WO2022044213A1 - ベルト、その製造方法、及びエレベーター - Google Patents

ベルト、その製造方法、及びエレベーター Download PDF

Info

Publication number
WO2022044213A1
WO2022044213A1 PCT/JP2020/032417 JP2020032417W WO2022044213A1 WO 2022044213 A1 WO2022044213 A1 WO 2022044213A1 JP 2020032417 W JP2020032417 W JP 2020032417W WO 2022044213 A1 WO2022044213 A1 WO 2022044213A1
Authority
WO
WIPO (PCT)
Prior art keywords
belt
core
strand
rope
layer
Prior art date
Application number
PCT/JP2020/032417
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
晋也 内藤
政彦 肥田
豊弘 野口
Original Assignee
三菱電機株式会社
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.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2022545164A priority Critical patent/JP7357803B2/ja
Priority to CN202080103308.2A priority patent/CN115956059A/zh
Priority to PCT/JP2020/032417 priority patent/WO2022044213A1/ja
Priority to KR1020237005402A priority patent/KR20230039708A/ko
Priority to DE112020007544.3T priority patent/DE112020007544T5/de
Publication of WO2022044213A1 publication Critical patent/WO2022044213A1/ja

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts

Definitions

  • This disclosure relates to belts, their manufacturing methods, and elevators.
  • the rope of the conventional hoist has a load support part and a polymer layer.
  • the outer periphery of the load supporting portion is covered with a polymer layer.
  • the load bearing is made of a composite material.
  • the composite material contains a plurality of reinforcing fibers and a polymer matrix. Further, the plurality of reinforcing fibers are oriented parallel to the longitudinal direction of the rope. Further, the plurality of reinforcing fibers are bonded to each other by a polymer matrix (see, for example, Patent Document 1).
  • the belt for the conventional elevator system has a plurality of tension members.
  • Each tension member has a core member, a plurality of overlapping members, and a jacket material.
  • the core member is composed of a plurality of load-bearing fibers (see, for example, Patent Document 2).
  • the polymer layer is simply coated on the outer periphery of the load bearing portion, and the reinforcing fibers are not binding to each other. Therefore, when the diameter of the load supporting portion becomes large, it is difficult for the load to be transmitted to the vicinity of the center of the load supporting portion, and it is difficult to evenly distribute the load to all the reinforcing fibers.
  • the present disclosure has been made to solve the above-mentioned problems, and an object of the present invention is to obtain a belt capable of more evenly distributing a load to a high-strength fiber bundle, a manufacturing method thereof, and an elevator. ..
  • the belt according to the present disclosure includes a plurality of rope bodies arranged at intervals in the width direction and a rope covering covering the plurality of rope bodies when viewed in a cross section perpendicular to the longitudinal direction.
  • Each of the plurality of rope bodies has a core rope, and each core rope is provided on a core fiber bundle composed of one or a plurality of twisted high-strength fiber bundles and on the outer periphery of the core fiber bundle. It has a plurality of steel core wire members.
  • the load can be distributed more evenly to the high-strength fiber bundle.
  • FIG. It is a perspective view which shows the elevator by Embodiment 1.
  • FIG. It is sectional drawing of the belt of FIG. It is sectional drawing of the contact part between the drive sheave and a belt of FIG. It is sectional drawing which shows the deformation example of the mountain part of FIG. It is sectional drawing of the belt by Embodiment 2.
  • FIG. It is sectional drawing which shows the rope body of FIG. 5 enlarged.
  • FIG. It is sectional drawing which shows the rope body of FIG. 7 enlarged.
  • FIG. It is sectional drawing of the belt by Embodiment 4.
  • FIG. It is sectional drawing which shows the rope body of FIG. 9 enlarged. It is sectional drawing of the belt by Embodiment 5.
  • FIG. It is sectional drawing of the belt of FIG. It is sectional drawing of the contact part between the drive sheave and a belt of FIG. It is sectional drawing which shows the deformation example of the mountain part of FIG. It is sectional drawing of the belt by Embodiment 2.
  • FIG. 11 is an enlarged cross-sectional view showing the rope body of the belt according to the eleventh embodiment.
  • FIG. 5 is an enlarged cross-sectional view showing a rope body of a belt according to a twelfth embodiment. It is a side view which shows by exposing each of the plurality of layers constituting the rope body of FIG.
  • FIG. 5 is an enlarged cross-sectional view showing a rope body of a belt according to a fourteenth embodiment.
  • FIG. 5 is an enlarged cross-sectional view showing a rope body of a belt according to the fifteenth embodiment.
  • FIG. 5 is an enlarged cross-sectional view showing a rope body of a belt according to a sixteenth embodiment.
  • FIG. 5 is an enlarged cross-sectional view showing a rope body of a belt according to the seventeenth embodiment. It is sectional drawing of the belt by Embodiment 18.
  • FIG. It is sectional drawing of the belt according to Embodiment 19.
  • FIG. 1 is a perspective view showing an elevator according to the first embodiment.
  • a machine room 2 is provided above the hoistway 1.
  • a hoisting machine 3 and a deflecting wheel 6 are installed in the machine room 2.
  • the hoisting machine 3 has a hoisting machine main body 4 and a cylindrical drive sheave 5.
  • the hoisting machine main body 4 has a hoisting machine motor (not shown) and a hoisting machine brake (not shown).
  • the hoist motor rotates the drive sheave 5.
  • the hoist brake keeps the drive sheave 5 stationary. Further, the hoist brake brakes the rotation of the drive sheave 5.
  • the drive sheave 5 rotates around a horizontal rotation axis.
  • Two or more belts 7 are wound around the drive sheave 5 and the deflecting wheel 6.
  • FIG. 1 shows only one belt 7.
  • the two or more belts 7 are arranged so as to be spaced apart from each other in the axial direction of the drive sheave 5.
  • a car 8 is connected to the first end of the belt 7 in the longitudinal direction.
  • a balance weight 9 is connected to the second end of the belt 7 in the longitudinal direction.
  • the car 8 and the counterweight 9 are suspended in the hoistway 1 by the belt 7. That is, the belt 7 functions as a suspension body. Further, the car 8 and the balance weight 9 move up and down in the hoistway 1 by rotating the drive sheave 5.
  • a first car guide rail 10a, a second car guide rail 10b, a first balanced weight guide rail (not shown), and a second balanced weight guide rail (not shown) are installed.
  • the first car guide rail 10a and the second car guide rail 10b guide the car 8 to move up and down.
  • the first balanced weight guide rail and the second balanced weight guide rail guide the ascending and descending of the balanced weight 9.
  • a compensating body 11 is suspended between the lower part of the basket 8 and the lower part of the balance weight 9.
  • the compensating body 11 compensates for the influence of the change in the weight balance of the belt 7 due to the movement of the car 8.
  • a flexible string-shaped member such as a rope or a chain is used as the compensating body 11.
  • FIG. 2 is a cross-sectional view of the belt 7 of FIG. 1, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • the thickness direction dimension of the belt 7 is smaller than the width direction dimension of the belt 7.
  • the thickness direction of the belt 7 is a direction parallel to the X axis of FIG.
  • the width direction of the belt 7 is a direction parallel to the Y axis of FIG.
  • the longitudinal direction of the belt 7 is a direction parallel to the Z axis of FIG.
  • the belt 7 When looking at the cross section perpendicular to the longitudinal direction of the belt 7, the belt 7 has a plurality of rope bodies 21 and a resin rope covering body 22.
  • 10 rope bodies 21 are used.
  • the plurality of rope bodies 21 are arranged at equal intervals in the width direction of the belt 7.
