A floating crane hoisting device

Abstract

The present invention relates to the field of floating crane equipment, and discloses a floating crane hoisting device, comprising: a load-bearing component, a supporting component, a lifting component and a floating component, wherein the supporting component is fixedly connected to the bottom of both ends of the load-bearing component, the bottom of the supporting component is fixedly connected to the upper surface of the floating component, and the lifting component is symmetrically slidably installed on the outer surfaces of both ends of the load-bearing component. The present invention enables the floating crane hoisting device to perform module sliding assembly through the coordinated operation among the load-bearing component, the supporting component, the lifting component and the floating component, and the rapid assembly mechanism and structural strengthening measures realize flexible deployment, efficient assembly and high-performance lifting operations in closed waters and remote areas, greatly improves the operating range, efficiency and safety, and can lift objects of different volumes.

Description

Technical Field

[0001] The invention relates to the field of floating crane equipment, and in particular to a floating crane hoisting device. Background Art

[0002] In recent years, with the rapid economic development, the construction of cross-river and cross-sea bridges and the installation of various water and underwater facilities have emerged in an endless stream, and the demand and frequency of water lifting operations have reached unprecedented levels.

[0003] Traditional large floating crane equipment, such as large floating crane vessels, are usually designed for operation in open waters, and often have high rental, operation and maintenance costs. In addition, due to their complex structure, large size, relatively limited flexibility and maneuverability, many closed reservoirs, lakes and remote water bodies are not navigable due to insufficient water depth, complex terrain or lack of waterways, which makes such large floating crane equipment inaccessible, increasing the difficulty of engineering. Therefore, it is urgent to design a floating crane with strong lifting capacity, reliable structure, flexibility and convenience.

[0004] For example: The Chinese utility model patent with the authorization announcement number CN 212740504 U discloses a simple assembly combined floating crane, including two steel pipes, a main winch and a hull. The two steel pipes are arranged in a herringbone shape, and the bottom of the steel pipes are fixed on the decks of the two hulls respectively. The top of the steel pipe is fixed to the first steel plate, and two I-beams are fixed on the upper part of the first steel plate. Two fixed pulleys are arranged on the frame composed of the two I-beams. The steel wire rope of the main winch passes through the guide wheel and the two fixed pulleys in turn to form a lifting device. The utility model device has a simple structure and is suitable for water lifting operations in non-navigable waters. It is convenient and quick to set up and dismantle, meets temporary lifting needs, and is conducive to saving engineering costs and speeding up construction progress. However, the simple assembly combined floating crane is limited to lifting weights within 4 tons, and is not suitable for engineering scenes such as bridge construction that require higher bearing capacity.

[0005] The Chinese invention patent application with application publication number CN 112429656 A discloses a field-assembled floating crane hoisting device, including a floating warehouse and a hoisting device installed on the floating warehouse, wherein the hoisting device includes a load-bearing plate detachably installed on the floating warehouse, a boom rotatably installed on the load-bearing plate, and a hook detachably installed on the top of the boom. The hoisting device has a simple structure and strong maneuverability. The detachable installation structure of the load-bearing plate is convenient for transfer transportation and field assembly. It has wide applicability and is easy to use. It has a good hoisting effect on the construction of bridges across inland rivers and improves the working efficiency of the hoisting device. However, the device includes multiple components such as a load-bearing plate, a boom, a guide wheel, a support device, a counterweight, a support arm, a cable, a movable pulley, etc. The installation and disassembly process is complicated, which occupies resources and manpower, and affects the construction efficiency and flexibility.

[0006] In view of the defects in the prior art, the present invention aims to solve the technical problems that large floating cranes are difficult to deploy in special environments, have low assembly efficiency and limited load-bearing performance, and are not convenient to adapt to lifting objects of different volumes. Therefore, the present invention provides a floating crane hoisting device, which, through modular design, rapid assembly mechanism and structural reinforcement measures, realizes flexible deployment, efficient assembly and high-performance lifting operations in confined waters and remote areas, greatly improves the operating scope, efficiency and safety, and can lift objects of different volumes. Summary of the invention

[0007] The purpose of the present invention is to provide a floating hoisting device to solve the following technical problems: how to enable the floating hoisting device to perform module sliding assembly, and how to perform floating hoisting on objects of different volumes.

