JP3180696U - Handrail mounting bracket - Google Patents

Abstract

A handrail mounting bracket having a structure capable of performing construction work on a parapet while providing a temporary handrail is provided.
A handrail mounting bracket includes a bracket body and a clamping bracket that is detachably fixed to the bracket body. The bracket body is in contact with a column fixing portion and an outer wall surface of a parapet. The abutting portion 22 and the second outer abutting portion 23 are provided so as to cross the parapet, and a clamping bracket fixing portion 24 for fixing the clamping bracket is provided. The clamping bracket is detached from the clamping bracket fixing portion. A fitting portion that can be fitted, a hanging portion 32 that hangs down from the fitting portion, and an inner contact portion that is attached to the lower end of the hanging portion and contacts the inner wall surface 72 at the same height as the first outer contact portion. 33, and the interval between the upper end surface of the parapet and the clamp fitting fixing portion, the outer wall surface of the parapet and the column fixing portion, and the inner wall surface and the hanging portion of the parapet is set to a predetermined length or more.
[Selection] Figure 5

Description

  [Technical Field] The present invention relates to a handrail mounting bracket for standingly fixing a pillar for fixing a parapet and for providing a temporary handrail. More specifically, the present invention relates to a handrail mounting bracket having a structure capable of performing construction work on a parapet while providing a handrail.

  When working on the rooftops of various facilities where parapets are provided, fences such as handrails and ropes for preventing falls are temporarily provided. Such a fence is often constructed by building a scaffold from the ground or by directly standing a pillar on a parapet. However, since these construction methods are time-consuming and complicated, it has been proposed to assemble a fence using a metal fitting that fixes the parapet so as to be sandwiched from both wall surfaces (see, for example, Patent Documents 1 and 2). ).

Utility Model Registration No. 3083493 Utility Model Registration No. 3093037

There are cases where work on the parapet is required on the roof of various facilities where the parapet is provided with temporary handrails. For example, it is an operation of exchanging the headboard provided on the upper surface of the parapet, or an operation of waterproofing the outer wall surface or the inner wall surface of the parapet.
In such work, the handrail described in Patent Document 1 has a gap around the headboard so that the headboard can be replaced. However, when a lateral force is applied to the handrail main body, Since both side surfaces are supported by one point each of the handrail main body and the inner leg, any one of the points rotates as a fulcrum, and there is a possibility that the holding position is shifted or falls off.
Further, the handrail mounting bracket disclosed in Patent Document 2 can adjust the width of the bracket by adjusting the overlapping of two horizontal members even if the width of the parapet is various. Is fixed to the headboard provided on the upper part of the parapet, the headboard cannot be replaced unless the handrail mounting bracket is removed, and cannot be used to prevent falling during the work.

  In view of the above-described problems, an object of the present invention is to provide a handrail mounting bracket capable of safely performing a construction work on a parapet while providing a temporary handrail.

The present invention is as follows.
1. A mounting bracket for standing a pillar of a temporary handrail, which is locked in a form to sandwich the parapet, and a bracket main body disposed outside the parapet, and fixed to the bracket main body so as to be detachable. A clamping bracket that clamps the parapet between the main body, the bracket main body including a column fixing portion that fixes the column, a first outer abutting portion that abuts against an outer wall surface of the parapet, and the first A second outer abutting portion provided below the outer abutting portion, a clamping bracket fixing portion arranged to cross the parapet above the upper end of the parapet, and for fixing the clamping bracket; The holding fixture includes a fitting portion that is detachably fitted to the holding fixture fixing portion, a hanging portion that hangs down from the fitting portion, and the hanging portion that protrudes toward the inner wall surface of the parapet. On the bottom edge And an inner abutting portion that abuts the inner wall surface at the same height as the first outer abutting portion, the inner abutting portion being capable of adjusting the protruding amount, and an upper end surface of the parapet. The interval between the holding metal fixture fixing portion, the interval between the outer wall surface of the parapet and the column fixing portion, and the interval between the inner wall surface of the parapet and the hanging portion are each set to a predetermined length or more. Handrail mounting bracket.
2. The clamping metal fixture fixing portion has a cylindrical shape with an open bottom surface, and the inner surface serves as a sliding groove for sliding the fitting portion in the transverse direction. The handrail mounting bracket described.
3. The holding fixture fixing part and the fitting part are provided with one or more through holes for penetrating in a direction perpendicular to the sliding direction and for determining a fixing position in the sliding direction. The pin is fixed by a pin that is inserted through the through-hole with respect to the holding fixture fixing part. The handrail mounting bracket described.
4). 2. The sliding groove has an end on the opposite side to the pillar, and the fitting portion is inserted into and removed from the opening end. The handrail mounting bracket described.
5. The holding fixture fixing part includes a guide formed so as to be opposed to the lower ends of both side surfaces, supports both sides of the fitting part by the guide, and the hanging part is provided on the fitting part. 4. The above-described 4. disposed so as to hang from the lower surface through the gap of the guide. The handrail mounting bracket described.
6). The said pin is attached to the said clamping metal fitting or the said metal fitting main body via the string. The handrail mounting bracket described.
7). The sliding groove has an end on the side opposite to the pillar, and the fitting portion is inserted into and removed from the opening end. The handrail mounting bracket described.
8). The holding fixture fixing part includes a guide formed so as to be opposed to the lower ends of both side surfaces, supports both sides of the fitting part by the guide, and the hanging part is provided on the fitting part. 6. The above-mentioned 7. It arrange | positions so that it may hang down through the clearance gap of the said guide from the lower surface. The handrail mounting bracket described.

According to the handrail mounting bracket of the present invention, the first outer abutment portion and the second outer abutment portion are vertically abutted on the outer wall surface of the parapet, and at the same height as the first outer abutment portion on the inner wall surface of the parapet. Since the inner abutting portion abuts, even if a force toward the outer side of the parapet is applied to the column to which the column fixing portion of the handrail mounting bracket is fixed and the handrail attached to the column, it is below the first outer abutting portion. Supported by the second outer abutting portion provided to prevent rotation of the first outer abutting portion or the inner abutting portion as a fulcrum, preventing the handrail mounting bracket from falling off, The strength necessary for preventing falling can be easily maintained.
In addition, by providing a clamping bracket that is detachably fixed to the bracket body, when it is necessary to install the parapet, the clamp bracket can be clamped by temporarily removing the clamping bracket while the pillar is fixed to the bracket body. Can be released. As a result, the construction work on the parapet is not hindered by the clamping metal fittings. Even if one holding bracket is temporarily removed, the parapet is clamped by the adjacent handrail mounting bracket, and the handrail and the bracket main body fixed to the pillar will not fall off. Construction on the parapet can be performed safely while maintaining the required strength.
Furthermore, the distance between the upper end surface of the parapet and the holding fixture fixing part, the distance between the outer wall surface of the parapet and the pillar fixing part, and the distance between the inner wall surface of the parapet and the hanging part are more than predetermined values capable of performing the work on the parapet. With this length, even when the parapet is sandwiched, it is possible to pass members and tools such as headboards, etc., and parapets can be installed in parts other than the contact position. it can.

  When the holding fixture fixing part has a cylindrical shape with an open bottom surface and the inner surface becomes a sliding groove that slides the fitting part in the transverse direction, the amount of protrusion of the parapet can be adjusted by adjusting the protruding amount of the inner contact part. Even when it is not possible to make contact with the inner wall surface, it is possible to make adjustment so as to contact the parapet by adjusting the position of the holding metal fitting by sliding of the fitting portion according to the width of the parapet.

  The holding fixture fixing portion and the fitting portion are provided with one or more through holes for penetrating in the vertical direction of the sliding direction and determining the fixing position in the sliding direction, and the fitting portion is located with respect to the holding fixture fixing portion. In the case where the pin is inserted through the through-hole, the holding fixture can be quickly fixed by inserting the pin. Also, after quickly removing the pin from the pin by pulling out the pin, remove the pin and perform the work on the parapet.After completion of the work, fix the pin and fix the parapet again. it can. Thereby, when performing the construction work with respect to the parapet, the temporary clamping release of the handrail mounting bracket can be performed in a short time, and the construction time can be shortened.

  When the sliding groove is opened at the end opposite to the pillar and is inserted / removed from the end where the fitting portion is opened, the operation of attaching / detaching the holding fitting to / from the metal fitting body can be facilitated.

  The holding fixture fixing part has a guide formed so as to extend from the lower ends of both side faces, and this guide supports both sides of the fitting part, and the hanging part provides a gap between the guide and the lower part of the fitting part. In the case of being arranged so as to hang down, the holding metal fixture fixing portion can be fixed to the metal fixture body in a form that can easily slide.

  When the pin is attached to the clamp metal fitting or the metal fitting body via a string, the pin is removed temporarily without losing the pin that has been removed when the clamp fitting is not fixed to the metal fitting body. And it becomes easy to construct a parapet.

It is a perspective view which shows a handrail attachment metal fitting. It is a front view of the metal fitting main body which comprises a handrail attachment metal fitting. It is a side view of the metal fitting main body which comprises a handrail attachment metal fitting. It is a front view of the clamping metal fixture which comprises a handrail attachment metal fitting. It is a schematic diagram which shows the state which has arrange | positioned the handrail mounting bracket to a parapet. It is a schematic diagram which shows the state which has arrange | positioned the handrail mounting bracket to a parapet. It is a schematic diagram which shows the state which removed the clamping metal fitting for parapet construction.

Hereinafter, the handrail mounting bracket will be described in detail with reference to FIGS.
The items shown here are for illustrative purposes and exemplary embodiments of the present invention, and are the most effective and easy-to-understand explanations of the principles and conceptual features of the present invention. It is stated for the purpose of providing what seems to be. In this respect, it is not intended to illustrate the structural details of the present invention beyond what is necessary for a fundamental understanding of the present invention. It will be clear to those skilled in the art how it is actually implemented.

  The handrail mounting bracket 1 illustrated in FIG. 1 is installed so as to sandwich the outer wall surface 71 and the inner wall surface 72 of the parapet 7 as illustrated in FIG. 5. In addition, as illustrated in FIG. 6, a plurality of handrail mounting brackets 1 a, 1 b, 1 c... Are installed on the parapet 7 at a certain distance. Then, the column 61 can be erected and fixed to each handrail mounting bracket 1, and each column 61 can be connected by the handrail 62 to construct the temporary handrail 6. For example, a metal pipe can be used for the handrail 62 shown in FIGS. 5 and 6, but the present invention is not limited to this, and a rope or the like may be stretched.

As shown in FIG. 1, the handrail mounting bracket 1 includes a bracket body 2 disposed outside the parapet 7 and a sandwiching bracket 3 disposed inside the parapet 7 and sandwiching the parapet 7 between the bracket body 2. With. The clamping metal fitting 3 is detachably fixed to the metal fitting body 2.
2 and 3, the metal fitting body 2 includes a column fixing portion 21 that fixes the column 61 in an upright state, a first outer contact portion 22 that contacts an outer wall surface 71 of the parapet 7, and a first outer side. A second outer abutting portion 23 provided below the abutting portion 22 and a column fixing portion 21 are provided in the horizontal direction so as to cross the parapet 7 above the upper end of the parapet 7. And a holding metal fixture fixing part 24. The clamping metal fixture fixing portion 24 is provided to fix the clamping metal fitting 3 to the metal fitting body 2 in a detachable manner.

  The column fixing part 21 is a cylindrical body that is arranged in the vertical direction when being arranged on the parapet 7. For example, the column 61 is clamped in a standing state by tightening the column 61 of the temporary handrail 6 with a clamp 611 or the like. (See FIG. 5-7). In this example, the column fixing portion 21 is a square tube, but is not limited thereto, and may be a cylinder or the like. Moreover, a solid rod-shaped body may be sufficient. Further, the fixing method of the column 61 is not limited to gripping, and may be screwed, for example, or may be fixed by inserting the column 61 into the column fixing part 21 of the cylindrical body.

  The first outer abutment portion 22 and the second outer abutment portion 23 are provided with pads 221 and 231 each having one end fixed to the column fixing portion 21 and another end provided with a non-slip member such as rubber. The first outer abutting portion 22 is arranged so that the pad 221 faces the pad 332 of the inner abutting portion 33, so that the parapet 7 can be held between the pad 221 and the pad 332. The pads 221 and 231 extend from the column fixing portion 21 with a predetermined length, and are provided so as to have a predetermined interval from the column fixing portion 21 to the outer wall surface 71 of the parapet.

The sandwiching metal fixture 24 can be a rectangular tube having a sliding groove 241 with the center of the bottom surface opened in the length direction. One end of the clamp fitting fixing part 24 is fixed to the column fixing part 21 above the first outer contact part 22. Further, the fitting part 31 provided in the holding metal fitting 3 is slidable in the length direction of the holding metal fitting fixing part 24 with all or a part of the outer peripheral surface thereof being in contact with the sliding groove 241.
Further, the holding fixture fixing part 24 can be configured such that the other end (the side opposite to the column 61) is opened, and the fitting part 31 is inserted into or removed from the opening end part 243. Can do. The fitting portion 31 is supported by the remaining lower surface of the holding fixture fixing portion 24. That is, as shown in FIG. 3, guides 244 and 245 are formed so as to extend from the lower ends of both side surfaces in the length direction of the holding fixture fixing part 24, and the fitting parts 31 are provided by the guides 244 and 245. It is possible to slidably support both sides of the lower surface of the.

  The clamping metal fixture 24 is not limited to the rectangular tube shown in FIGS. 1, 2, and 3, and may be a cylinder or the like. Further, the means for supporting the fitting portion 31 by the holding fixture fixing portion 24 is not limited to the sliding groove 241 and the fitting portion 31 that slides in the sliding groove 241. For example, a hole is provided in the holding fixture fixing portion 24. You may support by the method of inserting the fitting part 31 in the hole.

  On the other hand, as shown in FIG. 4, the holding metal fitting 3 includes a fitting part 31 that is detachably fixed to the holding metal fixing part 24, a hanging part 32 that hangs down from the fitting part 31, and a first outer contact part. And an inner abutting portion 33 that protrudes toward the inner wall surface 72 of the parapet 7 and abuts against the inner wall surface 72.

The fitting part 31 is a cylindrical body for sliding in the sliding groove 241 of the holding fixture fixing part 24. Further, the outer dimension is larger than the width of the gap 246 between the guides 244 and 245 provided on the lower surface of the holding fixture fixing part 24, and it is supported without dropping from the gap 246. For this reason, the fitting part 31 can be a cylindrical body whose outer peripheral surface is slidably in contact with the inner peripheral surface of the sliding groove 241.
As illustrated in FIG. 3, the drooping portion 32 is disposed so as to extend downward from the lower surface of the fitting portion 31 through the gap 246 of the sliding groove 241, and the inner contact portion 33 is the first outer side. It has a length that is the same height as the contact portion 22.

The inner contact portion 33 includes a rod-shaped body 331 and a pad 332 provided at the tip of the rod-shaped body 331 on the inner wall surface 72 side. The rod-shaped body 331 can adjust the protrusion amount of the pad 332 toward the inner wall surface 72 with a screw or the like. The pad 332 includes a non-slip member such as rubber, like the pads 221 and 231 of the outer contact portions 22 and 23.
The inner abutment portion 33 can clamp the parapet 7 by causing the pad 332 to protrude toward the inner wall surface 72 by the rod-shaped body 331 and abut against the inner wall surface 72.

  The holding fixture fixing part 24 and the fitting part 31 are provided with one or more insertion holes 242 and 312 for inserting the pins 41 on the side surfaces perpendicular to the sliding direction by the sliding groove 241. I can leave. The clamping fixture fixing part 24 and the fitting part 31 can be fixed at the position of the corresponding insertion hole by inserting both of them with the pin 41. Further, a plurality of insertion holes 242 are provided at equal intervals along the sliding groove 241 in the holding fixture fixing part 24, and a parapet is selected by appropriately selecting the insertion holes 242 to be inserted together with the insertion holes 312 of the fitting part 31. The position of the inner abutting portion 33 can be roughly set according to the width of 7, and the protruding amount of the inner abutting portion 33 can be finely adjusted by the rod-shaped body 331 thereafter. Further, once adjusted to an appropriate protruding amount, even if the pin 41 is pulled out during the construction of the parapet 7 and the clamping bracket 3 is removed from the clamping bracket fixing portion 24, the pin is inserted into the insertion holes 242 and 312 at the same position after the construction is completed. By inserting 41, the holding state of the parapet 7 can be easily restored.

  The pin 41 inserted into the insertion holes 242 and 312 is connected to the hanging part 32 of the holding metal fitting 3 by the string 42 and can be prevented from being lost when the pin 41 is removed from the insertion holes 242 and 312. The string 42 may be a chain or the like. Moreover, the place which fixes the string 42 is not restricted to the hanging part 32, and can be an arbitrary place of the holding metal fitting 3. Further, it can be fixed to an arbitrary place on the handrail mounting bracket 1.

When the handrail mounting bracket 1 is attached to the parapet 7, as shown in FIG. 5, the distance S 1 between the upper end surface 73 including the cap 8 of the parapet 7 and the clamping bracket fixing portion 24, the outer wall surface 71 and the column of the parapet 7. An interval S2 between the fixing portion 21 and an interval S3 between the inner wall surface 72 of the parapet 7 and the hanging portion 32 are set to a predetermined length or more. Each of the intervals S1 to S3 may be a length that allows easy removal and attachment of the headboard 8 or the like, a length that allows a member or tool to be easily passed, and the like, for example, the intervals S1 to S3. Can be 40 mm or more, respectively. Each of the intervals S1 to S3 may be of a length that allows the construction work on the parapet 7 without removing the holding metal fitting 3 and releasing the holding state, and may be all the same length. It may be a different length. For example, the interval S1 can be a constant value of 40 to 80 mm, the interval S2 can be a constant value of 70 to 150 mm, and the interval S3 can be 70 to 200 mm. The interval S3 varies depending on the adjustment of the protruding amount of the inner contact portion 33.
Further, the interval S1 between the upper end surface 73 of the parapet 7 and the holding bracket fixing portion 24 can be set to the interval from the upper end of the casing 8 or the like to the clamping bracket fixing portion 24. .

In such a handrail mounting bracket 1, a force toward the outside of the parapet 7 is applied to the column 61 attached to the handrail mounting bracket 1 or the handrail 62 attached to the column 61, and the first outer contact portion 22 or the inner contact Even if the handrail mounting bracket 1 tries to rotate with the portion 33 as a fulcrum, the second outer abutting portion 23 provided below the first outer abutting portion 22 is pressed against and supported by the outer wall surface. Can be prevented, and the handrail 62 does not fall off due to the pinch of the parapet 7 being removed, thereby preventing the dropout.
Further, when the parapet 7 is to be constructed, for example, when the headboard 8 is replaced or the inner wall surface 72 or the upper end surface 73 is surface-treated, the column 61 is fixed to the column fixing portion 21 of the metal fitting body 2 as shown in FIG. On the other hand, the pin 41 is removed from the insertion holes 242 and 312, the fitting part 31 is slid, and the holding metal fitting 3 is detached from the opening end 243, so that the holding of the handrail attaching metal fitting 1 can be released. . At this time, even if the holding bracket 3 of the handrail mounting bracket 1b shown in FIG. 7 is temporarily removed, the parapet 7 is sandwiched between the adjacent handrail mounting brackets 1a and 1c (see FIG. 6). It is possible to prevent the metal fitting body 2 of the handrail mounting bracket 1b from which the 62 and the holding metal fitting 3 are removed from falling off, and the parapet 7 can be safely constructed while the handrail 62 is maintained.

  In addition, in this invention, it can be set as the aspect variously changed within the range of this invention according to the objective and use, without being restricted to what is shown to the said Example. For example, the holding fixture fixing part 24 can be provided with an interval adjusting tool for adjusting the interval S1 with the upper end surface 73 of the parapet 7. With the interval adjuster provided, the handrail mounting bracket is attached, and then the distance adjuster is removed, so that the height of the handrail mounting bracket 1 can be easily made constant, and the handrail undulates up and down. By hitting, it is possible to prevent the fall prevention performance from being affected. In addition, workability can be ensured with a constant interval.

DESCRIPTION OF SYMBOLS 1; Handrail attachment metal fitting, 2; Metal fitting main body, 21; Column fixing | fixed part, 22; 1st outer side contact part, 23; 2nd outer side contact part, 24; Nipping metal fitting fixing part, 241; 312; through-hole, 243; open end, 244, 245; guide,
3; clamping metal fitting, 31; fitting part, 32; drooping part, 33; inner contact part,
41; pin, 42; string,
6; Temporary handrail, 61; Pillar, 62; Handrail, 7; Parapet, 71; Outer wall surface, 72; Inner wall surface, 73;

Claims (8)

It is a mounting bracket that is locked in the form of sandwiching the parapet, and for standing the pillar of the temporary handrail,
A metal fitting body disposed on the outside of the parapet, and a holding metal fitting fixed to the metal fitting body so as to be detachable and holding the parapet between the metal fitting body,
The metal fitting body includes a column fixing portion that fixes the column, a first outer contact portion that contacts the outer wall surface of the parapet, and a second outer contact portion that is provided below the first outer contact portion. A clamping bracket fixing portion arranged to cross the parapet above the upper end of the parapet and fixing the clamping bracket,
The holding fixture includes a fitting portion that is detachably fitted to the holding fixture fixing portion, a hanging portion that hangs down from the fitting portion, and a lower end of the hanging portion that protrudes toward the inner wall surface of the parapet. An inner abutting portion that is in contact with the inner wall surface at the same height as the first outer abutting portion,
The inner contact portion can adjust the protrusion amount,
The distance between the upper end surface of the parapet and the holding fixture fixing part, the distance between the outer wall surface of the parapet and the column fixing part, and the distance between the inner wall surface of the parapet and the hanging part are each a predetermined length or more. A handrail mounting bracket characterized by the following.   The handrail mounting bracket according to claim 1, wherein the holding fixture fixing portion has a cylindrical shape with an open bottom surface, and an inner surface thereof serves as a sliding groove for sliding the fitting portion in the transverse direction. The holding fixture fixing part and the fitting part are provided with one or more through-holes for penetrating in a direction perpendicular to the sliding direction and for determining a fixing position in the sliding direction,
The handrail mounting bracket according to claim 2, wherein the fitting portion is fixed by a pin that is inserted through the through hole with respect to the holding fixture fixing portion.   The handrail mounting bracket according to claim 3, wherein an end of the sliding groove opposite to the pillar is opened, and the fitting portion is inserted / removed from the opened end. The holding fixture fixing part includes a guide formed to extend from the lower ends of both side surfaces, and supports both sides of the fitting part by the guide,
The handrail mounting bracket according to claim 4, wherein the hanging part is disposed so as to hang from the lower surface of the fitting part through the gap of the guide.   The handrail mounting bracket according to claim 5, wherein the pin is attached to the holding metal fitting or the metal fitting main body via a string.   The handrail mounting bracket according to claim 2, wherein the sliding groove has an end opposite to the pillar and opens and inserts and removes the fitting portion from the opening. The holding fixture fixing part includes a guide formed to extend from the lower ends of both side surfaces, and supports both sides of the fitting part by the guide,
The handrail mounting bracket according to claim 7, wherein the hanging portion is disposed so as to hang from the lower surface of the fitting portion through the gap of the guide.

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