CN109353446B - Ship maintenance special platform - Google Patents
Ship maintenance special platform Download PDFInfo
- Publication number
- CN109353446B CN109353446B CN201811092469.7A CN201811092469A CN109353446B CN 109353446 B CN109353446 B CN 109353446B CN 201811092469 A CN201811092469 A CN 201811092469A CN 109353446 B CN109353446 B CN 109353446B
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- Prior art keywords
- lifting
- maintenance
- flat plate
- ships
- boats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B81/00—Repairing or maintaining vessels
Abstract
The invention discloses a special platform for ship maintenance, which has the technical scheme that: the utility model provides a boats and ships maintenance specialized platform, includes two bases, and every base top is connected with the pillar, and the upper end of pillar is provided with the ceiling, has the maintenance space that supplies boats and ships to pass through between two bases, all is equipped with elevating system on every base, elevating system includes the lifting flat board, installs the vertical lift cylinder in the base, the end connection of vertical lift cylinder is dull and stereotyped in the lifting flat board, just this flange is the lift end in the dull and stereotyped flange edge of lifting extends to the maintenance space, be equipped with the supporting seat on the up end of lift end, it has the backing roll to articulate on the supporting seat. Above-mentioned boats and ships maintenance specialized platform adopts ingenious inner structure, has solved the problem that traditional maintenance quality is low.
Description
Technical Field
The invention relates to ship maintenance equipment, in particular to a special platform for ship maintenance.
Background
The utility model discloses a boats and ships maintenance platform can adopt like chinese utility model patent of publication No. CN204197243U generally, it includes two bases, be connected with the pillar on every base, the upper end of pillar is provided with the ceiling, there is maintenance space between two bases, the boats and ships of treating the maintenance can move to in the maintenance space, be provided with lifting mechanism in the maintenance space, lifting mechanism is for aerifing the roller, aerify the charge and discharge pneumatic work of roller, can be used for driving boats and ships to reciprocate perpendicularly, in order to order about boats and ships to emerge, then correspond the maintenance.
In the boats and ships maintenance process, to a great extent can polish, weld, spray paint hull damaged position, above-mentioned in-process, the spraying of lacquer body in hull surface, need carry out the stable adhesion in the certain time with hull surface after the spraying of lacquer body, just can reach the boats and ships maintenance effect of preferred, and traditional boats and ships maintenance specialized platform only carries out the vertical lift, in case meet the lateral wall spraying, lacquer body adhesion effect is extremely poor, and the maintenance effect is not good enough.
Disclosure of Invention
In view of this, the present invention provides a platform for ship maintenance, which has a good ship body maintenance effect.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a boats and ships maintenance specialized platform, includes two bases, and every base top is connected with the pillar, and the upper end of pillar is provided with the ceiling, has the maintenance space that supplies boats and ships to pass through between two bases, all is equipped with elevating system on every base, elevating system includes the lifting flat board, installs the vertical lift cylinder in the base, the end connection of vertical lift cylinder is dull and stereotyped in the lifting flat board, just this flange is the lift end in the dull and stereotyped flange edge of lifting extends to the maintenance space, be equipped with the supporting seat on the up end of lift end, it has the backing roll to articulate on the supporting seat.
Through the technical scheme, in an initial state, the supporting rollers are all located below a horizontal plane, a ship to be maintained can run into a maintenance space, after the ship is stopped stably, the lifting rods of the vertical lifting oil cylinders move upwards to push the lifting flat plate to move upwards, the supporting rollers can move upwards, the outer roller surfaces of the supporting rollers can abut against the lower bottom surface of the ship, then the whole ship is jacked up, the ship leaves the water surface, maintenance personnel get on the ship to determine the ship maintenance position, once the maintenance position is determined, the inclination angle of the ship can be adjusted by driving the lifting height difference of the two vertical lifting oil cylinders, the ship maintenance position is preferably located at the lowest point, at the moment, the ship maintenance position is sprayed with paint, the paint body adhesion effect of a paint spraying point is excellent, and the maintenance effect is very good; above-mentioned boats and ships maintenance platform adopts ingenious inner structure, has solved the difficult problem of traditional maintenance.
Preferably, the rotation axis of the support roller is perpendicular to the arrangement direction of the two bases.
Through the technical scheme, in the process that the two vertical lifting oil cylinders form the lifting height difference, the friction force between the roller surface of the supporting roller and the outer side wall of the ship is rolling friction, the friction force between the roller surface of the supporting roller and the outer side wall of the ship is effectively reduced, and the damage to the outer side of the ship is reduced.
