JP6864562B2 - Mismatch correction jig - Google Patents

Description

The present invention relates to a misalignment correction jig for correcting the deviation of the abutting portion between flanges of shaped steel, columns, beams, etc. in a steel frame structure or a reinforcing bar structure to the same height.

In general, a steel structure or a reinforcing bar structure is manufactured in block units, and the blocks are often welded together to complete a large structure. When welding the butt portions of flanges of these structures such as shaped steel, columns, and beams, the positions of the butt portions may be misaligned and misalignment may occur.

The reason for such misalignment is that various factors such as dimensional error during manufacturing, mounting error during mounting, and deformation due to thermal strain of shaped steel or steel plate act in combination. There is.

Conventionally, when correcting such a misalignment of the abutting portion between flanges, for example, one end of a plate having a length straddling both flanges is welded to a lower flange to and the other end of the plate. A wedge is driven into the gap between the raised flange and the raised flange, and the raised flange is forcibly pushed down to correct the misalignment of the butt joints to the same height.

Japanese Patent Application Laid-Open No. 2012-225011 discloses a misalignment correction device for steel columns in a steel structure or a steel concrete structure for adjusting the level for each steel column (see Patent Document 1).

Japanese Unexamined Patent Publication No. 2012-225011

In the case of this conventional example, since the plate is attached to the flange by welding, the labor of welding work is required. Further, after the welding of the butt portion of the flange is completed, it is necessary to take time and effort such as removing the plate by gas draining and finishing it with a grinding machine. In addition to being concerned about the generation of smoke and flames associated with degassing, there are also various problems that there is a concern about noise problems when driving a wedge with a hammer.

Therefore, in the case of the conventional example, the trouble of welding the plate, the trouble of gas cutting and grinding finishing, etc. are eliminated, the smoke and flame generated by the gas cutting, and the noise problem when driving the wedge with a hammer. There is a problem that must be solved in order to solve the problem.

The gist of the present invention for solving the problem of the conventional example is a misalignment correction jig for correcting a misalignment of abutting portions between flanges, and the misalignment correction jig is hooked on one flange. A U-shaped hooking portion to be stopped, a fixing bolt for pressing the lower portion of the one flange to fix the hooking portion hooked on the upper portion of the one flange, and a fixing bolt of the other flange. The push-up bolt for forcibly pushing up the other flange by pressing the lower portion, the fixing bolt is screwed to one end side, and the push-up bolt is screwed to the other end side. A base portion having a required length, two shaft holding plates provided at a distance below the base portion, and a shaft provided across the shaft holding plates and axially passing through a shaft hole of the hooking portion. The hooking portion is composed of a portion, and the hooking portion is movable along the shaft portion, and the hooking position with respect to the one flange can be adjusted.

Further, the base portion is integrally formed with a horizontal plate into which the fixing bolt and the pushing-up bolt are screwed, and a reinforcing plate that hangs vertically from the edge of the horizontal plate.
The hooking portion is provided with a handle for moving along the shaft portion.
Is included.

According to the misalignment correction jig according to the present invention, the fixing bolt below one of the flanges is tightened while the U-shaped hook is hooked on one of the raised flanges. , Fix the hook to one flange, then tighten the lower push-up bolt on the other flange to force the other flange up and both flanges at the same height or position. Can be modified to.
In other words, there is no need to weld the plate to the flange as in the conventional example, there is no need for gas draining or grinding of the plate, and there is no smoke or flame generated by gas draining, and a wedge is used with a hammer. There is no noise problem when driving.
In particular, when the hooking portion is hooked on the flange, the hooking portion can be moved in the left-right direction along the shaft portion as needed, and as a result, the hooking position with respect to one flange can be adjusted. It has an excellent effect of being.

The base is formed by integrally forming a horizontal plate into which fixing bolts and push-up bolts are screwed together and a reinforcing plate that hangs vertically from the edge of the horizontal plate, thereby tightening the push-up bolts. When the lower part of the other flange is pressed, the resistance strength against distortion of the base caused by the reaction force in the direction opposite to the pressing direction (arrow A direction in FIG. 3) and the opposite direction (arrow B direction in FIG. 3) is improved. It has an excellent effect.

Since the hooking portion is provided with a handle for moving along the shaft portion, the hooking portion has an excellent effect that the hooking portion can be easily moved in the left-right direction.

It is a perspective view of the misalignment correction jig 11 which concerns on this invention. It is a perspective view of the misalignment correction jig 11 which concerns on this invention. It is a perspective view which shows the use state of the misalignment correction jig 11. It is a front view of the misalignment correction jig 11 which concerns on this invention. It is a rear view of the misalignment correction jig 11 which concerns on this invention. It is a right side view of the misalignment correction jig 11 which concerns on this invention. It is a left side view of the misalignment correction jig 11 which concerns on this invention. It is a rear view which shows the state which the hooking part 13 moved along the shaft part 20. It is a rear view which shows the state which the hooking part 13 moved along the shaft part 20.

