CN107738618B - Passenger car with stairs and double-layer track - Google Patents
Passenger car with stairs and double-layer track Download PDFInfo
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- CN107738618B CN107738618B CN201710947944.3A CN201710947944A CN107738618B CN 107738618 B CN107738618 B CN 107738618B CN 201710947944 A CN201710947944 A CN 201710947944A CN 107738618 B CN107738618 B CN 107738618B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/005—Catwalks, running boards for vehicle tops, access means for vehicle tops; Handrails therefor
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Abstract
The invention provides a stair and a double-layer railway passenger car, wherein the stair is used for connecting an upper layer carriage and a lower layer carriage of the double-layer railway passenger car and comprises a first fixing plate, a second fixing plate and a step piece positioned between the first fixing plate and the second fixing plate, one end part of the first fixing plate and one end part of the second fixing plate along the length direction are lapped on the floor of the upper layer carriage, the other end part of the first fixing plate and the second fixing plate are lapped on the floor of the lower layer carriage, and the extending directions of the two fixing plates form an included angle with the horizontal direction; the step spare includes a plurality of step units, and every step unit is including supplying the passenger to trample and the tread face that sets up along the horizontal direction and the holding surface that supports tread face, and the contained angle between tread face and the holding surface is greater than 0 degree and is less than 90 degrees. The double-deck rail passenger car comprises the stair. The stair and the double-layer track passenger car provided by the invention can greatly reduce the installation occupied space, simplify the installation procedure and improve the installation precision, thereby improving the use comfort of users.
Description
Technical Field
The invention relates to the technical field of design and manufacture of railway passenger cars, in particular to a stair and a double-deck railway passenger car.
Background
Stairs are used as traffic connections between floors and when the height difference is large in the building. Although elevators and escalators are common at present, in order to ensure the safety of people during fire escape, stairs are selected as main traffic work. The rail passenger car is one of main transportation tools for people to go out in short range or long distance at present, the increase of the number of passengers, the improvement of the height utilization rate, the improvement of the comfort level and the reduction of the cost are always targets which are continuously pursued in the development process of the rail passenger car, therefore, in order to meet the requirements, the double-layer high-speed motor train unit is produced, the stairs are channels which are connected with the upper layer and the lower layer inside the double-layer rail passenger car, and the rail passenger car has higher requirements on the aspects of ensuring the personal safety of users and reducing the installation occupied space.
Fig. 1 is a schematic structural view of a staircase of a double-track passenger car in the prior art. Fig. 2 is a schematic structural view of the interior of a passenger car of a double-deck railway passenger car in the prior art. Fig. 3 is a partial schematic view of a portion a in fig. 2. Referring to fig. 1-3, the stair mainly comprises a first support 1 arranged in the vertical direction, a second support 2 arranged in the inclined direction, and a step assembly 3, wherein one end of each of the first supports 1 is supported at the bottom of the second support 2, and the other end of each of the first supports is supported on the floor surface of a double-deck railway passenger car. Two second supports 2 are provided in parallel at both ends of the step assembly 3 in the width direction, and are connected to both ends of the step assembly 3 by fasteners. Step subassembly 3 includes a plurality of end to end's step unit, and every step unit includes a vertical board 4 and a horizontal plate 5, and vertical board 4 and horizontal plate 5 set up perpendicularly. Between the upper and lower floors of a double-deck rail passenger car, there are usually connected one to two sections of the above-mentioned stairs, and when two sections of stairs are provided, the extending directions of the two sections of stairs are opposite. Since the stairs are generally located at the end of the carriage, which is a region with high density of passengers, in order to ensure that the stairs have enough strength to meet the requirement of carrying high density, a plurality of first struts 1 are arranged at intervals at the bottom of the stair step assembly 3 for supporting the step assembly 3.
However, present stair structure occupation space is great, a plurality of first pillars 1 that 3 bottom intervals of step subassembly set up make this space can't place double-deck track passenger train's part, double-deck track passenger train's dc-to-ac converter and upright wind channel 6 can only set up the side at stair, and a plurality of first pillars 1, second pillar 2 and step subassembly 3 need comparatively complicated operation in the installation, loaded down with trivial details installation procedure and inevitable considering installation error that complicated structure brought, make the final installation effect of this stair and user use experience all nonideal with.
Disclosure of Invention
Based on the technical problems, the invention provides a stair and a double-layer track passenger car, which can greatly reduce the installation occupied space, simplify the installation procedure, and improve the installation precision so as to improve the use comfort of users.
The invention provides a stair and a double-layer railway passenger car, wherein the stair is used for connecting an upper layer carriage and a lower layer carriage of the double-layer railway passenger car and comprises a first fixing plate, a second fixing plate and a step piece positioned between the first fixing plate and the second fixing plate, one end part of the first fixing plate in the length direction and one end part of the second fixing plate in the length direction are respectively lapped on the floor of the upper layer carriage, the other end part of the first fixing plate in the length direction and the other end part of the second fixing plate in the length direction are respectively lapped on the floor of the lower layer carriage, and an included angle is formed between the extending direction of the two fixing plates and the horizontal direction.
The step spare includes a plurality of step units, and every step unit is including supplying the passenger to trample and the tread face that sets up along the horizontal direction and the holding surface that supports tread face, and the contained angle between tread face and the holding surface is greater than 0 degree and is less than 90 degrees.
In the above staircase, optionally, the plurality of step units of the step piece are integrally formed, the step piece is a metal plate, and the step piece is bent for multiple times to form the plurality of step units.
In the above staircase, optionally, a first end of the tread surface along the length direction of the step piece is connected with a first end of the supporting surface along the length direction of the step piece, and a second end of the tread surface along the length direction of the step piece is connected with an end of the supporting surface of the adjacent step unit along the length direction of the step piece.
The second end of the supporting surface along the length direction of the step piece inclines towards the direction of the second end of the treading surface, so that the included angle between the treading surface and the supporting surface is between 0 degree and 90 degrees.
In the above staircase, optionally, the first fixing plate and the second fixing plate are both plane plates, and the plate surfaces of the first fixing plate and the second fixing plate are both located in the vertical direction.
In the above staircase, optionally, the first fixing plate and the second fixing plate are both cambered plates, and the bending radii of the first fixing plate and the second fixing plate are the same and the bending directions are the same.
In the above staircase, optionally, the first fixing plate and the second fixing plate are both metal plates, and the first fixing plate and the second fixing plate are connected with the two ends of the step piece along the width direction by welding.
In the above stair, optionally, the tread surface of each step unit is provided with an anti-slip bead and/or an anti-slip protrusion, the anti-slip bead is arranged at an end portion close to the first end of the tread surface, and the anti-slip bead crosses the tread surface along the width direction of the step unit.
The antiskid bulges are arranged on the surface of the tread surface at intervals along the width line of the step piece.
In the above staircase, optionally, the surfaces of the first fixing plate and the second fixing plate on the sides far away from the step members are further provided with a plurality of staircase handrail installation seats.
The invention also provides a double-deck railway passenger car which comprises an upper-layer carriage and a lower-layer carriage which are vertically stacked, wherein the same end parts of the upper-layer carriage and the lower-layer carriage are connected through at least one section of the stair.
In the double-deck rail passenger car, optionally, the same end portions of the upper-deck carriage and the lower-deck carriage are connected through a plurality of stairs, the plurality of stairs are connected end to end, and the extending direction of any stair in the plurality of stairs is opposite to that of the adjacent stair.