Preferably, the outer roller wall of the supporting roller is sleeved with a plurality of rubber anti-slip rings.
Through the technical scheme, the rubber anti-slip ring is arranged, so that on one hand, the hard resisting damage between the supporting roller and the outer side wall of the ship can be effectively reduced; on the other hand, the effective friction between the support rollers and the outer side wall of the ship can be increased.
Preferably, the outer roll wall of the supporting roll is provided with a plurality of annular grooves, the annular grooves are arranged along the length direction of the roll core of the supporting roll, the rubber anti-slip rings are sleeved in the annular grooves in a one-to-one correspondence manner, and the outer rings of the rubber anti-slip rings protrude out of the notches of the annular grooves.
Through above-mentioned technical scheme, the ring channel can produce limiting displacement to rubber antiskid circle, promotes the conflict stability between backing roll and the boats and ships lateral wall.
Preferably, the lifting flat plate is further provided with an inflation and deflation device, the rubber anti-skid ring is internally provided with an inflation and deflation cavity, and the inflation and deflation device is butted with the inflation and deflation cavity;
when the air charging and discharging cavity is full of air, the outer ring of the rubber anti-slip ring is abutted against the surface of the lifting flat plate.
Through above-mentioned technical scheme, when not aerifing in the cavity of inflating and deflating, the backing roll can take place the free roll, and when two lift flat boards take place the high dislocation of going up and down, the backing roll can laminate boats and ships lateral wall and take place to roll, and after the whole certain angle that inclines of boats and ships, fill with gas in the cavity of inflating and deflating, rubber antiskid ring outer lane can offset with the dull and stereotyped face of lift to the rotation of restriction backing roll, with the stability that keeps the tilt state of boats and ships.
Preferably, each lifting flat plate is provided with a stop oil cylinder, a rubber pad is arranged at the telescopic end of each stop oil cylinder, and the rubber pads are abutted against or separated from the side wall of the ship body under the driving of the stop oil cylinders.
Through above-mentioned technical scheme, when boats and ships were in the inclined state of ideal, the flexible end of stopping the hydro-cylinder can extend, and the rubber pad can offset with the lateral wall of boats and ships to further keep the inclined state's of boats and ships stability.
Preferably, the pillar is provided with a sliding groove in the vertical direction, the lifting flat plate extends out of a sliding end to one side departing from the maintenance space, and the sliding end is connected in the sliding groove in a sliding mode.
Through above-mentioned technical scheme, make full use of the original position of pillar, when the dull and stereotyped lift action in-process that realizes that the slip end can take place relative slip effect with the spout, and then can guide whole lift flat board to go on stably the action of going up and down.
Preferably, still include elasticity dustproof cloth, it has the movable rod to slide to serve to articulate, and elasticity dustproof cloth both ends are connected respectively in the movable rod and are kept away from one of pin joint and serve.
Through above-mentioned technical scheme, boats and ships are in the way of maintenance, need to prevent dust to boats and ships and handle, can have certain difference in height based on between two lift flat boards, at this moment, slide and serve and connect the movable rod, the tip position at the movable rod is connected to elasticity dustproof cloth, the plane that elasticity dustproof cloth formed can have certain difference in height and the automatic tilt state that takes place along with between two lift flat boards, at this moment, rotate the movable rod round the pin joint, elasticity dustproof cloth alright cover in boats and ships upper surface, play dustproof effect.
Preferably, the end of the movable rod departing from the hinge point is provided with a magnet.
Through above-mentioned technical scheme, after the movable rod rotated round the pin joint, magnet can produce magnetic force adsorption with the boats and ships surface to guarantee the dustproof effect between elasticity dustproof cloth and the boats and ships.
Preferably, the movable rod is divided into an upper rod and a lower rod, one end of the lower rod is hinged to the end of the lifting flat plate, the upper rod is connected with the lower rod through a spring, the magnet is located in the upper rod, and the support is made of iron materials.
Through the technical scheme, when the vertical lifting oil cylinder drives the lifting flat plate to lift, the magnet of the upper rod and the support column generate magnetic attraction, and the whole upper rod and the whole lower rod are attached to the surface of the support column, so that the overall sliding reliability is improved; in addition, when the elastic dustproof cloth needs to be covered, the lower rod is rotated and pulled through the spring, the magnet in the upper rod can be attracted by magnetic force generated on the outer side of the ship, in addition, due to the fact that the transverse width of the ship is different in size, the upper rod is connected with the lower rod through the spring, the spring has certain telescopic capacity, and the whole movable rod can adapt to ships of different sizes.
