CN113636474A - Lifting device for boats and ships - Google Patents
Lifting device for boats and ships Download PDFInfo
- Publication number
- CN113636474A CN113636474A CN202111202159.8A CN202111202159A CN113636474A CN 113636474 A CN113636474 A CN 113636474A CN 202111202159 A CN202111202159 A CN 202111202159A CN 113636474 A CN113636474 A CN 113636474A
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- CN
- China
- Prior art keywords
- steel wire
- wire rope
- suspension arm
- fixing
- fixedly installed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/825—Bracing equipment acting in horizontal direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the technical field of taking off and landing of marine cargos and discloses a lifting device for a ship. Including base, davit bearing structure, davit structure, wire cable roll structure, goods anti-shake structure, be provided with davit bearing structure on the base, davit bearing structure's top is provided with the davit structure, and the one end of davit structure is provided with wire cable roll structure, and the other end of davit structure is provided with goods anti-shake structure. Through reducing and rocking the mechanism, reduce the mutual mating reaction between friction mechanism, steel wire cable monitoring mechanism, the steel wire cable fracture emergency treatment mechanism, reduced the influence of friction to the steel wire cable effectively, the phenomenon of rupture appears in the prevention steel wire cable, and the back that breaks appears in the steel wire cable simultaneously monitors effectively and makes emergency treatment, has protected the safety of people and the safety of goods well.
Description
Technical Field
The invention relates to the technical field of taking off and landing of marine cargos, in particular to a lifting device for a ship.
Background
The ship lifter is also called a crane, a marine crane and a marine crane, is a large deck machine on a ship, is equipment for loading and unloading cargos on the ship, is a loading and unloading equipment commonly used on the ship, solves the dependence on port unloading equipment by equipping the crane on the ship, and has the advantages of convenience, high efficiency and wide application range during hoisting. However, in the prior art, the hoisting safety of a crane needs to be further improved, for example, in the invention with the publication number of CN112110351A, the rotation of the tower body and the winding and unwinding of the steel wire rope can be controlled by the control unit, when the steel wire rope slips due to the overweight of goods loaded and unloaded by the hook, the steel wire rope drives the fixed pulley to rotate clockwise and rapidly, the protruding block slides in the groove on the rotating block, until the protruding block contacts with the rotating block, the protruding block drives the rotating block to rotate clockwise around the second rotating shaft, at this time, the first ratchet block and the second ratchet block are close to the ratchet wheel and are matched with the ratchet wheel on the ratchet wheel, so that the ratchet wheel cannot rotate continuously, the sliding of the steel wire rope is slowed down or even stopped, the probability of safety accidents is reduced, and the safety is improved.
When the marine crane is used for hoisting, the hoisted goods are often heavy goods, and the loss of the steel wire rope is serious, so the invention with the publication number of CN112110351A solves the problem of wire rope slipping, but has the following defects: 1. the wind speed on the sea is often larger, heavier goods can shake under the influence of the wind, the fixing of the goods is easy to loosen, and higher potential safety hazards exist; 2. when the goods are shaken, sliding friction is generated between the steel wire rope and the steel wire rope guide sheet, the steel wire rope is easy to damage due to the fact that the goods are heavy, and potential safety hazards of steel wire rope breakage exist; 3. when the steel wire cable breaks, current gram is hung and often lacks steel wire cable fracture emergency device, if someone in the below, the steel wire cable breaks suddenly and makes the people have no time to dodge, causes higher injury to the people. Therefore, the marine anti-shake crane device is disclosed to meet the safety requirement of the crane.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a lifting device for a ship, which has the advantages of reducing shaking, friction and steel wire rope breakage emergency treatment and the like, and solves the problems that goods shake, friction increases the damage of the steel wire rope, and the steel wire rope breakage does not have emergency treatment.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lifting device for boats and ships, includes base, davit bearing structure, davit structure, wire cable roll-up structure, goods anti-shake structure, be provided with davit bearing structure on the base, davit bearing structure is used for strutting arrangement, davit bearing structure's top is provided with davit structure, davit structure is used for hoisting and putting down the goods, the one end of davit structure is provided with wire cable roll-up structure, wire cable roll-up structure is used for receiving and releasing the wire cable, the other end of davit structure is provided with goods anti-shake structure for the wire cable in the control wire cable roll-up structure, in order to reduce to hang rocking of goods on the wire cable.
