WO2022097296A1 - 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 - Google Patents
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 Download PDFInfo
- Publication number
- WO2022097296A1 WO2022097296A1 PCT/JP2020/041713 JP2020041713W WO2022097296A1 WO 2022097296 A1 WO2022097296 A1 WO 2022097296A1 JP 2020041713 W JP2020041713 W JP 2020041713W WO 2022097296 A1 WO2022097296 A1 WO 2022097296A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strand
- outer peripheral
- composite
- rope
- belt
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 122
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 43
- 229920005989 resin Polymers 0.000 claims abstract description 42
- 239000011347 resin Substances 0.000 claims abstract description 42
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 7
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 84
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- -1 polyparaphenylene benzoxazole Polymers 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000005062 Polybutadiene Substances 0.000 claims description 4
- 125000003700 epoxy group Chemical group 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920002748 Basalt fiber Polymers 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- 229920006231 aramid fiber Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 229920001230 polyarylate Polymers 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 68
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
- D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
-
- 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
-
- 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
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/005—Composite ropes, i.e. ropes built-up from fibrous or filamentary material and metal wires
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
- D07B1/0686—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration characterised by the core design
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/06—Making ropes or cables from special materials or of particular form from natural or artificial staple fibres
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
- D07B1/165—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2023—Strands with core
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2024—Strands twisted
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2042—Strands characterised by a coating
- D07B2201/2043—Strands characterised by a coating comprising metals
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2042—Strands characterised by a coating
- D07B2201/2044—Strands characterised by a coating comprising polymers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2048—Cores characterised by their cross-sectional shape
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2055—Cores characterised by their structure comprising filaments or fibers
- D07B2201/2058—Cores characterised by their structure comprising filaments or fibers comprising fillers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2067—Cores characterised by the elongation or tension behaviour
- D07B2201/2068—Cores characterised by the elongation or tension behaviour having a load bearing function
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2046—Polyamides, e.g. nylons
- D07B2205/205—Aramides
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3003—Glass
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3007—Carbon
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2207/00—Rope or cable making machines
- D07B2207/40—Machine components
- D07B2207/404—Heat treating devices; Corresponding methods
- D07B2207/4068—Heat treating devices; Corresponding methods for curing
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/2065—Reducing wear
- D07B2401/207—Reducing wear internally
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2007—Elevators
Definitions
- This disclosure relates to composite strands, their manufacturing methods, ropes, belts, and elevators.
- the rope core has a load-bearing portion and a synthetic fiber covering portion.
- the covering portion is covered on the outer periphery of the load bearing portion.
- the load-bearing portion is composed of a fiber aggregate.
- the load-bearing portion is impregnated with a flexible resin and cured.
- the load-bearing portion has a role of sharing the load when a tensile load is applied to the elevator rope and reducing the load applied to a plurality of steel strands (see, for example, Patent Document 1).
- the present disclosure has been made to solve the above-mentioned problems, and to obtain a composite strand capable of suppressing damage to a strand core member due to repeated bending, a manufacturing method thereof, a rope, a belt, and an elevator. With the goal.
- a plurality of composite strands are formed on the outer periphery of the core intermediate after the first step and the first step of impregnating a high-strength fiber bundle with an uncured matrix resin.
- a second step of twisting the steel outer peripheral wire members of the above, and a third step of curing the matrix resin to make the core intermediate into a strand core member made of fiber reinforced plastic is included.
- the composite strand according to the present disclosure includes a strand core member made of fiber reinforced plastic and a plurality of steel outer peripheral wire members twisted around the outer peripheral surface of the strand core member, and the outer peripheral surface of the strand core member has a plurality of steel outer peripheral wire members.
- a plurality of grooves are provided, and in a cross section perpendicular to the longitudinal direction of the strand core member, a part of each outer peripheral line member is inserted into the corresponding groove, and the shape of the inner surface of each groove is each outer peripheral line. It has a shape along the outer peripheral surface of the member.
- FIG. It is a perspective view which shows the elevator by Embodiment 1.
- FIG. It is sectional drawing of the suspension body of FIG. It is sectional drawing which shows the composite strand of FIG. 2 in an enlarged view. It is sectional drawing which shows only the strand core member of FIG.
- FIG. 3 is an enlarged cross-sectional view showing a part of the strand core member of FIG.
- FIG. It is explanatory drawing which shows the 2nd step of the manufacturing method of the composite strand by Embodiment 1.
- FIG. It is explanatory drawing which shows the 3rd process of the manufacturing method of the composite strand by Embodiment 1.
- FIG. It is sectional drawing of the suspension body by Embodiment 6. It is sectional drawing of the suspension body by Embodiment 7. FIG. It is sectional drawing of the suspension body by Embodiment 8. FIG. It is sectional drawing of the suspension body by Embodiment 9. FIG. It is sectional drawing of the suspension body by Embodiment 10. FIG.
- 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 about a horizontal rotation axis.
- a plurality of suspension bodies 7 are wound around the drive sheave 5 and the deflecting wheel 6.
- FIG. 1 shows only one suspension body 7.
- the plurality of suspension bodies 7 are wound around the outer peripheral surface of the drive sheave 5 at intervals in the axial direction of the drive sheave 5.
- the car 8 is connected to the first end portion of each suspension body 7 in the longitudinal direction.
