JPH0783953B2 - Column support device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a column supporting device for supporting a column when a backing metal is welded and fixed to the column, and more particularly to a columnar device having a constant diameter in the axial direction as well as a tapered shape. This also applies to the columns in.

[0002]

2. Description of the Related Art A column has, for example, a quadrangular cross section and a hollow shape with a uniform diameter in the axial direction. A diaphragm is welded and fixed to the end surface of the column having such a shape, and as a pretreatment thereof, a backing metal is welded and fixed to the end surface of the column. This backing metal is placed in contact with the entire inner circumference of the column, and is welded and fixed in a state of protruding from the end face of the column by a predetermined amount. Then, the diaphragm is brought into contact with the end surface of the backing metal and welded / fixed.

By the way, when the backing metal is welded and fixed, the column is supported by a column supporting device, and a ruler attached to the column supporting device is arranged at an end face of the column with a predetermined interval. . The backing metal is placed along this ruler and welded and fixed to the column.

[0004]

The above-mentioned conventional structure has the following problems. That is, in the case of the conventional column supporting device, when the diameter of the column is the same in the axial direction, the column supporting device can be supported and the ruler can be arranged parallel to the end face of the column. However, there is a problem in that the ruler cannot be arranged parallel to the end face of the column.

The present invention has been made on the basis of such a point, and an object of the present invention is to support a column formed in a tapered shape in a predetermined state so that the ruler of the column can be supported. It is an object of the present invention to provide a column supporting device that can be arranged parallel to the end surface.

[0006]

In order to achieve the above object, a column supporting device according to the present invention comprises a device main body and a pair of supporting members provided on the device main body, and each supporting member is attached to the upper surface of the column. Column upper surface support means consisting of a fixed support tool having a preset pin projection amount and a movable support tool capable of adjusting the pin projection amount or only a movable support tool, and a pair of column upper surface support means provided on the apparatus body. Consists of a support,
At least one support member is movable toward the other support member, and each support member has a fixed support member having a preset pin protrusion amount with respect to the side surface of the column and a movable support member capable of adjusting the pin protrusion amount. A backing metal which is arranged at a predetermined interval between the column holding means consisting of and or only a movable supporting member and the end face of the column provided on the apparatus body, and is then arranged at the end of the column. And a ruler for restricting the amount of protrusion of. At that time, each support in the column upper surface support means or the column clamping means,
It is conceivable to mount it so as to be movable in the width direction of the column.

[0007]

First, the column supporting device according to the present invention is placed on the upper surface of the column. Next, the upper surface of the column is supported by the column upper surface supporting means to hold the device in a horizontal state. That is, the movable supporting member of the pair of supporting members is operated to adjust the protruding amount of the pin, and the entire apparatus is horizontally held on the upper surface of the column together with the fixed supporting member. Next, the pair of supporting members of the column clamping means are relatively moved to clamp the side surface of the column. At that time, at least one movable support member of the pair of support members is operated to adjust the protruding amount of the pin, and the side surface of the column is clamped together with the fixed support member. By such an operation, the ruler is arranged with a predetermined distance from the end face of the column. After that, using this ruler, the backing metal is placed at the end of the column and welded. If each of the support means for the column upper surface support means and the column clamping means is composed of only a movable support tool, the columns are supported by operating them appropriately. Further, since each support member in the column upper surface supporting means or the column holding means is made movable in the width direction of the column, even if the size of the column is changed, the column corners where the accurate dimension is always present are provided. The support can be positioned, and the positioning accuracy of the backing plate with respect to the column can be maintained at a high level.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. First, there is an apparatus main body 1, and a column upper surface supporting means 3 for supporting an upper surface of a column 2 is attached to the apparatus main body 1. This column upper surface support means 3
Is composed of support members 7, 7'movably attached to the pair of guide shafts 5, 5 '. Support 7
Is composed of a fixed support tool 9 and a movable support tool 11. The fixed support tool 9 and the movable support tool 11 are connected to each other via an arm member 13.
Through the guide shafts 5 and 5 '. The support 7'has the same structure.

