CN109080651B - Side door threshold assembly of railway vehicle and railway vehicle - Google Patents
Side door threshold assembly of railway vehicle and railway vehicle Download PDFInfo
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- CN109080651B CN109080651B CN201810990999.7A CN201810990999A CN109080651B CN 109080651 B CN109080651 B CN 109080651B CN 201810990999 A CN201810990999 A CN 201810990999A CN 109080651 B CN109080651 B CN 109080651B
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- side door
- threshold
- plate
- cover plate
- rail vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D19/00—Door arrangements specially adapted for rail vehicles
- B61D19/02—Door arrangements specially adapted for rail vehicles for carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0036—Means for heating only
- B61D27/0045—Electric heating
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- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides a side door threshold assembly of a railway vehicle and the railway vehicle. The side door threshold subassembly includes: the door sill cover plate is positioned on the outer side of a side door of the rail vehicle, and a first heating part is arranged at the bottom of the door sill cover plate; the side door sliding rails are arranged on two sides of the threshold cover plate along the length direction of the rail vehicle, the side doors of the rail vehicle are opened towards two sides or closed from two sides to the middle along the side door sliding rails, and a second heating part is arranged at the lower parts of the side door sliding rails. By applying the technical scheme of the invention, the problem that the side door threshold is easy to freeze when the rail vehicle runs in a cold environment in the prior art can be solved.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a side door threshold assembly of a railway vehicle and the railway vehicle.
Background
When the rail vehicle runs in winter or in cold areas, rain, snow or condensed water can be accumulated at the doorsill position of the side door of the rail vehicle, and the phenomenon of freezing of rain, snow or condensed water occurs. When freezing occurs on the side door threshold of the railway vehicle, the vehicle door can be opened or closed normally, the normal getting on or off and riding comfort of passengers are affected, and the vehicle can not run normally.
Disclosure of Invention
The invention mainly aims to provide a side door threshold assembly of a railway vehicle and the railway vehicle, and aims to solve the problem that the side door threshold is easy to freeze when the railway vehicle runs in a cold environment in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a side door sill assembly for a railway vehicle, the side door sill assembly comprising: the door sill cover plate is positioned on the outer side of a side door of the rail vehicle, and a first heating part is arranged at the bottom of the door sill cover plate; the side door sliding rails are arranged on two sides of the threshold cover plate along the length direction of the rail vehicle, the side doors of the rail vehicle are opened towards two sides or closed from two sides to the middle along the side door sliding rails, and a second heating part is arranged at the lower parts of the side door sliding rails.
Further, the side door sill assembly further includes: and the drainage grooves are arranged on two sides of the threshold plate along the length direction of the rail vehicle, the side door sliding rails are positioned in the drainage grooves, and the drainage grooves can drain accumulated water on the threshold plate and the side door sliding rails.
Further, the first heating portion is an electric heating rod provided at the bottom of the rocker cover.
Further, the second heating portion is an electric heating rod provided between the drain tank and the side door slide rail.
Further, the side door sill assembly further includes: the threshold bottom plate is positioned on the inner side of the threshold cover plate and is in lap joint with the threshold cover plate to form a threshold of the side door; and the second temperature sensor is arranged at the bottom of the threshold bottom plate and used for detecting the temperature of the threshold.
Further, the threshold bottom plate comprises a first flat plate, a vertical plate and a second flat plate, the second flat plate is in lap joint with the threshold cover plate, and the first heating part is arranged between the second flat plate and the threshold cover plate.
Furthermore, the side door threshold assembly further comprises a first temperature sensor, and the first temperature sensor is connected with the side door sliding track to detect the temperature of the side door sliding track.
Further, the side door sill assembly further includes a thermostat for controlling a heating temperature of the first heating portion and/or the second heating portion.
Further, the thermostat is provided at the bottom of the threshold cover.
