CN113120446A

CN113120446A - Tank container

Info

Publication number: CN113120446A
Application number: CN201911415343.3A
Authority: CN
Inventors: 申凡晶; 朱红军; 陆钧成; 陈晓春; 李琅; 李秀丽; 孟庆国
Original assignee: Zhongji An Ruihuan Technology Co ltd
Current assignee: Zhongji An Ruihuan Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-07-16

Abstract

The invention provides a tank container, which comprises a tank body and end frames for respectively supporting two ends of the tank body, wherein the end part of the tank body outwards exceeds the end frames; the end frame comprises corner posts, end lower beams, bottom corner pieces and a lower connecting assembly. The lower connecting component is arranged close to the bottom of the tank body and comprises a connecting plate and a sealing plate. The connecting plates are arranged in pairs, and the closing plates are connected between the outer edges of the two connecting plates. In the lower part coupling assembling of end frame, the crooked setting of extension and changeover portion in the connecting plate outside edge, make the shrouding form the arc structure, and realize being connected through circular arc transition and end underbeam in its bottom, combine this shrouding in the junction of extension and the equidistant width of interval between the jar body, so that lower part coupling assembling cooperation corner post, end underbeam when supporting the jar body steadily, can also reduce the condition of stress concentration between connecting plate and the jar body, in order to disperse stress to end underbeam better, thereby guarantee tank container overall structure's stability effectively.

Description

Tank container

Technical Field

The invention relates to the technical field of storage and transportation equipment, in particular to a tank container.

Background

The tank container has the advantages of multifunction, high efficiency and the like, and is widely applied in the logistics industry. A tank container is generally composed of a tank body and a frame, and generally, the frame includes end frames disposed in front and rear. The two ends of the tank body usually extend outwards beyond the end frames arranged in the front and back, and the end frames support the tank body. However, in the actual transportation process, stress concentration easily occurs at the contact position of the end frame and the tank body, which affects the stability of the overall structure of the tank container, so that the safety of the cargo transportation process cannot be ensured.

Disclosure of Invention

The invention aims to solve the technical problem that in the tank container in the prior art, stress concentration is easily generated at the contact part of an end frame and a tank body, the stability of the overall structure of the tank container is influenced, and the safety of goods in the transportation process cannot be ensured.

In order to solve the technical problem, the invention provides a tank container, which comprises a tank body and end frames for respectively supporting two ends of the tank body, wherein the end part of the tank body outwards exceeds the end frames; the end frame comprises corner columns, end lower beams, bottom corner pieces and lower connecting assemblies, and the corner columns are arranged in pairs; the lower end beam is connected between the bottom ends of the two corner columns, the bottom corner pieces are arranged in pairs, and the two bottom corner pieces are respectively arranged at the two ends of the lower end beam so as to be connected with the bottom ends of the two corner columns; the lower connecting assembly is arranged close to the bottom of the tank body and comprises connecting plates and sealing plates, the connecting plates are arranged in pairs, and the two connecting plates are parallel and oppositely arranged; the top of the connecting plate is fixed with the corner post, and the bottom of the connecting plate is fixed with the lower end beam; the inner side edge of the connecting plate is fixed with the outer wall of the tank body, and the outer side edge of the connecting plate comprises a fixed section, an extension section and a transition section which are sequentially connected from the top to the bottom; the fixed section is connected with the corner post, and the extending section is in an outward arched arc shape towards the direction far away from the tank body; the transition section is arc-shaped and is opposite to the bending direction of the extension section, and the bottom end of the transition section is fixed with the top of the lower end beam; the closing plate is connected between the outer side edges of the two connecting plates; the top end of the sealing plate is fixed with the corner post, and the bottom end of the sealing plate extends to the end lower beam; the sealing plate is bent along with the extension section and the transition section, and the part of the sealing plate connected with the extension section is equally spaced from the top to the bottom of the tank body.

Optionally, the extension and the transition section are counter-tangent at the junction and smoothly transition.

Optionally, the difference between the radius of the extension and the radius of the cross section of the tank is 50mm to 200 mm.

Optionally, the radius of the transition section is 30mm-150 mm.

Optionally, the outer side edge of the connecting plate further includes a connecting section, and the connecting section is formed by extending the bottom end of the extending section to the bottom of the end lower beam; the connecting section is arranged on the outer side wall of the end lower beam, so that the bottom part of the connecting plate is attached and fixed to the outer side wall of the end lower beam.

Optionally, the connecting section is arc-shaped, and the bending direction of the connecting section is opposite to that of the transition section, so as to form an S-shaped structure with the transition section.

Optionally, the fixing section is L-shaped, and the fixing section is bent towards a direction close to the tank body; the fixing section is arranged on the outer side wall of the corner post, so that the top part of the connecting plate is attached and fixed to the outer side wall of the corner post.

Optionally, the inner edge of the web is curved to conform to the arcuate outer wall of the can.

Optionally, the connecting plate includes a first connecting sub-plate and a second connecting sub-plate, a bottom end of the first connecting sub-plate is connected with a top end of the second connecting sub-plate, and inner side edges of the first connecting sub-plate and the second connecting sub-plate are fixed to an outer wall of the tank body; the outer side edge of the first connecting sub-plate comprises the fixed section and the arc-shaped first section which are sequentially connected from top to bottom, and the outer side edge of the second connecting sub-plate comprises the arc-shaped second section and the transition section which are sequentially connected from top to bottom; the first section and the second section are connected to form the extension section.

Optionally, the first connecting sub-plate and the second connecting sub-plate are integrally formed as the connecting plate.

Optionally, the lower connecting assembly further comprises a first reinforcing box fixed on the corner post and located between the two connecting plates; the top end of the sealing plate is fixed with the corner post through the first reinforcing box, and the outer side edge part of the top of the connecting plate is fixed with the first reinforcing box.

Optionally, each end frame includes two sets of lower coupling assembling, two sets of lower coupling assembling sets up respectively the both sides of jar body bottom.

Optionally, the ends of the connecting plates in the two sets of lower connecting assemblies located at the bottom of the tank body abut.

Optionally, the bottom of each of the two ends of the end lower beam is provided with an avoiding groove, and the depth of each avoiding groove is smaller than the height of the end lower beam.

Optionally, the cross-sectional profile of the inner wall of the avoidance groove includes a first connection section and a second connection section connected to the first connection section in a bent manner, an end of the first connection section is fixed to the bottom corner fitting, and the first connection section and the second connection section are in arc transition.

Optionally, each end frame further includes a pair of second reinforcing boxes, the two second reinforcing boxes are respectively disposed at the joints between the two corner posts and the two ends of the end bottom beam, and the second reinforcing boxes are correspondingly disposed above the avoidance groove.

Optionally, the outer contour of the second reinforcing box is a right triangle, and two right-angle sides of the second reinforcing box are fixed to the end lower beam and the corner post respectively.

Optionally, the hypotenuse of the outer contour of the second reinforcement box is curved.

Optionally, the outer side of the corner post is disposed inboard of or flush with the outer end face of the bottom corner piece.

Optionally, the outer side of the corner post extends outwardly beyond the outer end face of the bottom corner piece.

According to the technical scheme, the beneficial effects of the invention are as follows:

in the lower connecting component of the end frame, the extension section and the transition section in the outer edge of the connecting plate are arranged in a bending way, so that the sealing plate forms an arc-shaped structure, the bottom end of the sealing plate is connected with the end underbeam through arc transition, and the distance between the connecting part of the extension section and the tank body is equal in width by combining the sealing plate, so that the lower connecting component is matched with the corner posts and the end underbeam to stably support the tank body, and simultaneously, the condition of stress concentration between the connecting plate and the tank body can be reduced, so that the stress is better dispersed to the end underbeam, and the stability of the overall structure of the tank container is effectively ensured.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the tank container of the present invention;

FIG. 2 is a cross-sectional view of the inner end of the tank container shown in FIG. 1;

FIG. 3 is a schematic view of the construction of the lower connection assembly in the tank container shown in FIG. 2;

FIG. 4 is a cross-sectional view of an end of another embodiment of the tank container shown in FIG. 1;

fig. 5 is a sectional view of another embodiment of the inner end of the tank container shown in fig. 1.

The reference numerals are explained below: 100. a tank container; 10. a tank body; 20. an end frame; 21. corner posts; 22. an end lower beam; 221. avoiding the groove; 222. a fixing plate; 23. a bottom corner fitting; 24. a lower connection assembly; 241. a connecting plate; 241a, a first connection sub-plate; 241b, a second connecting sub-plate; 2411. a fixed section; 2412. an extension section; 2413. a transition section; 2414. a connecting section; 2415. a first segment; 2416. a second section; 242. closing the plate; 243. a first reinforcing box; 25. a second reinforcement box; 26. end upper beam; 27. a corner fitting.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.

Referring to fig. 1 to 3, an embodiment of the present application provides a tank container 100 including a tank body 10 and end frames 20 respectively supporting both ends of the tank body 10, the ends of the tank body 10 extending outward beyond the end frames 20. In this embodiment, the end frame 20 includes corner posts 21, end sills 22, bottom corners 23, and lower attachment assemblies 24.

Wherein the corner posts 21 are arranged in pairs. The two corner posts 21 are substantially parallel, it being understood that the two corner posts 21 may also be disposed at an angle. The end sill 22 is connected between the bottom ends of the two corner posts 21. The floor corner pieces 23 are provided in pairs, and the two floor corner pieces 23 are provided at both ends of the end sill 22, respectively, to be connected with the two corner posts 21.

A lower connecting member 24 is provided adjacent to the bottom of the can body 10, the lower connecting member 24 including a connecting plate 241 and a closure plate 242. It will be understood that the tank container 100 includes a connection assembly provided at an upper middle portion of the tank body 10, in addition to the lower connection assembly 24, for accomplishing the connection fixation of the upper structure of the tank body 10.

Specifically, the connection plates 241 are provided in pairs, and the two connection plates 241 are arranged in parallel and opposite to each other. The top of the connecting plate 241 is fixed to the corner post 21, and the bottom of the connecting plate 241 is fixed to the end sill 22. The inner edge of the connecting plate 241 is fixed to the outer wall of the tank 10, and the outer edge of the connecting plate 241 comprises a fixed section 2411, an extending section 2412 and a transition section 2413 which are connected in sequence from top to bottom. The fixed section 2411 is connected to the corner post 21, and the extending section 2412 is arched outward in a direction away from the tank 10. The transition section 2413 is arc-shaped and has a bottom end opposite to the bending direction of the extension section 2412, and the bottom end of the transition section 2413 is fixed to the top of the end sill 22.

The sealing plate 242 is connected between the outer edges of the two connecting plates 241, the top end of the sealing plate 242 is fixed to the corner post 21, and the bottom end of the sealing plate 242 extends to the end sill 22. The cover plate 242 is curved in conformity with the extension 2412 and the transition 2413, and the portion of the cover plate 242 connected to the extension 2412 is equally spaced from the top to the bottom of the can body 10.

In this embodiment, the extension section 2412 and the transition section 2413 in the outer edge of the connecting plate 241 are arranged in a bending manner, so that the sealing plate 242 forms an arc-shaped structure and is connected with the end underbeam 22 at the bottom end thereof through an arc transition, and in combination with the equal width of the distance between the connection position of the sealing plate 242 at the extension section 2412 and the tank body 10, the lower connecting assembly 24 can stably support the tank body 10 in combination with the corner posts 21 and the end underbeam 22, and at the same time, the situation of stress concentration between the connecting plate 241 and the tank body 10 can be reduced, so that the stress is dispersed to the end underbeam 22, and the stability of the overall structure of the tank container 100 is effectively ensured.

The extension 2412 and the transition 2413 of this embodiment are counter-tangent at the junction and transition smoothly. This arrangement ensures smoothness of the outer edge of the attachment plate 241 and ensures that the attachment plate 241 cooperates with the closure plate 242 to reduce the support stress at the junction of the can body 10 and to ensure that the end frame 20 effectively supports the can body 10.

In this embodiment, the difference between the radius of the extension 2412 and the radius of the cross section of the can body 10 is 50mm to 200mm, and the radius of the transition 2413 is 30mm to 150 mm. This arrangement not only ensures that the distance between the sealing plate 242 and the tank 10 at the joint of the extension 2412 is equal, but also better distributes the stress applied to the lower connecting member 24 to the end-to-end beam 22, thereby ensuring the stability of the overall structure of the tank container 100.

In this embodiment, the fixing section 2411 has an L shape, and the fixing section 2411 is bent toward the can body 10. The fixing section 2411 is disposed on the outer side wall of the corner post 21 so that the top portion of the connecting plate 241 is fit and fixed on the outer side wall of the corner post 21. The arrangement can ensure the connection strength of the connecting plate 241 and the corner post 21 and ensure the connection stability between the connecting plate 241 and the corner post 21, thereby realizing the stability of the whole structure of the end frame 20.

In addition, the inner edge of the connecting plate 241 of the present embodiment is bent to conform to the arc-shaped outer wall of the can body 10, so that the connecting plate 241 can be stably fixed to the outer wall of the can body 10, and the stability of the connection between the connecting plate 241 and the can body 10 is ensured, thereby ensuring that the end frame 20 can stably support the can body 10.

Further, the outer edge of the connecting plate 241 further includes a connecting section 2414, and the connecting section 2414 is formed by extending the bottom end of the extending section 2412 to the bottom of the end lower beam 22. The connection section 2414 is provided on the outer side wall of the end sill 22 so that the bottom portion of the connection plate 241 abuts the outer side wall of the fixed end sill 22.

The bottom of the connecting plate 241 is attached to and fixed on the outer side wall of the end underbeam 22, so that the connecting area between the connecting plate 241 and the end underbeam 22 is increased, the connecting strength between the connecting plate 241 and the end underbeam 22 is ensured, the stress borne by the lower connecting assembly 24 can be better dispersed to the end underbeam 22, and the end frame 20 is ensured to stably support the tank body 10.

In this embodiment, the connecting section 2414 is arcuate. The connecting section 2414 is bent in a direction opposite to the bending direction of the transition section 2413 to form an S-shaped structure with the transition section 2413.

Due to the arrangement, the connecting plate 241 can realize arc transition with the end underbeam 22 through the transition section 2413, and can be connected with the end underbeam 22 through the connecting section 2414 with opposite bending directions, so that the contact area between the connecting plate 241 and the end underbeam 22 can be increased while stress concentration is reduced, stress borne by the connecting plate 241 is transferred to the end underbeam 22, and the stability of the integral structure of the tank container 100 is ensured.

Further, the connecting plate 241 of the present embodiment includes a first connecting sub-plate 241a and a second connecting sub-plate 241 b. The bottom end of the first connecting sub-plate 241a is connected to the top end of the second connecting sub-plate 241b, and the inner side edges of the first connecting sub-plate 241a and the second connecting sub-plate 241b are fixed to the outer wall of the can body 10.

The first connecting sub-plate 241a has a top portion and a bottom portion, and includes a fixing section 2411 and a first section 2415, which are sequentially connected, wherein the first section 2415 is arc-shaped. The outer edge of the second connecting sub-plate 241b comprises a second section 2416, a transition section 2413 and a connecting section 2414 which are connected in sequence from top to bottom, wherein the second section 2416 is arc-shaped.

In this embodiment, the first segment 2415 is connected to the second segment 2416 to form an extension 2412 of the connecting plate 241. The connecting plate 241 is divided into the first connecting sub-plate 241a and the second connecting sub-plate 241b, so that the connecting plate 241 with a special shape can be manufactured separately, and the smoothness of the two side edges of the connecting plate 241 can be ensured.

In addition, the first connecting sub-plate 241a and the second connecting sub-plate 241b may be integrally formed as the connecting plate 241 to ensure the overall structural strength of the connecting plate 241, ensure that the connecting plate 241 and the closing plate 242 effectively support the tank body 10, and thus ensure the stability of the overall structure of the tank container 100.

Further, the lower connection assembly 24 of the present embodiment further includes a first reinforcement case 243. The first reinforcement box 243 is fixed to the inside of the corner post 21 and is located between the two connection plates 241.

In this embodiment, the outer contour of the first reinforcing box 243 is a right triangle, and one of the right-angled sides of the first reinforcing box 243 is fixed on the corner post 21, so that the first reinforcing box 243 is connected and fixed with the corner post 21. The top end of the sealing plate 242 is connected to the bottom of the first reinforcing box 243 to be fixed to the corner post 21 by the first reinforcing box 243. Meanwhile, the top outside edge portion of the connecting plate 241 is fixed to the first reinforcing box 243, that is, the bent segment of the fixing segment 2411 is fixed to the first reinforcing box 243, so that the stability of the connecting plate 241 and the sealing plate 242 at the joint of the corner post 21 is improved by the arrangement of the first reinforcing box 243.

The top end of the sealing plate 242 is fixed to the corner post 21 by a first reinforcing box 243, and the bottom end thereof extends to the end sill 22. The middle portion of the sealing plate 242 is bent to conform to the extending section 2412 and the transition section 2413 of the connecting plate 241, so that the sealing plate 242 and the connecting plates 241 on two sides thereof enclose a structure similar to a channel steel, the lower connecting assembly 24 can effectively support the tank 10 under the combined action, and the stability of the overall structure of the tank container 100 is ensured.

Further, each end frame 20 of the present embodiment includes two sets of lower attachment assemblies 24, i.e., the tank container 100 includes four sets of lower attachment assemblies 24. The four sets of lower connecting members 24 work together to effectively support the can body 10 at its bottom at both ends of the can body 10.

In each end frame 20, two sets of lower connecting members 24 are respectively disposed on both sides of the bottom of the can body 10. Two sets of lower connecting assemblies 24 are respectively arranged on two sides of the bottom of the tank body 10 to support the end of the tank body 10 by the lower end beam 22 and the corner post 21, so as to ensure the structural stability of the tank body 10.

In this embodiment, the ends of the portions of the two sets of lower connecting members 24 at the bottom of the can body 10 at the web 241 abut in each end frame 20. This arrangement allows the two opposing connecting plates 241 of the two sets of lower connecting members 24 to be connected into a unitary structure, which provides the two sets of lower connecting members 24 with greater structural strength, thereby ensuring the end frames 20 to stably support the ends of the tank 10.

Further, the bottom of the two ends of the end lower beam 22 of the present embodiment is provided with an avoiding groove 221. The escape slot 221 is used to escape the fixing lock on the frame so that the end sill 22 is damaged by collision when the tank container 100 is placed on the frame.

In the present embodiment, the depth of the escape groove 221 is smaller than the height of the end sill 22. This arrangement makes it possible to increase the structural strength of the entire end sill 22 and the escape groove 221 by not completely cutting the end sill 22 at the escape groove 221. In this embodiment, the height of the end sill 22 is 100mm, and the depth of the escape groove 221 is 80 mm.

The sectional profile of the escape groove 221 of the present embodiment includes a first connection section 2414 and a second connection section 2414. The end of the first connection section 2414 is fixed to the bottom corner fitting 23, so that a space of an approximately right trapezoid is defined between the avoiding groove 221 and the bottom corner fitting 23.

The first connecting section 2414 is connected with the second connecting section 2414 in a bending manner, and an included angle between the first connecting section 2414 and the second connecting section 2414 is an obtuse angle. The first connection section 2414 and the second connection section 2414 are in arc transition, so that the stress concentration at the position of the avoidance groove 221 can be reduced while the structural strength of the end underbeam 22 and the avoidance groove 221 is ensured.

The end sill 22 of this embodiment further includes a fixing plate 222, and the fixing plate 222 is closed at the avoiding groove 221 to ensure structural rigidity of the end sill 22 at the avoiding groove 221. The fixing plate 222 is bent, and the fixing plate 222 forms an arc transition at the connection position of the first connection section 2414 and the second connection section 2414.

Further, each end frame 20 of the present embodiment further includes a pair of second reinforcing boxes 25, and the two second reinforcing boxes 25 are respectively disposed at the connection portions of the two corner posts 21 and the two ends of the end sill 22. The second reinforcing box 25 is correspondingly disposed above the avoiding groove 221 to reinforce the strength of the end sill 22 at the avoiding groove 221.

In the present embodiment, the outer contour of the second reinforcing box 25 is a right triangle. Two right-angle sides of this second enhancement box 25 are fixed with end underbeam 22 and corner post 21 respectively, not only can guarantee that the second strengthens box 25 and end underbeam 22 and corner post 21's joint strength, still can strengthen the second and strengthen the enhancement of box 25 to the groove 221 department intensity of avoiding of end underbeam 22 to guarantee the stability of end frame 20 and whole tank container 100 structure.

As shown in fig. 4, the oblique side of the outer contour of the second reinforcing box 25 may be provided in an arc shape. The arc edge is in a concave arc structure towards the direction far away from the tank body 10, so that the arrangement space inside the end frame 20 of the tank container 100 can be saved, and the arrangement of matched equipment is convenient.

Referring to fig. 1 and 2, the end frame 20 of the present embodiment further includes an end upper rail 26 and a pair of corner pieces 27. Wherein the end upper beam 26 is connected between the top ends of the two corner posts 21. Two corner pieces 27 are provided at both ends of the end upper beam 26, respectively, to be connected to the top ends of the two corner posts 21.

In the present embodiment, the outer side of the corner post 21 is disposed inside the outer end face of the bottom corner piece 23 or flush with the outer end face of the bottom corner piece 23. It will be understood that the bottom end of the corner post 21 is connected to the bottom corner piece 23, and the outer side surface of the corner post 21 may be located inside the outer end surface of the bottom corner piece 23 or flush with the outer end surface of the bottom corner piece 23.

Specifically, within a standard tolerance range, the distance W1 between the outer end faces of the two bottom corner pieces 23 is 2550mm for any one of the end bells 20; the distance W3 between the outer sides of the two corner posts 21, i.e., the width of the tank container 100 is 2550 mm; the distance W2 between the outer end faces of the two corner pieces 27 is 2438 mm. In this embodiment, the height of the tank container 100 may be designed to be more than 2438mm according to actual requirements.

Further, as shown in fig. 5, the outer side of the corner post 21 of the present embodiment may also be arranged to extend outwardly beyond the outer end faces of the bottom corner pieces 23, i.e., the distance W3 between the outer side faces of the two corner posts 21 is greater than the distance W1 between the outer end faces of the two bottom corner pieces 23. In practical structure, the part of the bottom end of the corner post 21 beyond the bottom corner piece 23 can be processed by chamfering, and the reinforcing plate is blocked on the chamfer surface of the bottom end of the corner post 21.

Specifically, the distance W1 between the outer end faces of the two corner pieces 23 is 2438mm for any one of the end bells 20 within a standard tolerance range; the distance W3 between the outer sides of the two corner posts 21, i.e., the width of the tank container 100 is 2550 mm; the distance W2 between the outer end faces of the two corner pieces 27 is 2438 mm.

It will be appreciated that the following arrangements are also possible: within standard tolerances, the distance W1 between the outer end faces of the two corner pieces 23 is 2438mm for any one end bell 20; the distance W3 between the outer sides of the two corner posts 21, i.e. the width of the tank container 100, is 2600 mm; the distance W2 between the outer end faces of the two corner pieces 27 is 2438 mm.

Within standard tolerances, the distance W1 between the outer end faces of the two corner pieces 23 is 2550mm for any one end bell 20; the distance W3 between the outer sides of the two corner posts 21, i.e. the width of the tank container 100, is 2600 mm; the distance W2 between the outer end faces of the two corner pieces 27 is 2438 mm.

In the embodiments described above, the tank container 100 may be a SWAP BODY tank container, which is a large-capacity, ultra-high and ultra-wide tank, and can realize a capacity of a total weight of 39T. It is understood that the tank container 100 may be other types of tanks, which are not listed here.

To the tank container of this embodiment, in the lower part coupling assembling of end frame, the crooked setting of extension and changeover portion in the connecting plate outside edge, make the shrouding form the arc structure, and realize being connected through circular arc transition and end underbeam in its bottom, combine this shrouding in the junction of extension and the equidistant width of interval between the jar body, so that lower part coupling assembling cooperation corner post, when end underbeam supports the jar body steadily, can also reduce the condition of stress concentration between connecting plate and the jar body, in order to disperse stress to end underbeam better, thereby guarantee tank container overall structure's stability effectively.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. The tank container is characterized by comprising a tank body and end frames which respectively support two ends of the tank body, wherein the end part of the tank body outwards exceeds the end frames;

the end frame includes:

corner posts arranged in pairs;

the lower end beam is connected between the bottom ends of the two corner columns;

bottom corner fittings arranged in pairs; the two bottom corner pieces are respectively arranged at two ends of the end lower beam and connected with the bottom ends of the two corner columns; and

lower coupling assembling is close to the bottom setting of the jar body, lower coupling assembling includes:

the connecting plates are arranged in pairs, and the two connecting plates are parallel and oppositely arranged; the top of the connecting plate is fixed with the corner post, and the bottom of the connecting plate is fixed with the lower end beam; the inner side edge of the connecting plate is fixed with the outer wall of the tank body, and the outer side edge of the connecting plate comprises a fixed section, an extension section and a transition section which are sequentially connected from the top to the bottom; the fixed section is connected with the corner post, and the extending section is in an outward arched arc shape towards the direction far away from the tank body; the transition section is arc-shaped and is opposite to the bending direction of the extension section, and the bottom end of the transition section is fixed with the top of the lower end beam;

the closing plate is connected between the outer edges of the two connecting plates; the top end of the sealing plate is fixed with the corner post, and the bottom end of the sealing plate extends to the end lower beam; the sealing plate is bent along with the extension section and the transition section, and the part of the sealing plate connected with the extension section is equally spaced from the top to the bottom of the tank body.

2. A tank container as claimed in claim 1, wherein the extension section and the transition section are counter-tangential and smoothly transitioning at a junction.

3. A tank container according to claim 1, characterised in that the difference between the radius of the extension section and the radius of the cross-section of the tank is 50-200 mm.

4. A tank container according to claim 1, characterised in that the radius of the transition section is 30-150 mm.

5. The tank container according to claim 1, wherein the outer side edge of the connection plate further includes a connection section extending from a bottom end of the extension section to a bottom of the end sill; the connecting section is arranged on the outer side wall of the end lower beam, so that the bottom part of the connecting plate is attached and fixed to the outer side wall of the end lower beam.

6. A tank container according to claim 5, wherein the connecting section is curved in a direction opposite to the bending direction of the transition section to form an S-shaped structure with the transition section.

7. The tank container according to claim 1, wherein the fixing section is L-shaped, the fixing section being bent toward a direction close to the tank body; the fixing section is arranged on the outer side wall of the corner post, so that the top part of the connecting plate is attached and fixed to the outer side wall of the corner post.

8. A tank container as claimed in claim 1, in which the inner edge of the web is curved to conform to the arcuate outer wall of the tank.

9. The tank container of claim 1, wherein the connection plate includes a first connection subplate and a second connection subplate, a bottom end of the first connection subplate being connected to a top end of the second connection subplate, an inner side edge of each of the first connection subplate and the second connection subplate being fixed to an outer wall of the tank body;

the outer side edge of the first connecting sub-plate comprises the fixed section and the arc-shaped first section which are sequentially connected from top to bottom, and the outer side edge of the second connecting sub-plate comprises the arc-shaped second section and the transition section which are sequentially connected from top to bottom; the first section and the second section are connected to form the extension section.

10. The tank container of claim 9, wherein the first connection sub plate and the second connection sub plate are integrally formed as the connection plate.

11. A tank container as claimed in claim 1, wherein the lower connection assembly further comprises a first reinforcing box secured to the corner post and located between the two connection plates; the top end of the sealing plate is fixed with the corner post through the first reinforcing box, and the outer side edge part of the top of the connecting plate is fixed with the first reinforcing box.

12. The tank container of claim 1, wherein each of the end bells includes two sets of the lower connection assemblies, the two sets of the lower connection assemblies being respectively disposed at both sides of the bottom of the tank body.

13. A tank container as claimed in claim 12, in which the ends of the portions of the two sets of lower connection assemblies where the connection plates are located at the bottom of the tank abut.

14. The tank container according to claim 1, wherein the bottom of both ends of the end sill is opened with an escape groove having a depth smaller than a height of the end sill.

15. The tank container of claim 14, wherein the cross-sectional profile of the inner wall of the avoiding groove includes a first connecting section and a second connecting section connected with the first connecting section in a bent manner, the end of the first connecting section is fixed with the bottom corner piece, and the first connecting section and the second connecting section form an arc transition therebetween.

16. The tank container of claim 14, wherein each of the end frames further includes a pair of second reinforcing boxes respectively disposed at the junctions of the two corner posts and the two ends of the end sill, the second reinforcing boxes being correspondingly disposed above the bypass grooves.

17. A tank container according to claim 16, characterised in that the outer contour of the second reinforcing box is a right triangle, the two catheti of the second reinforcing box being fixed with the end sill and the corner post, respectively.

18. The tank container according to claim 17, wherein the hypotenuse of the outer contour of the second reinforcement box is curved.

19. A tank container as claimed in claim 1, in which the outer sides of the corner posts are disposed inboard of or flush with the outer end face of the bottom corner piece.

20. A tank container as claimed in claim 1, in which the outer sides of the corner posts project outwardly beyond the outer end face of the base corner fitting.