JP4252158B2 - Elevator equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an elevator apparatus in which a car moving up and down on a hoistway is landed on a landing and the landing and the entrance of the car are opened and closed.
[0002]
[Prior art]
9 and 10 are views showing a conventional elevator apparatus disclosed in, for example, Japanese Patent Laid-Open No. 8-127485, FIG. 9 is a front view of an elevator car, and FIG. 10 is an enlarged view of a main part of FIG. It is a longitudinal cross-sectional view shown. In the figure, 1 is an elevator car, 2 is an entrance / exit provided in the car 1, and 3 is a car door that opens and closes the entrance / exit 2, and is constituted by a sliding door. A drive unit 4 is provided in the car 1 and drives the car door 3 and is connected to the car door 3 through a link mechanism.
[0003]
Reference numeral 5 denotes a door rail provided at the upper edge of the doorway 2 and engaged with a hanger of the car door 3, and a portion corresponding to the width of the doorway 2 is formed lower than a portion corresponding to the door pocket. Reference numeral 6 denotes a sill of a car constituting the lower edge of the entrance 2, and a groove is provided in which a leg of the car door 3 is slidably fitted.
[0004]
Reference numeral 7 denotes a sound insulating plate mounted on the upper end surface of the car door 3, and is provided extending above the upper edge member 8 of the entrance 2. Reference numeral 9 denotes a sound insulating material mounted on the upper surface of the upper edge member 8, which is made of an elastic material such as a sponge material made of urethane rubber, and is disposed to face the protruding edge portion of the sound insulating plate 7. A sound insulating material 10 is attached to the lower end surface of the car door 3, and is made of an elastic material such as a sponge material made of urethane rubber.
[0005]
The conventional elevator apparatus is configured as described above, and the doorway 2 is closed by the car door 3 while the car 1 is raised and lowered. In this state, the car door 3 is disposed at the position corresponding to the width of the doorway 2 of the door rail 5, and is disposed at the lowered position as shown in FIGS. 9 and 10, and the sound insulation plate 7 is disposed on the sound insulation material 9, The sound insulating material 10 mounted on the lower end surface of the car door 3 is in close contact with the car sill 6.
[0006]
In this way, noise such as wind noise caused by raising and lowering the car 1 from the upper and lower edges of the entrance 2 is prevented from entering the car 1 that is being raised and lowered. In addition, although illustration is abbreviate | omitted, when the cage | basket | car 1 reaches the landing provided in the hoistway, the drive device 4 will be urged | biased and the door 3 of a cage | basket will be opened. As a result, as the car door 3 moves to the door bag corresponding portion of the door rail 5, the sound insulation plate 7 and the lower end surface of the car door 3 rise after sliding on the opposing sound insulation material surfaces. Thus, a gap is formed between the sound insulating material.
[0007]
FIG. 11 is a view showing another conventional elevator apparatus disclosed in, for example, Japanese Patent Application Laid-Open No. 54-104147, and is a longitudinal side view of the lower edge portion of the entrance / exit of the car. In the figure, the same reference numerals as those shown in FIGS. 9 and 10 denote the corresponding parts, 11 is a landing provided on the hoistway 12 where the car 1 is landed, and 13 is a landing constituting the lower edge of the entrance / exit of the landing 11. 14 is an auxiliary sill, which is disposed on the opposite side of the cage sill 6 with the platform sill 13 and is attached to the cage sill 6 via a link mechanism 16 connected to the actuating rod 15 of the drive unit 4. Has been.
[0008]
Another conventional elevator apparatus is configured as described above, and the doorway 2 is closed by the car door 3 while the car 1 is raised and lowered. In this state, the actuating rod 15 of the driving device 4 is lowered, and the auxiliary sill 14 is lowered from the front end of the car sill 6 by the link mechanism 16 and is disposed at the retreated position. When the car 1 is landed on the landing 11 and the car door 3 is opened, the actuating bar 15 is raised in conjunction with the door opening operation.
