JP2008144533A - Bracket for single pipe scaffold - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bracket for a single pipe scaffold capable of preventing floating, by precisely fixing a bracket body, even if the height of a veranda front end is low. <P>SOLUTION: This bracket for the single pipe scaffold is composed of the bracket body 1 and a nonfloating stopper 2. The bracket body 1 is composed of a horizontal material 3 and a vertical material 4. A slide member 5 is fixably arranged in a required position in the horizontal material 3. A wear plate 7 abutting on an inside surface 10c of the veranda front end 10, is arranged in a lower end part of the slide member 5. A pipe clamp 8 gripping and fastening an inside longitudinal base single pipe Pin of the single pipe scaffold, is installed in the vertical material 4. The nonfloating stopper 2 is composed of a longitudinal material 9 rotatably installed in the vertical material 4 around the axis of itself, and a metal pad 11 abutting on an under surface 10d of a veranda, is integrally arranged in a lower end part of this longitudinal material 9. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a single pipe scaffolding bracket used for attaching a single pipe scaffold inside a single pipe scaffold to a nose tip side of a veranda when assembling a single pipe scaffold temporarily installed in an outer wall repair work such as an apartment. About.

  Specific known documents such as patent publications cannot be cited as conventional single-tube scaffold brackets, but currently used single-tube scaffold brackets are shown in FIG. From a bracket main body 33 formed in an L shape by a horizontal member 31 that is horizontally arranged along the upper end surface 10a of the nose tip 10 and a vertical member 32 that extends vertically downward from the base end of the horizontal member 31. Thus, a slide member 34 is attached to the horizontal member 31 so as to be fixed at a required position by a fixing bolt 35, and a screw shaft 36 for tightening is screwed to a lower end portion of the slide member 34 via a screw shaft holder 39. The vertical member 32 is attached with a pipe clamp 38 for gripping and tightening the inner vertical single pipe Pin.

  Thus, in using this single-tube scaffold bracket, the horizontal member 31 of the bracket body 33 is placed on the upper end surface 10a of the nose tip 10 of the veranda, and the vertical member 32 is applied to the outer side surface 10b of the nose tip 10. In this state, the bracket main body 33 is fixed to the nose tip portion 10 by pressing the metal plate 37 of the tip portion against the inner side surface 10c of the nose tip portion 10 while rotating the fastening screw shaft 36 in the fastening direction from the inside of the veranda. To do. After that, the inner vertical single pipe Pin of the single pipe scaffold is clamped by the pipe clamp 38 and held vertically.

  According to the bracket for a single pipe scaffold as described above, there is no problem if the height of the veranda nose tip 10 is somewhat high, but in the case of a low height such as the veranda nose tip 10 shown in FIG. The horizontal member 31 of the main body 33 is placed on the upper end surface 10a of the nose tip 10, the vertical member 32 is applied to the outer surface 10b of the nose tip 10, and the metal plate 37 of the tip of the fastening screw shaft 36 from the inside of the veranda. Is likely to be applied to the inner side surface 10c of the nose tip 10, the lower end of the screw shaft holder 39 attached to the lower end of the slide member 34 hits the floor surface of the veranda, and the bracket body 33 cannot be attached. In addition, the bracket as described above has a risk that the bracket may be lifted when an upward wind pressure is applied to the scaffold.

  The present invention has been made in view of the above-described problems, and is a single-tube scaffold that can accurately fix the bracket body and prevent the bracket body from being lifted even when the height of the nose of the veranda is low. The purpose is to provide a bracket for the use.

Means for solving the above problems will be described with reference numerals in the embodiments described later. The invention according to claim 1 is a bracket for a single pipe scaffold comprising a bracket body 1 and a lift stopper 2. And
The bracket body 1 is connected to a horizontal member 3 extending along the upper end surface 10 a of the veranda nose tip portion 10 of the building and a base end portion of the horizontal member 3 so as to be along the outer surface 10 b of the veranda nose tip portion 10. The horizontal member 3 is provided with a slide member 5 that can be fixed at a required position, and a contact 7 that contacts the inner side surface 10c of the nose tip 10 of the veranda at the lower end of the slide member 5. A pipe clamp 8 is attached to the vertical member 4 to clamp the inner vertical single pipe Pin of the single pipe scaffold.
The lifting stopper 2 is disposed along the vertical member 4 of the bracket body 1 and is attached to the vertical member 4 so as to be rotatable around its own axis, and a lower end portion of the vertical member 9. A vertical member rotating operation handle 12 is provided at an upper end portion of the vertical member 9.

