KR20130051360A - Anchor bolt fixing apparatus - Google Patents

Abstract

PURPOSE: An anchor bolt fixing device is provided to promptly and safely fix an anchor bolt to a concrete structure by using hammering movement of a hammer drill. CONSTITUTION: An anchor bolt fixing device(100) comprises a body(110), a rod(120), a hammering ring(130), and a stopper(140). The body comprises a mounting groove in the lower part in order to be inserted into the drill unit of a hammer drill. The rod is extended to the upper center of the body. The diameter of the rod is determined to be insertable into a pipe. The tip end of the rod is equipped with a screw part. The hammering ring is rotatably inserted into the rod. The length of the hammering ring is formed to be shorter than the rod. The stopper comprises a screw part for joining to the screw part of the rod.

Description

Anchor bolt fixing apparatus

The present invention relates to an anchor bolt fixing device, and more particularly to an anchor bolt fixing device that can quickly and easily fix the anchor bolt to the concrete structure using the hammering motion of the hammer drill.

In general, anchor bolt refers to a fixing bolt for drilling a hole in a wall or ceiling concrete structure with a hammer drill, inserting and fixing in the hole, and fixing the fixture to be fixed by fastening the bolt or nut.

Types of anchor bolts include strong anchors widely used in construction and electricity, frame anchors used for windows and door frames, sleeve anchors used for concrete and reinforced bricks, concrete, etc. Simple, fast and economical all anchors used in the construction of attachments, set anchors where bolts and pipes are screwed together, and chemical anchors that can be applied underwater with a waterproof effect. have.

The above-mentioned hammer drill used for drilling holes in the wall or ceiling concrete structure, the piston is linearly reciprocated by the rotation of the crankshaft interlocked with the drive means provided on one side of the body, the air pressure generated by the cylinder and the piston It is configured to strike the bit by means of hammer operation and rotary drill operation.

1 is an exploded perspective view showing a general anchor bolt, Figure 2 is a longitudinal cross-sectional view for explaining the fixing structure of the anchor bolt.

1 and 2, the anchor bolt 10 is a wedge 11, a pipe (sleeve) which is located outside the wedge 11 and formed with an incision (extension) 12a at the bottom ( 12).

Conventionally, the anchor bolt 10 is inserted into the hole H of the concrete structure A, and the edge of the pipe 12 exposed to the outside of the concrete structure A is hit with a hammer 30 to remove the pipe 12. As the cutout 12a is expanded (opened), the anchor bolt 10 is fixed to the concrete structure A.

3 and 4 are longitudinal cross-sectional views showing another anchor bolt (Publication No. 10-2011-0029957).

The anchor bolt 20 shown in FIGS. 3 and 4 has a sleeve 21 provided with a female threaded portion 21a at an inner circumferential front surface thereof, and an extension formed at the bottom of the sleeve 21 and having an incision 22a. It consists of a sleeve 22 and a wedge 23 for extending the lower end of the expansion sleeve 22.

The threaded bolt 24 having the male threaded portion 24a formed on the outer circumferential surface of the threaded portion 21a to be coupled to the female threaded portion 21a is configured to be fastened in the sleeve 21, and the nut (22a) of the male threaded portion 22a of the threaded bolt 24 is formed. 25) is configured to be fastened.

In the related art, in order to fix the anchor bolt 20, the tool D is applied to the upper portion of the wedge 23 to strike the upper end of the expansion sleeve 22.

However, the structure for fixing the anchor bolt using a tool and a hammer as in the prior art should be provided with an additional tool and a hammer, the anchor bolt is very difficult and the anchor bolt fixing work is very difficult because the incision of the pipe or the expansion sleeve does not open well, Anchor bolt fixing work takes a lot of time, as well as the worker was injured by the hammer.

In particular, when anchor bolt fixing work to the concrete structure of the ceiling anchor bolts are randomly pulled out of the hole due to the weight of the anchor bolt (self-weight), anchor bolt fixing work is more difficult and more time was inevitable.

In addition, it is difficult for workers to tie heavy tools such as hammer drills, tools (D), and hammers, and to work on ladders. There was a step that did not increase work efficiency because the bolts had to be climbed back to the ladder with bolts and fixed to the ceiling.

