JP4481199B2 - Elevator equipment for seismic isolation buildings - Google Patents

Description

The present invention relates to an elevator apparatus installed in a seismically isolated building.

  A base-isolated building composed of a base building constructed on the ground and a base-isolated building supported by a base-isolating device at the top of this base building A horizontal relative displacement occurs between the base building and the base-isolated building. In an elevator for a base-isolated building in which a hoistway is formed so as to run vertically from the base building of the base-isolated building to the base-isolated building, both of the above-mentioned buildings (base building and base-isolated building) generated during an earthquake The relative position between the two buildings is linked with the relative displacement between the two buildings, because the relative displacement between the two buildings is changed due to the relative displacement between the two bodies. A deforming boarding / exiting passage is provided at a landing on a predetermined floor.

  FIG. 11 is a side view of a main part of a conventional elevator landing device for a base-isolated building, showing a floor portion of a conventional boarding passage. FIG. 12 is a diagram corresponding to FIG. 11 for explaining the situation at the time of the earthquake. In FIG.11 and FIG.12, while the floor surface of the boarding / alighting path 7 is arrange | positioned at the boarding side of the boarding / alighting path 7, ie, the building 2 or 4 side, the building side edge part is rotatably supported by the building. Further, the hoistway side end is disposed on the car body side, that is, the building-side movable floor plate 20 projecting on the hoistway 5 side, and the hoistway 5 side of the boarding passage 7, and the building-side end is the building body 2 or 4. The hoistway side movable floor plate 23 is provided so as to protrude on the side and to be constantly superposed on the lower surface of the building side movable floor plate 20. When the hoistway side movable floor plate 23 is inclined as shown in FIG. 12 when an earthquake occurs, the building side movable floor plate 20 rotates around the end of the building side according to the displacement of the hoistway side movable floor plate 23. By doing so, the level | step difference which arises on the floor surface of the boarding / alighting passage 7 is prevented.

  In addition, as a conventional technique, for a base-isolated building where the entrance and exit passages respond to the relative displacement of the base entrance / exit and the entrance / exit without any abnormalities when the hoistway tilts in the entrance / exit direction with respect to the base entrance / exit of the base building An elevator hall device has been proposed (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 2004-155582

  11 and 12, the hoistway side end of the building-side movable floor plate 20 is always placed on the hoistway-side movable floor plate 23, and the weight of the building-side movable floor plate 20 is increased. It is comprised so that it may act directly on the hoistway side movable floor board 23. However, the building-side movable floor plate 20 has a weight of about 300 kg when a stainless steel plate having a thickness of 12 mm is used, for example. For this reason, when the building side movable floor board 20 and the hoistway side movable floor board 23 slide at the time of the occurrence of an earthquake, a very large frictional resistance is generated. As shown in FIG. 12, when the weight of the building-side movable floor board 20 directly acts on the hoistway-side movable floor board 23 inclined by an earthquake, the car guide rail (not shown) supporting the hoistway-side movable floor board 23 is excessive. The problem that a heavy load acts has also occurred.

  In addition, the thing of patent document 1 is completely different from what is shown in FIG.11 and FIG.12 in the structure of the floor part of a boarding / alighting passage.

This invention was made in order to solve the above-mentioned subject, The objective provides the elevator apparatus for seismic isolation buildings which can reduce the load which acts on the hoistway side movable floor board from a building side movable floor board It is to be.

An elevator apparatus for a base-isolated building according to the present invention is an elevator apparatus for a base-isolated building in which a hoistway is formed across a base building body and a base-isolated building body supported by the base building body through a base-isolating device . When raising and lowering the inside of the hoistway, and standing up in the hoistway to guide the raising and lowering of the car, when horizontal displacement occurs between the base building and the base-isolated building, A part of the guide rail that is arranged between the upper part and the lower part of the base-isolated building is inclined according to the displacement, a movable hoistway frame provided on a part of the guide rail, and a movable hoistway frame, collision and passenger passage provided between the base architecture, or consisting of the seismic isolation building body building body to form a floor of passenger passage, one end portion is provided on the building body, the other end shaft side the rewritable form and set the architectural side movable floor, the floor of the passenger passage One end portion is provided on the movable hoistway frame, a hoistway retractable floor arranged to constantly polymerization below the projecting has been building side retractable floor to another end construction side, building side retractable floor and building material provided between, in which a biasing device for urging the other end at all times above the building side retractable floor.

