CN114408088A - LNG bilge segment and compound permanent structure rings thereof - Google Patents
LNG bilge segment and compound permanent structure rings thereof Download PDFInfo
- Publication number
- CN114408088A CN114408088A CN202111367646.XA CN202111367646A CN114408088A CN 114408088 A CN114408088 A CN 114408088A CN 202111367646 A CN202111367646 A CN 202111367646A CN 114408088 A CN114408088 A CN 114408088A
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- Prior art keywords
- bilge
- groove
- segment
- hanging ring
- lng
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 19
- 239000002131 composite material Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
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
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
Abstract
The invention discloses an LNG bilge part segment and a compound permanent structure lifting ring thereof, wherein the lifting ring comprises a lifting ring body arranged in a bilge part segment, the bottom of the lifting ring body is fixed with a platform plate of the bilge part segment, two sides of the lifting ring body are respectively fixed with an inner shell plate and an outer shell plate of the bilge part segment, a groove is arranged in the middle of the lifting ring body, lifting ring eye plates are respectively arranged on the lifting ring body on two sides of the groove, and a clamping groove is arranged on the side surface of the lifting ring eye plate, which is far away from the groove. According to the structural characteristics of the bilge segment, the compound permanent structure hanging ring which does not need to be cut off is fixed in the bilge segment, so that the construction period is greatly shortened, the construction efficiency is improved, and the production cost of an enterprise is reduced.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to an LNG bilge segment and a compound permanent structure hanging ring thereof.
Background
The LNG bilge segments are positioned at the left and right lower parts of the middle section of the ship body. When the LNG bilge segment is hoisted, a temporary hoisting ring is usually added at the top of the bilge segment, and after the bilge segment is hoisted, the temporary hoisting ring is cut off. Because the temporary hanging ring and the bilge segment are fixedly welded, when the temporary hanging ring is cut off, the structure of the bilge segment is damaged, and after the temporary hanging ring is cut off, the cutting position needs to be polished, which is troublesome and laborious.
Meanwhile, if the mounting position of the temporary hoisting ring is inaccurate, the stress at the hoisting point is unbalanced, and rollover accidents easily occur in the hoisting operation process.
Disclosure of Invention
In view of the above, the present invention provides an LNG bilge segment and a compound permanent structure ring thereof, which are used to solve the above problems in the background art.
The composite permanent structure hanging ring comprises a hanging ring body arranged in a bilge segment, wherein the bottom of the hanging ring body is fixed with a platform plate of the bilge segment, two sides of the hanging ring body are respectively fixed with an inner shell plate and an outer shell plate of the bilge segment, a groove is formed in the middle of the hanging ring body, hanging ring plates are respectively arranged on the hanging ring bodies on two sides of the groove, and a clamping groove used for being fixed with a T-shaped material on the bilge segment is formed in the side, away from the groove, of each hanging ring plate.
Preferably, the clamping groove comprises an upper clamping groove and a lower clamping groove, the upper clamping groove and the lower clamping groove are symmetrically arranged by taking the upper end face of the hanging ring body as a center, two clamping blocks extend out of the panel of the T-shaped section, and the two clamping blocks are clamped in the upper clamping groove and the lower clamping groove respectively.
Preferably, the shape of the inner side surface of the fixture block is matched with the shape of the groove surface of the fixture groove at the clamping position of the fixture block.
Preferably, the lower clamping groove consists of a semicircular groove with the radius of R and an 1/4 circular groove with the radius of R, wherein R is more than or equal to 2R.
Preferably, the upper clamping groove is a semicircular groove with a radius of r.
Preferably, the groove is a semi-waist-shaped groove.
The LNG ship bilge part segment is characterized in that a plurality of T-shaped materials are arranged on an inner shell plate and an outer plate of the bilge part segment at equal intervals, a plurality of compound permanent structure lifting rings are arranged in the bilge part segment along the length direction of the bilge part segment, each compound permanent structure lifting ring comprises a lifting ring body, the bottom of each lifting ring body is fixed to the corresponding platform plate of the bilge part segment, two sides of each lifting ring body are respectively fixed to the inner shell plate and the outer plate of the bilge part segment, a groove is formed in the middle of each lifting ring body, lifting ring eye plates are arranged on the lifting ring bodies on two sides of each groove, and a clamping groove used for being fixed to the T-shaped materials on the bilge part segment is formed in the side face, deviating from the groove, of each lifting ring eye plate.
