KR20080091612A - Tie-rod clamping apparatus for concrete form - Google Patents

Tie-rod clamping apparatus for concrete form Download PDF

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Publication number
KR20080091612A
KR20080091612A KR1020070034657A KR20070034657A KR20080091612A KR 20080091612 A KR20080091612 A KR 20080091612A KR 1020070034657 A KR1020070034657 A KR 1020070034657A KR 20070034657 A KR20070034657 A KR 20070034657A KR 20080091612 A KR20080091612 A KR 20080091612A
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KR
South Korea
Prior art keywords
tie rod
fixing
formwork
coupled
fixed
Prior art date
Application number
KR1020070034657A
Other languages
Korean (ko)
Inventor
정용화
Original Assignee
정용화
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 정용화 filed Critical 정용화
Priority to KR1020070034657A priority Critical patent/KR20080091612A/en
Publication of KR20080091612A publication Critical patent/KR20080091612A/en

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Classifications

    • 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
    • E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
    • E04G17/0658—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts 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
    • E04G17/0714—One-piece elements fully recoverable

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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 tie rod fixing device for fixing the tie rod for fixing to maintain the spacing of the formwork.

There is a problem in that it is very difficult and inconvenient to fix the tie rod installed between the formwork when constructing the formwork in order to solve the problem, in order to solve this, the base 10 having a screw shaft 11 on one side, The fixing plate 17 which is coupled to the inner side of the base 10 and is formed at the front for penetrating the front end of the tie rod 30 is formed therein and fixing the penetrated tie rod 30 at the inner side of the spring ( A fixed box 12 rotatably coupled to receive an elastic force by 16), a support plate 22 coupled to the screw shaft 11, and a support plate 22 to be screwed and fixed to a horizontal or vertical member A tie rod fixing device for a formwork is provided that includes a support means 20 provided with a hook shaft 25.

Therefore, according to the present invention, the fixing operation of the tie rod is very convenient and easy to shorten the air and reduce the cost, it is possible to reduce the effort, such as to accurately match the length of the tie rod to the wall length.

Description

Tie-rod clamping apparatus for concrete form

1 is a cross-sectional view showing a conventional tie rod fixed state.

Figure 2 is a perspective view showing a tie rod fixing device for form according to the present invention.

Figure 3 is a plan view showing a partial cross section in the formwork tie rod fixing device of the present invention.

Figure 4 is a cross-sectional view showing another example of the support means applied to the formwork tie rod fixing device according to the present invention.

Figure 5 is a perspective view showing one embodiment of a tie rod applied to the present invention.

Figure 6 is a perspective view showing another embodiment of a tie rod applied to the present invention.

Figure 7 is a cross-sectional view showing a state of use of the tie rod fixing device for form according to the present invention.

8 is a partially enlarged cross-sectional view of FIG. 7.

9 is a cross-sectional view showing the construction of the concrete wall by the formwork tie rod fixing device according to the present invention.

<Description of Symbols for Major Parts of Drawings>

10: base 11: screw shaft

12: fixed box 14: through hole

16,27: spring 17: fixed plate

18: fixing hole 20: support means

21: nut 22: support plate

25: hook shaft 25a: hook portion

29: thread 30: tie rod

32: locking groove 35,35a: cutting groove

36,36a: pin insertion portion 40: metal plate

The present invention relates to a tie rod fixing device for formwork, more specifically, a tie rod fixing device for fixing a tie rod installed to fix the formwork is installed at a predetermined interval when constructing concrete walls, etc. It is about.

In general, in order to cure concrete such as a wall having a predetermined thickness, as shown in FIG. 1, formwork (1) (2) is installed on both sides at intervals of the thickness of the concrete wall (W), and the formwork ( 1) (2) is maintained at a constant interval by the tie rod (3) installed across the transverse direction.

The tie rod (3) has an insertion hole (3a) for inserting and fixing the fixing pin (4) from the outside of the formwork (2) on one side, the horizontal and vertical members installed on the outside of the formwork (1) on the other side After penetrating (5) and (6), it is fixed by a wedge-shaped fixing member (7), and a tool inserting portion (3b) into which a tool is inserted is formed at the tip.

And the inside of the formwork (1) is a cone member (3c) of concrete material is coupled to the appropriate position of the tie rod (3) to support the formwork (1) from the inside.

Therefore, the tie rods 3 are installed in the transverse direction in the formwork (1) (2), which are vertically set to face each other at predetermined intervals, and the tie rods (3) are supported to support the formwork (1). In the state in which the cone member 3c is coupled, a fixing pin 4 is inserted into the insertion hole 3a formed at one end of the tie rod 3, and on the opposite side, the tool inserting portion 3b is a horizontal and vertical member. After passing through (5) (6), the dies (1) (2) are fixed at regular intervals by being fixed by the wedge-shaped fixing member (7).

