WO2024069677A1 - Outil de centrage de bande transporteuse pour piétons et procédé d'inspection de centrage de rail - Google Patents

Outil de centrage de bande transporteuse pour piétons et procédé d'inspection de centrage de rail Download PDF

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Publication number
WO2024069677A1
WO2024069677A1 PCT/JP2022/035622 JP2022035622W WO2024069677A1 WO 2024069677 A1 WO2024069677 A1 WO 2024069677A1 JP 2022035622 W JP2022035622 W JP 2022035622W WO 2024069677 A1 WO2024069677 A1 WO 2024069677A1
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WO
WIPO (PCT)
Prior art keywords
rail
pair
rails
opposing
passenger conveyor
Prior art date
Application number
PCT/JP2022/035622
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English (en)
Japanese (ja)
Inventor
尚生 安達
和昭 戸塚
泰之 鳥居
七海 中尾
登 瀬水
Original Assignee
三菱電機ビルソリューションズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 三菱電機ビルソリューションズ株式会社 filed Critical 三菱電機ビルソリューションズ株式会社
Priority to PCT/JP2022/035622 priority Critical patent/WO2024069677A1/fr
Publication of WO2024069677A1 publication Critical patent/WO2024069677A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/14—Guiding means for carrying surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning

Definitions

  • This disclosure relates to a centering jig for a passenger conveyor, specifically an escalator or moving walkway. This disclosure also relates to a rail centering inspection method for inspecting the centering of a pair of rails of a passenger conveyor.
  • Patent Document 1 A conventional method for centering an escalator is described in Patent Document 1.
  • two supports that support both ends of a piano wire are erected on the truss of the escalator so that the piano wire is located at the center position of a pair of rails in the truss.
  • the pair of rails are then centered using the plumb line hanging down from the piano wire as a reference.
  • the object of this disclosure is to provide a passenger conveyor centering tool that makes it easy to easily and accurately center a pair of rails of a passenger conveyor.
  • the object of this disclosure relates to a rail centering inspection method that can quickly inspect whether the centering of a pair of rails has been performed accurately.
  • the passenger conveyor centering jig of the present disclosure has four links combined to form a parallelogram, and is equipped with parallel links that can vary the extension direction of the first opposing links relative to a pair of opposing first opposing links and a pair of second opposing links that oppose each other in a different direction from the pair of first opposing links while maintaining their parallelism; a reference identification unit that can identify one or more points at which the shortest distances from both of the pair of second opposing links are approximately the same; and at least a pair of rail contact units that come into contact with a pair of rails of the passenger conveyor to make the extension direction of the pair of rails approximately parallel to the extension direction of the second opposing links and to make the shortest distances from both of the pair of rails to the one or more points approximately the same.
  • the passenger conveyor centering tool is used, for example, as follows: First, when a pair of rail contact parts are a first rail contact part and a second rail contact part, the distance between the first rail contact part and the second rail contact part is adjusted to a distance that makes the distance between the pair of rails a specified distance.
  • the passenger conveyor centering jig is positioned so that the one or more points are approximately aligned in the height direction with the widthwise center position of the specified installation position of the pair of rails, the second opposing link is approximately parallel to the specified installation position, and the parallel link is approximately parallel to the horizontal plane.
  • this positioning is performed by visually positioning the passenger conveyor centering jig at a position where, for example, the lower ends of one or more plumb lines hanging from a piano wire extending in the air above a position that overlaps vertically with the widthwise center position of the specified installation position of a pair of rails approximately overlap in the vertical direction with the one or more points mentioned above, and where a pair of second opposing links are approximately parallel to the piano wire on approximately the same horizontal plane.
  • the above positioning is performed by visually positioning the passenger conveyor centering jig at a position where, for example, the lower ends of one or more plumb lines hanging from a piano wire extending in the air above a position that overlaps vertically with the widthwise center position of the specified installation position of a pair of rails approximately overlap in the vertical direction with the one or more points mentioned above, and where a line connecting the centers in the extension direction of a pair of first opposing links located on approximately the same horizontal plane approximately overlaps in the vertical direction with the piano wire.
  • the first rail is brought into contact with the first rail contact portion, and the second rail is brought into contact with the second rail contact portion.
  • the first rail that is in contact with the first rail contact portion is fixed to the truss, and the second rail that is in contact with the second rail contact portion is fixed to the truss, thereby fixing the pair of rails to the truss in a centered state.
  • the rail centering using the above-mentioned piano wire is one example of rail centering using a passenger conveyor centering jig, and piano wire does not have to be used to center rails using a passenger conveyor centering jig.
  • the exact centering position of the first rail and the second rail can be determined simply by contacting the first rail with the first rail contact portion and the second rail with the second rail contact portion with the passenger conveyor centering jig appropriately positioned relative to the specified installation position of the pair of rails. This makes it easy to fix the first and second rails in the exact centering position.
  • the one or more points may include a first point located on one of the pair of first opposing links and a second point located on the other of the pair of first opposing links, and the reference identification section may include a first identification section that enables the first point to be identified and a second identification section that enables the second point to be identified.
