JP7767665B1 - Elevator installation structure and construction method - Google Patents

Abstract

To provide an elevator shaft that allows installation of an elevator device in the elevator shaft while covering the wall of the elevator shaft with a fire-resistant covering surface material.
[Solution] The solution is an elevator equipment installation structure in which a fire-resistant coated surface material 4 is attached to the wall 3b of the elevator shaft 3, and parts 11, 21 of the elevator equipment placed inside the elevator shaft 3 are fixed to the wall 3b from the surface of the fire-resistant coated surface material 4 by fixing materials 12, 22.
[Selected Figure] Figure 2

Description

The present invention relates to an elevator installation structure and construction method.

BACKGROUND ART Conventionally, techniques for installing elevator devices in elevator shafts are known.
In Patent Document 1, various metal reinforcing frames are fixed to the wooden beams that make up the elevator shaft, and rail brackets are fixed to these various reinforcing frames to support the guide rails necessary for the raising and lowering of the car device.

Patent No. 3394846

To improve the fire resistance of buildings housing elevator equipment, elevator shaft walls are required to be covered with fire-resistant covering materials such as gypsum board. However, the wooden beams that make up elevator shafts are fitted with various reinforcing frames, with rail brackets attached via these frames, making it difficult to cover them with fire-resistant covering materials.

The present invention was made in consideration of the above circumstances, and its purpose is to enable elevator equipment to be installed in an elevator shaft while covering the walls of the elevator shaft with a fire-resistant coating surface material.

The invention described in claim 1 is, for example, as shown in FIGS. 1 to 12, an installation structure for an elevator device,
A fire-resistant coating surface material 4 is attached to a wooden wall 3b in the elevator shaft 3,
A part (11, 21) of the elevator device arranged inside the elevator shaft (3) is fixed to the wall (3b) from the surface of the fire-resistant coating surface material (4) by fixing materials (12, 22).

According to the invention of claim 1, parts 11, 21 of the elevator device are fixed to wooden wall 3b from the surface of fire-resistant coating surface material 4 by fixing members 12, 22, so that parts 11, 21 of the elevator device can be fixed to wooden wall 3b via fire-resistant coating surface material 4 while wooden wall 3b of elevator shaft 3 is covered by fire-resistant coating surface material 4. This allows the elevator device to be installed in elevator shaft 3 with wooden wall 3b of elevator shaft 3 covered by fire-resistant coating surface material 4, and as a result, the fire resistance of building 1 in which the elevator device is installed can be improved.

The invention described in claim 2 is, for example, as shown in Figures 1 to 12, in the installation structure of the elevator apparatus described in claim 1,
The elevator device includes:
a basket device 30;
a hoist that raises and lowers the cage device 30;
Lifting beams 10, 20 are bridged between two parallel walls 3b of the walls 3b;
Brackets 11, 21 are provided on each of the two parallel walls 3b of the wall 3b, and support the lifting beams 10, 20 by placing the longitudinal side ends of the lifting beams 10, 20 thereon,
The brackets 11, 21 are fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by the fixing members 12, 22.

According to the invention described in claim 2, the brackets 11, 21 for supporting the lifting beams 10, 20 are fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by fasteners 12, 22. This allows the brackets 11, 21 to be fixed to the wall 3b via the fire-resistant coating surface material 4 while the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4. This allows the lifting beams 10, 20 supported by the brackets 11, 21, and therefore the cage device 30, to be installed in the elevator shaft 3 while the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, thereby improving the fire resistance of the building 1 in which the elevator device is installed.

The invention described in claim 3 is, for example, as shown in Figures 1 to 12, in the installation structure of the elevator apparatus described in claim 2,
A core material 5 serving as a fixing base for the fixing members 12 and 22 is incorporated into the wall 3b at the fixing locations of the brackets 11 and 21.

According to the invention described in claim 3, the fixing points of the wall 3b to which the brackets 11, 21 are attached incorporate core material 5, which serves as the fixing base for the fixing members 12, 22. This allows the fixing members 12, 22 to be firmly secured to the core material 5. As a result, even when the wall 3b of the elevator shaft 3 is covered with the fire-resistant covering surface material 4, the brackets 11, 21 can be firmly fixed to their fixing points.

The invention described in claim 4 is, for example, as shown in Figures 1 to 12, in the installation structure of the elevator apparatus described in claim 2,
The brackets 11 and 21 are
Base portions 11a, 21a fixed to the surface of the fire-resistant coating surface material 4;
and protruding portions 11b, 21b that protrude from the surfaces of the base portions 11a, 21a and on which the longitudinal side ends of the lifting beams 10, 20 are placed.
The fixing members 12, 22 are characterized in that they fix the base portions 11a, 21a to the wall 3b at upper and lower positions sandwiching the overhanging portions 11b, 21b.

According to the invention described in claim 4, the fixing members 12, 22 fix the base portions 11a, 21a to the wall 3b at upper and lower positions across the protrusions 11b, 21b, thereby effectively distributing the load on the brackets 11, 21, and as a result, the elevator equipment can be reliably supported.

The invention described in claim 5 is, for example, as shown in FIGS. 1 to 6, in the installation structure of the elevator apparatus described in claim 4,
The bracket 11 is
A stiffener 11c is provided between the lower surface of the protruding portion 11b and the surface of the base portion 11a,
The longitudinal side end of the lifting beam 10 is characterized in that it is located above the stiffener 11c.

According to the invention described in claim 5, the longitudinal side end of the lifting beam 10 is located above the stiffener 11c that is installed between the underside of the overhanging portion 11b and the surface of the base portion 11a, making it easier and more reliable to support the lifting beam 10 with the bracket 11.

The invention described in claim 6 is, for example, as shown in Figures 7 to 11, in the installation structure of the elevator apparatus described in claim 4,
The bracket 21 is
a side wall 21c provided between the upper surface of the protruding portion 21b and the surface of the base portion 21a;
The lifting beam 20 has a feature that its longitudinal side end is fixed to the side wall 21c.

According to the invention described in claim 6, the longitudinal side ends of the lifting beam 20 are fixed to the side wall 21c that spans between the upper surface of the overhanging portion 21b and the surface of the base portion 21a, preventing the lifting beam 20 from shifting position. This improves the stability of the lifting and lowering operation of the car device 30 and ultimately improves the installation condition of the elevator device.

The invention of claim 7 is, for example, as shown in FIG. 5, in the installation structure of the elevator apparatus of claim 2,
The bracket 11 is characterized in that the longitudinal side ends of the plurality of lifting beams 10 are placed on it.

According to the invention described in claim 7, the longitudinal side ends of multiple lifting beams 10 are placed on the bracket 11, so that the lifting beams 10 can be efficiently supported by a single bracket 11.

The invention of claim 8 is, for example, as shown in Figures 2 and 7, in the installation structure of the elevator apparatus of claim 2,
The lifting beams 10, 20 are characterized in that they are not covered with the fire-resistant covering surface material 4.

According to the invention described in claim 8, the lifting beams 10, 20 are not covered with the fire-resistant coating surface material 4, eliminating the need to cover the lifting beams 10, 20 with the fire-resistant coating surface material 4. Furthermore, even if the lifting beams 10, 20 are not covered with the fire-resistant coating surface material 4, the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, thereby improving the fire resistance of the building 1 in which the elevator device is installed.

