Electrified railway concrete strut marine transportation packaging structure

By using a combination of limiting wooden frames, steel bands, wooden wedges, and fixing straps to position and fix the concrete pillars, the problem of damage during sea transport was solved, and the stability and safety of the concrete pillars were improved.

CN224131876UActive Publication Date: 2026-04-17CHINA HARBOUR ENGINEERING +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA HARBOUR ENGINEERING
Filing Date
2025-04-22
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

During sea transport, ring-shaped concrete pillars are prone to damage such as surface abrasions, chipping, exposed reinforcement, cracks, and squeezing due to loading and unloading operations, wave impact, turbulence, and humid environments, which cannot guarantee the quality and safety of transportation.

Method used

A combination of a limiting wooden frame, steel straps, wooden wedges, fixing straps, and limiting plates is used to initially position and fix the concrete pillars. The steel straps provide strong binding force, the wooden wedges fill the gaps between the pillars, the fixing straps connect to the container, and the limiting plates and limiting wooden rods enhance stability and reduce shaking and collisions.

Benefits of technology

It effectively prevents concrete pillars from shifting and colliding during sea transport, reduces the risk of surface wear, improves transportation stability and safety, and ensures loading and unloading accuracy and integrity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a marine transportation packaging structure for concrete pillars of an electrified railway, which is used for solving the problem that the surfaces of the concrete pillars are extremely easy to damage in the marine transportation process. An electrified railway concrete pillar marine transportation packaging structure comprises a plurality of limiting wooden frames, the limiting wooden frames are arranged on two parallel concrete pillars in a sleeving mode, steel belt grooves are formed in the limiting wooden frames in the circumferential direction, steel belts are arranged in the steel belt grooves, the steel belts are connected end to end to surround the limiting wooden frames, and cloth liners are arranged between the limiting wooden frames and the concrete pillars. Isosceles triangle wooden wedges are arranged between the concrete supporting columns, the bevel edges of the wooden wedges abut against the side walls of the concrete supporting columns, the bottom edges of the wooden wedges abut against the limiting wooden frames, fixing belts are wound around the concrete supporting columns, and the two ends of the fixing belts are fixed to the two sides of the container respectively. According to the utility model, the concrete support can be limited from shaking in the container, and the stability in the transportation process is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of transport packaging technology, and in particular to a marine packaging structure for concrete pillars of electrified railways. Background Technology

[0002] With globalization, railway construction projects are constantly advancing around the world. When constructing electrified railways overseas, the main components of the overhead contact system – ring-shaped concrete supports – need to be transported by sea to their destination. Due to its large capacity, high volume, and low cost, sea freight has become a major mode of transport in international trade. However, due to the characteristics of ring-shaped concrete supports, they face various challenges during sea transport, such as loading and unloading operations, wave impacts, turbulence, and humid environments. These factors can easily cause collisions between the supports, between the supports and container walls, or directly with the ship's hull. This results in surface scratches, chipping, exposed reinforcement, cracks, and crushing damage to the ring-shaped concrete supports, compromising their quality and safety during transportation. Utility Model Content

[0003] This utility model proposes a marine packaging structure for concrete pillars of electrified railways, which solves the problem that the surface of concrete pillars is easily damaged during sea transport.

[0004] The technical solution of this utility model is implemented as follows:

[0005] A marine packaging structure for concrete pillars used in electrified railways includes multiple limiting wooden frames, each frame fitted onto two parallel concrete pillars. The limiting wooden frames have circumferential steel band grooves containing steel bands connected end-to-end to surround the limiting wooden frames. A pad is placed between the limiting wooden frames and the concrete pillars. Isosceles triangular wooden wedges are placed between the concrete pillars, with the hypotenuse of the wedges abutting the sidewalls of the concrete pillars and the base of the wedges abutting the limiting wooden frames. Fixing straps are wrapped around the concrete pillars, with both ends of the straps fixed to the sides of the container.

