JPH05791A - Elevator hold lock check device - Google Patents

Abstract

(57) [Summary] [Purpose] The inspection of the lock device of Holdor is performed accurately and without human intervention. [Structure] Stop means for stopping the door opening / closing motor 33 in response to a door lock release signal from a door lock switch 20, and pressing means 9 for pressing the hold door 12 and the car door 1 after the operation of the door opening / closing motor 33 stopping means. Locking means for locking the door opening / closing motor, the door opening / closing motor restarting means for restarting the driving of the door opening / closing motor 33 after locking by the locking means, and the movement of the hold door after the operation of the motor restarting means. Detection devices 40 to 43 for detecting the presence or absence of

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator hold door lock inspection device for inspecting whether an elevator hold door lock device is in a prescribed state.

[0002]

2. Description of the Related Art A hall door in an elevator hall is opened when the elevator car is seated on the floor of the hall and the car door is opened, and is opened together with the opening of the car door. It cannot be manually opened from the side, which prevents passengers in the elevator hall from falling into the hoistway. Therefore, it is extremely important to check whether or not the lock device is in a normal state.

One of the two maintenance personnel operating the car on the car roof, the other one visually inspects the entire locking device and confirms the operating state of the entire locking device, and at a predetermined location. Inspection of this locking device is carried out by measuring the dimensions of.

[0004]

As described above, inspecting the lock device not only requires two maintenance personnel, but the maintenance personnel on the roof of the car have a poor footing and are in a dark operating state. It had to be checked and measured, and it took a long time because it was not an easy task. Also, dust and oil stains were terrible because of riding on the roof of the basket.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems in the prior art and to provide a lock inspection device for an elevator hold door capable of performing an inspection easily and quickly.

[0006]

In order to achieve the above object, the present invention provides a lock state when a car door is opened by a door opening / closing motor attached to the car side of an elevator. In the lock inspection device for the elevator hold door that is released together with the car door, the stopping means for stopping the door opening / closing motor in response to the door lock opening signal, and the hold door and the door after the door opening / closing motor stopping means is activated. Locking means for locking the car door, door opening / closing motor restarting means for restarting driving of the door opening / closing motor after locking by the locking means, and operation of the hold door after operation of the motor restarting means. A detection means for detecting the presence or absence of movement is provided.

[0007]

[Operation] When the lock of the hold door is inspected, the car is automatically landed on the hole with the lock device to be inspected. After landing, when the car door starts to open by the door opening / closing motor, the lock of the hold door locking device also shifts to the unlocking direction. At a certain point of time, the door lock switch is actuated in the unlocking direction by the shift of the lock device. When this operation is detected, the door opening / closing motor that drives the car door is stopped, and then the locking means operates to lock the car door and the hold door in an integrally connected state. From this state, the motor is operated again to open the car door. At this time, if it is detected that the lock device of the hold door is released and the hold device is opened, it is determined that the lock device is defective, and conversely, if the hold device is not opened, the lock device is determined to be good. That is, it is necessary for safety that the lock of the lock device is not released yet when the door lock switch is operated in the unlocking direction.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to illustrated embodiments.

