Mocco

Abstract

To realize a basket capable of facilitating work for unloading a load.SOLUTION: An opening part 15 is formed in a center part of a basket 10. The basket includes a first sheet member 11 suspended with ropes 21 at a plurality of portions, a second sheet member 12 superposed on a lower side of the first sheet member 11 so as to close the opening part 15, a fixing part 13 fixing one side of the second sheet member 12 in a plan view to the first sheet member 11, and a connection part 14 detachably connecting the other side of the second sheet member 12 to the first sheet member 11 or a member mounted on the first sheet member 11 in a plan view. When the basket 10 is hoisted while the connected state is kept by the connection part 14, a state of closing the opening part 15 with the second sheet member 12 is maintained. When the basket 10 is hoisted while the connected state by the connection part 14 is released, the second sheet member 12 hangs down from the first sheet member 11 to release the opening part 15.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] The present invention relates to a hoe used for transporting soil and sand. [Background technology]

[0002] At construction sites, wire shackles and other shackles are used. When unloading a load, the shackles must be pulled out. This requires a relatively large amount of work to unload the load, and the shackles are prone to wear and tear when pulled out.

[0003] Patent Document 1 describes a moccasin with a zipper that allows cargo to be removed without being pulled out. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Unexamined Utility Model Publication No. 60-105364 Summary of the Invention [Problem to be solved by the invention]

[0005] Incidentally, the mokko described in Patent Document 1 is provided with a zipper that passes through the center of the mokko. Therefore, the zipper must be opened while the mokko is in a floating state, and the load falls immediately when the zipper is opened. Therefore, it is not easy for an operator to open the zipper directly. Here, the mokko described in Patent Document 1 has a slide rope attached to the zipper slider, and the zipper can be opened by pulling the slide rope. However, the zipper must be pulled from outside the position where the load falls, and even in this case, the zipper opening is not easy.

[0006] The present invention has been made in consideration of the above circumstances, and has an object to realize a moccasin that makes it easy to unload cargo. [Means for solving the problem]

[0007] In order to solve the above-mentioned problems, the first invention is a mokko used for transporting objects, comprising a first sheet member having an opening formed in the center and hung by ropes at multiple points, a second sheet member layered on the underside of the first sheet member so as to cover the opening, a fixing portion for fixing one side of the second sheet member in a planar view to the first sheet member, and a connecting portion for detachably connecting the other side of the second sheet member in a planar view to the first sheet member or a member attached to the first sheet member, wherein when the mokko is hoisted with the connections made via the connecting portion, the opening is kept blocked by the second sheet member, and when the mokko is hoisted with the connections made via the connecting portion released, the second sheet member hangs down from the first sheet member, opening the opening.

[0008] The second invention is the first invention, wherein when the mokko is placed on a flat surface, the overlap of the second sheet member over the first sheet member is 20 cm or more.

[0009] The third invention is related to the first or second invention, and the connecting portion includes a plurality of connecting ropes having one end attached to the second sheet member, and a plurality of hooks attached to the outer periphery of the first sheet member or to the ropes, allowing the connecting ropes to be hooked in a detachable manner. Effect of the Invention

[0010] In the present invention, the other side of the second sheet member is connected to the first sheet member or a member attached to the first sheet member (a member other than the second sheet member, for example, a rope) by the connecting part. Therefore, the position where the connection is made by the connecting part is outside the opening (the center part of the mokko) covered by the second sheet member. Therefore, the connection of the connecting part can be released with the center part of the lower surface of the mokko in contact with the ground. In this case, when the connection is released, all the load is not immediately discharged from the opening (see FIG. 4(a)). Then, by lifting the mokko from this state, the load can be discharged from the opening. Therefore, even if a worker performs the operation of releasing the connection at the connection point by the connecting part, there is no danger from the load and the connection can be released directly. Therefore, the operation of lowering the load can be easily performed. [Brief description of the drawings]

[0011] [Figure 1] FIG. 1 is a surface view of a wire tuck according to an embodiment of the present invention. [Diagram 2] FIG. 2(a) is a back view of the wire tuck according to the embodiment, and FIG. 2(b) is an enlarged view of a clamp tube that constitutes a fixing portion. [Diagram 3] FIG. 3 is an explanatory diagram of how to use the wire mokko according to the embodiment, where FIG. 3(a) shows the mokko spread out on the ground and loaded with soil, and FIG. 3(b) shows the mokko hanging down. [Figure 4] Figure 4 is an explanatory diagram of how to use the wire mokko according to the embodiment, where Figure 4(a) shows the mokko with the center part on the ground and the connection by the connecting part released, and Figure 4(b) shows the mokko with the opening open. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. Note that the following embodiment is merely an example of the present invention, and is not intended to limit the scope of the present invention, its applications, or its uses.

[0013] This embodiment is a wire moccasin with a sheet (hereinafter simply referred to as a "mocco") 10 used for transporting loads such as earth and sand 5. The moccasin 10 has an opening 15 formed in a first sheet member 11, and is switchable between a closed state in which the opening 15 is blocked by a second sheet member 12, and an open state in which the opening 15 is open.

[0014] [About the mokko placed on the ground] First, the mokko 10 placed on the ground (flat surface) will be described. As shown in Figures 1 and 2(a), the mokko 10 includes a first sheet member 11 with an opening 15 formed in the center, a second sheet member 12 overlapped on the back side (lower side) of the first sheet member 11 so as to cover the opening 15, a fixing part 13 that fixes one side (the right side in Figure 2(a)) of the second sheet member 12 in a plan view to the first sheet member 11, and a connecting part 14 that detachably connects the other side (the left side in Figure 2(a)) of the second sheet member 12 in a plan view to the first sheet member 11.

[0015] The first sheet member 11 and the second sheet member 12 are formed by attaching mesh members 11b, 12b to the back side of impermeable sheets 11a, 12a. The sheets 11a, 12a are made of resin such as polyester. The outer peripheral shape of the sheets 11a, 12a is, for example, a square. A plurality of through holes 16a that are eyelet-processed are provided on each side of the sheets 11a, 12a.

[0016] On the other hand, the mesh members 11b, 12b are members woven in a net shape by wire and are provided over almost the entire back surface of the sheets 11a, 12a. The outer peripheral shape of the mesh members 11b, 12b is, for example, a square. The mesh members 11b, 12b are attached to the sheets 11a, 12a by winding wires passed through the through holes 16a of the sheets 11a, 12a around the outer peripheral wire. The outer peripheral shapes of the sheets 11a, 12a and the mesh members 11b, 12b may be shapes other than a square (for example, a rectangle).

[0017] In the first sheet member 11, a front opening 15a is formed in the sheet 11a, and a back opening 15b (see FIG. 4(b)) is formed in the mesh member 11b. The front opening 15a and the back opening 15b are formed so as to overlap each other, constituting the opening 15 of the first sheet member 11. The shape of the front opening 15a and the back opening 15b is, for example, a square. In the sheet 11a, a plurality of through holes 16b are also provided on each side of the edge of the front opening 15a. The mesh member 11b is also attached to the sheet 11a by winding a wire passed through each through hole 16b of the sheet 11a around a wire on the inner circumference. The shape of the opening 15 may be a shape other than a square (for example, a rectangle).

[0018] Additionally, a plurality of rope attachment parts 17 to which suspension wire ropes (hereinafter simply referred to as "ropes") 21 are attached are provided on the outer periphery of the first sheet member 11. Specifically, the first sheet member 11 is provided with rope attachment parts 17 at each corner. Each rope attachment part 17 is formed into a ring shape by the wire of the mesh member 11b.

[0019] The four ropes 21 are divided into two sets of two ropes each. One end of each set of ropes 21 is attached to a rope attachment portion 17, and the other end is attached to the same ring member 22. The two ropes 21 in one set are attached to rope attachment portions 17 at both ends of a first side 11c of the first sheet member 11, and the two ropes 21 in the other set are attached to rope attachment portions 17 at both ends of a second side 11d opposite to the first side 11c.

