JP6615343B2 - Elevator equipment - Google Patents

Description

  The present invention relates to an elevator apparatus in which a control panel is installed in a hoistway.

  In a conventional elevator apparatus, a counterweight is disposed in a back space, which is a space behind a lift area of a car in a hoistway. A support beam and a control panel are installed in the upper part of the back space. A hoisting machine is fixed to the upper part of the support beam. Further, the lower return wheel is supported at the lower part of the support beam via the lower return wheel mounting base. The control panel is arranged side by side in the horizontal direction with respect to the support beam and the hoist (see, for example, Patent Document 1).

  In another conventional elevator apparatus, the control panel is supported on the car guide rail via a pair of brackets at the upper part of the hoistway. In addition, the control panel is disposed between the main ropes hung on the pair of adjacent pulleys below the pair of adjacent pulleys (see, for example, Patent Documents 2 and 3).

International Publication No. 2014/006703 JP 2013-112503 A Japanese Patent Application Laid-Open No. 2014-9044

  In the conventional elevator apparatus shown in Patent Document 1, since the control panel is arranged in a horizontal direction with respect to the support beam and the hoisting machine, when the distance between the counterweight guide rails is large, the hoistway It is necessary to widen the frontage dimension.

  In the conventional elevator apparatus shown in Patent Documents 2 and 3, a pair of adjacent pulleys are arranged directly above the control panel, and the main rope passes directly above the control panel, so that the main rope is impregnated. There is a concern that oil that is dripping on the control panel.

  The present invention has been made in order to solve the above-described problems, and is intended to save space by efficiently arranging the control panel in the hoistway while preventing oil from adhering to the control panel. It is an object to obtain an elevator apparatus that can be used.

A first elevator apparatus according to the present invention includes a car that moves up and down in a hoistway, a support beam provided in the hoistway, and an upward return wheel, and is provided immediately below the support beam. Suspension body that is wound around a direction return wheel device and an upper direction return wheel, and that both sides of the portion in contact with the upper direction return wheel are led upward from the upper direction return wheel, and suspends the car And a control panel disposed between the support beam and the upward turn-back device, and the upward turn-back device is connected to the support beam via a plurality of connecting pillars, It is arrange | positioned between the said connection pillars which fit. A second elevator apparatus according to the present invention includes a car that moves up and down in a hoistway, a support beam provided in the hoistway, and an upward return wheel, and is provided directly below the support beam. Suspension body that is wound around a direction return wheel device and an upper direction return wheel, and that both sides of the portion in contact with the upper direction return wheel are led upward from the upper direction return wheel, and suspends the car And a control panel disposed between the support beam and the upward turn-back device, and the control panel is divided into a plurality of divided plates arranged side by side in the horizontal direction. The support beams are connected to each other through connection columns arranged between adjacent divided disks.

  In the elevator apparatus according to the present invention, the upper turn-back device is disposed immediately below the support beam, and both sides of the portion in contact with the upper turn-up wheel of the suspension are guided upward from the upper turn-back wheel, Since the control panel is located between the support beam and the upward turning wheel device, it is possible to save space by efficiently arranging the control panel in the hoistway while preventing oil from adhering to the control panel. Can be planned.

1 is a schematic perspective view showing an elevator apparatus according to Embodiment 1 of the present invention. It is a top view which shows the elevator apparatus of FIG. It is the side view which looked at the upper part in the hoistway of FIG. 2 along the direction of arrow III. It is the front view which looked at the upper part in the hoistway of FIG. 2 along the direction of arrow IV. It is a front view which shows the support structure of the upward direction return wheel apparatus and control panel of FIG. It is a front view which shows the principal part of the elevator apparatus by Embodiment 2 of this invention. It is a front view which shows the principal part of the elevator apparatus by Embodiment 3 of this invention. It is sectional drawing of a control panel and a frame in alignment with the VIII-VIII line of FIG. It is a front view which shows the principal part of the elevator apparatus by Embodiment 4 of this invention. It is a front view which shows the principal part of the elevator apparatus by Embodiment 5 of this invention. It is a front view which shows the principal part of the elevator apparatus by Embodiment 6 of this invention.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
1 is a schematic perspective view showing an elevator apparatus according to Embodiment 1 of the present invention, FIG. 2 is a plan view showing the elevator apparatus of FIG. 1, and FIG. 3 is an upper part in the hoistway of FIG. FIG. 4 is a front view of the upper part in the hoistway of FIG. 2 as viewed in the direction of arrow IV.

