CN113562636B - Small-sized ship lifting frame used on ship - Google Patents
Small-sized ship lifting frame used on ship Download PDFInfo
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- CN113562636B CN113562636B CN202110847176.0A CN202110847176A CN113562636B CN 113562636 B CN113562636 B CN 113562636B CN 202110847176 A CN202110847176 A CN 202110847176A CN 113562636 B CN113562636 B CN 113562636B
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- pulley
- frame
- upper pulley
- lifting
- lifting rope
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- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 230000007246 mechanism Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/52—Floating cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
-
- 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
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the field of ships and discloses a small ship lifting frame used on the ships, which comprises a supporting body, a steering gear, a steering motor and a first gearbox, wherein an output shaft of the steering motor is provided with a driving disc, the first gearbox comprises a transmission shaft concentrically provided with a driven disc, a transmission gear meshed with the steering gear, a transmission belt wound on the driving disc and the driven disc, an inclined frame, a lifting rope, a lifting hook, a traction assembly and a pulley assembly, one end of the lifting rope is connected with the traction assembly, the middle part of the lifting rope is sequentially wound on the traction assembly, the pulley assembly is wound after passing through the inclined frame, the other end of the lifting rope is connected with the pulley assembly, and the lifting hook is arranged on the pulley assembly. According to the invention, the direction can be adjusted in the horizontal direction according to the use requirement, and meanwhile, the lifting rope, the lifting hook, the traction component and the pulley component are arranged, so that the height of the suspended small-sized ship can be continuously lowered until the suspended small-sized ship falls onto the water surface, the calling work of the small-sized ship is completed, the operation is simple and convenient, and the structural flexibility is high.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a small-sized ship lifting frame used on a ship.
Background
The ship has a long history of manufacturing, is an indispensable tool for water transportation, and is a ship with various sizes along with development of shipbuilding technology and diversified needs of people for the ship, and the ship has the advantages of huge size, complete equipment, complete functions, capacity of being used for transporting goods, or being capable of carrying more passengers or providing living space for the passengers, and sailing ships, fishing ships, life boats and the like with smaller sizes and less number of passengers. In general, in the cargo ship or pleasure boat with huge body size, the ship body is provided with several layers, the distance from the ship body to the water surface is larger, when the ship body is overhauled, life-saving or other working uses, the ship body is usually provided with a corresponding number of working ships, life-saving ships or life boats with smaller body sizes, when the ship body is required to be used, the ship body with smaller body size is called from the ship body with larger distance from the water surface to the water surface, and the corresponding working is completed by utilizing the advantage of higher flexibility of the ship with smaller body size.
Disclosure of Invention
The invention aims to provide a small ship lifting frame used on a ship, which can conveniently call a small ship arranged on the ship.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a small-size ship that uses on boats and ships plays to rise to put up, including set up in support body, rotation on a hull set up in steering gear at support body top, be located steering motor and first gearbox of support body lateral part, steering motor's output shaft is provided with the driving disk with one heart, first gearbox include the transmission shaft that is provided with the driven plate with steering gear engaged with transmission gear with one heart, transmission gear's diameter is less than steering gear's diameter, the transmission shaft is used for the drive transmission gear rotates, still includes the drive belt, the drive belt around locating the driving disk with the driven plate, still include slant frame, lifting hook, to the lifting rope provides traction assembly and with the pulley assembly that the slant frame top links to each other, the slant frame slope set up in steering gear's top, lifting rope one end connect in traction assembly to in proper order around rolling up in behind the slant frame, around rolling up in pulley assembly, the other end connect in pulley assembly, the lifting hook sets up in pulley assembly bottom.
