JP2000016725A - Structure for elevator car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and safely perform maintenance and inspection work in an elevator hoistway, by forming a roof part as a case with an upper surface part flat and with an inner part serving as a storage space, and internally mounting a car accessory equipment such as luminaire, ventilating fan, control equipment in this roof part so as to prevent protruding in the flat upper surface part of the roof part. SOLUTION: A roof part 2 constituted by a case is mounted in an upper part of a car main unit 8. The inside of this roof part 2 serves as a storage space, an upper surface part thereof is formed as a flat surface. A car accessory equipment 3 such as luminaire, ventilating fan, control equipment is internally mounted in the storage space of this roof part 2 so as to prevent protruding in the flat upper surface part of the roof part 2. In the case of performing maintenance and inspection in an elevator hoistway, work is performed on the flat upper surface part of the roof part 2. Here, since this constitution is formed without protruding the car accessory equipment 3 such as the lighting fixture, ventilating fan, control equipment, to an upper surface part of a car 1, a scaffold can be surely ensured by preventing obstruction by these car accessory equipment 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of an elevator cage.

[0002]

2. Description of the Related Art In home elevators and small elevators, the floor area of elevator cages has been reduced, and accessories such as lighting fixtures, ventilation fans, and control devices are attached to the ceiling of the cage. And in the prior art, FIG.
As shown in (2), the upper part of the basket accessory device 3 is attached in a state of protruding upward from the upper surface of the basket 1 (that is, the upper surface of the ceiling).

By the way, in maintaining guide rails and limit switches in an elevator hoistway,
The worker rides on the top of the basket 1 and works.
In this case, since the upper part of the cage accessory 3 protrudes upward from the upper surface of the cage 1, it is difficult to secure a footstep on the upper surface of the cage, and maintenance and inspection work in the elevator hoistway is difficult. There is also a problem in terms of safety. In FIG. 6, reference numeral 20 denotes a handrail which is formed standing up on the outer peripheral portion of the upper surface of the elevator cage 1.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a structure of an elevator cage in which maintenance and inspection work in an elevator hoistway can be easily and safely performed. It is an issue.

[0005]

In order to solve the above-mentioned problems, an elevator cage structure according to the present invention has a ceiling portion 2 of an elevator cage 1 having a flat upper surface and a storage space inside. The apparatus is characterized in that a box accessory device 3 such as a lighting device, a ventilation fan, a control device and the like is provided inside the ceiling portion 2 so as not to protrude from a flat upper surface portion of the ceiling portion 2. With such a configuration, the elevator hoistway 1
For maintenance and inspection of the guide rails and limit switches in the cage 0, the flat upper surface of the cage 1 in which the cage accessories 3 such as lighting fixtures, ventilation fans, and control devices do not protrude (that is, the ceiling 2 composed of boxes). (Upper surface portion of the vehicle), and in this case, a scaffold can be reliably secured without being obstructed by the basket accessory device 3 such as a lighting device, a ventilation fan, and a control device.

In addition, an inspection opening 4 is provided on the upper surface of the ceiling 2.
It is preferable to provide an inspection cover 5 in the inspection opening 4 so as to be openable and closable. With such a configuration, in maintenance and inspection of the cage accessory device 3 such as a control device, work is performed on the flat upper surface portion of the basket 1 (that is, the upper surface portion of the ceiling portion 2 configured by a box). You can do it.

A cage 1 is mounted on a ceiling 2 of an elevator cage 1.
A vertical opening opening / closing opening 6 communicating with the inside and outside of the vehicle is provided, and a basket accessory device 3 such as a lighting device, a ventilation fan, and a control device is attached to an opening / closing cover 7 which allows the opening / closing opening 6 to be opened and closed. 7 may be configured to open to the inside of the basket 1. With such a configuration, when performing maintenance and inspection of guide rails, limit switches, and the like in the elevator hoistway, the opening / closing lid 7 that closes the access opening 6 of the ceiling 2 is attached to the basket 1. In this state, a stepladder or the like is erected in the basket 1 and the upper body is ridden on the elevator to enter the elevator hoistway 10 through the access opening 6, so that the rails and the limits in the elevator hoistway are set. Maintenance and inspection of switches and the like can be performed. In this case, the peripheral portion of the entrance / exit opening 6 of the ceiling 2 serves as a kind of handrail so that work can be performed safely.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

