KR101070585B1 - Fixing device for grating panel - Google Patents

Abstract

The present invention relates to a grating panel fixture, by using the structure of the grating panel to provide a sufficient fixing force with only one fixture to reduce the material cost and construction cost, shorten the construction period, can improve the construction convenience It is an object to provide a grating panel fixture.

The grating panel fixture of the present invention for achieving the above object, in the grating panel fixture for fixing the grating panel with a plurality of connections to the load supporting material to form a plurality of communication holes drainable or ventilated, the grating panel A fixed plate disposed on an upper portion of the connection portion of the; A binding bolt coupled through the fixing plate such that an end portion thereof is directed toward the lower side of the grating panel; And a first support part coupled to a lower portion of the binding bolt and pressed in a direction toward the fixing plate, and having a first support part supporting one side of the bottom of the connecting part upward, and a second support part supporting the bottom of the load supporting material upward on the other side. It characterized in that it comprises a clamp provided.

Grating panel, connection, fixing plate, fastening bolt, clamp

Description

Grating Panel Fixture {FIXING DEVICE FOR GRATING PANEL}

The present invention relates to a grating panel fixture, and more particularly, to a grating panel fixture that can provide a firm holding force in a smaller amount to reduce the time and cost required for installation of the grating panel.

In general, the grating panel is provided with a plurality of communication ports to allow air or water to pass therethrough, and covers such as vents, drains, and manholes, slabs or walls of civil engineering, building structures, and plant facilities, and construction materials for stairs. It is used for various purposes.

Fig. 1 shows a grating panel in which a metal sheet is drilled and bent, and a conventional fixture for fixing the grating panel.

In the illustrated grating panel 10, a plurality of communication ports 12 are formed at predetermined intervals along a longitudinal direction in a rectangular main body portion 11 formed in one direction, and along both end portions in the width direction of the main body portion 11. The reinforcing portion 13 in the form of a channel has a bent structure. The grating panel 10 is fixed by the fixture 20 in a state where it is placed on a load supporting member 30 such as an H beam.

Conventional fixture 20 is bolt 21 is coupled to the bottom surface of the both side reinforcement portion 13 of the grating panel 10 and the clamp 23 is coupled to the bolt 21 is supported upward by the nut 22 Is made of. The clamp 23 is provided with pressing fixing parts 24 and 25 which are bent upward on both sides, and each pressing fixing part 24 and 25 is provided with a bottom surface of the reinforcing part 13 of the grating panel 10 and a load supporting material ( The grating panel 10 is fixed in a state of being in close contact with the bottom surface of the flange 31 of 30.

However, as described above, since the conventional fastener 20 has a structure that is coupled to the bottom surface of the reinforcing portion 13 of the grating panel 10, in order to stably fix the grating panel 10, the grating as shown is grating. Fixtures 20 had to be provided at both reinforcement portions 13 of panel 10.

Accordingly, conventionally, a large number of fasteners 20 are required for constructing a structure using a grating panel, and a lot of manpower and time are required to install the fasteners 20, thereby preventing construction costs and reducing air.

In addition, since the bolt hole 14 must be formed in the reinforcing part 13 of the grating panel 10 to fasten the fastener 20, the manufacturing cost of the grating panel 10 is increased, and the bolt hole 14 There is also a problem that the construction position is inconvenient or difficult due to the limited position of the fastener 20 according to the position of the).

The present invention is to solve the problems as described above, by using the structure of the grating panel itself without having to form a separate coupling hole to provide a sufficient fixing force with only one fastener to reduce the material cost and construction cost In addition, it is an object of the present invention to provide a grating panel fixture that can shorten the construction period and improve construction convenience.

The present invention for achieving the above object, in the grating panel fixture for fixing the grating panel with a plurality of connections to the load supporting material to form a plurality of communication holes that can be drained or ventilated, the upper portion of the connection portion of the grating panel A fixed plate disposed on the; A binding bolt coupled through the fixing plate such that an end portion thereof is directed toward the lower side of the grating panel; And a first support part coupled to a lower portion of the binding bolt and pressed in a direction toward the fixing plate, and having a first support part supporting one side of the bottom of the connecting part upward, and a second support part supporting the bottom of the load supporting material upward on the other side. It provides a grating panel fixture, characterized in that it comprises a clamp provided.

