JPH0432392Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is a concrete exterior wall panel with a so-called lip channel steel embedded in the back surface having an approximately C-shaped cross section, which is lifted by a lifting device such as an overhead crane. The present invention relates to a hanging tool for connecting the hanging member of this lifting device to an outer wall panel when the lifting device is transported.

(Prior Art) In general, concrete exterior wall panels in which channel steel having a substantially C-shaped cross section is embedded in the back surface are used for exterior walls of buildings, balconies, and the like.

Conventionally, transportation of this concrete exterior wall panel, such as loading and unloading onto a loading platform, has been done manually.

(Problem that the invention aims to solve) However, transporting large and heavy concrete exterior wall panels is extremely hard work for workers, and if they are accidentally dropped during transport, serious injuries may occur. It was dangerous.

Therefore, in order to transport the concrete exterior wall panels safely and without requiring labor, it is sufficient to use a lifting device such as an overhead crane to lift and transport the concrete exterior wall panels. Since the exterior wall panel does not have a hooking part that can be engaged with the hooking member of the lifting equipment, in order to lift this concrete exterior wall panel with the lifting equipment, it is necessary to connect the hooking member of the lifting equipment and the concrete exterior wall panel. A hanging device is required. and,
The hanging tool is preferably one that can be reliably engaged with the concrete exterior wall panel and that can be easily engaged and detached from the concrete exterior wall panel.

(Means for solving the problem) The hanging device of the present invention is suitable for lifting and transporting a concrete exterior wall panel with a so-called lip channel steel with a substantially C-shaped cross section embedded in the back surface using a lifting device. ,
A hanging device for connecting a hanging member of the lifting device and a concrete exterior wall panel, the hanging device having one lip piece provided at the opening edge of the lip channel steel on one side of the hanging device body. The first locking
The locking piece extends in the horizontal direction, and a recess is provided on the other side of the hanging tool body, and the locking piece is locked with the other lip piece provided at the opening edge of the lip channel steel in this recess. A second locking piece is provided so as to be slidable in the horizontal direction, and a biasing member is interposed between the second locking piece and the recess to urge the second locking piece to protrude from inside the recess. A stopper is provided on the hanger main body to stop the second locking piece at a position where the second locking piece protrudes appropriately from the inside of the recess. An operating portion for pushing the second locking piece into the recess is provided protrudingly on the second locking piece, and the hanging device body is provided with a hooking member that engages with a hooking member of the lifting device. It is something.

(Function) The operator operates the operating part provided on the second locking piece to push the second locking piece into the recess of the hanging tool main body against the urging force of the urging member, and in this state. Place the sling in the lip channel. After that, when the operator removes his/her hand from the operation part, the second locking piece protrudes due to the urging force of the urging member, and thereby the second locking piece and the first locking piece form a lip groove. Engage with both lip pieces on the edge of the steel opening. In this way, the first locking piece and the second locking piece of the hanging device are locked to the lip channel steel provided on the concrete exterior wall panel, and the hooking member of the lifting device is connected to the hanging device. By engaging with the stop member, the lifting device and the concrete exterior wall panel are connected via the hanging tool, and the concrete exterior wall panel can be transported by the lifting device.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

1 and 2 show a hanging device according to the present invention.

In the figure, reference numeral 1 denotes a hanging tool body, and a first locking piece 2 is provided on one side of the hanging tool main body 1 to protrude in the horizontal direction. Further, a recess 3 is formed on the other side of the hanging tool main body 1. Inside this recess 3, a second locking piece 4 formed separately from the hanging tool main body 1 is provided.
is provided so as to be slidable in the horizontal direction. Recess 3
Two protrusions 5, 5 are formed in a rail shape in the sliding direction on the lower surface of the second locking piece 4, and grooves 6, 6 corresponding to the protrusions 5, 5 are formed on the bottom surface of the second locking piece 4. This allows the second locking piece 4 to slide horizontally within the recess 3 without wobbling.

Further, a plurality of springs 10 (biasing members) are provided between the rear end of the second locking piece 4 and the recess 3. The second locking piece 4 has a spring 10
. . ., the tip thereof is always urged to protrude from the recess 3. These springs 10...
... are respectively inserted into attachment holes 11 formed in the rear end portion of the second locking piece 4. With this, the spring 10... is connected to the second locking piece 4.
It is stably arranged in the recess 3 without accidentally falling out.

Contact portions 7, 7 are provided on both sides of the rear end of the second locking piece 4.
are provided protrudingly, and stopper pins 8, 8 are screwed into the hanger main body 1, and these stopper pins 8,
The tip end of 8 enters into the recess 3 and comes into contact with the abutting parts 7, 7. Therefore, in the second locking piece 4, the contact portions 7, 7 and the tips of the stopper pins 8, 8 come into contact with each other at appropriate positions protruding from the recess 3, and the second locking piece 4 is suspended. This prevents the hanger from falling out of the recess 3 of the hanger body 1. moreover,
A bolt 12 is screwed onto the upper surface of the second locking piece 4 . This bolt 12 is attached by the operator to the spring 1.
This is for inserting the second locking piece 4 into the recess 3 against the urging force of It passes through the hole 13 and projects upward. The length of the long hole 13 is formed to be approximately the same as the movement span of the second locking piece 4.