FIG. 1 shows an embodiment of the present invention. In the present embodiment, the elevator cage 1 is configured by attaching a ceiling part 2 formed of a box to an upper part of a cage main body 8. The interior of the ceiling 2 formed of a flat box having a square shape in a plan view is a storage space, and the upper surface of the ceiling 2 is a flat surface. In the storage space in the ceiling part 2 constituted by this box, basket accessories 3 such as lighting fixtures, ventilation fans, and control equipment are previously installed. In this case, the cage attachment device 3 such as a lighting fixture, a ventilation fan, and a control device is a flat upper surface of the ceiling 2 (that is, an upper surface of the basket 1).
It is installed inside the ceiling part 2 so as not to protrude. Therefore, the upper surface of the basket 1 remains in a flat state in which the cage accessories 3 such as the lighting fixture, the ventilation fan, and the control device do not protrude. An inspection opening 4 is provided on the upper surface of the ceiling 2, and an inspection lid 5 that can be opened and closed is attached to the inspection opening 4.

The elevator cage 1 as described above is arranged to be able to move up and down in an elevator hoistway 10 formed over the upper and lower floors in the building. In the embodiment shown in FIG.
A stand 11 is fixed to the bottom of the elevator shaft 10, and a pair of guide rails 12 is erected on the stand 11, and a lower end of a telescopic hydraulic jack 13 is fixed to the stand 11. I have The upper end of the rod of the telescopic hydraulic jack 13 is attached to a platform 14 on which the basket 1 is mounted. A guide (not shown) is provided on the platform 14 and is slidably fitted on the guide rail 12.

When the maintenance and inspection of the guide rails 12 and limit switches in the elevator hoistway 10 are performed, the cage 1 without the protruding accessories 3 such as lighting fixtures, ventilation fans, and control equipment is used. The work is performed on a flat upper surface portion (that is, an upper surface portion of the ceiling portion 2 constituted by a box). In this case, a cage accessory device 3 such as a lighting fixture, a ventilation fan, and a control device is placed on the upper surface portion of the basket 1. Since it does not protrude, the scaffolding can be reliably secured without being obstructed by the basket accessories 3 such as these lighting fixtures, ventilation fans, and control devices. In addition, when performing maintenance and inspection of the cage accessory 3 such as control equipment in the ceiling 2, the inspection lid provided on the upper surface of the ceiling 2 rides on the flat upper surface of the basket 1. The inspection opening 4 is opened by opening 5, and maintenance and inspection of the cage-attached device 3 such as a control device installed in the storage space in the ceiling 2 made of a box from the inspection opening 4 is performed. .

By the way, the ceiling portion 2 is constituted by a box, and a cage accessory device 3 such as a lighting fixture, a ventilation fan, a control device, etc. is previously provided.
Can be formed by simply attaching the ceiling part 2 consisting of a box to the upper part of the basket main body 8 to form the basket 1 having the basket accessories 3 such as lighting equipment, ventilation fans, and control equipment.

In the case of the hydraulic type in which the basket 1 is moved up and down by the hydraulic jack 13 as in the above embodiment, there is no problem in flattening the upper surface of the basket 1.
In the case of the hydraulic type, the ceiling 2 does not require much strength, so that even if the ceiling 2 is mounted on the upper part of the basket main body 8, there is no problem in strength.

FIG. 3 shows an example of a type in which the basket 1 is hung up and down by hanging the rope 17. In this case, lighting equipment, ventilation fans, control equipment, etc. are provided above the basket main body 8. The ceiling part 2 is provided with a box attached to the interior of the cage attachment device 3 and has a flat upper surface. A reinforcing frame 16 is mounted so as to surround the periphery of the basket 1, and a rope 15 is attached to the upper frame portion 16a of the reinforcing frame 16. Is attached, the basket 1 can be hung up and down without any problem in strength even if the ceiling 2 made of a separate box is attached to the basket main body 8.

