JP3809144B2 - Base device for elevator for seismic isolation building - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In this invention, the hoistway provided in the base-isolated building with the base-isolated building supported by the base-isolating device via the seismic isolation device is arranged to face the base building, and the base building and hoistway The present invention relates to a platform device for an elevator for a base-isolated building in which a boarding / exiting passage is arranged.
[0002]
[Prior art]
In a conventional base station for base-isolated building elevators, a base-isolated building supported by the base building via a base-isolating device and a base-isolated building formed in a fitted state. A hoistway is provided, and an entrance / exit passage is disposed between the base building body and the hoistway. That is, a hoistway entrance / exit which is provided in the hoistway and forms one side of the entrance / exit passage is arranged, and a base entrance / exit which is provided in the base building and is arranged to face the hoistway entrance / exit and forms the other side of the entrance / exit passage Is placed.
[0003]
The entrance / exit passage is constructed of a plurality of square-shaped rectangular tubes that are assembled in a telescopic-pipe shape, and a floor, a side surface, and a ceiling are formed by the inner surface, and is configured to be stretchable. And, one side of the telescopic-pipe form is connected to the base entrance and the other side is connected to the hoistway entrance, and the entrance and exit passages correspond to changes in the distance between the base building and the hoistway during earthquakes and strong winds. . With such a configuration, when the both are relatively displaced in the horizontal direction at the time of an earthquake or the like, the entrance / exit passage is displaced or expanded / contracted. (For example, refer to Patent Document 1).
[0004]
[Patent Document 1]
JP 11-171429 A (Embodiment 5, FIGS. 26 to 30)
[0005]
[Problems to be solved by the invention]
When a relative displacement occurs between the base building and the hoistway during an earthquake, etc., both the base entrance and the hoistway hoistway entrance of the base building Moreover, it is relatively displaced in the direction of inclination. Further, in a conventional elevator landing device for a base-isolated building, the entrance / exit passage is constituted by a plurality of square-shaped rectangular cylinders assembled in a telescopic-pipe form.
[0006]
In the structure of a conventional elevator base for a base-isolated building, when the two are relatively displaced, the corresponding operation of the entrance / exit passage, that is, the following function between the plurality of rectangular cylinders constituting the entrance / exit passage is insufficient. As a result, there is a problem in that the rectangular cylinders constituting the boarding / exiting passages are deformed or an unpleasant squeak noise is generated due to the relative displacement between the rectangular cylinders.
[0007]
The present invention has been made to solve such problems, and when the relative displacement of both the base entrance of the base building and the hoistway entrance of the hoistway, the boarding passage provided between the two is the above The purpose is to obtain a lift device for a base-isolated building that can cope with the relative displacement of the two without any problems.
[0008]
[Means for Solving the Problems]
In the elevator apparatus for a base-isolated building according to the present invention, the base-isolated building supported by the base building via the base-isolating device, and provided in the base-isolating building and disposed facing the base building Hoistway, basement body and boarding passage provided between the hoistway, hoistway entrance / exit formed on the hoistway and forming one side of the boarding / exiting passage, and basement body entrance / exit passage A base entrance / exit that forms the other side, a base-side ceiling plate that is arranged at the upper edge of the base entrance / exit and projects toward the hoistway entrance / exit, and an upper side that is arranged at the upper edge of the hoistway entrance / exit A hoistway-side ceiling plate that is pivotally attached via an axis, the other side is disposed near the base entrance and exits and is superimposed on the bottom surface of the base-side ceiling plate, and the tip portion has an inclined surface with the tip inclined upward, and the base portion Provided at the side edge of the doorway, one side is pivotally attached via the vertical axis The other side is located near the