JPH09278352A - Suspending jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange a heavy cargo in the narrow area by arranging a locking part in a tip part, arranging a shackle and a shackle installing part having a butting plate having an outside diameter larger than an inside diameter of a through hole in an end part of an axial part, raising the shackle by inserting the axial part into the through hole, and suspending it by locking the locking part on the inside edge of the through hole. SOLUTION: A recessed part 4 is arranged in a tip part 2b of an axial core part 2, and a butting plate 5 having a diameter larger than a through hole 51 of a side wall 50a of a hollow square groove 50 is arranged in a shackle installing part 3. The recessed part 4 is locked on the inside edge 51a of the through hole 51 by suspending a shackle 7, and since the butting plate 5 is brought into contact with an outside surface of the side wall 50a, only if an installing space equivalent to a length L of the axial core part 2 of a suspending jig 1 exists on the outside surface side of the side wall 50a in order to fix the suspending jig 1 to the side wall 50a, the suspending jig 1 can be installed on and removed from the side wall 50a. Therefore, the installing area to install and remove the suspending jig can be narrowed, and its operation can be facilitated, and efficiency of installing work can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hoisting jig for hoisting a concrete heavy object such as a square groove or a U groove buried in the ground.

[0002]

2. Description of the Related Art Conventionally, for example, a square groove, which is buried in the ground and used as a drainage groove, has a rectangular tubular shape having openings at both ends as shown in FIG. 9 by pouring concrete into a formwork. Formed on the opposite side walls 50a,
The through hole 5b is used for lifting the square groove 50.
For example, 1 is provided, for example, 2 each, for a total of 4.

When embedding the square groove 50 in the ground, first, the pipes 52 are inserted into the opposing through holes 51, respectively, and then one end of the pipe 52 is protruded from the side walls 50a and 50b. The other ends of the four wires 53 connected by the connecting ring 54 are hooked. A hook 55 at the lower end of, for example, a crane wire (not shown) is locked to the connecting ring 54, and by raising the hook 55, the square groove 50 is lifted via the connecting ring 54, the wire 53, and the pipe 52. The raised square groove 50 is appropriately moved and installed in a trench 56 dug in the ground, and then the pipe 5
By pulling 2 out of the through hole 51, the square groove 50 is buried in the ground.

[0004]

However, this hoisting method using the pipe 52 has a problem that a wide installation area is required for installing the square groove 50 and the installation work is troublesome. . That is, the pipe 52
Is inserted from the through hole 51 of one side wall 50a of the square groove 50 to the through hole 51 of the other side wall 50b.
The length of 2 needs to be at least a width w1 of the square groove 50 or more. As a result, in order to pull out the pipe 52 after installing the square groove 50 in the underground moat 56, the moat 56
The width w2 of the square groove 50 is at least twice as large as the width w1 of the square groove 50, and a large installation area is required for installing the square groove 50.

The relatively long pipe 52 is attached to the side wall 50.
Since it has to be inserted through the opposed through holes 51 of a and 50b, for example, in the case of a large square groove 50, the pipe 5
Pipe 5 for passing 2 from one through hole 51 to the other through hole 51
The insertion work of No. 2 becomes troublesome, and the inserted pipe 52
The work of pulling out the pipe is also troublesome. In particular, the pipe removing operation is very troublesome when there is an existing object such as a block wall or a stand on one side in the width direction of the moat 56 and the installation area cannot be taken large.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a hanging jig capable of installing a heavy object in a small installation area and easily performing the installation work.

[0007]

In order to achieve the above object, a hoisting jig according to claim 1 is a hoisting jig which is attached to a through hole formed in a side wall of a heavy object and hoists a heavy object. A shackle mounting part that has a locking part formed at the tip and is inserted into the through hole, a shackle mounting part that is provided at the end of the shaft part and has a backing plate with an outer diameter larger than at least the inner diameter of the through hole, and shackle mounting With a shackle attached to the shaft, the shaft core is inserted into the through hole, and the shackle is raised to lock the locking portion to the inner edge of the through hole to lift a heavy object. It is characterized by

According to this hanging jig, the shaft core is inserted from the outer surface side into, for example, four through holes on both side walls of the heavy object, and the shackle of the shackle mounting part is pulled upward, respectively. The locking parts of the parts are respectively locked to the inner edges of the through holes of the side walls, and the hanging jig is fixed to the heavy object. As a result, the axial movement of the shaft core portion of each suspension jig is restricted, and the suspension jig is prevented from coming off from each through hole, and the heavy object is suspended in this state.