Preferably, the davit bearing structure includes the support column, support column fixed mounting be in the top surface of base, the top surface fixed mounting of support column has the fixed disk, the top surface bolt fastening of fixed disk has the gyration dish, the top surface movable mounting of gyration dish has the supporting seat, the equal fixed mounting in top surface both ends of supporting seat has the davit fixed block, fixed mounting has the davit axostylus axostyle on the lateral wall of davit fixed block, the davit axostylus axostyle is used for stop device.
Preferably, the inside of support column is provided with the motor, the fixed disk with the gyration dish with the top surface center of support column has all seted up square through hole, the square through hole of gyration dish with the square through hole of fixed disk communicates with each other, the square through hole of fixed disk with the inside of support column communicates with each other, the motor with the supporting seat passes through mechanical transmission structure and links to each other, makes the supporting seat can be driven by the motor, in order to control the supporting seat rotates.
Preferably, the boom structure comprises a main boom movably mounted on a side wall of the boom shaft lever, a movable boom movably mounted inside the main boom, one end of the movable boom being located outside the main boom, the other end of the movable boom being located inside the main boom, a hydraulic rod movable end block fixedly mounted below a side wall of the support seat, a boom rotating hydraulic rod fixedly mounted at one end of the hydraulic rod movable end block, a hydraulic rod fixed end block fixedly mounted at the bottom outside the main boom, a rotating block movably mounted at one end of the hydraulic rod fixed end block and capable of rotating around the hydraulic rod fixed end block, and one end of the rotating block fixedly mounted with a push rod of the boom rotating hydraulic rod so that the main boom can rotate around the boom shaft lever under the driving of the boom rotating hydraulic rod, the telescopic hydraulic lifting device is characterized in that a lifting arm hydraulic telescopic fixing base is fixedly mounted at one end of the outer top surface of the main lifting arm, a lifting arm telescopic hydraulic rod is fixedly mounted on the lifting arm hydraulic telescopic fixing base, the top surface of the movable lifting arm is far away from one end of the main lifting arm, a lifting arm hydraulic telescopic fixing top seat is fixedly mounted at one end of the main lifting arm, the lifting arm hydraulic telescopic fixing top seat is fixedly mounted with a pushing rod of the lifting arm telescopic hydraulic rod, the movable lifting arm is made to be telescopic through the driving of the lifting arm telescopic hydraulic rod, a steel wire rope guide sheet is fixedly mounted on one side wall of the movable lifting arm, guide grooves are formed in the side wall of the steel wire rope guide sheet, fixed support blocks are fixedly mounted at two ends of one side wall of the movable lifting arm, and the steel wire rope guide sheet is fixedly mounted to be stable.
Preferably, the steel wire rope rolling structure comprises a steel wire rope fixing bevel opening, two ends of the steel wire rope fixing bevel opening are both fixedly provided with a steel wire rope rolling fixing plate, the side wall of the steel wire rope rolling fixing plate is provided with a through hole, a steel wire rope rolling shaft is movably arranged in the through hole, one side wall outside the main suspension arm is fixedly provided with a steel wire rope rolling power transmission box, one end of the steel wire rope rolling power transmission box is fixedly arranged with the steel wire rope rolling fixing plate, the steel wire rope rolling power transmission box is communicated with the through hole, the steel wire rope rolling power transmission box is communicated with the inside of the main suspension arm, the inside of the steel wire rope rolling power transmission box is provided with a mechanical transmission structure, the inside of the main suspension arm is provided with a motor, and the motor is connected with the steel wire rope rolling shaft through the mechanical transmission structure in the steel wire rope rolling power transmission box, the steel wire rope coiling shaft can be driven by the motor to control the coiling and uncoiling of the steel wire rope.
Preferably, still contain in the goods anti-shake structure and reduce and rock the mechanism, reduce friction mechanism, the davit is structural to be provided with and to reduce and rock the mechanism, the davit is structural to be provided with and to reduce friction mechanism, it is right to reduce friction mechanism reduce rock the mechanism and carry on spacingly to control the steel wire cable with it takes place sliding friction to reduce to rock the mechanism.
