CN203921138U - Buoyancy aid work pile - Google Patents
Buoyancy aid work pile Download PDFInfo
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- CN203921138U CN203921138U CN201420301183.6U CN201420301183U CN203921138U CN 203921138 U CN203921138 U CN 203921138U CN 201420301183 U CN201420301183 U CN 201420301183U CN 203921138 U CN203921138 U CN 203921138U
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- joint pin
- aid work
- buoyancy
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Abstract
A buoyancy aid work pile, comprising: joint pin; And buoyancy compartment, while having work and disconnected the first cavity of seawater, described buoyancy compartment is fixedly connected with one end of described joint pin; The displacement of described buoyancy compartment is not less than the total mass of described buoyancy aid work pile, and when described buoyancy aid work pile is worked in seawater, the leaning angle producing under extraneous natural force effect is not more than 1 degree.Buoyancy aid work pile of the present utility model does not need mooring just can realize stable position in ocean, and is difficult for run-off the straight and drift.
Description
Technical field
The utility model relates to ocean structure engineering field, is specifically related to a kind of buoyancy aid work pile.
Background technology
Ocean operation need to complete by ocean structure conventionally, ocean structure comprises even artificial island etc. of ocean lighthouse, drilling platform, boats and ships harbour, harbour of refuge, how to make the stably mooring in ocean of these ocean structures become the maximum puzzlement of ocean operation.
In the more shallow marine site of the depth of water, conventionally the mode that employing is directly imbedded sea bed by buoyancy aid work pile realizes the location to ocean structure, in the darker marine site of the depth of water, especially, in ocean, the locate mode that buoyancy aid work pile is directly imbedded sea bed realizes from cost or technical being all difficult to.In prior art, the ocean structure in ocean mainly adopts catenary mooring system and tension type mooring system to position.
Yet all there is the shortcoming that is difficult to overcome in catenary mooring system and tension type mooring system, is mainly reflected in following several respects:
First, mooring system need to be connected with the anchor point on sea bed could finally realize mooring, the interconnection technique of mooring system and anchor point has the locking bolt of casting anchor technology and GPS booster power boosting technology conventionally, these two kinds of technology in ocean, implement to technology require high;
The second, the mooring radius that above-mentioned two kinds of mooring systems take is all larger, easily interferes with near the mooring system of other ocean structures;
The 3rd, mooring system realizes mooring need to arrange anchor point on sea bed, easily causes the destruction to sea bed; In addition, in the process of mooring system migration, stretched wire or tighten rope and rub near one end and the sea bed of sea bed, also can damage sea bed.
Utility model content
The problem that the utility model solves is to provide a kind of at extra large aouatic structure and the buoyancy aid work pile of implementing simply and can realize positioning function.
For addressing the above problem, the utility model provides a kind of buoyancy aid work pile, comprising:
Joint pin; And
Buoyancy compartment, while having work and disconnected the first cavity of seawater, described buoyancy compartment is fixedly connected with one end of described joint pin;
The displacement of described buoyancy compartment is not less than the total mass of described buoyancy aid work pile, and when described buoyancy aid work pile is worked in seawater, the leaning angle producing under extraneous natural force effect is not more than 1 degree.
Optionally, when described buoyancy aid work pile is worked in seawater, the center of gravity of described buoyancy aid work pile is positioned under sea level and apart from sea level and is greater than 10 meters, the centre of buoyancy of described buoyancy aid work pile is positioned at described buoyancy compartment, the center of gravity of described buoyancy aid work pile is lower than centre of buoyancy, and the distance between centre of buoyancy and center of gravity is not less than 10 meters; The total mass of described buoyancy aid work pile is not less than 50 tons.
Optionally, the length of described buoyancy aid work pile is not less than 50 meters.
Optionally, in the first cavity of described buoyancy compartment, be filled with the material that density is less than water and does not absorb water.
Optionally, also comprise deposit cabin, described deposit cabin defines the second cavity, and described deposit cabin is fixedly connected between described buoyancy compartment and described joint pin;
When described buoyancy aid work pile is worked in seawater, second cavity in described deposit cabin can be communicated with or not be communicated with seawater.
Optionally, also comprise truss, described truss is fixedly connected between described buoyancy compartment and described joint pin, or is fixedly connected between described ballast tank and described joint pin, or described joint pin is separated into two sections and be fixedly connected between two sections of joint pins vertically; When described buoyancy aid work pile is worked in seawater, described truss is positioned at described buoyancy aid work pile along position corresponding with ocean current on prolonging direction, and the length of described truss is not less than the degree of depth of ocean current, and ocean current energy passes in described truss.