[0020] Unlike the sheet 11a of the first sheet member 11, the sheet 12a of the second sheet member 12 is a sheet without an opening 15. The sheet 12a is smaller than the sheet 11a and larger than the front opening 15a (opening 15). For example, the length of one side of the sheet 11a of the first sheet member 11 can be 180 cm, the length of one side of the sheet 12a of the second sheet member 12 can be 120 cm, and the length of one side of the front opening 15a can be 60 cm. These dimensions are an example. The sheet 12a is overlapped on the back surface of the sheet 11a so that the center of the sheet 12a is at approximately the same position as the center of the sheet 11a. Around the front opening 15a, the overlapping margin L (see FIG. 1) of the sheet 12a with respect to the sheet 11a is approximately constant over the entire circumference. The dimension of the overlapping margin L will be described later.

[0021] The fixing portion 13 is composed of a plurality of clamp tubes 13 that fix the first side 12c of the second sheet member 12 to the first sheet member 11. Each clamp tube 13 is, for example, an aluminum clamp tube, and as shown in FIG. 2(b), two wires extending in the same direction can be passed through it. Each clamp tube 13 fixes the mesh member 12b to the mesh member 11b by passing the wire of the first side 12c of the mesh member 12b and a wire of the mesh member 11b at a position overlapping the first side 12c (the wire between one side of the outer circumference and one side of the inner circumference of the first sheet member 11). Note that the fixing portion 13 may fix the sheet 12a to the sheet 11a.

[0022] The connecting portion 14 is composed of a plurality of connecting ropes 14a attached to the side of the second side 12d of the second sheet member 12 that faces the first side 12c, and a plurality of lock hooks (hanging devices) 14b attached to the rope 21 that suspends the first sheet member 11. In this embodiment, the connecting portion 14 is composed of two connecting ropes 14a and the same number of lock hooks 14b as the connecting ropes 14a.

[0023] Here, the second sheet member 12 is provided with rope attachment parts 18 at each corner of the second side 12d. One end side of the connecting rope 14a is attached to the rope attachment part 18 of the second sheet member 12. The other end side of the connecting rope 14a is formed in a loop shape and is detachably hooked onto the lock hook 14b. Each lock hook 14b is provided on each rope 21 that hangs the side of the first sheet member 11 opposite to the side to which the second sheet member 12 is fixed (the side of the first side 11c, the left side in FIG. 2). Each lock hook 14b is attached to a loop-shaped part on one end side of the rope 21. Note that each lock hook 14b may be attached to each rope attachment part 17 of the first sheet member 11, or may be attached to another member of the first sheet member 11.

[0024] [How to use the mokko] Next, a method of using the mokko 10 will be described. The mokko 10 is placed on the ground or the like with the first sheet member 11 side facing up in a state where it is connected by the connecting part 14 (i.e., in a state where the loop-shaped part on the other end of the connecting rope 14a is hooked on the lock hook 14b). Then, as shown in Fig. 3(a), earth and sand 5 is placed on the upper side of the mokko 10 as a load. The load may be crushed stone, snow, concrete rubble, scrap, or the like.

[0025] Next, the two sets of ropes 21 are hooked by a worker onto a hanging part (such as a hook) 6 of a heavy machine such as a crane or a backhoe. In this state, when the hanging part 6 of the heavy machine is raised, the mokko 10 is lifted. As shown in FIG. 3(b), the first sheet member 11 is suspended from four points by the four ropes 21. Because the first sheet member 11 is connected by the connecting parts 14, the opening 15 is kept in a closed state blocked by the second sheet member 12. In this state, the mokko 10 is transported by the heavy machine to a position where the soil 5 is to be unloaded.

[0026] Next, as shown in Fig. 4(a), the moccasin 10 is lowered to a height where at least the center of the underside of the moccasin 10 touches the ground. Then, the worker removes the loop on the other end of the connecting rope 14a from the lock hook 14b. In other words, the connection by the connecting part 14 is released. As a result, the second side 12d of the second sheet member 12 is separated from the first sheet member 11 and touches the ground.

[0027] Next, when the hook 6 of the heavy machine is raised to lift the moccasin 10, the second sheet member 12 hangs down from the first sheet member 11, and the opening 15 is opened wide, as shown in Fig. 4(b). As a result, the soil 5 falls through the opening 15 to the ground.

[0028] [Effects of this embodiment] In this embodiment, the connection by the connecting part 14 is made at a position outside the second side 12d of the second sheet member 12. Therefore, the connection by the connecting part 14 can be released with the center of the lower surface of the mokko 10 in contact with the ground. In this case, when the connection is released, all the soil 5 is not immediately discharged from the opening 15. Then, by lifting the mokko 10 from this state, the soil 5 can be discharged from the opening 15. Therefore, even if a worker performs the work of releasing the connection at the connection point by the connecting part 14, there is no danger from the soil 5, and the connection can be released directly. Therefore, the work of lowering the soil 5 can be easily performed.

[0029] In this embodiment, when the mokko 10 is placed on a flat surface, the overlapping space L of the second sheet member 12 with respect to the first sheet member 11 is 20 cm or more. Here, the inventor of the present application conducted an experiment by changing the dimension of the overlapping space L, using soil 5 as a load. As a result, when the overlapping space L is 15 cm, when the mokko 10 is lifted in the closed state, the soil 5 falls from the opening 15 through the gap between the back surface of the sheet 11a and the front surface of the sheet 12a. In contrast, when the overlapping space L is 30 cm, the soil 5 does not fall from the opening 15. Therefore, the overlapping space L is set to 20 cm or more. In this embodiment, when the mokko 10 is lifted in the closed state, it is possible to prevent the soil 5 from falling from the opening 15 through the gap between the sheet 11a and the sheet 12a. Note that the larger the overlapping space L, the higher the material cost of the second sheet member 12 becomes, so it is desirable to set the overlapping space L to 45 cm or less.

[0030] In this embodiment, the connecting rope 14a and the lock hook 14b are detachably connected to one end of the rope 21 that suspends the first sheet member 11. That is, the connection point by the connecting part 14 is located at a position that can be easily accessed by an operator from outside the trolley 10. Therefore, there is no danger from earth and sand 5, and an operator can easily perform the operation of disconnecting the connecting part 14.

[0031] [Other embodiments] In the above embodiment, the connection by the connecting portion 14 is made at a position outside the second side 12d of the second sheet member 12, but the connection may be made at the position of the second side 12d of the second sheet member 12. In this case, for example, the connecting portion 14 may be a fastener attached so as to straddle the first sheet member 11 and the second sheet member 12 along the second side 12d of the second sheet member 12.

[0032] In the above embodiment, the connecting portion 14 connects at two points, but the connecting portion 14 may connect at three or more points.

[0033] In the above-described embodiment, one or both of the first sheet member 11 and the second sheet member 12 may be composed of only the sheets 11a and 12a without the mesh members 11b and 12b. In other words, the present invention may be applied to a mosquito net other than a wire mosquito net. [Industrial Applicability]

[0034] The present invention is applicable to a hoist used for transporting soil and sand. [Explanation of symbols]

[0035] 5. Soil and sand (cargo) 10 Mocco 11 First sheet member 12 Second sheet member 13 Clamp pipe, fixed part 14 Connecting part 15 Opening 21 Wire rope (rope)

Claims

1. A sack used for carrying things, A first sheet member having an opening at a center portion and suspended at a plurality of points by ropes; a second sheet member overlapped under the first sheet member so as to close the opening; a fixing portion that fixes one side of the second sheet member to the first sheet member in a plan view; a connecting portion that detachably connects the other side of the second sheet member in a plan view to the first sheet member or a member attached to the first sheet member, When the hoist is lifted up after the connection is made by the connecting portion, the opening is kept blocked by the second sheet member, When the mokko is lifted with the connection by the connecting part released, the second sheet member hangs down from the first sheet member and the opening is opened.

2. 2. The mokko according to claim 1, wherein when the mokko is placed on a flat surface, the overlap of the second sheet member with respect to the first sheet member is 20 cm or more.

3. The mokko described in claim 1 or 2, wherein the connecting portion comprises a plurality of connecting ropes having one end attached to the second sheet member, and a plurality of hooks attached to the outer periphery of the first sheet member or to the ropes, and capable of hooking the connecting ropes in a detachable manner.

Images