EP2592033B1 - Aufzugzeil - Google Patents
Aufzugzeil Download PDFInfo
- Publication number
- EP2592033B1 EP2592033B1 EP10854422.2A EP10854422A EP2592033B1 EP 2592033 B1 EP2592033 B1 EP 2592033B1 EP 10854422 A EP10854422 A EP 10854422A EP 2592033 B1 EP2592033 B1 EP 2592033B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rope
- outer layer
- strands
- coating body
- elevator
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 239000011248 coating agent Substances 0.000 claims description 60
- 238000000576 coating method Methods 0.000 claims description 60
- 238000012360 testing method Methods 0.000 claims description 49
- 238000004519 manufacturing process Methods 0.000 claims description 26
- 239000011295 pitch Substances 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 description 55
- 230000005856 abnormality Effects 0.000 description 13
- 238000010276 construction Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
-
- 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
-
- 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
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/148—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising marks or luminous elements
-
- 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
- D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
Definitions
- the present invention relates to an elevator rope in which an outer circumference is covered by a resin outer layer coating body.
- a synthetic resin coating layer is disposed on an outer circumference of a fiber rope main body, and a manufacturing or selling period is printed on the surface of this synthetic resin coating layer at a predetermined pitch (see Patent Literature 1, for example).
- Patent Literature 1 Japanese Utility Model No. 3092239 (Gazette )
- the present invention aims to solve the above problems and an object of the present invention is to provide an elevator rope in which test results during manufacturing can be easily confirmed visually in each portion even after shipment.
- an elevator rope according to claim 1.
- the elevator rope includes: a rope main body; and a resin outer layer coating body that is coated onto an outer circumference of the rope main body, wherein test result information that corresponds to a given position of a test that is carried out continuously and at a predetermined pitch in a rope longitudinal direction during manufacturing is applied to a surface of the outer layer coating body at a predetermined pitch.
- test result information that corresponds to a given position of a test that is carried out in a rope longitudinal direction during manufacturing is applied to the surface of the outer layer coating boy at a predetermined pitch, the results of tests during manufacturing can be easily checked visually in each portion even after shipment.
- Figure 1 is a side elevation that shows an elevator rope according to Embodiment 1 of the present invention
- Figure 2 is a cross section of the elevator rope in Figure 1 .
- a single steel core strand 1 is disposed centrally in an elevator rope.
- a resin core strand coating body 2 is disposed on an outer circumference of the core strand 1.
- a plurality of (in this case, eight) steel core rope strands 3 are twisted together on an outer circumference of the core strand coating body 2.
- a resin core rope coating body 5 is disposed on an outer circumference of a core rope strand assembly 4 that is constituted by the eight core rope strands 3 and the core strand coating body 2.
- a core rope 6 is constituted by the core strand 1, the core strand coating body 2, the core rope strands 3, and the core rope coating body 5.
- a plurality of (in this case, twenty) steel outer layer strands 7 are twisted together on the outer circumference of the core rope coating body 5.
- a rope main body 8 is constituted by the core rope 6 and the outer layer strands 7.
- a resin outer layer coating body 9 is disposed on the outer circumference of the rope main body 8. The outer layer strands 7 and the outer layer coating body 9 are fixed using an adhesive.
- All of the strands including the core strand 1, the core rope strands 3, and the outer layer strands 7, are compressed (plastic working) from an outer circumference by a die during manufacturing to modify cross-sectional shapes of wires therein.
- the core strand 1 and the core rope strands 3 have three-layer constructions in which two layers of wires are bound on an outer circumference of a central wire.
- the cross-sectional constructions of the core strand 1 and the core rope strands 3 are Seale.
- the lay lengths of the two layers of wires in the core strand 1 and the core rope strands 3 are equal.
- the core strand 1 and the core rope strands 3 are constituted by parallel lays.
- the outer layer strands 7 have a two-layer construction in which a single layer of wires is bound on an outer circumference of a central wire.
- Resins that have a certain amount of hardness such as polyethylene or polypropylene, for example, are used as the materials for the core strand coating body 2 and the core rope coating body 5, since it is necessary to bear pressure from the core rope strands 3 and the outer layer strands 7.
- the core strand coating body 2 and the core rope coating body 5 are constituted by resins that are cross-linked by introducing a cross-linking agent.
- the coefficients of friction of the core strand coating body 2 and the core rope coating body 5 should be reasonably low in order to increase flexibility of the elevator rope and also to reduce loss that occurs during flexing by the sheaves.
- the materials of the core strand coating body 2 and the core rope coating body 5 are harder than the material of the outer layer coating body 9 and to have lower coefficients of friction relative to identical metal materials.
- the core strand coating body 2 and the core rope coating body 5 it is preferable for the core strand coating body 2 and the core rope coating body 5 to have superior wear resistance since slippage arises against the core strand 1, the core rope strands 3, and the outer layer strands 7.
- the outer layer coating body 9 is constituted by a resin that has sufficient wear resistance at a coefficient of friction on the sheaves that is greater than or equal to 0.2, such as a polyurethane, for example.
- the outer layer strands 7 are constituted by a resin that is cross-linked by introducing a cross-linking agent.
- the core strand coating body 2 and the core rope coating body 5 it is preferable for the core strand coating body 2 and the core rope coating body 5 to enter between the adjacent core rope strands 3 and be in contact with each other as shown in Figure 2 , even when subjected to tension during use. It is also preferable for the core rope coating body 5 and the outer layer coating body 9 to enter between the adjacent outer layer strands 7 and be in contact with each other as shown in Figure 2 , even when subjected to tension during use.
- Test result information 31 that corresponds to a given position of tests that are carried out during manufacturing and rope longitudinal position information 32 are applied to a surface of the outer layer coating body 9 at a predetermined pitch.
- the test result information 31 and the position information 32 are printed on the outer layer coating body 9 using a printer or a laser marker, for example.
- the tests during manufacturing are carried out after coating of the outer layer coating body 9 in the manufacturing step, or in a testing step that is separate from the manufacturing step.
- the tests during manufacturing are carried out continuously and at a predetermined pitch in a longitudinal direction of the rope.
- Examples of content of the tests include a rope diameter test using a laser outside diameter measuring instrument, a coating thickness test using an ultrasonic wave sensor or an eddy current sensor, and a wire breakage test using a magnetic leakage rope tester, for example.
- the respective results of the tests are recorded separately in association with a batch number and a longitudinal position, and an overall determined result of all of the tests is applied to the outer layer coating body 9. Specifically, if the results of all of the tests are free of abnormality, "OK” is printed, and if there is even a single abnormality, "NG” is printed.
- an elevator rope is manufactured to a length from 2,000 mm to 6,000 m, and then cut to a required length depending on the elevator apparatus in which it will be used. If the test result information 31 is "NG", then the elevator rope is produced by cutting so as to avoid that portion. Depending on the test item and the extent that the abnormality is detected, overall production of the elevator rope may also be postponed.
- a manufactured length i.e., a length from an end portion during manufacturing (before cutting), is applied to the outer layer coating body 9 as the position information 32.
- the manufactured length is applied every 0.1 m.
- test result information 31 and the position information 32 are applied to identical circumferential positions on the outer layer coating body 9.
- the test result information 31 and the position information 32 are applied in a single straight line that is parallel to the axis of the elevator rope.
- the position information 32 is recorded together with the test result information 31, collation between the test data and the actual article is facilitated.
- the position thereof on the elevator rope can be ascertained immediately as a numerical value.
- the elevator rope is to be cut to a required length, it is no longer necessary to use a special length measuring machine separately.
