KR101441332B1 - A method for supplying materials for access floor of clean room and an apparatus therefor - Google Patents

Abstract

The present invention relates to a method of supplying H-beams for installing an access floor frame of a clean room, which supplies H-beams as a material for installing an access floor frame for installing a panel made of aluminum or steel as an access floor material in a clean room on a horizontal beam of a grid beam of a clean room. H-beams for an access floor frame to be fixed to a poster on two adjacent horizontal beams is transferred by using a first transfer device installed in a longitudinal direction from a material carry-in port to a clean room at horizontal beams installed by being spaced apart at predetermined intervals in a longitudinal direction of the clean room. The H-beams for an access floor frame transferred in the longitudinal direction of a clean room are transferred and supplied using a second transfer device arranged between H-beams for an access floor frame, fixed to a post on the horizontal beams. H-beams for an access floor frame of a clean room can be rapidly and safely supplied to a working position without using a forklift truck as in the related art, thereby shortening a construction period, preventing accidents related to workers, and supplying H-beams for an access floor frame without removing a net installed below a grid beam.

Description

FIELD OF THE INVENTION The present invention relates to a method and apparatus for providing a clean room access floor frame,

The present invention relates to a method of supplying a material for installing a clean room access floor frame. More particularly, the present invention relates to a method for supplying a clean room access floor with a grid beam and a H beam as a material for constructing a frame for installing an access floor thereon, The present invention relates to a method for supplying a cleanroom access floor frame mounting material improved to install an access loader frame with a H beam on a grid beam as a cleanroom access floor structure.

The present invention also relates to a material supply device for installing the clean room access floor frame.

In general, a clean room that performs ultra-precision processing or inspection processes such as a semiconductor or LCD manufacturing plant requires a high degree of cleanliness, and an ordinary clean room has an access floor for installing heavy equipment and high- The H beams are arranged in a lattice structure with a predetermined height from a substructure access floor to form a lattice beam and an access floor frame for installing a cleanroom access floor panel in the lattice beam is formed.

As shown in FIG. 1, the cleanroom access floor is constructed such that the cleanroom access floor 1 is spaced apart from the floor 2 of the actual concrete building because there are various ducts, electric wires, communication lines, In order to install the drain pipes and to allow the operator to go in and out for maintenance, the access floor frame must be built on the lattice beam with the H beams spaced from the building floor (2). For this work, Location.

This cleanroom access floor has H-shaped beams 4 installed longitudinally at positions of a predetermined height from the access floor to columns 3 of concrete buildings as schematically shown in Fig. 2, and horizontal The grating beam 6 is constructed by joining the H beams 5 in a lattice shape in the direction of the grating beam, and an access floor frame is provided in the grating beam to provide aluminum or steel panels as a cleanroom access floor panel.

The work for installing the access floor frame is performed by placing materials such as an H beam on a platform of a building and then slowly carrying and mounting the H beams of a heavy weight on the floor of the building high above the floor of the building, Due to the transportation of such heavy materials by manpower, the installation of the access floor frame is very late and the operation efficiency is low. Also, there is a risk of accidents due to work at a high position on the floor, There is a problem that the installation cost of the access floor for the clean room is increased.

On the other hand, in the lower layer of the lattice beam 6, the material is raised by the forklift through the space between the lattice beams, and the worker moves on the lattice beam to the work position by moving the work material to the work position. However, And the installation of the access floor frame is carried out at a high rate, and a lot of work time and manpower are required. In the case where various ducts, electric wires, communication lines, and water pipes are installed in the lower grid, There were many cases where it was not possible to carry out the work. Also, in general, for the safety of the workers working on the lattice beam, a safety net is installed under the lattice beam, so it is necessary to remove the safety net at the place where the material is lifted by the forklift. In this case, There was a problem.

