KR20090006716U - Compression protect device of lift for workers - Google Patents

Compression protect device of lift for workers Download PDF

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Publication number
KR20090006716U
KR20090006716U KR2020070021003U KR20070021003U KR20090006716U KR 20090006716 U KR20090006716 U KR 20090006716U KR 2020070021003 U KR2020070021003 U KR 2020070021003U KR 20070021003 U KR20070021003 U KR 20070021003U KR 20090006716 U KR20090006716 U KR 20090006716U
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South Korea
Prior art keywords
wire
aerial platform
spring
hole
narrowing
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KR2020070021003U
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Korean (ko)
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박길수
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(주)에스렌탈산업
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Priority to KR2020070021003U priority Critical patent/KR20090006716U/en
Publication of KR20090006716U publication Critical patent/KR20090006716U/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

본 고안은 고소작업대의 협착방지장치에 관한 것으로, 더욱 상세하게는 고소작업대의 상단에 와이어에 의해서 작동되는 리미트스위치를 장착하여 작업자가 상부공간에서 협착될 경우에 고소작업대를 상승시키는 장비의 작동을 멈추게 하여 작업자가 안전하게 작업할 수 있도록 하는 협착방지장치에 관한 것이다.The present invention relates to a narrowing prevention device of the aerial platform, and more particularly, by mounting a limit switch operated by a wire at the top of the aerial platform to operate the equipment to raise the aerial platform when the operator is narrowed in the upper space It relates to a stenosis prevention device to stop and allow the worker to work safely.

본 고안은 작업대의 난간의 각각의 모서리에 홀이 형성되고, 상기 각각의 홀에는 협착스프링이 삽입되며, 상기 스프링의 상단에는 각각 연결고리가 형성된 지지대가 삽입되고, 상기 각각의 연결고리를 관통하여 끝단이 인장스프링에 의해서 결합되는 와이어가 형성되고, 상기 와이어 상에는 인장스프링에 의해서 이동되는 와이어의 인장 및 압축에 의해서 작동되는 리미트스위치가 형성된 것을 특징으로 한다.The present invention is a hole is formed in each corner of the railing of the workbench, a narrowing spring is inserted into each hole, the support is formed with a connecting ring is inserted into the upper end of the spring, and penetrates the respective connecting rings The end is formed of a wire is coupled by the tension spring, characterized in that the limit switch is operated on the wire by the tension and compression of the wire moved by the tension spring.

본 고안에 의한 고소작업대용 협착방지장치에 의하면 장치가 간단하고, 가벼우며, 작업자의 상태에 따라서 민감하게 작동하므로 더욱 안전한 효과가 발생한다. According to the stenosis prevention device for aerial work platform according to the present invention, the device is simple, light, and works sensitively according to the operator's condition, thereby producing a safer effect.

고소작업대, 난간, 스프링, 리미트스위치, 협착방지. Aerial platforms, handrails, springs, limit switches, and anti-stenosis.

Description

고소작업대의 협착방지장치{COMPRESSION PROTECT DEVICE OF LIFT FOR WORKERS}Stenosis prevention device of aerial platform {COMPRESSION PROTECT DEVICE OF LIFT FOR WORKERS}

본 고안은 고소작업대의 협착방지장치에 관한 것으로, 더욱 상세하게는 고소작업대의 상단에 와이어에 의해서 작동되는 리미트스위치를 장착하여 작업자가 상부공간에서 협착될 경우에 고소작업대를 상승시키는 장비의 작동을 멈추게 하여 작업자를 보호하는 협착방지장치에 관한 것이다.The present invention relates to a narrowing prevention device of the aerial platform, and more particularly, by mounting a limit switch operated by a wire at the top of the aerial platform to operate the equipment to raise the aerial platform when the operator is narrowed in the upper space It relates to a stenosis prevention device that protects the worker by stopping.

일반적으로 고소작업대는 높은 천장의 배관, 덕트, 조명 등의 공사나 높은 건물의 도장, 미장, 설비 등의 공사에 사용되는 장비로서, 작동에 따라 직진형, 굴절형 등 여러형태로 구분된다. In general, aerial platform is used for the construction of high ceiling plumbing, ducts, lighting, and painting of high buildings, plastering, equipment, etc., depending on the operation is divided into various types, such as straight type, refractive type.

상기 고소작업대는 이동 및 지지를 할 수 있는 대차부와; 상기 대차부의 유압으로 상승하는 승강부와; 상기 승강부의 상단에 작업자가 작업을 하는 공간을 제공하는 작업대로 이루어진다.The aerial platform includes a trolley that can move and support; A lifting unit which rises by hydraulic pressure of the bogie unit; It is made of a workbench to provide a space for the worker to work on the top of the lift.