Preferably, the sway reducing mechanism comprises an extension block, the extension block is fixedly mounted on the bottom surface of the movable suspension arm, a limiting ring is fixedly mounted on the bottom surface of the extension block, the limiting ring is of an annular structure, an inner ring of the limiting ring is opposite to the steel wire rope guide sheet, connecting blocks are fixedly mounted at corners of the bottom surface of the limiting ring, a limiting accommodating box is fixedly mounted on the bottom surface of each connecting block, a plurality of limiting holes are formed in the top surface and the bottom surface of each limiting accommodating box, a steel wire rope sling fixing end block is fixedly mounted on the bottom surface of the movable suspension arm, the steel wire rope sling fixing end block is opposite to the limiting ring, and a steel wire rope sling fixing hole is formed in one side of the steel wire rope sling fixing end block and used for fixing the head end of the steel wire rope;
the friction reducing mechanism comprises an anti-sliding friction fixing seat, the anti-sliding friction fixing seat is fixedly mounted on the main suspension arm, an idler wheel is movably mounted on the anti-sliding friction fixing seat, an annular groove is formed in the side wall of the idler wheel, a fixing plate is fixedly mounted on the top surface of the limiting ring, an anti-sliding friction limiting abutting block is fixedly mounted on one side of the fixing plate, an anti-sliding friction abutting opening is formed in one side of the anti-sliding friction limiting abutting block, and a steel wire rope is enabled to pass through the annular groove in the idler wheel and the anti-sliding friction limiting abutting block to be limited.
Preferably, the cargo anti-shaking structure further comprises a steel wire cable monitoring mechanism and a steel wire cable breakage emergency treatment mechanism, the suspension arm is structurally provided with the steel wire cable monitoring mechanism, the suspension arm is structurally provided with the steel wire cable breakage emergency treatment mechanism, and the steel wire cable breakage emergency treatment mechanism is used for treating a result monitored by the steel wire cable monitoring mechanism.
Preferably, the steel wire monitoring mechanism comprises a detection fixing seat, and a shaft penetrating type tension detector is fixedly mounted on the detection fixing seat and used for detecting the tension of the steel wire;
the steel wire rope fracture emergency treatment mechanism comprises a hydraulic cylinder, the hydraulic cylinder is fixedly installed in the limiting containing box, a sliding plate is fixedly installed on a push rod of the hydraulic cylinder, and a friction block is fixedly installed on the sliding plate and can be driven by the hydraulic cylinder to rub the steel wire rope.
(III) advantageous effects
Compared with the prior art, the invention provides a lifting device for a ship, which has the following beneficial effects:
1. according to the lifting device for the ship, the mutual cooperation among the shaking reducing mechanism, the friction reducing mechanism, the steel wire rope monitoring mechanism and the steel wire rope fracture emergency processing mechanism is reduced, so that the influence of friction on the steel wire rope is effectively reduced, the steel wire rope is prevented from being fractured, and meanwhile, after the steel wire rope is fractured, the steel wire rope is effectively monitored and subjected to emergency processing, so that the safety of people and the safety of goods are well protected;
2. according to the lifting device for the ship, when the steel wire rope is broken due to mutual friction with the steel wire rope guide sheet, the tensile force borne by the steel wire rope disappears, the shaft penetrating type tension detector changes from tension detection to tension non-detection, the steel wire rope is broken at the moment, the friction block is driven to move through the hydraulic cylinder, the steel wire rope in the limiting containing box is subjected to friction braking rapidly, the time for the goods to fall down is prolonged, sufficient reflection and flash-avoiding time is given to people below, and even the steel wire rope can be left in the limiting containing box, so that people and the goods are protected.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic plan view of the overall structure of the present invention;
FIG. 3 is a schematic view of a boom structure of the present invention;
FIG. 4 is a schematic view of a sway reduction mechanism of the present invention;
FIG. 5 is a schematic view of the friction reducing mechanism of the present invention;
FIG. 6 is a schematic view of a wire cable monitoring mechanism of the present invention;
fig. 7 is a schematic view of a wire breakage emergency handling mechanism according to the present invention.
