Polishing device for ship maintenance

Abstract

The invention relates to the technical field of grinding devices, in particular to a ship maintenance grinding device which comprises a maintenance seat, hydraulic rods are arranged on the two sides of the top of the maintenance seat, a top seat is arranged at the telescopic ends of the hydraulic rods, and a containing disc used for containing a cylinder sleeve is arranged at the top of the maintenance seat. A limiting assembly used for limiting the cylinder sleeve is arranged in the containing disc, a driving motor is arranged at the top of the top base, an adsorption frame is arranged on an output shaft of the driving motor, an adsorption assembly used for adsorbing chippings is arranged in the adsorption frame, and a rotary disc is arranged at the bottom of the adsorption frame. An outer rotating rod and a driving wheel are further driven to rotate through rotation of a circular gear, then the driving wheel is matched with a driven wheel to work to drive an inner rotating rod to rotate, and meanwhile an outer grinding roller outside the outer rotating rod and an inner grinding roller outside the inner rotating rod can also rotate, namely the outer grinding roller and the inner grinding roller can rotate while moving around a cylinder sleeve. And the outer wall and the inner wall of the cylinder sleeve can be polished at the same time, and the overall repairing and polishing efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of grinding devices, in particular to a grinding device for ship repair. Background Art

[0002] Ships primarily rely on diesel engines for their power. Over time, the cylinder liners of diesel engines can develop step-like wear at the stop point of the first piston ring. Given the high cost of cylinder liners for large ship diesel engines, maintenance personnel must regularly inspect and polish them to save costs and extend their service life.

[0003] Chinese Patent Publication No. CN215201276U discloses a cylinder liner step grinding device for ship maintenance. It comprises a vertically mounted sleeve, a support collar mounted on the upper portion of the sleeve, and a plurality of support frames uniformly and horizontally arranged along the circumference of the outer wall of the support collar. A centering mechanism is provided at the bottom of the sleeve, and a cylinder is vertically mounted at the center of the bottom of the centering mechanism. The axis of the cylinder piston rod is collinear with the axis of the sleeve. A support rod is hinged at the bottom of the cylinder piston rod, and a steering mechanism is provided on the support rod. Long strip holes are vertically arranged along the length of the outer end of the support rod. The device can accurately achieve centering with the cylinder liner, ensuring that the pneumatic grinder always rotates along the circumference of the cylinder liner inner wall, ensuring that the depth of the polished grooves is consistent. The device is firmly fixed, providing stable support for the pneumatic grinder during the polishing process, preventing the pneumatic grinder from deviating from its original rotation path, and thus solving the problems existing in the prior art.

[0004] However, the above device can only grind the inner wall of the cylinder liner when grinding the cylinder liner, and cannot grind the outer wall of the cylinder liner. This can easily lead to inconsistent wear degrees between the inner and outer walls of the cylinder liner. If it is necessary to grind the outer wall of the cylinder liner, other equipment needs to be replaced, resulting in a decrease in the overall grinding efficiency. Summary of the Invention

[0005] In view of the above problems, a grinding device for ship maintenance is provided, which drives the top seat to move downward by starting the hydraulic rod, and at the same time, the inner ring block and the outer ring block on the outer wall of the mounting cylinder will also move downward, so that the inner ring block and the outer ring block are moved to the inside and outside of the cylinder liner respectively. At this time, the inner grinding roller on the top of the inner ring block will contact the inner wall of the cylinder liner, and the outer grinding roller on the top of the outer ring block will contact the outer wall of the cylinder liner. Then the driving motor is started to drive the adsorption frame and the turntable to rotate, and the rotation of the turntable will also drive the mounting cylinder, the outer rotating rod, the inner ring block and the outer ring block to move, and the outer When the rotating rod moves, the circular gear on the outside of it will also move, and when the circular gear moves, it will work in conjunction with the gear ring at the bottom of the top seat, so that the circular gear can rotate while moving. The rotation of the circular gear further drives the outer rotating rod and the driving wheel to rotate, and then the driving wheel cooperates with the driven wheel to drive the inner rotating rod to rotate. At the same time, the outer grinding roller outside the outer rotating rod and the inner grinding roller outside the inner rotating rod will also rotate. That is, while the outer grinding roller and the inner grinding roller move around the cylinder liner, they can also grind the outer wall and inner wall of the cylinder liner at the same time, thereby improving the overall repair and grinding efficiency.

