Rust removal device and method for special ship manufacturing

Abstract

The invention provides a rust removal device and method for special ship manufacturing, and relates to the field of ship manufacturing. The rust removal device for special ship manufacturing comprises a supporting frame, a driving motor, a transmission lead screw, a transmission seat, a sliding frame, a hydraulic cylinder and a rust removal assembly. The derusting assembly is composed of a supporting bottom frame, a fixing cover, a rotating wheel, a driven wheel and a grinding belt, the grinding belt is driven to rotate through a transmission motor and a reduction gear box, and the derusting function is achieved. According to the derusting method, the derusting assembly is moved to the to-be-derusted area through the driving motor, the derusting angle is adjusted through the hydraulic cylinder, the transmission motor drives the grinding belt to rotate, meanwhile, the grinding pressure is adjusted through the pressure sensor and the electric push rod, and the efficient and uniform derusting effect is achieved. The device and method have the advantages of being high in automation degree, suitable for complex ship body shapes, good in rust removal effect, environmentally friendly and the like, and the efficiency and quality of rust removal operation in special ship manufacturing can be remarkably improved.

Description

Technical Field

[0001] The invention relates to the technical field of shipbuilding, in particular to a rust removal device and method for special shipbuilding. Background Art

[0002] In the process of special ship manufacturing, rust removal on the hull surface is an important link to ensure the quality and service life of the ship. Traditional rust removal methods mainly include manual grinding, sandblasting, etc. However, these methods have many problems: 1. Low efficiency of manual grinding: Manual operation is not only labor-intensive, but also has uneven rust removal effect, which is difficult to meet the rust removal needs of large-area or complex-shaped hulls.

[0003] 2. Difficult to adapt to complex shapes: The surface shape of the ship is complex, and traditional methods are difficult to effectively remove rust from areas with uneven surfaces or large inclination angles.

[0004] 3. Low degree of automation: Most of the existing rust removal equipment lacks automation functions and cannot automatically adjust the rust removal parameters and positions according to the actual rust conditions and shape of the hull surface.

[0005] Therefore, it is of great practical significance to develop a rust removal device and method for special shipbuilding that is efficient, environmentally friendly, and highly automated. Summary of the invention

[0006] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a rust removal device and method for special shipbuilding, which solves the problems of low grinding efficiency, difficulty in adapting to complex shapes and low degree of automation of the existing rust removal devices for shipbuilding.

[0007] (II) Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: A rust removal device and method for special shipbuilding, comprising a support frame, the upper side wall of the support frame is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a transmission screw, the outer side wall of the transmission screw is threadedly connected to a transmission seat, the right side wall of the transmission seat is fixedly connected to a sliding frame, the right side wall of the sliding frame is rotatably connected to a hydraulic cylinder, and the output end of the hydraulic cylinder is rotatably connected to a rust removal component; The rust removal component consists of a supporting base frame and a fixed cover, a rotating wheel is rotatably connected to the upper side wall of the supporting base frame near the rear end, a driven wheel is slidably connected to the upper side wall of the supporting base frame near the rear side, a grinding belt is transmission-connected to the outer side wall of the rotating wheel and the driven wheel, and a plurality of supporting components are installed on the upper side wall of the supporting base frame and between the rotating wheel and the driven wheel.

[0008] Preferably, four universal wheels are installed on the lower side wall of the support frame to facilitate the movement of the device when performing rust removal work, and a braking structure is installed inside each universal wheel for braking the roller in the universal wheel.

[0009] Preferably, two guide rods are fixedly connected inside the support frame, and each of the guide rods is slidably connected to the transmission seat, which can effectively improve the stability of the transmission seat sliding up and down.

[0010] Preferably, the right side wall of the sliding frame is rotatably connected to two support rods, the two support rods are respectively located on both sides of the hydraulic cylinder, and one end of the two support rods away from the sliding frame is rotatably connected to the lower side wall of the supporting frame. The cooperation between the hydraulic cylinder and the support rod can drive the rust removal assembly to rotate, thereby adjusting the rust removal angle.