In the grating panel fixture of the present invention described above, the fixing plate preferably includes a plurality of holder portions bent or bent downward to surround each connection portion of the grating panel.

In addition, it is preferable that a concave receiving portion is provided for preventing protrusion of the binding bolt around the coupling hole of the fixing plate, and the lower portion of the accommodating portion is protruded downward and is inserted into the communication port between the connecting portions.

It is more preferable that a plurality of projections are provided on the upper surface of the connection portion of the grating panel at predetermined intervals to prevent slipping of the passenger, and the fixing plate has a plurality of fixing holes into which the projections of the connection portion are inserted.

In addition, the connection portion of the grating panel may be provided with a side wall portion bent downward on both sides in the width direction, the first support portion of the clamp is inserted into the space between the side wall portion of the connection portion.

The second support part of the clamp may be formed to protrude so as to surround a portion of the load supporting material to have a structure having an auxiliary coupling protrusion for supporting a surface opposite to the surface supported by the second support of the load supporting material.

The second support portion of the clamp may be coupled to the position adjustment via a bolt is provided with an auxiliary coupling piece for supporting a surface opposite to the surface supported by the second support portion of the load supporting material.

The connection portion of the grating panel is provided with a side wall portion bent downward at least on one side in the width direction, the first support portion of the clamp is bent to face the side portion of the side wall portion of the connection portion, the side wall portion is inserted and coupled to the side portion It may be made of a structure in which a defect groove is formed.

In addition, the present invention in the grating panel fixture for fixing the grating panel having a plurality of connections to the load supporting material to be spaced apart from each other so that a plurality of drainage or venting communication holes are formed, the two sides of the grating panel A fixed plate disposed on the upper portion; A binding bolt that penetrates through the fixing plate and is coupled downward through a space between the two grating panels; And coupled to the lower portion of the binding bolt is pressed in the direction toward the fixing plate, one side is provided with a coupling hole is coupled to the binding bolt is coupled between the two grating panel is provided, the other side the bottom surface of the load supporting material It provides a grating panel fixture, characterized in that it comprises a clamp provided with a support for supporting upward.

In this case, a concave receiving portion is formed around the coupling hole of the fixing plate to prevent protrusion of the binding bolt, and the receiving portion is protruded downward and inserted between both grating panels, and is bent downward on both sides of the fixing plate. It is preferable that a fixing protrusion is inserted into the communication port of the grating panel.

In addition, the present invention is a grating panel fixture for connecting and fixing the grating panel having a plurality of connection parts to be spaced apart from each other so as to form a plurality of drainage or venting communication holes, the upper part of the two grating panel spaced apart from each other A fixed plate disposed on the; A binding bolt that penetrates through the fixing plate and is coupled downward through a space between the two grating panels; And a support portion coupled to a lower portion of the binding bolt and pressed in a direction toward the fixing plate and supporting upwardly bent at both sides in a width direction, and having a pair of support grooves into which reinforcement portions of both grating panels are inserted at an upper end of the support portion. A grating panel fixture is provided that includes a clamp.

According to the present invention as described above has the following advantages.

(1) By fixing the grating panel securely by one fastener installed at the center of the connection part, the number of fasteners required for the construction of buildings and facilities using the grating panel is reduced, thereby reducing the material cost, The manpower and time required for the installation are also reduced, which reduces the construction cost and shortens the air. In addition, by the fixing bolt to press the grating panel by the binding bolt to provide a fixing force, it is not necessary to form a bolt hole for the bolt coupling in the grating panel can reduce the manufacturing cost of the grating panel, the coupling position of the fixture There is no limitation in that the construction convenience of the grating panel is further improved.