According to the technical scheme, the steering motor is started to drive the driving disc to rotate, the driving belt is linked to drive the driven disc to rotate, the transmission shaft rotates, the transmission gear rotates, the steering gear meshed with the transmission gear rotates to drive the inclined frame to rotate through the transmission and speed change functions of the first gearbox, the position of the lifting hook in the horizontal direction changes, and the position of the small ship suspended on the lifting hook in the horizontal direction correspondingly changes; the lifting rope is coiled or paid out through the traction component, the length of the lifting rope coiled on the pulley component is correspondingly changed, the position (namely the height) of the lifting hook in the vertical direction is changed, the height of the small ship hung on the lifting hook is changed, in actual use, the lifting rope is gradually paid out through the traction component, the height of the small ship is gradually lowered until the lifting rope falls onto the water surface, and the whole lifting process is completed. The steering motor, the steering gear, the transmission gear and other series of mechanisms for steering are arranged, the direction can be adjusted in the horizontal direction according to the use requirement, and meanwhile, the lifting rope, the lifting hook, the traction assembly and the pulley assembly are arranged, so that the height of the suspended small ship can be continuously lowered until the suspended small ship falls onto the water surface, the calling work of the small ship is completed, the operation is simple and convenient, and the structural flexibility is high.
It should be understood that the internal structure and the working principle of the first gearbox, and the principle and mode of the transmission shaft driving the transmission gear to rotate and controlling the rotation speed thereof through the internal structure of the first gearbox are common prior art, and will not be described in detail herein.
The invention is further provided with: the traction assembly comprises a traction motor, a second gearbox and a winding column for winding the lifting rope, wherein the traction motor is used for driving the second gearbox, the second gearbox is used for driving the winding column to rotate, the lifting rope is connected with the winding column, and the traction assembly further comprises a braking structure for enabling an output shaft of the traction motor to stop rotating.
By the technical scheme, the traction motor is started to drive the second gearbox, the second gearbox drives the winding column to rotate, the lifting rope is correspondingly wound or paid out, and the height of the small ship suspended on the lifting hook is correspondingly changed; the power supply is turned off, the output shaft of the traction motor is stopped after continuously rotating for a period of time under the action of inertia under the condition of turning off the power supply, the second gearbox is continuously driven in the period of time, the winding column is driven to rotate, the lifting rope is correspondingly continuously released or wound for a certain length, the situation occurs, the power supply is turned off, the winding and the unwinding of the lifting rope cannot be immediately controlled, the using effect is affected, the output shaft of the traction motor can be immediately stopped by the braking mechanism, the situation can be avoided, and the lifting rope is stopped to be released or wound when the power supply is turned off. The traction motor, the second gearbox and the winding column are arranged, traction force can be provided for the lifting rope, the winding or the paying-off of the lifting rope is controlled, the height of the small ship suspended on the lifting hook is controlled, and meanwhile, the braking structure is arranged, so that the defect that the lifting rope cannot be immediately stopped to pay-off or wind up due to inertia of an output shaft of the traction motor when a power supply is closed is overcome, and the height of the small ship is fixed when the power supply is closed.
It should be understood that the braking structure may be an electromagnetic brake (including an electromagnet, an inner card, an outer card, a friction wheel concentrically arranged with an output shaft of a traction motor, two friction plates, a U-shaped ring, a return spring, and other structures) sold in the market, when the power supply is turned off, the electromagnet is non-magnetic, the inner card of the outer card attracts the magnetic force of the inner card, the inner card drives the U-shaped ring to control the return spring to tighten, and then the two friction plates are linked to clamp the friction wheel to stop rotating the output shaft of the traction motor, and when the power supply is turned on, the two friction plates spring to open to not influence the rotation of the output shaft of the traction motor).
