JP4861626B2 - Renewal method of passenger conveyor - Google Patents

Description

  The present invention relates to a method for renewing a passenger conveyor and a unit member used therefor, more specifically, a frame portion constituting a truss of an existing passenger conveyor is utilized without being removed, and a handrail drive unit, a drive device, Further, the present invention relates to a renewal installation work method in which a boarding / alighting plate attached to the upper portion of the frame, a balustrade base portion is replaced and attached to a passenger conveyor, and members used therefor.

  The configuration of an escalator as a passenger conveyor to which an embodiment of a conventional renewal method is applied will be described with reference to FIG.

  FIG. 7 is an explanatory diagram of an example of a passenger conveyor that is renewed. In FIG. 7, the existing passenger conveyor includes a truss 51 that supports the weight and load capacity of the passenger conveyor, and driving wheels 52 are provided at the upper floor end in the truss 51, while the lower floor end. A driven wheel 53 is provided, and a plurality of steps 54 are provided in connection with an endless chain (not shown) wound around the driving wheel 52 and the driven wheel 53. These steps 54 are guided by a guide rail 55 provided between the drive wheel 52 and the driven wheel 53 so as to circulate between the upper floor end and the lower floor end. It has become.

  A drive device 56 for driving the drive wheels 52 is provided in the machine room at the end on the upper floor side where the drive wheels 52 are provided. The drive device 56 includes a speed reducer and an electric motor, and the driving force from the drive device 56 is transmitted to the drive wheels 52 through the drive chain.

  A balustrade 57 is erected on the upper side of the truss 51, and a handrail 58 is provided along the outer periphery of the balustrade. This handrail 58 circulates and moves in the same direction as the step 54 at the same speed in synchronism with the step 54, and a handrail drive device for driving the handrail 58 is provided in the truss 51. An inner deck 59 and an outer deck 60 are connected to the lower end of the balustrade 57.

  The service life of the passenger conveyor is determined, and the passenger conveyor that has reached the service life is renewed. Even when the service life has not been reached, renewal may be performed in order to improve the function or to improve the appearance. There are several methods for this renewal. Conventionally, as an embodiment of a renewal method for passenger conveyors, the following steps have been performed.

  First, parts to be renewed and unnecessary parts attached to an existing passenger conveyor are removed, and then a passenger conveyor frame processing operation for attaching a new article is performed. Next, each article carried into the site was attached to the passenger conveyor frame part by article while adjusting the dimensions in the same manner as the work performed at the factory when it was newly established.

  However, at the time of renewal of the passenger conveyor, the same work as at the time of new installation was performed, i.e., if it was attached to the passenger conveyor while adjusting the dimensions of each article at the existing location as in the factory, the work time In the renewal work with a limited work period and a short construction period, the work process was extremely unreasonable.

  In addition, in the field work, the work environment such as the work space is lowered as compared with the work in the factory, and the equipment used for the work is also greatly deteriorated. For this reason, it cannot be denied that there is a possibility that the work efficiency and work accuracy may be reduced as compared with the case where it is assembled at the factory.

Therefore, the present invention has been made in view of such problems, and in the field assembly work in the renewal work, it is possible to attach the new attachment parts to the passenger conveyor frame as easily and as quickly as possible. It aims at providing the renewal method of a passenger conveyor.

The passenger conveyor renewal method of the present invention is a method for replacing a handrail drive unit that is provided in a truss of a passenger conveyor and generates a driving force for moving a handrail, the step of removing an existing handrail drive unit, Attaching a new handrail drive unit divided into two, a first handrail drive unit and a second handrail drive unit, into the truss for each divided unit, and the first handrail The drive unit includes a handrail drive unit having a roller for transmitting a driving force to the handrail belt, a tension applying unit for adjusting the tension of a chain for transmitting power to the handrail drive unit, and the handrail drive unit for driving the power. The second handrail drive unit transmits power to the handrail drive unit. A first idler portion having a chain tension adjusting function for adjusting the second idler portion for changing a chain trajectory, and the first handrail drive unit and the second handrail drive unit. Is fixed by a fastening means holding part provided so as to be connected to the outer wall part of each unit .

  Further, the passenger conveyor renewal method of the present invention is a passenger conveyor renewal method for replacing an existing drive device with a new drive device, the step of removing the existing drive device, and the existing drive device removed. It has a process of fixing a machine base unit for fixing a new drive device to a position to a truss, and a process of fixing a new drive device to the machine base unit.

