A fixed tool for a rudder turning test

By designing a fixed fixture for rudder turning tests that includes a base plate, lifting lugs, top screw plates, and L-shaped steel plates, the problems of material waste and long painting cycles in manual rudder turning tests during shipbuilding were solved, and the stable fixing of the guide plate at the bottom of the rudder blade and the efficient conduct of rudder turning tests were achieved.

CN119427246BActive Publication Date: 2026-01-09CHENGXI SHIPYARD
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Patent Information

Application Number
CN202411463724.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2026-01-09
Estimated Expiration
2044-10-21

AI Technical Summary

Technical Problem

Existing technologies for manual steering tests during shipbuilding suffer from material waste and long painting cycles.

Method used

A fixed fixture for rudder turning tests was designed, including a base plate, lifting lugs, top screw plate, L-shaped steel plate and connecting parts. The combination of these components enables the adjustable fixing of the guide plate at the bottom of the rudder blade, ensuring the effective use of materials and the reduction of paint during rudder turning tests.

Benefits of technology

This achieved a stable fixation of the guide vane at the bottom of the rudder, reducing material waste and painting cycles, and improving the efficiency and accuracy of rudder turning tests.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of rudder turning test, and discloses a fixing tool for rudder turning test, which comprises a bottom plate, a lifting lug fixedly arranged at the bottom of the bottom plate, a center of the bottom plate, a top screw plate fixedly arranged on the bottom plate, two top screw plates symmetrically arranged on the left and right sides of the center of the bottom plate, a fixing top screw threadedly connected with the top screw plate, an L-shaped steel plate arranged on the outer wall of the bottom plate, and a connecting piece for fixedly connecting the L-shaped steel plate with the bottom plate. The rudder bottom deflector is clamped on the bottom plate through the four L-shaped steel plates, the rudder bottom deflector is pressed and fixed by rotating the fixing top screw to press against the rudder bottom deflector, the rudder turning test is carried out by using the lifting lug on the tool, the connecting piece is arranged for mounting the L-shaped steel plate on the bottom plate and simultaneously adjusting the position of the L-shaped steel plate on the bottom plate, so that the L-shaped steel plate can be adjusted according to the size of the rudder bottom deflector.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rudder turning test, in particular to a fixing tool for rudder turning test. BACKGROUND

[0002] In shipbuilding, manual rudder turning test is needed to verify the installation quality of rudder system. In the past, lifting lugs were welded in the middle of the rudder blade bottom plate, and then cut off, polished and painted several times after use, which caused waste to some extent and required a period of time for several times of painting. SUMMARY

[0003] The purpose of the present application is to provide a fixing tool for rudder turning test to solve the problems raised in the background.

[0004] To achieve the above purpose, the present application provides the following technical scheme: a fixing tool for rudder turning test, comprising a bottom plate, a lifting lug is fixedly installed at the bottom of the bottom plate, the lifting lug is located at the center position of the bottom of the bottom plate, a top screw plate is fixedly installed on the bottom plate, two top screw plates are symmetrically distributed about the center of the bottom plate, a fixing top screw is threadedly connected in the top screw plate, an L-shaped steel plate is arranged on the outer wall of the bottom plate, the L-shaped steel plate is fixedly connected with the bottom plate through a connecting piece, four L-shaped steel plates are symmetrically arranged on the outer wall of the bottom plate.

[0005] Further, the connecting piece comprises a sliding groove, the sliding groove is opened on the outer wall of the bottom plate, a sliding sleeve is slidably arranged in the sliding groove, the top of the sliding sleeve is fixedly connected with the bottom of the L-shaped steel plate, a connecting plate is fixedly installed at the bottom of the sliding sleeve, and the connecting plate is fixedly connected with the bottom plate through bolts.

[0006] Further, the top end of the fixing top screw is rotatably connected with a support disc through a bearing, and the length of the fixing top screw is greater than the thickness of the bottom plate.

