JP5986935B2 - Moving handrail on passenger conveyor - Google Patents

Description

  The present invention relates to a moving handrail of a passenger conveyor provided in a passenger conveyor such as an escalator or an electric road, and more particularly to a moving handrail of a passenger conveyor in which a plurality of steel wires are embedded to improve strength. .

  Passenger conveyors typified by escalators are installed so as to straddle the lower and upper floors of the building, and the lower and upper floors have boarding / exiting floors. . A plurality of treads connected endlessly by a chain or the like on the truss straddling the lower floor and the upper floor is circulated diagonally upward or diagonally across the upper floor and the lower floor. It is configured to move. A pair of balustrades are erected on the left and right sides along the direction of travel of the plurality of treads connected endlessly. In addition, on the upper part of the pair of balustrades, moving handrails that run in synchronization with the footboards are respectively disposed. Furthermore, inside the truss, a driving machine that drives a footboard and a moving handrail, a footboard rail that guides the movement of the footboard, a control panel, and the like are disposed.

  In such a passenger conveyor, the moving handrail that moves while sliding on the railing functions as a gripping surface by the passenger's hand, so that the passenger does not fall over when moving on the tread board, etc. Is to do.

  Such moving handrails are known to be composed entirely of rubber or a flexible thermoplastic resin. The moving handrail is driven by a driving unit to slide on the balustrade, and the driving method is performed by friction between the driving unit and the moving handrail. For this reason, in order to increase the transmission efficiency of the driving force, it is necessary to increase the friction coefficient of the moving handrail. On the other hand, since the moving handrail slides on the balustrade, it is necessary to decrease the friction coefficient. Therefore, for example, in Japanese translations of PCT publication No. 2009-535804 (patent document 1), a part sliding with the balustrade is formed of a material having a small friction coefficient, and a part contacting the driving part is a material having a large friction coefficient. It is proposed to form with.

  However, in such a moving handrail composed entirely of rubber or a flexible thermoplastic resin, the moving handrail is driven by being pulled by the drive unit, so that the moving handrail itself may be stretched. For this reason, an event that does not synchronize with the movement of the footboard may occur. To avoid this, a moving handrail with a plurality of steel wires embedded therein has been proposed. The present invention is directed to a moving handrail in which this steel wire is embedded. Here, although there are many types of steel wires, generally stranded steel wires are used.

  And when the moving handrail which embed | buried this steel wire is used over a long period of time, it will be anticipated that damage will generate | occur | produce in a moving handrail and will reach the lifetime as a moving handrail. As damage to the moving handrail, for example, there is an abnormality in a steel wire provided inside. In order to detect such an abnormality in the steel wire, in Japanese Patent Application Laid-Open No. 2012-20794 (Patent Document 2), an image of the state of the steel wire is displayed by imaging the moving handrail with an X-ray imaging apparatus. It has been proposed to judge the abnormality of the steel wire by observing the state of the steel wire.

Special table 2009-538804 JP 2012-20794 A

  By the way, the moving handrail in which the steel wire is embedded has, as a basic structure, at least a tensile portion made of a steel wire and a cover rubber (natural rubber or synthetic rubber) for bundling the steel wire, and a tensile portion. Is formed from a surface portion that serves as a gripping surface for the moving handrail and a sliding portion that serves as a sliding surface for covering the balustrade from the inner periphery and the balustrade. In recent years, it has become mainstream to drive a moving handrail having such a configuration by a pinching drive device (which will be described later). For this reason, this tends to cause more abnormalities in the steel wire.

  That is, the pinching drive device drives the moving handrail with the frictional force and the pressing force between the driving wheels by passing the moving handrail between the opposing driving wheels. For this reason, a large compressive force acts on the cover rubber for bundling the steel wires while passing through the drive wheels. When the cover rubber is further deteriorated, the cover rubber is deformed by the pressing force when passing between the drive wheels, or the steel wire cannot be bundled by breaking. For this reason, the steel wires may come into contact with each other and the steel wires may break while passing through the drive wheels. In severe cases, it is expected that the broken steel wire will break through the decorative rubber and be exposed to the outside.

