CN109955863B - Escape ladder and track traffic system with same - Google Patents
Escape ladder and track traffic system with same Download PDFInfo
- Publication number
- CN109955863B CN109955863B CN201711402203.3A CN201711402203A CN109955863B CN 109955863 B CN109955863 B CN 109955863B CN 201711402203 A CN201711402203 A CN 201711402203A CN 109955863 B CN109955863 B CN 109955863B
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- Prior art keywords
- escape ladder
- matching
- escape
- base
- ladder body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D23/00—Construction of steps for railway vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D23/00—Construction of steps for railway vehicles
- B61D23/02—Folding steps for railway vehicles, e.g. hand or mechanically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D19/00—Door arrangements specially adapted for rail vehicles
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses an escape ladder and a rail transit system with the same, wherein the escape ladder comprises: the base is provided with a plurality of matching grooves which are circumferentially arranged at intervals; the escape ladder comprises an escape ladder body, wherein one end of the escape ladder body is provided with at least one matching protrusion, the matching protrusion is suitable for being matched in one of the matching grooves, and when the matching protrusion is matched with the matching groove, the installation direction of the escape ladder body relative to the base is changed. According to the escape ladder disclosed by the invention, the plurality of matching grooves which are circumferentially arranged at intervals are arranged on the base, and the matching protrusions at one end of the escape ladder body are matched in the corresponding matching grooves according to actual conditions, so that the escape ladder has better adaptability and flexibility and can better meet the requirement of passengers for escape.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an escape ladder and a rail transit system with the same.
Background
In the related art, the base of the escape ladder is fixed, and the escape ladder body is not rotatable or movable, so that the escape ladder body can only extend in one direction, and generally only can escape on a straight road.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an escape ladder, which has better adaptability and flexibility and can better meet the requirement of passengers for escaping.
The invention also provides a rail transit system with the escape ladder.
An escape ladder according to an embodiment of the first aspect of the invention comprises: the base is provided with a plurality of matching grooves which are circumferentially arranged at intervals; the escape ladder comprises an escape ladder body, wherein one end of the escape ladder body is provided with at least one matching protrusion, the matching protrusion is suitable for being matched in one of the matching grooves, and when the matching protrusion is matched with the matching groove, the installation direction of the escape ladder body relative to the base is changed.
According to the escape ladder provided by the embodiment of the invention, the plurality of matching grooves are formed in the base at intervals in the circumferential direction, and the matching protrusions at one end of the escape ladder body are matched in the corresponding matching grooves according to actual conditions, so that the escape ladder has better adaptability and flexibility and can better meet the requirement of passengers for escape.
According to some embodiments of the present invention, the fitting protrusion has a spherical structure, the shape of the inner wall surface of each of the fitting grooves is adapted to the shape of the fitting protrusion, and the central angle of the fitting groove is greater than 180 ° in the cross section of each of the fitting grooves.
According to some embodiments of the invention, the centers of the plurality of the fitting grooves are located on the circumference of the same circle.
According to some embodiments of the invention, the center of the circle where the centers of the plurality of matching grooves are located is located on one side far away from the escape ladder body.
According to some embodiments of the invention, the number of the matching protrusions is two, two connecting rods are arranged between one end of the escape ladder body and the two matching protrusions, the two connecting rods and the two matching protrusions are correspondingly connected one by one, and the two connecting rods are arranged at intervals in the width direction of the escape ladder body.
According to some embodiments of the invention, the distance between two of the connecting rods decreases gradually in a direction toward the center of the base.
According to some embodiments of the present invention, the base is formed with a plurality of communicating grooves communicating with the plurality of fitting grooves in a one-to-one correspondence, and a free end of each communicating groove penetrates through a side surface of the base facing the escape ladder body, wherein the connecting rod is adapted to be fitted in the communicating groove.
According to some embodiments of the invention, the mating protrusion is a resilient mating protrusion.
According to some embodiments of the invention, the angle between the escape ladder body and the ground is α, wherein α satisfies: alpha is more than or equal to 40 degrees and less than or equal to 50 degrees.
According to some embodiments of the invention, a plurality of the fitting grooves are formed on an upper end surface of the base.
According to some embodiments of the invention, the escape ladder body is foldable and/or retractable.
The rail transit system according to the embodiment of the second aspect of the invention comprises: a track; a vehicle straddle seated on the track, the vehicle having a door; the base of the escape ladder is suitable for being installed on the floor of the vehicle during escape, the base is arranged close to the vehicle door, and the other end of the escape ladder body is suitable for extending out of the vehicle.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of an escape ladder according to an embodiment of the present invention;
fig. 2 is a side view of the escape ladder shown in fig. 1;
fig. 3 is a partial sectional view of an escape ladder according to an embodiment of the present invention;
FIG. 4 is a schematic view of a base according to an embodiment of the invention;
FIG. 5 is a cross-sectional view of the base shown in FIG. 4;
fig. 6 is a side view of the base shown in fig. 4.
