WO2011114514A1 - エレベータの楔式ロープ留め装置 - Google Patents
エレベータの楔式ロープ留め装置 Download PDFInfo
- Publication number
- WO2011114514A1 WO2011114514A1 PCT/JP2010/054824 JP2010054824W WO2011114514A1 WO 2011114514 A1 WO2011114514 A1 WO 2011114514A1 JP 2010054824 W JP2010054824 W JP 2010054824W WO 2011114514 A1 WO2011114514 A1 WO 2011114514A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall surface
- rope
- wedge
- hole
- elevator
- Prior art date
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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
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/39—Cord and rope holders
- Y10T24/3969—Sliding part or wedge
- Y10T24/3971—Rope looped about movable member
Definitions
- This invention relates to an elevator wedge-type rope fastening device attached to an end of a rope.
- the end of the rope is folded to form a loop portion, and the wedge and the wedge are arranged inside the loop portion, and the rope and the wedge are inserted into the tapered through hole of the socket of the elevator.
- a wedge-type rope fastening device is known. When the tensile load acts on the rope, the rope and the wedge are drawn into the through hole, and the rope is sandwiched between the inner wall surface of the socket and the wedge (see, for example, Patent Document 1).
- This invention is to provide an elevator wedge-type rope fastening device that makes it difficult to cause breakage of the rope.
- the elevator wedge-type rope fastening device includes a socket in which a through hole having a first inner wall surface and a second inner wall surface inclined with respect to the first inner wall surface is formed. And a second outer wall surface inclined with respect to the first outer wall surface, and a rope is wound between the first inner wall surface and the first outer wall surface, A wedge between which the rope is sandwiched between the second inner wall surface and the second outer wall surface, and an inclination angle of the second outer wall surface with respect to the first outer wall surface It is larger than the inclination angle of the second inner wall surface with respect to the wall surface.
- the inclination angle of the second outer wall surface with respect to the first outer wall surface is larger than the inclination angle of the second inner wall surface with respect to the first inner wall surface.
- FIG. 1 is a front view showing a wedge-type rope fastening device for an elevator according to Embodiment 1 of the present invention.
- an elevator wedge-type rope fastening device includes a steel socket 2 in which a through-hole 1 is formed, a polymer-made wedge 3 inserted into the through-hole 1, and a shackle rod fixed to the socket 2. 4 is provided.
- the shackle rod 4 is connected to a hoistway, a car or a counterweight.
- the through-hole 1 has a first inner wall surface 1a and a second inner wall surface 1b inclined with respect to the first inner wall surface 1a.
- the wedge 3 is inserted from the inlet of the through hole 1 toward the outlet.
- the distance between the first inner wall surface 1a and the second inner wall surface 1b at the inlet of the through hole 1 is the distance between the first inner wall surface 1a and the second inner wall surface 1b at the outlet of the through hole 1. Is bigger than.
- the wedge 3 has a first outer wall surface 3a and a second outer wall surface 3b inclined with respect to the first outer wall surface 3a.
- the wedge 3 is inserted into the through hole 1 from a portion where the distance between the first outer wall surface 3a and the second outer wall surface 3b is narrow.
- the first outer wall surface 3a and the first inner wall surface 1a face each other, and the second outer wall surface 3b and the second inner wall surface 1b face each other. It has become.
- the inclination angle ⁇ of the second outer wall surface 3b with respect to the first outer wall surface 3a is larger than the inclination angle ⁇ of the second inner wall surface 1b with respect to the first inner wall surface 1a. Further, the inclination angle ⁇ is equal to or less than an angle obtained by adding 3 ° to the inclination angle ⁇ . That is, the relationship between the inclination angle ⁇ and the inclination angle ⁇ satisfies the following expression (1). ⁇ ⁇ ⁇ + 3 (1)
- the end of the rope 5 is wound around the wedge 3.
- the end of the rope 5 is folded by being wound around the wedge 3.
- the rope 5 is provided continuously to the rope main body 5a, the arc main body 5a, the arc portion 5b bent in an arc shape, and the arc portion 5b on the opposite side of the rope main body 5a.
- a return portion 5c The rope body 5 a extends from the socket 2 toward the side opposite to the shackle rod 4.
- the return portion 5 c is fastened to the rope body 5 a using the fastener 6.
- the wedge 3 is inserted into the through hole 1 with the rope 5 wound around the wedge 3. At this time, the rope body 5a is sandwiched between the first inner wall surface 1a and the first outer wall surface 3a, and the return portion 5c is sandwiched between the second inner wall surface 1b and the second outer wall surface 3b. .
- the first inner wall surface 1a, the second inner wall surface 1b, the first outer wall surface 3a, and the second outer wall surface 3b are coated with a fluorine paint (low friction coating) that reduces the frictional force acting between the rope 5 and the first inner wall surface 1a. ) Is applied.
- a fluorine paint low friction coating
- FIG. 2 is a front view showing an elevator wedge-type rope fastening device in a state in which a tensile load is applied to the rope 5 of FIG.
- the wedge 3 and the portion of the rope 5 wound around the wedge 3 are drawn toward the outlet of the through hole 1.
- the rope body 5a is sandwiched between the first inner wall surface 1a and the first outer wall surface 3a, and the return portion 5c is the second inner wall surface 1b. And the second outer wall surface 3b.
- compressive stress acts on the rope main body 5a and the return part 5c.
- the inclination angle ⁇ of the second outer wall surface 3b with respect to the first outer wall surface 3a is larger than the inclination angle ⁇ of the second inner wall surface 1b with respect to the first inner wall surface 1a.
- the compressive stress acting on the portion of the rope body 5a in the vicinity of the exit of the through hole 1 is smaller than the compressive stress acting on the portion of the rope body 5a in the vicinity of the entrance of the through hole 1.
- the thickness d2 in the portion of the rope body 5a in the vicinity of the exit of the through hole 1 is larger than the thickness d1 in the portion of the rope body 5a in the vicinity of the entrance of the through hole 1.
- the tensile strength of the portion of the rope body 5 a near the exit of the through hole 1 is greater than the tensile strength of the portion of the rope body 5 a near the entrance of the through hole 1.
- the inclination angle ⁇ of the second outer wall surface 3b with respect to the first outer wall surface 3a is the first inner wall surface 1a. Is larger than the inclination angle ⁇ of the second inner wall surface 1b with respect to the rope 5, when the rope 5 and the wedge 3 are drawn into the through-hole 1 due to the tensile load acting on the rope 5, the rope near the outlet of the through-hole 1
- the compressive stress acting on the portion of the main body 5a is smaller than the compressive stress acting on the portion of the rope main body 5a in the vicinity of the entrance of the through hole 1.
- the tensile strength of the portion of the rope body 5 a near the outlet of the through hole 1 is larger than the tensile strength of the portion of the rope body 5 a near the inlet of the through hole 1.
- the occurrence of breakage of the portion of the rope 5 in the vicinity of the exit of the through hole 1 is suppressed, and the breakage of the rope 5 can be made difficult to occur.
- the thickness of the wire constituting the outer layer strand is reduced, and this wire is likely to be cut.
- the compressive stress acting on the portion of the rope 5 in the vicinity of the exit of the hole 1 is smaller than the compressive stress acting on the portion of the rope body 5 a in the vicinity of the entrance of the through hole 1, the wire of the outer layer strand in the vicinity of the exit of the through hole 1 Can be prevented, and the tensile strength of the rope 5 can be improved.
- the socket 2 is made of steel, it is possible to suppress the deformation of the socket 2 when a tensile load is applied to the rope 5.
- the wedge 3 is made of a polymer material, it can be easily formed.
- first inner wall surface 1a and the second inner wall surface 1b are coated with fluorine paint, the first inner wall surface 1a and the rope 5 and the second inner wall surface 1b and the rope 5 are covered.
- the frictional force acting between the two can be reduced.
- the rope 5 is covered with a resin having a large friction coefficient, when a tensile load is applied to the rope 5, the rope is applied to the first inner wall surface 1a and the second inner wall surface 1b. It is possible to prevent insufficient pulling of the rope 5 into the through hole 1 that occurs when the 5 does not slip.
- first outer wall surface 3a and the second outer wall surface 3b are coated with fluorine paint, the first outer wall surface 3a and the rope 5 and between the second outer wall surface 3b and the rope 5 are coated.
- the frictional force acting between the two can be reduced.
- the rope 5 is covered with a resin having a large friction coefficient, when the tensile load is applied to the rope 5, the rope is applied to the first outer wall surface 3a and the second outer wall surface 3b.
- the formation of a gap between the circular arc portion 5b and the wedge 3 generated by the non-slip 5 is prevented, and an increase in compressive stress acting on the rope 5 from the first outer wall surface 3a and the second outer wall surface 3b is prevented.