At this time, the mixed concrete is put into both the molds (1) and (2), and if cured after a certain time, the molds (1) and (2) are dismantled and then rotated by inserting the tool into the tool insertion part (3b). By cutting a part of (3), that is, a part of the tie rod 3 to which the cone member 3c is coupled, the concrete wall W is completed.

However, such a conventional technique is very difficult to precisely position the formwork and the cone member when installing the tie rod during installation, and if the position is not correct according to the wall thickness when installing the cone member, the material cost is increased. Problems such as air delay and air delay were inherent.

In addition, when the nut is coupled to both ends as a means for fixing the tie rod, the cost is increased by the time required for the installation and dismantling of the formwork, and problems such as the nut is relaxed by vibration or other external pressure are inherent. .

The present invention has been invented to solve the problems of the prior art as described above, the object of the present invention is to make the combination of formwork and tie rods very convenient and easy to shorten the air and reduce the cost, It is an object of the present invention to provide a tie rod fixing device for formwork that can be easily manufactured according to the wall thickness.

Forming tie rod fixing device according to the present invention for achieving the object as described above, the base having a screw shaft on one side, and a through hole for penetrating the front end of the tie rod is coupled to the inner side of the base is formed in the front And a fixing box rotatably coupled to the inner side to fix the penetrated tie rod so as to receive elastic force by a spring, a support plate coupled to the screw shaft, and a hook coupled to the support plate and fixed to a horizontal or vertical member. A formwork tie rod fixing device is provided that includes a support means provided with a shaft.

Therefore, according to the present invention, the fixing operation of the tie rod is very convenient and easy to shorten the air and reduce the cost, it is possible to reduce the effort, such as to accurately match the length of the tie rod to the wall length.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view showing a formwork tie rod fixing device according to the present invention, Figure 3 is a partial cross-sectional view of the formwork tie rod fixing device according to the present invention.

The tie rod fixing device according to the present invention is installed on one side of the formwork provided at predetermined intervals, and is preferably installed on a horizontal or vertical member installed on the outside of the formwork.

In the tie rod fixing device according to the present invention, the screw shaft 11 extends on one side of the base 10, and the fixing box 12 is coupled to the pin 13 on the inside thereof.

The fixing box 12 has a through hole 14 formed to penetrate the tip of the tie rod 30 on one side thereof, and a stopper 15 for blocking an entry amount of the penetrated tie rod 30 on the opposite side thereof has a predetermined angle. The rotatable pin is coupled to the pin 13a.

A spring 16 is installed in the pin 13 coupled to the base 10 inside the fixing box 12, and the pin 13 is provided to the through hole 14 by the spring 16. The fixing plate 17 which is always subjected to elastic force is coupled, the fixing plate 17 is formed with a fixing hole 18 to fix the tip of the tie rod 30.

The fixing hole 18 is more preferably formed of a long hole formed in the vertical direction.

In addition, the fixing plate 17 is formed with a guide protrusion 19 for guiding the tip of the tie rod 30 passing through the through hole 14 toward the fixing hole 18.

Meanwhile, the screw shaft 11 is provided with support means 20 for supporting the tie rod fixing device.

The support means 20 is a nut 21 is coupled to the screw shaft 11, the support plate 22 is rotatably coupled to the outside of the nut 21, a screw 24 to the nut 21 To prevent the nut 21 from being rotated arbitrarily.

The support means 20 includes a pair of hook shafts 25 penetrated through both sides of the support plate 22, and the hook shafts 25 are hook portions 25a that are hooked to a horizontal or vertical member at a tip end thereof. Is formed, a threaded portion 25b is formed at the other end, and a fixing nut 26 is coupled to the threaded portion 25b.

4 is a cross-sectional view showing another embodiment of the support means 20, the hook shaft 25 is installed on both sides of the support plate 22, the hook portion 25a is formed at the front end, the other end is a spring 27 Is installed, and this spring 27 is supported by fixing nuts 28a and 28b, and the fixing nuts 28a and 28b are coupled to the threaded portions 29 formed on the hook shaft 25. It is possible to adjust the elastic force of the spring 27.

On the other hand Figure 5 and Figure 6 is a perspective view showing a tie rod applied to the formwork tie rod fixing device according to the present invention.

The tie rod 30 in FIG. 5 is provided with a tool inserting portion 31 for inserting a tool at a tip thereof, and at one side thereof, a plurality of catching grooves 32 on a circumferential surface thereof to be fixed in the fixing hole 18. ) Is formed, and the cutting groove 33 is cut at one end at a predetermined interval from the locking groove 32, and so as not to rotate in the cured concrete wall when cutting both ends of the tie rod 30. A bent part 34 is formed, and a cutting groove 35 is cut at the other end at a predetermined interval from the bent part 34, and a pin is inserted into the pin to insert the fixing pin 4 at the end. Part 36 is formed, respectively.

Figure 6 is another embodiment of a tie rod applied to the formwork tie rod fixing apparatus according to the present invention, the metal plate 40 formed with a cutting groove 35a and a pin insertion portion 36a at the rear end of the tie rod 30. ) Is fixed by means such as welding.

