JP2001139249A - Elevator without machine room - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator without machine room with a tool box for maintenance and inspection of the elevator. SOLUTION: A tool box for maintenance and inspection 1 is provided on a ceiling of a car 2. As a result, the tool box 1 stands on the car 2 when maintenance and inspection works are done so that a tool stored in the tool box 1 can be taken out as it is for use so as to perform the works efficiently.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION During work such as maintenance and inspection of an elevator, a jig and a tool for adjusting a brake of a hoist and an oil (oil) for replenishing a guide rail are often used. The present invention relates to a machine room-less elevator provided with a tool box storing such jigs and tools, oil, and the like.

[0002]

2. Description of the Related Art As elevators for transporting passengers installed in buildings such as buildings, so-called slip-type elevators in which a car suspended from a main rope is moved up and down by a hoist are often used. The hoist is usually installed in the machine room (machine room) provided on the roof of the elevator hoistway. However, recently, due to environmental problems such as effective use of the building and the right to sunshine, etc. The so-called machine room-less elevators without such equipment have been increasingly installed.

[0003] In order to ensure the safety of users, regular maintenance and inspection of the elevator is required even for an elevator having a machine room on the rooftop on a hoistway or an elevator without a machine room having a thin hoisting machine installed in the hoistway. Indispensable and required by law.

[0004] The maintenance and inspection work items of the elevator by the operator include brake adjustment of the hoisting machine, replenishment of grease and oil to the rotating mechanism and guide rails, and inspection of lighting equipment and the like. A variety of jigs for adjustment and repair, and grease guns and waste, or spare bulbs for repair and the like were required.

[0005] Since these various maintenance tools require a considerable storage space, they are conventionally stored in a machine room on a rooftop.

[0006]

Conventionally, in an elevator having a machine room, tools for elevator maintenance and inspection are stored in the machine room, and a worker performs maintenance and inspection using the tools in the machine room. .

However, in a machine room-less elevator aimed at saving space, there is no suitable place for storing various tools for maintenance and inspection, so it has been considered that the elevator is stored, for example, in a pit of a hoistway. Inside the pit,
There is a risk of flooding due to the provision of a drain drainage channel for elevator air conditioning equipment, which is not appropriate as a storage place for tools, and there has been a demand for improved measures.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and the invention according to the first aspect of the present invention relates to a maintenance-less elevator having a tool box for maintenance and inspection. The inspection tool box is installed on the ceiling of the car.

As described above, according to the first aspect of the present invention, the tool box for maintenance and inspection is installed on the ceiling of the car, so that the operator can get on the car and open the tool box to open jigs for maintenance and inspection. Can be used to perform maintenance and inspection on the spot or on the floor requiring maintenance and inspection.

According to a second aspect of the present invention, in a machine room-less elevator provided with a tool box for maintenance and inspection, the tool box for maintenance and inspection is installed in an upper frame of a car having a U-shaped cross section. I do.

As described above, according to the second aspect of the present invention, the machine room-less elevator also uses the maintenance / inspection tool box as the U-shaped frame.
Since it is installed in the upper frame, the operator can get on the car, open the tool box, take out the jigs and the like, and perform maintenance and inspection, as in the first aspect of the invention.

The invention described in claim 3 is the first or second invention.
In the machine room-less elevator provided with the tool box for maintenance and inspection described in (1), the tool box for maintenance and inspection has a buffer member housed in an inner bottom portion.

As described above, the maintenance and inspection tools include various kinds of jigs and tools and containers containing oils and fats. It is inevitable that the car will shake or vibrate while the user is getting on or off the car or moving up and down, but the shaking or vibration will cause the jigs and tools in the tool box to roll or collide with each other, causing noise. May be issued.

In this regard, according to the present invention, since the cushioning member is laid on the inner bottom of the tool box, the jigs and tools are prevented from rolling or colliding to prevent noise from being generated, and passengers can be used comfortably. be able to.

