CN103129837A - Protective device used for draught fan marine transportation and transportation installation system including the same - Google Patents
Protective device used for draught fan marine transportation and transportation installation system including the same Download PDFInfo
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- CN103129837A CN103129837A CN2011103889131A CN201110388913A CN103129837A CN 103129837 A CN103129837 A CN 103129837A CN 2011103889131 A CN2011103889131 A CN 2011103889131A CN 201110388913 A CN201110388913 A CN 201110388913A CN 103129837 A CN103129837 A CN 103129837A
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- 230000001681 protective effect Effects 0.000 title abstract description 6
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Abstract
The invention discloses a protective device used for draught fan complete machine marine transportation and used for preventing collision and reducing swing and a draught fan marine transportation installation system including the protective device. The system comprises a transportation installation vessel and a lifting system arranged on the transportation installation vessel and used for lifting and fixing a draught fan, the lifting system comprises a tower and a platform arranged on the tower, one side of the platform is provided with an opening part, a tower barrel of the draught fan passes through the opening part and enters the interior of a space of the platform, the protective device is arranged between the platform and the tower barrel of the draught fan, and the protective device comprises a plurality of air bags which are arranged between the platform and the tower barrel of the draught fan and contact the tower barrel in an extruding mode. Thus, contact and the collision between the drought fan and the lifting system can be avoided, and sway of the transportation installation vessel can be reduced during a draught fan marine transportation and installation process.
Description
Technical field
The present invention relates to a kind of fender guard of blower fan transportation and comprise its transportation installation system; especially a kind ofly be used for preventing from colliding and alleviating the fender guard that waves for the marine complete machine transportation of blower fan, and the blower fan seat transport installation system that comprises this fender guard.
Background technology
Wind-power electricity generation more and more has been subject to the attention of each major industrial country of the world as a kind of clean energy resource, and has in the past decade obtained increasingly extensive development and utilization.Wherein, very abundant and marine wind electric field construction does not take land area due to the Oversea wind resource, so offshore wind farm becomes an important development direction of wind power generation field day by day.
Yet although offshore wind farm has a high potential, its running environment compares that land wind-powered electricity generation is more complicated, and technical requirements is higher, and difficulty of construction is larger.At first, the key point that the reliability at present stage blower fan sea has become offshore wind farm whether to succeed in developing, marine wind electric field is very high to the reliability requirement of unit, so the unit somewhat expensive; Secondly, the transportation at blower fan sea, to install be also a difficult problem, and the maintenance of unit is also difficult point; In addition, the general wind-force in the zone that blower fan is installed is larger, and installation environment is abominable.These difficult problems mean blower fan in transportation, installation process, and the detail protection that should be noted that is particularly important.Wherein, how blower fan is fixed with hull and hull auxiliaries thereof, the generally acknowledged most reasonable approach is not yet arranged, the general mode that rigidly fixes that generally adopts, the devices such as soon blower fan and hull employing clip tightly link together, and guarantee that blower fan can be along with wave waves and bumps with hull and destroyed.
For example, on June 16th, 2010, No. 200810111711.0 Chinese invention patent of bulletin namely disclosed a kind of method that blower fan offshore integral is transported safely, wherein the fixed form of blower fan is, after the blower fan that will comprise tower cylinder and internal electric equipment is assembled into an integral body, by lift-on and lift-off ship, it is lifted on the deck, and its bottom is welded and fixed with the deck.No. 201010532018.8 Chinese invention patent application that is published on April 27th, 2011 disclosed a kind of blower fan seat transport, erecting stage, be provided with a plurality of fixed mounts of locating blower fan for fixing on this platform, each fixed mount is set to portal structures, comprises a pair of leg that is fixed on platform and crossbearer at the crossbeam on leg top.Wherein, be provided with at the middle part of crossbeam and shield and sustain parts, describedly shield and sustain that parts are provided with open-and-close mechanism in order to the tower cylinder of blower fan is held tightly fixing or unclamped.Also describing described concrete structure of shielding and sustain the open-and-close mechanism of parts in this patent application in detail forms.Utilize described fixed mount, can with the blower fan strong fix on transportation, erecting stage, improve the stability of seat transport process blower fan.
Yet, rigidly fixing between the blower fan that prior art adopts and shipping platform or hull loop wheel machine tends to cause blower fan itself to be subject to the effect of internal stress, if and the intensity of fixed mechanism parts own is low can easily be destroyed, if itself intensity height the particularly tower cylinder of blower fan body that easily collides, weares and teares.And, rigidly fix and mean blower fan and shipping platform or hull have been formed larger, a higher hull structure, require a major challenge and difficult point beyond doubt for Stability of Ship like this.Therefore to how to improve and the Stability of Ship that changes disappearance generally has two kinds of known ways: the first, additionally increase the stability index of boats and ships at design phase; The second, thus the structure or the device that change or increase hull itself increase Stability of Ship.These two kinds of known method costs are all very high, and technical elements exists many complexity and difficulty.Therefore, seek better blower fan and shipping platform or hull and equipment connection the location mode seem particularly important.
Summary of the invention
One of purpose of the present invention is to provide a kind of blower fan seaborne fender guard, to reduce blower fan transportation, erecting stage or the boats and ships stress to hull and loop wheel machine generation when transporting blower fan and basis thereof, avoids the collision between rigid construction.
Another purpose of the present invention is to provide a kind of blower fan seaborne fender guard; to reduce blower fan waving transportation, erecting stage or boats and ships generation in blower fan seat transport, installation process; and avoid as far as possible blower fan in the adverse effect of transportation to the stability of hull own, strengthen the safety in blower fan and basic transportation at sea thereof.
A further object of the present invention is to provide a kind of blower fan seat transport installation system that waves that can effectively avoid the collision of blower fan and reduce blower fan seat transport, installation process transport installation ship.
To achieve these goals, the present invention proposes following technical scheme:
The seaborne fender guard of a kind of blower fan, it comprises a plurality of air bags on the platform of the tackling system that is arranged on the blower fan transport installation ship, described a plurality of air bags are arranged between the tower cylinder of described platform and described blower fan and contact with described tower cylinder extruding.
Further, the seaborne fender guard of blower fan provided by the invention, wherein said a plurality of air bags are arranged on the opening inboard of described platform, and be parallel with the truss horizontal surface that consists of described platform.
Further, the seaborne fender guard of blower fan provided by the invention, wherein said fender guard also comprise for the air-bag support that supports fixation balloon, the described air-bag support location that is connected with the truss of described platform.
Further, the seaborne fender guard of blower fan provided by the invention, wherein said fender guard comprise that also air bag pricks band, and described each air bag is tied up by a pair of bundle band, and respectively prick band and be set to be connected to a fixed with air-bag support.
Further, the seaborne fender guard of blower fan provided by the invention is joined together by the air bag attaching parts between adjacent cells in wherein said a plurality of air bags, to increase its fastening to the tower cylinder.
Further, the seaborne fender guard of blower fan provided by the invention, wherein said air bag are set to the suitable shape of ellipse or the shape of a hoof or other.
the present invention also provides a kind of blower fan transportation installation system, it comprises transport installation ship and is arranged on the tackling system that is used for lifting and fixing described blower fan on described ship, described tackling system comprises pylon and the platform that is arranged on pylon, described platform is set to have in the one side the non-closed construction of peristome, the tower cylinder of blower fan can enter by described peristome the interior volume of described platform, be provided with fender guard between the tower cylinder of described platform and blower fan, described fender guard comprises between the tower cylinder that is arranged on described platform and described blower fan and a plurality of air bags that contact with described tower cylinder extruding.
Further, blower fan transportation installation system provided by the invention, wherein said tackling system comprises top pylon, bottom pylon, the first platform, the second platform, limiting component, fixed pulley group, running block, leading sheave, power hoisting device and control setup.
Further, blower fan transportation installation system provided by the invention, wherein said bottom pylon is fixedly installed on the deck of transport installation ship, the setting of described upper column frame above it, described the first platform is arranged on pylon upper end, top, and the second platform is arranged between top pylon and bottom pylon.
