CN107299645A - Deep-sea bamboo joint type suction anchor - Google Patents
Deep-sea bamboo joint type suction anchor Download PDFInfo
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- CN107299645A CN107299645A CN201610523474.3A CN201610523474A CN107299645A CN 107299645 A CN107299645 A CN 107299645A CN 201610523474 A CN201610523474 A CN 201610523474A CN 107299645 A CN107299645 A CN 107299645A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/50—Anchored foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0073—Details of sea bottom engaging footing
- E02B2017/0078—Suction piles, suction cans
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of deep-sea bamboo joint type suction anchor, including bamboo joint type anchor cylinder, bearing and rotation sprayer, bamboo joint type anchor cylinder is bottom-open, the cylinder of top closure, laemodipodiform structure of some sections around the outwardly convex of stack shell is formed with the middle and upper part point of the stack shell of the anchor cylinder at equal intervals, the lower middle portion of the stack shell of the anchor cylinder is the cylindrical shape expanded, and the outside diameter of cylinder of enlargement is more than the external diameter of laemodipodiform structure, the top cover of the anchor cylinder is provided with the osculum communicated with inner barrel, rotation sprayer is located in cylinder, and rotation sprayer is connected by bearing with the top cover inwall of anchor cylinder, and it is fixed on bamboo joint type anchor cylinder top cover circle centre position, suction anchor needed for composition.The suction anchor can increase side friction, it is ensured that suction anchor energy sinking is greatly enhanced suction anchor vertical bearing capacity and Ultimate Up-lift Bearing Capacity to predetermined projected depth.
Description
Technical field
The present invention relates to a kind of building technology, especially a kind of deep-sea bamboo joint type suction anchor.
Background technology
Suction anchor structure is generally top closure, the inversion tubular of open at its lower end, and anchor cylinder side-wall material is steel, top cover one
As be steel and Reinforced Concrete Materials, anchor cylinder top cover suction eye is left to connect draw water pipeline and immersible pump.Originally by weight
Power sinks to seabed certain depth, then using water body in diving under water pumped cylinder, forms inside and outside differential pressure, under making anchor cylinder slow
It is heavy.When anchor cylinder top is contacted with seabed, anchor cylinder sinks to stopping, and now sheds immersible pump, suction anchor installation.Due to
Easy construction, speed of application are fast（Suction basis such as a diameter 9m height 10m can sink to pass through in 1~3 hour to be finished, and
Only used a suction pump), repeatable utilize and to be widely used in various moorings the advantages of cost afloat floating
The basis of dynamic formula works and ocean platform.
With the continuous improvement of technology, ocean engineering gradually develops to deep-sea, because the piling technology problem at deep-sea is difficult to
Solve, cause a formula anchor deep-sea installation difficulty big, when the depth of water is more than 1000m, stake formula anchor has not been applied to.Suction anchor is at deep-sea
It is easy construction, safe and reliable and can reuse, it is the base form for having preferable development prospect in the engineering of deep-sea.Suction
Anchor diameter is general between 3~12m, and draw ratio changes typically between 1~6；At present, the basic draw ratio maximum of suction has reached
10, length reaches 30.5m.After suction anchor installation, negative pressure disappears, and suction anchor at this moment is actually just as conventional flush type
Stub, bearing capacity relies primarily on the frictional force of cylinder inside and outside wall and soil.Therefore, design a kind of simple in construction and can greatly increase
Side friction is the problem of having to be solved at present so as to the suction anchor for improving vertical bearing capacity and Ultimate Up-lift Bearing Capacity.
Related die present Research is as follows：
（1）A kind of suction type foundation used on sea-bottom of Application No. 200710177337.X Introduction To Cn Patent.The suction anchor bag
The stable disk of anchor bucket and anchor top upper end is included, the softening degree of suction anchor surrounding soil is reduced, eliminates liquefaction of soil mass, improve
The stability and reliability of suction anchor, but the suction type foundation can not increase side friction, it is impossible to improve suction anchor and vertically carry
Power and Ultimate Up-lift Bearing Capacity.
