CN103058036A - Double-decked elevator - Google Patents

Abstract

The present invention provides a double-deck elevator capable of safely and efficiently inspecting car equipment. The double-deck elevator of the present invention has a car frame that moves up and down in the hoistway, an upper car that can be vertically and vertically arranged in the car frame, a lower car that is arranged below the upper car, and drives the upper car and The driving device for adjusting the position of the car in which the lower car moves up and down in opposite directions within the car frame, and can change the distance between the upper car and the lower car according to the vertical distance between the floors they stop at. The double-deck elevator has an inspection platform, and the inspection platform has a beam member fixed at a predetermined height on the wall of the hoistway, and a tread plate supported by the beam member and capable of facing the upper beam of the car frame. And the handrail member that is arranged on this step board, this inspection platform is used as foothold to be arranged on the car equipment that is arranged on the car frame to carry out inspection.

Description

double deck elevator

technical field

The present invention relates to a double-deck elevator capable of adjusting the vertical distance between upper and lower cars, and more particularly to a double-deck elevator with an inspection platform used for inspection of car equipment.

Background technique

In the prior art, when overhauling the equipment fixed in the elevator pit at the bottom of the elevator hoistway or the equipment (such as the control panel) fixed on the inner wall of the hoistway and cannot be inspected from the elevator car, it is used to ensure that The maintenance platform device at the foothold of the maintenance operator, for example, discloses a kind of maintenance platform device in Patent Document 1. When not in use, the maintenance platform device can be folded along the elevator passage wall and stored in a place that is not in contact with the lifting. The position where the ascending and descending lifting body in the channel interferes, and when the equipment fixed on the inner wall of the lifting channel is overhauled, the inspection platform device can be pulled out and expanded to form a footboard used as a foothold during maintenance. In addition, when the footboard is extended, the armrest member can be formed to have a wide surrounding range corresponding to the extended footboard by inclining and elongating the armrest member toward the direction in which the standing position is extended (for example, refer to Patent Document 1).

In addition, in recent years, double-deck elevators capable of changing the vertical distance between the upper car and the lower car in accordance with the vertical distance between the floors stopped have been developed. In this type of elevator, an upper car and a lower car that can move up and down in the car frame are provided in the car frame, and a car position adjustment drive for driving the upper car and the lower car is provided. device, the car frame has a large height dimension, and many car devices that need maintenance and inspection are arranged in the car frame (for example, refer to Patent Document 2).

prior art literature

patent documents

Patent Document 1: Japanese Patent Laid-Open No. 2011-37604 (paragraph numbers 0018-0027, FIG. 6 )

Patent Document 2: Japanese Patent Laid-Open No. 2001-122565 (paragraph numbers 0015-0018, FIG. 1 )

However, the inspection platform device disclosed in the above-mentioned Patent Document 1 is used for inspection of elevator equipment in the hoistway of an elevator, and is not suitable for maintenance and inspection of car equipment of double-deck elevators.

Contents of the invention

The present invention is made in view of the practical problems existing in the above-mentioned prior art, and an object of the present invention is to provide a double-deck elevator that can safely and efficiently inspect car equipment.

solution

In order to achieve the above object, the present invention provides a double-deck elevator, which has a car frame that can be lifted and lowered in the hoistway, an upper car that can be vertically and vertically arranged in the car frame, and a car frame that is arranged on the upper car frame. The lower car below and the driving device for adjusting the position of the car that drives the upper car and the lower car to move up and down in opposite directions within the car frame, and can The vertical distance between the upper car and the lower car can be changed by changing the vertical distance between the upper car and the lower car. The double-deck elevator is characterized in that it has an inspection platform, and the inspection platform has a beam fixed at a predetermined height on the wall of the hoistway. member, the footboard supported by the beam member and capable of facing the upper beam of the car frame, and the handrail member arranged on the footboard. The car equipment on the car frame is overhauled.

In the present invention having the above-mentioned structure, when inspecting the car equipment installed in the car frame of the double-deck elevator, the operator first enters the car frame, then moves the car frame, and when the car frame moves to When the position is opposite to the footboard of the inspection platform, the operator enters the inspection platform. Then, the operator uses the inspection platform as a foothold to inspect and repair the car equipment arranged in the car frame. In this way, by using the dedicated inspection platform installed in the hoistway, it is possible to safely and efficiently perform inspection work on the car equipment of the double-deck elevator.

In addition, the double-deck elevator of the present invention is characterized in that the tread board has a movable springboard, and the springboard is folded and stored in a position where it does not interfere with the car frame when not in use. It is pulled out and erected between the tread plate and the upper beam during maintenance.

In the present invention having the above structure, when the operator enters the inspection platform from the car frame, the springboard is pulled out and erected between the footboard of the inspection platform and the upper beam of the car frame. Thereby, it can move to an inspection station safely.

And, the double-deck elevator of the present invention is also characterized in that, when a plurality of double-deck elevators are installed at the same time, at least the above-mentioned inspection platform of the other double-deck elevator is provided on the hoistway side of one double-deck elevator. beam members.

In the present invention having the above-mentioned structure, by arranging the beam member of the inspection platform of the other double-deck elevator on the side of the hoistway of one double-deck elevator, it is possible to ensure the installation space of the inspection platform and make the respective hoistways They are close to each other, thereby saving space when installing multiple double-deck elevators.

Invention effect

According to the present invention, the car equipment of a double-deck elevator can be inspected and inspected using a dedicated inspection platform provided in the hoistway, thereby allowing safe and efficient work to be performed.

Description of drawings

Fig. 1 is the overall structure schematic diagram of double deck elevator of the present invention.

Fig. 2 is a side view showing a first embodiment of the double-deck elevator according to the present invention.

Fig. 3 is a side view of the service stand in the first embodiment.

Fig. 4 is a schematic plan view showing a second embodiment of the double-deck elevator according to the present invention.

Fig. 5 is a schematic side view of the second embodiment.

Symbol Description

1, 1A, 1B lifting channel

2, 2A, 2B car frame

2a upper beam

2b, 2c A pair of longitudinal frames

2d intermediate beam

2e lower beam

3 main slings

4 balance weight

5 mechanical room

6 drive unit

7 steering pulley

8 control device

9 upper car

9a, 9b upper car pulley

10 lower car

10a, 10b lower car pulley

11, 11A, 11B car position adjustment driving device

11a Driving sheave for car position adjustment

12 Ropes for car position adjustment

13 elastomer

14 elastomers

15, 16, 25, 26 maintenance station

15a, 16a, 25a, 26a beam members

15b, 16b, 25b, 26b running boards

15b1, 16b1, 25b1, 26b1 Springboard

15c, 16c, 25c, 26c armrest components

Detailed ways

Hereinafter, a first embodiment of the double-deck elevator according to the present invention will be described with reference to the drawings.

As shown in Figure 1, a double-deck elevator has: a car frame 2 that is lifted and lowered in the hoistway 1; one end is connected with the car frame 2 to suspend the main sling 3 of the car frame 2; The other end of the main sling 3 is connected to be suspended by the main sling 3, and moves up and down in the hoistway 1 in the direction opposite to the car frame 2; the driving device 6 is arranged on the hoistway 1 The upper mechanical room 5 is used to drive the main sling 3, and the middle part of the main sling 3 is wound on the driving device 6; the diverting pulley 7 is arranged near the driving device 6 in the mechanical room 5 , and the main sling 3 is wound thereon; and the control device 8 is arranged in the machine room 5 for controlling the operation of the double-deck elevator. Inside the car frame 2 are provided an upper car 9 capable of moving up and down inside the car frame 2 , and a lower car 10 provided below the upper car 9 .

As shown in Fig. 2, the car frame 2 is formed by an upper beam 2a, a pair of longitudinal frames 2b, 2c, a lower beam 2e, and an intermediate beam 2d, and a drive for adjusting the position of the car is provided on the upper part of the upper beam 2a via shockproof rubber. A device 11. The car position adjustment drive device 11 has a car position adjustment drive sheave 11a. One end of the car position adjustment rope 12 as a cable-shaped body is fixed on the upper beam 2a through the elastic body 13, and the other end is wound on the two upper car pulleys 9a, 9b installed on the lower part of the upper car 9 to hang. The upper car 9 is hoisted and wound around the car position adjustment drive sheave 11a of the car position adjustment drive device 11 . Thereafter, the car position adjusting rope 12 is wound around the two lower car pulleys 10a, 10b attached to the lower part of the lower car 10 to suspend the lower car 10, and then fixed to the intermediate beam 2d via the elastic body 14.

In the double-deck elevator having the above-mentioned structure, the car position adjustment drive device 11 is driven by the control device 8 to rotate the car position adjustment drive sheave 11a, and the car position adjustment drive sheave 11a is rotated. The upper car 9 and the lower car 10 are driven such that the upper car 9 and the lower car 10 move up and down in opposite directions within the car frame 2 . And, as shown in Figure 1, when the car frame 2 is located at the upper floor, since the interval between the elevator hall floors is H1, the interval size between the upper car 9 and the lower car 10 is adjusted to H1, so that Corresponds to interval H1. When the car frame 2 is located on the lower floor, since the interval of the elevator lobby floor changes to H2, the interval between the upper car 9 and the lower car 10 is changed to H2 so as to correspond to the interval H2.

And, as shown in Figure 2, in the double-deck elevator of the first embodiment, there is a first inspection platform 15 on the right side of the elevator passage 1 in Figure 2, and on the left side of the elevator passage 1 in Figure 2, the There is a second maintenance platform 16 above the maintenance platform 15 .

As shown in Fig. 2 and Fig. 3, the first maintenance platform 15 has: the beam member 15a that is fixed on the prescribed height position of hoistway wall 1a; An opposing footboard 15b; and an armrest member 15c provided on the footboard 15b. In addition, a movable jumper 15b1 is provided on the tread plate 15b. The jumper 15b1 is folded and stored at a position where it does not interfere with the car frame 2 when not in use, and is pulled out and erected on the tread when maintenance is performed. Between the foot plate 15b and the upper beam 2a.

As shown in Figures 2 and 3, the second maintenance platform 16 also has: a beam member 16a fixed at a predetermined height on the hoistway wall 1a; 2a opposite to the footboard 16b; and the armrest member 16c provided on the footboard 16b. In addition, a movable jumper 16b1 is provided on the tread plate 16b. The jumper 16b1 is folded and stored at a position where it does not interfere with the car frame 2 when not in use, and is pulled out and erected on the tread when maintenance is performed. Between the foot plate 16b and the upper beam 2a.

In the first embodiment, when the car equipment installed in the car frame 2 is overhauled, for example, three workers enter the car frame 2, and the car frame 2 is moved upward through the maintenance mode so that it is located below The tread plate 15b of the first maintenance platform 15 and the upper beam 2a of the car frame 2 are in opposite positions. In this state, the movable springboard 15b1 is pulled out and erected between the footboard 15b and the upper beam 2a, after which one of the operators enters the first maintenance platform 15. On the first inspection platform 15, the operator inspects, for example, the car position adjustment sling 12 and the pulley 9b wound around the upper car 9 and the lower car 10 to drive the upper car 9 and the lower car 10, 10b and so on for maintenance.

Thereafter, the car frame 2 is further raised, so that the tread plate 16b of the second inspection platform 16 located above and the upper beam 2a of the car frame 2 are positioned to face each other. In this state, the movable springboard 16b1 is pulled out and erected between the footboard 16b and the upper beam 2a, after which another worker enters the second maintenance platform 16. In this state, the operator inspects the car position adjustment drive device 11 on the second inspection platform 16 . In addition, if the car frame 2 is raised in this state, the car position adjusting rope 12 and the pulleys 9a, 10a can be inspected.

According to this embodiment, by using the dedicated inspection platforms 15 and 16 provided on the hoistway 1 to inspect and inspect the car equipment of the double-deck elevator, the work can be performed safely and efficiently.

Next, a second embodiment of the double-deck elevator according to the present invention will be described with reference to the drawings.

