CN108891533A - A kind of rotatable torpedo anchor of empennage - Google Patents
A kind of rotatable torpedo anchor of empennage Download PDFInfo
- Publication number
- CN108891533A CN108891533A CN201810699779.9A CN201810699779A CN108891533A CN 108891533 A CN108891533 A CN 108891533A CN 201810699779 A CN201810699779 A CN 201810699779A CN 108891533 A CN108891533 A CN 108891533A
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- China
- Prior art keywords
- anchor
- anchor body
- sleeve
- empennage
- axial direction
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/24—Anchors
- B63B21/48—Sea-anchors; Drogues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of rotatable torpedo anchors of empennage, including empennage and anchor body；Several empennages are symmetrically welded on the outside of sleeve；There is one section of its outer diameter to be less than the internal diameter of sleeve with anchor, length is greater than the length of sleeve, and sleeve covers in the section, and the outer diameter of anchor body other parts is greater than the outer diameter of sleeve, and sleeve is limited in the segment limit and can rotate around anchor body.Since empennage and anchor body are substantially separated from each other, empennage can be rotated by sleeve around anchor body, therefore the torque component of anchor chain pulling force can not be directly passed to anchor body, torque has passed to the seabed soil being in close contact with empennage by empennage, to effectively maintain the stability and safety of anchor body, and then improve the anti-pulling capacity of torpedo anchor.
Description
Technical field
The present invention relates to the anchoring technical field of deep-sea floating platform or deep water mesh cage, specifically a kind of empennage is rotatable
Torpedo anchor.
Background technique
Torpedo anchor is one kind of dynamic driving anchor, is generally about 15m, is weighed 130 tons.The shape of anchor itself similar to torpedo,
Therefore torpedo anchor of gaining the name.Anchor body generally has 4 tail fins.Torpedo anchor anchor figure is for example cylindric, inner hollow, can be with filling high density degree
Material such as concrete, old metal etc. maintain its stability to increase self weight and reduce anchor center of gravity, the tapered shape in lower end, just
In injection seabed soil, as shown in Figure 1.
Torpedo anchor is quickly and expediently installed, and when installation does not need by any external force, it is only necessary to from the sufficiently high position in seabed
By its vertical release, it is set to fall by self gravity, and when colliding seabed, by huge inertia force caused by high acceleration
Through sea bed to certain depth.Usual release altitude can reach the final impact velocity of 17m/s when away from seabed 30m, and injection is deep
Degree is about 7m, 30m/s or more can be reached in 150m, depth of penetration is about 20m.Its bearing capacity is about the 3~5 of itself dry weight
Times.The scope of application of torpedo anchor is very wide, structure is simple, reusable, manufacturing cost is low, install convenient and have it is very high
Vertically pulling-resistant bearing capacity can meet the mooring needs of all kinds of offshore platforms well.
Frictional force of the mooring forces of torpedo anchor from its self weight and with the soil body.The usual mooring of anchor chain of traditional torpedo anchor is in anchor
The tail portion of body, under the action of anchor chain pulling force, the load that torpedo anchor is subject to can be analyzed to upward pulling force, shearing and moment of flexure.If
The moored position that anchor chain can be changed, the upward pulling force of the load decomposition for being subject to torpedo anchor, shearing, moment of flexure and torque (torque
The load for instigating torpedo anchor to rotate around its anchor body center line), and make torque on anchor body without influence, then it can improve torpedo anchor
Stress further increases its mooring forces.
Summary of the invention
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of rotatable torpedo anchor of empennage, tail
The wing is separated from each other with axle body, when by torque load, empennage alone bear torque load, to effectively maintain the steady of anchor body
It is qualitative.
