JP2012107389A - Construction method of handrail and handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method of a handrail, capable of safely and easily executing construction even while giving appearance design priority, and the handrail.SOLUTION: A plurality of columns 1 are erected at an interval on a scaffold 10, and a lower frame 3 having a panel taking-in groove 12b extending in a frame longitudinal direction on an upper surface is fixed. On an aspect face 1a on the scaffold outer side of the column 1, a vertical frame 2 is fixed in the state of abutting a lower end to the lower frame 3 and a frame body 3 is assembled roughly in an L shape. A panel 4 is slid along the respective panel taking-in grooves 12a and 12b of the vertical frame 2 and the lower frame 3, and two sides at the one side end part and lower end part of the panel 4 are held. The vertical frame 2 having the panel taking-in grooves 12a and 12a is slid and attached from the upper part, and the other side end part of the panel 4 is held by the panel taking-in groove 12a on one side of the vertical frame 2. A different panel 4 is inserted, and it is repeatedly performed to all the columns 1 erected on the scaffold. A downward panel taking-in groove 12c provided on the lower end part of a cap piece 8 is inserted to the upper end part of the panel 4, and the cap piece 8 is fixed to the upper part of the columns 1.

Description

  The present invention relates to a handrail attached to a staircase, a veranda, a fence, a slope, a corridor, and the like, and more particularly, to a handrail in a mode in which a panel is attached between columns and a construction method thereof.

  Japanese Patent Application Laid-Open No. 2010-209598 discloses a handrail aimed at creating a continuous appearance of a fence of a handrail by narrowing the vertical frame width. In this handrail construction procedure, first, a plurality of support columns are set up at intervals on a scaffold, and a headboard and a lower frame are attached. Next, a vertical frame is attached to the outer side of the support column, which is erected on the most side of the scaffold, via a side bracket, and between the headboard and the lower frame, from the outside of the support column and the other side. With the upper end and lower end held on the upper and lower frames, the panel is fed and slid to the vertical frame. Then, the vertical frame is slid from the side and attached to the other side of the panel, the next panel is fed, and the procedure for attaching the next vertical frame is alternately repeated to form the handrail.

JP 2010-209598 A

  The handrail formed as described above inserts the panel between the panel insertion grooves of the upper and lower frames with respect to the vertical frame attached to one of the two columns that are erected with a space among the plurality of handrails. The structure was slid in the horizontal direction and locked in the panel insertion grooves on the three sides of the upper frame, the vertical frame, and the lower frame. Furthermore, since the vertical frame and the side bracket that supports the vertical frame to the support column are the modes in which the locking pieces protruding in the horizontal direction are locked to each other, the locking position of the vertical frame and the side bracket is If there is a slight dimensional error between the columns, and if the panels are sent out one after another to form a fence, the dimensional error will gradually increase as the number of panels increases. For this reason, when the gap between each vertical frame and the panel inserted into the panel insertion groove of each vertical frame becomes uneven, and the panel approaches one of the vertical frames, the vibration due to the backlash of the panel There are concerns about sound problems, panel breakage, and detachment of the panel from the frame. Furthermore, since the panels are slid from the outside by the blunting method from the outside of the support column one by one, when replacing any panel after construction, the frame is locked in the horizontal direction. Thus, all the panels had to be removed from the frame body, and the attachment of the panel from the outside of the support column was dangerous, such as a worker's scaffold.

  This invention is made | formed in view of the said subject, and it is providing the construction method and handrail of the handrail which are easy and safe to construct, and can support a panel reliably with a frame.

