CN109230964A - A kind of door interlock - Google Patents
A kind of door interlock Download PDFInfo
- Publication number
- CN109230964A CN109230964A CN201811425283.9A CN201811425283A CN109230964A CN 109230964 A CN109230964 A CN 109230964A CN 201811425283 A CN201811425283 A CN 201811425283A CN 109230964 A CN109230964 A CN 109230964A
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- CN
- China
- Prior art keywords
- door
- protective door
- lock
- travel switch
- cage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
- B66B13/185—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors electrical
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/08—Locks or fastenings for special use for sliding wings
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Structural Engineering (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The present invention provides a kind of door interlocks, including travel switch, electromagnetic lock, mechanical lock, emergency lock, door open button and control circuit, the travel switch include travel switch I for obtaining cage leveling signal and for detect protective door open or close whether travel switch II in place, the travel switch I, travel switch II, emergency lock, electromagnetic lock, door open button electrical connection, the locking device being equipped on the protective door for be equipped with mechanical lock for locking another fan protective door;It connects for realizing the travel switch I and door open button of co- controlling electromagnetic lock on-off, the emergency lock in case of emergency opening protective door is connected with electromagnetic lock, and the travel switch II being arranged on each layer protective door is connected with control circuit;The travel switch I includes the collision block being arranged on cage and being arranged on cage guide rail makes cage inside bottom surface and flat layered planes leveling error be no more than positive and negative 15 centimetres of contact.
Description
Technical field
The present invention relates to elevator technology field more particularly to door interlock fields.
Background technique
Elevator is indispensable a kind of mechanical equipment in modern high-rise building work progress, and main function is by ground
The construction material in face is transported to Construction of High-rise scene, and the conevying efficiency of elevator directly affects the progress of engineering, especially goes up and down
The cage of machine carries the effect of transport material, elevator is while guaranteed efficiency as the prevailing traffic structure of elevator
It should also be as the requirement for being able to satisfy construction safety, the protective door of elevator craning cage is not allow at will to beat during transporting material
It opens, designer devises diversified interlock to the protective door of elevator thus.
One kind disclosed in Patent No. CN03272446.2 is used for the electromechanical interlock of building hoist (material frame) safety door
Device, electro-magnetic mechanical lock are installed on the safety door of elevator, and position detection is packaged to be located on the cage of building hoist, induction
On the position that device is installed in floor or rack is fixed, and the detection output signal and electro-magnetic mechanical lock of position detection block and inductor
Control device connection, position detection block detects cage position, and the safety door for reaching the floor that only cage is stopped can just open
It opens, a kind of interlock for protective door machinery disclosed in Patent No. CN201020144920.8, including cage, protective door
With the interlock being arranged on protective door, the interlock includes jam plate, slide bar, link block, fixed block, connecting rod and door shield
Plate, the jam plate are equipped with slide bar, and jam plate corresponding with slide bar is equipped with fixed block, one end of slide bar and the movement rail of cage
Mark is corresponding, and the other end of slide bar is connected with link block, and link block is mutually positioned with connecting rod, and connecting rod is equipped with door guard plate, door shield
Plate distribution corresponding with protective door, a kind of building hoist and floor protection door disclosed in Patent No. CN201020691586.8
Interlock including the corresponding travel switch for being installed on construction elevator cage side top and bottom further include that correspondence is set
Baffle-type blocking apparatus in floor protection door side surface upper part and lower part, one end of the baffle-type blocking apparatus connecting stay wire,
The bracing wire other end is connect with floor protection door door Hinge, a kind of control disengaging disclosed in Patent No. CN201120400256.3
The door of building hoist hoistway layer mouth, including detect elevator car location status carriage detection device, including with the sedan-chair
The automatic lock of compartment detection device linkage is locked close to the position of door-hinge equipped with door-hinge on door leaf, and door-hinge is equipped with to be locked with the door-hinge
The active edges of corresponding door-hinge fore shaft, door leaf are equipped with leaf lock, are also fixed with door leaf fore shaft corresponding with the leaf lock, from
Dynamic lock is locked with door-hinge and leaf lock is connect, a kind of building hoist stop door disclosed in Patent No. CN201220601042.7
Electromechanical interlocking device, including doorframe, travel switch, shaft, door leaf, door shelves connection block assembly, baffle, interlocking hook assembly, support
Plate and door shield, door leaf, which is mounted on doorframe, to horizontally rotate, and door shield connecting frame component is bolted on doorframe, door shield
The cylindrical shaft at both ends is inserted in the hole of door shield coupling assembly and be can be rotated, and travel switch is bolted on doorframe, shaft
Couple with two support plates being welded on door shield, interlocking hook assembly couples with shaft, and interlocking hook assembly can rotate around the axis, and keeps off
Plate is welded on doorframe, the rotation of limitation interlocking hook assembly left direction.
Interlock in above-mentioned patent can make the protective door of elevator craning cage that cannot at will open, such as: lifting
In machine operational process, only when cage is in target position, the protective door of this layer can just be opened while other each layer protective doors
Cannot open, any one layer of protective door cannot be opened cage in the process of running, and protective door open when,
Cage is in off-position and cannot run, and only cage can just be run after protective door is closed, and this interlock improves
The security performance of elevator in the process of running, avoids operator's misoperation and opens the protective door of non-targeted position
Security risk is caused, but the technical solution structure of above-mentioned patent disclosure is more complicated, and the door-opening mode of protective door is more single
One, the dual-purpose need of goods that ask for help are unable to satisfy in GB26557-2011 " the dual-purpose building hoist of people's goods that cage has vertically-guided "
It asks, and protective door locking effect is poor, is easy to be opened by external force, there are security risks.
Using independent mechanical lock is arranged on two protective doors, protective door closes the locking mode of protective door in the prior art
Protective door is locked by the upper mechanical lock of every fan protective door after conjunction, this structure makes protective door, and structure is complicated, for example needs
Will be arranged on every fan protective door for detect protective door open or close whether detection switch in place, will necessarily make in this way
At protective door structure complexity, improve the manufacturing cost of protective door.
Summary of the invention
To overcome the above-mentioned problems in the prior art, the present invention provides a kind of door interlocks, including stroke to open
Pass, electromagnetic lock, mechanical lock, emergency lock, door open button and control circuit, the travel switch include for obtaining cage leveling letter
Number travel switch I and for detect protective door open or close whether travel switch II in place, the travel switch I, row
Cheng Kaiguan II, emergency lock, electromagnetic lock, door open button electrical connection, it is described to be equipped on the protective door for be equipped with mechanical lock for locking
The locking device of tight another fan protective door;It connects for realizing the travel switch I and door open button of co- controlling electromagnetic lock on-off,
The emergency lock in case of emergency opening protective door is connected with electromagnetic lock, and the stroke being arranged on each layer protective door is opened
II is closed to connect with control circuit;The travel switch I includes that the collision block being arranged on cage and setting make to hang on cage guide rail
Cage inside bottom surface and flat layered planes leveling error are no more than positive and negative 15 centimetres of contact, and the locking device is baffle, the gear
Piece one end is arranged on the protective door equipped with mechanical lock, and the baffle other end extends to another fan protective door institute planar,
The baffle setting is in protective door enabling side, only mechanical when being equipped with by the way that baffle is arranged on the protective door for being equipped with mechanical lock
Another fan protective door could be opened after the protective door of lock is opened, and when closing protective door, only first shut and do not set machinery
Then the protective door of lock turns off the protective door equipped with mechanical lock, just can guarantee that protective door is closed in place, this structure makes to protect
Door protective door when machinery is not turned on can not be opened, and the security performance of elevator is improved.
Preferably, the cross section of the locking device is L-shaped, the L-shaped locking device in cross section has more such as anti-
Curved performance improves the locking effect of protective door.The locking device is welded on protective door, and locking device is by welding
The bonding strength for improving locking device and protective door on protective door is set, the locking effect of protective door is further improved.
The locking device is arranged on protective door by bolt, and locking device is arranged on protective door by bolt, makes locking device
It can replace, it is easy to use.
Preferably, the emergency lock includes the control switch to connect with electromagnetic lock and acts for realizing control switch
Lock core, the control switch obtain action signal by the mode of touching, and institute's lock core is equipped with the resetting apparatus for resetting lock core, answers
Anxious lock connects with electromagnetic lock, and operation emergency lock will drive electromagnetic lock movement when acting, and electromagnetic lock is the master for controlling protective door movement
Component is wanted, connection type emergency lock connects with electromagnetic lock, improves the security performance of elevator, and the control for lock of meeting an urgent need is opened
It closes and action signal is obtained by the mode of touching, simplify the structure of emergency lock, reduce the manufacturing cost of emergency lock.
Preferably, the control switch is equipped with the contact of acquisition action signal, the lock core is equipped with for transmitting
Signal is to the extension type push rod of contact, and the push rod is equipped with the reset spring for making push rod automatically reset, extension type push rod
In action process, the active force that operation emergency lock makes push rod overcome reset spring is forward extended out, and touches the contact of control switch,
Control switch movement, automatically resets after the completion of movement using reset spring, structure is simple, easy to use.
Preferably, the closed side of protective door is arranged in the mechanical lock, the mechanical lock is equipped with for locking protection
The locking pin of door, the protective door are equipped with location hole compatible with locking pin, and the closed side of protective door is arranged in mechanical lock,
Be conducive to mechanical lock locking protective door, improve the positioning intensity of protective door, protective door is not easy to be opened by external force, improves liter
The security performance of drop machine, mechanical lock lock protective door by locking pin and location hole, and structure is simple, and manufacturing cost is low.
Preferably, the door open button is arranged on the doorframe of protective door, the doorframe, which is equipped with, makes button be hidden in door
The pit of frame plane, the pit are in convenient for the truncated cone-shaped of operation door open button, since elevator is as constructional engineering machinery, work
It is comparatively severe to cross environment, is inevitably collided during carrying out practically, door open button protrusion setting is easy to
There is maloperation, door open button set may be made due to operator's accident collision, it is flat which makes door open button be hidden in doorframe
In face, avoiding accident collision makes door open button set, easy to use.
Preferably, the door open button has set and removes a two states, and state that there are two the door open buttons, one
A state makes door open button set, and another state makes door open button that position be gone to reset, and operator's clamshell doors are pressed in use process
Door open button can also be made to reset by another state of door open button after button maloperation, improve the work effect of elevator
Rate.
Door interlock provided by the invention has the advantages that the protective door for being equipped with mechanical lock is equipped with for locking
The locking device of tight another fan protective door, by the way that locking device is arranged on the protective door for being equipped with mechanical lock, only when the machine of being equipped with
Another fan protective door could be opened after the protective door of tool lock is opened, and when closing protective door, only first shut and do not set machine
Then the protective door of tool lock turns off the protective door equipped with mechanical lock, just can guarantee that protective door is closed in place, this structure makes to prevent
Shield door protective door when machinery is not turned on can not be opened, and improve the security performance of elevator, and by organic in installation
The protective door of tool lock is equipped with the locking device for locking another fan protective door, can be only on the protective door of installation mechanical lock
Be arranged for detect protective door open or close whether detection switch in place because close protective door when have to first close
That fan protective door for being not provided with mechanical lock is closed, if that fan protective door for being not provided with mechanical lock is not turned off, operating personnel
It can be intuitive to see very much, it is possible to only be arranged one and open or close for detecting protective door and be less than the detection of position and open
It closes, simplifies the structure of protective door.
When cage is run to the leveling error of setting, it is arranged on guide rail on collision block triggering travel switch I on cage
Contact, turns it on and operator's touch door open button makes its set, just electromagnetic lock can be made to obtain electric opening, protective door is opened
It closes, when power-off can make electromagnetic lock automatic locking, and protective door is able to locking and closes.
When being in an emergency, opening emergency lock opens electromagnetic lock after circuit conducting, can open protective door, protect
When door is opened, travel switch II powers off cage, and cage cannot be run, and only in each protective door whole closed state, cage is
It can run up and down.Cage is powered off in stop layers, opens protective door using mechanical lock.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of door interlock of the present invention,
Attached drawing 2 is enlarged drawing at door interlock A of the present invention,
Attached drawing 3 is enlarged drawing at door interlock B of the present invention,
Attached drawing 4 is enlarged drawing at door interlock C of the present invention,
Attached drawing 5 is door interlock electrical schematic diagram of the present invention,
Attached drawing 6 is locking device schematic diagram in the present invention.
As shown in the figure 1, protective door, 2, doorframe, 3, emergency lock, 4, mechanical lock, 5, door open button, 51, pit, 6, electromagnetism
Lock, 7, travel switch I, 8, locking device
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
As shown in figs 1 to 6, the present invention schematically illustrates a kind of door interlock.
The present invention discloses a kind of door interlocks, such as Fig. 1, and shown in Fig. 5, door interlock work provided by the invention is former
Reason are as follows: when cage is run to the leveling error of setting, setting on the collision block triggering travel switch I 7 of cage bottom is set and is existed
Contact on guide rail, contact set conducting and operator, which touch door open button 5, makes its set, contact, door open button 5, electromagnetism
Lock 6 connection type be series connection, so only contact and door open button 5 all set when can just make electromagnetic lock 6 electric opening, electromagnetism
Lock 6 discharges protective door 1 after must opening, and protective door 1 is just switched, and when protective door 1 is opened, the movement of travel switch II keeps cage disconnected
Electricity, off-position guarantee that cage cannot be run, and only in the whole closed states of all protective doors 1, cage can just be powered on, and then hang
Cage is just run, and electromagnetic lock 6 is automatic locking when elevator powers off, and protective door 1 is able to locking and closes;When being in an emergency,
Opening emergency lock 3 opens electromagnetic lock 6 after circuit conducting, and electromagnetic lock 6 can open protective door 1 after opening;Cage is in stop layers
When power off, protective door 1 is opened using mechanical lock 4.
As shown in Figure 1, the mechanical structure of door interlock provided by the invention are as follows: door interlock, the gate interlock dress
It sets including travel switch, electromagnetic lock 6, mechanical lock 4, emergency lock 3, door open button 5 and control circuit, the travel switch includes using
In the travel switch I 7 for obtaining cage leveling signal and for detect protective door 1 open or close whether travel switch in place
II, when the leveling refers to cage close to bus stop, cage inner bottom surface to be made and bus stop ground reach conplane movement,
The travel switch I 7, travel switch II, emergency lock 3, electromagnetic lock 6, door open button 5 are electrically connected;For realizing co- controlling electricity
The travel switch I 7 and door open button 5 of 6 on-off of magnetic padlock are connected, described in case of emergency opening the emergency lock 3 of protective door 1
It connects with electromagnetic lock 6, the travel switch II being arranged on each layer protective door 1 is connected with control circuit;The travel switch I 7 wraps
Including the collision block being arranged on cage and setting is no more than cage inside bottom surface with flat layered planes leveling error
Positive and negative 15 centimetres of contact, in conjunction with specific structure, the travel switch I 7 includes that the collision block being arranged at the top of cage exists with setting
Contact on guide rail, described every layer of contact, which is separately positioned on, makes cage inside bottom surface at a distance from flat layered planes not higher than 15 lis
At rice and make cage inside bottom surface at a distance from flat layered planes not less than 15 centimeters, cage is run to the leveling error of setting
When, i.e., in positive and negative 15 centimetres of flat layered planes when, touching on guide rail is set in the collision block triggering of cage upper stroke switch I 7
Head, turns it on and operator's touch door open button 5 makes its set, so that electromagnetic lock 6 is obtained electric opening, protective door 1 is able to
Switch, power-off can make electromagnetic lock 6 automatic locking, and protective door 1 is able to locking and closes, and when being in an emergency, opening emergency lock 3 makes
Electromagnetic lock 6 is opened after circuit conducting, can open protective door 1, when protective door 1 is opened, travel switch II powers off cage, hangs
Cage cannot be run, and only in the whole closed states of each protective door 1, cage operation, cage could be powered off in stop layers up and down;It can benefit
Protective door 1 is opened with mechanical lock 4;Door interlock provided by the invention meets GB26557-2011, and " cage has vertically-guided
The dual-purpose building hoist of people's goods " requirement in standard, cage langding accuracy is high, and 1 door-opening mode of protective door is flexible, and structure
Simply, manufacturing cost is low, improves the security performance of elevator.
As shown in fig. 6, the lock being equipped on the protective door 1 for be equipped with mechanical lock 4 for locking another fan protective door 1
Tight device 8, the locking device 8 are baffle, and described baffle one end is arranged on the protective door equipped with mechanical lock 4, the baffle
The other end extends to another 1 institute of fan protective door planar, and the baffle setting is in 1 enabling side of protective door, by the machine of being equipped with
Baffle is set on the protective door of tool lock 4, and only another fan protective door 1 could be beaten after the protective door 1 for being equipped with mechanical lock 4 is opened
It opens, when closing protective door 1, only first shuts the protective door 1 for not setting mechanical lock 4 and then turn off equipped with mechanical lock 4
Protective door 1, just can guarantee protective door 1 close in place, this structure makes the protective door 1 when mechanical lock 4 is not turned on of protective door 1
It can not open, improve the security performance of elevator, the cross section of the locking device 8 is L-shaped, the L-shaped locking in cross section
Device 8 has anti-bending strength more such as, improves the locking effect of protective door 1, and the locking device 8 is welded on protective door, locks
The bonding strength that locking device 8 Yu protective door 4 are improved on protective door 4 is arranged in tight device 8 by welding, further
The locking effect of protective door 4 is improved, the locking device 8 can also be arranged on protective door 4 by bolt, locking device 8
It is arranged on protective door 4 by bolt, replaces locking device 8, it is easy to use, it can be as needed during specifically used
Baffle is arranged on protective door 1 by way of releasable connection or non-disconnectable connection, the baffle other end extends to another
Fan 1 institute of protective door planar, the baffle setting is in 1 enabling side of protective door, by the protective door 1 for being equipped with mechanical lock 4
Baffle is set, and only another fan protective door 1 could be opened after the protective door 1 for being equipped with mechanical lock 4 is opened, and close protective door 1
When, it only first shuts the protective door 1 for not setting mechanical lock 4 and then turns off the protective door 1, Cai Nengbao equipped with mechanical lock 4
It demonstrate,proves protective door 1 to close in place, this structure open the protective door 1 when machinery is not turned on of protective door 1 can not, improve lifting
The security performance of machine.
In order to further increase security performance when elevator uses, same height of the travel switch I 7 at the top of cage
Two collision blocks are set on degree, and the guide rail is equipped with two pairs of contacts, still can guarantee to rise in the case where wherein one failure
Drop machine works normally, and improves the stability of elevator, extends the service life of elevator.
Further, as shown in Fig. 2, emergency lock 3 includes the control switch to connect with electromagnetic lock 6 and for realizing control
The lock core of switch motion processed, the control switch obtain action signal by the mode of touching, and institute's lock core, which is equipped with, resets lock core
Reset spring, the control switch be equipped with acquisition action signal contact, the lock core be equipped with for delivering a signal to
The extension type push rod of contact, the push rod automatically reset under the action of reset spring, and extension type push rod is in action process
In, the active force that operation emergency lock 3 makes push rod overcome reset spring forward extends out, and touches the contact of control switch, control switch
Movement, automatically resets after the completion of movement using reset spring, structure is simple, easy to use.
Further, as shown in figure 3, the closed side of protective door 1 is arranged in the mechanical lock 4, the mechanical lock 4 is equipped with
For locking the locking pin of protective door 1, the protective door 1 is equipped with location hole compatible with locking pin, and the setting of mechanical lock 4 exists
The closed side of protective door 1 is conducive to mechanical lock 4 and locks protective door 1, improves the positioning intensity of protective door 1, protective door 1 is not allowed
It is easily opened by external force, improves the security performance of elevator, mechanical lock 4 locks protective door 1, structure by locking pin and location hole
Simply, manufacturing cost is low.
Further, it as shown in figure 4, the door open button 5 is arranged on the doorframe 2 of protective door 1, is set on the doorframe 2
There is the pit 51 for making button be hidden in 2 plane of doorframe, the pit 51 is in convenient for the truncated cone-shaped of operation door open button 5, due to lifting
For machine as constructional engineering machinery, it is comparatively severe that work crosses environment, is inevitably collided, opens during carrying out practically
It is easy to appear maloperations for the setting of the door protrusion of button 5, and 5 set of door open button, the knot may be made due to operator's accident collision
Structure is hidden in door open button 5 in 2 plane of doorframe, and avoiding accident collision makes 5 set of door open button, easy to use.
In order to make more convenient operation, the door open button 5 has set and removes a two states, and the door open button 5 has
Two states, a state make 5 set of door open button, and another state resets door open button 5, operator couple in use process
Door open button 5 can also be made to reset after 5 maloperation of door open button by another state of door open button 5, improve elevator
Working efficiency.
Above-mentioned technical proposal in use, cage work normally when protective door 1 door-opening mode are as follows: cage run to
When in the leveling error of setting, the contact being arranged on guide rail on the collision block triggering travel switch I 7 of cage bottom, touching are set
Head set conducting and operator, which touch door open button 5, makes its set, contact, door open button 5, electromagnetic lock 6 connection type be
Series connection, thus only contact and door open button 5 all set when can just make electromagnetic lock 6 electric opening, electromagnetic lock 6 discharges after must opening
Protective door 1, protective door 1 are just switched, and when protective door 1 is opened, the movement of travel switch II powers off cage, and off-position guarantees
Cage cannot be run, and only in the whole closed states of all protective doors 1, cage can just be powered on, and then cage is just run, and rise
Electromagnetic lock 6 is automatic locking when drop machine powers off, and protective door 1 is able to locking and closes.
The door-opening mode of protective door 1 when being in an emergency are as follows: opening emergency lock 3 opens electromagnetic lock 6 after circuit conducting,
Electromagnetic lock 6 can open protective door 1 after opening, and emergency lock 3 includes the control switch to connect with electromagnetic lock 6 and for realizing control
The lock core of switch motion processed, the control switch obtain action signal by the mode of touching, and institute's lock core, which is equipped with, resets lock core
Reset spring, the control switch be equipped with acquisition action signal contact, the lock core be equipped with for delivering a signal to
The extension type push rod of contact, the push rod automatically reset under the action of reset spring, and extension type push rod is in action process
In, the active force that operation emergency lock 3 makes push rod overcome reset spring forward extends out, and touches the contact of control switch, control switch
Movement, automatically resets after the completion of movement using reset spring.
Cage powers off the door-opening mode of protective door 1 in stop layers are as follows: protective door 1 is opened using mechanical lock 4, by with machine
The key of 4 cooperation of tool lock can directly open protective door 1 in the event of a power failure.
Door interlock provided by the invention meets GB26557-2011, and " cage has the dual-purpose construction of people's goods of vertically-guided to rise
Drop machine " requirement in standard, cage langding accuracy is high, and 1 door-opening mode of protective door is flexible, and structure is simple, manufacturing cost is low,
Improve the security performance of elevator.