  • the plurality of rope bodies 21 function as strength members.
  • the rope covering body 22 covers the entire group consisting of all the rope bodies 21. That is, the plurality of rope bodies 21 are integrated by the rope covering body 22.
  • Elastomer is used as the material of the rope covering body 22. Further, as the elastomer, an ether-based thermoplastic polyurethane elastomer is preferable from the viewpoint of high friction resistance, wear resistance, and hydrolysis resistance.
  • the rope covering 22 may contain a flame retardant. Thereby, the rope covering body 22 can be made flame-retardant.
  • the plurality of rope bodies 21 are arranged along the longitudinal direction of the belt 7, respectively. That is, the longitudinal direction of each rope body 21 is the longitudinal direction of the belt 7. Further, each of the plurality of rope bodies 21 has a core rope 23. Each rope body 21 of the first embodiment is composed of only the core rope 23.
  • Each core rope 23 has a core fiber bundle 24 and a plurality of steel core wire members 25.
  • the cross section of each core fiber bundle 24, which is perpendicular to the longitudinal direction of the rope body 21, has a circular shape.
  • the core fiber bundle 24 is composed of one or a plurality of twisted high-strength fiber bundles.
  • Each high-strength fiber bundle is composed of a plurality of high-strength fiber filaments twisted together.
  • one or more fibers selected from the group consisting of carbon fiber, glass fiber, PBO (polyparaphenylene benzoxazole) fiber, aramid fiber, polyallylate fiber, and basalt fiber are used. ing.
  • a plurality of core wire members 25 are provided on the outer periphery of the core fiber bundle 24. Further, the plurality of core wire members 25 are twisted around the outer periphery of the core fiber bundle 24. In FIG. 2, 12 core wire members 25 are used. As each core wire member 25, one steel wire, that is, a steel wire is used. The diameter of each core wire member 25 is smaller than the diameter of the core fiber bundle 24.
  • FIG. 3 is a cross-sectional view of a contact portion between the drive sheave 5 and the belt 7 of FIG.
  • Two or more belts 7 are wound around the outer circumference of the drive sheave 5 at intervals in the axial direction of the drive sheave 5.
  • the axial direction of the drive sheave 5 is the left-right direction in FIG. However, in FIG. 3, only one belt 7 is shown. Further, in FIG. 3, the internal structure of the belt 7 is omitted.
  • the same number of belt grooves 5a as the number of belts 7 are formed on the outer circumference of the drive sheave 5. Each belt 7 is inserted into the corresponding belt groove 5a.
  • the diameter of the portion of the drive sheave 5 in contact with each belt 7 is changed so that the central portion of the belt 7 in the width direction protrudes radially outward of the drive sheave 5 from both ends in the width direction of the belt 7. .. That is, a mountain portion 5b, a so-called crown, is formed on the bottom surface of each belt groove 5a.
  • the radial direction of the drive sheave 5 is the vertical direction in FIG.
  • FIG. 4 is a cross-sectional view showing a modified example of the mountain portion 5b of FIG.
  • the cross section of the surface of the mountain portion 5b is a gentle arcuate curve.
  • the cross section of the surface of the mountain portion 5b is trapezoidal, that is, a combination of three straight lines.
  • the core fiber bundle 24 is radially restrained by a plurality of core wire members 25. Therefore, the load can be more evenly distributed to the high-strength fiber bundles constituting the core fiber bundle 24.
  • each core fiber bundle 24 is composed of a high-strength fiber bundle, the weight and strength of the belt 7 can be reduced, and the belt 7 having a high mass ratio strength can be realized.
  • the belt 7 of the first embodiment can be applied to an elevator in which the ascending / descending stroke of the car 8 is 75 meters or more.
  • the diameter of the drive sheave 5 can be reduced.
  • the diameter of the drive sheave 5 may be 40 times or less the maximum diameter of the plurality of rope bodies 21.
  • the diameters of the plurality of rope bodies 21 are the same, and it can be said that the diameter of each rope body 21 is the maximum diameter.
  • the mass of the compensating body 11 can be reduced.
  • the mass of the compensating body 11 can be reduced to 1/2 or less of the total weight of all belts 7. Further, depending on the ascending / descending stroke of the car 8, the compensating body 11 can be completely removed.
  • each core wire member 25 is composed of one strand, the belt 7 can be easily manufactured.
  • each belt groove 5a since the mountain portion 5b is provided on the bottom surface of each belt groove 5a, it is possible to suppress the positional deviation of each belt 7 in the axial direction of the drive sheave 5.
  • the method for manufacturing the belt 7 of the first embodiment includes a step of continuously covering all the rope bodies 21 with the rope covering body 22 in a state where uniform tension is applied to all the rope bodies 21.
  • FIG. 5 is a cross-sectional view of the belt 7 according to the second embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • Each core rope 23 of the second embodiment has a core fiber bundle 24 and a plurality of steel core strands 26 as a plurality of core wire members.
  • a plurality of core strands 26 are provided on the outer periphery of the core fiber bundle 24. Further, the plurality of core strands 26 are twisted around the outer periphery of the core fiber bundle 24. In FIG. 5, 12 core strands 26 are used. The diameter of each core strand 26 is smaller than the diameter of the core fiber bundle 24.
  • FIG. 6 is an enlarged cross-sectional view of the rope body 21 of FIG.
  • Each core strand 26 contains a plurality of steel core strands 27 twisted together. Specifically, each core strand 26 has one central core strand and six outer core strands.
  • the central core wire is the core wire 27 arranged at the center of the core strand 26.
  • Each outer peripheral core wire is a core wire 27 twisted around the outer circumference of the central core wire.
  • the diameters of all the core wires 27 are the same as each other.
  • the configuration of the other belts 7 is the same as that of the first embodiment, except that a plurality of core strands 26 are used instead of the plurality of core wire members 25. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the core wire member 25 of the first embodiment and the core strand 26 of the second embodiment may be mixed on the outer periphery of the core fiber bundle 24.
  • FIG. 7 is a cross-sectional view of the belt 7 according to the third embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • Each rope body 21 of the third embodiment has a core rope 23, a first outer peripheral fiber layer 28, and a first strand layer 29.
  • the core rope 23 of the third embodiment has a core fiber bundle 24 and six core strands 26.
  • the six core strands 26 are twisted around the outer circumference of the core fiber bundle 24.
  • the diameter of each core strand 26 is the same as or substantially the same as the diameter of the core fiber bundle 24.
  • the first outer peripheral fiber layer 28 is provided on the outer periphery of the core rope 23.
  • the first outer peripheral fiber layer 28 is composed of a high-strength fiber bundle similar to the core fiber bundle 24.
  • the cross-sectional shape of the first outer peripheral fiber layer 28 perpendicular to the longitudinal direction of the rope body 21 is an annular shape.
  • the first strand layer 29 is provided on the outer periphery of the first outer peripheral fiber layer 28. Further, the first strand layer 29 has a plurality of first outer layer strands 30. The plurality of first outer layer strands 30 are twisted around the outer periphery of the first outer peripheral fiber layer 28. In FIG. 7, 20 first outer layer strands 30 are used. That is, the number of the first outer layer strands 30 is larger than the number of the core strands 26.
