Marine connector

Abstract

The utility model discloses a marine connector, and belongs to the technical field of marine parts. Comprising a pulley, four shaft covers, two side plates and two shafts, and the two ends of the shafts are fixed to the two side plates through the two shaft covers respectively. The shaft is located between the two side plates and is perpendicular to the side plates, and the two ends of the shaft are each of a stepped shaft structure. Wherein one shaft is used for connecting a chain as a chain shaft, and the other shaft is used for connecting a cable as a cable shaft; the pulley is located between the two side plates and arranged on the cable shaft in a sleeving mode. An inner protruding part is arranged on the inner side of the side plate and located at the chain shaft, and a groove matched with the shaft cover is formed in the outer side of the side plate and located at the chain shaft. An outer protruding part is arranged on the outer side of the side plate and located at the cable shaft, and a groove matched with the shaft cover is formed in the outer side of the outer protruding part. The shaft covers are arranged in the corresponding grooves in a covering manner and are fixedly connected with the corresponding ends of the shaft through a plurality of locking bolts; the groove is located in a projection area corresponding to the inner protruding part or the outer protruding part.

Description

Technical Field

[0001] The utility model belongs to the technical field of marine components, and in particular relates to a marine connector, which is specially used for connecting cables and chains. Background Art

[0002] In the shipbuilding field, there are scenarios where cables are connected with chains.

[0003] For example, patent application number CN201310354628.7 discloses a method for installing a submerged buoy in ultra-deep water, including the following steps: preparatory work; installation of the mooring system; positioning and sinking the buoy; connection of the mooring system to the buoy; and adjustment of the anchor leg length. The hybrid anchor leg consists of a bottom anchor chain segment, an anchor cable, and a portion of the top anchor chain segment.

[0004] For example, the patent application number CN201721246794.5 discloses a single-point mooring device for fixing a ship. The single-point mooring device includes a suspended component, a vertical anchor chain, a cable component and an anchor connected in sequence. The suspended component is arranged on the sea surface to connect to the ship, and the vertical anchor chain is arranged below the sea surface to fix the suspended component. A first multi-directional connecting element that can be connected to the ship is provided between the suspended component and the vertical anchor chain, and a first rotating connecting element that prevents the chain from twisting is provided between the vertical anchor chain and the cable component.

[0005] For example, the patent with application number CN202110305411.1 discloses an anchoring system used for nearshore fishery farming platforms, including a platform, double-strand nylon cables are symmetrically arranged on the bottom of both sides of the platform, and two double-strand nylon cables are arranged on one side. The head of each double-strand nylon cable is connected to a stopless anchor chain, the head of the stopless anchor chain passes through a water drum, and the tail of the stopless anchor chain is connected to a multi-chain assembly, and the tail of the multi-chain assembly is fixed to the anchor foundation through a connecting chain.

[0006] The above patents all disclose the use of cables and chains. Under the same load situation, the cables are usually thicker, and it is usually impossible to directly connect the cables and chains. Utility Model Content

[0007] To solve the aforementioned problems, the present invention provides a marine connector specifically for connecting cables and chains, which has the advantages of high load capacity, ease of use, durability, and compact structure. The technical solution is as follows:

[0008] The present invention provides a marine connector, comprising a pulley 4, four shaft covers 3, two side plates 1 arranged side by side, and two shafts 2 arranged side by side; the two ends of the shaft 2 are fixed to the two side plates 1 by two shaft covers 3, which are located between the two side plates 1, are perpendicular to the side plates 1, and have stepped shaft structures 8 at both ends; one shaft 2 is used to connect the chain 5 as a chain shaft 21, and the other shaft 2 is used to connect the cable 6 as a cable shaft 22; the pulley 4 is located between the two side plates 1 and is sleeved on the cable shaft 22 ; An inner protrusion 11 is provided on the inner side of the side plate 1 and located at the chain shaft 21, and a groove 13 that cooperates with the shaft cover 3 is provided on the outer side of the side plate 1 and located at the chain shaft 21; an outer protrusion 12 is provided on the outer side of the side plate 1 and located at the cable shaft 22, and a groove 13 that cooperates with the shaft cover 3 is also provided on the outer side of the outer protrusion 12; the shaft cover 3 is covered in the corresponding groove 13, and is fixedly connected to the corresponding end of the shaft 2 by a plurality of locking bolts 7; the groove 13 is located within the projection area of ​​the corresponding inner protrusion 11 or the outer protrusion 12.

