KR102241015B1 - Connector using coupler for file and construction method for file using that - Google Patents

Abstract

According to one embodiment of the present invention, a pile connection device using a coupler, which is a device connecting a first pile and a second pile, comprises: a connection module disposed in the first pile and forming a connection space; and an insertion module disposed in the second pile and inserted into the connection space to be connected to the connection module. The connection module comprises: a cover unit forming the connection space and integrated with concrete of the first pile; a coupler disposed in the connection space, having an insertion space where the insertion module is inserted, and fastened with the insertion module; and a fastening plate disposed in an end part of the first pile for preventing the coupler from being separated from the connection space.

Description

A pile connection device using a coupler and a pile construction method using the same {CONNECTOR USING COUPLER FOR FILE AND CONSTRUCTION METHOD FOR FILE USING THAT}

The present invention relates to a file connection device using a coupler and a file construction method using the same, and more particularly, to a file connection device using a coupler that implements a connection between a first file and a second file, and a file construction method using the same. .

In general, in the case of civil works or construction works on the ground, concrete piles are installed for reinforcement of the ground and foundation works are constructed on top of them.

Such concrete piles are widely used mainly for foundation construction of buildings because they are relatively inexpensive to manufacture and have high resistance to vertical loads.

In addition, concrete piles have different depths to be embedded according to the ground conditions, and if the construction length of the piles is long, two or more piles may be put in succession.

That is, the joint of the conventional concrete pile employs a method of installing a seat plate of steel material at the end of the concrete pile and connecting it by welding.

This welding method is made to attach the steel seat plate to the end of the concrete pile in advance, and depending on the presence and location of the seat plate, there are many types of piles such as concrete piles connected to the upper, middle and lower parts and general concrete pile Must be manufactured and loaded.

For the upper connected concrete pile, a seat plate should be installed at the bottom, and for the middle connected concrete pile, a seat plate should be installed at the top and bottom, and for the lower connected concrete pile, the seat plate should be connected to the upper part. There is no.

However, for these many types of concrete piles, it is necessary to secure a separate storage space at the pile manufacturing plant and site, and there is a problem that the cost increases due to unnecessary inventory of the seat plate.

In addition, since the joint method by welding requires welding at the construction site, it takes a lot of time to connect and the environment around the construction site is poor, so there is a problem that a perfect joint cannot be expected.

Meanwhile, the Korean Utility Model Registration No. 20-0366036 (registered on October 19, 2004) discloses joints for concrete piles.

However, there is a difficulty in construction that the binding bolt 50 must be bound to match the center line of the nut 20.

The present invention is to solve the above problems, and is to provide a file connection device using a coupler that allows an operator to easily connect files, and a file construction method using the same.

The problem to be solved by the present invention is not limited to the above-described problems, and problems that are not mentioned will be clearly understood by those of ordinary skill in the art from the present specification and the accompanying drawings. .

A file connection device using a coupler according to an embodiment of the present invention is a device for connecting a first file and a second file, comprising: a connection module disposed in the first file and forming a connection space; And an insertion module disposed in the second file, inserted into the connection space, and connected to the connection module, wherein the connection module forms the connection space and is integrated with the concrete of the first pile, A coupler disposed on the connection space and forming an insertion space into which the insertion module is inserted, and a coupler fastened to the insertion module, and a fastening plate disposed at an end of the first file to prevent separation of the coupler from the connection space. Can be equipped.

According to the apparatus for connecting a pile using a coupler according to an embodiment of the present invention, there is an advantage that a builder can easily connect the pile.

The effects of the present invention are not limited to the above-described effects, and effects that are not mentioned will be clearly understood by those of ordinary skill in the art from the present specification and the accompanying drawings.

1 is a schematic exploded perspective view of a first file and a second file for explaining a file connection device using a coupler according to an embodiment of the present invention.
2 is a schematic cross-sectional view for explaining a connection module of a file connection device using a coupler according to an embodiment of the present invention.
3A is a schematic cross-sectional view for explaining an insertion module of a file connection device using a coupler according to an embodiment of the present invention, and FIG. 3B is a description of a bolt portion of a file connection device using a coupler according to an embodiment of the present invention For schematic front view.
Figure 4 is a schematic cross-sectional view showing that the insertion module of the file connection device using a coupler according to an embodiment of the present invention is fastened to the connection module.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the presented embodiments, and those skilled in the art who understand the spirit of the present invention can add, change, or delete other elements within the scope of the same idea. Other embodiments included within the scope of the inventive concept may be easily proposed, but this will also be said to be included within the scope of the inventive concept.