[0006] The top of the hydraulic cylinder is equipped with a gear train, and the gear train is equipped with a gear train that can move relative to each other to move the gear train, and the gear train is equipped with a gear train that can move relative to each other to move the gear train.

[0007] Preferably, a driving wheel and a circular gear are respectively provided on the outside of the outer rotating rod, and a driven wheel meshingly connected with the driving wheel is provided on the outside of the inner rotating rod.

[0008] Preferably, a gear ring meshing with a circular gear is provided at the bottom of the top seat, a roller is rotatably provided at the top of the outer rotating rod, and an annular groove for the roller to move is provided at the bottom of the top seat.

[0009] Preferably, the limiting assembly includes a plurality of electric clamps arranged inside the placement plate, and one side of the electric clamp is provided with an anti-slip pad for preventing the cylinder sleeve from sliding.

[0010] Preferably, the adsorption assembly includes a filter box, a dust suction pump and a conversion box arranged on the top of the turntable, the input end of the dust suction pump is connected to the interior of the filter box through a pipe, and the output end of the dust suction pump is connected to the interior of the conversion box through a pipe.

[0011] Preferably, one side of the filter box is connected to an H-shaped adsorption tube, and both sides of the H-shaped adsorption tube are connected to a plurality of adsorption nozzles for adsorbing debris.

[0012] Preferably, an impeller is rotatably provided inside the conversion box, a first rotating rod is rotatably provided at the bottom of the impeller, the bottom of the first rotating rod is rotatably connected to the top of the inner ring block, and a cleaning roller for cleaning debris from the inner wall of the cylinder liner is provided outside the first rotating rod.

[0013] Preferably, a plurality of spring telescopic rods are provided on an inner wall of one side of the filter box, and a filter plate for filtering debris is provided at the telescopic end of the spring telescopic rod.

[0014] Preferably, a second rotating rod is rotatably provided inside the filter box, the bottom of the second rotating rod is rotatably connected to the top of the turntable, and an extrusion protrusion for extruding the filter plate is provided on the outside of the second rotating rod.

[0015] Preferably, a first synchronous wheel is provided on the outside of the first rotating rod, and a second synchronous wheel is provided on the outside of the second rotating rod, and the first synchronous wheel and the second synchronous wheel are connected via a synchronous belt transmission.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. Start the hydraulic rod to drive the top seat to move downward, and at the same time, the inner ring block and outer ring block of the outer wall of the mounting cylinder will also move downward, so that the inner ring block and outer ring block move to the inside and outside of the cylinder sleeve respectively. At this time, the inner grinding roller on the top of the inner ring block will contact the inner wall of the cylinder sleeve, and the outer grinding roller on the top of the outer ring block will contact the outer wall of the cylinder sleeve. Then start the drive motor to drive the adsorption frame and the turntable to rotate. When the turntable rotates, it will also drive the mounting cylinder, outer rotating rod, inner ring block and outer ring block to move. When the outer rotating rod moves, its outer The circular gear will also move, and when the circular gear moves, it cooperates with the gear ring at the bottom of the top seat, so that the circular gear can rotate while moving. The rotation of the circular gear further drives the outer rotating rod and the driving wheel to rotate, and then the driving wheel cooperates with the driven wheel to drive the inner rotating rod to rotate. At the same time, the outer grinding roller outside the outer rotating rod and the inner grinding roller outside the inner rotating rod will also rotate. That is, when the outer grinding roller and the inner grinding roller move around the cylinder liner, they can also grind the outer wall and the inner wall of the cylinder liner at the same time, thereby improving the overall repair and grinding efficiency.