hoistway entrance and exit to form the wall at the base entrance and exit side of the boarding passage, the upper end is the base side wall plate arranged with a gap formed in the base side ceiling plate, and the side edge of the hoistway entrance and exit One side is pivotally attached via a vertical axis, and the other side is projected toward the base entrance and exit and overlapped with the base side wall plate and engaged with each other so as to be relatively displaceable along the opposing surfaces. A hoistway side wall plate that forms a wall on the hoistway entrance / exit side of the entrance / exit passage and that has an upper end formed with a gap formed in the hoistway side ceiling plate and an upper edge of the base side wall plate are arranged and overlapped. A base-side upper closing plate that is mounted freely and blocks the gap between the upper edge of the base side wall plate and the base side ceiling plate and has an opposing slope corresponding to the inclined surface of the hoistway side ceiling plate, and the back surface of the base side wall plate Base-side upward biasing device that is provided and biases the base-side upper closing plate upward The base-side upper closing plate, which is made of a member having low friction performance, is disposed so as to protrude from the upper end of the base-side upper closing plate, and is arranged on the inclined surfaces of the base-side ceiling plate, the hoistway-side ceiling plate, and the hoistway-side ceiling plate. The base-side upper guide body, which is equipped facing, and the upper-side edge part of the hoistway side wall plate are superposed and arranged so as to be able to move up and down, and the gap between the upper edge part of the hoistway side wall plate and the hoistway side ceiling board is formed. The hoistway side upper closing plate, the hoistway side upper closing plate which is provided on the back surface of the hoistway side wall plate and urges the hoistway side upper closing plate upward, and a member having low friction performance. A hoistway-side upper guide body that is provided so as to protrude from the upper end of the hoistway-side upper closing plate and is provided facing the hoistway-side ceiling plate surface.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
1 to 6 are views showing an example of an embodiment of the present invention. FIG. 1 is a longitudinal side view, FIG. 2 is a cross-sectional plan view of the main part of FIG. 1, and FIG. 4 is a longitudinal side view of the closing plate portion in FIG. 3, FIG. 5 is a view corresponding to FIG. 1 for explaining the situation at the time of earthquake, and FIG. 6 is a view equivalent to FIG. 3 for explaining the situation at the time of earthquake. In the figure, a base building 1 is constructed on the ground (not shown), and a base isolation structure (not shown) is supported by a base isolation device (not shown) on the base building 1.
[0010]
And the hoistway 2 corresponding to the base building 1 and the seismic isolation building is provided from the seismic isolation building, and although the illustration is omitted, the elevator car and the counterweight move up and down the hoistway 2. Further, the base building 1 is provided with a base entrance 3 and the hoistway 2 is provided with a hoistway entrance 4. A landing door 5 that opens and closes the hoistway entrance 4 is provided at the hoistway entrance 4, and a threshold 6 that guides the lower end of the landing door 5 is provided at the lower edge of the hoistway entrance 4.
[0011]
Further, a boarding passage 7 is provided between the base entrance 3 and the hoistway entrance 4 and is configured as described below. That is, a base side floor plate 8 is provided at the lower edge of the base entrance 3 and protrudes toward the hoistway entrance 4, and is disposed at the upper edge of the base entrance 3 toward the hoistway entrance 4. A base-side ceiling board 9 is provided.
[0012]
And the hoistway side floor board 10 is arrange | positioned in the lower edge part of the hoistway entrance / exit 4, the one side is pivoted through the horizontal axis 11, and the other side is arrange | positioned near the base entrance / exit 3 on the upper surface of the base side floor board 8. As a result of the polymerization, an inclined surface 12 whose tip is inclined downward is formed at the tip. In addition, a hoistway side ceiling plate 13 is arranged at the upper edge of the hoistway entrance 4, one side is pivoted via a horizontal axis 14, and the other side is arranged closer to the base entrance 3, and the base side ceiling plate 9 Overlapping on the lower surface, an inclined surface 15 with the tip inclined upward is formed at the tip.