[0007] Further, a positioning piece is fixedly installed at the end of the L-shaped steel plate, the positioning piece comprises a fixed sleeve, the fixed sleeve is fixedly installed at the end of the L-shaped steel plate, a connecting rod is slidably arranged in the inside of the fixed sleeve, a positioning plate is fixedly installed at the bottom end of the connecting rod, the positioning plate is located outside the fixed sleeve, a spring is fixedly installed at the top of the positioning plate, the top end of the spring is fixedly connected with the top inner wall of the fixed sleeve, and a positioning hole is opened on the outer wall of the connecting rod.

[0008] Further, a anti-dropping plate is fixedly installed at the top end of the connecting rod, and the outer diameter of the positioning plate is greater than the inner diameter of the fixed sleeve.

[0009] Further, the top end of the fixed top pin is rotationally connected with a support plate through a bearing, the inside of the support plate is slidably provided with an adjusting plate, and the upper surface of the adjusting plate is flush with the upper surface of the support plate.

[0010] Further, the bottom inner wall of the support plate is provided with threaded holes, the top of the adjusting plate is provided with countersunk grooves, the countersunk grooves and the threaded holes are provided with bolts in a threaded manner, the top end of the bolt is flush with the upper surface of the adjusting plate, the threaded holes are provided in plurality and are distributed on the support plate at equal intervals, and the countersunk grooves are provided in three.

[0011] Further, the bottom end of the L-shaped steel plate is fixedly installed with a rotating plate, the inner wall of the rotating plate is fixedly installed with a rotating shaft, and the bottom end of the rotating shaft is rotationally connected with the top end of the sliding sleeve through a bearing.

[0012] Further, the top of the rotating plate is provided with a limiting groove, the inside of the limiting groove is slidably provided with a limiting rod, and the top end of the limiting rod is fixedly connected with the top of the sliding sleeve.

[0013] Further, the bottom plate is made of I-shaped steel, the length of the bottom plate is 1400MM, and the width of the bottom plate is 140MM.

[0014] Compared with the prior art, the beneficial effects of the present application are:

[0015] 1. The rudder blade bottom deflector plate is clamped on the bottom plate through the four L-shaped steel plates, the rudder blade bottom deflector plate is pressed and fixed by rotating the fixed top pin against the rudder blade bottom deflector plate, the rudder is turned using the lifting lug on the tool for rudder turning test, the connecting piece is arranged for mounting the L-shaped steel plate on the bottom plate and adjusting the position of the L-shaped steel plate on the bottom plate, so that the L-shaped steel plate can be adjusted according to the size of the rudder blade bottom deflector plate.

[0016] 2. The support plate and the adjusting plate are arranged to further increase the contact surface of the fixed top pin to the rudder blade bottom deflector plate, and the adjusting plate can slide to adjust the position according to the shape of the rudder blade bottom deflector plate.

[0017] 3. The L-shaped steel plate and the connecting plate are connected together through the rotating shaft and the rotating plate, so that the L-shaped steel plate can rotate relative to the bottom plate, the position of the L-shaped steel plate relative to the rudder blade bottom deflector plate is adjusted by rotating the four L-shaped steel plates by a certain angle, and the L-shaped steel plate is staggered with the protrusions or depressions on the outer surface of the rudder blade bottom deflector plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the present application is shown in the figure;

[0019] Figure 2 The present application Figure 1Structure schematic diagram of bottom view;

[0020] Figure 3 Structure schematic diagram of connecting piece of the application;

[0021] Figure 4 Structure schematic diagram of explosion view of positioning piece of the application;

[0022] Figure 5 Structure schematic diagram of embodiment two of the application;

[0023] Figure 6 Structure schematic diagram of explosion view of supporting plate and adjusting plate of the application;

[0024] Figure 7 Structure schematic diagram of embodiment three of the application;

[0025] Figure 8 Structure schematic diagram of rotation shaft and connecting plate of the application.

[0026] In the figure: 1, bottom plate; 2, L-shaped steel plate; 3, lifting lug; 4, jackscrew plate; 5, fixed jackscrew; 6, connecting piece; 601, sliding groove; 602, sliding sleeve; 603, connecting plate; 7, positioning piece; 701, fixed sleeve; 702, positioning plate; 703, spring; 704, connecting rod; 705, positioning hole; 8, supporting disc; 9, supporting plate; 10, adjusting plate; 11, counterbore groove; 12, threaded hole; 13, rotation shaft; 14, rotating plate; 15, limiting rod; 16, limiting groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application.

[0028] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application.

[0029] Embodiment one

[0030] Please refer to Figures 1-4The application provides a technical scheme: a fixed tool for rudder turning test, which comprises a bottom plate 1, a lifting lug 3 fixedly installed at the bottom of the bottom plate 1, the lifting lug 3 being located at the central position of the bottom of the bottom plate 1, a top screw plate 4 fixedly installed on the bottom plate 1, the top screw plate 4 being provided with two and symmetrically distributed about the center of the bottom plate 1, a fixed top screw 5 threadedly connected in the top screw plate 4, an L-shaped steel plate 2 arranged on the outer wall of the bottom plate 1, the L-shaped steel plate 2 being fixedly connected with the bottom plate 1 through a connecting piece 6, the L-shaped steel plate 2 being provided with four and symmetrically arranged on the outer wall of the bottom plate 1, the rudder bottom deflector being clamped on the bottom plate 1 through the four L-shaped steel plates 2, the rudder bottom deflector being pressed and fixed by being pressed against the rudder bottom deflector through the rotation of the fixed top screw 5, the tool being used for rudder turning test through the lifting lug 3 on the tool during rudder turning, the connecting piece 6 being arranged for mounting the L-shaped steel plate 2 on the bottom plate 1 and simultaneously adjusting the position of the L-shaped steel plate 2 on the bottom plate 1, so that the L-shaped steel plate 2 can be adjusted according to the size of the rudder bottom deflector.

[0031] The connecting piece 6 comprises a sliding groove 601, the sliding groove 601 being formed in the outer wall of the bottom plate 1, a sliding sleeve 602 being slidingly arranged in the sliding groove 601, the top of the sliding sleeve 602 being fixedly connected with the bottom of the L-shaped steel plate 2, a connecting plate 603 being fixedly installed at the bottom of the sliding sleeve 602, the connecting plate 603 being fixedly connected with the bottom plate 1 through bolts, the sliding sleeve 602 being arranged for guiding and limiting the connecting plate 603 and simultaneously connecting the L-shaped steel plate 2 and the connecting plate 603 together, the sliding sleeve 602 and the connecting plate 603 not being separated from the bottom plate 1 when the position of the L-shaped steel plate 2 is adjusted, the lifting lug 3 being fixedly connected with the bottom plate 1 through bolts, and then the L-shaped steel plate 2 being fixedly installed on the bottom plate 1.

[0032] The top end of the fixed top screw 5 is rotatably connected with a support disc 8 through a bearing, the length of the fixed top screw 5 being greater than the thickness of the bottom plate 1, the support disc 8 being arranged for increasing the contact surface of the fixed top screw 5 and the rudder bottom deflector, so that the fixing effect of the fixed top screw 5 on the rudder bottom deflector is better.

[0033] The end of the L-shaped steel plate 2 is fixedly installed with a positioning piece 7, the positioning piece 7 comprises a fixed sleeve 701, the fixed sleeve 701 is fixedly installed at the end of the L-shaped steel plate 2, a connecting rod 704 is slidably arranged in the inside of the fixed sleeve 701, a positioning plate 702 is fixedly installed at the bottom end of the connecting rod 704, the positioning plate 702 is located outside the fixed sleeve 701, a spring 703 is fixedly installed at the top of the positioning plate 702, the top end of the spring 703 is fixedly connected with the inner wall at the top of the fixed sleeve 701, a positioning hole 705 is formed in the outer wall of the connecting rod 704, the spring 703 is arranged to push the positioning plate 702 downward, after the fixed top wire 5 lifts the rudder bottom deflector and the bottom of the positioning plate 702 contacts, the rudder bottom deflector lifts the positioning plate 702, and then drives the connecting rod 704 to move upward, until the positioning hole 705 on the connecting rod 704 is exposed, for prompting and pressing the rudder bottom deflector in place;

[0034] The top end of the connecting rod 704 is fixedly installed with an anti-disengagement plate, the outer diameter of the positioning plate 702 is greater than the inner diameter of the fixed sleeve 701, and the anti-disengagement plate is arranged to avoid disengagement of the connecting rod 704 from the fixed sleeve 701;

[0035] The bottom plate 1 is made of an I-shaped steel, the length of the bottom plate 1 is 1400MM, and the width of the bottom plate 1 is 140MM.

