KR100902293B1 - No basis upright steel tower - Google Patents

Abstract

A foundation-less free standing steel pole is provided to prevent soil contamination and to reduce construction hour and labour hour. A foundation-less free standing steel pole comprises a steel pipe pole(10), a base flange(20) which is comprised in order to have the diameter which is bigger than the steel pipe pole, and includes a plurality of holes in surrounding, a plurality of reinforcing ribs(22) which is protruded to the predetermined height in the upper of the base flange and is connected to the steel pipe pole, a fixture(40) which on the whole fixes and supports the steel pipe pole, and a fastener(30) connecting the fixing means and base flange.

Description

Inorganic Freestanding Iron Bar {No Basis Upright Steel Tower}

The present invention relates to a pontoon, and in particular, because it does not construct the base concrete, the invention relates to an inorganic grass stand-alone pontoon that can reduce the construction area and shorten the time.

Generally, various structures installed on the ground, such as traffic lights, street lights, traffic signs, and the like, use pontoons as columns for supporting lights or signs.

Since the iron column is leaked in the vertical direction to the ground, the concrete structure is fixed to the ground, and then a plurality of bolts are projected to the concrete structure, thereby fixing the bottom of the iron rod to the bolt and installing the nut.

1 is a configuration cross-sectional view for explaining the cast iron structure and construction method according to the prior art.

As shown in FIG. 1, in the prior art, the structure and construction method of the cast iron, in order to construct the cast iron 2, first dig the ground to a certain depth and width, and install the concrete structure 1 therein.

In order to install the concrete structure (1) to form a foundation pit (3) by digging the ground to a certain depth (about 2-3m) and the extent to which the formwork can be installed.

Subsequently, after the rubble is laid on the bottom of the foundation pit 3 to a thickness of about 20 cm, a formwork is installed in the foundation pit, and an anchor bolt 4 is installed in the formwork.

Then, the concrete mortar is laminated in the formwork, and when the concrete mortar is cured, the formwork is removed to form the concrete structure 1 having the anchor bolt embedded therein.

As such, when the concrete structure 1 is completed, the soil is filled in the foundation pit 3 around the concrete structure 1 and compacted.

Then, the bottom of the column is inserted into the anchor bolt 4 of the concrete structure 1 and squeezed with a nut to fix the column 2 to the concrete structure 1.

However, in the method of construction of the cast iron using the concrete structure as described above has the following problems.

First, in order to form a concrete structure, it takes a lot of construction time to make the formwork, transfer the formwork to the site and assemble the formwork.

Second, since the work space necessary for assembling and dismantling the formwork is necessary, the foundation pit must be dug to a certain depth and width, and the soil must be filled in the foundation pit, which requires a lot of labor and time.

Third, because the concrete structure is buried underground, if the concrete structure is also to be demolished when the pontoon is to be demolished, if not demolished, it will cause the glaze of the soil.

The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide an inorganic grass-free self-supporting iron bar to prevent soil contamination while reducing construction time and labor time.

Inorganic grass-free self-supporting pontoon according to the present invention for achieving the above object is a base flange configured to have a larger diameter than the steel pipe column, the lower end of the steel pipe column, and a predetermined height on the upper side of the base flange A plurality of reinforcing ribs protruding and connected to the steel pipe column, fixing means connected to the lower end of the base flange, and fastening means connecting the fixing means and the base flange, wherein the fixing means has a predetermined space. A guide plate having a corresponding inclined surface at both ends at a central portion of the lower cover so as to vertically reciprocate in an inner space and an outer space between the upper cover and the lower cover and a corresponding upper cover and lower cover; Inner and outer space between the upper cover and the lower cover according to the reciprocating motion of the guide plate The upper cover and the expansion plate capable of reciprocating horizontally in the horizontal, the step formed in one end of the guide plate and the expansion plate formed in the inner space of the upper cover and the lower cover, and the step formed in the guide plate and the expansion plate It characterized in that it comprises a locking step formed in a predetermined portion of the upper cover and the lower cover to prevent the departure from the lower cover.

