KR850004220A - Leg member of jack-up type drilling rig and its manufacturing method - Google Patents

Leg member of jack-up type drilling rig and its manufacturing method Download PDF

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Publication number
KR850004220A
KR850004220A KR1019840007216A KR840007216A KR850004220A KR 850004220 A KR850004220 A KR 850004220A KR 1019840007216 A KR1019840007216 A KR 1019840007216A KR 840007216 A KR840007216 A KR 840007216A KR 850004220 A KR850004220 A KR 850004220A
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KR
South Korea
Prior art keywords
cord portion
jack
ingot
leg member
rack
Prior art date
Application number
KR1019840007216A
Other languages
Korean (ko)
Inventor
도시오 가이 (외 2)
Original Assignee
구마다니 노리후미
스미도모 긴죠꾸 고오교오 가부시기가이샤
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 JP21749683A external-priority patent/JPS60112595A/en
Priority claimed from JP18079684A external-priority patent/JPS6160206A/en
Priority claimed from JP18079584A external-priority patent/JPS6160205A/en
Priority claimed from JP18079484A external-priority patent/JPS6160917A/en
Priority claimed from JP18949984A external-priority patent/JPS6168920A/en
Application filed by 구마다니 노리후미, 스미도모 긴죠꾸 고오교오 가부시기가이샤 filed Critical 구마다니 노리후미
Publication of KR850004220A publication Critical patent/KR850004220A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0818—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with racks actuated by pinions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/767—Toothed racks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/767—Toothed racks
    • B21K1/768—Toothed racks hollow

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Forging (AREA)

Abstract

내용 없음No content

Description

재크-업식 굴착장치의 다리부재 및 그 제작방법Leg member of jack-up type drilling rig and its manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 재크-업식 굴착장치의 개략적인 설명도.1 is a schematic illustration of a jack-up drilling rig.

제2도는 제4도의 Ⅱ-Ⅱ선을 연하는 횡단면도,2 is a cross sectional view along line II-II of FIG. 4,

제4도는 본 발명에 따른 재크-업식 굴착장치를 위한 다리부재의 개략적인 사시도.4 is a schematic perspective view of a leg member for a jack-up drilling rig according to the present invention.

Claims (9)