[0006] Furthermore, the container is equipped with a limiting plate, which includes a fixed plate. One end of the fixed plate, near the concrete pillars, is fixedly connected to a support plate via multiple pillars. The fixed plate has multiple telescopic countersunk holes, and the support plate has through holes corresponding to these countersunk holes. A limiting rod slides within the countersunk holes, passing through the support plate, and is abutted against the interior of the countersunk hole by a spring. The limiting plate can limit the movement of goods from multiple directions, including front-back, left-right, etc., providing a more comprehensive securing effect and effectively reducing shaking and collisions of goods during transportation.

[0007] Furthermore, a limiting wooden rod is fixed to the side wall at the bottom of the limiting wooden frame, with both ends of the limiting wooden rod abutting against the inner wall of the container. The limiting wooden rod can reduce the swaying and collision of the support column during transportation, helping to reduce the risk of wear and damage to the surface of the support column.

[0008] Furthermore, the limiting plates are in two sets, one of which abuts against the container via a telescopic device. The two sets of limiting plates can restrict the cargo from multiple directions, providing a more comprehensive securing effect and reducing collisions and wear during transportation.

[0009] Furthermore, there are two limiting wooden rods, one on each side of the wooden frame, which cooperate with the frame to form a lifting groove. The lifting groove provides a clear insertion position for the forklift, reducing operational errors caused by positioning deviations and improving loading and unloading accuracy.

[0010] Furthermore, the ends of the concrete pillars are all wrapped and fixed with packaging cloth.

[0011] The beneficial effects of this technical solution are as follows: This utility model, through the cooperation of the limiting wooden frame and the steel strap, can initially position and fix the concrete pillars, preventing significant displacement during packaging and transportation. The isosceles triangular wooden wedges effectively fill the gaps between the concrete pillars, preventing adjacent pillars from colliding during transport. The steel strap within the groove provides strong binding force to the limiting wooden frame, enhancing its stability and preventing displacement or detachment. After being wrapped with a fixing strap around the concrete pillar and connected to the container, the movement of the concrete pillar within the container is further restricted, ensuring stability during transportation. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention in use;

[0014] Figure 2 A three-dimensional structural diagram of a concrete pillar being loaded into a shipping container;

[0015] Figure 3 A three-dimensional structural diagram of a concrete pillar during its packaging.

[0016] Figure 4 A schematic diagram of the three-dimensional structure of the limiting wooden frame;

[0017] Figure 5 This is a side view of the limiting wooden frame;

[0018] Figure 6 This is a schematic diagram of the three-dimensional structure of the limiting plate;

[0019] Figure 7 This is a partial sectional view of the limiting plate.

[0020] The components include: 1. Limiting wooden frame, 2. Concrete support column, 3. Steel strip groove, 4. Steel strip, 5. Wooden wedge, 6. Fixing strip, 7. Fixing plate, 8. Support plate, 9. Telescopic countersunk hole, 10. Through hole, 11. Limiting rod, 12. Spring, 13. Limiting wooden rod, 14. Telescopic device, 15. Lifting groove, 16. Packaging cloth. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figure 1-5 As shown, a marine packaging structure for electrified railway concrete pillars includes multiple limiting wooden frames 1, each of which is fitted onto two parallel concrete pillars 2. The limiting wooden frames 1 have circumferential steel band grooves 3, and steel bands 4 are installed within the grooves 3. The steel bands 4 are connected end-to-end, surrounding the limiting wooden frames 1. A pad is placed between the limiting wooden frames 1 and the concrete pillars 2. An isosceles triangular wooden wedge 5 is placed between the concrete pillars 2, with the hypotenuse of the wedge 5 abutting against the sidewall of the concrete pillar 2 and the base of the wedge 5 abutting against the limiting wooden frames 1. A fixing strap 6 is wrapped around the concrete pillar 2, with both ends of the strap fixed to the sides of the container.

