Expansion type marine fairlead protective sleeve convenient to install
By designing the inner and outer bulk wall parts and tightening structure, the problem of unstable protective sleeve installation caused by deformation of the cable guide hole is solved, and the stable installation and adjustment of the tightening degree is achieved in the cable guide hole. It is suitable for irregular orifices and simplified The installation process was completed.
Patent Information
- Application Number
- CN202420282717.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-06
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-06
AI Technical Summary
The traditional cable guide hole protective sleeve cannot be firmly installed after the cable guide hole is deformed, resulting in the risk of falling off and the degree of tightening cannot be effectively adjusted.
A tightening protective sleeve including inner and outer bulwark parts is designed, through parabolic outreach walls and adjustable tightening openings and plates, and automatic tightening using bolt hole slots and nuts, internal and external tightening plates and groove strip structures are achieved. Allows to adjust the tightness level.
It realizes a stable installation in the cable guide hole, is suitable for irregular orifices, avoids the sheathing of the protective sleeve caused by deformation of the cable guide hole, and simplifies the installation process.
Smart Images
Figure CN222179768U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ship cable guide structures, in particular to a tensioning type ship cable guide hole protective cover which is easy to install. Background Art
[0002] The fairlead, also known as the "bulwark cable hole", is a closed-hole fairlead installed on the bulwark to limit the cable lead-out position. It is a circular or elliptical annular casting. The fairlead is usually made of cast iron or cast steel and installed on the bulwark to guide the cable through the hull and prevent the cable from damaging the hull. It is widely used in the mooring of ships and marine engineering and is an essential device for ships and marine engineering.
[0003] After the cable is used in the fairlead for a long time, it is easy to break the cable due to wear and tear, causing accidents. Generally, a fairlead cover is set in the fairlead, which can reduce the wear of the cable and avoid the occurrence of cable breakage accidents.
[0004] During use, the cable guide hole will be deformed and irregular, which will cause problems with the firmness of the traditional protective cover installation. It cannot be guaranteed that the protective cover is firmly installed in the cable guide hole, and in severe cases, it may even fall off. Utility Model Content
[0005] In view of the shortcomings of the above-mentioned existing production technology, the present application provides an easy-to-install tensioning type ship fairlead hole protective cover, in which the inner and outer bulwark parts can adjust the tension degree in the fairlead hole as needed, thereby ensuring the stability of the protective cover installed in the fairlead hole and avoiding the situation where the protective cover cannot be securely installed due to deformation of the fairlead hole.
[0006] The technical solution adopted by the utility model is as follows:
[0007] A tensioning type ship fairlead hole protective cover which is easy to install, comprising an inner bulwark wall member and an outer bulwark wall member, wherein the inner bulwark wall member and the outer bulwark wall member comprise a wide end with a larger cross section and a narrow end with a smaller cross section, a parabolic outward wall is arranged between the wide end and the narrow end, a fairlead channel for the passage of a cable is arranged at the center of the inner bulwark wall member and the outer bulwark wall member, the narrow ends of the inner bulwark wall member and the outer bulwark wall member are spliced into one body, an inner tensioning opening is arranged on the inner bulwark wall member, the inner tensioning opening extends from the wide end of the inner bulwark wall member to the narrow end, and an outer tensioning opening is arranged on the outer bulwark wall member, the outer tensioning opening extends from the outer bulwark wall member to the inner bulwark wall member. The wide end of the wall member extends to the narrow end, and the inner tensioning opening and the outer tensioning opening are arranged correspondingly on the left and right. The width dimension of the inner tensioning opening increases from small to large from the wide end to the narrow end, and the width dimension of the outer tensioning opening increases from small to large from the wide end to the narrow end; an inner tensioning plate is arranged in the inner tensioning opening, and the width dimension of the inner tensioning plate increases from small to large from one end to the other end, and the inner tensioning plate can be matched and connected in the inner tensioning opening; an outer tensioning plate is arranged in the outer tensioning opening, and the width dimension of the outer tensioning plate increases from small to large from one end to the other end, and the outer tensioning plate can be matched and connected in the outer tensioning opening.
[0008] Further, the inner bulwark component and the outer bulwark component are arranged symmetrically, or the inner bulwark component is larger than the outer bulwark component, or the outer bulwark component is larger than the inner bulwark component.
[0009] Furthermore, the inner bulwark member and the outer bulwark member are truncated cone structures or trumpet structures.
[0010] Further, a plurality of inner bolt hole grooves are arranged at the narrow end of the inner bulwark member, and the plurality of inner bolt hole grooves are evenly distributed along the circumference of the inner bulwark member; a plurality of outer bolt hole grooves are arranged at the narrow end of the outer bulwark member, and the plurality of outer bolt hole grooves are evenly distributed along the circumference of the outer bulwark member; the plurality of inner bolt hole grooves and the plurality of outer bolt hole grooves are arranged one by one correspondingly, a butt bolt is arranged in each inner bolt hole groove, and the butt bolt passes through the corresponding outer bolt hole groove and is connected with a locking nut.