- the balance weight 9 is connected to the second end portion of each suspension body 7 in the longitudinal direction.
- the car 8 and the balance weight 9 are suspended in the hoistway 1 by the suspension body 7. 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 suspension body 7 due to the movement of the car 8.
- a flexible string-shaped member such as a rope or a chain is used.
- FIG. 2 is a cross-sectional view of the suspended body 7 of FIG. 1, and shows a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the suspension body 7 of the first embodiment is a rope. Further, the suspension body 7 of the first embodiment is composed of only the rope main body 20.
- the rope body 20 has a core rope 21 and a plurality of composite strands 22 as a plurality of rope strands.
- the core rope 21 is configured as a three-strand rope made by twisting three core rope strands together.
- Each core rope strand is composed of a large number of fibers bundled together.
- the plurality of composite strands 22 are twisted around the outer circumference of the core rope 21.
- eight composite strands 22 are used.
- FIG. 3 is an enlarged cross-sectional view of the composite strand 22 of FIG. 2, showing a cross section perpendicular to the longitudinal direction of the composite strand 22.
- the composite strand 22 has a fiber-reinforced plastic strand core member 23 and a plurality of steel outer peripheral wire members 24.
- the strand core member 23 is continuously arranged over the entire longitudinal direction of the composite strand 22.
- the plurality of outer peripheral wire members 24 are twisted around the outer circumference of the strand core member 23. In FIG. 3, 14 outer peripheral wire members 24 are used. Each outer peripheral wire member 24 is continuously arranged over the entire longitudinal direction of the composite strand 22.
- each outer peripheral wire member 24 one steel wire, that is, a steel wire is used.
- the diameter of each outer peripheral wire member 24 is smaller than the diameter of the strand core member 23.
- the shape of each outer peripheral line member 24 is circular.
- the cross-sectional area of the strand core member 23 is larger than the total cross-sectional area of all the outer peripheral line members 24 in the cross section perpendicular to the longitudinal direction of the strand core member 23. More preferably, in the cross section perpendicular to the longitudinal direction of the composite strand 22, the cross-sectional area of the strand core member 23 is 60% or more of the cross-sectional area of the entire composite strand 22.
- FIG. 4 is a cross-sectional view showing only the strand core member 23 of FIG. 3, and is a view in which all the outer peripheral line members 24 are removed from FIG.
- a plurality of grooves 23a are provided on the outer peripheral surface of the strand core member 23.
- the number of grooves 23a is the same as the number of outer peripheral wire members 24.
- each outer peripheral line member 24 is inserted into the corresponding groove 23a.
- the shape of the inner surface of each groove 23a is a shape along the outer peripheral surface of each outer peripheral line member 24. It was
- each outer peripheral wire member 24 is partially fitted in the corresponding groove 23a. Further, each outer peripheral wire member 24 is in surface contact with the entire inner surface of the corresponding groove 23a.
- FIG. 5 is an enlarged cross-sectional view showing a part of the strand core member 23 of FIG.
- the strand core member 23 has a high-strength fiber bundle 25 and a matrix resin 26.
- the high-strength fiber bundle 25 is configured by bundling a plurality of high-strength fiber filaments 27.
- the diameter of each high-strength fiber filament 27 is in the range of several ⁇ m to several tens of ⁇ m.
- the material of the high-strength fiber filament 27 at least one selected from the group consisting of carbon fiber, polyparaphenylene benzoxazole (PBO) fiber, aramid fiber, polyallylate fiber, polyethylene fiber, glass fiber, and basalt fiber.
- PBO polyparaphenylene benzoxazole
- aramid fiber polyallylate fiber
- polyethylene fiber polyethylene fiber
- glass fiber glass fiber
- basalt fiber basalt fiber
- the matrix resin 26 it is preferable to use a flexible resin in order to secure the flexibility of each composite strand 22 and the flexibility of the suspension body 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.
- the epoxy resin as the matrix resin 26 is a solid that is cured by mixing a liquid main agent with a mixing agent.
- 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.
- a urethane resin is used as the matrix resin 26, it is preferable to use an 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 adhesion to the high-strength fiber filament 27 can be improved. In addition, sufficient flexibility after curing can be ensured.
- the method for producing the composite strand 22 according to the first embodiment includes a first step, a second step, and a third step.
- FIG. 6 is an explanatory diagram showing a first step of the method for manufacturing the composite strand 22 according to the first embodiment.
- the first step is a step of impregnating the high-strength fiber bundle 25 with the uncured matrix resin 26 to form the core intermediate 28.
- the high-strength fiber bundle 25 is sent out from the first sending machine 101 and wound up on the first winding machine 102 as a core intermediate 28.
- An impregnation tank 103 is provided between the first sending machine 101 and the first winding machine 102.
- the impregnation tank 103 contains an uncured state, that is, a liquid matrix resin 26.
- a high-strength fiber bundle 25 in which a plurality of high-strength fiber filaments 27 are twisted together is used.
- the cross-sectional shape of the high-strength fiber bundle 25 does not easily collapse, the cross-sectional shape of the composite strand 22 can be easily made close to a perfect circle.
- a flexible and easily bendable strand core member 23 can be obtained.
- a high-strength fiber bundle 25 in which a plurality of high-strength fiber filaments 27 are bundled without being twisted with each other may be used.
- the strength and elastic modulus in the longitudinal direction of the strand core member 23 can be increased.