As shown in FIGS. 3 and 4, the fixed support member 9 is composed of a bolt 15, a pair of washers 17, 17 and a pin 19. Then, the protrusion amount of the pin 19 is set in advance. On the other hand, the movable support 11 includes, as shown in FIGS. 2 to 8, a screw member 21 fixed to the arm member 13, and a screw member 23 as a pin arranged on the inner peripheral side of the screw member 21. The operation member 25 and the like are arranged on the outer peripheral side of the screw member 21.

At the upper end of the screw member 23, an operating portion 27 is provided.
Is installed. The operation member 25 is screwed with the screw member 21 via the screw portion 26. Also, the screw member 23
Is screwed with the screw member 21 via the screw portion 28.
Further, a scale portion 29 is provided on the outer peripheral surface of the screw member 21. Then, first, the operation member 25 is rotated in an appropriate direction, and the lower end thereof is adjusted to an arbitrary scale of the scale portion 29. Next, the operation portion 27 is rotated to reach a position where the lower end of the operation portion 27 comes into contact with the upper end of the operation member 25.
Move 3 As a result, the screw member 23 is projected by an amount matching the scale. When the scale is 0, the amount of protrusion of the screw member 23 is the same as the amount of protrusion of the pin 19 of the fixed support 9.

A column pinching means 31 for pinching the column 2 from the left-right direction is attached to the apparatus main body 1. The column holding means 31 is composed of a pair of supporting members 33, 33 '. These supports 33, 33 'are attached to each other so as to be separable from each other along a screw shaft 35 (shown in FIG. 5) that is threaded in the opposite direction. Then, by rotating the handle 37 in an appropriate direction, the supporting members 33, 33 'are brought into contact with and separated from each other.

The support 33 is composed of a fixed support 39 and a movable support 41, and the fixed support 39 and the movable support 41 are connected via an arm member 43. As shown in FIG. 5, the fixing bracket 39 is composed of a pin 45, a bolt 45, a washer 47, etc., and the projection amount of the pin 45 is preset. On the other hand, the movable support 41 is configured as shown in FIG. The movable support tool 41 has the same structure as the movable support tool 11 provided in the column upper surface support means 3 already described. As shown in FIG. 4, the support tool 33 ′ is such that the arm member 43 is swingably mounted via the support shaft 42, and both ends of the arm member 43 are fixed support tools 39. Further, the fixed support 39 and the movable support 41 of each of the supports 33 and 33 ′ can move along the elongated holes 48 formed in the arm member 43.

A ruler 49 is attached to the apparatus body 1. The ruler 49 is arranged in parallel to the end surface of the column 2 with a predetermined gap, and in this state, the backing metal 51 is arranged and temporarily welded to the column 2.
That is, the backing metal 51 is disposed so as to abut on the entire inner peripheral surface of the column 2, and is projected to the position where the end surface abuts on the ruler 49. Temporarily weld in that state.

The operation will be described based on the above configuration. First, the column supporting device according to the present embodiment is placed on the tapered column 2. Then, the column upper surface supporting means 3 supports the upper surface of the column 2 to hold the apparatus in a horizontal state. That is, since the fixed support 9 side of each support 7, 7'is already fixed, the movable support 11 side is appropriately operated to adjust the protruding amount of the screw member 23, thereby the entire device. Hold the horizontal.

Next, the left and right side surfaces of the column 2 are clamped by the column clamping means 31. That is, the handle 37 is rotated to bring the support members 33 and 33 'into close proximity to each other,
The side surface of the column 2 is supported to hold the device parallel to the axial direction of the column 2. That is, the fixed support 3 of the support 33
Since 9 is fixed, operate the movable support tool 41 to
The protrusion amount of the screw member 23 is adjusted. Then, while the side surface of the column 2 is supported by the support tool 33, the support tool 33 ′ on the opposite side is movably brought into contact with the side surface of the column 2 to sandwich both side surfaces of the column 2.