Furthermore, the side door threshold assembly further comprises a fixing piece, mounting holes are correspondingly formed in the second flat plate and the threshold cover plate, and the fixing piece penetrates through the mounting holes to install the threshold on a vehicle body framework of the rail vehicle.
According to another aspect of the invention, a rail vehicle is provided, which includes a vehicle body frame, a side door disposed on the vehicle body frame, and a side door threshold assembly, wherein the side door threshold assembly is the side door threshold assembly.
By applying the technical scheme of the invention, the first heating part and the second heating part are arranged, so that the threshold cover plate and the side door sliding track can be heated, accumulated snow and ice blocks on the threshold cover plate can be melted, the bottom temperature of the side door is ensured, the phenomenon of icing in the side door threshold cover plate and the side door sliding track is avoided, the side door of the rail vehicle can be normally opened and closed, the riding comfort of passengers is improved, and the normal operation of the rail vehicle is ensured. Furthermore, the arrangement of the first heating part and the second heating part can keep the threshold cover plate and the side door sliding rail at a higher temperature (for example, more than 10 degrees), thereby avoiding the occurrence of icing phenomenon.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic structural view of an embodiment of a side door sill assembly for a rail vehicle according to the invention (in which the sill cover is not fitted to the sill);
FIG. 2 shows a top view of the side door sill assembly of FIG. 1 (with the sill cover assembled to the sill);
FIG. 3 illustrates an A-A view of the side door sill assembly of FIG. 2;
FIG. 4 illustrates a perspective view of the side door sill assembly of FIG. 2;
FIG. 5 is a perspective view of the side door sill assembly of FIG. 1 showing the mating arrangement of the sill pan and the first heating section;
FIG. 6 illustrates a bottom view of a rocker panel of the side door rocker assembly of FIG. 1 (in which a thermostat is shown);
fig. 7 is a schematic view showing a structure in which a drain tank, a second heating portion, and a side door sliding rail of the side door sill assembly of fig. 1 are coupled (in which only a portion of the left side of the side door in fig. 1 is shown); and
fig. 8 is a schematic view showing a structure in which a drain tank, a second heating portion, and a side door sliding rail of the side door sill assembly of fig. 1 are fitted (in which only a portion of the right side of the side door in fig. 1 is shown).
Wherein the figures include the following reference numerals:
10. a second heating section; 20. a water discharge tank; 31. a first temperature sensor; 32. a second temperature sensor; 33. a thermostat; 40. a first heating section; 51. a fixing member; 53. a threshold cover plate; 54. a threshold floor; 541. a first plate; 542. a second plate; 60. side door sliding rails.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, an embodiment of the present invention provides a side door sill assembly for a railway vehicle, including a sill cover 53 and a side door sliding rail 60. The threshold cover plate 53 is positioned on the outer side of a side door of the rail vehicle, and the bottom of the threshold cover plate 53 is provided with a first heating part 40; the side door sliding rails 60 are disposed at both sides of the threshold plate 53 along the length direction of the rail vehicle, the side doors of the rail vehicle are opened to both sides or closed from both sides to the middle along the side door sliding rails, and the second heating part 10 is disposed at the lower portion of the side door sliding rails.
In this application, owing to set up first heating portion 40 and second heating portion 10, thereby can heat threshold apron 53 and side door slide track 60, and then can melt snow and the ice-cube on the threshold apron 53, guarantee side door bottom temperature simultaneously, the phenomenon of icing appears in avoiding side door threshold apron 53 and the side door slide track 60, the side door that has guaranteed rail vehicle can be normal opens and closes, and then the comfort level that the passenger took has been improved, rail vehicle's normal operating has been guaranteed. Further, the first heating portion 40 and the second heating portion 10 are provided to maintain the threshold cover 53 and the side door slide rail 60 at a high temperature, for example, 10 ° or more, thereby preventing the occurrence of the freezing phenomenon.
