JP2002339571A - Adjusting jig for measurement and correction on plumbing to plumb for reinforcement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an adjusting jig for measurement and correction on a plumbing to plumb for a reinforcement capable of surely adjusting a place between a steel-framed column on the lower side and the steel-framed column on the upper side by simple constitution even in the case of the assembly of a cross beam or the like. SOLUTION: An upper-side mounting section 15 capable of being installed to the upper-side erection piece 75 of the steel-framed column 73 on the upper side and a lower-side mounting section 16 capable of being secured to the lower- side erection piece 74 of the steel-framed column 12 on the lower side are mounted on the adjusting jig 1 while a hydraulic type right-side jack device 36 and a hydraulic type left-side jack device 64 pushing an upper-side erection piece 75 in the thickness direction and a hydraulic type upper-side jack device 66 pushing the upper-side erection piece 75 towards a lower end section from an upper end section are set up.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig for refitting a steel frame used for joining an upper steel column to a lower steel column.

[0002]

2. Description of the Related Art Conventionally, when joining an upper steel column to a lower steel column at a construction site, the upper steel column is first lifted by a crane, and then placed above the lower steel column. After connecting the lower steel column and the upper steel column using an adjustment jig, the upper end of the lower steel column and the lower end of the upper steel column are welded or bolted with high strength. To join.

As such an adjusting jig, for example,
Japanese Patent Application Laid-Open No. 8-189201 is known. That is, the adjustment jig described in Japanese Patent Application Laid-Open No. 8-189201 is configured so that the side surface of the erection piece can be movably pinched, and the front end of the adjustment jig contacts the side surface of the erection piece. Possible horizontal position adjustment bolts are screwed. And, in this adjusting jig, when connecting the upper steel column to the lower steel column, the horizontal position adjusting bolt is advanced and retracted and pressed while adjusting the side surface of the erection piece, so that the lower steel column is pressed. The horizontal position of the upper steel column with respect to is adjusted.

[0004]

However, in the actual work on site, when a cross beam or the like is mounted on the upper steel column joined to the lower steel column, there is an error in the mounting accuracy of the cross beam, Deformation stress acts on the joint between the lower steel column and the upper steel column due to the residual stress of the material and the tensile stress at the time of welding, etc., and the lower steel column and the upper steel column In the joint portion with the above, there is a case where a horizontal displacement occurs or the upper steel column rises with respect to the lower steel column.

In such a case, Japanese Patent Application Laid-Open No.
In the adjusting jig described in Japanese Patent Application Laid-Open No. 9201, the erection piece is pressed by the forward / backward movement of the horizontal position adjustment bolt, so that an excessively large pressing force cannot be applied to the erection piece. There is a problem that it is not possible to adjust the displacement or the like.

The present invention has been made in view of such circumstances, and an object of the present invention is to adjust the position between a lower steel column and an upper steel column by a simple configuration. Even when cross beams are installed,
An object of the present invention is to provide a steel frame re-installation adjustment jig that can be reliably performed.

[0007]

In order to achieve the above object, an invention according to claim 1 is characterized in that an upper steel frame to which an erection piece is attached is attached to a lower steel column to which an erection piece is attached. A steel frame refitting adjustment jig used to join the columns, an upper mounting portion that can be mounted to the erection piece of the upper steel column,
The lower mounting portion attachable to the erection piece of the lower steel column, and at least one of the erection piece of the upper steel column and the erection piece of the lower steel column, the thickness of which is increased by the pressure of the fluid. And a thickness direction pressing means for pressing in the vertical direction.

According to such a configuration, the upper mounting portion is mounted on the erection piece of the upper steel column, and the lower mounting portion is mounted on the erection piece of the lower steel column. By pressing at least one of the erection piece of the steel column and the erection piece of the lower steel column in the thickness direction thereof, the joint of the upper steel column to the lower steel column can be easily and simply adjusted. It can be performed reliably. In addition, since the thickness direction pressing means can be pressed with a large pressing force by the pressure of the fluid, for example, in the case where a horizontal beam or the like is assembled to the upper steel column joined to the lower steel column. , Due to errors in the assembly accuracy of the cross beams, residual stress of the material, and furthermore, tensile stress during welding, etc., deforming stress acts on the joint between the lower steel column and the upper steel column, Even when joint displacement occurs at the joint between the lower steel column and the upper steel column, the joint displacement can be easily and reliably adjusted with a large pressing force. .

The invention described in claim 2 is the first invention.
In the invention described in (1), the thickness direction pressing means is formed as a unit, and is detachably attached to a jig main body of the steel frame refitting adjustment jig.

According to such a configuration, the thickness direction pressing means can be easily provided and can be detached when it is not necessary, so that it can be used in an optimum manner according to its purpose and application.

[0011] The invention according to claim 3 is based on claim 1.
In the invention described in (2), the thickness direction pressing means is provided on at least one side of the erection piece, and operates a pressing member for pressing the erection piece and the pressing member. And an operating member for operating the erection piece from a direction in which the erection piece extends toward the steel column.

According to such a configuration, the operating member can be operated from the direction in which the erection piece is most easily operated and the erection piece can be pressed by the pressing member, so that the workability can be improved. .

