CN101497394B - Underframe structure of refrigerated container - Google Patents
Underframe structure of refrigerated container Download PDFInfo
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- CN101497394B CN101497394B CN2008100092830A CN200810009283A CN101497394B CN 101497394 B CN101497394 B CN 101497394B CN 2008100092830 A CN2008100092830 A CN 2008100092830A CN 200810009283 A CN200810009283 A CN 200810009283A CN 101497394 B CN101497394 B CN 101497394B
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- bottom side
- subfloor
- cross beam
- side beams
- bottom cross
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Abstract
The invention provides a chassis structure for a refrigerating container, which comprises two bottom side beams which are longitudinally arrayed, an auxiliary floor which is arranged between the two bottom side beams and a bottom beam which is arrayed transversely, wherein both ends of the bottom beam are connected with a left bottom side beam and a right bottom side beam respectively. The chassis structure of the refrigerating container is characterized in that the auxiliary floor is a flat plate; the chassis structure also comprises a plurality of reinforcing ribs which are arrayed transversely with a preset space and welded to the upper side of the auxiliary floor, and both ends of each reinforcing rib are connected with the left bottom side beam and the right bottom side beam respectively; and the bottom beam comprises a main bottom beam and two auxiliary bottom beams, wherein lower edges of the main bottom beam and the auxiliary bottom beams are parallel to that of the bottom side beams, and upper edges of the main bottom beam and the auxiliary bottom beams are higher than a plane formed by the auxiliary floor. The chassis structure reduces the damage probability of the auxiliary floor, improves the repairing efficiency, reduces the cost, can achieve the automatic welding and automatic painting, and improve the production efficiency and the product quality, so that the structure strength, the shock resistant capability and the capability of preventing foam from layering of a base plate are improved.
Description
Technical field
The present invention relates to a kind of assembly of refrigerated container, particularly a kind of Undercarriage structure of refrigerated container.
Background technology
The Undercarriage structure of refrigerated container, foaming layer and T floor three parts constitute the carrying structure of goods in the refrigerated container jointly.The underframe of refrigerated container part mainly by (i) two bottom side beams of vertically arranging, (ii) many transversely arranged bottom cross beams and (iii) subfloor form; Above this underframe part, the T floor is set again; Form an osed top space between T floor and the subfloor, this space is the foaming district.It is the undulatory subfloor of polylith to be overlapped mutually or the modes such as (welding or bonding) of splicing forms the monoblock subfloor that existing underframe subfloor is generally adopted, and bottom side beams and 2～3 foundation crossbeams are welded whole underframe longitudinally by undulatory subfloor, two.As shown in Figure 1, wherein show the partial schematic diagram after a side that has the refrigerated container Undercarriage structure now is vertically analysed and observe, from Fig. 1 as seen, between the bottom side beams upper edge 11 of bottom side beams 1 and bottom side beams lower edge 12, undulatory subfloor 2 is set, about be provided with some bottom cross beams 3 between two bottom side beams, normally a main bottom cross beam 31 and 2 secondary bottom cross beams 32, a described main bottom cross beam 31 and secondary bottom cross beam 32 parts are positioned at the below of subfloor 2, a part is positioned at the top of parabasal plate 2, and promptly upper section is positioned at the foaming district.There is following shortcoming in the undulatory Undercarriage structure of existing refrigerated container: the welding of (1) undulatory subfloor and bottom side beams all is used for manual welding, and its welding efficiency is low, formability is poor; (2) carry out the paint application difficulty on undulatory subfloor, cause the paint films difference in thickness at crest, trough place big easily, waste is serious; (3) undulatory subfloor can be subjected to collision such as trailer lockset and the ground-surface stone of unfairness and damage, and corrugated plating maintenance difficulty; (4) underframe intensity mainly relies on the carrying of polyurethane foam, and impact resistance is poor, the easy layering of foam.Therefore, provide a kind of structural strength height, be easy to the Undercarriage structure of the new refrigerated container of processing and manufacturing, be still those skilled in the art's urgency major issue to be solved when exploitation and manufacturing refrigerated container.
