CN212952182U

CN212952182U - Container underframe

Info

Publication number: CN212952182U
Application number: CN202020986294.0U
Authority: CN
Inventors: 吴志强; 吴潮栋; 张志伦
Original assignee: Guangdong Fuwa Equipment Manufacturing Co Ltd
Current assignee: Guangdong Fuwa Equipment Manufacturing Co Ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-04-13
Anticipated expiration: 2030-06-02

Abstract

The container chassis comprises a bottom side beam and a middle bottom corner piece, wherein a concave position is arranged at the bottom of the bottom side beam, one end of the concave position extends to one end face of the bottom side beam, the other end of the concave position is a blind end, a first welding face is formed at the blind end of the concave position on the bottom side beam, a top welding face is formed at the position of the top of the concave position, a reinforcing beam is embedded in the concave position, the top face of the reinforcing beam is welded and fixed on the top welding face, a second welding face is formed at one end face of the reinforcing beam facing the first welding face, a first fixing portion is arranged on the reinforcing beam, the first welding face, the second welding face and the first fixing portion enclose into an installation space, the middle bottom corner piece is arranged in the installation space, the middle bottom corner piece comprises a top wall and two end walls, the first fixing portion is welded and fixed with the top wall, and the first welding face and the second welding face are respectively. The utility model discloses strengthen the joint strength of middle base angle spare and end curb girder, promoted the security of container.

Description

Container underframe

Technical Field

The utility model relates to a container technical field, concretely relates to container chassis.

Background

Generally, bottom corner pieces are required to be installed at four end corners of an ISO standard container underframe so as to meet the requirement of stacking containers, and the bottom corner pieces are welded and fixed at the end parts of bottom side beams of the underframe; in some extra-long containers such as 45-square containers, 48-square containers and 53-square containers, or ISO standard containers meeting special stacking requirements, it is generally necessary to fix a middle bottom corner piece between bottom corner pieces at two ends of a bottom side beam, and to form a notch capable of accommodating the middle bottom corner piece on the bottom side beam, and weld and fix the middle bottom corner piece in the notch, so that the strength of the whole bottom side beam is low, and when the middle bottom corner piece is in a stacking state, local stress is concentrated, and the welding strength of the middle bottom corner piece and the bottom side beam is low, which results in a large potential safety hazard when the containers are stacked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a container chassis, its joint strength who can increase middle base angle spare and end curb girder is not enough to prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the container bottom frame comprises a bottom side beam and a middle bottom corner piece, wherein the bottom of the bottom side beam is provided with a concave position, one end of the concave position extends to one end surface of the bottom side beam, the other end of the concave position is a blind end, a first welding surface is formed at the blind end of the concave position on the bottom side beam, a top welding surface is formed at the position of the top of the concave position on the bottom side beam, a reinforcing beam is embedded in the concave position, the top surface of the reinforcing beam is welded and fixed on the top welding surface, the end surface of the reinforcing beam facing to one end of the first welding surface forms a second welding surface, the reinforcing beam is provided with a first fixing part, the first welding surface, the second welding surface and the first fixing part enclose an installation space, the middle bottom corner piece is arranged in the installation space, and middle base angle spare includes the roof, is located two end walls at both ends around the roof respectively, and first fixed part is arranged in on the roof and with roof welded fastening, first face of weld and second face of weld respectively on two end walls.

The stiffening beam comprises a vertical connecting plate and a horizontal connecting plate bent from the top of the vertical connecting plate to the outer side, the second welding surface is the end surface of one end, close to the middle part of the bottom side beam, of the vertical connecting plate, the first fixing part is formed by the part, extending from one end, close to the middle part of the bottom side beam, of the horizontal connecting plate to the upper part of the middle bottom corner piece, and the top welding surface is welded and fixed at the position where the vertical connecting plate and the horizontal connecting plate are connected.

The bottom side beam comprises an upper wing plate and a web plate which are positioned at the top of the bottom side beam, the top of the web plate is connected to the lower surface of the upper wing plate, a first reinforcing vertical plate is arranged between the web plate and the horizontal connecting plate, and the top end surface, the bottom end surface and the inner side surface of the first reinforcing vertical plate are respectively welded and fixed on the upper wing plate, the horizontal connecting plate and the web plate; a second reinforcing vertical plate is arranged between the web plate and the middle bottom corner piece, and the top end face, the bottom end face and the inner side face of the second reinforcing vertical plate are respectively welded and fixed on the top wall of the upper wing plate and the web plate of the middle bottom corner piece.