A file connection device using a coupler according to an embodiment of the present invention is a device for connecting a first file and a second file, comprising: a connection module disposed in the first file and forming a connection space; And an insertion module disposed in the second file, inserted into the connection space, and connected to the connection module, wherein the connection module forms the connection space and is integrated with the concrete of the first pile, A coupler disposed on the connection space and forming an insertion space into which the insertion module is inserted, and a coupler fastened to the insertion module, and a fastening plate disposed at an end of the first file to prevent separation of the coupler from the connection space. Can be equipped.

In addition, the insertion module is integrated with the concrete of the second pile and includes a nut part forming a fastening space, and a bolt part inserted into the fastening space and fastened to the nut part, inserted into the insertion space, and fastened to the coupler. I can.

In addition, the coupler may include a body portion forming the insertion space, a wedge portion fastened to the bolt portion, an elastic portion applying an elastic force to the wedge portion, and a cover portion preventing the elastic portion from being separated from the insertion space. have.

Further, the coupler may be moved in position by an external force on the connection space.

In addition, the connection module may further include a buffer unit disposed on the connection space to receive an external force from the coupler and transfer it to the cover unit, and buffer the external force.

A pile construction method according to another embodiment of the present invention is a method of constructing a pile on the ground by implementing a connection between a first pile and a second pile, comprising: a drilling hole construction step of forming a drilled hole in the ground; A file linking step of connecting the first file and the second file by fastening the insertion module disposed in the second file to the linking module integrated with the first file; And a pile construction step of constructing the first pile and the second pile on the perforated hole.

Components having the same function within the scope of the same idea shown in the drawings of each embodiment will be described using the same reference numerals.

1 is a schematic exploded perspective view of a first file and a second file for explaining a file connection device using a coupler according to an embodiment of the present invention.

2 is a schematic cross-sectional view illustrating a connection module of a file connection device using a coupler according to an embodiment of the present invention.

3A is a schematic cross-sectional view illustrating an insertion module of a file connection device using a coupler according to an embodiment of the present invention, and FIG. 3B is a description of a bolt portion of a file connection device using a coupler according to an embodiment of the present invention. It is a schematic front view for

4 is a schematic cross-sectional view showing that the insertion module of the file connection device using a coupler is fastened to the connection module according to an embodiment of the present invention.

In the accompanying drawings, in order to more clearly express the technical idea of the present invention, parts that are inferior to the technical idea of the present invention or that can be easily derived from those skilled in the art are simplified or omitted.

1 to 4, the file connection device 10 using a coupler according to an embodiment of the present invention may be a device that connects a first file P1 and a second file P2. .

That is, the pile connection device 10 using the coupler connects the first pile P1 and the second pile P2 to transfer the load between the first pile P1 and the second pile P2. It may be a device to implement.

As an example, the first file P1 and the second file P2 may be PHC files, the first file P1 is relatively upper, and the second file P2 is relatively lower. It may be a file to be placed.

However, the first file P1 and the second file P2 may be disposed at a relatively lower side, and the second file P2 may be disposed at a relatively upper side. , For convenience of explanation, it is assumed that the first file P1 is disposed at a relatively upper side, and the second file P2 is disposed at a relatively lower side.

As an example, the file connection device 10 using the coupler is disposed between the first file P1 and the second file P2 to connect the first file P1 and the second file P2. can do.

That is, the file connection device 10 using the coupler is disposed on the lower end of the first file P1 and the upper end of the second file P2 to provide the first file P1 and the second file P2. ) May be connected.

As an example, the file connection device 10 using the coupler is disposed in the first file P1, the connection module 100 forming a connection space S1 and the second file P2, The insertion module 200 may be inserted into the connection space S1 and connected to the connection module 100.

That is, the insertion module 200 may connect the first file P1 and the second file P2 by being inserted into the connection space S1 and fastened with the connection module 100.

A plurality of connection modules 100 may be spaced apart from each other on the first file P1, and the insertion module 200 may be provided with the second file P2 at a location corresponding to the connection module 100. A plurality of spaced apart from each other may be arranged.

Here, as an example, as shown in FIG. 2, the connection module 100 forms the connection space S1, and the cover part 100 integrated with the concrete of the first pile P1, the connection space The coupler 120 and the coupler 120 are disposed on (S1) and form an insertion space S2 into which the insertion module 200 is inserted, and the coupler 120 and the coupler 120 are fastened to the insertion module 200 are the connection space S1 A fastening plate 140 disposed at an end of the first file P1 may be provided to prevent separation from the first file P1.

For example, when the concrete forming the first pile P1 is poured into the formwork, the cover part 100 is disposed in the formwork and integrated with the concrete of the first pile P1 by pouring and curing the concrete. Can be.

For example, the cover part 100 may be formed of a metal material having a high strength to reinforce the cross-sectional loss of the first pile P1 due to the formation of the connection space S1, but the connection space S1 is formed. .

As an example, the cover part 100 prevents the sleeve 111 forming the connection space S1 and the concrete forming the first pile P1 from being poured on the connection space S1. A cap 113 covering the connection space S1 may be provided.

