Hull rust removal device for ship maintenance
By designing an integrated rust removal and cleaning device, utilizing a motor-driven transmission system and a dust collection mechanism, the problem of fragmented rust removal and cleaning in existing devices has been solved, achieving efficient rust removal and cleaning in one process, and improving the efficiency of ship maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-07
AI Technical Summary
Existing hull rust removal devices used for ship repair only perform rust removal; cleaning requires other tools or manual intervention, resulting in a fragmented process and affecting overall efficiency.
A device comprising a base box, a dust collection mechanism, and a rust removal and cleaning mechanism was designed. The device integrates rust removal and cleaning through a combination unit and a drive unit. The device uses a motor to drive a rotating rod to drive a worm gear, a worm wheel, a rotating column, and a bevel gear to achieve synchronous rotation of the shot blasting wheel and the cleaning disc. The device is also equipped with a dust collection mechanism to collect rust residue.
It integrates rust removal and cleaning, improving overall efficiency, and automatically collects rust residue through a dust collection mechanism, reducing manual intervention and reliance on tools.
Smart Images

Figure CN224090400U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ship repair technology, specifically to a hull rust removal device for ship repair. Background Technology
[0002] Ships frequently travel on water, which can cause rust to form on their surfaces over time. Therefore, ship maintenance is crucial. Regular maintenance can effectively reduce the degree of rust and corrosion on the ship's surface, thereby significantly increasing the ship's service life.
[0003] According to the patent titled "A Rust Removal Device for Ship Repair" (Patent Publication No.: CN221214517U, Patent Publication Date: 2024-06-25), the device includes: a gantry frame, on which a winch motor is mounted via a base, and the traction wire rope of the winch motor is fixedly connected to a lifting lug on the hull; a mounting frame is movably mounted on the bottom of the hull, and the bottom of the mounting frame is welded and fixed to a guide seat; a rust brush roller is movably mounted inside the mounting frame via a bearing; and the end of the guide seat away from the mounting frame is welded and fixed to a movable seat. When the drive motor is turned on, the output shaft of the drive motor drives a lead screw to rotate. The lead screw is screwed inside the movable seat and moves the mounting frame from left to right, facilitating rust removal work on the bottom of the hull, improving the hull's appearance, and reducing the damage caused by rust.
[0004] Based on the aforementioned existing technology, the existing hull rust removal devices used for ship repair still have the following problems: most of the existing hull rust removal devices used for ship repair only complete the rust removal function, and cleaning requires other tools or manual intervention, which leads to the fragmentation of the process and affects the overall efficiency. Therefore, this utility model provides a hull rust removal device for ship repair. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a hull rust removal device for ship repair, which solves the following problems of existing hull rust removal devices for ship repair: most existing hull rust removal devices for ship repair only perform rust removal functions, and cleaning requires other tools or manual intervention, resulting in a fragmented process and affecting overall efficiency.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a hull rust removal device for ship repair, comprising a base box, a set of handles fixedly installed on the top of the base box, and a protective cover fixedly installed on the top of the base box; a dust extraction mechanism is provided inside the base box; and a rust removal and cleaning mechanism is provided inside the base box to achieve integrated rust removal and cleaning. The rust removal and cleaning mechanism includes:
[0007] The assembly unit is located inside the base box and includes a first rotating shaft and a second rotating shaft that are rotatably installed inside the base box. The surface of the first rotating shaft is fixedly mounted with a first large conical tooth, and the surface of the second rotating shaft is fixedly mounted with a second large conical tooth. The bottom ends of the first rotating shaft and the second rotating shaft are respectively mounted with a shot blasting wheel and a cleaning disc through a disassembly assembly.
[0008] The drive unit is located above the base box and is used to drive the combined unit.
