CN109159791B - Novel door ladder integrated mechanism for urban rail vehicle - Google Patents
Novel door ladder integrated mechanism for urban rail vehicle Download PDFInfo
- Publication number
- CN109159791B CN109159791B CN201811207482.2A CN201811207482A CN109159791B CN 109159791 B CN109159791 B CN 109159791B CN 201811207482 A CN201811207482 A CN 201811207482A CN 109159791 B CN109159791 B CN 109159791B
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- China
- Prior art keywords
- pedal
- door
- bearing rod
- air spring
- recovery rope
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000004804 winding Methods 0.000 claims abstract description 29
- 238000011084 recovery Methods 0.000 claims description 39
- 238000013016 damping Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- B61D19/003—Door arrangements specially adapted for rail vehicles characterised by the movements of the door
-
- 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
- B61D19/023—Emergency exits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses a novel door ladder integrated mechanism for urban rail vehicles, which comprises a door leaf, a primary pedal, a secondary pedal and a shrinkage pedal, wherein one end of the primary pedal is connected with the secondary pedal through a hinge, the other end of the primary pedal is connected with an air spring I, the end part of the air spring I is fixed in a vehicle head, a sliding groove is arranged in the free end of the secondary pedal, the shrinkage pedal is positioned in the sliding groove of the secondary pedal, the shrinkage pedal can slide out or retract from the secondary pedal, and the door leaf is positioned at the outer side of the secondary pedal and fixedly connected with the secondary door plate. The invention has simple structure, simple and quick operation when in use, no need of arranging an escape ladder independently, reduced space occupation, shortened time for winding and unwinding the escape ladder, safety and reliability.
Description
Technical Field
The invention relates to a novel door ladder integrated mechanism for urban rail vehicles, which is mainly applied to an emergency evacuation platform of the urban rail vehicles in rail transit and is used for passengers in the urban rail vehicles to escape.
Background
The conventional urban rail vehicle emergency front door and escape ramp are composed of two parts. Mainly, two types are classified. One is a combination of an upturned escape door and a downturned escape ladder or escape ramp. And secondly, the combination of the escape door which is opened by side swing and the downward turning escape ramp. The traditional mechanisms have the advantages of more parts, long production and manufacturing period, high cost, complicated operation steps of escape mechanisms and occupation of larger space inside the head of urban rail vehicles by escape ladders (or escape ramps).
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a novel door ladder integrated mechanism for urban rail vehicles.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a city rail vehicle is with novel ladder integrated mechanism, includes door leaf, one-level footboard, second grade footboard and shrink footboard, the one end of one-level footboard pass through the hinge with the second grade footboard is connected, one-level footboard other end connection air spring is first, the tip of air spring is first is fixed in the locomotive, be equipped with the spout in the free end of second grade footboard, the shrink footboard is located in the spout of second grade footboard, the shrink footboard can follow second grade footboard and slide out or retract, the door leaf be located the outside of second grade footboard and with second grade door plant fixed connection.
Preferably, the second-stage pedal is further provided with a first recovery rope, one end of the first recovery rope is fixed on the second-stage pedal, the other end of the first recovery rope is wound on a winding drum device, and the winding drum device is installed in the vehicle head.
Preferably, the winding drum device comprises a winding drum housing, a mounting shaft, a pawl, a ratchet wheel, two winding drums and a pull rod, wherein the ratchet wheel and the winding drums are mounted on the mounting shaft and can rotate around the mounting shaft, the winding drum housing is arranged on the outer side of the ratchet wheel, the two winding drums are respectively positioned at two ends of the ratchet wheel and fixedly connected with the ratchet wheel, the pawl is positioned on one side of the ratchet wheel, the pawl is rotatably mounted on the winding drum housing, the pull rod is mounted on the winding drum housing through a support, one end of the support is fixed on the winding drum housing, the middle part of the pull rod is rotatably connected with the free end of the support, and one end of the pull rod is in transmission connection with the pawl.
Preferably, a hook is arranged on the inner side of the secondary pedal, a hanging shaft is arranged in the vehicle head, and when the secondary pedal is retracted, the hook is hung on the hanging shaft.