Next, an embodiment of the present invention will be described with reference to the drawings. First, in FIGS. 1 to 7, reference numeral 11 indicates a misalignment correction jig 11, and the misalignment correction jig 11 is a hooking portion 13 that hooks on one of the raised flanges 12 (see FIG. 3). And a fixing bolt 14 for pressing the lower part of the flange 12 to fix the hooking portion 13, and a push for forcibly pushing up the flange 15 by pressing the lower part of the other flange 15 which is lowered. The lifting bolt 16, the base 17 to which the fixing bolt 14 and the pushing bolt 16 are screwed, the two shaft holding plates 18 provided at intervals in the lower portion 17c of the base 17, and the shaft holding plate 18 It is composed of a shaft portion 20 provided across the shafts 20.

The hooking portion 13 is formed to a required thickness and has a U-shaped side view, and has an upper portion 13a projecting to one side, a continuous connecting portion 13b connected below the upper portion 13a, and a continuous connecting portion. A lower portion 13c projecting from 13b to one side is integrally formed (see FIGS. 6 and 7).
A shaft hole 19 is formed in the lower portion 13c of the hooking portion 13, and the shaft portion 20 is axially passed through the shaft hole 19 (see FIGS. 2, 8 and 9). Further, the hook portion 13 is provided with a handle 22 for moving in the left-right direction along the shaft portion 20.

As shown in FIGS. 1, 4 and 5, the fixing bolt 14 is composed of a head portion 14a, a spiral portion 14b, and a fixing portion 14c, and the fixing portion 14c has a flat upper end. The pressed state when the lower portion of the flange 12 is pressed can be stably maintained.

As shown in FIGS. 1, 4 and 5, the push-up bolt 16 is composed of a head portion 16a, a spiral portion 16b, and a push-up portion 16c, and the upper end of the push-up portion 16c is formed to be spherical. Therefore, the pressing force when the lower portion of the flange 15 is pressed is not dispersed, and the flange 15 can be efficiently pushed up.

The base portion 17 is formed to have a required length and thickness, and a horizontal plate 23 positioned horizontally to the flange and a reinforcing plate 24 vertically hanging from the edge of the horizontal plate 23 are integrally formed.
A fixing bolt 14 is screwed to one end 17a side of the horizontal plate 23, and a push-up bolt 16 is screwed to the other end 17b side.
The screwing positions of the fixing bolt 14 and the push-up bolt 16 can be changed as appropriate, and the push-up bolt 16 is screwed to one end 17a side of the horizontal plate 23 and the other end. Of course, the fixing bolt 14 may be screwed on the portion 17b side.

In this way, the base 17 is formed by integrally forming the horizontal plate 23 and the reinforcing plate 24 that hangs vertically from the edge of the horizontal plate 23, so that the push-up bolt 16 is tightened and the other flange 15 is used. When the lower part of the base 17 is pressed, the resistance strength against distortion of the base 17 caused by the reaction force in the direction opposite to the pressing direction (arrow A direction in FIG. 3) and the opposite direction (arrow B direction in FIG. 3) is improved.

The shaft holding plate 18 is formed in a substantially rectangular shape with the corner portion 18a cut out (see FIGS. 6 and 7), and two shaft holding plates 18 are provided at the lower portion 17c of the base portion 17 at a required interval (FIG. 5). reference).

Further, the upper side 18b of the shaft holding plate 18 is joined to the lower portion 17c of the horizontal plate 23 of the base 17 (see FIGS. 6 and 7) and screwed 25 (see FIG. 1), and the shaft holding plate 18 is fastened. The side 18c is joined to the side 24a of the reinforcing plate 24 of the base 17 (see FIGS. 6 and 7) and fastened with screws 26 (see FIG. 1).

In this way, the upper side 18b of the shaft holding plate 18 is joined to the lower 17c of the horizontal plate 23 and fastened with the screw 25, and the side 18c of the shaft holding plate 18 is joined to the side 24a of the reinforcing plate 24. Due to the configuration in which the screw 26 is fastened, when the push-up bolt 16 is tightened to press the lower portion of the other flange 15, the direction opposite to this pressing direction (arrow A in FIG. 3) (arrow in FIG. 3). The resistance to the strain of the base 17 caused by the reaction force in the B direction) was further improved.
That is, the existence of the base portion 17 in which the horizontal plate 23 and the reinforcing plate 24 intersect at right angles, and the shaft holding plate 18 which is connected to the lower portion 17c of the horizontal plate 23 and the side portion 24a of the reinforcing plate 24 and is firmly joined. Combined with the existence, the resistance strength to the strain of the base 17 was dramatically improved.

