JP2000255961A - Passenger conveyer, and method for taking out footstep therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and efficiently take out a footstep from a footstep train in a condition that an inner panel is arranged as it is, without requiring inconvenient and troublesome work for removing one by one the inner panel arranged in a side part of the footstep train when the footstep is taken out from the footstep train. SOLUTION: This conveyer is provided with a footstep train 1, a handrail panel 6, a skirt guard 7 and an inside deck 8 provided between an upper part of the skirt guard 7 and a lower part of the panel 6. A step difference dimension t1 between the footstepmost-side plane part 30 of the inside deck 8 and a face opposed to a footstep 2 of the skirt guard 7 is made to get smaller than a clearance dimension A of an opposed space between the skirt guard 7 and a side face of the footstep 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a man conveyor for transporting passengers such as an escalator and a moving sidewalk, and a method of taking out steps thereof.

[0002]

2. Description of the Related Art In an escalator as a man conveyor, for example, a truss is installed between a lower floor and an upper floor of a building, and an endless row of steps for transporting passengers is incorporated in the truss. A balustrade is provided so as to be arranged along both sides of the step row.

FIG. 7 shows the entire appearance of a conventional escalator, FIG. 8 shows the internal structure of a part of the escalator, and FIG. 9 shows the cross-sectional structure of the balustrade of the escalator. An endless row of a plurality of steps 2 connected endlessly, the steps 1 endlessly travel between a lower floor entrance 3 and an upper floor entrance 4 of the building, and the endless travel allows passengers to travel. The building is transported from the lower floor to the upper floor or from the upper floor to the lower floor.

A balustrade device 5 is provided on both sides of the step row 1. As shown in FIG. 9, the balustrade apparatus 5 includes a balustrade panel 6 standing upright on the upper side of the step row 1, and a step row 1 as shown in FIG. The skirt guard 7 is provided adjacent to the side of the skirt guard 7, and the inner deck 8 is provided so as to extend between the upper part of the skirt guard 7 and the lower part of the balustrade panel 6.

The balustrade panel 6 is supported via a panel support member 11 mounted on a truss 10, and the skirt guard 7 and the inner deck 8 are mounted on a frame 12 provided on the truss 10 via screws 13 and 14, respectively. ing.

The skirt guard 7 is opposed to the side surface of the step 2 in close proximity, and the inner deck 8 has a projection 15 projecting into the space above the step 2 as shown in FIGS. Are formed integrally so as to be continuous along the arrangement direction. Such a protrusion 15 is, for example, a Japanese Patent Publication No. 63-3
As seen in Japanese Patent Publication No. 825, it is very generally provided on an escalator from the viewpoint of design.

The gap A between the outer surface of the skirt guard 7 and the side surface of the step 2 is very small.
The protrusion length B of the protrusion 15 of the inner deck 8 with respect to the distance A is larger than the gap A (A <B).

[0010] As shown in FIGS. 7 and 8, the inner deck 8 is divided into a plurality of pieces along the direction in which the steps 2 are arranged, and is attached to the upper part of the skirt guard 7. Each step 2 of the step row 1 is connected via a chain 18, and each step 2 is provided with wheels 19, and these wheels 19 are arranged on a guide rail 20.
Each step 2 runs along.

[0009]

In the maintenance and inspection of the step 2, the step 2 for inspection is changed to a chain 18
From the inner deck 8 at this time.
5, the step 2 is caught on the protrusion 15 and cannot be taken out. Therefore, in the related art, as shown in FIG. The tedious and cumbersome task of having to remove it is necessary.

The steps 2 taken out of the steps 1 are transported to, for example, a lower floor entrance 3 and placed on a carriage (not shown) as a carrier disposed at the entrance 3 and the carriage 2 is placed thereon. Are transported to a predetermined inspection work site. Therefore, it is advantageous to take out the inspection steps 2 from the step row 1 near the entrance 3.

However, as shown in FIG. 11, in the section near the entrance 3, a rail 21 for preventing the lift of the step 2 is provided above the wheel 19 of the step 2 in order to suppress the vertical vibration of the step 2. For this reason, it is difficult to take out the steps 2 at a portion near the entrance 3 due to the rail 21 becoming an obstacle. Therefore, at an actual site, the rails 21 for preventing the lift 21 are cut off from the entrance 2 The step 2 is taken out at a remote inclined portion.

