Plural simultaneous production device for sandbags

The apparatus efficiently produces multiple large-capacity sandbags on uneven sites by using cylindrical parts with connecting and lifting mechanisms, addressing inefficiencies in existing technologies.

JP7706674B1Active Publication Date: 2025-07-11SUN TEC CO LTD
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Patent Information

Application Number
JP2025064567
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2025-07-11
Estimated Expiration
2045-04-09

AI Technical Summary

Technical Problem

Existing sandbag manufacturing technologies are inefficient in producing a large number of large-capacity sandbags on uneven sites, often requiring significant manual effort and equipment that may not fit or warp due to ground irregularities.

Method used

A sandbag manufacturing apparatus composed of multiple cylindrical parts with connecting, lifting, and tipping support features, allowing simultaneous production of sandbags by turning sideways and filling vertically, using seamless steel pipes for strength and stability.

Benefits of technology

Enables efficient production of multiple large-capacity sandbags on uneven terrain, reducing manual labor and equipment distortion, while allowing easy separation and transport.

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Abstract

Providing a technology capable of efficiently manufacturing a plurality of large-capacity sandbags. 【Solution means】A sandbag manufacturing apparatus having a frame portion, a plurality of cylindrical portions, a connecting portion, a lid portion, a lifting locking portion, and a tipping support portion, wherein the cylindrical portions are arranged in a plurality such that both ends are open to the lid portion provided in the frame portion. When setting the sandbag, the cylindrical portion is placed horizontally with the tipping support portion as a fulcrum, and when filling the sandbag with earth and sand, it can be placed vertically to be suitable for each operation. Each cylindrical portion is connected to each other by a connecting portion on the circumferential surface of the cylindrical portion, and a lifting locking portion for lifting one side of the apparatus and the entire apparatus is provided.
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Description

Technical Field

[0001] The present invention relates to an apparatus for simultaneously manufacturing a plurality of sandbags at a site where sandbags are required. More specifically, the present invention relates to a sandbag manufacturing apparatus that can be oriented in a work - suitable direction and can simultaneously manufacture a plurality of sandbags when setting the sandbag bags and when filling the sandbag bags with earth and sand respectively.

Background Art

[0002] In recent years, due to the influence of global warming and other factors, floods caused by heavy rain such as linear precipitation bands and guerrilla rainfall have frequently occurred in various places. Conventionally, when floods or the like occur, measures may be taken to prevent the outflow of water from rivers etc. using sandbags. A sandbag is a thing in which earth, sand, etc. are put into a strong and airtight bag. By stacking a plurality of sandbags in a wall shape, it blocks the outflow of water and reinforces levees etc. There are various sizes, from those of about 10 kg to those of about 2 t. When using those of about 2 t, transportation becomes large - scale, so it is conceivable to manufacture them on - site. When trying to put a large amount of earth and sand into the bag in a short time, it is very difficult and dangerous for a person to support the bag. Also, when there is a high degree of urgency, it is required that a plurality of sandbags can be efficiently manufactured at once. Therefore, a technology that can efficiently manufacture a plurality of large - capacity sandbags is required. Also, since the sites where sandbags are manufactured are often not in a state of being flatly leveled, a technology that can manufacture sandbags without problems even if there are some bumps or depressions on the ground is required.

[0003] In response to such problems, various techniques have been proposed conventionally. For example, the inventor himself proposed and it has become a known technique to provide a technique capable of efficiently manufacturing a plurality of large-capacity sandbags (see Patent Document 1). More specifically, it is a sandbag manufacturing apparatus 1 composed of a plurality of cylindrical portions 100 opened vertically, a lifting connection portion 200 provided on all line segments connecting the axial centers of the cylinders of the plurality of cylindrical portions 100, a lifting portion 210 for lifting the entire apparatus provided at the midpoint of the lifting connection portion 200, and a reinforcing connection portion 300 for preventing distortion of the cylindrical portion 100 during lifting by the lifting portion 210. The lifting portion 210 is provided at a height of two-thirds or less of the height of the cylinder, and the reinforcing connection portion 300 is at a height of one-fourth or less of the height of the cylindrical portion 100 from the lower end on the ground side of the cylinder and is provided outside all line segments connecting the axial centers of the cylinders, so that the plurality of cylinders maintain rigidity as a whole. In this technique, the time required for filling a plurality of sandbags with earth and sand is significantly reduced. However, since the operation of installing the sandbag into the cylindrical portion is the same as before, it is not very efficient. In addition, there is a possibility that the space for arranging and working on a plurality of cylindrical portions cannot be secured depending on the work site. Therefore, the solution to the above problem has not been completely achieved.