  • the centering of a pair of rails using the passenger conveyor centering jig of this configuration is performed, for example, using a piano wire as follows.
  • two plumb lines are hung from the piano wire that extends above a position that overlaps in height with the widthwise center position of the specified installation position of the pair of rails so that they can move in the extension direction of the piano wire.
  • the tip of one plumb line is made to approximately overlap the first point in the height direction and the tip of the other plumb line is made to approximately overlap the second point in the height direction, and further, the parallel links are made to be parallel on an approximately horizontal plane.
  • the first rail in contact with the first rail contact portion and the second rail in contact with the second rail contact portion, the first rail is fixed to the truss and the second rail is fixed to the truss.
  • the first and second rails can be easily fixed to the truss with the second opposing link of the passenger conveyor centering jig parallel to the piano wire with high precision. Therefore, it is easy to center the first and second rails with high precision.
  • first rail contact portion included in the pair of rail contact portions may have a first upper roller portion that can move on the upper surface of the first rail included in the pair of rails in the extension direction of the first rail, and a first side surface contact portion that can move on the first side surface by contacting a first side surface of the first rail located on the side of the second rail included in the pair of rails
  • second rail contact portion included in the pair of rail contact portions may have a second upper roller portion that can move on the upper surface of the second rail in the extension direction of the second rail, and a second side surface contact portion that can move on the second side surface by contacting a second side surface of the second rail located on the side of the first rail.
  • the passenger conveyor centering jig of this configuration is suitable for use in carrying out such an inspection. Such an inspection can be carried out, for example, as follows.
  • the first upper roller portion is brought into contact with the upper surface of a first location of one of the first rails of the temporarily fixed pair of rails, and the first side contact portion is brought into contact with the first side surface of the first location.
  • the second upper roller portion is brought into contact with the upper surface of a second location of the second rail that faces the first location of the first rail in the width direction, and the second side contact portion is brought into contact with the second side surface of the second location.
  • the centering of the part where the passenger conveyor centering jig moves smoothly in the extension direction without wobbling left and right is determined as appropriate centering, and the centering of the part where the passenger conveyor centering jig wobbles left and right is determined as inappropriate centering.
  • the passenger conveyor centering jig After attaching the passenger conveyor centering jig to any point in the extension direction of the temporarily fixed pair of rails, the passenger conveyor centering jig is moved in the extension direction of the pair of rails and the behavior of the passenger conveyor centering jig is simply checked visually to identify any improper centering locations. Therefore, it is possible to quickly inspect each local area in a short time to see whether the centering of the pair of rails temporarily installed on the truss has been performed accurately.
  • the first rail contact portion included in the pair of rail contact portions has a flat first side plate portion including a first abutment portion that abuts against a first side surface of a first rail included in the pair of rails that is located on the side of a second rail included in the pair of rails, a flat first orthogonal plate portion including a first overlapping portion that overlaps with the first rail in the thickness direction of the first rail and generally extends from the first side plate portion in a first orthogonal direction that includes the normal direction of the first abutment portion and the extension direction of the first rail, a flat first opposing plate portion including an overlapping portion that overlaps with the first rail in the thickness direction and generally extends from the first side plate portion in the first orthogonal direction at a distance from the first orthogonal plate portion, and a male thread that screws into a female thread of a through hole provided in the first overlapping portion.
  • the pair of rail contact parts may have a first bolt that is connected to the second rail and a second rail contact part that is connected to the second rail on the first rail side.
  • the pair of rail contact parts may have a second flat side plate part that is connected to the second rail and a second orthogonal plate part that is connected to the second rail and includes a second overlapping part that overlaps the second rail in the thickness direction of the second rail and extends from the second side plate part in a second orthogonal direction that includes the normal direction of the second abutment part and the extension direction of the second rail.
  • the pair of rail contact parts may have a second bolt that is connected to the second rail and a second orthogonal plate part that is connected to the second rail and a second orthogonal plate part that includes a second overlapping part that overlaps the second rail in the thickness direction and extends from the second side plate part in the second orthogonal direction at a distance from the second orthogonal plate part.
  • the passenger conveyor centering jig can be positioned relative to the specified installation position of the pair of rails, and then the first rail can be fixed to the passenger conveyor centering jig with the first side surface abutting the first abutment portion using the first side plate portion, the first orthogonal plate portion, the first opposing plate portion, and the first bolt.
  • the passenger conveyor centering jig can be positioned relative to the specified installation position of the pair of rails, and then the second rail can be fixed to the passenger conveyor centering jig with the second side surface abutting the second abutment portion using the second side plate portion, the second orthogonal plate portion, the second opposing plate portion, and the second bolt.
  • the first rail and the second rail fixed to the passenger conveyor centering jig, the first rail and the second rail can be fixed to the truss. Therefore, the first rail and the second rail can be easily fixed to the truss with their postures stabilized, and the first rail and the second rail can be centered to a higher degree.
  • the system may also include an angle identification unit that can identify two or more different inclination angles of the second opposing link relative to the first opposing link, each of which is less than or equal to 90°.
