JP2021085142A - Pillar arrangement structure, and pillar arrangement method - Google Patents

Abstract

To provide a pillar arrangement structure capable of easily positioning an upper column to the top of the lower column while preventing the rotation of the upper pillar while descending of the upper pillar.SOLUTION: The pillar arrangement structure includes: a lower pillar having a square cylinder shape extending along the vertical direction; an upper pillar having a square cylinder shape extending along the vertical direction, which is to be placed on the upper end of the lower pillar; and a main guide plate protruding from the top of the lower pillar. The main guide plate extends from one end to a diagonal end on the inner edge of the upper end of the lower column.SELECTED DRAWING: Figure 1

Description

The present disclosure relates to a column arrangement structure in which an upper column is arranged at the upper end of a lower column, and a column arrangement method.

Conventionally, in order to join a pillar to a pillar, for example, a pillar (upper pillar) suspended from a crane is lowered toward a pillar (lower pillar) installed on the floor surface to lower the upper pillar. Place it at the top of the lower pillar. At this time, a worker who adjusts (aligns) the position and angle of the upper pillar with respect to the lower pillar is required. Patent Document 1 discloses that a guide plate protruding from the upper end of the lower pillar is provided in order to position the upper pillar at the upper end (so-called stigma) of the lower pillar.

Jikkenhei 6-73254 Gazette

However, although the horizontal position of the upper pillar with respect to the lower pillar can be guided to some extent only by providing the guide plate as described in Patent Document 1, the upper pillar suspended from the crane is placed at the upper end of the lower pillar. It may rotate when descending toward it. Therefore, the position of the upper pillar in the circumferential direction with respect to the lower pillar may be displaced, and the upper pillar may not be easily positioned at the upper end of the lower pillar.

The present invention has been made in view of the above-mentioned problems, and is a column arrangement structure capable of suppressing the rotation of the upper column during descent of the upper column and easily positioning the upper column at the upper end of the lower column. And to provide a pillar placement method.

(1) The pillar arrangement structure according to at least one embodiment of the present invention is arranged at the upper end of the lower pillar extending along the vertical direction and having a square cylinder shape and extending along the vertical direction. An upper pillar having a square tubular shape and a main guide plate protruding from the upper end of the lower pillar are provided, and the main guide plate is one end of a diagonal line on the inner peripheral edge of the upper end of the lower pillar. It extends from one portion to the other end.

According to the configuration described in (1) above, the main guide plate protrudes from the upper end of the lower pillar. Therefore, when the upper pillar is lowered toward the upper end of the lower pillar in order to arrange the upper pillar at the upper end of the lower pillar, The main guide plate is inserted inside the upper pillar. Since this main guide plate extends from one end to the other end of the diagonal line on the inner peripheral edge of the upper end of the lower pillar, the upper pillar will rotate when the main guide plate is inserted inside the upper pillar. Even so, the main guide plate and the inner wall surface of the upper pillar interfere with each other, and the rotation of the upper pillar can be suppressed. Therefore, it is possible to prevent the upper pillar from rotating while the upper pillar is descending, and to easily position the upper pillar at the upper end of the lower pillar.

(2) In some embodiments, in the configuration described in (1) above, the main guide plate is a first straight line portion extending along the vertical direction from the one end portion of the upper end of the lower column. Along the direction intersecting the vertical direction from the tip of the first straight line portion with the second straight line portion extending from the other end of the upper end of the lower pillar along the vertical direction. The first diagonal line portion extending toward the other end side and the second extending toward the one end side along the direction intersecting the vertical direction from the tip of the second straight line portion. Includes shaded areas.

According to the configuration described in (2) above, only by lowering the upper pillar toward the upper end of the lower pillar, the inner peripheral edge of the lower end of the upper pillar interferes with at least one of the first diagonal line portion and the second diagonal line portion. However, the horizontal position deviation and the circumferential position deviation of the upper pillar with respect to the lower pillar can be automatically corrected. Therefore, even if the horizontal position or the circumferential position of the upper pillar with respect to the lower pillar is deviated, the upper pillar is positioned in the horizontal direction and the circumferential direction simply by lowering the upper pillar toward the upper end of the lower pillar. be able to.

(3) In some embodiments, in the configuration described in (2) above, the sub-guide plate projecting from the upper end of the lower column is above and below the first straight line portion and the second straight line portion. A sub-guide plate having a small length along the direction is further provided, and at the upper end of the lower column, the minimum distance between the first straight line portion and the inner peripheral edge of the upper end is a1, and the second straight line portion and the upper end are set. When the minimum distance from the inner peripheral edge of the above is a2 and the minimum distance between the sub-guide plate and the inner peripheral edge of the upper end is b, the relationship of a1> b and a2> b is satisfied.

According to the configuration described in (3) above, the sub-guide plate has a smaller length along the vertical direction than the first straight portion and the second straight portion of the main guide plate. Further, the minimum distance b between the sub guide plate and the inner peripheral edge of the upper end is smaller than the minimum distance a1 between the first straight line portion and the inner peripheral edge of the upper end and the minimum distance a2 between the second straight line portion and the inner peripheral edge of the upper end. That is, the clearance formed between the sub guide plate and the inner wall surface of the upper pillar is smaller than the clearance formed between the main guide plate and the inner wall surface of the upper pillar, and the sub guide plate is smaller than the main guide plate. The upper pillar can be positioned at the upper end of the lower pillar with high accuracy. Therefore, when arranging the upper pillar at the upper end of the lower pillar, first, the horizontal position and the circumferential position of the upper pillar with respect to the lower pillar are corrected by the main guide plate inserted inside the upper pillar. By guiding the upper pillar to a predetermined position at the upper end of the lower pillar by the sub-guide plate, the upper pillar can be easily and highly accurately positioned at the upper end of the lower pillar.

(4) The pillar arrangement structure according to at least one embodiment of the present invention is arranged at the upper end of the lower pillar extending along the vertical direction and having a square cylinder shape and extending along the vertical direction. An upper pillar having a square tubular shape and an upper main guide plate protruding from the lower end of the upper pillar are provided, and the upper main guide plate is a diagonal line on the inner peripheral edge of the lower end of the upper pillar. Extends from one end to the other.