- the car By recording in advance which portions of the elevator rope are positioned at guide positions that are disposed on the hoisting machine, when the car is to be stopped at a floor alignment position, the car can be moved to the floor alignment position precisely, when operating the hoisting machine manually to carry out a rescue operation, for example.
- the degree of twisting of the elevator rope can be checked when the car and the counterweight are suspended.
- the print pitch it is also desirable for the print pitch to be within two pitches of the lay pitch of the outer layer strands 7 in order to check the lay. In other words, making the pitch as short as possible makes the printing like a continuous line, and is preferable for checking the lay. However, when printing length is taken into consideration, less than a single pitch is often difficult. At three pitches or more, on the other hand, it is difficult to determine whether distortion of the printing is due to rotation of the elevator rope, or whether it is due to tightening or unwinding of the lay.
- a single pitch of the lay of the outer layer strands 7 is normally in the order of 6.5 times an elevator rope diameter. If the elevator rope diameter is 12 mm, for example, a single pitch of the lay is in the order of 70 through 80 mm, and two pitches of the lay are in the order of 140 through 160 mm. Consequently, the print pitch of 100 mm that is shown in Figure 1 can be said to be within a preferred range.
- the coefficient of friction between the outer layer coating body 9 and a driving sheave is large, making slippage of the elevator rope relative to the driving sheave less likely to occur. Because of this, the test result information 31 and the position information 32 are less likely to be ablated by abrasion. If, however, it is anticipated that the printing will disappear during use due to operating conditions, etc., it is preferable for the printing depth of the test result information 31 and the position information 32 to be deepened using a laser marker, etc.
- the core strand coating body 2 and the core rope coating body 5 are constituted by cross-linked resin materials, durability is increased against temperature increases due to use in high-temperature environments or due to the continuous action of flexing, etc., enabling service life to be extended.
- the outer layer coating body 9 is also constituted by a cross-linked resin material, durability is increased against temperature increases due to use in high-temperature environments or due to the continuous action of flexing, etc., enabling service life to be extended. Deterioration in strength from temperature increases due to slippage between the sheaves and the elevator rope during emergency braking can also be prevented, enabling sufficient deceleration performance to be maintained.
- Figure 3 is a side elevation that shows an elevator rope according to Embodiment 2 of the present invention.
- manufacturing information 33 is recorded on a surface of an outer layer coating body 9 in addition to test result information 31 and position information 32.
- Examples of manufacturing information 33 include a manufacturer's name, a batch number, and a manufacturing date.
- the manufacturing information 33 is printed at a pitch equal to that of the test result information 31 and the position information 32 in a longitudinal direction of a rope.
- the manufacturing information 33 is printed so as to be offset to a position that is different than that of the test result information 31 and the position information 32 in a circumferential direction of the outer layer coating body 9.
- the rest of the configuration is similar or identical to that of Embodiment 1.
- the cross-sectional construction of the elevator rope according to the present invention is not limited to the construction in Figure 2 . It may also be a construction in which shaping is not applied to the core strand 1, or a construction in which the respective numbers of core rope strands 3 and outer layer strands 7 are reduced (six core rope strands and sixteen outer layer strands, for example), or a two-layer construction in which the core rope strands 3 and the core rope coating body 5 are omitted, for example.
- elevator rope that has a circular cross section is shown, but "elevator rope” as it is expressed in the present invention is used in the broadest sense, and also includes ropes that have flat cross-sectional shapes, such as belts.
- test result information 31 may also represent the results for each of the tests.
- the test result information 31 can be displayed compactly if the test results are displayed so as to be coded in a predetermined sequence.
- the results of the rope diameter test, the coating thickness test, and the wire breakage testing that are described above can be represented by a three-digit numeral using a "0" if free of abnormality, and a "1" if an abnormality is present, for example.
- the presence or absence of abnormalities can also be represented by a sequence of symbols such as "O" or "X".
- FIG 4 is a side elevation that shows an example of an elevator apparatus to which the elevator rope according to Embodiment 1 or 2 is applied.