  • the distance between the pair of rails that guide the drive rollers of the step is different from the distance between the pair of rails that guide the driven rollers of the step. Furthermore, the distance between the pair of rails may vary depending on the installation location on the truss. Furthermore, the distance between the pair of rails of a passenger conveyor may vary depending on the specifications of the passenger conveyor.
  • the above configuration allows the distance between a pair of second opposing links to accurately match any one of two or more predetermined distances by using an angle identification unit. This increases the versatility of the passenger conveyor centering jig.
  • the system may also include a relative position maintaining unit that can maintain the relative position of the second opposing link with respect to the first opposing link when the inclination angle of the second opposing link with respect to the first opposing link is equal to or greater than the two inclination angles.
  • the distance between the pair of second opposing links can be maintained at a predetermined distance without fluctuating. This significantly improves the ease of handling of the passenger conveyor centering jig when fixing the rail, and allows the rail to be fixed to the truss more accurately and easily.
  • the relative position maintaining unit may also be capable of maintaining the relative position when the inclination angle of the second opposing link relative to the first opposing link is within a predetermined range of 90° or less.
  • the relative position maintaining unit can be used to set the predetermined distance between a pair of second opposing links to a desired distance, and the set predetermined distance can be maintained. Therefore, a highly versatile passenger conveyor centering jig can be constructed.
  • the rail centering inspection method disclosed herein is a rail centering inspection method for inspecting the centering of a pair of rails using a passenger conveyor centering jig including the above-mentioned first upper roller portion, and includes a step of moving the passenger conveyor centering jig in the extension direction of the pair of rails by moving the first upper roller portion along the top surface of the first rail and simultaneously moving the second upper roller portion along the top surface of the second rail.
  • the passenger conveyor centering jig after attaching a passenger conveyor centering jig to any location in the extension direction of a pair of temporarily fixed rails, the passenger conveyor centering jig is moved in the extension direction of the pair of rails and the behavior of the passenger conveyor centering jig is simply checked visually to identify locations of improper centering. Therefore, it is possible to quickly inspect each local area in a short time to see whether the centering of a pair of rails temporarily installed on a truss has been performed accurately.
  • the passenger conveyor centering tool of the present disclosure makes it easy to center a pair of rails of a passenger conveyor easily and accurately.
  • the rail centering inspection method of the present disclosure makes it possible to quickly inspect whether the pair of rails have been centered accurately.
  • FIG. 2 is a perspective view showing the inside of the escalator truss during renovation, and is a perspective view explaining the structure of a pair of rails of the escalator.
  • FIG. 2 is a perspective view showing one step, a step shaft supported on the step, a drive roller, and a driven roller.
  • FIG. 2 is a plan view of a passenger conveyor centering jig according to one embodiment of the present disclosure, viewed from above in the thickness direction.
  • 4 is a plan view of a passenger conveyor centering jig in which the length between the second opposing links is shorter than that shown in FIG. 3, as viewed from above in the thickness direction.
  • FIG. 1 is a perspective view showing a piano wire and two plumb bobs movably attached to and depending from the piano wire.
  • FIG. 6 is a cross-sectional view corresponding to FIG. 5 of a passenger conveyor centering jig of a first modified example.
  • FIG. 6 is a cross-sectional view corresponding to FIG. 5 of a passenger conveyor centering jig of a second modified example.
  • a passenger conveyor in which a pair of rails 4a, 4b, 5a, 5b, 6a, 6b are centered using the passenger conveyor centering jig 30, 130, 230 of the present disclosure will be described as an escalator 1.
  • the passenger conveyor is defined as an escalator or a moving walkway
  • the passenger conveyor in which a pair of rails are centered using the passenger conveyor centering jig of the present disclosure may be a moving walkway, or more specifically, may be a horizontal moving walkway or an inclined moving walkway.
  • Fig. 1 is a perspective view showing the inside of the truss 2 of the escalator 1 under renovation, and is a perspective view explaining the structure of the pair of rails 4a, 4b, 5a, 5b, 6a, 6b of the escalator 1.
  • Fig. 2 is a perspective view showing one step 10, the step shaft 16 supporting the step 10, the drive roller 12, and the driven roller 19. As shown in Fig.
  • the escalator 1 has a plurality of rail sets 4, 5, 6 extending along the extension direction of the truss 2, and each rail set 4, 5, 6 includes a pair of rails 4a, 4b, 5a, 5b, 6a, 6b that are spaced apart in the width direction of the truss 2 and face each other in the horizontal direction.
  • the escalator 1 has two pairs of drive rails 4a, 4b, 5a, 5b that face each other vertically, for a total of four drive rails 4a, 4b, 5a, 5b.
  • the escalator 1 also has a pair of driven rails 6a, 6b located widthwise inward of the two pairs of drive rails 4a, 4b, 5a, 5b, for a total of two driven rails 6a, 6b.
  • the step 10 includes a step body 18, a step board 20 that is connected to the step body 18 and on which a person stands, and a riser 22 that is connected to one side of the step board 20.
  • the step body 18 supports a step shaft 16 that includes a portion that extends outward in the width direction.
  • the drive roller 12 is rotatably supported at both left and right ends of the step shaft 16.
  • the insides of both ends of the step shaft 16 are connected to the step chain 11.
