Ship berthing anti-collision device with hydraulic buffer system
By designing a ship berthing anti-collision device with hydraulic buffering system, using pressure sensors and hydraulic circuit technology to monitor and buffer berthing pressure in real time, the problem of large high-speed ships with large impact forces on the docks has been solved, the degree of automation and response capabilities have been improved, and the cost has been reduced and efficiency has been improved.
Patent Information
- Application Number
- CN202421627201.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-10
AI Technical Summary
During the berthing of large high-speed ships, the ship's impact force on the wharf is relatively large, which is easy to cause damage to the wharf and berthing devices. The existing anti-collision devices are low in degree of automation and cannot effectively deal with the impact force of ships with different tonnages.
A ship berthing anti-collision device with a hydraulic buffer system is designed, including a hydraulic system base, a hydraulic buffer system, a control panel, a guide support column, a static anti-collision mechanism support plate and a static anti-collision mechanism. By installing a pressure sensor under the static anti-collision mechanism, the berthing pressure is monitored in real time, and a hydraulic circuit is formed through the hydraulic cylinder and the three-position four-way reversing valve, and the fluid extraction speed and liquid discharge speed of the hydraulic pump are adjusted to buffer the berthing pressure.
Effectively absorb and buffer the impact force of ships when berthing, reduce damage to the docks and berthing devices, improve the degree of automation and the ability to deal with ships of different tonnages, reduce the cost of use and improve the docks berthing efficiency.
Smart Images
Figure CN222742891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of large ship berthing, in particular to a ship berthing anti-collision device with a hydraulic buffer system. Background Art
[0002] During the berthing process of large high-speed ships, the impact force of the ship on the dock is relatively large, which can easily cause damage to the dock and berthing equipment. Therefore, research on ship anti-collision devices is extremely important.
[0003] Anti-collision devices are divided into passive anti-collision devices and active anti-collision devices. The more commonly used passive anti-collision devices include attached protection systems, thin-shell sand cofferdam protection systems and floating mesh protection systems. Passive anti-collision devices and facilities do not take into account differences in ship tonnage, have fixed buffer loads, and have a low degree of automation.
[0004] In view of the shortcomings of traditional ship berthing anti-collision facilities, active anti-collision devices: hydraulic buffer anti-collision devices have been applied, mainly using hydraulic cylinders and buffer valves as buffer elements to absorb the energy before the ship berths. The pressure of the hydraulic cylinder is controllable, and the reaction force can be adjusted according to the inertia force of the ship. Utility Model Content
[0005] The utility model aims to provide a ship berthing anti-collision device with a hydraulic buffer system to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ship berthing anti-collision device with a hydraulic buffer system, comprising a hydraulic system base, a hydraulic buffer system, a control panel, a guide support column, a static anti-collision mechanism support plate and a static anti-collision mechanism; the hydraulic system base is fixed to the outside of the ship's side, a hydraulic buffer system is fixed at the center of the hydraulic system base, the hydraulic buffer system is connected to a control panel, a static anti-collision mechanism support plate is fixed on the top of the hydraulic buffer system, guide support columns are fixed around the static anti-collision mechanism support plate and the hydraulic system base, and a static anti-collision mechanism is fixed outside the static anti-collision mechanism support plate.
[0007] As a preferred embodiment of the utility model, the hydraulic buffer system includes a support plate, a hydraulic cylinder, a three-position four-way reversing valve, a liquid pump and a hydraulic oil tank; one end of the support plate is fixed to the inner side of the static anti-collision mechanism support plate, and the other end is fixed to the hydraulic cylinder, the liquid inlet and outlet of the hydraulic cylinder are connected to the three-position four-way reversing valve, the side of the three-position four-way reversing valve away from the hydraulic cylinder is connected to the hydraulic oil tank, a liquid pump is arranged on a pipe connecting the hydraulic oil tank and the three-position four-way reversing valve, and the three-position four-way reversing valve and the liquid pump are electrically connected to the control panel.
[0008] As a preferred embodiment of the present invention, a pressure sensor is provided between the support plate and the static anti-collision mechanism support plate, and the pressure sensor is electrically connected to the control panel.
[0009] As a preferred embodiment of the utility model, an overflow valve is provided on the pipeline between the lower liquid outlet of the hydraulic cylinder and the hydraulic oil tank, and an oil replenishment one-way valve is provided on the pipeline between the upper liquid inlet of the hydraulic cylinder and the hydraulic oil tank.
[0010] As a preferred embodiment of the present invention, the four interfaces of the three-position four-way reversing valve are respectively connected to the lower liquid outlet of the hydraulic cylinder, the upper liquid inlet of the hydraulic cylinder, the hydraulic oil tank, and the liquid pump.