According to a fourth aspect of the present invention, there is provided a steel frame re-installation used for joining an upper steel column to which an erection piece is attached to a lower steel column to which an erection piece is attached. An adjustment jig, an upper mounting portion mountable to an erection piece of the upper steel column, a lower mounting portion mountable to an erection piece of the lower steel column, and erection of the upper steel column. It is characterized in that a lower pressing means for pressing the upper end of the piece toward the lower end by the pressure of the fluid is provided.

According to such a configuration, the upper mounting portion is mounted on the erection piece of the upper steel column, and the lower mounting portion is mounted on the erection piece of the lower steel column. By pressing the upper end of the erection piece of the column toward the lower end, the upper steel column can be tightly connected to the lower steel column, and the upper steel column can be connected to the lower steel column. Can be joined in a good posture. Moreover, since the downward pressing means can be pressed with a large pressing force by the pressure of the fluid, for example, when a cross beam or the like is assembled to the upper steel column joined to the lower steel column, Deformation stress acts on the joint between the lower steel column and the upper steel column due to errors in the mounting accuracy of the cross beam, residual stress of the material, and tensile stress during welding, etc. Even if the upper steel column rises with respect to the lower steel column at the joint between the steel column and the upper steel column, it can be easily and reliably adhered by pressing again with a large pressing force. Can be.

The invention described in claim 5 is the invention according to claim 4.
In the invention described in (1), the downward pressing means is formed as a unit, and is detachably attached to a jig main body of the steel frame refitting adjustment jig.

According to such a configuration, the downward pressing means can be easily provided and can be detached when it is not needed, so that it can be used in an optimum manner according to its purpose and application.

Further, the invention described in claim 6 is the same as claim 4.
In the invention described in the item (5), the downward pressing means includes:
A pressing member for pressing the erection piece,
An operating member for operating the pressing member, wherein the operating member is configured to be operable from a direction in which the erection piece extends toward the steel column.

According to such a configuration, the operating member can be operated from the direction in which the erection piece is most easily extended, and the erection piece can be pressed by the pressing member, so that the workability can be improved. .

The invention according to claim 7 is the first invention.
7. The invention according to any one of claims 6 to 6, wherein a lower end of the erection piece of the upper steel pillar is provided between the lower mounting portion and the upper mounting portion, and a lower end of the erection piece is directed toward an upper end by a pressure of fluid. And an upper pressing means for pressing by pressing.

According to this configuration, when the lower end of the erection piece of the upper steel column is pressed toward the upper end by the upper pressing means, the inclination of the upper steel column with respect to the lower steel column is corrected. can do. Moreover,
Since the upper pressing means can press with a large pressing force by the pressure of the fluid, for example, when a cross beam or the like is assembled to the upper steel column joined to the lower steel column, Due to errors in assembly accuracy, residual stress of the material, and tensile stress during welding, deformation stress acts on the joint between the lower steel column and the upper steel column, and the lower steel frame Even if the inclination of the upper steel column changes with respect to the lower steel column at the joint between the column and the upper steel column, the change in the inclination can be easily and reliably adjusted with a large pressing force. Can be.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing an adjustment jig as one embodiment of a steel frame re-installation adjustment jig according to the present invention, FIG. 2 is a front view thereof, and FIG. FIG. 8 and FIG. 8 are front sectional views in the use state. The adjustment jig will be described with reference to FIGS. 1 to 3 and FIG.

In FIGS. 1 to 3, this adjusting jig 1
Includes a main unit 2, a right pressing unit 3, a left pressing unit 4, and an upper pressing unit 5 as a jig main body. The main body unit 2 includes a main body frame 6 and a first jack device 7 as an upward pressing means.

The main body frame 6 is formed integrally with a right metal base plate 8 and a left metal base plate 9 facing each other at a predetermined interval, and an upper base plate 10 connecting the upper end portions of the right metal base plate 8 and the left metal base plate 9. A first connecting portion 12, a second connecting portion 13, and a third connecting portion for connecting the base frame 11 having a substantially inverted U-shaped plate shape whose lower side is opened and the right base plate 8 and the left base plate 9 on the front side. And a unit 14.

The upper portions of the right base plate 8 and the left base plate 9 serve as an upper mounting portion 15 which can be mounted on an upper erection piece 75 which will be described later.
Further, lower portions of the right base plate 8 and the left base plate 9 correspond to a lower erection piece 7 described later.
The lower mounting portion 16 can be mounted on the lower mounting portion 4.

As shown in FIG. 8, a first screw hole 17 for screwing a fixing bolt 61 to be described later and a first screw hole 17 of the first screw hole 17 are formed in the upper mounting portion 15 of the right base plate 8. Upper insertion bolts 3 formed below and described later
A second screwing hole 18 for screwing the screw 0 is formed, and a first insertion hole 19 for inserting a pressing cylinder 47 of the right jack device 36 described later.

The lower mounting portion 16 of the right base plate 8 is formed with a third screw hole 20 for screwing a fixing bolt 62, which will be described later, and below the third screw hole 20. And a fourth screw hole 21 for screwing the lower insertion bolt 31 to be screwed.