FIG. 1 is a front view of a lock inspection device for a hold door according to an embodiment of the present invention, and FIG. 2 is a line II-I shown in FIG.
It is sectional drawing which follows I. In each drawing, 1 is an elevator car door, 2 is a car door-side engaging member attached to or integrally formed with the car door 1, 4a is a door opening / closing link driven by a door opening / closing mechanism (not shown), and 4 is a door opening / closing A link 3 that rotates around a shaft 4b fixed to the car door 1 when the car link 4a operates is a car door side movable engagement member that is driven by the link 4, and the car door 1 in FIG. When it starts to open (the door is opened in the left direction in FIG. 1), the car door side movable engaging member 3 moves to the right direction, grasps the hold door side engaging member together with the car door side engaging member 2, and then the car door and the hold door. The doors are opened and closed by integrating the above to prevent chattering when the hold door is opened and closed. Reference numeral 5 is an opening formed in the car door engaging member 2. 6 is a support stand provided to horizontally project from the car door 1, and 7 is a support stand 6
Fixed to the solenoid, 8 is the plunger of the solenoid 7, 9 is the pressing body, and 10 is the vertical movement of the plunger 8
It is a pressing body drive link which changes into circular motion centering on 1. 1
2 is a hold door, 13 is a hold door side movable engaging member, 1
Reference numeral 4 is a holder side engaging member. The hold door side movable engaging member 13 and the hold door side engaging member 14 engage with the car door side engaging member 2 and the car door side movable engaging member 3, respectively, when the door is opened and closed.

Reference numeral 15 indicates a lock device. Reference numeral 16 is a shaft provided at a predetermined position of the hold door 12, and 17 is a lock lever which rotates around the shaft 16 supported by the shaft 16. The lock lever 17 is formed at about 90 degrees, and one end thereof is rotatably engaged with the hold door side movable engaging member 13.
A hook 18 is formed at the other end. Reference numeral 19 is a stopper fixed to the hole wall, and is engaged with the hook 18 when the hold door 12 is closed. Reference numeral 20 denotes a door lock switch which engages with the hook 18 so as to be able to come into contact with and separate from it, and is opened when the lock lever 17 rotates to lower the hook 18 to a certain point, and is closed when the hook 18 is raised above the certain point. The movement of the car is prohibited unless the door lock switch 20 is closed. Reference numeral 21 is a control device for controlling the operation of the car. In the embodiment, a lock check means is incorporated in the control device 21. The control device 21 is connected to, for example, a monitoring center that monitors this elevator via a telephone line.

FIG. 4 is a drive circuit diagram of a door opening / closing motor. In the figure, reference numeral 30 is a switch that is closed by a command to open the door. 30R, 31R, and 32R are switches 30, 3
Relays excited by closing 1, 32, 30R1, 3
0R2 is a contact point that is closed by exciting the relay 30R, 31
R1 and 31R2 are contacts that are closed by the excitation of the relay 31R, 32R1 and 32R2 are contacts that are closed and opened by the excitation of the relay 32R, and 33 is a door opening and closing motor that opens and closes the car door. Further, r is a large resistor, and P and N are power supplies.

FIG. 5 is a perspective view of a motor rotation detecting device used in this embodiment. In the figure, 33 is the door opening / closing motor shown in FIG. 4, 40 is a disk attached to the rotary shaft of the door opening / closing motor 33, 44 is a slit provided at the peripheral edge of the disk 40 at predetermined intervals, and 42 is A light source is provided on one side of the disc 40 so as to face each slit, and a reference numeral 43 is a light receiver provided on the other side of the disc 40 so as to face the light source 42.

Next, the operation of this embodiment will be described with reference to the flow chart shown in FIG. The door lock device is inspected with the elevator stopped and no passengers. The control device 21 constantly checks whether or not the inspection command is input (step S10 shown in FIG. 5). When the inspection command is not input, the control device 21 performs normal control of elevator operation (step S11). When an inspection command is output from a remote monitoring center or the like to inspect the door lock device, the control device 21 first raises the car to the top floor (step S12) and waits for its arrival (step S13). ). After the car arrives, the control device 21 closes the switches 30 and 31 (step S14). As a result, the contact 32R2 is opened and the contacts 32R1, 30R1, 30R2 are closed. In this case, since the resistor r is inserted, the door opening / closing motor 33 starts rotating at a minute speed. By this rotation, the car door side engaging member 2 moves in the car door opening direction and engages with the hold door side engaging member 13. When the rotation is further continued, the lock lever 17 starts rotating around the shaft 16, the hook 18 gradually descends, and when a certain point is reached, the door lock switch 20 is opened, and this is input to the control device 21. To be done. After the processing of step S14, the control device 21 waits for the input of the signal for opening the door lock switch (step S15), and when this is input, opens the switch 30 (step S16). This allows door opening / closing motor 3
3 will stop immediately. Next, the control device 21 excites the solenoid 7 (step S17), causes the plunger 8 to be attracted,
This pushes the pressing body 9 toward the hold door 12 via the link 10 and presses it against the hold door side engaging member 14 to integrate the car door 1 and the hold door 12.