According to the configuration described in (4) above, even when the upper main guide is provided on the upper pillar, the upper pillar is lowered during the descent of the upper pillar, similar to the effect of the configuration described in (1) above. The upper pillar can be easily positioned at the upper end of the lower pillar by suppressing the rotation.

(5) The pillar arrangement structure according to at least one embodiment of the present invention is arranged at the upper end of the lower pillar extending along the vertical direction and having a square cylinder shape and extending along the vertical direction. An upper pillar having a square tubular shape and a contact guide plate protruding from the upper end of the lower pillar are provided, and the contact guide plate is one side of the inner peripheral edge of the upper end of the lower pillar. It extends from one end to the other end of the first side.

According to the configuration described in (5) above, the contact guide plate extends from one end to the other end of the first side, which is one side of the inner peripheral edge of the upper end of the lower pillar. Therefore, by bringing the inner wall surface of the upper pillar into surface contact with the contact guide plate, the rotation of the upper pillar can be suppressed and the position of the upper pillar in the circumferential direction with respect to the lower pillar can be adjusted. For this reason, by lowering the upper pillar while the inner wall surface of the upper pillar is in surface contact with the contact guide plate, the upper pillar is prevented from rotating while the upper pillar is being lowered, and the upper pillar is moved to the lower pillar. Can be easily positioned at the top of the.

(6) In some embodiments, in the configuration described in (5) above, the contact guide plate extends along the vertical direction from the one end of the first side of the upper end of the lower column. An existing first straight line portion, a second straight line portion extending along the vertical direction from the other end of the first side of the upper end of the lower column, and the upper and lower parts from the tip of the first straight line portion. The first diagonal line portion extending toward the other end side along the direction intersecting the direction and the direction intersecting the vertical direction from the tip of the second straight line portion. Includes a second shaded portion extending toward one end side.

According to the configuration described in (6) above, only by lowering the upper pillar toward the upper end of the lower pillar, the inner peripheral edge of the lower end of the upper pillar interferes with at least one of the first diagonal line portion and the second diagonal line portion. However, the horizontal position deviation and the circumferential position deviation of the upper pillar with respect to the lower pillar can be automatically corrected. Therefore, even if the horizontal position or the circumferential position of the upper pillar with respect to the lower pillar is deviated, the upper pillar is positioned in the horizontal direction and the circumferential direction simply by lowering the upper pillar toward the upper end of the lower pillar. be able to.

(7) In some embodiments, in the configuration described in (6) above, the sub-guide plate projecting from the upper end of the lower pillar is above and below the first straight line portion and the second straight portion. A sub-guide plate having a small length along the direction is further provided, and the sub-guide plate is connected to the second side connected to the one end portion of the first side and the other end portion of the first side. It is provided close to either one of the third sides.

According to the configuration described in (7) above, the sub-guide plate has a smaller length along the vertical direction than the first straight portion and the second straight portion of the contact guide plate. Further, the sub guide plate is provided close to either the second side or the third side. That is, the sub-guide plate can position the upper pillar at the upper end of the lower pillar in the horizontal direction in which the contact guide plate extends (horizontal direction). Therefore, when arranging the upper pillar at the upper end of the lower pillar, first, the position of the upper pillar in the circumferential direction with respect to the lower pillar is corrected by the contact guide plate inserted inside the upper pillar, and then the sub guide plate. By guiding the upper pillar laterally to the upper end of the lower pillar, the upper pillar can be easily positioned at the upper end of the lower pillar.

(8) In some embodiments, in the configuration described in (7) above, at the upper end of the lower column, the minimum distance between the first straight line portion and the second side of the upper end is c1, and the first. 2 The minimum distance between the straight line portion and the third side of the upper end is c2, the minimum distance between the sub guide plate and the second side of the upper end is d1, and the sub guide plate and the third side of the upper end are When the minimum distance of is d2, and the sub-guide plate is provided close to the second side, the relationship of c1> d1 is satisfied, and the sub-guide plate is placed on the third side. When they are provided in close proximity, the relationship of c2> d2 is satisfied.

According to the configuration described in (8) above, when the sub guide plate is close to the second side, the minimum distance d1 between the sub guide plate and the second side of the upper end is the first straight line portion and the upper end. It is smaller than the minimum distance c1 with the second side of. On the other hand, when the sub guide plate is provided close to the third side, the minimum distance d2 between the sub guide plate and the third side of the upper end is the second straight line portion and the third side of the upper end. It is smaller than the minimum distance c2. That is, the clearance formed between the sub-guide plate and the inner wall surface of the upper pillar is smaller than the clearance formed between the contact guide plate and the inner wall surface of the upper pillar. Therefore, by providing such a sub-guide plate, the upper pillar can be easily and highly accurately positioned at the upper end of the lower pillar.

(9) The column arrangement method according to at least one embodiment of the present invention is a column arrangement method in which the upper column is arranged at the upper end of the lower column in the column arrangement structure according to (1) above, and is a floor surface. The lower pillar installation step of installing the lower pillar on the floor, the upper pillar lifting step of lifting the upper pillar above the lower pillar installed on the floor surface, and the upper pillar lifted above the lower pillar. It is provided with an upper pillar lowering step of lowering the upper pillar toward the upper end of the lower pillar so that the main guide plate is inserted into the pillar.

According to the method described in (9) above, in the upper pillar descent step, the upper pillar is directed toward the upper end of the lower pillar so that the main guide plate is inserted inside the upper pillar suspended above the lower pillar. And lower it. Therefore, even if the upper pillar tries to rotate while the main guide plate is inserted inside the upper pillar, the main guide plate and the inner wall surface of the upper pillar interfere with each other, and the rotation of the upper pillar can be suppressed. .. Therefore, it is possible to prevent the upper pillar from rotating while the upper pillar is descending, and to easily position the upper pillar at the upper end of the lower pillar.

