CN111747253B - Landing door device of elevator - Google Patents
Landing door device of elevator Download PDFInfo
- Publication number
- CN111747253B CN111747253B CN201910236697.5A CN201910236697A CN111747253B CN 111747253 B CN111747253 B CN 111747253B CN 201910236697 A CN201910236697 A CN 201910236697A CN 111747253 B CN111747253 B CN 111747253B
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- door
- closing
- controller
- full
- landing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
Abstract
Disclosure of the inventionThe elevator landing door device comprises a landing door, a forced door closing device, a door full-closing detector, a door full-opening detector and a controller; the forced door closing device is used for automatically driving the landing door to close and lock after the lift car leaves the flat landing position; the door full-closing detector outputs a door full-closing signal to the controller when the elevator landing door is fully closed; the door full-open detector outputs a door full-open signal to the controller when the elevator landing door is fully open; the controller stores a reference forced door closing time T0; when the controller is in maintenance state, if
Outputting forced door closing fault information; t1 is the time difference between the door full open signal and the door full close signal that the controller receives in sequence. The elevator landing door device can accurately detect whether the door closing resistance of the landing door is normal or whether the function of the forced door closing device fails during maintenance.
Description
Technical Field
The invention relates to an elevator technology, in particular to an elevator landing door device.
Background
When the elevator arrives at a landing, the elevator landing door device is driven by the car door device, and the car door and the landing door are linked and then opened for passengers to come in and go out. After the car leaves the flat position, the landing door should be able to close and lock automatically, prevent that the passenger from opening the landing door easily and falling the well.
The existing scheme for automatically closing and locking the landing door is to arrange a heavy hammer or a spring and other forced door closing devices on the landing door of the elevator, and when strong wind blows the landing door, the forced door closing devices cannot normally and automatically close the landing door under sudden resistance, so that the landing door is not locked, and the danger of falling down a hoistway is caused.
Another existing scheme for automatically closing and locking the landing door is to use a spring type forced door closing device for the elevator, and because the spring is in mechanical fatigue after long use, the rigidity has a reduced risk, and it is difficult to detect whether the forced door closing capability of the spring type forced door closing device is obviously reduced during maintenance, so that danger is easily caused in the subsequent process.
At present, when the elevator is maintained, whether the door closing resistance of a landing door device is normal or not is difficult to automatically and intelligently detect, and the source of abnormal resistance can only be found after obvious faults occur.
Disclosure of Invention
The invention aims to solve the technical problem of providing an elevator landing door device, which can accurately detect whether the door closing resistance of the landing door is normal or whether the function of a forced door closing device fails during maintenance.
In order to solve the technical problem, the elevator landing door device provided by the invention comprises a landing door, a forced door closing device, a door full-closing detector, a door full-opening detector and a controller 9;
the forced door closing device is used for automatically driving the landing door to close and lock after the lift car leaves the flat position;
the door full-closing detector outputs a door full-closing signal to the controller 9 when the elevator landing door is fully closed;
the door full-open detector outputs a door full-open signal to the controller 9 when the elevator landing door is fully open;
the controller 9 stores a reference forced door closing time T0;
the controller 9 has a normal state and a maintenance state, if in the maintenance state
Outputting forced door closing fault information; t1 is a time difference between the door full-open signal and the door full-close signal that the controller 9 sequentially receives.
Preferably, the controller 9 is in maintenance state if
The forced door-closing failure information is output.
