CN103231973B - A kind of elevator hall door lock device and open locking verification method - Google Patents

A kind of elevator hall door lock device and open locking verification method Download PDF

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Publication number
CN103231973B
CN103231973B CN201310181734.XA CN201310181734A CN103231973B CN 103231973 B CN103231973 B CN 103231973B CN 201310181734 A CN201310181734 A CN 201310181734A CN 103231973 B CN103231973 B CN 103231973B
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contact
door
bilateral
link plate
plate
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CN103231973A (en
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龚剑华
辛全中
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IFE ELEVATORS CO Ltd
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IFE ELEVATORS CO Ltd
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Abstract

The present invention relates to elevator technology field, particularly relate to a kind of elevator hall door lock device and open locking verification method, described a kind of elevator hall door lock device comprises mechanical locking device and electric authenticating security loop; Described mechanical locking device comprises the hook plate being fixed on the right link plate of layer door gear, and be fixed on the latch hook of the left link plate of layer door gear, described hook plate offers dog hole, described electric authenticating security loop comprises the wiring contact be fixed on layer door gear base plate, the bilateral contact be fixed on hook plate, and being fixed on the large contact of spiral arm front end of latch hook, positive and negative terminals are arranged at wiring contact, and positive and negative circuit is extended respectively by bilateral contact, submit tandem to lead in large contact, form loop; Described bilateral contact is " L " type spring-piece type safety contact, at closing time bilateral contact respectively with wiring contact and large contact, simpler to the guarantee of layer door safety, directly, effectively.