（2）A kind of undersea skirt-type suction anchor of the Introduction To Cn Patent of Application No. 200920239914.8.The suction anchor
Including anchor bucket and be connected with the stopping-off piece of shirt rim, solve that suction type foundation construction cost is high, horizontal bearing capacity is small and staving on
Seabed soil erosion problem around portion, but the suction anchor can not increase side friction, it is impossible to improve suction anchor vertical bearing capacity
And Ultimate Up-lift Bearing Capacity.
（3）The Introduction To Cn Patent of Application No. 200910225767.3 a kind of expanded type deep-sea suction anchor and its installation
Method, the suction anchor can increase the vertical bearing capacity and withdrawal resistance of deep-sea anchor, but the suction anchor can not greatly increase side and rub
Resistance, its installation method process is complicated and can not greatly improve suction anchor vertical bearing capacity and Ultimate Up-lift Bearing Capacity.
（4）A kind of undersea suction anchor of Application No. 201310091856.X Introduction To Cn Patent.The suction anchor includes
Main bucket, sheath skirt and anchor branch etc., whole vertical section is in " umbrella " shape, improves the resistance to overturning of suction anchor, increase withdrawal resistance and level
Bearing capacity, strengthens anti-wave erosion property, but the suction anchor can not increase side friction, it is impossible to be greatly enhanced suction anchor vertical
Bearing capacity and Ultimate Up-lift Bearing Capacity.
（5）A kind of suction anchor with attached skirts of the Introduction To Cn Patent of Application No. 201310566730.3.The suction
Power anchor includes anchor cylinder, attached skirts, many pulling force chains and guide ring, there is good veritcal limit bearing capacity, but the suction anchor
Side friction can not be greatly increased, its installation method process is complicated and can not greatly improve suction anchor vertical bearing capacity and pole
Limit anti-pulling capacity.
The content of the invention
The purpose of the present invention is that there is provided a kind of deep-sea bamboo joint type suction anchor, the suction to overcome above-mentioned the deficiencies in the prior art
Power anchor can increase side friction, it is ensured that suction anchor energy sinking is greatly enhanced suction anchor and vertically carried to predetermined projected depth
Power and Ultimate Up-lift Bearing Capacity.
To achieve the above object, the present invention uses following technical proposals：
A kind of deep-sea bamboo joint type suction anchor, including bamboo joint type anchor cylinder, bearing and rotation sprayer, bamboo joint type anchor cylinder are spacious for bottom
Open, the cylinder of top closure, convexes of some sections around stack shell are formed with equal intervals on the middle and upper part point of the stack shell of anchor cylinder
The laemodipodiform structure risen, the lower middle portion of the stack shell of the anchor cylinder is the cylindrical shape expanded, and the outside diameter of cylinder of enlargement is big
In the external diameter of laemodipodiform structure, the top cover of the anchor cylinder is provided with the osculum communicated with inner barrel, and rotation sprayer is located at
In cylinder, and rotation sprayer is connected by bearing with the top cover inwall of anchor cylinder, and is fixed on bamboo joint type anchor cylinder top cover circle
At the heart, suction anchor needed for composition.
The length of the stack shell enlargement of the anchor cylinder accounts for the 1/6-1/5 of stack shell total length.
External diameter big 0.1-1m of the stack shell enlargement external diameter than laemodipodiform structure of the anchor cylinder.
Anchor cylinder external diameter big 1-3m of the laemodipodiform structure external diameter than non-laemodipodiform structure division on the stack shell of the anchor cylinder.
The spacing of some section laemodipodiform structures is 0.1-1.5m.
The outer ring of the bearing is connected with shower nozzle, and the inner ring of bearing is connected with bamboo joint type anchor cylinder top cover, bearing
It is hollow constitute sprayer channel and with anchor cylinder ft connection, high-pressure hydraulic is entered shower nozzle.