In order to solve the problems related to the material transportation for installing the clean room access floor frame, the present applicant has proposed "Registered Material Handling Device for Installation of Clean Room Access Floor Structure" of Registered Utility Model No. 20-0373696 registered on January 11, 2005. The material conveying apparatus includes a roller driven by a gear motor movably in a rail installed at a work place, a suspension rail mounted on a horizontal support member mounted so as to be supported by vertical supporting members on both sides and bresses, And a chain hoist movably mounted on the suspending rail to load and unload the beams so that the heavy steel beams can be easily transferred from the platform to the carrier truck by the chain hoist moving on the suspension rail, And moved to the assembly work position, so that the beams can be unloaded more quickly and safely by using the chain hoist of the conveyance truck.

However, in the above-mentioned design, there is a problem that the material conveying device must be installed on the clean room frame and the transportation car is used, the cost is high, and the time and manpower required for installation and disassembly are required.

Registered utility model No. 20-0373696 (Registered on January 11, 2005)

The object of the present invention is to solve the problems related to the supply of the material for installing the access floor frame on the conventional clean room grid beam by mounting the access floor frame mounting materials such as the H beam to the platform on the grid side through the equipment entrance, The material for the access floor frame can be quickly and easily transferred from the lattice beam to the working position by using the longitudinal direction transfer means for transferring the material in the longitudinal direction to the position and the width direction transfer means for transferring the material in the width direction from there to the working position To provide a method of supplying a material for installing an improved cleanroom access floor frame.

It is another object of the present invention to provide an apparatus for carrying out a method of supplying a material for installing a cleanroom access floor frame.

In order to achieve the above object, the present invention provides a method for supplying an H-beam for installing a clean room access floor frame, comprising the steps of: (a) providing an access floor frame for installing an aluminum or steel panel for an access floor of a clean room, The H beam supplying method for installing a clean room access floor frame,

The clean room access floor frame is set in the longitudinal direction and the width direction of the clean room,

The first transfer device is installed in the longitudinal direction of the clean room from the material loading port on the horizontal beams spaced at a predetermined distance in the longitudinal direction of the clean room to transfer the H beam for the access floor frame in the longitudinal direction of the clean room,

The H beams for the access floor frame transported in the longitudinal direction of the clean room through the first transfer device are transferred onto the transverse beams extending in the width direction of the clean room as they are,

The second transfer device is disposed between the H beams for the access floor frame installed on the lateral beams as described above to transfer and feed the H beams for the access floor frame in the width direction of the clean room.

The first conveying device is a roller conveyor, and the H beams for the cleanroom access floor frame are arranged in the longitudinal direction and conveyed along the longitudinal direction of the clean room.

The second conveying device is a ball caster disposed between the H beams for the access floor frame adjoining and fixed above the beams. The H beam for the access floor frame conveyed through the ball casters is installed on the poster of the beam, And the ball casters are disposed between the H beams installed, and the H beams for the access floor frame are supplied in the width direction while extending the ball casters.

The ball caster is provided with a support portion spaced apart at a predetermined distance from the bottom of the ball caster so that the support portions are disposed in contact with the top edges of the H beams for the adjacent access floor frame to keep the ball caster from moving.

The clean room access floor frame mounting material supply device according to the present invention is a device for supplying a clean room access floor frame to a cleanroom accessory floor frame from a material receiving opening to a longitudinal string of the clean room and a grid- CLAIMS 1. A material supply apparatus for installing a clean room access floor frame for supplying a material such as an H beam between adjacent cross beams,

A first conveying means installed above the beams in the longitudinal direction of the clean room so as to supply the H beams from the material receiving opening to the clean room in the longitudinal direction of the clean room,

The H beam transmitted to the first conveying means is supplied to adjacent two horizontal directional beams provided in the width direction of the clean room so as to supply both ends of the H beam for the access floor frame in the width direction of the clean room, And second transport means disposed between the H beams for the floor frame.

The first conveying means is a roller conveyor for conveying the H beam in the longitudinal direction thereof and the second conveying means is a ball caster disposed in at least two rows arranged on the beams adjacent to each other to convey the H beam in the width direction thereof .

The ball caster is provided with supports at the bottom of its case, and the supports are each configured to contact the inside of the upper end of the H beams for the access floor frame installed adjacent to the lateral beams, so that the ball casters are held between adjacent H beams.

