CN109778785A - A kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system - Google Patents
A kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system Download PDFInfo
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- CN109778785A CN109778785A CN201910185255.2A CN201910185255A CN109778785A CN 109778785 A CN109778785 A CN 109778785A CN 201910185255 A CN201910185255 A CN 201910185255A CN 109778785 A CN109778785 A CN 109778785A
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- 239000007853 buffer solution Substances 0.000 title claims description 20
- 230000003139 buffering effect Effects 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000002828 fuel tank Substances 0.000 claims description 7
- 210000000664 rectum Anatomy 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims 1
- 239000000872 buffer Substances 0.000 abstract description 19
- 238000006073 displacement reaction Methods 0.000 abstract description 17
- 238000013016 damping Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000013178 mathematical model Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 7
- 238000004088 simulation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses a kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer systems, including roller, cushion, guiding device and buffering hydraulic cylinder, and overflow valve, three position four-way directional control valve and the repairing check valve installed on the pipeline of buffering hydraulic cylinder.The present invention passes through the type selecting to system element, establish the mathematical model of ship collision anticollision device, collision-prevention device, and system emulation research is carried out, the influence of overflow valve pre compressed magnitude and ship equivalent mass to system buffer performance is finally obtained, the result shows that: overflow valve spring pre compressed magnitude increases, ship displacement and buffer time reduce, and cushion cylinder work cavity pressure increases, and spring pre compressed magnitude does not influence working chamber flow；Ship equivalent mass increases, and ship displacement and buffer time increase, and ship equivalent mass does not also influence cushion cylinder working chamber maximum pressure and maximum stream flow, to provide certain theoretical direction to improve ship berthing damping energy-absorbing technology.
Description
Technical field
The present invention relates to large ship berthing technical field, specially a kind of ship berthing anticollision device, collision-prevention device and hydraulic cushion system
System.
Background technique
During high speed large ship berthing, ship is larger to the impact force of harbour, easily to harbour and berthing device
It damages, therefore most important to the research of shipping anti-collision device.Fender has timber shield as main shipping anti-collision device
The side of a ship and rubber fender, the rubber ratio durability of wood is strong, not perishable, and service life is long, is widely used in harbour.
In recent years, passive anti-collision facility equally achieved large development, had adhesion type guard system, shell using more
It builds husky cofferdam guard system and floats netted guard system, and prospect preferably flexible energy-absorbing anti-impact facility, flexible energy-absorbing are anti-
Hitting makes pile crown horizontal displacement by the effect of ship impact force to consume berthing kinetic energy, it is desirable that high-grade steel and high quality weldering
It connects.
For the deficiency of traditional ship berthing anti-collision facility, hydraulic bounce anticollision device, collision-prevention device is applied, and the country emerges
A variety of hydraulic cushion damping ship side protectors mainly use hydraulic cylinder and trimmer valve as buffer element to the energy before ship berthing
It is absorbed.In existing technical solution, it is contemplated that impact force and stormy waves when ship berthing grind the active force of fender, design
A kind of hydraulic cushion ship side protector for making slowly to slow down when ship berthing by means of hydraulic damping is studied carefully.There are also consumed energy using hydraulic unloading
The Theoretical Design hydraulic anticollision device, collision-prevention device of ship berthing, based on ANSYS has carried out strength check to hydraulic cylinder；And by configuring liquid
Anti-collision system is pressed, solves the problems, such as that multi-purpose cargo ship is difficult to dock with drilling platforms under high sea sea situation.
Summary of the invention
The purpose of the present invention is to provide a kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer systems, have been substantially carried out shock
The calculating of power and the type selecting of hydraulic buffer system element, establish buffer system mathematical model, have been solved based on Simulink and are
System equation simultaneously carries out simulation study, analyzes anticollision hydraulic buffer system dynamic property, have studied under different overflow valve parameters and
System dynamic characteristic under different ship equivalent mass provides certain theory to improve ship berthing damping energy-absorbing technology and refers to
It leads, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of ship berthing anticollision device, collision-prevention device, including roller, cushion, guiding device and buffering hydraulic cylinder；The roller is simultaneously
Row is arranged in steel structure frame, and cushion is provided with below steel structure frame, and buffering hydraulic cylinder is installed in the lower section of cushion,
Guiding device is also symmetrically arranged at four ends angle of the steel structure frame.
