KR0134489Y1 - Folding type ladder - Google Patents

Folding type ladder Download PDF

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Publication number
KR0134489Y1
KR0134489Y1 KR2019950024990U KR19950024990U KR0134489Y1 KR 0134489 Y1 KR0134489 Y1 KR 0134489Y1 KR 2019950024990 U KR2019950024990 U KR 2019950024990U KR 19950024990 U KR19950024990 U KR 19950024990U KR 0134489 Y1 KR0134489 Y1 KR 0134489Y1
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KR
South Korea
Prior art keywords
ladder
extension ladder
block
work
moving
Prior art date
Application number
KR2019950024990U
Other languages
Korean (ko)
Other versions
KR970014006U (en
Inventor
김형덕
Original Assignee
김정국
현대중공업주식회사
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
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Application filed by 김정국, 현대중공업주식회사 filed Critical 김정국
Priority to KR2019950024990U priority Critical patent/KR0134489Y1/en
Publication of KR970014006U publication Critical patent/KR970014006U/en
Application granted granted Critical
Publication of KR0134489Y1 publication Critical patent/KR0134489Y1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/02—Extending means
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/06—Securing devices or hooks for parts of extensible ladders
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/42—Ladder feet; Supports therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

본 고안은 선박건조 작업중 실시되는 블럭(Block)의 선행작업에 있어서, 선체에 일정한 높이로 적치되어 있는 블럭의 상부에 각종 작업을 하기 위하여 작업자가 오르고 내리면서 이동시키는 폴딩형 사다리에 관한 것으로, 이동대차(1)의 하단에 구동롤러(2)(2')와 이동대차 고정스톱퍼(3)(3')를 구비하고 일측으로 주사다리(4)와 연장사다리(5)를 절점힌지(6)로 연결시켜 주사다리(4)의 상단에서 연장사다리(5)를 고정 및 해제시키는 나비너트(7)(7')를 설치하며 이동대차(1)의 일측상단에 연장사다리 고정스톱퍼(8)를 구비한 것이다.The present invention relates to a folding ladder, which is moved up and down by a worker in order to perform various operations on the upper part of a block placed at a fixed height on a hull in a prior operation of a block carried out during a ship building operation. A driving roller (2) (2 ') and a moving trolley fixed stopper (3) (3') are provided at the lower end of the trolley (1), and the injection leg (4) and the extension ladder (5) are connected to one side of the joint hinge (6). Install a butterfly nut (7) (7 ') for fixing and releasing the extension ladder (5) from the upper end of the injection leg (4) and the extension ladder fixing stopper (8) on one side of the moving cart (1) It is equipped.

Description

폴딩형 사다리Folding ladder

제1도는 본 고안의 작동구조도.1 is a working structure of the present invention.

제2도는 본 고안의 정면구조도.2 is a front structural diagram of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 이동대차 2,2' : 구동롤러1: moving cart 2,2 ': driving roller

3,3' : 이동대차 고정스톱퍼 4 : 주사다리3,3 ': moving cart fixed stopper 4: injection leg

5 : 연장사다리 6 : 절점힌지5: extension ladder 6: node hinge

7,7' : 나비너트 8 : 연장사다리 고정스톱퍼7,7 ': Butterfly nut 8: Extension ladder fixed stopper

본 고안은 선박건조 작업중 실시되는 블럭(Block)의 선행작업에 있어서, 선체에 일정한 높이로 적치되어 있는 블럭의 상부에 각종 작업을 하기 위하여 작업자가 오르고, 내리면서 이동시키는 폴딩형 사다리에 관한 것이다.The present invention relates to a folding ladder in which a worker moves up and down in order to perform various operations on an upper part of a block that is placed at a predetermined height on a hull in a prior operation of a block performed during a ship building operation.

일반적으로 블럭은 선체에 근접하여 적치되어 있으며 다량의 블럭에 각종 작업을 하기 위해서는 작업자가 사다리를 자주 이동시켜야 한다. 즉 한 블럭의 작업이 종료되면 다음블럭의 작업을 하기 위하여 최단거리로 사다리를 이동시키기 위해서는 블럭의 하단으로 이동시키기 위해 사다리의 높이가 블럭의 높이보다 낮아야 한다.In general, the blocks are stacked close to the hull, and the operator must move the ladder frequently in order to work on a large number of blocks. That is, when the work of one block is finished, the height of the ladder must be lower than the height of the block to move to the bottom of the block in order to move the ladder to the shortest distance for the work of the next block.

