JP2019094713A - Bosh device for temporary scaffold - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small and simple type morning glory device for temporary scaffolding, which has the same opening / closing function as a conventional morning glory device, can reduce costs, and can easily perform installation work. SOLUTION: A morning glory device 1A for temporary scaffolding has a plurality of vertical frame members 2 arranged in front of a plurality of columns S1 erected at intervals in the left-right direction, and front ends of two adjacent vertical frame members. The front horizontal frame member 3 and the rear horizontal frame member 4 that are passed to each other and the rear end portions, two adjacent vertical frame members, and the front horizontal frame member and the rear horizontal frame member that are passed to each other. A face member 6 fastened to a square frame 5 formed of the above, a plurality of support members 7 whose front end is rotatably connected to the front end of each vertical frame member, and a predetermined height of the front side of the column. A holding portion 8a that is detachably attached to a position, has a connecting portion 8a in which the rear end portion of each vertical frame member is rotatably connected to the upper portion, and a holding portion 8b in which the rear end portion of each supporting member is held in the lower portion. It is provided with a plurality of connection holding members 8 having the same. [Selection diagram] Fig. 1

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary scaffolding morning glory device which is installed on a temporary scaffold in a projecting manner and used to prevent an accident due to a drop of materials, tools and the like from the temporary scaffold.

  For example, as shown in Patent Document 1 below, a connecting member attached to a predetermined height position on the front side of two columns aligned in the left-right direction in the temporary scaffold and a rear surface as a temporary scaffolding morning glory device, and Two pivotable vertical frame members whose ends are pivotally connected to each connecting member around a horizontal axis extending in the left-right direction, and the front ends and the rear ends of both vertical frame members respectively A front end portion of a sheet fixed to a rectangular frame formed by the front horizontal frame member and the rear horizontal frame member, the two vertical frame members, the front horizontal frame member and the rear horizontal frame member; A rod-like support member rotatably connected to the front end or the middle length of each vertical frame member, and a lower end of the support member attached at a position lower than the connecting member on the front side of each support Equipped with a holding member that holds Made Te is known.

Patent No. 5999539 gazette

In recent years, there has been an increasing need for a small-sized simple type morning glory device that can be installed on the temporary scaffold more easily by reducing the size of the morning glory device, particularly the overhang from the temporary scaffold.
However, in the case of the morning glory device of Patent Document 1, it is necessary to separately manufacture and prepare a connecting member to which the rear end portion of the vertical frame member is connected and a holding fitting on which the rear end portion of the support member is held. As the cost increases, the work of attaching both members to the column and the adjustment work of the attachment position takes time, and there is a problem in the efficiency of the installation work. It was difficult to apply to the device as it was.
In addition, if the small-sized simple type morning glory device is a fixed structure that can not open and close or adjust the angle of a sheeted square frame, the problems of the above-described increase in cost and decrease in installation operation efficiency are solved. It may be, but it is not easy to use.

  The present invention has been made in view of the above problems, and has a small opening and closing type similar to that of a conventional morning glory device, while reducing costs and facilitating installation. It is an object of the present invention to provide a morning glory device for temporary scaffolding.

This invention consists of the following aspects, in order to achieve said objective.
In order to specify the present invention, the temporary scaffold side (for example, the left side in FIGS. 1 and 6) is referred to as “rear”, the morning glory device side (for example, the right side in FIGS. 1 and 6) as “front”, and “left and right”. Shall mean the case seen from the front.

1) A plurality of vertical frame members arranged in parallel along a vertical plane in the front-rear direction passing through the center line of each column, in front of the columns erected at left and right in the temporary scaffold When,
A facing that is anchored to two adjacent vertical frame members,
A plurality of rod-like support members whose front end portions are rotatably connected to the front end portions or the length intermediate portions of the vertical frame members about horizontal axes extending in the left-right direction;
A connection which is detachably mounted at a predetermined height position on the front side of each of the plurality of columns, and is rotatably connected to the upper part about a horizontal axis extending in the left and right direction at the rear end of each vertical frame member And a plurality of connecting and holding members at the lower portion, the holding portions capable of holding the rear end portions of the respective support members when the respective vertical frame members are at predetermined plural rotational positions. And a morning glory device for temporary scaffolding.

2) Each connection holding member is provided with a vertical base plate disposed along a vertical plane in the front-rear direction passing through the center line of each column,
At the upper side of the two predetermined upper and lower places spaced from each other on the rear side edge of the base plate, a clamp to be fastened and fixed to the support is provided, and the lower side is in contact with the front side of the support And an arc supporting post contact portion opened backward as viewed from the plane where the support is open, and a plane connected to the lower end of the post contact portion and formed on the front side of the post at predetermined intervals in the vertical direction And a downwardly projecting insert portion which is inserted from above into any one of a plurality of U-shaped socket fittings.
3. The temporary scaffold ascoring device according to the above 1), wherein the connecting portion is provided on the upper portion of the base plate and the holding portion is provided on the lower portion of the base plate.

3) At the rear end of each vertical frame member, there is provided a pair of left and right vertical plate-shaped brackets extending in a backward direction and disposed at a predetermined distance from each other,
Insertion holes are formed at opposite positions of the left and right brackets, and insertion holes for forming a connecting portion are formed at the upper end of the base plate, and the shaft portions of the bolts are inserted into these three insertion holes Is screwed in,
Collars are fitted on the portions between the head and the base plate in the shaft portions of the bolts and the portions between the nut and the base plate, and the insertion holes of the left and right brackets are for loosely inserting the respective collars. The above 2) temporary scaffolding morning glory device having a possible hole diameter.

4) At the rear end of each vertical frame member, there is provided a pair of left and right vertical plate-shaped brackets extending in a backward direction and disposed at a predetermined distance from each other,
At the upper end of the base plate, two horizontal pins for forming a connecting portion are provided at predetermined intervals in the front-rear direction so as to respectively penetrate through the base plate and project to the left and right sides,
The left and right brackets are each formed with a first notch cut out in a substantially L shape downward from the rear edge to the tip, and the left and right portions of the pin on the rear side are fitted into the bottom of the first notch. , Each bracket is made rotatable around the pin on the back side,
Also, at the lower side edge of each of the left and right brackets, an arc edge that makes sliding contact with the surface of the front pin when the brackets rotate within the range of a predetermined rotation angle about the rear pin, The temporary scaffolding morning glory device according to the above 2), wherein a second notch is formed which is continuous with the front end of the edge and the front pin is engaged when the bracket is turned to a predetermined rotation angle. .

5) At the rear end of each support member, an engagement pin having a horizontal shaft projecting toward either left or right and a head provided at the tip of the shaft is attached,
At the lower part of the base plate, a guide groove is formed which extends in the vertical direction and has a width through which the shaft portion of the engagement pin can pass but not the head of the engagement pin.
Further, in the lower portion of the base plate, locking grooves for forming a holding portion which are extended obliquely downward and forward from predetermined height positions including upper and lower ends in the guide groove are formed, and predetermined times of predetermined number of vertical frame members According to movement of the rear end of the support member in the vertical direction according to the movement angle, the shaft of the engagement pin can be locked by the edge of the deep bottom of each locking groove The above morning glory device for temporary scaffolding in any one of the above 2) to 4).

6) Each locking groove is in a direction orthogonal to a straight line connecting the center of rotation of the front end of the support member and the center of the shaft of the engaging pin locked to the edge of the deep bottom of each locking groove A temporary scaffolding apparatus for temporary scaffolding according to the above 5) which is stretched.

7) It further comprises a front horizontal frame member and a rear horizontal frame member respectively secured to the front end portion and the rear end portion of two adjacent vertical frame members, and the face material is two adjacent vertical frames A device for temporary scaffolding according to any one of 1) to 6) above, which is anchored to a rectangular frame formed by the members and the front and rear lateral frame members fixed to them.

8) An L-shaped pin whose front end faces forward is provided at the front end of the upper surface of each vertical frame member and at a plurality of intermediate positions at a predetermined distance from each other,
The rear end of the upper surface of each vertical frame member and a plurality of length intermediate positions spaced apart from each other on the upper surface of the front horizontal frame member and the rear horizontal frame member, turn around the horizontal axis on the tip side A folding pin with a flexible relief is provided,
The face material is made of a mesh sheet having a size capable of covering a rectangular frame, and provided at the periphery of the mesh sheet to two vertical frame members constituting the rectangular frame, a front horizontal frame member and a rear horizontal frame member A plurality of eyelets are fitted, into which are fitted L-shaped pins and folding pins respectively,
A connecting plate having an insertion hole into which an L-shaped pin at the front end of the upper surface of the vertical frame is inserted is provided in an extended manner at each of left and right ends of the upper surface of the front horizontal frame. 6. A temporary scaffold ascogly apparatus according to 7) above, wherein a connection plate having an insertion hole into which a folding pin on the rear end of the upper surface of the vertical frame member is inserted is provided in an extended form at each of left and right ends.

9) A front end is provided at a plurality of middle positions at predetermined intervals on the upper surface of each vertical frame member and at a plurality of intermediate positions at predetermined intervals on the upper surface of the front horizontal frame member. An L-shaped pin facing is provided,
The front end portion and the rear end portion of the upper surface of each vertical frame member, and a plurality of length intermediate positions spaced apart from each other on the upper surface of the rear horizontal frame member, can be pivoted on the front end side about the horizontal axis A folding pin with a part is provided,
The face material is made of a mesh sheet having a size capable of covering a rectangular frame, and provided at the periphery of the mesh sheet to two vertical frame members constituting the rectangular frame, a front horizontal frame member and a rear horizontal frame member A plurality of eyelets are fitted, into which are fitted L-shaped pins and folding pins respectively,
A connection plate having an insertion hole into which the folding pin on the front end of the upper surface of the vertical frame member is inserted is provided in an extended manner at each of left and right ends of the upper surface of the front horizontal frame member. 7. A temporary scaffold asfaith apparatus according to 7) above, wherein a connecting plate having an insertion hole into which a folding pin on the rear end of the upper surface of the vertical frame member is inserted is provided at each end.

10) A connecting plate having an insertion hole into which the folding pin of the rear end of the upper surface of the vertical frame member is fitted is provided at one end portion in an extended manner, and the upper surface of the front horizontal frame member is provided at the other end [9] The temporary scaffold asfaith apparatus for temporary scaffolding according to the above 8) or 9), further comprising a brace provided with a connection plate having an insertion hole in which the folding pin or the L-shaped pin is inserted at a predetermined intermediate position.

According to the temporary scaffolding morning glory device according to the above 1), since the vertical frame member and the supporting member are attached to the column via one connection holding member, the number of parts is smaller than that of the morning glory device described in Patent Document 1 above. As in the morning glory device described in Patent Document 1 described above, the connecting member and the holding member are separately attached, or the mounting position of the two members is adjusted. It is possible to do the installation work easily and quickly without the need to
Further, according to the morning glory device described in 1) above, similar to the morning glory device described in Patent Document 1, opening and closing and angle adjustment are performed by vertically rocking a plurality of vertical frame members on which a facing material is stretched. Can.
Therefore, according to the morning glory device of the above 1), it is possible to apply as a small-sized simple type morning glory device provided with the opening / closing function and the like similar to the morning glory device described in Patent Document 1 and its practicability is high.

According to the apparatus for temporary scaffolding according to the above 2), the connecting and holding member is mainly composed of the base plate, and provided with the clamp, the column contact portion, the insert portion, the connecting portion and the holding portion. In addition to being simple and easy to manufacture at low cost, sufficient mounting strength and holding strength can be ensured. In particular, since the mounting means provided at the lower side of the rear edge of the base plate to which a load is applied in the direction of pressing the columns comprises the column contact portion and the insert portion, excellent load bearing strength is obtained and deformation or breakage is obtained. There is no fear of
Further, according to the temporary scaffolding apparatus for temporary scaffolding according to the above 2), the attachment of the connection holding member to the support is performed by the clamping and fixing by the clamp and the insertion of the insert portion into the socket fitting on the front side of the support. In the case of a wedge-binding type scaffold, installation is possible regardless of the type and arrangement of the socket fitting, etc., and the installation target becomes wider. In addition, it is also possible to set all attachment means as a clamp, and also in that case, the morning glory device of this invention can be installed also in a frame scaffold and a single pipe | tube scaffold.

According to the apparatus for temporary scaffolding 3), the connection of the rear end portion of the vertical frame member to the connection portion of the connection holding member is performed by the upper end portion of the base plate and a pair of left and right ends of the rear end portion of the vertical frame member. Since it is performed by connecting the bracket with a bolt and a nut, excellent connection strength can be obtained while having a simple structure, and carrying in a state in which the connection holding member and the vertical frame member are integrated. By doing this, site work can be shortened.
Further, according to the morning glory device of the above 3), the vertical frame member is smoothly rotated by the collar disposed around the shaft of the bolt and loosely inserted into the insertion hole of each bracket.

According to the apparatus for temporary scaffolding according to the above 4), the connection of the rear end portion of the vertical frame member to the connection portion of the connection holding member is performed by two front and rear horizontal pins provided on the upper end of the base plate, and the vertical frame member As the engagement is performed by engagement with the first notches and the arc edge provided on the left and right pair of brackets at the rear end of the joint, the connection operation can be easily performed without a tool, and, for example, It can be carried in to a temporary scaffold in the state which isolate | separated both members, and the connection operation of both members can be performed in a temporary scaffold.
Further, according to the morning glory device of the above 4), a part of the pins on the front side of the base plate is engaged with the second notches provided in the respective brackets of the vertical frame members, whereby the vertical frame members are specified. Since it is held at the turning angle, the vertical frame member and the face material can be held more reliably in cooperation with the support member.

According to the temporary scaffolding morning glory device described in 5) above, the shaft portions of the engagement pins at the rear end of the support member are formed in communication with the lower portion of the base plate in the connection holding member via the guide grooves. Since the lower end portion of the support member is held by the connection holding member by being hooked to the inner end of any locking groove among the locking grooves, the holding structure is simple and manufactured. In addition, the square frame and the face material can be reliably held at a desired angle through the support member, and angle change adjustment can also be easily performed.
In the morning glory device according to the above 5), a communication groove having a width substantially the same as the width of the guide groove and further extending upward from the deep bottom of the uppermost locking groove in the lower portion of the base plate An introduction hole is formed which can be continuous and can pass through the head of the engagement pin, and through the head of the engagement pin through the introduction hole, the shaft portion of the engagement pin passes through the communication groove, and each locking groove and guide groove It may be possible to pass through. Thus, if the introduction hole through which the head of the engagement pin can be inserted is formed in the lower portion of the base plate so as to be continuous with each locking groove and the guide groove via the communication groove, the shaft portion of the engagement pin The operation of passing through each locking groove and guide groove of the base plate is simple, so that, for example, the base plate and the support member are separated and carried to the temporary scaffold, and both are integrated in the temporary scaffold without using tools etc. Work can be done quickly.

  According to the temporary scaffolding morning glory device described in 6) above, the load applied to the edge of the deep bottom of the locking groove through the support member acts in the direction orthogonal to the length direction of the locking groove, so the shaft of the engaging pin The portion is securely held by the deepest edge of the locking groove without inadvertent movement in the locking groove and can be used safely.

According to the temporary scaffolding morning glory device described in 7) above, a rectangular frame is formed by two adjacent vertical frame members and a front horizontal frame member and a rear horizontal frame member fixed to these vertical frames, Since the material is anchored, the overall strength of the device is enhanced and the durability is also improved.
Note that only one of the front horizontal frame member and the rear horizontal frame member may be transferred to two adjacent vertical frame members.

According to the apparatus for temporary scaffolding 8) or 9) according to the temporary scaffolding, provided on the upper surface of the four frame members forming the rectangular frame, in the plurality of eyelets provided in the required places of the mesh sheet forming the face material The work can be easily performed because the face material can be attached to the rectangular frame simply by inserting a plurality of L-shaped pins and folding pins.
Further, according to the morning glory device according to the above 8) or 9), the front and rear ends of the upper surface of the vertical frame member are inserted into the fitting holes of the connection plate provided at the left and right ends of the front and rear horizontal frame members. Since the members are connected simply by inserting the L-shaped pin or the folding pin provided on the part, the connecting operation can be easily performed on site.
Furthermore, according to the morning glory device according to the above 8), for example, the mesh sheet previously attached to the front lateral frame member and the rear lateral frame member is rolled into a roll and carried to the site, and the front lateral frame member is adjacent After connecting to the front ends of the two vertical frame members to be fitted, attach the mesh sheet to both vertical frame members while rewinding, and finally connect the rear horizontal frame members to the rear ends of both vertical frame members for assembly work Can reduce work man-hours in the field.
On the other hand, according to the morning glory device according to the above 9), for example, after the front lateral frame member and the rear lateral frame member are connected to two adjacent vertical frame members, the mesh sheet is attached to these members. Since the mesh sheet, the front lateral frame member and the rear lateral frame member are separated and carried in and sequentially assembled, they are lightweight and easy to handle.

  According to the temporary scaffolding morning glory device according to the above 10), the brace can be easily attached so as to straddle the longitudinal frame member and the front lateral frame member, whereby the strength of the rectangular frame can be further enhanced.

It is a side view of a morning glory device for temporary scaffolding concerning a 1st embodiment of this invention. It is a top view of the same device. It is a side view which expands and shows the connection holding member of the same apparatus. (A) is a top view of the connection holding member, (b) is the top view which notched and showed a part of the connection holding member. It is what expands and shows the connection part of the vertical frame member and front part horizontal frame member in the same apparatus, Comprising: (a) is a top view, (b) is a front view. It is a side view of a morning glory device for temporary scaffolding concerning a 2nd embodiment of this invention. It is a top view of the same device. It is a side view which expands and shows the connection holding member of the same apparatus. It is a top view of the connection holding member. It is what expands and shows the connection part of the vertical frame member and front part horizontal frame member in the same apparatus, Comprising: (a) is a top view, (b) is a front view.

First Embodiment
FIGS. 1 to 5 show a temporary scaffolding morning glory device (1A) according to a first embodiment of the present invention.
Here, the illustrated temporary scaffold (S) is a wedge-type scaffold, and the required number of columns (S1) are spaced apart in two rows in the front and back and in the left and right direction in each row It is done. However, in FIG. 1, only a part of the front row of columns (S1) is shown. A plurality of U-shaped socket fittings (S11) are fixed by welding at predetermined intervals in the vertical direction on the front, rear, left, and right sides of the surface of each support column (S1). The socket fittings (S11) on the front and rear sides and the socket fittings (S11) on the left and right sides are arranged vertically offset (see FIGS. 1 and 3). Wedge-shaped insert fittings (see Fig. 11) hanging down on both ends of the crosspiece (S2) in the socket fittings (S11) facing each other at the predetermined height position of the two columns (S1) aligned in the front and back direction S21) is inserted from above, thereby connecting the two columns (S1) and the cross rail (S2). The hooks (S31) provided at the left and right ends of the step board (S3) are hooked to the two horizontal bars (S2) adjacent to each other on the left and right, thereby stopping the step board (S3) from passing to both the horizontal bars (S2) It is done. In the socket fittings (S11) on the left and right sides facing each other at predetermined height positions of two adjacent columns (S1), wedge-shaped insert fittings (S41) provided in a hanging manner at both ends of the handrail (S4) The handrail (S4) is stopped by being inserted and thereby both pillars (S1).
In addition, the morning glory device of the present invention is not limited to the temporary scaffold (S) of the above-mentioned structure, and can be installed, for example, on other wedge-binding scaffolds, frame scaffolds, and unit price scaffolds different in type and arrangement of socket fittings.

  As shown in FIGS. 1 and 2, the temporary scaffolding morning glory device (1A) according to the first embodiment is a plurality of front row columns (S1) erected at intervals in the left-right direction in the temporary scaffolding (S). A plurality of (here, two) vertical frame members (2) arranged in parallel along the vertical plane in the front-rear direction passing through the center line of each support (S1), and two adjacent vertical A front lateral frame member (3) and a rear lateral frame member (4) respectively secured to the front ends and the rear ends of the frame members (2), and two vertical frame members (2 And a face piece (6) anchored to the rectangular frame (5) formed by the front cross frame member (3) and the rear cross frame member (4) handed to them, A plurality of (here, two) bar-like support members (7) pivotally connected to the front end of each vertical frame member (2) about a horizontal axis extending in the left-right direction, and each support (S1) ) A connecting part which is detachably mounted at a predetermined height position on the front side of the housing, and is rotatably connected to the upper part about a horizontal axis extending in the left and right direction at the rear end of each vertical frame member (2) A holding portion (8b) which has (8a) and can hold the rear end portion of each support member (7) at the lower part when each vertical frame member (2) is at a plurality of predetermined rotational positions. And two (here, two) connection holding members (8).

  1 and 2 show the state where the morning glory device (1A) is installed only in the area between the two columns (S1) in the front row, as shown by the two-dot chain lines in FIGS. In addition, a morning glory device (1A) may be installed so as to further extend to the left and right areas. In this case, the vertical frame member (2), the support member (7), and the connection holding member (8) are shared in adjacent areas.

The vertical frame member (2) is formed of a metal rectangular cylinder or bar and pivots up and down centering on a rear end rotatably connected to the connecting portion (8a) of the connection holding member (8). It is made free.
As shown in detail in FIGS. 3 and 4, at the rear end of the vertical frame member (2), a pair of left and right vertical plate-shaped brackets extending in a rearward direction and disposed at a predetermined distance from each other (211) is provided. In this embodiment, the left and right brackets are constituted by the left and right side walls (211) of the U-shaped fitting (21) comprising the left and right side walls (211) and the bottom wall (212) connecting the front ends. ing. The bottom wall (212) of the U-shaped fitting (21) is joined and fixed to the rear end face of the vertical frame member (2) by welding or the like. The circular insertion hole (211a) which has a predetermined hole diameter is opened in the opposing position of the right-and-left bracket (211) (refer FIG.4 (b)).
The front end of the vertical frame member (2) has a front end and a plurality of length intermediate positions spaced from each other at predetermined intervals (here, a total of four positions including the front end); Form pins (91) are provided. Further, at the rear end portion of the upper surface of the vertical frame member (2), a folding pin (92) having an undulating portion (92a) rotatable around a horizontal axis extending in the left and right direction on the tip end side is provided.
A pair of plate-like mounting brackets (10) are attached to the front end portion of the lower surface of the vertical frame member (2) in a hanging manner at predetermined intervals in the left-right direction (see FIG. 1).

The front cross frame member (3) is made of a metal square tube or square bar. A connection plate (31) is provided in an extended form at each of left and right end portions of the upper surface of the front horizontal frame member (3). As shown in detail in FIG. 5, the connecting plate (31) is substantially rectangular having substantially the same width as the front lateral frame member (3), and one end thereof is the front lateral frame member (3). It is joined and fixed by welding etc. to each right-and-left end of the upper surface. The tip of the connection plate (31) is trapezoidally cut off at both corners. The connection plate (31) is formed with a fitting hole (31a) into which an L-shaped pin (91) at the front end of the upper surface of the vertical frame member (2) is fitted.
A folding pin (92) is provided at a plurality of (here five) length intermediate positions spaced from each other on the upper surface of the front horizontal frame member (3).
The front lateral frame member (3) may be omitted without being used.

The rear cross frame member (4) is also made of a metal square tube or square bar. As shown in detail in FIG. 4, connecting plates (41) are provided in an extended manner at the left and right ends of the upper surface of the rear horizontal frame member (4). The connection plate (41) is formed with a fitting hole (41a) into which the folding pin (92) at the rear end of the upper surface of the vertical frame member (2) is fitted (see FIG. 9).
A folding pin (92) is provided at an intermediate position between a plurality of (five in this case) lengths at predetermined intervals on the upper surface of the rear horizontal frame member (4) (see FIG. 2 etc.).
The rear lateral frame member (4) may be omitted without being used.

As shown in FIGS. 2 and 4, the morning glory device (1A) of this embodiment further includes a brace (11). The brace (11) is provided at its one end with a connecting plate (111) having an insertion hole (111a) into which the folding pin (92) at the rear end of the upper surface of the vertical frame member (2) is inserted Connected at the other end with a fitting hole (111a) into which a folding pin (92) at a predetermined intermediate position (here, the second from the left) of the upper surface of the front cross frame member (3) is fitted A plate (111) is provided in an extended form.
In addition, although it is sufficient if there is at least one bracing (11) for each rectangular frame (5), a total of two may be provided, one on each side. In addition, when the strength required for the rectangular frame (5) can be sufficiently secured by the four frame members (2) (3) (4), the brace (11) may be omitted.

The facing is made of a square mesh sheet (6) having a size capable of covering the square frame (5).
At the periphery of the mesh sheet (6), an L-shape provided on the two vertical frame members (2) constituting the rectangular frame (5), the front horizontal frame member (3) and the rear horizontal frame member (4) A plurality of eyelets (61) are attached to which the pin (91) and the folding pin (92) are respectively fitted (see FIG. 2). That is, L-shaped pins (91) provided at corresponding positions of four frame members (2) (3) (4) constituting the rectangular frame (5) on the plurality of eyelets (61) of the mesh sheet (6) The mesh sheet (6) is attached to the square frame (5) by fitting the folding pin (92).
Further, the mesh sheet (6) has a protruding portion (62) which protrudes to the rear than the rear horizontal frame member (4). The protruding portion (62) is folded upward and attached to the two columns (S1) by, for example, a cord, and the mesh portion (6) and the front surface of the temporary scaffold (S) and the protruding portion (62) There is no gap between them.
In place of the mesh sheet (6), for example, a panel made of FRP may be anchored to the rectangular frame (5) as a face material.

The support member (7) is made of a metal square tube or square bar.
The front end of the support member (7) is rotatably connected to a pair of left and right mounting brackets (10) at the front end of the vertical frame member (2) by a horizontal connecting shaft (16) extending in the left-right direction There is.
An engagement pin (12) is attached to the rear end of the upper surface of the support member (7). The engagement pin (12) is a horizontal shaft (121) partially protruding toward the left or right (here, right) from the upper surface of the support member (7), and the tip of the shaft (121) And the base end side portion of the shaft portion (121) is joined and fixed to the rear end portion of the upper surface of the support member (7) by welding or the like (see FIG. 3). ).

As shown in detail in FIG. 3, each connection holding member (8) is provided with a vertical base plate (80) disposed along a vertical plane in the front-rear direction passing through the center line of each support (S1).
The base plate (80) has upper and lower two rear overhangs (801) (802). The upper rear overhang (801) is formed at the upper end of the rear edge of the base plate (80), and the lower rear overhang (802) is the height of the rear edge of the base plate (80) Is formed near the center. In addition, although weight reduction of the whole base plate (80) is achieved by forming two back extension parts (801) (802), it is not provided but these are made uneven the back side edge of the base plate (80). It may be vertical. A vertical rectangular thin hole (803) is formed in the upper portion of the base plate (80) to reduce the weight. The upper front corner of the base plate (80) is cut obliquely to avoid interference with the swinging vertical frame member (2), but may be left as it is without interference. Further, the lower portion of the front edge of the base plate (80) is formed to be inclined upwards for weight reduction, but may be vertical.
At the tip of the upper rear overhang portion (801), a clamp (81) is provided which is fixed to the support (S1). More specifically, the front side wall portion of a mounting frame (82) having a vertical cross-sectionally U-shaped opening is fixed by welding to the tip edge of the upper rear overhang (801), and a clamp ( One of the two hinged clamp members 81) 81) is fastened by bolts and nuts. The nut is disposed in the U-shaped notch as viewed from the side surface formed at the tip portion of the rear overhang (801).
A substantially U-shaped (or substantially arc-shaped) post contact portion (opened backward) viewed from a plane brought into contact with the front side of the post (S1) at the tip of the lower rear overhang (802) 83) and a downwardly projecting insert portion (84) connected to the lower end of the column contact portion (83). The insert portion (84) is substantially wedge-shaped, with its rear side edge being vertical and its front edge being inclined upward and forward. The insert portion (84) is an optional socket fitting (S11) among the plurality of socket fittings (S11) provided on the front side of the support column (S1), more specifically, the insert fitting (S12) of the cross rail (S2) S21) is inserted from above into the front socket fitting (S11) at the same height position as the rear socket fitting (S11) into which it is inserted. The height position of the post (S1) is increased in strength against bending and the like by the connection with the horizontal crosspiece (S2), so the insert portion (84) of the front socket fitting (S11) at this height position Of the vertical frame member (2) by the connection holding member (8) and the holding state of the support member (7), and hence the rectangular frame (5) and the mesh sheet (6) attached thereto. The mounting condition of is more stable.
A clamp (81) similar to the upper rear overhang (801) is used at the tip of the lower rear overhang (802) instead of the column contact (83) and the insert (84). You may attach it. In that case, the morning glory device (1A) of the present invention can be installed not only on the wedge-type scaffold as illustrated, but also on, for example, a frame scaffold or a single-tubular scaffold.

As shown in FIG. 4, a through hole (85) for forming a connecting portion is formed at the upper end portion of the base plate (80).
Then, the shaft portion (131) of the bolt (13) is inserted through the insertion hole (85) and the insertion holes (211a) of the left and right brackets (211) at the rear end of the vertical frame member (2). A nut (14) is screwed into the end of the portion (131).
Also, in the portion between the head (132) and the base plate (80) in the shaft portion (131) of the bolt (13), and in the portion between the nut (14) and the base plate (80) 15) is fitted. The insertion holes (211a) of the left and right brackets (211) have hole diameters through which the respective collars (15) can be loosely inserted.
With the above configuration, the rear end of the vertical frame member (2) is centered on the horizontal axis (shaft (131) of the bolt (13)) extending in the left-right direction to the connecting part (8a) at the top of the base plate (80). The square frame (5) and the mesh sheet (6) attached thereto are pivotable in the vertical direction.

The shaft portion (121) of the engagement pin (12) provided at the lower end portion of the support member (7) extends in the lower part of the base plate (80) in the vertical direction, more specifically, obliquely upward toward the upper side. A guide groove (861) is formed having a width that can not pass through the head (122) of the engagement pin (12).
Further, in the lower part of the base plate (80), a locking groove (862) for forming a holding portion extended obliquely downward from a predetermined plurality (five in this case) height positions including upper and lower ends in the guide groove (861). Is formed. As the position of the rear end portion of the support member (7) moves in the vertical direction in accordance with the predetermined plural (five in this case) rotation angles of the vertical frame member (2), the engagement pin (12 The shaft portion (121) is locked by the bottom edge of each locking groove (862). As shown in FIG. 3, each locking groove (862) is the center of rotation of the front end of the support member (7) (the center of the connecting shaft (16)) and the edge of the deep bottom of each locking groove (862) Extending in a direction (Y) orthogonal to a straight line (X) connecting the center of the shaft portion (121) of the engaging pin (12) locked thereto, and the inclination angles are different from each other.
Further, a communication groove (863) extending upward from the deep bottom of the uppermost locking groove (862) and having a width substantially the same as the width of the guide groove (861) in the lower portion of the base plate (80) An introduction hole (864) which is continuous with the upper end of (863) and can pass through the head (122) of the engagement pin (12) is formed. Through the head (122) of the engaging pin (12) through the introduction hole (864), the shaft portion (122) of the engaging pin (12) passes through the communicating groove (863), and the respective locking grooves (862) And the guide groove (861). The direction of the communication groove (863) and the arrangement of the introduction hole (864) are not limited to those shown in the drawings, and can be appropriately changed as long as the above-described function can be exhibited.
With the above configuration, the shaft portion (121) of the engagement pin (12) is locked to the edge of the deepest portion of each locking groove (862), and the lower end portion of the support member (7) ) Is held by the holding portion (8b). In the holding state, the inclination angle of the vertical frame member (2) with respect to the horizontal line is such that the shaft portion (121) of the engagement pin (12) is any one of the five locking grooves (862). It changes according to whether it is locked at the edge of the inner bottom, for example, 30 °, 42.5 °, 55 °, 67.5 °, 80 from the lowermost locking groove (862) upward sequentially. It is made .95 degrees. Also, the overhanging margin of the morning glory device (1A), that is, the horizontal distance from the support post (S1) to the tip of the vertical frame member (2) is, for example, 30 ° when the inclination angle of the vertical frame member (2) is minimum. It is made about 1200 mm and about 350 mm when the same angle is 80.95 degrees at the maximum. Of course, the projection allowance of the morning glory device (1A) may be larger or smaller than the above.

As shown in FIG. 1 etc., a reverse U-shaped cord attachment portion (22) (71) is provided on the front end portion of the vertical frame member (2) and the rear end portion of the upper surface of the support member (7). ing.
Then, the string (17) having one end attached to the string attachment portion (22) of the vertical frame member (2) stops passing to the two columns (S1) adjacent to each other at a position above the connection holding member (8) The other hand of the cord (17) is attached to the cord attachment portion (71) of the support member (7) by being hooked from above onto the handrail (S4) being carried and hanging downward. The operator of the strap (17), placed on the tread plate (S3), pulls upwards or downwards, whereby the inclination angle of the rectangular frame (5) and the mesh sheet (6) stretched thereon Can be adjusted.

The above morning glory device (1A) is installed on the temporary scaffold (S), for example, in the following procedure.
That is, first, the required number of vertical frame members (2), front horizontal frame members (3), rear horizontal frame members (4), braces (11), mesh sheet (6), support members (7), connection holding Prepare the member (8) and the string (22), and carry it into the temporary scaffold (S) where the morning glory device (1A) is to be installed. At this time, the rear end portion of the vertical frame member (2) is connected to the connection portion (8a) of the connection holding member (8), and the front end portion of the support member (7) is connected to the front end portion of the vertical frame member (2) And the head (122) of the engagement pin (12) at the lower end of the support member (7) is provided on the holding portion (8b) of the connection holding member (8) (the lower portion of the base plate (80)) The three members (2), (7) and (8) are integrated by moving the shaft portion (121) of the engagement pin (12) to the communication groove (863) through the insertion hole (864). Keep it in a state of Further, one end of the cord (17) is attached to the cord attachment portion (22) at the front end of the vertical frame member (2). The cord (17) is preferably wound around the vertical frame member (2) and the support member (7), so that both members (2) and (7) can be carried in without inadvertently moving it can. Furthermore, a plurality of folding pins (92) in the middle of the length of the front horizontal frame member (3) are fitted into the eyelet (61) of the corresponding portion of the mesh sheet (6), and the length of the rear horizontal frame member (4) The middle folding pins (92) are fitted into the corresponding eyelet (61) of the mesh sheet (6), and the mesh sheet (6) is rolled so that the rear horizontal frame member (4) is on the inside Keep it round.
And the connection holding member (8) is attached to the predetermined height position of several support | pillar (S1) of front row of temporary scaffold (S). Specifically, the insert portion (84) of the connection holding member (8) is inserted into the socket (S11) at a predetermined height position on the front side of the support (S1), and the support contact portion (83) Is brought into contact with the front side of the surface of the column (S1), and the clamp (81) of the connection holding member (8) is tightened and fixed to the column (S1).
Next, the shaft portion (121) of the engagement pin (12) at the lower end portion of the support member (7) is moved from the communication groove (863) to the deep bottom portion of the uppermost locking groove (862). Hold on to the edge. In addition, the string (17) is rewound from the vertical frame member (2) and the support member (7) and dropped downward so as to be positioned rearward of the handrail (S4), and the other end is made of the support member (7). Attach to the strap attachment section (71).
Next, the front horizontal frame member (3) in a state of being integrated with the rolled mesh sheet (6) and the rear horizontal frame member (4) at the front end portions of two adjacent vertical frame members (2) Stop passing. Specifically, L-shaped pins (91) of the front end portions of both vertical frame members (2) are inserted into the insertion holes (31a) of the connection plate (31) provided at both ends of the front horizontal frame member (3) Put in the.
Thereafter, while rewinding the mesh sheet (6), the L-shaped pins (91) provided on the two vertical frame members (2) are fitted into the eyelet (61) of the corresponding portion of the mesh sheet (6) Attach the mesh sheet (6) to both vertical frame members (2).
Next, the rear horizontal frame member (4) in a state of being integrated with the mesh sheet (6) is passed between the rear end portions of two adjacent vertical frame members (2). Specifically, in the insertion holes (41a) of the connection plate (41) provided at both ends of the rear horizontal frame member (4), the folding pins (92) of the rear end portions of both vertical frame members (2) are Fit in
Further, the protruding portion (62) of the mesh sheet (6) is folded upward, and both end portions thereof are fixed to the two columns (S1) with a string or the like.
Finally, for the brace (11), the insertion holes (111a) of the connection plate (111) provided at the both ends are the lengths of the rear end portion of the vertical frame member (2) and the front horizontal frame member (3) By inserting it into the folding pin (92) in the middle position, the two frame members (2) and (3) stop passing obliquely.
Thus, in the temporary scaffold (S), the morning glory device (1A) is easily assembled and installed in a state where it can be opened and closed and the angle can be adjusted.

Second Embodiment
6 to 10 show a temporary scaffolding morning glory device according to a second embodiment of the present invention.
The morning glory device (1B) of this embodiment has substantially the same structure as the morning glory device (1A) of the first embodiment shown in FIGS. 1 to 5 except for the following points. The effect is substantially the same as that of 1A).
That is, as shown in FIG. 6 etc., each vertical frame member (2) of the morning glory device (1B) of the second embodiment is slightly longer than the same member (2) of the first embodiment. , An L-shaped pin (91) having an intermediate length is provided one more (here, a total of five). Further, the front end of each support member (7) is located at the middle of the length of the vertical frame member (2), more specifically, at the middle position between the front end and the central length of the vertical frame (2). It is rotatably connected via a pair of mounting brackets (10). The overhanging margin of the morning glory device (1B), that is, the horizontal distance from the support post (S1) to the tip of the vertical frame member (2) is, for example, 1500 mm when the inclination angle of the vertical frame member (2) is 30 ° at minimum. The degree is about 400 mm when the angle is at a maximum of 80.95 °. However, the protrusion margin of the morning glory device (1B) may of course be larger or smaller than the above.
Further, although the illustrated morning glory device (1B) is not provided with a brace, it may be provided appropriately as needed.

  A bending pin (92) is provided at the front end of the upper surface of the vertical frame member (2), and an L-shaped pin (91) is provided at a plurality of intermediate positions on the upper surface of the front horizontal frame member (3). Provided (see Figures 7 and 10).

As shown in detail in FIGS. 8 and 9, at the rear end of each vertical frame member (2), a pair of left and right vertical plate-shaped brackets extending in a rearward direction and disposed at a predetermined distance from each other (23) is provided. The left and right brackets (23) are formed by welding and fixing one end portions of two metal plate pieces of a predetermined shape to the lower end portions of the left and right side surfaces of the vertical frame member (2). One end of the metal plate has a width substantially the same as the vertical height of the vertical frame member (2), but the remaining portion is projected above the upper surface of the vertical frame member (2) The width has been increased.
On the other hand, at the upper end of the base plate (80), two horizontal pins (871) (872) for forming a connecting portion penetrate the base plate (80) and project to the left and right sides, respectively, Are provided at predetermined intervals.
Then, the left and right brackets (23) of the vertical frame member (2) are formed with first notched portions (231) cut out in a substantially L shape downward from the rear end edge to the tip. The left and right portions of the rear side pin (872) are fitted into the bottom of the first notch (231), and each bracket (23) is made rotatable around the rear side pin (872) ing.
Also, at the lower edge of each of the left and right brackets (23), when the brackets (23) rotate within the range of a predetermined rotation angle about the rear pin (872), the front pin (871) An arc edge (232) slidingly in contact with the surface of the rim and a bracket (23) connected to the front end of the arc edge (232) and having a predetermined rotation angle (the bottom edge of the lowermost locking groove (862) Notch (233) in which the pin (871) on the front side is locked when it is turned to the angle when the shaft portion (121) of the engaging pin (12) is locked to the And are formed.
A substantially semicircular third cutout (234) is formed on the rear side edge of each bracket (23) at a position substantially adjacent to the bottom of the first cutout (231) on the left and right. There is. The third notch (234) is a vertical frame when passing the head (122) of the engagement pin (12) at the lower end of the support member (7) through the introduction hole (864) under the base plate (80). The above operation can be easily performed by fitting the upper portion of the rear pin (872) at the upper end of the base plate (80) into the same notch (234) with the member (2) standing substantially vertically. It has become.

When the above morning glory device (1B) is installed on the temporary scaffold (S), the front end of the support member (7) is connected to the middle of the length of the vertical frame member (2), and both members (2) (7) Is integrated in advance, but is separated from the connection holding member (8). The mesh sheet (6) is also carried into the temporary scaffold (S) in a state where it is not attached to the front lateral frame member (3) and the rear lateral frame member (4). In addition, one end of the cord (17) is attached to the cord attachment portion (22) at the front end of the vertical frame member (2), and the cord (17) is attached to the vertical frame member (2) and the support member (7) Wrap it around.
And after attaching a connection holding member (8) to the predetermined height position of a plurality of pillars (S1) of the front row of temporary scaffolding (S), in the state which stood the vertical frame member (2) almost perpendicularly, 80) Support member (7) while fitting the upper portion of the rear pin (872) at the upper end into the third notch (234) of the left and right brackets (23) at the rear end of the vertical frame member (2) The head (122) of the engagement pin (12) at the lower end of the lower part is passed through the introduction hole (864) provided in the holding part (8b) of the connection holding member (8) (lower part of the base plate (80)). Next, to the first notch (231) of the left and right brackets (23) of the vertical frame member (2), the rear pin (872) at the upper end of the base plate (80) to the bottom of the notch (231) Fit in Thereafter, the shaft portion (121) of the engagement pin (12) is moved to the deep bottom portion of the uppermost locking groove (862) via the communication groove (863), and is hooked to the edge of the same portion. Thus, the rear end portion of the vertical frame member (2) is rotatably connected by the connection portion (8a) of the connection holding member (8), and the lower end portion of the support member (7) is the connection holding member (8) Is held by the holding portion (8b) of
Next, the string (17) is unwound from the vertical frame member (2) and the support member (7) and dropped downward so as to be positioned rearward of the handrail (S4), and the other end is a support member (7) Attach to the strap attachment (71).
After that, the front horizontal frame member (3) and the rear horizontal frame member (4) are passed between the front end and the rear end of two adjacent vertical frame members (2) to form a rectangular frame (5). And hold the mesh sheet (6) on this square frame (5). Further, the protruding portion (62) of the mesh sheet (6) is folded upward, and both end portions thereof are fixed to the two columns (S1) with a string or the like.
Thus, in the temporary scaffold (S), the morning glory device (1B) is easily assembled and installed in a state where it can be opened and closed and the angle can be adjusted.

  The present invention is suitably used as a small-sized simple type morning glory device which is installed on a temporary scaffold in a projecting manner to prevent an accident due to a drop of a material, a tool or the like from the temporary scaffold.

(S): Temporary scaffolding
(S1): Strut
(S11): Socket fitting
(1A) (1B): A morning glory device for temporary scaffolding
(2): Vertical frame member
(211): Bracket (right and left side wall portions of U-shaped bracket)
(211a): Insertion hole
(23): Bracket
(231): first notch
(232): Arc edge
(233): second notch
(3): Front horizontal frame member
(31): Connection plate
(31a): Insertion hole
(4): Rear horizontal frame member
(41): Connection plate
(41a): Insertion hole
(5): Square frame
(6): Mesh sheet (face material)
(61): Eyelet
(7): Support member
(8): Connection holding member
(8a): Connection part
(8b): Holding portion
(80): Base plate
(801): Upper rear overhang
(802): Lower rear overhang
(81): Clamp
(83): Strut abutment portion
(84): Insert part
(85): Insertion hole (connection part)
(861): Guide groove
(862): Locking groove (holding portion)
(863): Communication groove
(864): Introduction hole
(871) (872): Pin (connection part)
(91): L-shaped pin
(92): Folding pin
(92a): undulations
(11): muscle
(111): Connection plate
(111a): Insertion hole
(12): Engaging pin
(121): Shaft portion
(122): head
(13): Bolt
(131): Shaft portion
(132): head
(14): Nut
(15): Color

Claims (10)

A plurality of vertical frame members arranged in parallel along a vertical plane in the front-rear direction passing through a center line of each column, in front of a plurality of columns erected at left and right in the temporary scaffold;
A facing that is anchored to two adjacent vertical frame members,
A plurality of rod-like support members whose front end portions are rotatably connected to the front end portions or the length intermediate portions of the vertical frame members about horizontal axes extending in the left-right direction;
A connection which is detachably mounted at a predetermined height position on the front side of each of the plurality of columns, and is rotatably connected to the upper part about a horizontal axis extending in the left and right direction at the rear end of each vertical frame member And a plurality of connecting and holding members at the lower portion, the holding portions capable of holding the rear end portions of the respective support members when the respective vertical frame members are at predetermined plural rotational positions. And a morning glory device for temporary scaffolding. Each connection holding member is provided with a vertical base plate disposed along a vertical plane in the front-rear direction passing through the center line of each column;
At the upper side of the two predetermined upper and lower places spaced from each other on the rear side edge of the base plate, a clamp to be fastened and fixed to the support is provided, and the lower side is in contact with the front side of the support And an arc supporting post contact portion opened backward as viewed from the plane where the support is open, and a plane connected to the lower end of the post contact portion and formed on the front side of the post at predetermined intervals in the vertical direction And a downwardly projecting insert portion which is inserted from above into any one of a plurality of U-shaped socket fittings.
The temporary scaffold ascoring device according to claim 1, wherein the connecting portion is provided on the upper portion of the base plate, and the holding portion is provided on the lower portion of the base plate. At the rear end of each vertical frame member, there is provided a pair of left and right vertical plate-shaped brackets extending in a rearward direction and disposed at a predetermined distance from each other,
Insertion holes are formed at opposite positions of the left and right brackets, and insertion holes for forming a connecting portion are formed at the upper end of the base plate, and the shaft portions of the bolts are inserted into these three insertion holes Is screwed in,
Collars are fitted on the portions between the head and the base plate in the shaft portions of the bolts and the portions between the nut and the base plate, and the insertion holes of the left and right brackets are for loosely inserting the respective collars. The ascending face apparatus for temporary scaffolds of Claim 2 which has a hole diameter which can be made. At the rear end of each vertical frame member, there is provided a pair of left and right vertical plate-shaped brackets extending in a rearward direction and disposed at a predetermined distance from each other,
At the upper end of the base plate, two horizontal pins for forming a connecting portion are provided at predetermined intervals in the front-rear direction so as to respectively penetrate through the base plate and project to the left and right sides,
The left and right brackets are each formed with a first notch cut out in a substantially L shape downward from the rear edge to the tip, and the left and right portions of the pin on the rear side are fitted into the bottom of the first notch. , Each bracket is made rotatable around the pin on the back side,
Also, at the lower side edge of each of the left and right brackets, an arc edge that makes sliding contact with the surface of the front pin when the brackets rotate within the range of a predetermined rotation angle about the rear pin, The morning glory face for temporary scaffold according to claim 2, further comprising a second notch which is continuous with the front end of the edge and on which the front pin is engaged when the bracket is rotated to a predetermined rotation angle. apparatus. Attached to the rear end of each support member is an engagement pin having a horizontal shaft projecting toward either left or right and a head provided at the tip of the shaft,
At the lower part of the base plate, a guide groove is formed which extends in the vertical direction and has a width through which the shaft portion of the engagement pin can pass but not the head of the engagement pin.
Further, in the lower portion of the base plate, locking grooves for forming a holding portion which are extended obliquely downward and forward from predetermined height positions including upper and lower ends in the guide groove are formed, and predetermined times of predetermined number of vertical frame members According to movement of the rear end of the support member in the vertical direction according to the movement angle, the shaft of the engagement pin can be locked by the edge of the deep bottom of each locking groove The morning glory device for temporary scaffolds according to any one of claims 2 to 4.   Each locking groove extends in a direction perpendicular to a straight line connecting the center of rotation of the front end of the support member and the center of the shaft of the engaging pin locked to the deep end of each locking groove. A morning glory device for temporary scaffolding according to claim 5.   The apparatus further comprises a front horizontal frame member and a rear horizontal frame member respectively secured to the front end portion and the rear end portion of two adjacent vertical frame members, and the face material comprises two adjacent vertical frame members and A temporary scaffolding morning glory device according to any one of claims 1 to 6, which is anchored to a rectangular frame formed by a front cross frame member and a rear cross frame member anchored to them. An L-shaped pin whose front end is directed forward is provided at the front end of the upper surface of each vertical frame member and at a plurality of intermediate positions at a predetermined distance from each other,
The rear end of the upper surface of each vertical frame member and a plurality of length intermediate positions spaced apart from each other on the upper surface of the front horizontal frame member and the rear horizontal frame member, turn around the horizontal axis on the tip side A folding pin with a flexible relief is provided,
The face material is made of a mesh sheet having a size capable of covering a rectangular frame, and provided at the periphery of the mesh sheet to two vertical frame members constituting the rectangular frame, a front horizontal frame member and a rear horizontal frame member A plurality of eyelets are fitted, into which are fitted L-shaped pins and folding pins respectively,
A connecting plate having an insertion hole into which an L-shaped pin at the front end of the upper surface of the vertical frame is inserted is provided in an extended manner at each of left and right ends of the upper surface of the front horizontal frame. 8. The temporary scaffold ascoring device according to claim 7, wherein the left and right end portions are extendedly provided with connection plates having insertion holes into which the folding pins of the rear end portions of the upper surfaces of the vertical frame members are inserted. The tip is directed forward to a plurality of length intermediate positions spaced apart from one another on the upper surface of each vertical frame member and a plurality of length intermediate positions spaced apart from one another on the upper surface of the front lateral frame member An L-shaped pin is provided,
The front end portion and the rear end portion of the upper surface of each vertical frame member, and a plurality of length intermediate positions spaced apart from each other on the upper surface of the rear horizontal frame member, can be pivoted on the front end side about the horizontal axis A folding pin with a part is provided,
The face material is made of a mesh sheet having a size capable of covering a rectangular frame, and provided at the periphery of the mesh sheet to two vertical frame members constituting the rectangular frame, a front horizontal frame member and a rear horizontal frame member A plurality of eyelets are fitted, into which are fitted L-shaped pins and folding pins respectively,
A connection plate having an insertion hole into which the folding pin on the front end of the upper surface of the vertical frame member is inserted is provided in an extended manner at each of left and right ends of the upper surface of the front horizontal frame member. 8. The temporary scaffold ascoping device according to claim 7, wherein a connecting plate having an insertion hole into which the folding pin of the rear end of the upper surface of the vertical frame member is inserted is provided at each end in an extended state.   A connecting plate having an insertion hole into which the folding pin of the rear end portion of the upper surface of the vertical frame member is inserted is provided in an extended shape at one end portion, and at the other end, a predetermined surface of the front horizontal frame member 10. The temporary scaffold ascoring device according to claim 8 or 9, further comprising a brace provided with a connecting plate having an insertion hole into which the folding pin or the L-shaped pin in the middle position is inserted.

Images