CN203382348U - Interlocking device for protection doors - Google Patents
Interlocking device for protection doors Download PDFInfo
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- CN203382348U CN203382348U CN201320411656.3U CN201320411656U CN203382348U CN 203382348 U CN203382348 U CN 203382348U CN 201320411656 U CN201320411656 U CN 201320411656U CN 203382348 U CN203382348 U CN 203382348U
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- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 213
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to hoisting machinery, in particular to an interlocking device for protection doors. According to the interlocking device for the protection doors, a locking device used for locking the other protection door is arranged on a protection door provided with a mechanical lock, the other protection door can be opened only when the protection door provided with the mechanical lock is opened, and the protection doors can be guaranteed to be closed in place only when the protection door with no mechanical lock is closed and then the protection door provided with the mechanical lock is locked; the locking device used for locking the other protection door is arranged on the protection door provided with the mechanical lock, so that a detection switch used for detecting whether the protection doors are opened or closed in place is arranged on the protection door provided with the mechanical lock; and when the protection door with no mechanical lock is not closed, an operator can see the protection door directly, and the detection switch used for detecting whether the protection doors are opened or closed in place is arranged, so that the structure of the protection doors is simplified.
Description
Technical field
The utility model relates to elevator machinery, relates 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 Main Function is for to be transported to the Construction of High-rise scene by the building materials on ground, the conveying efficiency of elevator directly affects the progress of engineering, especially the cage of elevator, main transport structure as elevator, bearing the effect of transporting material, elevator also should meet 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, 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, electro-magnetic 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 floor or the fixing position of frame, and the detection output signal of position probing piece and inductor is connected with the control setup of electro-magnetic mechanical lock, the position probing piece detects the cage position, reach and only have 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 arranged on protective door and protective door, described interlock system comprises jam plate, slide bar, contiguous block, fixed block, connecting rod and door guard plate, described jam plate is provided with slide bar, jam plate corresponding 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 door guard plate, door guard plate distribution corresponding with protective door, the interlock system that the patent No. is the disclosed a kind of building hoist of CN201020691586.8 and floor protection door, comprise that correspondence is installed on the travel switch of construction elevator cage side top and bottom, also comprise that correspondence is located at the baffle-type blocking apparatus of upper and lower, floor protection door side, one end of described baffle-type blocking apparatus connecting stay wire, the described bracing wire other end is connected with the floor protection door door Hinge, 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 described door-hinge locks corresponding door-hinge fore shaft, the active edges of door leaf is provided with leaf lock, also be fixed with the door leaf fore shaft corresponding with described leaf lock, automatic lock is connected with leaf lock with the door-hinge lock, the electromechanical interlocking device that the patent No. is 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 arranged on doorframe and can horizontally rotates, door shield connecting frame assembly is bolted on doorframe, the cylindrical shaft at door shield two ends is inserted in the hole of door shield coupling assembly rotatable, travel switch is bolted on 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 doorframe, the rotation of direction left of restriction interlocking hook assembly.
Interlock system in above-mentioned patent can make the protective door of elevator craning cage at will open, as: in the elevator operational process, only have when cage during in target location the protective door of this layer just can open other each layer of protective door simultaneously and 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 can not move in off-position, only have cage after protective door is closed just can move, 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 disclosed technical scheme complicated structure of above-mentioned patent, and the door-opening mode of protective door is more single, can't meet in GB26557-2011 " cage has the dual-purpose building hoist of people's goods of vertically-guided " the dual-purpose demand of goods of will asking for help, and the protective door locking effect is poor, opened by external force, there is potential safety hazard.
In prior art, the locking mode of protective door adopts, on two protective doors, independently mechanical lock is set, upper 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 such as need to all being provided for detecting protective door on every fan protective door the detector switch whether put in place, will inevitably cause the protective door structure complexity like this, the manufacturing cost of protective door is improved.
Summary of the invention
The protective door interlock system that the utility model provides, be intended to overcome protective door structure complexity in prior art, the deficiency that the protective door locking effect is poor.
In order to solve the problems of the technologies described above, the utility model 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 the travel switch I for obtaining cage flat bed signal and opens or closes the travel switch II whether put in place for detection of protective door, described travel switch I, travel switch II, urgent lock, electromagnetic lock, door open button are electrically connected to, and are provided with for locking the latching device of another fan protective door being equipped with on the protective door of mechanical lock;
For travel switch I and the door open button series connection that realizes co-controlling electromagnetic lock break-make, for the urgent lock of in case of emergency opening protective door, with electromagnetic lock, to connect, the travel switch II be arranged on each layer of protective door is connected with control circuit;
Described travel switch I comprises the collision block be arranged on cage and is arranged on the cage guide rail makes cage inside bottom surface and flat bed plane error be no more than the contact of positive and negative 15 centimetres.
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 to another fan protective door institute planar, described catch is arranged on the protective door side of opening the door, by catch being set being provided with on the protective door of mechanical lock, only have another fan protective door after the protective door that is provided with mechanical lock is opened just can open, when closing protective door, only have and first shut the protective door of not establishing mechanical lock and then close the protective door that is provided with mechanical lock, the guarantee protective door is closed and is put in place, this structure can't be opened protective door protective door when machinery is not opened, 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 protective door, and latching device is arranged on protective door by the mode of welding the Joint strenght that has improved latching device and protective door, has further improved the locking effect of protective door.
As preferably, described latching device is arranged on protective door by bolt, and latching device is arranged on protective door by bolt, and latching device can be changed, easy to use.
As preferably, described urgent lock comprises master cock and the lock core for realizing that master cock is moved joined with electromagnetic lock, described master cock obtains actuating signal by the mode of touching, described lock core is provided with the reset attachment that lock core is resetted, urgent lock joins with electromagnetic lock, can drive the electromagnetic lock action during the urgent lock action of operation, electromagnetic lock is for controlling the major part of protective door action, the urgent lock of this connection mode joins with electromagnetic lock, improved the safety performance of elevator, and the master cock of urgent lock obtains actuating signal by the mode of touching, simplified the structure of urgent lock, reduced the manufacturing cost of urgent lock.
As preferably, described master cock is provided with the contact that gathers actuating signal, described lock core is provided with the telescoping push rod to contact for transmission of signal, 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 having moved, 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 for locking the locking pin of 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 positioning 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, 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 the pit that makes button be hidden in the doorframe plane, described pit is the truncated cone-shaped of convenient operation door open button, due to elevator as constructional engineering machinery, it is comparatively severe that work is crossed environment, in concrete operational process, inevitably can be collided, 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, avoided accident collision to make door open button set, 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 position to reset, in use procedure, after operating personal clamshell doors button misoperation, can also door open button be resetted by another state of door open button, improve the work efficiency of elevator.
The protective door interlock system that the utility model provides, have following advantage: the protective door that mechanical lock is installed is provided with for locking the latching device of another fan protective door, by latching device being set being provided with on the protective door of mechanical lock, only have another fan protective door after the protective door that is provided with mechanical lock is opened just can open, when closing protective door, only have and first shut the protective door of not establishing mechanical lock and then close the protective door that is provided with mechanical lock, the guarantee protective door is closed and is put 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 equipped with on the protective door of mechanical lock be provided with for lock another the fan protective door latching device, can only on the protective door of installation mechanical lock, be provided for detecting protective door and open or close the detector switch whether put in place, because must first close that fan protective door that mechanical lock is not set when closing protective door, if that fan protective door of mechanical lock is not set does not close, the operating personnel can see very intuitively, so can only arranging one, to open or close for detection of protective door be detector switch not in place, simplified the structure of protective door.