[0009] Among them, the inner protrusion 11 in the embodiment of the present invention is a frustum coaxially arranged with the chain shaft 21, the outer protrusion 12 is a truncated cone coaxially arranged with the cable shaft 22, the shaft cover 3 is a circular cover coaxially arranged with the shaft 2, the groove 13 is a circular groove that cooperates with the shaft cover 3, and the two shafts 2 are respectively located at the two ends of the side plate 1; the frustum is larger inside and smaller outside, the diameter of the inner protrusion 11 is larger than the diameter of the corresponding shaft cover 3, and the diameter of the outer side of the outer protrusion 12 is larger than the diameter of the corresponding shaft cover 3.

[0010] Furthermore, the inner edge of the inner protrusion 11 in the embodiment of the present invention is rounded and the outer side thereof transitions to the side panel 1 in an arc shape.

[0011] The inner protrusion 11 in the embodiment of the present invention is formed integrally with the side panel 1 , and the inner outer edge of the outer protrusion 12 is welded and fixed to the outer side of the side panel 1 .

[0012] Furthermore, the outer edge of the shaft cover 3 in the embodiment of the present invention is beveled, and the inner end of the bevel of the shaft cover 3 at the chain shaft 21 is flush with the outer side of the side plate 1; the inner end of the bevel of the shaft cover 3 at the cable shaft 22 is flush with the outer side of the external protrusion 12.

[0013] Among them, the outer end of the shaft 2 in the embodiment of the present invention is flush with the bottom of the corresponding groove 13; the chain shaft 21 cooperates with the chain links of the chain 5, and the distance between the chain shaft 21 and the opposite side of the pulley 4 is greater than the sum of the diameter of the cable 6 and the diameter of the chain link.

[0014] Furthermore, the inner protrusion 11 and the corresponding side plate 1 in the embodiment of the present invention are coaxially provided with a stepped hole 9 that cooperates with the chain shaft 21 and the stepped shaft structure 8, and the chain shaft 21 and the stepped shaft structure 8 at its end are inserted into the stepped hole 9 on the corresponding side; the outer protrusion 12 and the corresponding side plate 1 are provided with a circular hole 10 that cooperates with the stepped shaft structure 8, and the stepped shaft structure 8 of the cable shaft 22 is inserted in the circular hole 10 and its stepped surface rests on the inner side of the side plate 1 on the corresponding side; the two sides of the pulley 4 are respectively located on the adjacent inner sides of the side plate 1 on the corresponding side.

[0015] Specifically, the side panel 1 in the embodiment of the present invention is teardrop-shaped, the chain shaft 21 is coaxially arranged at the small end of the side panel 1, and the cable shaft 22 is coaxially arranged at the large end of the side panel 1, and the diameter of the large end of the side panel 1 is larger than the diameter of the pulley 4.

[0016] Specifically, the shaft cover 3 in the embodiment of the present invention is fixed to the end of the shaft 2 by three locking bolts 7; the three locking bolts 7 are evenly distributed around the axis of the shaft 2, are perpendicular to the shaft cover 3, and are arranged close to the outer edge of the shaft 2.

[0017] Specifically, the side plate 1 in the embodiment of the present invention is a marine steel plate, the shaft 2 is an alloy steel shaft, the shaft cover 3 is a marine steel plate, the pulley 4 is a cast steel pulley, and the locking bolt 7 is a stainless steel bolt.

[0018] The beneficial effects brought about by the technical solution provided by the embodiment of the present invention are as follows: the embodiment of the present invention provides a marine connector, which is specially used to realize the connection between cables and chains, and has the advantages of large load (PL load is greater than 400 tons), easy use (the side plate can be disassembled by removing the bolts and shaft cover, and then the cable or chain can be installed), durability (the strength is enhanced by the design of the inner protrusion and the outer protrusion, the water ingress is prevented by the setting of the shaft cover, and the wear is reduced by optimizing the shape) and compact structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a marine connector provided by an embodiment of the present utility model;

[0020] Figure 2 It is a side view of the marine connector;

[0021] Figure 3 It is a structural diagram of the side panel;

[0022] Figure 4 is a cross-sectional view of the side panel;

[0023] Figure 5 It is a medial view from the side;

[0024] Figure 6 This is the lateral view of the side panel;

[0025] Figure 7 It is a structural diagram of the chain shaft;

[0026] Figure 8 It is a structural diagram of the cable shaft;

[0027] Figure 9 It is a structural diagram of the shaft cover;

[0028] Figure 10 It is a cross-sectional view of the outer protrusion.

