JP2021181753A - Work ledger for temporary scaffold - Google Patents

Abstract

To provide a work ledger for a temporary scaffold capable of extending each of a pair of hook members linearly in a length direction of a body and of standardizing these hook members.SOLUTION: A pair of hook members 3 are provided at both sides of a width direction central part of a body 2 at each end of the body 2 in a length direction, these hook members 3 are arranged at different distances from the width direction central part of the body 2, two lateral wall parts 25B for mounting the hook member 3 to the body 2 are provided at the body 2 at same distances from the width direction central part of the body 2 so that the two hook members 3 are arranged at diagonal positions of the body 2 at same distances from the width direction central part of the body 2, one hook member 3A of the pair of hook members 3 is mounted to one lateral wall part 25B via a space member 30 and the other hook member 3B is mounted to the other lateral wall part 25B without via the space member 30.SELECTED DRAWING: Figure 9

Description

The present invention relates to a temporary scaffolding work cloth board used for a worker to ride and walk on a temporary scaffolding constructed at a work site such as construction or civil engineering.

In the temporary scaffolding constructed at a work site such as construction or civil engineering, as shown in Patent Document 1 and Patent Document 2 below, a work cloth board for a worker to ride and walk is used. This work cloth plate is provided with a pair of hook members on both sides of the central portion in the width direction of the main body at each end in the length direction of the main body on which the worker rides, and these hook members are provided on the main body. The distance from the center in the width direction is different, and the distances from the center in the width direction of the two hook members arranged diagonally to the main body are the same, and each hook member is the same. The work cloth plate is arranged on the temporary scaffold by being locked to a horizontal member or the like which is a rod-shaped temporary scaffold component.

In this work cloth plate, a pair of hook members are arranged at each end in the length direction of the main body on both sides of the central portion in the width direction of the main body at different distances from the central portion in the width direction of the main body, and the main body is arranged. The reason why the two hook members arranged diagonally are arranged at the same distance from the center in the width direction of the main body is that the two work cloth plates are temporarily installed with the hook members in the shape of a rod. This is to prevent the hook members from interfering with each other in the width direction of the main body at the connection points when the work cloth plates are arranged in series in the length direction by engaging with the scaffolding constituent members.

Japanese Unexamined Patent Publication No. 2001-3111304 Japanese Unexamined Patent Publication No. 2009-413328

In this way, a pair of hook members are arranged at each end in the length direction of the main body on both sides of the central portion in the width direction of the main body at different distances from the central portion in the width direction of the main body, and diagonally of the main body. In order to arrange the two hook members arranged at the same position at the same distance from the central portion in the width direction of the main body, conventionally, of the pair of hook members arranged on both sides of the central portion in the width direction of the main body. One hook member extends linearly in the length direction of the main body, and the other hook member is bent in the width direction of the main body and then extends linearly in the length direction of the main body. Therefore, there is a problem that these hook members cannot be standardized because they have different shapes.

An object of the present invention is to provide a work cloth plate for temporary scaffolding, in which each of a pair of hook members can be linearly extended in the length direction of the main body, and these hook members can be shared. It is in the place to do.

In the work cloth plate for temporary scaffolding according to the present invention, a pair of hook members are provided on both sides of the central portion in the width direction of the main body at each end in the length direction of the main body on which the worker rides, and these hook members are provided. Are arranged differently from the widthwise central portion of the main body, and the two hook members arranged diagonally to the main body have the same distance from the widthwise central portion of the main body. In the temporary scaffolding work cloth plate arranged in the temporary scaffolding by locking each of the hook members to the rod-shaped temporary scaffolding constituent member, each of the pair of hook members is of the main body. It extends linearly in the length direction, and the main body has two mounting portions for attaching the pair of hook members to the main body at the same distance from the central portion in the width direction of the main body. Of the pair of hook members, one hook member is attached to the inner surface of the main body in the width direction of one of the two attachment portions, and the other hook member is provided. However, the pair of hook members have different distances from the central portion in the width direction of the main body because they are attached to the outer surface of the main body in the width direction of the other mounting portion of the two mounting portions. It is characterized by being arranged in a row.

As described above, in this temporary scaffolding work cloth plate, two attachment portions for attaching a pair of hook members to the main body are provided on the main body at the same distance from the central portion in the width direction of the main body. Of the pair of hook members, one hook member is attached to the widthwise outer surface of the main body in one of the two attachment portions, and the other hook member is out of the two attachment portions. Since it is mounted on the inner surface of the main body in the width direction of the other mounting portion, the pair of hook members can be arranged at different distances from the central portion in the width direction of the main body, whereby all of the hook members can be arranged. The hook member can be made to extend linearly in the length direction of the main body, and these hook members can be made common.

In this temporary scaffolding work cloth plate, it is preferable that the main body is provided with a positioning portion for positioning each of the pair of hook members together with the mounting portion in the width direction of the main body.

According to this, when the pair of hook members are attached to the attachment portion, the hook members can be positioned in the width direction of the main body by the attachment portion and the positioning portion, so that this attachment work can be easily performed.

Further, in the work cloth plate for temporary scaffolding according to the present invention, a pair of hook members are provided on both sides of the central portion in the width direction of the main body at each end in the length direction of the main body on which the worker rides. The hook members are arranged at different distances from the widthwise central portion of the main body, and the distances of the two hook members arranged diagonally from the main body from the widthwise central portion of the main body are In the temporary scaffolding work cloth plate which is the same and is arranged on the temporary scaffold by locking each of the hook members to the rod-shaped temporary scaffold constituent member, each of the pair of hook members is said to be the same. It extends linearly in the length direction of the main body, and the main body has two mounting portions for attaching the pair of hook members to the main body at a distance from the central portion in the width direction of the main body. Is provided in the same manner, and one of the hook members of the pair of hook members is provided on one of the inner and outer surfaces of the main body in the one mounting portion of the two mounting portions in the width direction. The other hook member is attached via a space member having a thickness in the width direction of the two attachment portions, and the other attachment portion is on the same side as the one surface of the other attachment portion inside and outside the width direction of the main body. It is characterized in that the pair of hook members are arranged at different distances from the central portion in the width direction of the main body because they are directly attached to the surface without the space member.

As described above, even in this temporary scaffolding work cloth plate, the main body is provided with two mounting portions for attaching the pair of hook members to the main body at the same distance from the central portion in the width direction of the main body. Of the pair of hook members, one hook member has a space member having a thickness in the width direction of the main body on one surface of the two mounting portions inside and outside the width direction of the main body. The other hook member is mounted on the same side of the two mounting portions as the one surface inside and outside the width direction of the main body of the other mounting portion via the space member. Even with this temporary scaffolding work cloth board, a pair of hook members can be arranged at different distances from the center in the width direction of the main body because they are directly attached without being used. Can be made to extend linearly in the length direction of the main body, and these hook members can be made common.

In this temporary scaffolding work cloth plate, it is preferable that the main body is provided with a positioning portion for positioning the one hook member and the space member together with the one mounting portion in the width direction of the main body.

According to this, when the one hook member is attached to the one attachment portion via the space member, the hook member and the space member are positioned in the width direction of the main body by the one attachment portion and the positioning portion. Since it can be put into a state, this installation work can be easily performed.

Further, it is preferable that the positioning portion of each temporary scaffolding work cloth plate according to the present invention has a dimension in the vertical direction and a dimension in the length direction of the main body.

According to this, the hook member extending linearly in the length direction of the main body can be more reliably positioned in the width direction of the main body.

Further, in each temporary scaffolding work cloth plate according to the present invention, the main body may be formed of one member provided with two mounting portions, or the main body may be formed of two semifields. It shall be formed by arranging the members side by side in the width direction of the main body, and one mounting portion shall be provided for each of these semi-body members, and these semi-body members may have the same cross-sectional shape in the width direction of the main body. By arranging the members symmetrically about the central portion in the width direction of the main body, the two mounting portions may be arranged on the main body at the same distance from the central portion in the width direction of the main body.

According to the latter, each semifield member can be formed by cutting an extruded product or a punched molded product made of aluminum or an aluminum alloy to a predetermined length dimension, and the two semifield members are formed into the width of the main body. The main body can be easily formed by arranging the main body symmetrically with the central portion in the direction as the center.

Further, in the present invention, even when the main body is formed of one member, the main body may be formed of an extruded product or a pultruded product made of aluminum or an aluminum alloy, or the main body may be formed by bending a sheet metal. You may. Further, as described above, when the main body is formed by arranging two semi-body members side by side in the width direction of the main body, each half-body member may be formed by bending a sheet metal.

Further, in order to dispose the work cloth plate according to the present invention on the temporary scaffold, the rod-shaped temporary scaffold component that locks the hook member of the work cloth plate is a horizontal member coupled to the temporary scaffolding column by a clamp. Alternatively, it may be a horizontal member provided on the building frame for the temporary scaffolding, or any temporary scaffolding component may be used.

According to the present invention, each of the pair of hook members can be made to extend linearly in the length direction of the main body, and it is possible to obtain the effect that these hook members can be shared.

FIG. 1 is a plan view showing a work cloth board for a temporary scaffold according to an embodiment of the present invention. FIG. 2 is a front view of the work cloth board for temporary scaffolding of FIG. FIG. 3 is a bottom view of the work cloth plate for temporary scaffolding of FIG. FIG. 4 is a cross-sectional view taken along the line S4-S4 of FIG. FIG. 5 is a partially enlarged view of FIG. FIG. 6 is a perspective view showing the structure of the end portion of the temporary scaffolding work cloth plate in the length direction in an exploded manner. FIG. 7 is a perspective view showing the attachment structure of the hook member attached to the end portion of the temporary scaffolding work cloth plate in the length direction in an exploded manner. FIG. 8 is a plan view showing a case where the two work cloth plates are arranged in series in the length direction of the work cloth plates by engaging the hook member with the rod-shaped temporary scaffolding constituent member. .. In FIG. 9, one of the pair of hook members arranged on both sides of the central portion in the width direction of the main body is attached to the mounting portion of the main body via the space member at the end portion in the length direction of the main body. It is the same figure as FIG. 4 which shows an embodiment. FIG. 10 is a partially enlarged view of FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. 1A and 1B show a plan view of a temporary scaffolding work cloth board 1 according to an embodiment of the present invention, FIG. 2 is a front view of the work cloth board 1, and FIG. 3 is a front view of the work cloth board 1. It is a bottom view. The work cloth plate 1 is arranged in a pair on both sides of the main body 2 which is rectangular in a plan view and the end portions of the main body 2 in the length direction on both sides of the central portion in the width direction of the main body 2. It is configured to include the hook member 3. The temporary scaffold is constructed by having two rod-shaped horizontal members 4 that are clamped to the temporary scaffolding columns and extend in the horizontal direction, and a total of four hook members 3 are attached to these horizontal members 4. By locking the work cloth plate 1, the work cloth plate 1 is arranged on the temporary scaffolding so that the worker riding on the work cloth plate 1 can walk, work, and the like.

Of the four hook members 3 attached to the work cloth plate 1, a pair of hook members 3A and 3B are provided at one end of the main body 2 in the length direction at intervals in the width direction of the main body 2. A pair of hook members 3C and 3D are arranged at the other end at intervals in the width direction of the main body 2, and of these hook members 3A to 3D, two hook members 3A and 3D are arranged. , The hook members are arranged at one diagonal position of the main body 2, and the two hook members 3B and 3C are hook members arranged at the other diagonal position of the main body 2.

FIG. 4 is a cross-sectional view taken along the line S4-S4 of FIG. As shown in FIG. 4, the main body 2 is formed by two semifield members 5 arranged side by side in the width direction of the main body 2. Each semi-body member 5 is formed by cutting an extruded product or a pultruded product made of aluminum or an aluminum alloy to a predetermined length dimension, and therefore, these semi-body members 5 are formed of the main body 2. The cross-sectional shape in the width direction orthogonal to the length direction is the same shape and is continuous to both ends in the length direction of the main body 2, and this cross-sectional shape is the same for the two semifield members 5. ing. The main body 2 is formed by arranging the two semifield members 5 symmetrically about the central portion in the width direction of the main body 2.

The upper surface portion 5A of each semi-body member 5, which is a tread surface for an operator to ride on and step on, was cut into a predetermined length by cutting the extruded product or the pultruded product. Later, by embossing with a press device, the non-slip protrusion 6 is formed so as to project upward.

As shown in FIG. 4, each semifield member 5 is similar to the side wall portions 5B and 5C between the side wall portions 5B and 5C on both sides in the width direction of the main body 2 and these side wall portions 5B and 5C. It has a reinforcing portion 5D hanging downward, and among the side wall portions 5B and 5C, the side wall portion 5B on the outer side in the width direction of the main body 2 is from the side wall portion 5C on the inner side in the width direction of the main body 2. Also, the thickness dimension of the main body 2 in the width direction is large. Further, the upper end of the side wall portion 5B is connected to the central portion in the width direction of the main body 2 in the upper extending portion 5E extending outward in the width direction of the main body 2 from the above-mentioned upper surface portion 5A, and is connected to the upper extending portion. At the tip of the portion 5E, a first protruding portion 5F that bends and protrudes downward is provided. Further, a lower extending portion 5G having an extending length in the width direction of the main body 2 is provided at the lower end of the side wall portion 5B, and the lower end of the side wall portion 5B is the main body 2 in the lower extending portion 5G. A second protrusion 5H that is bent and projected upward is provided at the outer tip of the main body 2 in the width direction of the lower extending portion 5G, which is connected to the central portion in the width direction of the main body 2. Further, the upper extending portion 5E is provided with a third protruding portion 5I that bends and protrudes downward on the inner side in the width direction of the main body 2 with respect to the side wall portion 5B, and further, the lower extending portion 5G is provided with a third protruding portion 5G. A fourth protrusion 5J that bends and protrudes upward is provided inside the main body 2 in the width direction with respect to the side wall portion 5B. These first to fourth protrusions 5F, 5H, 5I, and 5J are shown enlarged in FIG. 5, which is a partially enlarged view of FIG.