Inorganic candle self-supporting iron column according to the present invention has the following effects.

First, after forming a perforation on the ground of the portion where the iron bar is to be installed using a punching machine, by forming a barbed pedestal in the interior of the perforation, it is possible to reduce the construction time and labor time by configuring the iron bar connected to the iron bar pedestal.

Second, by not installing concrete structures in the ground, soil contamination can be prevented in advance.

Third, by providing the wing means on the lower surface of the barbed pedestal buried in the perforated part by the perforator wider than the barbed pedestal to support the davit firmly regardless of the geological state in the ground is uniform or uneven Can be.

Hereinafter, with reference to the accompanying drawings, the inorganic weapons self-supporting iron column according to the present invention in more detail.

Figure 2 is an exploded perspective view showing the base of the inorganic weapon self-supporting iron column according to the present invention, Figure 3 is a perspective view of the base flanger of Figure 2;

As shown in FIGS. 2 and 3, the inorganic candle self-supporting iron column according to the present invention includes a steel pipe column 10, a base flange 20, a fastening means 30, and a fixing means 40.

Here, the steel pipe column 10 is a portion having a predetermined depth and width using a perforator (not shown) on the ground to be constructed, and then buried in the pit portion, the top portion is the same as the ground It is comprised so that it may protrude in height or predetermined height.

On the other hand, the steel pipe column 10, for example, a variety of structures, for example, traffic lights, street lights, traffic signs, etc. are used as a base for supporting a light or display board, a power pole for transmitting power, a high-voltage pylon.

The base flange 20 is configured to have a larger diameter than the steel pipe column 10, and a plurality of holes 21 are formed at regular intervals around the base flange 20.

In addition, a plurality of reinforcing ribs 22 are formed on the upper side of the base flange 20 to protrude to a predetermined height and to be connected to the steel pipe column 10. Here, since the diameter of the steel pipe column 10 is smaller than the diameter of the base flange 20, the reinforcing rib 22 is an edge of the upper portion of the base flange 20 in order to support the steel pipe column 10 more stably. And it is configured to support the outside of the steel pipe column (10).

The fastening means 30 is fixed through the bolt, and the fastening means 30 is provided to correspond to a plurality of holes 21 formed in the base flange 20.

The bolt of the fastening means 30 is inserted into the hole 21 of the base flange 20 and is fastened by fixing the fixing means 40 to a predetermined depth.

The fixing means 40 is connected to the base flange 20 is wider than the diameter of the base flange 20 in the ground to securely support the steel pipe column 10 as a whole.

In addition, the fixing means 40 has a predetermined space and the vertical cover reciprocating movement to the outside and the inner space of the upper cover 41 and the lower cover 42 and the upper cover 41 and the lower cover 42 Possible guide plate 43 and a plurality of expansion plates 44 for horizontally reciprocating the inner space and the outer space between the upper cover 41 and the lower cover 42 according to the reciprocating motion of the guide plate 43. It is composed.

The upper cover 41 has a fastening hole formed to be connected to the base flange 20 through the fastening means 30. Here, the fastening means 30 is connected to the bolt as described above, it is configured to be fastened to the fastening hole by the rotation of the bolt.

On the other hand, the fixing means 40 will be described in detail as follows.

That is, FIG. 4 is a configuration cross-sectional view schematically showing a pre-operational process of the fixing means shown in FIG. 2, and FIG. 5 is a rear view schematically showing a pre-operational process of the fixing means shown in FIG. 2.

As shown in Figure 4 and 5, the fixing means 40 has a predetermined space and the upper cover 41 and the lower cover 42 corresponding to each other, and protrudes in the central portion of the lower cover 42 A guide plate 43 configured to vertically reciprocate into a space between the upper cover 41 and the lower cover 42, and between the upper cover 41 and the lower cover 42, wherein the upper cover A plurality of expansion plates extending from the inner space between the upper cover 41 and the lower cover 42 to the outer space according to the inflow of the guide plate 43 into the inner space between the 41 and the lower cover 42 ( 44).