[0008] The object of the present invention can be achieved by the following technical scheme: A floating crane hoisting device, comprising: a load-bearing component, a supporting component, a lifting component and a floating component, wherein the supporting component is fixedly connected to the bottom of both ends of the load-bearing component, the bottom of the supporting component is fixedly connected to the upper surface of the floating component, and the lifting component is symmetrically slidably mounted on the outer surfaces of both ends of the load-bearing component;

[0009] The load-bearing component is used to provide stable support for the lifting component, and can also provide a sliding track for the lifting component, and can also control the displacement distance of the lifting component on the outer surface of the load-bearing component;

[0010] The supporting component is used to connect the floating components at both ends of the bottom of the load-bearing component, play a supporting role, and ensure the stability of both ends of the load-bearing component on the surface of the floating component;

[0011] The lifting component is used to lift the object so that the lifted object is suspended on the water surface and moved until the object is transported to the designated location;

[0012] The floating components are used to provide support points for the load-bearing components, supporting components and lifting components on the water surface, and can control the lifting height of the objects by the lifting components. At the same time, they can limit the lifted objects to ensure that the objects remain stable during transportation in the water.

[0013] As a preferred embodiment of the present invention: the load-bearing component includes a supporting truss, a threaded rod and a driving motor, the driving motor is arranged at the top center of one end of the supporting truss, the threaded rod is rotatably clamped in the top center of the supporting truss, track grooves are symmetrically arranged on both sides of the top surface of the supporting truss, limiting slideways are provided on both sides of the supporting truss and at the edges of the track grooves, first limiting wheels are symmetrically arranged at both ends of the top surface of the supporting truss and at both side edges of the threaded rod, and wedge-shaped stoppers are arranged at both end edges of the bottom surface of the supporting truss.

[0014] As a preferred solution of the present invention: the supporting component includes a leg frame, an inclined support frame and an M-shaped support frame, the leg frame is fastened to one side of the M-shaped support frame, the inclined support frame is fastened to the other side of the M-shaped support frame, and the top of the M-shaped support frame is symmetrically provided with plug-in columns.

[0015] As a preferred embodiment of the present invention: the lifting component includes a sliding frame, a fixed pulley and a steel wire rope, the fixed pulley is symmetrically arranged at the bottom of the sliding frame, the steel wire rope is inserted into the fixed pulley, both ends of the sliding frame are provided with sleeve grooves, the center of the upper part of the side of the sliding frame is provided with a threaded hole, the top of the sleeve groove is symmetrically provided with a first rolling ball, and the bottom of the sleeve groove is symmetrically provided with a roller shaft.

[0016] As a preferred solution of the present invention: the floating component includes a supporting bottom plate, a pontoon and a winch, the winch is symmetrically arranged at the two end edges of the supporting bottom plate, the pontoon is slidably clamped at the bottom of the supporting bottom plate, a limited seat is symmetrically arranged on the middle upper surface of the supporting bottom plate, a double-jointed I-beam is slidably clamped inside one end of the limited seat, and a plug interface is opened on the upper surface of one end of the double-jointed I-beam;

[0017] The upper surface of the support base plate is located between the limit seats and is slidably clamped with the limit frame, the bottom surface of the support base plate is evenly provided with T-shaped clamping plates, the middle upper surface of the support base plate and the top of the limit frame are provided with a double-headed motor, both ends of the double-headed motor are connected with transmission gears, the upper surface of the support base plate and one side edge of the double-headed motor are symmetrically provided with a second limit wheel, the upper surface of the limit frame is provided with a toothed groove, and a traction rope is symmetrically fixedly connected inside one end of the limit frame.

[0018] As a preferred solution of the present invention: plug-in grooves are provided at the bottom of both ends of the supporting truss, the M-shaped bracket is plugged into the plug-in grooves through the plug-in columns at the top, the middle bottom end of the M-shaped bracket is plugged into the double-piece I-beam through the plug-in interface, the top side of the leg frame is abutted against the wedge-shaped stopper at the bottom of the supporting truss, the bottom of the leg frame is clamped with the bottom outer surface of the M-shaped bracket, and the bottom of the diagonal support frame is fixedly connected to the upper surface of the double-piece I-beam.

