KR200469892Y1 - Work bench with lifting - Google Patents

Work bench with lifting Download PDF

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Publication number
KR200469892Y1
KR200469892Y1 KR2020130001739U KR20130001739U KR200469892Y1 KR 200469892 Y1 KR200469892 Y1 KR 200469892Y1 KR 2020130001739 U KR2020130001739 U KR 2020130001739U KR 20130001739 U KR20130001739 U KR 20130001739U KR 200469892 Y1 KR200469892 Y1 KR 200469892Y1
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KR
South Korea
Prior art keywords
frame
slip
fixed frame
moving frame
plate
Prior art date
Application number
KR2020130001739U
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Korean (ko)
Inventor
이주웅
박종규
Original Assignee
박종규
이주웅
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Publication date
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Priority to KR2020130001739U priority Critical patent/KR200469892Y1/en
Application granted granted Critical
Publication of KR200469892Y1 publication Critical patent/KR200469892Y1/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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

The present invention is provided with a lifting means operating by hydraulic pressure to freely adjust the height of the moving frame, the sliding frame is provided on the moving frame to provide an aerial platform that can prevent accidents caused by slipping.
Aerial work platform of the present invention, the fixed frame 100; A moving frame 200 disposed above the fixed frame 100; One end is mounted to be rotated to any one of the fixed frame 100 and the moving frame 200, the other end is mounted to be rotated and linearly moved to the other one, the hydraulic cylinder 340 to rotate and straight up and down Lifting means 300 is moved to move the frame 200 up and down; A non-slip plate 400 mounted on an upper portion of the moving frame 200 and having a plurality of anti-slip holes 410 formed in horizontal and vertical directions; A conveying means 500 mounted to a lower portion of the fixed frame 100; Including, but not in the non-slip plate 400, the serrated non-slip projection 420 is formed along the edge of the non-slip hole (410).

Description

Aerial Work Platform {Work bench with lifting}

The present invention relates to an aerial platform, and in particular, is configured to freely adjust the height of the platform, and relates to the aerial platform is used safely and conveniently for inspection and repair of a helicopter or aircraft.

In general, there are many cases of working at a high place in an assembly site of a helicopter or an aircraft, and various types of aerial work platforms are required to perform various assembly or inspection work at such a high place.

In the past, small, medium, and large ladders were used to select heights.

However, the ladder feels uncomfortable because the work space is narrow and the movement is difficult.

To solve this problem, aerial platform has been built to provide a large working space.

1 is a structural diagram showing a conventional aerial platform.

As shown in FIG. 1, in the conventional aerial platform, the upper plate 20 and the lower plate 10 are formed at regular height intervals, and the lower plate 10 is equipped with a caster 30 for moving the worktable. .

In addition, a staircase 40 is installed between the upper plate 20 and the lower plate 10 so that an operator can move up and down.

The conventional aerial work platform configured as described above uses the caster 30 to move the work bench below the work area of the helicopter or the aircraft, and then, using the staircase 40, the worker climbs on the upper plate 20 and the high place. The work area of the helicopter or aircraft located is inspected, repaired and assembled.

However, in the conventional aerial platform, the height of the movable frame 200 is fixed, so that the working part is difficult to work in the place where the working frame is higher or lower than the movable frame 200.

That is, the height of the helicopter or the aircraft is different depending on the inspection site, the conventional aerial platform has a problem that can not cope with various heights because the height is constant.

0001) Republic of Korea Patent Publication 10-2012-0103844 0002) Republic of Korea Patent Publication 10-2010-0036874

The present invention is to solve the above problems, provided with a lifting means operated by hydraulic pressure can freely adjust the height of the moving frame, the anti-skid plate is provided on the moving frame to prevent accidents caused by slipping The purpose is to provide a workbench.