[0012] Here, one step 2 for inspection taken out of the step sequence 1 is put on another step 2 arranged next to it, and in this state, the escalator is driven and the step sequence 1 is run. If the step 2 for inspection is transported to the entrance 3, the step 2 for inspection can be efficiently carried on the carriage of the entrance 3 and transported to the inspection work site.

However, the projection 15 of the inner deck 8 protrudes into the space above the step 2, so that the step 15 obstructs the step 2 taken out of the step 2.
And cannot be transported to the entrance 3.

For this reason, conventionally, as shown in FIG. 11, a gantry 23 is assembled above the escalator, and a lifting device 24 is attached to the gantry 23. Is lifted upward, taken out, and the lifted steps 2 are transported to the entrance 3 to be loaded on the truck at the entrance 3.

However, when assembling the gantry 23 and taking out the steps 2 using the lifting device 24 and transporting the steps 2 to the entrance 3 as described above, the operation becomes large, the efficiency is reduced, and the cost is increased. I will.

In recent years, escalators have been provided that can be mounted in a wheelchair. In such escalators, one or more steps in a row of steps are special steps that can move up and down steps. . The special step and the step board of the normal step adjacent to the special step ensure a wide stepping board area in which a wheelchair can enter.

Such a special step incorporates various members such as a motor and a link mechanism, and its overall weight is considerably heavier than a normal step, and therefore, the special step having such a heavy weight. This is particularly troublesome and troublesome when taking out the vehicle from the steps and transporting it to the entrance when performing maintenance inspections.

The present invention has been made in view of such a point, and an object of the present invention is to take care of removing an inner panel disposed on a side portion of a step from a step sequence. Without the hassle of
An object of the present invention is to provide a man conveyor that can easily and efficiently take out steps from a row of steps while the inner panel is arranged as it is, and a method of taking out the steps.

[0019]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a step train for traveling endlessly between entrances and exits and carrying a passenger along a side of the step sequence. A balustrade panel standing upright, a skirt guard arranged along the side of the steps and facing the side of the steps of the steps with a certain gap, and an upper part of the skirt guard and a lower part of the balustrade panel In a man conveyor provided with an inner deck provided therebetween, a step size between a surface of the inner deck closest to the step and a surface facing the step of the skirt guard is defined by a difference between a side of the skirt guard and a side surface of the step. It is characterized in that it is smaller than the gap size between the opposing surfaces.

The invention according to claim 2 is characterized in that the step between the inner deck and the skirt guard is the same as the thickness of the inner deck.

According to the third aspect of the present invention, a frustoconical recess having a recessed inside and a through hole in the center is formed on the surface of the inner deck closest to the step, and the trough is formed from the outside of the recess. A screw for fixing the inner deck is inserted into the hole, and the entire head of the screw is housed in the recess.

According to the fourth aspect of the present invention, a concave portion which is continuous along the longitudinal direction of the inner deck and is depressed inside the inner deck is formed on the surface of the inner deck closest to the step, and a through hole is formed at the bottom of the concave portion. Is formed, a screw for fixing the inner deck is inserted into the through hole from the outside of the recess, and the entire head of the screw is housed in the recess.

According to the fifth aspect of the present invention, at the time of maintenance and inspection of the steps of the step row of the man conveyor according to the first aspect, the inspection steps are lifted through a space inside the inner deck by using a lifting device. And lifted from the row of steps, transported the steps taken out to the entrance with the lifting device suspended, loaded on the carrier arranged at the entrance, and transported to the inspection work site. I have.

According to the sixth aspect of the present invention, in the maintenance and inspection of the steps of the step row in the man conveyor according to the first aspect,
The step for inspection is taken out of the step sequence through the space inside the inner deck by human power, and this step is put on another step of the step sequence, and in this state, the man conveyor is driven to get on and off the step for inspection. It is characterized in that it is transported to the mouth, and the transported steps are loaded on a transport tool arranged at the entrance and exit and transported to the inspection work site.

[0025]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. Note that the same reference numerals are given to portions corresponding to the conventional configuration, and description thereof will be omitted.