Preferably, the door full-closing detector is a door-closing-in-place switch, and the door-closing-in-place switch comprises a door-closing-in-place switch plug 13 and a door-closing-in-place switch socket 14;
the door full-open detector is a door opening in-place switch which comprises a door opening in-place switch plug 15 and a door opening in-place switch socket 16;
the controller 9 is connected with a door opening in-place switch and a door closing in-place switch;
the elevator landing door device also comprises an upper sill frame body 2 and a door guide rail 3;
the landing door comprises a driving side door hanging plate 4 and a driven side door hanging plate 5;
the door guide rail 3 is fixedly arranged on the upper ridge frame body 2;
the driving side door hanging plate 4 and the driven side door hanging plate 5 are respectively provided with a hanging wheel;
the driving side door hanging plate 4 and the driven side door hanging plate 5 respectively slide along the door guide rail 3 in a straight line through a change gear;
the door opening in-place switch plug 15 is arranged on the driving side door hanging plate 4;
the door opening in-place switch socket 16 is arranged at the door opening in-place end of the driving side of the upper sill frame body 2;
when the landing door is opened to the full-open position, the door opening in-place switch plug 15 is inserted into the door opening in-place switch socket 16 to switch on the door opening in-place switch, and the door opening in-place switch outputs a door full-open signal to the controller 9;
the door closing in-place switch plug 13 is arranged on the driven side door hanging plate;
the door closing in-place switch socket 14 is arranged in the middle of the upper threshold frame body 2;
when the landing door is closed to the full-closed position, the door-closing-in-place switch plug 13 is inserted into the door-closing-in-place switch socket 14 to switch on the door-closing-in-place switch, and the door-closing-in-place switch outputs a door full-closed signal to the controller 9.
Preferably, before the elevator is delivered to a customer, the elevator car is not in a flat layer area, and a forced door closing device is used for driving the landing door to close the door without external interference; when the landing door begins to be closed, the door opening in-place switch plug 15 and the door opening in-place switch socket 16 are disconnected, the door opening in-place switch stops outputting a door full-open signal to the controller 9, and at the moment, the controller 9 records the reference door closing starting time t0(ii) a When the floor door is completely closed in the door closing process, the door closing in-place switch plug 13 is inserted into the door closing in-place switch socket 14, the door closing in-place switch is switched on, the door closing in-place switch outputs a door full-close signal to the controller 9, and at the moment, the controller 9 records the reference door closing in-place time t0’,t0’-t0Namely the reference forced door closing time T0;
during maintenance, the controller 9 enters a maintenance state to prevent the car from being in a flat layer area, and a forced door closing device is used for driving a landing door to close the door without external interference; landing doorWhen the door begins to be closed, the door opening in-place switch plug 15 and the door opening in-place switch socket 16 are disconnected, the door opening in-place switch stops outputting a door full-open signal to the controller 9, and at the moment, the controller 9 records the maintenance door closing starting time t1(ii) a When the landing door is completely closed in the door closing process, the door closing in-place switch plug 13 is inserted into the door closing in-place switch socket 14, the door closing in-place switch is switched on, the door closing in-place switch outputs a door full-closing signal to the controller 9, and at the moment, the controller 9 records the maintenance door closing in-place time t1’,T1＝(t1’-t1)。
Preferably, the gate fully-closed detector and the gate fully-opened detector are formed by combining a photoelectric switch 22, a first light shielding plate 21 and a second light shielding plate 20;
the photoelectric switch 22 has K optical axes, and K is an integer greater than or equal to 2;
the controller 9 is connected with the photoelectric switch 22;
the elevator landing door device also comprises an upper sill frame body 2 and a door guide rail 3;
the landing door comprises a driving side door hanging plate 4 and a driven side door hanging plate 5;
the door guide rail 3 is fixedly arranged on the upper ridge frame body 2;
the driving side door hanging plate 4 and the driven side door hanging plate 5 are respectively provided with a hanging wheel;
the driving side door hanging plate 4 and the driven side door hanging plate 5 respectively slide along the door guide rail 3 in a straight line through a change gear;
the first shading plate 21 is arranged at one end of the driving side door hanging plate 4 close to the center of the door;
the second light shading plate 20 is arranged at one end of the driving side door hanging plate 4 far away from the center of the door;
the photoelectric switch 22 is arranged on the upper sill frame body 2;
when the landing door is opened to the full-open position, the first light shielding plate 21 is inserted into the photoelectric switch 22 to shield the M optical axes, and the photoelectric switch outputs a door full-open signal to the controller 9;
when the landing door is closed to the fully closed position, the second light shielding plate 20 is inserted into the photoelectric switch 22 to shield the N optical axes, and the photoelectric switch outputs a door fully closed signal to the controller 9;
m ≠ N, M, N is a positive integer less than or equal to K.
Preferably, K is 2, M is 1, and N is 2.
Preferably, before the elevator is delivered to a customer, the elevator car is not in a flat layer area, and a forced door closing device is used for driving the landing door to close the door without external interference; when the landing door begins to close, the first light shielding plate 21 leaves the photoelectric switch 22, the photoelectric switch 22 stops outputting a door full-opening signal to the controller 9, and at the moment, the controller 9 records the reference door closing starting time t0(ii) a When the door closing process is completed and the landing door is completely closed, the second light shading plate 20 is inserted into the photoelectric switch 22, the photoelectric switch 22 outputs a door full-closing signal to the controller 9, and at the moment, the controller 9 records the reference door closing in-place time t0’,t0’-t0Namely the reference forced door closing time T0;
during maintenance, the controller 9 enters a maintenance state to prevent the car from being in a flat layer area, and a forced door closing device is used for driving a landing door to close the door without external interference; when the landing door begins to close, the first light shielding plate 21 leaves the photoelectric switch 22, the photoelectric switch 22 stops outputting a door full-opening signal to the controller 9, and at the moment, the controller 9 records the maintenance door closing starting time t1(ii) a When the door closing process is finished and the landing door is completely closed, the second light shading plate 20 is inserted into the photoelectric switch 22, the photoelectric switch 22 outputs a door full-closing signal to the controller 9, and at the moment, the controller 9 records the maintenance door closing in-place time t1’,T1＝(t1’-t1)。
Preferably, the door closing forcing device is a weight type door closing forcing device;
the forced door closing device comprises a guide wheel 31, a weight wire rope 32 and a weight 33;
the guide wheel 31 is fixed on a door hanging plate;
the weight steel wire 32 is wound around the guide wheel 31, one end of the weight steel wire is connected and fixed to the steel wire fixing piece of the other door hanging plate, and the other end of the weight steel wire is connected and fixed to the weight 33;
the weight 33 provides a constant forced closing force for the landing door.
Preferably, the forced door closing device is a spring type forced door closing device;
said forced door closing means comprise a spring 41;
one end of the spring 41 is fixed on the driving side door hanging plate 4, and the other end of the spring is installed and fixed on the upper sill frame body 2.
Preferably, the elevator landing door device further comprises a first return rope wheel 51, a second return rope wheel 52 and a linkage steel wire rope 53;
the first return rope wheel 51 and the second return rope wheel 52 are respectively arranged at two ends of the upper sill frame body 2;
the interlocking wire rope 53 respectively bypasses the first return rope wheel 51 and the second return rope wheel 52, two ends of the interlocking wire rope 53 are respectively connected with the driving side and the driven side of the driving side door hanging plate 4, and the middle part of the interlocking wire rope 53 is fixedly connected with the driven side door hanging plate 5 through a wire rope clamp 54.
Preferably, the far ends of the two sides of the door guide rail 3 of the upper sill frame body 2 are provided with door full-open stopping devices 55, so that the landing door is prevented from being separated from the track of the door guide rail 3 too much when being opened.
Preferably, the door guide rail 3 and the upper sill frame body 2 are integrally formed and fixed together.
The invention relates to an elevator landing door device, wherein a controller 9 compares a time difference T1 between a door full-opening signal and a door full-closing signal which are received in sequence in a maintenance state with a reference forced door-closing time T0 to see whether the time difference is obviously increased or not, if the time consumption is obviously increased, the function of the forced door-closing device is failed or the door-closing resistance is abnormal, at the moment, the controller 9 sends out forced door-closing fault information (which can be transmitted to a main control cabinet to enable a remote system to timely know the field condition), and the elevator landing door device can accurately detect whether the door-closing resistance of the landing door is normal or the function of the forced door-closing device is failed or not in maintenance, so as to remind a maintenance worker to carefully check the assembly and operation conditions of the landing door device components to find out and eliminate the faults.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of an elevator landing door apparatus of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural view of another embodiment of an elevator landing door apparatus of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a schematic view of the spring type forced door closing device.
The reference numbers in the figures illustrate:
9 a controller; 13 closing the door to the position switch plug; 14 closing the door to the position switch socket; 15 opening the door to the position to switch the plug; 16 open the door to the position switch socket; 2, mounting the ridge frame body; 3 door guide rails; 4 driving a side door hanging plate; 5, hanging a driven side door; 22 a photoelectric switch; 21 a first light shielding plate; 20 a second light shielding plate; 31 a guide wheel; 32 weight wire ropes; 33 weight hammer; 41 spring; 51 a first return sheave; 52 a second return sheave; 53 interlocking steel wire ropes; 54 through a wire rope clamp; 55 door full open prevention device.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1 to 5, the elevator landing door apparatus includes a landing door, a forced door closing apparatus, a door full-closing detector, a door full-opening detector, and a controller 9;
the forced door closing device is used for automatically driving the landing door to close and lock after the lift car leaves the flat position;
the door full-closing detector outputs a door full-closing signal to the controller 9 when the elevator landing door is fully closed;
the door full-open detector outputs a door full-open signal to the controller 9 when the elevator landing door is fully open;
the controller 9 stores a reference forced door closing time T0;
the controller 9 has a normal state and a maintenance state, if in the maintenance state
Outputting forced door closing fault information; t1 is a time difference between the door full-open signal and the door full-close signal that the controller 9 sequentially receives.
Preferably, the controller 9 is in maintenance state if
The forced door-closing failure information is output.
In the elevator landing door apparatus according to the first embodiment, the controller 9 compares the time difference T1 between the door full-open signal and the door full-close signal received successively in the maintenance state with the reference forced door-closing time T0 to see whether there is an obvious increase, and if the elapsed time is obviously increased (for example, by 30%), it indicates that the function of the forced door-closing apparatus is in failure or the door-closing resistance is abnormal, at this time, the controller 9 may send out forced door-closing failure information (which may be transmitted to the main control cabinet, so that the remote system can also know the situation on site in time), and the elevator landing door apparatus can accurately detect whether the door-closing resistance of the landing door is normal or the function of the forced door-closing apparatus is in failure during maintenance, and remind the maintenance staff to carefully check the assembly and operation conditions of the landing door apparatus components to find out and remove the failure.
Example two
As shown in fig. 1 and 2, the elevator landing door device according to the first embodiment is configured such that the door full-closing detector is a door-closing-in-place switch, and the door-closing-in-place switch includes a door-closing-in-place switch plug 13 and a door-closing-in-place switch socket 14;
the door full-open detector is a door opening in-place switch which comprises a door opening in-place switch plug 15 and a door opening in-place switch socket 16;
the controller 9 is connected with a door opening in-place switch and a door closing in-place switch;
the elevator landing door device also comprises an upper sill frame body 2 and a door guide rail 3;
the landing door comprises a driving side door hanging plate 4 and a driven side door hanging plate 5;
the door guide rail 3 is fixedly arranged on the upper ridge frame body 2;
the driving side door hanging plate 4 and the driven side door hanging plate 5 are respectively provided with a hanging wheel;
the driving side door hanging plate 4 and the driven side door hanging plate 5 respectively slide along the door guide rail 3 in a straight line through a change gear;
the door opening in-place switch plug 15 is arranged on the driving side door hanging plate 4;
the door opening in-place switch socket 16 is arranged at the door opening in-place end of the driving side of the upper sill frame body 2;
when the landing door is opened to the full-open position, the door opening in-place switch plug 15 is inserted into the door opening in-place switch socket 16 to switch on the door opening in-place switch, and the door opening in-place switch outputs a door full-open signal to the controller 9;
the door closing in-place switch plug 13 is arranged on the driven side door hanging plate;
the door closing in-place switch socket 14 is arranged in the middle of the upper threshold frame body 2;
when the landing door is closed to the full-closed position, the door-closing-in-place switch plug 13 is inserted into the door-closing-in-place switch socket 14 to switch on the door-closing-in-place switch, and the door-closing-in-place switch outputs a door full-closed signal to the controller 9.