The rotation sprayer top half be the hollow short tube equal with bearing outer diameter, the upper end of hollow short tube with
Bearing outer ring is connected to one；Rotation sprayer the latter half is the semicircle disk body of boring, and semicircle disk body is flat
The lower surface of face section part and hollow short tube is tightly connected, and the cavity of hollow short tube is connected with the hollow of semicircle disk body, semi-disc
It is respectively 0 °, 30 °, 45 °, 60 ° and 90 ° of diversion conduit to be provided with the curved edge of body with semi-disc body section angle, is drawn
Water conduit is connected with the hollow of semicircle disk body, when water under high pressure sprays along diversion conduit, and fan-shaped impact water can be formed in vertical plane
Post；
0 ° of diversion conduit is horizontally extending, and the horizontal bending of end section, the elongated central line and axle of dogleg section
Bearing outer-ring is tangent, can produce circumferentially tangential reaction force with the ejection of water under high pressure, realize shower nozzle spinning, and then water column
The external all soil in anchor cylinder cross section of meeting are filled in row and washed away, and not only realize and anchor cylinder side wall soil is washed away, and expand remaining diversion
Conduit washes away scope.
The semicircle disk body is perpendicular to the lower surface of hollow short tube, and this be vertically arranged is diversion conduit water outlet for convenience
Angle sets accurate, in the presence of water under high pressure, and the water outlet of diversion conduit, which can wash away the soil plug in anchor cylinder, is diluted to turbid liquid,
Facilitate outside mud turbid solution to the cylinder in immersible pump order suction cylinder.
90 ° of diversion conduits are two be arranged side by side, and two diversion conduits can realize larger water yield, impulsive force
Greatly.
Two 0 ° of diversion conduits are respectively symmetrically arranged on the center line of semicircle disk body arcwall face, with the ejection of water under high pressure
Circumferentially tangential reaction force can be produced, shower nozzle spinning is realized.
Two adjacent diversion conduits intersect dislocation respectively in 30 ° of diversion conduits, 45 ° of diversion conduits and 60 ° of diversion conduits
It is arranged at the center line both sides of semicircle disk body arcwall face.Diversion malpositioned tip is arranged in a crossed manner can to utilize water under high pressure from different azimuth
Soil plug in more efficient impact anchor cylinder, is prevented effectively from the generation of soil plug.
Osculum at the top of the anchor cylinder is located at anchor cylinder top center side, and has spacing between rotation sprayer, keeps away
Exempt from rotation sprayer and stop that the water in anchor cylinder is discharged.
Osculum connection draw water pipeline and immersible pump at the top of the anchor cylinder, facilitate the water in anchor cylinder to be extracted.
The anchor cylinder top outer is symmetrically arranged with two suspension hooks, is easy to the installation of suction anchor to position.
During operation, soil body water percolating capacity sum is necessarily less than the flow that draws water of immersible pump during being passed through under suction anchor negative pressure, makes
Shower nozzle persistently sprays water under high pressure and soil in bamboo joint type anchor cylinder is filled in go and washes away, and ensures that suction anchor is protected in immersible pump pump process
Hold and passed through under negative regulation.
In suction anchor sinking watching, because bamboo joint type anchor cylinder bottom external diameter is bigger than ring, bottom is reserved after sinking for top
Enough enables anchor cylinder and ring smoothly to sink without soil space, and the soil body also resulted in into cylinder is certain than sea bed plane
Height, forms higher " soil plug "；Using the water in pumping bamboo joint type anchor cylinder of diving under water, produce negative pressure and down force is provided, water is at deep-sea
Enter shower nozzle under high pressure effect, shower nozzle can rotate automatically, and then impact " soil plug " and muddy as mud inside bamboo joint type anchor cylinder
Turbid liquid, by diving under water, pumped cylinder is outer, suction anchor is smoothly sunk.