- a machine room 12 is disposed in an upper portion of a hoistway 11.
- a machine base 13 is installed inside the machine room 12.
- a hoisting machine 14 is supported on the machine base 13.
- the hoisting machine 14 has a driving sheave 15 and a hoisting machine main body 16.
- the hoisting machine main body 16 has: a hoisting machine motor that rotates the driving sheave 15; and a hoisting machine brake that brakes the rotation of the driving sheave 15.
- a deflecting sheave 17 is mounted to the machine base 13.
- a plurality of elevator ropes 18 that function as a suspending means are wound around the driving sheave 15 and the deflecting sheave 17. Portions of the elevator ropes 18 that are nearer to the counterweight 10 than the driving sheave 15 are wound around the deflecting sheave 17.
- a car 19 is suspended on first end portions of the elevator ropes 18. Specifically, the car 19 is suspended inside the hoistway 11 by the elevator ropes 18 on a first side of the driving sheave 15.
- a counterweight 20 is suspended on second end portions of the elevator ropes 18. Specifically, the counterweight 20 is suspended by the elevator ropes 18 on a second side of the driving sheave 15.
- a pair of car guide rails 21 that guide raising and lowering of the car 19 and a pair of counterweight guide rails 22 that guide raising and lowering of the counterweight 20 are installed inside the hoistway 11.
- Emergency stopper apparatuses 23 that make the car 19 perform an emergency stop by engaging with the car guide rail 21 are mounted to the car 19.
- the type of elevator apparatus to which the elevator rope according to the present invention is applied is not limited to the type in Figure 4 .
- the present invention can also be applied to machine-roomless elevators, elevator apparatuses that use two-to-one (2:1) roping methods, multi-car elevators, or double-deck elevators.
- the elevator rope according to the present invention can also be applied to ropes other than ropes for suspending a car 19, such as compensating ropes or governor ropes, for example.
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Ropes Or Cables (AREA)
Claims (3)
- Aufzugsseil, mit:einem Seilhauptkörper (8); undeinem Harzaußenschicht-Beschichtungskörper (9), der auf einen äußeren Umfang des Seilhauptkörpers (8) beschichtet ist,dadurch gekennzeichnet, dasseine Testergebnisinformation (31), die einer gegebenen Position eines Tests entspricht, der kontinuierlich und in einem vorbestimmten Abstand in einer Seillängsrichtung während einer Herstellung ausgeführt wird, auf eine Oberfläche des Außenschicht-Beschichtungskörpers (9) in einem vorbestimmten Abstand aufgebracht ist.
- Aufzugsseil nach Anspruch 1, wobei eine Seillängspositionsinformation (32) auf der Oberfläche des Außenschicht-Beschichtungskörpers (9) zusammen mit der Testergebnisinformation (31) festgehalten ist.