According to the stair and the double-layer track passenger car, the included angle between the tread surface and the supporting surface in the step unit is set to be 0-90 degrees, so that the projection area of the step piece on the horizontal plane can be effectively reduced, and the step piece and the space occupied by the stair installation can be greatly reduced; this stair have reduced the erection joint point and the connecting element of this stair through setting up first fixed plate and second fixed plate and being located the step spare between first fixed plate and the second fixed plate, a plurality of step unit integrated into one piece of step spare to simplify the installation procedure, reduced the error that brings by the installation, improve the installation accuracy. On the basis of the existing double-deck railway passenger car, the use space inside the carriage is effectively increased, so that the use comfort of a user is further improved on the basis of improving the rated number of passengers of the double-deck railway passenger car.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a staircase of a double-track passenger car in the prior art;
FIG. 2 is a schematic view of the interior of a passenger car of a double-deck railway passenger car according to the prior art;
FIG. 3 is a partial schematic view of portion A of FIG. 2;
fig. 4 is a schematic structural diagram of a staircase according to an embodiment of the present invention;
fig. 5 is a side view of a staircase according to an embodiment of the invention;
FIG. 6 is a partial schematic view of a portion B of FIG. 5 according to an embodiment of the present invention;
FIG. 7 is a partial schematic view of a portion C of FIG. 5 according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a staircase provided with handrails according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a staircase according to a second embodiment of the present invention;
fig. 10 is a schematic structural view of the interior of a passenger car of a double-deck railway passenger car according to a third embodiment of the present invention;
fig. 11 is a partial schematic view of a portion D in fig. 9 according to a third embodiment of the present invention.
Description of reference numerals:
1-a first pillar;
2-a second pillar;
3-a step assembly;
4-vertical plates;
5-horizontal plate;
6-inverter and vertical air duct;
10-a first fixing plate;
20-a second fixing plate;
30-a step piece;
31-tread surface;
32-a support surface;
40-anti-slip layering;
50-anti-slip bulge;
60-a mounting seat;
70-vertical air ducts;
80-floor;
90-a supporting seat;
100-fastener.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. 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. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," "fixed," and the like are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally formed; it can be mechanically coupled, directly coupled, indirectly coupled through intervening media, coupled between two elements, or coupled between two elements in a mutual relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
Fig. 4 is a schematic structural diagram of a staircase according to an embodiment of the present invention. Fig. 5 is a side view of a staircase according to an embodiment of the present invention. Fig. 6 is a partial schematic view of a portion B in fig. 4 according to an embodiment of the present invention. Fig. 7 is a partial schematic view of a portion C in fig. 4 according to an embodiment of the present invention. Fig. 8 is a schematic structural view of a staircase with handrails according to an embodiment of the present invention.
As shown in fig. 4 to 8, an embodiment of the present invention provides a stairway for connecting upper and lower deck cars of a double-deck railway passenger car. Most of stairs for the double-deck railway passenger car at present comprise a first support column and a second support column, wherein the first support column is vertically arranged, the second support column is obliquely arranged, the first support column is arranged at the bottom of the second support column, a step part is arranged between the two second support columns which are arranged in parallel, the step part comprises a vertical plate and a horizontal plate, and the included angle between the vertical plate and the horizontal plate is 90 degrees. For the stability of guaranteeing stair, first pillar sets up to a plurality ofly usually, and a plurality of first pillar intervals prop up and establish in the bottom of second pillar, therefore the remaining parts of the unable double-deck track passenger train of installation in the bottom of this stair second pillar, and this stair have taken up great installation area. And the stair comprises basic components of the first support column, the second support column, the vertical plate and the horizontal plate, and the reinforcing parts are additionally arranged, so that more elements are installed, the installation process is complex and difficult to operate, and the installation efficiency and the installation precision are greatly reduced.
In order to overcome the above-mentioned defects, the staircase provided by the present embodiment comprises a first fixing plate 10, a second fixing plate 20 and a step member 30 located between the first fixing plate 10 and the second fixing plate 20, wherein one end of the first fixing plate 10 in the length direction and one end of the second fixing plate 20 in the length direction both overlap the floor 80 of the upper deck compartment, the other end of the first fixing plate 10 in the length direction and the other end of the second fixing plate 20 in the length direction both overlap the floor 80 of the lower deck compartment, and the extending direction of the first fixing plate 10 and the second fixing plate 20 forms an angle with the horizontal direction.
