JPH11209040A - Elevator device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator device in a simple structure for detecting that a car is present in a door opening/closing possible area on a landing or not and for simplifying installation work and inspection work. SOLUTION: A landing door device 19 is provided in an elevator hoistway and engagement plates 13, 14 for a car door device engaged with the landing door device 19 are provided in a car and arranged at its lengthwise side in a vertical direction. A detection body 28 which is arranged in specified place in relation to the engagement plates 13, 14 when a car is opposed to a landing 16, is protruded from the landing 16 side to the car side. A position detecting device 29 to provide detecting action via the presence of the detection body 28 at the time when the car is present in a door opening/closing possible area in relation to the landing 16 is provided on the engagement plates 13, 14. In this way, the position detecting device 29 is only used to detect that the car stays in the door opening/closing possible area, and the positions of the engagement plates 13, 14 and the detection body 28 are adjusted to end installation and inspection work.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator apparatus provided with a door device for engaging a landing door with a car door and opening and closing the door together.

[0002]

2. Description of the Related Art FIGS.
578, JP-A-4-94392 and JP-A-5-155750 are views showing a conventional elevator apparatus, FIG. 7 is a perspective view of a main part of an elevator car,
8 is an enlarged plan view of the landing position detecting device of FIG. 7, FIG. 9 is a front view of a car door device of an elevator, and FIG. 10 is an enlarged front view of a main part of a landing door device facing the car door device of FIG. is there.

In the figure, 1 is an elevator car, 2
A car doorway 3 provided on the car 1 is a sliding door, a car door for opening and closing the car doorway 2, a car guide rail 4 standing on a hoistway (not shown) of an elevator, and an operating plate 5; It is attached to the tip of an arm provided on the guide rail 4 and its length is vertically arranged. 6 is basket 1
Is provided with a recess 7 made of a photoelectric device and through which the operation plate 5 passes, a light projector 8 is provided on one side of an edge of the recess 7 and a light receiver 9 on the other side. Is provided.

[0004] 10 is a car door device provided in the car 1,
A drive unit 12 for opening and closing the car door 3 by the link mechanism 11; a first engagement plate 13 provided on an upper edge of the car door 3 and protruding toward a landing described later; The second engagement plate 14 is a movable plate disposed parallel to the first engagement plate 13, and is connected to the fixed portion of the car 1 and the second engagement plate 14 to move the second engagement plate 14 forward and backward with respect to the first engagement plate 13. It is constituted by an operation mechanism 15.
16 is a landing provided in the hoistway, 17 is a landing entrance provided in the landing 16, and 18 is a landing entrance 1 comprising a sliding door.
It is a landing door that opens and closes 7.

Reference numeral 19 denotes a landing door device provided at the landing 16, a lock 22 provided at an end and having a contact point 20 and a blocking portion 21, an L-shaped bent portion having an upper edge of the landing door 18. An actuating body 24 having a hook 23 corresponding to the blocking part 21 formed at one end extending horizontally and pivotally attached to the portion, a first engaging plate 13 pivotally attached to an L-shaped bent portion of the operating body 24 and Double engagement plate 1
4 and a position corresponding to a position between the first engagement plate 13 and the second engagement plate 14 which is pivotally attached to the other end of the operating body 24 extending above the L-shape. Is constituted by a displacement roller 26 disposed at the position.

[0006] The conventional elevator apparatus is configured as described above, and when the car 1 moves up and down and arrives at the landing 16, the operating plate 5 is disposed in the concave portion 7 of the landing position detecting device 6. In this state, the stationary roller 25 and the displacement roller 26 are arranged between the first engagement plate 13 and the second engagement plate 14. That is, the car 1 is placed in the door openable area with respect to the landing 16, and the state is detected by the landing position detection device 6. Then, in a state where the car 1 is arranged in the door openable area, the car door device 10 is biased and the car door 3 is opened.

By the initial operation of opening the car door 3, the displacement roller 26 is pressed by the first engagement plate 13 from the state shown in FIG. 10 and is displaced clockwise in FIG.
The operation body 24 is rotated by the operation of the displacement roller 26, the hook 23 is disengaged from the blocking part 21 and unlocked, and the contact 20 is opened. Subsequently, when the car door 3 opens, the stationary roller 25 and the displacement roller 26 are nipped by the first engagement plate 13 and the second engagement plate 14 and move together with the car door 3. In this way, the landing door 18 opens together with the car door 3.

[0008]

In the conventional elevator apparatus as described above, the position of the operating plate 5 with respect to the concave portion 7 of the landing position detecting device 6 at the time of installation and inspection of the elevator is determined by the gaps C and C shown in FIG. The gap D is adjusted to a predetermined value. Further, the positions of the stationary roller 25 and the displacement roller 26 with respect to the first engagement plate 13 and the second engagement plate 14 are adjusted so that the gaps A and B shown in FIG.

As described above, it is necessary to adjust the mutual positions of the car 1 and the equipment provided in the hoistway and the car 1 and the equipment provided in the hall 16 at different mounting locations. . For this reason, there has been a problem that the installation and the inspection of the elevator require troublesome work.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to provide an elevator apparatus capable of detecting, with a simple configuration, whether or not a car can open and close a door with respect to a landing.

[0011]

In an elevator apparatus according to the present invention, a landing door device provided on a landing of a hoistway, and a car provided on a car which rises and lowers on the hoistway, and having a longitudinally arranged longitudinal direction. An engagement plate of a car door device that engages with the door device, a detecting body that is provided at a predetermined position with respect to the engagement plate when the car projects from the landing side to the car side and faces the landing, and an engagement plate. And a position detection device that operates through the location of the detection body and detects that the car is in a door openable area with respect to the landing.

Further, in the elevator apparatus according to the present invention, the detecting body is formed by an engaging body of the landing door device protruding from the landing side to the car side and arranged at a predetermined position with respect to the engaging plate.

In the elevator apparatus according to the present invention, the detection body is formed by a detection plate projecting from the landing door to the car and arranged at a predetermined position with respect to the engagement plate.

Further, in the elevator apparatus according to the present invention, there is provided a landing door apparatus provided at a landing of a hoistway, and a landing door apparatus provided on a car which rises and descends on the hoistway, and is disposed vertically in a vertical direction. An engaging plate of the mating car door device, a detecting body formed by an engaging body of the hall door device protruding from the hall side to the car side and arranged at a predetermined position with respect to the engaging plate, and a hall of the hall door device A detection plate projecting from the door to the car side and arranged at a predetermined position with respect to the engagement plate; and a detection plate provided on the engagement plate and operating through the location of the detection body, and the car is in a door openable / closable area with respect to the landing. And a second position detection device provided on the engagement plate and operated through the location of the detection plate to detect that the car is in a door openable / closable area with respect to the landing. .

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 3 show an example of an embodiment of the present invention. FIG. 1 is an equivalent front view of FIG. 10 and is an enlarged front view of a main part of a landing door device facing a car door device of an elevator. 2 is a cross-sectional view taken along line EE of FIG. 1, FIG. 3 is a cross-sectional view taken along line FF of FIG. 1, and other than FIGS. Have been.

In the figure, reference numeral 3 denotes a car door which is a sliding door which opens and closes the car doorway 2, and 13 denotes a first member which is provided at an upper edge of the car door 3 and which is provided to protrude toward a landing side to be described later. Plywood, 14 is a second engaging plate made of a movable plate arranged in parallel away from the first engaging plate 13, 16 is a landing provided on the hoistway, 17 is a landing entrance provided on the landing 16, and 18 is a sliding door The landing door that opens and closes the landing entrance 17.

Reference numeral 19 denotes a landing door device provided at the landing 16, a lock 22 provided at an end portion and having a contact 20 and a blocking portion 21, and an L-shaped bent portion having an upper edge of the landing door 18. An actuating body 24 having a hook 23 corresponding to the blocking part 21 formed at one end extending horizontally and pivotally attached to the portion, a first engaging plate 13 pivotally attached to an L-shaped bent portion of the operating body 24 and Double engagement plate 1
4 and a stationary engagement body 25 composed of stationary rollers disposed at positions corresponding to the first engagement plate 13 and a second engagement plate 14 which are pivotally attached to the other end of the operating body 24 extending above the L-shape. It is constituted by a displacement engagement body 26 composed of a displacement roller disposed at a position corresponding to the gap.

