JP5146076B2 - Elevator landing equipment - Google Patents

Description

  The present invention relates to a landing device installed at an elevator landing.

  A support member for supporting an opening / closing member such as a landing door and a rail for guiding the landing door, a so-called hanger case, is installed at the elevator landing above the hoistway side of the landing doorway.

As a prior art for installing a hanger case in a hall, for example, there is one described in Patent Document 1 below. In this hall device, both ends of the hanger case are fixed to two support pillars erected on the hall. And it is comprised so that the load of the perpendicular direction which acts on a hanger case may be borne by this support pillar.
In addition, the thing of the said patent document 1 is suitable when the wall of a building is comprised with ALC cellular concrete etc., for example, when an anchor bolt cannot be constructed in a wall.

JP-A-5-262484

In the thing of patent document 1, the vertical direction load which acts on a hanger case is only supported by the said 2 support pillar. For this reason, in order to prevent the hanger case from being deformed, it is necessary to increase the thickness of the sheet metal member constituting the hanger case to ensure the necessary strength. However, as the thickness of the hanger case increases and its weight increases, more time and labor are required to install the landing gear. In addition, as the weight of the hanger case increases, there is also a problem that its production cost and transportation cost increase.
A large vertical load acts particularly on a hanger case installed in a hall with a wide opening (width) of the elevator doorway (for example, a hall corresponding to the center opening of the four doors). For this reason, when a hanger case with a thin plate thickness is applied to such a landing, etc., the hanger case may be deformed because it cannot withstand shocks during door opening and closing operations and shaking during an earthquake. .

  The present invention has been made to solve the above-described problems, and its object is to reduce the weight and cost of installation of the hanger case, and further to the elevator doorway. It is an object to provide an elevator landing device that can be easily applied even when the frontage is wide.

An elevator landing apparatus according to the present invention is provided at an elevator landing, and is arranged at a landing door that opens and closes a landing doorway, and is disposed above the landing doorway of the landing, and has a length in the entrance direction of the landing doorway. And a hanger case for supporting the opening / closing member, a pair of first support pillars that are provided in accordance with the width of the hanger case on the hoistway side end of the hall, and that support each end of the hanger case, and the hoistway side of the hall A pair of second support pillars standing on the end and disposed on both sides of the landing entrance, a hanger case support beam provided between the second support pillars in the entrance direction of the landing entrance, and a hanger case support beam , a plurality are provided at predetermined intervals in the frontage direction of the landing doorway, each provided with a supporting device for supporting an intermediate portion of the hanger case, each support device vertically installation height of the hanger case And jack bolt for adjusting, those having a hanger case installed height is adjusted by the jack bolt, a hanger case used to fix the hanger case support beam, the.

  According to the elevator landing apparatus according to the present invention, the hanger case can be reduced in weight, and the labor and cost required for installation can be greatly reduced. Further, it can be easily applied even when the entrance of the elevator is wide. Can do.

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

Embodiment 1 FIG.
1 is a longitudinal sectional view showing an elevator hoistway provided with a landing device according to Embodiment 1 of the present invention, FIG. 2 is a side view showing the elevator landing device according to Embodiment 1 of the present invention, and FIG. FIG. 4 is a front view showing the elevator landing apparatus according to Embodiment 1 of the present invention, and FIG. 4 is a perspective view showing the elevator landing apparatus according to Embodiment 1 of the present invention. 3 and 4 show a state where the elevator hall is viewed from the inside of the hoistway.
5 is a detailed view of part A of the elevator landing apparatus shown in FIG. 4, FIG. 6 is an exploded view of part A of the elevator landing apparatus shown in FIG. 4, and FIG. 7 is a B-- of the elevator landing apparatus shown in FIG. FIG.

  1 to 7, reference numeral 1 denotes an elevator hoistway provided in a building, and 2 denotes a wall of the hoistway 1, that is, a hoistway wall. The hoistway wall 2 is made of, for example, ALC cellular concrete. That is, this Embodiment has shown the case where an anchor bolt cannot be erected to the hoistway wall 2. 3 is an elevator car for raising and lowering the hoistway 1, 4 is a hoisting rope for suspending the car 3, and 5 is an elevator landing provided on each floor of the building.

