WO2019120268A1

WO2019120268A1 - Escape ladder and rail transit system having same

Info

Publication number: WO2019120268A1
Application number: PCT/CN2018/122527
Authority: WO
Inventors: 封如; 唐景华; 原群盛; 贺圣彦; 董凯凯
Original assignee: 比亚迪股份有限公司
Priority date: 2017-12-22
Filing date: 2018-12-21
Publication date: 2019-06-27
Also published as: CN109955863B; CN109955863A

Abstract

An escape ladder (100) and a rail transit system (200) having the same; the escape ladder (100) comprises: a base (1), and the base (1) has formed thereon a plurality of cooperating grooves (11) that are circumferentially provided at intervals; and an escape ladder main body (2), wherein one end of the escape ladder main body (2) is provided with at least one cooperating projection (21), the cooperating projection (21) being suitable for cooperating with the inside of one from among the plurality of cooperating grooves (11); when the cooperating projection (21) cooperates with different cooperating grooves (11), the installation direction of the escape ladder main body (2) that is relative to the base (1) changes.

Description

Escape ladder and rail transit system with it

Cross-reference to related applications

The present application is based on a Chinese patent application filed on Jan. 22, 2017, the entire disclosure of which is hereby incorporated by reference.

Technical field

The present application relates to the field of rail transit technology, and in particular to an escape ladder and a rail transit system therewith.

Background technique

In the related art, the base of the escape ladder is fixed, and the escape ladder body is not rotatable or movable. Therefore, the escape ladder body can only extend in one direction, and generally can only meet the escape on the straight road.

Summary of the invention

The present application is intended to address at least one of the technical problems existing in the related art. To this end, the present application proposes an escape ladder that has better adaptability and flexibility and can better satisfy passenger escape.

The present application also proposes a rail transit system having the above-described escape ladder.

The escape ladder according to the embodiment of the first aspect of the present invention includes: a base, the base is formed with a plurality of circumferentially spaced matching grooves; the escape ladder body, and one end of the escape ladder body is provided with at least one matching convex The mating protrusion is adapted to fit in one of the plurality of mating recesses, the escape ladder body being opposite to the base when the mating projection is mated with a different one of the mating recesses The installation direction changes.

According to the escape ladder of the embodiment of the present application, a plurality of matching grooves arranged at a circumferential interval are disposed on the base, and the fitting protrusions of one end of the escape ladder body are fitted in the corresponding fitting grooves according to actual conditions, thereby The escape ladder has better adaptability and flexibility to better meet passenger escapes.

According to some embodiments of the present application, the mating protrusions are spherical structures, and the contour of each of the mating recesses is adapted to the shape of the mating protrusions, and the inner wall surface of the mating recess is a spherical surface. An intersection line between a plane of the spherical center of the spherical surface and an inner wall surface of the fitting groove is a circular arc line, and a central angle of any one of the circular arc lines is greater than 180°.

According to some embodiments of the present application, the centers of the plurality of mating grooves are located on the circumference of the same circle.

According to some embodiments of the present application, the escape ladder body is located outside the circumference of the center of the plurality of the mating recesses.

According to some embodiments of the present application, the mating protrusions are two, one end of the escape ladder body and two connecting rods are provided between the two of the mating protrusions, and the two connecting rods and two The mating protrusions are connected one by one, and the two connecting rods are spaced apart in the width direction of the escape ladder body.

According to some embodiments of the present application, the distance between the two connecting rods gradually decreases in a direction toward the center of the base.

According to some embodiments of the present application, the base is formed with a plurality of communication slots in one-to-one correspondence with the plurality of the matching grooves, the base having a side surface, the side surface being disposed toward the escape ladder body An end of each of the communication slots away from the corresponding fitting groove extends through the side surface, wherein the connecting rod is adapted to fit within the communication groove.

According to some embodiments of the present application, the mating protrusion is an elastic mating protrusion.

According to some embodiments of the present application, the angle between the escape ladder body and the ground is γ, wherein the γ satisfies: 40° ≤ γ ≤ 50°.

According to some embodiments of the present application, a plurality of the mating grooves are formed at an upper portion of the base.

According to some embodiments of the present application, the escape ladder body is configured to be at least one of foldable and telescopic.

A rail transit system according to an embodiment of the second aspect of the present application, comprising: a track; a vehicle straddled on the track, the vehicle having a door; an escape ladder, the first step according to the present application The escape ladder of the embodiment, the base of the escape ladder is adapted to be mounted on a floor of the vehicle when the vehicle is escaped, the base is disposed adjacent to the door, and the other end of the escape ladder body is adapted to extend Said outside the vehicle.