(10) The column arrangement method according to at least one embodiment of the present invention is a column arrangement method in which the upper column is arranged at the upper end of the lower column in the column arrangement structure according to (5) above, and is a floor surface. The lower pillar installation step of installing the lower pillar on the floor, the upper pillar lifting step of lifting the upper pillar above the lower pillar installed on the floor surface, and the upper pillar lifted above the lower pillar. It is provided with an upper pillar lowering step of lowering the upper pillar toward the upper end of the lower pillar in a state where the contact guide plate is in surface contact with the inner wall surface of the pillar.

According to the method described in (10) above, in the upper pillar descent step, the upper pillar is placed on the lower pillar in a state where the contact guide plate is in surface contact with the inner wall surface of the upper pillar suspended above the lower pillar. Lower towards the top. Therefore, the rotation of the upper pillar can be suppressed, and the position of the upper pillar in the circumferential direction with respect to the lower pillar can be adjusted. Therefore, by lowering the upper pillar while the inner wall surface of the upper pillar is in surface contact with the contact guide plate, the upper pillar is prevented from rotating while the upper pillar is being lowered, and the upper pillar is made to be the lower pillar. It can be easily positioned at the upper end.

According to at least one embodiment of the present invention, the upper pillar can be easily positioned at the upper end of the lower pillar by suppressing the rotation of the upper pillar during the descent of the upper pillar.

It is a perspective view which shows the lower pillar and the upper pillar to which the pillar arrangement structure which concerns on 1st Embodiment of this invention is applied. It is a schematic block diagram which shows the structure of the main guide plate which concerns on 1st Embodiment of this invention. It is a perspective view which shows the lower pillar and the upper pillar to which the pillar arrangement structure which concerns on the modification of 1st Embodiment of this invention is applied. It is explanatory drawing for demonstrating the structure of the sub guide plate which concerns on the modification of 1st Embodiment of this invention. It is a perspective view which shows the lower pillar and the upper pillar to which the pillar arrangement structure which concerns on 2nd Embodiment of this invention is applied. It is a schematic block diagram which shows the structure of the contact guide plate which concerns on 2nd Embodiment of this invention. It is a perspective view which shows the lower pillar and the upper pillar which apply the pillar arrangement structure which concerns on the modification of 2nd Embodiment of this invention. It is explanatory drawing for demonstrating the structure of the sub guide plate which concerns on the modification of 2nd Embodiment of this invention. It is a perspective view which shows the lower pillar and the upper pillar which apply the pillar arrangement structure which concerns on still another modification of 2nd Embodiment of this invention. It is a flowchart of the pillar arrangement method which concerns on 1st Embodiment of this invention. It is a flowchart of the pillar arrangement method which concerns on 2nd Embodiment of this invention.

Hereinafter, some embodiments of the present invention will be described with reference to the accompanying drawings. However, the dimensions, materials, shapes, relative arrangements, etc. of the components described as embodiments or shown in the drawings are not intended to limit the scope of the present invention to this, and are merely explanatory examples. Absent.

(First Embodiment)
FIG. 1 is a perspective view showing a lower column and an upper column to which the column arrangement structure according to the first embodiment of the present invention is applied. As shown in FIG. 1, the lower pillar 2 extends in the vertical direction when installed on the floor surface 4. The lower pillar 2 has a regular square cylinder shape by being surrounded by four wall members 3A, 3B, 3C, 3D, and the inner wall surface 5 of the lower pillar 2 has four wall members 3A, 3B, 3C. , Includes each of the 3D inner walls. Further, the upper end 6 of the lower pillar 2 is open, and the inner peripheral edge 8 of the upper end 6 of the lower pillar 2 has a square shape. In the first embodiment, the wall member 3B is arranged so as to face the wall member 3A, and the wall member 3D is arranged so as to face the wall member 3C.

A main guide plate 10 is provided on the lower pillar 2. The main guide plate 10 has a plate-like shape and projects upward from the upper end 6 of the lower pillar 2. A flange portion 14 is provided at the lower end 12 of the main guide plate 10. The flange portion 14 is for fixing the main guide plate 10 to the lower pillar 2. For example, a part of the flange portion 14 is the inner wall surface 5 of the lower pillar 2 (in the first embodiment, the wall member 3A and the flange portion 14 are used. It is integrally attached to the portion where the wall member 3D is connected and the portion where the wall member 3B and the wall member 3C are connected).

FIG. 2 is a schematic configuration diagram showing the configuration of the main guide plate according to the first embodiment of the present invention, and is a top view of the lower pillar 2 shown in FIG. 1 as viewed from above. As shown in FIG. 2, the main guide plate 10 extends from one end 16 to 18 of the diagonal line on the inner peripheral edge 8 of the upper end 6 of the lower pillar 2. The one end portion 16 is a portion formed by connecting the wall member 3A and the wall member 3D, and the other end portion 18 is a portion formed by connecting the wall member 3B and the wall member 3C. is there. In FIG. 2, one end 16 and the other end 18 are indicated by broken lines.

Further, even if the main guide plate 10 is configured to be smoothly inserted into the upper pillar 17 (preventing the main guide plate 10 and the inner wall surface of the upper pillar 17 from interfering with each other during the descent of the upper pillar 17). Good. At this time, both ends of the main guide plate 10 are cut out so as to be close to the inner wall surface of the upper pillar 17.

As shown in FIG. 1, the main guide plate 10 may include a first straight line portion 10a, a second straight line portion 10b, a first diagonal line portion 10c, and a second diagonal line portion 10d. The first straight line portion 10a is a portion extending upward along the vertical direction from one end portion 16 of the upper end 6 of the lower pillar 2. The second straight line portion 10b is a portion extending upward along the vertical direction from the other end portion 18 of the upper end 6 of the lower pillar 2. The first shaded portion 10c is a portion extending upward from the tip end 10e of the first straight line portion 10a toward the other end portion 18 side along a direction intersecting the vertical direction. The second shaded portion 10d is a portion extending upward from the tip end 10f of the second straight line portion 10b toward the one end portion 16 side along a direction intersecting the vertical direction. In the first embodiment, the tip of the first shaded portion 10c and the tip of the second shaded portion 10d are connected.