  • FIG. 8 is an enlarged cross-sectional view of the rope body 21 of FIG. 7.
  • Each first outer layer strand 30 contains a plurality of steel first outer layer strands 31 twisted together. Specifically, each first outer layer strand 30 has one first central strand and six first outer peripheral strands.
  • the first central wire is the first outer layer wire 31 arranged at the center of the first outer layer strand 30.
  • Each first outer peripheral wire is a first outer layer wire 31 twisted around the outer circumference of the first center wire.
  • the diameters of all the first outer layer strands 31 are the same as each other.
  • each first outer layer wire 31 is the same as the diameter of each core wire 27.
  • the diameter of each first outer layer strand 30 is the same as the diameter of each core strand 26. That is, in this example, the same steel strand as each core strand 26 is used as each first outer layer strand 30.
  • the configuration of the other belts 7 is the same as that of the second embodiment, except that the first outer peripheral fiber layer 28 and the first strand layer 29 are provided on the outside of the core rope 23. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the core fiber bundle 24 is constrained in the radial direction by the plurality of core strands 26.
  • the first outer peripheral fiber layer 28 is constrained in the radial direction by the plurality of first outer layer strands 30. Therefore, even if the diameter of each rope body 21 is increased, the load can be more evenly distributed to the high-strength fiber bundles contained in the rope body 21.
  • FIG. 9 is a cross-sectional view of the belt 7 according to the fourth embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • Each rope body 21 of the fourth embodiment has a core rope 23, a first outer peripheral fiber layer 28, a first strand layer 29, a second outer peripheral fiber layer 32, and a second strand layer 33.
  • the second outer peripheral fiber layer 32 is provided on the outer periphery of the first strand layer 29.
  • the second outer peripheral fiber layer 32 is composed of a high-strength fiber bundle similar to the core fiber bundle 24.
  • the cross-sectional shape of the second outer peripheral fiber layer 32 perpendicular to the longitudinal direction of the rope body 21 is an annular shape.
  • the second strand layer 33 is provided on the outer periphery of the second outer peripheral fiber layer 32. Further, the second strand layer 33 has a plurality of second outer layer strands 34. The plurality of second outer layer strands 34 are twisted around the outer periphery of the second outer peripheral fiber layer 32. In FIG. 9, 32 second outer layer strands 34 are used. That is, the number of the second outer layer strands 34 is larger than the number of the first outer layer strands 30.
  • FIG. 10 is an enlarged cross-sectional view of the rope body 21 of FIG.
  • Each second outer layer strand 34 contains a plurality of steel second outer layer strands 35 twisted together. Specifically, each second outer layer strand 34 has one second center strand and six second outer peripheral strands.
  • the second central strand is the second outer layer strand 35 arranged at the center of the second outer layer strand 34.
  • Each second outer peripheral wire is a second outer layer wire 35 twisted around the outer circumference of the second center wire.
  • the diameters of all the second outer layer strands 35 are the same as each other.
  • each second outer layer wire 35 is the same as the diameter of each core wire 27, and is the same as the diameter of each first outer layer wire 31.
  • the diameter of each second outer layer strand 34 is the same as the diameter of each core strand 26, and is the same as the diameter of each first outer layer strand 30. That is, in this example, the same steel strands as the core strands 26 and the first outer layer strands 30 are used as the second outer layer strands 34.
  • the configuration of the other belt 7 is the same as that of the third embodiment, except that the second outer peripheral fiber layer 32 and the second strand layer 33 are provided on the outside of the first strand layer 29. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the second outer peripheral fiber layer 32 is constrained in the radial direction by the plurality of second outer layer strands 34. Therefore, even if the diameter of each rope body 21 is further increased, the load can be more evenly distributed to the high-strength fiber bundles contained in the rope body 21.
  • steel strands having different structures and diameters may be used.
  • three or more layers of high-strength fiber bundles and three or more layers of strands may be provided on the outside of the core rope 23.
  • FIG. 11 is a cross-sectional view of the belt 7 according to the fifth embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • a steel centerline member 36 is provided at the center of each core fiber bundle 24.
  • As each center line member 36 one steel wire, that is, a steel wire is used.
  • Each center line member 36 is continuously arranged along the longitudinal direction of the rope body 21.
  • Each core rope 23 of the fifth embodiment has a core fiber bundle 24, a plurality of core wire members 25, and a center wire member 36.
  • the same steel wire as each core wire member 25 is used as the center wire member 36.
  • the configuration of the other belts 7 is the same as that of the first embodiment, except that the center line member 36 is provided at the center of each core fiber bundle 24. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the center line member 36 is provided at the center of each core fiber bundle 24, when the core fiber bundle 24 is formed, the core fiber bundle 24 is centered around the center line member 36 and around the center line member 36. Can be placed. Thereby, the cross-sectional shape of the core fiber bundle 24 can be easily made circular, and the cross-sectional shape of the rope body 21 can be easily made circular.
  • the center wire member 36 may be a steel wire having a diameter different from that of each core wire member 25.
  • FIG. 12 is a cross-sectional view of the belt 7 according to the sixth embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • the belt 7 of the sixth embodiment is the same as the belt 7 of the second embodiment except that the center line member 36 is provided at the center of each core fiber bundle 24.
  • Each center line member 36 is the same as the center line member 36 of the fifth embodiment.
  • the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the flexibility of the belt 7 can be further enhanced.
  • FIG. 13 is a cross-sectional view of the belt 7 according to the seventh embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • a steel center strand 37 as a center line member is provided at the center of each core fiber bundle 24 of the seventh embodiment.
  • Each central strand 37 is continuously arranged along the longitudinal direction of the rope body 21.
  • FIG. 14 is an enlarged cross-sectional view of the rope body 21 of FIG.
  • Each central strand 37 contains a plurality of steel central strand strands 38 twisted together. Specifically, each central strand 37 has one third central strand and six third outer peripheral strands.
  • the third central strand is the central strand strand 38 arranged at the center of the central strand 37.
  • Each third outer peripheral wire is a central strand wire 38 twisted around the outer circumference of the third center wire.
  • the diameters of all the central strand strands 38 are the same as each other.
  • each central strand wire 38 is the same as the diameter of each core wire 27.
  • the diameter of each center strand 37 is the same as the diameter of each core strand 26. That is, in this example, the same steel strand as each core strand 26 is used as each center strand 37.