[0004] Also, a sandbag manufacturing apparatus (see Patent Document 2) capable of manufacturing a large number of sandbags at once has been proposed and has become a known technique. More specifically, it has a large number of partition chambers (14) formed by partition walls arranged in a lattice pattern, a main body (12) opened at the upper and lower sides, and is configured such that the upper end is closed by pulling a string passed through a folded-back portion provided on the outer peripheral portion of the upper end. It includes sandbags arranged in each of the partition chambers and a top plate (16) placed on the main body when filling the sandbags with earth and sand. The top plate is provided with openings (16a) at positions corresponding to each partition chamber when placed on the main body. By stretching a pipe passed through the string of the sandbag filled with earth and sand over the main body and lifting the main body, a device (10) is provided that is configured to tighten the string of the sandbag to manufacture the sandbag. This technology significantly reduces the time required for filling a large number of sandbags with soil and tightening the strings, but it is not very efficient because the work of installing sandbags in each compartment must be done as before. Also, the large number of compartments formed by partitions arranged in a lattice pattern have a structure in which the compartments themselves will warp if the ground is not flat, which will hinder sandbag production, and depending on the work site, there may be no space to install the equipment and work. Therefore, the above problems have not been completely solved.

[0005] In addition, sandbags can be easily transported to places where they are needed in the event of a disaster such as a storm or flood, allowing them to be delivered efficiently and quickly. A sandbag manufacturing unit (see Patent Document 3) that can manufacture sandbags in a short time and can be easily stored under normal circumstances has been proposed and is a publicly known technique. More specifically, the unit is composed of a frame 2 made of a prismatic material having a required strength that allows the equipment for manufacturing sandbags 100 to be installed and allows loading and unloading onto a vehicle 200, a funnel-shaped hopper 10 that pours soil into the sandbags 101, a sealing device 20 that seals the opening of the sandbags 101 after the soil has been inserted into the sandbags 101, and a conveyor 30 that is arranged between the hopper 10 and the sealing device 20 for moving the sandbags. The use of conveyors allows sandbags to be produced quickly and efficiently, but it does not solve the above problem because multiple sandbags cannot be produced at the same time.

[0006] In an attempt to solve these problems, the inventors focused on a structure consisting of multiple cylindrical shapes, and came to propose an "apparatus for simultaneously manufacturing multiple sandbags." [Prior art documents] [Patent documents]

[0007] [Patent Document 1] Patent No. 5951088 [Patent Document 2] Utility Model Registration No. 312440 [Patent Document 3] Patent No. 7145473 Summary of the Invention

Problems to be Solved by the Invention

[0008] In view of the problem that a large number of sandbags cannot be efficiently manufactured on site, the present invention provides a means for solving this problem by a structure composed of a plurality of cylindrical parts.

Means for Solving the Problems

[0009] The apparatus for simultaneously manufacturing a plurality of sandbags according to the present invention is a sandbag manufacturing apparatus having a plurality of cylindrical parts, a connecting part, a lid part, a lifting locking part, and a tipping support part, wherein the cylindrical parts are arranged in plurality such that both ends are open to the lid part provided in the frame part, and when setting the sandbag bag, the cylindrical part is turned sideways with the tipping support part as a fulcrum, and when filling the sandbag bag with earth and sand, it can be set in a vertical direction suitable for each operation, and each of the cylindrical parts is connected to each other by a connecting part on the circumferential surface of the cylindrical part, and a lifting locking part for lifting one side of the apparatus and the entire apparatus is provided.

[0010] Further, the present invention can also adopt a configuration in which the cylindrical part is attached to the lid part via a flange-type sleeve.

[0011] Further, the present invention can also adopt a means in which the cylindrical part is composed of a seamless steel pipe.

[0012] Further, the present invention can also adopt a means in which the cylindrical part is composed of six.

Advantages of the Invention

[0013] According to the sandbag manufacturing apparatus of the present invention, a plurality of large-capacity sandbags can be efficiently manufactured at a site that has not been leveled, which can reduce the man-hours of work and costs.

Brief Description of the Drawings

[0014]

Figure 1

Figure 2

Figure 3

Figure 4

Embodiments for Carrying Out the Invention

[0015] The sandbag manufacturing apparatus of the present invention is characterized in that the sandbag manufacturing efficiency can be improved by a structure composed of a plurality of cylindrical shapes. Hereinafter, embodiments will be described with reference to the drawings. Note that the overall shape and the shape of each part of the sandbag manufacturing apparatus shown in this embodiment are not limited to the embodiments described below, and can be changed within the scope of the technical idea of the present invention, that is, within the scope of shapes and dimensions that can exhibit the same operational effects. (Example 1)

[0016] The present invention will be described according to FIGS. 1 to 4. FIG. 1 is an overall perspective view of the apparatus for simultaneously manufacturing a plurality of sandbags according to the present invention. FIG. 2 is a three-view drawing of the sandbag manufacturing apparatus according to the present invention. FIG. 3 is an explanatory drawing showing the fulcrums to which loads are applied when the sandbag manufacturing apparatus according to the present invention is erected and overturned. FIG. 4 is a drawing showing the sandbag manufacturing process by the apparatus for simultaneously manufacturing a plurality of sandbags according to the present invention.

[0017] Figure 1 is an overall perspective view of the multiple simultaneous soil bag manufacturing apparatus according to the present invention. Figure 2 is a three-view drawing of the soil bag manufacturing apparatus according to the present invention. Hereinafter, each part will be described in detail. The multiple simultaneous soil bag manufacturing apparatus 1 mainly comprises a frame part 11, a cylindrical part 10, and a connecting part 20. Generally speaking, in the multiple simultaneous soil bag manufacturing apparatus 1, the lifting locking part 21 without the tilting support part 60 is pulled upward by a wire Y so that the tilting support part 60 is on the lower side, thus turning the cylindrical part 10 sideways, covering it with a soil bag F, filling the soil bag F with earth and sand D. After the soil bag is completed, the multiple simultaneous soil bag manufacturing apparatus 1 is pulled upward by the wire Y, and the completed soil bag remains on the ground. This is the soil bag manufacturing apparatus in this form.

[0018] The frame part 11 serves as the base of the multiple simultaneous soil bag manufacturing apparatus 1 according to the present invention. Through the connecting part 20 connected to such a frame part 11, a plurality of cylindrical parts 10 are provided, which serves as the base for constituting the whole.

[0019] The cylindrical part 10 has a cylindrical shape with openings facing upward and downward. When covering the outside with a soil bag F and manufacturing a soil bag, it guides the earth and sand to the opening of the soil bag F and plays a role in supporting the soil bag F. When manufacturing 1t (ton) and 2t (ton) soil bags, since the pressure from the soil bag to the support is very large, it is desirable that the cylindrical part 10 be made of metal. Also, since it is desirable to have uniform strength in the circumferential direction against the pressure, it is suitable to use a seamless steel pipe. Further, after the soil bag is completed, since an operation of pulling up the cylindrical part 10 above the soil bag F is performed, in order to reduce the frictional force between the outer wall of the cylindrical part 10 and the soil bag F, it is preferable that the outer wall of the cylindrical part 10 is smooth. Also, when manufacturing a 2t soil bag, the diameter of the cylindrical part 10 is about 1m and the height is about 1.1m. As shown in the drawing, the cylindrical part 10 is composed of 6 pieces. The number of the cylindrical parts 10 may be 2, 4, or 6 as long as it is plural. However, from the viewpoints of maintaining the strength of the multiple simultaneous soil bag manufacturing apparatus 1 and work efficiency, about 6 pieces are preferable.

[0020] The connecting part 20 is a part that connects adjacent cylindrical parts 10. It is formed of a steel material such as an angle material, and a lid body part 30 is provided so as to have a wide surface on the upper part. The lower part is formed by extending it to the lowest possible position in relation to the sandbag to be attached. By using the steel material in this way, the strength as the connecting part 20 is increased, and when pouring sand into the sandbag F, the sandbag F can be stably supported, and the distortion during the upward lifting of the multiple sandbag simultaneous manufacturing device 1 is also reduced, so the multiple sandbag simultaneous manufacturing device 1 can be smoothly lifted.