Further, blower fan transportation installation system provided by the invention, wherein said a plurality of air bags are arranged on the opening inboard of described the first platform, and are parallel with the truss horizontal surface that consists of described the first platform.
Further, blower fan provided by the invention transportation installation system, wherein said fender guard also comprise for the air-bag support that supports fixation balloon, the described air-bag support location that is connected with the truss of described platform.
Further, blower fan provided by the invention transportation installation system, wherein said fender guard comprise that also air bag pricks band, and described each air bag is tied up by a pair of bundle band, and respectively prick band and be set to be connected to a fixed with air-bag support.
Further, blower fan provided by the invention transportation installation system is joined together by the air bag attaching parts between the adjacent cells in wherein said a plurality of air bags, to increase its fastening to the tower cylinder.
Further, blower fan transportation installation system provided by the invention, wherein said air bag is set to the suitable shape of ellipse or the shape of a hoof or other.
as mentioned above, technical scheme of the present invention has adopted the low air bag of cost compare as the major part of fender guard, not only fixed blower fan, also avoided blower fan to contact with the direct of tackling system, avoided collision, in addition, transport installation ship runs into the external load of unexpected effect in the process of transportation blower fan, air bag can play good buffer action, offset external force to the blower fan work, prevent huge internal stress and make the structure generation surrender, and hull does not need additionally to increase the generation that other antirolling apparatuss guarantee stability and prevent the high spud angle phenomenon in the process of transportation blower fan, guarantee the safety traffic of boats and ships and smooth transportation and the installation of blower fan.
Description of drawings
Fig. 1 is the front schematic view of the blower fan seat transport erecting stage of enforcement technical solution of the present invention.
Fig. 2 is the side partial schematic diagram of the blower fan seat transport erecting stage of enforcement technical solution of the present invention.
Fig. 3 is fender guard of the present invention and the matching relationship schematic diagram that transports erecting stage and blower fan.
Fig. 4 is the organigram of fender guard of the present invention.
Fig. 5 is the mechanical relationship schematic diagram of implementing technical scheme of the present invention, wherein symbolic representation:
G: blower fan deadweight; T
1, T
2: the internal stress of hull to blower fan; F
1, F
2: the lift that suspension hook provides; W
1, W
2: blast load; Z: external load.
Element numbers in figure represents.
| 1 | |
2 | The |
| 3 | The |
4 | The |
| 5 | The |
6 | The second platform |
| 7 | Blower |
8 | The |
| 9 | The |
10 | Sole |
| 11 | Fender |
12 | The |
| 13 | |
14 | |
| 15 | |
16 | Rope |
| 17 | |
18 | |
| 19 | |
20 | |
| 21 | Operator's |
22 | The running |
| 23 | Stair | ? | ? |
| 25 | The power |
26 | |
| 27 | The |
110 | |
| 112 | Air- |
114 | Air bag is pricked |
| 116 | The air bag attaching parts | ? | ? |
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
Easily understand, according to technical scheme of the present invention, do not changing under connotation of the present invention, one of ordinary skill in the art can propose various structures mode and the implementation that can mutually replace.Therefore, the following specific embodiment and accompanying drawing are only the exemplary illustrations to technical scheme of the present invention, and should not be considered as of the present invention all or be considered as restriction or restriction to technical solution of the present invention.
Upper and lower, forward and backward, the stem of mentioning in this manual, ship stern, the orientation term such as horizontal, vertical are to define with respect to the transport installation ship shown in each accompanying drawing, single step tackling system or its component part, therefore they are relative concepts, might diverse location of living according to it, different use state correspondingly changes.So, these or other orientation term should be interpreted as restricted term yet.
In addition, also it is to be noted, described in each embodiment that this paper is mentioned to or implicit any single technical characterictic, perhaps shown or implicit in the accompanying drawings any single technical characterictic, still can proceed to make up arbitrarily between these technical characterictics (or its equivalent), thus of the present invention more other embodiment that acquisition may directly not mentioned in this article.