중공 기둥형상의 코드부와 그 코드부로부터 길이로 돌출하여 일체로 성형된 랙크부로 이루어지는 재크-업식 굴착장치용 다리부재에 있어서, 상기 코드부와 랙크부는 열간가공방법에 의하여 일체로 형성되는 것을 특징으로 하는 재크-업식 굴착장치용 다리부재.In the leg member for a jack-up excavation device consisting of a hollow column-shaped cord portion and a rack portion protruded in length from the cord portion, wherein the cord portion and the rack portion are integrally formed by a hot working method. Leg member for jack-up drilling rig. 청구범위 1에서 상기 열간가공방법은 열간압연 또는 연간단조 또는 열간압출하는 방법 중에서 채택하는 것을 특징으로 하는 다리부재.In claim 1, the hot working method is a bridge member, characterized in that it is adopted from the method of hot rolling or annual forging or hot extrusion. 중공기둥형상의 코드부와 그 코드부로부터 길이로 돌출하여 일체로 성형된 랙크부로 이루어지는 재크-업식 굴착장치용 다리부재를 제조하는 방법에 있어서, (a) 강괴를 소정용도로 가열하는 단계, (b) 상기 단계(a)에서 가열된 강괴를 흠형롤러를 사용하여 분괴 압연시킨 다음 강괴폭방향을 상하로 향하게 하여 흠형압연기로 압연하므로서 중심기둥형상의 코드부와 그 코드부로부터 길이로 돌출하여 일체로 성형된 랙크부로 이루어지는 중간제품을 제조하는 단계, (c) 상기 중간제품의 코드부 중심에 길이방향으로 관통하는 구멍을 형성시키는 단계, 그리고, (d) 적절한 장치를 사용하여 상기 랙크부에 랙크톱니를 형성시키는 단계들로 이루어지는 것을 특징으로 하는 재크-업식 굴착장치용 다리부재의 제조방법.A method of manufacturing a leg member for a jack-up drilling rig comprising a hollow pillar-shaped cord portion and a ledge portion integrally formed by protruding from the cord portion, the method comprising: (a) heating the ingot to a predetermined use; b) The steel ingot heated in the step (a) is subjected to a pulverization rolling using a flaw roller, and then rolled with a flaw rolling mill with the ingot width direction up and down to protrude in a length from the central pillar cord portion and the cord portion. Manufacturing an intermediate product comprising a rack portion molded into a mold; (c) forming a longitudinally penetrating hole in the center of the cord portion of the intermediate product; and (d) racking the rack portion using an appropriate device. A method for manufacturing a leg member for a jack-up digging device, characterized in that it comprises the steps of forming a tooth. 중공기둥 형상의 코드부와 그 코드부로부터 길이로 돌출하여 일체로 성형된 랙크부로 이루어지는 재크-업식 굴착장치용 다리부재의 제조방법에 있어서, (a) 강괴를 소정의 온도로 가열하는 단계, (b) 상기 강괴의 중심부에 길이로 관통하는 구멍을 형성하는 단계, (c) 상기 구멍에 심봉을 삽입한 채로 상기 강괴를 거칠게 압연하는 단계, (d) 이렇게 하여 얻어진 거칠은 압연재를 흠형롤러를 사용하여 소정의형상으로 열간압연 하므로서 단면폭이 가장 넓은 단면부를 거의 최종치수로 압축시키고, 그 다음 압연방향을 90도 변경하여 최종형상으로 압연하는 단계 그리고, (e) 상기 중간제품의 랙크부에 랙크톱니를 형성시키는 단계, 들로 이루어지는 것을 특징으로 하는 재크-업식 굴착장치용 다리 부재의 제작방법.A method of manufacturing a leg member for a jack-up type drilling rig, comprising a hollow pillar-shaped cord portion and a rack portion protruding in length from the cord portion, the method comprising: (a) heating the ingot to a predetermined temperature; b) forming a hole penetrating to the center of the ingot in length, (c) roughly rolling the ingot while inserting a core rod in the hole, and (d) forming a rough roller in the rough rolled material thus obtained. Compressing the cross-section with the widest cross-section to almost the final dimension by hot rolling to a predetermined shape, and then rolling it to the final shape by changing the rolling direction by 90 degrees, and (e) racking the rack portion of the intermediate product. Forming a tooth, the manufacturing method of the leg member for the jack-up excavator, characterized in that consisting of. 중공기둥형상의 코드부와 그 코드부로부터 길이로 연하여 돌출하여 일체로 성형된 랙크부로 이루어지는 재크-업식 굴착장치용 다리부재의 제조방법에 있어서, (a) 종횡비가 최소한 2 이상인 슬라브를 소정의 온도로 가열하는 단계, (b) 상기 슬라브의 양단부를 두께방향으로 압축하여 길이를 연하여 돌출한 돌출부를 형성시키는 단계, (c) 이렇게 얻어진 조형소재의 돌출부를 흠형 속에서 구속하면서 폭방향으로 압축하여 그 조형소재의 중앙부의 두께를 증가시키는 단계, (d) 이렇게 얻어진 조형소재를 다시 두께방향으로 압축하여 소정의 최종형상으로 형성시키는 단계, 그리고, (e) 상기 중간제품의 랙크부에 랙크톱니를 형성시키는 단계들로 이루어지는 것을 특징으로 하는 재크-업식 굴착장치용 다리부재의 제작방법.In the method for manufacturing a leg member for a jack-up drilling rig, which comprises a hollow pillar-shaped cord portion and a protruding length extending from the cord portion and integrally molded, (a) a slab having an aspect ratio of at least two or more; Heating to temperature, (b) compressing both ends of the slab in a thickness direction to form a protrusion protruding from the length thereof, and (c) compressing in the width direction while constraining the protrusion of the obtained molding material in a groove. Increasing the thickness of the center portion of the molding material, (d) compressing the molding material thus obtained in the thickness direction to form a predetermined final shape, and (e) rack teeth of the intermediate product. Method of manufacturing a leg member for a jack-up drilling rig characterized in that it comprises a step of forming a. 중공기둥형상의 코드부와 그 코드부로부터 길이로 돌출하여 일체로 성형된 랙크부로 이루어지는 재크-업식 굴착장치용 다리부재의 제조방법에 있어서, (a) 강괴를 소정의 온도로 가열하는 단계, (b) 상기 강괴를 단조하여 중실코드부의 그 중실코드부에 길이를 연하여 돌출되어 일체로 성형되는 랙크부로 이루어지는 조형소재를 성형하는 단계, (c) 상기 조형소재의 중심부에 길이방향으로 심봉을 압입시켜 중실코드부에 구멍을 뚫는 단계, (d) 그 다음 상기압연소재를 적당한 구멍의 형상을 갖는 링다이(ring die)를 통하여 최소한 1회 이상 통과시켜서 중공기둥형상의 코드부와 그 코드부에 길이를 연하여 돌출하여 일체로 성형된 랙크부로 이루어지는 중간제품을 성형하는 단계, 그리고, (e) 상기 중간제품의 랙크부에 랙크톱니를 형성시키는 단계들로 이루어지는 것을 특징으로 하는 재크-업식 굴착장치용 다리부재의 제조방법.A method of manufacturing a leg member for a jack-up drilling rig, comprising a hollow pillar-shaped cord portion protruding in length from the cord portion and integrally molded, (a) heating the ingot to a predetermined temperature; b) forging the ingot to form a molding material comprising a rack portion which protrudes by prolonging the length of the solid cord portion to the solid cord portion, and (c) press-fits the core rod in the longitudinal direction to the center of the molding material. (D) then passing the rolled material through at least one or more times through a ring die having a suitable hole shape so that the hollow pillar-shaped cord portion and the cord portion Forming an intermediate product comprising a rack part integrally molded by protruding the length, and (e) forming rack teeth in the rack part of the intermediate product. Method for producing a leg member for jack-up type excavator, characterized in that the fall. 청구범위 6에서, 상기 링다이 통과는 드로잉인 것을 특징으로 하는 방법.In claim 6, wherein the ring die passing is a drawing. 청구범위 6에서, 상기 링다이 통과는 싱킹인 것을 특징으로 하는 방법.In claim 6, the ring die passing is a sinking. 중공기둥형상의 코드부와 그 코드부로부터 길이로 돌출하여 일체로 성형되고 랙크톱니가 형성된 랙크부로 이루어지는 재크-업식 굴착장치용 다리부재의 제조방법에 있어서, (a) 거의 직사각형 단면을 가지는 강괴를 소정온도로 가열하는 단계, (b) 적어도 상기 강괴의 중앙부에 구속되지 않는 상기 강괴를 용기속에 넣고 상기 강괴의 단면의 중앙으로 심봉을 길이방향으로 압입하여 강괴에 구멍을 뚫어서 이때 상기 중앙부를 팽출시키는 단계, (c) 그 다음 적어도 1회 이상 전방열간압출시키므로서 중공 기둥형상의 코드부와 그 코드부로부터 길이를 연하여 일체로 돌출성형되는 랙크부로 이루어지는 중간제품을 형성시키는 단계, 그리고, (d) 상기 랙크부에 랙크톱니를 형성시키는 단계, 들로 이루어지는 것을 특징으로 하는 재크-업식 굴착장치용 다리부재의 제조방법.In the method of manufacturing a leg member for a jack-up drilling rig, which comprises a hollow pillar-shaped cord portion and a protruding length from the cord portion, and integrally molded and formed with rack teeth, (a) ingot having a substantially rectangular cross section. Heating to a predetermined temperature, (b) inserting the ingot which is not restrained at least in the center of the ingot into a container, and pressing a mandrel in the longitudinal direction to the center of the cross section of the ingot to drill a hole in the ingot to swell the central part at this time. (C) then forming an intermediate product comprising a hollow pillar-shaped cord portion and a length of the rack portion protruding integrally from the cord portion by at least one forward hot extrusion; and (d ) Forming the rack teeth in the rack portion, leg portion for the jack-up excavator, characterized in that consisting of The method of manufacture. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840007216A 1983-11-18 1984-11-17 Leg member of jack-up type drilling rig and its manufacturing method KR850004220A (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP??217496 1983-11-18
JP21749683A JPS60112595A (en) 1983-11-18 1983-11-18 Leg member of jack-up-rig and manufacture thereof
JP180794-6 1984-08-31
JP18079684A JPS6160206A (en) 1984-08-31 1984-08-31 Manufacture of shape stock
JP18079584A JPS6160205A (en) 1984-08-31 1984-08-31 Manufacture of shaped pipe stock by rolling
JP18079484A JPS6160917A (en) 1984-08-31 1984-08-31 Manufacture of leg member of jack-up type rigger
JP18949984A JPS6168920A (en) 1984-09-12 1984-09-12 Manufacture of leg member of jack-up type rig
JP189499 1984-09-12