The present invention provide another technical solution: a kind of hydraulic buffer system of ship berthing anticollision, including with steel construction
The buffering hydraulic cylinder of frame connection, it is unidirectional to be equipped with overflow valve, three position four-way directional control valve and repairing on the pipeline of buffering hydraulic cylinder
Valve；The another port of the overflow valve is also connected with three position four-way directional control valve, is also connected on the pipeline of three position four-way directional control valve
Oil pump is equipped with motor on oil pump, and is connected with fuel tank at the oil inlet port of oil pump, is communicated with repairing on the oil feed line of fuel tank
Check valve.
Preferably, there are four the buffering hydraulic cylinder settings, stroke selects l=1000mm, internal diameter of cylinder D=220mm, living
Stopper rod diameter d=160mm.
Preferably, the selection for nominal diameter of the overflow valve is determined according to buffering hydraulic cylinder instantaneous flow, and latus rectum selects 60mm.
Compared with prior art, the beneficial effects of the present invention are:
A kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system provided by the invention, by elaborating its work original
Reason, has carried out type selecting to system element, has established the mathematical model of ship collision anticollision device, collision-prevention device, based on Simulink system
System simulation study has obtained ship velocity of displacement change curve and buffering cylinder efficient cavity pressure-flow changing curve, finally
The influence of overflow valve pre compressed magnitude and ship equivalent mass to system buffer performance is gone out, simulation result shows: overflow valve spring
Pre compressed magnitude increases, and ship displacement and buffer time reduce, and cushion cylinder work cavity pressure increases, and spring pre compressed magnitude is to work
Making chamber flow does not influence；Ship equivalent mass increases, and ship displacement and buffer time increase, and ship equivalent mass is to buffering
Cylinder efficient chamber maximum pressure and maximum stream flow also do not influence, to provide centainly to improve ship berthing damping energy-absorbing technology
Theoretical direction.
Detailed description of the invention
Fig. 1 is anti-collision cushion structure figure of the invention；
Fig. 2 is hydraulic cushion schematic diagram of the invention；
Fig. 3 is ship berthing operating condition simplification figure of the invention；
Fig. 4 is piston stress analysis schematic diagram of the invention；
Fig. 5 is buffering hydraulic cylinder piston rod dynamic balance illustraton of model of the invention；
Fig. 6 is buffering hydraulic cylinder Flow continuity illustraton of model of the invention；
Fig. 7 is direct-acting overflow valve discharge model figure of the invention；
Fig. 8 is direct-acting overflow valve spool dynamic balance illustraton of model of the invention；
Fig. 9 is cushion cylinder working chamber pressure flow curve graph of the invention；
Figure 10 is ship velocity of displacement curve graph of the invention；
Figure 11 is the influence curve figure of overflow valve pre compressed magnitude of the invention to work cavity pressure；
Figure 12 is the influence curve figure of overflow valve pre compressed magnitude of the invention to working chamber flow；
Figure 13 is the influence curve figure that overflow valve pre compressed magnitude of the invention is displaced ship；
Figure 14 is the influence curve figure of overflow valve pre compressed magnitude of the invention to speed of the ship in metres per second；
Figure 15 is the influence curve figure of ship equivalent mass of the invention to work cavity pressure；
Figure 16 is the influence curve figure of ship equivalent mass of the invention to working chamber flow；
Figure 17 is the influence curve figure that ship equivalent mass of the invention is displaced ship；
Figure 18 is the influence curve figure of ship equivalent mass of the invention to speed of the ship in metres per second.
In figure: 1 roller, 2 cushions, 3 guiding devices, 4 buffering hydraulic cylinders, 5 steel structure frames, 6 overflow valves, 7 three four
Logical reversal valve, 8 repairing check valves, 9 oil pumps, 10 motors, 11 fuel tanks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention: a kind of ship berthing anticollision device, collision-prevention device is provided, including roller 1, cushion 2,
Guiding device 3 and buffering hydraulic cylinder 4；Roller 1 is disposed side by side in steel structure frame 5, and the lower section of steel structure frame 5 is provided with slow
Pad 2 is rushed, the lower section of cushion 2 installs buffering hydraulic cylinder 4, is also symmetrically arranged with guiding at four ends angle of steel structure frame 5
Stability, uniform force and mounting arrangements of berthing anti-collision cushion structure etc. can be improved in device 3, guiding device 3；Wherein, it rolls
Cylinder 1 be in order to avoided when berthing damage marine surface, cushion 2 divide into buffering hydraulic cylinder 4 absorb ship berthing when generate rush
Hit kinetic energy.