Reference numeral 15 denotes a substantially gate-shaped hanging member that engages with a hanging member A of a lifting device such as an overhead crane. It passes through the inside and is fixed to the lower part of the hanging tool main body 1. Accordingly, notches 19 are formed in the second locking piece 4 so that the second locking piece 4 does not come into contact with both ends of the locking member 15 when sliding.

Reference numeral 16 shown in FIG. 3 is a concrete exterior wall panel, and the concrete exterior wall panel 16
A rip channel steel 20 is embedded in the back surface 17 of. The lip channel steel 20 is formed into a substantially C-shaped cross section with lip pieces 21, 21 on both sides of the opening edge.

Next, using the hanging device configured as above,
A case will be described in which the concrete exterior wall panel 16 is transported by a lifting device such as an overhead crane.

When lifting the concrete exterior wall panel 16 using a lifting device, for example, as shown in FIG.
Arrange the two hanging tools and attach the first locking piece 2 of the hanging tool.
And the second locking piece 4 may be locked to the lip channel steel 20 of the concrete outer wall panel 16, respectively.

To explain in detail below, first, the operator operates the operation part 12a protruding from the top surface of the hanging tool main body 1, and the spring 10...
The second locking piece 4 is pushed in against the urging force of..., and the hanging tool is inserted into the lip channel steel 20 in this state. Then, when the operator releases his/her hand from the operation part 12a, the second locking is performed by the biasing force of the spring 10 until the contact parts 7, 7 of the second locking piece 4 and the stopper pins 8, 8 contact each other. A piece 4 protrudes from the recess 3. Therefore, the first locking piece 2 and the second locking piece 4
As shown in FIG. 3, the lip pieces 21 and 21 of the lip channel steel 20 are engaged with each other. and,
The concrete exterior wall panel 16 is connected to the lifting device by engaging the hooking members A, A provided at the ends of each branched end hanging from the lifting device with the hooking members 15, 15 of these hanging devices. It is lifted and transported. In addition, when the lip channel steel 20 is to be detached from the hanging tool, the operation may be performed in the opposite manner to that described above.

(Effects of the invention) As described above, by using the hanging device of the invention, concrete exterior wall panels can be lifted and transported using a lifting device, which requires a lot of labor compared to conventional manual transport work. It is not necessary, and transportation work can be carried out easily.

In addition, the hanging tool is securely engaged with the concrete outer wall panel and does not come off accidentally, and the hanging tool and the concrete outer wall panel can be easily engaged and disengaged.

Specifically, the first locking piece is extended from one side, and the second locking piece is configured to be retractable from the other side of the hanger main body, and this second locking piece is always kept out by a biasing member. However, when attaching and detaching the hanging tool to the lip channel steel of the concrete exterior wall panel, it can be easily operated by operating the operating section.

[Brief explanation of the drawing]

1 and 2 show a schematic structure of a hanging tool according to the present invention, FIG. 1 is a perspective view showing the hanging tool, FIG. 2 is an exploded perspective view showing the structure of the hanging tool, and FIG. The figure is a sectional view showing a state in which the hanging tool is latched to the concrete exterior wall panel, and FIG. 4 is a perspective view showing the state when the concrete exterior wall panel is lifted by the lifting device using the hanging tool. 1... Hanging tool main body, 2... First locking piece, 3...
Recessed portion, 4... Second locking piece, 7... Contact portion, 8...
Stopper pin, 10... Spring (biasing member),
12a...operation unit, 15...hanging member, 16...
Concrete exterior wall panel, 20... lip channel steel, 21, 21... both lip pieces of lip channel steel.

Claims (1)

[Scope of Claim for Utility Model Registration] When a concrete exterior wall panel with a so-called lip channel steel embedded in the back surface having a substantially C-shaped cross section is lifted and transported by a lifting device, the hooking member of the lifting device and the concrete A hanging device for connecting the hanging device to a manufactured external wall panel, the hanging device having a first lip piece provided on one side of the hanging device body at the opening edge of the lip channel steel and engaged with one lip piece.
The locking piece extends in the horizontal direction, and a recess is provided on the other side of the hanging tool body, and the locking piece is locked with the other lip piece provided at the opening edge of the lip channel steel in this recess. A second locking piece is provided so as to be slidable in the horizontal direction, and a biasing member is interposed between the second locking piece and the recess to urge the second locking piece to protrude from inside the recess. A stopper is provided on the hanger main body to stop the second locking piece at a position where the second locking piece protrudes appropriately from the inside of the recess. An operating portion for pushing the second locking piece into the recess is provided protrudingly on the second locking piece, and the hanging device body is provided with a hooking member that engages with a hooking member of the lifting device. A hanging tool characterized by: