CN109399429A - A kind of hoistway door power-assisted closing device - Google Patents

A kind of hoistway door power-assisted closing device Download PDF

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Publication number
CN109399429A
CN109399429A CN201811552013.4A CN201811552013A CN109399429A CN 109399429 A CN109399429 A CN 109399429A CN 201811552013 A CN201811552013 A CN 201811552013A CN 109399429 A CN109399429 A CN 109399429A
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CN
China
Prior art keywords
door
power
assisting device
power assisting
gate
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Granted
Application number
CN201811552013.4A
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Chinese (zh)
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CN109399429B (en
Inventor
陈昌伟
张晓玲
石文良
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Hitachi Elevator China Co Ltd
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Hitachi Elevator China Co Ltd
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Priority to CN201811552013.4A priority Critical patent/CN109399429B/en
Publication of CN109399429A publication Critical patent/CN109399429A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02Door or gate operation
    • B66B13/14Control systems or devices
    • B66B13/143Control systems or devices electrical

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

A kind of hoistway door power-assisted closing device, is provided with power assisting device on hoistway door on bank, the power assisting device has extended state and contraction state;Door-opened elevator and at closing time, the power assisting device is in extended state, offsets cooperation with the gate door knife, wherein in elevator shutdown end, the power assisting device completely closes hall door using gate driving force by the cooperation that offsets with the gate door knife;During elevator walks ladder up and down, the power assisting device is in contraction state, has certain interval with the gate door cutter, will not influence elevator and walk ladder.Apparatus of the present invention are not on the basis of increasing the nudging device power of hall door, using gate driving force hall door is completely closed in shutdown end, it does not influence to open the door and walk ladder again simultaneously, the influence of the stack effect of skyscraper to the failure that can not close the door of elevator door can be effectively reduced, oppressive rate is reduced, elevator service efficiency is improved.

