Suspended object support and suspension method
A cardboard-based suspending fixture with a magnetic attachment addresses the manufacturing and safety challenges of existing support tools, offering a cost-effective and secure method for suspending heavy objects.
Patent Information
- Application Number
- JP2021136284
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-08-24
- Publication Date
- 2025-05-07
- Estimated Expiration
- 2041-08-24
AI Technical Summary
Existing support tools for suspended objects are difficult to manufacture due to complex shapes, and they pose safety risks such as slipping or damaging the heavy object, especially when dealing with objects of special shapes or sizes.
A suspending fixture made from commercially available cardboard boxes, featuring a laminated portion with stacked cardboard boxes and a packaging portion that wraps around the laminated portion, with a magnetic plate adhered to the surface for secure attachment to the suspended object.
The solution provides a cost-effective, easily manufactured, and safe method for suspending heavy objects, with the compressive force applied perpendicular to the cardboard stacking direction enhancing resistance and preventing slipping or damage.
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Abstract
Description
[Technical field]
[0001] The present invention relates to a support for a suspended object that is brought into contact with an object to be suspended by a suspension rope, and a method for suspending an object using the support. [Background technology]
[0002] 2. Description of the Related Art Conventionally, when transporting heavy objects in factories or construction sites, a method of suspending a heavy object as a suspended object with a suspending rope slung on a crane has been known. When such a suspension method is adopted, a stopper is generally placed at the position where the heavy object comes into contact with the suspension rope (see, for example, Patent Documents 1 to 3). This is done from the viewpoint of reducing impact and friction to prevent the suspension rope from coming into contact with the heavy object and being damaged when the heavy object is suspended. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Japanese Patent Application Publication No. 09-216651 [Patent Document 2] Publication No. 60-193382 [Patent Document 3] US7014905 publication Summary of the Invention [Problem to be solved by the invention]
[0004] However, when a stopper is placed at a position where the suspension rope comes into contact with a heavy load, there is a safety risk that the stopper may slip and damage the heavy load, etc. For example, as shown in Patent Document 1, when a laminated paperboard is used as a stopper, there is a risk that the part that comes into contact with the suspension rope may buckle or cave in.
[0005] In addition, the stopper shown in Patent Document 2 can be made of steel, rubber, resin, or other elastic materials, but is not easy to manufacture because of its complex shape. Similarly, the stopper shown in Patent Document 3 has a complex shape and is not easy to manufacture.
[0006] It is also possible to make the pads out of wood, but in that case, the wood would need to be fumigated when exported together with heavy goods, which would increase costs. In addition, there are heavy objects with special shapes, such as test machines equipped with crossheads (housings) and vibration tables, and it was difficult to create a contact device to contact such heavy objects with special shapes using conventional technology. In such cases, the part that the suspension rope contacts was sometimes removed from the heavy object before shipping and then reassembled to the heavy object on site.
[0007] SUMMARY OF THE PRESENT EMBODIMENT An object of the present invention is to provide a device for a suspended object and a method for suspending a suspended object that are easy to manufacture, inexpensive and safe. [Means for solving the problem]
[0008] The hanging object support device of the present invention is A support for a suspended object is disposed between a contact portion of a magnetic body where the suspended object and the suspension rope come into contact when the suspended object is suspended by the suspension rope, An individual part having a laminated part in which a plurality of cardboards are laminated, and a wrapping part which is a cardboard wrapped around the laminated part; The above Lamination Department accomplish The layering direction of the cardboard Parallel and a magnetic plate portion that is attached to the surface.
[0009] This makes it possible to provide a device for a suspended object that is easy to manufacture, inexpensive, and safe, and a method for suspending a suspended object. In other words, the device for a suspended object is a simple structure that uses commercially available cardboard, and can be manufactured easily and inexpensively. In addition, the device for a suspended object is sandwiched between the heavy object and the hanging rope during suspension, and the compressive force caused by the sandwiching is applied in a direction perpendicular to the layering direction of the cardboard, so it can demonstrate strong strength. This makes it possible to prevent the hanging rope from shifting or slipping off due to the device for a suspended object buckling or collapsing, thereby improving safety.