In order to solve this problem, a method of easily fixing an anchor bolt using a hammering motion of a hammer drill has recently been proposed.

The anchor bolt fixture disclosed in Utility Model Registration No. 20-2001-0019336 is a hammer drill that is bound to a hammer drill of a rotary hole and drills a hole in a cement wall or bottom surface by the rotational and impact force of the hammer drill, and the hammer An inner diameter of a predetermined depth is formed from the hitting part so that the drill can be inserted, and the wall hole is caused by the hitting force of the hammer drill machine transmitted through a circular jaw integrally formed on the front surface of the fixing part (drill part) of the hammer drill. In the anchor bolt fixture consisting of an anchor bolt striking jig for fixing the anchor bolt to the clamp, wherein the integrally formed hammer drill and the circular jaw is separated to add a certain length of spiral to the front surface of the fixing part (drill part) of the hammer drill And a female spiral hole is formed at the center of the circular jaw to be coupled to each other, and the anchor bolt Remote jig has a through hole of a predetermined diameter are formed can be inserted into the threaded rod of the anchor bolt set to blow from the front end of the jig.

However, the conventional anchor bolt fixture has a certain length of the male helix on the front of the fixing part of the hammer drill, and the circular jaw must be manually fixed to the male helix, so that the overall structure is complicated and the manufacturing cost increases, and the circular jaw is fixed. The work is very inconvenient.

In addition, the conventional anchor bolt fixture has a problem that the anchor bolt fixture is easily worn or broken due to the rotational friction with the anchor bolt because the impact jig and the circular jaw also rotates by the rotation of the fixing portion of the hammer drill.

The present invention is to solve the above-mentioned problems, after drilling the hole in the concrete structure with a hammer drill anchor bolt fixing device mounted on the drill portion of the hammer drill by using the hammer movement of the hammer drill to the concrete structure Since it can be fixed, the operation proceeds continuously without interruption, the anchor bolt fixing operation is to provide a very fast and easy anchor bolt fixing device.

In order to achieve the above object, the anchor bolt fixing device according to the present invention drills a hole in the concrete structure with a hammer drill to fix the anchor bolt consisting of bolts and pipes to the concrete structure and inserts the bolt and the pipe into the hole. Then, in the anchor bolt fixing device for fixing the anchor bolt to the concrete structure by hitting the pipe to expand the cutout of the pipe, the mounting groove is formed in the lower portion to be fitted to the drill portion of the hammer drill A body; A rod extending to an upper surface center of the body, having a diameter for insertion into the pipe, and having a screw portion formed at an end thereof; A hit ring rotatably inserted in the rod, the hit ring having a length shorter than that of the rod to strike the edge of the pipe exposed to the outside of the concrete structure; And a stopper fixed to the rod end to prevent the striking ring from being arbitrarily removed from the rod.

By fixing the anchor bolt to the concrete structure by hitting the edge of the pipe exposed to the outside of the concrete structure by the hammer and the rotation of the hammer drill, the impact ring is maintained at a constant distance from the rod It does not rotate.

The rod may be any one of a structure integrally formed with the body or a structure fastened by a screw part.

The stopper is detachably fixed to the rod by a screw portion.

A protector of a soft material may be installed in the mounting groove to prevent breakage of the drill portion of the hammer drill.

The inside of the protector is a structure in which a shape corresponding to the shape of the drill part is formed.

As described above, in the present invention, after drilling a hole in the concrete structure with a hammer drill, the anchor bolt fixing device is mounted on the drill portion (fixed part) of the hammer drill, and the anchor bolt is used to hit the anchor structure using the hammer drill. Since it can be fixed to the anchor bolt fixing work in conjunction with the drilling work is continuously connected very fast and convenient, and the operator can work safely without injury.

