Rubber buoy for salvaging sunken ship
By setting multiple compartments and air ducts inside the rubber pontoons, combined with detachable rigid rubber lugs and reinforcing rings, the problem of unstable underwater installation of large rubber pontoons was solved, achieving balanced buoyancy distribution and improved stability, reducing the risk of salvaging sunken ships, and extending the equipment's lifespan.
Patent Information
- Application Number
- CN202520636736.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Large rubber pontoons are difficult to control in shape during underwater installation, resulting in poor buoyancy. This may lead to tilting, cable breakage, or pontoon detachment, affecting the success rate of salvaging sunken ships.
Multiple independent compartments are set inside the rubber cylinder, and gas is evenly distributed through gas pipes and control valves. The exterior adopts a detachable hard rubber lifting lug and reinforcing ring structure to enhance stability and connection strength.
This achieves balanced buoyancy distribution, improves the stability and load-bearing capacity of the rubber cylinder, reduces the risk of salvage failure due to local overload, extends the service life of the lifting lugs, and improves work efficiency.
Smart Images

Figure CN223850792U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a shipwreck salvage technology field, concretely is a rubber buoy for shipwreck salvage. BACKGROUND
[0002] There is a method called buoy salvage method in modern shipwreck and underwater sunken object salvage, that is, a plurality of buoys are transported to the salvage operation area, and are sunk underwater, and then divers dive underwater to fasten the buoys and the shipwreck or sunken object with a steel cable, compressed gas is pressed into the buoys, the buoyancy of the buoys is used to bring the shipwreck or sunken object to the water surface, and a tugboat is used to tow the shipwreck or sunken object to a repair dock.
[0003] However, due to the structural characteristics of the large rubber buoy, the external size is large, the outer wall is flexible rubber, and no compartment is arranged inside, so that the external shape is difficult to control during underwater installation and inflation. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of the prior art, the utility model provides a rubber buoy for shipwreck salvage to solve the problems in the background art.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a rubber buoy for shipwreck salvage, comprising a rubber cylinder body, two symmetrical partition plates are arranged inside the rubber cylinder body, the two partition plates divide the inside of the rubber cylinder body into one inflation compartment and two gas storage compartments, a gas bag is connected between the two partition plates, the gas bag is located inside the inflation compartment, a gas guide pipe for connecting the inflation compartment and the gas storage compartment is arranged on each of the two partition plates, a first control valve is arranged on each of the two gas guide pipes, two outer ring plates and one middle ring plate are fixedly sleeved outside the rubber cylinder body, the middle ring plate is located at the middle position of the outer periphery of the rubber cylinder body, the two outer ring plates are symmetrically arranged about the middle ring plate, and the two outer ring plates are respectively located at the positions where the two partition plates are connected with the rubber cylinder body, lifting lugs are symmetrically arranged on the outer walls of the two outer ring plates and the middle ring plate, one of the lifting lugs of the middle ring plate is connected with an air inlet pipe, one end of the air inlet pipe is in communication with the inflation compartment, a communication pipe is arranged on the gas bag, and a second control valve is arranged on the communication pipe.
[0006] Further, the lug comprises a fixed plate, a connecting piece and a hanging lug, the connecting piece is embedded outside the outer ring plate or the middle ring plate, the fixed plate is fixedly arranged on the outer wall of the connecting piece, and the hanging lug is fixed on one side of the outer wall of the fixed plate.
[0007] Further, the lug comprises a fixed plate, a connecting piece and a hanging lug, the connecting piece is embedded outside the outer ring plate or the middle ring plate, the fixed plate is fixedly arranged on the outer wall of the connecting piece, and the hanging lug is fixed on one side of the outer wall of the fixed plate.
[0008] Further, all the threaded holes are provided with a closed hole outside, and the outer wall of the bolt, away from the hole, is detachably connected with a rubber plug, and the rubber plug is matched with the closed hole.
[0009] Further, the fixed plate has a U-shaped groove matched with the outer wall of the connecting piece inside, and the fixed plate is embedded in the outer wall of the connecting piece through the U-shaped groove.
[0010] Further, the connecting piece is a clamping groove with an arc-shaped outer side and a U-shaped inner side, and the inner side of the connecting piece is matched with the outer side of the outer ring plate or the middle ring plate.
[0011] Further, the lug and the outer ring plate or the middle ring plate are detachably connected, and the outer ring plate, the middle ring plate and the lug are rubber sleeve rings made of hard rubber material.