The invention is further provided with: the pulley assembly comprises a first pulley frame, a second pulley frame, a first upper pulley, a second upper pulley, a third upper pulley, a first lower pulley and a second lower pulley, wherein the first pulley frame, the second pulley frame and the top end of the inclined frame are connected, the projection of the first pulley frame, the second pulley frame and the inclined frame in the vertical direction is Y-shaped, the first upper pulley and the first pulley frame are far away from the bottom of one end of the inclined frame and are connected, the second upper pulley and the second pulley frame are far away from the bottom of one end of the inclined frame and are connected, the third upper pulley is arranged on the inclined frame, the first lower pulley and the second lower pulley are all positioned below the first upper pulley, the second upper pulley and the third upper pulley, a connecting piece is arranged between the first lower pulley and the second lower pulley, the lifting hook is connected to the bottom of the connecting piece, and the lifting rope is sequentially wound on the third upper pulley, the first lower pulley, the second upper pulley and the second lower pulley are connected to the top of the connecting piece.
Through the technical scheme, the lifting ropes wound around the upper pulleys and the lower pulleys form the inverted cone with the triangular top surface in space, after the lifting hook is hung on a small ship, when the weather is severe, such as wind is large and the fluctuation of the water surface is large, the lifting ropes with the triangular top surface formed in space are mutually held, the swing amplitude is reduced, so that the swing of the small ship during lifting is reduced, and the use safety is improved.
The invention is further provided with: the central line of the projection of the first upper pulley, the second upper pulley and the third upper pulley in the vertical direction is an equilateral triangle, and the plane where the side part of the first upper pulley is located, the plane where the side part of the second upper pulley is located and the plane where the side part of the third upper pulley is located are 120 degrees each other.
Through the technical scheme, the lifting rope wound by the pulleys is in a reverse taper shape with the top surface being in an equilateral triangle shape in space, so that the lifting rope can shake when being lifted by a small-sized ship, and the use safety is further improved.
The invention is further provided with: the included angle between the plane of the first lower pulley side part and the plane of the third upper pulley side part is equal to the included angle between the plane of the first upper pulley side part and the plane of the second lower pulley side part is equal to the included angle between the plane of the first upper pulley side part and the plane of the second upper pulley side part.
Through the technical scheme, the torsion angles of the lifting rope at the pulleys are consistent, and the phenomenon that the paying-off or winding of the lifting rope is influenced due to overlarge torsion angle at a certain position is avoided, so that the lifting rope can be stably wound on the pulleys.
The invention is further provided with: the oblique frame comprises a rectangular frame and a reinforcing frame arranged in the rectangular frame, two support plates with opposite positions are vertically arranged at the top of the rectangular frame, a cover plate is arranged at the top of each support plate, the third upper pulley comprises two limiting plates arranged at the bottom of the cover plate and a winding disc arranged between the two limiting plates in a rotating mode, the two limiting plates are located between the support plates, and the lifting rope is wound on the winding disc.
According to the technical scheme, the lifting rope led out by the traction assembly is wound on the winding disc, and the lifting rope is separated from the inclined frame by a certain distance, so that sliding friction is avoided, a limiting space is formed by the two limiting plates and the cover plate, the lifting rope passes through the limiting space, and the lifting rope is stably wound on the winding disc.
The invention is further provided with: still include the fixed column, the fixed column with steering gear's top links to each other, the slant frame with steering gear's top articulates mutually, still includes length adjustable fixed rope, the both ends of fixed rope respectively with the top of slant frame with the top of fixed column links to each other, the lateral part at the top of fixed column with the hull links to each other.
Through foretell technical scheme, because slant frame length is longer, the slant frame of slope is great to steering gear and the pressure that the supporter applyed and serious outside in one side, and set up fixed column, fixed rope, fixed column, fixed rope and slant frame have formed triangle-shaped structure in vertical direction, and the lateral part on the top of fixed column links to each other with the hull, and the structure is more firm, and through the length of adjusting fixed rope, the inclination of adjustable slant frame, and the flexibility of use is further improved.