Further, in the above operation, the interval between the ruler 49 and the end face of the column 2 is set to a predetermined interval. Then, a back metal 5 is attached to the entire inner peripheral surface of the end of the column 2.
1 is placed in contact. At that time, ruler 4
9 is made to protrude to the position where it abuts. In that state, the backing metal 51 is temporarily welded to the column 2. After that, a diaphragm (not shown) is welded and fixed to the backing plate 51.

As described above, according to this embodiment, even if the column 2 has a tapered shape, it can be supported reliably and accurately. Therefore, the backing plate 51 can be provisionally welded to the tapered column 2 by a simple operation, and the diaphragm can be welded and fixed.

Further, in the column upper surface supporting means 3, the respective supporting tools 7, 7'are movable, and in the column clamping means 31, the respective supporting tools 33, 33 'are fixed. Since the support tool 39 and the movable support tool 41 are movable along the elongated holes 48, even if the size of the column 2 is changed, each support tool is always provided at the corners of the column where accurate dimensions are obtained. Can be located.

The present invention is not limited to the above embodiment. For example, in the column upper surface support means 3,
The two supports of each support 7, 7'may be movable supports. Further, in the column clamping means 31, the pair of supporting members 33, 33 'is movably installed, but one may be fixed and only the other may be moved. Further, although the support tool 33 ′ is configured such that the arm member 43 is swingable and movably brought into contact with the column 2, it may have the same configuration as the support tool 33, or the arm member 43 is fixed. The fixed support 39 may be attached to this, and the column 2 may be brought into contact with it by inserting an elastic body.

Further, the ruler 49 provided on the apparatus main body 1 is also fixed to the apparatus main body 1 in the above-mentioned embodiment, and the apparatus main body 1 is moved to define the distance from the end face of the column 2. The ruler 49 may be attached to the apparatus main body 1 via a movable supporting means, for example, a feed screw mechanism, so that the distance from the end surface of the column 2 may be regulated.

[0021]

As described above in detail, according to the column supporting device of the present invention, a column having a tapered shape is formed by operating the movable supporting members provided on the supporting members of the column upper surface supporting means and the column clamping means. Also, since the ruler can be arranged in a predetermined state, the backing plate and thus the diaphragm can be accurately and easily welded and fixed to a predetermined position of the column. Also, since each support is attached so as to be movable even if the size of the column is changed, accurate positioning can always be performed.

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of the present invention and is a top view of a column supporting device.

FIG. 2 is a front view of the column support device according to the embodiment of the present invention.

FIG. 3 is a side view of the column supporting device, showing an embodiment of the present invention.

FIG. 4 is a side view of the column supporting device when the column is directed to the side opposite to the case of FIG. 3 in a view showing one embodiment of the present invention.

FIG. 5 is a view showing an embodiment of the present invention and is a view showing a part of column holding means.

FIG. 6 is a cross-sectional view of a movable support tool according to an embodiment of the present invention.

FIG. 7 is a view showing an embodiment of the present invention and is a view showing a part of a movable support tool.

FIG. 8 is a diagram showing an embodiment of the present invention and is a cross-sectional view showing a part of a movable support.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device main body 3 Column upper surface support means 7 Support tool 7'Support tool 9 Fixed support tool 11 Movable support tool 31 Column clamping means 33 Support tool 33 'Support tool 39 Fixed support tool 41 Movable support tool

Claims (2)

[Claims] 1. A device main body and a pair of supporting members provided on the device main body, each supporting member having a fixed supporting member and a pin protruding amount set in advance with respect to the upper surface of the column. A column upper surface support means consisting of a movable support that can be adjusted or only a movable support, and a pair of supports provided in the main body of the apparatus, and at least one support is moved toward the other support. At least one of the pair of supporting members is made up of a fixed supporting member having a pin protrusion amount set in advance with respect to the side surface of the column and a movable supporting member capable of adjusting the pin protrusion amount, or only the movable supporting member. And a ruler for restricting the protrusion amount of the backing metal, which is arranged at a predetermined interval between the column holding means provided in the apparatus main body and the end face of the column and is subsequently arranged at the end of the column. Equipped with Column support device. 2. The column support device according to claim 1, wherein each support member in the column upper surface support means or the column clamping means is attached so as to be movable in the width direction of the column.