[0013]
Further, a base side wall plate 16 is provided at a side edge of the base entrance / exit 3, one side is pivotally attached via a vertical axis 17, and the other side is disposed near the hoistway entrance / exit 4, and the base entrance / exit 3 side of the entrance / exit passage 7 is provided. The wall surface is formed. The base side wall plate 16 is arranged with the upper end forming a gap in the base side ceiling plate 9 and the lower end arranged with a gap formed in the base side floor plate 8.
[0014]
Further, a hoistway side wall plate 18 is provided, one side is pivotally attached to a side edge of the hoistway doorway 4 via a vertical axis 19, and the other side is projected toward the base doorway 3. It superposes and forms the wall surface by the side of the hoistway entrance / exit 4 of the getting-on / off passage 7. Note that the hoistway side wall plate 18 is arranged with an upper end forming a gap in the hoistway side ceiling board 13 and a lower end arranged with a gap formed in the hoistway side floor board 10.
[0015]
Further, an inclined surface 20 is formed at the distal end portion of the hoistway side wall plate 18 with the distal end inclined in a direction approaching the base side wall plate 16 surface. Then, a base-side upper closing plate 21 is arranged on the upper edge of the base side wall plate 16 to close the gap between the upper edge of the base side wall plate 16 and the base-side ceiling plate 9, and the base-side upper closing plate The plate 21 is provided with an opposing inclined surface 22 corresponding to the inclined surface 15 of the hoistway side ceiling plate 13.
[0016]
Further, a base side upward biasing device 23 described below is provided on the back surface of the base side upper closing plate 21. That is, the base-side upward biasing device 23 has one end fixed to the refracting portion of the base-side upper closing plate 21 and extends downward, and the other end has a gap in the holding metal fixture 24 fixed to the back surface of the base side wall plate 16. A compression rod which is formed and inserted into the guide rod 25 and is fitted between the guide rods 25 and disposed between the bending portion of the base-side upper blocking plate 21 and the holding metal 24 and biases the base-side upper blocking plate 21 upward. It is comprised by the urging | biasing body 26 which consists of a coil spring.
[0017]
A base-side upper guide body 27 made of a synthetic resin such as ultrahigh molecular weight polyethylene and having a low friction performance is provided on the base-side upper closing plate 21 and protrudes from the upper end of the base-side upper closing plate 21. The base side ceiling plate 9, the hoistway side ceiling plate 13, and the inclined surface 15 of the hoistway side ceiling plate 13 are installed in contact with each other. Further, a base side lower closing plate 28 is arranged on the lower edge portion of the base side wall plate 16 so as to close a gap between the lower edge portion of the base side wall plate 16 and the base side floor plate 8, and the base side upper guide body. 27 is provided with an opposing slope 29 corresponding to the slope 12 of the hoistway side floor board 10.
[0018]
Further, a base side downward urging device 30 described below is provided on the back surface of the base side lower closing plate 28. That is, the base side downward urging device 30 has one end fixed to the refracting portion of the base side lower closing plate 28 and extends upward, and the other end has a gap in the holding metal fitting 31 fixed to the back surface of the base side wall plate 16. A compression rod which is formed and inserted into the guide rod 32 and is fitted between the guide rods 32 and disposed between the bent portion of the base-side lower closing plate 28 and the holding bracket 31 and biases the base-side lower closing plate 28 downward. It is comprised by the urging | biasing body 33 which consists of a coil spring.
[0019]
A base-side lower guide body 34 made of a synthetic resin such as ultrahigh molecular weight polyethylene and having a low friction performance is provided on the base-side lower closing plate 28 and protrudes from the lower end of the base-side lower closing plate 28. The base side floor board 8, the hoistway side floor board 10, and the inclined surface 12 of the hoistway side floor board 10 are installed. Further, a hoistway side upper closing plate 35 is arranged on the upper edge of the hoistway side wall plate 18 to close the gap between the upper edge of the hoistway side wall plate 18 and the hoistway side ceiling plate 13.