[0019] As a preferred solution of the present invention: the sliding frame is slidably connected to the outer surfaces of both sides of the supporting truss through the socket groove and the limiting slide, the sliding frame is slidably engaged with the inside of the track groove through the first rolling ball, the roller shaft is slidably abutted against the bottom surface of the supporting truss, and the traction rope is slidably overlapped on the outer surfaces of the second limiting wheel and the first limiting wheel.

[0020] As a preferred solution of the present invention: one end of the traction rope is fixedly connected to the outer surface of the sliding frame, one end of the steel wire rope is wound around the winch, one end surface of the limit frame is evenly provided with a second rolling ball, the double-headed motor is meshed and connected with the toothed groove through a transmission gear, the overall shape of the buoyancy box is ship-shaped, the interior is hollow, and it is made of metal material, and the threads on the outer surfaces of both ends of the threaded rod are symmetrically arranged.

[0021] Beneficial effects of the present invention:

[0022] The present invention adopts modular structural design among load-bearing components, support components, lifting components and floating components, so that each component can be conveniently transported and assembled on site, thus successfully solving the deployment problem of large floating cranes in special environments such as closed reservoirs and remote lakes. Therefore, it has wide environmental adaptability and application flexibility. The simple and fast assembly mechanism enables all components to be quickly assembled and disassembled on site by bolts without the need for special tools or complex skills, which can effectively reduce the time cost of installation and adjustment and improve construction efficiency. The well-designed strengthening components and connection mechanisms ensure that the structure is reliable and can withstand higher loads. The lifting performance is significantly improved compared with traditional similar devices.

[0023] The present invention can control the synchronous reverse movement of two groups of lifting components by arranging threaded rods on the top of the supporting truss, so that objects of synchronous sizes can be lifted and transported, and when the two groups of lifting components slide, they will synchronously drive the limit frame to slide horizontally downward, which can limit the two sides of the lifted object and ensure that the object maintains stability when being transported, and the normal operation of the lifting device is affected by the shaking of the object. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Figure 1 It is a schematic diagram of the structure of the floating crane hoisting device;

[0026] Figure 2 It is a schematic diagram of the structure of the load-bearing components;

[0027] Figure 3 This is a schematic diagram of the split structure of the support components;

[0028] Figure 4 It is a schematic diagram of the lifting component structure;

[0029] Figure 5 It is a schematic diagram of the floating component structure;

[0030] Figure 6 for Figure 5 Schematic diagram of the local enlarged structure at point A in the middle.

[0031] Description of the drawings: 1. Load-bearing components; 2. Support components; 3. Lifting components; 4. Floating components; 11. Wedge-shaped block; 12. First limiting wheel; 13. Support truss; 14. Threaded rod; 15. Track groove; 16. Drive motor; 17. Limiting slideway; 21. Leg frame; 22. Plug-in column; 23. Diagonal support frame; 24. M-shaped bracket; 31. Wire rope; 32. Roller; 33. First rolling ball; 34. Threaded hole; 35. Sliding frame; 36. Socket groove; 37. Fixed pulley; 41. T-type clamping plate; 42. Limiting frame; 43. Traction rope; 44. Plug interface; 45. Winch; 46. Support bottom plate; 47. Floating box; 48. Double I-beam; 49. Limiting seat; 410. Toothed groove; 411. Second limiting wheel; 412. Double-headed motor; 413. Transmission gear. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 6 As shown, the present invention is a floating hoisting device, comprising: a load-bearing component 1, a supporting component 2, a lifting component 3 and a floating component 4, wherein the supporting component 2 is fixedly connected to the bottom of both ends of the load-bearing component 1, the bottom of the supporting component 2 is fixedly connected to the upper surface of the floating component 4, and the lifting component 3 is symmetrically slidably installed on the outer surfaces of both ends of the load-bearing component 1;

[0034] The load-bearing component 1 is used to provide stable support for the lifting component 3, and can also provide a sliding track for the lifting component 3, and can also control the displacement distance of the lifting component 3 on the outer surface of the load-bearing component 1;