Optionally, described truss is comprised of many first purlin posts along described joint pin axial elongation, and described many first purlin posts are thinner than described joint pin, and one end of many described the first purlin posts is connected with described joint pin, the other end is connected with described buoyancy compartment, between many described the first purlin posts, has space.
Optionally, between adjacent the first purlin post, by many second purlin posts, connect.
Optionally, in the axial external surface of described joint pin, be also arranged at intervals with a plurality of the first resistance pieces along the circumferential direction of described joint pin, resistance for increasing seawater to described joint pin, each axial plane along described joint pin in described a plurality of the first resistance pieces stretches out and is fixedly connected with described joint pin.
Optionally, described the first resistance piece is tabular, and the plate face of described the first resistance piece is perpendicular to the axial external surface of described joint pin.
Optionally, in the axial external surface of described joint pin, between adjacent two the first resistance pieces, be fixedly installed a plurality of the second resistance pieces, the resistance for increasing seawater to described joint pin;
Described a plurality of the second resistance piece arranges along the prolonging direction interval of described joint pin;
Each in described a plurality of the second resistance piece and the axial external surface of described joint pin are the nonparallel angle of cut, and each in described a plurality of the second resistance pieces and described the first resistance piece are the nonparallel angle of cut.
Optionally, described the second resistance piece is tabular, and the plate face of described the second resistance piece is perpendicular to the axial external surface of described joint pin.
Optionally, described the first resistance piece is tabular, and the plate face of described the second resistance piece is perpendicular to the plate face of described the first resistance piece.
Optionally, described joint pin within it portion is also provided with passage, and described passage is for loading ballast in described passage bottom:
When described buoyancy aid work pile is worked in seawater, sea is exposed in one end of described passage, is communicated with atmosphere; The other end of described passage immerses in seawater, and it makes described passage be communicated with seawater, and described passage is not communicated with described buoyancy compartment gas.
Compared with prior art, the technical solution of the utility model has the following advantages:
Balance between the downward gravity in vertical sea level that the buoyancy that utilizes buoyancy compartment to produce to make progress perpendicular to sea level and buoyancy aid work pile have self, while making buoyancy aid work pile be positioned in ocean, can in the direction perpendicular to sea level, realize balance, float in ocean, under natural conditions effect, the angle that buoyancy aid work pile tilts can not surpass 0.1 degree, so can realize stable position effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of buoyancy aid work pile in embodiment of the utility model;
Fig. 2 is the structural representation of buoyancy aid work pile in another embodiment of the utility model;
Fig. 3 is the structural representation of buoyancy aid work pile in another embodiment of the present utility model;
Fig. 4 is the perspective view of truss in buoyancy aid work pile in another embodiment of the present utility model;
Fig. 5 is the structural representation of buoyancy aid work pile in another embodiment of the present utility model;
Fig. 6 is along the generalized section of A-A ' direction in Fig. 5.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, specific embodiment of the utility model is described in detail.
An embodiment of the present utility model provides a kind of buoyancy aid work pile, and with reference to Fig. 1, buoyancy aid work pile has top a and bottom b, and top a is positioned at buoyancy compartment 120 away from one end of joint pin 110, and bottom b is positioned at buoyancy aid work pile with respect to the other end of top a; The first cavity 121 not being communicated with seawater when buoyancy compartment 120 has work.The displacement of described buoyancy compartment 120 is not less than the total mass of described buoyancy aid work pile, the displacement of buoyancy compartment 120 is the quality that buoyancy compartment 120 immerses the water arranging in seawater completely, the quality here and displacement all represent (1 ton=1000 kilograms) with tonnage, therefore, when buoyancy aid work pile is arranged in seawater, suffered buoyancy can be offset gravity, so buoyancy aid work pile can be suspended in seawater.When described buoyancy aid work pile is worked in seawater, the leaning angle producing under extraneous natural force effect is not more than 1 degree, requiring the strict application scenario of stability requirement, can also be by changing pile body parameter, the leaning angle that described buoyancy aid work pile is produced under extraneous natural force effect is not more than 0.1 degree.Here " buoyancy aid ", refers to and can suspend in water to sink, but the object that also can not drift about; " buoyancy aid " is different from " floating body ", and " floating body " refers to and float on the water surface, and can be with the object of External Force Acting drift.
