CN106865045B - Container steel floor assembly and container with same - Google Patents
Container steel floor assembly and container with same Download PDFInfo
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- CN106865045B CN106865045B CN201510930721.7A CN201510930721A CN106865045B CN 106865045 B CN106865045 B CN 106865045B CN 201510930721 A CN201510930721 A CN 201510930721A CN 106865045 B CN106865045 B CN 106865045B
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- container
- steel floor
- crest
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/004—Contents retaining means
- B65D90/006—Contents retaining means fixed on the floor of the container
Abstract
The invention discloses a steel floor component of a container and the container with the steel floor component. The container steel floor assembly comprises at least two container steel floors, and each container steel floor comprises a crest portion, a trough portion and a connecting portion, wherein the crest portion and the trough portion are arranged in the length direction of the container steel floor, and the connecting portion is connected with the crest portion and the trough portion. The first end lap joint part is arranged at the first end of the length direction of one container steel floor, the second end lap joint part is arranged at the second end of the length direction of the other container steel floor, and the first end lap joint part is matched with the second end lap joint part of the other container steel floor, so that the upper surface and the lower surface of the overlapped whole container steel floor are flush. The container steel floor can meet the strength requirement of the container steel floor, welding is not used, the corrugated forming efficiency of the steel floor is high, the existing equipment can be adopted for pressing, and the cost is reduced.
Description
Technical Field
The invention relates to the field of containers, in particular to a steel floor component of a container and the container with the steel floor component.
Background
At present, most of common dry cargo containers use wood floors, the wood floors are connected with the underframe through screws, the installation is convenient, the efficiency is high, a large amount of wood resources are needed for the wood floors, the environment protection is not facilitated, and the wood floors are easy to damage due to the fact that the wood floors bear the frequent loading and unloading of goods by a forklift, the service life is shortened, and the maintenance cost is increased. Therefore, research on substitute materials for wood flooring is required to solve the above problems faced by wood flooring. Among them is a steel floor.
But the production efficiency of the existing steel floor is low. Because the restriction of equipment, steel floor can not carry out the integrated into one piece, need weld into the monoblock steel floor with polylith fashioned steel floor 10, because the welding department is the ripple shape, its welding degree of difficulty is big, and the deformation after the welding is very big, is difficult to be connected steel floor and the bottom end rail 50 of chassis. In order to reduce the welding difficulty, as shown in fig. 1, the joint of the corrugated steel floor in the length direction of the container is changed into a flat plate, which reduces the welding difficulty, but thereby, the strength of the joint of the steel floor 10 is reduced, thereby reducing the overall strength reduction of the container floor.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to solve the above problems, the present invention discloses a container steel floor assembly comprising at least two container steel floors, wherein the container steel floors comprise crest portions, trough portions and connecting portions connecting the crest portions and the trough portions, the crest portions and the trough portions being arranged along the length direction of the container steel floors,
a first end lap portion is provided at a first end of one of the container steel floors in a length direction, and a second end lap portion is provided at a second end of the other of the container steel floors in the length direction, the first end lap portion being configured to be fitted with the second end lap portion of the other of the container steel floors so that an upper surface and a lower surface of the entire container steel floor after being overlapped are flush.
Optionally, the container further comprises an additional container steel floor, wherein a first end of the additional container steel floor is provided with the first end lap joint, and a second end of the additional container steel floor is provided with the second end lap joint.
Optionally, the first end lap comprises a first end valley; the second end lap comprises a second end crest; wherein
The lower surface of the first end wave valley part is higher than the lower surface of the wave valley part, and the upper surface of the second end wave peak part is lower than the upper surface of the wave peak part.
Optionally, the size of the first end wave trough part is equal to the size of the second end wave crest part in the length direction of the steel floor of the container.