In the figure: 1. a base; 2. a support pillar; 3. fixing the disc; 4. a rotary disk; 5. a supporting seat; 6. a suspension arm fixing block; 7. a boom shaft lever; 8. a main boom; 9. a movable suspension arm; 10. a hydraulic rod movable end block; 11. the suspension arm rotates the hydraulic rod; 12. the hydraulic rod fixes the end block; 13. rotating the block; 14. the suspension arm is hydraulically stretched and fixed with the base; 15. a boom telescopic hydraulic rod; 16. the suspension arm is hydraulically stretched to fix the footstock; 17. a wire rope guide plate; 18. a guide groove; 19. fixing the resisting block; 20. fixing the bevel opening by a steel wire rope; 21. the steel wire rope is wound on the fixed plate; 22. a wire rope winding shaft; 23. the steel wire rope is wound on the power transmission box; 24. an extension block; 25. a limiting ring; 26. connecting blocks; 27. a limiting containing box; 28. a limiting hole; 29. the steel wire cable hanger fixing end block; 30. a steel wire rope hanging object fixing hole; 31. the anti-sliding friction fixing seat; 32. a roller; 33. a fixing sheet; 34. the anti-sliding friction limiting abutting block; 35. the sliding friction resisting opening is prevented; 36. detecting the fixed seat; 37. a through-axis tension detector; 38. a hydraulic cylinder; 39. a sliding plate; 40. a friction block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background of the invention, the prior art has disadvantages, and in order to solve the above technical problems, the present application provides a lifting device for a ship
In a typical embodiment of the present application, as shown in fig. 1 to 7, a lifting device for a ship includes a base 1, a suspension arm support structure, a suspension arm structure, a wire rope rolling structure, and a cargo anti-shaking structure, wherein the suspension arm support structure is disposed on the base 1, the suspension arm support structure is used for supporting the lifting device, the suspension arm structure is disposed above the suspension arm support structure, the suspension arm structure is used for lifting and lowering a cargo, the wire rope rolling structure is disposed at one end of the suspension arm structure, the wire rope rolling structure is used for winding and unwinding a wire rope, and the cargo anti-shaking structure is disposed at the other end of the suspension arm structure, and is used for controlling the wire rope in the wire rope rolling structure to reduce the shaking of the cargo suspended on the wire rope.
Further, davit bearing structure includes support column 2, 2 fixed mounting of support column are at the top surface of base 1, and the top surface fixed mounting of support column 2 has fixed disk 3, and the top surface bolt fastening of fixed disk 3 has gyration dish 4, and the top surface movable mounting of gyration dish 4 has supporting seat 5, and the equal fixed mounting in top surface both ends of supporting seat 5 has davit fixed block 6, and fixed mounting has davit axostylus axostyle 7 on the lateral wall of davit fixed block 6, and davit axostylus axostyle 7 is used for stop device.
Further, the inside of support column 2 is provided with the motor, and square through hole has all been seted up at the top surface center of fixed disk 3 and gyration dish 4 and support column 2, and the square through hole of gyration dish 4 communicates with each other with the square through hole of fixed disk 3, and the square through hole of fixed disk 3 communicates with each other with the inside of support column 2, and the motor links to each other through mechanical transmission structure with supporting seat 5, makes supporting seat 5 can be driven by the motor to control supporting seat 5 and rotate.
Further, the boom structure comprises a main boom 8, the main boom 8 is movably mounted on the side wall of the boom shaft lever 7, a movable boom 9 is movably mounted inside the main boom 8, one end of the movable boom 9 is located outside the main boom 8, the other end of the movable boom 9 is located inside the main boom 8, a hydraulic rod movable end block 10 is fixedly mounted below one side wall of the support seat 5, one end of the hydraulic rod movable end block 10 is fixedly mounted with a boom rotating hydraulic rod 11, the outer bottom surface of the main boom 8 is fixedly mounted with a hydraulic rod fixed end block 12, one end of the hydraulic rod fixed end block 12 is movably mounted with a rotating block 13, the rotating block 13 can rotate around the hydraulic rod fixed end block 12, one end of the rotating block 13 is fixedly mounted with the push rod of the boom rotating hydraulic rod 11, the main boom 8 can rotate around the boom shaft lever 7 by the driving of the boom rotating hydraulic rod 11, one end of the outer top surface of the main boom 8 is fixedly mounted with a boom hydraulic telescopic fixing base 14, a boom hydraulic telescopic fixing base 14 is fixedly provided with a boom hydraulic telescopic hydraulic rod 15, one end of the top surface of the movable boom 9 far away from the main boom 8 is fixedly provided with a boom hydraulic telescopic fixing top seat 16, the boom hydraulic telescopic fixing top seat 16 is fixedly arranged with a push rod of the boom hydraulic telescopic hydraulic rod 15, so that the movable boom 9 can be driven by the boom hydraulic telescopic hydraulic rod 15 to be telescopic, one side wall of the movable boom 9 is fixedly provided with a steel wire cable guide sheet 17, the side wall of the steel wire cable guide sheet 17 is provided with a guide groove 18, both ends of one side wall of the movable boom 9 are fixedly provided with fixing abutting blocks 19, and the fixing abutting blocks 19 and the steel wire cable guide sheet 17 are fixedly arranged so as to stabilize the steel wire cable guide sheet 17.
Further, the wire rope rolling structure comprises a wire rope fixing bevel opening 20, both ends of the wire rope fixing bevel opening 20 are fixedly provided with a wire rope rolling fixing plate 21, the side wall of the wire rope rolling fixing plate 21 is provided with a through hole, a wire rope rolling shaft 22 is movably arranged in the through hole, one side wall of the outer part of the main suspension arm 8 is fixedly provided with a wire rope rolling power transmission box 23, one end of the wire rope rolling power transmission box 23 is fixedly arranged with the wire rope rolling fixing plate 21, the wire rope rolling power transmission box 23 is communicated with the through hole, the wire rope rolling power transmission box 23 is communicated with the inner part of the main suspension arm 8, the inner part of the wire rope rolling power transmission box 23 is provided with a mechanical transmission structure, the inner part of the main suspension arm 8 is provided with a motor, the motor is connected with the wire rope rolling shaft 22 through the mechanical transmission structure in the wire rope rolling power transmission box 23, so that the wire rope rolling shaft 22 can be driven by the motor, so as to control the winding and unwinding of the steel wire rope.
Further, still contain in the goods anti-shake structure and reduce and rock the mechanism, reduce friction mechanism, the davit is structural to be provided with and to reduce and rock the mechanism, and the davit is structural to be provided with and to reduce friction mechanism, and it is spacing to be used for carrying on reducing rocking mechanism to reduce friction mechanism to the control wire cable does not take place sliding friction with reducing rocking mechanism.
Further, the sway reducing mechanism comprises an extension block 24, the extension block 24 is fixedly installed on the bottom surface of the movable suspension arm 9, a limit ring 25 is fixedly installed on the bottom surface of the extension block 24, the limit ring 25 is of an annular structure, the inner ring of the limit ring 25 is opposite to the steel wire guide sheet 17, connecting blocks 26 are fixedly installed at corners of the bottom surface of the limit ring 25, a limit accommodating box 27 is fixedly installed on the bottom surface of the connecting blocks 26, a plurality of limit holes 28 are respectively formed in the top surface and the bottom surface of the limit accommodating box 27, a steel wire cable hanger fixing end block 29 is fixedly installed on the bottom surface of the movable suspension arm 9, the steel wire cable hanger fixing end block 29 is opposite to the limit ring 25, and a steel wire cable hanger fixing hole 30 is formed in one side of the steel wire cable hanger fixing end block 29 for fixing the head end of a steel wire cable; reduce friction mechanism and include anti-skidding friction fixing base 31, anti-skidding friction fixing base 31 fixed mounting is on main davit 8, movable mounting has gyro wheel 32 on the anti-skidding friction fixing base 31, the annular groove has been seted up on gyro wheel 32's the lateral wall, the top surface fixed mounting of spacing ring 25 has stationary blade 33, one side fixed mounting of stationary blade 33 has the spacing piece 34 of supporting of anti-skidding friction, anti-skidding friction is seted up to one side of the spacing piece 34 of supporting of anti-skidding friction and is supported mouthful 35, make the steel wire cable carry on spacingly with the spacing piece 34 of supporting of anti-skidding friction through the annular groove on gyro wheel 32.
Further, the cargo anti-shaking structure further comprises a steel wire cable monitoring mechanism and a steel wire cable breakage emergency processing mechanism, the suspension arm is structurally provided with the steel wire cable monitoring mechanism, the suspension arm is structurally provided with the steel wire cable breakage emergency processing mechanism, and the steel wire cable breakage emergency processing mechanism is used for processing a result monitored by the steel wire cable monitoring mechanism.
