JP5520181B2 - Prop construction method - Google Patents

Description

  The present invention relates to a method for constructing a pillar installed on a road surface such as a roadside, a walking zone, a passage in a site, a park, a promenade, and a bicycle path, for example.

  Conventionally, there are a lot of pillars such as car stops that physically or psychologically prevent the entrance of vehicles to sidewalks and parks, and display boards that are installed near the entrance of parks, for example, indicating the evacuation area in the event of a disaster. The invention has been made.

  For example, Patent Literature 1 discloses an outer cylinder member having a substantially cylindrical shape with a convex top portion, a fixing support member disposed under the outer cylinder member, and an outer cylinder member of the fixing support member. A road sign post composed of a coil spring disposed at an inner side end portion and a polyurethane foam filled inside a cylindrical outer cylinder member, wherein a part of the fixing post member is an outer cylinder member A method of constructing a pillar that is a road sign pillar that is exposed to the outside from the lower end of the steel plate and that the portion exposed to the outside of the fixing pillar member is fixed in the ground by placing concrete or the like is disclosed. ing.

JP 2008-150900 A

  However, once the above-mentioned conventional struts are fixed in the ground, they are damaged due to, for example, the collision of a vehicle and need to be replaced, so it is necessary to dig up the struts from the concrete foundation and replace them. The work was very complicated.

  The present invention is intended to solve the above-described problems and to provide a strut construction method capable of efficiently performing the strut replacement work.

In order to achieve the above object, the present invention is configured as follows.
That is, the strut construction method according to the present invention is a strut construction method that is detachably erected on the installation surface, and a sheath tube that is pivotally supported at the upper end is embedded in the installation surface. The bolt protrudes from the bottom surface of the column, and the bolt is screwed into the female screw portion of the insert body having the female screw portion formed thereon, and the insert body is attached to the bottom surface of the column, and the insertion The support is erected on the installation surface by inserting the body into the sheath tube.

  In the column construction method according to the present invention, an upper surface plate having a through hole through which a bolt penetrates is provided at the center of the upper end of the insert, and a vertical wall is erected at one end of the upper surface plate. A protrusion projecting outward is provided on the upper portion of the vertical wall, and a through hole is formed in the protrusion. On the other hand, the sheath pipe is an upper end of a tubular sheath body. An openable / closable lid is pivotally supported, and a hole is formed in the lid, and an insert attached to the bottom surface of the base portion is inserted into the sheath tube, and the sheath tube is also perforated. The projecting piece provided on the vertical wall of the insert is protruded from the hole, and the lock is inserted into the projecting hole of the projecting piece and locked, so that the insert is fixed to the buried sheath tube, and the column is Is characterized in that it is erected on the installation surface.

  Moreover, the strut construction method according to the present invention is characterized in that the upper surface plate and the insert are formed separately.

  Further, in the column construction method according to the present invention, the insert is formed into a tubular shape having a female screw portion provided on an inner upper portion thereof, and the vertical wall protrudes upward from both ends of the horizontal bottom plate. It is provided on the bottom plate of the holding portion formed in a U-shape and opened upward, and the vertical wall of the holding portion and the peripheral wall of the tubular insert are fixed. Is.

  The strut construction method according to the present invention is a strut construction method erected on the installation surface, in which a bolt protrudes from the bottom surface of the strut, and the bolt has a tubular shape in which a female screw portion is formed on the top. The insertion body is screwed into the female threaded portion of the insertion body, the upper end of the peripheral wall of the insertion body is brought into contact with the bottom surface of the support column, and the insertion body is attached, and the insertion body is inserted into the insertion hole formed in the installation surface. The column is embedded and fixed on the installation surface, and the support column is erected on the installation surface.

  Further, in the above-described invention, the column construction method according to the present invention is such that a bolt projecting from the bottom surface of the column is screwed into the female screw part, and the upper end of the peripheral wall of the insert is in contact with the bottom surface of the column in advance. The body is attached, and thereafter, the insertion body is embedded and fixed in the insertion hole formed in the installation surface.

  Further, in the above-mentioned invention, the column construction method according to the present invention is the above invention, wherein the insert is first embedded and fixed in the insertion hole formed on the installation surface, and then the bolt projecting from the bottom surface of the column is inserted into the female screw of the insert. The insert is attached by being screwed into the portion and the upper end of the peripheral wall of the insert is brought into contact with the bottom surface of the support column.

  According to the present invention, there is provided a method for constructing a support column that is detachably installed on an installation surface, wherein a sheath tube having an openable / closable lid pivotally supported at the upper end is embedded in the installation surface, and a bolt is mounted from the bottom surface of the support column. And the bolt is screwed into the female screw portion of the insert body having a female screw portion formed thereon, and the insert body is attached to the bottom surface of the support column, and the insert body is attached to the sheath tube. Since the column is erected on the installation surface by being inserted, the column can be easily attached and detached as necessary, and the column replacement operation can be performed efficiently.

  An upper surface plate having a through hole through which a bolt penetrates is provided at the center at the upper end of the insert, and a vertical wall is erected at one end of the upper surface plate. And a projecting hole is formed in the projecting piece. On the other hand, the Saya tube is supported by an openable / closable lid at the upper end of a tubular Saya tube body. The lid is provided with a hole, and the insert attached to the bottom surface of the base portion is inserted into the sheath tube, and the hole formed in the lid of the sheath tube is provided in the vertical wall of the insert body. The protruding piece is protruded, and a lock is inserted into the through-hole of the protruding piece and locked, so that the insert is fixed to the buried sheath pipe and the column is erected on the installation surface. Therefore, by installing the support on the installation surface, and removing the support by unlocking the lock and removing the insert from the sheath tube, etc. Attachment and detachment of the pillar is easy.

  Since the top plate and the insert are formed separately, the process of manufacturing the insert can be simplified, which is preferable.

  The insert has a tubular shape with a female threaded portion provided on the inner upper portion thereof, and the female threaded portion has a U-shape with vertical walls projecting upward from both ends of a horizontal bottom plate. Since it is provided on the bottom plate of the formed holding portion and the vertical wall of the holding portion and the peripheral wall of the tubular insert are fixed, the insert can be manufactured at low cost.

Moreover, if the insert is directly buried in the installation surface and the support is installed without using the sheath pipe, the construction becomes extremely easy.

It is a front view which shows one Embodiment of the support | pillar constructed | assembled by the construction method of the support | pillar which concerns on this invention. (A) is a front view, (b) is a plan view, and (c) is a left side view of the insert used in the embodiment shown in FIG. It is principal part sectional drawing of FIG. FIG. 1A is a front view, FIG. 2B is a plan view, and FIG. 3C is a left side view of a sheath tube used in the embodiment shown in FIG. The principal part of embodiment shown in FIG. 1 is shown, (a) is sectional drawing of a front, (b) is a left view. It is explanatory drawing which shows the construction method of the support | pillar which concerns on this invention. The other embodiment of the insertion body used for the construction method of the support | pillar which concerns on this invention is shown, (a1) is a front view of an insertion body, (a2) is a top view of an insertion body, (b1) is an upper surface board and a vertical wall (B2) is a top view of an upper surface board and a vertical wall. It is explanatory drawing which shows another embodiment of the insertion body used for the construction method of the support | pillar which concerns on this invention. 8 shows the insert used in the embodiment shown in FIG. 8, (a1) is a front view of the insert, (a2) is a plan view of the insert, (a3) is a sectional view of (a1), and (b1) is the top The front view of a face plate and a vertical wall, (b2) is a top view of an upper surface board and a vertical wall.

Next, the best mode for carrying out the present invention will be specifically described with reference to the drawings.
The column 1 constructed by the column construction method according to the present invention and erected on the installation surface G includes a column body 10, a cap 11 placed on the upper end portion thereof, and a base portion 12 disposed at the lower portion thereof. ing. The column main body 10 is an elastically deformable cylinder (in this embodiment, an elastically deformable cylinder), and is made of an elastically deformable synthetic resin material such as polyurethane synthetic resin, silicone resin, or elastomer. With this configuration, the column main body 10 is configured to bend when a strong external force such as a collision of a vehicle or bicycle or a stepping on a person is applied, and to be restored to its original state by its elasticity when the external force is removed. . In addition, a bolt B projects from the bottom surface 121 of the base portion 12 downward. In addition, the support | pillar 1 may be a thing which can be elastically deformed, and may be formed with a metal and cannot be elastically deformed.

  On the outer periphery of the cap 11 and the outer periphery of the base portion 12, a belt-like reflector R1 in which spherical glass beads are embedded in a synthetic resin is fitted and attached to a groove formed in the base portion 12.

  21 is a circular-shaped insert attached to the bottom surface 121 of the base portion 12 of the column 1, and the insert 21 is provided with a female screw portion 22 above the inside of the circular tubular insert 21. The bolt B of the support column 1 is screwed into the portion 22, and the insert 21 is attached to the bottom surface 121 of the base portion 12. An upper surface plate 24 having a through hole 23 through which the bolt B passes is attached at the center above the female screw portion 22, that is, at the upper end of the insert 21. A vertical wall is attached to one end of the upper surface plate 24. 25, a protruding piece 26 protruding outward is provided on the upper portion of the vertical wall 25, and a through hole 27 is formed at the tip of the protruding piece 26.

  Reference numeral 3 denotes a sheath tube made of a circular tubular body, and the sheath tube 3 is embedded so that an upper end thereof is substantially flush with an installation surface G on which the support column 1 is installed, and the insertion into the sheath tube 3 is performed. The column 1 is erected by inserting the body 21. In the sheath tube 3, an openable and closable lid 32 is pivotally supported by a support shaft 33 at the upper end of a circular tubular sheath body 31, and a circular hole 34 is bored at a substantially central portion of the lid 32. .

  When the support column 1 is installed on the installation surface G, the lid 32 of the closed sheath pipe 3 is rotated around the support shaft 33 to open the lid 32, and then the base portion 12. The insert 21 attached to the bottom surface 121 is inserted into the sheath tube 3, and the projecting piece 26 provided on the vertical wall 25 of the upper surface plate 24 is protruded from the hole 34 formed in the lid 32. By inserting a lock J such as a padlock into the through-hole 27 of the door and locking it, the insert 21 is fixed to the buried sheath tube 3, and the column 1 is erected on the installation surface G, and the column 1 is installed. Is done.

  In this way, the insertion body 21 is attached to the bottom surface 121 of the support column 1 via the bolt B protruding from the bottom surface 121, and the insertion structure 21 is inserted into the sheath tube 3, thereby installing the support column 1 on the installation surface G. Further, by removing the lock J and removing the insert 21 from the sheath tube 3, it is easy to attach and detach the support 1, such as removing the support 1, and making the insert 21 longer, If the insertion body 21 is inserted deeply into the sheath tube 3, the strength of the support column 1 against a lateral fall is increased, and the lock J can be locked to prevent unnecessary removal by a third party.

  In the above embodiment, as shown in FIG. 2, the upper surface plate 24 is integrally attached to the upper end of the insert 21, and the vertical wall 25 is erected at one end of the upper surface plate 24. The body 21 and the upper surface plate 24 with the vertical wall 25 standing at one end thereof may be formed separately.

  That is, as in the embodiment shown in FIG. 7, the insert 21 is formed in a tubular shape having an upper end opened and a female screw portion 22 on the inside, and is formed on the upper end of the peripheral wall 211 of the insert 21. A through hole 23 through which the bolt B of the column 1 passes is drilled in the center, and an upper surface plate 24 having a vertical wall 25 standing at one end thereof is provided. A projecting piece 26 that protrudes toward is provided.

  When the support column 1 is constructed with the embodiment shown in FIG. 7, the upper surface plate 24 is disposed on the upper end of the peripheral wall 211 of the insert 21, and in this state, the bottom plate 121 extends downward from the bottom surface 121 of the base portion 12 of the support column 1. The bolt B projecting toward the end is inserted, or the bolt B is inserted into the through hole 23 of the upper surface plate 24 in advance and the upper surface plate 24 together with the columns 1 is arranged at the upper end of the peripheral wall 211 of the insert 21 in this state, Next, the bolt B is screwed into the female screw portion 22 of the insertion body 21, and the top plate 24 is sandwiched between the upper end of the peripheral wall 211 of the insertion body 21 and the bottom surface 121 of the base portion 12 of the support column 1. The insert 21 and the upper surface plate 24 are fixed. Then, with the lid 32 of the sheath tube 3 embedded substantially flush with the installation surface G being opened, the insert 21 is inserted into the sheath tube 3 and a vertical wall is formed from the hole 34 bored in the lid 32. If the protruding piece 26 provided on 25 is protruded, and a lock J such as a padlock is inserted into the through hole 27 of the protruding piece 26 and locked, the column 1 is applied to the installation surface G.

  Further, as shown in FIGS. 8 and 9, in still another embodiment in which the insert 21 and the top plate 24 with the vertical wall 25 standing at one end thereof are separately formed, a circular insert 21 is provided. The upper end of the insertion member 21 is not closed by being opened, and the internal thread portion 22 provided on the inner upper portion of the insert 21 has upper walls 282 and 282 projecting upward from both ends of the horizontal bottom plate 281. The vertical wall 282 of the holding portion 28 and the peripheral wall 211 of the circular tubular insert 21 are opposed to each other. It is formed by being fixed by fixing members 29, 29 such as individual blind rivets. More specifically, the vertical walls 282 and 282 of the holding portion 28 are fixed by fixing members 29 and 29 such as rivets and screws so as to be strings of the peripheral wall 211 of the circular insert 21 in plan view. A round hole 283 is formed in the center of the bottom plate 281 of the portion 28, and a female screw portion 22 made of a nut is fixed concentrically with the round hole 283 on the upper surface of the bottom plate 281. Then, similarly to the embodiment shown in FIG. 7, the bolt B of the support column 1 is inserted into the through hole 23 of the upper surface plate 24, and then the bolt B is screwed into the female screw portion 22 of the insertion body 21. The top plate 24 is sandwiched between the upper end of the peripheral wall 211 of the insert 21 and the bottom surface 121 of the base portion 12 of the column 1, and the column 1, the insert 21 and the top plate 24 are fixed.

  In order to firmly fix the column 1, the insert 21 and the top plate 24, a round hole 283 having a diameter larger than that of the bolt B of the column 1 is formed in the center of the bottom plate 281 concentrically with the female screw portion 22. When the bolt B is screwed into the female screw portion 22 and fastened, the tip of the bolt B protrudes from the round hole 283 even if a long bolt is used. The bolt B can be firmly fastened to the female screw portion 22.

  In addition, one through hole 212 is formed in the upper portion of the peripheral wall 211 of the insert 21. When the bolt B and the female screw portion 22 are screwed off, fine sand or dust enters between the through holes 212, and when the support 1 is not removed when the support 1 is replaced, the through holes 212 are formed in the through holes 212. A through-hole 212 is provided so that a tool such as a screwdriver can be pushed in to hold the insert 21 firmly and the column 1 can be easily rotated and removed.

  In the embodiment shown in FIGS. 7 to 9 in which the insert 21 and the upper plate 24 are formed separately, the support 1 is installed on the installation surface G by inserting the insert 21 into the sheath tube 3. When the sheath tube 3 and the insert 21 are fixed by the lock J, the top plate 24 is used, and the top plate 24 is sandwiched between the upper end of the peripheral wall 211 of the insert 21 and the bottom surface 121 of the base portion 12 of the column 1. However, it is also possible to install the support column 1 directly on the installation surface G without using the sheath tube 3. In this case, the upper surface plate 24 may be used. However, the upper surface plate 24 is mainly used because it is mainly for preventing the insert 21 from being unnecessarily pulled out of the saddle rod 3 such as mischief. There is no need, and without using the top plate 24, the bolt B of the support column 1 is screwed and fixed to the female screw portion 22 of the insert body 21, and the insert body 21 is embedded in the installation surface G so that the support column 1 is directly installed. You just have to do it. In this case, since the upper surface plate 24 is not used, the bottom surface 121 of the base portion 12 of the support column 1 comes into contact with the upper end of the peripheral wall 211 of the insert 21.

As described above, when the column 1 is directly installed on the installation surface G without using the sheath tube 3, the bolt B projecting from the bottom surface 121 of the column 1 is screwed into the female screw portion 22 of the insert 21. Then, the upper end of the peripheral wall 211 of the insert 21 is brought into contact with the bottom surface 121 of the support column 1 in advance, and the insert 21 is attached. Thereafter, the insert 21 is embedded and fixed in the insertion hole formed in the installation surface. May be.

  First, the insertion body 21 is embedded and fixed substantially flush with the installation surface in the insertion hole formed on the installation surface, and then the bolt B projecting from the bottom surface 121 of the support column 1 is inserted into the female screw portion of the insertion body 21. The insert 21 may be attached by screwing it into the bottom 22 of the support 1 and bringing the upper end of the peripheral wall 211 of the insert 21 into contact with the bottom surface 121 of the column 1.

  In the above-described embodiment, the sheath tube 3 and the insert 21 are illustrated in the form of a circular tube, but are not particularly limited to a circular tube, and have a polygonal shape such as a quadrangle or a pentagon. In short, it is only necessary that the insertion body 21 can be inserted into the sheath tube 3 and the support column 1 can be self-supported through the insertion body 21.

  Further, in the embodiment shown in FIGS. 2 and 7, the protruding piece 26 protruding outward from the upper portion of the vertical wall 25 erected on one end of the upper surface plate 24 is formed in a vertical plate shape. However, as in the embodiment described in FIGS. 8 and 9, the protruding piece 26 may be formed in a horizontal plate shape.

  According to the present invention, a sheath tube having an openable and closable lid pivotally supported at the upper end is embedded in the installation surface, and a bolt protrudes from the bottom surface of the support column. Since the insertion body is screwed into the female thread portion of the insertion body, the insertion body is attached to the bottom surface of the support column, and the insertion body is inserted into the sheath tube, so that the support column stands on the installation surface. The strut can be easily attached and detached as necessary, and can be suitably used as a strut construction method capable of efficiently performing the replacement work of the strut.

DESCRIPTION OF SYMBOLS 1 support | pillar 10 support | pillar main body 11 cap 12 base part 121 bottom face 21 insert body 211 peripheral wall 212 through-hole 22 female screw part 23 through-hole 24 top plate 25 vertical wall 26 protrusion piece 27 through-hole 28 holding part 281 bottom plate 282 vertical wall 283 round hole 29 Fixing member 3 Saya tube 31 Saya tube body 32 Lid 33 Support shaft 34 Hole B Bolt R1 Reflector J Lock

Claims (4)

A method for constructing a support column that is detachably installed on an installation surface, wherein a sheath tube with a freely openable / closable lid is pivotally supported at the upper end is embedded in the installation surface, and a bolt projects from the bottom surface of the support column. The bolt is screwed into the female screw portion of the insert body having the female screw portion formed thereon, and the insert body is attached to the bottom surface of the post, and the insert body is inserted into the sheath tube, thereby To stand on the installation surface ,
An upper surface plate having a through hole through which a bolt penetrates is provided at the center at the upper end of the insert, and a vertical wall is erected at one end of the upper surface plate. And a projecting hole is formed in the projecting piece. On the other hand, the Saya tube is supported by an openable / closable lid at the upper end of a tubular Saya tube body. The lid is provided with a hole, and the insert attached to the bottom surface of the support column is inserted into the sheath tube, and the insert body is provided on the vertical wall of the insert body through the hole drilled in the lid of the sheath tube. The projecting piece is projected, and the lock is inserted into the through-hole of the projecting piece and locked, so that the insert is fixed to the buried sheath tube and the column is erected on the installation surface. The construction method of the characteristic prop. Construction method of the strut according to claim 1, wherein the upper plate and the insert is characterized by being formed separately. The insert has a tubular shape with a female screw portion provided on the inner upper portion thereof, and the female screw portion has a U-shape with vertical walls projecting upward from both ends of a horizontal bottom plate. The construction of the column according to claim 1 or 2 , wherein the support is provided on the bottom plate of the formed holding part, and the vertical wall of the holding part and the peripheral wall of the tubular insert are fixed. Method. A method for constructing a support column that is detachably installed on an installation surface, wherein a sheath tube with a freely openable / closable lid is pivotally supported at the upper end is embedded in the installation surface, and a bolt projects from the bottom surface of the support column. The bolt is screwed into the female screw portion of the insert body having the female screw portion formed thereon, and the insert body is attached to the bottom surface of the post, and the insert body is inserted into the sheath tube, thereby To stand on the installation surface,
The insert has a tubular shape with a female screw portion provided on the inner upper portion thereof, and the female screw portion has a U-shape with vertical walls projecting upward from both ends of a horizontal bottom plate. A method of constructing a column, wherein the column is provided on the bottom plate of the formed holding portion, and the vertical wall of the holding portion and the peripheral wall of the tubular insert are fixed.

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