[0011] As a preferred embodiment of the utility model, the static anti-collision mechanism includes an anti-collision frame, a roller and a rubber buffer pad; the roller is fixed in the anti-collision frame, the anti-collision frame is fixed on the rubber buffer pad, and the rubber buffer pad is fixed on the outer surface of the static anti-collision mechanism support plate.
[0012] As a preferred embodiment of the present invention, a layer of rubber pad is provided on the surface of the roller.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] The utility model installs a pressure sensor under the static anti-collision mechanism. During the berthing process of the ship, the berthing impact force is absorbed by the outer static anti-collision mechanism and then transferred to the static anti-collision mechanism support plate. The pressure sensor detects the pressure and feeds back the pressure value to the control panel. The control panel feeds back the real-time berthing pressure and adjusts the liquid outlet speed of the three-position four-way reversing valve and the liquid pumping speed of the hydraulic pump according to the pressure, so that the berthing pressure is buffered, the hydraulic device is used to compensate the berthing pressure, and the berthing pressure is monitored through the feedback system.
[0015] The utility model connects a three-position four-way reversing valve behind the hydraulic cylinder, and the four interfaces of the three-position four-way reversing valve are respectively connected to the lower liquid outlet of the hydraulic cylinder, the upper liquid inlet of the hydraulic cylinder, the hydraulic oil tank and the liquid pumping pump. During the berthing process of the ship, the hydraulic cylinder piston rod is pushed inward by the impact force, and the control panel controls the three-position four-way reversing valve to connect the lower liquid outlet of the hydraulic cylinder with the hydraulic oil tank, and the upper liquid inlet of the hydraulic cylinder with the liquid pumping pump. The hydraulic oil in the lower working chamber of the hydraulic cylinder flows into the hydraulic oil tank through the lower liquid outlet of the hydraulic cylinder, and the hydraulic oil in the hydraulic oil tank is pumped out by the liquid pump and flows back to the upper working chamber of the hydraulic cylinder through the upper liquid inlet of the hydraulic cylinder. cavity, forming a hydraulic circuit to offset the berthing impact force; after the ship leaves the port, the control panel controls the three-position four-way reversing valve to connect the upper liquid inlet of the hydraulic cylinder with the hydraulic oil tank, and the lower liquid outlet of the hydraulic cylinder with the pumping pump, and the pumping pump draws the hydraulic oil out through the lower liquid outlet of the hydraulic cylinder and inputs it into the lower working cavity of the hydraulic cylinder, pushing the hydraulic cylinder piston rod outward, and the hydraulic oil in the upper working cavity of the hydraulic cylinder flows back to the hydraulic oil tank along the upper liquid inlet of the hydraulic cylinder, completing another hydraulic circuit and restoring the hydraulic anti-collision system; the hydraulic anti-collision system can be reused, thereby improving the efficiency of dock berthing and reducing the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the planar structure of the hydraulic system of the utility model in the working state when berthing;
[0017] Figure 2 It is an enlarged planar structural diagram of the three-position four-way reversing valve of the utility model when berthing;
[0018] Figure 3 It is a planar structural diagram of the hydraulic system of the utility model in the working state when leaving the port;
[0019] Figure 4 It is an enlarged plan view of the structure of the three-position four-way reversing valve of the utility model when leaving a port.
[0020] In the figure: 1. Hydraulic system base; 2. Hydraulic buffer system; 201. Support plate; 202. Hydraulic cylinder; 203. Three-position four-way reversing valve; 204. Liquid pump; 205. Hydraulic oil tank; 206. Pressure sensor; 207. Overflow valve; 208. Oil replenishment check valve; 3. Control panel; 4. Guide support column; 5. Static anti-collision mechanism support plate; 6. Static anti-collision mechanism; 601. Anti-collision frame; 602. Roller; 603. Rubber buffer pad; 604. Rubber pad. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] like Figures 1 to 4 As shown, the utility model provides a ship berthing anti-collision device with a hydraulic buffer system, comprising a hydraulic system base 1, a hydraulic buffer system 2, a control panel 3, a guide support column 4, a static anti-collision mechanism support plate 5 and a static anti-collision mechanism 6; the hydraulic system base 1 is fixed to the outside of the ship's side, the hydraulic buffer system 2 is fixed at the center of the hydraulic system base 1, the hydraulic buffer system 2 is connected to the control panel 3, the static anti-collision mechanism support plate 5 is fixed on the top of the hydraulic buffer system 2, guide support columns 4 are fixed around the static anti-collision mechanism support plate 5 and the hydraulic system base 1, and the static anti-collision mechanism 6 is fixed outside the static anti-collision mechanism support plate 5.
[0023] refer to Figure 1-4 A pressure sensor 206 is provided between the support plate 201 and the static anti-collision mechanism support plate 5 , and the pressure sensor 206 is electrically connected to the control panel 3 .
[0024] By installing a pressure sensor 206 under the static anti-collision mechanism 6, during the berthing process of the ship, the berthing impact force is absorbed by the outer static anti-collision mechanism 6 and then transferred to the static anti-collision mechanism support plate 5. The pressure sensor 206 detects the pressure and feeds back the pressure value to the control panel 3. The control panel 3 feeds back the real-time berthing pressure and adjusts the liquid outlet speed of the three-position four-way reversing valve 203 and the liquid pumping speed of the hydraulic pump 204 according to the pressure, so that the berthing pressure is buffered, the berthing pressure is compensated by the hydraulic device, and the berthing pressure is monitored through the feedback system.
[0025] refer to Figure 1-4 The four interfaces of the three-position four-way reversing valve 203 are respectively connected to the lower liquid outlet of the hydraulic cylinder 202, the upper liquid inlet of the hydraulic cylinder 202, the hydraulic oil tank 205, and the liquid pump 204.
[0026] By connecting a three-position four-way reversing valve 203 behind the hydraulic cylinder 202, the four interfaces of the three-position four-way reversing valve 203 are respectively connected to the lower liquid outlet of the hydraulic cylinder 202, the upper liquid inlet of the hydraulic cylinder 202, the hydraulic oil tank 205 and the liquid pump 204. During the berthing process of the ship, the piston rod of the hydraulic cylinder 202 is pushed inward by the impact force, and the control panel 3 controls the three-position four-way reversing valve 203 to connect the lower liquid outlet of the hydraulic cylinder 202 with the hydraulic oil tank 205, and the upper liquid inlet of the hydraulic cylinder 202 with the liquid pump 204. The hydraulic oil in the lower working chamber of the hydraulic cylinder 202 flows into the hydraulic oil tank 205 through the lower liquid outlet of the hydraulic cylinder 202, and the hydraulic oil in the hydraulic oil tank 205 is pumped out by the liquid pump 204 and flows back to the upper liquid inlet of the hydraulic cylinder 202. The upper working chamber of the hydraulic cylinder 202 forms a hydraulic circuit to offset the berthing impact force; after the ship leaves the port, the control panel 3 controls the three-position four-way reversing valve 203 to connect the upper liquid inlet of the hydraulic cylinder 202 with the hydraulic oil tank 205, and the lower liquid outlet of the hydraulic cylinder 202 with the liquid pump 204, and the liquid pump 204 extracts the hydraulic oil through the lower liquid outlet of the hydraulic cylinder 202 and inputs it into the lower working chamber of the hydraulic cylinder 202, pushing the piston rod of the hydraulic cylinder 202 outward, and the hydraulic oil in the upper working chamber of the hydraulic cylinder 202 flows back to the hydraulic oil tank 205 along the upper liquid inlet of the hydraulic cylinder 202, completing another hydraulic circuit and restoring the hydraulic anti-collision system; the hydraulic anti-collision system can be reused, thereby improving the berthing efficiency of the dock and reducing the use cost.
[0027] The working principle and use process of the utility model are as follows: before the ship berths at the port, the control panel 3 controls the hydraulic anti-collision system to be turned on, the control panel 3 controls the three-position four-way reversing valve 203 to connect the upper liquid inlet of the hydraulic cylinder 202 with the hydraulic oil tank 205, and the lower liquid outlet of the hydraulic cylinder 202 with the pumping pump 204, the pumping pump 204 extracts the hydraulic oil through the lower liquid outlet of the hydraulic cylinder 202 and inputs it into the lower working chamber of the hydraulic cylinder 202, so that the outward ejection stroke of the piston rod of the hydraulic cylinder 202 reaches the maximum value; when the ship berths, the roller 602 on the static anti-collision mechanism 6 collides and contacts with the outer edge of the dock, and the rolling of the roller 602 offsets the force in the forward direction of the ship, and the remaining berthing pressure perpendicular to the forward direction is absorbed by the rubber buffer pad 603 and transferred to the static anti-collision mechanism support plate 5, the pressure sensor 206 detects the pressure and feeds back the pressure value to the control panel 3, the piston rod of the hydraulic cylinder 202 is pushed inward by the impact force, and the control panel 3 controls the three-position four-way reversing valve 203 to turn the hydraulic cylinder 20 2 is connected to the hydraulic oil tank 205, and the upper liquid inlet of the hydraulic cylinder 202 is connected to the liquid pump 204. The hydraulic oil in the lower working chamber of the hydraulic cylinder 202 flows into the hydraulic oil tank 205 through the lower liquid outlet of the hydraulic cylinder 202. The hydraulic oil in the hydraulic oil tank 205 is pumped out by the liquid pump 204 and flows back to the upper working chamber of the hydraulic cylinder 202 through the upper liquid inlet of the hydraulic cylinder 202, forming a hydraulic circuit to offset the berthing impact force. After the ship leaves the port, the control panel 3 controls the three-position four-way reversing valve 203 to transfer the hydraulic oil to the hydraulic oil tank 205. The upper liquid inlet of the hydraulic cylinder 202 is connected to the hydraulic oil tank 205, and the lower liquid outlet of the hydraulic cylinder 202 is connected to the liquid pump 204. The liquid pump 204 draws the hydraulic oil out through the lower liquid outlet of the hydraulic cylinder 202 and inputs it into the lower working chamber of the hydraulic cylinder 202, pushing the piston rod of the hydraulic cylinder 202 outward, and the hydraulic oil in the upper working chamber of the hydraulic cylinder 202 flows back to the hydraulic oil tank 205 along the upper liquid inlet of the hydraulic cylinder 202, completing another hydraulic circuit, restoring the hydraulic anti-collision system, and completing the entire berthing and anti-collision process.
[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A ship berthing anti-collision device with a hydraulic buffer system, characterized in that: The invention comprises a hydraulic system base (1), a hydraulic buffer system (2), a control panel (3), a guide support column (4), a static anti-collision mechanism support plate (5) and a static anti-collision mechanism (6); the hydraulic system base (1) is fixed on the outer side of the ship's side, the hydraulic buffer system (2) is fixed at the center of the hydraulic system base (1), the hydraulic buffer system (2) is connected to the control panel (3), the static anti-collision mechanism support plate (5) is fixed on the top of the hydraulic buffer system (2), the guide support columns (4) are fixed around the static anti-collision mechanism support plate (5) and the hydraulic system base (1), and the static anti-collision mechanism (6) is fixed outside the static anti-collision mechanism support plate (5); The hydraulic buffer system (2) comprises a support plate (201), a hydraulic cylinder (202), a three-position four-way reversing valve (203), a liquid pump (204) and a hydraulic oil tank (205); one end of the support plate (201) is fixed to the inner side of the static anti-collision mechanism support plate (5), and the other end is fixed to the hydraulic cylinder (202); a liquid inlet and a liquid outlet of the hydraulic cylinder (202) are connected to the three-position four-way reversing valve (203); the three-position four-way reversing valve (203) is away from the hydraulic A hydraulic oil tank (205) is connected to one side of the cylinder (202); a liquid pump (204) is provided on a pipeline connecting the hydraulic oil tank (205) and the three-position four-way reversing valve (203); the three-position four-way reversing valve (203), the liquid pump (204) and the control panel (3) are electrically connected; a pressure sensor (206) is provided between the support plate (201) and the static anti-collision mechanism support plate (5); and the pressure sensor (206) is electrically connected to the control panel (3).
2. A ship berthing and anti-collision device with a hydraulic buffer system according to claim 1, characterized in that: An overflow valve (207) is provided on the pipeline between the lower liquid outlet of the hydraulic cylinder (202) and the hydraulic oil tank (205), and an oil replenishment check valve (208) is provided on the pipeline between the upper liquid inlet of the hydraulic cylinder (202) and the hydraulic oil tank (205).
3. The ship berthing and anti-collision device with a hydraulic buffer system according to claim 1, characterized in that: The four interfaces of the three-position four-way reversing valve (203) are respectively connected to the lower liquid outlet of the hydraulic cylinder (202), the upper liquid inlet of the hydraulic cylinder (202), the hydraulic oil tank (205), and the liquid pump (204).
4. The ship berthing and anti-collision device with a hydraulic buffer system according to claim 1, characterized in that: The static anti-collision mechanism (6) comprises an anti-collision frame (601), a roller (602) and a rubber buffer pad (603); the roller (602) is fixed in the anti-collision frame (601), the anti-collision frame (601) is fixed on the rubber buffer pad (603), and the rubber buffer pad (603) is fixed on the outer surface of the static anti-collision mechanism support plate (5).
5. A ship berthing and anti-collision device with a hydraulic buffer system according to claim 4, characterized in that: A layer of rubber pad (604) is provided on the surface of the roller (602).