Further, the steel wire monitoring mechanism comprises a detection fixing seat 36, and a shaft penetrating type tension detector 37 is fixedly installed on the detection fixing seat 36 and used for detecting the tension of the steel wire; the steel wire breakage emergency processing mechanism comprises a hydraulic cylinder 38, the hydraulic cylinder 38 is fixedly installed in the limiting containing box 27, a sliding plate 39 is fixedly installed on a push rod of the hydraulic cylinder 38, and a friction block 40 is fixedly installed on the sliding plate 39, so that the friction block 40 can rub the steel wire under the driving of the hydraulic cylinder 38.
The working principle of the invention is as follows: one end of a steel wire rope is fixed on a steel wire rope rolling shaft 22, a motor is operated to drive the steel wire rope rolling shaft 22 to rotate, so that the steel wire rope is rolled on the steel wire rope rolling shaft 22, then the other end of the steel wire rope firstly passes through a detection hole of a shaft penetrating type tension detector 37 and then passes through the upper part of the inside of an annular groove of a roller 32, then the other end of the steel wire rope passes through the upper part of a suspension arm hydraulic telescopic fixing top seat 16 to enter a guide groove 18, passes through the inside of the guide groove 18, then the other end of the steel wire rope passes through an anti-sliding friction abutting port 35, then passes through a limiting hole 28 above one end and a limiting hole below the other end, then the steel wire rope is sleeved with a hoisting ring for hoisting goods, then the other end of the limiting accommodating box 27 passes through the limiting holes 28 below and above, and finally the other end of the steel wire rope is fixed in a steel wire rope hoisting object fixing hole 30.
When the crane hoists goods, the steel wire rope below the guide groove 18 and the hoisted goods form a simple pendulum structure, and the length of the steel wire rope falling is relatively reduced through the extension block 24, the limiting ring 25, the connecting block 26 and the limiting containing box 27, namely the cycloid length of the simple pendulum structure is reduced, so that the influence of sea wind on the goods is reduced; the position of the steel wire rope is limited through the roller 32, the fixing piece 33 and the anti-sliding friction limiting and abutting block 34, so that the steel wire rope and the steel wire rope guide piece 17 are prevented from greatly shaking, and the sliding friction generated between the steel wire rope and the steel wire rope guide piece 17 is reduced; when the steel wire rope is broken due to mutual friction with the steel wire rope guide piece 17, the tensile force applied to the steel wire rope disappears, namely the tensile force of the steel wire rope disappears, the shaft penetrating type tension detector 37 changes from the detected tensile force to the undetected tensile force, which indicates that the steel wire rope is broken at the moment, the hydraulic cylinder 38 is started, the hydraulic cylinder 38 drives the sliding plate 39 to move, the sliding plate 39 drives the friction block 40 to move, so that the steel wire rope still in the limiting containing box 27 is rapidly subjected to friction braking, the falling time of goods is increased, sufficient reflection and dodging time is provided for people below, and even the steel wire rope can be left in the limiting containing box 27, so that people and goods are protected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a marine elevating gear, includes base (1), davit bearing structure, davit structure, wire rope roll structure, goods anti-shake structure, its characterized in that:
the crane comprises a base (1), a crane body, a crane rope rolling structure, a crane rope supporting structure, a crane rope supporting device, a crane rope rolling structure, a crane rope anti-shake structure and a crane rope control device, wherein the crane arm supporting structure is arranged on the base (1) and used for supporting a device;
the cargo anti-shaking structure also comprises a shaking reducing mechanism and a friction reducing mechanism, the suspension arm structure is provided with the shaking reducing mechanism, the suspension arm structure is provided with the friction reducing mechanism, and the friction reducing mechanism is used for limiting the shaking reducing mechanism so as to control the steel wire rope not to generate sliding friction with the shaking reducing mechanism;
the shaking reducing mechanism comprises an extension block (24), the extension block (24) is fixedly installed on the bottom surface of the movable suspension arm (9), a limiting ring (25) is fixedly installed on the bottom surface of the extension block (24), the limiting ring (25) is of an annular structure, the inner ring of the limiting ring (25) is opposite to the steel wire rope guide sheet (17), connecting blocks (26) are fixedly installed at corners of the bottom surface of the limiting ring (25), a limiting containing box (27) is fixedly installed on the bottom surface of the connecting blocks (26), a plurality of limiting holes (28) are respectively formed in the top surface and the bottom surface of the limiting containing box (27), a steel wire rope hanger fixing end block (29) is fixedly installed on the bottom surface of the movable suspension arm (9), the steel wire rope hanger fixing end block (29) is opposite to the limiting ring (25), a steel wire rope hanger fixing hole (30) is formed in one side of the steel wire rope hanger fixing end block (29), for fixing the rope end of the steel wire rope;
the friction reducing mechanism comprises an anti-sliding friction fixing seat (31), the anti-sliding friction fixing seat (31) is fixedly installed on the main suspension arm (8), an idler wheel (32) is movably installed on the anti-sliding friction fixing seat (31), an annular groove is formed in the side wall of the idler wheel (32), a fixing plate (33) is fixedly installed on the top surface of the limiting ring (25), an anti-sliding friction limiting abutting block (34) is fixedly installed on one side of the fixing plate (33), an anti-sliding friction abutting port (35) is formed in one side of the anti-sliding friction limiting abutting block (34), and a steel wire rope is made to pass through the annular groove in the idler wheel (32) and the anti-sliding friction limiting abutting block (34) to be limited.