[0010] In addition, the hanging object support of the present invention is The solid portion and the laminated portion have a rectangular prism shape, The packaging section wraps around all four sides of the individual section, including the top and bottom surfaces of the cardboard stacked in the stacking section, and is characterized in that both longitudinal ends of the packaging section overlap on one side of the stacking section. In this way, by overlapping both longitudinal ends of the packaging part, the both longitudinal ends of the packaging part can be firmly attached to each other, making it possible to prevent the both ends from shifting.
[0011] In addition, the hanging object support of the present invention is The device is characterized in that it has a plurality of the individual parts. In this way, by stacking a plurality of individual parts, the size of the support for a suspended object can be adjusted.
[0012] In addition, the hanging object support of the present invention is The laminated portion is formed by laminating any one of A-flute, B-flute, C-flute, and W-flute (AB-flute) corrugated boards defined in JIS Z 1516, The packaging section is characterized by being made by rolling up B-flute cardboard.
[0013] This allows the stacked cardboard layers to be fixed and bound, and the four wound sides to be arranged in a flat shape. It also distributes the local load from the hanging rope, increasing the surface pressure strength.
[0014] In addition, the hanging object support of the present invention is The solid part is characterized as being a rectangular parallelepiped having a width of 170±30 mm, a height of 150±30 mm, and a depth of 200±30 mm. This allows the solid portion to be appropriately set in accordance with the shape of the contact portion with the suspended object.
[0015] The suspension method of the present invention comprises the steps of: A method of suspending an object by disposing a support for a suspended object of the present invention between the contact portion of the object and the suspension rope, comprising: The plate portion is magnetically attached to the suspended object to attach the suspended object support to the suspended object; The object to be suspended is suspended by bringing the suspension rope into contact with the suspended object support attached to the suspended object. Effect of the Invention
[0016] According to the present invention, it is possible to provide a device for a suspended object and a method for suspending a suspended object that are easy to manufacture, inexpensive and safe. [Brief description of the drawings]
[0017] [Figure 1] 1A to 1C are diagrams showing how an object to be suspended is suspended with a suspension rope using a suspended object support device according to an embodiment of the present invention. [Diagram 2] 1 is a perspective view of a suspended object support device according to an embodiment, viewed from above. FIG. [Diagram 3] 1 is an exploded perspective view of a suspended object support device according to an embodiment, viewed from above. FIG. [Figure 4] FIG. 2 is a diagram showing the type of cardboard used in the suspended object support device according to the embodiment. [Diagram 5]11A and 11B are diagrams for explaining how the packaging section in the embodiment is wound around the laminated section. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0018] Next, a description will be given of a suspended object support device according to an embodiment of the present invention with reference to the drawings. As shown in Fig. 1(a) and (b), the suspended object support device 2 is disposed between the housing 4 and the hanging rope 6 so that when a heavy object 3, which is a suspended object, is suspended by the hanging rope 6, the suspended object does not come into direct contact with the hanging rope 6. Fig. 1(b) is a view of the heavy object 3 shown in Fig. 1(a) as viewed from the direction of the arrow B.
[0019] In this embodiment, the heavy load 3 is exemplified as a dynamic characteristic testing machine that measures the dynamic characteristics of engine mounts and various anti-vibration rubbers. Such heavy load 3 is composed of a base 5, a stand 7, an eyebolt 9, a support 11, and a housing 4 stacked in this order, and the entire heavy load 3 is lifted by fixing the lower end of a hanging rope 6 to the eyebolt 9 and hanging it. When the suspended object support 2 is not used, the housing 4 and the hanging rope 6 come into direct contact with the outer surface (contact portion) of the housing 4.