(2) By allowing the connecting portion of the grating panel to be inserted between both holder portions of the fixing plate and the center receiving portion, and by allowing the projection of the upper surface of the connecting portion to be inserted into the fixing hole of the fixing plate, the positional change of the fixing plate is prevented and the installation work is performed. It is effective to further improve the ease and firmness of the fixed state.

(3) The first support part of the clamp is inserted and fixed between the side wall parts provided in the connection part of the grating panel, so that the engagement position is stably maintained, thereby making the fixing state more firm.

(4) The auxiliary support protrusion is provided in the second support portion of the clamp so that the load supporting material is inserted between the second support portion and the auxiliary coupling protrusion, so that the clamping position can be achieved even when the binding bolt is not fastened in the process of installing the fixture. It is maintained that construction convenience is further improved, and the fixed state after installation is also more effective.

(5) By providing a secondary coupling piece that can be adjusted by the bolt on the second support portion of the clamp to insert the load supporting material between the second support portion and the auxiliary coupling piece, the convenience during installation and the fixing force after the installation is improved, various There is an effect of improving the versatility for the load-bearing material of the standard.

(6) By bending the first support portion of the clamp and forming a coupling groove in the side surface of the first support portion so that the side wall portion of the connection portion is inserted into the coupling groove, the coupling position of the clamp and the grating panel is maintained through the coupling groove. Therefore, the installation work of the fixture becomes more convenient, and there is an effect that the fixing state after installation becomes more robust.

The objects, features and advantages of the present invention described above will become more apparent from the following detailed description. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a bottom perspective view showing a first embodiment of the grating panel fastener according to the present invention in an installed state, Figure 3 is a top perspective view showing the fastener of the first embodiment in an exploded state, Figure 4 is the first It is sectional drawing which shows the fastener of an Example in the installation state.

In the illustrated first embodiment, the grating panel 110 is manufactured by cutting and bending a single metal sheet.

As shown in the drawing, the grating panel 110 to which the fastener of the present invention is applied has a rectangular main body portion 116 having a communication hole 112 formed at predetermined intervals and a channel shape along both widthwise sides of the main body portion 116. The bent reinforcement 113 is provided.

The main body 116 cuts the plate at predetermined intervals and bends the cut end downward to form a plurality of connecting portions 111 having a cross-sectional shape of approximately U shape, and the communication between the connecting portions 111. The sphere 112 is formed.

The connecting portion 111 has a space 115 that is downwardly opened between the two side wall portions 114 that are bent downward, and a plurality of protrusions 118 for preventing slipping on the upper surface portion where the sole bottom surface of the rider contacts. Are formed at predetermined intervals. The protrusion 118 may be provided in various forms, such as a circular, polygonal, linear, as well as the diagonal shown.

The fastener 100 of the present invention is to fix the grating panel 110 in a state where it is mounted on an upper portion of the load supporting member 30, and is disposed on two adjacent connecting portions 111 of the grating panel 110. A fixing plate 120, a binding bolt 140 coupled downward through the central portion of the fixing plate 120, and coupled to a lower portion of the binding bolt 140, both sides of the grating panel 110 and the load supporting material, respectively. It consists of a clamp (130) in close contact with the 30.

The load supporting member 30 may be formed of a conventional load-bearing member having various cross-sectional shapes such as a beam beam, a beam beam, a beam beam, a beam beam, a beam beam, a beam bar, a round bar, and the like.

The fixing plate 120 constituting the fastener 100 is provided with holder parts 121 and 122 that are bent or bent downward to surround the connection part 111 at both ends, and the binding bolt 140 is coupled to a central portion thereof. Coupling hole 124 is formed.

Around the coupling hole 124 of the fixing plate 120 is preferably provided with a receiving portion 123, the upper concave so that the binding bolt 140 does not protrude to the outside. More preferably, a lower portion of the accommodating part 123 protrudes downward to a width equal to or similar to the width of the communication port 112 to connect the connecting part 111 between the holder parts 121 and 122 and the accommodating part 123. ) Is configured to be inserted.