[0036] Working principle: in use, according to the size of the rudder bottom deflector, the sliding sleeve 602 is slid along the sliding groove 601, the connecting plate 603 and the L-shaped steel plate 2 are driven to move, so that the L-shaped steel plate 2 can be clamped on the rudder bottom deflector, then the connecting plate 603 is fixed on the bottom plate 1 by using the bolt, the size of the rudder bottom deflector passes between the bottom plate 1 and the L-shaped steel plate 2, then the fixed top wire 5 is rotated to drive the support disc 8 to move upward, the support disc 8 moves upward to lift the rudder bottom deflector, until the rudder bottom deflector is tightly pressed on the L-shaped steel plate 2, the tooling upper lifting lug 3 is used for turning test when turning, after the test is completed, the fixed top wire 5 is rotated to drive the support disc 8 to move downward, and the rudder bottom deflector is released.

[0037] Example two

[0038] Based on example one, please refer to Figures 5-6The application provides a technical scheme: a fixed tool for rudder turning test, which comprises a bottom plate 1, a lifting lug 3 fixedly installed at the bottom of the bottom plate 1, the lifting lug 3 being located at the central position of the bottom of the bottom plate 1, a top screw plate 4 fixedly installed on the bottom plate 1, the top screw plate 4 being provided with two and symmetrically distributed about the center of the bottom plate 1, a fixed top screw 5 threadedly connected in the top screw plate 4, an L-shaped steel plate 2 arranged on the outer wall of the bottom plate 1, the L-shaped steel plate 2 being fixedly connected with the bottom plate 1 through a connecting piece 6, the L-shaped steel plate 2 being provided with four and symmetrically arranged on the outer wall of the bottom plate 1, the rudder bottom guide plate being clamped on the bottom plate 1 through the four L-shaped steel plates 2, the rudder bottom guide plate being pressed and fixed by rotating the fixed top screw 5 to press against the rudder bottom guide plate, the lifting lug 3 on the tool being used for rudder turning test when the rudder is turned, and the connecting piece 6 being arranged to install the L-shaped steel plate 2 on the bottom plate 1 and simultaneously adjust the position of the L-shaped steel plate 2 on the bottom plate 1, so that the L-shaped steel plate 2 can be adjusted according to the size of the rudder bottom guide plate.

[0039] The top end of the fixed top screw 5 is rotatably connected with a support plate 9 through a bearing, an adjusting plate 10 is slidably arranged in the support plate 9, the upper surface of the adjusting plate 10 is flush with the upper surface of the support plate 9, the support plate 9 and the adjusting plate 10 are arranged to further increase the contact surface of the fixed top screw 5 on the rudder bottom guide plate, and the adjusting plate 10 can slide to adjust the position according to the shape of the rudder bottom guide plate.

[0040] A threaded hole 12 is formed in the bottom inner wall of the support plate 9, a countersunk groove 11 is formed in the top of the adjusting plate 10, a bolt is threadedly arranged in the threaded hole 12 and the countersunk groove 11, the top end of the bolt is flush with the upper surface of the adjusting plate 10, the threaded hole 12 is provided with a plurality of and is equally spaced on the support plate 9, and the countersunk groove 11 is provided with three, after the position of the adjusting plate 10 is adjusted, the adjusting plate 10 and the support plate 9 are fixedly connected together through the bolt, the countersunk groove 11 is arranged to ensure that the upper surface of the bolt is flush with the upper surface of the adjusting plate 10, thereby avoiding that the bolt protrusion causes the adjusting plate 10 to be unable to support the rudder bottom guide plate.

