JP4619687B2 - Movable landing equipment for elevators for base-isolated buildings - Google Patents

Description

  In the present invention, a base isolation structure is supported by a base building via a base isolation device, and a hoistway is formed in the base building and the base isolation structure, and a boarding passage is provided between the hoistway and the building. The present invention relates to a movable landing device for a seismically isolated building elevator.

  In the conventional elevator base station for base-isolated buildings, the base-isolated building supported by the base building via the base-isolating device and the base-isolated building are arranged in a fitted state. A hoistway is provided, and an entrance / exit passage is disposed between the building and the hoistway. That is, a hoistway entrance / exit that is provided in the hoistway and forms one side of the entrance / exit passage is disposed, and a base portion that is provided in the base building and is disposed opposite the hoistway entrance / exit to form the other side of the entrance / exit passage A doorway is equipped.

  And as the boarding / alighting passage, for example, it is arranged in a nested manner inside the cylindrical boarding / alighting passage main body that is slidably guided by the wall boarding / alighting opening, and the tip is with respect to the boarding / alighting opening of the base isolation hoistway A cylindrical movable middle cylinder connected so as to be relatively movable in the left-right direction, and a rear end fixed on the floor of the getting-on / off floor, and below the fixed plate slidably superimposed on the floor plate of the movable middle cylinder There is an elevator entrance / exit structure including a spring device that is fixedly disposed on the passenger floor and that constantly presses and urges the passenger passage main body toward the front end as a position restoring mechanism (see, for example, Patent Document 1).

JP 11-335023 A

  In the conventional elevator entrance / exit structure, the three-side frame on the base side is fixed to the building body, and the three-way frame on the hoistway side is fixed to the base fixed side against displacement in the horizontal direction, which is perpendicular to the direction of getting on and off. It is slidably movable with the three-way frame, and has a structure that is only displaced by a movable sill mechanism arranged in a nested manner only in the direction of getting on and off. Therefore, since the three-side frame on the base side is fixed to the building body, it can follow the displacement at the time of the earthquake in the horizontal direction, but the three-way frame on the hoistway side rises as the actual displacement at the time of the earthquake, and the movable side is movable. There was a problem that it was not possible to follow the displacement of the threshold. Moreover, when the displacement which the movable side movable sill lifts generate | occur | produced, there existed a problem of destroying the movable floor of a fixed side.

  The present invention has been made to solve such a problem, and even if the fixed-side movable floor board floats at the time of the occurrence of an earthquake, the lower part of the vertical column of the fixed-side entrance three-way frame on the base building side is not destroyed. It is intended to provide a movable landing device for an elevator for a base-isolated building equipped with a movable mechanism.

In the movable landing device for an elevator for a base-isolated building according to the present invention, the base-isolated building is supported by the base building via the base-isolating device, and a hoistway is formed in the base and the base-isolated building, A boarding passage is provided between the hoistway and the building, a fixed doorway is provided on the building side of the boarding passage, and a movable doorway is provided on the hoistway side of the boarding passage. A fixed-side entrance / exit three-way frame that forms a fixed entrance / exit frame, a fixed-side movable floor plate that is provided on the building side of the entrance / exit passage and forms a floor plate of the fixed entrance / exit, and a lower surface of the fixed-side movable floor plate that is provided on the hoistway side of the entrance / exit passage A movable-side movable floor plate disposed so as to be constantly superposed on the outer wall, and an engaging portion formed of a movable mechanism provided at a connecting portion between the lower end portion of the vertical column of the fixed-side entrance and exit three-way frame and the fixed-side movable floor plate. provided, or movable mechanism The engaging portion formed on the fixed side movable floor plate and the lower end portion of the vertical column of the fixed side entrance / exit three-way frame is a hollow that fits the engaging projection in a slidable and loosely fitted state. It consists of parts .

  Furthermore, a fixed-side movable floor plate that is pivotally supported on the building side of the entrance / exit passage so as to be pivotable in the vertical direction and forms a floor plate of the fixed entrance / exit, and a fixed-side entrance / exit that excludes a side edge portion on the hoistway entrance / exit side of the fixed-side movable floor plate. It is provided on the fixed side landing floor facing the bent part and the bent part formed by bending the side edge part and the left and right side edge parts downward, and is always fixed and accommodates when an earthquake occurs The housing includes a receiving groove having such a depth that the lower end portion of the bent portion does not protrude onto the fixed-side landing floor even when the side movable floor plate is lifted.