Preferably, the second pedal is further provided with a second recovery rope, one end of the second recovery rope is fixedly connected with the second pedal, the other end of the second recovery rope is fixed on the door frame, the connection position of the first recovery rope and the second pedal is close to one side of the second pedal, which is provided with the shrinkage pedal, and the connection position of the second recovery rope and the second pedal is close to one side of the second pedal, which is connected with the first pedal.
Preferably, the bicycle further comprises a first bearing rod and a second bearing rod, one end of the first bearing rod is connected with a door frame on the bicycle head, the other end of the first bearing rod is connected with the second bearing rod through a bearing rod connector, and the end of the second bearing rod is connected with the second pedal.
Preferably, the second-stage pedal is provided with a first support and a second support, the first support is connected with an air spring II, the air spring II is connected with a bearing rod III, the second support is connected with a bearing rod IV, and the bearing rod II, the bearing rod III and the bearing rod IV are all connected with a connecting rod joint.
Preferably, the secondary pedal is further provided with a damping-variable air spring, one end of the damping-variable air spring is fixed below the door frame, and the other end of the damping-variable air spring is connected with one end, close to the primary pedal, of the secondary pedal.
Preferably, the first protection plates are arranged on two sides of the primary pedal, and the second protection plates are arranged on two sides of the secondary pedal.
Preferably, one end of the first air spring is fixed in the vehicle head through a joint, and the other end of the first air spring is connected with the first-stage pedal through a third support.
The beneficial effects of the invention are as follows:
the door leaf is arranged on the outer side of the secondary pedal, the escape door and the escape ladder are combined into a whole, the door can be opened by downwards overturning the secondary pedal, the downwards overturned secondary pedal can be used as the escape ladder, the door leaf is provided with a frame, and the secondary pedal is used as the frame of the door leaf. This allows the overall thickness of the door ladder mechanism to be minimized. The invention has simple structure, simple and quick operation when in use, no need of arranging an escape ladder independently, reduced space occupation, shortened time for winding and unwinding the escape ladder, safety and reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a state diagram of the door leaf according to the invention when deployed;
fig. 4 is a state diagram of the door leaf of the present invention when closed;
FIG. 5 is a side view of the spool arrangement as it is being retracted and extended;
FIG. 6 is a front view of the reel unit as it is being retracted and extended;
FIG. 7 is a side view of the spool arrangement during braking;
FIG. 8 is a front view of the spool arrangement when braked;
fig. 9 is a schematic view of the relative positions of the hook and the hanger shaft when the door leaf is closed.
List of reference numerals:
1-rail surface; 2-retracting the pedal; 3-hooking; 4-a first support; 5-an air spring II; 6-a second support; 7-a bearing rod III; 8-a bearing rod IV; 9-a connecting rod joint; 10-a secondary pedal; 11-door leaf; 12-a second protection plate; 13-a second bearing rod; 14-recovering the first rope; 15-carrier bar joint; 16-a support IV; 17 carrying a first rod; 18-recovering the second rope; 19-hinges; 20-protecting plate I; 21-a first-level pedal; 22-a spool enclosure; 23-pawl; 24-ratchet wheel; 25-a third support; 26-air spring one; 27-linker; 28-winding rope reel; 29-hanging shaft; 30-pulling a rod; 31-a mounting base; 32-door frame; 33-headstock; 34-variable damping air spring.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
as shown in fig. 1 to 4, the novel door ladder integrated mechanism for the urban rail vehicle comprises a door leaf 11, a primary pedal 21, a secondary pedal 10 and a shrinkage pedal 2, wherein one end of the primary pedal 21 is connected with the secondary pedal 10 through a hinge 19, the other end of the primary pedal 21 is connected with an air spring 26, the end part of the air spring 26 is fixed in a headstock 33, a sliding groove is formed in the free end of the secondary pedal 10, the shrinkage pedal 2 is positioned in the sliding groove of the secondary pedal 10, the shrinkage pedal 2 can slide out or retract from the secondary pedal 10, after the secondary pedal 10 is unfolded in place, the primary pedal 21, the secondary pedal 10 and the shrinkage pedal 2 form a gradient, and passengers walk to the rail surface 1 from the secondary pedal 10 and the shrinkage pedal 2 with fixed gradients to escape safely. The retracting pedal 2 is used as a transition pedal between the secondary pedal 10 and the rail surface 1, so that passengers can more safely and comfortably walk from the pedal to the rail surface 1. The door leaf 11 is positioned on the outer side of the secondary pedal 10 and fixedly connected with the secondary door plate. The door 11 is free from a frame, and the secondary step 10 is used as a frame of the door 11. The secondary step 10 and the door leaf 11 are fixed together so that the overall thickness of the door ladder mechanism can be reduced to the maximum.
