CN201460702U - Evacuation door ladder - Google Patents
Evacuation door ladder Download PDFInfo
- Publication number
- CN201460702U CN201460702U CN2009200656369U CN200920065636U CN201460702U CN 201460702 U CN201460702 U CN 201460702U CN 2009200656369 U CN2009200656369 U CN 2009200656369U CN 200920065636 U CN200920065636 U CN 200920065636U CN 201460702 U CN201460702 U CN 201460702U
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- China
- Prior art keywords
- ladder
- door ladder
- door
- bar
- hinged
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an evacuation door ladder which comprises a folding-type door ladder assembly and a handrail rod, wherein a first-stair door ladder, a second-stair door ladder and a third-stair door ladder are hinged to form the door ladder assembly; a slidewalk rotation seat assembly used for fixing a vehicle-body pillar is arranged at one end of the first-stair door ladder, the other end of the first-stair door ladder is hinged with the second-stair door ladder at a maximum angle of 240 degrees, and a connecting-rod seat fixed on a vehicle is connected to the hinge position through a connecting rod; the third-stair door ladder is hinged with the second-stair door ladder at a maximum angle of 180 degrees; and the handrail rod is hinged with a ladder beam on one side of the second-stair door ladder through a rotation seat, and elastic lock pins are arranged in each hinge position. The evacuation door ladder provided by the utility model is generally installed at the inner part of a driver's cab; when not in use, the evacuated door ladder can be folded together and furled beside a control board; and in case of an accident, the evacuated door ladder can rapidly be unfolded to form an emergent evacuation exit to ensure that passengers can escape safely.
Description
Technical field
The utility model relates to a kind of emergency evacuation equipment that is used for subway, specifically is a kind of egress door ladder.
Background technology
As the vehicles supporting emergency evacuation facility, be equipped with the egress door ladder at subway, urban rail transit vehicles, it can form passway for escaping between vehicle and ground under situation about meeting accident, guarantee that passenger safety withdraws.
The ladder type emergency evacuation door of using on the subway mainly contains two kinds of forms at present, a kind of is the ladder that is similar to fire ladder in the inner placement one of drivers' cab, during use door is opened, ladder one end lands, one end relies on the car body, ladder unfolding mode trouble can not be provided with rigidity handrail, poor stability on ladder.Another kind is that stepping type is evacuated ladder, the broad of marking time, and the about 80kg of whole ladder quality, people's inconvenient operation, the time of opening is longer, and does not have rigidity handrail, poor stability.
The utility model content
At the defective that above-mentioned prior art exists, the utility model aims to provide a kind of egress door ladder, can open fast, is convenient to urgent use, when not using, and can also convenient for collecting.Simultaneously, handrail also can be set and guarantee that further the passenger can safe escape.
For achieving the above object, the technical scheme that the utility model is taked is, a kind of egress door ladder comprises that a ladder seat, bellow framed door ladder form and bar, and wherein the door ladder is formed to be hinged by one-level door ladder, secondary door ladder and three grades of door ladders and formed; Described one-level door ladder one end is provided with and is used for forming with the fixing guidance tape rotating seat of walking of vehicle pillar, the one-level door ladder other end and secondary door ladder be maximum angle be 240 ° hinged, this hinged place also is connected with connecting rod base on being fixed in vehicle by connecting rod; Three grades of doors ladder and secondary door ladder be maximum angle be 180 ° hinged; Described bar is hinged by the terraced beam of swivel base and described secondary door ladder one side, and each hinged place is equipped with flexible lock pin.
In order to make the bar can freely adjust length, and be convenient to take in, described bar be an expansion link of being made up of bar one and bar two, hinged bar one and be socketed between its inner bar two and be set with flexible lock pin on the terraced beam of secondary door.
Put down in order to reduce a ladder, because gravity is given the impact that seat brings of door ladder, described one-level door ladder end is provided with away the guidance tape rotating seat to be formed, its with door ladder between be provided with buffer gear; Embodiment is preferably buffer spring.
Egress door ladder described in the utility model adopts three sections foldable structures according to the actual inside space of subway drivers' cab, door ladder is formed be divided into three grades, and Rotate 180 ° relatively between two or three grades of door ladders wherein stretches and afterwards becomes 60 ° of angles with ground; One-level door ladder is apart from the about 180mm of ground level, being overhang. two or three grades of door ladders draw the back in, and both form cavity, at cavity inside the rigidity handrail is set, the swivel base of handrail is arranged on the terraced beam on ladder right side, the second level, can turn clockwise 90 °, the flexible lock pin that dependence is arranged on the swivel base pins automatically. and can be whole after two or three grades of doors ladder draws in and 240 ° of the terraced relative rotations of one-level door, one-level door ladder is provided with away guidance tape rotating seat composition and links to each other with the carbody column in the end, and walking on the guidance tape rotating seat composition to be provided with buffer gear, after three grades of door ladders are all drawn in, being 90 ° with car body floor is erected in the drivers' cab, the dependence locking device pins, and with the car body relative fixed. connecting rod be by two rod members with the oscillating arm mechanisms that pin dislocation links together, when packing up ladder, two rod members can stack; When whole door ladder is put down, connecting rod is expanded to the longest position, can bear certain pulling force. connecting rod base is made up of axis of rotation and base plate, connecting rod can freely rotate around axis of rotation, and a locating slot is arranged on the axis of rotation, after connecting rod connects with connecting rod base, loading solid screw again on connecting rod compresses, just on locating slot, locating slot just can keep off trip bolt after trip bolt compresses like this, is used for preventing that connecting rod from skidding off connecting rod base in the position that guarantees trip bolt during assembling.
