CN115504362B

CN115504362B - Universal lifting equipment for fishing shallow sea ships

Info

Publication number: CN115504362B
Application number: CN202211459089.9A
Authority: CN
Inventors: 王悠; 李媛媛; 张亚亚
Original assignee: Ocean University of China
Current assignee: Ocean University of China
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-10
Anticipated expiration: 2042-11-18
Also published as: CN115504362A

Abstract

The invention relates to the technical field of salvage equipment, in particular to universal lifting equipment for salvaging shallow sea ships, which comprises a double-strand steel rope and a winch wound with the steel rope, wherein one end of the steel rope is respectively fastened with a fixed disc and a ship lifting mechanism, the ship lifting mechanism comprises a ship sleeving frame and a folding and unfolding mechanism used for adjusting the front opening of the ship sleeving frame to be folded or unfolded, pull ropes are symmetrically connected to two radial sides of the fixed disc, and the bottom ends of the pull ropes are fastened with pull hooks hung with clamping rods. The top surface of the hull is fixed by the fixed disc, the bottom of the bow is dragged by the ship sleeving frame, the ship sleeving frame and the steel rope are dragged together to drag at the sea bottom, and the electric energy of a winch consumed when a sunken ship is directly lifted out of the sea is reduced by using the buoyancy of seawater and the traction of the steel rope, so that the electric cost is saved; through the mechanism of taking up and open that sets up at set shipway frame bottom, push away a pair of articulated push rod to the exhibition flat state by the cross state, enlarged the scope of set shipway frame flared end promptly to be suitable for the big bow of size and use.

Description

Universal lifting equipment for fishing shallow sea ships

Technical Field

The invention relates to the technical field of salvage equipment, in particular to universal lifting equipment for salvaging shallow sea ships.

Background

The shallow sea area refers to an area within 200 meters below the sea surface, and the sea bottom of the area is relatively flat. Where sunlight is plentiful and suitable for growth of green plants, many microorganisms and phytoplankton are grown which directly or indirectly provide food for animals in the ocean. The boat body is also an area where people often live and work and other activities, and the boat body sinks due to human factors such as improper operation.

Application number is CN202120720495.0 and discloses a quick fishing device of middle-size and small-size difficult ship remains in shallow water district, and this patent is through set up main winch and control winch on the salvage ship, main winch and control winch setting are on the deck of salvage ship, and main winch is connected with electromagnet through hanging the steel wire, hangs the steel wire and passes the pulley of hanging the support top, and control winch is connected with electromagnet through drawing the steel wire in receipts, inhales the sunken ship through the direct magnetism of electromagnet promptly.

However, the method can only salvage the iron ship, cannot salvage the wood ship and the plastic ship, directly lifts the sunken ship, and when the sunken ship leaves the seawater, the buoyancy disappears, so that the kinetic energy output of the main winch is increased, the energy is saved, and the service life of the main winch is prolonged.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a universal lifting device for fishing shallow ships, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides a universal lifting device for fishing shallow ships, which comprises a double-strand steel rope and a winch wound with the steel rope, wherein one end of the steel rope is respectively fastened with a fixed disc fixed on the top surface of a bow and a ship lifting mechanism clamped at the bottom of the bow, the ship lifting mechanism comprises a ship sleeving frame and a folding and unfolding mechanism used for adjusting the front opening contraction or unfolding of the ship sleeving frame, the ship sleeving frame comprises two pairs of clamping rods which are symmetrically arranged up and down and a plurality of cylindrical rods welded between the pair of clamping rods at the same side, pull ropes are symmetrically connected to two radial sides of the fixed disc, drag hooks connected with the clamping rods are fastened to the bottom ends of the pull ropes, a connecting sheet is rotatably connected between the receiving ends of the pair of clamping rods at the upper layer, towing mechanism bodies are arranged on two outer sides of the opening ends of the ship sleeving frame, a shifting wheel column used for controlling the shifting wheels to move up and down and a sleeve wheel sleeved on the outer sides of the shifting wheel, the center of the bottom surface of the shifting wheel clamping column is coaxially provided with a screw thread penetrating through the end of the screw rod at the same side, and a central shaft of a screw rod connected with a screw rod.