  According to the passenger conveyor renewal method of the present invention, in the renewal work of various equipment and balustrade parts that remain in the frame portion of the existing passenger conveyor, the centering work can be easily performed in a short time. Each equipment can be attached to the passenger conveyor frame.

Hereinafter, an embodiment of a passenger conveyor renewal method according to the present invention will be described with reference to the drawings.
(Mode of the first invention)
1st Embodiment is related with the method of replacing | exchanging the handrail drive unit which emits the drive force for moving a handrail.

  FIG. 1 is a view showing the vicinity of a handrail drive unit provided on the upper floor of a passenger conveyor, and represents the first embodiment of the present invention.

  As shown in FIG. 1, a handrail driving unit 2 that generates a driving force for moving a handrail is provided in a passenger conveyor frame 1 </ b> A constituting the truss. The handrail drive unit 2 is configured to squeeze a handrail (not shown) with a plurality of drive rollers 2a and a driven roller 2b, and drive the handrail by the frictional force of each roller. Although not shown, the driving roller 2a is transmitted with a driving force through a chain wound around a handrail driving wheel provided coaxially with the driving wheel of the step.

  The handrail drive unit 2 shown in FIG. 1 has two units, a handrail drive unit unit 3 as a first handrail drive unit and an idler unit unit 4 as a second handrail drive unit.

  The handrail drive unit unit 4 as the first handrail drive unit includes a handrail drive unit body (handrail drive unit) 5 having the drive roller 2a and a driven roller 2b, and a drive roller 2a of the handrail drive unit body 5. A handrail chain adjustment idler (tension applying portion) 6 for adjusting the tension of the handrail chain for transmitting driving power, and a relay idler (idler portion) 7 for transmitting the drive to the handrail drive main body, Is integrated into one unit.

  Further, the idler unit 4 as the second handrail drive unit includes a handrail drive chain adjustment idler for adjusting the chain tension for transmitting power from the handrail drive wheels (first ) 8 and a track guide idler portion (second idler portion) 9 for guiding while changing the movement trajectory of the chain, and is integrated as one unit.

  The idlers attached to the handrail drive unit unit 3 (handrail chain adjustment idler 6, relay idler 7) are attached to the handrail drive unit unit 3 with their respective mounting dimensions adjusted in advance at the factory. It is installed and transported to the installation site of the passenger conveyor that is renewed in that state. Similarly, idlers (handrail chain adjustment idler 6 and track guide idler 9) attached to the idler unit 4 are attached to the idler unit 4 in a state in which the respective installation dimensions are adjusted in advance at the factory. It is installed and transported to the installation site of the passenger conveyor that is renewed in that state.

  When the handrail drive unit 2 is replaced when the passenger conveyor is renewed, first, the existing handrail drive unit is removed. Next, if necessary, an attachment hole is formed in the passenger conveyor frame 1A to which the existing handrail drive unit is attached.

  Next, the individual unit parts carried into the field, that is, the handrail drive unit part 3 and the idler unit part 4 are mounted in the truss for each unit.

  An adapter part 10 as a fastening means holding part for connecting and fixing these units is provided on the passenger conveyor frame 1A constituting the truss, and by this adapter part 10, the handrail drive part unit part 3 and the idler unit part 4 are provided. Are connected and fixed to each other. Further, the handrail drive unit unit 3 and the idler unit unit 4 are formed on the passenger conveyor frame 1A using bolts 11a with respect to the passenger conveyor frame 1A by using holes or existing holes processed in the passenger conveyor frame 1A. Installation fixed.

  When mounting and fixing with the bolts 11a, first, the adapter 10 for connecting the units is temporarily fixed to the vertical beam portion 1Aa of the passenger conveyor frame 1A, and then the handrail drive unit unit 3 and the idler. The unit part 4 is temporarily fixed to the passenger conveyor frame 1A and the adapter part 10 with bolts 1a.

  Next, the dimensions of each unit part are adjusted. The dimension adjustment points are determined by a plurality of dimension measurement reference positions 12 set in advance in each unit part, and the minimum required dimension adjustment points are required. ing.

  The dimensional adjustment is performed by the dimensional adjustment screws 13 provided at several places in each unit portion. When the dimensional adjustment work is completed, each unit portion is fixed by the mounting bolt 11a.

