Ship shafting centering stay wire device
By installing screw holes and mounting panels, the problem of welding aluminum hulls is solved, the operation steps for shaft alignment are simplified, the convenience and accuracy of shaft alignment are improved, damage to aluminum hulls is avoided, and the operation of aluminum hulls is simplified and enhanced.
Patent Information
- Application Number
- CN202520170317.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-25
AI Technical Summary
In the existing technology, aluminum hulls cannot be fixed to the reference bracket by welding, which makes shaft alignment operation complicated and time-consuming, and makes it difficult to achieve accurate alignment.
The rudder shaft alignment cable device, consisting of a mounting panel, a hanging plate, and a connecting arm, is bolted to the stern plate, avoiding welding and providing greater operating space and higher precision.
The operation steps for shaft alignment have been simplified, improving efficiency and ease of operation. This ensures the ease of operation of the shaft alignment cable device, avoids damage to the aluminum hull, and enhances the reliability and accuracy of operation.
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Figure CN223672737U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ship engineering technical field especially relates to a ship shafting centering guy device. BACKGROUND
[0002] The aluminum alloy ship body structure ship adopting the water jet propulsion device form has been widely applied in the military ship and the civil ship field because of its excellent ship rapidity and flexibility. The propulsion system of this kind of ship includes the water jet propulsion device, and the device has higher efficiency and lower energy consumption and shows significant advantages in specific use occasions. However, the centering work of the propulsion shafting in the water jet propulsion device, especially the accurate centering of the shafting, often becomes the frequent and repetitive task in the ship maintenance process.
[0003] At present, the most traditional and widely applied shafting centering method is the "shafting guy centering method". The core step of the method is to accurately find the point according to the front and rear reference points to ensure the correct centering of the shafting. Especially the finding work of the rear reference point usually needs to spend a lot of time and energy because of its technical complexity and tediousness. In the specific operation process, the common method is to first weld the rear reference support on the ship body site, then fix the support according to the set rear reference point, and finally complete the accurate centering of the shafting.
[0004] For the steel ship body, the fixing of the rear reference support can be directly completed through welding because the steel ship body can bear the welding operation. However, the aluminum ship body is not suitable for repeated welding because of the material properties and structural requirements, so the direct welding mode cannot be adopted to fix the rear reference support. SUMMARY
[0005] The utility model aims at providing a ship shafting centering guy device, which can simplify the operation steps of shafting centering, increase the accuracy of finding the rear reference point, avoid repeated welding on the aluminum ship body, and effectively improve the working efficiency and operation convenience of shafting centering.
[0006] In order to achieve the above purpose, the utility model provides a ship shafting centering guy device, the ship includes a stern plate, the stern plate is equipped with a mounting flange, and the ship shafting centering guy device includes:
[0007] A mounting panel is provided with a wire passing hole and a mounting screw hole, and the mounting panel is mounted on the mounting flange through the mounting screw hole;
[0008] A wire hanging plate is arranged in the front-rear direction with the mounting panel, and the front end of the wire hanging plate is provided with a wire hanging part for connecting the guy wire to the wire hanging part;
[0009] A connecting arm, two ends of the connecting arm are connected to the mounting panel and the hanging line panel respectively.
[0010] Further, the mounting panel comprises a wire passing barrel and a plurality of mounting plate bodies which are uniformly and circumferentially spaced on the outer peripheral wall of the wire passing barrel, the wire passing hole is arranged on the wire passing barrel, and the mounting screw hole is arranged on each mounting plate body.
[0011] Further, a plurality of first mounting grooves are arranged on the stern plate, the first mounting grooves are located on the inner side of the mounting flange, the front end surface of each mounting plate body is provided with a positioning plate, and a plurality of positioning plates can be one-to-one fitted into a plurality of first mounting grooves.
[0012] Further, a second mounting groove is arranged on the stern plate, the second mounting groove is located on the inner side of the first mounting groove, the front end of the wire passing barrel protrudes from the front end of the mounting plate body, and the front end of the wire passing barrel can be fitted into the second mounting groove.
[0013] Further, a fitting plate is arranged between two adjacent mounting plate bodies.
[0014] Further, a rib plate is arranged between the wire passing barrel and each mounting plate body.
[0015] Further, the ship shafting centering stay wire device comprises a plurality of connecting arms, and the front ends of the plurality of connecting arms are one-to-one connected to the rear end surfaces of the plurality of mounting plate bodies.
[0016] Further, the mounting plate body is a fan-shaped plate, the rib plate extends along the center line of the mounting plate body, the connecting arm is located on one side of the rib plate, and the mounting screw hole is located on the other side of the rib plate.
[0017] Further, the hanging line part comprises a bracket and a roller, the bracket is mounted on the front end of the hanging line panel, the roller is rotatably connected to the bracket, the roller is provided with a wire containing groove, and the stay wire is lapped on the wire containing groove.
[0018] The ship shafting centering guy device has the beneficial effects that: the installation screw hole and the installation flange are connected through bolts, the ship shafting centering guy device is installed on the stern plate, when the guy operation is needed, the device is convenient and fast to disassemble and assemble, and repeated welding on the aluminum alloy ship body is avoided, thereby overcoming the technical limitation that the aluminum ship body is not suitable for welding, so as to avoid unnecessary damage to the ship body; the installation panel and the wire hanging plate are arranged in the front-rear direction, so that the guy has more operation space between the installation panel and the wire hanging plate, the guy is directly lapped on the wire hanging part after the heavy object is connected to the guy, so that the guy is tensioned, and the determination of the reference point and the guy operation can be more conveniently and reliably performed. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a front view of the ship shafting centering guy device of the utility model embodiment;
[0020] Figure 2 is Figure 1 is a sectional view of A-A;
[0021] Figure 3 is a structural schematic view of the installation panel of the ship shafting centering guy device of the utility model embodiment;
[0022] Figure 4 is a structural schematic view of the wire hanging plate and the connecting arm of the ship shafting centering guy device of the utility model embodiment;
[0023] In the figure, 1, installation panel; 101, wire passing barrel; 1011, wire passing hole; 102, installation plate body; 1021, installation screw hole; 1022, positioning plate; 103, lamination plate; 104, rib plate;
[0024] 2, wire hanging plate; 201, wire hanging part;
[0025] 3, connecting arm. DETAILED DESCRIPTION
[0026] The specific implementation of the utility model will be further described in detail in combination with the drawings and the embodiments. The following embodiments are used to illustrate the utility model, but are not used to limit the scope of the utility model.
[0027] The specific implementation of the utility model will be further described in detail in combination with the drawings and the embodiments. The following embodiments are used to illustrate the utility model, but are not used to limit the scope of the utility model.
[0028] In this description of the utility model, the terms "upper," "lower," "left," "right," "front," "rear," "inner," "outer," "lateral," and "longitudinal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are used solely for the convenience of describing the utility model and for simplifying the description, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.
[0029] In this description of the utility model, the terms "provided with," "set up," "connected," and "placed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0030] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.
[0031] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.
[0032] like Figure 1 As shown in the figure, an embodiment of the present invention provides a ship shafting centering cable device. The ship includes a stern plate, on which a mounting flange is provided. The ship shafting centering cable device includes:
[0033] Mounting panel 1, with wire hole 1011 and mounting screw hole 1021, for mounting panel 1 to the mounting flange;
[0034] Hanging plate 2, mounting panel 1 and hanging plate 2 are spaced apart in the front and back direction, and the front end of hanging plate 2 is provided with hanging part 201 for attaching the pull wire to hanging part 201.
[0035] Connecting arm 3, with its two ends connected to mounting panel 1 and hanging plate 2 respectively.
[0036] Based on the above technical scheme, the mounting screw hole 1021 is connected with the mounting flange through a bolt, the ship shafting centering pull wire device is installed on the stern plate, when the pull wire operation is needed, the pull wire device is convenient and fast to disassemble and assemble, and repeated welding on the aluminum alloy ship body is avoided, so that the technical limitation that the aluminum ship body is not suitable for welding is overcome, so as to avoid unnecessary damage to the ship body; the mounting panel 1 and the wire hanging plate 2 are arranged in the front-rear direction, so that the pull wire has more operation space between the mounting panel 1 and the wire hanging plate 2, the pull wire is directly lapped on the wire hanging part 201 after the heavy object is connected to the pull wire, so that the tension of the pull wire is performed, the determination of the reference point and the pull wire operation can be more conveniently and reliably performed.
[0037] Preferably, the mounting panel 1 comprises a wire passing barrel 101 and a plurality of mounting plate bodies 102 which are uniformly and spacedly arranged on the outer peripheral wall of the wire passing barrel 101, and a wire passing hole 1011 is arranged on the wire passing barrel 101. Each mounting plate body 102 is provided with a mounting screw hole 1021.
[0038] In a specific embodiment, at least two mounting screw holes 1021 are arranged on each mounting plate body 102, and the mounting screw holes 1021 on the same mounting plate body 102 are arranged in the radial direction of the wire passing barrel 101.
[0039] The plurality of mounting plate bodies 102 are uniformly and spacedly arranged along the outer peripheral wall of the wire passing barrel 101, which enhances the contact area between the mounting panel 1 and the stern plate, ensures that the ship shafting centering pull wire device will not be deformed or loosened due to excessive tension of the pull wire during the pull wire operation, and improves the reliability of long-term use of the device.
[0040] More preferably, a plurality of first mounting grooves are arranged on the stern plate, the first mounting grooves are located on the inner side of the mounting flange, the front end surface of each mounting plate body 102 is provided with a positioning plate 1022, and the plurality of positioning plates 1022 can be one-to-one fitted into the plurality of first mounting grooves. Before the mounting screw hole 1021 is connected with the mounting flange through a bolt, the positioning is performed through the fitting between the first mounting groove and the positioning plate 1022, so as to ensure the accurate position of the mounting plate body 102 during the installation process, avoid the deviation of the device caused by inaccurate position or looseness, improve the stability and precision of the overall structure, and make the installation process more convenient, so that the operator can reduce the adjustment and calibration time, and significantly improve the installation efficiency.
[0041] More preferably, the second installation groove is arranged on the stern plate and located at the inner side of the first installation groove, the front end of the wire passing barrel 101 protrudes from the front end of the installation plate body 102, and the front end of the wire passing barrel 101 can be embedded into the second installation groove. The precise butt joint between the wire passing barrel 101 and the installation plate body 102 is ensured, the stability of the assembly is enhanced, displacement or loosening of the device during use is prevented, the installation accuracy of the device is improved, the wire passing barrel 101 is fixed at a predetermined position, the stability of the pull wire during the pull wire operation can be effectively maintained, the accuracy of the pull wire position is ensured, and the accuracy of the shafting alignment of the ship is enhanced.
[0042] More preferably, the abutting plate 103 is arranged between the adjacent two installation plate bodies 102. The abutting plate 103 can strengthen the connection between the installation plate bodies 102, disperse the tensile force and stress generated during use, especially in a large-vibration environment such as a ship, the abutting plate 103 effectively enhances the fatigue resistance and impact resistance of the device, so that the installation plate body 102 is not locally deformed due to vibration, and the durability and reliability are ensured. Moreover, the abutting plate 103 can be preliminarily fixed before the installation screw hole 1021 and the installation flange are connected by the bolt, under the positioning effect of the first installation groove and the positioning plate 1022 and the second installation groove and the wire passing barrel 101, the small deviation of the bolt connection can be assisted to reduce, the installation accuracy is ensured, and the result of the subsequent shafting alignment operation is more reliable.
[0043] More preferably, the rib plate 104 is arranged between the wire passing barrel 101 and each installation plate body 102. The addition of the rib plate 104 improves the fatigue resistance of the connection part of the wire passing barrel 101 and the installation plate body 102, especially in a high-vibration environment such as a ship, the rib plate 104 can effectively alleviate the fatigue damage caused by vibration or repeated load, thereby improving the service life and reliability, avoiding deformation of the installation plate body 102, and ensuring the reliability of the installation panel 1 installation, thereby affecting the result of the shafting alignment operation.
[0044] More preferably, the ship shafting alignment pull wire device comprises a plurality of connection arms 3, and the front ends of the plurality of connection arms 3 are connected to the rear end faces of the plurality of installation plate bodies 102 one by one.
[0045] Specifically, the connection arm 3 is an aluminum angle.
[0046] More preferably, the mounting plate body 102 is a fan-shaped plate, the rib plate 104 extends along the center line of the mounting plate body 102, the connecting arm 3 is located on one side of the rib plate 104, and the mounting screw hole 1021 is located on the other side of the rib plate 104. By arranging the connecting arm 3 on one side of the rib plate 104 and the mounting screw hole 1021 on the other side of the rib plate 104, the stress point layout of the mounting plate body 102 is optimized, so that the stress distribution of the connecting arm 3 and the mounting screw hole 1021 is more uniform, material fatigue or damage caused by excessive stress concentration or repeated vibration of the ship is avoided, and the structural stability and service life are improved.