2. The marine elevating device according to claim 1, wherein:
the suspension arm supporting structure comprises a supporting column (2), the supporting column (2) is fixedly installed on the top surface of the base (1), a fixed disc (3) is fixedly installed on the top surface of the supporting column (2), a rotary disc (4) is fixed on the top surface of the fixed disc (3) through bolts, a supporting seat (5) is movably installed on the top surface of the rotary disc (4), suspension arm fixing blocks (6) are fixedly installed at two ends of the top surface of the supporting seat (5), a suspension arm shaft lever (7) is fixedly installed on the side wall of each suspension arm fixing block (6), and the suspension arm shaft lever (7) is used for a limiting device.
3. The lifting device for a ship according to claim 2, characterized in that:
the inside of support column (2) is provided with the motor, fixed disk (3) with gyration dish (4) with the square hole has all been seted up at the top surface center of support column (2), the square hole of gyration dish (4) with the square hole of fixed disk (3) communicates with each other, the square hole of fixed disk (3) with the inside of support column (2) communicates with each other, the motor with supporting seat (5) link to each other through mechanical transmission structure, make supporting seat (5) can be driven by the motor, in order to control supporting seat (5) rotate.
4. A lifting device for a ship according to claim 3, characterized in that:
the suspension arm structure comprises a main suspension arm (8), wherein the main suspension arm (8) is movably arranged on the side wall of a suspension arm shaft lever (7), a movable suspension arm (9) is movably arranged inside the main suspension arm (8), one end of the movable suspension arm (9) is positioned outside the main suspension arm (8), the other end of the movable suspension arm (9) is positioned inside the main suspension arm (8), a hydraulic rod movable end block (10) is fixedly arranged below one side wall of a supporting seat (5), one end of the hydraulic rod movable end block (10) is fixedly provided with a suspension arm rotating hydraulic rod (11), the outer bottom surface of the main suspension arm (8) is fixedly provided with a hydraulic rod fixed end block (12), one end of the hydraulic rod fixed end block (12) is movably provided with a rotating block (13), so that the rotating block (13) can rotate around the hydraulic rod fixed end block (12), one end of the rotating block (13) is fixedly installed with a push rod of the boom rotating hydraulic rod (11), so that the main boom (8) can rotate around the boom shaft lever (7) under the driving of the boom rotating hydraulic rod (11), one end of the external top surface of the main boom (8) is fixedly installed with a boom hydraulic telescopic fixing base (14), the boom hydraulic telescopic hydraulic rod (15) is fixedly installed on the boom hydraulic telescopic fixing base (14), one end of the top surface of the movable boom (9) far away from the main boom (8) is fixedly installed with a boom hydraulic telescopic fixing top seat (16), the boom hydraulic telescopic fixing top seat (16) is fixedly installed with the push rod of the boom telescopic hydraulic rod (15), so that the movable boom (9) can be telescopic under the driving of the boom telescopic hydraulic rod (15), one side wall of the movable boom (9) is fixedly installed with a steel wire guide sheet (17), the steel wire rope guide piece is characterized in that a guide groove (18) is formed in the side wall of the steel wire rope guide piece (17), fixed abutting blocks (19) are fixedly mounted at two ends of one side wall of the movable suspension arm (9), and the fixed abutting blocks (19) and the steel wire rope guide piece (17) are fixedly mounted so as to be used for stabilizing the steel wire rope guide piece (17).