The upper pillar 17 extends along the vertical direction and is arranged at the upper end 6 of the lower pillar 2. The upper pillar 17 has a regular square cylinder shape by being surrounded by four wall members 19A, 19B, 19C, 19D, and the inner wall surface 21 of the upper pillar 17 has four wall members 19A, 19B, 19C. , 19D includes each of the inner walls. Further, the lower end 20 of the upper pillar 17 is open, and the inner peripheral edge 22 of the lower end 20 of the upper pillar 17 has the same shape as the inner peripheral edge 8 of the upper end 6 of the lower pillar 2 and has a square shape. .. In the present embodiment, the wall member 19B is arranged so as to face the wall member 19A, and the wall member 19D is arranged so as to face the wall member 19C.

Further, in order to temporarily fix the position and angle of the upper pillar 17 arranged at the upper end 6 of the lower pillar 2, the erection piece 42 may be provided on the outer peripheral surface of the lower pillar 2 and the outer peripheral surface of the upper pillar 17. ..

The operation and effect of the column arrangement structure according to the first embodiment of the present invention will be described. According to the first embodiment, since the main guide plate 10 projects upward from the upper end 6 of the lower pillar 2, the upper pillar 17 is placed on the lower pillar 17 in order to arrange the upper pillar 17 on the upper end 6 of the lower pillar 2. When descending toward the upper end 6 of 2, the main guide plate 10 is inserted into the upper pillar 17. Since the main guide plate 10 extends from one end 16 to the other end 18 of the diagonal line on the inner peripheral edge 8 of the upper end 6 of the lower pillar 2, the main guide plate 10 is inserted into the upper pillar 17. Even if the upper pillar 17 tries to rotate, the main guide plate 10 and the inner wall surface 5 of the upper pillar 17 interfere with each other, and the rotation of the upper pillar 17 can be suppressed. Therefore, the upper pillar 17 can be easily positioned at the upper end 6 of the lower pillar 2 by suppressing the rotation of the upper pillar 17 during the descent of the upper pillar 17.

Further, according to the first embodiment, only the upper pillar 17 is lowered toward the upper end 6 of the lower pillar 2, and the inner peripheral edge 22 of the lower end 20 of the upper pillar 17 is the first diagonal line portion 10c and the second diagonal line portion 10d. It is possible to automatically correct the deviation of the horizontal position of the upper pillar 17 and the deviation of the position in the circumferential direction with respect to the lower pillar 2 by interfering with at least one of them. Therefore, even if the horizontal position or the circumferential position of the upper pillar 17 with respect to the lower pillar 2 is deviated, the upper pillar 17 can be moved in the horizontal direction simply by lowering the upper pillar 17 toward the upper end 6 of the lower pillar 2. And can be positioned in the circumferential direction.

In the first embodiment, the main guide plate 10 is provided on the lower pillar 2, and when the upper pillar 17 is arranged at the upper end 6 of the lower pillar 2, the main guide plate 10 is inserted inside the upper pillar 17. However, the present invention is not limited to this embodiment. In another embodiment of the present invention, the column arrangement structure is a lower column extending in the vertical direction and having a square cylinder shape, and an upper column extending in the vertical direction and arranged at the upper end of the lower column. The upper pillar having a square cylinder shape and the upper main guide plate protruding from the lower end of the upper pillar are provided, and the upper main guide plate is directed from one end to the other end of the diagonal line on the inner peripheral edge of the lower end of the upper pillar. Is extended.

(Modified example of the first embodiment)
A modified example of the first embodiment of the present invention will be described with reference to FIGS. 3 and 4. The modified example of the first embodiment is the one in which the sub guide plate 24 is added to the lower pillar 2 described in the first embodiment, and the other configurations are the same as the configurations described in the first embodiment. In the modified example of the first embodiment, the same components as those of the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 3 is a perspective view showing a lower column and an upper column to which the column arrangement structure according to the modified example of the first embodiment of the present invention is applied. As shown in FIG. 3, the lower pillar 2 may be provided with the sub guide plate 24. The sub-guide plate 24 projects upward from the upper end 6 of the lower pillar 2, and has a shorter length along the vertical direction than the first straight line portion 10a and the second straight line portion 10b. In the second embodiment, the lower pillar 2 is provided with four sub-guide plates 24, and the first sub-guide plates 24A (24) are attached to each of the wall members 3A and 3B, and the wall members 3C and 3D are attached. A second sub-guide plate 24B (24) is attached to each of the above. Further, each of the four sub-guide plates 24 has a smaller protruding size toward the inner wall surface of the wall members 3A, 3B, 3C, and 3D to which each of the four sub-guide plates 24 is attached. That is, the upper end surface of the sub guide plate 24 is formed on an inclined surface.

FIG. 4 is an explanatory diagram for explaining the configuration of the sub guide plate according to the modified example of the first embodiment of the present invention. The direction from the wall member 3A to the wall member 3B (vertical direction on the paper surface of FIG. 4) is described as the first direction, and the direction from the wall member 3C to the wall member 3D (horizontal direction on the paper surface of FIG. 4) is the second direction. Will be described and explained. The first direction is a direction perpendicular to the second direction and orthogonal to the wall member 3A and the wall member 3B.

At the upper end 6 of the lower pillar 2, the minimum distance between the first straight line portion 10a in the first direction and the inner peripheral edge 8 of the upper end 6 (in the present embodiment, the inner wall surface of the wall member 3A) is a1, and the second in the first direction. The minimum distance between the straight portion 10b and the inner peripheral edge 8 of the upper end 6 (in the present embodiment, the inner wall surface of the wall member 3B) is a2, and the minimum distance between the first sub-guide plate 24A in the first direction and the inner peripheral edge 8 of the upper end 6 When the distance is b, the relationship of a1> b and a2> b is satisfied.

Further, at the upper end 6 of the lower pillar 2, the minimum distance between the first straight line portion 10a in the second direction and the inner peripheral edge 8 of the upper end 6 (in the present embodiment, the inner wall surface of the wall member 3D) is a3, and the minimum distance is set in the second direction. The minimum distance between the second straight line portion 10b and the inner peripheral edge 8 of the upper end 6 (in the present embodiment, the inner wall surface of the wall member 3C) is a4, the second sub-guide plate 24B in the second direction and the inner peripheral edge 8 of the upper end 6 When the minimum distance of is b2, the relationship of a3> b2 and a4> b2 is satisfied.