[0023] During use, a pad is placed on the surface of the concrete support 2, and multiple limiting wooden frames 1 are evenly distributed and fitted onto two parallel concrete supports 2. The limiting wooden frames 1 can initially position and fix the concrete supports 2, preventing them from shifting significantly during packaging. The pad reduces the direct pressure of the limiting wooden frames 1 on the surface of the concrete supports 2, preventing the surface of the concrete supports 2 from being scratched or damaged by the limiting wooden frames 1. At the same time, isosceles triangular wooden wedges 5 are placed between the concrete supports 2. Then, a handheld steel strapping machine is used to wrap steel straps 4 into the limiting grooves on the limiting wooden frames 1. The strong binding force provided by the steel straps 4 can enhance the stability of the limiting wooden frames 1 and prevent the connection of the limiting wooden frames 1 from breaking. At the same time, the pre-tightening force applied by the steel straps 4 to the limiting wooden frames 1 can make the limiting wooden frames 1 press the wooden wedges 5. The wooden wedges 5 can effectively fill the gaps between the concrete supports 2, preventing adjacent concrete supports 2 from colliding with each other during transportation. The steel strap grooves 3 can prevent the steel straps 4 from moving and falling off. After the concrete support column 2 is packaged in the limiting wooden frame 1, the fixing strap 6 is wrapped around the concrete support column 2. After the concrete support column 2 is placed in the container, the two ends of the fixing strap 6 are wrapped around and fixed to the adjacent fixed columns respectively. The fixing strap 6 is tensioned by a ratchet tensioner to keep the concrete support column 2 stable inside the container and prevent it from shaking or shifting during sea transport, thus ensuring the safe transportation of goods. The handheld steel strapping machine and ratchet tensioner are both existing technologies.

[0024] like Figure 2 , 6 As shown in Figure 7, the container is equipped with a limiting plate, which includes a fixed plate 7. The end of the fixed plate 7 near the concrete pillar 2 is fixedly connected to a support plate 8 through multiple pillars. The fixed plate 7 is provided with multiple telescopic countersunk holes 9. The support plate 8 is provided with through holes 10 corresponding to the telescopic countersunk holes 9. A limiting rod 11 slides in the telescopic countersunk hole 9. The limiting rod passes through the support plate 8. The limiting rod 11 abuts against the inside of the telescopic countersunk hole 9 through a spring 12.

[0025] After placing the concrete support column 2 inside the container, a limiting plate consisting of a fixing plate 7 and a support plate 8 is installed inside the container, with the support plate 8 close to the end of the concrete support column 2. By moving the position of the fixing plate 7, the end of the concrete support column abuts against the local limiting rod 11, causing the limiting rod 11 to compress the spring 12. At this time, the pushed limiting rod 11 forms a recessed area, and the side wall of the limiting rod 11 connected to the recessed area abuts against the side wall of the end of the concrete support column 2, thereby restricting the multi-directional movement of the concrete support column 2. At the same time, the limiting rod 11 in the recessed area uses the spring 12 to apply a pushing force to the end of the concrete support column 2, restricting the concrete support column 2 from sliding along its axial direction. The position of the fixing plate 7 is adjusted appropriately according to the size of the concrete support column 2 to ensure that the limiting rod 11 can effectively limit the concrete support column 2. Once the fixing plate 7 is moved to the appropriate position, it can be fixed by a fastener. The structure of the fastener is not limited and can achieve the effect of fixing the fixing plate 7. For example, a nut can be set inside the container, a corresponding connecting plate can be set on the fastener, and a bolt can be used to fix the connecting plate and the nut.

[0026] like Figure 2-5 As shown, a limiting wooden rod 13 is fixed to the side wall at the bottom of the limiting wooden frame 1, and both ends of the limiting wooden rod 13 abut against the inner wall of the container. The abutment of the limiting wooden rod 13 against the inner wall of the container can effectively prevent the limiting wooden frame 1 from lateral displacement during transportation, thereby enhancing the stability of the entire packaging structure. Furthermore, the abutment of the bottom surface of the limiting wooden rod 13 against the container increases the contact area between the limiting wooden frame 1 and the container, improves the friction, and further enhances the stability of the concrete support 2. Moreover, the limiting wooden frame 1 and the limiting wooden rod 13 have a simple structure, are easy to manufacture and install, and reduce production costs and operational difficulties.

