WO2021237938A1

WO2021237938A1 - Container chassis and container

Info

Publication number: WO2021237938A1
Application number: PCT/CN2020/107328
Authority: WO
Inventors: 吴志强; 张志伦; 吴潮栋; 钟伟军
Original assignee: 广东富华机械装备制造有限公司
Priority date: 2020-05-23
Filing date: 2020-08-06
Publication date: 2021-12-02
Also published as: CN113697313A

Abstract

A container chassis and a container having same. The container chassis comprises a plurality of bottom cross beams (10), a floor (20) and two support bases (30); a mounting gap (11) is formed between two adjacent bottom cross beams (10), two through grooves (23) are provided on the floor (20), and sides of the two through grooves (23) away from each other form outer support sides, respectively (211); support members (40) located in the mounting gaps (11) are fixedly connected to the bottom cross beams (10) or the floor (20), each of the support members (40) is provided with a first support portion and a second support portion, the height of the second support portion is higher than the height of the first support portion; each support base (30) comprises a support plate (31), a support base (33) and a mounting base (32), a support unit (321) is provided on the mounting base (32), the support unit (321) can swing between a first position on the first support portion and a second position on the second support portion; and when the support unit (321) is located at the first position, the support plate (32) is accommodated in the through groove (23), and when the support unit (321) is located at the second position, the support base (33) is supported on the outer support side (211) so as to provide the support plate (31) in an oblique manner. Said chassis increases the application range of containers, and reduces transportation costs.

Description

Container bottom frame and container

Technical field

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

Background technique

At this stage, large-diameter cylindrical goods such as steel coils and steel pipes are usually transported in containers to realize the multimodal transportation of such goods by sea and land. Specifically, a V-shaped support structure is set on the underframe of the container. The steel coil is placed on the supporting structure, and the two sides of the V-shaped supporting structure respectively support the two sides of the steel coil. In this way, the steel coil is fixed on the container bottom frame, because the existing V-shaped supporting structure is fixed on the bottom frame In the case of container trafficking, it can only be used to transport large-diameter cylindrical goods, so that the container cannot be used as an ordinary bulk container, so that the use of the container is greatly restricted, and empty containers may even be returned.

Summary of the invention

In view of the shortcomings of the prior art, one of the objectives of the present invention is to provide a container underframe, which can be suitable for the transportation of cylindrical goods and at the same time enable the container to transport other types of goods.

The second object of the present invention is to provide a container.

In order to achieve the first objective above, the present invention adopts the following technical solutions:

A container underframe includes a plurality of bottom beams, a floor, and two oppositely arranged support seats. The bottom beam extends along the width direction of the container underframe, and the plurality of bottom beams are arranged along the length direction of the container underframe. An installation gap is formed between the two bottom cross beams. The floor is laid on the bottom cross beam. Two oppositely arranged through grooves are opened on the floor. The sides of the two through grooves away from each other form external supporting edges; the bottom cross beam or the floor are fixed A support member located in the installation gap is connected. The support member is provided with a first support portion and a second support portion. The height of the second support portion is higher than the height of the first support portion; the two support seats correspond to the two through grooves respectively, In addition, the two supporting seats are arranged oppositely. The supporting seat includes a supporting plate, a supporting seat fixed below the supporting plate, and a mounting seat fixed below the supporting plate. Swing between the first position on the support part and the second position on the second support part. When the support unit is in the first position, the support plate is received in the through slot. When the support unit is in the second position, the support supports The supporting plates are arranged on the outer supporting edge so that the supporting plates are inclined, and the supporting plates on the two supporting seats together form a V-shaped supporting structure.

The support is provided with a guide slot, and the support unit is slidably embedded in the guide slot; the first support part is a first slot opened on the support, and the first slot is used when the support unit is in the first position Snap-fitting with the support unit, the second support portion is a second slot opened on the support, the second slot is used for snap-fitting with the support unit when the support unit is in the second position; the guide slot includes mutual engagement The first section and the second section, the first section extends upward from the first slot, and the second section extends from the top end of the first section obliquely downward to the second slot; the supporting unit is a through-hole in the guide slot Pin shaft.

The mounting seat includes two oppositely arranged supporting vertical plates, the two supporting vertical plates are respectively arranged on both sides of the supporting member, and the pin shaft is fixed between the bottom ends of the two supporting vertical plates.

The angle between the second section of the guide groove and the floor is a, where 45°≥a≥5°.

The sides on the floor where the two through grooves are close to each other respectively form inner supporting edges; when the supporting unit is in the first position, the supporting plate is accommodated in the through groove and its two sides are respectively overlapped on the inner and outer supporting edges.

A support beam is fixed on the floor on both sides of the trough. The support beam is fixed above the top surface of the bottom cross beam. The inner support side and the outer support side are respectively located on the two support beams. The upper surface of the support beam and the upper surface of the floor Flush.

One of the support beams is provided with a fixed vertical plate extending into the installation gap. The two ends of the fixed vertical plate are respectively fixedly connected to the bottom cross beams on both sides of the installation gap. A cover plate is fixed on the bottom of the bottom cross beam and the fixed vertical plate, The sealing plate is covered at the bottom of the installation gap, one end of the supporting member is fixed on the sealing plate, and the other end is fixed on the fixed vertical plate.

The thickness of the support plate is the same as that of the floor. When the support unit is in the first position, the upper surface of the support plate is flush with the upper surface of the floor.

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

In order to achieve the second objective above, the present invention adopts the following technical solutions:

A container comprising the above-mentioned container bottom frame, two side frames respectively located on both sides of the container bottom frame, two end walls respectively located at both ends of the container bottom frame, a box door installed on one of the end walls, and a cover The top cover on the top of the frame on both sides and the walls at both ends.

The beneficial effects of the present invention are:

Compared with the prior art, the present invention can not only be suitable for the transportation of large-diameter cylindrical goods, but also can be used as an ordinary bulk container, which increases the scope of application of the container, avoids the situation of empty containers being returned, and greatly Save transportation costs.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention;

Fig. 2 is a schematic diagram of the structure of the support seat in Fig. 1;

Figure 3 is a schematic diagram of a use state of the present invention;

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

Fig. 5 is a schematic diagram of the overturning process of the support base of the present invention;

Fig. 6 is another schematic diagram of the overturning process of the support base of the present invention;

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

Detailed ways

In the following, the present invention will be further described with reference to the drawings and specific implementations:

As shown in Figures 1, 2, 3, and 4, it is a container underframe of the present invention, which includes a plurality of bottom beams 10, a floor 20, and two oppositely arranged support seats 30. Extending in the width direction (ie Y direction in the figure), a plurality of bottom cross beams 10 are arranged along the length direction of the container underframe (ie X direction in the figure), and an installation is formed between two adjacent bottom cross beams 10 In the gap 11, the floor 20 is laid on a plurality of bottom cross beams 10. The floor 20 and the plurality of bottom cross beams 10 constitute the main part of the container underframe; on the floor 20, two through slots 23 are provided. The length direction is consistent with the X direction, and the two through grooves 23 are symmetrically distributed on both sides of the longitudinal center line of the floor 20, that is, the two through grooves 23 are arranged oppositely, and on the floor 20, there are The support beam 22 is provided with a support beam 21 on the floor 20 located on the outer side of the through slot 23. The support beam 22 and the support beam 21 both extend in the X direction and are fixed to the top surface of the bottom cross beam 10. The support beam 22 and the support The beams 21 are respectively provided with flanges facing the middle of the width direction of the through groove 23, and the two flanges respectively form a supporting edge, that is, a supporting edge is respectively provided on both sides of the through groove 23 on the floor 20, Among them, the supporting edge on the supporting beam 22 is an inner supporting edge 221, and the supporting edge on the supporting beam 21 is an outer supporting edge 211; a supporting member 40 is provided in the installation gap 11, and a first supporting member 40 is provided on the supporting member 40. The supporting member 40 can be directly or indirectly fixed on the floor 20 or the bottom beam 10; the two supporting seats 30 mentioned above correspond to the two through grooves 23 respectively, and the two supporting seats 30 are arranged opposite to each other. The support base 30 includes a support plate 31, a support base 33, and a mounting base 32. The support base 33 and the mounting base 32 are both fixed on the lower surface of the support plate 31. The support base 33 and the mounting base 32 can be two or more , Wherein the support 33 may be composed of more than two square tubes, the top ends of the two or more square tubes are welded and fixed on the lower surface of the support plate 31, and are located at different positions in the width direction of the support plate 31, and the bottom ends of the square tubes are welded Fixed together, a support end 331 is formed at the bottom end of the support 33, and the support end 331 can be matched with the outer support edge 211; a support unit is provided on the mounting base 32, and the support unit can be a pin shaft 321. The shaft 321 may be clamped on the first supporting part of the supporting member 40, or may be clamped on the second supporting part of the supporting member 40, wherein the height of the second supporting part is higher than that of the first supporting part. The height position of the pin shaft 321 as a supporting unit, which can swing between the first position placed on the first supporting portion and the second position placed on the second supporting portion, so that the supporting seat 30 on the container underframe Two placement states are formed on the upper part. When the pin 321 is in the first position placed on the first support part, the support plate 31 is received in the through groove 23, and the outer side 311 of the support plate 31 overlaps the outer support On the side 211, the inner side 312 of the support plate 31 overlaps On the inner support edge 221, the support 33 and the mounting seat 32 located below the support plate 31 are accommodated in the installation gap 11. Two or more supports 33 and the mounting seat 32 can be respectively placed in different installation gaps 11 , It can also be housed in the installation gap 11 directly opposite it according to the actual size; because the second support part is higher than the first support part, the pin 321 is swung from the first support part to the second support part. , The position of the pin shaft 321 is raised. As a result, when the above-mentioned pin shaft 321 is in the second position placed on the second support portion, the outer side 311 of the support plate 31 is too high to be higher than that of the floor 20 At the same time, the support end 331 of the bottom end of the support 33 is overlapped on the outer support edge 211. At this time, the support 30 is supported by the two positions on the container underframe (the outer support edge 211 and the second support member 40). The two support parts) support, so that when the support base 30 is not subjected to other external forces in this state, its position and angle can remain fixed. In this way, the support plate 31 on the support base 30 is inclined, and the two support bases 30 The upper support plates 31 together form a V-shaped support structure to meet the placement requirements of cylindrical goods.

When the pin shaft 321 is in the first position as shown in FIG. 7, the two sides of the support plate 31 are respectively overlapped on the inner support edge 221 and the outer support edge 211. At this time, when the container underframe carries goods, the support plate The pressure received by 31 is transmitted downward to the bottom cross beam 10 through the support beam 22 and the support beam 21. In other embodiments, the support beam 22 and the support beam 21 described above may not be provided. When the support plate 31 is in the state shown in FIG. 7, the top surface of the bottom cross beam 10 can be directly used to abut the support plate 31.

In a preferred embodiment, in the present invention, a guide groove 41 is provided on the support 40, and the above-mentioned pin shaft 321 is inserted into the guide groove 41. After the pin shaft 321 is embedded in the guide groove 41, the guide groove 41 can be extended. Sliding in the extending direction, the first support portion and the second support portion are respectively provided at both ends of the guide groove 41. Specifically, the first support portion is a card slot 414 opened on the support 40, and the second support portion is opened on the The card slot 413, the card slot 414 and the card slot 413 on the support 40 can be respectively matched with the pin shaft 321. When the pin shaft 321 is in the first position, the pin shaft 321 is clamped in the card slot 414, and the pin shaft 321 is in the second position. In the second position, the pin shaft 321 is locked in the slot 413. The guide groove 41 can be arranged in two sections, specifically including a first section 412 and a second section 411. The first section 412 extends upward from the slot 414, and the second section 411 is inclined toward the top of the first section 412. Extends downward to the card slot 413. The height of the card slot 413 is higher than the height of the card slot 414. When the pin shaft 321 slides from the card slot 414 to the guide slot 41 to the card slot 413, the support plate on the support seat 30 31 is completely accommodated in the through slot 23, turned over to the state of forming a V-shaped support structure as shown in Figures 3 and 4; Figures 4, 5, 6, and 7 show in sequence that the above-mentioned support plate 31 is composed of a V-shaped support structure. The state is turned over to a state where it is completely received in the through slot 23. In the state shown in FIG. 4, the support plate 31 is turned over to a tilted state higher than the upper surface of the floor 20. At this time, the pin 321 is placed in the slot 413, The support end 331 on the support 33 is supported by the outer support edge 211. Since the second section 411 of the guide groove 41 is arranged obliquely, and the clamping groove 413 is located at the relatively lower end of the second section 411, the second section 411 is used. The inclination angle of the section 411 prevents the pin shaft 321 from sliding along the second section 411, and supports each other through the support end 311 and the outer support edge 211 to avoid displacement of the pin shaft 321, thereby realizing the self-locking of the pin shaft 321; as shown in Figure 5 It is shown that when the state of the support base 30 needs to be changed, the support base 30 is lifted up by a small displacement, and the support base 30 is rotated to a small angle toward the inner side of the container chassis around the pin shaft 321. 321 has the freedom to move upward along the second section 411. At this time, continue to lift the support base 30 upwards to disengage the pin 321 from the slot 413 and slide along the second section 411. Figure 5 shows the support When the seat 30 is subjected to external force, the pin shaft 321 slides to the top of the second section 411 (that is, the position where the first section 412 is connected); as shown in FIG. 6, when the pin shaft 321 slides over the second section 411 At the top end, the pin shaft 321 slides into the first section 412. At this time, the external force on the support base 30 is released, and the pin shaft 321 can slide down the first section 412, that is, the support base 30 moves toward Finally, as shown in Fig. 7, the pin shaft 321 slides into the slot 414, the support base 30 turns over the angle while lowering the height in the installation gap 11, the support base 30 is completely in the installation gap 11, and the support plate 31 is completely Housed in the through slot 23, the outer side 311 of the support plate 31 is overlapped on the outer support side 211, and the inner side 312 is overlapped on the inner support side 221. The angle between the second section 411 of the guide groove 41 and the floor 20 is a, that is, the angle between the second section 411 of the guide groove 41 and the horizontal plane is a, preferably 45°≥a≥5°, In actual use, the included angle a is set to 23°, so that while the pin shaft 321 can realize self-locking, when the support base 30 is lifted from the state shown in FIG. 4 to the state shown in FIG. 5, it can save Save time and effort.

The above-mentioned pin 321 of the present invention is used as a supporting unit, which penetrates in the guide groove 41, which can prevent the supporting seat 30 from being completely separated from the container underframe, and at the same time, it can ensure that the supporting seat 30 is as shown in Fig. 4 with respect to the container underframe. The open state and the buckled state shown in Figure 7. In order to match the installation of the pin shaft 321, the mounting seat 32 may include two supporting vertical plates. The top end of the supporting vertical plate is fixed on the lower surface of the supporting plate 31, and the pin shaft 321 is fixed between the bottom ends of the two supporting vertical plates. Specifically, the pin shaft 321 may be a bolt that crosses the two supporting vertical plates, and is locked on the supporting vertical plate with a nut. During installation, the two supporting vertical plates are respectively placed on both sides of the supporting member 40, and after the pin shaft 321 passes through the two supporting vertical plates and the guide groove 41 in turn, it can be locked with a nut. It should be emphasized that in other embodiments, two card slots may be directly provided on the support member 40, and the two card slots are recesses provided at the edge of the support member 40, as long as they can be matched with the pin shaft 321. It is sufficient to position the pin shaft 321, and it is not necessary to consider whether the support base 30 is separated from the container bottom frame, and the pin shaft 321 can be supported in the state shown in FIGS. 4 and 7 respectively.

In the above-mentioned structure of the present invention, the supporting beam 21 and the supporting beam 22 are respectively arranged on the two sides of the through groove 23 on the floor 20. In fact, a supporting beam 22 may be provided at a position between the two through grooves 23, namely The supporting plate 31 on the supporting seat 30 shares the supporting beam 22. The cross-sectional shape of the supporting beam 22 is Ω, and the flanged portions protruding on both sides thereof form two inner supporting edges 221, so that two supporting plates 31 are provided respectively. The inner side 312 overlaps. In order to ensure that the upper surface of the container underframe has a better flatness, the above-mentioned support beam 21 and the support beam 22 are fixed above the top surface of the bottom cross beam 10, and the upper surface of the two is connected to the upper surface of the floor 20. At the same time, the thickness of the support plate 31 is the same as the thickness of the floor 20. When the pin 321 is locked in the slot 414 as shown in FIG. The upper surface of the board 31 is flush with the upper surface of the floor 20, so that the upper surface of the container underframe is flat as a whole, so that the container underframe can be suitable for the transportation of other types of goods. The support beam 21 and the support beam 22 are provided to provide support for the support seat 30. The support beam 21 and the support beam 22 are fixed to the bottom cross beam 10, which extends along the longitudinal direction of the container bottom frame, and can also increase the strength of the container bottom frame. The structure with supporting beam 21 and supporting beam 22 is suitable for the container underframe where the floor 20 is wooden floor or bamboo-wood composite floor. When the floor 20 is steel floor or other materials with better strength, the above-mentioned support can also be omitted. The beam 21 and the supporting beam 22 directly bend the floor 20 at the two sides of the through groove 23 downwards and turn it over to form an inner supporting side 221 and an outer supporting side 211.

A fixed vertical plate 212 extending downward is provided on the supporting beam 21. The fixed vertical plate 212 extends from the side of the supporting beam 21 close to the through slot 23 down to the installation gap 11, and the two ends of the fixed vertical plate 212 are respectively fixedly connected On the bottom cross beam 10 located on both sides of the installation gap 11, a sealing plate 12 covering the installation gap 11 is fixed at the bottom of the bottom cross beam 10 and the fixed vertical plate 212. The sealing plate 12 composes the fixed vertical plate 212 and the bottom cross beam 10 The frame cover is closed, that is, the position of the bottom of the container chassis corresponding to the through slot 23 is covered by the sealing plate 12. One end of the above-mentioned support 40 is welded and fixed to the sealing plate 12, and the other end is welded and fixed to the fixed stand板212上。 Board 212. In other embodiments, the support 40 can also be fixed to the floor 20, or the support 40 can be directly fixed to the bottom cross beam 10, or one of the bottom cross beams 10 is located below the through slot 23. As a support, the above-mentioned guide groove is provided on the bottom cross beam 10 so that the pin shaft 321 crosses the guide groove provided on the bottom cross beam 10.

It should be pointed out that the pin shaft 321 as the supporting unit can also be replaced with other components. In the case where the guide groove 41 is provided, the supporting unit only needs to be able to slide along the guide groove 41 and be able to be clamped in the card slot 413 and the card slot. 414 can be. Of course, in the embodiment where the guide groove is not provided, if the support is a plate-like structure, the top edge of which is an oblique edge, a card slot is provided in the higher part of the oblique side, and a card is provided in the lower part. The support unit is embedded in the lower slot when the support plate 31 is in the buckling position, and is embedded in the higher slot when the support plate 31 is turned up.

In order to facilitate the operation, a recess 313 recessed downward is provided on the upper surface of the support plate 31. A handle 34 is provided in the recess 313. The handle 34 is hinged on the support plate 31. When the support seat 30 needs to be turned over. At this time, the handle 34 can be used to pull up the support base 30. In the non-operating state, the handle 34 can be housed in the recess 313 without protruding from the upper surface of the support plate 31.

It should be emphasized here that the container underframe of the present invention can be provided with two through slots 23 and two support seats 30. The two support seats 30 form a group to form a V-shaped support structure for preventing cylindrical goods. Above, it is also possible to arrange multiple sets of support seats 30 along the length of the container underframe, and set multiple sets of through slots 23 on the floor 20. In the above solution, the two support seats 30 are symmetrically distributed in the longitudinal direction of the container underframe. On both sides of the center line, for some box types with special requirements, the symmetry axis of the two support seats 30 does not necessarily coincide with the longitudinal center line of the container chassis. For example, when transporting some steel coils with a smaller diameter, the If two steel coils are arranged in the same direction, correspondingly, two sets of support seats 30 are arranged in the width direction of the container; The extension direction of the V-shaped support structure is the same as the length of the container bottom frame. A forklift is used to place the steel coils on the V-shaped support structure from the end of the container; In the case of a container, the support base 30 can be extended along the width direction of the container underframe, that is, the symmetry axis of the two support bases 30 is consistent with the width direction of the container underframe, so that when the support base 30 is turned over, a V-shaped support structure is formed The extension direction of the container is consistent with the width direction of the container bottom frame. In this way, the steel coil is placed on the V-shaped supporting structure from the side of the container.

The container of the present invention includes the above-mentioned container bottom frame, two side frames respectively located on both sides of the container bottom frame, two end walls respectively located at both ends of the container bottom frame, a box door installed on one of the end walls, and a cover On the top cover on the top of the side frame and the wall at both ends, the top cover can be welded and fixed to the side frame and the end wall, or can be fixed on the top of the side frame and the end wall in a detachable manner. When transporting large-diameter cylindrical materials such as steel coils, the support plate is turned over to form a V-shaped support structure. When used as a common container, the support seat is turned over so that the support plate can be accommodated in the trough. Compared with the prior art, the present invention can not only be suitable for the transportation of large-diameter cylindrical goods, but also can be used as an ordinary bulk container, which increases the scope of application of the container, avoids the situation of empty containers being returned, and greatly Save transportation costs.

The above embodiments are only used to illustrate the technical solutions of the present invention, not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still compare the previous embodiments. The recorded technical solutions are modified, or some of the technical features are equivalently replaced, and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

A container underframe, which is characterized in that it comprises a plurality of bottom beams, a floor, and two oppositely arranged support seats. The bottom beam extends along the width direction of the container underframe, and the multiple bottom beams are arranged along the length direction of the container underframe. , An installation gap is formed between two adjacent bottom cross beams, the floor is laid on the bottom cross beam, two oppositely arranged through grooves are opened on the floor, and the sides of the two through grooves far away from each other form external support edges; bottom cross beam Or a support located in the installation gap is fixedly connected to the floor, a first support part and a second support part are arranged on the support part, and the height of the second support part is higher than the height of the first support part; The through grooves correspond, and the two supporting seats are arranged oppositely. The supporting seat includes a supporting plate, a supporting seat fixed below the supporting plate, and a mounting seat fixed below the supporting plate. The mounting seat is provided with a supporting unit which can be placed in Swing between the first position on the first support part and the second position on the second support part, when the support unit is in the first position, the support plate is received in the through groove, and when the support unit is in the second position , The support is supported on the outer support edge so that the support plate is arranged obliquely, and the support plates on the two support seats together form a V-shaped support structure.
The container underframe according to claim 1, wherein a guide groove is provided on the support member, and the support unit is slidably embedded in the guide groove; the first support part is a first card slot opened on the support member, The first slot is used for snap-fitting with the support unit when the support unit is in the first position, the second support portion is a second slot opened on the support, and the second slot is used for when the support unit is in the first position. In the second position, the guide groove includes a first section and a second section that are connected to each other. The first section extends upward from the first card groove, and the second section extends obliquely downward from the top end of the first section. The second card slot; the supporting unit is a pin shaft passing through the guide slot.
The container underframe according to claim 2, wherein the mounting seat includes two oppositely arranged supporting vertical plates, the two supporting vertical plates are respectively placed on both sides of the supporting member, and the pin is fixed on the bottom of the two supporting vertical plates. Between the ends.
The container underframe according to claim 2, wherein the angle between the second section of the guide groove and the floor is a, where 45°≥a≥5°.
The container underframe according to claim 1, wherein the sides of the two through grooves on the floor that are close to each other respectively form inner supporting edges; when the supporting unit is in the first position, the supporting plate is received in the through groove and the two The sides are respectively overlapped on the inner supporting edge and the outer supporting edge.
The container underframe according to claim 5, wherein a support beam is fixed on the floor at both sides of the through slot, and the support beam is fixed above the top surface of the bottom cross beam, and the inner support edge and the outer support edge are respectively located at On the two supporting beams, the upper surface of the supporting beam is flush with the upper surface of the floor.
The container underframe according to claim 6, wherein one of the supporting beams is provided with a fixed vertical plate extending into the installation gap, and two ends of the fixed vertical plate are respectively fixedly connected to the bottom cross beams on both sides of the installation gap , A sealing plate is fixed at the bottom of the bottom beam and the fixed vertical plate, the sealing plate is covered at the bottom of the installation gap, one end of the support is fixed on the sealing plate, and the other end is fixed on the fixed vertical plate.
The container underframe according to claim 1, wherein the thickness of the supporting plate is the same as that of the floor, and when the supporting unit is in the first position, the upper surface of the supporting plate is flush with the upper surface of the floor.
The container underframe according to claim 1, wherein the upper surface of the support plate is provided with a recess recessed downward, and a handle is hinged in the recess.
A container, characterized by comprising the container underframe according to any one of claims 1-9, two side frames respectively located on both sides of the container underframe, two end walls respectively located on both ends of the container underframe, A box door installed on one of the end walls, and a top cover sealed on the tops of the side frames and the end walls.