Compared with the prior art, the invention has the beneficial effects that:
1. a series of mechanisms such as a steering motor, a steering gear and a transmission gear for steering are arranged, the direction can be adjusted in the horizontal direction according to the use requirement, and meanwhile, a lifting rope, a lifting hook, a traction assembly and a pulley assembly are arranged, so that the height of the suspended small ship can be continuously lowered until the suspended small ship falls onto the water surface, the calling work of the small ship is completed, the operation is simple and convenient, and the structural flexibility is high;
2. the traction motor, the second gearbox and the winding column are arranged, so that traction force can be provided for the lifting rope, the winding or unwinding of the lifting rope is controlled, the height of the small ship suspended on the lifting hook is controlled, and meanwhile, the braking structure is arranged, so that the defect that the lifting rope cannot be immediately stopped to be unwound or wound due to inertia of an output shaft of the traction motor when a power supply is closed is overcome, and the height of the small ship is fixed when the power supply is closed;
3. the pulley assembly is provided with a first pulley yoke, a second pulley yoke, a first upper pulley, a first lower pulley and a second lower pulley, the lifting ropes wound around the upper pulleys and the lower pulleys form an inverted cone with triangular top surfaces in space, after the lifting hook is hung on a small-sized ship, when the weather is severe, such as wind is large, the water surface fluctuation is large, the lifting ropes forming the inverted cone with triangular top surfaces in space are mutually held down, the swing amplitude is reduced, so that the swing of the small-sized ship is reduced, and the use safety is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic diagram of a partial structure of an embodiment of the present invention;
FIG. 4 is a schematic diagram of a portion of a second embodiment of the present invention;
fig. 5 is an enlarged view at a in fig. 4.
In the figure, 1, a support; 2. a steering gear; 3. a steering motor; 4. a first gearbox; 5. a driving disk; 6. a driven plate; 7. a transmission shaft; 8. a transmission gear; 9. a transmission belt; 10. an oblique frame; 10a, rectangular frame; 10b, a reinforcing frame; 11. a hanging rope; 12. a lifting hook; 13. a traction assembly; 13a, traction motor; 13b, a second gearbox; 13c, winding the winding column; 14. a pulley assembly; 14a, a first pulley frame; 14b, a second pulley frame; 14c, a first upper pulley; 14d, a second upper pulley; 14e, a third upper pulley; 14e1, a limiting plate; 14e2, winding the coil; 14f, a first lower pulley; 14g, a second lower pulley; 15. a braking structure; 16. a connecting piece; 17. a support plate; 18. a cover plate; 19. fixing the column; 20. and fixing the rope.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The invention provides a small ship lifting frame used on a ship, which is shown in figures 1 to 5 and comprises a supporting body 1, a steering gear 2, a steering motor 3 and a first gearbox 4, wherein the steering gear 2 is arranged on the top of the supporting body 1, the steering motor 3 is arranged on the side part of the supporting body 1 in a rotating way, the driving disc 5 is concentrically arranged on an output shaft of the steering motor 3, the first gearbox 4 comprises a transmission shaft 7 and a transmission gear 8, the transmission shaft 7 is concentrically provided with a driven disc 6, the transmission gear 8 is meshed with the steering gear 2, the diameter of the transmission gear 8 is smaller than that of the steering gear 2, the transmission shaft 7 is used for driving the transmission gear 8 to rotate, the transmission belt 9 is wound on the driving disc 5 and the driven disc 6, the transmission belt 9 also comprises an inclined frame 10, a lifting hook 12, a traction component 13 and a pulley component 14, the traction component 13 is connected with the top of the inclined frame 10, the inclined frame 10 is obliquely arranged on the top of the steering gear 2, the lifting hook 11 is connected with one end of the traction component 13, and the pulley component 14 is sequentially wound on the other end of the traction component 14, and the pulley component 14 is sequentially wound on the pulley component 14.
