JP3349972B2 - Work floor equipment for elevator installation - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator installation work floor apparatus for performing work in a hoistway using a temporarily installed car frame when installing an elevator.

[0002]

2. Description of the Related Art Conventionally, as a work floor device for installing this type of elevator, for example, as disclosed in Japanese Patent Application Laid-Open No. Sho 59-163282, it is possible to expand and contract according to the dimensions of the hoistway and the elevator shape. It has been proposed to provide an upper work floor, attach the upper work floor to an upper frame of an elevator car frame via bolts or the like, and attach a protective ceiling above the upper work floor to receive falling objects. In such a conventional work floor device for installation, the telescopic upper work floor can cope with various hoistway dimensions and elevator shapes.

[0003]

By the way, in the above-mentioned conventional work floor device for installing an elevator, when assembling the work floor device at an elevator installation site, there are relatively many assembling locations, so that the assembling and disassembling operations are considerably difficult. There was a problem that it took a lot of time.

In order to shorten the assembling and disassembling operations described above, when assembling at an elevator installation site in advance as a unit, the work floor is attached to the upper frame of the car frame in order to avoid interference with the upper frame of the car frame. The structure has an opening extending along the work floor, and when a worker performs an elevator installation operation on this work floor, a problem occurs in safety.

SUMMARY OF THE INVENTION The present invention has been made in view of such a situation in the prior art, and a main object thereof is to provide a work floor apparatus for elevator installation capable of reducing the time required for assembling and disassembling at an elevator installation site. Is to provide.

Another object of the present invention is to provide an elevator installation work floor device capable of ensuring the safety of workers when performing an elevator installation work on an assembled work floor.

[0007]

In order to achieve the above-mentioned main object, the invention according to claim 1 of the present invention is directed to a work floor provided at an upper portion of an elevator car frame, and a work floor provided at an end of the work floor. And a handrail supported by the support, and a protective ceiling attached to the upper end of the support and covering the upper part of the work floor, have an integrated unit that is pre-assembled, and the work floor is installed at the time of elevator installation. In an elevator installation work floor device for performing a hoistway installation work as a work scaffold, the work floor is provided with a concave frame that projects downward and receives an upper frame of the car frame. By clamping the upper frame of the car frame with the member,
The work floor is connected to the upper frame.

According to the first aspect of the present invention, the work floor, the support, the handrail, and the protective ceiling are assembled in advance to obtain an integrated unit, and the integrated unit is lifted in the car frame, and the work floor is lifted. After the upper frame of the car frame is received in the concave frame body through the opening of the above, the above-mentioned unit is connected to the car frame by clamping the upper frame between the pressing member and the concave frame body. As a result, the number of locations that need to be assembled at the elevator installation site can be reduced, so that the assembly and disassembly time of the work floor device can be reduced.

According to a second aspect of the present invention, in the first aspect of the present invention, an opening extending along a longitudinal direction of the upper frame in the work floor; And a cover that forms a uniform plane. The work floor is attached to the upper frame in a state where the cover is removed, and then the cover is attached to the work floor.

According to the second aspect of the present invention, a uniform flat surface is formed by the lid on the assembled work floor, that is, the work floor is a flat surface. Thus, the worker can safely and smoothly perform the elevator installation work.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an elevator installation work floor apparatus according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a working floor apparatus for installing an elevator according to an embodiment of the present invention, FIG. 2 is a perspective view showing a state where a frame body of the working floor is disassembled, and FIG. FIG. 4 is a perspective view illustrating a process of attaching a lid to a work floor.

An elevator car frame 1 shown in FIG. 1 connects an upper frame 1a forming an upper part, a car floor 1b provided below the upper frame 1a, and the upper frame 1a and the car floor 1b. It has a pair of upright frames 1c that engage with guide rails (not shown).

The installation work floor apparatus according to the present embodiment includes a work floor 2 provided on the upper part of a car frame 1, four columns 3 erected at four corners of the work floor 2, and A handrail 4 for preventing falling which is attached and extends over each end of the work floor 2 and a protection ceiling which is attached to the upper end of the column 3 and covers the upper part of the work floor 2 and receives falling objects (not shown). 5 and these work floor 2, support 3,
The handrail 4 and the protective ceiling 5 are assembled as a unit by assembling them in advance.

The work floor 2 has an upper frame 1a as shown in FIG.
It mainly comprises a main work floor 7 having an opening 6 at the center extending along the longitudinal direction thereof, and a rectangular lid 8 covering the opening 6 and forming a uniform plane.

As shown in FIG. 2, the main work floor 7 has a central floor frame 10 having a concave frame 9 projecting downward, and a front side (a landing side (not shown)) of the central floor frame 10. A front floor frame 11 located, a right front floor frame 12 located on the right front side of the center floor frame 10, a left front floor frame 13 located on the left front side of the center floor frame 10, A rear floor frame 14 located on the rear side of the central floor frame 10, a right rear floor frame 15 located on the right rear side of the central floor frame 10, and a left rear side of the central floor frame 10 , The left rear floor frame 16 and the central floor frame 1
0, a left main floor frame 17 and left floor frames 18 and 19, and a right main floor frame 20 and right floor frame 21 located to the right of the center floor frame 10, 22.

The center floor frame 10 includes a front connecting portion 10a and a rear connecting portion 10b, each of which is formed by a square pipe.
And a side connecting portion 10c. Front floor frame 11
Has a connecting portion 11a composed of a square pipe having a diameter slightly smaller than the front connecting portion 10a.
Since 1a can be stored in the front connecting portion 10a, the connecting portion 11a of the front floor frame 11 moves in and out of the central floor frame 10 so that the front portion of the main work floor 7 expands and contracts. I have. Similarly, the rear floor frame 14 also has a connecting portion 14a formed by a square pipe having a diameter slightly smaller than the front connecting portion 10a, and the connecting portion 14a is connected to the rear connecting portion 1a.
0b, the connecting portion 14a of the rear floor frame 14 moves in and out of the central floor frame 10, so that the rear portion of the main work floor 7 expands and contracts.

