can be effectively solved.
4. The insulating wearing layer can also adopt the structure that the insulating layer increases the wearing layer outward, can further avoid the transition loss of insulating layer through the setting of wearing layer, simplifies and reduces operation maintenance work load etc. ensure threshold insulating properties and operation efficiency and safety, no longer need frequently coat the structure and glue and cover exposed metal.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. rail line district panel, 11, nearly track edge, 12, far track edge, 2, platform district panel, 21, nearly platform edge, 22, far platform edge, 3, slide rail recess, 4, insulating wearing layer, 41, the structure of borduring, 5, platform ground, 51, inner groovy, 6, structure glue film, 7, subway shield door.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The embodiment provides a shield door threshold for subway trains, which is an integrated metal part and comprises a panel 1 in a rail area, a panel 2 in a platform area and a sliding rail groove 3. The rail panel 1 comprises a near rail edge 11 and a far rail edge 12, the platform panel 2 comprises a near platform edge 21 and a far platform edge 22, the side of the near rail edge 11 is a train rail, and the side of the near platform edge 21 is a platform ground 5. The shield door track is positioned between the far track edge 12 and the far station edge 22, and the far track edge 12 and the far station edge 22 are respectively connected with the two sides of the slide rail groove 3. The slide rail groove 3 is positioned between the far rail edge 12 and the far station edge 22, the far rail edge 12 and the far station edge 22 are respectively connected with two sides of the slide rail groove 3, and the iron shielding door 7 is installed on the slide rail groove 3.
Insulating wear-resistant layers 4 are arranged on the rail running area panel 1 and the station area panel 2, and edge covering structures 41 are arranged on two sides of the insulating wear-resistant layers 4. The edge covering structures 41 on the panel 1 of the rail area are distributed and wrapped on the near rail edge 11 and the far rail edge 12, and the edge covering structures 41 on the panel 2 of the station area are distributed and wrapped on the near station edge 21 and the far station edge 22. An inner groove 51 is provided at the junction of the platform floor 5 and the platform area panel 2, and the edge-covering structure 41 near the platform edge 21 is fitted into the inner groove 51. And a structural adhesive layer 6 is arranged at the joint of the edge covering structure 41 and the inner groove 51.
The insulating wear-resistant layer 4 is a single-layer polymer coating and is directly adhered to the surfaces of the rail area panel 1 and the platform area panel 2. The thickness of the insulating wear-resistant layer 4 is not more than 3 mm. The polymer coating adopted in the embodiment is a two-component polymer coating, comprises A-component isocyanate and B-component resin, and is preset in an environment of 21-32 ℃ before use. The coating adopts professional heating and pressurizing spraying equipment, A, B components are respectively heated to 60-71 ℃, and sufficient pressure is provided to enable the materials to reach the most appropriate mixing degree and the best polymerization effect. The polymer coating can be permanently bonded to the surface of the metal part of the threshold. The high-insulation resistance of the high-insulation steel plate exceeds 10 MOmega, and the performance of the insulation requirement of the threshold is met; simultaneously has high mechanical performance indexes: the adhesive force is not less than 8MPa, the elongation is not less than 150%, the bending strength is not less than 15MPa, the tensile length is not less than 20MPa, and the tearing strength is not less than 70N/mm.
The insulating wear-resistant layer 4 is coated on the surface of the doorsill by adopting a mechanical or manual spraying method and working procedures. The spraying method is that the insulation wear-resistant layer 4 is directly processed after the last process of manufacturing the shield door threshold, or is processed on site on the shield door of the platform of the existing station, and the thickness difference of the insulation wear-resistant layer is not more than 0.2 mm.
Compared with the prior art, the embodiment perfectly solves the problem of metal exposure of the edge (especially the edge angle) of the threshold panel, the used insulating wear-resistant layer 4 can uniformly cover and firmly adhere to the edge angle part of the threshold, so that the threshold coated with the insulating material and the edge angle are integrated, the insulation property and the wear resistance are high, the service life is long, and the construction is efficient and simple.
In another embodiment, the overall structure of the shielding door sill is substantially the same as in the previous embodiment, except that: the insulating wear-resistant layer comprises an insulating layer and a wear-resistant layer. The insulating layer adopts a common insulating layer to directly cover and glue the panel of the track area and the panel of the station area. The wear-resistant layer is sprayed on the insulating layer by using a commercially available wear-resistant coating. The transition loss of insulating layer can be avoided through the setting of wearing layer to this embodiment, simplifies and reduces operation maintenance work load etc. and ensures threshold insulating properties and operation efficiency and safety.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. The utility model provides a shield door threshold for subway train, includes rail way district panel (1), platform district panel (2) and slide rail groove (3), rail way district panel (1) including nearly track edge (11) and far away track edge (12), platform district panel (2) including nearly platform edge (21) and far away platform edge (22), slide rail groove (3) are located between far away track edge (12) and far away platform edge (22), slide rail groove (3) both sides connect far away track edge (12) and far away platform edge (22) respectively, install on slide rail groove (3) subway shield door (7), its characterized in that, rail way district panel (1) and platform district panel (2) on all be equipped with insulating wearing layer (4), the both sides of insulating layer (4) are equipped with structure of borduring (41), structure of borduring on rail way district panel (1) distribute parcel near track edge (11) and far away track edge (12) and track edge (12) of far away track edge (12) ) And edge covering structures (41) on the platform area panel (2) are distributed and wrapped on the edge (21) of the near platform and the edge (22) of the far platform.
2. The screen door sill for a subway train according to claim 1, characterized in that an inner groove (51) is provided at the junction of the platform floor (5) and the platform area panel (2), and the hemming structure (41) near the platform edge (21) is fitted into the inner groove (51).
3. The screen door sill for subway trains as claimed in claim 2, wherein a structural adhesive layer (6) is provided at the joint of said edge-wrapped structure (41) and said inner groove (51).
4. The platform door sill for a subway train according to claim 1, characterized in that said insulating and wear-resistant layer (4) is bonded to the panel (1) of the rail section and to the panel (2) of the platform section.
5. The platform door sill for a subway train as claimed in claim 1, wherein said insulating and wear-resistant layer (4) is a single-layer polymer coating directly adhered to the surface of the panel (1) of the rail area and the panel (2) of the platform area.
6. The screen door sill for subway trains according to claim 1, characterized in that the thickness of said insulating and wear-resistant layer (4) is not more than 3 mm.
7. The platform door sill for a subway train according to claim 1, characterized in that said insulating wear layer (4) comprises an insulating layer and a wear layer, said insulating layer covers the panel (1) in the rail area and the panel (2) in the platform area, and said wear layer covers the insulating layer.
8. The platform screen door sill for a subway train according to claim 1, characterized in that said panel of the rail area (1), the panel of the platform area (2) and the groove of the sliding rail (3) are made of a metal piece integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220181.XU CN211731357U (en) | 2020-02-27 | 2020-02-27 | Shield door threshold for subway train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220181.XU CN211731357U (en) | 2020-02-27 | 2020-02-27 | Shield door threshold for subway train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211731357U true CN211731357U (en) | 2020-10-23 |
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ID=72877053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020220181.XU Active CN211731357U (en) | 2020-02-27 | 2020-02-27 | Shield door threshold for subway train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211731357U (en) |
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2020
- 2020-02-27 CN CN202020220181.XU patent/CN211731357U/en active Active
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