1 is an exploded perspective view showing a typical anchor bolt
2 is a view for explaining a fixing structure of a conventional anchor bolt
3 and 4 are views for explaining the fixing structure of another conventional anchor bolt
5 is a perspective view showing the anchor bolt fixing device according to the first embodiment of the present invention
Figure 6 is an exploded perspective view showing an anchor bolt fixing device according to a first embodiment of the present invention
Figure 7 is a longitudinal cross-sectional view showing an anchor bolt fixing device according to a first embodiment of the present invention
8 is a longitudinal cross-sectional view showing a modified example of the coupling structure of the body and the rod in the anchor bolt fixing device according to the first embodiment of the present invention
9 is a view for explaining a protector installed in the mounting groove of the body in the anchor bolt fixing device according to the first embodiment of the present invention
10 is a view showing a state of using the anchor bolt fixing device according to the first embodiment of the present invention
11 is a longitudinal cross-sectional view showing a modified example of the anti-rotation structure and the friction reduction structure of the impact ring in the anchor bolt fixing device according to the first embodiment of the present invention;
12 is a perspective view showing the anchor bolt fixing device according to a second embodiment of the present invention
Figure 13 is an exploded perspective view showing an anchor bolt fixing device according to a second embodiment of the present invention
Figure 14 is a longitudinal sectional view showing the anchor bolt fixing device according to a second embodiment of the present invention
15 is a view showing the use state of the anchor bolt fixing device according to a second embodiment of the present invention
16 is a longitudinal cross-sectional view showing a modified example of the anti-rotation structure and the friction reduction structure of the impact ring in the anchor bolt fixing device according to a second embodiment of the present invention;
17 is a perspective view showing the anchor bolt fixing device according to a third embodiment of the present invention
18 is an exploded perspective view of the anchor bolt fixing device according to the third embodiment of the present invention;
19 is a view showing the use state of the anchor bolt fixing device according to a third embodiment of the present invention
20 is a perspective view showing the anchor bolt fixing device according to a fourth embodiment of the present invention
Figure 21 is an exploded perspective view showing an anchor bolt fixing device according to a fourth embodiment of the present invention
22 is a view showing the use state of the anchor bolt fixing device according to a fourth embodiment of the present invention

Hereinafter, an anchor bolt fixing device according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

First, the anchor bolt 10 shown in Figs. 1 and 2 is composed of a wedge 11 and a pipe (or sleeve) 12, in order to fix the anchor bolt 10 to the concrete structure (A) concrete structure (A) drills a hole (H) with a hammer drill and inserts the wedge (11) and the pipe (12) into the hole (H), and then hits the pipe (12) to cut the pipe (12) The anchor bolt 10 is fixed to the concrete structure A by expanding the portion 12a.

5 to 7, and 10, the anchor bolt fixing device 100 according to the first embodiment of the present invention is mounted on the drill portion 51 of the hammer drill 50 of the hammer drill 50 The anchor bolt 10 can be quickly and easily fixed to the concrete structure A by using the striking motion. The body 110, the rod 120, the striking ring 130, and the stopper 140 can be fixed. Equipped.

The body 110 is formed in a cylindrical shape, the mounting groove 111 is formed in the lower portion so as to be fitted into the drill portion 51 of the hammer drill 50.

The rod 120 extends to an upper surface center of the body 110, has a diameter of an appropriate size to be inserted into the pipe 12, and a screw portion 121 is formed at an end thereof.

In anchor bolting operations, the rod 120 has to be inserted into the pipe 12 and therefore has a diameter smaller than the diameter of the pipe 12.

The rod 120 may be integrally formed with the body 110 (see FIG. 7), or may be detachably coupled to the body 110 by a screw part 122 (see FIG. 8).

The striking ring 130 is rotatably inserted in the rod 120 and the rod 120 to strike the edge of the end of the pipe 12 exposed to the outside of the concrete structure A. Compared with the shorter shape.

The striking ring 130 is configured to maintain a constant distance (G: see FIG. 7) from the rod 120 at all times.

Therefore, when the drill part 51 of the hammer drill 50 rotates during anchor bolt fixing, the body 110 and the rod 120 rotate together with the drill part 51, but the blow ring 130 It does not rotate by the gap G.

The lower surface of the striking ring 130 is preferably subjected to precision processing so as to minimize the friction with the body 110. The lower surface of the strikingly precision striking ring 130 rotates accordingly even if the rod 120 rotates. Is minimized.

The stopper 140 is configured such that the striking ring 130 is not detached from the rod 120 arbitrarily (not falling out), and the screw portion 121 formed at the end of the rod 120 has a stopper 140 of the stopper 140. The screw portion 141 is configured to engage.

As shown in FIG. 9, a protector 150 of a soft material (for example, plastic or rubber) is formed in the mounting groove 111 to prevent damage of the drill part 51 of the hammer drill 50. It may be installed.

It is preferable that a shape corresponding to the shape of the drill part 51 is formed inside the protector 150 so that the drill part 51 of the hammer drill 50 fits snugly.

On the other hand, Figure 11 is an anchor bolt fixing device according to a first embodiment of the present invention, a longitudinal sectional view showing a modified example of the anti-rotation structure and the rotation friction reduction structure of the striking ring.

Referring to FIG. 11, in a modification of the anti-rotation structure and the rotational friction reduction structure of the striking ring, the rotational friction between the body 110 and the striking ring 130 is reduced, and the striking ring 130 Bearing 160 may be installed on the upper surface of the body 110 to prevent rotation. As the bearing 160 used herein, a thrust bearing used when a load is applied in the axial direction may be used.

As such, when the bearing 160 is installed on the upper surface of the body 110, the friction friction between the body 110 and the striking ring 130 is minimized by the bearing 160, and the striking ring 130 is provided. By preventing the rotation of the), it is possible to smoothly perform the fixing operation of the anchor bolt 10 by the impact movement of the hammer drill (50).

5 to 7, and 10, the operation of the anchor bolt fixing device 100 according to the first embodiment of the present invention configured as described above is as follows.

When the anchor bolt fixing device 100 according to the first embodiment of the present invention is used, the anchor bolt 10 has a structure in which the anchor bolt 10 has a short wedge 11 and a pipe 12 having a relatively long shape. Is used). The structure of this anchor bolt 10 is a strong anchor, for example.

First, the hole H is drilled in the concrete structure A of the wall surface or the ceiling using the hammer drill 50. Then, clean the inside of the hole (H) and insert the anchor bolt (10) into the hole (H).

At the same time, the anchor bolt fixing device 100 is mounted by inserting the drill part 51 of the hammer drill 50 into the mounting groove 111 of the body 110, and then inserting the rod 120 into the pipe 12. Then, the striking ring 130 is in contact with the end edge of the pipe (12).

In this state, when the hammer drill 50 is operated, the body 110 rotates and strikes by the rotary movement and the strike movement of the hammer drill 50, and the strike ring 130 is the pipe 12. Hitting the rim of the edge.

The incision 12a is expanded (opened) by the impact of the pipe 12 so that the anchor bolt 10 is fixed to the concrete structure A.

Here, when the body 110 rotates and strikes, the hitting ring 130 is in vain and does not rotate but only strikes.

Since the rod 120 is integrally formed with the body 110, the rod 120 may rotate and strike, but does not substantially hit the pipe 12 because the rod 120 does not directly contact the wedge 11.

Meanwhile, referring to FIGS. 12 to 15, the anchor bolt fixing device 200 according to the second embodiment of the present invention is mounted on the drill part 51 of the hammer drill 50 to strike the hammer drill 50. By using the anchor bolt 10 can be quickly and easily fixed to the concrete structure (A), and has a body 210, a rod 220, a striking ring 230, and a stopper 240 .

The body 210 has a mounting groove 211 formed at the bottom thereof so as to be fitted into the drill part 51 of the hammer drill 50.

The rod 220 extends to an upper surface center of the body 210, has a diameter of an appropriate size for insertion into the pipe 12, and a threaded portion 221 is formed at an end thereof.

The striking ring 230 is rotatably inserted in the rod 220 by a gap G (see FIG. 14), and ends of the pipe 12 exposed to the outside of the concrete structure A. In order to hit the rim has a longer shape than the rod 120, the locking jaw 231 is formed on the lower inner surface and the insertion hole 232 for inserting the end of the wedge 11 in the upper inner surface Is formed.

In addition, the stopper 240 is configured to be caught by the locking jaw 231 so that the striking ring 230 is not detached from the rod 220 at random. The screw portion 241 of the stopper 240 is configured to engage.