  According to the present embodiment having such a configuration, the handrail drive unit body 5 and each idler 6 to 9 have been individually attached and attached to the passenger conveyor so as to adjust the dimensions. On the other hand, at least two units can be mounted simply by adjusting the dimensions of the several dimensional measurement reference positions provided in these units, and the mounting time for idlers and the like can be shortened. it can.

  In addition, in this embodiment shown in FIG. 1, although the example which divided | segmented the handrail drive part 2 into two units called the handrail drive part unit part 3 and the idler unit part 4 is shown, the passenger conveyor of this invention As a unit applied to the renewal method, a unit divided into three or more can be used. Even in the example divided into two units, the articles attached to each divided unit are not limited to the illustrated combinations.

(Second aspect of the invention)
Next, a second embodiment of the present invention will be described with reference to FIG. The second embodiment relates to a unit member that is attached when a passenger conveyor is renewed and supports a railing of the passenger conveyor.

  FIG. 2 is a view showing a balustrade attachment base unit member attached to an intermediate portion of a truss of a passenger conveyor, that is, a portion corresponding to a skew portion in the case of an escalator. In the figure, a balustrade base unit 21 in which a plurality of members are unitized is attached to the upper surface of a passenger conveyor frame 1B constituting the truss.

  The balustrade base unit 21 includes a plurality of balustrade base main bodies (railing support members) 22a, 22b, and 22c provided at intervals along the passenger conveyor frame 1B to fix a balustrade panel (not shown). Of the balustrade base body portions 22a to 22c, the balustrade base body portions 22a and 22b adjacent to each other, and the balustrade base body portions 22b and 22c are connected to each other.

  In the figure, the balustrade base unit 21 is directly attached to the upper surface of the passenger conveyor frame 1B. However, a base material is provided on the upper surface of the passenger conveyor frame 1B, and the balustrade base unit is provided via this base material. Even if the part 21 is attached, there is no problem.

  As for the connection pitch between the adjacent balustrade base body portions 22a and 22b connected and fixed by the connection portion 23 and the connection pitch between the balustrade base body portions 22b and 22c, the position of the balustrade attachment base hole of the existing passenger conveyor frame 1B Or match the base pitch of the newly installed balustrade panel. When matching with the base pitch of the latter balustrade panel, the existing passenger conveyor frame 1B is drilled in accordance with the new balustrade base mounting pitch.

  As for the balustrade base unit part 21 attached to the passenger conveyor frame 1B, the width direction dimension and height dimension, and the attachment pitch of the balustrade base main-body parts unitized previously are centered and adjusted.

  When renewing the passenger conveyor using such a balustrade base unit 21, the existing balustrade base is removed, and then the balustrade base unit 21 is temporarily placed at a predetermined position, and then the height is increased. The dimensions, width dimensions, and dimensions in the direction of travel are adjusted to match the predetermined dimensions.

  If the dimension measurement place of this width direction and the height direction uses the balustrade base main-body part by which dimension adjustment was carried out beforehand, the dimension measurement of the width direction and height direction of only the both ends 17 of the balustrade base unit part 21 will be performed. In the configuration of the balustrade base unit 21, the size of the balustrade base main body 22 b arranged between the balustrade base main body 22 a and the balustrade base main body 22 c is adjusted without adjusting the dimensions. .

  According to the above configuration, when the passenger conveyor is renewed, the dimensions of the plurality of balustrade bases attached to the inclined surface are adjusted in the traveling direction, the width direction, and the height direction, one by one, one by one. However, compared with the case where the size adjustment is performed each time the mounting is performed, it is possible to greatly reduce the size adjustment points at the time of mounting. In addition, since it is shipped in a state where the mounting pitch of the balustrade base main body portion is determined in advance at the time of factory shipment, it is possible to prevent an installation error on site. As a result, it is possible to greatly reduce the installation work time.

  The balustrade base unit portion 21 can be provided in the oblique portion of the truss. Since the skew portion of the truss has a longer linear distance than the parallel portions on the upper floor side and the lower floor side, the effects of the above-described embodiment are remarkably exhibited by providing the skew portion in the skew portion.

  In the present embodiment shown in FIG. 2, an example in which a total of three balustrade base body portions to be connected are connected by two connection portions 23 with respect to the balustrade base unit portion 21 is shown. A balustrade base unit in which four or more of the parts are connected by the connecting part 23 may be used.

(Mode of the third invention)
Hereinafter, a third embodiment of the present invention will be described with reference to FIGS.
The present embodiment relates to a passenger conveyor renewal method for replacing an existing drive device with a new drive device.

  FIG. 3 shows that a new drive unit 30 and a machine base unit 31 as a machine base unit for mounting the drive unit 30 are provided in a passenger conveyor frame 1C constituting a truss in the vicinity of the upper floor of the passenger conveyor. FIG. 4 is a diagram showing details of what has been done, and FIG. 4 is a diagram seen from the direction of arrows XX in FIG.

  3 and 4, the machine base 31 includes a connection support 32 spanned across the width direction of the truss for connecting the existing upper floor passenger conveyor frame 1 </ b> C and the machine base 31, and a new A drive device attaching portion 33 for attaching and fixing the drive device portion 30 to the machine base portion 31 is attached.

  Supports 34 for attaching a new drive device 30 are attached in advance to the upper surface of the machine base portion 31.

  When renewing the drive device, the existing drive device and mounting base that are unnecessary are first removed. At this time, instead of removing all the supplies, consider removing existing supplies as much as possible. For example, the connection support 35 in which a bolt hole for mounting an existing drive device is formed is left.

  If the unneeded items are removed, the passenger conveyor frame 1C is processed for the installation of the new machine base portion 31. After processing, the connection support 32 is attached, and the machine base 31 is attached. A plurality of bolts 36 are used for this attachment.

  The machine base 31 is attached using the existing machine mounting bolt 37 and the connection support 35 in which the bolt holes of the machine mounting bolt 37 are formed, and the back surface 31a of the machine base 31 is connected. This is also performed by fastening and fixing the machine base portion 31 to the connection support 35 with the machine mounting bolts 37 while being placed on the support 35. In this way, by using the existing machine mounting bolt 37 and the existing connection support 35, it is possible to reduce the removal time of the existing product and the work time required to install the new product in place of the removed existing product.

  Supports 34 for attaching the new drive device 30 have already been attached to the upper surface of the new machine base portion 31. After the machine base portion 31 is attached, the new drive device portion 30 is assembled to adjust the dimensions. Just do it.

  According to this configuration, it is possible to reduce the troublesome work of mounting the equipment in the machine room near the upper floor of the narrow passenger conveyor frame, and it is possible to reduce the work time of the drive device that takes time to adjust the mounting. .

  Further, the machine base portion 31 is provided with a portion on one side (back surface side) to which a fastening means installed on an existing truss is fastened, and a fastening means for fixing a new driving device on the other side (front side). As described above, it is possible not only to reduce the time for removing the existing product and the work time for installing the new product to replace the removed existing product, but also to install the existing drive unit and new Even if the drive device 30 is different in size, the new drive device 30 can be attached with high accuracy by absorbing the difference in size.

(Mode of the fourth invention)
Hereinafter, a fourth embodiment of the present invention will be described with reference to FIGS.

  The present embodiment relates to a unit member for mounting and dismounting boards that are mounted when a passenger conveyor is renewed.

  FIG. 5 shows the boarding board base board unit part 41 attached to the horizontal part of the passenger conveyor upper floor side, and FIG. 6 is the figure which looked at the boarding board base board unit part 41 of FIG. 5 from the Y direction. It is. 5 and 6, the boarding board base plate unit 41 includes a front panel mounting base section (railing base) 42 for fixing the front panel provided on the left and right balustrades, and a left and right front panel mounting base section 42. It is comprised from the boarding board base board part (base) 43 attached between, and the reinforcement part 44 for preventing the shift | offset | difference of the dimension after centering adjustment, and is made into one unit.

  The dimensions of the left and right tip panel mounting bases 42 and the boarding board base plate 43 in the boarding board base plate unit 41 are centered in advance in the factory and positioned and fixed by the reinforcing part 44 in the factory. It is prepared by. It is carried into the site in such a fixed state. The reinforcing portion 44 is attached to the tip panel mounting base portion 42 with a detachable bolt, and can be attached and detached freely.

