KR20030086539A - Lift apparatus combined movable high position work plate for indoor work capable of operating electric power - Google Patents

Abstract

PURPOSE: An electromotive lift device used as a movable aerial work platform is provided to enable a worker to easily perform reinforcement work indoors, and to easily lift heavy objects. CONSTITUTION: An electromotive lift device(100) used as a movable aerial work platform is composed of a bottom plate(110), a wheel(114) installed at the lower part of the bottom plate, a leg supporter(113) fixing the electromotive lift device, a central supporter(120) installed at the bottom plate, a lifting unit(130) installed at the central supporter and moving up/down, a winch(150) supplying power to the lifting unit, and a power supply unit(140).

Description

LIFT APPARATUS COMBINED MOVABLE HIGH POSITION WORK PLATE FOR INDOOR WORK CAPABLE OF OPERATING ELECTRIC POWER}

The present invention relates to a mobile aerial platform combined electric lift device for indoor operation. In more detail, the present invention is movable to facilitate the work such as reinforcement in the room, and performs the function of lifting heavy weights, if necessary, the operator boards the lift lifting load, the ceiling, the top of the wall, etc. It is about an aerial platform that can perform various tasks.

In general, there is a need for a renovation project including a new construction of a building, a renovation including a reconstruction, a duct and an air conditioning piping, a lift device for lifting a heavy weight in a form suitable for a construction, and an aerial platform referred to as "ashiba".

Hereinafter, a conventional manual lift apparatus, a chain block for aerial work, and the like will be briefly described with reference to FIGS. 1A to 1C.

Figure 1a is a perspective view of a conventional manual lift device, Figure 1b is a view for explaining the use of the conventional manual lift device shown in Figure 1a, Figure 1c is a view showing a general chain block.

In general, during the renovation work of apartments, building buildings, or maintenance work of buildings, it has been used for the lifting of heavy materials using a conventional lift device as shown in Figure 1a.

The conventional lift apparatus 10 includes a central support 11, an elevating drive unit 12, a loading unit 13, a moving leg 14, a handle 15, a fixing leg 17, and the moving unit. A plurality of wheels 16 are attached to the lower part of the leg and the fixing leg.

The center support 11 can be stretched according to the height of the heavy object, and the lift part 12 is coupled to this center part, and is connected to the handle 15 by a wire (not shown). When the worker manually turns the handle 15 to wind the wire, the lift part 12 is raised, and when the handle 15 is rotated in the opposite direction in the raised state, the lift part 12 is lowered. The lifting unit 12 is fixedly attached to the c-shaped object loading unit 13. The article loading section 13 loads and lifts the article as shown in FIG. 1B.

Such a manual lift device 10 is inconvenient to move, and its height and volume are so large that it cannot be loaded in an elevator. Therefore, when moving a staircase or the like, several people have to move the lift device 10 with it. In addition, since its weight reaches 100 to 200 Kg, there is a disadvantage in that the movement is not free. In order to move the lift apparatus 10 using the stairs, three or four workers are required.

In addition, such a lift apparatus 10 has a lifting allowable weight of about 100 to 300 Kg and a lifting height of 2 to 6 m, and various models have been released. However, such a lift device 10 can be seen that the price is significantly higher according to the lifting allowable weight, lifting height.

Since the lift apparatus 10 is a manual type in which a worker lifts a heavy object by directly turning a handle, when the lifting allowable weight is 100 Kg or more, the operator has a disadvantage in that he can only turn the handle 15 very hard.

As such, it is practically impossible for the lift device 10 to lift up to about 1 to 2 tonnes of weight, such as H-beams, during indoor work.

Hereinafter, a conventional chain block and the like will be briefly described with reference to FIG. 1C.

In order to lift such a heavy weight or a chain block etc. are used a lot. Chain block has a disadvantage in that the support must be installed every reinforcement work, the work efficiency is significantly reduced.

Therefore, in such a site, it is possible to easily lift the weight of 2 to 5 tons, there has been a demand for an effective device capable of performing a high position work by a person.

