JP2010260705A - Maintenance support device for escalator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To hold a disassembled part so as not to be scattered, when performing maintenance on a part for constituting an escalator, in a maintenance support device for the escalator. <P>SOLUTION: This maintenance support device 50 holds the disassembled part so as not to be scattered when performing the maintenance on the part for constituting the escalator, and has a string part 54 having one end installed in an optional installation place and having the other end holding the disassembled part between its folding-back parts by being folded back, and a maintaining part 56 for maintaining a holding state of the disassembled part by collecting the folding-back parts of the string part 54. The maintaining part 56 is a rubber member having a through-hole 56a of the hole area smaller than the total of the cross-sectional area of the folding-back parts of the string part 54. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an escalator maintenance support device, and more particularly, to an escalator maintenance support device when performing maintenance on components constituting the escalator.

  Currently, escalators are installed in various places such as commercial facilities. In order for passengers to use the escalator safely, maintenance of the escalator is regularly performed.

  As a technique related to the present invention, for example, in Patent Document 1, as a maintenance device such as an escalator, an escalator provided with a balustrade in which a moving handrail is movably guided on a guide device provided on an upper part of the balustrade panel In the above, there is disclosed a configuration in which a device is provided detachably on the balustrade, and the device is provided with a concave portion on which the moving handrail is placed.

Japanese Patent Laid-Open No. 11-292451

  By the way, the maintenance of the escalator that is regularly performed may be performed in a place where it is difficult to work such as a dark and narrow space, for example, in a truss located below a step. In the truss, for example, when performing work such as disassembling and replacing the chain of the handrail drive device that drives the moving handrail of the escalator, it is necessary to temporarily hold the chain plate and the connecting pin. If these disassembled parts are placed in an appropriate place, they may be dropped inside the truss during work.

  An object of the present invention is to provide an escalator maintenance support device that can hold a disassembled part so as not to be scattered when maintenance is performed on the parts constituting the escalator.

  The maintenance support device for escalators according to the present invention is a maintenance support device for escalators that keeps disassembled parts from being scattered when performing maintenance on the parts that constitute the escalator, and one end is attached to an arbitrary attachment location. A string portion for folding the other end and holding the disassembled component between the folded portions, and a maintaining means for maintaining the disassembled component holding state by gathering the folded portions of the string portion, To do.

  In the escalator maintenance support apparatus according to the present invention, the maintaining means is preferably a rubber member having a through-hole having a smaller hole area than the sum of the cross-sectional areas of the folded portions of the string portion.

  Further, in the maintenance support device for escalators according to the present invention, in the maintenance for exchanging a chain constituted by connecting a plurality of chain plates in an endless manner, one chain plate constituting the chain is removed and the endless shape is removed. Is provided between the open ends that are in an open state, and is provided with an elastic member for maintaining the chain in an endless state, and the string portion is removed for exchange of the chain on the other end side It is preferable that the disassembled part is held and one end side is attached to the elastic member.

  Moreover, in the escalator maintenance support apparatus according to the present invention, it is preferable that the plurality of string portions are attached to the elastic member.

  Moreover, the maintenance support apparatus for escalators according to the present invention preferably includes a clip portion that is provided on one end side of the string portion and can be attached to a member constituting the escalator.

  In the escalator maintenance support apparatus according to the present invention, it is preferable that the plurality of string portions are attached to the clip portion.

  According to the escalator maintenance support device having the above-described configuration, the disassembled part in which the other end of the string portion is folded and the parts constituting the escalator are disassembled can be held. Thereby, when performing maintenance on the parts constituting the escalator, the disassembled parts can be held so as not to be scattered.

In embodiment which concerns on this invention, it is a block diagram which shows an escalator. In embodiment which concerns on this invention, it is a schematic diagram which shows the relationship between a some drive roller and the endless chain which connects them mutually. In embodiment which concerns on this invention, it is a top view of a part of chain. In embodiment which concerns on this invention, it is a schematic diagram which shows a mode that a part of chain was decomposed | disassembled. In embodiment which concerns on this invention, it is a figure which shows a maintenance assistance apparatus. In embodiment which concerns on this invention, it is a flowchart which shows the procedure of the replacement | exchange operation | work of a chain. In embodiment which concerns on this invention, it is a figure which shows the modification of a maintenance assistance apparatus.

  Embodiments according to the present invention will be described below in detail with reference to the accompanying drawings. Moreover, below, although demonstrated as what has the string part attached to an attachment part, a some string part may be attached to an attachment part. In the following description, the object to be held is described as a disassembled part of the chain of the handrail drive device, but may be another chain, for example, a disassembled part of the step chain. In the following, the object to be held will be described as a disassembled part of the chain of the handrail drive device, but it may be a part that constitutes an escalator of parts other than the chain.