The secondary pedal 10 is also provided with a first recovery rope 14, one end of the first recovery rope 14 is fixed on the secondary pedal 10, the other end is wound on a winding drum device, and the winding drum device is arranged in a headstock 33.
As shown in fig. 5 to 8, the spool device includes a spool housing 22, a mounting shaft, a pawl 23, a ratchet 24, two spools 28 and a pull rod 30, the ratchet 24 and the spools 28 are both mounted on the mounting shaft and can rotate around the mounting shaft, the spool housing 22 is covered on the outer side of the ratchet 24, the two spools 28 are respectively positioned at two ends of the ratchet 24 and fixedly connected with the ratchet 24, the pawl 23 is positioned at one side of the ratchet 24, the pawl 23 is rotatably mounted on the spool housing 22, the pull rod 30 is mounted on the spool housing 22 through a bracket, one end of the bracket is fixed on the spool housing 22, the middle of the pull rod 30 is rotatably connected with the free end of the bracket, and one end of the pull rod 30 is in transmission connection with the pawl 23.
When the reel device is braked, namely the recovery rope one 14 cannot work: the pawl 23 holds the ratchet wheel 24, and the ratchet wheel 24 cannot rotate about its mounting shaft. The mounting shaft is fixed within the head 33. At this time, the rope winding disc cannot work, the first recovery rope 14 is not retracted, and the pull rod 30 is in the horizontal position. When the pull rod 30 is pushed upward, the pull rod 30 drives the pawl 23 to swing downward and disengage from the thrust surface on the ratchet 24. At this time, the ratchet wheel 24 can rotate to work, and the rope winding disc drives the first recovery rope 14 to work. The spool device is mounted in an upper position within the headstock 33.
As shown in fig. 9, a hook 3 is provided on the inner side of the secondary pedal 10, a hanging shaft 29 is provided in a head 33, and when the secondary pedal 10 is retracted, the hook 3 is hung on the hanging shaft 29. When the primary pedal 21 drives the secondary pedal 10 to push out horizontally to the outside of the headstock 33, the hook 3 on the secondary pedal 10 is separated from the hanging shaft 29 in a rotating way. At this time, the door ladder mechanism can be turned over downwards to be unfolded. When the first recovery rope 14 pulls the door ladder mechanism to be closed, the hook 3 on the secondary pedal 10 slides onto the hanging shaft 29. The first air spring 26 then horizontally retrieves the door step mechanism into the head 33, and the door step mechanism is lifted upward in the height direction of the door frame 32. At this time, the hook 3 is firmly hung on the hanging shaft 29, and the door ladder mechanism is retracted.
The second-stage pedal 10 is also provided with a second recovery rope 18, one end of the second recovery rope 18 is fixedly connected with the second-stage pedal 10, the other end of the second recovery rope 18 is fixed on a door frame 32, the second-stage pedal 10 is provided with a fourth support 16, and the second recovery rope 18 is connected with the second-stage pedal 10 through the fourth support 16. The connection position of the first recovery rope 14 and the second pedal 10 is close to the side of the second pedal 10 where the contraction pedal 2 is arranged, and the connection position of the second recovery rope 18 and the second pedal 10 is close to the side of the second pedal 10 where the first pedal 21 is connected.
The first recovery rope 14 carries the door ladder mechanism to turn downwards. The hinge 19 carries the weight of the secondary pedal 10. The recovery rope II 18 has the following functions: after the first recovery rope 14 recovers the door ladder mechanism towards the direction of the head 33 and the hanging shaft 29 is firmly hung on the hanging hook 3 on the second-stage pedal 10, the second recovery rope 18 pulls the second-stage pedal 10, and then the door ladder mechanism is recovered towards the head 33 and is completely pulled in place. The first recovery rope 14 and the second recovery rope 18 are made of steel wires.