[0035] The supporting component 2 is used to connect the floating components 4 at both ends of the bottom of the load-bearing component 1, and plays a supporting role to ensure the stability of the two ends of the load-bearing component 1 on the surface of the floating component 4;

[0036] The lifting component 3 is used to lift the object so that the lifted object is suspended on the water surface and moved until the object is transported to a designated location;

[0037] The floating component 4 is used to provide a support point for the load-bearing component 1, the supporting component 2 and the lifting component 3 on the water surface, and can control the lifting height of the object by the lifting component 3, and at the same time can limit the lifted object to ensure that the object remains stable during transportation in water.

[0038] The load-bearing component 1 includes a supporting truss 13, a threaded rod 14 and a driving motor 16. The driving motor 16 is arranged at the top center of one end of the supporting truss 13. The threaded rod 14 is rotatably clamped in the top center of the supporting truss 13. Track grooves 15 are symmetrically arranged on both sides of the top surface of the supporting truss 13. Limiting slideways 17 are provided on both sides of the supporting truss 13 and at the edges of the track grooves 15. First limiting wheels 12 are symmetrically arranged at both ends of the top surface of the supporting truss 13 and at both side edges of the threaded rod 14. Wedge-shaped stoppers 11 are provided at both end edges of the bottom surface of the supporting truss 13.

[0039] The supporting component 2 includes a leg frame 21, an inclined support frame 23 and an M-shaped support 24. The leg frame 21 is fastened to one side of the M-shaped support 24, and the inclined support frame 23 is fastened to the other side of the M-shaped support 24. The top of the M-shaped support 24 is symmetrically provided with plug-in columns 22.

[0040] The lifting component 3 includes a sliding frame 35, a fixed pulley 37 and a wire rope 31. The fixed pulley 37 is symmetrically arranged at the bottom of the sliding frame 35. The wire rope 31 is inserted into the fixed pulley 37. Both ends of the sliding frame 35 are provided with socket grooves 36. The center of the upper part of the side of the sliding frame 35 is provided with a threaded hole 34. The top of the socket groove 36 is symmetrically provided with a first rolling ball 33, and the bottom of the socket groove 36 is symmetrically provided with a roller shaft 32.

[0041] The floating component 4 includes a supporting bottom plate 46, a buoyancy box 47 and a winch 45. The winch 45 is symmetrically arranged at the two end edges of the supporting bottom plate 46. The buoyancy box 47 is slidably clamped at the bottom of the supporting bottom plate 46. A limited seat 49 is symmetrically arranged on the middle upper surface of the supporting bottom plate 46. A double-jointed I-beam 48 is slidably clamped inside one end of the limited seat 49. A plug-in interface 44 is provided on the upper surface of one end of the double-jointed I-beam 48.

[0042] The upper surface of the support base plate 46 is slidably clamped with the limiting frame 42 between the limiting seats 49, and the bottom surface of the support base plate 46 is evenly provided with T-shaped clamping plates 41, and a double-headed motor 412 is provided on the middle upper surface of the support base plate 46 and located on the top of the limiting frame 42, and both ends of the double-headed motor 412 are connected with a transmission gear 413, and the upper surface of the support base plate 46 and one side edge of the double-headed motor 412 are symmetrically provided with a second limiting wheel 411, and the upper surface of the limiting frame 42 is provided with a toothed groove 410, and a traction rope 43 is symmetrically fixedly connected inside one end of the limiting frame 42.

[0043] The support truss 13 of the present invention is provided with plug-in grooves at the bottom of both ends, and the M-shaped bracket 24 is plugged into the plug-in grooves through the plug-in column 22 at the top, so that the support truss 13 and the M-shaped bracket 24 can be tightly connected, and the middle bottom end of the M-shaped bracket 24 is plugged into the double-piece I-beam 48 through the plug-in interface 44, which can ensure that the bottom of the M-shaped bracket 24 is stably supported, and the top side of the leg frame 21 is in contact with the wedge-shaped stopper 11 at the bottom of the support truss 13, and the bottom of the leg frame 21 is clamped with the bottom outer surface of the M-shaped bracket 24, which can provide stable support for the bottom two ends of the support truss 13, and the bottom of the diagonal support frame 23 is fixedly connected to the upper surface of the double-piece I-beam 48, which can support the bottom of the diagonal support frame 23.

