JPS6131034Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention mainly relates to a hook used when a crane transports floor beams, etc. used in the construction of prefabricated houses using lightweight steel frames.

(Prior art) As shown in Fig. 1, this type of hook is such that a wire rope 3 is stretched through a plurality of holes 2 provided at appropriate locations in a floor beam 1, and the wire rope is attached to a hook attached to the tip of a crane. It was being hoisted up using hook 4.

(Problem to be solved by the invention) Therefore, in order to place a lightweight steel beam 1 on a frame erected on a foundation foundation, and to remove the hook and wire rope from the placed beam 1. A worker must be on top of the frame, which requires a lot of manpower and is very troublesome. Also, wire rope 3
If the attachment position to the beam 1 was near the center, it was dangerous to remove it.

(Means for Solving the Problem) The hook body 9, in which two substrates 10, 10 are fixed side by side at a constant interval, has two substrates 10, 10 fixed in parallel.
A long hole 1 that is long in the vertical direction is located at the upper end near one side of 10.
1 and 11 are provided, and a horizontal notch groove is also provided at the lower end near one side, and a hooking portion 12, 1 is provided.
2, and grips 13, 13 for hooking fingers are provided at the upper end near the other side, and an inverted U-shaped wire lock with insertion holes 17, 17 formed at both ends. The portion 16 is configured to sandwich the upper part of the hook body 9 from both sides with its both ends, and the elongated holes 11, 11 formed in the hook body 9 are aligned with the insertion holes 17, 17 of the wire locking portion 16, so that these A hanging ring 15 is constructed by inserting a shaft 18 through the holes 11, 11, 17, 17, and the hanging ring 15 is rotatable and vertically movable within the elongated holes 11, 11 of the hook main body 9, while the closing body 20 is inserted into the hook body 9. Board 1 of main body 9
A spring 21 is installed between the closure body 20 and the hook body 9, and the closure body 20 is made vertically movable inside the hook body 9 by the spring 21. 20 hook pieces 22 are always held in the openings 1 of the hooks 12, 12 by the contraction force of the springs 21.
The lock piece 23 formed at the upper end of the closure body 20 is provided so as to close the suspension ring 1 from the bottom to the top.
5 is adapted to engage with the shaft 18 of the hanging ring 15 when the hook body 9 is suspended, and a grip 24 is formed on the closure body 20 so that the grip 1 of the hook body 9 described above is formed.
3 and 13, and one end of an operating rope is attached to the lower part of the closure body 20.

(Example) An example of the present invention will be described below based on the drawings.

In FIG. 2, reference numeral 9 denotes a hook body, which fixes two substrates 10, 10 side by side at a constant interval, and attaches it to the upper end of the two substrates 10, 10 near one side in the vertical direction. Long lengths 11, 11 are provided, and horizontal notch grooves are also provided at the lower end portions closer to one side to form hook portions 12, 12. Also, on the upper end near the other side, there is a grip 13, 1 for hooking a finger.
There are 3. Reference numeral 15 is a hanging ring, and an inverted U-shaped wire locking part 16 with insertion holes 17, 17 formed at both ends is provided so as to sandwich the hook body 9 from both sides. The insertion holes 17, 17 of the suspension ring 15 are aligned, and the shaft 18 is inserted into each hole 11, 11, 17, 17.
The wire locking portion 16 and the shaft 18 are integrally formed by screwing or welding. At this time, since the width of the long holes 11, 11 of the hook body 9 is wider than the diameter of the shaft 18 of the hanging ring 15, the hanging ring 15 can freely rotate and move up and down within the long holes 11, 11 of the hook body 9. It is something. In the above description, the hanging ring 15 is shown as being formed by the wire locking part 16 and the shaft 18, but the shape is not limited to this. 20 is the board 10, 10 of the hook body 9
It is a closing body which is placed between the two and is attached so as to be movable up and down by a spring 21, and the hook piece 22 part always closes the opening 19 of the hook part 12, 12 from below by the contraction force of the spring 21. It is designed to close upward. A locking piece 23 formed at the upper end of the closure body 20 is provided so as to engage with the shaft 18 of the hanging ring 15 when the hanging ring 15 is suspended, and the hook piece may accidentally come into contact with the beam when the beam 1 is suspended. This serves as a safety lock to prevent the lock from slipping out. That is, this prevents the closing body 20 from falling when the beam 1 is suspended. Reference numeral 24 is a grip, which is a pressing portion for forcibly pushing down the closure body 20 against the spring 21. 25 is a hole for attaching the operating rope 26, but the shape is not limited to this. The operation rope 26 has the same role as the grip 24, and by pulling the hook downward from a distance without touching the hook directly, the closure body 20 is pulled against the contractile force of the spring 21. It can be pulled down within the lengthwise range of the elongated holes 11, 11.

When using the hook of the present invention having such a configuration, a finger is placed on the grip 24, the closing member 20 is forcibly pushed down against the contraction force of the spring 21, and the hook portions 12, 12 are opened. do. That is,
When the closure body 20 is pushed down to the lowest end, the closure body 2
The hook piece 22 of 0 is attached to the bottom surface 12a of the hook part 12, 12,
It is in a state where it is pushed into the lower part of 12a. After fitting the fitting part of the beam 1 carried up into this hooking part, the hook piece 22 of the closing body 20 is fitted into one of the plurality of holes 2 provided at appropriate locations in this fitting part. . The hook piece 22 is inserted into the grip 2 that is pushed down.
When the hand is released from 4, the contraction force of the spring 21 is used. The plurality of hooks thus mounted at symmetrical positions on the beam 1 are connected to the wire of the crane, thereby lifting the beam 1 onto the frame. At this time, upward tension is applied to the hanging ring 15 due to the tension of the wire of the crane, so the locking piece 23 of the closing body 20 is caught on the shaft 18 of the hanging ring 15, and the hook piece 2 of the hanging ring 20
2 can be prevented from coming off. If the beam is lifted and placed on the frame in this way, the hooks 22 of the closure body 20 can be removed from the holes 2 of the beam 1 by simply loosening the wire of the crane and pulling the operating rope 26 downward. It comes off and the hook can be easily removed from the beam 1.

(Effect of the invention) Since the hook of the invention is constructed as described above, it is very simple to put your fingers on both grips 24, 13, 13, press and hold them from both sides, and fit them into the holes 2 of the beam 1. Even though it is a work, it is possible to quickly and reliably attach the hook to the beam. Further, since the lock piece 23 is provided so as to be caught on the shaft 18 when the hook is hung, there is no fear that the hook will come off from the hole 2 of the beam 1, making it very safe.
Furthermore, after the beam 1 is installed on the frame, the hook can be removed from the beam 1 with one touch by simply pulling the operating rope 26 downward, so there is no need to manually remove the hook from the beam 1 on the frame as in the past. There is no need to remove the hook, so it is time-consuming and has very little risk. Furthermore, since the hook piece, lock piece, and grip are formed into one closure body, it is possible to provide a robust hook with fewer parts and no failures.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the conventional hook in use, Fig. 2 is a perspective view showing the use of the hook of the present invention, and Fig. 3 is a central vertical sectional view showing the hook of the present invention in a suspended state. FIG. 4 is a central vertical sectional view showing the hook body of the present invention in a depressed state. 1... Beam, 2... Hole, 9... Hook body, 1
2, 12... Hanging portion, 15... Suspension ring, 20... Closure body, 21... Spring, 26... Operation rope.

Claims (1)

[Scope of utility model registration request] The hook body 9 has two substrates 10, 10 fixed side by side at a constant interval.
A long hole 1 that is long in the vertical direction is located at the upper end near one side of 10.
1 and 11 are provided, and a horizontal notch groove is also provided at the lower end near one side, and a hooking portion 12, 1 is provided.
2, and grips 13, 13 for hooking fingers are provided at the upper end near the other side, and an inverted U-shaped wire lock with insertion holes 17, 17 formed at both ends. The portion 16 is configured to sandwich the upper part of the hook body 9 from both sides with its both ends, and the elongated holes 11, 11 formed in the hook body 9 are aligned with the insertion portions 17, 17 of the wire locking portion 16, so that these A hanging ring 15 is constructed by inserting a shaft 18 through the holes 11, 11, 17, 17, and the hanging ring 15 is rotatable and vertically movable within the elongated holes 11, 11 of the hook main body 9, while the closing body 20 is inserted into the hook body 9. Board 1 of main body 9
A spring 21 is installed between the closure body 20 and the hook body 9, and the closure body 20 is made vertically movable inside the hook body 9 by the spring 21. 20 hook pieces 22 are always held in the openings 1 of the hooks 12, 12 by the contraction force of the springs 21.
The lock piece 23 formed at the upper end of the closure body 20 is provided so as to close the suspension ring 1 from the bottom to the top.
5 is adapted to engage with the shaft 18 of the hanging ring 15 when the hook body 9 is suspended, and a grip 24 is formed on the closure body 20 so that the grip 1 of the hook body 9 described above is formed.
3 and 13, and has one end of an operating rope attached to the lower part of the closure body 20.