The invention of claim 9 provides, for example, as shown in FIGS. 1 to 3, 6, and 7, in the installation structure of the elevator apparatus of claim 2,
The elevator device includes:
a basket guide rail 31 for guiding the raising and lowering operation of the basket device 30;
and a cage rail support bracket 13, 23 provided on each of the two walls 3b and supporting the cage guide rail 31.
The cage rail support brackets 13, 23 are fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by the fixing members 12, 24.

According to the invention described in claim 9, the car rail support brackets 13, 23, which support the car guide rails 31 for guiding the raising and lowering movement of the car device 30, are fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by fixing members 12, 24. This allows the car rail support brackets 13, 23 to be fixed to the wall 3b via the fire-resistant coating surface material 4 while the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4. This ultimately improves the fire resistance of the building 1 in which the elevator device is installed.

The invention described in claim 10 is, for example, as shown in FIGS. 1 to 3, in the installation structure of the elevator apparatus described in claim 2,
The elevator device includes:
a counterweight 32 suspended by the same suspension body as the car device 30, which moves up and down inside the elevator shaft 3 while balancing the weight of the car device 30;
a weight guide rail 33 for guiding the lifting and lowering movement of the counterweight 32;
a plurality of weight rail support brackets 34 provided on at least one surface of the wall 3b and supporting the weight guide rails 33;
A plurality of the weight rail support brackets 44 are fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by the fixing materials 12, 24.

According to the invention of claim 10, the plurality of weight rail support brackets 34 that support the weight guide rails 33 for guiding the lifting and lowering movement of the counterweight 32 are fixed to the wall 3b from the surface of the fire-resistant covering surface material 4 by the fixing members 12, 24, so that the wall 3b of the elevator shaft 3 is covered with the fire-resistant covering surface material 4, and the plurality of weight rail support brackets 34 can be fixed to the wall 3b via the fire-resistant covering surface material 4. This ultimately improves the fire resistance of the building 1 in which the elevator system is installed.
Furthermore, since the multiple weight rail support brackets 34 are provided on at least one of the walls 3b of the elevator shaft 3, the counterweight 32 can be positioned close to at least one of the walls 3b without having to install a beam or the like between the two parallel walls 3b.

The invention described in claim 11 is, for example, as shown in FIGS. 1 to 3, in the installation structure of the elevator apparatus described in claim 9,
The elevator device includes:
a counterweight 32 suspended by the same suspension body as the car device 30, which moves up and down inside the elevator shaft 3 while balancing the weight of the car device 30;
a weight guide rail 33 for guiding the lifting and lowering operation of the counterweight 32;
a plurality of weight rail support brackets 34 provided on one of the two walls 3b and supporting the weight guide rails 33;
A plurality of the weight rail support brackets 34 are fixed to the wall 3b from the surface of the fire-resistant covering surface material 4 by the fixing members 12 and 24,
Of the multiple weight rail support brackets 34, the weight rail support bracket 34 arranged adjacent to the basket guide rail 31 is characterized in that it is formed integrally with the basket rail support bracket 13 that supports the basket guide rail 31 arranged adjacently.

According to the invention of claim 11, the plurality of weight rail support brackets 34 that support the weight guide rails 33 for guiding the raising and lowering movement of the counterweight 32 are fixed to the wall 3b from the surface of the fire-resistant covering surface material 4 by the fixing members 12, 24, so that the wall 3b of the elevator shaft 3 is covered with the fire-resistant covering surface material 4, and the plurality of weight rail support brackets 34 can be fixed to the wall 3b via the fire-resistant covering surface material 4. This ultimately improves the fire resistance of the building 1 in which the elevator system is installed.
Furthermore, since the multiple weight rail support brackets 34 are provided on at least one of the walls 3b of the elevator shaft 3, the counterweight 32 can be positioned close to at least one of the walls 3b without having to install a beam or the like between the two parallel walls 3b.
Furthermore, of the multiple weight rail support brackets 34, the weight rail support bracket 34 arranged adjacent to the basket guide rail 31 is formed integrally with the basket rail support bracket 13 that supports the adjacent basket guide rail 31, so the basket rail support bracket 13 and weight rail support bracket 34 formed integrally simultaneously support the basket guide rail 31 and the weight guide rail 33. Therefore, the basket guide rail 31 and the weight guide rail 33 can be supported efficiently by a single integrated bracket.

The invention of claim 12 is, for example, as shown in FIG. 12, in the installation structure of the elevator apparatus of claim 1,
The elevator device includes:
a basket device 30;
a hydraulic jack device 35 installed between one surface of the wall 3b and the cage device 30, and configured to raise and lower the cage device 30 by extension and contraction of a plunger 35a;
a jack guide rail 36 for guiding the extension and retraction movement of the plunger 35a in the hydraulic jack device 35;
a jack rail support bracket 37 provided on one surface of the wall 3b and supporting the jack guide rail 36;
The jack rail support bracket 37 is fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by the fixing members 12, 24.

According to the invention of claim 12, the jack rail support bracket 37, which supports the jack guide rail 36 for guiding the extension and retraction movement of the plunger 35a in the hydraulic jack device 35, is fixed to the wall 3b from the surface of the fire-resistant covering surface material 4 by the fixing members 12, 24, so that the wall 3b of the elevator shaft 3 is covered with the fire-resistant covering surface material 4, and the jack rail support bracket 37 can be fixed to the wall 3b via the fire-resistant covering surface material 4. This ultimately improves the fire resistance of the building 1 in which the elevator device is installed.
Furthermore, since the hydraulic jack device 35 is installed between one surface of the wall 3b and the cage device 30, the jack rail support bracket 37 is fixed to one surface of the wall 3b, making it possible to install the hydraulic jack device 35 without having to span a beam or the like between the two parallel walls 3b.

The invention of claim 13 is a construction method for constructing the installation structure of the elevator apparatus of any one of claims 4 to 6, as shown in, for example, Figures 6 and 11,
a step of attaching the fire-resistant coating surface material 4 to the wall 3b;
a step of temporarily fixing a temporary support material 6 to a portion of the fire-resistant coating surface material 4 attached to the wall 3b, the portion being located directly below the fixing portion of the brackets 11 and 21;
a step of placing the lower end portions of the base portions 11a and 21a on an upper surface of the temporary support material 6;
The method is characterized by having a process of fixing the base portions 11a, 21a to the wall 3b from the surface of the fire-resistant coating surface material 4 using the fixing materials 12, 22 while the lower ends of the base portions 11a, 21a are placed on the upper surface of the temporary support material 6.

According to the invention described in claim 13, the base portions 11a, 21a are fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by fixing materials 12, 22 while the lower ends of the base portions 11a, 21a are placed on the upper surface of the temporary support material 6, so that the workers performing the work of fixing the brackets 11, 21 do not need to support the heavy brackets 11, 21 while performing the work, thereby reducing the burden on the workers.
Furthermore, after the fire-resistant coated surface material 4 is attached to the wall 3b, the brackets 11, 21 are fixed to the wall 3b from the surface of the fire-resistant coated surface material 4 by the fasteners 12, 22, so that the brackets 11, 21 can be fixed to the wall 3b via the fire-resistant coated surface material 4 while the wall 3b of the elevator shaft 3 is covered with the fire-resistant coated surface material 4. This makes it possible to install the lifting beams 10, 20 supported by the brackets 11, 21, and thus the cage device, in the elevator shaft 3 with the wall 3b of the elevator shaft 3 covered with the fire-resistant coated surface material 4, thereby improving the fire resistance of the building 1 in which the elevator device is installed.

This invention makes it possible to install elevator equipment in an elevator shaft while covering the walls of the elevator shaft with a fire-resistant coating surface material, thereby improving the fire resistance of the building in which the elevator equipment is installed.