The working process comprises the following steps: starting a steering motor 3 to drive a driving disc 5 to rotate, linking a driving belt 9 to drive a driven disc 6 to rotate, and driving a transmission shaft 7 to rotate, wherein through the transmission and speed change functions of a first gearbox 4, a transmission gear 8 rotates, a steering gear 2 meshed with the transmission gear 8 rotates to drive an inclined frame 10 to rotate, so that the position of a lifting hook 12 in the horizontal direction is changed, and a small ship is hung on the lifting hook 12, so that the position of the small ship in the horizontal direction is correspondingly changed; the lifting rope 11 is wound or paid out through the traction component 13, the length of the lifting rope 11 wound on the pulley component 14 is correspondingly changed, the position (namely the height) of the lifting hook 12 in the vertical direction is changed, the height of the small ship hung on the lifting hook 12 is changed, in actual use, the lifting rope 11 can be gradually paid out through the traction component 13, the height of the small ship is gradually lowered until the small ship falls onto the water surface, and the whole lifting process is completed. The steering motor 3, the steering gear 2, the transmission gear 8 and other series of mechanisms for steering are arranged, the direction can be adjusted in the horizontal direction according to the use requirement, meanwhile, the lifting rope 11, the lifting hook 12, the traction component 13 and the pulley component 14 are arranged, the height of the suspended small ship can be continuously lowered until the suspended small ship falls onto the water surface, the calling work of the small ship is completed, the operation is simple and convenient, and the structural flexibility is high.
It should be understood that the internal structure and the working principle of the first gearbox 4, and the principle and the manner of driving the transmission gear 8 to rotate and controlling the rotation speed of the transmission shaft 7 through the internal structure of the first gearbox 4 are common prior art, and will not be described in detail herein.
Referring to fig. 3, the traction assembly 13 includes a traction motor 13a, a second gearbox 13b, a winding column 13c for winding the lifting rope 11, the traction motor 13a is used for driving the second gearbox 13b, the second gearbox 13b is used for driving the winding column 13c to rotate, the lifting rope 11 is connected with the winding column 13c, a braking structure 15 for stopping the rotation of an output shaft of the traction motor 13a is further included, the traction motor 13a is started, the second gearbox 13b is driven, the second gearbox 13b drives the winding column 13c to rotate, accordingly, the winding or paying-out operation is performed on the lifting rope 11, and accordingly, the height of the small-sized ship suspended on the lifting hook 12 is changed; when the power supply is turned off, the output shaft of the traction motor 13a is stopped after continuously rotating for a period of time under the action of inertia, the second gearbox 13b is continuously driven in the period of time, the winding column 13c is driven to rotate, the lifting rope 11 is correspondingly continuously released or wound for a certain length, the power supply is turned off, the releasing and releasing of the lifting rope 11 cannot be immediately controlled, the using effect is affected, the output shaft of the traction motor 13a is immediately stopped by the braking mechanism, the occurrence of the conditions can be avoided, and the lifting rope 11 is stopped to be released or wound when the power supply is turned off. Wherein, set up traction motor 13a, second gearbox 13b and around rolling post 13c, can provide traction force to lifting rope 11 to through the winding or the play of control lifting rope 11, control the height of the small-size ship that hangs on lifting hook 12, set up braking structure 15 simultaneously, overcome when the power is closed the output shaft of traction motor 13a and have inertia to cause lifting rope 11 unable to stop immediately to pay out or wind the defect of rolling up, thereby guarantee that the power is closed and then the height of small-size ship is fixed.
It should be understood that the brake structure 15 may be a magnetic field brake disc sold in the market, which is a common prior art, and the internal structure, working principle and working manner of the second gearbox 13b are existing technical means, which are not described herein in detail.
