Transport equipment, method for transporting goods, and transport box

Abstract

By using a transport box 1 with a simpler structure, the process of unloading items from the transport box can be made simpler. [Solution] The transport box 1 for transporting box-shaped articles has a side plate portion 1A and a bottom plate portion 1B that can be opened and closed downwards, and a lifting device for the transport box. The transport box 1 is connected to the openable and closable bottom plate portion 1B and includes a bracket that extends upward along the outer surface of the side plate portion 1A, a first projection 4 provided on the bracket that protrudes away from the side plate portion 1A facing the bracket, and a second projection 2 that is located above the first projection 4 and protrudes outward from the side plate portion 1A facing the bracket. The lifting device extends vertically and has a hook portion in which a first hook portion for hooking the first projection 4 and a second hook portion for hooking the second projection 2 are formed side by side vertically.

Description

Technical Field

[0001] The present invention relates to a transport box for transporting articles such as scrap, a transport device provided with the transport box, and a method for transporting articles using the transport device.

Background Art

[0002] Scrap (end plates) generated in a steel plate manufacturing line is, for example, accommodated (collected) in a transport box (scrap box) in which the bottom plate portion is openable and closable on the line. When a predetermined amount or more of scrap is accommodated in the transport box, the transport box is lifted by a crane and transported to a position above a collection box outside the line. Then, by removing the stopper of the bottom plate portion of the transport box, the bottom plate portion is opened, and the articles in the transport box are discharged (put in) toward the collection box. Thereby, the transfer of the articles from the transport box to the collection box is performed. However, in the transportation of articles using such a transportation box, when discharging the scrap from the transportation box, an operator needs to approach the transportation box and remove the stopper that locks the opening and closing of the bottom plate portion.

[0003] As a conventional example for this, for example, there is a transport box described in Patent Document 1. In Patent Document 1, a slide member that can slide up and down is provided on the side plate portion of the transport box, and a sling plate integrated with the upper portion of the slide member is provided. Further, the sling plate and the free end of the bottom are connected by a plurality of chains. Further, a hooking hole for replacement is provided at a position lateral to the sling plate in the side plate portion. And in Patent Document 1, by lifting the left and right sling plates, the transport box is transported above the collection box. Then, by changing the hanging position from the left and right sling plates to the left and right hooking holes for replacement, the bottom opens by its own weight, and the scrap is discharged from the transport box.

Prior Art Documents

Patent Documents

[0004] [Patent Document 1] Japanese Utility Model Publication No. 5-56882 [Overview of the project] [Problems that the invention aims to solve]

[0005] Using the technology described in Patent Document 1, it becomes possible to discharge scrap from a transport box without the worker having to approach the transport box. However, the transport box described in Patent Document 1 has the problem of having a complicated structure. Furthermore, when using the transport box described in Patent Document 1, there is a problem that the transport box is prone to shaking because it is necessary to change the orientation of the transport box when discharging scrap.

[0006] The present invention focuses on the points mentioned above and aims to provide a technology that enables the discharge of goods from a transport box with a simpler structure using a transport box with a simpler operation. [Means for solving the problem]

[0007] To solve the problem, one aspect of the present invention provides a transport device for transporting articles, comprising a transport box for transporting articles having at least side plates and a bottom plate that can be opened and closed downwards around a pivot axis, and a lifting device for lifting the transport box, The transport box comprises a bracket connected to the openable bottom plate and extending upward along the outer surface of the side plate, a first projection provided on the bracket and projecting away from the side plate facing the bracket, and a second projection positioned above the first projection and projecting outward from the side plate facing the bracket. The above-mentioned suspension device extends vertically and has a hook portion formed vertically, which includes a first hook portion for hooking the first protruding portion and a second hook portion for hooking the second protruding portion. [Effects of the Invention]

[0008] According to an aspect of the present invention, by hooking the first hook portion of the hook portion onto the first protrusion and lifting the transport box, the transport box can be transported with the bottom plate portion closed. At the same time, by hooking the second hook portion of the hook portion onto the second protrusion and lifting the transport box, the transport box can be transported stably. In this case, if the first and second protrusions are positioned so that they overlap when viewed from above, the above operation becomes easier to perform.