FIG. 1 is a longitudinal section showing an elevator shaft in a building. FIG. 1 is an enlarged cross-sectional view showing the elevator shaft and the first commercial lifting beam. FIG. 2 is a cross-sectional plan view showing an elevator shaft and a rope elevator device. FIG. 3 is an enlarged view of a main part in FIG. 2. FIG. 10 is a front view of the first bracket receiving the first lifting beam. 10A and 10B are diagrams illustrating a method for installing the first bracket. FIG. 1 is an enlarged cross-sectional view showing the elevator shaft and the second lifting beam for small-scale use. FIG. 8 is an enlarged view of a main part in FIG. 7 . FIG. 10 is an exploded view of a second bracket that receives a second lifting beam. FIG. 10 is a front view of a second bracket that receives a second lifting beam. 10A and 10B are diagrams illustrating a method for installing a second bracket. 1 is a cross-sectional plan view showing a hydraulic elevator provided with a hydraulic elevator device.

Embodiments of the present invention will be described below with reference to the drawings. However, while the embodiments described below are subject to various limitations that are technically preferable for implementing the present invention, the technical scope of the present invention is not limited to the following embodiments and illustrated examples. Note that the directions in the following embodiments and illustrated examples have been set solely for the convenience of explanation.

First Embodiment
In Figure 1, the reference numeral 1 denotes a building. This building 1 is a five-story residence, with the first floor made of reinforced concrete and the second and subsequent floors made of wood. A roof 1a is provided on top of the building 1.
The first floor of the building 1 is formed integrally with the foundation 2, and the building 1 has an elevator shaft 3 formed from the foundation 2 to the roof 1a.

The elevator shaft 3 is a space in which a car device (not shown) in the elevator device moves up and down.
The first floor slab is made of reinforced concrete, and the location where the elevator shaft 3 will be formed is left unconstructed, leaving an underground space. This underground space is called the pit 3a, and the lower end of the car device that has descended to the first floor is located there. The pit 3a also houses the equipment necessary for raising and lowering the car device, as well as the facility piping and wiring of the building 1.

As described above, in the building 1 of this embodiment, the first floor is made of reinforced concrete and the second and higher floors are made of wood, so the first floor of the elevator shaft 3 is also made of reinforced concrete and the second and higher floors are made of wood. In other words, the elevator shaft 3 is divided into a reinforced concrete section and a wooden section.
Furthermore, since the wooden portion of the elevator shaft 3 has lower fire resistance than the reinforced concrete portion, fire-resistant coating surface material 4 is attached as shown in Figures 2 to 4 to improve fire resistance.

The fire-resistant covering surface material 4 refers to a fire-resistant material formed as a board (surface material: plate material), and examples include gypsum board (including reinforced gypsum board), calcium silicate board, rock wool board, metal plate, insulation board, etc. In this embodiment, a 21 mm thick reinforced gypsum board is used as the fire-resistant covering surface material 4, and two sheets of this fire-resistant covering surface material 4 are attached in layers to the wall 3b and ceiling 3c of the elevator shaft 3.

To explain in more detail, the structure of the second floor and above of building 1 is a wooden structure with a wall structure constructed using a wood panel adhesive construction method, which is a type of so-called panel construction method, and has wood panels P as its main component.
The wood panel P is a structural material that supports the load and external forces of the building 1 (i.e., its own weight, live load, snow load, wind pressure, earth pressure, water pressure, earthquakes and other vibrations and shocks). The wood panel P is also called an architectural wood panel P, and is made by assembling vertical and horizontal frame members Fm into a rectangular shape, and then assembling auxiliary beam members C vertically and horizontally inside the rectangular frame to form a frame body F. A surface material B such as plywood is attached to one or both sides of this frame body F, resulting in a hollow structure. Furthermore, the hollow interior is appropriately filled with insulating material such as glass wool or rock wool.
Of the walls in the elevator shaft 3, the walls 3b on the second floor and above are wall structures whose main components are such wooden panels P, and as necessary, the walls are constructed with two layers of wooden panels P. Two layers of fire-resistant covering surface material 4 are then attached to the surface of the walls 3b made of wooden panels P.

In addition, wall 3b has openings for entrances and exits on each floor, and is set so that when the car device 30 of the elevator system stops at each floor, the openings formed in wall 3b and the entrances and exits of the car device 30 are aligned. The openings on each floor are opened and closed by doors (exterior doors).

The second and higher floors of Building 1 are constructed of wood with wall structures constructed using a wood panel adhesive construction method, a type of panel construction method, and therefore the floors and roof 1a on the third and higher floors are also constructed of wood panels P. The floors on the first and second floors are constructed of reinforced concrete slabs.

A rope-type elevator system is installed in the elevator shaft 3 configured as described above. The elevator system of this embodiment is a commercial-size elevator system, and includes a car system 30, a counterweight 32, a hoist, a lifting beam 10, a bracket 11, a car guide rail 31, a weight guide rail 33, a car rail support bracket 13, and a weight rail support bracket 34.

As shown in Figure 3, the car device 30 is used by passengers to ascend and descend within the elevator shaft 3, and has an entrance on one side. The entrance is opened and closed by an inner door for the car device 30. This inner door is set to open and close in conjunction with the outer doors on each floor. The car device 30 of this embodiment has a capacity of nine passengers (load capacity of 600 kg). Although not shown, the room size of the car device is 1100 mm deep and 1400 mm wide, with a double sliding door and an opening width of 800 mm.
In this embodiment, the basket device 30 has an entrance on one side, but the entrance may be formed on two sides.

As shown in Figure 3, the counterweight 32 is suspended by the same suspension body as the car device 30 and moves up and down in the elevator shaft 3 while balancing the weight of the car device 30. The elevator shaft 3 is divided into an elevator path for the car device 30 and an elevator path for the counterweight 32.

Although not shown, the hoist is used to raise and lower the cage device 30 and the counterweight 32, and is provided on the cage guide rail 31 and is located at the top of the elevator shaft 3. However, this is not limiting, and the hoist may also be located in the pit 3a.
Such a hoist has a drive sheave and a hoist body.
The hoist main body has a hoist motor and a hoist brake. The hoist motor rotates the drive sheave. The hoist brake keeps the drive sheave stationary. The hoist brake also brakes the rotation of the drive sheave.
A suspension body, typically a plurality of ropes or belts, is wound around the drive sheave. The cage device 30 and counterweight 32 are suspended by the suspension body, and are raised and lowered in the elevator shaft 3 by rotating the drive sheave.

The lifting beam 10 is a jig used to lift components to a predetermined position during construction, and as shown in Figures 2, 3, and 5, is located at the top of the elevator shaft 3 and is provided to span between two parallel walls 3b of the elevator shaft 3. For ease of explanation, the lifting beam 10 in this embodiment will be referred to as the first lifting beam 10.
The first lifting beam 10 is a steel beam, and is a so-called H-shaped steel beam, and therefore has a web 10a and upper and lower flanges 10b.
In this embodiment, a plurality of (for example, two or three) first lifting beams 10 are provided to span between two parallel walls 3b. The suspension body connected to the cage device 30 is disposed so as to pass between any two of the plurality of first lifting beams 10.

The first lifting beam 10 is not covered by the fire-resistant coating surface material 4. In other words, the web 10a and flange 10b of the first lifting beam 10, which is an H-shaped steel, are exposed.