The upper mounting portion 15 of the left base plate 9 is opposed to the first screw hole 17 and has a fifth screw hole 22 for screwing a fixing bolt 61 to be described later. A sixth jack hole 23 formed below the hole 22 and opposed to the second screw hole 18 for screwing an upper insertion bolt 30 described later, and a first jack 19 opposed to the first insertion hole 19. The second insertion hole 24 for inserting the pressing cylinder 47 of the device 64 is formed.

The lower mounting portion 16 of the left base plate 9 faces the third screw hole 20 and has a seventh screw hole 25 for screwing a fixing bolt 62, which will be described later, and a seventh screw hole 25. An eighth screw hole 26 formed below the attachment hole 25 and opposed to the fourth screw hole 21 for screwing a lower insertion bolt 31 described later, and formed in front of the eighth screw hole 26. And a ninth screw-down screw 32 for screwing a lower pressing bolt 32 described later.
A screw hole 27 is formed.

The upper base plate 10 has a third insertion hole 28 through which a pressing cylinder 47 of an upper jack device 66 described later is inserted.

Further, as shown in FIG.
Are the right base plate 8 and the left base plate 9
In the upper mounting portion 15, more specifically, at the portion where the first through hole 19 and the second through hole 24 are formed,
It is formed so as to project forward in a substantially U-shape, and a tenth screw hole 29 for screwing an upper pressing bolt 33 to be described later is formed on the front surface thereof.

The second connecting portion 13 and the third connecting portion 1
Numeral 4 is formed on the lower mounting portion 16 of the right base plate 8 and the left base plate 9 so as to protrude forward in a substantially U shape in a state of being parallel to the up-down direction at a predetermined interval from each other. .

Then, as shown in FIG. 8, the second screw hole 18 of the right base plate 8 and the left base plate 9
The upper insertion bolt 30 inserted into the upper insertion hole 76 of the upper erection piece 75 is screwed into the sixth screw hole 23, and the fourth screw hole 2 of the right base plate 8 is
In the first and the eighth screw holes 26 of the left base plate 9,
The lower insertion bolt 31 inserted into the lower insertion hole 77 of the lower erection piece 74 is screwed.

A lower pressing bolt 32 for pressing the lower erection piece 74 in the horizontal direction and in the circumferential direction of the lower steel column 72 is screwed into the ninth screw hole 27 of the left base plate 9. As shown in FIG. 1, the upper erection piece 75 is horizontally inserted into the tenth screw hole 29 of the first connecting portion 12 in the horizontal direction.
An upper pressing bolt 33 for pressing in a direction perpendicular to the circumferential direction of the upper screw 3 is screwed.

The lower jack device 7 is provided between the upper mounting portion 15 and the lower mounting portion 16 and has substantially the same configuration as a right jack device 36 described below. However, the lower jack device 7 is disposed above the second connecting portion 13 and is substantially U-threaded to the base frame 11.
It is attached to the base frame 11 via a letter-shaped holder member 34, and is formed in a disk shape to receive the lower end of the upper erection piece 75 instead of the pressing cylinder 47 described later. Receiving member 35 having a substantially U-shaped cross section
Is provided.

The lower jack device 7 is provided with the receiving member 35 by the attachment as described later.
Is opposed to the lower end of the upper erection piece 75 so as to be able to advance and retreat, and the plunger member 45 is arranged along the direction in which the upper erection piece 75 extends toward the upper steel column 73.

The right-side pressing unit 3 includes a right-side jack device 36 as a thickness-direction pressing unit, and a right-side holder member 37 for attaching the right-side jack device 36 to the base frame 11. That is, as shown in FIGS. 2 and 8, the right holder member 37 has a substantially hat-plate shape, and is formed in a substantially U-shape between the two flat plate portions 38 and 39 and the flat plate portions 38 and 39. And the holding part 40 are integrally formed. Plates 38 and 3
9, end insertion holes 41 and 42 through which fixing bolts 61 and 62 described later are inserted, respectively, are formed, and a holding portion 40 includes jack fixing bolts 6 described later.
A central insertion hole 43 into which 0 is inserted is formed.

The right jack device 36 is formed as a single unit. As shown in FIG. 4, a jack body 44, a plunger member 45 as an operating member, a piston member 46, a pressing cylinder 47 as a pressing member, and A spring 48 and the like are provided.

The jack main body 44 has a substantially L-shaped cylindrical shape, and the plunger cylinder portion 4 in which the plunger member 45 is housed.
9 and a piston cylinder 50 extending laterally from the plunger cylinder 49 and accommodating the piston member 46 are integrally formed, and the inside of the plunger cylinder 49 and the piston cylinder 5 are formed.
The inside of 0 is communicated with the communication path 51. Also,
The bottom of the piston cylinder 50 in the jack body 44 faces the center insertion hole 43, and a jack fixing bolt 60 described later is in contact with the bottom.

The plunger member 45 includes a plunger shaft 52 having a thread formed in the axial direction, a bolt head 53 provided at one end of the plunger shaft 52, and a plunger 54 provided at the other end. Plunger 5
4 is inserted into the plunger cylinder 49 in a sealed state, and the plunger shaft 52 is
9 is screwed onto a seal nut 55 provided at the free end so as to be able to advance and retreat.

