WO2012159154A1 - Raccord - Google Patents

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Info

Publication number
WO2012159154A1
WO2012159154A1 PCT/AU2012/000561 AU2012000561W WO2012159154A1 WO 2012159154 A1 WO2012159154 A1 WO 2012159154A1 AU 2012000561 W AU2012000561 W AU 2012000561W WO 2012159154 A1 WO2012159154 A1 WO 2012159154A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
wheel
connector
coupling element
sleeve
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.)
Ceased
Application number
PCT/AU2012/000561
Other languages
English (en)
Inventor
Ralph Tony Sarich
Francis Peter SPAAPEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LINEAR TECHNOLOGIES Pty Ltd
Original Assignee
LINEAR TECHNOLOGIES Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2011901985A external-priority patent/AU2011901985A0/en
Application filed by LINEAR TECHNOLOGIES Pty Ltd filed Critical LINEAR TECHNOLOGIES Pty Ltd
Publication of WO2012159154A1 publication Critical patent/WO2012159154A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/12—Cable grippers; Haulage clips
    • B61B12/125—Cable grippers; Haulage clips for non aerial ropeways, e.g. on or under the ground

Definitions

  • the present invention relates to a connector. More particularly, but not exclusively, the invention relates to a connector which allows a rotating shaft to be coupled to at least one cable.
  • a connector for fixing a shaft to at least one endless cable that passes around a wheel comprising: a coupling element which is configured to surround at least a portion of the or jeach cable, the coupling, element having extensions which extend along the cable on a side remote to said wheel when the cable passes around the wheel; and a lug coupled to the coupling element, the lug being configured to accept the shaft, wherein the coupling element is arcuate between the extensions to prevent contact between the coupling element and the wheel.
  • a radius of the arc of the coupling element is smaller than that of the wheel.
  • the extensions are configured to urge the cable into an arc so as to raise the coupling element from the wheel.
  • the at least one cable is a pair of cables which are offset from each other, the cables being coupled by a coupling member from which the lug extends.
  • the coupling element includes a circular sleeve to surround at least a portion of the or each cable.
  • Figure 1 is an upper perspective view of a cable connector of one embodiment of the invention.
  • Figure 2 is a lower perspective view of the mechanism of Figure 1.
  • a connector 10 for fixing a shaft 12 to at least one endless cable 14 that passes around a wheel (not shown).
  • the at least one cable 14 is a pair of endless cables 14a, 14b.
  • the connector 10 comprises a coupling element, in the form of a pair of sleeves 16a, 16b, which is configured to surround at least a portion of each cable 14a, 14b.
  • Each of the sleeves 16a, 16b have extensions 20a, 20b which extend along the cable on a side 19b of the sleeve which is remote to the wheel when the cable passes around the wheel;
  • Each sleeve 16a, 16b is arcuate between the extensions 20a, 20b to prevent contact between the sleeve 16a, 16b and the wheel.
  • a thickness of leading and trailing edges 18a, 18b respectively of each sleeve 16a, 16b is also tapered to further prevent contact between the sleeve 16a, 16b and the wheel.
  • a lug 22 is coupled to the sleeves 16a, 16b.
  • the lug 22 is configured to accept the shaft 12 in such manner so that the shaft 12 is free to rotate with respect to the connector 10.
  • Each sleeve 1 is arcuate or curved in a central portion 24 which is between the extensions 20a, 20b.
  • the amount of curvature of the curved portion 24 is slight and proportional to a radius of a wheel (not shown) about which the cable is intended to extend around.
  • the radius of the arc takes into consideration the bend radius of the cable and is just enough to ensure that there is no contact between the sleeve 16 and the wheel.
  • the radius of the arc is smaller than a radius of the wheel so that the sleeve 16 does not contact the wheel as the connector 10 moves over the wheel.
  • the curvature of the central portion 24 may be constant or vary in a regular or irregular manner.
  • the curvature of the central portion 24 prevents contact between the sleeve and the wheel by pushing the sleeve away from the wheel, thus reducing the amount of disturbance inflicted on the wheel as the connector 10 passes over it, thereby reducing unwanted noise and vibrations.
  • the tapering of the thickness of the leading and trailing edges 18a, 18b in a region 19a of the sleeve 16 which is innermost during use also reduces the amount of disturbance inflicted on the drive member as the connector 10 passes over it.
  • a groove may be provided in the wheel to receive the cable 14.
  • sides of sleeves 16 have a potential to contact the wheel and cause noise. Tapering of the connector around the leading and trailing edges may prevent this contact occurring.
  • the extensions 20a, 20b also urge the cables 14a, 14b into an arc so as to raise each sleeve 16a, 16b away from the wheel.
  • the extensions 20a, 20b also act to cushion any contact between a sleeve and the wheel.
  • the curvature of the central portion 24 also contributes a small amount of force to fix the connector 10 to each cable 14 so as to transfer power from the shaft 12 to the cable 14 and, in turn, the drive member about which the cable 14 extends.
  • the extensions 20a, 20b of the sleeve 16 urge the cable 14 into an arc, as the connector 10 becomes loaded the tension in the cable 14 will act to a straighten the cable and the sleeve 16, thus imparting small force from the cable 14 on the sleeve 16 which acts to affix the two components together.
  • the sleeves 16a, 16b are required to be coupled together.
  • the sleeves 16a, 16b are coupled by a coupling member 26 from which the lug 22 extends.
  • a support member 28 also extends between the sleeves 16a, 16b and adjacent the coupling member 26.
  • the support member 28 is fixed to the coupling member 26 and has two passages extending through it in which grub screws can be received to form a connection between the sleeve 16a, 16b and the cables 14a, 14b.
  • Each sleeve 16 is sized so that an internal diameter of the sleeve 16 is slightly larger than an external diameter of the cable 14 so that connector may be easily installed on the cable 14 by threading the cable 14 through the sleeve 16.
  • the curvature of sleeve 16 is formed prior to the insertion of the cable 14.
  • An upper portion of each sleeve 16 is configured to accept the grub screw that extends through the support member 28 and through the upper portion of the sleeve to engage the cable and fix the connector to the cable.
  • Each grub screw acts to fix the connector 10 to the cable 14 so as to transfer power from the shaft 12 to the cable 14 and, in turn, the wheel or drive member about which the cable 14 extends.
  • Lug 22 has a central hole through which the shaft 12 can be received.
  • a screw 30 is used to fix a collar 32 to the shaft 12, though it will be appreciated that other forms of connection may be used to couple the shaft 12 to the lug 22.
  • a single cable or more than 2 cables, for example 3 or 4 may be used.
  • a single coupling element or sleeve may surround each cable or a number of cables.
  • Each of the illustrated sleeves is shown as being circular in cross section, though it will be appreciated that the sleeve may take other forms which are not circular.
  • a sleeve may be configured to surround more than one cable and thus would be appropriately shaped so as to engage each of those cables.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne un raccord servant à fixer un arbre à au moins un câble sans fin qui passe autour d'une roue, ledit raccord comprenant : un élément d'accouplement qui est configuré pour entourer au moins une partie du ou des câbles, l'élément d'accouplement présentant des prolongements qui s'étendent le long du câble sur un côté éloigné de ladite roue lorsque le câble passe autour de la roue ; et une patte accouplée à l'élément d'accouplement, la patte étant configurée pour loger l'arbre, l'élément d'accouplement étant arqué entre les prolongements pour éviter un contact entre l'élément d'accouplement et la roue.
PCT/AU2012/000561 2011-05-20 2012-05-18 Raccord Ceased WO2012159154A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2011901985 2011-05-20
AU2011901985A AU2011901985A0 (en) 2011-05-20 Connector