[0009] Preferably, the assembly / disassembly assembly includes a rotating cylinder fixedly installed at the bottom end of the first rotating shaft. A fixing plate is fixedly installed inside the rotating cylinder. Fixing columns are fixedly installed on both sides of the fixing plate. Each fixing column includes a slidingly installed insert column, and a linkage column is fixedly installed on both sides of the insert column. An installation sleeve is movably fitted on the surface of the rotating cylinder. Insertion holes are opened on both sides of the installation sleeve. One end of the insert column passes through the rotating cylinder and slides into the insertion hole. The shot blasting wheel and the cleaning disc are respectively fixedly installed on the surface of the installation sleeve.
[0010] Preferably, a rotating column is fixedly installed inside the rotating cylinder, and a set of rotating rods is hinged to the surface of the rotating column. The linkage column slides inside the sliding grooves at both ends of the rotating rod to realize the movement of the insertion column, and a spring is installed on the surface of the fixed column to reset the insertion column.
[0011] Preferably, a top block is slidably installed inside the rotating cylinder, and a slot is formed inside the top block. The rotating rod slides inside the slot, and the rotating rod rotates in opposite directions by moving the top block. A rectangular groove is formed inside the top block, and the rotating column slides inside the rectangular groove. Limiting grooves are formed on both sides of the top block. A set of limiting blocks is fixedly installed at the bottom of the rotating cylinder, and one end of the limiting block slides inside the limiting groove to limit the movement of the top block.
[0012] Preferably, the drive unit includes a set of fixed frames fixedly installed on the top of the base box, and a rotating column is rotatably installed inside the fixed frames. A worm gear is fixedly installed on the surface of the rotating column, and small bevel teeth are fixedly installed at both ends of the rotating column. The small bevel teeth mesh with a first large bevel tooth. A motor and a fixed base are fixedly installed on the top of the base box. A rotating rod is fixedly installed at the output end of the motor, and a set of worm gears is fixedly installed on the surface of the rotating rod. One end of the rotating rod rotates inside the through groove of the fixed base, and the worm gears mesh with the worm wheel.
[0013] Preferably, the dust collection mechanism includes a dust collection head fixedly installed on the top of the inner cavity of the base box, a dust collection box fixedly installed inside the base box, a filter plate slidably inserted into the dust collection box, a dust collection pump fixedly installed on one side of the dust collection box, and the dust collection box and the dust collection head are fixedly connected by a dust collection pipe.
[0014] This invention provides a rust removal device for ship maintenance. Compared with the prior art, it has the following advantages:
[0015] 1. This hull rust removal device for ship repair uses a motor to drive a rotating rod, which in turn drives two worm gears, which in turn drive two worm wheels, which in turn drive a rotating column, which in turn drives a small bevel gear, which in turn drives a large bevel gear, which in turn drives a first rotating shaft, which in turn drives two shot blasting wheels and two cleaning discs to rotate in opposite directions via a disassembly and assembly assembly. This achieves integrated rust removal and cleaning, improving overall efficiency.
[0016] 2. This hull rust removal device for ship repair is equipped with a disassembly and assembly assembly. The top block is pushed to slide into the interior of the rotating cylinder. The rotating cylinder achieves the opposite rotation of two rotating rods through a slot. The linkage column slides inside the sliding grooves at both ends of the rotating rod, so that the two inserts move towards each other, allowing the inserts to be pulled out of the insertion hole, thereby facilitating the replacement of the shot blasting wheel and the cleaning disc. Attached Figure Description
[0017] Figure 1 This is a right-side perspective view of the structure of this utility model;
[0018] Figure 2 This is a cross-sectional perspective view of the present invention.
[0019] Figure 3 This is a three-dimensional cross-sectional view of the disassembly and assembly components of this utility model;
[0020] Figure 4 This is a three-dimensional cross-sectional view of the dust collection mechanism of this utility model.
