JPS6019104Y2 - Reversing tool for concrete products - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a reversing tool for, for example, a U-shaped side high-grade concrete 12 product.

In recent years, the types and amounts of secondary concrete products used in construction work have increased surprisingly.

The main reason for this is that the client wants the construction process to be shortened, the construction period to be shortened, and to use high-quality, economical products.

These secondary concrete products have different standards, shapes, and dimensions, and in recent years, many of the products have become very heavy, which has resulted in many industrial accidents during construction.

In addition, great care is taken in the transportation and installation of secondary concrete products, but the construction site is greatly affected by weather conditions and the difficulty of scaffolding. This seems to be due to the fact that there are few products that are designed to be easy to use.

Recently, most of the small-scale waterways and gutters are made of secondary concrete products, and the number of long ones is increasing.

Incidentally, since U-shaped grooves and concrete secondary products are generally placed upside down on site, they are sometimes installed by inverting them, but this inversion work has traditionally been done manually by multiple workers.

However, when the U-shaped groove becomes large, it becomes heavy and difficult to handle.

and is unstable. In addition, because gloves are used to handle the product during the coldest months, there is a risk of hands getting caught or dropping the product onto the feet, and especially elderly workers who lack grip strength and may drop the product onto their feet even if they pick it up. there were.

Thus, the present invention was devised to eliminate such conventional drawbacks, and the present invention will be explained below based on embodiments shown in the drawings.

FIG. 1 is a front view showing a reversing tool A for a concrete product B.

In the drawings, reference numeral 1 indicates a horizontal member.

A plurality of through holes 2 are bored at predetermined intervals in the longitudinal direction on both sides of the horizontal member 1.

Moreover, the code|symbol 3 shows a support member.

The support member 3 is substantially perpendicular to both sides of the horizontal member 1,
and is swingably mounted.

That is, the support members 3, 3 are pivotally supported around the sash hole 2 of the horizontal member 1 as a central axis.

The attachment of the support members 3, 3 can be adjusted by the number of through holes 2.

A reversing member 4 is attached to the tip of the supporting member 3.

The reversing member 4 has a reversing rod 7 that locks into a locking hole 6 drilled in the outer circumferential surface 5 of the concrete product B to be reversed, and a bulge 8 formed at the base end of the reversing rod 7. It is formed in the shape of

Moreover, this reversing member 4 has a plurality of spacers 9...
... is loosely fitted.

Reference numeral 10 indicates a guide roller.

The guide roller 10 is rotatably supported inside the support member 3, and is designed to come into contact with the swollen end portion 11 of the concrete product B to be turned over to smoothly perform the turnover.

Further, the reference numeral 9 indicates a spacer fitted into the reversing rod 7 as described above.

A plurality of spacers 9 are fitted onto the reversing rod 7 and are slidable in the longitudinal direction of the reversing rod 7.

Incidentally, this spacer 9 is arranged to close the gap between the outer circumferential surface 5 of the concrete product B and the support member 3, and as shown in FIGS. This makes it possible to deal with differences in the gap with the support member 3.

Further, reference numeral 12 indicates an auxiliary rod.

The auxiliary rod 12 has the same length as the horizontal member 1, and is arranged below the horizontal member 1 with a parallel interval.

In addition, the auxiliary rods 12.12 are provided with through holes 2 at the same positions as the through holes 2 bored in the horizontal member 1.
. . . and a notch 13 . . . are formed.

This auxiliary rod 12 is attached to the through hole 2 in one of the supporting members 3.
The notch 1 is provided in the protrusion 14 which is rotatable around the other supporting member 3.
3 is locked, and an auxiliary rod 12 can be constructed between both supporting members 3, 3.

Furthermore, attachment portions 15.15 are formed at the tips of both support members 3, 3.

In the above, the state of use of the present invention will be explained with reference to FIG.

First, the reversing rods 7, 7 of the reversing tool according to the present invention are inserted into the locking holes 6, 6 of the concrete product B installed upside down.

At this time, both supporting members 3, 3 are attached to both sides of the horizontal member 1 in accordance with the width of the concrete product B.

After inserting the reversing rods 7, 7 into the locking holes 6, 6, the auxiliary rod 12 is rotated to lock the notch 13 in the protrusion 14, and the reversing rods 7, 7 are inserted into the locking holes 6, 6. This is to prevent you from leaving 6.6.

Next, a hanging member is attached to the attachment part 15.15 of the horizontal member 1, and the concrete product B is lifted up by the reversing tool A.

Thereafter, the concrete product B is turned over as shown in FIG.

By the way, as described above, since the guide rollers 10, 10, which are pivotally supported by the support member 3, rotate while contacting the outer circumferential surface 5 of the concrete product B, the concrete product B is not damaged and is smoothly reversed. It has the advantage of being able to

After moving to a predetermined installation position, the reversing rod 7 is pulled out from the locking hole 7, and the reversing operation is completed.

Thus, the present invention has the above configuration, and the reversing tool according to the present invention can easily and safely perform the reversing work of concrete products such as U-shaped grooves, which was previously done manually by workers. It has the great advantage of being able to

[Brief explanation of the drawing]

Fig. 1 is a front view showing the state in which the reversing tool according to the present invention is used, Fig. 2 is an enlarged view of the mounting part, Fig. 3 is an enlarged view of the rotating roller, and Fig. 4 is the state in which the reversing member is attached to the support member. FIGS. 5 and 6 are enlarged views of main parts showing a state in which the reversing member is inserted into a U-shaped groove having a different shape of a swollen portion at its tip. A...Reversing tool, B...Concrete product, 1...Horizontal member, 2...Through hole, 3
...Supporting member, 4...Reversing member, 5.
...Outer surface of concrete product, 6...
Locking hole, 7...Reversing rod, 8...Bulging portion, 9...Spacer, 10...Guide roller, 11...・Bulging part, 12...Auxiliary rod, 13...Notch, 14...Protrusion part,
15...Mounting part.

Claims (1)

[Claims for Utility Model Registration] A horizontal frame member, both support members pivotally supported on both sides of the horizontal frame member so as to be adjustable in the longitudinal direction of the horizontal frame member, and a support member attached to the tip of the support member and inverted. a reversing member that can be locked to the outer circumferential surface of the concrete product to be rotated; a guide roller interposed between the supporting members and the concrete product is pivotally supported; A reversing tool for concrete products, characterized in that an adjustable spacer is interposed to close the gap between the concrete product and the support member.