- the rope 5 can be prevented from being broken.
- the low-friction coating is a fluorine paint
- the low-friction coating is easily provided on the first inner wall surface 1a, the second inner wall surface 1b, the first outer wall surface 3a, and the second outer wall surface 3b. be able to.
- an elevator wedge-type rope in which a low friction covering is applied to the first inner wall surface 1a, the second inner wall surface 1b, the first outer wall surface 3a, and the second outer wall surface 3b.
- a rope fastening device may be used.
- an elevator wedge-type rope clamp in which a low friction covering is provided on any one of the first inner wall surface 1a, the second inner wall surface 1b, the first outer wall surface 3a, and the second outer wall surface 3b. It may be a device.
- the low-friction coating provided on the first inner wall surface 1a, the second inner wall surface 1b, the first outer wall surface 3a, and the second outer wall surface 3b is a fluorine paint.
- the low-friction coating is not limited to the fluorine paint, and may be metal plating.
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
図1はこの発明の実施の形態1に係るエレベータの楔式ロープ留め装置を示す正面図である。図において、エレベータの楔式ロープ留め装置は、貫通孔1が形成された鋼鉄製のソケット2と、貫通孔1に挿入される高分子材料製の楔3と、ソケット2に固定されたシャックルロッド4とを備えている。シャックルロッド4は、昇降路、かごまたは釣合い錘に対して接続される。
α<β≦α+3 (1)
Claims (5)
- 第1の内壁面と、前記第1の内壁面に対して傾斜した第2の内壁面とを有する貫通孔が形成されたソケットと、
第1の外壁面と、前記第1の外壁面に対して傾斜した第2の外壁面とを有し、ロープが巻き掛けられ、前記第1の内壁面と前記第1の外壁面との間と、前記第2の内壁面と前記第2の外壁面との間に前記ロープが挟まれる楔とを備え、
前記第1の外壁面に対する前記第2の外壁面の傾斜角度は、前記第1の内壁面に対する前記第2の内壁面の傾斜角度よりも大きいことを特徴とするエレベータの楔式ロープ留め装置。 - 前記ソケットは、鋼鉄から構成されていることを特徴とする請求項1に記載のエレベータの楔式ロープ留め装置。
- 前記第1の内壁面、前記第2の内壁面、前記第1の外壁面および前記第2の外壁面の少なくとも一つに設けられ、前記ロープとの間に作用する摩擦力を低減させる低摩擦被覆体をさらに備えたことを特徴とする請求項1または請求項2に記載のエレベータの楔式ロープ留め装置。
- 前記低摩擦被覆体は、塗料であることを特徴とする請求項3に記載のエレベータの楔式ロープ留め装置。
- 前記低摩擦被覆体は、金属メッキであることを特徴とする請求項3に記載のエレベータの楔式ロープ留め装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/522,986 US20120291230A1 (en) | 2010-03-19 | 2010-03-19 | Wedge type rope fastening device for elevator |
CN2010800653332A CN102791606A (zh) | 2010-03-19 | 2010-03-19 | 电梯的楔式绳头组合装置 |
JP2012505411A JPWO2011114514A1 (ja) | 2010-03-19 | 2010-03-19 | エレベータの楔式ロープ留め装置 |
PCT/JP2010/054824 WO2011114514A1 (ja) | 2010-03-19 | 2010-03-19 | エレベータの楔式ロープ留め装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/054824 WO2011114514A1 (ja) | 2010-03-19 | 2010-03-19 | エレベータの楔式ロープ留め装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011114514A1 true WO2011114514A1 (ja) | 2011-09-22 |
Family
ID=44648640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/054824 WO2011114514A1 (ja) | 2010-03-19 | 2010-03-19 | エレベータの楔式ロープ留め装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120291230A1 (ja) |
JP (1) | JPWO2011114514A1 (ja) |
CN (1) | CN102791606A (ja) |
WO (1) | WO2011114514A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102678825A (zh) * | 2012-05-24 | 2012-09-19 | 无锡市新华起重工具有限公司 | 钢丝绳快速连接器 |
CN104955759A (zh) * | 2012-12-04 | 2015-09-30 | 蒂森克虏伯电梯股份公司 | 线缆夹具、以及具有线缆夹具的提升系统 |