The piston member 46 has a large-diameter portion 56 and a small-diameter shaft portion 58 formed integrally with each other. The large-diameter portion 56 is sealed, and the spring 4 surrounds the small-diameter shaft portion 58.
In a state in which the piston 8 is disposed, the lid 57 is accommodated in the piston cylinder 50, and in this state, a lid 57 is provided at the tip of the piston cylinder 50 so that the small-diameter shaft 58 can be freely advanced and retracted. Further, a cylindrical pressing cylinder 47 is attached to the distal end of the small-diameter shaft section 58 via a bolt.

The plunger cylinder 49, the piston cylinder 50, and the communication passage 51 are filled with oil, and the bolt head 53 is fixed to the plunger shaft 52 by a wrench 78 (see FIG. 7) described later. If it is rotated in the screwing direction, the piston member 46 moves by hydraulic pressure and the pressing cylinder 47 advances, while the bolt head 5 is moved by the wrench 78.
When the plunger shaft 52 is rotated in the retreating direction of the plunger shaft 52, the urging force of the spring 48 moves the piston member 69 in the opposite direction, and the pressing cylinder 47 is retracted. Therefore, in the right jack device 36, the bolt head 53 is
The pressing cylinder 47 is configured to move forward and backward by rotating in the forward and reverse directions.

Then, as shown in FIGS. 2 and 8, the right holder member 37 connects the right jack device 36 to the holding portion 4.
0 and the pressing cylinder 4 of the right jack device 36 is inserted into the first insertion hole 19 of the right base plate 8.
The fixing bolts 61 and 62 are screwed into the first screw hole 17 and the third screw hole 20 of the right base plate 8 through the end insertion holes 41 and 42, respectively, in a state where the screw 7 is inserted to be able to advance and retreat. The right base plate 8
It is detachably attached to. The right jack device 36 is supported by the right holder member 37 by the jack fixing bolt 60 abutting on the jack main body 44 via the central through hole 43 in the state of being received by the holding portion 40. Have been. The upper flat plate portion 38 and the right base plate 8 are attached via an upper holder member 67 described later, and the lower flat plate portion 39 and the right base plate 8 correspond to the thickness of the upper holder member 67. It is attached via a collar member 63.

The right jack device 36 is attached to the pressing cylinder 4 by the attachment as described later.
7 faces one surface of the upper erection piece 75 so as to be able to advance and retreat, and the plunger member 45 is arranged along the direction in which the upper erection piece 75 extends toward the upper steel column 73.

Further, the left pressing unit 4 includes a left jack device 64 as a thickness direction pressing means, and a left holder member 65 for attaching the left jack device 64 to the base frame 11. The left jack device 64 and the left holder member 65 are connected to the right jack device 3.
6 and the right holder member 37, and is attached to the left base plate 9 in the same manner as the right pressing unit 3. That is, the left holder member 65 allows the pressing cylinder 47 of the left jack device 64 to freely advance and retreat through the second insertion hole 24 of the left base plate 9 in a state where the left jack device 64 is received in the holding portion 40. With the fixing bolts 61 and 62
It is detachably attached to the left base plate 9 by being screwed into the fifth screw hole 22 and the seventh screw hole 25 of the left base plate 9 via the end insertion holes 41 and 42, respectively. And the left jack device 64
When the jack fixing bolt 60 is received by the holding portion 40 of the left holder member 65,
Through the jack body 44,
It is supported by the left holder member 37. The upper flat plate portion 38 and the left base plate 9 are attached via an upper holder member 67 described later, and the lower flat plate portion 39 and the left base plate 9 correspond to the thickness of the upper holder member 67. It is attached via a collar member 63.

Incidentally, the left jack device 64 is attached to the pressing cylinder 4 by the attachment as described later.
7 faces the other surface of the upper erection piece 75 so as to freely advance and retreat, and the plunger member 45 is arranged along the direction in which the upper erection piece 75 extends toward the upper steel column 73. As a result, the right jack device 36 and the left jack device 64 are respectively disposed on both sides of the upper erection piece 75 as described later.

The upper pressing unit 5 includes an upper jack device 66 and the upper jack device 66 connected to the base frame 1.
1 and an upper holder member 67 to be attached to the first holder member. That is, the upper holder member 67 has a substantially U-shaped plate shape whose lower side is opened, and an upper insertion hole 68 through which a jack fixing bolt 71 described later is inserted is formed at an upper portion thereof, and both lower end portions thereof are formed. Are formed with lower insertion holes 69 and 70 through which the fixing bolts 61 are respectively inserted. In addition, substantially rectangular openings 79 for reducing the weight are formed on both sides of the upper holder member 67, respectively.

The upper jack device 66 also has the same configuration as the right jack device 64, and is attached to the upper base plate 10 by the upper holder member 67. That is, in a state where the upper holder member 67 receives the upper jack device 66 and the pressing cylinder 47 of the upper jack device 66 is inserted into the third insertion hole 28 of the upper base plate 10 so as to be able to advance and retreat.
One lower end is connected to the upper flat plate portion 3 of the right holder member 37.
8 and the right base plate 8, and the other lower end is disposed between the upper flat plate portion 38 of the left holder member 65 and the left base plate 9, and the right base plate is inserted into the lower insertion holes 69 and 70. 8 first
Screw hole 17 and fifth screw hole 2 of left base plate 9
2 are detachably attached to the upper base plate 10 by inserting respective fixing bolts 61 screwed to the respective 2. The upper jack device 66 is supported by the upper holder member 67 by the jack fixing bolt 71 abutting on the jack body 44 through the upper insertion hole 68 in a state of being received by the upper holder member 67. Have been.