The technical effects of the invention are mainly reflected in the following aspects:
(1) when the ship is lifted, the height difference of the lifting platforms at the two sides is utilized, so that the whole ship generates a certain inclined state, and the maintenance effect is further improved;
(2) the lifting platform has high lifting stability;
(3) the height difference of the lifting platforms at the two sides is utilized, so that the elastic dustproof cloth is suitable for the inclined state of the ship, and the dustproof effect is better;
(4) the movable rod is suitable for ships with different sizes, and the movable rod has certain scalability.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
fig. 2 is a partial cross-sectional view of the support roller.
Reference numerals: 1. a base; 2. a pillar; 3. a ceiling; 4. maintaining the space; 5. a lifting mechanism; 6. lifting the flat plate; 7. a vertical lift cylinder; 8. a lifting end; 9. a supporting seat; 10. a support roller; 11. a rubber anti-slip ring; 12. an annular groove; 13. an air charging and discharging device; 14. inflating and deflating the cavity; 15. stopping the oil cylinder; 16. a rubber pad; 17. a chute; 18. a slipping end; 19. elastic dustproof cloth; 20. a movable rod; 21. a magnet; 22. a rod is arranged; 23. a lower rod; 24. a spring.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-2 to make the technical solution of the present invention easier to understand and grasp.
The utility model provides a boats and ships maintenance specialized platform, includes two bases 1, and 1 top of every base is connected with the pillar 2 that is vertical setting, and the upper end of both sides pillar 2 is provided with ceiling 3, has the maintenance space 4 that supplies boats and ships to pass through between two bases 1, and boats and ships can sail into in the maintenance space 4, and ceiling 3 shelters from in the boats and ships top.
The pillar 2 is provided with a sliding groove 17 in the vertical direction, the lifting flat plate 6 extends out of a sliding end 18 to one side away from the maintenance space 4, and the sliding end 18 is connected in the sliding groove 17 in a sliding manner.
All be equipped with elevating system 5 on every base 1, elevating system 5 includes lift flat 6, installs the vertical lift cylinder 7 in base 1, and the liftable end 8 portion of vertical lift cylinder 7 passes base 1 upper surface and is vertical upwards, 6 laminating of lift flat and base 1 surface. The lifting end 8 of the vertical lifting oil cylinder 7 is connected to the lifting flat plate 6, one end plate edge of the lifting flat plate 6 extends into the maintenance space 4, the plate edge is a lifting end 8, a supporting seat 9 is arranged on the upper end face of the lifting end 8, and a supporting roll 10 is hinged to the supporting seat 9. The rotation axis core of the support roller 10 is perpendicular to the arrangement direction of the two bases 1.
The supporting roller 10 is also improved to a certain extent, the outer roller wall of the supporting roller 10 is provided with a plurality of annular grooves 12, the annular grooves 12 are arranged along the length direction of the roller core of the supporting roller 10, the outer roller wall of the supporting roller 10 is sleeved with a plurality of rubber anti-slip rings 11, the rubber anti-slip rings 11 are sleeved in the annular grooves 12 in a one-to-one correspondence manner, and the outer rings of the rubber anti-slip rings 11 protrude out of the notches of the annular grooves 12.
The lifting flat plate 6 is also provided with an inflation and deflation device 13, the rubber antiskid ring 11 is internally provided with an inflation and deflation cavity 14, and the inflation and deflation device 13 is butted with the inflation and deflation cavity 14; when the air charging and discharging cavity 14 is full of air, the outer ring of the rubber anti-slip ring 11 is abutted against the surface of the lifting flat plate 6; when the air is not inflated in the air inflation and deflation cavity 14, the outer ring of the rubber anti-skid ring 11 protrudes out of the outer roller wall of the supporting roller 10 and does not abut against the surface of the lifting platform.
In addition, each lifting flat plate 6 is provided with a stop oil cylinder 15, a rubber pad 16 is arranged at the telescopic end of each stop oil cylinder 15, and the rubber pads 16 are abutted against or separated from the side wall of the ship hull under the drive of the stop oil cylinders 15.
Still include elasticity dustproof cloth 19, elasticity dustproof cloth 19 self has certain elasticity, and it has movable rod 20 to articulate on the end 18 that slides, and elasticity dustproof cloth 19 both ends are connected respectively in movable rod 20 and are kept away from one of pin joint and serve. The end of the movable rod 20 facing away from the hinge point is provided with a magnet 21.
