Quick tightener for fixing ship cargoes
By designing a structure that includes a crossbeam, support column, reel, ratchet, and connecting rod, and equipped with an automatic lubrication mechanism and reset component, the problems of inconvenient lubrication and cumbersome operation of traditional tensioners are solved, achieving rapid and stable fixation of goods and long service life of the equipment.
Patent Information
- Application Number
- CN202520552282.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-26
AI Technical Summary
Traditional ship cargo tensioners lack convenient automatic lubrication mechanisms, are cumbersome to operate, lack stability, are prone to component wear due to negligence, and cannot respond quickly in emergency situations.
A structure including a crossbeam, a support column, a reel, a ratchet, and a connecting rod is designed, equipped with an automatic lubrication mechanism and a reset component. The cargo is fixed by the meshing of the ratchet groove with the ratchet, and the rotating connection position is automatically lubricated when the connecting rod is pulled up. The automatic supply of lubricating oil is achieved by using a piston rod and a piston head.
It enables rapid and secure securing of cargo, reduces manual lubrication costs, improves operational convenience and equipment lifespan, and ensures stability and anti-loosening function during ship turbulence.
Smart Images

Figure CN223791690U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of marine equipment technology, and in particular to a quick-tightening device for securing marine cargo. Background Technology
[0002] A quick-release cargo securing device is a key piece of equipment used in the shipping industry, specifically designed to securely fasten cargo to the deck or hold of a ship. During navigation, cargo is prone to displacement due to factors such as wind and waves. This securing device ensures cargo stability through a quick and effective tightening operation, guaranteeing safe navigation.
[0003] Traditional ship cargo tensioners often lack convenient and effective automatic lubrication mechanisms, requiring manual application of lubricating oil periodically, which is labor-intensive and time-consuming. Negligence can also lead to untimely lubrication of components, increasing wear and shortening the equipment's lifespan. In terms of ease of operation, traditional tensioners mostly rely on a single manual operation method, which is cumbersome and makes it difficult to quickly tighten and secure cargo, leaving them unable to respond promptly in emergencies. Furthermore, they are inadequate in preventing misoperation and ensuring equipment stability, lacking reliable reset and anti-loosening structures, making them prone to accidental loosening during shipboard rocking, affecting cargo securing effectiveness. Utility Model Content
[0004] The purpose of this utility model is to provide a quick-release tensioner for securing ship cargo, which solves the problems of inconvenient lubrication, cumbersome operation, and insufficient stability of traditional ship cargo tensioners.
[0005] This utility model is achieved through the following technical solution:
[0006] A quick-release carrier for securing ship cargo includes a crossbeam and symmetrically fixed supports on the sides of the crossbeam. A spool is rotatably connected between the two supports, and a ratchet is fixedly connected to the end of the spool. A connecting rod is provided above the crossbeam, and the end of the connecting rod is provided with a ratchet groove that can engage with the ratchet. A reset member is provided between the connecting rod and the crossbeam. A lubrication mechanism is also provided on the supports for lubricating the rotatable connection between the spool and the supports.
[0007] Preferably, the support column has a first cavity for containing lubricating oil, the spool passes through the first cavity, and the spool has a second cavity. The outer wall of the spool has an opening that connects the first cavity and the second cavity. The lubrication mechanism includes a piston rod fixed to the connecting rod and passing through the first cavity. One end of the piston rod is fixed to the connecting rod, and the other end of the piston rod is fixedly connected to a piston head. When the connecting rod is pulled upward, the lubricating oil in the first cavity passes through the second cavity to achieve lubrication of the rotating connection position.
[0008] Preferably, there are multiple openings, and the multiple openings are evenly distributed on the roll.
[0009] Preferably, the reset element is a spring.
[0010] Preferably, the spring is sleeved on the outer edge of the piston rod.
[0011] Preferably, on both sides of the second cavity, sealing rings for preventing lubricating oil leakage are fixedly connected to the spool.
[0012] Preferably, a base plate is fixedly connected to the end of the support near the deck.
