CN103332575B - Protective door interlocking device - Google Patents
Protective door interlocking device Download PDFInfo
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- CN103332575B CN103332575B CN201310291807.0A CN201310291807A CN103332575B CN 103332575 B CN103332575 B CN 103332575B CN 201310291807 A CN201310291807 A CN 201310291807A CN 103332575 B CN103332575 B CN 103332575B
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- lock
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- travel switch
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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
Technical field
The present invention relates to elevator machinery, particularly relate to protective door interlock system.
Background technology
Elevator is indispensable a kind of mechanical equipment in modern high-rise building work progress, its Main Function is that the building materials on ground is transported to Construction of High-rise scene, the conveying efficiency of elevator directly affects the progress of engineering, especially the cage of elevator, as the prevailing traffic structure of elevator, carry the effect of transporting material, elevator also should meet the requirement of construction safety while guaranteed efficiency, the protective door of elevator craning cage does not allow at will to open in the process of transporting material, the protective door of designer to elevator devises diversified interlock system 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 the fixing position of floor or frame, and the detection output signal of position probing block and inductor is connected with the control setup of electro-magnetic mechanical lock, position probing block detects cage position, the safety door reaching the floor only having cage to stop could be opened, the patent No. is a kind of interlock system for protective door machinery disclosed in CN201020144920.8, comprise cage, the interlock system that protective door and protective door are arranged, 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 of the patent No. a kind of building hoist and floor protection door disclosed in CN201020691586.8, comprise the travel switch that correspondence is installed on construction elevator cage side top and bottom, also comprise the baffle-type blocking apparatus that correspondence is located at floor protection door side surface upper part and bottom, one end of described baffle-type blocking apparatus connecting stay wire, the described bracing wire other end is connected with floor protection door door Hinge, the patent No. is a kind of disclosed in CN201120400256.3 controls the door passing in and out building hoist hoistway layer mouth, comprise the car detecting device detecting elevator car location status, comprise the automatic lock linked with described car detecting device, door leaf is provided with door-hinge lock near the position of door-hinge, door-hinge is provided with locks corresponding door-hinge fore shaft with described door-hinge, 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 locks with door-hinge and leaf lock is connected, the electromechanical interlocking device of the patent No. a kind of building hoist stop door disclosed in CN201220601042.7, comprise doorframe, travel switch, rotating shaft, door leaf, door shelves coupling block assembly, baffle plate, 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 be welded on door shield, interlocking hook assembly connects with rotating shaft, interlocking hook assembly can rotate around the axis, baffle plate is welded on doorframe, the rotation of restriction interlocking hook assembly left direction.
Interlock system in above-mentioned patent can make the protective door of elevator craning cage at will open, as: in elevator operational process, only have the protective door of this layer when cage is in target location just can open other each layer protective door simultaneously 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 runs, only have cage after protective door is closed just can run, this interlock improves the safety performance of elevator in operational process, avoid operating personal misoperation and the protective door of non-targeted position is opened and cause potential safety hazard, but technical scheme complicated structure disclosed in above-mentioned patent, and the door-opening mode of protective door is more single, the demand that goods of will asking for help is dual-purpose cannot be met in GB26557-2011 " cage has the dual-purpose building hoist of people's goods of vertically-guided ", and protective door locking effect is poor, easily open by external force, there is potential safety hazard.
In prior art, the locking mode of protective door adopts and arrange independently mechanical lock on two protective door, upper mechanical lock by often fanning protective door after protective door closes locks protective door, this structure makes the complex structure of protective door, such as need to open or close for detecting protective door the detector switch whether put in place often fanning protective door all will arrange, protective door structure will inevitably be caused so complicated, 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 in prior art complicated, 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: 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 for detecting protective door the travel switch II whether put in place, described travel switch I, travel switch II, urgent lock, electromagnetic lock, door open button electrical connection, the protective door being provided with described mechanical lock is provided with the latching device for locking another fan protective door;
Travel switch I controls electromagnetic lock break-make after connecting with door open button, and urgent lock is connected with electromagnetic lock and controls alone the break-make of electromagnetic lock, and the travel switch II be arranged on each layer protective door is connected with control circuit;
Described travel switch I comprises the collision block be arranged on cage makes cage inside bottom surface and flat layered planes leveling error be no more than the contact of positive and negative 15 centimetres with being arranged on cage guide rail.