Optionally, the first end lap portion further comprises a first end crest portion and a first end connecting portion connecting the first end crest portion and the first end trough portion; the upper surface of the first end connecting part is higher than the upper surface of the connecting part, and the height difference between the upper surface of the first end connecting part and the upper surface of the connecting part is gradually increased from a wave crest to a wave trough;
the second end lap joint part also comprises a second end wave trough part and a second end connecting part which is connected with the second end wave crest part and the second end wave trough part; the upper surface of the second end connecting part is lower than the upper surface of the connecting part, and the height difference between the upper surface of the second end connecting part and the upper surface of the connecting part is gradually reduced from a wave crest to a wave trough.
Optionally, the lower surface of the first end wave trough part is higher than the lower surface of the wave trough part by a distance equal to the thickness of the second end wave trough part, and/or
The upper surface of the second end crest portion is lower than the upper surface of the crest portion by a distance equal to the thickness of the first end crest portion.
Optionally, a lower surface of the first end overlapping portion is disposed corresponding to an upper surface of the second end overlapping portion.
Optionally, a distance from an upper surface of the crest portion to a lower surface of the trough portion is less than 28 mm.
The invention also discloses a container, and at least two container steel floor assemblies are arranged in the length direction of the container.
Optionally, the container comprises a bottom cross beam, and the joint of the two steel container floors is connected with the bottom cross beam through a screw or a bolt.
According to the container steel floor of the present invention, the first end lap portion is provided at the first end in the length direction of the container steel floor, the second end lap portion is provided at the second end in the length direction of the container steel floor, and the first end lap portion of one of the two container steel floors may be fitted with the second end lap portion of the other of the two container steel floors such that the respective upper and lower surfaces of the two container steel floors are flush. Can satisfy container steel floor's intensity requirement, do not use the welding, steel floor's wave form shaping is efficient, avoids welding deformation and the manufacturing process degree of difficulty that causes, solves steel floor and makes and be connected the big problem of the degree of difficulty with steel floor and chassis, and steel floor is the wave form on the whole length of container in addition, has avoided the problem that prior art's steel floor intensity reduces. Particularly, because the length of each steel floor is smaller, the existing equipment can be adopted for pressing, the new investment required by pressing long-wave patterns is avoided, and the cost is reduced.
Drawings
The following drawings of embodiments of the invention are included as part of the present invention for an understanding of the invention. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention. In the drawings, there is shown in the drawings,
FIG. 1 is a schematic cross-sectional view of a conventional steel floor joint;
FIG. 2 is a perspective view of an additional container steel floor according to the present invention;
FIG. 3a is a schematic side view of the additional container steel floor of FIG. 2 at a first end thereof;
FIG. 3b is a schematic side view of the additional container steel floor of FIG. 2 at a second end thereof;
FIG. 4 is a perspective view of a first container steel floor of a container steel floor assembly according to the present invention;
FIG. 5 is a perspective view of a second container steel floor of a container steel floor assembly according to the present invention;
FIG. 6 is a perspective view of the first container steel floor shown in FIG. 4 and the second container steel floor shown in FIG. 5 overlapped together;
FIG. 7 is a perspective view of the first container steel floor shown in FIG. 4, the second container steel floor shown in FIG. 5, and the additional container steel floor shown in FIG. 2 overlapped together;
FIG. 8 is a schematic elevational view of the additional container steel floor of FIG. 2 at a first end thereof;
FIG. 9 is a schematic elevational view of the steel floor of the supplemental container shown in FIG. 2 at a second end thereof; and
fig. 10 is a schematic front view of a lap joint of two container steel floors.
Description of reference numerals:
10: steel floor of container
50. 150: bottom cross beam
100: steel floor of container
200 first additional container steel floor
300 second additional container steel floor
111. 211, 311: crest portion
112. 212, 312: wave trough part
113. 213, 313: connecting part
121. 321 first end lap
122. 222: second end lap joint part
131. 331 first end crest portion
132. 332 trough part of first end
133. 333 first end connection part
141. 241: second end crest portion
142. 242: second end trough
143. 243, and (3) a step of: second end connecting part
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail so as not to obscure the embodiments of the invention.
