JP4113215B2 - Pole basic structure and pole installation method - Google Patents

Description

  The present invention relates to a basic structure and installation method of a pole that is set up in the vicinity of a store or the like to support a signboard or the like.

  As a basic structure of a conventional pole, one described in Patent Document 1 shown below is known. In this device, in order to adjust the mounting angle and height of the pole, a pole holding portion capable of expanding the diameter is provided at the base end portion of the pole.

JP 2004-279722 A

  However, in such a conventional pole foundation structure, in order to manipulate the diameter expansion at the base end of the pole, a connecting member extending from the base end to the ground surface must be provided, the structure becomes complicated, and the pole It is difficult to adjust the inclination of the.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a basic structure of a pole that can be temporarily installed or installed with sufficient strength while an operation such as angle adjustment is extremely simple.

The invention described in Claim 2 is intended to provide a method of installing the pole that enables easy just once go to the site.

In order to achieve the above object, the invention according to claim 1 is a basic structure of a pole that is inserted into a vertical hole excavated from the ground surface, and only above the base hole at a distance slightly less than the depth of the vertical hole. the transverse part projecting outwardly, provided on the pole integrally, the transverse part, the member pressing capable imparts pressing force to the longitudinal hole wall, Ru provided at least three in a position which is capable of supporting the pole in a vertical hole In addition, a hole expanding portion is provided near the ground surface of the vertical hole, the pressing member is applied with a pressing force downward with respect to the bottom of the hole expanding portion, and a seat plate is provided between the pressing member and the hole expanding portion. It is characterized by interposing .

In order to achieve the above object, the invention described in claim 2 is characterized in that the pole having the basic structure is installed by pressing the pressing member into the vertical hole after forming the vertical hole. .

  According to the present invention, there is an effect that it is possible to provide a pole base structure or an installation method capable of temporary installation or installation with sufficient strength by a simple operation.

  Hereinafter, a basic structure or an installation method of a pole according to an embodiment of the present invention will be described based on the drawings as appropriate.

[First Embodiment]
FIG. 1 is a central longitudinal sectional view of the main part of the basic structure of the pole according to the first embodiment, and FIG. 2 is a sectional view taken along line AA in FIG. For example, the earth retaining pipe 2 is put in a state where it is slightly submerged from the ground surface L at a position where a square pole pole 1 having a length of 6 meters or more is installed for a store signboard. The length of the earth retaining pipe 2 is, for example, about 2 meters in a pole having a height of about 6 meters from the ground surface L. Further, the upper end of the earth retaining pipe 2 to the ground surface L is a hole (hole enlarged portion G) that is slightly wider than the earth retaining pipe 2. Furthermore, the earth retaining pipe 2 and the hole enlarged portion G constitute a vertical hole.

  In addition, there are three or more (here, 8) on the base end (lower end) side of the pole 1 and separated from the base end by a small depth of the vertical hole (here, the length of the retaining pipe 2 is long). ) Horizontal member 4 is fixed. In addition, a screw hole 6 formed by fixing a nut substantially horizontally around the hole is provided at the distal end portion of each horizontal member 4, and further along the vertical direction entering each screw hole 6. A bolt 8 is provided. In the horizontal member 4, the screw hole 6 or the bolt 8 is configured to include at least three points that are not on the same straight line. Moreover, the horizontal member 4 thru | or the volt | bolt 8 are not installed except the position above only the depth of a vertical hole from the base end. The pressing member is constituted by the screw hole 6 or the bolt 8, and the low depth of the vertical hole means that the length of the pressing member (upward projecting dimension of the pressing member from the horizontal member) is subtracted from the depth of the vertical hole. The length of the degree.

  On the other hand, a seat plate 10 is placed on the upper side of the retaining pipe 2 at a position facing the lower end of each bolt 8. Here, a total of four seat plates 10 are arranged for each set of two bolts 8. Each seat plate 10 has a length approximately equal to the distance between the pair of bolts 8 and has two surfaces that are substantially perpendicular to each other, and one of these surfaces has an upper end of the earth retaining pipe 2 or an outer soil (hole). The bottom surface of the enlarged portion G is in contact with the soil on the side of the hole enlarged portion G on the other surface. Each bolt 8 presses the wall surface of the vertical hole through the seat plate 10.

  The pole 1 having such a basic structure is installed by the following method, for example. That is, first, as shown in FIG. 3 (a), a hole H is dug in the installation site by a heavy excavator or the like. The depth of the hole H is a strong length from the lower end of the pole 1 to the upper end of the bolt 8.

  Next, as shown in FIG.3 (b), while forming the hole expansion part G, the chestnut S is spread | laid on the bottom. Subsequently, as shown in FIG. 3C, the earth retaining pipe 2 is put into the hole H and a vertical hole is formed together with the hole enlarged portion G, and as shown in FIG. The seat plate 10 is placed in the hole enlarged portion G.

  Then, as shown in FIG. 3 (e), with the bottom ends of all bolts 8 aligned so as to be substantially horizontal, the pole 1 with the horizontal member 4 is put into the vertical hole, and the bottom end of the pole 1 is the chestnut S. And the lower end of the bolt 8 pushes the seat plate 10. Here, in order to increase the pressing force of the bolt 8 as appropriate, the bolt 8 is turned. The bolt 8 pushes the seat plate 10 to exert a pressing force on the wall surface of the vertical hole, and all the bolts 8 push the wall surface of the vertical hole, so that the pole 1 can stand up with sufficient strength even in the temporary standing at this point. it can. In addition, when the standing angle of the pole 1 is to be adjusted, the bolt 8 in a direction in which the pole 1 is desired to be laid is turned slightly to increase the pressing of the bolt 8 against the wall surface of the vertical hole through the seat plate 10 or the opposite side. The bolt 8 located at is turned to weaken the pressing against the wall surface of the vertical hole.

  In this way, when the pole 1 is temporarily installed at an appropriate angle, as shown in FIG. 3 (f), the concrete K is poured into the earth retaining pipe 2 or the enlarged hole portion G, and the horizontal member 4 or the bolt 8 To complete the installation of the pole 1.

  In the basic structure of the pole 1 according to the first embodiment, a laterally extending member 4 that protrudes outward is provided integrally with the pole 1 only on the upper side away from the proximal end of the pole 1 by a small depth of the vertical hole. Since at least three bolts 8 (or screw holes 6) capable of applying a pressing force to the wall surface of the vertical hole are provided on the frame member 4 at positions where the pole can be supported in the vertical hole, temporary installation before the concrete K is solidified. Even in the state, the pole can be sufficiently supported by pressing all the bolts 8 against the wall surface of the vertical hole, and the pressing force can also be applied by operating the bolt 8 near the ground surface (near the opening of the vertical hole) It can be done very easily. Furthermore, the angle of the pole in the hypothetical state can be adjusted by changing the pressing force on the appropriate bolt 8, and this operation can also be easily performed as described above. In addition, the pole 1 can be firmly set up by such simple operation, and since the entire foundation structure can be solidified, the concrete K can be poured immediately, and the pole 1 does not tilt before solidification. There is no need for a special process such as removing the mold later, and therefore the entire standing process of the pole 1 can be made extremely troublesome while providing sufficient strength.

  In addition, a hole expanding portion G is provided near the ground surface L of the vertical hole, and the bolt 8 is pressed downward against the bottom of the hole expanding portion G. Further, the bolt 8 and the hole expanding portion G Since the seat plate 10 is interposed in between, the bolt 8 can be prevented from sinking and the pole 1 can be firmly supported, and the bolt 8 can be moved only in the vicinity of the ground surface L. The property is further improved.

  In addition, since the pole 1 having the above-mentioned foundation structure is installed by pressing the bolt 8 into the longitudinal hole after forming the longitudinal hole, the foundation structure that supports the strength sufficiently until the concrete is solidified, it is only necessary to go to the site once. A simple pole installation method that can finish pouring can be configured.

[Second Embodiment]
4 is a central longitudinal sectional view of the main part of the basic structure of the pole according to the second embodiment, and FIG. 5 is a sectional view taken along line BB in FIG. The pole 21 according to the second embodiment has substantially the same basic structure as the pole 1 according to the first embodiment, that is, the horizontal member 24 having the screw holes 26 or the bolts 28 has a vertical hole from the base end. On the other hand, the seat plate 30 is placed on the opposite side of the bolt 28 at the bottom of the hole expansion portion G2 of the vertical hole. However, in the pole 21 according to the second embodiment, the number of the horizontal members 24 is four, one seat plate 30 is arranged for each bolt 28, and from the ground surface L2. There is no earth retaining pipe in the vertical hole. The installation method of the pole 21 is the same as that of the pole 1.

  In the pole 21 according to the second embodiment as described above, similarly to the pole 1 of the first embodiment, the angle can be adjusted and a stable temporary installation can be performed very easily. In addition, the basic structure of the pole 21 which concerns on 2nd Embodiment is used suitably for the thing below 6 meters in height from the ground surface, for example.

[Third Embodiment]
6 is a central vertical cross-sectional view of the main part of the basic structure of the pole according to the third embodiment, and FIG. 7 is a cross-sectional view taken along the line CC in FIG. The foundation of the pole 41 according to the third embodiment is put in a vertical hole without a hole enlarged portion by the earth retaining pipe 42 reaching the ground surface L3. The pole 41 is provided with four horizontal members 44 at a position above the base end by a small depth of the vertical hole (a little length of the retaining pipe 42). A screw hole 46 formed by a notch and a nut thereon is provided at the front end edge of each horizontal member 44, and a disk-attached bolt 48 as a pressing member is placed in each screw hole 46. The disc-attached bolt 48 is formed by eccentrically fixing the disc to the lower end of the bolt, and in the disc of the all-disc bolt 48, it can come into contact with the wall surface of the vertical hole (inner surface of the retaining pipe 42) from the side. Here, the distance between the outer sides of the discs when both of the opposing discs are exposed most outwardly is the diameter of the vertical hole (the retaining pipe 42). It should be noted that the full disc bolt 48 is not on the same straight line. Further, the installation method of the pole 41 is almost the same as that of the pole 1 except that the hole enlarged portion and the seat plate are not provided.

  In the pole 41 according to the third embodiment, the disk-attached bolt 48 is provided that presses the wall surface of the vertical hole from the side by rotating the disk in a direction that protrudes outward by including a disk that rotates eccentrically. By rotating the bolt 48 with a disk located nearby, the wall of the vertical hole can be pressed from the side to support the pole 41, so that the temporary standing can be carried out firmly and quickly, and the installation of the pole is easy. Can be completed reliably.

[Fourth Embodiment]
FIG. 8 is a central vertical cross-sectional view of the main part of the basic structure of the pole according to the fourth embodiment, FIG. 9 is a cross-sectional view taken along the line DD in FIG. 8, and FIG. It is line sectional drawing. The foundation of the pole 61 according to the fourth embodiment is put into a vertical hole without a hole enlarged portion by the earth retaining pipe 62 reaching the ground surface L4. On the wall surface on the ground surface L4 side of the earth retaining pipe 62, four cuts 63 are formed along the longitudinal direction (vertical direction). In addition, the circumference | surroundings of each notch 63 are dug down a little, and the outer wall of the vertical hole (the earth retaining pipe 62) is exposed.

  On the other hand, the pole 61 integrally has a horizontal member 64 in a portion that is slightly separated from the base end by the depth of the vertical hole. Four horizontal members 64 are provided corresponding to the notches 63, have a length that is a strong distance from the outer surface of the pole 61 to the notches 63, and pass through the notches 63. Moreover, the front-end | tip of each horizontal member 64 is bent so that it may have the surface which follows a vertical hole outer wall substantially, The screw hole 66 which goes to a vertical hole outer wall, and the bolt 68 which enters this are provided in this surface. .

  The installation method of the pole 61 according to the fourth embodiment is substantially the same as that according to the first embodiment, but mainly differs in the following points. That is, the hole enlarged portion and the seat plate are not provided. Further, when inserting the earth retaining pipe 62, the direction of the cut 63 is taken into consideration, and after the insertion, the outer wall around the cut 63 is exposed. Further, when the pole 61 is inserted into the vertical hole (the retaining pipe 62), the horizontal member 64 is inserted into the notch 63. Further, the small holes around the notch 63 are backfilled or concrete is poured.

  In the pole 61 according to the fourth embodiment, the vertical hole is formed by the earth retaining pipe 62 reaching to the vicinity of the ground surface L4, and the notch 63 through which the horizontal member 64 passes is formed at the ground surface side end portion of the earth retaining pipe 62. The bolt 68 (or the screw hole 66) is given a pressing force from the outside against the outer wall around the notch 63 of the earth retaining pipe 62, so that a strong temporary installation can be easily performed by operating near the ground surface L4. If the earth retaining pipe 62 is properly inserted, the pole 61 can be inserted so that the horizontal member 64 and the notch 63 are aligned, and temporary installation or installation can be performed more easily. it can.

[Fifth Embodiment]
FIG. 11 is a central longitudinal sectional view of the main part of the basic structure of the pole according to the fifth embodiment, and FIG. 10 is a sectional view taken along line FF in FIG. The foundation of the pole 81 according to the fifth embodiment is substantially the same as that of the pole 61 of the fourth embodiment except that the earth retaining pipe 82 is not cut and the horizontal member 84 is provided with a cut 83, that is, Each horizontal member 84 has a cut 83 on the tip side, and the entire cut 83 is arranged so that the wall surface of the earth retaining pipe 82 enters. It is to be noted that each horizontal member 84 has a bent portion at the end edge, and has a screw hole 86 and a bolt 88 in the bent portion, similarly to the pole 61. Moreover, the earth retaining pipe 82 is slightly submerged from the ground surface L5, and the ground surface side end portion of the earth retaining pipe 82 is slightly below the ground surface L5. The installation method of the pole 61 according to the fifth embodiment is substantially the same as that according to the fourth embodiment.

  In the pole 61 according to the fifth embodiment, the vertical hole is formed by the earth retaining pipe 82 reaching the vicinity of the ground surface L5, and the notch 83 through which the ground surface side end portion of the earth retaining pipe 82 passes is formed in the horizontal member 84. Since the bolt 88 is applied with a pressing force from the outside against the outer wall of the retaining pipe 82, it can be temporarily or simply installed with sufficient strength with a simple structure.

[Other Embodiments]
In addition, embodiments of the present invention that are mainly modified from the above-described embodiments will be exemplified. The pole is shaped like a cylinder or filled inside. About a horizontal member, a shape is made into a column shape, a number is increased / decreased, or it shall have a several pressing member per one. The pressing member uses an elastic body (spring, rubber block, etc.). Instead of the hole enlargement part in the first embodiment and the second embodiment, a small hole for receiving the seat plate is provided individually, or a common hole is used instead of the small hole for each notch in the fourth embodiment and the fifth embodiment. Or provide it. In addition, a bolt (pressing member) is provided with a slip stopper in the form of a protrusion or a depression on the seat plate. Alternatively, in the fourth embodiment and the fifth embodiment, the cuts are provided in both the earth retaining pipe and the horizontal member (half each).

It is a principal part longitudinal cross-sectional view of the basic structure of the pole which concerns on 1st Embodiment of this invention. It is the sectional view on the AA line in FIG. (A)-(f) is explanatory drawing of the installation method of the pole of FIG. It is a principal part longitudinal cross-sectional view of the basic structure of the pole which concerns on 2nd Embodiment of this invention. It is the BB sectional view taken on the line in FIG. It is a principal part longitudinal cross-sectional view of the basic structure of the pole which concerns on 3rd Embodiment of this invention. It is CC sectional view taken on the line in FIG. It is a principal part longitudinal cross-sectional view of the basic structure of the pole which concerns on 4th Embodiment of this invention. It is the DD sectional view taken on the line in FIG. It is the EE sectional view taken on the line in FIG. It is a principal part longitudinal cross-sectional view of the basic structure of the pole which concerns on 5th Embodiment of this invention. It is the FF sectional view taken on the line in FIG.

Explanation of symbols

1, 21, 41, 61, 81 Pole 4, 24, 44, 64, 84 Horizontal member 6, 26, 46, 66, 86 Screw hole (pressing member)
8, 28, 48, 68, 88 bolt (pressing member)

Claims (2)

A basic structure of a pole that can be put into a vertical hole excavated from the surface,
A horizontal member that protrudes outward is provided integrally with the pole only above the distance from the base end of the pole by a small depth of the vertical hole.
The transverse part, the member pressing capable imparts pressing force to the longitudinal hole wall, at least three provided Rutotomoni at a position which is capable of supporting a pole in the vertical hole,
A hole enlargement is provided near the surface of the vertical hole,
The pressing member shall be given a pressing force downward with respect to the bottom of the hole enlarged portion,
Further, during the pressing member and the hole expansion portion, the base structure of the pole, characterized in <br/> that is interposed a seat plate. A pole installation method comprising: installing the pole having the basic structure according to claim 1 by pressing a pressing member into the vertical hole after forming the vertical hole.

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