[0009] Furthermore, by repositioning the hook and attaching the first hook portion to the second protrusion, the transport box is lifted, causing the bottom plate to open under its own weight, and the items inside the transport box are discharged by falling. Furthermore, since the above operations can be performed simply by reattaching the hooks to the transport box, the transport of goods can be done in a short time, and there is no need for the worker to approach the transport box to open the bottom plate. Furthermore, according to an aspect of the present invention, it is possible to have a simple structure for the transport box while having the above-mentioned effects. [Brief explanation of the drawing]

[0010] [Figure 1] This is a side view illustrating a transport box according to an embodiment of the present invention. [Figure 2] This is a side view illustrating a transport box according to an embodiment of the present invention. [Figure 3] This is a cross-sectional view AA in Figure 1. [Figure 4] This is a side view illustrating the lifting device for the transport box. [Figure 5] This is a side view illustrating the lifting device for the transport box. [Figure 6] This is a schematic diagram showing an example of how end plates (items) are placed in a transport box. [Figure 7] This figure shows an example of how the lifting device is installed. [Figure 8]It is a schematic diagram for explaining the lifting of the transport box by the lifting tool. [Figure 9] It is a schematic diagram for explaining the state where the transport box is transported above the collection box. [Figure 10] It is a schematic diagram showing the state where the transport box is placed on the collection box. [Figure 11] It is a schematic diagram showing the state where the lifting tool is temporarily removed from the transport box. [Figure 12] It is a schematic diagram showing the installation of the lifting tool on the transport box for the input of the end plate (article). [Figure 13] It is a schematic diagram showing the state at the start of lifting the transport box for the input of the end plate (article). [Figure 14] It is a schematic diagram showing the state at the time of input of the end plate (article). [Figure 15] [[ID=2​​​​​​​​​​​​​​​​​​​​​​​​The transport device comprises a transport box 1 and a lifting device 20 for lifting the transport box 1.

[0013] (Transport box 1) The transport box 1 of this embodiment has a box-like shape with an open top. That is, as shown in Figures 1 and 2, the transport box 1 comprises a bottom plate portion 1B and four side plate portions 1A. The space enclosed by the bottom plate portion 1B and the four side plate portions 1A constitutes the space for storing articles.

[0014] <Bottom plate part 1B> The bottom plate section 1B is designed to be openable and closable by rotating downwards around the pivot axis 9 from a horizontal position. As shown in Figure 1, the bottom plate section 1B of this example is composed of a pair of bottom sections 1Ba that form a pair on the left and right sides. These left and right bottom sections 1Ba have a double-door structure that allows them to open and close downwards. One end (the pivot-supported end) of each bottom section 1Ba is pivotally supported on the lower part of the side plate section 1Ab via an L-shaped member 8. This allows the left and right bottom sections 1Ba to rotate downwards around the pivot axis 9 from a horizontal position (closed state), thereby opening the bottom surface of the box. The other end (the pivot-supported end) of each bottom section 1Ba may also be pivotally supported on the lower end of the side plate section 1Ab.

[0015] As shown in Figure 1, a stopper bracket 10 is provided at the lower part of the side plate portion 1Ab. The stopper bracket 10 is positioned above the pivot axis 9. The stopper bracket 10 is a member that restricts the amount each bottom portion 1Ba opens by contacting the pivoting L-shaped member 8. This stopper bracket 10 restricts the left and right bottom portions 1Ba from opening to a pivot angle of less than 90 degrees downward relative to the closed position in the horizontal orientation. The maximum pivot angle of the bottom portion 1Ba as defined above is set to, for example, a range of 75 to 85 degrees. Reference numeral 11 denotes a cushioning material, such as a rubber body, provided at the contact portion of the stopper bracket 10. The cushioning material mitigates the impact when the L-shaped member 8 collides with the stopper bracket 10.

[0016] Furthermore, in accordance with the above-mentioned rotation angle restriction, the lower corner 12a at the free end 12 of the bottom 1Ba is rounded in the rotation direction. As a result, when the transport box 1 is lowered from above to the floor surface from a state where the bottom 1Ba is open due to its own weight, a closing force is applied from the floor to the lower corner 12a at the free end 12 of the bottom 1Ba because the maximum rotation angle of the bottom 1Ba is less than 90 degrees. Consequently, the bottom 1Ba automatically changes to the closing direction due to the weight of the transport box 1.

[0017] Furthermore, a horizontal member 7 is provided at each bottom portion 1Ba. The horizontal member 7 is located at the pivot end of the bottom portion 1Ba and is positioned to extend in a direction parallel to the pivot axis 9, that is, in a direction along the side plate portion 1Ab. As shown in Figure 2, it is designed to be longer than the bottom surface of the transport box 1 and longer than the opening width of the recovery box 50. In other words, in a top view, both ends of the horizontal member 7 protrude outward from the position of the side plate portion 1Aa, as shown in Figure 2. This makes it possible to place the transport box 1 on top of the upper opening of the collection box 50, even if the width of the bottom surface of the transport box 1 is smaller than the width of the upper opening of the collection box 50.