In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art. The following detailed description of preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
As shown in fig. 6, the present invention discloses a container steel floor assembly including at least two container steel floors, a first end lap 321 provided at a first lengthwise end of one container steel floor 300, and a second end lap 222 provided at a second lengthwise end of the other container steel floor 200, the first end lap 321 being configured to be fitted with the second end lap 222 of the other container steel floor 200 such that upper surfaces of the two container steel floors are flush with each other and lower surfaces of the two container steel floors are flush with each other. In other words, the upper and lower surfaces of the entire container steel floor assembly (at least two container steel floors) after overlapping are flush.
Specifically, refer to fig. 4 and 5. Fig. 5 shows a container steel floor 300 having a first end lap 321, which includes a crest portion 311, a trough portion 312, and a connecting portion 313 connecting the crest portion 311 and the trough portion 312, which are provided along a length direction of the container steel floor 300.
It is understood that one end of the container steel floor 300 is provided with the first end lap 321 and the other end is constructed to be flat, so that the container steel floor 300 can be disposed at the end of the container.
Further, the first end lap 321 includes a first end crest portion 331, a first end trough portion 332, and a first end connecting portion 333 connecting the first end crest portion 331 and the first end trough portion 332.
The upper surface of the first end connection part 333 is higher than the upper surface of the connection part 313, and a height difference between the upper surface of the first end connection part 333 and the upper surface of the connection part 313 gradually increases from a peak to a valley.
Fig. 4 shows a container steel floor 200 having a second end overlapping portion 222, which includes a peak portion 211, a valley portion 212, and a connection portion 213 connecting the peak portion 211 and the valley portion 212, which are provided along the length direction of the container steel floor 200.
It is understood that the container steel floor 200 is provided at one end with the second end overlapping part 222 and at the other end with a flat configuration, so that the container steel floor 200 can be disposed at the end of the container.
Further, the second end lap 222 includes a second end crest 241, a second end trough 242, and a second end connecting portion 243 connecting the second end crest 241 and the second end trough 242.
The upper surface of the second end connection portion 243 is lower than the upper surface of the connection portion 213, and a height difference between the upper surface of the second end connection portion 243 and the upper surface of the connection portion 213 is gradually reduced from a peak to a valley.
Further, as shown in fig. 2, 3a and 3b, the present invention discloses an additional container steel floor 100, which includes crest portions 111 and trough portions 112 provided in a length direction of the additional container steel floor 100, and a connection portion 113 connecting the crest portions 111 and the trough portions 112. The additional container steel floor 100 shown in the illustrated embodiment only schematically shows two wave troughs 112 and three wave crests 111, it being conceivable that the additional container steel floor 100 may be provided with other numbers of wave troughs 112 and wave crests 111. The overlap between the respective container steel floors will be described by taking the additional container steel floor 100 as an example.
It is understood that the container steel floor assembly of the present invention may overlap two container steel floors, i.e., the container steel floor 300 having the first overlapping portion and the container steel floor 200 having the second overlapping portion, or overlap three container steel floors, i.e., the container steel floor 300, the container steel floor 200 and the additional container steel floor 100 therebetween. Alternatively, a plurality of additional container steel floors 100 may be provided.
With continued reference to fig. 2, a first end lap 121 is provided at a first lengthwise end of the additional container steel floor 100, and a second end lap 122 is provided at a second lengthwise end of the additional container steel floor 100.
When the two container steel floors are overlapped in the length direction, the first end lap 121 of one of the two container steel floors may be engaged with the second end lap 122 of the other of the two container steel floors such that the upper and lower surfaces of the entire container steel floor after the overlapping are flush.