Reference numerals:
1: a base; 11: a mating groove; 12: a communicating groove;
2: an escape ladder body; 21: a mating protrusion; 22: a connecting rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An escape ladder according to an embodiment of the present invention will be described with reference to fig. 1 to 6. The escape ladder can be applied to a rail transit system such as a light rail, which can include a straddle monorail train or the like. In the following description of the present application, an escape ladder will be described as an example of application to a straddle monorail car. Of course, it will be understood by those skilled in the art that the escape ladder may also be applied to subways and the like.
As shown in fig. 1 to 6, the escape ladder according to the embodiment of the first aspect of the present invention includes a base 1 and an escape ladder body 2.
A plurality of matching grooves 11 are formed on the base 1 at intervals in the circumferential direction, and at least one matching protrusion 21 is arranged at one end (for example, the right end in fig. 1 and 2) of the escape ladder body 2, and the matching protrusion 21 is adapted to be matched in one of the matching grooves 11. When the fitting projection 21 is fitted into the different fitting groove 11, the installation direction of the escape ladder body 2 with respect to the base 1 is changed.
When the escape ladder is applied to a rail transit system such as a straddle-type monorail train, the base 1 can be fixedly connected to the floor of the straddle-type monorail train, a plurality of matching grooves 11 which are circumferentially spaced are arranged on the base 1, matching protrusions 21 at the one end of the escape ladder body 2 can be matched with the matching grooves 11 on the base 1 according to the actual stopping position of the straddle-type monorail train, and therefore when the matching protrusions 21 on the escape ladder body 2 are matched with the matching grooves 11 which are different on the base 1, the installation direction of the escape ladder body 2 can be changed to adapt to different curve radiuses.
Specifically, for example, when the straddle type monorail train needs to escape at a curve, the matching protrusion 21 on the escape ladder body 2 can be matched with the corresponding matching groove 11 on the base 1 along with the difference of the radius of the curve so as to adapt to the curve, so that the escape of passengers can be met at the curve; when meeting the condition that a straddle type monorail train needs to escape at a straight road, the matching protrusion 21 on the escape ladder body 2 can be matched with the corresponding matching groove 11 on the base 1 well, so that passengers can escape on the straight road.
According to the escape ladder provided by the embodiment of the invention, the plurality of matching grooves 11 which are circumferentially arranged at intervals are arranged on the base 1, and the matching protrusions 21 at one end of the escape ladder body 2 are matched in the corresponding matching grooves 11 according to actual conditions, so that the escape ladder has better adaptability and flexibility and can better meet the requirement of passengers for escape.
According to some embodiments of the present invention, referring to fig. 1 to 3 in combination with fig. 4 to 6, the fitting protrusion 21 is a spherical structure, the shape of the inner wall surface of each fitting groove 11 is adapted to the shape of the fitting protrusion 21, and the central angle α of each fitting groove 11 in the cross section of the fitting groove 11 is greater than 180 °. Each of the fitting grooves 11 penetrates the upper surface of the base 1 at this time, and each of the fitting grooves 11 is formed substantially as a part of a sphere having a central angle α of more than 180 ° in a cross section of the fitting groove 11 passing through the center thereof, as shown in fig. 3 and 5. From this, through setting up cooperation arch 21 to spherical structure, and make the shape of the internal face of cooperation recess 11 and the shape looks adaptation of the surface of cooperation arch 21, after cooperation arch 21 targets in place with the cooperation recess 11 cooperation, cooperation arch 21 can rotate certain angle for cooperation recess 11 to can adapt to the bend better, and then can satisfy the passenger better and flee. Moreover, the central angle of the matching groove 11 is larger than 180 degrees through setting, after the matching protrusion 21 and the matching groove 11 are matched in place, the matching protrusion 21 is not easy to be separated from the matching groove 11, and therefore the escape ladder body 2 is effectively prevented from shaking left and right when a passenger uses the escape ladder.
Preferably, the fitting protrusion 21 is tightly fitted with the fitting groove 11. Therefore, the escape ladder body 2 can be better ensured not to shake left and right when the passenger uses the escape ladder.
Optionally, the mating protrusion 21 is a resilient mating protrusion 21. Therefore, the escape ladder body 2 can be further ensured not to shake left and right when the passenger uses the escape ladder. For example, when the escape ladder is required to be used, the fitting projection 21 having slight elasticity of the above-mentioned 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.
