阅读说明：本技术 一种集装箱底架及集装箱 (Container underframe and container ) 是由 吴志强 张小初 张志伦 吴潮栋 钟伟军 于 2020-05-23 设计创作，主要内容包括：一种集装箱底架及集装箱,该集装箱底架包括多个底横梁、地板、两支撑座,相邻两底横梁之间形成一安装间隙,地板上开设有两个通槽,位于两通槽相互远离的一边分别形成外支撑边；底横梁或地板上固定连接有位于安装间隙内的支撑件,支撑件上设置有第一支撑部和第二支撑部,第二支撑部的高度高于第一支撑部的高度；支撑座包括支撑板、支座、安装座,安装座上设置有支撑单元,该支撑单元可在置于第一支撑部上的第一位置和置于第二支撑部上的第二位置之间摆动,在支撑单元处于第一位置时,支撑板收容于通槽,在支撑单元处于第二位置时,支座支撑于外支撑边上以使支撑板倾斜设置。本发明增大了集装箱的适用范围,节省了运输成本。(A container underframe and a container are disclosed, the container underframe comprises a plurality of bottom crossbeams, a floor and two supporting seats, an installation gap is formed between every two adjacent bottom crossbeams, two through grooves are arranged on the floor, and the sides of the two through grooves far away from each other respectively form outer supporting sides; a support piece positioned in the installation gap is fixedly connected to the bottom cross beam or the floor, a first support part and a second support part are arranged on the support piece, and the height of the second support part is higher than that of the first support part; the supporting seat comprises a supporting plate, a support and a mounting seat, wherein a supporting unit is arranged on the mounting seat and can swing between a first position on the first supporting part and a second position on the second supporting part, the supporting plate is contained in the through groove when the supporting unit is located at the first position, and the support is supported on the outer supporting edge to enable the supporting plate to be arranged obliquely when the supporting unit is located at the second position. The invention enlarges the application range of the container and saves the transportation cost.)

1. A container underframe is characterized by comprising a plurality of bottom crossbeams, a floor and two oppositely arranged supporting seats, wherein the bottom crossbeams extend along the width direction of the container underframe, the bottom crossbeams are arranged along the length direction of the container underframe, an installation gap is formed between every two adjacent bottom crossbeams, the floor is laid on the bottom crossbeams, two oppositely arranged through grooves are formed in the floor, and the sides, far away from each other, of the two through grooves form outer supporting edges respectively; a support piece positioned in the installation gap is fixedly connected to the bottom cross beam or the floor, a first support part and a second support part are arranged on the support piece, and the height of the second support part is higher than that of the first support part; the two supporting seats respectively correspond to the two through grooves and are oppositely arranged, each supporting seat comprises a supporting plate, a supporting seat fixed below the corresponding supporting plate and a mounting seat fixed below the corresponding supporting plate, a supporting unit is arranged on each mounting seat and can swing between a first position arranged on the corresponding first supporting part and a second position arranged on the corresponding second supporting part, the supporting plates are contained in the through grooves when the supporting units are located at the first positions, and the supporting seats are supported on the outer supporting edges to enable the supporting plates to be obliquely arranged and the supporting plates on the two supporting seats to jointly form a V-shaped supporting structure when the supporting units are located at the second positions.

2. The container chassis of claim 1, wherein the support member is provided with a guide groove in which the support unit is slidably fitted; the first supporting part is a first clamping groove formed in the supporting part, the first clamping groove is used for being in clamping fit with the supporting unit when the supporting unit is located at a first position, the second supporting part is a second clamping groove formed in the supporting part, and the second clamping groove is used for being in clamping fit with the supporting unit when the supporting unit is located at a second position; the guide groove comprises a first section and a second section which are mutually connected, the first section extends upwards from the first clamping groove, and the second section extends downwards from the top end part of the first section to the second clamping groove in an inclined way; the supporting unit is a pin shaft penetrating into the guide groove.

3. The container underframe of claim 2, wherein the mounting seat comprises two oppositely arranged supporting vertical plates, the two supporting vertical plates are respectively arranged at two sides of the supporting member, and the pin shaft is fixed between the bottom ends of the two supporting vertical plates.

4. The container chassis according to claim 2, wherein the angle between the second section of the guide groove and the floor is a, wherein 45 ° ≧ a ≧ 5 °.

5. The container chassis of claim 1, wherein the floor panels have inner supporting edges formed at the edges of the two through slots adjacent to each other; when the supporting unit is at the first position, the supporting plate is accommodated in the through groove, and two sides of the supporting plate are respectively lapped on the inner supporting edge and the outer supporting edge.

6. A container chassis according to claim 5 in which a support beam is secured to the floor on each side of the channel, the support beam being secured above the top surface of the base cross member, the inner and outer support edges being located on each support beam, the upper surfaces of the support beams being flush with the upper surface of the floor.

7. The container underframe of claim 6, wherein one of the support beams is provided with a fixed vertical plate extending into the installation gap, two ends of the fixed vertical plate are respectively and fixedly connected to the bottom cross beam at two sides of the installation gap, a sealing plate is fixed at the bottom of the bottom cross beam and the fixed vertical plate, the sealing plate covers the bottom of the installation gap, one end of the support member is fixed on the sealing plate, and the other end of the support member is fixed on the fixed vertical plate.

8. The container chassis of claim 1, wherein the support plate is the same thickness as the floor, and an upper surface of the support plate is flush with an upper surface of the floor when the support unit is in the first position.

9. The container chassis of claim 1, wherein the upper surface of the support panel is provided with a downwardly recessed well in which a handle is hinged.

10. A container comprising a container base frame according to any one of claims 1 to 9, two side frames respectively located on both sides of the container base frame, two end walls respectively located on both ends of the container base frame, a door mounted on one of the end walls, and a top cover covering the tops of the two side frames and the two end walls.

Technical Field

The invention relates to the field of logistics transportation, in particular to a container underframe, and also relates to a container with the container underframe.

Background

At present, like the coil of strip, the cylinder class goods of major diameter such as steel pipe adopt the container to transport usually, in order to realize the sea and land multitype intermodal of this kind of goods, it is specific, it is V-arrangement bearing structure to set up one on the chassis of container, arrange the coil of strip on bearing structure, the both sides of coil of strip are supported respectively to V-arrangement bearing structure's both sides, so, fix the coil of strip on the container chassis, because current V-arrangement bearing structure is fixed on the chassis, it can only be used for transporting the cylinder class goods of major diameter when container is peddled, make the container can not regard as ordinary bulk cargo case to use, make the use of container receive great restriction, the condition that empty case transported back may appear even.

Disclosure of Invention

In view of the shortcomings of the prior art, it is an object of the present invention to provide a container chassis which can be suitable for transporting cylindrical goods and can also be used for transporting other types of goods.

The second purpose of the invention is to provide a container.

In order to achieve the first purpose, the invention adopts the following technical scheme:

a container underframe comprises a plurality of bottom cross beams, a floor and two opposite supporting seats, wherein the bottom cross beams extend along the width direction of the container underframe, the bottom cross beams are arranged along the length direction of the container underframe, a mounting gap is formed between every two adjacent bottom cross beams, the floor is laid on the bottom cross beams, two opposite through grooves are formed in the floor, and outer supporting edges are respectively formed on the sides, far away from each other, of the two through grooves; a support piece positioned in the installation gap is fixedly connected to the bottom cross beam or the floor, a first support part and a second support part are arranged on the support piece, and the height of the second support part is higher than that of the first support part; the two supporting seats respectively correspond to the two through grooves and are oppositely arranged, each supporting seat comprises a supporting plate, a supporting seat fixed below the corresponding supporting plate and a mounting seat fixed below the corresponding supporting plate, a supporting unit is arranged on each mounting seat and can swing between a first position arranged on the corresponding first supporting part and a second position arranged on the corresponding second supporting part, the supporting plates are contained in the through grooves when the supporting units are located at the first positions, and the supporting seats are supported on the outer supporting edges to enable the supporting plates to be obliquely arranged and the supporting plates on the two supporting seats to jointly form a V-shaped supporting structure when the supporting units are located at the second positions.

The supporting piece is provided with a guide groove, and the supporting unit is embedded in the guide groove in a sliding manner; the first supporting part is a first clamping groove formed in the supporting part, the first clamping groove is used for being in clamping fit with the supporting unit when the supporting unit is located at a first position, the second supporting part is a second clamping groove formed in the supporting part, and the second clamping groove is used for being in clamping fit with the supporting unit when the supporting unit is located at a second position; the guide groove comprises a first section and a second section which are mutually connected, the first section extends upwards from the first clamping groove, and the second section extends downwards from the top end part of the first section to the second clamping groove in an inclined way; the supporting unit is a pin shaft penetrating into the guide groove.

The mount pad includes the support riser of two relative settings, and support piece's both sides are arranged respectively in to two support risers, and the round pin axle is fixed between the bottom portion of two support risers.

The included angle between the second section of the guide groove and the floor is a, wherein 45 degrees and more than or equal to a are more than or equal to 5 degrees.

The inner supporting edges are respectively formed on the sides of the floor, which are positioned at the positions where the two through grooves are close to each other; when the supporting unit is at the first position, the supporting plate is accommodated in the through groove, and two sides of the supporting plate are respectively lapped on the inner supporting edge and the outer supporting edge.

And two supporting beams are respectively fixed on two sides of the through groove on the floor, the supporting beams are fixed above the top surface of the bottom cross beam, the inner supporting edge and the outer supporting edge are respectively positioned on the two supporting beams, and the upper surfaces of the supporting beams are flush with the upper surface of the floor.

One of the supporting beams is provided with a fixed vertical plate extending into the installation gap, two ends of the fixed vertical plate are respectively and fixedly connected to the bottom cross beams on two sides of the installation gap, the bottoms of the bottom cross beams and the fixed vertical plate are fixedly provided with a sealing plate, the sealing plate is sealed at the bottom of the installation gap, one end of the supporting piece is fixed to the sealing plate, and the other end of the supporting piece is fixed to the fixed vertical plate.

The support plate has the same thickness as the floor, and an upper surface of the support plate is flush with an upper surface of the floor when the support unit is in the first position.

The upper surface of the supporting plate is provided with a concave position which is sunken downwards, and a handle is hinged in the concave position.

In order to achieve the second purpose, the invention adopts the following technical scheme:

a container comprises the container underframe, two side frames respectively positioned at two sides of the container underframe, two end walls respectively positioned at two ends of the container underframe, a container door arranged on one end wall, and a top cover for sealing the tops of the two side frames and the two end walls.

The invention has the beneficial effects that:

compared with the prior art, the container can be suitable for transporting large-diameter cylindrical goods and can be used as a common bulk container, the application range of the container is enlarged, the condition that the container is returned to be transported in an empty container is avoided, and the transportation cost is greatly saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the supporting seat shown in FIG. 1;

FIG. 3 is a schematic view of a usage state of the present invention;

FIG. 4 is a cross-sectional view of the state shown in FIG. 3;

FIG. 5 is a schematic view of the turning process of the support base according to the present invention;

FIG. 6 is another schematic view of the turning process of the support base according to the present invention;

fig. 7 is a cross-sectional view of another state of use of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1, 2, 3 and 4, a container underframe of the present invention comprises a plurality of bottom cross beams 10, a floor 20 and two oppositely disposed supporting seats 30, wherein the bottom cross beams 10 extend along a width direction (i.e. a Y direction in the figure) of the container underframe, the plurality of bottom cross beams 10 are arranged along a length direction (i.e. an X direction in the figure) of the container underframe, a mounting gap 11 is formed between two adjacent bottom cross beams 10, the floor 20 is laid on the plurality of bottom cross beams 10, and a main body part of the container underframe is formed by the floor 20 and the plurality of bottom cross beams 10; the floor 20 is provided with two through grooves 23, the length directions of the two through grooves 23 are consistent with the X direction, the two through grooves 23 are symmetrically distributed on two sides of the longitudinal center line of the floor 20, namely the two through grooves 23 are oppositely arranged, a support beam 22 is arranged on the edge, close to the inner side, of the through groove 23 on the floor 20, a support beam 21 is arranged on the edge, close to the outer side, of the through groove 23 on the floor 20, the support beam 22 and the support beam 21 both extend along the X direction and are fixed on the top surface of the bottom cross beam 10, the support beam 22 and the support beam 21 are respectively provided with flanges facing the middle part of the width direction of the through groove 23, and the flanges of the support beam 22 and the support beam 21 respectively form a support edge, namely, two sides of the through groove 23 on the floor 20 are respectively provided with a support edge, wherein the support edge on the support beam 22 is an inner support edge 221, and the support edge on the support beam 21 is an outer support edge 211; a support member 40 is arranged in the mounting gap 11, the support member 40 is provided with a first support portion and a second support portion, and the support member 40 can be directly or indirectly fixed on the floor 20 or the bottom cross beam 10; the two support seats 30 correspond to the two through grooves 23 respectively, the two support seats 30 are arranged oppositely, each support seat 30 comprises a support plate 31, a support 33 and an installation seat 32, the support 33 and the installation seat 32 are fixed on the lower surface of the support plate 31, the support 33 and the installation seat 32 can be two or more, the support 33 can be composed of more than two square pipes, the top ends of the more than two square pipes are welded and fixed on the lower surface of the support plate 31 and are positioned at different positions in the width direction of the support plate 31, the bottom ends of the square pipes are welded and fixed together, a support end 331 is formed at the bottom end part of the support 33, and the support end 331 can be matched with the outer support edge 211; a supporting unit is arranged on the mounting seat 32, the supporting unit may be a pin 321, the pin 321 may be clamped on a first supporting portion of the supporting member 40, or may be clamped on a second supporting portion of the supporting member 40, wherein the height position of the second supporting portion is higher than that of the first supporting portion; a pin 321 as a supporting unit, which can swing between a first position on the first supporting portion and a second position on the second supporting portion, so as to make the supporting seat 30 form two placing states on the container chassis, when the pin 321 is at the first position on the first supporting portion, the supporting plate 31 is accommodated in the through slot 23, and the outer side 311 of the supporting plate 31 overlaps the outer supporting side 211, the inner side 312 of the supporting plate 31 overlaps the inner supporting side 221, the seat 33 and the mounting seat 32 under the supporting plate 31 are accommodated in the mounting gap 11, two or more seats 33 and mounting seats 32 can be respectively arranged in different mounting gaps 11, or can be respectively accommodated in the mounting gap 11 opposite to the seat 33 and the mounting seat 32 according to actual size; since the second supporting portion is higher than the first supporting portion, the position of the pin 321 is raised when the pin 321 swings from the first supporting portion to the second supporting portion, and thus, when the pin 321 is in the second position, which is placed on the second support portion, the outer side edge 311 of the support plate 31 is raised too high above the floor 20, meanwhile, the supporting end 331 of the bottom end of the support 33 is overlapped on the outer supporting edge 211, and at this time, the supporting seat 30 is supported by two portions (the outer supporting edge 211 and the second supporting portion on the supporting member 40) on the container bottom frame, so that when the supporting seat 30 is not subjected to other external forces in this state, the position and angle of the supporting plate can be kept constant, so that the supporting plate 31 on the supporting seat 30 is obliquely arranged, moreover, the support plates 31 on the two support seats 30 jointly form a support structure in a V shape to meet the placing requirements of cylindrical goods.

When the pin 321 is in the first position as shown in fig. 7, both sides of the supporting plate 31 are respectively overlapped on the inner supporting edge 221 and the outer supporting edge 211, and at this time, when the container underframe carries cargo, the pressure applied on the supporting plate 31 is transmitted downward to the bottom cross beam 10 through the supporting beam 22 and the supporting beam 21. In another embodiment, the support plate 31 may be directly abutted against the top surface of the base beam 10 in the state shown in fig. 7 of the support plate 31 without providing the support beams 22 and 21.

In a preferred embodiment, the support 40 is provided with a guide groove 41, the pin 321 is inserted into the guide groove 41, the pin 321 is embedded in the guide groove 41 and can slide along the extending direction of the guide groove 41, the first support portion and the second support portion are respectively disposed at two end portions of the guide groove 41, specifically, the first support portion is a slot 414 formed on the support 40, the second support portion is a slot 413 formed on the support 40, the slot 414 and the slot 413 can be respectively matched with the pin 321, when the pin 321 is at the first position, the pin 321 is clamped in the slot 414, and when the pin 321 is at the second position, the pin 321 is clamped in the slot 413. The guide groove 41 may be provided in two sections, specifically, the guide groove includes a first section 412 and a second section 411, the first section 412 extends upward from the locking groove 414, the second section 411 extends downward from the top end of the first section 412 to the locking groove 413 in an inclined manner, the locking groove 413 is higher than the locking groove 414, when the pin 321 slides from the locking groove 414 to the locking groove 413 along the guide groove 41, the support plate 31 on the support seat 30 is turned over from a state of being completely accommodated in the through groove 23 to a state of forming a V-shaped support structure as shown in fig. 3 and 4; fig. 4, 5, 6, and 7 sequentially illustrate that the supporting plate 31 is turned from a state of forming a V-shaped supporting structure to a state of being completely accommodated in the through groove 23, wherein in the state shown in fig. 4, the supporting plate 31 is turned to an inclined state higher than the upper surface of the floor 20, at this time, the pin 321 is placed in the clamping groove 413, the supporting end 331 on the support 33 is supported by the outer supporting edge 211, since the second section 411 of the guiding groove 41 is obliquely arranged and the clamping groove 413 is located at a relatively lower end of the second section 411, the pin 321 is prevented from sliding along the second section 411 by the inclination angle of the second section 411, and the supporting end 311 and the outer supporting edge 211 support each other, so as to avoid the displacement of the pin 321, and thus achieve self-locking of the pin 321; as shown in fig. 5, when the state of the supporting seat 30 needs to be changed, the supporting seat 30 is lifted upwards by a small displacement, and the supporting seat 30 is rotated towards the inner side of the container bottom frame by a small angle around the pin 321, the pin 321 has a freedom degree of moving upwards along the second section 411, at this time, the supporting seat 30 is continuously lifted upwards, so that the pin 321 is separated from the slot 413 and slides along the second section 411, and fig. 5 shows a state that the pin 321 slides to the top end of the second section 411 (i.e. the position connected with the first section 412) when the supporting seat 30 is subjected to an external force; referring to fig. 6, when the pin 321 slides over the top end of the second section 411, the pin 321 slides into the first section 412, and at this time, the external force on the supporting seat 30 is released, and the pin 321 can slide downward along the first section 412, that is, the supporting seat 30 slides downward in the installation gap 11, and finally, as shown in fig. 7, the pin 321 slides into the engaging groove 414, the supporting seat 30 is turned over at the same time of descending height in the installation gap 11, the supporting seat 30 is completely placed in the installation gap 11, the supporting plate 31 is completely accommodated in the through groove 23, the outer side 311 of the supporting plate 31 overlaps the outer supporting side 211, and the inner side 312 overlaps the inner supporting side 221. The included angle between the second section 411 of the guide groove 41 and the floor 20 is a, that is, the included angle between the second section 411 of the guide groove 41 and the horizontal plane is a, preferably 45 degrees ≧ a ≧ 5 degrees, and in the actual use process, the included angle a is set to 23 degrees, so that the pin 321 can realize self-locking, and at the same time, when the support seat 30 is lifted from the state shown in fig. 4 to the state shown in fig. 5, time and labor can be saved.

The pin 321 of the present invention is inserted into the guide groove 41 as a support unit, which can prevent the support base 30 from being completely separated from the container bottom frame, and can ensure that the support base 30 is in an open state as shown in fig. 4 and a closed state as shown in fig. 7 with respect to the container bottom frame. In order to match the installation of the pin 321, the installation base 32 may include two supporting vertical plates, top end portions of the supporting vertical plates are fixed on the lower surface of the supporting plate 31, and the pin 321 is fixed between bottom end portions of the two supporting vertical plates. When the device is installed, the two supporting vertical plates are respectively arranged at two sides of the supporting member 40, and the pin shaft 321 sequentially penetrates through the two supporting vertical plates and the guide groove 41 and then is locked by a nut. It should be emphasized that, in other embodiments, two slots may be directly formed on the supporting member 40, and the two slots are recessed positions disposed at the edge of the supporting member 40, as long as they can be matched with the pin 321 to position the pin 321, and whether the supporting seat 30 is separated from the container chassis or not may not be considered, and the supporting seat can respectively support the pin 321 in the states shown in fig. 4 and 7.

In the above-described structure of the present invention, by providing the support beams 21 and 22 on the floor 20 on both sides of the through-grooves 23, it is possible to provide one support beam 22 at a position between the through-grooves 23, that is, the support beam 22 is shared by the support plates 31 on the support base 30, the support beam 22 has a cross-sectional shape of Ω, and the flanged portions extending from both sides thereof form two inner support edges 221, thereby allowing the inner side edges 312 of the two support plates 31 to be lapped, respectively. In order to ensure a better flatness of the upper surface of the container underframe, the support beams 21 and 22 are fixed above the top surface of the bottom beam 10 and their upper surfaces are flush with the upper surface of the floor 20; meanwhile, the thickness of the supporting plate 31 is the same as that of the floor 20, and in the state shown in fig. 7, when the pin 321 is clamped in the clamping groove 414, the supporting seat 30 is in the fastened state, and the upper surface of the supporting plate 31 is flush with the upper surface of the floor 20, so that the whole upper surface of the container chassis is flat, and the container chassis can be suitable for transporting other types of goods. The supporting beams 21 and 22 are arranged to provide support for the supporting seat 30, the supporting beams 21 and 22 are fixed on the bottom cross beam 10 and extend along the longitudinal direction of the container underframe, the strength of the container underframe can be increased, the structure of the supporting beams 21 and 22 is suitable for the container underframe with the floor 20 being a wood floor or a bamboo-wood composite floor, when the floor 20 is a steel floor or adopts other materials with better strength, the supporting beams 21 and 22 can be omitted, and the floor 20 is directly positioned at the two side edges of the through groove 23 and is bent downwards and turned over to form the inner supporting edge 221 and the outer supporting edge 211.

The supporting beam 21 is provided with a fixed vertical plate 212 extending downwards, the fixed vertical plate 212 extends downwards to the mounting gap 11 from one side of the supporting beam 21 close to the through groove 23, two ends of the fixed vertical plate 212 are respectively and fixedly connected to the bottom cross beam 10 positioned at two sides of the mounting gap 11, a sealing plate 12 for sealing the mounting gap 11 is fixed at the bottom of the bottom cross beam 10 and the fixed vertical plate 212, the frame sealing cover formed by the fixed vertical plate 212 and the bottom cross beam 10 is closed by the sealing plate 12, that is, the bottom of the container chassis corresponding to the through groove 23 is sealed by the sealing plate 12, one end of the supporting member 40 is welded and fixed on the sealing plate 12, and the other end is welded and fixed on the fixed vertical plate 212. In other embodiments, the supporting member 40 may be fixed to the floor 20, the supporting member 40 may be directly fixed to the bottom cross member 10, or a portion of one of the bottom cross members 10 located below the through groove 23 may be regarded as the supporting member, the above-mentioned guide groove is formed in the bottom cross member 10, and the pin 321 may cross the guide groove provided in the bottom cross member 10.

Note that the pin 321 as the supporting unit may be replaced by another component, and in the case of providing the guide groove 41, the supporting unit may be configured to slide along the guide groove 41 and be capable of being engaged with the engaging grooves 413 and 414. Of course, in the embodiment without the guide groove, for example, the support member is a plate-shaped structure, the top edge of the support member is a bevel edge, a locking groove is provided at the upper portion of the bevel edge, a locking groove is provided at the lower portion of the bevel edge, and the support unit is inserted into the locking groove located at the lower portion when the support plate 31 is in the locking position, and is inserted into the locking groove located at the upper portion when the support plate 31 is turned up.

For the convenience of operation, a concave 313 is further provided on the upper surface of the supporting plate 31, a handle 34 is provided in the concave 313, the handle 34 is hinged to the supporting plate 31, when the supporting seat 30 needs to be turned over, the handle 34 can be used to pull up the supporting seat 30, and in the non-operation state, the handle 34 can be accommodated in the concave 313 and will not protrude out of the upper surface of the supporting plate 31.

It should be emphasized here that the container underframe of the present invention may be provided with two through grooves 23 and two supporting seats 30, the two supporting seats 30 form a group to form a V-shaped supporting structure for preventing cylindrical goods, actually, a plurality of groups of supporting seats 30 may also be provided along the length direction of the container underframe, and a plurality of groups of through grooves 23 are correspondingly provided on the floor 20, in the above scheme, the two supporting seats 30 are symmetrically distributed on both sides of the longitudinal center line of the container underframe, for some box types with special requirements, the symmetry axes of the two supporting seats 30 are not necessarily coincident with the longitudinal center line of the container underframe, for example, when some steel coils with smaller diameter are transported, two groups of supporting seats 30 are correspondingly arranged in the width direction of the container; the container underframe shown in fig. 1 is suitable for a container with an open door at the end, when the two supporting seats 30 are turned up, the extending direction of the formed V-shaped supporting structure is consistent with the length direction of the container underframe, and a steel coil is placed on the V-shaped supporting structure from the end part of the container by using a forklift; when the container bottom frame of the present invention is applied to, for example, a side-door container or a side-curtain container, the supporting seats 30 may be extended in the width direction of the container bottom frame, that is, the symmetric axes of the two supporting seats 30 are identical to the width direction of the container bottom frame, so that when the supporting seats 30 are opened, the extending direction of the formed V-shaped supporting structure is identical to the width direction of the container bottom frame, and thus, a steel coil is placed on the V-shaped supporting structure from the side of the container.

The container comprises the container underframe, two side frames respectively positioned at two sides of the container underframe, two end walls respectively positioned at two ends of the container underframe, a box door arranged on one end wall, and a top cover sealed at the tops of the two side frames and the two end walls, wherein the top cover can be welded and fixed with the side frames and the end walls together or can be detachably fixed at the tops of the side frames and the end walls. When large-diameter cylindrical materials such as steel coils are transported, the supporting plate is turned to form a V-shaped supporting structure, and when the supporting plate is used as a common container, the supporting seat is turned, so that the supporting plate is contained in the through groove. Compared with the prior art, the container can be suitable for transporting large-diameter cylindrical goods and can be used as a common bulk container, the application range of the container is enlarged, the condition that the container is returned to be transported in an empty container is avoided, and the transportation cost is greatly saved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.