JP5752758B2 - How to renew your car - Google Patents

Description

  Embodiments described herein relate generally to a car renewal method.

  Conventionally, an elevator moves a car as an elevating body in a hoistway to move the car to an arbitrary floor. In such an elevator, for example, the floor material of the car is replaced. It is known that a renewal will take place.

JP 2002-128429 A JP-A-8-295471

  By the way, in the prior art, for example, there is room for further improvement in terms of shortening the construction period and cost reduction in renewal of the car.

  Therefore, the problem to be solved by the present invention is to provide a method for renewing a car that can shorten the work period and reduce the cost in renewal, for example.

In the car renewal method of the embodiment, it is confirmed that there is no defect in the existing flooring of the car cab. The renewal method confirms that there is a margin for adjusting the position of the sill that is attached to the doorway of the cab and guides the door that opens and closes the doorway. In the renewal method, the upper surface of the sill is moved upward from the existing flooring by the thickness of the new flooring attached to the existing flooring, and then the sill is fixed to the cab. In the renewal method, a new flooring is attached on the existing flooring. A plurality of doors that open and close the door of the cab move in the same direction to open and close the door. The entrance member attached to the end face of the sill and extending in the vertical direction has a notch corresponding to the thickness of the new flooring.

FIG. 1 is a front view schematically showing an entire configuration of an elevator including a car renewed by the car renewal method according to the first embodiment. FIG. 2 is a perspective view illustrating a schematic configuration of a car renewed by the car renewal method according to the first embodiment. FIG. 3 is a partial cross-sectional view taken along line III-III shown in FIG. FIG. 4 is a flowchart showing a car renewal method according to the first embodiment. FIG. 5 is a perspective view showing a schematic configuration of a car renewed by the car renewal method according to the second embodiment. 6 is a diagram showing a part in section along the line VI-VI shown in FIG. FIG. 7 is a flowchart showing a car renewal method according to the second embodiment.

[Embodiment 1]
A car renewal method according to Embodiment 1 of the present invention will be described with reference to the drawings. FIG. 1 is a front view schematically showing the entire configuration of an elevator including a car renewed by a car renewal method according to the first embodiment, and FIG. 2 is a car renewal method according to the first embodiment. FIG. 3 is a perspective view showing a schematic configuration of the car renewed by FIG. 3, and FIG. 3 is a diagram showing a part in section along the line III-III shown in FIG.

  The elevator renewal method (hereinafter simply referred to as the renewal method) according to the first embodiment of the present invention is a method of renewing the elevator car 2 of the elevator 1 shown in FIG. The elevator 1 is installed in a hoistway of a building (also called a building). The elevator 1 is a passenger based on destination floor registration by operation of a destination floor registration device (not shown) in the car 2 and call registration by operation of a call registration device (not shown) provided at a landing on each floor. To the desired floor of the building. The hoistway is provided over a plurality of floors of the building and extends linearly along the vertical direction.

  As shown in FIG. 1, the elevator 1 includes a car 2, a counterweight 3, a main rope 8, a drive mechanism 4, and a control panel (not shown).

  The car 2 is supported by a car guide rail (not shown) so as to be vertically movable. As illustrated in FIG. 2, the car 2 includes a car room 5 that accommodates passengers. The car room 5 is formed in a box shape and can accommodate passengers and the like inside. The car room 5 is configured by fixing a car panel 11 and a ceiling panel 12 to a pallet 10 constituting a floor with bolts.

  Further, the car room 5 is provided with a car-side door 5b (corresponding to a door shown in FIG. 1) that opens and closes an entrance 5a that allows passengers to enter and exit. In the first embodiment, two (plural) car-side doors 5b are arranged side by side in the width direction of the car 2, and move in opposite directions to open and close the doorway 5a. The car-side doors 5b are separated from each other to open the entrance / exit 5a, and approach each other to close the entrance / exit 5a. As described above, in the first embodiment, the car room 5 of the car 2 is a so-called center-open car room in which the car-side door 5b moves in the opposite direction to open and close the doorway 5a.

