JP3246253U - Articulated block transport and installation tool - Google Patents

Abstract

[Problem] In the transportation and installation work of articulated blocks, the holding force of a crane is utilized to not only safely transport articulated blocks, but also to safely and easily install articulated blocks while utilizing the holding force of the crane. [Solution] The articulated block transportation and installation tool of this invention has one end of two block hoisting wires 3 with loops on both ends and a hook 4 with a fall prevention lever simultaneously engaged, and the articulated block is transported by passing the wires 3 through the connecting through-holes and then fixing the articulated block with the hooks 4, and while the articulated block is being transported, a connecting rebar 8 is further inserted into the connecting through-holes 7 while still passing the wires 3, thereby utilizing the holding force of the crane to install the articulated block. [Selected drawing] Figure 6

Description

The present invention relates to a transport and installation tool for articulated blocks used when transporting and installing articulated blocks used in river bank protection works, slope covering works, etc.

Articulated blocks are generally used by laying them out on the ground. When laying, use reinforcing bars for laying and connecting them with connecting wires and placing them in a fixed position. An articulated block generally has two connecting holes, through which reinforcing bars or connecting wires are passed and fixed to the ground. Since the articulated blocks are made of concrete and weigh several tens of kilograms each, they are usually lifted by a crane and transported and installed at a predetermined installation location.

When lifting and transporting with the above-mentioned crane, a plurality of articulated blocks may be transported, and it is common to attach a plurality of installation carriers to the crane and transport the articulated blocks.

Japanese Patent Application Laid-Open No. 9-202586 JP2008-222411A JP 2018-039630 A

When adopting a structure in which multiple installation and transport device bodies are hung side by side, as in Patent Document 1, the structure of the device itself is simple and the installation and transport device bodies can be easily attached to the articulated block, but because the device is only fixed to the articulated block on one side, the articulated block can shake during the hanging process during installation, and in some cases the articulated block can fall off, making the process difficult.

The device with multiple plug rods shown in Patent Document 2 is complicated to manufacture and requires a considerable amount of work space at the assembly point, so the overall efficiency of the work is not high.

Although shaking can be prevented with the instrument having the spacer shown in Patent Document 3, the insertion rod is inserted into the connection hole when attaching and detaching the articulated block. The insertion rod must be completely removed, which requires extra effort during actual installation.

The present invention is to devise a simple installation and transportation tool that can easily perform the installation work of articulated blocks, the transport work, and the installation work at a construction site.

The articulated block installation and transport device of the present invention is characterized by having a structure in which a slim hook with a safety lever and two wires with loops on both ends are attached to a shackle metal fitting. The thickness of the two wires is such that they can pass through the connecting holes of the articulated block and are strong enough to support the articulated block.

The above-mentioned installation carrier is used by attaching the loop portion at one end of the wire to the shackle fitting and the hook with a lever, and attaching the loop portion at the other end to the hook with a lever during transportation.

When transporting articulated blocks, install the installation carrier on a crane, move it to the top of the block accumulation area, insert the two wires into each connection hole, and attach the loop part to the hook. do.

When lifting and transporting the articulated block, the wires are inserted into the connection holes, allowing the articulated block to be transported stably. It is also easy to attach multiple installation and transport device bodies to the crane at equal intervals, and by installing multiple installation and transport device bodies at equal intervals on the crane, multiple articulated blocks can be transported and installed.

When installing the articulated block at the installation site, the articulated block is installed by passing the wire through the connecting hole and then additionally passing the reinforcing bar or connecting wire through the connecting hole. Even when reinforcing bars are being passed through the connection holes, the wires are still being passed through, so the joint blocks can be held by the force of the crane.

After the articulated block is in place, remove the wire loop from the hook. After removing the wire loop from the hook, by moving the crane, the wire can be pulled out of the connecting hole, and installation to the connecting block is completed naturally.

The structure of the present invention is as described above, and is for transporting and installing an articulated block using an installation carrier equipped with two wires and a hook. Not only does it allow the wire to be transported with the wire passed through the connection hole, making it possible to safely and stably transport the articulated block using a crane, but it also allows for laying the wire while it is being transported by the crane. This allows for safe and simple installation by passing reinforcing bars through the articulated blocks, increasing work efficiency.

Overall diagram of this invention Side view of wire attached to hook Front view of multiple units of this device installed Explanatory diagram of the state in which the wire is passed through the articulated block Illustration of the articulated block in transported state Diagram of articulated block being attached to rebar

Next, an embodiment of the present invention will be described. The articulated block installation and transport device shown in the embodiment is intended for an articulated block 1 with two connection holes. The surface shape can be either convex or flat, and the size does not matter as long as the articulated block is square or rectangular. In this example, the present invention is applied to hanging five pieces. It is basically composed of a shackle fitting 2, a wire 3 with loops on both ends, and a hook 4 with a lever, and the above components are connected with a rectangular hanging component, hanging wire, etc.

The wire 3 has an appropriate length (490 mm x 330 mm, length 130 mm for convex A-type articulated blocks), and has a length that can lift the main articulated block. be.

As shown in Fig. 1, the present invention has a hook with a lever attached to the shackle fitting 2 in a manner that it is sandwiched between two wires. Figure 2 shows a hook with a lever attached to a wire.

When transporting and grounding multiple articulated blocks, prepare an installation plate 5 and install the present invention in parallel. Figure 3 shows a front view of multiple articulated blocks installed.

Next, we will explain how to transport the articulated block 1 from the collection location to the installation site using the above-mentioned device.

When attaching the articulated block 1 to the present invention, the two wires 3 are passed through the connecting through-holes 7, and then one end of the loop portion of the wire is attached to the hook. Figure 4 shows this process.

After passing the loop portion of the wire through the hook, as shown in FIG. 5, the articulated block 1 is lifted and transported by a crane.

Next, the operation of installing the articulated block 1 at the installation location using the above-mentioned present invention will be explained.

The articulated block 1 is transported to the top of the installation location. With the wire 3 still passing through the connecting hole 7 of the articulated block 1, additional laying rebar 8 is also passed through the connecting hole (Figure 6). With the wire 3 already passing through the connecting hole of the articulated block 1, the holding force of the crane is used to install the articulated block on the ground.

After the articulated block 1 is placed on the ground, the wire 3 is removed from the hook 2. After removing it from the hook 2, the crane is operated to remove the wire 2 from the articulated block 1, and the next transportation operation begins.

In this way, the present invention utilizes the holding force of the crane to safely transport the articulated block 1 during the transportation and installation work, and also makes it possible to safely and easily install the articulated block by utilizing the holding force of the crane.

In addition, although the explanatory diagram has been explained using an example in which five articulated blocks 1 are transported and installed at one time, it is also possible to transport and install a large number of articulated blocks 1 at the same time as long as the crane has the holding power. It is possible.

1 Articulated block 2 Shackle metal fitting 3 Loop wire 4 Lever hook 5 Installation plate
6 Suspension wire for installation and transportation equipment 7 Connection hole 8 Connection steel bar

Claims (1)

In this articulated block installation tool, one end of two block suspension wires with loops on both ends is simultaneously engaged with a hook with a fall-prevention lever, the block suspension wires have a thickness and length that allows them to pass through the connecting holes of the articulated blocks, and the loop at one end of the block suspension wire is arranged in such a way that it can be engaged with the hook with a fall-prevention lever.

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