In view of the above-mentioned problems of the prior art, an object of the present invention is to provide an aerial platform having an electric lift function that can easily lift the weight required for indoor operation.

Another object of the present invention is to provide a lift combined aerial platform that is easy to assemble, easy to adjust the height, movable, can be moved by elevator or the like.

Another object of the present invention is to provide an aerial platform having a lift function suitable for indoor operation.

Still another object of the present invention is to provide a movable aerial platform combined electric lift apparatus capable of working without narrow aerial platform installed separate aerial platform.

The operator of the present invention is to provide a movable aerial platform combined electric lift device capable of operating a remote switch and a single person working on the aerial platform.

The operator of the present invention is to provide a high-moving aerial platform combined electric lift device that can be cheap and improve the work efficiency.

1A is a perspective view of a conventional manual lift apparatus,

Figure 1b is a view for explaining the use of the conventional manual lift apparatus shown in Figure 1a,

1c shows a typical chain block,

Figure 2 is a perspective view of the mobile aerial platform combined lift device of the present invention,

Figure 3 is a side view of the mobile aerial platform combined electric lift apparatus of the present invention,

4 is a detailed view for explaining the lift driving unit illustrated in FIGS. 2 and 3;

5 is a view showing a loading box for mounting on a mobile aerial platform combined lift device of the present invention,

6 is a view showing a folded state for moving the movable aerial platform combined electric lift apparatus of the present invention.

<Description of Symbols for Main Parts of Drawings>

100: movable aerial platform combined electric lift device

110: bottom plate 111: wheels

112: pedal 113: fixing leg support

114: bottom fixing plate 115: bracket

120: center support 125: upper portion

126: pulley 127: ring

130: lifting portion 131: wire fastening portion

132: loading portion 133: roller

135: loading box 140: power supply

150 winch 151 wire

160: pulley

Lifting heavy weight according to an embodiment of the present invention, a mobile aerial platform combined electric lift device that can be carried by the operator to perform the aerial work,

Bottom plate for mounting the central support, power supply, winch, etc.,

A 360 ° rotatable wheel installed at the bottom of the bottom plate to move the device,

A fixing leg support for fixing the device to a predetermined position in the workplace,

A central support installed upright on the bottom plate,

Lifting unit which is installed to the lifting and lowering on the central support,

A winch for providing power for lifting or lowering the lifting unit through a wire;

It characterized in that it comprises a power supply for supplying power to the winch,

Preferably, the movable aerial platform combined electric lift apparatus according to an embodiment of the present invention is characterized in that the fixing leg support is rotatable 270 ° on the side of the bottom plate and is foldable.

Preferably, the movable aerial platform combined electric lift apparatus according to an embodiment of the present invention comprises a one-touch height adjustment pedal provided with the fixing leg support on the outer end, and a screw type for adjusting the fine height by rotation. It characterized in that it further comprises a fixing plate.

Preferably, the movable aerial platform combined electric lift apparatus according to an embodiment of the present invention is detachably fixed to the bracket fixed to the bottom plate by a plurality of fastening means, and the plurality of lifters to facilitate movement. By releasing some of the fastening means, the central support can be laid down.

Preferably, the movable aerial platform combined electric lift apparatus according to an embodiment of the present invention, the central support is made of a ladder-shaped boom, the wire is fixed to the upper end, the pulley itself rotates, and if necessary Accordingly characterized in that it comprises a plurality of rings for securing the device by other fastening means.

Preferably, the movable aerial platform combined electric lift apparatus according to an embodiment of the present invention is characterized in that the center support is formed by connecting a plurality of ladder-shaped booms according to the working position of the working place.

Preferably, the movable aerial platform combined electric lift apparatus according to an embodiment of the present invention, a plurality of rollers that can be moved up and down along the center support, the lower portion of the elevating portion is formed integrally extending outwardly A loading portion, and a connecting portion for connecting the wire from the winch.