Compared with traditional suction anchor and installation method, the invention provides a kind of deep-sea bamboo joint type suction anchor.By inhaling
The ring around projection is formed with power anchor stack shell at equal intervals, the side friction of suction anchor is greatly enhanced；Due to bamboo joint type anchor cylinder
Bottom external diameter is bigger than ring, bottom sink after for top reserve it is enough without soil space enable anchor cylinder and ring smoothly sink,
The soil body also resulted in into cylinder is certain higher than sea bed plane, forms higher " soil plug ", can by being set in anchor barrel top cover
The soil plug formed in the characteristics of self-rotating nozzle, hydraulic pressure high using seabed, impact cylinder, makes it be sufficiently mixed with water body, as mud
Turbid solution is starched, is continued in immersible pump in suction cylinder during water body, mud turbid solution is discharged outside cylinder with it, effectively eliminates soil
Plug, realizes that the smooth installation of suction anchor is sunk.Hereafter, because submarine soil washes away caused flowing under the effect of seabed undercurrent
Characteristic, suction anchor surrounding soil gradually can be drawn close to it, with i.e. buried.Suction can be greatly improved after installing successfully in suction anchor
Anchor vertical bearing capacity and Ultimate Up-lift Bearing Capacity.
Brief description of the drawings
Fig. 1 is structural profile schematic diagram of the present invention.
Fig. 2 is nozzle structure schematic diagram of the present invention.
Fig. 3 is nozzle structure top view of the present invention.
Fig. 4 is that suction anchor of the present invention implements figure.
In figure：1. bamboo joint type anchor bucket, 2. shower nozzles, 3. osculums, 4. suspension hooks, 5. bearings, 6. diversion conduits, 7. laemodipodiform knots
Structure.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Structure, ratio, size depicted in this specification institute accompanying drawings etc., only to coordinate in disclosed in specification
Hold, so that those skilled in the art is understood with reading, be not limited to enforceable qualifications of the invention, therefore do not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influenceing the present invention
Under raw effect and the purpose that can reach, all should still it fall in the range of disclosed technology contents are obtained and can covered.
Meanwhile, the term of cited such as " on ", " under " in this specification, "left", "right", " centre " and " one " is merely convenient to
Narration understands, and be not used to limit enforceable scope of the invention, and its relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as enforceable category of the invention.
As shown in Figure 1,2 and 3, a kind of deep-sea bamboo joint type suction anchor, including bamboo joint type anchor cylinder 1, bearing 5 and shower nozzle 2, wherein
Bamboo joint type anchor cylinder 1 is the cylinder of bottom-open, top closure, is formed with equal intervals on the middle and upper part point of the stack shell of the anchor cylinder some
Save the laemodipodiform structure 7 of the outwardly convex around stack shell, the lower middle portion of the stack shell of anchor cylinder is the cylindrical shape expanded, and swollen
Most outside diameter of cylinder is more than the external diameter of laemodipodiform structure, and the top cover of the anchor cylinder is provided with the draining communicated with inner barrel
Hole 3 and suspension hook 4, are easy to the location and installation of suction anchor.Rotation sprayer 2 is located in cylinder, and rotation sprayer 2 passes through bearing 5
It is connected with bamboo joint type anchor 1 top cover inwall of cylinder, and is fixed on bamboo joint type anchor 1 top cover circle centre position of cylinder, suction anchor needed for composition.
The spacing of laemodipodiform structure 7 of bamboo joint type anchor cylinder 1 is 0.1m to 1.5m, and the external diameter of shape structure ring 7 is than non-ring portion
The external diameter big 1m to 3m of point anchor cylinder, specifically with suction anchor actual design requirement depending on.