The operation and effect of the column arrangement structure according to the modified example of the first embodiment of the present invention will be described. According to the modified example of the first embodiment, the lower pillar 2 is further provided with the first sub guide plate 24A and the second sub guide plate 24B protruding upward from the upper end 6 of the lower pillar 2. The first sub-guide plate 24A and the second sub-guide plate 24B have a shorter length along the vertical direction than the first straight line portion 10a and the second straight line portion 10b of the main guide plate 10.

Further, in the first direction, the minimum distance b between the first sub-guide plate 24A and the inner peripheral edge 8 of the upper end 6 is the minimum distance a1 and the second straight line portion 10b between the first straight line portion 10a and the inner peripheral edge 8 of the upper end 6. It is smaller than the minimum distance a2 between the upper end 6 and the inner peripheral edge 8 of the upper end 6. That is, when the upper pillar 17 is arranged at the upper end 6 of the lower pillar 2, the size of the clearance formed between the first sub-guide plate 24A and the inner wall surface 21 of the upper pillar 17 in the first direction is the main. The clearance formed between the guide plate 10 and the inner wall surface 21 of the upper pillar 17 is smaller than the size in the first direction, and the first sub guide plate 24A lowers the upper pillar 17 with higher accuracy than the main guide plate 10. It can be positioned at the upper end 6 of the pillar 2.

Similarly, in the second direction, the minimum distance b2 between the second sub-guide plate 24B and the inner peripheral edge 8 of the upper end 6 is the minimum distance a3 and the second straight line portion between the first straight line portion 10a and the inner peripheral edge 8 of the upper end 6. It is smaller than the minimum distance a4 between 10b and the inner peripheral edge 8 of the upper end 6. That is, when the upper pillar 17 is arranged at the upper end 6 of the lower pillar 2, the size of the clearance formed between the second sub-guide plate 24B and the inner wall surface 21 of the upper pillar 17 in the second direction is the main. The clearance formed between the guide plate 10 and the inner wall surface 21 of the upper pillar 17 is smaller than the size of the clearance formed in the second direction, and the second sub guide plate 24B provides the upper pillar 17 with higher accuracy than the main guide plate 10. It can be positioned at the upper end 6 of the lower pillar 2.

Therefore, when arranging the upper pillar 17 at the upper end 6 of the lower pillar 2, first, the horizontal position and the circumferential position of the upper pillar 17 with respect to the lower pillar 2 by the main guide plate 10 inserted inside the upper pillar 17 Then, by guiding the upper pillar 17 to a predetermined position of the upper end 6 of the lower pillar 2 by the first sub guide plate 24A and the second sub guide plate 24B, the upper pillar 17 is guided to the upper end 6 of the lower pillar 2. It can be positioned easily and with high accuracy.

In the modified example of the first embodiment, the case where the first sub-guide plate 24A and the second sub-guide plate 24B are provided on the lower pillar 2 has been described, but the present invention is not limited to this embodiment. Only the first sub-guide plate 24A may be provided on the lower pillar 2, or only the second sub-guide plate 24B may be provided on the lower pillar 2. Further, in the modified example of the first embodiment, two first sub guide plates 24A are provided on the lower pillar 2, but the present invention is not limited to this embodiment, and one first sub on the lower pillar 2. A guide plate 24A may be provided. Similarly, one second sub guide plate 24B may be provided on the lower pillar 2.

Further, in the modified example of the first embodiment, when the lower pillar 2 is viewed from above, the first sub-guide plate 24A and the second sub-guide plate 24B are separated from the inner wall surface 5 of the lower pillar 2. The invention is not limited to this embodiment. In some embodiments, the minimum distance b and the minimum distance b2 may be zero.

(Second Embodiment)
FIG. 5 is a perspective view showing a lower column and an upper column to which the column arrangement structure according to the second embodiment of the present invention is applied. As shown in FIG. 5, the lower pillar 102 extends in the vertical direction when installed on the floor surface 104. The lower pillar 102 has a regular square cylinder shape by being surrounded by four wall members 103A, 103B, 103C, 103D, and the inner wall surface 105 of the lower pillar 102 has four wall members 103A, 103B, 103C. , 103D includes each of the inner walls. Further, the upper end 106 of the lower pillar 102 is open, and the inner peripheral edge 108 of the upper end 106 of the lower pillar 102 has a square shape. In the second embodiment, the wall member 103B is arranged so as to face the wall member 103A, and the wall member 103D is arranged so as to face the wall member 103C.

The lower pillar 102 is provided with a contact guide plate 110. The contact guide plate 110 has a plate-like shape and projects upward from the upper end 106 of the lower pillar 102. A flange portion 114 is provided at the lower end 112 of the contact guide plate 110. The flange portion 114 is for fixing the contact guide plate 110 to the lower pillar 102, and for example, a part of the flange portion 114 is integrally attached to the inner wall surface 105 of the lower pillar 102.

FIG. 6 is a schematic configuration diagram showing the configuration of the contact guide plate according to the second embodiment of the present invention, and is a top view of the lower pillar 102 shown in FIG. 5 as viewed from above. As shown in FIG. 6, the contact guide plate 110 is one end of a first side 130 which is one side of the inner peripheral edge 108 of the upper end 106 of the lower pillar 102 so as to face the inner wall surface of the wall member 103B in close proximity to each other. It extends from 131 toward the other end 132. In the second embodiment, the inner wall surface of the wall member 103B is the first side 130, and one end 131 of the first side 130 is a portion formed by connecting the wall member 103B and the wall member 103C. The other end 132 of the first side 130 is a portion formed by connecting the wall member 103B and the wall member 103D. In FIG. 2, one end 131 and the other 132 are indicated by broken lines.

Further, the contact guide plate 110 is configured to be smoothly inserted into the upper pillar 117 (preventing the contact guide plate 110 and the inner wall surface 121 of the upper pillar 117 from interfering with each other during the descent of the upper pillar 117). May be done. At this time, both ends of the contact guide plate 10 are cut out so as to be close to the inner wall surface 121 of the upper pillar 117.

