JP2009126607A - Landing device of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a landing device of an elevator allowing supporting of a hunger case and a landing jamb by a common length dimension member and reduction of installation cost, even if inter-floor dimensions are different for every floor. <P>SOLUTION: In a second flange part 10b of a building beam 10, an upper end part of each of a pair of vertical frame extension pillars 12 is mounted via a pair of building beam side pillar supporting mechanisms 11. A lower end part of each of the vertical frame extension pillars 12 is mounted in a height direction intermediate part of a vertical frame 5 via a jamb connecting member 13. A height direction intermediate part of the vertical frame extension pillar 12 is mounted at an end part of the length direction of an upper frame 6 via the jamb connecting member 13. In a slightly upper portion from the upper frame 6 of the vertical frame extension pillar 12, the hunger case 15 is mounted via a hunger case connecting member 14. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an elevator hall device having a mechanism for supporting a hanger case on which a hall door is suspended.

  In general, in an ALC structure building using an ALC (Autoclaved Lightweight aerated Concrete) panel and a steel frame, the anchor bolt for supporting the hanger case cannot be fixed to the wall surface of the hoistway. For this reason, in a conventional elevator landing door opening / closing device, a pair of support pillars are erected on the landing floor in the hoistway, and the upper ends of the support pillars are provided above the landing doorway (upper floor side doorway). The hanger case and the landing three-way frame are supported by the support pillars (see, for example, Patent Document 1).

  In addition, in a conventional elevator landing device, the landing three-way frame is supported by a pair of building columns (vertical members) standing in the hoistway so as to pass through both ends of the entrance / exit of each floor of the building. . A hanger case is attached to the building pillar via a lateral bracket, and the hanger case is supported by a hanger case support column and a building column that are erected on the landing floor in the hoistway (for example, Patent Document 2). reference).

Japanese Utility Model Publication No. 58-192874 Japanese Patent Laid-Open No. 5-78072

  Here, the floor dimensions in a building may differ from floor to floor. In such a case, when installing a conventional elevator landing door opening and closing device as shown in Patent Document 1, the floor space between the floors is different. It was necessary to prepare (arrange) support columns having a size (length dimension) suitable for the interval in advance. In addition to this, when the size of the support pillar is increased, there is a problem that the installation cost of the landing device such as the manufacturing cost of the member, the member storage cost, and the member transport cost is increased.

  Moreover, in the conventional elevator landing apparatus as shown in Patent Document 2, it is necessary to erect a pair of building columns in the hoistway so as to pass through both ends of the entrance / exit of each floor of the building. Similar to the case shown in Document 1, the installation cost of the hall device was high.

  The present invention has been made to solve the above-described problems, and supports the hanger case and the landing three-way frame with members having a common length dimension even when the distance between floors is different. It is possible to obtain an elevator landing apparatus that can reduce installation costs.

  The elevator landing apparatus according to the present invention includes a pair of vertical frames erected on the landing floor along the side of the landing entrance, and a ceiling frame of the landing entrance that connects the vertical frames to each other in the entrance direction of the landing entrance. A three-way frame with an upper frame along the top and a building beam spaced above the landing doorway in the hoistway and spaced from the landing doorway, and the lower end is attached to the vertical frame, the upper frame and the building It is provided with a pair of vertical frame extension columns to which a hanger case for supporting a landing door panel is attached at a position between the beams.

  In the elevator landing apparatus according to the present invention, the lower end portion of the vertical frame extension column connected to the building beam is attached to the vertical frame, and the hanger case is attached to a location between the upper frame of the vertical frame extension column and the building beam. Therefore, even if the inter-floor dimensions differ from floor to floor, by changing the mounting position of the vertical frame extension column in the vertical frame as appropriate according to the installation environment, the hanger case and the common length dimension member The landing three-way frame can be supported, the versatility of the members can be improved, and the installation cost can be reduced.

The best mode for carrying out the present invention will be described below with reference to the drawings.
Embodiment 1 FIG.
1 is a side view showing an elevator landing apparatus according to Embodiment 1 of the present invention. FIG. 2 is an enlarged side view showing a lower floor side landing in FIG.
In the figure, a building 1 is a building having an ALC structure, and is constructed by a building material including an ALC panel and a steel frame. Further, the building 1 is provided with a hoistway 1a separated from a landing on each floor by a landing wall 1b. A car 2 is suspended by a rope 3 in the hoistway 1a. The car 2 is moved up and down in the hoistway 1a by a driving force of a hoisting machine (not shown) provided in the hoistway 1a.

  The hall on each floor of the building 1 is provided with a hall entrance 1c and a hall floor 1d. A landing three-way frame 4 is provided at the landing entrance 1c. The landing three-way frame 4 includes a pair of vertical frames 5 standing on the landing floor 1d and extending along the sides of the landing doorway 1c, and an upper frame 6 connecting the upper ends of the pair of vertical frames 5 and extending along the entrance direction of the landing doorway 1c. have. The lower end of the vertical frame 5 is fixed to the landing floor 1d by anchor bolts being screwed into the landing floor 1d.

  The vertical frame 5 has a substantially U-shaped cross section, a landing side surface portion 5a disposed on the landing side, a hoistway side surface portion 5b disposed on the hoistway 1a side and facing the landing side surface portion 5a, And an intermediate surface portion 5c along the depth direction of the landing entrance 1c. A plurality of connecting reinforcing members 7 are attached between the landing side surface portion 5a and the hoistway side surface portion 5b at intervals in the height direction of the vertical frame 5.