  Below, the same code | symbol is attached | subjected to the same element in all the drawings, and the overlapping description is abbreviate | omitted. In the description in the text, the symbols described before are used as necessary.

  FIG. 1 is a configuration diagram showing an escalator 10. The escalator 10 is a device that moves the passenger 4 between the landing floor 6 and the landing floor 8 having a height difference. The escalator 10 includes a step 12 on which the passenger 4 rides, a step chain 14 to which each step 12 is fastened, a main drive device 16 that drives the step chain 14, a moving handrail 70, and a moving handrail guide rail that constitutes a balustrade. 42, the inner plate 32, and the like, and a handrail driving device 140 that drives the moving handrail 70.

  Step 12 is a step having a size that allows passengers 4 to carry one or two passengers. When the escalator 10 is operated, the plurality of steps 12 move while maintaining a horizontal state with respect to the floor surface. Step 12 is provided with a plurality of grooves for preventing slipping.

  The endless step chain 14 fastens each step 12 via an appropriate shaft member (not shown), and transmits the driving force of the main drive device 16 to each step 12.

  The main drive device 16 is a device that outputs a driving force for driving the escalator 10, and includes, for example, an electric motor and a reduction gear. The driving force output by the main driving device 16 is transmitted to the driving roller 100 via a step chain 14 and a moving handrail chain (not shown) via a driving transmission means (not shown).

  The moving handrail 70 is a portion where the passenger 4 attaches or holds a hand. Here, the moving handrail 70 is endless by joining both ends in the longitudinal direction. The moving handrail guide rail 42 has a function of guiding the moving handrail 70. The inner plate 32 is a side wall that stands on the side of the step 12.

  The handrail driving device 140 has a function of driving the moving handrail 70 as described above, and includes the driving roller 100 and the pressure roller 120.

  In the handrail driving device 140, a plurality of pressure rollers 120 are disposed at positions facing the plurality of driving rollers 100 with the moving handrail 70 interposed therebetween. The pressure rollers 120 are arranged in pairs with the drive rollers 100, respectively. The driving roller 100 is driven by the driving force output from the main driving device 16, and the pressure roller 120 presses the moving handrail 70 toward the corresponding driving roller 100 by a pressing means (not shown). It rotates according to the driving of the driving roller 100. Here, the plurality of driving rollers 100 and the plurality of pressure rollers 120 are fastened to a chain in which a plurality of chain plates are connected in an endless manner. The relationship between the plurality of driving rollers 100 and the endless chain 110 will be described later.

  The moving handrail 70 is moved in the direction indicated by the arrow B in FIG. 1 when the driving roller 100 rotates in the direction indicated by the arrow A in the lower moving handrail 70. To do.

  FIG. 2 is a schematic diagram showing the relationship between a plurality of drive rollers 100 and an endless chain 110 that connects them to each other. FIG. 3A is a schematic plan view of a part of the chain 110. FIG. 3B is a schematic diagram showing a state in which a part of the chain 110 is disassembled. The chain 110 includes a chain plate 112 and a connecting pin 114. The chain plate 112 is a component for configuring the endless chain 110, and a through hole 112a for inserting the shaft portion 114a of the connecting pin 114 is formed. The connecting pin 114 is a part for connecting the two chain plates 112. The connecting pin 114 includes a cylindrical shaft portion 114a and a head portion 114b having a larger cross-sectional area than the shaft portion 114a. An endless chain 110 is formed by connecting a plurality of chain plates 112 with connecting pins 114.

  Next, the maintenance support device 50 used for maintenance such as disassembling the chain 110 and replacing it with a new chain 110 will be described. FIG. 4 is a diagram illustrating the maintenance support device 50. The maintenance support device 50 includes an attachment part 52, a string part 54, and a maintenance part 56.

  The attaching part 52 is an elastic member for attaching to the parts which comprise an escalator. Specifically, in order to replace the endless chain 110, the attaching portion 52 includes two chain plates positioned at both ends of the portion 113 where the endless shape is opened by removing the chain plate 112 constituting the chain 110. 112 is attached across. As a result, the endless state is maintained even after the chain plate 112 constituting the chain 110 is removed.

  The string portion 54 is a string that holds the disassembled parts so that they are not scattered when maintenance is performed on the parts constituting the escalator. One end of the string portion 54 is attached to the attachment portion 52, and the other end of the string portion 54 is folded back, and the disassembled parts are attached and held in a portion 542 between the folded portions. Here, although the description will be made assuming that the number of the string portions 54 attached to the attachment portion 52 is one, a plurality of string portions 54 may be attached to the attachment portion 52.

