JP2008050942A - Pillar reinforcing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily join an anchor with an arm of a pillar reinforcing device for reinforcing an electric pole. <P>SOLUTION: This pillar reinforcing device is composed of a support part for supporting a pillar by abutting on the pillar such as the electric pole erected in the ground positioned in the vicinity of a surface in the ground, the arm integrated with its support part extending from its support part, and the anchor fixing the tip side of its arm having a spiral excavation blade at a lower part, and a flange and a square column to be buried at an upper part. The arm member and the anchor are joined by inserting a washer larger than a hole of a predetermined size divided into two parts under the flange of its anchor, after inserting its anchor into the hole of the predetermined size arranged in its arm member. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a columnar object reinforcing device that reinforces a columnar object such as a utility pole standing in the ground.

  Conventionally, to establish a pole for electric wires or telephone lines, or a pole such as a traffic signal pole (hereinafter, described as an example of an electric pole) on the ground (underground) A hole having a predetermined depth is dug in the ground of the place where the electric pole is erected, and the lower end (base) of the electric pole is inserted into the dug hole. In addition, the standing electric pole is provided with a branch line so as to withstand the tension applied to the electric pole as necessary, or from a bar material perpendicular to the standing direction of the electric pole in the ground so as to withstand the tension. A rooting device is provided, a rooting device is provided to cover the power pole with concrete, or a rooting device is provided at the bottom of the power pole.

  However, a columnar object standing in the ground is erected by digging a hole of a predetermined depth in the ground at the place where the electric pole is erected and inserting the lower end of the electric pole into the excavated hole. Depending on the nature, the installed utility pole may become unstable. In addition, there is a trouble that a hole having a predetermined depth must be dug every time when it is necessary to replace the utility pole. Furthermore, when the branch line is provided so as to withstand the tension applied to the utility pole, not only land use between the utility pole and the branch line is restricted, but also there is a disadvantage that the compensation cost of the land use is increased. In addition, when roots or repellents are provided on the power pole in the ground, excavation is required for that amount, which has the disadvantage that the work is not only large, but the work time is long.

Therefore, the applicant can improve the stability of a columnar object such as a standing electric pole in order to solve the above-mentioned drawbacks in Japanese Patent Application Nos. 2002-146034 and 146046. It proposes a columnar structure that can facilitate the exchange of objects and does not require branch lines, roots, or root repelling. The columnar structures according to these proposals are cylindrical bodies in which an anchor is embedded in the bottom of a hole provided in the ground where a columnar object such as a utility pole is erected, and the bottom of the columnar object is inserted into the upper end of the anchor. In addition, an arm member extending along the ground surface of the ground is provided on the cylindrical body, and the columnar object is erected in the cylindrical body. Further, in Japanese Patent Application No. 2002-246184, a columnar object reinforcing device that can reinforce the ground surface portion of a columnar object standing in the ground, that is, a ground part, is proposed. The base of the columnar object or the cylindrical body into which the columnar object is inserted is supported by the support member, and the support member is provided with an arm member.
nothing special.

  With the columnar structure or the columnar reinforcement device according to the above proposal, the stability of the columnar object can be increased without requiring branch lines, roots, root piercings or rooting, and exchangeability can be increased. There is a feature. Furthermore, there is a feature that the strength of the columnar object can be increased.

  By the way, in the columnar structure and the columnar reinforcing apparatus according to the above proposal, the tip end side of the arm member is fixed by an anchor having a spiral excavation blade at the lower part, so that the anchor and the arm member can be easily coupled. In addition, there is a demand for a structure of an arm member that can further enhance the reinforcing effect of the columnar object.

  Accordingly, the present invention has been made to meet the above-described demands, and an object of the present invention is to provide a columnar object reinforcing device in which the arm member and the anchor can be easily combined and the reinforcing effect can be enhanced. There is.

In order to achieve the above object, the columnar object reinforcing device according to the present invention is directed to a columnar object such as a utility pole standing in the ground located near the surface of the ground. A support part that contacts and supports, an arm part that extends from the support part and is integrated with the support part, and has a spiral excavation blade at the lower part that fixes the tip side of the arm part, and is embedded at the upper part In the columnar reinforcement device comprising the flange and the anchor having the prismatic part, the arm member and the anchor are coupled to each other after passing the anchor through a hole of a predetermined size provided in the arm member. By inserting a washer larger than the hole of the predetermined size divided into two below the flange of the anchor, the hole of the predetermined size provided in the arm member through which the spiral blade of the anchor can pass A hole of the same size as the hole of the predetermined size and its Smaller than the flange of the anchor, and using a washer having two consecutive holes, the shape of the hole of a predetermined size provided in the arm member is changed to Fixing with a square hole to be inserted into the square column part of the anchor that is formed in a size that does not allow the anchor's flange to pass and that is provided with a relief that can pass through and that has a predetermined size provided in the arm member A hole of a predetermined size, which is fixed to the arm member or through which the spiral blade of the anchor is provided, is smaller than the hole and smaller than the flange of the anchor. It is characterized in that it is performed by providing two holes.
The columnar object reinforcing device according to claim 2 of the present invention is such that the support portion directly contacts the columnar object and is inserted between the columnar object and the cylindrical body into which the columnar object is inserted, or the cylinder. It is characterized by being in contact with the shaped body.
The columnar object reinforcing device according to claim 3 of the present invention is characterized in that the support portion is bound by a band member.
The columnar object reinforcing device according to claim 4 of the present invention is characterized in that the support portion is fitted on the outer periphery of the cylindrical body or attached using a fixing bracket.

In order to achieve the above object, the columnar object reinforcing device according to the present invention is directed to a columnar object such as a utility pole standing in the ground located near the surface of the ground. A columnar object reinforcing device comprising: a support portion that contacts and supports; an arm portion that extends from the support portion and is integrated with the support portion; and an anchor that fixes the distal end side of the arm portion. A reinforcing rib extending in the direction of the arm portion is provided between the two portions.
The columnar object reinforcing device according to claim 6 of the present invention is characterized in that the reinforcing ribs are provided on both the front surface and the back surface of the arm portion.
The columnar object reinforcing device according to claim 7 of the present invention is characterized in that a protruding piece extending in a direction orthogonal to the extending direction of the arm portion is provided on the back surface of the arm portion.

In the columnar object reinforcing device according to the first aspect of the present invention, the arm member and the anchor are connected to each other by passing the anchor through a hole of a predetermined size provided in the arm member and then fixing the flange of the anchor. Insert a washer larger than the hole of the predetermined size divided into two downwards, and on the hole of the predetermined size provided in the arm member through which the spiral blade of the anchor can pass. Using a washer having a hole of the same size as the hole of the size and two continuous holes smaller than the hole and smaller than the flange of the anchor, a predetermined size provided in the arm member The hole shape is provided with a clearance that allows the anchor's spiral excavating blade to pass through, and the anchor flange is formed in such a size that the anchor flange cannot pass through, and is positioned within a hole of a predetermined size provided in the arm member. Inserted into the prism of the anchor A fixing plate having a hole is fixed to the arm member, or the hole of a predetermined size provided in the arm member through which the spiral blade of the anchor can pass is smaller than the hole, and the flange of the anchor Since it is performed by providing two smaller continuous holes, the arm portion and the anchor can be effectively combined.
The columnar object reinforcing device according to claim 2 of the present invention is such that the support portion directly contacts the columnar object and is inserted between the columnar object and the cylindrical body into which the columnar object is inserted, or the cylinder. Since it is contact | abutted to a shape body, intensity | strength can be raised.
In the columnar object reinforcing device according to the third aspect of the present invention, since the support portion is bound by the band member, the support portion can be easily attached to the utility pole or the cylindrical body.
In the columnar article reinforcing device according to claim 4 of the present invention, the support portion is fitted on the outer periphery of the cylindrical body or is attached using a fixing bracket. Can be easily installed.

In the columnar object reinforcing device according to the fifth aspect of the present invention, since the reinforcing rib extending in the arm portion direction is provided between the support portion and the arm portion, the strength can be increased.
In the columnar object reinforcing device according to the sixth aspect of the present invention, the reinforcing ribs are provided on both the front surface and the back surface of the arm portion, so that the strength can be further increased.
In the columnar object reinforcing device according to claim 7 of the present invention, the back surface of the arm portion is provided with a projecting piece extending in a direction orthogonal to the extending direction of the arm portion, so that it is added in the longitudinal direction of the arm portion. Can effectively deal with force.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Fig.1 (a) is a perspective view of the columnar object reinforcement apparatus which concerns on one Embodiment. The electric pole P corresponding to the columnar object of the present invention is inserted into a steel cylindrical body (casing) C that is already standing on the ground (corresponding to the underground of the present invention) G. . Since this cylindrical body C is described in detail in Japanese Patent Application Nos. 2002-146034 and 146046 related to the previous proposal of the present applicant, a detailed description thereof will be omitted. An anchor having a spiral excavating blade is embedded.

  A columnar reinforcing device (hereinafter described as a reinforcing device) 1a is a long product made of a casting, and one end side of the columnar reinforcing device is inserted into a gap between the utility pole P and the cylindrical body C, and It is comprised from the support part 2a which has the predetermined length along a longitudinal direction, and the arm part 3b integrated with the support part 2a. And the hole 4a for joining the anchor A is provided in the front end side of the arm part 3b. The size of the hole 4a is formed such that an anchor A described later can pass therethrough.

  In FIG. 1A, two reinforcing devices 1a are installed radially from the utility pole P so that the orientation of the utility pole P is 90 ° when viewed from the upper surface. One or three or more, depending on the tension applied or the direction of reinforcement at the place where the utility pole P is installed (for example, there is a track on the side of the utility pole P), etc. As shown in 3 (a), it is installed over the entire circumference of the utility pole P.

  The anchor A is proposed by the present applicant in Japanese Patent Application Laid-Open No. 2000-1850 and the like. The anchor A is made of cast iron, and has a spiral excavating blade a2, a2,... Around a tapered shaft portion a1. Are provided at a predetermined interval (four in the illustrated example). These excavating blades a2, a2,... Are formed with larger diameters toward the upper side. A flange a3 is provided on the upper end side (opposite side of the taper) of the shaft portion a1, and a tool (hole) for embedding the anchor A in the ground G in the upper central portion of the flange a3. A prismatic part a4 is provided for connection to a rotating part such as a digging column car.

  In the figure, reference numeral 5 denotes a washer divided into two, and the size thereof is a hole provided at the lower end portion of the arm portion 3b (smaller than 4a, upper end portion is larger than the hole 4a, and center. The portion is formed in a conical shape formed in a groove along the circumference of the shaft portion a1 of the anchor A.

  Therefore, when the anchor A is embedded in the hole 4a of the arm portion 3b using a tool attached to the rotating portion of the unillustrated drilling shaft, the washer 5 is as shown in FIG. After the excavating blade a2 of the anchor A passes through the hole 4a, the arm 3b and the anchor A are fixed by temporarily fixing the washer 5 with an adhesive tape (not shown) below the flange 3a of the shaft a1 of the anchor A. And are connected.

  In the example of FIG. 1A, the support portion 2a of the reinforcing device 1a is inserted into the gap between the utility pole P and the cylindrical body C. However, when this cylindrical body C is not provided, it will be described later. As shown in FIGS. 3A and 3B, it is attached to the utility pole P using a band member. Even when the cylindrical body C is used, the support portion 2a is attached by providing a band member on the outer periphery of the cylindrical body C, or a part of the support portion 2a is fitted on the outer periphery of the cylindrical body C. It may be attached, or it may be attached using a fixing bracket such as a hinge between the outer periphery of the cylindrical body C and the support portion 2a. However, as shown in FIG. 1 (a), when the support portion 2a is mounted so as to be inserted into the gap between the utility pole P and the cylindrical body C, the electrical pole P inserted into the cylindrical body C has a backlash. There is a feature that can prevent.

  2 (a) to 2 (d) show other coupling means for the arm 3a and the anchor A, respectively, and FIG. 2 (a) shows a washer 6 having two continuous holes 6a and 6b. An example using is shown.

  The washer 6 is used by being placed on the hole 4a of the arm portion 3b, and the one hole 6a has a size through which the anchor A can pass, like the hole 4a provided in the arm portion 3b. The other hole 6b communicates with one of the holes 6a and is sized so that the shaft portion a1 of the anchor A can pass but the flange a3 cannot pass. Therefore, when the washer 6 is moved in the direction of the arrow after the spiral blades a2, a2... Of the anchor A have passed through the holes 4a, 6a and the anchor A is embedded, the arm portion 3a and the anchor A can be combined. it can.

  The coupling means shown in FIG. 2 (b) is such that the shaft portion a1 of the anchor A can pass through the hole 4a provided in the arm portion 3a and the flange a3 cannot pass, and the largest spiral blade 2a rotates. In this structure, a clearance 7 is provided. Therefore, the arm 3a and the anchor A can be coupled by the flange a3 of the anchor A.

  In the coupling means shown in FIG. 2 (c), the prism column a4 of the anchor A located in the hole 4a of the arm 3a is fixed by the fixing plate 8. That is, the fixing plate 8 has a square hole 8a into which the prismatic portion a4 enters, and the fixing plate 8 can be screwed to the arm portion 3a. Therefore, the arm 3 a and the anchor A can be coupled via the fixing plate 8.

  The coupling means shown in FIG. 2 (d) is such that the holes 6a and 6b provided in the washer 6 shown in FIG. 2 (a) are directly provided in the arm portion 3a. That is, the hole 9 provided in the arm portion 3a shown in FIG. 2 (d) has such a size that the anchor 9 can pass through the hole 9a, the shaft portion a1 of the anchor A, and the flange a3 cannot pass through. Hole 9b. In the case of the reinforcing device having the hole 9, first, the anchor A is passed through the hole 9a, and then the arm part 3a is moved in the direction indicated by the arrow, that is, the shaft part a1 of the anchor A is moved to the hole. An anchor A is buried in 8b.

  3 (a) and 3 (b) show a reinforcing device 1b according to another embodiment, wherein FIG. 3 (a) is a plan view thereof, and FIG. 3 (b) is a partial perspective view thereof. FIG. In the reinforcing device 1b shown here, reinforcing ribs 10a and 10b are integrally provided between the support portion 2b and the arm portion 3b as shown in FIG. That is, these reinforcing ribs 10a and 10b are provided so as to connect both sides of the support portion 2b and the arm portion 3b.

  In FIG. 3 (b), 10c and 10d are holes provided in the reinforcing ribs 10a and 10b, respectively, and are used to attach the band member 10e for fixing (binding) the support portion 2b to the utility pole P. The When such reinforcing ribs 10a and 10b are provided, the strength of the reinforcing device 1b is increased, whereby the utility pole P can be efficiently reinforced.

  3 (a) and 3 (b), the hole 4b for connecting the anchor A is shown in the same shape as in FIG. 1 (a). However, the connection between the arm 3b and the anchor A is as described above. Any of the means shown in FIGS. 1B, 2A, 2B, 2C, and 2D may be used. Moreover, although the reinforcement apparatus 1b is arrange | positioned all around the utility pole P, this can be made into one or two or more by the tension direction etc. which are added to the utility pole P. FIG.

  4 (a) and 4 (b), the reinforcing device 1c projects the arm portion 3c from the central portion of the support portion 2c, and the reinforcing ribs 11a and 11b are at the central portion of the support portion 2c and the arm portion 3c. And the structure arrange | positioned at the upper and lower sides of the arm part 3c is exhibited. Further, the tip portion of the arm portion 3c is formed in an upper and lower two-stage U-shaped coupling portion 11c into which the flange a3 of the anchor A can be inserted. This reinforcing device 1c has an advantage that it can be attached to the utility pole P using the band members 11d and 11e at the upper and lower portions of the support portion 2c.

  FIG. 4 (c) shows pin holes 11g and 11g in the connecting portion 11f of the anchor A at the tip of the arm portion 3c, and the pin hole a5 provided in the square column portion a4 of the anchor A and the pin holes 11g and 11g. The anchor 11A can be fixed to the tip of the arm portion 3 by inserting a pin 11h.

  The reinforcing device 1d shown in FIG. 5 has reinforcing ribs 12a and 12d on both sides of the support portion 2d and the arm portion 3d, respectively, similarly to the reinforcing device 1d shown in FIGS. 3 (a) and 3 (b). However, the arm portion 3d shown here is not perpendicular to the support portion 2d but is provided so as to expand upward, and is configured to have a wedge shape as a whole.

  Since the reinforcing device 1d has a wedge shape, when the reinforcing device 1d is embedded (inserted) along a power pole (not shown), there is a feature that the support portion 2d is in close contact with the power pole. In one or more of the reinforcing devices 1d, a support portion 2d is bound to a utility pole by a band member (not shown), and an anchor A (not shown) is connected to the hole 4d by the same connecting means as described above.

  6 (a) and 6 (b), the reinforcing device 1e has two reinforcing ribs 13a and 13d on the upper surface side of the arm 3e as in FIGS. 3 (a), (b) and FIG. In addition to having it, it has one reinforcing rib 13c on its lower surface side. The reinforcing rib 13c on the lower surface side is provided in the longitudinal direction of the arm portion 3e. Moreover, the hole 4e which couple | bonds the anchor (not shown) provided in this arm part 3e is the same as the two large and small continuous holes 9 shown in the said FIG.2 (d).

  The reinforcing device 1f shown in FIGS. 7A and 7B is provided with reinforcing ribs 14a and 14d on both sides of the lower surface of the arm portion 3f, and the arm portion on the tip side and the center side on the lower surface of the arm portion 3f. Projections 14c and 14d extending in a direction orthogonal to the longitudinal direction of 3f are provided. Moreover, the hole 4f which couple | bonds the anchor (not shown) provided in this arm part 3f is the same thing as the large and small two continuous holes 9 shown by the said FIG.2 (d). Since the reinforcing device 1f is provided with the projecting pieces 14c and 14d orthogonal to the longitudinal direction of the arm portion 3f, it can effectively cope with the force applied in the longitudinal direction of the arm portion 3f.

(A) is a perspective view of the columnar object reinforcement apparatus which concerns on one embodiment of this invention, (b) is explanatory drawing which shows the combined state of an arm part and an anchor. (A)-(d) is explanatory drawing which each shows the coupling | bonding means of an arm part and an anchor. (A) is a top view of another columnar object reinforcement apparatus, (b) is the perspective view of the one part. (A) is a perspective view of still another columnar object reinforcement device, (b) is an explanatory view of a state where an anchor is attached, and (c) is an explanatory view showing another attachment state of the anchor. It is a perspective view of another columnar object reinforcement apparatus. (A) is a top view of another columnar object reinforcement apparatus, (b) is a bottom view of (a). (A) is a top view of another columnar object reinforcement apparatus, (b) is a bottom view of (a).

Explanation of symbols

1a to 1f Columnar reinforcing device (reinforcing device)
2a-2f Support part 3a-3f Arm part 4a-4f Hole 5 Washer 6 Washer 7 Escape 8 Fixing plate 9 Hole 10a, 10b, 11a, 11b, 12a, 12b, 13a, 13b, 14a, 14b Reinforcement rib 14c, 14d Projection Fragment P Utility pole (columnar)
C Tubular body G Ground

Claims (7)

A support portion that is in contact with and supports a pole-like object such as a utility pole standing near the surface in the ground, an arm portion that extends from the support portion and is integrated with the support portion, and the arm In a columnar object reinforcing device comprising a helical excavating blade at the lower part and an anchor having an embedded flange and a prismatic part at the upper part, which fixes the tip side of the part,
The arm member and the anchor are coupled with each other by passing the anchor through a hole of a predetermined size provided in the arm member, and then dividing the arm member into the anchor of the predetermined size divided into two below the flange of the anchor. A washer larger than the hole is inserted, and a hole of the same size as the hole of the predetermined size is placed on the hole of a predetermined size provided in the arm member through which the spiral blade of the anchor can pass. Using a washer having two consecutive holes smaller than the hole and smaller than the flange of the anchor, the shape of the hole of a predetermined size provided in the arm member is changed to the spiral excavation blade of the anchor Is formed in a size that the flange of the anchor cannot pass through, and has a square hole that is inserted into a square column portion of the anchor positioned in a hole of a predetermined size provided in the arm member. Fixing plate to its arm member Fixed or provided in the arm member, a hole of a predetermined size through which the spiral blade of the anchor can pass is provided with two continuous holes smaller than the hole and smaller than the flange of the anchor. Columnar material reinforcing device characterized by being performed.   In the columnar object reinforcement device according to claim 1, the support portion directly contacts the columnar object, and is inserted between the columnar object and the cylindrical body into which the columnar object is inserted, or is attached to the cylindrical body. A columnar object reinforcement device, which is abutted.   3. The columnar object reinforcing apparatus according to claim 1 or 2, wherein the support portion is bound by a band member.   3. The columnar article reinforcing apparatus according to claim 1 or 2, wherein the support portion is fitted on the outer periphery of the cylindrical body or attached using a fixing bracket. A support portion that is in contact with and supports a pole-like object such as a utility pole standing near the surface in the ground, an arm portion that extends from the support portion and is integrated with the support portion, and the arm In the columnar object reinforcement device composed of an anchor for fixing the tip side of the part,
A columnar object reinforcing device, wherein a reinforcing rib extending in the direction of the arm part is provided between the support part and the arm part.   6. The columnar object reinforcement device according to claim 5, wherein the reinforcing ribs are provided on both the front surface and the back surface of the arm portion.   7. The columnar article reinforcing apparatus according to claim 5 or 6, wherein a projecting piece extending in a direction orthogonal to an extending direction of the arm part is provided on a back surface of the arm part.

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