Each landing 5 is provided with a three-way landing frame that includes a vertical frame 6 on both sides and an upper frame 7 provided between the upper ends of the vertical frame 6. An opening leading to the hoistway 1 is formed in the hoistway wall 2 (building wall) separating the landing 5 and the hoistway 1, and the landing three-way frame is disposed in the opening. That is, a landing entrance is formed by the landing three-way frame and the floor 5a of the landing 5. In FIGS. 3 and 4, the illustration of the landing three-way frame is omitted for simplification of the drawing.
Reference numeral 8 is a landing door for opening and closing the landing doorway, 9 is a landing sill that guides the opening and closing direction of the lower end of the landing door 8, and 10 is a toe guard suspended from the landing sill 9 into the hoistway 1. The landing door 8 is arranged on the hoistway 1 side of the landing three-way frame of the landing 5. Moreover, FIG.1 and FIG.2 has shown the structure of 4 door center opening as an example.

  Reference numeral 11 denotes a member for opening and closing the landing door 8 (hereinafter referred to as “opening and closing member”) and a hanger case for supporting the landing door 8 itself. In addition, although the rail etc. which support the landing door 8 and guide the opening / closing direction of the upper end part are contained in the said opening / closing member, the illustration is abbreviate | omitted. The hanger case 11 is manufactured from a sheet metal member having a predetermined thickness, and has a predetermined width corresponding to the length of the rail. In addition, the hanger case 11 is disposed above the landing entrance and closer to the inside of the hoistway 1 (inside the hoistway wall 2 than the hoistway wall 2) in order to support the landing door 8 in a suspended state. The longitudinal direction is horizontally arranged in the entrance direction of the hallway.

  12 is a hanger case cover provided from the inside of the hoistway 1 with respect to the hanger case 11, and 13 is a pusher plate. The busher plate 13 is disposed between the hanger case cover 12 and the toe guard 10 suspended from the landing sill 9 on the upper floor.

Next, a configuration for supporting the hanger case 11 will be specifically described.
Each landing 5 has a pair of first support pillars 14a and 14b at its end on the side of the hoistway, that is, on the end on the inner side of the hoistway 1 with respect to the hoistway wall 2 separating the hall 5 and the hoistway 1. And second support columns 15a and 15b (not shown in FIG. 1) are provided upright. Reference numeral 16 denotes a building structure beam which supports the floor 5a arranged at the end of the hoistway side of the hall 5 from below. The first support columns 14a and 14b and the second support columns 15a and 15b extend from the floor 5a of the landing 5 to the building structural beam 16 that supports the upper floor 5a so as not to interfere with the landing entrance. Are arranged vertically.

  The first support columns 14 a and 14 b are installed to support each end of the hanger case 11. Specifically, the first support columns 14a and 14b are made of angle steel having a predetermined length, the first support column 14a is on one side of the landing entrance, and the first support column 14b is on the other side of the landing entrance, Each is arranged in accordance with the width of the hanger case 11. The first support pillars 14a and 14b are arranged so that one side of the L-shape is opposed to each other, and each end of the hanger case 11 is fastened to a predetermined height on one side by bolts, nuts, and the like. Fastened and fixed using a tool 17. In addition, 11a is a side plate which forms each end surface of the hanger case 11. FIG. The side plates 11a are fixed to both ends of the hanger case 11 by welding or the like. And the attachment hole 11b for fixing each edge part of the hanger case 11 to the 1st support pillars 14a and 14b is formed in the predetermined position of the side plate 11a.

  On the other hand, the second support columns 15 a and 15 b are installed to support the intermediate portion of the hanger case 11. Specifically, the second support columns 15a and 15b are made of channel steel having a predetermined length, the second support column 15a is on one side of the landing entrance, and the second support column 15b is on the other side of the landing entrance. , Each is located close to the landing entrance. Moreover, since the 2nd support pillars 15a and 15b are provided in the position close | similar to the landing doorway rather than the 1st support pillars 14a and 14b, they are arrange | positioned so that the boarding 5 side of the hanger case 11 may pass up and down. Yes.

  Reference numeral 18 denotes a hanger case support beam provided between the second support pillars 15a and 15b in the entrance / exit direction. An intermediate portion of the hanger case 11 is supported by a plurality of support devices 19 provided on the hanger case support beam 18.

