JP2001341976A - Suspending jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform work even in an intricate and complicated space of a corner part of a building with a simple structure, and to safely and efficiently lift. SOLUTION: This suspending jig 1 having a front suspending part 20 and a rear suspending part 21, has a front frame 3 connected to a front part of a central frame 2, longer than a central frame width and having a suspending part 5 for suspending lifting heavy materials and a counterweight connected to the rear side of the central frame 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to, for example, PCa
(Precast concrete) A lifting jig for lifting a building member, a shoring, and other materials and equipment on an outer surface of a building such as a balcony or a corridor made of a half PCa such as an apartment house using a half PCa member or a half PCa member. .

[0002]

2. Description of the Related Art As such a lifting jig, for example, as shown in FIG. 19, a suspending wire 101 is provided on one side of a frame 100, and a counterweight 105 is driven by a power unit 102 via wires 103 and 104. Is moved in accordance with the amount of suspended load to keep the position of the center of gravity constant.

[0003]

By the way, the structure for moving the counterweight 105 in accordance with the amount of suspended load becomes complicated, the maintenance of the power unit 102 and the battery 106 is required, and the size of the main body becomes large.

[0004] Further, since the frame 100 is rectangular, the frame 100 becomes an obstacle, and it is not possible to cope with work in a complicated space where the corners of a building are complicated.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a simple structure that can work even in a complicated space where a corner of a building is complicated. Another object of the present invention is to provide a lifting jig that can be lifted safely and efficiently.

[0006]

Means for Solving the Problems In order to solve the above problems and achieve the object, the present invention has the following constitution.

The invention according to claim 1 is a lifting jig having a front lifting portion and a rear lifting portion, which is connected to a front portion of a center frame, is longer than the width of the center frame, and is capable of lifting a lifting material. A lifting jig comprising: a front frame having a hanging portion to be suspended; and a counterweight connected to a rear side of the central frame. ].

According to the first aspect of the invention, the front frame is longer than the width of the center frame and the width of the center frame is narrow. Can be prevented, and can be lifted safely and efficiently.

According to a second aspect of the present invention, there is provided a lifting jig having a front lifting portion and a rear lifting portion, a central frame provided with the front lifting portion and the rear lifting portion, and a front portion of the central frame. And a front frame having a hanging portion that is longer than the width of the center frame and has a hanging portion for hanging the lifting material, and a rear frame having a counterweight mounting portion connected to the rear side of the center frame. A lifting jig characterized by the following. 』
It is.

According to the second aspect of the present invention, the front lifting portion and the rear lifting portion are provided on the central frame, the counterweight can be easily attached and detached by the rear frame, and the front frame is longer than the central frame width. Since the central frame is narrow, the central frame can be prevented from interfering with the curing frame and the like even in a complicated space where the corners of the building are intricate, and can be lifted safely and efficiently.

According to a third aspect of the present invention, there is provided the lifting jig according to the first or second aspect, wherein the central frame is made of one or more steel materials. ].

According to the third aspect of the present invention, the central frame is made of one or more steel materials, has a simple structure, and has a small width but rigidity.

According to a fourth aspect of the present invention, there is provided any one of the first to third aspects, wherein a front lifting portion capable of changing a lifting position in a front-rear direction is provided on the front left and right sides of the central frame. 2. The lifting jig according to claim 1. 』
It is.

According to the fourth aspect of the present invention, a front lifting portion capable of changing the lifting position in the front-rear direction is provided on the front left and right sides of the center frame. Load and retraction distance can be varied.

According to a fifth aspect of the present invention, there is provided the above-mentioned "suspending portion of the front frame, the suspension position of which can be adjusted in the front-rear direction of the center frame or in the left-right direction of the center frame," The lifting jig according to any one of claims 1 to 4, wherein the lifting jig is configured so as to be able to be suspended. ].

According to the fifth aspect of the present invention, the hanging portion of the front frame can adjust the hanging position in the front-rear direction of the center frame or the left-right direction of the center frame, and the angle between the center frame and the suspended load can be adjusted. The hanging work can be performed according to the shape of the structure to which the lifting object such as the outer wall plate is to be assembled or the shape of the lifting material such as the outer wall plate.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the lifting jig of the present invention will be described below with reference to the drawings, but the present invention is not limited to this embodiment.