- FIG. 7 is an explanatory diagram showing a second step of the method for manufacturing the composite strand 22 according to the first embodiment.
- the second step is carried out after the first step.
- the second step is a step of twisting a plurality of outer peripheral wire members 24 around the outer periphery of the core intermediate 28.
- the core intermediate 28 is sent out from the second sending machine 104 and wound up by the second winding machine 105.
- a twisting device 106 is provided between the second feeder 104 and the second winder 105. By passing the core intermediate 28 through the twisting device 106, a plurality of outer peripheral wire members 24 are twisted around the outer periphery of the core intermediate 28.
- the matrix resin 26 in the composite strand 22 wound by the second winder 105 is in an uncured state.
- the second step is carried out while applying tension to the core intermediate 28.
- the tension applied to the core intermediate 28 is preferably 30% or less of the breaking strength of the high-strength fiber bundle 25. Further, the tension applied to the core intermediate 28 is more preferably 5% or more and less than 15% of the breaking strength of the high-strength fiber bundle 25.
- FIG. 8 is an explanatory diagram showing a third step of the method for manufacturing the composite strand 22 according to the first embodiment.
- the third step is carried out after the second step.
- the third step is a step of converting the core intermediate 28 into the strand core member 23 by curing the matrix resin 26.
- the composite strand 22 containing the uncured matrix resin 26 is sent out from the third delivery machine 107 and passed through the heating furnace 108.
- the uncured matrix resin 26 is cured by being heated in the heating furnace 108.
- the composite strand 22 containing the cured matrix resin 26 is taken up by the third winder 109.
- the heating furnace 108 it is preferable to use a high frequency induction heating furnace. That is, it is preferable that the third step includes a high frequency induction heating step.
- the high frequency induction heating step a plurality of outer peripheral wire members 24 can be heated to a high temperature in a short time. Therefore, heat can be transferred to the core intermediate 28 in contact with the plurality of outer peripheral wire members 24 in a short time. Thereby, the manufacturing speed of the composite strand 22 can be increased.
- each groove 23a is the outer peripheral surface of each outer peripheral line member 24 in a cross section perpendicular to the longitudinal direction of the strand core member 23.
- the shape is along. Therefore, each outer peripheral wire member 24 is in surface contact with the strand core member 23, not in point contact.
- each outer peripheral wire member 24 with respect to the strand core member 23 becomes low, and it is possible to prevent the strand core member 23 from being scratched. As a result, damage to the strand core member 23 due to repeated bending can be suppressed.
- the composite strand 22 can be made lighter and stronger.
- the suspension body 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. Compared with the conventional elevator rope, the weight reduction effect of the suspension body 7 of the first embodiment becomes larger as the ascending / descending stroke of the car 8 becomes larger.
- 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 the suspension bodies 7. Further, depending on the ascending / descending stroke of the car 8, the compensating body 11 can be completely removed.
- each strand core member 23 is protected by a plurality of outer peripheral wire members 24, even if the suspension body 7 is repeatedly bent, the strand core members 23 of the adjacent composite strands 22 do not rub against each other.
- the suspension body 7 can be easily maintained by a method of visually confirming the breakage of the outer peripheral wire member 24 or detecting it by a dedicated device.
- the cross-sectional area of the strand core member 23 is larger than the total cross-sectional area of all the outer peripheral line members 24. Therefore, a lightweight and high-strength suspension body 7 can be obtained.
- the high-strength fiber bundle 25 is impregnated with the uncured matrix resin 26 to form the core intermediate 28, and a plurality of outer circumferences are formed on the outer periphery of the core intermediate 28.
- the wire members 24 are twisted together and the matrix resin 26 is cured. Therefore, the shape of the inner surface of each groove 23a can be easily made into a shape along the outer peripheral surface of each outer peripheral line member 24.
- the packing density of the fibers can be increased.
- the third step may be carried out not only once but also twice or more.
- FIG. 9 is an explanatory diagram showing a modified example of the third step.
- the heat insulating device 110 is provided downstream of the heating furnace 108, that is, between the heating furnace 108 and the third winder 109.
- the heat insulating device 110 maintains the temperature of the composite strand 22 by heating with warm air.
- the core intermediate 28 may be heated to a desired temperature by the high frequency induction heating step, and then the temperature may be maintained by heating with warm air.
- the first step and the second step may be continuously carried out.
- the second step and the third step may be continuously carried out.
- the first step, the second step, and the third step may be continuously carried out.
- FIG. 13 is a cross-sectional view of the composite strand 22 according to the second embodiment, showing a cross section perpendicular to the longitudinal direction of the composite strand 22.
- a plurality of outer peripheral strands 31 are twisted around the outer periphery of the strand core member 23 as a plurality of outer peripheral wire members.
- Each outer strand 31 contains a plurality of steel strands 32 twisted together.
- each outer peripheral strand 31 is composed of seven strands 32.
- the seven strands 32 include a central strand arranged at the center of the outer peripheral strand 31 and six outer peripheral strands twisted around the outer periphery of the central strand.
- the shape of the inner surface of each groove 23a is a shape along the outer peripheral surface of each outer peripheral strand 31.
- the configuration and manufacturing method of the composite strand 22 are the same as those in the first embodiment, except that a plurality of outer peripheral strands 31 are used. Further, the configuration of the suspension body 7 and the configuration of the elevator are the same as those in the first embodiment.