Preferably, before the elevator is delivered to a customer, the elevator car is not in a flat layer area, and the forced door closing device is used for driving the landing door to close without external interference (without wind pressure or abnormal resistance such as sill garbage interference); when the landing door begins to be closed, the door opening in-place switch plug 15 and the door opening in-place switch socket 16 are disconnected, the door opening in-place switch stops outputting a door full-open signal to the controller 9, and at the moment, the controller 9 records the reference door closing starting time t0(ii) a When the door closing process is finished and the landing door is completely closed, the door closing in-place switch plug 13 is inserted into the door closing in-place switch socket 14, the door closing in-place switch is switched on,the door-closing in-place switch outputs a door full-closing signal to the controller 9, and at the moment, the controller 9 records the reference door-closing in-place time t0’,t0’-t0Namely the reference forced door closing time T0;
during maintenance, the controller 9 enters a maintenance state to prevent the car from being in a flat layer area, and a forced door closing device is used for driving the landing door to close without external interference (without wind pressure or abnormal resistance such as sill garbage interference); when the landing door begins to be closed, the door opening in-place switch plug 15 and the door opening in-place switch socket 16 are disconnected, the door opening in-place switch stops outputting a door full-open signal to the controller 9, and at the moment, the controller 9 records the maintenance door closing starting time t1(ii) a When the landing door is completely closed in the door closing process, the door closing in-place switch plug 13 is inserted into the door closing in-place switch socket 14, the door closing in-place switch is switched on, the door closing in-place switch outputs a door full-closing signal to the controller 9, and at the moment, the controller 9 records the maintenance door closing in-place time t1’,T1＝(t1’-t1)。
In the elevator landing door device of the second embodiment, the self-detection function of the forced door closing device during maintenance is realized by using the additional door opening in-place switch and the door closing in-place switch which is usually arranged in the elevator.
EXAMPLE III
As shown in fig. 3 and 4, the elevator landing door device according to the first embodiment is configured by combining a photoelectric switch 22, a first light shielding plate 21 and a second light shielding plate 20 to form a fully closed door detector and a fully opened door detector;
the photoelectric switch 22 has K optical axes, and K is an integer greater than or equal to 2;
the controller 9 is connected with the photoelectric switch 22;
the elevator landing door device also comprises an upper sill frame body 2 and a door guide rail 3;
the landing door comprises a driving side door hanging plate 4 and a driven side door hanging plate 5;
the door guide rail 3 is fixedly arranged on the upper ridge frame body 2;
the driving side door hanging plate 4 and the driven side door hanging plate 5 are respectively provided with a hanging wheel;
the driving side door hanging plate 4 and the driven side door hanging plate 5 respectively slide along the door guide rail 3 in a straight line through a change gear;
the first shading plate 21 is arranged at one end of the driving side door hanging plate 4 close to the center of the door;
the second light shading plate 20 is arranged at one end of the driving side door hanging plate 4 far away from the center of the door;
the photoelectric switch 22 is arranged on the upper sill frame body 2;
when the landing door is opened to the full-open position, the first light shielding plate 21 is inserted into the photoelectric switch 22 to shield the M optical axes, and the photoelectric switch outputs a door full-open signal to the controller 9;
when the landing door is closed to the fully closed position, the second light shielding plate 20 is inserted into the photoelectric switch 22 to shield the N optical axes, and the photoelectric switch outputs a door fully closed signal to the controller 9;
m ≠ N, M, N is a positive integer less than or equal to K.
Preferably, K is 2, M is 1, and N is 2.
