Fixing tool for steering test

Abstract

The invention relates to the technical field of steering tests, and discloses a steering test fixing tool which comprises a bottom plate, a lifting lug is fixedly mounted at the bottom of the bottom plate and located at the center of the bottom of the bottom plate, and two jackscrew plates are fixedly mounted on the bottom plate and distributed in a bilateral symmetry mode about the center of the bottom plate. A jackscrew plate is arranged on the bottom plate, a fixing jackscrew is in threaded connection with the interior of the jackscrew plate, L-shaped steel plates are arranged on the outer wall of the bottom plate, the L-shaped steel plates are fixedly connected with the bottom plate through connecting pieces, the rudder blade bottom guide plate is clamped on the bottom plate through the four L-shaped steel plates, and the rudder blade bottom guide plate is pressed and fixed by rotating the fixing jackscrew to abut against the rudder blade bottom guide plate. During steering, the lifting lug on the tool is used for performing a steering test, and the connecting piece is arranged to be used for installing 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 guide plate at the bottom of the rudder blade.

Description

Technical Field

[0001] The invention relates to the technical field of steering test, in particular to a fixing tool for steering test. Background Art

[0002] During ship construction, manual rudder turning tests are required to verify the quality of rudder system installation. In the past, the lugs were welded in the middle of the rudder blade bottom plate, which were then cut off, polished, and repainted several times after use, resulting in a certain degree of waste and requiring a period of time for repeated repainting. Summary of the invention

[0003] The object of the present invention is to provide a fixing fixture for steering test to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fixed tool for steering test, comprising a base plate, a lifting ear fixedly installed on the bottom of the base plate, the lifting ear is located at the center of the bottom of the base plate, a top screw plate is fixedly installed on the base plate, two top screw plates are provided, and are symmetrically distributed about the center of the base plate, a fixed top screw is connected to the internal thread of the top screw plate, an L-shaped steel plate is provided on the outer wall of the base plate, the L-shaped steel plate is fixedly connected to the base plate through a connecting piece, four L-shaped steel plates are provided, and the four L-shaped steel plates are symmetrically arranged on the outer wall of the base plate.

[0005] Furthermore, the connecting member includes a slide groove, which is opened on the outer wall of the base plate. A sliding sleeve is slidably arranged in the slide groove. The top of the sliding sleeve is fixedly connected to the bottom of the L-shaped steel plate. A connecting plate is fixedly installed on the bottom of the sliding sleeve, and the connecting plate is fixedly connected to the base plate by bolts.

[0006] Furthermore, the top end of the fixed top screw is rotatably connected to a support plate via a bearing, and the length of the fixed top screw is greater than the thickness of the bottom plate.

[0007] Furthermore, a positioning piece is fixedly installed at the end of the L-shaped steel plate, and the positioning piece includes a fixed sleeve, and the fixed sleeve is fixedly installed at the end of the L-shaped steel plate. A connecting rod is slidably provided inside the fixed sleeve, and a positioning plate is fixedly installed at the bottom end of the connecting rod. The positioning plate is located outside the fixed sleeve, and a spring is fixedly installed on the top of the positioning plate. The top end of the spring is fixedly connected to the top inner wall of the fixed sleeve, and a positioning hole is opened on the outer wall of the connecting rod.

[0008] Furthermore, an anti-drop plate is fixedly mounted on the top end of the connecting rod, and the outer diameter of the positioning plate is larger than the inner diameter of the fixing sleeve.

[0009] Furthermore, the top end of the fixed top screw is rotatably connected to a support plate via a bearing, an adjustment plate is slidably arranged inside the support plate, and the upper surface of the adjustment plate is flush with the upper surface of the support plate.

[0010] Furthermore, a threaded hole is provided on the inner wall of the bottom of the support plate, and a countersunk groove is provided on the top of the adjustment plate. Bolts are provided in the threads of the countersunk groove and the threaded hole, and the top of the bolt is flush with the upper surface of the adjustment plate. There are multiple threaded holes, which are evenly spaced on the support plate, and there are three countersunk grooves.

