CN103670041A - Electric locking device of subway platform screen door - Google Patents
Electric locking device of subway platform screen door Download PDFInfo
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- CN103670041A CN103670041A CN201310752700.1A CN201310752700A CN103670041A CN 103670041 A CN103670041 A CN 103670041A CN 201310752700 A CN201310752700 A CN 201310752700A CN 103670041 A CN103670041 A CN 103670041A
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- 238000001125 extrusion Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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Abstract
The invention discloses an electric locking device of a subway platform screen door; an electromagnet driving mechanism is adopted to drive a ratchet synchronous wheel; a ratchet synchronous wheel component is separated from a lock fork; the lock fork rotates for a certain angle under the action of the restoring force of a torsional spring component, when a roller component is separated from the lock fork, a sliding door is opened, and when the roller component slides into the lock fork, the sliding door is closed; in order to prevent accidents, a manual unlocking device, a locking in-place detection switch component and a manual unlocking detection switch component are arranged, so as to check and make sure the electric locking or unlocking is in place, and the repair is convenient; the electric lock structure is located above the subway platform screen door, can bear the air pressure of a piston of the closed screen door and the extrusion force of passengers, has a reliable structure, is easily realized, and has good application prospect.
Description
Technical field
The present invention relates to metro platform shield door technical field, be specifically related to a kind of metro platform shield door electric locking device.
Background technology
Fast development along with city size, the trip that subway transportation can be convenient for people to, people, when awaiting a subway, need to fall in underground railway track because of carelessness, very dangerous, in order to improve the security performance of subway platform, metro platform shield door is widely used, still, existing metro platform shield door closes device, the basic upper and lower rectilinear motion of electromagnet band pendulum lock pin that adopts, work of electromagnet falls lock pin, i.e. sliding door locking state; Work of electromagnet is lifted lock pin, sliding door open mode, and still, piston blast and passenger's extruding force that this kind of structure born closed shield door are little, and structure is unreliable, easily loses efficacy, and has potential safety hazard.
Summary of the invention
Technical problem solved by the invention is to overcome existing metro platform shield door electric lock structure, and piston blast and passenger's extruding force of bearing closed shield door are little, and structure is unreliable, easily loses efficacy, and has the problem of potential safety hazard.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of metro platform shield door electric locking device, it is characterized in that: electric locking device is arranged on the top of metro platform shield door, comprise lock assembly, solenoid actuated mechanism, ratchet synchronizing wheel, the first torsion spring assembly, lock shaft, pawl assembly, the second torsion spring assembly, lock fork, left wheel assembly and right roll wheel assembly, described lock assembly is arranged on shielding every machine guide rail, described solenoid actuated mechanism is fixed on the inner side of lock assembly, and the exit of solenoid actuated mechanism is connected with ratchet synchronizing wheel by connecting bearing pin, described ratchet synchronizing wheel is provided with synchronizing shaft, described synchronizing shaft is by pawl assembly, the second torsion spring assembly links together, described lock shaft is connected with the first torsion spring assembly, and be fixed on lock assembly, described lock fork is arranged on the front end of lock shaft, described lock fork is provided with symmetrical for blocking the breach of left wheel assembly and right roll wheel assembly, described left wheel assembly and right roll wheel assembly below are provided with subway platform sliding door, in described lock fork, be also provided with the draw-in groove for clamping pawl assembly, described solenoid actuated mechanism drives the second torsion spring assembly to control that pawl assembly is thrown off or clamping lock fork, described the first torsion spring Component driver lock shaft is controlled lock fork rotation, left wheel assembly and right roll wheel assembly are slipped into or depart from the breach in lock fork.
Aforesaid a kind of metro platform shield door electric locking device, it is characterized in that: also comprise and be locked into a sense switch assembly, whether a described sense switch assembly that is locked into is fixed on lock assembly, and contacts with ratchet synchronizing wheel, for detection of the anglec of rotation of ratchet synchronizing wheel, put in place.
Aforesaid a kind of metro platform shield door electric locking device, it is characterized in that: also comprise manual unlocking device, one side of described manual unlocking device is connected with the manual lock on metro platform shield door, opposite side is fixed on lock assembly by the 3rd torsion spring assembly, the top of described manual unlocking device is provided with manual unlocking sense switch assembly, whether described manual unlocking sense switch assembly is fixed on lock assembly, and contacts with pawl assembly, for detection of manual lock, be rotated in place.
Aforesaid a kind of metro platform shield door electric locking device, is characterized in that: door frame is taken in the left side of below separately, right side is taken door frame and is fixedly connected with subway platform sliding door by being positioned at for described left wheel assembly, right roll wheel assembly.