  Therefore, if the deterioration of the cover rubber can be grasped at an early stage, the moving handrail can be replaced before an abnormality occurs in the steel wire. However, in the X-ray imaging apparatus as described in Patent Document 2 described above, the state of the steel wire can be observed by imaging the moving handrail and displaying the state of the steel wire. It was difficult to observe the deterioration of the steel wire, and it was impossible to detect the abnormality until an abnormality occurred in the steel wire.

  The objective of this invention is providing the moving handrail of a passenger conveyor provided with the structure which can grasp | ascertain the deterioration state of the cover rubber which bundles the steel wire at an early stage.

  A feature of the present invention resides in that an inspection hole penetrating to the cover rubber bundled with the steel wire is provided in the moving handrail so that the deterioration state of the cover rubber can be judged through the inspection hole.

  According to the present invention, the deterioration state of the cover rubber is grasped by directly observing the state of the cover rubber through the inspection hole or by collecting and analyzing a part of the cover rubber through the inspection hole. Will be able to. As a result, it becomes possible to replace the moving handrail before an abnormality occurs in the steel wire by grasping the deterioration state of the cover rubber at an early stage.

It is a whole perspective view showing the whole passenger conveyor composition to which the present invention is applied. It is a schematic block diagram which shows the structure of the outline of the pinching drive device currently used for the passenger conveyor shown in FIG. It is sectional drawing which shows the cross section of the moving handrail of the passenger conveyor which becomes the 1st Embodiment (Example 1) of this invention. It is the elements on larger scale which expanded the A section shown in FIG. 3 partially. It is the fragmentary perspective view which cut out part of the moving handrail of the passenger conveyor which becomes the 1st Embodiment (Example 1) of this invention, and was seen from the inner peripheral side. It is the fragmentary perspective view which cut out part of the moving handrail of the passenger conveyor which becomes the 2nd Embodiment (Example 2) of this invention, and was seen from the outer peripheral side. It is the fragmentary perspective view which cut out part of the moving handrail of the passenger conveyor which becomes the 3rd Embodiment (Example 3) of this invention, and was seen from the inner peripheral side. It is the fragmentary perspective view which partially cut out the moving handrail of the passenger conveyor which becomes the 4th Embodiment (Example 4) of this invention, and was seen from the inner peripheral side. It is sectional drawing which shows the cross section of the moving handrail of the passenger conveyor which becomes the 5th Embodiment (Example 5) of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. First, a passenger conveyor to which the present invention is applied will be described with reference to FIG. In addition, although the passenger conveyor demonstrated below is a passenger conveyor (what is called an escalator) from which a step board changes in step shape, it is applicable also to the electric road where a step board moves in flat form.

  In FIG. 1, the passenger conveyor 1 is installed so as to straddle the lower floor surface F1 and the upper floor surface F2 of the building, and the lower floor floor F1 and the upper floor surface F2 are respectively placed on the lower floor. A floor 2 and an upper floor getting-on / off floor 3 are provided. A plurality of treads 4 connected endlessly by a chain or the like on the truss straddling the lower floor surface F1 and the upper floor surface F2 up and down are obliquely upward or diagonally across the upper floor and the lower floor. It is configured to circulate downward.

  A pair of balustrades 6 are erected on the left and right sides along the traveling direction of the plurality of step plates 4 connected endlessly. In addition, a moving handrail 5 that travels in synchronization with the footboard 4 is disposed above the pair of balustrades. Further, inside the truss, a driving machine for driving the footboard 4 and the moving handrail 5, a footboard rail for guiding the movement of the footboard, a control panel, and the like are disposed.

  As shown in FIG. 2, the driving device of the moving handrail 5 includes driving wheels 8A, 8B, and 8C that constitute the driving device 7, and driven wheels 9A, 9B, and 9C that are arranged to face the driving wheels 8A, 8B, and 8C. The wheels 8A, 8B, 8C are driven by an electric motor (not shown). The distances between the drive wheels 8A, 8B, 8C and the driven wheels 9A, 9B, 9C arranged to face the drive wheels 8A, 8B, 8C are set to be shorter than the thickness of the moving handrail 5, and the moving handrail 5 The moving handrail 5 is driven by pressing in the direction of compressing. Therefore, as described above, a large pressing force (compression force) acts on the moving handrail 5 when the moving handrail 5 passes through the drive wheels 8A, 8B, 8C of the drive device 7. This pressing force is necessary for moving the moving handrail 5.