[0011] Preferably, the upper side wall of the support base is provided with a mating groove, and the support base is matched with the fixing cover through the mating groove. The upper side wall of the support base is provided with threaded grooves on both sides of the mating groove. The internal threads of the threaded groove are connected with fixing bolts, and the support base and the fixing cover can be fixed by the fixing bolts.

[0012] Preferably, a transmission motor and a reduction gear box are installed on the lower side wall of the supporting base frame, the output end of the transmission motor and the input end of the reduction gear box are fixedly connected, the output end of the reduction gear box is fixedly connected to a transmission shaft, the transmission shaft and the rotating wheel are fixedly connected, the transmission motor can drive the transmission shaft to rotate through the reduction gear box, and the transmission shaft can drive the grinding belt to rotate through the rotating wheel.

[0013] Preferably, the upper side wall and the lower side wall of the driven wheel are fixedly connected with a matching rod, and the matching rod is slidably connected to the supporting base frame or the fixed cover, and the lower side wall of the supporting base frame and the upper side wall of the fixed cover are fixedly connected with a positioning plate, and a side wall of the positioning plate close to the matching rod is threadedly connected with a sliding rod, and the outer side wall of the sliding rod is provided with a supporting spring, and the end of the sliding rod away from the limiting cover is fixedly connected to the limiting cover, and the sliding rod and the matching rod are slidably connected. The setting of the sliding rod and the matching rod can improve the sliding stability of the driven wheel, and the setting of the supporting spring can keep the grinding belt in a taut state.

[0014] Preferably, each of the support components is rotatably connected to a support roller at one end away from the sliding frame, a plurality of electric push rods are provided on the upper side wall of the support base, a pressure sensor is installed inside the support component, and each of the output ends of the electric push rods is connected to the pressure sensor. The electric push rod can push the support component to move, thereby driving the rust removal arc of the grinding belt to change through the support roller. The pressure sensor can detect the change in the pressure transmitted to the support component by the grinding belt, thereby adjusting the elongation of the electric push rod according to the pressure change. A rust removal method for special shipbuilding is applied to the above-mentioned rust removal device for special shipbuilding, comprising the following steps: S1. Start the drive motor. The output end of the drive motor drives the transmission screw to rotate. The outer wall of the transmission screw is threadedly connected to the transmission seat, so that the transmission seat moves along the axial direction of the transmission screw, thereby driving the sliding frame to move, and moving the rust removal component to the upper side of the ship to be rust removed; S2. Start the hydraulic cylinder, the output end of the hydraulic cylinder pushes the rust removal assembly to rotate, so that the grinding belt contacts the surface of the ship. During the movement, the two support rods connected to the right wall of the sliding frame are respectively located on both sides of the hydraulic cylinder, and the ends of the two support rods away from the sliding frame are rotatably connected to the lower side wall of the supporting frame, thereby ensuring that the rust removal assembly remains stable during the movement; S3. Start the transmission motor, the output end of the transmission motor drives the transmission shaft to rotate through the reduction gear box, the transmission shaft drives the rotating wheel to rotate, the rotating wheel and the outer wall of the driven wheel are connected with a grinding belt, thereby driving the grinding belt to rotate, and rust is removed from the surface of the ship. During the grinding process, the matching rod of the driven wheel is slidably connected with the supporting chassis or the fixed cover, and the structure of the positioning plate, the sliding rod, the supporting spring and the limit cover can make the driven wheel adapt to the tension change of the grinding belt within a certain range, so as to ensure the stable transmission of the grinding belt. At the same time, the supporting roller of each supporting assembly provides support for the grinding belt, and the pressure sensor detects the contact pressure between the grinding belt and the surface of the ship in real time, and feeds back the pressure signal to the electric push rod, which adjusts the telescopic length according to the pressure signal, so as to ensure that the contact pressure between the grinding belt and the surface of the ship is uniform and moderate, thereby improving the rust removal effect and quality; S4. During the rust removal process, according to the rust condition of the ship surface and the progress of rust removal, the driving motor drives the transmission screw to rotate, so that the transmission seat moves along the axial direction of the transmission screw, and then drives the sliding frame to move, thereby adjusting the position of the rust removal component to achieve rust removal operations in different areas; S5. According to the shape and inclination angle of the ship surface, the angle and position of the rust removal component are adjusted by the hydraulic cylinder so that the grinding belt can better fit the ship surface and improve the rust removal effect and efficiency.

