JP7290191B1 - car for elevator - Google Patents

Abstract

An object of the present invention is to provide an elevator car capable of ensuring rigidity while improving the workability of assembly work of a ceiling part. An elevator car (20) is provided with a first ceiling part (40) covering the upper part of the car, and an opening (58) arranged immediately below the first ceiling part (40) for attaching a lighting cover (60). a second ceiling portion 50, the first ceiling portion 40 including a plurality of panels 42, 44, 46, and first reinforcing portions provided at adjacent side ends of the plurality of panels 42, 44, 46, respectively; The second ceiling portion 50 is composed of a plurality of second panels 51, 52, 54, and 56, and the second panels are adjacent to each other. A second reinforcing portion is provided on each of the side ends, and is attached to the first ceiling portion 40 in a state in which the second reinforcing portion intersects the first reinforcing portion in a plan view. [Selection drawing] Fig. 2

Description

The present invention relates to elevators, and more particularly to elevator cars.

BACKGROUND ART An elevator car has an outer shell made up of a floor material forming a floor surface in a car room, a wall material forming a wall surface of the car, and a ceiling covering an upper part of the car.

The ceiling includes, for example, a first ceiling configured to cover the upper part of the car, and an opening directly below the first ceiling for attaching a lighting cover, for example. and a second ceiling provided.

In Patent Document 1, a central panel part 2 formed by bending both left and right ends, and angles 5 and 6 having a substantially U-shaped cross section at one end and a substantially L-shaped cross section at the other end are attached. A top ceiling (first ceiling) 1 composed of side panel parts 3 and 4 and a side frame (connecting member) 10, which is a frame uniting the side panel parts 12 to 15 with fasteners, are mounted on the top. A car comprising a bottom panel part (second ceiling part) 11 attached to a ceiling 1 and provided with an opening for mounting a translucent panel is disclosed.

JP-A-9-240964

In the car described in Patent Document 1, the peripheral edge 11a is formed in advance by bending the peripheral edge of the bottom panel part 11 upward, and the peripheral edge 11a and the top ceiling (first ceiling part) 1 are connected to each other. The ceiling is assembled by attaching bottom panel parts (second ceiling) 11 to the top ceiling 1 by connecting and fixing them via side frames 10 as members.

Therefore, in order to attach the bottom panel part 11 to the top ceiling 1, it is necessary to assemble the side panel parts 12 to 15 in advance as the side frame 10 and to fix the bottom panel part 11 to the top ceiling 1 using the same frame 10.

However, the bottom panel parts 11 are large enough to cover the entire ceiling of the car, and the side frames 10 corresponding to the parts 11 are similarly large frames. For this reason, it takes time and effort to connect and assemble the bottom panel parts 11 and the side frames 10, and furthermore, since they are large members, there is also the problem that the attachment work to the top ceiling 1 is difficult.

In addition, it is also necessary to secure a certain degree of rigidity in the ceiling part because work may be performed in the space above the car during maintenance and inspection.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an elevator car capable of ensuring rigidity while improving the workability of assembling the ceiling.

The elevator car of the present invention comprises a first ceiling part covering the upper part of the elevator car, and a second ceiling part provided with a first opening arranged directly below the first ceiling part for attaching a lighting cover. A ceiling part, wherein the first ceiling part is composed of a plurality of first panels, and the first reinforcing parts are provided at the side ends of the plurality of first panels that are adjacent to each other. The second ceiling portion is configured by connecting the first reinforcing portions to each other, the second ceiling portion is configured from a plurality of second panels, and the second reinforcing portions are provided at the side ends of the plurality of second panels adjacent to each other, and the plane It is attached to the first ceiling part in a state where the second reinforcing part intersects the first reinforcing part when viewed.

In the elevator car of the present invention, the second ceiling portion may be configured by connecting the second reinforcing portions.

In the elevator car of the present invention, the first ceiling portion may be provided with a second opening in a central portion, and the lighting unit may be detachably attached to the second opening.

According to the elevator car according to the present invention, the first ceiling part and the second ceiling part are each composed of a plurality of first panels and second panels, and the first reinforcement part of the first ceiling part is connected to each other. The second ceiling part can be attached to the first ceiling part so that the second reinforcing part of the second ceiling part intersects with the second ceiling part in plan view. As a result, it is possible to secure the rigidity of the ceiling portion while reducing the time and effort required for assembling the car.