According to the elevator apparatus for a seismic isolation building according to the present invention , the load acting on the hoistway side movable floor board from the building side movable floor board can be reduced.

  In order to explain the present invention in more detail, it will be described with reference to the accompanying drawings. In addition, in each figure, the same code | symbol is attached | subjected to the part which is the same or it corresponds, The duplication description is simplified or abbreviate | omitted suitably.

Embodiment 1 FIG.
FIG. 1 is a longitudinal sectional view conceptually showing an elevator for a base-isolated building, FIG. 2 is a diagram for explaining the situation of the elevator for the base-isolated building in FIG. 1, and FIG. 3 is an exemption for the first embodiment of the present invention. FIG. 4 is a side view of the landing device for the seismic isolation building elevator shown in FIG. 3, and FIG. 5 is a front view of the main part of the landing device for the seismic isolation building elevator shown in FIG. FIG. 6 is an enlarged view of the main part of the elevator device for the base-isolated building shown in FIG. 4, FIG. 7 is a diagram corresponding to FIG. 5 for explaining the situation at the time of the earthquake, and FIG. FIG.

  1 and 2, the base-isolated building is composed of a base building 2 built on the ground 1 and a base-isolating building 4 supported via a base-isolating device 3 above the base building 2. The And the hoistway 5 is provided so that it may pass through from the base building 2 to the seismic isolation building 4, and between the upper part of the base building 2 in the hoistway 5 and the lower part of the seismic isolation building 4 is provided. That is, a plurality of movable hoistway frames 6 are arranged at predetermined intervals from above and below with the height of the seismic isolation device 3 interposed therebetween. Moreover, between both the buildings 2 and 4 and the movable hoistway frame 6, a boarding passage 7 is provided at a landing on a predetermined floor.

  Also, in the hoistway 5, a car guide rail 9 that guides the elevator car 8 to move up and down extends from the bottom of the hoistway 5, which extends from the lower part of the base building 2 to the upper part of the seismic isolation building 4. Standing up. The car guide rail 9 is connected to each movable hoistway frame 6 provided from the upper part of the base building 2 to the lower part of the seismic isolation building 4. On the other hand, the counterweight guide rail 11 that guides the lifting and lowering of the counterweight 10 is erected from the bottom of the hoistway 5 to the top, similarly to the car guide rail 9, and is attached to each movable hoistway frame 6. It is connected.

  A machine room 12 is provided above the seismic isolation building 4 above the hoistway 5, and a hoisting machine having a drive sheave 13 is installed in the machine room 12. A main rope 14 that suspends the car 8 and the counterweight 10 in a fishing bottle manner is wound around the drive sheave 13 of the hoisting machine, and the drive sheave 13 around which the main rope 14 is wound is rotated. By moving, the car 8 and the counterweight 10 move up and down in the hoistway 5 in opposite directions. A shock absorber 15 is erected on the bottom surface of the hoistway 5 so as to face the car 8 and the counterweight 10.

  In the base-isolated building having such a configuration, when the earthquake occurs, a relative displacement in the horizontal direction occurs between the base building 2 and the base-isolating building 4 with the base isolation device 3 as a boundary (FIG. 2). In addition, both the guide rails 9 and 11 standingly arranged in the hoistway 5 are comprised so that it may be displaced according to the relative displacement between the said both buildings 2 and 4 which generate | occur | produce at the time of an earthquake. That is, each part of both the guide rails 9 and 11 arranged from the upper part of the base building 2 to the lower part of the base isolation building 4 is inclined according to the relative displacement generated between the two buildings 2 and 4. Thus, both the guide rails 9 and 11 are configured to continue from the top to the bottom of the hoistway even during an earthquake.

In addition, the movable hoistway frame 6 connected to both the guide rails 9 and 11 is inclined together with the both guide rails 9 and 11 when an earthquake occurs. For this reason, the entrance / exit passage 7 provided between the two buildings 2 and 4 and the movable hoistway frame 6 is configured to be deformed corresponding to the displacement of the movable hoistway frame 6 during an earthquake.
Below, the structure of the boarding passage 7 provided between the predetermined landing of the structures 2 and 4 and the movable hoistway frame 6, ie, the car stopped at the landing, will be described in detail.