As shown in Figure 4 and Figure 5, in the second embodiment, a first double-deck elevator A and a second double-deck elevator B are provided at the same time, and the double-deck elevators A and B are the same as the double-deck elevator shown in Figure 1 It has an upper car and a lower car (not shown), and includes: car frames 2A, 2B that move up and down in the hoistway 1A, 1B; and a car position adjustment drive device that drives the upper car and the lower car 11A, 11B; car frame guide rails 16A, 16B vertically provided in the hoistways 1A, 1B for guiding the car frames 2A, 2B.

And, in the double-deck elevator of the second embodiment, the beam member 26a of the inspection platform 26 of the second double-deck elevator B is provided on the hoistway 1A side of the first double-deck elevator A, and The beam member 25a of the inspection platform 25 of the first double-deck elevator A is provided on the hoistway 1B side.

The inspection platform 25 has a footboard 25b supported by a beam member 25a and capable of facing the upper beam of the car frame 2A, and an armrest member 25c provided on the footboard 25b. In addition, the footboard 25b is provided with a movable jumper 25b1, which is folded and stored at a position where it does not interfere with the car frame 2A when not in use, and is pulled out and mounted on the footboard 25b during maintenance. Between the upper beam of the car frame 2A. In addition, in this Example, a part of the footboard 25b and the handrail member 25c is located in the hoistway 1B side of the second double-deck elevator B as well.

The inspection platform 26 has a footboard 26b supported by a beam member 26a and capable of facing the upper beam of the car frame 2B, and an armrest member 26c provided on the footboard 26b. In addition, the footboard 26b is provided with a movable jumper 26b1, which is folded and stored at a position where it does not interfere with the car frame 2B when not in use, and is pulled out and erected between the footboard 26b and the car frame 2B during inspection. Between the upper beams of the car frame 2B. In addition, in this Example, a part of the footboard 26b and the handrail member 26c is located in the hoistway 1A side of the 1st double-deck elevator A. As shown in FIG. Moreover, as shown in FIG. 4, in order to avoid the car frame guide rail 16B, the ramp 26b1 is divided into two parts. Moreover, the said springboard 25b1 is also divided into two parts (not shown).

In the second embodiment, when the car equipment installed on the car frame 2A, 2B is inspected, as shown in the figure, the beam member 25a is arranged below the hoistway 1B of the second double-deck elevator B. The inspection platform 25 of the first double-deck elevator A is used for inspection and maintenance of the car position adjustment drive device 11A, and the inspection platform 26 located above the elevator passage 1A of the first double-deck elevator A is arranged from the beam member 26a. The car position adjustment drive device 11B of the second double-deck elevator B is inspected.

According to the second embodiment, by arranging the beam member of the inspection platform of the other double-deck elevator on the hoistway side of the one double-deck elevator, the installation space of the inspection platforms 25 and 26 can be ensured, and the respective hoistway Since 1A and 1B are close to each other, space can be saved when a plurality of double-deck elevators are installed.

Claims (3)

1. A double-deck elevator, which has a car frame that can be lifted and lowered in the hoistway, an upper car that can be lifted up and down in the car frame, a lower car that is arranged below the upper car, and a drive device for adjusting the car position that drives the upper car and the lower car to move up and down in directions opposite to each other within the car frame, and can be adjusted according to the interval in the vertical direction between the floors where they stop To change the vertical interval between the upper car and the lower car, the double-deck elevator is characterized in that, There is an inspection platform, which has a beam member fixed at a predetermined height on the wall of the hoistway, a footboard supported by the beam member and capable of facing the upper beam of the car frame, and a footboard arranged on the footboard. The double-deck elevator uses the inspection platform as a foothold to inspect and repair the car equipment arranged on the car frame. 2. The double-deck elevator according to claim 1, characterized in that, The footboard has a movable springboard, and the springboard is folded and stored at a position where it does not interfere with the car frame when not in use, and is pulled out and erected on the footboard during maintenance. and the upper beam. 3. The double-deck elevator according to claim 1, characterized in that, When a plurality of double-deck elevators are installed at the same time, at least the beam member of the inspection platform of the other double-deck elevator is installed on the hoistway side of one double-deck elevator.

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