[0047] Preferably, the wire hanging part 201 comprises a bracket and a roller, the bracket is mounted at the front end of the wire hanging plate 2, the roller is rotatably connected to the bracket, the roller is provided with a wire containing groove, and the pull wire is lapped on the wire containing groove. The wire containing groove enables the pull wire to be stably lapped on the roller, ensures that the pull wire will not slip off or deviate when tensioned, improves the accuracy of the reference point finding, ensures the accuracy of the shafting centering operation, avoids errors caused by the pull wire loosening or deviating, and improves the work stability (the bracket and the roller are not shown in the drawings).
[0048] In summary, the ship shafting centering pull wire device provided by the embodiment of the present application connects the mounting screw hole 1021 and the mounting flange through a bolt, installs the ship shafting centering pull wire device on the stern plate, and when the pull wire operation is needed, the device is convenient and fast to disassemble and assemble, and repeated welding on the aluminum alloy ship body is avoided, thereby overcoming the technical limitation that the aluminum ship body is not suitable for welding, so as to avoid unnecessary damage to the ship body; the mounting panel 1 and the wire hanging plate 2 are arranged in a front-rear direction, so that the pull wire has more operation space between the mounting panel 1 and the wire hanging plate 2, the pull wire can be directly lapped on the wire hanging part 201 after the heavy object is hoisted and connected to the pull wire, the tensioning of the pull wire is facilitated, the determination of the reference point and the pull wire operation can be more conveniently and reliably performed.
[0049] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make some improvements and substitutions without departing from the technical principles of the present application, and these improvements and substitutions should also be regarded as the protection scope of the present application.
Claims
1. A ship shafting alignment puller device, said ship comprising a stern plate, said stern plate having a mounting flange provided thereon, characterized in that, The utility model relates to a kind of installation panel and hanging line plate, including: Mounting panel (1), the through hole (1011) is opened in the mounting panel (1), and mounting screw hole (1021) is opened in the mounting panel (1), for the mounting panel (1) is installed on the mounting flange; Hanging line plate (2), the mounting panel (1) and the hanging line plate (2) are spaced apart in front and back direction, and the front end of the hanging line plate (2) is equipped with hanging line part (201), for the stay wire is overlapped on the hanging line part (201); Connecting arm (3), both ends of the connecting arm (3) are connected to the mounting panel (1) and the hanging line plate (2) respectively.
2. A ship shafting centering guy device according to claim 1, characterised in that, The mounting panel (1) includes through line cylinder (101) and multiple installation plate bodies (102) being evenly spaced in circumferential direction on the outer peripheral wall of the through line cylinder (101), and the through hole (1011) is arranged on the through line cylinder (101), and the mounting screw hole (1021) is opened in each installation plate body (102).
3. A ship shafting centering guy device according to claim 2, characterised in that, A plurality of first installation grooves are opened on the transom, and the first installation grooves are located on the inner side of the mounting flange, and the front end surface of each installation plate body (102) is equipped with positioning plate (1022), and multiple positioning plates (1022) can be one-to-one fitted into multiple first installation grooves.
4. The ship shafting centering guy device of claim 3, wherein, Second installation groove is opened on the transom, and the second installation groove is located on the inner side of the first installation groove, and the front end of the through line cylinder (101) protrudes from the front end of the installation plate body (102), and the front end of the through line cylinder (101) can be fitted into the second installation groove.
5. The ship shafting centering guy device of claim 2 wherein, Adjacent two installation plate bodies (102) are equipped with abutting plate (103).
6. The ship shafting centering guy device of claim 2 wherein, Rib plate (104) is arranged between the through line cylinder (101) and each installation plate body (102).
7. A ship shafting centering guy device according to claim 6, characterised in that, Multiple connecting arms (3) are included, and the front end of multiple connecting arms (3) is connected to the rear end surface of multiple installation plate bodies (102) one by one.
8. The ship shafting centering guy device of claim 7, wherein, The installation plate body (102) is a sector plate, the rib plate (104) extends along the center line of the installation plate body (102), the connecting arm (3) is located on one side of the rib plate (104), and the mounting screw hole (1021) is located on the other side of the rib plate (104).
9. The ship shafting centering guy device of claim 1 wherein, The hanging line part (201) includes a bracket and a roller, the bracket is mounted on the front end of the hanging line plate (2), the roller is rotatably connected to the bracket, the roller is equipped with a wire containing groove, and the stay wire is overlapped on the wire containing groove.