[0020] Fig. 2 is a perspective view of the suspended object support 2 according to the embodiment as viewed from above, and Fig. 3 is an exploded view thereof. As shown in Fig. 2, the suspended object support 2 has a rectangular parallelepiped shape and includes a solid part 8 and a plate part 10, and the solid part 8 includes a stacked part 12 and a packaging part 14. Note that Fig. 2 illustrates an example in which two solid parts 8 are stacked on the suspended object support 2, but the solid part 8 may be a single part, or three or four solid parts 8 may be stacked.
[0021] The laminated section 12 is a rectangular parallelepiped object made by stacking a number of rectangular corrugated cardboards as shown in Fig. 3. Here, the corrugated cardboard that constitutes the laminated section 12 is A-flute, B-flute, or C-flute corrugated cardboard as shown in Fig. 4(a), or W-flute (AB-flute) corrugated cardboard made by bonding together an A-flute and a B-flute as shown in Fig. 4(b).
[0022] The above-mentioned A flute, B flute, and C flute are cardboard standards defined by JIS Z 1516, with A flute referring to a thickness of approximately 5 mm (4.5 to 4.8 mm) and 34 ± 2 flutes per 30 cm, B flute referring to a thickness of approximately 3 mm (2.5 to 2.8 mm) and 50 ± 2 flutes per 30 cm, and C flute referring to a thickness of approximately 4 mm (3.5 to 3.8 mm) and 40 ± 2 flutes per 30 cm.
[0023] As shown in Fig. 5, the packaging part 14 is a B-flute corrugated cardboard that is wound around the stacked part 12, and wraps around all four sides of the solid part 8, including the top surface 12a and the bottom surface 12b of the stacked corrugated cardboard. Here, the top surface 12a and the bottom surface 12b each show a surface with a wavy step where the cross section is not visible.
[0024] Moreover, the packaging section 14 is wound so that both ends in the longitudinal direction overlap on one surface of the laminated section 12. In this manner, by overlapping both ends in the longitudinal direction of the packaging section 14, both ends in the longitudinal direction of the packaging section 14 can be firmly attached together, and the both ends can be made less likely to shift.
[0025] As described above, the individual part 8 is a rectangular parallelepiped having a width of 170±30 mm, a height of 150±30 mm, and a depth of 200±30 mm, and is formed by wrapping the packaging part 14 around the laminated part 12.
[0026] The plate portion 10 is a rectangular flat plate made of a magnetic material. Forming the laminated portion 12 The layering direction of the cardboard parallel death, packageThe support 2 is adhered to the surface of the mounting portion 14 that comes into contact with the housing 4. During hanging, the support 2 is sandwiched between the housing 4 and the hanging rope 6, and the compressive force caused by the sandwiching is applied in a direction perpendicular to the stacking direction of the cardboard. child Therefore, by disposing the plate portion 10 in such a position, the rigidity of the suspended object support 2 can be increased, and the bearing strength can be strengthened.
[0027] The suspended object support 2 having the structure described above is attached to the four sides of a rectangular prism-shaped housing 4, as shown in Fig. 1. Here, the housing 4 is a rigid magnetic body, and the suspended object support 2 is adhered to the housing 4 by magnetic force via the plate portion 10.
[0028] Next, when the lower end of the hanging rope 6 is fixed to the eyebolt 9 and the hanging rope 6 is slung onto the hook of a crane (not shown), the hanging rope 6 comes into contact with the suspended object support 2. At this time, the compressive force exerted on the suspended object support 2 by the housing 4 and the hanging rope 6 is applied in a direction perpendicular to the stacking direction of the cardboard.