As a further improvement of the technical scheme, the inner sides of the clamping rods which are positioned on the lower layer are symmetrically welded with a plurality of arc-shaped tubes, each pair of arc-shaped tubes is equal in distance, the folding and unfolding mechanism comprises a connecting block hinged with the closing ends of a pair of clamping rods on the lower layer, a supporting tube welded between the opening ends of a pair of clamping rods on the lower layer, a push rod rotationally connected with the inner end of the supporting tube, a threaded rod rotationally connected with a pair of push rods and a rotating rod in plug-in connection with the threaded rod, each pair of arc-shaped tubes is all plugged with a loop bar, the middle part of the loop bar is provided with a straight section bar, the front surface and the rear surface of the straight section bar are provided with insertion holes in a penetrating manner, and the inner sides of the insertion holes in the straight section bar close to the push rod are provided with threads and are connected with the threaded rod.

As a further improvement of the technical scheme, the front end welding of threaded rod has the pole cover, and is a pair of the same end and the pole cover joint of push rod rotate through the pin and be connected, bull stick through connection piece middle part, the front end welding of bull stick has the square hole grafting and the slidable that the rear end of square bar and threaded rod was seted up, the rear end of bull stick has closely cup jointed the runner.

As a further improvement of the technical scheme, the trepanning has been seted up to the mouth end top surface that opens of clamping bar, tug boat mechanism is still including being used for controlling the thumb wheel along with clamping bar exhibition and automatic steering's thumb wheel group, thumb wheel group is including inlaying the thumb wheel pipe of locating the pivot in the vaulting pipe and pegging graft with the trepanning, the lead screw pegs graft and rotatable with thumb wheel pipe, the coaxial cover in the screw ring outside is equipped with the reinforcement sleeve who cup joints with thumb wheel pipe.

As a further improvement of the technical scheme, a plurality of convex teeth are arranged on the outer side of the outer end of the push rod, an end face gear meshed with the convex teeth is sleeved at one end of the rotating shaft, a worm is coaxially connected to the other end of the rotating shaft, a worm wheel is coaxially connected to the bottom of the wheel shifting pipe, and the worm penetrates through a sleeve hole of the clamping rod on the lower layer and is meshed with the worm wheel.

As a further improvement of the technical scheme, a sliding groove is formed in one side, facing the shifting wheel, of the shifting wheel pipe along the axial direction of the shifting wheel pipe, the central shaft of the shifting wheel is inserted into the sliding groove and can slide, and the central shaft of the shifting wheel penetrates through the reinforcing sleeve.

As a further improvement of the technical scheme, the outer side surfaces of the thumb wheel and the sleeve wheel are in an annular shape, and a plurality of wheel sheets are welded at equal intervals, and a plurality of clamping sheets are welded on the inner side surface of the sleeve wheel.

As a further improvement of the technical scheme, a hook is clamped in the connecting piece, the hook is C-shaped, a bolt is welded in the middle of the inner side of the hook, and a rotating piece is connected to the outer side of the bolt in a threaded mode.

As a further improvement of the technical scheme, the width of the hook and the rotating piece is smaller than the inner width of the connecting piece, and the outer end of the bolt is fastened with a reinforcing wire.

As a further improvement of the technical scheme, the bottom of the opening end of the ship-sleeving frame is fastened with a rolling bag, the rolling bag consists of a hollow image capsule and liquid stored in the hollow image capsule, two ends of the rolling bag are sleeved with bearings, a circular ring is sleeved outside the bearings, and a chain is welded on one radial side of the circular ring.

Compared with the prior art, the invention has the following beneficial effects:

1. in the universal lifting equipment for fishing shallow sea ships, the fixed disc and the ship lifting mechanism are arranged at the bottom end of the steel rope, the top surface of a ship body is fixed by the fixed disc, the bottom of a ship bow is dragged by the ship sleeving frame, the ship bow and the ship bow are jointly dragged by the steel rope and dragged on the seabed, the traction force provided by the steel rope is matched by the buoyancy of seawater, the electric energy of a winch consumed when a sunken ship is directly lifted out of the seabed is further reduced, and the electric power cost is saved.

2. In the general type lifting means that this shallow sea ship salvaged, attached to the jacket ship frame opening end through the tow boat mechanism that sets up, through rotatory accent wheel post control thumb wheel and cover wheel fall to jacket ship frame bottom below for slide and become the roll, utilize this mode to reduce the reaction force to the steel cable, saved the hoist engine work simultaneously and consumed electric power.