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

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

[0013] Furthermore, 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 present invention has the following beneficial effects: 1. Clamp the guide plate at the bottom of the rudder blade onto the bottom plate through four L-shaped steel plates, press and fix the guide plate at the bottom of the rudder blade by rotating the fixing top screw to hold the guide plate at the bottom of the rudder blade, use the lifting lug on the tooling to conduct the rudder turning test when turning the rudder, and set the connecting piece to install the L-shaped steel plate on the bottom plate, and to adjust 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 guide plate at the bottom of the rudder blade; 2. A support plate and an adjustment plate are provided to further increase the contact surface of the fixed top screw with the guide plate at the bottom of the rudder blade, and the adjustment plate can slide to adjust the position according to the shape of the guide plate at the bottom of the rudder blade; 3. Connect the L-shaped steel plate and the connecting plate together through the rotating shaft and the rotating plate, so that the L-shaped steel plate can rotate relative to the bottom plate. By rotating the four L-shaped steel plates at a certain angle, adjust the position of the L-shaped steel plate relative to the guide plate at the bottom of the rudder blade. When there is a bulge or depression on the outer surface of the guide plate at the bottom of the rudder blade, stagger the L-shaped steel plate with the bulge or depression. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 For the present invention Figure 1 A schematic diagram of the structure from the bottom looking up; Figure 3It is a structural schematic diagram of the connecting piece of the present invention; Figure 4 It is a structural schematic diagram of an exploded view of a positioning member of the present invention; Figure 5 This is a schematic diagram of the structure of Embodiment 2 of the present invention; Figure 6 It is a structural schematic diagram of an exploded view of a support plate and an adjustment plate of the present invention; Figure 7 This is a schematic diagram of the structure of Embodiment 3 of the present invention; Figure 8 It is a schematic structural diagram of the rotating shaft and the connecting plate of the present invention.

[0016] In the figure: 1. bottom plate; 2. L-shaped steel plate; 3. lifting ear; 4. top screw plate; 5. fixed top screw; 6. connecting piece; 601. slide 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 plate; 9. supporting plate; 10. adjusting plate; 11. countersunk groove; 12. threaded hole; 13. rotating shaft; 14. rotating plate; 15. limiting rod; 16. limiting groove. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] Embodiment 1 See also Figure 1-Figure 4The present invention provides a technical solution: a fixed tool for steering test, comprising a bottom plate 1, a lifting ear 3 is fixedly installed at the bottom of the bottom plate 1, the lifting ear 3 is located at the center of the bottom of the bottom plate 1, a top screw plate 4 is fixedly installed on the bottom plate 1, two top screw plates 4 are provided, and are symmetrically distributed about the center of the bottom plate 1, the top screw plate 4 is internally threaded with a fixed top screw 5, an L-shaped steel plate 2 is provided on the outer wall of the bottom plate 1, the L-shaped steel plate 2 is fixedly connected to the bottom plate 1 through a connecting piece 6, and the L-shaped steel plate 2 is provided with four Four L-shaped steel plates 2 are symmetrically arranged on the outer wall of the bottom plate 1. The bottom guide plate of the rudder blade is clamped on the bottom plate 1 through the four L-shaped steel plates 2. The bottom guide plate of the rudder blade is pressed and fixed by rotating the fixing top screw 5 to support the bottom guide plate of the rudder blade. When turning the rudder, the upper lifting lug 3 of the tooling is used to perform the turning test. A connecting piece 6 is provided to install the L-shaped steel plate 2 on the bottom plate 1 and to 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 bottom guide plate of the rudder blade; The connecting member 6 includes a slide groove 601, which is opened on the outer wall of the bottom plate 1. A sliding sleeve 602 is slidably arranged in the slide groove 601. The top of the sliding sleeve 602 is fixedly connected to the bottom of the L-shaped steel plate 2. A connecting plate 603 is fixedly installed at the bottom of the sliding sleeve 602. The connecting plate 603 is fixedly connected to the bottom plate 1 by bolts. The sliding sleeve 602 is provided to guide and limit the connecting plate 603, and connect the L-shaped steel plate 2 and the connecting plate 603 together. When the position of the L-shaped steel plate 2 is adjusted, the sliding sleeve 602 and the connecting plate 603 will not be separated from the bottom plate 1. The 0 lifting ear 3 is fixedly connected to the bottom plate 1 by bolts, and then the L-shaped steel plate 2 is fixedly installed on the bottom plate 1; The top end of the fixed top screw 5 is rotatably connected to a support plate 8 through a bearing. The length of the fixed top screw 5 is greater than the thickness of the bottom plate 1. The support plate 8 is provided to increase the contact surface between the fixed top screw 5 and the guide plate at the bottom of the rudder blade, so that the fixing effect of the fixed top screw 5 on the guide plate at the bottom of the rudder blade is better. A positioning member 7 is fixedly installed at the end of the L-shaped steel plate 2. The positioning member 7 includes a fixing sleeve 701. The fixing sleeve 701 is fixedly installed at the end of the L-shaped steel plate 2. A connecting rod 704 is slidably provided inside the fixing 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 fixing sleeve 701. A spring 703 is fixedly installed on the top of the positioning plate 702. The top of the spring 703 is fixedly connected to the top inner wall of the fixing sleeve 701. A positioning hole 705 is opened on the outer wall of the connecting rod 704. The spring 703 is provided for pushing the positioning plate 702 downward. After the fixing top screw 5 lifts up the guide plate at the bottom of the rudder blade and contacts the bottom of the positioning plate 702, the guide plate at the bottom of the rudder blade lifts up the positioning plate 702, thereby driving the connecting rod 704 to move upward until the positioning hole 705 on the connecting rod 704 is exposed, which is used to prompt and press the guide plate at the bottom of the rudder blade into place. The top of the connecting rod 704 is fixedly installed with an anti-slip plate. The outer diameter of the positioning plate 702 is larger than the inner diameter of the fixed sleeve 701. The anti-slip plate is provided to prevent the connecting rod 704 from being detached from the fixed sleeve 701. The bottom plate 1 is made of I-shaped steel, the length of the bottom plate 1 is 1400MM, and the width of the bottom plate 1 is 140MM.

[0020] Working principle: When in use, according to the size of the guide plate at the bottom of the rudder blade, slide the sliding sleeve 602 along the slide groove 601 to drive the connecting plate 603 and the L-shaped steel plate 2 to move, and ensure that the L-shaped steel plate 2 can be stuck on the guide plate at the bottom of the rudder blade, and then use bolts to fix the connecting plate 603 on the bottom plate 1, pass through between the bottom plate 1 and the L-shaped steel plate 2 according to the size of the guide plate at the bottom of the rudder blade, and then rotate the fixed top screw 5 to make the fixed top screw 5 drive the supporting plate 8 to move upward, and the supporting plate 8 moves upward to lift the guide plate at the bottom of the rudder blade until the guide plate at the bottom of the rudder blade is tightly pressed against the L-shaped steel plate 2. When turning the rudder, use the lifting ear 3 on the tooling to perform a turning test. After the test is completed, rotate the fixed top screw 5 to make the fixed top screw 5 drive the supporting plate 8 to move downward, and loosen the guide plate at the bottom of the rudder blade.

[0021] Embodiment 2 Based on Example 1, please refer to Figure 5-Figure 6 The present invention provides a technical solution: a fixed tool for steering test, comprising a bottom plate 1, a lifting ear 3 is fixedly installed at the bottom of the bottom plate 1, the lifting ear 3 is located at the center of the bottom of the bottom plate 1, a top screw plate 4 is fixedly installed on the bottom plate 1, two top screw plates 4 are provided, and are symmetrically distributed about the center of the bottom plate 1, the top screw plate 4 is internally threaded with a fixed top screw 5, an L-shaped steel plate 2 is provided on the outer wall of the bottom plate 1, the L-shaped steel plate 2 is fixedly connected to the bottom plate 1 through a connecting piece 6, and the L-shaped steel plate 2 is provided with four Four L-shaped steel plates 2 are symmetrically arranged on the outer wall of the bottom plate 1. The bottom guide plate of the rudder blade is clamped on the bottom plate 1 through the four L-shaped steel plates 2. The bottom guide plate of the rudder blade is pressed and fixed by rotating the fixing top screw 5 to support the bottom guide plate of the rudder blade. When turning the rudder, the upper lifting lug 3 of the tooling is used to perform the turning test. A connecting piece 6 is provided to install the L-shaped steel plate 2 on the bottom plate 1 and to 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 bottom guide plate of the rudder blade; The top end of the fixed top screw 5 is rotatably connected to a support plate 9 through a bearing, and an adjustment plate 10 is slidably arranged inside the support plate 9. The upper surface of the adjustment plate 10 is flush with the upper surface of the support plate 9. The support plate 9 and the adjustment plate 10 are arranged to further increase the contact surface of the fixed top screw 5 with the guide plate at the bottom of the rudder blade, and the adjustment plate 10 can slide to adjust the position according to the shape of the guide plate at the bottom of the rudder blade; A threaded hole 12 is provided on the inner wall of the bottom of the support plate 9, and a countersunk groove 11 is provided on the top of the adjusting plate 10. Bolts are provided in the threads of the countersunk groove 11 and the threaded hole 12, and the top of the bolt is flush with the upper surface of the adjusting plate 10. There are multiple threaded holes 12, which are evenly spaced on the support plate 9. There are three countersunk grooves 11. After adjusting the position of the adjusting plate 10, the adjusting plate 10 is fixedly connected to the support plate 9 by bolts. The countersunk groove 11 is provided to ensure that the upper surface of the bolt is flush with the upper surface of the adjusting plate 10, thereby avoiding the protrusion of the bolt causing the adjusting plate 10 to be unable to support the guide plate at the bottom of the rudder blade.