While the shaft core receives the pulling force, the locking portion is locked to the inner edge of the through hole to maintain the locked state,
When the pulling force is released, the locked state is released,
The shaft core is pulled out from the through hole. The hanging jig only needs to be attached to each of the through holes, the installation area for extracting is small, and the attaching and removing operations of the hanging jig are easy.

Further, the hanging jig according to a second aspect of the invention is characterized in that the engaging portion is a concave portion or a step portion. According to this hanging jig, the concave portion or the stepped portion provided at the tip end portion of the shaft core portion ensures the locking to the inner end edge of the through hole and facilitates the processing of the locking portion.

Further, the hanging jig according to a third aspect of the present invention is characterized in that a pin is fixed to an outer surface of the shackle mounting portion, and the axial rotation of the shaft core portion of the shackle is restricted by the pin. According to this hanging jig, by restricting the rotation of the shackle, the position of the shackle and the position of the locking portion are always specified, and the work of attaching the hanging jig to the through hole becomes easier.

The hanging jig according to a fourth aspect of the present invention is characterized in that a hemispherical guide is formed at the tip portion of the shaft core portion. According to this hanging jig, the hemispherical guide facilitates the insertion of the weight of the shaft core into the through hole, and the work of attaching the hanging jig is further facilitated.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 3 show a first embodiment of a hanging jig according to the present invention, and FIG. 1 is a side view thereof,
2 is a partially cutaway plan view, and FIG. 3 is a cross-sectional view showing a state of attachment to a heavy object. 1 and 2, the hanging jig 1 has a round bar-shaped shaft core portion 2 and a shackle mounting portion 3 fixed to a rear end portion (right side in FIG. 1) of the shaft core portion 2. .

The shaft core portion 2 is formed of, for example, a quenched bolt whose material is SMC435 hardness HRC31 to 39,
A screw 2a having a predetermined length is formed at the rear end portion of the shaft core portion 2, and a recess 4 having a depth h1 as a locking portion is formed at the tip end portion 2b. The shackle mounting part 3 is the shaft core part 2.
Has a disc-shaped pad plate 5 having an outer diameter larger than the outer diameter, and a hexagon nut 6 welded and fixed to the pad plate 5, and the screw hole 6a of the hexagon nut 6 is attached to the screw 2a of the shaft core portion 2. It is integrated with the shaft core portion 2 by screwing.

The contact plate 5 has a hexagonal nut 6 at its center position.
The through hole 5a communicating with the screw hole 6a is formed, and the hexagonal nut 6 is formed with the through hole 6b in the diameter direction. A pair of mounting portions 8 and 9 of the shackle 7 are attached to the through hole 6b with mounting bolts 10. The shackle 7 is bent in a U shape, and the mounting portions 8 and 9 at both end portions thereof are bent.
One of the mounting portions 8 is formed with a through hole 8a through which the mounting bolt 10 penetrates, and the other mounting portion 9 is formed with a screw hole 9a into which the screw 10a at the tip of the mounting bolt 10 is screwed. Has been done. At the end of the mounting bolt 10, the screw 1
A ring portion 10b having a diameter larger than 0a is formed.

On the outer surface of the hexagon nut 6, for example, a pair of pins 12 are fixed by welding or fixed in a hole (not shown) of the hexagon nut 6 while projecting outward by a predetermined length. The pin 12 restricts the rotation of the shaft center portion 2 of the shackle 7 in the axial direction, that is, the rotation in the arrow A direction of FIG. The position of the shackle 7 in the protruding direction with respect to the hexagonal nut 6 and the positional relationship of the recess 4 of the shaft core portion 2 are set so as to be positioned vertically with respect to the axis of the shaft core portion 2.