Meanwhile, referring to FIG. 16, in a modified example of the anti-rotation structure and the rotational friction reduction structure of the striking ring, the rotational friction between the body 210 and the striking ring 230 is reduced, and the striking ring 230 Bearing 260 may be installed on the upper surface of the body 210 to prevent the rotation. As the bearing 260 used herein, a trust bearing used when a load is applied in the axial direction may be used.

As such, when the bearing 260 is installed on the upper surface of the body 210, the frictional friction between the body 210 and the striking ring 230 is minimized by the bearing 260, and the striking ring ( By preventing the rotation of the 230, the fixing operation of the anchor bolt 10 by the impact movement of the hammer drill 50 can be performed smoothly.

Referring to Figure 12 to 15 will be described the operation of the anchor bolt fixing device 200 according to the second embodiment of the present invention configured as described above.

In the case of using the anchor bolt fixing device 200 according to the second embodiment of the present invention, the anchor bolt 10 has a structure in which the wedge 11 has a long wedge 11 and the pipe 12 has a relatively short shape. Is used).

First, the hole H is drilled in the concrete structure A of the wall surface or the ceiling using the hammer drill 50. Then, clean the inside of the hole (H) and insert the anchor bolt (10) into the hole (H).

At the same time, the anchor bolt fixing device 200 is mounted by inserting the drill portion 51 of the hammer drill 50 into the mounting groove 211 of the body 210, and then inserting the bolt insertion hole 232 of the striking ring 230. The end of the wedge 11 is inserted and supported at the same time, and the striking ring 230 is in contact with the end of the pipe 12.

In this state, when the hammer drill 50 is operated, the body 210 rotates and strikes by the rotary movement and the strike movement of the hammer drill 50, and the strike ring 230 is the pipe 12. Hitting the rim of the edge.

The incision 12a is expanded (opened) by the impact of the pipe 12 so that the anchor bolt 10 is fixed to the concrete structure A.

Here, when the body 210 rotates and strikes, the hitting ring 230 swings by the interval G (see FIG. 14), so that the hitting movement is not performed.

Since the rod 220 is integrally formed with the body 210, the rod 220 may rotate and strike, but does not substantially hit the pipe 12 because the rod 220 does not directly contact the wedge 11.

Although not shown in the figure, it is preferable that a protector of a soft material (see FIG. 7) is installed in the mounting groove 211 to prevent damage of the drill part 51 of the hammer drill 50.

On the other hand, Figure 17 is a perspective view showing an anchor bolt fixing device according to a third embodiment of the present invention, Figure 18 is an exploded perspective view showing an anchor bolt fixing device according to a third embodiment of the present invention, and Figure 19 is the present invention 3 is a view showing a state of using the anchor bolt fixing device according to the third embodiment of the.

First, as shown in FIGS. 3 and 4, the above-described anchor bolt 20 has a sleeve 21 having a female thread portion 21a formed at an inner circumferential front surface thereof, and is formed to extend at a lower end of the sleeve 21 and to have an incision. It consists of an expansion sleeve 22 having a 22a and a wedge 23 for extending the lower end of the expansion sleeve 22.

3, 4, 17 to 19, the anchor bolt fixing device 300 according to the third embodiment of the present invention is inserted into and fixed in the hole (H) of the concrete structure (A), the computer bolt ( 24 is fastened to the sleeve 22 of the anchor bolt 20 and the nut 25 is fastened to the male threaded portion 24a of the threaded bolt 24 to fix the installation C. use.

Looking at the configuration of the anchor bolt fixing device 300 according to the third embodiment of the present invention, the body in which the mounting groove 111 is formed in the lower portion to be fitted to the drill portion 51 of the hammer drill 50 ( 310); And a rod 320 extending to an upper surface center of the body 310 and inserted into the sleeve 21 to strike the wedge 23.

In order to guide the rod 320, a guide ring 330 may be inserted into an outer circumferential surface of the rod 320. In this case, a stopper 340 is fixed to an end of the rod 320 to guide the rod 320. It is desirable to prevent the departure of 330.