  The maintenance part 56 is a rubber member for maintaining the state where the string part 54 holds the disassembled parts by holding the folded parts of the string part 54 together. The maintenance part 56 has a truncated cone shape in which the radius of the upper base is smaller than the radius of the lower base. A through hole 56 a is formed in the maintenance unit 56. The hole area of the through hole 56a is the largest on the lower bottom side and gradually decreases toward the upper bottom side. And the hole area of the upper bottom side of the through-hole 56a is set a little smaller than the sum total of the cross-sectional area which is the part which turned the string part 54 (cross-sectional area for two of the string parts 54).

  Next, the operation of the maintenance support device 50 used for maintenance of the escalator 10 having the above-described configuration will be described with reference to FIGS. FIG. 5 is a flowchart showing the procedure for replacing the chain 110.

  As one of the maintenance work of the escalator 10, there is an exchange work of the chain 110 fastened to the driving roller 100 of the handrail driving device 140 that drives the moving handrail 70. First, one chain plate 112 constituting the chain 110 is removed (S10).

  Next, the attaching part 52 is attached so that it may straddle the two chain plates 112 arrange | positioned at the both ends of the removed chain plate 112 (S12). Then, the chain plate 112 and the connecting pin 114, which are disassembled parts, are inserted between the folded portions 542 of the string portion 54 (S14). In FIG. 4, the illustration of the chain plate 112 which is an exploded part is omitted.

  Subsequently, the other end of the string portion 54 is pulled from the upper bottom side of the maintaining portion 56, and the disassembled part is hardly fallen by the folded portion 542, and the attached state is held by the maintaining portion 56 (S16). . Next, settings such as bringing the new chain 110 to the working position are performed (S18).

  And the attaching part 52 is removed from the old chain 110 (S20). Thereafter, the replacement operation of the old chain 110 and the new chain 110 is performed in the same procedure as the known chain replacement operation (S22). As described above, according to the maintenance support device 50, when the chain 110 is exchanged, the disassembled parts can be prevented from being scattered. In addition, since the attachment part 52 is attached across the two chain plates 112 on both sides of the removed chain plate 112, the endless state of the chain 110 can be maintained, so even if one chain plate 112 is removed The chain 110 does not fall. Thereby, there exists an advantage that replacement work is easy to do.

  Next, a maintenance support device 60 that is a modification of the maintenance support device 50 will be described. The difference between the maintenance support device 60 and the maintenance support device 50 is an attachment portion 62. The attachment portion 62 is a double clip that can be attached to a member constituting the escalator, such as an angle. One end of the string portion 54 is connected to the attachment portion 62. According to the maintenance support device 60, when performing maintenance of the escalator 10, the disassembled parts are not scattered by attaching the attaching part 62 to the angle so that the disassembled parts are not easily dropped by the string part 54. Can be held.

  4 passengers, 6 landing floors, 8 landing floors, 10 escalators, 12 steps, 14 step chains, 16 main drive units, 32 inner plates, 42 moving handrail guide rails, 50, 60 maintenance support devices, 52, 62 attachment parts, 54 string part 56 maintenance part 56a through hole 70 moving handrail 100 drive roller 110 chain 112 chain plate 112a through hole 114 connecting pin 114a shaft part 114b head 120 pressure roller 140 handrail Drive device.

Claims (6)

A maintenance support device for an escalator that holds so that disassembled parts are not scattered when performing maintenance on the parts that constitute the escalator,
One end is attached to an arbitrary attachment location, the other end is folded back, and the string portion for holding the disassembled part between the folded back,
Maintenance means for maintaining the state of holding the disassembled parts by collecting the folded portions of the string portion;
An escalator maintenance support device comprising: In the maintenance support apparatus for escalators of Claim 1,
Maintenance means
An escalator maintenance support device, characterized in that it is a rubber member having a through-hole having a smaller hole area than the total cross-sectional area of the folded portion of the string portion. In the maintenance support apparatus for escalators of Claim 1 or Claim 2,
At the time of maintenance for exchanging a chain configured by connecting a plurality of chain plates endlessly, one chain plate constituting the chain is removed and provided between the open ends where the endless shape is opened, Equipped with an elastic member for maintaining the chain in an endless state,
An escalator maintenance support device, wherein the string portion holds a disassembled part removed for chain replacement on the other end side, and one end side is attached to an elastic member. In the maintenance support apparatus for escalators of Claim 3,
An escalator maintenance support device, wherein a plurality of string portions are attached to an elastic member. In the maintenance support apparatus for escalators of Claim 1 or Claim 2,
An escalator maintenance support device comprising a clip portion that is provided on one end side of the string portion and can be attached to a member constituting the escalator. In the maintenance support apparatus for escalators of Claim 5,
An escalator maintenance support device, wherein a plurality of string portions are attached to a clip portion.

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