  According to a second aspect of the present invention, in the bracket for a single pipe scaffold according to the first aspect, a bolt support base 13 is attached to the upper end side of the slide member 5 provided on the horizontal member 3 of the bracket body 1, A base end portion of a slide member fixing bolt 6 disposed horizontally on the upper side of the horizontal member 3 is rotatably locked, and the bolt 6 is attached to an end portion of the horizontal member 3 on the vertical member 4 side. A nut member 14 for screwing the threaded portion 6a is attached.

  A third aspect of the present invention is the bracket for a single pipe scaffold according to the first or second aspect, wherein the vertical member 9 of the lifting stopper 2 is itself provided by a pipe clamp 20 attached to the upper end portion of the vertical member 4 of the bracket body 1. It is characterized in that it is attached to the vertical member 4 so as to be rotatable around the axis.

  The effect of the invention by the above solution will be described with reference numerals in the embodiments described later. According to the bracket for a single pipe scaffold of the invention according to claim 1, the bracket main body 1 is mounted on the nose tip 10 of the veranda. The horizontal member 3 includes a horizontal member 3 extending along the end surface 10 a and a vertical member 4 connected to the base end portion of the horizontal member 3 at a right angle and extending along the outer surface 10 b of the veranda nose tip 10. A slide member 5 is provided so as to be fixed at a required position. A stopper 7 is provided at the lower end of the slide member 5 so as to contact the inner side surface 10c of the nose tip 10 of the veranda. A pipe clamp 8 for clamping the pipe Pin is attached. In use, the stopper 7 at the lower end of the slide member 5 is a drainage groove inside the nose tip 10 even when the height of the nose tip 10 is low. Rush to 30 Even you, because never hit the veranda floor F, height can also be applied to a low porch nose portion 10 becomes Yes, it is possible to accurately fixed in its nose portion 10.

  Moreover, according to this bracket for a single pipe scaffold, the lower end portion of the vertical member 9 that is disposed along the vertical member 4 of the bracket body 1 and is attached to the vertical member 4 so as to be rotatable around its own axis, The bracket main body 1 can be prevented from being lifted by the lifting stopper 2 that is integrally provided with the stopper 11 that contacts the lower surface 10d of the veranda.

  According to the second aspect of the present invention, the bolt support base 13 is attached to the upper end side of the slide member 5, and the bolt support base 13 is a slide member that is horizontally disposed on the upper side along the horizontal member 3. Since the base end portion of the fixing bolt 6 is rotatably locked, and the nut member 14 to which the screw portion 6a of the bolt 6 is screwed is attached to the end portion of the horizontal member 3 on the vertical member 4 side. The slide operation becomes easy.

  According to the invention of claim 3, the vertical member 9 of the anti-lifting member 2 is a vertical member that is rotatable around its own axis by a pipe clamp 20 attached to the upper end of the vertical member 4 of the bracket body 1. 4, the vertical member 9 can be easily attached to the vertical member 4 of the bracket body 1.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 (a) is a front view showing a use state of a bracket for a single pipe scaffold according to the present invention, (b) is a plan view, ) Is a side view, FIG. 2 (a) is a front view showing a bracket body of the bracket for single pipe scaffolding, and (b) is a front view showing a lifting stopper. The bracket for a single pipe scaffold of the present invention indicated by A in these drawings is basically constituted by a bracket body 1 and a lift stopper 2.

  The bracket body 1 is connected to a horizontal member 3 made of a square steel pipe extending along the upper end surface 10a of the nose tip 10 of the veranda in the building, and is connected to the base end portion of the horizontal member 3 at a right angle. The vertical member 4 made of a square steel pipe extending along the outer side surface 10b of the horizontal member 3 can be slid along the longitudinal direction of the horizontal member 3, and can be slid along the longitudinal direction by a bolt 6 for fixing the slide member. A stopper 7 is provided at the lower end of the slide member 5 so as to come into contact with the inner side surface 10c of the nose tip 10 of the veranda. The vertical member 4 holds the inner vertical single pipe Pin of the single pipe scaffold. Pipe clamps 8 to be tightened are attached at a plurality of positions in the vertical direction.

  The lift stopper 2 is arranged along the vertical member 4 of the bracket body 1 and is made of a round steel pipe attached to the vertical member 4 so as to be rotatable around the axis of the vertical member 9 itself by a pipe clamp 20. It is composed of a vertical member 9 and a brace 11 that is integrally attached to the lower end portion of the vertical member 9 and protrudes so as to come into contact with the lower surface 10d of the veranda. A vertical member rotating operation handle 12 is provided.

  The structure of the bracket body 1 and the lift stopper 2 will be described in more detail. The slide member 5 is a member made of a square steel pipe that is slidably fitted to a horizontal member 3 made of a square steel pipe. A bolt support base 13 formed in a downward U-shape by the front and rear side wall portions 13a, 13a and the upper wall portion 13b is fixed to the upper end portion of the slide member 5, and the front and rear side walls of the downward U-shaped bolt support base 13 are fixed. Bolt insertion holes 13c are formed in the portions 13a and 13a, respectively. Further, a nut member 14 is provided at the end of the horizontal member 3 on the vertical member 4 side, and this nut member 14 is fixed to the upper surface of the nut receiving piece 15 that is fitted over the horizontal member 3 and fixed with bolts 16 by welding. Is done.

  The slide member fixing bolt 6 is inserted into the bolt insertion holes 13c and 13c formed in the front and rear side wall portions 13a and 13a of the bolt support base 13, and the screw portion 6a on the distal end side is screwed into the nut member 14. At the same time, the base end side of the bolt 6 is a rotation operation portion 6b formed in a hexagonal shape, and a stopper 6c that contacts the front side wall portion 13a of the bolt support 13 is provided at the tip of the rotation operation portion 6b. ing. Therefore, the slide member 5 can be slid in the front-rear direction along the horizontal member 3 by rotating the base end side rotation operation portion 6b of the bolt 6 forward and backward with a wrench or the like.

  In this case, for example, when the bolt 6 is rotated in the forward direction, the bolt 6 moves forward and the slide member 5 is slid forward. However, when rotating in the reverse direction, only the bolt 6 is retracted. The slide member 5 may be slid backward by hand by the amount of the retreat.

  The stopper 7 provided at the lower end portion of the slide member 5 of the bracket body 1 is formed by bending a steel plate into a U-shape outward in cross section, and is fixed to the lower end portion of the slide member 5 by welding. In addition, the stopper 11 provided at the lower end portion of the vertical member 9 constituting the lift stopper 2 is also formed by bending the steel plate in a U-shaped cross section downward, and is welded to the lower end portion of the vertical member 9 by welding. It is fixed.

  As can be seen from FIGS. 2 (a) and 2 (b), the bracket body 1 has elastic pads 17 and 18 attached to the lower surface of the vertical member 4 side of the horizontal member 3 and the inner surface of the vertical member 4 so as to be lifted. An elastic pad 19 is attached to the upper surface of the stopper 11 for the stopper 2.

  The pipe clamp 8 attached to the vertical member 4 of the bracket body 1 has a bolt 22 and a U-shaped mounting base 21 made of a steel plate welded to the vertical member 4 at regular intervals, as can be seen from FIG. Attached by. Further, the pipe clamp 20 on the lift stop 2 side is attached to the upper end portion of the vertical member 9 by a bolt 23 as shown in FIG.

  In using the single pipe scaffolding bracket A configured as described above, the vertical member 9 of the anti-lifting 2 is attached to the vertical member 4 by the pipe clamp 20 with the vertical member 4 of the bracket body 1 attached thereto. The stopper 11 at the lower end of the vertical member 9 is held by a pipe clamp 20 at a position that opens at a right angle or higher with respect to the horizontal member 3 of the bracket body 1, and the slide member fixing bolt 6 is loosened. Thus, the gap between the stopper 7 protruding from the lower end of the slide member 5 and the vertical member 4 is set to be appropriately wider than the width of the veranda nose tip 10.

  Thus, the horizontal member 3 of the bracket body 1 is placed on the upper end surface 10a of the veranda nose tip 10, and the vertical member 4 is applied to the outer side surface 10b of the nose tip 10, and from this state, By rotating the rotation operation portion 6b of the bolt 6 in the tightening direction and sliding the slide member 5 forward, the handle 7 is pressed against the inner surface 10c of the nose tip portion 10 and then the handle vertical member of the lift stopper 2 By rotating the handle 12 for rotation operation from the position shown by the phantom line in FIGS. 1B and 2B to the position shown by the solid line, the vertical member 9 is rotated around its own axis. The pipe 11 is tightened with the pipe clamp 20 tightened in a state in which the metal plate 11 at the lower end of the vertical member 9 is positioned on the lower surface 10d of the veranda and the vertical member 9 is lifted and attracted to the lower surface 10d of the veranda. 9 By fixing to the vertical member 4 of the bracket main body 1, the bracket main body 1 is fixed to the nose tip portion 10 of the veranda so as not to be lifted, as shown in FIG. 1 (a) and FIG. 4 (a). It will be.

  FIG. 3 shows a state where the single-tube scaffold K is assembled on the outside of the veranda of the apartment, for example, using the single-tube scaffold bracket A fixed to the nose tip 10 of the veranda as described above. That is, in assembling the single pipe scaffold K, the inner vertical single pipe Pin is pinched by holding the inner vertical single pipe Pin by the pipe clamp 8 to the vertical member 4 of the bracket body 1 of each bracket A. Is held in a vertical posture. An outer vertical single pipe Pou is arranged outside the inner vertical single pipe Pin, and a hook (not shown) of a scaffolding plate is engaged between the inner vertical single pipe Pin and the outer vertical single pipe Pou. The horizontal brace 25 is interposed between the inner vertical single pipe Pin and the outer vertical single pipe Pou that are adjacent to each other in the longitudinal direction of the scaffolding plate. A handrail / brace 26 is interposed between the outer vertical single pipes Pou adjacent to each other in the longitudinal direction of the scaffolding plate, and the inner vertical single pipe Pin and the outer vertical single pipe Pou are sequentially added. Assemble a single tube scaffold K as shown in FIG.

  The single wall scaffold K assembled in this way is used to repair the outer wall of an apartment or the like. In the case of an outer wall repair work in a high-rise apartment or the like, the single pipe scaffold K as shown in FIG. From the veranda side, the single-pipe scaffolding K is separated from the veranda side and installed on the veranda side from the 4th floor to the 6th floor. The pipe scaffolding K is moved every few floors, that is, the work is performed while changing the order. In such a case, the bracket A for a single pipe scaffold is extremely effective.

  That is, when the outer wall repair work from the first floor to the third floor is completed as described above and the single pipe scaffold K is separated from the veranda side, the slide member fixing bolt 6 on the bracket body 1 side of each single pipe scaffold A is attached. In addition to loosening, the vertical member rotating handle 12 on the anti-lifting 2 side may be turned so that the metal pad 11 at the lower end of the vertical member 9 is detached from the lower surface 10d of the veranda. Is installed on the veranda on the upper floor side, the slide member fixing bolt 6 on the bracket body 1 side is tightened, and the vertical member 9 on the lift stopper 2 side is rotated by the handle 12. This makes it easier to reorder.

(a) is a front view which shows the use condition of the bracket for single pipe | tube scaffolds based on this invention, (b) is a top view, (c) is a side view. (a) is a front view showing a bracket body of the bracket for a single pipe scaffold, and (b) is a front view showing a lift stopper. It is a side view of the state which assembled the single pipe scaffold on the outer side of the veranda using the bracket for single pipe scaffolds. (a) is an enlarged view of the part indicated by an arrow X in FIG. 3, a front view of a single tube scaffolding bracket attached to the nose of the veranda, (b) is a plan view, and (c) is a lift. It is explanatory drawing explaining the state which puts in and puts out the stopper metal plate with respect to the lower surface of a veranda by rotation of a vertical member. (a) And (b) is a front view explaining the attachment state of the bracket for conventional single pipe scaffolds.

Explanation of symbols

A Bracket for single pipe scaffold 1 Bracket body 2 Lifting stop 3 Horizontal member 4 Vertical member 5 Slide member 6 Slide member fixing bolt 7 Latch 8 Pipe clamp 9 Vertical member 10 Veranda nose 11 Latch 12 Vertical member rotation operation Handle 13 Bolt support 14 Nut member 20 Pipe clamp

Claims (3)

It is a bracket for a single pipe scaffolding consisting of a bracket body and a lift stopper,
The bracket body is composed of a horizontal member extending along the upper end surface of the veranda nose portion of the building, and a vertical member connected to the base end portion of the horizontal member at a right angle and extending along the outer surface of the veranda nose portion. The horizontal member is provided with a slide member that can be fixed at a required position, and a lower end of the slide member is provided with a contact that contacts the inner surface of the nose of the veranda. Attach a pipe clamp to clamp the single pipe,
The anti-lifting is arranged along the vertical member of the bracket body, and a vertical member attached to the vertical member so as to be rotatable around its own axis, and projecting from the lower end of the vertical member, A bracket for a single pipe scaffold, which is made of a metal abutting against the lower surface of the veranda, and is provided with a handle for rotating the vertical member at the upper end of the vertical member.   A bolt support is attached to the upper end side of the slide member provided on the horizontal member of the bracket body, and the base end of the slide member fixing bolt that is horizontally disposed on the upper side of the bolt support along the horizontal member. 2. The single pipe scaffold according to claim 1, wherein a nut member that locks the portion rotatably and is attached to a vertical member side end portion of the horizontal member to screw the screw portion of the bolt. bracket. The vertical member for lifting prevention is attached to the vertical member so as to be rotatable around its own axis by a pipe clamp attached to the upper end of the vertical member of the bracket body. Bracket for single pipe scaffolding.

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