그러나, 상기 고소작업대의 작업대에 승차한 작업자가 작업대의 난간과 구조물의 사이에 끼어 압사하는 사고가 종종 일어나고 있어서 이에 대한 안전대책이 필요하게 되었다. However, an accident in which the worker who rides on the work platform of the aerial platform is sandwiched between the railings of the workbench and the structure often occurs, and safety measures are required.

상기한 문제점을 해결하기 위해서 대한민국특허청 등록특허공보 10-0778533호에는 "고소작업대용 협착 방지장치"가 개시된 바 있다. In order to solve the above problems, Korean Patent Office Registration No. 10-0778533 discloses a device for preventing stenosis of aerial platform.

상기 종래의 고소작업대용 협착방지장치는 다음과 같은 문제점이 있었다. The conventional stenosis prevention device for aerial platform had the following problems.

(1) 장치가 복잡하고, 무겁다.(1) The device is complicated and heavy.

(2) 투박하게 작동되어 실제로 작업자가 큰 충격을 받은 후에야 유압실린더의 작동이 멈춘다.(2) The hydraulic cylinder stops working only after it is operated roughly and the worker is really shocked.

(3) 가격이 비싸다.(3) The price is expensive.

상기와 같은 문제점을 해결하기 위해서 본 고안은 이동 및 지지를 할 수 있는 대차부와; 상기 대차부의 유압으로 상승하는 승강부와; 상기 승강부의 상단에 난간이 형성된 작업대로 구성되는 일반적인 고소작업대에 있어서, The present invention to solve the above problems and the balance portion that can move and support; A lifting unit which rises by hydraulic pressure of the bogie unit; In the general aerial platform consisting of a workbench with a railing formed on the upper end of the lifting unit,

상기 작업대의 난간의 각각의 모서리에 홀이 형성되고, 상기 각각의 홀에는 협착스프링이 삽입되며, 상기 스프링의 상단에는 각각 연결고리가 형성된 지지대가 삽입되고, 상기 각각의 연결고리를 관통하여 끝단이 인장스프링에 의해서 결합되는 와이어가 형성되며, 상기 와이어 상에는 리미트스위치가 형성된 것을 특징으로 한다. Holes are formed at each corner of the railing of the workbench, and a constriction spring is inserted into each hole, and a support formed with a linking ring is inserted into an upper end of the spring, and an end is penetrated through each linking ring. The wire is coupled by the tension spring is formed, characterized in that the limit switch is formed on the wire.

본 고안에 의한 고소작업대용 협장방지장치에 의하면 다음과 같은 효과가 발생한다. According to the device for preventing aerial platform according to the present invention the following effects occur.

(1) 장치가 간단하고, 가볍다.(1) The device is simple and light.

(2) 작업자의 상태에 따라서 리미트스위치가 민감하게 작동되므로 더욱 안전하다.(2) It is safer because limit switch operates sensitively according to worker's condition.

(3) 가격이 저렴하다.(3) The price is low.

본 고안은 이동 및 지지를 할 수 있는 대차부(10)와; 상기 대차부(10)의 유압으로 상승하는 승강부(20)와; 상기 승강부(20)의 상단에 난간(40)이 형성된 작업대(30)로 구성되는 일반적인 고소작업대(30)에 있어서, The present invention and the balance portion 10 that can move and support; A lifting unit 20 which is lifted by the hydraulic pressure of the trolley unit 10; In the general aerial platform 30 is composed of a work platform 30, the handrail 40 is formed on the upper end of the lifting unit 20,

상기 작업대(30)의 난간(40)의 각각의 모서리에 홀(110)이 형성되고, 상기 각각의 홀(110)에는 협착스프링(112)이 삽입되며, 상기 협착스프링(112)의 상단에는 각각 연결고리(122)가 형성된 지지대(120)가 삽입되고, 상기 각각의 연결고리(122)를 관통하여 끝단이 인장스프링(132)에 의해서 결합되는 와이어(130)가 형성되며, 상기 와이어(130) 상에는 인장스프링(132)에 의해서 이동되는 와이어(130)의 인장 및 압축에 의해서 작동되는 리미트스위치(140)가 형성된다.A hole 110 is formed at each corner of the railing 40 of the work table 30, and a constriction spring 112 is inserted into each hole 110, respectively, at an upper end of the constriction spring 112. A support 120 having a connection ring 122 formed thereon is inserted therein, and a wire 130 through which each end of the connection ring 122 is coupled by a tension spring 132 is formed, and the wire 130 is formed. On the upper limit switch 140 is formed by the tension and compression of the wire 130 is moved by the tension spring 132.