Referring to fig. 2, the pulley assembly 14 includes a first pulley frame 14a, a second pulley frame 14b, a first upper pulley 14c, a second upper pulley 14d, a third upper pulley 14e, a first lower pulley 14f, and a second lower pulley 14g, the first pulley frame 14a, the second pulley frame 14b are connected to the top end of the diagonal frame 10, the projections of the first pulley frame 14a, the second pulley frame 14b, and the diagonal frame 10 in the vertical direction are Y-shaped, the first upper pulley 14c is connected to the bottom of the first pulley frame 14a away from one end of the diagonal frame 10, the second upper pulley 14d is connected to the bottom of the second pulley frame 14b away from one end of the diagonal frame 10, the third upper pulley 14e is disposed on the diagonal frame 10, the first lower pulley 14f, the second lower pulley 14g is disposed on the upper pulley 14c, the second upper pulley 14d, and the third upper pulley 14e, the connecting piece 16 is arranged between the first lower pulley 14f and the second lower pulley 14g, the lifting hook 12 is connected to the bottom of the connecting piece 16, the lifting rope 11 is sequentially wound on the third upper pulley 14e, the first lower pulley 14f, the first upper pulley 14c, the second lower pulley 14g and the second upper pulley 14d, and then is connected with the top of the connecting piece 16, the lifting rope 11 wound on each upper pulley and each lower pulley forms an inverted cone with a triangular top surface in space, after the lifting hook 12 is hung on a small ship, when the weather is severe, such as wind is large and the water surface fluctuation is large, the lifting ropes 11 with triangular top surfaces in space are mutually restrained, the swing amplitude is reduced, so that swing during lifting of the small ship is reduced, and the use safety is improved.
Referring to fig. 2, the central lines of the projections of the first upper pulley 14c, the second upper pulley 14d and the third upper pulley 14e in the vertical direction are equilateral triangles, the plane on which the side portion of the first upper pulley 14c is located, the plane on which the side portion of the second upper pulley 14d is located and the plane on which the side portion of the third upper pulley 14e is located are 120 ° each other, and the structure formed by the hoist rope 11 wound by the above pulleys in space is an inverted cone with the top surface of the equilateral triangle, which can further shake when the small-sized ship is lifted, thereby further improving the use safety.
Referring to fig. 2, the angle between the plane of the side portion of the first lower pulley 14f and the plane of the side portion of the third upper pulley 14e is equal to the angle between the plane of the side portion of the first upper pulley 14c, and the angle between the plane of the side portion of the second lower pulley 14g and the plane of the side portion of the first upper pulley 14c is equal to the angle between the plane of the side portion of the second upper pulley 14d, so that the torsion angle of the lifting rope 11 at each pulley is relatively consistent, and the phenomenon that the paying-off or winding of the lifting rope 11 is affected is avoided, thereby enabling the lifting rope 11 to be stably wound around each pulley.
Referring to fig. 5, the diagonal frame 10 includes a rectangular frame 10a and a reinforcing frame 10b disposed inside the rectangular frame 10a, two support plates 17 are vertically disposed at the top of the rectangular frame 10a and are opposite to each other, a cover plate 18 is disposed at the top of the two support plates 17, the third upper pulley 14e includes two limiting plates 14e1 disposed at the bottom of the cover plate 18 and a winding disc 14e2 rotatably disposed between the two limiting plates 14e1, the two limiting plates 14e1 are disposed between the support plates 17, the lifting rope 11 is wound around the winding disc 14e2, the lifting rope 11 drawn from the traction assembly 13 is wound around the winding disc 14e2, and the lifting rope 11 is separated from the diagonal frame 10 by a distance, so that sliding friction is avoided, the two limiting plates 14e1 and the cover plate 18 form a limiting space, and the lifting rope 11 is stably wound around the winding disc 14e2 from the limiting space.
Referring to fig. 1, the steering device further comprises a fixing column 19, the fixing column 19 is connected with the top of the steering gear 2, the inclined frame 10 is hinged with the top of the steering gear 2, the steering device further comprises a fixing rope 20 with adjustable length, two ends of the fixing rope 20 are respectively connected with the top end of the inclined frame 10 and the top end of the fixing column 19, the side part of the top end of the fixing column 19 is connected with the ship body, the inclined frame 10 applies larger pressure to the steering gear 2 and the supporting body 1 and is severely outwards biased to one side due to the longer length of the inclined frame 10, a triangular structure is formed by the fixing column 19, the fixing rope 20 and the inclined frame 10 in the vertical direction, the side part of the top end of the fixing column 19 is connected with the ship body, the structure is more stable, and the inclination angle of the inclined frame 10 can be adjusted by adjusting the length of the fixing rope 20, so that the use flexibility is further improved.