In addition, the upper jack device 66 is attached to the pressing cylinder 4 by the attachment as described later.
7 faces the upper end of the upper erection piece 75 so as to be able to advance and retreat, and the plunger member 45 is disposed along the direction in which the upper erection piece 75 extends toward the upper steel column 73.

The adjusting jig 1 is provided with an upper mounting portion 15.
Is formed wider than the space between the right base plate 8 and the left base plate 9 in the lower mounting portion 16 so that the space between the right base plate 8 and the left base plate 9 in the lower mounting portion 16 can be reduced. The lower mounting portion 16 is securely mounted, and the position adjustment by pressing the pressing cylinders 47 against the upper erection piece 75 in the horizontal direction is facilitated.

Also, in this adjusting jig 1, the lower mounting portion 1
6, the opposing distance between the opposing right base plate 8 and the left base plate 9 is formed so that the opposing distance is widened toward the lower edge, whereby the lower erection piece 74 is favorably guided. I can do it.

FIG. 5 is a front view showing a state in which the adjusting jig is connected to an upper erection piece, FIG. 6 is a front view showing a state in which the adjusting jig is connected to an upper erection piece and a lower erection piece, FIG. 7 is a perspective view showing a use state of the adjustment jig.

Next, a method of connecting the upper steel column 73 to the lower steel column 72 using the adjustment jig 1 will be described with reference to FIGS.

The lower steel column 72 is a steel column whose lower end is already joined to another steel column, and has a cross-sectional shape substantially as shown in FIGS. 6 and 7, for example. It has a quadrangular shape, and at its upper end and lower end, four substantially rectangular plate-shaped lower erection pieces 74 are provided at the center of each side of the outer peripheral surface at right angles to the circumferential direction of the lower steel column 72. In each direction, they are fixed by welding. In addition, as shown in FIG. 8, a crane suspender (not shown) is provided at the center of each lower erection piece 74.
Are formed so as to penetrate in the thickness direction.

The upper steel column 73 is a steel column whose lower end is to be joined to the upper end of the lower steel column 72. For example, as shown in FIGS. Its cross-sectional shape is substantially quadrangular. At its upper end and lower end, four substantially rectangular plate-like upper erection pieces 75 are provided at the center of each side of the outer peripheral surface, around the upper steel column 73. Each is fixed by welding in a direction perpendicular to the direction. Also, as shown in FIG. 8, an upper insertion hole 76 used to insert a hanging tool (not shown) of the crane penetrates the center of each upper erection piece 75 in the thickness direction. , Respectively.

In this method, first, the four adjusting jigs 1 are respectively connected to the four upper erection pieces 75 provided at the lower end of the upper steel column 73. To connect each adjustment jig 1 to each upper erection piece 75, as shown in FIG. 5, the upper erection piece 75 is located between the right base plate 8 and the left base plate 9 in the upper mounting portion 16 of the adjustment jig 1.
8, the upper insertion hole 76 of the upper erection piece 75, the second screw hole 18 of the right base plate 8, and the sixth screw hole 23 of the left base plate 9, as shown in FIG. And the upper insertion bolt 30 is inserted into the upper insertion hole 76 and screwed into the second screw hole 18 and the sixth screw hole 23. Thereby, the adjustment jig 1 is connected to the upper erection piece 75.

Thereafter, by rotating the bolt head 53 of the right jack device 36 and the left jack device 64 with a wrench 78 (see FIG. 7), the pressing cylinder 47 is advanced and retracted, and both surfaces of the upper erection piece 75 are moved. If necessary, the upper jack device 66 is pressed in the thickness direction.
By rotating the bolt head 53 with a wrench 78 (see FIG. 7), the pressing cylinder 47 is advanced and retracted, and the upper end of the upper erection piece 75 is appropriately pressed toward the lower end thereof. The upper erection piece 75 is formed by screwing the upper pressing bolt 33 forward and backward.
Is appropriately pressed from the free end side of the upper erection piece 75 toward the base side to adjust the connection posture of the adjustment jig 1 to the upper steel column 73.
More specifically, in a state where the adjustment jig 1 is lifted by a crane, the lower jig 16 of the adjustment jig 1 is located between the right base plate 8 and the left base plate 9.
The connecting posture of the adjusting jig 1 is adjusted so that the lower erection piece 74 is inserted smoothly. Then, when this adjustment jig 1 is connected to the lower steel column 72, efficient work can be achieved.

Then, in this way, the upper steel column 7
After the connecting posture of the adjustment jig 1 with respect to the third jig 3 is adjusted, the upper steel column 73 is lifted by a crane, and each upper erection piece 75 and each lower erection piece 74 are placed above the lower steel column 72. Are arranged to face each other. The lifting of the upper steel column 73 by a crane can be performed by a known method. For example, a lifting tool is inserted into the upper insertion hole 76 of each upper erection piece 75 provided at the upper end of the upper steel column 73. And lift it.