Specifically, the main part of the hanger case support beam 18 is composed of square pipe members 20a and 20b, end joints 21a and 21b, and a plurality of intermediate joints 22. The square pipe members 20a and 20b are horizontally arranged with a predetermined interval so that each longitudinal direction faces the entrance / exit direction. And each one end part arrange | positioned at the upper and lower sides of the square pipe materials 20a and 20b is connected by the end joint metal fitting 21a, and each other end part is connected by the end joint metal fitting 21b. Moreover, between the intermediate parts of the square pipe materials 20a and 20b are connected up and down by the intermediate part connecting fittings 22. Here, the intermediate | middle part metal fitting 22 is arrange | positioned at predetermined intervals in the frontage direction of a landing doorway, as shown in the figure.
The end joints 21a and 21b and the intermediate joints 22 are each formed of a plate-like member and are fixed to the square pipe members 20a and 20b by welding.

  By having such a configuration, the upper and lower square pipe members 20a and 20b can be integrated dynamically to increase the section modulus, and the strength of the hanger case support beam 18 as a whole can be increased. Moreover, since the hanger case support beam 18 is comprised by the pipe material and the plate-shaped member, the hanger case support beam 18 can be reduced in weight, ensuring predetermined intensity | strength.

  On the other hand, the support device 19 is provided on each intermediate joint 22 to support the intermediate part of the hanger case 11. Each support device 19 is configured to be able to independently adjust the installation height of the hanger case 11 in the vertical direction. In addition, the said intermediate part connection metal fitting 22 also has a function as a support metal fitting for supporting the support apparatus 19 to the square pipe materials 20a and 20b.

  Specifically, each support device 19 includes a hanger case mounting bracket 23 and a suspension bolt (jack bolt) 24 at its main part. The hanger case mounting bracket 23 is formed of, for example, a plate-like member, and is firmly fixed to the back surface of the hanger case 11 with bolts 25 and to the intermediate joint bracket 22 with a set of bolts and nuts.

  The hanger case mounting bracket 23 is configured such that the mounting position with respect to the intermediate connecting bracket 22 can be adjusted in the vertical direction and the depth direction of the landing doorway. Specifically, a long hole 23a having a length in the depth direction of the hall entrance / exit is formed on one surface of the hanger case mounting bracket 23 in a vertical direction on one surface of the intermediate connecting bracket 22 facing the one surface of the hanger case mounting bracket 23. A long hole 22a having a longitudinal direction is formed. And the fastener 26 is arrange | positioned so that the bolt may pass both the said long holes 23a and 22a, and is screwed in the nut.

  On the other hand, each suspension bolt 24 is provided to finely adjust the installation height of the hanger case 11 in the vertical direction. Specifically, 22b is a through-hole formed in the horizontal portion of the intermediate joint fitting 22, 23b is a screw hole formed in the horizontal portion of the hanger case mounting bracket 23, and the suspension bolt 24 is located above the through-hole 22b. Is inserted into the screw hole 23b below the screw hole 23b. That is, by rotating the suspension bolt 24, the corresponding part of the hanger case 11 can be moved in the vertical direction with respect to the hanger case support beam 18.

  In the hall device having the above-described configuration, when the hanger case 11 is installed, first, the hanger case mounting bracket 23 fixed to the back surface of the hanger case 11 is temporarily fixed to the intermediate joint bracket 22 using the fastener 26. deep. That is, the fastener 26 is loosely tightened so that the hanger case mounting bracket 23 (hanger case 11) moves in the vertical direction with respect to the intermediate joint bracket 22. Next, by rotating each suspension bolt 24, the height of each hanger case mounting bracket 23 is adjusted, and the hanger case 11 is arranged in a horizontal state at a predetermined height. And after the said adjustment is complete | finished, each fastener 26 is tightened and the hanger case attachment metal fitting 23 is firmly fixed to the intermediate part connection metal fitting 22. FIG.

  8 to 10 are diagrams for explaining the hanger case mounting operation. 8 shows a state where the installation operator 27 is rotating the suspension bolt 24 from above the stepladder 28 using the tool 29. FIG. 9 is a view showing only the both ends of the hanger case 11 being fixed. FIG. 10 shows a state where the intermediate part is bent downward by its own weight, and FIG. 10 shows a state where the entire hanger case 11 is horizontally arranged by adjusting the suspension bolt 24 from the state shown in FIG.

According to Embodiment 1 of the present invention, both ends of the hanger case 11 are supported by the first support pillars 14 a and 14 b, and the intermediate portion thereof is supported via the support device 19 and the hanger case support beam 18. 2 supported by support columns 15a and 15b. For this reason, even if the hanger case 11 is made of a thin plate and reduced in weight, the hanger case 11 can sufficiently withstand the applied load, and the labor and cost required for installation, and the production cost and transportation cost can be greatly reduced. .
Further, by adopting the support device 19 having the above-described configuration, the intermediate portion of the hanger case 11 can be supported at a plurality of points immediately above the elevator passage from the landing 5 to the car 3. For this reason, it can be applied even when the entrance of the hall is wide, and for example, it can be easily installed in the hall 5 corresponding to the center opening of the four doors.

  Furthermore, in the hall device having the above-described configuration, the installation height of the intermediate portion of the hanger case 11 can be easily adjusted in the vertical direction by rotating the suspension bolt 24. For this reason, it is possible to easily correct the entire bending of the hanger case 11 not only when the hall device is installed but also after the elevator is installed.

  In addition, since the landing apparatus of the said structure does not need to use an anchor bolt in order to support the hanger case 11, it becomes a means especially effective when the wall of a building is comprised with ALC foam concrete etc.

It is a longitudinal cross-sectional view which shows the elevator hoistway provided with the boarding apparatus in Embodiment 1 of this invention. It is a side view which shows the elevator landing apparatus in Embodiment 1 of this invention. It is a front view which shows the elevator landing apparatus in Embodiment 1 of this invention. It is a perspective view which shows the elevator landing apparatus in Embodiment 1 of this invention. FIG. 5 is a detailed view of part A of the elevator hall device shown in FIG. 4. It is the A section exploded view of the elevator landing apparatus shown in FIG. It is a BB arrow line view of the elevator landing apparatus shown in FIG. It is a figure for demonstrating the attachment operation | work of a hanger case. It is a figure for demonstrating the attachment operation | work of a hanger case. It is a figure for demonstrating the attachment operation | work of a hanger case.

Explanation of symbols

1 hoistway, 2 hoistway wall, 3 cage, 4 hoisting rope, 5 landing,
5a floor, 6 vertical frame, 7 upper frame, 8 landing doors, 9 landing thresholds,
10 toe guard, 11 hanger case, 11a side plate, 11b mounting hole,
12 hanger case cover, 13 pusher plate, 14a first support pillar,
14b 1st support pillar, 15a 2nd support pillar, 15b 2nd support pillar,
16 Building structural beam, 17 Fastener, 18 Hanger case support beam,
19 support device, 20a square pipe material, 20b square pipe material,
21a end joint bracket, 21b end joint bracket, 22 middle joint bracket,
22a long hole, 22b through hole, 23 hanger case mounting bracket,
23a long hole, 23b screw hole, 24 suspension bolt, 25 bolt,
26 fasteners, 27 installation workers, 28 stepladders, 29 tools

Claims (5)

A landing door that opens and closes the landing doorway at the elevator hall,
A hanger case that is disposed above the landing entrance of the landing, has a length in a frontage direction of the landing entrance, and supports the landing door and its opening and closing member;
A pair of first support columns that are erected in accordance with the width of the hanger case at the hoistway side end of the hall, and support each end of the hanger case;
A pair of second support pillars standing on the hoistway side end of the hall and disposed on both sides of the hall entrance;
A hanger case support beam provided between the second support columns in the entrance direction of the landing entrance,
A plurality of the hanger case support beams are provided at predetermined intervals in the entrance direction of the landing entrance, and each support device supports an intermediate portion of the hanger case;
Equipped with a,
Each of the supporting devices is
Jack bolts for adjusting the installation height of the hanger case in the vertical direction;
A hanger case mounting bracket for fixing the hanger case whose installation height is adjusted by the jack bolt to the hanger case support beam,
Landing device for an elevator, characterized in that it comprises a. Wherein each support device, the installation height of the hanger case, the landing of an elevator according to claim 1, characterized in that adjustable vertically independently. The support device, in a straight upper part of the elevator passage leading to the elevator car from the landing, landing of an elevator according to claim 1 or claim 2, characterized in that for supporting the middle portion of the hanger case. The hanger case support beam is
A first angle pipe member and the second corner pipe member each longitudinal are arranged vertically to face frontage direction of the landing doorway,
End fittings for connecting the ends arranged above and below the first square pipe material and the second square pipe material;
An intermediate portion connecting bracket for vertically connecting the intermediate portions of the first square pipe material and the second square pipe material;
The elevator hall device according to any one of claims 1 to 3 , further comprising: Said end portion connecting fitting and the intermediate portion connecting brackets are formed from the respective plate members, it has been welded to claim 4, wherein relative to the first corner pipe member and the second angle pipe The elevator landing apparatus as described.

Images