JP2020084594A - Connector for scaffold board and connection structure of scaffold board - Google Patents

Abstract

To provide a connector for scaffold boards capable of easily connecting or separating two scaffold boards as well as connecting two scaffolds generally flat.SOLUTION: A connector 1 for scaffold boards comprises: a connecting member 10 assembled in lower surface sides of both of scaffold boards 50, 50 in a slidable condition in a connection direction of the two scaffold boards 50, 50; two fixtures 20, 20 respectively arranged on upper surfaces of both of the scaffold boards 50, 50; and fixing screws 30 inserting in through-holes of the fixtures 20. Two screw holes 15, 15 are bored in the upper surfaces of the connecting member 10 respectively to which the fixing screws 30 are screwed. An interval between both of the screw holes 15, 15 is arranged such that when one screw hole 15 is placed right under an opening 54 of one scaffold board 50, the other screw hole 15 is placed right under an opening 54 of the other scaffold board 50.SELECTED DRAWING: Figure 3

Description

The present invention relates to a scaffold plate connector and a scaffold plate connection structure.

At the construction site of the shield tunnel, a work scaffold is formed by connecting a plurality of scaffold plates. When two scaffolding boards are connected at the construction site of a shield tunnel, they are installed above sleepers and brackets, so it is necessary to be able to work from above the scaffolding boards. Further, it is necessary to securely fix the two scaffolding plates at the connecting portion. Furthermore, it is necessary to be able to remove only one intermediate piece from a plurality of continuous scaffolding boards according to surveying and work content.

Then, as the connecting structure of the two scaffolding plates, by inserting the ends of both scaffolding plates into a square tubular connecting tool, and inserting the pins inserted from above in the mesh of the connecting tool into the holes of the scaffolding board, There is one in which a connecting tool is fixed to both scaffold plates (for example, refer to Patent Document 1).

JP, 2011-169012, A

When the two scaffolding plates are connected, the connecting portion is preferably flat, but in the above-described conventional connecting structure, there is a step between the scaffolding plate and the connecting tool over the entire width of the connecting portion. There is a problem of being formed.

The present invention solves the above-mentioned problems, and it is possible to easily and surely connect two scaffolding plates from above, and it is possible to remove only one intermediate piece from a plurality of continuous scaffolding plates. An object of the present invention is to provide a scaffold plate connector and a scaffold plate connection structure capable of connecting the scaffold plates in a substantially flat manner.

In order to solve the above-mentioned subject, the first invention is a scaffolding board connector for connecting two scaffolding boards. The scaffolding plate connector is a slide member that is slidable in the connecting direction of the scaffolding plates, and a connecting member that is assembled to the undersides of the scaffolding plates, and two attachments that are respectively disposed on the upper surfaces of the scaffolding plates. And a mounting screw inserted into the through hole of the mounting tool. Two screw holes into which the mounting screws are screwed are formed on the upper surface of the connecting member. When one of the screw holes is arranged directly below the opening of one of the scaffolding plates, the other screw hole is arranged immediately below the opening of the other scaffolding plate, such that the screw holes The interval is set.

In order to solve the above problems, a second aspect of the present invention is a scaffolding board connecting structure that connects two scaffolding boards using a scaffolding board connecting tool. The scaffolding plate connector is a slidable state in the connecting direction of the scaffolding plates, a connecting member assembled on the lower surface side of the scaffolding plate, and two connecting members respectively arranged on the upper surface of the scaffolding plate. It is provided with a mounting tool and a mounting screw inserted into a through hole of the mounting tool. Two screw holes are formed on the upper surface of the connection member. One of the screw holes is arranged directly below the opening of the one scaffold plate, and the other screw hole is arranged directly below of the opening of the other scaffold plate. The mounting screw is screwed into the screw hole of the connecting member through the opening of the scaffold plate.

In order to solve the above problems, a third aspect of the present invention is a scaffolding board connector for connecting two scaffolding boards. The scaffolding board connector is a state in which the scaffolding board is slidable in the connecting direction of the scaffolding boards, a connecting member assembled on the lower surface side of the scaffolding boards, and a fixture arranged on the upper surfaces of the scaffolding boards, And a mounting screw inserted into the through hole of the mounting fixture. A screw hole is formed in the upper surface of the connecting member, and the mounting screw is screwed into the screw hole through the opening of the scaffold plate.

In the first invention, the second invention, and the third invention, the connecting member is arranged over the lower surface side of the two scaffolding plates, and the connecting member is fixed to both scaffolding plates by a fixture and a mounting screw. , Both scaffold boards can be connected easily and surely from above. Further, since the connecting member is arranged so as to straddle the two scaffolding plates, it is possible to prevent the scaffolding plate from moving in the vertical direction at the connecting portion.
Further, in the first invention, the second invention, and the third invention, the scaffold plates are easily separated by removing the fixture and the mounting screw from the connection member and sliding the connection member to one scaffold plate side. it can. As a result, only one intermediate piece can be removed from a plurality of continuous scaffolding boards.

In the first invention, the second invention, and the third invention, since the mounting tool arranged on the upper surface of the scaffold plate can be made small, both scaffold plates can be connected substantially flat. As a result, it is possible to enhance the safety when the worker passes through the work scaffold.

In the scaffolding plate connector described above, when the insertion hole is formed on the upper surface of the connecting member, and the screw hole is arranged immediately below the opening portion of the scaffolding plate, the insertion hole is the scaffolding plate. It is preferable to set the positional relationship between the screw hole and the insertion hole so that the screw hole and the insertion hole are arranged immediately below the opening.

In this configuration, the tip of the rod-shaped tool is inserted into the insertion hole of the connecting member from above the scaffolding plate through the opening, and the connecting member is pushed out by the tool, so that the connecting member can be easily slid with respect to the scaffolding plate. You can

In some cases, the scaffolding plate includes a tread plate having the opening formed therein and left and right side plates hanging from both side edges of the tread plate, and the connecting member is disposed between the both side plates. In this case, it is preferable that the width of the connecting member in the left-right direction is smaller than the distance between the inner surfaces of the both side plates to form a gap between the inner surface of the side plate of the scaffolding plate and the side surface of the connecting member.

With this configuration, since the scaffolding plate can be tilted laterally with respect to the connecting member, the two scaffolding plates can be bent and connected. Thereby, a plurality of scaffolding plates can be curved and connected.

In the present invention, two scaffolding boards can be easily and reliably connected from above, and only one intermediate piece can be removed from a plurality of continuous scaffolding boards. Therefore, the safety of the work scaffold can be improved.

It is the perspective view which showed the connection structure which concerns on embodiment of this invention. It is an exploded perspective view showing a connecting structure concerning an embodiment of the present invention. It is a top view showing the connecting structure concerning the embodiment of the present invention. FIG. 4 is a view showing a connection structure according to the exemplary embodiment of the present invention, which is a cross-sectional view taken along line IV-IV of FIG. 3. It is the figure which showed the connection structure which concerns on embodiment of this invention, and is a VV sectional drawing of FIG. FIG. 6 is a plan view showing a state in which two scaffolding plates are bent in the connection structure according to the embodiment of the present invention. It is a top view showing the modification of the scaffolding board coupling tool concerning the embodiment of the present invention.

Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
In the present embodiment, as shown in FIG. 1, when a plurality of scaffolding boards 50 are connected in the longitudinal direction of the tunnel to form a work scaffolding in a shield tunnel construction site, two scaffolding boards 50, 50 are used. The scaffolding board connector 1 and the connecting structure 2 for connecting will be described.

As shown in FIG. 2, the scaffolding plate 50 is made of steel, and has a flat plate-like stepping plate 51, left and right side plates 52 and 52 hanging vertically from both left and right edges of the stepping plate 51, and both side plates 52 and 52. And left and right lower plates 53, 53 that protrude inward in the left-right direction from the lower edge portion.

A plurality of openings 54 penetrates the tread plate 51. The opening 54 is a long hole extending in the left-right direction. The openings 54 are arranged in the front-rear direction at predetermined intervals. A partition 55 extending in the left-right direction is formed between the adjacent openings 54. That is, the openings 54 and the partitions 55 are alternately arranged in the front-rear direction. The openings 54 are provided for the purpose of reducing the weight of the scaffold plate 50, collecting light, and removing water.
A rear half of the opening 54 is formed at the front edge of the footboard 51, and a front half of the opening 54 is formed at the rear edge of the footboard 51.

A plurality of protrusions 56 are formed on the upper surface of the partition 55. The protruding portion 56 is a circularly protruding portion and serves as a slip stopper when an operator walks on the scaffolding plate 50.