Egress door ladder light weight, easy to operate described in the utility model, a people can launch rapidly in 20 seconds; Be provided with the rigidity handrail, increased safety; Be provided with buffer gear, the large impact excessively that has produced when having avoided putting down rapidly; Adopt three sections foldable structures, it is little to take up room.Described egress door ladder generally is installed on drivers' cab inside, and the time spent does not fold gathering by console, can launch rapidly under situation about meeting accident, and forms a kind of emergency evacuation passage, guarantees that the passenger can safe escape.
Description of drawings
Fig. 1 is the structural representation of the described egress door ladder of embodiment deployed condition;
Fig. 2 is the structural representation of the described egress door ladder of embodiment rounding state.
In above-mentioned accompanying drawing:
1-connecting rod base 2-connecting rod 3-bar one 4-flexible lock pin 5-bar two
6-swivel base 7-ladder beam 8-buffer spring 9-walks the guidance tape rotating seat and forms 10-one-level door ladder
Three grades of door ladders of 11-secondary door ladder 12-13-locking device 14-door ladder seat
The specific embodiment
Embodiment:
As Fig. 1 and 2, present embodiment provides a kind of egress door ladder, comprises connecting rod base 1, connecting rod 2, bar 1, flexible lock pin 4, bar 25, swivel base 6, terraced beam 7, buffer spring 8, walks that the guidance tape rotating seat forms 9, locking device 13, door ladder seat 14, is made up of one- level door ladder 10,11 and three grades of door ladders 12 of secondary door ladder door ladder that forms that is hinged.Described one-level door ladder 10 1 ends are formed on 9 body posts that are fixed on the vehicle by walking the guidance tape rotating seat, and its other end and secondary door ladder 11 be maximum angle be 240 ° hinged, this hinged place also is connected with connecting rod base 1 on being fixed in vehicle by connecting rod 2; Three grades of doors ladder 12 and secondary door ladder 11 be maximum angle be 180 ° hinged; Hinged with the terraced beam 7 of described secondary door ladder one side by the bar that bar 1 and bar 25 are formed by swivel base 6.
Wherein connecting rod base 1 adopts screw to be connected on the car body, and connecting rod 2 one ends adopt pin to be connected with connecting rod base 1 and carry out fasteningly with housing screw, and the other end of connecting rod 2 is sold with terraced 10 employings of one-level door and is connected; Described one-level door ladder 10 is provided with away the guidance tape rotating seat and forms 9 in the end, and this is walked the guidance tape rotating seat and forms 9 and adopt screw to link to each other with body post; Three grades of door ladders 12, secondary door ladder 11 and one-level door ladder 10 adopt respectively to sell and are connected successively and use screw in compression.
On the ladder beam 7 of the right side of secondary door ladder 11, be provided with the swivel base 6 that is hinged with bar 25, bar 1 is collapsible in bar 25, bar after the gathering is formed the seat 6 that can rotate and is rotated counterclockwise 90 °, gathering is between 11 and three grades of door ladders 12 of secondary door ladder, and the bar composition turned clockwise 90 ° when escape ladder was opened, and relies on flexible lock pin 4 to automatically lock, then bar 1 is pulled out from bar 25, automatically lock during to the end.
The described egress door ladder of present embodiment is three sections foldable structures, can stand in after the gathering on the ladder seat 14, relies on locking device 13 the door ladder to be formed and door ladder seat 14 relative fixed.The guidance tape rotating seat of walking at one-level door ladder 10 is formed on 9, is provided with buffer spring 6 as buffer gear, the impact that produces owing to gravity when effectively avoiding the egress door ladder to put down.
Claims (5)
1. an egress door ladder is characterized in that, comprises a terraced seat, bellow framed door ladder composition and bar, and wherein bellow framed door ladder composition is hinged by one-level door ladder, secondary door ladder and three grades of door ladders and forms; Described one-level door ladder one end is provided with and is used for forming with the fixing guidance tape rotating seat of walking of vehicle pillar, the other end of one-level door ladder and secondary door ladder be maximum angle be 240 ° hinged, this hinged place also is connected with connecting rod base on being fixed in vehicle by connecting rod; Three grades of doors ladder and secondary door ladder be maximum angle be 180 ° hinged; Described bar is hinged by the terraced beam of swivel base and described secondary door ladder one side, and each hinged place is equipped with flexible lock pin.