At this time, in the space between the upper cover 41 and the lower cover 42, the thickness of the guide plate 41 and the expansion plate 44 or so that the movement of the guide plate 43 and the expansion plate 44 proceeds smoothly. It has more space than width.

In addition, the locking jaw 45 is formed in the space between the upper cover 41 and the lower cover 42 to prevent the guide plate 43 and the expansion plate 44 from being separated to the outside.

One end of the guide plate 43 and the expansion plate 44 formed in the inner space between the upper cover 41 and the lower cover 42 has stepped portions 43b and 44a having a wider width than other portions. have. Accordingly, even when the extension plate 44 is pushed out when the guide plate 43 is introduced into the inner space between the upper cover 41 and the lower cover 42, the locking jaw 45 and the stepped walls 43b and 44a. Can be prevented from being separated to the outside.

In addition, the guide plate 43 is configured to proceed vertical reciprocation by an external impact, both ends of the guide plate 43 has an inclined surface (43a) to have a constant inclination on both sides toward the center portion have.

Here, the guide plate 43 is introduced into the inner space between the upper cover 41 and the lower cover 42 to reach the bottom of the pit formed in a predetermined depth on the ground, and thus the expansion plate 44 is everywhere It is withdrawn and dug into the ground on the side of the pit and fixed.

In addition, the side surface of the expansion plate 44 corresponding to the guide plate 43 is formed with an inclined surface 44a having an inclination in one direction corresponding to the inclined surface 43a of the guide plate 43.

In addition, the end portion of the expansion plate 44 is formed in a pointed triangular pyramid so that the expansion plate 44 can be dug more smoothly when the guide plate 43 is pushed out.

On the other hand, when the guide plate 43 is introduced into the space between the upper cover 41 and the lower cover 42, the predetermined portion of the expansion plate 44 which is formed on the front and rear and left and right sides of the guide plate 43 is It is configured to be pushed out between the upper cover 41 and the lower cover 42.

The upper cover 41 has a groove 41a having a predetermined depth so that the guide plate 43 may be inserted deeper while assisting the guide plate 43 when the guide plate 43 is inserted therein. Here, the groove 41a is formed to have a wider width than the guide plate 43.

6 is a cross-sectional view schematically showing an operation process of the fixing means shown in FIG. 2, and FIG. 7 is a rear view schematically showing an operation process of the fixing means shown in FIG. 2.

As shown in Figs. 6 and 7, the fixing means 40 is inserted into the perforated drilled to a predetermined depth and width by the perforator and then grounded around. Subsequently, when a constant pressure is applied to the uppermost portion, the guide plate 43 flows into the space between the upper cover 41 and the lower cover 42.

At this time, when the guide plate 43 is introduced into the space between the upper cover 41 and the lower cover 42, the inclined surface 44a of the expansion plate 44 formed to correspond to the inclined surface 43a of the guide plate 43. Pushed out.

When the guide plate 43 is completely introduced into the space between the upper cover 41 and the lower cover 42, the extension plate 44 is extended by the length of the introduced guide plate 43. 41 is protruded to the outside between the lower cover 42 of the perforated side to fix the entire pontoon and the like.

8 is a view for explaining the assembly process of the inorganic weapon self-supporting cast iron structure according to the present invention.

As shown in FIG. 8, the inorganic grass-free self-supporting cast iron structure according to the present invention forms a pit 50 having a predetermined depth and width from the ground by using a puncher or the like on the ground to be constructed, and the pit 50 Insert the weapon stand self-supporting iron column (100) inside. Here, when inserting the inorganic grass-free self-supporting iron column 100 in the pit 50, by applying a constant pressure to the upper portion of the inorganic grass-free self-supporting iron column 100 (44 in Figure 6) to the side of the pit 50 By drawing out, the inorganic candle self-supporting iron column 100 is fixed to the ground.

