JPH07285624A - Lifting jig of heavy article - Google Patents

Abstract

PURPOSE:To surely lift a heavy article with a small force, reduce the working personnel at the work, improve the safety, and prevent the damage to the heavy article. CONSTITUTION:A lifting jig has a lever bar 14 having the part crossed to a horizontal support beam 12 as a rotation supporting point part 18. A hook member having a hook part 22A to be hooked on a heavy article 20 is mounted on one end side of the lever bar 14, and the other end side of the lever 14 bar is pushed down, whereby the heavy article 20 can be lifted with a small force by the principle of lever. The hook part 22A of the hook member is rotatable, and even when the angle of the lever bar 14 is changed, the hook part 22A is regularly laid in the state closely adhering to the heavy article 20. A lifting quantity regulating member 24 for regulating the rotating quantity of the lever bar 14 is mounted on the other end side of the lever bar 14, and the state where the heavy article 20 is lifted to a prescribed position can be easily held.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heavy article lifting jig used for lifting a heavy article such as a large copying machine.

[0002]

2. Description of the Related Art Usually, when unpacking a large-sized copying machine or the like that has been delivered to the destination of use, first, a plurality of ester bands that bind the outer box are cut to form an upper part that constitutes the outer box. Remove the cap and side cover, and also remove the packing material (cushion) that protects the product's upper surface and side 4 corners. Further, the four corner tapes of the lower cap constituting the outer box are peeled off and the lower cap is expanded to expose the lower cushion on which the product is placed.

After that, the product is lifted to remove the lower cushion under the product, the product is lowered onto the expanded lower cap, and the product is carried to a predetermined place through the casters provided on the lower surface of the product. I have to.

Conventionally, as described above, when a large copying machine or the like is lifted to remove the lower cushion, or when a heavy product having a weight of 100 kg or more is lifted, a plurality of people manually lift the crane or a crane. A method such as hanging a band on a heavy product with an attached truck and lifting the product is generally used.

[0005]

However, a large-sized copying machine or the like has a weight of 250 kg or more, and the former manual method is liable to upset the balance, and the product may be dropped and damaged, or the operator may be injured. There is a problem that there is a high risk such as. In addition, the latter method of hoisting with a truck with a crane has a problem that there is a risk that the hoisting band may damage the product or that the operation of the crane may damage the product.

The present invention has been made based on the above circumstances, and it is possible to reliably lift a heavy article with a small force,
An object of the present invention is to provide a lifting jig for heavy articles, which can reduce the number of workers during work, improve safety, and prevent damage to heavy articles.

[0007]

As a first means for solving the above problems, the present invention provides a heavy article by applying a lifting force to a lifting force acting portion of a heavy article which is an object to be held. A lifting jig for lifting a heavy article, comprising: a hooking member having a rotatable hooking portion that hooks on a lifting force acting portion of the heavy article that is the object to be held; A pivotable lever having a member on one end side and a pivoting fulcrum portion at a position near the one end side to which the latching member is attached, and a latching member when the other end side of the lever is pushed down. Comprises a rotation fulcrum part holding means for holding the rotation fulcrum part of the lever at a position higher than the lifting force application part of the heavy article in order to push up the lifting force application part of the heavy article. It is configured.

As a second means, there is provided a heavy article lifting jig for lifting a heavy article by applying a lifting force to a lifting force acting portion of a heavy article which is a held object, A latching member having a rotatable latching portion for latching to the lifting force acting portion of the heavy object which is the above-mentioned object to be held, and the latching member having the latching member on one end side and having the latching member attached thereto. And a pivotable lever having a pivotal fulcrum near one end, and a lever for pushing up the lifting force acting portion of the heavy article when the other end of the lever is pushed down. A pivotal fulcrum portion holding means for retaining the pivotal fulcrum portion of the rod at a position higher than the lifting force acting portion of the heavy article, and a lever provided on the other end side of the lever to lift the heavy article. And a lifting amount regulating member for regulating the amount of rotation of the lever when the other end of the rod is pushed down to regulate the amount of lifting of heavy articles. It is obtained by the configuration.

As a third means, there is provided a heavy article lifting jig for lifting a heavy article by applying a lifting force to a lifting force acting portion of a heavy article which is an object to be held. A latching member having a rotatable latching portion for latching to a lifting force acting portion of the heavy article which is the above-mentioned object to be held, and a latching member having the latching member at one end side and having the latching member attached And a pivotable lever having a pivotal fulcrum near one end, and a lever for pushing up the lifting force acting portion of the heavy article when the other end of the lever is pushed down. A rotation fulcrum part holding means for holding the rotation fulcrum part of the rod at a position higher than the lifting force acting part of the heavy article, and the other end side of the lever bar provided on the other end side of the lever bar. A pressing force receiving member that receives a pressing force for pressing down,
Lifting amount regulation provided on the other end side of the lever to regulate the amount of lifting of the heavy article by regulating the amount of rotation of the lever when the other end of the lever is pushed down to lift the heavy article. And a member.