Referring to Fig. 2, in the embodiment of the present invention: a kind of hydraulic buffer system of ship berthing anticollision is also provided, including with
The buffering hydraulic cylinder 4 that steel structure frame 5 connects is equipped with overflow valve 6, three position four-way directional control valve 7 on the pipeline of buffering hydraulic cylinder 4
With repairing check valve 8；The another port of overflow valve 6 is also connected with three position four-way directional control valve 7, the pipeline of three position four-way directional control valve 7
On be also connected with oil pump 9, motor 10 is installed, and fuel tank 11 is connected at the oil inlet port of oil pump 9 on oil pump 9, fuel tank 11
Repairing check valve 8 is communicated on oil feed line.
Working principle are as follows: 1) before ship berthing, three position four-way directional control valve 7-1DT obtains the electric liquid exported in left position, oil pump 9
Pressure oil enters 4 rodless cavity of buffering hydraulic cylinder, after 4 piston of hydraulic cylinder to be buffered is fully extended, three position four-way directional control valve 7-1DT power loss
In middle position, buffer system is standby at this time；2) when ship berthing collides anti-skid device, ship kinetic energy indirectly-acting
In 4 piston rod of buffering hydraulic cylinder, piston rod is pushed to compress rodless cavity oil liquid, when rodless cavity pressure reaches opening for the setting of overflow valve 6
After opening pressure value, through 6 overflow of overflow valve, rodless cavity pressure reacts on piston and then generates damping force rodless cavity oil liquid, so that
Ship buffer deceleration is until stabilization is berthed, and after ship departure from port, control three position four-way directional control valve 7 adjusts buffering hydraulic cylinder 4 and resets.
In the above-described embodiments, there are four the settings of buffering hydraulic cylinder 4, and size type selecting is carried out to the buffering hydraulic cylinder 4:
The normal velocity v of speed of the ship in metres per second is only considered during ship berthing harbour0, its horizontal velocity is not considered, and Fig. 3 is ship berthing
When a kind of operating condition simplification figure (cut lean to pool angle be 10 °), ship major parameter: pleasure boat quality 5 × 107Kg, captain 220m,
Beam 30m, moldeed depth 20m absorb water 10m；According to " port engineering load code ", berthing normal velocity temporarily takes 0.1m/s；
In ship berthing, defining the energy absorbed by anticollision device, collision-prevention device is effective kinetic energy, according to " port engineering load is advised
Model ", the effective kinetic energy E of ship0Are as follows:
In formula, ρ0For effective kinetic energy coefficient, 0.7~0.8 is usually taken, temporarily takes 0.8 calculating；M is pleasure boat quality, kg；v0For by
Moor normal velocity, m/s；
It can be calculated by formula (1): E0=2 × 105J；
According to energy conversion principle, effective kinetic energy meets
In formula,For average impact force, N；δ is the total deformation of ship and anticollision device, collision-prevention device, m；
If each section deformation is flexible deformation, then averagely impact force can be found out by formula (3):
In formula, FmaxFor maximum impact force, N；
The total deformation of ship and anticollision device, collision-prevention device meets
δ=Fmax(C1+C2) (4)
In formula, C1For the elastic deformation coefficient of anticollision device, collision-prevention device, m/N；C2For the elastic deformation coefficient of ship, m/N；
Maximum impact force can be obtained by formula (2~4):
Relevant criterion is consulted, can use C1=7.84 × 10-8M/N, C2=0.88 × 10-8M/N (captain L=220m)；
F can then be obtainedmax=2.14 × 106N, this shock loading act on four buffering hydraulic cylinders 4, each buffer simultaneously
4 load F=53.5 × 10 of cylinder pressure3N；
Cushion cylinder internal diameter of cylinder D is calculated according to mechanical design handbook:
In formula, p is cushion cylinder work cavity pressure, temporarily takes p=15MPa；
Then D >=213mm chooses D=220mm.