[0015] (III) Beneficial effects The present invention provides a rust removal device and method for special shipbuilding, which has the following beneficial effects: 1. The invention adopts an automatically controlled drive motor and hydraulic cylinder, which can quickly move the rust removal component to the specified position, and automatically adjust the rust removal angle and pressure according to the rust condition and shape of the hull surface to ensure uniform and efficient rust removal.

[0016] 2. The rust removal component in the invention can flexibly adjust the angle and position through the cooperation of the hydraulic cylinder and the support rod, and can fit well to the complex shape of the ship's surface, including uneven areas and areas with large inclination angles, to ensure the comprehensiveness and thoroughness of rust removal.

[0017] 3. In the invention, each supporting assembly is internally installed with a pressure sensor and an electric push rod, which can detect the contact pressure between the grinding belt and the hull surface in real time, and automatically adjust the telescopic length of the electric push rod according to the pressure change, to ensure that the contact pressure between the grinding belt and the hull surface is uniform and moderate, avoiding uneven rust removal or hull damage caused by excessive or insufficient pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a front schematic diagram of the present invention; Figure 3 It is a bottom schematic diagram of the present invention; Figure 4 It is a schematic diagram of the interior of the rust removal component of the present invention; Figure 5 It is a schematic diagram of the bottom of the rust removal component of the present invention; Figure 6 It is a schematic diagram of the interior of the support assembly of the present invention.

[0019] Among them, 1. support frame; 101. universal wheel; 102. guide rod; 2. drive motor; 201. transmission screw; 3. sliding frame; 301. transmission seat; 302. hydraulic cylinder; 303. support rod; 4. rust removal component; 401. support base frame; 402. fixed cover; 403. matching groove; 404. positioning plate; 405. sliding rod; 406. support spring; 407. limit cover; 5. grinding belt; 501. rotating wheel; 502. transmission shaft; 503. driven wheel; 504. reduction gear box; 505. transmission motor; 507. matching rod; 6. support component; 601. pressure sensor; 602. electric push rod; 603. support roller. DETAILED DESCRIPTION

[0020] 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.

[0021] Example: like Figure 1-6 As shown, an embodiment of the present invention provides a rust removal device and method for special ship manufacturing, including a support frame 1, and four universal wheels 101 are installed on the lower side wall of the support frame 1 to facilitate the movement of the device when performing rust removal work. A braking structure is installed inside each universal wheel 101 for braking the roller in the universal wheel 101.

[0022] The upper side wall of the support frame 1 is fixedly connected to the driving motor 2, the output end of the driving motor 2 is fixedly connected to the transmission screw 201, the outer wall of the transmission screw 201 is threadedly connected to the transmission seat 301, and the inside of the support frame 1 is fixedly connected to two guide rods 102, each guide rod 102 is slidably connected to the transmission seat 301, which can effectively improve the stability of the up and down sliding of the transmission seat 301.

[0023] The right side wall of the transmission seat 301 is fixedly connected to the sliding frame 3, the right side wall of the sliding frame 3 is rotatably connected to the hydraulic cylinder 302, the output end of the hydraulic cylinder 302 is rotatably connected to the rust removal assembly 4, and the right side wall of the sliding frame 3 is rotatably connected to two support rods 303, the two support rods 303 are respectively located on both sides of the hydraulic cylinder 302, and the ends of the two support rods 303 away from the sliding frame 3 are rotatably connected to the lower side wall of the supporting base 401. The cooperation between the hydraulic cylinder 302 and the support rod 303 can drive the rust removal assembly 4 to rotate, thereby adjusting the rust removal angle.

[0024] The rust removal component 4 consists of a supporting base frame 401 and a fixed cover 402. The upper side wall of the supporting base frame 401 is provided with a matching groove 403. The supporting base frame 401 cooperates with the fixing cover 402 through the matching groove 403. The upper side wall of the supporting base frame 401 and both sides of the matching groove 403 are provided with threaded grooves. The internal threads of the threaded grooves are connected with fixing bolts, and the supporting base frame 401 and the fixing cover 402 can be fixed by the fixing bolts.