According to a fourth aspect of the present invention, in a machine room-less elevator provided with a tool box for maintenance and inspection, the tool box for maintenance and inspection is fixedly installed on the inner wall of the hoistway.

According to the fourth aspect of the present invention, the tool box for maintenance and inspection is arranged and fixed on the inner wall of the hoistway at a position where it does not interfere with the vertical movement of the car. Ride, open the lid of the tool box installed on the hoistway wall,
The jigs and the like can be taken out and maintenance work can be performed.

According to a fifth aspect of the present invention, in the machine room-less elevator according to the fourth aspect, the position of the inner wall of the hoistway where the tool box for maintenance and inspection is installed is higher than the elevator stop floor on the first floor of the building. It is characterized by being.

As described above, in the invention according to claim 5, in the invention according to claim 4, the position of the inner wall of the hoistway to which the tool box is fixed is at least as high as the elevator stop floor on the first floor. There is no danger of flooding due to water leakage etc. in the hoistway, and it can be stored and used without impairing the quality of the stored tools.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a machine room-less elevator equipped with a tool box for maintenance and inspection according to the present invention will be described below in detail with reference to FIGS.

FIG. 1 is a perspective view for explaining a first embodiment of a machine room-less elevator according to the present invention. FIG.
It shows the main structure of a so-called underslung type machine room-less elevator for effectively utilizing the ceiling space of a hoistway. A tool box 1 is installed on the floor of a car 2.

In the machine room-less elevator shown in FIG. 1, the car 2 is composed of a car room 21 and a car frame 22 supporting the car room 21, and the car frame 22 is a U-shaped upper frame ( 221), a vertical frame 222, a lower frame 223, and the like.
The vehicle moves in the hoistway while being guided by the pair of car guide rails 31 and 32.

One of the main ropes 4 supporting the car 2 is fixed to the rope hitch 31a at the upper end of the guide rail 31, and the other end is fixed to the upper sheaves 2a and 2b of the car and the upper end of the other guide rail 32. The installed hoisting machine 5 and the sheave 6 a of the counterweight 6 are sequentially wound and connected to a rope hitch 71 a fixed to the upper end of one guide rail 71 for the counterweight 6.

In FIG. 1, the upper frame 2 of the car 2
At 21, the car 2 is attached to the guide rails 3 at both ends.
In addition to the guide shoes 33 for guiding along the guide rails 1 and 32, reference numeral 72 denotes the other guide rail of the counterweight 6 and reference numeral 8 denotes a governor 81 attached to the guide rail 32 and a lower governor. A governor rope stretched between the tensioner 82 and a buffer 9 provided in a pit at the bottom of the hoistway are shown. Reference numeral 10 denotes a three-way frame provided at the entrance of the elevator hall. Although not shown, a railing frame or the like is provided at the periphery of the ceiling floor of the car 2 for the safety of workers.

As described above, in the machine room-less elevator in which the hoisting machine 5 is installed in the hoistway, a jig for adjusting the brake of the hoisting machine 5 used by the worker for maintenance and inspection, and a grease gun As shown in the figure, the tool box 1 containing tools and the like is installed on the ceiling of the car 2 so that the operator can drive the car 2 to a position close to the hoisting machine 5 when inspecting the elevator. Then, the maintenance and inspection door (not shown) provided on the ceiling of the car room 21 is opened, the user climbs up on the car 2 and the tool box 1
Can be opened, necessary tools and the like can be taken out and maintenance and inspection can be performed.

When the worker climbs onto the car 2 of the elevator, it is possible to open the hall door from the hall side instead of from inside the car room 21 as described above, and transfer.

That is, the car 2 is moved up and down in the maintenance and inspection mode, and when the ceiling surface of the car 2 reaches almost the same height as the landing floor of the landing floor, the elevator is stopped. Can open the landing door and transfer onto the car 2 from the landing.