The invention includes a fixed-side entrance / exit three-way frame provided on the building side of the entrance / exit passage and forming a fixed entrance / exit frame; a fixed-side movable floor plate provided on the side of the entrance / exit passage forming the fixed entrance / exit; The movable side movable floor plate provided on the road side and arranged so as to be constantly superposed on the lower surface of the fixed side movable floor plate, and provided at the connecting portion between the lower end portion of the vertical column of the fixed side doorway three-way frame and the fixed side movable floor plate. An engaging portion made of a movable mechanism, and the engaging portion made of a movable mechanism is formed on an engaging protrusion provided on the fixed-side movable floor plate and a lower end portion of a vertical column of the fixed-side entrance / exit three-way frame. Since the engagement protrusion is slidable and has a hollow part that fits loosely , even if the fixed movable floor is lifted in the event of an earthquake, the lower part of the vertical column of the fixed side entrance three-way frame on the base building side is destroyed. There is an effect that there is nothing to do.

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 at the time of the earthquake of the elevator for a base-isolated building in FIG. 1, and FIG. 3 is an embodiment for carrying out the present invention. FIG. 4 is an enlarged view showing the engagement mechanism between the movable floor and the vertical column lower part of the three-side frame on the base building side, and FIG. 5 explains the situation at the time of the earthquake. FIG. 6 is an equivalent view of FIG. 4 for explaining the situation at the time of the earthquake, FIG. 7 is a side view showing the structure of the engaging mechanism of the movable column and the vertical column lower part of the three-sided frame on the base building side, and FIG. Sectional drawing along line 7A-A showing the relationship between the fixed-side movable floor of the movable floor and the floor portion on the building side, FIG. 9 explains that the passenger's feet or the like are not caught even when the movable floor is lifted up. FIG.

  1 to 9, a base building 2 is constructed on the ground 1, and a base isolation building 4 is supported by a base isolation device 3 on the base building 2. And the hoistway 5 longitudinally passed through the base building 2 and the seismic isolation building 4 is provided, and a plurality of movable hoistway frames extending from the upper part of the base building 2 to the lower part of the seismic isolation building 4 in the hoistway 5. 6 are arranged apart from each other. Further, a boarding passage 7 is provided between the base building body 2 and the movable hoistway frame 6.

  Then, a car 9 that raises and lowers the hoistway 5 is guided by a car guide rail 8 that is erected on the hoistway 5 and connected to the movable hoistway frame 6, and is also erecting on the hoistway 5 and moved to the movable hoistway frame. The counterweight 11 that moves up and down the hoistway 5 is guided to the counterweight guide rail 10 connected to the counter 6.

  Moreover, the machine room 12 is provided in the upper part of the seismic isolation building 4, the hoisting machine 13 is installed, the main rope 14 is wound around the driving sheave, and the cage | basket | car 9 is counterweighted at the other end. 11 is suspended. A shock absorber 15 is erected on the bottom surface of the hoistway 5 so as to face each of the car 9 and the counterweight 11.

  Also, a hoistway entrance / exit three-way frame 16 is provided on the movable hoistway frame 6 side, which is one side of the entrance / exit passage 7, and a landing door 17 that opens and closes the hoistway entrance / exit three-way frame 16 and a lower edge of the hoistway entrance / exit three-way frame 16. A threshold 18 for guiding the lower end of the landing door 17 is provided in the section. And the fixed side entrance three-way frame 19 which forms the other side of the entrance / exit passage 7 is provided in the base building 2 and the seismic isolation building 4 side facing the hoistway entrance three-way frame 16.

  A fixed-side movable floor plate 20 arranged at the lower edge of the fixed-side entrance / exit three-way frame 19 and projecting toward the hoistway entrance-and-exit three-way frame 16 is pivotally coupled by a hinge 20a so as to be rotatable in the vertical direction. Has been. The fixed-side movable floor plate 20 is provided with a bent portion 20b that is bent downward at the side edge portion on the fixed side entrance / exit side excluding the side edge portion on the hoistway entrance / exit side and the left and right side edges, The fixed landing floor facing the bent portion 20b normally accommodates all the bent portions 20b, and the lower end of the bent portion 20b remains at the landing floor even if the fixed movable floor plate 20 is lifted when an earthquake occurs. An accommodation groove 20c having a depth that does not protrude upward is provided. Further, a fixed-side ceiling plate 21 is provided which is disposed at the upper edge of the fixed-side entrance / exit three-way frame 19 and projects toward the hoistway entrance-and-exit three-way frame 16. In addition, one side is pivotally attached to the side edge of the fixed side entrance / exit three-way frame 19 via a vertical axis, the other side is disposed closer to the hoistway entrance / exit side three-way frame 16, and the upper end forms a gap in the fixed side ceiling plate 21. The fixed side wall board 23 arrange | positioned by forming the space | gap in the fixed side movable floor board 20 and arrange | positioning a lower end is provided. Thereby, the fixed side movable floor, fixed side wall, and fixed ceiling of the getting-on / off passage 7 are formed.