In certain embodiments, when buoyancy aid work pile is worked in seawater, have centre of buoyancy M and center of gravity G, center of gravity G is between centre of buoyancy M and bottom b.When being subject to wind-force, sea does the used time, surface seawater sport forms stormy waves, even in the situation of wind-force maximum, the surface seawater degree of depth that it can affect is usually no more than 10 meters, so the center of gravity G of buoyancy aid work pile will be lower than the stormy waves degree of depth, such as, center of gravity G can be greater than 8 meters to the distance of sea level S, further, can be greater than 10 meters, certainly, in practical operation, can determine according to the situation of the actual conditions stormy waves degree of depth center-of-gravity position of buoyancy aid work pile.Certainly, also can, after pile body is manufactured, be chosen in the distinguished and admirable degree of depth compared with neritic zone application buoyancy aid work pile, such as selecting the marine site that seawater is relatively static to use this buoyancy aid work pile, so that buoyancy aid work pile is not easy to be subject to the impact of seawater movement as far as possible.
Stable in order to realize, the entire length of buoyancy aid work pile is not less than 50 meters; The distance of the centre of buoyancy M of buoyancy aid work pile in buoyancy compartment 120 and between centre of buoyancy M and center of gravity G is not less than 10 meters; Stable in order further to realize, the total mass of buoyancy aid work pile is not less than 50 tons.In certain embodiments, the displacement of buoyancy compartment 120 can be greater than 200t.
In certain embodiments, do not having in ballasted situation, the total mass that the quality of buoyancy compartment 120 accounts for buoyancy aid work pile is no more than 1/2.The shape of buoyancy compartment 120 can be cube shaped, cuboid.The centre of buoyancy M of buoyancy compartment 120 will be as far as possible away from center of gravity, and its displacement wants large, comprehensive these two conditions, it is foursquare rectangular structure that the structure of buoyancy compartment 120 is preferably cross section, and the height of cuboid is greater than the width in cross section, the height of buoyancy compartment 120 should be suitably larger.
Further, the material that can fill full quality light (density is less than water) in the first cavity 121 of buoyancy compartment 120 and not absorb water, can avoid like this buoyancy compartment 120 being corroded or during outside destroy, avoid seawater or other materials to enter the first cavity 121, guarantee the function of buoyancy compartment 120.Quality gently and its quality of the material not absorbing water negligible with respect to buoyancy aid work pile, as an embodiment, quality gently and the material not absorbing water, such as being polyvinylchloride, foam etc. organic material.
A part for the main quality of buoyancy aid work pile mainly, on joint pin 110, is not having in ballasted situation, and the total mass that the quality of joint pin 110 accounts for buoyancy aid work pile is not less than 1/3.In certain embodiments, joint pin 110 is even along the quality of its prolonging direction, even intensity.Buoyancy aid work pile, when seawater is worked, is vertical state under gravity and buoyancy, and, when without stormy waves or without ocean current, buoyancy aid work pile is substantially vertical with sea level S.In order to resist natural external force, buoyancy aid work pile must have enough quality to stablize.If buoyancy aid work pile is steel structure, buoyancy compartment 120 and joint pin 110 are corrosion-resistant steel, and in order to realize stable position, in the situation that the width of joint pin 110 is 3 meters, the length of buoyancy aid work pile is greater than 50 meters.Buoyancy aid work pile can be also reinforced concrete structure, and now the lateral dimension of the buoyancy aid work pile size of joint pin Width (along) should be larger than steel structure.
In certain embodiments, with reference to Fig. 2, buoyancy aid work pile can also comprise deposit cabin 150, is fixedly connected between buoyancy compartment 120 and joint pin 110.Deposit cabin 150 defines second cavity 151, and when buoyancy aid work pile is worked in seawater, deposit cabin 150 can be communicated with or not be communicated with seawater.In the time of the 150 interior Loaded goods of deposit cabin, lay in the part that joint pin can be served as in cabin 150, can increase the quality of pile body.When the load of buoyancy aid work pile increases, need to strengthen the charge capacity that buoyancy aid work pile can bear, Loaded goods in deposit cabin 150 can be discharged, can increase the buoyancy of buoyancy aid work pile like this, thereby increase the load-carrying capacity of buoyancy aid work pile, lay in like this part that buoyancy compartment can be served as in cabin.By arranging, lay in cabin 150 like this, thereby can control flexibly the floating of pile body and the load-carrying capacity that pile body is controlled in sinking according to extraneous circumstance.Loaded goods in deposit cabin can be seawater.