1 to 5, the brackets 11 are provided on each of two parallel walls 3b of the elevator shaft 3, and the longitudinal side ends of the first lifting beam 10 are placed on the brackets 11 to support the first lifting beam 10. For convenience of explanation, the brackets 11 in this embodiment will be referred to as first brackets 11.
The first bracket 11 is made of steel and has a base portion 11a, a protruding portion 11b, a stiffener 11c, and a load distribution plate 11d.

The base portion 11a is a rectangular base plate with multiple through-holes 11a1 through which the fixing members 12 are passed. The protruding portion 11b is joined to the front surface, and the back surface contacts the wall 3b.

The protruding portion 11b is a rectangular horizontal plate that protrudes forward from the vertical center of the surface of the base portion 11a and is firmly joined and fixed to the surface of the base portion 11a by welding.
The longitudinal side end of the first lifting beam 10 is placed on the upper surface of the overhanging portion 11 b. More specifically, the longitudinal side end of the first lifting beam 10 is placed via a load distribution plate 11 d provided on the upper surface of the overhanging portion 11 b.

The width of the protruding portion 11b and the width of the base portion 11a are set to be equal, as shown in Figure 5. The multiple through-holes 11a1 through which the fixing material 12 passes are formed above and below the protruding portion 11b on either side of the base portion 11a. In the case of the first bracket 11 shown in Figure 5, through-holes 11a1 are formed at two locations above the protruding portion 11b and two locations below the protruding portion 11b on both widthwise ends of the base portion 11a (a total of eight locations).

The stiffener 11c is arranged to bridge between the underside of the overhang portion 11b and the surface of the base portion 11a. The longitudinal side end of the first lifting beam 10 is positioned above this stiffener 11c. In other words, the stiffener 11c is arranged corresponding to the location where the longitudinal side end of the first lifting beam 10 will be located, bridges between the underside of the overhang portion 11b and the surface of the base portion 11a, and is welded to the underside of the overhang portion 11b and the surface of the base portion 11a.

The load distribution plate 11d is a rectangular plate interposed between the upper surface of the overhanging portion 11b and the longitudinal side end of the first lifting beam 10, and is welded to the upper surface of the overhanging portion 11b. The longitudinal side end of the first lifting beam 10 is placed on and fixed to the upper surface of the load distribution plate 11d. However, the longitudinal side end of the first lifting beam 10 may not be placed on and fixed to the upper surface of the load distribution plate 11d.

In this embodiment, a coach bolt is used as the fixing member 12. When fixing the first bracket 11 to the wall 3 b, the fixing members 12, which are coach bolts, fix the base portion 11 a to the wall 3 b at upper and lower positions across the overhang portion 11 b.
Additionally, a core material 5 that serves as a fixing base for fixing members 12 is incorporated into wall 3b at the fixing location of first bracket 11. In other words, wall 3b of elevator shaft 3 is composed of architectural wood panels P and core material 5. Core material 5 is a wooden beam, and has a beam configuration that is equal to the vertical dimension of base portion 11a.
More specifically, the core material 5, which is a wooden beam, is located at the upper end of the architectural wood panel P at a height corresponding to the fixed location of the first bracket 11, with the architectural wood panel P of the upper floor being provided above the core material 5. The core material 5 is also located on all four sides of the wall 3b of the elevator shaft 3. In other words, the core material 5 is formed into a rectangular tube shape by being located on all four sides at the height where the first bracket 11 is located in the elevator shaft 3, and together with the architectural wood panel P, it constitutes the elevator shaft 3. Furthermore, a fire-resistant coating surface material 4 is attached to the surface of the wall 3b of the elevator shaft 3, which is made up of the architectural wood panel P and the core material 5, providing a fire-resistant coating.

The first bracket 11 is fixed to the wall 3b from the surface of the two-ply fire-resistant coating face material 4 by the fixing material 12. That is, the fixing material 12 is passed through the base portion 11a by passing it through a plurality of through holes 11a1 formed in the base portion 11a, and the fixing material 12 is screwed toward the core material 5 while penetrating the two-ply fire-resistant coating face material 4 until the head of the fixing material 12 firmly contacts the surface of the base portion 11a.
In addition, the fire-resistant coating surface material 4 may be formed with through holes for passing the fixing material 12 therethrough to prevent the fire-resistant coating surface material 4 from cracking.
The method for attaching the first bracket 11 will be described in detail later.

As shown in Figure 3, the car guide rails 31 are rails for guiding the ascending and descending movement of the car device 30. The car guide rails 31 are arranged along the height direction within the elevator shaft 3, and can guide the car device 30 so that it can ascend and descend without swaying from the first floor to the fifth floor. The car device 30 is equipped with a rail sliding portion (not shown) that slides along the car guide rails 31.
In this embodiment, a pair of basket guide rails 31 that are long in the vertical direction are used, and these pair of basket guide rails 31 are arranged on both sides of the basket device 30. Therefore, the rail sliding portions are provided on both side surfaces of the basket device 30.

As shown in Figure 3, the weight guide rail 33 is a rail for guiding the ascending and descending movement of the counterweight 32. The weight guide rail 33 is arranged along the height direction within the elevator shaft 3, and can guide the counterweight 32 so that it can ascend and descend without swaying from the first floor to the fifth floor. The counterweight 32 is equipped with a rail sliding portion (not shown) that slides along the weight guide rail 33.
In this embodiment, a pair of weight guide rails 33 that are long in the vertical direction are used, and these pair of weight guide rails 33 are arranged on both sides of the counterweight 32. Therefore, rail sliding portions are provided on both side surfaces of the counterweight 32.

The cage rail support bracket 13 is for supporting the cage guide rail 31, and in this embodiment, has the same shape as the first bracket 11. Therefore, the cage rail support bracket 13 has a base portion 13a, a protruding portion 13b, a stiffener 13c, and a load distribution plate (not shown).
For ease of explanation, the cage rail support bracket 13 of this embodiment will be referred to as a first cage rail support bracket 13.
The base portion 13a is a portion fixed to the wall 3b by fixing members 12, and is fixed to the wall 3b from the surface of the fire-resistant coating face material 4. A protruding member 14 that protrudes toward the cage device 30 is provided on the overhang portion 13b reinforced by stiffeners 13c. A cage guide rail 31 is fixed to the tip of this protruding member 14. Note that the protruding member 14 is preferably made of shaped steel, such as an angle bar, I-beam, or channel steel, and may be connected to the overhang portion 13b by welding or the like, or by bolts and nuts.
The stiffener 13c is necessary when supporting the vertical load of the first lifting beam 10, but is not essential when supporting the cage guide rail 31. Therefore, if the purpose is only to support the cage guide rail 31, the stiffener 13c may be omitted.

2 and 3, the first car rail support brackets 13 of this embodiment are provided on each of two parallel walls 3b of the elevator shaft 3 on which the first brackets 11 are provided. A pair of first car rail support brackets 13 is provided facing each other at each height position, and a plurality of pairs of first car rail support brackets 13 are arranged at intervals in the height direction of the elevator shaft 3. Furthermore, the locations where the pair of first car rail support brackets 13 are fixed are at the positions of the core material 5 on the walls 3b.
If the cage guide rail 31 is also required on the wall 3b on the other side, the first cage rail support bracket 13 may also be provided on the wall 3b on the other side.

The first cage rail support bracket 13 has the same shape as the first bracket 11, and therefore the installation method is also the same. Specifically, the fixing material 12 is passed through the base portion 13a by passing it through the multiple through-holes 13a1 formed in the base portion 13a, and the fixing material 12 is then screwed into the core material 5 while passing through the two-ply fire-resistant coating surface material 4 until the head of the fixing material 12 makes firm contact with the surface of the base portion 13a.