  • both left and right ends of the step body 18 rotatably support two driven rollers 19.
  • the two drive rollers 12 are guided by two pairs of drive rails 4a, 4b, 5a, 5b that face each other vertically in the height direction.
  • the two driven rollers 19 are guided by a pair of driven rails 6a, 6b.
  • the driven rails 6a, 6b may be formed of L-shaped angles.
  • a plurality of steps 10 are connected to the step chain 11 at regular intervals.
  • Escalator 1 transmits power from a drive unit located at the top to an upper sprocket via a drive chain, and drives the steps 10 in a circular motion between the upper and lower sprockets.
  • power from the upper sprocket is transmitted to a handrail drive device, and the moving handrail sandwiched between the drive roller and pressure roller of the handrail drive device is moved in the same direction and at the same speed as the steps 10.
  • jig 30 a passenger conveyor centering jig 30 (hereinafter simply referred to as jig 30) according to one embodiment of the present disclosure used to center the installation positions of a pair of rails 4a, 4b, 5a, 5b, 6a, 6b will be described with reference to Figures 3 to 6, and a method of installing a pair of rails 4a, 4b, 5a, 5b, 6a, 6b using jig 30 will be described.
  • Figure 3 is a plan view of jig 30 as viewed from above in the thickness direction
  • Figure 4 is a plan view of jig 30 as viewed from above in the thickness direction, in which the length between the second opposing links 45, 46 is shorter than in the case shown in Figure 3.
  • the jig 30 includes a parallel link 40, a reference determination unit 50, an angle determination unit 55, a relative position maintenance unit 60, and two pairs of rail contact units 65, 65.
  • the parallel link 40 has four links 41, 42, 45, 46 that are combined to form a parallelogram.
  • the four links 41, 42, 45, 46 are composed of a pair of opposing first opposing links 41, 42, and a pair of second opposing links 45, 46 that face in a different direction from the pair of first opposing links 41, 42.
  • the joint structure of the parallel link 40 can be constructed, for example, using push rivets 47.
  • the push rivets 47 include a screw and a base.
  • the cylindrical holes of the first opposing links 41, 42 and the second opposing links 45, 46 are overlapped in the thickness direction.
  • the temporarily integrated push rivet 47 i.e., a screw whose leg side is simply inserted into the hole in the base, is inserted into the two overlapped cylindrical holes.
  • the joint structure of the parallel link 40 may be a joint structure that does not use push rivets, or any known joint structure used in existing parallel links.
  • the jig 30 further includes a reinforcing link 43.
  • the reinforcing link 43 is the same as the first opposing link 41.
  • the position of the reinforcing link 43 in the orthogonal direction perpendicular to the second opposing links 45, 46 is approximately the same as the position of the first opposing link 41 in the orthogonal direction.
  • One end of the reinforcing link 43 is fixed to one second opposing link 45 by using a joint, for example, near the midpoint between the fixed part of one first opposing link 41 and the fixed part of the other first opposing link 42 in one second opposing link 45.
  • the other end of the reinforcing link 43 is fixed to the other second opposing link 46 by using a joint, for example, near the midpoint between the fixed part of one first opposing link 41 and the fixed part of the other first opposing link 42 in the other second opposing link 46.
  • a joint for example, near the midpoint between the fixed part of one first opposing link 41 and the fixed part of the other first opposing link 42 in the other second opposing link 46.
  • Any known structure may be used as the joint structure, and for example, the structure using the push rivet described above may be used.
  • the reinforcing link 43 is provided to increase the rigidity of the jig 30.
  • the reference identification unit 50 includes a first identification unit 50a and a second identification unit 50b.
  • the first identification unit 50a is a mark that allows a person to identify the center of one of the first opposing links 41 in the extension direction, and the mark may be a mark made by applying paint or writing with a marker, or may be a scratch made in the center with a knife or cutter.
  • the mark is a mark that allows a person to identify the midpoint of a pair of second opposing links 45, 46 in an orthogonal direction perpendicular to the extension direction of the second opposing links 45, 46, and the mark needs to be present on one of the first opposing links 41, and the mark does not need to be a mark that allows a person to identify the center of one of the first opposing links 41 in the extension direction.
  • the second identification portion 50b is a mark that allows a person to identify the center of the extension direction of the other first opposing link 42, and the mark may be a mark made by applying paint or writing with a marker, or may be a scratch made in the center with a knife or cutter.
  • the mark is a mark that allows a person to identify the midpoint of the pair of second opposing links 45, 46 in the orthogonal direction perpendicular to the extension direction of the second opposing links 45, 46, and the mark needs to be present on the other first opposing link 42, and the mark does not need to be a mark that allows a person to identify the center of the extension direction of the other first opposing link 41.
  • FIG. 5 is a cross-sectional view in the thickness direction of the first rail contact portion 65a included in the pair of rail contact portions 65, which contacts the first driven rail 6a included in the pair of driven rails 6a, 6b to fix the first driven rail 6a.
  • the pair of driven rails 6a, 6b is an example of a pair of rails
  • the first driven rail 6a is an example of a first rail.
  • the other second driven rail 6b included in the pair of driven rails 6a, 6b is an example of a second rail.