[0018] 2. By using a vacuum pump in conjunction with an H-type adsorption tube, the debris generated during grinding can be adsorbed into the interior of the filter box, and then some impurities in the debris are filtered by the filter plate inside the filter box, and then the filtered gas is discharged into the interior of the conversion box, and finally the filtered gas is discharged. The vacuum pump in conjunction with the H-type adsorption tube can collect the debris generated during grinding of the inner wall of the cylinder liner, avoiding the cylinder liner and the inner wall from pushing a large amount of debris, which requires secondary cleaning later. Filtering the impurities in the debris before discharging can reduce the wear of the vacuum pump during operation. When discharging the gas, the airflow will pass through the conversion box, and at the same time, it will drive the impeller inside the conversion box to rotate, further driving the first rotating rod and the cleaning roller at the bottom of the impeller to rotate. The rotating cleaning roller can clean the debris adhering to the inner wall of the cylinder liner, so that the debris can be easily adsorbed by the H-type adsorption tube, and the cleaning roller will also move with the inner ring block, facilitating all-round cleaning of the inner wall of the cylinder liner.

[0019] 3. The first synchronous wheel cooperates with the synchronous belt to drive the second synchronous wheel and the second rotating rod to rotate, and further drives the extrusion protrusion outside the second rotating rod to rotate. The extrusion protrusion can continuously squeeze the filter plate, so that the filter plate is always in a vibrating state under the action of the spring telescopic rod, preventing the filter holes inside the filter plate from being blocked by impurities, thereby affecting the speed of gas circulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The present invention is a schematic diagram of the overall structure of a grinding device for ship maintenance.

[0021] Figure 2 The present invention is a schematic diagram of the structure of a disc placed in a grinding device for ship maintenance.

[0022] Figure 3 The present invention is a structural schematic diagram of a limit assembly in a grinding device for ship maintenance.

[0023] Figure 4 The present invention is a schematic diagram of the structure of a gear ring in a grinding device for ship maintenance.

[0024] Figure 5 yes Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0025] Figure 6 The present invention is a schematic diagram of the internal structure of a mounting cylinder in a grinding device for ship maintenance.

[0026] Figure 7 The present invention is a structural schematic diagram of an H-shaped adsorption tube in a grinding device for ship maintenance.

[0027] Figure 8 The present invention is a structural schematic diagram of an adsorption component in a grinding device for ship maintenance.

[0028] Figure 9 The present invention is a schematic diagram of the internal structure of a filter frame in a grinding device for ship maintenance.

[0029] Figure 10 The present invention is a structural schematic diagram of a cylinder liner grinding device used for ship maintenance.

[0030] Figure 11 The present invention is a cross-sectional view of a grinding device for ship maintenance during grinding of a cylinder liner.

[0031] 1. Maintenance seat; 2. Placement plate; 3. Hydraulic rod; 4. Top seat; 5. Drive motor; 6. Adsorption frame; 7. Turntable; 8. Mounting cylinder; 9. Electric clamp; 10. Anti-slip pad; 11. Gear ring; 12. Inner ring block; 13. Outer ring block; 14. Outer grinding roller; 15. Inner grinding roller; 16. Outer rotating rod; 17. Driving wheel; 18. Driven wheel; 19. Inner rotating rod; 20. First rotating rod; 21. Cleaning roller; 22. H-shaped adsorption tube; 23. Adsorption nozzle; 24. Filter box; 25. Dust suction pump; 26. Conversion box; 27. Impeller; 28. First synchronous wheel; 29. ​​Synchronous belt; 30. Filter plate; 31. Second rotating rod; 32. Second synchronous wheel; 33. Spring telescopic rod; 34. Extrusion protrusion; 35. Connecting rod; 36. Circular gear; 37. Roller. DETAILED DESCRIPTION

[0032] In order to further understand the features, technical means, specific objectives and functions achieved by the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] like Figures 1 to 11 As shown, the present invention provides:

[0034] A grinding device for ship maintenance includes a maintenance seat 1, hydraulic rods 3 are provided on both sides of the top of the maintenance seat 1, a top seat 4 is provided at the telescopic end of the hydraulic rod 3, a placement plate 2 for placing the cylinder liner is provided on the top of the maintenance seat 1, a limiting component for limiting the cylinder liner is provided inside the placement plate 2, a driving motor 5 is provided on the top of the top seat 4, an adsorption frame 6 is provided on the output shaft of the driving motor 5, an adsorption component for adsorbing debris is provided inside the adsorption frame 6, and a turntable is provided at the bottom of the adsorption frame 6. 7. A mounting cylinder 8 is provided at the bottom of the turntable 7, an inner ring block 12 is provided on the outside of the mounting cylinder 8, an inner rotating rod 19 is rotatably provided on the top of the inner ring block 12, an inner grinding roller 15 for grinding the inner wall of the cylinder liner is provided on the outside of the inner rotating rod 19, a symmetrical connecting rod 35 is provided at the bottom of the turntable 7, an outer ring block 13 is provided at the bottom of the connecting rod 35, an outer rotating rod 16 is rotatably provided on the top of the outer ring block 13, and an outer grinding roller 14 for grinding the outer wall of the cylinder liner is provided on the outside of the outer rotating rod 16.