[0029] In the figure: 1 side plate, 2 shaft, 3 shaft cover, 4 pulley, 5 chain, 6 cable, 7 locking bolt, 8 stepped shaft structure, 9 stepped hole, 10 round hole;

[0030] 11 inner protrusion, 12 outer protrusion, 13 groove;

[0031] 21 chain shaft, 22 cable shaft. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail below with reference to the accompanying drawings.

[0033] Example 1

[0034] See also Figure 1-10Embodiment 1 provides a marine connector, comprising a pulley 4, four shaft covers 3, two side panels 1, and two shafts 2. The two side panels 1 are arranged side by side, and the side panels 1 may be rectangular, isosceles trapezoidal, or teardrop-shaped. The two shafts 2 are arranged side by side and are respectively located at the two ends of the side panels 1. The two ends of the shaft 2 are fixed to the two side panels 1 through two shaft covers 3, which are located between the two side panels 1 and are perpendicular to the side panels 1. Both ends of the shaft 2 are stepped shaft structures 8 (to support the two side panels 1 and prevent the two side panels 1 from approaching each other), and their outer ends are flush with the bottom of the corresponding groove 13. One of the shafts 2 is used to connect the chain 5 as the chain shaft 21, and the other shaft 2 is used to connect the cable 6 as the cable shaft 22. The pulley 4 is located between the two side panels 1, and is sleeved on the cable shaft 22. Its two sides are respectively located on the adjacent inner sides of the side panels 1 on the corresponding side. The links at the ends of the chain 5 are mounted on the chain shaft 21. A cable 6 (specifically, a nylon rope, double-stranded or with a ring-shaped end) is wound around the pulley 4. The diameter of the cable 6 is larger than that of the chain link. An inner protrusion 11 is provided on the inner side of the side plate 1, located at the chain shaft 21. A groove 13 is provided on the outer side of the side plate 1, located at the chain shaft 21, that mates with the shaft cover 3 (specifically, this can be a clearance fit or a tight fit, preferably a clearance fit for ease of disassembly). An outer protrusion 12 is provided on the outer side of the side plate 1, located at the cable shaft 22. A groove 13 is also provided on the outer side of the outer protrusion 12, that mates with the shaft cover 3 (specifically, this can be a clearance fit or a tight fit, preferably a clearance fit for ease of disassembly). The shaft cover 3 is mounted in the corresponding groove 13 and is fixedly connected to the corresponding end of the shaft 2 via multiple locking bolts 7. The multiple locking bolts 7 are evenly distributed around the axis of the shaft 2, perpendicular to the shaft cover 3, and located near the outer edge of the shaft 2. Specifically, the inner protrusion 11 is a frustum coaxially arranged with the chain shaft 21, the outer protrusion 12 is a truncated cone coaxially arranged with the cable shaft 22 (larger inside and smaller outside), the shaft cover 3 is a circular cover coaxially arranged with the shaft 2, and the groove 13 is a circular groove that cooperates with the shaft cover 3.

[0035] The groove 13 is located within the projection area of ​​the corresponding inner protrusion 11 or outer protrusion 12 to ensure strength at the groove 13. Specifically, the diameter of the inner protrusion 11 is larger (at least 10 mm larger) than the diameter of the corresponding shaft cover 3, and the outer diameter of the outer protrusion 12 is larger (at least 10 mm larger) than the diameter of the corresponding shaft cover 3.

[0036] Further, see Figure 1 and 3 -4. In the embodiment of the present invention, the inner edge of the inner protrusion 11 is rounded and its outer side transitions to the side plate 1 in an arc shape to reduce wear on the chain 5.

[0037] Among them, see Figure 1In the embodiment of the present invention, the inner protrusion 11 is integrally formed with the side panel 1. The outer protrusion 12 can be integrally formed with the side panel 1, or the outer protrusion 12 can be welded and fixed to the outer side of the side panel 1. Specifically, the outer protrusion 12 is a truncated cone ring structure, and its inner outer edge (with a welding groove) is welded and fixed to the outer side of the side panel 1.

[0038] Further, see Figure 1-2 9. The outer edge of the shaft cover 3 in the embodiment of the present invention is beveled to reduce sharp corners (to avoid scratching other equipment, facilitate use, and reduce wear). The inner end of the bevel of the shaft cover 3 at the chain shaft 21 is flush with the outer side of the side plate 1. The inner end of the bevel of the shaft cover 3 at the cable shaft 22 is flush with the outer side of the outer protrusion 12.

[0039] Among them, see Figure 1 In the embodiment of the present invention, the chain shaft 21 is adapted to fit within the links of the chain 5 (the inner width of the links is slightly greater than the diameter of the chain shaft 21). The distance between the chain shaft 21 and the side opposite the pulley 4 is greater than the sum of the diameters of the cable 6 and the chain links. This means that there is a certain distance between the cable 6 and the chain links, facilitating ease of use. The chain shaft 21 and the cable shaft 22 may be identical or different.

