CN111824337A - Binding arrangement structure for mixed loading of two-length containers in cargo hold of container ship - Google Patents
Binding arrangement structure for mixed loading of two-length containers in cargo hold of container ship Download PDFInfo
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- CN111824337A CN111824337A CN202010825343.7A CN202010825343A CN111824337A CN 111824337 A CN111824337 A CN 111824337A CN 202010825343 A CN202010825343 A CN 202010825343A CN 111824337 A CN111824337 A CN 111824337A
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- binding
- container
- containers
- fixed
- cargo hold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/002—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods
- B63B25/004—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods for containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/24—Means for preventing unwanted cargo movement, e.g. dunnage
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ship Loading And Unloading (AREA)
Abstract
The invention relates to a binding arrangement structure for mixed loading of two length containers in a cargo hold of a container ship; the end face of the cargo compartment wall is provided with a plurality of holes corresponding to the size of the end face of the container, and the upper side or the lower side of the edge of each hole is provided with a pair of binding eye rings for fixing one end of a binding rod; when a short container is loaded in the cargo hold, the end face of the container close to the cargo hold wall is a retraction gap away from the cargo hold wall and cannot be fixed by a guide rail on the cargo hold wall; at the moment, one end of a binding rod is bound and fixed with the binding eye ring, and the other end of the binding rod is fixed with a binding hole of the container in the diagonal direction, so that the shorter container is fixed; the part of the cargo hold wall corresponding to the height of each layer of container is provided with an extending platform for the binding operator to walk outwards. The invention meets the requirement of arbitrary mixed loading of two different sizes in the cargo hold, and the stacking weight can not be lost; and binding positions are flexibly arranged according to the actual loading condition, so that the operation is simple and the economical efficiency is good.
Description
Technical Field
The invention relates to a binding arrangement structure for mixed loading of two length containers in a cargo hold of a container ship, belonging to the technical field of arrangement of containers in a cargo hold.
Background
The container guide rail frame is a device which is arranged in the cargo hold of the container ship and is used for fixing the container. The guide rails are like grids, limit the transverse displacement of the container when the ship moves in waves, and play a role in transverse limit.
The guide rail frame of the conventional container ship is fixed at the front end and the rear end of a cargo hold, and the front end and the rear end of a container are clamped in the guide rail to be effectively fixed. The most common container lengths in the prior art are 40 feet and 20 feet, and the cargo hold length and the guide rails are generally designed for loading 1 40-foot container, and 2 20-foot containers can be loaded at the same time, as shown in fig. 1 and 2.
Another relatively large container of the prior art is 45 feet in length, and for a conventional ship with a 40 foot hold, the 45 foot containers can only be loaded on the weather deck above the hold, with a limited number. 45 foot containers are more common in the european market and small branch box shippers who navigate in europe often require the ability to load both 40 foot and 45 foot containers within the cargo hold. This requires that the hold be long enough to accommodate a 45 foot container.
In order to meet the requirements of loading containers with two specifications of 40 feet and 45 feet in a cargo hold, the existing design is generally made on guide rail design, and at present, 2 guide rail frames capable of meeting the requirements of loading containers with 2 specifications of 40 feet and 45 feet are generally arranged, one guide rail frame is a movable guide rail frame, and the other guide rail frame is a fixed ultra-wide guide rail.
Movable guide rail frame: one end of the front and rear guide rail frames of the cargo hold is a conventional fixed guide rail frame, and the other end is a movable guide rail frame. The movable rail frame can be moved to switch over at 2 different positions according to the length of the loaded container (40 feet or 45 feet). When loading a long 45-foot container, the moving rail is placed close to the transverse bulkhead, and when loading a 40-foot container, the rail is moved to a position about 1.5m from the transverse bulkhead, by the connection between the stanchions and the transverse bulkhead. The movable guide rail has a structure similar to that of a conventional guide rail, is generally formed by combining 2 angle steels, bears horizontal transverse force F1 of a container, has an arm of force L1, and has bending moment M1 of F1 multiplied by L1 to the guide rail, and is shown in figure 3. When the movable guide rail frame moves, the connection between the guide rail frame and the ship body needs to be disconnected, then the movable guide rail frame is lifted to another position by using a crane, and finally the movable guide rail frame is fixedly connected with the ship body again, so that the operation is very troublesome.
Fixed super wide guide rail: the difference in length between 40 foot and 45 foot containers is 1.524 meters, if the middle is aligned, the difference between the two ends is 0.762 meter, and the gap between the container and the transverse bulkhead is added, so that two containers can be fixed in the guide rail frame, and the width of the partition plate of the fixed ultra-wide guide rail needs to be more than 1 meter, as shown in fig. 4. When loading a 40 foot box, the point of application of the box to rail force F2 is at the top of the rail, the moment arm is L2, and bending moment M2 is F2 × L2. Assuming that the two forces F1 and F2 are equal, but L2 is much larger (about 3-4 times) than L1, M2 is much larger than M1, which requires the strength of the fixed ultra-wide rail to be much higher. The thickness of the guide rail is calculated according to the strength, the summary is 60 mm, while the conventional guide rail is only 2 angle steels with the thickness of 15mm, and the weight of the conventional guide rail is about 6 times that of the conventional guide rail. Taking the 1400TEU container ship as an example, if the whole ship adopts ultra-wide guide rails, the weight of the whole ship is increased by about 700 tons compared with the weight of an empty ship, the ship cost is greatly improved, and the ship loading capacity is reduced.
In conclusion, the movable guide rail frame has the defects that the movable guide rail frame is inconvenient to move and only can move integrally, and the whole cargo hold can only contain one of 40 feet or 45 feet 2 boxes, and cannot be mixed. Compared with a movable guide rail, the fixed ultra-wide guide rail is convenient to load and operate, does not need to move back and forth, can be randomly mixed in two containers of 40 feet and 45 feet, but has huge increased steel consumption and seriously influences the economy.
Disclosure of Invention
The invention aims to provide a binding arrangement structure suitable for mixed loading of containers with two sizes in a cargo compartment, and the binding arrangement structure is used for solving the defects of inflexible design and operation, high cost and the like on the basis of meeting the container loading requirement of a shipowner.
The invention adopts the following technical scheme:
a binding arrangement structure for mixed loading of two length containers in a cargo hold of a container ship is disclosed, wherein the two length containers are divided into a longer container and a shorter container; the length direction in the cargo hold of the container ship is set to accommodate two longer containers; the end face of the cargo compartment wall is provided with a plurality of holes 1 corresponding to the end face of the container, and the upper side or the lower side of the edge of each hole is provided with a pair of binding eye rings 3 for fixing one end of a binding rod 4; when a shorter container is loaded in the cargo compartment, the end face of the container adjacent to the wall of the cargo compartment is at a retraction gap from the wall of the cargo compartment; one end of a binding rod 4 is bound and fixed with the binding eye ring 3, and the other end of the binding rod is fixed with a binding hole 5 of the container in the diagonal direction, so that a shorter container is fixed and the retraction gap is maintained; the part of the cargo hold wall corresponding to the height of each layer of container is provided with an extending platform 6 for the lashing operator to walk outwards.
The part of the box corresponding to the height is provided with an extending platform 6 outwards for the operator to walk.
Preferably, the binding bars 4 are provided with a pair and arranged crosswise.
Preferably, a plurality of reinforcing ribs 7 are arranged between the extension platform 6 and the cargo bulkhead, and each reinforcing rib 7 is provided with a through hole for a binding operator to pass through.
Preferably, the lower side of each hole edge is provided with the binding eye ring 3, the lower end of the binding rod 4 is bound and fixed with the binding eye ring 3, and the upper end of the binding rod is fixed with the binding hole 5 on the upper part of the container.
Preferably, the lower side of each hole edge is provided with the binding eye ring 3, the lower end of the binding rod 4 is bound and fixed with the binding eye ring 3, and the upper end of the binding rod is fixed with the binding hole 5 at the lower part of the upper layer of container.
Preferably, the two size containers are 40 inch and 45 inch long containers, respectively, and the height and width of the two size containers are the same.
The invention has the beneficial effects that:
1) meet arbitrary mix loading of two different sizes (e.g., 40 and 45 feet) within the cargo hold without loss of stack weight;
2) the binding positions are flexibly arranged according to the actual loading condition, and the operation is simple;
3) compared with an ultra-wide large guide rail, the ultra-wide large guide rail saves a large amount of steel weight and has good economical efficiency.
4) Compared with a movable guide rail frame, the movable guide rail frame is not needed, a crane is not needed, and the operation is simpler and more convenient.
Drawings
Fig. 1 is a schematic perspective view of a container rail frame in the prior art.
Fig. 2 is a schematic view of the container rail rack of fig. 1 storing containers therein.
Fig. 3 is a partial top view of a moveable rack for storing 40 inch containers.
Fig. 4 is a comparison of top views of the fixed ultra-wide guide rails storing 45 inch and 40 inch containers.
Fig. 5 is an overall profile view of a lashing arrangement for hybrid loading of two length containers within a cargo compartment of a container ship according to the present invention.
Fig. 6 is a partially enlarged view of fig. 5.
