KR20060040320A - A car door locking confirmation system for elevator - Google Patents

Abstract

       The present invention relates to a door lock checking device of an elevator, and to provide a door lock checking device of an elevator to detect the elevator door is locked by the door locking device to block the opening of the platform door, clutch base The moving cam 60 is movably coupled to the 50, and the rotary cam 70 is configured to apply an external force to the moving cam, and an actuating roller rotatably at the upper end of the moving cam 60. 80 is coupled, the lifting bracket 90 is formed with a locking hole 92 is fastened to the lower side of the actuating roller 80, is configured on the support bracket 100 installed on the lifting platform moving cam Wedge member 130 is fitted to the engaging hole of the rising bracket which is interlocked with the rising, while the actuating roller 80 is in contact with the support bracket 100, the pressing member 110, and rises, The pressing member In the structure having the elastic member 120 at the bottom of the 110, the wedge member 130 is composed of a plate-shaped member formed with a wedge 132 at the front end is hinged rotatably on the support bracket 100 It is coupled, the rotation control member 150 is formed on the support bracket so that the rotation of the wedge member is limited within a certain range, the lifting bracket 190 is raised and engaged with the wedge member while the lift door is locked If it is to detect this and apply the detection signal to the control unit is configured to detect the 170 is installed to block the opening of the platform door by the door drive device.

Description

Elevator Door Lock Check Device {A CAR DOOR LOCKING CONFIRMATION SYSTEM FOR ELEVATOR}

1 is a schematic first sectional view showing a door lock checking device of an elevator according to an embodiment of the present invention;

2 is an enlarged exploded perspective view of portion A of FIG.

3 is an enlarged view of a portion A of FIG. 1;

Figure 4 is a first schematic cross-sectional view showing a door lock confirmation device of the elevator according to an embodiment of the present invention,

5 is an enlarged view of a portion B of FIG. 4;

Figure 6 is a schematic block diagram for explaining the operation of the door lock confirmation device of the elevator according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

50: clutch base, 60: moving cam,

70: rotating cam, 80: actuating roller,

90: ascending bracket, 100: support bracket,

110: pressure member, 120: elastic member,

130: wedge member, 140: support plate,

150: rotation control member, 160: switch support member,

170: detection part, 180: control part.

The present invention relates to an elevator door lock checking device, and more particularly, to prevent the platform doors from being opened artificially in the platform when the platform floor and the platform floor are outside the allowable range while the platform is in the running or stopped state. It relates to an elevator door lock checking device to prevent the platform door from being opened by any cause such as a malfunction in the locked state.

In general, the elevator is equipped with a platform door on the platform and a hatch door on the platform side for the safety of occupants or cargoes, so that the opening or closing operation is always performed at the same time.

And when explaining the opening and closing structure of the platform door and the hatch door, the platform of the elevator stops at every platform on the floor while the elevator is running, and when the platform is stopped at the platform during normal operation, the platform and the floor of the platform are on the same horizontal plane. When this happens, the door driving device is driven, and the driving force of the door driving device is fixed to the top of the door of the platform by a power transmission means consisting of driven pulleys, belts, etc., and thus the door of the platform is opened. A door clutch is provided on the platform door panel that allows the hatch door on the platform side to open automatically at the same time.

And the platform door and the hatch door that is opened and closed as described above is to protect the passengers by preventing the occupants on the platform artificially open the platform door to escape when the vertical distance between the floor of the platform and the floor of the platform side exceeds a certain range. A door lock is provided.

The door lock device of the elevator releases the locking means of the hatch door, which is restrained by the hatch door roller (release roller) installed on the base only when the level between the platform floor and the platform floor is within the reference value, so that the hatch door opens. Since the door is opened at the same time as the operation, that is, the hatch door is opened only within the opening and closing range of the clutch and when the door is out of the opening and closing range, the door is generally applied.

And, in addition to the door lock device described above, there is a door lock device using an electromagnet for installing a cam on each platform side stop layer and the electromagnet attached to the platform meets the cam and releases and locks as the shift occurs. Install a long bracket on the door, and install the bracket on the platform side to lock the platform door, and open the platform door in the position where the platform door should be locked.The bracket on the platform side and the platform side will interfere with each other. Door locking device using a bracket for locking the door.

However, the door lock device as described above is a function that prevents the occupant on the platform artificially open the platform door to escape if the vertical distance between the floor of the platform and the floor of the platform side more than a certain range, such as above, Because the locking device cannot check the locked state of the platform door, the door drive device may try to keep the door electrically open or close the door repeatedly due to a malfunction or the like, causing damage to various parts. In addition, there is a problem that acts as an impediment to the safety of the passengers, such as giving anxiety to the passengers boarding the platform.

The present invention is to solve the above problems, it is to provide a door lock confirmation device of the elevator to block the opening of the platform door by detecting this when the platform door is locked by the door lock device.

In order to achieve the above object, the present invention is a moving cam with a moving cam bearing protruding from the clutch base installed in the panel of the platform door is coupled to the front and back and the movable movement, one side of the clutch base on the upper outer peripheral surface The rotary cam is configured to apply an external force to the cam bearing, and the platform is positioned between the clutch base and the moving cam in a state in which the platform is positioned on the platform side so that the hatch door is opened in conjunction with the opening of the platform door. A hatch door roller is installed on the hatch door, and the actuating roller is rotatably coupled to the upper end of the moving cam, and the engaging hole is formed on the moving cam spaced apart by a predetermined distance below the actuating roller. The bracket is fastened, and a support bracket is installed on the platform, and the support bar The wedge member is provided on the bracket so as to be inserted into the locking hole of the ascending bracket which is interlocked with the moving cam and is fixed. The wedge member is installed on the support bracket and the moving cam is raised by the pressing force of the rotating cam. Is pressurized to apply a pressing force as the contact rises, and an upper end is coupled to the bottom of the pressing member, and a lower end is installed on the support bracket, and is contracted by the pressing force of the actuating roller and is expanded when the pressing force is released. In the door lock device of an elevator comprising a member, the wedge member is composed of a plate-shaped member formed with a wedge at the front end is rotatably hinged on the support bracket, the rotation of the wedge member is limited within a certain range Rotating control member is formed on the support bracket so that the rising bracket is raised It applied to the control member and the wedge engagement as the platform door when it is detected that the locked state detection signal to the control unit is characterized in that sensing portion configured to be installed so that the platform door opening is blocked by the door drive device.

Preferably, the wedge member is hinged on a support plate that is formed with a recess groove in the rear portion and the center portion is coupled to the support bracket, the rotation control member corresponds to the upper side of the wedge to limit the time rotation of the wedge member The first fixing pin is formed protruding on the support plate is characterized in that consisting of a second fixing pin protruding on the rear upper side of the support plate facing the locking groove so that the counterclockwise rotation of the wedge member is limited.

In addition, the sensing unit is composed of a limit switch configured to contact with the rear portion when the wedge member is rotated counterclockwise.

According to the door lock confirmation device of the elevator according to the present invention as described above, the vertical distance between the bottom of the platform and the floor of the landing side is out of a predetermined range by detecting the state of the platform door locked by the door locking device malfunction, etc. By any cause of the door drive will block the operation.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

1 is a schematic first sectional view showing an elevator door lock confirming device according to an embodiment of the present invention, FIG. 2 is an enlarged exploded perspective view of portion A of FIG. 1, and FIG. 3 is an enlarged portion A of FIG. 1. Figure 4 is a first schematic cross-sectional view showing an elevator door lock check device according to an embodiment of the present invention, Figure 5 is an enlarged view of the portion B of Figure 4, Figure 6 according to an embodiment of the present invention It is a schematic block diagram for explaining the operation of the elevator door lock confirmation device.

In the accompanying drawings, the door lock confirmation device of the elevator according to an embodiment of the present invention based on the example applied to the structure of the clutch and the door lock device configured as shown in Figure 1, the clutch base installed on the panel of the platform door The moving cam 60 in which the moving cam bearing 62 protrudes from the 50 is coupled to the front and back, and is movable. The moving cam bearing 62 is inserted on the upper circumferential surface on one side of the clutch base 50. The rotating cam 70 in which the locking jaw 72 is recessed is rotatably coupled by a plurality of operating levers 74 so that the lifting base is moved with the clutch base 50 in a state where the platform is positioned on the platform side. A hatch door roller 54 (referred to as a release roller) is disposed on the hatch door so that the hatch door is opened so as to interlock with the opening of the platform door and positioned at a corresponding position between the cams 60.

Then, the actuating roller 80 is rotatably coupled to the upper end of the moving cam 60, the locking hole on the moving cam 60 spaced apart by a predetermined distance below the actuating roller 80 The lifting bracket 90 having the 92 formed therein is fastened, and the support bracket 100 is installed on the lifting platform, while the support bracket 100 is formed on the support bracket 100 to be lifted in conjunction with the moving cam 60. The wedge member 130 is provided to be inserted into the locking hole 92 of the lifting bracket 90 and is fixed to the support bracket 100 and the moving cam 60 is raised by the pressing force of the rotary cam. The pressurizing member 110 for applying the pressing force while the actuating roller 80 is applied and the upper end is coupled to the bottom of the pressurizing member 110 and the lower end is installed on the support bracket 100 so that the actuator Shrink by the pressing force of the putting roller 80 and expand when the pressing force is released Is the elastic member 120 is configured.

In the structure made as described above, the wedge member 130 is composed of a plate-shaped member formed with a wedge 132 at the front end is rotatably coupled to the hinge 134 on the support bracket 100, the locking groove on the rear A hinge 134 is coupled to the support plate 140 at which the recess 136 is recessed and a central portion thereof is coupled to the support bracket 100.

In addition, the rotation control member 150 is formed on the support bracket 100 so that the rotation of the wedge member 130 is limited within a certain range, the switch support member 160 at the rear end of the support bracket 100 ) Is extended and the sensing member 170 is installed on the switch supporting member 160 to detect the wedge member 130 when the wedge member 130 is rotated and approached. The sensing unit is lifted up to engage the wedge member. When the platform door is locked, the controller detects this and applies the detection signal to the controller to perform a control operation (blocking the door opening command circuit) to block the door of the platform door by the door driving device.

The rotation adjusting member 150 protrudes from the first fixing pin 152 and the wedge member 130 formed on the support plate 140 corresponding to the upper side of the wedge 132 so that the rotation in the time direction of the wedge member 130 is limited. The second fixing pin 154 is formed to protrude on the rear side of the support plate 140 facing the locking groove 136 to limit the counterclockwise rotation of the), the sensing unit 170 is a wedge member ( When the 130 is rotated counterclockwise, the contact rod 172 is configured as a limit switch configured to be contacted while the elastic member 120 is configured as a compression coil spring.

As shown in FIG. 2, the actuating roller 80 includes a circular ring having a bearing interposed therebetween so as to be freely rotatable in a state in which the actuating roller 60 is arranged on the moving cam 60. It is formed to be bent in a substantially "b" shape, the support bracket 100 is a shaped steel having a substantially "c" shape as the pressing member 110 is installed on its upper surface and the lower portion of the upper portion of the platform 40 The elastic member seating portion 104 protrudes and is formed at the center thereof, and the above-described support plate 140 is coupled to the front end portion of the elastic member seating portion 104, and the first fixing pin 152 is supported on the support plate 140. ) And the second fixing pin 14 is configured.

The pressing member 110 has a rotating piece 112, the rear end is rotatably coupled to the rear inner surface of the support bracket 100 and the upper end of the elastic member 120 is seated and fixed on the bottom end surface, and a predetermined width and A plate-shaped member having a length is bent into a substantially "a" shape to be seated on one side of the upper surface of the first seating plate 114 and the first seating plate 114 to which the upper and center portions of the pivoting piece 112 are fastened. The plate-shaped member having a width smaller than that of the first seating plate is bent to have a substantially "c" shape, and is configured as a second seating plate 116 to which the actuating roller 80 which is moved upward on the upper surface thereof is moved in contact. do.

And, on the clutch base 50, as shown in Figure 1, the adjustment kit is configured to be rotatable to adjust the lifting height of the moving cam 60, etc. in the absence of the hatch door roller during the installation process or maintenance process of the platform 64 is installed.

The operation according to the embodiment of the present invention as described above is as follows.

1, 3, and 6 as described above, the platform door and the hatch door are normally opened in the state where the platform floor and the platform floor are in a fixed position, and the platform door is opened by the door driving device 190. When opened, the moving cam 60 is moved horizontally to the left side by the operation of the rotary cam 70 and the actuating roller 80 coupled to the upper portion of the moving cam 60 is fixed to the upper surface of the platform. It is raised while meeting the rising surface of the member 110. At this time, since the platform door and the hatch door are in the normal position, the hatch door roller 54 on the hatch door side is located between the moving cam 60 and the clutch base 50. And thus the moving cam 60 is moved to the diameter of the hatch door roller, that is, the moving cam 60 is raised only to a height in close contact with the hatch door roller and at the same time coupled to the upper portion of the moving cam. Actuating roller 80 is to apply a pressing force to the pressing member 110, whereby the compression spring is contracted along. However, since the hatch door roller 54 is positioned between the moving cam 60 and the clutch base 50, the rising height of the moving cam is limited and thus the rising height of the rising bracket 90 is also applied to the wedge member 130. The platform door is not restrained and is opened without being restrained.