The invention has the beneficial effects as follows: metro platform shield door electric locking device of the present invention, adopt solenoid actuated mechanism to drive ratchet synchronizing wheel, synchronous pawl assembly is thrown off lock fork, lock fork is under the effect of torsion spring assembly restoring force, rotate a certain angle, make roll wheel assembly depart from lock fork, thereby sliding door is opened, roll wheel assembly slips into lock fork, be that sliding door is closed, for preventing unexpected generation, be provided with manual unlocking device, be provided with and be locked into a sense switch assembly, manual unlocking sense switch assembly, be convenient to check electric locking or open and extremely put in place, convenient for maintaining, this kind of electric lock structure, be positioned at the top of metro platform shield door, can carry piston blast and passenger's extruding force of closed shield door, reliable in structure, easily realize, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of metro platform shield door electric locking device of the present invention.
Fig. 2 is the bottom view of metro platform shield door electric locking device of the present invention.
Fig. 3 is the elevation of metro platform shield door electric locking device of the present invention.
Fig. 4 is the right side cross-sectional view of metro platform shield door electric locking device of the present invention.
Fig. 5 is the top view of metro platform shield door electric locking device of the present invention.
Reference numeral implication is as follows:
1: lock assembly; 2: solenoid actuated mechanism; 3: connect bearing pin; 4: ratchet synchronizing wheel; 5: the first torsion spring assemblies; 6: lock shaft; 7: synchronizing shaft; 8: pawl assembly; 9: the second torsion spring assemblies; 10: lock fork; 11: left wheel assembly; 12: right roll wheel assembly; 13: manual unlocking device; 14: the three torsion spring assemblies; 15: be locked into a sense switch assembly; 16: manual unlocking sense switch assembly; 17: door frame is taken in left side; 18: door frame is taken on right side; 19: manual lock.
The specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figures 1 to 5, metro platform shield door electric locking device of the present invention, electric locking device is arranged on the top of metro platform shield door, more traditional electric locking device that is positioned at metro platform shield door side, can carry larger piston blast and the passenger's extruding force of closed shield door, electric locking device comprises lock assembly 1, solenoid actuated mechanism 2, ratchet synchronizing wheel 4, the first torsion spring assembly 5, lock shaft 6, pawl assembly 8, the second torsion spring assembly 9, lock fork 10, left wheel assembly 11 and right roll wheel assembly 12, lock assembly 1 is arranged on shielding every machine guide rail, solenoid actuated mechanism 2 is fixed on the inner side of lock assembly 1, and the exit of solenoid actuated mechanism 2 is connected with ratchet synchronizing wheel 4 by connecting bearing pin 3, ratchet synchronizing wheel 4 is provided with synchronizing shaft 7, synchronizing shaft 7 is by pawl assembly 8, the second torsion spring assembly 9 links together, lock shaft 6 is connected with the first torsion spring assembly 5, and be fixed on lock assembly 1, lock fork 10 is arranged on the front end of lock shaft 6, lock fork 10 is provided with symmetrical for blocking the breach of left wheel assembly 11 and right roll wheel assembly 12, left wheel assembly 11 and right roll wheel assembly 12 belows are provided with subway platform sliding door, left wheel assembly 11, right roll wheel assembly 12 is taken door frame 17 by being positioned at the left side of below separately, right side is taken door frame 18 and is fixedly connected with subway platform sliding door, lock fork 10 is disc structure, also be provided with for being connected to the draw-in groove of pawl assembly 8, solenoid actuated mechanism 2 drives the second torsion spring assembly 9 to control pawl assembly 8 disengagements or clamping lock fork 10, the first torsion spring assembly 5 drives lock shaft 6 to control lock fork 10 rotations, left wheel assembly 11 and right roll wheel assembly 12 are slipped into or depart from the breach in lock fork 10.
Whether the present invention also comprises and is locked into a sense switch assembly 15, is locked into a sense switch assembly 15 and is fixed on lock assembly 1, and contact with ratchet synchronizing wheel 4, for detection of the anglec of rotation of ratchet synchronizing wheel 4, put in place.
The present invention also comprises manual unlocking device 13, one side of described manual unlocking device 13 is connected with the manual lock 19 on metro platform shield door, opposite side is fixed on lock assembly 1 by the 3rd torsion spring assembly 14, the top of manual unlocking device 13 is provided with manual unlocking sense switch assembly 16, manual unlocking sense switch assembly 16 is fixed on lock assembly 1, and contact with pawl assembly 8, for detection of manual lock 19, whether be rotated in place.
The course of work of metro platform shield door electric locking device of the present invention is as follows:
(1) under normal condition, the process of automatic blocking or unlatching is, when solenoid actuated mechanism 2 works, do rectilinear motion, bearing pin 3 rotations are connected, drive ratchet synchronizing wheel 4 to rotatablely move, when ratchet synchronizing wheel 4 is rotated in place, when triggering is locked into a sense switch assembly 15 by synchronizing shaft 7 interlock the second torsion spring assemblies 9 rotations, control the draw-in groove that pawl assembly 8 departs from lock fork 10, lock fork 10 is under the effect of the first torsion spring assembly 5 restoring forces, rotate a certain angle, at this moment left side is installed and takes door frame 17, a left side for door frame 18 is taken on right side, right roll wheel assembly, thereby the breach sliding door that departs from lock fork 10 is opened, otherwise left and right roll wheel assembly slips into the breach of lock fork 10, pawl assembly 8 clamps the draw-in groove of lock fork 10 under the effect of the restoring force of the second torsion spring assembly 9, realizes sliding door and closes.
(2) under abnormal condition, the process of manual unlocking is that the manual lock 19 on twisting door body, triggers manual unlocking device 13 actions, trigger manual unlocking sense switch 16, by manual unlocking device 13, stir and control pawl assembly 8 simultaneously, it is outwards rotated to an angle, so that pawl assembly 8 departs from the draw-in groove of lock fork 10, lock fork 10 is under the effect of the first torsion spring assembly 5 restoring forces, rotate a certain angle, left and right roll wheel assembly departs from the breach of lock fork 10, thereby sliding door is opened.
In sum, metro platform shield door electric locking device of the present invention, adopt solenoid actuated mechanism to drive ratchet synchronizing wheel, synchronous pawl assembly is thrown off lock fork, lock fork is under the effect of torsion spring assembly restoring force, rotate a certain angle, make roll wheel assembly depart from lock fork, thereby sliding door is opened, roll wheel assembly slips into lock fork, be that sliding door is closed, for preventing unexpected generation, be provided with manual unlocking device, be provided with and be locked into a sense switch assembly, manual unlocking sense switch assembly, be convenient to check electric locking or open and extremely put in place, convenient for maintaining, this kind of electric lock structure, be positioned at the top of metro platform shield door, can carry piston blast and passenger's extruding force of closed shield door, reliable in structure, easily realize, have a good application prospect.More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. a metro platform shield door electric locking device, it is characterized in that: electric locking device is arranged on the top of metro platform shield door, comprise lock assembly (1), solenoid actuated mechanism (2), ratchet synchronizing wheel (4), the first torsion spring assembly (5), lock shaft (6), pawl assembly (8), the second torsion spring assembly (9), lock fork (10), left wheel assembly (11) and right roll wheel assembly (12), described lock assembly (1) is arranged on shielding every machine guide rail, described solenoid actuated mechanism (2) is fixed on the inner side of lock assembly (1), and the exit of solenoid actuated mechanism (2) is connected with ratchet synchronizing wheel (4) by connecting bearing pin (3), described ratchet synchronizing wheel (4) is provided with synchronizing shaft (7), described synchronizing shaft (7) is by pawl assembly (8), the second torsion spring assembly (9) links together, described lock shaft (6) is connected with the first torsion spring assembly (5), and be fixed on lock assembly (1), described lock fork (10) is arranged on the front end of lock shaft (6), described lock fork (10) is provided with symmetrical for blocking the breach of left wheel assembly (11) and right roll wheel assembly (12), described left wheel assembly (11) and right roll wheel assembly (12) below are provided with subway platform sliding door, described lock fork is also provided with the draw-in groove for clamping pawl assembly (8) on (10), described solenoid actuated mechanism (2) drives the second torsion spring assembly (9) to control pawl assembly (8) disengagement or clamping lock fork (10), described the first torsion spring assembly (5) drives lock shaft (6) to control lock fork (10) rotation, left wheel assembly (11) and right roll wheel assembly (12) are slipped into or depart from the breach in lock fork (10).
2. a kind of metro platform shield door electric locking device according to claim 1, it is characterized in that: also comprise and be locked into a sense switch assembly (15), a described sense switch assembly (15) that is locked into is fixed on lock assembly (1), and contact with ratchet synchronizing wheel (4), for detection of the anglec of rotation of ratchet synchronizing wheel (4), whether put in place.
3. a kind of metro platform shield door electric locking device according to claim 1, it is characterized in that: also comprise manual unlocking device (13), one side of described manual unlocking device (13) is connected with the manual lock (19) on metro platform shield door, opposite side is fixed on lock assembly (1) by the 3rd torsion spring assembly (14), the top of described manual unlocking device (13) is provided with manual unlocking sense switch assembly (16), described manual unlocking sense switch assembly (16) is fixed on lock assembly (1), and contact with pawl assembly (8), for detection of manual lock (9), whether be rotated in place.