[0041] Working principle: when the rudder bottom guide plate is placed on the bottom plate 1, pull the adjusting plate 10 to move along the support plate 9, so that the adjusting plate 10 can support the rudder bottom guide plate, then rotate the fixed top screw 5 to drive the support plate 9 to move upwards, thereby driving the adjusting plate 10 to move upwards to lift the rudder bottom guide plate, until the rudder bottom guide plate is pressed on the L-shaped steel plate 2.

[0042] Embodiment three

[0043] On the basis of embodiment two, please refer to Figures 7-8The application provides a technical scheme: a fixed tool for rudder turning test, which comprises a bottom plate 1, a lifting lug 3 fixedly installed at the bottom of the bottom plate 1, the lifting lug 3 being located at the central position of the bottom of the bottom plate 1, a top screw plate 4 fixedly installed on the bottom plate 1, the top screw plate 4 being provided with two and symmetrically distributed about the center of the bottom plate 1, a fixed top screw 5 threadedly connected in the top screw plate 4, an L-shaped steel plate 2 arranged on the outer wall of the bottom plate 1, the L-shaped steel plate 2 being fixedly connected with the bottom plate 1 through a connecting piece 6, the L-shaped steel plate 2 being provided with four and symmetrically arranged on the outer wall of the bottom plate 1, the rudder bottom deflector being clamped on the bottom plate 1 through the four L-shaped steel plates 2, the rudder bottom deflector being pressed and fixed by rotating the fixed top screw 5 against the rudder bottom deflector, the lifting lug 3 on the tool being used for rudder turning test, the connecting piece 6 being arranged for mounting the L-shaped steel plate 2 on the bottom plate 1 and simultaneously adjusting the position of the L-shaped steel plate 2 on the bottom plate 1, so that the L-shaped steel plate 2 can be adjusted according to the size of the rudder bottom deflector.

[0044] The connecting piece 6 comprises a sliding groove 601, the sliding groove 601 being arranged on the outer wall of the bottom plate 1, a sliding sleeve 602 being slidably arranged in the sliding groove 601, the top of the sliding sleeve 602 being fixedly connected with the bottom of the L-shaped steel plate 2, a connecting plate 603 being fixedly installed at the bottom of the sliding sleeve 602, the connecting plate 603 being fixedly connected with the bottom plate 1 through bolts, the sliding sleeve 602 being arranged for guiding and limiting the connecting plate 603 and simultaneously connecting the L-shaped steel plate 2 and the connecting plate 603 together, the sliding sleeve 602 and the connecting plate 603 not being separated from the bottom plate 1 when the position of the L-shaped steel plate 2 is adjusted, the lifting lug 3 being fixedly connected with the bottom plate 1 through bolts, and then the L-shaped steel plate 2 being fixedly mounted on the bottom plate 1.

[0045] The bottom end of the L-shaped steel plate 2 is fixedly installed with a rotating plate 14, the inner wall of the rotating plate 14 is fixedly installed with a rotating shaft 13, the bottom end of the rotating shaft 13 is rotatably connected with the top end of the sliding sleeve 602 through a bearing, the L-shaped steel plate 2 and the connecting plate 603 are connected together through the rotating shaft 13 and the rotating plate 14, so that the L-shaped steel plate 2 can rotate relative to the bottom plate 1, the position of the L-shaped steel plate 2 relative to the rudder bottom deflector is adjusted by rotating the four L-shaped steel plates 2 by a certain angle, and the L-shaped steel plate 2 is staggered with the protrusion or the depression when the protrusion or the depression appears on the outer surface of the rudder bottom deflector.

[0046] The top of the rotating plate 14 is provided with a limiting groove 16, a limiting rod 15 is slidably arranged in the limiting groove 16, the top end of the limiting rod 15 is fixedly connected with the top of the sliding sleeve 602, and the limiting rod 15 and the limiting groove 16 are arranged for limiting the rotating angle of the L-shaped steel plate 2.