When cage moves in the leveling error of setting, on cage, collision block triggers on the travel switch I and is arranged on the contact on guide rail, make its conducting and operating personal touch door open button and make its set, just can make electromagnetic lock obtain electric opening, protective door is able to switch, during outage, can make electromagnetic lock automatically lock, protective door is locked closes.
While being in an emergency, after opening urgent lock and making circuit turn-on, electromagnetic lock is opened, and just can open protective door, and when protective door is opened, the travel switch II makes 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.
The protective door interlock system that the utility model provides meets the requirement in GB26557-2011 " cage has the dual-purpose building hoist of people's goods of vertically-guided " standard, the cage langding accuracy is high, the protective door door-opening mode is flexible, and simple in structure, low cost of manufacture, improved the safety performance of elevator.
The accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of the utility model protective door interlock system,
Accompanying drawing 2 is the utility model protective door interlock system A place enlarged drawings,
Accompanying drawing 3 is the utility model protective door interlock system B place enlarged drawings,
Accompanying drawing 4 is the utility model protective door interlock system C place enlarged drawings,
Accompanying drawing 5 is the utility model protective door interlock system electrical schematic diagrams,
Accompanying drawing 6 is latching device schematic diagrams in the utility model.
Shown in 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 utility model is described further.
As Fig. 1, shown in Fig. 5, the protective door interlock system principle of work that the utility model provides is: when cage moves in the leveling error of setting, the collision block that is arranged on the cage bottom triggers on travel switch I 7 and is arranged on the contact on 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 only have contact and door open button 5 all just can make during set electromagnetic lock 6 electric opening, electromagnetic lock 6 must be opened rear release 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 is just moved, during the elevator outage, electromagnetic lock 6 automatically locks, protective door 1 is locked closes, while being in an emergency, after opening urgent lock 3 and making circuit turn-on, electromagnetic lock 6 is opened, and electromagnetic lock 6 just can be opened protective door 1 after opening, 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 the protective door interlock system that the utility model provides 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 the travel switch I 7 for obtaining cage flat bed signal and opens or closes the travel switch II whether put in place for detection of protective door 1, when described flat bed refers to that cage approaches bus stop, want 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 to, for travel switch I 7 and door open button 5 series connection that realize co-controlling electromagnetic lock 6 break-makes, for the urgent lock 3 of in case of emergency opening protective door 1, with electromagnetic lock 6, to connect, the travel switch II be arranged on each layer of protective door 1 is connected with control circuit, described travel switch I 7 comprises the collision block be arranged on cage and is arranged on the cage guide rail just is no more than cage inside bottom surface and flat bed plane error, the contact of negative 15 centimetres, in conjunction with concrete structure, described travel switch I 7 comprises the collision block that is arranged on the cage top and is arranged on the contact on guide rail, the contact of described every layer is separately positioned on the distance that makes cage inside bottom surface and flat bed plane and higher than 15 centimeters and the distance that makes cage inside bottom surface and flat bed plane, is not less than 15 centimeters, when cage moves in the leveling error of setting, apart from the flat bed plane just, in the time of in negative 15 centimetres, the collision block of cage upper stroke switch I 7 is arranged on the contact on guide rail on triggering, make its conducting and operating personal touch door open button 5 and make its set, just can make electromagnetic lock 6 obtain electric opening, protective door 1 is able to switch, outage can make electromagnetic lock 6 automatically lock, protective door 1 is locked closes, while being in an emergency, after opening urgent lock 3 and making circuit turn-on, electromagnetic lock 6 is opened, 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, cage is outage when stopping layer, can utilize mechanical lock 4 that protective door 1 is opened, the protective door interlock system that the utility model provides meets the requirement in GB26557-2011 " cage has the dual-purpose building hoist of people's goods of vertically-guided " standard, the cage langding accuracy is high, protective door 1 door-opening mode is flexible, and simple in structure, low cost of manufacture, improved the safety performance of elevator.