In order to achieve the above object, the technical scheme adopted by the invention is as follows：
A kind of rotatable torpedo anchor of empennage, it is characterised in that：Including anchor body, anchor body includes that anchor body axial direction lower section and anchor body are axial
Upper section, the outer diameter of anchor body axial direction lower section are greater than the outer diameter of anchor body axial direction upper section, and anchor body axial direction upper section top is connected with limiting section, limit
The outer diameter in position portion is greater than anchor body axial direction upper section outer diameter, is equipped with centre bore in anchor body, centre bore upper axial end is located at shape in limiting section
Mooring mast is radially equipped in aperture at aperture, and in limiting section, the bottom end of anchor body axial direction lower section is coaxially connected with anchor head, also
Including sleeve, sleeve diameter is greater than or equal to anchor body axial direction upper section outer diameter, and sleeve outer diameter is less than or equal to outside anchor body axial direction lower section
Diameter, sleeve is coaxially placed on anchor body axial direction upper section, and sleeve is limited at the top of anchor body axial direction lower section between limiting section, outside sleeve
Side is connected with multiple empennages.
A kind of rotatable torpedo anchor of empennage, it is characterised in that：Each empennage is respectively parallel to sleeve axial direction, more
A empennage is uniformly distributed on the outside of sleeve respectively, and the lower part of each empennage is oblique, is provided with mooring on one of empennage
Hole.
A kind of rotatable torpedo anchor of empennage, it is characterised in that：The centre bore lower axial end extends to anchor body
Filler is filled in anchor head position, centre bore in axial lower section.
The present invention devises a kind of Novel fish mine anchor, changes the moored position of anchor chain, and anchor chain load is made to generate torque component,
And torque component is undertaken by soil shear strength, anchor body does not undertake torque load, so that the mooring forces of torpedo anchor be made to greatly improve.
Compared with prior art, advantages of the present invention is：
1, traditional torpedo anchor is pulled straight out anchor chain mooring in the upper end of anchor body so that torpedo anchor is easy, and this technology institute
Torpedo anchor is mentioned anchor chain mooring on from the mooring hole on anchor body center line empennage relatively far away from, makes torpedo anchor by eccentric lotus
By itself and the soil body after eccentric load more complicated friction and relative motion are occurred for load, torpedo anchor, it is not easy to it is pulled straight out,
It can bear bigger load.
2, the mentioned torpedo anchor of this technology anchor chain mooring on from the mooring hole on anchor body center line empennage relatively far away from,
The pulling force of anchor chain can be analyzed to upward pulling force, shearing, moment of flexure and torque, and the function and effect of torque are to make empennage around anchor body center
Line rotates, and since empennage and anchor body are substantially separated from each other, empennage can be rotated by sleeve around anchor body, therefore torque
Anchor body can not be passed to, torque has passed to the seabed soil being in close contact with empennage by empennage, to effectively maintain
The stability and safety of anchor body, and then improve the anti-pulling capacity of torpedo anchor.
Detailed description of the invention
Fig. 1 is traditional torpedo anchor three dimensional structure diagram.
Fig. 2 is mentioned torpedo anchor top view by the present invention.
Fig. 3 is mentioned torpedo anchor main view by the present invention.
Fig. 4 is proposed torpedo anchor three dimensional structure diagram by the present invention.
Fig. 5 for the mentioned torpedo anchor of the present invention anchor body three dimensional structure diagram.
Fig. 6 for the mentioned torpedo anchor of the present invention empennage three dimensional structure diagram.
Fig. 7 is mentioned torpedo anchor sectional view by the present invention.
Fig. 8 is mentioned hanging schematic diagram above sea bed before torpedo anchor is constructed by the present invention.
Fig. 9 is mentioned torpedo anchor by self weight injection sea bed schematic diagram by the present invention.