As depicted in figs. 1 and 2, mainly comprise transport installation ship 1 and the tackling system that is consisted of by top pylon 3, bottom pylon 4, the first platform 5, the second platform 6, limiting component 11, fixed pulley group 12, running block 13, leading sheave 14, power hoisting device 18 and control setup and some other optional component part (not marking) at a kind of blower fan transportation installation system of implementing fender guard of the present invention.
Wherein, bottom pylon 4 is configured to be suitable for being fixedly installed on the deck 2 of transport installation ship 1, and provides enough large bearing capacity for side's disposed thereon top pylon 3 and other parts.For the mode that specifically is fixedly mounted with between bottom pylon 4 and deck 2, can adopt any applicable pattern of the prior art, because this part content does not belong to emphasis of the present invention and by being understood or know by those skilled in the art, thereby do not elaborate at this.
The first platform 5 is arranged on top pylon 3 upper ends, and the second platform 6 is arranged between top pylon 3 and bottom pylon 4.As a kind of preferred situation, can adopt the mixed system that is formed by tube truss structure and box type construction to make this top pylon 3, bottom pylon 4, the first platform 5 and/or the second platform 6, so not only make the bulk shape of this blower fan transportation installation system attractive in appearance, outline is smooth, and fully support system is stressed clear and definite, helps to reduce as far as possible the adverse effect that whole system is caused due to hull navigation oscillating motion.
Under normal conditions, as all being provided with stair 23 on the top pylon 3 of the main support of system part, bottom pylon 4, so that the staff can carry out upper and lower walking about whereby.And be more preferably, lift appliance 26 can further be set specially arrive at more quickly the second platform 6 or the first platform 5 for the staff, illustrate simultaneously the situation that this lift appliance 26 moves to two differing heights positions in Fig. 2.At some in particular cases, also stair 23 can just be set no longer after having installed lift appliance 26.Certainly, simultaneously lift appliance is set in the present invention and stair are considered by override.
Refer again to Fig. 3, this is the structural representation that the A-A direction in Fig. 1 shows.As shown in Figure 3, the first platform 5 has the non-closed construction of a side opening, be provided with the first peristome 9 on the first platform 5, easily understand, also be correspondingly provided with opening (not shown) on the second platform 6, its opening arranges with position and the openings of sizes thereof of aforementioned the first peristome 9 suitable each other, in order to make the tower cylinder 8 of blower fan 7 to enter the interior volume that the first platform 5 forms by being placed.
See also Fig. 3 and shown in Figure 4, in order further to guarantee the stability of water surface shipping process, the present invention arranges fender guard 11 at least between the first platform 5 and tower cylinder 8, and in an optional embodiment, this fender guard 11 comprises three air bags 110.Air bag 110 is arranged on the first peristome 9 inboards of the first platform 5, and is parallel with truss 19 horizontal surfaces that consist of the first platform 5.About the best mounting distance between air bag 110 and truss 19, consider that air bag not only wants the certain fastening force of tower cylinder of fan, also certain cushion space to be arranged, therefore should be with the equation of state simple analysis of air bag buffering dynamics model once:
X（t）=f（E，B，t）
Wherein, X is state vector, and E is design vector, and B is conditional vector, and t is the time.Analyze according to this equation, in aforementioned embodiments, air bag 110 is arranged on the inboard 1.4m position apart from truss 19.Best buffer action can be played in best installation site, also can play best effect to the assurance of Stability of Ship.
In this embodiment, three air bags 110 are set to surround the tower cylinder 8 around blower fan on three directions, and are set to contact with tower cylinder 8.The bundle band 114 that use is made by 2 groups of strap irons is tied up each air bag 110, and respectively pricking band 114 is set to be welded and fixed mutually with air-bag support 112, these air-bag supports 12 adopt square iron pipes to make, and with truss 19 weld togethers of the first platform 5, as shown in Figure 4.In addition, be joined together by air bag attaching parts 116 between adjacent air bag 110, to improve it to the fastening effect of tower cylinder 8.