As shown in FIG. 5, the contact guide plate 110 may include a first straight line portion 110a, a second straight line portion 110b, a first diagonal line portion 110c, and a second diagonal line portion 110d. The first straight line portion 110a is a portion extending upward along the vertical direction from one end 131 of the first side 130 of the upper end 106 of the lower pillar 102. The second straight line portion 110b is a portion extending upward along the vertical direction from the other end 132 of the first side 130 of the upper end 106 of the lower pillar 102. The first shaded portion 110c is a portion extending upward from the tip 110e of the first straight line portion 110a toward the other end 132 side along the direction intersecting the vertical direction. The second shaded portion 110d is a portion extending upward from the tip end 110f of the second straight line portion 110b toward the one end portion 131 side along the direction intersecting the vertical direction. In the second embodiment, the tip of the first shaded portion 110c and the tip of the second shaded portion 110d are connected.

The upper pillar 117 extends along the vertical direction and is arranged at the upper end 106 of the lower pillar 102. The upper pillar 117 has a regular square cylinder shape by being surrounded by four wall members 119A, 119B, 119C, 119D, and the inner wall surface 121 of the upper pillar 117 has four wall members 119A, 119B, 119C. , 119D includes each of the inner walls. Further, the lower end 120 of the upper pillar 117 is open, and the inner peripheral edge 122 of the lower end 120 of the upper pillar 117 has the same shape as the inner peripheral edge 108 of the upper end 106 of the lower pillar 102 and has a square shape. .. In the second embodiment, the wall member 119B is arranged so as to face the wall member 119A, and the wall member 119D is arranged so as to face the wall member 119C.

Further, in order to temporarily fix the position and angle of the upper pillar 117 arranged at the upper end 106 of the lower pillar 102, the erection piece 142 may be provided on the outer peripheral surface of the lower pillar 102 and the outer peripheral surface of the upper pillar 117. ..

The operation and effect of the column arrangement structure according to the second embodiment of the present invention will be described. According to the second embodiment, the contact guide plate 110 extends from one end 131 of the first side 130 toward the other end 132. Therefore, by bringing the inner wall surface 121 of the upper pillar 117 into surface contact with the contact guide plate 110, the rotation of the upper pillar 117 can be suppressed and the position of the upper pillar 117 with respect to the lower pillar 102 in the circumferential direction is adjusted. be able to. Therefore, by lowering the upper pillar 117 in a state where the inner wall surface 121 of the upper pillar 117 is in surface contact with the contact guide plate 110, the upper pillar 117 is prevented from rotating while the upper pillar 117 is being lowered. , The upper pillar 117 can be easily positioned at the upper end 106 of the lower pillar 102.

Further, according to the second embodiment, only by lowering the upper pillar 117 toward the upper end 106 of the lower pillar 102, the inner peripheral edge 122 of the lower end 120 of the upper pillar 117 becomes the first diagonal line portion 110c and the second diagonal line portion 110d. It is possible to automatically correct the deviation of the horizontal position of the upper pillar 117 and the deviation of the position in the circumferential direction with respect to the lower pillar 102 by interfering with at least one of them. Therefore, even if the horizontal position or the circumferential position of the upper pillar 117 with respect to the lower pillar 102 is deviated, the upper pillar 117 can be moved in the horizontal direction simply by lowering the upper pillar 117 toward the upper end 106 of the lower pillar 102. And can be positioned in the circumferential direction.

(Modified example of the second embodiment)
A column arrangement structure according to a modified example of the second embodiment of the present invention will be described with reference to FIGS. 7 and 8. The modified example of the second embodiment is the one in which the sub guide plate 124 is added to the lower pillar 102 described in the second embodiment, and the other configurations are the same as the configurations described in the second embodiment. In the modified example of the second embodiment, the same reference numerals as those of the constituent requirements of the second embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 7 is a perspective view showing a lower column and an upper column to which the column arrangement structure according to the modified example of the second embodiment of the present invention is applied. As shown in FIG. 7, the lower pillar 102 may be provided with the sub guide plate 124. The sub-guide plate 124 projects upward from the upper end 106 of the lower pillar 102, and has a shorter length along the vertical direction than the first straight line portion 110a and the second straight line portion 110b. In the modified example of the second embodiment, the lower pillar 102 is provided with two sub guide plates 124. The first sub-guide plate 124A (124) is attached to the wall member 103C so that the size of the first sub-guide plate 124A (124) protrudes toward the inner wall surface of the wall member 103C. The second sub-guide plate 124B (124) is attached to the wall member 103D so that the size of the second sub-guide plate 124B (124) protrudes toward the inner wall surface of the wall member 103D.

FIG. 8 is an explanatory diagram for explaining the configuration of the sub guide plate according to the modified example of the second embodiment of the present invention. The direction from the wall member 103A to the wall member 103B (vertical direction on the paper surface in FIG. 8) is described as the first direction, and the direction from the wall member 103C to the wall member 103D (horizontal direction on the paper surface in FIG. 4) is the second direction. Will be described and explained. The first direction is a direction perpendicular to the second direction and orthogonal to the wall member 103A and the wall member 103B.

The first sub-guide plate 124A is provided close to the second side 134 (that is, the inner wall surface of the wall member 3C) connected to one end 131 of the first side 130, and the second sub-guide plate 124B is the first side. It is provided close to the third side 136 (that is, the inner wall surface of the wall member 3D) connected to the other end 132 of the 130.

Specifically, at the upper end 106 of the lower column 102, the minimum distance between the first straight line portion 110a in the second direction and the second side 134 of the upper end 106 is c1, and the second straight line portion 110b and the upper end 106 in the second direction. The minimum distance to the third side 136 is c2, the minimum distance between the first sub guide plate 124A in the second direction and the second side 134 of the upper end 106 is d1, and the second sub guide plate 124B and the upper end 106 in the second direction. When the minimum distance from the third side 136 is d2, the relationship of c1> d1 and c2> d2 is satisfied.

The operation and effect of the column arrangement structure according to the modified example of the second embodiment of the present invention will be described. According to the modified example of the second embodiment, the lower pillar 102 is further provided with the first sub guide plate 124A and the second sub guide plate 124B protruding upward from the upper end 106 of the lower pillar 102. The first sub-guide plate 124A and the second sub-guide plate 124B have a shorter length along the vertical direction than the first straight line portion 110a and the second straight line portion 110b of the contact guide plate 110. Further, the first sub guide plate 124A is provided close to the second side 134, and the second sub guide plate 124B is provided close to the third side 136.

That is, the first sub-guide plate 124A and the second sub-guide plate 124B position the upper pillar 117 at the upper end 106 of the lower pillar 102 in the horizontal direction in which the contact guide plate 110 extends (first direction). can do. Therefore, when arranging the upper pillar 117 at the upper end 106 of the lower pillar 102, first, the position of the upper pillar 117 in the circumferential direction with respect to the lower pillar 102 is corrected by the contact guide plate 110 inserted inside the upper pillar 117. Next, by guiding the upper pillar 117 to the upper end 106 of the lower pillar 102 in the first direction by the first sub guide plate 124A and the second sub guide plate 124B, the upper pillar 117 is guided to the upper end 106 of the lower pillar 102. Can be easily positioned.

Further, according to the modified example of the second embodiment, in the second direction, the minimum distance d1 between the first sub-guide plate 124A and the second side 134 of the upper end 106 is the second of the first straight line portion 110a and the upper end 106. It is smaller than the minimum distance c1 with the side 134. Further, the minimum distance d2 between the second sub-guide plate 124B and the third side 136 of the upper end 106 is smaller than the minimum distance c2 between the second straight line portion 110b and the third side 136 of the upper end 106.

That is, when the upper pillar 117 is arranged on the upper end 106 of the lower pillar 102, the size of the clearance formed between the first sub-guide plate 124A and the inner wall surface 121 of the upper pillar 117 in the second direction is the same. It is smaller than the size of the clearance formed between the contact guide plate 110 and the inner wall surface 121 of the upper pillar 117 in the second direction. Further, the size of the clearance formed between the second sub-guide plate 124B and the inner wall surface 121 of the upper pillar 117 in the second direction is set between the contact guide plate 110 and the inner wall surface 121 of the upper pillar 117. It is smaller than the size of the clearance formed in the second direction. Therefore, by providing the first sub-guide plate 124A and the second sub-guide plate 124B, the upper pillar 117 can be easily and highly accurately positioned at the upper end 106 of the lower pillar 102.

In the modified example of the second embodiment, both the first sub-guide plate 124A and the second sub-guide plate 124B are provided on the lower pillar 102, but the present invention is not limited to this embodiment. In the above embodiment, the lower pillar 102 may be provided with only one of the first sub-guide plate 124A and the second sub-guide plate 124B.

Further, in the modified example of the second embodiment, when the lower pillar 102 is viewed from above, the first sub-guide plate 124A and the second sub-guide plate 124B are separated from the inner wall surface 105 of the lower pillar 102. The invention is not limited to this embodiment. In some embodiments, the minimum distance d1 and the minimum distance d2 may be zero.

FIG. 9 is a perspective view showing a lower column and an upper column to which the column arrangement structure according to still another modification of the second embodiment of the present invention is applied. As shown in FIG. 9, in still another modification of the second embodiment of the present invention, the lower pillar 102 may be further provided with a third guide plate 124C. The third guide plate 124C is attached to the wall member 103A so that the size of the third guide plate 124C protrudes toward the inner wall surface of the wall member 103A. That is, the third guide plate 124C can guide the upper pillar 117 to the upper end 106 of the lower pillar 102 in the first direction so as to supplement the guidance of the contact guide plate 110.

(Pillar arrangement method of the first embodiment)
FIG. 10 is a flowchart of a pillar arrangement method according to the first embodiment of the present invention. In the column arrangement method according to the first embodiment of the present invention, in order to join the lower column 2 and the upper column 17 to which the column arrangement structure described in the first embodiment is applied, the upper column 6 is attached to the upper end 6 of the lower column 2. 17 is a method of arranging. Such a pillar arrangement method includes a lower pillar installation step S1, an upper pillar lifting step S2, and an upper pillar lowering step S3. In the lower pillar installation step S1, the lower pillar 2 is installed on the floor surface 4. In the upper pillar lifting step S2, the upper pillar 17 is lifted above the lower pillar 2 installed on the floor surface 4. The upper pillar 17 is lifted above the lower pillar 2 by, for example, a crane. In the upper pillar lowering step S3, the upper pillar 17 is lowered toward the upper end 6 of the lower pillar 2 so that the main guide plate 10 is inserted into the upper pillar 17 suspended above the lower pillar 2.

According to such a method, even if the upper pillar 17 tries to rotate while the main guide plate 10 is inserted inside the upper pillar 17, the main guide plate 10 and the inner wall surface 21 of the upper pillar 17 interfere with each other. , The rotation of the upper pillar 17 can be suppressed. Therefore, the upper pillar 17 can be easily positioned at the upper end 6 of the lower pillar 2 by suppressing the rotation of the upper pillar 17 during the descent of the upper pillar 17.

(Pillar arrangement method of the second embodiment)
FIG. 11 is a flowchart of a pillar arrangement method according to a second embodiment of the present invention. In the column arrangement method according to the second embodiment of the present invention, in order to join the lower column 102 and the upper column 117 to which the column arrangement structure described in the second embodiment is applied, the upper column is attached to the upper end 106 of the lower column 102. It is a method of arranging 117. Such a pillar arrangement method includes a lower pillar installation step S101, an upper pillar lifting step S102, and an upper pillar lowering step S103. In the lower pillar installation step S101, the lower pillar 102 is installed on the floor surface 104. In the upper pillar lifting step S102, the upper pillar 117 is lifted above the lower pillar 102 installed on the floor surface 104. The upper pillar 117 is lifted above the lower pillar 102 by, for example, a crane. In the upper pillar descent step S103, the upper pillar 117 is brought toward the upper end 106 of the lower pillar 102 in a state where the contact guide plate 110 is in surface contact with the inner wall surface 121 of the upper pillar 117 suspended above the lower pillar 102. Let it descend.