It should be noted that, the first fixing plate 10 and the second fixing plate 20 may be formed by using an existing plate, and in fig. 4 and 5 of the present embodiment, the first fixing plate 10 and the second fixing plate 20 are rectangular plates that are obliquely arranged, and an included angle between an extending direction of the two and a horizontal direction, that is, an oblique angle between the two can be adjusted according to a vertical distance between an upper layer car and a lower layer car. It should be noted that, when the vertical distance between the upper deck compartment and the lower deck compartment is a fixed value, the inclination angles of the first fixing plate 10 and the second fixing plate 20 are properly increased, so as to reduce the installation area occupied by the stair, and when the inclination angle is adjusted, the horizontal extension length of the stair needs to be considered, and when the horizontal extension length is too small, the area of the tread surface 31 on each step 30 for the passengers to tread on is reduced, which may reduce the comfort level of the passengers.
In the staircase of this embodiment, the both ends of step 30 along the width direction are connected with first fixed plate 10 and second fixed plate 20 respectively, it should be noted that, the both ends of step 30 are all connected in the face of first fixed plate 10 and second fixed plate 20, can improve the installation stability and the support intensity of step 30 like this.
Further, the step member 30 includes a plurality of step units, each of which includes a stepping surface 31 for a passenger to step on and disposed along a horizontal direction and a supporting surface 32 for supporting the stepping surface 31, and an included angle between the stepping surface 31 and the supporting surface 32 is greater than 0 degree and smaller than 90 degrees.
It should be noted that, the step member 30 includes a plurality of step units, the step units extend in an end-to-end manner along an inclined direction to connect the lower compartment and the upper compartment together, wherein, the end portions of the step member 30 close to the upper compartment and the lower compartment are all the tread surfaces 31 lapped on the compartment floor 80, so as to ensure the connection stability of the step member 30 with the upper compartment and the lower compartment. The floor 80 of the carriage is provided with a stair bearing seat 90, the tread surface 31 is lapped on the surface of the bearing seat 90, and the connection between the two is completed through a fastening piece 100. And still can increase damping material, for example polyurethane foam shock pad between tread surface 31 and carriage floor 80 face to set up sound insulation material in the back of stair step large tracts of land, effectively reduce the noise that stair used, improve carriage use comfort. The plurality of step units comprise treading surfaces 31 and supporting surfaces 32, wherein the included angle between the treading surfaces 31 and the supporting surfaces 32 ranges from 0 degree to 90 degrees. In the existing stair, the included angle between the horizontal plate for passengers to step on and the vertical plate for supporting the horizontal plate is 90 degrees, and in the embodiment, the included angle between the stepping surface 31 and the supporting surface 32 is smaller than 90 degrees, so that the extension length of the step piece 30 in the horizontal direction can be reduced, and the installation space for the stair is reduced.
Specifically, the step member 30 is formed by integrally forming a plurality of step units, the step member 30 is a metal plate member, and the step member is bent for a plurality of times to form the plurality of step units of the step member 30. It should be noted that, the step member 30 may be formed by integrally molding a plurality of step units, and the specific integrally molding manner is as follows: the step piece 30 is a steel plate piece, and the steel plate piece is bent through multiple times of stamping to form a plurality of step units, so that the included angle between the treading surface 31 and the supporting surface 32 in the step units can be accurately controlled in the bending process. The integrally formed step part 30 can reduce connection points and connection elements between the plurality of step units, thereby improving installation efficiency and installation accuracy.
Specifically, a first end of the tread surface 31 in the length direction of the step piece 30 is connected to a first end of the support surface 32 in the length direction of the step piece 30, and a second end of the tread surface 31 in the length direction of the step piece 30 is connected to an end of the support surface 32 of the adjacent step unit in the length direction of the step piece 30.