The sleeve 111 and the cap 113 may be screwed to each other or integrated by welding.

For example, the cover part 100 may have a cylindrical shape as a whole.

Here, as an example, the coupler 120 may be a component that implements fastening with the insertion module 200.

For example, the coupler 120 may be disposed on the connection space S1, and may form an insertion space S2 into which the insertion module 200 is inserted/fastened.

For example, the coupler 120 has an elastic force on the body portion 121 forming the insertion space S2, the wedge portion 123 fastened to the bolt portion 220 to be described below, and the wedge portion 123 An elastic part 124 to apply the elastic part 124 and a cover part 122 for preventing the elastic part 124 from being separated from the insertion space S2 may be provided.

For example, the body part 121 may form the insertion space S2 in which the wedge part 123 and the elastic part 124 are disposed.

For example, the main body 121 may form the insertion space S2 having an upper optical lower narrow shape so that the wedge part 123 can be fastened to the bolt part 220.

For example, the cover part 122 may be screwed with the body part 121 or integrated by welding.

For example, the wedge part 123 may be disposed on the insertion space S2 and fastened with the bolt part 220 inserted into the insertion space S2.

For example, a plurality of wedge portions 123 may cooperate to form one circle to fasten the bolt portion 220.

For example, the elastic part 124 may be configured to apply an elastic force to the wedge part 123 in a downward direction.

For example, one end of the elastic part 124 may be in contact with the cover part 122 and the other end of the elastic part 124 may be in contact with the wedge part 123.

For example, the elastic part 124 may be a spring.

Accordingly, the wedge part 123 may always receive an external force in a downward direction on the insertion space S2.

In addition, as an example, before the bolt part 220 is inserted into the insertion space S2 in the wedge part 123, the coupler 120 may have a plurality of wedge parts 123 spaced apart from each other. A fixing piece 125 disposed between the plurality of wedge portions 123 may be further provided.

As an example, the fixing piece 125 is disposed between the plurality of wedge portions 123 to secure the insertion space S2 so that the bolt portion 220 is easily inserted onto the wedge portion 123, As the bolt part 220 is pushed upward while being inserted on the wedge part 123, it may be separated from the upper side of the wedge part 123.

Here, as an example, the fastening plate 140 is disposed at the lower end of the first pile P1, and the coupler 120 can be prevented from being separated from the connection space S1.

For example, the fastening plate 140 may form an insertion hole H1 into which the bolt part 220 can be inserted.

For example, the size of the insertion hole H1 may be a size in which the bolt part 220 may be inserted, but the coupler 120 cannot be separated.

For example, the connection module 100 may further include a first reinforcing ring 150 for reinforcing the rigidity of the lower end of the first pile P1.

For example, the first reinforcing ring 150 may be provided with irregularities to maximize fixing power with concrete forming the first pile P1.

For example, the first reinforcing ring 150 and the fastening plate 140 may be integrated by welding.

In addition, as an example, the first reinforcing ring 150 and the fastening plate 140 may be disposed in a formwork to be integrated by pouring and curing concrete forming the first pile P1.

As a result, an external force applied to the coupler 120 may be transmitted to the fastening plate 140 and the first reinforcing ring 150.

Here, as an example, as shown in FIG. 3, the insertion module 200 may be formed at an upper end of the second file P2.

As an example, the insertion module 200 is integrated with the concrete of the second pile (P2) and is inserted into the nut part 210 forming a fastening space and the fastening space to be fastened with the nut part 210, and the insertion A bolt portion 220 inserted into the space S2 and fastened to the coupler 120 may be provided.

As an example, the insertion module 200 reinforces the rigidity of the steel wire 230 and the upper end of the second pile P2 to prevent the nut part 210 from being separated from the second pile (P2). A second reinforcing ring 240 may be further provided.

For example, one end of the steel wire 230 is fastened to the nut part 210 and the other end is fixed to the lower end of the second pile P2, so that the nut part 210 is attached to the second pile P2. It can be prevented from deviating to the upper side.

For example, the second reinforcing ring 240 may be provided with irregularities to maximize fixing power with concrete forming the second pile P2.

For example, the nut part 210, the steel wire 230, and the second reinforcing ring 240 may be disposed in a formwork and integrated by pouring and curing concrete forming the second pile P2.

For example, the bolt part 220 may be screwed to the nut part 210.

Accordingly, the operator may apply an external force to the bolt part 220 to fasten the bolt part 220 to the nut part 210 or separate from the nut part 210.

As an example, the bolt part 220 is disposed on the fastening space of the nut part 210 and is a bolt body 221 screwed to the nut part 210, and extends from the bolt body 221, and the A bolt fastening part 222 fastened to the wedge part 123 and a bolt head part 223 extending from the bolt fastening part 222 and having a shape of an upper narrow light may be provided.

For example, the bolt body 221 may have a relatively larger diameter than the bolt fastening part 222 and the bolt head 223.

For example, the bolt head portion 223 may have a relatively smaller diameter than the bolt extension portion.

For example, the bolt head 223 may have a rounded outer shape to be easily inserted into the insertion space S2.

Hereinafter, with reference to FIG. 4, it will be described in more detail that the insertion module 200 is fastened to the connection module 100.

As an example, the operator may allow the bolt part 220 to be inserted into the insertion space S2 to be fastened to the wedge part 123.

In this case, the coupler 120 may be moved in position by an external force so as to correspond to the center line of the bolt part 220 on the connection space S1.

That is, even if the center line of the cover part 100 and the bolt part 220 do not coincide during the manufacturing process of the first pile P1, the coupler 120 is positioned in the lateral direction on the connection space S1. In that it can be moved, the operator can easily insert the bolt part 220 into the coupler 120.

For example, the coupler 120 may be moved in a left-right direction by an external force on the connection space S1, or may be moved in a vertical direction.

Here, as an example, when the bolt part 220 is inserted into the insertion space S2, the bolt part ( 220 may be fastened with the wedge part 123.

The connection module 100 is disposed on the connection space S1 to receive an external force from the coupler 120 and transmit it to the cover unit 100, further comprising a buffer unit 130 for buffering the external force. I can.

For example, the buffer unit 130 may be made of an elastic material such as a rubber pad, and may be disposed between the cover unit 100 and the coupler 120.

As an example, the buffer unit 130 receives an external force from the coupler 120 and transmits it to the cover unit 100, and at the same time, when no external force is transmitted to the coupler 120, the coupler 120 It is possible to prevent oscillation on the connection space S1.

In addition, as an example, the file connection device 10 using the coupler is disposed between the first file P1 and the second file P2 to provide the first file P1 and the second file P2. It may further include a buffer pad 300 to prevent damage due to the collision of.

As described above, the file connection device 10 using a coupler according to an embodiment of the present invention is a one-time operation of inserting the bolt part 220 into the insertion space S2 without a separate welding operation in the field. There is an advantage of being able to easily connect the first file P1 and the second file P2 through the method.

Meanwhile, the pile construction method according to another embodiment of the present invention may be a construction method of constructing a pile in a perforated hole using the pile connection device 10 using the coupler.

In one example, the pile construction method includes a perforation hole construction step of forming a perforation hole in the ground; The first file P1 and the second file P2 are connected by fastening the insertion module 200 disposed in the second file P2 to the connection module 100 integrated with the first file P1. A file linking step of linking); And a pile construction step of constructing the first pile P1 and the second pile P2 on the perforated hole.

In the above, the configuration and features of the present invention have been described based on the embodiments according to the present invention, but the present invention is not limited thereto, and it is understood that various changes or modifications can be made within the spirit and scope of the present invention. It will be apparent to those skilled in the art, and therefore, such changes or modifications are found to belong to the appended claims.

100: connection module
200: insertion module
300: buffer pad

Claims (6)

In the file connection device using a coupler that connects between a first file and a second file,
A connection module disposed in the first file and forming a connection space; And
Includes; an insertion module disposed in the second file, inserted into the connection space, and connected to the connection module,
The connection module,
A cover part that forms the connection space and is integrated with the concrete of the first pile,
A coupler disposed on the connection space, forming an insertion space into which the insertion module is inserted, and fastened with the insertion module; and
A fastening plate disposed at an end of the first pile to prevent the coupler from being separated from the connection space,
The insertion module,
A nut part that is integrated with the concrete of the second pile and forms a fastening space, and
A bolt part inserted into the fastening space and fastened to the nut part and inserted into the insertion space to be fastened with the coupler,
The coupler,
When the bolt part is inserted into the insertion space, the position is moved by an external force on the connection space so as to correspond to the center line of the bolt part,
The coupler,
A body portion forming the insertion space,
A wedge portion fastened with the bolt portion,
An elastic portion applying an elastic force to the wedge portion, and
Having a cover portion preventing the elastic portion from being separated from the insertion space
File connection device using a coupler.
delete delete delete The method of claim 1,
The connection module,
It is disposed on the connection space and receives an external force from the coupler and transmits it to the cover portion, further comprising a buffer portion for buffering the external force,
File connection device using a coupler.
In the pile construction method of constructing the pile on the ground by implementing the connection between the first pile and the second pile,
A perforation hole construction step of forming a perforation hole in the ground;
A file connection step of connecting the first file and the second file by fastening the insertion module of claim 1 arranged in the second file to the connection module of claim 1 integrated with the first file; And
Including; a pile construction step of constructing the first pile and the second pile on the perforated hole
Pile construction method using coupler.

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