KR20110014363A - Free bolt tie for construction work - Google Patents

Free bolt tie for construction work Download PDF

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Publication number
KR20110014363A
KR20110014363A KR1020090071990A KR20090071990A KR20110014363A KR 20110014363 A KR20110014363 A KR 20110014363A KR 1020090071990 A KR1020090071990 A KR 1020090071990A KR 20090071990 A KR20090071990 A KR 20090071990A KR 20110014363 A KR20110014363 A KR 20110014363A
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KR
South Korea
Prior art keywords
tie
bolt
flat
male
construction
Prior art date
Application number
KR1020090071990A
Other languages
Korean (ko)
Inventor
최은수
Original Assignee
최은수
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 최은수 filed Critical 최은수
Priority to KR1020090071990A priority Critical patent/KR20110014363A/en
Publication of KR20110014363A publication Critical patent/KR20110014363A/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
    • E04G17/0651—One-piece elements
    • E04G17/0654—One-piece elements remaining completely or partially embedded in the cast material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/07—Tying means, the tensional elements of which are fastened or tensioned by means of wedge-shaped members
    • E04G17/0707—One-piece elements
    • E04G17/0721—One-piece elements remaining completely or partially embedded in the cast material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/075—Tying means, the tensional elements of which are fastened or tensioned by other means
    • E04G17/0751—One-piece elements
    • E04G17/0754—One-piece elements remaining completely or partially embedded in the cast material

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The present invention relates to a free bolt tie for construction work, the other side of the fixed portion is connected to the male flat tie formed with a bolt portion formed on the outer peripheral surface; And a female flat tie formed with a nut tube formed on an inner circumferential surface of the male flat thread so as to be screwed to the bolt portion of the male flat tie. By adjusting the length by the forward and reverse rotation of the arm flat ties, the pipe is screwed, it is possible to immediately respond in the field of fixing the formwork for forming the frame of the concrete structure there is no delay of construction, Made of only one type, the production cost is reduced, and after use, the free bolt tie can be applied to any construction site.

Description

FREE BOLT TIE FOR CONSTRUCTION WORK}

The present invention relates to a pre-bolt tie for construction workers, and in detail, the length of the bolt tie for fixing between the formwork used as a frame for forming the reinforcement or H-beam concrete structure or between the formwork and the H-beam freely adjusted It's about bolt tie.

In general, a reinforcement or H-beam concrete structure such as a column is formed in the form 70 after wrapping the outer wall of the reinforcement or H-beam concrete structure to be formed into a frame 70, as shown in Figure 7a and 7b By placing and curing concrete in the empty space formed by the frame to complete the reinforcement or H-beam concrete structure such as a pillar, the formwork 70 surrounding the outer wall of the reinforcement or H-beam concrete structure to be formed is the formwork 70 In order to maintain the frame formed by the) is fixed by connecting between the formwork (70) and the formwork 70 facing each other close to each other with a bolt tie (100).

However, since the bolt tie 100 fixing the formwork 70 to maintain the frame is usually supplied after being limited to a length of 500 mm, 600 mm, etc. by a predetermined standard, for example, as shown in FIG. 8. In the case of a structure such as a reinforcing bar or H beam concrete column or a reinforcing bar or H beam concrete column having different sizes from the lower part to the upper part, a formwork forming a frame for forming the reinforcing bar or H beam concrete structure 70 Of course, the length of the bolt tie (100) to fix between also be different depending on the height or thickness of the reinforcement or H-beam concrete column, but the conventional bolt tie (100) whose length is limited by a certain standard can not match this one by one The bolt tie can be customized separately to match its length.

Therefore, if a large number of bolt ties of a certain length are manufactured according to the site conditions, the cost increases due to the delay of construction and the additional expenditure of the custom-made costs, and the recycling of the customized bolt ties is made. There is a problem with the back.

In addition, the conventional bolt tie is usually composed of a complex configuration, such as the bolt body and the spacing, Sepha bolt and cone nut, and the shape is also complicated, the production cost is not formidable, various conventional bolt tie proposed to improve this The composition and structure do not escape.

The present invention has been made to improve the above-mentioned problems, the object is a simple structure in which the male flat ties such as bolts and female flat ties such as nut pipes are screwed together, the male flat ties and screwed The arm flat ties move from side to side on the male flat ties by the forward and reverse rotation of the arm flat ties so that the overall length is freely changed, thereby forming a frame for the thickness of the concrete structure of any shape having various dimensions. Another object of the present invention is to provide a pre-bolt tie for a construction engineer who can fix the mold between the mold or the H beam according to the changed length between the mold and the H beam.