Reference numeral 27 denotes a stationary engagement body 25 and a displacement engagement body 26.
The light shielding plate 28 provided between them is a detection body including the stationary engagement body 25, the displacement engagement body 26, and the light shielding plate 27. 29
Is a position detecting device, which is composed of a photoelectric device, is provided at a longitudinal middle portion of the second engaging plate 14, is disposed on the side opposite to the first engaging plate 13, and emits light from a through hole 30 provided in the second engaging plate 14. A light receiver that is provided at a longitudinal middle portion between the light emitter 31 and the first engagement plate 13, is disposed on the side opposite to the second engagement plate 14, faces the light emitter 31, and receives light from a through hole 32 provided in the first engagement plate 13. 33.

In the elevator apparatus constructed as described above, when the car 1 is moving up and down in the hoistway where the landing 16 is not provided, the light of the projector 31 is received through the through holes 30 and 32. The light is received by the device 33. In this state, the position detecting device 29 is in the normal state. When the car 1 moves up and down to arrive at the landing 16 and the detector 28 is disposed between the first engagement plate 13 and the second engagement plate 14, the light from the light projector 31 is blocked by the detector 28.

As a result, the light does not reach the light receiving device 33, and the position detecting device 29 enters a detecting state. In this state, the detection body 28 is arranged between the first engagement plate 13 and the second engagement plate 14, so that the landing door 18 can be driven by the car door 3. That is, the position detector 29 detects that the car 1 is in the door openable / closable area with respect to the hall 16. Then, through this detection, the car door 3 and the landing door 18 are driven by the operations of the car door device 10 and the landing door device 19 as in the case of the elevator device in FIGS. 9 and 10 described above.

As described above, the stay of the car 1 in the openable / closable area is detected only by the position detecting device 29. For this reason,
By adjusting the positions of the stationary engagement body 25 and the displacement engagement body 26 with respect to the first engagement plate 13 and the second engagement plate 14 so that the gaps A and B shown in FIG. When the equipment is installed and the inspection work is completed.

Therefore, it is possible to simplify the equipment configuration for detecting the presence / absence of the openable / closable area of the car 1, thereby reducing the production cost, and simplifying the installation work and the inspection work, thereby reducing the cost. Can be. It should be noted that even if the position detecting device 29 is replaced with a detector that operates in a non-contact manner by an appropriate energy wave, the same operation as the embodiment in FIGS. 1 to 3 can be obtained.

Embodiment 2 FIG. FIGS. 4 and 5 show an example of another embodiment of the present invention. FIG.
FIG. 3 is an equivalent view, and is an enlarged front view of a main part of a landing door device facing a car door device of an elevator. FIG. 5 is a sectional view taken along line GG of FIG. 4, and the elevator car door device is configured similarly to FIGS. 1 to 3 except for FIGS. In the figure, the same reference numerals as those in FIGS.

Numeral 34 denotes a detection plate forming a detection body, which is provided to protrude from the landing door 18 to the car door 3 and is arranged vertically in a vertical direction, and between the first engagement plate 13 and the second engagement plate 14. Are arranged at the positions corresponding to. The optical axis of the position detecting device 29 is disposed in front of the protruding tips of the stationary engagement body 25 and the displacement engagement body 26 as shown in FIG. 5, and is set so as to face the detection plate 34 when necessary. .

In the elevator apparatus constructed as described above, when the car 1 is moving up and down at a position where the landing 16 of the hoistway is not provided, the light of the light emitter 31 is received by the light receiver 33 and the position detector 29 is in the normal state. Then, the car 1 moves up and down to arrive at the landing 16, and the detecting plate 34 is provided between the first engaging plate 13 and the second engaging plate 14.
Is disposed, the light of the projector 31 is blocked by the detection plate 34. As described above, the stay of the car 1 in the openable / closable area is detected only by the position detecting device 29.

Then, the first engagement plate 13 and the second engagement plate 1
By adjusting the positions of the stationary engagement body 25 and the displacement engagement body 26 with respect to the first engagement plate 13 and the second engagement plate 14 by adjusting the gaps A and B shown in FIG. The plate 34 is arranged at a predetermined position. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 3 can be obtained in the embodiment of FIGS.

In the embodiment shown in FIGS. 4 and 5, the length of the detection plate 34 is appropriately set, and the length of the first engagement plate 13 and the second engagement
4 is set to a length corresponding to the longitudinal dimension. Thus, the length of the door openable area of the car 1 can be appropriately set. For example, at the position immediately before the car 1 arrives at the landing 16, the door opening / closing drive of the car 1 is detected and the door opening drive is started, and when the car 1 arrives at the landing 16 and stops, the landing door 18 and It is possible to control the drive of the door so that the car door 3 is fully opened.