Description of symbols：1, empennage；2, anchor body；2-1 anchor body axial direction lower section；2-2 anchor body axial direction upper section；2-3 limiting section；
3, mooring mast；4, anchor head；5, mooring hole；6, sleeve；7, filler；8, anchor chain；9, cable wire；A, sea bed face.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Fig. 2-Fig. 9, a kind of rotatable torpedo anchor of empennage, including anchor body 2, anchor body 2 include anchor body axial direction lower section
The outer diameter of 2-1 and anchor body axial direction upper section 2-2, anchor body axial direction lower section 2-1 are greater than the outer diameter of anchor body axial direction upper section 2-2, and anchor body is axial
The top upper section 2-2 is connected with limiting section 2-3, and the outer diameter of limiting section 2-3 is greater than anchor body axial direction upper section 2-2 outer diameter, is equipped in anchor body 2
Centre bore, centre bore upper axial end, which is located in limiting section 2-3, forms aperture, and is radially equipped in the aperture in limiting section 2-3
The bottom end of mooring mast 3, anchor body axial direction lower section 2-1 is coaxially connected with anchor head 4, further includes sleeve 6, and 6 internal diameter of sleeve is greater than or equal to
Anchor body axial direction upper section 2-2 outer diameter, 6 outer diameter of sleeve are less than or equal to anchor body axial direction lower section 2-1 outer diameter, and sleeve 6 is coaxially placed on anchor body
Axial upper section 2-2, and sleeve 6 is limited at the top of anchor body axial direction lower section 2-1 between limiting section 2-3, is connected on the outside of sleeve 6
Multiple empennages 1.
Each empennage 1 is respectively parallel to sleeve 6 axially, and multiple empennages 1 are uniformly distributed on the outside of sleeve 6 respectively, each tail
The lower part of the wing 1 is oblique, and mooring hole 5 is provided on one of empennage.
Anchor head 4 is designed as taper.
Centre bore lower axial end extends in anchor body axial direction lower section 2-1 and is filled with filling in 4 position of anchor head, centre bore
Object 7.
As shown in Fig. 2 ~ Fig. 7, the present invention includes the empennage 1 and anchor body 2 being separated from each other；Several empennages 1 symmetrically weld
In the outside of sleeve 6；Have on anchor body 2 one section of its outer diameter be less than sleeve 6 internal diameter, 6 sets of sleeve in the section, the other portions of anchor body 2
The outer diameter divided is greater than the outer diameter of sleeve 6；The inner hollow of anchor body 2, middle vacancy are packed into filler 7, and circular cone is arranged in the lower end of anchor body 2
Mooring mast 3 is arranged in the upper end of the anchor head 4 of shape, anchor body 2.
The nouns of locality such as above-mentioned " outside " referred to, " lower end " are postures when being constructed based on mentioned torpedo anchor to determine.
Mentioned torpedo anchor is suspended to above sea bed when construction, and is in plummet state, as shown in Figure 8.Under this posture, to determine each side
Position word is specifically directed towards, and the noun of locality that other places are mentioned in specification also is estimated to obtain by this posture.Above-mentioned orientation or position
Setting relationship is orientation based on the figure or positional relationship, is merely for convenience of description and simplification description, rather than indicates
It either implies that signified device or component must have a particular orientation, construct and operate, therefore should not be understood as to this hair
Bright limitation.
Fig. 2 ~ Fig. 4 gives the configuration picture of mentioned torpedo anchor.As it can be seen that mentioned torpedo anchor is in symmetry status.
There is one section of its outer diameter to be less than the internal diameter of sleeve 6 on anchor body 2, length is greater than the length of sleeve 6, and 6 sets of sleeve at this
Duan Shang, the outer diameter of 2 other parts of anchor body are greater than the outer diameter of sleeve 6, and sleeve 6 is limited in the segment limit and can revolve around anchor body 2
Turn.
The structural schematic diagram of anchor body 2 is as shown in figure 5, empennage 1 is welded on the structural schematic diagram on sleeve 6 as shown in fig. 6, institute
The sectional view for mentioning torpedo anchor is as shown in Figure 7.As it can be seen that 6 sets of sleeve on anchor body 2, sleeve 6 is substantially separated from each other with anchor body 2
, sleeve 6 can be rotated around anchor body 2.It is only capable of transmitting pulling force (pressure) between sleeve 6 and anchor body 2, and torque can not be transmitted.This theory
The load that bright the mentioned torque of book instigates torpedo anchor to rotate around its anchor body center line, i.e., load component tangential along anchor body.
The lower part of empennage 1 is oblique, and mooring hole 5, one end and 5 phase of mooring hole of anchor chain 8 are arranged on one of empennage 1
Even.
The inner hollow of anchor body 2, middle vacancy are packed into filler 7, filler 7 can be selected highdensity material such as concrete,
Old metal etc. maintains the stability during torpedo anchor injection sea bed to increase the self weight of torpedo anchor and reduce torpedo anchor center of gravity
With verticality.
