Crack detection device and method for special ship parts

By designing a ship parts detection device that includes detection positioning plates, positioning vertical plates, positioning horizontal plates, drive motors, screws, control plates and clamping components, the problem of stable clamping of ship parts of different sizes is solved, and stable and efficient crack inspection is achieved.

CN119881231APending Publication Date: 2025-04-25HONGHUA OFFSHORE OIL & GAS EQUIP JIANGSU
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Patent Information

Application Number
CN202510390665.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-04-25

AI Technical Summary

Technical Problem

The prior art is difficult to firmly clamp ship accessories of different sizes, resulting in unstable crack inspection and reduced practicality.

Method used

A crack detection device for special ship parts is designed, including detection positioning plates, positioning vertical plates, positioning horizontal plates, drive motors, screws, control plates and clamping components. Through the coordinated work of these components, stable clamping of ship parts of different sizes is achieved.

Benefits of technology

It realizes stable clamping of ship parts of different sizes, ensures the stability and practicality of crack inspection, and improves the accuracy and reliability of inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a special ship part crack detection device and method, and relates to the field of part crack detection.The special ship part crack detection device comprises a detection positioning plate, positioning vertical plates are fixed to the side faces of the two ends of the top of the detection positioning plate, and a positioning transverse plate is fixed between the positioning vertical plates at the two ends; a front transverse groove and a rear transverse groove are formed in the top surface of the detection positioning plate along the center, driving motors are rotatably connected to the left end in the front transverse groove and the right end in the rear transverse groove, a front screw rod is fixed in the front driving motor, a rear screw rod is fixed in the rear driving motor, and a left control plate sleeves the outer side surface of the front screw rod; the bottom of the left control plate is in sliding connection with the interior of the front transverse groove, the outer side face of the rear lead screw is sleeved with a right control plate, the bottom of the right control plate is in sliding connection with the interior of the rear transverse groove, and clamping parts are inserted into the right side of the left control plate and the left side of the right control plate correspondingly. And the special ship parts are clamped.
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Description

Technical Field

[0001] The invention relates to the technical field of parts crack detection, in particular to a crack detection device and method for special ship parts. Background Art

[0002] There are many kinds of ship accessories, covering all aspects of the ship, including hull structure, power system, electrical equipment, navigation equipment, communication equipment, safety equipment, etc. Hull structure accessories are the basic components of the ship, including hull steel plates, hull frames, hull connectors, etc. Power system accessories are the power source of the ship, including main engines, propellers, transmission devices, etc. Electrical equipment accessories are components of the ship's power system, including generators, motors, cables, switchgear, etc.

[0003] When applying for the present invention, the applicant found through search that a Chinese patent disclosed "a parts crack detection device", and its application number is "CN202210109911.2". The patent mainly uses a vacuum tube to perform a vacuum operation. Although the patent improves the safety of the test in the specification, the current ship accessories are of different sizes, which makes it impossible to clamp ship accessories of different sizes when inspecting the surface of ship accessories for cracks, thereby reducing practicality. Therefore, according to the applicant's invention, a crack inspection device for ship accessories of different sizes was invented, which solves the problem of being unable to clamp ship accessories of different sizes. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a crack detection device and method for special ship parts, which solves the problem that the overall sizes of current ship accessories are different, resulting in the inability to clamp ship accessories of different sizes when cracks are inspected on the surface of ship accessories, which is prone to unstable conditions and reduced practicality.