Further, as shown in fig. 1 and 4, the centers of the plurality of fitting grooves 11 are located on the circumference of the same circle. Therefore, the plurality of matching grooves 11 are convenient to arrange, the processing technology of the base 1 is simplified, and the cost is reduced.
Further, referring to fig. 1, the center of a circle where the centers of the plurality of fitting grooves 11 are located is located at a side far from the escape ladder body 2. Therefore, the base 1 can be provided with a large number of matching grooves 11, so that escape on a curved road can be better met.
According to some embodiments of the present invention, as shown in fig. 1, there are two fitting protrusions 21, two connecting rods 22 are provided between the one end of the escape ladder body 2 and the two fitting protrusions 21, the two connecting rods 22 are connected to the two fitting protrusions 21 in one-to-one correspondence, and the two connecting rods 22 are provided at intervals in the width direction of the escape ladder body 2. Thus, by providing the two engaging protrusions 21, the escape ladder body 2 can be more firmly fixed to the base 1.
For example, in the example of fig. 1, two matching protrusions 21 of the escape ladder body 2 are respectively plugged into two matching grooves 11 at intervals, the plugged matching grooves 11 are different, and the installation direction of the escape ladder body 2 is also different, so that the requirements of different operation angles can be met, for example, the escape ladder can flexibly meet the requirements of curve escape.
Alternatively, the distance between the two connecting rods 22 decreases gradually in a direction toward the center of the base 1, as shown in fig. 1. Therefore, the distance between two adjacent matching grooves 11 can be smaller, so that the occupied space of the whole escape ladder is effectively reduced.
Further, referring to fig. 1 in combination with fig. 4, the base 1 is formed with a plurality of communicating grooves 12 communicating with the plurality of fitting grooves 11 in a one-to-one correspondence, and a free end of each communicating groove 12 penetrates through a side surface of the base 1 facing the escape ladder body 2, wherein the connecting bar 22 is adapted to be fitted in the communicating groove 12. Thus, the escape ladder body 2 can be further firmly fixed to the base 1 by providing the communication groove 12.
For the convenience of passenger flees, the angle that escape ladder body 2 and ground become can not be too big, and 2 angles of escape ladder body should be gentle as far as possible, but escape ladder body 2 will realize the function that the bend was fleed, and in order to adapt to little bend, the length of escape ladder body 2 can not be too long, and the comprehensive consideration, contained angle between escape ladder body 2 and the ground is alpha, and wherein alpha satisfies: alpha is more than or equal to 40 degrees and less than or equal to 50 degrees.
According to some embodiments of the present invention, as shown in fig. 2 to 6, a plurality of fitting grooves 11 are formed on the upper end surface of the base 1. Therefore, the processing technology of the matching groove 11 is further simplified, the matching protrusion 21 and the matching groove 11 are more convenient to assemble, and the escape time is saved.
According to some embodiments of the present invention, the escape ladder body 2 is foldable and/or retractable. Therefore, the escape time can be effectively saved by simplifying the structure of the escape ladder body 2. For example, with the retractable escape ladder body 2, only one step is required to deploy the escape ladder body 2.
When the escape ladder adopted by a rail transit system such as a straddle-type monorail train is not used at ordinary times, the escape ladder is folded in the body of the straddle-type monorail train, and does not occupy space. When the escape ladder body 2 needs to be unfolded, the escape ladder body 2 is easy to unfold, and the safety and the reliable performance of passengers during escape can be ensured. The escape ladder body 2 mainly has a folding type and a telescopic type, the structure of the escape ladder body 2 can be ensured to be easily unfolded, the angle of the escape ladder is convenient for passengers to escape, and the space in a vehicle is not occupied when the escape ladder is folded.
The escape ladder provided by the embodiment of the invention is not only suitable for straight escape, but also suitable for curve escape, and has a wider application range.
A rail transit system, such as a straddle monorail train, according to a second aspect of the present invention comprises a rail, a vehicle and an escape ladder. Wherein the escape ladder is an escape ladder according to an embodiment of the above first aspect of the invention.
Specifically, the vehicle straddles a track, the vehicle having a door. The base of the escape ladder is adapted to be mounted on the floor of the vehicle during escape, the base is disposed adjacent to the door, and the other end (e.g., the left end in fig. 1) of the escape ladder body is adapted to extend outside the vehicle to facilitate escape of passengers.
According to the rail transit system provided by the embodiment of the invention, the escape ladder is adopted, so that passengers can better escape.