  • the belt 7 of the seventh embodiment is the same as the belt 7 of the sixth embodiment except that the central strand 37 is provided at the center of each core fiber bundle 24. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • center strand 37 is used instead of the center line member 36 made of steel wire, the flexibility of the belt 7 can be further enhanced.
  • FIG. 15 is a cross-sectional view of the belt 7 according to the eighth embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • the same central strand 37 as that of the seventh embodiment is provided at the center of the core fiber bundle 24 of the third embodiment.
  • Each central strand 37 is continuously arranged along the longitudinal direction of the rope body 21.
  • each core rope 23 of the eighth embodiment twelve core strands 26 are used. Further, in the first strand layer 29 of the eighth embodiment, 24 first outer layer strands 30 are used.
  • the structure of the belt 7 is the same as that of the third embodiment except that the central strand 37 is provided at the center of each core fiber bundle 24, the number of core strands 26, and the number of the first outer layer strands 30. .. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the core fiber bundle 24 when forming the core fiber bundle 24, can be arranged around the central strand 37 with the central strand 37 as the center. Thereby, the cross-sectional shape of the core fiber bundle 24 can be easily made circular, and the cross-sectional shape of the rope body 21 can be easily made circular.
  • center strand 37 is used as each center line member, the flexibility of the belt 7 can be further enhanced.
  • FIG. 16 is a cross-sectional view of the belt 7 according to the ninth embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • the same central strand 37 as that of the seventh embodiment is provided at the center of the core fiber bundle 24 of the fourth embodiment.
  • Each central strand 37 is continuously arranged along the longitudinal direction of the rope body 21.
  • each core rope 23 of the ninth embodiment eight core strands 26 are used. Further, in the second strand layer 33 of the ninth embodiment, 28 second outer layer strands 34 are used.
  • the structure of the belt 7 is the same as that of the fourth embodiment except that the central strand 37 is provided at the center of each core fiber bundle 24, the number of core strands 26, and the number of the second outer layer strands 34. .. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the core fiber bundle 24 when forming the core fiber bundle 24, can be arranged around the central strand 37 with the central strand 37 as the center. Thereby, the cross-sectional shape of the core fiber bundle 24 can be easily made circular, and the cross-sectional shape of the rope body 21 can be easily made circular.
  • center strand 37 is used as each center line member, the flexibility of the belt 7 can be further enhanced.
  • a layer of three or more layers of high-strength fiber bundles and a layer of three or more strands may be provided.
  • FIG. 17 is a cross-sectional view of the belt 7 according to the tenth embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • the core resin layer 39 is interposed between the core fiber bundle 24 and the layers of the plurality of core wire members 25.
  • a resin having high wear resistance and low friction resistance for example, polyethylene or polypropylene is used.
  • the structure of the belt 7 is the same as that of the first embodiment, except that the core resin layer 39 is provided on the outer periphery of the core fiber bundle 24. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the core resin layer 39 is provided at the boundary between the core fiber bundle 24 and the layers of the plurality of core wire members 25, the core fiber bundle 24 is worn due to contact with the plurality of core wire members 25. Can be suppressed.
  • the core resin layer 39 may be provided on the outer periphery of the core fiber bundle 24.
  • the first outer peripheral resin layer similar to the core resin layer 39 may be provided on the outer periphery of the first outer peripheral fiber layer 28.
  • a second outer peripheral resin layer similar to the core resin layer 39 may be provided on the outer periphery of the second outer peripheral fiber layer 32.
  • FIG. 18 is an enlarged cross-sectional view showing the rope body 21 of the belt 7 according to the eleventh embodiment.
  • the cross section of the entire belt 7 is the same as that shown in FIG.
  • a central fiber core 40 is provided at the center of each central strand 37 of the eleventh embodiment. Further, a strand fiber core 41 is provided at the center of each core strand 26. Each center fiber core 40 and each strand fiber core 41 are each composed of a high-strength fiber bundle similar to the core fiber bundle 24.
  • Each central strand 37 has a central fiber core 40 and six central strand strands 38.
  • the six central strand strands 38 are twisted around the outer periphery of the central fiber core 40.
  • Each core strand 26 has a strand fiber core 41 and six core strands 27.
  • the six core strands 27 are twisted around the outer periphery of the strand fiber core 41.
  • the configuration of the belt 7 is the same as that of the seventh embodiment. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • a central fiber core 40 is provided at the center of each central strand 37. Further, a strand fiber core 41 is provided at the center of each core strand 26. Therefore, the weight of the belt 7 can be reduced. In addition, the mass ratio strength can be improved.
  • the strand fiber core 41 does not necessarily have to be provided on all core strands 26. That is, the strand fiber core 41 may be provided on at least one core strand 26.
  • the strand fiber core 41 may be provided at the center of at least one core strand 26.
  • a first outer layer fiber core composed of a high-strength fiber bundle may be provided at the center of at least one first outer layer strand 30.
  • a second outer layer fiber core composed of a high-strength fiber bundle may be provided at the center of at least one second outer layer strand 34.
  • the central fiber core 40 may be provided at the center of the central strand 37.
  • a core resin layer similar to the core resin layer 39 of the tenth embodiment is interposed between the resin layer and the layers of a plurality of strands around the resin layer. May be good. As a result, wear of the fiber core can be suppressed.
  • FIG. 19 is an enlarged cross-sectional view showing the rope body 21 of the belt 7 according to the twelfth embodiment.
  • the cross section of the entire belt 7 is almost the same as that shown in FIG.
  • each core rope 23 of the twelfth embodiment twelve core strands 26 are used. In each first strand layer 29, eight first outer layer strands 30 are used. The diameter of each core strand 26 is smaller than the diameter of each first outer layer strand 30. The number of core strands 26 is larger than the number of first outer layer strands 30.
  • Each first outer layer strand 30 is composed of 19 first outer layer strands 31. Specifically, each first outer layer strand 30 has one first central strand, nine first intermediate strands, and nine first outer peripheral strands.
  • the first central wire is the first outer layer wire 31 arranged at the center of the first outer layer strand 30.
  • Each first intermediate wire is a first outer layer wire 31 twisted around the outer circumference of the first center wire.
  • Each first outer peripheral wire is a first outer layer wire 31 twisted around the outer periphery of a layer of nine first intermediate wires.
  • each first intermediate wire is smaller than the diameter of the first central wire and smaller than the diameter of the first outer peripheral wire.
  • the diameter of all the core strands 27 is smaller than the diameter of any of the first outer layer strands 31.
  • the high-strength fiber bundle constituting the core fiber bundle 24 and the high-strength fiber bundle constituting the first outer peripheral fiber layer 28 are each composed of a plurality of yarns 50 bundled together.
  • the diameter of each yarn 50 is about 1 mm.