Summary of the invention
Problem to be solved by this invention is that the undulatory Undercarriage structure that overcomes existing refrigerated container exists following shortcoming: the welding of (1) undulatory subfloor and bottom side beams all is used for manual welding, and its welding efficiency is low, formability is poor; (2) carry out the paint application difficulty on undulatory subfloor, cause the paint films difference in thickness at crest, trough place big easily, waste is serious; (3) undulatory subfloor can be subjected to collision such as trailer lockset and the ground-surface stone of unfairness and damage, and corrugated plating maintenance difficulty; (4) underframe intensity mainly relies on the carrying of polyurethane foam, and impact resistance is poor, the easy layering of foam.
For addressing the above problem, the invention provides a kind of Undercarriage structure of refrigerated container, it comprises two bottom side beams of vertically arranging, be arranged at subfloor between two bottom side beams and transversely arranged bottom cross beam, described bottom cross beam two ends respectively with about two bottom side beams be connected, wherein: described subfloor is dull and stereotyped; This Undercarriage structure comprises also that preset distance at interval is transversely arranged and is welded in the plurality of strengthening ribs of described subfloor upside, the two ends of described reinforced rib respectively with about two bottom side beams be connected; Described bottom cross beam comprises a main bottom cross beam and two secondary bottom cross beams, and the lower edge of described main bottom cross beam and secondary bottom cross beam is concordant with the bottom side beams lower edge, and the upper edge of described main bottom cross beam and secondary bottom cross beam is higher than the plane that subfloor forms.
The Undercarriage structure that provides according to another embodiment of the invention, wherein: described subfloor has the shallow corrugated of the ripple degree of depth less than 10mm.
The Undercarriage structure that arbitrary scheme provides more than according to the present invention, wherein: also comprise crossbeam in the at interval transversely arranged setting of preset distance some, described in crossbeam two ends respectively with about two bottom side beams is connected, and described interior crossbeam is positioned at the top of subfloor.
According to the Undercarriage structure that the present invention further provides, wherein: the upper edge of crossbeam is concordant with the bottom side beams upper edge in described.
According to the Undercarriage structure that the present invention further provides, wherein: crossbeam is the steel that cross sectional shape is frame type, I type, C shape, T type or U type in described.
According to the Undercarriage structure that the present invention further provides, wherein: also comprise the PE muscle that is arranged on the described interior crossbeam and is used to support the T floor.
The Undercarriage structure of refrigerated container of the present invention, the T floor of subfloor wherein and this Undercarriage structure upper support forms a foaming layer, and the weight of goods mainly by the bottom cross beam carrying, has greatly alleviated the suffered bearing capacity of original corrugated plating in the refrigerated container.Simultaneously, by above-mentioned design of the present invention, can obtain following technique effect effectively: 1) reduced the probability that subfloor damages to greatest extent; 2) can use simple flat plate rather than corrugated plating place under repair, improve repairing efficient widely, reduce cost; 3) can realize automated welding and auto spray painting, improve production efficiency and product quality; 4) structural strength of base plate, impact resistance and prevent that the foam bed resolution from strengthening greatly.
Description of drawings
Fig. 1 is the local structure scheme drawing that the underframe of existing refrigerated container is vertically analysed and observe.
Fig. 2 is the local structure scheme drawing that the underframe of refrigerated container of the present invention is vertically analysed and observe.
Fig. 3 is the structure for amplifying scheme drawing of A portion among Fig. 2.
Fig. 4 is the structure for amplifying scheme drawing of B portion among Fig. 2.
Fig. 5 is the structure for amplifying scheme drawing of C portion among Fig. 2.
Fig. 6 is the local structure scheme drawing that the underframe of refrigerated container of the present invention is overlooked.