  In the figure, a car 1 and a counterweight 2 move up and down in a hoistway 3. Since the car 1 and the counterweight 2 move in opposite directions, when the counterweight 2 is located in the upper part in the hoistway 3, the car 1 is located in the lower part in the hoistway 3. . However, in FIG. 1, both are located in the upper part in the hoistway 3 to show both the car 1 and the counterweight 2.

  The car 1 includes a car front face 1a provided with a car doorway (not shown), a car rear face 1b facing the car front face 1a, a first car side face 1c, and a first face facing the first car side face 1c. And 2 car side faces 1d.

  The counterweight 2 is arranged behind the car 1 so as to face the car rear surface 1b when it is located at the same height as the car 1. That is, the lift area of the counterweight 2 is the back of the lift area of the car 1 as viewed from the landing.

  In the hoistway 3, first and second car guide rails 4 and 5 that guide the raising and lowering of the car 1, and first and second counterweight guide rails 6 that guide the raising and lowering of the counterweight 2, 6. 7 is set.

  The first car guide rail 4 faces the first car side face 1c. The second car guide rail 5 faces the second car side face 1d. The car 1 is disposed between the first car guide rail 4 and the second car guide rail 5. Further, the first and second car guide rails 4 and 5 are arranged at the same position in the depth direction of the car 1 (the vertical direction in FIG. 2).

  The counterweight 2 is disposed between the first counterweight guide rail 6 and the second counterweight guide rail 7. A straight line connecting the center of the first car guide rail 4 and the center of the second car guide rail 5 as viewed from directly above, and the center of the first counterweight guide rail 6 and the second counterweight guide A straight line connecting the center of the rail 7 is parallel to the width direction of the car 1 (the left-right direction in FIG. 2).

  In the upper part in the hoistway 3, a support beam 8, a rope retaining beam 9, and a return wheel beam 10 are provided. The support beam 8 is horizontally supported by the first and second counterweight guide rails 6 and 7. Further, the support beam 8 is arranged so as not to overlap the car 1 behind the car 1 when viewed from directly above. Further, the support beam 8 is arranged in parallel with the width direction of the car 1. The counterweight 2 is disposed directly below the support beam 8.

  The rope retaining beam 9 is horizontally supported by the support beam 8 and the first car guide rail 4. Further, the rope-clamping beam 9 is disposed between the first car side face 1c and the first hoistway wall 3a facing the first car side face 1c when viewed from directly above. Further, the leashing beam 9 is arranged in parallel to the depth direction of the car 1.

  The return wheel beam 10 is horizontally supported by the support beam 8 and the second car guide rail 5. Further, the return beam 10 is disposed between the second car side surface 1d and the second hoistway wall 3b facing the second car side surface 1d when viewed from directly above. Further, the return wheel 10 is arranged in parallel to the depth direction of the car 1.

  A hoisting machine 11 that lifts and lowers the car 1 and the counterweight 2 is supported on the support beam 8. The hoisting machine 11 includes a drive sheave 12 that is a first adjacent pulley, a motor (not shown) that rotates the drive sheave 12, and a brake (not shown) that brakes the rotation of the drive sheave 12. ing.

  The rotational axis of the drive sheave 12 is horizontal and parallel to the depth direction of the car 1. The drive sheave 12 is disposed on the car 1 side of the hoisting machine 11 when viewed from directly above.

  A suspension 13 for suspending the car 1 and the counterweight 2 is wound around the drive sheave 12. A plurality of ropes are used as the suspension body 13. The car 1 and the counterweight 2 move up and down in the hoistway 3 by rotating the drive sheave 12.

