CN107628045B - Self-adaptive supporting leg structure of emergency escape evacuation ramp for rail transit vehicle - Google Patents
Self-adaptive supporting leg structure of emergency escape evacuation ramp for rail transit vehicle Download PDFInfo
- Publication number
- CN107628045B CN107628045B CN201710944345.6A CN201710944345A CN107628045B CN 107628045 B CN107628045 B CN 107628045B CN 201710944345 A CN201710944345 A CN 201710944345A CN 107628045 B CN107628045 B CN 107628045B
- Authority
- CN
- China
- Prior art keywords
- pawl
- supporting leg
- fixed supporting
- shaft
- emergency escape
- Prior art date
- 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.)
- Active
Links
Landscapes
- Seats For Vehicles (AREA)
- Ladders (AREA)
Abstract
The invention discloses a self-adaptive supporting leg structure of an emergency escape evacuation ramp of a rail transit vehicle, which comprises fixed supporting legs which are symmetrically arranged left and right, wherein each fixed supporting leg is positioned at the corresponding side edge below a pedal mechanism body, a telescopic leg is embedded into each fixed supporting leg, a supporting shaft and a synchronous rod are arranged between the two fixed supporting legs, the supporting shaft is positioned above the synchronous rod, a lower pawl pin shaft and a telescopic withdrawing pin shaft are sequentially arranged below each fixed supporting leg from top to bottom, a lower pawl reset torsion spring is sleeved on the lower pawl pin shaft, a lower pawl is arranged on the lower pawl pin shaft, the telescopic legs slide along the lower pawls on the fixed supporting legs in the same direction and tangentially, under the action of gravity, the racks and the lower pawls on the telescopic legs automatically slide down to the corresponding height positions, and the synchronous rod controls the two telescopic legs to synchronously slide down under the action of gravity. The invention can effectively support the pedal mechanism, has smart structure, is easy to realize and has good application prospect.
Description
Technical Field
The invention relates to a self-adaptive supporting leg structure of an emergency escape and evacuation ramp of a rail transit vehicle, and belongs to the technical field of rail transit vehicle components.
Background
With the rapid development of urban rail transit, the demand of urban rail transit vehicles is also increasing. At present, an emergency escape and evacuation ramp device is arranged on urban rail transit vehicles, and is used for facilitating rapid escape of passengers under the condition of emergency faults, and particularly for escaping and evacuating in a narrow underground passage. The height of supporting legs of the existing emergency escape and evacuation ramp device is fixed in the unfolding process, so that the existing emergency escape and evacuation ramp device cannot be suitable for various escape environments, the ground corresponding to the excessively high or excessively low escape environment is not suitable, and when the ground of the escape environment is excessively high, the emergency escape and evacuation ramp device can be in a horizontal or reversely inclined state; when the ground of the escape environment is too low, the emergency escape and evacuation ramp device can be in a state of overlarge inclination angle, so that passengers can escape conveniently, and the emergency escape and evacuation ramp device is inconvenient to use.
Disclosure of Invention
The invention aims to overcome the defects of the existing emergency escape and evacuation ramp device. The self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle is arranged below the pedal body of the emergency escape and evacuation ramp, moves along with the retraction movement of the emergency escape and evacuation ramp, can extend out of the built-in telescopic legs by a corresponding distance according to the ground height after the emergency escape and evacuation ramp is fully unfolded, can effectively support the pedal mechanism, is ingenious in structure, is easy to realize, and has good application prospect.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a self-adaptation supporting leg structure of emergent escape evacuation ramp of rail transit vehicle, is including the fixed stay leg that is left and right symmetry setting, and each fixed stay leg is located the side that corresponds of the pedal mechanism below of emergent escape evacuation ramp, has embedded flexible leg in each fixed stay leg, is provided with back shaft, synchronizing lever between two fixed stay legs, the back shaft is located the top of synchronizing lever, and the below of each fixed stay leg is provided with down pawl round pin axle, flexible back round pin axle in proper order from the top down, lower pawl reset torsion spring has been cup jointed on the pawl round pin axle down, install down the pawl on the pawl round pin axle down, flexible leg is along the lower pawl direction on the fixed stay leg, and the rack of self on the flexible leg slides with lower pawl syntropy tangent line under the effect of gravity, and automatic slide reaches corresponding high position down, synchronous slide down of two flexible legs of synchronizing lever control under the effect of gravity.