As shown in Figure 6, on the protective door 1 that mechanical lock 4 is installed, be provided with for locking the latching device 8 of another fan protective door 1, 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 to another 1 of protective door of fan planar, described catch is arranged on protective door 1 side of opening the door, by on the protective door being provided with mechanical lock 4, catch being set, only have another fan protective door 1 after the protective door 1 that is provided with mechanical lock 4 is opened just can open, when closing protective door 1, only have and first shut the protective door 1 of not establishing mechanical lock 4 and then close the protective door 1 that is provided with mechanical lock 4, guarantee protective door 1 is closed and is put 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 protective door, latching device 8 is arranged on protective door 4 by the mode of welding the Joint strenght that has improved latching device 8 and protective door 4, further improved the locking effect of protective door 4, described latching device 8 also can be arranged on protective door 4 by bolt, latching device 8 is arranged on protective door 4 by bolt, latching device 8 can be changed, easy to use, can by catch, the mode by separable joint or non-disconnectable connection be arranged on protective door 1 as required in concrete use procedure, the described catch other end extends to another 1 of protective door of fan planar, described catch is arranged on protective door 1 side of opening the door, by on the protective door 1 being provided with mechanical lock 4, catch being set, only have another fan protective door 1 after the protective door 1 that is provided with mechanical lock 4 is opened just can open, when closing protective door 1, only have and first shut the protective door 1 of not establishing mechanical lock 4 and then close the protective door 1 that is provided with mechanical lock 4, guarantee protective door 1 is closed and is put in place, this structure can't be opened protective door 1 protective door 1 when machinery is not opened, improved the safety performance of elevator.
Safety performance while using in order further to improve elevator, described travel switch I 7 arranges two collision blocks on the sustained height at cage top, described guide rail is provided with two pairs of contacts, still can guarantee therein the elevator normal operation in the situation of an inefficacy, improve the stability of elevator, extended the service life of elevator.
Further, as shown in Figure 2, described urgent lock 3 comprises master cock and the lock core for realizing that master cock is moved joined with electromagnetic lock 6, described master cock obtains actuating signal by the mode of touching, described lock core is provided with the retracing spring that lock core is resetted, described master cock is provided with the contact that gathers actuating signal, described lock core is provided with the telescoping push rod to contact for transmission of signal, 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, after having moved, can utilize retracing spring to automatically reset, 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 for locking the locking pin of 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 positioning 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 the pit 51 that makes button be hidden in doorframe 2 planes, described pit 51 is the truncated cone-shaped of convenient operation door open button 5, due to elevator as constructional engineering machinery, it is comparatively severe that work is crossed environment, in concrete operational process, inevitably can be collided, door open button 5 protrudes to arrange and is easy to occur maloperation, may be because operating personal accident collision makes door open button 5 set, 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, in use procedure, after 5 maloperations of operating personal clamshell doors button, can also by another state of door open button 5, make door open button 5 reset, improve the work efficiency of elevator.
Technique scheme in use, the door-opening mode of cage when normal operation protective door 1 is: when cage moves in the leveling error of setting, the collision block that is arranged on the cage bottom triggers on travel switch I 7 and is arranged on the contact on 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 only have contact and door open button 5 all just can make during set electromagnetic lock 6 electric opening, electromagnetic lock 6 must be opened rear release 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 is just moved, during the elevator outage, electromagnetic lock 6 automatically locks, protective door 1 is locked closes.
While being in an emergency, the door-opening mode of protective door 1 is: after opening urgent lock 3 and making circuit turn-on, electromagnetic lock 6 is opened, electromagnetic lock 6 just can be opened protective door 1 after opening, urgent lock 3 comprises master cock and the lock core for realizing that master cock is moved joined with electromagnetic lock 6, described master cock obtains actuating signal by the mode of touching, described lock core is provided with the retracing spring that lock core is resetted, described master cock is provided with the contact that gathers actuating signal, described lock core is provided with the telescoping push rod to contact for transmission of signal, 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, after having moved, can utilize retracing spring to automatically reset.
