CN103332575A - Protective door interlocking device - Google Patents

Protective door interlocking device Download PDF

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Publication number
CN103332575A
CN103332575A CN2013102918070A CN201310291807A CN103332575A CN 103332575 A CN103332575 A CN 103332575A CN 2013102918070 A CN2013102918070 A CN 2013102918070A CN 201310291807 A CN201310291807 A CN 201310291807A CN 103332575 A CN103332575 A CN 103332575A
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CN
China
Prior art keywords
protective door
door
lock
protective
travel switch
Prior art date
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Granted
Application number
CN2013102918070A
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Chinese (zh)
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CN103332575B (en
Inventor
姚文中
唐全法
杨正明
刘源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIAXING HUADONG CONSTRUCTION MACHINERY Co Ltd
Original Assignee
JIAXING HUADONG CONSTRUCTION MACHINERY Co Ltd
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Application filed by JIAXING HUADONG CONSTRUCTION MACHINERY Co Ltd filed Critical JIAXING HUADONG CONSTRUCTION MACHINERY Co Ltd
Priority to CN201310291807.0A priority Critical patent/CN103332575B/en
Publication of CN103332575A publication Critical patent/CN103332575A/en
Application granted granted Critical
Publication of CN103332575B publication Critical patent/CN103332575B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to hoisting machinery, in particular to a protective door interlocking device. According to the protective door interlocking device, a locking device which is used for locking the other protective door is arranged on one protective door with a mechanical lock. Only after the protective door with the mechanism lock is opened, can the other protective door simply be opened. Only when the protective door without the mechanical lock is closed firstly, and then the protective door with the mechanical lock is closed, can the protective doors be guaranteed to be closed in place. Besides, the protective door with the mechanical door is provided with the locking device used for locking the other protective door, a detecting switch used for detecting whether opening or closing of the protective door is in place or not can be simply arranged on the protective door with the mechanical lock. If the protective door without the mechanical lock is not closed, operating personnel can see intuitively. Therefore, the detecting switch used for detecting whether the opening or the closing of the protective doors is in place or not can be simply arranged, so that the structures of the protective doors are simplified.

Description

The protective door interlock system
Technical field
The present invention relates to elevator machinery, relate in particular to the protective door interlock system.
Background technology
Elevator is indispensable a kind of mechanical equipment in the modern high-rise building work progress, its building materials that mainly act as ground is transported to high-rise camp site, the conveying efficiency of elevator directly influences the progress of engineering, especially the cage of elevator, main transport structure as elevator, bearing the effect of transporting material, elevator also should satisfy the requirement of construction safety in guaranteed efficiency, the protective door of elevator craning cage does not allow at will to open in the process of transporting material, and the designer has designed diversified interlock system to the protective door of elevator for this reason.
The patent No. is the disclosed a kind of electromechanical interlocking device for building hoist (material frame) safety door of CN03272446.2, the electromagnetic and mechanical lock is installed on the safety door of elevator, position probing is packaged to be located on the cage of building hoist, inductor is installed on the fixing position of floor or frame, and the detection output signal of position probing piece and inductor is connected with the control setup of electromagnetic and mechanical lock, the position probing piece detects the cage position, reach and have only the safety door of the floor that cage stops to open, the patent No. is the disclosed a kind of interlock system for protective door machinery of CN201020144920.8, comprise cage, the interlock system that arranges on protective door and the protective door, described interlock system comprises jam plate, slide bar, contiguous block, fixed block, connecting rod and door shield plate, described jam plate is provided with slide bar, corresponding jam plate with slide bar is provided with fixed block, one end of slide bar is corresponding with the path of motion of cage, the other end of slide bar is connected with contiguous block, contiguous block is located mutually with connecting rod, connecting rod is provided with the door shield plate, the corresponding distribution with protective door of door shield plate, the patent No. is the interlock system of the disclosed a kind of building hoist of CN201020691586.8 and floor protective door, comprise that correspondence is installed on the travel switch of building hoist cage side top and bottom, comprise that also correspondence is located at the baffle-type blocking apparatus of upper and lower, floor protective door side, described baffle-type blocking apparatus connects an end of backguy, the described backguy other end is fastened with floor protection every and is connected, the patent No. is the disclosed a kind of door of controlling turnover building hoist hoistway layer mouth of CN201120400256.3, comprise the car detecting device that detects the elevator car location status, comprise the automatic lock with described car detecting device interlock, position near door-hinge on door leaf is provided with the door-hinge lock, door-hinge is provided with the door-hinge fore shaft corresponding with described door-hinge lock, the active edges of door leaf is provided with the door leaf lock, also be fixed with the door leaf fore shaft corresponding with described door leaf lock, automatic lock is connected with the door leaf lock with the door-hinge lock, the patent No. is the electromechanical interlocking device of the disclosed a kind of building hoist stop door of CN201220601042.7, comprise doorframe, travel switch, rotating shaft, door leaf, door shelves coupling block assembly, baffle plate, the interlocking hook assembly, stay bearing plate and door shield, door leaf is installed on the doorframe and can horizontally rotates, door shield connecting frame assembly is by being bolted on the doorframe, the cylindrical shaft at door shield two ends is inserted in the hole of door shield coupling assembly rotatable, travel switch is by being bolted on the doorframe, rotating shaft connects with two stay bearing plates on being welded on door shield, the interlocking hook assembly connects with rotating shaft, the interlocking hook assembly can rotate around the axis, baffle plate is welded on the doorframe, the rotation of direction left of restriction interlocking hook assembly.
Interlock system in the above-mentioned patent can make the protective door of elevator craning cage at will open, as: in the elevator operational process, having only the protective door of this layer when cage is in the target location just can open simultaneously other each layer protective door all can not open, the protective door of cage any one deck in operational process all can not be opened, and protective door is when opening, cage is in off-position and can not moves, have only that cage just can move after protective door is closed, this interlock has improved the safety performance of elevator in operational process, avoided the operating personal misoperation and the protective door of non-target location opened causing potential safety hazard, but the technical scheme structure more complicated of above-mentioned patent disclosure, and the mode of opening the door of protective door is more single, can't satisfy the dual-purpose demand of goods of to ask for help among the GB26557-2011 " cage has the dual-purpose building hoist of people's goods of vertically-guided ", and the protective door locking effect is poor, opened by external force, have potential safety hazard.
The locking mode of protective door adopts and at two protective doors independently mechanical lock is set in the prior art, last mechanical lock by every fan protective door after the protective door closure is locked protective door, this structure makes the complex structure of protective door, open or close the detector switch that whether puts in place such as need on every fan protective door, all being provided for detecting protective door, will inevitably cause the protective door structure complexity like this, the manufacturing cost of protective door is improved.
Summary of the invention
Protective door interlock system provided by the invention is intended to overcome protective door structure complexity in the prior art, the deficiency of protective door locking effect difference.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: the protective door interlock system, comprise travel switch, electromagnetic lock, mechanical lock, urgent lock, door open button and control circuit, described travel switch comprises and opens or closes the travel switch II that whether puts in place be used to the travel switch I that obtains cage flat bed signal with for detection of protective door, described travel switch I, travel switch II, urgent lock, electromagnetic lock, door open button are electrically connected, and describedly are provided with latching device for another fan protective door of locking at the protective door that mechanical lock is installed;
Be used for to realize travel switch I and the door open button series connection of common control electromagnetic lock break-make, describedly connect with electromagnetic lock for the urgent lock of in case of emergency opening protective door that the travel switch II that is arranged on each layer protective door is connected with control circuit;
Described travel switch I comprises the collision block that is arranged on the cage and is arranged on makes cage inside bottom surface and flat bed plane leveling error be no more than positive and negative 15 centimetres contact on the cage guide rail.
As preferably, described latching device is catch, described catch one end is arranged on the protective door that mechanical lock is housed, the described catch other end extends in another fan plane, protective door place, described catch is arranged on the protective door side of opening the door, by at the protective door that is provided with mechanical lock catch being set, have only after the protective door that is provided with mechanical lock is opened another fan protective door just can open, when closing protective door, have only and shut the protective door of not establishing mechanical lock earlier and then close the protective door that is provided with mechanical lock, could guarantee that protective door is closed puts in place, and this structure can't be opened protective door protective door when machinery is not opened, and has improved the safety performance of elevator.
As preferably, the cross-sectional plane of described latching device is L-shaped, the L-shaped latching device of cross-sectional plane have more as anti-bending strength, improve the locking effect of protective door.
As preferably, described latching device is welded on the protective door, and latching device is arranged on the Joint strenght that has improved latching device and protective door on the protective door by the mode of welding, has further improved the locking effect of protective door.
As preferably, described latching device is arranged on the protective door by bolt, and latching device is arranged on the protective door by bolt, and latching device can be changed, and is easy to use.
As preferably, described urgent lock comprises the master cock of joining with electromagnetic lock and the lock core that is used for realizing the master cock action, described master cock obtains actuating signal by the mode of touching, institute's lock core is provided with the reset attachment that lock core is resetted, urgent lock joins with electromagnetic lock, the urgent lock of operation can drive the electromagnetic lock action when moving, electromagnetic lock is the major part of control protective door action, the urgent lock of this connection mode joins with electromagnetic lock, improved the safety performance of elevator, and promptly the master cock of lock obtains actuating signal by the mode of touching, and has simplified the structure of urgent lock, has reduced the manufacturing cost of urgent lock.
As preferably, described master cock is provided with the contact of gathering actuating signal, described lock core is provided with for transmitting signal and gives the telescoping push rod of contact, described push rod is provided with and makes the automatically reset retracing spring of push rod, and the telescoping push rod is in course of action, and the application force that the urgent lock of operation makes push rod overcome retracing spring stretches out forward, touch the contact of master cock, the master cock action can utilize retracing spring to automatically reset after action is finished, and is simple in structure, easy to use.
As preferably, described mechanical lock is arranged on the closed side of protective door, and described mechanical lock is provided with the locking pin for the locking protective door, and described protective door is provided with the knock hole suitable with locking pin, mechanical lock is arranged on the closed side of protective door, be conducive to mechanical lock locking protective door, improved the location intensity of protective door, protective door is not easy to be opened by external force, improved the safety performance of elevator, mechanical lock is by locking pin and knock hole locking protective door, and is simple in structure, low cost of manufacture.
As preferably, described door open button is arranged on the doorframe of protective door, described doorframe is provided with and makes button be hidden in the pit on doorframe plane, described pit is the truncated cone-shaped of being convenient to operate door open button, because elevator is as constructional engineering machinery, it is comparatively abominable that the worker crosses environment, inevitably can be collided in the concrete operational process, door open button protrudes to arrange and is easy to occur maloperation, may be because operating personal accident collision makes door open button set, this structure is hidden in the doorframe plane door open button, has avoided accident collision to make door open button set, and is easy to use.
As preferably, described door open button has set and removes a two states, described door open button has two states, a state makes door open button set, another state makes door open button go to the position namely to reset, can also door open button be resetted by another state of door open button after the maloperation of operating personal clamshell doors button in the use, improve the work efficiency of elevator.
Protective door interlock system provided by the invention, have following advantage: the protective door that mechanical lock is installed is provided with for the latching device of locking another fan protective door, by at the protective door that is provided with mechanical lock latching device being set, have only after the protective door that is provided with mechanical lock is opened another fan protective door just can open, when closing protective door, have only and shut the protective door of not establishing mechanical lock earlier and then close the protective door that is provided with mechanical lock, could guarantee that protective door is closed puts in place, this structure can't be opened protective door protective door when machinery is not opened, improved the safety performance of elevator, and by be provided with the latching device for another fan protective door of locking at the protective door that mechanical lock is installed, can be only be provided for detecting protective door at the protective door of installation mechanical lock and open or close the detector switch that whether puts in place, because must close that fan protective door that mechanical lock is not set when closing protective door earlier, if that fan protective door of mechanical lock is not set does not close, the operating personnel can see very intuitively, to open or close for detection of protective door be detector switch not in place so can only arrange one, simplified the structure of protective door.
When cage moves in the leveling error of setting, collision block triggers the contact that is arranged on the travel switch I on the guide rail on the cage, make its conducting and operating personal touch door open button and make its set, just can make electromagnetic lock get electric opening, protective door is able to switch, electromagnetic lock is automatically locked, and protective door is locked closes.
When being in an emergency, electromagnetic lock is opened after opening urgent lock and making circuit turn-on, just can open protective door, and when protective door was opened, the travel switch II made the cage outage, and cage can not move, and only at each protective door Close All state, cage could move up and down.
Cage is outage when stopping layer, can utilize mechanical lock that protective door is opened.
Protective door interlock system provided by the invention meets the requirement in GB26557-2011 " cage has the dual-purpose building hoist of people's goods of the vertically-guided " standard, cage langding accuracy height, the protective door mode of opening the door is flexible, and simple in structure, low cost of manufacture, has improved the safety performance of elevator.
Description of drawings
Accompanying drawing 1 is the scheme drawing of protective door interlock system of the present invention,
Accompanying drawing 2 is protective door interlock system A of the present invention place enlarged drawings,
Accompanying drawing 3 is protective door interlock system B of the present invention place enlarged drawings,
Accompanying drawing 4 is protective door interlock system C of the present invention place enlarged drawings,
Accompanying drawing 5 is protective door interlock system electrical schematic diagrams of the present invention,
Accompanying drawing 6 is latching device scheme drawings among the present invention.
Shown in the figure 1, protective door, 2, doorframe, 3, urgent lock, 4, mechanical lock, 5, door open button, 51, pit, 6, electromagnetic lock, 7, the travel switch I, 8, latching device.
The specific embodiment
Below in conjunction with accompanying drawing, protective door interlock system of the present invention is described further.
As Fig. 1, shown in Figure 5, protective door interlock system principle of work provided by the invention is: when cage moves in the leveling error of setting, the collision block that is arranged on the cage bottom triggers the contact that is arranged on the travel switch I 7 on the guide rail, contact set conducting and operating personal touch door open button 5 and make its set, contact, door open button 5, the connection mode of electromagnetic lock 6 is series connection, so have only contact and door open button 5 all just can make during set electromagnetic lock 6 electric opening, electromagnetic lock 6 must be opened the back and discharge protective door 1, protective door 1 just is able to switch, and when protective door 1 was opened, the action of travel switch II made the cage outage, off-position guarantees that cage can not move, only at all protective door 1 Close All states, cage just can power on, and then cage is just moved, electromagnetic lock 6 automatically locks during the elevator outage, and protective door 1 is locked closes; When being in an emergency, electromagnetic lock 6 is opened after opening urgent lock 3 and making circuit turn-on, just can open protective door 1 after electromagnetic lock 6 is opened; Cage is outage when stopping layer, can utilize mechanical lock 4 that protective door 1 is opened.
As shown in Figure 1, the physical construction of protective door interlock system provided by the invention is: the protective door interlock system, described protective door interlock system comprises travel switch, electromagnetic lock 6, mechanical lock 4, urgent lock 3, door open button 5 and control circuit, described travel switch comprises and opens or closes the travel switch II that whether puts in place be used to the travel switch I 7 that obtains cage flat bed signal with for detection of protective door 1, when described flat bed namely refers to cage near bus stop, desire to make cage inner bottom surface and bus stop ground to reach conplane action, described travel switch I 7, the travel switch II, urgent lock 3, electromagnetic lock 6, door open button 5 is electrically connected; Be used for to realize travel switch I 7 and door open button 5 series connection of common control electromagnetic lock 6 break-makes, describedly connect with electromagnetic lock 6 for the urgent lock 3 of in case of emergency opening protective door 1 that the travel switch II that is arranged on each layer protective door 1 is connected with control circuit; Described travel switch I 7 comprises the collision block that is arranged on the cage and is arranged on makes cage inside bottom surface and flat bed plane leveling error just be no more than on the cage guide rail, negative 15 centimetres contact, in conjunction with concrete structure, described travel switch I 7 comprises the collision block that is arranged on the cage top and the contact that is arranged on the guide rail, described every layer contact is separately positioned on the distance that makes cage inside bottom surface and flat bed plane and is not higher than 15 centimeters and makes the distance on cage inside bottom surface and flat bed