The self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle comprises a fixed supporting leg, an unlocking plate is arranged between the upper portion of the fixed supporting leg and a linkage rod, the upper end portion of the unlocking plate is hinged to the linkage rod through an unlocking plate shaft, a transmission plate is arranged at the end portion of the linkage rod, an upper pawl pin shaft is further arranged on the outer wall of the upper portion of the fixed supporting leg, an upper pawl reset torsion spring is sleeved on the upper pawl pin shaft, an upper pawl is mounted on the upper pawl pin shaft, the lower end portion of the upper pawl abuts against the unlocking plate, a stop pawl shaft torsion spring is further arranged above the fixed supporting leg, a stop pawl is sleeved on the stop pawl shaft in the middle of the stop pawl shaft, the upper portion of the stop pawl is connected with the locking plate through a locking plate shaft, and a stop pawl torsion spring is arranged on the locking plate shaft.
The self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle is characterized in that the linkage rod is connected with a connecting rod body on the pedal mechanism, and a power source is provided for the linkage rod when the connecting rod body acts.
The self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle is characterized in that the two end parts of the supporting shaft are provided with the fixed mounting plates, and the fixed mounting plates are fixed on the middle part of the pedal mechanism or the corresponding side edges below the rear half part of the pedal mechanism.
The self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle is characterized in that racks and lower pawls of the telescopic legs are in reverse engagement, so that the telescopic legs are prevented from being retracted into fixed supporting legs on corresponding sides.
The self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle is characterized in that the unlocking plate is provided with a waist-shaped hole, and the waist-shaped hole is arranged above the fixed supporting leg through a linkage pin shaft.
According to the self-adaptive support leg structure of the emergency escape evacuation ramp of the rail transit vehicle, each fixed support leg is positioned at the middle part of the pedal mechanism of the emergency escape evacuation ramp or at the corresponding side edge below the rear half part.
The beneficial effects of the invention are as follows: the self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle is arranged below the pedal body of the emergency escape and evacuation ramp, moves along with the retraction movement of the emergency escape and evacuation ramp, can extend out of the built-in telescopic legs by a corresponding distance according to the ground height after the emergency escape and evacuation ramp is fully unfolded, can effectively support the pedal mechanism, is ingenious in structure, is easy to realize, and has good application prospect.
Drawings
FIG. 1 is a side view of an adaptive support leg structure of the rail transit vehicle emergency escape evacuation ramp of the present invention;
FIG. 2 is a schematic structural view of an adaptive support leg structure of the rail transit vehicle emergency escape evacuation ramp of the present invention;
fig. 3 is a schematic view of the present invention in position after deployment of an emergency escape evacuation ramp.
The meaning of the symbols in the drawings is as follows:
5: a pedal mechanism; 501: fixing the supporting legs; 502: a telescoping leg; 503: a support shaft; 504: a synchronizing lever; 505: a lower pawl pin; 506: the telescopic pin roll is retracted; 507: a lower pawl reset torsion spring; 508: a lower pawl; 509: a linkage rod; 510: a drive plate; 511: unlocking the plate shaft; 512: an upper pawl pin shaft; 513: an upper pawl; 514: a detent shaft; 515: a stop pawl axle torsion spring; 516: a stopping pawl; 517: a lock plate shaft; 518: a lock plate; 519: unlocking plate; 520: a stop pawl torsion spring; 6: a connecting rod body.
Detailed Description
The invention will be further described with reference to the drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1, 2 and 3, the self-adaptive support leg structure of the emergency escape and evacuation ramp for rail transit vehicle of the present invention comprises left and right symmetrically arranged fixed support legs 501, each fixed support leg 501 is located at a corresponding side under the pedal mechanism 5 of the emergency escape and evacuation ramp, preferably, each fixed support leg 501 is located at a middle part or near a corresponding side under a rear half part of the pedal mechanism 5 of the emergency escape and evacuation ramp, so as to improve the firmness of the fixed support legs 501 supporting the pedal mechanism 5,
a telescopic leg 502 is embedded in each fixed supporting leg 501, a supporting shaft 503 and a synchronizing rod 504 are arranged between the two fixed supporting legs 501, the supporting shaft 503 is located above the synchronizing rod 504, a lower pawl pin shaft 505 and a telescopic retracting pin shaft 506 are sequentially arranged below each fixed supporting leg 501 from top to bottom, a lower pawl reset torsion spring 507 is sleeved on the lower pawl pin shaft 505, a lower pawl 508 is arranged on the lower pawl pin shaft 505, the telescopic leg 502 is guided along the lower pawl 508 on the fixed supporting leg 501, under the action of gravity, a rack of the telescopic leg 502 and the lower pawl 508 slide along the same direction tangent line, automatically slide down to the corresponding height position, the rack of the telescopic leg 502 and the lower pawl 508 are reversely meshed, so that the telescopic leg 502 is prevented from retracting into the corresponding fixed supporting leg 501, and the synchronizing rod 504 controls the telescopic leg 502 to slide down synchronously under the action of gravity;
an unlocking plate 519 is arranged between the upper side of the fixed supporting leg 501 and the linkage rod 509, the upper end of the unlocking plate 519 is hinged to the linkage rod 509 through an unlocking plate shaft 511, a transmission plate 510 is arranged at the end of the linkage rod 509, a waist-shaped hole is formed in the unlocking plate 519, the waist-shaped hole is arranged above the fixed supporting leg 501 through a linkage pin shaft, an upper pawl pin shaft 512 is further arranged on the outer wall above the fixed supporting leg 501, an upper pawl reset torsion spring is sleeved on the upper pawl pin shaft 512, an upper pawl 513 is mounted on the upper pawl pin shaft 512, the lower end of the upper pawl 513 abuts against the unlocking plate 519, a stop pawl shaft 515 is further arranged above the fixed supporting leg 501, a stop pawl 516 is sleeved on the middle portion of the stop pawl shaft 514, the upper portion of the stop pawl 516 is connected with the locking plate 518 through a locking plate shaft 517, a pawl 520 is arranged on the locking plate shaft, the upper pawl pin shaft is provided with a pawl spring, the lower pawl pin shaft 513 is mounted on the upper pawl pin shaft, the lower pawl pin shaft is correspondingly in contact with the linkage rod 509, and is in self-adaption with a connecting rod 5, and is in self-adaption with the linkage rod 5, and is in contact with the linkage rod 509 when the side of the linkage rod 5, and the linkage rod is in a corresponding position to the fixed pedal body 509.
When the emergency escape evacuation ramp device of the invention is unfolded and released, the specific recovery process of the self-adaptive supporting leg mechanism is as follows,
the lower pawl 508 is manually pressed down, the telescopic leg 502 is retracted, the linkage rod 509 and the transmission plate 510 rotate under the action and driving of the link body 6, the unlocking plate 519 is moved, the stop pawl 516 is driven to be separated from the locking plate 518, the self-adaptive supporting leg mechanism is unlocked, and the self-adaptive supporting leg mechanism is horizontally contracted on the lower surface of the pedal body of the corresponding pedal mechanism 5.
When the emergency escape evacuation ramp device of the invention is in a recovery state, the self-adaptive supporting leg mechanism is specifically unfolded as follows,
when the pedal mechanism 5 is completely released, the telescopic leg 502 of the adaptive telescopic leg moves downwards along the fixed supporting leg 501, under the action of gravity, the rack of the telescopic leg 502 and the lower pawl 508 slide along the same direction and tangentially, and automatically slide down to the corresponding height position, the rack of the telescopic leg 502 and the lower pawl 508 are in reverse engagement, so as to prevent the telescopic leg 502 from retreating into the corresponding fixed supporting leg 501, the synchronous rod 504 controls the telescopic leg 502 to synchronously slide downwards under the action of gravity until the telescopic leg contacts the ground, the adaptive telescopic expansion of the adaptive telescopic leg mechanism is completed, and when the adaptive supporting leg mechanism contacts the ground in place, the linkage rod 509 drives the stop pawl 516 to be inserted into the locking plate 518, so that the adaptive supporting leg mechanism is locked, as shown in fig. 3.
In summary, the self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle is arranged below the pedal body of the emergency escape and evacuation ramp, moves along with the retraction movement of the emergency escape and evacuation ramp, and after the emergency escape and evacuation ramp is completely unfolded, the built-in telescopic legs can extend out of corresponding distances according to the ground height, so that the self-adaptive supporting leg structure of the emergency escape and evacuation ramp for the rail transit vehicle can effectively support the pedal mechanism, is ingenious in structure, easy to realize and has good application prospects.
