JP3021002U - Sling unit - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To provide a hoisting unit for connecting hoisting means for hoisting and a construction member at a construction site of a building, which makes it easy and safe to hoist the construction member. To be able to do. SOLUTION: A hanging tool unit 1 for connecting a crane 3 (lifting means) for lifting and a construction member such as an iron sheet 2 at a construction site of a building, which is connected to the iron sheet 2. A retaining hook 4 having a retaining member 4a for retaining the iron plate 2 in a suspended state,
The sling wire 5 connected to the crane 3 is connected to the sling wire 5 at one end and to the disengagement prevention member 4a of the disengagement hook 4 at the other end through a shackle 7 (connection member), respectively, and It is composed of a free metal fitting 6 that is rotatable around.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a lifting tool unit, and more particularly, to a lifting tool unit for lifting working members at a construction site of a building.

[0002]

[Prior art]

 Conventionally, as a hoisting tool used at a construction site of a building, for example, there is a crane, which is a hoisting means installed at one end and has a size suitable for a hoisting member. A sling wire is used that has a loop for hanging on a large hook attached to the tip of the cable. Then, the operator directly hooks the hook installed at one end of the sling wire into a hole formed in advance in a construction member such as an iron plate to be spread on the ground surface, and at the other end. The formed wheels were hung on a large hook attached to the tip of the cable on the crane, and the cable was wound with a winch to lift the iron sheet.

[0003]

[Problems to be solved by the device]

 However, in order to eliminate the twist of wire ropes such as sling wires, the above-mentioned conventional hanging equipment must be constructed by the operator himself after checking that the wire rope is not twisted each time. It had to be connected to the work members, and when handling a large number of work members, it took a considerable time to lift them. Further, even if the worker removes the twist of the wire rope and then connects the construction member, if the wind blows during lifting and the construction member is shaken by the wind force, the shaking will cause the wire rope to shake. There was a risk that the rock would be twisted and the vibration would be further increased.

[0004] Therefore, an object of the present invention is to provide a hoisting tool unit capable of hoisting a construction member easily and safely.

[0005]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention is a hoisting unit for connecting a crane as hoisting means for hoisting and a construction member (for example, iron plate) at a construction site of a building. The retaining hook connected to the construction member and having a retaining member for retaining the construction member in a suspended state, a sling wire connected to the suspension means such as the crane, and one end The slidable wire has a structure in which the other end is connected to the slip-off preventing member of the slip-off preventing hook through a connecting member, for example, a shackle or the like, and a free metal fitting that is rotatable around an axis. It has a feature.

As described above, the retaining hook is connected to the construction member (for example, the iron plate), the sling wire is connected to the hanging means such as a crane, and the construction member connected to the hanging unit is lifted. By using a hanging means such as a crane, the construction member is held securely against the slip-out prevention hook, and further, the free metal fittings placed between the slip-out prevention hook and the sling wire are secured. The rotation eliminates the twist of the sling wire. Therefore, the construction member and the hanging means are easily connected, and furthermore, the construction member is safely lifted.

[0007]

[Embodiment of device]

 Hereinafter, an example of an embodiment of the hanging unit according to the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 shows a usage state of a hanging unit as an example to which the present invention is applied, and FIG. 2 is an enlarged view showing a configuration of each part of the hanging unit of FIG. 1, in which 1 is a hanging unit, 2 is an iron plate (construction member), 2a is a hole, 3 is a crane (suspension means), 3a is a boom, 3b is a cable, 3c is a swivel axis, 3d is a winch, 3e is a crawler, 3f is an operation room, 3g. Is a large hook, 4 is a retaining hook, 4a is a retaining member, 4b is a hook body, 4c is a pin, 4d is an insertion hole, 4e is an extension portion, 5 is a sling wire, 5a is a loop portion, 5b is a fixed socket, 6 is a universal metal fitting, 6a is a cylindrical member, 6b is a connection port member, 7 is a shackle (connection member), 7a is a U-shaped steel, 7b is a bolt, and 8 is a ground surface.

When the ground is poor, after the ground is improved, a laid iron plate 2 for mounting heavy equipment for construction is laid on the ground surface 8 which is laid with gravel to improve the drainage. When the construction work of this building progresses and the iron plate 2 is moved and re-installed, a lifting tool for connecting the lifting means by the crane 3 and the iron plate 2 (construction member) to perform lifting. Unit 1 is used.

As shown in FIG. 1, the suspender unit 1 is configured by connecting a retaining hook 4, a sling wire 5 and a free metal fitting 6 with shackles 7, 7, and the retaining hook 4 is attached to the laid iron plate 2. , Is connected to the crane 3 by the sling wire 5. The iron sheet 2 is laid on a site (such as the dotted line in Fig. 1) over a long period of time in order to put heavy equipment for construction such as cranes and ready-mixed vehicles on the soft ground that has been improved and grounded. The construction member is made of steel and has a hole 2a for lifting and carrying, and the construction member weighs about 2 tons.

As shown in FIG. 1, the crane 3 is a suspending means for suspending the laid iron plate 2, and a construction member is directly or indirectly hung on the large hook 3 g to operate the operation room. An operator riding inside 3f can perform manual control such as raising and lowering movement of boom 3a, adjusting the length of cable 3b by rotating movement of winch 3d, and revolving movement around revolving shaft 3c. . Further, the crane 3 is provided with traveling devices such as crawlers 3e and 3e at both end portions of the bottom surface, so that it can be easily dealt with when moving to a construction site.

Now, with reference to FIG. 2, the configuration of each part in the hanging unit 1 of FIG. 1 will be described. As shown in FIG. 2, the disengagement prevention hook 4 includes a hook body 4b to be hung on a hole 2a for lifting and transporting in the iron sheet 2, and a retaining member 4a for preventing the iron sheet 2 from being detached from the hook body 4b at the time of hoisting. It is composed by. Here, the pin 4c is inserted into a portion where the retaining member 4a and the hook body 4b overlap each other, and the retaining member 4a and the hook body 4b are locked.

In addition, in the retaining member 4a, an insertion hole 4d is formed in an extension portion 4e extending on the opposite side with the pin 4c interposed therebetween, and the bolt 7b of the shackle 7 is inserted into the insertion hole 4d. ing. When the iron plate 2 is lifted in this state, the weight of the iron plate 2 is added to the retaining hook 4 as shown in FIG. 1, and the retaining member 4a of the hook body 4b is closed at the retaining hook 4. A force acts in the direction to prevent the iron plate 2 from coming off.

The sling wire 5 is a steel wire having a total length of about 1 m, in which the loop portion 5a forming the loop is fixed by a fixed socket 5b in a state where the sled wire 5 is bound to form a loop. As shown in FIG. 1, the sling wire 5 has a large hook 3g connected to the cable 3b of the crane 3 inserted in the ring of a fixed socket 5b formed in the loop portion 5a at one end. Further, as shown in FIG. 2, the U-shaped steel 7a of the shackle 7 is inserted into the ring of the fixed socket 5b formed in the loop portion 5a at the other end.

The universal fitting 6 is provided with connection port members 6b, 6b, which are rotatable around the central axis of the cylindrical member 6a, at both ends of the cylindrical member 6a, and the connection port members 6b at both ends thereof are installed. , 6b are formed with connection ports for connecting to other members, respectively, so that they can handle heavy objects up to about 3t. Then, as shown in FIG. 2, the universal fitting 6 has a connection port member 6b formed at one end thereof formed on the separation prevention member 4a of the separation prevention hook 4 and at the other end thereof via shackles 7,7. The connecting port member 6b is connected to the loop of the fixed socket 5b formed in the loop portion 5a of the sling wire 5. When the laid iron plate 2 is lifted in this connection state, each of the connection port members 6b, 6b rotates around the central axis of the cylindrical member 6a, and the twist that was previously made in the sling wire 5 is eliminated by itself. Is able to.