- the outer diameter of the composite strand 22 is increased, the outer diameter of each outer peripheral wire member is also increased. If the outer diameter of the outer peripheral wire member 24 of the first embodiment is increased, the flexibility may decrease. On the other hand, the outer peripheral strand 31 of the second embodiment is less likely to lose its flexibility even if the outer diameter is made larger than that of the outer peripheral wire member 24.
- the outer diameter of the composite strand 22 can be increased while ensuring flexibility.
- the outer diameter of the suspension body 7 can also be increased.
- each outer peripheral strand 31 may be subjected to compression processing from the outer circumference, that is, deformation processing.
- the shape of the cross section perpendicular to the longitudinal direction of each outer peripheral strand 31 is deformed into a circular shape. This makes it possible to further reduce the scratching of the strand core member 23.
- the deforming process does not necessarily have to be applied to all the outer peripheral strands 31, and at least one outer peripheral strand 31 may be subjected to the deforming process. That is, the outer peripheral strand 31 that has been deformed and the outer peripheral strand 31 that has not been deformed may coexist.
- outer peripheral wire member 24 of the first embodiment and the outer peripheral strand 31 of the second embodiment may be mixed.
- FIG. 15 is a cross-sectional view of the suspended body 7 according to the third embodiment, showing a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the composite strand 22 is arranged at the center of the suspension body 7 instead of the core rope 21.
- Six composite strands 22 are twisted around the outer circumference of the composite strand 22 arranged in the center.
- the configuration of the suspension body 7 and the configuration of the elevator are the same as those of the first embodiment, except that the composite strand 22 is arranged at the center of the suspension body 7. Moreover, the manufacturing method of each composite strand 22 is also the same as that of the first embodiment.
- the suspended body 7 since the composite strand 22 is also arranged at the center, the suspended body 7 can be further reduced in weight and the suspended body 7 can be further increased in strength.
- FIG. 16 is a cross-sectional view of the suspended body 7 according to the fourth embodiment, showing a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the rope main body 20 of the fourth embodiment has a strand coating body 33 made of resin in addition to the configuration of the rope main body 20 of the third embodiment.
- the strand covering 33 covers the outer circumference of at least one composite strand 22. In this example, the strand covering 33 covers the outer circumference of the composite strand 22 located at the center of the suspension 7.
- the configuration of the suspension body 7 and the configuration of the elevator are the same as those of the third embodiment, except that the strand covering body 33 is added. Moreover, the manufacturing method of each composite strand 22 is the same as that of the first embodiment.
- polyethylene or polypropylene is desirable from the viewpoint of wear resistance and low friction.
- outer periphery of two or more composite strands 22 may be covered with the strand covering 33, respectively.
- FIG. 17 is a cross-sectional view of the suspended body 7 according to the fifth embodiment, showing a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the rope body 20 of the fifth embodiment has a core rope 30, a resin intermediate covering 34, and an outer strand layer 35.
- the configuration of the core rope 30 is the same as the configuration of the rope main body 20 of the fourth embodiment.
- the intermediate covering body 34 covers the outer circumference of the core rope 30.
- the material of the intermediate covering body 34 is the same as that of the strand covering body 33.
- the outer strand layer 35 is provided on the outer periphery of the intermediate covering body 34. Further, the outer strand layer 35 is composed of a plurality of composite strands 22. In FIG. 17, the outer strand layer 35 is composed of 12 composite strands 22. The plurality of composite strands 22 constituting the outer strand layer 35 are each twisted around the outer periphery of the intermediate covering body 34.
- the cross-sectional structure of all the composite strands 22 included in the rope body 20 is the same. Further, the outer diameters of all the composite strands 22 included in the rope body 20 are the same.
- the configuration of the suspension body 7 and the configuration of the elevator are the same as those of the fourth embodiment, except that the intermediate covering body 34 and the outer strand layer 35 are added. Moreover, the manufacturing method of each composite strand 22 is the same as that of the first embodiment.
- a plurality of composite strands 22 are arranged in multiple layers. Therefore, the strength of the suspension body 7 can be further increased.
- two or more types of composite strands 22 having different cross-sectional configurations may be mixed.
- two or more types of composite strands 22 having different outer diameters may be mixed.
- FIG. 18 is a cross-sectional view of the suspended body 7 according to the sixth embodiment, showing a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the composite strand 22 at the center of the suspension body 7 of the fourth embodiment shown in FIG. 16 is replaced with the composite strand 22 shown in FIG.
- the outer diameter of the central composite strand 22 is larger than the outer diameter of the other plurality of composite strands 22.
- each composite strand 22 is the same as that of the first embodiment.
- the outer diameter of the suspended body 7 can be increased without increasing the total number of composite strands 22 as compared with the fourth embodiment.
- FIG. 19 is a cross-sectional view of the suspended body 7 according to the seventh embodiment, showing a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the plurality of composite strands 22 included in the outer strand layer 35 of the fifth embodiment shown in FIG. 17 are replaced with the composite strands 22 shown in FIG. There is.
- each composite strand 22 is the same as that of the first embodiment.
- two or more types of composite strands 22 having different cross-sectional configurations may be used as rope strands, and the degree of freedom in designing the suspension body 7 can be improved.