As a fourth means, there is provided a heavy article lifting jig for lifting a heavy article by applying a lifting force to a lifting force acting portion of a heavy article which is an object to be held. A horizontal support rod, a support leg that supports both ends of the horizontal support rod and holds the horizontal support rod at a position higher than the lifting force acting portion of the heavy article, and the horizontal support rod that intersects the horizontal support rod. A plurality of levers parallel to each other and having pivoting fulcrums at intersections with the rods, which are rotatable with each other, and are attached to one end of each of the levers close to the pivoting fulcrum, respectively. A rotatable latching member having a latching portion for latching to the lifting force acting portion of a heavy article, which is an object, and a lever provided to the other end of the lever to lift the heavy article. Lifting amount regulating member that regulates the amount of rotation of the lever when pushing the other end to regulate the amount of lifting of heavy articles Is obtained by a cross bar is formed by and a pressing force receiving member for receiving a pressing force for pressing down the other end of the lever rod configuration between these Jijo amount regulating member.

[0011]

According to the lifting jig for heavy articles of the first means, the lifting force acting portion of the heavy article which is the object to be held is hooked by the hooking member provided on one end side of the lever. By pushing down the other end side of the lever with the stopper hooked, a heavy article can be lifted with a small force according to the lever principle. Moreover, since the hooking portion of the hooking member that is hooked to the lifting force acting portion of the heavy article is configured to be rotatable, even if the angle of the lever is changed, the hooking portion is always the heavy article. It is in a state of being in close contact with the lifting force acting portion, and the hooking portion does not come off from the lifting force acting portion of the heavy article. As a result, it is possible to reduce the number of workers during work, improve safety, and prevent damage to heavy articles.

Further, according to the lifting tool for heavy articles of the second means, the lifting force acting portion of the heavy article which is the object to be held is provided with the latching member provided on one end side of the lever. By pushing down the other end side of the lever with the hooking portion hooked, a heavy article can be lifted with a small force according to the lever principle. Moreover,
Even if the angle of the lever is changed, the hooking part will always hold the heavy goods because the hooking part of the hooking member that is hooked to the lifting force acting part of the heavy goods can rotate. Since it is in close contact with the upward force acting portion, the retaining portion does not come off from the upward force acting portion of the heavy article. As a result, it is possible to reduce the number of workers during work, improve safety, and prevent damage to heavy articles.

Further, a lifting amount restricting member provided on the other end side of the lever controls the amount of rotation of the lever when the other end of the lever is pushed down to lift the heavy object, thereby controlling the weight of the heavy object. Since it is possible to regulate the lifting amount of the, it is possible to easily hold the state in which the heavy article is lifted to a predetermined position. This makes it possible to improve operability during work.

According to the lifting jig for heavy articles of the third means, the lifting force acting portion of the heavy article which is the object to be held is provided with the latching member provided on one end side of the lever. By pushing down the other end side of the lever with the hooking portion hooked, a heavy article can be lifted with a small force according to the lever principle. Moreover,
Even if the angle of the lever is changed, the hooking part will always hold the heavy goods because the hooking part of the hooking member that is hooked to the lifting force acting part of the heavy goods can rotate. Since it is in close contact with the upward force acting portion, the retaining portion does not come off from the upward force acting portion of the heavy article. As a result, it is possible to reduce the number of workers during work, improve safety, and prevent damage to heavy articles.

Further, a lifting amount restricting member provided on the other end side of the lever controls the amount of rotation of the lever when the other end of the lever is pushed down to lift the heavy object, thereby controlling the weight of the heavy item. Since it is possible to regulate the lifting amount of the, it is possible to easily hold the state in which the heavy article is lifted to a predetermined position. This makes it possible to improve operability during work.

Further, since the pressing force receiving member is provided on the other end side of the lever and the pressing force for pressing down the other end side of the lever can be received at this portion, the pressing force receiving member is provided. You can operate using your foot as a foot rest, you can perform lifting operation more easily, and it becomes easier to hold heavy items while lifting them to a predetermined position, and you can use both hands, The operability can be further improved.

According to the fourth aspect of the lifting jig for heavy articles, the lifting force acting portion of the heavy article which is an object to be held is provided with a hooking member provided on one end side of the lever. By pushing down the other end side of the lever with the hooking portion hooked, a heavy article can be lifted with a small force according to the lever principle. Moreover,
Even if the angle of the lever is changed, the hooking part will always hold the heavy goods because the hooking part of the hooking member that is hooked to the lifting force acting part of the heavy goods can rotate. Since it is in close contact with the upward force acting portion, the retaining portion does not come off from the upward force acting portion of the heavy article. In addition, since there are a plurality of locking members for locking the lifting force acting portion of the heavy article, the supporting state is stable. As a result, it is possible to reduce the number of workers during work, improve safety, and prevent damage to heavy articles.

Further, a lifting amount restricting member provided on the other end side of the lever controls the amount of rotation of the lever when the other end of the lever is pushed down to lift the heavy product, thereby controlling the weight of the heavy object. Since it is possible to regulate the lifting amount of the, it is possible to easily hold the state in which the heavy article is lifted to a predetermined position. This makes it possible to improve operability during work.

Further, since the pressing force receiving member is provided on the other end side of the lever, and the pressing force for pressing down the other end side of the lever can be received at this portion, the pressing force receiving member is provided. You can operate using your foot as a foot rest, you can perform lifting operation more easily, and it becomes easier to hold heavy items while lifting them to a predetermined position, and you can use both hands, The operability can be further improved.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the lifting jig of the present invention will be described in detail below with reference to FIGS. First, with reference to FIGS. 1 to 3, the overall configuration of a lifting jig 1 for heavy articles of the present invention will be described.