  On the other hand, the movable movable floor, movable side wall, and movable ceiling of the entrance / exit passage 7 are configured as follows. A movable movable floor plate 24 is arranged at the lower edge of the hoistway entrance / exit three-way frame 16, one side is pivotally attached via a horizontal axis 25, and the other side is arranged closer to the fixed side entrance / exit three-side frame 19 to be fixed side movable. It is always superposed on the lower surface of the floor board 20. This movable side movable floor plate 24 is superposed on the lower surface of the fixed side movable floor plate 20 with a considerable distance, and when the earthquake occurs, the overlapping distance between the movable side movable floor plate 24 and the fixed side movable floor plate 20 is as shown in FIG. The floor surface of the getting-on / off passage 7 is ensured even if it changes as the superposition distance is small). Moreover, the movable side wall 27 and the movable ceiling 28 of the boarding / alighting passage 7 are respectively configured by a plurality of, for example, three portal type stainless steel plates. The movable side wall 27 and the movable ceiling 28 made of this portal stainless steel plate are slidably fitted inside the fixed ceiling plate 21 and the fixed side wall plate 23, and the first movable side wall 27a and the first movable ceiling 28a. A second movable side wall 27b and a second movable ceiling 28b slidably fitted inside the first movable side wall 27a and the first movable ceiling 28a, and the second movable side wall 27b and the second movable ceiling. This is a three-layer structure composed of a third movable side wall 27c and a third movable ceiling 28c that are slidably fitted inside 28b. The movable side wall 27 and the movable ceiling 28 of the getting-on / off passage 7 are expanded and contracted at the portions slidably fitted to each other when an earthquake occurs, and are displaced as shown in FIG. Note that the movable hoistway frame 6 side ends of the third movable side wall 27c and the third movable ceiling 28c are pivotally attached via a vertical axis and a vertical axis.

  In addition, at the upper and lower two locations outside the fixed side wall plate 23 and the movable side walls 27a to 27c of the getting-on / off passage 7, vertical telescopic connection links 30 comprising pantograph operation mechanisms are provided. Both ends of the telescopic connection link 30 are pivotally supported by the fixed side wall plate 23 and the third movable side wall 27c by pivot pins 30a and 30b. The pivot pins 30c and 30d in the middle part of the telescopic connecting link 30 in the vertical direction are pivotally supported by the first movable side wall 27a and the second movable side wall 27b, respectively. A vertically long slot 31 into which the pivot pins 30c and 30d are inserted is provided in the pivotal portion of the movable side wall 27b. Similarly, horizontal expansion / contraction link 32 comprising a pantograph operation mechanism is provided at the left and right two locations outside the fixed ceiling plate 21 and the movable ceilings 28a to 28c of the entrance / exit passage 7. Both ends of the horizontal expansion / contraction link 32 are pivotally supported on the fixed ceiling plate 21 and the third movable ceiling 28c by pivot pins 32a and 32b. The pivot pins 32c and 32d at the intermediate portion of the telescopic connecting link 32 are pivotally supported by the first movable ceiling 28a and the second movable ceiling 27b, respectively, and the first movable ceiling 28a and the second movable ceiling 28b. A vertically long slot into which the pivot pins 32c and 32d are inserted is provided in the pivotal support portion.

  In this invention, without fixing the vertical column lower end part of the fixed side entrance three-way frame 19 which is the base building side, only the left and right vertical column side surfaces and the ceiling part are fixed, and further the vertical column of the fixed side entrance three-side frame 19 An engaging portion made of a smooth movable mechanism is provided at a connecting portion between the lower end portion and the fixed-side movable floor plate 20 that changes following the lifting of the movable-side movable floor plate 24 when an earthquake occurs. It is what. That is, on the fixed-side movable floor plate 20, an engaging projection 20d having a smooth curved top shape is pivotally supported via a spherical seat mechanism (not shown). On the other hand, at the lower end of the vertical column of the fixed side entrance / exit three-way frame 19, a hollow portion 19 a is formed in which the curved engagement protrusion 20 d is slidable with a predetermined gap and is fitted loosely. . Thereby, an inexpensive and safe movable mechanism can be provided without destroying the vertical column of the fixed side entrance three-way frame 19 which is the building side even when an earthquake occurs.