Publications (1)

Publication Number Publication Date
WO2012159154A1 true WO2012159154A1 (fr) 2012-11-29

Family

ID=47216444

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2012/000561 Ceased WO2012159154A1 (fr) 2011-05-20 2012-05-18 Raccord

Country Status (1)

Country Link
WO (1) WO2012159154A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108087495A (zh) * 2017-12-04 2018-05-29 李少许 一种牵引驱动装置与牵引部件之间的可控式连接机构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106366A (en) * 1959-06-03 1963-10-08 Graham White Mfg Company Reel assembly
CA2253692A1 (fr) * 1997-11-28 1999-05-28 Normand Savard Systeme de fixation servant a fixer l'extremite libre d'un cable a un tambour dans un systeme d'equilibrage
US7017715B2 (en) * 2001-08-13 2006-03-28 Enrico Lapi Braking system activated by flexible cable controls and relative components

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106366A (en) * 1959-06-03 1963-10-08 Graham White Mfg Company Reel assembly
CA2253692A1 (fr) * 1997-11-28 1999-05-28 Normand Savard Systeme de fixation servant a fixer l'extremite libre d'un cable a un tambour dans un systeme d'equilibrage
US7017715B2 (en) * 2001-08-13 2006-03-28 Enrico Lapi Braking system activated by flexible cable controls and relative components

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108087495A (zh) * 2017-12-04 2018-05-29 李少许 一种牵引驱动装置与牵引部件之间的可控式连接机构

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