  • FIG. 20 is a side view showing each of the plurality of layers constituting the rope body 21 of FIG. 19 exposed.
  • the plurality of yarns 50 are arranged parallel to the longitudinal direction of the rope body 21.
  • FIG. 21 is a side view showing a first example of the yarn 50 of FIG. 20.
  • FIG. 22 is a side view showing a second example of the yarn 50 of FIG.
  • Each yarn 50 is configured by bundling a plurality of high-strength fiber filaments 51.
  • the high-strength fiber filament 51 is a yarn that is the smallest unit of high-strength fiber.
  • the diameter of each high-strength fiber filament 51 is several ⁇ m to several tens of ⁇ m.
  • the plurality of high-strength fiber filaments 51 are arranged parallel to the longitudinal direction of the rope body 21. In the second example, the plurality of high-strength fiber filaments 51 are twisted together.
  • each rope body 21 shown in FIG. 19 the configuration of the belt 7 is the same as that of the third embodiment. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the high-strength fiber bundle is configured by bundling a plurality of yarns 50, the core fiber bundle 24 and the first one are compared with the case where a plurality of high-strength fiber filaments 51 not bundled in the yarn 50 are handled.
  • the outer peripheral fiber layer 28 can be easily manufactured.
  • the plurality of yarns 50 are arranged parallel to the longitudinal direction of the rope body 21. As a result, the elastic modulus of the entire belt 7 in the longitudinal direction becomes high, and the elongation of the belt 7 can be suppressed.
  • the belt 7 of the twelfth embodiment is effective when the rope body 21 is relatively thin. Further, it is desirable that the belt 7 of the twelfth embodiment is applied to an elevator having a large ratio of the diameter D of the drive sheave 5 to the diameter d of the rope body 21, that is, the bending radius ratio D / d.
  • FIG. 23 is an enlarged cross-sectional view showing the rope body 21 of the belt 7 according to the thirteenth embodiment.
  • FIG. 24 is a side view showing each of the plurality of layers constituting the rope body 21 of FIG. 23 exposed.
  • the plurality of yarns 50 are twisted, respectively.
  • the core fiber bundle 24 and the first outer peripheral fiber layer 28 are composed of a plurality of high-strength fiber strands 52.
  • Each high-strength fiber strand 52 is composed of a plurality of yarns 50 twisted together.
  • the first outer peripheral fiber layer 28 is composed of eight high-strength fiber strands 52. Further, the core fiber bundle 24 is composed of one high-strength fiber strand 52.
  • the structure of the belt 7 is the same as that of the third embodiment, except that the high-strength fiber bundle is configured by bundling a plurality of yarns 50 and the plurality of yarns 50 are twisted. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the high-strength fiber bundle is formed by bundling a plurality of yarns 50, it is possible to facilitate the production of the core fiber bundle 24 and the first outer peripheral fiber layer 28.
  • the compressive stress generated in the high-strength fiber bundle can be reduced.
  • damage to each high-strength fiber filament 51 can be suppressed even when a material relatively weak to compression is used as the material for the high-strength fiber bundle.
  • the high-strength fiber bundle constituting the core fiber bundle 24 and the first outer peripheral fiber layer 28 is composed of a plurality of high-strength fiber strands 52. By twisting the plurality of yarns 50 in this way, the load can be shared over the entire high-strength fiber strand 52.
  • each high-strength fiber strand 52 may have a plurality of seams for joining the yarns 50 adjacent to each other in the longitudinal direction of the high-strength fiber strand 52.
  • each yarn 50 is molded using a yarn resin. This makes it possible to facilitate the handling of the yarn 50.
  • Examples of the method of molding using the yarn resin include a method of impregnating a bundle of a plurality of high-strength fiber filaments 51 with the yarn resin and molding the bundle so that the cross section becomes circular. Further, a method of coating the outer periphery of a bundle of a plurality of high-strength fiber filaments 51 with a yarn resin and molding the bundle so that the cross section becomes circular can be mentioned.
  • the yarn resin it is preferable to use a flexible resin in order to secure the flexibility of each rope body 21 and the flexibility of the belt 7 as a whole.
  • the flexible resin it is preferable to use an epoxy resin or a urethane resin. These flexible resins can easily bend when subjected to an external force without being destroyed.
  • Epoxy resin as a yarn resin is a solid that is cured by mixing a liquid main agent with a mixture.
  • the main agent is selected from the group consisting of epoxidized compounds and epoxidized polybutadiene.
  • the molecule of the epoxy compound includes one or more selected from the group consisting of polyoxyalkylene bonds and urethane bonds, and two or more epoxy groups.
  • the molecule of epoxidized polybutadiene contains two or more epoxy groups.
  • ether urethane resin When urethane resin is used as the yarn resin, it is preferable to use ether urethane resin from the viewpoint of hydrolysis resistance.
  • the ether-based urethane resin include those obtained by curing an ether-based polyol with various polyisocyanate compounds.
  • the ether-based polyol polytetramethylene ether glycol, polypropylene glycol and the like are used.
  • the yarn 50 can be easily formed into a circular shape.
  • the adhesion to the high-strength fiber filament 51 can be improved.
  • sufficient flexibility after curing can be ensured.
  • the plurality of yarns 50 may be molded using the yarn resin. That is, at least one yarn 50 may be molded using the yarn resin.
  • FIG. 25 is an enlarged cross-sectional view showing the rope body 21 of the belt 7 according to the thirteenth embodiment.
  • the outer periphery of each high-strength fiber strand 52 is covered with a resin strand covering 53.
  • a resin having high wear resistance and low friction resistance for example, polyethylene or polypropylene is used.
  • the structure of the belt 7 is the same as that of the thirteenth embodiment, except that the outer periphery of each high-strength fiber strand 52 is covered with the resin strand covering body 53. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • each high-strength fiber strand 52 is covered with the resin strand covering 53, it is possible to suppress the wear of each high-strength fiber strand 52.
  • the strand coating 53 may be provided only on a part of the high-strength fiber strands 52 among the plurality of high-strength fiber strands 52. That is, at least one high-strength fiber strand 52 may be covered with the strand coating 53.
  • FIG. 26 is an enlarged cross-sectional view showing the rope body 21 of the belt 7 according to the fifteenth embodiment.
  • each high-strength fiber strand 52 is compression-processed from the outer periphery.
  • the shape of the cross section perpendicular to the longitudinal direction of each high-strength fiber strand 52 is deformed into a circular shape.
  • the plurality of high-strength fiber strands 52 constituting the first outer peripheral fiber layer 28 are collectively covered with the strand coating body 53.
  • the high-strength fiber strand 52 constituting the core fiber bundle 24 is not provided with the strand coating 53.
  • each rope body 21 shown in FIG. 26 the configuration of the belt 7 is the same as that of the 14th embodiment. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • each high-strength fiber strand 52 is deformed into a circular shape, the packing density of the high-strength fiber can be improved.
  • the cross-sectional shape of only a part of the high-strength fiber strands 52 among the plurality of high-strength fiber strands 52 may be deformed into a circular shape. That is, it is sufficient that the cross-sectional shape of at least one high-strength fiber strand 52 is deformed into a circular shape.