[0022] Working principle: When in use, before placing the guide plate at the bottom of the rudder blade on the bottom plate 1; pull the adjustment plate 10 to move along the support plate 9 so that the adjustment plate 10 can support the guide plate at the bottom of the rudder blade, and then rotate the fixed top screw 5 to drive the support plate 9 to move upward, and then drive the adjustment plate 10 to move upward to lift the guide plate at the bottom of the rudder blade until the guide plate at the bottom of the rudder blade is pressed against the L-shaped steel plate 2.

[0023] Embodiment 3 Based on Example 2, please refer to Figure 7-Figure 8 The present invention provides a technical solution: a fixed tool for steering test, comprising a bottom plate 1, a lifting ear 3 is fixedly installed at the bottom of the bottom plate 1, the lifting ear 3 is located at the center of the bottom of the bottom plate 1, a top screw plate 4 is fixedly installed on the bottom plate 1, two top screw plates 4 are provided, and are symmetrically distributed about the center of the bottom plate 1, the top screw plate 4 is internally threaded with a fixed top screw 5, an L-shaped steel plate 2 is provided on the outer wall of the bottom plate 1, the L-shaped steel plate 2 is fixedly connected to the bottom plate 1 through a connecting piece 6, and the L-shaped steel plate 2 is provided with four Four L-shaped steel plates 2 are symmetrically arranged on the outer wall of the bottom plate 1. The bottom guide plate of the rudder blade is clamped on the bottom plate 1 through the four L-shaped steel plates 2. The bottom guide plate of the rudder blade is pressed and fixed by rotating the fixing top screw 5 to support the bottom guide plate of the rudder blade. When turning the rudder, the upper lifting lug 3 of the tooling is used to perform the turning test. A connecting piece 6 is provided to install the L-shaped steel plate 2 on the bottom plate 1 and to 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 bottom guide plate of the rudder blade; The connecting member 6 includes a slide groove 601, which is opened on the outer wall of the bottom plate 1. A sliding sleeve 602 is slidably arranged in the slide groove 601. The top of the sliding sleeve 602 is fixedly connected to the bottom of the L-shaped steel plate 2. A connecting plate 603 is fixedly installed at the bottom of the sliding sleeve 602. The connecting plate 603 is fixedly connected to the bottom plate 1 by bolts. The sliding sleeve 602 is provided to guide and limit the connecting plate 603, and connect the L-shaped steel plate 2 and the connecting plate 603 together. When the position of the L-shaped steel plate 2 is adjusted, the sliding sleeve 602 and the connecting plate 603 will not be separated from the bottom plate 1. The 0 lifting ear 3 is fixedly connected to the bottom plate 1 by bolts, and then the L-shaped steel plate 2 is fixedly installed on the bottom plate 1; A rotating plate 14 is fixedly installed at the bottom end of the L-shaped steel plate 2, and a rotating shaft 13 is fixedly installed on the inner wall of the rotating plate 14. The bottom end of the rotating shaft 13 is rotatably connected to 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. By rotating the four L-shaped steel plates 2 at a certain angle, the position of the L-shaped steel plate 2 relative to the guide plate at the bottom of the rudder blade is adjusted. When a bulge or depression appears on the outer surface of the guide plate at the bottom of the rudder blade, the L-shaped steel plate 2 is staggered from the bulge or depression. A limiting groove 16 is provided at the top of the rotating plate 14, and a limiting rod 15 is slidably arranged inside the limiting groove 16. The top end of the limiting rod 15 is fixedly connected to the top of the sliding sleeve 602. The limiting rod 15 and the limiting groove 16 are provided to limit the rotation angle of the L-shaped steel plate 2.