[0013] Preferably, a baffle is fixedly connected to the connecting rod.
[0014] Compared with existing technologies, this invention has the following advantages and beneficial effects: The crossbeam and support column of this invention form a stable support structure, making the rotation of the reel more stable. The ratchet connected to the end of the reel engages with the ratchet groove at the end of the connecting rod. When the connecting rod is lowered so that the ratchet groove engages with the ratchet, it effectively prevents the reel from reversing, ensuring that the cargo remains in a tightened and fixed state during the ship's turbulence. At the same time, the reset component, such as a spring, set between the connecting rod and the crossbeam can automatically reset after the connecting rod is pulled up, facilitating the next operation and improving operational convenience. The lubrication mechanism on the support column, when the connecting rod is pulled up, can use the movement of the piston rod and piston head to allow lubricating oil to enter the second cavity from the first cavity through the opening, achieving automatic lubrication of the rotating connection between the reel and the support column, reducing the cost and risk of manual lubrication, effectively reducing component wear, and extending the service life of the equipment. Attached Figure Description
[0015] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the ratchet and ratchet groove of this utility model;
[0018] Figure 3 for Figure 1 Enlarged view of point A;
[0019] Figure 4 This is a schematic diagram of the scroll and opening of this utility model.
[0020] The reference numerals in the attached figures represent:
[0021] 10. Crossbeam; 101. First cavity; 102. Support column; 11. Base; 12. Reel; 121. Second cavity; 122. Opening; 13. Sealing ring; 14. Connecting rod; 141. Racket groove; 142. Baffle; 15. Piston rod; 151. Piston head; 16. Ratchet. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word covers the elements or objects listed after the word and their equivalents, without excluding other elements or objects.
[0023] Example 1:
[0024] like Figures 1 to 4 As shown, a quick-release carrier for securing ship cargo includes a crossbeam 10 and symmetrically fixed supports 102 on the sides of the crossbeam 10. A spool 12 is rotatably connected between the two supports 102. A ratchet 16 is fixedly connected to the end of the spool 12. A connecting rod 14 is provided above the crossbeam 10. The end of the connecting rod 14 is provided with a ratchet groove 141 that can engage with the ratchet 16. A reset member is provided between the connecting rod 14 and the crossbeam 10. A lubrication mechanism is also provided on the supports 102 for lubricating the rotatable connection between the spool 12 and the supports 102.
[0025] This invention aims to solve the problems of inconvenient lubrication, cumbersome operation, and insufficient stability of traditional ship cargo tensioners. A connecting component for attaching cargo straps should be provided on the basic structure of the crossbeam 10 and the symmetrically fixed support columns 102 on its sides. This component can be a hook or a ring-shaped connecting buckle. During operation, rotating the reel 12 tightens the cargo straps, lowering the connecting rod 14 so that the ratchet groove 141 engages with the ratchet wheel 16, preventing the reel 12 from reversing and achieving secure cargo fixation. The reset component (such as a spring) between the connecting rod 14 and the crossbeam 10 automatically resets after the connecting rod 14 is pulled up, facilitating subsequent operations. When the connecting rod 14 is pulled up, the lubrication mechanism on the support column 102 is activated. The piston rod 15 drives the piston head 151 to move within the first cavity 101, causing lubricating oil to enter the second cavity 121 from the first cavity 101 through the opening 122, automatically lubricating the rotating connection between the reel 12 and the support column 102, reducing component wear. For the lubrication mechanism, a pressure pump can be installed in the first cavity 101, and the pressure pump is triggered by the movement of the connecting rod 14 to deliver lubricating oil; the reset component can also be made of elastic rubber instead of spring.
[0026] In this embodiment, the support column 102 has a first cavity 101 for containing lubricating oil inside, the spool 12 passes through the first cavity 101, and the spool 12 has a second cavity 121 inside. The outer wall of the spool 12 has an opening 122, which connects the first cavity 101 and the second cavity 121. The lubrication mechanism includes a piston rod 15 fixed on the connecting rod 14 and passing through the first cavity 101. One end of the piston rod 15 is fixed to the connecting rod 14, and the other end of the piston rod 15 is fixedly connected to a piston head 151. When the connecting rod 14 is pulled up, the lubricating oil in the first cavity 101 passes through the second cavity 121 to achieve lubrication of the rotating connection position.
[0027] Based on the first and second cavities 121 already constructed inside the support column 102 and the reel 12, it is necessary to ensure a good seal at the cavity connection to prevent lubricating oil leakage. When the connecting rod 14 is pulled upward, the piston rod 15 drives the piston head 151 to move within the first cavity 101, causing a pressure change within the first cavity 101. Under the action of the pressure difference, lubricating oil flows from the first cavity 101 into the second cavity 121 through multiple evenly distributed openings 122, thereby precisely lubricating the rotating connection between the reel 12 and the support column 102. In the scenario of continuous turbulence on a ship, this design can ensure a stable supply of lubricating oil and reduce component wear. Regarding the distribution of the openings 122, a non-uniform but targeted distribution can also be adopted according to the wear condition of the rotating connection, focusing on lubricating easily worn parts.
[0028] In this embodiment, there are multiple openings 122, and these openings 122 are evenly distributed on the roller 12. This allows the lubricating oil to cover the rotating connection parts more evenly and comprehensively, avoiding lubrication dead zones, further reducing component wear, and extending the service life of the equipment.
[0029] In this embodiment, the reset element is a spring. When the connecting rod 14 is pulled up, the ratchet groove 141 disengages from the ratchet wheel 16, and the spring is stretched to store elastic potential energy. After the connecting rod 14 is released, the spring releases its elastic potential energy, causing the connecting rod 14 to quickly reset, allowing the ratchet groove 141 to re-engage with the ratchet wheel 16. In scenarios where ship cargo is frequently fixed and adjusted, the spring, as a reset element, has the advantages of rapid response and stable reset, greatly improving operational efficiency. As an alternative, a torsion spring can be used instead of a tension spring to achieve the same reset function.
[0030] In this embodiment, the spring is sleeved on the outer edge of the piston rod 15. When the connecting rod 14 is pulled up, the spring stretches, and at the same time, the piston rod 15 drives the piston head 151 to move and start the lubrication mechanism; when the connecting rod 14 is released, the spring returns to its original position and drives the connecting rod 14 to fall back down. The whole process is smooth and compact.
[0031] Work process:
[0032] First, securely install the tensioner on the ship's deck via the base plate, and connect the cargo lashing straps to the reel 12. Rotate the reel 12 to tighten the cargo lashing straps. Once the desired position is reached, lower the connecting rod 14, allowing the ratchet groove 141 to engage with the ratchet wheel 16 to secure the reel 12. When adjustment is needed, pull up the connecting rod 14, disengaging the ratchet groove 141 from the ratchet wheel 16. Simultaneously, this activates the piston rod 15, engaging the lubrication mechanism to lubricate the rotating connection between the reel 12 and the support column 102. During the pulling up of the connecting rod 14, the spring is stretched. After releasing the connecting rod 14, the spring returns to its original position, causing the connecting rod 14 to fall back down, allowing the ratchet groove 141 to re-engage with the ratchet wheel 16. Furthermore, components such as the sealing ring 13 prevent lubricant leakage, and the baffle 142 prevents debris from affecting the equipment's operation, ensuring the entire tensioner stably and efficiently completes the cargo securing and tightening work.
[0033] Example 2:
[0034] In this embodiment, sealing rings 13 for preventing lubricating oil leakage are fixedly connected to the roller 12 on both sides of the second cavity 121. The sealing rings 13 effectively prevent lubricating oil leakage, avoid insufficient lubrication due to lubricating oil loss, and prevent leaked lubricating oil from contaminating cargo and ship deck. Regarding the material of the sealing rings 13, different materials such as nitrile rubber and fluororubber can be selected as alternatives depending on the type of lubricating oil and factors such as temperature and humidity of the ship's operating environment.
[0035] In this embodiment, a base plate is fixedly connected to the end of the support column 102 near the deck. The base plate is firmly fixed to the deck using bolts or welding to ensure connection strength. During ship navigation, the base plate increases the contact area with the deck, distributing equipment pressure and effectively preventing equipment displacement due to ship turbulence, thus ensuring smooth cargo securing operations.
[0036] In this embodiment, a baffle 142 is fixedly connected to the connecting rod 14. During the cargo securing operation on the ship, the baffle 142 can prevent debris from falling into the connection between the connecting rod 14 and components such as the crossbeam 10 and ratchet 16, thus avoiding affecting the normal operation of the equipment; at the same time, the operator can quickly locate the position of the connecting rod 14 through the baffle 142, which facilitates operation.
[0037] In the scenario of securing and tightening cargo on ships, the ratchet 16 and the ratchet groove 141d in this invention effectively prevent reverse rotation after the roll 12 rotates to tighten the cargo straps, ensuring that the cargo is firmly secured during turbulence. The reset component, such as a spring, between the connecting rod 14 and the crossbeam 10 makes operation more convenient and improves work efficiency. The lubrication mechanism on the support column 102 automatically and precisely lubricates key rotating parts when the connecting rod 14 is pulled up, reducing component wear and extending the service life of the equipment. The base plate enhances installation stability and prevents equipment displacement, while the baffle 142 improves operational safety and convenience, thus improving the overall quality and reliability of cargo securing operations on ships.
[0038] The above embodiments are only used to illustrate the technical solutions of this disclosure, and are not intended to limit it. Although this disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this disclosure. The following points need to be noted: In the accompanying drawings of the embodiments of this utility model, only the structures involved in the embodiments of this utility model are shown; other structures can refer to general designs.
Claims
1. A ship cargo fixing quick tightener, comprising a crossbeam (10) and a support (102) fixed symmetrically on the side of the crossbeam (10), a reel (12) being rotatably connected between the two supports (102), characterized in that an end of the reel (12) is fixedly connected with a ratchet wheel (16), an upper portion of the crossbeam (10) is provided with a connecting rod (14), an end of the connecting rod (14) is provided with a ratchet groove (141) capable of engaging with the ratchet wheel (16), and a reset member is arranged between the connecting rod (14) and the crossbeam (10). A lubricating mechanism is further arranged on the support (102), and the lubricating mechanism is used for lubricating the rotatable connection position of the reel (12) and the support (102). A first cavity (101) for containing lubricating oil is arranged in the support (102), the reel (12) penetrates through the first cavity (101), and a second cavity (121) is arranged in the reel (12), an opening (122) is arranged on the outer wall of the reel (12), and the opening (122) communicates the first cavity (101) and the second cavity (121); the lubricating mechanism comprises a piston rod (15) fixed on the connecting rod (14) and penetrating into the first cavity (101), one end of the piston rod (15) is fixed to the connecting rod (14), and the other end of the piston rod (15) is fixedly connected with a piston head (151).
2. A marine cargo securement quick tightener according to claim 1, wherein, When the connecting rod (14) is pulled upward, the lubricating oil in the first cavity (101) penetrates from the second cavity (121) to realize lubrication of the rotatable connection position. The number of the openings (122) is multiple, and the multiple openings (122) are uniformly distributed on the reel (12).
3. A marine cargo securement quick tightener according to claim 2, characterised in that, The reset member is a spring.
4. A marine cargo securement quick tightener according to claim 2, wherein, The spring is sleeved on the outer edge of the piston rod (15).
5. A marine cargo securement quick tightener according to claim 4, wherein, Sealing rings (13) for preventing lubricating oil from leaking are fixedly connected to the reel (12) on both sides of the second cavity (121).
6. A marine cargo securement quick tightener according to claim 2, wherein, A bottom plate is fixedly connected to the end of the support (102) close to the deck.
7. A marine cargo securement quick tightener according to claim 1 wherein, A baffle (142) is fixedly connected to the connecting rod (14).
8. A marine cargo securement quick tightener according to claim 1 wherein,