[0044] The sliding frame 35 of the present invention is slidably connected to the outer surfaces of both sides of the support truss 13 through the connecting groove 36 and the limiting slide 17, which can play a limiting role in the sliding of the sliding frame 35. The sliding frame 35 is slidably connected with the inside of the track groove 15 through the first rolling ball 33, and the roller shaft 32 is slidably abutted against the bottom surface of the support truss 13, which can ensure that the sliding frame 35 slides smoothly on the outer surface of the support truss 13. The traction rope 43 is slidably overlapped on the outer surfaces of the second limiting wheel 411 and the first limiting wheel 12, which can ensure the smooth sliding of the traction rope 43.

[0045] One end of the traction rope 43 of the present invention is fixedly connected to the outer surface of the sliding frame 35, and the traction rope 43 can be used to pull the limit frame 42 to slide when the sliding frame 35 moves. One end of the wire rope 31 is connected to the winch 45, so that the transported documents can be lifted and lowered when the winch 45 is wound. A second rolling ball is evenly arranged on one end surface of the limit frame 42. The double-headed motor 412 is meshed and connected with the toothed groove 410 through the transmission gear 413, and can control the limit frame 42 to reset and slide. The overall shape of the float box 47 is ship-shaped, the interior is hollow, and it is made of metal material. It can provide buoyancy for the load-bearing component 1, the supporting component 2 and the lifting component 3. The threads on the outer surfaces of both ends of the threaded rod 14 are symmetrically arranged, and when the threaded rod 14 rotates, the two groups of lifting components 3 can be controlled to slide synchronously in the opposite direction.

[0046] The working principle of the present invention is as follows: when it is necessary to carry out floating crane hoisting on the water surface, the hoisting device needs to be modularly and quickly assembled. Before assembling the hoisting device, it is necessary to assemble the matching accessories according to the hoisting environment and the hoisting object to ensure normal and safe hoisting work. When carrying out modular assembly, first put the corresponding number of pontoons 47 in place, and then align and plug them with the T-shaped clamping plate 41 at the bottom of the support base plate 46, and finally weld and connect the assembled support base plate 46 and the pontoons 47 to ensure the connection stability between the support base plate 46 and the pontoons 47, and then align and plug the double-piece I-beam 48 with one end of the limit seat 49 on the upper surface of the support base plate 46, and after the two groups of floating components 4 are assembled, the water surface below is reached, and then the position spacing of the two groups of floating components 4 is limited to adapt to the spacing between the two groups of support components 2;

[0047] The diagonal brace 23 is clamped on the upper outer surface of one side of the M-shaped bracket 24, and then the leg frame 21 is clamped on the upper and lower outer surfaces of the other side of the M-shaped bracket 24, and then the assembled leg frame 21, the diagonal brace 23 and the M-shaped bracket 24 are bolted together, and then the two assembled support components 2 are aligned with the plug-in grooves at the bottom of the two ends of the support truss 13, and the plug-in column 22 is plugged into the bottom of the support truss 13 through the plug-in groove, and then the leg frame 21, the diagonal brace 23 and the M-shaped bracket 2 are bolted together. 4 is bolted to the contact part of the bottom surface of the supporting truss 13, and then the load-bearing component 1 as a whole and the supporting components 2 connected at both ends are lifted and moved to the top of the two groups of floating components 4, so that the middle bottom end of the M-shaped bracket 24 is plugged into the plug-in interface 44, and at the same time, the leg frame 21, the diagonal support frame 23 and the M-shaped bracket 24 will abut against the bottom of the supporting bottom plate 46 and the double-piece I-beam 48, and then the upper surface connection of the supporting component 2 and the supporting bottom plate 46 can be bolted, thereby completing the load-bearing component 1,

[0048] Rapid modular assembly between the support component 2 and the floating component 4;