The locking device for locking another fan protective door is equipped on the protective door for be equipped with mechanical lock, by being equipped with
Locking device is set on the protective door of mechanical lock, and only another fan protective door could be beaten after the protective door for being equipped with mechanical lock is opened
It opens, when closing protective door, only first shuts the protective door for not setting mechanical lock and then turn off anti-equipped with mechanical lock
Door is protected, just can guarantee that protective door is closed in place, this structure open protective door protective door when machinery is not turned on can not, mention
The high security performance of elevator.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (4)
1. a kind of door interlock, it is characterised in that: including travel switch, electromagnetic lock (6), mechanical lock (4), emergency lock (3), open
Door button (5) and control circuit, the travel switch include travel switch I (7) for obtaining cage leveling signal and are used for
Detection protective door (1) open or close whether travel switch II in place, the travel switch I (7), travel switch II, emergency
(3), electromagnetic lock (6), door open button (5) electrical connection are locked, described be equipped on the protective door (1) for be equipped with mechanical lock (4) is used for
Lock the locking device (8) of another fan protective door (1);For realizing the travel switch I (7) of co- controlling electromagnetic lock (6) on-off
It connects with door open button (5), the emergency lock (3) and electromagnetic lock (6) in case of emergency opening protective door (1) is gone here and there
Connection, the travel switch II being arranged on each layer protective door (1) are connected with control circuit;The travel switch I (7) includes that setting exists
Collision block and setting on cage make cage inside bottom surface and flat layered planes leveling error be no more than positive and negative 15 lis on cage guide rail
The contact of rice, the locking device (8) are baffle, and described baffle one end is arranged on the protective door (1) equipped with mechanical lock (4),
The baffle other end extends to another fan protective door (1) institute planar, and the baffle is arranged in protective door (1) enabling side,
The cross section of the locking device (8) is L-shaped, and the locking device (8) is welded on protective door (1), the locking device (8)
It is arranged on protective door (1) by bolt.
2. a kind of door interlock according to claim 1, it is characterised in that: emergency lock (3) includes and electromagnetic lock
(6) control switch to connect and the lock core for realizing control switch movement, institute's lock core are equipped with the reset dress for resetting lock core
It sets, the control switch is equipped with the contact of acquisition action signal, and the lock core is equipped with can for deliver a signal to contact
Telescopic push rod, the push rod are equipped with the reset spring for making push rod automatically reset.
3. a kind of door interlock according to claim 1, it is characterised in that: the mechanical lock (4) is arranged in protective door
(1) closed side, the mechanical lock (4) are equipped with the locking pin for locking protective door (1), and the protective door (1) is equipped with
Location hole compatible with locking pin.
4. a kind of door interlock according to claim 1, it is characterised in that: door open button (5) setting is being protected
On the doorframe (2) of door (1), the doorframe (2) is equipped with the pit (51) for making button be hidden in doorframe (2) plane, the pit
(51) in the truncated cone-shaped convenient for operation door open button (5), the door open button (5) has set and removes a two states.
Priority Applications (1)
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CN201811425283.9A CN109230964A (en) | 2018-11-28 | 2018-11-28 | A kind of door interlock |
Applications Claiming Priority (1)
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CN201811425283.9A CN109230964A (en) | 2018-11-28 | 2018-11-28 | A kind of door interlock |
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Publication Number | Publication Date |
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CN109230964A true CN109230964A (en) | 2019-01-18 |
Family
ID=65073569
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CN201811425283.9A Pending CN109230964A (en) | 2018-11-28 | 2018-11-28 | A kind of door interlock |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109678024A (en) * | 2019-02-01 | 2019-04-26 | 刘振峰 | A kind of urgent automatic rescue device of elevator malfunction and method |
CN111498653A (en) * | 2020-06-04 | 2020-08-07 | 湖北江汉建筑工程机械有限公司 | Elevator escape door control device and method based on UPS (uninterrupted Power supply) |
CN112723118A (en) * | 2020-12-03 | 2021-04-30 | 安徽中旭机械科技有限公司 | High-safety door for construction elevator |
-
2018
- 2018-11-28 CN CN201811425283.9A patent/CN109230964A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109678024A (en) * | 2019-02-01 | 2019-04-26 | 刘振峰 | A kind of urgent automatic rescue device of elevator malfunction and method |
CN111498653A (en) * | 2020-06-04 | 2020-08-07 | 湖北江汉建筑工程机械有限公司 | Elevator escape door control device and method based on UPS (uninterrupted Power supply) |
CN112723118A (en) * | 2020-12-03 | 2021-04-30 | 安徽中旭机械科技有限公司 | High-safety door for construction elevator |
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