[0035] Driven by the hydraulic rod 3, the top seat 4 moves downward. At the same time, the inner ring block 12 and the outer ring block 13 on the outer wall of the mounting tube 8 also move downward along with the top seat 4. The synchronous downward movement enables the inner ring block 12 and the outer ring block 13 to move to the inside and outside of the cylinder liner respectively. When the inner ring block 12 moves to the inside of the cylinder liner, the inner grinding roller 15 on its top will be in close contact with the inner wall of the cylinder liner; and when the outer ring block 13 moves to the outside of the cylinder liner, the outer grinding roller 14 on its top will also be in close contact with the outer wall of the cylinder liner. This allows the inner grinding roller 15 and the outer grinding roller 14 to grind the inner and outer walls of the cylinder liner at the same time. The method of simultaneous double-sided grinding improves the efficiency and effectiveness of cylinder liner maintenance and grinding.

[0036] like Figure 6 and Figure 7 As shown, a driving wheel 17 and a circular gear 36 are respectively provided on the outside of the outer rotating rod 16 , and a driven wheel 18 meshingly connected with the driving wheel 17 is provided on the outside of the inner rotating rod 19 .

[0037] The coordinated operation of the driving wheel 17 and the driven wheel 18 effectively drives the inner rotating rod 19 and the outer rotating rod 16 to rotate. At the same time, the outer grinding roller 14 on the outer rotating rod 16 and the inner grinding roller 15 on the inner rotating rod 19 also rotate accordingly, thereby achieving efficient maintenance and grinding operations on the inner and outer walls of the cylinder liner.

[0038] like Figure 4 and Figure 5 As shown, the bottom of the top seat 4 is provided with a gear ring 11 meshing with a circular gear 36, the top of the outer rotating rod 16 is rotatably provided with a roller 37, and the bottom of the top seat 4 is provided with an annular groove for the roller 37 to move.

[0039] The precise coordination of the circular gear 36 with the gear ring 11 at the bottom of the top seat 4 during movement allows the circular gear 36 to simultaneously rotate while moving. This allows the circular gear 36 to effectively drive the outer rotating rod 16 to rotate. Simultaneously, the roller 37 on the outer rotating rod 16 moves smoothly within the annular groove, significantly reducing wear on the outer rotating rod 16 during movement.

[0040] like Figure 3 As shown, the limiting assembly includes a plurality of electric clamping jaws 9 arranged inside the placement plate 2, and an anti-slip pad 10 is provided on one side of the electric clamping jaws 9 for preventing the cylinder sleeve from sliding.

[0041] The electric clamp 9 inside the placement plate 2 can be used to clamp the cylinder liner to prevent it from sliding when grinding the cylinder liner, which reduces the maintenance and grinding efficiency. At the same time, the anti-slip pad 10 on the side wall of the electric clamp 9 can increase the friction with the outer wall of the cylinder liner, further ensuring the stability of the cylinder liner during grinding. When the cylinder liner is placed stably.

[0042] like Figure 8 As shown, the adsorption assembly includes a filter box 24, a dust suction pump 25 and a conversion box 26 arranged on the top of the turntable 7. The input end of the dust suction pump 25 is connected to the interior of the filter box 24 through a pipe, and the output end of the dust suction pump 25 is connected to the interior of the conversion box 26 through a pipe.

[0043] By using a vacuum pump 25, we can effectively draw the debris generated during the grinding process into the interior of the filter box 24. Inside the filter box 24, impurities in the debris are carefully filtered out by the filtration system. The filtered air is then directed into the interior of the transfer box 26, and ultimately, it is safely discharged to the outside environment.