- composite strands 22 shown in FIGS. 3, 13 and 14 may be appropriately mixed in one rope.
- FIG. 20 is a cross-sectional view of the suspended body 7 according to the eighth embodiment, showing a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the suspension body 7 of the eighth embodiment has a resin outer layer covering body 36 in addition to the rope main body 20 of the fifth embodiment shown in FIG.
- the outer layer covering body 36 covers the outer periphery of the rope main body 20 over the entire length direction of the rope main body 20.
- the outer layer covering body 36 is required to have high wear resistance and a high coefficient of friction. Therefore, it is desirable to use a thermoplastic polyurethane elastomer as the material of the outer layer covering body 36. In particular, it is desirable to use an ether-based thermoplastic polyurethane elastomer having high hydrolysis resistance.
- the outer layer covering body 36 contains a flame retardant. Thereby, the flame retardancy of the suspension body 7 can be ensured.
- the configuration of the suspension body 7 and the configuration of the elevator are the same as those of the fifth embodiment, except that the rope main body 20 is covered with the outer layer covering body 36. Moreover, the manufacturing method of each composite strand 22 is the same as that of the first embodiment.
- the outer periphery of the rope body 20 is covered with the outer layer covering body 36. Therefore, it is prevented that the plurality of composite strands 22 included in the outer strand layer 35 come into direct contact with the drive sheave 5. As a result, wear of the plurality of composite strands 22 included in the outer strand layer 35 can be suppressed. Further, it is possible to suppress the wear of the drive sheave 5.
- the coefficient of friction of the suspension body 7 with respect to the drive sheave 5 can be increased, and the suspension body 7 can be applied to the drive sheave 5 having a smaller diameter.
- the outer layer covering body 36 may be provided on the outer circumference of the rope main body 20 shown in the first, third, fourth, sixth, and seventh embodiments, and on the outer circumference of the rope main body 20 having another cross-sectional structure.
- each outer peripheral wire member 24 and each outer peripheral strand 31 may be plated. Thereby, corrosion of each outer peripheral wire member 24 and each outer peripheral strand 31 can be suppressed.
- all the rope strands are composite strands 22.
- the composite strand 22 may be used as at least one of the plurality of rope strands.
- FIG. 21 is a cross-sectional view of the suspended body 7 according to the ninth embodiment, showing a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the suspension body 7 of the ninth embodiment is a belt. Further, the suspension body 7 of the ninth embodiment has a plurality of composite strands 22 as belt wire members and a resin belt covering body 37.
- the composite strands 22 are arranged in a row at intervals in the width direction of the suspension body 7 when the cross section perpendicular to the longitudinal direction of the suspension body 7 is viewed. As each composite strand 22, the composite strand 22 of the second embodiment shown in FIG. 14 is used. Further, in FIG. 21, six composite strands 22 are used.
- the belt covering body 37 covers a plurality of composite strands 22 over the entire longitudinal direction of the suspension body 7. It is desirable that a thermoplastic polyurethane elastomer is used as the material of the belt covering body 37. In particular, it is desirable to use an ether-based thermoplastic polyurethane elastomer having high hydrolysis resistance.
- the belt covering body 37 contains a flame retardant. Thereby, the flame retardancy of the suspension body 7 can be ensured.
- the configuration of the elevator is the same as that of the first embodiment except that the suspension body 7 is a belt. Moreover, the manufacturing method of each composite strand 22 is also the same as that of the first embodiment.
- Such a suspended body 7 can be applied to a drive sheave 5 having a smaller diameter while ensuring the same strength as when a rope is used as the suspended body 7.
- all the belt wire members are composite strands 22.
- the composite strand 22 may be used as at least one of the plurality of belt wire members.
- two or more types of composite strands 22 having different cross-sectional configurations and at least one of the outer diameters may be appropriately mixed in one belt.
- the composite strands 22 shown in FIGS. 3, 13, and 14 may be appropriately mixed in one belt.
- the spacing between adjacent composite strands 22 may include three or more spacings that are different from each other.
- FIG. 22 is a cross-sectional view of the suspended body 7 according to the tenth embodiment, showing a cross section perpendicular to the longitudinal direction of the suspended body 7.
- the suspension body 7 of the tenth embodiment is a belt. Further, the suspension body 7 of the tenth embodiment has a plurality of ropes as belt wire members and a belt covering body 37.
- Each rope is composed of the rope main body 20 of the fifth embodiment shown in FIG.
- the plurality of rope bodies 20 are arranged in a row at intervals in the width direction of the suspension body 7 when the cross section perpendicular to the longitudinal direction of the suspension body 7 is viewed. Further, in FIG. 22, six rope main bodies 20 are used.
- the belt covering body 37 covers a plurality of rope bodies 20 over the entire longitudinal direction of the suspension body 7.
- the configuration of the elevator is the same as that of the first embodiment except that the suspension body 7 is a belt. Moreover, the manufacturing method of each composite strand 22 is also the same as that of the first embodiment.
- Such a suspended body 7 can be applied to a drive sheave 5 having a smaller diameter while ensuring the same strength as when a rope is used as the suspended body 7.
- the strength of the suspension body 7 can be increased as compared with the case where the composite strand 22 is used as each belt wire member.
- all the belt wire members are ropes.
- a rope containing the composite strand 22 may be used as at least one of the plurality of belt wire members.