Description

A kind of hoistway door power-assisted closing device
Technical field
The present invention relates to elevator technology fields, and in particular to a kind of hoistway door power-assisted closing device.
Background technique
Skyscraper is increasing, and elevator is brought greatly just as a kind of vertical transport tool to the daily trip of people Benefit.But the hall door that the stack effect of skyscraper causes very big difficulty, especially elevator to the use of elevator can not close the door Failure.So-called stack effect refers to, such as cold districts, and the outdoor environment temperature of skyscraper is low, outdoor air density Greater than interior, outdoor cold gas penetrates into interior by the entrance, hole, gap of building lower part, from elevator & stairs and piping shaft Equal vertical shafts float upwards and bleeding, in hoistway air and it is extraneous form convection current, caused elevator shaft is interior and hall door Side hall generates very big pressure difference.The resistance of air pressure official post hall door increases, since hall door loses gate side door electricity in shutdown end (elevator door is when completely closing and walks under scalariform state, and the idler wheel two sides of hall door lock and gate door cutter have centainly for the driving force of machine Gap T, end of the gap in door closing procedure generates, therefore can lose the driving of gate side door motor in shutdown end hall door Power), shutdown kinetic energy and nudging device power are insufficient to allow hoistway door to completely close, and then elevator breaks down, and generate tired People stops terraced crash phenomenon.
Chinese invention patent application open file CN105645237A " control method and system of elevator door-motor " is disclosed A kind of control method of elevator door-motor, it is exported ambient wind size by detecting the ambient wind size of elevator door-motor Door machine control system is given, door machine control system is automatically adjusted torque or door closing speed according to ambient wind size.But This method will detect the size of ambient wind, need corresponding detection device, increase cost.
Chinese invention patent application open file CN102653374A " door gear for taking the harmful wind countermeasure of elevator " is set There are harmful wind detection unit, shutdown auxiliary device and control unit, is overcome when having detected harmful wind using shutdown auxiliary device Strong wind is to hall door bring additional friction.
But these methods require to increase special detection unit or additional driving device is just able to achieve, and need in this way Increase more cost, while also be easy to causeing gate side motor driving force and power to increase, and be not easy on old elevator Optimization is improved, there is more inconvenience in practical applications.
Summary of the invention
Based on this, the invention reside in overcoming the deficiencies of existing technologies, before not increasing the nudging device power of hall door It puts, a kind of hoistway door power-assisted closing device is provided, auxiliary force is provided in hall door shutdown end, to reduce the cigarette of skyscraper Influence of the chimney effect to the failure that can not close the door of elevator door.
To achieve the above object, the present invention can be achieved by the following technical programs:
A kind of hoistway door power-assisted closing device is provided with power assisting device, the power assisting device on hoistway door on bank With extended state and contraction state;Door-opened elevator and at closing time, the power assisting device is in extended state, with the gate door Knife offsets cooperation, wherein in elevator shutdown end, the power assisting device passes through the cooperation that offsets with the gate door knife, utilizes Gate driving force completely closes hall door, solves hall door and loses gate side door motor driving force in shutdown end and cause not The problem of capable of completely closing;During elevator walks ladder up and down, the power assisting device is in contraction state, with the gate door cutter There is certain interval, will not influence elevator and walk ladder.
Further, (i.e. hall door is in the meeting of shutdown end after hall door lock idler wheel in shutdown end is separated with the gate door knife When the driving force for thering is the distance of gap T to lose gate side door motor), the gate door knife and the power assisting device offset cooperation, The gate door knife pushes the power assisting device, so that hoistway door completely closes.
Further, the power assisting device includes bracket, electromagnetic coil, spring, axis, and the power assisting device is fixed on described In hall door on the gantry crane plate of bank, the electromagnetic coil is set to the bracket front end, described to be located in electromagnetic coil axis position The front end set, the spring are connect with one end of the axis, set on the other side of the electromagnetic coil;The electromagnetic coil obtains electric When, the axis is moved along the electromagnetic coil axis toward the electromagnetic coil side, and the power assisting device is in contraction state, described The axis of power assisting device and the gate door cutter have certain interval, will not influence away ladder;When the electromagnetic coil power loss, institute It states axis to reset under the action of the spring, the power assisting device is in extended state, the front end of the axis and the gate door Knife offsets cooperation.
Further, the bracket is " 7 " font bracket.
Further, the electromagnetic coil is horizontally disposed, is set on the right side of described " 7 " font bracket, the spring is set to institute The right positions for stating axis, after reset, the front end of the axis and the gate door knife right arm offset cooperation.
The beneficial effects of the present invention are: in door closing procedure, when power assisting device is in extended state, power assisting device and gate Door knife offsets cooperation, using gate driving force hall door is completely closed, in the base for the nudging device power for not increasing hall door On plinth, solve the problems, such as that hall door loses gate side door motor driving force in shutdown end and causes to be unable to completely close;In electricity When walking ladder above and below terraced, power assisting device is in contraction state, has certain interval with gate door cutter, will not influence elevator and walk ladder.This Invention device makes hall door using gate driving force on the basis of not increasing the nudging device power of hall door, in shutdown end It completely closes, while not influencing to open the door and walk ladder again, stack effect can not close to elevator door of skyscraper can be effectively reduced The influence of door failure, reduces oppressive rate, improves elevator service efficiency.
Detailed description of the invention
Fig. 1 is schematic diagram when hall door described in the embodiment of the present invention completely closes;
Fig. 2 is top view when Room gate described in the embodiment of the present invention completely closes;
Fig. 3 is hall door door opening process schematic diagram described in the embodiment of the present invention;
Fig. 4 is Room gate door opening process top view described in the embodiment of the present invention;
Fig. 5 is hall door power assisting device schematic diagram when walking ladder described in the embodiment of the present invention;
In figure: 100, bank in hall door;101, guide rail;102, left-hand door platform sling;103, left door plate;104, right gantry crane plate;105, Door lock;1051, door lock left wheel;1052, the right idler wheel of door lock;106, right door plate;107, door boots;108, sill;200, linkage dress It sets;201, wirerope;202, pulley;300, nudging device, 301, bracket;302, self-closing spring;400, power assisting device; 401, " 7 " font bracket;402, electromagnetic coil;403, axis;404, spring;500, gate door knife;501, door knife left arm;502, door Knife right arm;600, gate.
Specific embodiment
In order to which the objects, technical solutions and advantages of the invention patent are more clearly understood, below in conjunction with attached drawing and implementation Example, is further elaborated the invention patent.It should be appreciated that specific embodiment described herein is only used to explain The invention patent is not intended to limit the present invention patent.
Embodiment:
As shown in Figs. 1-5, a kind of hoistway door power-assisted closing device is provided with power-assisted dress on hoistway door on bank 100 400 are set, the power assisting device 400 is set to gate door knife 500 close to the side (under leveling state) of elevator middle line, has stretch-like State (402 power failure state of electromagnetic coil) and contraction state (electromagnetic coil obtains electricity condition);Door-opened elevator and at closing time, the power-assisted Device 400 is in extended state (electromagnetic coil 402 is in power failure state), offsets cooperation with the gate door knife 500, wherein In elevator shutdown end, the power assisting device 400 utilizes gate by the cooperation (gap A=0) that offsets with the gate door knife 600 driving force completely closes hall door, solves hall door and loses gate side door motor driving force in shutdown end and cause The problem of being unable to completely close;During elevator walks ladder up and down, the power assisting device 400 is in contraction state, with the gate Door knife 500 has certain interval (gap A > 0), will not influence elevator and walks ladder.
Specifically, in the present embodiment, bank 100 has guide rail 101 in hall door, and left door plate 103 and the hanging of left-hand door platform sling 102 are being led On rail, right door plate 106 and the hanging of right gantry crane plate 104 have a boots 107 below door-plate, door boots 107 are in 108 slot of sill on guide rail Sliding, to form reciprocating motion and switch gate.It is provided with door lock 105 on right gantry crane plate 104, has door lock to roll left on door lock 105 Wheel 1051 and the right idler wheel 1052 of door lock, door lock 105 are de- with lock in the case where the door knife left arm 501 of door knife 500 drives with door opening process It is unlocked from engagement, door closing procedure is on the contrary.It is walked under scalariform state when left door plate 103 and right door plate 106 completely close with elevator, door lock 105 idler wheel two sides and door knife 500 have gap T (as shown in Figure 2);When without using power-assisted closing device 400, hall door is at end of closing the door The distance that end has gap T loses the driving force of gate side door motor, is easy to appear hoistway door when existing compared with atm difference The phenomenon that being unable to completely close, in addition occur elevator faults, it is oppressive, stop terraced crash phenomenon.
Specifically, nudging device 300, including bracket 301 are provided in hall door on bank 100, self-closing spring 302 should Device one end is fixed in hall door on bank 100, and the other end connects left-hand door platform sling 102 by bracket 301, which have hall door The power closed the door to center, makes hall door be in normally off.But the power cannot be too big, causes greatly very much to open the door difficult, while gate side Need biggish torque output and power of motor.
Specifically, linkage 200 is provided in hall door on bank 100, the linkage 200 includes 201 He of wirerope Two gantry crane plates are connected by pulley 202, the linkage, i.e., a gantry crane plate stress, two doors move simultaneously.
Specifically, power assisting device 400 described in the present embodiment is fixed in the hall door on the right gantry crane plate 104 of bank 100, Including " 7 " font bracket 401, electromagnetic coil 402, spring 404, axis 403.The electromagnetic coil 402 is horizontally disposed, is set to described 401 front end of " 7 " font bracket, the axis 403 are set to the front end of 402 axial location of electromagnetic coil, can be along the electromagnetic wire It encloses 402 center lines to horizontally slip, the spring 404 is connect with one end of the axis 403, and the spring 404 is set to the electromagnetism The right positions of coil 402.When the electromagnetic coil 402 obtains electric, the axis 403 is attracted to the electromagnetic coil 402, i.e., along institute 402 axis of electromagnetic coil is stated toward moving left, the power assisting device 400 is in compressive state;When 402 power loss of electromagnetic coil, The power assisting device 400 is in extended state, and the axis 403 resets under the action of spring 404, the axis after reset 403 front end and the gate door knife 500 offset cooperation, the front end of axis 403 and 502 gapless of door knife right arm.
As shown in figure 5, electromagnetic coil 402 must be electric, and power assisting device 400 is in compressive state during elevator walks ladder up and down, Axis 403 and electromagnetic coil 402 are attracting, so that door knife right arm 502 and axis 403 have certain interval A (A is greater than 0), will not influence elevator Walk ladder.
Such as Fig. 1, shown in Fig. 3, Elevator landing, after door machine receives door open command, gate 600 is first moved, door knife left arm 501 It is come into contact with door lock left wheel 1051, door lock 105 is pivoted lift hook unlock, and left door plate 103 and right door plate 106 are opened to two sides Door, 402 power loss of electromagnetic coil, axis 403 are moved to door knife right arm 502 under the effect of spring 404 and are resetted, and power assisting device, which is in, to be stretched Exhibition state offsets cooperation with gate door knife 500, and the gap A between axis 403 and door knife right arm 502 becomes 0, and gate door knife 500 presss from both sides Tight hall door locks idler wheel to the end of opening the door.
Door closing procedure: left door plate 103 and right door plate 106 are driven in the preceding middle section of shutdown by the door knife 105 of gate 600, are being closed After the right idler wheel 1052 of door end hall door lock is separated with door knife right arm 502, due to 402 power loss of electromagnetic coil, power assisting device 400 is in Extended state, power assisting device 400 utilize the drive of gate 600 by the cooperation (gap A=0) that offsets with the gate door knife 502 Power completely closes hall door, solves hall door and loses gate side door motor driving force in shutdown end and cause cannot be complete The problem of closing.
After elevator door receives away ladder instruction, the electromagnetic coil 402 of power assisting device 400 obtains electric, axis 403 and door knife right arm 502 It generates gap (A > 0), will not influence enabling and walks ladder.
Embodiment described above and other legends only express one embodiment of the present invention, only indicate that without It is the limitation present invention.For those of ordinary skill in the art, without departing from the inventive concept of the premise, it can also do Several modifications and improvements out.Therefore, protection scope of the present invention should be determined by the appended claims.

Claims (5)

1. a kind of hoistway door power-assisted closing device, which is characterized in that power assisting device is provided on bank on hoistway door, it is described Power assisting device has extended state and contraction state;Door-opened elevator and at closing time, the power assisting device is in extended state, with institute It states gate door knife to offset cooperation, wherein in elevator shutdown end, the power assisting device with the offseting for gate door knife by matching It closes, using gate driving force hall door is completely closed;During elevator walks ladder up and down, the power assisting device is in contraction-like State has certain interval with the gate door cutter, will not influence elevator and walk ladder.
2. a kind of hoistway door power-assisted closing device according to claim 1, which is characterized in that locked in shutdown end hall door After idler wheel is separated with the gate door knife, the gate door knife and the power assisting device offset cooperation, the gate door knife promotion The power assisting device, so that hoistway door completely closes.
3. a kind of hoistway door power-assisted closing device according to claim 1, which is characterized in that the power assisting device includes Bracket, electromagnetic coil, spring, axis, the power assisting device are fixed on the gantry crane plate of bank in the hall door, and the electromagnetic coil is set In the bracket front end, the front end for being located in the electromagnetic coil axial location, one end company of the spring and the axis It connects, set on the other side of the electromagnetic coil;When the electromagnetic coil obtains electric, the axis is along the electromagnetic coil axis described in Electromagnetic coil side is mobile, and the power assisting device is in contraction state, the axis of the power assisting device and the gate door cutter There is certain interval, does not influence ladder;When the electromagnetic coil power loss, the axis resets under the action of the spring, described to help Power device is in extended state, and the front end of the axis and the gate door knife offset cooperation.
4. a kind of hoistway door power-assisted closing device according to claim 3, which is characterized in that the bracket is " 7 " word Type bracket.
5. a kind of hoistway door power-assisted closing device according to claim 4, which is characterized in that the electromagnetic coil is horizontal Setting is set on the right side of described " 7 " font bracket, and the spring is set to the right positions of the axis, after reset, the front end of the axis It offsets cooperation with the gate door knife right arm.
CN201811552013.4A 2018-12-18 2018-12-18 Power-assisted door closing device for elevator hall door Active CN109399429B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811552013.4A CN109399429B (en) 2018-12-18 2018-12-18 Power-assisted door closing device for elevator hall door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811552013.4A CN109399429B (en) 2018-12-18 2018-12-18 Power-assisted door closing device for elevator hall door

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CN109399429B CN109399429B (en) 2020-11-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110963391A (en) * 2019-12-23 2020-04-07 华南理工大学 Novel chimney effect resistant intelligent induction door system for high-rise building and control method
CN111689351A (en) * 2019-03-11 2020-09-22 上海三菱电梯有限公司 Elevator landing door device and method for detecting whether main device for forcedly closing door is normal or not
CN113086815A (en) * 2021-03-31 2021-07-09 日立电梯(中国)有限公司 Push-down elevator layer is from closing device for door

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JPH10310351A (en) * 1997-05-08 1998-11-24 Mitsubishi Denki Bill Techno Service Kk Landing door closing device for elevator
JP2001253671A (en) * 2000-03-09 2001-09-18 Toshiba Corp Interlocking device for elevator door
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111689351A (en) * 2019-03-11 2020-09-22 上海三菱电梯有限公司 Elevator landing door device and method for detecting whether main device for forcedly closing door is normal or not
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CN113086815A (en) * 2021-03-31 2021-07-09 日立电梯(中国)有限公司 Push-down elevator layer is from closing device for door
CN113086815B (en) * 2021-03-31 2022-10-04 日立电梯(中国)有限公司 Push-down elevator layer is from closing device for door

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