[0025] A rotating wheel 501 is rotatably connected to the upper side wall of the supporting base 401 near the rear end, a driven wheel 503 is slidably connected to the upper side wall of the supporting base 401 near the rear side, a grinding belt 5 is transmission-connected to the outer side wall of the rotating wheel 501 and the driven wheel 503, and a plurality of supporting components 6 are installed on the upper side wall of the supporting base 401 and between the rotating wheel 501 and the driven wheel 503.

[0026] A transmission motor 505 and a reduction gear box 504 are installed on the lower side wall of the support base 401. The output end of the transmission motor 505 and the input end of the reduction gear box 504 are fixedly connected. The output end of the reduction gear box 504 is fixedly connected to a transmission shaft 502. The transmission shaft 502 and the rotating wheel 501 are fixedly connected. The transmission motor 505 can drive the transmission shaft 502 to rotate through the reduction gear box 504, and the transmission shaft 502 can drive the grinding belt 5 to rotate through the rotating wheel 501.

[0027] The upper side wall and the lower side wall of the driven wheel 503 are fixedly connected with a matching rod 507, and the matching rod 507 is slidably connected to the supporting base 401 or the fixed cover 402. The lower side wall of the supporting base 401 and the upper side wall of the fixed cover 402 are fixedly connected with a positioning piece 404. A side wall of the positioning piece 404 close to the matching rod 507 is threadedly connected with a sliding rod 405. A supporting spring 406 is provided on the outer side wall of the sliding rod 405. One end of the sliding rod 405 away from the limiting cover 407 is fixedly connected to the limiting cover 407. The sliding rod 405 and the matching rod 507 are slidably connected. The setting of the sliding rod 405 and the matching rod 507 can improve the sliding stability of the driven wheel 503. The setting of the supporting spring 407 can keep the grinding belt 5 in a taut state.

[0028] Each support component 6 is rotatably connected to a support roller 603 at one end away from the sliding frame 3, and a plurality of electric push rods 602 are arranged on the upper side wall of the support base 401. A pressure sensor 601 is installed inside the support component 6, and the output end of each electric push rod 602 is connected to the pressure sensor 601. The electric push rod 602 can push the support component 6 to move, thereby driving the rust removal arc of the grinding belt 5 to change through the support roller 603. The pressure sensor 601 can detect the change in the pressure transmitted to the support component 6 by the grinding belt 5, thereby adjusting the elongation of the electric push rod 602 according to the pressure change. The electrical components appearing in this article are all electrically connected to an external main controller, and the main controller may be a conventional known device for control such as a computer, and the electrical components appearing in this article are all electrically connected to an external power source.

[0029] A rust removal method for special shipbuilding is applied to the above-mentioned rust removal device for special shipbuilding, comprising the following steps: S1, start the driving motor 2, the output end of the driving motor 2 drives the transmission screw 201 to rotate, the outer wall of the transmission screw 201 is threadedly connected with the transmission seat 301, so that the transmission seat 301 moves along the axial direction of the transmission screw 201, thereby driving the sliding frame 3 to move, and moving the rust removal component 4 to the upper side of the ship to be rust removed; S2. Start the hydraulic cylinder 302. The output end of the hydraulic cylinder 302 pushes the rust removal assembly 4 to rotate, so that the grinding belt 5 contacts the surface of the ship. During the movement, the two support rods 303 rotatably connected to the right side wall of the sliding frame 3 are respectively located on both sides of the hydraulic cylinder 302. The ends of the two support rods 303 away from the sliding frame 3 are rotatably connected to the lower side wall of the supporting frame 401, thereby ensuring that the rust removal assembly 4 remains stable during the movement. S3. Start the transmission motor 505. The output end of the transmission motor 505 drives the transmission shaft 502 to rotate through the reduction gear box 504. The transmission shaft 502 drives the rotating wheel 501 to rotate. The rotating wheel 501 and the outer wall of the driven wheel 503 are connected to the grinding belt 5, thereby driving the grinding belt 5 to rotate to remove rust from the surface of the ship. During the grinding process, the matching rod 507 of the driven wheel 503 is slidably connected to the supporting frame 401 or the fixed cover 402, and the positioning piece 404, the sliding rod 405, the support spring 406 and the limit The structure of the cover 407 enables the driven wheel 503 to adapt to the change of the tension of the grinding belt 5 within a certain range, ensuring the stable transmission of the grinding belt 5. At the same time, the support roller 603 of each support assembly 6 provides support for the grinding belt 5. The pressure sensor 601 detects the contact pressure between the grinding belt 5 and the surface of the ship in real time, and feeds back the pressure signal to the electric push rod 602. The electric push rod 602 adjusts the telescopic length according to the pressure signal, thereby ensuring that the contact pressure between the grinding belt 5 and the surface of the ship is uniform and moderate, thereby improving the rust removal effect and quality. S4. During the rust removal process, according to the rust condition of the ship surface and the rust removal progress, the drive motor 2 drives the drive screw 201 to rotate, so that the drive seat 301 moves along the axial direction of the drive screw 201, thereby driving the sliding frame 3 to move, thereby adjusting the position of the rust removal assembly 4 to achieve rust removal operations in different areas; S5. According to the shape and inclination angle of the ship surface, the angle and position of the rust removal assembly 4 are adjusted by the hydraulic cylinder 302 so that the grinding belt 5 can better fit the ship surface, thereby improving the rust removal effect and efficiency.

[0030] 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 rust removal device for special shipbuilding, comprising a support frame (1), characterized in that: The upper side wall of the support frame (1) is fixedly connected to a driving motor (2), the output end of the driving motor (2) is fixedly connected to a driving screw (201), the outer side wall of the driving screw (201) is threadedly connected to a driving seat (301), the right side wall of the driving seat (301) is fixedly connected to a sliding frame (3), the right side wall of the sliding frame (3) is rotatably connected to a hydraulic cylinder (302), and the output end of the hydraulic cylinder (302) is rotatably connected to a rust removal component (4); The rust removal assembly (4) is composed of a supporting base frame (401) and a fixed cover (402); a rotating wheel (501) is rotatably connected to the upper side wall of the supporting base frame (401) near the rear end; a driven wheel (503) is slidably connected to the upper side wall of the supporting base frame (401) near the rear end; a grinding belt (5) is transmission-connected to the outer side wall of the rotating wheel (501) and the driven wheel (503); and a plurality of supporting assemblies (6) are installed on the upper side wall of the supporting base frame (401) and between the rotating wheel (501) and the driven wheel (503).

2. A rust removal device for special shipbuilding according to claim 1, characterized in that: Four universal wheels (101) are installed on the lower side wall of the support frame (1), and a braking structure is installed inside each universal wheel (101).

3. The rust removal device for special shipbuilding according to claim 1 is characterized in that: Two guide rods (102) are fixedly connected inside the support frame (1), and each of the guide rods (102) is slidably connected to the transmission seat (301).

4. The rust removal device for special shipbuilding according to claim 1 is characterized in that: The right side wall of the sliding frame (3) is rotatably connected to two support rods (303), the two support rods (303) are respectively located on both sides of the hydraulic cylinder (302), and the ends of the two support rods (303) away from the sliding frame (3) are rotatably connected to the lower side wall of the supporting base frame (401).

5. The rust removal device for special shipbuilding according to claim 1 is characterized in that: The upper side wall of the support base (401) is provided with a matching groove (403), and the support base (401) matches with the fixing cover (402) through the matching groove (403). The upper side wall of the support base (401) is provided with thread grooves on both sides of the matching groove (403), and the internal threads of the thread grooves are connected with fixing bolts.

6. The rust removal device for special shipbuilding according to claim 1, characterized in that: A transmission motor (505) and a reduction gear box (504) are mounted on the lower side wall of the support base (401); an output end of the transmission motor (505) and an input end of the reduction gear box (504) are fixedly connected; a transmission shaft (502) is fixedly connected to the output end of the reduction gear box (504); and the transmission shaft (502) and the rotating wheel (501) are fixedly connected.