4. a kind of metro platform shield door electric locking device according to claim 1, is characterized in that: door frame (17) is taken in the left side of below separately, right side is taken door frame (18) and is fixedly connected with subway platform sliding door by being positioned at for described left wheel assembly (11), right roll wheel assembly (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752700.1A CN103670041B (en) | 2013-12-31 | 2013-12-31 | A kind of metro platform shield door electric locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752700.1A CN103670041B (en) | 2013-12-31 | 2013-12-31 | A kind of metro platform shield door electric locking device |
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| Publication Number | Publication Date |
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| CN103670041A true CN103670041A (en) | 2014-03-26 |
| CN103670041B CN103670041B (en) | 2015-09-02 |
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| CN201310752700.1A Active CN103670041B (en) | 2013-12-31 | 2013-12-31 | A kind of metro platform shield door electric locking device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196372A (en) * | 2014-08-25 | 2014-12-10 | 杭州优迈科技有限公司 | Rail transit platform screen door lock and rail transit platform screen door |
| CN105178737A (en) * | 2014-07-31 | 2015-12-23 | 西安铁路信号有限责任公司 | Electronic locking method for sliding door |
| CN106761032A (en) * | 2016-11-28 | 2017-05-31 | 上海嘉成轨道交通安全保障系统股份公司 | The door lock and gate of gate |
| CN106761031A (en) * | 2016-11-28 | 2017-05-31 | 上海嘉成轨道交通安全保障系统股份公司 | The door lock and gate of gate |
| CN110952840A (en) * | 2019-12-31 | 2020-04-03 | 常州瓦良格电气有限公司 | Mechanical electromagnetic lock for shielded door |
| CN115217371A (en) * | 2022-06-13 | 2022-10-21 | 鑫湘军合(江苏)科技发展有限公司 | Subway platform screen door lock device |
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| CN2916048Y (en) * | 2006-06-01 | 2007-06-27 | 沈阳远大铝业工程有限公司 | Emergency safety door lock device |
| CN201265310Y (en) * | 2008-09-05 | 2009-07-01 | 上海嘉成轨道交通安全保障系统有限公司 | Locking apparatus for rail traffic shielding door |
| WO2012109713A1 (en) * | 2011-02-15 | 2012-08-23 | Mauer Locking Systems Ltd | Clutch mechanism couplable to door locks with locking bolt operated by handles or knobs |
| CN203022452U (en) * | 2012-12-24 | 2013-06-26 | 南京康尼机电股份有限公司 | Electric lock for half-height safety door |
| CN203669530U (en) * | 2013-12-31 | 2014-06-25 | 南京康尼机电股份有限公司 | Electric locking device of metro platform screen door |
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2013
- 2013-12-31 CN CN201310752700.1A patent/CN103670041B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2916048Y (en) * | 2006-06-01 | 2007-06-27 | 沈阳远大铝业工程有限公司 | Emergency safety door lock device |
| CN201265310Y (en) * | 2008-09-05 | 2009-07-01 | 上海嘉成轨道交通安全保障系统有限公司 | Locking apparatus for rail traffic shielding door |
| WO2012109713A1 (en) * | 2011-02-15 | 2012-08-23 | Mauer Locking Systems Ltd | Clutch mechanism couplable to door locks with locking bolt operated by handles or knobs |
| CN203022452U (en) * | 2012-12-24 | 2013-06-26 | 南京康尼机电股份有限公司 | Electric lock for half-height safety door |
| CN203669530U (en) * | 2013-12-31 | 2014-06-25 | 南京康尼机电股份有限公司 | Electric locking device of metro platform screen door |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178737A (en) * | 2014-07-31 | 2015-12-23 | 西安铁路信号有限责任公司 | Electronic locking method for sliding door |
| CN104196372A (en) * | 2014-08-25 | 2014-12-10 | 杭州优迈科技有限公司 | Rail transit platform screen door lock and rail transit platform screen door |
| CN104196372B (en) * | 2014-08-25 | 2017-01-18 | 杭州优迈科技有限公司 | Rail transit platform screen door lock and rail transit platform screen door |
| CN106761032A (en) * | 2016-11-28 | 2017-05-31 | 上海嘉成轨道交通安全保障系统股份公司 | The door lock and gate of gate |
| CN106761031A (en) * | 2016-11-28 | 2017-05-31 | 上海嘉成轨道交通安全保障系统股份公司 | The door lock and gate of gate |
| CN110952840A (en) * | 2019-12-31 | 2020-04-03 | 常州瓦良格电气有限公司 | Mechanical electromagnetic lock for shielded door |
| CN115217371A (en) * | 2022-06-13 | 2022-10-21 | 鑫湘军合(江苏)科技发展有限公司 | Subway platform screen door lock device |
| CN115217371B (en) * | 2022-06-13 | 2024-05-03 | 鑫湘军合(江苏)科技发展有限公司 | Door lock device for subway platform screen door |
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| Publication number | Publication date |
|---|---|
| CN103670041B (en) | 2015-09-02 |
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