KR20160056535A - Pressing packer and manufacturing method of the same - Google Patents

Pressing packer and manufacturing method of the same Download PDF

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Publication number
KR20160056535A
KR20160056535A KR1020140156855A KR20140156855A KR20160056535A KR 20160056535 A KR20160056535 A KR 20160056535A KR 1020140156855 A KR1020140156855 A KR 1020140156855A KR 20140156855 A KR20140156855 A KR 20140156855A KR 20160056535 A KR20160056535 A KR 20160056535A
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KR
South Korea
Prior art keywords
packing material
core
elastic
tube
band
Prior art date
Application number
KR1020140156855A
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Korean (ko)
Inventor
윤용수
나병관
Original Assignee
윤용수
나병관
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Priority to KR1020140156855A priority Critical patent/KR20160056535A/en
Publication of KR20160056535A publication Critical patent/KR20160056535A/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The present invention relates to a pressing packer for ground insertion and a manufacturing method thereof and, particularly, to a pressing packer for ground insertion inserted into a perforated hole to seal the perforated hole and a manufacturing method thereof. The present invention provides the pressing packer for ground insertion, which comprises; a core material inserted into the perforated hole formed in the ground; an upper packing material through which the core material is penetrated; a packing member formed of a lower packing material, through which the core material is penetrated, under the upper packing material; a flexible tube wrapped around the outside of the upper packing material and the lower packing material spaced from each other to form a space therein; an injection pipe around which the flexible tube is wrapped with the upper packing material and which communicates with the inside of the flexible tube; an elastic band wrapped around the flexible tube at a portion in which the packing member is arranged; and a metal band wrapped on the elastic band, wherein the width of the elastic band is greater than that of the metal band, and the elastic band includes: a first protection unit arranged at a lower part of the metal band; a second protection unit covering an upper part of the metal band; and a connecting protection unit connecting one end of the first protection unit to one end of the second protection unit, thereby making the elastic band prevent a contact between the metal band and the flexible tube.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressurizing packer for underground insertion,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressurized packer for underground insertion and a method for manufacturing the same, and more particularly, to a pressurized packer for inserting an underground insert which is inserted into a perforated hole to seal the perforated hole and a method for manufacturing the same.

As the industry develops, it is inevitable to develop inclined places such as mountainous areas by constructing or constructing new cities. Therefore, it is necessary to increase the utilization of land and secure the stability of residential complexes, Is required.

Soil-Nailing, which is the most widely used slope stabilization method, is widely used for reinforcement of slope and flexible support for excavation.

It is called as a method to suppress the expected displacement of the ground during the construction or after completion of the construction by perforating the paperboard at relatively closely spaced intervals, increasing the shear strength of the paperboard itself by grouting the perforation hole after inserting the nail into the perforation hole .

Korean Patent Laid-Open No. 10-2007-0114961 and Laid-Open No. 10-2012-0085354 disclose a technique of inserting a packer into a perforation hole.

Such a packer generally injects filler such as mortar into the inside of the stretch tube to expand the stretch tube so that the stretch tube is brought into close contact with the perforation hole.

At this time, metal bands or the like are fastened to the outer peripheral surfaces at both ends of the extensible tube.

However, when the expansion / contraction tube made of a nonwoven fabric or the like is inflated, there is a problem that the expansion / contraction tube is torn due to a sharp metal band.

SUMMARY OF THE INVENTION The present invention has been made in an effort to solve the above problems and has an object of providing an underground pressurizing packer capable of preventing a tear of an extensible tube against a metal band even if a filler such as a mortar is filled in the extensible tube, And a method for producing the same.

According to an aspect of the present invention, there is provided a pressurized packer for inserting an underground, comprising: a core inserted into a perforation hole formed in the ground; A packing member having an upper packing member through which the core member passes and a lower packing member through which the core member passes under the upper packing member; An expansion and contraction tube which surrounds the upper and lower packing materials spaced apart from each other to form a hollow space therein; An injection tube which is wrapped with the upper packing material by the extensible tube and communicates with the inside of the extensible tube; An elastic band surrounding the elastic tube at a portion where the packing member is disposed; A width of the elastic band is greater than a width of the metal band, and the elastic band is disposed at a lower portion of the metal band; A second protective portion covering an upper portion of the metal band; And a connection protector for connecting one end of the first protector to one end of the second protector, wherein the metal band is prevented from contacting the elastic tube by the elastic band.

And a finishing tape surrounding the elastic band.

Further comprising: an anchor portion disposed at a lower portion of the lower packing portion, wherein the core material includes: a first core and a second core that are spaced apart from each other and pass through the packing member; And a connection core member connected to the anchor portion while interconnecting the first core member and the second core member.