[0020]
Further, a hoistway-side upward biasing device 36 configured similarly to the above-described base-side upward biasing device 23 is provided on the back surface of the hoistway-side upper closing plate 35 to bias the hoistway-side upper closing plate 35 upward. . A hoistway-side upper guide body 37 made of a synthetic resin such as ultrahigh molecular weight polyethylene and having a low friction performance is provided on the hoistway-side upper closing plate 35 and protrudes from the upper end of the hoistway-side upper closing plate 35. Are installed in contact with the hoistway side ceiling board 13.
[0021]
Further, a hoistway side lower closing plate 38 is arranged on the lower edge portion of the hoistway side wall plate 18 to close the gap between the lower edge portion of the hoistway side wall plate 18 and the hoistway side floor plate 10. Further, a hoistway side lower urging device 39 configured in the same manner as the above base side downward urging device 30 is provided on the back surface of the hoistway side lower closing plate 35 to urge the hoistway side lower closing plate 38 downward. .
[0022]
A hoistway side lower guide body 40 made of a synthetic resin such as ultra high molecular weight polyethylene and having a low friction performance is provided on the hoistway side lower closing plate 38 and protrudes from the lower end of the hoistway side lower closing plate 38. It arrange | positions and is equipped in contact with the inclined surface 12 of the hoistway side floor board 10 and the hoistway side floor board 10. FIG. In addition, an engagement mechanism 41 is provided on the back surfaces of the base side wall plate 16 and the hoistway side wall plate 18 so as to be able to mutually displace the two.
[0023]
That is, the engagement mechanism 41 is formed on the back surface of the base side wall plate 16 between the first engagement groove 42 and the first engagement groove 42 formed in the direction along the back surface. An engagement body 44 having a second engagement groove 43 that is spaced apart from each other is provided. Further, the engagement mechanism 41 is fitted with a first clearance plate formed on the back surface of the hoistway side wall plate 18 with a small gap in the entrance direction of the entrance / exit passage 7 with respect to the first engagement groove 42 of the engagement body 44. 45 and an engagement arm 47 having a second engagement plate 46 fitted in a wide space in the vertical direction with respect to the second engagement groove 43 of the engagement body 44.
[0024]
In the elevator base device for a base-isolated building constructed as described above, the car guide rails and the counterweight guide rails are arranged vertically at all times, that is, when the base isolation device is not deformed in the horizontal direction. The counterweight is moved up and down. In addition, as shown in FIG. 1, the base entrance 3 and the hoistway entrance 4 are always arranged at a predetermined distance from each other and arranged in a vertical posture.
[0025]
The hoistway side floor board 10 is superposed on the base side floor board 8 and the hoistway side ceiling board 13 is superposed on the base side ceiling board 9. Further, the hoistway side wall plate 18 is arranged on the inner surface of the boarding passage 7 in the base side wall plate 16, and both the base side wall plate 16 and the hoistway side wall plate 18 are moved in the direction of passage of the getting on / off passage 7 by the engagement mechanism 41. Is engaged in a displaceable manner and in a state in which the displacement is restricted in the entrance direction of the entrance / exit passage 7.
[0026]
Further, a base-side upper closing plate 21 is disposed so as to close the space between the upper edge of the base side wall plate 16 and the base side ceiling plate 9, and the space between the lower edge of the base side wall plate 16 and the base side floor plate 8 is disposed. A base-side lower closing plate 28 is disposed. A hoistway side upper closing plate 35 is disposed so as to block the gap between the upper edge of the hoistway side wall plate 18 and the hoistway side ceiling plate 13, and the hoistway side wall plate 18 is disposed between the lower edge of the hoistway side wall plate 18 and the hoistway side floor plate 10. A hoistway side lower closing plate 38 is arranged to close the gap.
[0027]
By the structure demonstrated above, the entrance / exit passage 7 which has a floor surface, a wall surface, and a ceiling surface without an extra clearance gap is always formed between the base entrance 3 and the hoistway entrance 4 as shown in FIGS. . And when an earthquake and a strong wind generate | occur | produce a horizontal direction deformation | transformation at the time of a strong wind, and the base building 1 and a base isolation building are displaced relatively, the base building 1, ie, the base doorway 3, and the hoistway doorway 4, ie, A relative displacement occurs between the hoistway 2 and the hoistway 2.