Publications (1)

Publication Number Publication Date
KR850004220A true KR850004220A (en) 1985-07-11

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ID=27528782

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840007216A KR850004220A (en) 1983-11-18 1984-11-17 Leg member of jack-up type drilling rig and its manufacturing method

Country Status (3)

Country Link
KR (1) KR850004220A (en)
DE (1) DE3442008A1 (en)
GB (1) GB2150178B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101346233B1 (en) * 2012-06-29 2014-01-03 삼성중공업 주식회사 Floating structure
WO2014003366A1 (en) * 2012-06-29 2014-01-03 삼성중공업 주식회사 Floating type structure
KR101399935B1 (en) * 2012-06-29 2014-05-30 삼성중공업 주식회사 Floating structure
KR101411518B1 (en) * 2012-06-29 2014-07-01 삼성중공업 주식회사 Floating structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8502158A (en) * 1985-07-30 1987-02-16 Rsv Gusto Eng Bv SUPPORT FOR AN ARTIFICIAL ISLAND AND ISSUE PROVIDED WITH SUPPORT LEGS ACCORDING TO THE INVENTION.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101346233B1 (en) * 2012-06-29 2014-01-03 삼성중공업 주식회사 Floating structure
WO2014003366A1 (en) * 2012-06-29 2014-01-03 삼성중공업 주식회사 Floating type structure
KR101399935B1 (en) * 2012-06-29 2014-05-30 삼성중공업 주식회사 Floating structure
KR101411518B1 (en) * 2012-06-29 2014-07-01 삼성중공업 주식회사 Floating structure
US9561839B2 (en) 2012-06-29 2017-02-07 Samsung Heavy Ind. Co., Ltd. Floating type structure

Also Published As

Publication number Publication date
DE3442008A1 (en) 1985-05-30
GB2150178A (en) 1985-06-26
GB2150178B (en) 1988-01-20
GB8429003D0 (en) 1984-12-27

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