In addition, the fixing plate 120 is formed with a plurality of fixing holes 125 at predetermined intervals. The fixing hole 125 is provided corresponding to the shape, size, and spacing of the protrusion 118 so that the protrusion 118 provided at the connection portion 111 of the grating panel 110 can be inserted therein.

A spring washer 145 is provided between the bolt head of the binding bolt 140 and the fixing plate 120 to prevent loosening. In some cases, the binding bolt 140 may be provided as a tanned bolt to support the fixing plate 120 by fastening a separate nut.

The clamp 130 as a whole has a structure bent in a substantially "b" shape, and may be provided with various types of members having various cross-sectional shapes as well as a bar shape having a quadrilateral cross-sectional shape as shown.

One side of the clamp 130 is provided with a first support portion 131 is inserted into the space 115 formed between the side wall portion 114 of the connecting portion 111 to support the bottom surface of the connecting portion 111, the other The side is provided with a second support part 135 for supporting one side of the load support member 30, for example, the bottom of the flange 31 upward.

In addition, a fastening hole 139 to which the binding bolt 140 is coupled is formed between the bent portion and the second support portion 135 of the clamp 130. The fastening hole 139 may be provided such that a female thread corresponding to the male screw of the binding bolt 140 is formed so that a separate nut is not required, and is formed as a simple hole without a screw and is bound by a separate nut. It may be provided to fix the bolt 140.

Referring to the installation process of the grating panel fixture of the present invention configured as described above are as follows.

In a state where the grating panel 110 is mounted on the load supporting member 30 and mounted, the fixing plate 120 is disposed at an appropriate coupling position on the grating panel 110.

At this time, by allowing the connecting portion 111 of the grating panel 110 to be inserted between the holder portions 121 and 122 of the fixing plate 120 and the center receiving portion 123, the positional variation of the fixing plate 120 is prevented. Installation work becomes easy, and the fixed state after installation becomes more robust.

In addition, by allowing the protrusion 118 of the upper surface of the connecting portion 111 to be inserted into the fixing hole 125 of the fixing plate 120, the positional change of the fixing plate 120 is more effectively prevented, thereby facilitating the installation work and fixing state. Its robustness is further improved.

After the fixing plate 120 is disposed as described above, the clamp 130 is inserted into the space 115 under the connection portion 111 by the first support portion 131 and the second support portion 135 is the load supporting material. Placed so as to be located on the bottom surface of the flange 31 of the 30, the binding bolt 140 is coupled to the fastening hole 139 of the clamp 130 by passing through the coupling hole 124 of the fixing plate 120 When tightened, the first support part 131 and the second support part 135 of the clamp 130 are firmly pressed against the bottom face of the connection part 111 and the bottom face of the flange 31, respectively, so that the grating panel with respect to the load supporting member 30 is provided. The fixing of 110 is completed.

As described above, the grating panel fastener of the present invention is secured to the grating panel 110 by one fastener 100 installed at the center of the connecting portion 111, and thus, the grating panel fastener is required for construction of the grating panel in comparison with a conventional fastener. The amount of fixtures 100 that is to be reduced in half. Accordingly, the material cost is reduced, the manpower and time required for the installation of the fixture 100 is also reduced, there is an advantage that can reduce the construction cost and shorten the air.

In addition, since the binding bolt 140 is directly connected between the fixing plate 120 and the clamp 130 to fix the grating panel 110, a bolt hole for bolt coupling to the grating panel 110 as in the prior art. There is no need to form. Accordingly, not only can the manufacturing cost of the grating panel be reduced, there is no limitation in the installation position of the fixture 100, there is an advantage that the grating panel can be constructed more conveniently and easily.

Meanwhile, in the above-described embodiment, the main body 116 cuts the plate at a predetermined interval and downwardly bends the cut portion to form a plurality of connection portions 111, through which the communication port is connected between the connection portions 111. Although 112 is illustrated to be formed, the structure of the grating panel 110 to which the present invention is applied is not limited to this, and a conventional connection part having various types of connections is formed to form a communication port for drainage and aeration. The present invention can be applied to a grating panel having a connection part of various structures, such as a grating panel, for example, a grating panel in which a separate bar-shaped member is connected to an interior of an empty rectangular frame to form a connection part.

