CN1493508A - Container underbed strengthening method suitable for use on telescopic trailer - Google Patents
Container underbed strengthening method suitable for use on telescopic trailer Download PDFInfo
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- CN1493508A CN1493508A CNA021350620A CN02135062A CN1493508A CN 1493508 A CN1493508 A CN 1493508A CN A021350620 A CNA021350620 A CN A021350620A CN 02135062 A CN02135062 A CN 02135062A CN 1493508 A CN1493508 A CN 1493508A
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Abstract
A method for reinforcing the bottom frame of container to make the container suitable for the telescopic truck features that said bottom frame has a locally reinforced part, where there are at least three transverse beams and at least two longitudinal beams for connecting all the transverse beams into a whole.
Description
Technical field
The present invention relates to freight container, be specifically related to a kind of strong method that adds of the chassis of container that is applicable to telescopic trailer (extendable chassis).
Technical background
The length dimension specification of most of freight container is a standard, and the most commonly used have 40 feet and 20 feet iso standard freight containers.Correspondingly, the trailer's length that is used for delivery container generally is 40 feet.
But in recent years, having occurred length specification in succession is 45 feet, 48 feet, 53 feet freight container.Transport the trailer of these non-ISO casees, length must become exclusive trail car above 40 feet.Like this, the transportation company trailer kind that must be equipped with can increase.And, because can not be general between the trailer, the freight volume of different case kinds is also unbalanced, thereby makes the trailer of transportation company the unbalanced of use occur.For Applicable scope and the commonality that improves trailer, in America and European market, a kind of trailer of adjustable in length has appearred, shown in Fig. 2 a, 2b.When receiving hour, can load and transport 40 feet and 20 forty equivalent unit 40s.When moving to when the longest, can load and transport 45 feet, 48 feet or 53 forty equivalent unit 40s.This telescopic trailer is with respect to the trailer of regular length, owing to using the more flexible extensive welcome that is subjected to.Also the safety of loading and transporting on trailer for freight container has brought hidden danger but simultaneously.
Shown in Fig. 2 a and Fig. 2 b, the underframe of telescopic trailer is provided with Collapsible structure 4.When being used to transport overproof length freight container, with the underframe elongation so that the total length of freight container be supported.But after the elongation of this trailer, some areal of support of its telescopic section 4 is lower than other parts, so just makes the freight container of putting thereon, and the bottom cross beam of its appropriate section can not get support.For the ISO freight container, partly or entirely bottom cross beam can not get supporting, and does not influence normal and transports safely.And, owing to pursue big internal volume, and make container bottom cross beam weak many than the ISO case for 48 feet and 53 feet inland container depots.Therefore, when transportation and lade, its end crossbeam must be supported on the longitudinal girder 9 of trailer.Obviously, during lade, owing to do not support the scope of a section very long (such as 5 feet) in, there is the possibility of being out of shape in the underframe of freight container to this freight container, has a strong impact on the safe in utilization and life-span of freight container on telescopic trailer.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of strong method that adds of chassis of container is provided, and makes freight container can be applicable to telescopic trailer, improves freight container safety in utilization and service life during handling goods on telescopic trailer.
Technical matters of the present invention is to solve like this: a kind of chassis of container that is suitable for telescopic trailer (extendable chassis) add strong method, it is characterized in that, in the length range of described underframe, establish a local reinforcing section; Described local reinforcing section comprises three continuous bottom cross beams at least.
According to the present invention, can realize in the following way that the part of underframe is strengthened: adopt the bottom cross beam arranging density closeer than other parts at the local reinforcing section of need.
According to the present invention, can realize in the following way that also the part of underframe is strengthened: be no less than two longerons that the bottom cross beam of this part position is connected as a single entity in the local reinforcing section setting of described need, described longeron is distributed between two bottom side beams of chassis of container.Described longeron can with the cross connection of at least one foundation crossbeam.Longeron also can be connected between the two adjacent foundation crossbeams, and the longeron of same foundation crossbeam both sides is staggered mode and arranges.
According to the present invention, the cross sectional shape of the longeron of described local reinforcing section can be shown in following any one: C type, I type, L type, Ω type.
According to the present invention, realize in the following way that also the part of underframe is strengthened: adopt the bottom cross beam higher than the other parts strength of material at the local reinforcing section of need.
According to the present invention, can realize in the following way that also the part of underframe is strengthened: at the cross sectional moment of inertia bigger bottom cross beam of the local reinforcing section employing of need than other parts cross section centre of form horizontal shaft.Can be shown in following any one as the cross sectional shape of the bottom cross beam of local reinforcing section: C type, I type, L type, Ω type.
Implement container underbed strengthening method provided by the invention, can strengthen the intensity of chassis of container, be applicable to the telescopic container trailer of length, can improve the anti-ability of destroying of chassis of container, prolong the service life of freight container corresponding to the trailer telescopic section.Below in conjunction with drawings and Examples the present invention is described in further detail.
Description of drawings
Fig. 1 is an extended type non-standard container Undercarriage structure scheme drawing;
Fig. 2 a and Fig. 2 b are scalable container trailer scheme drawing;
Fig. 3 is the scheme drawing of an embodiment of container underbed strengthening method of the present invention;
Fig. 4 is the scheme drawing of another embodiment of container underbed strengthening method of the present invention;
Fig. 5 is the scheme drawing with second kind of type of attachment embodiment of longeron reinforcement;
Fig. 6 a, 6b, 6c, 6d and 6e are respectively the bottom cross beam of local reinforcing section and play several selectable cross sectional shape of the longeron of booster action.
The specific embodiment
Embodiment 1:
Being illustrated in figure 3 as at the local reinforcing section of need adopts the mode of the bottom cross beam closeer than other parts to realize the local example of strengthening of chassis of container.This chassis of container comprises in the bottom side beams 5 of vertical both sides and is vertically connected at one group of bottom cross beam that is parallel to each other 6 between described two bottom side beams; In the described chassis of container, be provided with a local reinforcing section 7.In the present embodiment, local reinforcing section 7 is the bottom cross beam arranging density part closeer than other parts.By the arrangement of local density bottom cross beam, the deadweight of freight container and cost increase few like this, but owing to make the intensity of key position obtain reinforcement, have increased its safety in utilization, also can increase the service life.During use, this local reinforcing section just in time is positioned on the flexible position of trailer.
Embodiment 2:
Fig. 4 is the scheme drawing of another embodiment of container underbed strengthening method of the present invention.The structure of local reinforcing section is in the present embodiment, is provided with the longeron 8 that the bottom cross beam with this part position is connected as a single entity in this part, and described longeron 8 is distributed between two bottom side beams 5.Longeron 8 generally is no less than two, and present embodiment is three.In the present embodiment, longeron 8 and 6 cross connections of a middle foundation crossbeam, the two ends of longeron 8 are connected with the sidepiece of the bottom cross beam of both sides respectively.
Longeron 8 also can adopt mode shown in Figure 5 with the connection mode of bottom cross beam 6, and promptly every longeron 8 is connected between the two adjacent foundation crossbeams 6, and the longeron of same foundation crossbeam both sides is staggered mode and arranges.
Embodiment 3:
As shown in Figure 6, local reinforcing section in the chassis of container of the present invention, also can be by this part bottom cross beam 6 being adopted the cross sectional moment of inertia that strengthens bottom cross beam cross section centre of form horizontal shaft of suitable cross sectional shape and sectional area, thereby improve the bending strength of this part bottom cross beam 6, the cross sectional shape of bottom cross beam 6 is as being shown in following any one: C type, I type, L type, Ω type.Longeron 8 also can adopt cross sectional shape listed above.
Embodiment 4:
Purpose of the present invention also can be used the bottom cross beam of high strength material by at the local reinforcing section of need, makes intensity higher realize of the material of this place's bottom cross beam than the bottom cross beam of other parts.If use Q235 (GB700-88) as the underframe base portion, the bottom cross beam of local reinforcing section can adopt the 16Mn high steel of Material Strength such as (GB1591-88).Play the longeron of local booster action, also can adopt the higher steel of this intensity.
Claims (10)
1, a kind of chassis of container that is suitable for telescopic trailer (extendable chassis) add strong method, it is characterized in that, in the length range of described underframe, establish a local reinforcing section; Described local reinforcing section comprises three continuous bottom cross beams at least.
2, chassis of container according to claim 1 is characterized in that, the bottom cross beam upper surface of described local reinforcing section, with adjacent other bottom cross beam upper surfaces in same horizontal surface.
3, container underbed strengthening method according to claim 1 and 2 is characterized in that, realizes that in the following way the part of underframe is strengthened: adopt the bottom cross beam arranging density closeer than other parts at the local reinforcing section of need.
4, container underbed strengthening method according to claim 1 and 2, it is characterized in that, be no less than two longerons that the bottom cross beam of this part position is connected as a single entity in the local reinforcing section setting of described need, described longeron is distributed between two bottom side beams of chassis of container.
5, container underbed strengthening method according to claim 4 is characterized in that, described longeron and the cross connection of at least one foundation crossbeam.
6, container underbed strengthening method according to claim 4 is characterized in that, every longeron is connected between the two adjacent foundation crossbeams, and the longeron of same foundation crossbeam both sides is staggered mode and arranges.
7, container underbed strengthening method according to claim 4 is characterized in that, the cross sectional shape of the longeron of described local reinforcing section can be shown in following any one: C type, I type, L type, Ω type.
8, container underbed strengthening method according to claim 1 and 2 is characterized in that, realizes that in the following way the part of underframe is strengthened: adopt the bottom cross beam higher than the other parts strength of material at the local reinforcing section of need.
9, container underbed strengthening method according to claim 1 and 2 is characterized in that, realizes that in the following way the part of underframe is strengthened: at the cross sectional moment of inertia bigger bottom cross beam of the local reinforcing section employing of need than other parts cross section centre of form horizontal shaft.
According to any described container underbed strengthening method of claim 1 to 9, it is characterized in that 10, the cross sectional shape of the bottom cross beam of described local reinforcing section can be shown in following any one: C type, I type, L type, Ω type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021350620A CN1493508A (en) | 2002-10-28 | 2002-10-28 | Container underbed strengthening method suitable for use on telescopic trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021350620A CN1493508A (en) | 2002-10-28 | 2002-10-28 | Container underbed strengthening method suitable for use on telescopic trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1493508A true CN1493508A (en) | 2004-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021350620A Pending CN1493508A (en) | 2002-10-28 | 2002-10-28 | Container underbed strengthening method suitable for use on telescopic trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1493508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308196C (en) * | 2004-06-18 | 2007-04-04 | 中国国际海运集装箱(集团)股份有限公司 | Container bottom frame structure |
-
2002
- 2002-10-28 CN CNA021350620A patent/CN1493508A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308196C (en) * | 2004-06-18 | 2007-04-04 | 中国国际海运集装箱(集团)股份有限公司 | Container bottom frame structure |
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