The movable rod 20 is divided into an upper rod 22 and a lower rod 23, one end of the lower rod 23 is hinged to the end of the lifting flat plate 6, the upper rod 22 is connected with the lower rod 23 through a spring 24, a magnet 24 is located in the upper rod 22, the support column 2 is made of iron materials, and the support column 2 can be attracted by the magnetic force of the magnet 24.
In the actual use process, in the initial stage, the supporting roller 10 is located below the horizontal plane, a ship to be maintained drives into the maintenance space 4, the vertical lifting cylinder 7 drives the lifting flat plate 6 on the corresponding side to lift upwards, when the vertical lifting cylinder 7 drives the lifting flat plate 6 to perform lifting action, the magnet of the upper rod 22 and the pillar 2 generate magnetic attraction, and the whole upper rod 22 and the whole lower rod 23 are attached to the surface of the pillar 2; rubber antiskid circle 11 offsets with the boats and ships lateral wall, boats and ships leave the surface of water, maintenance person detects treating the maintenance position of hull, through the vertical lift cylinder 7 in drive both sides, make both sides lift flat 6 form certain difference in height, guarantee as far as possible that the hull treats that the maintenance position is located two 6 intermediate positions of lift flat, it aerifys to filling gassing device 13 to filling gassing cavity 14, rubber antiskid circle 11 can offset with the face of lift flat 6, backing roll 10 stall, the action of oil jar 15 that ends, rubber pad 16 offsets with the boats and ships lateral wall.
During the maintenance, when needs cover elasticity dustproof cloth 19, rotatory lower beam 23, lower beam 23 pulls upper beam 22 through spring 24, magnet 24 in the upper beam 22 can produce magnetic force with the outside of boats and ships and adsorb, in addition, because boats and ships transverse width variation in size, be connected through spring 24 between upper beam 22 and the lower beam 23, spring 24 has certain flexible ability, whole movable rod 20 can adapt to the boats and ships of different size of a dimension, elasticity dustproof cloth 19 can cover the top of boats and ships, play dustproof effect.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (6)
1. The utility model provides a boats and ships maintenance specialized platform, includes two bases (1), and every base (1) top is connected with pillar (2), and the upper end of pillar (2) is provided with ceiling (3), has between two bases (1) to supply maintenance space (4) that boats and ships passed through, characterized by: each base (1) is provided with a lifting mechanism (5), each lifting mechanism (5) comprises a lifting flat plate (6) and a vertical lifting oil cylinder (7) arranged in each base (1), the end part of each vertical lifting oil cylinder (7) is connected to the lifting flat plate (6), one end plate edge of each lifting flat plate (6) extends into the maintenance space (4) and is a lifting end (8), a supporting seat (9) is arranged on the upper end face of each lifting end (8), and a supporting roll (10) is hinged to each supporting seat (9);
the rotating shaft core of the supporting roller (10) is vertical to the arrangement direction of the two bases (1);
the outer roller wall of the supporting roller (10) is sleeved with a plurality of rubber anti-slip rings (11);
the outer roll wall of the supporting roll (10) is provided with a plurality of annular grooves (12), the annular grooves (12) are arranged along the length direction of the roll core of the supporting roll (10), the rubber anti-skid rings (11) are sleeved in the annular grooves (12) one by one, and the outer ring of the rubber anti-skid ring (11) protrudes out of the notch of the annular groove (12);
the lifting flat plate (6) is also provided with an inflation and deflation device (13), the rubber anti-skid ring (11) is internally provided with an inflation and deflation cavity (14), and the inflation and deflation device (13) is butted with the inflation and deflation cavity (14);
when the air charging and discharging cavity (14) is full of air, the outer ring of the rubber anti-skid ring (11) is abutted against the surface of the lifting flat plate (6).
2. The special platform for ship maintenance according to claim 1, wherein: each lifting flat plate (6) is provided with a stop oil cylinder (15), the telescopic end of each stop oil cylinder (15) is provided with a rubber pad (16), and the rubber pads (16) are abutted against or separated from the side wall of the ship body under the drive of the stop oil cylinders (15).
3. The special platform for ship maintenance according to claim 1, wherein: the lifting platform is characterized in that a sliding groove (17) in the vertical direction is formed in the support column (2), a sliding end (18) extends from one side, away from the maintenance space (4), of the lifting flat plate (6), and the sliding end (18) is connected in the sliding groove (17) in a sliding mode.
4. The special platform for ship maintenance according to claim 3, wherein: still include elasticity dustproof cloth (19), it has movable rod (20) to articulate on end (18) slides, and elasticity dustproof cloth (19) both ends are connected respectively in movable rod (20) and are kept away from one of pin joint and serve.
