JPH0455065Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention relates to a concrete block connecting device, and more specifically, a concrete block connecting device used for foot protection work in rivers, etc. It is related to.

[Prior art and its problems]

Traditionally, foot protection work for rivers etc. has been done by installing a large number of concrete blocks molded into a predetermined shape and combining them as appropriate, and then connecting these concrete blocks to each other as necessary to form a cluster.
It is composed of:

By the way, when it is necessary to form an aggregate with a large number of concrete blocks, the connecting fittings protruding from the top or side surfaces of the concrete blocks in an inverted U shape are usually connected to each other via a connecting fitting such as a chain or shackle. However, the manufacturing process is complicated because it is necessary to drill holes on the side of the formwork in order to protrude the connecting metal fittings from the blocks, or to hold the connecting metal fittings in place until the concrete hardens. Also, due to the fact that a large number of concrete blocks are molded, the protruding position of the connecting fittings is limited to the top of the blocks, which makes the connecting work complicated and causes inconvenience when stacking the blocks. Furthermore, it used to have various problems such as the fact that it was not aesthetically pleasing because of the debris that had flowed down.

[Means for solving problems]

Therefore, in this invention, a connecting fitting is placed inside a hat-shaped container that is positioned so as to be recessed from the surface of the concrete block, and a part of this connecting fitting is buried in the concrete block as an anchor, thereby making it possible to process the formwork. The aim is to simplify manufacturing by omitting such troublesome steps, and also to solve various inconveniences that occur during use.

Furthermore, if the hat-shaped container is molded from a flexible synthetic resin and its flexibility is utilized, it will not be affected by the installation conditions or connection conditions of the concrete blocks, and will, for example, be able to straddle the edge of the block. Alternatively, the connecting device can be placed at any position such as on a curved surface, which is preferable.

[Effect]

According to the device for connecting concrete blocks according to this invention, when connecting the blocks to each other, the connecting fittings in the hat-shaped container, which are positioned so as to be recessed from the surface of the blocks, are connected to each other using an appropriate connecting device such as a chain or a shackle. It connects.

〔Example〕

Next, a preferred embodiment of the concrete block connecting device according to the present invention will be described in detail with reference to the accompanying drawings.

In the accompanying drawings, a concrete block connecting device 10 according to the present invention includes a hat-shaped container 12 made of flexible synthetic resin such as vinyl chloride resin, and a main body 1 of the hat-shaped container 12.
A connecting fitting 1 made of, for example, a round steel reinforcing bar or the like processed into a U shape, is disposed on the bottom of 2a with a sealing material 14 interposed therebetween.
6, the main body 12 of the hat-shaped container 12
a is recessed from the surface of the concrete block A and positioned so that its flange 12b is flush with the surface of the concrete block A, while an anchor member 18 such as a bolt is attached to the end 16a of the connecting fitting 16. , by burying this end portion 16a in a concrete block A.

In addition, as a means for positioning the main body 12a of the hat-shaped container 12 in a recessed state from the surface of the concrete block A, the hat-shaped container 12 is fixed at a predetermined location on the inner surface of the formwork C using adhesive B applied to the flange 12b. (see Fig. 3), and only the formwork C needs to be removed after the concrete poured into the formwork C has hardened. In this case, the adhesive B is an adhesive that has the property of not peeling off from the formwork C due to the impact of the concrete poured into the formwork C, weight, pressure, etc., and that can be easily removed when the formwork C is removed. Of course, you can use .

Connecting device 1 according to the present invention configured as described above
When connecting and using concrete blocks having 0, as shown in Fig. 4,
They may be connected to each other using a suitable connecting device D such as a shackle.

FIG. 5 also shows a connection device 10 in which the hat-shaped container 12 is attached to the bent portion of the formwork C by utilizing its flexibility.
This is an embodiment in which the concrete block A is placed on the ridge of the concrete block A, and in this case, the concrete blocks can be suitably connected without being influenced by the installation conditions.

〔effect〕

As mentioned earlier, the connecting device according to the present invention can be obtained by simply attaching the hat-shaped container to a predetermined location inside the formwork, so it is not necessary to process the formwork or to install the connecting fittings. There is no need to hold the connecting fittings until the concrete hardens, which simplifies manufacturing.Also, the installation position of the connecting fittings can be selected as appropriate, and the connecting fittings can be installed in a recessed position from the surface of the concrete block, making for a natural combination. This is convenient even when used in a stacked manner, and furthermore, it is possible to avoid as much as possible the inconvenience of dirt getting caught in the connecting fittings and spoiling the appearance. In addition, it has various advantages such as the ability to easily obtain concrete blocks with various irregularities from ordinary formwork by attaching only a hat-shaped container of a predetermined shape to the appropriate position of the formwork. The effect is extremely large.

Although the preferred embodiment of the concrete block connecting device according to the present invention has been described above, the present invention is not limited to this embodiment, and can be used, for example, in various shapes used in wave breakers, seawalls, etc. It can also be suitably used as a connecting device for concrete blocks, and it goes without saying that various modifications can be made without departing from the spirit of the present invention.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a preferred embodiment of the concrete block connecting device according to the present invention, Fig. 2 is a front view of Fig. 1, and Fig. 3 shows the connecting device shown in Fig. 1 attached to a formwork. FIG. 4 is an explanatory cross-sectional view of the connected state of concrete blocks having the connecting device shown in FIG. 1, and FIG. 5 is a cross-sectional explanatory view showing another embodiment of FIG. 3. 10... Connecting device, 12... Hat-shaped container, 1
4... Sealing material, 16... Connecting metal fittings, 18... Anchor member, A... Concrete block, B...
...Adhesive, C...Formwork.

Claims (1)

[Claims for Utility Model Registration] (1) Consisting of a hat-shaped container positioned so as to be recessed from the surface of a concrete block, and a connecting fitting disposed inside the hat-shaped container,
A concrete block connecting device characterized in that a part of the connecting fitting is buried in the concrete block as an anchor. (2) The concrete block connecting device according to claim 1, which is a utility model, and comprises a hat-shaped container molded from a flexible synthetic resin.