Embodiment 3 FIG. 6 also shows an example of another embodiment of the present invention, and is an enlarged front view of a main part of a landing door device facing the elevator car door device corresponding to FIG. 1 described above. Other than the above, the elevator car door device is configured in the same manner as in FIGS. 1 to 3 described above. In the figure, the same reference numerals as those in FIGS. 1 to 3, 4 and 5 denote corresponding parts.

Reference numeral 35 denotes a first position detecting device, which is constructed in the same manner as the position detecting device 29 in FIGS. 1 to 3 and includes a stationary engaging member 25, a displacement engaging member 26, and a light shielding plate 27.
8 are provided. Reference numeral 36 denotes a second position detecting device, which is configured in the same manner as the position detecting device 29 in FIGS. 4 and 5, and is provided corresponding to the detecting plate 34 protruding from the landing door 18 to the car door 3 side.

In the elevator device configured as described above, the door of the car 1 can be opened and closed when the first position detecting device 35 faces the detecting body 28 and the second position detecting device 36 faces the detecting plate 34. Area stay is detected. Then, the positions of the stationary engagement body 25 and the displacement engagement body 26 with respect to the first engagement plate 13 and the second engagement plate 14 are indicated by gaps A shown in FIG.
By adjusting the gap B to a predetermined value, the detection plate 34 is disposed at a predetermined position with respect to the first engagement plate 13 and the second engagement plate 14. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 3 can be obtained in the embodiment of FIG.

In the embodiment shown in FIG. 6, both the first position detecting device 35 and the second position detecting device 36 detect that the car 1 stays in the openable / closable area. For this reason,
If one of the two through-holes 30 or the like is closed due to one of the two failures or clogging by foreign matter, the car 1
Can be prevented beforehand from being erroneously detected when the door is openable.

[0032]

As described above, the present invention relates to a landing door device provided in a landing of a hoistway and a landing door device provided in a car which is lifted and lowered in a hoistway and arranged longitudinally vertically. An engaging plate of the car door device to be combined, a detecting member disposed at a predetermined position with respect to the engaging plate when the car projects from the hall side to the car side and faces the hall, and provided on the engaging plate. A position detection device that operates through the location of the detection body and detects that the car is in a door openable area with respect to the landing.

In this manner, the stay of the car in the openable / closable area is detected only by the position detecting device. In addition, by disposing the engagement plate and the detection body at predetermined positions, the work of installing and inspecting the equipment for detecting the presence / absence of the openable / closable area of the car is completed. Therefore, there is an effect that the equipment configuration for detecting the presence / absence of the openable / closable area of the car can be simplified and the production cost can be reduced. In addition, there is an effect that installation work and inspection work can be simplified and costs can be reduced.

Further, as described above, the present invention is characterized in that the detecting body is formed by the engaging body of the landing door device protruding from the landing side to the car side and arranged at a predetermined position with respect to the engaging plate. is there.

In this way, the stay of the car in the openable / closable area is detected only by the position detecting device. Further, by disposing the engagement plate and the engagement body of the landing door device at predetermined positions, the work of installing and inspecting the equipment for detecting the presence / absence of the openable / closable area of the car is completed. Therefore, there is an effect that the equipment configuration for detecting the presence / absence of the openable / closable area of the car can be simplified and the production cost can be reduced. In addition, there is an effect that installation work and inspection work can be simplified and costs can be reduced.

Further, as described above, in the present invention, the detection body is formed by the detection plate projecting from the landing door to the car side and arranged at a predetermined position with respect to the engagement plate.

In this manner, the stay of the car in the openable / closable area is detected only by the position detecting device. Also, by disposing the engagement plate and the detection plate at a predetermined position,
At the time of installation of the equipment for detecting the presence / absence of the openable / closable area of the car, the work of the inspection ends. Therefore, there is an effect that the equipment configuration for detecting the presence / absence of the openable / closable area of the car can be simplified and the production cost can be reduced. In addition, there is an effect that installation work and inspection work can be simplified and costs can be reduced. Further, the longitudinal dimension of the detection plate is appropriately set, and the longitudinal dimension of the engagement plate of the car door device is set to a length corresponding to the longitudinal dimension of the detection plate. This has the effect of facilitating the setting of the door openable area of a car of appropriate length.