That be subject to due to piston rod is pressure and 4 working chamber pressure p of buffering hydraulic cylinder > 7MPa, and rule of thumb piston rod is straight
Diameter d=0.7D=154mm chooses d=160mm, at this time cushion cylinder stroke l=1000mm.
In the above-described embodiments, the selection for nominal diameter of overflow valve 6 is determined according to 4 instantaneous flow of buffering hydraulic cylinder, it is assumed that outflow
All through 6 overflow of overflow valve, the maximum stream flow q of buffering course is calculated the flow of buffering hydraulic cylinder 4 by equation (7):
Then q ≈ 107.44L/min, tentatively selecting 6 latus rectum of overflow valve is 60mm.
In order to further illustrate hydraulic buffer system of the present invention, mathematical modeling is carried out to the buffer system:
Referring to Fig. 4, buffer is relative to water in order to be bonded buffer relatively may with pleasure boat surface
Certain angle δ is arranged in plane, and if Fig. 4 is piston stress analysis schematic diagram, wherein Mgsin δ is pleasure boat equivalent mass body along piston
Axial direction acts on the active force of piston: during ship collision buffering hydraulic cylinder 4, hydraulic cylinder piston meets dynamic balance
And Flow continuity: piston equilibrium equation is
In formula, M0For ship equivalent mass, M0=M/4, kg；X is piston displacement, m；P is work cavity pressure, N/m2；A is
Cushion dashpot piston area, Ap=π (D2-d2)/4, m2；B is piston damping coefficient, N/ms-1；FmaxFor maximum impact force, N；δ is
Buffer and horizontal line angle, °, temporarily take 5 °；F1For piston inertia power, N, since piston mass is relative to pleasure boat quality
It is smaller, it ignores here；
Working chamber Flow continuity equation is
In formula, q is working chamber flow, m3/s；V is working chamber real time volume in buffering course, V=A (l-x) V, m3；β is
Oil liquid elasticity modulus, MPa.
The oil liquid that buffering hydraulic cylinder 4 flows out enters overflow valve 6, and overflow valve 6 also meets dynamic balance and Flow continuity, overflow
The spool equilibrium equation of valve 6 is
In formula, m is spool quality, kg；x1For spool displacement, m；B0For spool damped coefficient, N/ms-1；K is that spring is rigid
Degree, N/m；x0For spring pre compressed magnitude, m.
The Flow continuity equation of overflow valve 6 is
In formula, CvFor restriction coefficient；D1For overflow valve base latus rectum, m；α is spool semi-cone angle, temporarily takes α=45 °；ρ is oil
Liquid density, kg/m3；Spool area A1=π D1x1sinα。
In order to further verify the technical effect of above-mentioned buffer system mathematical modeling, system emulation is carried out to it: according to
Buffer system mathematical model solves buffer system equation based on Simulink and carries out system emulation, simulation time 15s, step-length
0.001s, simulation parameter are arranged as shown in table 1 (having provided before partial parameters, repeat no more)；As Fig. 5~Fig. 8 be based on
The simulation model of Simulink, Fig. 5 are buffering hydraulic cylinder piston rod dynamic balance model, and Fig. 6 is buffering hydraulic cylinder Flow continuity
Model, Fig. 7 are direct-acting overflow valve discharge model, and Fig. 8 is direct-acting overflow valve spool dynamic balance model；
1 simulation parameter of table
System emulation result: it is emulated to obtain cushion cylinder working chamber pressure flow as shown in Figure 9 by initial parameter
Change curve and ship velocity of displacement change curve as shown in Figure 10；By Fig. 9 and Figure 10 it is found that in ship collision anticollision device, collision-prevention device
When, the work cavity pressure short time of buffering hydraulic cylinder 4 reaches 3.5MPa, and the working chamber flow short time reaches 230L/min；Ship system
Dynamic displacement is up to 0.5m, and speed is reduced to 0 time-consuming 10.5s (namely ship buffer time is 10.5s) from 0.1m/s, hits
In autonomous parking, working chamber pressure flow moment reaches maximum value, is reduced to 0 after to be impacted；During being somebody's turn to do, buffering hydraulic cylinder
4 working chamber flow moderating processes correspond to speed of the ship in metres per second and reduce process；Other parameters are constant, only 6 spring precompressed of regulation relief valve
Contracting amount (i.e. change 6 oil pressure relief value of overflow valve) is that 5mm, 6mm, 7mm and 8mm are emulated, and obtains overflow as shown in figure 11
6 pre compressed magnitude of valve is to the work influence curve of cavity pressure, 6 pre compressed magnitude of overflow valve as shown in figure 12 to the shadow of working chamber flow
Ring curve, the influence curve that 6 pre compressed magnitude of overflow valve be displaced ship as shown in fig. 13 that and overflow valve 6 as shown in figure 14 in advance
Influence curve of the decrement to speed of the ship in metres per second.