A second end of the supporting surface 32 along the length direction of the step 30 is inclined toward the second end of the tread surface 31, so that the included angle between the tread surface 31 and the supporting surface 32 is between 0 degree and 90 degrees.
Based on the integrally formed step 30, a specific connection manner of the step units may be that a first end of the tread surface 31 along the length direction of the step 30 is connected to a first end of the supporting surface 32 along the length direction of the step 30, and a second end of the tread surface 31 is connected to an end of the supporting surface 32 of the adjacent step unit, so that the connection between the plurality of step units is realized. The second end of the supporting surface 32 is inclined toward the second end of the tread surface 31, so that the included angle between the tread surface 31 and the supporting surface 32 is between 0 degree and 90 degrees. The support surface 32 is inclined in such a manner that the treading surfaces 31 of adjacent step units have a certain projection overlapping area in the vertical direction, so that the projection area of all the step units on the horizontal plane can be reduced, and the space for installing the step member 30 is reduced.
Specifically, the first fixing plate 10 and the second fixing plate 20 may be flat plates, and the plate surfaces of the first fixing plate 10 and the second fixing plate 20 are both located in a vertical direction. It should be noted that, the end spaces of some upper and lower compartments are relatively abundant, and the first fixing plate 10 and the second fixing plate 20 may be configured as plane plates, and the plate surfaces of the first fixing plate 10 and the second fixing plate 20 are parallel to each other and are both located in the vertical direction. The first fixing plate 10 and the second fixing plate 20 may also be disposed not parallel to each other, the upper ends of the two fixing plates may be inclined toward the direction of the step 30, and the lower ends of the two fixing plates may be inclined away from the direction of the step 30, so that the cross section of the staircase in the width direction is similar to a trapezoid structure, and the length of the upper bottom of the trapezoid is less than that of the lower bottom, which is beneficial to maintaining the stability of the staircase.
Further, the first fixing plate 10 and the second fixing plate 20 are both metal plates, and the first fixing plate 10 and the second fixing plate 20 are connected to both ends of the step member 30 in the width direction by welding. The first fixing plate 10 and the second fixing plate 20 can be welded to the end of the step 30, and the welded connection is non-detachable, so that the bearing strength of the staircase can be further improved on the basis of simplifying the installation process.
Further, because the stair on the double-deck track passenger car is located the tip of carriage, is personnel's intensive district, when stair user number is more, in order to prevent to trample and slide to wait the accident, guarantee the safety in utilization of stair, all be equipped with anti-skidding layering 40 and/or skid proof protrusion 50 on the tread face 31 of every step unit, anti-skidding layering 40 sets up the tip near the first end of tread face 31, anti-skidding layering 40 crosses tread face 31 along the width direction of step spare 30. It should be noted that the anti-skid bead 40 is disposed at an end portion close to the first end of the tread surface 31, and the end portion close to the edge of the tread surface 31 is a high-rise area that can be slipped or stepped on during the use of the passenger, so that the anti-skid bead 40 is disposed at the position, and the anti-skid performance can be improved in a targeted manner. The stud 50 is provided in plural, and the plural studs 50 are provided at intervals on the surface of the tread surface 31 along the width line of the step member 30. The anti-slip protrusions 50 may be dot-shaped protrusions or pointed cone-shaped protrusions, which can be selectively used according to actual needs, and this embodiment is not limited to this, and is not limited to the above examples.
Specifically, as shown in fig. 4 and 8, a plurality of stair railing installation seats 60 are further provided on the surfaces of the first fixing plate 10 and the second fixing plate on the sides away from the step member 30. The handrail can improve the safety of the stair.
According to the stair provided by the invention, the included angle between the treading surface 31 and the supporting surface 32 in the step unit is set to be 0-90 degrees, so that the projection area of the step piece 30 on the horizontal plane can be effectively reduced, and the space occupied by the step piece 30 and the stair can be greatly reduced; this stair has reduced the erection joint point and the connecting element of this stair through setting up first fixed plate 10 and second fixed plate 20 and being located the step spare 30 between first fixed plate 10 and the second fixed plate 20, a plurality of step unit integrated into one piece of step spare 30 to simplify the installation procedure, reduced the error that is brought by the installation, improve the installation accuracy. On the basis of the existing double-deck railway passenger car, the use space inside the carriage is effectively increased, so that the use comfort of a user is further improved on the basis of improving the rated number of passengers of the double-deck railway passenger car.
Example two
Fig. 9 is a schematic structural view of a staircase according to a second embodiment of the present invention. As shown in fig. 9, the second embodiment of the present invention further provides a staircase.
On the basis of the first embodiment, in the staircase provided by this embodiment, the first fixing plate 10 and the second fixing plate 20 are both arc-shaped plates, and the bending radii of the first fixing plate 10 and the second fixing plate 20 are the same and the bending directions are the same. It should be noted that, in some double-deck railway passenger cars, the end installation spaces of the upper deck and the lower deck are relatively narrow, and in order to adapt to the installation of the brake pipe system, the electrical equipment or the fire extinguishing facility inside the car, when the first fixing plate 10 and the second fixing plate 20 cannot be set as linear plane plates, they may be set as arc panels, fig. 9 shows an implementable embodiment in this embodiment, the first fixing plate 10 and the second fixing plate 20 are both one-segment arc panels, and the bending direction of the arc panels faces one direction. In the actual use, this cambered plate can also be the cambered surface of multistage and connect the constitution, and the direction of buckling of multistage cambered surface is different to the installation space of furthest's adaptation carriage inside.
Further, the bending radii of the first fixing plate 10 and the second fixing plate 20 are the same, so that the step piece 30 can be simplified, the design and installation of the step piece are facilitated, the installation process of the stair is simplified, and the installation effect is improved.
Other technical features are the same as those of the first embodiment and the second embodiment, and the same technical effects can be achieved, and are not described in detail herein.
According to the stair provided by the second embodiment of the invention, the included angle between the treading surface 31 and the supporting surface 32 in the step unit is set to be 0-90 degrees, so that the projection area of the step piece 30 on the horizontal plane can be effectively reduced, and the step piece 30 and the space occupied by the stair installation can be greatly reduced; this stair has reduced the erection joint point and the connecting element of this stair through setting up first fixed plate 10 and second fixed plate 20 and being located the step spare 30 between first fixed plate 10 and the second fixed plate 20, a plurality of step unit integrated into one piece of step spare 30 to simplify the installation procedure, reduced the error that is brought by the installation, improve the installation accuracy. The first fixing plate 10 and the second fixing plate 20 are configured as arc panels, so that the installation space in the vehicle compartment is maximally adapted. On the basis of the existing double-deck railway passenger car, the use space inside the carriage is effectively increased, so that the use comfort of a user is further improved on the basis of improving the rated number of passengers of the double-deck railway passenger car.
EXAMPLE III
Fig. 10 is a schematic structural diagram of the interior of a passenger car of a double-deck railway passenger car according to a third embodiment of the present invention. Fig. 11 is a partial schematic view of a portion D in fig. 9 according to a third embodiment of the present invention.
On the basis of the first embodiment and the second embodiment, as shown in fig. 10 and 11, a third embodiment of the invention further provides a double-deck railway passenger car, which comprises an upper deck carriage and a lower deck carriage which are stacked up and down in the vertical direction, and the same end parts of the upper deck carriage and the lower deck carriage are connected through at least one section of the stairs.
In the double-deck rail passenger car, optionally, the end parts of the same ends of the upper carriage and the lower carriage are connected through a plurality of stairs, the plurality of stairs are connected end to end, and the extending direction of any stair in the plurality of stairs is opposite to that of the adjacent stair.