3. Among this shallow sea vessel salvage's general type lifting means, through the mechanism of taking up and expanding that sets up at cover ship frame bottom, it is rotatory through driving the threaded rod with the bull stick rotation, because straight section pole position is motionless, its axial displacement is just followed to the threaded rod, and then pushes away a pair of articulated push rod to the exhibition flat state by the cross state, has enlarged the scope of cover ship frame flaring end promptly to be suitable for the big bow of size and use.

4. In the universal lifting equipment for fishing the shallow sea ship, the rolling bag is tied at the bottom of the opening end of the ship sheathing frame, the ship sheathing frame and the chain are used for drawing the rolling bag to be padded at the bottom of the sunken ship to assist the sunken ship in towing, the friction force at the bottom of the ship is reduced, and the drawing force on a winch is reduced.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.

FIG. 1 is a plan view of an overall assembly structure of embodiment 1;

FIG. 2 is a schematic view of an overall assembly structure of embodiment 1;

FIG. 3 is a schematic view showing an assembly structure of the boat lifting mechanism and the tugboat mechanism of embodiment 1;

fig. 4 is a schematic view of an assembly structure of the ship lifting mechanism of embodiment 1;

FIG. 5 is a schematic view of the jacket structure of embodiment 1;

FIG. 6 is an assembled and disassembled view of the folding and unfolding mechanism of the embodiment 1;

FIG. 7 is a schematic view showing an assembling structure of the tug mechanism of embodiment 1;

FIG. 8 is a schematic view of a thumb wheel assembly according to embodiment 1;

FIG. 9 is a schematic view of an assembled structure of a thumb wheel set according to embodiment 1;

FIG. 10 is a schematic view of a sheave structure of embodiment 1;

FIG. 11 is a schematic view showing a hook fitting structure of embodiment 1;

fig. 12 is a schematic view of the fitting structure of the fixing disk of embodiment 1.

The various reference numbers in the figures mean:

100. a steel cord;

200. fixing the disc; 210. pulling a rope; 220. pulling a hook;

300. a boat lifting mechanism; 310. sleeving a shipway frame; 311. a clamping rod; 3111. trepanning; 312. an arc tube; 313. connecting sheets;

320. a folding and unfolding mechanism; 321. connecting blocks; 322. bracing the tube; 323. a loop bar; 3231. a straight section bar; 3232. a jack; 324. a push rod; 3241. a convex tooth; 325. a threaded rod; 3251. a rod sleeve; 326. a rotating rod; 3261. a rotating wheel; 330. hooking; 331. a bolt; 332. reinforcing wires; 333. a rotating sheet;

400. a tug mechanism; 410. a dial wheel group; 411. a rotating shaft; 412. a wheel pulling pipe; 4121. a chute; 413. a face gear; 414. a worm; 415. a worm gear;

420. a thumb wheel; 421. a wheel sheet; 422. a threaded ring; 430. adjusting wheel columns; 431. a screw rod; 440. a sleeve wheel; 441. a clip; 450. a reinforcing sleeve;

500. and (4) rolling the capsule.

Detailed Description

The details of the present invention will become more apparent in light of the accompanying drawings and description of specific embodiments thereof. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and should not be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

As used herein, the terms "central axis," "longitudinal," "lateral," "length," "width," "thickness," "vertical," "horizontal," "front," "rear," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention. In addition, in the description of the present invention, "a number" means two or more unless specifically limited otherwise.

Example 1

Referring to fig. 1 to 12, the present invention provides a general lifting device for fishing a shallow sea vessel, which includes a double-strand steel rope 100 and a winch wound around the steel rope 100, the winch being installed on a fishing hull fixed on the sea surface for winding and releasing the steel rope 100 to pull underwater objects. One end of the steel rope 100 is respectively fastened with a fixed disk 200 fixed on the top surface of the bow and a ship lifting mechanism 300 clamped at the bottom of the bow, and the bow for lifting the sunken ship is dragged on the seabed of the shallow sea area due to the fact that the shallow sea area is close to the coastline and the seabed is flat, and the electric energy of a winch consumed when the sunken ship is directly lifted out of the sea surface is reduced by matching the buoyancy of seawater with the traction force provided by the steel rope 100, and the electric cost is saved. The ship lifting mechanism 300 comprises a ship-sleeving frame 310 and a folding and unfolding mechanism 320 for adjusting the front opening of the ship-sleeving frame 310 to be folded or unfolded, and further is matched with the ship heads of different sizes to form a universal lifting device. The jacket shipway frame 310 comprises two pairs of clamping rods 311 which are arranged in an up-down symmetrical manner and a plurality of cylindrical rods welded between a pair of clamping rods 311 on the same side, so that the clamping rods 311 on the upper side and the lower side are connected into a whole, wherein the clamping rods 311 are in an arc rod structure. The radial two sides of the fixed disk 200 are symmetrically connected with pull ropes 210, the fixed disk 200 is fixedly connected with the hull of the sunken ship through bolts, and the pull ropes 210 are made of steel strands. The bottom end of the pull rope 210 is fastened with a draw hook 220 which is hooked with the clamping rod 311, so that the fixed disc 200 and the ship-sleeving frame 310 are connected into a whole by the pull rope 210, and the bow is stably lifted under the combined action. A connecting piece 313 is rotatably connected between the closed ends of the pair of clamping rods 311 on the upper layer, so that the open end of the ship-sleeving frame 310 can be expanded to sleeve the bow of different sizes, and a universal lifting device is formed.

Specifically, a plurality of arc-shaped tubes 312 are symmetrically welded on the inner sides of a pair of clamping rods 311 on the lower layer, the distance between each pair of arc-shaped tubes 312 is equal, and the folding and unfolding mechanism 320 comprises a connecting block 321 hinged to the closing ends of the pair of clamping rods 311 on the lower layer, a supporting tube 322 welded between the opening ends of the pair of clamping rods 311 on the lower layer, a push rod 324 rotatably connected with the inner end of the supporting tube 322, a threaded rod 325 rotatably connected with the pair of push rods 324, and a rotating rod 326 inserted into the threaded rod 325. A sleeve rod 323 is inserted between each pair of arc pipes 312, a straight rod 3231 is arranged in the middle of the sleeve rod 323, and the rotating shafts of the arc pipes 312 on each clamping rod 311 are coaxially arranged with the rotating shaft at the receiving end of the clamping rod 311, so that when the clamping rod 311 rotates, the arc pipes 312 can slide along the radian of the sleeve rod 323, and the position of the straight rod 3231 is ensured to be fixed. The front and back surfaces of the straight section rod 3231 are provided with a jack 3232 in a penetrating way, wherein the inner side of the jack 3232 in the straight section rod 3231 close to the push rod 324 is provided with threads and is in threaded connection with a threaded rod 325, when the rotating rod 326 rotates to drive the threaded rod 325 to rotate, the threaded rod 325 moves along the axial direction of the threaded rod due to the fixed position of the straight section rod 3231, and then the pair of hinged push rods 324 is pushed to a flat state from a crossed state, namely the range of the opening end of the ship-sleeving frame 310 is expanded, so that the ship-sleeving frame is suitable for large-size ship heads.

Furthermore, a rod sleeve 3251 is welded at the front end of the threaded rod 325, and the same ends of the pair of push rods 324 are clamped with the rod sleeve 3251 and are rotatably connected through pins. The rotating rod 326 penetrates the middle of the connecting block 321, the front end of the rotating rod 326 is welded with a square rod, the square rod is inserted into a square hole formed in the rear end of the threaded rod 325, and the square rod can slide, so that the rotating rod 326 can drive the threaded rod 325 to rotate, the threaded rod 325 can axially move, and the closing and unfolding movement of the ship-sleeving frame 310 can be met. The rear end of the rotating rod 326 is tightly sleeved with a rotating wheel 3261 for limiting the rotating rod 326 and driving the rotating rod 326 to rotate.

In this embodiment, the two outer sides of the opening end of the ship-sleeving frame 310 are provided with the ship-dragging mechanism 400, the ship-dragging mechanism 400 comprises a thumb wheel 420 which is positioned between the upper and lower clamping rods 311 on the same side and moves, a wheel-adjusting column 430 for controlling the thumb wheel 420 to move up and down, and a wheel-sleeving 440 sleeved outside the thumb wheel 420, the wheel-sleeving 440 is used for enlarging the outer side of the thumb wheel 420 so as to roll smoothly in the seabed sludge, and the thumb wheel 420 and the wheel-sleeving 440 are controlled to fall below the bottom of the ship-sleeving frame 310 mainly by rotating the wheel-adjusting column 430, so that the sliding becomes a rolling motion. In this way, the reaction force on the steel rope 100 is reduced, and the power consumption caused by the work of the winch is saved. The bottom center of the wheel adjusting column 430 is coaxially provided with a screw rod 431 penetrating through the end part of the clamping rod 311, one end of the central shaft of the thumb wheel 420 is connected with a threaded ring 422 in threaded connection with the screw rod 431, the screw rod 431 is driven to rotate by rotating the wheel adjusting column 430, so that the threaded ring 422 moves along the axial direction of the screw rod, namely, the thumb wheel 420 is driven to be suspended on two sides of the ship sleeving frame 310 when not used, and is moved to the bottom lower part of the ship sleeving frame 310 when used, so as to contact with the seabed to roll and drag the sunken ship.