  Next, embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to the following embodiments, and various modifications and application examples are included in the technical concept of the present invention. Is included in the range.

  Next, a first embodiment (Example 1) of the present invention will be described with reference to FIGS. FIG. 3 shows a DD cross section of FIG. 1, and the moving handrail 5 is placed on the upper end of the balustrade 6 so as to slide. The moving handrail 5 has a cross section formed in a “C” shape, and includes a flat region 5A in the center and locking regions 5B formed on both sides of the flat region 5A. In general, the flat area 5A is where the palm of the passenger is placed, and the locking area 5B is where the fingers of the hand hang. The locking region 5B is locked to a locking portion 6A formed to extend outward at the upper end of the balustrade 6. Therefore, the moving handrail 5 is configured to slide while being held by the upper part of the balustrade 6.

  FIG. 4 is a partially enlarged view in which the portion A shown in FIG. 3 is partially enlarged. As shown in FIGS. 3 and 4, the movable handrail 5 includes a plurality of steel wires 10 arranged over the flat region 5 </ b> A, and a cover rubber 11 that surrounds the plurality of steel wires 10 and bundles the steel wires 10. It has. The cover rubber 11 is made of natural rubber in this embodiment. And this steel wire 10 is made into the twisted steel wire by which the some strand was twisted, these several steel wires 10 are arrange | positioned in parallel, and are produced by insert molding to the cover rubber | gum 11, These The tensile part is formed by. Moreover, the bead 14 is provided in the front-end | tip part of the both sides of the latching area | region 5B, and the latching with the latching | locking part 6A of the balustrade 6 is ensured.

  A cotton canvas 12 is stacked on the cover rubber 11 in two upper and lower layers, and the outermost canvas 12 on the inner peripheral side serves as a sliding surface portion 5 </ b> C with the balustrade 6. Further, a decorative rubber 13 having a predetermined thickness is provided on the outer canvas 12 so as to cover the canvas 12 from the outer periphery, thereby forming a surface portion 5D. As shown in FIG. 4, the canvas 12 is bonded with an adhesive rubber 15.

  The decorative rubber 13 is made of a chlorosulfonated polyethylene resin that is excellent in weather resistance, ozone resistance, heat resistance, and chemical resistance, is easy to be colored, and has little discoloration after long-term outdoor exposure.

  In the moving handrail 5 having the above configuration, in this embodiment, the inspection hole 16 is provided on the inner peripheral surface side of the moving handrail 5 as shown in FIGS. An inspection hole 16 for inspection is formed in the inner peripheral surface side of the flat region 5A, that is, in the vicinity of the center portion in the width direction of the sliding surface portion 5C. As shown in FIG. 4, the inspection hole 16 penetrates the canvas 12 inward from the surface of the sliding surface portion 5 </ b> C and extends from the surface of the cover rubber 11 or slightly from the surface to the inside. Although the diameter of the inspection hole 16 is set to about 10 mm in this embodiment, the diameter is not limited to this and may be selected as appropriate. The inspection hole 16 is drilled when the moving handrail 5 is completed. Moreover, the shape is not circular, and may be any shape such as a rectangle, a triangle, an ellipse, and the like. However, what is important is that the cover rubber 11 can be seen directly from the inspection hole 16 or a part of the cover rubber 11 can be collected.

  In the above configuration, when checking the state of the cover rubber 11 that forms the tensile portion, first, the moving handrail 5 is reversed so that the inspection hole 16 is exposed so that the inspection hole 16 can be seen. In this state, since the surface of the cover rubber 11 can be visually observed through the inspection hole 16, it is possible to determine the deterioration state of the cover rubber 11.

  If it cannot be judged by visual inspection, a part of the cover rubber 11 is cut out and collected by tweezers or a cutter knife, and the small pieces of the collected cover rubber 11 are analyzed by a dedicated analyzer, thereby deteriorating the cover rubber 11. The state can be determined.