Subsequently, the grounding 60 is performed by filling the periphery of the inorganic herb self-supporting iron column 100 inserted into the pit 50 and fixed.

And connect the main body of the structure to be installed through the upper flange (not shown), etc. to the steel pipe column forming the inorganic weapon self-supporting iron column (100).

9 is an assembly view showing an inorganic candle self-supporting iron column according to the present invention.

As shown in FIG. 9, the guide plate 43 reciprocating the upper space 41 and the lower cover 42 and the central space between the upper cover 41 and the lower cover 42, and the guide plate. In accordance with the reciprocating movement of 43, an expansion plate 44 capable of reciprocating between the upper lid 41 and the lower lid 42 is configured to be included.

On the other hand, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the technical spirit of the present invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

1 is a configuration cross-sectional view for explaining the cast iron structure and construction method according to the prior art

Figure 2 is an exploded perspective view showing the base of the inorganic weapon self-supporting iron column according to the present invention

3 is a perspective view of the base flanger of FIG.

4 is a cross-sectional view schematically showing a process before the operation of the fixing means shown in FIG.

5 is a rear view schematically showing a process before the operation of the fixing means shown in FIG.

6 is a cross-sectional view schematically showing the operation of the fixing means shown in FIG.

7 is a rear view schematically showing an operation process of the fixing means shown in FIG.

8 is a view for schematically explaining the assembly process of the inorganic grass self-supporting cast iron structure according to the present invention

Figure 9 is an assembly view showing the inorganic candle self-supporting iron column according to the present invention

Explanation of symbols for the main parts of the drawings

10: steel pipe column 10: base flange

30: fastening means 40: fixing means

41: upper cover 42: lower cover

43: guide plate 44: expansion version

Claims (7)

Steel Pipe, A base flange configured to have a diameter larger than that of the steel pipe at the lower end of the steel pipe; A plurality of reinforcing ribs protruding at a predetermined height above the base flange and connected to the steel pipe column; Fixing means connected to the lower end of the base flange, It comprises a fastening means for connecting the fixing means and the base flange, The fixing means has a predetermined space and corresponding top cover and bottom cover, A guide plate having a predetermined inclined surface at both ends at a central portion of the lower cover so as to vertically reciprocate in the inner space and the outer space between the upper cover and the lower cover; An expansion plate capable of reciprocating horizontally in an inner space and an outer space between the upper cover and the lower cover according to the reciprocating motion of the guide plate; Steps formed at one end of the guide plate and the expansion plate formed in the inner space of the upper cover and the lower cover, Inorganic grass self-supporting iron column comprising a locking jaw formed in a predetermined portion of the upper cover and the lower cover in order to correspond to the step formed in the guide plate and the expansion plate to prevent the departure from the upper cover and the lower cover . [Claim 2] The self-supporting iron pillar of claim 1, wherein the fastening means is fastened to the upper cover of the fixing means through a hole formed in the base flange to connect the base flange and the fixing means. The method of claim 1, wherein the fixing means is connected to the base flange in the ground, the expansion plate is wider than the diameter of the base flange is wider than the diameter of the base of the inorganic weapon independent self-supporting iron column characterized in that the fixed support. [Claim 2] The self-supporting iron pillar of claim 1, wherein both ends of the extension plate have an inclined surface at a predetermined slope. [Claim 2] The self-supporting iron pillar of claim 1, wherein the upper cover and the lower cover are connected by the fastening means. delete According to claim 1, wherein the upper cover is formed in a predetermined depth while having a wider width than the guide plate to be inserted deeper while helping guide the guide plate when the guide plate in the vertical reciprocating motion therein Inorganic candles stand-alone pontoon characterized in that it further comprises.

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