CN205203004U - Track traffic platform safety foot board locks structure - Google Patents
Track traffic platform safety foot board locks structure Download PDFInfo
- Publication number
- CN205203004U CN205203004U CN201520770247.1U CN201520770247U CN205203004U CN 205203004 U CN205203004 U CN 205203004U CN 201520770247 U CN201520770247 U CN 201520770247U CN 205203004 U CN205203004 U CN 205203004U
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- latch
- hook
- pair
- latch hook
- master lock
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Abstract
The utility model discloses a track traffic platform safety foot board locks structure contains lock seat, master lock hook, pays latch hook and trip lever, wherein the lock seat is fixed on the fixed frame base, the master lock hook rotates with pair latch hook and installs on the lock seat, forms locking or unblock relation through the rotation each other, the position of master lock hook is corresponding with the hasp position on the slide frame, and slide frame stretches out and draws back and removes the postpone that targets in place, and the latch hook is become owner of to the last hasp knot of slide frame, promotes the emergence of master lock hook and rotates, forms the locking with pair latch hook and concerns, trip lever movable mounting on lock seat, the one end of trip lever with pay the latch hook transmission and link to each other, and then promote to pay the latch hook and take place to rotate, accomplish the unblock between master lock hook and pair latch hook. Through this locking structure, when safety foot board removes flexible targetting in place, can carry out the physics locking automatically, when the footboard need remove, can realize the unblock automatically, the security of platform safety foot board operation improves.
Description
Technical field
The utility model relates to field of track traffic, particularly relates to track traffic safeguard technology.
Background technology
In urban rail transit construction process, in order to ensure the safety traffic of train, between platform and train body, often leaving certain gap, bringing certain potential safety hazard to passenger thus.Easily tripped by gap in passenger getting on/off process or because stepping on sky, pin snapped in gap.In order to address this problem, existing part rail intersection road, installs fixing rubber pedal at platform edge, to reduce the gap between platform and train body, meanwhile, in train driving process, rubs even if produce with pedal, is also not easy to damage car body.
But prior art has following deficiency:
First, although gap between platform and car body reduces, but still exist, still there is potential safety hazard, for disabled person, infant and the women that wears high heels, this problem is particularly outstanding.
Secondly, in train driving process, easily produce friction between car body and pedal and clash into, long-term accumulated, easily causes damage to train.Further, the damage rate of platform pedal is relatively high, and later maintenance cost is higher.
This contriver of the present utility model be have developed to a kind of rail traffic platform safety tread of concertina type, for concertina type safety tread, to stretch out or lock function under retracted mode is absolutely necessary, the mode of motor internal contracting brake (locked motor) is generally adopted to limit the movement of safety tread in prior art, but still there are security breaches in actual use in which, in control system fault, or electrical fault, or under the bursty state such as power failure, its locking or unlocking function cannot be protected, to this, the utility model provides a kind of Mechanical locking features.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of rail traffic platform safety tread latch-up structure, make, when safety tread moving telescopic puts in place, automatically to carry out mechanical caging, when needs are mobile, automatically can unlock, ensure the safety that platform safety tread runs.
In order to solve the problems of the technologies described above, the utility model provides a kind of rail traffic platform safety tread latch-up structure, and this platform safety tread comprises a fixed frame base, and to stretch out along guide rail or the slider bar, of described fixed frame base of retracting is fixed on the tread elements of slider bar front end;
Described latch-up structure comprises lock, the first master lock hook, first pair of latch hook and trip lever;
Described lock is fixed on described fixed frame base; Described first master lock hook and first pair of latch hook are rotatably installed on described lock, and described first master lock hook and first pair of latch hook form locking or the relation of unblock through rotating, and described first master lock hook and first pair of latch hook are separately installed with retracing spring; The position of described first master lock hook is corresponding with the first snap close position in described slider bar, after described slider bar telescopic moving to primary importance, described first snap close buckles into described first master lock hook, promotes described first master lock hook and rotates, form locking relation with first pair of latch hook;
Described trip lever is movably arranged on described lock, and one end of described trip lever is connected with described first pair of latch hook transmission, and the described first pair of latch hook of flexible promotion of described trip lever rotates, and completes the unblock between described first master lock hook and first pair of latch hook.