A female screw portion 321 is formed at the end of the rod 320, and a male screw portion 341 is formed at the end of the stopper 340.

In the anchor bolt fixing device 300 according to the third embodiment of the present invention, when the rod 320 integrally formed with the body 310 strikes the wedge 23 during the rotary striking motion of the drill 50, the anchor bolt fixing device 300 expands. The anchor bolt 20 is fixed while the cutout portion 22a of the sleeve 22 is opened.

Thus, after drilling the hole (H) of the concrete structure (A) by mounting the anchor bolt fixing device 300 to the drill portion 51 of the drill 50 by using the impact movement of the drill 50 anchor bolt ( 20) can be fixed easily and quickly.

On the other hand, Figure 20 is a perspective view showing an anchor bolt fixing device according to a fourth embodiment of the present invention, Figure 21 is an exploded perspective view showing an anchor bolt fixing device according to a fourth embodiment of the present invention, and Figure 22 is the present invention Figure 4 shows the anchor bolt fixing device in use according to the fourth embodiment of the present invention.

3 and 4 and with reference to Figures 20 to 22, looking at the configuration of the anchor bolt fixing device 400 according to a fourth embodiment of the present invention, is fitted in the drill portion 51 of the hammer drill 50 A body 410 having a mounting groove 411 formed at a lower portion thereof so as to be mounted, and a rod portion 412 extending at an upper surface center thereof; And a mounting groove 421 is formed at a lower portion of the rod portion 412 so that the rod portion 412 can be inserted therein, and an insertion groove 422 is formed at an upper portion thereof to insert the threaded bolt 24 therein. Strike body 420 is formed on the bottom of the hitting surface 423; consists of. The mounting groove 422 may have a screw groove so that the threaded bolt 24 may be screwed together, or may simply be inserted without the screw groove.

20 to 22, in the anchor bolt fixing device 400 according to the fourth embodiment of the present invention, the impact surface 423 formed on the bottom surface of the middle body of the striking body 420 during the rotary striking motion of the drill 50. ) Presses the wedge 23 by striking the threaded bolt 24, the anchor bolt 20 is fixed while the cutout 22a of the expansion sleeve 22 is opened.

Thus, after drilling the hole (H) of the concrete structure (A) by mounting the anchor bolt fixing device 400 to the drill portion 51 of the drill 50 by using the impact movement of the drill 50 anchor bolt ( 20) can be fixed easily and quickly.

As described above, in the present invention, after drilling a hole in the concrete structure with a hammer drill, the anchor bolt fixing device may be mounted on the drill portion of the hammer drill to fix the anchor bolt to the concrete structure by the hammering motion of the hammer drill. Therefore, anchor bolt fixing work is continuously connected with the drilling work, it is very effective to work quickly and conveniently and safely.

10, 20: anchor bolt
11, 23: wedge
12: pipe (sleeve)
12a: incision
100: anchor bolt fixing device of the first embodiment
110: body
111: mounting groove
120: load
121: screw
122: screw
130: blow ring
140: stopper
141: screw
150: protectors
160: bearing
200: anchor bolt fixing device of the second embodiment
210: body
211: mounting groove
220: load
221: screw
231: hanging jaw
232: insertion hole
240: stopper
241: screw
260: bearing
A: concrete structure
C: Fixture
G: thickness
H: hole
300: anchor bolt fixing device of the third embodiment
310: body
311: mounting groove
320: load
330: guide ring
400: anchor bolt fixing device of the fourth embodiment
410: body
411: mounting groove
420: blow sieve
421: mounting groove
422: insertion groove
423: blow side

Claims (17)

