JP2009275348A - Baseboard for scaffold board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a baseboard, the lower edge portion of which is constantly placed on the top surface of a beam side end of a scaffold board by changing an mounting angle of the baseboard depending on the widths of gaps, when the different gaps are formed at the beam side end of the scaffold board because the widths of the board differ from one another in accordance with the size of a building frame by making the mounting angle of the baseboard variable. <P>SOLUTION: The baseboard 1 is mounted along the beam side end of the scaffold board 7, on a safety handrail 5 which is installed between opposed pier studs 9 and 9 of the adjacent building frames 12 of the prefabricated scaffolding. The baseboard 1 has a tabular baseboard body 2; baseboard mounting fittings 3 and 4 are pivoted to both upside ends of the baseboard body 2, respectively; both baseboard mounting fittings 3 and 4 are provided with fixing means 6 for fixing the baseboard mounting fittings 3 and 4 to the safety handrail 5, respectively; and an angle attitude holding means 8 for holding the baseboard body 2 in a required angle attitude so that the lower edge portion of the baseboard body 2 can be placed on the top surface of the beam side end of the scaffold board 7 is interposed between each of the baseboard mounting fittings 3 and 4 and the baseboard body 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a baseboard for a scaffolding board arranged along the spar side end of a scaffolding board in a framed scaffold, and in particular, when assembling a framed scaffold, from an existing lower stage side scaffolding board, a newly installed upper stage side The present invention relates to a baseboard for a scaffold board that is used by being attached to a safety handrail installed between adjacent pedestals of adjacent building frames as a preceding handrail of a scaffold board.

  Although publicly known documents such as patent gazettes cannot be specifically mentioned as conventional scaffolding board skirting boards, conventionally, baseboards that are used by attaching to safety handrails always have an attachment angle perpendicular to the upper surface of the scaffolding board. Is attached to a safety handrail.

  As described above, the conventional baseboard is attached to the safety handrail so that the mounting angle with respect to the top surface of the scaffolding plate is always vertical. Therefore, the width of the scaffolding plate varies depending on the size of the building frame used. In order to cover the gaps when different gaps are created at the end of the girders, a plurality of baseboards can be installed vertically on the upper face of the girders end of the scaffolding plate even if the board has different widths. There was a need for a type of skirting board installation, which was costly.

  In the present invention, in view of the above circumstances, by changing the mounting angle of the baseboard, when the width of the scaffolding plate is different depending on the size of the building frame, a different gap is formed at the end of the spar of the scaffolding plate. An object of the present invention is to provide a skirting board in which the attachment angle of the skirting board is changed according to the gap width, and the lower edge of the skirting board is always placed on the upper surface of the end of the spar side of the scaffolding board.

  Means for solving the above-described problems will be described with reference numerals in the embodiments described later. The invention according to claim 1 is configured such that the adjacent pillars 9, 9 of the adjacent building frames 12 of the frame scaffolding are provided. A skirting board 1 attached to a safety handrail 5 to be installed along a girder-side end portion of a scaffold board 7, having a base plate-like baseboard body 2, and both upper side ends of the baseboard body 2 The baseboard mounting brackets 3 and 4 are pivotally attached to the two baseboard mounting brackets 3 and 4, and the baseboard mounting brackets 3 and 4 are fixed to the left and right vertical frames 5 a and 5 b of the safety handrail 5. 6 and between the base plate mounting brackets 3 and 4 and the base plate body 2, the base plate 2 is placed so that the lower end edge 2 a of the base plate body 2 is placed on the upper surface of the end of the beam side end of the scaffold plate 7. It is characterized in that it is provided with an angle posture holding means 8 for holding the main body 2 in a required angle posture.

  Claim 2 is the baseboard for scaffolding board according to claim 1, wherein the fixing means 6 is provided on one baseboard mounting bracket 3, and one of the left and right vertical frames 5 a and 5 b of the safety handrail 5 is provided. It comprises a fitting member 18 fitted to the vertical frame 5a, and a clamp 19 provided on the other baseboard mounting bracket 4 and gripping the other vertical frame 5b. A receiving bracket 20 that receives the peripheral surface portion of the frame 5 b, a lock lever 21 that is pivotally attached to the receiving bracket 20, and a base end portion that is pivotally attached to a middle portion in the longitudinal direction of the lock lever 21. And a locking hook 24 made of a leaf spring that is engaged with the peripheral surface portion opposite to the peripheral surface portion, and the locking lever 24 is rotated in one direction so that the locking hook 24 is connected to the vertical frame 5b. Rotate the lock lever 21 in the other direction after engaging with Therefore characterized by comprising so as to lock the locking hooks 24 to engage mating state.

  Claim 3 is the skirting board for scaffolding board according to claim 1 or 2, wherein the angular posture holding means 8 is supported on the upper side of the baseboard body 2 so as to be slidable in the longitudinal direction thereof, and A pair of locking pins 26, 27 projecting in an L shape from both ends of the rod 25 positioned in the vicinity of the both skirting brackets 3, 4, respectively, and the locking pins 26, 27 facing the locking pins 26, 27. A plurality of angle changing pin holes a, b, c provided on both skirting board mounting brackets 3, 4 and tip portions 26o, 27o of the respective locking pins 26, 27 are provided on the skirting board mounting brackets 3, 4 respectively. It comprises a rod biasing spring 28 that biases the rod 25 in one direction so as to enter the pin holes a, b, c.

The effect of the invention by the above solution will be described with reference numerals of the embodiments described later. According to the invention according to claim 1, the skirting board body 2 is attached to the left and right vertical frames 5a and 5b of the safety handrail 5. Since the angle is variable, depending on the size of the building frame 12, when the plate width of the scaffolding plate 7 spanned over the building frame 12 is different and there are gaps with different widths at the end of the beam side of the scaffolding plate 7, By changing the mounting angle of the skirting board body 2 according to the gap width, the lower edge 2a of the skirting board body 2 can always be placed on the upper surface of the end of the beam side end of the scaffolding plate 7, thereby The function as can be effectively exhibited.

  According to the second aspect of the present invention, the fixing means 6 is provided on one of the baseboard mounting brackets 3 and is fitted to the fitting member 18 fitted to one of the left and right vertical frames 5a and 5b. The clamp 19 is provided on the other baseboard mounting bracket 4 and grips the other vertical frame 5b. The clamp 19 receives the peripheral surface portion of the other vertical frame 5b, and the bracket 20 A lock lever 21 having one end pivotally attached thereto, and a base end is pivotally attached to an intermediate portion of the lock lever 21 and is engaged with a peripheral surface portion opposite to the peripheral surface portion received by the receiving metal fitting 20. The locking hook 24 is made of a leaf spring. The lock lever 21 is rotated in one direction to engage the locking hook 24 with the vertical frame 5b, and then the lock lever 21 is rotated in the other direction. Because the locking hook 24 is locked in the engaged state by Right and left vertical frame 5a of the safety handrail 5 wood mounting bracket 3 and 4, it is possible to easily easily fixed to the required height position of 5b.

  According to the invention of claim 3, the angle / posture holding means 8 is provided with a rod 25 slidably supported on the upper side of the baseboard body 2, and projecting in an L shape at both ends of the rod 25. A plurality of, for example, three angle changing pin holes a, b, c provided on the pair of locking pins 26, 27 on both sides and the baseboard mounting brackets 3, 4 facing the locking pins 26, 27, respectively. The end portions 26o, 27o of the locking pins 26, 27 are composed of springs 28 that urge the rod 25 in one direction so as to enter the pin holes a, b, c of the base plate mounting brackets 3, 4. However, since the structure is simple and the number of parts is small, the operation is simple, the skirting board main body 2 can be securely held at a required angle, and the manufacture becomes easy.

  A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 (a) is a front view showing the mounting state of the entire baseboard, (b) is a side view, and FIG. 2 is a plan view. It is. 3 is an enlarged view of the main part of FIG. 1 (a), FIG. 4 is an enlarged view of the main part of FIG. 1 (b), and FIG. 5 is an enlarged view of the main part of FIG. A skirting board 1 according to the present invention has a skirting board main body 2 made of an aluminum face plate, and skirting board mounting brackets 3 and 4 are pivotally attached to both ends of the upper side of the skirting board main body 2, respectively. The mounting brackets 3, 4 are provided with fixing means 6 for fixing the baseboard mounting brackets 3, 4 to the required height positions of the left and right vertical frames 5 a, 5 b of the safety handrail 5. , 4 and the skirting board body 2, the skirting board body 2 is held in a required angular posture so that the lower end edge 2 a of the skirting board body 2 is placed on the upper surface of the end of the scaffolding plate 7. For this purpose, an angular posture holding means 8 is provided.

  As shown by the phantom line in FIG. 1, the safety handrail 5 is a building comprising a pair of leg posts 9 and 9, a horizontal member 10 connecting the upper ends of the leg posts 9 and 9, and reinforcing members 11 and 11. When assembling the frame scaffolding with the frame 12 (see FIG. 8) facing each other and assembling the scaffolding plate 7 over the horizontal members 10 and 10 of both building frames 12 and 12 by hooks 7a and 7a, From the board 7, as a leading handrail of the newly installed upper stage scaffolding board 7 (not shown), it is installed via the attachment means 15 between the opposing pedestals 9, 9 of the adjacent building frames 12, 12. It consists of left and right vertical frames 5a and 5b, upper and lower horizontal frames 5c and 5d, and vertical and horizontal middle bars 5e and 5f.

  As can be seen from FIGS. 3 to 5, the two baseboard mounting brackets 3, 4 are respectively provided with bolts 16 as pivots on mounting pieces 13, 14 fixed to both ends of the upper side of the baseboard body 2 with rivets r. , 16, and both pivotally connected portions are connected by a connecting frame 17 made of steel pipe.

  As shown in FIGS. 3 and 5, the fixing means 6 is fixed to one of the skirting board mounting brackets 3 and 4, and the left and right vertical frames 5 a and 5 b of the safety handrail 5. The U-shaped fitting member 18 in a plan view is fitted to one of the vertical frames 5a, and the clamp 19 is provided on the other baseboard mounting bracket 4 and holds the other vertical frame 5b.

  As shown in FIGS. 6A to 6D, the clamp 19 includes a receiving metal 20 that receives the peripheral surface portion of the other vertical frame 5 b of the left and right vertical frames 5 a and 5 b of the safety handrail 5, and the receiving metal A lock lever 21 having one end portion 21a pivotally attached to a pivot shaft 22, and a peripheral surface portion having a base end portion pivotally attached to a longitudinal intermediate portion of the lock lever 21 by a pivot shaft 23 and received by a receiving bracket 20. The hook portion 24a is engaged with the opposite peripheral surface portion, and the hook 24 is formed of a leaf spring. The bracket 20 is composed of a vertical piece 20a fixed to the baseboard mounting bracket 4 and a horizontal piece 20b on which one end 21a of the lock lever 21 is pivotally attached. The peripheral surface portion of the vertical frame 5b is received at one end edge of the horizontal piece 20b, and an arcuate engagement portion 20o is formed at one end edge of the horizontal piece 20b. Further, a handle 21 b is projected from the other end of the lock lever 21.

  The action of the clamp 19 will be described. FIG. 6A shows a state when the clamp 19 is not used, that is, a state when packing. In this state, the locking hook 24 holds the vertical frame 5b of the safety handrail 5. The lock lever 21 is in a state where it can be gripped, and the lock lever 21 is in a state parallel to the vertical piece 20a of the metal fitting 20 to lock the locking hook 24 in the closed position. Then, when the lock lever 21 in the state (a) is turned in the direction of the arrow in the figure, the locked state of the locking hook 24 made of a leaf spring is released, and after that, the hook portion 24a of the locking hook 24 is released. By pulling the handle 21b side of the lock lever 21 in the direction of the arrow (b) while turning the side as shown in the solid line (b) and further in the phantom line, the locking hook 24 is opened.

  Therefore, when the vertical frame 5b of the safety handrail 5 is gripped, the handle 21b of the lock lever 21 is raised from the state shown in FIG. 6B in the direction opposite to the arrow shown in FIG. If the locking hook 24 is tilted forward while turning as shown by the arrow (c) to the state shown in (c), the locking hook 24 is in a state where the hook portion 24a can grip the vertical frame 5b. Therefore, from this state, the lock lever 21 is turned in the direction opposite to the direction of the arrow (c) to obtain the state shown in (d), whereby the vertical frame 5b is moved by the spring action of the hook portion 24a of the locking hook 24. It can be elastically gripped or locked. When releasing the holding of the vertical frame 5b by the clamp 19, an operation opposite to the above-described holding operation may be performed.

  Next, the angle posture holding means 8 will be described. The angle posture holding means 8 swings vertically on the left and right vertical frames 5a and 5b of the safety handrail 5 through the baseboard mounting brackets 3 and 4 and the fixing means. As shown in FIGS. 8 (a) to 8 (c), the bottom board body 2 that can be attached to the scaffolding board 7 that spans the building frame 12 of different sizes is attached to the lower end of the base board body 2 that can be attached. A rod that is held in a required angular posture so that the edge 2a is placed on the upper surface of the end of the spar side of the scaffolding plate 7 and is supported on the upper side of the baseboard body 2 so as to be slidable in the longitudinal direction. 25, a pair of locking pins 26, 27 projecting in an L-shape from both ends of the rod 25 located in the vicinity of the both baseboard mounting brackets 3, 4, and both locking pins 26, 27, A plurality of angle changing pin holes a, b, c provided on the opposite skirting board mounting brackets 3, 4 (see FIG. With a rod that urges the rod 25 in one direction so that the end portions 26o, 27o of the locking pins 26, 27 enter the pin holes a, b, c of the base plate mounting brackets 3, 4, respectively. A biasing coil spring 28. 3 and 5, the rod 25 is slidably supported through the attachment pieces 13 and 14 fixed to both ends of the upper side of the baseboard body 2, and is attached to one end of the rod 25. A rod urging coil spring 28 is fitted and appropriately tightened with a nut 41 to apply a unidirectional urging force to the rod 25. When the end portions 26o, 27o of the locking pins 26, 27 are inserted into the required pin holes of the pin holes a, b, c of the base plate mounting brackets 3, 4, the rod 25 is attached to the coil spring 28. Pull it against the power.

  Of the pin holes a, b, and c provided in the base metal mounting brackets 3 and 4, the pin hole a is used as the scaffolding base body 2 as shown in FIGS. 7 (a) and 8 (a). 7 is a hole into which the front end portions 26a and 27b of the locking pins 26 and 27 are inserted so as to be held in a posture of θ1 (for example, 90 ° at right angles) with respect to the upper surface of the plate 7. ) And the tip end portion 26a of each locking pin 26, 27 so as to hold the skirting board body 2 in an inclined posture of θ2 (for example, 80 °) with respect to the upper surface of the scaffolding plate 7, as shown in FIG. 27b, and the pin hole c is inclined by θ3 (for example, 63 °) with respect to the upper surface of the scaffolding plate 7 as shown in FIGS. 7 (c) and 8 (c). It is a hole into which the end portions 26a and 27b of the locking pins 26 and 27 are inserted so as to be held in the posture.

  Further, the attachment means 15 for attaching the safety handrail 5 to the opposing pedestals 9 and 9 of the adjacent building frames 12 and 12 will be described. The attachment means 15 is a safety device as shown in FIG. A positioning hook 30 that is attached to the middle part of the left and right vertical frames 5a and 5b of the handrail 5 and is hooked on the horizontal member 10 of the building frame 12, and the lower ends of the vertical frames 5a and 5b of the safety handrail 5 And a lower fixing bracket for fixing the safety handrail 5 to the lower side of the pedestal 9 of the upper building frame 12. 40.

  As shown in FIGS. 9A to 9D, the positioning hook 30 of the attaching means 15 is provided on the lower side of the distal end portion of the attachment arm 30a attached to the vertical frames 5a and 5b. 10 has a hook portion 30b that is fitted and latched from above, and on the upper end of the mounting arm 30a, the safety handrail 5 is reversed when the safety handrail 5 is attached or removed. A hook portion 30c that is fitted and locked to the horizontal member 10 is formed.

  The lower fixing bracket 40 and the upper fixing bracket 50 have the same structure, and details thereof are shown in FIGS. FIG. 10 is a front view when the fixing brackets 40 and 50 are in the fixing position, and FIG. 11 is a plan view. FIG. 812 is a front view when the fixtures 40 and 50 are in the storage position.

  Referring to FIGS. 10 to 12, the fixing brackets 40 and 50 are detachably engaged with the attachment members 36 fixed to the vertical frames 5 a and 5 b of the safety handrail 5 and the leg pillars 9 of the building frame 12. A pedestal engaging portion 37 is provided at one end, and a fixed position where the pedestal engaging portion 37 engages with the pedestal 9 and the pedestal engaging portion 37 is detached from the pedestal 9 and the safety handrail 5 is vertically installed. A rotating member 38 pivotally attached to the mounting member 36 by a pivot 48 so as to be rotatable between the storage positions folded and stored along the frames 5a and 5b, and the rotating member 38 at a fixed position and a storage position. And locking means 39 for locking. The other end of the rotating member 38, that is, the end opposite to the pedestal engaging portion 37 is engaged with the vertical frames 5a and 5b of the safety handrail 5 at the fixed position, and the vertical frames 5a and 5b at the storage position. A vertical frame engaging portion 45 is provided to be separated from the vertical frame.

  The locking means 39 of each of the fixing brackets 40 and 50 is adapted to elastically contact the engaging protrusion 41 on one side of the sliding contact surface portion between the mounting member 36 and the rotation member 38 with the spring 60 on the other sliding contact surface portion side. In addition, when the rotation member 38 is rotated to the fixed position and the storage position on the other sliding contact surface portion side, the engaging protrusion 41 is engaged and the rotation member 38 is fixed to the fixed position and the storage position. The fixed position lock hole 42A and the storage position lock hole 42B are provided.

  By rotating the rotating member 38 by 90 ° from the storage position shown in FIG. 12, the leg column engaging portion 37 of the rotating member 38 engages with the leg column 9 of the building frame 12 and at the same time, the vertical frame engaging portion. 45 is engaged with the vertical frames 5a and 5b of the safety handrail 5, and at the same time, the tip hemispherical portion of the engaging protrusion 41 is engaged with the lock hole 42A for the fixed position of the rotating member 38. The position 38 is changed from the storage position to the fixed position and simultaneously locked to the fixed position, and the state shown in FIG. 10 is obtained.

  The skirting board 1 configured as described above attaches the baseboard mounting brackets 3 and 4 at both ends of the upper side of the baseboard body 2 to the left and right vertical frames 5a and 5b of the safety handrail 5 via the fixing means 6. Keep it. In this state, the skirting board 1 can swing through the skirting board mounting brackets 3 and 4 attached to the left and right vertical frames 5a and 5b. Therefore, when assembling the frame scaffolding, when the safety handrail 5 is installed between the opposing pedestals 9 and 9 of the adjacent building frames 12 and 12, the safety frames 5 are laid on the opposite horizontal members 10 and 10 of the building frames 12 and 12. The vertical frame 5a so that the lower end edge 2a of the baseboard body 2 is placed on the upper surface of the spar side end of the scaffold plate 7 according to the gap width formed at the spar side end of the passed scaffold plate 7. , 5b, the baseboard body 2 is held at a required angular posture by the angular posture holding means 8 while adjusting the mounting height of the baseboard mounting brackets 3, 4.

  8 (a) to 8 (c) show different gaps at the end of the girder side of the scaffolding plate 7 spanned over the building frame 12 because the frame width of the building frame 12 and the plate width of the scaffolding plate 7 are different. It shows that the width is possible, (a) when using a building frame 12 with a narrow frame width W1 (610 mm), (b) when using a building frame 12 with a slightly wider frame width W2 (914 mm), ( c) is a case where a building frame 12 having a wide frame width W1 (1219 mm) is used. In the case of the building frame 12 of (a), a scaffold plate 7A having a plate width of 500 mm is used. The gap width S1 formed at the end on the spar side is about 50 mm. In the case of the building frame 12 of (b), since two pieces of the scaffolding plate 7A having a plate width of 500 mm and the scaffolding plate 7B having a plate width of 240 mm are used, it is formed at the end of the spar of the scaffolding plates 7A and 7B. The gap width S2 is about 85 mm. Further, in the case of the building frame 12 of (c), if two scaffolding plates 7A having a plate width of 500 mm are used, the gap width S3 formed at the end of the spar of the two scaffolding plates 7A, 7A is about It becomes the widest with 140 mm.

  In the skirting board 1 according to the present invention described above, different gap widths S1, S2, and S3 are formed at the end portions of the girder side of the scaffold board 7 depending on the size of the building frame 12 and the scaffold board 7 used as described above. Even in this case, such gap widths S1, S2, and S3 can be covered.

  FIG. 7 (a) shows details of the example of FIG. 8 (a). FIG. 7A shows the case where the width of the gap formed at the end of the spar side of the scaffolding plate 7 is the smallest S1. First, the baseboard of the baseboard body 2 with respect to the left and right vertical frames 5a and 5b of the safety handrail 5 is shown. While confirming the mounting position of the mounting brackets 3 and 4, the lower edge 2a of the skirting board body 2 is placed on the upper surface of the end of the spar side of the scaffolding plate 7, and in this state, the skirting bracket mounting brackets 3 and 4 are fixed. 6 is held at the required height position of the left and right vertical frames 5a and 5b, and the skirting board main body 2 is held at the required angle posture by the angle posture holding means 8. In this case, the baseboard body 2 is attached to the scaffolding plate 7 by causing the distal end portions 26a, 27b of the locking pins 26, 27 of the angle posture holding means 8 to protrude into the pin holes a of the baseboard mounting brackets 3, 4. The angle θ1 with respect to the upper surface is maintained in a posture of 90 ° at a right angle, for example.

  FIG. 7 (b) shows in detail the example of FIG. 8 (b) in the case of S2 in which the width of the gap formed at the end of the scaffolding plate 7 on the spar side is slightly wider. The baseboard mounting brackets 3 and 4 are held at the required height positions of the left and right vertical frames 5a and 5b by the fixing means 6 in a state where the lower end edge 2a of the wooden body 2 is placed on the upper surface of the end portion of the beam side of the scaffold plate 7. At the same time, the baseboard body 2 is held in an inclined posture at an angle θ2 with respect to the upper surface of the scaffold plate 7. In this case, the inclination angle θ2 of the baseboard body 2 can be obtained by causing the tip end portions 26a and 27b of the locking pins 26 and 27 of the angle posture holding means 8 to enter the pin holes b of the baseboard mounting brackets 3 and 4, respectively. For example, it is 80 °.

  FIG. 7 (c) shows the details of the example of FIG. 8 (c) in the case of S3 in which the gap formed at the end of the spar side of the scaffolding plate 7 has the largest width. The base metal mounting brackets 3 and 4 are fixed to the required height positions of the left and right vertical frames 5a and 5b by the fixing means 6 in a state where the lower end edge 2a of the wooden body 2 is placed on the upper surface of the spar side end portion of the scaffold plate 7. At the same time, the skirting board body 2 is held in an inclined posture at an angle θ3 with respect to the upper surface of the scaffolding plate 7. In this case, the inclination angle θ3 of the baseboard main body 2 is obtained by causing the tip end portions 26a and 27b of the locking pins 26 and 27 of the angle posture holding means 8 to enter the pin holes c of the baseboard mounting brackets 3 and 4, respectively. For example, it is 63 °.

  According to the baseboard 1 of the embodiment described above, the mounting angle of the baseboard body 2 with respect to the left and right vertical frames 5a and 5b of the safety handrail 5 can be changed, so By changing the mounting angle of the baseboard body 2 according to the clearance width when the width of the scaffolding plate 7 to be bridged is different and there is a gap of different width at the end of the beam side of the scaffolding plate 7, The lower end edge 2a of the wood main body 2 can always be placed on the upper surface of the end portion of the spar side of the scaffolding plate 7, whereby the function as the baseboard 1 can be effectively exhibited.

    Further, according to this skirting board 1, the fixing means 6 is provided on one skirting board mounting bracket 3, and is supported and guided along one vertical frame 5a of the left and right vertical frames 5a, 5b. And a clamp 19 that is provided on the other baseboard mounting bracket 4 and grips the other vertical frame 5b. The clamp 19 receives a peripheral surface portion of the other vertical frame 5b, and a receiving bracket 20 A lock lever 21 whose one end is pivotally attached to the metal fitting 20, and a base end is pivotally attached to an intermediate portion of the lock lever 21, and is engaged with a peripheral surface portion opposite to the peripheral surface portion received by the metal fitting 20. And the locking lever 24 is rotated in one direction, the locking hook 24 is engaged with the vertical frame 5b, and then the locking lever 21 is moved in the other direction. Lock the locking hook 24 in the engaged state by turning Because was so that can be easily easily fixed to the left and right vertical frame 5a, the required height position of the 5b of the safety handrail 5 skirting mounting bracket 3,4.

  Further, in this skirting board 1, the angle posture holding means 8 includes a rod 25 that is slidably supported on the upper side of the skirting board body 2, and both sides projecting in an L shape at both ends of the rod 25, respectively. A pair of locking pins 26, 27, and three angle changing pin holes a, b, c provided in the skirting board mounting brackets 3, 4 opposed to the locking pins 26, 27, respectively, It comprises a spring 28 that biases the rod 25 in one direction so that the tip portions 26o, 27o of the pins 26, 27 enter into the pin holes a, b, c of the base plate mounting brackets 3, 4, respectively. Since the number of parts is small and the number of parts is small, the operation of attaching the baseboard body 2 is easy, the baseboard body 2 can be securely held at a required angle, and the manufacture becomes easy. In this embodiment, each of the baseboard mounting brackets 3 and 4 is provided with three angle changing pin holes a, b and c. However, the number of angle changing pin holes is two or more and any number. be able to.

(a) is the front view which shows the attachment state of the whole skirting board, (b) is a side view. It is a top view of the whole skirting board shown to (a) of FIG. It is a principal part enlarged view of (a) of FIG. It is a principal part enlarged view of (b) of FIG. FIG. 3 is an enlarged view of a main part of FIG. 2. (a)-(d) is explanatory drawing which shows the usage method of the clamp of a fixing means. (a)-(c) is explanatory drawing which shows the usage pattern of a baseboard. (a)-(c) is explanatory drawing which shows three types of building frames from which size differs. (a) and (b) are front views showing positioning hooks provided on the left and right vertical frames of the safety handrail, respectively. (c) and (d) are plan views of the positioning hooks shown in (a) and (b), respectively. It is. It is an enlarged front view of the upper and lower fixing brackets in the fixing position. It is an enlarged plan view of the upper and lower fixing brackets in the fixing position. It is an enlarged front view of the upper and lower fixing brackets in the storage position.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 skirting board 2 skirting board main body 2a lower end edge part 3 of baseboard main body 3, baseboard mounting bracket 5 safety handrail 5a, 5b safety handrail vertical frame 6 fixing means 7 scaffolding board 8 angle posture holding means 9 pedestal of building frame 10 Horizontal frame of building frame 12 Building frame

Claims (3)

  A skirting board attached to a safety handrail installed between opposing pedestals of adjacent building frames of a framework scaffolding so as to be along the girder side end of the scaffolding board, and having a baseboard-like baseboard body, Each skirting board mounting bracket is pivotally attached to both ends of the upper side of the skirting board body, and both skirting board mounting brackets are provided with fixing means for fixing these skirting board mounting brackets to the left and right vertical frames of the safety handrail. Angular posture maintenance that holds the baseboard body in the required angle posture between the baseboard mounting bracket and the baseboard body so that the lower edge of the baseboard body rests on the upper surface of the end of the beam side of the scaffolding board Scaffolding board for scaffolding board that is provided with means.   The fixing means is provided in one baseboard mounting bracket, and is provided in a fitting member fitted to one vertical frame of the left and right vertical frames of the safety handrail, and the other baseboard mounting bracket, The clamp includes a clamp that holds the other vertical frame. The clamp includes a receiving metal that receives the peripheral surface of the other vertical frame, a lock lever that is pivotally attached to the receiving metal, and an intermediate portion in the longitudinal direction of the lock lever. The base end part is pivotally attached to the part, and it is composed of a locking hook made of a leaf spring engaged with the peripheral surface part opposite to the peripheral surface part received by the receiving metal fitting, and the lock lever is rotated in one direction. 2. The scaffolding plate according to claim 1, wherein the locking plate is locked in the engaged state by moving the locking hook into the vertical frame and then rotating the lock lever in the other direction. Skirting board.   The angle posture holding means protrudes in an L-shape from both ends of the rod, which is supported on the upper side of the baseboard body so as to be slidable in the longitudinal direction, and the rods located in the vicinity of the both baseboard mounting brackets. A pair of locking pins on both sides, a plurality of angle changing pin holes provided in the skirting board mounting brackets opposed to the both locking pins, and a tip of each locking pin is a pin hole of each skirting board mounting bracket The baseboard for a scaffolding board according to claim 1 or 2, comprising a rod urging spring that urges the rod in one direction so as to enter into the frame.

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