  In addition, it turned out that the steel wire 10 used for the moving handrail 5 is formed in an annular shape by abutting both ends, and there is a large proportion of occurrence of abnormality in the abutting portion. For this reason, in this embodiment, in order to observe the deterioration state of the cover rubber 11 in the vicinity of the butted ends of the steel wire 10, it is desirable to form the inspection hole 16 in the vicinity of this butting. Of course, the deterioration judgment can be sufficiently made even by observing the deterioration state of the cover rubber 11 in other places.

  As described above, according to the present embodiment, the state of the cover rubber 11 is directly observed through the inspection hole 16, or a part of the cover rubber 11 is collected and analyzed through the inspection hole 16. The deterioration state of the cover rubber 11 can be grasped. As a result, by grasping the deterioration state of the cover rubber 11, the moving handrail 5 can be replaced before the steel wire 10 becomes abnormal.

  Further, since the inspection hole 16 is formed in the sliding surface portion 5C on the inner peripheral side of the movable handrail 5, an effect that the passenger does not see the passenger and does not feel uncomfortable can be expected. Furthermore, if the inspection hole 16 is closed with a lid made of the same material as the decorative rubber 13, dust or the like does not collect in the inspection hole 16, and there is an effect that it is possible to save the trouble of removing the dust and the like at the time of inspection. I can expect.

  Next, a second embodiment (Example 2) of the present invention will be described with reference to FIG. The second embodiment is different from the first embodiment in that the inspection hole 16 is formed in the flat region 5A of the surface portion 5D of the moving handrail 5. Accordingly, since the configuration other than this is the same, the description thereof is omitted.

  In FIG. 6, an inspection hole 16 is formed near the center in the width direction of the surface portion 5 </ b> D on the outer peripheral side of the moving handrail 5. The inspection hole 16 penetrates the canvas 12 inward from the surface of the outer peripheral surface portion 5D and extends from the surface of the cover rubber 11 or slightly to the inside. The diameter of the inspection hole 16 is set to about 10 mm as in the first embodiment. The inspection hole 16 is drilled when the moving handrail 5 is completed as in the first embodiment.

  In the configuration as described above, when checking the state of the cover rubber 11 forming the tensile portion, since the inspection hole 16 is in the surface portion of the moving handrail, it is necessary to reverse the moving handrail 5 as in the first embodiment. There is no. For this reason, since the surface of the cover rubber 11 can be visually observed through the inspection hole 16 in a state where the movable handrail 5 is placed on the balustrade 6, it is possible to easily determine the deterioration state of the cover rubber 11.

  If it cannot be judged by visual observation, a part of the cover rubber 11 can be easily cut and collected with tweezers or a cutter knife while the moving handrail 5 is placed on the balustrade 6. The deterioration state of the cover rubber 11 can be determined by analyzing with a dedicated analyzer.

  Also in the present embodiment, in the same manner as in the first embodiment, in order to observe the deterioration state of the cover rubber 11 in the vicinity of the butting of both ends of the steel wire 10, it is desirable to form the inspection hole 16 in the vicinity of the butting. Of course, the deterioration judgment can be sufficiently made even by observing the deterioration state of the cover rubber 11 in other places.

  According to the present embodiment, the state of the cover rubber 11 can be observed by directly observing the state of the cover rubber 11 through the inspection hole 16 or by collecting and analyzing a part of the cover rubber 11 through the inspection hole 16. It becomes possible to grasp the deterioration state. As a result, by grasping the deterioration state of the cover rubber 11, the moving handrail 5 can be replaced before the steel wire 10 becomes abnormal.

  In addition, since the inspection hole 16 is formed on the outer peripheral surface portion of the movable handrail 5, it is not necessary to reverse the movable handrail 5, so that an effect of facilitating the inspection work can be expected. Further, if the inspection hole 16 is closed with a lid made of the same material as the decorative rubber 13 as in the first embodiment, dust or the like does not collect in the inspection hole 16 and is purposely removed during inspection. The effect of saving labor can also be expected.

  Next, a third embodiment (Example 3) of the present invention will be described with reference to FIG. In the third embodiment, a dummy rubber made of the same material as that of the cover rubber 11 is embedded along the locking region 5B of the moving handrail, and the dummy rubber is observed. It is different. Accordingly, since the configuration other than this is the same, the description thereof is omitted.