Description

A kind of elevator hall door lock device and open locking verification method
Technical field
The present invention relates to elevator technology field, particularly relate to a kind of elevator hall door lock device and open locking verification method.
Background technology
The vertical conveyor of elevator to be a kind of with electrical motor be power, is equipped with box like gondola, takes advantage of people or carrying goods for tier building.Elevator, as the transport facility of vertical direction, has become important Architectural Equipment and indispensable at skyscraper and public place.Along with the development of computer technology, automatic technology and Power Electronic Technique, modem elevator has become typical electromechanical integrated product.Along with the raising of overall national economy strength, the personal consumption level of the people rises appreciably, real estate developer releases medium-to-high grade little high level and high-rise residential building one after another energetically, has driven increasing rapidly of residential lift, becomes the main growth factor in whole elevator market.
Existing layer door gear, when the steel rope that links disconnects, the door of another side then may be opened, and there is larger potential safety hazard, therefore needs to take, effective measures simpler, direct to the guarantee of layer door safety.
Summary of the invention
The object of the invention is to provide a kind of elevator hall door lock device and open locking verification method for the deficiencies in the prior art, simpler, direct, effective to the guarantee of layer door safety.
For achieving the above object, the present invention adopts following technical scheme: a kind of elevator hall door lock device, and it comprises mechanical locking device and electric authenticating security loop; Described mechanical locking device comprises the hook plate being fixed on the right link plate of layer door gear, and be fixed on the latch hook of the left link plate of layer door gear, described hook plate offers dog hole, during locking, the spiral arm front end of latch hook can be engaged with dog hole and keep interlocking state, when unblanking, the spiral arm front end of latch hook rotates and raises up and break off relations and remove interlocking under the effect of door cutter; Described electric authenticating security loop comprises the wiring contact be fixed on layer door gear base plate, the bilateral contact be fixed on hook plate, and be fixed on the large contact of spiral arm front end of latch hook, positive and negative terminals are arranged at wiring contact, positive and negative circuit is extended respectively by bilateral contact, submit tandem to lead in large contact, form loop; Described bilateral contact is " L " type spring-piece type safety contact, at closing time bilateral contact respectively with wiring contact and large contact.
Described latch hook is also provided with the Compress Spring for auxiliary locking action.
Described hook plate is also provided with protective cover.
A kind of elevator door lock open locking verification method, locking verification method is: when the right link plate of layer door gear is closed the door and moved to door-closing in-place precontract 3mm, bilateral contact starts to contact with wiring contact, and keeps on-state to door-closing in-place; When the layer right link plate of door gear and the left link plate door-closing in-place of layer door gear, the dog hole of hook plate and the spiral arm front end engagement interlocking of latch hook; In the process of engagement interlocking, when as depth of engagement >=7mm, large contact starts to contact with bilateral contact, and electric authenticating security loop is connected, and keeps on-state to final depth of engagement, and namely when layer door lock engages about 8mm, safety return circuit is connected; When layer door lock breaks off relations, or the right link plate of layer door gear or the arbitrary link plate of the left link plate of layer door gear leave door-closing in-place position, and safety return circuit will be caused to disconnect; Verification method of unblanking is: during door opening action, the spiral arm of latch hook rotates under the effect of door cutter, and spiral arm front end raises up, and depth of engagement reduces until break off relations; When depth of engagement is decreased to about 7mm, large contact and bilateral contact separation, electric authenticating security loop disconnects, and enabling continuation action to the right link plate of layer door gear leaves opening position when being about 3mm, bilateral contact and wiring contact separation.
Beneficial effect of the present invention is: a kind of elevator hall door lock device of the present invention and open locking verification method, simpler, direct, effective to the guarantee of layer door safety.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Constitution diagram when Fig. 2 is 10mm before door-closing in-place of the present invention.
Fig. 3 is that the present invention closes the door and do not put in place, constitution diagram when latch hook does not fall.
Fig. 4 is the structural representation of bilateral contact of the present invention.
Fig. 5 is the structural representation of wiring contact of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figures 1 to 5, a kind of elevator hall door lock device of the present invention, its structure is: it comprises mechanical locking device and electric authenticating security loop; Described mechanical locking device comprises the hook plate 1 being fixed on the right link plate of layer door gear, and be fixed on the latch hook 12 of the left link plate of layer door gear, described hook plate 1 offers dog hole 10, during locking, the spiral arm front end of latch hook 12 can be engaged with dog hole 10 and keep interlocking state, when unblanking, the spiral arm front end of latch hook 12 rotates and raises up and break off relations and remove interlocking under the effect of door cutter; Described electric authenticating security loop comprises the wiring contact 7 be fixed on layer door gear base plate, the bilateral contact 6 be fixed on hook plate 1, and be fixed on the large contact 11 of spiral arm front end of latch hook 12, positive and negative terminals are arranged at wiring contact 7, positive and negative circuit is extended respectively by bilateral contact 6, submit tandem to lead in large contact 11, form loop; Described bilateral contact 6 is " L " type spring-piece type safety contact, and bilateral contact 6 contacts with large contact 11 with wiring contact 7 respectively at closing time.Described latch hook 12 is also provided with the Compress Spring for auxiliary locking action.Described hook plate 1 is also provided with protective cover 5.
