JP2017149553A - Elevator equipment loading / unloading method and elevator equipment loading / unloading apparatus - Google Patents

Abstract

An elevator equipment carrying-in / out method capable of improving the work efficiency of carrying out existing elevator equipment.
An existing guide rail part removing process for removing a part of an existing guide rail, which is a part of a plurality of existing guide rails, from a wall of a hoistway 302, and an existing guide rail part removing process after an existing guide rail part removing process. Temporary lifting body installation process for installing the temporary lifting body 1 that moves up and down along the remaining portion of the existing guide rail that is the remaining portion of the existing guide rail left on the wall of the hoistway 302 in the partial rail removal process, and temporary lifting body installation After the process, there is provided an existing elevator equipment unloading process in which the existing elevator equipment placed in the pit 304 is placed on the temporary elevating body 1 and the temporary elevating body 1 is raised along the remaining portion of the existing guide rail.
[Selection] Figure 1

Description

  The present invention relates to an elevator equipment carrying-in / out method and an elevator equipment carrying-in / out apparatus for carrying elevator equipment into and out of a hoistway.

  Conventionally, an existing car is connected to a car and a hoistway using a fixing jig fixed to the bottom surface of the hoistway and a belt wound around the fixing jig and a lower beam of the car frame. There is known an elevator equipment carry-in / out method in which a panel is carried out from a hoistway and then a new car panel is carried into the hoistway (see, for example, Patent Document 1).

JP 2000-169061 A

  However, when exchanging existing elevator equipment, including cars and counterweights, with new elevator equipment, after placing the existing elevator equipment in the pit, the operator carries the existing elevator equipment to the lowest floor landing, There is a problem that a person has to move the existing elevator equipment from the lowest floor landing to the carry-out floor landing using stairs, and the work efficiency of carrying out the existing elevator equipment is poor.

  The present invention provides an elevator equipment carry-in / out method and an elevator equipment carry-in / out apparatus that can improve the work efficiency of carrying out existing elevator equipment.

  The elevator apparatus carrying-in / out method according to the present invention includes a part of an existing guide rail that is a part of a plurality of existing guide rails, and a part of the existing guide rail that is removed from the wall of the hoistway. After the step, a temporary lifting body installation step of installing a temporary lifting body that moves up and down along the remaining guide rail remaining part that is the remaining part of the existing guide rail left on the wall of the hoistway in the part of the existing guide rail removal process; After the temporary elevating body installation step, there is provided an existing elevator device unloading step of placing the existing elevator device placed in the pit on the temporary elevating body and raising the temporary elevating body along the remaining portion of the existing guide rail.

  According to the elevator equipment carrying-in / out method according to the present invention, the existing elevator equipment placed in the pit is placed on the temporary lifting body, and the temporary lifting body is raised along the remaining portion of the existing guide rail. Efficiency can be improved.

It is a front view which shows the elevator apparatus carrying in / out apparatus which concerns on Embodiment 1 of this invention. It is an enlarged view which shows the temporary raising / lowering body of FIG. It is a top view which shows the upper guide roller of FIG. It is a side view which shows the elevator apparatus carrying in / out apparatus of FIG. It is a front view which shows the state which the temporary raising / lowering body of FIG. 1 raised. It is arrow sectional drawing along the VI-VI line of FIG. It is a longitudinal cross-sectional view which shows the temporary raising / lowering body main body of FIG. It is a longitudinal cross-sectional view which shows the state which the front wall of FIG. 7 displaced. It is a top view which shows the elevator apparatus carried in / out by the hoistway using the elevator apparatus carrying in / out apparatus of FIG. It is a flowchart which shows the method of carrying in / out an elevator apparatus with respect to a hoistway using the elevator apparatus carrying in / out apparatus of FIG.

Embodiment 1 FIG.
1 is a front view showing an elevator equipment carry-in / out apparatus according to Embodiment 1 of the present invention. In the figure, an elevator equipment carry-in / out device is provided in a temporary lifting body 1 that moves up and down a hoistway 302 along a guide rail 301 and a portion of the guide rail 301 that is above the carry-out floor landing 303. A winch 2, which is a lifting device that moves up and down, is provided. In this example, the carry-out floor is the first floor. Between the carry-out floor and the pit 304, the first basement floor is provided. The guide rail 301 is disposed extending in the height direction. The guide rail 301 before the temporary elevating body 1 is installed is arranged so as to extend from the pit 304 to a position above the uppermost landing.