Aerial work platform of the present invention to achieve the above object, the fixed frame 100; A moving frame 200 disposed above the fixed frame 100; One end is mounted to be rotated to any one of the fixed frame 100 and the moving frame 200, the other end is mounted to be rotated and linearly moved to the other one, the hydraulic cylinder 340 to rotate and straight up and down Lifting means 300 is moved to move the frame 200 up and down; A non-slip plate 400 mounted on an upper portion of the moving frame 200 and having a plurality of anti-slip holes 410 formed in horizontal and vertical directions; A conveying means 500 mounted to a lower portion of the fixed frame 100; Including, but not in the non-slip plate 400, the serrated non-slip projection 420 is formed along the edge of the non-slip hole (410).

A fixing means (600) penetrating and inserted into the lower portion of the moving frame (200) to penetrate the anti-slip plate (400) to contact the elevating means (300) to prevent linear movement of the elevating means (300); .

Stair device 700 provided on the side of the fixed frame 100 and the moving frame 200; Further comprising, The staircase device 700, The first step portion 710 is mounted on one side of the fixed frame 100, a plurality of first stepping plate 713 is installed in the vertical direction; A second stair part 720 mounted to the outside of the moving frame 200 and installed to be movable up and down along the first stair part 710 and having a plurality of second stepping plates 722 installed in the vertical direction; The second tread 722 is disposed to be spaced apart from the first tread 713 in the horizontal direction.

Safety belt 800 is detachably installed along the rim on the upper portion of the movable frame 200; Further comprising, the upper portion of the movable frame 200 is formed with an installation groove 220 is formed with an installation groove is open at the top, the safety belt 800 is inserted into the installation unit 220 is the moving frame 200 ) Is mounted.

An anti-collision member 900 of elastic material mounted on the side of the movable frame 200 and the fixed frame 100; .

The aerial platform of the present invention as described above has the following effects.

The movable frame 200 is moved up and down by the elevating means 300, thereby freely adjusting the height of the movable frame 200 in accordance with the height of the inspection portion of the aircraft or helicopter to generate an effect of convenient work.

 The non-slip protrusion 420 increases the frictional force of the non-slip plate 400 to generate an effect that can prevent the sliding of the operator even if foreign matter, such as oil, lubricating oil or moisture in the non-slip plate 400 .

The second step portion 720 is slidably mounted to the first step portion 710, and the first stepping plate 713 and the second stepping plate 722 are disposed to be spaced apart in the vertical direction, thereby Up and down length of the staircase device 700 can be adjusted to produce an effect of convenient use.

Since the safety belt 800 is detachably installed on the upper portion of the movable frame 200, the safety belt 800 can be removed if necessary, thereby making the work convenient.

The anti-collision member 900 is made of an elastic material having a high impact absorption force to minimize the damage to the aircraft when the work table and the aircraft collide during the operation.

1 is a structural diagram of a aerial platform according to the prior art,
2 is a front view of the aerial platform according to an embodiment of the present invention,
3 is a side view of the aerial platform according to an embodiment of the present invention,
4 is a partial perspective view of the aerial platform according to an embodiment of the present invention,
5 is a cross-sectional view taken from AA of FIG. 4;
6 is a cross-sectional view seen from BB of FIG. 4,
7 is a front view showing a state in which the moving frame 200 of the aerial platform according to an embodiment of the present invention is lowered.

2 is a front view of the aerial platform according to an embodiment of the present invention, Figure 3 is a side view of the aerial platform according to an embodiment of the present invention, Figure 4 is a partial perspective view of the aerial platform according to an embodiment of the present invention, Figure 5 4 is a sectional view seen from AA, FIG. 6 is a sectional view seen from BB of FIG. 4, and FIG. 7 is a front view showing a state in which the movable frame 200 of the aerial platform is lowered according to an embodiment of the present invention.

As shown in Figure 2 to 7, the aerial platform according to an embodiment of the present invention, the fixed frame 100, the moving frame 200, elevating means 300, non-slip plate 400, transfer means ( 500, the fixing means 600, the staircase device 700, the safety belt 800 and the collision preventing member 900.

The fixed frame 100, as shown in Figures 2 to 4, is formed in a rectangular frame shape, the lifting means 300 to be described later on both ends in the longitudinal direction, that is, left and right as shown in FIG. The first guide grooves 110 to be inserted are formed to be open in upward directions, respectively.

The first guide groove 110 is formed long in the horizontal direction, two are formed in a pair, a pair is formed on both left and right ends.

The moving frame 200 is disposed above the fixed frame 100, and is formed in a rectangular frame shape in the same manner as the fixed frame 100.

4 and 5, the anti-skid plate 400 to be described later is mounted on the upper portion of the movable frame 200, the lower portion of the movable frame 200, like the fixed frame 100 The second guide grooves 210 are open in the downward direction at both ends in the vertical direction.

Like the first guide groove 110, two second guide grooves 210 are formed in a pair, and each pair is disposed at both ends of the second guide groove 210 and is formed long in the horizontal direction.

In addition, the upper portion of the movable frame 200 is formed in the cylindrical installation portion 220 protrudes near the corner as shown in FIG.

An installation hole 221 having an open top is formed in the installation unit 220, and the safety belt 800, which will be described later, is detachably inserted into the installation hole 221.

The elevating means 300 is mounted between the fixed frame 100 and the movable frame 200, and is rotated and linearly moved up and down by hydraulic pressure to move the movable frame 200 up and down.

In detail, the lifting means 300 includes a first lifting platform 310 and a second lifting platform 320.

 As shown in FIG. 2, the first lifting platform 310 is formed in a long rod shape in the horizontal direction, and one end, that is, the upper end is inserted into the second guide groove 210 of the moving frame 200 so as to be rotated. The other end, ie, the lower end, is inserted into the first guide groove 110 of the fixed frame 100 so as to be rotated and linearly moved.

That is, the upper end of the first lifting platform 310 is mounted to the movable frame 200 to be rotated in the vertical direction about the longitudinal axis, and the lower end is rotated about the longitudinal axis in the fixed frame 100 while the first 1 is mounted to slide in the horizontal direction along the guide groove (110).

Like the first platform 310, the second platform 320 is formed in a long bar shape in the horizontal direction, one end, the upper end is inserted into the second guide groove 210 of the movable frame 200 to rotate And it is mounted to be moved linearly, the other end, that is, the lower end is inserted into the first guide groove 110 of the fixed frame 100 is mounted to be rotated.

Here, the first platform 310 and the second platform 320, as shown in Figure 4 is disposed adjacent to the longitudinal direction, the center is hinged to be rotated by the same rotation shaft 330.

That is, the first platform 310 and the second platform 320 is disposed in the shape of 'X', as shown in FIG.

As described above, the elevating means 300 in which the first elevating platform 310 and the second elevating platform 320 form a pair are respectively installed at both ends in the longitudinal direction.

In addition, as shown in Figures 2 and 3, the lifting means 300 is connected to the hydraulic cylinder 340, when the hydraulic cylinder 340 is raised by the hydraulic pressure, one end of the first lifting platform 310 And an interval between the other end of the second platform 320 is widened, and the other end of the first platform 310 and one end of the second platform 320 slide in a direction of an arrow, that is, to the left. 200) is raised.

On the contrary, as shown in FIG. 7, when the hydraulic cylinder 340 is lowered, the interval between one end of the first platform 310 and the other end of the second platform 320 is narrowed, the first The other end of the lifting platform 310 and one end of the second lifting platform 320 slides toward the arrow direction, that is, to the right, and the moving frame 200 is lowered.

Here, the hydraulic cylinder 340 is driven by the operation of a controller (not shown), the controller is extended for a long time can be operated by the operator on the moving frame 200.

As such, the movable frame 200 is moved up and down by the elevating means 300, thereby freely adjusting the height of the movable frame 200 in accordance with the height of the inspection portion of the aircraft or helicopter to make the work more convenient. Generate.

On the other hand, the anti-skid plate 400 is mounted on the moving frame 200.

The non-slip plate 400 is formed in a rectangular plate shape, made of an aluminum material, a plurality of non-slip holes 410 penetrated in the vertical direction is formed.

As shown in FIG. 4, the non-slip hole 410 has a flat diamond shape and is continuously arranged at regular intervals in the horizontal and vertical directions.

In addition, as shown in FIG. 5, the non-slip plate 400 has a serrated non-slip protrusion 420 protruding upward along the edge of the non-slip hole 410.

That is, the anti-slip protrusion 420 is formed in a concave-convex shape in an upward direction along the circumference of the anti-slip hole 410.

The anti-slip protrusion 420 has an effect of preventing the sliding of the operator even if foreign matter, such as oil, lubricating oil or water, to the anti-slip plate 400 by increasing the friction force of the non-slip plate 400. .

In addition, a plurality of fixing holes 430 are formed in the horizontal direction near both ends of the sliding plate in the vertical direction.

The fixing means 600 is inserted into the fixing hole 430 to be described later.

The transfer means 500 is generally made of a caster with a wheel, is mounted rotatably around the vertical axis, and is provided with a rotation locking means (not shown) to temporarily block the rotation of the wheel.

The conveying means 500 is installed one by one at the corners of the fixing frame 100, that is, the corners of the rectangle, so that the aerial platform of the present invention can be easily moved to a desired position.

In addition, the lower end of the fixed frame 100 is equipped with a stop means 550 to prevent the fixed frame 100 is randomly moved when using a workbench.

The stop means 550 is formed in a long cylindrical shape in the vertical direction, the top is equipped with a handle 551, the bottom is mounted with a support plate 552 in contact with the bottom surface.

The stop means 550 is coupled to the fixing frame 100 in a screw manner, when moving the workbench is rotated in one direction by the handle 551 is raised to be spaced apart from the ground, to fix the workbench to the ground When the support plate 552 is rotated in the other direction is in contact with the ground.

On the other hand, the fixing means 600 is inserted through the non-slip plate 400 to protrude to the lower portion of the moving frame 200, the linear movement of the lifting means 300 in contact with the lifting means 300 To stop.

Specifically, the fixing means 600 is formed in a long cylindrical shape in the vertical direction, as shown in Figures 4 and 6, the circular handle portion 610 is formed on the top.

Here, the diameter of the lower end of the fixing means 600 is equal to or smaller than the diameter of the fixing hole 430 of the non-slip plate 400, the diameter of the handle portion 610 of the fixing hole 430 Larger than diameter

Therefore, when the fixing means 600 is fitted in the fixing hole 430 of the non-slip plate 400, the handle portion 610 is caught by the non-slip plate 400 does not fall downward.

In addition, the fixing means 600 is disposed to protrude to the lower portion of the moving frame 200 through the fixing hole 430.

Here, the lower end of the fixing means 600 is inserted to protrude into the second guide groove 210 in which one end of the second lifting platform 320 is inserted.

The fixing means 600, as shown in Figure 6, when one end of the second lifting platform 320 is linearly moved in the left direction when the moving frame 200 is raised, the second lifting platform 320 When the hydraulic pressure is weakened due to problems such as failure of the hydraulic cylinder 340 is disposed to protrude in the lower portion of the moving frame 200 is inserted into the fixing hole 430 disposed on the right side of the). The lower end of the fixing means 600 may prevent one end of the second lifting platform 320 from moving to the right to prevent the moving frame 200 from suddenly descending to prevent a safety accident from occurring.

Of course, when the working frame is to be lowered after finishing the work, the fixing means 600 is removed.

On the other hand, the staircase device 700 is mounted on the side of the fixed frame 100 and the moving frame 200.

The staircase device 700 is a device formed so that the worker can rise above the moving frame 200, and specifically, as shown in FIGS. 2 and 3, the first stair part 710 and the second stair part ( 720).

As shown in FIG. 2, the first staircase 710 is formed to extend in the vertical direction and is formed in two guide shafts 711 installed on the left side of the fixed frame 100 and is formed to extend in the vertical direction. Two first support shafts 712 are spaced apart from the left side of the fixed frame 100, and a first stepping plate 713 mounted between the first support shafts 712.

A guide groove (not shown) penetrated in the vertical direction is formed in the guide shaft 711, and the second support shaft 721 of the second stairway portion 720 to be described later slides in the vertical direction. It is installed to be movable.

The first support shaft 712 is bent to one side and the upper end is coupled to the guide shaft 711.

The first tread plate 713 is composed of three, is formed as a flat plate of a rectangular space is installed spaced apart at a predetermined interval in the vertical direction.

As shown in FIG. 2, the second stair portion 720 has two second support shafts 721 which are elongated in the vertical direction and whose upper part is mounted on the left side of the moving frame 200. The second tread plate 722 is mounted between the two support shafts 721.

The second support shaft 721 is inserted into the guide groove of the guide shaft 711 so as to be movable up and down, and the second tread plate 722 is formed of a flat plate of a rectangular shape, consisting of three constant up and down direction Spaced apart.

As shown in FIG. 7, the second stair part 720 moves downward along the guide groove when the moving frame 200 moves downward, and at this time, the first stepping plate 713. ) And the second tread plate 722 are disposed to be spaced apart from each other in the vertical direction, that is, the left and right directions, so as not to interfere with each other.

As described above, the second step portion 720 is slidably mounted to the first step portion 710, and the first stepping plate 713 and the second stepping plate 722 are spaced apart from each other in the vertical direction. , The vertical length of the staircase device 700 can be adjusted to produce an effect of convenient use.

On the other hand, the safety belt 800 is installed detachably along the rim on the upper portion of the movable frame 200.

Specifically, the safety belt 800 is made of a circular pipe, it is formed in a square shape.

The safety belt 800 is formed so that both ends in the horizontal direction protrude in the downward direction, the safety belt 800 is mounted detachably to the mounting portion 220 of the movable frame 200.

That is, both ends of the safety belt 800, the lower end is inserted into the installation hole 221 of the installation unit 220, when not in use can be stored separately from the installation hole 221.

As such, since the safety belt 800 is detachably installed on the upper portion of the movable frame 200, the safety belt 800 can be removed if necessary, thereby making the work convenient.

On the other hand, the anti-collision member 900 is formed in a circular shape having a hollow, such as a pipe, is mounted on the side of the movable frame 200 and the fixed frame 100.

The anti-collision member 900 is made of an elastic material having a high impact absorption force to minimize the damage to the aircraft when the work table and the aircraft collide during the operation.

As such, the aerial platform according to an embodiment of the present invention made of the above configuration, the first platform 310 and the second platform 320 to rotate and linearly moved by using the hydraulic pressure to suit the movement position The height of the frame 200 can be freely adjusted to produce an effect that facilitates work.

Aerial work platform of the present invention is not limited to the above-described embodiment, it can be carried out in a variety of modifications within the range that the technical idea of the present invention is allowed.