FIG. 1 is an overall configuration diagram of an elevator that is one embodiment of the present invention. FIG. 2(a) is a diagram showing the configuration of the upper part of the car when viewed from the direction of arrow A shown in FIG. FIG.2(b) is a figure which shows the state which removed the 1st ceiling part contained in FIG. 1 from the car, and exposed the 2nd ceiling part. FIG. 3(a) is a view showing the configuration of a cross section taken along line BB indicated by a dashed dotted line in FIG. 2(a). FIG. 3(b) is a view showing the configuration of a cross section taken along line C--C indicated by a chain double-dashed line in FIG. 2(a). FIG. 4 is a diagram schematically showing the arrangement of the second ceiling portion positioned immediately below the first ceiling portion shown in FIG. 2(a) with broken lines.

Hereinafter, an elevator 10 to which a car that is an embodiment of the present invention is applied will be described with reference to the drawings. In each figure, "X" indicates a horizontal direction substantially perpendicular to the axial direction of the sheave 18A, "Y" indicates a horizontal direction Y perpendicular to the horizontal direction X, and "Z" indicates a horizontal direction. A vertical direction Z orthogonal to the directions X and Y is shown.

FIG. 1 is a diagram showing a schematic configuration of an elevator 10. As shown in FIG. As shown in FIG. 1, the elevator 10 is a traction-type rope-type elevator. A weight 15 is provided.

The main rope 12 is stretched over a sheave 18A and a deflection sheave 18B of a hoisting machine 18 installed in a machine room M directly above the hoistway 17, and the sheave 18A is rotated forward by a hoisting machine motor (not shown). Alternatively, it has a function of relatively raising and lowering the car 20 and the counterweight 15 by reversing it. The car 20 has a substantially vertically long box shape, and includes a substantially rectangular floor panel FL forming a floor surface of the car, a plurality of side wall panels SP erected so as to surround the floor panel FL, and an upper part of the car. and a covering ceiling structure 30 .

FIG. 2(a) is a diagram showing the ceiling structure 30 of the car 20 when viewed from the direction of arrow A shown in FIG. FIG. 2(b) is a diagram showing the configuration of the second ceiling section 50 arranged directly below the first ceiling section 40 in the ceiling structure 30 shown in FIG. 2(a).

As shown in FIGS. 2(a) and 2(b), the ceiling structure 30 includes a first ceiling section 40 and a first ceiling section 40 mounted directly below the first ceiling section 40, each of which is made up of a metal panel or the like. 2 ceiling section 50 . The first ceiling portion 40 is configured by connecting and fixing a center panel 42 and side panels 44 and 46 to each other in a state of being arranged in the X direction, and has an external shape of a substantially rectangular shape in plan view. The first ceiling part 40 is fixed to each side wall panel SP via bolts or the like (not shown) while being placed on the upper end portions of the plurality of side wall panels SP (see FIG. 1).

A center panel 42 arranged in the central portion of the first ceiling portion 40 is provided with a substantially rectangular opening (second opening) 42S in the central portion. The opening 42S serves as a communication port for communicating the space 17U above the car of the car 20 (in other words, the space directly above the ceiling structure 30) and the interior space of the car 20 during maintenance and inspection. , during normal operation, etc., it is closed by attaching a lighting unit 60 (see FIG. 3A), which will be described later.

Although the center panel 42 is provided with the opening 42S in this embodiment, it may not be provided if the opening is not required according to design specifications.

FIG. 3(a) is a diagram showing a cross-sectional configuration taken along line BB shown in FIG. 2(a). FIG. 3(b) is a diagram showing a cross-sectional configuration taken along line CC shown in FIG. 2(a). In FIGS. 3(a) and 3(b), the cross-sectional hatching is partially omitted and the illustration of a part of the configuration is omitted in order to avoid complicating the illustration. In addition, the main body 64 of the lighting unit 60 is shown hatched in FIG. 3(a).

The illumination unit 60 shown in FIG. 3A has a housing 62 having a substantially square shape in plan view, and a main body 64 including an LED (not shown), a light guide plate (not shown), and the like. The lighting unit 60 is fixed to the center panel 42 via the housing 62 in a detachable state so as to close the opening 42S using fasteners such as bolts from the car space 17U side of the car 20. .