In certain embodiments, with reference to Fig. 3, consider the impact of ocean current, can between buoyancy compartment 120 and joint pin 110, truss 160 be set, truss 160 can be fixedly connected between buoyancy compartment 120 and joint pin 110, or be fixedly connected between ballast tank 130 and joint pin 110, or joint pin 110 is separated into two sections and be fixedly connected between two sections of joint pins vertically; When buoyancy aid work pile is worked in seawater, truss 160 is positioned at buoyancy aid work pile along position corresponding with ocean current on prolonging direction, and the length of truss 160 is not less than the degree of depth of ocean current, and ocean current energy passes in truss 160.That is to say, the length of truss 160 generally, by specifying the ocean current degree of depth in marine site to determine, can be not less than the ocean current degree of depth of specifying marine site.Wherein the length of truss 160 refers to its height when pile body is worked in seawater, along described joint pin prolonging direction.Yet consider the actual ocean current degree of depth and cost control, the length of truss 160 is no more than 50 meters.When being provided with truss 160, position for fear of ocean current at center of gravity G impacts, center of gravity G also should avoid truss 160, in certain embodiments, suppose that truss 160 is between buoyancy compartment 120 and joint pin 110, center of gravity G can also be larger more than 10 meters than truss 160 length with the distance of sea level S so, for example can be lower than 60 meters, sea level, certainly in practical operation, can be chosen in the ocean current degree of depth compared with the buoyancy aid work pile of neritic zone application the utility model embodiment according to actual conditions, such as selecting the buoyancy aid work pile of marine site use the utility model embodiment that seawater is relatively static, so that buoyancy aid work pile is not easy to be subject to the impact of Current Movement and moves.
With reference to Fig. 4, truss 160 can be comprised of many vertical the first purlin posts 161, between many first purlin posts 161, has space, and one end of many first purlin posts 161 is fixedly connected with described joint pin; Without deposit cabin in the situation that, the other end of many first purlin posts 161 is fixedly connected with described buoyancy compartment, and in the situation that having deposit cabin, the other end of described many first purlin posts 161 is fixedly connected with described deposit cabin.Between adjacent the first purlin post 161, by many second purlin posts 162, connect to strengthen the intensity of truss 160.The lateral dimension of every in many first purlin posts 161, the second purlin post 162 is less than joint pin far away, thin more than joint pin, and when buoyancy aid work pile is worked in seawater, ocean current energy passes from space between many first purlin posts 161, the second purlin post 162.The lateral dimension of whole truss 160, perpendicular to the size of the prolonging direction of joint pin 110, can be identical with the lateral dimension of joint pin 110.Because every the first purlin post 161, the second purlin post 162 of truss 160 are thinner, in order to guarantee can not break under ocean current or stormy waves impact, the intensity of every the first purlin post 161, the second purlin post 162 is wanted enough height.
Further, shown in Fig. 5-6, can also be provided with a plurality of the first resistance pieces 111 on joint pin 110, Fig. 6 has provided in Fig. 5 the generalized section along A-A ' direction.A plurality of the first resistance pieces 111 are the resistance to joint pin 110 for increasing seawater, and exactly, when a plurality of the first resistance pieces 111 tilt for increasing pile body, seawater is to its resistance.Circumferentially spaced apart in the axial external surface of joint pin 110, along joint pin of a plurality of the first resistance pieces 111.Each axial plane along joint pin 110 in a plurality of the first resistance pieces 111 stretches out and is fixedly connected with joint pin 110.Joint pin 110 has axial line, and joint pin 110 has and is parallel to the outside face of axial line and perpendicular to the outside face of axial line, axial external surface refers to the outside face of the axial line that is parallel to joint pin 110 herein.The sagittal plane of joint pin 110 refers to the sagittal plane perpendicular to the axial line of joint pin 110, and the axial plane of joint pin 110 refers to by the plane of the axial line of joint pin 110.In certain embodiments, each in the first resistance piece 111 can be for tabular, and the plate face of the first resistance piece 111 is perpendicular to the axial external surface of joint pin 110.In certain embodiments, a plurality of the first resistance pieces 111 can be symmetric with respect to the axial line of joint pin 110.