100: fixed frame, 110: first guide groove,
200: moving frame, 210: second guide groove,
220: installation portion, 221: installation hole,
300: the lifting means, 310: the first platform,
320: second lifting platform, 330: rotating shaft,
340: hydraulic cylinder, 400: slip plate
410: anti-slip ball, 420: non-slip protrusion,
430: fixing hole, 500: conveying means,
550: stop means, 600: fixing means,
610: handle portion, 700: stairs,
710: first staircase, 711: guide shaft,
712: first support shaft, 713: first tread,
720: second staircase, 721: second support shaft,
722: second tread, 800: safety belt,
900: anti-collision member,

Claims (5)

A fixed frame 100;
A moving frame 200 disposed above the fixed frame 100;
One end is mounted to be rotated to any one of the fixed frame 100 and the moving frame 200, the other end is mounted to be rotated and linearly moved to the other one, the hydraulic cylinder 340 to rotate and straight up and down Lifting means 300 is moved to move the frame 200 up and down;
A non-slip plate 400 mounted on an upper portion of the moving frame 200 and having a plurality of anti-slip holes 410 formed in horizontal and vertical directions;
A conveying means 500 mounted to a lower portion of the fixed frame 100; Including,
The non-slip plate 400, the serrated non-slip projection 420 is formed along the edge of the non-slip hole 410,
A fixing means (600) penetrating and inserted into the lower portion of the moving frame (200) to penetrate the anti-slip plate (400) to contact the elevating means (300) to prevent linear movement of the elevating means (300); Further comprising:
Stair device 700 provided on the side of the fixed frame 100 and the moving frame 200; Further comprising:
The staircase device 700,
A first staircase 710 mounted on one side of the fixed frame 100 and provided with a plurality of first stepping plates 713 in a vertical direction;
A second stair part 720 mounted to the outside of the moving frame 200 and installed to be movable up and down along the first stair part 710 and having a plurality of second stepping plates 722 installed in the vertical direction; Lt; / RTI >
The second stepping plate 722 is spaced apart from the first stepping plate 713 in the horizontal direction,
Safety belt 800 is detachably installed along the rim on the upper portion of the movable frame 200; Further comprising:
The upper portion of the movable frame 200 is formed with an installation portion 220 is formed with an installation groove on the top,
The safety belt 800 is inserted into the installation unit 220 is mounted to the moving frame 200,
An anti-collision member 900 of elastic material mounted on the side of the movable frame 200 and the fixed frame 100; Further comprising:
The non-slip plate 400 is formed with a plurality of fixing holes 430 spaced apart at regular intervals so that the fixing means 600 is inserted into the fixing plate 430 in any one of the fixing holes 430 Aerial work platform, characterized in that for fixing the height-adjusted lifting means 300 by being inserted into the fixing means (600).
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KR2020130001739U 2013-03-08 2013-03-08 Work bench with lifting KR200469892Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150135578A (en) * 2014-05-22 2015-12-03 주식회사 화승알앤에이 Work table for a pipe connecting device
KR101580845B1 (en) * 2015-07-10 2015-12-29 비에이치중공업 주식회사 Lift one improves the working efficiency

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002165842A (en) * 2000-11-29 2002-06-11 Nhk Spring Co Ltd Seat elevating/lowering device for chair
KR20050120608A (en) * 2005-12-06 2005-12-22 성원강업 주식회사 A scaffold
JP2006044442A (en) * 2004-08-04 2006-02-16 Yutaka Takagi Piano conveying truck
KR200418543Y1 (en) * 2006-03-27 2006-06-12 김선환 Lift for a high place work

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002165842A (en) * 2000-11-29 2002-06-11 Nhk Spring Co Ltd Seat elevating/lowering device for chair
JP2006044442A (en) * 2004-08-04 2006-02-16 Yutaka Takagi Piano conveying truck
KR20050120608A (en) * 2005-12-06 2005-12-22 성원강업 주식회사 A scaffold
KR200418543Y1 (en) * 2006-03-27 2006-06-12 김선환 Lift for a high place work

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150135578A (en) * 2014-05-22 2015-12-03 주식회사 화승알앤에이 Work table for a pipe connecting device
KR101593306B1 (en) * 2014-05-22 2016-02-12 주식회사 화승알앤에이 Work table for a pipe connecting device
KR101580845B1 (en) * 2015-07-10 2015-12-29 비에이치중공업 주식회사 Lift one improves the working efficiency

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