[0012] Further, the reinforcing ring has annular protrusions at both ends, which are in contact with the surface of the plate lug plate and higher than the plate lug plate.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1、The rubber cylinder is divided into multiple independent compartments, so that the gas is distributed from the middle part to both ends of the rubber cylinder, the buoyancy is evenly distributed, and the attitude is automatically balanced; in addition, the rubber cylinder is divided into multiple independent compartments by the two partitions, which not only improves the stability and carrying capacity of the rubber cylinder, but also effectively avoids the risk of failure of salvage of a sunken ship caused by local overload.
[0015] 2、The annular protrusion of the reinforcing ring is not only arranged to increase the contact area between the reinforcing ring and the plate type lifting lug plate, but also arranged to be higher than the height of the plate type lifting lug plate, thereby providing additional support and protection for the connection between the two. During the long-term use of the lifting rope, this design can effectively prevent the connection between the plate type lifting lug plate and the reinforcing ring from loosening or being damaged due to excessive stress, thereby ensuring the stability and safety of the lifting lug. In addition, the annular protrusion made of metal can improve the wear resistance of the lug, thereby avoiding wear of the lug caused by the long-term use of the lifting rope, thereby avoiding reduction of the service life of the lug. Furthermore, the reinforcing ring is fixed by screwing the bolt into the internal screw hole and the threaded hole on both sides of the reinforcing ring, so that the reinforcing ring is more firm and reliable during use, thereby further improving the load-bearing capacity of the lifting lug and prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the rubber buoy for salvaging a sunken ship according to the utility model;
[0017] Figure 2 It is a sectional view of the rubber cylinder body according to the utility model;
[0018] Figure 3 It is an enlarged view of the structure at A of the utility model; Figure 2
[0019] Figure 4 It is a partial structure schematic view of the lifting lug according to the utility model;
[0020] Figure 5 It is a partial structure schematic view of the reinforcing ring according to the utility model.
[0021] In the drawing: 1, rubber cylinder body; 2, partition plate; 3, air bag; 4, air guide pipe; 5, outer ring plate; 6, middle ring plate; 7, lifting lug; 8, communication pipe; 9, air inlet pipe;
[0022] 71, fixing plate; 72, connecting piece; 73, rubber plug; 74, plate type lifting lug plate; 75, reinforcing ring; 76, annular protrusion; 77, perforation; 78, threaded hole; 79, internal screw hole; 80, bolt; 81, closed hole; 82, U-shaped groove. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0024] Please refer to Figures 1 to 5 The utility model provides a rubber buoy for shipwreck salvage, including rubber cylinder body 1, two baffle plates 2 are symmetrically arranged in rubber cylinder body 1 inside, two baffle plates 2 divide rubber cylinder body 1 into one airtight cabin and two gas storage compartments, the gasbag bag 3 is connected between two baffle plates 2, the gasbag bag 3 is located inside airtight cabin, all be provided with the gas guide pipe 4 for intercommunication airtight cabin and gas storage compartment on two baffle plates 2, all be provided with first control valve on two gas guide pipes 4, the rubber cylinder body 1 outside fixedly covers two outer ring plates 5 and a middle ring plate 6, the middle ring plate 6 is located at the middle position of rubber cylinder body 1 periphery, two outer ring plates 5 are symmetrically arranged about the middle ring plate 6, and two outer ring plates 5 are located respectively at the position of two baffle plates 2 and rubber cylinder body 1 connection, two outer ring plates 5 and a middle ring plate 6 outer wall both sides are symmetrically provided with the lifting lug 7, one lifting lug 7 of middle ring plate 6 is connected with the gas inlet pipe 9, one end of gas inlet pipe 9 is communicated with airtight cabin, the gasbag bag 3 is provided with the communicating pipe 8, and the second control valve is set up on communicating pipe 8.
[0025] When using, the utility model will connect the gas inlet pipe 9 with the external connecting pipe, and the gas source enters the airtight cabin through the gas inlet pipe 9, due to the setting of the gasbag bag 3, the inside of the airtight cabin is divided into two spaces of cabin a and cabin b, when the gas in cabin a is filled, the pressure in cabin a rises, the second control valve opens, and the gas enters the inside of the gasbag bag 3 through the communicating pipe 8, so that the gas enters the inside of cabin b, when the pressure in cabin b rises, the first control valve opens, and the gas is transported from the inside of cabin b to the inside of the two gas storage compartments, the utility model divides the inside of the rubber cylinder body 1 into multiple independent cabins, so that the gas is distributed from the middle of the rubber cylinder body 1 to both ends, and the first control valve and the second control valve are set as electric air inlet valves, and the pressure sensors are equipped in the airtight cabin and the two gas storage compartments, so that the air volume of each cabin is dynamically adjusted, the buoyancy is evenly distributed, and the posture is automatically balanced.