[0021] In the diagram: 1-Base box, 2-Rust removal and cleaning mechanism, 21-Combination unit, 211-First rotating shaft, 212-First large bevel gear, 213-Shot blasting wheel, 214-Second rotating shaft, 215-Second large bevel gear, 216-Cleaning disc, 22-Drive unit, 221-Fixed frame, 222-Rotating column, 223-Worm gear, 224-Small bevel gear, 225-Fixed seat, 226-Rotating rod, 227-Worm gear, 228-Motor, 3-Disassembly and assembly components, 3 1-Rotating cylinder, 32-Fixed plate, 33-Fixed column, 34-Spring, 35-Insertion column, 36-Linkage column, 37-Rotating column, 38-Rotating rod, 39-Rectangular groove, 310-Card groove, 311-Top block, 312-Limiting groove, 313-Limiting block, 314-Mounting sleeve, 315-Insertion hole, 4-Dust suction mechanism, 41-Dust suction head, 42-Dust collection box, 43-Filter plate, 44-Dust suction pump, 45-Dust suction pipe, 5-Protective cover, 6-Handle. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figures 1-4 This utility model provides a technical solution:
[0024] A hull rust removal device for ship repair includes a base box 1. A set of handles 6 are fixedly installed on the top of the base box 1, and a protective cover 5 is fixedly installed on the top of the base box 1. A dust extraction mechanism 4 is installed inside the base box 1, and a rust removal and cleaning mechanism 2 is installed inside the base box 1 to achieve integrated rust removal and cleaning. The rust removal and cleaning mechanism 2 includes:
[0025] The assembly unit 21 is disposed inside the base box 1 and includes a first rotating shaft 211 and a second rotating shaft 214 that are rotatably installed inside the base box 1. The surface of the first rotating shaft 211 is fixedly mounted with a first large bevel tooth 212, and the surface of the second rotating shaft 214 is fixedly mounted with a second large bevel tooth 215. The bottom ends of the first rotating shaft 211 and the second rotating shaft 214 are respectively mounted with a shot blasting wheel 213 and a cleaning disc 216 via a disassembly and assembly assembly 3.
[0026] The drive unit 22 is disposed above the base box 1 and is used to drive the combination unit 21.
[0027] The first large bevel gear 212 drives the first rotating shaft 211 to rotate. The first rotating shaft 211 drives the two shot blasting wheels 213 and the two cleaning discs 216 to rotate in opposite directions through the disassembly and assembly assembly 3, thereby realizing the integration of rust removal and cleaning and improving the overall efficiency.
[0028] The drive unit 22 is located inside the protective cover 5 to protect the drive unit 22.
[0029] In this embodiment, the assembly / disassembly component 3 includes a rotating cylinder 31 fixedly installed at the bottom end of the first rotating shaft 211. A fixing plate 32 is fixedly installed inside the rotating cylinder 31. Fixing posts 33 are fixedly installed on both sides of the fixing plate 32. Each fixing post 33 includes a slidingly installed insert post 35, and a linkage post 36 is fixedly installed on both sides of the insert post 35. An installation sleeve 314 is movably fitted onto the surface of the rotating cylinder 31. Insertion holes 315 are opened on both sides of the interior of the installation sleeve 314. One end of the insert post 35 passes through the rotating cylinder 31 and slides into the interior of the insertion hole 315. The shot blasting wheel 213 and the cleaning disc 216 are respectively fixedly installed on the surface of the installation sleeve 314. A rotating column 37 is fixedly installed inside the rotating cylinder 31, and a set of rotating rods 38 are hingedly rotatably installed on the surface of the rotating column 37. Furthermore, the linkage column 36 slides inside the sliding grooves at both ends of the rotating rod 38 to realize the movement of the insertion column 35, and the surface of the fixed column 33 is equipped with a spring 34 for resetting the insertion column 35. The rotating cylinder 31 has a top block 311 slidably installed inside, and the top block 311 has a slot 310 inside. The rotating rod 38 slides inside the slot 310. The rotating rod 38 rotates in opposite directions by moving the top block 311. The top block 311 has a rectangular slot 39 inside, and the rotating column 37 slides inside the rectangular slot 39. Limiting slots 312 are opened on both sides of the top block 311. A set of limiting blocks 313 is fixedly installed at the bottom of the rotating cylinder 31, and one end of the limiting block 313 slides inside the limiting slot 312 to limit the movement of the top block 311.