Wherein the upper packing material comprises a first upper packing material through which the first core material passes and a second upper packing material through which the second core material passes, wherein the lower packing material comprises a first lower packing material through which the first core material passes, And a second lower packing member through which the second core member passes, wherein the injection pipe is disposed between the first upper packing member and the second upper packing member, and the upper packing member and the lower packing member are made of an elastic material And the upper portion of the expansion and contraction tube surrounds the first upper packing material, the second upper pick material and the injection tube, and the lower portion surrounds the first lower packing material and the second lower packing material.

According to another aspect of the present invention, there is provided a method of manufacturing a pressurizing packer for inserting an underground, comprising: a core material placing step of passing a core material through mutually spaced upper and lower packing materials; An injection tube mounting step in which one end of the injection tube is disposed between the upper packing material and the lower packing material; A stretch tube joining the upper and lower packing materials to form an empty space therein; An elastic band bonding step of wrapping the elastic tube in a region where the upper packing material and the lower packing material are disposed as elastic bands; A metal band bonding step of wrapping the elastic band with a metal band; Wherein the width of the elastic band is larger than the width of the metal band so that a part of the elastic band is turned over to cover the upper portion of the metal band, And the band is cut off from contact with the extensible tube.

And a finishing step of wrapping the elastic band covering the upper portion of the metal band with a finishing tape.

As described above, according to the pressurizing packer for underground insertion of the present invention and the method for manufacturing the same, the following effects can be obtained.

Since the elastic band surrounds the metal band, even if the filling material such as mortar is filled in the extensible tube and the extensible tube is expanded, it is possible to prevent the extensible tube from tearing against the metal band.

1 is a perspective view of a pressurized packer for underground insertion according to an embodiment of the present invention,
2 is an exploded perspective view of a pressurizing packer for underground insertion according to an embodiment of the present invention,
3 is a cross-sectional structural view taken on line A-A 'in Fig. 1,
FIG. 4 is a cross-sectional structural view of a pressurized packer manufacturing method for inserting an underground according to an embodiment of the present invention,
FIG. 5 is a cross-sectional structural view of a state where the expansion and contraction tube coupling step, the elastic band coupling step, and the metal band coupling step are completed in FIG.
FIG. 6 is a cross-sectional view of the metal band cover step in FIG. 5,
FIG. 7 is a cross-sectional structural view showing a state where the finishing step is completed in FIG. 6;
FIG. 8 is a cross-sectional structural view of a pressurized packer for inserting a ground according to an embodiment of the present invention in which a filler is injected. FIG.

FIG. 1 is a perspective view of a pressurizing packer for inserting an underground according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a pressurizing packer for underground insertion according to an embodiment of the present invention, Fig.

1 to 3, the pressurizing packer for underground insertion according to the present invention comprises an anchor portion 10, a core 20, a packing member 30, an extensible tube 40, an injection tube 50, an elastic band 60, a metal band 70, a finishing tape 80, and the like.

The anchor portion 10 is inserted and arranged in a perforation hole formed in the ground.

The anchor portion 10 is provided with a plurality of wings 15 to allow the wings 15 to be deployed according to the operator's selection.

It is sufficient to use the anchor portion 10 as shown in Korean Patent Laid-Open No. 10-2013-0069169.

The core member 20 is formed of a steel wire or the like and is coupled to the anchor portion 10 and inserted into the perforation hole.

The core 20 includes a first core 21, a second core 22, and a connection core 23.

The first core 21 and the second core 22 are spaced from each other and penetrate the packing member 30.

The connection core 23 is formed in a U-shape and connects the first core 21 and the second core 22 to each other while enclosing the anchor 10.

If the anchor portion 10 is not provided, the core 20 may be formed of the first core 21 and / or the second core 22 without the connection core 23.

In the present embodiment, the core 20 is composed of two strands and is engaged while wrapping the anchor portion 10.

The packing member 30 is composed of an upper packing material 31 and a lower packing material 34 spaced apart from each other.

The upper packing material 31 is positioned above the lower packing material 34 with respect to the anchor portion 10.

The core (20) penetrates the upper packing material (31) and the lower packing material (34).

The packing member 30 is made of an elastic material such as a sponge that can be deformed by an external force.

The upper packing material 31 is divided into a first upper packing material 32 through which the first core material 21 passes and a second upper packing material 33 through which the second core material 22 passes The lower packing material 34 is composed of a first lower packing material 35 through which the first core material 21 passes and a second lower packing material 36 through which the second core material 22 passes.

However, unlike the present embodiment, the upper packing material 31 and the lower packing material 34 may be one each. In this case, the first core material 21 and the second core material 22 may be made of the same material, (31) and the lower packing material (34).

The extensible tube 40 is made of rubber, nonwoven fabric, or the like, and surrounds the upper packing material 31 and the lower packing material 34 spaced apart from each other to form an empty space therein.