  3 and 4, the entrance / exit passage 7 provided on a predetermined floor of the base-isolated building has three sides of the entrance / exit of the hoistway side that forms one side of the entrance / exit passage 7 on the car 8 side, that is, the hoistway 5 side. A frame 16 is provided on the movable hoistway frame 6. The movable hoistway frame 6 is provided with a landing door 17 that opens and closes the hoistway side entrance / exit three-way frame 16 and a sill 18 that guides the lower end of the landing door 17. On the other hand, on the side of the building 2 or 4 (hereinafter referred to as “building 2”) facing the hoistway side entrance three-way frame 16, a building side entrance three-way frame 19 that forms the other side of the entrance / exit passage 7 is provided.

  And the building side movable floor board 20 which is arrange | positioned in the lower edge part of the building side entrance three-way frame 19 and forms the floor surface of the entrance / exit passage 7 is provided in the building body 2 so that rotation is possible by the hinge 20a in the building side. The hoistway side end is projected toward the hoistway side entrance / exit three-way frame 16 and is configured to be rotatable in the vertical direction. 3 and 4 show a case where the building-side movable floor plate 20 is pivotally coupled to a landing floor plate 20b fixed to the building 2 via a hinge 20a. In addition, the building-side movable ceiling plate 21 that is arranged at the upper edge of the building-side entrance three-way frame 19 and forms the ceiling surface of the entrance / exit passage 7 can be rotated at the building-side entrance three-way frame 19 at the building-side end. While being provided, the hoistway side end is projected toward the hoistway side entrance / exit three-way frame 16 and is configured to be rotatable in the vertical direction. In addition, the building-side movable side wall plate 22 that is disposed on the side edge of the building-side entrance / exit three-way frame 19 and forms the side wall surface of the entrance / exit passage 7 has a building-side end on the building-side entrance / exit three-side frame 19 via a vertical axis. The hoistway side end is projected toward the hoistway side entrance / exit three-way frame 16, and the upper end is disposed in the building-side movable ceiling plate 21 so as to form a predetermined gap, and the lower end Are arranged in the building-side movable floor plate 20 with a predetermined gap. Thereby, the building side movable floor, the building side movable side wall, and the building side movable ceiling of the entrance / exit passage 7 are formed.

  On the other hand, the hoistway side movable floor, the hoistway side movable side wall, and the hoistway side movable ceiling of the boarding passage 7 are configured as follows. The hoistway side movable floor plate 23 which is disposed at the lower edge of the hoistway side entrance / exit three-way frame 16 and forms the floor surface of the entrance / exit passage 7 is provided at the hoistway side end portion on the movable hoistway frame 6 via the horizontal axis 24 or the like. At the same time, the end of the building side projects toward the building side entrance / exit three-way frame 19, and is always superposed and arranged below the building side movable floor plate 20. The hoistway-side movable floor plate 23 is superposed at a considerable distance in the depth direction of the building-side movable floor plate 20, and the overlapping distance between the hoistway-side movable floor plate 23 and the building-side movable floor plate 20 is minimized when an earthquake occurs. The floor surface of the entrance / exit passage 7 is configured to be sufficiently secured. Further, the hoistway-side movable ceiling 25 that forms the ceiling surface of the entrance / exit passage 7 and the hoistway-side movable side wall 26 that forms the side wall surface of the entrance / exit passage 7 are each composed of a plurality of, for example, three portal stainless steel plates. . The hoistway-side movable ceiling 25 and the hoistway-side movable side wall 26 made of this portal-shaped stainless steel plate are slidably fitted inside the building-side movable ceiling plate 21 and the building-side movable side wall plate 22 so as to be slidable. 25a and the first hoistway side movable side wall 26a, the second hoistway side movable ceiling 25b and the second hoistway side movable ceiling 25b slidably fitted inside the first hoistway side movable ceiling 25a and the first hoistway side movable side wall 26a. Hoistway side movable side wall 26b, the second hoistway side movable ceiling 25b, the third hoistway side movable ceiling 25c slidably fitted inside the second hoistway side movable side wall 26b, and the third hoistway side movable side wall. It is a three-layer structure composed of the side wall 26c. The hoistway-side movable ceiling 25 and the hoistway-side movable side wall 26 of the boarding / alighting passage 7 are expanded and contracted in a mutually slidable manner when an earthquake occurs, and are displaced according to the shaking of the earthquake. Note that the movable hoistway frame 6 side ends of the third hoistway side movable ceiling 25c and the third hoistway side movable side wall 26c are pivotally attached to the hoistway side doorway three-way frame 16 via a horizontal axis and a vertical axis. .