Wherein, the fastener of fixing hook plate 1 and latch hook 12 is respectively 2 M8 × 16 bolts.Wiring contact 7, is fixed by M6 × 12 screw by support installing on base plate rail.Protective cover 5, bilateral contact 6 are fixed on hook plate 1, and large contact 11 is fixed on latch hook 12, fixes by screw.
Commissioning requirements is as follows: after installation, during layer door lock complete locking and door-closing in-place time, should protect hook plate 1 and latch hook 12 gap L EssT.LTssT.LT 3mm, depth of engagement is about 11mm; During layer door lock complete locking, wiring contact 7 is good with the contact of bilateral contact 6, and the shell fragment of bilateral contact 6 of bending is about 3mm; During layer door lock complete locking, large contact 11 is good with the contact of bilateral contact 6, and the shell fragment of bilateral contact 6 of bending is about 3mm; The contact of all contacts and contact should be all standing, should not take partially or dew point.
A kind of elevator hall door lock device of the present invention, principle of work is described below: during locking, when the layer right link plate of door gear and the left link plate door-closing in-place of layer door gear, the dog hole 10 of hook plate 1 and the spiral arm front end engagement interlocking of latch hook 12, make left and right link plate inseparable after interlocking, promoted engage and keep interlocking state by the spiral arm self gravitation of latch hook 12 and auxiliary member Compress Spring.When unblanking, from the spiral arm action of latch hook 12, spiral arm rotates under the effect of door cutter, and the position that front end is engaged with the dog hole 10 of hook plate 1 raises up, and realizes breaking off relations, and remove interlocking, after unblanking, left and right link plate can move freely.Locking proof procedure is, when the right link plate of layer door gear is closed the door and moved to door-closing in-place precontract 3mm, bilateral contact 6 starts to contact with wiring contact 7, and keeps on-state to door-closing in-place; When the layer right link plate of door gear and the left link plate door-closing in-place of layer door gear, the dog hole 10 of hook plate 1 and the spiral arm front end engagement interlocking of latch hook 12; In the process of engagement interlocking, as depth of engagement >=7mm, large contact 11 starts to contact with bilateral contact 6, and electric authenticating security loop is connected, and keeps on-state to final depth of engagement, and namely when layer door lock engages about 8mm, safety return circuit is connected; When layer door lock breaks off relations, or the right link plate of layer door gear or the arbitrary link plate of the left link plate of layer door gear leave door-closing in-place position, and safety return circuit will be caused to disconnect; Proof procedure of unblanking is that, during door opening action, the spiral arm of latch hook 12 rotates under the effect of door cutter, and spiral arm front end raises up, and depth of engagement reduces until break off relations; When depth of engagement is decreased to about 7mm, large contact 11 is separated with bilateral contact 6, and electric authenticating security loop disconnects, and enabling continuation action to the right link plate of layer door gear leaves opening position when being about 3mm, and bilateral contact 6 is separated with wiring contact 7.
A kind of elevator hall door lock device feature of the present invention: 1, produce under gravity and keep locking action, and have Compress Spring to assist this locking action, double drive guarantees the reliability of locking action, and spring failure can not cause and unblank.2, before electric safety device action, the depth of engagement > 7mm of locking element.3, strength estimation: take off a power and estimate by 500N, safety factor gets > 8, locking element: in part 12, the meshing part steel plate of thick 4mm makes, stress sectional area 48mm2.Part 1 steel plate of thick 4mm makes, stress sectional area 60mm2.Calculating by yield strength σ s=235Mpa, stretching resistance: Fs is minimum=235x48=11280N.Safety factor calculates: 11280/500=22.56 > 8, meets working strength demand.Fastener: 4.8 grades, M8 bolt, shearing stress 0.7x400Mpa=280Mpa, stress sectional area 36.6mm2.Shearing resistance 280x36.6=10248N.Safety factor calculates: 10248/500=20.5 > 8.Meet working strength demand.4, the electric checking of layer door lock assembly adopts spring-piece type safety contact, and contact adopts existing main product, meets electric operating needs.Protective cover 5 is set, prevents laying dust and foreign material from falling into.
Above-mentioned a kind of elevator hall door lock device, its open locking verification method is: locking verification method is: when the right link plate of layer door gear is closed the door and moved to door-closing in-place precontract 3mm, bilateral contact 6 starts to contact with wiring contact 7, and keeps on-state to door-closing in-place; When the layer right link plate of door gear and the left link plate door-closing in-place of layer door gear, the dog hole 10 of hook plate 1 and the spiral arm front end engagement interlocking of latch hook 12; In the process of engagement interlocking, as depth of engagement >=7mm, large contact 11 starts to contact with bilateral contact 6, and electric authenticating security loop is connected, and keeps on-state to final depth of engagement, and namely when layer door lock engages about 8mm, safety return circuit is connected; When layer door lock breaks off relations, or the right link plate of layer door gear or the arbitrary link plate of the left link plate of layer door gear leave door-closing in-place position, and safety return circuit will be caused to disconnect; Verification method of unblanking is: during door opening action, the spiral arm of latch hook 12 rotates under the effect of door cutter, and spiral arm front end raises up, and depth of engagement reduces until break off relations; When depth of engagement is decreased to about 7mm, large contact 11 is separated with bilateral contact 6, and electric authenticating security loop disconnects, and enabling continuation action to the right link plate of layer door gear leaves opening position when being about 3mm, and bilateral contact 6 is separated with wiring contact 7.
In sum, a kind of elevator hall door lock device of the present invention judges the locking of validation layer door lock and putting in place of left and right door link plate by a loop simultaneously, and wiring is more succinct; Layer door lock is left and right link plate interlocking, improves safety: during layer door lock locking, can guarantee that left and right layer door must close, when avoiding the inefficacy of interlock steel rope or fracture, and the risk of one-sided layer door losing lock; Strong disconnected type safety contact guarantees that, when door-plate leaves make position, safety return circuit must disconnect.Circuit connection end is fixed on base plate, wiring and wiring operations simple.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.

