Cargo box for cargo vehicle and cargo vehicle

Abstract

To protect a worker who has his / her hand or foot slipped when going up or down a ladder of a cargo box for a cargo vehicle.SOLUTION: Provided is a cargo box for cargo vehicle, comprising a ladder and a rail that is disposed along the ladder, to which a coupler connected to a worker is attached, and which guides the coupler moving with the worker. The cargo box for a cargo vehicle is configured to include a side wall body whose main face is erected in a horizontal direction and an upper frame body composed of a lateral stiffener mounted at an upper edge of the main face of the side wall body, and an upper end face of the rail is positioned higher than a lower end face of the upper frame body.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a cargo vehicle packing box and a cargo vehicle. [Background technology]

[0002] 2. Description of the Related Art A freight vehicle having a cargo box mounted on a chassis frame is known (Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2006-117371 A Summary of the Invention [Problem to be solved by the invention]

[0004] For example, some cargo boxes for freight vehicles have an open top, including those with a retractable canopy. In this type of cargo box, workers may need to climb onto the box to cover the cargo with a sheet. For this reason, a ladder may be installed on the box to allow workers to climb up and down.

[0005] SUMMARY OF THE PRESENT EMBODIMENT An object of the present invention is to provide a cargo vehicle packing box and a cargo vehicle capable of protecting a worker ascending or descending a ladder. [Means for solving the problem]

[0006] In order to achieve the above-mentioned object, the present invention provides a cargo box for a cargo vehicle, comprising a ladder, and a rail arranged along the ladder, to which a coupler connected to a worker is attached and which guides the coupler as it moves along with the worker. Effect of the Invention

[0007] According to the present invention, it is possible to protect workers going up and down a ladder. [Brief description of the drawings]

[0008] [Figure 1] 1 is a side view of a freight vehicle according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a top view of a freight vehicle according to an embodiment of the present invention. [Diagram 3] FIG. 2 is a rear view of a freight vehicle according to an embodiment of the present invention. [Figure 4] FIG. 5 is a left side view of a cargo vehicle packing box according to one embodiment of the present invention, and FIG. 6 is a right side view thereof. [Diagram 5] 1 is a right side view of a cargo vehicle packing box according to an embodiment of the present invention. FIG. [Figure 6] 1 is a plan view of a cargo vehicle packing box according to an embodiment of the present invention; [Figure 7] 1 is a rear view of a cargo vehicle container according to an embodiment of the present invention; [Figure 8] 1 is a front view of a cargo vehicle packing box according to an embodiment of the present invention; [Figure 9] FIG. 5 is an enlarged view of part A in FIG. [Figure 10] 10 is a cross-sectional view taken along the line BB in FIG. 9. [Figure 11] FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0010] Fig. 1 is a side view of a cargo vehicle according to one embodiment of the present invention, Fig. 2 is a top view thereof, and Fig. 3 is a rear view thereof. In the following, the right side in Fig. 1 is the front of the cargo vehicle, and the left side is the rear. In the following embodiment, an example in which the present invention is applied to a cargo vehicle packing box (hereinafter simply referred to as a packing box) having a so-called reciprocating conveyor-type moving floor (load transport device) will be described, but the application of the present invention is not limited to this, and the present invention can be applied to packing boxes of various cargo vehicles, such as packing boxes of dump trucks, packing boxes of feed transport vehicles that transport and discharge livestock feed, and packing boxes of powdered material transport vehicles.

[0011] -Freight cars- A cargo box 10 is mounted on a chassis frame 1 of a cargo vehicle shown in Figures 1 to 3. The cargo box 10 includes a side wall body 14, a lower frame body 11, an upper frame body 12, a vertical frame body 13, and a rear door 15.

[0012] The side walls 14 are made of plate material such as steel plate, and stand with their main surfaces 14a facing horizontally. In this embodiment, the side walls 14 are present on both the left and right sides and the front side of the packing box 10, with the main surfaces 14a of the left and right side walls 14 facing outward in the vehicle width direction, and the main surface 14a of the front side wall 14 facing forward. The lower frame 11, upper frame 12, and vertical frame 13 are welded to the main surfaces 14a of these side walls 14, reinforcing the side walls 14.

[0013] The lower frame 11 is composed of a plurality of lateral stiffeners 11S. The lateral stiffeners 11S are attached to the lower edge of the main surface 14a of each side wall 14, protruding horizontally from the main surface 14a, and extending horizontally along the main surface 14a of the corresponding side wall 14. The lower frame 11 is a frame at the lower end that constitutes the side wall of the packing box 10, and in this embodiment, is composed of left and right lateral stiffeners 11S that extend in the front-rear direction. However, the shape of the lower frame 11 is not limited, and the design can be changed as appropriate.

[0014] The upper frame 12 is composed of a plurality of horizontal stiffeners 12S. The horizontal stiffeners 12S are attached to the upper edge of the main surface 14a of each side wall 14, protrude horizontally from the main surface 14a, and extend horizontally along the main surface 14a of the corresponding side wall 14. The upper frame 12 is a frame at the upper end that constitutes the side wall of the packing box 10, and in this embodiment, is formed in a U-shape in plan view by left and right horizontal stiffeners 12S extending in the front-rear direction and a front side horizontal stiffener 12S extending in the left-right direction. Adjacent horizontal stiffeners 12S are welded together. However, the shape of the upper frame 12 is not limited, and the design can be changed as appropriate. Although not particularly shown, left and right rotatable canopies that open and close the top of the packing box 10 may be installed on the upper parts of the left and right horizontal stiffeners 12S.

[0015] The vertical frame body 13 is composed of a plurality of vertical stiffeners 13S. Each vertical stiffener 13S extends vertically along the main surface 14a of the side wall body 14 to connect the lower frame body 11 and the upper frame body 12, and protrudes horizontally from the main surface 14a. The vertical stiffeners 13S are located at the front and rear ends of the left and right side walls of the packing box 10, and a plurality of vertical stiffeners 13S (three in this embodiment) are arranged at a predetermined interval between the vertical stiffeners 13S at the front and rear ends. The vertical stiffeners 13S are welded to the horizontal stiffeners 11S and 12S that they connect to.

[0016] The rear door 15 constitutes the rear wall of the packing box 10 and opens and closes the rear face of the packing box 10, which serves as an entrance and exit for the packing box 10.

[0017] In addition, a reciprocating conveyor type moving floor 18 is provided over the entire bottom surface of the packing box 10. Loading and unloading of cargo onto and from the packing box 10 is performed by the operation of this reciprocating conveyor type moving floor 18. The reciprocating conveyor type moving floor 18 is configured to include a plurality of elongated rail floors 19 extending forward and backward. These rail floors 19 are arranged side by side with no gaps. Three adjacent rail floors 19 form one unit, and if the total number of rail floors 19 is 24, for example, the rail floors 19 are divided into eight units. The rail floors 19 (8 pieces) on the left side of each unit form a first group, the rail floors 19 (8 pieces) in the center of each unit form a second group, and the rail floors 19 (8 pieces) on the right side of each unit form a third group, and the rail floors 19 of each group operate in unison.

[0018] For example, when discharging the cargo from the packing box 10, only the eight rail beds 19 of the first group slide forward a predetermined distance, then the eight rail beds 19 of the second group slide forward a predetermined distance, and finally the eight rail beds 19 of the third group slide forward a predetermined distance, after which all the rail beds 19 of the three groups slide backward to their original positions at the same time. By repeating this operation, the cargo is transported backward and discharged from the packing box 10. Also, by repeating the reverse operation, cargo is loaded into the packing box 10. The reciprocating conveyor type moving bed is described in detail in JP 2006-117371 A.

[0019] The packing box 10 of this embodiment is also provided with a ladder 20 for a worker to climb up and down on the packing box 10. In this embodiment, the ladder 20 is provided at the front end of one of the left and right side walls of the packing box 10 (the right side wall in this embodiment). This ladder 20 is used by a worker to climb up and down when, for example, covering the top of the packing box 10 with a sheet to cover the luggage loaded in the packing box 10. As described above, the packing box 10 may be provided with a canopy, but even if the packing box 10 is provided with a canopy, a sheet may be used to cover it.

[0020] -rail- FIG. 4 is a left side view of a packing box for a cargo vehicle according to one embodiment of the present invention, FIG. 5 is a right side view thereof, FIG. 6 is a plan view, FIG. 7 is a rear view, FIG. 8 is a front view, FIG. 9 is an enlarged view of part A in FIG. 4, and FIG. 10 is a cross-sectional view taken along the line BB in FIG. 9.

[0021] The packing box 10 is provided with a rail 30 on which a coupler X (FIG. 10) connected to a worker is attached. The rail 30 is adjacent to the ladder 20 (for example, located at a distance of about the width of the ladder 20 or closer to the ladder 20) and is arranged to extend up and down along the ladder 20. The coupler X is connected to the worker via a rope Y and moves up and down along the rail 30 by being pulled by the rope Y along with the worker going up and down the ladder 20, but has a mechanism that grips the rail 30 and stops in place when the metal fitting to which the rope Y is hung is pulled down at an angle within a predetermined range. The coupler X is described in detail in, for example, JP 2022-089244 A.

[0022] As shown in FIG. 10, the rail 30 is a rod-shaped member with an H-shaped or I-shaped cross section, and is composed of a flange 31 facing the side wall of the packing box 10, a flange 32 parallel to the flange 31 and located on the side farther from the side wall 14 than the flange 31, and a web 33 perpendicular to the flanges 31 and 32 and connecting the flanges 31 and 32. The flanges 31 and 32 and the web 33 are all flat bar-shaped members extending vertically, and the rail 30 is configured by integrally molding the flanges 31 and 32 and the web 33. In this embodiment, the width (dimension in the front-rear direction) of the flange 31 is made wider than the width of the flange 32. The flange 31 closer to the side wall 14 is fixed to the packing box 10, and the connector X is attached to the flange 32 farther from the side wall 14. By relatively increasing the width of the flange 31, the mounting strength, stability, and impact load resistance of the rail 30 are improved.

[0023] The upper end surface 30a of the rail 30 is located higher than the lower end surface 12a of the horizontal stiffener 12S of the upper frame 12 as shown in Fig. 9. The upper end surface 30a of the rail 30 is located at a height equal to or lower than the upper end surface 12b of the horizontal stiffener 12S of the upper frame 12 (in the example of Fig. 9, the height is the same as the upper end surface 12b of the horizontal stiffener 12S). In this way, the rail 30 extends to the upper end of the packing box 10 or near the upper end.

[0024] The lower end of the rail 30 is located at a position where an operator standing on the ground can easily connect and disconnect it to the coupler X, and in this embodiment, at approximately the same height as the lateral stiffener 11S of the lower frame 11.

[0025] The rail 30 is attached to the packing box 10 via a plurality of stays 35 arranged at intervals in the vertical direction. The stay 35 is, for example, a metal fitting formed in an L-shape with a base 35a and an attachment portion 35b, although the shape is not limited thereto, and the base 35a is firmly fixed to the main surface 14a of the side wall body 14 of the packing box 10, for example, by welding. As a result, the stay 35 is located on the side closer to the main surface 14a with respect to the side surface S facing the horizontal direction (the same direction as the main surface 14a of the corresponding side wall body 14) of the horizontal stiffener 11S of the lower frame body 11, the horizontal stiffener 12S of the upper frame body 12, and each vertical stiffener 13S, that is, the surface located farthest from the main surface 14a in the horizontal direction, and protrudes from the base 35a to the opposite side to the main surface 14a. As a result, the stays 35 are located partly or entirely (most of them in this embodiment) inside (i.e., closer to the main surface 14a) than the outermost surface (side surface S) of the packing box 10 in the vehicle width direction, and do not protrude outward beyond the outermost surface (side surface S) of the packing box 10, or the amount of protrusion is kept small. From the viewpoint of suppressing the lateral protrusion of the rail 30 and increasing the volume of the packing box 10 as much as possible, it is desirable that the protrusion amount W1 of the stays 35 in the horizontal direction from the main surface 14a is equal to or smaller than the protrusion amount W2 of the vertical stiffener 13S in the same direction from the main surface 14a (W1≦W2). Even if it is necessary to make the protrusion amount W1 larger than the protrusion amount W2 (W1>W2), the protrusion amount (W1-W2) of the stays 35 from the side surface S of the vertical stiffener 13S is made as small as possible. By being supported by these stays 35, the upper portion 30u of the rail 30 abuts against or faces (close to) the side surface S of the upper frame 12 (close to each other via a small gap), and the amount of protrusion of the rail 30 from the side surface S is minimized. The amount of protrusion of the rail 30 from the side surface S is approximately equal to the cross-sectional dimension of the rail 30 (the vertical dimension in FIG. 10).

[0026] In this embodiment, the ladder 20 is provided at the front end of the packing box 10, and in order to arrange the rail 30 along the ladder 20, it is necessary to arrange the stay 35 near the vertical stiffener 13S (hereinafter, appropriately distinguished as the vertical stiffener 13SA) closest to the ladder 20. Although the stay 35 may be arranged at a position immediately behind the vertical stiffener 13SA closest to the ladder 20, in this embodiment, in order to arrange the rail 30 at a position closer to the ladder 20, a configuration is adopted in which the stay 35 is arranged at the position of the vertical stiffener 13SA. Therefore, a configuration is adopted in which a recess 13r is provided in the vertical stiffener 13SA and the stay 35 is fixed to this recess 13r.

[0027] In this embodiment, the vertical stiffener 13SA is divided into two parts 13a and 13b, and the two parts 13a and 13b are arranged with a gap between them, so that the space between the parts 13a and 13b is used as the recess 13r. The vertical stiffener 13SA made of the parts 13a and 13b has approximately the same dimension in the front-rear direction as the other vertical stiffener 13S. In the example of FIG. 10, the stay 35 is directly attached to the main surface 14a of the side wall body 14 between the parts 13a and 13b.

[0028] However, this configuration is only an example. The stay 35 may be configured to be fixed to a recess in an uneven portion that is uneven in the horizontal direction with respect to the main surface 14a. The uneven portion that is uneven in the horizontal direction with respect to the main surface 14a may be unevenness formed by the vertical stiffener 13S as a protruding member that is attached to the main surface 14a of the side wall body 14 so as to protrude from the main surface 14a as shown in FIG. 10, together with the main surface 14a, or may be unevenness provided on the protruding member itself attached to the main surface 14a. For example, as shown by the two-dot chain line in FIG. 10, the vertical stiffener 13SA may not be divided, and the surface facing the outside in the vehicle width direction may have a cross-sectional shape that is partially recessed, and this recessed portion may be the recess 13r. In this case, the base 35a of the stay 35 is fixed to the vertical stiffener 13SA, and the base 35a of the stay 35 is indirectly fixed to the main surface 14a of the side wall body 14 via the vertical stiffener 13SA. When configured in this manner, the amount of protrusion W1 of the stay 35 from the main surface 14a can increase by the amount that the stay 35 moves away from the side wall body 14, so it is preferable to shorten the dimension of the mounting portion 35b of the stay 35 so that the maximum distance of the stay 35 from the main surface 14a is maintained.

[0029] The rail 30 is fixed to the mounting portion 35b of the stay 35 by a bolt 36. Although the rail 30 and the stay 35 may be connected by the bolt 36, the present embodiment employs a configuration in which the flange 31 on the base side of the rail is sandwiched between a pair of metal fittings 38, and the pair of metal fittings 38 are fixed to the stay 35 by the bolt 36 and a nut 37. In the case of this configuration, it is not necessary to machine a through hole in the rail 30 for passing the bolt 36 through. Also, unlike a configuration in which the rail 30 is welded to the packing box 10, the rail 30 can be formed of a different material (e.g., an aluminum-based material) for the packing box 10, which is generally made of a steel-based material, to reduce the weight of the rail 30.

[0030] In order to prevent the coupler X from slipping off the top end of the rail 30, the shipping box 10 of this embodiment is provided with a non-movable stopper 39a that is aligned with the top end surface 30a of the rail 30. The configuration of the stopper 39a is not particularly limited, but a rod-shaped protrusion is attached to the surface of the lateral stiffener 12S of the upper frame 12 facing outward in the vehicle width direction at a position that abuts or approaches one of the front and rear sides of the rail 30 (the front side in this embodiment), and this is used as the stopper 39a. The stopper 39a is arranged so as to overlap with the movement trajectory Z (FIG. 9) of the coupler X moving along the rail 30, and is configured so that the coupler X hits the stopper 39a when it rises to the top end of the rail 30. For example, a protrusion may be provided as the stopper 39a at the top end of the rail 30, but by providing the stopper 39a separately from the rail 30 on the side wall of the shipping box 10 as in this embodiment, it is not necessary to process the rail 30. 9 indicate the ends of the movement trajectory Z, and the two dotted chain lines and the area between them correspond to the movement trajectory Z of the coupler X.

[0031] A stopper 39b (FIG. 9) for preventing the coupler X from falling off is also provided on the lower side of the rail 30. The stopper 39b is located in the recess 13r. However, the stopper 39b has a movable structure for attaching and detaching the coupler X to and from the rail 30.

[0032] -effect- (1) By arranging the rails 30 along the ladder 20 to which the coupler X connected to the worker is attached so as to be guided, for example, when the worker goes up or down the ladder 20 to cover a load with a sheet, even if the worker accidentally slips, the coupler X attached to the worker can be supported by the rails 30. This makes it possible to protect the worker going up or down the ladder 20.

[0033] (2) For example, after a worker climbs onto the cargo box 10, he or she may remove the rope Y of the coupler X from the worker's body in order to expand the range of movement. In this case, the worker hangs the rope Y that he or she removed from the coupler X so that the coupler X stops near the upper end of the rail 30, and confirms that the coupler X stops in place by the stopper function. After that, when the worker finishes work such as hanging a sheet on the ladder 20 and descends the ladder 20, he or she reels in the rope Y hanging from the coupler X and connects it to himself or herself.

[0034] Therefore, in this embodiment, the upper end surface 30a of the rail 30 is located higher than the lower end surface 12a of the horizontal stiffener 12S that constitutes the upper frame 12, and the rail 30 extends to the upper end or near the upper end of the packing box 10. Therefore, the coupler X can be moved to the vicinity of the upper end of the packing box 10 and stopped there, and the rope Y can be lowered or pulled in as described above with the coupler X right at the worker's feet. When lowering or pulling in the rope Y, the worker does not need to stretch his or her arms downward, which reduces the burden on the worker.

[0035] Furthermore, if the position of the upper end surface 30a of the rail 30 is higher than necessary, it becomes difficult to ensure the volume of the packing box 10, and conversely, if the position of the upper end surface 30a of the rail 30 is lower than necessary, it becomes difficult to work on top of the packing box 10. From this perspective as well, by having the upper end surface 30a of the rail 30 higher than the lower end of the upper frame 12 and lower than the upper end of the upper frame 12, it is possible to ensure both the volume of the packing box 10 and the ease of work at the top of the packing box 10.

[0036] (3) In addition, the upper end surface 30a of the rail 30 is located at a height equal to or lower than the upper end surface 12b of the horizontal stiffener 12S constituting the upper frame 12, so that the rail 30 does not protrude upward from the packing box 10. This makes it possible to prevent the rail 30 from protruding upward, thereby preventing a reduction in the height of the packing box 10, i.e., the capacity of the packing box 10.

[0037] (4) With respect to the side surface S of the lower frame 11, the upper frame 12, and the vertical stiffener 13S, all or a part of the base 35a of the stay 35 is located closer to the main surface 14a of the side wall 14. In this embodiment, the stay 35 is fixed to the side wall 14, but may be provided in a recess of the vertical stiffener 13SA as illustrated by the two-dot chain line in FIG.

[0038] The stay 35 configured in this manner supports the rail 30 with its upper end in contact with or close to the side of the upper frame 12, thereby restricting the amount by which the rail 30 protrudes from the packing box 10.

[0039] Here, from the viewpoint of ensuring the volume of the packing box 10 (the width of the packing box 10 in the vehicle width direction), it is preferable that the rail 30 itself is configured to be recessed into the side S of the lower frame 11, the upper frame 12, and the vertical stiffener 13S closer to the main surface 14a. However, in such a configuration, the rail 30 cannot be extended to near the upper end of the packing box 10 unless the horizontal stiffener 12S of the upper frame 12 is cut out. In this case, if the upper frame 12 is cut out, the strength of the packing box 10 decreases, and if it is not cut out, the rail 30 cannot be extended to the upper end of the packing box 10, and the above effect (2) cannot be obtained.

[0040] In contrast, in the present embodiment, the amount by which the rail 30 protrudes from the side surface S of the cargo box 10 is minimized, while the rail 30 can be extended to near the upper end of the cargo box 10, thereby achieving a balanced combination of ensuring the volume of the cargo box 10 and reducing the burden on the worker when attaching and detaching the rope Y.

[0041] (5) By fixing the stay 35 to the recess 13r provided in the vertical stiffener 13SA closest to the ladder 20, the rail 30 can be positioned closer to the ladder 20 than in the case where the stay 35 is provided behind the vertical stiffener 13SA to avoid the vertical stiffener 13SA. This improves the angle of the rope Y with respect to the coupler X when the worker ascends or descends the ladder 20, and allows the coupler X to operate smoothly and appropriately.

[0042] (6) By welding the stays 35 to the side wall body 14 or the vertical stiffener 13SA and fixing the rails 30 to the stays 35 with bolts 36, the rails 30 can be made of a material (such as aluminum-based material) different from the main body of the packing box 10 which is generally made of a steel-based material. This provides the advantage of characteristics or manufacturing according to the selected material, such as weight reduction of the rails 30 and application of drawing processing.

[0043] (7) Furthermore, by arranging the stopper 39a in alignment with the upper end surface 30a of the rail 30, when a worker stands on a packing box 10 and pulls the rope Y to bring the coupler X closer to himself, the worker can intuitively confirm that the coupler X is located right at his feet by pulling the rope Y until he feels the coupler X hit the stopper 39a.

[0044] -Variations- The present invention is not limited to the above-described embodiment, and may include various modified examples. For example, the above-described embodiment has been described in detail to easily explain the present invention, and is not necessarily limited to an embodiment having all of the configurations described. For example, it is possible to replace a part of the configuration with another configuration. It is also possible to delete a part of the configuration of the embodiment, or to add another configuration.

[0045] Specifically, as mentioned above, an example has been described in which the present invention is applied to a cargo box 10 having a reciprocating conveyor-type moving floor, but the application of the present invention is not limited to this, and the present invention can be applied to the cargo boxes of various cargo vehicles, such as the cargo boxes of dump trucks, the cargo boxes of feed transport trucks that transport and discharge livestock feed, the cargo boxes of powdered material transport trucks, and the cargo boxes of container loading and unloading trucks.

[0046] In addition, although an example in which the ladder 20 and rail 30 are provided at the front of the right side of the packing box 10 has been described, this layout can also be changed as appropriate. It is also conceivable that the rail 30 is disposed at the rear of the side surface of the packing box, or that the rail 30 is disposed at the rear or front surface of the packing box.

[0047] In addition, although an example has been described in which the width of the flange 31 on the base side of the rail 30 is made larger than the flange 32 on which the coupler X is attached, the flanges 31 and 32 may have the same width, or the relationship between the widths of the flanges 31 and 32 may be reversed. The length of the web 33 (the distance between the flanges 31 and 32) can also be changed as appropriate. The cross-sectional shape of the rail 30 can also be changed, and for example, the cross-section may be T-shaped and fixed directly to the stay 35 by bolts 36 or the like.

[0048] As described above, the upper end surface 30a of the rail 30 may be located at a height higher than the lower end surface 12a of the lateral stiffener 12S of the upper frame 12 and lower than the upper end surface 12b. In FIG. 9, the upper end surface 30a of the rail 30 is the same height as the upper end surface 12b of the lateral stiffener 12S, but the upper end surface 30a of the rail 30 and the stopper 39a may be located at the lower part of the lateral stiffener 12S as shown in FIG. 11(a). The upper end surface 30a of the rail 30 and the stopper 39a may be located at the middle of the lateral stiffener 12S as shown in FIG. 11(b). As described above, the stopper 39a may be provided on the rail 30. [Explanation of symbols]

[0049] 10...cargo vehicle shipping box, 11...lower frame body, 11S...horizontal stiffener, 12...upper frame body, 12a...lower end surface, 12b...upper end surface, 12S...horizontal stiffener, 13...vertical frame body, 13r...recess, 13S...vertical stiffener, 13SA...vertical stiffener closest to ladder, 14...side wall body, 14a...main surface, 20...ladder, 30...rail, 30a...upper end surface, 30u...upper part, 35...stay, 36...bolt, 39a...stopper, S...side surface, X...coupler

Claims

1. A ladder and a rail arranged along the ladder, to which a coupler connected to a worker is attached and which guides the coupler as it moves along with the worker; A cargo vehicle container comprising:

2. 2. The cargo vehicle container according to claim 1, A side wall body having a main surface extending horizontally; An upper frame body composed of a lateral stiffener attached to the upper edge of the main surface of the side wall body; The present invention relates to a method for manufacturing a computer-implemented ...

13. A cargo box for a freight vehicle, comprising: a rail having an upper end surface located at a height higher than a lower end surface of the upper frame and lower than a height of the upper end surface of the upper frame.

3. The cargo vehicle packing box according to claim 2, A stay is fixed directly or indirectly to the main surface, 13. A cargo box for a cargo vehicle, comprising: a rail supported by the stays such that an upper portion of the rail faces the upper frame in a horizontal direction.

4. The cargo vehicle packing box according to claim 3, A concave-convex portion is formed on the main surface in a horizontal direction, A cargo box for a cargo vehicle, wherein the stay is fixed to a concave portion of the uneven portion.

5. The cargo vehicle packing box according to claim 4, A lower frame body composed of a horizontal stiffener attached to a lower edge of the main surface of the side wall body; A vertical frame body composed of a plurality of vertical stiffeners connecting the lower frame body and the upper frame body, 13. A cargo box for a cargo vehicle, comprising: a vertical stiffener having a recess formed therein that is closest to the ladder;

6. 2. The cargo vehicle container according to claim 1, A cargo box for a cargo vehicle, characterized in that it is positioned so as to align with the upper end surface of the rail and overlap with the movement trajectory of the coupler, and is provided with a stopper that prevents the coupler from coming off the rail.

7. In freight vehicles equipped with freight car containers, The cargo vehicle container comprises: A ladder and a rail arranged along the ladder, to which a coupler connected to a worker is attached and which guides the coupler as it moves along with the worker; A freight vehicle comprising:

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