It is understood that the direct overlapping of the two container steel floors may exist between the container steel floor 300 having the first end lap and the container steel floor 200 having the second lap (as shown in fig. 6), and may also occur between the container steel floor 300 having the first end lap and the additional container steel floor 100 (as shown in fig. 7), between the container steel floor 200 having the second lap and the additional container steel floor 100 (as shown in fig. 7), and between the two additional container steel floors 100.
According to the container steel floor assembly of the present invention, a first end lap is provided at a first end in a length direction of one container steel floor, and a second end lap is provided at a second end in a length direction of the other container steel floor, the first end lap being configured to be engaged with the second end lap of the other container steel floor so that an upper surface and a lower surface of the entire container steel floor after being overlapped are flush. Can satisfy container steel floor's intensity requirement, do not use the welding, steel floor's wave form shaping is efficient, avoids welding deformation and the manufacturing process degree of difficulty that causes, solves steel floor and makes and be connected the big problem of the degree of difficulty with steel floor and chassis, and steel floor is the wave form on the whole length of container in addition, has avoided the problem that prior art's steel floor intensity reduces. Particularly, because the length of each steel floor is smaller, the existing equipment can be adopted for pressing, the new investment required by pressing long-wave patterns is avoided, and the cost is reduced.
The construction of the lap joint will be explained below by taking the additional container steel floor 100 as an example. Referring to fig. 2, 3a and 3b, optionally, the first end lap 121 includes a first end crest 131, a first end trough 132, and a first end connection 133 connecting the first end crest 131 and the first end trough 132.
Similarly, the second end lap 122 includes a second end crest 141, a second end trough 142, and a second end connection 143 connecting the second end crest 141 and the second end trough 142.
It is understood that the upper surface of the first end crest portion 131 may be the same plane as the upper surface of the crest portion 111, in other words, the upper surface of the first end crest portion 131 may extend from the upper surface of the crest portion 111 along the length direction of the steel floor of the container.
Similarly, the upper surface of the second end wave trough 142 can be coplanar with the upper surface of the wave trough 112. In other words, the upper surface of the second end wave trough 142 may extend from the upper surface of the wave trough 112 in the length direction of the steel floor of the container.
As shown in fig. 8, the lower surface of the first end wave trough portion 132 is higher than the lower surface of the wave trough portion 112, so that when two additional container steel floors 100 (of course, two different container steel floors as described above) are overlapped as shown in fig. 6 and 10, the first end wave trough portion 132 is located above the second end wave trough portion 142, and the lower surface of the second end wave trough portion 142 is substantially flush with the lower surface of the wave trough portion of the additional container steel floor 100 overlapped therewith.
As shown in fig. 9, the upper surface of the second end crest 141 is lower than the upper surface of the crest 111, so that when two additional container steel floors 100 are overlapped as shown in fig. 6 and 10, the first end crest 131 may be located above the second end crest 141, and the upper surface of the first end crest 131 is substantially flush with the upper surface of the crest of the additional container steel floor 100 overlapped therewith.
Further, the size of the first end wave trough portion 132 is equal to the size of the second end wave crest portion 141 in the length direction of the steel floor of the container. Thus, the size of the joint in the lengthwise direction after the two additional container steel floors 100 are overlapped can be reduced as much as possible.
In order to reduce the gap in the height direction of the container after two additional container steel floors 100 are overlapped, it can be understood that the lower surface of the first end wave trough portion 132 is higher than the lower surface of the wave trough portion 112 by a distance equal to the thickness of the second end wave trough portion 142, and/or the upper surface of the second end wave crest portion 141 is lower than the upper surface of the wave crest portion by a distance equal to the thickness of the first end wave crest portion 131.