As preferably, described latching device is catch, described catch one end is arranged on is equipped with on the protective door of mechanical lock, the described catch other end extends to another fan protective door institute planar, described catch is arranged on protective door enabling side, by arranging catch on the protective door being provided with mechanical lock, only have another fan protective door after the protective door being provided with mechanical lock is opened just can open, when closedown protective door, only has the protective door first shut and do not establish the protective door of mechanical lock and then closedown to be provided with mechanical lock, guarantee protective door is closed and is put in place, this structure makes protective door protective door when machinery is not opened open, improve 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 by the mode of welding the Joint strenght that protective door improves latching device and protective door, further increases 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 the master cock that connects with electromagnetic lock and the lock core for realizing master cock action, 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 connects with electromagnetic lock, electromagnetic lock action can be driven during the action of operation urgent lock, electromagnetic lock is the major part controlling protective door action, this connection mode is promptly locked and is connected with electromagnetic lock, improve the safety performance of elevator, and the master cock of urgent lock obtains actuating signal by the mode of touching, simplify the structure of urgent lock, reduce the manufacturing cost of urgent lock.
As preferably, described master cock is provided with the contact gathering actuating signal, described lock core is provided with for transmission of signal to the telescoping push rod of contact, described push rod is provided with and makes the automatically reset retracing spring of push rod, and telescoping push rod is in course of action, and operation is promptly locked the application force making push rod overcome retracing spring and stretched out forward, touch the contact of master cock, master cock action, retracing spring can be utilized after action completes to automatically reset, and structure is simple, 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 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, improve the positioning intensity of protective door, protective door is not easy to be opened by external force, improve the safety performance of elevator, mechanical lock is by locking pin and knock hole locking protective door, and structure is simple, 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 making button be hidden in doorframe plane, described pit is the truncated cone-shaped of convenient operation door open button, because elevator is as constructional engineering machinery, it is comparatively severe that work crosses environment, inevitably be collided in carrying out practically process, door open button protrudes setting and is easy to occur maloperation, door open button set may be made due to operating personal accident collision, this structure makes door open button be hidden in doorframe plane, avoid accident collision and 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 namely to reset, door open button can also be resetted by another state of door open button after operating personal clamshell doors button misoperation in use procedure, improve the work efficiency of elevator.
Protective door interlock system provided by the invention, tool has the following advantages: the protective door being provided with mechanical lock is provided with for locking the latching device that another fans protective door, by arranging latching device on the protective door being provided with mechanical lock, only have another fan protective door after the protective door being provided with mechanical lock is opened just can open, when closedown protective door, only has the protective door first shut and do not establish the protective door of mechanical lock and then closedown to be provided with mechanical lock, guarantee protective door is closed and is put in place, this structure makes protective door protective door when machinery is not opened open, improve the safety performance of elevator, and by being provided with the latching device for locking another fan protective door on the protective door being provided with mechanical lock, only can arrange on the protective door of installation mechanical lock and open or close for detecting protective door the detector switch whether put in place, because that fan protective door not arranging mechanical lock first must be closed when closing protective door, if that fan protective door not arranging mechanical lock is not closed, operating personnel can very intuitively arrive, so only can arrange one for detecting that protective door opens or closes is detector switch not in place, simplify the structure of protective door.
When cage moves in the leveling error of setting, collision block triggering travel switch I is arranged on cage the contact on guide rail, make its conducting and operating personal touch door open button make its set, electromagnetic lock just can be made to obtain electric opening, protective door is able to switch, electromagnetic lock can be made during power-off automatic locking, and protective door is locked closedown.
When being in an emergency, open urgent lock make circuit turn-on after electromagnetic lock open, just can open protective door, when protective door is opened, travel switch II makes cage power-off, and cage can not run, and only in each protective door Close All state, cage could run up and down.
Cage power-off when stop layers, can utilize mechanical lock to be opened by protective door.
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 vertically-guided " standard, cage langding accuracy is high, protective door door-opening mode is flexible, and structure is simple, low cost of manufacture, improves the safety performance of elevator.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of protective door interlock system of the present invention,
Accompanying drawing 2 is protective door interlock system A place of the present invention enlarged drawings,
Accompanying drawing 3 is protective door interlock system B place of the present invention enlarged drawings,
Accompanying drawing 4 is protective door interlock system C place of the present invention enlarged drawings,
Accompanying drawing 5 is protective door interlock system electrical schematic diagrams of the present invention,
Accompanying drawing 6 is latching device schematic diagrams in the present invention.