In the first embodiment, although not shown, a cushioning member such as a rubber sheet is spread on the inner bottom of the tool box 1 so that various tools stored therein can be used to shake or vibrate the car 2. Rolling so as not to cause a collision or the like. Therefore, even if the car 2 shakes at the time of getting on and off the passengers, the tools are prevented from rolling in the tool box 1 and the sound is prevented from being transmitted to the passengers inside the car, so that the passenger can use the elevator comfortably. Can be.

Thus, in the first embodiment, the tool box 1 for maintenance and inspection is placed on the car 2 in the hoistway.
Since the tools are stored, the stored tools can be maintained in good quality without being flooded, and can be stored in good condition, so that the worker can efficiently perform maintenance and inspection work.

In the first embodiment, the tool box 1 is installed on the ceiling of the car 2; however, the tool box 1 can also be installed in the upper frame 221 having a U-shaped cross section on the ceiling.

FIG. 2 shows a tool box 1 for maintenance and inspection in a car frame 2
It is a principal part enlarged view which shows 2nd Embodiment of the machine room-less elevator by this invention provided in 2 upper frames 221.

That is, as shown in an enlarged view in FIG. 2 (a), the upper and lower ends of an upper frame 221 having a U-shaped cross section are guided by guide rails 31 and 32 shown in FIG. The guide shoes 33 for raising and lowering 2 are attached and fixed, and the tool box 1 formed of a rectangular parallelepiped box is accommodated in a substantially central portion of the U-shaped upper frame 221.

As shown in an exploded view in FIG. 2, the tool box 1 is composed of a bottomed box 1a having a cushioning member 11 such as a rubber sheet spread on the inner bottom thereof, and a plate-like lid 1b covering the same. , Lid 1
b is attached to the bottomed box 1a by the thumb screw 1c. The insertion opening 1d provided in the lid 1b is a hole for an operator to insert a finger to open the lid 1b.

As described above, also in the second embodiment, since the cushioning member 11 such as a rubber sheet is laid on the bottom in the tool box 1, the container containing jigs, oil, and the like stored therein rolls. The collision can be prevented from generating noise.

In this embodiment, the bottomed box 1a
Has been described as being inserted into the U-shaped upper frame 221, but the U-shaped upper frame 221 itself may form a box body that also serves as a bottom plate and side plates of the bottomed box body 1 a.

In the first and second embodiments, the tool box 1 is provided on the car 2 in both cases. However, the car 2 and the hoistway wall that move up and down in the hoistway are separated from each other. The tool box 1 can be fixedly provided at a spatial position where there is no interference.

That is, a third embodiment of the machine roomless elevator according to the present invention in which the tool box 1 is fixedly provided on the hoistway wall surface will be described with reference to FIG.

In FIG. 3, a support member (bracket) 13 is fixed to a wall portion 12a of the hoistway 12 by an anchor bolt or the like, and the support member 13 does not interfere with the car 2 moving up and down in the hoistway 12. The tool box 1 and the thin elevator control device 14 are arranged and fixed at the same position.

The tool box 1 and the elevator control device 14
The lower end of the floor is attached to a hoistway wall 12a opposite to a landing door 15a of a landing floor of a specific floor of one or more floors, for example, a landing floor 15 of the top floor.

Accordingly, the worker moves from the landing door 15a onto the car 2 as described above, makes the ceiling of the car 2 a foothold, and removes the tools in the tool box 1 provided adjacent to the elevator control device 14. It can be used to perform maintenance on elevators.

In this embodiment, it has been described that the worker stands on the car 2 and opens the tool box 1. However, an inspection (not shown) is provided on the opposite side of the car door 21 a of the car 2. The operator can open the door for inspection from inside the car room 21 and safely take out the tools in the tool box 1 and use it.

In the third embodiment, the tool box 1 has been described as being fixed to the support member 13 of the hoistway wall 12a opposite to the landing door 15a. It may be fixed to any of the left and right hoistway walls as viewed from 15a.

