JPH0578076A - Replacement method for passenger conveyor - Google Patents

Abstract

PURPOSE:To provide a replacing method for a passenger conveyor having less cutting of an existing frame and good working by applying the existing frame of a passenger conveyor. CONSTITUTION:Second frames 2, 3 for an upper and a lower machine room part for mounting new units are incorporated into and fixed to the upper and the lower machine room part 1A, 1B of an existing passenger conveyor frame 1. An intermediate part 1C is formed by fixing new units such as handrails, guide rails directly or through supports to the existing passenger conveyor frame 1. This can more reduce the cutting of the existing passenger conveyor frame and can eliminate on-site welding work, and can reduce unit-bringing-in space, allowing the repair of the passenger conveyor featuring high reliability in terms of strength, fire protection, working, etc., and good working.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for updating a passenger conveyor, and more particularly to a method for updating an aged passenger conveyor which improves the work efficiency of assembling new parts to an existing passenger conveyor frame.

[0002]

2. Description of the Related Art A conventional technique is disclosed in Japanese Unexamined Patent Publication No. 58-15277.
As described in JP-A-9 and JP-A-58-152782, an existing passenger conveyor frame and an entire conveyor that can be housed in the existing passenger conveyor frame and is one size smaller than the existing passenger conveyor frame are integrally configured. The new passenger conveyor frame is made by cutting the internal transverse girders etc. into the hollow box-shaped existing passenger conveyor frame, and connecting it to the prime mover, gears, steps and step guide rails. And, new equipment such as a balustrade is installed in the new passenger conveyor frame housed in the existing passenger conveyor frame, and the existing passenger conveyor is repaired.

[0003]

SUMMARY OF THE INVENTION The above-mentioned prior art is in the existing passenger conveyor frame body in a situation where it is required to avoid work involving fire such as welding and work such as breaking a part of a building for repair. No consideration was given to the workability of storing the new passenger conveyor frame. That is, the above-mentioned JP-A-58-
In the "man conveyor installation method" described in JP-A-152779 and JP-A-58-152782 as well, since a new set of passenger conveyor frames is stored in the existing passenger conveyor frame, the transverse girders are spread over the entire existing passenger conveyor. etc,
Since all the members that interfere during storage must be cut and processed, and welding work is performed in the existing building, there is a risk of damage to the existing building due to fire and eventually fire. In addition, a large carry-in space is required due to a large carry-in load, and there is a problem that a part of the building must be broken.

The present invention provides a method of updating an existing passenger conveyor, which makes it possible to omit the welding work on site, reduces the processing and loading space of the existing passenger conveyor frame, and improves the workability of the existing passenger conveyor. To provide.

[0005]

In order to achieve the above object, the present invention provides the latest equipment such as a prime mover, a gear, a step, a step guide rail, a floor for entrance and exit, a balustrade, etc., which constitutes an aged passenger conveyor. In the method of updating the passenger conveyor to replace the above-mentioned passenger conveyor, a second frame body smaller than the existing frame body in the upper or lower machine room part of the aged passenger conveyor is manufactured in advance, and the second frame body is incorporated into the existing frame body. It is characterized by that. Further, the second frame body can be arbitrarily divided in advance and carried in. Then, a new prime mover and gears, equipment such as a floor of an upper and lower entrance, and the like may be assembled in advance to the second frame body, or after being integrally formed as a second frame body in the existing frame body, or While being integrally formed, these devices may be assembled to the second frame. Furthermore, the parts other than the upper or lower machine room parts are
New equipment can be assembled to the existing frame of the aged passenger conveyor.

[0006]

According to the above construction, the heavy machine room portion of the frame of the passenger conveyor, which is required to be the most rigid, simplifies the work such as processing and cutting at the site, so that it can be installed on the existing frame.
The frame body can be assembled mainly by using bolts, and welding work can be omitted. The parts other than the upper and lower machine rooms, that is, the sloping middle part where a large number of cross girders are installed, use the frame of the existing passenger conveyor and can be easily installed by installing new guide rails, balustrades, etc. on the existing frame. Can be updated.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall view of a passenger conveyor frame showing an embodiment of the present invention.

As shown in FIG. 1, an existing passenger conveyor frame 1 is generally composed of an upper machine room 1A, a lower machine room 1B, and an intermediate portion (inclined portion) 1C, particularly the intermediate portion 1
C has a large number of transverse girders 4 as strength members for terminal gears (not shown) attached to the upper and lower machine rooms 1A and 1B.
Is provided.

At the upper and lower machine chambers 1A and 1B, a high-rigidity support member is required to mount and support heavy objects such as a new drive unit and a terminal gear. Since there is no cross beam 4 as described above, the second frame body 2 constituting the upper and lower machine room portions smaller than the upper and lower machine rooms 1A and 1B of the existing passenger conveyor, respectively.
And 3 are assembled, and the existing passenger conveyor frame 1 is attached and fixed with bolts or the like. The intermediate portion 1C fixes devices such as a new balustrade and step guide rails (not shown) directly to the existing passenger conveyor frame 1 or via a support (not shown). Thereby, the cutting process of the existing passenger conveyor frame 1 can be reduced, and the passenger conveyor having high reliability and good workability can be updated.

Next, another embodiment will be described with reference to FIGS. 2 and 3. 2 is an exploded perspective view of the upper machine room 1A of the existing passenger conveyor frame 1, and FIG. 3 is an exploded perspective view of the lower machine room 1B.