In order to achieve the above object, the construction worker's free bolt tie of the present invention includes: a male flat tie formed with a bolt formed on the outer circumferential surface of one side of the fixing part; And a female flat tie formed with a nut tube formed on an inner circumferential surface of the male flat thread so as to be screwed to the bolt portion of the male flat tie. It is characterized in that the length is adjusted by the forward and reverse rotation of the arm flat tie screwed tube.

In addition, the fixing portion of the male flat tie is formed with a first pin hole is inserted into the end of the wedge pin and the second cutting grooves facing each other for cutting side by side, the fixing portion of the female flat tie is flat iron end It is preferable that the second pinhole into which the wedge pin is inserted into the portion and the second cutting groove facing each other for cutting are formed side by side.

In addition, the fixing portion of the male flat tie is made of flat iron, and the third pin hole in which the wedge pin is inserted at the end and the third cutting grooves facing each other for cutting are formed side by side, the female flat tie is the be-shaped A-shaped bent portion It is desirable to form a female flat tie.

According to the construction of the pre-bolt tie of the present invention, the length is freely adjusted so that by using the pre-bolt tie according to the length according to the distance between the formwork for forming the reinforcement or H-beam concrete structure or the distance between the formwork and the H-beam In addition, there is no delay in construction due to immediate response at the site, and the production cost is reduced by only one form, and the free bolt tie after use can be recycled and used at any construction site.

In addition, the simple structure of the male flat tie and female flat tie and a simple structure that is only screwed together, there is an effect that is easy to manufacture and easy to use.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of a construction bolt for construction work in accordance with the present invention will be described in detail. The present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, only this embodiment to complete the disclosure of the present invention and to those skilled in the art to fully understand the scope of the invention It is provided to inform you.

1 is a perspective view of a combination of construction bolts for construction work in accordance with an embodiment of the present invention, Figure 2 is a longitudinal cross-sectional view of FIG.

As shown in Figure 1 and 2, the construction work pre-bolt tie according to an embodiment of the present invention is a pre-bolt tie used in reinforced concrete structure consists of a male flat tie (1) and an arm flat tie (2) .

One side of the male flat tie (1) is made of flat iron is inserted into the wedge pin (9) of Figure 5 at the end is formed a first pin hole (30) is fixed to the formwork and a predetermined distance from the first pin hole (30) The first cutting grooves 40 of the V-shape facing each other away from each other is formed as a fixed portion (1a) is formed, the other side connected to the fixed portion (1a) is formed with a male thread (5) on the outer circumferential surface It is formed of the bolt portion 1b.

One side of the female flat tie (2) is made of flat iron is inserted into the wedge pin (9) of Figure 5 at the end is formed a second pin hole 31 for fixing to the formwork and a predetermined distance from the second pin hole (31) The second cutting grooves 41 having a V shape facing each other apart from each other are formed as a fixed part 2a, and the other end connected to the fixed part 2a has a female thread 6 formed on the inner circumference. It is formed of a nut pipe (2b) is screwed with the bolt portion (1b) of the male flat tie (1).

Accordingly, when the female flat tie 2 screwed by the bolt portion 1b of the male flat tie 1 and the nut pipe 2b is rotated in the forward direction on the bolt portion 1b of the male flat tie 1, As the female flat tie 2 moves forward, the overall length of the pre-bolt tie according to the embodiment of the present invention is reduced, and the female flat tie 2 is bolted to the male flat tie 1. When rotating in the reverse direction on the), the arm flat ties 2 retreat backwards, thereby increasing the overall length of the free bolt tie according to the embodiment of the present invention.

3 is a perspective view of the combination of construction bolts for construction work in accordance with another embodiment of the present invention, Figure 4 shows a longitudinal cross-sectional view of FIG.

As shown in Figure 3 and 4, the construction work pre-bolt tie according to another embodiment of the present invention is a pre-bolt tie used in the H-beam concrete structure 10 and flat arm-type arm flat tie (20) )

One side of the male flat tie 10 is made of flat iron, and a third pin hole 32 is formed to insert and fix the wedge pin 9 of FIG. 6 at an end thereof, and is spaced apart from the third pin hole 32 by a predetermined distance. It is formed of a fixing portion (10a) is formed with each of the V-shaped third cutting grooves 42 facing each other, the other side that is connected to the fixing portion (10a) bolt portion that is formed with a male thread (5) on the outer circumferential surface It is formed of 10b.