It should be noted that the double-deck rail passenger car provided in this embodiment uses the stairway in the first embodiment and/or the second embodiment, unlike the stairway in the prior art, the stairway used in this embodiment simplifies the pillars at the bottom of the step members 30, omits complicated skeleton support, and completes the arrangement of the stairway only through the integrated structure of the first fixing plate 10, the second fixing plate 20 and the step members 30, wherein the lower part of the stairway can be used for placing other devices in the car, such as a brake pipe system, electrical equipment or fire extinguishing facilities. The bottom of the existing stair cannot be provided with other parts, and the inverter and the vertical air duct are arranged on the side edge of the stair. As shown in fig. 11, in this embodiment, due to the improvement of the staircase structure, the inverter is moved from the electrical cabinet to the lower space of the staircase, and the vertical air duct 70 is disposed at the side of the staircase, so the volume of the electrical cabinet is reduced, and a set of seats can be added to the original inverter, so that the rated load of the car can be increased by one person. In practical use, other components besides the inverter can be disposed at the lower part of the staircase according to requirements, and the present embodiment does not limit this to the above example.
It should be noted that, when the vertical distance between the upper deck and the lower deck is too large, the ends of the upper deck and the lower deck can be connected by the multi-flight stairs in the first embodiment and/or the second embodiment, the multi-flight stairs can be connected by the turning portions, the extending directions of the stairs in adjacent flights are opposite, that is, the ith flight of stairs in the N flights of stairs extends towards the first end of the deck, and the (i + 1) th flight of stairs extends towards the second end of the deck and is connected by the turning portions of the stairs, wherein N is a positive integer, and i is a positive integer smaller than N-1. In practical use, the extending direction of the stairs may also be set along the width direction of the carriage or at an angle with the length direction, which is not limited in this embodiment, and is not limited to the above example.
Other technical features are the same as those of the first embodiment and the second embodiment, and the same technical effects can be achieved, and are not described in detail herein.
According to the double-layer track passenger car provided by the third embodiment of the invention, the included angle between the treading surface 31 and the supporting surface 32 in the step unit is set to be 0-90 degrees, so that the projection area of the step piece 30 on the horizontal plane can be effectively reduced, and the space occupied by the step piece 30 and the stair installation can be greatly reduced; this stair has reduced the erection joint point and the connecting element of this stair through setting up first fixed plate 10 and second fixed plate 20 and being located the step spare 30 between first fixed plate 10 and the second fixed plate 20, a plurality of step unit integrated into one piece of step spare 30 to simplify the installation procedure, reduced the error that is brought by the installation, improve the installation accuracy. On the basis of the existing double-deck railway passenger car, the use space inside the carriage is effectively increased, so that the use comfort of a user is further improved on the basis of improving the rated number of passengers of the double-deck railway passenger car.
In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A stair is used for connecting an upper layer carriage and a lower layer carriage of a double-layer railway passenger car and is characterized by comprising a first fixing plate, a second fixing plate and a step piece positioned between the first fixing plate and the second fixing plate, wherein one end part of the first fixing plate in the length direction and one end part of the second fixing plate in the length direction are lapped on the floor of the upper layer carriage, the other end part of the first fixing plate in the length direction and the other end part of the second fixing plate in the length direction are lapped on the floor of the lower layer carriage, and an included angle is formed between the extension direction of the first fixing plate and the extension direction of the second fixing plate and the horizontal direction;
the step spare includes the step unit of a plurality of end to end, every the step unit is including supplying the passenger to trample and along the tread face and the support of horizontal direction setting the support surface of tread face, tread the face with contained angle between the support surface is greater than 0 degree and is less than 90 degrees.
2. The staircase of claim 1, wherein the step piece is a sheet metal piece that is bent multiple times to form a plurality of the step units.