  • FIG. 27 is an enlarged cross-sectional view showing the rope body 21 of the belt 7 according to the sixteenth embodiment.
  • each first outer layer strand 30 is compressed from the outer circumference.
  • the shape of the cross section perpendicular to the longitudinal direction of each first outer layer strand 30 is deformed into a circular shape.
  • each core rope 23 of the 16th embodiment 12 core strands 26 are used. In each first strand layer 29, 20 first outer layer strands 30 are used. The diameter of each core strand 26 is smaller than the diameter of each first outer layer strand 30.
  • Each first outer layer strand 30 is composed of 19 first outer layer strands 31 as in the twelfth embodiment. Specifically, each first outer layer strand 30 has one first central strand, nine first intermediate strands, and nine first outer peripheral strands.
  • each rope body 21 shown in FIG. 27 Except for the cross-sectional configuration of each rope body 21 shown in FIG. 27, the configuration of the belt 7 is the same as that of the third embodiment. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • each first outer layer strand 30 is deformed into a circular shape, the contact surface pressure of each first outer layer strand 30 with respect to the first outer peripheral fiber layer 28 is lowered. As a result, damage to the first outer peripheral fiber layer 28 can be suppressed.
  • the cross-sectional shape of only a part of the first outer layer strands 30 among the plurality of first outer layer strands 30 may be deformed into a circular shape. That is, it suffices that the cross-sectional shape of at least one first outer layer strand 30 is deformed into a circular shape.
  • the cross-sectional shape of at least one first outer layer strand 30 may be deformed into a circular shape.
  • FIG. 28 is an enlarged cross-sectional view showing the rope body 21 of the belt 7 according to the seventeenth embodiment.
  • each core strand 26 is compressed from the outer circumference.
  • the shape of the cross section perpendicular to the longitudinal direction of each core strand 26 is deformed into a circular shape.
  • each rope body 21 shown in FIG. 28 Except for the cross-sectional configuration of each rope body 21 shown in FIG. 28, the configuration of the belt 7 is the same as that of the 16th embodiment. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • each core strand 26 since the cross-sectional shape of each core strand 26 is deformed into a circular shape, the contact surface pressure of each core strand 26 with respect to the first outer peripheral fiber layer 28 decreases. Further, the contact surface pressure of each core strand 26 with respect to the core fiber bundle 24 is reduced. As a result, damage to the first outer peripheral fiber layer 28 and the core fiber bundle 24 can be suppressed.
  • the cross-sectional shape of only a part of the core strands 26 out of the plurality of core strands 26 may be deformed into a circular shape. That is, it is sufficient that the cross-sectional shape of at least one core strand 26 is deformed into a circular shape.
  • the cross-sectional shape of at least one core strand 26 may be deformed into a circular shape.
  • the cross-sectional shape of at least one second outer layer strand 34 may be deformed into a circular shape.
  • the cross-sectional shape of at least one central strand 37 may be deformed into a circular shape.
  • FIG. 29 is a cross-sectional view of the belt 7 according to the eighteenth embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • the plurality of rope bodies 21 include two or more types of rope bodies 21 having different cross sections from each other. Different cross-sections mean that the diameter of the cross-section and at least one of the cross-sectional structures are different.
  • the plurality of rope bodies 21 include two types of rope bodies 21 having different diameters from each other.
  • the diameters of the four rope bodies 21 arranged at both ends of the belt 7 in the width direction are the respective diameters of the six rope bodies 21 arranged in the center of the belt 7 in the width direction. Smaller than the diameter.
  • the configuration of the belt 7 is the same as that of the eleventh embodiment, except that two types of rope bodies 21 having different diameters are included. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • the plurality of rope bodies 21 may include three or more types of rope bodies 21 having different diameters from each other.
  • a plurality of types of rope bodies 21 selected from the first to 17th embodiments may be combined and arranged in a common belt 7.
  • FIG. 30 is a cross-sectional view of the belt 7 according to the nineteenth embodiment, showing a cross section perpendicular to the longitudinal direction of the belt 7.
  • the belt 7 of embodiment 19 has eight rope bodies 21.
  • the eight rope bodies 21 are designated as the first rope body, the second rope body, and the eighth rope body in order from one end to the other end in the width direction of the belt 7. At this time, the distance between the second rope body and the third rope body, and the distance between the sixth rope body and the seventh rope body are larger than the distance between the other adjacent rope bodies 21. That is, the distance between the rope bodies 21 adjacent to each other in the width direction of the belt 7 includes two different distances from each other.
  • the intervals between the adjacent rope bodies 21 may include a plurality of intervals different from each other.
  • the configuration of the belt 7 is the same as that of the eleventh embodiment, except that the distance between the adjacent rope bodies 21 is changed. Further, the manufacturing method of the belt 7 and the configuration of the elevator are the same as those in the first embodiment.
  • spacing between adjacent rope bodies 21 may include three or more spacings that are different from each other.
  • a plurality of types of rope bodies 21 having different cross sections may be combined and arranged in a common belt 7, and the distance between adjacent rope bodies 21 may be changed. That is, the embodiment 18 and the embodiment 19 may be combined and implemented.
  • At least a part of the steel members included in the plurality of rope bodies 21 may be plated.
  • the core wire member 25 may be plated.
  • the strands constituting the core strand 26, the first outer layer strand 30, the second outer layer strand 34, and the central strand 37 may be plated. This makes it possible to suppress corrosion of steel members.
  • the high-strength fiber bundle formed by bundling a plurality of yarns 50 as shown in the 12th to 15th embodiments can be applied to the high-strength fiber bundles of the 1st to 11th embodiments and the 16th to 19th embodiments.
  • the number of rope bodies 21 is not particularly limited. Further, in each embodiment, the amount of high-strength fibers, the number of core wire members, the number of strands, and the number of strands constituting the strands are not particularly limited.
  • the belt 7 may include a strength member other than the rope body 21 shown in the first to nineteenth embodiments.
  • the type of the elevator is not limited to the type shown in FIG. 1, and may be, for example, a 2: 1 roping method.
  • the elevator may be a machine room-less elevator, a double-deck elevator, a one-shaft multi-car type elevator, or the like.
  • the one-shaft multicar system is a system in which the upper car and the lower car placed directly under the upper car independently move up and down a common hoistway.
  • the belt 7 is used as a suspension body for suspending the elevator car 8.
  • the use of the belt 7 is not limited to this.
  • the belt 7 can also be applied to an elevator governor rope or compensating body.
  • the belt 7 can be applied to a device other than an elevator, for example, a crane device.
  • 3 hoisting machine 5 drive sheaves, 7 belts, 8 baskets, 9 balanced weights, 11 compensating bodies, 21 rope bodies, 22 rope coverings, 23 core ropes, 24 core fiber bundles, 25 core wire members, 26 cores.