[0047] Working principle: when using, the rudder bottom deflector is placed on the bottom plate 1, then the L-shaped steel plate 2 is rotated to adjust the position of the L-shaped steel plate 2 relative to the rudder bottom deflector, so that the L-shaped steel plate 2 cannot be normally pressed on the rudder bottom deflector.

[0048] All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor fall within the scope of protection of the present application.

Claims

1. A fixed tooling for a turning test, comprising a base plate (1), characterized in that: The bottom of the bottom plate (1) is fixedly provided with an ear (3), the ear (3) is located at the center of the bottom of the bottom plate (1), the bottom plate (1) is fixedly provided with a top screw plate (4), the top screw plate (4) is provided with two, and is symmetrically distributed about the center of the bottom plate (1), the top screw plate (4) is internally threadedly connected with a fixed top screw (5), an L-shaped steel plate (2) is arranged on the outer wall of the bottom plate (1), the L-shaped steel plate (2) is fixedly connected with the bottom plate (1) through a connecting piece (6), the L-shaped steel plate (2) is provided with four, and the four L-shaped steel plates (2) are symmetrically arranged on the outer wall of the bottom plate (1); The connecting piece (6) comprises a sliding groove (601), the sliding groove (601) is formed in the outer wall of the bottom plate (1), a sliding sleeve (602) is slidably arranged in the sliding groove (601), the top of the sliding sleeve (602) is fixedly connected with the bottom of the L-shaped steel plate (2), and the bottom of the sliding sleeve (602) is fixedly provided with a connecting plate (603); the connecting plate (603) is fixedly connected with the bottom plate (1) through bolts; The top end of the fixed top screw (5) is rotatably connected with a support disc (8) through a bearing, and the length of the fixed top screw (5) is greater than the thickness of the bottom plate (1); The end of the L-shaped steel plate (2) is fixedly provided with a positioning piece (7), the positioning piece (7) comprises a fixed sleeve (701), the fixed sleeve (701) is fixedly installed at the end of the L-shaped steel plate (2), a connecting rod (704) is slidably arranged in the fixed sleeve (701), the bottom end of the connecting rod (704) is fixedly provided with a positioning plate (702), the positioning plate (702) is located outside the fixed sleeve (701), the top of the positioning plate (702) is fixedly provided with a spring (703), the top end of the spring (703) is fixedly connected with the top inner wall of the fixed sleeve (701), and a positioning hole (705) is formed in the outer wall of the connecting rod (704); The top end of the fixed top screw (5) is rotatably connected with a support plate (9) through a bearing, and the top end of the fixed top screw (5) is rotatably connected with a support plate (9) through a bearing. The bottom inner wall of the support plate (9) is provided with a threaded hole (12), and the top of the adjusting plate (10) is provided with a countersunk groove (11), the threaded hole (12) and the countersunk groove (11) are internally threadedly provided with bolts, and the top end of the bolt is flush with the upper surface of the adjusting plate (10), the threaded hole (12) is provided with a plurality of threaded holes (12), and the threaded holes (12) are evenly distributed on the support plate (9), and the countersunk groove (11) is provided with three countersunk grooves (11).

2. The test fixture of claim 1, wherein: The top end of the connecting rod (704) is fixedly provided with an anti-dropping plate, and the outer diameter of the positioning plate (702) is greater than the inner diameter of the fixed sleeve (701).

3. The test fixture of claim 1, wherein: The bottom end of the L-shaped steel plate (2) is fixedly provided with a rotating plate (14), the inner wall of the rotating plate (14) is fixedly provided with a rotating shaft (13), and the bottom end of the rotating shaft (13) is rotatably connected with the top end of the sliding sleeve (602) through a bearing.

4. The test fixture of claim 3, wherein: The top of the rotating plate (14) is provided with a limiting groove (16), the inside of the limiting groove (16) is slidably provided with a limiting rod (15), and the top of the limiting rod (15) is fixedly connected with the top of a sliding sleeve (602).

5. The test fixture of claim 1, wherein: The bottom plate (1) is made of an I-shaped steel, the length of the bottom plate (1) is 1400MM, and the width of the bottom plate (1) is 140MM.

Citation Information

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