[0005] (II) Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: a crack detection device for special ship parts, including a detection positioning plate, positioning vertical plates are fixed to the sides at both ends of the top of the detection positioning plate, and a positioning horizontal plate is fixed between the positioning vertical plates at both ends. The positioning vertical plates and the positioning horizontal plates are both arranged in a square shape, and a front horizontal groove and a rear horizontal groove are opened along the center of the top surface of the detection positioning plate. The left end of the front horizontal groove and the right end of the rear horizontal groove are both rotatably connected to a driving motor, and a front screw rod is fixed inside the driving motor on the front side, and the other end of the front screw rod is connected to the inner wall of the front horizontal groove. The right end is rotatably connected, and a rear screw rod is fixed inside the driving motor on the rear side, and the other end of the rear screw rod is rotatably connected to the left end inside the rear transverse groove, and a left control plate is sleeved on the outer side of the front screw rod, and the bottom of the left control plate is slidably connected to the inside of the front transverse groove, and a right control plate is sleeved on the outer side of the rear screw rod, and the bottom of the right control plate is slidably connected to the inside of the rear transverse groove. The right side of the left control plate is consistent in overall size with the right control plate, and the right side of the left control plate and the left side of the right control plate are both plugged with clamping components, the clamping component on the left side fits tightly with the inner side of the left control plate, and the clamping component on the right side fits tightly with the inner side of the right control plate.

[0006] Preferably, a supporting square plate is fixed at the bottom center of the positioning horizontal plate, a rotating component is provided at the bottom center of the supporting square plate, the rotating component includes a positioning upper rod, the inner side of the positioning upper rod is rotatably connected to a rotating lower rod, a detection instrument is fixed at the bottom of the rotating lower rod, the detection instrument is electrically connected to an external power supply, and a control button is provided on the side of the detection instrument.

[0007] Preferably, thread grooves are provided on the tops of the left control plate and the right control plate, the depths of the thread grooves at both ends extend to the inside of the clamping component, and fixing bolts are provided inside the thread grooves.

[0008] Preferably, adapter blocks are fixed around the bottom of the detection positioning plate, and adapter rods are fixed between the adjacent adapter blocks in the transverse direction. Both sides of the two adapter rods extend to the side of the detection positioning plate, and both ends of the two adapter rods are rotatably connected to drive wheels.

[0009] Preferably, the clamping parts on both sides are of the same overall size, and the inner walls of the clamping parts on both sides are smoothly arranged.

[0010] Preferably, an upper pressing plate is fixed between the top of the rotating component and the bottom of the supporting square plate, and a lower pressing plate is fixed between the bottom of the rotating component and the top of the detection instrument.

[0011] Preferably, concave support plates are fixed to both ends of the detection positioning plate, and the positioning vertical plate is arranged on the top of the concave support plate.

[0012] Preferably, a push handle is fixed to the side surface of the right positioning vertical plate.

[0013] A method for detecting cracks in special ship parts comprises the following steps: S1. First, select the appropriate clamping component according to the shape and size of the special ship parts, then insert the clamping components on both sides into the left control panel and the right control panel respectively, and then fix them with fixing bolts; S2. Then, the driving motors inside the front transverse groove and the rear transverse groove are respectively started to rotate, thereby driving the front screw rod and the rear screw rod to rotate, thereby driving the left control plate and the right control plate to slide inside the front transverse groove and the rear transverse groove respectively. When the left control plate and the right control plate are moved to the two ends of the special ship parts respectively, the clamping parts on the opposite sides of the left control plate and the right control plate are used to firmly clamp the special ship parts; S3. Finally, the lower rod is twisted and rotated according to the overall height of the special ship parts, so that the detection instrument can be close to the special ship parts, and the control button is turned on to cause the detection instrument to work, so that the top surface of the special ship parts can be inspected for cracks; S4. When scanning the surface of special ship parts, when the detection instrument finds cracks on the surface of special ship parts, the detection instrument can issue a prompt so that the detection personnel can make timely repairs.

[0014] (III) Beneficial effects The present invention provides a crack detection device and method for special ship parts. It has the following beneficial effects: 1. Select the appropriate clamping components according to the shape and size of the special ship parts, and then insert the clamping components on both sides into the left control panel and the right control panel respectively, and then fix them with fixing bolts, and then start the driving motors inside the front transverse groove and the rear transverse groove respectively to rotate, and drive the front screw rod and the rear screw rod to rotate, thereby driving the left control panel and the right control panel to slide inside the front transverse groove and the rear transverse groove respectively. When the left control panel and the right control panel are moved to the two ends of the special ship parts respectively, the clamping components on the opposite sides of the left control panel and the right control panel are used to firmly clamp the special ship parts.

[0015] 2. According to the overall height of the special ship parts, the lower rod is twisted and rotated to enable the detection instrument to be close to the special ship parts. The control button is turned on to enable the detection instrument to work, so that cracks on the surface of the special ship parts can be inspected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The right side overall schematic diagram of a crack detection device and method for special ship parts proposed by the present invention; Figure 2 This is an overall schematic diagram of the auxiliary side of a crack detection device and method for special ship parts proposed by the present invention; Figure 3 This is an overall enlarged schematic diagram of point A of a crack detection device and method for special ship parts proposed by the present invention; Figure 4 This is an overall enlarged schematic diagram of point B of a crack detection device and method for special ship parts proposed by the present invention; Figure 5 This is the left overall schematic diagram of a crack detection device and method for special ship parts proposed by the present invention.

[0017] Among them, 1. detection and positioning plate; 2. positioning vertical plate; 3. positioning horizontal plate; 4. front horizontal groove; 5. rear horizontal groove; 6. driving motor; 7. front screw rod; 8. rear screw rod; 9. left control plate; 10. right control plate; 11. clamping component; 12. supporting square plate; 13. positioning upper rod; 14. rotating lower rod; 15. detection instrument; 16. control button; 17. threaded groove; 18. fixing bolt; 19. adapter block; 20. adapter rod; 21. driving wheel; 22. upper pressure plate; 23. lower pressure plate; 24. concave support plate; 25. push handle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1: like Figure 1-5As shown, an embodiment of the present invention provides a crack detection device and method for special ship parts, including a detection positioning plate 1, positioning vertical plates 2 are fixed to the sides of both ends of the top of the detection positioning plate 1, and a positioning horizontal plate 3 is fixed between the positioning vertical plates 2 at both ends. The positioning vertical plates 2 and the positioning horizontal plates 3 are both arranged in a square shape, and a front horizontal groove 4 and a rear horizontal groove 5 are opened along the center of the top surface of the detection positioning plate 1. The left end inside the front horizontal groove 4 and the right end inside the rear horizontal groove 5 are both rotatably connected to a driving motor 6, and a front screw rod 7 is fixed inside the driving motor 6 on the front side, and the other end of the front screw rod 7 is rotatably connected to the right end of the inner wall of the front horizontal groove 4, and the rear side A rear screw rod 8 is fixed inside the driving motor 6, and the other end of the rear screw rod 8 is rotatably connected to the left end of the rear transverse groove 5. A left control plate 9 is sleeved on the outer side of the front screw rod 7, and the bottom of the left control plate 9 is slidably connected to the inside of the front transverse groove 4. A right control plate 10 is sleeved on the outer side of the rear screw rod 8, and the bottom of the right control plate 10 is slidably connected to the inside of the rear transverse groove 5. The right side of the left control plate 9 is consistent in overall size with the right control plate 10, and the right side of the left control plate 9 and the left side of the right control plate 10 are both inserted with a clamping component 11, the left side of the clamping component 11 is tightly fitted with the inner side of the left control plate 9, and the right side of the clamping component 11 is tightly fitted with the inner side of the right control plate 10.

[0020] The clamping parts 11 on both sides are of the same overall size, and the inner walls of the clamping parts 11 on both sides are smoothly arranged to avoid wear on the surface of special ship parts. An upper pressure plate 22 is fixed between the top of the rotating part and the bottom of the supporting square plate 12, and a lower pressure plate 23 is fixed between the bottom of the rotating part and the top of the detection instrument 15. By setting the upper pressure plate 22 and the lower pressure plate 23, it is convenient to achieve a stable effect when the detection instrument 15 moves up or down. Concave support plates 24 are fixed at both ends of the detection positioning plate 1, and the positioning vertical plate 2 is arranged on the top of the concave support plate 24 to achieve the effect of supporting the positioning vertical plates 2 at both ends. A pusher 25 is fixed to the side of the right positioning vertical plate 2 to achieve the effect of a pushing device.