During maintenance and inspection work, maintenance personnel remove the bolts that fix the lighting unit 60 to the center panel 42 from the car upper space 17U side, thereby exposing the opening 42S. By removing the lighting cover 66 from the first opening 58, the space in the car interior and the space 17U above the car can be communicated through the openings 42S and 58. Therefore, tools and replacement parts can be transferred between the car interior and the car upper space 17U through the openings 42S and 58 when necessary, such as during maintenance and inspection work.

As shown in FIG. 2A, first reinforcing portions 42A and 42B are provided along the longitudinal (Y) direction at both ends of the center panel 42 in the X direction. Since the configurations of the first reinforcing portions 42A and 42B are the same, the following description mainly focuses on the first reinforcing portion 42B and omits the description of the first reinforcing portion 42A as appropriate. As shown in FIG. 3A, the first reinforcing portion 42B is configured by folding one side end portion of the center panel 42 inward so as to form a substantially U shape.

Further, as shown in FIG. 2A, reinforcing portions 42C and 42D are provided at both ends of the center panel 42 in the Y direction. The reinforcing portions 42C and 42D are formed by bending upward the side end portions of the center panel 42 in the same manner as the first reinforcing portion 42B. By bending the peripheral portion of the center panel 42 in this manner, the rigidity is increased, thereby suppressing the deformation of the panel 42 during assembly or the like.

As shown in FIG. 2(a), the side panels 44 and 46 are arranged on both ends of the center panel 42 in the X direction and have substantially the same structure. In the following description, the side panel 46 will be mainly described, and the description of the side panel 44 will be omitted as appropriate. A first reinforcing portion 46A and a reinforcing portion 46B each having substantially the same configuration as the first reinforcing portions 42A and 42B of the center panel 42 are provided at both ends of the side panel 46 in the X direction.

Reinforcement portions 46C and 46D having substantially the same configuration as the first reinforcement portions 42A and 42B are also provided at both ends of the side panel 46 in the Y direction. Similarly, the side panels 44 also have a first reinforcing portion 44A and reinforcing portions 44B, 44C, 44B, 44C, 44B, 44C, 44B, 44C, 44B, 44C, 44B, 44C, 44B, 44C, 44B, 44C, 44C, 44C, 44C, 44C, 44C, 44C, 44C, 44C, 44C, 44C, 44C, 44C, respectively. 44D are provided respectively. Thereby, the rigidity of the side panels 44, 46 can be increased.

As shown in FIG. 2(a), the adjacent first reinforcing portion 42B of the center panel 42 and the first reinforcing portion 46A of the side panel 46 are connected to each other at connecting positions F1 to F5 along the longitudinal (Y) direction. Fixed. More specifically, as indicated by broken lines in the partially enlarged view of FIG. 2A, the first reinforcing portions 42B and 46A are fixed using bolts BT1 at the connecting position F1. At other connection positions F2 to F5, bolts are used to connect and fix the first reinforcing portions 42B and 46A in the same manner as at the connection position F1.

The first reinforcing portion 42A of the center panel 42 and the first reinforcing portion 44A of the side panel 44 are also connected and fixed to each other in the same manner as the above-described center panel 42 and side panel 46. FIG. With the above configuration, the rigidity of the entire first ceiling portion 40 can be improved.

As shown in FIG. 2(b), the second ceiling section 50 includes two center panels 51 and 52 arranged in the center and side panels arranged at both ends of the center panels 51 and 52 in the Y direction. 54, 56, forming a ceiling surface when viewed from inside the car. The center panels 51 and 52 have substantially the same configuration, and are spaced apart so that an opening 58 for attaching the illumination cover 66 is formed in the center of the second ceiling section 50 . When the lighting cover 66 is removed, the opening 58 also functions as a communication port for communicating the space 17U above the car and the interior space of the car 20 together with the opening 42S.

Second reinforcing portions 51A, 51B, 52A and 52B are formed by folding back the side ends of the center panels 51 and 52 at both ends in the Y direction inward so as to form a substantially U shape. Further, reinforcing portions 51C and 52C, which are bent upward at approximately right angles, are provided on both side end portions of the center panels 51 and 52 in the X direction, respectively. Thereby, the rigidity of each panel 51 and 52 can be improved.