Wherein, main reference numeral is described as follows:
1, bottom side beams 31, main bottom cross beam
11, bottom side beams upper edge 32, secondary bottom cross beam
12, bottom side beams lower edge 4, reinforced rib
2, subfloor 5, interior crossbeam
3, bottom cross beam 6, PE muscle
The specific embodiment
Further specify the present invention below with reference to accompanying drawing by the specific embodiment, purpose is the usefulness that explains for the ease of understanding the present invention, is not to be used to limit the present invention.
Design of the present invention is, by improving the Undercarriage structure of refrigerated container, improves the Undercarriage structure intensity of refrigerated container, makes the underframe of refrigerated container be easy to processing and manufacturing.
Specifically describe embodiments of the present invention referring now to accompanying drawing.Fig. 2 is the local structure scheme drawing that the underframe of refrigerated container of the present invention is vertically analysed and observe, and Fig. 3, Fig. 4 and Fig. 5 are respectively the structure for amplifying scheme drawings of A portion among Fig. 2, B portion, C portion, and Fig. 6 is the local structure scheme drawing that the underframe of refrigerated container of the present invention is overlooked.
In the specific embodiment of the Undercarriage structure of refrigerated container provided by the invention, this Undercarriage structure comprises two bottom side beams 1 of vertically arranging, be arranged at subfloor 2 between two bottom side beams and transversely arranged bottom cross beam 3, described bottom cross beam 3 two ends respectively with about two bottom side beams 1 be connected, wherein: described subfloor 2 is dull and stereotyped; This Undercarriage structure comprises also that preset distance at interval is transversely arranged and is welded in the plurality of strengthening ribs 4 of described subfloor upside, the two ends of described reinforced rib 4 respectively with about two bottom side beams 1 be connected; Described bottom cross beam 3 comprises a main bottom cross beam 31 and two secondary bottom cross beams 32, and the lower edge of described main bottom cross beam 31 and secondary bottom cross beam 32 is concordant with bottom side beams lower edge 12, and the upper edge of described main bottom cross beam 31 and secondary bottom cross beam 32 is higher than the plane that subfloor 2 forms.
In second specific embodiment of the Undercarriage structure of refrigerated container provided by the invention, described subfloor 2 is designed to have the shallow corrugated of the ripple degree of depth less than 10mm, this shallow corrugated adds the structural strength of subfloor with helping, can not have a negative impact to technology such as spray paint simultaneously.
First specific embodiment according to the present invention wherein also comprises crossbeam 5 in the at interval transversely arranged setting of preset distance some, described in crossbeam 5 two ends respectively with about two bottom side beams 1 is connected, and described interior crossbeam 5 is positioned at the top of subfloor 2.
Second specific embodiment according to the present invention wherein also comprises crossbeam 5 in the at interval transversely arranged setting of preset distance some, described in crossbeam 5 two ends respectively with about two bottom side beams 1 is connected, and described interior crossbeam 5 is positioned at the top of subfloor 2.
The further embodiment of Undercarriage structure of the present invention is that the upper edge of crossbeam 5 is concordant with bottom side beams upper edge 11 in being designed to.
The further embodiment of Undercarriage structure of the present invention is that interior crossbeam 5 uses are steel that cross sectional shape is frame type, I type, C shape, T type or U type.The steel of this shape have vital function for strengthening Undercarriage structure.
The further embodiment of Undercarriage structure of the present invention also comprises the PE muscle 6 that is arranged on the described interior crossbeam and is used to support the T floor.
The present invention's crossbeam 5 in every interval one preset distance is welded with between two bottom side beams 1, quantity of crossbeam 5 can determine that this is that those skilled in the art accomplish easily according to the structure design of whole freight container in this.
From scheming as seen, the bottom surface of main bottom cross beam 31 and secondary bottom cross beam 32 is concordant with the lower edge 12 of bottom side beams 1, and the lower edge of described main bottom cross beam 31 and secondary bottom cross beam 32 is concordant with bottom side beams lower edge 12, the upper edge of described main bottom cross beam 31 and secondary bottom cross beam 32 is higher than the plane that subfloor 2 forms, and promptly their upper edge is arranged in the foaming district.And the top that entirely is positioned at subfloor 2 of interior crossbeam 5, promptly interior crossbeam 5 entirely is arranged in the foaming district.
Above main bottom cross beam 31, secondary bottom cross beam 32, interior crossbeam 5, be provided with PE muscle 6, be used to support the T floor (not shown) of refrigerated container, this shows, weight by the goods in the deep freezer of T floor support mainly concentrates on main bottom cross beam 31, secondary bottom cross beam 32 and the interior crossbeam 5, and the gravity that is transmitted on the subfloor 2 by the foaming layer (not shown) reduces greatly, thereby can prolong the service life of subfloor 2 and foaming layer.
In addition, from Fig. 2 as seen, subfloor 2 be dull and stereotyped substantially, and in the preferred embodiment, as subfloor 2, this design plan can improve the processing convenience of subfloor 2 to the employing ripple degree of depth greatly less than the shallow corrugated plate of 10mm.
In addition, one preset distance also welds plurality of strengthening ribs 4 at the every interval of the upside of subfloor 2, and the quantity of this reinforced rib 4 can determine that this is that those skilled in the art accomplish easily according to the structure design of whole freight container; Reinforced rib 4 is arranged in the foaming district, and two ends and bottom side beams 1 are welded, and can strengthen the structural strength of subfloor 2 thus greatly.This subfloor 2 can adopt this area structure commonly used, preferentially adopts the cross section to be the steel plate of " U " shape substantially.
Refrigerated container Undercarriage structure of the present invention mainly by two vertical bottom side beams 1 and main bottom cross beam 31 and two secondary bottom cross beams 32 and some in crossbeam 5 form, main bottom cross beam 31, secondary bottom cross beam 32, and interior crossbeam two ends are welded on respectively on the bottom side beams 1, constitute a complete rigid frame structure, compare with the Undercarriage structure of existing corrugated subfloor 2, its key distinction is, it is dull and stereotyped that the subfloor 2 that underframe of the present invention adopts is essentially, and on subfloor 2 welding several reinforced ribs 4, increased some in crossbeams 5 with and on PE muscle 6, thereby guaranteeing under the prerequisite of underframe by the ISO test, can reduce the foaming density of foaming layer, reduce thermal leakage ratio.
Substitute undulatory subfloor with flat subfloor, not only can reduce the subfloor damage to greatest extent, and simple flat plate rather than corrugated plating place under repair are used in permission, improved repairing efficient, reduced cost,, base plate strength has been changed from the carrying of original main dependence polyurethane foam to main dependence bottom cross beam carrying in addition by increasing several little bottom cross beams and PE muscle, strengthened the structural strength of bottom, improved shock resistance and prevented the ability of foam layering.
Refrigerated container Undercarriage structure of the present invention be positioned at the T floor of casing and the base plate that the middle foaming layer has constituted refrigerated container, the present invention is through experimental test, proves that it can satisfy ISO-1496/2 fully to refrigerated container bottom board rigidity and requirement of strength and leak heat request.
By the detailed description of above specific embodiment, hope can clearer description the present invention, but is not that above-mentioned disclosed preferred embodiment is used to limit the present invention.Claim of the present invention should be done the wideest explanation according to the above description, with the arrangement that causes it to contain all possible change and have equality.
Claims (6)
1. the Undercarriage structure of a refrigerated container, it comprises two bottom side beams of vertically arranging, be arranged at subfloor between two bottom side beams and transversely arranged bottom cross beam, described bottom cross beam two ends respectively with about two bottom side beams be connected, it is characterized in that: described subfloor is for dull and stereotyped; This Undercarriage structure comprises also that preset distance at interval is transversely arranged and is welded in the plurality of strengthening ribs of described subfloor upside, the two ends of described reinforced rib respectively with about two bottom side beams be connected; Described bottom cross beam comprises a main bottom cross beam and two secondary bottom cross beams, and the lower edge of described main bottom cross beam and secondary bottom cross beam is concordant with the bottom side beams lower edge, and the upper edge of described main bottom cross beam and secondary bottom cross beam is higher than the plane that subfloor forms.