The shackle 7 is a connecting member composed of a U-shaped steel 7a formed by bending a round steel into a U-shape, and a bolt 7b connecting both ends of the U-shaped steel 7a. Here, as shown in FIG. 2, the bolt 7b of the shackle 7 is inserted into the insertion hole 4d in the retaining member 4a of the retaining hook 4, and the bolt 7b for connecting both ends of the U-shaped steel 7a. Is inserted into the connection opening of the connection opening member 6b of the universal fitting 6, so that the retaining hook 4 and the universal fitting 6 can be connected. In addition, the U-shaped steel 7a of the shackle 7 is inserted into the ring of the fixed socket 5b formed in the loop portion 5a of the sling wire 5, and the bolt 7b for connecting both ends of the U-shaped steel 7a is separated from the previous one. The sling wire 5 and the universal fitting 6 can be connected by inserting the connection wire 6 into the connection opening of the connection opening member 6b.

An example of an on-site work method using the above-described hanging device unit 1 and an operation thereof will be shown. First, as shown in FIG. 1, the winch 3d of the crane 3 is rotated by a manual operation from the operation room 3f, the cable 3b is sent out, and the large hook 3g is lowered to the vicinity of the iron plate 2 to realize the present invention. The loop of the fixed socket 5b formed in the loop portion 5a of the sling wire 5 configured in the hanging device unit 1 is hooked on the large hook 3g. Further, as shown in FIG. 2, the retaining hooks 4 of the hanging unit 1 are hooked in the holes 2a formed in the laid iron plate 2, and as shown in FIG. 1, by the manual operation from the operation room 3f of the crane 3, The winch 3d is rotated in the opposite direction to the previous one, and the cable 3b is wound therein, so that the iron plate 2 is lifted.

In this way, the iron plate 2 which is a construction member is hoisted, and in the hoisted state, the weight of the iron plate 2 is added to the retaining hook 4, and the retaining hook 4 is attached to the hook body 4b. A force acts in the closing direction of the slip-off prevention member 4a to prevent the slip-off prevention hook 4 from coming off the hole 2a of the iron plate 2, and when the sling wire 5 is twisted, the flexible metal fitting 6 Rotates about the central axis of the cylindrical member 6a, and the twist can be eliminated.

Since the suspender unit 1 is configured as described above, the following effects can be obtained. Since the retaining hook 4 is hung on the iron plate 2 and the sling wire 5 is hung on the crane 3, the iron plate 2 and the crane 3 can be easily connected, and the work of transporting the iron plate 2, which is a construction member, can be carried out quickly. It can be carried out. While the iron plate 2 is being lifted, the iron plate 2 that is a construction member is rotated by securely catching the iron plate 2 with the retaining hooks 4 and rotating the universal metal fitting 6 in accordance with the twist of the sling wire 5. Can be safely transported.

In the above-described embodiments, the laid iron plate 2 is used as the construction member, but the construction member is not limited to this, and for example, an exterior plate used as an outer wall of a building may be lifted. You can

[0020]

[Effect of device]

 As described above, according to the hoisting tool unit of the present invention, the construction member and the suspension means can be easily connected, and the construction member can be safely lifted.

[Brief description of drawings]

FIG. 1 shows a usage state of a lifting tool unit as an example to which the present invention is applied.

FIG. 2 is an enlarged view showing the configuration of each part of the hanging unit shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lifting tool unit 2 Laying iron plate (construction member) 3 Crane (suspending means) 4 Detaching hook 4a Detaching member 5 Sliding wire 6 Flexible metal fitting 7 Shackle (connecting member)

Claims (1)

[Scope of utility model registration request] 1. A hoisting unit for connecting a hoisting means for hoisting and a construction member at a construction site of a building, the unit being connected to the construction member and being hoisted. An anti-slip hook having an anti-slip member, a sling wire connected to the hanging means, one end connected to this sled wire, and the other end connected to the slip-off prevention member of the slip-off hook. A suspender unit, comprising: a metal fitting that is connected via a member and is rotatable about an axis.