Landscapes

  • Ropes Or Cables (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
PCT/JP2020/032417 2020-08-27 2020-08-27 ベルト、その製造方法、及びエレベーター WO2022044213A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2022545164A JP7357803B2 (ja) 2020-08-27 2020-08-27 ベルト、その製造方法、及びエレベーター
CN202080103308.2A CN115956059A (zh) 2020-08-27 2020-08-27 带、带的制造方法和电梯
PCT/JP2020/032417 WO2022044213A1 (ja) 2020-08-27 2020-08-27 ベルト、その製造方法、及びエレベーター
KR1020237005402A KR20230039708A (ko) 2020-08-27 2020-08-27 벨트, 그 제조 방법, 및 엘리베이터
DE112020007544.3T DE112020007544T5 (de) 2020-08-27 2020-08-27 Riemen, Verfahren zu dessen Herstellung und Aufzug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/032417 WO2022044213A1 (ja) 2020-08-27 2020-08-27 ベルト、その製造方法、及びエレベーター

Publications (1)

Publication Number Publication Date
WO2022044213A1 true WO2022044213A1 (ja) 2022-03-03

Family

ID=80354899

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/032417 WO2022044213A1 (ja) 2020-08-27 2020-08-27 ベルト、その製造方法、及びエレベーター

Country Status (5)

Country Link
JP (1) JP7357803B2 (enrdf_load_stackoverflow)
KR (1) KR20230039708A (enrdf_load_stackoverflow)
CN (1) CN115956059A (enrdf_load_stackoverflow)
DE (1) DE112020007544T5 (enrdf_load_stackoverflow)
WO (1) WO2022044213A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4389669A1 (en) * 2022-12-22 2024-06-26 Wittur Holding GmbH Suspension means for a traction sheave elevator