Preferably, the clamping groove comprises an upper clamping groove and a lower clamping groove, the upper clamping groove and the lower clamping groove are symmetrically arranged by taking the upper end face of the hanging ring body as a center, two clamping blocks extend out of the panel of the T-shaped section, and the two clamping blocks are clamped in the upper clamping groove and the lower clamping groove respectively.
Preferably, the shape of the inner side surface of the fixture block is matched with the shape of the groove surface of the fixture groove at the clamping position of the fixture block.
Preferably, the lower clamping groove consists of a semicircular groove with the radius of R and an 1/4 circular groove with the radius of R, wherein R is more than or equal to 2R.
The invention has the beneficial effects that:
1. according to the invention, according to the structural characteristics of the bilge segment, the composite permanent structure hanging ring which does not need to be cut off is fixed in the bilge segment, so that the problems of long construction period, high construction cost and damage to the bilge segment structure caused by temporary hanging ring cutting off of the traditional construction method are effectively solved, the hanging ring does not need to be cut off after the bilge segment provided with the composite permanent structure hanging ring is hoisted in place, the construction procedures of hanging ring cutting off, polishing, coating and the like can be omitted, the construction period is greatly shortened, the construction efficiency is improved, the expenditure of manpower and material resources is reduced, and the production cost of enterprises is reduced.
2. According to the invention, the original T-shaped material on the bilge segment is welded with the composite permanent structure hanging ring into a whole, so that the structural strength of the whole composite permanent structure hanging ring can be increased, and the lifting safety is effectively ensured.
3. The composite permanent structures are arranged in the bilge segment at equal intervals, so that the balance of hoisting operation can be ensured, and rollover accidents caused by unbalanced stress of hoisting points in the hoisting process are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a compound permanent structural suspension ring.
Fig. 2 is a schematic view of the attachment of the compound permanent structure eye to the bilge segment.
Fig. 3 is a schematic view of the connection between the T-section of the bilge segment and the ring of the composite permanent structure of fig. 2.
The reference numerals in the figures have the meaning:
the hanging ring comprises a hanging ring body 1, a T-shaped section 2, a hanging ring eye plate 3, bilge segments 4, a platform plate 5, an inner shell plate 6, an outer plate 7, a groove 8, a clamping groove 9, an upper clamping groove 10, a lower clamping groove 11, a clamping block 12 and a composite type permanent structure hanging ring 13.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present application, the term "plurality" means two or more unless explicitly stated or limited otherwise; the terms "connected" and "fixed" are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The invention provides a composite permanent structure hanging ring of a bilge part of an LNG ship, which comprises a hanging ring body 1 arranged in a bilge part 4, wherein the bottom of the hanging ring body 1 is fixed with a platform plate 5 of the bilge part 4, and two sides of the hanging ring body are respectively fixed with an inner shell plate 6 and an outer plate 7 of the bilge part 4.
The rings body 1 middle part is provided with a recess 8, and in this embodiment, recess 8 is half waist type groove.
The hanging ring bodies on the two sides of the groove 8 are respectively provided with a hanging ring eye plate 3, and the side surface of the hanging ring eye plate 3 departing from the groove is provided with a clamping groove 9 for fixing with the T-shaped material 2 on the bilge segment 4.
The clamping groove 9 comprises an upper clamping groove 10 and a lower clamping groove 11, wherein the upper clamping groove 10 is a semicircular groove with the radius of R, the lower clamping groove 11 is composed of a semicircular groove with the radius of R and an 1/4 circular groove with the radius of R, and R is larger than or equal to 2R.
The upper clamping groove 10 and the lower clamping groove 11 are symmetrically arranged by taking the upper end face of the hanging ring body 1 as a center, two clamping blocks 12 extend out of the panel of the T-shaped section bar 2, and the two clamping blocks 12 are respectively clamped in the upper clamping groove 10 and the lower clamping groove 11. In this embodiment, the shape of the inner side surface of the clamping block 12 is matched with the shape of the groove surface of the clamping groove at the clamping position.