In the embodiment shown in fig. 4, each in the first resistance piece 111 extends to the other end from one end of joint pin 110, identical with joint pin length.Wherein, each point of the first resistance piece 111 can be positioned on same axial plane, also can be positioned on different axial planes, and the first resistance piece 111 can be plane, can be also curved surface shape, wherein with plane for well.
In certain embodiments, in the axial external surface of joint pin 110, between adjacent two first resistance pieces 111, be provided with a plurality of the second resistance pieces 112, the resistance for increasing seawater to joint pin, specifically, is resistance when increasing seawater pile body is moved up and down.A plurality of the second resistance pieces 112 arrange along the prolonging direction interval of joint pin 110, each in a plurality of the second resistance pieces 112 is fixedly connected with adjacent two first resistance pieces 111 with joint pin 110, each in a plurality of the second resistance pieces 112 and the axial external surface of joint pin 110 are the nonparallel angle of cut, and each in a plurality of the second resistance pieces 112 and the first resistance piece 111 are the nonparallel angle of cut.It is tabular that the second resistance piece can be, and the plate face of the second resistance piece 112 can be perpendicular to the axial external surface of joint pin.If the first resistance piece 111 and the second resistance piece 112 are all tabular, the plate face of the second resistance piece is perpendicular to the plate face of the first resistance piece.
Wherein, each point of the second resistance piece 112 can be positioned on same sagittal plane, also can be positioned on different sagittal planes, and the second resistance piece 112 can be plane, can be also curved surface shape, wherein with plane for well.
Arranging of the first resistance piece 111 and the second resistance piece 112 can need to be carried out according to the intensity of pile body.In certain embodiments, the first resistance piece 111 can arrange 4, along being circumferentially uniformly distributed of joint pin 110, and between every two the first adjacent resistance pieces 111, second resistance piece 112 is set along joint pin 110 prolonging directions at interval of 4.75 meters.
When thering is deposit cabin 150 and truss 160 structure as front buoyancy aid work pile, also the first resistance piece 111 and the second resistance piece 112 can be set on joint pin 110, be not described in detail in this.
As front, it can be steel structure that 100 integral body are located in ocean.In some other embodiment, it can be all reinforced concrete structure that 100 integral body are located in ocean, that is: joint pin 110, buoyancy compartment 120 and ballast tank 130 are reinforced concrete structure, the technique of this kind of material comparatively maturation and manufacture difficulty lower, now pile body integral structure size can be larger, such as the total displacement of buoyancy compartment 120 can be greater than 5000t (1t=1000Kg).
Continuation is with reference to Fig. 5, at some embodiment, when buoyancy aid work pile is reinforced concrete structure, because joint pin 110 lateral dimensions are larger, passage 140 can also be set, passage 140 is positioned at joint pin 110 and extends along joint pin 110, run through joint pin 110 and buoyancy compartment 120, passage 140 is for loading ballast, when buoyancy aid work pile is worked in seawater, one end across the sea of passage 140 is communicated with 140 ambient atmosphere, one end of the immersion seawater of passage 110 is communicated with seawater, and passage 140 is not communicated with buoyancy compartment gas.
Because the lateral dimension of the buoyancy aid work pile of reinforced concrete structure can be relatively large, so the size of passage 140 also can be larger.Such as the diameter of passage 140 can and be formed in joint pin 110 for 10m, the lower end of passage 140 increases the quality of pile body for filling ballast, the effect that can serve as ballast tank, thereby in the shorter situation of joint pin 110 length, also can guarantee the quality of whole buoyancy aid work pile and keep the center of gravity G of buoyancy aid work pile lower, increase centre of buoyancy apart from (being the distance between center of gravity G and centre of buoyancy M), make buoyancy aid work pile stable in seawater.The material that ballast can be stone, iron block equidensity is larger, considers that iron block is easily subject to marine corrosion, and stone is better.
On one end of the immersion seawater of passage 140, diapire (not shown) can also be set, on diapire, through hole can be set, through hole is used for allowing passage 140 be communicated with seawater.
For the buoyancy aid work pile of reinforced concrete structure, can complete construction by cast in situs across the sea.