Shown in figure 1, protective door, 2, doorframe, 3, promptly lock, 4, mechanical lock, 5, door open button, 51, pit, 6, electromagnetic lock, 7, travel switch I, 8, latching device.
Detailed description of the invention
Below in conjunction with accompanying drawing, protective door interlock system of the present invention is described further.
As Fig. 1, shown in Fig. 5, protective door interlock system principle of work provided by the invention is: when cage moves in the leveling error of setting, be arranged on collision block bottom cage and trigger contact travel switch I 7 is arranged 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 set time just can make electromagnetic lock 6 electricly to open, electromagnetic lock 6 must open rear release protective door 1, protective door 1 is just able to switch, when protective door 1 is opened, travel switch II action makes cage power-off, off-position ensures that cage can not run, only in all protective door 1 Close All states, cage just can power on, and then cage is just run, during elevator power-off, electromagnetic lock 6 is automatic locking, protective door 1 is locked closedown, when being in an emergency, open urgent lock 3 make circuit turn-on after electromagnetic lock 6 open, electromagnetic lock 6 just can open protective door 1 after opening, cage power-off when stop layers, can utilize mechanical lock 4 to be opened by protective door 1.
As shown in Figure 1, the physical construction of protective door interlock system provided by the invention is: 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 for detecting protective door 1 travel switch II whether put in place, when namely described flat bed refers to cage close to bus stop, cage inner bottom surface and bus stop ground is made to reach conplane action, described travel switch I 7, travel switch II, urgent lock 3, electromagnetic lock 6, door open button 5 is electrically connected, travel switch I 7 controls electromagnetic lock 6 break-make after connecting with door open button 5, urgent lock 3 is connected with electromagnetic lock 6 and controls alone the break-make of electromagnetic lock 6, and the travel switch II be arranged on each layer protective door 1 is connected with control circuit, described travel switch I 7 comprises the collision block be arranged on cage makes cage inside bottom surface and flat layered planes leveling error just be no more than with being arranged on cage guide rail, the contact of negative 15 centimetres, in conjunction with concrete structure, described travel switch I 7 comprises the collision block being arranged on cage top and the contact be arranged on guide rail, the contact of described every layer is separately positioned on and makes the distance of cage inside bottom surface and flat layered planes not higher than 15 centimeters and make the distance of cage inside bottom surface and flat layered planes be not less than 15 centimeters, when cage moves in the leveling error of setting, namely distance flat layered planes just, time in negative 15 centimetres, the collision block of cage upper stroke switch I 7 triggers the contact be arranged on guide rail, make its conducting and operating personal touch door open button 5 make its set, electromagnetic lock 6 just can be made to obtain electric opening, protective door 1 is able to switch, power-off can make electromagnetic lock 6 automatic locking, protective door 1 is locked closedown, when being in an emergency, open urgent lock 3 make circuit turn-on after electromagnetic lock 6 open, just protective door 1 can be opened, when protective door 1 is opened, travel switch II makes cage power-off, cage can not run, only in each protective door 1 Close All state, cage could run up and down, cage power-off when stop layers, mechanical lock 4 can be utilized to be opened by protective door 1, 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 vertically-guided " standard, cage langding accuracy is high, protective door 1 door-opening mode is flexible, and structure is simple, low cost of manufacture, improves the safety performance of elevator.