Preferably, before the elevator is delivered to a customer, the elevator car is not in a flat layer area, and the forced door closing device is used for driving the landing door to close without external interference (without wind pressure or abnormal resistance such as sill garbage interference); when the landing door begins to close, the first light shielding plate 21 leaves the photoelectric switch 22, the photoelectric switch 22 stops outputting a door full-opening signal to the controller 9, and at the moment, the controller 9 records the reference door closing starting time t0(ii) a When the door closing process is completed and the landing door is completely closed, the second light shading plate 20 is inserted into the photoelectric switch 22, the photoelectric switch 22 outputs a door full-closing signal to the controller 9, and at the moment, the controller 9 records the reference door closing in-place time t0’,t0’-t0Namely the reference forced door closing time T0;
during maintenance, the controller 9 enters a maintenance state to prevent the car from being in a flat layer area, and a forced door closing device is used for driving the landing door to close without external interference (without wind pressure or abnormal resistance such as sill garbage interference); when the landing door begins to close, the first light shielding plate 21 leaves the photoelectric switch 22, the photoelectric switch 22 stops outputting a door full-opening signal to the controller 9, and at the moment, the controller 9 records the maintenance door closing starting time t1(ii) a When closing the doorWhen the landing door is completely closed, the second light shielding plate 20 is inserted into the photoelectric switch 22, the photoelectric switch 22 outputs a door full-closing signal to the controller 9, and at the moment, the controller 9 records the maintenance door in-place time t1’,T1＝(t1’-t1)。
According to the elevator landing door device in the third embodiment, the controller can receive different signals according to different numbers of the optical axes covered by the photoelectric switches, so that the opening and closing states of the landing door are identified, and the self-detection function of the forced door closing device during maintenance is realized.
Example four
The elevator landing door device according to the second or third embodiment, as shown in fig. 1, 2 and 3, the forced door closing device is a weight type forced door closing device;
the forced door closing device comprises a guide wheel 31, a weight wire rope 32 and a weight 33;
the guide wheel 31 is fixed on a door hanging plate;
the weight steel wire 32 is wound around the guide wheel 31, one end of the weight steel wire is connected and fixed to the steel wire fixing piece of the other door hanging plate, and the other end of the weight steel wire is connected and fixed to the weight 33;
the weight 33 provides a constant forced closing force for the landing door.
EXAMPLE five
The elevator landing door device according to the second or third embodiment, as shown in fig. 5, the door closing forcing device is a spring type door closing forcing device;
said forced door closing means comprise a spring 41;
one end of the spring 41 is fixed on the driving side door hanging plate 4, and the other end of the spring is installed and fixed on the upper sill frame body 2.
EXAMPLE six
Based on the second or third embodiment, the elevator landing door device further comprises a first return rope wheel 51, a second return rope wheel 52 and a linkage steel wire rope 53;
the first return rope wheel 51 and the second return rope wheel 52 are respectively arranged at two ends of the upper sill frame body 2;
the interlocking wire rope 53 respectively bypasses the first return rope wheel 51 and the second return rope wheel 52, two ends of the interlocking wire rope 53 are respectively connected with the driving side and the driven side of the driving side door hanging plate 4, and the middle part of the interlocking wire rope 53 is fixedly connected with the driven side door hanging plate 5 through a wire rope clamp 54.
Preferably, the far ends of the two sides of the door guide rail 3 of the upper sill frame body 2 are provided with door full-open stopping devices 55, so that the landing door is prevented from being separated from the track of the door guide rail 3 too much when being opened.
Preferably, the door guide rail 3 and the upper sill frame body 2 are integrally formed and fixed together.
The invention is not to be considered as limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. An elevator landing door device is characterized by comprising a landing door, a forced door closing device, a door full-closing detector, a door full-opening detector and a controller (9);
the forced door closing device is used for automatically driving the landing door to close and lock after the lift car leaves the flat position;
the door full-closing detector outputs a door full-closing signal to the controller (9) when the elevator landing door is fully closed;
the door full-open detector outputs a door full-open signal to the controller (9) when the elevator landing door is fully open;
the controller (9) stores a reference forced door closing time T0;
the controller (9) has a normal state and a maintenance state, in the maintenance state, if
Outputting forced door closing fault information; and T1 is the time difference between the door full-opening signal and the door full-closing signal which are sequentially received by the controller (9).
2. Elevator landing door arrangement according to claim 1,
when the controller (9) is in a maintenance state, if
The forced door-closing failure information is output.
3. Elevator landing door arrangement according to claim 1,
the door full-closing detector is a door closing in-place switch, and the door closing in-place switch comprises a door closing in-place switch plug (13) and a door closing in-place switch socket (14);
the door full-open detector is a door opening in-place switch which comprises a door opening in-place switch plug (15) and a door opening in-place switch socket (16);
the controller (9) is connected with the door opening in-place switch and the door closing in-place switch;
the elevator landing door device also comprises an upper sill frame body (2) and a door guide rail (3);
the landing door comprises a driving side door hanging plate (4) and a driven side door hanging plate (5);
the door guide rail (3) is fixedly arranged on the upper sill frame body (2);
hanging wheels are respectively arranged on the driving side door hanging plate (4) and the driven side door hanging plate (5);
the driving side door hanging plate (4) and the driven side door hanging plate (5) respectively slide along the door guide rail (3) through a change gear in a straight line;
the door opening in-place switch plug (15) is arranged on the driving side door hanging plate (4);
the door opening in-place switch socket (16) is arranged at the driving side door opening end of the upper threshold frame body (2);
when the landing door is opened to the full-open position, the door opening in-place switch plug (15) is inserted into the door opening in-place switch socket (16) to switch on the door opening in-place switch, and the door opening in-place switch outputs a door full-open signal to the controller (9);
the closing in-place switch plug (13) is arranged on the driven side door hanging plate;
the door closing in-place switch socket (14) is arranged in the middle of the upper threshold frame body (2);
when the landing door is closed to the full-closed position, the door-closing-in-place switch plug (13) is inserted into the door-closing-in-place switch socket (14) to switch on the door-closing-in-place switch, and the door-closing-in-place switch outputs a door full-closed signal to the controller (9).
4. Elevator landing door arrangement according to claim 3,
before the elevator is delivered to a customer, the elevator car is not in a flat layer area, and a forced door closing device is used for driving a landing door to close the door without external interference; when the landing door begins to be closed, the door opening in-place switch plug (15) and the door opening in-place switch socket (16) are disconnected, the door opening in-place switch stops outputting a door full-open signal to the controller (9), and at the moment, the controller (9) records the reference door closing starting time t0(ii) a When the floor door is completely closed in the door closing process, the door closing in-place switch plug (13) is inserted into the door closing in-place switch socket (14), the door closing in-place switch is switched on, the door closing in-place switch outputs a door full-closing signal to the controller (9), and at the moment, the controller (9) records the reference door closing in-place time t0’,t0’-t0Namely the reference forced door closing time T0;
during maintenance, the controller (9) enters a maintenance state, the car is not in a flat layer area, and a forced door closing device is used for driving a landing door to close the door without external interference; when the landing door begins to be closed, the door opening in-place switch plug (15) and the door opening in-place switch socket (16) are disconnected, the door opening in-place switch stops outputting a door full-open signal to the controller (9), and at the moment, the controller (9) records the time t of maintaining and starting to close the door1(ii) a When the landing door is completely closed in the door closing process, the door closing in-place switch plug (13) is inserted into the door closing in-place switch socket (14), the door closing in-place switch is switched on, the door closing in-place switch outputs a door full-closing signal to the controller (9), and at the moment, the controller (9) records and maintains the door closing in-place time t1’,T1＝(t1’-t1)。
5. Elevator landing door arrangement according to claim 1,
the gate full-close detector and the gate full-open detector are formed by combining a photoelectric switch (22), a first light shielding plate (21) and a second light shielding plate (20);
the photoelectric switch (22) is provided with K optical axes, and K is an integer greater than or equal to 2;
the controller (9) is connected with the photoelectric switch (22);
the elevator landing door device also comprises an upper sill frame body (2) and a door guide rail (3);
the landing door comprises a driving side door hanging plate (4) and a driven side door hanging plate (5);
the door guide rail (3) is fixedly arranged on the upper sill frame body (2);
hanging wheels are respectively arranged on the driving side door hanging plate (4) and the driven side door hanging plate (5);
the driving side door hanging plate (4) and the driven side door hanging plate (5) respectively slide along the door guide rail (3) through a change gear in a straight line;
the first shading plate (21) is arranged at one end of the driving side door hanging plate (4) close to the center of the door;
the second light shading plate (20) is arranged at one end of the driving side door hanging plate (4) far away from the center of the door;
the photoelectric switch (22) is arranged on the upper threshold frame body (2);
when the landing door is opened to a full-open position, the first light shielding plate (21) is inserted into the photoelectric switch (22) to shield M optical axes, and the photoelectric switch outputs a door full-open signal to the controller (9);
when the landing door is closed to the full-closed position, the second light shielding plate (20) is inserted into the photoelectric switch (22) to shield the N optical axes, and the photoelectric switch outputs a door full-closed signal to the controller (9);
m ≠ N, M, N is a positive integer less than or equal to K.