After ship berthing process, buffering hydraulic cylinder 4 works cavity pressure and flow and speed of the ship in metres per second is reduced to 0, and
Ship displacement reaches maximum value, therefore can be obtained by Figure 11~Figure 14: with the increase of overflow valve spring pre compressed magnitude, ship buffering
Time reduces, and Ship brake displacement reduces, and 4 working chamber maximum pressure of buffering hydraulic cylinder increases, and working chamber maximum stream flow is constant.
Other parameters are constant, and only changing ship equivalent mass is 2.0 × 107kg、1.5×107kg、1.25×107Kg and
1.0×107Kg is emulated, and obtains ship equivalent mass as shown in figure 15 to influence curve, such as Figure 16 of work cavity pressure
Shown in ship equivalent mass influence curve that working chamber flow, ship equivalent mass as shown in figure 17 are displaced ship and
The influence curve of ship equivalent mass as shown in figure 18 to speed of the ship in metres per second: it can be obtained by Figure 15~Figure 18: with ship equivalent mass
Increase, ship buffer time increases, and Ship brake displacement increases, 4 working chamber maximum pressure of buffering hydraulic cylinder and maximum stream flow
It is constant.
In summary: a kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system provided by the invention, by elaborating
The working principle of ship berthing anticollision hydraulic buffer system establishes ship collision anti-collision system mathematical model, and is
System emulation, has obtained 4 working chamber pressure flow change curve of ship velocity of displacement change curve and buffering hydraulic cylinder, has finally obtained
The affecting laws of overflow valve 6 pre compressed magnitude and ship equivalent mass to system performance, it may be assumed that
1) with the increase of overflow valve spring pre compressed magnitude, ship buffer time reduces, and Ship brake displacement reduces, buffer
4 working chamber maximum pressure of cylinder pressure increases, and working chamber maximum stream flow is constant.
2) with the increase of ship equivalent mass, ship buffer time increases, and Ship brake displacement increases, buffering hydraulic cylinder 4
Working chamber maximum pressure and maximum stream flow are constant, so that improving ship berthing damping energy-absorbing technology for the technical field provides one
Fixed theoretical direction.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system, which is characterized in that including roller (1), cushion (2), lead
To device (3) and buffering hydraulic cylinder (4)；The roller (1) is disposed side by side in steel structure frame (5), steel structure frame (5)
Lower section is provided with cushion (2), and buffering hydraulic cylinder (4) are installed in the lower section of cushion (2), in the steel structure frame (5)
Four ends are also symmetrically arranged with guiding device (3) at angle.
2. a kind of ship berthing anticollision device, collision-prevention device according to claim 1 and hydraulic buffer system, it is characterised in that: including with
The buffering hydraulic cylinder (4) of steel structure frame (5) connection is equipped with overflow valve (6), three four on the pipeline of buffering hydraulic cylinder (4)
Logical reversal valve (7) and repairing check valve (8)；The another port of the overflow valve (6) is also connected with three position four-way directional control valve (7),
It is also connected with oil pump (9), is equipped on oil pump (9) motor (10) on the pipeline of three position four-way directional control valve (7), and oil pump (9)
It is connected at oil inlet port fuel tank (11), repairing check valve (8) is communicated on the oil feed line of fuel tank (11).
3. a kind of ship berthing anticollision device, collision-prevention device according to claim 2 and hydraulic buffer system, it is characterised in that: described slow
There are four fliud flushing cylinder pressure (4) settings, and stroke selects l=1000mm, internal diameter of cylinder D=220mm, diameter of piston rod d=160mm.
4. a kind of ship berthing anticollision device, collision-prevention device according to claim 2 and hydraulic buffer system, it is characterised in that: described to overflow
The selection for nominal diameter for flowing valve (6) determines that latus rectum selects 60mm according to buffering hydraulic cylinder (4) instantaneous flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910185255.2A CN109778785A (en) | 2019-03-12 | 2019-03-12 | A kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system |
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| CN201910185255.2A CN109778785A (en) | 2019-03-12 | 2019-03-12 | A kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169604A (en) * | 2020-01-16 | 2020-05-19 | 上海交通大学 | A sway tilting fender device for floating support installation |
| CN111746720A (en) * | 2020-07-10 | 2020-10-09 | 重庆交通大学 | Ship tunnel navigation auxiliary system |
| CN111762283A (en) * | 2020-07-10 | 2020-10-13 | 重庆交通大学 | Tunnel channel ship passing control method |
| CN114703806A (en) * | 2022-04-13 | 2022-07-05 | 广东海洋大学 | Intelligent wharf mooring system for ship |
| CN116204991A (en) * | 2023-05-05 | 2023-06-02 | 长江勘测规划设计研究有限责任公司 | Design calculation method for ship lift steel wire rope-buffer oil cylinder anti-collision device |
| CN116522672A (en) * | 2023-05-19 | 2023-08-01 | 中国人民解放军海军工程大学 | Optimization method of oil cylinder buffer mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130015332A (en) * | 2011-08-03 | 2013-02-14 | 한국과학기술원 | Active type rolling fender with considering hull form of vessel |
| CN106759122A (en) * | 2017-03-10 | 2017-05-31 | 浙江国际海运职业技术学院 | Ship berthing anticollision damping device |
| CN107719596A (en) * | 2017-09-29 | 2018-02-23 | 中国冶集团有限公司 | Shipping anti-collision hits bridge pier device |
| CN108060657A (en) * | 2018-01-15 | 2018-05-22 | 张子和 | A kind of steamer, which berths, uses collision proof device for wharf |
| CN209686341U (en) * | 2019-03-12 | 2019-11-26 | 江苏航运职业技术学院 | A kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system |
-
2019
- 2019-03-12 CN CN201910185255.2A patent/CN109778785A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130015332A (en) * | 2011-08-03 | 2013-02-14 | 한국과학기술원 | Active type rolling fender with considering hull form of vessel |
| CN106759122A (en) * | 2017-03-10 | 2017-05-31 | 浙江国际海运职业技术学院 | Ship berthing anticollision damping device |
| CN107719596A (en) * | 2017-09-29 | 2018-02-23 | 中国冶集团有限公司 | Shipping anti-collision hits bridge pier device |
| CN108060657A (en) * | 2018-01-15 | 2018-05-22 | 张子和 | A kind of steamer, which berths, uses collision proof device for wharf |
| CN209686341U (en) * | 2019-03-12 | 2019-11-26 | 江苏航运职业技术学院 | A kind of ship berthing anticollision device, collision-prevention device and hydraulic buffer system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169604A (en) * | 2020-01-16 | 2020-05-19 | 上海交通大学 | A sway tilting fender device for floating support installation |
| CN111746720A (en) * | 2020-07-10 | 2020-10-09 | 重庆交通大学 | Ship tunnel navigation auxiliary system |
| CN111762283A (en) * | 2020-07-10 | 2020-10-13 | 重庆交通大学 | Tunnel channel ship passing control method |
| CN111746720B (en) * | 2020-07-10 | 2022-03-08 | 重庆交通大学 | Ship tunnel navigation auxiliary system |
| CN114703806A (en) * | 2022-04-13 | 2022-07-05 | 广东海洋大学 | Intelligent wharf mooring system for ship |
| CN114703806B (en) * | 2022-04-13 | 2023-12-08 | 广东海洋大学 | Intelligent wharf mooring system for ship |
| CN116204991A (en) * | 2023-05-05 | 2023-06-02 | 长江勘测规划设计研究有限责任公司 | Design calculation method for ship lift steel wire rope-buffer oil cylinder anti-collision device |
| CN116522672A (en) * | 2023-05-19 | 2023-08-01 | 中国人民解放军海军工程大学 | Optimization method of oil cylinder buffer mechanism |
| CN116522672B (en) * | 2023-05-19 | 2024-04-02 | 中国人民解放军海军工程大学 | Optimization method of oil cylinder buffer mechanism |
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