  FIG. 2 is an enlarged view showing the temporary lifting body 1 of FIG. The temporary elevating body 1 is provided with a box-shaped temporary elevating body main body 11, an upper guide roller 12 that is provided on the upper portion of the temporary elevating body main body 11, guides the temporary elevating body main body 11 along the guide rail 301, and the temporary elevating body. The lower guide roller 13 is provided at the lower portion of the main body 11 and guides the temporary lifting body main body 11 along the guide rail 301.

  FIG. 3 is a plan view showing the upper guide roller 12 of FIG. The guide rail 301 has a plate-shaped base 305 provided along the wall of the hoistway 302 and a rail part 306 provided on the base 305 and protruding from the base 305 in a direction away from the wall of the hoistway 302. Yes. The guide rail 301 is fixed to the wall of the hoistway 302 via a bracket (not shown).

  The upper guide roller 12 includes a first roller 121 that rolls on one side in the width direction of the rail portion 306, a second roller 122 that rolls on the other side in the width direction of the rail portion 306, and a top portion of the rail portion 306. The first roller 121, the second roller 122, and the third roller 123 that rotatably support the third roller 123 and the temporary lifting body main body 11 are provided. When the first roller 121 and the second roller 122 sandwich the rail portion 306 in the width direction, the temporary elevating body 1 is restricted from moving in the width direction. Although not shown, the lower guide roller 13 has the same configuration as the upper guide roller 12.

  FIG. 4 is a side view showing the elevator apparatus carrying-in / out apparatus of FIG. The winch 2 includes a winch body 21, a winch support portion 22 that is fixed to the guide rail 301 and supports the winch body 21, and a wire 23 wound around the winch body 21. The winch body 21 is disposed above the carry-out floor hall 303. The distal end portion of the wire 23 is connected to a portion farthest from the guide rail 301 in the upper portion of the temporary lifting body main body 11. Accordingly, the wire 23 is disposed to be inclined with respect to the horizontal plane so as to approach the guide rail 301 as it goes upward. When the winch body 21 winds up the wire 23, an upward force and a force approaching the guide rail 301 act on the temporary lifting body 1. When a force in a direction approaching the guide rail 301 acts on the temporary lifting body 1, the temporary lifting body 1 is restricted from moving in a direction away from the guide rail 301.

  FIG. 5 is a front view showing a state where the temporary elevating body 1 of FIG. 1 is raised. By driving the winch 2, the temporary lifting body 1 moves between the pit 304 and the carry-out floor landing 303. Since the temporary elevating body 1 is guided by the guide rail 301 when the temporary elevating body 1 moves up and down, movement in the horizontal direction is restricted. Thereby, when the temporary raising / lowering body 1 raises / lowers, it is prevented that the temporary raising / lowering body 1 collides with the wall of the hoistway 302 or the member attached to this wall.

  6 is a cross-sectional view taken along line VI-VI in FIG. A T-shaped groove 221 into which the upper end portion of the guide rail 301 is fitted is formed on the lower surface of the winch support portion 22. The winch support portion 22 is fixed to the guide rail 301 by placing the winch support portion 22 on the upper end portion of the guide rail 301 so that the upper end portion of the guide rail 301 is fitted in the groove 221.

  FIG. 7 is a longitudinal sectional view showing the temporary lifting body main body 11 of FIG. The temporary lifting body main body 11 has a floor 111 on which elevator equipment is placed, a side wall 112 standing on the floor 111, and a front surface facing the wall where the carry-out floor landing 303 is formed in the wall of the hoistway 302. Wall 113. A lower end portion of the front wall 113 is attached to the floor portion 111 via a hinge.

  FIG. 8 is a longitudinal sectional view showing a state in which the front wall 113 of FIG. 7 is displaced. The front wall 113 is displaced between an upright position extending upward from the floor portion 111 and a flat position extending horizontally from the floor portion 111. When the position of the front wall 113 is a flat position, the upper surface of the front wall 113 is disposed on the same plane as the upper surface of the floor portion 111. When the temporary elevating body body 11 is adjacent to the carry-out floor landing 303 and the position of the front wall 113 is a flat position, the front wall 113 is disposed across the floor portion 111 and the carry-out floor landing 303. Thereby, the operator can move an elevator apparatus easily between the temporary raising / lowering body main body 11 and the carry-out floor landing 303.