And, when explaining the process of the platform door is locked state when the distance between the bottom of the platform and the platform floor is more than a predetermined distance (usually 100mm), the hatch door roller (between the clutch base 50 and the moving cam 60) Since the 54 is not positioned, the moving cam is raised until it hits the limiting shaft 52 shown in FIG. And ascends higher than when the hatch door roller 54 is present, thereby raising the height of the rising bracket 90. Since the wedge member 130 is caught by the engaging holes 92 of the lifting bracket 90 is caught, that is, the platform door including the moving cam 60 in the support bracket 100 installed on the upper platform is fixed to the platform Will not be.

Referring to the operation of the wedge member 130 in more detail with reference to Figures 5 and 6 in the normal state the wedge 132 side of the front end is fixed to the first fixing pin 152 in a state in which the rotation of the wedge member is limited As described above, the wedge 132 is inserted into the engaging hole 92 of the lifting bracket 90 which is raised in the process of locking the platform door as described above, and the hinge 134 is opened by the opening force of the platform door. As it rotates counterclockwise, the platform door is locked, wherein the rear end of the platform door contacts the contact rod 172 of the sensor unit 170 and thus the sensor unit 170 is shown in FIG. The lock signal is generated and applied to the controller 180.

In addition, the control unit blocks the opening signal of the platform door input to the door driving device 190, that is, the distance between the bottom of the platform and the floor of the platform is more than a predetermined distance off the platform door by the door locking device 200 In the locked state, the door driving device 190 is not operated by any cause such as a malfunction.

According to the door lock confirmation device of the elevator according to the present invention as described above, the vertical distance between the floor of the platform and the floor of the landing side is more than a certain range to detect the state of the platform door locked by the door locking device, such as a malfunction It is a very useful invention that prevents damage to various components by blocking the operation of the door drive device by any cause, to solve the anxiety felt by the passengers on the platform, and to improve the safety of the passengers.

Claims (3)

A moving cam with a moving cam bearing protruding from the clutch base installed on the panel of the platform door is coupled to move forward and backward, and movable. And a hatch door roller installed on the hatch door so that the hatch door is opened so that the hatch door is opened in a position corresponding to the clutch base and the moving cam while the platform is positioned on the platform side. Actuating rollers are rotatably coupled to an upper end of the moving cam, and an ascending bracket having a locking hole formed on a moving cam spaced apart by a predetermined distance from the lower side of the actuating roller is fastened, and is installed on an elevated platform. While the support bracket is configured, the support bracket is configured to rise in conjunction with the moving cam. The wedge member is provided to be fixed to the engaging hole of the lifting bracket, is installed on the support bracket and when the moving cam is raised by the pressing force of the rotary cam is the pressing member for applying the pressing force as the actuating roller is raised. And an elastic member having an upper end coupled to a bottom of the pressing member and a lower end installed on the support bracket, the elastic member being contracted by the pressing force of the actuating roller and expanding when the pressing force is released. To The wedge member is composed of a plate-shaped member formed with a wedge at the front end is hinged rotatably on the support bracket, the rotation control member is formed on the support bracket so that the rotation of the wedge member is limited within a certain range and When the lifting bracket is lifted up and locked with the wedge member to detect the platform door is locked, the detection unit is configured to apply the detection signal to the control unit so as to block the platform door opening by the door driving device. Elevator door lock checker. The method of claim 1, The wedge member is hinged on a support plate that is formed with a recess groove in the rear portion and the center portion is coupled to the support bracket, the rotation control member is on the support plate corresponding to the upper side of the wedge so that the time rotation of the wedge member is limited Elevator locking device of claim 1, characterized in that the first fixing pin is formed protruding to the second locking pin protruding on the rear side of the support plate facing the locking groove so that the counterclockwise rotation of the wedge member is limited. The method according to claim 1 or 2, The sensing unit door lock confirmation device of the elevator, characterized in that the contact switch is configured to contact the rear portion when the wedge member is rotated counterclockwise.

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