그러나 작업자가 블럭작업시 작업효율을 높이기 위해서 사다리의 높이가 블럭의 높이보다 약간 높아야 작업의 안전성이 있다.However, in order for the worker to increase the work efficiency when the block work, the height of the ladder is slightly higher than the height of the block to ensure the safety of the work.

종래의 블럭작업에 사용되는 사다리는 상기한 블럭작업의 특수성 때문에 즉, 최단거리 이동으로 작업의 연속성 및 작업시간을 단축시키기 위하여 사다리의 높이가 적치된 블럭보다 낮게 설계되어 있어 블럭작업시 작업자의 자세가 일률적으로 곧게 선 상태에서 팔을든 상태에서 이루어지는 작업이 대부분을 차지하기 때문에 작업자의 피로도가 가중되고 작업시 안전사고의 위험이 뒤따르는 등의 문제점이 있었다.Ladder used in conventional block work is designed to lower the height of the ladder than the block with the height of the ladder in order to shorten the work continuity and work time due to the specificity of the block work described above, that is, the shortest distance movement. Most of the work performed in the state of standing upright in a straight line takes up most of the workers' fatigue and the risk of safety accidents in the work.

따라서 본 고안은 상기한 종래의 문제점을 개선하기 위하여 사다리를 2단으로 접철가능케하여 작업자가 안전하게 오르내릴수 있고 작업의 안전성을 향상시키고 블럭하단으로 이동시에는 상부사다리를 경첩을 힌지로하여 접은상태에서 최단거리로 이동가능케 안출하였다.Therefore, the present invention enables the operator to fold the ladder in two steps in order to improve the conventional problems described above, and the operator can safely climb up and down, and improve the safety of the work, and when moving to the bottom of the block hinged upper ladder to the shortest in the folded state It was made possible to move to the street.

이하 고안의 요지를 첨부된 도면에 연계시켜 그 구성과 작용효과를 상세히 설명하면 다음과 같다.Hereinafter, the configuration and effect of the present invention will be described in detail with reference to the accompanying drawings.

이동대차(1)의 하단에 구동롤러(2)(2')와 이동대차 고정스톱퍼(3)(3)'를 구비하고 일측으로 주사다리(4)와 연장사다리(5)를 절점힌지(6)로 연결시켜 주사다리(4)의 상단에서 연장사다리(5)를 고정 및 해제시키는 나비너트(7)(7')를 설치하며 이동대차(1)의 일측상단에 연장사다리 고정스톱퍼(8)를 구비한 구조이다.A driving roller (2) (2 ') and a moving trolley fixed stopper (3) (3)' are provided at the lower end of the moving trolley (1), and the injection leg (4) and the extension ladder (5) are connected to one side by a joint hinge (6). ), And install the butterfly nut (7) (7 ') for fixing and releasing the extension ladder (5) at the upper end of the injection leg (4) and the extension ladder fixed stopper (8) on the upper side of the moving cart (1) It is provided with a structure.

미설명부호(9)는 주사다리 손잡이, (10)은 연장사다리 손잡이, (11)(11')는 계단이다.Reference numeral 9 is an injection leg handle, 10 is an extension ladder handle, and 11, 11 'are stairs.