In the anchor bolt fixing device for fixing the anchor bolt consisting of wedges and pipes to the structure,
A body having a mounting groove formed at a lower portion thereof so as to be fitted into the drill portion of the hammer drill;
A rod extending to an upper surface center of the body and having a diameter to be inserted into the pipe; And
And a striking ring inserted into the rod and having a length shorter than that of the rod to strike the edge of the pipe exposed to the outside of the structure. The method of claim 1,
The striking ring anchor bolt fixing device, characterized in that the structure is not rotated by maintaining a predetermined distance from the rod. The method according to claim 1 or 2,
And a stopper fixed to the rod end to prevent the striking ring from being detached from the rod. The method according to claim 1 or 2,
The rod is anchor bolt fixing device, characterized in that any one of a structure that is integrally formed on the body or fastened by a screw portion. The method of claim 3,
The stopper is anchor bolt fixing device, characterized in that detachably fixed to the rod by a screw portion. The method of claim 1,
Anchor bolt fixing device, characterized in that the protector of the soft material is installed in the mounting groove to prevent damage to the drill portion of the hammer drill. The method according to claim 6,
Anchor bolt fixing device, characterized in that the inside of the protector is a structure in which a shape corresponding to the shape of the drill portion is formed. The method of claim 1,
Anchor bolt fixing device, characterized in that the bearing is installed on the upper surface of the body in order to reduce the rotational friction between the body and the hitting ring. In the anchor bolt fixing device for fixing the anchor bolt consisting of wedges and pipes to the structure,
A body having a mounting groove formed at a lower portion thereof so as to be fitted into the drill portion of the hammer drill;
A rod extending to an upper surface center of the body and having a diameter to be inserted into the pipe; And
The rod is inserted into the rod, and has a length longer than that of the rod in order to strike the edge of the pipe exposed to the outside of the structure. A blow ring in which an insertion hole is formed; Anchor bolt fixing device comprising a. 10. The method of claim 9,
The striking ring anchor bolt fixing device, characterized in that the structure is not rotated by maintaining a predetermined distance from the rod. 11. The method according to claim 9 or 10,
And a stopper fixed to the rod end to prevent the striking ring from being detached from the rod. 12. The method of claim 11,
The stopper is anchor bolt fixing device, characterized in that detachably fixed to the rod by a screw portion. 11. The method according to claim 9 or 10,
The rod is anchor bolt fixing device, characterized in that any one of a structure that is integrally formed on the body or fastened by a screw portion. 10. The method of claim 9,
Anchor bolt fixing device, characterized in that the bearing is installed on the upper surface of the body in order to reduce the rotational friction between the body and the hitting ring. A sleeve 21 having a female thread portion 21a formed at an inner circumferential front surface thereof, an extension sleeve 22 formed at an end of the sleeve 21 and having a cutout portion 22a, and a lower end of the expansion sleeve 22. The anchor bolt 20 composed of the wedge 23 for expansion is inserted into and fixed to the hole H of the concrete structure A, the threaded bolt 24 is fastened to the sleeve 22, and the threaded bolt 24 is fixed. In the anchor bolt fixing device for fastening the nut (25) to the male screw portion (24a) of the
A body 310 in which a mounting groove 311 is formed at a lower portion thereof so as to be fitted into the drill portion 51 of the hammer drill 50; And
And a rod (320) extending from the upper center of the body and inserted into the sleeve (21) to strike the wedge (23). 16. The method of claim 15,
An anchor bolt, characterized in that the guide ring 330 is fitted to the outer surface of the rod 320 to guide the rod 320, the stopper 340 is fixed to the end of the rod 320 Fixture. A sleeve 21 having a female thread portion 21a formed at an inner circumferential front surface thereof, an extension sleeve 22 formed at an end of the sleeve 21 and having a cutout portion 22a, and a lower end of the expansion sleeve 22. The anchor bolt 20 composed of the wedge 23 for expansion is inserted into and fixed to the hole H of the concrete structure A, the threaded bolt 24 is fastened to the sleeve 22, and the threaded bolt 24 is fixed. In the anchor bolt fixing device for fastening the nut (25) to the male screw portion (24a) of the
A body 410 in which a mounting groove 411 is formed at a lower portion of the hammer drill 50 so as to be inserted into the drill portion 51 of the hammer drill 50, and the rod portion 412 is extended to the upper surface center; And
A mounting groove 421 is formed at a lower portion of the rod 412 so that the rod portion 412 can be inserted therein, and an insertion groove 422 is formed at an upper portion thereof to allow the threaded bolt 24 to be inserted therein. Anchor bolt fixing device comprising; a striking body (420) is formed on the bottom of the striking surface (423).

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