[0011] Furthermore, the front and rear end surfaces of the inner tensioning plate are coplanar with the inner and outer end surfaces of the inner bulwark member, and the front and rear end surfaces of the outer tensioning plate are coplanar with the inner and outer end surfaces of the outer bulwark member.
[0012] Further, one end of the inner tensioning plate located at the narrow end of the inner bulwark member converges at one point or has a certain width, and one end of the outer tensioning plate located at the narrow end of the outer bulwark member converges at one point or has a certain width.
[0013] Furthermore, the inner tensioning opening and the outer tensioning opening are arranged correspondingly on the left and right.
[0014] Furthermore, inner tensioning grooves are respectively arranged on both sides of the inner tensioning opening, inner tensioning strips are respectively arranged on both sides of the inner tensioning plate, and the two inner tensioning strips are respectively clamped in the two inner tensioning grooves; outer tensioning grooves are respectively arranged on both sides of the outer tensioning opening, outer tensioning strips are respectively arranged on both sides of the outer tensioning plate, and the two outer tensioning strips are respectively clamped in the two outer tensioning grooves.
[0015] Further, the inner tensioning opening extending to the narrow end of the inner bulwark member converges to one point or has a certain width, and the outer tensioning opening extending to the narrow end of the outer bulwark member converges to one point or has a certain width.
[0016] The beneficial effects of the utility model are as follows:
[0017] The utility model has a compact and reasonable structure and is easy to install. The inner and outer bulwark parts can adjust the tension degree in the fairlead hole as required, thereby ensuring the stability of the installation of the protective cover in the fairlead hole and avoiding the situation that the protective cover cannot be firmly installed due to the deformation of the fairlead hole. The utility model is suitable for the installation of irregular fairlead holes. The structure of the inner and outer tensioning plates and the inner and outer tensioning openings enables the inner and outer tensioning plates to automatically complete the tensioning during the docking process of the inner and outer bulwark parts, thereby facilitating the completion of the tensioning adjustment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional diagram of the utility model.
[0019] Figure 2 It is a schematic diagram of assembling the inner bulwark member and the outer bulwark member of the utility model.
[0020] Figure 3 It is a schematic diagram of the structure of the inner tensioning plate and the outer tensioning plate of the utility model.
[0021] Figure 4 It is a schematic diagram of the utility model being assembled in a fairlead hole.
[0022] Among them: 1. Inner bulwark member; 2. Outer bulwark member; 3. Inner tensioning plate; 4. Outer tensioning plate; 5. Inner tensioning opening; 6. Outer tensioning opening; 7. Inner tensioning groove; 8. Outer tensioning groove; 9. Inner bolt hole groove; 10. Outer bolt hole groove; 11. Inner tensioning strip; 12. Outer tensioning strip; 13. Fairlead hole. DETAILED DESCRIPTION
[0023] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.
[0024] like Figure 1 As shown, a tension-type marine fairlead protective cover that is easy to install includes an inner bulwark wall 1 and an outer bulwark wall 2. The inner bulwark wall 1 and the outer bulwark wall 2 can be arranged symmetrically, or the inner bulwark wall 1 can be larger than the outer bulwark wall 2, or the outer bulwark wall 2 can be larger than the inner bulwark wall 1. The inner bulwark wall 1 and the outer bulwark wall 2 include a wide end with a larger cross section and a narrow end with a smaller cross section, and a parabolic outward wall is arranged between the wide end and the narrow end. A fairlead channel for the passage of cables is arranged in the center of the inner bulwark wall 1 and the outer bulwark wall 2. The inner bulwark wall 1 and the outer bulwark wall 2 can be a truncated cone structure or a trumpet-shaped structure.
[0025] like Figure 1 and Figure 2 As shown, the narrow ends of the inner bulwark member 1 and the outer bulwark member 2 are spliced into one body, and a plurality of inner bolt holes 9 are arranged at the narrow end of the inner bulwark member 1, and the plurality of inner bolt holes 9 are evenly distributed along the circumference of the inner bulwark member 1. A plurality of outer bolt holes 10 are arranged at the narrow end of the outer bulwark member 2, and the plurality of outer bolt holes 10 are evenly distributed along the circumference of the outer bulwark member 2. The plurality of inner bolt holes 9 and the plurality of outer bolt holes 10 are arranged one by one correspondingly, and a butt bolt is arranged in each inner bolt hole 9, and the butt bolt passes through the corresponding outer bolt hole 10 and is connected with a locking nut, and the inner bulwark member 1 and the outer bulwark member 2 are connected into one body through the butt bolt and the locking nut.