  In addition, at the upper and lower two locations outside the building-side movable side wall plate 23 of the boarding passage 7 and the respective hoistway side movable side walls 26a to 26c, telescopic connection links 27 made of pantograph operation mechanisms arranged in a vertical direction are provided. Yes. Both ends of each of the telescopic connection links 27 are pivotally supported on the building-side movable side wall plate 22 and the third hoistway side movable side wall 26c by pivot pins 28a and 28b. The pivot pins 28c and 28d in the middle portion of the telescopic connection link 27 arranged in the vertical direction are pivotally supported by the first hoistway side movable side wall 26a and the second hoistway side movable side wall 26b, respectively. A vertically long slot 29 into which the pivot pins 28c and 28d are inserted is provided in the pivotal support portions of the hoistway side movable side wall 26a and the second hoistway side movable side wall 26b. Similarly, telescopic connection links 30 made of pantograph operation mechanisms arranged in the horizontal direction are provided at the left and right two locations outside the building-side movable ceiling plate 21 and the hoistway-side movable ceilings 25a to 25c of the entrance / exit passage 7. Yes. Both ends of the telescopic connection link 30 disposed in the horizontal direction are pivotally supported by the building-side movable ceiling plate 21 and the third hoistway-side movable ceiling 25c by pivot pins 31a and 31b. The pivot pins 31c and 31d in the middle part of the telescopic connecting link 30 are pivotally supported by the first hoistway side movable ceiling 25a and the second hoistway side movable ceiling 25b, respectively, and the first hoistway side movable ceiling 25a. And the long hole (not shown) in which the pivot pins 31c and 31d are inserted is provided in the pivot part of the 2nd hoistway side movable ceiling 25b.

  In this invention, the urging device 32 is disposed on the building 2 located below the end of the hoistway side of the building-side movable floor plate 20 or the hoistway beam fixed to the building 2, and the building-side movable floor plate 20. The urging device 32 provided between the building bodies 2 always urges the hoistway side end of the building side movable floor plate 20 upward. 5 and 6, the urging devices 32 are respectively disposed on both sides of the hoistway side movable floor plate 23 with the hoistway side movable floor plate 23 interposed therebetween. And this urging | biasing apparatus 32 is provided with the attachment part 32a fixed to the building body 2 etc. which is located under the hoistway side edge part of the building side movable floor board 20, and a lower end part is provided in this attachment part 32a, The upper end The portion comprises a biasing spring 32b that abuts against the lower surface of the hoistway side end of the building-side movable floor plate 20 and constantly biases the building-side movable floor plate 20 upward.

  In addition, the building-side movable floor plate 20 and the hoistway-side movable floor plate 23 are each configured to maintain a substantially horizontal state during normal times. That is, the urging force and the length of the urging spring 32b of the urging device 32 are adjusted as appropriate so that the building-side movable floor plate 20 is in a substantially horizontal state. And the hoistway side movable floor board 23 is arrange | positioned so that the upper surface may oppose the lower surface of the building body side movable floor board 20 with a slight clearance gap. The urging force of the urging spring 32b is set to be slightly weaker than the force acting on the urging spring 32b from the building-side movable floor plate 20, and the hoistway side end of the building-side movable floor plate 20 May be configured to be placed on the hoistway side movable floor plate 23 disposed substantially horizontally.

Next, the operation when an earthquake occurs will be described.
7 and 8, when an earthquake occurs, the hoistway side movable floor plate 23 is displaced in conjunction with the movable hoistway frame 6. Here, when the hoistway-side movable floor plate 23 is lifted upward from the normal time, the building-side movable floor plate 20 rotates around the hinge 20a while contacting a part of the hoistway-side movable floor plate 23 with the hoistway-side movable floor plate 23. At this time, the weight of the building-side movable floor plate 20 is supported by the biasing device 32 and does not act on the hoistway-side movable floor plate 23. Or it hardly works. Therefore, even when an earthquake occurs, there is no fear that an excessive load due to the weight of the building-side movable floor plate 20 will act on the car guide rail 9, and it is possible to extend and retract the entrance / exit passage 7 by a stable displacement during an earthquake. can do.