In aforementioned embodiments, this air bag 110 is set to the ellipse of long 4.5m, wide 1.5m.Easily understand, air bag 110 also can be designed as the shape of a hoof or other suitable shape.And the quantity of air bag 110 also can be changed into more than 3 according to actual needs, for example 4 or 5, perhaps is less than 3, for example 2.
In aforementioned embodiments, according to the lifting fixed position of the tower cylinder 8 of blower fan 7, air bag 110 is fixedly installed on the truss 19 of the first platform 5.Easily understand; a movable air bag 110 can also be set at least; for example; a side that relies on the first peristome 9 at the first platform 5 shown in Figure 3 arranges a movable air bag; after the tower cylinder 8 of blower fan 7 is lifted into the desired location of the first platform 5; should draw close and fix to tower cylinder 8 by movable air bag, thereby formation is to the closed contact protection of tower cylinder 8.Further, according to the needs of actual conditions, also can corresponding to tower cylinder 8, a plurality of air bags be set on the second platform 6.
Like this, just can be after the inside of putting into the first platform 5 and the second platform 6 that tower cylinder 8 is hung to be fixed, the air bag 110 by aforesaid fender guard 11 cushions and absorbs vibration and impact effect, the minimizing that may occur in the shipping way and rocks.
Be also the important component part of implementing blower fan transportation installation system of the present invention for the lifting operation provides the relevant apparatus of power, transmission of power and power control or mechanism, further these devices or mechanism be introduced below in conjunction with Fig. 1 and Fig. 2.
The fixed pulley group 12, running block 13 and the leading sheave 14 that correspond to each other have all been demonstrated in Fig. 1 and Fig. 2, it is how right that they need to arrange in the present embodiment, the number of concrete fixed pulley, movable pulley and the leading sheave that certainly comprises each centering may be identical, may be also diverse.Wherein, fixed pulley group 12 and leading sheave 14 are also installed thereon around the second platform 6, running block 13 is to be hung on the below of the fixed pulley group 12 corresponding with it by rope 16, and the lifting altitude that running block is hung for 13 times is decided by the factors such as size of tower cylinder 8.In the present invention, the analogue that rope 16 or other positions use can adopt steel rope or other suitable means, these suitable means all should satisfy the use needs such as mechanical property, wear resisting property etc.
In the above-described embodiment, running block 13 is configured at least with a link 17, so that the sole plate 10 that is fixedly attached to blower fan 7 by such link 17 lifts operation.Particularly, link 17 hangs over the shaft piece of running block 13 under can being, hang by this class shaft piece and mention on tower cylinder 8 circle rope provided thereon, simultaneously need to set the lifting operation point of burying on circle according to the deployment scenarios of movable pulley 13 on tower cylinder 8, then will enclose the two ends of restricting all attached hanging over realize lifting lifting operation on above-mentioned shaft piece.When untiing an end of circle rope, hoisting movable pulley 13 just can be realized circle rope on tower cylinder 8 and the disengaging between running block 13 very convenient, quickly, thereby helps to promote site operation efficient, reduction workmen's work capacity.
For guarantee in the present invention organize respectively that in running block 13 and each group running block 13, each running block is synchronized with the movement as far as possible, preferably also be provided with especially running block synchronization section 22, each running block 13 is set in this running block synchronization section 22, thereby guarantee that these movable pulleys realize being synchronized with the movement owing to suffering restraints, and be conducive to realize the assembled machine balance of blower fan in lifting and transportation.More preferably, also be provided with roller 15 on running block 13, and running block synchronization section 22 is configured to ring-type, simultaneously be provided with the guide groove (not shown) on this running block synchronization section 22, such guide groove is used to guide above-mentioned rollers 15 to adjust its position along radially moving of running block synchronization section 22, in order to can be adapted to fast, neatly the vary in diameter of tower cylinder 8.