The lifting jig 1 has a pair of support legs 10,
It has a horizontal support rod 12 which is horizontally supported by the support rod 10. Two levers 1 that intersect with the horizontal support rod 12 at a right angle and are in parallel with each other.
4 and 14 are provided, and these levers 14 and 14 are rotatably held with respect to the horizontal support rod 12 via support fittings 16 and 16.

In addition, one end side of the levers 14, 14 having the pivot fulcrums 18, 18 at the intersection with the horizontal support rod 12 near the pivot fulcrums 18, 18 is an object to be held. Lifting force acting portion 20A such as the bottom surface of a heavy article 20 such as a large copying machine
Locking members 22 each having a locking portion 22A for locking (see FIG. 3) are attached.

On the other hand, the other ends of the levers 14, 14 regulate the amount of rotation of the levers 14, 14 when the other ends of the levers 14, 14 are pushed down to lift the heavy article 20. And heavy goods 2
Lifting amount regulating members 24, 24 for regulating the lifting amount of 0 are attached.

A rod-shaped pushing force receiving member 26 for receiving a pushing force for pushing down the other ends of the lever rods 14 and 14 is horizontally mounted on the lower end side between the lifting amount regulating members 24 and 24. It is in a state.

The pushing force receiving member 26 is the lifting amount regulating member 2
It is attached to the lower end side of 4, 24 and also serves as a footrest 28 on which the operator's foot is put. In addition, as shown in FIG. 3, the height H ₁ of the horizontal support rod 12 that serves as the pivot fulcrums 18, 18 of the levers 14, 14 from the ground contact surface 30 is equal to
The height dimension of the support legs 10 and 10 is set to be higher (H ₁ > H ₂ ) than the height H _{2 of the} lifting force acting portion 20A which is the bottom surface of 0.

The horizontal support rod 12 and both support legs 10,
The rotation fulcrum holding means 31 is constituted by 10 and. Further, the lifting amount regulating members 24, 24 have a length dimension H ₃ from the mounting position of the lever 14 to the lower end surface 24A, respectively, when the lower end surface 24A abuts on the ground surface 30.
The lengths 4 and 14 are substantially horizontal.

Further, as shown in FIG. 3, the rotation fulcrum portion 1
When the length of the lever 14 is L, 8 and 18 are at a position of 2 / 10L from one end side and a position of 8 / 10L from the other end side. Then, the weight of the heavy article 20 is set to, for example, 25
When it is set to 0 kg, the force required to lift one side is about 31 kg.

Further, the lifting jig 1 can be disassembled into the state shown in FIG. That is, the horizontal support rod 12 and the support legs 10, 10 are connected to each other by screwing the screw portions 12A, 12A formed at both ends of the horizontal support rod 12, respectively.
This is performed by screwing the nut members 10A, 10A fixed to the Nos. 0, 10 to each other.

The lever rods 14, 14 and the latch member 22 are connected to each other by screwing the screw portions 14A, 14A formed at one end of the lever rods 14, 14 to the latch members 22, 22, respectively. 22B, 22B (see FIG. 3) by screwing.

Lever bars 14, 14 and lifting amount regulating members 24, 2
4 is connected by screwing the screw portions 14A, 14A formed at the other ends of the levers 14, 14 into the nut members 24B, 24B fixed to the lifting amount regulating members 24, 24. It is like this.

The lifting amount regulating members 24, 24 and the pushing force receiving member 26 are integrally fixed to the lifting amount regulating members 24, 24 by welding or the like at both ends of the pushing force receiving member 26. ing.

The support fitting 16 is formed by bending a strip-shaped metal plate into a U-shape, penetrating the lever 14 through the through holes 16A, 16A formed at both ends thereof, and then fixing the peripheral edge of the through hole 16A by welding. It has become a thing.

As one example of the assembling procedure, for example, the assembling can be performed in the order of reference signs A, B, C, D and E shown in FIG. First, as shown by A, the nut members 24B, 2 provided on the upper end side of the lifting amount regulating members 24, 24 that integrally have the pressing force receiving member 26 that becomes the footrest 28.
4B, the threaded portions 14A, 14 on the other end side of the levers 14, 14
A is screwed, and the pressing force receiving member 26 and the lifting amount regulating member 2
4, 24 and levers 14, 14 are integrated.

Next, as shown by B, one supporting leg 10
The screw member 12A on one end side of the horizontal support rod 12 is screwed into the nut member 10A of 1 to be integrated. Thereafter, as shown by C, a horizontal support rod 12 is formed between the U-shaped bottom portions of the support fittings 16, 16 attached to the levers 14, 14 and the lower surface of the levers 14, 14. Support rod insertion portions 16B, 16
After being inserted into B, the nut member 10A of the other support leg 10 is attached to the screw portion 1 on the other end side of the horizontal support rod 12 as shown by D.
2A is screwed and integrated.

Finally, as indicated by E, the lever 1
The nut members 22B and 22B of the hook members 22 and 22 are screwed into the threaded portions 14A and 14A on the one end sides of the screws 4 and 14, respectively, to complete the assembly.

The lifting jig 1 having the above structure is made of metal such as iron and aluminum. By the way, in this embodiment, the cold rolled steel material (SS41) is galvanized.