  A first downward return wheel 14 and a second downward return wheel 15 that is a second adjacent pulley are supported by the return wheel beam 10. The first and second downward return wheels 14 and 15 are arranged at the same height below the return wheel 10 in the depth direction of the car 1. Further, the rotation shafts of the first and second downward return wheels 14 and 15 are horizontal and parallel to the width direction of the car 1.

  At the lower part of the car 1, first and second car suspension wheels 16 and 17 are provided. The first car suspension wheel 16 is disposed directly below the first car side face 1c. The second car suspension wheel 17 is disposed directly below the second car side surface 1d. Further, the rotation axes of the first and second car suspension wheels 16 and 17 are horizontal and parallel to the depth direction of the car 1. Further, the first and second car suspension wheels 16 and 17 are arranged at the same position in the depth direction of the car 1.

  On the upper part of the counterweight 2, a counterweight suspension wheel 18 is provided. The rotating shaft of the counterweight suspension wheel 18 is horizontal and parallel to the depth direction of the car 1.

  An upward return wheel device 19 is provided directly below the upper support beam 8 in the hoistway 3. The upward return wheel device 19 includes a shaft support body 20 and an upward return wheel 21 that is rotatably supported by the shaft support body 20. The rotating shaft of the upward turn wheel 21 is horizontal and parallel to the depth direction of the car 1.

  A first end portion of the suspension body 13 is connected to the rope retaining beam 9 directly above the first car suspension wheel 16. The second end of the suspension 13 is connected to the support beam 8 directly above the counterweight suspension wheel 18.

  The suspension body 13 includes, in order from the first end side, a first car suspension wheel 16, a second car suspension wheel 17, a first downward return wheel 14, a second downward return wheel 15, and an upward direction. It is wound around the return wheel 21, the drive sheave 12, and the counterweight suspension wheel 18. The car 1 and the counterweight 2 are suspended by a 2: 1 roping method.

  Both sides of the portion in contact with the upward return wheel 21 of the suspension 13 are guided upward from the upward return wheel 21 and are respectively wound around the drive sheave 12 and the second downward return wheel 15. . The drive sheave 12 and the second downward return wheels 14 and 15 are disposed above the upward return wheel 21, that is, obliquely above the upper pulley 21.

  A control panel 22 is provided between the support beam 8 and the upward turning wheel device 19. The control panel 22 includes a portion between the upper return wheel 21 of the suspension 13 and the drive sheave 12 and a portion between the upper return wheel 21 of the suspension 13 and the second lower return wheel 15. Arranged between. The control panel 22 controls the operation of the car 1 by controlling the hoisting machine 11.

  FIG. 5 is a front view showing a support structure for the upward turn-back device 19 and the control panel 22 of FIG. In FIG. 5, for the sake of simplicity, the support beam 8 and the return wheel beam 10 are drawn as one beam, and the second return wheel lower direction 15 is drawn side by side with the hoisting machine 11 on the return wheel beam 10. .

  The upward return wheel device 19 is suspended from the support beam 8 via the frame body 23. The frame body 23 connects the upper fixing plate 23a fixed to the lower surface of the support beam 8, the lower fixing plate 23b to which the upward turn-back device 19 is fixed, and the upper fixing plate 23a and the lower fixing plate 23b. A plurality, here, a pair of connecting columns 23c and 23d are provided. In other words, the upward return wheel device 19 is connected to the support beam 8 via the connecting columns 23c and 23d.

  The casing of the control panel 22 is vertically long and thin with a width dimension (a horizontal dimension in FIG. 5) smaller than a height dimension and a thickness dimension (a dimension perpendicular to the paper surface in FIG. 5) smaller than the width dimension. It is a rectangular parallelepiped and is fixed to the upper fixing plate 23a and the lower fixing plate 23b. Further, the control panel 22 is disposed between the adjacent connecting columns 23c and 23d. In other words, the connecting columns 23 c and 23 d are disposed on both sides of the control panel 22 in the width direction.