  In FIG. 7, a dummy rubber 17 is embedded in the locking region 5 </ b> B of the moving handrail 5 along the longitudinal direction of the moving handrail 5. This dummy rubber 17 is made of the same material as that of the cover rubber 11, and is sandwiched between the canvas 12 existing in the locking region 5B shown in FIG. 3, and has a width that fits in the locking region 5B. In this embodiment, the same natural rubber as the cover rubber 11 is used. An inspection hole 18 extending toward the dummy rubber 17 is formed on the outer peripheral side of the locking region 5B. The inspection hole 18 penetrates the canvas 12 from the outer surface to the inner side of the locking region 5B. It extends from the surface or slightly from the surface to the inside.

  Since the deterioration state of the dummy rubber 17 has a correlation with the deterioration state of the cover rubber 11 caused by the movement of the moving handrail 5, the deterioration state of the cover rubber 11 is estimated by observing the deterioration state of the dummy rubber 17. Is something that can be done.

  In the configuration as described above, when checking the state of the dummy rubber 17 embedded in the locking region 5B, the inspection hole 18 is located on the outer periphery of the locking region 5B of the movable handrail 5, so it is carried out by looking from the lower side. It is not necessary to reverse the moving handrail 5 as in Example 1, and observation is possible. For this reason, since the surface of the dummy rubber 17 can be visually observed through the inspection hole 18 in the state in which the movable handrail 5 is placed on the balustrade 6, the deterioration state of the dummy rubber 17 can be easily determined.

  If it cannot be judged by visual inspection, a part of the dummy rubber 17 can be easily cut and collected with tweezers or a cutter knife while the moving handrail 5 is placed on the balustrade 6. The deterioration state of the dummy rubber 17 can be determined by analyzing with an analyzer. Therefore, the deterioration state of the cover rubber 11 can be estimated by observing the deterioration state of the dummy rubber 17.

  According to the present embodiment, the state of the dummy rubber 17 is directly observed through the inspection hole 18, or a part of the dummy rubber 17 is collected and analyzed through the inspection hole 18 to indirectly cover the dummy rubber 17. The deterioration state of the rubber 11 can be grasped. As a result, by grasping the deterioration state of the cover rubber 11, the moving handrail 5 can be replaced before the steel wire 10 becomes abnormal.

  Further, since the inspection hole 18 is provided in the outer surface of the locking region 5B of the moving handrail 5, the sliding operation with the balustrade 6 is eliminated, and wear on the sliding surface does not occur.

  Furthermore, since the inspection hole 18 is formed on the outer surface portion of the movable handrail 5, it is not necessary to reverse the movable handrail 5, so that an effect of facilitating the inspection work can be expected. Further, if the inspection hole 16 is closed with a lid made of the same material as the decorative rubber 13 as in the first embodiment, dust or the like does not collect in the inspection hole 16 and is purposely removed during inspection. The effect of saving labor can also be expected.

  Next, a fourth embodiment (Example 4) of the present invention will be described with reference to FIG. The fourth embodiment is different from the third embodiment in that a dummy rubber made of the same material as that of the cover rubber 11 is partially embedded inside the locking region 5B of the moving handrail and this dummy rubber is observed. It is. Accordingly, since the configuration other than this is the same, the description thereof is omitted.

  In FIG. 8, an inspection hole 19 having a predetermined depth is partially drilled in the locking region 5B of the moving handrail 5. A dummy rubber piece 20 made of the same material as the cover rubber 11 is fixed to the bottom of the inspection hole 19 with an adhesive. The dummy rubber piece 20 is made of the same natural rubber as the cover rubber 11 in this embodiment. As shown in FIG. 8, an inspection hole 19 for accommodating the dummy rubber piece 20 is formed on the outer surface of the locking region 5B, and the inspection hole 19 extends from the outer surface of the locking region 5B to the inner side.

  Since the deterioration state of the dummy rubber piece 20 has a correlation with the deterioration state of the cover rubber 11 caused by the movement of the moving handrail 5 as in the third embodiment, by observing the deterioration state of the dummy rubber piece 20. The deterioration state of the cover rubber 11 can be estimated.