In the figure, 1 is a hole, 3 is a binding eye ring, 4 is a binding rod, 5 is a binding hole, and 6 is an extension platform.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 5 to 6, a lashing arrangement structure for hybrid loading of two length containers in a cargo compartment of a container ship, the two length containers being divided into a longer container and a shorter container; the length direction in the cargo hold of the container ship is set to accommodate two longer containers; the end face of the cargo compartment wall is provided with a plurality of holes 1 corresponding to the end face of the container, and the upper side or the lower side of the edge of each hole is provided with a pair of binding eye rings 3 for fixing one end of a binding rod 4; when a shorter container is loaded in the cargo compartment, the end face of the container adjacent to the wall of the cargo compartment is at a retraction gap from the wall of the cargo compartment; one end of a binding rod 4 is bound and fixed with the binding eye ring 3, and the other end of the binding rod is fixed with a binding hole 5 of the container in the diagonal direction, so that a shorter container is fixed and the retraction gap is maintained; the part of the cargo hold wall corresponding to the height of each layer of container is provided with an extending platform 6 for the lashing operator to walk outwards.
In this embodiment, referring to fig. 6, the ligating bars 4 have a pair and are arranged crosswise.
Referring to fig. 6, a plurality of reinforcing ribs 7 are arranged between the extension platform 6 and the bulkhead, and each reinforcing rib 7 is provided with a through hole for a lashing operator to pass through.
In this embodiment, referring to fig. 6, the lower side of each hole edge is provided with the binding eye 3, the lower end of the binding rod 4 is bound and fixed with the binding eye 3, and the upper end is fixed with the binding hole 5 at the upper part of the container.
With reference to fig. 6, the binding eyes 3 are arranged at the lower side of the edge of each hole, the lower ends of the binding rods 4 are bound and fixed with the binding eyes 3, and the upper ends of the binding rods are fixed with the binding holes 5 at the lower part of the upper layer of container.
In this embodiment, the two size containers are 40 inch and 45 inch long containers, respectively, and the height and width of the two size containers are the same.
The patent is based on the conventional guide rail adopted in the cargo hold, and is combined with proper binding and fastening to meet the requirements that 40-foot and 45-foot containers are mixed and loaded in the cargo hold without reducing the loading and stacking weight. The traditional concept that only containers on the weather deck need to be bound and the containers in the cargo hold do not need to be bound is broken through.
Specifically, again with reference to fig. 5-6, the following is specifically exemplified:
the mixed loading and binding system for the cargo hold 40 and the 45-foot container comprises two parts: a guide rail and a binding. The rail system is used to secure 45 foot containers. For a loaded 40 foot container, the banding pattern is determined by banding calculation according to the box weight, loading position and the like, and where the banding is needed is realized.
Guide rail: the guide rails are conventionally designed and are typically assembled from 2 150mm by 15mm angle steel and are secured to the front and rear transverse bulkheads of each hold by toggle plates to secure 45 foot containers. The inner part of the transverse bulkhead and the corresponding position of the guide rail are provided with a vertical structure strong member to bear the acting force of the container transmitted by the guide rail.
Binding piece: the 40-foot container can not be clamped in the guide rail due to the short length, and the 40-foot container needs to be bound so as not to reduce the stacking weight. And a binding eye ring 3 is arranged at the position of each layer of platform of the transverse bulkhead close to the vertical structural strong member, and the 40-foot container is fixed on the binding eye ring through a binding rod.
Except for the vertical structural strong members corresponding to the guide rails, a platform (shown in figures 5-6) is required to be arranged in the horizontal direction of the transverse bulkhead of the cargo hold for wharf workers to pass and perform binding operation. The cross bulkhead is provided with large holes except for the vertical members and the platform, so that workers can stand on the platform conveniently to operate the container. In order to make the mixed loading of 40 and 45 foot containers more flexible, it is desirable to be able to tie up the 40 foot containers in every location that may occur. The height of the platform is generally consistent with that of the container, each layer of container is provided with a corresponding platform, and binding eye rings are arranged at each position.
The invention breaks through the traditional concept that the containers in the cargo hold can not be bound, and skillfully combines the conventional guide rail and the pull rod type binding together to form a binding system suitable for the mixed loading of the containers with different lengths; the cargo hold can be loaded in a randomly mixed manner with two different sizes, and the stacking weight can not be lost; the binding positions are flexibly arranged according to the actual loading condition, and the operation is simple; compared with an ultra-wide large guide rail, the ultra-wide large guide rail saves a large amount of steel weight and has good economical efficiency; compared with a movable guide rail frame, the movable guide rail frame is not needed, a crane is not needed, and the operation is simpler and more convenient.