Further, the hooking members 22 and 22 are hooked to the lifting force acting portion 20A of the heavy article 20.
A and 22A are configured to be rotatable, and the lever 14,
Even if the angle of 14 changes, the hooking portions 22A and 22A are always in close contact with the lifting force acting portion 20A of the heavy article 20, so that the hanging portions 22A and 22A are lifted on the heavy article 20. It does not come off from 20A.

That is, as shown in FIG.
2 is a nut member 2 that is screwed with the threaded portion 14A of the lever 14.
A support member 22C made of an inverted L-shaped strip-shaped plate body having 2B in a vertical piece portion, and an L-shaped strip shape rotatably connected to a horizontal piece portion of the support member 22C via a hinge mechanism 22D. The hooking portion 22A is formed of a plate.

Further, as shown in FIG. 5, the hooking portion 22A has a bending angle Θ ₁ set to be smaller than a right angle so that the hooking portion 22A can be stably hooked to the lifting force acting portion 20A of the heavy article 20. It can be maintained. However, the angle Θ ₁
When the angle is around 60 °, the catch is too strong and the catch 22A
It becomes difficult to pull out from the lifting force acting portion 20A.

By the way, in this embodiment, the hook portion 22A is used.
Has a bending angle Θ ₁ of 85 °. Also, the hook 2
A rubber sheet 32 is attached to the surface of 2A to prevent slippage and prevent damage to the heavy article 20.

FIGS. 6 and 7 are views for explaining the usage of the lifting jig 1. FIG. 6 shows a state immediately before lifting when the lifting jig 1 is set on the heavy article 20, and FIG. Article 20
Shows the lifted state of.

First, as shown in FIG. 6, the retaining members 22, 2 are
After the 2 is hooked on the bottom of the heavy article 20 which is the lifting force acting section 20A, the pressing force receiving member 26 that also serves as the footrest 28 is pushed down by the foot as shown in FIG. It can be lifted with a small force according to the principle of. At this time,
The engaging portions 22A and 22A of the engaging members 22 and 22 are points of action,
Rotational fulcrum parts 18, 18 at the positions where the support fittings 16, 16 are arranged
Is the fulcrum, and the pressing force receiving member 26 is the force point.

Then, as shown in FIG. 7, the lower cushion 34 under the heavy article 20 is removed with the heavy article 20 being lifted. Next, referring to FIGS. 8 to 12, using the lifting jig 1 of the present invention, the heavy article 2
An outline of unpacking work when 0 is a large copying machine will be described.

FIG. 9 shows a heavy article (large copying machine) 200 in a packed state that has been carried in. The outer side is covered with an outer case 36, and a plurality of (four in the embodiment) ester bands 38 ... Are bound to the outer side. The outer box 36 includes an upper cap 36A that covers the upper portion of the heavy article (large copying machine) 20 and a side cover 36 that covers the side portions.
B, a lower cap 36C that covers the lower part.

In unpacking, first, the bound ester band 38 is cut to remove the upper cap 36A and the side cover 36B which form the outer box 36, and the heavy article (large copying machine). The packing material (cushion) (not shown) that protects the upper surface of 20 and the four side corners is removed. Further, the tape 40 of four corners of the lower cap 36C constituting the outer box 36 is peeled off, and the lower cap 36C is unfolded as shown in FIG. 9 so that the heavy article (large copying machine) 20 is mounted. Lower cushion 34
Is exposed.

Then, as shown in FIG. 10, in the gaps G, G formed between the lower cushion 34 and the side surface of the heavy article (large copying machine) 20, the hooking member 2 of the lifting jig 1 is provided.
2, 22A of the hooking portions 22A, 22A are inserted, the horizontal pieces of the hooking portions 22A, 22A are hooked on the bottom portion which is the lifting force acting portion 20A of the heavy article (large copying machine) 20, and the supporting legs are also supported. 10 and 10 are set on the expanded lower cap 36C.

At this time, the levers 14, 14 are attached to the hook member 2
The inclined state is that the one end side on which 2, 2 are attached is the inclined lower end. Then, as shown in FIG. 11, levers 14, 1
The lifting part 28, which is also used as the pressing force receiving member 26 that is laterally stretched between the lifting amount regulating members 24 and 24 connected to the four, is pushed down by the foot, and the heavy article (large copying machine) 20 is driven by the principle of leverage. It will be lifted with a small force. That is, as described above with reference to FIG. 3, for example, one side of a heavy article (large copying machine) 20 having a weight of 250 kg can be lifted by a force of about 31 kg.

Then, as shown in FIG. 12, with the heavy article (large copying machine) 20 being lifted, the lower cushion 34 under the heavy article (large copying machine) 20 is removed.

FIG. 13 shows a procedure from the mounting of the lifting jig 1 to the removal of the lower cushion and the release of the lifting operation. In FIG. 13, (a), (b), (c) ),
The order is (d).

However, since the lifting jig 1 is used as described above and the lever principle is used to lift the heavy article 20, a small number of people can work, and the number of workers is reduced. It is possible to plan.