Preferably the movable aerial platform combined electric lift apparatus according to an embodiment of the present invention is characterized in that it further comprises a loading box that can be releasably mounted to the mounting portion formed integrally with the lifting portion.

(Example)

Hereinafter, referring to FIGS. 2 to 6, a detailed description will be given of the electric lift combined aerial work apparatus according to the exemplary embodiment of the present invention.

FIG. 2 is a perspective view of the movable aerial platform combined electric lift device of the present invention, FIG. 3 is a side view of the movable aerial platform combined electric lift device, and FIG. 4 is a detailed view for explaining the lift lifter shown in FIGS. 2 and 3. 5 is a view showing a loading box for mounting on a mobile aerial platform combined lift device of the present invention, Figure 6 is a view showing a state folded to move the mobile aerial platform combined lift device of the present invention. .

In FIG. 2, the present invention will be described in detail with the new type of mobile aerial platform combined electric lift apparatus 100 suitable for indoor maintenance, reinforcement work, duct and air conditioning installation work on the ceiling.

As shown in FIG. 2, the movable aerial platform combined electric lift device 100 includes a bottom plate 110, a central support 120 referred to as a boom, a lifting unit 130, a power supply unit 140, and a winch. 150, a pulley 160, and the like.

Bottom plate 110 is generally made of a relatively heavy four-sided iron plate to maintain the center of gravity and balance of the mobile aerial platform combined with the mobile aerial platform 100 as a whole, the size that can be loaded on an elevator, that is, 60 to 100 cm And have a size of 80 to 140 cm in width. Each of the lower edges of the bottom plate 110 is provided with a 360 ° rotatable wheels 111, so that the movable aerial platform combined electric lift device 100 can be easily moved.

In addition, each of the horizontal side edges of the bottom plate 110, the fixing leg support 113 made of about 1/2 of the length of the bottom plate 110 is installed to be rotatable about 270 °. The fixing leg support 113 is a device for fixing the movable aerial platform combined electric lift device 100 so as not to move, the height adjustment pedal 112 and the screw form in the lower portion of the outer end of the leg support 113 The rotatable bottom fixing plate 114 is installed. The height adjustment pedal is higher than the wheel 111 during movement or during normal use, and is not disturbed when the device 100 moves, and when the device 100 is to be locked in the working position, when the pedal is pressed, the wheel Go down below (111). Fixing each leg support of the corner side, the wheel 111 is actually floating in the air is fixed so that the device 100 does not move. In addition, the bottom fixing plate 114 is formed with a male screw in the center of the disk shape, when the floor of the construction site is not flat, it is possible to finely adjust the height.

Since the other end of the leg support part 113 is axially supported by the support bracket 115 provided in the horizontal side edge part of the bottom plate 110, it is rotatably installed 270 degrees.

Here, in this embodiment, the leg support 113 has been described as four installed in the same shape on the horizontal side of the bottom plate 11, it can be seen that the present invention is not limited thereto. That is, two leg support parts 113 having different lengths may be installed on the horizontal side, and two may be installed on the vertical side.

The upper portion of the bottom plate 110, the central support 120, the power supply device 140, the winch 150 is fixedly installed.

The lower end of the central support 120 is fixed up and down using two bolt nuts to the bracket 121 fixed to the bottom plate 110 by welding or the like.

In addition, the central support 120 is generally formed of a rectangular ladder shape as shown in the figure as a steel tube (generally referred to as a boom). The central support 120 is generally 3m or less because the indoor height of the building is about 3m. These booms can be connected to two booms of 1,5 m length, and can be made up of one 3 m sized boom. In addition, if the height is quite high, such as a lobby of a large building, these 3 m sized booms can be 2-6 pieces. By connecting, it can be up to 18m.

Here, it is described that the manufacturing of a plurality of booms to fix each using a fastening mechanism such as a bolt nut, but it is to be economically inexpensive, so it should be recognized that it can be transformed into a height-adjustable possible device automatically. .