Specifically, the top surface of the open end of the clamping bar 311 is provided with a sleeve hole 3111, the tug mechanism 400 further comprises a thumb wheel set 410 for controlling the thumb wheel 420 to automatically steer along with the contraction and expansion of the clamping bar 311, and when the sleeve boat frame 310 moves in an expanding and contracting mode, if the thumb wheel 420 does not rotate reversely, an included angle between the end surfaces of the pair of thumb wheels 420 is larger than zero, namely, not parallel, so that the pair of thumb wheels 420 is not beneficial to being attached to the seabed for rolling and dragging, therefore, the thumb wheel set 410 is arranged to automatically control the thumb wheel 420 to move reversely along with the rotation of the clamping bar 311, and the pair of thumb wheels 420 are ensured to be arranged in parallel all the time, so that the rolling and dragging are successfully carried out. The dial wheel set 410 comprises a rotating shaft 411 embedded in the supporting tube 322 and a dial wheel tube 412 inserted into the sleeve hole 3111, the screw rod 431 is inserted into the dial wheel tube 412 and can rotate, and a reinforcing sleeve 450 sleeved with the dial wheel tube 412 is coaxially sleeved outside the threaded ring 422, so that pressure applied to the dial wheel 420 acts on the reinforcing sleeve 450 to be transmitted and shared, and the axial direction of the dial wheel 420 is horizontally arranged to smoothly roll.

Specifically, a plurality of convex teeth 3241 are disposed on an outer side of an outer end of the push rod 324, an end face gear 413 engaged with the convex teeth 3241 is sleeved at one end of the rotating shaft 411, wherein the convex teeth 3241 are distributed at a top portion of an outer side of the push rod 324, and the push rods 324 are a symmetrical structure in which the push rods 324 are engaged, so that when the push rods 324 are unfolded or retracted, the rotating shaft 411 is driven to move in a reverse direction. The other end of the rotating shaft 411 is coaxially connected with a worm 414, the bottom of the thumb wheel tube 412 is coaxially connected with a worm wheel 415, the worm 414 penetrates into the sleeve hole 3111 of the lower clamping rod 311 and is engaged with the worm wheel 415, the pair of rotating shafts 411 moving in opposite directions can drive the pair of worm wheels 415 to rotate in opposite directions, so that the pair of thumb wheel tubes 412 can drive the thumb wheels 420 to move in opposite directions, and the adjustment angles of the pair of thumb wheels 420 rotating inwards or outwards along with the expansion or contraction movement of the pair of clamping rods 311 are arranged in parallel.

Furthermore, one side of the thumb wheel tube 412 facing the thumb wheel 420 is provided with a sliding groove 4121 along the axial direction thereof, the central shaft of the thumb wheel 420 is inserted into the sliding groove 4121 and can slide, the central shaft of the thumb wheel 420 penetrates through the reinforcing sleeve 450 and is tightly inserted into the threaded ring 422, the thumb wheel 420 is guided to move up and down by the sliding groove 4121, and meanwhile, the thumb wheel tube 412 drives the thumb wheel 420 to rotate synchronously with the thumb wheel by the sliding groove 4121 so as to adjust the angle.

Furthermore, the outer side surfaces of the thumb wheel 420 and the sleeve wheel 440 are annular and are welded with a plurality of wheel sheets 421 at equal intervals, and the wheel sheets 421 are sunk into the seabed sludge to have small contact area so as not to sink to generate suction. The inner side of the sleeve wheel 440 is welded with a plurality of clamping pieces 441, the clamping pieces 441 are correspondingly clamped with the wheel pieces 421, the sleeve wheel 440 can be quickly disassembled and assembled, and the outer side of the sleeve wheel 440 can be additionally provided with another large-sized sleeve wheel 440, so that the overall wheel diameter of the thumb wheel 420 is increased, and the thumb wheel is prevented from being stuck in mud and cannot roll.

It should be noted that the hook 330 is fastened inside the connecting plate 313, the hook 330 is C-shaped, the bolt 331 is welded in the middle of the inner side of the hook 330, the rotating plate 333 is screwed outside the bolt 331, and the rotating plate 333 is rotated to block the rear end surface of the connecting plate 313, so as to form an enclosing structure with the hook 330, so that the hook 330 is fastened to the connecting plate 313 without slipping. The width of the hook 330 and the rotating piece 333 is smaller than the inner width of the connecting piece 313, so that the hook 330 and the rotating piece 333 can transversely penetrate through the connecting piece 313, then the hook 330 is rotated by 90 degrees and then pulled back to be clamped, and then the rotating piece 333 is rotated by 90 degrees and attached to the outside of the rear end face of the connecting piece 313. The outer end of the bolt 331 is fastened with a reinforcing wire 332, and the reinforcing wire 332 is made of a steel strand and is bound and fixed with the bottom end of the steel rope 100.

In addition, the bottom of the flaring end of the ship-sleeving frame 310 is fastened with the rolling bag 500, the rolling bag 500 is composed of a hollow image capsule and liquid stored in the hollow image capsule, two ends of the rolling bag 500 are sleeved with bearings, the outer sides of the bearings are sleeved with circular rings, one radial side of each circular ring is welded with a lock chain, the lock chain is fastened with the supporting pipe 322, the ship-sleeving frame 310 and the lock chains are used for drawing the rolling bag 500 to be padded at the bottom of a sunken ship to assist the sunken ship to move in a dragging mode, friction force at the bottom of the ship is reduced, and pulling force caused to a winch is reduced.

When the universal lifting device for fishing the shallow sea ships works, the winch is started to release the steel rope 100 to a sunken ship, the fixed disc 200 is fixed on the top surface of the sunken ship through bolts, the winch is started to wind the steel rope 100 to lift the bow of the ship, the flaring end of the ship sleeving frame 310 is adjusted to be in a proper size through controlling the folding and unfolding mechanism 320 of the ship lifting mechanism 300 to be sleeved at the bow of the ship, and the thumb wheel 420 and the thumb wheel 440 are controlled to descend to the bottom lower part of the ship sleeving frame 310 through rotating the wheel adjusting column 430, so that the ship body slides to roll.

All articles and references, including patent applications and publications, disclosed herein are hereby incorporated by reference for all purposes. The term "consisting essentially of 8230to describe a combination shall include the identified element, ingredient, component or step and other elements, ingredients, components or steps that do not materially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, components, or steps herein also contemplates embodiments that consist essentially of such elements, components, or steps. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional. A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.

The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A universal hoisting device for salvage of shallow sea vessels, comprising a double strand steel cable (100) and a hoist wound around the steel cable (100), characterized in that: the same end double strands of the steel ropes (100) are respectively connected with a fixed disc (200) fixed on the top surface of the bow and a ship lifting mechanism (300) clamped at the bottom of the bow in a fastening way, the ship lifting mechanism (300) comprises a ship sleeving frame (310) and a folding and unfolding mechanism (320) for adjusting the opening at the front end of the ship sleeving frame (310) to be folded or unfolded, the ship-sleeving frame (310) comprises two pairs of clamping rods (311) which are symmetrically arranged up and down and a plurality of cylindrical rods welded between the pair of clamping rods (311) at the same side, pull ropes (210) are symmetrically connected to two radial sides of the fixed disc (200), the bottom end of the pull rope (210) is connected with a draw hook (220) which is articulated with the clamping rod (311), a connecting sheet (313) is rotatably connected between the closing ends of a pair of clamping rods (311) positioned at the upper layer, the two outer sides of the opening end of the ship-sleeving frame (310) are provided with tugboat mechanisms (400), the tug mechanism (400) comprises a thumb wheel (420) which is positioned between the upper clamping rod (311) and the lower clamping rod (311) on the same side and moves, a wheel adjusting column (430) which is used for controlling the thumb wheel (420) to move up and down, and a sleeve wheel (440) which is sleeved outside the thumb wheel (420), the center of the bottom surface of the wheel adjusting column (430) is coaxially provided with a screw rod (431) which penetrates through the end part of the clamping rod (311), one end of the central shaft of the thumb wheel (420) is connected with a threaded ring (422) in threaded connection with the screw rod (431);