That is, guide rails 31 and 32 for the car 2 are provided on the left and right of the hoistway 12 as shown in FIG.
The tool box 1 is mounted on the guide rail, but is fixed via a support member fixed to the guide rail or an anchor bolt or the like as shown in FIG. Via the support member, it can be mounted and fixed at a spatial position that does not interfere with the vertical movement of the car 2.

As described above, also in the third embodiment, in the machine room-less elevator aiming at space saving,
Since the tool box 1 is fixed to the hoistway wall 12a on the first floor or higher of the hoistway 12, there is no danger of flooding, and the operator can easily and safely handle the car from the side of the car. Work can be done.

[0044]

In the machine room-less elevator according to the first or second aspect, since the tool box for maintenance and inspection is installed in the ceiling of the car or in the upper frame of the car having a U-shaped cross section, the worker can use the elevator on the car. To perform maintenance and inspection efficiently.

The machine room-less elevator according to claim 3 is
In the machine room-less elevator according to claim 1 or 2, since the cushioning material is stored in the inner bottom of the tool box for maintenance and inspection, the jigs and tools in the tool box roll even if the car shakes or vibrates. There is no risk of collision or collision, and passengers can use the elevator comfortably without receiving noise.

The machine room-less elevator according to claim 4 is:
Since the tool box for maintenance and inspection was fixed to the inner wall of the hoistway, the worker climbed up, for example, onto a car, opened the lid of the tool box installed on the wall of the hoistway, took out the jigs and tools, and performed maintenance and inspection work. Can be implemented.

According to a fifth aspect of the present invention, in the machine room-less elevator according to the fourth aspect, since the position of the inner wall of the hoistway to which the tool box for maintenance and inspection is fixed is at least one floor, at least the tools may be flooded. And can be stored and used well.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram showing a first embodiment of a machine room-less elevator provided with a tool box for maintenance and inspection according to the present invention.

FIG. 2A is a perspective view of a main part of a second embodiment of a machine room-less elevator provided with a tool box for maintenance and inspection according to the present invention. FIG. 2B is an exploded perspective view of the tool box for maintenance and inspection shown in FIG.

FIG. 3 is a schematic configuration diagram showing a third embodiment of a machine room-less elevator provided with a tool box for maintenance and inspection according to the present invention.

[Explanation of symbols]

 Reference Signs List 1 tool box 2 car 21 car room 21a car door 22 car frame 221 upper frame 31, 32 (for car) guide rail 33 guide shoe 4 main rope 5 hoisting machine 6 counterweight 71, 72 (for counterweight) guide Rail 11 buffer member 12 hoistway 12a hoistway wall 13 support member 14 elevator control device 15 landing 15a landing door

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Kazuyuki Takao, Toshiba Elevator Co., Ltd., 6-5-27 Kita-Shinagawa, Shinagawa-ku, Tokyo F-term in the factory (reference) 3F304 BA01 BA06 3F305 BA02 BA11 3F306 AA02 BC10 CA37 CB02 CB06 CB60

Claims (5)

[Claims] 1. An elevator without a machine room, comprising a tool box for maintenance and inspection, wherein the tool box for maintenance and inspection is installed on a ceiling of a car. 2. A machine room-less elevator provided with a tool box for maintenance and inspection, wherein the tool box for maintenance and inspection is installed in an upper frame of a car having a U-shaped cross section. . 3. The machine room-less elevator according to claim 1, wherein the maintenance / inspection tool box has a buffer member housed in an inner bottom portion. 4. A machine room-less elevator provided with a tool box for maintenance and inspection, wherein the tool box for maintenance and inspection is fixedly installed on an inner wall of a hoistway. 5. The machine room-less system according to claim 4, wherein the position of the inner wall of the hoistway where the tool box for maintenance and inspection is installed is higher than a floor where the elevator is stopped on the first floor of the building. elevator.