[0030] The top block 311 is pushed to slide into the interior of the rotating cylinder 31. The rotating cylinder 31 realizes that the two rotating rods 38 rotate towards each other through the slot 310. The linkage column 36 slides inside the sliding groove at both ends of the rotating rod 38, realizing that the two inserts 35 move towards each other, so that the inserts 35 are pulled out of the insertion hole 315, thereby facilitating the replacement of the shot blasting wheel 213 and the cleaning disc 216.
[0031] In this embodiment, the drive unit 22 includes a set of fixed brackets 221 fixedly installed on the top of the base box 1, and a rotating column 222 is rotatably installed inside the fixed brackets 221. A worm gear 223 is fixedly installed on the surface of the rotating column 222, and small bevel teeth 224 are fixedly installed at both ends of the rotating column 222. The small bevel teeth 224 mesh with the first large bevel teeth 212. A motor 228 and a fixed seat 225 are fixedly installed on the top of the base box 1. A rotating rod 226 is fixedly installed at the output end of the motor 228, and a set of worm gears 227 are fixedly installed on the surface of the rotating rod 226. One end of the rotating rod 226 rotates inside the through groove of the fixed seat 225, and the worm gears 227 mesh with the worm gear 223.
[0032] The motor 228 is model KV3SF-8521F-WR. It is electrically connected to an external power supply and is operated by a human control panel. The operation of the motor 228 drives the rotating rod 226 to rotate. The rotating rod 226 drives the two worm gears 227 to rotate. The two worm gears 227 drive the two worm wheels 223 to rotate. The worm wheels 223 drive the rotating column 222 to rotate. The rotating column 222 drives the small bevel gear 224 to rotate. The small bevel gear 224 drives the first large bevel gear 212 to rotate.
[0033] In this embodiment, the dust collection mechanism 4 includes a dust collection head 41 fixedly installed on the top of the inner cavity of the base box 1, a dust collection box 42 fixedly installed inside the base box 1, a filter plate 43 slidably inserted into the dust collection box 42, a dust collection pump 44 fixedly installed on one side of the dust collection box 42, and the dust collection box 42 and the dust collection head 41 are fixedly connected by a dust collection pipe 45.
[0034] While removing rust and cleaning, the dust pump 44 operates and sucks the cleaned rust residue into the dust collection box 42 through the dust suction pipe 45 and the dust suction head 41. The filter plate 43 slides into the dust collection box 42, making it easy to replace the filter plate 43.
[0035] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0036] During operation, firstly, the motor 228 drives the rotating rod 226 to rotate, the rotating rod 226 drives the two worm gears 227 to rotate, the two worm gears 227 drive the two worm wheels 223 to rotate, the worm wheels 223 drive the rotating column 222 to rotate, the rotating column 222 drives the small bevel gear 224 to rotate, the small bevel gear 224 drives the first large bevel gear 212 to rotate, the first large bevel gear 212 drives the first rotating shaft 211 to rotate, and the first rotating shaft 211 drives the two shot blasting wheels 213 and the two cleaning discs 216 to rotate in opposite directions through the disassembly and assembly assembly 3 to perform rust removal and cleaning operations. At the same time as rust removal and cleaning, the dust pump 44 operates and sucks the cleaned rust residue into the dust collection box 42 through the dust suction pipe 45 and the dust suction head 41.
[0037] Then, when the shot blasting wheel 213 and the cleaning disc 216 need to be replaced, push the top block 311 to slide into the interior of the rotating cylinder 31. The rotating cylinder 31 realizes that the two rotating rods 38 rotate towards each other through the slot 310. The linkage column 36 slides inside the sliding groove at both ends of the rotating rod 38, so that the two inserts 35 move towards each other, so that the inserts 35 are pulled out of the insertion hole 315, thus completing the replacement of the shot blasting wheel 213 and the cleaning disc 216.