As shown in Figure 6, the protective door 1 being provided with described mechanical lock 4 is provided with the latching device 8 for locking another fan protective door 1, described latching device 8 is catch, described catch one end be arranged on mechanical lock 4 is housed protective door on, the described catch other end extends to another fan protective door 1 institute planar, described catch is arranged on protective door 1 and opens the door side, by arranging catch on the protective door being provided with mechanical lock 4, only have another fan protective door 1 after the protective door 1 being provided with mechanical lock 4 is opened just can open, when closedown protective door 1, only have first to shut and do not establish the protective door 1 of mechanical lock 4 and then close the protective door 1 being provided with mechanical lock 4, guarantee protective door 1 is closed and is put in place, this structure makes protective door 1 protective door 1 when mechanical lock 4 is not opened open, improve 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 the Joint strenght that protective door 4 improves latching device 8 and protective door 4 by the mode of welding, further increase 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 as required catch be arranged on protective door 1 by the mode of separable joint or non-disconnectable connection in concrete use procedure, the described catch other end extends to another fan protective door 1 institute planar, described catch is arranged on protective door 1 and opens the door side, by arranging catch on the protective door 1 being provided with mechanical lock 4, only have another fan protective door 1 after the protective door 1 being provided with mechanical lock 4 is opened just can open, when closedown protective door 1, only have first to shut and do not establish the protective door 1 of mechanical lock 4 and then close the protective door 1 being provided with mechanical lock 4, guarantee protective door 1 is closed and is put in place, this structure makes protective door 1 protective door 1 when machinery is not opened open, improve the safety performance of elevator.
In order to improve safety performance when elevator uses further, 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 ensure that elevator normally works when an inefficacy wherein, improve the stability of elevator, extend the service life of elevator.
Further, as shown in Figure 2, described urgent lock 3 comprises the master cock that connects with electromagnetic lock 6 and the lock core for realizing master cock action, 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 gathering actuating signal, described lock core is provided with for transmission of signal to the telescoping push rod of contact, described push rod automatically resets under the effect of retracing spring, telescoping push rod is in course of action, the application force that the urgent lock 3 of operation makes push rod overcome retracing spring stretches out forward, touch the contact of master cock, master cock action, retracing spring can be utilized after action completes to automatically reset, structure is simple, 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 and lock protective door 1, improve the positioning intensity of protective door 1, protective door 1 is not easy to be opened by external force, improves the safety performance of elevator, and mechanical lock 4 is by locking pin and knock hole locking protective door 1, structure is simple, 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 making button be hidden in doorframe 2 plane, the truncated cone-shaped of described pit 51 in convenient operation door open button 5, because elevator is as constructional engineering machinery, it is comparatively severe that work crosses environment, inevitably be collided in carrying out practically process, door open button 5 protrudes setting and is easy to occur maloperation, door open button 5 set may be made due to operating personal accident collision, this structure makes door open button 5 be hidden in doorframe 2 plane, avoid accident collision and 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 makes door open button 5 reset, door open button 5 can also be resetted by another state of door open button 5 after the maloperation of operating personal clamshell doors button 5 in use procedure, improve the work efficiency of elevator.
Technique scheme in use, when cage normally works, the door-opening mode of protective door 1 is: when cage moves in the leveling error of setting, be arranged on collision block bottom cage and trigger contact travel switch I 7 is arranged 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 set time just can make electromagnetic lock 6 electricly to open, electromagnetic lock 6 must open rear release protective door 1, protective door 1 is just able to switch, when protective door 1 is opened, travel switch II action makes cage power-off, off-position ensures that cage can not run, only in all protective door 1 Close All states, cage just can power on, and then cage is just run, during elevator power-off, electromagnetic lock 6 is automatic locking, protective door 1 is locked closedown.
When being in an emergency, the door-opening mode of protective door 1 is: open urgent lock 3 make circuit turn-on after electromagnetic lock 6 open, electromagnetic lock 6 just can open protective door 1 after opening, urgent lock 3 comprises the master cock that connects with electromagnetic lock 6 and the lock core for realizing master cock action, 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 gathering actuating signal, described lock core is provided with for transmission of signal to the telescoping push rod of contact, described push rod automatically resets under the effect of retracing spring, telescoping push rod is in course of action, the application force that the urgent lock 3 of operation makes push rod overcome retracing spring stretches out forward, touch the contact of master cock, master cock action, retracing spring can be utilized after action completes to automatically reset.
The door-opening mode of cage power-off protective door 1 when stop layers is: utilize mechanical lock 4 to be opened by protective door 1, can directly open protective door 1 in the event of a power failure by the key coordinated 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 vertically-guided " standard, cage langding accuracy is high, protective door 1 door-opening mode is flexible, and structure is simple, low cost of manufacture, improves the safety performance of elevator.
The protective door being provided with mechanical lock is provided with the latching device for locking another fan protective door, by arranging latching device on the protective door being provided with mechanical lock, only have another fan protective door after the protective door being provided with mechanical lock is opened just can open, when closedown protective door, only has the protective door first shut and do not establish the protective door of mechanical lock and then closedown to be provided with mechanical lock, guarantee protective door is closed and is put in place, this structure makes protective door protective door when machinery is not opened open, and improves the safety performance of elevator.