The invention also comprises a first bearing rod 17 and a second bearing rod 13, wherein one end of the first bearing rod 17 is connected with a door frame 32 of a vehicle head 33, the other end of the first bearing rod 17 is connected with the second bearing rod 13 through a bearing rod joint 15, and the end part of the second bearing rod 13 is connected with the second pedal 10.
The second-stage pedal 10 is provided with a first support 4 and a second support 6, the first support 4 is connected with a second air spring 5, the second air spring 5 is connected with a third bearing rod 7, the second support 6 is connected with a fourth bearing rod 8, and a second bearing rod 13, a third bearing rod 7 and a fourth bearing rod 8 are all connected with a connecting rod joint 9. When the door ladder mechanism is unfolded, the air springs II 5 drive the bearing rods to pull the door ladder mechanism to a preset angle position, and the door ladder mechanism is in a static state.
The secondary pedal 10 is also provided with a variable damping air spring 34, one end of the variable damping air spring 34 is fixed below the door frame 32, and the other end is connected with one end of the secondary pedal 10 close to the primary pedal 21. The secondary pedal 10 is provided with a mounting seat 31, and the end part of the damping-variable air spring 34 is mounted on the mounting seat 31. The variable damping air spring 34 supports the secondary pedal 10 to a predetermined angular position as the first retrieval line 14 lowers the door ladder mechanism to deploy. After the variable damping air spring 34 supports the secondary pedal 10 in place, the primary pedal 21 and the secondary pedal 10 form a preset gradient. The speed of the expansion of the variable damping air spring 34 for supporting the secondary pedal 10 is changed from high to low, and the variable damping air spring 34 plays a role in generating a supporting force and buffering of downward overturning during the expansion of the secondary pedal 10. When the door ladder mechanism is retracted, the variable damping air spring 34 is compressed into the door frame 32. After the door ladder mechanism is fully retracted, the variable damping air spring 34 is placed upright within the door frame 32.
The two sides of the primary pedal 21 are provided with a first protection plate 20, and the two sides of the secondary pedal 10 are provided with a second protection plate 12. The protection plates one 20 and two 12 have the functions of: when passengers are in emergency evacuation from the head 33 to the rail surface 1, the two sides of the passenger in the walking direction can be effectively protected, and the passengers are prevented from falling off from the primary pedal 21 and the secondary pedal 10. The first bearing rod 17 and the second bearing rod 13 can also play a role of handrails for passengers to walk towards the rail surface 1.
One end of the air spring I26 is connected with the primary pedal 21 through a support III 25. The other end of the air spring I26 is connected with a joint 27, and the joint 27 is fixed inside the headstock 33. The primary pedal 21 and the secondary pedal 10 are connected through a hinge 19. The air spring one 26 releases the pressure to push the first pedal horizontally out of the head 33.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (7)
1. The novel door ladder integrated mechanism for the urban rail vehicle is characterized by comprising a door leaf, a primary pedal, a secondary pedal and a shrinkage pedal, wherein one end of the primary pedal is connected with the secondary pedal through a hinge, the other end of the primary pedal is connected with an air spring I, the end part of the air spring I is fixed in a vehicle head, a sliding groove is arranged in the free end of the secondary pedal, the shrinkage pedal is positioned in the sliding groove of the secondary pedal, the shrinkage pedal can slide out or retract from the secondary pedal, the door leaf is positioned on the outer side of the secondary pedal and is fixedly connected with the secondary pedal, a frame is removed from the door leaf, and the secondary pedal is used as the frame of the door leaf; the second-stage pedal and the door leaf are fixed together and used for reducing the overall thickness of the door ladder mechanism to the greatest extent;