The principle of work of the buoyancy aid work pile of the utility model embodiment is as follows, continuation is with reference to Fig. 1, when buoyancy aid work pile is not subject to the lateral external forces (application force that is parallel to the direction of sea level S, the power for example being applied by wind or wave, the motion of ocean current is very slow, its power that buoyancy aid work pile is applied is with respect to negligible wind-force) do the used time, it is perpendicular to sea level S, in initial condition; When being subject to lateral external forces, do the used time, lateral external forces will produce tilting moment, and according to Ship Statics, the gravity of buoyancy aid work pile self will produce righting moment; In addition, pile body is also subject to the effect of hydraulic pressure (pressure of seawater) in part under water, and hydraulic pressure will produce resistance torque.Righting moment and resistance torque all can be resisted tilting moment, impel buoyancy aid work pile to return back to virgin state.
The buoyancy aid work pile of reinforced concrete structure of take is example, lower surface analysis under wind-force effect, the force-bearing situation of buoyancy aid work pile.With reference to Fig. 1, wind-force effect is exposed to part more than sea level S to buoyancy aid work pile, and the center of definition wind-force effect is wind-force center P.
Only consider that wind-force does the used time, suppose buoyancy aid work pile 0.1 ° (angle) that tilt, it is subject to the application force of pressure (only considering that centre of buoyancy is to the sea pressure of the bottom part here) three aspects: of wind-force, gravity and seawater, and concrete force analysis is as follows:
Definition wind-force center P is H apart from the distance of centre of buoyancy M
1, center of gravity G is H apart from the distance of centre of buoyancy M
2, the distance of hydraulic pressure (pressure of seawater) centre distance centre of buoyancy M is H
3, definition wind-force is F
p, buoyancy is F
m, gravity is F
g.
In certain embodiments, it is foursquare cylinder that buoyancy compartment 120, joint pin 110 are all set to cross-sectional plane, wherein buoyancy compartment 120 for section width be 40m, be highly 10m, the section width of joint pin 110 is 10 meters, and height is 40 meters, buoyancy aid work pile bottom b to the distance of top a be 50m, total mass can reach 6610t, and the displacement of buoyancy compartment 120 can be set to 8000t.
Through calculating, when unloaded, buoyancy aid work pile draft is about 44m, and the height that buoyancy compartment 120 is exposed to more than sea level S is about 6m, area exposed to the wind B=240m
2, center of gravity G is about 29m apart from the height of bottom b, and centre of buoyancy M is about 42m apart from the height of bottom b, and the height of hydraulic pressure center to bottom b is 14.7m; H
1=5m, H
2=13m, H
3=27.3m.Above numerical value is approximate value.
Suppose under wind-force effect, buoyancy aid work pile angle of inclination 0.1 degree, force analysis is as follows:
The tilting moment T that wind-force produces
pbe about:
T
p＝F
P·BC·H
1
The righting moment T that gravity produces
gbe about:
T
G＝F
G·H
2·Sin0.1°
The moment that hydraulic pressure produces is defined as T
w, as one, simplify example, the resistance torque T of water
wcan adopt following formula to calculate:
T
W＝ρ·V·T·H
3
Wherein ρ is sea water density, and V is the volume (considering the volume of the water that centre of buoyancy M in pile body partly arranges to bottom b herein) of the water pushed open while tilting of whole pile body, H
3for the distance of hydraulic pressure center to centre of buoyancy M, T is that (when 50 meters of dark buoyancy aid work piles are all immersed in seawater, suffered average hydraulic pressure is equivalent to 2.5 barometric pressures to hydraulic pressure coefficient, and hydraulic pressure coefficient is 2.5.Here get T=2).
While only considering gravity, when buoyancy aid work pile inclination 0.1 is spent, should at least meet T
p=T
g, that is:
F
pbCH
1=F
gh
2sin0.1 ° (formula one)
Wherein B is area exposed to the wind, and C is coefficient of streamline shape (C=0.5).
In formula one, in order to increase safety factor, can save C.
By above-mentioned parameter substitution formula one, obtain F
p≈ 0.25t/m
2.
While only considering hydraulic pressure, when buoyancy aid work pile inclination 0.1 is spent, should at least meet T
p=T
w,
F
pbCH
1=ρ VTH
3(formula two)
By the above-mentioned formula two of each parameter substitution, obtain F
p=1.5t/m
2.
While considering gravity and hydraulic pressure, in the present embodiment, 0.1 degree if buoyancy aid work pile tilts, the wind-force needing is at least F
p=1.75t/m
2.The angle tilting is larger, and the wind-force needing is larger.