2. according to the Undercarriage structure of claim 1, it is characterized in that: described subfloor has the shallow corrugated of the ripple degree of depth less than 10mm.
3. according to the Undercarriage structure of claim 1 or 2, it is characterized in that: also comprise crossbeam in the at interval transversely arranged setting of preset distance some, described in crossbeam two ends respectively with about two bottom side beams is connected, and described interior crossbeam is positioned at the top of subfloor.
4. according to the Undercarriage structure of claim 3, it is characterized in that: the upper edge of crossbeam is concordant with the bottom side beams upper edge in described.
5. according to the Undercarriage structure of claim 4, it is characterized in that: crossbeam is the steel that cross sectional shape is frame type, I type, C shape, T type or U type in described.
6. according to the Undercarriage structure of claim 3, it is characterized in that: also comprise the PE muscle that is arranged on the described interior crossbeam and is used to support the T floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100092830A CN101497394B (en) | 2008-02-03 | 2008-02-03 | Underframe structure of refrigerated container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100092830A CN101497394B (en) | 2008-02-03 | 2008-02-03 | Underframe structure of refrigerated container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101497394A CN101497394A (en) | 2009-08-05 |
| CN101497394B true CN101497394B (en) | 2010-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100092830A Active CN101497394B (en) | 2008-02-03 | 2008-02-03 | Underframe structure of refrigerated container |
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| Country | Link |
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| CN (1) | CN101497394B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040058B (en) * | 2009-10-23 | 2013-01-23 | 中国国际海运集装箱(集团)股份有限公司 | Base frame for container |
| CN104875982A (en) * | 2014-02-28 | 2015-09-02 | 中集集团集装箱控股有限公司 | Container |
| US10850918B2 (en) | 2016-08-26 | 2020-12-01 | Nantong Cimc-Special Transportation Equipment Manufacture Co., Ltd | Container |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416076Y (en) * | 2000-02-03 | 2001-01-24 | 上海中集冷藏箱有限公司 | Improved refrigerating container baseboard |
| CN2509126Y (en) * | 2001-10-10 | 2002-09-04 | 中国国际海运集装箱(集团)股份有限公司 | Bottom structure of container |
| CN2931377Y (en) * | 2006-07-25 | 2007-08-08 | 中国国际海运集装箱(集团)股份有限公司 | Insulated floor |
-
2008
- 2008-02-03 CN CN2008100092830A patent/CN101497394B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416076Y (en) * | 2000-02-03 | 2001-01-24 | 上海中集冷藏箱有限公司 | Improved refrigerating container baseboard |
| CN2509126Y (en) * | 2001-10-10 | 2002-09-04 | 中国国际海运集装箱(集团)股份有限公司 | Bottom structure of container |
| CN2931377Y (en) * | 2006-07-25 | 2007-08-08 | 中国国际海运集装箱(集团)股份有限公司 | Insulated floor |
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| Publication number | Publication date |
|---|---|
| CN101497394A (en) | 2009-08-05 |
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Effective date of registration: 20170224 Address after: 215434 Taicang economic and Technological Development Zone, Jiangsu Province, No. 99 Binjiang Avenue Patentee after: CIMC TAICANG REFRIGERATION EQUIPMENT LOGISTICS CO., LTD. Patentee after: China International Marine Containers (Group) Limited by Share Ltd Patentee after: China International Marine Containers (Group) Ltd. Address before: 201908 Baoshan District, Shanghai, Shanghai Road, No. 6886-6888 Patentee before: Shanghai CIMC Reefer Containers Co., Ltd. Patentee before: China International Marine Containers (Group) Limited by Share Ltd |