Further, rail vehicle in this application only sets up threshold apron 53 in side door threshold department, sets up side door sliding rail 60 in the both sides of side door threshold, both can effectively avoid ice and snow ponding to fall into in the side door threshold, has guaranteed the normal switching of side door again.
As shown in fig. 1, 2 and 4, in the embodiment of the present invention, the side door sill assembly further includes drain grooves 20 disposed at both sides of a side door sill 53 in a longitudinal direction of the rail vehicle, the side door sliding rails are disposed in the drain grooves 20, and the drain grooves 20 may drain accumulated water on the side door sill 53 and the side door sliding rails 60.
Specifically, the side door sill assembly of the present application includes a first heating portion 40 and a second heating portion 10, and is capable of heating the sill cover 53 and the side door sliding rail 60 to melt ice and snow on the sill cover 53 and the side door sliding rail 60. Because the side door threshold subassembly of this application still includes water drainage tank 20 to can make ponding after ice and snow melts discharge by water drainage tank 20, prevent that ice and snow from melting the back and leading to threshold apron 53 or side door to slide track 60 to freeze once more because of the drainage is not smooth, perhaps ponding is excessive and is influenced rail vehicle's normal operating.
Preferably, the bottom of water drainage tank 20 is equipped with the drain pipe with external environment intercommunication, and ponding is directly arranged to the car outward by the drain pipe, has guaranteed that threshold apron 53 and side door slide rail 60's is dry clean and tidy, and then guarantees rail vehicle's normal operating, has improved passenger's the experience of taking.
As shown in fig. 1, 3, and 5, in the embodiment of the present invention, the first heating part 40 is an electric heating rod provided at the bottom of the rocker cover 53.
The bottom of the threshold cover plate 53 which is directly arranged by the electric heating rod can directly heat the threshold cover plate 53, the heating efficiency is higher, and the heating effect is better. Compared with the prior art, the sliding guide groove is formed in the position of the side door sill, the heating rod is arranged below the sliding guide groove, the arrangement mode of the first heating portion 40 is simpler, and the heating efficiency is higher.
As shown in fig. 1, 2 and 4, in the embodiment of the present invention, the second heating part 10 is an electric heating rod disposed between the drain tank 20 and the side door sliding rail 60.
Specifically, as shown in fig. 7 and 8, the second heating portion 10 of the present invention is located at a lower portion of the side door sliding rail 60 on both sides of the rocker cover 53, so that when the side door slides, ice and snow on the bottom of the side door can be melted, and normal opening and closing of the side door can be ensured. Since the side door slide rails 60 are positioned in the drain tank 20, the second heating unit 10 is disposed between the drain tank 20 and the side door slide rails 60 to smoothly discharge accumulated water after the ice and snow on the bottom of the side door are melted. The second heating part 10 is an electric heating rod, is convenient to arrange, and has a simple structure. The electric heating rod is arranged close to the side door sliding track, so that the heating effect is good and the heating efficiency is high.
In the embodiment of the present invention shown in fig. 1, the side door sill assembly further includes a sill pan 54 and a second temperature sensor 32. The threshold bottom plate 54 is positioned on the inner side of the threshold cover plate 53, and the threshold bottom plate 54 is in lap joint with the threshold cover plate 53 to form a threshold of the side door; the second temperature sensor 32 is provided at the bottom of the threshold bottom plate 54, and the second temperature sensor 32 is used to detect the temperature of the threshold.
By providing the second temperature sensor 32, the temperature of the side door sill can be detected in real time. Avoid too low because of side door threshold temperature, can't melt ice and snow, lead to the unable normal switching of side door, perhaps too high because of side door threshold temperature, influence passenger's the experience of taking.
As shown in fig. 1, 3, and 5, in the embodiment of the present invention, the rocker bottom plate 54 includes a first flat plate 541, a vertical plate, and a second flat plate 542, the second flat plate 542 is lap-joined to the rocker cover 53, and the first heating portion 40 is disposed between the second flat plate 542 and the rocker cover 53.