A pulley 126 for rotating the wire rotatably and fixing the wire at a predetermined position is provided at the upper end 125 of the central support 120. In addition, by installing a plurality of hooks 127 in the upper end 125 of the central support 120, if the heavy material is very heavy, about 2 to 5 tons, by fixing to a predetermined position of the building using a chain block or wire The device 100 can be made even more stable.

In addition, when necessary, when the heavy lifting weight is loaded on the lifting unit 130 between the hook 127 and the bottom plate 110 installed at the upper end of the central support 120, the bending of the central support 120 or Reinforcement wire 180 may be separately installed for reinforcement.

The lifting unit 130 is movable on the central supporter 120. The lifting unit 130 will be described in detail with reference to FIG. 4 to be described later.

The winch 150 and the power supply device 140 are installed at one portion of the bottom plate 110.

In addition, the bottom plate 110 is provided with a wire fixing pulley 160. The pulley 160 fixes the wire 151 coming out of the winch 150 at a predetermined position, and the pulley itself rotates freely.

The winch 150 lifts and lowers the lifting unit 130 mounted on the central support 120 by winding (forward rotating) or unwinding (reversely rotating) the wire 151 by a motor rotating in the forward or reverse direction. Or descend.

The winch 150 may use a winch 150 that is commercially available. The wire 151 coming out of the winch 150 is fastened to the connecting ring of the elevating unit through the pulley 160 and the pulley 126 of the upper end 125 from the lower portion of the central support 120.

The winch 150 is connected to a remote controller that can remotely control the winch 150, that is, a switch 155. Therefore, since the worker carrying the remote controller 155 can ride on the lifting unit 130 and operate the lifting and lowering operation of the winch by itself, the one-person work can be effectively performed.

The power supply device 140 is for providing a driving voltage to the winch 150 and generally uses a rechargeable DC battery having a rated voltage of 12V. However, the power supply 140 may supply AC power, or may charge during use of the device 100 by using a direct current and alternating current or a charging outlet for a battery.

Here, the power supply device 140, the winch 150, the pulleys 160 installed on the bottom plate 110 is heated by a steel or plastic cover 170 so as not to seep rain water.

Referring to FIG. 3, as a perspective view of the device 100, it is easy to understand how to operate the lifting unit 130, and as described above, the connection relationship of the wire 151 from the winch 130 is clearly clarified. I can understand.

Hereinafter, the lifting unit 130 will be described in detail with reference to FIG. 4.

The lifting unit 130 has a rectangular tetrahedron shape as shown in FIG. 4. Although only the skeleton of the hexahedron is illustrated in the drawings, this is for easily explaining the invention, and each side of the hexahedron may be covered with a thin iron plate or the like in consideration of safety problems.

The lifting unit 130 includes a wire fastening unit 131, a mounting unit 132 extending from the lifting unit, and eight rollers 133 in close contact with the center supporter 120. Here, the heavy load portion 132 is shown in the form of two rods integrally formed at the bottom edge of the lifting unit 130, it may be made of a plate shape. In addition, although the mounting part 132 can be integrally formed in a box shape, since the structure and shape of a heavy object are different, the present structure is preferable for loading such a heavy object.

The stacking unit 132 is preferably used by separately manufacturing a box-shaped stacking box.

In addition, it is to be appreciated that the eight rollers 133 attached to the elevating portion are used to facilitate the elevating operation and are not limited in number. The roller may be a two-stage roller, which is because the central support 120 is made of a square tube, a two-stage roller was used in a suitable form,

If the central support 120 is made of a c-shaped tube, a general roller can be used, the roller 133 can be operated more stably. In addition, if the central support 120 is made of a cylindrical tube, a roller having a semi-circular contact surface appropriate for the cylinder may be used.

5 is a view showing a stacking box 135 for mounting on a mobile aerial platform combined electric lift apparatus of the present invention.