Similarly, the left main floor frame 17 and the left floor frames 18 and 19 are each formed of a connecting pipe 17 made of a rectangular pipe having a diameter slightly smaller than that of the side connecting section 10c.
a, 18a, and 19a, and these connecting portions 17a to 1
Since 9a can be stored in the side surface connection part 10c, the left part of the main work floor 7 can be expanded and contracted by the connection parts 17a to 19a entering and leaving the center floor frame 10, respectively. Similarly, the right main floor frame member 20 and the right floor frame members 21 and 22 are each formed of a rectangular pipe having a diameter slightly smaller than that of the side surface connecting member 10c.
a, 21a, 22a, and these connecting portions 20a-2
Since 2a can be stored in the side surface connection part 10c, the right side part of the main work floor 7 is expanded and contracted by the connection parts 20a to 22a entering and exiting the center floor frame 10, respectively.

The left front floor frame 13 is a front floor frame 1
1 and the left floor frame 19 are movably connected to each other, and the right front floor frame 12 is movably connected to each of the front floor frame 11 and the right floor frame 22 and the right rear floor. The frame 15 is movably connected to each of the rear floor frame 14 and the right floor frame 21, and the left rear floor frame 16 is moved to each of the rear floor frame 14 and the left floor frame 18. It is connected as possible.

As shown in FIG. 3, the concave frame 9 is
a protrudes downward from the central floor frame 10 so as to receive a. A pair of pressing members 23 are arranged on the concave frame 9 so as to cross over the upper frame 1a, and both ends of each pressing member 23 and the concave frame 9 are fastened by bolts 24 and nuts 25. ing.

In this embodiment, the work floor 2, the support 3, the handrail 4 and the protective ceiling 5 are assembled in advance to obtain an integrated unit, and the support 3 and the handrail 4 are reduced in size, and the protective ceiling 5 is reduced. And divide it into two. In this state, after transporting the integrated unit to the car floor 1b, the lid 8 is removed from the work floor 2 in advance, and the opening 6 is exposed. Hoist vertically through.

Next, the upper frame 1a of the car frame 1 is received into the concave frame 9 through the opening 6 of the work floor 2, and the upper frame 1a is received.
The work floor 2 is lifted and stopped to a height position where the bottom of the concave frame 9 contacts the lower surface of a, and that state is maintained. And
As shown in FIG. 3, a pair of clamping members 23 are installed so as to cross over the upper frame 1a of the car frame 1, and both ends of each clamping member 23 and the concave frame 9 are fastened with bolts 24 and nuts 25. Thereby, the upper frame 1a of the car frame 1 is clamped and fixed to the clamping member 23 and the concave frame 9.

After the work floor 2 is connected to the car frame 1 in this manner, as shown in FIG.
To cover the upper part of the upper frame 1 a of the car frame 1, that is, the opening 6 of the work floor 2, and attach the lid 8 to the left main floor frame 17 and the right main floor frame 20 by bolts (not shown). Fixed through. Thereby, a uniform plane is formed on the work floor 2.

In this embodiment, the work floor 2, the support 3, the handrail 4, and the protective ceiling 5 are assembled in advance into an integrated unit, and the integrated unit can be connected to the car frame 1 as it is. Since the number of parts that need to be assembled can be reduced, the work time required for assembling and disassembling the work floor device can be reduced.

In this embodiment, the work floor 2 after assembly is
Since a uniform plane is formed by the lid 8 on the work floor 2, that is, the work floor 2 is flat, so that the worker can safely and smoothly perform the elevator installation work on the work floor 2.

[0025]

As described above, according to the first aspect of the present invention, an integrated unit including a work floor, a support, a handrail, and a protective ceiling is obtained, and the integrated unit is connected to a car frame. Therefore, the number of locations that need to be assembled at the elevator installation site can be reduced, and an effect is obtained that a work floor device that can reduce assembly and disassembly time can be obtained.

In the invention according to claim 2 of the present invention, since a uniform flat surface is formed on the work floor after assembly by the lid, the worker can safely and smoothly perform the elevator installation work on this work floor. There is an effect that can be done.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an elevator installation work floor device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state where a frame of a work floor is disassembled.

FIG. 3 is a perspective view showing a state where a frame body of a work floor is assembled.

FIG. 4 is a perspective view illustrating a step of attaching a lid to a work floor.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Car frame 1a Upper frame 2 Work floor 3 Prop 4 Handrail 5 Protective ceiling 6 Opening 7 Main work floor 8 Lid 9 Recessed frame body 23 Clamping member 24 Bolt 25 Nut

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B66B 7/00

Claims (2)

(57) [Claims] A work floor provided at an upper portion of an elevator car frame; a support standing upright at an end of the work floor; a handrail supported by the support; A protective ceiling covering the upper part of the floor has an integrated unit pre-assembled, and an elevator installation work floor device that performs hoistway installation work using the work floor as a work scaffold at the time of elevator installation. A concave frame that protrudes downward and receives the upper frame of the car frame is provided, and the work floor is connected to the upper frame by clamping the upper frame of the car frame with the concave frame and a pressing member. A work floor device for installing an elevator, wherein 2. An opening extending along a longitudinal direction of the upper frame, and a lid covering the opening and forming a uniform plane are provided on the work floor. The work floor device for elevator installation according to claim 1, wherein the work floor is attached to the upper frame in a detached state, and then the lid is attached to the work floor.