Also show power hoisting device 18 in Fig. 1 and Fig. 2, it is configured to carry out the related lifting power that provides by leading sheave 14 and fixed pulley group 12.Be appreciated that in this embodiment in conjunction with above accompanying drawing, power hoisting device 18 can comprise many cover winchs.In addition, in order to protect power hoisting device 18, can also power hoisting device chamber 25 be set at transport installation ship 1 and be protected, in order to avoid it is subjected to erosion and the adverse effects such as rain, water or wind.
In order to control the lifting operation, also need to arrange the operation that control setup is controlled power hoisting device 18.Preferably control setup is arranged in the control cabin 20 of being located on the second platform 6.Simultaneously, also operator's compartment 21 can be arranged on the operation of controlling transport installation ship 1 on the second platform 6.As previously mentioned, the staff can arrive at this second platform 6 quite easily by taking lift appliance 26, then enters control cabin 20 and/or operator's compartment 21 is completed aforesaid operations.
In aforementioned embodiments; the transportation installation system has adopted fender guard 11 of the present invention, not only can be better fixing blower fan 7, and can reduce collision; avoid the transmission of rigidity stress between blower fan and tackling system, and can increase from two aspects the dynamic stability of transport installation ship:
1, guarantee the stability of boats and ships under moment of face effect suddenly;
2, avoid the parameter resonance phenomenon, guarantee that safety of ship travels.
Below in conjunction with Fig. 5, from crashproof and reduce stress aspect explanation technical scheme of the present invention to the protective effect of blower fan.
Blower fan 7 is in the process moving with shipping, also can be subject to the moment of face effect of generation suddenly, blower fan 7 passes to top pylon 3 and bottom pylon 4 on ship with this power, can be subject to the antagonistic force of pylon, and these two interaction forces are called as the internal stress between blower fan and tackling system.
Blower fan suffered maximum horizontal power and moment of flexure under the strong gale condition:
Environmental conditions: whole gale, wind speed 25m/s is below the 2.5m wave height.
The suffered resistance of blower fan system:
1, wind-force:
Axial fan hub place concentrated load:
Tower cylinder Equivalent Wind Load:
, position of action point pushes up 48m apart from cylinder;
Total wind loading
2, towage resistance Z is about 2000 kN;
3, the balancing force of blower fan system:
1) deadweight G;
2) power of hanging F1, the F2 of tackling system;
3) the dynamic restoring force T1, the T2 that provide of air bag.
The blower fan force analysis: blower fan 7 integral body (containing sole plate) are that a dynamical equilibrium power is.The moment of flexure that the suffered resistance of blower fan produces, the power of the hanging F1 and F2 and the deadweight G balance that are provided by suspension hook.Dynamic restoring force T1, T2 balance that the power of hanging F1, the F2 that the horizontal force that produces is provided by suspension hook and air bag provide, the transient equilibrium power of T1 and T2 is the 20t left and right.
As mentioned above, blower fan 7 is subject to G, W1, W2, T1, T2, F1, seven main stress of F2, wherein W1, W2, T1, four stress of T2 are two pairs of internal stresss, T2 produces powerful shearing to blower fan itself, and being needs the load considered emphatically, and wherein T1, T2 position is blower fan and boats and ships loop wheel machine contact point, if this position is for rigidly fixing, the balancing force effect of 20t need to be born in two positions, place, and is fluctuating load, easily makes structure generation fatigue finally cause structural failure.And the air bag 110 that has used fender guard 11 as shown in Figure 3 provides fixation; can effectively cushion T1, T2 balancing force; extend the time of the external load acting that occurs suddenly; thereby internal stress is reduced greatly, thereby reach the effect of protecting blower fan tower barrel structure and appearance paint not to be destroyed.
Below explanation technical scheme of the present invention is in the effect of playing aspect assurance transport installation ship dynamic stability.
1, guarantee the stability of boats and ships under moment of face effect suddenly.