The above description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (5)
1. A small-size ship that uses on boats and ships plays to rise to put up, its characterized in that: including set up support body (1) on a hull, rotate set up in steering gear (2) at support body (1) top, be located steering motor (3) and first gearbox (4) of support body (1) lateral part, the output shaft of steering motor (3) is provided with initiative dish (5) with one heart, first gearbox (4) including concentric transmission shaft (7) that are provided with driven dish (6) and with steering gear (2) engaged with drive gear (8), the diameter of drive gear (8) is less than the diameter of steering gear (2), transmission shaft (7) are used for the drive gear (8) rotate, still include drive belt (9), drive belt (9) are located around locating initiative dish (5) with driven dish (6), still include slant frame (10), lifting hook (11), lifting hook (12), to traction assembly (13) that lifting hook (11) provided and with slant frame (10) top link to pulley assembly (14), slant frame (10) set up diameter of drive gear (8) are less than steering assembly (13), still include drive belt (9) around locating around slant frame (11) traction assembly (13) in proper order, traction assembly (13) The lifting hook (12) is arranged at the bottom of the pulley assembly (14); the traction assembly (13) comprises a traction motor (13 a), a second gearbox (13 b) and a winding column (13 c) for winding the lifting rope (11), the traction motor (13 a) is used for driving the second gearbox (13 b), the second gearbox (13 b) is used for driving the winding column (13 c) to rotate, the lifting rope (11) is connected with the winding column (13 c), and the traction assembly further comprises a braking structure (15) for stopping rotation of an output shaft of the traction motor (13 a); the pulley assembly (14) comprises a first pulley frame (14 a), a second pulley frame (14 b), a first upper pulley (14 c), a second upper pulley (14 d), a third upper pulley (14 e), a first lower pulley (14 f) and a second lower pulley (14 g), wherein the first pulley frame (14 a), the second pulley frame (14 b) and the top end of the inclined frame (10) are connected, the projection of the first pulley frame (14 a), the second pulley frame (14 b) and the inclined frame (10) in the vertical direction is Y-shaped, the first upper pulley (14 c) and the first pulley frame (14 a) are far away from the bottom of one end of the inclined frame (10), the second upper pulley (14 d) and the bottom of one end of the second pulley frame (14 b) are far away from the inclined frame (10), the third upper pulley (14 e) is arranged on the inclined frame (10), the first lower pulley (14 f), the second lower pulley (14 b) and the second pulley (14 g) are arranged on the upper pulley (14 e) and the bottom of one end of the inclined frame (10), the second upper pulley (14 c) is connected with the third upper pulley (14 e) in turn, the second pulley (14 c) is connected with the third pulley (14 e) and the third pulley (14 e) is arranged on the bottom of one end of the inclined frame (10), and the second pulley (14 e) is connected with the upper pulley (14 e) in turn, the upper pulley (14 c) and the upper pulley (14 g) is connected in turn The first lower pulley (14 f), the first upper pulley (14 c), the second lower pulley (14 g) and the second upper pulley (14 d) are connected with the top of the connecting piece (16), and the lifting rope (11) wound around the upper pulley and the lower pulley forms an inverted cone with a triangular top surface in space.
2. A small-sized marine riser for use on a vessel according to claim 1, wherein: the central connecting lines of the projections of the first upper pulley (14 c), the second upper pulley (14 d) and the third upper pulley (14 e) in the vertical direction are equilateral triangles, and the plane of the side part of the first upper pulley (14 c), the plane of the side part of the second upper pulley (14 d) and the plane of the side part of the third upper pulley (14 e) are 120 degrees.