The weight rail support bracket 34 is for supporting the weight guide rail 33, and in this embodiment, has the same shape as the first bracket 11. Therefore, the weight rail support bracket 34 has a base portion, a protruding portion, a stiffener, and a load distribution plate. Note that the stiffener may be omitted as described above.
The base portion is fixed to the wall 3b by the fixing members 12, and is fixed to the wall 3b from the surface of the fire-resistant covering surface material 4. A protruding member 34a that protrudes toward the counterweight 32 is provided on the protruding portion reinforced by the stiffener. A weight guide rail 33 is fixed to the tip of this protruding member 34a. Note that, for example, a shaped steel material such as an angle bar, an I-beam, or a channel steel is preferably used as the protruding member 34a, and it may be connected to the protruding portion by welding or with bolts and nuts.
2 and 3, such a weight rail support bracket 34 is provided on one of two parallel walls 3b of the elevator shaft 3 on which the first bracket 11 is provided. A pair of weight rail support brackets 34 is provided side by side at each height position, and a plurality of such pairs of weight rail support brackets 34 are arranged at intervals in the height direction of the elevator shaft 3. Furthermore, the location where the pair of weight rail support brackets 34 is fixed is the position of the core material 5 on the wall 3b.
3, of the pair of weight rail support brackets 34, the weight rail support bracket 34 arranged adjacent to the basket guide rail 31 is integrally formed with the first basket rail support bracket 13 that supports the adjacent basket guide rail 34. In other words, two protruding members 14, 34a are mounted and fixed on one wide integrated bracket 13, 34, and separate guide rails 31, 33 are attached to these two protruding members 14, 34a, respectively.

Next, we will explain in more detail the installation methods (elevator system construction methods) for the first bracket 11, first car rail support bracket 13, and weight rail support bracket 34. Because the installation methods for the first bracket 11, first car rail support bracket 13, and weight rail support bracket 34 are the same, we will only explain the installation method for the first bracket 11, and will omit explanations for the installation methods for the first car rail support bracket 13 and weight rail support bracket 34.

To attach the first bracket 11 to the wall 3b of the elevator shaft 3, first attach the fire-resistant coating surface material 4 to the wall 3b of the elevator shaft 3 as shown in Figure 6. In particular, the fire-resistant coating surface material 4 attached to the fixing point of the first bracket 11 is cut so that its vertical dimensions are shorter.

Next, a temporary support material 6 is temporarily fixed in advance to a portion of the fire-resistant covering surface material 4 provided at the fixing location of the first bracket 11, the portion being located directly below the fixing location of the first bracket 11. The temporary support material 6 is made of, for example, plywood, and is fastened with simple fastening materials such as nails, screws, etc.
The height position of the upper surface of the temporary support material 6 is set to be approximately equal to the height position of the lower surface of the core material 5 (the height position of the upper end surface of the architectural wood panel P on which the core material 5 is placed).

Next, the first bracket 11 is hung from above, and the lower end of the base portion 11 a is placed on the upper surface of the temporary support material 6 .
A bolt hole for attaching an eyebolt 7 is formed in the protruding portion 11b of the first bracket 11, and a wire 8 extending from an electric hoist (not shown) is fastened to the eyebolt 7. The electric hoist is disposed, for example, at the top of the elevator shaft 3.

Next, the first bracket 11 is hung, and with the lower end of the base portion 11a resting on the upper surface of the temporary support material 6, the base portion 11a is fixed to the wall 3b from the surface of the fire-resistant covering surface material 4 by the fixing material 12. More specifically, the fixing material 12 is screwed into the core material 5 that constitutes the wall 3b together with the architectural wood panel P to fix the base portion 11a.
Thereafter, the eyebolt 7 is removed, completing the installation of the first bracket 11. Also, the temporary support material 6 is removed.
Then, the fire-resistant coated surface material 4 is attached to the portion of the wall 3b of the elevator shaft 3 where the fire-resistant coated surface material 4 has not been attached. Note that the procedure may be such that the fire-resistant coated surface material 4 is attached to the entire surface of the wall 3b of the elevator shaft 3 in advance, and then the attachment of the first bracket 11 is started.

When the first bracket 11 is attached as described above, the first lifting beam 10 is installed in the elevator shaft 3 covered with the fire-resistant coating surface material 4. Therefore, the hoist, the cage device that is raised and lowered by the hoist, and the counterweight are also installed in the elevator shaft 3 covered with the fire-resistant coating surface material 4.
The first car rail support bracket 13 and the weight rail support bracket 34 are attached in the same manner as the first bracket 11. Therefore, the car guide rail 31 and the weight guide rail 33 supported by the first car rail support bracket 13 and the weight rail support bracket 34 are also installed in the elevator shaft 3 covered with the fire-resistant covering surface material 4.
In other words, the elevator equipment is installed in the elevator shaft 3 covered with the fire-resistant coating surface material 4.

According to this embodiment, the following excellent effects are achieved.
That is, because first bracket 11 for supporting first lifting beam 10 is fixed to wall 3b from the surface of fire-resistant coated surface material 4 by fixing members 12, first bracket 11 can be fixed to wall 3b via fire-resistant coated surface material 4 while wall 3b of elevator shaft 3 is covered with fire-resistant coated surface material 4. This makes it possible to install first lifting beam 10 supported by first bracket 11, and therefore cage device 30, in elevator shaft 3 with wall 3b of elevator shaft 3 covered with fire-resistant coated surface material 4, and as a result, it is possible to improve the fire resistance of building 1 in which the elevator device is installed.

In addition, the core material 5 that serves as the fixing base for the fixing material 12 is incorporated into the fixing point of the wall 3b where the first bracket 11 is fixed, so the fixing material 12 can be firmly secured to the core material 5. As a result, even when the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, the first bracket 11 can be firmly fixed to its own fixing point.

In addition, the fixing members 12 secure the base portion 11a to the wall 3b at upper and lower positions across the protruding portion 11b, effectively distributing the load on the first bracket 11, thereby ensuring reliable support for the elevator equipment.

In addition, the longitudinal side end of the first lifting beam 10 is located above the stiffener 11c that is installed between the underside of the overhang portion 11b and the surface of the base portion 11a, making it easier and more reliable to support the first lifting beam 10 with the first bracket 11.

In addition, since the longitudinal side ends of multiple first lifting beams 10 are placed on the first bracket 11, the first lifting beams 10 can be efficiently supported by a single first bracket 11.

In addition, because the first lifting beam 10 is not covered with the fire-resistant coating surface material 4, the effort required to cover the first lifting beam 10 with the fire-resistant coating surface material 4 can be eliminated. Even if the first lifting beam 10 is not covered with the fire-resistant coating surface material 4, the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, thereby improving the fire resistance of the building 1 in which the elevator device is installed.

In addition, the rail support bracket 13, which supports the guide rail for guiding the raising and lowering movement of the car device 30, is fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by the fixing material 12. Therefore, while the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, the first car rail support bracket 13 can be fixed to the wall 3b via the fire-resistant coating surface material 4. This ultimately improves the fire resistance of the building 1 in which the elevator device is installed.

Furthermore, since the multiple weight rail support brackets 34 that support the weight guide rails 33 for guiding the raising and lowering movement of the counterweight 32 are fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by fixing members 12, the multiple weight rail support brackets 34 can be fixed to the wall 3b via the fire-resistant coating surface material 4 while the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4. This ultimately improves the fire resistance of the building 1 in which the elevator system is installed.
Furthermore, since the multiple weight rail support brackets 34 are provided on at least one of the walls 3b of the elevator shaft 3, the counterweight 32 can be positioned close to at least one of the walls 3b without having to install a beam or the like between the two parallel walls 3b.