Then, the four adjustment jigs 1 are respectively connected to the four lower erection pieces 74 provided at the upper end of the lower steel column 72. To connect each adjustment jig 1 to each lower erection piece 74,
First, as shown in FIGS. 5 and 6, the upper steel column 73 is gradually lowered by the crane, and the lower erection piece 74 is placed between the right base plate 8 and the left base plate 9 in the lower mounting portion 16 of the adjustment jig 1. And insert it.

In this insertion, as described above, the adjusting jig 1 is adjusted in advance so that the lower erection piece 74 can be smoothly inserted between the right base plate 8 and the left base plate 9. ,
Since the distance between the lower ends of the right base plate 8 and the left base plate 9 is formed so that the opposing distances thereof are widened toward the lower end edge, the lower erection piece 74 is satisfactorily invited to be mounted on the lower side. Part 16
Can be easily and smoothly sandwiched. for that reason,
Conventionally, an operator for guiding the adjustment jig 1 requires four workers.
Although about humans were required, the use of this adjustment jig 1 enables good work even with about two people, and achieves efficient work.

Next, as shown in FIG. 8, the lower insertion hole 77 of the lower erection piece 74 is aligned with the fourth screw hole 21 of the right base plate 8 and the eighth screw hole 26 of the left base plate 9. And the lower insertion bolt 31
Is screwed into the fourth screw hole 21 and the eighth screw hole 26 while being inserted into the lower insertion hole 77. Thereby, the adjustment jig 1 is moved to the lower erection piece 74.
Linked to

Next, the attitude of the upper steel column 73 with respect to the lower steel column 72 is corrected in the horizontal direction, and the joints of both columns are adjusted. The horizontal correction of the upper steel column 73 can be performed as follows. That is, as shown in FIG. 8, first, the lower pressing bolt 32 screwed into the ninth screw hole 27 of the left base plate 9 is screwed to move the lower erection piece 74 toward the right base plate 8. By pressing the lower mounting portion 16
Is fixed to the lower erection piece 74.

Next, as shown in FIG. 7, by rotating the bolt head 53 of the right jack device 36 with a wrench 78, the pressing cylinder 47 is moved forward and backward in the horizontal direction, and one of the upper erection pieces 75 is moved. The pressing cylinder 47 is advanced and retracted in the horizontal direction by rotating the bolt head 53 of the left jack device 64 with a wrench 78 while pressing the surface while appropriately adjusting the thickness in the thickness direction. By pressing the other surface of the piece 75 while adjusting it in the thickness direction as appropriate, the upper steel column 7
3 to adjust the position of the lower steel column 72 in the horizontal direction in the circumferential direction. That is, the right jack device 36
When the pressing cylinders 47 of the left jack device 64 press both surfaces of the upper erection piece 75, the upper steel column 73 is moved in the direction in which the pressing force acts, so that each of the opposing steel columns 73 faces from the opposite side. By appropriately adjusting the pressing cylinder 47 to advance and retreat, the upper steel column 73
Can be moved in the forward / reverse direction in the circumferential direction, whereby it is possible to perform easily and reliably while finely adjusting the circumferential position in the horizontal direction.

In addition to such adjustment of the position in the circumferential direction in the horizontal direction, the upper pressing bolt 33 is advanced and retracted, so that the upper erection piece 7 is adjusted.
5 at its upper erection piece 75
Of the upper steel column 73 and the lower steel column 72 in the direction perpendicular to the circumferential direction in the horizontal direction. That is, when the upper erection piece 75 is pressed from the free end side toward the base side by the upper pressing bolt 33, the upper steel column 73 is moved in the direction in which the pressing force acts. By appropriately adjusting and tightening, the upper steel column 73 can be moved in a direction perpendicular to the circumferential direction thereof, whereby the position can be adjusted in the horizontal direction perpendicular to the circumferential direction.

In this manner, when the horizontal correction of the upper steel column 73 is performed, the upper steel column 73 is attached to the lower steel column 72 in the circumferential direction in the horizontal direction and in the orthogonal direction. Therefore, the upper steel column 73 can be joined to the lower steel column 72 in a good posture.

Next, the posture of the upper steel column 73 with respect to the lower steel column 72 is corrected in the vertical direction. As shown in FIG. 7, the bolt head 53 of the lower jack device 7 is fixed to a wrench 78 by correcting the vertical direction of the upper steel column 73.
To rotate the receiving member 35 up and down,
This can be performed by appropriately lifting or lowering the lower end of the upper erection piece 75 to support the upper erection piece 75 at an appropriate position. Thus, the upper erection piece 7
5 can be corrected while finely adjusting the inclination of the upper steel column 73 with respect to the lower steel column 72 in the vertical direction, so that the vertical position of the upper steel column 73 can be corrected. The orientation in the direction can be surely corrected, and the upper steel column 73 can be joined to the lower steel column 72 in a better posture.

In addition to such horizontal and vertical position adjustments, by rotating the bolt head 53 of the upper jack device 66 with a wrench 78, the pressing cylinder 47 is advanced and retracted in the vertical direction. By appropriately pressing the upper end of the erection piece 75 toward the lower end, the upper steel column 73 can be pressed against the lower steel column 72. Therefore, the upper steel column 73 can be closely connected to the lower steel column 72, and the upper steel column 73 can be joined to the lower steel column 72 in a favorable posture.