  In the renewal work at the site, after removing existing supplies, the boarding board base plate unit part 41 is kept in the state of the unit 45 in the horizontal part base 45 of the upper and lower passenger conveyor frames 1D. Align to the position and incorporate. About the dimension adjustment at the time of alignment, it is based on the boarding / alighting board base board 43, and the dimension position of the front-end | tip part 43a of the boarding / alighting board base board 43 is match | combined with a specified dimension position. By aligning the tip portion 43a, the dimensional adjustment as a unit has already been completed for other parts, and therefore the specified dimension can be obtained without performing the dimensional adjustment again.

  When the dimension adjustment operation is completed and the attachment is completed, the attached reinforcing portion 28 is removed.

  Usually, the front panel mounting base part 42 attached to the horizontal front end part of the passenger conveyor upper floor part and lower floor part is configured separately on the left and right sides, and the dimensions of the left and right front panel mounting base parts 42 are adjusted when mounting. And mounted on the passenger conveyor frame 1D via a base. Thereafter, the boarding / alighting board base plate 43 was attached to the tip panel attachment base portion 42, and the dimensions were adjusted again to attach and fix. On the other hand, according to the configuration of the present embodiment, the tip panel mounting base portion 42 and the boarding / alighting board base plate 43 arranged on the left and right are dimensionally adjusted in advance, so that individual dimension adjustment is required. Therefore, since the dimension adjustment work for the entire board board / plate unit 41 is not necessary, the dimension adjustment time can be greatly reduced.

  5 and 6 show the boarding board base plate unit part 41 attached to the horizontal part on the upper floor side. However, the boarding board base plate unit part 41 of this embodiment is a horizontal board on the lower floor side. It can also be used by being attached to a part.

  As mentioned above, although the renewal method of the passenger conveyor of this invention and the unit member used for it demonstrated the case of the escalator using drawing, the renewal method of this invention is not restricted to the case where it applies to an escalator, It applies to a moving walkway In this case, the same effect as that applied to the escalator can be obtained.

It is a figure explaining the 1st Embodiment of this invention. It is a figure explaining the 2nd Embodiment of this invention. It is a figure explaining the 3rd Embodiment of this invention. It is the figure seen from the XX direction of FIG. It is a figure explaining the 4th Embodiment of this invention. It is the figure seen from the Y direction of FIG. It is a figure explaining the passenger conveyor with which one Example of the renewal method of this invention is applied.

Explanation of symbols

2 ... handrail drive unit (handrail drive unit),
3 ... handrail drive unit unit (first handrail drive unit),
4 ... idler unit (second handrail drive unit),
5 ... handrail drive unit body (handrail drive unit),
6 ... idler for adjusting handrail chain (tension applying part),
7 ... Relay idler (idler part),
8 ... idler for adjusting handrail drive chain (first idler part),
9. Track guide idler part (second idler part)
10: Adapter part (fastening means holding part),
21 ... balustrade base unit,
22a, 22b, 22c ... balustrade base body (railing support member),
23 ... connection part,
30 ... New drive unit,
31 ... Machine base part (machine base unit),
37 ... Existing machine mounting bolts,
41 ... boarding board base board unit part,
42 ... Tip panel mounting base,
43 ... boarding board

Claims (3)

A method of replacing a handrail drive unit that is provided in a truss of a passenger conveyor and generates a driving force for moving a handrail,
Removing the existing handrail drive,
Attaching a new handrail drive unit divided into two parts, a first handrail drive unit and a second handrail drive unit, into the truss for each divided unit;
The first handrail drive unit includes a handrail drive unit having a roller for transmitting a driving force to the handrail belt, a tension applying unit for adjusting the tension of a chain for transmitting power to the handrail drive unit, An idler for transmitting power to the roller of the handrail drive unit,
The second handrail drive unit has a first idler portion having a chain tension adjustment function for transmitting power to the handrail drive device portion, and a second idler portion for changing the locus of the chain. ,And,
The first handrail driving unit and the second handrail driving unit are fixed by a fastening means holding portion provided so as to be connected to an outer wall portion of each unit. A passenger conveyor renewal method applied to the passenger conveyor renewal method according to claim 1, wherein an existing drive device is replaced with a new drive device,
Removing the existing drive,
Fixing the machine base unit to the truss for fixing the new drive device at the position where the existing drive device has been removed;
Fixing a new driving device to the machine base unit;
A method for renewing a passenger conveyor, comprising: The machine base unit is provided with a part for fastening a fastening means installed on an existing truss on one side and a part for a fastening means for fixing a new driving device on the other side. Item 3. A passenger conveyor renewal method according to Item 2 .

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