Sectional view shown in Fig. 7 is relatively straightforward to illustrate the substantive characteristics of mentioned torpedo anchor：Empennage 1 is welded on sleeve 6
On, and 6 sets of sleeve on anchor body 2, sleeve 6 is substantially separated from each other with anchor body 2, the both ends of the sleeve 6 anchor body bigger by diameter
Section limitation, therefore sleeve 6 can only around anchor body 2 rotate and can not wander up and down.
The construction method of mentioned torpedo anchor is as follows：One end mooring of anchor chain 8 on the mooring hole 5 on empennage 1, construction is used
Subsequent disengageable cable wire 9 tie up on the mooring mast 3 of 2 tail portion of anchor body；By cable wire 9 lift by crane torpedo anchor make its be suspended vertically in
At sea bed predetermined distance thereabove, the certain length of decentralization anchor chain 8 makes relaxed state at it and influences on the quick sinking of torpedo anchor
It is preferably minimized, as shown in Figure 8；Then discharge cable wire 9, make torpedo anchor under Gravitative Loads quickly sink and injection sea bed, then
It takes away, remove cable wire 9, that is, complete the construction operation of mentioned torpedo anchor, as shown in Figure 9.
Advantages of the present invention is described below：Traditional torpedo anchor anchor chain mooring in the upper end of anchor body 2 so that torpedo anchor holds
Easily directly pulled out from seabed soil, and the mentioned torpedo anchor of this technology anchor chain mooring relatively far away from from 2 center line of anchor body
Empennage 1 on mooring hole 5 on, make torpedo anchor by eccentric load, torpedo anchor by after eccentric load its occur with the soil body compared with
For complicated friction and relative motion, it is not easy to be pulled straight out, the mooring forces that can be provided are bigger；The mentioned torpedo anchor of this technology
Anchor chain mooring on from the mooring hole 5 on 2 center line of anchor body empennage 1 relatively far away from, the pulling force of anchor chain be can be analyzed to upwards
Pulling force, shearing, moment of flexure and torque, the function and effect of torque are to rotate empennage 1 around 2 center line of anchor body, and due to tail
The wing 1 and anchor body 2 are substantially separated from each other, and empennage 1 can be rotated by sleeve 6 around anchor body 2, therefore torque can not be directly passed to
Anchor body 2, torque has passed to the seabed soil being in close contact with empennage by empennage 1, to substantially increase the stabilization of anchor body
Property.
The function and effect of torque are to rotate empennage 1 around 2 center line of anchor body, and the shearing strength of seabed soil will prevent
The rotation of empennage 1, i.e. torque are finally undertaken by the shearing strength of the 1 periphery soil body of empennage.If torque is excessive, more than seabed soil
When shearing strength, empennage 1 will be rotated around anchor body center line.
In order to ensure rotating freely between sleeve 6 and anchor body 2, can between sleeve 6 and anchor body 2 Coating tape antirust function
Lubricant, lubricating oil.
If only changing anchor chain moored position, torpedo anchor is set to be improved its mooring forces by eccentric load, this improvement can
It is considered as the conventional technical means of fields.The key feature of this technology is：Keep the torque component of eccentric load straight by the soil body
Connect and undertake, by between empennage and anchor body it is mutual rotation make torque can not diameter act on anchor body, the stability and peace of anchor body
Full property greatly improves, and then improves the anti-pulling capacity of torpedo anchor.
The case where partial shape and part connection type of empennage and anchor body are shown only in attached drawing, according to mentioned thinking,
Shape, quantity, sleeve and the anchor body that can change empennage are connected with each other mode, and the empennage for forming other correlation types is rotatable
Torpedo anchor belongs to the equivalent modifications and change of this technology, and details are not described herein again.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
The present invention is not limited to above-mentioned specific embodiment, according to above content, according to the ordinary technical knowledge of this field
And customary means, under the premise of not departing from above-mentioned basic fundamental thought of the invention, the present invention can also make other diversified forms
Equivalent modifications, replacement or change, be within the scope of the present invention.
Claims (3)
1. a kind of rotatable torpedo anchor of empennage, it is characterised in that：Including anchor body, anchor body includes anchor body axial direction lower section and anchor body axis
To upper section, the outer diameter of anchor body axial direction lower section is greater than the outer diameter of anchor body axial direction upper section, and anchor body axial direction upper section top is connected with limiting section,
The outer diameter of limiting section is greater than anchor body axial direction upper section outer diameter, is equipped with centre bore in anchor body, centre bore upper axial end is located in limiting section
Aperture is formed, and is radially equipped with mooring mast in the aperture in limiting section, the bottom end of anchor body axial direction lower section is coaxially connected with anchor head,
It further include sleeve, sleeve diameter is greater than or equal to anchor body axial direction upper section outer diameter, and sleeve outer diameter is less than or equal to anchor body axial direction lower section
Outer diameter, sleeve is coaxially placed on anchor body axial direction upper section, and sleeve is limited at the top of anchor body axial direction lower section between limiting section, sleeve
Outside is connected with multiple empennages.
2. the rotatable torpedo anchor of a kind of empennage according to claim 1, it is characterised in that：Each empennage is respectively parallel to
Sleeve is axial, and multiple empennages are uniformly distributed on the outside of sleeve respectively, and the lower part of each empennage is oblique, on one of empennage
It is provided with mooring hole.
3. the rotatable torpedo anchor of a kind of empennage according to claim 1, it is characterised in that：The centre bore lower axial end
It extends in anchor body axial direction lower section and is filled with filler in anchor head position, centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699779.9A CN108891533A (en) | 2018-06-29 | 2018-06-29 | A kind of rotatable torpedo anchor of empennage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699779.9A CN108891533A (en) | 2018-06-29 | 2018-06-29 | A kind of rotatable torpedo anchor of empennage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108891533A true CN108891533A (en) | 2018-11-27 |
Family
ID=64346923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810699779.9A Pending CN108891533A (en) | 2018-06-29 | 2018-06-29 | A kind of rotatable torpedo anchor of empennage |
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| Country | Link |
|---|---|
| CN (1) | CN108891533A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435566A (en) * | 2022-03-14 | 2022-05-06 | 中国海洋大学 | Cross-medium seabed autonomous drilling type aircraft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834015A (en) * | 1988-03-07 | 1989-05-30 | Alpert Barnett S | Anchor device |
| CN1594028A (en) * | 2003-11-21 | 2005-03-16 | 中国石化集团胜利石油管理局钻井工艺研究院 | Helix underwater positioning device |
| WO2008031142A1 (en) * | 2006-09-13 | 2008-03-20 | Desmond Maslen | The seagrass friendly mooring |
| CN103648900A (en) * | 2011-03-30 | 2014-03-19 | 斯特弗劳斯有限公司 | An anchor assembly |
| CN106394810A (en) * | 2016-10-21 | 2017-02-15 | 东南大学 | Dynamic penetration anchor plate-based ultimate penetration depth determination device |
-
2018
- 2018-06-29 CN CN201810699779.9A patent/CN108891533A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834015A (en) * | 1988-03-07 | 1989-05-30 | Alpert Barnett S | Anchor device |
| CN1594028A (en) * | 2003-11-21 | 2005-03-16 | 中国石化集团胜利石油管理局钻井工艺研究院 | Helix underwater positioning device |
| WO2008031142A1 (en) * | 2006-09-13 | 2008-03-20 | Desmond Maslen | The seagrass friendly mooring |
| CN103648900A (en) * | 2011-03-30 | 2014-03-19 | 斯特弗劳斯有限公司 | An anchor assembly |
| CN106394810A (en) * | 2016-10-21 | 2017-02-15 | 东南大学 | Dynamic penetration anchor plate-based ultimate penetration depth determination device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435566A (en) * | 2022-03-14 | 2022-05-06 | 中国海洋大学 | Cross-medium seabed autonomous drilling type aircraft |
| CN114435566B (en) * | 2022-03-14 | 2023-01-24 | 中国海洋大学 | Cross-medium seabed autonomous drilling type aircraft |
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Application publication date: 20181127 |
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