[0040] Further, see Figure 1 、 2 , 4 and 6, the stepped shaft structure 8 of the cable shaft 22 in the embodiment of the present invention is longer than the stepped shaft structure 8 of the chain shaft 21; the stepped surface of the cable shaft 22 can be flush with the stepped surface of the chain shaft 21. The inner protrusion 11 and the corresponding side plate 1 are coaxially provided with a stepped hole 9 (small outside and large inside, located at the center of the small end of the side plate 1) that cooperates with the chain shaft 21 and the stepped shaft structure 8. The chain shaft 21 and the stepped shaft structure 8 at its end are inserted into the stepped hole 9 on the corresponding side (clearance fit or tight fit). The outer protrusion 12 and the corresponding side plate 1 are provided with a circular hole 10 (located at the center of the large end of the side plate 1) that cooperates with the stepped shaft structure 8 (clearance fit or tight fit). The stepped shaft structure 8 of the cable shaft 22 is inserted into the circular hole 10 and its stepped surface rests against the inner side of the side plate 1 on the corresponding side.

[0041] Example 2

[0042] Example 2 provides a marine connector, the structure of which is basically the same as that of Example 1, except that: the side panel 1 in this embodiment is arranged in the front-to-back direction, the pulley 4 and the shaft 2 are both arranged in the left-to-right direction, the chain shaft 21 is located at the rear end of the side panel 1, and the cable shaft 22 is located at the front end of the side panel 1.

[0043] Example 3

[0044] Embodiment 3 provides a marine connector, the structure of which is substantially the same as that of embodiment 1, except that the chain shaft 21 and the cable shaft 22 have the same diameter.

[0045] Example 4

[0046] See also Figure 1 Embodiment 4 provides a marine connector, the structure of which is substantially the same as that of embodiment 1, except that the shaft cover 3 in this embodiment is fixed to the end of the shaft 2 by three locking bolts 7. The total number of locking bolts 7 is 12.

[0047] Example 5

[0048] Example 5 provides a marine connector, the structure of which is substantially the same as that of Example 1, except that: in this embodiment, the diameter of the cable 6 is greater than 150 mm, the diameter of the chain link is greater than 80 mm; the diameter of the shaft 2 is greater than 100 mm; the diameter of the annular groove of the pulley 4 is greater than 200 mm, and the diameter of its outer edge is greater than 400 mm; the diameters of the inner protrusion 11 and the outer protrusion 12 are greater than 200 mm, the height of the inner protrusion 11 is greater than 40 mm, and the height of the outer protrusion 12 is greater than 20 mm; the diameter of the shaft cover 3 is greater than 160 mm and the thickness is greater than 15 mm; the length of the side plate 1 is greater than 800 mm and the thickness is greater than 25 mm; the distance between the cable 6 and the chain link is greater than 30 mm; and the distance between the two side plates 1 is greater than 240 mm. The specification of the locking bolt 7 can specifically be M16*45.

[0049] After testing, the WLL load of the patented product is greater than 220 tons, the PL load is greater than 400 tons, and the MBL load is greater than 580 tons, which means it can withstand very large loads; it can be used on ships; and it has been tested to be able to be used long-term and stably.

[0050] Example 6

[0051] See also Figure 1-6 Example 6 provides a marine connector, whose structure is basically the same as that of Example 5, except that: the side plate 1 in this embodiment is teardrop-shaped, the chain shaft 21 is coaxially arranged at the small end of the side plate 1 (the radius is greater than 150 mm), and the cable shaft 22 is coaxially arranged at the large end of the side plate 1 (the radius is greater than 210 mm), and the diameter of the large end of the side plate 1 is greater than the diameter of the pulley 4.

[0052] Example 7

[0053] Example 7 provides a marine connector, the structure of which is basically the same as that of Example 1, except that: the side plate 1 and the inner protrusion 11 and the outer protrusion 12 in this embodiment are all marine steel plates (made of EH36, galvanized), the shaft 2 is an alloy steel shaft (made of 35CrMo), the shaft cover 3 is a marine steel plate (made of EH36, galvanized), the pulley 4 is a cast steel pulley (made of SCW550), and the locking bolt 7 is a stainless steel bolt (made of 316).