상기 난간(40)의 모서리에 형성된 홀(110)에는 협착스프링(112)과 지지대(120)가 부싱(bushing)에 고정되어 홀(110)에 삽입된다. In the hole 110 formed at the corner of the handrail 40, the narrowing spring 112 and the support 120 are fixed to the bushing and inserted into the hole 110.

상기 난간(40)은 원형 또는 사각형의 관으로 형성된다. The handrail 40 is formed of a circular or square tube.

상기 난간(40)은 작업자의 공간을 더 넓게 확보하기 위해서 일측의 길이를 늘일 수 있도록 형성될 수 있는데, 이와 같이 작동되기 위해서 상기 와이어(130) 상에 와이어(130)가 감기는 감김롤이 형성되어 와이어(130)의 길이를 조절할 수 있도록 형성된다.The handrail 40 may be formed to extend the length of one side in order to secure a wider space of the worker, the winding roll is wound around the wire 130 is formed on the wire 130 to operate in this way Is formed to be able to adjust the length of the wire 130.

상기 지지대(120)는 하단이 홀(110)에 삽입되는데, 원형 또는 사각형의 봉으로 하단에 형성된 협착스프링(112)에 의해서 탄력지지 된다. The support 120 has a lower end inserted into the hole 110, and is elastically supported by the narrowing spring 112 formed at the lower end with a round or square rod.

상기 지지대(120)의 상단 일측에는 연결고리(122)가 형성되는데, 상기 연결고리(122)는 와이어(130)를 지지하는 것으로, 고리의 내부에서는 자유롭게 관통하여 움직일 수 있도록 형성된다.A connecting ring 122 is formed at one side of the upper end of the support 120. The connecting ring 122 supports the wire 130, and is formed to move freely through the inside of the ring.

상기 와이어(130)는 연결되어 한쪽 끝단은 인장스프링(132)에 의해서 텐션을 유지하면서 고정된다. The wire 130 is connected to one end is fixed while maintaining the tension by the tension spring 132.

상기 리미트스위치(140)는 와이어(130) 상에 설치되고, 상기 와이어(130)가 가만히 있을 경우에는 전원이 인가된 상태로 있다가 인장 또는 압축될 경우에 전원을 차단하여 대차부(10)의 유압실린더가 더 이상 작동하지 않도록 한다. The limit switch 140 is installed on the wire 130, and when the wire 130 is still, the power is turned on and the power is cut off when the wire 130 is pulled or compressed. Make sure the hydraulic cylinders are no longer running.

이하, 본 고안의 바람직한 실시예로 형성된 고소작업대용 협착방지장치의 작동을 설명하면 다음과 같다.Hereinafter, the operation of the stenosis prevention device for aerial platform formed in a preferred embodiment of the present invention as follows.

본 고안의 작업대(30)의 상단에 지지대(120)와 와이어(130)을 설치하고 작업자가 작업대(30)에 탑승하여 유압실린더에 의해서 승강부(20)가 상승하게 되어 작업대(30)가 작업위치까지 이동된다. The support 120 and the wire 130 is installed on the upper end of the work bench 30 of the present invention, and the operator rides on the work bench 30 so that the lifting unit 20 is lifted by the hydraulic cylinder so that the work bench 30 works. Is moved to the position.

이때, 작업자의 상단에 구조물이 있을 경우 이를 발견하지 못하고 계속적으로 유압실린더를 작동시킬 경우에는 작업자가 부딪히게 되어 와이어(130)를 건드리게 되고, 상기 와이어(130)의 인장 및 압축에 의해서 리미트스위치가 유압실린더의 작동을 멈추게 된다. At this time, if there is a structure on the top of the worker does not find it and if you continue to operate the hydraulic cylinder, the worker is hit and touch the wire 130, the limit switch by the tension and compression of the wire 130 Will stop the operation of the hydraulic cylinder.

본 고안은 첨부된 도면을 참조하여 바람직한 실시예를 중심으로 기술되었지만 당업자라면 이러한 기재로부터 후술하는 실용신안청구범위에 의해 포괄되는 본 고안의 범주를 벗어남이 없이 다양한 변형이 가능하다는 것은 명백하다.Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that various modifications are possible without departing from the scope of the present invention, which is encompassed by the following claims.

도 1은 본 고안의 바람직한 실시예로 형성된 고소작업대용 협착방지장치의 사시도. 1 is a perspective view of a narrowing platform for aerial platform formed in a preferred embodiment of the present invention.

도 2는 본 고안의 바람직한 실시예로 형성된 고소작업대용 협착방장치의 A부분 단면도. Figure 2 is a cross-sectional view of the portion A of the narrowing platform for aerial platform formed in a preferred embodiment of the present invention.

도 3은 종래의 고소작업대의 사시도. 3 is a perspective view of a conventional aerial platform.

**<도면의 주요부분에 대한 부호의 설명>**** <Description of the symbols for the main parts of the drawings> **

10 : 대차부 20 : 승강부10: balance 20: lift

30 : 작업대 40 : 난간 30: workbench 40: handrail

110 : 홀 112 : 협착스프링110: hole 112: stricture spring

120 : 지지대 122 : 연결고리120: support 122: link

130 : 와이어 140 : 리미트스위치130: wire 140: limit switch

Claims (3)

이동 및 지지를 할 수 있는 대차부(10)와; 상기 대차부(10)의 유압으로 상승하는 승강부(20)와; 상기 승강부의 상단에 난간(40)이 형성된 작업대(30)로 구성되는 일반적인 고소작업대에 있어서,A trolley 10 capable of moving and supporting; A lifting unit 20 which is lifted by the hydraulic pressure of the trolley unit 10; In the general aerial platform consisting of a workbench 30, the handrail 40 is formed on the upper end of the lifting unit, 상기 작업대(30)의 난간(40)의 각각의 모서리에 홀(110)이 형성되고, 상기 각각의 홀(110)에는 협착스프링(112)이 삽입되며, 상기 협착스프링(112)의 상단에는 각각 연결고리(122)가 형성된 지지대(120)가 삽입되고, 상기 각각의 연결고리(122)를 관통하여 끝단이 인장스프링(132)에 의해서 결합되는 와이어(130)가 형성되며, 상기 와이어(130) 상에는 리미트스위치(140)가 형성된 것을 특징으로 하는 고소작업대용 협착방지장치.A hole 110 is formed at each corner of the railing 40 of the work table 30, and a constriction spring 112 is inserted into each hole 110, respectively, at an upper end of the constriction spring 112. A support 120 having a connection ring 122 formed thereon is inserted therein, and a wire 130 through which each end of the connection ring 122 is coupled by a tension spring 132 is formed, and the wire 130 is formed. Limit switch 140 on the aerial platform, characterized in that the narrowing prevention device is formed. 제1항에 있어서,The method of claim 1, 상기 와이어(130)는 일반적인 금속선인 것을 특징으로 하는 고소작업대용 협착방지장치. The wire 130 is a narrowing device for aerial platform, characterized in that the general metal wire. 제1항에 잇어서, In accordance with claim 1, 상기 지지대(120)는 하단이 홀(110)에 삽입되는데, 원형 또는 사각형의 봉으로 하단에 형성된 협착스프링(112)에 의해서 탄력지지 되는 것을 특징으로 하는 고소작업대용 협착방지장치.The support 120 is the lower end is inserted into the hole 110, the stenosis prevention device for aerial platform, characterized in that the elastic support by the narrowing spring 112 formed at the lower end of the round or square rod.
KR2020070021003U 2007-12-29 2007-12-29 Compression protect device of lift for workers KR20090006716U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101629707B1 (en) * 2015-06-25 2016-06-13 한국종합렌탈 주식회사 Separate Safety Unit of Aerial Work Platforms
KR102039508B1 (en) 2019-08-16 2019-11-04 (주)이엘렌탈 Apparatus for prevention narrowness of high-place workbench
KR20200077700A (en) 2018-12-21 2020-07-01 김연한 Compression preventing apparatus for table lift
CN117963810A (en) * 2024-03-28 2024-05-03 江苏精彩风机制造有限公司 Stable base with protection mechanism for aerial working platform

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101629707B1 (en) * 2015-06-25 2016-06-13 한국종합렌탈 주식회사 Separate Safety Unit of Aerial Work Platforms
KR20200077700A (en) 2018-12-21 2020-07-01 김연한 Compression preventing apparatus for table lift
KR102039508B1 (en) 2019-08-16 2019-11-04 (주)이엘렌탈 Apparatus for prevention narrowness of high-place workbench
CN117963810A (en) * 2024-03-28 2024-05-03 江苏精彩风机制造有限公司 Stable base with protection mechanism for aerial working platform
CN117963810B (en) * 2024-03-28 2024-06-04 江苏精彩风机制造有限公司 Stable base with protection mechanism for aerial working platform

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