The ball caster is freely rotatably mounted on the case so that the H-beams for the access floor frame can be safely transported in the width direction, and the gap between the adjacent two balls is smaller than the width of the H beam for the access floor frame .

According to the present invention, an H beam is transferred from a material loading port of a clean room to form a clean room access floor frame in the length direction of a clean room by using a first transfer device, and then the H beams are transferred between H beams It is possible to arrange the second transfer device and transfer the H beam in the width direction to quickly install the H beam for the cleanroom access floor frame, thereby reducing the air.

In addition, according to the present invention, the H beams are transported in the longitudinal direction and the width direction of the clean room by using the roller conveyor as the first transport device and the ball casters as the second transport device to supply the H beams, It is possible to prevent the occurrence of a safety accident of the operator.

There has been a problem in that a forklift is used for supplying H beams or a safety net installed at the bottom of a lattice beam is removed and reinstalled after the material is supplied. However, according to the present invention, Can be supplied safely and quickly on the lattice beam using the first and second transfer devices.

1 is a schematic perspective view showing a general structure of a clean room.
FIG. 2 is a schematic perspective view showing a grid beam installation of the clean room of FIG. 1; FIG.
3 is a schematic plan view showing a state in which a clean room access floor frame material supply device for supplying a material for installation of a clean room access floor frame according to the present invention to a work position is installed.
FIG. 4 is a plan view showing a state in which a ball caster is installed in an access floor frame in FIG. 3;
5 is a cross-sectional view showing a state where a ball caster is installed between H beams for an access floor frame;
6 is a schematic perspective view showing the supply of H beams for an access floor frame using the clean room access floor frame material supply device shown in Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.

3 to 5, an apparatus for supplying an H beam as a material for installing an access floor frame of a clean room according to the present invention is schematically shown. The cleanroom access floor frame feeder according to the present invention is constructed in such a manner that a grid bar made of a beam 101 and a string 102 installed in the width and length direction of the pillars 100 is formed in a space to be used as a clean room.

In the figure, longitudinally extending longitudinal beams 101 are arranged at predetermined intervals in the longitudinal direction to extend in the longitudinal direction in a predetermined scale area to supply the H beam 110 as a cleanroom access floor frame material. A first conveying means is provided and two adjacent H beams 110, which are supplied by the first conveying means and fixed at predetermined intervals to two adjacent beams 101 extending in the width direction, And the second conveying means is disposed so as to extend in the width direction of the clean room.

The first conveying means is a roller conveyor (105) fixed on the beams (101) with brackets in the longitudinal direction of the zone in which the access floor frame is to be installed, and transfers the H beams in the longitudinal direction thereof, and the second conveying means And a ball caster 115 for conveying the H beam conveyed by the roller conveyor as the conveying means in the width direction thereof.

As the first conveying means, the roller conveyor 105 is provided with a plurality of rollers rolling in the longitudinal direction of the clean room. The brackets are fixedly installed in the longitudinal direction of the clean room from the horizontal beams, The H beam is arranged on the top of the clean room and is easily transported in the longitudinal direction of the clean room.

The ball caster 115 has a plurality of balls 119 freely rotatably mounted on the case 116. A support portion 117 is fixed to the bottom of the case at regular intervals, The outer side surfaces of the supporting portions 117 are respectively in contact with the inside of the upper ends of the H beams 110 for the two access floor frames so that the ball casters are supported and supported by the supporting portions 117 when the H beams are moved. The plurality of balls of the ball caster are arranged so that the distance between two adjacent balls is smaller than the width of the H beam for the access floor frame so that the H beam for heavy access floor frame is supported in the width direction And can be smoothly transported.

Two H beams for the access floor frame conveyed by the roller conveyor 105 as the first conveying means are installed at predetermined intervals in the width direction on the beam 101 and then conveyed between the beams 110 by the second conveying The H-beam conveyed by the ball caster is fixed to the posters on the horizontal posts, and a ball caster is provided therebetween to supply the H beams. As a result, The operator does not move and the H beam for the access floor frame can be moved and installed very easily.