As further improvement, described latch-up structure also comprises the second master lock hook and second pair of latch hook;
Described second master lock hook and second pair of latch hook are rotatably installed on described lock, and the opening direction of described second master lock hook and second pair of latch hook is contrary with first pair of latch hook with described first master lock hook; Form locking or the relation of unblock by rotating between described second master lock hook and second pair of latch hook, described second master lock hook and second pair of latch hook are separately installed with retracing spring; The position of described second master lock hook is corresponding with the second snap close position in described slider bar, after described slider bar moves to the second place, described second snap close buckles into described second master lock hook, promotes described second master lock hook and rotates, form locking relation with second pair of latch hook;
One end that described trip lever is connected with described first pair of latch hook transmission, is also connected with described second pair of latch hook transmission, and the described second pair of latch hook of flexible promotion of described trip lever rotates, and completes the unblock between described second master lock hook and second pair of latch hook.
As further improvement, described primary importance is that described slider bar stretches out the position put in place, and the described second place is that described slider bar is retracted the position put in place.
As further improvement, described primary importance is that described slider bar is retracted the position put in place, and the described second place is that described slider bar stretches out the position put in place.
As further improvement, one end of described trip lever is connected with described first pair of latch hook transmission, and the other end is connected with an electromagnet transmission, by the described trip lever of flexible promotion flexible of described electromagnet; Or
As further improvement, one end of described trip lever is connected with described first pair of latch hook transmission, and the other end is connected with the brake switch transmission of electromotor brake, drives the flexible of described trip lever by opening or closing of described brake switch.
As further improvement, described latch-up structure also comprises unlocking signal switch, is arranged on described lock, corresponding with the position of described trip lever, described trip lever triggers described unlocking signal switch stretching out under released state, and the signal output part of described unlocking signal switch is connected with controller.
As further improvement, the end of described trip lever is provided with the first trundle, is connected, described lock is provided with the first waist shaped hole by described first trundle with described first pair of latch hook transmission, described first trundle, through described first waist shaped hole, moves within the scope of described first waist shaped hole.
As further improvement, the end of described trip lever is provided with the second trundle, is connected, described lock is provided with the second waist shaped hole by described second trundle with described second pair of latch hook transmission, described second trundle, through described second waist shaped hole, moves within the scope of described second waist shaped hole.
As further improvement, the contact surface of described first master lock hook and first pair of latch hook is inclined-plane or arcwall face.
As further improvement, the contact surface of described second master lock hook and second pair of latch hook is inclined-plane or arcwall face.
As further improvement, also comprise a manual unlock component and and unlock pivot arm, described manual unlocking assembly and unblock pivot arm are rotatably connected on described fixed frame base respectively, form between described manual unlocking assembly and unblock pivot arm and rotate interlock, described manual unlocking assembly and unblock pivot arm are separately installed with retracing spring, be in transmission connection between described unblock pivot arm and described trip lever, described manual unlocking assembly rotates by external force, drive described unblock pivot arm to rotate, promote described trip lever generation telescopic moving.
As further improvement, a latch is vertically inserted at the centre of gration position of described manual unlocking assembly, the external handle of described latch, handle drives described latch to rotate by after external force, drives described manual unlocking assembly to rotate by described latch.
As further improvement, described manual unlocking assembly comprises a transmission arm, described slider bar is arranged a reset fulcrum, after described manual unlocking assembly turns to predetermined angle, contact with described reset fulcrum, with described reset fulcrum for stress point, regain described slider bar.
Compared with prior art, the key distinction and effect thereof are the utility model embodiment: on platform safety tread, arrange a latch-up structure, comprise lock, the first master lock hook, first pair of latch hook and trip lever; Wherein lock is fixed on fixed frame base; First master lock hook and first pair of latch hook are rotatably installed on lock, and the first master lock hook and first pair of latch hook form locking or the relation of unblock through rotating, and are separately installed with retracing spring on two latch hooks; The position of the first master lock hook is corresponding with the first snap close position in slider bar, and after slider bar telescopic moving to primary importance, the first snap close buckles into the first master lock hook, promotes the first master lock hook and rotates, form locking relation with first pair of latch hook; Trip lever telescopically is movably arranged on lock, and one end of trip lever is connected with first pair of latch hook transmission, and flexible promotion first pair of latch hook of trip lever rotates, and completes the unblock between the first master lock hook and first pair of latch hook.By this latch-up structure, when safety tread moving telescopic puts in place, automatically can carry out physics locking, when needs are mobile, automatically realize unlocking by controlling trip lever, ensureing the safety that platform safety tread runs.