Here, as shown in FIG. 3(a), locking portions 51D and 52D having the same configuration for attaching the lighting cover 66 detachably from the inside of the car interior are provided in the opening 58. 52, respectively. The locking portions 51D and 52D are formed by bending the side ends of the panels 51 and 52 upward.

Further, locking portions 54D and 56D (see FIG. 2(b)) having substantially the same structure as the locking portions 51D and 52D are provided at positions where the openings 58 are formed in the side panels 54 and 56, respectively. there is

The illumination cover 66 detachably attached to the opening 58 is a translucent resin cover, and has an outer shape of a square tube with a bottom that exhibits a substantially square shape in a plan view. The lighting cover 66 is attached to the opening 58 by engaging the flange 66A formed on the peripheral edge with the engaging portions 51D, 52D, 54D, and 56D.

Further, as shown in FIG. 2(b), second reinforcing portions 51A, 51B, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 51A, 52A, 52A, 51A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, 52A, and 56H, respectively, respectively, each having the same configuration as that of the above-described first reinforcing portion 42B, are provided as shown in FIG. 2B. 52B is provided. On the other hand, second reinforcing portions 54A, 54B, 54C, 56A, 56B, and 56C having the same configuration as the above-described first reinforcing portion 42B are also provided on both side ends of the side panels 54 and 56 in the Y direction, respectively. The side panels 54 and 56 are provided at both ends in the X direction with reinforcing portions 54E, 54F, 56E and 56F, which are bent upward at substantially right angles in the same manner as the reinforcing portion 51C of the center panel 51 described above. there is

Further, of the second reinforcing portions provided on both end sides of each of the panels 51, 52, 54, 56, the second reinforcing portions adjacent to each other, that is, the second reinforcing portion 51A and the second reinforcing portion 56B are shown in FIG. As indicated by broken lines in the partially enlarged view of (b), they are connected and fixed at both ends in the longitudinal direction, that is, in the X direction, using bolts BT2 or the like. In addition, the second reinforcing portion 51B and the second reinforcing portion 54B, the second reinforcing portion 52A and the second reinforcing portion 56A, and the second reinforcing portion 52B and the second reinforcing portion 54A, which are adjacent to each other, are similarly connected and fixed. there is

In this way, the panels 51, 52, 54, and 56 are connected via the mutually adjacent second reinforcing portions 51A, 56B, second reinforcing portions 51B, 54B, second reinforcing portions 52A, 56A, and second reinforcing portions 52B, 54A. By connecting and fixing, the rigidity of the ceiling structure 30 can be increased without separately attaching a reinforcing member or the like. In addition, by folding back the side ends of the panels 51, 52, 54, and 56 to form reinforcing portions, it is possible to reduce the number of parts and the labor required for assembly work.

In the present embodiment, the first reinforcing portions 42A, 42B, 44A, 46A and the second reinforcing portions 51A, 51B, 52A are bent by bending the ends of the panels 42, 44, 46, 51, 52, 54, 56. , 52B, 54A, 54B, 56A, 56B. However, the invention is not so limited. For example, by attaching a reinforcing member to each panel 42, 44, 46, 51, 52, 54, 56, each reinforcing portion 42A, 42B, 44A, 46A, 51A, 51B, 52A, 52B, 54A, 54B, 56A, 56B may be formed.

FIG. 4 is a diagram schematically showing fixed positions P1 to P26 of the second ceiling portion 50 with respect to the first ceiling portion 40 (hereinafter, appropriately referred to as "fixed positions P" when there is no particular need to distinguish between them). . In FIG. 4 , illustration of a partial configuration of the first ceiling section 40 and the second ceiling section 50 is omitted in order to avoid complicated illustration. As shown in FIG. 4, the second reinforcing portions 51A, 51B, 52A, 52B, 54A, 54B, 54C, 56A, 56B, 56C formed on the center panels 51, 52 and the side panels 54, 56 respectively have the above-described A fixed position P is provided.

Since the method of fixing the second ceiling part 50 to the first ceiling part 40 at each fixing position P is substantially the same, the fixing position P1 will be described as an example, and the description of the other fixing positions P will be omitted as appropriate. . As shown in FIG. 3(b), a caulking nut NT1 is attached to the second reinforcing portion 56B at the fixed position P1, and the second ceiling portion 50 of the second ceiling portion 50 is secured by screwing a bolt BT3 into the nut NT1. A reinforcing portion 56B is fixed to the side panel 46 of the first ceiling portion 40 .