The bottom external diameter increase of bamboo joint type anchor cylinder 1, than big 0.1m to the 1m of external diameter of laemodipodiform structure 7, at anchor tin external diameter increase
Height be 2m to 4m, account for the 1/6-1/5 of stack shell total length.Specifically with the initial depth of penetration of suction anchor and actual design requirement
It is fixed.
The outer ring of bearing 5 is connected with rotation sprayer 2, and inner ring and bamboo joint type anchor 1 top cover of cylinder of bearing 5 are linked to be one
Body, bearing 5 it is hollow constitute the passage of rotation sprayer 2 and and ft connection, make high-pressure hydraulic enter rotation sprayer 2.
The top half of rotation sprayer 2 is the hollow short tube equal with bearing outer diameter, the upper end of hollow short tube and axle
Bearing outer-ring is connected to one；The latter half of rotation sprayer 2 is the semicircle disk body of boring, and the plane of semicircle disk body
The lower surface of section part and hollow short tube is tightly connected, and the cavity of hollow short tube is connected with the hollow of semicircle disk body, semicircle disk body
Curved edge on to be provided with semi-disc body section angle be respectively 0 °, 30 °, 45 °, 60 ° and 90 ° of diversion conduit 6, diversion
Conduit 6 is connected with the hollow of semicircle disk body, when water under high pressure sprays along diversion conduit, and fan-shaped impact water can be formed in vertical plane
Post.
0 ° of diversion conduit is horizontally extending, and the horizontal bending of end section, the elongated central line and axle of dogleg section
Bearing outer-ring is tangent, can produce circumferentially tangential reaction force with the ejection of water under high pressure, realize the spinning of shower nozzle 2, Jin Ershui
Post can all soil in external anchor cylinder cross section fill in row and wash away, not only realize and anchor cylinder side wall soil washed away, and expand remaining and draw
Water conduit washes away scope.
Semicircle disk body is perpendicular to the lower surface of hollow short tube, and this be vertically arranged is the angle of run of diversion conduit 6 for convenience
Degree sets accurate, in the presence of water under high pressure, and the water outlet of diversion conduit, which can wash away the soil plug in anchor cylinder, is diluted to turbid liquid, side
Just outside mud turbid solution to the cylinder in immersible pump order suction cylinder.
90 ° of diversion conduits are two be arranged side by side, and two diversion conduits can realize larger water yield, impulsive force
Greatly.
Two 0 ° of diversion conduits are respectively symmetrically arranged on the center line of semicircle disk body arcwall face, with the ejection of water under high pressure
Circumferentially tangential reaction force can be produced, shower nozzle spinning is realized.
Two adjacent diversion conduits intersect dislocation respectively in 30 ° of diversion conduits, 45 ° of diversion conduits and 60 ° of diversion conduits
It is arranged at the center line both sides of semicircle disk body arcwall face.The staggered cross of diversion conduit 6, which is set, can utilize water under high pressure never Tongfang
Soil plug in the more efficient impact anchor cylinder in position, is prevented effectively from the generation of soil plug.
Osculum 3 at the top of anchor cylinder is located at anchor cylinder top center side, and has between rotation sprayer spacing, it is to avoid can
Rotary nozzle stops that the water in anchor cylinder is discharged.The connection draw water pipeline of osculum 3 and immersible pump at the top of anchor cylinder, facilitate in anchor cylinder
Water be extracted.Anchor cylinder top outer is symmetrically arranged with two suspension hooks 4, is easy to the installation of suction anchor to position.
During operation, soil body water percolating capacity sum is necessarily less than the flow that draws water of immersible pump during being passed through under suction anchor negative pressure, makes
Shower nozzle persistently sprays water under high pressure and soil in bamboo joint type anchor cylinder is filled in go and washes away, and ensures that suction anchor is protected in immersible pump pump process
Hold and passed through under negative regulation.