6. Elevator landing door arrangement according to claim 5,
K＝2,M＝1，N＝2。
7. elevator landing door arrangement according to claim 5,
before the elevator is delivered to a customer, the elevator car is not in a flat layer area, and a forced door closing device is used for driving a landing door to close the door without external interference; when the landing door begins to close, the first shading plate (21) leaves the photoelectric switch (22), the photoelectric switch (22)Stopping outputting the door full-open signal to the controller (9), at which time the controller (9) records the reference door closing starting time t0(ii) a When the landing door is completely closed after the door closing process is finished, the second light shielding plate (20) is inserted into the photoelectric switch (22), the photoelectric switch (22) outputs a door full-closing signal to the controller (9), and at the moment, the controller (9) records the reference door closing in-place time t0’,t0’-t0Namely the reference forced door closing time T0;
during maintenance, the controller (9) enters a maintenance state, the car is not in a flat layer area, and a forced door closing device is used for driving a landing door to close the door without external interference; when the landing door begins to be closed, the first light shielding plate (21) leaves the photoelectric switch (22), the photoelectric switch (22) stops outputting a door full-opening signal to the controller (9), and at the moment, the controller (9) records the time t for maintaining the door to be closed1(ii) a When the landing door is completely closed after the door closing process is finished, the second light shielding plate (20) is inserted into the photoelectric switch (22), the photoelectric switch (22) outputs a door full-closing signal to the controller (9), and at the moment, the controller (9) records the maintenance door closing in-place time t1’,T1＝(t1’-t1)。
8. Elevator landing door arrangement according to claim 3 or 5,
the forced door closing device is a weight type forced door closing device;
the forced door closing device comprises a guide wheel (31), a weight steel wire rope (32) and a weight (33);
the guide wheel (31) is fixed on a door hanging plate;
the heavy hammer steel wire (32) is wound around the guide wheel (31), one end of the heavy hammer steel wire is connected and fixed to the steel wire rope fixing part of the other door hanging plate, and the other end of the heavy hammer steel wire is connected and fixed to the heavy hammer (33);
the weight (33) provides a constant force for forcing the door to close.
9. Elevator landing door arrangement according to claim 3 or 5,
the forced door closing device is a spring type forced door closing device;
the door-closing forcing device comprises a spring (41);
one end of the spring (41) is fixed on the driving side door hanging plate (4), and the other end of the spring is installed and fixed on the upper sill frame body (2).
10. Elevator landing door arrangement according to claim 3 or 5,
the elevator landing door device also comprises a first return rope wheel (51), a second return rope wheel (52) and a linkage steel wire rope (53);
the first rope return wheel (51) and the second rope return wheel (52) are respectively arranged at two ends of the upper sill frame body (2);
the linkage steel wire rope (53) respectively bypasses the first return rope wheel (51) and the second return rope wheel (52), two ends of the linkage steel wire rope (53) are respectively connected with the driving side and the driven side of the driving side door hanging plate (4), and the middle part of the linkage steel wire rope (53) is fixedly connected with the driven side door hanging plate (5) through a steel wire rope clamp (54).
11. Elevator landing door arrangement according to claim 3 or 5,
the far ends of the two sides of the door guide rail (3) of the upper sill frame body (2) are provided with door full-open stopping devices (55), and the landing door is prevented from being separated from the door guide rail (3) track too much.
12. Elevator landing door arrangement according to claim 3 or 5,
the door guide rail (3) and the upper sill frame body (2) are integrally formed and fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910236697.5A CN111747253B (en) | 2019-03-27 | 2019-03-27 | Landing door device of elevator |
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| CN201910236697.5A CN111747253B (en) | 2019-03-27 | 2019-03-27 | Landing door device of elevator |
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| CN111747253B true CN111747253B (en) | 2021-12-03 |
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