- two or more types of ropes having different cross-sectional configurations and at least one of the outer diameters may be appropriately mixed in one belt.
- the distance between adjacent ropes may include three or more different distances from each other.
- 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 rope or the belt is used as the suspension body 7 for suspending the car 8.
- the use of ropes and belts is not limited to this.
- ropes and belts can also be applied to elevator governor ropes or compensating bodies.
- the ropes and belts can also be applied to devices other than elevators, such as crane devices.
- 3 hoisting machine 5 drive sheave, 7 suspension body (rope, belt), 8 basket, 9 balancing weight, 11 compensating body, 20 rope body (belt wire member), 22 composite strand (rope strand, belt wire) Member), 23 strand core member, 23a groove, 24 outer wire member, 25 high-strength fiber bundle, 26 matrix resin, 27 high-strength fiber filament, 28 core intermediate, 31 outer peripheral strand (outer wire member), 32 strands, 33 Strand coating, 36 Outer layer coating, 37 Belt coating.
Abstract
Description
本開示に係る複合ストランドは、繊維強化プラスチック製のストランドコア部材、及びストランドコア部材の外周に撚り合わせられている複数本の鋼製の外周線部材を備え、ストランドコア部材の外周面には、複数の溝が設けられており、ストランドコア部材の長手方向に直角な断面において、各外周線部材の一部は、対応する溝に挿入されており、各溝の内面の形状は、各外周線部材の外周面に沿った形状である。
実施の形態1.
図1は、実施の形態1によるエレベーターを示す斜視図である。図において、昇降路1の上方には、機械室2が設けられている。機械室2には、巻上機3及びそらせ車6が設置されている。
次に、図13は、実施の形態2による複合ストランド22の断面図であり、複合ストランド22の長手方向に直角な断面を示している。実施の形態2では、ストランドコア部材23の外周に、複数本の外周線部材として、複数本の外周ストランド31が撚り合わせられている。各外周ストランド31は、互いに撚り合わせられている複数本の鋼製の素線32を含んでいる。
次に、図15は、実施の形態3による懸架体7の断面図であり、懸架体7の長手方向に直角な断面を示している。実施の形態3では、懸架体7の中心に、芯綱21の代わりに、複合ストランド22が配置されている。中心に配置された複合ストランド22の外周には、6本の複合ストランド22が撚り合わせられている。
次に、図16は、実施の形態4による懸架体7の断面図であり、懸架体7の長手方向に直角な断面を示している。実施の形態4のロープ本体20は、実施の形態3のロープ本体20の構成に加えて、樹脂製のストランド被覆体33を有している。ストランド被覆体33は、少なくとも1本の複合ストランド22の外周を覆っている。この例では、ストランド被覆体33は、懸架体7の中心に配置されている複合ストランド22の外周を覆っている。
次に、図17は、実施の形態5による懸架体7の断面図であり、懸架体7の長手方向に直角な断面を示している。実施の形態5のロープ本体20は、芯綱30、樹脂製の中間被覆体34、及び外側ストランド層35を有している。芯綱30の構成は、実施の形態4のロープ本体20の構成と同じである。
次に、図18は、実施の形態6による懸架体7の断面図であり、懸架体7の長手方向に直角な断面を示している。実施の形態6の懸架体7では、図16に示した実施の形態4の懸架体7の中心の複合ストランド22が、図14に示した複合ストランド22に置き換えられている。
次に、図19は、実施の形態7による懸架体7の断面図であり、懸架体7の長手方向に直角な断面を示している。実施の形態7の懸架体7では、図17に示した実施の形態5の外側ストランド層35に含まれている複数本の複合ストランド22が、図14に示した複合ストランド22にそれぞれ置き換えられている。
次に、図20は、実施の形態8による懸架体7の断面図であり、懸架体7の長手方向に直角な断面を示している。実施の形態8の懸架体7は、図17に示した実施の形態5のロープ本体20に加えて、樹脂製の外層被覆体36を有している。外層被覆体36は、ロープ本体20の長手方向の全体に渡って、ロープ本体20の外周を覆っている。
次に、図21は、実施の形態9による懸架体7の断面図であり、懸架体7の長手方向に直角な断面を示している。実施の形態9の懸架体7は、ベルトである。また、実施の形態9の懸架体7は、ベルト線部材としての複数本の複合ストランド22と、樹脂製のベルト被覆体37とを有している。
次に、図22は、実施の形態10による懸架体7の断面図であり、懸架体7の長手方向に直角な断面を示している。実施の形態10の懸架体7は、ベルトである。また、実施の形態10の懸架体7は、ベルト線部材としての複数本のロープと、ベルト被覆体37とを有している。
Claims (23)
- 高強度繊維束に未硬化のマトリクス樹脂を含浸させてなるコア中間体を形成する第1工程、
前記第1工程の後、前記コア中間体の外周に複数本の鋼製の外周線部材を撚り合わせる第2工程、及び
前記第2工程の後、前記マトリクス樹脂を硬化させることによって、前記コア中間体を繊維強化プラスチック製のストランドコア部材にする第3工程
を含む複合ストランドの製造方法。 - 前記第1工程では、複数の高強度繊維フィラメントが互いに撚り合わせられてなる前記高強度繊維束が用いられる請求項1記載の複合ストランドの製造方法。
- 前記第1工程では、複数の高強度繊維フィラメントが互いに撚り合わせられずに束ねられてなる前記高強度繊維束が用いられる請求項1記載の複合ストランドの製造方法。
- 前記第2工程は、前記コア中間体に張力をかけながら実施される請求項1から請求項3までのいずれか1項に記載の複合ストランドの製造方法。
- 前記第3工程は、高周波誘導加熱工程を含む請求項1から請求項4までのいずれか1項に記載の複合ストランドの製造方法。
- 繊維強化プラスチック製のストランドコア部材、及び