  • the first rail contact portion 65a is integral with one of the second opposing links 45, and the other second rail contact portion 65b (see FIG. 3) included in the pair of rail contact portions 65 is integral with one of the second opposing links 46.
  • the second rail contact portion 65b included in the pair of rail contact portions 65 has the same structure as the first rail contact portion 65a, and fixes the second driven rail 6b. A description of the second rail contact portion 65b will be omitted.
  • the first rail contact portion 65a has a flat first side plate portion 67 including a first abutment portion 67a that abuts against the first side surface 7 located on the second driven rail 6b side of the first driven rail 6a.
  • the first rail contact portion 65a also includes a first overlapping portion 68a that overlaps the first driven rail 6a in the thickness direction of the first driven rail 6a, and has a flat first orthogonal plate portion 68 that extends from the first side plate portion 67 in a first orthogonal direction that includes the normal direction of the first abutment portion 67a and the extension direction of the first driven rail 6a.
  • the first rail contact portion 65a also includes an overlapping portion 69a that overlaps the first driven rail 6a in the thickness direction, and has a flat first opposing plate portion 69 that extends in the first orthogonal direction from the first side plate portion 67 to the first orthogonal plate portion 68 at a distance in the thickness direction.
  • the first rail contact portion 65a also has a first bolt 71 with a male thread that screws into the female thread of the through hole provided in the first overlap portion 68a.
  • the jig 30 can be positioned relative to the specified installation positions of the pair of driven rails 6a and 6b, and then the first driven rail 6a can be fixed to the jig 30 with the first side surface 7 abutting the first abutment portion 67a using the first side plate portion 67, the first orthogonal plate portion 68, the first opposing plate portion 69, and the first bolt 71.
  • the jig 30 can be positioned relative to the specified installation positions of the pair of driven rails 6a and 6b, and then the second driven rail 6b can be fixed to the jig 30 with the second side surface abutting the second abutment portion using the second side plate portion, the second orthogonal plate portion, the second opposing plate portion, and the second bolt on the opposite side in the width direction (not described). Then, with the first driven rail 6a and the second driven rail 6b fixed to the jig 30, the first driven rail 6a and the second driven rail 6b can be fixed to the truss 2. Therefore, it is easy to fix the first driven rail 6a and the second driven rail 6b to the truss 2 with their postures stabilized, and it is easy to center the first driven rail 6a and the second driven rail 6b to a high degree.
  • the angle determination portion 55 has a plurality of straight lines 56 radially drawn on the upper surface of one of the second opposing links 45, and angle notations 57 drawn to correspond to each of the straight lines 56.
  • the straight line 56a corresponding to the notation of 90° among the plurality of straight lines 56 passes through the center 47b of the push rivet 47a that fixes the first opposing link 41 to the second opposing link 45 when the first opposing link 41 is perpendicular to the second opposing link 45, and extends parallel to the extension direction of the first opposing link 41.
  • the notation of 90° indicates that the first opposing link 41 and the second opposing link 45 intersect at 90°.
  • each straight line 56 is a straight line that is parallel to the extension direction of the first opposing link 41 when the first opposing link 41 is inclined relative to the second opposing link 45 at the angle indicated by the corresponding angle notation 57, and also passes through the center 47b of the push rivet 47a that secures the first opposing link 41 to the second opposing link 45.
  • the notation does not have to be an angle notation, and may be a length notation. This is because, if the angle between the first opposing link 41 and the second opposing link 45 can be identified, the shortest distance between the corresponding pair of second opposing links 45, 46 is uniquely determined. In other words, there is a one-to-one correspondence between the angle between the first opposing link 41 and the second opposing link 45 and the shortest distance between the pair of second opposing links 45, 46. Therefore, even if the notation is a length notation that represents the shortest distance between the pair of second opposing links 45, 46, the inclination angle of the second opposing link 45 relative to the first opposing link 41 can be identified. In other words, the length notation that represents the shortest distance also constitutes an angle identification unit and is an example of an angle identification unit.
  • the shortest distance in the width direction of the specified installation position of a pair of rails is predetermined. Therefore, by using a length notation indicating the shortest distance as the angle specification unit, it is preferable to be able to match the shortest distance of a pair of rails that are appropriately fixed to the jig 30 to the shortest distance in the width direction of the specified installation position simply by matching the notated shortest distance to the shortest distance in the width direction of the specified installation position.
  • the relative position maintaining unit 60 has a cylindrical through hole (not shown) provided in the first opposing link 41, an arc-shaped through hole 62 provided in the second opposing link 45, a bolt 63, and a nut (not shown).
  • the cylindrical through hole is provided, for example, in the center of the width of the first opposing link 41.
  • the arc-shaped through hole 62 is an elongated hole and is provided on an arc centered on the center of the push rivet 47a.
  • the center of the width of the arc-shaped through hole 62 which is an elongated hole, and the central axis of the cylindrical through hole overlap in the thickness direction.