These are only the preferred embodiment of the present invention, being 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 skill personnel it should be understood that, all amendments made based on the technology of the present invention content, change or substitute technology feature, all should be covered by the technology category of claims of the present invention opinion.
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 for detecting protective door (1) travel switch II whether put in place, described travel switch I (7), travel switch II, urgent lock (3), electromagnetic lock (6), door open button (5) is electrically connected, the protective door (1) being provided with described mechanical lock (4) is provided with the latching device (8) for locking another fan protective door (1), travel switch I (7) controls electromagnetic lock (6) break-make after connecting with door open button (5), urgent lock (3) is connected with electromagnetic lock (6) and controls alone the break-make of electromagnetic lock (6), and the travel switch II be arranged on each layer protective door (1) is connected with control circuit,
Described travel switch I (7) comprises the collision block be arranged on cage makes cage inside bottom surface and flat layered planes leveling error be no more than the contact of positive and negative 15 centimetres with being arranged on 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 be arranged on mechanical lock (4) are housed protective door (1) on, the described catch other end extends to another fan protective door (1) institute planar, and described catch is arranged on protective door (1) enabling side.
3. protective door interlock system according to claim 2, 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, is characterized in that: described latching device (8) is welded on protective door (1).
5. protective door interlock system according to claim 2, 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 the master cock that connects with electromagnetic lock (6) and the lock core for realizing master cock action, 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 gathering actuating signal, described lock core is provided with for transmission of signal to 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 the pit (51) making button be hidden in doorframe (2) plane, the truncated cone-shaped of described pit (51) in convenient operation door open button (5).
10. protective door interlock system according to claim 9, 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 |
|---|---|---|---|
| CN201310291807.0A CN103332575B (en) | 2013-07-10 | 2013-07-10 | Protective door interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291807.0A CN103332575B (en) | 2013-07-10 | 2013-07-10 | Protective door interlocking device |
Publications (2)
| Publication Number | Publication Date |
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| CN103332575A CN103332575A (en) | 2013-10-02 |
| CN103332575B true CN103332575B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310291807.0A Expired - Fee Related CN103332575B (en) | 2013-07-10 | 2013-07-10 | Protective door interlocking device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109368461A (en) * | 2018-09-26 | 2019-02-22 | 苏州骏捷升降机械科技有限公司 | A kind of convertible double door clamping lock of hoistable platform |
| CN112343438B (en) * | 2019-08-08 | 2021-11-16 | 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 |
| 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 |
| CN113479748A (en) * | 2021-07-01 | 2021-10-08 | 中建八局发展建设有限公司 | Construction elevator and floor protective door interlocking device and method |
| CN113816240A (en) * | 2021-09-26 | 2021-12-21 | 中铁建设集团中原建设有限公司 | Automatic integration system of outdoor elevator guard gate and construction elevator |
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| US5454447A (en) * | 1994-04-06 | 1995-10-03 | Otis Elevator Company | Elevator hoistway door bolt lock |
| JPH0952685A (en) * | 1995-08-15 | 1997-02-25 | Mitsubishi Denki Bill Techno Service Kk | Device for releasing lock of door of landing floor |
| HK1044680A2 (en) * | 2002-07-12 | 2002-10-18 | China State Construction Hongk | Construction hoists (material lifts/hoists) safety door electro-mechanical interlock device |
| JP2010163236A (en) * | 2009-01-14 | 2010-07-29 | Toshiba Elevator Co Ltd | Car door lock device for elevator |
| CN201686382U (en) * | 2010-03-30 | 2010-12-29 | 杭州华诚机械有限公司 | Interlocking device for landing door machine |
| CN201942400U (en) * | 2010-12-30 | 2011-08-24 | 成都市第四建筑工程公司 | Interlocking device for construction lift and floor protective door |
| CN203382348U (en) * | 2013-07-10 | 2014-01-08 | 嘉兴市华东建设机械有限公司 | Interlocking device for protection doors |
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- 2013-07-10 CN CN201310291807.0A patent/CN103332575B/en not_active Expired - Fee Related
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| CN103332575A (en) | 2013-10-02 |
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