  In the movable landing device for an elevator for a base-isolated building constructed as described above, the car guide rail 8 and the counterweight as shown in FIG. 1 at all times, that is, when the base-isolation device 3 is not deformed in the horizontal direction. The guide rail 10 is vertically arranged, and the plurality of movable hoistway frames 6 are arranged on the vertical line so as to be separated from each other in the vertical direction. Then, the car 9 and the counterweight 11 are moved up and down in the state shown in FIG.

  Further, at all times, the hoistway entrance 16 and the fixed side entrance 19 are arranged at a predetermined interval from each other and are arranged in a vertical posture. Then, the movable movable floor plate 24 is arranged under a sufficient distance under the fixed movable movable plate 20. The first movable ceiling 28a is superposed on the lower surface of the fixed ceiling plate 21, the second movable ceiling 28b is superposed on the lower surface thereof, and the third movable ceiling 28c is superposed on the lower surface thereof at substantially equal intervals. Arranged. In addition, the first movable side wall 27a is superposed on the inner surface of the entrance / exit passage 7 of the fixed side wall plate 23, the second movable side wall 27b is arranged on the lower surface thereof, and the third movable side wall 27c is arranged on the lower surface thereof at substantially equal intervals. It is polymerized and arranged.

With the configuration described above, as shown in FIGS. 3 and 4, the entrance / exit passage 7 without a gap is formed on the floor surface, the wall surface, and the ceiling surface at all times, and the entrance / exit passage 7 having an aesthetic appearance can be realized. When the base building 2 and the seismic isolation building 4 are relatively displaced during the earthquake and the seismic isolation device 3 is deformed in the horizontal direction, the car is located at the position where the movable hoistway frame 6 is arranged as shown in FIG. The guide rail 8 and the counterweight guide rail 10 are bent due to elastic deformation.
When the car guide rail 8 or the like is bent, the movable hoistway frame 6 holds the car guide rail 8 and the counterweight guide rail 10 in a horizontal position at a predetermined position.

In this state, when a displacement occurs in which the movable hoistway frame 6 falls in the direction of passage of the entrance / exit passage 7 as shown in FIG. 2 with respect to the fixed side entrance 19 of the base building 2, FIG. 6. The state shown in FIG. 7 is obtained, and the movable side movable floor plate 24 is lifted. As a result, the fixed-side movable floor plate 20 placed on the movable-side movable floor plate 24 also lifts upward with the hinge 20a as an axis, but the top outer shape of the fixed-side movable floor plate 20 exhibits a smooth curved surface. The engagement protrusion 20d is pivotally supported via a spherical seat mechanism, and the curved engagement protrusion 20d has a predetermined gap at the lower end of the vertical column of the fixed side entrance / exit three-way frame 19. Since the hollow portion 19a that is slidable and fitted in a loosely fitted state is formed, an inexpensive and safe movable mechanism without breaking the vertical column of the fixed-side entrance three-way frame 19 that is the building side even when an earthquake occurs Can be provided.
Further, as shown in FIGS. 8 and 9, even when the fixed-side movable floor plate 20 is lifted upward with the hinge 20 a as an axis, a gap is formed between the landing floor surface and the bent portion 20 b of the fixed-side movable floor plate 20. Since it was configured not to be performed, a movable landing device for a seismically isolated elevator that is safe from being caught by passengers' feet or the like can be obtained.