One side of the L-shaped arm flat tie 20 is formed of a fixed part 20a that is bent into an A-shape made of a round bar, and the other end connected to the fixed part 20a has an internal thread 6 on the inner circumference. It is formed of a nut pipe (20b) is formed is screwed to the bolt portion (10b) of the male flat tie (10).

Accordingly, the L-shaped female flat tie 20 screwed by the bolt portion 10b of the male flat tie 10 and the nut pipe 20b is mounted on the bolt portion 10b of the male flat tie 10 in the forward direction. When rotated, the L-shaped arm flat tie 20 is moved forward and the overall length of the pre-bolt tie according to another embodiment of the present invention is reduced, conversely, the L-shaped female flat tie 20 to the male flat tie 10 Rotation in the reverse direction on the bolt portion (10b) of the), the L-shaped arm flat tie 20 is retracted to the rear to increase the overall length of the pre-bolt tie according to another embodiment of the present invention.

Figure 5 shows a longitudinal cross-sectional view of the installation state of the construction for free bolt tie in accordance with an embodiment of the present invention.

As shown in Figure 5, after forming a frame with formwork (7) in the reinforcement (not shown) in the reinforcement to form a reinforced concrete structure such as a pillar to be formed by pouring concrete, the reinforced concrete structure of the As described above, according to the height or the thickness to adjust the length of the pre-bolt tie (100a) according to an embodiment of the present invention to fix the form (7).

That is, each of the pre-bolt tie (100a) is adjusted to match the length between the formwork (7) (7a) forming a frame and facing each other in the horizontal and vertical directions, respectively, the pre-bolt tie (100a) After passing the fixing portion (1a) of the male flat tie (1) and the fixing portion (2a) of the female flat tie (2) between the edges of the formwork (7) (7a) in close contact with each other, the fixing portion ( The through grooves 8 formed on the edges of the formwork 7 and 7a which are in close contact with the first pinhole 30 and the second pinhole 31 respectively formed in the first and second pinholes 1a and 2a coincide with each other, and then The wedge pins 9 are inserted through the through holes 8 of the first pin hole 30 and the formwork 7 and the through holes 8 of the second pin hole 31 and the form 7a, respectively. By fixing the formwork 7 and the formwork 7 and 7a facing each other up and down.

As such, when the fixing of the formwork (7) (7a) is completed, the concrete is poured into the mold formed by the formwork (7) (7a) and cured, and then the formwork (7) (7a) is dismantled to complete the reinforced concrete structure. do.

At this time, the V-shaped first cutting grooves 40 and the second cutting grooves 41 formed in the fixing portions 1a and 2a of the male flat tie 1 and the female flat tie 2 are in close contact with each other. By being in close contact with the inner surface between the formwork (7) (7a), the first cutting groove (40) and the second to the outer wall surface of the concrete structure formed after dismantling the formwork (7) (7a) Each of the cutting grooves 41 is exposed to thereby easily cut the fixing parts 1a and 2a exposed to the outside of the concrete structure.

Figure 6 illustrates a longitudinal cross-sectional view of the installation state of the construction bolt for construction according to another embodiment of the present invention.

As shown in Figure 6, after forming a frame with the formwork 7 in all directions of the H-beam 11 located in the center to form the H-beam concrete structure, such as a pillar to be formed by pouring concrete, the reinforced concrete According to the different length according to the height or thickness of the structure to adjust the length of the pre-bolt tie (100b) according to another embodiment of the present invention as described above and fix the form (7).

That is, the pre-bolt tie (100a) is adjusted to match the length between the formwork (7) (7a) and the H-beam (11) facing each other and forming the frame in each direction, respectively However, after passing the fixing portion 10a of the male flat tie 10 of the free bolt tie 100b between the edges of the formwork 7 in close contact with each other, the third pinhole formed in the fixing portion 10a. The through grooves 8 formed on the edges of the formwork 7, which are in close contact with each other up and down 32, coincide with each other, and then the through holes 8 of the third pinhole 32 and the formwork 7 which coincide with each other. By inserting the wedge pins 9 through each, and welding the bent fixing portion 20a of the L-shaped arm flat tie 20 of the pre-bolt tie 100b against the outer surface of the H beam 11 by The formwork 7 which is in close contact with the top and bottom is fixed to the H beam 11.

As such, when the fixing of the formwork (7) (7a) is completed, the concrete is poured into the mold formed by the formwork (7) (7a) and cured, and then the formwork (7) (7a) is dismantled to complete the H beam concrete structure. Done.