Next, another embodiment of the present invention will be described with reference to FIGS.
It will be described based on. An elevator basket 1 is constructed by attaching a ceiling portion 2 to an upper portion of a basket main body 8. The ceiling part 2 of the basket 1 is provided with an opening / exit opening part 6 that opens vertically and communicates with the inside and outside of the basket 1. An opening / closing lid 7 is attached to the access opening 6 so as to be openable and closable. That is, the opening / closing lids 7 are rotatably supported by the respective opening edges of the pair of opening / closing lids 6 at the opposing opening edges of the pair of opening / closing openings 6 so that the opening / closing lids 7 can be opened inside the basket 1 in a double-open manner. It is. A cage accessory 3 such as a lighting device, a ventilation fan, and a control device is attached to the opening / closing lid 7. When the opening / closing opening 6 is closed with the opening / closing lid 7 being horizontal, a basket for a lighting device, a ventilation fan, a control device, and the like is provided. Attached equipment 3
(Except for the lower surface of the lighting equipment) is located on the upper surface side of the opening / closing lid 7 so as not to be exposed in the basket 1. Normally, as shown in FIG. 4, it is used with the opening / closing lid 7 closed. Meanwhile, lighting equipment, ventilation fans,
FIG. 5 shows the maintenance and inspection of the basket accessory device 3 such as a control device.
By opening the opening / closing lid 7 inside the basket 1 as shown in FIG.
The maintenance and inspection of the basket accessory device 3 such as a lighting device, a ventilation fan, and a control device can be performed in the inside. Also,
When performing maintenance and inspection of the guide rails 12 and limit switches in the elevator hoistway 10 as well, the open / close lid 7 is opened inside the cage 1 as shown in FIG. The operator rides on the upper part of the elevator to get the upper body out of the access opening 6 into the elevator hoistway, thereby performing maintenance and inspection of the guide rails 12 and limit switches in the elevator hoistway. Inspection can be easily performed because the elevator shaft can be seen 360 degrees while riding on the elevator 30. In addition, since it is not necessary to ride on the upper surface of the elevator cage 1, it is safe.
The peripheral edge of the access opening 6 formed in the above-mentioned section serves as a kind of handrail so that work can be performed safely.

[0016]

According to the first aspect of the present invention, the ceiling of the elevator cage is a box having a flat upper surface and a storage space inside, and a lighting fixture,
Since the cage accessories such as ventilation fans and control equipment are housed so as not to protrude from the flat upper surface of the ceiling, lighting equipment, etc. are used for maintenance and inspection of guide rails and limit switches etc. in the elevator hoistway. It is possible to work on the flat upper surface of the basket (ie, the upper surface of the ceiling constituted by the box) where the basket accessories such as ventilation fans and control devices do not protrude, and lighting equipment, ventilation fans, control devices, etc. Thus, the scaffold can be reliably secured without being disturbed by the accessories attached to the cage, and as a result, maintenance and inspection work in the elevator hoistway can be easily and safely performed in a stable posture.

According to the second aspect of the present invention, in addition to the effect of the first aspect, an inspection opening is provided in the upper surface of the ceiling, and the inspection opening can be freely opened and closed. Is equipped with an inspection lid, so that maintenance and inspection of basket accessories such as control equipment can be performed on the flat upper surface of the basket (that is, the upper surface of the ceiling composed of boxes). is there.

According to the third aspect of the present invention, an opening / closing opening communicating with the inside and outside of the cage is provided in the ceiling of the elevator cage, and an opening / closing lid for opening / closing the opening / closing opening is illuminated. The equipment attached to the cage, such as appliances, ventilation fans, and control equipment, is attached, and the opening / closing lid is opened inside the basket.Therefore, maintenance and inspection of the guide rails and limit switches in the elevator hoistway require Open the opening / closing lid that closes the access opening inside the basket, and in this state, set up a stepladder or the like in the basket, and get on the upper body to get into the elevator hoistway from the access opening. This allows maintenance and inspection of rails and limit switches in the elevator hoistway, and the periphery of the ceiling opening and exit opening serves as a kind of handrail to safely work. Can be A shall, these results, the maintenance of the elevator shaft without ride on the upper surface of the cage of the elevator, it is intended to easily and safely perform inspection work.

[Brief description of the drawings]

FIG. 1 is a perspective view of an elevator cage according to an embodiment of the present invention.

FIG. 2 is a schematic overall perspective view of the elevator device.

FIG. 3 is a perspective view of an elevator cage according to another embodiment of the present invention.

FIG. 4 is a perspective view of an elevator cage according to still another embodiment of the present invention.

FIG. 5 is a perspective view showing a state where the opening / closing lid is opened.

FIG. 6 is a perspective view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Basket 2 Ceiling 3 Basket accessories 4 Inspection opening 5 Inspection lid 6 Access opening 7 Opening / closing lid

Claims (3)

[Claims] 1. The ceiling of an elevator cage is a box having a flat top surface and a storage space inside, and inside the ceiling, basket accessories such as lighting equipment, ventilation fans, and control equipment are flattened. The structure of the elevator cage, wherein the elevator is housed so as not to protrude from the top surface. 2. An inspection opening is provided in the upper surface of the ceiling,
2. The elevator cage structure according to claim 1, wherein an inspection lid is provided at the inspection opening so as to be freely opened and closed. 3. An upper and lower opening opening / closing opening communicating with the inside and outside of the basket is provided in a ceiling portion of the elevator cage, and a lighting device, a ventilation fan, a control device, etc. are provided on an opening / closing lid capable of opening and closing the opening / closing opening. A structure of an elevator cage, wherein a structure attached to the cage is attached, and an opening / closing lid is opened inside the cage.