CN110952435A - Offshore liftable pontoon bridge provided with auxiliary butt joint and anti-rolling device - Google Patents
Offshore liftable pontoon bridge provided with auxiliary butt joint and anti-rolling device Download PDFInfo
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- CN110952435A CN110952435A CN201911231330.0A CN201911231330A CN110952435A CN 110952435 A CN110952435 A CN 110952435A CN 201911231330 A CN201911231330 A CN 201911231330A CN 110952435 A CN110952435 A CN 110952435A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
- E01D15/145—Floating bridges, e.g. pontoon bridges displaceable or with sections movable to allow passing of water-borne traffic
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Abstract
The invention discloses a sea liftable floating bridge with an auxiliary butt joint and anti-rolling device. The floating bridge main body is internally provided with a buoyancy cabin which is matched with the lifting bridge body to change the draft depth of the floating bridge so as to reduce the water surface area of the floating bridge and further reduce the swaying motion; the tail end connector is arranged at the tail part of the floating bridge main body and is matched with the head end clamping mechanism of the other floating bridge to realize the connection of the head and the tail parts between the floating bridges; a starboard connecting body is arranged on the starboard of the pontoon main body and is matched with a port clamping mechanism of another pontoon to realize the connection of the side between the pontoons; the anti-sway damping net is used for increasing damping in the floating bridge movement process so as to reduce sway movement of the floating bridge in waves. The invention solves the problem of difficult butt-joint construction operation of the floating bridge under higher sea conditions, reduces the swing motion response of the floating bridge under severe sea conditions, reduces the structural stress amplitude of the floating bridge joint and prolongs the service life.
Description
Technical Field
The invention belongs to the technical field of design and manufacture of ships and ocean engineering equipment, and particularly relates to an offshore liftable pontoon provided with an auxiliary butt joint and stabilizing device.
Background
The floating bridge has the advantages of flexible construction, adjustable overload area of the bridge deck and the like, and is one of common devices for transporting material equipment and unloading offshore mudflat across the river. Currently, most of the working scenarios mainly considered in designing the floating bridge are inland rivers and offshore tidal bay with excellent sea conditions. At the moment, compared with the inertia characteristic and the restoring rigidity coefficient of the floating bridge, environmental loads such as external wind, wave, flow and the like are small, and the induced floating bridge moves very little, so that the connection and construction operation is easy, and the service life of the connection joint is long. However, as our country's strategy extends to deep and distant sea, it provides new challenges for designing and building floating bridges. If when carrying out the daily supplies supply to south sea island reef resident, because the transport ship draft, be difficult to directly rely on to moor the island reef, generally need erect the pontoon bridge near the island reef to construct goods and materials transportation channel. However, in the open sea environment such as the south sea, the environment load conditions such as wind, wave and flow are severe, and the difficulty of connection and construction operation is greatly increased due to the large-amplitude relative swinging motion between the floating bridge modules, so that the floating bridge module can far exceed inland rivers and offshore sea areas. Meanwhile, the large-amplitude relative shaking motion induced by the environmental load can also greatly increase the alternating stress amplitude of the connecting joint and reduce the service life of the connecting joint.
In view of the above, urgent need provides a pontoon bridge equipment suitable for under adverse circumstances load operating mode, can accomplish fast and connect the operation of building, has good wave resistance and structure safe and reliable performance.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problem that the existing pontoon equipment is difficult to adapt to operation under severe environmental conditions, the invention aims to provide a marine liftable pontoon with an auxiliary butt joint and an anti-rolling device.
The technical scheme is as follows: in the embodiment of the invention, the offshore lifting pontoon provided with the auxiliary butt joint and the anti-rolling device comprises a lifting pontoon body, a pontoon main body, an anti-rolling damping net, a head end clamping mechanism and a port side clamping mechanism. The floating bridge main body is internally provided with a buoyancy cabin which is matched with the lifting bridge body to change the draft of the floating bridge so as to reduce the waterplane area of the floating bridge and further reduce the swaying motion; the tail end connector is arranged at the tail part of the floating bridge main body and is matched with the head end clamping mechanism of the other floating bridge to realize the connection of the head and the tail parts between the floating bridges; a starboard connecting body is arranged on the starboard of the pontoon main body and is matched with a port clamping mechanism of another pontoon to realize the connection of the side between the pontoons; the anti-sway damping net is used for increasing damping in the floating bridge movement process so as to reduce sway movement of the floating bridge in waves.
The lifting bridge body comprises a bridge deck and bridge deck hydraulic lifting columns, and the bridge deck hydraulic lifting columns are uniformly arranged at the bottom of the bridge deck.
The floating bridge main body comprises a tail end connecting body, a port iron cable joint, a starboard connecting body, an anchor hole, a tail end iron cable cabin, a damping net hydraulic lifting column support, a bridge deck hydraulic lifting column support, a buoyancy cabin, a head end iron cable joint, a starboard iron cable hole and a starboard iron cable cabin. The tail end connecting body is arranged at the center of the tail end face of the floating bridge main body, cushion pads are arranged on two sides of the upper end face and the lower end face of the tail end connecting body, and tail end connecting body iron pin holes are formed in the cushion pads; the tail end iron cable cabin is symmetrically arranged behind the tail end connecting body; each tail end iron cable cabin is respectively connected with two tail end iron cable holes which are symmetrically arranged on the upper side and the lower side of the tail end connecting body; the structure and the arrangement positions of the starboard connecting body, the starboard iron cable hole and the starboard iron cable cabin are consistent with those of the tail end connecting body, the tail end iron cable hole and the tail end iron cable cabin; the head end iron cable joint is arranged at the four corners of the head end clamping mechanism; the port iron cable joints are arranged at four corners of the port clamping mechanism; the buoyancy chambers are symmetrically arranged on the left side and the right side of the pontoon main body; the anchor holes are arranged at four corners of the floating bridge main body and used for anchoring the floating bridge; the damping net hydraulic lifting column supports are uniformly distributed on the bottom surface of the floating bridge main body; the bridge deck hydraulic lifting column supports are uniformly distributed on the top surface of the floating bridge main body.
The anti-rolling damping net comprises a damping net surface and a damping net hydraulic lifting column. The damping net hydraulic lifting columns are uniformly arranged on the net surface of the damping net.
The head end clamping mechanism comprises a head end iron pin, a head end vertical hydraulic clamping column and a head end horizontal hydraulic clamping column. The head end iron pin is connected with a tail end connecting body iron pin hole on the tail end connecting body; the head end vertical hydraulic clamping columns are arranged in an up-down symmetrical mode; the head end horizontal hydraulic clamping columns are arranged in a bilateral symmetry manner; the structure of the port clamping mechanism is consistent with that of the head end clamping mechanism.
Preferably, the deck hydraulic lifting column is arranged in a deck hydraulic lifting column support in the pontoon main body and can push the deck to move up and down.
Preferably, the buoyancy chambers may be adapted to contain a volume of ballast water therein to vary the net buoyancy provided thereby.
Preferably, cushion pads are arranged on two sides of the upper end face and the lower end face of the tail end connecting body, and iron pin holes of the tail end connecting body are arranged on the cushion pads and connected with iron pins at the head end in the head end clamping mechanism.
Preferably, the right side connecting body is provided with buffer pads on both sides of the upper and lower end surfaces thereof, and the buffer pads are provided with right side connecting body iron pin holes which are connected with port iron pins in the port clamping mechanism.
Preferably, the tail end iron cable cabin is used for storing iron cables; the tail end iron cable hole guides the iron cable; the iron cable can be connected on the head end iron cable connector, and a motor is arranged in the tail end iron cable cabin and used for retracting the iron cable so as to realize the head-to-tail traction of the floating bridge.
Preferably, the starboard iron cable cabin is used for storing iron cables; the starboard iron cable hole guides the iron cable; the iron cable can be connected on the port iron cable joint, and a motor is arranged in the starboard iron cable cabin and used for retracting the iron cable to achieve traction on the side of the pontoon bridge.
Preferably, in the head end clamping mechanism, the head end vertical hydraulic clamping column vertically moves in the pontoon main body to clamp the tail end connecting body in the vertical direction; the head end horizontal hydraulic clamping column horizontally moves in the pontoon bridge main body and is used for clamping the tail end connecting body in the horizontal direction; the structure of the port clamping mechanism is consistent with that of the head end clamping mechanism.
Preferably, regular hexagonal through holes (or other open pore forms which are beneficial to increasing the damping, such as round holes, square holes and the like) are arranged on the net surface of the anti-rolling damping net; the damping net hydraulic lifting column is arranged in a damping net hydraulic lifting column support in the floating bridge main body and can push the net surface of the damping net to perform lifting motion.
Has the advantages that: compared with the existing floating bridge equipment, the offshore lifting floating bridge provided with the auxiliary butt joint and anti-rolling devices can be used for quickly and automatically connecting and building the floating bridge under severe sea conditions, and meanwhile, the overall rolling motion of the floating bridge and the relative rolling motion among the floating bridge modules are reduced, and the service life of connecting members among the floating bridge modules is prolonged.
Drawings
FIG. 1 is an exploded view and schematic illustration of the construction of the apparatus of the present invention;
FIG. 2 is a schematic structural diagram of the elevator bridge according to the present invention;
FIG. 3 is a top view of the main structure of the pontoon according to the invention;
FIG. 4 is a schematic view of the positions of the port rope connector, the tail end rope hole and the cushion according to the present invention;
FIG. 5 is a schematic view of a roll damping network according to the present invention;
FIG. 6 is a schematic view of the head end clamping mechanism of the present invention;
FIG. 7 is a schematic diagram of the autonomous docking process of the pontoon units according to the invention;
FIG. 8 is a flow chart of the use of the present invention;
FIG. 9 is a schematic view of the present invention for reducing the area of the water plane;
FIG. 10 is a schematic view of the roll damping network of the present invention reducing roll motion.
Detailed Description
In order to make the technical scheme of the invention better understood by those skilled in the art, the technical scheme of the invention is clearly and completely described below with reference to the accompanying drawings of the specification.
The invention provides a sea liftable pontoon provided with an auxiliary butt joint and stabilizing device, and the structure of the device is shown in figure 1. The anti-rolling floating bridge mainly comprises a lifting bridge body 1, a floating bridge main body 2, an anti-rolling damping net 3, a head end clamping mechanism 4 and a port clamping mechanism 5. The floating bridge main body 2 is internally provided with a buoyancy cabin 29 which is matched with the lifting bridge body 1 to change the draft of the floating bridge so as to reduce the water surface area of the floating bridge and further reduce the swaying motion; the tail end connecting body 21 is arranged at the tail part of the floating bridge main body 2 and is matched with the head end clamping mechanism 4 of the other floating bridge to realize the connection of the head and the tail parts between the floating bridges; a starboard connecting body 23 is arranged on the starboard of the pontoon main body 2 and is matched with a port clamping mechanism 5 of another pontoon to realize the connection of the side between the pontoons; the anti-sway damping nets 3 are used to increase the damping during the pontoon movement to reduce the swaying movement of the pontoon in the waves.
As shown in fig. 2, the structure of the lifting bridge body 1 is shown, and the lifting bridge body 1 comprises a bridge deck 11 and a bridge deck hydraulic lifting column 12. The deck hydraulic lifting column 12 is installed in a deck hydraulic lifting column support 28 in the pontoon main body 2, and can push the deck 11 to perform lifting movement.
The structure of the pontoon main body 2 as shown in fig. 3 and 4 comprises a tail end connecting body 21, a port side iron cable joint 22, a starboard side connecting body 23, an anchor hole 24, a tail end iron cable hole 25, a tail end iron cable cabin 26, a damping net hydraulic lifting column support 27, a bridge deck hydraulic lifting column support 28, a buoyancy cabin 29, a head end iron cable joint 210, a starboard side iron cable hole 211 and a starboard side iron cable cabin 212. The tail end connecting body 21 is arranged at the center of the head end face of the floating bridge main body 2, cushion pads 215 are arranged on two sides of the upper end face and the lower end face of the tail end connecting body 21, and tail end connecting body iron pin holes 213 are formed in the cushion pads 215; the tail end iron cable cabin 26 is symmetrically arranged behind the tail end connecting body 21; each tail end iron cable cabin 26 is respectively connected with two tail end iron cable holes 25 which are symmetrically arranged on the upper side and the lower side of the tail end connecting body 21; the tail end iron cable cabin 26 is used for accommodating iron cables; the tail end iron cable hole 25 guides the iron cable; the iron cable can be connected to the head end iron cable connector 210, and a motor is arranged in the tail end iron cable cabin 26 and used for winding and unwinding the iron cable so as to realize the head-to-tail traction of the floating bridge; the structure and the arrangement positions of the starboard connecting body 23, the starboard iron cable hole 211 and the starboard iron cable cabin 212 are consistent with those of the tail end connecting body 21, the tail end iron cable hole 25 and the tail end iron cable cabin 26; the area of the opening of the head end clamping mechanism 4 on the pontoon main body 2 is larger than that of the tail end connecting body 21, and the area of the opening of the port side clamping mechanism 5 on the pontoon main body 2 is larger than that of the starboard side connecting body 23, namely, the two pontoons are allowed to move relatively when being connected; the buoyancy chambers 29 are symmetrically arranged at the left side and the right side of the pontoon main body 2, and the net buoyancy provided by the buoyancy chambers is adjusted by adjusting the volume of ballast water contained in the buoyancy chambers; anchor holes 24 are provided at four corners of the pontoon main body 2 for mooring the pontoon.
The anti-rolling damping net 3 shown in fig. 5 comprises a damping net surface 31 and a damping net hydraulic lifting column 32. The net surface 31 of the damping net is provided with regular hexagonal through holes; the damping net hydraulic lifting columns 32 are uniformly arranged on the damping net surface 31; the damping net hydraulic lifting column 32 is arranged in the damping net hydraulic lifting column support 27 in the floating bridge main body 2 and can push the damping net surface 31 to move up and down.
As shown in fig. 6, the head end clamping mechanism 4 includes a head end iron pin 41, a head end vertical hydraulic clamping column 42, and a head end horizontal hydraulic clamping column 43. The head end iron pin 41 is connected with the tail end connecting body iron pin hole 213 on the tail end connecting body 21; the head end vertical hydraulic clamping columns 42 are arranged vertically and symmetrically; the horizontal hydraulic clamping columns 43 at the head ends are arranged in bilateral symmetry; the head end iron pin 41 is connected with the tail end connecting body iron pin hole 213 on the tail end connecting body 21; the head end vertical hydraulic clamping column 42 vertically moves in the pontoon main body 2 for clamping the tail end connecting body 21 in the vertical direction; the head end horizontal hydraulic clamping column 43 moves horizontally within the pontoon body 2 for clamping the trailing connecting body 21 in the horizontal direction.
The structure of the port clamping mechanism 5 is consistent with that of the head end clamping mechanism 4.
Fig. 8 shows a flow chart of the invention, and the following describes the working process of the invention in detail with reference to the flow chart and the remaining figures.
When the pontoon starts to be put into use, the autonomous docking process of the pontoon units as shown in fig. 7 is first performed. When the end-to-end butt joint is carried out, the iron cable 5 in the tail end iron cable cabin 26 of the floating bridge A extends out of the tail end iron cable hole 25 to be connected with the head end iron cable connector 210 of the floating bridge B, then the motor in the tail end iron cable cabin 26 of the floating bridge A operates to contract the iron cable 5, and the floating bridge B is pulled towards the floating bridge A. Because the area of the opening of the head end clamping mechanism 4 on the pontoon main body 2 is larger than that of the tail end connecting body 21, the tail end connecting body of the pontoon A can still easily enter the pontoon B even if relative movement exists between the two pontoons. Then, the floating bridge a is fixed in the vertical direction and the horizontal direction by the head end vertical hydraulic clamping column 42 and the head end horizontal hydraulic clamping column 43 of the head end clamping mechanism 4 in the floating bridge B, at this time, the head end iron pin 41 descends into the tail end connecting body iron pin hole 213 on the tail end connecting body 21 of the floating bridge a, then the head end vertical hydraulic clamping column 42 and the head end horizontal hydraulic clamping column 43 of the floating bridge B are loosened, and the head end and the tail end of the two floating bridges are butted. The butt joint process of the two floating bridge sides is consistent with the butt joint process of the head end and the tail end.
After the floating bridge is connected, a worker considers whether corresponding swing reduction measures need to be started or not according to specific sea conditions and floating bridge motion response conditions, and the two swing reduction measures have the following specific working modes.
Fig. 9 is a schematic diagram of the reduction of the water surface area of the floating bridge under severe sea conditions. As shown in the upper part of fig. 9, the water surface area of the pontoon at this time is the horizontal sectional area of the pontoon main body 2, and the pontoon receives a large wave load due to a large water surface area when the sea state is severe, and the motion response is remarkable. At this time the deck 11 is lifted and the ballast water volume of the buoyancy tank 29 is increased, and the pontoon sinks as shown below in fig. 8 because of the reduced buoyancy. At this time, the water line surface area of the floating bridge is greatly reduced to become the area of the bridge deck hydraulic lifting column 12, which is beneficial to reducing the swing motion of the floating bridge.
Fig. 10 is a schematic view of the sway reducing motion of the anti-roll damping net. When the sea condition is severe, the anti-sway damping net 3 is placed under the damping net hydraulic lifting column 32, and the damping net surface 31 of the anti-sway damping net 3 is provided with the regular hexagon through holes, so that the damping during the floating bridge movement can be greatly increased, and the sway movement is reduced.
Claims (10)
1. The utility model provides a but, marine lifting pontoon of possessing supplementary butt joint and anti-sway device which characterized in that: the anti-rolling floating bridge comprises a lifting bridge body (1), a floating bridge main body (2), an anti-rolling damping net (3), a head end clamping mechanism (4) and a port clamping mechanism (5); the lifting bridge body (1) is driven by a bridge deck hydraulic lifting column (12) arranged in the floating bridge main body (2) to lift, and is matched with a buoyancy cabin (29) in the floating bridge main body (2) to change the draft of the floating bridge so as to reduce the waterplane area of the floating bridge and further reduce the swaying motion; a tail end connecting body (21) is arranged at the center of the tail end face of the floating bridge main body (2), a head end clamping mechanism (4) is arranged at the corresponding position of the head end face, two symmetrical starboard connecting bodies (23) are arranged on the right end face, two port clamping mechanisms (5) are arranged at the same position of the left end face, each connecting body is provided with a cushion pad and an iron pin hole, each clamping mechanism is provided with an iron pin and a clamping column, and the connecting bodies are matched with the clamping mechanisms to realize the connection of the head and the tail parts and the side of the floating bridge; the anti-sway damping net (3) is driven by a damping net hydraulic lifting column (32) arranged in the pontoon main body (2) to lift so as to reduce the sway motion of the pontoon in the waves.
2. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 1, characterized in that: the lifting bridge body (1) comprises a bridge deck (11) and a bridge deck hydraulic lifting column (12); the bridge deck hydraulic lifting columns (12) are uniformly arranged at the bottom of the bridge deck (11);
the floating bridge comprises a floating bridge main body (2) and is characterized in that the floating bridge main body comprises a tail end connecting body (21), a port iron cable joint (22), a starboard connecting body (23), an anchor hole (24), a tail end iron cable hole (25), a tail end iron cable cabin (26), a damping net hydraulic lifting column support (27), a bridge deck hydraulic lifting column support (28), a buoyancy cabin (29), a head end iron cable joint (210), a starboard iron cable hole (211) and a starboard iron cable cabin (212), wherein the tail end iron cable cabin (26) is symmetrically arranged behind the tail end connecting body (21), each tail end iron cable cabin (26) is respectively connected with two tail end iron cable holes (25) symmetrically arranged on the upper side and the lower side of the tail end connecting body (21), the head end iron cable joint (210) is arranged at four corners of a head end clamping mechanism (4), and the structures and arrangement positions of the starboard connecting body (23), the starboard iron cable cabin (212) and the port iron cable joint (22) are in cooperation with the tail end, The tail end iron cable cabin (26) is consistent with the head end iron cable joint (210); the buoyancy chambers (29) are symmetrically arranged at the left side and the right side of the pontoon main body (2), the anchor holes (24) are arranged at four corners of the pontoon main body (2) for anchoring the pontoon, the damping net hydraulic lifting column supports (27) are uniformly distributed at the bottom surface of the pontoon main body (2), and the bridge deck hydraulic lifting column supports (28) are uniformly distributed at the top surface of the pontoon main body (2);
the anti-rolling damping net (3) comprises a damping net surface (31) and damping net hydraulic lifting columns (32), and the damping net hydraulic lifting columns (32) are uniformly arranged on the damping net surface (31);
the head end clamping mechanism (4) comprises a head end iron pin (41), a head end vertical hydraulic clamping column (42) and a head end horizontal hydraulic clamping column (43), the head end vertical hydraulic clamping column (42) is arranged in an up-down symmetrical mode, and the head end horizontal hydraulic clamping column (43) is arranged in a left-right symmetrical mode;
the structure of the port clamping mechanism (5) is consistent with that of the head end clamping mechanism (4).
3. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 2, characterized in that: the bridge deck hydraulic lifting column (12) is arranged in a bridge deck hydraulic lifting column support (28) in the floating bridge main body (2) and can push the bridge deck (11) to move up and down.
4. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 2, characterized in that: the buoyancy chamber (29) adjusts the net buoyancy generated by the ballast water by changing the volume of the ballast water contained therein.
5. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 2, characterized in that: cushion pads (215) are arranged on two sides of the upper end surface and the lower end surface of the tail end connecting body (21), and a tail end connecting body iron pin hole (213) is formed in each cushion pad (215) and is connected with a head end iron pin (41) in the head end clamping mechanism (4); and cushion pads (215) are arranged on two sides of the upper end surface and the lower end surface of the starboard connecting body (23), and starboard connecting body iron pin holes (214) are formed in the cushion pads (215) and are connected with a port iron pin in the port clamping mechanism (5).
6. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 2, characterized in that: the area of the opening of the head end clamping mechanism (4) on the pontoon main body (2) is larger than that of the tail end connecting body (21); the opening area of the port clamping mechanism (5) on the pontoon main body (2) is larger than the area of the starboard connecting body (23).
7. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 2, characterized in that: the tail end iron cable cabin (26) is used for accommodating an iron cable; the tail end iron cable hole (25) guides an iron cable; the iron cable is connected to the head end iron cable connector (210), and a motor is arranged in the tail end iron cable cabin (26) and used for retracting the iron cable to achieve head-to-tail traction of the floating bridge.
8. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 2, characterized in that: the starboard iron cable cabin (212) is used for storing iron cables; the starboard iron cable hole (211) guides an iron cable; the iron cable is connected to the port iron cable joint (22), and a motor is arranged in the starboard iron cable cabin (212) and used for retracting the iron cable to achieve traction on the side of the floating bridge.
9. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 2, characterized in that: in the head end clamping mechanism (4), a head end vertical hydraulic clamping column (42) vertically moves in the pontoon main body (2) and is used for clamping the tail end connecting body (21) in the vertical direction; the head end horizontal hydraulic clamping column (43) horizontally moves in the pontoon main body (2) and is used for clamping the tail end connecting body (21) in the horizontal direction; the structure of the port clamping mechanism (5) is consistent with that of the head end clamping mechanism (4).
10. A sea liftable pontoon with auxiliary docking and roll reducing means according to claim 2, characterized in that: a regular hexagon through hole is arranged on the net surface (31) of the damping net; the damping net hydraulic lifting column (32) is arranged in a damping net hydraulic lifting column support (27) in the floating bridge main body (2) and can push the damping net surface (31) to move up and down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231330.0A CN110952435B (en) | 2019-12-05 | 2019-12-05 | Offshore liftable pontoon bridge provided with auxiliary butt joint and anti-rolling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231330.0A CN110952435B (en) | 2019-12-05 | 2019-12-05 | Offshore liftable pontoon bridge provided with auxiliary butt joint and anti-rolling device |
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| CN110952435A true CN110952435A (en) | 2020-04-03 |
| CN110952435B CN110952435B (en) | 2021-04-06 |
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| CN110485257A (en) * | 2019-09-06 | 2019-11-22 | 姜立平 | It is a kind of can quick-assembling the bridge of boats and its assembling method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502020A (en) * | 2020-12-30 | 2021-03-16 | 江苏科技大学 | Wave-proof floating bridge module with combined wave-absorbing device |
| CN112502020B (en) * | 2020-12-30 | 2022-08-02 | 江苏科技大学 | Wave-proof floating bridge module with combined wave-absorbing device |
| CN113668360A (en) * | 2021-09-09 | 2021-11-19 | 江苏科技大学 | Rapid trestle building device suitable for near-shore soft-foundation mudflat transfer operation |
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| CN110952435B (en) | 2021-04-06 |
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