FIGS. 1 to 4 show a first embodiment. FIG. 1 is a cross-sectional view of a main part of an escalator as a man conveyor. As shown in FIG. 1, in the present invention, the side surface of the inner deck 8 on the side where the step is arranged, that is, the surface of the inner deck 8 closest to the step is almost the same. It is a flat plane portion 30 that stands upright. An inclined portion 31 is integrally formed to extend from an upper portion of the flat portion 30 to a lower portion of the balustrade panel 6.

As shown in FIG. 2, the flat portion 30 of the inner deck 8 has a plurality of truncated conical recesses 32 formed by burring at regular intervals along its longitudinal direction. These recesses 32 are recessed toward the inside of the plane portion 30, and a through hole 33 is formed at the bottom of the recess.

Screws 14 are screwed into the frame 12 from the outside of the plane portion 30 through the through holes 33 of the recesses 32, and the inner deck 8 is fixed to the frame 12 by tightening the screws 14. The entire part 14a is housed in the recess 32, respectively.

The step size t between the surface of the skirt guard 7 facing the side surface of the step 2 and the surface of the inner deck 8 closest to the step, that is, the flat portion 30, is the same as that of the skirt guard 7 and the side surface of the step 2. Are smaller than the gap size A between the opposing surfaces. The step size t between the surface of the skirt guard 7 facing the side surface of the step 2 and the flat portion 30 of the inner deck 8 is the same as the thickness of the plate material of the inner deck 8.

FIG. 1 shows only the structure on one side of the step sequence 1, but the other side of the step sequence 1 has the same structure. .

In such a configuration, the projection above the step 2 does not protrude into the space above the step 2, and the width of the space above the step 2 is wider than the lateral width of the step 2. Therefore, when taking out the step 2 from the row of steps 1 for maintenance and inspection of the step 2, the step 2 for inspection is removed from the chain 18 and the step 2 is pulled up without removing the inner deck 8. be able to.

When taking out the steps 2, as shown in FIG. 3, a gantry 23 is assembled above the escalator, and a lifting device 24 is attached to the gantry 23.
4, a method of lifting and taking out the steps 2 can be adopted. Then, the steps 2 lifted and taken out by the lifting device 24 are conveyed to, for example, the entrance 3 on the lower floor using the lifting device 24, and the steps 2 are transferred to a carriage (not shown) arranged at the entrance 3. It is loaded, transported to a predetermined inspection work site, and subjected to a predetermined inspection process.

As another method for taking out the steps 2,
As shown in FIG. 4, the step 2 is taken out of the step sequence 1 by a human operator without using a gantry or a lifting device, and the taken step 2 is taken out of another step 2 arranged next to the step 2. It is possible to adopt a method in which the escalator is driven, the escalator is driven in this state, and the step 2 taken out by traveling the step row 1 is transported to the entrance 3. Then, the steps 2 transported to the entrance 3 are loaded on a truck arranged at the entrance 3 and transported to a predetermined inspection work site for inspection.

In particular, in this case, a stand and a lifting device are not required, which is advantageous in terms of cost, and it is only necessary to put the inspection step 2 on another step 2 arranged adjacent thereto. Therefore, even with manual power, the work can be easily and efficiently performed, and even if the step 2 is a special heavy step for a wheelchair, it can be easily taken out manually and transported to the entrance 3. it can.

The screw 14 for fixing the inner deck 8 to the frame 12 has its head portion 14a entirely disposed in the recess 32 and is not exposed at all on the surface side of the flat portion 30. The step 2 does not hit or catch on the head 14a of the screw 14 at the time of removing the screw 2, and the entire head 14a of the screw 14 is
3, the head 14 a of the screw 14 is hidden by the recess 23 when the passenger who gets on the step 2 looks at the flat part 30 of the inner deck 8, and does not enter the passenger's view. Therefore, good appearance can be maintained.

In the first embodiment, a recessed portion 23 is formed in the flat portion 30 of the inner deck 8 in a truncated cone shape, and the head 14 of the screw 14 is formed in such a recessed portion 23.
However, the present invention is not limited to such a configuration, and as shown in FIGS. 5 and 6 as a second embodiment, a fixed portion which is continuous with the flat portion 30 of the inner deck 8 along its longitudinal direction. A recess 36 having a width is formed by pressing, a plurality of through holes 37 are formed at regular intervals in the bottom of the recess 36, and the screw 14 is screwed into the frame 12 from outside the flat portion 30 through the through holes 37. The inner deck 8 may be fixed to the frame 12 by inserting and tightening the screws 14, and the entire head 14 a of each screw 14 may be accommodated in the concave portion 36. The whole of the head 14a is arranged in the recess 36 so that the inner deck 8
Are not exposed on the surface side of the flat portion 30 of the screw 14, so that when removing the step 2 for inspection, the step 2
a, and the entire head 14a of the screw 14 is housed in the concave portion 36, so that the passenger who has stepped on the step 2 When viewed, the head 14 of the screw 14
a is hidden and does not enter the passenger's field of view, thus maintaining a good appearance.

Further, the present invention is not limited to the case of the escalator, but can be applied to a man conveyor such as a moving sidewalk.

[0038]

As explained above, according to the present invention,
When removing the steps from the row of steps, the steps can be easily and efficiently performed with the inside panels in place without the need for troublesome and troublesome work of removing the inside panels placed on the sides. It can be taken out of the steps.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a perspective view of an inner panel according to the embodiment.

FIG. 3 is an explanatory diagram showing an example of a method of taking out a step in the embodiment.

FIG. 4 is an explanatory view showing another example of a method of taking out a step in the embodiment.

FIG. 5 is a perspective view showing a second embodiment of the present invention.

FIG. 6 is a perspective view of an inner panel according to the embodiment.

FIG. 7 is a perspective view showing the overall appearance of a conventional escalator.

FIG. 8 is a sectional view showing the internal structure of a part of the escalator.

FIG. 9 is a sectional view showing the structure of a balustrade portion of the escalator.

FIG. 10 is a perspective view of an inner panel of the escalator.

FIG. 11 is an explanatory view showing a method of taking out steps of the escalator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Step row 2 ... Step 3, 4 ... Entry / exit 5 ... Parapet device 6 ... Parapet panel 7 ... Skirt guard 8 ... Inner deck 14 ... Screw 14a ... Head 23 ... Stand 24 ... Lifting device 30 ... Flat part 32 ... Depressed part 33 ... through hole 36 ... concave part 37 ... through hole

Claims (6)

[Claims] 1. A step row for carrying passengers by traveling endlessly between entrances and exits, a balustrade panel erected along the side of the step row, and a step of the step row along the side of the step row. A skirt guard disposed opposite to a side surface of the skirt guard with a predetermined gap, and an inner deck provided between an upper part of the skirt guard and a lower part of the balustrade panel, wherein the inner deck is closest to the step. A step size between the surface of the skirt guard and the surface of the skirt guard facing the step is smaller than a gap between the surface of the skirt guard and the side surface of the step. 2. The man conveyor according to claim 1, wherein the step between the inner deck and the skirt guard is the same as the thickness of the inner deck. 3. The inner deck has a truncated conical recess formed on the surface closest to the step and having a through hole in the center and a through hole in the center. The man conveyor according to claim 1 or 2, wherein a fixing screw is inserted, and the entire head of the screw is accommodated in the recess. 4. A recessed portion which is continuous along the longitudinal direction of the inner deck and which is recessed inside the inner deck is formed on the surface of the inner deck closest to the step, and a through hole is formed at the bottom of the recess. The man conveyor according to claim 1 or 2, wherein a screw for fixing the inner deck is inserted into the through hole from outside the screw hole, and the entire head of the screw is accommodated in the concave portion. 5. A step for maintenance and inspection of a step of the step train in the man conveyor according to claim 1, wherein the step for inspection is lifted upward through a space inside the inner deck by using a lifting device and taken out from the step. Transporting the taken-out steps to the entrance while being lifted by a lifting device, loading the steps on a carrier disposed at the entrance / exit, and transporting the steps to an inspection work site. . 6. A step for maintenance and inspection of a step of the step sequence in the man conveyor according to claim 1, wherein the step for inspection is manually taken out of the step sequence through a space inside the inner deck and the step is removed from the step sequence. Place it on another step, drive the man conveyor in this state, transport the step for inspection to the entrance, and load this transported step on the carrier arranged at the entrance and transport it to the inspection work site A step for taking out a step of a man conveyor.