In the present embodiment, as shown in FIG. 3, two scaffold plates 50, 50 are arranged side by side in the front-rear direction. The rear end of the scaffold plate 50 on the front side and the front end of the scaffold plate 50 on the rear side are butted with a slight gap.
By connecting the front half of the opening 54 formed at the rear edge of the front scaffold plate 50 and the rear half of the opening 54 formed at the front edge of the rear scaffold plate 50, Two openings 54 are formed.

As shown in FIG. 2, the scaffold plate connector 1 is a steel member for connecting the two scaffold plates 50, 50. The scaffolding board connector 1 includes a connecting member 10, two attachments 20 and 20, and two attachment screws 30 and 30.

The connection member 10 is formed with a rectangular flat plate portion 11 and left and right side portions 12 and 12 that are continuously provided on the left and right side edge portions of the flat plate portion 11.
As shown in FIG. 5, the front half of the flat plate portion 11 is arranged on the lower surface side of the step board 51 of the scaffold board 50 on the front side. Further, the rear half of the flat plate portion 11 is arranged on the lower surface side of the step board 51 of the scaffold board 50 on the rear side.

As shown in FIG. 4, the side portion 12 of the connecting member 10 is a bent portion that is continuous with the side edge portion of the flat plate portion 11. The side portion 12 includes an inclined portion that is inclined obliquely downward from the side edge portion of the flat plate portion 11, a lower lateral portion that extends outward from the outer edge portion of the inclined portion, and an upward portion from the outer edge portion of the lower lateral portion. A vertical portion extending inward and an upper horizontal portion extending inward from an upper edge portion of the vertical portion are formed. The side portion 12 is bent so that the axial cross section has a C shape. In this way, the bending strength of the connecting member 10 is enhanced by providing the bent left and right side portions 12, 12 on the connecting member 10.

The left side portion 12 is arranged between the footboard 51 of the scaffolding board 50 and the left lower plate 53. The right side part 12 is arranged between the tread plate 51 of the scaffold plate 50 and the right lower plate 53.

The width of the connecting member 10 in the left-right direction is formed to be slightly smaller than the distance between the inner surfaces of the left and right side plates 52, 52 of the scaffolding plate 50. Therefore, a gap is formed between the inner surface of the side plate 52 of the scaffold plate 50 and the side surface of the side portion 12 of the connecting member 10.
Further, the height of the side portion 12 of the connecting member 10 is formed to be slightly smaller than the distance between the lower surface of the step plate 51 and the upper surface of the lower plate 53 of the scaffold plate 50.

As shown in FIG. 2, front and rear two screw holes 15, 15 are opened on the upper surface of the flat plate portion 11. The screw hole 15 penetrates the flat plate portion 11 and has a screw groove formed on the inner peripheral surface thereof. The screw hole 15 may be formed by forming a through hole in the flat plate portion 11 and joining a female screw member such as a nut to the lower surface of the flat plate portion 11 so as to communicate with the through hole.
The screw hole 15 is formed in the central portion of the flat plate portion 11 in the left-right direction. Further, as shown in FIG. 3, when the front screw hole 15 is arranged immediately below the opening 54 of the front scaffolding plate 50, the rear screw hole 15 is located in the opening 54 of the rear scaffolding plate 50. The distance between the screw holes 15 and 15 in the front-rear direction is set so as to be arranged immediately below.

As shown in FIG. 2, a plurality of insertion holes 16 are opened on the upper surface of the flat plate portion 11. The insertion hole 16 penetrates the flat plate portion 11. In the present embodiment, five insertion holes 16 are formed in the flat plate portion 11.
As shown in FIG. 3, the insertion hole 16 formed in the central portion of the flat plate portion 11 is arranged directly below the opening portion 54 formed between the scaffold plates 50, 50.
The positional relationship between the screw hole 15 and the central insertion hole 16 is such that when the screw hole 15 is arranged immediately below any one of the openings 54 of the scaffolding plate 50, the central insertion hole 16 is different from the scaffolding plate 50. It is set so as to be arranged immediately below the opening 54 of the.

Two insertion holes 16 are arranged before and after the central insertion hole 16. The two front insertion holes 16 and 16 are disposed at left and right symmetrical positions with the center portion of the flat plate portion 11 in the left-right direction interposed therebetween. The front two insertion holes 16 and 16 and the rear two insertion holes 16 and 16 are arranged at front and rear positions with the central portion of the flat plate portion 11 in the front-rear direction sandwiched therebetween.

The positional relationship between the five insertion holes 16 is such that when the central insertion hole 16 is arranged immediately below the opening 54, the front insertion holes 16 and 16 and the rear insertion holes 16 and 16 are It is set so as to be arranged immediately below the partition part 55 of the scaffolding plate 50.

As shown in FIG. 1, the fixture 20 is a plate-shaped member that is overlaid on the upper surface of the step board 51 of the scaffold board 50. The fixture 20 is arranged across two adjacent partition parts 55, 55. The front edge portion and the rear edge portion of the fixture 20 are bent downward and enter the opening 54.
The fixture 20 is arranged at the center of the footboard 51 in the left-right direction. The width of the fixture 20 in the left-right direction is formed to be much smaller than the width of the scaffold plate 50 in the left-right direction.

As shown in FIG. 5, the fitting 20 has a fitting hole 21 through which the protrusion 56 of the scaffolding plate 50 is fitted. As shown in FIG. 1, the fitting 20 of the present embodiment includes two fitting holes 21 and 21 into which the two protruding portions 56 and 56 of the front partition portion 55 are fitted, and the rear partition portion 55. Two fitting holes 21 and 21 into which the two projecting portions 56 and 56 are fitted are formed.

A recessed portion 22 that is recessed downward is formed in the central portion of the fixture 20. As shown in FIG. 5, the recess 22 is inserted into the opening 54 of the scaffolding plate 50, and is sandwiched between two adjacent partition parts 55, 55. As shown in FIG. 2, a through hole 23 is formed in the center of the recess 22.

As shown in FIG. 5, the fitting part 20 is positioned on the upper surface of the step board 51 by fitting the protrusion 56 into the fitting hole 21 of the fitting 20 and inserting the recess 22 into the opening 54.

When the protrusion 56 is inserted into the fitting hole 21 of the fixture 20, the fixture 20 is arranged at a position lower than the upper end of the protrusion 56. That is, the fixture 20 is arranged at a position lower than the respective anti-slip protrusions 56 formed on the upper surface of the step board 51.

The mounting screw 30 is a known male screw member having a shaft portion 31 in which a thread groove is formed and a head portion 32 having a diameter larger than that of the shaft portion 31.
The shaft portion 31 of the mounting screw 30 is inserted into the through hole 23 (see FIG. 2) of the mounting tool 20 from above. The head 32 of the mounting screw 30 is engaged with the upper surface of the recess 22. The head 32 is accommodated in the recess 22 of the fixture 20 and is arranged at a position lower than the upper surface of the fixture 20.

As shown in FIG. 2, the shaft portion 31 of the mounting screw 30 is screwed into the screw hole 15 of the connecting member 10 through the opening 54 of the step plate 51. As a result, as shown in FIG. 5, the two partition parts 55, 55 of the tread 51 are sandwiched between the fixture 20 and the connecting member 10, and the fixture 20 and the connecting member 10 are attached to the scaffolding plate 50. It is fixed.

Next, the procedure for connecting the two scaffold plates 50, 50 using the scaffold plate connector 1 of the present embodiment will be described.
First, the connection member 10 is arranged in front of the scaffold plate 50 on the rear side shown in FIG. 2, the connection member 10 is moved rearward, and the connection member 10 is moved to the lower surface side of the step board 51. At this time, the left and right side portions 12, 12 of the connecting member 10 are inserted between the step plate 51 and the lower plate 53. As a result, both side portions 12, 12 of the connecting member 10 are supported by the scaffolding plate 50, and the connecting member 10 can slide in the longitudinal direction (front-back direction) of the scaffolding plate 50. Then, the entire connecting member 10 is arranged on the lower surface side of the step board 51 of the scaffold board 50 on the rear side.

Subsequently, as shown in FIG. 3, the scaffold plate 50 is arranged on the front side of the rear scaffold plate 50, and the rear end portion of the front scaffold plate 50 and the front end portion of the rear scaffold plate 50 are abutted against each other.
After that, the connecting member 10 is slid forward, the front half of the connecting member 10 is arranged on the lower surface side of the footboard 51 of the front scaffolding plate 50, and the rear half of the connecting member 10 is arranged on the footboard 51 of the rear scaffolding plate 50. Place on the bottom side.

When the connecting member 10 is slid, the tip of a rod-shaped tool is inserted into the insertion hole 16 in the center of the connecting member 10 from above the scaffolding plate 50 through the opening 54. Then, the connecting member 10 can be slid with respect to the scaffolding plate 50 by pushing out the connecting member 10 with a tool.
At this time, when the insertion hole 16 exposed in the opening 54 moves and hides below the partition 55, the other insertion holes 16 are exposed in the opening 54, and thus the insertion holes 16 differ in sequence. The connecting member 10 can be slid using the.

The connection member 10 is arranged with respect to the scaffold plates 50, 50 so that the front and rear screw holes 15, 15 of the connection member 10 are arranged directly below the openings 54, 54 of the front and rear scaffold plates 50, 50.
Then, as shown in FIG. 5, the fixtures 20, 20 are placed on the upper surfaces of the step plates 51, 51 of the front and rear scaffold plates 50, 50, respectively.

After that, as shown in FIG. 2, the mounting screw 30 is inserted from above into the through hole 23 of the mounting tool 20, and the mounting screw 30 is screwed into the screw hole 15 of the connecting member 10, so that as shown in FIG. , The connection member 10 is fixed to the two scaffold plates 50, 50. As a result, the connecting structure 2 in which the two scaffold plates 50, 50 are connected by using the scaffold plate connecting tool 1 of the present embodiment is formed.

Further, when separating the two scaffold plates 50, 50, the mounting screws 30 and the fixture 20 are removed from the front and rear scaffold plates 50, 50. Then, the connecting member 10 is slid forward or backward, and the entire connecting member 10 is moved to the lower surface side of the footboard 51 of one scaffolding plate 50. As a result, as shown in FIG. 2, the two scaffold plates 50, 50 are separated.
When the connecting member 10 is slid, a rod-shaped tool is inserted into the insertion hole 16 and the connecting member 10 is pushed out, as in the case of connecting the two scaffold plates 50, 50.

In the scaffolding plate connector 1 and the coupling structure 2 of the present embodiment as described above, as shown in FIG. 5, the connecting member 10 is arranged across the lower surfaces of the two scaffolding plates 50, 50. Then, by fixing the scaffolding plates 50, 50 to the connecting member 10 with the mounting tool 20 and the mounting screws 30, the scaffolding plates 50, 50 can be easily and surely connected from above. Further, since the connecting member 10 is arranged so as to straddle the two scaffold plates 50, 50, it is possible to prevent the scaffold plate 50 from moving in the vertical direction at the connecting portion.
Further, the scaffolding plates 50, 50 can be easily separated by removing the fixture 20 and the mounting screw 30 from the connecting member 10 and sliding the connecting member 10 to one scaffolding plate 50 side. Thereby, only one intermediate piece can be removed from the plurality of continuous scaffolding boards 50.

In the scaffolding board connector 1 and the connecting structure 2 of the present embodiment, since the mounting tool 20 arranged on the upper surface of the flat plate portion 11 of the scaffolding board 50 is small, both scaffolding boards 50, 50 can be connected substantially flat. As a result, it is possible to enhance the safety when the worker passes through the work scaffold.

In the scaffolding plate connector 1 and the connecting structure 2 of the present embodiment, as shown in FIG. 3, the tip end of the rod-shaped tool is inserted into the insertion hole 16 of the connecting member 10 from above the scaffolding plate 50 through the opening 54. be able to. Then, as shown in FIG. 6, the connecting member 10 can be easily slid with respect to the scaffolding plate 50 by pushing out the connecting member 10 with a tool.

The connecting member 10 of the present embodiment is formed with a central insertion hole 16 and four insertion holes 16 arranged in front, rear, left and right with respect to the central insertion hole 16. In this way, by dispersing the plurality of insertion holes 16 without arranging them in one direction, the reduction in strength of the connecting member 10 is suppressed.

In the scaffold plate connector 1 and the connection structure 2 of the present embodiment, as shown in FIG. 3, a gap is formed between the inner surface of the side plate 52 of the scaffold plate 50 and the side surface of the side portion 12 of the connecting member 10. ing. Therefore, as shown in FIG. 6, since both scaffold plates 50, 50 can be tilted in the left-right direction with respect to the connecting member 10, both scaffold plates 50, 50 can be bent and connected. Accordingly, since the plurality of scaffolding plates 50 can be curved and connected, the work scaffolding can be curved in accordance with the curved work site.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be appropriately modified without departing from the gist thereof.
In the connecting member 10 of the present embodiment, as shown in FIG. 4, side portions 12 and 12 that are bent upward are formed on the left and right of the flat plate portion 11, but the shape of the side portion 12 is not limited. For example, it may be bent downward. Furthermore, the entire connecting member 10 may be formed flat without providing the connecting member 10 with bent side portions.

As shown in FIG. 2, five insertion holes 16 are formed in the connection member 10 of the present embodiment, but the number of the insertion holes 16 is not limited. The connecting member 10 may not be provided with the insertion hole 16.
Two threaded holes 15, 15 are formed in the connection member 10 of the present embodiment, but the number of the threaded holes 15 is not limited, and for example, three or more threaded holes 15 are formed, Three fixtures 20 may be provided.

The fitting 20 of the present embodiment has four fitting holes 21 into which the protrusions 56 of the scaffolding plate 50 are fitted, but the number of the fitting holes 21 is not limited. The fitting hole 21 may not be provided in the fixture 20.

In the scaffolding plate connector 1 of the present embodiment, two screw holes 15 and 15 are formed in the connecting member 10, and the two mounting members 20 and 20 are arranged on the upper surfaces of the front and rear scaffolding plates 50 and 50, respectively. . However, as in the scaffolding board connecting tool 1A shown in FIG. 7, one screw hole 15 is formed in the connecting member 10 and one mounting tool 20 is attached to the upper surface of the partition parts 55, 55 of the front and rear scaffolding boards 50, 50. You may arrange over. Then, the mounting screws 30 are screwed into the screw holes 15 through the openings 54 between the scaffold plates 50, 50, so that the scaffold plates 50, 50 can be connected.

The scaffolding board connector and the scaffolding board to which the coupling structure of the present invention is applicable are not limited, and various known scaffolding boards can be used as long as the connecting member can be slidably attached to the lower surface side of the scaffolding board. The scaffolding board connector and the connecting structure of the present invention can be applied to.

DESCRIPTION OF SYMBOLS 1 Scaffold board connecting tool 2 Connection structure 10 Connecting member 11 Flat plate part 12 Side part 15 Screw hole 16 Insert hole 20 Mounting tool 21 Fitting hole 22 Recessed part 23 Through hole 30 Mounting screw 31 Shaft part 32 Head part 50 Scaffolding plate 51 step plate 52 side plate 53 lower plate 54 opening 55 partition part 56 projecting part

Claims (5)

A scaffolding board connecting device for connecting two scaffolding boards,
A connection member that is assembled to the lower surface side of the scaffolding plates in a slidable state in the connecting direction of the scaffolding plates,
Two fixtures respectively arranged on the upper surfaces of the scaffold plates,
A mounting screw inserted into the through hole of the mounting fixture,
Two screw holes into which the mounting screw is screwed are formed on the upper surface of the connection member,
When one of the screw holes is arranged directly below the opening of one of the scaffolding plates, the other screw hole is arranged immediately below the opening of the other scaffolding plate, such that the screw holes A scaffolding board connector characterized in that intervals are set. A scaffolding board connecting device for connecting two scaffolding boards,
A connection member that is assembled to the lower surface side of the scaffolding plates in a slidable state in the connecting direction of the scaffolding plates,
A fixture arranged on the upper surface of the scaffolding plates,
A mounting screw inserted into the through hole of the mounting fixture,
A screw hole is formed on the upper surface of the connection member,
The scaffold plate connector according to claim 1, wherein the mounting screw is screwed into the screw hole through an opening of the scaffold plate. The scaffolding plate connector according to claim 1 or 2,
An insertion hole is formed on the upper surface of the connection member,
When the screw hole is arranged directly below the opening of the scaffolding plate, the insertion hole is arranged directly below the opening of the scaffolding plate, so that the screw hole and the insertion hole A scaffolding board connector characterized in that a positional relationship is set. The scaffolding board connector according to any one of claims 1 to 3,
The scaffolding board is
A tread having the opening formed,
And left and right side plates hanging from both side edges of the tread,
The connection member is disposed between the both side plates,
The scaffolding board connector is characterized in that the width of the connecting member in the left-right direction is smaller than the distance between the inner surfaces of the both side plates. A scaffolding board connecting structure for connecting two scaffolding boards using a scaffolding board connector,
The scaffolding board connector,
A connection member assembled on the lower surface side of the scaffolding plates in a slidable state in the connecting direction of the scaffolding plates,
Two fixtures respectively arranged on the upper surfaces of the scaffold plates,
A mounting screw inserted into the through hole of the mounting fixture,
Two screw holes are formed on the upper surface of the connection member,
One of the screw holes is arranged directly below the opening of the one scaffolding plate,
The other screw hole is arranged directly below the opening of the other scaffolding plate,
The scaffold plate connection structure according to claim 1, wherein the mounting screw is screwed into the screw hole of the connection member through the opening of the scaffold plate.

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