[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A hull rust removal device for ship repair, comprising a base box (1), wherein a set of handles (6) are fixedly installed on the top of the base box (1), and a protective cover (5) is fixedly installed on the top of the base box (1), characterized in that: The base box (1) is equipped with a dust collection mechanism (4) and a rust removal and cleaning mechanism (2) to achieve integrated rust removal and cleaning. The rust removal and cleaning mechanism (2) includes: The assembly unit (21) is located inside the base box (1) and includes a first rotating shaft (211) and a second rotating shaft (214) that are rotatably installed inside the base box (1). The surface of the first rotating shaft (211) is fixedly equipped with a first large bevel tooth (212), and the surface of the second rotating shaft (214) is fixedly equipped with a second large bevel tooth (215). The bottom ends of the first rotating shaft (211) and the second rotating shaft (214) are respectively equipped with a shot blasting wheel (213) and a cleaning disc (216) through the disassembly assembly (3). A drive unit (22) is disposed above the base box (1) and is used to drive the combination unit (21).
2. A hull rust removal device for ship repair according to claim 1, characterized in that: The assembly / disassembly component (3) includes a rotating cylinder (31) fixedly installed at the bottom of the first rotating shaft (211). A fixing plate (32) is fixedly installed inside the rotating cylinder (31). Fixing posts (33) are fixedly installed on both sides of the fixing plate (32). Each fixing post (33) includes a slidingly installed insert post (35). Both sides of the insert post (35) are fixedly installed with linkage posts (36). An installation sleeve (314) is movably fitted on the surface of the rotating cylinder (31). Insertion holes (315) are opened on both sides of the interior of the installation sleeve (314). One end of the insert post (35) passes through the rotating cylinder (31) and slides into the interior of the insertion hole (315). The shot blasting wheel (213) and the cleaning disc (216) are respectively fixedly installed on the surface of the installation sleeve (314).
3. A hull rust removal device for ship repair according to claim 2, characterized in that: The rotating cylinder (31) is fixedly installed with a rotating column (37), and a set of rotating rods (38) are hinged to the surface of the rotating column (37). The linkage column (36) slides inside the grooves at both ends of the rotating rod (38) to realize the movement of the insertion column (35). The surface of the fixed column (33) is equipped with a spring (34) for resetting the insertion column (35).
4. A hull rust removal device for ship repair according to claim 3, characterized in that: A top block (311) is slidably installed inside the rotating cylinder (31), and a slot (310) is provided inside the top block (311). The rotating rod (38) slides inside the slot (310). The rotating rod (38) rotates in opposite directions by moving the top block (311). A rectangular groove (39) is provided inside the top block (311), and the rotating column (37) slides inside the rectangular groove (39). Limiting grooves (312) are provided on both sides of the top block (311). A set of limiting blocks (313) is fixedly installed at the bottom of the rotating cylinder (31), and one end of the limiting block (313) slides inside the limiting groove (312) to limit the movement of the top block (311).
5. A hull rust removal device for ship repair according to claim 1, characterized in that: The drive unit (22) includes a set of fixed brackets (221) fixedly installed on the top of the base box (1), and a rotating column (222) is rotatably installed inside the fixed brackets (221). A worm gear (223) is fixedly installed on the surface of the rotating column (222), and small bevel teeth (224) are fixedly installed at both ends of the rotating column (222). The small bevel teeth (224) mesh with the first large bevel teeth (212). A motor (228) and a fixed seat (225) are fixedly installed on the top of the base box (1). A rotating rod (226) is fixedly installed at the output end of the motor (228), and a set of worm gears (227) is fixedly installed on the surface of the rotating rod (226). One end of the rotating rod (226) rotates inside the through groove of the fixed seat (225), and the worm gears (227) mesh with the worm wheel (223).
6. A hull rust removal device for ship repair according to claim 1, characterized in that: The dust collection mechanism (4) includes a dust collection head (41) fixedly installed on the top of the inner cavity of the base box (1). A dust collection box (42) is fixedly installed inside the base box (1), and a filter plate (43) is slidably inserted into the dust collection box (42). A dust collection pump (44) is fixedly installed on one side of the dust collection box (42), and the dust collection box (42) and the dust collection head (41) are fixedly connected by a dust collection pipe (45).
Citation Information
Patent Citations
Hull rust removal device for ship maintenance
CN221214517U