The foregoing has outlined and described the basic principles, features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a emergent escape evacuation ramp's of rail transit vehicle self-adaptation supporting leg structure which characterized in that: the emergency escape evacuation ramp comprises fixed supporting legs which are symmetrically arranged left and right, wherein each fixed supporting leg is positioned at the corresponding side edge below a pedal mechanism of the emergency escape evacuation ramp, a telescopic leg is embedded in each fixed supporting leg, a supporting shaft and a synchronizing rod are arranged between the two fixed supporting legs, the supporting shaft is positioned above the synchronizing rod, a lower pawl pin shaft and a telescopic retracting pin shaft are sequentially arranged below each fixed supporting leg from top to bottom, a lower pawl reset torsion spring is sleeved on the lower pawl pin shaft, a lower pawl is arranged on the lower pawl pin shaft, the telescopic leg is guided along the lower pawl on the fixed supporting leg, a rack and the lower pawl on the telescopic leg slide along the same direction and tangential line under the action of gravity, and the synchronizing rod controls the two telescopic legs to synchronously slide down under the action of gravity;
an unlocking plate is arranged between the upper portion of the fixed supporting leg and the linkage rod, the upper end portion of the unlocking plate is hinged to the linkage rod through an unlocking plate shaft, a transmission plate is arranged at the end portion of the linkage rod, an upper pawl pin shaft is further arranged on the outer wall of the upper portion of the fixed supporting leg, an upper pawl reset torsion spring is sleeved on the upper pawl pin shaft, an upper pawl is mounted on the upper pawl pin shaft, the lower end portion of the upper pawl abuts against the unlocking plate, a stop pawl shaft torsion spring is further arranged above the fixed supporting leg, a stop pawl is sleeved on the stop pawl shaft, a stop pawl is sleeved on the middle portion of the stop pawl shaft, the upper portion of the stop pawl is connected with the locking plate through the locking plate shaft, and a stop pawl torsion spring is arranged on the locking plate shaft.
2. An adaptive support leg structure for a rail transit vehicle emergency escape evacuation ramp according to claim 1, wherein: the linkage rod is connected with a connecting rod body on the pedal mechanism, and a power source is provided for the linkage rod when the connecting rod body acts.
3. An adaptive support leg structure for a rail transit vehicle emergency escape evacuation ramp according to claim 2, wherein: the fixed mounting plates are arranged at the two ends of the supporting shaft and are fixed on the corresponding side edges below the middle part or the rear half part of the pedal mechanism.
4. An adaptive support leg structure for a rail transit vehicle emergency escape evacuation ramp according to claim 1, wherein: the rack of the telescopic leg and the lower pawl are reversely meshed, so that the telescopic leg is prevented from being retracted into the fixed supporting leg at the corresponding side.
5. An adaptive support leg structure for a rail transit vehicle emergency escape evacuation ramp according to claim 1, wherein: the unlocking plate is provided with a waist-shaped hole, and the waist-shaped hole is arranged above the fixed supporting leg through a linkage pin shaft.