前記ストランドコア部材の外周に撚り合わせられている複数本の鋼製の外周線部材
を備え、
前記ストランドコア部材の外周面には、複数の溝が設けられており、
前記ストランドコア部材の長手方向に直角な断面において、
各前記外周線部材の一部は、対応する前記溝に挿入されており、
各前記溝の内面の形状は、各前記外周線部材の外周面に沿った形状である複合ストランド。 - 前記ストランドコア部材の長手方向に直角な断面において、
前記ストランドコア部材の断面積は、全ての前記外周線部材の断面積の合計よりも大きい請求項6記載の複合ストランド。 - 少なくとも1本の前記外周線部材は、外周ストランドであり、
前記外周ストランドは、互いに撚り合わせられている複数本の鋼製の素線を含んでいる請求項6又は請求項7に記載の複合ストランド。 - 少なくとも1本の前記外周ストランドの長手方向に直角な断面の形状は、異形化されて円形になっている請求項8記載の複合ストランド。
- 前記ストランドコア部材は、炭素繊維、ポリパラフェニレンベンズオキサゾール繊維、アラミド繊維、ポリアリレート繊維、ポリエチレン繊維、ガラス繊維、及びバサルト繊維からなる群から選択された少なくとも1種の高強度繊維を含む請求項6から請求項9までのいずれか1項に記載の複合ストランド。
- 前記ストランドコア部材は、可撓性樹脂からなるマトリクス樹脂を含み、
前記可撓性樹脂として、エポキシ樹脂、又はウレタン樹脂が用いられている請求項6から請求項10までのいずれか1項に記載の複合ストランド。 - 前記ストランドコア部材は、可撓性樹脂からなるマトリクス樹脂を含み、
前記可撓性樹脂として、エポキシ樹脂が用いられており、
前記エポキシ樹脂は、液状の主剤を、混合剤と混合して硬化された固体であり、
前記主剤は、エポキシ化合物、及びエポキシ化ポリブタジエンからなる群から選択されており、
前記エポキシ化合物の分子には、ポリオキシアルキレン結合、及びウレタン結合からなる群から選択される1つ以上と、2つ以上のエポキシ基とが含まれ、
前記エポキシ化ポリブタジエンの分子には、2つ以上のエポキシ基が含まれる請求項6から請求項10までのいずれか1項に記載の複合ストランド。 - 各前記外周線部材には、めっきが施されている請求項6から請求項12までのいずれか1項に記載の複合ストランド。
- 複数本のロープストランドを有しているロープ本体
を備え、
前記複数本のロープストランドのうちの少なくとも1本として、請求項6から請求項13までのいずれか1項に記載の複合ストランドが用いられているロープ。 - 前記ロープ本体は、少なくとも1本の前記複合ストランドの外周を覆っている樹脂製のストランド被覆体をさらに有している請求項14記載のロープ。
- 断面構成が互いに異なる2種類以上の前記複合ストランドが、前記ロープストランドとして用いられている請求項14又は請求項15に記載のロープ。
- 前記ロープ本体の外周を覆っている樹脂製の外層被覆体
をさらに備えている請求項14から請求項16までのいずれか1項に記載のロープ。 - 前記外層被覆体は、難燃剤を含んでいる請求項17記載のロープ。
- 長手方向に直角な断面を見たとき、幅方向に互いに間隔をおいて配置されている複数本のベルト線部材、及び
前記複数本のベルト線部材を覆っている樹脂製のベルト被覆体
を備え、
前記複数本のベルト線部材のうちの少なくとも1本として、請求項6から請求項13までのいずれか1項に記載の複合ストランドが用いられているベルト。 - 長手方向に直角な断面を見たとき、幅方向に互いに間隔をおいて配置されている複数本のベルト線部材、及び
前記複数本のベルト線部材を覆っている樹脂製のベルト被覆体
を備え、
前記複数本のベルト線部材のうちの少なくとも1本として、請求項14から請求項18までのいずれか1項に記載のロープが用いられているベルト。 - 前記ベルト被覆体は、難燃剤を含んでいる請求項19又は請求項20に記載のベルト。
- 請求項14から請求項18までのいずれか1項に記載のロープ
を備えているエレベーター。 - 請求項19から請求項21までのいずれか1項に記載のベルト
を備えているエレベーター。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/041713 WO2022097296A1 (ja) | 2020-11-09 | 2020-11-09 | 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 |
CN202080106802.4A CN116507574A (zh) | 2020-11-09 | 2020-11-09 | 复合绞线及其制造方法、绳索、带和电梯 |
DE112020007762.4T DE112020007762T5 (de) | 2020-11-09 | 2020-11-09 | Verbundlitze, Verfahren zur Herstellung einer Verbundlitze, Seil, Gurt und Aufzug |
JP2022554253A JP7279267B2 (ja) | 2020-11-09 | 2020-11-09 | 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 |
KR1020237013404A KR20230073278A (ko) | 2020-11-09 | 2020-11-09 | 복합 스트랜드, 그 제조 방법, 로프, 벨트, 및 엘리베이터 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/041713 WO2022097296A1 (ja) | 2020-11-09 | 2020-11-09 | 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 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022097296A1 true WO2022097296A1 (ja) | 2022-05-12 |
Family
ID=81457681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2020/041713 WO2022097296A1 (ja) | 2020-11-09 | 2020-11-09 | 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 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP7279267B2 (ja) |
KR (1) | KR20230073278A (ja) |
CN (1) | CN116507574A (ja) |
DE (1) | DE112020007762T5 (ja) |
WO (1) | WO2022097296A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08158275A (ja) * | 1994-11-25 | 1996-06-18 | Tokyo Seiko Co Ltd | 高強度ワイヤロープ |
KR20140000075U (ko) * | 2012-06-27 | 2014-01-07 | 와바다다 주식회사 | 공중하강 체험시설용 와이어로프 |