7. The rust removal device for special shipbuilding according to claim 1 is characterized in that: The upper side wall and the lower side wall of the driven wheel (503) are both fixedly connected with a matching rod (507), and the matching rod (507) is slidably connected to the supporting base frame (401) or the fixed cover (402). The lower side wall of the supporting base frame (401) and the upper side wall of the fixed cover (402) are both fixedly connected with a positioning piece (404), and a side wall of the positioning piece (404) close to the matching rod (507) is threadedly connected with a sliding rod (405), and a supporting spring (406) is provided on the outer side wall of the sliding rod (405). One end of the sliding rod (405) away from the limiting cover (407) is fixedly connected to the limiting cover (407), and the sliding rod (405) and the matching rod (507) are slidably connected.

8. The rust removal device for special shipbuilding according to claim 1, characterized in that: One end of each support assembly (6) away from the sliding frame (3) is rotatably connected to a support roller (603); a plurality of electric push rods (602) are provided on the upper side wall of the support base frame (401); a pressure sensor (601) is installed inside the support assembly (6); and an output end of each electric push rod (602) is connected to the pressure sensor (601).

9. A rust removal method for special shipbuilding, applied to a rust removal device for special shipbuilding as claimed in claims 1 to 8, characterized in that: The following steps are involved: S1, starting the driving motor (2), the output end of the driving motor (2) drives the driving screw (201) to rotate, the outer wall of the driving screw (201) is threadedly connected to the driving seat (301), so that the driving seat (301) moves along the axial direction of the driving screw (201), thereby driving the sliding frame (3) to move, and moving the rust removal component (4) to the upper side of the ship where the rust is to be removed; S2. Start the hydraulic cylinder (302), the output end of the hydraulic cylinder (302) pushes the rust removal assembly (4) to rotate, so that the grinding belt (5) contacts the surface of the ship. During the movement, the two support rods (303) connected to the right side wall of the sliding frame (3) are respectively located on both sides of the hydraulic cylinder (302), and the ends of the two support rods (303) away from the sliding frame (3) are both connected to the lower side wall of the supporting frame (401), so as to ensure that the rust removal assembly (4) remains stable during the movement; S3. The transmission motor (505) is started. The output end of the transmission motor (505) drives the transmission shaft (502) to rotate through the reduction gear box (504). The transmission shaft (502) drives the rotating wheel (501) to rotate. The outer wall of the rotating wheel (501) and the driven wheel (503) are connected to the grinding belt (5), thereby driving the grinding belt (5) to rotate, and rust is removed from the surface of the ship. During the grinding process, the matching rod (507) of the driven wheel (503) is slidably connected to the supporting frame (401) or the fixed cover (402). The positioning piece (404), the sliding rod (405), and the support spring (406) are connected to the driven wheel (503). The structure of the support assembly (6) and the limit cover (407) enables the driven wheel (503) to adapt to the change of the tension of the grinding belt (5) within a certain range, thereby ensuring the stable transmission of the grinding belt (5). At the same time, the support roller (603) of each support assembly (6) provides support for the grinding belt (5). The pressure sensor (601) detects the contact pressure between the grinding belt (5) and the surface of the ship in real time, and feeds back the pressure signal to the electric push rod (602). The electric push rod (602) adjusts the telescopic length according to the pressure signal, thereby ensuring that the contact pressure between the grinding belt (5) and the surface of the ship is uniform and moderate, thereby improving the rust removal effect and quality. S4. During the rust removal process, according to the rust condition of the ship surface and the progress of rust removal, the driving motor (2) drives the drive screw (201) to rotate, so that the drive seat (301) moves along the axial direction of the drive screw (201), thereby driving the sliding frame (3) to move, thereby adjusting the position of the rust removal component (4) to achieve rust removal operations in different areas; S5. According to the shape and inclination angle of the ship surface, the angle and position of the rust removal assembly (4) are adjusted by the hydraulic cylinder (302) so that the grinding belt (5) can better fit the ship surface, thereby improving the rust removal effect and efficiency.

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