In order to assemble the hanging jig 1, first, for example, a shaft core portion 2 having a recess 4 processed by milling, a contact plate 5 and a pin 12 are welded and fixed, and a hexagonal nut 6 having a through hole 6b is processed. Prepare the hexagon nut 6 screw hole 6
a is screwed into the screw 2a of the shaft core 2 from the side of the contact plate 5.
The axis of the through hole 6b of the hexagonal nut 6 and the straight line along the side surface of the recess 4 of the shaft core 2 are substantially parallel to each other, and the abutting portions of the hexagonal nut 6 and the shaft core 2 are fixed by welding. .

After that, the inner surfaces of the mounting portions 8 and 9 of the shackle 7 are brought into contact with the outer surface of the hexagonal nut 6, and the through hole 8 of the mounting portion 8 is formed.
Insert the mounting bolt 10 from a into the through hole 6b of the hexagonal nut 6, and screw the mounting bolt 10 into the screw hole 9 of the mounting portion 9.
Screw it to a. At this time, the mounting bolt 10 is screwed into the screw hole 9a in a state where the shackle 7 is positioned inside the pin 12 (on the contact plate 5 side). As a result, the hanging jig 1 in which the shackle 7 and the concave portion 4 have the above-described positional relationship is assembled.

The hanging jig 1 assembled in this way
Is used as follows. That is, first, FIG.
As shown in FIG. 4, the shaft core portion 2 of the hanging jig 1 is inserted into the through holes 51 of the side walls 50a and 50b (only the side wall 50a is shown in the figure) of the square groove 50 from the outer surface side so that the shackle mounting portion 3 is applied. The plate 5 is located on the outer surface side of the side walls 50a, 50b, and the recess 4 of the shaft core portion 2 is located on the inner surface side of the side walls 50a, 50b.

The through hole 51 of the square groove 50 is formed in a taper shape whose outer surface side is widened toward the end, and the hanging jig 1
Is a square-shaped groove 5 in which the length of the shaft core 2 is about to be lifted.
According to the thickness t of the side walls 50a and 50b of 0, the recess 4 is located on the inner surface side of the side walls 50a and 50b, and the outer diameter of the contact plate 5 is larger than the inner diameter of the through hole 51 on the outer surface side. It is set.

When the shaft core portion 2 of the suspension jig 1 is inserted into the through hole 51, the tip of the shackle 7 is positioned above the hexagonal nut 6, that is, the recess 4 of the shaft core portion 2 moves downward. The hook 14 connected to the lower end of the wire 13 is locked to the shackle 7 in the facing state. At this time, since rotation of the shackle 7 in the arrow A direction is restricted by the pin 12, the shackle 7 can be set to always face upward, and the positional relationship with the recess 4 can be specified.

Then, both side walls 50a, 50 of the square groove 50 are formed.
Similarly, the hanging jig 1 is similarly attached to, for example, four through holes 51 (see FIG. 9) of b, the hooks 14 are respectively locked to the shackles 7, and the wires 13 connected to the hooks 14 are connected to the crane. When pulled by (not shown), the suspension jig 1 moves upward in the direction of FIG. 3, that is, the shackle mounting portion 3 moves in the arrow B direction due to the clearance between the shaft core 2 and the through hole 51, and the tip of the shaft core 2 is pulled. The portion 2b tilts in the direction of arrow C.

Due to the tilting of the hanging jig 1, the inner end edge 51a of the through hole 51 is formed in the recess 4 of the tip portion 2b of the shaft core portion 2.
The engaging core portion 2 is locked in the through hole 51. In addition, the backing plate 5 of the shackle mounting portion 3 also has side walls 50a
3b moves upward while inclining along the outer surface of b, and its upper portion is in contact with the outer surface to be in the state shown by the chain double-dashed line in FIG. 3. In this state, the movement of the hanging jig 1 is restricted, and the square groove 50 Will be locked and fixed to the side walls 50a and 50b of the.

When the hanging jig 1 is locked and fixed to the side walls 50a, 50b, the side walls 50a, 50b, that is, the square groove 50 is lifted via the hanging jig 1 by the lifting of the wire 13 by the operation of the crane. . The hanging jig 1 is the wire 1
While the pulling force by 3 acts and is lifted at least, the concave portion 4 is locked to the inner end edge 51a of the through hole 51 and the locked state is maintained.