5. The special platform for ship maintenance of claim 4, wherein: and a magnet (21) is arranged at the end part of the movable rod (20) departing from the hinge point.
6. The special platform for ship maintenance according to claim 5, wherein: the movable rod (20) is divided into an upper rod (22) and a lower rod (23), one end of the lower rod (23) is hinged to the end position of the lifting flat plate (6), the upper rod (22) is connected with the lower rod (23) through a spring (24), the magnet (21) is located in the upper rod (22), and the support column (2) is made of iron materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092469.7A CN109353446B (en) | 2018-09-19 | 2018-09-19 | Ship maintenance special platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092469.7A CN109353446B (en) | 2018-09-19 | 2018-09-19 | Ship maintenance special platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109353446A CN109353446A (en) | 2019-02-19 |
| CN109353446B true CN109353446B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811092469.7A Active CN109353446B (en) | 2018-09-19 | 2018-09-19 | Ship maintenance special platform |
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| CN (1) | CN109353446B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282075B (en) * | 2019-07-25 | 2020-06-09 | 福建宝中海洋工程股份有限公司 | Ship maintenance system |
| CN111098997A (en) * | 2019-12-30 | 2020-05-05 | 浙江友联修造船有限公司 | Intelligent maintenance equipment and maintenance process for ship |
| CN111762727B (en) * | 2020-05-25 | 2022-05-10 | 江苏科技大学 | Yacht pier lifting device |
| CN113415757B (en) * | 2021-08-23 | 2021-11-09 | 山东辛丁技术有限公司 | Ship lifting device |
| CN114684520B (en) * | 2022-03-21 | 2022-12-06 | 航瑞智能系统(深圳)有限公司 | High-frequency turnover automatic storage and taking three-dimensional warehouse system for maintenance spare parts of nuclear power station |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944633A (en) * | 1988-07-05 | 1990-07-31 | Jos. Dyson & Sons, Inc. | Boat support means |
| JPH03253491A (en) * | 1990-03-02 | 1991-11-12 | Nkk Corp | Storage frame device for leisure boat |
| DE202006002439U1 (en) * | 2006-02-16 | 2006-04-13 | Sanzenbacher, Fritz-Karl | Boat lifting system, and transporting and storage device consists of platform constructed on floating containers and equipped with run-up ramp, transporting wheels, four supports, at least eight rollers, and floor grid |
| CN204197243U (en) * | 2014-09-30 | 2015-03-11 | 浙江海洋学院 | A kind of maintenance of the vessel platform |
| CN105129670A (en) * | 2015-09-09 | 2015-12-09 | 南京晶云船舶配件有限公司 | Operation platform capable of going up and down for ship |
| CN106395696A (en) * | 2016-08-31 | 2017-02-15 | 安徽省无为县航运总公司新元船舶修造分公司 | Hydraulic type lifting device for ship maintenance |
| CN206623733U (en) * | 2017-02-15 | 2017-11-10 | 大连光明船舶工程有限公司 | Spitkit maintenance support equipment |
-
2018
- 2018-09-19 CN CN201811092469.7A patent/CN109353446B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944633A (en) * | 1988-07-05 | 1990-07-31 | Jos. Dyson & Sons, Inc. | Boat support means |
| JPH03253491A (en) * | 1990-03-02 | 1991-11-12 | Nkk Corp | Storage frame device for leisure boat |
| DE202006002439U1 (en) * | 2006-02-16 | 2006-04-13 | Sanzenbacher, Fritz-Karl | Boat lifting system, and transporting and storage device consists of platform constructed on floating containers and equipped with run-up ramp, transporting wheels, four supports, at least eight rollers, and floor grid |
| CN204197243U (en) * | 2014-09-30 | 2015-03-11 | 浙江海洋学院 | A kind of maintenance of the vessel platform |
| CN105129670A (en) * | 2015-09-09 | 2015-12-09 | 南京晶云船舶配件有限公司 | Operation platform capable of going up and down for ship |
| CN106395696A (en) * | 2016-08-31 | 2017-02-15 | 安徽省无为县航运总公司新元船舶修造分公司 | Hydraulic type lifting device for ship maintenance |
| CN206623733U (en) * | 2017-02-15 | 2017-11-10 | 大连光明船舶工程有限公司 | Spitkit maintenance support equipment |
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| Publication number | Publication date |
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| CN109353446A (en) | 2019-02-19 |
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