WO2013080323A1 - Transporteur de passagers - Google Patents

Transporteur de passagers Download PDF

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Publication number
WO2013080323A1
WO2013080323A1 PCT/JP2011/077628 JP2011077628W WO2013080323A1 WO 2013080323 A1 WO2013080323 A1 WO 2013080323A1 JP 2011077628 W JP2011077628 W JP 2011077628W WO 2013080323 A1 WO2013080323 A1 WO 2013080323A1
Authority
WO
WIPO (PCT)
Prior art keywords
joint
passenger conveyor
flexible
surface portion
side frames
Prior art date
Application number
PCT/JP2011/077628
Other languages
English (en)
Japanese (ja)
Inventor
美礼 堂薗
宇津宮　博文
孝昭 軍地
礒谷　仁
Original Assignee
株式会社日立製作所
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.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to CN201180075181.9A priority Critical patent/CN103958387B/zh
Priority to JP2013546897A priority patent/JP5779255B2/ja
Priority to PCT/JP2011/077628 priority patent/WO2013080323A1/fr
Publication of WO2013080323A1 publication Critical patent/WO2013080323A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways

Definitions

  • the present invention relates to an escalator device that connects each level of a building such as a railway station building or a department store, and a passenger conveyor represented by an electric road used in an airport or the like, and in particular, a main frame comprising a pair of side frames.
  • the present invention relates to a passenger conveyor having a body.
  • the main frame of a passenger conveyor is manufactured from an integral structure and transported to a building site such as a building.
  • the main frame was manufactured by dividing it into individual pieces and assembled and installed using connecting bolts at the installation site.
  • a passenger conveyor having such a main frame has already been proposed as described in, for example, Japanese Patent Laid-Open No. 52-137880 (Patent Document 1).
  • this main frame is divided in the longitudinal direction in consideration of mounting, transportation, and carrying-in to the installation site.
  • segmented main frame body is made into an integral structure by abutting both and fastening and fixing with a connection bolt etc. using a joint member.
  • the main frame is spanned over a support provided at each level, and a plurality of treads and handrails that move while circulating, and further, a driving machine and a guide for driving them. Support the mechanism.
  • the main frame of the passenger conveyor includes support portions at both ends of the main frame, depending on the weight of the main frame itself, the weight of storage equipment such as the step board, the moving handrail, the driving machine and the guide mechanism described above, and the weight of the passenger. It is bent and deformed like a both-ends support beam with fulcrum as the fulcrum.
  • the stress in the longitudinal direction of the side frame constituting the main frame becomes a large compressive stress as it approaches the top surface, and becomes a large tensile stress as it approaches the bottom.
  • a flat joint member is formed on the flange portion and the lateral side surface portion of the H-shaped steel material which is the top surface portion and the bottom surface portion of each side frame body in the divided portion of the side frame body.
  • the divided side frames are connected to the joint member by connecting bolts to form an integral structure.
  • the load transmitted through the divided portion is concentrated on the joint member, particularly the joint member provided in the flange portion. Therefore, the thickness or flange of the H-shaped steel material to which the joint member is fastened and fixed.
  • the width of the portion has to be increased to improve the mechanical strength, leading to an increase in the weight of the main frame including the side frames.
  • the passenger conveyor is provided with flange-shaped top and bottom surfaces on the side frame because of its structure, and a large compressive stress is generated in the joint member on the top surface, and a large tensile stress is applied to the joint member on the bottom surface. Has occurred.
  • connection bolt In order for the joint member in the divided portion of the top surface portion and the bottom surface portion to withstand the load caused by this stress, it is necessary to use a large-diameter connection bolt or a large number of connection bolts.
  • the main frame consisting of a pair of side frames has a limitation on the width of the top surface and bottom surface of the side frame because it needs to be sandwiched between the escalator device and the tread of the electric road.
  • the width of the joint member that connects the top surface portion and the bottom surface portion of the divided side frame is also limited, and it is difficult to apply a large-diameter connection bolt, and it is necessary to fasten with a large number of connection bolts.
  • connection bolt groups arranged in a plurality of rows a large load based on stress acts on the connection bolts arranged on both ends of the connection bolt group, and the load does not act so much on the connection bolts near the center of the connection bolt group. Therefore, there is a limit to the number of connecting bolts that receive loads effectively.
  • the load that can be supported by the side frame is limited by limiting the number of connecting bolts.
  • limited arises.
  • the load increases, which is disadvantageous for the escalator device of the station building and the deep subway.
  • An object of the present invention is to provide a passenger conveyor that can suppress the increase in the plate thickness of the side frames constituting the main frame and can connect the divided side frames.
  • a feature of the present invention is that the side portions of each divided side frame are fixed by overlapping flat plate joints, and the bottom portions of each divided side frame are attached to the flexible portion and both sides of the flexible portion.
  • the flat part of a flexible joint having a flat part positioned is overlapped and fixed, and a vertical load is borne by a flat joint.
  • a passenger conveyor that is reduced in weight and capable of connecting the divided side frames to each other while suppressing an increase in the thickness of the side frames constituting the main frame.
  • FIG. 4 is an enlarged view of a butt connection portion shown in FIG. 3.
  • FIG. 5 is a cross-sectional view showing a VV cross section of FIG. 4.
  • the present invention relates to an escalator device which is a kind of passenger conveyor, and the overall configuration is as shown in FIG.
  • step boards also called steps or steps
  • a large number of step boards (also called steps or steps) 2 are connected endlessly and circulated to transport passengers between the upper floor 3 and the lower floor 4.
  • the escalator device 1 is located on both sides in the width direction of the tread board 2, a main frame 5 installed in the building structure, a handrail 6 provided for the safety of passengers and moving in synchronization with the tread board 2.
  • the balustrade 7 is provided to support the handrail 6 and to stand along the longitudinal direction of the frame body 5.
  • the boarding / exiting floors 8 and 9, the handrail 6, the balustrade 7 and the like are supported by the main frame body 5. 8 and lower floor getting on and off 9) are fixed.
  • the main frame 5 of the escalator device 1 has an upper floor getting on / off floor 8 and a lower floor getting on / off floor 9 on which a user gets on and off, and an inclined portion 10 connecting these. Further, a drive machine 12 is installed in the upper floor machine room 11 in the upper floor getting on / off floor 8 to drive the drive sprocket 13.
  • a driven sprocket 15 is installed in the lower floor machine room 14 in the lower floor getting-on / off floor 9, and an endless chain 16 is wound between the upper and lower drive sprockets 13 and the driven sprocket 14 to drive continuously. It is supposed to be.
  • An axle 17 is connected to the chain 16 at equal intervals, and each tread plate 2 is attached to the axle 17.
  • the main frame 5 of the passenger conveyor constituting the escalator device is made of a steel plate, and a pair of left and right side frames 18 and 19 are connected by a cross beam 20 and a bottom member 21.
  • the cross section is formed in a substantially U shape.
  • the side frames 18 and 19 and the cross beam 20 and the bottom member 21 are firmly fixed by fixing bolts 22.
  • the left and right side frames 18 and 19 are obtained by bending a steel plate into a U-shaped cross section, and on the side surfaces 18A and 19A parallel to the vertical surface and on the upper side of the side surfaces 18A and 19A.
  • the top surface portions 18B and 19B are bent at a substantially right angle and located at the upper side, and the bottom surface portions 18C and 19C are bent at a substantially right angle and located below the side surface portions 18A and 19A.
  • the escalator device In general, in the escalator device, it is desired to reduce the occupied volume, that is, to reduce the cross-sectional dimension of the main frame 5. However, since the tread 2 circulates in the main frame 5.
  • the cross-sectional dimensions of the main frame 5 of the escalator apparatus that is actually used are such that the height H of the lateral side surface portions 18A and 19A is about 1 m, and the width Tu of the top surface portions 18B and 19B is about 0.1 mm.
  • the width Tb of the bottom surface portions 18C and 19C is also about 0.1 m.
  • the side surface portions 18A and 19A of the side frames 18 and 19 obtained by bending the steel plate, the top surface portions 18B and 19B, and the bottom surface portions 18C and 19C have the same plate thickness, and thus the cross-sectional areas of the side surface portions 18A and 19A. Is about 10 times the cross-sectional area of the top surface portions 18B and 19B and the bottom surface portions 18C and 19C. Actually, the cross-sectional areas of the side portions 18A and 19A are often larger.
  • the present invention makes use of this large difference in cross-sectional area to suppress the increase in the thickness of the side frames 18 and 19 that are the object of the present invention, and passengers capable of connecting the divided side frames.
  • a conveyor is provided. (This will be described later.)
  • the side frames 18 and 19 formed in this way are divided into two or more in the longitudinal direction of the side frames 18 and 19 from the viewpoint of restriction of the installation site and transportation, and are integrated at the installation site. Assembled into.
  • FIG. 3 shows one side frame 19 side by cutting the main frame 5 in the longitudinal direction. Note that the other side frame body 18 has substantially the same configuration and is not shown.
  • the divided side frames 19 are fixed and connected to each other by a joint member at the butt connection portion 23.
  • the joint member is a so-called accessory plate, and is bent in the center where the side surface portion 19A is fixed to the flat plate-shaped joint member (hereinafter referred to as a flat plate joint) 24 and the top surface portion 19B is fixed to each other.
  • FIG. 4 shows an enlarged view of the butt connecting portion shown in FIG.
  • FIG. 5 is a cross-sectional view showing the VV cross section of FIG. 4, and shows the structure on the bottom surface side.
  • the end surfaces 19D of the two divided side frame bodies 19 are butted with a predetermined distance S.
  • a rectangular plate joint 24 having a length L1 and a width W1 is applied to the side surface portion 19A of each side frame body 19 so as to overlap, and a connecting bolt 27 (a rivet is also a fixing means) near each end surface 19D.
  • a connecting bolt 27 a rivet is also a fixing means
  • it is expressed as a connection bolt including rivets in this embodiment, and the plate joint 24 and the vicinity of the end surfaces 19D of both side frame bodies 19 are firmly fixed.
  • the length direction of the plate joint 24 is defined as the longitudinal direction of the passenger conveyor in the main surface of the plate joint 24, and the width direction is orthogonal to the length direction in the main surface of the plate joint 24. It is defined as direction.
  • a flexible joint 25 having a length L2 and a width W2 having a pair of flat surface portions 25A and a square-shaped flexible portion 25B is applied to the top surface portion 19B of each side frame body 19 so as to overlap each other.
  • the connection bolt 27 firmly fixes the flat portion 25A of the flexible joint 25 and the vicinity of the end surfaces 19D of both side frames 19 to each other.
  • the length direction of the flexible joint 25 is defined as the longitudinal direction of the passenger conveyor within the main surface of the flat portion 25A of the flexible joint 25, and the width direction is within the main surface of the flat portion 25A of the flexible joint 25. In the direction perpendicular to the length direction.
  • the width W2 is not shown because it is a dimension perpendicular to the paper surface.
  • the size of the width W2 is usually less than or equal to the width W4 of the inner surface of the top surface portion 19B obtained by subtracting the thickness of the side surface portion 19A from the width Tu of the outer surface of the top surface portion 19B, but is not limited to this. Absent.
  • a flexible joint 26 having a length L3 and a width W3 having a pair of flat portions 26A and a square-shaped bent portion 26B is applied to the bottom surface portion 19C of each side frame 19 so as to overlap each other.
  • the connection bolt 27 fixes the flexible joint 26 and the vicinity of the end faces 19D of both side frames 19 firmly.
  • the length direction of the flexible joint 26 is defined as the longitudinal direction of the passenger conveyor in the main surface of the flat portion 26A of the flexible joint 26, and the width direction is within the main surface of the flat portion 26A of the flexible joint 26. In the direction perpendicular to the length direction.
  • the width W3 is not shown because it is a dimension perpendicular to the paper surface.
  • the size of the width W3 is usually less than or equal to the width W4 of the inner surface of the bottom surface portion 19C obtained by subtracting the thickness of the side surface portion 19A from the width Tb of the outer surface of the bottom surface portion 19C, but is not limited to this. Absent. As will be described later, the width W3 may be larger than the width W4 (see FIG. 5) for another reason.
  • the size of the flat joint 24 and the number of connecting bolts are determined so as to withstand the maximum design load acting on the main frame 5.
  • the load in the vertical direction is largely borne by the plate joint 24, thereby reducing the influence of the vertical load on the flexible joints 25 and 26.
  • the width W1 of the flat joint 24 is increased to increase the overlapping portion with the side surface portion 19A and the number of the connecting bolts 27 is increased, the load applied to these connecting bolts 27 can be dispersed. The load applied to can be reduced.
  • the plate joint 24 can be increased accordingly.
  • the divided side frames 19 can be connected without increasing the plate thickness.
  • the flexible joints 25 and 26 provided on the top surface portion 19B and the bottom surface portion 19C are deformed so as to be bent by the flexible portions 25B and 26B when a compressive stress generated near the top surface portion 19B or a tensile stress generated near the bottom surface portion 19C is applied. Therefore, the rigidity per unit width is smaller (lower) than that of the flat plate joint 24. Therefore, when a large load is applied to the main frame body 5, the flexible joints 25 and 26 are bent, but the load is received by the flat joint 24.
  • the top surface portion 19B side of the plate joint 24 contracts in the longitudinal direction of the side frame body 19 and the bottom surface portion 19C side in the longitudinal direction of the side frame body 19. Elongate. That is, stress is generated in this portion.