In addition, in the above-described embodiment, the case where the grating panel 110 is fixed to the load supporting member 30 installed horizontally for the construction of the slab is illustrated, but is not limited thereto. In order to fix the grating panel to the load supporting member installed at various angles in order to apply the present invention.

5 shows a second embodiment of the grating panel fixture according to the invention.

As shown in the second embodiment, a fixing plate 120 is disposed on an upper surface of the connecting portion 111 of the grating panel 110, and fastened by the fixing plate 120 and the binding bolt 140, similarly to the first embodiment. The clamp 130 is made of a structure for fixing the grating panel 110 by supporting the bottom of the connecting portion 111 and the flange 31 upward, the auxiliary coupling protrusion to the second support portion 135 of the clamp 130 138 is provided.

The auxiliary coupling protrusion 138 is provided in the form bent in the form of the letter L so that the end portion of the flange 31 of the load supporting member 30 is inserted inward.

By providing the auxiliary coupling protrusion 138 as described above, if the end of the flange 31 is inserted between the second support portion 135 and the auxiliary coupling protrusion 138 when installing the fixture 100, the clamp 130 Since the coupling position is maintained even before the fastening bolt 140 is fastened, there is an advantage in that construction convenience is further improved. In addition, there is an advantage that the fixed state after installation of the fixture is more robust.

Figure 6 shows a third embodiment of the grating panel fixture according to the invention.

The third embodiment also includes a fixing plate 120, a binding bolt 140, and a clamp 130 for fixing the grating panel 110 similarly to the first embodiment described above, but the second of the clamp 130 The auxiliary coupling piece 137 is coupled to the support 135 via a bolt 136.

The auxiliary coupling piece 137 may be formed in a plate shape, but it is preferable to be made of a L-shaped block structure as shown to maintain a more stable coupling state. This auxiliary coupling piece 137 is similar to the auxiliary coupling protrusion 138 of the second embodiment described above so that the flange 31 is inserted between the second support portion 135 to provide convenience during installation and fixing force after installation. It functions to improve, and the distance to the second support portion 135 can be adjusted using the bolt 136 in accordance with the thickness of the flange 31, thereby improving the versatility for the load supporting member 30 of various specifications, There is an advantage that more secure fixing is possible without play.

FIG. 7 shows a fourth embodiment of the grating panel fixture according to the present invention, wherein the clamp 130 is configured to maintain a more firmly engaged position with respect to the grating panel 110. That is, the clamp 130 of the fourth embodiment has a first support part 131 and a second support part 135 on both sides of the bent portion, and the first support part 131 is formed to be bent in the horizontal direction. In addition, a pair of coupling grooves 141 into which both sidewall portions 114 of the connection portion 111 are inserted and coupled to the side surface portion of the first support portion 131 is formed.

In the configuration of the fourth embodiment as described above, since the coupling position between the first support part 131 and the connection part 111 is maintained through the coupling groove 141, the installation work of the fixture 100 is convenient, and the fixed state after installation It also has the advantage of being solid.

8 and 9 show a fifth embodiment of the grating panel fixture according to the invention. The fastener of the fifth embodiment is composed of the fixing plate 220, the binding bolt 227 and the clamp 200, it is installed between the two grating panels (110, 110 ') to connect both grating panels (110, 110') It is configured to be connected to each other and fixed to the load bearing member 30 at the same time.

The fixing plate 220 is installed so that both sides of the bottom portion are in contact with the upper surfaces of both grating panels 110 and 110 ', respectively, and a coupling hole 224 is formed at the center thereof, and the binding around the coupling hole 224 is performed. A concave accommodating portion 223 in which the bolt head of the bolt 227 is accommodated is formed. The accommodating part 223 also has a function of maintaining a gap between the bottom grating panels 110 and 110 ′ by protruding downwardly.