[0049] Then the wire rope 31 is inserted and connected with the inside of the fixed pulley 37, and one end of the traction rope 43 is fixedly connected with the upper outer surface of one side of the sliding frame 35. Then the floating lifting device can be used to lift and transport the object on the water surface. When lifting, first start the winch 45 to unwind the wire rope 31, so that the wire rope 31 slides inside the fixed pulley 37 and descends underwater, and is lower than the bottom of the object. Then start the drive motor 16 to drive the threaded rod 14 at one end to rotate, thereby driving the two sets of sliding frames 35 connected on the outer surface to slide close to each other on the outer surface of the threaded rod 14 through the threaded hole 34, and at the same time the sliding frame 35 will pass through the sleeve groove 36 slides on the outer surfaces of both sides of the support truss 13, and the first rolling ball 33 and the roller shaft 32 will roll and contact with the outer surfaces of the upper and lower ends of the support truss 13, so as to ensure the smooth sliding of the sliding frame 35. At the same time, the sliding frame 35 will drive the bottom wire rope 31 to approach the bottom of the object in the water until it moves to the edges of the bottom surface of the object. When the sliding frame 35 slides on the outer surface of the support truss 13, it will pull the limit frame 42 to slide horizontally through the traction rope 43, so that one end of the limit frame 42 is close to the object to be lifted, until one end of the limit frame 42 abuts against the outer surface of the object, and then the winch 45 can be started to pull the wire rope 3 1, so that the wire rope 31 slides at the bottom of the fixed pulley 37, and at the same time, the wire rope 31 will lift the bottom of the object up, so that the object floats in the water without contacting the bottom of the water, and then the floating crane hoisting device is towed forward by the tugboat, and at the same time, the jacking ship will push the floating crane hoisting device forward until the floating crane hoisting device moves to the required position, and then the winch 45 is controlled to unwind the wire rope 31, and the transported object is placed at the required position. When the object is lifted, the second rolling ball will roll on the outer surface of the object to prevent the limit frame 42 from hindering the normal lifting of the object, and then the drive motor 16 is controlled to rotate in the opposite direction, so that the two sets of lifting components 3 are on the supporting truss 1 3, the outer surfaces thereof move away from each other in opposite directions synchronously, and the steel wire rope 31 is separated from the transported object, and then the double-headed motor 412 is controlled to drive the transmission gears 413 at both ends to rotate, and at the same time, the limit frame 42 is driven to reset and slide through the toothed groove 410. Therefore, through the coordinated operation among the load-bearing component 1, the supporting component 2, the lifting component 3 and the floating component 4, the floating lifting device can be assembled by module sliding, and the rapid assembly mechanism and structural strengthening measures realize flexible deployment, efficient assembly and high-performance lifting operations in closed waters and remote areas, greatly improving the operating scope, efficiency and safety, and lifting objects of different volumes.