US10843903B2 (en) | 2018-03-23 | 2020-11-24 | Otis Elevator Company | Drive belt for a people conveyor |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9840397B2 (en) * | 2012-11-29 | 2017-12-12 | Inventio Ag | Elevator installation |
CN102992147B (zh) * | 2012-12-05 | 2014-08-20 | 江南嘉捷电梯股份有限公司 | 一种电梯钢丝绳绳端连接结构 |
CA2978508C (en) * | 2015-04-30 | 2023-10-10 | Inventio Ag | Elevator suspension means |
US9908674B2 (en) | 2015-10-14 | 2018-03-06 | Accent Packaging, Inc. | Baling system buckles for securing a bale |
CN105692391A (zh) * | 2016-03-11 | 2016-06-22 | 南通昌荣机电有限公司 | 一种电梯钢带楔套悬吊装置 |
US10689230B2 (en) | 2016-12-02 | 2020-06-23 | Otis Elevator Company | Elevator system suspension member termination with improved pressure distribution |
JP6779192B2 (ja) * | 2017-11-07 | 2020-11-04 | 株式会社日立製作所 | 楔式ロープ止め装置 |
CN208761936U (zh) * | 2018-05-02 | 2019-04-19 | 贝卡尔特公司 | 一种适用于安装在电梯装置中的电梯绳索及连接件 |
CN108861959B (zh) * | 2018-09-15 | 2023-11-14 | 浙江曼普实业有限公司 | 一种电梯绳头组合 |
Citations (3)
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JP2006513962A (ja) * | 2003-06-18 | 2006-04-27 | 東芝エレベータ株式会社 | エレベータのシーブ |
JP2008512326A (ja) * | 2004-09-13 | 2008-04-24 | インベンテイオ・アクテイエンゲゼルシヤフト | エレベータシステムにおける支持用ケーブルの端部を固締するためのケーブル端部継手、およびエレベータシステムにおける支持用ケーブルの端部を固締するための方法 |
JP2010502532A (ja) * | 2006-08-29 | 2010-01-28 | オーチス エレベータ カンパニー | エレベータの耐荷重終端アッセンブリ |
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US2482231A (en) * | 1944-07-13 | 1949-09-20 | Joseph T White | Cable lock |
US3335470A (en) * | 1965-11-23 | 1967-08-15 | Bucyrus Eric Company | Collapsible wedge for cable connection |
US4561154A (en) * | 1984-04-26 | 1985-12-31 | Esco Corporation | Wedge-type rope socket connection and method |
DE69939191D1 (de) * | 1998-10-06 | 2008-09-04 | Telefonix Inc | Zurückziehbare Kabelanordnung |
JP4491020B2 (ja) * | 2008-01-09 | 2010-06-30 | 株式会社日立製作所 | エレベーター用シーブ |
-
2010
- 2010-03-19 CN CN2010800653332A patent/CN102791606A/zh active Pending
- 2010-03-19 US US13/522,986 patent/US20120291230A1/en not_active Abandoned
- 2010-03-19 JP JP2012505411A patent/JPWO2011114514A1/ja active Pending
- 2010-03-19 WO PCT/JP2010/054824 patent/WO2011114514A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006513962A (ja) * | 2003-06-18 | 2006-04-27 | 東芝エレベータ株式会社 | エレベータのシーブ |
JP2008512326A (ja) * | 2004-09-13 | 2008-04-24 | インベンテイオ・アクテイエンゲゼルシヤフト | エレベータシステムにおける支持用ケーブルの端部を固締するためのケーブル端部継手、およびエレベータシステムにおける支持用ケーブルの端部を固締するための方法 |
JP2010502532A (ja) * | 2006-08-29 | 2010-01-28 | オーチス エレベータ カンパニー | エレベータの耐荷重終端アッセンブリ |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102678825A (zh) * | 2012-05-24 | 2012-09-19 | 无锡市新华起重工具有限公司 | 钢丝绳快速连接器 |
CN104955759A (zh) * | 2012-12-04 | 2015-09-30 | 蒂森克虏伯电梯股份公司 | 线缆夹具、以及具有线缆夹具的提升系统 |
US10843903B2 (en) | 2018-03-23 | 2020-11-24 | Otis Elevator Company | Drive belt for a people conveyor |
Also Published As
Publication number | Publication date |
---|---|
US20120291230A1 (en) | 2012-11-22 |
JPWO2011114514A1 (ja) | 2013-06-27 |
CN102791606A (zh) | 2012-11-21 |
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