The first fixing portion is provided with a bending portion which is bent upwards, and the bending portion is attached to the second reinforcing vertical plate and is welded and fixed with the second reinforcing vertical plate.

The bottom side beam also comprises a lower wing plate, and the end surface of the lower wing plate is welded and fixed on the end wall of the middle bottom corner piece far away from the reinforcing beam.

The end part of the container underframe is also provided with an end bottom corner fitting, a corner post is fixed on the end bottom corner fitting, the end part of the bottom side beam is welded on the corner post, and one end of the stiffening beam, which is far away from the second welding surface, is welded on the end bottom corner fitting.

And one end of the horizontal connecting plate close to the end part of the bottom side beam is provided with a second fixing part, and the second fixing part is welded and fixed on the top of the bottom corner piece at the end part.

The reinforcing beam also comprises a supporting bottom plate which is bent towards the inner side from the bottom of the vertical connecting plate.

The beneficial effects of the utility model reside in that:

the utility model discloses in, owing to a fixed stiffening beam on the end curb girder, this stiffening beam extends to middle base angle spare department by the tip of bottom side roof beam to with middle base angle spare welded fastening, strengthened the joint strength of middle base angle spare and end curb girder, avoid middle base angle spare to make the container chassis stress concentration appear when the pile, promoted the security of container.

Drawings

Fig. 1 is a schematic structural view of a container underframe of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic view of the installation of the container chassis of FIG. 1;

fig. 4 is a schematic structural view of another container bottom frame 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 and 3, the container underframe of the present invention, especially an underframe of an ultra-long container, specifically comprises a bottom side beam 110, a middle bottom corner fitting 20 and a reinforcement beam 120, wherein the bottom side beam 110 is provided with a concave position 100, the concave position 100 is located at the bottom of the bottom side beam 110, one end of the concave position extends to one end surface of the bottom side beam 110, the other end forms a blind end, the blind end of the concave position 100 on the bottom side beam 110 forms a first welding surface, a top welding surface is formed at the top of the concave position, the reinforcement beam 120 is embedded in the concave position, and the top surface of the reinforcement beam 120 is welded and fixed on the top welding surface, the end surface of the reinforcement beam 120 facing the first welding surface forms a second welding surface, and the top surface of the reinforcement beam 120 is provided with a first fixing portion 1221 extending toward the middle of the bottom side beam 110, the first welding surface, the second welding surface and the first fixing portion 1221 together enclose an installation space, the middle bottom corner piece 20 is arranged in the installation space, the middle bottom corner piece 20 comprises a top wall 22, an end wall 23 located at the front end of the top wall 22 and an end wall 21 located at the rear end of the top wall 22, wherein the bottom wall 22 is attached to the lower surface of the first fixing portion 1221 and is welded and fixed with the first fixing portion 1221, the first welding face is welded and fixed on the end wall 21, the second welding face is welded and fixed on the end wall 23, and therefore the middle bottom corner piece 20 is fixedly connected to the bottom side beam 110.

The container underframe is assembled as shown in fig. 3, taking the underframe of a 45-foot ultra-long container as an example, the concave position 100 extends to a position of 40 feet from the end part of the bottom side beam 110 to the middle part of the bottom side beam 110, and after the middle bottom corner fitting 20 and the reinforcing beam 120 are assembled with the bottom side beam 110, the middle bottom corner fitting 20 is positioned at the position of 40 feet of the bottom side beam 110; in specific assembly, the bottom side beam 110 may be a whole, that is, two side portions of the dotted line 1100 are an integral structure, and the recess 100 may be formed by cutting the end portion of the bottom side beam 110; the bottom side member 110 may be divided into two parts along the dotted line 1100, wherein the bottom surface of the left part of the bottom side member 110 on the dotted line 1100 is higher than the bottom surface of the right part of the dotted line 1100, the left part and the right part are welded and fixed along the dotted line 1100, during the assembly process, the left part of the bottom side member 110 is fixedly welded to the reinforcing beam 120, and simultaneously, the middle bottom corner fitting 20 is welded and fixed to the reinforcing beam 120 and the left part of the bottom side member 110, so that an integral frame is formed at the position of 40 feet to 45 feet of the container, and then the container is assembled with the integral frame formed at other positions of the container.

The reinforcing beam 20 includes a vertical connecting plate 121 and a horizontal connecting plate 122, wherein the horizontal connecting plate 122 is formed by bending the top of the vertical connecting plate 121 towards the outer side of the container bottom frame, the second welding surface is an end surface of the vertical connecting plate 121 close to the middle of the bottom side beam 110, the end surface of the vertical connecting plate 122 is welded and fixed on the end wall 23 of the middle bottom corner piece, the first fixing portion 1221 is a portion of the horizontal connecting plate 122 close to the middle of the bottom side beam 110 protruding from the vertical connecting plate 121, that is, one end of the horizontal connecting plate 122 close to the middle of the bottom side beam 110 exceeds the first welding surface and extends to the upper side of the middle bottom corner piece 20 to form the first fixing portion 1221, and the top welding surface is welded and fixed at the position where the vertical connecting plate 122 is joined with the horizontal connecting plate 122.

The cross section of the bottom side beam 110 of the present invention can be in an "i" shape, which includes an upper wing plate 113, a web 111, and a lower wing plate 112, wherein the top end of the web 111 is connected to the lower surface of the upper wing plate 113, and the bottom end is connected to the upper surface of the lower wing plate 112, the concave portion 100 can be regarded as formed by removing a part of the lower wing plate 112 and the web 111, one or more first reinforced vertical plates 32 are disposed between the web 111 and the horizontal connecting plate 122, the top end of the first reinforced vertical plates 32 is welded to the lower surface of the upper wing plate 113, the bottom end is welded to the upper surface of the horizontal connecting plate 122, and the inner side is welded to the outer surface of the web 111, so that the first reinforced plates 32 are used to form a supporting and reinforcing structure between the bottom side beam 110 and; a second reinforcing vertical plate 31 is arranged between the web 111 and the middle bottom corner piece 20, the top end surface of the second reinforcing vertical plate 31 is welded on the lower surface of the upper wing plate 113, the bottom end surface is welded on the top wall of the middle bottom corner piece 20, the inner side surface is welded on the outer surface of the web 111, and a supporting and reinforcing structure is formed between the bottom side beam 110 and the middle bottom corner piece 20 by the second reinforcing plate 31.

It should be noted that the bottom side member 110 of the present invention may be a structure having a cross section in a "T" shape only including the upper wing plate 113 and the web 111, as long as the strength of the bottom side member 110 can be ensured. In the arrangement of the lower wing plate 112, the end face of the lower wing plate 112 may be welded and fixed to the end wall 21 of the intermediate bottom corner fitting 20. Similarly, the reinforcing beam 120 may be provided with a supporting bottom plate 123 at the bottom thereof, and the supporting bottom plate 123 is formed by bending the bottom of the vertical connecting plate 121 towards the inner side of the container bottom frame, and of course, the supporting bottom plate 123 may not be provided on the premise of ensuring that the reinforcing beam 120 has sufficient strength.

Furthermore, the utility model discloses a container chassis still wraps tip end corner fittings 40 and corner post 50, sets up tip end corner fittings 40 in 45 feet position department of 45 feet overlength container tip promptly to be fixed with corner post 50 on this tip end corner fittings 40, the tip welded fastening of end curb girder 110 is on corner post 50, and the one end welded fastening that the second face of weld was kept away from to stiffening beam 120 is on tip end corner fittings 40. Of course, in other embodiments, for some very long containers that do not require stacking at the 45 foot position, the end bottom corner fittings 40 may not be required, the corner posts 50 may be extended directly to the bottom of the container underframe, and the bottom side beams 110 and the reinforcing beams 120 are welded to the corner posts 50.

Referring to fig. 4, for a preferred embodiment of the container bottom frame of the present invention, on the basis of the structure shown in fig. 1, an upward bent bending portion 1223 is disposed on the first fixing portion 1221, the bending portion 1223 is attached to the second reinforcing vertical plate 31 and is welded to the second reinforcing vertical plate 31, a hole 1222 is disposed on the first fixing portion 1221, a hole 1224 is disposed on the bending portion 1223, during welding, welding is performed in the hole 1222 and the hole 1224, that is, the first fixing portion 1221 is fixed to the top wall 22 of the middle bottom corner fitting 20 by a plug hole welding method, and the bending portion 1223 is fixed to the second reinforcing vertical plate 31 by a plug hole welding method. Further, one end of the horizontal connecting plate 122 near the end of the bottom side member 110 is provided with a second fixing portion 1225, and the second fixing portion 1225 extends to above the end bottom corner fitting 40 and is fixed by welding to the top of the end bottom corner fitting 40.

It should be emphasized that the container chassis of the present invention is not only suitable for 45 feet super long containers, but also suitable for 48 feet, 53 feet or other containers with non-standard length, and of course, also suitable for ISO standard containers that need to meet special stacking requirements. The utility model discloses in, owing to a fixed stiffening beam on the end curb girder, this stiffening beam extends to middle base angle spare department by the tip of bottom side roof beam to with middle base angle spare welded fastening, strengthened the joint strength of middle base angle spare and end curb girder, avoid middle base angle spare to make the container chassis stress concentration appear when the pile, promoted the security of container.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The container underframe is characterized by comprising a bottom side beam and a middle bottom corner piece, wherein the bottom of the bottom side beam is provided with a concave position, one end of the concave position extends to one end face of the bottom side beam, the other end is a blind end, a first welding surface is formed at the blind end of the concave position on the bottom side beam, a top welding surface is formed at the top of the concave position, a reinforcing beam is embedded in the concave position, the top surface of the reinforcing beam is welded and fixed on the top welding surface, the end surface of the reinforcing beam facing to one end of the first welding surface forms a second welding surface, the reinforcing beam is provided with a first fixing part, the first welding surface, the second welding surface and the first fixing part enclose an installation space, the middle bottom corner piece is arranged in the installation space, and middle base angle spare includes the roof, is located two end walls at both ends around the roof respectively, and first fixed part is arranged in on the roof and with roof welded fastening, first face of weld and second face of weld respectively on two end walls.

2. The container underframe of claim 1, wherein the reinforcing beam comprises a vertical connecting plate, a horizontal connecting plate bent from the top of the vertical connecting plate to the outside, the second welding surface is an end surface of the vertical connecting plate near the middle of the bottom side beam, the first fixing part is formed by a part of the horizontal connecting plate near the middle of the bottom side beam extending to the upper part of the middle bottom corner fitting, and the top welding surface is welded and fixed at the joint position of the vertical connecting plate and the horizontal connecting plate.

3. The container underframe of claim 2, wherein the bottom side beam comprises an upper wing plate and a web plate which are positioned at the top of the bottom side beam, the top of the web plate is connected with the lower surface of the upper wing plate, a first reinforcing vertical plate is arranged between the web plate and the horizontal connecting plate, and the top end surface, the bottom end surface and the inner side surface of the first reinforcing vertical plate are respectively welded and fixed on the upper wing plate, the horizontal connecting plate and the web plate; a second reinforcing vertical plate is arranged between the web plate and the middle bottom corner piece, and the top end face, the bottom end face and the inner side face of the second reinforcing vertical plate are respectively welded and fixed on the top wall of the upper wing plate and the web plate of the middle bottom corner piece.

4. The container underframe of claim 3, wherein the first fixing part is provided with an upward bent bending part, and the bending part is attached to the second reinforced vertical plate and is welded and fixed with the second reinforced vertical plate.

5. A container chassis according to claim 3 in which the underside beam further comprises a lower wing, the end face of which is welded to the end wall of the intermediate floor corner piece remote from the reinforcing beam.

6. The container chassis according to claim 2, wherein the end of the container chassis is further provided with an end sill member to which a corner post is secured, the end of the bottom side beam is welded to the corner post, and the end of the reinforcing beam remote from the second weld face is welded to the end sill member.

7. The container chassis of claim 6, wherein the horizontal web is provided with a second fastener at an end thereof adjacent the end of the bottom side rail, the second fastener being welded to the top of the end bottom corner fitting.

8. The container chassis according to claim 2, wherein the reinforcing beam further comprises a support floor bent inwardly from the bottom of the vertical connecting plate.