Accompanying drawing explanation
Fig. 1 is the safety tread schematic diagram being arranged on platform in the utility model one better embodiment;
Fig. 2 is the safety tread schematic diagram under state of stretching out in the utility model one better embodiment;
Fig. 3 is the safety tread schematic diagram in the utility model one better embodiment under retracted mode;
Fig. 4 is platform safety tread integral structure figure in the utility model one better embodiment;
Fig. 5 is platform safety tread latch-up structure plan structure figure (containing electromagnet) in the utility model one better embodiment;
Fig. 6 is platform safety tread latch-up structure face upwarding assumption diagram in the utility model one better embodiment (not containing electromagnet).
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The utility model one better embodiment relates to a kind of rail traffic platform safety tread latch-up structure.Wherein, platform safety tread, for filling up the gap between rail traffic platform and Train door, prevents passenger from being tripped by gap when getting on or off the bus or pin snaps in gap because stepping on sky.This safety tread is arranged on station edge of table, as shown in Figure 1.This safety tread has and stretches out and retraction two states, and respectively as depicted in figs. 1 and 2, enter the station at train, during car door opening, safety tread is in the state of stretching out, and guarantees seamless link between platform and car door; Before launch train, safety tread retraction platform, in train travelling process, safety tread is in retracted mode, guarantees to keep certain gap between platform and car body, ensures the safety traffic of train.
Simply introduce the structure of safety tread below, as shown in Figure 4, this safety tread comprises fixed frame base 401, slider bar 402 and tread elements 403.Wherein, tread elements 403 is fixed on the front end of slider bar 402.Slider bar 402 is placed in fixed frame base 401, by guide rail and guide piece (as roller) and fixed frame base 401 sliding block joint, is stretched out and retraction fixed frame base 401 by guide rail and guide piece guided slidable frame 402 level.Fig. 4 shows the overall schematic (containing latch-up structure) that slider bar 402 and tread elements 403 stretch out the state of putting in place.
Fixed frame base 401 is fixed with drive motor 404, slider bar 402 is fixed with tooth bar 405 along slider bar telescopic direction, tooth bar 405, by the driving of drive motor 404, promotes slider bar 402 and stretches out or retraction fixed frame base 401.Be covered with load-bearing cover plate above fixed frame base 401, stand for passenger.
Below the platform safety tread latch-up structure of present embodiment is introduced, platform safety tread latch-up structure 500 is positioned at the left back region of fixed frame base 401, concrete structure is (Fig. 5 shows the integral frame of latch-up structure from depression angle) as shown in Figure 5, comprises lock 501, master lock hook 502, pair latch hook 503, master lock hook 504, pays latch hook 505, trip lever 506; Wherein, master lock hook 502, pair latch hook 503 are contrary with the opening direction of master lock hook 504, pair latch hook 505, symmetrical each other.Master lock hook 502, paying latch hook 503 and stretch out locking when putting in place for realizing retractable step (slider bar), master lock hook 504, paying the locking that latch hook 505 retracts when putting in place for realizing retractable step (slider bar).In actual applications, also only can comprise one group of master lock hook and pay latch hook, only carrying out the locking of a single state.
Specifically, lock 501 is fixedly mounted on fixed frame base 401; Master lock hook 502 and a pair latch hook 503 are rotatably installed on lock 501, and master lock hook 502 and pair latch hook 503 lock or the relation of unblock through rotating to be formed, and master lock hook 502 is separately installed with retracing spring with paying on latch hook 503; Position and the stretching out in slider bar 402 of master lock hook 502 snap close (i.e. the first snap close) position that puts in place is corresponding (in order to avoid blocking, not shownly stretch out the snap close that puts in place), after slider bar 402 reaches default fixed position, this stretches out the snap close that puts in place and buckles into master lock hook 502, promote master lock hook 502 to rotate, with pay a latch hook 503 and form locking relation, after master lock hook 502 locks, master lock hook 502 and stretch out to put in place between snap close and also form locking relation.Slider bar 402 realizes locking, cannot telescopic moving.
In Fig. 5, master lock hook 502 is provided with an arc upper arm and an arc underarm, a position-limited trough is formed between upper underarm, after slider bar 402 reaches default fixed position, stretching out in slider bar puts in place the position-limited trough of snap close collision master lock hook 502, promotes master lock hook 502 and rotates counterclockwise, the upper arm of master lock hook 502 snaps in the locked groove of pair latch hook 503, with pay a latch hook 503 and form locking relation, after master lock hook 502 locks, the underarm of master lock hook 502 with stretch out the snap close that puts in place and form locking relation.Master lock hook 502 is inclined-plane or arcwall face with the contact surface of pair latch hook 503, thus master lock hook 502 can snap in the locked groove paying latch hook 503 like a cork.
Equally, master lock hook 504 and a pair latch hook 505 are rotatably installed on lock, and the opening direction of master lock hook 504 and pair latch hook 505 is contrary with paying latch hook 503 with master lock hook 502; Form locking or unblock relation by rotation between master lock hook 504 and pair latch hook 505, master lock hook 504 and pair latch hook 505 are separately installed with retracing spring; The position of master lock hook 504 and the retraction in slider bar snap close 507 (the second snap close) position that puts in place is corresponding, after slider bar is retracted into fixed position, its snap close 507 that puts in place of retracting buckles into master lock hook 504, promote master lock hook 504 to rotate, locking relation is formed with a pair latch hook 505, after master lock hook 504 locks, master lock hook 504 and retraction put in place between snap close and also form locking relation.Slider bar 402 realizes locking, cannot telescopic moving.Latch-up structure in Fig. 5 is in after slider bar retracts and put in place, and its snap close 507 that puts in place of retracting buckles into the state of master lock hook 504.
506 of trip lever is movably arranged on lock 501 by support telescopically, one end of trip lever 506 is connected with pair latch hook 505 transmission with pair latch hook 503 respectively, the other end is connected with electromagnet 508 transmission, by flexible promotion trip lever 506 flexible of electromagnet 508, the flexible promotion of trip lever 506 is paid latch hook 503 and is paid latch hook 505 and rotates, complete master lock hook 502 and pay latch hook 503, and the unblock between master lock hook 504 and pair latch hook 505, the position of master lock hook 502 and master lock hook 504 is no longer limited, under the traction of retracing spring, rotate further, unclamp the current snap close snapped in locked groove, slider bar 402 unlocks completely, fore and aft motion can be carried out.In a particular application, trip lever 506 end is to the position of dealing with latch hook 503 and 505, a trundle can be installed respectively, be connected with 505 transmissions with a pair latch hook 503 by trundle, lock 501 arranges a waist shaped hole respectively with trundle opposite position, trundle, through this waist shaped hole, moves within the scope of waist shaped hole, thus realizes trip lever 506 and pay latch hook 503 and pay being in transmission connection of latch hook 505.In order to more clearly show this latch-up structure, Fig. 6 shows the integral frame of latch-up structure from looking up angle, and in Fig. 6, trundle 601 is flexibly connected trip lever 506 and pays latch hook 503, and trundle 602 is flexibly connected trip lever 506 and pays latch hook 505.
In actual applications, trip lever 506 can with electromagnet 508 direct-drive, also can pass through other intermediate structure indirect drive.In Fig. 5, lock 501 installs a rotating unblock pivot arm 509, unlock pivot arm 509 to be flexibly connected by trundle with trip lever 506, unlock on pivot arm 509 and comprise an outstanding fulcrum 5091, this fulcrum 5091 is pressed close to mutually with the iron core of electromagnet 508, when electromagnet 508 energising is stretched out, promote to unlock the fulcrum 5091 on pivot arm 509, drive unblock pivot arm 509 to rotate clockwise, unlock pivot arm 509 and promote trip lever 506 by trundle, trigger trip lever 506 and realize unblock.
As further improvement, in order to simplified design, reduce the components and parts used, reduce latch-up structure overall failure rate, in present embodiment, also electromagnet 508 can not be installed, as shown in Figure 6, the end of trip lever 506 is connected with the brake switch transmission of drg 603 on drive motor 404 by steel rope, drives the flexible of trip lever 506 by opening or closing of its brake switch.
As further improvement, as shown in Figure 6, this latch-up structure also comprises proximity switch 604 (unlocking signal switch), be arranged on lock 501, corresponding with the position of trip lever 506, trip lever 506 is (namely under released state) touching proximity switch 604 under the state of stretching out, and produce signal, the signal output part of proximity switch 604 is connected with controller.