Thus, the access floor panel is installed on the frame formed by fixing the H beam for the access floor frame at regular intervals on the beams.

The method of supplying the clean room access floor frame material of the present invention will be described with reference to FIGS. 3 and 6. FIG.

First, when the roller conveyor 105 is viewed from the material inlet, the H beam 110 for the access floor frame is installed on the cross beams along the longitudinal direction of the clean room of the unit area and installed on the cross beams 101 And conveyed through a roller conveyor 105 disposed along the longitudinal direction of the clean room. Here, the length direction of the clean room is defined as the length direction of the clean room from the loading port in the clean room in the unit area where the access floor frame is to be installed.

The roller conveyor is capable of moving the heavy H beam quickly and safely since the H beam disposed thereon due to the rolling action of the roller does not move in the lateral direction and makes a linear movement of the H beam in the longitudinal direction even with a small force .

The H beams 110 for the access floor frame conveyed in the longitudinal direction of the clean room through the roller conveyor 105 are arranged at predetermined intervals along the width direction of the clean room between two adjacent beams 101, 101 by fixing the both ends of the H beam 110 to the post 118 fixed to the upper surface. The post is a structure in which a plurality of stud bolts are coupled to a base plate.

When the H beams 110 for the two access floor frames are fixed to the posts in this manner, a ball caster 115 is provided as a second conveying means therebetween. At this time, two support portions formed on the bottom of the ball caster And the H beams are supplied through the ball casters installed in such a manner.

The H beam 110 for the access floor frame is moved in the longitudinal direction of the clean room along the longitudinal direction of the clean room in the roller conveyor 105 and then the two adjacent adjacent H beams 110, Two H beams are installed in such a manner that the beams are moved on the beams 101 and the both ends are fixed to the poster. In this way, the ball casters 115 are disposed between the H beams 110 for the two access floor frames, and then the H beams are supplied through the ball casters, A ball caster 115 is installed between the H beams to supply an H beam to install the access floor frame.

As such, the H beams 110 are installed on both sides of the roller conveyor 105, which is the first conveying means, away from the roller conveyor, and supply the H beams while installing the ball casters between the H beams so installed The H beams 110 for the access floor frame installed between the beams 101 are fixed and the H beams 110 for the access floor frame are fixed to the two beams 101 through the ball casters 115 disposed thereon. And then fixed to the post 118 fixed on the upper surface of the beam 101 to form a cleanroom access floor frame.

The cleanroom access floor frame thus formed, for example, is provided with aluminum or steel panels to form a cleanroom access floor.

At this time, the working boards are knitted into two sets, and the H beams for the access floor frame, which are supplied through the Ruler conveyor installed at the center of the clean room, can be installed and fixed in the lateral beam 101 simultaneously in both directions. The air can be shortened.

For example, in the case where the width of the clean room is not large or the equipment inlet for supplying a material such as the H beam for the access floor frame supplied through the elevator to the clean room is formed on one side of the clean room, A roller conveyor 105 is installed on one side of the clean room and the H beams for the access floor frame are installed and fixed between the transverse beams in the width direction of the other side to provide a cleanroom access floor frame.

 In the present invention, the H beams for the access floor frame are arranged and transferred in the longitudinal direction of the clean room through the roller conveyor 105 as the first conveying means, so that the H beams for the access floor frame can be supplied quickly and safely in the longitudinal direction of the clean room .

As the second conveying means, the ball casters are arranged between the H beams for the access floor frame fixed on the upper surface of the cross bar between the cross beams 101 installed in the width direction in the clean room, and are continuously extended toward the end in the width direction, By supplying the H beams for the frame, it is possible to quickly and safely install the cleanroom access floor frame.

Since the ball casters are disposed in such a state that the support portions provided on the bottom surface are in contact with both sides of the upper side of the cross beams, after the ball casters are installed, the H beams are transported as the materials for the access floor frame and fixed on the cross beams, So that it can be easily removed.