3. A small-sized marine riser for use on a vessel according to claim 2, wherein: the included angle between the plane of the side part of the first lower pulley (14 f) and the plane of the side part of the third upper pulley (14 e) is equal to the included angle between the plane of the side part of the first upper pulley (14 c), and the included angle between the plane of the side part of the second lower pulley (14 g) and the plane of the side part of the first upper pulley (14 c) is equal to the included angle between the plane of the side part of the second upper pulley (14 d).
4. A small-sized marine riser for use on a vessel according to claim 1, wherein: the oblique frame (10) comprises a rectangular frame (10 a) and a reinforcing frame (10 b) arranged in the rectangular frame (10 a), two support plates (17) opposite in position are vertically arranged at the top of the rectangular frame (10 a), cover plates (18) are arranged at the tops of the support plates (17), the third upper pulley (14 e) comprises two limiting plates (14 e 1) opposite to the bottoms of the cover plates (18) and a winding disc (14 e 2) rotatably arranged between the two limiting plates (14 e 1), the two limiting plates (14 e 1) are positioned between the support plates (17), and the lifting rope (11) winds around the winding disc (14 e 2).
5. A small-sized marine riser for use on a vessel according to claim 1, wherein: still include fixed column (19), fixed column (19) with the top of steering gear (2) links to each other, slant frame (10) with the top of steering gear (2) articulates mutually, still includes length adjustable fixed rope (20), the both ends of fixed rope (20) respectively with the top of slant frame (10) with the top of fixed column (19) links to each other, the lateral part on the top of fixed column (19) with the hull links to each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847176.0A CN113562636B (en) | 2021-07-27 | 2021-07-27 | Small-sized ship lifting frame used on ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847176.0A CN113562636B (en) | 2021-07-27 | 2021-07-27 | Small-sized ship lifting frame used on ship |
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| CN113562636A CN113562636A (en) | 2021-10-29 |
| CN113562636B true CN113562636B (en) | 2023-11-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4949854A (en) * | 1988-12-09 | 1990-08-21 | Harnischfeger Corporation | Anti-sway crane reeving apparatus |
| CN104649120A (en) * | 2015-01-30 | 2015-05-27 | 芜湖合建路桥机械有限公司 | Balance hoisting equipment |
| CN110407107A (en) * | 2019-06-25 | 2019-11-05 | 上海海事大学 | A kind of omnidirectional precisely allocates and transports crane |
| CN210419009U (en) * | 2019-06-12 | 2020-04-28 | 无锡市华海船用设备有限公司 | Boom raft hanger machine for ship |
| WO2020182592A1 (en) * | 2019-03-08 | 2020-09-17 | Liebherr-Werk Biberach Gmbh | Crane and device for controlling same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU91026B1 (en) * | 2003-06-13 | 2004-12-14 | Secalt | System for lifting and stabilizing a suspended load support. |
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2021
- 2021-07-27 CN CN202110847176.0A patent/CN113562636B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4949854A (en) * | 1988-12-09 | 1990-08-21 | Harnischfeger Corporation | Anti-sway crane reeving apparatus |
| CN104649120A (en) * | 2015-01-30 | 2015-05-27 | 芜湖合建路桥机械有限公司 | Balance hoisting equipment |
| WO2020182592A1 (en) * | 2019-03-08 | 2020-09-17 | Liebherr-Werk Biberach Gmbh | Crane and device for controlling same |
| CN210419009U (en) * | 2019-06-12 | 2020-04-28 | 无锡市华海船用设备有限公司 | Boom raft hanger machine for ship |
| CN110407107A (en) * | 2019-06-25 | 2019-11-05 | 上海海事大学 | A kind of omnidirectional precisely allocates and transports crane |
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|---|---|
| CN113562636A (en) | 2021-10-29 |
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