In this state, the control device 21 closes the switch 30 to rotate the door opening / closing motor 33 (step S1).
8) Receive the pulse from the photodetector 43 (procedure S1)
9). The number of received pulses is captured by the control device 21 and transmitted to the monitoring center (step S20). If the number of pulses is greater than the predetermined number, the control device 21 determines that the hook 18 is disengaged from the stopper 19 and unlocked when the door lock switch 20 is opened, and the hold door is opened, and the door lock of that floor is opened. It is judged that the device is defective.
If the number of pulses is small, the size of the gap between the hook 18 and the stopper 19 is calculated based on the number of pulses, and the suitability is determined. The control device 21 stores this determination result and this data (step S21). When the operation state of the door lock device on this floor is confirmed, the switch 30 is opened and the switch 31 is closed to close the car door and the hold door (step S22). Wait until the doors are completely closed (step S23), and switch 31 when both doors are completely closed.
Is opened (step S24). It is determined whether or not the inspection of the door lock devices on all floors has been completed (step S25), and if not completed, the car is moved to the next floor (step S25).
26), the process is returned to step S13, and the door lock device on that floor is inspected again. Such inspections are repeated until all floors are completed. When the inspection of all floors is completed, the switch 32 is opened (step S27), and the pass / fail judgment result of the door lock device on all floors and the data of each dimension are transmitted to the monitoring center or the like via the control device 21 (step S28). , The process returns to step S10.

[0015]

As described above, according to the present invention, the lock device for the hold door is inspected by using the pressing plate provided on the engaging device of the elevator car, and the hook, the stopper and the lock switch of the door lock device are respectively inspected. Since it is possible to judge the quality of the positional relationship between the two, it is not necessary for an attendant to enter the elevator car or elevator hoistway and inspect the lock device of the hold door. Various tests can be performed.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a lock inspection device for a hold door according to the present invention.

FIG. 2 is a cross-sectional view taken along the line II-II shown in FIG.

FIG. 3 is a view on arrow along line III-III shown in FIG. 1.

FIG. 4 is a drive circuit diagram of a car door opening / closing motor according to the present invention.

FIG. 5 is a perspective view of a rotation detection device attached to a shaft of a car door opening / closing motor according to the present invention.

FIG. 6 is a flowchart showing an inspection procedure.

[Explanation of symbols]

 1 elevator car door 2 car door side engaging member 3 car door side movable engaging member 4 link 4a door opening / closing link 4b shaft 4c connecting shaft 5 opening 6 support base 7 solenoid 8 plunger 9 pressing body 10 pressing body drive link 11 Axis 12 Holder 13 Holder-side movable engaging member 20 Door lock switch 21 Control device 33 Door opening / closing motor 40 Disc 41 Slit 42 Light source 43 Photoreceptor

Claims (1)

Claims: 1. When a car door is opened by a door opening / closing motor attached to the car side of an elevator, the lock state is released along with the opening operation, and the car door is opened together with the car door. In a lock inspection device for an elevator hold door, a stopping means for stopping the door opening / closing motor in response to a door lock opening signal, and a locking means for locking the hold door and the car door after the door opening / closing motor stopping means is activated. A door opening / closing motor restarting means for restarting the driving of the door opening / closing motor after being locked by the locking means, and a detecting means for detecting the presence or absence of movement of the hold door after the motor restarting means is operated. A lock inspection device for elevator hold doors.