[0044] like Figure 6 and Figure 7 As shown, one side of the filter box 24 is connected to an H-shaped adsorption tube 22 , and both sides of the H-shaped adsorption tube 22 are connected to a plurality of adsorption nozzles 23 for adsorbing debris.

[0045] The H-shaped adsorption tube 22 effectively absorbs debris generated by the inner grinding roller 15 during operation. The H-shaped adsorption tube 22 is designed to perform two functions simultaneously: first, it absorbs and removes debris generated during the grinding process, ensuring a clean work area; second, it effectively absorbs debris removed by the cleaning roller 21 during the cleaning process, further maintaining the cleanliness and efficiency of the equipment.

[0046] like Figure 7 and Figure 8 As shown, an impeller 27 is rotatably provided inside the conversion box 26, a first rotating rod 20 is rotatably provided at the bottom of the impeller 27, the bottom of the first rotating rod 20 is rotatably connected to the top of the inner ring block 12, and a cleaning roller 21 for cleaning debris from the inner wall of the cylinder liner is provided outside the first rotating rod 20.

[0047] During the exhaust process, the airflow passes through the conversion box 26. This process not only causes the airflow to pass through, but also causes the impeller 27 inside the conversion box 26 to rotate. This rotation of the impeller 27 further drives the first rotating rod 20 and the cleaning roller 21 at the bottom of the impeller 27 to rotate. This rotation effectively removes debris adhering to the inner wall of the cylinder liner. Once this debris is removed, it is easily absorbed by the H-shaped adsorption tube 22, ensuring a smooth and efficient cleaning process.

[0048] like Figure 9 As shown, a plurality of spring telescopic rods 33 are provided on the inner wall of one side of the filter box 24 , and a filter plate 30 for filtering debris is provided at the telescopic end of the spring telescopic rod 33 .

[0049] The filter plate 30 installed inside the filter box 24 effectively filters impurities from the debris. This prior filtering of impurities from the debris before discharge reduces wear on the dust pump 25 during operation. This not only extends the service life of the dust pump 25 but also ensures efficient operation of the entire system, reducing maintenance costs and improving operational efficiency.

[0050] like Figure 9 As shown, a second rotating rod 31 is rotatably provided inside the filter box 24 , the bottom of the second rotating rod 31 is rotatably connected to the top of the turntable 7 , and an extrusion protrusion 34 for squeezing the filter plate 30 is provided outside the second rotating rod 31 .

[0051] The continuous action of the squeezing protrusions 34 continuously squeezes the filter plate 30. This squeezing action keeps the filter plate 30 in a constant vibrating state under the action of the spring telescopic rods 33. This vibration helps prevent the filter pores within the filter plate 30 from being clogged by impurities, thereby ensuring that the gas flow rate is not affected by blockage.

[0052] like Figure 8 and Figure 9 As shown, a first synchronous wheel 28 is provided on the outside of the first rotating rod 20 , and a second synchronous wheel 32 is provided on the outside of the second rotating rod 31 . The first synchronous wheel 28 and the second synchronous wheel 32 are connected through a synchronous belt 29 .

[0053] The precise coordination of the first synchronous wheel 28 and the efficient transmission of the synchronous belt 29 drive the second synchronous wheel 32 and the second rotating rod 31. As the second rotating rod 31 rotates, the extrusion protrusion 34 on its exterior also rotates, making the extrusion process of the filter plate 30 more convenient and efficient.