  The counterweight 3 is supported by a weight guide rail (not shown) so as to be movable in the vertical direction. The car 2 has one end of the main rope 8 attached thereto, and the counterweight 3 has the other end attached to the main rope 8. The main rope 8 is stretched over the drive sheave 9 of the drive mechanism 4 so that the car 2 and the counterweight 3 are moved up and down in opposite directions. That is, the elevator 1 is a so-called fishing bottle type elevator. In this way, the main rope 8 is moved by the hoisting machine of the drive mechanism 4 to raise and lower the car 2 and the counterweight 3 in a fishing bottle manner.

  The drive mechanism 4 is provided, for example, in a machine room provided in the upper part of the hoistway or in an upper part in the hoistway. As shown in FIG. 1, the drive mechanism 4 includes a known hoisting machine, a driving sheave 9 on which a main rope 8 is stretched and driven to rotate by the hoisting machine. The driving mechanism 4 moves the main rope 8 in the hoistway and moves the car 2 and the counterweight 3 up and down by rotating the driving sheave 9 by the hoisting machine.

  The control panel is, for example, a device provided in a hoistway or the like, and is an arithmetic device including a RAM, a ROM, a CPU, an input / output port, and a storage device (not shown). The control panel is connected to a destination floor registration device in the car 2, a call registration device provided at the landing of each floor, the drive mechanism 4, and the like, and performs operation control of the entire elevator 1.

  In addition, as shown in FIG. 3, the passenger car 2 renewed by the renewal method according to the first embodiment has an existing floor material 13 and a new floor material 14 sequentially stacked on a pallet 10 constituting the floor of the car room 5. Is attached. The existing flooring 13 constitutes the floor surface of the car room 5 of the car 2 before renewal. As shown in FIG. 3, the existing flooring 13 includes a base 13 a made of, for example, a veneer board and attached to the surface of the pallet 10, and a decorative board 13 b attached on the base 13 a. The base material 13 a, the decorative plate 13 b, and the new flooring 14 are formed in a flat plate shape having a size substantially equal to the planar shape of the pallet 10. The new flooring 14 constitutes the floor surface of the car room 5 of the car 2 after the renewal. In addition, the base material 13a, the decorative board 13b, and the new flooring 14 are attached to the pallet 10 with an adhesive (not shown) or attached to each other.

  Further, the sill 15 having the guide groove 15a for guiding the moving direction of the lower end portion of the car-side door 5b of the car 2 is attached to the pallet 10 via the sill mounting bracket 16, as shown in FIG. Yes. That is, the sill 15 is attached to the lower part of the entrance / exit 5a via the sill attachment bracket 16, as shown in FIG. The sill mounting bracket 16 includes a pallet fixing part 16a that is superimposed on the front face of the pallet 10 as viewed from the entrance 5a and attached to the bolt 17a and the like, and a sill fixing part 16b that is superimposed on the lower surface of the sill 15 and attached to the nut 17b and the like. I have. The sill 15 extends linearly along the width direction of the car room 5 of the car 2, and a guide groove 15a is provided over the entire length of the upper surface 15b. Further, the upper surface 15 b of the sill 15 is arranged on the same plane as the surface of the new flooring 14.

  Next, the renewal method according to the first embodiment will be described with reference to FIG. FIG. 4 is a flowchart showing a car renewal method according to the first embodiment. The renewal method shown in FIG. 4 is a method of replacing (renewing) the floor material of the car room 5 of the car 2 from the existing floor material 13 to the new floor material 14.

  In the renewal method according to the first embodiment, the worker confirms by visual inspection or the like whether there is any defect in the existing flooring 13, in particular, the decorative board 13 b, or lifting due to the peeling of the existing flooring 13 from the pallet 10 (step). ST1). When the worker confirms that there is a defect or the like particularly on the decorative board 13b of the existing flooring 13 (Step ST1: No), the worker removes the existing flooring 13 from the pallet 10 and then removes the hardened adhesive or the like. It is completely removed with a scraper or the like, and a new flooring 14 is attached to the surface of the pallet 10 with an adhesive or the like. Thus, when the worker confirms that the decorative board 13b of the existing flooring 13 has a defect (step ST1: No), the worker renews the conventional method (step ST10), and renews the car 2. finish.