  In the above configuration, when checking the state of the dummy rubber piece 20 fixed to the bottom of the inspection hole 19 in the locking region 5B, the inspection hole 19 is on the outer periphery of the locking region 5B of the moving handrail 5, When looking from the lower side, observation is possible without the need to reverse the moving handrail 5 as in the first embodiment. For this reason, since the surface of the dummy rubber piece 20 can be visually observed through the inspection hole 19 in a state where the movable handrail 5 is placed on the balustrade 6, it is possible to easily determine the deterioration state of the dummy rubber 20.

  If the judgment cannot be made by visual observation, a part of the dummy rubber spatula 20 can be easily cut and collected with tweezers or a cutter knife while the moving handrail 5 is placed on the balustrade 6. The degradation state of the dummy rubber piece 20 can be determined by analyzing with a dedicated analyzer. Therefore, the deterioration state of the cover rubber 11 can be estimated by observing the deterioration state of the dummy rubber piece 20.

  According to the present embodiment, the state of the dummy rubber piece 20 is directly observed through the inspection hole 19, or a part of the dummy rubber piece 20 is collected and analyzed through the inspection hole 19. In addition, the deterioration state of the cover rubber 11 can be grasped. As a result, by grasping the deterioration state of the cover rubber 11, the moving handrail 5 can be replaced before the steel wire 10 becomes abnormal.

  Further, since the inspection hole 18 is provided in the outer peripheral surface of the locking region 5B of the movable handrail 5, the sliding operation with the balustrade 6 is eliminated, and wear on the sliding surface does not occur.

  Further, since it is not necessary to provide a dummy rubber all around the locking region 5A of the moving handrail 4 as compared with the third embodiment, the manufacturing is simplified and the manufacturing cost can be reduced.

  Furthermore, since the inspection hole 18 is formed in the outer peripheral surface portion of the movable handrail 5, it is not necessary to reverse the movable handrail 5, so that an effect of facilitating the inspection work can be expected. Further, if the inspection hole 16 is closed with a lid made of the same material as the decorative rubber 13 as in the first embodiment, dust or the like does not collect in the inspection hole 16 and is purposely removed during inspection. The effect of saving labor can also be expected.

  Next, a fifth embodiment (Example 4) of the present invention will be described with reference to FIG. In the fifth embodiment, the moving handrail 5 having a shape different from that of the first example is applied to the present invention.

  In FIG. 9, a plurality of steel wires 10 disposed over the flat region 5 </ b> A and a cover rubber 21 that surrounds the plurality of steel wires 10 and bundles the steel wires 10 are provided. The cover rubber 21 is made of urethane rubber in this embodiment. And this steel wire 10 is made into the stranded steel wire by which the some strand was twisted, These several steel wires 10 are arrange | positioned in parallel, and are insert-molded to the cover rubber 21, and are produced. The tensile part is formed by.

  A canvas 22 made of polyester is bonded to the inner peripheral side of the cover rubber 21, and this portion serves as a sliding surface portion 5 </ b> C with the balustrade 6. Further, a decorative rubber 23 having a predetermined thickness is provided on the outer peripheral side of the cover rubber 21 so as to cover the cover rubber 21 from the outer periphery, thereby forming the surface portion 5D. In the present embodiment, the decorative rubber 23 uses the same urethane rubber as the cover rubber 21.

  In the above configuration, as a configuration corresponding to the first embodiment, the inspection hole 16 is formed through the canvas 22 made of polyester to the inside of the cover rubber 21 or beyond the surface.

  Further, as a configuration corresponding to the second embodiment, the inspection hole 16 is formed through the decorative rubber 23 made of urethane rubber to the surface of the cover rubber 21 or beyond the surface to the inside.

  Furthermore, it is of course possible to adopt the configurations described in the third and fourth embodiments. As a result, the same operations and effects as those described in the first to fourth embodiments can be obtained.

  As described above, according to the present invention, an inspection hole penetrating to the cover rubber bundled with the steel wire is provided in the moving handrail so that the deterioration state of the cover rubber can be judged through the inspection hole. Therefore, the deterioration state of the cover rubber can be grasped by directly observing the state of the cover rubber through the inspection hole or by collecting and analyzing a part of the cover rubber through the inspection hole. become. As a result, it is possible to replace the moving handrail before an abnormality occurs in the steel wire by grasping the deterioration state of the cover rubber at an early stage.