The composite type permanent structure hanging ring of the LNG bilge part section can be manufactured through an integrated forming process. As shown in fig. 1, the compound permanent structure flying ring has eight sides, namely a, b, c, d, e, f, g and h, which are connected in sequence, wherein a vertical side a is connected with a bent side b, a web plate of a T-shaped material is attached to one side of the bent side b, a bent angle of the bent side b forms a lower clamping groove, and the other side of the bent side b is provided with an upper clamping groove; the bent edge b is sequentially connected with the horizontal edge c, an arc chamfer is arranged at the joint of the bent edge b and the horizontal edge c, the radius of the arc chamfer is determined according to the ship shape of the LNG ship, and the radius of the arc chamfer is generally designed to be 150 mm; the horizontal edge c is sequentially connected with a semi-waist-shaped edge d, and a semi-waist-shaped groove formed by the edge d can be used as a structure passing hole of the LNG ship; the edge d is sequentially connected with the horizontal edge e, the horizontal edge e is sequentially connected with the bending edge f, an arc chamfer is arranged at the joint of the horizontal edge e and the bending edge f, the radius of the arc chamfer is determined according to the ship shape of the LNG ship and is generally designed to be 150 mm; the shape of the bending edge f is the same as that of the bending edge b, and the bending edge f and the bending edge b are in mirror symmetry; the bending edge f is connected with the vertical edge g in sequence.
The invention provides an LNG bilge segment, wherein a plurality of T-shaped materials 2 are arranged on an inner shell plate 6 and an outer plate 7 of the bilge segment at equal intervals, and the T-shaped materials 2 on the inner shell plate 6 are opposite to the T-shaped materials on the outer plate 7. The bilge segment 4 is internally provided with a plurality of the compound permanent structure lifting rings which are arranged at equal intervals along the length direction of the bilge segment 4, the bottom of the compound permanent structure lifting ring 13 is fixed with the platform plate of the bilge segment 4, two sides of the compound permanent structure lifting ring are respectively fixed with the inner casing plate 6 and the outer casing plate 7 of the bilge segment 4, and the panel of the T-shaped material 2 on the bilge segment is clamped in the clamping groove. Through the panel card with T section bar 2 in the draw-in groove to make fixture block 12 on the panel and rings body 1 welded fastening, can increase the structural strength of whole compound permanent structure rings.
According to the structural characteristics of the bilge segment, the compound permanent structure hanging ring which does not need to be cut off is fixed in the bilge segment, so that the problems that the construction period is long, the construction cost is high and the bilge segment structure is damaged due to temporary hanging ring cutting off in the traditional construction method are effectively solved, the hanging ring does not need to be cut off after the bilge segment provided with the compound permanent structure hanging ring is hoisted in place, the construction procedures of hanging ring cutting off, polishing, coating and the like can be omitted, the construction period is greatly shortened, the construction efficiency is improved, the expenditure of manpower and material resources is reduced, and the production cost of enterprises is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The composite permanent structure hanging ring of the LNG ship bilge part is characterized by comprising a hanging ring body arranged in a bilge segment, wherein the bottom of the hanging ring body is fixed with a platform plate of the bilge segment, two sides of the hanging ring body are respectively fixed with an inner shell plate and an outer shell plate of the bilge segment, a groove is formed in the middle of the hanging ring body, hanging ring eye plates are respectively arranged on the hanging ring body on two sides of the groove, and a clamping groove used for being fixed with a T-shaped material on the bilge segment is formed in the side face, away from the groove, of each hanging ring eye plate.
2. The LNG bilge segment composite permanent structure hanging ring according to claim 1, wherein the clamping grooves comprise an upper clamping groove and a lower clamping groove, the upper clamping groove and the lower clamping groove are symmetrically arranged around the upper end face of the hanging ring body, two clamping blocks extend from a panel of the T-shaped material, and the two clamping blocks are respectively clamped in the upper clamping groove and the lower clamping groove.
3. The LNG bilge segment composite permanent structure hanging ring according to claim 2, wherein the shape of the inner side surface of the locking block is matched with the shape of the locking groove surface at the locking position.
4. The LNG bilge segment composite permanent structure hanging ring according to claim 2, wherein the lower neck is composed of a semicircular groove with a radius of R and an 1/4 circular groove with a radius of R, wherein R is more than or equal to 2R.
5. The LNG bilge segment composite permanent structure hanging ring according to claim 2, wherein the upper locking groove is a semicircular groove having a radius r.
6. The LNG bilge segment composite permanent structure hanging ring according to claim 1, wherein the groove is a half-kidney shaped groove.
7. The LNG ship bilge part is characterized in that a plurality of compound permanent structure lifting rings are arranged in the bilge part along the length direction of the bilge part at equal intervals, each compound permanent structure lifting ring comprises a lifting ring body, the bottom of the lifting ring body is fixed to the platform plate of the bilge part, two sides of the lifting ring body are respectively fixed to the inner shell plate and the outer plate of the bilge part, a groove is formed in the middle of the lifting ring body, lifting ring eye plates are arranged on the lifting ring bodies on two sides of the groove respectively, and a clamping groove used for being fixed to the T-shaped materials on the bilge part is formed in the side face, away from the groove, of each lifting ring eye plate.