Furthermore, of the multiple weight rail support brackets 34, the weight rail support bracket 34 located adjacent to the basket guide rail 31 is integrally formed with the basket rail support bracket 13 that supports the adjacent basket guide rail 31. Therefore, the basket rail support bracket 13 and weight rail support bracket 34 formed integrally support the basket guide rail 31 and the weight guide rail 33 simultaneously. Therefore, the basket guide rail 31 and the weight guide rail 33 can be efficiently supported by a single integrated bracket.

Furthermore, while the lower end of the base portion 11a of the first bracket 11 is placed on the upper surface of the temporary support material 6, the base portion 11a is fixed to the wall 3b from the surface of the fire-resistant coated surface material 4 by the fixing material 12. Therefore, the worker performing the work of fixing the first bracket 11 does not need to support the heavy first bracket 11 while performing the work, thereby reducing the burden on the worker.
Furthermore, after the fire-resistant coated surface material 4 is attached to the wall 3b, the first bracket 11 is fixed to the wall 3b from the surface of the fire-resistant coated surface material 4 by the fasteners 12, so that the first bracket 11 can be fixed to the wall 3b via the fire-resistant coated surface material 4 while the wall 3b of the elevator shaft 3 is covered with the fire-resistant coated surface material 4. This makes it possible to install the first lifting beam 10 supported by the first bracket 11, and thus the cage device 30, in the elevator shaft 3 with the wall 3b of the elevator shaft 3 covered with the fire-resistant coated surface material 4, and as a result, it is possible to improve the fire resistance of the building 1 in which the elevator device is installed.

In recent years, there has been a demand for a decarbonized society through the promotion of carbon neutrality, which reduces carbon dioxide emissions to virtually zero, and for the achievement of the Sustainable Development Goals (SDGs). The construction industry is also moving forward with efforts to build buildings using wood, which reduces carbon dioxide emissions. The building of this embodiment, with its second floor and above constructed from wood, can contribute to the realization of a decarbonized society through the promotion of carbon neutrality, and the achievement of the SDGs.

Second Embodiment
Next, a second embodiment of the present invention will be described with reference to the drawings. For convenience of explanation, elements common to the first embodiment will be denoted by the same reference numerals and explanations thereof will be omitted or simplified, and the description will focus on components different from the first embodiment.

In Figure 7 and other figures, the reference numeral 20 denotes a lifting beam. The lifting beam 20 in this embodiment is made of wood, is located at the top of the elevator shaft 3, and is provided to span between two parallel walls 3b of the elevator shaft 3. For convenience of explanation, the lifting beam 20 in this embodiment is referred to as a second lifting beam 20.
In this embodiment, a plurality of (for example, two or three) second lifting beams 20 are provided so as to span between two parallel walls 3b. The suspension body connected to the car device is disposed so as to pass between any two of the plurality of second lifting beams 20.
The elevator system in this embodiment also uses a rope system, with the car device and counterweight connected by a suspension body, and the car device can ascend and descend within the elevator shaft 3 while maintaining balance with the counterweight. The suspension body is hoisted up by a hoist, which causes the car device and counterweight to ascend and descend.

The second lifting beam 20 is not covered by the fire-resistant covering surface material 4. In other words, the wooden first lifting beam 10 is exposed without any fire-resistant covering. Like the first lifting beam 10, this second lifting beam 20 is a jig used to lift components into a designated position during construction.

7 to 10, the brackets 21 shown in Figure 7 and elsewhere are provided on each of two parallel walls 3b of the elevator shaft 3, and support the second lifting beams 20 with the longitudinal side ends of the second lifting beams 20 placed thereon. For ease of explanation, the brackets 21 in this embodiment will be referred to as second brackets 21.
The second bracket 21 is made of steel and has a base portion 21a, a protruding portion 21b, and a side wall 21c.

The base portion 21a is a rectangular base plate having a plurality of through holes 21a1 formed therethrough for passing the fixing members 22. The protruding portion 21b is joined to the front surface, and the back surface is in contact with the wall 3b.
The base portion 21a is fixed to the wall 3b from the surface of the fire-resistant coating facing material 4 by the fixing material 22. That is, the fixing material 22 is passed through the base portion 21a by passing it through the multiple through holes 21a1 formed in the base portion 21a, and the fixing material 22 is screwed toward the core material 5 while penetrating the two-ply fire-resistant coating facing material 4 until the head of the fixing material 22 comes into strong contact with the surface of the base portion 21a.

The extension 21b is a rectangular horizontal plate that extends forward from the center of the surface of the base 21a in the vertical direction and is firmly joined and fixed to the surface of the base 21a by welding.
The longitudinal side end of the second lifting beam 20 is placed on the upper surface of such a protruding portion 21b.

The width of the protruding portion 21b and the width of the base portion 21a are set to be equal, as shown in Figure 9. A number of through-holes 21a1 through which the fixing material 22 passes are formed above and below the protruding portion 21b on the base portion 21a. In the case of the second bracket 21 shown in Figure 9, through-holes 21a1 are formed in two locations above the protruding portion 21b and two locations below the protruding portion 21b on the base portion 21a (four locations in total).

The side walls 21c are provided to bridge between the upper surface of the overhanging portion 21b and the surface of the base portion 21a. In this embodiment, a pair of side walls 21c are provided to bridge between the overhanging portion 21b and the base portion 21a. Screw holes 21c1 are formed in the pair of side walls 21c. There are multiple screw holes 21c1 in one side wall 21c, and only one screw hole 21c1 in the other side wall 21c. The screw holes 21c1 formed in each of the pair of side walls 21c are positioned so that they do not face each other.

The longitudinal side end of the second lifting beam 20 is positioned between the pair of side walls 21c, with both side surfaces of the longitudinal side end contacting each of the pair of side walls 21c. The longitudinal side end of the second lifting beam 20 is fixed to the pair of side walls 21c by driving screws 21c2 through screw holes 21c1 formed in each of the pair of side walls 21c.

In this embodiment, a coach bolt is used as the fixing member 12 .
A core material 5 that serves as a fixing base for fixing members 22 is incorporated into wall 3b at the location where second bracket 21 is fixed. In this embodiment, only the core material 5 located at the top of elevator shaft 3 has a beam length that is set longer than the vertical dimension of base portion 21 of second bracket 21. Second bracket 21 is positioned and fixed at a position corresponding to the upper part of core material 5, and car rail support bracket 23 is positioned and fixed at a position corresponding to the lower part of core material 5. For core materials 5 located below the top of elevator shaft 3, second bracket 21 and car rail support bracket 23 are not arranged side by side, so the beam length is set shorter than that of the core material 5 at the top.

The car rail support brackets 23 are used to support car guide rails (not shown), and in this embodiment are long metal pieces formed with a U-shaped cross section, and are arranged on all four sides of the wall 3b of the elevator shaft 3 together with the core material 5. For ease of explanation, in this embodiment they are referred to as second car rail support brackets 23.
This second cage rail support bracket 23 is fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by fixing members 24. The cage guide rails are attached to this second cage rail support bracket 23 and are supported by the second cage rail support bracket 23.