At this time, the V-shaped third cutting groove 42 formed in the fixing portion (1a) of the male flat tie 10 to be in close contact with the inner surface between the mold (7) (7a) to be in close contact with the above The third cutting grooves 42 are respectively exposed to the outer wall surface of the H beam concrete structure formed after dismantling the formwork 7 and 7a, thereby fixing the fixing part 10a exposed to the outside of the H beam concrete structure. Make it easy to cut.

Since the pre-bolt tie (100a) (100b) is a consumable material, it is preferable to use general low-cost iron as the material, and accordingly, properties such as tensile strength should be equivalent to that of ordinary iron. The changing length is made between about 15 and 90 cm and is between about 5 and 30 cm so that the entire length is changed within the range.

As described above with reference to the drawings illustrated for the construction work free bolt tie according to the present invention, the present invention is not limited by the embodiments and drawings disclosed herein, but within the scope of the technical idea of the present invention Of course, various modifications can be made by those skilled in the art.

1 is a perspective view of a combination of construction bolts for free construction in accordance with an embodiment of the present invention

2 is a longitudinal cross-sectional view of FIG.

Figure 3 is a perspective view of the combination of construction bolts freebol tie according to another embodiment of the present invention

4 is a longitudinal cross-sectional view of FIG.

Figure 5 is a longitudinal sectional view and an enlarged view of the main part of the installation state of the construction bolt for construction work according to an embodiment of the present invention

Figure 6 is a longitudinal cross-sectional view and the main portion enlarged view of the installation state of the construction bolt for construction work according to another embodiment of the present invention

Figure 7a is a longitudinal cross-sectional view of the installation state of the conventional bolt tie used for fixing the formwork for forming a concrete pillar

FIG. 7B is a cross-sectional view of FIG. 7A

Figure 8 is a longitudinal cross-sectional view of the installation state of the conventional bolt tie used for fixing the formwork for forming a concrete pillar of another type

<Explanation of symbols for the main parts of the drawings>

1,10: Suflattie 2,20: Armflattie

1a, 10a: fixing part of male flat tie 2a, 20a: fixing part of female flat tie

1b, 10b: Bolt part 2b, 20b: Nut pipe

5: Male thread 6: Female thread

7,7a: formwork 8: through hole

9: wedge fin 11: H beam

30: first pinhole 31: second pinhole

32: third pin hole 40: first cutting groove

41: second cutting groove 42: third cutting groove

100a, 100b: Freebolt tie

Claims (3)

One side of the fixing portion and the other side is a male flat tie formed with a bolt portion formed on the outer circumferential surface of the male thread; And One side of the fixing portion and the other side of the female flat tie is formed with a nut tube formed on the inner circumferential surface of the female screw thread to be screwed to the bolt portion of the male flat tie; Consist of The bolt construction of the male flat tie bolts for construction construction, characterized in that the length is adjusted by the forward and reverse rotation of the female flat tie screwed. The method of claim 1, The fixing part of the male flat tie is made of flat iron, and the first pin hole into which the wedge pin is inserted and the second cutting groove facing each other for cutting are formed side by side. The fixing part of the female flat tie is a flat iron, the second bolt hole is inserted into the end of the free bolt tie for construction workers, characterized in that the second cutting grooves are formed side by side to face each other for cutting. The method of claim 1, The fixing part of the male flat tie is made of flat iron, and a third pin hole into which a wedge pin is inserted at an end thereof and a third cutting groove facing each other for cutting are formed side by side. The female flat tie is a pre-bolt tie for construction workers, characterized in that the fixing portion is formed to be bent to the L-shaped arm flat tie.
KR1020090071990A 2009-08-05 2009-08-05 Free bolt tie for construction work KR20110014363A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090071990A KR20110014363A (en) 2009-08-05 2009-08-05 Free bolt tie for construction work

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090071990A KR20110014363A (en) 2009-08-05 2009-08-05 Free bolt tie for construction work

Publications (1)

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KR20110014363A true KR20110014363A (en) 2011-02-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102173904B1 (en) 2020-05-25 2020-11-04 대호공구산업 주식회사 Support for Maintaining the Spacing of Formwork
CN113027127A (en) * 2021-03-15 2021-06-25 山东方圆建筑材料有限公司 Sleeve-free split screw and building template reinforcing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102173904B1 (en) 2020-05-25 2020-11-04 대호공구산업 주식회사 Support for Maintaining the Spacing of Formwork
CN113027127A (en) * 2021-03-15 2021-06-25 山东方圆建筑材料有限公司 Sleeve-free split screw and building template reinforcing method

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