According to such a method, by bringing the contact guide plate 110 into surface contact with the inner wall surface 121 of the upper pillar 117 suspended above the lower pillar 102, the rotation of the upper pillar 117 is suppressed and the lower pillar 102 is suppressed. After aligning the position of the upper pillar 117 with respect to the circumferential direction, the upper pillar 117 can be lowered toward the upper end 106 of the lower pillar 102, so that the upper pillar 117 can be easily positioned at the upper end 106 of the lower pillar 102. Can be done.

Although the column arrangement structure and the column arrangement method according to the first to second embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiment and does not deviate from the object of the present invention. Various changes are possible.

2 Lower pillar 4 Floor surface 5 Inner wall surface of lower pillar 6 Upper end of lower pillar 8 Inner peripheral edge of upper end of lower pillar 10 Main guide plate 10a 1st straight part 10b 2nd straight part 10c 1st diagonal part 10d 2nd diagonal part 10e Tip of the first straight part 10f Tip of the second straight part 16 One end of the diagonal line 17 Upper pillar 18 The other end of the diagonal line 21 Inner wall surface of the upper pillar 24 Sub guide plate 42 Election piece S1 Pillar installation step S2 Step S3 Upper pillar descent Step

102 Lower pillar 104 Floor surface 105 Inner wall surface of lower pillar 106 Upper end of lower pillar 108 Inner peripheral edge of upper end of lower pillar 110 Contact guide plate 110a First straight part 110b Second straight part 110c First diagonal line part 110d Second diagonal line part 110e Tip of the first straight part 110f Tip of the second straight part 117 Upper pillar 121 Inner wall surface of the upper pillar 124 Sub guide plate 130 First side 131 One end of the first side 132 The other end of the first side 134 Second side 136 Third side 142 Election piece S101 Pillar installation step S102 Step S103 Upper pillar descent step

Claims (10)

A lower pillar that extends along the vertical direction and has a square cylinder shape,
An upper pillar that extends along the vertical direction and is arranged at the upper end of the lower pillar and has a square cylinder shape.
A main guide plate protruding from the upper end of the lower pillar is provided.
The main guide plate has a column arrangement structure extending from one end to the other end of the diagonal line on the inner peripheral edge of the upper end of the lower column. The main guide plate
A first straight line portion extending along the vertical direction from the one end portion of the upper end of the lower pillar, and
A second straight line portion extending along the vertical direction from the other end of the upper end of the lower pillar, and
A first diagonal line portion extending from the tip end of the first straight line portion toward the other end portion side along a direction intersecting with the vertical direction.
The pillar arrangement structure according to claim 1, further comprising a second shaded portion extending from the tip of the second straight line portion toward the one end portion side along a direction intersecting the vertical direction. A sub-guide plate projecting from the upper end of the lower pillar, further comprising a sub-guide plate having a length smaller in the vertical direction than the first straight line portion and the second straight line portion.
At the upper end of the lower pillar
The minimum distance between the first straight line portion and the inner peripheral edge of the upper end is a1,
The minimum distance between the second straight line portion and the inner peripheral edge of the upper end is a2,
When the minimum distance between the sub guide plate and the inner peripheral edge of the upper end is b,
The pillar arrangement structure according to claim 2, wherein a1> b and a2> b are satisfied. A lower pillar that extends along the vertical direction and has a square cylinder shape,
An upper pillar that extends along the vertical direction and is arranged at the upper end of the lower pillar and has a square cylinder shape.
An upper main guide plate protruding from the lower end of the upper pillar is provided.
The upper main guide plate has a pillar arrangement structure extending from one end to the other end of the diagonal line on the inner peripheral edge of the lower end of the upper pillar. A lower pillar that extends along the vertical direction and has a square cylinder shape,
An upper pillar that extends along the vertical direction and is arranged at the upper end of the lower pillar and has a square cylinder shape.
A contact guide plate protruding from the upper end of the lower pillar is provided.
The contact guide plate has a pillar arrangement structure extending from one end to the other end of the first side, which is one side of the inner peripheral edge of the upper end of the lower pillar. The contact guide plate is
A first straight line portion extending in the vertical direction from the one end portion of the first side of the upper end of the lower pillar.
A second straight line portion extending in the vertical direction from the other end of the first side of the upper end of the lower pillar.
A first diagonal line portion extending from the tip end of the first straight line portion toward the other end portion side along a direction intersecting with the vertical direction.
The pillar arrangement structure according to claim 5, further comprising a second shaded portion extending from the tip of the second straight line portion toward the one end portion side along a direction intersecting the vertical direction. A sub-guide plate projecting from the upper end of the lower pillar, further comprising a sub-guide plate having a length smaller in the vertical direction than the first straight line portion and the second straight line portion.
The sub-guide plate is provided close to either a second side connected to the one end portion of the first side and a third side connected to the other end portion of the first side. The pillar arrangement structure according to claim 6. At the upper end of the lower pillar
The minimum distance between the first straight line portion and the second side of the upper end is c1.
The minimum distance between the second straight line portion and the third side of the upper end is c2,
The minimum distance between the sub guide plate and the second side of the upper end is d1.
When the minimum distance between the sub guide plate and the third side of the upper end is d2,
When the sub-guide plate is provided close to the second side,
Satisfy the relationship c1> d1
When the sub-guide plate is provided close to the third side,
The pillar arrangement structure according to claim 7, which satisfies the relationship of c2> d2. A column arrangement method in which the upper column is arranged at the upper end of the lower column in the column arrangement structure according to claim 1.
The lower pillar installation step to install the lower pillar on the floor, and
An upper pillar lifting step for lifting the upper pillar above the lower pillar installed on the floor surface, and
A pillar including an upper pillar lowering step of lowering the upper pillar toward the upper end of the lower pillar so that the main guide plate is inserted into the upper pillar suspended above the lower pillar. Placement method. A column arrangement method for arranging the upper column at the upper end of the lower column in the column arrangement structure according to claim 5.
The lower pillar installation step to install the lower pillar on the floor, and
An upper pillar lifting step for lifting the upper pillar above the lower pillar installed on the floor surface, and
An upper pillar lowering step of lowering the upper pillar toward the upper end of the lower pillar in a state where the contact guide plate is in surface contact with the inner wall surface of the upper pillar suspended above the lower pillar. Pillar placement method.

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