6. An adaptive support leg structure for a rail transit vehicle emergency escape evacuation ramp according to claim 1, wherein: each fixed supporting leg is positioned at the middle part of the pedal mechanism of the emergency escape evacuation ramp or at the corresponding side edge below the rear half part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944345.6A CN107628045B (en) | 2017-09-30 | 2017-09-30 | Self-adaptive supporting leg structure of emergency escape evacuation ramp for rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944345.6A CN107628045B (en) | 2017-09-30 | 2017-09-30 | Self-adaptive supporting leg structure of emergency escape evacuation ramp for rail transit vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107628045A CN107628045A (en) | 2018-01-26 |
| CN107628045B true CN107628045B (en) | 2023-09-15 |
Family
ID=61104205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710944345.6A Active CN107628045B (en) | 2017-09-30 | 2017-09-30 | Self-adaptive supporting leg structure of emergency escape evacuation ramp for rail transit vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107628045B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090264A (en) * | 1976-11-26 | 1978-05-23 | Thompson Johnnie W | Leg prosthesis |
| CN2380103Y (en) * | 1999-06-15 | 2000-05-31 | 蒋雯 | Lifting table |
| CN101716942A (en) * | 2009-11-17 | 2010-06-02 | 西安新竹防灾救生设备有限公司 | Personnel escaping device for elevated trains |
| GB201104340D0 (en) * | 2011-03-15 | 2011-04-27 | Valentine Christina M | Levelling device for ladders |
| CN104002892A (en) * | 2014-06-09 | 2014-08-27 | 吴庆柯 | Self-return type bicycle support frame |
| KR101507429B1 (en) * | 2013-11-29 | 2015-03-31 | 현대로템 주식회사 | Emergency escape ramp for railway vehicles |
| CN207328458U (en) * | 2017-09-30 | 2018-05-08 | 南京康尼机电股份有限公司 | A kind of adaptive support leg structure of rail traffic vehicles emergency escape escape ramp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6854402B2 (en) * | 2002-04-19 | 2005-02-15 | Dubarry Suzanne | Adjustable shelf |
-
2017
- 2017-09-30 CN CN201710944345.6A patent/CN107628045B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090264A (en) * | 1976-11-26 | 1978-05-23 | Thompson Johnnie W | Leg prosthesis |
| CN2380103Y (en) * | 1999-06-15 | 2000-05-31 | 蒋雯 | Lifting table |
| CN101716942A (en) * | 2009-11-17 | 2010-06-02 | 西安新竹防灾救生设备有限公司 | Personnel escaping device for elevated trains |
| GB201104340D0 (en) * | 2011-03-15 | 2011-04-27 | Valentine Christina M | Levelling device for ladders |
| KR101507429B1 (en) * | 2013-11-29 | 2015-03-31 | 현대로템 주식회사 | Emergency escape ramp for railway vehicles |
| CN104002892A (en) * | 2014-06-09 | 2014-08-27 | 吴庆柯 | Self-return type bicycle support frame |
| CN207328458U (en) * | 2017-09-30 | 2018-05-08 | 南京康尼机电股份有限公司 | A kind of adaptive support leg structure of rail traffic vehicles emergency escape escape ramp |
Non-Patent Citations (1)
| Title |
|---|
| 王中旭 ; .深圳5号线地铁车辆紧急疏散门系统简析.现代城市轨道交通.2010,(03),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107628045A (en) | 2018-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206147835U (en) | Novel automatic vending machine shipment mechanism | |
| CN107628045B (en) | Self-adaptive supporting leg structure of emergency escape evacuation ramp for rail transit vehicle | |
| CN210852163U (en) | Vehicle-mounted drawing type universal platform | |
| CN105735882A (en) | Retractable folding hanging ladder | |
| CN111674306B (en) | Stepless adjusting device for automobile box type armrest cover | |
| CN207257443U (en) | A kind of safety seat with ISOFIX backing stop structures | |
| CN109131646A (en) | Vertical bicycle assistant parking device | |
| CN110279245B (en) | Folding wall bed | |
| CN104495493B (en) | Energy-saving type safe airbag folding apparatus | |
| CN110154854B (en) | Vehicle-mounted drawing type universal platform | |
| CN206188311U (en) | A portable electric lift for vehicle maintenance maintenance | |
| CN209274491U (en) | Motorcar electric pedal | |
| CN207328458U (en) | A kind of adaptive support leg structure of rail traffic vehicles emergency escape escape ramp | |
| CN212168781U (en) | Overturning table-board mechanism for feeding and discharging platform of ultra-wide bending machine | |
| CN208979002U (en) | Vertical bicycle assistant parking device | |
| CN203511606U (en) | Push-and-pull locking device of battery box | |
| CN109109758B (en) | Multifunctional vehicle-mounted tool box and using method thereof | |
| CN113135201A (en) | Multifunctional pedal for rail transit | |
| CN208869982U (en) | A kind of parking stall with safeguard function ground locking device | |
| CN205819371U (en) | A kind of skid | |
| CN205220526U (en) | Slidingtype vapour car trunk bottom plate | |
| CN107336782A (en) | Folding bicycle | |
| CN207089101U (en) | A kind of multi-functional passenger car | |
| CN221660615U (en) | Supporting leg structure of child safety seat | |
| CN214028442U (en) | Mechanical pedal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |