JP4795372B2 - C-type electric pole for the construction of utility poles with raised parts - Google Patents

Description

  The present invention relates to a C-type utility pole that is embedded in a lower part of a utility pole in order to firmly fix the utility pole during construction of a utility pole in which the utility pole is erected and buried. In particular, the present invention forms a raised portion at both ends of a C-type pole pole so that the pole pole can be installed by mechanized construction using an auger crane expansion machine, and is raised at both ends via an inclined surface. The C-shaped body portion having a portion is configured to have a size smaller than that of the raised portion, so that when the utility pole is refilled through the effect of increasing friction with the soil, the contact with the soil in the tension direction of the utility pole The utility pole construction C has a raised portion that can be supported more firmly with an increased area, can reduce the weight of the utility pole, and can be further constructed and transported by further forming a hook insertion hole. This relates to the type pole pole.

  Patent Literature 1 filed by the applicant of the present invention discloses a utility pole installation work pole. As shown in FIG. 1, the utility pole basket has an overall shape of a utility pole basin 100 that is approximately a half donut shape. A utility pole contact surface 101 having a C-shaped curved surface is formed on the inner periphery of the utility pole base 100, and the outer periphery 102 has a diameter of about 0.8 m, for example. The pole pole 100 has a different form from the existing pole-type pole pole, but the surface area that adheres to the soil after installation is almost the same, the volume is reduced and the weight is reduced compared to the existing rectangular root pole. Can do. Therefore, the amount of excavation is greatly reduced compared with the existing one when excavating the power pole for backfilling the utility pole, and the handling efficiency is improved and the construction efficiency and workability are improved. In addition, a friction groove 104 is formed on the outer periphery of the semicircular electric pole root rod to increase the cohesive force between the U-shaped bolt insertion hole 103 used when the root rod is attached and the soil in the ground, It is formed into a multi-step characteristic curved surface by the curvature, and the mounting ability and working force of the utility pole are increased.

  However, the semicircular electric pole root rod as described above is a C-shaped curved body and has a relatively insufficient contact area with the soil, so that the cohesive force between the electric pole and the soil may be insufficient. There is. When an U-shaped bolt or the like is to be assembled and installed, the U-shaped bolt insertion hole has a circular through-hole shape, and the dimensions of the insertion hole and the U-shaped bolt must match each other. Therefore, the semicircular electric pole root rod as described above causes difficulty in numerical control and inconvenience due to frictional interference in construction.

  Moreover, since the above-mentioned conventional semicircular electric pole root rod is a comparatively large weight body (for example, 95 kg), many difficulties are involved in handling, transportation, and production. When installing a large heavy body in a utility pole reclaimed land using another crane, the process of binding the pole pole to the crane is complicated, and the process of disassembling the binding means is very difficult. is there.

  Accordingly, there is an urgent need for a utility pole that has better adhesion resistance with soil and that is more easily improved with a utility pole using U-shaped bolts in actual sites.

Korean Patent Application No. 2006-112100

  This invention is made | formed in view of the said problem, The place made into the objective of this invention forms a protruding part in the both ends of a C-type utility pole, and has a protruding part in both ends via an inclined surface, respectively. By configuring the C-shaped body part to be smaller than the raised part, the ground contact force can be improved through the raised parts at both ends, and the utility pole root can be reduced in weight by the smaller-sized body part than the raised part. In addition, a hook insertion hole is formed in the center of the C-type electric pole root, and slit-like bolt insertion holes are formed on both sides of the hook insertion hole with a predetermined interval therebetween. It is intended to provide a C-type pole pole for power pole installation work having a raised portion that is easy to move and throw in a pole pole using a crane and can be easily fastened with a U-shaped bolt through a bolt insertion hole.

  In order to achieve the above object, according to a first aspect of the present invention, in a C-type power pole for a pole installation work, a first raised portion 11 whose size is enlarged upward and laterally, A second bulging portion 11 ′ that is enlarged in size laterally, and having a size smaller than the first bulging portion 11 and the second bulging portion 11 ′, and the first bulging portion 11 and the first bulging portion 11 ′. A body portion 12 disposed between the two raised portions 11 ′. The body portion 12 includes a hook insertion hole 13 penetratingly formed in the horizontal direction and horizontally on both sides of the hook insertion hole 13. There is provided a C-type power pole for power pole installation work having a raised portion, which has slit-like bolt insertion holes 14, 14 'formed therethrough.

  In addition, a concave first friction groove 15 having a predetermined depth may be formed around the hook insertion hole 13 on the outer periphery of the body portion 12.

  In addition, second friction grooves 16 and 16 ′ that are partially cut out around the bolt insertion holes 14 and 14 ′ may be formed on the outer periphery of the body portion 12.

  In addition, the body portion 12 includes a first inclined surface 17 formed between the first raised portion 11 and the body portion 12 and between the second raised portion 11 ′ and the body portion 12. And a second inclined surface 17 ′.

  Further, a conductive metal ground plate 30 attached to the bottom surface of the body portion 12 and a ground wire 31 drawn from the ground plate 30 may be further included.

  In addition, the nut of the U-shaped bolt is prevented from being in close contact with the inner wall of the friction groove during the installation work of the utility pole, and the nut moves to the outside along the inclined surface when the nut is fastened. The bottom surface 18 of the second friction groove 16, 16 'is fixed so that the surface contact portion increases while the position sequentially moves from the inside to the outside of the bolt insertion hole 14, 14' to firmly fix the U-shaped bolt. May be formed with an inclination of 5 ° to 10 ° toward the outside.

  Moreover, in order to achieve the said objective, according to the 2nd viewpoint of this invention, in the C-type utility pole root fence for utility pole installation construction, the protruding parts 11 and 11 'by which the size was expanded upward and laterally at both ends And a trunk portion 12 having a size smaller than the raised portions 11 and 11 'and disposed between the raised portions 11 and 11'. The trunk portion 12 is a hook formed so as to penetrate in the horizontal direction. There is provided a C-type utility pole for a utility pole installation having a raised portion having an insertion hole 13 and slit-like bolt insertion holes 14 and 14 ′ that are formed through both sides of the hook insertion hole 13 in the horizontal direction. .

  In addition, a concave first friction groove 15 having a predetermined depth may be formed around the hook insertion hole 13 on the outer periphery of the body portion 12.

  In addition, second friction grooves 16 and 16 ′ that are partially cut out around the bolt insertion holes 14 and 14 ′ may be formed on the outer periphery of the body portion 12.

  The body 12 may further include inclined surfaces 17 and 17 ′ formed between the raised portions 11 and 11 ′ and the body 12.

  Further, a conductive metal ground plate 30 attached to the bottom surface of the body portion 12 and a ground wire 31 drawn from the ground plate 30 may be further included.

  In addition, the nut of the U-shaped bolt is prevented from being in close contact with the inner wall of the friction groove during the installation work of the utility pole, and the nut moves to the outside along the inclined surface when the nut is fastened. The bottom surface 18 of the second friction grooves 16, 16 'is fixed so that the surface contact portion increases while the position sequentially moves from the inside to the outside of the bolt insertion holes 14, 14', and the U-shaped bolt is firmly fixed. You may incline 5 degrees-10 degrees, so that it goes outside.

  According to the present invention, the contact force with the soil is improved through the raised portion, the weight of the utility pole can be reduced through the further reduced body portion, and the movement and installation work of the utility pole using a crane can be performed by the hook insertion hole. It is easy, and the U-shaped bolt can be easily fastened by the bolt insertion hole to provide the construction convenience.

  Exemplary embodiments of the present invention will be described below in detail with reference to the accompanying drawings. In the present specification and drawings, components having substantially the same functional configuration are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 is a perspective view showing a conventional C-type pole pole according to the prior art, and FIG. 2 is a front perspective view showing a C-type pole pole according to an embodiment of the present invention. FIG. 3 is a rear perspective view showing a C-type pole pole according to the embodiment of the present invention, and FIG. 4 is a plan sectional view of the C-type pole pole according to the embodiment of the present invention.

  In the C-type electric pole root rod 10 according to the embodiment of the present invention, raised portions 11 and 11 ′ (first raised portion / second raised portion) whose sizes are enlarged upward and laterally are formed at both ends, The trunk portion 12 of the utility pole 10 having the raised portions 11, 11 ′ at both ends via the inclined surface is smaller than the raised portions 11, 11 ′. A hook insertion hole 13 is formed through the center of the utility pole 10 in the horizontal direction, and slit-like bolt insertion holes 14 and 14 ′ are formed on both sides of the hook insertion hole 13, respectively. A concave first friction groove 15 having a predetermined depth is formed around the hook insertion hole 13 of the body portion 12, and a second notch is formed around the bolt insertion holes 14, 14 ′ of the body portion 12. Friction grooves 16, 16 'are formed respectively.

  In addition, inclined surfaces 17 and 17 ′ (first inclined surface / second inclined surface) are provided between the raised portions 11 and 11 ′ of the utility pole 10 and the raised portions 11 and 11 ′ at both ends. That is, the body portion 12 is connected to the raised portions 11 and 11 ′ at both ends via the inclined surfaces 17 and 17 ′, has a natural shape, and has excellent durability against an external impact applied to the corner portion. Have.

  The utility pole 10 according to another embodiment of the present invention further includes a ground plate 30 attached to the bottom surface, and a ground wire 31 having one end connected to the ground plate 30 and the other end drawn through the body 12. It can be connected to the ground line of the utility pole through the ground line 31.

  As shown in FIG. 6, the utility pole 10 is attached to the utility pole 21 with a U-shaped bolt 20.

  The operation of the C-type power pole for a utility pole installation work having a raised portion according to the present invention having such a configuration will be described in detail with reference to the accompanying drawings.

  In general, after the minimum excavation work for burying the C-type utility pole is completed using equipment such as an auger crane and a backhoe and human power, the utility pole 10 is connected to the utility pole 21 by the U-shaped bolt 20. Attach to.

  At this time, raised portions 11 and 11 ′ having an enlarged size are formed at both ends of the C-type utility pole 10 according to the embodiment of the present invention. Since the raised portions 11 and 11 ′ act to greatly increase the interference with the soil and the friction area due to backfilling, the cohesive force with the soil eventually increases, and the utility pole 21 can be maintained more stably and firmly. it can.

  That is, an appropriate cohesive force with the soil can be obtained by using only the C-type root knot, but there is a risk that the utility pole may be inclined or inclined depending on the properties of the soil or the geological condition. In such a case, the inclination and inclination of the utility pole 21 are prevented by further improving the binding force with the soil through the raised portions 11 and 11 ′ formed on the utility pole 10 according to the embodiment of the present invention.

  Moreover, the utility pole rod 10 according to the embodiment of the present invention includes bolt insertion holes 14 and 14 ′ in the body portion 12. The bolt insertion holes 14 and 14 ′ have a slit shape penetrating in the horizontal direction, so that the U-shaped bolt 20 can be more easily assembled when assembling the U-shaped bolt 20 for mounting the utility pole 10 to the utility pole 21. It has the advantage that it can be quickly inserted and fixed.

  The trunk 12 of the utility pole 10 according to the present invention as described above has a shape that is smaller in size than the raised portions 11 and 11 ′. Thus, since the size of the trunk | drum 12 is reduced, the whole weight of the utility pole 10 is reduced greatly, and handling and installation are easy. In addition, the raised portions 11 and 11 ′ and the trunk portion 12 of the utility pole 10 are integrally connected via the inclined surfaces 17 and 17 ′ to reduce the overall weight of the utility pole 10, while the soil and Therefore, the utility pole 21 can be supported more stably.

  In particular, a hook insertion hole 13 is formed in the center of the body portion 12 so as to penetrate in the horizontal direction. Therefore, as shown in FIG. 5, when the utility pole 10 is moved and installed using the crane 110, the utility pole transport and installation hook 111 provided on the crane 110 is inserted into the hook insertion hole 13. Therefore, the utility pole 10 can be handled more conveniently.

  Further, a first friction groove 15 formed around the hook insertion hole 13 and second friction grooves 16 and 16 ′ formed around the bolt insertion holes 14 and 14 ′ are provided on the outer periphery of the body portion 12. Therefore, the frictional resistance between the utility pole 10 and the soil is further improved through the first friction groove 15 and the second friction grooves 16 and 16 '. In use, the second friction grooves 16 and 16 ′ also serve as a space in which a fixing nut (not shown) fastened to the screw portion of the U-shaped bolt 20 is located.

  At this time, the bottom surface 18 of the second friction grooves 16 and 16 ′ is formed so as to be inclined at an angle of 5 ° to 10 ° toward the outside, so that the nut of the U-shaped bolt rubs when the utility pole 10 is installed. This prevents contact with the inner wall of the groove. Therefore, a tool for tightening the nut can be used more easily. In addition, since the nut moves outward along the inclined surface when the nut is fastened, the surface contact portion increases while the position of the U-shaped bolt sequentially moves from the inside to the outside of the bolt insertion holes 14 and 14 '. The U-shaped bolt can be firmly and stably fixed.

  Therefore, as shown in FIG. 6, the utility pole 10 attached to the lower part of the utility pole 21 and embedded in the soil can be easily installed with an excellent bonding force with the soil.

  On the other hand, as shown in FIG. 7, a utility pole basin according to another embodiment of the present invention has a ground plate 30 made of a metal material attached to the entire bottom surface of the utility pole skeleton 10. Connect the lines 31. The grounding wire 31 can be used by being easily connected to the grounding line of the utility pole after being exposed to the outside through the body portion 12 of the utility pole 10.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  According to the present invention, the contact force with the soil is improved through the raised portion, the weight of the utility pole can be reduced through the further reduced body portion, and the movement and installation work of the utility pole using a crane can be performed by the hook insertion hole. It is easy, and a U-shaped bolt can be easily fastened by a bolt insertion hole to provide convenience in construction. Therefore, it can be said that the industrial applicability of the present invention is extremely high.

It is a perspective view which shows the C-type utility pole root rod concerning a prior art. It is a front perspective view which shows the C-type utility pole root rod which concerns on embodiment of this invention. It is a back perspective view which shows the C-type utility pole root based on embodiment of this invention. It is a plane sectional view of a C type electric pole root fence concerning an embodiment of the present invention. It is the schematic which shows the process of throwing in the C-type electric pole root rod which concerns on embodiment of this invention to a buried land. It is the schematic which shows the construction process of the C-type utility pole root based on embodiment of this invention. It is a perspective view which shows the C-type utility pole root rod concerning other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Utility pole 11, 11 'Raised part 12 Body part 13 Hook insertion hole 14, 14' Bolt insertion hole 15 1st friction groove 16, 16 '2nd friction groove 17, 17' Inclined surface 18 Bottom face 20 U-shaped bolt 21 Telephone pole 30 Ground plate 31 Ground wire

Claims (5)

In the C-type electric pole for the pole construction:
A first ridge enlarged in size upward and laterally;
A second ridge that is increased in size upward and laterally;
A trunk portion having a smaller size than the first and second ridges and disposed between the first and second ridges;
Including
The body part is
A hook insertion hole formed in the horizontal direction;
A slit-like bolt insertion hole formed in a horizontal direction on both sides of the hook insertion hole;
I have a,
A C-type utility pole for a utility pole installation work having a raised portion, wherein a concave first friction groove having a predetermined depth is formed around a hook insertion hole on an outer periphery of the body part .   The body portion further includes a first inclined surface and a second inclined surface formed between the first raised portion and the body portion, and between the second raised portion and the body portion, respectively. The C-type pole pole for a utility pole installation work having a raised portion according to claim 1. In the C-type electric pole for the pole construction:
A first ridge enlarged in size upward and laterally;
A second ridge that is increased in size upward and laterally;
A trunk portion having a smaller size than the first and second ridges and disposed between the first and second ridges;
Including
The body part is
A hook insertion hole formed in the horizontal direction;
A slit-like bolt insertion hole formed in a horizontal direction on both sides of the hook insertion hole;
Have
Wherein the outer periphery of the body portion, wherein a second friction groove having a shape notched portion around the bolt insertion hole is formed, C-type utility pole underbracing for utility pole construction with uplift portion.   It prevents the nut of the U-shaped bolt from coming into close contact with the inner wall of the friction groove during the installation work of the utility pole, and the position of the U-shaped bolt moves by moving the nut outward along the inclined surface when the nut is fastened. The bottom surface of the second friction groove is inclined at an angle of 5 ° to 10 ° so that the U-bolt is firmly fixed while sequentially moving from the inside to the outside of the bolt insertion hole to firmly fix the U-shaped bolt. The C-type utility pole for a utility pole installation work having a raised portion according to claim 3, characterized by being formed as follows. In the C-type electric pole for the pole construction:
A first ridge enlarged in size upward and laterally;
A second ridge that is increased in size upward and laterally;
A trunk portion having a smaller size than the first and second ridges and disposed between the first and second ridges;
Including
The body part is
A hook insertion hole formed in the horizontal direction;
A slit-like bolt insertion hole formed in a horizontal direction on both sides of the hook insertion hole;
Have
A conductive metal ground plate attached to the bottom of the body;
A ground wire drawn from the ground plate;
And further comprising a, C-type utility pole underbracing for utility pole construction with uplift portion.

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