Claims (3)

1. an elevator hall door lock device, is characterized in that: it comprises mechanical locking device and electric authenticating security loop; Described mechanical locking device comprises the hook plate (1) being fixed on the right link plate of layer door gear, and be fixed on the latch hook (12) of the left link plate of layer door gear, described hook plate (1) offers dog hole (10), during locking, the spiral arm front end of latch hook (12) can be engaged with dog hole (10) and keep interlocking state, when unblanking, the spiral arm front end of latch hook (12) rotates and raises up and break off relations and remove interlocking under the effect of door cutter; Described electric authenticating security loop comprises the wiring contact (7) be fixed on layer door gear base plate, the bilateral contact (6) be fixed on hook plate (1), and be fixed on the large contact (11) of spiral arm front end of latch hook (12), positive and negative terminals are arranged at wiring contact (7), positive and negative circuit is extended respectively by bilateral contact (6), submit tandem in large contact (11) to lead to, form loop; Described bilateral contact (6) is " L " type spring-piece type safety contact, and bilateral contact (6) contact with large contact (11) with wiring contact (7) respectively at closing time;
Locking verification method is: when the right link plate of layer door gear is closed the door and moved to 3mm before door-closing in-place, bilateral contact (6) start to contact with wiring contact (7), and keep on-state to door-closing in-place; When the layer right link plate of door gear and the left link plate door-closing in-place of layer door gear, the dog hole (10) of hook plate (1) and the spiral arm front end engagement of latch hook (12) interlock; In the process of engagement interlocking, as depth of engagement >=7mm, large contact (11) start to contact with bilateral contact (6), and electric authenticating security loop is connected, and keep on-state to final depth of engagement, and when layer door lock engagement 8mm, safety return circuit is connected; When layer door lock breaks off relations, or the right link plate of layer door gear or the arbitrary link plate of the left link plate of layer door gear leave door-closing in-place position, and safety return circuit will be caused to disconnect;
Verification method of unblanking is: during door opening action, the spiral arm of latch hook (12) rotates under the effect of door cutter, and spiral arm front end raises up, and depth of engagement reduces until break off relations; When depth of engagement is decreased to 7mm, large contact (11) are separated with bilateral contact (6), and electric authenticating security loop disconnects, and when enabling continuation action to the right link plate of layer door gear leaves opening position 3mm, bilateral contact (6) are separated with wiring contact (7).
2. a kind of elevator hall door lock device according to claim 1, is characterized in that: described latch hook (12) is also provided with the Compress Spring for auxiliary locking action.
3. a kind of elevator hall door lock device according to claim 1, is characterized in that: described hook plate (1) is also provided with protective cover (5).
CN201310181734.XA 2013-05-17 2013-05-17 A kind of elevator hall door lock device and open locking verification method Active CN103231973B (en)

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Publication number Priority date Publication date Assignee Title
CN104860147B (en) * 2015-06-15 2017-10-17 北京安泰鸿源电梯设计有限公司 Prevent accidental movement of elevator cage method
CN109399429B (en) * 2018-12-18 2020-11-13 日立电梯(中国)有限公司 Power-assisted door closing device for elevator hall door
CN109626187B (en) * 2018-12-18 2021-07-09 日立电梯(中国)有限公司 Supplementary closing device of hoistway door

Citations (2)

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CN202440214U (en) * 2012-02-08 2012-09-19 日立电梯(中国)有限公司 Waterproof elevator gate lock structure
CN203269295U (en) * 2013-05-17 2013-11-06 快意电梯股份有限公司 Elevator landing door lock device

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Publication number Priority date Publication date Assignee Title
JP2010208768A (en) * 2009-03-09 2010-09-24 Toshiba Elevator Co Ltd Door device of elevator
KR100991197B1 (en) * 2010-02-23 2010-11-01 지상열 Elevator door switchgear
CN101786569B (en) * 2010-02-24 2012-08-08 宁波市北仑欣凌电梯配件厂 Contact switch of elevator door lock

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202440214U (en) * 2012-02-08 2012-09-19 日立电梯(中国)有限公司 Waterproof elevator gate lock structure
CN203269295U (en) * 2013-05-17 2013-11-06 快意电梯股份有限公司 Elevator landing door lock device

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