US20140069074A1 (en) * | 2011-02-12 | 2014-03-13 | Casar Drahtseilwerk Saar Gmbh | Method for producing a strand or cable |
WO2014053601A1 (en) * | 2012-10-05 | 2014-04-10 | Nv Bekaert Sa | Hybrid rope |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03251408A (ja) * | 1990-02-28 | 1991-11-08 | Sekisui Chem Co Ltd | 連続する補強繊維への樹脂含浸方法 |
JP3433867B2 (ja) * | 1995-05-02 | 2003-08-04 | 三菱レイヨン株式会社 | 繊維強化樹脂ストランドの製造方法 |
JPH10138242A (ja) * | 1996-11-08 | 1998-05-26 | Chisso Corp | 長繊維強化ポリプロピレン構造物 |
DE112016006384T5 (de) | 2016-02-10 | 2018-11-22 | Mitsubishi Electric Corporation | Fahrstuhl-Seil und zugehöriges Herstellungsverfahren |
-
2020
- 2020-11-09 KR KR1020237013404A patent/KR20230073278A/ko unknown
- 2020-11-09 JP JP2022554253A patent/JP7279267B2/ja active Active
- 2020-11-09 CN CN202080106802.4A patent/CN116507574A/zh active Pending
- 2020-11-09 DE DE112020007762.4T patent/DE112020007762T5/de active Pending
- 2020-11-09 WO PCT/JP2020/041713 patent/WO2022097296A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08158275A (ja) * | 1994-11-25 | 1996-06-18 | Tokyo Seiko Co Ltd | 高強度ワイヤロープ |
US20140069074A1 (en) * | 2011-02-12 | 2014-03-13 | Casar Drahtseilwerk Saar Gmbh | Method for producing a strand or cable |
KR20140000075U (ko) * | 2012-06-27 | 2014-01-07 | 와바다다 주식회사 | 공중하강 체험시설용 와이어로프 |
WO2014053601A1 (en) * | 2012-10-05 | 2014-04-10 | Nv Bekaert Sa | Hybrid rope |
Also Published As
Publication number | Publication date |
---|---|
JP7279267B2 (ja) | 2023-05-22 |
JPWO2022097296A1 (ja) | 2022-05-12 |
KR20230073278A (ko) | 2023-05-25 |
CN116507574A (zh) | 2023-07-28 |
DE112020007762T5 (de) | 2023-08-24 |
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 | |
RU2553967C2 (ru) | Канат или ремень с покрытием для подъемных систем | |
AU756246B2 (en) | Stranded synthetic fiber rope | |
US6397574B1 (en) | Sheathless synthetic fiber rope | |
KR101088325B1 (ko) | 마찰 결합 동력 전달을 위한 보강재를 갖는 합성 섬유 로프 및 확실한 결합 동력 전달을 위한 보강재를 갖는 합성 섬유 로프 | |
US11866300B2 (en) | Overbraided non-metallic tension members | |
JP6452839B2 (ja) | エレベータ用ロープ及びその製造方法 | |
JP4064668B2 (ja) | 複合型ワイヤロープ | |
WO2017138228A1 (ja) | エレベータロープ及びその製造方法 | |
JP2014507349A (ja) | エレベータシステムベルト | |
WO2022097296A1 (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 | |
WO2022044213A1 (ja) | ベルト、その製造方法、及びエレベーター | |
EP1329413B1 (en) | Hoisting rope | |
WO2022079836A1 (ja) | エレベータ用ロープ及びその製造方法 | |
US20130270044A1 (en) | Elevator suspension and/or driving arrangement | |
WO2022085085A1 (ja) | 高強度繊維集合体、ロープ、ロープ構造体 | |
WO2024089885A1 (ja) | ロープ及びそれを用いたベルト | |
WO2023157165A1 (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 | |
JP7483153B2 (ja) | ロープ及びその製造方法 | |
WO2024013793A1 (ja) | エレベーター用ロープ及びエレベーター装置 | |
WO2023053192A1 (ja) | ロープ及びその製造方法 | |
JP7321390B2 (ja) | エレベータ用ロープ | |
KR20200126970A (ko) | 합성 로프 |
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: 20960848 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022554253 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20237013404 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202080106802.4 Country of ref document: CN |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20960848 Country of ref document: EP Kind code of ref document: A1 |