While the preferred embodiments of the present invention have been described, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (6)
1. The utility model provides a ligature arrangement structure that two kinds of length containers mix loading in container ship cargo hold which characterized in that:
the containers with two lengths are divided into a longer container and a shorter container; the length direction in the cargo hold of the container ship is set to accommodate two longer containers;
the end face of the cargo compartment wall is provided with a plurality of holes (1) corresponding to the size of the end face of the container, and the upper side or the lower side of the edge of each hole is provided with a pair of binding eye rings (3) for fixing one end of a binding rod (4);
when a shorter container is loaded in the cargo compartment, the end face of the container adjacent to the wall of the cargo compartment is at a retraction gap from the wall of the cargo compartment;
one end of a binding rod (4) is bound and fixed with the binding eye ring (3), and the other end of the binding rod is fixed with a binding hole (5) of the container in the diagonal direction, so that the shorter container is fixed and the retraction gap is maintained;
the part of the cargo hold wall corresponding to the height of each layer of container is provided with an extending platform (6) for the lashing operator to walk outwards.
2. A lashing arrangement for hybrid loading of two length containers within a cargo compartment of a container ship according to claim 1, wherein: the binding rods (4) are provided with a pair and are arranged in a crossed manner.
3. A lashing arrangement for hybrid loading of two length containers within a cargo compartment of a container ship according to claim 1, wherein: a plurality of reinforcing rib plates (7) are arranged between the extension platform (6) and the cargo bulkhead, and through holes for binding operators to pass through are formed in the reinforcing rib plates (7).
4. A lashing arrangement for hybrid loading of two length containers within a cargo compartment of a container ship according to claim 1, wherein: the lower side of each hole edge is provided with the binding eye ring (3), the lower end of the binding rod (4) is bound and fixed with the binding eye ring (3), and the upper end of the binding rod is fixed with the binding hole (5) on the upper part of the container.
5. A lashing arrangement for hybrid loading of two length containers within a cargo compartment of a container ship according to claim 1, wherein: the lower side of each hole edge is provided with the binding eye ring (3), the lower end of the binding rod (4) is bound and fixed with the binding eye ring (3), and the upper end of the binding rod is fixed with the binding hole (5) at the lower part of the upper layer of container.
6. A lashing arrangement for hybrid loading of two length containers within a cargo compartment of a container ship according to claim 1, wherein: the two sizes of containers are 40 inch and 45 inch long containers, respectively, and the height and width of the two sizes of containers are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825343.7A CN111824337A (en) | 2020-08-17 | 2020-08-17 | Binding arrangement structure for mixed loading of two-length containers in cargo hold of container ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825343.7A CN111824337A (en) | 2020-08-17 | 2020-08-17 | Binding arrangement structure for mixed loading of two-length containers in cargo hold of container ship |
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| Publication Number | Publication Date |
|---|---|
| CN111824337A true CN111824337A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010825343.7A Pending CN111824337A (en) | 2020-08-17 | 2020-08-17 | Binding arrangement structure for mixed loading of two-length containers in cargo hold of container ship |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460242A (en) * | 2021-07-23 | 2021-10-01 | 中国舰船研究设计中心 | Locking and positioning system for ship transport vehicle |
| CN113525601A (en) * | 2021-08-10 | 2021-10-22 | 中集船舶海洋工程设计研究院有限公司 | Telescopic guide rail frame mechanism and container ship cargo hold |
| CN113820156A (en) * | 2021-08-27 | 2021-12-21 | 江苏环海机械科技有限公司 | Functional size detection experiment system platform for container ship binding piece |
| CN115214848A (en) * | 2022-07-21 | 2022-10-21 | 广州文冲船厂有限责任公司 | Ship cargo hold and container ship |
-
2020
- 2020-08-17 CN CN202010825343.7A patent/CN111824337A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460242A (en) * | 2021-07-23 | 2021-10-01 | 中国舰船研究设计中心 | Locking and positioning system for ship transport vehicle |
| CN113460242B (en) * | 2021-07-23 | 2022-08-02 | 中国舰船研究设计中心 | Locking and positioning system for ship transport vehicle |
| CN113525601A (en) * | 2021-08-10 | 2021-10-22 | 中集船舶海洋工程设计研究院有限公司 | Telescopic guide rail frame mechanism and container ship cargo hold |
| CN113820156A (en) * | 2021-08-27 | 2021-12-21 | 江苏环海机械科技有限公司 | Functional size detection experiment system platform for container ship binding piece |
| CN115214848A (en) * | 2022-07-21 | 2022-10-21 | 广州文冲船厂有限责任公司 | Ship cargo hold and container ship |
| CN115214848B (en) * | 2022-07-21 | 2023-06-20 | 广州文冲船厂有限责任公司 | Ship cargo hold and container ship |
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