Generally, the wind-force maximum on sea only can reach 1t/m
2, because every sq m while arriving 1t people will be blown in the air and go, the blast that is greater than every sq m 1t is seldom.When pile body is used as buoy, due to its for stability requirement be not strict (1 degree that for example tilts also has no relations, only otherwise occur displacement just can), above-mentioned pile body can meet the demands completely; When stricter to the stability requirement of pile body time, such as using it when creeping into the location of platform, artificial island etc., can be by increasing ballast or increase pile body length to increase the centre of buoyancy distance of pile body in joint pin, or by setting up first, second flaps to increase the modes such as seawater resistance, strengthen the stability of pile body.
In other embodiments, the total mass of buoyancy aid work pile can be worth for other, but bar construction if should be not less than 50t, and reinforced concrete structure, should be not less than 5000t if; If need to increase lifting capacity and the stability of buoyancy aid work pile, total length, centre of buoyancy that can be by increasing buoyancy aid work pile apart from and the displacement that increases its total mass and buoyancy compartment realize.Buoyancy aid work pile for steel structure, method of calculating is similar, because the size that steel are made is not too large, the buoyancy aid work pile of itself and reinforced concrete structure is in some difference of pile body, the joint pin of the buoyancy aid work pile of steel structure may be thinner, and in order to increase the total quality of buoyancy aid work pile, the joint pin of described steel structure can be manufactured longly, such as being 350 meters, increase quality, lower the center of gravity to improve stability.The above buoyancy aid work pile material is steel or ferro-concrete, in other embodiments, can also at this, underline for other materials, should not cause restriction to the utility model.
Buoyancy aid work pile in the present embodiment can be used for the location of the ocean structures such as beacon, buoy, drilling platform, exploration, dredger, marine ship harbour, harbour of refuge, artificial island construction and fixes, and the quantity of buoyancy aid work pile also can arrange according to actual needs.But be not limited only to above-mentioned application.
To sum up, buoyancy aid work pile in the present embodiment utilizes buoyancy that pile body is subject in ocean and the inside-connecting relation of gravity, realize the location of pile body in ocean and fixing effect and object, buoyancy aid work pile need not locking bolt can be realized and fixingly do not drift about or only have fine motion; With respect to the mooring system of prior art, easy to use, integral structure size is less, avoids the interference between different buoyancy aid work piles, and owing to not needing and sea bed is anchored, to sea bed without injury.
Although the utility model discloses as above, the utility model is not defined in this.Any those skilled in the art, within not departing from spirit and scope of the present utility model, all can make various changes or modifications, and therefore protection domain of the present utility model should be as the criterion with claim limited range.
Claims (14)
1. a buoyancy aid work pile, is characterized in that, comprising:
Joint pin; And
Buoyancy compartment, while having work and disconnected the first cavity of seawater, described buoyancy compartment is fixedly connected with one end of described joint pin;
The displacement of described buoyancy compartment is not less than the total mass of described buoyancy aid work pile, and when described buoyancy aid work pile is worked in seawater, the leaning angle producing under extraneous natural force effect is not more than 1 degree.
2. buoyancy aid work pile as claimed in claim 1, it is characterized in that, when described buoyancy aid work pile is worked in seawater, the center of gravity of described buoyancy aid work pile is positioned under sea level and apart from sea level and is greater than 10 meters, the centre of buoyancy of described buoyancy aid work pile is positioned at described buoyancy compartment, the center of gravity of described buoyancy aid work pile is lower than centre of buoyancy, and the distance between centre of buoyancy and center of gravity is not less than 10 meters; The total mass of described buoyancy aid work pile is not less than 50 tons.
3. buoyancy aid work pile as claimed in claim 1, is characterized in that, the length of described buoyancy aid work pile is not less than 50 meters.
4. buoyancy aid work pile as claimed in claim 1, is characterized in that, in the first cavity of described buoyancy compartment, is filled with the material that density is less than water and does not absorb water.
5. buoyancy aid work pile as claimed in claim 1, is characterized in that, also comprises deposit cabin, and described deposit cabin defines the second cavity, and described deposit cabin is fixedly connected between described buoyancy compartment and described joint pin;
When described buoyancy aid work pile is worked in seawater, second cavity in described deposit cabin can be communicated with or not be communicated with seawater.