The tilting moment that fitful wind surprise attack and sea beat cause belongs to the moment of face of unexpected effect, under the effect of unexpected external load, and the cireular frequency when Stability of Ship need to be considered to tilt and inertia.Under Static behavior, moment of face is no more than the maximum restoring moment of boats and ships, and boats and ships just can not topple.But under dynamic action, due to inertia, equate with moment of face even reach restoring moment, boats and ships also will continue to tilt, and only have when the moment of face work is responded just can stop tilting when moment is offset.Therefore the index of weighing the dynamic stability height is the restoring moment work.China's " boats and ships and Offshore Units statutory formula rule " regulation, boats and ships capsizing moment M
qWith blast capsizing moment M
fThe horizontal accurate number K of ratio stability should be not less than 1.That is,
K=M
q/M
f≥1
Wherein, M
q: capsizing moment; M
f: wind heeling moment; K: the horizontal accurate number of stability; In addition,
M
f=0.001PA
fZ
Wherein, P: unit rated wind pressure (Kilogram Force Per Meter
2); A
f: area exposed to the wind (rice
2); Z: the area exposed to the wind center is to waterline distance (rice);
Capsizing moment M
qBe the ship performance parameter, this programme is thought M
qBe invariant.
In above-mentioned formula, M
qBe invariant, M
fMiddle A
f, Z is invariant in the navigation process, only having P is variable, therefore in order to guarantee K 〉=1, should reduce M as far as possible
f, namely reduce P as far as possible.
Moment of face institute work is that the unit blast multiply by displacement: W=P
s
Moment of face is certain to hull institute work, therefore due to the buffer action of 110 pairs of blower fans 7 of air bag, blower fan 7 is increased with respect to the displacement of hull, has reduced the blast P of unit area, has reduced M
f, be easy to like this guarantee K 〉=1, thereby guaranteed the dynamic stability of hull.
2, avoid the parameter resonance phenomenon, guarantee that safety of ship travels.
When boats and ships and wave group meet, the wild effect of rolling motion probably occurs, particularly especially true when boats and ships meet with the encounter frequency of a times that certainly shakes rate and wave, so-called parameter resonance phenomenon that Here it is.
The process that causes the rolling motion parameter resonance is very complicated, do not inquire in detail herein, but according to calculate and experience increase damping and and the change encounter frequency be the effective ways of avoiding parameter resonance.In the present invention, the power that the use of air bag 110 makes blower fan 7 pass to hull always lags behind external load to the power of hull, the buffering of 110 pairs of blower fans 7 of air bag can be converted into hull and blower fan to the damping of external load like this, external load is asynchronous to the power of hull to the power of hull and blower fan, can change encounter frequency by actv., so just, can avoid the parameter resonance phenomenon by actv., guarantee that safety of ship travels.
in sum, technical scheme of the present invention has adopted the low air bag of cost compare as the major part of fender guard, not only fixed blower fan, also avoided blower fan to contact with the direct of tackling system, avoided collision, in addition, transport installation ship runs into the external load of unexpected effect in the process of transportation blower fan, air bag can play good buffer action, offset external force to the blower fan work, prevent huge internal stress and make the structure generation surrender, and hull does not need additionally to increase the generation that other antirolling apparatuss guarantee stability and prevent the high spud angle phenomenon in the process of transportation blower fan, guarantee the safety traffic of boats and ships and smooth transportation and the installation of blower fan.
Should be appreciated that the physical property due to air bag itself, fender guard 11 of the present invention is not suitable for using in the area that very cold or the temperature difference are very large.The hull structure major part is the steel truss structure, unavoidably have the sharp-pointed position such as corner angle, so air bag 110 should avoid in installation process and sharp-pointed untitled touching, will guarantee that installation environment is good before installing, there is not sharp object, scope inside corner grinding process etc.The air-bag support 112 that air bag and truss tighten together also will be considered emphatically, and its form can be varied, but necessarily guarantee that the part that contacts with air bag is smooth, has intensity and toughness concurrently.
The exemplary description of more than just technical solutions and their implementation methods of the present invention being done, but not limitation of the present invention, without departing from the spirit and scope of the present invention, those of ordinary skill in the art can also make various distortion and improvement.Therefore, all technical schemes that are equal to all should belong to category of the present invention and be limited by every claim of the present invention.
