SU985544A1 - Method of assembling high-pressure sleeves - Google Patents

Method of assembling high-pressure sleeves Download PDF

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Publication number
SU985544A1
SU985544A1 SU813254055A SU3254055A SU985544A1 SU 985544 A1 SU985544 A1 SU 985544A1 SU 813254055 A SU813254055 A SU 813254055A SU 3254055 A SU3254055 A SU 3254055A SU 985544 A1 SU985544 A1 SU 985544A1
Authority
SU
USSR - Soviet Union
Prior art keywords
rubber
compression
sealing
zone
coupling
Prior art date
Application number
SU813254055A
Other languages
Russian (ru)
Inventor
Лев Николаевич Дубровин
Иван Семенович Щенев
Original Assignee
Предприятие П/Я Р-6543
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Filing date
Publication date
Application filed by Предприятие П/Я Р-6543 filed Critical Предприятие П/Я Р-6543
Priority to SU813254055A priority Critical patent/SU985544A1/en
Application granted granted Critical
Publication of SU985544A1 publication Critical patent/SU985544A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/20Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • F16L33/2073Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member directly connected to the rigid member
    • F16L33/2076Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member directly connected to the rigid member by plastic deformation

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Description

(54) СПОСОБ СБОРКИ РУКАВОВ ВЫСОКОГО ДАВЛЕНИЯ(54) METHOD FOR ASSEMBLY OF HIGH-PRESSURE HOSES

Изобретение относитс  к производству гибких трубопроводов и может быть применено в других отрасл х промышленности дл  производства рукавов высокого давлени , примен емых на гидрофицированных агрегатах. Известны различные способы сборки и заделки рукавов высокого давлени  с арматурой , в том числе с предзарительным сн тием внешнего сло  резины и последующим обжимом зоны силовой заделки, зоны герметизации и зоны разгрузки от изгибающих моментов (1. Недостаток указанного способа заключаетс  в том, что при неудалениом внутреннем резиновом слое и высоких степен х упругого ежа ти  резины в области силовой заделки, деформированна  резина склонна к самоистечеии их зоны обжати  что приводит к снижению удельных давлений в непосредственном контак те оплетки с муфтой и резины с ннппелем и,как результат, к снижению циклической про ности и герметичности соединени . Известен также способ заделки рукавов вы сокого давлени , включающий предварительную сборку рукава со сн тием внутреннего и внешнего резинового сло  с металлической оплетки, содержащего шланг, ниппель, накидную гайку и муфту, с последующим обжатием муфты в зоне силовой заделки, в зоне герметизации и зоне разгрузки от изгибающих моментов 2. Недостаток указанного, способа - трудоемкость технологического процесса сн ти  наружного и внутреннего сло  резины. Цель изобретени  - повышение надежности соединени . Поставленна  цель достигаетс  тем, «tro обжатие муфты в зоне силовой заделки осуществл ют без сн ти  наружного и внутреннего слоев резины точечным методом с шахматным расположением точек, выжимают наружный и внутренний слой резины до метарлической оплетки и жестко защемл ют последнюю между муфтой и ниппелем. На чертеже представлена последовательность осуществлени  предлагаемого способа, а именно: на фиг. 1 - подготовка рукава к сборке; на фиг. Л- обжатие муфты в зоне силовой заделки точечными обжимками по парал3985544The invention relates to the production of flexible pipelines and can be applied to other industries in the manufacture of high pressure hoses used in hydroficated units. Various methods are known for assembling and sealing high-pressure hoses with fittings, including pre-slitting of the outer rubber layer and subsequent crimping of the power seal zone, sealing zone and unloading zone from bending moments (1. The disadvantage of this method is internal rubber layer and high degrees of elastic rubber rubber in the area of forceful sealing; deformed rubber is prone to self-leaking of the compression zone, which leads to a decrease in specific pressures in So as a braid with a sleeve and rubber with a nnppel and, as a result, to reduce the cyclical formability and tightness of the joint. , nipple, cap nut and coupling, with subsequent compression of the coupling in the area of the power seal, in the sealing zone and the discharge zone from bending moments 2. The disadvantage of this method is that the laboriousness of the process is removed outer and inner rubber layer. The purpose of the invention is to increase the reliability of the connection. The goal is achieved by the fact that the tro compression of the coupling in the area of forceful sealing is carried out without removing the outer and inner layers of rubber by the dot method with a staggered arrangement of points, squeezing the outer and inner layers of rubber to the metarlic braid and firmly pinch the latter between the coupling and the nipple. The drawing shows the sequence of implementation of the proposed method, namely: in FIG. 1 - preparation of the sleeve for assembly; in fig. L- compression of the coupling in the zone of power sealing by pin crimps according to para 3985544