the second-stage pedal is also provided with a first recovery rope, one end of the first recovery rope is fixed on the second-stage pedal, the other end of the first recovery rope is wound on a winding drum device, and the winding drum device is arranged in a vehicle head; the inner side of the secondary pedal is provided with a hook, a hanging shaft is arranged in the headstock, and when the secondary pedal is retracted, the hook is hung on the hanging shaft;
when the primary pedal drives the secondary pedal to push out horizontally outside the vehicle head, the hook on the secondary pedal is separated from the hanging shaft in a rotating way; at the moment, the door ladder mechanism can be turned downwards to be unfolded; when the recovery rope one pulls the door ladder mechanism to be closed, the recovery rope one bears the door ladder mechanism to overturn downwards; the hinge bears the gravity of the secondary pedal; the hook on the second-stage pedal slides to the hanging shaft; the air spring horizontally recovers the door ladder mechanism into the headstock again and again, and the door ladder mechanism is lifted upwards in the height direction of the door frame; at this time, the hook is firmly hung on the hanging shaft, and the door ladder mechanism is recovered to the position;
the second pedal is also provided with a second recovery rope, one end of the second recovery rope is fixedly connected with the second pedal, the other end of the second recovery rope is fixed on the door frame, the connection position of the first recovery rope and the second pedal is close to one side of the second pedal, which is provided with a shrinkage pedal, and the connection position of the second recovery rope and the second pedal is close to one side of the second pedal, which is connected with the first pedal;
the second recovery rope has the following functions: after the first recovery rope recovers the door ladder mechanism towards the direction of the vehicle head and the hanging shaft is firmly hung on the hanging hook on the second-stage pedal, the second recovery rope pulls the second-stage pedal, and then the door ladder mechanism is recovered towards the direction of the vehicle head and is completely pulled in place.
2. The novel door ladder integrated mechanism for the urban rail vehicle according to claim 1, wherein the winding drum device comprises a winding drum housing, a mounting shaft, a pawl, a ratchet wheel, two winding drums and a pull rod, wherein the ratchet wheel and the winding drums are both mounted on the mounting shaft and can rotate around the mounting shaft, the winding drum housing is arranged on the outer side of the ratchet wheel, the two winding drums are respectively arranged at two ends of the ratchet wheel and fixedly connected with the ratchet wheel, the pawl is arranged on one side of the ratchet wheel, the pawl is rotatably mounted on the winding drum housing, the pull rod is mounted on the winding drum housing through a support, one end of the support is fixed on the winding drum housing, the middle part of the pull rod is rotatably connected with the free end of the support, and one end of the pull rod is in transmission connection with the pawl.
3. The novel door ladder integrated mechanism for the urban rail vehicle according to claim 1, further comprising a first bearing rod and a second bearing rod, wherein one end of the first bearing rod is connected with a door frame on a vehicle head, the other end of the first bearing rod is connected with the second bearing rod through a bearing rod joint, and the end of the second bearing rod is connected with the second pedal.
4. The novel door ladder integrated mechanism for the urban rail vehicle according to claim 3, wherein the first support and the second support are arranged on the second-stage pedal, the first support is connected with the second air spring, the second air spring is connected with the third bearing rod, the fourth bearing rod is connected to the second support, and the second bearing rod, the third bearing rod and the fourth bearing rod are all connected with the connecting rod joint.
5. The novel door ladder integrated mechanism for the urban rail vehicle, as set forth in claim 1, wherein the secondary pedal is further provided with a variable damping air spring, one end of the variable damping air spring is fixed below the door frame, and the other end is connected with one end of the secondary pedal close to the primary pedal.
6. The novel door and ladder integrated mechanism for urban rail vehicles according to any one of claims 1-5, wherein the first protection plate is arranged on two sides of the first-stage pedal, and the second protection plate is arranged on two sides of the second-stage pedal.
7. The novel door ladder integrated mechanism for urban rail vehicles according to any one of claims 1-5, wherein one end of the first air spring is fixed in the vehicle head through a joint, and the other end is connected with the first-stage pedal through a third support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207482.2A CN109159791B (en) | 2018-10-17 | 2018-10-17 | Novel door ladder integrated mechanism for urban rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207482.2A CN109159791B (en) | 2018-10-17 | 2018-10-17 | Novel door ladder integrated mechanism for urban rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109159791A CN109159791A (en) | 2019-01-08 |
| CN109159791B true CN109159791B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811207482.2A Active CN109159791B (en) | 2018-10-17 | 2018-10-17 | Novel door ladder integrated mechanism for urban rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109159791B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987108A (en) * | 2019-05-14 | 2019-07-09 | 南京康尼机电股份有限公司 | Rail traffic vehicles ramp-type emergency evacuation door system |
| CN111252096A (en) * | 2020-03-05 | 2020-06-09 | 南京康尼机电股份有限公司 | Urban rail vehicle emergency evacuation ramp with adjustable length |
| CN112896204A (en) * | 2021-01-29 | 2021-06-04 | 南京康尼机电股份有限公司 | Manual crank type recovery device of urban rail door system |
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| FR2323859A1 (en) * | 1975-09-09 | 1977-04-08 | Heuliez Sa Louis | Rear emergency exit for bus - with fold down extending ramp with safety release catch and balance spring |
| EP0114264A2 (en) * | 1983-01-20 | 1984-08-01 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Folding step for railway vehicles |
| EP0776808A1 (en) * | 1995-11-29 | 1997-06-04 | Fine Products S.A. | Door and ramp evacuation unit for passenger transport vehicles |
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| CN103241251A (en) * | 2013-04-27 | 2013-08-14 | 常州长青交通科技股份有限公司 | Subway locomotive ramp type emergency evacuation door |
| KR20140033602A (en) * | 2012-09-07 | 2014-03-19 | (주)진합 | Automatic step plate for passenger car |
| CN105332603A (en) * | 2015-09-28 | 2016-02-17 | 扬中中科维康智能科技有限公司 | Novel mechanical structure of subway escape door |
| CN106314464A (en) * | 2015-07-03 | 2017-01-11 | 长春市恒丰客车装备有限公司 | Track passenger car emergency exit |
| CN207360323U (en) * | 2017-08-28 | 2018-05-15 | 今创集团股份有限公司 | Telescopic electric foot pedal |
| CN209142129U (en) * | 2018-10-17 | 2019-07-23 | 南京康尼机电股份有限公司 | City rail vehicle type gate ladder integrated mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6675847B2 (en) * | 2001-12-07 | 2004-01-13 | Geoffrey Noden | Adjustable height workbench with foot pedal actuated safety disengaging mechanism on support standards |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2323859A1 (en) * | 1975-09-09 | 1977-04-08 | Heuliez Sa Louis | Rear emergency exit for bus - with fold down extending ramp with safety release catch and balance spring |
| EP0114264A2 (en) * | 1983-01-20 | 1984-08-01 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Folding step for railway vehicles |
| EP0776808A1 (en) * | 1995-11-29 | 1997-06-04 | Fine Products S.A. | Door and ramp evacuation unit for passenger transport vehicles |
| CN201080189Y (en) * | 2007-06-08 | 2008-07-02 | 南京康尼机电新技术有限公司 | Reclaiming device for emergency escape ramp |
| GB0723846D0 (en) * | 2007-12-05 | 2008-01-16 | Bombardier Transp Gmbh | Passenger rail vehicule provided with a detrainment system |
| KR20140033602A (en) * | 2012-09-07 | 2014-03-19 | (주)진합 | Automatic step plate for passenger car |
| CN103241251A (en) * | 2013-04-27 | 2013-08-14 | 常州长青交通科技股份有限公司 | Subway locomotive ramp type emergency evacuation door |
| CN106314464A (en) * | 2015-07-03 | 2017-01-11 | 长春市恒丰客车装备有限公司 | Track passenger car emergency exit |
| CN105332603A (en) * | 2015-09-28 | 2016-02-17 | 扬中中科维康智能科技有限公司 | Novel mechanical structure of subway escape door |
| CN207360323U (en) * | 2017-08-28 | 2018-05-15 | 今创集团股份有限公司 | Telescopic electric foot pedal |
| CN209142129U (en) * | 2018-10-17 | 2019-07-23 | 南京康尼机电股份有限公司 | City rail vehicle type gate ladder integrated mechanism |
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| Publication number | Publication date |
|---|---|
| CN109159791A (en) | 2019-01-08 |
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