Additional aspects and advantages of the present invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from

1 is a schematic view of an escape ladder according to an embodiment of the present application;

Figure 2 is a side elevational view of the escape ladder shown in Figure 1;

3 is a partial cross-sectional view of an escape ladder in accordance with an embodiment of the present application;

4 is a schematic view of a base according to an embodiment of the present application;

Figure 5 is a cross-sectional view of the base shown in Figure 4;

Figure 6 is a side elevational view of the base shown in Figure 4;

7 is a schematic diagram of a rail transit system in accordance with an embodiment of the present application.

Reference mark:

200: rail transit system;

101: track; 102: vehicle; 1021: car door; 1022: floor;

100: escape ladder; 1: base; 10: side surface; 11: fit groove; 111: circular line; 12: communication groove;

2: escape ladder body; 21: matching protrusion; 22: connecting rod.

Detailed ways

The embodiments of the present application are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative only, and are not to be construed as limiting.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Out, Clockwise, Counterclockwise, Axial The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present application and the simplified description, and does not indicate or imply the indicated device or The elements must have a particular orientation, are constructed and operated in a particular orientation, and are therefore not to be construed as limiting. Furthermore, features defining "first" and "second" may include one or more of the features, either explicitly or implicitly. In the description of the present application, "a plurality" means two or more unless otherwise stated.

In the description of the present application, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise specifically defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meanings of the above terms in the present application can be understood in the specific circumstances for those skilled in the art.

An escape ladder 100 in accordance with an embodiment of the present application is described below with reference to FIGS. The escape ladder 100 can be applied to a rail transit system 200 such as a light rail, and the light rail can include a straddle monorail train or the like. In the following description of the present application, the escape ladder 100 is applied to a straddle monorail as an example. Of course, those skilled in the art can understand that the escape ladder 100 can also be applied to a subway or the like.

As shown in FIGS. 1 to 6, the escape ladder 100 according to the first aspect of the present application includes a base 1 and an escape ladder body 2.

The base 1 is formed with a plurality of mating recesses 11 arranged circumferentially. One end of the escape ladder body 2 (for example, the right end in FIGS. 1 and 2) is provided with at least one mating protrusion 21, and the mating protrusion 21 is adapted. Fitted in one of the plurality of mating recesses 11. When the engaging projection 21 is engaged with the different fitting recesses 11, the mounting direction of the escape ladder body 2 with respect to the base 1 is changed.

When the escape ladder 100 is applied to the rail transit system 200, such as a straddle monorail train, the base 1 can be fixedly coupled to the floor 1022 of the straddle monorail train by providing a plurality of circumferentially spaced apart mating recesses on the base 1. 11. The mating protrusion 21 of the one end of the escape ladder body 2 can be engaged with the mating recess 11 on the base 1 according to the position where the straddle monorail actually stops, thereby forming a matching protrusion on the escape ladder body 2. When the 21 matching grooves 11 on the base 1 are matched, the installation direction of the escape ladder body 2 can be changed to adapt to different corner radii.

Specifically, for example, when a straddle monorail train needs to escape at a curve, the fitting protrusion 21 on the escape ladder body 2 can be correspondingly fitted with the base 1 according to the different radius of the curve. The slot 11 cooperates to adapt to the curve, so that the passenger can escape in the corner; when the straddle monorail needs to escape at the straight road, the matching protrusion 21 on the escape ladder body 2 can also It fits well with the corresponding mating recess 11 on the base 1 to satisfy the passenger escape on the straight.

According to the escape ladder 100 of the embodiment of the present application, by providing a plurality of matching grooves 11 circumferentially spaced on the base 1, the engaging projections 21 of one end of the escape ladder body 2 are fitted to the corresponding fitting recesses according to actual conditions. The slot 11 is such that the escape ladder 100 has better adaptability and flexibility to better meet passenger escapes.

According to some embodiments of the present application, referring to FIGS. 1-3 and in conjunction with FIGS. 4-6, the mating protrusions 21 are spherical structures, and the shape of each mating recess 11 is adapted to the shape of the mating protrusions 21 to cooperate. The inner wall of the groove 11 is a spherical surface having a spherical center, and the intersection of the plane passing through the center of the sphere and the inner wall surface of the fitting groove 11 is a circular arc line 111, and the central angle of any arc line 111 is greater than 180°; Each of the mating recesses 11 extends through the upper surface of the base 1, and each of the mating recesses 11 is formed substantially as a spherical cap. The center angle of the arcuate line 111 is greater than 180 in the plane of the mating groove 11 passing through the center of the ball 11. °. Thus, by arranging the mating protrusion 21 as a spherical structure and forming the inner wall surface of the mating recess 11 into a spherical crown, after the mating protrusion 21 and the mating recess 11 are fitted into position, the mating protrusion 21 is opposite to the mating recess The groove 11 can be rotated by a certain angle, so that the curve can be better adapted to better meet the passenger escape; moreover, since the central angle of the circular arc line 111 is greater than 180°, the inner wall of the fitting groove 11 is formed into a spherical crown. The height of the spherical cap is greater than the radius of the corresponding ball. After the engaging protrusion 21 and the engaging groove 11 are in position, the engaging protrusion 21 is not easily disengaged from the engaging groove 11, thereby effectively ensuring that the passenger is using the escape ladder. At 100 o'clock, the escape ladder body 2 will not shake left and right.