  • the shaft portion of the bolt 63 can be passed through the cylindrical through hole and the arc-shaped through hole 62 in that order from one thickness direction side of the jig 30, and the female thread of the nut can be tightened all the way onto the male thread of the shaft portion of the bolt 63 from the other thickness direction side. Therefore, when the inclination angle of the first opposing link 41 with respect to the second opposing link 45 is any inclination angle included in the above-mentioned predetermined range, the relative position of the first opposing link 41 with respect to the second opposing link 45 can be prevented from fluctuating, and the relative position of the first opposing link 41 with respect to the second opposing link 45 can be maintained.
  • the above-mentioned predetermined range can be set, for example, to 15° or more and 90° or less.
  • the pair of rails 4a, 4b, 5a, 5b, 6a, 6b can be centered using the jig 30 as follows.
  • the distance between the first rail contact portion 65a and the second rail contact portion 65b constituting the pair of rail contact portions 65 is adjusted by the angle specifying portion 55 (part for specifying the length between the pair of first opposing links 41, 42) described in FIG. 6 to match the specified distance between the pair of rails 4a, 4b, 5a, 5b, 6a, 6b, and then the parallel link 40 is fixed so that it cannot be moved using the relative position maintaining portion 60.
  • the jig 30 is positioned so that one or more points that can be determined by the reference determination unit 50 are approximately aligned in the height direction with the widthwise center position of the specified installation position of the pair of rails, the second opposing links 45, 46 are approximately parallel to the above-mentioned specified installation position, and the parallel link 40 is approximately parallel to the horizontal plane.
  • this positioning is performed, for example, using a piano wire as follows.
  • two supports 82, 83 supporting both ends of the piano wire 81 are erected on the truss 2 of the escalator 1 so that the piano wire 81 overlaps vertically at the center position in the width direction of a pair of rails 4a, 4b, 5a, 5b, 6a, 6b (see FIG. 1) in the truss 2.
  • two plumb bobs 85, 86 that can move in the extension direction of the piano wire 81 are suspended from the piano wire 81.
  • the above positioning is performed by visually positioning the jig 30 at a position where the lower ends of two plumb lines 85, 86 hanging from a piano wire 81 extending in the air above a position that overlaps in height with the widthwise center position of the specified installation position of a pair of rails 4a, 4b, 5a, 5b, 6a, 6b, approximately overlap in height with the two specific parts 50a, 50b, and where a line connecting the centers in the extension direction of a pair of first opposing links 41, 42 located on approximately the same horizontal plane approximately overlaps in height with the piano wire 81.
  • the first rails 4a, 5a, 6a are brought into contact with the first rail contact portion 65a, and the second rails 4b, 5b, 6b are brought into contact with the second rail contact portion 65b.
  • the first rails 4a, 5a, 6a in contact with the first rail contact portion 65a are fixed to the truss 2
  • the second rails 4b, 5b, 6b in contact with the second rail contact portion 65b are fixed to the truss 2, so that the pair of rails 4a, 4b, 5a, 5b, 6a, 6b are fixed to the truss 2 in a centered state.
  • each of the three pairs of rails 4a, 4b, 5a, 5b, 6a, 6b is fixed independently of each other.
  • the above-mentioned centering of rails using a piano wire is an example of centering of rails using the jig disclosed herein, and piano wire does not have to be used for centering of rails using the jig disclosed herein.
  • the jig 30 includes a parallel link 40 having four links 41, 42, 45, 46 that are combined to form a parallelogram.
  • the parallel link 40 can vary the extension direction of the first opposing links 41, 42 relative to the second opposing links 45, 46 while maintaining the parallelism of the pair of opposing first opposing links 41, 42 and the pair of second opposing links 45, 46 that oppose in a different direction from the pair of first opposing links 41, 42.
  • the jig 30 also includes a reference identification unit 50 that can identify one or more points at which the shortest distances from both of the pair of second opposing links 45, 46 are approximately the same.
  • the jig 30 also includes at least a pair of rail contact parts 65 that contact the pair of rails of the escalator 1.
  • the at least a pair of rail contact parts 65 make the extension direction of the pair of rails approximately parallel to the extension direction of the second opposing links 45, 46, and make the shortest distances from both of the pair of rails to the one or more points approximately the same.
  • the accurate centering positions of the first rail 4a, 5a, 6a and the second rail 4b, 5b, 6b can be identified simply by contacting the first rail 4a, 5a, 6a with the first rail contact portion 65a and the second rail 4b, 5b, 6b with the second rail contact portion 65b. Therefore, the pair of rails 4a, 4b, 5a, 5b, 6a, 6b can be easily fixed in the accurate centering positions.
  • the one or more points that have approximately the same shortest distance from both of the pair of second opposing links 45, 46 may include a first point located on one of the pair of first opposing links 41, 42, and a second point located on the other of the pair of first opposing links 41, 42, and the reference identification unit 50 may include a first identification unit 50a that enables the first point to be identified, and a second identification unit 50b that enables the second point to be identified.
  • first rails 4a, 5a, 6a and the second rails 4b, 5b, 6b can be easily fixed to the truss 2 with the second opposing links 45, 46 of the jig 30 parallel to the piano wire 81 with high precision. Therefore, it is easy to center the first rails 4a, 5a, 6a and the second rails 4b, 5b, 6b with high precision.