  Next, the elevator apparatus carrying in / out method is demonstrated. FIG. 9 is a plan view showing an elevator device that is carried into and out of the hoistway 302 using the elevator equipment carry-in / out device of FIG. 1. In this example, a car 307, a counterweight 308, a car guide rail 309, and a counterweight guide rail 310 will be described as examples of elevator equipment. Therefore, the existing elevator equipment includes the existing car 307, the existing counterweight 308, the existing car guide rail 309 and the existing counterweight guide rail 310, and the new elevator equipment includes the new car 307, A new counterweight 308, a new car guide rail 309 and a new counterweight guide rail 310 are included. In addition, the elevator device may include, for example, a shock absorber, an elevator control panel, or a hoisting machine.

  Hereinafter, a method for carrying out the existing elevator equipment from the hoistway 302 and carrying in the new elevator equipment into the hoistway 302 will be described. FIG. 10 is a flowchart showing a method for carrying elevator equipment in and out of the hoistway 302 using the elevator equipment carrying-in / out apparatus of FIG. First, the temporary elevator 1 is carried into the pit 304 from the carry-out floor landing 303 using the existing car 307 (temporary lift body carrying-in process) (step S101). Thereafter, the existing car 307 and the existing counterweight 308 are disassembled, and the dismantled existing car 307 and the existing counterweight 308 are placed in the pit 304 (existing car counterweight demolition process) (step S102).

  Thereafter, a part of the existing guide rail, which is a part of the plurality of existing guide rails, is removed from the wall of the hoistway 302 (part of the existing guide rail is removed) (step S103). In the part of the existing guide rail partial removal process in this example, one of the two existing car guide rails 309 and the two existing counterweight guide rails 310 are connected to the wall of the hoistway 302. Remove from. Moreover, in the existing guide rail partial removal process of this example, a predetermined height from the carry-out floor landing 303 in the existing car guide rail 309 left on the wall of the hoistway 302, specifically, for example, The part above the height of 2 m is also removed from the wall of the hoistway 302. Therefore, the remaining portion of the existing guide rail, which is the remaining portion of the existing guide rail left on the wall of the hoistway 302 in the part of the existing guide rail removal process, is between the pit 304 and the position at a predetermined height from the carry-out floor landing 303. It becomes the part of the guide rail 309 for cars arrange | positioned in this. In other words, a part of the existing guide rail that is a part of the existing guide rail that is removed from the wall of the hoistway 302 in the part of the existing guide rail part removal process is divided into one existing car guide rail 309 and the remaining guide rails 309. A portion of the existing car guide rail 309 disposed above a position at a predetermined height from the carry-out floor landing 303 and two existing counterweight guide rails 310 are provided. A part of the existing guide rail removed from the wall of the hoistway 302 is placed in the pit 304. The existing guide rail left on the wall of the hoistway 302 in the car and existing guide rail partial removal process may be the counterweight guide rail 310.

  Then, the temporary raising / lowering body 1 is installed in the existing guide rail remaining part (temporary raising / lowering body installation process) (step S104). In the temporary lifting body installation step, the winch 2 is attached to the upper end of the remaining guide rail. Thereby, the winch 2 is installed in the part above the carry-out floor landing 303 in the existing guide rail remaining part. In the temporary lifting body installation process, when the upper end portion of the existing guide rail remaining portion is at a predetermined height from the carry-out floor landing 303, the upper end portion of the existing guide rail remaining portion is fitted in the groove 221 of the winch support portion 22. The winch support 22 is placed on the upper end of the remaining guide rail. On the other hand, when the upper end of the existing guide rail remaining portion is above a predetermined height from the carry-out floor landing 303, the position of the upper end portion of the existing guide rail remaining portion is a predetermined height from the carry-out floor landing 303. After cutting the remaining guide rail in this manner, the winch support 22 is placed on the upper end of the existing guide rail so that the upper end of the existing guide rail is fitted in the groove 221 or the existing guide rail remaining is cut. Instead, the winch support portion 22 is fixed to a portion at a predetermined height from the carry-out floor landing 303 in the remaining portion of the existing guide rail using a rail clip. Note that the winch 2 is not limited to the upper end of the remaining guide rail, and may be fixed to the pit 304, for example. In this case, a pulley around which the wire 23 is wound is installed at the upper end of the remaining guide rail.

  After that, the existing elevator device placed in the pit 304 is placed on the temporary lifting body 1 and the winch 2 is driven to raise the temporary lifting body 1 along the remaining part of the existing guide rail until the existing elevator device reaches the carry-out floor landing 303. (Existing elevator equipment unloading process) (step S105). In the existing elevator equipment carry-out step, a part of the existing guide rail to be carried out may be cut to a length that is easy to carry out.

  Thereafter, the new elevator device is placed on the temporary lift body 1, and the temporary lift body 1 is lowered along the remaining portion of the existing guide rail until the new elevator device reaches the pit 304 (new elevator device carrying-in process) (step S106).

  Then, the existing guide rail remaining part left in the wall of the hoistway 302 in the existing guide rail partial removal process is removed from the wall of the hoistway 302 (existing guide rail remaining part removing process) (step S107).

  Thereafter, the new guide rail included in the new elevator device is attached to the wall of the hoistway 302 (new guide rail attachment step) (step S108). The new guide rail includes a new car guide rail 309 and a new counterweight guide rail 310. The position where the new guide rail is attached may be the same position as the position where the existing guide rail is attached, or may be a position different from the position where the existing guide rail is attached.

  Thereafter, the remaining portion of the existing guide rail is placed on the temporary lifting body 1, and the temporary lifting body 1 is moved up and down along the new guide rail until the remaining portion of the existing guide rail reaches the carry-out floor landing 303 (the existing guide rail remaining portion unloading step) (step S109). ).

  Thereafter, the new car 307 and the new counterweight 308 are installed in the hoistway 302 (new car counterweight installation step) (step S110). Thereafter, the temporary lifting body 1 is removed from the new guide rail (temporary lifting body removal step) (step S111). Thereafter, the temporary elevator 1 is carried out from the pit 304 to the carry-out floor landing 303 using the new car 307 (temporary lift body carrying-out step) (step S112). Thus, the elevator equipment carry-in / out method ends.

  As described above, according to the elevator apparatus carrying-in / out method according to Embodiment 1 of the present invention, the existing guide rail part removing step for removing a part of the existing guide rail from the wall of the hoistway 302, and the existing guide rail After the partial removal process, the temporary lift body installation process for installing the temporary lift body 1 that moves up and down along the remaining part of the existing guide rail and the temporary elevator body installation process after the temporary lift body installation process are temporarily installed. Since it has the existing elevator apparatus carrying-out process which mounts on the raising / lowering body 1 and raises the temporary raising / lowering body 1 along the existing guide rail remainder part, the work efficiency of carrying out the existing elevator apparatus can be improved. Moreover, since the temporary raising / lowering body 1 raises along the existing guide rail remainder, when the temporary raising / lowering body 1 raises, it can suppress that the temporary raising / lowering body 1 shakes in a horizontal direction. Moreover, since it is not necessary to newly install the guide rail which guides the temporary raising / lowering body 1, the work efficiency of carrying out the existing elevator apparatus can be improved.

  In addition, since the existing elevator equipment mounted on the temporary lifting body 1 in the existing elevator equipment unloading process includes a part of the existing guide rail removed from the wall of the hoistway 302 in the part of the existing guide rail removal process, The work efficiency of carrying out the guide rail can be improved.

  Further, in the temporary lifting body installation step, the winch 2 for lifting the temporary lifting body 1 is installed in a portion above the carry-out floor landing 303 in the remaining portion of the existing guide rail, so that the temporary lifting body 1 can be configured with a simple configuration. It can be raised from the pit 304 to the carry-out floor hall 303.

  Moreover, this elevator equipment carrying-in / out method further includes a new elevator equipment carrying-in process of placing the new elevator equipment on the temporary lifting body 1 and lowering the temporary lifting body 1 along the remaining part of the existing guide rail after the existing elevator equipment carrying-out process. Since it is provided, the work efficiency of carrying in the newly installed elevator equipment can be improved.

  In addition, this elevator equipment carry-in / out method is such that, after the new elevator equipment carrying-in process, the existing guide rail remaining part removing process from the wall of the hoistway 302 and the new elevator equipment carrying-in process, After the new guide rail attaching process for attaching the new guide rail included in the hoistway 302 to the wall of the hoistway 302, the existing guide rail remaining part removing process and the new guide rail attaching process, the remaining part of the existing guide rail is placed on the temporary lifting body 1 and temporarily installed. Since it further includes the existing guide rail remaining portion carrying-out step of raising the elevating body 1 along the newly installed guide rail, the work efficiency of carrying out the existing elevator equipment can be improved.

  Moreover, according to the elevator apparatus carrying in / out apparatus which concerns on Embodiment 1 of this invention, the temporary raising / lowering body 1 which raises / lowers along the guide rail 301, and the part above the carry-out floor landing 303 in the guide rail 301 are provided. Moreover, since the winch 2 which raises / lowers the temporary raising / lowering body 1 is provided, the work efficiency of carrying out the existing elevator apparatus can be improved.