[0021] Embodiment 2: The difference between this embodiment and the first embodiment is that: a supporting square plate 12 is fixed at the bottom center of the positioning horizontal plate 3, a rotating component is arranged at the bottom center of the supporting square plate 12, the rotating component includes a positioning upper rod 13, a rotating lower rod 14 is rotatably connected to the inner side of the positioning upper rod 13, a detection instrument 15 is fixed at the bottom of the rotating lower rod 14, the detection instrument 15 is electrically connected to the outer power supply, and a control button 16 is arranged on the side of the detection instrument 15. By arranging the rotating component at the bottom of the supporting square plate 12, it is convenient to lift up after the detection of the detection instrument 15 is completed. The tops of the left control plate 9 and the right control plate 10 are both provided with thread grooves 17, and the thread grooves 17 at both ends are deep. The thread groove 17 is provided with a fixing bolt 18, and the thread groove 17 and the fixing bolt 18 are provided to facilitate the change of the overall shape of the clamping component 11 according to the shape of the special ship parts. Adapter blocks 19 are fixed on all sides of the bottom of the detection positioning plate 1, and adapter rods 20 are fixed between the adjacent adapter blocks 19 in the transverse direction. Both sides of the two adapter rods 20 extend to the side of the detection positioning plate 1, and both ends of the two adapter rods 20 are rotatably connected with driving wheels 21. By providing the driving wheel 21, it is convenient to change the position and size of the overall device, and by controlling the moving speed, a large impact force can be avoided when stopping.

[0022] Working principle: First, select the appropriate clamping component 11 according to the shape and size of the special ship parts, then insert the clamping components 11 on both sides into the left control plate 9 and the right control plate 10 respectively, and then fix them with fixing bolts 18, and then start the driving motor 6 inside the front transverse groove 4 and the rear transverse groove 5 respectively to cause them to rotate, and drive the front screw rod 7 and the rear screw rod 8 to rotate, thereby driving the left control plate 9 and the right control plate 10 to slide inside the front transverse groove 4 and the rear transverse groove 5 respectively. When the left control plate 9 and the right control plate 10 are moved to the two ends of the special ship parts respectively At this time, the clamping parts 11 on the opposite sides of the left control panel 9 and the right control panel 10 are used to firmly clamp the special ship parts, and then the lower rod 14 is twisted and rotated according to the overall height of the special ship parts, so that the detection instrument 15 can be close to the special ship parts, and the control button 16 is turned on to cause the detection instrument 15 to work, so that the surface of the special ship parts can be inspected for cracks. When the detection instrument 15 finds cracks on the surface of the special ship parts, the detection instrument 15 can issue a prompt so that the detection personnel can make timely repairs.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crack detection device for special ship parts, comprising a detection positioning plate (1), wherein positioning vertical plates (2) are fixed to the sides of both ends of the top of the detection positioning plate (1), and a positioning horizontal plate (3) is fixed between the positioning vertical plates (2) at both ends, and the positioning vertical plates (2) and the positioning horizontal plates (3) are both arranged in a square shape, characterized in that: A front transverse groove (4) and a rear transverse groove (5) are provided at the center of the top surface of the detection positioning plate (1), and a drive motor (6) is rotatably connected to the left end of the front transverse groove (4) and the right end of the rear transverse groove (5). A front screw rod (7) is fixed inside the driving motor (6) at the front side, and the other end of the front screw rod (7) is rotatably connected to the right end of the inner wall of the front transverse groove (4). A rear screw rod (8) is fixed inside the driving motor (6) at the rear side, and the other end of the rear screw rod (8) is rotatably connected to the left end inside the rear transverse groove (5). A left control plate (9) is sleeved on the outer side of the front screw rod (7), and the bottom of the left control plate (9) is slidably connected to the inside of the front transverse groove (4). The rear screw rod ( 8) A right control plate (10) is sleeved on the outer side surface, the bottom of the right control plate (10) is slidably connected to the inside of the rear transverse groove (5), the right side of the left control plate (9) is of the same overall size as the right control plate (10), the right side of the left control plate (9) and the left side of the right control plate (10) are both plugged with a clamping component (11), the left side of the clamping component (11) is tightly fitted with the inner side of the left control plate (9), and the right side of the clamping component (11) is tightly fitted with the inner side of the right control plate (10).

2. A crack detection device for special ship parts according to claim 1, characterized in that: A supporting square plate (12) is fixed at the bottom center of the positioning horizontal plate (3), and a rotating component is arranged at the bottom center of the supporting square plate (12), wherein the rotating component comprises a positioning upper rod (13), and a rotating lower rod (14) is rotatably connected to the inner side of the positioning upper rod (13), and a detection instrument (15) is fixed at the bottom of the rotating lower rod (14), and the detection instrument (15) is electrically connected to an external power supply, and a control button (16) is arranged on the side of the detection instrument (15).

3. The crack detection device for special ship parts according to claim 1 is characterized in that: The left control plate (9) and the right control plate (10) are both provided with a threaded groove (17) at the top, the threaded grooves (17) at both ends extend to the inside of the clamping component (11), and fixing bolts (18) are provided inside the threaded grooves (17).

4. The crack detection device for special ship parts according to claim 1 is characterized in that: Adapter blocks (19) are fixed around the bottom of the detection positioning plate (1), and adapter rods (20) are fixed between adjacent adapter blocks (19) in the transverse direction. Both sides of the two adapter rods (20) extend to the side of the detection positioning plate (1), and both ends of the two adapter rods (20) are rotatably connected to driving wheels (21).

5. The crack detection device for special ship parts according to claim 1, characterized in that: The clamping parts (11) on both sides are of the same overall size, and the inner walls of the clamping parts (11) on both sides are smoothly arranged.

6. A crack detection device for special ship parts according to claim 2, characterized in that: An upper pressing plate (22) is fixed between the top of the rotating component and the bottom of the supporting square plate (12), and a lower pressing plate (23) is fixed between the bottom of the rotating component and the top of the detection instrument (15).

7. The crack detection device for special ship parts according to claim 1, characterized in that: Concave support plates (24) are fixed to both ends of the detection positioning plate (1), and the positioning vertical plate (2) is arranged on the top of the concave support plate (24).

8. A crack detection device for special ship parts according to claim 1, characterized in that: A push handle (25) is fixed on the side of the right positioning vertical plate (2).

9. A method for detecting cracks in special ship parts, characterized in that: The following steps are involved: S1. First, a suitable clamping member (11) is selected according to the shape and size of the special ship parts, and then the clamping members (11) on both sides are respectively plugged into the left control plate (9) and the right control plate (10), and then fixed with fixing bolts (18); S2. Then, the driving motors (6) inside the front transverse groove (4) and the rear transverse groove (5) are respectively started to rotate, thereby driving the front screw rod (7) and the rear screw rod (8) to rotate, thereby driving the left control plate (9) and the right control plate (10) to slide inside the front transverse groove (4) and the rear transverse groove (5), respectively. When the left control plate (9) and the right control plate (10) are moved to the two ends of the special ship parts, the clamping parts (11) on the opposite sides of the left control plate (9) and the right control plate (10) are used to firmly clamp the special ship parts; S3. Finally, the lower rod (14) is twisted and rotated by the overall height of the special ship parts, so that the detection instrument (15) can be close to the special ship parts, and the control button (16) is turned on to prompt the detection instrument (15) to work, so that the surface of the special ship parts can be inspected for cracks; S4. When scanning the surface of the special ship parts, when the detection instrument (15) finds cracks on the surface of the special ship parts, the detection instrument (15) can issue a prompt so that the detection personnel can make timely repairs.

Citation Information

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