[0029] When the suspending rope 6 is suspended by a crane in this state, the housing 4 is lifted with the suspending rope 6 in contact with the suspended object support 2, and is transported to a predetermined location. According to the invention of this embodiment, it is possible to provide a cheap and safe attachment for a suspended object and a method for suspending a suspended object, which can be easily manufactured. That is, the attachment 2 for a suspended object is a simple structure using commercially available cardboard, and can be easily and inexpensively manufactured. In addition, the attachment 2 for a suspended object is sandwiched between the housing 4 and the hanging rope 6 during suspension, and the compressive force caused by the sandwiching is applied in a direction perpendicular to the lamination direction of the cardboard, so that it can exhibit a strong resistance. Therefore, it is possible to prevent the suspension rope 6 from shifting or slipping off due to the buckling or collapse of the attachment 2 for a suspended object, and it is possible to improve safety.
[0030] In addition, by stacking any of the A-flute, B-flute, C-flute, and W-flute (AB-flute) cardboards defined in JIS Z 1516 to produce the laminated section 12, the stacked cardboard layers can be fixed and bound, and the four wound surfaces can be arranged in a flat shape. This allows the local load from the hanging rope 6 to be dispersed, increasing the surface pressure strength.
[0031] In addition, by making the solid part 8 a rectangular prism having a width of 170±30 mm, a height of 150±30 mm, and a depth of 200±30 mm, the solid part 8 can be appropriately set to match the shape of the contact part with the weight 3.
[0032] In addition, the suspended object support 2 is lightweight and therefore easy to attach. Even if the heavy object 3 has a special shape, such as a test machine equipped with a crosshead (housing) or a vibration table, the suspended object support 2 is small and therefore easy to attach, making it possible to perform hanging that was previously difficult.
[0033] In the above embodiment, any one of A-flute, B-flute, C-flute, and W-flute (AB-flute) corrugated cardboard is used for the stacking portion 12, but three layers of A-flute corrugated cardboard as shown in Fig. 4(c) may also be used. Also, C-flute corrugated cardboard may be used for the packaging portion 14.
[0034] In addition, in the above-described embodiment, the hanging ropes 6 can be made of stainless steel having a diameter of 12 mm to 18 mm, and the load-bearing capacity of the suspended object support 2 by the hanging ropes 6 is expected to be 12,000 N to 12,500 N for a hanging rope with a diameter of φ16. [Explanation of symbols]
[0035] 2 Brace for suspended object 3 Heavy objects 4. Chassis 5 units 6 Suspension rope 7 Mounting 8 Individual Part 9 Eyebolt 10 Plate section 11 Posts 12 Laminated section 12a Top 12b Bottom 14 Packaging Department
Claims
1. A support for a suspended object is disposed between a contact portion of a magnetic body where the suspended object and the suspension rope come into contact when the suspended object is suspended by the suspension rope, An individual part having a laminated part in which a plurality of cardboards are laminated, and a wrapping part which is a cardboard wrapped around the laminated part; A support for a suspended object, comprising: a magnetic plate portion that is adhered to a surface parallel to the stacking direction of the cardboard sheets that make up the stacked portion.
2. The solid portion and the laminated portion have a rectangular prism shape, The device for a suspended object as described in claim 1, characterized in that the packaging section wraps around all four sides of the individual part, including the top and bottom surfaces of the cardboard stacked in the stacked section, and both longitudinal ends of the packaging section overlap on one side of the stacked section.
3. 3. The support for a suspended object according to claim 1, further comprising a plurality of said individual parts.
4. The laminated portion is formed by laminating any one of A-flute, B-flute, C-flute, and W-flute (AB-flute) corrugated boards defined in JIS Z 1516, 4. The support for a suspended object according to claim 1, wherein the packaging portion is made by rolling up a B-flute cardboard.
5. The support for a suspended object according to any one of claims 1 to 4, characterized in that the solid part is a rectangular parallelepiped having a width of 170±30 mm, a height of 150±30 mm, and a depth of 200±30 mm.
6. A method for suspending an object by disposing the support for a suspended object according to any one of claims 1 to 5 between the contact portion of the object and the suspension rope, comprising: The plate portion is magnetically attached to the suspended object to attach the suspended object support to the suspended object; A hanging method comprising the steps of: suspending the object by bringing the hanging rope into contact with the suspended object support attached to the suspended object.
Citation Information
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