Also, the lifting force acting portion 20A of the heavy article 20.
Since the latching portions 22A and 22A of the latches 22 and 22 that are latched on the hinges can be rotated by the hinge mechanism 22D, respectively, even if the angle of the lever bars 14 and 14 changes, the latching portion 2
2A and 22A are always the lifting force acting portion 20A of the heavy article 20.
Therefore, the hooking portions 22A and 22A do not come off the lifting force acting portion 20A of the heavy article 20. This makes it possible to improve safety and prevent damage to the heavy article 20.

Further, when the heavy article 20 is lifted up to a predetermined position, the levers 14, 14 become substantially horizontal, and the lifting amount regulating members 24, 24 provided on the other ends of the levers 14, 14 are provided.
Lower end surfaces 24A and 24A of the lever contact the ground contact surface 30 and the lever 1
Since the rotation of 4 and 14 is further restricted, it is possible to easily hold the state in which the heavy article 20 is lifted up to a predetermined position, and there is no hindrance when removing the lower cushion 36. As a result, the lower cushion 34 can be easily removed, and the operability can be improved.

Further, a pushing force receiving member 26 is provided at the other end side of the levers 14, 14 so that the pushing force for pushing down the other end side of the levers 14, 14 can be received at this portion. From the above, the pressing force receiving member 26 can be operated by using the foot as the footrest portion 28, the lifting operation can be performed more easily, and the heavy article 20 can be more easily held in a state of being lifted to a predetermined position. Both hands can be used, and the operability during work can be further improved.

It is needless to say that the present invention is not limited to the above-mentioned embodiment but can be variously modified. That is,
In the above-described embodiment, the lifting amount regulating members 24 and 24 provided on the other end side of the levers 14 and 14 and the pressing force receiving member 26 also serving as the footrest 28 are fixed, and the levers 14 and 14 are connected to each other. The intervals are constant. Then, although the structure in which the distance between the hook members 22 and 22 cannot be adjusted, as shown in FIG. 14, the levers 14 and 14 are connected to the arrows N and N.
Is movable in any direction, and the distance M between the hook members 22, 22 is M.
May be adjusted according to the size of the heavy article 20. That is, in this embodiment, the lifting amount regulating member 24 having the through holes 240A and 240A on the lower end side.
0, 240 is used to slidably push the pressing force receiving member 26 through the through holes 240A, 240A, thereby freely spacing the lifting amount regulating members 240, 240 from each other,
That is, the lifting members 22 and 240, which are integrally movable via the levers 14 and 14, and the lifting members 22 and 240,
The distance M between the two is adjusted.

In the description of FIG. 14, except that the lifting amount regulating members 240, 240 are used, the lifting jig 1 has the same structure as that of the above-described embodiment, and therefore the same portions are designated by the same reference numerals. The duplicate description is omitted. Moreover, since the usage method is the same, the description thereof is omitted.

Further, the lifting force acting portion 20A of the heavy article 20
The latching member for latching to the latch is the latching member 22 of the above-described embodiment.
The shape is not limited to the shape shown in FIG. 4 (see FIG. 4), and the shape shown in FIG. 15 may be used.

That is, the hook member 220 of this embodiment.
Is a support member 220C made of a belt-shaped plate and an L-shaped belt-shaped plate rotatably connected to one end of the support member 220C via a hinge mechanism 220D.
It is composed of a hooking portion 220A that hooks on the lifting force acting portion 20A of 0.

A holding member 50 having a lever rod insertion groove 50A is attached to the upper surface of the support member 220C through screws 52, and the lever rod 140 is sandwiched between the support member 220C and the holding member 50. Fixed by. Further, a screw 54 is screwed into a position of the pressing member 50 corresponding to the lever rod insertion groove 50A to prevent the lever rod 140 from coming off.

The bending angle Θ ₁ of the hook 220A is 85 °. Further, a rubber sheet 320 is attached to the surface of the hooking portion 220A for preventing slippage and preventing the heavy article 20 from being damaged.

The hook member 22 shown in FIG.
Other than the mounting structure for the 0 and lever 140, the structure is exactly the same as that of the lifting jig 1 of the above-described embodiment, and thus the duplicate description of the entire structure is omitted. Moreover, since the usage method is the same, the description thereof is omitted.

Also, the lifting force acting portion 20A of the heavy article 20.
The latching member to be latched on may be shaped as shown in FIG. That is, the hooking member 221 of this embodiment is composed of an L-shaped rod-shaped body whose lower end side is a hooking portion 221A that hooks on the lifting force acting portion 20A of the heavy article 20, and its upper end portion is a pivot pin. It is rotatably attached to one end side of the lever 141 via 60.

The upper end side of the latch member 221 and the lever 141
One end side thereof is formed in a semicircular cross section, and these flat portions 141A and 221B are in a state of facing each other, and the latching member 221 is rotatable with the flat portion 141A of the lever bar 141 as a guide. Has become.

The bending angle Θ ₁ of the hook portion 221A is 85 °. In addition, on the surface of the hanging portion 221A,
A rubber sheet may be coated to prevent slippage and prevent damage to the heavy article 20.

The latch member 22 shown in FIG.
1 except the mounting structure for the lever 1 and the lever 141, the structure is exactly the same as that of the lifting jig 1 of the above-described embodiment, and thus the duplicated description of the entire structure is omitted. Moreover, since the usage method is the same, the description thereof is omitted.