[0027] like Figure 2 As shown, there are two sets of limiting plates, one set of which abuts against the container via a telescopic device 14. The structure of the telescopic device 14 is not limited, but is preferably an existing spiral telescopic rod or hydraulic rod, etc. The limiting plate abuts against the inner wall of the container via the spiral telescopic rod, effectively preventing the limiting plate from swaying or shifting during transportation, providing stable support, and ensuring transportation safety. The telescopic device 14 allows for quick adjustment of the limiting plate's position, facilitating the transportation of concrete pillars 2 of different lengths.

[0028] like Figure 1-5As shown, there are two limiting wooden rods 13, which are respectively set on both sides of the wooden frame. The limiting wooden rods 13 cooperate with the wooden frame to form a lifting groove 15. By setting the limiting wooden rods 13 on both sides of the limiting wooden frame 1 to form the lifting groove 15, the forklift forks can be directly inserted into the lifting groove 15 without additional adjustment or fixing, which greatly shortens the loading and unloading time. The lifting groove 15 can prevent the forklift from directly contacting the surface of the concrete support 2, thereby reducing the scratches and damage to the support during transportation and protecting the integrity of the support.

[0029] like Figure 2 As shown, the ends of the concrete pillars 2 are all wrapped and fixed with packaging cloth 16. The ends of the concrete pillars 2 are easily damaged by collisions or friction during transportation. The packaging cloth 16 can effectively protect the ends and reduce damage caused by collisions or friction.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A marine packaging structure for an electrified railway concrete support post, characterized by: The container includes multiple limiting wooden frames (1), each of which is fitted onto two parallel concrete pillars (2). The limiting wooden frames (1) have steel strip grooves (3) around their circumference, and steel strips (4) are provided inside the steel strip grooves (3). The steel strips (4) are connected end to end to surround the limiting wooden frames (1). A pad is provided between the limiting wooden frames (1) and the concrete pillars (2). An isosceles triangular wooden wedge (5) is provided between the concrete pillars (2). The hypotenuse of the wooden wedge (5) abuts against the side wall of the concrete pillar (2), and the bottom edge of the wooden wedge (5) abuts against the limiting wooden frames (1). A fixing strap (6) is wrapped around the concrete pillar (2), and the two ends of the fixing strap (6) are fixed to the two sides of the container respectively.

2. A sea packaging structure for an electrified railway concrete support pillar according to claim 1, characterized in that: The container is equipped with a limiting plate, which includes a fixed plate (7). The end of the fixed plate (7) near the concrete pillar (2) is fixedly connected to a support plate (8) through multiple pillars. The fixed plate (7) is provided with multiple telescopic countersunk holes (9). The support plate (8) is provided with through holes (10) corresponding to the telescopic countersunk holes (9). A limiting rod (11) slides in the telescopic countersunk hole (9). The limiting rod passes through the support plate (8). The limiting rod (11) abuts against the inside of the telescopic countersunk hole (9) through a spring (12).

3. The marine packaging structure for concrete pillars of electrified railways according to claim 1, characterized in that: The bottom side wall of the limiting wooden frame (1) is fixed with a limiting wooden rod (13), and both ends of the limiting wooden rod (13) abut against the inner wall of the container.

4. A sea-packing structure of a concrete support for an electrified railway according to claim 2, wherein: The limiting plates are in two sets, one of which abuts against the container via a telescopic device (14).

5. A sea-packing structure of a concrete support for an electrified railway according to claim 3, wherein: The limiting wooden rods (13) are two in number, and the two limiting wooden rods (13) are respectively set on both sides of the wooden frame. The limiting wooden rods (13) cooperate with the wooden frame to form a lifting groove (15).

6. A sea-packing structure of a concrete support for an electrified railway according to claim 1, wherein: The ends of the concrete pillars (2) are all wrapped with packaging cloth (16).