[0026] like Figure 1 and Figure 2 As shown, an inner tensioning opening 5 is provided on the inner bulwark member 1, and the inner tensioning opening 5 extends from the wide end to the narrow end of the inner bulwark member 1, and an outer tensioning opening 6 is provided on the outer bulwark member 2, and the outer tensioning opening 6 extends from the wide end to the narrow end of the outer bulwark member 2. The inner tensioning opening 5 and the outer tensioning opening 6 are arranged correspondingly on the left and right, and the width of the inner tensioning opening 5 increases from the wide end to the narrow end, and the width of the outer tensioning opening 6 increases from the wide end to the narrow end. The end of the inner tensioning opening 5 extending to the narrow end of the inner bulwark member 1 can be as shown in FIG. Figure 1 , Figure 2 The outer tension opening 6 extends to the narrow end of the outer bulwark member 2 and can be as shown. Figure 1 , Figure 2 As shown, they converge at one point and may also have a certain width.
[0027] like Figure 1 and Figure 3 As shown, an inner tensioning plate 3 is arranged in the inner tensioning opening 5, and the width of the inner tensioning plate 3 increases from one end to the other end, and the inner tensioning plate 3 can be connected in the inner tensioning opening 5 to achieve the tensioning assembly of the inner bulwark member 1 in the fairlead hole. An outer tensioning plate 4 is arranged in the outer tensioning opening 6, and the width of the outer tensioning plate 4 increases from one end to the other end, and the outer tensioning plate 4 can be connected in the outer tensioning opening 6 to achieve the tensioning assembly of the outer bulwark member 2 in the fairlead hole. Similarly, the inner tensioning plate 3 at the narrow end of the inner bulwark member 1 can be as shown in FIG. Figure 1 , Figure 2 As shown, they converge at one point and may also have a certain width; the outer tensioning plate 4 is located at one end of the narrow end of the outer bulwark member 2 and may be as shown. Figure 1 , Figure 2 As shown, they converge at one point and may also have a certain width.
[0028] like Figure 1 and Figure 3As shown, the front and rear end faces of the inner tensioning plate 3 are respectively coplanar with the inner and outer end faces of the inner bulwark member 1. After the inner tensioning plate 3 is assembled into the inner tensioning opening 5, the front and rear end faces of the inner tensioning plate 3 and the inner and outer end faces of the inner bulwark member 1 form a smooth surface. The front and rear end faces of the outer tensioning plate 4 are respectively coplanar with the inner and outer end faces of the outer bulwark member 2. After the outer tensioning plate 4 is assembled into the outer tensioning opening 6, the front and rear end faces of the outer tensioning plate 4 and the inner and outer end faces of the outer bulwark member 2 form a smooth surface.
[0029] like Figure 2 and Figure 3 As shown, inner tensioning grooves 7 are respectively provided on both sides of the inner tensioning opening 5, inner tensioning strips 11 are respectively provided on both sides of the inner tensioning plate 3, and two inner tensioning strips 11 are respectively clamped in the two inner tensioning grooves 7, so that the inner tensioning strips 11 are assembled in the inner tensioning opening 5. Outer tensioning grooves 8 are respectively provided on both sides of the outer tensioning opening 6, and outer tensioning strips 12 are respectively provided on both sides of the outer tensioning plate 4, and two outer tensioning strips 12 are respectively clamped in the two outer tensioning grooves 8, so that the outer tensioning strips 12 are assembled in the outer tensioning opening 6.
[0030] During assembly, the inner tensioning plate 3 and the outer tensioning plate 4 can adjust their positions along the inner and outer tensioning grooves in the inner and outer tensioning openings 5 and 6 respectively, and adjust the opening widths of the inner and outer tensioning openings 5 and 6, thereby finally achieving adjustment of the tensioning degree of the inner bulwark member 1 and the outer bulwark member 2.
[0031] like Figure 4 As shown, when the utility model is used, the inner and outer tensioning plates 3 and 4 are first installed into the inner tensioning opening 5 of the inner bulwark member 1 and the outer tensioning opening 6 of the outer bulwark member 2 respectively, and then the inner bulwark member 1 and the outer bulwark member 2 are installed from the inner and outer sides of the fairlead hole 13 respectively, and the inner bulwark member 1 and the outer bulwark member 2 are connected by the connecting member. In the process of connecting the inner bulwark member 1 and the outer bulwark member 2, the inner and outer tensioning plates 3 and 4 are pushed from the inside to the outside in the inner and outer tensioning openings 5 and 6, so that the inner bulwark member 1 and the outer bulwark member 2 are tensioned on the inner surface of the fairlead hole 13, which facilitates the adjustment of the tension degree.