  • the system may also include an angle identification unit 55 that can identify two or more different inclination angles of the second opposing links 45, 46 relative to the first opposing links 41, 42, each of which is less than or equal to 90°.
  • the distance between the pair of rails 4a, 4b, 5a, 5b that guide the drive roller 12 of the step 10 is different from the distance between the pair of rails 6a, 6b that guide the driven roller 19 of the step 10.
  • the shortest distance in the width direction between the pair of rails 4a, 4b, 5a, 5b may vary depending on the installation location on the truss 2.
  • the distance between the pair of rails 4a, 4b, 5a, 5b, 6a, 6b of the escalator 1 may vary depending on the specifications of the escalator.
  • the angle identification unit 55 by using the angle identification unit 55, the distance between the pair of second opposing links 45, 46 can be accurately matched to any one of two or more predetermined distances. Therefore, the versatility of the jig 30 can be increased.
  • the system may also include a relative position maintaining unit 60 that can maintain the relative position of the second opposing links 45, 46 with respect to the first opposing links 41, 42 when the inclination angle of the second opposing links 45, 46 with respect to the first opposing links 41, 42 is two or more inclination angles.
  • the distance between the pair of second opposing links 45, 46 can be maintained without fluctuating when the distance between the pair of second opposing links 45, 46 is a predetermined distance. This significantly improves the ease of handling of the jig 30 when fixing the rails, and allows the rails 4a, 4b, 5a, 5b, 6a, 6b to be fixed to the truss 2 more accurately and easily.
  • the relative position maintaining unit 60 may also be able to maintain the relative position of the second opposing links 45, 46 with respect to the first opposing links 41, 42 when the inclination angle of the second opposing links 45, 46 with respect to the first opposing links 41, 42 is within a predetermined range of angles less than 90°.
  • the relative position maintaining unit 60 can be used to set the predetermined distance between the pair of second opposing links 45, 56 to a desired distance, and the set predetermined distance can be maintained. Therefore, a highly versatile jig 30 can be constructed.
  • the first rail contact portion 165a included in the pair of rail contact portions 165 may include a first upper roller portion 171 that can move on the upper surface of the first driven rail 6a included in the pair of driven rails 6a, 6b in the extension direction of the first driven rail 6a.
  • first rail contact portion 165a may include a first side contact roller portion 172 that can contact the first side surface 7 located on the second rail (not shown) side included in the pair of rails 6a of the first driven rail 6a and move on the first side surface 7.
  • the first rail contact portion 165a may also include a first lower roller portion 173 that can move on the lower surface of the first driven rail 6a in the extension direction of the first driven rail 6a.
  • the first rail contact portion 165a may also include a cylindrical first shaft portion 191 that rotatably supports the first upper roller portion 171 via a rolling bearing 181 or the like, and a cylindrical second shaft portion 192 that rotatably supports the first lower roller portion 173 via a rolling bearing 182 or the like.
  • the first rail contact portion 165a may also include a cylindrical third shaft portion 193 that rotatably supports the first side contact roller portion 172 via a rolling bearing 183 or the like.
  • the second rail contact portion included in the pair of rail contact portions 165 may similarly have a second upper roller portion that can move on the upper surface of the second driven rail 6b in the extension direction of the second driven rail 6b, and a second side surface contact roller portion that can contact the second side surface of the second driven rail 6b located on the first driven rail 6a side and move on the second side surface.
  • the second rail contact portion may also have a second lower roller portion that can move on the lower surface of the second driven rail 6b in the extension direction of the second driven rail 6b.
  • the second rail contact portion may also include a cylindrical fourth shaft portion that rotatably supports the second upper roller portion via a rolling bearing or the like, and a cylindrical fifth shaft portion that rotatably supports the second lower roller portion via a rolling bearing or the like.
  • the second rail contact portion may also include a cylindrical sixth shaft portion that rotatably supports the second side contact roller portion via a rolling bearing or the like.
  • the first side contact roller portion 172 is an example of a first side contact portion
  • the second side contact roller portion is an example of a second side contact portion.
  • the first shaft portion 191 and the second shaft portion 192 extend in a direction perpendicular to the height direction (thickness direction) of the jig 130 and perpendicular to a pair of second opposing links (a pair of links that are approximately parallel to a pair of rails).
  • the third shaft portion 193 extends in the height direction of the jig 130.
  • the fourth shaft portion and the fifth shaft portion extend in a direction perpendicular to the height direction of the jig 130 and perpendicular to the pair of second opposing links, and the sixth shaft portion extends in the height direction of the jig.
  • the modified jig 130 is used to perform such an inspection. Such an inspection can be performed, for example, as follows.
  • the first upper roller portion 171 is brought into contact with the upper surface of one of the first rails 4a, 5a, 6a of the pair of temporarily fixed rails 4a, 4b, 5a, 5b, 6a, 6b at a first location, and the first side surface contact roller portion 172 is brought into contact with the first side surface 7 at the first location.
  • the second upper roller portion is brought into contact with the upper surface of the second rail 4b, 5b, 6b at a second location that faces the first location of the first rail 4a, 5a, 6a in the width direction, and the second side surface contact roller portion is brought into contact with the second side surface at the second location.
  • the jig 130 is moved in the extension direction of the pair of temporarily fixed rails 4a, 4b, 5a, 5b, 6a, 6b, and the behavior of the jig 130 is visually confirmed. Then, the centering where the jig 130 moves smoothly in the extension direction without wobbling left and right is considered to be proper centering, and the centering where the jig 130 wobbles left and right is considered to be improper centering.
  • the jig 130 has been described as having the first lower roller portion 173.
  • the first rail contact portion 265a does not have to have a first lower roller portion that contacts the lower surface of the first rail 4a, 5a, 6a
  • the second rail contact portion does not have to have a second lower roller portion that contacts the lower surface of the second rail 4b, 5b, 6b.
  • the jig 30 has a first identification part 50a that can identify a first point located on one of the first opposing links 41, and a second identification part 50b that can identify a second point located on the other of the first opposing links 42.
  • the jig of the present disclosure may also have a reference identification part that can identify only one point that has approximately the same shortest distance from both of a pair of second opposing links, and that only one point may be located on the reinforcing link.
  • the jig 30 has been described as having a reinforcing link 43, the jig of the present disclosure does not need to have a reinforcing link. Further, although the jig 30 has been described as having an angle specifying unit 55, the jig of the present disclosure does not need to have an angle specifying unit. Further, although the jig 30 has been described as having a relative position maintaining unit 60, the jig of the present disclosure does not need to have a relative position maintaining unit.
  • the pair of rails 4a, 4b, 5a, 5b, 6a, 6b are centered using the jig 30 and the piano wire 81 .
  • the pair of rails may be centered without using the piano wire, and instead of the piano wire, a tape (e.g., a color tape) may be used that extends in the extension direction of the truss 2 and is temporarily attached to the floor of the truss 2 so that the tape extends in the extension direction of the truss 2 at a position that vertically overlaps the widthwise center position of the specified installation position of the pair of rails.
  • a tape e.g., a color tape

Abstract

La présente invention concerne un outil (30) qui comprend : une liaison parallèle (40) au moyen de laquelle il est possible, dans un état dans lequel chacune d'une paire de premières liaisons opposées (41, 42) qui sont opposées l'une à l'autre et d'une paire de secondes liaisons opposées (45, 46) qui sont opposées l'une à l'autre dans un sens différent sont maintenues parallèles, de modifier le sens d'extension des premières liaisons opposées (41, 42) par rapport aux secondes liaisons opposées (45, 46) ; une unité de spécification de critère (50) qui est capable de spécifier un ou plusieurs points pour lesquels les distances les plus courtes par rapport aux deux liaisons opposées de la paire de secondes liaisons opposées (45, 46) sont sensiblement les mêmes ; et au moins une paire de parties de contact de rail (65) qui entrent en contact avec une paire de rails d'une bande transporteuse pour piétons, permettant ainsi de maintenir le sens d'extension de la paire de rails sensiblement parallèle au sens d'extension des secondes liaisons opposées (45, 46) et de maintenir les distances les plus courtes entre les deux rails de la paire de rails et le ou les points sensiblement identiques.
PCT/JP2022/035622 2022-09-26 2022-09-26 Outil de centrage de bande transporteuse pour piétons et procédé d'inspection de centrage de rail WO2024069677A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/035622 WO2024069677A1 (fr) 2022-09-26 2022-09-26 Outil de centrage de bande transporteuse pour piétons et procédé d'inspection de centrage de rail

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/035622 WO2024069677A1 (fr) 2022-09-26 2022-09-26 Outil de centrage de bande transporteuse pour piétons et procédé d'inspection de centrage de rail

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WO2024069677A1 true WO2024069677A1 (fr) 2024-04-04

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101666A (ja) * 1993-10-05 1995-04-18 Hitachi Building Syst Eng & Service Co Ltd 乗客コンベアの芯出し装置
JPH11286385A (ja) * 1998-04-01 1999-10-19 Hitachi Building Systems Co Ltd 乗客コンベアのレール芯出し装置
JP2002537200A (ja) * 1999-02-19 2002-11-05 ボール ロナルド エイチ エスカレータ又は動く歩道のハンドレールの表面に保護フィルムを被着させたり取り除く方法
JP2006082896A (ja) * 2004-09-14 2006-03-30 Toshiba Elevator Co Ltd マンコンベアの欄干パネル取付装置及びその位置決め用治具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101666A (ja) * 1993-10-05 1995-04-18 Hitachi Building Syst Eng & Service Co Ltd 乗客コンベアの芯出し装置
JPH11286385A (ja) * 1998-04-01 1999-10-19 Hitachi Building Systems Co Ltd 乗客コンベアのレール芯出し装置
JP2002537200A (ja) * 1999-02-19 2002-11-05 ボール ロナルド エイチ エスカレータ又は動く歩道のハンドレールの表面に保護フィルムを被着させたり取り除く方法
JP2006082896A (ja) * 2004-09-14 2006-03-30 Toshiba Elevator Co Ltd マンコンベアの欄干パネル取付装置及びその位置決め用治具

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