  • the top surface portion 19C when the top surface portion 19C is contracted, the angle of the rectangular portion of the flexible portion 25B of the flexible joint 25 is deformed, and as a result, the rigidity per unit width is smaller (lower) than that of the flat joint 24. . Accordingly, even if a load is applied to the top surface portion 19B, the bending portion 25B of the bending joint 25 is deformed, and the flat joint 24 fixed to the side surface portion 19A is settled in a load distribution state in which the load is applied.
  • the load on the connecting bolt 27 for fixing the flexible joint 26 can be reduced, and the bottom surface portion 19C It is not necessary to increase the thickness and width, and the problem of weight increase does not occur (in contrast, the rigidity per unit width as in the flexible joint 26 is not small (low) in the bottom surface portion 19C.
  • a joint having a rigidity per unit width equal to or greater than that of the flat plate joint 24 is used, a problem arises that a large load is applied to the connecting bolt 27 that fixes the joint of the bottom surface portion 19C.
  • the size of the side surface portion 19A is considerably larger than the top surface portion 19B and the bottom surface portion 19C, so this can be dealt with by increasing the number of connecting bolts 27. Is possible.
  • the flexible joints 25 and 26 are attached to both the top surface portion 19B and the bottom surface portion 19C, but basically, it may be attached to the bottom surface portion 19C to which tensile stress is applied.
  • a lateral load may be applied by an external force such as an earthquake.
  • a structure in which the top surface portion 19B and / or the bottom surface portion 19C of the side frame body 19 resists the lateral load may be configured, and the width W3 of the flexible joint 26 of each of the side frame body 18 and the side frame body 19 is sufficient. It is also possible to employ a structure (shared flexible joint 28) that also functions to connect the side frame body 18 and the side frame body 19 to each other. Since the lateral load can be received by the cross beam 20 and the bottom member 21 in FIG. 2, if the cross beam 20 and the bottom member 21 have sufficient lateral strength, the common flexible joint 28 is not used. Independent bending joints 26 may be provided for each of the side frame 18 and the side frame 19.
  • a flat surface portion 28A of a common flexible joint 28 formed integrally with the bottom surface portion 18C of the side frame body 18 and the bottom surface portion 19C of the side frame body 19 has a bottom surface portion 18C, a bottom surface portion 19C and a connecting bolt. 27 is firmly tightened and fixed.
  • the common flexure joint 28 has a quadrangular flexure section 28B as shown in FIG. 4, and has the same function as the flexure joint 26 described in FIG.
  • the lateral rigidity is improved so as to withstand even if a large lateral load is applied.
  • the common flexible joint 28 is provided on the top surface portions 18B and 19B, the treads interfere with each other. Therefore, the common flexible joint 28 is provided only on the bottom surface portions 18C and 19C (that is, the flexible joint 25 is similar to the common flexible joint 28). Not structure).
  • FIGS. 6 to 8 show the shape of the common flexible joint 28.
  • FIG. 6 shows the common flexible joint used in FIG. 5, and the plane portion 28A and the cross section are rectangular (however, the side connected to the plane portion 28A). (Not shown) is provided.
  • the two independent flexible joints 26 may be connected by another member to form a common flexible joint 28.
  • the common flexible joint 29 shown in FIG. 7 is provided with a flat portion 29A and a flexible portion 29B having a triangular cross section (however, a side portion connected to the flat portion 29A is omitted).
  • the common flexible joint 30 shown in FIG. 8 is provided with a flat portion 30A and a flexible portion 30B having a cross-section protruding outwards in an arc shape (however, the side portion connected to the flat portion 29A is omitted). ing.
  • both the flexible joint 29 and the flexible joint 30 have the same functions and operations as the common flexible joint 28 shown in FIG.
  • the common flexible joints shown in FIGS. 6 to 8 may be used in combination.
  • the shapes of the flexible portions 25B and 26B of the normal flexible joints 25 and 26 that do not have a function of connecting the side frame body 18 and the side frame body 19 to each other are triangular as shown in FIGS. You may make it like the bending part 29B and the bending part 30B whose cross section is circular arc shape.
  • the flexible joint 26 having the flexible portion 26B is used as means for setting the rigidity per unit width of the flat joint 24 in the side surface portion 19A to be larger than the rigidity per unit width of the joint in the bottom surface portion 19C.
  • the present invention is not limited to this, and by making at least one of the material and the plate thickness as a joint in the bottom surface portion 19C different from the flat joint 24, the rigidity per unit width of the flat joint 24 in the side surface portion 19A is larger than the rigidity per unit width.
  • a joint having a small rigidity may be used. In that case, it is also possible to use a flat plate joint without a bending part as a joint in the bottom face part 19C.
  • the present invention it is possible to suppress the increase in the plate thickness of the side frames constituting the main frame, and to provide a passenger conveyor capable of connecting the divided side frames. it can.

Landscapes

  • Escalators And Moving Walkways (AREA)

Abstract

Dans la disposition de boulons de liaison appliqués à un raccord pour relier un corps de bâti latéral, une charge importante affecte les boulons de liaison disposés à l'une ou l'autre extrémité du raccord, et le nombre de boulons de liaison pour supporter efficacement la charge est limité. Une épaisseur de plaque accrue du corps de bâti latéral, ou de l'élément de raccord, etc., pour cette raison, et une augmentation de la charge de support par boulon de liaison unique par agrandissement du diamètre du boulon de liaison provoquent une augmentation de poids, ce qui n'est pas optimal. A cet effet, selon la présente invention, des parties de surface latérale fendues respectives du corps de bâti latéral sont fixées par superposition d'un raccord en forme de plaque plate, les parties de surface inférieure fendues respectives du corps de bâti latéral sont fixées par superposition d'une partie plane d'un raccord souple ayant une partie souple et de la partie plane positionnée de chaque côté de la partie souple, et une charge de direction verticale est supportée par le raccord en forme de plaque plate.
PCT/JP2011/077628 2011-11-30 2011-11-30 Transporteur de passagers WO2013080323A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201180075181.9A CN103958387B (zh) 2011-11-30 2011-11-30 乘客传送设备
JP2013546897A JP5779255B2 (ja) 2011-11-30 2011-11-30 乗客コンベア
PCT/JP2011/077628 WO2013080323A1 (fr) 2011-11-30 2011-11-30 Transporteur de passagers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/077628 WO2013080323A1 (fr) 2011-11-30 2011-11-30 Transporteur de passagers

Publications (1)

Publication Number Publication Date
WO2013080323A1 true WO2013080323A1 (fr) 2013-06-06

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Application Number Title Priority Date Filing Date
PCT/JP2011/077628 WO2013080323A1 (fr) 2011-11-30 2011-11-30 Transporteur de passagers

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JP (1) JP5779255B2 (fr)
CN (1) CN103958387B (fr)
WO (1) WO2013080323A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104003281A (zh) * 2014-06-11 2014-08-27 日立电梯（广州）自动扶梯有限公司 自动扶梯桁架的驳接结构
JP6367408B1 (ja) * 2017-03-10 2018-08-01 東芝エレベータ株式会社 乗客コンベア

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5995824B2 (ja) * 2013-12-02 2016-09-21 三菱電機株式会社 乗客コンベヤの筐体

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52112984A (en) * 1976-03-19 1977-09-21 Hitachi Ltd Main frame joint for man conveyor
JPS52137880A (en) * 1976-05-12 1977-11-17 Hitachi Ltd Main frame for man conveyor
JPS5749473B2 (fr) * 1977-08-12 1982-10-22
JPS5751265Y2 (fr) * 1976-09-10 1982-11-09
JPH042187U (fr) * 1990-04-18 1992-01-09

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0442187U (fr) * 1990-08-08 1992-04-09
JP5143760B2 (ja) * 2009-01-29 2013-02-13 株式会社日立製作所 乗客コンベア
JP4921532B2 (ja) * 2009-09-30 2012-04-25 株式会社日立製作所 乗客コンベアの主枠

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52112984A (en) * 1976-03-19 1977-09-21 Hitachi Ltd Main frame joint for man conveyor
JPS52137880A (en) * 1976-05-12 1977-11-17 Hitachi Ltd Main frame for man conveyor
JPS5751265Y2 (fr) * 1976-09-10 1982-11-09
JPS5749473B2 (fr) * 1977-08-12 1982-10-22
JPH042187U (fr) * 1990-04-18 1992-01-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104003281A (zh) * 2014-06-11 2014-08-27 日立电梯（广州）自动扶梯有限公司 自动扶梯桁架的驳接结构
JP6367408B1 (ja) * 2017-03-10 2018-08-01 東芝エレベータ株式会社 乗客コンベア

Also Published As

Publication number Publication date
CN103958387A (zh) 2014-07-30
CN103958387B (zh) 2016-03-02
JP5779255B2 (ja) 2015-09-16
JPWO2013080323A1 (ja) 2015-04-27

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