RU180619U1 - Stackable Folding Bulk Container - Google Patents

Abstract

The utility model relates to containers for storage and transportation of various bulk cargoes and can be used for storage in warehouses and for transportation by various transport. A stackable folding container for bulk cargo includes a lower frame 1, support racks 2, cross members 3, cables 4 and a flexible liner 5. In frame 1 there are cavities 6 for the forks of the forklift used to transport the container. At the corners of the lower frame 1 there are ribs 7, to the lower part of which spherical legs 8. The cross-section of the support posts 2 is smaller than the cross-section of the ribs 7, and the lower parts of the support posts 2 form a movable connection with the lower frame 1. At the top of each support 2, perpendicularly the strut and each other are two protrusions 9. The cross-section of the protrusions 9 is less than the cross-section of the cross members 3, and the cross-members 3 form a movable connection with the support posts 2. The length of the cross-members 3 is less than the distance between the ribs 7. The support posts 2 are provided with two outward brackets 10 through which the cables 4 are passed, tightening the racks 2 together. Flexible liner 5 has the shape of a truncated pyramid with a rectangular bottom and is equipped with hinges 11, 12 and 13, fixed on the lower frame 1, support posts 2 and cross members 3. A useful model can increase the stability of the structure to dynamic loads.

Description

The inventive utility model relates to containers for storage and transportation of various bulk cargoes and can be used for storage in warehouses and for transportation by various means of transport.

Known folding container for bulk cargo, including the upper and lower frames connected by supporting racks, as well as a flexible liner (patent US 8016145, publication date 09/13/2011). This device is taken as the closest analogue.

The disadvantage of this device is the structural rigidity, which reduces the stability of the structure to dynamic loads due to immunity to elastic deformation.

The technical result, which is achieved by the claimed utility model, is to create an elastic structure in which resistance to dynamic loads is increased.

The specified technical result is achieved in that the stackable folding container for bulk cargo, including the lower frame, support legs and a flexible liner, contains cross members and cables, the lower parts of the support posts movably connected to the lower frame, and the upper parts of the support posts movably connected to the cross members, while the cables pull the support legs together, and the liner has loops fixed to the lower frame, support legs and cross members.

In addition, the lower frame of the stackable collapsible bulk container is provided with spherical legs.

The utility model is illustrated by drawings, which depict:

- in FIG. 1 is a general view of a stackable folding container for bulk cargo;

- in FIG. 2 - the connection node of the support post with the lower frame and the connection node of the support post with a cross member.

According to FIG. 1-2, a stackable collapsible container for bulk cargo includes a lower frame 1, support legs 2, crossbars 3, cables 4 and a flexible liner 5. The lower frame 1 is made of structural material, for example, of steel profiles, integrally connected to each other, for example, by welding, and has a rectangular shape. In the frame 1 there are cavities 6 for the forks of the loader used for transporting the container. At the corners of the lower frame 1 there are ribs 7 made of a rectangular hollow profile, for example, steel, and rigidly attached, for example, by welding, to the frame 1. To the bottom of the ribs 7 are permanently attached, for example, by welding, spherical legs 8 made of structural material, for example, steel, and representing a half of a hollow sphere, facing down with a wide part. The supporting posts 2 and cross members 3 are made of structural material, for example, of a steel pipe of rectangular cross section. The cross-section of the support posts 2 is smaller than the cross-section of the ribs 7 on the lower frame 1. Due to this, the support posts 2 are easily inserted into the ribs 7 of the lower frame 1. The lower parts of the support posts 2, resting against the bottom of the ribs 7, have free movement inside the ribs 7 and form a movable connection with bottom frame 1 in the form of a hinge. In the upper part of each support post 2, at a distance from the upper edge equal to the depth of the spherical leg 8, two projections 9 are made perpendicular to the post and made to each other, made of structural material, for example, from a steel rectangular hollow profile, and one-piece, for example, by welding attached to the stand 2. The cross section of the protrusions 9 is smaller than the cross section of the crossbars 3. Due to this, the crossbars 3 are easily put on the protrusions 9 and form a movable connection with the supporting posts 2 in the form of a telescopic connection. The length of the cross members 3 is less than the distance between the ribs 7 of the lower frame 1 by an amount depending on the inner diameter of the spherical legs 8. The support posts 2 are equipped with two external brackets 10 through which the cables 4 are passed. The cables 4 can be made of steel or synthetic rope and pull the supporting posts 2 together. The distance between the brackets 10 depends on the necessary angle of action of the pulling force created by the cables 4. The flexible insert 5 is made of synthetic material, for example polypropylene, and has the shape of a truncated pyramid with a rectangular bottom. The liner 5 is provided with hinges 11, 12 and 13, fixed on the lower frame 1, support legs 2 and crossbars 3. Hinges 13, fixed on the crossbars, can be formed, for example, by folding out and down the upper edge of the liner 5 and sewing it to the side to the side of the liner 5. The hinges 11 and 12, mounted on the lower frame 1 and the support posts 2, are made of dense strong fabric, for example, from a sling tape, and sewn into the seams of the liner 5.

Stackable folding container for bulk cargo is assembled as follows. First, the bottom of the insert 5 is placed on the frame 1 and the hinges 11 are fixed on the sides of the frame 1. Then, the support posts 2 are inserted through the hinges 12 into the ribs 7 of the frame 1. Next, the cross members 3 are threaded through the hinges 13 and put on the protrusions 9 of the support posts 2. After that, the first the cable 4 is inserted into the brackets 10 so that it passes through the upper bracket 10 of the first rack 2, then sequentially through the lower bracket 10 of the second rack 2, through the upper bracket 10 of the third rack 2 and through the lower bracket 10 of the fourth rack 2. The ends of the first cable 4 connected by a tightening device, for example, tal epom. Then, the second cable 4 is also inserted into the brackets 7, but they start from the lower bracket 10 of the first rack 2. The ends of the second cable 4 are also connected by a tightening device, for example, a lanyard. The cables 4 are tightened until the cross members 3 are tightly clamped between the posts 2.

Stackable folding container for bulk cargo works as follows. At the moment of connecting the cross members 3 to the support posts 2 and the tension of both cables 4, all the loops of the insert 5 are pulled and stretch the insert 5 inside the frame of the container. Uniform stretching of the entire liner allows the uniform distribution of bulk cargo throughout the entire liner. In this case, the container takes the form of a truncated pyramid with a rigid rectangular base and struts elastically tightened together. Due to this shape, as well as the influence of the pulling force of the elastically strained cables, a three-dimensional force vector is created directed to the center of mass of the container, which increases the structural stability to dynamic loads.

When stacking containers, the upper part of the support post 2 of the lower container abuts against the inner surface of the spherical legs 8 of the upper container, and due to gravity and the spherical shape of the legs 8, the rack 2 occupies the highest position inside the legs 8. This is possible due to the elastic stretching of the cables, as well as the movable connection of both the lower part of the racks with the lower frame, and the upper part of the racks with cross members. Thereby, coaxiality of the respective supporting posts 2 of the lower and upper containers during stacking is achieved.

Thus, the claimed utility model improves the stability of the structure to dynamic loads.

Claims (2)

1. A stackable folding container for bulk cargo, comprising a lower frame, support legs and a flexible liner, characterized in that it comprises cross members and cables, the lower parts of the support posts being movably connected to the lower frame and the upper parts of the support posts movably connected to the cross members, In this case, the cables pull the support posts together, and the insert has hinges fixed on the lower frame, support posts and cross members. 2. A stackable folding container for bulk cargo according to claim 1, characterized in that the lower frame is provided with spherical legs.

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