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6311596U (enrdf_load_stackoverflow) * 1986-07-08 1988-01-26
JPH0259338U (enrdf_load_stackoverflow) * 1988-10-25 1990-04-27
JPH10140490A (ja) * 1996-11-13 1998-05-26 Tokyo Seiko Co Ltd 繊維芯入りワイヤロープ
JP2001524060A (ja) * 1996-12-30 2001-11-27 コネ コーポレイション エレベータロープ装置
US6563054B1 (en) * 1998-09-23 2003-05-13 Trefileurope Composite cable with a synthetic core for lifting or traction
EP2067893A2 (en) * 2007-12-05 2009-06-10 Redaelli Tecna S.p.A. Divisione Teci Metal rope with fibres of liquid-crystal polymer
WO2011145224A1 (ja) * 2010-05-17 2011-11-24 東京製綱株式会社 ハイブリッドロープおよびその製造方法
WO2012056529A1 (ja) * 2010-10-27 2012-05-03 三菱電機株式会社 エレベータ用ロープ
WO2014033853A1 (ja) * 2012-08-29 2014-03-06 三菱電機株式会社 エレベータ用ロープ及びそれを用いたエレベータ装置
JP2015140243A (ja) * 2014-01-29 2015-08-03 三菱電機ビルテクノサービス株式会社 エレベータの主索
WO2017138228A1 (ja) * 2016-02-10 2017-08-17 三菱電機株式会社 エレベータロープ及びその製造方法
JP2018177535A (ja) * 2017-04-20 2018-11-15 オーチス エレベータ カンパニーＯｔｉｓ Ｅｌｅｖａｔｏｒ Ｃｏｍｐａｎｙ エレベータシステム用のベルト、およびエレベータシステム
WO2019180783A1 (ja) * 2018-03-19 2019-09-26 三菱電機株式会社 エレベータロープ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3530806B2 (ja) * 2000-06-22 2004-05-24 キヤノン株式会社 ファクシミリ装置、ファクシミリ装置の制御方法、およびファクシミリ装置の制御プログラムを格納したコンピュータ読取可能な記憶媒体
JP4310112B2 (ja) * 2003-01-15 2009-08-05 株式会社日立製作所 ロープ及びロープの劣化診断方法
GB2458001B (en) 2008-01-18 2010-12-08 Kone Corp An elevator hoist rope, an elevator and method
DE102014204004A1 (de) * 2014-03-05 2015-09-10 Contitech Antriebssysteme Gmbh Festigkeitsträger

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6311596U (enrdf_load_stackoverflow) * 1986-07-08 1988-01-26
JPH0259338U (enrdf_load_stackoverflow) * 1988-10-25 1990-04-27
JPH10140490A (ja) * 1996-11-13 1998-05-26 Tokyo Seiko Co Ltd 繊維芯入りワイヤロープ
JP2001524060A (ja) * 1996-12-30 2001-11-27 コネ コーポレイション エレベータロープ装置
US6563054B1 (en) * 1998-09-23 2003-05-13 Trefileurope Composite cable with a synthetic core for lifting or traction
EP2067893A2 (en) * 2007-12-05 2009-06-10 Redaelli Tecna S.p.A. Divisione Teci Metal rope with fibres of liquid-crystal polymer
WO2011145224A1 (ja) * 2010-05-17 2011-11-24 東京製綱株式会社 ハイブリッドロープおよびその製造方法
WO2012056529A1 (ja) * 2010-10-27 2012-05-03 三菱電機株式会社 エレベータ用ロープ
WO2014033853A1 (ja) * 2012-08-29 2014-03-06 三菱電機株式会社 エレベータ用ロープ及びそれを用いたエレベータ装置
JP2015140243A (ja) * 2014-01-29 2015-08-03 三菱電機ビルテクノサービス株式会社 エレベータの主索
WO2017138228A1 (ja) * 2016-02-10 2017-08-17 三菱電機株式会社 エレベータロープ及びその製造方法
JP2018177535A (ja) * 2017-04-20 2018-11-15 オーチス エレベータ カンパニーＯｔｉｓ Ｅｌｅｖａｔｏｒ Ｃｏｍｐａｎｙ エレベータシステム用のベルト、およびエレベータシステム
WO2019180783A1 (ja) * 2018-03-19 2019-09-26 三菱電機株式会社 エレベータロープ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4389669A1 (en) * 2022-12-22 2024-06-26 Wittur Holding GmbH Suspension means for a traction sheave elevator

Also Published As

Publication number Publication date
JP7357803B2 (ja) 2023-10-06
KR20230039708A (ko) 2023-03-21
DE112020007544T5 (de) 2023-06-15
CN115956059A (zh) 2023-04-11
JPWO2022044213A1 (enrdf_load_stackoverflow) 2022-03-03

Similar Documents

Publication Publication Date Title
TWI420009B (zh) 合成纖維纜索及其製造方法、具有此合成纖維纜索之升降設備及升降機用支承驅動構件
AU756246B2 (en) Stranded synthetic fiber rope
US6397574B1 (en) Sheathless synthetic fiber rope
US10676320B2 (en) Elevator rope and a manufacturing method therefor
WO2022044213A1 (ja) ベルト、その製造方法、及びエレベーター
JP2014507349A (ja) エレベータシステムベルト
JP7613475B2 (ja) ロープ、ロープ構造体
JP7195483B1 (ja) ロープ及びそれを用いたベルト
JP7279267B2 (ja) 複合ストランド、その製造方法、ロープ、ベルト、及びエレベーター
CN116323458B (zh) 电梯用绳索及其制造方法
EP2511219A1 (en) Rope for elevator
JP7638450B2 (ja) エレベーター用ロープ及びエレベーター装置
WO2024154350A1 (ja) エレベーターロープ及びそれを用いたエレベーターベルト
KR100830777B1 (ko) 엘리베이터용 로프 및 엘리베이터 장치
JP7483153B2 (ja) ロープ及びその製造方法
WO2024089885A1 (ja) ロープ及びそれを用いたベルト
JP7170901B2 (ja) エレベータの懸架体およびエレベータ
WO2024142321A1 (ja) エレベーター用ワイヤロープ及びエレベーターの改修方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20951466

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2022545164

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 20237005402

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 20951466

Country of ref document: EP

Kind code of ref document: A1