Forming tie rod fixing device according to the present invention configured as described above, as shown in Fig. 7 is provided with the formwork (1) (2) at intervals of the thickness to be constructed, and then the tie rod 30 After passing through the formwork (1) (2) it is fixed.

At this time, the device is constructed in a state fixed to the horizontal or vertical member (5) (6), which is the hook shaft in the state that the support plate 22 of the support means 20 is located on the outer surface of the horizontal member (5) Hook portion 25a of 25 is hooked to the horizontal member 5 and the fixing nut 26 is tightened from the outside to maintain the fixed state.

In addition, in the case of applying the hook shaft 25 with the spring 27 installed, the hook shaft 25 is lowered in the direction of the arrow, and the hook portion 25a is inserted into the horizontal member 5 so that the hook shaft 25 is hooked by the elastic force of the spring 927. The shaft 25 is to be fixed in a state in which the horizontal member 5 is tightly wrapped.

The fixing hole 18 formed in the fixing plate 17 in the fixing box 12 after the tip of the tie rod 30 penetrating the formwork 1 and 2 passes through the through hole 14 while the device is fixed. ) And the stopper 15 is contacted so as not to move further.

Subsequently, as shown in FIG. 8, the fixing plate 17 is rotated at a predetermined angle by receiving the elastic force of the spring 16 toward the through hole 14 so that the inner surface of the fixing hole 18 is engaged with the locking groove 32. One end of the tie rod 30 is fixed by being caught, and the other end of the tie rod 30 is fixed by inserting the fixing pin 4 into the pin insertion portion 36.

When the installation of the formwork (1) (2) is completed, the mixed concrete is put into the inside and cured for a predetermined time, and then the formwork (1) (2) is separated, the construction of the wall is completed.

When the concrete in the wall is cured, the fixing nut 26 is operated to separate the device and the fixing pin 4 from the horizontal member 5, and then the molds 1 and 2 are dismantled, as shown in FIG. As described above, when the protruding portions formed on both sides of the wall W are cut using a tool or the like, the construction of the wall W is completed.

In this embodiment, as well as the tie rod 30 formed of a wire, the tie rod 30 to which the metal plate 40 is attached can be applied.

The present invention as described above is not limited to the above-described specific embodiments, and any person having ordinary skill in the art to which the present invention pertains may make various changes without departing from the gist of the present invention as claimed in the claims. will be.

As described above, the formwork tie rod fixing device according to the present invention is very convenient and easy to fix the tie rod, the air is shortened and the cost is reduced, and the trouble of adjusting the length of the tie rod to the wall length accurately, etc. There is an effect to reduce.

Claims (4)

A base 10 having a screw shaft 11 on one side; The fixing plate 17 which is coupled to the inner side of the base 10 and is formed at the front for penetrating the front end of the tie rod 30 is formed therein and fixing the penetrated tie rod 30 at the inner side of the spring ( A fixed box 12 rotatably coupled to receive the elastic force by 16); For formwork including a support plate (22) coupled to the screw shaft (11) and screw-moved and a support shaft (20) provided with a hook shaft (25) coupled to the support plate (22) and fixed to a horizontal or vertical member. Tie rod retainer. The method of claim 1, The tie rod 30 has a plurality of engaging grooves 32 are formed at the front end to be fixed in the fixing hole 18 of the fixing plate 17, and the other end has a cutting groove 35a and a pin insertion portion 36a. Forming tie rod fixing device, characterized in that the metal plate 40 is fixed. The method of claim 1, The hook shaft 25 has a hook portion (25a) is formed on one end and the tie rod fixing device for the die, characterized in that the other end of the fixing nut 26 is coupled. The method of claim 1, The hook shaft 25 is formed with a hook portion 25a at one end, the other end of the formwork tie, characterized in that the spring 27 is installed between the fixing nuts 28a, 28b coupled at a predetermined interval. Rod fixture.
KR1020070034657A 2007-04-09 2007-04-09 Tie-rod clamping apparatus for concrete form KR20080091612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070034657A KR20080091612A (en) 2007-04-09 2007-04-09 Tie-rod clamping apparatus for concrete form

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070034657A KR20080091612A (en) 2007-04-09 2007-04-09 Tie-rod clamping apparatus for concrete form

Publications (1)

Publication Number Publication Date
KR20080091612A true KR20080091612A (en) 2008-10-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070034657A KR20080091612A (en) 2007-04-09 2007-04-09 Tie-rod clamping apparatus for concrete form

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106398041A (en) * 2016-08-31 2017-02-15 夏波 Building template
CN110103175A (en) * 2019-06-17 2019-08-09 广西路桥工程集团有限公司 A kind of T beam-ends mould dismounting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106398041A (en) * 2016-08-31 2017-02-15 夏波 Building template
CN110103175A (en) * 2019-06-17 2019-08-09 广西路桥工程集团有限公司 A kind of T beam-ends mould dismounting device

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