- Aufzugsseil nach Anspruch 1, wobei:der Seilhauptkörper (8) eine Vielzahl an Strängen (7) umfasst, die auf einen äußeren Umfang von ihm gelegt sind; undder Abstand, in welchem die Testergebnisinformation (31) aufgebracht ist, innerhalb von zwei Abständen eines Lege-Abstands der Stränge (7) liegt.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/061529 WO2012004867A1 (ja) | 2010-07-07 | 2010-07-07 | エレベータ用ロープ |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2592033A1 EP2592033A1 (de) | 2013-05-15 |
EP2592033A4 EP2592033A4 (de) | 2016-04-06 |
EP2592033B1 true EP2592033B1 (de) | 2017-03-29 |
Family
ID=45440869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10854422.2A Active EP2592033B1 (de) | 2010-07-07 | 2010-07-07 | Aufzugzeil |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2592033B1 (de) |
JP (1) | JP5377769B2 (de) |
KR (1) | KR101337845B1 (de) |
CN (1) | CN102958822B (de) |
WO (1) | WO2012004867A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012105261A1 (de) * | 2012-06-18 | 2013-12-19 | Casar Drahtseilwerk Saar Gmbh | Verfahren und Vorrichtung zur Herstellung eines Seils |
JP2016033269A (ja) * | 2014-07-31 | 2016-03-10 | 芦森工業株式会社 | ロープ |
WO2016079799A1 (ja) * | 2014-11-18 | 2016-05-26 | 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 |
US9675739B2 (en) | 2015-01-22 | 2017-06-13 | Tc1 Llc | Motor assembly with heat exchanger for catheter pump |
CN105084142B (zh) * | 2015-08-25 | 2017-06-13 | 上海新时达线缆科技有限公司 | 电梯电缆的寿命检测装置及检测方法 |
CN109071172B (zh) * | 2016-05-13 | 2020-06-16 | 三菱电机株式会社 | 电梯用绳索和绳索扭转状态检测装置 |
JP6958975B2 (ja) * | 2019-11-12 | 2021-11-02 | 東芝エレベータ株式会社 | エレベータのロープ検査システム |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4742308Y1 (de) * | 1968-10-01 | 1972-12-21 | ||
JPH0392239U (de) * | 1990-01-11 | 1991-09-19 | ||
JPH03111728U (de) * | 1990-02-27 | 1991-11-15 | ||
JP3329984B2 (ja) * | 1995-04-03 | 2002-09-30 | 新日本製鐵株式会社 | 防食層被覆ケーブルの製造方法 |
JP4640907B2 (ja) * | 2000-08-24 | 2011-03-02 | 三菱電機株式会社 | エレベーター用合成繊維ロープ |
US7117981B2 (en) * | 2001-12-19 | 2006-10-10 | Otis Elevator Company | Load bearing member for use in an elevator system having external markings for indicating a condition of the assembly |
JP3092239U (ja) * | 2002-08-21 | 2003-03-07 | 東京製綱繊維ロープ株式会社 | 工事用繊維ロープ |
JP2004132861A (ja) * | 2002-10-11 | 2004-04-30 | Toppan Printing Co Ltd | 布線検査機及び布線検査方法並びに布線検査システム |
JP3111728U (ja) * | 2004-05-10 | 2005-07-28 | 合資会社オフィス ケー | ケーブル |
WO2006099770A1 (de) * | 2005-03-22 | 2006-09-28 | Inventio Ag | Verfahren zur erfassung des zustands der aufzugskabine und aufzugsanlage, in der das verfahren angewandt ist. |
JP4514059B2 (ja) * | 2006-12-11 | 2010-07-28 | 日東電工株式会社 | シート状成形体の検査結果記録方法及び検査結果記録システム |
KR100942413B1 (ko) * | 2007-10-18 | 2010-02-17 | 인태환 | 케이블카, 콘도라, 스키리프트에서 사용하는 케이블 및 로프 검사용 시스템 |
-
2010
- 2010-07-07 CN CN201080067872.XA patent/CN102958822B/zh active Active
- 2010-07-07 KR KR1020127030570A patent/KR101337845B1/ko active IP Right Grant
- 2010-07-07 WO PCT/JP2010/061529 patent/WO2012004867A1/ja active Application Filing
- 2010-07-07 EP EP10854422.2A patent/EP2592033B1/de active Active
- 2010-07-07 JP JP2012523470A patent/JP5377769B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
WO2012004867A1 (ja) | 2012-01-12 |
EP2592033A4 (de) | 2016-04-06 |
KR101337845B1 (ko) | 2013-12-06 |
EP2592033A1 (de) | 2013-05-15 |
JP5377769B2 (ja) | 2013-12-25 |
KR20130031263A (ko) | 2013-03-28 |
JPWO2012004867A1 (ja) | 2013-09-02 |
CN102958822B (zh) | 2015-03-11 |
CN102958822A (zh) | 2013-03-06 |
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