Embodiment 2. FIG.
FIG. 9 is a side view of the main part of the elevator apparatus for a base-isolated building according to Embodiment 2 of the present invention, and FIG. 10 is a view corresponding to FIG. 9 for explaining the situation during an earthquake. 9 and 10, the urging device 32 that constantly urges the hoistway side end of the building-side movable floor plate 20 upward is applied to the building 2 and the like located below the hoistway-side end of the building-side movable floor plate 20. A fixed mounting portion 32a and a lower surface portion are provided on the mounting portion 32a, and the upper surface portion abuts against the lower surface of the hoistway side end portion of the building-side movable floor plate 20 to constantly bias the building-side movable floor plate 20 upward. And an urging spring 32b having a horseshoe shape. Other configurations and effects are the same as those of the first embodiment. In the second embodiment, a horseshoe shape is used as the urging spring 32b, but the weight of the building-side movable floor plate 20 can be supported like a leaf spring, and the displacement at the time of an earthquake. Any structure may be used as long as it has a predetermined stretchability.

1 is a longitudinal sectional view conceptually showing an elevator for a base-isolated building. It is a figure explaining the condition at the time of the earthquake of the elevator for base-isolated buildings of FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a top view of the landing apparatus of the elevator for seismic isolation buildings in Embodiment 1 of this invention. FIG. 4 is a side view of the elevator apparatus for a base-isolated building shown in FIG. 3. It is a principal part front view of the landing apparatus of the elevator for seismic isolation buildings shown in FIG. It is a principal part enlarged view of the landing apparatus of the elevator for seismic isolation buildings shown in FIG. FIG. 6 is a diagram corresponding to FIG. 5 for explaining the situation at the time of an earthquake. FIG. 7 is a diagram corresponding to FIG. 6 for explaining the situation at the time of an earthquake. It is a principal part side view of the elevator apparatus for base-isolated buildings in Embodiment 2 of this invention. FIG. 10 is a diagram corresponding to FIG. 9 for explaining the situation at the time of an earthquake. It is a principal part side view of the landing apparatus of the conventional elevator for seismic isolation buildings. It is FIG. 11 equivalent figure explaining the condition at the time of an earthquake.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ground 2 Base building body 3 Seismic isolation apparatus 4 Seismic isolation building body 5 Hoistway 6 Movable hoistway frame 7 Boarding passage 8 Car 9 Car guide rail 10 Counterweight 11 Counterweight guide rail 12 Machine room 13 Drive sheave 14 Main rope 15 Shock absorber 16 Hoistway side entrance / exit three-way frame 17 Door of landing 18 Sill 19 Building side entrance / exit three-sided frame 20 Building side movable floor plate 20a Hinge 20b Board floor plate 21 Building side movable ceiling plate 22 Building side movable side wall plate 23 Lift side movable Floor plate 24 Horizontal axis 25 Hoistway side movable ceiling 25a to 25c First to third hoistway side movable ceiling 26 Hoistway side movable side wall 26a to 26c First to third hoistway side movable side walls 27, 30 Telescopic connection links 28a to 28d, 31a to 31d pivot pin 29 long hole 32 biasing device 32a mounting portion 32b biasing spring

Claims (3)

In an elevator apparatus for a base-isolated building in which a hoistway is formed across a base building body and a base-isolated building body supported by the base building body via a base-isolating apparatus ,
Whether to go up and down in the hoistway,
When the horizontal displacement occurs between the base building body and the base isolation building, the upper part of the base building body and the base isolation are installed in the hoistway so as to guide the raising and lowering of the car. A part of the guide rail which is arranged between the lower part of the building body and inclines in accordance with the displacement;
A movable hoistway frame provided in the part of the guide rail;
An entrance / exit passage provided between the movable hoistway frame and the base building or the building made of the base-isolated building,
To form a floor of the passenger passage, one end portion is provided on the building body, the building side retractable floor to the other end projecting from the shaft side,
The The rewritable form on the floor of the passenger passage, one end portion is provided on the movable shaft frame, it is arranged so that the other end is polymerized always below the building side movable floor is projected to the building side A hoistway side movable floor plate,
The building side is provided between the retractable floor and the building body, the building side seismic isolation building elevator apparatus characterized by comprising an urging device for urging the other end always above the retractable floor . The biasing device is
And said other end portion of the mounting portion which is fixed to the building body located below the building side retractable floor,
This is provided in the mounting portion, the seismic isolation building elevator apparatus according to claim 1, characterized in that the upper portion is a biasing spring in contact with the lower surface of the other end portion of the building body side retractable floor. The building side retractable floor, as displacement in the direction on the other end it is possible, according to claim 1 or claim, wherein the end portion is disposed rotatably in the building body The elevator apparatus for seismic isolation buildings according to 2.

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