DESCRIPTION OF SYMBOLS 1 ... Passenger conveyor, 2 ... Lower entrance / exit, 3 ... Upper entrance / exit, 4 ... Footboard, 5 ... Moving handrail, 6 ... Railing, 7 ... Nipping drive device, 10 ... Steel wire, 11 ... Cover rubber, 12 ... Canvas , 13 ... decorative rubber, 14 ... bead, 15 ... adhesive rubber, 16 ... inspection hole, 17 ... dummy rubber, 18 ... inspection hole, 19 ... inspection hole, 20 ... inspection hole, 21 ... dummy rubber piece.

Claims (9)

In a moving handrail of a passenger conveyor that slides and moves a pair of balustrades erected along the moving direction of a tread plate that is connected endlessly and circulates,
The moving handrail has a tensile portion made of a cover rubber in which a plurality of steel wires are bundled, and a sliding surface portion that slides on the balustrade located on the inner peripheral side of the tensile portion and provided on the tensile portion. And a surface portion on which a passenger's hand is placed so as to cover the tensile portion and located on the outer peripheral side of the tensile portion, and from the sliding surface portion or the surface of the surface portion, A moving handrail for a passenger conveyor, wherein a surface of the cover rubber of the tensile portion or an inspection hole penetrating and extending from the surface to the inside is provided in the sliding surface portion or the surface portion . In claim 1 ,
The inspection hole is a butted portion where both ends of the steel wire are butted, and extends through the surface of the cover rubber or the inner side from the surface of the cover rubber. In a moving handrail of a passenger conveyor that slides and moves a pair of balustrades erected along the moving direction of a tread plate that is connected endlessly and circulates,
The moving handrail has a tensile portion made of a cover rubber in which a plurality of steel wires are bundled, and a sliding surface portion that slides on the balustrade located on the inner peripheral side of the tensile portion and provided on the tensile portion. And a surface portion on which the passenger's hand is placed so as to cover the tensile portion and located on the outer peripheral side of the tensile portion, and the surface portion of the moving handrail has a flat region and the flat portion. A dummy rubber made of the same material as the cover rubber is embedded in the locking region along the longitudinal direction of the moving handrail, and the locking region is formed on both sides of the region. A moving handrail for a passenger conveyor, wherein an inspection hole extending from the outer peripheral surface to the surface of the dummy rubber or extending from the surface to the inner side is provided. In a moving handrail of a passenger conveyor that slides and moves a pair of balustrades erected along the moving direction of a tread plate that is connected endlessly and circulates,
  The moving handrail has a tensile portion made of a cover rubber in which a plurality of steel wires are bundled, and a sliding surface portion that slides on the balustrade located on the inner peripheral side of the tensile portion and provided on the tensile portion. And a surface portion on which the passenger's hand is placed so as to cover the tensile portion and located on the outer peripheral side of the tensile portion, and the surface portion of the moving handrail has a flat region and the flat portion. A locking region formed on both sides of the region, an inspection hole is formed inward from the outer surface of the locking region, and a dummy rubber made of the same material as the cover rubber is formed at the bottom of the inspection hole. A moving handrail of a passenger conveyor characterized by being fixed. In any one of Claims 1 thru | or 4,
A moving handrail for a passenger conveyor, wherein the inspection hole is provided with a lid made of the same material as the decorative rubber constituting the surface portion. In any one of Claims 1 thru | or 4,
A passenger conveyor, wherein a canvas is disposed between the sliding surface portion and the tensile portion, and a decorative rubber and a canvas are disposed between the surface portion and the tensile portion from the surface side. Moving handrail. In claim 5 or claim 6,
A moving handrail of a passenger conveyor, wherein the cover rubber of the tensile portion is made of natural rubber and the decorative rubber is made of chlorosulfonated polyethylene resin. In any one of Claims 1 thru | or 4,
A moving handrail of a passenger conveyor, wherein a canvas is disposed between the sliding surface portion and the tensile portion, and a decorative rubber is disposed between the surface portion and the tensile portion. In claim 8,
A moving handrail of a passenger conveyor, wherein the cover rubber of the tensile portion and the decorative rubber are made of urethane rubber.

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