As described above, the installation and removal of the ball casters are very simple, so that the installation of the access floor frame of the clean room can be performed very quickly, and the air can be shortened. In comparison with the conventional method of supplying the H beam using the forklift, It is not necessary to remove and re-install the mesh installed to prevent worker's safety accident. H-beam for access floor frame on the beams using roller conveyor and ball caster without special device or equipment Can be supplied quickly and safely, and also it is possible to prevent the occurrence of a safety accident of an operator.

The present invention can be used to quickly and safely supply H beams to a cleanroom access floor frame for installing aluminum or steel panels as cleanroom access floors in the lattice beams of the clean room.

100: Column 101: Rear beam
105: Roller conveyor 110: H beam
115: Ball caster 116: Case
117: Support

Claims (8)

An H beam supplying method for installing a clean room access floor frame for supplying an H beam as a material for installing an access floor frame for installing an aluminum or steel panel for an access floor of a clean room on a crossbar of a clean room lattice beam,
The clean room access floor frame is set in the longitudinal direction and the width direction of the clean room,
The first transfer device is installed in the longitudinal direction of the clean room from the material loading port on the horizontal beams spaced at a predetermined distance in the longitudinal direction of the clean room to transfer the H beam for the access floor frame in the longitudinal direction of the clean room,
The H beams for the access floor frame transported in the longitudinal direction of the clean room through the first transfer device are transferred onto the transverse beams extending in the width direction of the clean room as they are,
The second conveying device is disposed between the H beams for the access floor frame installed on the lateral beams to convey the H beam for the access floor frame in the width direction of the clean room and supply the clean room access floor material Way. The method as claimed in claim 1, wherein the first transfer device is a roller conveyor, and the H beam for the cleanroom access floor frame is longitudinally arranged and transferred along the longitudinal direction of the clean room. The apparatus according to claim 1 or 2, wherein the second transfer device is a ball caster disposed between the H beams for the access floor frame fixed adjacent to and above the beams, the H beam for the access floor frame And the H-beam for the access floor frame is supplied in the width direction while extending the ball casters by arranging the ball casters in such a manner that the ball casters are disposed between the adjacent H- Supply method. The ball caster of claim 3, wherein the ball caster is provided with a support portion spaced apart at a predetermined distance from the bottom of the ball caster so that the ball caster does not move by disposing the support portions in contact with the top edge of the H beams for the adjacent access floor frame A method of supplying a material for a cleanroom access floor frame. Clean Room Access Floor A clean room access door for supplying materials such as H beams between adjacent beams of a grid beam in a clean room installed in a lattice form with a longitudinal beam in the longitudinal direction of the clean room and a transverse beam in the width direction from the material loading port. A material supply apparatus for a floor frame installation,
A first conveying means installed above the beams in the longitudinal direction of the clean room so as to supply the H beams from the material receiving opening to the clean room in the longitudinal direction of the clean room,
The H beams transferred to the first transfer means are supplied to the adjacent beams 101 provided in the width direction of the clean room so that both ends of the H beam for the access floor frame are disposed so as to be supplied in the width direction of the clean room, And a second conveying means disposed between the H beams for the clean room access floor frame of the clean room access floor frame. 6. The apparatus according to claim 5, wherein the first conveying means is a roller conveyor (105) for conveying the H beam in the longitudinal direction thereof, and the second conveying means is provided on the cross bar adjacent to the conveying means in order to convey the H beam in its width direction And a ball caster (115) arranged in at least two rows. The ball caster according to claim 6, wherein the ball caster (115) is provided with supporting portions (117) on the bottom surface of the case (116), and the supporting portions are disposed inside the upper ends of the H beams (110) And the ball casters are held between adjacent H beams so that the ball casters are held between adjacent H beams. The ball caster according to claim 6 or 7, wherein the ball caster (115) is freely rotatably mounted with a plurality of balls (119) in a case (116) so as to securely transfer the H beams for the access floor frame in the width direction, Wherein the gap between the adjacent two balls is smaller than the width of the H beam for the access floor frame.

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