Both end portions of the fixing plate 220 is provided with a fixing protrusion 225 bent downward. The fixing protrusion 225 is inserted into the communication port 112 of the both side grating panels 110 and 110 'to maintain the coupling position of both grating panels 110 and 110'.

The clamp 200 is provided with a coupling part 203 having a fastening hole 202 to which the binding bolt 227 is coupled to the upper part to protrude in the horizontal direction, and the bottom surface of the load supporting member 30 at the lower part thereof. The support part 204 which supports upwardly protrudes in the same direction as the said coupling part 203, and is provided.

In the fixture of the fifth embodiment, the fixing plate 220 is disposed to cover the upper sides of both grating panels 110 and 110 ', and the coupling portion 203 of the clamp 200 is disposed between the two grating panels 110 and 110'. ) And inserts the binding bolt 227 into the coupling hole 202 of the clamp 200 through the coupling hole 224 of the fixing plate 220. When the binding bolt 227 is tightened, the fixing plate 220 presses and supports both grating panels 110 and 110 'downward, and the support part 204 of the clamp 200 presses and supports the flange 31 upward. Both grating panels 110 and 110 ′ are firmly fixed.

As described above, the fastener of the fifth embodiment is configured to simultaneously fix the grating panels 110 and 110 'on both sides by using one fastener, so that the number of installation of the fasteners can be reduced, and both grating panels 110 and 110 ') can be accurately maintained, and the clamp 200 is inserted between the grating panels 110 and 110' to perform installation more easily and conveniently.

10 and 11 show a sixth embodiment of the grating panel fixture according to the invention. The fixture of the sixth embodiment is provided with the same fixing plate 220 and the binding bolt 227 as in the fifth embodiment described above, so that the clamp 210 maintains the two grating panels 110 and 110 'at regular intervals. It is made of a structure that combines.

As shown, the clamp 210 of the sixth embodiment is provided with support portions 211 bent upward on both sides in the width direction, and reinforcement portions of both side grating panels 110 and 110 ′ are provided on the upper ends of the support portions 211. A pair of support grooves 212 into which 113 is inserted is formed. In addition, a fastening hole 213 to which the binding bolt 227 is coupled is formed at the central portion of the clamp 210.

In the fixture of the sixth embodiment, the fixing plate 220 is disposed on both of the grating panels 110 and 110 ′, and the clamp 210 is disposed below the reinforcing portion 113 of both grating panels 110 and 110 ′. ), And the binding bolt 227 is coupled between the fixing plate 220 and the clamp 210 to tighten each other, and both grating panels 110 and 110 'are firmly coupled to each other while maintaining an accurate gap. The fastener of this sixth embodiment can be usefully used to fasten the grating panels 110, 110 'located at the portion where the load supporting member 30 is not installed.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

1 is a bottom perspective view of a conventional grating panel fixture.

Figure 2 is a bottom perspective view showing a first embodiment of the grating panel fixture according to the present invention in an installed state.

3 is an upper perspective view showing the fastener of the first embodiment in an exploded state.

Fig. 4 is a sectional view showing the fixture of the first embodiment in an installed state.

5 is a cross-sectional view showing a second embodiment of the grating panel fixture according to the present invention.

6 is a cross-sectional view showing a third embodiment of the grating panel fixture according to the present invention.

7 is a cross-sectional view showing a fourth embodiment of the grating panel fixture according to the present invention.

FIG. 8 is a bottom perspective view showing a fifth embodiment of the grating panel fixture according to the present invention in an exploded state. FIG.

9 is a bottom perspective view showing the fastener of the fifth embodiment in an exploded state.

10 is a bottom perspective view showing a sixth embodiment of the grating panel fixture according to the present invention in an exploded state.

Fig. 11 is a bottom perspective view showing the fastener of the fifth embodiment in an exploded state.

