JP6744163B2 - Support fence and protection fence - Google Patents

Description

The present invention relates to a protection fence support used for a protection fence installed on a road or the like, and a protection fence.

2. Description of the Related Art Conventionally, as a protection fence post installed on a road or the like, for example, in Patent Documents 1 to 3, an embedding machine base mounted on a movable vehicle so as to be horizontally rotatable, and undulating on the embedding machine base A pillar that is partially buried in soil is disclosed by a pillar embedding device that is provided with a guide device, a rotation drive device that can be moved up and down by the guide device, and a striking force generation device. When continuously burying small-diameter columns such as fence columns, noise during burying can be suppressed, and it is possible to bury in hard ground (Patent Documents 1 to 3). ..

JP, 2003-155745, A JP, 2004-238883, A JP, 2006-188855, A

However, in the above-mentioned protective fence support, in addition to burying the protective fence support by the rotation drive device, since a striking force generator is used, when burying the protective fence support by striking force, It is undeniable that noise is generated by the striking force, and further improvement has been desired.

The present invention provides a protection fence support and a protection fence having a structure capable of reducing noise generation when burying the protection fence support in the soil.

In order to achieve the above object, the present invention has the following configuration.
That is, the protection fence support according to the present invention includes a cylindrical support main body, and an excavating member provided with a plurality of blade portions projecting downward at the lower end of the mounting portion of the cylindrical body,
The outer diameter of the mounting portion is smaller than the inner diameter of the strut body, the mounting portion of the excavation member is inserted into the strut body from below and fixed to the strut body by a fixture,
The blade portion is provided such that a plurality of blade portions project downward at substantially equal intervals along the circumferential direction of the mounting portion, and the blade is provided in a state in which the excavating member is fixed to the prop body. The part is characterized in that it projects downward from the lower end of the pillar body .

Further, in the protective fence post according to the present invention, an insertion hole is provided in a lower end portion of the support main body, a through hole is provided in a side wall of the mounting portion, and a fixing tool is inserted into the insertion hole and the through hole. By doing so, the excavation member is fixed to the pillar main body, and a penetrating hole for fixing the beam support tool supporting the lateral beam of the protective fence using the through bolts and nuts near the upper end of the pillar main body. A hole may be formed, and the insertion hole and the through hole may be formed at the same angular position vertically in the circumferential direction .

Further, in the protection fence support according to the present invention, the blade portion includes a non-inclined side end portion extending in the axial direction of the cylindrical body formed at one side end defining the left and right widths and the other side. It may be provided with an inclined side end portion which is tapered toward the non-inclined side end portion formed at the end.

Further, in the protective fence post according to the present invention, the blade portion includes a non-inclined side end portion extending in the axial direction of a cylindrical body formed at one side end, and an inclined side end portion that is tapered. May be provided.

Further, a protective fence according to the present invention is characterized in that the protective fence post described in the above invention is used, and a fence member is attached to a main body of the protective fence post.

According to the protective fence support according to the present invention, the lower end portion of the excavating member having the mounting portion made of a cylindrical body, a plurality of blade portions are provided along the circumferential direction so as to project downward at intervals. A through hole is provided in a side wall of the mounting portion, and a fixing tool is inserted through the through hole of the mounting portion and an insertion hole provided at a lower end portion of a supporting column main body made of a cylindrical body so that the excavating member is provided with the supporting column main body. Since the blade portion is attached to the lower end portion of the pillar body so as to project from the lower end of the pillar body, the blade portion that projects downward from the lower end of the pillar body is inserted into the installation location, Since the rock is laid underground while excavating, the noise can be effectively reduced and buried.

Further, according to the protection fence support according to the present invention, since the excavation member is internally inserted in the support pillar main body, earth and sand etc. enter the protection fence support pillar, whereby the protection fence support It is possible to prevent the tip from being closed, reduce the construction load of the rotary press-in driving tool, and improve the construction efficiency. That is, in the method of rotary press-fitting of steel pipe piles, by reducing the ground resistance during construction, especially the resistance of the tips of the protective fence columns, and reducing the construction load, construction can be performed with a small construction heavy machine, and further construction The period can be shortened, and the construction cost for installing the protective fence can be reduced.

Further, according to the protection fence post according to the present invention, the blade portion includes a non-inclined side end portion extending in the axial direction of the cylindrical body formed at one side end defining the left and right widths, and the other end. Since it is provided with an inclined side end that is tapered toward the non-inclined side end formed at the side end, when pressing the blade portion protruding downward from the lower end of the strut body to the installation location, In addition to being easy to insert the blade into the installation location, the blade inserted into the installation location can be rotated in the direction of the end on the non-tilted side to scrape out soil and rock on the end on the non-tilted side. It is possible to bury the protection fence pillars well, and the pillar body is rotatably buried while excavating the earth and sand and rocks at the installation site, so it is possible to effectively reduce the generation of noise and bury it. It is possible to prevent an upward reaction force from being applied to the chip from the installation place when the support body is rotated, as compared with the case where the support body is rotated in the direction of the inclined side end.

Further, according to the protection fence post according to the present invention, the blade portion includes a non-inclined side end portion extending in the axial direction of the cylindrical body formed at one side end and an inclined side end that is tapered. Since it is equipped with a part, it is easy to insert the blade part that protrudes downward from the lower end of the strut main body into the installation place, and the blade part that has been inserted into the installation place is not inclined. By rotating in the direction of the side edge, the sand and rock can be scraped out at the non-inclined side edge, the protection fence pillar can be buried efficiently, and the pillar body excavates the earth and sand at the installation site. However, since it is rotated and buried, noise can be effectively reduced and buried, and compared to rotating in the direction of the inclined side end consisting of the inclined surface, it is installed when the pillar body is rotated. It is possible to prevent upward reaction force from being applied to the tip from a location.

Further, according to the protective fence according to the present invention, since the protective fence post described in the above invention is used and the fence member is attached to the main body of the protective fence post, noise during construction of the protective fence is reduced. It can be reduced, which is preferable.

1A is a front view, FIG. 1B is a right side view, FIG. 1C is a bottom view, and FIG. 1D is a plan view. It is the front view which expanded the lower part of the support|pillar for protection fences shown in FIG. An embodiment of the excavation member shown in FIG. 1 is shown, (a) is a front view, (b) is a right side view, (c) is a bottom view, and (d) is a plan view. 1A is a front view, FIG. 1B is a right side view, FIG. 1C is a bottom view, and FIG. 1D is a plan view. 1A is a front view and FIG. 1B is a side view showing an embodiment of a protective fence formed by using a protective fence post according to the present invention. The other embodiment of the excavation member which comprises the support|pillar for the protection fence which concerns on this invention is shown, (a) is a front view, (b) is a right side view, (c) is a bottom view, (d) is a top view. is there.

Next, a mode for carrying out the present invention will be specifically described with reference to the drawings. It should be noted that the present embodiment is merely an example for understanding the present invention, and regarding the shapes, structures, materials, etc. of the respective parts, variations other than the present embodiment are within the scope not departing from the gist of the present invention. Needless to say, it is allowed.

In the drawings, 1 is a protection fence post according to the present invention, 2 is a lateral beam which is a fence member erected between the protection fence struts 1 standing upright on the ground G at appropriate intervals, and 3 is a lateral beam 2. Is a beam support tool for supporting the protection fence support pillar 1, and the protection fence P uses the protection fence support pillar 1 according to the present invention, and a fence is provided on the support pillar body 11 made of a cylindrical body of the protection fence support pillar 1. The horizontal beam 2 which is a member is attached and formed.

The protection fence post 1 is provided at the lower end portion of the excavation member 4 provided with a mounting portion 41 made of a cylindrical body, and eight blade portions 42 projecting downward at substantially equal intervals along the circumferential direction thereof. The side wall 43 of the mounting portion 41 is provided with a through hole 44, and the through hole 44 of the mounting portion 41 and the insertion hole 12 provided at the lower end of the column body 11 are provided with a mounting bolt B as a fixture. The excavation member 4 is inserted and attached to the lower end of the column main body 11 so that the blade 42 projects from the lower end of the column main body 11, and is fixed by a nut N1.

A column cap C that closes the opening is attached to the upper end of the protective fence column 1, and a horizontal beam 2 is installed between the protective fence columns 1. In the present embodiment, the pillar body 11 is a steel pipe having a diameter of 114.3 mm and a thickness of 4.5 mm, the lateral beam 2 is a steel pipe having a diameter of 48.6 mm and a thickness of 3.2 mm, and the excavating member is No. 4 is formed of a steel pipe having a diameter of 101.6 mm and a thickness of 4.5 mm, and each has a weather-resistant coating finish as a corrosion-resistant base treatment.

The height of the lateral beam 2 above the ground is 600 mm, and the height of the horizontal beam 2 is 150 mm in each of the three stages. In addition, through holes 112 for inserting through bolts K, which will be described later, for attaching the transverse beam 2 are provided in upper and lower portions of the side walls 111 above the lower ends of the pillar bodies 11 in three stages in the vertical direction. There is. The diameters and thicknesses of the column main body 11 and the lateral beam 2 are not limited to these, and may be appropriately used.

The excavating member 4 includes the mounting portion 41 formed of a short cylindrical body mounted on the lower end portion of the column body 11, and the blade portion provided on the lower end portion thereof and protruding downward from the lower end of the column body 11. 42, and the excavation member 4 is inserted and attached to the pillar main body 11. As a result, it is possible to prevent the tip of the protection fence support column 1 from being blocked by the entry of earth and sand or the like into the protection fence support column 1, and to reduce the construction load of the rotary press-in driving tool. The workability can be improved. That is, in the method of rotationally press-fitting the protection fence prop, by reducing the ground resistance during construction, especially the resistance of the tip of the protection fence prop, and reducing the construction load, it is possible to perform construction with a small construction heavy machine. The construction period can be shortened, and the construction cost for installing the protective fence can be reduced.

As shown in FIGS. 1 to 3, the blade portion 42 is tapered with a non-inclined side end portion 421 extending in the axial direction of a cylindrical body formed at one side end that defines the left and right widths. It may be formed in a triangular shape having the inclined side end portion 422, or as shown in FIG. 6, it is extended in the axial direction of the cylindrical body formed at one side end that defines the left and right widths. It may be formed in a trapezoidal shape including a non-tilted side end 421 and a slanted side end 422 that is tapered toward the non-tilted side end 423 formed at the other side end.

By rotating the protection fence support 1 in the direction of the non-tilted side end 421 while pressing the support main body 11 downward, that is, in the present embodiment, clockwise rotation α in FIG. 1(d), The lower end of the protection fence post 1 is rotatably embedded in the ground G, and the protection fence post 1 is installed on the ground G. With the configuration as described above, when the blade portion 42 of the excavating member 4 projecting downward from the lower end of the column body 11 is pressed against the ground G, it is easy to insert the blade portion 42 into the ground G, By rotating the blade portion 42 inserted into the ground G in the direction α of the non-tilted side end portion 421, the non-tilted side end portion 421 can scrape out earth and sand and rock mass, and the protective fence post 1 can be efficiently used. In addition to being able to be buried, the protection fence support 1 is rotatably buried while excavating the earth and sand or rock of the ground G, so that it is possible to effectively reduce the generation of noise and bury the ground. It is possible to prevent upward reaction force from being applied to the excavation member 4 from the installation place when the pillar body 11 is rotated, as compared with the case of rotating in the direction of the inclined side end portion 422.

The lateral beams 2 are connected to each other at the connecting portions of the side ends that are adjacent to each other via substantially circular tubular connectors 21 that are inserted into the ends of the respective lateral beams 2. In the present embodiment, the horizontal beams 2 are mounted vertically in three stages, but the number is not particularly limited to this, and the number of stages such as two stages or four stages can be appropriately set as necessary. .. Further, although the fence member in the present embodiment is the horizontal beam 2, the fence member is not limited to this, and may be a vertical lattice-shaped one in which pipes are arranged vertically between the upper and lower horizontal beams 2, Further, a panel in which thin steel wires are welded in a mesh shape may be arranged.

The beam support member 3 includes a vertical plate portion 31 that is fixed to the side wall 111 of the column main body 11 by abutting, an upper plate portion 32 and a lower plate portion 33 that support the lateral beam 2. Further, the vertical plate portion 31 is brought into contact with the side wall 111 of the pillar body 11, a through bolt K penetrating the pillar body 11 in the horizontal direction is penetrated, and a nut N1 screwed to the through bolt K is screwed. Is fastened to the side wall 111 of the strut body 11, whereby the beam support 3 is attached to the protection fence strut 1.

The upper plate portion 32 and the lower plate portion 33 of the beam support member 3 are provided so as to project forward from the upper end portion and the lower end portion on the front surface side of the vertical plate portion 31, and support the lateral beam 2 by sandwiching it from above and below. Is. In the present embodiment, both ends of the transverse beams 2 adjacent to each other are connected to each other by the connection tool 21 with a space therebetween, and in the connection tool 21, a portion that appears in appearance is the upper plate portion 32, The fixing plate D is arranged between the lower plate portion 33 and the upper plate portion 32, the connector 21, and the lower plate portion 33 in the vertical direction, and the nut N2 is tightened to fix the upper plate portion 32 and the lower plate portion 33. The connector 21 is sandwiched between the lower plate portion 33 and the lower plate portion 33. Curved portions 34 and 35 are formed by bending the tip portions of the upper plate portion 32 and the lower plate portion 33 inward, respectively, and the upper plate portion 32, the lower plate portion 33, and the curved portions 34 and 35 are formed. The connection tool 21 is covered by this, and the design is improved. The transverse beam 2 may be directly inserted and sandwiched between the upper plate portion 32 and the lower plate portion 33.

When the distance between the adjacent protective fence columns 1 is relatively long, a protective fence column 1A is provided between the protective fence columns 1 and 1 and the middle of the lateral beam 2 is provided. The portion is supported by a beam support 3A attached to the protection fence column 1A. In the beam support tool 3A of the present embodiment, an upper plate portion 32 is horizontally extended from an upper portion of a vertical plate portion 31, an end portion of the upper plate portion 32 is bent downward, and a tip end thereof is moved forward. It is folded back in an arc shape toward a J-shaped section, and the transverse beam 2 is placed on the J-shaped portion, and the transverse beam 2 and the J-shaped portion are connected by a fixing bolt D. is there.

The pillar main body 11 and the excavation member 4 forming the protection fence pillar 1 are preferably made of metal in consideration of supporting the lateral beam 2, and are generally made of aluminum, stainless steel, steel or the like pipe, It is possible to suitably use a product obtained by cutting a long body made of a shaped material into an appropriate length, or a product obtained by plating or coating them.

Considering the required strength of the protective fence P, it is preferable to use a metal beam for the lateral beam 2 as in the case of the protective fence support 1. Generally, a pipe or a profile of aluminum, stainless steel, steel or the like is used. It is possible to suitably use a product obtained by cutting a long body made of (4) to an appropriate length, or a product obtained by plating or coating them.

The beam support 3 is preferably made of metal in consideration of supporting the transverse beam 2. Generally, a metal plate made of aluminum, stainless steel, steel or the like is press-formed, or is plated therewith, A coated product or the like can be preferably used.

The excavation member 4 shown in the present embodiment is inserted inside the pillar body 1, but the invention is not particularly limited to this, and the excavation member 4 is arranged outside the pillar body 1. It may be adapted to be fitted.

1, 1A Guard fence support 11 Support body 111 Side wall 112 Through hole 12 Insertion hole 2 Horizontal beam 21 Connector 3, 3A Beam support 31 Vertical plate part 32 Upper plate part 33 Lower plate part 34, 35 Curved part 4 Excavation member 41 mounting portion 42 blade portion 421 non-tilted side end portion 422 slanted side end portion 423 non-tilted side end portion 43 side wall 44 through hole P protective fence B mounting bolt C post cap K through bolt D fixing bolt G ground N1, N2 nut

Claims (5)

And a cylindrical support body, and an excavating member having a plurality of blade portions projecting downward at the lower end of the mounting portion of the cylindrical body,
The outer diameter of the mounting portion is smaller than the inner diameter of the strut body, the mounting portion of the excavation member is inserted into the strut body from below and fixed to the strut body by a fixture,
The blade portion is provided such that a plurality of blade portions project downward at substantially equal intervals along the circumferential direction of the mounting portion, and the blade is provided in a state in which the excavating member is fixed to the prop body. The part for the protective fence is characterized in that it is designed to project downward from the lower end of the main part of the column. An insertion hole is provided at the lower end of the pillar body, a through hole is provided in the side wall of the mounting portion, and the excavating member is fixed to the pillar body by inserting a fixing tool into the insertion hole and the through hole. In addition, the through hole for fixing the beam support tool for supporting the lateral beam of the protective fence by using the through bolt and the nut is formed in the vicinity of the upper end of the pillar body. The support fence column according to claim 1, wherein the through holes are formed at the same angular position in the vertical direction . The blade portion has a non-inclined side end portion extending in the axial direction of the cylindrical body formed at one side end defining the left and right widths, and the non-inclined side end portion formed at the other side end. 3. The support fence post according to claim 1 or 2, further comprising: an inclined side end portion that is tapered toward the side. The said blade part is provided with the non-inclined side edge part extended in the axial direction of the cylindrical body formed in one side edge, and the inclined side edge part which inclines to taper. The support fence support according to 1 or 2. A protective fence comprising: the protective fence post according to any one of claims 1 to 4; and a fence member attached to a main body of the protective fence post.

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