RU1817002C - Method for estimating maximum admissible wear of steel rope - Google Patents
Method for estimating maximum admissible wear of steel ropeInfo
- Publication number
- RU1817002C RU1817002C SU4945816A RU1817002C RU 1817002 C RU1817002 C RU 1817002C SU 4945816 A SU4945816 A SU 4945816A RU 1817002 C RU1817002 C RU 1817002C
- Authority
- RU
- Russia
- Prior art keywords
- rope
- wear
- diameters
- steel rope
- difference
- Prior art date
Links
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- Control And Safety Of Cranes (AREA)
Abstract
Изобретение относитс к испытанию изделий . Цель изобретени - повышение достоверности оценки износа каната путем учета его усталостной деформации. Способ заключаетс в том, что производитс измерение диаметров каната в нензгруженном состо нии и при рабочей, нагрузке. Затем определ етс разность этих диаметров. Измерени периодически повтор ют в процессе эксплуатации каната. При достижении разностью диаметров критического значени , равного 0,025 мм, износ исследуемого каната оценивают как предельно допустимый и делающий канат непригодным к дальнейшей эксплуатации. 1 з.п.ф-лы, 1 ил. The invention relates to product testing. The purpose of the invention is to increase the reliability of estimating rope wear by taking into account its fatigue deformation. The method consists in measuring the diameters of the rope in a non-loaded state and at a working load. The difference in these diameters is then determined. Measurements are periodically repeated during operation of the rope. When the diameter difference reaches a critical value of 0.025 mm, the wear of the test rope is evaluated as the maximum allowable and makes the rope unsuitable for further use. 1 C.p. f-ls, 1 ill.
Description
Изобретение относитс к испытанию изделий и касаетс , в частности способа определени усталостного износа стальных канатов, например, ваеров рыболовных тралов ., The invention relates to product testing and relates, in particular, to a method for determining the fatigue wear of steel ropes, for example, fishing trawl fans.
Цель изобретени - повышение достоверности результатов определени износа.The purpose of the invention is to increase the reliability of wear results.
Поставленна цель достигаетс тем, что в предлагаемом способе производитс измерение диаметра каната под нагрузкой и после ее сн ти (в ненагруженном состо нии ) с последующим определением разности этих диаметров, При оценке предельно допустимого значени износа ваерных канатов (на основе многолетних наблюдений), критическое значение разности диаметров каната принимают равным 0,025 мм. Сущность предложени по сн етс с помощью описани примера исполнени и рисунка, на котором изображены сечение каната под нагрузкой и без нагрузки.The goal is achieved by the fact that in the proposed method, the diameter of the rope is measured under load and after its removal (in an unloaded condition), followed by the determination of the difference between these diameters. When assessing the maximum allowable wear of the wire ropes (based on long-term observations), the critical value the difference between the diameters of the rope is taken equal to 0.025 mm. The essence of the proposal is explained by describing an example of execution and a drawing showing a section of a rope under load and without load.
На чертеже схематично показаны сечени каната диаметром d в ненагруженном состо нии и диаметром dH под действием нагрузки. Соответственно параметр, характеризующий состо ние каната, представлен как A d d - dH. При значении Ad 0,025 мм, котора вл етс критической дл ваерных канатов, канат выводитс из эксплуатации.The drawing schematically shows cross-sections of a rope of diameter d in an unloaded condition and diameter dH under load. Accordingly, the parameter characterizing the state of the rope is represented as A d d - dH. At an Ad value of 0.025 mm, which is critical for fan ropes, the rope is taken out of service.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4945816 RU1817002C (en) | 1991-05-05 | 1991-05-05 | Method for estimating maximum admissible wear of steel rope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4945816 RU1817002C (en) | 1991-05-05 | 1991-05-05 | Method for estimating maximum admissible wear of steel rope |
Publications (1)
Publication Number | Publication Date |
---|---|
RU1817002C true RU1817002C (en) | 1993-05-23 |
Family
ID=21579461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4945816 RU1817002C (en) | 1991-05-05 | 1991-05-05 | Method for estimating maximum admissible wear of steel rope |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU1817002C (en) |
-
1991
- 1991-05-05 RU SU4945816 patent/RU1817002C/en active
Non-Patent Citations (1)
Title |
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Правила устройства и безопасности эксплуатации грузоподъемных кранов, М.: Металлурги , 1970, приложение 8, стр.198. Сборник Стальные канаты, т,2, Киев, Техника, 1965, с.310. : Журнал Безопасность труда, 1936, , с.8. * |
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