[0009]
The auxiliary sill 14 is raised by the link mechanism 16 and moved forward to the front end position of the car sill 6 so that the upper surface is arranged at a position corresponding to the upper surface of the car sill 6. As a result, the gap between the two sides of the cage sill 6 and the sill 13 of the hall is reduced, so that the wheelchair casters and the like do not fall into the gap between the two sides and can move easily between the two sides. It has become.
[0010]
[Problems to be solved by the invention]
In the conventional elevator apparatus of FIGS. 9 and 10 as described above, the portion corresponding to the width of the doorway 2 of the door rail 5 is formed lower than the portion corresponding to the door pocket. For this reason, when the door 3 of the car is opened, the lower end surface of the car door 3 is displaced upward after sliding on the surface of the sound insulating material 10. Therefore, there is a problem that a braking force is applied in the initial stage when the car door 3 is opened, and the smoothness of the opening / closing operation is impaired by the upward displacement of the car door 3 when the car door 3 is opened.
[0011]
Further, in the other conventional elevator apparatus of FIG. 11, the auxiliary sill 14 operates in conjunction with the operation of the drive device 4, so that a complicated mechanism having the link mechanism 16 as a main part is required. Further, since the auxiliary sill 14 operates in conjunction with the opening / closing operation of the car door 3, maintenance work on the mechanism local parts such as the drive device 4 alone or the link mechanism 16 alone is restricted. In addition, a load fluctuation occurs in the driving device 4 due to the operation load of the auxiliary sill 14 to affect the opening / closing operation of the car door 3, and the reaction is caused by the reversing operation of the car door 3 when the door is closed. There was also a problem that shock and noise were generated.
[0012]
Note that, in a high-speed elevator installed in a super high-rise building, the building may be swayed while the car 1 is being lifted due to the influence of strong winds or the like, and the swaying car 1 may be swayed. In order to prevent contact between the car 1 and the landing 11 due to such shaking, there is a tendency to design a wide gap between the car threshold 6 and the landing threshold 13.
[0013]
This invention was made to eliminate such problems, and without affecting the opening / closing operation of the door of the doorway, preventing wind noise intrusion from the lower edge of the car door when raising and lowering the car, Moreover, it aims at obtaining the elevator apparatus which can reduce the clearance gap with the threshold of the platform of a cage | basket | car when needed.
[0014]
[Means for Solving the Problems]
In the elevator apparatus according to the present invention, the car that moves up and down the hoistway, the car door that opens and closes the entrance of the car, the drive mechanism provided in the car, and the drive mechanism that drives and moves up and displaces the door closed. A platform provided in the car sill and hoistway, which is in close contact with both the car door and the car sill that forms the lower edge of the doorway, covers the gap between the two, is driven by the drive mechanism and descends And an actuating device having an actuating body whose upper surface is arranged at a position corresponding to the upper surface of the sill of the car.
[0015]
Moreover, in the elevator apparatus according to the present invention, an operating body is provided in which the lower part extends downward and the toe guard is integrally configured.
[0016]
Further, in the elevator apparatus according to the present invention, there is provided detection means that operates when the operating body is disposed at a position retracted toward the car side.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
1 to 8 are views showing an example of an embodiment of the present invention. FIG. 1 is a front view of a main part on the lower side of an elevator car, FIG. 2 is a plan view corresponding to FIG. 1, and FIG. FIG. 4 is an enlarged view of a portion A in FIG. 2, FIG. 5 is a view corresponding to FIG. 2 showing a displacement state of the working body in FIG. 2, and FIG. 6 is a view corresponding to FIG. 7 is a view corresponding to FIG. 6 showing another displacement state of the operating body in FIG. 2, and FIG. 8 is a flowchart for explaining the displacement operation of the operating body in FIG.