The shaft portion 20 is provided across the shaft holding plates 18 (see FIG. 5). Further, the shaft portion 20 is axially passed through the shaft hole 19 of the hooking portion 13 (see FIGS. 2, 8 and 9). Therefore, the hooking portion 13 can move along the shaft portion 20 as shown in FIGS. 8 and 9. As a result, when the hooking portion 13 is hooked on the flange 12, the hooking portion 13 is moved in the left-right direction along the shaft portion 20 as necessary, and the hooking position with respect to one flange 12 can be adjusted. It is possible.

In the misalignment correction jig 11 configured as described above, the fixing bolt 14 below the flange 12 is tightened in a state where the hooking portion 13 is hooked on one of the raised flanges 12. , The hooking portion 13 is fixed to the flange 12, and then the lowering pushing-up bolt 16 of the other flange 15 is tightened to forcibly push up the flange 15 so that the flange 12 and the flange 15 are the same. It can be modified to height or position (see Figure 3).

In this case, since the shaft portion 20 of the hooking portion 13 of the misalignment correction jig 11 is axially passed through the shaft hole 19, the hooking portion 13 can be moved along the shaft portion 20. Therefore, when the hooking portion 13 is hooked on the flange 12, the hooking portion 13 can be appropriately moved in the left-right direction along the shaft portion 20 to adjust the hooking position with respect to the flange 12. Yes (see FIGS. 8 and 9). That is, the hooking portion 13 can be hooked at a position where the hooking portion 13 can be hooked or at an optimum position where the hooking state is stable according to various situations at the site.

Further, the base portion 17 is integrally formed with a horizontal plate 23 and a reinforcing plate 24 that hangs vertically from the edge portion of the horizontal plate 23. Therefore, when the push-up bolt 16 is tightened to press the lower portion of the other flange 15, the reaction force is generated in the direction opposite to the pressing direction (arrow A direction in FIG. 3) (arrow B direction in FIG. 3). The structure has improved resistance to strain of the base 17.

Further, the upper side 18b of the shaft holding plate 18 is joined to the lower portion 17c of the horizontal plate 23 and fastened with the screw 25, and the side 18c of the shaft holding plate 18 is joined to the side portion 24a of the reinforcing plate 24 to be screwed 26. It is a fastened configuration. Therefore, the shaft holding plate 18 not only serves to hold the shaft portion 20, but also when the push-up bolt 16 is tightened to press the lower portion of the other flange 15, this pressing direction (direction of arrow A in FIG. 3). ) And the reaction force in the opposite direction (direction of arrow B in FIG. 3) to further improve the resistance to strain of the base 17.

That is, the presence of the base portion 17 in which the horizontal plate 23 and the reinforcing plate 24 intersect at right angles, and the shaft holding plate 18 that is connected to and firmly joined to the lower portion 17c of the horizontal plate 23 and the side portion 24a of the reinforcing plate 24. Combined with the existence, the resistance strength to the strain of the base 17 was dramatically improved.

11 Misalignment correction jig 12 One flange 13 Hooking part 13a Upper part 13b Continuous part 13c Lower part 14 Fixing bolt 14a Head 14b Spiral part 14c Fixing part 15 Other flange 16 Push-up bolt 16a Head 16b Spiral part 16c Push-up part 17 Base 17a One end 17b Other end 17c Lower 18 Shaft holding plate 18a Square 18b Upper side 18c Side 19 Shaft hole 20 Shaft 22 Handle 23 Water plate 24 Reinforcing plate 24a Side 25 Screw 26 Screw

Claims (3)

It is a misalignment correction jig for correcting the misalignment of the abutting part between the flanges.
The misalignment correction jig is
A U-shaped hook that hooks on one of the flanges,
A fixing bolt for pressing the lower part of the one flange to fix the hooked portion hooked on the upper part of the one flange, and
A push-up bolt for forcibly pushing up the other flange by pressing the lower part of the other flange,
A base portion having a required length into which the fixing bolt is screwed on one end side and the push-up bolt is screwed on the other end side.
Two shaft holding plates provided at the lower part of the base at intervals, and
It is composed of a shaft portion provided across the shaft holding plates and axially passing through the shaft hole of the hooking portion.
A misalignment correction jig characterized in that the hooking portion can be moved along the shaft portion and the hooking position with respect to the one flange can be adjusted. The claim is characterized in that the base portion is integrally formed with a horizontal plate into which the fixing bolt and the pushing-up bolt are screwed, and a reinforcing plate vertically hung from an edge portion of the horizontal plate. Item 1. The misalignment correction jig according to item 1. The misalignment correction jig according to claim 1, wherein the hook portion is provided with a handle for moving along the shaft portion.

Images