Each hook member 3 attached to the main body 2 of the work cloth plate 1 is formed of a thick plate metal material so as to extend linearly in the length direction of the main body 2. Then, the distance between the side wall portion 5B and the first protrusion 5F, the distance between the side wall portion 5B and the second protrusion 5H, the distance between the side wall portion 5B and the third protrusion 5I, and the side wall portion. The distance between the 5B and the fourth protrusion 5J is the same as or slightly larger than the thickness dimension of each hook member 3 in the width direction of the main body 2.

As shown in FIGS. 4 and 5, an extension 5K extending inward in the width direction of the main body 2 is provided at the upper end of the fourth protrusion 5J of each semifield member 5. Further, at the lower end of the above-mentioned side wall portion 5C shown in FIG. 4, an extension portion 5L extending outward in the width direction of the main body 2 is provided, and the tip of the extension portion 5L is provided with an extension portion 5L. A protrusion 5M that bends and protrudes upward is provided. Further, the lower end of the reinforcing portion 5D described above is provided with an extending portion 5N extending in the width direction inside and outside of the main body 2, and the lower end of the reinforcing portion 5D is the center of the main body 2 in the extending portion 5N in the width direction. It is connected to the part.

When the main body 2 is formed by arranging the two semi-body members 5 side by side in the width direction of the main body 2, as shown in FIG. 4, the side wall having the smaller thickness dimension among the side wall portions 5B and 5C. By facing the portions 5C to each other on the inner side in the width direction of the main body 2, the two semifield members 5 are symmetrically arranged around the central portion in the width direction of the main body 2, whereby the two semifield members 5 are arranged. They are arranged side by side in the width direction of the main body 2. Next, the plate-shaped connecting member 7 shown in FIG. 3 is bridged to the two semifield members 5, and the connecting member 7 bridged to the two semifield members 5 in this way is the length of the main body 2. By providing a plurality of connecting members 7 in the direction and connecting each connecting member 7 to the extending portions 5K, 5L, 5N shown in FIG. 4 by welding or the like, the two semifield members 5 are connected by the plurality of connecting members 7. do.

At this time, since the two semi-body members 5 having the same cross-sectional shape in the width direction of the main body 2 are symmetrically arranged about the central portion in the width direction of the main body 2, each semi-body member 5 has a same cross-sectional shape. Of the provided side wall portions 5B and 5C, the side wall portion 5B having a large thickness dimension is arranged at a position outside the width direction of the main body 2 as described above.

Further, the two semifield members 5 connected by the connecting member 7 as described above are also connected by the end face member 8 shown in FIG. The end face member 8 is arranged at each end portion in the length direction of the main body 2, and these end face members 8 have a vertical portion 8A having a dimension slightly shorter than the dimension in the width direction of the main body 2 and the vertical portion. It has an upper protruding portion 8B and a lower protruding portion 8C protruding from the upper and lower ends of the 8A toward the main body 2. The upper protruding portion 8B is connected to the upper surface portion 5A of each semifield member 5 by welding or the like, and the lower protruding portion 8C is connected to the extending portions 5K, 5L, 5N of each semifield member 5 by welding or the like. As a result, the two semifield members 5 are connected by the two end face members 8.

An extension member 9 of FIG. 6 arranged outside the end face member 8 in the length direction of the main body 2 is connected to the end face member 8 in order to extend the length direction of the main body 2. The extension member 9 is obliquely formed between the upper surface portion 9A in which a part thereof is placed on the upper protruding portion 8B of the end face member 8, the hanging portion 9B hanging from the upper surface portion 9A, and the upper surface portion 9A and the hanging portion 9B. The extension member 9 is connected to the end face member 8 by being composed of the bridge portion 9C and the hanging portion 9B being coupled to the vertical portion 8A of the end face member 8 by a coupling tool 10 such as a rivet.

FIG. 7 shows the hook member 3 before being attached to the main body 2. The base of the hook member 3 on the main body 2 side is provided with two holes 11 at intervals in the length direction of the main body 2, and the side wall of each semifield member 5 forming the main body 2. The portion 5B is provided with two holes 12 corresponding to these holes 11. The base portion of the hook member 3 is attached to the side wall portion 5B by a bolt through which the shaft portion is inserted into the hole 11 and the hole 12 and a fitting 13 with a nut screwed into the shaft portion of the bolt. Each hook member 3 attached to the main body 2 by this attachment is formed with an opening 14 that opens downward at a portion protruding from the main body 2, and the opening 14 is shown in FIGS. 1 to 3. By fitting to the horizontal member 4 shown from above, each hook member 3 is locked to the horizontal member 4, and the work cloth plate 1 is arranged on the temporary scaffold.

Each hook member 3 is provided with a lock member 15 for preventing the hook member 3 from being unlocked from the horizontal member 4. The lock member 15 is inseparably arranged in the hook member 3 by the heads of the headed pins 16 and 17 fastened to the hook member 3, and the pins 16 and 17 are inserted into the lock member 15. Since the curved elongated hole 18 is formed, the lock member 15 can move up and down while rotating with respect to the hook member 3. Since the elongated hole 18 is provided with a plurality of recesses into which the pins 16 and 17 can be fitted, the lock member is used when the opening 14 of the hook member 3 is fitted into the horizontal member 4 from above. The opening 15 is arranged at an upper position where the entire opening 14 can be opened, and after the opening 14 is fitted to the horizontal member 4 from above, the lock member 15 is moved to the lower position to open the opening. A part of the portion 14 is closed by the lock member 15, which prevents the hook member 3 from being unlocked from the horizontal member 4.

As described above, when the main body 2 is formed by arranging the two half-body members 5 symmetrically with respect to the central portion in the width direction of the main body 2, the side wall portions provided one by one on each of the half-body members 5. The 5B is arranged outside the width direction of the main body 2 at the same distance from the center portion in the width direction of the main body 2, and these side wall portions 5B are used as mounting portions of the main body 2 for mounting the hook member 3. Then, each hook member 3 is attached to the main body 2 by the coupling tool 13 as described above. In this attachment, for the pair of hook members 3A and 3B shown in FIGS. 4 and 5, one hook member 3A is attached to the inside of the main body 2 in the one side wall portion 5B of the two side wall portions 5B in the width direction. The other hook member 3B is attached to the surface of the other side wall portion 5B by the coupling tool 13 on the outer surface of the main body 2 in the width direction of the other side wall portion 5B. It is done by combining. Regarding the pair of hook members 3C and 3D shown in FIGS. 1 and 3, the hook member 3D arranged diagonally to the hook member 3A is the other of the two side wall portions 5B. The hook member 3C, which is attached to the inner surface of the main body 2 in the side wall portion 5B in the width direction by the coupling tool 13 and is arranged diagonally to the hook member 3B, is attached to the side wall of one of the two side wall portions 5B. It is attached to the outer surface of the main body 2 in the width direction of the portion 5B with the coupling tool 13.

As a result, the pair of hook members 3A and the hook member 3B arranged at one end in the length direction of the main body 2 and the pair of hook members 3C and the hook member 3D arranged at the other end become the main body 2. The main body 2 is attached to the two side wall portions 5B provided at different distances from the central portion in the width direction. Further, the two hook members 3A and the hook members 3D arranged at diagonal positions of the main body 2 are arranged at the same distance from the central portion in the width direction of the main body 2, and are different from each other. The two hook members 3B and the hook members 3C arranged at diagonal positions are also arranged at the same distance from the center portion in the width direction of the main body 2.

In FIG. 8, the two work cloth plates 1 to which the hook member 3 is attached are arranged in series in a connected state as described above, and a pair of the two work cloth plates 1 are arranged at the opposite ends of the work cloth plates 1. A state in which the hook members 3A and 3B and the hook members 3C and 3D are locked to the same horizontal member 4 is shown. The pair of hook members 3A and the hook member 3B, and the pair of hook members 3C and the hook member 3D are attached to the main body 2 of the two work cloth plates 1 at different distances from the center portion in the width direction of the main body 2. Therefore, the hook member 3A of one work cloth plate 1 and the hook member 3C of the other work cloth plate 1 do not interfere with each other in the width direction of the main body 2, and the hook member 3B of one work cloth plate 1 does not interfere with each other. And the hook member 3D of the other work cloth plate 1 also do not interfere with the width direction of the main body 2.

Further, according to the present embodiment, the side wall portions 5B of the two semi-body members 5 which are the attachment portions for attaching the hook member 3 to the main body 2 of the work cloth plate 1 are from the central portion in the width direction of the main body 2. Of the total of four hook members 3A to 3D, the hook members 3A and 3D are attached to the inner surface of the main body 2 in the side wall portion 5B in the width direction, and the hook members 3B and 3C are attached to the side walls. Since it is attached to the outer surface of the main body 2 in the width direction of the portion 5B, all of the four hook members 3 provided on one work cloth plate 1 shall extend linearly in the length direction of the main body 2. And these hook members 3 can be shared.

Further, as described with reference to FIGS. 4 and 5, the two semi-body members 5 forming the main body 2 are separated from the side wall portion 5B in the width direction of the main body 2 in the width direction. The upper and lower first and second protrusions 5F and 5H facing each other are provided, and the upper and lower third and the upper and lower third and 5H facing each other on the inner side in the width direction of the main body 2 with a space between the side wall portion 5B and the main body 2 in the width direction are provided. The fourth protrusions 5I and 5J are provided, and the distance between the side wall 5B and the first protrusion 5F, the distance between the side wall 5B and the second protrusion 5H, the side wall 5B and the third protrusion are provided. Since the distance between the portion 5I and the side wall portion 5B and the fourth protrusion 5J is the same as or slightly larger than the thickness dimension of each hook member 3. By inserting these hook members 3 between the side wall portion 5B and these protrusions, the hook member 3A and the hook member 3D are attached when the respective hook members 3 are attached to the side wall portion 5B by the above-mentioned coupling tool 13. The width of the main body 2 is due to the side wall portion 5B and the third and fourth protrusions 5I and 5J, and for the hook member 3B and the hook member 3C, the side wall portion 5B and the first and second protrusions 5F and 5H. It can be positioned in the direction. Therefore, by using the first to fourth protrusions 5F, 5H, 5I, and 5J as positioning portions for positioning the hook member 3 in the width direction of the main body 2 together with the side wall portion 5B, the hook member 3 is attached to the side wall portion 5B. Can be easily carried out with the fitting 13.

Further, the first to fourth protrusions 5F, 5H, 5I, and 5J have dimensions in the vertical direction and dimensions in the length direction of the main body 2, similarly to the hook member 3 and the side wall portion 5B. Therefore, the hook member 3 can be more reliably positioned in the width direction of the main body 2 together with the side wall portion 5B.

Further, as shown in FIGS. 4 and 5, the distance between the upper extension portion 5E and the lower extension portion 5G provided above and below the side wall portion 5B is the coupling tool in the hook member 3. Since the vertical dimension of the base attached to the side wall portion 5B in 13 is the same as or slightly larger than the vertical dimension thereof, when the work for attaching the hook member 3 to the side wall portion 5B with the binder 13 is performed, each of them is used. The hook member 3 can be vertically positioned by the upper extension portion 5E and the lower extension portion 5G, whereby the work of attaching the hook member 3 to the side wall portion 5B with the coupling tool 13 is further performed. Easy to do.

FIG. 9 shows a structure according to another embodiment for attaching the hook member 3 to the main body 2 of the work cloth plate 1. Also in this embodiment, the main body 2 has two semifield members 25 formed by cutting an extruded product or a pultruded product made of aluminum or an aluminum alloy to a predetermined length dimension in the width direction of the main body 2. They are formed by arranging them side by side. Therefore, these semifield members 25 have the same cross-sectional shape in the width direction orthogonal to the length direction of the main body 2 and are continuous to both ends in the length direction of the main body 2. This cross-sectional shape is the same for the two semifield members 25. The two semi-body members 25 have side wall portions 25B and 25C on both sides in the width direction of the main body 2, and the two semi-body members 25 are attached to the main body 2 in the same manner as the half-body member 5 of the embodiment. When arranging them side by side in the width direction, of these side wall portions 25B and 25C, the side wall portions 25C having a small thickness dimension face each other on the inner side in the width direction of the main body 2, whereby the two semifield members 25 are formed. These semifield members 25 are connected by a connecting member 27 after being symmetrically arranged around the central portion in the width direction of the main body 2. Therefore, even in this embodiment, of the side wall portions 25B and 25C, the two side wall portions 25B having a large thickness dimension have the same distance from the center portion in the width direction of the main body 2 and are outside in the width direction of the main body 2. Is located in.

Each half-body member 25 according to this embodiment extends from the upper end of the side wall portion 25B inward in the width direction of the main body 2, and is connected to the upper surface portion 25A of the half-body member 25. The upper extending portion 25D is formed with a first protruding portion 25E facing downward in the width direction of the main body 2 with a space between the side wall portion 25B and the main body 2 in the width direction. ing. Further, each semifield member 25 is provided with a lower extending portion 25F extending inward in the width direction of the main body 2 from the lower end of the side wall portion 25B, and these lower extending portions 25F are provided with a side wall. The second protrusion 25G facing the portion 25B on the inner side in the width direction of the main body 2 is formed so as to bend and project upward with a gap in the width direction between the portion 25B and the main body 2. Such a structure is also shown in FIG. 10, which is a partially enlarged view of FIG.

In this embodiment, the distance between the side wall portion 25B and the first protrusion 25E and the distance between the side wall portion 25B and the second protrusion 25F are the thickness dimensions of the main body 2 in the hook member 3 in the width direction. The size is the same as twice or slightly larger than this size.

Also in this embodiment, mounting each hook member 3 to the main body 2 is performed by using the side wall portion 25B as a mounting portion and connecting the hook member 3 to the mounting portion by connecting the hook member 3 with a coupling tool 33 using bolts and nuts. However, with respect to the pair of hook members 3A and 3B shown in FIGS. 9 and 10, one hook member 3A is used on the inner side of the main body 2 in the one side wall portion 25B of the two side wall portions 25B. A space member 30 is attached to the inner surface in the width direction of the surface and the outer surface in the width direction, and the other hook member 3B is attached to the main body of the other side wall portion 25B of the two side wall portions 25B. It is directly attached to the inner surface in the width direction of the inner surface in the width direction and the outer surface in the width direction of No. 2 without using the space member 30. Further, although not shown in FIGS. 9 and 10, for the pair of hook members 3C and 3D, the hook member 3D arranged diagonally to the hook member 3A is used among the two side wall portions 25B. Attached to the inner surface in the width direction of the inner surface in the width direction and the outer surface in the width direction of the other side wall portion 5B via the space member 30, and arranged diagonally with the hook member 3B. The hook member 3C is placed on the inner surface in the width direction of the inner surface in the width direction and the outer surface in the width direction of the main body 2 in the one side wall portion 25B of the two side wall portions 25B. Install directly without going through. The length dimension of the space member 30 in the length direction of the main body 2 is smaller than the length dimension of the hook member 3, and each space member 30 is housed and arranged inside the main body 2.

Also in this embodiment, as shown in FIG. 8, two work cloth plates 1 are arranged in series in a connected state, and a pair of these work cloth plates 1 are arranged at opposite ends of the work cloth plates 1. When the hook members 3A, 3B and the hook members 3C, 3D are locked to the same horizontal member 4, the pair of hook members 3A and the hook member 3B, and the pair of hook members 3C and the hook member 3D are used for two operations. Since the distance from the center portion in the width direction of the main body 2 is different due to the thickness dimension of the space member 30, the main body 2 of the cloth plate 1 is attached to the hook member 3A of one of the work cloth plates 1. The hook member 3C of the other work cloth plate 1 does not interfere with the width direction of the main body 2, and the hook member 3B of one work cloth plate 1 and the hook member 3D of the other work cloth plate 1 are also of the main body 2. Does not interfere in the width direction.

Further, by forming the space member 30 of this embodiment with a thick plate metal material which is the same material as the hook member 3, the hook member 3A of the pair of hook members 3A and 3B is formed on the two side wall portions 25B. Of these, when the hook member 3A and the space member 30 are attached to the inner surface of the main body 2 in the width direction of one of the side wall portions 25B via the space member 30, the hook member 3A and the space member 30 are attached to the side wall portion 25B and the upper and lower first and second protrusions. Since the 25E and 25G can be positioned in the width direction of the main body 2, the positioning portion for positioning these protrusions 25E and 25G in the width direction of the main body 2 together with the hook member 3A and the space member 30 together with the side wall portion 25B. Therefore, the work for attaching the hook member 3 and the space member 30 to the side wall portion 25B by the coupling tool 33 can be easily performed. Of the pair of hook members 3C and 3D, the hook member 3D is attached to the inner surface of the main body 2 in the other side wall portion 25B of the two side wall portions 25B via the space member 30. Therefore, the hook member 3D and the space member 30 are positioned in the width direction of the main body 2 by the side wall portion 5B and the upper and lower first and second protrusions 25E and 25G, and the other side wall portion 25B is provided by the coupling tool 33. Can be attached to.

Further, the first and second protrusions 25E and 25G have a vertical dimension and a lengthwise dimension of the main body 2, similarly to the hook member 3, the space member 30, and the side wall portion 25B. Therefore, the hook members 3A and 3D and the space member 30 can be more reliably positioned in the width direction of the main body 2 together with the side wall portion 25B.

Further, in this embodiment, the vertical dimension of the space member 30 is the same as the vertical dimension of the base portion attached to the side wall portion 25B of the hook member 3 by the coupling tool 33. Since this vertical dimension is the same as or slightly smaller than the distance between the upper extension portion 25D provided above and below the side wall portion 25B and the lower extension portion 25F, the base portions of the hook members 3A and 3D. The hook member 3 and the space member 30 are moved up and down by the upper extension portion 5E and the lower extension portion 5G when the hook member 3 and the space member 30 are attached to the inner surface of the main body 2 in the side wall portion 25B in the width direction by the coupling tool 33 via the space member 30. This allows the hook member 3 to be more easily attached to the inner surface of the main body 2 in the width direction of the side wall portion 5B via the space member 30 by the coupling tool 13.

The thickness dimension of the space member 30 of the embodiment described above was the same as the thickness dimension of the hook member 3, but the thickness dimension of the space member 30 was made larger than the thickness dimension of the hook member 3. May be good.

INDUSTRIAL APPLICABILITY The present invention can be used for a worker to ride on a temporary scaffold constructed at a work site such as construction or civil engineering to walk or work.

1 Work cloth plate 2 Main body 3,3A to 3D Hook member 4 Horizontal member that is a rod-shaped temporary scaffolding component 25 Semifield member 25B Side wall part that is a mounting part 25C Side wall part 25E, 25G Protrusion part that is a positioning part 30 Space Element

Claims (9)

A pair of hook members are provided on both sides of the widthwise central portion of the main body at each end in the length direction of the main body on which the operator rides, and the distance between these hook members from the widthwise central portion of the main body is The two hook members arranged at diagonal positions of the main body are arranged differently, and the distances from the center portion in the width direction of the main body are the same, and each of the hook members has a rod shape. In a temporary scaffolding work cloth plate that is disposed on a temporary scaffolding by being locked to a temporary scaffolding component member.
Each of the pair of hook members extends linearly in the length direction of the main body, and the main body has two attachment portions for attaching the pair of hook members to the main body. The main body is provided at the same distance from the central portion in the width direction, and one of the hook members of the pair of hook members is the width of the main body in one of the two mounting portions. A space member having a thickness in the width direction of the main body is attached to one surface inside and outside the direction, and the other hook member is the width of the main body in the other mounting portion of the two mounting portions. Since the pair of hook members are directly attached to the surface on the same side as the one surface inside and outside the direction without the space member, the pair of hook members are arranged at different distances from the central portion in the width direction of the main body. A work cloth board for temporary scaffolding that is characterized by being. In the temporary scaffolding work cloth plate according to claim 1, the width of the main body is widened by sandwiching the one hook member and the space member together with the one mounting portion in the main body in the width direction of the main body. A work cloth board for temporary scaffolding, characterized in that a positioning portion is provided for positioning in the direction. In the temporary scaffolding work cloth plate according to claim 1 or 2, the one hook member is provided with a base to be attached to the mounting portion, and the space member has the same vertical dimensions as the base. However, in the main body, two upper and lower parts for vertically positioning the base portion of the one hook member and the space member are at the same interval as the upper and lower dimensions or at a slightly larger interval than the upper and lower dimensions. A work cloth board for temporary scaffolding, which is characterized by being provided in. In the temporary scaffolding work cloth plate according to any one of claims 1 to 3, the thickness dimension of the space member is the same as the thickness dimension of the hook member. Cloth board. In the temporary scaffolding work cloth plate according to any one of claims 1 to 3, the thickness dimension of the space member is larger than the thickness dimension of the hook member. Cloth board. The temporary scaffolding work cloth plate according to any one of claims 1 to 5, characterized in that the positioning portion has a dimension in the vertical direction and a dimension in the length direction of the main body. Work cloth board for temporary scaffolding. In the temporary scaffolding work cloth plate according to any one of claims 1 to 6, the main body is formed by arranging two semi-body members side by side in the width direction of the main body, and each of these semi-body members is formed. By arranging the two semifield members having the same cross-sectional shape in the width direction of the main body symmetrically with respect to the central portion in the width direction of the main body. , A work cloth plate for temporary scaffolding, wherein the two mounting portions are arranged on the main body at the same distance from the central portion in the width direction of the main body. In the temporary scaffolding work cloth plate according to claim 7, the semi-body member has side wall portions on both sides in the width direction of the main body, and these side wall portions have different thickness dimensions in the width direction of the main body. The two semifield members are symmetrically arranged with the side wall portion having a large thickness dimension in the width direction of the main body at a position outside the width direction of the main body, and the thickness dimension in the width direction of the main body is large. A work cloth board for temporary scaffolding, wherein the large side wall portion serves as the mounting portion. In the temporary scaffolding work cloth plate according to claim 8, the semi-body member is provided with reinforcing portions extending in the vertical direction between the side wall portions on both sides in the width direction of the main body. A work cloth board for temporary scaffolding that features.

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