Claims (14)
1. seaborne fender guard of blower fan; it is characterized in that; it comprises a plurality of air bags on the platform of the tackling system that is arranged on the blower fan transport installation ship, and described a plurality of air bags are arranged between the tower cylinder of described platform and described blower fan and contact with described tower cylinder extruding.
2. the seaborne fender guard of blower fan as claimed in claim 1, is characterized in that, described a plurality of air bags are arranged on the opening inboard of described platform, and are parallel with the truss horizontal surface that consists of described platform.
3. the seaborne fender guard of blower fan as claimed in claim 1 or 2, is characterized in that, described fender guard also comprises for the air-bag support that supports fixation balloon, the described air-bag support location that is connected with the truss of described platform.
4. the seaborne fender guard of blower fan as claimed in claim 3, is characterized in that, described fender guard comprises that also air bag pricks band, and described each air bag is tied up by a pair of bundle band, and respectively prick band and be set to be connected to a fixed with air-bag support.
5. the seaborne fender guard of blower fan as claimed in claim 1, is characterized in that, is joined together by the air bag attaching parts between the adjacent cells in described a plurality of air bags, to increase its fastening to the tower cylinder.
6. the seaborne fender guard of blower fan as claimed in claim 1, is characterized in that, described air bag is set to the suitable shape of ellipse or the shape of a hoof or other.
7. a blower fan transports installation system, it comprises transport installation ship and is arranged on the tackling system that is used for lifting and fixing described blower fan on described ship, described tackling system comprises pylon and the platform that is arranged on pylon, described platform is set to have in the one side the non-closed construction of peristome, the tower cylinder of blower fan can enter by described peristome the interior volume of described platform, it is characterized in that, be provided with fender guard between the tower cylinder of described platform and blower fan, described fender guard comprises between the tower cylinder that is arranged on described platform and described blower fan and a plurality of air bags that contact with described tower cylinder extruding.
8. blower fan as claimed in claim 7 transports installation system, it is characterized in that, described tackling system comprises top pylon, bottom pylon, the first platform, the second platform, limiting component, fixed pulley group, running block, leading sheave, power hoisting device and control setup.
9. blower fan as claimed in claim 8 transports installation system, it is characterized in that, described bottom pylon is fixedly installed on the deck of transport installation ship, the setting of described upper column frame above it, described the first platform is arranged on pylon upper end, top, and the second platform is arranged between top pylon and bottom pylon.
10. blower fan transportation installation system as claimed in claim 9, is characterized in that, described a plurality of air bags are arranged on the opening inboard of described the first platform, and are parallel with the truss horizontal surface that consists of described the first platform.
11. blower fan as claimed in claim 10 transportation installation system is characterized in that, described fender guard also comprises for the air-bag support that supports fixation balloon, the described air-bag support location that is connected with the truss of described platform.
12. blower fan as claimed in claim 11 transportation installation system is characterized in that, described fender guard comprises that also air bag pricks band, and described each air bag is tied up by a pair of bundle band, and respectively pricks band and be set to be connected to a fixed with air-bag support.
13. blower fan as claimed in claim 12 transportation installation system is characterized in that, is joined together by the air bag attaching parts between the adjacent cells in described a plurality of air bags, to increase its fastening to the tower cylinder.
14. blower fan transportation installation system as claimed in claim 13 is characterized in that described air bag is set to the suitable shape of ellipse or the shape of a hoof or other.
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| CN201110388913.1A CN103129837B (en) | 2011-11-30 | 2011-11-30 | Transit security system for the seaborne protection device of blower fan and comprising it |
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| CN201110388913.1A CN103129837B (en) | 2011-11-30 | 2011-11-30 | Transit security system for the seaborne protection device of blower fan and comprising it |
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| CN103129837B CN103129837B (en) | 2017-06-16 |
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| CN201110388913.1A Active CN103129837B (en) | 2011-11-30 | 2011-11-30 | Transit security system for the seaborne protection device of blower fan and comprising it |
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