Although not shown, if the elevator system of this embodiment is equipped with a counterweight, the counterweight's ascending and descending movement is also guided by a weight guide rail, as in the first embodiment. Furthermore, this weight guide rail is supported by a weight rail support bracket fixed to the wall 3b of the elevator shaft 3. The configuration, mounting structure, and mounting method of the counterweight, weight guide rail, and weight rail support bracket are the same as those in the first embodiment described above, so a description thereof will be omitted.

Next, a method for attaching the second bracket 21 (a method for constructing the elevator device) will be described.
To attach the second bracket 21 to the wall 3b of the elevator shaft 3, first, as shown in FIG. 11, the fire-resistant coating surface material 4 is attached to the wall 3b of the elevator shaft 3.

Next, a temporary support material 6 is temporarily fixed in advance to a portion of the fire-resistant covering surface material 4 provided at the fixing location of the second bracket 21, the portion being located directly below the fixing location of the second bracket 21. The temporary support material 6 is made of, for example, plywood, and is fastened with simple fastening materials 6a such as nails, screws, etc.
The height position of the temporary support material 6 is determined by taking into consideration the positional relationship in which the height positions of the upper surface of the core material 5 and the upper end surface of the base portion 21 a of the second bracket 21 are aligned.

Then, the lower end of the base portion 21a of the second bracket 21 is placed on the upper surface of the temporary support material 6. At this time, the second bracket 21 may be transported by being suspended from above using an electric hoist or the like. In this case, a bolt hole is formed in the protruding portion 21b of the second bracket 21 for attaching an eyebolt 7 to which the wire 8 extending from the electric hoist is tied.

Next, with the lower end of the base portion 21a of the second bracket 21 resting on the top surface of the temporary support material 6, the base portion 21a is fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 using the fixing material 22. More specifically, the fixing material 22 is screwed into the core material 5 that, together with the architectural wood panel P, constitutes the wall 3b, thereby fixing the base portion 21a.

When the second bracket 21 is attached as described above, the second lifting beam 20 is installed in the elevator shaft 3 covered with the fire-resistant coating surface material 4. Therefore, the hoist, the cage device that is raised and lowered by the hoist, and the counterweight are also installed in the elevator shaft 3 covered with the fire-resistant coating surface material 4.
The second car rail support bracket 23 is also fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by fixing members 24. Therefore, the car guide rail supported by the second car rail support bracket 23 is also installed in the elevator shaft 3 covered with the fire-resistant coating surface material 4.
In other words, the elevator equipment is installed in the elevator shaft 3 covered with the fire-resistant coating surface material 4.

According to this embodiment, the following excellent effects are achieved.
That is, because second bracket 21 for supporting second lifting beam 20 is fixed to wall 3b from the surface of fire-resistant coated surface material 4 by fixing members 22, second bracket 21 can be fixed to wall 3b via fire-resistant coated surface material 4 while wall 3b of elevator shaft 3 is covered with fire-resistant coated surface material 4. This makes it possible to install second lifting beam 20 supported by second bracket 21, and thus the car device, in elevator shaft 3 with wall 3b of elevator shaft 3 covered with fire-resistant coated surface material 4, and as a result, it is possible to improve the fire resistance of building 1 in which the elevator device is installed.

In addition, the core material 5 that serves as the fixing base for the fixing material 22 is incorporated into the fixing point of the wall 3b where the second bracket 21 is fixed, so the fixing material 22 can be firmly secured to the core material 5. As a result, even when the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, the second bracket 21 can be firmly fixed to its own fixing point.

In addition, the fixing members 22 secure the base portion 21a to the wall 3b at upper and lower positions across the protruding portion 21b, effectively distributing the load on the second bracket 21, thereby ensuring reliable support for the elevator equipment.

In addition, the longitudinal side ends of the second lifting beam 20 are fixed to the side wall 21c that spans between the upper surface of the overhanging portion 21b and the surface of the base portion 21a, preventing the second lifting beam 20 from shifting position. This improves the stability of the lifting and lowering operation of the car device, and ultimately improves the installation condition of the elevator device.

In addition, because the second lifting beam 20 is not covered with the fire-resistant coating surface material 4, the effort required to cover the second lifting beam 20 with the fire-resistant coating surface material 4 can be eliminated. Even if the second lifting beam 20 is not covered with the fire-resistant coating surface material 4, the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, thereby improving the fire resistance of the building 1 in which the elevator device is installed.

In addition, the second car rail support bracket 23, which supports the guide rails that guide the raising and lowering movement of the car device, is fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by fixing members 24.This means that the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, while the second car rail support bracket 23 is fixed to the wall 3b via the fire-resistant coating surface material 4.This ultimately improves the fire resistance of the building 1 in which the elevator device is installed.

Furthermore, while the lower end of the base portion 21a is placed on the upper surface of the temporary support material 6, the base portion 21a is fixed to the wall 3b from the surface of the fire-resistant coated surface material 4 by the fixing material 22, so the worker performing the work of fixing the second bracket 21 does not need to support the heavy second bracket 21 while performing the work, thereby reducing the burden on the worker.
Furthermore, after the fire-resistant coated surface material 4 is attached to the wall 3b, the second bracket 21 is fixed to the wall 3b from the surface of the fire-resistant coated surface material 4 by the fasteners 22, so that the second bracket 21 can be fixed to the wall 3b via the fire-resistant coated surface material 4 while the wall 3b of the elevator shaft 3 is covered with the fire-resistant coated surface material 4. This makes it possible to install the second lifting beam 20 supported by the second bracket 21, and thus the car device, in the elevator shaft 3 with the wall 3b of the elevator shaft 3 covered with the fire-resistant coated surface material 4, and as a result, it is possible to improve the fire resistance of the building 1 in which the elevator device is installed.

[Modification]
The embodiments to which the present invention can be applied are not limited to the above-described embodiments, and can be modified as appropriate without departing from the spirit of the present invention. Modifications will be described below. In the modifications listed below, elements common to the above-described embodiments will be assigned the same reference numerals, and descriptions thereof will be omitted or simplified.

In this modified example, as shown in Figure 12, a hydraulic elevator system is used. That is, the elevator system of this modified example includes a car device 30, a car guide rail (not shown), a car rail support bracket (not shown), a hydraulic jack device 35, a jack guide rail 36, and a jack rail support bracket 37.

Like the above embodiment, the car device 30 is used by passengers to ascend and descend within the elevator shaft 3, and has an entrance on one side. Its ascending and descending motion is guided by a long car guide rail that runs along the height of the elevator shaft 3. The car guide rail is supported by a car rail support bracket fixed to the wall 3b. More specifically, the car guide rail is installed by spanning protruding members fixed to multiple car rail support brackets that are scattered at intervals along the height of the elevator shaft 3. Meanwhile, a rail sliding section is provided on the side of the car device 30, and this sliding section slides along the car guide rail, allowing the car device 30 to ascend and descend without swaying.

The hydraulic jack device 35 is installed between one of the walls 3b of the elevator shaft 3 and the car device 30, and raises and lowers the car device 30 by extending and retracting the plunger 35a. The plunger 35a is positioned so that it can extend and retract along the height of the elevator shaft 3. A sheave is attached to the upper end of the plunger 35a, and a suspension body, one end of which is fixed on the pit 3a side, is wrapped around the sheave. The other end of the suspension body is fixed on the car device 30 side, and the car device 30 is configured to rise and lower as the plunger 35a extends and retracts up and down.