[0028]
At this time, the corresponding members of the getting-on / off passage 7 such as the base-side floor board 8 and the hoistway-side floor board 10 constituting the getting-on / off passage 7 are relatively displaced to correspond to the relative displacement of the base building 1 and the hoistway 2. Then, during an earthquake, a displacement occurred between the base entrance 3 and the hoistway 2 so that the upper part of the hoistway entrance 4 of the hoistway 2 falls in a direction approaching the base entrance 3 of the base building 1. In this case, the state shown in FIG.
[0029]
That is, the hoistway-side ceiling plate 13 approaches the base-side ceiling plate 9, and the position corresponding to the base-side upper guide body 27 of the opposing inclined surface 22 on the base-side upper closing plate 21 is pushed down by the inclined surface 15 as shown in FIG. Become. Further, due to the inclination of the hoistway side wall plate 18 shown in FIG. 5, the hoistway upper closing plate 35 is slid and displaced via the hoistway side upper guide body 37, and the hoistway side lower closing plate 38 moves the hoistway side lower guide body 40. Through the sliding displacement.
[0030]
Further, the hoistway side ceiling plate 13 is slidably displaced via a base side upper guide body 27 made of a member having low friction performance. For this reason, when the hoistway side ceiling board 13 moves closer to the base entrance 3, the hoistway side ceiling board 13 is smoothly slid and displaced. Further, the sliding displacement through the base-side upper guide body 27 does not cause damage such as scratches and peeling of the paint on the sliding portion, and the aesthetic appearance of the members related to the sliding displacement can be maintained. it can.
[0031]
Therefore, the constituent members of the entrance / exit passage 7 correspond to the relative displacement of both the base entrance 3 and the hoistway entrance 4 due to an earthquake or the like, and the relative displacement of the entrance / exit passage 7 is not abnormal. Can be solved. Since the base side lower blocking plate 28, the hoistway side upper closing plate 35, the hoistway side lower closing plate 38, and a guide body made of a member having low friction performance is provided between the opposing members, It is possible to prevent damage, deformation, and unpleasant squeaking noise during sliding displacement.
[0032]
In addition, each guide body of the base side upper guide body 27, the base side lower guide body 34, the hoistway side upper guide body 37, and the hoistway side lower guide body 40 can be easily configured as described below. That is, a caster roller is provided on a surface facing the facing member such as the hoistway ceiling plate 9 in the closing plate such as the base-side upper closing plate 21 and a plurality of the caster rollers are arranged apart from each other along the length of the facing surface. Thus, the guide body is configured. Also with such a configuration, the operation in the embodiment of FIGS. 1 to 6 can be obtained.