  In such an elevator apparatus, the upward turn-back device 19 is disposed directly below the support beam 8, and both sides of the portion in contact with the upward return wheel 21 of the suspension 13 are directed upward from the upward return wheel 21. Since the control panel 22 is guided and disposed between the support beam 8 and the upward turn-back device 19, the control panel 22 is placed in the hoistway 3 while preventing oil from adhering to the control panel 22. Therefore, space can be saved by arranging them efficiently.

  Further, since the upward return wheel device 19 is connected to the support beam 8 via the connecting columns 23c and 23d, and the control panel 22 is arranged between the adjacent connecting columns 23c and 23d, the control panel The upward turn-back device 19 can be stably supported without imposing a large load on the housing 22.

The number of connecting pillars is not limited to two and may be three or more.
Further, the control panel 22 may be fixed to only one of the upper fixing plate 23a and the lower fixing plate 23b, and a space may be provided between the other.
Furthermore, the control panel 22 may be fixed to the connecting columns 23c and 23d.

Embodiment 2. FIG.
6 is a front view showing a main part of an elevator apparatus according to Embodiment 2 of the present invention, and shows a portion corresponding to FIG. 5 of Embodiment 1. In FIG. In the second embodiment, the control panel 22 is divided into two divided boards 22a and 22b. The division boards 22a and 22b are arranged side by side in the horizontal direction, that is, in the width direction of the car 1. Moreover, the height dimensions of the divided boards 22a and 22b are the same.

  The upward return wheel device 19 is suspended from the support beam 8 via the frame body 24. The frame body 24 connects the upper fixing plate 24a fixed to the lower surface of the support beam 8, the lower fixing plate 24b to which the upward turn-back device 19 is fixed, and the upper fixing plate 24a and the lower fixing plate 24b. It has a connecting post 24c. In other words, the upward return wheel device 19 is connected to the support beam 8 via the connecting column 24c.

  The connecting column 24c is disposed between the adjacent divided plates 22a and 22b. In other words, the divided plates 22a and 22b are disposed on both sides of the connecting column 24c. Further, the housings of the divided plates 22a and 22b are fixed to the upper fixing plate 24a and the lower fixing plate 24b, respectively. Other configurations are the same as those in the first embodiment.

  Even in such an elevator apparatus, space can be saved by efficiently arranging the control panel 22 in the hoistway 3 while preventing oil from adhering to the control panel 22. Moreover, since the upward return wheel apparatus 19 is connected with the support beam 8 via the connection pillar 24c, and the connection pillar 24c is arrange | positioned between adjacent division | segmentation board 22a, 22b, The upward turning wheel device 19 can be stably supported without imposing a large load on the housing.

The number of connecting columns is not limited to one and may be two or more.
Further, the control panel may be divided into three or more divided panels.
Furthermore, each division board may be fixed to only one of the upper fixing plate 23a and the lower fixing plate 23b, and an interval may be provided between the other. Further, a part of the divided plates can be fixed to the upper fixed plate 23a, and the remaining divided plates can be fixed to the lower fixed plate 23b.

Embodiment 3 FIG.
Next, FIG. 7 is a front view showing an essential part of an elevator apparatus according to Embodiment 3 of the present invention, and shows a portion corresponding to FIG. 5 of Embodiment 1. FIG. FIG. 8 is a cross-sectional view of the control panel 22 and the frame body 23 taken along the line VIII-VIII in FIG. 7, and the internal structure of the control panel 22 is omitted.

  In the third embodiment, the frame body 23, the upward return wheel device 19, and the control panel 22 are unitized so as to be attached to and detached from the support beam 8. A plurality of wirings 25 connected to the control panel 22 are laid along the connecting columns 23c and 23d. Specifically, the wiring 25 is passed through the connecting pillars 23c and 23d. A connector (not shown) for connecting to the hoisting machine 11 or the like is provided at the end of the wiring 25 opposite to the control panel 22. Other configurations are the same as those in the first embodiment.