[0021] A lifting locking part 21 is arranged at the upper part of the connecting part 20. The lifting locking part 21 is ring-shaped and is used when separating the multiple sandbag simultaneous manufacturing device 1 from the completed sandbag. A wire is fixed to each lifting locking part 21, and the multiple sandbag simultaneous manufacturing device 1 is lifted upward. Since the lifting force is dispersed to four places, the multiple sandbag simultaneous manufacturing device 1 can be stably lifted.

[0022] The lid body part 30 plays a role of preventing the sand leaking from the opening hole at the upper part of the cylindrical part when filling the sand D into the cylindrical part 10, and is also for enhancing the rigidity of the frame body part 11.

[0023] The flange-type sleeve 70 is a member for strengthening while obtaining a welding allowance when connecting the lid body part 30 and the cylindrical part 10. Since the lid body part 30 and the cylindrical part 10 have thin wall thicknesses and welding is difficult, such a flange-type sleeve 70 is used.

[0024] FIG. 3 is an explanatory diagram showing the fulcrums where loads are applied when the multiple simultaneous soil bag manufacturing apparatus 1 according to the present invention is erected and overturned. FIG. 3(a) shows the first contact point P where a wire Y is attached to the lifting locking portion 21 on the side where the overturning support portion 60 is not provided, pulled up, and contacts the ground E. FIG. 3(b) shows the second contact point Q with the ground E in the state where the multiple simultaneous soil bag manufacturing apparatus 1 according to the present invention is erected by further pulling up. In the state of FIG. 3(a), it can be seen that a load is applied to the first contact point P of the cylindrical portion 10. Then, the cylindrical portion 10 will be deformed and distorted. Therefore, the cylindrical portion 10 requires strong rigidity and it is desirable to be composed of a seamless steel pipe or high-tensile steel plate if possible.

[0025] The overturning support portion 60 is a support member provided at a position that becomes the second contact point Q with the ground when the multiple simultaneous soil bag manufacturing apparatus 1 according to the present invention is erected. By means of such an overturning support portion 60, it plays a role of holding the frame portion 11 almost vertically and guiding it to an angle that makes it easy to cover the soil bag F over the cylindrical portion 10. Note that the overturning support portion 60 is formed at an angle smaller than 90° (about 80°) with respect to the frame portion 11, so that the attachment of the soil bag can be facilitated.

[0026] The first contact point P is the position where a load is applied when the multiple simultaneous soil bag manufacturing apparatus 1 according to the present invention is placed on the ground E and then the lifting locking portion 21 on the side where the overturning support portion 60 is not provided is pulled up and overturned.

[0027] The second contact point Q is the fulcrum where the load applied to the first contact point P then becomes the point where the overturning support portion 60 contacts the ground and supports the load, guiding it to an almost vertical erected state.

[0028] Along with FIG. 4, the manufacturing process of the sandbag is shown. First, using a heavy machine such as a crane, the lifting locking part 21 on the opposite side of the roll-over support part 60 of the multiple simultaneous sandbag manufacturing device 1 is lifted so as to install the roll-over support part 60 on the ground E, and the cylindrical part 10 is erected so as to be horizontal (FIG. 4(a)). A sandbag F is covered over the cylindrical part 10, and is held by a belt holding part 22 that holds the suspension belt of the sandbag F so that the sandbag F does not slip down. Next, the erected multiple simultaneous sandbag manufacturing device 1 is returned to its original state, and the opening of the cylindrical part 10 is turned upward, and earth and sand D is filled using a heavy machine or the like (FIG. 4(b)). Using a wire Y, the remaining lifting locking part 21 and a heavy machine such as a crane are connected, and the multiple simultaneous sandbag manufacturing device 1 is lifted straight up to leave the sandbag part in place (FIG. 4(c)). Since the cylindrical part 10 only contacts the sandbag F on the side surface, the sandbag remains as it is, and the multiple simultaneous sandbag manufacturing device 1 can be separated from the sandbag. When a closing string is attached to the sandbag, the input port is closed to complete the process (FIG. 4(d)). The multiple simultaneous sandbag manufacturing device 1 is then arranged at the position for manufacturing the sandbag. Since the sandbag is completed, it can be left as it is until use, or it can be moved individually.

[0029] Also, since the cylindrical part 10 does not have a structure that wraps around the sandbag F but only supports the side surface of the sandbag F, the weight of the multiple simultaneous sandbag manufacturing device 1 itself can be reduced compared to a structure that wraps around the sandbag F.

[0030] The weight of the multiple simultaneous sandbag manufacturing device 1 is much lighter than the sandbag, so a relatively small crane or the like can perform the lifting operation. If, hypothetically, the sandbag were to be lifted, in the case of a 2t sandbag, a total weight of 12t for six sandbags would have to be lifted, and an extremely large crane would be required. However, in the multiple simultaneous sandbag manufacturing device 1 according to the present invention, even when the frame part 11 is lifted with the cylindrical part 10 only guiding the sandbag F, the sandbag F remains placed as it is and slips through the cylindrical part 10. Therefore, not much load is applied.

[0031] In this way, by implementing the multiple simultaneous manufacturing apparatus 1 for sandbags according to the present invention, a plurality of large-capacity sandbags can be efficiently manufactured. Further, by using the cylindrical portion 10 that is open at the top and bottom, the contact between the sandbag and the manufacturing apparatus can be limited to only the side surface. Thus, the multiple simultaneous manufacturing apparatus 1 for sandbags can be separated from the sandbag as it is, and can be easily used for the next sandbag manufacturing. Also, by having a plurality of cylindrical portions 10, a plurality of sandbags can be manufactured simultaneously. Further, since the cylindrical portion 10 is composed of a seamless steel pipe, it can have uniform strength against the pressure of the contact surface, and the durability of the multiple simultaneous manufacturing apparatus 1 for sandbags can be improved. Also, when a configuration using a high-tensile steel plate is adopted for the material of the multiple simultaneous manufacturing apparatus 1 for sandbags according to the present invention, it is possible to prevent the distortion of the interval between the cylindrical portions 10. Further, it is desirable to provide a belt holding portion 22 for holding the suspension belt of the sandbag bag F so that the sandbag bag F attached to the cylindrical portion 10 does not slip off.

Industrial Applicability

[0032] The multiple simultaneous manufacturing apparatus for sandbags according to the present invention can manufacture a plurality of sandbags simultaneously, and thus is considered to have high industrial applicability in that it enables a prompt response in case of an emergency such as a disaster.

Explanation of Reference Numerals

[0033] 1 Multiple simultaneous manufacturing apparatus for sandbags 10 Cylindrical portion 11 Frame portion 20 Connecting portion 21 Lifting locking portion 22 Belt holding portion for holding the suspension belt 30 Cover portion 60 Overturning support portion 70 Flange-type sleeve F Sandbag bag D Earth and sand P First contact point Q Second contact point Y Wire

Claims

1. A rectangular frame part (11), a plurality of cylindrical parts (10), a connecting part (20), a lid part (30), a lifting locking part (21), a tipping support part (60), and a sandbag manufacturing apparatus having the same, wherein the tipping support part (60) is a member formed in a substantially L - shaped manner protruding in the same direction from one side of the frame part (11), and is provided near a corner of the frame part (11), the cylindrical parts (10) are arranged in plurality such that both ends are open to the lid part (30) provided in the frame part (11). When setting the sandbag (F), the frame part (11) is lifted with the tipping support part (60) as a fulcrum to turn the cylindrical parts (10) sideways. When filling the sandbag (F) with earth and sand (D), the frame part (11) is tilted to turn the cylindrical parts (10) vertically to be in an orientation suitable for each operation. Each of the cylindrical parts (10) is connected to each other by a connecting part (20) on the circumferential surface of the cylindrical part (10), and each is provided with a lifting locking part (21) for lifting one side of the apparatus and the entire apparatus using a wire (Y). A multiple simultaneous sandbag manufacturing apparatus (1) characterized by this.

2. The multiple simultaneous sandbag manufacturing apparatus (1) according to Claim 1, characterized in that the cylindrical part (10) is attached to the lid part (30) via a flange - type sleeve (70).

3. The multiple simultaneous sandbag manufacturing apparatus (1) according to Claim 1 or Claim 2, characterized in that the cylindrical part (10) is composed of a seamless steel pipe.

4. The multiple simultaneous sandbag manufacturing apparatus (1) according to Claim 1 or Claim 2, characterized in that the cylindrical part (10) is composed of six.

Citation Information

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