JPH0692701B2 - Square with base - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a scooper with a base used for assembling a steel structure, etc., in particular, by using aluminum as a material to reduce the weight and a magnet holder on the base. The present invention relates to the one in which the workability in the assembling work is significantly improved and the measurement and the assembling work can be performed by one operator by being detachably attached to the steel column steel etc.

(Prior Art) Conventionally, in the assembly work of a steel frame structure, a column base, which is obtained by cutting a column steel having a rectangular cross section, is linearly welded in the central axis direction of the column through a joint block, while the joint portion is The work of mounting brackets for mounting beams on the three sides or four sides of the block at right angles to the central axis of the column is performed.

In this work, a so-called square with a base (right-angle ruler) is conventionally used to obtain the squareness of the bracket with respect to the central axis of the column.

As shown in FIGS. 5 to 6, the column base 101 and the joint block 103, which are linearly joined to each other in the central axis direction of the column, are horizontally laid on the surface plate to horizontally join the joint block 103. Is used for temporarily attaching the bracket 105 to the upper surface, the left and right side surfaces and the lower surface by welding, and the table 109 of the table-equipped scooter 107 is brought into close contact with the column base 101, and the vertical plate 111 and the upper surface of the bracket 105 are The position of the bracket 105 is adjusted such that the brackets 105 are parallel to each other, that is, the positions a and b in the drawing are equal.

(Problems to be Solved by the Invention) According to the above conventional configuration, there are the following problems.

That is, when the bracket 105 is mounted on the upper surface of the joint block 103, the base 109 is placed on the upper surface of the column base 101 and the vertical plate is placed.
Although you can work while measuring the squareness with 111, on the other hand, when mounting the bracket 105 in the horizontal direction, you need to apply the square with a base 107 to the side of the column base 101 to measure the squareness. There is. For this reason, conventionally, one worker applies the table-mounted scooter 107 to the side surface of the column base 101, while another worker measures the squareness of the bracket 105 and temporarily attaches by welding. Very complicated work is forced. In particular, the conventional scooter with stand is made of iron, and the large one is heavy,
It was a very difficult task.

The present invention has been made on the basis of such a point, and an object thereof is to provide a stand-mounted scooter capable of easily performing a work of measuring a squareness from a lateral direction and an assembling work even by one operator. To provide.

(Means for Solving the Problems) In order to achieve the above object, the scooper with a base according to the first aspect of the present invention is such that the scooper main body including the base and the vertical plate is formed of aluminum, and the suction surface of the base is Turn on magnetic force
A switchable magnet holder that can be turned off is built in, and the stand is detachably formed on an iron column steel or the like.

The scooper with stand according to the second aspect is characterized in that in the scooper with stand according to claim 1, the scooper main body is subjected to surface hardening treatment of aluminum.

(Operation) In the case of the scooper with a base according to the first claim, in the work of attaching the bracket from the lateral direction to the joint block, the worker first applies the base of the scooter with a base to the side surface of the column base,
By operating the switching lever of the magnet holder provided on the table, the magnetic force of the attracting surface is turned on, and the magnet is fixed while attracted to the side surface.

Then, using the vertical plate of the square with a base as a ruler, measure the distance between the vertical plate and the horizontal part of the upper surface of the bracket at two places with a scale, etc., and adjust the position of the bracket so that the intervals between them are equal, and The joint block and the bracket are temporarily attached by welding and assembled.

The scooter with base is made of aluminum and is therefore easy to measure, and because of the measure, it can be attached to the column base by a magnet holder. Therefore, the worker can perform this measurement and assembly work by himself.

Next, in the case of the second claim, this is that the surface of the square body is surface-hardened and the surface hardness is high, so that it may be scratched or worn during work at the work site. Can be prevented, and high precision can always be maintained.

(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. 1 to 4.

FIG. 1 is a perspective view showing the structure of a scooper with a base according to the present embodiment, in which reference numeral 1 is a scooper main body. The square body 1 is composed of a base 3 and a vertical plate 5.

The square body 1 is made of aluminum, and the base 3
The vertical plate 5 is integrally formed by casting in order to increase the strength. The entire square body 1 has a substantially right triangle shape.

The base 3 is entirely formed of a member having a substantially rectangular parallelepiped shape, and the bottom surface thereof is used as the reference surface 7. Then, a vertical plate 5 thinner than the base 3 is raised from the front end edge of the base 3 at a right angle to the reference plane 7, and the front surface thereof serves as a ruler surface 9 and the vertical plate 5
Is extended from the upper part to the rear end of the base 3. or,
The front side portion of the base 3 is formed so that both sides are recessed in an arc shape to serve as a gripping portion, and the inside serves as a storage portion for the magnet holder, and a mounting hole 11 is bored from the reference surface 7 side. , This is penetrated to the back side of the grip portion. The magnet holder 13 is attached to the reference surface 7 of the base 3 by the attraction surface 15 thereof.
Install it so that it matches.

This magnet holder 13 is not box-shaped, but is of a switching type in which the magnetic force of the adsorption surface 15 can be turned on / off by operating a switching lever 17 provided on the side surface. It is further projected, and the switching operation is performed here. The rear surface of the switching lever 17 of the base 3 is formed with a recess for facilitating the switching operation.

By the way, the aluminum scooper with a stand has a characteristic that it is lightweight, and it can be made significantly lighter than the conventional steel scooper with a stand, which allows the magnet holder 13 to be attached to and detached from the column steel or the like. Has the advantage of.
On the other hand, the aluminum scooper with a stand has a characteristic that the surface is soft, and therefore, there is a possibility that the accuracy may be deteriorated by being scratched or worn during use in the field work. Therefore, in this embodiment, the surface of the square body 1 is surface-hardened.

Specifically, an aluminum alloy AC4C-V virgin material (JIS H5202-1971) is used as a material, and a hard coating is formed on the surface by an anodic oxidation method. The hardness of this coating is extremely high (Brinell hardness of 350 to 400), and its abrasion resistance is also large, so that even if it contacts or slides with a steel frame, scratches and abrasion are prevented.

The surface hardening method is not limited to the above.
For example, other suitable treatment methods such as a method of heat treatment of aluminum alloy can be adopted. Further, the surface treatment may be partially performed on the reference surface 7, the ruler surface 9, and the like.

The operation will be described based on the above configuration.

First, in the assembling work of the steel frame, as shown in FIG. 2, a column base 19 and a joint block 21 obtained by cutting column steel having a rectangular cross section into a predetermined size are linearly welded to each other in the central axis direction of the column.

Next, brackets on three or four sides of the joint block 21.
Install 23 at right angles to the center axis of the column.

This work is usually a state in which the column base 19 and the joint block 21 are laterally laid on the surface plate, and the work for attaching to the upper surface and both left and right side surfaces is performed sequentially, and the lower surface is turned upside down by reversing the column base 19. Do in the state.

Here, the worker applies it to the side surface of the column base 19 of the table 3 of the table-equipped scooter, turns on the switching lever 17 of the magnet holder 13 on the table 3, and turns on the magnetic force of the attraction surface 15 to fix it. Since the square body 1 is made of lightweight aluminum, it can be fixed to the left and right side surfaces by the magnet holder 13 as well as when it is placed on the top surface of the column base 19.

Then, the operator puts the bracket 23 on the joint block 21, and the bracket is set with the surface 9 of the ruler plate 5 as a reference.
Measure the distances (a) and (b) between the ruler surface 9 and the upper surface of the bracket 23 at two locations on both sides of the 23 using a scale or the like, adjust the position of the bracket 23 so that the two locations are equal, and then join the joint block. 21 and bracket 23 are temporarily attached by welding. As a result, the squareness of the bracket 23 with respect to the central axis of the column can be accurately obtained.

According to this embodiment, the following effects can be obtained.

First of all, the aluminum scooper with a stand has a characteristic that it is extremely light in weight as compared with a conventional steel scooter. Therefore,
By forming the base 2 and the vertical plate 3 from aluminum, they can be easily carried and handled as a square with a base, and because they are lightweight, they can be attracted and fixed to the column steel or the like by the magnet holder 13.

Therefore, this measuring and assembling work can be performed by one worker without using a dedicated device such as an assembling jig, which is useful for labor saving.

Further, by applying a surface hardening treatment to the surface of the square body 1, it is possible to prevent wear and scratches from adhering, and it is possible to maintain high accuracy.

In addition, in the present embodiment, the shape of the square with a base is shown as a substantially right triangle having excellent strength, but it may be an appropriate shape such as an L-shape that can exhibit the function of a right angle ruler.

Further, in this embodiment, the strength is increased by the integral molding by casting, but the base and the vertical plate may be separate bodies and fixed at a right angle by screws or an adhesive.

In addition to the above-mentioned usage, the scooper with a base of the present invention is also used for measuring the squareness when mounting the joint block to which the bracket is attached and the column base. It can also be used when measuring various squareness.

(Effects of the Invention) As described in detail above, the scooter with a stand according to the present invention is lightweight, so that it is easy to carry and handle, and moreover, it can be fixed to a column base by a magnet holder, so that it is suitable for assembling steel frames. It is very convenient to use.

Also, by applying a surface hardening treatment to the main body of the square,
It is lightweight and highly durable, and can maintain high accuracy without being scratched or worn during field work.

[Brief description of drawings]

1 to 4 are views showing an embodiment of the present invention. FIG. 1 is a perspective view showing a scooper with a base, FIG. 2 is a side view of the scooter with a base, and FIG. FIG. 4 is a front view of a stand, FIG. 4 is a cross-sectional plan view showing a usage state of a scooper with a stand in an assembly work of a steel frame, and FIG. 5 is an exploded perspective view illustrating a work of measuring a perpendicularity between a conventional column base and a bracket. , FIG. 6 is a perspective view showing the assembled state of the same as above. 1 ... Square body, 3 ... Stand, 5 ... Vertical plate, 13 ... Magnet holder, 15 ... Adsorption surface, 17 ... Switching lever, 19 ... Pillar, 21 ...
Joint block, 23… Bracket.

Claims (2)

[Claims] 1. A scooter main body composed of a base and a vertical plate is made of aluminum, and a built-in switchable magnet holder capable of turning on and off the magnetic force of the attraction surface is attached to and detached from the iron column steel. A scooper with a stand, which is characterized by being freely formed. 2. The scooper with a base according to claim 1, wherein the scooper main body is surface-treated with aluminum.