  In such an elevator apparatus, it is possible to improve the installability of the upward turning wheel apparatus 19 and the control panel 22.

In addition, the frame 24, the upward turning wheel device 19 and the dividing boards 22a and 22b of the second embodiment are unitized in the same manner as in the third embodiment, and the wiring from the dividing boards 22a and 22b is passed through the connecting pillar 24c. Also good.
Further, the wiring 25 may be laid along the outer surfaces of the connecting columns 23c and 23d.
Further, in the first to third embodiments, the connecting columns 23c, 23d, or 24c are connected to the support beam 8 via the upper fixing plate 23a or 24a. However, the connecting columns 23c, 23d, or 24c are directly connected to the support beam 8. You may connect.

Embodiment 4 FIG.
Next, FIG. 9 is a front view showing an essential part of an elevator apparatus according to Embodiment 4 of the present invention, and shows a portion corresponding to FIG. 5 of Embodiment 1. FIG. In the fourth embodiment, the connecting pillars 23c and 23d of the first embodiment are omitted.

  The upper end of the control panel 22 is connected to the support beam via the upper fixing plate 23a. The upward return wheel device 19 is connected to the lower end portion of the control panel 22 via the lower fixing plate 23b. As a result, a load applied to the upward turning wheel device 19 is applied to the housing of the control panel 22. Other configurations are the same as those in the first embodiment.

  In such an elevator apparatus, the strength of the casing of the control panel 22 needs to be higher than that of the first embodiment, but the configuration can be simplified by reducing the number of parts.

Note that the casing of the control panel 22 may be directly fixed to the support beam 8, or the upward turning wheel device 19 may be directly fixed to the casing of the control panel 22.
Further, the control panel 22 of the fourth embodiment may be divided into a plurality of divided boards 22a and 22b as in the second embodiment.

Embodiment 5. FIG.
Next, FIG. 10 is a front view showing an essential part of an elevator apparatus according to Embodiment 5 of the present invention, and shows a portion corresponding to FIG. 5 of Embodiment 1. FIG. In the fifth embodiment, the control panel 22 is connected to the second counterweight guide rail 7 via the support arm 26. Thus, the control panel 22 is supported by the second counterweight guide rail 7 via the support arm 26. The control panel 22 is separated from the frame body 23, and a gap is provided between the control panel 22 and the frame body 23. Other configurations are the same as those in the first or third embodiment.

  In such an elevator apparatus, since the control panel 22 is supported by the second counterweight guide rail 7, it is possible to prevent the vibration generated by the upward return wheel apparatus 19 from being transmitted to the control panel 22. .

In the above example, only one support arm 26 is disposed at the center of the control panel 22 in the height direction. However, two or more support arms 26 may be disposed at intervals in the vertical direction.
Further, although the control panel 22 is completely separated from the frame body 23, if the influence of the vibration of the upward turning wheel device 19 is low, for example, the upper end of the control panel 22 may be connected to the upper fixing plate 23a.
Further, the support arm 26 may be connected between the divided plates 22a and 22b of the second embodiment and the second counterweight guide rail 7.

Embodiment 6 FIG.
Next, FIG. 11 is a front view showing an essential part of an elevator apparatus according to Embodiment 6 of the present invention, and shows a portion corresponding to FIG. 5 of Embodiment 1. FIG. In the sixth embodiment, the control panel 22 is separated from the frame body 23 and is fixed to the third hoistway wall 3c facing the car rear surface 1b directly or via a support member (not shown). Yes. Thereby, all the loads of the control panel 22 are supported by the third hoistway wall 3c. Other configurations are the same as those in the first embodiment.

In such an elevator apparatus, since the control panel 22 is fixed to the third hoistway wall 3c, it is possible to prevent the vibration generated by the upward return wheel apparatus 19 from being transmitted to the control panel 22.
Further, it is possible to prevent vibration due to traveling of the car 1 from being transmitted to the control panel 22.