лельным кольцевым периметрам с шахматн.ыл; расположением точек; на фиг. 5 - то же, в зонах герметизации и зацепле1ш  муфтсл с ниппелем.leval circular perimeters with chess; ly; the location of points; in fig. 5 - the same, in the areas of sealing and grip coupling with a nipple.

Способ сборки рукава происходит следую- j щим образом.The method of assembling the sleeve is as follows.

На шланг 1 без сн ти  наружного и BHjTpcHнего слоев резины одеваетс  муфта 2- За тем на 1шппель 3 одеваетс  накидна  гайка 4, после чего во внутреннюю часть отверсти  W шланга 1 вставл етс  хвостовик 5 ниппел  3. Затем в отверстие ниппел  вставл етс  оправка 6 и производитс  обжатие зоны силовой заделки 7 точечным методом с шахматным расположением точек и обжатие этих то- is чек по последовательным кольцевым периметрам , при этом фиксируетс  положение каждого предыдущего инструмента, осуществившего точечное обжатие по периметру. Выжимают верхний и нижний слои резины в зоне сило- 2о вой заделки до металлической оплетки и жестко защемл ют последнюю между муфтой и ниппелем. Затем производ т обжатие (фиг. 5) в зонах 8 герметизации и 9 зацеплени  муфты с ниппелем.25A sleeve 2 is put on the hose 1 without removing the outer and BHjTpcN layers of rubber. Then a cap nut 4 is put on the 1 piece 3, then a mandrel 6 is inserted into the inside of the hole W of the hose 1 and then compression of the power embedding zone is performed using the 7 point method with a staggered arrangement of points and compression of these points along successive ring perimeters, while fixing the position of each previous tool that performed the point compression along the perimeter. The upper and lower layers of rubber are squeezed out in the area of the power seal to the metal braid and they are firmly clamped between the sleeve and the nipple. Then, compression is performed (Fig. 5) in the sealing zones 8 and the engagement of the coupling with the nipple.

Предлагаемый способ позвол ет упростить сборку рукавов, сократить технологическиеThe proposed method allows to simplify the assembly of the sleeves, reduce the technological

oiiepaiofH, св занные с ручной обрезкой наружного и внутреннего слоев резины.oiiepaiofH, associated with manual trimming of the outer and inner layers of rubber.

Claims (2)

1.Авторское свидетельство СССР №566051, кл. F 16 L 33/22, 1975.1. USSR author's certificate No. 566051, cl. F 16 L 33/22, 1975. 2.Ёли ние заделок рукавоъ высокого давлени  на надежность работы гидросистем при динамических нагрузках. Информационный лист. изд. НИИтракторосельмащ, 1971, № 19, сер. 13, с. 5, фиг. 1 (прототип).2. Improving the high-pressure sleeve terminations on the reliability of hydraulic systems under dynamic loads. Information sheet. ed. Research and Development Institute, 1971, No. 19, ser. 13, p. 5, FIG. 1 (prototype). f/////////f ///////// у/  at / //////// шsh X icxyXiOfAfAHX icxyXiOfAfAH Cpue.Z Лг-. Cpue.Z Lg-. фиг.З fig.Z тt тt у//// /.y //// /.
SU813254055A 1981-02-20 1981-02-20 Method of assembling high-pressure sleeves SU985544A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU813254055A SU985544A1 (en) 1981-02-20 1981-02-20 Method of assembling high-pressure sleeves

Publications (1)

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SU985544A1 true SU985544A1 (en) 1982-12-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255944A (en) * 1991-05-30 1993-10-26 Hutchinson Coupler for a textile-reinforced rubber hose
US5797629A (en) * 1996-04-16 1998-08-25 Dana Corporation Hose coupling and method of securing a hose to the coupling by crimping

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255944A (en) * 1991-05-30 1993-10-26 Hutchinson Coupler for a textile-reinforced rubber hose
US5797629A (en) * 1996-04-16 1998-08-25 Dana Corporation Hose coupling and method of securing a hose to the coupling by crimping

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