[0054] Working principle: When it is necessary to grind and repair the cylinder liner of a marine diesel engine, the staff will first remove the cylinder liner, and then place the cylinder liner inside the placement plate 2. The electric clamp 9 inside the placement plate 2 can then be used to clamp the cylinder liner to prevent it from sliding when grinding the cylinder liner, which would reduce the efficiency of the repair and grinding. At the same time, the anti-slip pad 10 on the side wall of the electric clamp 9 can increase the friction with the outer wall of the cylinder liner, further ensuring the stability of the cylinder liner during grinding. When the cylinder liner is placed stably, the hydraulic rod 3 is started to drive the top seat 4 to move downward, and at the same time, the inner ring block 12 and the outer ring block 13 on the outer wall of the mounting tube 8 will also move downward, so that the inner ring block 12 and the outer ring block 13 are respectively moved to the inside and outside of the cylinder liner. At this time, the inner grinding of the top of the inner ring block 12 The grinding roller 15 will contact the inner wall of the cylinder sleeve, and the outer grinding roller 14 on the top of the outer ring block 13 will contact the outer wall of the cylinder sleeve, and then the driving motor 5 will be started to drive the adsorption frame 6 and the turntable 7 to rotate. When the turntable 7 rotates, it will also drive the mounting cylinder 8, the outer rotating rod 16, the inner ring block 12 and the outer ring block 13 to move. When the outer rotating rod 16 moves, the circular gear 36 on the outside will also move, and the circular gear 36 will work with the gear ring 11 at the bottom of the top seat 4 when moving, so that the circular gear 36 can rotate while moving, and the rotation of the circular gear 36 further drives the outer rotating rod 16 and the driving wheel 17 to rotate, and then the driving wheel 17 cooperates with the driven wheel 18 to drive the inner rotating rod 19 to rotate. At the same time, the outer grinding roller 14 on the outside of the outer rotating rod 16 and the outer surface of the inner rotating rod 19 The inner grinding roller 15 will also rotate, that is, the outer grinding roller 14 and the inner grinding roller 15 can simultaneously grind the outer wall and the inner wall of the cylinder liner while moving around the cylinder liner, thereby improving the overall repair and grinding efficiency. When repairing and grinding the inner wall of the cylinder liner, the debris generated is easy to fall into the inside of the cylinder liner and adhere to the inner wall of the cylinder liner. Therefore, when grinding the cylinder liner, the dust suction pump 25 is started, and the dust suction pump 25 is used to work with the H-type adsorption tube 22 to adsorb the debris generated during grinding into the inside of the filter box 24, and then the filter plate 30 inside the filter box 24 filters some impurities in the debris, and then the filtered gas is discharged into the inside of the conversion box 26, and finally the filtered gas is discharged. The dust suction pump 25 is used to work with the H-type adsorption tube 22 to The debris generated when grinding the inner wall of the cylinder liner is collected to avoid a large amount of debris being pushed between the inside and the inner wall of the cylinder liner, which requires secondary cleaning later. Filtering the impurities in the debris before discharging can reduce the wear of the dust suction pump 25 during operation. When discharging gas, the airflow will pass through the conversion box 26, and at the same time drive the impeller 27 inside the conversion box 26 to rotate, further driving the first rotating rod 20 and the cleaning roller 21 at the bottom of the impeller 27 to rotate. The rotating cleaning roller 21 can clean the debris adhering to the inner wall of the cylinder liner, so that the debris can be easily adsorbed by the H-shaped adsorption tube 22, and the cleaning roller 21 will also move with the inner ring block 12, so as to facilitate all-round cleaning of the inner wall of the cylinder liner. When the first rotating rod 20 rotates, its external first synchronous wheel 28 will also rotate.The first synchronous wheel 28 cooperates with the synchronous belt 29 to drive the second synchronous wheel 32 and the second rotating rod 31 to rotate, further driving the extrusion protrusion 34 on the outside of the second rotating rod 31 to rotate. The extrusion protrusion 34 can continuously squeeze the filter plate 30, so that the filter plate 30 is in a constant vibrating state under the action of the spring telescopic rod 33, preventing the filter holes inside the filter plate 30 from being blocked by impurities, thereby affecting the speed of gas circulation. Finally, when the grinding is completed, the cylinder liner can be removed.

[0055] The above embodiments merely illustrate one or several embodiments of the ship repair grinding device of the present invention. While the description is relatively specific and detailed, it should not be construed as limiting the scope of the present invention. It should be noted that variations and improvements are possible within the scope of the present invention, as would be apparent to those skilled in the art. These variations and improvements fall within the scope of the present invention. Therefore, the scope of the present invention shall be determined by the appended claims.

[0056] In the present invention, unless otherwise clearly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be internal communication between two elements or an interaction relationship between two elements. Unless otherwise clearly specified and limited, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to specific circumstances.