The members constituting the second frame bodies 2 and 3 for supporting heavy objects such as a new drive unit (not shown) and terminal gears are connected to the left and right side members 5 and 9 and the lateral girders for connecting the left and right side members 5 and 9. 7, 8, 10, 11, 12 and the drive device mounting base 6 are divided, and the second frame bodies 2 and 3 are formed in the existing passenger conveyor frame body 1 while being fixed to the existing passenger conveyor frame body 1. The number of parts brought into the field can be reduced, and the passenger conveyor with better workability can be refurbished.

As described above, according to the present embodiment, a heavy-duty driving machine which requires the most rigidity in the frame of the passenger conveyor,
A second frame for supporting the new drive unit, gears, and other devices is installed only in the machine room that supports devices such as gears and floorboards, and is stored in the machine room of the existing passenger conveyor frame, and both ends of the passenger conveyor are accommodated. The parts other than the machine room, that is, the central part where a large number of cross girders are provided, uses the frame of the existing passenger conveyor, and new guide rails and balustrades are attached to the existing frame.

Therefore, only the machine room portion which is smaller than the existing passenger conveyor frame body and which is optimum for mounting the machine room device of the new passenger conveyor in the machine room portion of the existing passenger conveyor frame having a small number of transverse beams. Incorporate a new second frame or a new second frame of the machine room part where the machine room device is assembled, fix it with the existing passenger conveyor frame and bolts, etc., and use the existing passenger conveyor frame for the upper part, There are many cross girders that connect the left and right sides of the frame, such as the terminal gear installed in the lower machine room, and the cross girders of the existing passenger conveyor must be cut and processed in order to install a new frame for assembling a new device. For the part that must be done, that is, the middle part of the existing passenger conveyor frame, the existing cross girder is used, and by installing a new device on the existing passenger conveyor frame, high reliability and It is possible to carry out the renovation of sexual good passenger conveyor.

In these embodiments, the second frame body may be manufactured in advance, or it may be divided into several parts and assembled into the existing frame body on site. And, it is possible to assemble the newly installed prime mover and gears, the components of the machine room such as the floor of the upper and lower entrances to the frame body in advance, or at the site after or simultaneously with the second frame body. These components can also be assembled.

[0015]

According to the present invention, when the existing passenger conveyor is renewed, the cutting work of the existing passenger conveyor frame is small, and the welding work on site can be omitted. Also,
It is possible to reduce the processing and loading space of the existing passenger conveyor frame. Therefore, it is possible to repair the passenger conveyor which is highly reliable in terms of strength, disaster prevention, work, etc. and which has better workability.

[Brief description of drawings]

FIG. 1 is an overall view of a passenger conveyor frame for explaining an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing details of an upper machine chamber portion for explaining another embodiment of the present invention.

FIG. 3 is an exploded perspective view showing details of a lower machine chamber portion for explaining another embodiment of the present invention.

[Explanation of symbols]

 1 Existing Passenger Conveyor Frame 1A Upper Machine Room 1B Lower Machine Room 1C Middle Part (Slope) 2 Upper Machine Room 2nd Frame 3 Lower Machine Room 2nd Frame 4 Cross Girder 5 Side Member 6 Drive Unit Mounting Base 7, 8 Cross beam 9 Side member 10, 11, 12 Cross beam

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Seiji Watabiki 1070 Ige, Katsuta City, Ibaraki Prefecture Hitachi Ltd. Mito Plant

Claims (6)

[Claims] 1. A method of updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor of an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A method for updating a passenger conveyor, characterized in that a second frame body smaller than an existing frame body in the upper or lower machine room is manufactured in advance, and the second frame body is incorporated into the existing frame body. 2. A method of updating a passenger conveyer, wherein the second frame body is arbitrarily divided in advance and carried in. 3. A method for updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor of an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A second frame body, which is smaller than the existing frame body in the upper or lower machine room and has a new prime mover and gears, floors for the upper and lower entrances, etc., is manufactured in advance.
The method of updating a passenger conveyor, wherein the frame body is incorporated into the existing frame body, and parts other than the upper or lower machine room portions are assembled with new equipment on the existing frame body of the aged passenger conveyor. 4. A method of updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor at an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A second frame that is smaller than the existing frame in the upper or lower machine room and has a newly installed prime mover and gears, floors for the upper and lower entrances, etc. The passenger is characterized by integrally forming a second frame into the existing frame, and assembling a new device to the existing frame of the aged passenger conveyor except for the upper or lower machine room part. How to update the conveyor. 5. A method of updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor at an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A second frame body smaller than the existing frame body in the upper or lower machine room is manufactured in advance, and after the second frame body is incorporated into the existing frame body or after being incorporated, the second frame body is also incorporated. Assemble the newly installed prime mover and gears, the equipment of the machine room such as the floor of the upper and lower entrances, and install the new equipment on the existing frame of the aged passenger conveyor except for the upper and lower machine room parts. A method for updating a passenger conveyor, characterized by being assembled. 6. A method of updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor of an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A second frame body smaller than the existing frame body of the upper or lower machine room part is arbitrarily divided in advance to be manufactured, and the divided frame body is integrally formed as the second frame body in the existing frame body. After the chemical formation or the integral formation, a new prime mover and gear are attached to the second frame,
Passengers characterized by assembling components of the machine room such as floors of upper and lower entrances, and assembling new equipment to the existing frame of the aged passenger conveyor, except for the upper or lower machine room. How to update the conveyor.