[0050] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A floating crane hoisting device, comprising: A load-bearing component (1), a supporting component (2), a lifting component (3) and a floating component (4), wherein the supporting component (2) is fixedly connected to the bottom of both ends of the load-bearing component (1), the bottom of the supporting component (2) is fixedly connected to the upper surface of the floating component (4), and the lifting component (3) is symmetrically slidably mounted on the outer surfaces of both ends of the load-bearing component (1); The invention is characterized in that the load-bearing component (1) is used to provide stable support for the lifting component (3), and can also provide a sliding track for the lifting component (3), and can also control the displacement distance of the lifting component (3) on the outer surface of the load-bearing component (1); The supporting component (2) is used to connect the floating components (4) at both ends of the bottom of the load-bearing component (1), play a supporting role, and ensure the stability of the two ends of the load-bearing component (1) on the surface of the floating component (4); A lifting component (3) is used to lift an object so that the lifted object is suspended on the water surface and moved until the object is transported to a designated location; The floating component (4) is used to provide a support point on the water surface for the load-bearing component (1), the supporting component (2) and the lifting component (3), and is capable of controlling the lifting height of the object by the lifting component (3), and at the same time, is capable of limiting the position of the lifted object, thereby ensuring that the object remains stable during transportation in water; The load-bearing component (1) comprises a supporting truss (13), a threaded rod (14) and a driving motor (16); the driving motor (16) is arranged at the top center of one end of the supporting truss (13); the threaded rod (14) is rotatably clamped at the top center of the supporting truss (13); and track grooves (15) are symmetrically arranged on both sides of the top surface of the supporting truss (13); Limiting slideways (17) are provided on both sides of the support truss (13) and at the edges of the track groove (15); first limiting wheels (12) are symmetrically provided at both ends of the top surface of the support truss (13) and at both side edges of the threaded rod (14); and wedge-shaped stoppers (11) are provided at both end edges of the bottom surface of the support truss (13); The support component (2) comprises a leg support (21), an oblique support frame (23) and an M-shaped support (24); the leg support (21) is fastened to one side of the M-shaped support (24); the oblique support frame (23) is fastened to the other side of the M-shaped support (24); and the top of the M-shaped support (24) is symmetrically provided with plug-in columns (22); The lifting component (3) comprises a sliding frame (35), a fixed pulley (37) and a steel wire rope (31), wherein the fixed pulley (37) is symmetrically arranged at the bottom of the sliding frame (35), and the steel wire rope (31) is inserted into the fixed pulley (37). Both ends of the sliding frame (35) are provided with sleeve grooves (36), and a threaded hole (34) is provided at the center of the upper part of the side surface of the sliding frame (35). A first rolling ball (33) is symmetrically arranged at the top of the sleeve groove (36), and a roller shaft (32) is symmetrically arranged at the bottom of the sleeve groove (36); The floating component (4) comprises a supporting bottom plate (46), a buoyancy box (47) and a winch (45), wherein the winch (45) is symmetrically arranged at the two end edges of the supporting bottom plate (46), the buoyancy box (47) is slidably clamped on the bottom of the supporting bottom plate (46), a limiting seat (49) is symmetrically arranged on the middle upper surface of the supporting bottom plate (46), a double-jointed I-beam (48) is slidably clamped inside one end of the limiting seat (49), and an insertion interface (44) is provided on the upper surface of one end of the double-jointed I-beam (48); The upper surface of the support base plate (46) is slidably engaged with the limit frame (42) between the limit seats (49), the bottom surface of the support base plate (46) is evenly provided with T-shaped clamping plates (41), the middle upper surface of the support base plate (46) and located at the top of the limit frame (42) is provided with a double-headed motor (412), both ends of the double-headed motor (412) are connected with transmission gears (413), the upper surface of the support base plate (46) and located at one side edge of the double-headed motor (412) are symmetrically provided with a second limit wheel (411), the upper surface of the limit frame (42) is provided with a toothed groove (410), and one end of the limit frame (42) is symmetrically fixedly connected with a traction rope (43) inside; The bottom of both ends of the support truss (13) is provided with a plug-in slot, the M-shaped bracket (24) is plugged into the plug-in slot via the plug-in column (22) at the top, the middle bottom end of the M-shaped bracket (24) is plugged into the double-jointed I-beam (48) via the plug-in interface (44), the top side of the leg frame (21) is in contact with the wedge-shaped stopper (11) at the bottom of the support truss (13), the bottom of the leg frame (21) is clamped with the bottom outer surface of the M-shaped bracket (24), and the bottom of the diagonal support frame (23) is fixedly connected to the upper surface of the double-jointed I-beam (48); The sliding frame (35) is slidably sleeved on the outer surfaces of both sides of the support truss (13) through the sleeve groove (36) and the limiting slideway (17); the sliding frame (35) is slidably engaged with the inside of the track groove (15) through the first rolling ball (33); the roller shaft (32) is slidably abutted against the bottom surface of the support truss (13); and the traction rope (43) is slidably overlapped on the outer surfaces of the second limiting wheel (411) and the first limiting wheel (12); One end of the traction rope (43) is fixedly connected to the outer surface of the sliding frame (35), one end of the steel wire rope (31) is wound around the hoist (45), one end surface of the limit frame (42) is evenly provided with second rolling balls, and the double-headed motor (412) is meshedly connected to the toothed groove (410) via a transmission gear (413).

2. A floating hoisting device according to claim 1, characterized in that: The overall shape of the buoyancy box (47) is boat-shaped, hollow inside, and made of metal material. The threads on the outer surfaces of both ends of the threaded rod (14) are symmetrically arranged.

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