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. It is a side view which shows the movable landing apparatus of the elevator for seismic isolation buildings in Embodiment 1 of this invention. It is an enlarged view which shows the engagement mechanism of the vertical column lower part of a movable floor and the base building side three-way frame. FIG. 4 is a diagram corresponding to FIG. 3 for explaining the situation at the time of an earthquake. FIG. 5 is a diagram corresponding to FIG. 4 for explaining the situation at the time of an earthquake. It is a side view which shows the structure of the engagement mechanism of the vertical column lower part of a movable floor and the base building side three-sided frame. FIG. 8 is a cross-sectional view taken along the line AA of FIG. 7, showing the relationship between the fixed movable floor of the movable floor and the floor on the building side. It is a figure for demonstrating that a passenger | crew's leg etc. are not pinched | interposed even in the state where the movable floor was lifted.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Earth 2 Base building 3 Seismic isolation device 4 Seismic isolation building 5 Hoistway 6 Movable hoistway frame 7 Entrance / exit passage
8 Car guide rails
9 baskets
10 Counterweight guide rails 11 Counterweights 12 Machine room
13 Hoisting machine
14 main rope 15 shock absorber 16 hoistway doorway three-way frame 17 landing door 18 sill 19 fixed side doorway three side frame 19a hollow part 20 fixed side movable floor plate 20a hinge 20b bent part
20c receiving groove
20d engagement protrusion
21 Fixed ceiling plate
23 Fixed side wall plate
24 Movable floor board
25 Horizontal axis 27 Movable side wall
27a-27c 1st-3rd movable side wall
28 Movable ceiling 28a-28c 1st-3rd movable ceiling
30 Vertical link link (pantograph operation mechanism)
30a-30d pivot pin 31 slot 32 horizontal expansion / contraction link (pantograph operation mechanism)
32a-32d pivot pin

Claims (4)

The base building is supported by a base isolation device through a base isolation device, and a hoistway is formed in the base building and the base isolation building, and a boarding passage is provided between the hoistway and the building. In the elevator apparatus for a seismic isolation building in which the fixed entrance is provided on the building side of the entrance / exit passage and the movable entrance is provided on the hoistway side of the entrance / exit passage,
A fixed-side doorway three-way frame that is provided on the building side of the boarding passage and forms a fixed doorway frame;
A fixed-side movable floor plate that is provided on the building side of the boarding passage and forms a floor plate of a fixed doorway;
A movable-side movable floor plate provided on the hoistway side of the getting-on / off passage and disposed so as to be constantly superposed on the lower surface of the fixed-side movable floor plate;
An engaging portion comprising a movable mechanism provided at a connecting portion between the lower end portion of the vertical column of the fixed side entrance and exit three-way frame and the fixed side movable floor plate;
The engaging portion made of the movable mechanism is formed on an engaging protrusion provided on the fixed-side movable floor plate and a lower end portion of a vertical column of the fixed-side entrance / exit three-way frame, and the engaging protrusion is slidable and freely movable. A movable landing device for an elevator for a base-isolated building, characterized by comprising a hollow portion fitted in a fitted state.   The movable landing apparatus for an elevator for a seismic isolation building according to claim 1, wherein the top shape of the engaging protrusion is a curved surface.   The movable landing apparatus for an elevator for a seismic isolation building according to claim 1 or 2, wherein the engaging protrusion is pivotally supported on the fixed movable floor plate via a spherical seat mechanism. The base building is supported by a base isolation device through a base isolation device, and a hoistway is formed in the base building and the base isolation building, and a boarding passage is provided between the hoistway and the building. In the elevator apparatus for a seismic isolation building in which the fixed entrance is provided on the building side of the entrance / exit passage and the movable entrance is provided on the hoistway side of the entrance / exit passage,
A fixed-side doorway three-way frame that is provided on the building side of the boarding passage and forms a fixed doorway frame;
A fixed-side movable floor plate that is pivotally supported in the vertical direction on the building side of the boarding passage and forms a floor plate of a fixed doorway;
A bent portion formed by bending the side edge of the fixed side entrance and the left and right side edges excluding the side edge on the hoistway entrance side of the fixed side movable floor plate, and
It is provided on the fixed landing floor facing the bent portion, and always accommodates the bent portion, and the lower end of the bent portion is fixed on the fixed landing floor even when the fixed movable floor is lifted when an earthquake occurs. A receiving groove having a depth that does not protrude upward;
A movable-side movable floor plate provided on the hoistway side of the getting-on / off passage and disposed so as to be constantly superposed on the lower surface of the fixed-side movable floor plate ;
An engaging portion comprising a movable mechanism provided at a connecting portion between the lower end portion of the vertical column of the fixed side entrance and exit three-way frame and the fixed side movable floor plate;
The engaging portion made of the movable mechanism is formed on an engaging protrusion provided on the fixed-side movable floor plate and a lower end portion of a vertical column of the fixed-side entrance / exit three-way frame, and the engaging protrusion is slidable and freely movable. A movable landing device for an elevator for a base-isolated building, characterized by comprising a hollow portion fitted in a fitted state.

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