In some embodiments of the present application, the mating protrusions 21 are mated with the mating recesses 11. Thereby, it is possible to better ensure that the escape ladder body 2 does not sway from side to side when the passenger uses the escape ladder 100.

In some embodiments of the present application, the mating projection 21 is an elastic mating projection 21. Thereby, it can be further ensured that when the escape ladder 100 is used by the passenger, the escape ladder body 2 does not shake left and right. For example, when it is necessary to use the escape ladder 100, the micro-elastic fitting protrusion 21 of the one end of the escape ladder body 2 is inserted into the fitting groove 11 of the base 1, thereby fixing the escape ladder body 2.

In some embodiments of the present application, as shown in Figures 1 and 4, the centers of the plurality of mating recesses 11 are located on the circumference of the same circle. Thereby, it is convenient to arrange a plurality of fitting grooves 11, which simplifies the processing of the base 1 and reduces the cost.

Referring to the embodiment shown in FIG. 1, the escape ladder body 2 is located radially outward of a circle in which the centers of the plurality of fitting grooves 11 are located, that is, the escape ladder body 2 is located outside the circular edge, and the rounded edge is composed of a plurality of fitting recesses. The center of the slot 11 is defined. Thereby, a larger number of fitting grooves 11 can be arranged on the base 1, so that escape on the curve can be better satisfied.

According to some embodiments of the present application, as shown in FIG. 1 , there are two matching protrusions 21 , and the one end of the escape ladder body 2 and the two matching protrusions 21 are provided with two connecting rods 22 , and two connections are provided. The rod 22 is connected in one-to-one correspondence with the two mating projections 21, and the two connecting rods 22 are spaced apart in the width direction of the escape ladder body 2. Thus, by providing the two fitting projections 21, the escape ladder body 2 can be more securely fixed to the base 1.

Here, it should be noted that the escape ladder body 2 may have a length direction and a width direction, and the length direction of the escape ladder body 2 (for example, the left and right direction in FIG. 1) may be an escape direction defined by the escape ladder body 2, the escape ladder The width direction of the body 2 (for example, the up and down direction in FIG. 1) is perpendicular to the longitudinal direction of the escape ladder body 2.

For example, in the example of FIG. 1, the two engaging projections 21 of the escape ladder body 2 are respectively inserted into the two mating recesses 11 in the phase, and the mating recessed grooves 11 are different, and the mounting direction of the escape ladder body 2 is different. It is also different, so that it can adapt to the needs of different operating angles, for example, it can flexibly adapt to corner escape.

In some embodiments of the present application, the distance between the two connecting rods 22 is gradually reduced in a direction toward the center of the base 1, as shown in FIG. Thereby, the distance between the adjacent two matching grooves 11 can be made smaller, thereby effectively reducing the occupation space of the entire escape ladder 100.

In some embodiments of the present application, referring to FIG. 1 and in conjunction with FIG. 4, the base 1 is formed with a plurality of communication slots 12 in one-to-one correspondence with the plurality of mating recesses 11. The base 1 has a side surface 10 and a side surface 10 Provided toward the escape ladder body 2, an end of each of the communication slots 12 remote from the corresponding mating recess 11 extends through the side surface 10, wherein the connecting rod 22 is adapted to fit within the communication slot 12. Thereby, by providing the communication groove 12, the escape ladder body 2 can be further firmly fixed to the base 1.

In order to facilitate passenger escape, the angle of the escape ladder body 2 and the ground should not be too large, the angle of the escape ladder body 2 should be as gentle as possible, but the escape ladder body 2 should realize the function of corner escape, in order to adapt to the small curve, the escape ladder body 2 The length of the escape ladder body 2 and the ground should be γ, where γ satisfies: 40° ≤ γ ≤ 50°.

According to some embodiments of the present application, as shown in FIGS. 2-6, a plurality of mating recesses 11 are formed in an upper portion of the base 1. For example, a plurality of fitting recesses 11 may be formed on the upper end surface of the base 1, in which case each of the fitting recesses 11 may be formed by a concave portion of the upper end surface of the base 1. Thereby, the processing process of the fitting groove 11 is further simplified, and the assembly of the fitting protrusion 21 and the fitting groove 11 is more convenient, and the escape time is saved.