In the above description, after the position of the upper erection piece 75 has been adjusted in the horizontal direction,
The position of the upper erection piece 75 in the vertical direction is adjusted, but the order may be any order. After the position of the upper erection piece 75 is adjusted in the vertical direction, the position of the upper erection piece 75 in the horizontal direction is adjusted. The adjustment may be performed, and the horizontal position adjustment and the vertical position adjustment may be performed in parallel.

Then, in this way, the lower steel column 7
After correcting the attitude of the upper steel column 73 with respect to 2, the upper end of the lower steel column 72 and the lower end of the upper steel column 73 are joined by welding or high-strength bolts. In this method, if the upper steel column 73 and the lower steel column 72 are connected by the respective adjustment jigs 1, then, at an appropriate time, the hanging tool of the crane is replaced with the upper steel frame. What is necessary is just to remove from each upper erection piece 75 provided in the upper end part of the pillar 73.

In the adjusting jig 1, the right jack device 36 is used in the operation of correcting the posture of the upper steel column 73 with respect to the lower steel column 72, that is, in the position adjusting operation in the horizontal and vertical directions. 7, the plunger members 45 of the left jack device 64, the upper jack device 66, and the lower jack device 7 are all in the same direction, that is, the upper erection piece 75, as shown in FIG.
Are arranged along the direction extending toward the upper steel column 73, so that the operator can move all the plunger members 45 from the most convenient front side using the wrench 78.
Therefore, the workability can be significantly improved.

Further, in the adjusting jig 1, the right jack device 36, the left jack device 64, the upper jack device 66, and the lower jack device 7 are all hydraulic jack devices, and a large pressing force is applied by hydraulic pressure. So that, for example, as shown in FIG.
When the cross beam 80 or the like is attached to the upper steel column 73 joined to the lower steel column 72, the cross beam 8
Deformation stress acts on the joint portion 81 between the lower steel column 72 and the upper steel column 73 due to an error in the assembling accuracy of 0, residual stress of the material, and tensile stress at the time of welding. If, for example, a joint displacement occurs at the joint 81 between the lower steel column 72 and the upper steel column 73, the joint displacement is corrected by the right jack device 36 and the left jack device 64. It can be easily and reliably adjusted with a large pressing force.

The lower steel column 72 and the upper steel column 7
For example, even if the upper steel column 73 rises up with respect to the lower steel column 72 at the joint portion 81 with the third steel plate 3, the upper steel column 73 is again pressed with a large pressing force by using the upper jack device 66, thereby simplifying the operation. In addition, it is possible to ensure close contact.

The lower steel column 72 and the upper steel column 7
For example, even if the inclination of the upper steel column 73 changes with respect to the lower steel column 72 at the joint portion 81 with the third steel column 72, the change in the inclination is changed by a large pressing force using the lower jack device 7. Thus, the adjustment can be easily and reliably performed.

Therefore, if this adjusting jig 1 is used,
Regardless of before and after joining of the upper steel column 73 to the lower steel column 72, the large pressing force causes the lower steel column 72.
In contrast, the upper steel column 73 can be adjusted to a favorable posture.

In this adjusting jig 1, the upper jack device 66 is detachably mounted on the base frame 11 by the upper holder member 67, so that the upper jack device 66 can be easily equipped. ,
When unnecessary, the upper holder member 67 is attached to the base frame 11.
By removing from the device, for example, it can be removed as shown in FIG. 10, so that it can be used in an optimal manner according to its purpose and application. Note that FIG.
At the third insertion hole 28 of the upper base plate 10, a screw thread is formed, and a pressing bolt 82 for pressing the upper end of the upper erection piece 75 toward the lower end.
Is screwed and the flat plate portion 3 of the right holder member 37 is
A collar member 63 is interposed between the base member 8 and the right base plate 8 and between the flat plate portion 38 of the left holder member 65 and the left base plate 9.

Although not shown, the adjusting jig 1 includes the right jack device 36 and the left jack device 64
Are also removably mounted to the base frame 11 by the right holder member 37 and the left holder member 65, so that the right jack device 36 and the left jack device 64 can be easily equipped, and when unnecessary, for example, It is also possible to remove both or only one of them, so that it can be used in an optimal manner depending on its purpose and application.

In the above description, the adjusting jig 1
From the beginning, it has been described as a mode equipped with the right jack device 36, the left jack device 64 and the upper jack device 66, but for example, when joining the upper steel column 73 to the lower steel column 72, For example, the position is adjusted in the horizontal and vertical directions by other pressing means such as a pressing bolt, and then at least one of the right jack device 36, the left jack device 64, and the upper jack device 66 is used for the purpose. Depending on the application and the purpose, it may be appropriately mounted (post-installed).