이와같이된 본 고안은 블럭의 선행작업시에 절첩된 연장사다리(5)를 절점힌지(6)를 축으로 세워 주사다리(4)의 상단에서 나비너트(7)(7')로 고정시키고 이동대차(1)의 하다나에 설치된 이동대차 고정스톱퍼(3)(3')로 지면과 완전밀착시켜 구동롤러(2)(2')를 고정시킴으로 사다리를 움직이지 않게하여 안전하게 작업자가 작업을 할수있게하고, 다음블럭으로 이동시에는 주사다리(4) 상부에 고정시킨 나비너트(7)(7')를 해체하여 연장사다리(5)를 절점힌지(6)를 축으로 접어서 이동대차(1)의 일측상단에 설치된 연장사다리 고정스톱퍼(8)로 고정시켜 이동시 유동에 의한 소음을 제거하고 작업자가 연장사다리(5)를 접을 때 손이 끼는 등의 안전사고를 미연에 방지하고 이동대차(1)의 하단에 설치된 고정스톱퍼(3)를 해제시켜 구동롤러(2)(2')로 구동시켜 다음블럭으로 이동시킨다.The present invention thus achieved is fixed to the extension ladder (5) folded at the time of the preceding work of the block with the hinge hinge (6) to fix the butterfly nut (7) (7 ') at the top of the injection leg (4) Mobile cart fixed stopper (3) (3 ') installed in (1) of Hanna to completely contact with the ground to fix driving roller (2) (2') so that the ladder does not move so that the worker can work safely. When moving to the next block, the butterfly nut (7) (7 ') fixed to the upper part of the injection leg (4) is dismantled, and the extension ladder (5) is folded at the nodal hinge (6) on one side of the moving cart (1). Fixed with an extension ladder fixed stopper (8) installed at the top to remove noise caused by flow during movement, to prevent safety accidents such as hand pinching when the operator folds the extension ladder (5), and to lower the bottom of the moving cart (1) Release the fixed stopper (3) installed in the drive roller (2) and drive it to the next block. Move.

그러므로 본 고안은 블럭의 각종 작업을할 때 연장사다리를 사용함으로 높이 적치된 블럭이나 낮게 적치된 블럭이나 작업자가 안전하고 편안한 자세에서 작업을 수행하게하여 작업능률을 향상시키고 블럭간의 이동시에도 연장사다리를 접어서 이동함으로 블럭하단의 최단거리로 이동이 가능하여 작업시간을 단축시킬 수 있는 등의 효과가 있는 것이다.Therefore, the present invention improves work efficiency by using extended ladders for various operations of blocks, allowing low-loaded blocks or operators to work in a safe and comfortable posture, and improves the extension ladders when moving between blocks. By folding and moving, it is possible to move to the shortest distance at the bottom of the block, which shortens the working time.

Claims (1)

이동대차(1)의 하단에 구동롤러(2)(2')와 이동대차 고정스톱퍼(3)(3')를 구비하고 일측으로 주사다리(4)와 연장사다리(5)를 절점힌지(6)로 연결시켜 주사다리(4)의 상단에서 연장사다리(5)를 고정 및 해제시키는 나비너트(7)(7')를 설치하며 이동대차(1)의 일측상단에 연장사다리 고정스톱퍼(8)를 구비한 것을 특징으로 하는 폴딩(Folding)형 사다리.A driving roller (2) 2 'and a moving cart fixed stopper (3) and (3') are provided at the lower end of the moving cart (1), and the injection leg (4) and the extension ladder (5) are connected to one side by the joint hinge (6). ), And install the butterfly nut (7) (7 ') for fixing and releasing the extension ladder (5) at the upper end of the injection leg (4) and the extension ladder fixed stopper (8) on the upper side of the moving cart (1) Folding type ladder characterized in that it comprises a.
KR2019950024990U 1995-09-16 1995-09-16 Folding type ladder KR0134489Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950024990U KR0134489Y1 (en) 1995-09-16 1995-09-16 Folding type ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950024990U KR0134489Y1 (en) 1995-09-16 1995-09-16 Folding type ladder

Publications (2)

Publication Number Publication Date
KR970014006U KR970014006U (en) 1997-04-28
KR0134489Y1 true KR0134489Y1 (en) 1999-02-18

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KR2019950024990U KR0134489Y1 (en) 1995-09-16 1995-09-16 Folding type ladder

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200035725A (en) * 2018-09-27 2020-04-06 한국서부발전 주식회사 Foldable ladder assembly
KR102587951B1 (en) 2023-06-01 2023-10-11 주식회사한결이엔지 Folding stair for tanker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200035725A (en) * 2018-09-27 2020-04-06 한국서부발전 주식회사 Foldable ladder assembly
KR102587951B1 (en) 2023-06-01 2023-10-11 주식회사한결이엔지 Folding stair for tanker

Also Published As

Publication number Publication date
KR970014006U (en) 1997-04-28

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