According to some embodiments of the present application, the escape ladder body 2 is foldable and/or telescopic. Thus, by simplifying the structure of the escape ladder body 2, the escape time can be effectively saved. For example, using the retractable escape ladder body 2, the escape ladder body 2 can be deployed in one step.

The escape ladder adopted by the rail transit system 200, for example, a straddle monorail train, is normally closed in the body of the straddle monorail without being occupied. When the escape escape body 2 is deployed when the escape is required, the escape ladder body 2 should be easy to deploy, and the passengers can be safe and reliable in escape. The form of the escape ladder body 2 mainly has a folding type and a telescopic type, which can ensure that the structure of the escape ladder body 2 is easy to deploy, the angle of the escape ladder is convenient for the passenger to escape, and the space inside the vehicle is not occupied when being gathered.

The escape ladder 100 according to the embodiment of the present application is applicable not only to straight escape but also to corner escape, and has a wider application range.

A rail transit system 200, such as a straddle monorail train, in accordance with an embodiment of the second aspect of the present application includes a track 101, a vehicle 102, and an escape ladder 100. The escape ladder 100 is the escape ladder 100 according to the above first embodiment of the present application.

For example, as shown in FIG. 7, the vehicle 102 is seated on a track 101. The vehicle 102 has a door 1021. The base 1 of the escape ladder 100 is adapted to be mounted on the floor 1022 of the vehicle 102. The base 1 is disposed adjacent to the door 1021 to escape. The other end of the ladder body 2 (e.g., the left end in Fig. 1) is adapted to extend out of the vehicle 102 to facilitate passenger escape.

According to the rail transit system 200 of the embodiment of the present application, passenger escape can be better satisfied by employing the above-described escape ladder 100.

Other configurations and operations of the rail transit system 200 in accordance with embodiments of the present application are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. Particular features, structures, materials or features described in the examples or examples are included in at least one embodiment or example of the application. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art The scope of the present application is defined by the claims and their equivalents.

Claims

An escape ladder characterized by comprising:

a base, the base is formed with a plurality of matching grooves arranged circumferentially;

An escape ladder body, one end of the escape ladder body is provided with at least one matching protrusion, and the matching protrusion is adapted to fit in one of the plurality of the matching grooves,

The mounting direction of the escape ladder body relative to the base changes when the mating projections are mated with different mating recesses.
The escape ladder according to claim 1, wherein the engaging protrusions are spherical structures, and a contour of each of the fitting grooves is adapted to a shape of the engaging protrusions.

The inner wall surface of the matching groove is a spherical surface, and the intersection line between the plane passing through the spherical center of the spherical surface and the inner wall surface of the matching groove is a circular arc line, and the central angle of any one of the circular arc lines is greater than 180° .
The escape ladder according to claim 1 or 2, wherein a center of the plurality of fitting grooves is located on a circumference of the same circle.
The escape ladder according to claim 3, wherein the escape ladder body is located outside the circumference of the center of the plurality of the fitting grooves.
The escape ladder according to any one of claims 1 to 4, wherein the engaging protrusions are two, and one end of the escape ladder body and two of the matching protrusions are provided with two The connecting rods are connected to the two matching protrusions in a one-to-one correspondence, and the two connecting rods are spaced apart in the width direction of the escape ladder body.
The escape ladder according to claim 5, wherein the distance between the two connecting rods gradually decreases in a direction toward the center of the base.
The escape ladder according to claim 5 or 6, wherein the base is formed with a plurality of communication grooves in one-to-one correspondence with the plurality of the matching grooves, the base having a side surface, the side The surface is disposed toward the escape ladder body, and an end of each of the communication slots away from the corresponding fitting groove extends through the side surface, wherein the connecting rod is adapted to fit within the communication groove.
The escape ladder according to any one of claims 1 to 7, wherein the engaging projection is an elastic fitting projection.
The escape ladder according to any one of claims 1 to 8, characterized in that the angle between the escape ladder body and the ground is γ, wherein the γ satisfies: 40° ≤ γ ≤ 50°.
The escape ladder according to any one of claims 1 to 9, wherein a plurality of said fitting grooves are formed at an upper portion of said base.
The escape ladder according to any one of claims 1 to 10, wherein the escape ladder body is configured to be at least one of foldable and telescopic.
A rail transit system characterized by comprising:

track;

a vehicle that straddles on the track, the vehicle having a vehicle door;

An escape ladder, the escape ladder according to any one of claims 1-11, wherein the base of the escape ladder is adapted to be mounted on a floor of the vehicle when the escape, the base is adjacent to the In the door arrangement, the other end of the escape ladder body is adapted to extend out of the vehicle.