The jack guide rails 36 are used to guide the extension and retraction of the plunger 35a in the jack device 35, and are arranged in pairs along the height of the elevator shaft 3. More specifically, the jack device 35 includes a frame 35b that moves up and down in conjunction with the extension and retraction of the plunger 35a, and a rail sliding section (not shown) is provided on the frame 35b. The jack guide rails 36 are formed long and extend along the height of the elevator shaft 3, and the rail sliding section that moves up and down in conjunction with the extension and retraction of the plunger 35a slides along the jack guide rails 36.

The jack rail support bracket 37 is for supporting the jack guide rail 36, and in this modification, has the same shape as the first bracket 11 in the first embodiment. Therefore, the jack rail support bracket 37 has a base portion, a protruding portion, a stiffener, and a load distribution plate.
The base portion is fixed to the wall 3b by the fixing material 12, and is fixed to the wall 3b from the surface of the fire-resistant covering face material 4. A protruding member 37a that protrudes toward the hydraulic jack device 35 is provided on the protruding portion reinforced by the stiffener. A jack guide rail 36 is fixed to the tip of this protruding member 37a.
As shown in Figure 12, this type of jack rail support bracket 37 is provided on the wall 3b of the elevator shaft 3, which is located on the door storage space side where the inner door of the car device 30 and the outer door of the entrance of the wall 3b are retracted. A pair of jack rail support brackets 37 is provided side by side at each height position, and multiple pairs of jack rail support brackets 37 are arranged at intervals in the height direction of the elevator shaft 3. Furthermore, the locations where the pair of jack rail support brackets 37 are fixed are located at the core member 5 of the wall 3b. As a result, the hydraulic jack device 35 is installed between one surface of the wall 3b and the car device 30.

According to this modification, the jack rail support bracket 37, which supports the jack guide rail 36 for guiding the extension and retraction movement of the plunger 35a in the hydraulic jack device 35, is fixed to the wall 3b from the surface of the fire-resistant coating surface material 4 by the fixing material 12, so that the wall 3b of the elevator shaft 3 is covered with the fire-resistant coating surface material 4, and the jack rail support bracket 37 can be fixed to the wall 3b via the fire-resistant coating surface material 4. This ultimately improves the fire resistance of the building 1 in which the elevator device is installed.
Furthermore, since the hydraulic jack device 35 is installed between one surface of the wall 3b and the cage device 30, the jack rail support bracket 37 is fixed to one surface of the wall 3b, making it possible to install the hydraulic jack device 35 without having to span a beam or the like between the two parallel walls 3b.

1 Building 3 Elevator shaft 3b Wall 4 Fireproof coating surface material 5 Core material 6 Temporary support material 10 First lifting beam 11 First bracket 11a Base portion 11b Overhang portion 12 Fixing material 13 First cage rail support bracket 20 Second lifting beam 21 Second bracket 21a Base portion 21b Overhang portion 21c Side wall 22 Fixing material 23 Second cage rail support bracket 30 Cage device 31 Cage guide rail 32 Counterweight 33 Weight guide rail 34 Weight rail support bracket 34a Protruding member 35 Hydraulic jack device 35a Plunger 36 Jack guide rail 37 Jack rail support bracket 37a Protruding member P Architectural wood panel

Claims (13)

The wooden walls of the elevator shaft are fitted with fire-resistant coating.
An elevator installation structure, characterized in that a part of the elevator device arranged inside the elevator shaft is fixed to the wall from the surface of the fire-resistant coating surface material by a fixing material. In the elevator installation structure according to claim 1,
The elevator device includes:
A cage device;
a hoist that raises and lowers the cage device;
A lifting beam bridged between two parallel walls among the walls;
Brackets are provided on each of the two parallel walls, and support the lifting beams by placing the longitudinal side ends of the lifting beams on the brackets.
An elevator installation structure, characterized in that the bracket is fixed to the wall from the surface of the fire-resistant coating surface material by the fixing material. In the elevator installation structure according to claim 2,
An elevator installation structure, characterized in that a core material that serves as a fixing base for the fixing material is incorporated into the fixing point of the bracket on the wall. In the elevator installation structure according to claim 2,
The bracket is
A base portion fixed to the surface of the fire-resistant coating surface material;
a protruding portion that protrudes from the surface of the base portion and on which the longitudinal side end of the lifting beam is placed,
The elevator installation structure is characterized in that the fixing members fix the base portion to the wall at upper and lower positions across the protrusion portion. The elevator installation structure according to claim 4,
The bracket is
A stiffener is provided between the lower surface of the protruding portion and the surface of the base portion,
An elevator installation structure, characterized in that the longitudinal side end portions of the lifting beams are located above the stiffeners. The elevator installation structure according to claim 4,
The bracket is
a side wall provided between an upper surface of the protruding portion and a surface of the base portion;
An elevator installation structure, characterized in that the longitudinal side ends of the lifting beam are fixed to the side walls. In the elevator installation structure according to claim 2,
An elevator installation structure, characterized in that the longitudinal side ends of a plurality of the lifting beams are placed on the bracket. In the elevator installation structure according to claim 2,
An elevator installation structure, characterized in that the lifting beam is not covered by the fire-resistant covering surface material. In the elevator installation structure according to claim 2,
The elevator device includes:
a basket guide rail for guiding the raising and lowering movement of the basket device;
and a cage rail support bracket provided on each of the two walls and supporting the cage guide rail.
10. An elevator installation structure, comprising: a car rail support bracket fixed to the wall from the surface of the fire-resistant coating surface material by the fixing material; In the elevator installation structure according to claim 2,
The elevator device includes:
a counterweight suspended by the same suspension body as the car device and moving up and down inside the elevator shaft while balancing the weight of the car device;
a weight guide rail for guiding the lifting and lowering operation of the counterweight;
a plurality of weight rail support brackets provided on at least one surface of the wall and supporting the weight guide rails;
An elevator installation structure, characterized in that a plurality of the weight rail support brackets are fixed to the wall from the surface of the fire-resistant coating surface material by the fixing material. The elevator installation structure according to claim 9,
The elevator device includes:
a counterweight suspended by the same suspension body as the car device and moving up and down inside the elevator shaft while balancing the weight of the car device;
a weight guide rail for guiding the lifting and lowering operation of the counterweight;
a plurality of weight rail support brackets provided on one of the two walls and supporting the weight guide rails;
a plurality of the weight rail support brackets are fixed to the wall from the surface of the fire-resistant coating surface material by the fixing material;
An elevator installation structure, characterized in that among the plurality of weight rail support brackets, the weight rail support bracket arranged adjacent to the car guide rail is integrally formed with the car rail support bracket supporting the adjacently arranged car guide rail. In the elevator installation structure according to claim 1,
The elevator device includes:
A cage device;
a hydraulic jack device installed between one surface of the wall and the cage device, and configured to raise and lower the cage device by extension and contraction of a plunger;
a jack guide rail for guiding the extension and retraction movement of the plunger in the hydraulic jack device;
a jack rail support bracket provided on one surface of the wall and supporting the jack guide rail;
An elevator installation structure, characterized in that the jack rail support bracket is fixed to the wall from the surface of the fire-resistant coating surface material by the fixing material. A construction method for constructing the elevator apparatus installation structure according to any one of claims 4 to 6, comprising:
attaching the fire-resistant covering to the wall;
a step of temporarily fixing a temporary support material to a portion of the fire-resistant coating surface material attached to the wall that is located directly below the fixing portion of the bracket;
a step of placing a lower end portion of the base portion on an upper surface of the temporary support material;
and fixing the base portion to the wall from the surface of the fire-resistant coating surface material using the fixing material while the lower end of the base portion is placed on the upper surface of the temporary support material.