Claims

1. A grinding device for ship maintenance, characterized in that: The invention comprises a maintenance seat (1), wherein both sides of the top of the maintenance seat (1) are provided with hydraulic rods (3), the telescopic ends of the hydraulic rods (3) are provided with a top seat (4), the top of the maintenance seat (1) is provided with a placement plate (2) for placing a cylinder sleeve, the interior of the placement plate (2) is provided with a limiting component for limiting the cylinder sleeve, the top of the top seat (4) is provided with a driving motor (5), the output shaft of the driving motor (5) is provided with an adsorption frame (6), the interior of the adsorption frame (6) is provided with an adsorption component for adsorbing debris, the bottom of the adsorption frame (6) is provided with a turntable (7), the turntable ( The bottom of the turntable (7) is provided with a mounting cylinder (8), the outside of the mounting cylinder (8) is provided with an inner ring block (12), the top of the inner ring block (12) is rotatably provided with an inner rotating rod (19), the outside of the inner rotating rod (19) is provided with an inner grinding roller (15) for grinding the inner wall of the cylinder liner, the bottom of the turntable (7) is provided with a symmetrical connecting rod (35), the bottom of the connecting rod (35) is provided with an outer ring block (13), the top of the outer ring block (13) is rotatably provided with an outer rotating rod (16), and the outside of the outer rotating rod (16) is provided with an outer grinding roller (14) for grinding the outer wall of the cylinder liner.

2. A grinding device for ship maintenance according to claim 1, characterized in that: The outer portion of the outer rotating rod (16) is provided with a driving wheel (17) and a circular gear (36), and the outer portion of the inner rotating rod (19) is provided with a driven wheel (18) meshingly connected with the driving wheel (17).

3. A grinding device for ship maintenance according to claim 1, characterized in that: The bottom of the top seat (4) is provided with a gear ring (11) meshing with a circular gear (36), the top of the outer rotating rod (16) is rotatably provided with a roller (37), and the bottom of the top seat (4) is provided with an annular groove that moves in cooperation with the roller (37).

4. A grinding device for ship maintenance according to claim 1, characterized in that: The limiting assembly comprises a plurality of electric clamping jaws (9) arranged inside the placement plate (2), and an anti-slip pad (10) for preventing the cylinder sleeve from sliding is provided on one side of the electric clamping jaws (9).

5. A grinding device for ship maintenance according to claim 1, characterized in that: The adsorption assembly comprises a filter box (24) arranged on the top of the turntable (7), a dust suction pump (25) and a conversion box (26), the input end of the dust suction pump (25) being connected to the interior of the filter box (24) through a pipe, and the output end of the dust suction pump (25) being connected to the interior of the conversion box (26) through a pipe.

6. A grinding device for ship maintenance according to claim 5, characterized in that: One side of the filter box (24) is connected to an H-shaped adsorption tube (22), and both sides of the H-shaped adsorption tube (22) are connected to a plurality of adsorption nozzles (23) for adsorbing debris.

7. A grinding device for ship maintenance according to claim 5, characterized in that: An impeller (27) is rotatably provided inside the conversion box (26), a first rotating rod (20) is rotatably provided at the bottom of the impeller (27), the bottom of the first rotating rod (20) is rotatably connected to the top of the inner ring block (12), and a cleaning roller (21) for cleaning debris from the inner wall of the cylinder liner is provided outside the first rotating rod (20).

8. A grinding device for ship maintenance according to claim 5, characterized in that: A plurality of spring telescopic rods (33) are provided on an inner wall of one side of the filter box (24), and a filter plate (30) for filtering debris is provided at the telescopic end of the spring telescopic rod (33).

9. A grinding device for ship maintenance according to claim 5, characterized in that: A second rotating rod (31) is rotatably provided inside the filter box (24), the bottom of the second rotating rod (31) is rotatably connected to the top of the turntable (7), and an extrusion protrusion (34) for extruding the filter plate (30) is provided outside the second rotating rod (31).

10. A grinding device for ship maintenance according to claim 7, characterized in that: A first synchronous wheel (28) is provided on the outside of the first rotating rod (20), and a second synchronous wheel (32) is provided on the outside of the second rotating rod (31). The first synchronous wheel (28) and the second synchronous wheel (32) are connected to each other through a synchronous belt (29).

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