the inner sides of a pair of clamping rods (311) positioned at the lower layer are symmetrically welded with a plurality of arc-shaped tubes (312), the distance between each pair of arc-shaped tubes (312) is equal, the folding and unfolding mechanism (320) comprises connecting blocks (321) hinged with the closing ends of the pair of clamping rods (311) at the lower layer, supporting tubes (322) welded between the opening ends of the pair of clamping rods (311) at the lower layer, push rods (324) rotatably connected with the inner ends of the supporting tubes (322), threaded rods (325) rotatably connected with the pair of push rods (324), and rotating rods (326) inserted with the threaded rods (325), sleeve rods (323) are inserted between each pair of arc-shaped tubes (312), the middle parts of the sleeve rods (323) are provided with straight-section rods (3231), the front and back surfaces of the straight-section rods (3231) are provided with insertion holes (3232) in a penetrating manner, wherein the inner sides of the insertion holes (3232) in the straight-section rods (3231) close to the push rods (324) are provided with threads, and are connected with the threaded rods (325);

a rod sleeve (3251) is welded at the front end of the threaded rod (325), the same ends of the push rods (324) are clamped with the rod sleeve (3251) and are rotationally connected through pins, the rotating rod (326) penetrates through the middle of the connecting block (321), a square rod is welded at the front end of the rotating rod (326) and is inserted into a square hole formed in the rear end of the threaded rod (325) in a sliding mode, and a rotating wheel (3261) is tightly sleeved at the rear end of the rotating rod (326);

a hook (330) is clamped in the connecting piece (313), the hook (330) is C-shaped, a bolt (331) is welded in the middle of the inner side of the hook (330), and a rotating piece (333) is connected to the outer side of the bolt (331) in a threaded manner;

the width of the hook (330) and the width of the rotating piece (333) are smaller than the inner width of the connecting piece (313), the outer end of the bolt (331) is connected with a reinforcing wire (332) in a bolted mode, the reinforcing wire (332) is made of steel strands, and the reinforcing wire and the bottom end of the steel rope (100) are fixed in a bound mode.

2. Universal lifting device for shallow sea vessel salvage according to claim 1, characterized in that: trepanning (3111) have been seted up to the mouth-opening end top surface of clamping bar (311), tug mechanism (400) are still including being used for controlling thumb wheel (420) along with clamping bar (311) take up and expand and automatic thumb wheel group (410) that turns to, thumb wheel group (410) are including inlaying thumb wheel pipe (412) of locating pivot (411) in propping pipe (322) and pegging graft with trepanning (3111), lead screw (431) are pegged graft and are rotatable with thumb wheel pipe (412), the coaxial cover in screw ring (422) outside is equipped with strengthening sleeve (450) that cup joints with thumb wheel pipe (412).

3. A universal lifting device for shallow sea vessel salvage as claimed in claim 2, wherein: the outer end outside of push rod (324) is equipped with a plurality of dogtooths (3241), the one end of pivot (411) is cup jointed and is had face gear (413) with a plurality of dogtooths (3241) meshing, the other end coaxial coupling of pivot (411) has worm (414), the bottom coaxial coupling of dialling wheel pipe (412) has worm wheel (415), worm (414) run through in trepanning (3111) to the clamping bar (311) of lower floor and mesh with worm wheel (415).

4. Universal lifting device for shallow sea vessel salvage according to claim 3, characterized in that: the side of the thumb wheel pipe (412) towards the thumb wheel (420) is provided with a sliding groove (4121) along the axial direction of the thumb wheel, the central shaft of the thumb wheel (420) is inserted into the sliding groove (4121) and can slide, and the central shaft of the thumb wheel (420) penetrates through the reinforcing sleeve (450).

5. Universal lifting device for fishing shallow vessels according to claim 4, characterized in that: the outside of thumb wheel (420) and cover wheel (440) is personally submitted the annular and equidistant a plurality of wheel pieces (421) of all welding, the medial surface welding of cover wheel (440) has a plurality of clamping pieces (441).

6. Universal lifting device for shallow sea vessel salvage according to claim 1, characterized in that: the bottom of the opening end of the ship sleeving frame (310) is tied with the rolling bag (500), the rolling bag (500) is composed of a hollow rubber bag and liquid stored in the hollow rubber bag, the two ends of the rolling bag (500) are sleeved with the bearings, the outer sides of the bearings are sleeved with the rings, and the radial side of each ring is welded with the lock chain.