plane be not less than 15 centimeters, when cage moves in the leveling error of setting, namely apart from the flat bed plane just, in the time of in negative 15 centimetres, on triggering, the collision block of cage upper stroke switch I 7 is arranged on the contact on the guide rail, make its conducting and operating personal touch door open button 5 and make its set, just can make electromagnetic lock 6 get electric opening, protective door 1 is able to switch, outage can make electromagnetic lock 6 automatically lock, protective door 1 is locked closes, when being in an emergency, electromagnetic lock 6 is opened after opening urgent lock 3 and making circuit turn-on, just can open protective door 1, when protective door 1 is opened, the travel switch II makes the cage outage, cage can not move, only at each protective door 1 Close All state, cage could move up and down, and cage is outage when stopping layer; Can utilize mechanical lock 4 that protective door 1 is opened; Protective door interlock system provided by the invention meets the requirement in GB26557-2011 " cage has the dual-purpose building hoist of people's goods of the vertically-guided " standard, cage langding accuracy height, protective door 1 mode of opening the door is flexible, and simple in structure, low cost of manufacture, has improved the safety performance of elevator.
As shown in Figure 6, described the protective door 1 that mechanical lock 4 is installed be provided with for locking another the fan protective door 1 latching device 8, described latching device 8 is catch, described catch one end is arranged on the protective door that mechanical lock 4 is housed, the described catch other end extends in another fan plane, protective door 1 place, described catch is arranged on protective door 1 side of opening the door, by at the protective door that is provided with mechanical lock 4 catch being set, have only after the protective door 1 that is provided with mechanical lock 4 is opened another fan protective door 1 just can open, when closing protective door 1, have only and shut the protective door 1 of not establishing mechanical lock 4 earlier and then close the protective door 1 that is provided with mechanical lock 4, could guarantee that protective door 1 is closed puts in place, this structure can't be opened protective door 1 protective door 1 when mechanical lock 4 is not opened, improved the safety performance of elevator, the cross-sectional plane of described latching device 8 is L-shaped, the L-shaped latching device 8 of cross-sectional plane have more as anti-bending strength, improve the locking effect of protective door 1, described latching device 8 is welded on the protective door, latching device 8 is arranged on the Joint strenght that has improved latching device 8 and protective door 4 on the protective door 4 by the mode of welding, further improved the locking effect of protective door 4, described latching device 8 also can be arranged on the protective door 4 by bolt, latching device 8 is arranged on the protective door 4 by bolt, latching device 8 can be changed, easy to use, can as required catch be arranged on the protective door 1 by separable joint or non-disconnectable ways of connecting in the concrete use, the described catch other end extends in another fan plane, protective door 1 place, described catch is arranged on protective door 1 side of opening the door, by at the protective door 1 that is provided with mechanical lock 4 catch being set, have only after the protective door 1 that is provided with mechanical lock 4 is opened another fan protective door 1 just can open, when closing protective door 1, have only and shut the protective door 1 of not establishing mechanical lock 4 earlier and then close the protective door 1 that is provided with mechanical lock 4, could guarantee that protective door 1 is closed puts in place, this structure can't be opened protective door 1 protective door 1 when machinery is not opened, and has improved the safety performance of elevator.
Safety performance when using in order further to improve elevator, the sustained height of described travel switch I 7 at the cage top arranges two collision blocks, described guide rail is provided with two pairs of contacts, still can guarantee the elevator normal operation under the situation of an inefficacy therein, improve the stability of elevator, prolonged the service life of elevator.
Further, as shown in Figure 2, described urgent lock 3 comprises the master cock of joining with electromagnetic lock 6 and the lock core that is used for realizing the master cock action, described master cock obtains actuating signal by the mode of touching, institute's lock core is provided with the retracing spring that lock core is resetted, described master cock is provided with the contact of gathering actuating signal, described lock core is provided with for transmitting signal and gives the telescoping push rod of contact, described push rod automatically resets under the effect of retracing spring, the telescoping push rod is in course of action, the urgent lock of operation 3 application forces that make push rod overcome retracing spring stretch out forward, touch the contact of master cock, the master cock action can utilize retracing spring to automatically reset after action is finished, and is simple in structure, easy to use.
Further, as shown in Figure 3, described mechanical lock 4 is arranged on the closed side of protective door 1, described mechanical lock 4 is provided with the locking pin for locking protective door 1, described protective door 1 is provided with the knock hole suitable with locking pin, mechanical lock 4 is arranged on the closed side of protective door 1, be conducive to mechanical lock 4 locking protective doors 1, improved the location intensity of protective door 1, protective door 1 is not easy to be opened by external force, has improved the safety performance of elevator, and mechanical lock 4 is by locking pin and knock hole locking protective door 1, simple in structure, low cost of manufacture.
Further, as shown in Figure 4, described door open button 5 is arranged on the doorframe 2 of protective door 1, described doorframe 2 is provided with and makes button be hidden in the pit 51 on doorframe 2 planes, described pit 51 is the truncated cone-shaped of being convenient to operate door open button 5, because elevator is as constructional engineering machinery, it is comparatively abominable that the worker crosses environment, inevitably can be collided in the concrete operational process, door open button 5 protrudes to arrange and is easy to occur maloperation, may be because operating personal accident collision make door open button 5 set, and this structure is hidden in doorframe 2 planes door open button 5, avoided accident collision to make door open button 5 set, easy to use.
In order to make more convenient operation, described door open button 5 has set and removes a two states, described door open button 5 has two states, a state makes door open button 5 set, another state resets door open button 5, can also door open button 5 be resetted after 5 maloperations of operating personal clamshell doors button in the use, improve the work efficiency of elevator.
Technique scheme in use, the mode of opening the door of protective door 1 is during the cage normal operation: when cage moves in the leveling error of setting, the collision block that is arranged on the cage bottom triggers the contact that is arranged on the travel switch I 7 on the guide rail, contact set conducting and operating personal touch door open button 5 and make its set, contact, door open button 5, the connection mode of electromagnetic lock 6 is series connection, so have only contact and door open button 5 all just can make during set electromagnetic lock 6 electric opening, electromagnetic lock 6 must be opened the back and discharge protective door 1, protective door 1 just is able to switch, when protective door 1 is opened, the action of travel switch II makes the cage outage, off-position guarantees that cage can not move, only at all protective door 1 Close All states, cage just can power on, and then cage just moved, and electromagnetic lock 6 automatically locks during the elevator outage, and protective door 1 is locked closes.
The mode of opening the door of protective door 1 is when being in an emergency: electromagnetic lock 6 is opened after opening urgent lock 3 and making circuit turn-on, after opening, electromagnetic lock 6 just can open protective door 1, urgent lock 3 comprises the master cock of joining with electromagnetic lock 6 and the lock core that is used for realizing the master cock action, described master cock obtains actuating signal by the mode of touching, institute's lock core is provided with the retracing spring that lock core is resetted, described master cock is provided with the contact of gathering actuating signal, described lock core is provided with for transmitting signal and gives the telescoping push rod of contact, described push rod automatically resets under the effect of retracing spring, the telescoping push rod is in course of action, the urgent lock of operation 3 application forces that make push rod overcome retracing spring stretch out forward, touch the contact of master cock, the master cock action can utilize retracing spring to automatically reset after action is finished.
The mode of opening the door of cage outage protective door 1 when stopping layer is: utilize mechanical lock 4 that protective door 1 is opened, can directly open protective door 1 under the situation of cutting off the power supply by the key that cooperates with mechanical lock 4.
Protective door interlock system provided by the invention meets the requirement in GB26557-2011 " cage has the dual-purpose building hoist of people's goods of the vertically-guided " standard, cage langding accuracy height, protective door 1 mode of opening the door is flexible, and simple in structure, low cost of manufacture, has improved the safety performance of elevator.
Be provided with for the latching device of locking another fan protective door at the protective door that mechanical lock is installed, by at the protective door that is provided with mechanical lock latching device being set, have only after the protective door that is provided with mechanical lock is opened another fan protective door just can open, when closing protective door, have only and shut the protective door of not establishing mechanical lock earlier and then close the protective door that is provided with mechanical lock, could guarantee that protective door is closed puts in place, this structure can't be opened protective door protective door when machinery is not opened, and has improved the safety performance of elevator.
Being preferred implementation of the present invention only below, being intended to embody outstanding technique effect of the present invention and advantage, is not to be restriction to technical scheme of the present invention.This area the skill personnel it should be understood that, all modifications of making based on the technology of the present invention content, variation or substitute technology feature all should be covered by in the technology category of claims opinion of the present invention.

Claims (10)

1. protective door interlock system, it is characterized in that: comprise travel switch, electromagnetic lock (6), mechanical lock (4), urgent lock (3), door open button (5) and control circuit, described travel switch comprises and opens or closes the travel switch II that whether puts in place be used to the travel switch I (7) that obtains cage flat bed signal with for detection of protective door (1), described travel switch I (7), the travel switch II, urgent lock (3), electromagnetic lock (6), door open button (5) is electrically connected, and describedly is provided with latching device (8) for another fan protective door (1) of locking at the protective door that mechanical lock (4) are installed (1);
Be used for realizing travel switch I (7) and door open button (5) series connection of common control electromagnetic lock (6) break-make, describedly connect with electromagnetic lock (6) for the urgent lock (3) of in case of emergency opening protective door (1), the travel switch II that is arranged on each layer protective door (1) is connected with control circuit;
Described travel switch I (7) comprises the collision block that is arranged on the cage and is arranged on makes cage inside bottom surface and flat bed plane leveling error be no more than positive and negative 15 centimetres contact on the cage guide rail.
2. protective door interlock system according to claim 1, it is characterized in that: described latching device (8) is catch, described catch one end is arranged on the protective door (1) that mechanical lock (4) are housed, the described catch other end extends in another fan protective door (1) plane, place, and described catch is arranged on protective door (1) side of opening the door.
3. protective door interlock system according to claim 2, it is characterized in that: the cross-sectional plane of described latching device (8) is L-shaped.
4. protective door interlock system according to claim 2, it is characterized in that: described latching device (8) is welded on the protective door (1).
5. protective door interlock system according to claim 2, it is characterized in that: described latching device (8) is arranged on the protective door (1) by bolt.
6. protective door interlock system according to claim 1 is characterized in that: described urgent lock (3) comprises the master cock of joining with electromagnetic lock (6) and the lock core that is used for realizing the master cock action, and institute's lock core is provided with the reset attachment that lock core is resetted.
7. protective door interlock system according to claim 6, it is characterized in that: described master cock is provided with the contact of gathering actuating signal, described lock core is provided with for transmitting signal and gives the telescoping push rod of contact, and described push rod is provided with and makes the automatically reset retracing spring of push rod.
8. protective door interlock system according to claim 1, it is characterized in that: described mechanical lock (4) is arranged on the closed side of protective door (1), described mechanical lock (4) is provided with the locking pin for locking protective door (1), and described protective door (1) is provided with the knock hole suitable with locking pin.
9. protective door interlock system according to claim 1, it is characterized in that: described door open button (5) is arranged on the doorframe (2) of protective door (1), described doorframe (2) is provided with and makes button be hidden in the pit (51) on doorframe (2) plane, and described pit (51) is the truncated cone-shaped of being convenient to operate door open button (5).
10. protective door interlock system according to claim 9, it is characterized in that: described door open button (5) has set and removes a two states.
CN201310291807.0A 2013-07-10 2013-07-10 Protective door interlocking device Expired - Fee Related CN103332575B (en)

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CN103332575B CN103332575B (en) 2015-07-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110803604A (en) * 2019-10-24 2020-02-18 广州市第三建筑工程有限公司 Mechanical locking mechanism and electromechanical interlocking cage
CN112343438A (en) * 2019-08-08 2021-02-09 许继电气股份有限公司 Regulator cubicle and cabinet door intelligence lock thereof and control circuit of protection door intelligence lock

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