[0018]
In the figure, 1 is an elevator car, 2 is an entrance / exit provided in the car 1, and 3 is a car door that opens and closes the entrance / exit 2, and is constituted by a sliding door. Reference numeral 6 denotes a sill of a car constituting the lower edge of the entrance 2, and a groove is provided in which a leg of the car door 3 is slidably fitted. 11 is a landing provided on the hoistway 12 where the car 1 is landed, and 13 is a threshold of the landing that constitutes the lower edge of the entrance of the landing 11.
[0019]
Reference numeral 17 denotes a landing door which is made of a sliding door and opens and closes the entrance 18 of the landing 11, and its legs are slidably fitted in the grooves of the threshold 13 of the landing.
Reference numeral 19 denotes an operating device provided on the lower side of the entrance / exit 2 of the car 1 and is constituted by a drive mechanism 20 and an operating body 21 which will be described later.
[0020]
That is, the drive mechanism 20 is provided below the doorway 2 on the front surface of the car 1 and is mounted on the mounting bracket 22 and spaced apart from each other in the width direction of the doorway 2, and is supported by the mounting bracket 22 so that the longitudinal direction is the width direction of the doorway 2 A drive motor 24 provided on the mounting bracket 22, a gear reduction mechanism 25 in which the input gear is fixed to the output shaft of the drive motor 24 and the output gear is fixed to the operation shaft 23, and one end is operated. The upper rotating arm 26 fixed to the shaft 23 and one end are pivotally attached to the mounting bracket 22 and arranged below the upper rotating arm 26. The upper rotating arm 26 and an operating body to be described later constitute the parallel crank mechanism. It is comprised by the lower rotation arm 27 which forms the principal part.
[0021]
The actuating body 21 is provided on the front surface of the car 1 and is arranged corresponding to the width of the entrance 2, and the rotating ends of the upper rotating arm 26 and the lower rotating arm 27 are pivotally attached to the rear surface and extended downward. A toe guard 28 is formed by the lower portion, and the upper edge portion is refracted toward the car door 3 side to constitute the upper surface 29, and the opposite edge portion of the upper surface 29 facing the car door 3 is refracted downward to face. A first sound insulation made of an elastic material such as an operation plate 31 formed with a surface 30 and a sponge material made of urethane rubber and mounted on the back surface of the operation plate 31 so as to face the front end surface of the car sill 6. The material 32 and the second sound insulation material 33 are made of the same material as the first sound insulation material 32 and are mounted on the opposite surface 30 and disposed opposite the front surface of the car door 3 and a sound insulation plate described later.
[0022]
Reference numeral 34 denotes a detection means, which includes a detection switch 35 provided on the mounting bracket 22 and an upper protrusion 36 and a lower portion provided on the lower rotation arm 27 and pressing the operating portion of the detection switch 35 by the lower rotation arm 27 in an upward posture. It is comprised by the lower protrusion 37 which presses the action | operation part of the detection switch 35 with the lower rotation arm 27 provided in the rotation arm 27 in the downward attitude | position.
[0023]
39 is a projecting plate projecting from the edge of the door 3 of the car door 3 to the front end side of the car sill 6, 41 is an engagement plate of a driving device (not shown) for driving the car door 3, It protrudes from the door 3 to the door 17 side of the hall. An engagement mechanism 42 is provided on the landing door 17 and engages with the engagement plate 41.
[0024]
In the elevator apparatus configured as described above, when the car 1 is landed on the landing 11, as shown in FIG. 6, the upper rotating arm 26 and the lower rotating arm 27 constituting the drive mechanism 20 of the operating device 19. Are arranged in a horizontal position. And the upper surface 29 of the action | operation board 31 which comprises the action | operation body 21 of the action | operation apparatus 19 is arrange | positioned between the sill 6 of a cage | basket | car, and the sill 13 of a landing, ie, the space | interval B shown in FIG. Is disposed at a position corresponding to the upper surface of. In this state, as shown in FIG. 6, a gap C is formed between the car threshold 6 and the upper surface 29, and a distance D is formed between the upper surface 29 and the landing threshold 13.