  In the invention according to claim 1 of the present invention, a plurality of support columns are erected at intervals on the scaffold, and a panel insertion groove extending in the longitudinal direction of the frame is formed so as to straddle between the finding surfaces outside the scaffold of each support column. The first step of fixing the lower frame on the upper surface, among the columns to be erected, the lower end of the column is located on the outermost scaffold side of the column that is erected on the most side or the other side of the platform, and the lower end is in contact with the lower frame The second step of fixing the vertical frame in the state of contact and assembling the frame body in an approximately L shape, inserting the panel from the open upper side and the other side of the frame body, into the panel insertion grooves of the vertical frame and the lower frame The third step of sliding the panel along the side and holding the two sides of the panel at the one end and the lower end, on the outer finding surface of the column that is erected next to the column that has already fixed the vertical frame, Slide a vertical frame with panel insertion grooves on both sides from the top, and install one side of the vertical frame In the fourth step of holding the other end of the panel in the panel insertion groove, the panel insertion groove on the other side of the vertical frame fixed to the column in the fourth step, and the panel insertion groove in the lower frame Insert another panel and repeat it on all the pillars standing on the scaffolding. Insert the downward panel insertion groove on the lower end of the headboard into the upper end of the panel exposed from the frame. At the same time, a sixth step of fixing the headboard to the upper part of the column is performed. Here, the number of support columns erected on the scaffold may be two spaced apart or many.

  The invention according to claim 2 of the present invention is provided with a support, a lower frame, a vertical frame, a panel portion, and a headboard, and an upper bracket for attaching the headboard is fixed to the upper side of the support. A side bracket provided with a vertical frame locking piece extending in the longitudinal direction of the support column is fixed to the finding surface, and a lower bracket is fixed to the lower side of the side bracket. Is attached with a vertical frame having a locked portion that slides from above the vertical frame locking piece and holds the vertical frame locking piece from both sides, and the vertical frame extends in the longitudinal direction of the frame. Panel insertion grooves are provided on both sides, and the lower frame is fixed to the lower bracket with a panel insertion groove extending in the longitudinal direction of the frame, and the upper frame is open from the vertical and lower frames. Formed on the inner peripheral side of the frame body, and held in each panel insertion groove Yes the panel is mounted in Rukatachi, the lower end face of the coping, is provided with a panel swallow successive grooves in coping longitudinally panel swallowed groove, characterized in that the writing 呑 the upper portion of the panel.

  According to the invention described in claim 1 of the present invention, the lower frame is attached to a plurality of pillars standing at intervals on the scaffold, and the outer side of the pillar standing on the most one side on the scaffold is found. A vertical frame is slid and attached to the surface from above, and the frame is assembled in an L shape. The panel is inserted into the frame obliquely from the upper side, and one side edge and lower edge of the panel are inserted into the panel insertion grooves of the vertical frame and the lower frame. It is designed to hold the panel in the two sides of the vertical frame on one side and the L-shape of the lower frame, and the other end of the panel is inserted into the panel insertion groove at the same time , Slide another vertical frame on the outer side of the next column from the upper side to support the panel with the vertical frame and the lower frame on both sides, and repeat this procedure. A handrail can be formed with a simple construction if a cap is attached to the. In addition, when the field is at a high place, two sides of the frame are open, and the panel is inserted from the upper side of the frame or obliquely from the upper side with the panel receiving range wide. In addition, it is not necessary for the operator to attach a panel from the outside of the column, and safety can be ensured.

  According to the invention described in claim 2 of the present invention, the vertical frame is slid from above to be locked and fixed to the side bracket fixed to the outer surface of the support column. Since the frame is restricted from moving in the horizontal direction from the column, the distance between the panel and the vertical frame can be accurately positioned, and the panel is supported at an appropriate distance from the frame so that the panel is supported reliably. The handrail made in can be provided. In addition, since the vertical frame is attached to the bracket so that it can slide up and down, even if it is a panel attached to the middle position of the handrail, only that panel can be taken out and replaced, making maintenance easy It is.

(A)-(f) is the simplified front view which shows the construction procedure of the handrail by this implementation. (A) is the simplified front view which shows the attachment procedure of the 2nd panel, (b) is the simplified front view which shows the handrail after construction completion, (c) is after construction It is the simplified front view which shows the state when removing arbitrary panels. It is a longitudinal cross-sectional view of the handrail formed through the construction procedure by this implementation shown to Fig.1 (a)-(f). (A) is a cross-sectional view which expands and shows A in FIG.3 (b), (b) is the whole figure of the handrail which cross-sectionalizes and shows FIG.

  Hereinafter, an embodiment in which the handrail of the present invention is applied to a balcony handrail will be described with reference to the drawings.

As shown in FIG. 3, the handrail according to the present embodiment is installed at the outer end of the upper part of the concrete scaffold (scaffold) 10, and is composed of the support 1, the frames 2 and 3, the panel 4, and the headboard 8. It is. The support column 1 is formed of a hollow extruded profile, and an anchor bolt 9 is vertically attached to the lower end thereof. Further, the anchor bolt 9 is embedded in the concrete scaffold 10 together with a part of the lower end of the pillar 1 to firmly support the pillar 1, and further, a plurality of locations spaced along the upper surface of the outer end of the concrete scaffold 10. Is standing up. Moreover, the concrete scaffold 10 outer side finding surface 1a of the column 1 is arranged along the longitudinal direction of the column 1 as shown in FIGS. 4 (a) and 4 (b), and the column fixing piece to the outer side finding surface 1a. A side bracket 5 having a substantially T-shaped cross section from 5b and a vertical frame locking piece 5a projecting outward from the column fixing piece 5b, and located below the side bracket 5 and outside the column 1 Lower brackets 15 each having a receiving piece protruding substantially horizontally toward the outside of the finding surface 1a are fixed with screws 11 respectively. Further, the frame bodies 2 and 3 are framed in an upward U-shape from the left and right vertical frames 2 and 2 and the lower frame 3. Panel insertion grooves 12a and 12b each having a substantially concave shape provided in the frame 3 are formed continuously in three directions on the inner peripheral side of the frame (see FIGS. 1A to 1F). The vertical frames 2 and 2 have a symmetrical shape having panel insertion grooves 12a and 12a on the left and right sides when viewed in plan, and the vertical frames 2 and 2 on both sides of the frame bodies 2 and 3 are 4 (a) and 4 (b), it has a take-out portion 2a protruding inward, and this take-out portion (locked portion) 2a has a substantially U-shaped cross section having a groove portion 7. The U-shaped groove portion 7 is inserted from above into the vertical frame locking piece 5a of the side bracket 5 that is fixed with screws 11 along the column fixing pieces 5b along the columns 1 and vertically downward. And the screw 11 is inserted from the side of the take-out portion 2a to fix the take-out portion 2a and the column fixing piece 5b. Thereby, the vertical frame 2 is fixed in a state where movement in the left-right direction from the side bracket 5 is restricted. In addition, referring to FIG. 3, the lower frame 3 is placed on the upper surface of the lower bracket 15, and the lower frame 3 and the lower bracket 15 are fixed by screws 11 via a support member 18. . The coping 8 is a hollow extruded shape having a substantially oblong shape, and a downward panel insertion groove 12c is provided at a position slightly closer to the outer side of the lower end surface, and an inner portion from the panel insertion groove 12c is provided. Has a mounting surface 13 with a substantially horizontal support 1.
Next, the mounting structure of the headboard 8 and the support column 1 and the panel 4 will be described. First, after the panel 4 is held by each of the vertical frames 2 and the lower frame 3 constituting the handrail, It is to be installed together. Referring to FIG. 3, first, on the column 1 side, a substantially horizontal plate-like upper bracket 6 is attached to the upper end of the column 1 with a screw 11 in a state of protruding outward. Next, when the panel 4 is inserted into the panel insertion grooves 12 a and 12 b of the frames 2 and 3, only the upper end portion of the panel 4 is exposed from the frames 2 and 3. Then, the upper end portion of the panel 4 is inserted into the panel insertion groove 12c of the headboard 8 and is fixed along the upper bracket 6 with the screw 11 from the lower end surface side of the upper bracket 6 to the mounting surface 13 of the headboard 8. As a result, the headboard 8 and the column 1 and the panel 4 are fixed. Further, a sealing material 14 is sandwiched between the panel 4 and the frame bodies 2 and 3 and the headboard 8 and each of the panel insertion grooves 12a to 12c so as to be buffered. The wind pressure and vibration transmitted to the panel 4 are softened.

Next, the construction procedure of the handrail will be described below.
As a first procedure, as shown in FIG. 1A, anchor bolts 9 are embedded in a concrete scaffold 10 to erect the support column 1, and a lower frame is placed below the outer finding surface 1 a of the support column 1 via a lower bracket 15. 3 is attached.
As a second procedure, the upper bracket 6 is fixed to the upper end surface of the column 1 as shown in FIG.
As a third procedure, as shown in FIG. 1 (c), in the support column 1 standing at the extreme end of the scaffold 10, the support fixing piece 5a of the side bracket 5 (see FIG. 4 (a) )) Is fixed with screws 11, and the vertical frame 2 is slid from above with respect to the vertical frame locking piece 5 a (see FIG. 4A) of the side bracket 5, and the lower end of the vertical frame 2 is moved to the lower frame 3. Abut. As a result, the frame bodies 2 and 3 are formed in an L-shape that is open on the upper side and the other side from the lower frame 3 and the vertical frame 2 fixed to the end. Here, the side bracket 5 is fixed to all of the supporting surfaces 1a to be erected on the outside.
As a fourth procedure, as shown in FIG. 1 (d), the panel 4 is inserted from the diagonally upper side of the frame bodies 2 and 3 opened on the upper side and the other side, and the vertical frame 2 and the lower frame on the one side are inserted. The one side end and the lower end corner portion of the panel 4 are inserted into the panel insertion grooves 12b, 12b, respectively.
As a fifth procedure, as shown in FIG. 1 (e), the side bracket 5 vertical frame locking piece 5a (FIG. a), the vertical frame 2 is inserted from above, and at that time, the panel insertion groove 12a on one side of the vertical frame 2 is inserted into the other end of the panel 4 and slid downward. Another panel 4 is inserted into the panel insertion groove 12a on the other side of the vertical frame 2 from the oblique upper side, and the one side end and the lower end of the other panel 4 are joined with the panel insertion groove 12b of the lower frame 3. Hold two sides. As shown in FIG. 2 (a), the vertical frame locking piece 5a (see FIG. 4 (a)) of the side bracket 5 of the support column 1 that is erected next to the vertical frame locking piece 5a (see FIG. 4 (a)) is provided with a vertical slot 12a. The frame 2 is slid from above, and the other side end of the other panel 4 is inserted and held by the panel insertion groove 12a on the other side. This is successively shifted to the adjacent strut 1 and repeated for all the struts 1 standing on the scaffold 10. Then, the sealing material 14 (see FIG. 3) is inserted into the panel insertion grooves 12a, 12a and 12b of the lower frame 3 and the vertical frames 2 and 2 on both sides, respectively. To buffer.
As a sixth procedure, as shown in FIG. 1 (f), the headboard 8 is placed along the upper bracket 6, and the upper end portion of the panel 4 exposed from the frames 2 and 3 is inserted into the panel insertion groove 12 c of the headboard 8. Further, by inserting the sealing material 14 (see FIG. 3) into the panel insertion groove 12c and buffering the panel 4 and the headboard 8, as shown in FIG. A continuous handrail is formed on the other side.

  By passing through said procedure, the handrail with which the panel 4 was attached to the panel penetration grooves 12a and 12b which have on the inner peripheral side of the frames 2 and 3 is formed. In this way, the frames 2 and 3 are framed in an L shape that opens both sides, whereby the panel 4 is inserted obliquely from above and dropped into the panel insertion groove 12b of the lower frame 3, and the lower frame 3 from that position. The panel can be attached to the frame bodies 2 and 3 simply by performing an operation of sliding to the vertical frame 2 side along the panel insertion groove 12b. As a result, even if the vertical frame 2, 2 has a narrower finding width and emphasizes the appearance design, the panel 4 is inserted into the frame 2, 3 without being affected by the spacing between the columns 1. It can be attached while being held in the grooves 12a, 12b, 12c. In addition, since the panel 4 can be inserted into the frames 2 and 3 from above, a large facility such as an aerial work vehicle or a gondola that requires installation of the panel 4 from the outside of the balcony (outside of the concrete scaffold 10) is required. Moreover, the safety | security at the time of construction is securable because it becomes possible to attach the panel 4 from the concrete scaffolding 10 inside. Even when one of the panels 4 is replaced after the construction, the panel 4 is removed on both sides by removing the sealing material 14 between the vertical frame 2 and the panel 4 after removing the headboard 8 as shown in FIG. Can be easily removed by lifting upward along the panel insertion grooves 12a and 12a of the vertical frames 2 and 2, and the new panel 4 is replaced with the old one as opposed to the procedure for removing it as described above. If the panel 4 is inserted between the vertical frames 2 and 2 after being pulled out, the handrail will be in its original state.

  In the present invention, the shape of the locked portion 2a of the vertical frame 2 is U-shaped, and the vertical frame locking piece 5b of the side bracket 5 is sandwiched by the U-shaped groove portion 7, but the locked portion 2a can be slid vertically from the upper side to the lower side of the vertical frame locking piece 5a and can be disposed on both sides of the vertical frame locking piece 5a so as to sandwich the vertical frame locking piece 5a. The shape is not limited. Moreover, although the glass panel is used in the above-described embodiments for the panel 4, a resin panel, a wooden panel, or the like may be used. Moreover, although the handrail by this invention demonstrated what applied to the balcony in the said embodiment, the application range, such as a passage, a slope, a staircase, and a partition, is not limited.

1 Prop 2 Vertical frame (frame)
2a Take-out part (locked part)
3 Lower frame (frame)
4 Panel 5 Side bracket 5a Vertical frame locking piece 6 Upper bracket 8 Kasagi 10 Concrete scaffold (scaffold)
12a-12c Panel insertion groove 15 Lower bracket 1a Outer surface

Claims (2)

  A plurality of pillars are set up at intervals on the scaffold, and a first frame for fixing a lower frame having a panel insertion groove extending in the longitudinal direction of the frame on the upper surface in a manner straddling between the finding surfaces outside the scaffold of each pillar. The vertical frame is fixed to the bottom surface of the supporting frame on the outermost side of the scaffold, which is erected on the most side or the other side of the scaffold, with the lower end in contact with the lower frame. The second step of assembling the frame into the character, the panel is inserted from the open upper side and the other side of the frame, and the panel is slid along the respective panel insertion grooves of the vertical frame and the lower frame. The third step of holding the two sides of the side end and the lower end, a vertical frame having panel insertion grooves on both sides on the outer side of the column that is erected next to the column that has already fixed the vertical frame Slide it from above and install it on the other side of the panel with the panel insertion groove on one side of the vertical frame Insert the other panel into the panel grooving groove on the other side of the vertical frame fixed to the column in the fourth step and the fourth step, and the panel grooving groove on the lower frame, and use this as a scaffold Fifth step to be repeated for all the columns to be erected, insert the downward panel insertion groove on the lower end of the headboard into the upper end of the panel exposed from the frame, and fix the headboard to the upper part of the column A handrail construction method characterized by undergoing a sixth step. It is equipped with a support, a lower frame, a vertical frame, a panel part, and a headboard. The upper bracket for attaching the headboard is fixed to the upper part of the support. A side bracket provided with an extending vertical frame locking piece is fixed, and a lower bracket is fixed below the side bracket,
The side bracket is attached with a vertical frame having a locked portion that slides from above the vertical frame locking piece and holds the vertical frame locking piece from both sides,
The vertical frame has panel insertion grooves extending in the longitudinal direction of the frame on both sides,
The lower bracket is fixed with a lower frame provided with a panel insertion groove extending in the longitudinal direction of the frame, forming a frame body whose upper side is open from the vertical frame and the lower frame,
Panels are attached to the inner periphery of the frame in the form of being held in each panel insertion groove, and a panel insertion groove continuous in the longitudinal direction of the headboard is provided on the lower end surface of the headboard. A handrail characterized in that the recess groove inserts the upper end of the panel.

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