Method for installing a support frame, and method for installing a workpiece.

Abstract

To provide a method for installing a support frame that does not require a large work area around a building to be constructed, can be easily and inexpensively installed with almost no fastening work, and can be used for construction on the roof or exterior wall of the building, an installation structure thereof, and a method for installing a work body.SOLUTION: A method for installing a support frame 1 of the present invention includes a first step in which a reference angle material 2 is fixed horizontally in accordance with markings formed on a roof surface A, a second step in which the end of a support member 4 having a vertical support 4A is fixed to the reference angle material 2 with a presser metal fitting 3, and a third step in which rail materials 5A and 5B spaced apart in the height direction are fixed in an erected manner between columns 4A and 4A of adjacent support members 4 and 4'.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to a method for installing a support scaffold that does not require a large working area around a building to be constructed, can be easily and cheaply installed almost without fastening work, and can be used for construction of a roof surface or an outer wall surface of a building, its installation structure, and a method for installing a working body.

Background Art

[0002] In recent years, existing buildings that are constantly exposed to various abnormal weather conditions have a need to construct new high-performance eaves due to damage and aging around the roof including eaves. In the case of renovation, repair, or maintenance of the roof, outer wall, eaves, etc. around the roof of existing buildings such as houses, prior to construction of various operations, it is generally carried out to construct a scaffold for performing various operations around the building and at the boundary with neighboring houses. That is, renovation of a building first requires work to form a scaffold around the building, and this scaffold formation has become a problem that cannot be ignored in terms of time, cost, and other factors that are difficult to adjust.

[0003] Since the scaffold formation is carried out by a contractor different from the contractor who performs renovation, repair, etc., the work schedule for renovation, repair, etc. needs to be determined waiting for the work schedule of the scaffold formation. Also, at the time of construction of a new building, if the work of creating a foundation surface and a framework (roof base and exterior finish base) is carried out early, then later, areas and roads that were occupied by a large amount of materials and heavy machinery, etc. can be liberated.

[0004] Moreover, the scaffolding construction involved bringing parts and materials (materials) corresponding to the height and width of the building (renovation area) to the vicinity of the site, assembling these materials, and erecting scaffolding to cover the construction area. Therefore, even though the materials themselves could be reused, the cost of constructing the scaffolding was not inexpensive. In other words, it was necessary to secure a place to temporarily store the enormous amount of materials and a place to construct the scaffolding, but securing such a place was often difficult. Furthermore, especially when the boundary with an adjacent house was narrow, care had to be taken to avoid damaging the garden facilities and trees of the neighboring house. [Overview of the project] [Problems that the invention aims to solve]

[0005] As mentioned above, conventional scaffolding construction involves bringing parts and components according to the height, width, and length of the area to be renovated to the vicinity of the site, assembling them, and then erecting scaffolding to cover the construction area. This method presents problems that are difficult to adjust in terms of time and cost. Furthermore, in the construction of new buildings, reducing the size or significantly narrowing the scaffolding used for roof and exterior wall construction after the foundation and framework have been created has been a major advantage.

[0006] Therefore, the present invention provides a method for installing a support frame that does not require a large work area around the building to be constructed, can be installed easily and inexpensively with virtually no fastening work, and can be used for the construction of the roof surface or exterior wall surface of a building. 、 The purpose is to propose a method for setting up the workpiece. [Means for solving the problem]

[0007] The present invention was proposed in view of the above, and comprises a first step of fixing a reference angle material horizontally in accordance with markings formed on the roof surface, and a second step of attaching a vertical support column to the reference angle material. And, an attached portion extending from the lower end of the support column in the direction of the roof slope, Support material equipped However, the attached part end of With a retaining clip By being installedThe present invention relates to a method for installing a support frame, characterized by comprising a second step of fixing the frame in place, and a third step of fixing rail materials spaced apart in the height direction between adjacent support columns of the support material in a suspended manner.

[0009] Furthermore, in the installation method, the support material end of the attached part The present invention also proposes a method for installing a support frame, characterized in that a retaining bracket is rotatably attached, and the support frame can be aligned in an overlapping manner with the reference angle material and fixed by rotating the retaining bracket.

[0010] Furthermore, the present invention, after the installation method described above, spans between the two upper and lower rail materials that have been erected. A work area where workers perform various tasks. We also propose a method for installing a workpiece, characterized by performing a fourth step in which a part is attached. [Effects of the Invention]

[0012] The method for installing the support frame of the present invention does not require a large work area around the building to be constructed, can be installed easily and inexpensively with virtually no fastening work, and can be used for the construction of the roof surface or exterior wall surface of a building. Therefore, it can be widely applied to the construction of new roofs and exterior walls, as well as to the renovation, repair, and maintenance of existing roofs and exterior walls. Furthermore, the support member includes an attachment portion that extends from the lower end of the support column in the direction of the roof slope, and the end of the attachment portion is fixed to the reference angle material with a retaining bracket, so that the attachment portion can be attached in the correct position and the support column and support member themselves can be fixed in the correct position.

[0014] The aforementioned support material end of the attached part In cases where a retaining bracket is rotatably attached and can be aligned with the reference angle material in an overlapping manner and fixed by rotating the retaining bracket, for example, when a fixing bracket equipped with a retaining bracket is attached to the end of the attached portion and this fixing bracket can be aligned with the reference angle material in an overlapping manner and fixed by rotating the retaining bracket, the support material can be easily fixed to the reference angle material in the correct position.

[0015] After the installation method described above, straddle the space between the two upper and lower rail materials that have been erected. A work area where workers perform various tasks.When performing the fourth step of attachment, an operator can work while standing on the work body. Especially when equipped with a mechanism such as a ladder that can move in the height direction, various operations can be easily performed. Especially when the work body is equipped with a mechanism such as a roller that can move in a sliding manner, an operator can perform operations while appropriately changing the working position of the work body as the operation progresses.

[0016] Also, the installation structure of the support stand of the present invention Formed by the above installation method Therefore, it does not require a large working area around the building under construction, can be easily and cheaply installed almost without fastening work, and can be used for construction of the roof surface or outer wall surface of the building.

Brief Description of the Drawings

[0017] [Figure 1] It is a perspective view showing the installation structure of the support stand of Example 1 of the present invention. [[ID=十八]] [Figure 2] (a) Perspective view showing the first step and the second step in Example 1, (b) Enlarged perspective view of the connection part as seen from the back side. [Figure 3] It is a perspective view showing a state where adjacent support members are linearly connected. [Figure 4] It is a perspective view showing a state of attaching the lower rail in the third step. [Figure 5] It is a perspective view showing a state of connecting adjacent lower rails in the third step. [Figure 6] It is a perspective view showing a state of attaching the upper rail in the third step. [Figure 7] It is a perspective view showing a state of connecting adjacent upper rails in the third step. [Figure 8] It is a perspective view showing a state of connecting adjacent upper rails and attaching them to the support column.

Modes for Carrying Out the Invention

[0018] The installation method of the support base of the present invention includes a first step of horizontally fixing a reference angle member in accordance with the layout marked on the roof surface, and a vertical support column And, an attached portion extending from the lower end of the support column in the direction of the roof slope, is provided on the reference angle member However, the attached part at the end of fixed with a pressing fitting By being installed in a second step, and a third step of fixedly installing a rail member spaced apart in the height direction between the support columns of the adjacent support members in a laid state, and is characterized by comprising these steps.

[0019] The reference angle member, the support member, and the rail member used in the installation method of the support base of the present invention will be described in the following order. In addition, the working body used in the installation method of the working body of the present invention will also be described subsequently.

[0020] The reference angle member is an angle member (angle pipe), L-shaped, U-shaped, etc. attached to the roof surface as described above. As shown in the illustrated embodiment described later, an L-shaped member is desirable, and it is further desirable that a plurality of holes to which fixing tools are attached are formed on each of the vertical surface (erecting surface) and the horizontal surface (laying surface). Note that the roof surface to which this reference angle member is attached refers to the roof ground surface formed in a flat state in advance, whether for performing existing roof repair or for performing new roof formation. <000资源不足,请补充完整后继续提问。0104>This reference angle member may be a long member continuous in the horizontal direction or a fixed-length member of a predetermined length. When using a reference angle member of a predetermined length, as shown in the illustrated embodiment described later, the angle members are connected so as to be linear, but the angle members may be incorporated in advance as a part of the support member.

[0021] The support member is a member provided with a vertical support column And, an attached portion extending from the lower end of the support column in the direction of the roof slope, as described above, and The aforementioned the end of the attached portion is fixed to the reference angle member with a pressing fitting By being installed fixed It will be done . In addition, on the attached portion, as shown in the illustrated embodiment described later, a pressing fitting is rotatably attached, and it is desirable that the pressing fitting can be rotated and fixed while being aligned with the reference angle member. Here, the retaining clip is a member equipped with a fitting groove capable of clamping and fixing plate materials that are aligned in an overlapping manner, as shown in the illustrated embodiment described later, and it is desirable that it be rotatably attached to the attached portion.

[0022] Furthermore, since the support material consists of a vertical support column and an attached section extending in the direction of the roof slope, which are combined in a roughly perpendicular, i.e., roughly L-shape configuration, it is desirable that these support columns and attached sections be pre-connected in a triangular shape by a reinforcing section that spans in a slanted direction, as shown in the illustrated embodiment described later. This reinforcing section has a structure in which the inner frame can be stored in the outer frame so that its length can be varied, and its length can be adjusted so that the vertical angle of the support column and the angle of the attached section in the direction of the roof slope are maintained.

[0023] Furthermore, it is desirable that an L-shaped fixing bracket is fixed to the end of the attached portion forming the support member, as shown in the illustrated embodiment described later, and that a retaining bracket is pre-fixed to the vertical surface of the fixing bracket so as to be rotatable from side to side. The vertical surface of this fixing bracket is the part that is fixed to the vertical surface of the reference angle material using the retaining bracket, and is formed to be wide. In addition, a horizontal surface is provided at the upper end of this vertical surface to be fixed to the bottom surface of the attached portion, forming an L-shaped fixing bracket.

[0024] Furthermore, it is desirable that L-shaped brackets and receiving brackets for attaching the lower rail material are fixed to the front side near the lower end of the support column forming the support material, as shown in the illustrated embodiment described later, and that the retaining brackets used for attachment to the reference angle material are rotatably fixed to the left and right of these receiving brackets in advance. Furthermore, it is desirable that a support fitting for holding the upper rail material is fixed to the front side of the support column near the center, as shown in the illustrated embodiment described later, and that the retaining fittings used for attachment to the reference angle material are rotatably fixed to the left and right sides of this support fitting in advance.

[0025] The rail material is a member that is fixed in a suspended manner between adjacent support columns as described above, and is erected so as to straddle two or more support columns perpendicularly. That is, it is installed so as to be perpendicular to the vertical support columns, i.e., horizontally, and can form a continuous track area with a cross-section that is U-shaped, angular U-shaped, etc. As mentioned above, these rail materials consist of two or more members installed spaced apart in the height direction, and a work platform may be attached so as to straddle the space between the two installed upper and lower rail materials, allowing workers to perform various tasks on this work platform. In this case, as mentioned above, a track area is formed on each rail material, but it is desirable to use one rail material (for example, the lower one) for support and the other rail material (for example, the upper one) for auxiliary use (e.g., to prevent derailment). Furthermore, by equipping the work platform with a mechanism such as rollers that can slide between each track area, workers can change the working position of the work platform as appropriate as the work progresses.

[0026] The lower (support) rail material is a component attached to a mounting bracket fixed to the support column, and is mounted so as to straddle adjacent mounting brackets. It is attached to a working body which is part of the workpiece and includes a mechanism such as a roller that rotates vertically. The upper (auxiliary) rail material is a component attached to a support fitting fixed to the support column, and is mounted so as to straddle adjacent support fittings. It is attached to a mobile body that is part of the workpiece and has a mechanism such as a roller that rotates laterally. In other words, the moving body is equipped with a mechanism at its lower end, such as a vertically rotating roller that moves along the track area of ​​the lower rail material, and a mechanism at its upper end, such as a horizontally rotating roller that moves along the track area of ​​the upper rail material.

[0027] The aforementioned work platform is installed so as to straddle the two upper and lower rail materials that have been erected as described above, and this work platform provides a place where workers can perform various tasks. This workpiece should ideally be equipped with a movable body that can slide along the track area of ​​each rail material, as described above, and should have steps that allow the worker to perform the work while standing. Furthermore, it is desirable that it be equipped with a mechanism such as a ladder that allows the worker to move in the vertical direction, and even more desirable that it also be equipped with a safety frame to prevent the worker from falling and steps for hanging tools used in the work.

[0028] Next, the first, second, and third steps of the installation method for the support frame of the present invention will be described below. The fourth step in the method for setting up the workpiece of the present invention will also be described below.

[0029] In the first step, a reference angle material is fixed horizontally in accordance with the markings formed on the roof surface. In this case, it is desirable to securely fasten the lifeline, which has a locking device attached to its end, to the roof surface, and to attach the harness hook to the lifeline to ensure the safety of the workers. Furthermore, as mentioned above, the roof surface refers to the roof underlayment that has been formed into a flat shape in advance. Therefore, when repairing an existing roof, it is sufficient to remove any damaged or deteriorated roofing materials and flatten the surface beforehand. When constructing a new roof, it is desirable to lay down sheet materials such as asphalt roofing beforehand. Furthermore, as the reference angle material, an L-shaped material with multiple holes formed on both the vertical (upright) and horizontal (laying) surfaces is preferable, as shown in the illustrated embodiment described later. However, if it is to be fixed to the roof surface in a long, continuous manner in the horizontal direction, either a long material or standard-length material of a predetermined length can be attached in a butt joint manner. When driving in the fasteners (drill screws), it is preferable to use an electric tool that can be operated with one hand, such as an impact driver.

[0030] In the second step, a vertical support column is attached to the reference angle material. And, an attached portion extending from the lower end of the support column in the direction of the roof slope, The end of the support material, which is equipped with this feature, is secured with a retaining clip. The support material fixed in this process consists of a support column, an attached section, and a reinforcing section that are assembled in a roughly perpendicular manner before construction, as described above, and these are combined in a triangular shape. A retaining bracket is rotatably attached to the end of the attached section. Therefore, the end of the attachment part can be aligned with the vertical surface (upright surface) of the reference angle material in an overlapping manner, and the retaining bracket attached to the end of the attachment part can be rotated to fix it in place. Furthermore, the retaining clip used in this process is a component that replaces the fastening work using tightening bolts, and by a simple operation of rotation, the vertical surface of the reference angle material and the end of the attached part can be easily clamped and fixed in an overlapping manner in the fitting groove provided in the retaining clip.

[0031] In the third step, rail materials are fixed in a suspended manner between adjacent support columns of the aforementioned support members, spaced apart in the height direction. In this process, the rail materials (lower support rail material and upper auxiliary rail material) that are fixed together form a track area, as described above. If a working body is equipped with a movable mechanism such as a roller that can slide along this track area, the worker can change their working position as appropriate as the work progresses. Furthermore, the rail material may also be fixed using the retaining clip used in the second step, as shown in the illustrated embodiment described later.

[0032] In the fourth step, a workpiece is attached so as to straddle the two upper and lower rail materials that have been erected. The workpiece fixed in this process is equipped with a movable body that can slide along the track area of ​​each rail material, as described above, a step that allows the worker to work while standing, and a mechanism such as a ladder that allows the worker to move in the vertical direction, as well as a safety frame, making it a place where the worker can work safely. The parts that make up this workpiece are mainly made of round, square, or other pipe material and molded material, and the material is not limited as long as it is lightweight and strong.

[0033] Since these support frames, consisting of standard angle members, support members, and two rail members, are installed on the roof surface, it is desirable that all of them be made of lightweight materials. Furthermore, workers positioned within the work area, which is arranged to straddle the rail members, can perform their work by sliding their position along the eaves.

[0034] Therefore, workers do not need a large workspace around the building being constructed, and the system can be installed easily and inexpensively with virtually no fastening work required, making it suitable for use in the construction of building roofs or exterior walls. [Examples]

[0035] The support frame 1 of Embodiment 1 of the present invention shown in Figure 1 is formed in part by the installation method shown in Figures 2 to 8, and consists of a first step in which a reference angle member 2 is fixed horizontally in accordance with markings formed on the roof surface A; a second step in which the end of a support member 4 having a vertical support column 4A is fixed to the reference angle member 2 with a retaining bracket 3; and a third step in which two rail members 5A and 5B, spaced apart in the height direction, are fixed in a suspended manner between the support columns 4A, 4A of adjacent support members 4, 4. In the diagram, the long dashed line is drawn parallel to the eaves, and the short dashed line is drawn parallel to the slope of roof surface A. The dashed lines indicating braces 7, which cross between the support columns 2A, assist in the vertical erection of each support column 2A and ensure the safety of the workers. These braces 7 are omitted from the diagram except for Figure 1.

[0036] The aforementioned reference angle material 2 is an L-shaped steel material having a vertical surface (upright surface) 22 and a horizontal surface (laying surface) 21, and is formed to a predetermined length. As the first step, the reference angle material 2 is fixed horizontally to the roof surface A according to the markings formed on the roof surface A. As shown in Figure 2(a), with the horizontal surface 21 laid on the roof surface A, the reference angle material 2 is fixed horizontally to the roof surface A by driving in fasteners (drill screws) using a power tool that can be operated with one hand, such as an impact driver (not shown). The markings and fasteners are also not shown.

[0037] Prior to this first step, although not shown in the diagram, a lifeline with a fastener attached to its end is securely fixed to the roof surface A, and a harness hook is attached to the lifeline to ensure the safety of the workers. In addition, a sheet material such as asphalt roofing is laid on the roof surface A beforehand.

[0038] Next, as shown in Figure 2(b), a second step is performed in which the end of the support member 4, which has a vertical support column 4A, is fixed to the right end of the reference angle member 2 using a retaining bracket 3. Prior to this second step, the support member 4 is assembled. This support member 4 comprises a vertical support column 4A, and an attached portion 4B extending substantially perpendicularly in the direction of the roof slope from the lower end of the support column 4A, the end of which is fixed to the vertical surface 22 of the reference angle member 2 by a retaining bracket 3.

[0039] In this embodiment 1, the support members 4 and 4' are connected in a triangular shape, with a U-shaped steel attachment part 4B connected to the lower end of a vertically arranged square steel column 4A, and a groove-shaped inner frame 41 that can be housed in the outer frame 42, with a reinforcing part 4C spanning across the slanted side. The length of this reinforcing part 4C can be varied by housing the inner frame 41 in the outer frame 42 to an appropriate length during installation, so the column 4A can be adjusted vertically and the attachment part 4B can be adjusted to follow the slope of the roof surface A.

[0040] Furthermore, the support member 4' that is positioned adjacent to the support member 4 attached to the reference angle member 2 is configured such that the two support members 4, 4 are connected by an angle member 2'. This angle member 2' is an L-shaped steel material having a vertical surface (upright surface) 22 and a horizontal surface (laying surface) 21, similar to the reference angle member 2. Multiple holes are formed in the vertical surface 22 and the horizontal surface 21, and some of the holes 220 in the vertical surface 22 are shown in the illustration, but it is referred to as "angle member 2'" to distinguish it from the reference angle member 2.

[0041] Furthermore, as shown in Figure 2(b), an L-shaped fixing bracket 4D having a wide vertical surface 43 extending downward is fixed to the lower end of the attached portion 4B, and the retaining brackets 3, 3 are rotatably attached to the fixing bracket 4D. Reference numeral 44 in the figure indicates a horizontal surface fixed to the bottom surface of the attached portion 4B. The retaining bracket 3 is a member having a substantially U-shaped fitting groove 31, and one side of the fitting groove 31 extends long in a direction perpendicular to the fitting direction to form a mounting portion 32, and this mounting portion 32 is rotatably attached to the attached portion 4B.

[0042] Furthermore, L-shaped brackets 4E and 4F for attaching the lower rail material 5A are fixed to the front side near the lower end of the support column 4A that forms the support members 4,4', and the retaining brackets 3,3 are rotatably fixed to the left and right of the 4F. The L-shaped bracket 4E has its vertical surface fixed to the side of the support column 4A, and its horizontal surface extends in a substantially horizontal direction. The 4F has a shape in which the upper end of a metal plate of a predetermined width, which is formed in a substantially J shape, is bent in a substantially perpendicular direction, and the bent horizontal piece 45 is fixed to the L-shaped bracket 4E, and the lower end of the vertical piece 46 is formed in a curved shape to form a substantially J shape.

[0043] Furthermore, a support fitting 4G for holding the upper rail material 5B is fixed to the front side of the support column 4A, near the center of the support members 4,4', and the retaining fittings 3,3 are rotatably fixed to the left and right of this support fitting 4G. The lower end 471 of the vertical surface 47 of the support fitting 4G is bent toward the surface side.

[0044] Therefore, Figure 2(a) shows the second step in Embodiment 1, in which the end of the support member 4, which has one support column 4A and one attachment part 4B on each end, is fixed to the end of the reference angle member 2 with a retaining bracket 3. Subsequently, a sub-step is shown in which the support member 4', which has two support columns 4A, 4A and two attachment parts 4B, 4B on each end and is connected by the angle member 2', is fixed so that the angle member 2' is in a straight line with the reference angle member 2.

[0045] Specifically, the second step involves aligning the vertical surface 43 of the fixing bracket 4D attached to the end of the attachment part 4B with the vertical surface 22 of the reference angle material 2 in an overlapping manner, and then rotating the two retaining brackets 3, 3 to fix the vertical surface 43 of the attachment part 4B to the vertical surface 22 of the reference angle material 2. At that time, as shown in an enlarged view in Figure 2(b), the retaining brackets 3,3 are positioned at the upper end of the vertical surface 43 before installation in order to rotate them to the correct position. By rotating the retaining brackets 3,3 with the vertical surface 43 facing the vertical surface 22 of the reference angle material 2 from the upstream side, the vertical surface 43 and the vertical surface 22 are attached to the fitting groove 31 in a clamping manner. Furthermore, to ensure that the work is carried out stably, it is desirable to attach a lifeline or the like, which is tightly fixed to the roof surface A (not shown), to the stopper 48 provided at the upper end of the support column 4A.

[0046] Prior to the aforementioned sub-process, a support member 4' is assembled, which is equipped with two support columns 4A, 4A and two attachment parts 4B, 4B, connected by an angle member 2'. In this process, the angle member 2' is incorporated by rotating the retaining brackets 3 located inside the two fixing brackets 4D, 4D onto the vertical surfaces 22 of the angle member 2', similar to the second process, aligning the vertical surface 43 of the fixing bracket 4D with the hole 220 formed in the vertical surface 22, and then driving the fixing device 2b into the hole 220 to secure it integrally. Therefore, in this sub-process, the support material 4' is fixed to the attachment part 4B located on the right side of the drawing, and the fixing bracket 4D has its left retaining bracket 3 in the rotated state (= fixed to the angle material 2'), while the right retaining bracket 3 is in the pre-rotation state. In the aforementioned sub-step, the pre-assembled support member 4' is installed adjacent to the support member 4 as described above. The angle member 2' is fixed in the same way as the reference angle member 2 described above, by driving the fixing device 2b into the side surface 21 using a power tool such as an impact driver, so that it is horizontal to the roof surface A and in a straight line with the reference angle member 2.

[0047] Subsequently, as shown in Figure 3, the right-hand retaining clip 3 of the fixing bracket 4D, which is fixed to the attachment part 4B located on the right side of the drawing, is rotated as indicated by the dotted arrow in the drawing to clamp and fix it to the vertical surface 22 of the reference angle material 2. As a result, the fixing bracket 4D, which is fixed to the attachment part 4B located on the right side of the support material 4', appears to be positioned across the angle material 2' and the reference angle material 2.

[0048] In this embodiment 1, a specification was shown in which a reference angle member 2 of a predetermined length is used, and an angle member 2' continuous with it is attached to the support member 4'. However, if a reference angle member that is a continuous through member is used, for example, this second step can be performed by arranging a plurality of the support members 4 at appropriate intervals without using the support member 4'.

[0049] Next, in the third step, rail members 5A and 5B are fixed in a suspended manner between the support columns 4A and 4A of the adjacent support members 4 and 4', spaced apart in the height direction. First, Figures 4 and 5 show the state in which the lower rail material 5A is installed. The rail material 5A is attached so as to span between the receiving brackets 4F, 4F of adjacent support columns 4A, 4A, and the retaining brackets 3, 3 attached to the receiving brackets 4F, 4F are rotated to fix it in place. Next, Figures 6 to 8 show the state in which the upper rail material 5B is installed. The rail material 5B is attached so as to span between the support fittings 4G, 4G of adjacent support columns 4A, 4A, and the retaining fittings 3, 3 attached to the support fittings 4G, 4G are rotated to fix it in place.

[0050] The rail material 5A, which is installed between adjacent support fittings 4F, 4F, is a member having a trough-shaped portion 51 formed in an arc shape in cross-section, with the lower end of its vertical surface bent in a curved shape as shown in Figure 4, and a track area 50A is formed on its upper side, and it is formed to span the length between adjacent support fittings 4F, 4F. Furthermore, the trough-shaped track area 50A of the rail material 5A is provided at the lower end of the vertical mounting portion 52 and is formed in substantially the same shape as the substantially J-shaped molded surface of the receiving bracket 4F. Therefore, the mounting portion 52 of the rail material 5A can be aligned with the vertical portion of the receiving bracket 4F, and the trough-shaped portion 51 can be easily installed from above between adjacent receiving brackets 4F, 4F. In this state, as shown in Figure 5, the retaining brackets 3, 3 attached to the upper ends of the mounting portions 52 of the receiving brackets 4F, 4F can be rotated to fix the rail material 5A and form the track area 50A.

[0051] The rail material 5B, which is installed between adjacent support fittings 4G, 4G, is a member having a box-shaped portion 53 that is open at the bottom, as shown in Figure 6, with a track area 50B formed on its inner surface, and is formed to span the length between adjacent support fittings 4G, 4G. Furthermore, since the box-shaped portion 53 of the rail material 5B is provided to the side of the vertical mounting portion 54 and to the side of the support bracket 4G, the mounting portion 54 of the rail material 5B can be aligned with the vertical surface 47 of the support bracket 4G, its lower end can be engaged with the lower end 471, and the box-shaped portion 53 can be easily positioned between adjacent support brackets 4G, 4G. In this state, as shown in Figure 7, the retaining brackets 3, 3 attached to the support brackets 4G, 4G can be rotated to fix the rail material 5B, thereby forming the track area 50B.

[0052] Furthermore, connecting members 5C are attached to the ends of the rail material 5B and to the abutting portions of adjacent rail materials 5B, 5B. As shown in Figure 8, this connecting member 5C is a piece-shaped member with a fixing portion 55 to the support column 4A at its upper end and a covering portion 56 below it that extends to the outside of the box-shaped portion 53. Since a hole is formed in the fixing part 55, the fastener 5d can be driven in by connecting it to the hole formed in the support column 4A, and since the covering part 56 is formed to be slightly larger than the box-shaped part 53, it can be attached in a fitted manner.

[0053] The work area, which is equipped with a movable body that can slide along the track areas 50A and 50B of the aforementioned rail materials 5A and 5B, is a place where workers can work safely, although it is not shown in the figures. It is equipped with a step that allows workers to work while standing, a ladder or other mechanism that allows workers to move in the vertical direction, a safety frame, etc. Each part that makes up this work area is made of pipe material or molded material, so it is lightweight and strong. Furthermore, since the workpiece is equipped with mechanisms such as rollers that can slide through each track area, the operator can change the workpiece's position as needed as the work progresses. [Explanation of symbols]

[0054] 1. Support frame 2. Standard angle material 2' angle material 2b Fixture 21 Side view (laying surface) 22 Vertical surface (upright surface) 3. Retaining clip 31 Fitting groove 32 Mounting part 4,4' Support material 4A strut 4B Attached part 4C Reinforcement Section 41 Inner frame 42 Outer frame 4D mounting bracket 43 Longitudinal surface 44 Transverse surface 4E L-shaped bracket 4F Mounting bracket 45 Horizontal piece 46 vertical pieces 4G support bracket 47 Longitudinal surface 48 Stopper 5A (Lower) Rail Material 50A orbital range 5B (upper) rail material 50B orbital area 5C Jointing material A Roof surface

Claims

1. The first step involves fixing a reference angle material horizontally in accordance with the markings formed on the roof surface, A second step involves fixing a support member to the aforementioned reference angle material by attaching the end of the attached portion with a retaining bracket, which comprises a vertical support column and an attached portion extending from the lower end of the support column in the direction of the roof slope. A third step involves fixing rail materials, spaced apart in the height direction, in a suspended manner between adjacent support columns of the aforementioned support materials. A method for installing a support frame, characterized by comprising the following components.

2. The method for installing a support frame according to claim 1, characterized in that the retaining bracket is rotatably attached to the end of the attached portion of the support material, and the support frame can be aligned in an overlapping manner with the reference angle material and fixed by rotating the retaining bracket.

3. A method for installing a workpiece, characterized in that, after the installation method of the support frame described in claim 1, a workpiece is attached so as to straddle the space between two installed upper and lower rail materials, in which an operator will perform various tasks.

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