The loading box 135 is generally a fastening means such as a screw (not shown) to the loading portion 132 formed to extend from the lifting portion 130, as shown in Figure 5, when the operator boards or lifts only heavy objects It is made of a form that can be detachably mounted by).

This loading box 135 may be variously modified as necessary, for example, in the form of a circular shape or a skeleton of a cube.

6 is a view showing a folded state for moving the movable aerial platform combined electric lift device. In this case, when the device 100 is moved between floors or when obstacles such as ducts or air conditioning pipes are installed, the two upper and lower nuts fixed to the lower bracket 121 without dismantling the center support 120 are provided. By releasing any one of the nuts, the central support can be laid down as in FIG. 5 and therefore is much easier to move.

Although not shown in the figure, by using two of the apparatus 100, a long and heavy weight such as H-beam can be effectively installed at a high position such as a ceiling. In addition, even in a complex site, such as the piping and air conditioning ducts can be performed effectively.

Since the movable aerial platform combined electric lift apparatus according to the embodiment of the present invention has an electric lift function that can easily lift the weight required for indoor work, and has an aerial platform function that allows an operator to carry out work. The work can be carried out very conveniently.

The movable aerial platform combined electric lift apparatus according to the embodiment of the present invention is simple to assemble, easy to adjust height, movable, and movable by an elevator or the like.

Mobile lift platform combined electric lift apparatus according to an embodiment of the present invention can be easily performed without narrow aerial work is installed a separate aerial platform.

Since the operator of the present invention can operate the remote switch to work at the aerial platform, and can work alone, labor and work costs can be reduced, and the cost of the device can be improved and work efficiency can be improved.

In the above description of the embodiments of the present invention, it has been described in detail for the electric lift platform combined with a mobile lift, it should be appreciated that the present invention is not limited thereto. In other words, it can be seen that it can be modified or altered to suit each of the mobile lift apparatus or aerial platform, and such changes or modifications should be construed as being included in the appended claims of the present invention.

Claims (8)

In the electric lift platform combined electric lift device that lifts heavy weights, and the operator can ride the aerial work, Bottom plate for mounting the central support, power supply, winch, etc., A 360 ° rotatable wheel installed at the bottom of the bottom plate to move the device, A fixing leg support for fixing the device to a predetermined position in the workplace, A central support installed upright on the bottom plate, Lifting unit which is installed to the lifting and lowering on the central support, A winch for providing power for lifting or lowering the lifting unit through a wire; A power supply for supplying power to the winch The movable aerial platform combined electric lift apparatus comprising a. The movable lift platform combined electric lift apparatus according to claim 1, wherein the fixing leg support is rotatably installed on the side of the bottom plate and is foldable. 3. The fixing leg support according to claim 1 or 2, One-touch height adjustment pedal installed on the outer end, and The movable lift platform combined electric lift device further comprises a fixing plate made of a screw for adjusting the fine height by rotation. 2. The central support according to claim 1, wherein the central support is detachably fixed to the bracket fixed to the bottom plate by a plurality of fastening means, and by releasing a part of the plurality of fastening means to facilitate movement, the center support can be laid down. Mobile lift platform combined electric lift device, characterized in that there is. The method of claim 1 or 4, wherein the central support, It consists of a ladder-shaped boom, A movable lift platform combined electric lift device, characterized in that the upper end portion is fixed to the wire, and includes a pulley that rotates itself, and a plurality of hooks for securing the device by other fixing means as necessary. The method of claim 5, wherein the central support, The movable aerial platform combined electric lift device, characterized in that a plurality of ladder-shaped boom according to the working position of the working place is connected. According to claim 1, wherein the lifting unit A plurality of rollers that can be moved up and down along the central support, A loading unit integrally formed to extend outward from a lower portion of the lifting unit; A mobile aerial platform combined electric lift apparatus comprising a connection for connecting wire from a winch. The movable aerial platform combined electric lift apparatus according to claim 1, further comprising a loading box that can be releasably mounted to a loading portion integrally formed with the lifting portion.