6. the buoyancy aid work pile as described in claim 1 or 5, it is characterized in that, also comprise truss, described truss is fixedly connected between described buoyancy compartment and described joint pin, or be fixedly connected between described ballast tank and described joint pin, or described joint pin is separated into two sections and be fixedly connected between two sections of joint pins vertically; When described buoyancy aid work pile is worked in seawater, described truss is positioned at described buoyancy aid work pile along position corresponding with ocean current on prolonging direction, and the length of described truss is not less than the degree of depth of ocean current, and ocean current energy passes in described truss.
7. buoyancy aid work pile as claimed in claim 6, it is characterized in that, described truss is comprised of many first purlin posts along described joint pin axial elongation, many described the first purlin posts are thinner than described joint pin, one end of described many first purlin posts is connected with described joint pin, the other end is connected with described buoyancy compartment, between many described the first purlin posts, has space.
8. buoyancy aid work pile as claimed in claim 7, is characterized in that, between adjacent the first purlin post, by many second purlin posts, connects.
9. buoyancy aid work pile as claimed in claim 1, it is characterized in that, in the axial external surface of described joint pin, be also arranged at intervals with a plurality of the first resistance pieces along the circumferential direction of described joint pin, resistance for increasing seawater to described joint pin, each axial plane along described joint pin in described a plurality of the first resistance pieces stretches out and is fixedly connected with described joint pin.
10. buoyancy aid work pile as claimed in claim 9, is characterized in that, described the first resistance piece is tabular, and the plate face of described the first resistance piece is perpendicular to the axial external surface of described joint pin.
11. buoyancy aid work piles as claimed in claim 9, is characterized in that, in the axial external surface of described joint pin, between adjacent two the first resistance pieces, are fixedly installed a plurality of the second resistance pieces, the resistance for increasing seawater to described joint pin;
Described a plurality of the second resistance piece arranges along the prolonging direction interval of described joint pin;
Each in described a plurality of the second resistance piece and the axial external surface of described joint pin are the nonparallel angle of cut, and each in described a plurality of the second resistance pieces and described the first resistance piece are the nonparallel angle of cut.
12. buoyancy aid work piles as claimed in claim 11, is characterized in that, described the second resistance piece is tabular, and the plate face of described the second resistance piece is perpendicular to the axial external surface of described joint pin.
13. buoyancy aid work piles as claimed in claim 12, is characterized in that, described the first resistance piece is tabular, and the plate face of described the second resistance piece is perpendicular to the plate face of described the first resistance piece.
14. buoyancy aid work piles as claimed in claim 1, is characterized in that, described joint pin within it portion is also provided with passage, and described passage is for loading ballast in described passage bottom:
When described buoyancy aid work pile is worked in seawater, sea is exposed in one end of described passage, is communicated with atmosphere; The other end of described passage immerses in seawater, and it makes described passage be communicated with seawater, and described passage is not communicated with described buoyancy compartment gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301183.6U CN203921138U (en) | 2014-06-06 | 2014-06-06 | Buoyancy aid work pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301183.6U CN203921138U (en) | 2014-06-06 | 2014-06-06 | Buoyancy aid work pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203921138U true CN203921138U (en) | 2014-11-05 |
Family
ID=51816998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420301183.6U Expired - Fee Related CN203921138U (en) | 2014-06-06 | 2014-06-06 | Buoyancy aid work pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203921138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216971A (en) * | 2014-06-06 | 2016-01-06 | 上海海郑海洋建设工程技术有限公司 | Buoyancy aid work pile |
| CN106516029A (en) * | 2016-11-29 | 2017-03-22 | 哈尔滨工程大学 | Tension leg platform adapting to tidal range through communication holes |
-
2014
- 2014-06-06 CN CN201420301183.6U patent/CN203921138U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216971A (en) * | 2014-06-06 | 2016-01-06 | 上海海郑海洋建设工程技术有限公司 | Buoyancy aid work pile |
| CN105216971B (en) * | 2014-06-06 | 2018-12-21 | 上海海郑海洋建设工程技术有限公司 | Floating body guide pile |
| CN106516029A (en) * | 2016-11-29 | 2017-03-22 | 哈尔滨工程大学 | Tension leg platform adapting to tidal range through communication holes |
| CN106516029B (en) * | 2016-11-29 | 2018-05-18 | 哈尔滨工程大学 | A kind of tension leg platform (TLP) that tidal range is adapted to by intercommunicating pore |
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