Alternatively, the lower surface of the first end lap 121 is disposed to correspond to the upper surface of the second end lap 122. In other words, the lower surfaces of the first end peak portions 131, the first end valley portions 132, and the first end connecting portions 133 are disposed corresponding to the upper surfaces of the second end peak portions 141, the second end valley portions 142, and the second end connecting portions 143. That is, after the two container steel floors are overlapped, the respective lower surfaces of the first end crest 131, the first end trough 132 and the first end connecting portion 133 of one container steel floor may be disposed corresponding to or preferably attached, i.e., in contact with, the respective upper surfaces of the second end crest 141, the second end trough 142 and the second end connecting portion 143 of the other container steel floor.
Optionally, the distance from the upper surface of the peak portion 111 to the lower surface of the valley portion 112 is less than 28 mm. In other words, the height of the corrugations of the additional container steel floor 100 is less than or equal to 28 mm.
In addition, the distance between two adjacent wave peaks of the steel floor of the container can be less than or equal to 180 mm.
In addition, the invention also discloses a container, and at least two container steel floor assemblies are arranged in the length direction of the container.
Optionally, the container includes a bottom cross member 150, and the first and second end straps of the container steel floor are connected to the bottom cross member by screws or bolts.
The container steel floor of the technical scheme is formed by more than two small steel floors in the length direction of a container, the height of the corrugation of each single small steel plate is less than or equal to 28mm, the distance between two adjacent wave peaks (the width direction of the container) is less than or equal to 180mm, the container steel floor is shown in figure 2, the two adjacent small steel floors are designed with an overlapping structure, after overlapping, the upper planes of the wave peaks of the whole steel floor after overlapping are flushed to form a loading bearing surface, and the lower planes of the wave troughs are flushed to be placed on a bottom cross beam 50. The steel floor is connected with the underframe bottom cross beam 50 by adopting screw connection or bolt connection, and the connection position is at the wave trough.
In one embodiment, the entire steel floor of the container is made up of 2 additional container steel floors 100 of the present invention in the length direction of the container, the height of the corrugation of each individual additional container steel floor 100 is less than or equal to 28mm, the distance between two adjacent wave peaks (container width direction) is less than or equal to 180mm, and the width of the individual container steel floors can be adapted to the width of the interior of the container. At the overlap, a first overlap of one of the two additional container steel floors 100 overlaps a second overlap of the other of the two additional container steel floors 100. So that two additional container steel floors 100 can form a flush upper surface. The respective lengths of the valleys and the peaks of the two additional container steel floors 100 are identical. Finally, the lap joints of the additional container steel floors 100, i.e., the first lap joint of one additional container steel floor 100 and the second lap joint of another container steel floor, and the intersection with the bottom cross-member, may be connected with the bottom cross-member 50 using self-tapping screws or rivets or bolts, thereby forming the underframe structure of the container.
The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications fall within the scope of the present invention as claimed.
Claims (8)
1. A steel floor assembly for a container, comprising at least two steel floors for a container, wherein the steel floors for a container comprise crest portions, trough portions and connecting portions, the crest portions and the trough portions are arranged along the length direction of the steel floors for the container, the connecting portions connect the crest portions and the trough portions,
a first end lap part is arranged at a first end of one container steel floor in the length direction, a second end lap part is arranged at a second end of the other container steel floor in the length direction, and the first end lap part is configured to be matched with the second end lap part of the other container steel floor so that the upper surfaces of wave crests and the lower surfaces of wave troughs of the whole container steel floor after lap joint are flush;
the first end overlapping part comprises a first end wave trough part, the second end overlapping part comprises a second end wave crest part and a second end wave trough part, the lower surface of the first end wave trough part is higher than the lower surface of the wave trough part, the upper surface of the second end wave crest part is lower than the upper surface of the wave crest part, the upper surface of the second end wave trough part is flush with the upper surface of the wave trough part, and the first end wave trough part is positioned above the second end wave trough part;
in the length direction of the steel floor of the container, the size of the first end wave valley part is equal to that of the second end wave peak part.
2. The container steel floor assembly of claim 1, further comprising an additional container steel floor, a first end of said additional container steel floor being provided with said first end lap and a second end of said additional container steel floor being provided with said second end lap.