As shown in figure 4, in the suction anchor sinking watching, because bamboo joint type anchor 1 bottom external diameter of cylinder is than laemodipodiform structure 7
Greatly, bottom sink after for top reserve it is enough without soil space enable anchor cylinder 1 and laemodipodiform structure 7 smoothly sink, lead simultaneously
Cause the soil body entered in cylinder certain higher than sea bed plane, form higher " soil plug "；Using in pumping bamboo joint type anchor cylinder 1 of diving under water
Water, produces negative pressure and provides down force, water enters shower nozzle 2 under Deep-sea high voltage effect, and shower nozzle 2 can rotate automatically, and then impact bamboo
" the soil plug " of the inside of section formula anchor cylinder 1 and as mud turbid solution, by diving under water outside pumped cylinder, suction anchor is set smoothly to sink.
Compared with traditional suction anchor and installation method, the present invention by being formed with around projection at equal intervals with Suction anchor buckets
Laemodipodiform structure 7, be greatly enhanced the side friction of suction anchor；Because bamboo joint type anchor 1 bottom external diameter of cylinder is than laemodipodiform structure 7
Greatly, bottom sink after for top reserve it is enough without soil space enable anchor cylinder 1 and laemodipodiform structure 7 smoothly sink, lead simultaneously
Cause the soil body entered in cylinder certain higher than sea bed plane, form higher " soil plug ", can by being set in bamboo joint type anchor 1 top cover of bucket
The soil plug formed in the characteristics of self-rotating nozzle 2, hydraulic pressure high using seabed, impact cylinder, makes it be sufficiently mixed with water body, as mud
Turbid solution is starched, is continued in immersible pump in suction cylinder during water body, mud turbid solution is discharged outside cylinder with it, effectively eliminates soil
Plug, realizes that the smooth installation of suction anchor is sunk.Hereafter, because submarine soil washes away caused flowing under the effect of seabed undercurrent
Characteristic, suction anchor surrounding soil gradually can be drawn close to it, with i.e. buried.Suction can be greatly improved after installing successfully in suction anchor
Anchor vertical bearing capacity and Ultimate Up-lift Bearing Capacity.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. a kind of deep-sea bamboo joint type suction anchor, it is characterized in that, including bamboo joint type anchor cylinder, bearing and rotation sprayer, bamboo joint type anchor
Cylinder is to be formed with some sections at equal intervals around cylinder on bottom-open, the cylinder of top closure, the middle and upper part point of the stack shell of the anchor cylinder
The laemodipodiform structure of the outwardly convex of body, the lower middle portion of the stack shell of anchor cylinder is the cylindrical shape expanded, and enlargement
Outside diameter of cylinder is more than the external diameter of laemodipodiform structure, and the top cover of the anchor cylinder is provided with the osculum communicated with inner barrel, can revolved
Turn shower nozzle in cylinder, and rotation sprayer is connected by bearing with the top cover inwall of anchor cylinder, and it is fixed on bamboo joint type
Anchor cylinder top cover circle centre position, suction anchor needed for composition.
2. bamboo joint type suction anchor in deep-sea as claimed in claim 1, it is characterized in that, the length of the stack shell enlargement of the anchor cylinder
Account for the 1/6-1/5 of stack shell total length；External diameter big 0.1-1m of the stack shell enlargement external diameter than laemodipodiform structure of the anchor cylinder.
3. bamboo joint type suction anchor in deep-sea as claimed in claim 1, it is characterized in that, on the stack shell of the anchor cylinder outside laemodipodiform structure
Anchor cylinder external diameter big 1-3m of the footpath than non-laemodipodiform structure division；The spacing of some section laemodipodiform structures is 0.1-1.5m.
4. bamboo joint type suction anchor in deep-sea as claimed in claim 1, it is characterized in that, outer ring and the shower nozzle of the bearing are linked to be one
Body, the inner ring of bearing is connected with bamboo joint type anchor cylinder top cover, bearing is hollow constitute sprayer channel and with the ft connection of anchor cylinder,
High-pressure hydraulic is set to enter shower nozzle.
5. bamboo joint type suction anchor in deep-sea as claimed in claim 1, it is characterized in that, the rotation sprayer top half is and axle
The equal hollow short tube of bearing outer-ring diameter, upper end and the bearing outer ring of hollow short tube are connected to one；Under rotation sprayer
Half portion is divided into the semicircle disk body of boring, and the lower surface of the plane section part and hollow short tube of semicircle disk body is tightly connected,
The cavity of hollow short tube is connected with the hollow of semicircle disk body, is provided with and is pressed from both sides with semi-disc body section on the curved edge of semicircle disk body
Angle is respectively 0 °, 30 °, 45 °, 60 ° and 90 ° of diversion conduit, and diversion conduit is connected with the hollow of semicircle disk body, when water under high pressure edge
When diversion conduit sprays, fan-shaped impact water column can be formed in vertical plane.
6. bamboo joint type suction anchor in deep-sea as claimed in claim 5, it is characterized in that, 0 ° of diversion conduit prolongs in the horizontal direction
Stretch, and the horizontal bending of end section, the elongated central line and bearing outer ring of dogleg section are tangent；0 ° of diversion conduit has two, two
0 ° of diversion conduit of root is respectively symmetrically arranged on the center line of semicircle disk body arcwall face, can be produced along circle with the ejection of water under high pressure
All tangential reaction forces, realize shower nozzle spinning.
7. bamboo joint type suction anchor in deep-sea as claimed in claim 5, it is characterized in that, the semicircle disk body is perpendicular to hollow short tube
Lower surface.
8. bamboo joint type suction anchor in deep-sea as claimed in claim 5, it is characterized in that, 90 ° of diversion conduits are two be arranged side by side；
Two adjacent diversion conduits intersect respectively in 30 ° of diversion conduits, 45 ° of diversion conduits and 60 ° of diversion conduits shifts to install
In the center line both sides of semicircle disk body arcwall face.
9. bamboo joint type suction anchor in deep-sea as claimed in claim 1, it is characterized in that, the osculum at the top of the anchor cylinder is located at anchor cylinder
Top center side, and have between rotation sprayer spacing；Osculum connects draw water pipeline and immersible pump；The anchor cylinder top
Outside is symmetrically arranged with two suspension hooks.
10. bamboo joint type suction anchor in deep-sea as claimed in claim 1, it is characterized in that, during operation, during being passed through under suction anchor negative pressure
Soil body water percolating capacity sum is necessarily less than the flow that draws water of immersible pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523474.3A CN107299645B (en) | 2016-07-06 | 2016-07-06 | Deep-sea bamboo joint type suction anchor |
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|---|---|---|---|
| CN201610523474.3A CN107299645B (en) | 2016-07-06 | 2016-07-06 | Deep-sea bamboo joint type suction anchor |
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| CN107299645A true CN107299645A (en) | 2017-10-27 |
| CN107299645B CN107299645B (en) | 2019-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227360A (en) * | 2020-09-25 | 2021-01-15 | 福建新华夏建工有限公司 | High-pulling-resistance-strength foundation reinforcing device for rotary jet drilling machine |
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| KR20150045013A (en) * | 2013-10-17 | 2015-04-28 | 대우조선해양 주식회사 | Spud apparatus, jack-up rig having the same, and method for fixing spud can using ground monitoring |
| CN205314125U (en) * | 2015-11-05 | 2016-06-15 | 山东科技大学 | Can strengthen novel suction anchor of withdrawal resistance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227360A (en) * | 2020-09-25 | 2021-01-15 | 福建新华夏建工有限公司 | High-pulling-resistance-strength foundation reinforcing device for rotary jet drilling machine |
| CN112227360B (en) * | 2020-09-25 | 2021-10-29 | 福建新华夏建工有限公司 | High-pulling-resistance-strength foundation reinforcing device for rotary jet drilling machine |
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