As further improvement, this latch-up structure also comprises a manual unlock component 510, as shown in Figure 5, manual unlocking assembly 510 and unblock pivot arm 509 are rotatably connected on fixed frame base 401 respectively, formed between manual unlocking assembly 510 and unblock pivot arm 509 and rotate interlock, namely the rotation of manual unlocking assembly 510 can promote unlock pivot arm 509 rotate, manual unlocking assembly 510 and unblock pivot arm 509 are separately installed with retracing spring, unlock between pivot arm 509 and trip lever 506 and be in transmission connection by trundle, in Fig. 5, when manual unlocking assembly 510 rotates clockwise by external force, drive and unlock pivot arm 509 synchronous axial system, promote trip lever 506, to paying latch hook 503 and 505 direction, telescopic moving occurs.The flexible promotion of trip lever 506 is paid latch hook 503 and is paid latch hook 505 and rotates, and completes master lock hook 502 and pays latch hook 503 and the unblock between master lock hook 504 and pair latch hook 505.
When specific implementation, can vertically insert a latch at the centre of gration position of manual unlocking assembly 510, the external handle of latch, handle drives latch to rotate by after external force, drives manual unlocking assembly 510 to rotate by latch.
As further improvement, manual unlocking assembly 510 comprises a transmission arm 511, slider bar is arranged a reset fulcrum 512 (be depression angle see Fig. 6, Fig. 5, this reset fulcrum is blocked), after manual unlocking assembly 510 turns to predetermined angle, its transmission arm 511 contacts with reset fulcrum 512, along with the rotation of transmission arm 511, reset fulcrum 512 will receive the power inwardly regained, thus with reset fulcrum 512 for stress point, slider bar can be regained.By said structure, can guarantee under bursty state can manual unlocking retractable step of retracting, and has ensured the safety that railcar travels.
Although by referring to some preferred implementation of the present utility model, the utility model illustrated and describe, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and does not depart from spirit and scope of the present utility model.
Claims (10)
1. a rail traffic platform safety tread latch-up structure, is characterized in that, described platform safety tread comprises a fixed frame base, and to stretch out along guide rail or the slider bar, of described fixed frame base of retracting is fixed on the tread elements of slider bar front end;
Described latch-up structure comprises lock, the first master lock hook, first pair of latch hook and trip lever;
Described lock is fixed on described fixed frame base; Described first master lock hook and first pair of latch hook are rotatably installed on described lock, and described first master lock hook and first pair of latch hook form locking or the relation of unblock through rotating, and described first master lock hook and first pair of latch hook are separately installed with retracing spring; The position of described first master lock hook is corresponding with the first snap close position in described slider bar, after described slider bar telescopic moving to primary importance, described first snap close buckles into described first master lock hook, promotes described first master lock hook and rotates, form locking relation with first pair of latch hook;
Described trip lever is movably arranged on described lock, and one end of described trip lever is connected with described first pair of latch hook transmission, and the described first pair of latch hook of flexible promotion of described trip lever rotates, and completes the unblock between described first master lock hook and first pair of latch hook.
2. rail traffic platform safety tread latch-up structure according to claim 1, is characterized in that, described latch-up structure also comprises the second master lock hook and second pair of latch hook;
Described second master lock hook and second pair of latch hook are rotatably installed on described lock, and the opening direction of described second master lock hook and second pair of latch hook is contrary with first pair of latch hook with described first master lock hook; Form locking or the relation of unblock by rotating between described second master lock hook and second pair of latch hook, described second master lock hook and second pair of latch hook are separately installed with retracing spring; The position of described second master lock hook is corresponding with the second snap close position in described slider bar, after described slider bar moves to the second place, described second snap close buckles into described second master lock hook, promotes described second master lock hook and rotates, form locking relation with second pair of latch hook;
One end that described trip lever is connected with described first pair of latch hook transmission, is also connected with described second pair of latch hook transmission, and the described second pair of latch hook of flexible promotion of described trip lever rotates, and completes the unblock between described second master lock hook and second pair of latch hook.
3. rail traffic platform safety tread latch-up structure according to claim 2, is characterized in that, described primary importance is that described slider bar stretches out the position put in place, and the described second place is that described slider bar is retracted the position put in place; Or
Described primary importance is that described slider bar is retracted the position put in place, and the described second place is that described slider bar stretches out the position put in place.
4. rail traffic platform safety tread latch-up structure according to claim 1, it is characterized in that, one end of described trip lever is connected with described first pair of latch hook transmission, and the other end is connected with an electromagnet transmission, by the described trip lever of flexible promotion flexible of described electromagnet; Or
One end of described trip lever is connected with described first pair of latch hook transmission, and the other end is connected with the brake switch transmission of electromotor brake, drives the flexible of described trip lever by opening or closing of described brake switch.