3. The container steel floor assembly of claim 2,
the first end lap joint part also comprises a first end crest part and a first end connecting part which is connected with the first end crest part and the first end trough part; the upper surface of the first end connecting part is higher than the upper surface of the connecting part, and the height difference between the upper surface of the first end connecting part and the upper surface of the connecting part is gradually increased from a wave crest to a wave trough;
the second end lap joint part further comprises a second end connecting part connecting the second end crest part and the second end trough part; the upper surface of the second end connecting part is lower than the upper surface of the connecting part, and the height difference between the upper surface of the second end connecting part and the upper surface of the connecting part is gradually reduced from a wave crest to a wave trough.
4. The container steel floor assembly of claim 3, wherein a lower surface of the first end wave trough portion is higher than a lower surface of the wave trough portion by a distance equal to a thickness of the second end wave trough portion, and/or
The upper surface of the second end crest portion is lower than the upper surface of the crest portion by a distance equal to the thickness of the first end crest portion.
5. The container steel floor assembly of claim 1, wherein a lower surface of the first end lap is disposed in correspondence with an upper surface of the second end lap.
6. The container steel floor assembly of claim 1, wherein a distance from an upper surface of said crest portion to a lower surface of said trough portion is less than 28 mm.
7. A container, characterized in that at least two container steel floor assemblies according to any one of claims 1 to 6 are provided in the length direction of the container.
8. A container as claimed in claim 7, including a base beam, the overlap of two of said container steel floors being connected to said base beam by screws or bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930721.7A CN106865045B (en) | 2015-12-14 | 2015-12-14 | Container steel floor assembly and container with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930721.7A CN106865045B (en) | 2015-12-14 | 2015-12-14 | Container steel floor assembly and container with same |
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| Publication Number | Publication Date |
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| CN106865045A CN106865045A (en) | 2017-06-20 |
| CN106865045B true CN106865045B (en) | 2021-04-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278768A (en) * | 1997-11-14 | 2001-01-03 | 沃巴什技术公司 | Coining offset into edge of composite plate members for forming trailer doors and walls |
| CN203320833U (en) * | 2013-05-29 | 2013-12-04 | 江苏龙腾门业有限公司 | Novel roof light absorption shade |
| CN204433494U (en) * | 2015-01-20 | 2015-07-01 | 中集集团集装箱控股有限公司 | Freight container and underframe thereof |
| CN204453425U (en) * | 2015-03-03 | 2015-07-08 | 胜狮货柜管理(上海)有限公司 | A kind of steel floor of container underframe and freight container |
| CN105083804A (en) * | 2014-05-12 | 2015-11-25 | 广东新会中集特种运输设备有限公司 | Splicing steel plates for container and manufacturing method thereof and container |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10081487B2 (en) * | 2012-10-11 | 2018-09-25 | Allied Steel | Secondary containment |
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2015
- 2015-12-14 CN CN201510930721.7A patent/CN106865045B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278768A (en) * | 1997-11-14 | 2001-01-03 | 沃巴什技术公司 | Coining offset into edge of composite plate members for forming trailer doors and walls |
| CN203320833U (en) * | 2013-05-29 | 2013-12-04 | 江苏龙腾门业有限公司 | Novel roof light absorption shade |
| CN105083804A (en) * | 2014-05-12 | 2015-11-25 | 广东新会中集特种运输设备有限公司 | Splicing steel plates for container and manufacturing method thereof and container |
| CN204433494U (en) * | 2015-01-20 | 2015-07-01 | 中集集团集装箱控股有限公司 | Freight container and underframe thereof |
| CN204453425U (en) * | 2015-03-03 | 2015-07-08 | 胜狮货柜管理(上海)有限公司 | A kind of steel floor of container underframe and freight container |
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| CN106865045A (en) | 2017-06-20 |
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