2. according to the described egress door ladder of claim 1, it is characterized in that, described bar is a rigid telescopic bar of being made up of bar one and bar two, be articulated in the bar one on the terraced beam of secondary door ladder and be socketed between its inner bar two and be set with flexible lock pin, be placed on after the gathering between secondary door ladder and the three grades of door ladders.
3. according to claim 1 or 2 described egress door ladders, it is characterized in that walking between guidance tape rotating seat composition and the door ladder seat that described one-level door ladder end is provided with is provided with buffer gear.
4. according to the described egress door ladder of claim 3, it is characterized in that described buffer gear is a buffer spring.
5. according to the described egress door ladder of claim 1, it is characterized in that described connecting rod is the oscillating arm mechanisms that is linked together with the pin dislocation by two rod members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200656369U CN201460702U (en) | 2009-08-19 | 2009-08-19 | Evacuation door ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200656369U CN201460702U (en) | 2009-08-19 | 2009-08-19 | Evacuation door ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201460702U true CN201460702U (en) | 2010-05-12 |
Family
ID=42388056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200656369U Expired - Fee Related CN201460702U (en) | 2009-08-19 | 2009-08-19 | Evacuation door ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201460702U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162354A (en) * | 2011-01-28 | 2011-08-24 | 中国石油集团长城钻探工程有限公司 | Petroleum logging vehicle and middle compartment ladder thereof |
| CN104879161A (en) * | 2015-06-15 | 2015-09-02 | 中铁第四勘察设计院集团有限公司 | Telescopic evacuation platform stair for subway tunnel interval |
| CN106351566A (en) * | 2016-11-28 | 2017-01-25 | 零八电子集团四川红轮机械有限公司 | Cabin climbing ladder |
| CN107600091A (en) * | 2017-10-31 | 2018-01-19 | 中车资阳机车有限公司 | A kind of rolling stock rescue Emergency Ladder |
| CN108979518A (en) * | 2018-07-13 | 2018-12-11 | 南京康尼机电股份有限公司 | A kind of emergency evacuation ladder of track train, application method and track train |
| CN111509620A (en) * | 2020-04-16 | 2020-08-07 | 贵州电网有限责任公司 | Assistor is installed to earth connection |
| CN112805448A (en) * | 2018-08-16 | 2021-05-14 | 有限会社托马托不动产 | Folding pedal |
| CN113353113A (en) * | 2021-07-26 | 2021-09-07 | 中车永济电机有限公司 | Be applied to movable roof ladder of heavy duty railcar |
-
2009
- 2009-08-19 CN CN2009200656369U patent/CN201460702U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162354A (en) * | 2011-01-28 | 2011-08-24 | 中国石油集团长城钻探工程有限公司 | Petroleum logging vehicle and middle compartment ladder thereof |
| CN104879161A (en) * | 2015-06-15 | 2015-09-02 | 中铁第四勘察设计院集团有限公司 | Telescopic evacuation platform stair for subway tunnel interval |
| CN104879161B (en) * | 2015-06-15 | 2017-10-13 | 中铁第四勘察设计院集团有限公司 | A kind of telescopic evacuation platform stair interval for subway tunnel |
| CN106351566A (en) * | 2016-11-28 | 2017-01-25 | 零八电子集团四川红轮机械有限公司 | Cabin climbing ladder |
| CN106351566B (en) * | 2016-11-28 | 2018-02-27 | 零八一电子集团四川红轮机械有限公司 | Step on companion-way |
| CN107600091A (en) * | 2017-10-31 | 2018-01-19 | 中车资阳机车有限公司 | A kind of rolling stock rescue Emergency Ladder |
| CN108979518A (en) * | 2018-07-13 | 2018-12-11 | 南京康尼机电股份有限公司 | A kind of emergency evacuation ladder of track train, application method and track train |
| CN112805448A (en) * | 2018-08-16 | 2021-05-14 | 有限会社托马托不动产 | Folding pedal |
| CN111509620A (en) * | 2020-04-16 | 2020-08-07 | 贵州电网有限责任公司 | Assistor is installed to earth connection |
| CN113353113A (en) * | 2021-07-26 | 2021-09-07 | 中车永济电机有限公司 | Be applied to movable roof ladder of heavy duty railcar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHUZHOU GOFRONT EQUIPMENT CO., LTD. Free format text: FORMER NAME: ZHUZHOU JIUFANG EQUIPMENT DIE INDUSTRIAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 412000 Hunan Province, Zhuzhou Shifeng District Tianxin hi tech Park Patentee after: Zhuzhou Gofront Equipment Co., Ltd. Address before: 412000 Hunan Province, Zhuzhou Shifeng District Tianxin hi tech Park Patentee before: Zhuzhou Jiufang Equipment Die Industrial Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20170819 |