As shown in FIG. 4 , the second ceiling portion 50 has second reinforcing portions 51A, 51B, 51A, 51B, 51B, 51A, 51B in the second ceiling portion 50 in a plan view (in other words, when viewed from above) with respect to the first ceiling portion 40 . 52A, 52B, 54A, 54B, 54C, 56A, 56B, and 56C are attached in a state substantially orthogonal to the first reinforcing portions 42A, 42B, 44A, and 46A of the first ceiling portion 40 . As a result, the first reinforcing portions 42A, 42B, 44A, 46A and the second reinforcing portions 51A, 51B, 52A, 52B, 54A, 54B, 54C, 56A, 56B, 56C, which are highly rigid when viewed from the top, are arranged in a grid pattern. be.

As a result, the rigidity of the ceiling structure 30 can be increased relatively evenly over the entire surface. Therefore, maintenance personnel can work in the space 17U above the car during maintenance and inspection work without using a separate reinforcing member.

According to the elevator car 20 of the present embodiment, the second reinforcing portions 51A, 51B, 52A, 52B, 54A, 54B, 54C, 56A, 56B, 56C of the second ceiling portion 50 are the first reinforcement portions of the first ceiling portion 40. The second ceiling portion 50 can be attached to the first ceiling portion 40 so as to intersect the first reinforcing portions 42A, 42B, 44A, and 46A in plan view. As a result, it is possible to secure the rigidity of the ceiling structure 30 while reducing the time and effort required for assembling the car 20 .

In this embodiment, the second reinforcing portions 51A, 56B, 51B, 54B, 52A, 56A, 52B, and 54A of the second ceiling portion 50 are respectively connected and then fixed to the first ceiling portion 40. The second reinforcements 51A, 56B, 51B, 54B, 52A, 56A, 52B, 54A may be attached to the first ceiling 40 without being connected to each other if the rigidity is sufficient according to the specifications.

Also, in the present embodiment, the first ceiling section 40 is composed of three panels 42, 44, 46, but may be composed of two panels, or may be composed of four or more panels. .

Although the second ceiling section 50 is composed of four panels 51, 52, 54, and 56 in this embodiment, the second ceiling section 50 may be composed of three or less panels or five or more panels.

The present invention can also be implemented in aspects with various improvements, modifications, or variations based on the knowledge of those skilled in the art without departing from the spirit of the invention. Moreover, any invention specifying matter may be replaced with another technique within the scope of producing the same action or effect.

10 Elevator 12 Main Rope 20 Car 30 Ceiling Structure 40 First Ceiling Part 42 Center Panel 42A, 42B, 44A, 46A First Reinforcement Part 42C, 42D, 44B, 44C, 44D, 46B, 46C, 46D Reinforcement Part 42S Opening part (second opening)
44, 46 side panel 50 second ceiling portion 51A, 51B, 52A, 52B, 54A, 54B, 54C, 56A, 56B, 56C second reinforcing portion 51C, 52C, 54E, 54F, 56E, 56F reinforcing portion 54, 56 Side panel 58 opening (first opening)
60 lighting unit 62 housing 64 main body 66 lighting cover X, Y horizontal direction Z vertical direction

Claims (3)

An elevator car comprising a first ceiling covering an upper part of an elevator car, and a second ceiling disposed immediately below the first ceiling and provided with a first opening for attaching a lighting cover. a basket,
The first ceiling part is composed of a plurality of first panels, and a first reinforcing part is provided at each of adjacent side ends of the plurality of first panels, and the first reinforcing parts are connected to each other. is,
The second ceiling portion is composed of a plurality of second panels, and a second reinforcing portion is provided at each of adjacent side end portions of the plurality of second panels. 1 It is attached to the first ceiling part in a state that intersects with the reinforcing part,
Elevator car. The second ceiling portion is configured by connecting the second reinforcing portions to each other,
An elevator car according to claim 1. A second opening is provided in the first ceiling,
A lighting unit is detachably attached to the second opening,
An elevator car according to claim 1 or 2.

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