JP2005145619A - Elevator car structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator car structure provided with a working floor with a plane top face above the elevator car while allowing free setting of a car ceiling design and a layout of auxiliary equipment such as lighting or control equipment provided in a ceiling part. <P>SOLUTION: The structure includes a car moving up and down inside the hoistway of the elevator, a car frame supporting the car, a support provided in an upper frame positioned in the upper part of the inner car of the car frame, and the working floor with the plane top face, which is provided in the support and positioned above the upper frame and the support. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an elevator car structure.

  In the structure of a conventional elevator car, the ceiling part of the elevator car is a box with a flat top surface and a storage space inside, and the car accessories such as lighting equipment, ventilation fans, and control equipment are installed in the ceiling part. Is mounted so as not to protrude from the flat upper surface of the ceiling (for example, see Patent Document 1).

JP 2000-16725 A

  In the structure of the elevator car described in Patent Document 1, a box having a flat top surface and a housing space inside is provided in the car ceiling, and a lighting fixture, a ventilation fan, a control device, etc. are provided in the ceiling. The car accessory is so designed that it does not protrude from the flat top surface. For this reason, when performing maintenance and inspection of the guide rails, limit switches, etc. provided in the elevator hoistway, workers can work on the top surface of this box, It is possible to secure a foothold without being obstructed. However, since this box, which is an interior space, is provided on the car ceiling and integrated with the car, it is necessary to design each car ceiling design. For this reason, the design of the box takes time due to a wide variety of elevator car ceilings, and further, there is a problem that the parts cannot be shared and the cost is increased. It is also possible that the top of the box has an inspection opening, or that an opening / closing lid that opens inside the car is provided at the ceiling of the car, and a car accessory is installed on the opening / closing lid. However, in order to maintain and check the car accessories, it is necessary to install the car accessories near the inspection opening or the opening lid, which causes a problem that the arrangement of the car accessories is restricted. It was.

  The present invention has been made to solve the above-described problems, and has as its object the provision of a work floor having a flat upper surface above the elevator car, the design of the car ceiling, and the car provided on the car ceiling. The object is to provide an elevator car structure in which the arrangement of accessory equipment can be freely set.

  The elevator car structure according to the present invention includes a car frame that supports the car, a support base provided on an upper frame located above the car, and a car frame that moves up and down in the elevator hoistway. The work table is provided on the support base and has a flat upper surface and an upper frame and a work floor positioned above the support base.

  The present invention includes a car frame that supports the car, a support frame provided on an upper frame located above the car, and a support frame provided on the support frame. In addition, since the upper surface is flat and the work floor is located above the upper frame and the support base, the design of the car ceiling and the car can be provided even if a work floor with a flat upper surface is provided above the elevator car. Arrangement of the car accessories provided on the ceiling can be freely set.

Embodiment 1 FIG.
FIG. 1 is a perspective view of an elevator car according to Embodiment 1 of the present invention, and FIG. 2 is a view for explaining an elevator car structure according to Embodiment 1 of the present invention. FIG. 2 shows a state in which a work floor 7 described later in the first embodiment is not installed.

  In the figure, a car 1 that moves up and down in an elevator hoistway is arranged on one side (front) of a car quadrilateral wall 1a surrounding the periphery, a car floor 1b provided at the lower part, a car ceiling 1c provided at the upper part, and a car quadrilateral wall 1a. The car door 2 is provided and opened and closed when passengers get on and off. The car 1 is fixed to a car frame 3 having a square ring shape, and the upper and lower sides and both sides thereof are surrounded by the car frame 3. Here, the car frame 3 is provided in the center of the opposite side portions of the car floor 1b, and the upper and lower portions of the car frame 3 protrude from the positions of the upper surface of the car ceiling 1c and the lower surface of the car floor 1b, and the car floor 1b. The lower frame (not shown) provided over the vertical frame 3a below the upper frame 3a and the upper frame 3b provided over the vertical frame 3a above the car ceiling 1c. In this upper frame 3b, a quadrilateral frame 4 formed of a square steel pipe and having a substantially square ring shape, which is a support base for supporting a work floor 7 described later, has a predetermined gap from the upper surface of the car ceiling 1c, and The upper surface of the quadrilateral frame 4 is provided so as to be substantially the same height as the upper surface of the upper frame 3b. A plate-like work floor 7 having a flat upper surface and an upright portion 7a formed on the periphery of the quadrilateral frame 4 and the upper frame 3b except for the car door 2 side is provided on almost the entire surface of the car ceiling 1c. A safety fence 8 having a predetermined height is provided around the work floor 7 excluding the car door 2 side. Further, between the car ceiling 1c and the work floor 7, car accessories such as a lighting fixture 5a, a ventilation fan 5b, and a control device 6 are provided at predetermined positions. Reference numerals 10a, 10b, and 10c schematically represent hoisting machines, control panels, and the like provided on the elevator hoistway walls or hoistway beams.

  According to Embodiment 1 of the present invention, the car accessories such as the lighting fixture 5a, the ventilation fan 5b, and the control device 6 are provided between the car ceiling 1c and the work floor 7, so that the four-round frame 4 of the elevator. The upper surface of the work floor 7 provided above the upper frame 3b is flat without any obstacles being installed. Therefore, when carrying out maintenance and inspection of the hoisting machine 10a, the control panels 10b and 10c, the guide rails (not shown), etc. provided on the elevator hoistway wall or the like on the work floor 7, it is ensured that the scaffold Can be ensured, and work can be performed safely and efficiently. In addition, the work floor 7 is provided on the upper frame 3b of the car frame 3 and the upper part of the four-frame frame 4 that are also installed above the car 1, and has a different structure from the car ceiling 1c. Regardless of the design, it is possible to install the work floor 7, and it is not necessary to install and remove the work floor 7 at every maintenance inspection. Furthermore, since it is not necessary to change the structure of the work floor 7 according to the design of the car ceiling 1c, it is possible to share parts and reduce work time and work cost. Moreover, since it becomes possible to arrange | position the car attachment apparatus, such as the lighting fixture 5a, the ventilation fan 5b, and the control apparatus 6, in the free position between the car ceiling 1c and the work floor 7, the installation position of these car attachment apparatus Therefore, the design of the car ceiling 1c is not limited. In the first embodiment, the work floor 7 is provided on both the four-circumferential frame 4 and the upper frame 3b made of a support. However, if the work floor 7 and the car ceiling 1c have different structures, the embodiment is provided. Since the same effect as 1 is obtained, it is possible to provide a configuration in which a four-round frame 4 made of a support is provided above the upper frame 3b and a work floor 7 is provided above the four-frame 4.

Embodiment 2. FIG.
FIG. 3 is a perspective view of an elevator car according to Embodiment 2 of the present invention, and FIG. 4 is a view for explaining an elevator car structure according to Embodiment 2 of the present invention. FIG. 4 shows a state where some of the divided panel work floors 9a and 9b of the work floor 9 described later in Embodiment 2 are removed.

  In the figure, the work floor 9 provided on the upper part of the four-frame frame 4 and the upper frame 3b over almost the entire surface of the car ceiling 1c has a flat upper surface, and an upright part 9g is provided around it except for the car door 2 side. Is formed. The work floor 9 has a divided structure including a plurality of divided panel work floors 9a to 9f, and each of the divided panel work floors 9a to 9f is detachable. Further, the divided panel work floors 9a to 9f have a configuration having a large number of openings (for example, punching metal, expanded metal, etc.), and the other configuration is the same as that of the first embodiment.

  According to the second embodiment of the present invention, as in the first embodiment, the worker easily gets on the work floor 9 and performs maintenance and inspection of the control panels 10b and 10c provided on the elevator hoistway wall. In addition, since the work floor 9 has a divided structure and each of the divided panel work floors 9a to 9f can be removed, the lighting fixture 5a provided between the car ceiling 1c and the work floor 9 can be removed. When maintaining and inspecting the car accessories such as the ventilating fan 5b and the control device 6, it is not necessary to remove the entire work floor 9, but only the divided panel work floors 9a to 9f where necessary are removed. It can be carried out. Therefore, it is possible to shorten the work time for maintenance, inspection, etc., and to perform the work safely and efficiently. Further, since the work floor 9 has a large number of openings such as punching metal and expanded metal, an operator who performs maintenance and inspection is installed from above the work floor 9 to below the work floor 9. You can check the position of the basket accessory. Therefore, the operator can easily grasp the position of the object from above the work floor 9 and can shorten the work time. In addition, since the divided panel work floors 9a to 9f at any position can be attached and detached, the arrangement of the car accessory can be freely set, and the design of the car ceiling 1c is limited by the arrangement of the car accessory. There is nothing. When installing a rescue exit (not shown) on the car ceiling 1c, the installation position can be freely set, and the divided panel work floors 9a to 9f of the work floor 9 can be easily removed from below. By adopting such a configuration, it is not necessary to provide a special opening or the like in the work floor 9.

  In the second embodiment of the present invention, the entire work floor 9 has a divided structure, and all the divided panel work floors 9a to 9f can be attached and detached. It is possible to obtain the same effect even if only the part has a split structure and only the split panel work floor at a required place can be attached and detached. Further, the quadrilateral frame 4 formed of a support for the work floor 9 has a quadrangular annular shape as in the first embodiment. However, when the work floor 9 has a divided structure, the strength can be increased or the divided panel work can be performed. In order to add a detaching mechanism for the floors 9a to 9f, the quadrilateral frame 4 may have a lattice shape or the like.

It is a perspective view of the elevator car in Embodiment 1 of this invention. It is a figure for demonstrating the cage structure of the elevator in Embodiment 1 of this invention. It is a perspective view of the elevator car in Embodiment 2 of this invention. It is a figure for demonstrating the elevator car structure in Embodiment 2 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car 1a Car quadrilateral wall 1b Car floor 1c Car ceiling 2 Car door 3 Car frame 3a Vertical frame 3b Upper frame 4 Four-frame 5a Lighting fixture 5b Exhaust fan 6 Control equipment 7 Work floor 7a Upright part 8 Safety fence 9a-9 Work floor 9a-9 Divided panel work floor 9g Upright part 10a Hoisting machine 10b, 10c Control panel

Claims (4)

  A car frame that supports the car, a car frame that supports the car, a support base provided on an upper frame located above the car, and a top surface provided on the support base. An elevator car structure comprising a work floor that is flat and is positioned above the upper frame and the support base.   The elevator car structure according to claim 1, wherein the work floor has a split structure, and at least a part of the work floor is detachable.   The elevator car structure according to claim 1 or 2, wherein the work floor is provided with a plurality of openings.   The elevator car structure according to claim 3, wherein the work floor is made of punching metal or expanded metal.

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