[0032] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the protection scope of the utility model.
Claims
1. A tension-type ship fairlead protective cover which is easy to install, comprising an inner bulwark member (1) and an outer bulwark member (2), wherein the inner bulwark member (1) and the outer bulwark member (2) comprise a wide end with a larger cross section and a narrow end with a smaller cross section, a parabolic outward wall is arranged between the wide end and the narrow end, a fairlead channel for the passage of a cable is arranged at the center of the inner bulwark member (1) and the outer bulwark member (2), and the narrow ends of the inner bulwark member (1) and the outer bulwark member (2) are spliced into one body, characterized in that: The inner bulwark member (1) is provided with an inner tensioning opening (5), which extends from the wide end of the inner bulwark member (1) to the narrow end; the outer bulwark member (2) is provided with an outer tensioning opening (6), which extends from the wide end of the outer bulwark member (2) to the narrow end; the width of the inner tensioning opening (5) increases from small to large from the wide end to the narrow end; the width of the outer tensioning opening (6) increases from small to large from the wide end to the narrow end; an inner tensioning plate (3) is provided in the inner tensioning opening (5), the width of the inner tensioning plate (3) increases from small to large from one end to the other end; the inner tensioning plate (3) can be matched and connected in the inner tensioning opening (5); an outer tensioning plate (4) is provided in the outer tensioning opening (6), the width of the outer tensioning plate (4) increases from small to large from one end to the other end; the outer tensioning plate (4) can be matched and connected in the outer tensioning opening (6).
2. The easy-to-install tensioning marine fairlead protective cover according to claim 1, characterized in that: The inner bulwark component (1) and the outer bulwark component (2) are arranged symmetrically on the left and right, or the inner bulwark component (1) is larger than the outer bulwark component (2), or the outer bulwark component (2) is larger than the inner bulwark component (1).
3. The easy-to-install tensioning marine fairlead protective cover as claimed in claim 2, characterized in that: The inner bulwark member (1) and the outer bulwark member (2) are truncated cone structures or trumpet-shaped structures.
4. The easy-to-install tensioning marine fairlead protective cover as claimed in claim 3, characterized in that: The narrow end of the inner bulwark member (1) is provided with a plurality of inner bolt hole grooves (9), and the plurality of inner bolt hole grooves (9) are evenly distributed along the circumference of the inner bulwark member (1); the narrow end of the outer bulwark member (2) is provided with a plurality of outer bolt hole grooves (10), and the plurality of outer bolt hole grooves (10) are evenly distributed along the circumference of the outer bulwark member (2); the plurality of inner bolt hole grooves (9) and the plurality of outer bolt hole grooves (10) are arranged one by one correspondingly; a butt bolt is arranged in each inner bolt hole groove (9), and the butt bolt passes through the corresponding outer bolt hole groove (10) and is connected with a locking nut.
5. The easy-to-install tensioning marine fairlead protective cover as claimed in claim 4, characterized in that: The front and rear end faces of the inner tensioning plate (3) are respectively coplanar with the inner and outer end faces of the inner bulwark member (1), and the front and rear end faces of the outer tensioning plate (4) are respectively coplanar with the inner and outer end faces of the outer bulwark member (2).
6. The easy-to-install tensioning marine fairlead protective cover according to claim 5, characterized in that: The inner tensioning plate (3) is located at the narrow end of the inner bulwark member (1) and converges to one point or has a certain width, and the outer tensioning plate (4) is located at the narrow end of the outer bulwark member (2) and converges to one point or has a certain width.
7. The easy-to-install tensioning marine fairlead protective cover according to claim 6, characterized in that: The inner tightening opening (5) and the outer tightening opening (6) are arranged correspondingly on the left and right.
8. The easy-to-install tensioning marine fairlead protective cover according to claim 7, characterized in that: Inner tensioning grooves (7) are respectively arranged on both sides of the inner tensioning opening (5), inner tensioning strips (11) are respectively arranged on both sides of the inner tensioning plate (3), and the two inner tensioning strips (11) are respectively clamped in the two inner tensioning grooves (7), outer tensioning grooves (8) are respectively arranged on both sides of the outer tensioning opening (6), and outer tensioning strips (12) are respectively arranged on both sides of the outer tensioning plate (4), and the two outer tensioning strips (12) are respectively clamped in the two outer tensioning grooves (8).
9. The easy-to-install tensioning marine fairlead protective cover according to claim 8, characterized in that: The inner tensioning opening (5) extends to one end of the narrow end of the inner bulwark member (1) and converges to one point or has a certain width, and the outer tensioning opening (6) extends to one end of the narrow end of the outer bulwark member (2) and converges to one point or has a certain width.