In addition, you may isolate | separate the division boards 22a and 22b of Embodiment 2 from the frame 24, and you may fix to the 3rd hoistway wall 3c.
In the above example, a rope is used as the suspension body 13, but a plurality of belts may be used.
Further, in the above example, the control panel 22 that houses the elevator control device that controls the operation of the car 1 is shown. However, the control panel disposed between the support beam and the upward turn-back device may be, for example, safety monitoring. The board which accommodated the apparatus, or the board which accommodated other auxiliary control circuits may be used.
Furthermore, the layout of devices other than the support beam 8, the control panel 22, and the upward turn-back device 19 is not necessarily limited to the layout of FIG.

Claims (9)

A car that goes up and down in the hoistway,
A support beam provided in the hoistway;
An upturning wheel device that has an upturning wheel and is provided directly below the support beam;
A suspension body that is wound around the upward return wheel and that has both sides of the portion that is in contact with the upward return wheel guided upward from the upward return wheel, and suspends the car, and Bei example a control panel which is disposed between the support beam and the upward return pulley device,
The upward return wheel device is connected to the support beam via a plurality of connecting columns,
The said control panel is an elevator apparatus arrange | positioned between the said adjacent connection pillars . A car that goes up and down in the hoistway,
A support beam provided in the hoistway;
An upturning wheel device that has an upturning wheel and is provided directly below the support beam;
A suspension body that is wound around the upward return wheel and that has both sides of a portion that is in contact with the upward return wheel guided upward from the upward return wheel, and suspends the car; and Bei example a control panel which is disposed between the support beam and the upward return pulley device,
The control panel is divided into a plurality of divided panels arranged side by side in the horizontal direction,
The upper turning wheel device is an elevator device connected to the support beam via a connecting column disposed between the adjacent divided panels . The connecting column, the upward turn-back device, and the control panel are unitized so as to be integrally attached to and detached from the support beam, and a plurality of wires connected to the control panel extend along the connecting column. The elevator apparatus of Claim 1 or Claim 2 currently laid. A car that goes up and down in the hoistway,
A support beam provided in the hoistway;
An upturning wheel device that has an upturning wheel and is provided directly below the support beam;
A suspension body that is wound around the upward return wheel and that has both sides of a portion that is in contact with the upward return wheel guided upward from the upward return wheel, and suspends the car; and Bei example a control panel which is disposed between the support beam and the upward return pulley device,
The upper end of the control panel is connected to the support beam,
The upturning wheel device is an elevator device connected to a lower end portion of the control panel . A guide rail standing in the hoistway; and a support arm connected to the guide rail and the control panel.
The elevator apparatus according to any one of claims 1 to 4, wherein the control panel is supported by the guide rail via the support arm. The elevator apparatus according to claim 1 , wherein the control panel is fixed to a hoistway wall. A first pulley and a second adjacent pulley provided above the upward return wheel in the hoistway and around which the suspension body is wound;
The control panel includes a portion of the suspension body between the upward return wheel and the first adjacent pulley, and a portion of the suspension body between the upward return wheel and the second adjacent pulley. The elevator apparatus of any one of Claim 1 to 6 arrange | positioned between. A hoist for raising and lowering the car is supported by the support beam,
The elevator apparatus according to claim 7, wherein the first adjacent pulley is a drive sheave provided in the hoisting machine.   A car moving up and down in the hoistway,
  A support beam provided in the hoistway;
  An upturning wheel device that has an upturning wheel and is provided directly below the support beam;
  A suspension body that is wound around the upward return wheel and that has both sides of a portion that is in contact with the upward return wheel guided upward from the upward return wheel, and suspends the car;
  A control panel disposed between the support beam and the upward return wheel device,
  First and second adjacent pulleys provided above the upward return wheel in the hoistway and around which the suspension body is wound
  With
  The control panel includes a portion of the suspension body between the upward return wheel and the first adjacent pulley, and a portion of the suspension body between the upward return wheel and the second adjacent pulley. Is placed between
  A hoist for raising and lowering the car is supported by the support beam,
  The first adjacent pulley is an elevator apparatus that is a drive sheave provided in the hoisting machine.

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