  In the first embodiment, the configuration in which the temporary elevating body 1 has the box-shaped temporary elevating body main body 11 has been described, but the configuration having the plate-shaped temporary elevating body main body 11 may be used. Moreover, the structure which further had the trolley | bogie withdrawn / inserted with respect to the box-shaped temporary raising / lowering body main body 11 may be sufficient. Thereby, an elevator apparatus can be easily taken in / out with respect to the temporary raising / lowering body main body 11 by putting in / out the carriage with respect to the temporary raising / lowering body main body 11 in the state which mounted the elevator apparatus on the carriage. Moreover, the temporary raising / lowering body 1 may further have a caster provided rotatably on the temporary raising / lowering body main body 11. Thereby, when the temporary raising / lowering body 1 is arrange | positioned in the carrying-out floor landing 303 so that a caster may roll on the carrying-out floor landing 303, the temporary raising / lowering body 1 can be moved easily.

  Moreover, although the said Embodiment 1 demonstrated the structure which installs the temporary raising / lowering body 1 in one guide rail, the structure which installs the temporary raising / lowering body 1 over two guide rails may be sufficient. In this case, the horizontal movement of the temporary lifting body 1 can be more reliably suppressed.

  In the first embodiment, the winch 2 is described as an example of the lifting device, but a lifting device such as a hoist or a chain block may be used.

  In the first embodiment, the configuration in which the winch support 22 is fixed to the guide rail 301 has been described. However, the winch support 22 is fixed to a bracket that fixes the guide rail 301 to the wall of the hoistway 302. It may be a configuration.

  DESCRIPTION OF SYMBOLS 1 Temporary lifting body, 2 winch, 11 Temporary lifting body main body, 12 Upper guide roller, 13 Lower guide roller, 21 Winch main body, 22 Winch support part, 23 Wire, 111 Floor part, 112 Side wall, 113 Front wall, 121 1st Roller, 122 Second roller, 123 Third roller, 124 Roller support part, 221 groove, 301 guide rail, 302 hoistway, 303 unloading floor landing, 304 pit, 305 base, 306 rail part, 307 car, 308 counterweight, 309 Car guide rail, 310 Balance weight guide rail.

Claims (6)

A part of the existing guide rail that removes a part of the existing guide rail that is a part of the plurality of existing guide rails from the hoistway wall;
Temporary lifting that moves up and down along the remaining part of the existing guide rail that is the remaining part of the existing guide rail left on the wall of the hoistway in the part of the existing guide rail removing process after the part of the existing guide rail removing process A temporary lifting body installation process for installing the body;
An elevator comprising: an existing elevator device carrying step for placing an existing elevator device placed in a pit on the temporary elevator body and raising the temporary elevator body along the remaining portion of the existing guide rail after the temporary elevator body installation step. Device loading / unloading method.   The existing elevator device mounted on the temporary lifting body in the existing elevator device unloading step includes a part of the existing guide rail removed from the wall of the hoistway in the existing guide rail partial removal step. The elevator apparatus carrying in / out method according to Item 1.   The elevator according to claim 1 or 2, wherein, in the temporary lifting body installation step, a lifting device for lifting the temporary lifting body is installed in a portion of the remaining guide rail remaining above the carry-out floor landing. Device loading / unloading method.   2. The elevator system according to claim 1, further comprising a new elevator equipment carry-in step of placing the new elevator equipment on the temporary lift body and lowering the temporary lift body along the remaining portion of the existing guide rail after the existing elevator equipment carry-out process. The elevator apparatus carrying in / out method according to any one of up to 3. After the new elevator equipment carrying-in step, the existing guide rail remaining part removing step of removing the existing guide rail remaining part left on the hoistway wall in the existing guide rail part removing step from the hoistway wall;
After the new elevator equipment carrying-in step, a new guide rail attaching step for attaching a new guide rail included in the new elevator equipment to the hoistway wall;
After the existing guide rail remaining portion removing step and the new guide rail attaching step, the existing guide rail remaining portion is placed on the temporary lifting body and the temporary lifting body is lifted along the new guide rail. The elevator apparatus carrying-in / out method according to claim 4, further comprising: a process. A temporary lifting body that moves up and down along the guide rail;
An elevator equipment carry-in / out device comprising: a lifting device that is provided in a portion of the guide rail above the carry-out floor landing and raises and lowers the temporary lifting body.

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