Description of the Related Art

100: fixture 110: grating panel

111: connection 112: communication port

113: reinforcement portion 116: main body portion

118: protrusion 120: fixed plate

121, 122: holder portion 123: receiving portion

124: coupling hole 125: fixing hole

130: clamp 131: first support

135: second support 137: auxiliary coupling piece

138: auxiliary coupling protrusion 139: fastening hole

140: binding bolt 141: coupling groove

Claims (11)

A grating panel fixture for fixing a grating panel having a plurality of connections to a load bearing member to form a plurality of drainage or venting communication holes, A fixing plate disposed above the connection part of the grating panel; A binding bolt coupled through the fixing plate such that an end portion thereof is directed toward the lower side of the grating panel; And It is coupled to the lower portion of the binding bolt is pressed in the direction toward the fixing plate, one side is provided with a first support for supporting the bottom of the connecting portion, the other side is provided with a second support for supporting the bottom of the load supporting material upward Grating panel fixture comprising a clamp. The method of claim 1, The fixing plate grating panel fixture, characterized in that it comprises a plurality of holders bent downward or bent to surround each connection of the grating panel. The method of claim 1, Grating panel fixture, characterized in that the concave receiving portion is provided for preventing the protrusion of the binding bolt around the coupling hole of the fixing plate, the lower portion of the receiving portion is projected downward and inserted into the communication port between each connection. The method of claim 1, Grating panel fixture, characterized in that the upper surface of the connection portion of the grating panel is provided with a plurality of projections for preventing slipping of the passenger at predetermined intervals, the fixing plate is formed with a plurality of fixing holes into which the projection of the connection portion is inserted. The method according to any one of claims 1 to 4, The connecting portion of the grating panel is provided with side walls bent downward on both sides in the width direction, the grating panel fixture, characterized in that the first support portion of the clamp is inserted into the space between the side wall portion of the connecting portion. The method according to any one of claims 1 to 4, A grating panel fastener, characterized in that the second support portion is formed to protrude so as to surround a portion of the load supporting member to support a surface opposite to the surface supported by the second support portion of the load supporting member . The method according to any one of claims 1 to 4, A grating panel fixture, characterized in that the auxiliary coupling piece for supporting the surface opposite to the surface supported by the second support portion of the load supporting material is coupled to the second support portion of the clamp via a bolt . The method according to any one of claims 1 to 4, The connection portion of the grating panel is provided with a side wall portion bent downward at least on one side in the width direction, the first support portion of the clamp is bent to face the side portion of the side wall portion of the connection portion, the side wall portion is inserted and coupled to the side portion Grating panel fixture, characterized in that the groove formed. A grating panel fixture for fixing a grating panel having a plurality of connections to a load bearing member to be spaced apart from each other by a predetermined interval so that a plurality of drainage or venting communication holes are formed. Fixing plate disposed on the upper side of the two grating panel spaced apart from each other; A binding bolt that penetrates through the fixing plate and is coupled downward through a space between the two grating panels; And It is coupled to the lower portion of the binding bolt is pressed in the direction toward the fixing plate, one side is provided with a fastening hole is coupled to the binding bolt and is provided with a coupling portion inserted between the grating panel on both sides, the other side upwards the bottom surface of the load supporting material Grating panel fixture, characterized in that it comprises a clamp having a support for supporting. 10. The method of claim 9, A concave receiving portion is formed around the coupling hole of the fixing plate to prevent protrusion of the binding bolt, and the receiving portion is protruded downward and inserted between the two grating panels, and is bent downward on both sides of the fixing plate to form a concave receiving portion. Grating panel fixture, characterized in that provided with a fixing projection inserted into the communication opening. In the grating panel fixture for connecting and fixing the grating panel with a plurality of connections to be spaced apart from each other so as to form a plurality of drainage or venting communication holes, Fixing plate disposed on the upper side of the two grating panel spaced apart from each other; A binding bolt that penetrates through the fixing plate and is coupled downward through a space between the two grating panels; And The clamp is coupled to the lower portion of the binding bolt is pressed in the direction toward the fixing plate, the support is bent upward on both sides in the width direction, a pair of support grooves are formed in the upper end of the support portion is inserted into the reinforcement of the grating panel on both sides Grating panel fixture comprising a.

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