  When the worker confirms that there is no defect or the like in the decorative board 13b of the existing flooring 13 (step ST1: Yes), the operator can visually check the vertical position of the sill mounting bracket 16 with respect to the pallet 10 to determine the new floor. It is confirmed whether or not it is possible to move upward by the thickness of the material 14 (step ST2). That is, the worker confirms whether or not there is a margin for adjusting the position of the sill 15 by the sill mounting bracket 16 (step ST2). When the worker confirms that there is a margin for adjusting the position of the sill 15 (step ST2: Yes), the bolt 17a is once loosened while the sill 15 is attached to the sill mounting bracket 16. The worker moves the vertical position of the sill mounting bracket 16 relative to the pallet 10 upward by the thickness of the new flooring 14, and then tightens the bolt 17a to fix the sill mounting bracket 16 to the pallet 10 again. (Step ST3). That is, the worker moves the upper surface 15b of the sill 15 fixed to the cab 5 before renewal to the upper side of the existing flooring 13 by the thickness of the new flooring 14, and then fixes the sill 15 to the cab 5 Then, the position of the sill mounting bracket 16 is adjusted (step ST3). Then, the worker attaches the new flooring 14 to the existing flooring 13 with an adhesive (step ST6), and finishes the renewal of the car 2.

  When the worker confirms that there is no allowance for adjusting the position of the sill 15 (step ST2: No), the worker confirms whether or not the sill mounting bracket 16 is replaceable by visual observation or the like (step ST4). . When the worker confirms that the sill mounting bracket 16 is not replaceable (step ST4: No), the worker performs renewal by a conventional method (step ST10). When the worker confirms that the sill mounting bracket 16 is replaceable (step ST4: Yes), the worker removes the sill 15 from the sill mounting bracket 16 by loosening the bolts 17a and nuts 17b, and the sill. The mounting bracket 16 is removed from the pallet 10. Then, the worker replaces the sill mounting bracket 16 with a new sill mounting bracket 16 and tightens the bolts 17a and nuts 17b, thereby attaching the sill 15 to the new sill mounting bracket 16 and the new sill mounting bracket 16. Is attached to the pallet 10 (step ST5). At this time, the worker moves the upper surface 15 b of the sill 15 fixed to the cab 5 before the renewal to the upper side of the existing flooring 13 by the thickness of the new flooring 14, and then moves the sill 15 to the cab 5. Fix it. Then, the worker attaches the new flooring 14 to the existing flooring 13 with an adhesive (step ST6), and finishes the renewal of the car 2.

  According to the renewal method of the first embodiment, the upper surface 15b of the sill 15 is positioned above the existing flooring 13 of the cab 5, the sill 15 is fixed to the cab 5, and a new floor is placed on the existing flooring 13. The material 14 is attached. For this reason, according to the renewal method, it is not necessary to peel the existing flooring 13 from the pallet 10. Therefore, according to the renewal method, it is possible to shorten the construction period and cost of the renewal, and to shorten the stop period of the elevator 1.

  Further, according to the renewal method, when the sill 15 is fixed to the cab 5, the upper surface 15 b of the sill 15 is positioned above the existing flooring 13 by the thickness of the new flooring 14. For this reason, according to the renewal method, when the new flooring 14 is attached, the new flooring 14 and the sill 15 can be flush with each other. Furthermore, according to the renewal method, after confirming that the existing flooring 13 is not missing or lifted, the upper surface 15b of the sill 15 is positioned higher than the existing flooring 13 by the thickness of the new flooring 14, and the existing flooring 13 is positioned. A new flooring 14 is mounted on the material 13. For this reason, according to the renewal method, the new flooring 14 and the upper surface 15b of the sill 15 can be made substantially flush, and it can be suppressed that the aesthetic appearance is impaired. Further, according to the renewal method, when it is confirmed that there is an adjustment allowance for the position of the sill 15, the upper surface 15b of the sill 15 is positioned higher than the existing flooring 13 by the thickness of the new flooring 14, and the existing flooring 13 A new flooring 14 is attached on top. According to the renewal method, when it is confirmed that there is no allowance for adjusting the position of the sill 15, the sill mounting bracket 16 is replaced. For this reason, according to the renewal method, when it is confirmed that the existing flooring 13 is free from defects or lifts, the existing flooring 13 can be reused during the renewal. Therefore, according to the renewal method, it is possible to shorten the work period and cost reduction in the renewal, and it is possible to shorten the stop period of the elevator 1.

