WO2013186890A1

WO2013186890A1 - Elevator device

Info

Publication number: WO2013186890A1
Application number: PCT/JP2012/065209
Authority: WO
Inventors: 敬石田; 鈴木　稔也
Original assignee: 三菱電機株式会社
Priority date: 2012-06-14
Filing date: 2012-06-14
Publication date: 2013-12-19
Also published as: JPWO2013186890A1; CN104364181A

Abstract

An elevator device is configured in such a manner that the car (8) has a car compartment (11) and an upper beam (10b) which is disposed above the car compartment (11) and to which a suspension body (7) is connected. The suspension body (7) is passed over the drive sheave (6) of a hoist (3). The car (8) is vertically moved by the hoist (3). An upper air deflecting cover (14) for covering a space above the car compartment (11) is provided to the upper part of the car (8). A tube-like body (23) for surrounding the suspension body (7) is provided to the upper part of the upper beam (10b). The upper air deflecting cover (14) is provided with an opening (14a) through which the tube-like body (23) is passed. The tube-like body (23) is in contact with the edge of the opening (14a).

Description

Elevator equipment

The present invention relates to an elevator apparatus in which a wind regulation cover for suppressing noise generated when a car travels at a high speed is attached to the car.

In the conventional elevator apparatus, the air conditioner is mounted on the upper part of the car. The air conditioner has a frame part that can be divided and a plurality of panel parts connected to the frame part. Moreover, the opening for passing the main rope which suspends a cage | basket is provided in the upper part of the air conditioning apparatus (for example, refer patent document 1).

JP 2004-338908 A

In the conventional elevator apparatus as described above, since the opening is provided in the upper part of the air conditioner, air enters the air conditioner from the opening when traveling in the upward direction of the car, and the sound insulation performance decreases.

The present invention has been made to solve the above-described problems, and an object thereof is to obtain an elevator apparatus that can further reduce noise during traveling.

An elevator apparatus according to the present invention includes a hoisting machine having a driving sheave, a suspension body wound around the driving sheave, a car room, and an upper beam disposed above the car room and connected to the suspension body. A car that is lifted and lowered by a hoisting machine, and an upper windbreak cover that covers the space above the car room, and a cylindrical body that surrounds the suspension body is provided on the upper beam. The upper windbreak cover is provided with an opening through which the cylindrical body passes, and the edge of the opening is in contact with the cylindrical body.

In the elevator apparatus according to the present invention, the cylindrical body surrounding the suspension body is fixed to the upper part of the upper beam, and the edge of the opening of the upper wind-conditioning cover that passes the cylindrical body is in contact with the cylindrical body. The amount of air flowing from the periphery of the suspension body into the upper windbreak cover during traveling in the upward direction of the car can be suppressed, and noise during traveling can be further reduced.

1 is a schematic configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention. It is a perspective view which shows the upper part of the cage | basket | car of FIG. It is a perspective view which shows the state which removed the upper front panel and upper back panel of FIG. It is a perspective view which decomposes | disassembles and shows the right half of the top wind regulation cover of FIG. FIG. 5 is a cross-sectional view taken along line VV in FIG. 2. It is principal part sectional drawing of the upper wind regulation cover of the elevator apparatus by Embodiment 2 of this invention. It is principal part sectional drawing of the upper wind regulation cover of the elevator apparatus by Embodiment 3 of this invention. It is a perspective view which shows the upper front panel of Embodiment 4 of this invention. FIG. 10 is a perspective view showing an upper rear panel according to a fourth embodiment. FIG. 10 is a perspective view showing a lower front panel according to a fourth embodiment. FIG. 10 is a perspective view showing a lower rear panel according to a fourth embodiment. It is a perspective view which expands and shows the latch of FIG. FIG. 13 is a cross-sectional view taken along line XIII-XIII in FIG. 12. It is a perspective view which shows the state which removed the upper front panel and the upper back panel from the cage | basket | car of the elevator apparatus by Embodiment 5 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 configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention. In the figure, a machine room 2 is provided in the upper part of the hoistway 1. In the machine room 2, a hoisting machine (driving device) 3, a deflecting wheel 4, and an elevator control device (control panel) 5 are installed. The hoisting machine 3 includes a drive sheave 6, a hoisting machine motor that rotates the driving sheave 6, and a hoisting machine brake (electromagnetic brake) that brakes the rotation of the driving sheave 6.

A suspension body 7 is wound around the driving sheave 6 and the deflecting wheel 4. As the suspension body 7, a plurality of ropes or a plurality of belts are used. A car 8 is connected to the first end of the suspension body 7. A counterweight 9 is connected to the second end of the suspension body 7.

The car 8 and the counterweight 9 are suspended in the hoistway 1 by the suspension body 7, and are raised and lowered in the hoistway 1 by the hoisting machine 3. The elevator control device 5 controls the operation of the car 8 by controlling the hoisting machine 3.

In the hoistway 1, a pair of car guide rails (not shown) for guiding the raising and lowering of the car 8 and a pair of counterweight guide rails (not shown) for guiding the raising and lowering of the counterweight 9 are installed. Has been. The car guide rails are arranged on both the left and right sides of the car 8.

The car 8 has a car frame 10 to which the suspension body 7 is connected, and a car room 11 supported by the car frame 10. A car doorway is provided in front of the car room 11. The car entrance is opened and closed by a pair of car doors 12.

A plurality of halls are provided with a pair of hall doors 13 for opening and closing the hall entrance. The landing door 13 is opened and closed in conjunction with the car door 12 when the car door 12 is engaged when the car 8 is landed.

An upper wind conditioned cover 14 is provided on the upper portion of the car 8. A lower wind-control cover 15 is provided at the lower part of the car 8. The conditioned

covers

14 and 15 suppress noise generated when the car 8 travels at a high speed.

An air conditioning plate 16 is provided above the front surface of the car room 11. The air conditioning plate 16 suppresses the inflow of air into the gap between the front surface of the car room 11 and the hoistway wall 1a when traveling upward of the car 8. As a result, noise generated when the traveling wind hits the car door 12 is suppressed.

In the elevator apparatus of the first embodiment, the maximum speed when traveling upward of the car 8 is extremely high (for example, 1000 m / min or more). Further, the maximum speed when traveling downward in the car 8 is lower than the maximum speed when traveling upward (for example, 600 m / min). For this reason, the shape of the upper conditioned cover 14 and the shape of the lower conditioned cover 15 are asymmetric in the vertical direction.

FIG. 2 is a perspective view showing the upper part of the car 8 in FIG. The car frame 10 has a pair of left and right vertical frames 10a and a horizontal upper beam 10b fixed between the upper ends of the vertical frames 10a. The vertical frames 10 a are arranged in parallel to each other on both sides in the width direction of the car room 11. The upper beam 10 b is disposed above the car room 11 in the middle part of the car 8 in the front-rear direction. The suspension body 7 is connected to an intermediate portion of the upper beam 10b.

A pair of upper roller guide devices 21 that engage with the car guide rails are mounted on the upper end of the car frame 10. Each roller guide device 21 has three guide rollers that roll along the car guide rail. A pair of lower roller guide devices (not shown) that engage with the car guide rails are mounted on the lower end of the car frame 10.

A door girder 22 is provided in the upper part of the front surface of the car room 11. The door girder 22 is provided with a car door rail (not shown) for guiding the opening / closing operation of the car door 12. The car door 12 is suspended from the car door rail.

A cylindrical body 23 surrounding the suspension body 7 is provided on the upper part of the upper beam 10b. The upper air conditioning cover 14 is provided with an opening 14 a through which the cylindrical body 23 passes. The edge of the opening 14 a is in contact with the cylindrical body 23.

An upper support member (connecting rod) 24 is fixed between the cylindrical body 23 and the upper end portion of the air conditioning plate 16. The upper support member 24 is an intermediate portion in the width direction of the car 8 and is disposed in parallel and horizontally with the front-rear direction of the car 8.

The upper wind regulation cover 14 is divided into right and left of the intermediate portion in the width direction of the car 8, upper and lower of the intermediate portion in the vertical direction, and front and rear of the intermediate portion in the front and rear direction of the car 8. In other words, the upper wind cover 14 includes a pair of upper front panels 25, a pair of upper rear panels 26, a pair of lower front panels 27, and a pair of lower rear panels 28.

3 is a perspective view showing a state in which the upper front panel 25 and the upper rear panel 26 of FIG. 2 are removed, and FIG. 4 is an exploded perspective view showing the right half of the upper wind-conditioning cover 14 of FIG. The door girder 22 is supported by a door girder support frame 29. The door girder support frame 29 is fixed to the vertical frame 10a between the ceiling of the cab 11 and the upper beam 10b, and protrudes horizontally from the vertical frame 10a.

The lower rear support frame 30 is fixed to the vertical frame 10a at the same height as the door girder support frame 29, and protrudes horizontally from the vertical frame 10a. An intermediate support frame 31 is supported on the upper beam 10b. The intermediate support frame 31 is disposed horizontally across the upper beam 10b.

The intermediate support frame 31 includes a pair of L-shaped base members 32 fixed to the upper surface of the upper beam 10b, an intermediate front frame 33 fixed to the lower surface of the base member 32 in front of the upper beam 10b, An intermediate rear frame 34 fixed to the lower surface of the base member 32 behind the upper beam 10b.

The base members 32 are arranged in parallel and horizontally in the front-rear direction of the car 8 so as to be spaced from each other in the width direction of the car 8. Further, the base member 32 is disposed on both sides of the cylindrical body 23. The intermediate front frame 33 and the intermediate rear frame 34 are horizontally disposed above the cab 11.

The lower end portion of the upper front panel 25 is detachably connected to the intermediate front frame 33. An upper end portion of the upper front panel 25 is detachably connected to the upper support member 24 and the cylindrical body 23. A lower end portion of the upper rear panel 26 is detachably connected to the intermediate rear frame 34. An upper end portion of the upper rear panel 26 is detachably connected to the cylindrical body 23.

The lower end of the lower front panel 27 is detachably connected to the door girder support frame 29. An upper end portion of the lower front panel 27 is detachably connected to the intermediate front frame 33. A lower end portion of the lower rear panel 28 is detachably connected to the lower rear support frame 30. An upper end portion of the lower rear panel 28 is detachably connected to the intermediate rear frame 34. For connecting the panels 25 to 28, for example, bolts and nuts are used.

FIG. 5 is a cross-sectional view taken along line VV in FIG. A first reinforcing member 35 having an L-shaped cross section is fixed to the back surface of the end portion of the upper front panel 25 adjacent to the upper rear panel 26. A second reinforcing member 36 having an L-shaped cross section is fixed to the back surface of the end portion of the upper rear panel 26 adjacent to the upper front panel 25.

The first and second reinforcing

members

35 and 36 are detachably connected by a plurality of connectors 37. As the connector 37, for example, a bolt and a nut are used. The second reinforcing member 36 is extended toward the upper front panel 25 so as to close the gap between the upper front panel 25 and the upper rear panel 26. That is, the second reinforcing member 36 also serves as a gap closing portion.

In such an elevator apparatus, the cylindrical body 23 surrounding the suspension body 7 is fixed to the upper part of the upper beam 10 b, and the edge of the opening 14 a of the upper air-conditioning cover 14 that passes through the cylindrical body 23 is the cylindrical body 23. Therefore, the amount of air flowing into the upper windbreak cover 14 from the periphery of the suspension body 7 when traveling in the upward direction of the car 8 can be greatly suppressed, and the sound insulation of the upper windbreak cover 14 is reduced. Can be improved. Thereby, the noise at the time of driving | running | working can be reduced more.

Also, when working on the upper beam 10b, the tubular body 23 can be used as a handrail, and workability can be improved.

Furthermore, since the upper wind guide cover 14 is divided into the left and right of the intermediate portion in the width direction of the car 8, the upper and lower portions of the intermediate portion in the vertical direction, and the front and rear of the intermediate portion in the front and rear direction of the car 8. When performing an operation such as replacement on the upper beam 10b, it is not necessary to remove the entire upper windbreak cover 14, and it is only necessary to remove the upper front panel 25 and the upper rear panel 26. For this reason, the time of the whole work can be shortened.

Furthermore, since the upper front panel 25 and the upper rear panel 26 are connected to the cylindrical body 23 by bolts and nuts when mounted, the rigidity of the upper wind conditioned cover 14 can be increased. Moreover, the airtightness between the cylindrical body 23 and the upper wind-control cover 14 increases, and the sound insulation of the upper wind-control cover 14 can be further improved.

Further, since the intermediate support frame 31 is fixed to the upper beam 10b, the panels 25 to 28 can be stably held. In addition, since work can be performed on the intermediate support frame 31, workability can be further improved.

Furthermore, since the gap between the upper front panel 25 and the upper rear panel 26 is closed by the second reinforcing member 36, the sound insulation effect can be enhanced.

In the above example, the second reinforcing member 36 also serves as a gap closing portion. However, the first reinforcing member 35 is extended toward the upper rear panel 26 so that the gap is closed on the first reinforcing member 35. It may be combined.
In the above example, the upper front panel 25 and the upper rear panel 26 are detachably connected to the cylindrical body 23, but these may be merely brought into contact with the cylindrical body 23. In this case, an engaging part may be provided on the upper part of the upper front panel 25 and the upper rear panel 26, and the engaging part may be engaged with the upper edge of the cylindrical body 23.

Embodiment 2. FIG.
Next, FIG. 6 is a cross-sectional view of an essential part of the upper air conditioned cover 14 of the elevator apparatus according to Embodiment 2 of the present invention, and corresponds to the VV cross section of FIG. In the second embodiment, a gap closing portion 26 a that is overlapped on the back surface of the upper front panel 25 is provided at the end of the upper rear panel 26 on the upper front panel 25 side. Other configurations are the same as those in the first embodiment.

As described above, the gap between the upper front panel 25 and the upper rear panel 26 can also be closed by providing the gap rear gap closing portion 26a in the upper rear panel 26, and the sound insulation effect can be enhanced. it can.

In the above example, the gap closing portion 26 a is provided in the upper rear panel 26, but the gap closing portion may be provided in the upper front panel 25.

Embodiment 3 FIG.
Next, FIG. 7 is a cross-sectional view of the main part of the upper air conditioned cover 14 of the elevator apparatus according to Embodiment 3 of the present invention, and corresponds to the VV cross section of FIG. In the third embodiment, a joint member 38 having a T-shaped cross section as a gap closing portion that closes a gap between the upper front panel 25 and the upper rear panel 26 is fixed to the upper rear panel 26. Other configurations are the same as those in the first embodiment.

Thus, by fixing the joint member 38 to the upper rear panel 26, the gap between the upper front panel 25 and the upper rear panel 26 can be closed, and the sound insulation effect can be enhanced.
The joint member 38 may be fixed to the upper front panel 25.

Embodiment 4 FIG.
Next, FIG. 8 is a perspective view showing the upper front panel 25 of the fourth embodiment of the present invention, FIG. 9 is a perspective view showing the upper rear panel 26 of the elevator apparatus of the fourth embodiment, and FIG. 10 is the fourth embodiment. FIG. 11 is a perspective view showing a lower rear panel 28 of the fourth embodiment. One or a plurality of latches 39 are provided on the outer surfaces of the panels 25 to 28, respectively.

12 is an enlarged perspective view showing the latch 39 of FIG. 8, and FIG. 13 is a cross-sectional view taken along line XIII-XIII of FIG. The latch 39 has a latch main body 40 formed by forming an intermediate portion of a round bar into a U shape, and a pair of holding metal 41 for rotatably holding both end portions of the latch main body 40.

The holding metal 41 is formed by forming a semi-cylindrical portion for holding the end of the latch main body 40 into a steel plate, and is fixed to the panels 25 to 28 by rivets or the like. Other latches 39 are configured in the same manner as in FIG. Other configurations of the elevator apparatus are the same as those in the first, second, or third embodiment.

By providing such a latch 39 on the panels 25 to 28, when removing the panels 25 to 28, a lifting hook or rope can be hung on the latch 39, thereby improving workability. Further, since the latch main body 40 can be laid down along the surfaces of the panels 25 to 28 when not in use, the air conditioning performance of the upper air conditioning cover 14 is not impaired.

In the above example, the latches 39 are provided on all the panels 25 to 28, but may be provided only on a part of the panels 25 to 28.

Embodiment 5. FIG.
Next, FIG. 14 is a perspective view showing a state in which the upper front panel 25 and the upper rear panel 26 are removed from the car 8 of the elevator apparatus according to Embodiment 5 of the present invention. In the figure, a pair of vertical reinforcing frames (table bones) 42 protruding upward are fixed to the intermediate support frame 31. The vertical reinforcing frame 42 is fixed to the side surface of the base member 32.

Each vertical reinforcing frame 42 has a pair of vertical members 43 having an L-shaped cross section, a pair of diagonal keeper 44, and a horizontal reinforcing member 45. The lower end of the vertical member 43 is fixed to the base member 32 on both sides of the upper beam 10b when viewed from directly above. The vertical members 43 are erected in parallel and vertically.

The oblique retainer 44 is obliquely fixed between the vicinity of the upper end portion of the vertical member 43 and the base member 32. The lateral reinforcing member 45 is horizontally fixed between the upper end portions of the vertical member 43. Other configurations are the same as those in the first, second, third, or fourth embodiment.

In such an elevator apparatus, since the vertical reinforcing frame 42 is fixed to the intermediate support frame 31, the rigidity of the intermediate support frame 31 can be increased. Thereby, the scaffold at the time of work on the intermediate support frame 31 is stabilized, and workability can be improved.

Also, workability can be further improved by connecting a safety belt to the vertical reinforcing frame 42 or using it as a handrail.

In the above example, the cylindrical body 23 having a rectangular horizontal cross section is shown. However, the cross sectional shape of the cylindrical body 23 is not limited to this, and for example, a circular shape, an elliptical shape, an oval shape, a hexagonal shape, or the like. It may be.
Further, the type of the elevator apparatus to which the present invention is applied is not limited to the type shown in FIG. For example, the present invention can be applied to a machine room-less elevator, a multi-car elevator device, a double deck elevator, or the like. However, the present invention is particularly effective for an elevator apparatus in which a car travels at a high speed.

Claims

Hoisting machine with drive sheave,
A suspension wound around the drive sheave,
A car room, and an upper beam disposed above the car room and connected to the suspension body, the car being lifted and lowered by the hoisting machine, and the car room provided at an upper part of the car, With an upper air conditioning cover that covers the space above
A cylindrical body surrounding the suspension is provided on the upper beam,
The upper windbreak cover is provided with an opening through which the cylindrical body passes.
An elevator apparatus in which an edge of the opening is in contact with the cylindrical body.
The upper beam is disposed in an intermediate part in the front-rear direction of the car,
The upper beam supports an intermediate support frame disposed horizontally across the front beam and the front beam,
The upper windbreak cover is divided into left and right sides of the intermediate portion in the width direction of the car, upper and lower sides of the intermediate support frame, and front and rear sides of the intermediate portion in the front and rear direction of the cage, and a pair of upper front panels and a pair of upper portions. The elevator apparatus according to claim 1, comprising a rear panel, a pair of lower front panels, and a pair of lower rear panels.
The elevator apparatus according to claim 2, wherein an upper end portion of the upper front panel and an upper end portion of the upper rear panel are detachably connected to the cylindrical body.
3. The elevator apparatus according to claim 2, wherein a gap closing portion that closes a gap of a joint between the upper front panel and the upper rear panel is provided on one of the upper front panel and the upper rear panel.
The elevator apparatus according to claim 2, wherein a latch is provided on an outer surface of at least one of the upper front panel, the upper rear panel, the lower front panel, and the lower rear panel.
The elevator apparatus according to claim 2, wherein a vertical reinforcing frame protruding upward is fixed to the intermediate support frame.
The vertical reinforcing frame includes a pair of vertical members, a pair of diagonal retainers fixed obliquely between the vertical members and the intermediate support frame, and a horizontal reinforcing horizontally fixed between upper ends of the vertical members. The elevator apparatus according to claim 6, further comprising a member.