As shown in FIG. 8, the extensible tube 40 is gradually expanded in its outer diameter by a filling material such as a mortar introduced through the injection tube 50, and is brought into close contact with the inner wall of the perforation hole.

The injection tube 50 is wrapped with the upper packing material 31 by the extensible tube 40 and communicates with the inside of the extensible tube 40.

Mortar or the like is introduced into the inner hollow space formed in the extensible tube 40 through the injection tube 50.

In this embodiment, the injection tube 50 is disposed between the first upper packing material 32 and the second upper packing material 33.

However, unlike the present embodiment, the injection tube 50 may be mounted through the upper packing member 31 like the core member 20.

The injection tube 50 is made of a metal or plastic material whose inner diameter is not easily deformed by an external force.

Therefore, the upper portion of the extensible tube 40 surrounds the first upper packing material 32, the second upper pick material, and the injection tube 50, and the lower portion thereof surrounds the first lower packing material 35 and the second lower portion The packing material 36 is wrapped.

The elastic band 60 surrounds the outer peripheral surface of the elastic tube 40 at a position where the packing member 30 is disposed.

Therefore, in the present embodiment, the elastic band 60 is formed in two to cover the elastic tube 40 at a position where the upper packing material 31 and the lower packing material 34 are disposed.

The elastic band 60 is made of rubber, silicone, or the like.

The metal band 70 is made of iron or the like to cover the elastic band 60.

Since the number of the elastic bands 60 is two, the metal bands 70 are also formed in two.

At this time, the width of the elastic band 60 is larger than the width of the metal band 70.

Preferably, the width of the elastic band (60) is at least two times greater than the width of the metal band (70).

The elastic tube 40 can be strongly coupled to the packing member 30 by the metal band 70 as described above.

The elastic band 60 is disposed between the extensible tube 40 and the metal band 70 so that the metal band 70 contacts the elastic tube 60, The expansion and contraction tube 40 and the metal band 70 contact each other when the expansion and contraction tube 40 expands to prevent the expansion and contraction tube 40 from being torn by the metal band 70 .

In order to increase the effect of the present invention, the elastic band 60 includes a first protection part 61, a second protection part and a connection protection part 63.

The first protective portion 61 is disposed below the metal band 70.

The second protective portion 62 covers the upper portion of the metal band 70.

The connection protector 63 connects one end of the first protector 61 and one end of the second protector 62. [

The elastic band 60 may have a width larger than that of the metal band 70 while the metal band 70 is coupled to the upper portion of the elastic band 60.

As one end of the elastic band 60 is turned over, the metal band 70 is not exposed to the outside and is disposed inside the elastic band 60.

Therefore, as described above, when the expansion and contraction tube 40 is inflated, the metal band 70 and the expansion and contraction tube 40 contact each other to prevent the expansion and contraction tube 40 from being torn.

The finishing tape 80 surrounds the elastic band 60 so that one end of the inverted elastic band 60 is not restored.

Hereinafter, a method of manufacturing the pressurizing packer for underground insertion according to the present invention having the above-described structure will be described.

FIG. 4 is a cross-sectional view of a pressurized packer manufacturing method for inserting a ground according to an embodiment of the present invention, in which a core material arranging step and an injection tube installing step are completed; FIG. 5 is a cross- FIG. 6 is a cross-sectional view of a state where the metal band cover step is completed in FIG. 5, FIG. 7 is a cross-sectional structural view of the state in which the finishing step is completed in FIG. 6, and FIG. FIG. 3 is a cross-sectional view illustrating a state in which a filler is injected into a pressurizing packer for underground insertion according to an embodiment of the present invention.

The method for manufacturing a pressurizing packer for underground insertion according to the present invention includes the steps of: a core material disposing step, an infusion tube disposing step, an extensible tube disposing step, an elastic band bonding step, a metal band bonding step, a metal band cover step, .

The core material arranging step is a step of passing the core material 20 through the upper packing material 31 and the lower packing material 34 which are spaced apart from each other as shown in FIG.

That is, the first core member 21 and the second core member 22 are respectively passed through the upper packing member 31 and the lower packing member 34.

4, one end of the injection tube 50 is disposed between the upper packing material 31 and the lower packing material 34.

As shown in FIG. 5, the step of assembling the expansion and contraction tube is a step of wrapping the upper and lower packing materials 31 and 34 with the expansion and contraction tube 40 to form a hollow space therein.

5, the elastic band 60 may be formed in the elastic band 60 so as to surround the outside of the elastic tube 40 at a portion where the upper packing material 31 and the lower packing material 34 are disposed. .

At this time, the elastic band 60 is attached to the outer circumferential surface of the elastic tube 40, and then the other end is pulled so that the elastic band 60 is strongly adhered to the elastic tube 40.