In the above description, the lower steel column 72 and the upper steel column 73 have a cross section of approximately 4 mm.
Each adjusting jig 1 is connected to each of the lower erection piece 74 and each of the upper erection pieces 75 formed at the center of each side of the outer peripheral surface in the shape of a square. Steel column 72 and upper steel column 73
The shape of is not limited at all, for example, a polygonal cross section,
The number of each lower erection piece 74 and each upper erection piece 75 is not limited, and each adjusting jig 1 may be connected to each lower erection piece 74 and each upper erection piece 74. It is not necessary to always connect the erection piece 75 so as to correspond to it.

[0078]

As described above, according to the first aspect of the present invention, a deformation stress acts on the joint between the lower steel column and the upper steel column, and the lower steel frame is subjected to the deformation stress. Even if the joint displacement occurs at the joint between the column and the upper steel column, the joint displacement is increased by a large pressing force.
Adjustment can be made easily and reliably.

According to the second aspect of the present invention, it can be used in an optimum manner depending on its purpose and application.

According to the third aspect of the present invention, the operation member can be operated from the direction in which the erection piece is most easily operated and the erection piece can be pressed by the pressing member. Can be planned.

According to the fourth aspect of the present invention, a deformation stress acts on the joint between the lower steel column and the upper steel column, and the joint between the lower steel column and the upper steel column is formed. At the joint, even if the upper steel column rises against the lower steel column, by pressing again with a large pressing force,
Simple and reliable adhesion can be achieved.

According to the fifth aspect of the present invention, it can be used in an optimum manner depending on its purpose and application.

According to the invention, the erection piece can be pressed by the pressing member by operating the operating member from the direction in which the erection piece is most easily operated, thereby improving workability. Can be planned.

According to the seventh aspect of the present invention, a deforming stress acts on a joint between the lower steel column and the upper steel column, and the joint between the lower steel column and the upper steel column is formed. Even if the inclination of the upper steel column changes relative to the lower steel column at the joint, the change in the inclination can be easily and reliably adjusted with a large pressing force.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an adjustment jig as one embodiment of a steel frame re-installation adjustment jig of the present invention.

FIG. 2 is a front view of the adjustment jig shown in FIG.

FIG. 3 is a left side view of the adjustment jig shown in FIG.

FIG. 4 is a plan sectional view of a right jack device of the adjustment jig shown in FIG. 1;

FIG. 5 is a front view showing a state where an adjustment jig is connected to an upper erection piece.

FIG. 6 is a front view showing a state where an adjustment jig is connected to an upper erection piece and a lower erection piece.

FIG. 7 is a perspective view showing a use state of the adjustment jig.

FIG. 8 is a front sectional view of the adjustment jig shown in FIG. 1 in a used state.

FIG. 9 is a schematic explanatory view showing a state in which a cross beam is attached to an upper steel column.

FIG. 10 is a perspective view showing another embodiment of the steel frame re-installation adjusting jig of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Adjusting jig 7 Lower jack device 15 Upper mounting portion 16 Lower mounting portion 36 Right jack device 45 Plunger member 47 Pressing cylinder 64 Left jack device 66 Upper jack device 72 Lower steel column 73 Upper steel column 74 Lower Side erection piece 75 Upper erection piece

Continuation of the front page (72) Inventor Shuji Ota 2-180 Iwamuro, Osaka Sayama City, Osaka Elephant Sealed Chain Block Co., Ltd. F term (reference) 2E174 DA32 DA38

Claims (7)

[Claims] 1. A steel-frame refitting adjustment jig used to join an upper steel column to which an erection piece is attached to a lower steel column to which an erection piece is attached, An upper mounting portion that can be mounted on the erection piece of the steel column, a lower mounting portion that can be mounted on the erection piece of the lower steel column, and an erection piece of the upper steel column and the lower steel column. A thickness direction pressing means for pressing at least one of the erection pieces in a thickness direction thereof by a pressure of a fluid, and a steel frame re-installation adjusting jig. 2. The thickness direction pressing means is formed as a unit, and is detachably attached to a jig body of the steel frame refitting adjustment jig.
The steel frame refitting adjustment jig according to claim 1. 3. The thickness direction pressing means is provided on at least one side with respect to the erection piece, and a pressing member for pressing the erection piece, and an operation for operating the pressing member. The member according to claim 1 or 2, wherein the operating member is configured to be operable from a direction in which the erection piece extends toward the steel column. Fixing jig. 4. A steel frame refitting adjustment jig used to join an upper steel column to which an erection piece is attached to a lower steel column to which an erection piece is attached, wherein An upper mounting portion that can be mounted on the erection piece of the steel column; a lower mounting portion that can be mounted on the erection piece of the lower steel column; and And a downward pressing means for pressing toward the lower end portion. 5. The apparatus according to claim 4, wherein the downward pressing means is formed as a unit, and is detachably attached to a jig main body of the steel frame refitting adjustment jig. Adjustment jig for rebuilding steel frame. 6. The downward pressing means includes a pressing member for pressing the erection piece, and an operating member for operating the pressing member, wherein the operating member is such that the erection piece is a steel frame. The steel frame refitting adjustment jig according to claim 4, wherein the jig is configured to be operable from a direction extending toward the column. 7. An upper portion provided between the lower mounting portion and the upper mounting portion for pressing a lower end portion of the erection piece of the upper steel column toward an upper end portion by a pressure of a fluid. The jig for re-installing a steel frame according to any one of claims 1 to 6, further comprising a pressing means.