Further, as described above, the present invention relates to a landing door device provided on a landing of a hoistway, and a landing door device provided on a car which moves up and down the hoistway and arranged longitudinally in a vertical direction. An engaging plate of the mating car door device, a detecting body formed by an engaging body of the hall door device protruding from the hall side to the car side and arranged at a predetermined position with respect to the engaging plate, and a hall of the hall door device A detection plate projecting from the door to the car side and arranged at a predetermined position with respect to the engagement plate; and a detection plate provided on the engagement plate and operating through the location of the detection body, and the car is in a door openable / closable area with respect to the landing. A first position detecting device for detecting that the car is in a door openable / closable area with respect to the landing, which is provided on the engaging plate and operates through the location of the detecting plate. Things.

In this way, the first position detecting device and the second position detecting device detect that the car stays in the openable / closable area. In addition, by disposing the engagement plate and the engagement body at predetermined positions, the work of installing and inspecting the equipment for detecting the presence / absence of the openable / closable area of the car is completed. Therefore, there is an effect that installation work and inspection work can be simplified and cost can be reduced. In addition, both the first position detecting device and the second position detecting device detect that the car stays in the openable / closable area. For this reason, there is an effect of preventing a problem caused by erroneous detection of a car staying in a door openable / closable area due to malfunction of one of the two.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first embodiment of the present invention, and is an enlarged front view of a main part of a landing door device facing a car door device of an elevator.

FIG. 2 is a sectional view taken along line EE of FIG. 1;

FIG. 3 is a sectional view taken along line FF of FIG. 1;

FIG. 4 is a diagram showing the second embodiment of the present invention and is an enlarged front view of a main part of a landing door device facing a car door device of an elevator.

FIG. 5 is a sectional view taken along line GG of FIG. 4;

FIG. 6 is a view showing a third embodiment of the present invention, and is an enlarged front view of a main part of a landing door device facing a car door device of an elevator.

FIG. 7 is a diagram showing a conventional elevator apparatus, and is a perspective view of a main part of an elevator car.

FIG. 8 is an enlarged plan view of the landing position detecting device of FIG. 7;

FIG. 9 is a front view of the elevator car door apparatus of FIG. 7;

FIG. 10 is an enlarged front view of a main part of a landing door device facing the car door device of FIG. 9;

[Explanation of symbols]

1 car, 10 car door device, 13 first engagement plate (engagement plate), 14 second engagement plate (engagement plate), 16 landing, 19
Landing door device, 25 stationary engagement body, 26 displacement engagement body,
28 detector, 29 position detector, 34 detector plate, 3
5 First position detecting device, 36 Second position detecting device.

Claims (4)

[Claims] 1. A car door apparatus provided at a landing in a hoistway, and a car door apparatus provided on a car that moves up and down the hoistway, the longitudinal direction of the car door apparatus being engaged with the landing door apparatus. A plywood, a detector protruding from the landing side to the car side, and a detection body disposed at a predetermined position with respect to the engagement plate when the car faces the landing, and provided on the engagement plate, An elevator apparatus comprising: a position detection device that operates through the location of a detection body and detects that the car is in a door openable / closable area with respect to the landing. 2. The elevator according to claim 1, wherein the detecting body is formed by an engaging body of the landing door device protruding from the landing side to the car side and arranged at a predetermined position with respect to the engaging plate. apparatus. 3. The elevator apparatus according to claim 1, wherein the detection body is formed by a detection plate projecting from the landing door to the car side and arranged at a predetermined position with respect to the engagement plate. 4. A car door apparatus provided at a landing of a hoistway, and a car door apparatus provided on a car which moves up and down the hoistway, the longitudinal direction of the car door apparatus being engaged with the landing door apparatus. A plywood, a detecting body formed by an engaging body of the landing door device protruded from the landing side to the car side and disposed at a predetermined position with respect to the engaging plate, and a landing door of the landing door device. A detection plate protruding toward the car and disposed at a predetermined position with respect to the engagement plate; and a detection plate provided on the engagement plate and operated through the location of the detection body, and the car opens and closes the door with respect to the landing. A first position detecting device for detecting that the car is in the possible area, and operating through the location of the detecting plate provided on the engagement plate to detect that the car is in the door openable area with respect to the landing. Elevator equipped with second position detecting device Place.