GB1295880A - - Google Patents

Info

Publication number
GB1295880A
GB1295880A GB1295880DA GB1295880A GB 1295880 A GB1295880 A GB 1295880A GB 1295880D A GB1295880D A GB 1295880DA GB 1295880 A GB1295880 A GB 1295880A
Authority
GB
United Kingdom
Prior art keywords
wire
wires
cable
resilient member
inner layer
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.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1295880A publication Critical patent/GB1295880A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/14—Vibration-dampers; Shock-absorbers of cable support type, i.e. frictionally-engaged loop-forming cables

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Flexible Shafts (AREA)
  • Ropes Or Cables (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

1295880 Vibration dampers for cables A SALVI & C SpA 31 Dec 1969 [5 Aug 1969] 63571/69 Addition to 1200361 Heading F2S The vibration damper of the parent Specification is modified in that the resilient member, or carrying cable, consists of a wire rope having a central straight wire with at least 18 wires twisted helically about it. In the embodiment shown, the wire rope is of galvanized steel construction, and an inner layer of 6 wires in direct contact with the central wire has an outer layer of 12 wires, twisted in the opposite sense, and having a different stranding lay P<SP>1</SP> to that of the inner layer. It is stated that the use of such a resilient member leads to more uniform damping characteristics than, for example, a 7 wire cable, and bushes (A, B), Fig. 3 (not shown), clamped to the cable adjacent its centre and ends, further improve the uniformity of the damping characteristics.
GB1295880D 1969-08-05 1969-12-31 Expired GB1295880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2060569 1969-08-05

Publications (1)

Publication Number Publication Date
GB1295880A true GB1295880A (en) 1972-11-08

Family

ID=11169437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295880D Expired GB1295880A (en) 1969-08-05 1969-12-31

Country Status (8)

Country Link
US (1) US3584133A (en)
JP (1) JPS51720B1 (en)
AT (1) AT300081B (en)
DE (1) DE1963959C3 (en)
ES (1) ES375550A2 (en)
FR (1) FR2057621A6 (en)
GB (1) GB1295880A (en)
SE (1) SE351534B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1173915B (en) * 1984-03-22 1987-06-24 Salvi & Co Spa A ADJUSTABLE VIBRATION SHOCK ABSORBER, FOR SUSPENSION STRETCHED CABLES
AUPQ879100A0 (en) * 2000-07-14 2000-08-10 Dulhunty Industries Pty Limited Vibration damper for overhead power lines
US6774303B1 (en) * 2003-01-30 2004-08-10 Pinnacle West Capital Corporation Clamp for a vibration damper and method of installing same
JP4793257B2 (en) * 2006-12-26 2011-10-12 トヨタ自動車株式会社 Vibration suppression structure
EP2399326B1 (en) * 2009-02-19 2014-10-29 Wetzel S.a. A device for dynamically neutralizing vibrations in single cable overhead power transmission lines
CN111903026B (en) * 2018-01-22 2022-07-08 哈勃股份有限公司 Self-positioning vibration damping clamp
CN111555227A (en) * 2020-06-09 2020-08-18 国网冀北电力有限公司秦皇岛供电公司 Shockproof hammer device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3052747A (en) * 1960-08-11 1962-09-04 Aluminum Co Of America Aeolian vibration dampers
US3327048A (en) * 1966-04-28 1967-06-20 Haro Lauri Petter Allan Vibration damping apparatus
CH462267A (en) * 1967-01-14 1968-09-15 Salvi & Co Spa A Vibration damper in suspended cables, particularly for power line conductors
US3443019A (en) * 1968-06-20 1969-05-06 Lacol Ind Ltd Spacer damper

Also Published As

Publication number Publication date
SE351534B (en) 1972-11-27
DE1963959C3 (en) 1979-06-21
ES375550A2 (en) 1972-06-01
DE1963959B2 (en) 1978-10-26
FR2057621A6 (en) 1971-05-21
DE1963959A1 (en) 1971-02-18
AT300081B (en) 1972-07-10
JPS51720B1 (en) 1976-01-10
US3584133A (en) 1971-06-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years