Further, the lifting force acting portion 20 of the heavy article 20
The hooking member hooked on A may have a shape as shown in FIG. That is, the hook member 222 of this embodiment is
A strip plate-shaped spring steel is used as a material, and a lower end side thereof is bent into an L shape, and a lifting force acting portion 20A of the heavy article 20 is formed.
The upper end side is obliquely extended to form a support portion 222B. Also,
A reinforcing bead 222C is formed on the hooking portion 222A so that a certain angle can be maintained so that the supporting state is not lost when the heavy article 20 is lifted.

As in the case of FIG. 15, a holding member 50 having a lever insertion groove 50A is attached to the upper surface of the support portion 222B via screws 52, and the lever 140 is connected to these support portions 222B. It is fixed by being sandwiched with the holding member 50. Further, the lever rod insertion groove 50A of the pressing member 50
A screw 54 is screwed into the position corresponding to the position so as to prevent the lever 140 from coming off.

Therefore, in this embodiment, as shown in FIG.
18 (a), the hooking portion 222A is hooked on the lifting force acting portion 20A of the heavy article 20, and then the other end of the lever 140 is pushed down as shown in FIG. 18 (b) to reduce the weight. When the article 20 is lifted, the hooking portion 222A is rotated by elastic deformation of the connecting portion 222D of the hooking portion 222A and the support portion 222B.

The bending angle Θ _{1 of the} hook 222A is 85 °. Also, on the surface of the hanging portion 222A,
A rubber sheet for preventing slippage and damage to the heavy article 20 may be attached.

Except for the mounting structure for the latch member 222 and the lever 140 shown in FIG. 17, the structure is exactly the same as that of the lifting jig 1 of the above-described embodiment, and therefore the duplicated description of the entire structure is omitted. . Moreover, since the usage method is the same, the description thereof is omitted.

Further, in the above-mentioned one embodiment, the one provided with a pair of levers has been described, but as shown in FIG.
It may be configured to have a book lever 142 and one hook member 223.

That is, in this embodiment, the lever 1
The lifting force acting portion 20A of the heavy article 20 is provided on one end side of the 42.
A wide locking portion 223 that locks in a relatively wide range with respect to
A wide hooking member 223 having A is attached.

The latching member 223 is a support member 223C made of an inverted L-shaped strip plate having a nut member (not shown) screwed to the threaded portion (not shown) of the lever 142 on its vertical piece. The latching portion 223A is composed of an L-shaped strip-shaped plate body rotatably connected to a horizontal piece of the supporting member 223C via a hinge mechanism 223D. Hook 2
A rubber sheet 320 is attached to 23A.

On the other hand, the other end of the lever 142 is bent downward, and a lifting amount regulating member 241 is attached to the tip thereof. The lifting amount regulating member 241 is formed by bending the strip plate into a state having a horizontal piece 241A and vertical pieces 241B, 241B hanging from both ends of the horizontal piece 241A. On the lower end side of 241B, a pressing force receiving member 260 which becomes a footrest 280 is laterally suspended. For example, knurling is applied to the footrest 280 as a slip stopper.

The rest of the configuration, usage and the like are exactly the same as those of the lifting jig 1 of the above-described embodiment, and thus the duplicated description will be omitted. Further, as shown in FIG. 20, the lever bar 143 may have one lever 143 and one hook member 224, and the lever bar 143 may be restricted from rotating in the axial direction.

That is, in this embodiment, the lever 1
The lifting force acting portion 20A of the heavy article 20 is provided on one end side of the 43.
A hooking member 224 having a hooking portion 224A for hooking is attached. A support fitting 16 integrally having a rotation stopping member 62 extending in the length direction along the outer periphery of the horizontal support rod 12.
0 is used.

The retaining member 224 is a support member 224C made of an inverted L-shaped strip-shaped plate body having a nut member (not shown) screwed with a threaded portion (not shown) of the lever bar 143 on a vertical piece. The latching portion 224A, which is an L-shaped strip-shaped plate body, is rotatably connected to a horizontal piece of the support member 224C via a hinge mechanism 224D.

On the other hand, a lifting amount regulating member 242 is attached to the other end of the lever 143. Lifting amount regulating member 242
Has a pair of hanging vertical piece portions 241A, 241A, and a pressing force receiving member 261 serving as a foot hanging portion 281 is laterally suspended on the lower end side of these vertical piece portions 241A, 241A. For example, knurling is applied to the footrest 281 as a slip stopper.

The rest of the construction, usage and the like are exactly the same as those of the lifting jig 1 of the above-mentioned embodiment, so that duplicated explanation will be omitted. In addition, it goes without saying that the present invention can be variously modified without departing from the spirit of the invention.

[0079]

As described above, the present invention has the following effects. According to the lifting jig for heavy articles of claim 1, the lifting force acting portion of the heavy article which is the object to be held is hooked with the hooking portion of the hooking member provided on one end side of the lever. By pushing down the other end of the lever in the stopped state, a heavy article can be lifted with a small force according to the lever principle. Moreover, since the hooking portion of the hooking member that is hooked to the lifting force acting portion of the heavy article is configured to be rotatable, even if the angle of the lever is changed, the hooking portion is always the heavy article. It is in a state of being in close contact with the lifting force acting portion, and the hooking portion does not come off from the lifting force acting portion of the heavy article. As a result, it is possible to reduce the number of workers during work, improve safety, and prevent damage to heavy articles.

Further, according to the lifting jig for heavy articles of claim 2, the lifting force acting portion of the heavy article which is an object to be held,
By pushing down the other end of the lever with the hooking part of the hooking member provided at one end of the lever pressed down, heavy items can be lifted with a small force according to the principle of leverage. . Moreover, since the hooking portion of the hooking member that is hooked to the lifting force acting portion of the heavy article is configured to be rotatable, even if the angle of the lever is changed, the hooking portion is always the heavy article. It is in a state of being in close contact with the lifting force acting portion, and the hooking portion does not come off from the lifting force acting portion of the heavy article. As a result, it is possible to reduce the number of workers during work, improve safety, and prevent damage to heavy articles.

Further, the lifting amount regulating member provided on the other end side of the lever controls the amount of rotation of the lever when the other end of the lever is pushed down to lift the heavy article, thereby controlling the weight of the heavy item. Since it is possible to regulate the lifting amount of the, it is possible to easily hold the state in which the heavy article is lifted to a predetermined position. Thereby, the operability at the time of work can be improved.

In addition, according to the lifting jig for heavy articles of claim 3, the lifting force acting portion of the heavy article which is an object to be held,
By pushing down the other end of the lever with the hooking part of the hooking member provided at one end of the lever pressed down, heavy items can be lifted with a small force according to the principle of leverage. . Moreover, since the hooking portion of the hooking member that is hooked to the lifting force acting portion of the heavy article is configured to be rotatable, even if the angle of the lever is changed, the hooking portion is always the heavy article. It is in a state of being in close contact with the lifting force acting portion, and the hooking portion does not come off from the lifting force acting portion of the heavy article. As a result, it is possible to reduce the number of workers during work, improve safety, and prevent damage to heavy articles.

Further, the lifting amount restricting member provided on the other end side of the lever controls the amount of rotation of the lever when the other end of the lever is pushed down to lift the heavy product, thereby controlling the weight of the heavy product. Since it is possible to regulate the lifting amount of the, it is possible to easily hold the state in which the heavy article is lifted to a predetermined position. This makes it possible to improve operability during work.

Further, since the pressing force receiving member is provided on the other end side of the lever and the pressing force for pressing down the other end side of the lever can be received at this portion, the pressing force receiving member is You can operate using your foot as a foot rest, you can perform lifting operation more easily, and it becomes easier to hold heavy items while lifting them to a predetermined position, and you can use both hands, The operability can be further improved.

According to the lifting jig for heavy goods of claim 4, the lifting force acting portion of the heavy goods which is an object to be held,
By pushing down the other end of the lever with the hooking part of the hooking member provided at one end of the lever pressed down, heavy items can be lifted with a small force according to the principle of leverage. . Moreover, since the hooking portion of the hooking member that is hooked to the lifting force acting portion of the heavy article is configured to be rotatable, even if the angle of the lever is changed, the hooking portion is always the heavy article. It is in a state of being in close contact with the lifting force acting portion, and the hooking portion does not come off from the lifting force acting portion of the heavy article. In addition, since there are a plurality of locking members for locking the lifting force acting portion of the heavy article, the supporting state is stable. This reduces the number of workers during work,
It is possible to improve safety and prevent damage to heavy articles.

Further, the lifting amount regulating member provided on the other end side of the lever controls the amount of rotation of the lever when the other end of the lever is pushed down to lift the heavy article, thereby controlling the weight of the heavy article. Since it is possible to regulate the lifting amount of the, it is possible to easily hold the state in which the heavy article is lifted to a predetermined position. This makes it possible to improve operability during work.

Further, since the pushing force receiving member is provided on the other end side of the lever, and the pushing force for pushing down the other end side of the lever can be received at this portion, the pushing force receiving member is provided. You can operate using your foot as a foot rest, you can perform lifting operation more easily, and it becomes easier to hold heavy items while lifting them to a predetermined position, and you can use both hands, The operability can be further improved.

[Brief description of drawings]

FIG. 1 is a perspective view of an assembled state showing an embodiment of a lifting jig for heavy articles of the present invention.

FIG. 2 is an exploded perspective view of a lifting jig for heavy articles shown in FIG.

3 is a cross-sectional side view of the lifting jig for heavy articles shown in FIG.

FIG. 4 is an enlarged perspective view of a locking member that is a main part of the embodiment.

FIG. 5 is a side view of a hooking portion which is a main part of the hooking member of the embodiment.

FIG. 6 is an explanatory view showing a usage state of the embodiment and showing a state in which a lifting jig is set.

FIG. 7 is an explanatory view showing a usage state of the embodiment and showing a state where a heavy article is lifted by a lifting jig.

FIG. 8 is a perspective view showing a process before unpacking using the lifting jig of the embodiment, showing a state before unpacking.

FIG. 9 is a perspective view showing a process of unpacking by using the lifting jig of the embodiment, showing a state in which the lifting jig is unpacked to a usable state.

FIG. 10 is a perspective view showing a state in which the lifting jig is set, showing a process of unpacking using the lifting jig of the embodiment.

FIG. 11 is a perspective view showing a process of unpacking using the lifting jig of the embodiment, showing a state in which the lifting jig is set and a heavy article is lifted.

FIG. 12 is a perspective view showing a process of unpacking using the lifting jig of the embodiment, showing a state where the lifting jig is set, a heavy article is lifted and a lower cushion is pulled out.

FIG. 13 is an explanatory view showing a procedure of using the lifting jig of the embodiment.

FIG. 14 is a perspective view of an assembling state showing a first embodiment of a lifting jig for heavy articles of the present invention.

FIG. 15 is a perspective view showing a first modified example of a hooking member portion which is a main part of a lifting jig for heavy articles of the present invention.

FIG. 16 is a perspective view showing a second modified example of a hooking member portion which is a main part of a lifting jig for heavy articles of the present invention.

FIG. 17 is a perspective view showing a third modified example of a hooking member portion which is a main part of a lifting jig for heavy articles of the present invention.

FIG. 18 is an explanatory view showing a usage state in the case where the hooking member shown in FIG. 17 is provided.

FIG. 19 is a perspective view of an assembling state showing a second embodiment of the lifting jig for heavy articles of the present invention.

FIG. 20 is a perspective view of a heavy article lifting jig according to a third embodiment of the present invention in an assembled state.

[Explanation of symbols]

1 ... Lifting jig, 10 ... Support leg, 12 ... Horizontal support rod, 14
... Lever bar, 16 ... Supporting metal fitting, 18 ... Rotating fulcrum part, 20 ... Heavy article which is an object to be held, 20A ... Lifting force acting part, 22 ...
Latch member, 22A ... Latch portion, 24 ... Lifting amount regulating member, 2
6 ... Pressing force receiving member, 28 ... Footrest part, 31 ... Rotating fulcrum holding means, 140, 141, 142, 143 ... Lever bar, 2
20,221,222,223,224 ... Latch member, 2
20A, 221A, 222A, 223A, 224A ... Hooking portion, 240, 241, 242 ... Lifting amount regulating member, 26
0, 261 ... Pressing force receiving member, 280, 281 ... Foot rest part.

Claims (4)

[Claims] 1. A lifting jig for a heavy article, which lifts a heavy article by applying a lifting force to a lifting force acting portion of the heavy article, which is a carried article. A latching member having a rotatable latching portion for latching a lifting force acting portion of a certain heavy article, and a position having the latching member on one end side and being close to the one end side to which the latching member is attached A pivotable lever having a pivotal fulcrum portion, and the pivoting fulcrum of the lever so that when the other end of the lever is pushed down, the latch member pushes up the lifting force acting portion of the heavy article. Lifting fulcrum portion holding means for holding the portion at a position higher than the lifting force acting portion of the heavy article, and a lifting jig for the heavy article. 2. A lifting jig for a heavy article that lifts a heavy article by applying a lifting force to a lifting force acting portion of the heavy article that is a carried object, A latching member having a rotatable latching portion for latching a lifting force acting portion of a certain heavy article, and a position having the latching member on one end side and being close to the one end side to which the latching member is attached A pivotable lever having a pivotal fulcrum portion, and the pivoting fulcrum of the lever so that when the other end of the lever is pushed down, the latch member pushes up the lifting force acting portion of the heavy article. Rotation fulcrum portion holding means for holding the portion at a position higher than the lifting force acting portion of the heavy article, and the other end side of the leverage rod provided at the other end side of the leverage rod to lift the heavy article. A lifting amount regulating member that regulates the amount of rotation of the lever when pushed down to regulate the amount of lifting of heavy articles. Lifting jig for quantity items. 3. A lifting jig for a heavy article that lifts a heavy article by applying a lifting force to a lifting force acting portion of the heavy article that is a carried object, A latching member having a rotatable latching portion for latching a lifting force acting portion of a certain heavy article, and a position having the latching member on one end side and being close to the one end side to which the latching member is attached A pivotable lever having a pivotal fulcrum portion, and the pivoting fulcrum of the lever so that when the other end of the lever is pushed down, the latch member pushes up the lifting force acting portion of the heavy article. Rotation fulcrum portion holding means for holding the portion at a position higher than the lifting force acting portion of the heavy article, and a pressing force provided on the other end side of the lever bar for pushing down the other end side of the lever bar. A pressing force receiving member that receives the pressing force, and a rotation of the lever when the other end of the lever is pushed down to lift the heavy article. Lifting jig weight articles to the Jijo amount regulating member for regulating the amount lift weight articles to regulate the amount, characterized by comprising comprises a. 4. A lifting jig for a heavy article that lifts a heavy article by applying a lifting force to a lifting force acting portion of a heavy article, which is an object to be held, including a horizontal support rod. A support leg that supports both ends of the horizontal support rod and holds the horizontal support rod at a position higher than the lifting force acting portion of the heavy article, and a crossing portion that intersects the horizontal support rod and intersects the horizontal support rod. A plurality of levers that have a rotation fulcrum part and are rotatable in parallel with each other, and a plurality of levers attached to one end side of these levers near the rotation fulcrum part, respectively A rotatable latching member having a latching portion for latching to the lifting force acting portion, and the other end of the lever that is provided on the other end of the lever and is pressed down to lift the heavy article. Lifting amount regulating member for regulating the amount of rotation of the lever when lifted to regulate the lifting amount of heavy articles, and these lifting amount regulating members Lifting jig weight articles, wherein the pressing force receiving member is laterally placed receipt of a depression force for depressing the other end of the levers bar to become comprises a between wood.