[0018] The horizontal member 7 is preferably positioned on the end side of the base 1Ba that supports the shaft, but it may also be positioned closer to the free end of the base 1Ba. Furthermore, in this embodiment, a tubular body with a rectangular cross-section is exemplified as the horizontal member 7. The horizontal member 7 does not need to have a rectangular cross-section, nor does it need to be a hollow member. Any member with sufficient rigidity to support the load of the transport box 1 is acceptable.

[0019] <Opening / closing bracket 6 and first protrusion 4> Each bottom section 1Ba is provided with an opening / closing bracket 6, as shown in Figures 1 and 2. In this embodiment, the opening and closing brackets 6 are provided on the free end 12 side of each bottom portion 1Ba. Furthermore, the opening and closing brackets 6 are provided at each opposing end of the bottom portion 1Ba in the direction of the pivot axis 9, and each bottom portion 1Ba has a pair of left and right opening and closing brackets 6. Each opening / closing bracket 6 extends upward from the bottom portion 1Ba along the outer surface of the nearest side plate portion 1Aa. The opening / closing bracket 6 is configured to be movable vertically along the outer surface of the side plate portion 1Aa.

[0020] Furthermore, the first protrusion 4 is provided on the opening / closing bracket 6. In Figure 1, the first protrusion 4 is provided on the upper part of the opening / closing bracket 6. The first projection 4 protrudes in a direction away from the side plate portion 1Aa facing the bracket (outward). In this embodiment, the first projection 4 is composed of a rod whose axis is oriented in the direction of projection. The rod has a small diameter portion 4a at an intermediate position in its axial direction. In addition, a plate material 5 with a larger diameter than the rod is provided at the tip of the rod. The small diameter portion 4a and the plate material 5 make it difficult for the hook portion to come off when it is hooked. In this structure, the first protruding portion 4 is connected to the bottom portion 1Ba, which opens and closes, via the opening and closing bracket 6.

[0021] In this embodiment, as shown in Figure 1, two first protrusions 4 are arranged in a pair on a single side plate portion 1Aa, aligned laterally. In this embodiment, the two first protrusions 4 that make up the pair are positioned symmetrically with respect to the side plate portion 1Aa. That is, the central position between the two first protrusions 4 that make up the pair is set to be the left-right central position of the side plate portion 1Aa.

[0022] <Second protrusion 2> Furthermore, a second projection 2 is provided above the first projection 4 on the side plate portion 1Aa facing the first projection 4. Each second projection 2 protrudes outward from the side plate portion 1Aa. In this embodiment, the second projection 2 is composed of a rod whose axis is oriented in the projection direction, and the rod has a small diameter portion 2a at an intermediate position in the axial direction. In this embodiment, a set is formed by two second protrusions 2 arranged horizontally, and as shown in Figure 3, a plate 3 is placed across to connect the tips of the two second protrusions 2 that make up the set. The small diameter portion 2a and the plate 3 make it difficult for the hook portion to come off.

[0023] Furthermore, the two second protrusions 2 that constitute the pair are positioned symmetrically in the left-right direction with respect to the side plate portion 1Aa. That is, the central position between the two second protrusions 2 that constitute the pair is set to be the left-right central position of the side plate portion 1Aa. In this example, the first protrusion 4 is positioned below the center of gravity of the transport box 1, and the second protrusion 2 is positioned above the center of gravity of the transport box 1.

[0024] Furthermore, it is preferable that the second protrusion 2 is positioned so as to overlap with the first protrusion 4 when viewed from above, as shown in Figure 1. This is to allow for easier and more stable hooking of the two first protrusions 4 with the first hook and hooking of the two second protrusions 2 with the first hook. However, the second protrusion 2 may be offset from the first protrusion 4 in the left-right direction when viewed from above.

[0025] In this embodiment, an example is given in which each bottom portion 1Ba has a pair of left and right opening / closing brackets 6. If the item is lightweight, the structure may be such that only one of the pair of left and right opening / closing brackets 6 is provided for each bottom portion 1Ba. In this case, the second protrusion 2 can be provided on the side plate portion 1Aa that does not have an opening / closing bracket 6 for lifting purposes. Furthermore, a third protrusion protruding outward from the side plate portion 1Aa may be provided at the position where the first protrusion would be provided on the other opening / closing bracket 6 of the pair of left and right opening / closing brackets 6.

[0026] <Other parts> As shown in Figures 1 and 2, a width-direction restricting member is provided on the outer side of the side plate portion 1Aa. The width-direction restricting member consists of a cylindrical body 14 with its axes oriented vertically, a vertical rod 13, and a horizontal rod 15. The cylindrical body 14 is provided at the lower part of the side plate portion 1Aa. The vertical rod 13 passes through the cylindrical body 14. The vertical rod 13 is longer than the cylindrical body 14. The horizontal rod 15 is a rod that extends laterally, connected to the upper end of the rod body, and prevents the horizontal rod 15 from falling downward from the cylindrical body 14. Note that in Figure 2, the width-direction restricting member on the right side is omitted. When the transport box 1 is floating above the floor, the lower part of the vertical rod 13 protrudes below the bottom 1Ba, as shown in Figures 1 and 2.

[0027] The width-restricting members are provided in two locations on each side plate portion 1Aa, and the distance between the two width-restricting members is set to be wider than the width of the upper opening of the collection box 50. As a result, when the transport box 1 is placed on the collection box 50, the portion of the vertical rod 13 protruding downward from the cylindrical body 14 is guided to the outer surface of the side wall of the collection box 50. This makes it possible to safely place the transport box 1 on the collection box 50. When the transport box 1 is placed on the collection box 50, the portion of the vertical rod 13 protruding downward from the cylindrical body 14 faces the outer surface of the side wall of the collection box 50. As a result, the amount of lateral movement of the transport box 1 relative to the collection box 50 is restricted, and it is possible to prevent the transport box 1 placed on the collection box 50 from falling off the collection box 50.

[0028] (Lifting device 20 for transport box 1) This embodiment includes a dedicated lifting device 20 for lifting the transport box 1. As shown in Figures 4 and 5, the lifting device 20 comprises left and right hook portions 21, a beam member 24 connecting the upper parts of the left and right hook portions 21, and a crane connection portion provided on the beam member 24.

[0029] <Hook part 21> As shown in Figure 4, the hook portion 21 extends vertically and has a first hook portion 22 that can hook onto the first projection portion 4 and a second hook portion 23 that can hook onto the second projection portion 2. The first hook portion 22 and the second hook portion open in the same direction (to the right in Figure 4) and are formed side by side vertically.

[0030] The locking portion 22a of the first hooking portion 22, which abuts the first protrusion 4, is of a length that can lock onto the small diameter portions 4a of the two adjacent first protrusions 4, and its tip portion 22b is angled upward to prevent the locked first protrusions 4 from falling off. In addition, the locking portion 22a has a curve that is convex upward along the plate thickness direction. The locking portion 23a of the second hooking portion 23, which abuts the second protrusion 2, is of a length that allows it to abut the small diameter portions 2a of the two adjacent second protrusions 2, and its tip portion 23b is directed upward to prevent the locked second protrusion 2 from falling off. The locking portion 23a has a curve that is convex upward along the plate thickness direction.

[0031] The distance between the locking portion 22a and the locking portion 23a is set to be equal to the distance between the first protrusion 4 and the second protrusion 2, or slightly greater than the distance between the first protrusion 4 and the second protrusion 2 (for example, a safety margin of 1 to several millimeters). This is to ensure that when the first protrusion is supported by the first hooking portion 22, the second protrusion can be supported by the second hooking portion 23. In this embodiment, the lower first hook portion 22 is also used to hook the two second protrusions 2. For this reason, it is preferable that the distance between the two second protrusions 2 is set to be equal to the distance between the two first protrusions 4.

[0032] <Beam member 24> As shown in Figures 4 and 5, the pair of hook sections 21 on the left and right are connected by two beam members 24. Connecting them with two beam members 24 creates a grid structure, increasing the rigidity of the pair of hook sections 21 on the left and right.

[0033] <Crane connection section> The crane connection section comprises left and right connection section bodies 25 that protrude upward from the beam member 24, and each connection section body 25 has an opening 25a into which crane tongs are inserted. The upper parts of the left and right connecting sections 25 are connected by a rod 26, improving the rigidity of the crane connection section. The crane connection section is not limited to this structure, as long as it can be connected to a crane.

[0034] (Method of transporting goods) In this example, as mentioned above, we will explain using the case of an end plate as the item. The transported end plates 30 (items) are sequentially dropped toward the transport box 1 and stored (collected) inside the transport box 1 (see Figure 6). Then, when the end plate 30 contained in the transport box 1 is to be collected in another location, the transport box 1 containing the end plate 30 is transported to above the collection box 50. Specifically, as shown in Figure 7, the lifting device 20 for transport box 1, which was waiting on the platform, is lifted using crane tongs.

[0035] Then, the crane is operated to bring the hook portion 21 closer to the first protrusion 4 and the second protrusion 2 from the side, as shown in Figure 8(a), so that the first protrusion 4 is hooked onto the first hook portion 22 and the second protrusion 2 is hooked onto the second hook portion 23. Subsequently, the crane is operated to move the lifting device 20 upward, as shown in Figure 8(b), thereby lifting the transport box 1 via the lifting device 20. At this time, the first hook portion 22 of the hook portion 21 lifts the first protruding portion 4 upward, and the weight of the transport box 1 holds the left and right bottom portions 1Ba in a closed state.

[0036] Then, as shown in Figure 9, once the lifted transport box 1 has been transported to above the collection box 50, the transport box 1 is placed on the upper end surface 50a of the collection box 50, as shown in Figure 10. Here, the two horizontal members 7 at the bottom of the transport box 1 are longer than the opening width of the collection box 50. As a result, the left and right ends of the two horizontal members 7 are stretched across the upper opening of the collection box 50. Consequently, the transport box 1 can be placed on top of the collection box 50 regardless of the size of the transport box 1 itself. The width of the bottom plate 1B itself may also be larger than the opening width of the collection box 50.

[0037] Furthermore, although not shown in Figure 10, in this configuration, the lower parts of the left and right vertical bars 13 are positioned to face the outer wall of the collection box 50. This restricts the amount by which the transport box 1, placed on top of the collection box 50, is displaced in the direction of the opening width of the collection box 50. As a result, the transport box 1 is prevented from shifting laterally and falling from the collection box 50.

[0038] Next, the crane is operated to temporarily detach the hook portion 21 of the lifting device 20 from the transport box 1, as shown in Figure 11, and then, as shown in Figure 12, the first hook portion 22 of the hook portion 21 of the lifting device 20 is hooked onto the second protrusion portion 2. In this way, the lifting device 20 is reattached using the crane. In this state, the lower first protrusion portion 4 is free. Subsequently, as shown in Figures 13 and 14, when the transport box 1 is lifted via the lifting device 20, its own weight causes the left and right bottom sections 1Ba to open downwards like double doors, and the end plates 30 inside the transport box 1 are discharged towards the recovery box 50. As a result, the end plates 30 are collected inside the recovery box 50. Subsequently, the transport box 1 is transported to the position where the end plate 30 is collected, as shown in Figure 6, and lowered to the floor. At this time, the bottom 1Ba is tilted and open, so as the transport box 1 is lowered, the bottom 1Ba automatically moves in the closing direction and returns to the state shown in Figure 6.

[0039] (modified version) (1) Here, as shown in Figure 15, the width of the bottom 1Ba may be made shorter than the opening width inside the collection box 50. In this case, the free end of the open bottom 1Ba can be positioned inside the collection box 50, making it possible to more reliably drop the end plate 30 inside the transport box 1 into the collection box 50. (2) In the above description, the bottom plate portion 1B was described as having a double-door structure with a pair of bottom portions 1Ba, but it is not limited to this. As shown in Figure 16, the bottom plate portion 1B may be made up of a single plate-like member.

[0040] Figure 16 illustrates a case where only one opening / closing bracket 6 is provided on each side plate 1Aa of the bottom plate 1B. In this case, a third projection 60 can be provided on the side of the first projection 4 on each side plate 1Aa. Reference numeral 61 denotes a plate material provided at the tip of the third projection 60. Alternatively, the opening / closing bracket 6 and the first protrusion provided on the bottom plate portion 1B that opens and closes may be configured to be provided in pairs on one side plate portion 1Aa. The other components should be configured similarly to the configuration described above.

[0041] (Operation and other functions) As described above, using the transport device of this embodiment, the transport box 1 can be transported to above the collection box 50 by crane operation alone, and the bottom plate 1B of the transport box 1 can be opened and the end plate 30 discharged toward the collection box 50 by simply changing the lifting device 20 using crane operation. As a result, in this embodiment, there is no need for an operator to approach the transport box 1 to open the bottom plate 1B, and transport and discharge operations can be performed solely by crane operation. Furthermore, in this embodiment, the transport of goods can be performed more safely and stably than in the conventional method, and the work time can be shortened.

[0042] In other words, in this embodiment, by hooking the first hook portion 22 of the hook portion 21 onto the first protrusion 4 and lifting the transport box 1, the transport box 1 can be transported with the bottom plate portion 1B closed. At the same time, by hooking the second hook portion 23 of the hook portion 21 onto the second protrusion 2 and lifting the transport box 1, the transport box 1 can be transported stably. In this case, if the first protrusion 4 and the second protrusion 2 are positioned so that they overlap when viewed from above, the above operation becomes easier to perform.

[0043] Furthermore, by repositioning the hook portion 21 and hooking the first hook portion 22 of the hook portion 21 onto the second protrusion portion 2 to lift the transport box 1, the bottom plate portion 1B opens under its own weight, and the items inside the transport box 1 are discharged by falling. Furthermore, since the above operations can be performed simply by reattaching the hook portion 21 to the transport box 1, the transport of goods can be done in a short time, and there is no need for the worker to approach the transport box 1 in order to open the bottom plate portion 1B. Furthermore, according to an aspect of the present invention, it is possible to have a simpler box structure while having the above-mentioned effects.

[0044] (others) This disclosure may also take the following form: (1) A conveying device for transporting articles, A transport box for transporting the above-mentioned box-shaped article, comprising at least side plates and a bottom plate that can be opened and closed downwards around a pivot axis, and a lifting device for lifting the transport box, The above transport box is A bracket is connected to the above-mentioned openable bottom plate and extends upward along the outer surface of the above-mentioned side plate, A first projection is provided on the bracket and protrudes in a direction away from the side plate portion facing the bracket, It comprises a second projection that protrudes outward from the side plate portion facing the bracket, at a position above the first projection, The above-mentioned suspension device has a hook portion on which both the first protrusion and the second protrusion can be hooked. The hook portion extends vertically and is formed with a first hook portion on which the first protrusion can be hooked and a second hook portion on which the second protrusion can be hooked, arranged vertically. (2) The first protrusion and the second protrusion are arranged to overlap when viewed from above. (3) The brackets are provided at two opposing ends of the bottom plate portion in the direction of the rotation axis, and each bracket is provided with the first projection. (4) The above-mentioned openable bottom plate is composed of a pair of bottoms that form a pair on the left and right, and the opening and closing of the bottom plate is a double-door structure. Each of the bottom portions is provided with the bracket and the first protrusion. (5) A transport device used for the operation of lifting the transport box containing the articles to above a collection box with an open top, and then opening the bottom plate to drop the articles contained within into the collection box, The bottom plate portion is provided with a horizontal member that extends in a direction parallel to the pivot axis and is longer than the opening width of the collection box. (6) The width of the bottom plate portion in the direction of rotation is shorter than the opening width of the collection box, excluding the horizontal member. (7) The lifting device comprises the left and right hook portions that are opposite each other on either side of the transport box, a beam member that connects the upper parts of the left and right hook portions, and a crane connection portion provided on the beam member. (8) A method for transporting articles, comprising transporting a transport box containing articles to an article collection location, opening the bottom plate of the transport box, and discharging the articles inside the transport box toward the article collection location, Using the transport device disclosed herein, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, and the transport box containing the items is transported to the item collection location. A method for transporting goods, wherein the hook portion is then detached from the first and second protrusions, the first hook portion of the hook portion is reattached to the second protrusion, and the transport box is then lifted upwards via the lifting device, thereby dropping the goods inside the transport box. (9) The above-mentioned method of transporting articles, wherein the article collection location consists of an article collection box with an open top, The bottom plate portion is provided with a horizontal member that extends in a direction parallel to the pivot axis and is longer than the opening width of the collection box. The hooks described above are reattached by placing the transport box on top of the collection box. (10) A transport box for transporting box-shaped articles, comprising at least side plates and a bottom plate that can be opened and closed downwards around a pivot axis, A bracket is connected to the above-mentioned openable bottom plate and extends upward along the outer surface of the above-mentioned side plate, A first projection is provided on the bracket and protrudes in a direction away from the side plate portion facing the bracket, It comprises a second projection that protrudes outward from the side plate portion facing the bracket, at a position above the first projection, The first and second protrusions are positioned to overlap when viewed from above. [Explanation of symbols]

[0045] 1. Transport box (transport device) 1A, 1Aa, 1Ab side plate part 1B Bottom plate part 1Ba bottom 2 Second protrusion 2a Small diameter section 4 1st protrusion 4a Small diameter section 6. Bracket for opening and closing (bracket) 7 Horizontal members 8 L-shaped members 9 rotational axes 10 Stopper bracket 20. Lifting equipment (transport equipment) 21 Hook part 22 First hook part 22a Locking part 23. Second hook section 23a Locking part 24 Beam members 25. Main body of the connection part (crane connection part) 25a opening 26 Rod-shaped 30 End plate (article) 50 collection boxes

Claims

1. A conveying device for transporting goods, A transport box for transporting the above-mentioned box-shaped article, comprising at least side plates and a bottom plate that can be opened and closed downwards around a pivot axis, and a lifting device for lifting the transport box, The above transport box is A bracket is connected to the above-mentioned openable bottom plate and extends upward along the outer surface of the above-mentioned side plate, A first projection is provided on the bracket and protrudes in a direction away from the side plate portion facing the bracket, It comprises a second projection that protrudes outward from the side plate portion facing the bracket, at a position above the first projection, The above-mentioned suspension device has a hook portion on which both the first protrusion and the second protrusion can be hooked, and the hook portion extends vertically, and a first hook portion on which the first protrusion can be hooked and a second hook portion on which the second protrusion can be hooked are formed side by side vertically. Conveyor.

2. The first protrusion and the second protrusion are arranged so as to overlap when viewed from above. The conveying device described in claim 1.

3. The bracket is provided at two opposing ends of the base plate portion in the direction of the rotation axis, and each bracket is provided with the first projection. The conveying device described in claim 1.

4. The bracket is provided at two opposing ends of the base plate portion in the direction of the rotation axis, and each bracket is provided with the first projection. The conveying device described in claim 2.

5. The above-mentioned openable bottom plate section consists of a pair of bottom sections on the left and right, and the bottom plate section opens and closes in a double-door manner. Each of the above bottom portions is provided with the above bracket and the above first protrusion, A conveying device as described in any one of claims 1 to 4.

6. A transport device used for the operation of lifting the transport box containing the goods to above a collection box with an open top, and then opening the bottom plate to drop the goods contained within into the collection box, The bottom plate portion is provided with a horizontal member that extends in a direction parallel to the pivot axis and is longer than the opening width of the collection box. A conveying device as described in any one of claims 1 to 4.

7. A transport device used for the operation of lifting the transport box containing the goods to above a collection box with an open top, and then opening the bottom plate to drop the goods contained within into the collection box, The bottom plate portion is provided with a horizontal member that extends in a direction parallel to the pivot axis and is longer than the opening width of the collection box. The conveying device described in claim 5.

8. The above-mentioned lifting device comprises the above-mentioned hook portions on the left and right sides facing each other on either side of the above-mentioned transport box, a beam member connecting the upper parts of the above-mentioned left and right hook portions, and a crane connection portion provided on the beam member. A conveying device as described in any one of claims 1 to 4.

9. The above-mentioned lifting device comprises the above-mentioned hook portions on the left and right sides facing each other on either side of the above-mentioned transport box, a beam member connecting the upper parts of the above-mentioned left and right hook portions, and a crane connection portion provided on the beam member. The conveying device described in claim 5.

10. The above-mentioned lifting device comprises the above-mentioned hook portions on the left and right sides facing each other on either side of the above-mentioned transport box, a beam member connecting the upper parts of the above-mentioned left and right hook portions, and a crane connection portion provided on the beam member. The conveying device described in claim 6.

11. The above-mentioned lifting device comprises the above-mentioned hook portions on the left and right sides facing each other on either side of the above-mentioned transport box, a beam member connecting the upper parts of the above-mentioned left and right hook portions, and a crane connection portion provided on the beam member. The conveying device described in claim 7.

12. A method for transporting goods, comprising transporting a transport box containing goods to a goods collection location, opening the bottom plate of the transport box, and discharging the goods inside the transport box toward the goods collection location, Using a conveying device as described in any one of claims 1 to 4, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, and the transport box containing the items is transported to the item collection location. Subsequently, the hook portion is detached from the first and second protrusions, and the first hook portion of the hook portion is reattached to the second protrusion. Then, the transport box is lifted upwards via the lifting device, causing the items inside the transport box to fall out. Methods for transporting goods.

13. A method for transporting goods, comprising transporting a transport box containing goods to a goods collection location, opening the bottom plate of the transport box, and discharging the goods inside the transport box toward the goods collection location, Using the conveying device described in claim 5, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, and the transport box containing the items is transported to the item collection location. Subsequently, the hook portion is detached from the first and second protrusions, and the first hook portion of the hook portion is reattached to the second protrusion. Then, the transport box is lifted upwards via the lifting device, causing the items inside the transport box to fall out. Methods for transporting goods.

14. A method for transporting goods, comprising transporting a transport box containing goods to a goods collection location, opening the bottom plate of the transport box, and discharging the goods inside the transport box toward the goods collection location, The above item collection location will be a collection box with an opening at the top. Using the conveying device described in claim 6, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, thereby transporting the transport box containing the items to above the collection box. Subsequently, the hook portion is detached from the first and second protrusions, and the first hook portion of the hook is reattached to the second protrusion. Then, the transport box is lifted upwards via the lifting device, causing the items inside the transport box to fall into the collection box. The above hook section is reattached by placing the transport box on top of the collection box. Methods for transporting goods.

15. A method for transporting goods, comprising transporting a transport box containing goods to a goods collection location, opening the bottom plate of the transport box, and discharging the goods inside the transport box toward the goods collection location, The above item collection location will be a collection box with an opening at the top. Using the conveying device described in claim 7, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, thereby transporting the transport box containing the items to above the collection box. Subsequently, the hook portion is detached from the first and second protrusions, and the first hook portion of the hook is reattached to the second protrusion. Then, the transport box is lifted upwards via the lifting device, causing the items inside the transport box to fall into the collection box. The above hook section is reattached by placing the transport box on top of the collection box. Methods for transporting goods.

16. A method for transporting goods, comprising transporting a transport box containing goods to a goods collection location, opening the bottom plate of the transport box, and discharging the goods inside the transport box toward the goods collection location, Using the conveying device described in claim 8, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, and the transport box containing the items is transported to the item collection location. Subsequently, the hook portion is detached from the first and second protrusions, and the first hook portion of the hook portion is reattached to the second protrusion. Then, the transport box is lifted upwards via the lifting device, causing the items inside the transport box to fall out. Methods for transporting goods.

17. A method for transporting goods, comprising transporting a transport box containing goods to a goods collection location, opening the bottom plate of the transport box, and discharging the goods inside the transport box toward the goods collection location, Using the conveying device described in claim 9, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, and the transport box containing the items is transported to the item collection location. Subsequently, the hook portion is detached from the first and second protrusions, and the first hook portion of the hook portion is reattached to the second protrusion. Then, the transport box is lifted upwards via the lifting device, causing the items inside the transport box to fall out. Methods for transporting goods.

18. A method for transporting goods, comprising transporting a transport box containing goods to a goods collection location, opening the bottom plate of the transport box, and discharging the goods inside the transport box toward the goods collection location, The above item collection location will be a collection box with an opening at the top. Using the conveying device described in claim 10, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, thereby transporting the transport box containing the items to above the collection box. Subsequently, the hook portion is detached from the first and second protrusions, and the first hook portion of the hook is reattached to the second protrusion. Then, the transport box is lifted upwards via the lifting device, causing the items inside the transport box to fall into the collection box. The above hook section is reattached by placing the transport box on top of the collection box. Methods for transporting goods.

19. A method for transporting goods, comprising transporting a transport box containing goods to a goods collection location, opening the bottom plate of the transport box, and discharging the goods inside the transport box toward the goods collection location, The above item collection location will be a collection box with an opening at the top. Using the conveying device described in claim 11, The first hook portion of the hook is hooked onto the first protrusion, and the second hook portion is hooked onto the second protrusion, thereby transporting the transport box containing the items to above the collection box. Subsequently, the hook portion is detached from the first and second protrusions, and the first hook portion of the hook is reattached to the second protrusion. Then, the transport box is lifted upwards via the lifting device, causing the items inside the transport box to fall into the collection box. The above hook section is reattached by placing the transport box on top of the collection box. Methods for transporting goods.

20. A transport box for transporting box-shaped articles, comprising at least side plates and a bottom plate that can be opened and closed downwards around a pivot axis, A bracket is connected to the above-mentioned openable bottom plate and extends upward along the outer surface of the above-mentioned side plate, A first projection is provided on the bracket and protrudes in a direction away from the side plate portion facing the bracket, It comprises a second projection that protrudes outward from the side plate portion facing the bracket, at a position above the first projection, The first protrusion and the second protrusion are positioned to overlap when viewed from above. Transport box.

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