[Embodiment 2]
A car renewal method according to Embodiment 2 of the present invention will be described with reference to the drawings. FIG. 5 is a perspective view showing a schematic configuration of a car renewed by the car renewal method according to the second embodiment, and FIG. 6 is a partial cross section taken along line VI-VI shown in FIG. FIG. 5 and 6, the same parts as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The renewal method according to Embodiment 2 of the present invention is a method of renewing the car 2 of the elevator 1 shown in FIG. The car room 5 of the car 2 renewed by the renewal method of the second embodiment is a so-called single-open car room in which the car-side doors 5b move in the same direction to open and close the entrance / exit 5a. For this purpose, two parallel guide grooves 15a are provided on the upper surface 15b of the sill 15, as shown in FIGS. Furthermore, in the second embodiment, an entrance member 20 is attached to the end face of the sill 15 along the vertical direction. The entrance member 20 extends upward from the end face of the sill 15, and one of the car-side doors 5b that closes the doorway 5a abuts. In addition, the entrance member 20 is formed with a notch 20 a corresponding to the thickness of the new flooring 14. The notch 20 a is formed by cutting an edge 20 b near the threshold 15 of the entrance member 20 according to the thickness of the new flooring 14.

  Next, a renewal method according to the second embodiment will be described with reference to FIG. FIG. 7 is a flowchart showing a car renewal method according to the second embodiment. In FIG. 7, the same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

  In the renewal method according to the second embodiment, when the worker confirms that there is an adjustment allowance for the position of the sill 15 (step ST2: Yes), is the cab 5 of the car 2 a centrally open cab? It is confirmed whether or not (step ST2a). If the worker confirms that the car room 5 of the car 2 is not a car room with a central opening (step ST2a: No), the worker removes the existing entrance member and obtains a new entrance member 20 (step ST2b).

  Then, the worker once loosens the bolt 17a while attaching the sill 15 to the sill mounting bracket 16. The worker moves the vertical position of the sill mounting bracket 16 relative to the pallet 10 upward by the thickness of the new flooring 14, and then tightens the bolt 17a to fix the sill mounting bracket 16 to the pallet 10 again. (Step ST3). Further, the worker attaches the new entrance member 20, attaches the new flooring 14 (step ST <b> 6), and finishes the renewal of the car 2.

  When the worker confirms that the car room 5 of the car 2 is a centrally open car room (step ST2a: Yes), the worker adjusts the position of the sill mounting bracket 16 (step ST3) as in the first embodiment. ), The new flooring 14 is attached (step ST6), and the renewal of the car 2 is finished.

  According to the renewal method of the second embodiment, similarly to the first embodiment, it is possible to reduce the work period and cost of the renewal, and to shorten the stop period of the elevator 1.

  Moreover, according to the renewal method of Embodiment 2, since the notch 20a according to the thickness of the new flooring 14 is formed in the entrance member 20, it suppresses that the beauty | look after the renovation for a short time is impaired. it can.

  In the present invention, the sheave provided on the counter weight 3 may be hung on one side of the drive sheave of the main rope 8, and the sheave provided on the counter weight 3 may be hung on the other side of the drive sheave of the main rope 8. That is, the present invention may be applied to an elevator that employs a so-called 2: 1 roping method in which the car 2 and the counterweight 3 are suspended from the main rope 8 as the roping method.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 Elevator 2 Car 5 Car room 5a Entrance / exit 5b Car side door (door)
13 Existing floor material 14 New floor material 15 Sill 15b Top surface 20 Entrance member 20a Notch

Claims (1)

When it is confirmed that there is no defect in the existing flooring of the car room of the car, and it is confirmed that there is an adjustment fee for the position of the sill that is attached to the doorway of the car room and guides the door that opens and closes the doorway, After the upper surface of the sill is moved upward from the existing flooring by the thickness of the new flooring attached to the existing flooring, the sill is fixed to the cab and the new floor is placed on the existing flooring. In addition to attaching the material, a plurality of doors that open and close the door of the cab move in the same direction to open and close the door, the entrance member attached to the end surface of the sill and extending along the vertical direction, A method for renewing a car, characterized in that a notch is formed according to the thickness of the new flooring .

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