FIGS. 1 to 10 show the construction of a lifting jig. FIG. 1 is a side view of the lifting jig, FIG. 2 is a plan view of the lifting jig, and FIG. FIG. 4 is a front view, FIG. 4 is a rear view of the lifting jig, FIG. 5 is a view showing the canta weight, FIG. 6 is a view showing a state where the canta weight is attached, FIG. FIG. 9 is a plan view for explaining the pull-in distance, FIG. 9 is a side view for explaining the hanging of the suspended load at an angle, and FIG. 10 is a plan view for explaining the hanging of the suspended load at an angle.

The lifting jig 1 has a central frame 2, a front frame 3, and a rear frame 4. The central frame 2 extends in the front-rear direction, and has a pair of prismatic steel members 28, 28.
Are connected by a connecting steel material 29, and the width is set to D1. The center frame 2 includes a pair of prismatic steel materials 28, 28.
And the connecting steel material 29, and has a rigidity while being narrow.

The front frame 3 is connected to the front side of the center frame 2, has a length D 2, extends longer than the center frame width D 1, and has a hanging portion 5 for hanging the lifting material 30. The hanging part 5 fixes a plurality of flat plates 50 at right angles at predetermined intervals, and the plurality of flat plates 50 has a plurality of through holes 50a formed in the front-rear direction.
0a can be attached through the through pin 51.
The mounting position of the through pin 51 in the front-rear direction can be changed by selecting and mounting the through pin 51 from the plurality of through holes 50a.

As shown in FIGS. 7 and 8, the hanging portion 5 of the front frame 3 changes the position of the through-pin 51 in the front-rear direction to change the position of the rope 31 for hanging the lifting material 30. By changing the retraction distance L, it is possible to carry out a load hanging operation in accordance with the shape of a structure or the like to which a lifting object such as an outer wall plate is to be assembled, or in accordance with the shape of a lifting object such as an outer wall plate. The rope 31 as a member for suspending the lifting material 30 may be a nylon rope, or a wire or the like may be used instead of the rope.

The hanging part 5 of the front frame 3
As shown in FIGS. 9 and 10, the left through pin 51 is attached to the rear side, the right through pin 51 is attached to the front side,
By changing the mounting position in the front-rear direction, the left and right positions of the rope 31 for suspending the lifting material 30 can be changed, and the center frame 2 and the lifting material 30 can be suspended at an angle of the suspended load. It is possible to carry out a load hanging operation in accordance with the shape of a structure or the like to which a lifting object such as a plate is to be assembled, or in accordance with the shape of a lifting object such as an outer wall plate.

The rear frame 4 is connected to the rear side of the central frame 2 and has a length D3, which extends substantially the same as the width of the central frame. It can be changed arbitrarily. The rear frame 4 is provided with a mounting portion 40 protruding rearward and a mounting portion 41 protruding upward. Pin hole 4 of mounting part 40
At 0a, the counterweight 10 shown in FIG. The pin hole 40a of the mounting portion 40 and the pin hole 41a of the mounting portion 41 are provided in FIG.
The counterweight 12 shown in FIG.

As described above, a plurality of counterweights can be easily attached to and detached from the rear frame 4. FIG. 6 shows a state in which the counterweight 10 and the counterweight 12 are mounted. The counterweight 10 has a standard weight, and the maximum weight can be obtained by additionally mounting the counterweight 12, but the present invention is not limited to this. Weights may be added. Also, the mounting portions 40, 41
May fix the counterweight.

On the front left and right sides of the center frame 2, a front lifting portion 20 having a plurality of lifting holes 20a formed at predetermined intervals in the front-rear direction is provided.
A rear lifting portion 21 having one lifting hole 21a is provided on the left and right sides of the rear, a lifting member 32 is engaged with the lifting hole 20a, and a lifting member 33 is engaged and fixed to the lifting hole 21a, so that the lifting member can be lifted by a crane. Has become.

The lifting member 20 can be engaged and fixed by selecting the lifting hole 20a of the front lifting unit 20.
As shown in FIG. 7, when the front lifting hole 21 a is selected, the drawing distance is reduced, and the rear lifting hole 21 a
When a is selected, the retraction distance increases, and by changing the lifting position in the front-rear direction, the rated load and the retraction distance can be changed.

A support leg 23 is provided on the front side of the center frame 2, and the hanging portion 5 is floated while being placed on the support leg 23. Can be placed in a state of being mounted.