[0025]
And operation | movement of the elevator apparatus equipped with the above-mentioned cage | basket | car door 3 and the actuator 19 is demonstrated with the flowchart shown in FIG. That is, when a passenger gets into the car 1, an elevator command for the car 1 is issued in step 101. Next, the routine proceeds to step 102, where a door closing command is issued, and the car door 3 is driven to close by a driving device (not shown), and the landing mechanism is engaged via the engaging mechanism 42 engaged with the engaging plate 41. The door 17 closes together with the car door 3.
[0026]
Next, if the car door 3 is not fully closed in step 103, the process returns to step 103. If the car door 3 is fully closed, the process proceeds to step 104 where the operating device 19 is operated, the drive motor 24 is energized, and the gear reduction mechanism 25 is moved. Accordingly, the operating shaft 23 rotates. As a result, the upper rotating arm 26 rotates upward from the horizontal posture shown in FIG. 6, and the operating plate 31 of the operating body 21 is displaced upward by the function of the parallel crank mechanism formed by the lower rotating arm 27. The state shown in FIG.
[0027]
In this state, the second sound insulating material 33 is in close contact with the front surface of the car door 3 and the protruding plate 39, and the first sound insulating material 32 is in close contact with the front end surface of the car sill 6. Thus, the gap between the lower end of the car door 3 and the car sill 6 is closed by the operating body 21. Next, the routine proceeds to step 105, where the detection switch 35 is pressed by the upper protrusion 36 by the lower rotating arm 27 displaced in the upward posture to operate, the drive motor 24 is de-energized, and the operation by the detection means 34 is performed. If the rising of the body 21 is detected, the process proceeds to step 106.
[0028]
Further, if the detection switch 35 is not pressed by the upper protrusion 36 and the rising of the operating body 21 is not detected by the detection means 34, the process returns to step 104. Then, in step 106, the car 1 moves up and down. When the car 1 to be lifted / lowered approaches the landing 11 designated by the lift / lowering command, the process proceeds to step 107 and a landing command is issued.
[0029]
Next, the process proceeds to step 108, and if the car 1 enters the landing zone in the landing 11 where the floor is to be landed, the process proceeds to step 109, and if the car 1 is not in the landing zone, the process returns to step 108. In step 109, the operating device 19 operates, the drive motor 24 is energized, and the operating shaft 23 rotates through the gear reduction mechanism 25.
[0030]
Thus, the upper rotating arm 26 rotates downward from the upward posture shown in FIG. 3, and the function of the parallel crank mechanism formed by the lower rotating arm 27 causes the operating plate 31 of the operating body 21 to be a car door. It is displaced in a direction away from 3. Then, the process proceeds to step 110 where the second sound insulating material 33 is separated from the car door 3 and the first sound insulating material 32 is separated from the car threshold 6.
[0031]
As a result, the pressing of the detection switch 35 by the upper protrusion 36 is released by the rotation of the lower rotation arm 27, and the start of the lowering of the operating body 21 by the detection means 34 is detected, and the routine proceeds to step 111. If the operating plate 31 is not separated from the car door 3 and the detection switch 35 is kept pressed by the upper protrusion 36, the start of the lowering of the operating body 21 by the detecting means 34 is not detected, and the routine returns to step 109.
[0032]
In step 111, a door opening command is issued, the car door 3 is driven to open by a driving device (not shown), and the landing door 17 is moved via the engaging mechanism 42 engaged with the engaging plate 41. Open with the door 3 of the car. As a result, the passenger descends from the car 1 to the landing 11.
[0033]
Further, during a maintenance operation other than the normal operation of the elevator apparatus described above, a maintenance operation switch (not shown) is operated while the car 1 is landing on the landing 11. As a result, the operating device 19 operates, the drive motor 24 is energized, and the operating shaft 23 rotates through the gear reduction mechanism 25.
[0034]
Thereby, the upper rotating arm 26 rotates downward from the horizontal posture shown in FIG. 6, and the upper surface 29 of the operating plate 31 of the operating body 21 is moved by the function of the parallel crank mechanism formed by the lower rotating arm 27. 7 is lowered below the threshold 6 and the state shown in FIG. 7 is obtained. Then, the detection switch 35 is pressed by the lower protrusion 37 by the lower rotating arm 27 which is rotated downward and the drive motor 24 is de-energized, and the lowering position displacement of the operating body 21 by the detection means 34. Is detected.
[0035]
As described above, when the car 1 is landed on the landing 11, the upper surface 29 of the working plate 31 constituting the actuating body 21 of the actuating device 19 is between the two of the car threshold 6 and the landing threshold 13. Arranged to reduce the gap between the two. For this reason, the caster of a wheelchair etc. does not fall in the clearance gap between the said two persons, but can move easily between the said two persons.
[0036]
Further, after the car door 3 is fully closed, the operating device 19 is operated, the drive motor 24 is energized, the operating shaft 23 is rotated, and the operating plate 31 of the operating body 21 is displaced upward. As a result, the gap between the lower end of the car door 3 and the car sill 6 is closed by the operation plate 31 via the first sound insulating material 32 and the second sound insulating material 33 which are in close contact with the opposing member.
[0037]
As a result, it is possible to prevent noise such as wind noise caused by raising and lowering the car 1 from entering the car 1 being raised and lowered from the lower edge of the car door 3. Further, since the second sound insulating material 33 is in close contact with the car door 3 after the car door 3 is fully closed, the car door 3 does not rub against the second sound insulating material 33 during the door closing operation, and the door closing operation is performed. There is no loss of smoothness.
[0038]
When the car 1 reaches the landing 11, the operating device 19 operates, the drive motor 24 is energized, the operating shaft 23 rotates through the gear reduction mechanism 25, and the operating plate 31 of the operating body 21 is moved. Start down displacement. Then, after the second sound insulating material 33 is separated from the car door 3, a door opening command is issued, and the car door 3 is driven to open by a driving device (not shown). Further, the landing door 17 is opened together with the car door 3 through the engagement mechanism 42 engaged with the engagement plate 41. Therefore, the door 3 of the car does not rub against the second sound insulating material 33 during the door opening operation, and the smoothness of the door opening operation is not impaired.
[0039]
Further, unlike the configuration shown in FIG. 11 described above, the auxiliary sill 14 that operates in conjunction with the opening / closing operation of the car door 3 is not provided. For this reason, it can be set as a simple apparatus structure, can be assembled easily and can reduce manufacturing cost. Further, because of the auxiliary threshold 14 that operates in conjunction with the car door 3, there is no problem that the maintenance work for the mechanical local area such as the door driving device 4 alone or the actuator 19 alone is restricted. Moreover, the load fluctuation | variation generate | occur | produces in the drive device 4 with the operation | movement load of the auxiliary sill 14, and it can eliminate the malfunction which affects the opening / closing operation | movement of the cage door 3 and becomes unstable.
[0040]
In addition, the reversal operation of the car door 3 when the door is closed can solve the problem that the reaction is transmitted to the auxiliary sill 14 to cause impact and noise.
Further, during the maintenance work, the maintenance work can be performed with the operating body 21 lowered as shown in FIG. 7 regardless of the open / closed state of the car door 3 or the like. For this reason, maintenance work efficiency can be improved.
[0041]
Further, in the state shown in FIG. 6 in which the car 1 is landed on the landing 11 and the operation plate 31 upper surface 29 of the operating body 21 is disposed between the two of the car sill 6 and the hall sill 13, the detection means 34. Becomes inactive. As a result, the car 1 is prevented from moving up and down, so that the car 1 moves up and down with the upper surface 29 of the working plate 31 disposed between the two persons, and the upper door 29 of the landing plate 17 is engaged with the upper surface 29 of the working plate 31. An accident in which the combined device 42 collides and is damaged can be prevented.