Then, after the square groove 50 is installed at a predetermined position of the installation place, the wire 13 is lowered to release the pulling force to the hanging jig 1, so that the hanging jig 1 is substantially moved to its original position by its own weight. Then, the locked state of the concave portion 4 of the shaft core portion 2 and the inner end edge 51a of the through hole 51 is released. In this state, the hanging jig 1 can be pulled out from the through hole 51, and this pulling out work only needs to have a space for the length L of the shaft core portion 2 on the outer surface side of the side walls 50a and 50b. Become.

In this embodiment, the square groove 50
The through-hole 51 has a tapered shape in which the outer surface of the through-hole 51 widens in the circumferential direction toward the end. For example, as shown in FIG. 4, the through-hole 51 is one side (downward) with respect to the center.
Even when the taper shape widens toward the side, that is, when the upper side is the straight surface 51b and the lower side is the tapered surface 51c, the hanging jig 1 tilts as shown by the chain double-dashed line, and the concave portion 4 has the through hole 5.
It is locked to the inner side edge 51a of No. 1. In this case, the inclination degree of the hanging jig 1 is smaller than that in the case of FIG.

Thus, the hanging jig 1 of this first embodiment
According to this, the concave portion 4 is provided in the tip portion 2b of the shaft core portion 2, and the side wall 50a of the square groove 50 is provided in the shackle attachment portion 3.
The contact plate 5 having a diameter larger than that of the through hole 51 of 50b is provided, and the recess 4 is locked to the inner end edge 51a of the through hole 51 by lifting the shackle 7, and the contact plate 5 is attached to the outer surfaces of the side walls 50a and 50b. Since the hanging jig 1 is brought into contact with each other to fix the hanging jig 1 to the side walls 50a and 50b, only the length L of the shaft core portion 2 of the hanging jig 1
If there is an installation space on the outer surface side of the side walls 50a and 50b, the hanging jig 1 can be attached to and removed from the side walls 50a and 50b.

As a result, the installation area of the square groove 50 can be significantly reduced as compared with the case where the conventional pipe 52 is used, and it is not necessary to dig a wide trench 56 in the ground, and Even if there is an existing object such as a block wall or a standing tree at the installation location, the square groove 50 can be reliably and easily installed at a predetermined position.

Further, also in the work of attaching and removing the hanging jig 1 to / from the square groove 50, the shaft core portion 2 having a short length is inserted into each through hole 51 of the square groove 50 from the outer surface side thereof. Since it is only necessary to pull out, there is no need to insert and pull out the long pipe 52 into the pair of through holes 51 as in the conventional case, and the work can be performed extremely easily, and the installation work efficiency of the square groove 50 can be improved. It becomes possible to improve.
Further, since the bolt is used as the shaft core portion 2 and the hexagon nut 6 or the like is used as the shackle attachment portion 3, no special mold or processing is required, and the hanging jig 1 can be configured at low cost. it can.

Although the shaft core portion 2 is formed straight in the first embodiment, the tip end portion 2b of the shaft core portion 2 is formed in a predetermined direction in the direction in which the recess 4 is formed, as shown in FIG. You may bend it at an angle. In this hanging jig 1, first, a concave portion 4 is formed on the tip portion 2b of the shaft core portion 2 by frying, and thereafter, the shaft core portion 2 is slightly pressed from the concave portion 4 with the shackle mounting portion 3 side as a center. Is formed by bending in the direction of the recess 4. In this modification, in addition to the effects of the first embodiment, the recess 4 is oriented in the direction of the inner edge 51a of the through hole 51 of the square groove 50.
It is possible to obtain the effect that the locked state between the inner edge 51a and the inner edge 51a becomes more reliable.

6 to 8 are side views of the second to fourth embodiments of the hanging jig according to the present invention. The same parts as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. The hanging jig 21 of the second embodiment shown in FIG.
Is a locking portion formed by providing a large-diameter guide 15 at the tip portion 2b of the shaft core portion 2.