Next, the construction of the outer wall plate using the lifting jig will be described. FIG. 11 is an elevation view of a building showing the installation work of the outer wall plate, and FIG. 12 is a plan view of the building showing the installation work of the outer wall plate.

A rotation guiding device 71 is provided on the crane hook 70, and the lifting jig 1 is hung by the rotation guiding device 71 via hanging members 32, 33, and an outer wall is attached to the hanging portion 5 of the lifting jig 1. A plate 73 is suspended via the rope 31.

As shown in FIG. 11, the outer wall plate 73 is attached by rotating the rotation guiding device 71 to attach the outer wall plate 73, which is a lifting material, to the retraction skeleton 75, but the retraction distance L is secured. From, crane hook 70,
The rotation guiding device 71 and the suspension member 32 do not interfere with the curing frame 76.

As shown in FIG. 12A, at the corner of the building, as shown in FIGS.
Can be assembled with the front frame 3 of the lifting jig 1 in an oblique state and the outer wall plate 73 parallel to the skeleton 75.

As shown in FIG. 12 (b), when the outer wall plate 73 is hung at the corner of the building as shown in FIGS. 7 and 8, the front frame 3 of the jig 1 is lifted. The outer wall plate 73 becomes parallel to the skeleton 75 in a state where
It can be assembled in this state.

As described above, the outer wall plate 73 is assembled parallel to the frame 75 by the lifting jig 1, but the front frame 3 extends longer than the center frame width and the center frame 2 is narrower. Even in a complicated space with a complicated corner, the center frame 2 can be prevented from interfering with the curing frame 76 and the like, and can be lifted safely and efficiently.

The center frame 2 of the lifting jig 1
Can be configured as shown in FIG. In the lifting jig 1 of this embodiment, the central frame 2 is made of a single wide prismatic steel material 28. Front lifting portions 20 having a plurality of lifting holes formed at predetermined intervals in the front-rear direction are provided on both left and right side portions of the central frame 2.
Is provided. A rear lifting portion 21 having one lifting hole is provided on the left and right sides of the center frame 2.
Is provided. As described above, the central frame 2 is formed of a single wide prismatic steel material 28, the central frame 2 becomes thinner, and the central frame 2 interferes with the curing frame or the like even in a complicated space where the corners of the building are complicated. Can be prevented, and can be lifted safely and efficiently.

The front lifting section 20 can be configured as shown in FIGS.

The front lifting section 20 of the embodiment shown in FIG. 14 has a plurality of lifting engaging pieces 20b formed at predetermined intervals in the front-rear direction, and the lifting member 32 is engaged with the lifting engaging pieces 20b. It is fixed and can be lifted with a crane.

The front lifting section 20 of the embodiment shown in FIG. 15 hangs a reinforcing rod 20c between a pair of prismatic steel materials 28, 28 at a predetermined interval in the front-rear direction, and suspends the reinforcing rod 20c in a recess 20c1 on both sides of the reinforcing rod 20c. 32 is fixedly engaged and can be lifted by a crane.

Further, the hanging portion 5 is provided in the manner shown in FIGS.
Can be configured as shown in FIG.

The hanging part 5 of the embodiment shown in FIG.
A plurality of locking claws 50b are formed on the plurality of flat plates 50 in the front-rear direction, and a rope for suspending the lifting material is locked on the locking claws 50b. Further, by changing the left and right positions of the locking claws 50b, the center frame 2 can be hung at an angle of a suspended load such as a lifting material, and a structure such as an outer wall plate for assembling a lifting object can be used. It is possible to carry out a load suspending operation according to the shape or the shape of a lifting object such as an outer wall plate.

The hanging part 5 of the embodiment shown in FIG.
Is provided with a plurality of flat plates 50 along the lower part of the front frame 3, and a plurality of locking holes 50c are formed in the flat plate 50 in the longitudinal direction as shown in FIG.
Attach the rope that suspends the lifting material to c. Also, by changing the left and right engagement positions between the locking holes 50c of the front flat plate 50 and the locking holes 50c of the rear flat plate 50, the angle of the central frame 2 and the suspended load such as the lifting material is set. It is possible to carry out a load hanging operation according to the shape of a structure or the like to which a lifting object such as an outer wall plate is to be assembled, or according to the shape of a lifting object such as an outer wall plate.

The hanging part 5 of the embodiment shown in FIG.
Is configured in the same manner as the embodiment of FIG. 17, but a plurality of locking pieces 50d are formed in the plurality of flat plates 50 in the longitudinal direction, and a rope for suspending the lifting material is engaged with the locking pieces 50d. It is configured to stop.

[0042]

As described above, according to the first aspect of the present invention, the front frame is longer than the width of the center frame and the width of the center frame is narrow. The frame can be prevented from interfering with the curing frame or the like, and can be lifted safely and efficiently.

According to the second aspect of the present invention, the front lifting portion and the rear lifting portion are provided on the central frame, and the counterweight can be easily attached and detached by the rear frame.
Moreover, since the front frame is longer than the center frame width and the center frame is narrow, the center frame can be prevented from interfering with the curing frame, etc. Can be lifted.

According to the third aspect of the present invention, the central frame is made of one or more steel materials, has a simple structure, and has rigidity while being narrow.

According to the fourth aspect of the present invention, a front lifting portion capable of changing the lifting position in the front-rear direction is provided on the front left and right sides of the center frame. The retraction distance can be changed.

According to the fifth aspect of the present invention, the hanging portion of the front frame can adjust the hanging position in the front-rear direction of the central frame or in the left-right direction of the central frame, and can form an angle between the central frame and the suspended load. By hanging
It is possible to carry out a load suspending operation according to the shape of a structure to which a lifting object such as an outer wall plate is to be assembled, or to the shape of a lifting object such as an outer wall plate.

[Brief description of the drawings]

FIG. 1 is a side view of a lifting jig.

FIG. 2 is a plan view of a lifting jig.

FIG. 3 is a front view of a lifting jig.

FIG. 4 is a rear view of the lifting jig.

FIG. 5 is a view showing a canta weight.

FIG. 6 is a view showing a state where a canta weight is attached.

FIG. 7 is a side view illustrating a retracting distance.

FIG. 8 is a plan view illustrating a pull-in distance.

FIG. 9 is a side view illustrating that the suspended load is suspended at an angle.

FIG. 10 is a plan view for explaining that a suspended load is suspended at an angle.

FIG. 11 is an elevational view of a building showing installation work of an outer wall plate.

FIG. 12 is a plan view of a building showing installation work of an outer wall plate.

FIG. 13 is a plan view showing another embodiment of the center frame of the lifting jig.

FIG. 14 is a side view showing another embodiment of the front lifting portion of the lifting jig.

FIG. 15 is a view showing another embodiment of the front lifting portion of the lifting jig.

FIG. 16 is a side view showing another embodiment of the hanging portion of the lifting jig.

FIG. 17 is a view showing another embodiment of the hanging portion of the lifting jig.

FIG. 18 is a front view showing another embodiment of the hanging portion of the lifting jig.

FIG. 19 is a side view of a conventional lifting jig.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lifting jig 2 Central frame 3 Front frame 4 Rear frame 5 Hanging part 20 Front hanging part 21 Rear hanging part 40, 41 Mounting part 10, 12 Counter weight

Claims (5)

[Claims] 1. A lifting jig having a front lifting portion and a rear lifting portion, the lifting jig being connected to a front portion of a center frame, being longer than the width of the center frame, and having a hanging portion for hanging a lifting material. A lifting jig comprising: a frame; and a counterweight connected to a rear side of the center frame. 2. A lifting jig having a front lifting portion and a rear lifting portion, a central frame provided with the front lifting portion and the rear lifting portion, a central frame connected to a front portion of the central frame, and a central frame width. A lifting frame, comprising: a front frame having a hanging portion for hanging a lifting material longer than the front frame; and a rear frame having a counterweight mounting portion connected to a rear side of the central frame. . 3. The center frame according to claim 1, wherein the center frame is made of one or more steel materials.
The jig for lifting described in the above. 4. A lifting device according to claim 1, wherein a front lifting portion capable of changing a lifting position in a front-rear direction is provided on the front left and right sides of the center frame. jig. 5. The hanging portion of the front frame is capable of adjusting a hanging position in the front-rear direction of the center frame or in the left-right direction of the center frame, and is configured to be able to be hung at an angle between the center frame and the suspended load. The lifting jig according to any one of claims 1 to 4, wherein the lifting jig is provided.