The metal band bonding step is a step of wrapping the outer periphery of the elastic band 60 with the metal band 70 as shown in FIG.

Since the width of the elastic band 60 is larger than the width of the metal band 70 as described above, the metal band 70 can be brought into contact with the elastic tube 60 by the elastic band 60, Lt; / RTI >

The metal band cover step may be performed by reversing one end of the elastic band 60 having a width larger than the width of the metal band 70 as shown in FIG. So as to cover not only the lower portion but also the upper portion.

The finishing step is a step of wrapping the elastic band 60 covering the upper portion of the metal band 70 with the finishing tape 80 as shown in FIG.

The pressurized packer of the present invention manufactured as described above is inserted into a perforation hole formed in the ground like a conventional pressurized container in the prior art, and then a filler such as a mortar is inserted into the perforated hole through the injection tube 50, The expansion and contraction tube 40 is expanded and tightly fixed to the inner wall of the perforation hole.

At this time, the metal band 70 is not brought into contact with the extensible tube 40 by the elastic band 60, so that even if the extensible tube 40 is inflated, Can be prevented from being torn due to contact with the metal plate.

As described above, by the pressurized packer of the present invention and the method of manufacturing the same, the expansion and contraction tube 40 can be strongly coupled to the packing member 30, and the expansion of the expansion and contraction tube 40, It is possible to prevent the extensible tube 40 from being torn by the contact of the elastic member 40.

The pressurizing packer for underground insertion according to the present invention and its manufacturing method are not limited to the above-described embodiments but can be variously modified within the scope of the technical idea of the present invention.

10: anchor portion, 15: wing portion,
20: core material, 21: first core material, 22: second core material, 23:
Wherein the first upper packing material is a first upper packing material and the second upper packing material is a second lower packing material,
40: stretch tube,
50: injection tube,
60: elastic band, 61: first protection part, 62: second protection part, 63: connection protection part,
70: metal band,
80: Closing tape.

Claims (6)

A core inserted into a perforation hole formed in the ground;
A packing member having an upper packing member through which the core member passes and a lower packing member through which the core member passes under the upper packing member;
An expansion and contraction tube which surrounds the upper and lower packing materials spaced apart from each other to form a hollow space therein;
An injection tube which is wrapped with the upper packing material by the extensible tube and communicates with the inside of the extensible tube;
An elastic band surrounding the elastic tube at a portion where the packing member is disposed;
And a metal band surrounding the elastic band,
Wherein the width of the elastic band is greater than the width of the metal band,
The elastic band
A first protective portion disposed under the metal band; A second protective portion covering an upper portion of the metal band; And a connection protector for connecting one end of the first protector to one end of the second protector,
And the metal band is cut off from contact with the elastic tube by the elastic band. The method according to claim 1,
And a finishing tape surrounding the elastic band. ≪ RTI ID = 0.0 > 11. < / RTI > The method according to claim 1,
And an anchor portion disposed at a lower portion of the lower packing portion,
The core material,
A first core and a second core spaced apart from each other and passing through the packing member;
And a connection core member connected to the anchor portion while interconnecting the first core member and the second core member. The method of claim 3,
Wherein the upper packing material comprises a first upper packing material through which the first core material passes and a second upper packing material through which the second core material passes,
Wherein the lower packing material comprises a first lower packing material through which the first core material passes and a second lower packing material through which the second core material passes,
Wherein the injection tube is disposed between the first upper packing material and the second upper packing material,
Wherein the upper packing material and the lower packing material are made of an elastic material,
Wherein the upper portion of the elastic tube surrounds the first upper packing material, the second upper pick material and the injection tube, and the lower portion surrounds the first lower packing material and the second lower packing material. A core material disposing step of inserting the core material into the upper packing material and the lower packing material spaced apart from each other;
An injection tube mounting step in which one end of the injection tube is disposed between the upper packing material and the lower packing material;
A stretch tube joining the upper and lower packing materials to form an empty space therein;
An elastic band bonding step of wrapping the elastic tube in a region where the upper packing material and the lower packing material are disposed as elastic bands;
A metal band bonding step of wrapping the elastic band with a metal band;
Wherein the width of the elastic band is greater than the width of the metal band so that a part of the elastic band is turned over to cover the upper portion of the metal band,
And the metal band is cut off from contact with the elastic tube by the elastic band. The method of claim 5,
Further comprising a finishing step of wrapping the elastic band covering the upper portion of the metal band with a finishing tape.
KR1020140156855A 2014-11-12 2014-11-12 Pressing packer and manufacturing method of the same KR20160056535A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170137485A (en) 2016-06-03 2017-12-13 주식회사 장평건설 Earth anchor apparatus having extension type packer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170137485A (en) 2016-06-03 2017-12-13 주식회사 장평건설 Earth anchor apparatus having extension type packer

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