That is, by integrally providing the guide 15 having a hemispherical tip at the tip portion 2b of the shaft core portion 2, the guide 15 is engaged between the rear end surface 15a and the outer peripheral surface of the shaft core portion 2. Depth h2 as a stop (for example, about 4 mm)
The stepped portion 16 is formed. Further, the screw 2 a formed at the rear end portion of the shaft core portion 2 is the screw hole 6 a of the hexagon nut 6.
Of the hexagonal nut 6 and protrudes to the rear side of the hexagonal nut 6 by a predetermined length, and the projecting portion is covered with a cap 17 welded and fixed to the hexagonal nut 6.

A fitting portion 6c is integrally provided on the contact plate 5 side of the hexagonal nut 6, and this fitting portion 6c is provided on the contact plate 5 side.
The joint surface of the contact plate 5 and the hexagon nut 6 is welded and fixed in a state of being fitted in the through hole 5b having a diameter larger than the above through hole 5a. Further, the screw 2a of the shaft core portion 2 is provided with through holes (not shown) capable of communicating with the through holes 6b (see FIG. 2) of the hexagon nut 6, and the mounting bolt 10 is inserted through these through holes. Then, the shackle 7 is attached.

The suspension jig 21 can be assembled, for example, by
The fitting portion 6c of the hexagonal nut 6 in which the through hole 6b is processed and the pin 12 and the cap 17 are welded to each other is
And the joint surface is welded to be integrated, and the screw hole 6a of the integrated hexagon nut 6 is screwed into the screw 2a of the shaft core portion 2. Next, the through hole 6b of the hexagonal nut 6 and the through hole (not shown) previously formed in the screw 2a are aligned with each other, and the mounting bolt 10 is inserted into these through holes, and finally,
The shackle 7 is attached to the shackle attachment portion 3 by screwing the attachment bolt 10 onto the screw 10a, and thus the hanging jig 21 is assembled.

In the second embodiment, the step portion 16 is locked to the inner end edge 51a of the through hole 51 of the square groove 50, and the same effect as that of the first embodiment can be obtained. The guide 15 of the tip portion 2b of the core portion 2 facilitates insertion into the through hole 51, and the step portion 16 is formed over the entire outer periphery of the shaft core portion 2, so that the positional relationship with the shackle 7 is specified. It is not necessary to pay attention to the positional relationship, and the work of assembling the hanging jig 21 and the square groove 5 of the hanging jig 21 are not performed.
It is possible to obtain the effect that the work of attaching to 0 becomes easier. The hanging jig 21 of the second embodiment is applied to products having a square groove 50 with a weight of up to about 1500 kg.

Further, the hanging jig 3 of the third embodiment shown in FIG.
In No. 1, a guide 15 is provided on the tip portion 2b of the shaft core portion 2 and a recess 18 is provided on the shaft core portion 2 continuously with the rear end surface 15a of the guide 15. The concave portion 18 of the shaft core portion 2 is inclined on the shackle mounting portion 3 side, and a step portion 16 is formed in a portion other than the concave portion 18. According to the hanging jig 31 of the third embodiment, the concave portion 18 has the through hole 51 of the square groove 50.
In addition to being locked to the inner end edge 51a of the above, the same action and effect as those of the above-described respective embodiments can be obtained, and the stepped portion 16 also prevents the shaft core portion 2 from being disengaged from the inner end edge 51a, for example. It The hanging jig 31 of the third embodiment is applied to a product in which the weight of the square groove 50 is up to about 2000 kg.

Further, the hanging jig 41 of the fourth embodiment shown in FIG. 8 is a simplification of the shape of the guide 15 of the hanging jig 31 of the third embodiment, and the guide 15 is simply formed in a hemispherical shape. It is a thing. Also in this hanging jig 41, the concave portion 1
8 is locked to the inner end edge 51a of the through hole 51 of the square groove 50, and the same effect as the hanging jig 31 of the third embodiment can be obtained. The hanging jig 41 according to the fourth embodiment is applied to products having a square groove weight of up to about 2500 kg.

The shapes and positions of the recesses and stepped portions as the locking portions in each of the above embodiments are not limited to those in each of the embodiments, and the embodiments may be combined appropriately. Further, in each of the above embodiments, the bolt is used as the shaft core portion and the hexagonal nut is used as the shackle mounting portion, but the shaft core portion and the shackle mounting portion are integrally formed to form a hanging jig. Alternatively, the hexagon nut may be omitted and the bolt itself may be used as the shackle attachment portion.