  The upper surface of the landing floor 1d is covered with a floor finishing member 8. A landing threshold 9 is provided at the end of the landing floor 1d on the hoistway 1a side. On the upper surface of the landing sill 9, a sill groove 9a is provided along the frontage direction of the landing doorway 1c. On the ceiling surface above the landing doorway 1c in the hoistway 1a (the lower surface of the landing floor 1d on the upper floor side), a building beam (landing beam) 10 having an H-shaped cross section is provided. The building beam 10 is supported by a plurality of building columns (not shown) standing on a building base (not shown). In other words, the landing floor 1 d is supported from the building pillar via the building beam 10.

  The building beam 10 includes a first flange portion 10a disposed on the upper side in the height direction, a second flange portion 10b disposed on the lower side in the height direction and facing the first flange portion 10a, the first flange portion 10a, and the second flange. It has the web part 10c which connects the part 10b. The upper end portions of the pair of vertical frame extension columns 12 are attached to the second flange portion 10b via the pair of building beam side column support mechanisms 11, respectively.

  The vertical frame extension column 12 is made of a lip groove steel, and the vertical frame extension column 12 is provided with a lip groove 12a along the height direction. The lower end portion of the vertical frame extension column 12 is attached to the intermediate portion in the height direction of the vertical frame 5 via the three-way frame connecting member 13. Further, the intermediate portion in the height direction of the vertical frame extension pillar 12 is attached to the end portion in the length direction of the upper frame 6 via the three-way frame connecting member 13. Furthermore, a hanger case 15 having a substantially box shape is provided at a location between the upper frame 6 of the vertical frame extension pillar 12 and the building beam 10 (a location slightly above the upper frame 6) via a hanger case connection member 14. Is attached. That is, the hanger case 15 is supported by the vertical frame 5 via the vertical frame extension pillar 12.

  The hanger case 15 is provided with a hanger rail (not shown) along the frontage direction of the hall entrance 1c. A landing door panel 16 that opens and closes the landing entrance 1c is suspended from the hanger rail. That is, the hanger case 15 supports the landing door panel 16. The opening / closing movement of the landing door panel 16 is guided by the hanger rail. A leg portion 16 a is provided at the lower end portion of the landing door panel 16. The leg portion 16a is inserted into the sill groove 9a.

  The landing door panel 16 can be connected to a car door panel that opens and closes the car doorway. Further, the landing door panel 16 is opened and closed in conjunction with the car door panel by a driving force of a car door panel driving device (not shown) provided in the car 2 when connected to the car door panel.

  In addition, in the hall on the top floor among the three halls shown in FIG. 1, the end of the hall sill 9 on the hoistway 1a side is from the building beam 10 arranged immediately below the hall sill 9 to the hanger case 15. A door guard plate 17 is attached so as to separate the space from the lift area of the car 2. Further, in the hall on the intermediate floor among the three halls shown in FIG. 1, the end of the hall sill 9 on the hoistway 1 a side is from the building beam 10 arranged directly below the hall sill 9 to the hanger case 15. A door guard plate 17 and a joint plate (fusher plate) 18 are attached so as to separate the space from the lift area of the car 2.

  Next, the connection relationship between the vertical frame extension column 12 and the building beam 10 will be described. FIG. 3 is an enlarged side view showing a portion III in FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. FIG. 5 is an exploded perspective view showing a V portion of FIG. 2 in an enlarged manner. FIG. 6 is an enlarged plan view showing the pressing plate 24 of FIG. FIG. 7 is an enlarged side view showing the pressing plate 24 of FIG. The building beam side column support mechanism 11 includes a building beam fixing bracket 19, a clip body 20, a push bolt 21, a bolt 22, and a washer 23. Inside the vertical frame extension column 12, there are provided a pressing plate 24, a bolt 25 fixed to the pressing plate 24, and a seat plate 26 joined to the edge of the lip groove 12 a on the inner wall of the vertical frame extension column 12. The vertical frame extension column 12 is connected to the building beam 10 by the building beam side column support mechanism 11 and the push plate 24, the bolt 25, and the seat plate 26 as inner wall joining pieces.

  The building beam fixing bracket 19 is disposed at one end in the length direction of the rectangular bracket-side joint surface portion 19a that is joined to the second flange portion 10b, and at one end in the width direction of the second flange portion 10b. A first engaging portion 19b that engages (hangs), a first bent portion 19c that is disposed at the other end in the length direction of the metal fitting side joint surface portion 19a and is bent upward, and a short side of the second flange portion 10b And a column connecting portion 19d bent downward from one end in the direction.

  Between the central part in the length direction of the metal fitting side joining surface part 19a and the first bent part 19c, a long hole 19e is provided along the length direction of the metal fitting side joining surface part 19a. A screw hole 19f is provided in a central portion in the length direction of the first bent portion 19c. A pair of mounting holes 19g are provided at the center of the column connecting portion 19d at intervals in the width direction of the second flange portion 10b. The push bolt 21 is screwed into the screw hole 19f and passes through the first bent portion 19c.

  The clip body 20 is a rectangular clip body central surface portion 20a and a second member that is disposed at one end of the clip body central surface portion 20a in the short direction and engages (hooks) the other end of the second flange portion 10b in the width direction. A joint portion 20b and a second bent portion 20c disposed at the other end in the short direction of the clip body central surface portion 20a and bent upward are provided. A screw hole 20d is provided in the central portion of the clip body central surface portion 20a.

  A bolt 22 is inserted into the long hole 19e from below through a washer 23, and the bolt 22 is screwed into the screw hole 20d. That is, the clip body 20 is attached to the building beam fixing bracket 19 by the bolt 22 being inserted through the long hole 19e and screwed into the screw hole 20d. The second bent portion 20 c is in contact with the distal end portion of the push bolt 21. The clip body 20 is pushed toward the first engagement portion 19b side by being pressed by the tip end portion of the push bolt 21. That is, the position of the second engagement portion 20b of the clip body 20 can be adjusted to the first engagement portion 19b side and the anti-first engagement portion 19b side by the tightening position of the push bolt 21 with respect to the screw hole 19f. .

  The shape of the pressing plate 24 is a substantially parallelogram shape. Both end portions on the obtuse angle side of the pressing plate 24 constitute chamfered portions 24a. At both ends on the acute angle side of the pressing plate 24, pressing portions (claw portions) 24b as holding portions are provided. In addition, a pair of bolts 25 are fixed (welded and fixed) to the central portion of the push plate 24 at intervals. The length of the bolt 25 is smaller than the groove width of the lip groove 12a.

  Here, as shown in FIG. 8, the push plate 24 is inserted into the vertical frame extension pillar 12 so as to be orthogonal to the opening surface of the lip groove 12a. Further, the push plate 24 can be displaced along the lip groove 12a inside the vertical frame extension column 12 (shown by a solid line arrow in FIG. 8). Further, since the chamfered portion 24a is formed, the push plate 24 can be rotated inside the vertical frame extending column 12 (indicated by broken arrows in FIG. 8). Then, the pressing plate 24 is rotated so that the shaft of the bolt 25 protrudes from the lip groove 12 a to the outside of the vertical frame extension column 12, so that the pressing portions 24 b at both ends touch the inner wall of the vertical frame extension column 12. The inner wall of the vertical frame extension column 12 is pressed outward by the pressing portion 24b. That is, when the pressing portion 24 b comes into contact with the inner wall of the vertical frame extension column 12, the press plate 24 is assembled in the vertical frame extension column 12, and the position of the press plate 24 is maintained in the vertical frame extension column 12. .

  Each bolt 25 of the pressing plate 24 passes through a pair of mounting holes 26a provided in the seat plate 26, the lip groove 12a, and the mounting holes 19g of the column connecting portion 19d. A washer 27 is inserted into the tip of the bolt 25 and a nut 28 is screwed together. Thereby, the vertical frame extension column 12 and the second flange portion 10 d are connected to each other, and the vertical frame extension column 12 is supported from the building beam 10.

  Next, the connection relationship between the vertical frame extension pillar 12 and the hanger case 15 will be described. FIG. 9 is an enlarged side view showing the IX portion of FIG. 10 is a cross-sectional view taken along line XX of FIG. FIG. 11 is an exploded perspective view showing the XI portion in FIG. 2 in an enlarged manner. The hanger case connecting member 14 is a metal plate bent in an L-shaped cross section, a connecting member first surface portion 14 a for connecting to the vertical frame extension pillar 12, and a connecting member second for connecting to the hanger case 15. And a surface portion 14b. The connecting member first surface portion 14a is provided with a pair of attachment holes 14c. The connecting member second surface portion 14b is provided with a pair of attachment long holes 14d.

  The bolt 25 of the pressing plate 24 provided inside the vertical frame extension pillar 12 passes through the mounting hole 26a of the seat plate 26, the lip groove 12a, and the mounting hole 14c of the connecting member first surface portion 14a. A washer 27 is inserted into the tip of the bolt 25 and a nut 28 is screwed together. Thereby, the vertical frame extending column 12 and the hanger case connecting member 14 are connected to each other.

  A pair of mounting holes (not shown) are provided on the upper surface of the hanger case 15. A seat plate 29 is provided inside the hanger case 15. The seat plate 29 is provided with a pair of screw holes 29a. Bolts 30 are inserted into the attachment long holes 14d of the connection member second surface portion 14b, and the bolts 30 are screwed into the screw holes 29a of the seat plate 29 through the attachment holes on the top surface of the hanger case 15. Yes. That is, the hanger case connecting member 14 and the hanger case 15 are connected to each other when the bolt 30 is screwed into the screw hole 29 a of the seat plate 29.

  Next, the connection relationship between the vertical frame extension pillar 12 and the upper frame 6 will be described. FIG. 12 is an enlarged side view showing a portion XII in FIG. 13 is a cross-sectional view taken along line XIII-XIII in FIG. 14 is an enlarged perspective view showing the XIV portion of FIG. The three-way frame connecting member 13 is a metal plate bent into a continuous L-shaped cross section. The three-way frame connecting member 13 includes a connecting member first surface portion 13a for connecting to the vertical frame extending column 12, an intermediate surface portion 13b bent from the connecting member first surface portion 13a, and a bent portion from the connecting member first surface portion 13a. And a connecting member second surface portion 13c for connecting with the landing three-way frame 4 (vertical frame 5 or upper frame 6). A pair of mounting holes 13d are provided in the connecting member first surface portion 13a. The connecting member second surface portion 13c is provided with a pair of attachment long holes 13e. A seat plate 31 is provided inside the upper frame 6. The seat plate 31 is provided with a pair of screw holes 31a.

  The bolt 25 of the pressing plate 24 provided inside the vertical frame extension pillar 12 passes through the mounting hole 26a of the seat plate 26, the lip groove 12a, and the mounting hole 14c of the connecting member first surface portion 14a. A washer 27 is inserted into the tip of the bolt 25 and a nut 28 is screwed together. Thereby, the vertical frame extending column 12 and the hanger case connecting member 14 are connected to each other.

  A pair of mounting holes (not shown) are provided on the upper surface of the hanger case 15. A seat plate 29 is provided inside the hanger case 15. The seat plate 29 is provided with a pair of screw holes 29a. Bolts 30 are inserted into the attachment long holes 14d of the connection member second surface portion 14b, and the bolts 30 are screwed into the screw holes 29a of the seat plate 29 through the attachment holes on the top surface of the hanger case 15. Yes. That is, the hanger case connecting member 14 and the hanger case 15 are connected to each other when the bolt 30 is screwed into the screw hole 29 a of the seat plate 29.

  Here, the connection relationship between the vertical frame extension column 12 and the vertical frame 5 is the same as the connection relationship between the vertical frame extension column 12 and the upper frame 6, but the attachment position of the three-way frame connection member 13 in the vertical frame 5 is The vertical frame extending column 12 can be appropriately changed so as to correspond to the position of the lower end portion. Further, when the vertical frame extension pillar 12 is attached to the landing three-side frame 4, the three-side frame connecting member 13 attached to the vertical frame 5 and the upper frame 6 is slidable along the attachment long hole 13e. Thus, the inclination (falling position) of the vertical frame extension column 12 with respect to the vertical frame 5 is adjusted along the height direction of the vertical frame 5, and each bolt and nut are finally tightened. Thereby, the vertical frame 5 is supported from the building beam 10 via the vertical frame extension pillar 12, and the inclination of the vertical frame 5 in the entrance direction of the landing entrance 1c is suppressed. FIG. 15 is a perspective view schematically showing a connection relationship among the landing three-way frame 4, the building beam 10, the vertical frame extension pillar 12, and the hanger case 15 of FIG. 2.

  In the elevator landing apparatus as described above, the lower end portion of the vertical frame extension column 12 connected to the building beam 10 is attached to the vertical frame 5, and between the upper frame 5 of the vertical frame extension column 12 and the building beam 10. Since the hanger case 15 is attached to the location of the above, even if the inter-floor dimensions are different from floor to floor, it is common to change the mounting position of the vertical frame extension pillar 12 in the vertical frame 5 as appropriate according to the installation environment. The hanger case 15 and the landing three-way frame 4 can be supported by the member having the length dimension, and the versatility of the member can be improved and the installation cost can be reduced.

  Moreover, since the position of the 2nd engaging part 20b can be adjusted to the 1st engaging part 19b side and the anti 1st engaging part 19b side, it does not perform a drilling process or a welding process to the building beam 10 The vertical frame extension column 12 can be easily attached to the building beam 10.

  Further, the vertical frame extension column 12 is made of a lip groove steel, and the building beam 10, the vertical frame 5, the hanger case 15 and the vertical frame are arranged via a push plate 24 provided inside the vertical frame extension column 12. Since the extension column 12 is connected, the vertical frame extension column 12 can be easily attached to the vertical frame 5 and the building beam 10 without drilling or welding the vertical frame extension column 12.

  Furthermore, since the pressing portion 24b presses the inner wall of the vertical frame extension column 12 to maintain the height position of the pressing plate 24, even before the nut 28 is tightened to the bolt 25 of the pressing plate 24, The push plate 24 can be prevented from dropping during the installation work. In addition, the height position of the push plate 24 can be easily adjusted, and the work efficiency of the installation work can be improved.

  Here, in general, the surfaces of building beams and building columns provided in the hoistway are covered with a fireproof covering material, and elevator installation workers perform welding work etc. on the building beams to extend the vertical frame When a column is fixed to a building beam, the fireproof covering material may be peeled off. In order to protect this fireproof covering, the building plate (worker separate from the elevator installation worker) fixes the base plate for mounting the hanger case support column to the building beam or building column, and then the landing It was necessary to start the installation work of the device, and the installation process of the elevator landing device was limited. On the other hand, in the elevator landing apparatus as described above, since the vertical frame extension column 12 is attached to the building beam 10 via the building beam side column support mechanism 11, the base plate is not required, so that The installation work can be started earlier.

  In the first embodiment, the lower end portion of the vertical frame extension column 12 is vertically extended by overlapping about 1/3 to 1/4 of the height of the vertical frame 5 from the upper end portion of the vertical frame 5 to the intermediate portion. It is preferable to attach to the frame 5. This makes it possible to use the vertical frame extension column 12 having a length about half that of the hanger case support column of the conventional elevator landing door opening and closing device as shown in Patent Document 1, thereby further reducing the manufacturing cost. Can be made.

Embodiment 2. FIG.
Next, a second embodiment of the present invention will be described. FIG. 16 is a side view showing the elevator hall device according to the second embodiment. FIG. 17 is an enlarged side view showing the landing on the lower floor side of FIG. 18 is an enlarged side view showing the XVIII portion of FIG. 19 is a cross-sectional view taken along line XIX-XIX in FIG. 20 is a cross-sectional view taken along line XX-XX in FIG. FIG. 21 is an enlarged cross-sectional view of the XXI portion of FIG. FIG. 22 is an enlarged perspective view showing the XXII portion of FIG. FIG. 23 is an enlarged side view showing a portion XXIII in FIG. 24 is a cross-sectional view taken along line XXIV-XXIV in FIG. FIG. 25 is an enlarged side view showing the XXV portion of FIG.

  First, in the first embodiment, the vertical frame extension column 12 made of lip groove steel is used, but in the second embodiment, the vertical frame extension column 41 having an L-shaped cross section constituted by an L-shaped angle is used. Use. The vertical frame extension column 41 includes a first column surface portion 41a and a second column surface portion 41b orthogonal to one end portion in the width direction of the first column surface portion 41a. Further, the vertical frame extension column 12 of the first embodiment is connected to the building beam 10, the vertical frame 5, the upper frame 6 and the hanger case 15 via the push plate 24 and the seat plate 26. The two vertical frame extension columns 41 are connected to the building beam 10, the vertical frame 5, the upper frame 6, and the hanger case 15 through the extension column side connection mechanism 42.

  The column connection portion 19d of the building beam fixing bracket 19 of the second embodiment is provided with a pair of attachment long holes 19h instead of the pair of attachment holes 19g in the first embodiment. The connection member first surface portion 13a of the three-way frame connection member 13 according to the second embodiment is provided with a pair of attachment long holes 13f instead of the pair of attachment holes 13d in the first embodiment. The connecting member first surface portion 14a of the hanger case connecting member 14 according to the second embodiment is provided with a pair of attachment long holes 14d instead of the pair of attachment holes 14c in the first embodiment.

  The extension column side connection mechanism 42 includes a first latch 43 that is hooked to an end of the first column surface portion 41a on the side opposite to the second column surface portion 41b, and an anti-first column surface portion of the second column surface portion 41b that is joined to the second column surface portion 41b. And a second latch 44 hooked on the end on the 41a side.

  The first latch 43 is attached to the first joint surface portion 43a joined to the L-shaped outer surface (the upper surface in FIG. 20) of the first column surface portion 41a and the end of the first joint surface portion 43a on the side opposite to the second column surface portion 41b. A first hooking portion 43b that is disposed and hooked to an end of the first column surface portion 41a, a first fastening surface portion 43c that is disposed at an end of the first joint surface portion 43a opposite to the first hooking portion 43b, and a first fastening surface portion 43c. It has a first inclined surface portion 43d that is disposed at the opposite end of the first hooking portion 43b and that inclines so as to intersect the extended surface in the width direction of the first column surface portion 41a and away from the second column surface portion 41b. . A long hole 43e is provided in the first fastening surface portion 43c. A bolt (fastening member) 45 for fastening the first latch 43 and the second latch 44 is inserted into the long hole 43e.

  The second latch 44 has a second joint surface portion 44a joined to the L-shaped outer surface (the right surface in FIG. 20) of the second column surface portion 41b, and an end of the second joint surface portion 44a on the side opposite to the first column surface portion 41a. A second hooking portion 44b that is disposed and hooked to the end of the second column surface portion 41b, and a distance (tightening clearance margin; arrow in FIG. 21) from the first fastening surface portion 43c to the end of the second joint surface portion 44a on the opposite second hooking portion 44b side And a second fastening surface portion 44c disposed opposite to the first fastening surface portion 43c and provided at an end of the second fastening surface portion 44c opposite to the second hooking portion 44b and along the first inclined surface portion 43d. And a second inclined surface portion 44d joined to the first inclined surface portion 43d. A bolt 45 is screwed into the second fastening surface portion 44c.

  Here, in FIG. 21, the bolt 45 is tightened in the direction of arrow A, and the first inclined surface portion 43d is in the direction of arrow B so that the distance between the first fastening surface portion 43c and the second fastening surface portion 44c is narrowed. The first hook portion 43b is pulled in the direction indicated by the arrow C (on the second column surface portion 41b side). At the same time, when the bolt 45 is tightened, the second hooking portion 44b is pulled toward the first column surface portion 41a. Therefore, when the bolt 45 is tightened, the extension column side connection mechanism 42 is tightly coupled to the vertical frame extension column 41.

  Further, the attachment long hole 9h of the column connection part 19d of the building beam fixing bracket 19, the attachment long hole 13f of the connection member first surface part 13a of the three-way frame connection member 13, and the connection member first surface part 14a of the hanger case connection member 14 are provided. The vertical frame extension column 41 is slid along the attachment long hole 14d using the bolt 45 as a slide shaft, so that the inclination of the vertical frame extension column 41 with respect to the vertical frame 5 can be adjusted. Other configurations are the same as those in the first embodiment.

  In the elevator landing apparatus as described above, even when the vertical frame extension column 41 configured by an L-shaped angle is used, the same effect as in the first embodiment can be obtained.

  In addition, when the bolt 45 is tightened, the first hook portion 43b is pulled toward the second column surface portion 41b, and the second hook portion 44b is pulled toward the first column surface portion 41a. 6 and the hanger case 15 and the vertical frame extension column 41 can be connected more firmly.

Embodiment 3 FIG.
Next, a third embodiment of the present invention will be described. FIG. 26 is a side view showing an elevator hall device according to Embodiment 3. FIG. FIG. 27 is an enlarged side view showing the lower floor landing in FIG. FIG. 28 is an enlarged side view showing the XXVIII portion of FIG. 29 is a cross-sectional view taken along line XXIX-XXIX in FIG. 30 is a cross-sectional view taken along line XXX-XXX in FIG. FIG. 31 is an enlarged perspective view showing the XXXI portion of FIG. 32 is an enlarged side view showing the XXXII portion of FIG. 33 is a cross-sectional view taken along line XXXIII-XXXIII in FIG. 34 is an enlarged side view showing the XXXIV portion of FIG.

  The vertical frame extension column 51 of Embodiment 3 is configured by a general structural steel pipe (general structural carbon steel pipe, scaffolding pipe) having a circular cross section. The vertical frame extension column 51 is connected to the building beam 10, the hanger case 15, and the landing three-way frame 4 via a band member 52 having a U-shaped cross section and a bolt 53 screwed into the band member 52. Other configurations are the same as those of the first and second embodiments.

  In the elevator landing apparatus as described above, the same effects as those of the first embodiment can be obtained even when the vertical frame extension column 51 formed of a general structural steel pipe is used.

  Here, the general structural steel pipe used for the vertical frame extension column 51 can be procured at a low price at a general material retailer (for example, a home center), thereby further reducing the manufacturing cost of the vertical frame extension column 51. Can be made. In addition, by placing an order for each installation work, it is possible to reduce member storage costs associated with member manufacture. In addition, by procuring general structural steel pipes at a material retailer in the vicinity of the elevator installation site and receiving a free delivery service from the material retailer (or a free rental truck service), the material transportation costs Can be further reduced. By these, installation cost can be reduced significantly.

Embodiment 4 FIG.
Next, a fourth embodiment of the present invention will be described. FIG. 35 is a side view showing an elevator hall device according to Embodiment 4. FIG. FIG. 36 is an enlarged side view showing the XXXVI portion of FIG. FIG. 37 is a cross-sectional view taken along line XXXVII-XXXVII in FIG. FIG. 38 is a sectional view taken along line XXXVIII-XXXVIII in FIG. FIG. 39 is an enlarged perspective view showing the XXXIX portion of FIG. FIG. 40 is an enlarged side view showing the XL part of FIG. 41 is a cross-sectional view taken along line XLI-XLI in FIG. FIG. 42 is an enlarged side view showing the XLII portion of FIG.

  In the vertical frame extension column 51 of the third embodiment, it is connected to the building beam 10, the hanger case 15 and the landing three-way frame 4 via the band member 52 having a U-shaped cross section. It is connected to the building beam 10, the hanger case 15, and the landing three-way frame 4 via a mechanism (gripping bracket, clamp bracket for scaffold assembly) 61. The clamp mechanism 61 includes a metal fitting body 62, a clamp piece 63, a rod body 64, and a nut 65.

  The bracket main body 62 is connected to the building beam side column support mechanism 11 by screwing a nut 67 into a bolt 66 penetrating the bracket main body 62 and the column connecting portion 19d. Further, the metal fitting main body 62 has a curved surface portion 62 a that can be joined to about a half circumference of the outer peripheral surface of the vertical frame extension column 51. The clamp piece 63 has a curved surface portion 63 a that can be joined to about ¼ circumference of the outer peripheral surface of the vertical frame extension column 51. Further, one end of the clamp piece 63 is connected to the metal fitting body 62 by a pin, and can be rotated around the pin. Further, a fastening groove 63b and a nut seat 63c are provided at the end of the clamp piece 63 opposite to the connection portion with the metal fitting body 62.

  The rod body 64 has a screw rod portion into which a female screw is engraved. Further, it is rotatably attached to the metal fitting main body 62. The threaded rod portion of the rod body 64 can be fitted into and removed from the groove 63b of the clamp piece 63 by rotating. The nut 65 is screwed into the threaded rod portion of the rod body 64. Here, when the threaded rod portion of the rod body 64 is fitted in the groove 63b of the clamp piece 63, the nut 65 is tightened from the tip end side of the rod body 64 of the clamp piece 63 to the nut seat 63c side. The building beam side column support mechanism 11 and each connecting member 13, 14 and the vertical frame extension column 51 are fastened together, and the landing three-way frame 4, the building beam 10, the hanger case 15 and the vertical frame extension column 51 are connected to each other. . Other configurations are the same as those in the first to third embodiments.

  In the elevator landing apparatus as described above, even if the vertical frame extension column 51, the landing three-way frame 4, the building beam 10, and the hanger case 15 are connected via the clamp mechanism 61, the first embodiment , 3 can be obtained.

  Further, the clamp mechanism 61 can be procured at a low price at a general material retailer, like the general structural steel pipe used for the vertical frame extension column 51, thereby further reducing the installation cost of the elevator landing device. Can be made.

Embodiment 5 FIG.
Next, a fifth embodiment of the present invention will be described. FIG. 43 is a side view showing an elevator hall device according to Embodiment 5. 44 is an enlarged side view of the XLIV part of FIG. 45 is a cross-sectional view taken along line XLV-XLV in FIG. 46 is a cross-sectional view taken along line XLVI-XLVI in FIG. 47 is an enlarged perspective view showing the XLVII part of FIG. 48 is an enlarged side view showing the XLVIII portion of FIG. 49 is a cross-sectional view taken along line XLIX-XLIX in FIG. FIG. 50 is an enlarged side view showing a portion L in FIG.

  The vertical frame extension column 71 of the fifth embodiment is constituted by a general structural steel pipe (a general structural square steel pipe, a square pipe for scaffolding) having a square cross section. The vertical frame extension column 71 of the fifth embodiment is connected to the building beam 10, the hanger case 15, and the landing three-way frame 4 via a band member 72 having a hat-shaped cross section and a bolt 73 penetrating the band member 72. Yes. Other configurations are the same as those in the first to third embodiments.

  In the elevator landing apparatus as described above, the same effects as those of the first and third embodiments can be obtained even when the vertical frame extension column 71 constituted by a general structural steel pipe having a square cross section is used. In addition, the column strength of the vertical frame extension column 71 can be improved as compared with the vertical frame extension column 51 of the third and fourth embodiments, and the hanger case 15 can be used even when the interfloor dimension of the building 1 is somewhat longer. And the landing three-way frame 4 can be supported more stably.

It is a side view which shows the elevator landing apparatus by Embodiment 1 of this invention. It is a side view which expands and shows the landing on the lower floor side of FIG. It is a side view which expands and shows the III section of FIG. It is sectional drawing which follows the IV-IV line of FIG. It is a disassembled perspective view which expands and shows the V section of FIG. It is a top view which expands and shows the press plate of FIG. It is a side view which expands and shows the press plate of FIG. It is explanatory drawing for demonstrating the attachment method of the press plate of FIG. It is a disassembled perspective view which expands and shows the IX part of FIG. It is sectional drawing which follows the XX line of FIG. It is a disassembled perspective view which expands and shows the XI part of FIG. It is a side view which expands and shows the XII part of FIG. It is sectional drawing which follows the XIII-XIII line | wire of FIG. It is a disassembled perspective view which expands and shows the XIV part of FIG. It is a perspective view which shows typically the connection relation of the hall three-way frame of FIG. 2, a building beam, a vertical frame extension pillar, and a hanger case. It is a side view which shows the elevator landing apparatus by Embodiment 2 of this invention. It is a side view which expands and shows the landing on the lower floor side of FIG. It is a side view which expands and shows the XVIII part of FIG. It is sectional drawing which follows the XIX-XIX line | wire of FIG. It is sectional drawing which follows the XX-XX line of FIG. It is sectional drawing which expands and shows the XXI part of FIG. It is a perspective view which expands and shows the XXII part of FIG. It is a side view which expands and shows the XXIII part of FIG. It is sectional drawing which follows the XXIV-XXIV line | wire of FIG. It is a side view which expands and shows the XXV part of FIG. It is a side view which shows the elevator landing apparatus by Embodiment 3 of this invention. It is a side view which expands and shows the landing on the lower floor side of FIG. It is a side view which expands and shows the XXVIII part of FIG. It is sectional drawing which follows the XXIX-XXIX line | wire of FIG. It is sectional drawing which follows the XXX-XXX line of FIG. It is a perspective view which expands and shows the XXXI part of FIG. It is a side view which expands and shows the XXXII part of FIG. It is sectional drawing which follows the XXXIII-XXXIII line | wire of FIG. It is a side view which expands and shows the XXXIV part of FIG. It is a side view which shows the elevator landing apparatus by Embodiment 4 of this invention. It is a side view which expands and shows the XXXVI part of FIG. It is sectional drawing which follows the XXXVII-XXXVII line | wire of FIG. It is sectional drawing which follows the XXXVIII-XXXVIII line of FIG. It is a perspective view which expands and shows the XXXIX part of FIG. It is a side view which expands and shows the XL part of FIG. It is sectional drawing which follows the XLI-XLI line | wire of FIG. It is a side view which expands and shows the XLII part of FIG. It is a side view which shows the elevator landing apparatus by Embodiment 5 of this invention. It is a side view which expands and shows the XLIV part of FIG. It is sectional drawing which follows the XLV-XLV line | wire of FIG. FIG. 45 is a sectional view taken along line XLVI-XLVI in FIG. 44. It is a perspective view which expands and shows the XLVII part of FIG. It is a side view which expands and shows the XLVIII part of FIG. It is sectional drawing which follows the XLIX-XLIX line | wire of FIG. It is a side view which expands and shows the L section of FIG.

Explanation of symbols

  1a hoistway, 1c landing doorway, 1d landing floor, 4 landing three-way frame, 5 vertical frame, 6 upper frame, 10 building beam, 10b second flange part, 11 building beam side column support mechanism, 12, 41, 51, 71 Vertical frame extension column, 12a lip groove, 15 hanger case, 16 landing door panel, 19b first engagement portion, 20b second engagement portion, 24 pressing plate (inner wall joint piece), 24b pressing portion (holding portion), 41a first 1 column surface portion, 41b second column surface portion, 42 extension column side connection mechanism, 43 first latch, 43a first joint surface portion, 43b first hook portion, 43c first fastening surface portion, 43d first inclined surface portion, 43e long hole, 44 2nd latch, 44a 2nd joint surface part, 44b 2nd hook part, 44c 2nd fastening surface part, 44d 2nd inclined surface part, 45 bolt (fastening member), 52, 72 band member, 61 clamp mechanism

Claims (10)

A hall having a pair of vertical frames erected on the landing floor along the side of the hall entrance and an upper frame arranged on the ceiling of the hall entrance and connecting the vertical frames to each other along the entrance direction of the hall entrance A three-way frame, and a building beam disposed above the landing doorway in the hoistway and spaced from the landing doorway, and having a lower end attached to the vertical frame, the upper frame and the building beam An elevator hall device comprising a pair of vertical frame extension columns to which a hanger case for supporting a hall door panel is attached at a position between the two.   The vertical frame extension column is attached to the vertical frame so that it overlaps the intermediate portion in the height direction from the upper end of the vertical frame by an amount corresponding to 1/3 to 1/4 of the height of the vertical frame. The elevator hall device according to claim 1, wherein A first engagement portion that engages with one end in the width direction of the flange portion provided on the building beam, a second engagement portion that engages with the other end in the width direction of the flange portion, and the vertical frame extension column A support column connecting portion connected to the upper end of the building beam, and further comprising a building beam side column support mechanism for supporting the vertical frame extension column from the building beam,
The elevator landing device according to claim 1 or 2, wherein the position of the second engaging portion is adjustable to the first engaging portion side and the anti-first engaging portion side. . The vertical frame extension column is constituted by a lip groove shaped steel provided with a lip groove along the height direction,
The vertical frame extension column is inserted into the lip groove, and the building beam, the hanger case, and the landing via an inner wall joining piece that joins an edge of the lip groove of the inner wall of the vertical frame extension column. Connected to at least one of the three-way frames,
The said inner wall joining piece has the holding | maintenance part for hold | maintaining a height position inside the said vertical frame extension pillar, The any one of Claim 1 to 3 characterized by the above-mentioned. Elevator landing equipment.   The holding portion is a pressing portion that presses the inner wall of the vertical frame extension column from the inner side to the outer side in the width direction of the lip groove, and by pressing the inner wall of the vertical frame extension column, the column side connection piece The elevator hall device according to claim 4, wherein the elevator hall device maintains a height position. The vertical frame extension column is constituted by a columnar body having an L-shaped cross section that is bent into a first column surface portion and a second column surface portion,
Further, the vertical frame extension column is joined to the first latch hooked to the end of the first column surface portion on the side opposite to the second column surface portion and the second column surface portion, on the side opposite to the first column surface portion of the second column surface portion. It is connected to at least any one of the building beam, the hanger case, and the landing three-way frame through an extension column side connection mechanism having a second latch hooked to the end. The elevator landing apparatus according to any one of claims 3 to 4. The first latch is disposed at an end of the first column surface portion that is joined to an L-shaped outer surface of the first column surface portion and an end on the side opposite to the second column surface portion of the first joint surface portion. A first hooking portion to be hooked, a first fastening surface portion disposed at an end of the first joint surface portion on the side opposite to the first hooking portion, and an end of the first fastening surface portion opposite to the first hooking portion. A first inclined surface portion that intersects with an extended surface in the width direction of the first column surface portion and is inclined so as to be separated from the second column surface portion,
The second latch is disposed at an end of the second column surface portion that is joined to an L-shaped outer surface of the second column surface portion and an end of the second junction surface portion on the side opposite to the first column surface portion. A second hooking portion to be hooked; a second fastening surface portion disposed at a distance from the first fastening surface portion at an end of the second joint surface portion on the side opposite to the second hooking portion; and facing the first fastening surface portion; 2 having a second inclined surface portion provided at an end opposite to the second hooking portion of the fastening surface portion and disposed along the first inclined surface portion and joined to the first inclined surface portion;
The first fastening surface portion is provided with a long hole,
A fastening member is inserted into the long hole,
The fastening member is screwed into the second fastening surface portion,
The first hook portion is clamped by the first fastening surface portion and the second fastening surface portion by the fastening member such that a gap between the first fastening surface portion and the second fastening surface portion is narrowed. The elevator landing apparatus according to claim 6, wherein the first inclined surface portion slides along the second inclined surface portion and is pulled toward the second column surface portion.   The vertical frame extension column is composed of a general structural steel pipe having a circular cross section, and at least one of the building beam, the hanger case, and the landing three-way frame via a band member having a U-shaped cross section. The elevator hall device according to any one of claims 1 to 3, wherein the elevator hall device is connected to the elevator hall.   The vertical frame extension column is configured by a general steel pipe having a circular cross section, and is connected to at least one of the building beam, the hanger case, and the landing three-way frame via a clamp mechanism. The elevator hall device according to any one of claims 1 to 3, wherein the elevator hall device is provided.   The vertical frame extension column is configured by a general structural steel pipe having a square cross section, and is attached to at least one of the building beam, the hanger case, and the landing three-way frame via a band member having a cross-sectional hat shape. The elevator landing device according to any one of claims 1 to 3, wherein the elevator landing device is connected.

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