[0024] Working principle: When in use, after placing the rudder blade bottom guide plate on the bottom plate 1, rotate the L-shaped steel plate 2 to adjust the position of the L-shaped steel plate 2 relative to the rudder blade bottom guide plate to prevent the L-shaped steel plate 2 from failing to press positively on the rudder blade bottom guide plate.

[0025] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A fixed fixture for a steering test, comprising a bottom plate (1), characterized in that: The bottom of the base plate (1) is fixedly installed with a lifting ear (3), and the lifting ear (3) is located at the center of the bottom of the base plate (1). The base plate (1) is fixedly installed with a top screw plate (4), and there are two top screw plates (4), which are symmetrically distributed about the center of the base plate (1). The top screw plates (4) are connected to a fixed top screw (5) through internal threads. An L-shaped steel plate (2) is provided on the outer wall of the base plate (1), and the L-shaped steel plate (2) is fixedly connected to the base plate (1) through a connecting piece (6). There are four L-shaped steel plates (2), and the four L-shaped steel plates (2) are symmetrically arranged on the outer wall of the base plate (1).

2. The fixing fixture for steering test according to claim 1, characterized in that: The connecting member (6) includes a slide groove (601), the slide groove (601) is opened on the outer wall of the base plate (1), a sliding sleeve (602) is slidably arranged in the slide groove (601), the top of the sliding sleeve (602) is fixedly connected to the bottom of the L-shaped steel plate (2), and a connecting plate (603) is fixedly installed on the bottom of the sliding sleeve (602), and the connecting plate (603) is fixedly connected to the base plate (1) by bolts.

3. The fixing fixture for steering test according to claim 1, characterized in that: The top end of the fixed top screw (5) is rotatably connected to a support plate (8) via a bearing, and the length of the fixed top screw (5) is greater than the thickness of the bottom plate (1).

4. The fixing fixture for steering test according to claim 1, characterized in that: A positioning member (7) is fixedly installed at the end of the L-shaped steel plate (2), and the positioning member (7) includes 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 provided inside 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 on the top of the positioning plate (702). The top end of the spring (703) is fixedly connected to the top inner wall of the fixed sleeve (701). A positioning hole (705) is opened on the outer wall of the connecting rod (704).

5. The fixing fixture for steering test according to claim 4, characterized in that: An anti-slip plate is fixedly mounted on the top end of the connecting rod (704), and the outer diameter of the positioning plate (702) is larger than the inner diameter of the fixed sleeve (701).

6. The fixing fixture for steering test according to claim 1, characterized in that: The top end of the fixed top screw (5) is rotatably connected to a support plate (9) via a bearing, and an adjustment plate (10) is slidably provided inside the support plate (9), and the upper surface of the adjustment plate (10) is flush with the upper surface of the support plate (9).

7. The fixing fixture for steering test according to claim 6, characterized in that: A threaded hole (12) is provided on the inner wall of the bottom of the support plate (9), and a countersunk groove (11) is provided on the top of the adjustment plate (10). A bolt is provided in the internal thread of the countersunk groove (11) and the threaded hole (12), and the top end of the bolt is flush with the upper surface of the adjustment plate (10). A plurality of threaded holes (12) are provided and are evenly spaced on the support plate (9), and three countersunk grooves (11) are provided.

8. The fixing fixture for steering test according to claim 1, characterized in that: A rotating plate (14) is fixedly mounted on the bottom end of the L-shaped steel plate (2), a rotating shaft (13) is fixedly mounted on the inner wall of the rotating plate (14), and the bottom end of the rotating shaft (13) is rotatably connected to the top end of the sliding sleeve (602) via a bearing.

9. The fixing fixture for steering test according to claim 8, characterized in that: A limiting groove (16) is provided at the top of the rotating plate (14), a limiting rod (15) is slidably provided inside the limiting groove (16), and the top end of the limiting rod (15) is fixedly connected to the top end of the sliding sleeve (602).

10. The fixing fixture for steering test according to claim 1, characterized in that: The bottom plate (1) is made of I-shaped steel, the length of the bottom plate (1) is 1400 mm, and the width of the bottom plate (1) is 140 mm.

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