3. The staircase according to claim 1, wherein a first end of the tread surface in the length direction of the step piece is connected to a first end of the support surface in the length direction of the step piece, and a second end of the tread surface in the length direction of the step piece is connected to an end of the support surface of the adjacent step unit in the length direction of the step piece;
the second end of the supporting surface along the length direction of the step piece inclines towards the direction of the second end of the treading surface, so that the included angle between the treading surface and the supporting surface is between 0 degree and 90 degrees.
4. The staircase according to any of the claims 1-3, wherein the first and second fixing plates are both plane plates, the plate surfaces of the first and second fixing plates being in vertical direction.
5. The staircase according to any of the claims 1-3, wherein the first fixing plate and the second fixing plate are cambered plates, and the first fixing plate and the second fixing plate have the same bending radius and the same bending direction.
6. The staircase according to claim 2 or 3, wherein the first fixing plate and the second fixing plate are both metal plates, and the first fixing plate and the second fixing plate are connected to both ends of the step member in the width direction by welding.
7. The stair of claim 3, wherein the tread surface of each step unit is provided with an anti-slip bead and/or an anti-slip protrusion, the anti-slip bead is arranged at an end part close to a first end of the tread surface, and the anti-slip bead crosses the tread surface along the width direction of the step part;
the anti-skid protrusions are arranged on the surface of the tread surface at intervals along the width line of the step piece.
8. The staircase as claimed in any one of claims 1 to 3, wherein the first and second fixing plates are further provided with a plurality of staircase handrail mountings on the surface of the side of the first and second fixing plates remote from the step elements.
9. A double track passenger vehicle comprising an upper deck and a lower deck stacked vertically one above the other, the same end of said upper deck and said lower deck being connected by at least one section of a staircase according to any of claims 1-8.
10. The double-deck rail passenger car of claim 9, wherein the same end of the upper deck car and the lower deck car are connected by a plurality of stairs, the plurality of stairs are connected end to end, and the stair in any one of the plurality of stairs extends in the opposite direction to the stair in the adjacent section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947944.3A CN107738618B (en) | 2017-10-12 | 2017-10-12 | Passenger car with stairs and double-layer track |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947944.3A CN107738618B (en) | 2017-10-12 | 2017-10-12 | Passenger car with stairs and double-layer track |
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| Publication Number | Publication Date |
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| CN107738618A CN107738618A (en) | 2018-02-27 |
| CN107738618B true CN107738618B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710947944.3A Active CN107738618B (en) | 2017-10-12 | 2017-10-12 | Passenger car with stairs and double-layer track |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301443B (en) * | 2020-02-24 | 2021-02-05 | 中车株洲电力机车有限公司 | Double-deck vehicle and middle bearing structure thereof |
| CN114248811B (en) * | 2022-01-07 | 2023-06-23 | 中车唐山机车车辆有限公司 | Stair structure for rail train and rail train |
| CN114368401B (en) * | 2022-01-07 | 2023-06-23 | 中车唐山机车车辆有限公司 | Train two-layer floor mounting structure and carriage |
| CN116001824A (en) * | 2022-11-15 | 2023-04-25 | 中车唐山机车车辆有限公司 | Double-deck rail vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746818A (en) * | 2013-12-30 | 2015-07-01 | 刘芳 | Remote-control slide escape stairway |
| CN203766903U (en) * | 2014-04-03 | 2014-08-13 | 安徽安凯汽车股份有限公司 | Double-deck bus with double-stair structure |
| CN205677173U (en) * | 2016-06-21 | 2016-11-09 | 四川省第四建筑工程公司 | Double race oblique line stair |
| CN206243175U (en) * | 2016-08-30 | 2017-06-13 | 青岛罗美威奥新材料制造有限公司 | A kind of built-in double-deck stair of EMUs |
| CN206218625U (en) * | 2016-11-30 | 2017-06-06 | 苏州金峰物流设备有限公司 | Staged spiral gliding groove |
| CN106480852A (en) * | 2016-12-15 | 2017-03-08 | 刘全 | A kind of sinking staged reservoir of utilization hillside fields physical features |
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