[0042]
Further, since the toe guard 28 is integrally formed by the lower part of the operating plate 31 of the operating body 21, it is not necessary to manufacture and install the toe guard separately, and the manufacturing cost and the installation cost can be reduced.
[0043]
【The invention's effect】
As described above, the present invention includes a car that moves up and down the hoistway, a car door that opens and closes the doorway of the car, a drive mechanism provided in the car, and a drive mechanism that drives and displaces the door. A platform provided in the car sill and hoistway, which is in close contact with both the car door and the car sill that forms the lower edge of the doorway, covers the gap between the two, is driven by the drive mechanism and descends And an actuating device having an actuating body whose upper surface is arranged at a position corresponding to the upper surface of the sill of the car.
[0044]
As a result, the space between the car door and the lower edge of the doorway is closed while the car is moving up and down, and noise such as wind noise is prevented from entering the car 1 being lifted and lowered from the lower edge of the doorway. . In addition, when the car is landed on the landing, the upper surface of the operating plate constituting the operating body of the operating device is disposed between the car sill and the landing sill, so that the gap between the two is reduced. For this reason, the casters of a wheelchair or the like do not fall into the gap between the two persons, and the movement is easily facilitated. In addition, there is an effect that the operating body is driven by the driving mechanism to prevent sliding of the operating body by the car door during the opening / closing operation, thereby facilitating the opening / closing operation of the car door.
[0045]
Further, as described above, the present invention is provided with the operating body in which the lower portion is extended downward and the toe guard is integrally formed.
[0046]
As a result, it is not necessary to manufacture and install a separate toe guard, which has the effect of reducing manufacturing costs.
[0047]
In addition, as described above, the present invention is provided with detection means that operates when the operating body is disposed at a position retracted to the car side.
[0048]
As a result, the raising and lowering of the car can be prevented through the non-operation of the detecting means, and the car is raised and lowered while the working body is separated from the car side, so that the working body protrudes from the landing side. This has the effect of preventing problems caused by collision.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a diagram showing a first embodiment of the present invention, and is a front view of an essential part on the lower side of an elevator car.
FIG. 2 is a plan view corresponding to FIG.
3 is a longitudinal sectional side view of the main part of FIG. 1;
FIG. 4 is an enlarged view of a part A in FIG.
5 is a view corresponding to FIG. 2 showing a displacement state of the operating body in FIG. 2;
6 corresponds to FIG. 3 corresponding to FIG.
7 is a view corresponding to FIG. 6 showing another displacement state of the operating body in FIG. 2;
FIG. 8 is a flowchart for explaining a displacement operation of the working body in FIG. 2;
FIG. 9 is a view showing a conventional elevator apparatus, and is a front view of an elevator car.
10 is an enlarged longitudinal sectional view showing the main part of FIG. 9;
FIG. 11 is a view showing another conventional elevator apparatus, and is a vertical side view of the lower edge portion of the entrance / exit of the car.
[Explanation of symbols]
1 car, 2 car doorway, 3 car door, 6 car sill, 12 hoistway, 13 landing sill, 19 actuating device, 20 drive mechanism, 21 actuating body, 28 toe guard, 29 upper surface, 34 detection means.

Claims (3)

The car door that opens and closes the hoistway, the door of the car that opens and closes the entrance of the car, the drive mechanism provided in the car, and the door and the door of the car that are driven by the drive mechanism and moved upwardly and closed Close to both sides of the car sill that formed the edge, covered the gap between the two, driven by the drive mechanism and lowered, between the two of the car sill and the landing sill provided on the hoistway An elevator apparatus comprising: an operating device having an operating body which is displaced to reduce a gap between the two persons and whose upper surface is disposed at a position corresponding to the upper surface of the sill of the car. The elevator apparatus according to claim 1, wherein the operating body is configured such that a lower portion extends downward and the toe guard is integrally configured. 2. The elevator apparatus according to claim 1, further comprising detection means that operates when the operating body is disposed at a position retracted toward the car side.

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