8. The LNG bilge segment of claim 7, wherein the locking grooves comprise an upper locking groove and a lower locking groove, the upper locking groove and the lower locking groove are symmetrically arranged around the upper end surface of the hanging ring body, two locking blocks extend from the panel of the T-shaped section, and the two locking blocks are respectively locked in the upper locking groove and the lower locking groove.
9. The LNG bilge segment as claimed in claim 7, wherein the shape of the inner side of the latch is matched to the shape of the slot surface at the snap-in position thereof.
10. The LNG bilge segment of claim 7, wherein the lower neck is comprised of a semi-circular groove with a radius R and an 1/4 circular groove with a radius R, wherein R is greater than or equal to 2R.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111367646.XA CN114408088A (en) | 2021-11-18 | 2021-11-18 | LNG bilge segment and compound permanent structure rings thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111367646.XA CN114408088A (en) | 2021-11-18 | 2021-11-18 | LNG bilge segment and compound permanent structure rings thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114408088A true CN114408088A (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111367646.XA Pending CN114408088A (en) | 2021-11-18 | 2021-11-18 | LNG bilge segment and compound permanent structure rings thereof |
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| Country | Link |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201665302U (en) * | 2009-11-10 | 2010-12-08 | 大连船舶重工集团有限公司 | Hull hoisting structure |
| CN206187281U (en) * | 2016-10-18 | 2017-05-24 | 广东中远船务工程有限公司 | A foundary weight device for boats and ships inclination experiment |
| CN107285181A (en) * | 2017-06-09 | 2017-10-24 | 中国核工业二三建设有限公司 | The hanging method of steel containment vessel in nuclear power station |
| KR101787668B1 (en) * | 2016-06-20 | 2017-11-15 | 서울대학교산학협력단 | Lug arrangement computing apparatus based on optimization technic and mechanics in shipbuilding and lug arrangement emthod thereof |
| CN206970008U (en) * | 2017-07-19 | 2018-02-06 | 广船国际有限公司 | Hang code |
| CN110040622A (en) * | 2019-04-30 | 2019-07-23 | 广州黄船海洋工程有限公司 | Thin plate is segmented jigsaw component hoisting tooling and its application method |
| CN110963396A (en) * | 2019-11-15 | 2020-04-07 | 上海江南长兴造船有限责任公司 | Hoisting method of curve type total section |
| CN112455620A (en) * | 2020-12-23 | 2021-03-09 | 上海振华重工启东海洋工程股份有限公司 | Special upper building assembly lifting lug structure |
| CN213326299U (en) * | 2020-10-14 | 2021-06-01 | 中海油能源发展股份有限公司 | Lifting lug for hoisting deck plate of ocean platform |
-
2021
- 2021-11-18 CN CN202111367646.XA patent/CN114408088A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201665302U (en) * | 2009-11-10 | 2010-12-08 | 大连船舶重工集团有限公司 | Hull hoisting structure |
| KR101787668B1 (en) * | 2016-06-20 | 2017-11-15 | 서울대학교산학협력단 | Lug arrangement computing apparatus based on optimization technic and mechanics in shipbuilding and lug arrangement emthod thereof |
| CN206187281U (en) * | 2016-10-18 | 2017-05-24 | 广东中远船务工程有限公司 | A foundary weight device for boats and ships inclination experiment |
| CN107285181A (en) * | 2017-06-09 | 2017-10-24 | 中国核工业二三建设有限公司 | The hanging method of steel containment vessel in nuclear power station |
| CN206970008U (en) * | 2017-07-19 | 2018-02-06 | 广船国际有限公司 | Hang code |
| CN110040622A (en) * | 2019-04-30 | 2019-07-23 | 广州黄船海洋工程有限公司 | Thin plate is segmented jigsaw component hoisting tooling and its application method |
| CN110963396A (en) * | 2019-11-15 | 2020-04-07 | 上海江南长兴造船有限责任公司 | Hoisting method of curve type total section |
| CN213326299U (en) * | 2020-10-14 | 2021-06-01 | 中海油能源发展股份有限公司 | Lifting lug for hoisting deck plate of ocean platform |
| CN112455620A (en) * | 2020-12-23 | 2021-03-09 | 上海振华重工启东海洋工程股份有限公司 | Special upper building assembly lifting lug structure |
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