Other constructions and operations of the rail transit system according to embodiments of the invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. An escape ladder for a rail transit system including a track and a vehicle straddling the track, comprising:
the base is provided with a plurality of matching grooves which are circumferentially arranged at intervals, the centers of the matching grooves are positioned on the circumference of the same circle, and the base is provided with communicating grooves which are communicated with the matching grooves in a one-to-one correspondence manner;
the escape ladder comprises an escape ladder body, wherein one end of the escape ladder body is provided with two matching bulges, the matching bulges are suitable for being matched in one of the matching grooves, two connecting rods are arranged between one end of the escape ladder body and the two matching bulges, the two connecting rods are connected with the two matching bulges in a one-to-one correspondence manner, the two connecting rods are arranged at intervals in the width direction of the escape ladder body, the distance between the two connecting rods is gradually reduced along the direction towards the center of the base, the free end of each communicating groove penetrates through the surface of one side of the base towards the escape ladder body, and the connecting rods are suitable for being matched in the communicating grooves,
when the matching protrusions are matched with different matching grooves, the installation direction of the escape ladder body relative to the base is changed.
2. The escape ladder for a track transportation system of claim 1, wherein the engaging protrusions are spherical structures,
the shape of the inner wall surface of each matching groove is matched with the shape of the matching protrusion, and the central angle of each matching groove on the cross section of each matching groove is larger than 180 degrees.
3. The escape ladder for a track transportation system of claim 1, wherein the center of a circle in which the centers of the plurality of fitting grooves are located is located at a side away from the escape ladder body.
4. The escape ladder for a track transportation system of claim 1, wherein the engaging protrusion is an elastic engaging protrusion.
5. The escape ladder for a track transportation system of claim 1, wherein the angle between the escape ladder body and the ground is α, wherein α satisfies: alpha is more than or equal to 40 degrees and less than or equal to 50 degrees.
6. The escape ladder for a track transit system of claim 1, wherein a plurality of the fitting grooves are formed on an upper end surface of the base.
7. The escape ladder for a rail transit system of claim 1, wherein the escape ladder body is foldable and/or retractable.
8. A rail transit system, comprising:
a track;
a vehicle straddle seated on the track, the vehicle having a door;
an escape ladder for a rail transit system according to any one of claims 1 to 7, wherein the base of the escape ladder is adapted to be mounted on the floor of the vehicle during escape, the base is disposed adjacent to the door, and the other end of the escape ladder body is adapted to extend outside the vehicle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402203.3A CN109955863B (en) | 2017-12-22 | 2017-12-22 | Escape ladder and track traffic system with same |
| PCT/CN2018/122527 WO2019120268A1 (en) | 2017-12-22 | 2018-12-21 | Escape ladder and rail transit system having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402203.3A CN109955863B (en) | 2017-12-22 | 2017-12-22 | Escape ladder and track traffic system with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109955863A CN109955863A (en) | 2019-07-02 |
| CN109955863B true CN109955863B (en) | 2021-01-01 |
Family
ID=66994431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711402203.3A Active CN109955863B (en) | 2017-12-22 | 2017-12-22 | Escape ladder and track traffic system with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109955863B (en) |
| WO (1) | WO2019120268A1 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442685Y (en) * | 2000-09-15 | 2001-08-15 | 陈良诚 | Folding spiral-tube escaping ladder |
| GB2409195A (en) * | 2003-12-19 | 2005-06-22 | Bombardier Transp Gmbh | Detrainment device for a rail vehicle |
| KR100785593B1 (en) * | 2006-07-27 | 2007-12-13 | 현대로템 주식회사 | Magnetic levitation train emergency escape ladder |
| TWM362894U (en) * | 2009-04-10 | 2009-08-11 | xiang-cheng Liu | Elevating and rotating mechanism for retractable ladder |
| JP5751855B2 (en) * | 2011-02-18 | 2015-07-22 | 株式会社総合車両製作所 | Emergency exit for vehicles |
| JP2017133225A (en) * | 2016-01-27 | 2017-08-03 | 株式会社成田製作所 | Installation device |
| CN205905984U (en) * | 2016-07-15 | 2017-01-25 | 中铁第四勘察设计院集团有限公司 | Ride on formula monorail and evacuation system |
| CN206053833U (en) * | 2016-08-31 | 2017-03-29 | 上海金盾特种车辆装备有限公司 | A kind of rotary extension ladder |
| CN107448136A (en) * | 2017-10-11 | 2017-12-08 | 长治市潞安合力机械有限责任公司 | A kind of monorail crane head, which carries, can hide ladder |
-
2017
- 2017-12-22 CN CN201711402203.3A patent/CN109955863B/en active Active
-
2018
- 2018-12-21 WO PCT/CN2018/122527 patent/WO2019120268A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN109955863A (en) | 2019-07-02 |
| WO2019120268A1 (en) | 2019-06-27 |
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