5. rail traffic platform safety tread latch-up structure according to claim 1, it is characterized in that, described latch-up structure also comprises unlocking signal switch, be arranged on described lock, corresponding with the position of described trip lever, described trip lever triggers described unlocking signal switch stretching out under released state, and the signal output part of described unlocking signal switch is connected with controller.
6. rail traffic platform safety tread latch-up structure according to claim 2, it is characterized in that, the end of described trip lever is provided with the first trundle, be connected with described first pair of latch hook transmission by described first trundle, described lock is provided with the first waist shaped hole, described first trundle, through described first waist shaped hole, moves within the scope of described first waist shaped hole; And/or
The end of described trip lever is provided with the second trundle, be connected with described second pair of latch hook transmission by described second trundle, described lock is provided with the second waist shaped hole, described second trundle, through described second waist shaped hole, moves within the scope of described second waist shaped hole.
7. rail traffic platform safety tread latch-up structure according to claim 2, is characterized in that, the contact surface of described first master lock hook and first pair of latch hook is inclined-plane or arcwall face; And/or
The contact surface of described second master lock hook and second pair of latch hook is inclined-plane or arcwall face.
8. rail traffic platform safety tread latch-up structure according to claim 1, it is characterized in that, also comprise a manual unlock component and and unlock pivot arm, described manual unlocking assembly and unblock pivot arm are rotatably connected on described fixed frame base respectively, form between described manual unlocking assembly and unblock pivot arm and rotate interlock, described manual unlocking assembly and unblock pivot arm are separately installed with retracing spring, be in transmission connection between described unblock pivot arm and described trip lever, described manual unlocking assembly rotates by external force, described unblock pivot arm is driven to rotate, promote described trip lever generation telescopic moving.
9. rail traffic platform safety tread latch-up structure according to claim 8, it is characterized in that, a latch is vertically inserted at the centre of gration position of described manual unlocking assembly, the external handle of described latch, handle drives described latch to rotate by after external force, drives described manual unlocking assembly to rotate by described latch.
10. rail traffic platform safety tread latch-up structure according to claim 8, it is characterized in that, described manual unlocking assembly comprises a transmission arm, described slider bar is arranged a reset fulcrum, after described manual unlocking assembly turns to predetermined angle, contact with described reset fulcrum, with described reset fulcrum for stress point, regain described slider bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770247.1U CN205203004U (en) | 2015-09-30 | 2015-09-30 | Track traffic platform safety foot board locks structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770247.1U CN205203004U (en) | 2015-09-30 | 2015-09-30 | Track traffic platform safety foot board locks structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205203004U true CN205203004U (en) | 2016-05-04 |
Family
ID=55840736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770247.1U Withdrawn - After Issue CN205203004U (en) | 2015-09-30 | 2015-09-30 | Track traffic platform safety foot board locks structure |
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| Country | Link |
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| CN (1) | CN205203004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438185A (en) * | 2015-09-30 | 2016-03-30 | 上海嘉成轨道交通安全保障系统股份公司 | Safety pedal locking structure for track traffic platform |
| CN109733417A (en) * | 2019-03-05 | 2019-05-10 | 方大智创科技有限公司 | Railway platform telescopic footboard device |
-
2015
- 2015-09-30 CN CN201520770247.1U patent/CN205203004U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438185A (en) * | 2015-09-30 | 2016-03-30 | 上海嘉成轨道交通安全保障系统股份公司 | Safety pedal locking structure for track traffic platform |
| WO2017054763A1 (en) * | 2015-09-30 | 2017-04-06 | 上海嘉成轨道交通安全保障系统股份公司 | Locking structure of safety footstep for rail transit platform |
| CN105438185B (en) * | 2015-09-30 | 2018-07-17 | 上海嘉成轨道交通安全保障系统股份公司 | A kind of rail traffic platform safety tread locking structure |
| CN109733417A (en) * | 2019-03-05 | 2019-05-10 | 方大智创科技有限公司 | Railway platform telescopic footboard device |
| WO2020177160A1 (en) * | 2019-03-05 | 2020-09-10 | 方大智创科技有限公司 | Retractable train platform stepping board apparatus |
| CN109733417B (en) * | 2019-03-05 | 2023-08-22 | 方大智创科技有限公司 | Telescopic pedal device for train platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160504 Effective date of abandoning: 20180717 |