Furthermore, in each of the above-mentioned embodiments, the concrete-shaped groove is used as an example of the heavy object. However, for example, a U-shaped groove or another heavy object made of concrete, or a through hole on the side surface is used. It can be used to lift any heavy object. Further, the shapes, mounting positions, materials and the like of the shaft core portion, the shackle mounting portion, the cap, the guide, the abutting plate and the shackle in each of the above embodiments are also examples, and needless to say, various modifications are possible.

[0040]

As described in detail above, according to the hoisting jig of the first aspect, it is possible to hang the shackle by inserting the shaft core into the through hole of the side wall of the heavy object and pulling the shackle upward. Since the tool is locked and fixed to the side wall, the installation area for attaching and detaching the hanging jig can be reduced, and the attaching and detaching work of the hanging jig becomes easy and the work efficiency of the installation work is improved. Is improved.

According to the hanging jig of the second aspect,
By providing a recess or stepped portion as the locking portion,
The locking of the through hole to the inner end edge is ensured and the processing of the locking portion is facilitated.

According to the hanging jig of claim 3,
By restricting the rotation of the shackle, the position of the shackle and the position of the locking portion are specified, and the work of attaching the hanging jig to the through hole or the like becomes easier.

Further, in the hoisting jig of the fourth aspect, the guide of the tip end portion of the shaft core makes it possible to smoothly insert the heavy object of the hoisting jig into the through hole. It will be easier.

[Brief description of drawings]

FIG. 1 is a side view showing a first embodiment of a hanging jig according to the present invention.

FIG. 2 is a plan view in which a part of the same is broken away.

FIG. 3 is a cross-sectional view showing a mounting state on the same weight object

FIG. 4 is a cross-sectional view showing another mounting state.

FIG. 5 is a side view showing a modified example of the first embodiment.

FIG. 6 is a side view showing a second embodiment of the hanging jig according to the present invention.

FIG. 7 is a side view showing a third embodiment of the hanging jig according to the present invention.

FIG. 8 is a side view showing a fourth embodiment of the hanging jig according to the present invention.

FIG. 9 is a perspective view for explaining a conventional method of hoisting a square groove.

[Explanation of symbols]

 1,21,31,41 ・ ・ ・ Hanging jig 2 ・ ・ ・ ・ ・ ・ ・ Shaft core 2a ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Screw 2b ・ ・ ・ ・ ・.... Tip part 3 ..... Shackle mounting part 4, 18 ..... Recessed part 5 ..... 5a, 5b ・ ・ ・ ・ ・ ・ ・ ・ Through hole 6 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Hexagonal nut 6a ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Screw hole 6c ・ ・ ・ ・・ ・ ・ ・ Mating part 7 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Shackle 10 ・ ・ ・ ・ ・ ・ ・ ・ ・ Mounting bolt 12 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Pin 15 ・・ ・ ・ Guide 16 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Step 17 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Cap 50 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・Square groove 50a, 50b ... Side wall 51 ... Hole 51a ... Inner edge 56 ...

Claims (4)

[Claims] 1. A hanging jig, which is attached to a through hole formed in a side wall of a heavy object and hoists the heavy object, has a shaft core portion having a locking portion formed at a tip end thereof and inserted into the through hole. A shackle mounting portion provided at an end portion of the shaft core portion, the shackle mounting portion having a contact plate having an outer diameter larger than at least the inner diameter of the through hole, and a shackle mounted to the shackle mounting portion, A lifting jig, wherein the heavy object is lifted by raising a shackle in a state of being inserted into the through hole to lock the locking portion to an inner edge of the through hole. 2. The hanging jig according to claim 1, wherein the engaging portion is a concave portion or a step portion. 3. The pin according to claim 1 or 2, wherein a pin is fixed to an outer surface of the shackle mounting portion, and the pin regulates the axial rotation of the shaft core portion of the shackle. The hanging jig described. 4. The hanging jig according to claim 1, wherein a hemispherical guide is formed at a tip portion of the shaft core portion.