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A marine connector, characterized in that: The invention comprises a pulley (4), four shaft covers (3), two side plates (1) arranged side by side, and two shafts (2) arranged side by side; the two ends of the shaft (2) are fixed to the two side plates (1) through two shaft covers (3), the shaft (2) is located between the two side plates (1), is perpendicular to the side plates (1), and both ends of the shaft (2) are stepped shaft structures (8); one shaft (2) is used to connect the chain (5) as a chain shaft (21), and the other shaft (2) is used to connect the cable (6) as a cable shaft (22); the pulley (4) is located between the two side plates (1) and is sleeved on the cable shaft (22); the inner side of the side plate (1) is provided with a plurality of shafts (21) and a plurality of shafts (22) arranged side by side. An inner protrusion (11) is provided on the side and located at the chain shaft (21), and a groove (13) cooperating with the shaft cover (3) is provided on the outer side and located at the chain shaft (21); an outer protrusion (12) is provided on the outer side of the side plate (1) and located at the cable shaft (22), and a groove (13) cooperating with the shaft cover (3) is also provided on the outer side of the outer protrusion (12); the shaft cover (3) is covered in the corresponding groove (13), and is fixedly connected to the corresponding end of the shaft (2) by a plurality of locking bolts (7); the groove (13) is located in the projection area of ​​the corresponding inner protrusion (11) or the outer protrusion (12).

2. The marine connector according to claim 1, characterized in that: The inner protrusion (11) is a truncated cone coaxially arranged with the chain shaft (21), the outer protrusion (12) is a truncated cone coaxially arranged with the cable shaft (22), the shaft cover (3) is a circular cover coaxially arranged with the shaft (2), the groove (13) is a circular groove matched with the shaft cover (3), and the two shafts (2) are respectively located at the two ends of the side plate (1); the inner side of the truncated cone is larger than the outer side, the diameter of the inner protrusion (11) is larger than the diameter of the corresponding shaft cover (3), and the outer side of the outer protrusion (12) is larger than the diameter of the corresponding shaft cover (3).

3. The marine connector according to claim 2, characterized in that: The inner edge of the inner protrusion (11) is rounded and its outer side transitions to the side plate (1) in an arc shape.

4. The marine connector according to claim 2, characterized in that: The inner protrusion (11) is integrally formed with the side plate (1), and the inner outer edge of the outer protrusion (12) is welded and fixed to the outer side of the side plate (1).

5. The marine connector according to claim 2, characterized in that: The outer edge of the shaft cover (3) is beveled, and the inner end of the bevel of the shaft cover (3) at the chain shaft (21) is flush with the outer side of the side plate (1); the inner end of the bevel of the shaft cover (3) at the cable shaft (22) is flush with the outer side of the outer protrusion (12).

6. The marine connector according to claim 2, characterized in that: The outer end of the shaft (2) is flush with the bottom of the corresponding groove (13); the chain shaft (21) cooperates with the chain link of the chain (5), and the distance between the chain shaft (21) and the opposite side of the pulley (4) is greater than the sum of the diameter of the cable (6) and the diameter of the chain link.

7. The marine connector according to claim 2, characterized in that: The inner protrusion (11) and the corresponding side plate (1) are coaxially provided with a stepped hole (9) that matches the chain shaft (21) and the stepped shaft structure (8), and the chain shaft (21) and the stepped shaft structure (8) at its end are inserted into the stepped hole (9) on the corresponding side; the outer protrusion (12) and the corresponding side plate (1) are provided with a circular hole (10) that matches the stepped shaft structure (8), and the stepped shaft structure (8) of the cable shaft (22) is inserted into the circular hole (10) and its stepped surface is against the inner side of the side plate (1) on the corresponding side; the two sides of the pulley (4) are respectively located on the adjacent inner sides of the side plate (1) on the corresponding side.

8. The marine connector according to claim 2, characterized in that: The side plate (1) is in a teardrop shape, the chain shaft (21) is coaxially arranged at the small end of the side plate (1), and the cable shaft (22) is coaxially arranged at the large end of the side plate (1), and the diameter of the large end of the side plate (1) is larger than the diameter of the pulley (4).

9. The marine connector according to claim 2, characterized in that: The shaft cover (3) is fixed to the end of the shaft (2) by three locking bolts (7); the three locking bolts (7) are evenly distributed around the axis of the shaft (2), are perpendicular to the shaft cover (3), and are arranged close to the outer edge of the shaft (2).

10. The marine connector according to claim 1, characterized in that: The side plate (1) is a ship steel plate, the shaft (2) is an alloy steel shaft, the shaft cover (3) is a ship steel plate, the pulley (4) is a cast steel pulley, and the locking bolt (7) is a stainless steel bolt.

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