[0033]
【The invention's effect】
As described above, the present invention provides a base-isolated building supported by the base building via a base-isolating device, a hoistway provided in the base-isolating building and disposed opposite the base building, A boarding passage provided between the base building and the hoistway, a hoistway entrance provided in the hoistway and forming one side of the boarding passage, and the other side of the boarding passage formed in the base building A base-side entrance, a base-side ceiling plate that is arranged at the upper edge of the base entrance and protrudes toward the hoistway entrance, and an upper side that is placed at the upper edge of the hoistway entrance and pivots on one side via a horizontal axis The other side is arranged near the base entrance and exit and is superimposed on the lower surface of the base side ceiling plate, and the hoistway side ceiling plate in which the inclined surface with the tip inclined upward is formed at the tip and the side edge of the base entrance and exit One side is pivotally attached via a vertical axis, and the other side is arranged near the entrance of the hoistway. The base side wall plate is formed by forming a wall on the base entrance / exit side of the entrance / exit passage, the upper end is formed by forming a gap in the base side ceiling plate, and the side wall of the hoistway entrance / exit is provided, and one side has a vertical axis. The other side protrudes toward the base entrance and exits, is superposed on the base side wall plate and is engaged so as to be relatively displaceable in the direction along the opposing surfaces, and the wall surface on the hoistway entrance side of the entrance / exit passage And a hoistway side wall plate having an upper end formed with a gap formed in the hoistway side ceiling plate, and an upper edge portion of the base side wall plate arranged in a superposed manner so that the hoistway side wall plate can be raised and lowered. A base-side upper closing plate that is provided on the back surface of the base side wall plate and a base-side upper closing plate that closes the gap between the upper edge portion and the base-side ceiling plate and has an opposing slope corresponding to the inclined surface of the hoistway side ceiling plate. Is the base side upward biasing device biased upward and a member with low friction performance? The base side that is provided on the base side upper closing plate and is arranged so as to protrude from the upper end of the base side upper closing plate and faces the inclined surface of the base side ceiling plate, the hoistway side ceiling plate, and the hoistway side ceiling plate An upper guide body, and a hoistway side upper blocking plate that is arranged on the upper edge portion of the hoistway side wall plate and is mounted so as to be able to move up and down, and closes a gap between the upper edge portion of the hoistway side wall plate and the hoistway side ceiling plate; A hoistway side upper biasing device that is provided on the back surface of the hoistway side wall plate and biases the hoistway side upper blockage plate upward, and a hoistway side upper blockage plate made of a member having low friction performance. A hoistway-side upper guide body that is disposed so as to protrude from the upper end of the plate and that faces the hoistway-side ceiling plate surface is provided.
[0034]
As a result, the base entrance / exit and the hoistway entrance / exit are normally arranged at a predetermined distance from each other and are arranged in a vertical posture, and the hoistway side ceiling plate is superposed on the base side ceiling plate, and the hoistway side wall plate is placed on the base side wall plate. Are polymerized and arranged. In addition, a base-side upper blocking plate is disposed in the gap between the upper edge of the base side wall plate and the base-side ceiling plate, and a hoistway-side upper blocking plate is disposed in the gap between the upper edge of the hoistway side wall plate and the hoistway-side ceiling plate. The As a result, an entrance / exit passage having a wall surface and a ceiling surface with no excessive gaps is always formed near the upper portion between the base entrance / exit and the hoistway entrance / exit. And in the event of an earthquake or strong wind, horizontal deformation occurs in the seismic isolation device, and when the base building and the seismic isolation building are relatively displaced, both the base building, that is, the base entrance and the hoistway entrance, that is, the hoistway A relative displacement occurs between the two. At this time, the corresponding members of the getting-on / off passage corresponding to each other such as the base-side ceiling plate and the hoistway-side ceiling plate constituting the getting-on / off passage are relatively displaced to cope with both of the above-mentioned relative displacements. In the event of an earthquake, etc., and during both of the above, if there is a displacement that causes the upper part of the hoistway entrance to fall in a direction approaching the base entrance, the hoistway side ceiling plate moves toward the base side ceiling plate. The base-side upper guide body corresponding position of the opposing slope in the base-side upper closing plate is pushed down by the inclined surface of the hoistway-side ceiling plate. Further, the hoistway upper block plate slides and displaces via the hoistway side upper guide body due to the inclination of the hoistway side wall plate accompanying the operation of the hoistway side ceiling plate approaching the base side ceiling plate. Further, the hoistway side ceiling plate is slidably displaced via a base side upper guide body made of a member having low friction performance. For this reason, when the hoistway side ceiling plate moves closer to the base entrance, the hoistway side ceiling plate smoothly slides and displaces, so that the hoistway side ceiling plate and the hoistway upper closing plate are deformed or uncomfortable when sliding. It has the effect of preventing the occurrence of itching sound. In addition, since the hoistway side ceiling plate slides and displaces via the base side upper guide body, the aesthetic appearance of the members related to the sliding displacement is maintained without causing damage such as scratches or peeling of the paint on the sliding part. effective.