[0026] In addition, the utility model divides the rubber cylinder body 1 into multiple independent cabins (cabin a, cabin b and the two gas storage compartments) by setting two baffle plates 2, which not only improves the stability and carrying capacity of the rubber cylinder body 1, but also effectively avoids the risk of shipwreck salvage failure caused by local overload. In addition, the setting of the outer ring plate 5, the middle ring plate 6 and the lifting lug 7 provides convenience for the lifting and fixing of the buoy, and further enhances the practicability and reliability.
[0027] The lifting lug 7 includes a fixed plate 71, a connecting piece 72 and a hanging ear, the connecting piece 72 is embedded outside the outer ring plate 5 or the middle ring plate 6, the fixed plate 71 is fixedly arranged on the outer wall of the connecting piece 72, and the hanging ear is fixed on one side of the outer wall of the fixed plate 71.
[0028] The hanging ear comprises a plate-shaped hanging ear plate 74 and a reinforcing ring 75. The plate-shaped hanging ear plate 74 is fixed to one side of the outer wall of the fixed plate 71, and a through hole 77 is formed in the plate-shaped hanging ear plate 74. The reinforcing ring 75 is fixedly inserted into the through hole 77. Threaded holes 78 are formed in the outer wall of the reinforcing ring 75 on both sides. Internal screw holes 79 are formed in the plate-shaped hanging ear plate 74 on both sides. Screws 80 are threadedly connected in the internal screw holes 79. The two screws 80 are sequentially inserted into the internal screw holes 79 and the through hole 77, and are threadedly connected with the corresponding threaded holes 78.
[0029] The hanging ear 7 is detachably connected with the outer ring plate 5 or the middle ring plate 6. The outer ring plate 5, the middle ring plate 6 and the hanging ear 7 are all rubber sleeves made of hard rubber material.
[0030] The outer ring plate 5, the middle ring plate 6 and the hanging ear 7 made of rubber material can reduce the weight of the device and improve the buoyancy of the device, so that the entire rubber cylinder 1 is more stable during the salvage of the sunken ship. In addition, the rubber material also has good corrosion resistance and can be used for a long time in harsh marine environments without being easily damaged. The design of the hanging ear 7 enables the rubber cylinder 1 to be easily transported and installed by lifting equipment, greatly improving the work efficiency. The detachable connection mode facilitates the maintenance and replacement of the rubber cylinder 1, reducing the use cost.
[0031] The fixed plate 71 has a U-shaped groove matched with the outer wall of the connecting piece 72. The fixed plate 71 is embedded in the outer wall of the connecting piece 72 through the U-shaped groove.
[0032] The connecting piece 72 is a clamping groove with an arc-shaped outer side and a U-shaped inner side, and the inner side of the connecting piece 72 is matched with the outer part of the outer ring plate 5 or the middle ring plate 6.
[0033] This design not only ensures the stable connection of the hanging ear 7 with the buoy, but also makes the installation and disassembly process more convenient and fast. Through the embedding of the U-shaped groove and the connecting piece 72, the fixed plate 71 can be closely attached to the connecting piece 72, thereby improving the stability of the entire hanging ear 7. At the same time, this detachable connection mode also facilitates the user to replace or maintain the hanging ear 7 when needed, further prolonging the service life of the rubber cylinder 1. In the salvage operation of the sunken ship, it can effectively support the weight of the sunken ship, providing strong support for the salvage work.
[0034] By fixing the reinforcing ring 75 in the through hole 77, and then rotating the two screws 80 into the internal screw holes 79, until the screws 80 are rotated into the threaded holes 78 on both sides of the reinforcing ring 75, the two sides of the reinforcing ring 75 are further fixed. Furthermore, the reinforcing ring 75 has a ring-shaped protrusion 76 at both ends, which is in contact with the surface of the plate-shaped hanging ear plate 74 and higher than the plate-shaped hanging ear plate 74. This design enhances the connection strength between the hanging ear 7 and the buoy, making the rubber cylinder 1 more safe and reliable when bearing the weight of the sunken ship.
[0035] The reinforcing ring 75 is made of metal material, wherein the annular protrusion 76 not only increases the contact area between the reinforcing ring 75 and the plate lifting lug plate 74, but also provides additional support and protection for the connection between the two due to the height of the annular protrusion 76 being higher than that of the plate lifting lug plate 74. During the long-term use of the lifting rope, this design can effectively prevent the connection between the plate lifting lug plate 74 and the reinforcing ring 75 from loosening or being damaged due to excessive force, thereby ensuring the stability and safety of the lifting lug 7. In addition, the annular protrusion 76 made of metal can improve the wear resistance of the hanging lug, preventing the lifting rope from causing wear to the hanging lug during long-term use, thereby reducing the service life of the hanging lug. Furthermore, the reinforcing ring 75 is fixed by screwing the bolt 80 into the internal screw hole 79 and the threaded hole 78 on both sides of the reinforcing ring 75, making the reinforcing ring 75 more secure and reliable during use, and further improving the load-bearing capacity and service life of the lifting lug 7.
[0036] All threaded holes 78 are provided with a closed hole 81, and the outer wall of the bolt 80 away from the through hole 77 is detachably connected with a rubber plug 73, which is matched with the closed hole 81. The rubber plug 73 can block the direct contact of seawater with the bolt 80, preventing the bolt 80 from corroding and causing difficulty in disassembly. The rubber plug 73 has good elasticity and corrosion resistance, and can maintain its performance stable and not easily aged or deformed in a long-term seawater immersion environment. When the bolt 80 needs to be disassembled, the rubber plug 73 can be easily pulled out, and the disassembly of the bolt 80 can be carried out without worrying about the difficulty caused by corrosion of the bolt 80. This design not only improves the work efficiency, but also prolongs the service life of the bolt 80 and reduces the maintenance cost.
[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A rubber pontoon for wreck raising, comprising a rubber barrel (1), characterised in that: Two baffle plates (2) are symmetrically arranged inside the rubber cylinder (1), the two baffle plates (2) divide the rubber cylinder (1) into an inflatable compartment and two gas storage compartments, a gas bag (3) is connected between the two baffle plates (2), the gas bag (3) is located inside the inflatable compartment, a gas guide pipe (4) for connecting the inflatable compartment and the gas storage compartment is arranged on the two baffle plates (2), a first control valve is arranged on the two gas guide pipes (4), two outer ring plates (5) and a middle ring plate (6) are fixedly arranged outside the rubber cylinder (1), the middle ring plate (6) is located at the middle position of the outer periphery of the rubber cylinder (1), the two outer ring plates (5) are symmetrically arranged about the middle ring plate (6), and the two outer ring plates (5) are respectively located at the positions where the two baffle plates (2) are connected with the rubber cylinder (1), lugs (7) are symmetrically arranged on the outer walls of the two outer ring plates (5) and the middle ring plate (6), one lug (7) of the middle ring plate (6) is connected with an air inlet pipe (9), one end of the air inlet pipe (9) is communicated with the inflatable compartment, a communication pipe (8) is arranged on the gas bag (3), and a second control valve is arranged on the communication pipe (8).
2. A rubber buoy for wreck raising according to claim 1, characterised in that The lug (7) comprises a fixed plate (71), a connecting piece (72) and a hanging lug, the connecting piece (72) is embedded outside the outer ring plate (5) or the middle ring plate (6), the fixed plate (71) is fixedly arranged on the outer wall of the connecting piece (72), and the hanging lug is fixed on one side of the outer wall of the fixed plate (71).
3. A rubber buoy for wreck raising according to claim 2, characterised in that, The hanging lug comprises a plate-type lug plate (74) and a reinforcing ring (75), the plate-type lug plate (74) is fixed on one side of the outer wall of the fixed plate (71), a through hole (77) is formed in the plate-type lug plate (74), the reinforcing ring (75) is fixedly inserted into the through hole (77), threaded holes (78) are formed in the outer walls of the reinforcing ring (75), internal threaded holes (79) are formed in the two sides of the plate-type lug plate (74), and bolts (80) are threadedly connected in the two internal threaded holes (79).
4. A rubber buoy for wreck raising according to claim 3, characterised in that All the threaded holes (78) are provided with closed holes (81), and the outer wall of the bolt (80) is detachably connected with a rubber plug (73) away from the through hole (77), and the rubber plug (73) is matched with the closed hole (81).
5. A rubber buoy for wreck raising according to claim 2, characterised in that, The fixed plate (71) has a U-shaped groove (82) matched with the outer wall of the connecting piece (72), and the fixed plate (71) is embedded on the outer wall of the connecting piece (72) through the U-shaped groove (82).
6. A rubber buoy for wreck raising according to claim 2, characterised in that, The connecting piece (72) is a clamping groove with an arc-shaped outer side and a U-shaped inner side, and the inner side of the connecting piece (72) is matched with the outer part of the outer ring plate (5) or the middle ring plate (6).
7. A rubber buoy for wreck raising according to claim 1, characterized in that The lug (7) and the outer ring plate (5) or the middle ring plate (6) are detachably connected, and the outer ring plate (5), the middle ring plate (6) and the lug (7) are rubber sleeve rings made of hard rubber material.
8. A rubber buoy for wreck raising according to claim 3, characterised in that, The reinforcing ring (75) has annular protrusions (76) at both ends, which are in surface connection with the plate hanger plate (74) and higher than the plate hanger plate (74).