The door-opening mode of cage outage protective door 1 when stopping layer is: utilize mechanical lock 4 that protective door 1 is opened, by the key coordinated with mechanical lock 4, can directly open protective door 1 in the situation that cut off the power supply.
The protective door interlock system that the utility model provides meets the requirement in GB26557-2011 " cage has the dual-purpose building hoist of people's goods of vertically-guided " standard, the cage langding accuracy is high, protective door 1 door-opening mode is flexible, and simple in structure, low cost of manufacture, improved the safety performance of elevator.
Be equipped with on the protective door of mechanical lock be provided with for lock another the fan protective door latching device, by latching device being set being provided with on the protective door of mechanical lock, only have another fan protective door after the protective door that is provided with mechanical lock is opened just can open, when closing protective door, only have and first shut the protective door of not establishing mechanical lock and then close the protective door that is provided with mechanical lock, the guarantee protective door is closed and is put 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.
These are only the preferred embodiment of the present invention, be intended to embody outstanding technique effect of the present invention and advantage, is not the 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 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 the travel switch I (7) for obtaining cage flat bed signal and opens or closes the travel switch II whether put in place 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 to, on the protective door that mechanical lock (4) are installed (1), be provided with for locking the latching device (8) of another fan protective door (1),
For travel switch I (7) and door open button (5) series connection that realizes co-controlling electromagnetic lock (6) break-make, for the urgent lock (3) of in case of emergency opening protective door (1), with electromagnetic lock (6), connect, the travel switch II be arranged on each layer of protective door (1) is connected with control circuit;
Described travel switch I (7) comprises the collision block be arranged on cage and is arranged on the cage guide rail makes cage inside bottom surface and flat bed plane error be no more than the contact of positive and negative 15 centimetres.
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 to another fan protective door (1) institute planar, 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 protective door (1).
5. protective door interlock system according to claim 2, it is characterized in that: described latching device (8) is arranged on protective door (1) by bolt.
6. protective door interlock system according to claim 1, it is characterized in that: described urgent lock (3) comprises master cock and the lock core for realizing that master cock is moved joined with electromagnetic lock (6), and described 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 that gathers actuating signal, described lock core is provided with the telescoping push rod to contact for transmission of signal, 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 for locking the locking pin of 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 the pit (51) that makes button be hidden in doorframe (2) plane, and described pit (51) is the truncated cone-shaped of convenient operation 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320411656.3U CN203382348U (en) | 2013-07-10 | 2013-07-10 | Interlocking device for protection doors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320411656.3U CN203382348U (en) | 2013-07-10 | 2013-07-10 | Interlocking device for protection doors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203382348U true CN203382348U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320411656.3U Expired - Fee Related CN203382348U (en) | 2013-07-10 | 2013-07-10 | Interlocking device for protection doors |
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| CN (1) | CN203382348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332575A (en) * | 2013-07-10 | 2013-10-02 | 嘉兴市华东建设机械有限公司 | Protective door interlocking device |
| CN113003363A (en) * | 2021-03-31 | 2021-06-22 | 广西建工集团建筑机械制造有限责任公司 | Linked switch system of automatic door of construction elevator and control method thereof |
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2013
- 2013-07-10 CN CN201320411656.3U patent/CN203382348U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332575A (en) * | 2013-07-10 | 2013-10-02 | 嘉兴市华东建设机械有限公司 | Protective door interlocking device |
| CN113003363A (en) * | 2021-03-31 | 2021-06-22 | 广西建工集团建筑机械制造有限责任公司 | Linked switch system of automatic door of construction elevator and control method thereof |
| CN113003363B (en) * | 2021-03-31 | 2022-12-09 | 广西建工集团建筑机械制造有限责任公司 | Linked switch system of automatic door of construction elevator and control method thereof |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20180710 |