5. The lifting device for a ship according to claim 4, characterized in that:
the steel wire rope rolling structure comprises a steel wire rope fixing inclined opening (20), steel wire rope rolling fixing plates (21) are fixedly mounted at two ends of the steel wire rope fixing inclined opening (20), through holes are formed in the side walls of the steel wire rope rolling fixing plates (21), a steel wire rope rolling shaft (22) is movably mounted in the through holes, a steel wire rope rolling power transmission box (23) is fixedly mounted on one side wall of the outer portion of the main suspension arm (8), one end of the steel wire rope rolling power transmission box (23) is fixedly mounted with the steel wire rope rolling fixing plates (21), the steel wire rope rolling power transmission box (23) is communicated with the through holes, the steel wire rope rolling power transmission box (23) is communicated with the inner portion of the main suspension arm (8), a mechanical transmission structure is arranged in the steel wire rope rolling power transmission box (23), and a motor is arranged in the main suspension arm (8), the motor is connected with the wire rope rolling shaft (22) through a mechanical transmission structure in the wire rope rolling power transmission box (23), so that the wire rope rolling shaft (22) can be driven by the motor to be used for controlling the winding and unwinding of the wire rope.
6. The lifting device for a ship according to claim 5, characterized in that:
cargo anti-shake structure still contains steel wire cable monitoring mechanism, steel wire cable fracture emergency treatment mechanism, the davit is structural to be provided with steel wire cable monitoring mechanism, the davit is structural to be provided with steel wire cable fracture emergency treatment mechanism, steel wire cable fracture emergency treatment mechanism is used for handling the result of steel wire cable monitoring mechanism monitoring.
7. The marine elevating device according to claim 6, wherein:
the steel wire monitoring mechanism comprises a detection fixing seat (36), wherein a shaft penetrating type tension detector (37) is fixedly installed on the detection fixing seat (36) and used for detecting the tension of the steel wire;
the steel wire rope breakage emergency processing mechanism comprises a hydraulic cylinder (38), the hydraulic cylinder (38) is fixedly installed in the limiting containing box (27), a sliding plate (39) is fixedly installed on a push rod of the hydraulic cylinder (38), and a friction block (40) is fixedly installed on the sliding plate (39), so that the friction block (40) can rub the steel wire rope under the driving of the hydraulic cylinder (38).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202159.8A CN113636474B (en) | 2021-10-15 | 2021-10-15 | Lifting device for boats and ships |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111202159.8A CN113636474B (en) | 2021-10-15 | 2021-10-15 | Lifting device for boats and ships |
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| CN113636474A true CN113636474A (en) | 2021-11-12 |
| CN113636474B CN113636474B (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111202159.8A Active CN113636474B (en) | 2021-10-15 | 2021-10-15 | Lifting device for boats and ships |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115258979A (en) * | 2022-05-11 | 2022-11-01 | 青岛黄海学院 | Ship lifting device based on image monitoring and method thereof |
| CN118062750A (en) * | 2024-04-25 | 2024-05-24 | 泰州市惠泽机械有限公司 | Lifting device of self-walking crane |
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| CN113247784A (en) * | 2021-03-29 | 2021-08-13 | 武汉船用机械有限责任公司 | Crane with a movable crane |
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| US4265579A (en) * | 1979-06-27 | 1981-05-05 | Dravo Corporation | Bulk material unloader |
| JP5642475B2 (en) * | 2010-09-27 | 2014-12-17 | 三菱重工業株式会社 | Observation crane |
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| CN115258979A (en) * | 2022-05-11 | 2022-11-01 | 青岛黄海学院 | Ship lifting device based on image monitoring and method thereof |
| CN118062750A (en) * | 2024-04-25 | 2024-05-24 | 泰州市惠泽机械有限公司 | Lifting device of self-walking crane |
| CN118062750B (en) * | 2024-04-25 | 2024-07-09 | 泰州市惠泽机械有限公司 | Lifting device of self-walking crane |
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|---|---|
| CN113636474B (en) | 2021-12-24 |
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