[Brief description of the drawings]
FIG. 1 is a longitudinal side view showing a first embodiment of the present invention.
FIG. 2 is a cross-sectional plan view of the main part of FIG.
FIG. 3 is a side view showing an outer surface of the hall device of FIG. 1;
4 is a longitudinal side view of the closing plate portion in FIG. 3. FIG.
FIG. 5 is a view corresponding to FIG. 1 for explaining the situation at the time of an earthquake.
FIG. 6 is a view corresponding to FIG. 3 for explaining the situation at the time of the earthquake.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Base building body, 2 hoistway, 3 base doorway, 4 hoistway doorway, 7 boarding passage, 9 base side ceiling board, 13 hoistway side ceiling board, 14 horizontal axis, 15 inclined surface, 16 base side wall board, 17 vertical axis , 18 hoistway side wall plate, 19 vertical axis, 21 base side upper closing plate, 22 facing slope, 23 base side upward biasing device, 27 base side upper guide, 35 hoistway side upper closing plate, 36 hoistway side upward biasing Device, 37 Hoistway side upper guide.

Claims (1)

A base-isolated building supported by a base building via a base-isolating device, a hoistway provided in the base-isolating building and disposed opposite to the base building, and the base building and hoistway An entrance / exit passage provided therebetween, a hoistway entrance / exit provided in the hoistway and forming one side of the entrance / exit passage, and a base entrance / exit provided in the base building and forming the other side of the entrance / exit passage A base-side ceiling plate disposed at the upper edge of the base entrance and protruding toward the hoistway entrance, and one side pivoted via a horizontal axis disposed at the upper edge of the hoistway entrance The other side is arranged near the base entrance / exit and is superimposed on the lower surface of the base side ceiling plate, and the hoistway side ceiling plate in which the inclined surface with the tip inclined upward is formed at the front end, and the side edge of the base entrance / exit One side is pivotally attached via a vertical axis, and the other side is A base side wall plate arranged near the road entrance and exit to form a wall on the base entrance / exit side of the boarding passage and having an upper end formed with a gap formed in the base side ceiling plate, and a side edge of the hoistway entrance and exit One side is pivotally attached via a vertical axis, and the other side is projected toward the base entrance / exit and overlaps with the base side wall plate and is engaged so as to be relatively displaceable along the opposing surfaces. The hoistway side wall plate that forms the wall surface on the hoistway entrance / exit side of the getting-on / off passage and the upper end of which is arranged with a gap formed in the hoistway side ceiling plate and the upper edge portion of the base side wall plate A base-side upper closing plate having a facing slope corresponding to the slope of the hoistway-side ceiling plate, which is disposed in a vertically movable manner, closes the gap between the upper edge of the base side wall plate and the base-side ceiling plate, and The base side upper part provided on the back surface of the base side wall plate A base-side upward biasing device that biases the closing plate upward, and a member having low friction performance, provided on the base-side upper closing plate, arranged so as to protrude from the upper end of the base-side upper closing plate, and A base side upper guide body equipped to face the inclined surface of the base side ceiling plate, the hoistway side ceiling plate, and the hoistway side ceiling plate, and the upper side edge portion of the hoistway side wall plate are overlapped and arranged so as to freely move up and down. A hoistway-side upper blocking plate that is mounted and closes the gap between the upper edge of the hoistway-side wall plate and the hoistway-side ceiling plate, and is provided on the back surface of the hoistway-side wall plate, and the hoistway-side upper closing plate is attached upward. The hoistway side upward urging device and a member having low friction performance are provided on the hoistway side upper closing plate and are arranged so as to protrude from the upper end of the hoistway side upper closing plate, on the hoistway side ceiling plate surface. The hoistway side upper part equipped facing A base device for an elevator for a base-isolated building having a guide body.

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