Through the above arrangement, the first heating portion 40 is directly and fixedly mounted on the second flat plate 542, so that the first heating portion 40 can heat the threshold bottom plate 54 and the threshold cover plate 53 at the same time, a good heating effect is ensured, heat loss is reduced, and heating efficiency is improved. The structure is simple and the installation is convenient.
As shown in fig. 1, in the embodiment of the present invention, the side door sill assembly further includes a first temperature sensor 31, and the first temperature sensor 31 is connected to the side door sliding rail 60 to detect the temperature of the side door sliding rail.
Preferably, the side door sliding rail 60 in the present application is installed in the drain tank 20 by a welding stud. Through setting up first temperature sensor 31, can real-time detection side door slide track 60's heating temperature, avoid sliding track 60 too low temperature because of the side door, can't melt ice and snow, lead to the unable normal switching of side door, perhaps slide track 60 too high temperature because of the side door, influence passenger's the experience of taking, cause heat to run off, produce the energy extravagant.
As shown in fig. 1 and 6, in the embodiment of the present invention, the side door sill assembly further includes a thermostat 33, and the thermostat 33 is used to control the heating temperature of the first heating portion 40 and the second heating portion 10.
The thermostat 33 is provided to effectively control the heating temperatures of the first heating portion 40 and the second heating portion 10, so that the temperatures of the threshold and the side door sliding rail 60 are kept at a constant temperature, a good heating effect is ensured, and energy waste is avoided.
Preferably, as shown in fig. 6, the thermostat 33 is provided at the bottom of the rocker cover 53.
The above arrangement is simple in structure, and the thermostat 33 is directly disposed at the bottom of the threshold cover plate 53, and the detection is sensitive, so that the heating temperature of the first heating portion 40 can be monitored conveniently.
As shown in fig. 1, in the embodiment of the present invention, the side door sill assembly further includes a fixing member 51, the second plate 542 and the sill cover 53 are correspondingly provided with mounting holes, and after the fixing member 51 passes through the mounting holes, the side door sill is mounted on the body frame of the rail vehicle.
Preferably, the side door sill in the present application is mounted on an underframe side rail of a railway vehicle, and the fixing member 51 is a screw. The installation is convenient for to above-mentioned setting, and intensity is better, satisfies rail vehicle self's intensity requirement.
The embodiment of the invention also provides a railway vehicle which comprises a vehicle body framework, a side door arranged on the vehicle body framework and a side door threshold assembly, wherein the side door threshold assembly is the side door threshold assembly.
Side door threshold subassembly in this application has set up first heating portion 40 and second heating portion 10 to can heat threshold apron 53 and side door slide track 60, and then can melt snow and the ice-cube on the threshold apron 53, guarantee side door bottom temperature simultaneously, the phenomenon of icing appears in avoiding side door threshold apron 53 and the side door slide track 60, the side door that has guaranteed rail vehicle can be normal opens and close, and then the comfort level that the passenger took has been improved, rail vehicle's normal operating has been guaranteed. Therefore, the rail vehicle with the side door sill assembly also has the advantages.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: owing to set up first heating portion and second heating portion to can heat threshold apron and side door slide the track, and then can melt snow and the ice-cube on the threshold apron, guarantee side door bottom temperature simultaneously, avoid side door threshold apron and side door to slide the phenomenon of icing to appear in the track, guarantee that rail vehicle's side door can be normal open and close, and then improved the comfort level that the passenger took, guaranteed rail vehicle's normal operating. Furthermore, the arrangement of the first heating part and the second heating part can keep the threshold cover plate and the side door sliding rail at a higher temperature (for example, more than 10 degrees), thereby avoiding the occurrence of icing phenomenon.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A side door threshold assembly for a rail vehicle, the side door threshold assembly comprising:
the side door structure of the railway vehicle comprises a threshold cover plate (53), a first heating part (40) is arranged at the bottom of the threshold cover plate (53), and the first heating part (40) is an electric heating rod arranged at the bottom of the threshold cover plate (53);
the side door sliding rails (60) are arranged on two sides of the threshold cover plate (53) along the length direction of the rail vehicle, the side door of the rail vehicle is opened towards two sides or closed from two sides to the middle along the side door sliding rails, and a second heating part (10) is arranged at the lower part of the side door sliding rails;
the drainage channels (20) are arranged on two sides of the threshold plate (53) along the length direction of the railway vehicle, the side door sliding tracks are positioned in the drainage channels (20), and the drainage channels (20) can drain accumulated water on the threshold plate (53) and the side door sliding tracks (60); the second heating part (10) is an electric heating rod arranged between the drainage groove (20) and the side door sliding rail (60); the bottom of the drainage groove is provided with a drainage pipe communicated with the external environment;
the doorsill bottom plate (54) is positioned on the inner side of the doorsill cover plate (53), and the doorsill bottom plate (54) is in lap joint with the doorsill cover plate (53) to form a doorsill of the side door; the rocker bottom plate (54) comprises a first flat plate (541), a vertical plate and a second flat plate (542), the second flat plate (542) is in lap joint with the rocker cover plate (53), and the first heating part (40) is arranged between the second flat plate (542) and the rocker cover plate (53);
a first temperature sensor (31), wherein the first temperature sensor (31) is connected with the side door sliding track to detect the temperature of the side door sliding track;
a second temperature sensor (32) provided at the bottom of the rocker bottom plate (54), the second temperature sensor (32) being configured to detect a temperature of the rocker;
a thermostat (33), the thermostat (33) being used to control a heating temperature of the first heating part (40) and/or the second heating part (10).
2. The side door sill assembly of claim 1, characterized in that the thermostat (33) is arranged at the bottom of the sill cover (53).
3. The side door sill assembly of claim 1, further comprising a fixing member (51), wherein the second plate (542) and the sill cover (53) are correspondingly provided with mounting holes, and the fixing member (51) passes through the mounting holes to mount the sill on the body frame of the rail vehicle.
4. A rail vehicle comprising a vehicle body frame, a side door disposed on the vehicle body frame, and a side door threshold assembly, wherein the side door threshold assembly is as claimed in any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990999.7A CN109080651B (en) | 2018-08-28 | 2018-08-28 | Side door threshold assembly of railway vehicle and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990999.7A CN109080651B (en) | 2018-08-28 | 2018-08-28 | Side door threshold assembly of railway vehicle and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109080651A CN109080651A (en) | 2018-12-25 |
| CN109080651B true CN109080651B (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810990999.7A Active CN109080651B (en) | 2018-08-28 | 2018-08-28 | Side door threshold assembly of railway vehicle and railway vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN109080651B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758120A (en) * | 2019-11-01 | 2021-05-07 | 中车唐山机车车辆有限公司 | Train door and train |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29708272U1 (en) * | 1997-05-07 | 1997-07-03 | Reiche GmbH & Co. KG Ausstattungen für Schienenfahrzeuge, 32791 Lage | Single or double-leaf sliding door for a railroad car |
| KR20120050776A (en) * | 2010-11-11 | 2012-05-21 | 현대로템 주식회사 | Anti-snow damage apparatus for door of electromotive |
| CN201915763U (en) * | 2010-12-14 | 2011-08-03 | 南车株洲电力机车有限公司 | Inner door sill for subway built-in door |
| CN203974827U (en) * | 2014-07-04 | 2014-12-03 | 南车南京浦镇车辆有限公司 | The antifreeze heating device in side door bottom |
| CN207140955U (en) * | 2017-09-11 | 2018-03-27 | 河南莱茵之星汽车有限公司 | A kind of automobile door sill meeting pedal |
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2018
- 2018-08-28 CN CN201810990999.7A patent/CN109080651B/en active Active
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| Publication number | Publication date |
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| CN109080651A (en) | 2018-12-25 |
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