CN203666910U - Damping-type oscillation-preventing hold wall used for independent C-type cargo hold of liquefied natural gas (LNG) filling ship - Google Patents
Damping-type oscillation-preventing hold wall used for independent C-type cargo hold of liquefied natural gas (LNG) filling ship Download PDFInfo
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- CN203666910U CN203666910U CN201420004234.9U CN201420004234U CN203666910U CN 203666910 U CN203666910 U CN 203666910U CN 201420004234 U CN201420004234 U CN 201420004234U CN 203666910 U CN203666910 U CN 203666910U
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Abstract
The utility model discloses a damping-type oscillation-preventing hold wall used for an independent C-type cargo hold of a liquefied natural gas (LNG) filling ship, and belongs to the technical field of liquid cargo oscillation prevention of LNG filling ships and independent C-type cargo holds. The damping-type oscillation-preventing hold wall has the function of reducing oscillation of liquid cargos in the independent C-type cargo holds, is composed of a crosswise groove-type reinforcing ring connected with the independent C-type cargo hold, pored transverse partition plates connected with the crosswise reinforcing ring through springs, reinforcing ribs connected onto the pored transverse partition plates, and common hinged spring hole-opening lids, and is mounted on the two ends of the independent C-type cargo hold. The oscillation-preventing hold wall is characterized by being simple in structure, limited in a elastic damping manner, excellent in technique, convenient to install, low in cost, and capable of effectively restraining oscillation of the liquid cargos. The oscillation-preventing hold wall provided by the utility model is not only suitable for reducing oscillation of the independent C-type cargo holds used for the LNG filling ships, but also suitable for reducing oscillation of LNG storage tanks.
Description
Technical field
The utility model relates to a kind of damping type resistance for LNG filling ship independence C type cargo hold and swings bulkhead, is that independent C type cargo hold reduces to rock impact structure, belongs to LNG filling boats and ships and the anti-liquid goods of independent C type cargo hold and rocks technical field.
Background technology
In the time that the liquid in LNG filling ship independence C type cargo hold is not filled, in wave, navigate by water, the liquid in cabin can rock phenomenon.Strong rocking can directly cause serious average pollution incident, and for the independent C type cargo hold of longitudinally arranging, in the time that the natural frequency of liquid sloshing approaches the pitch frequency of boats and ships, rocking and pitching motion generation resonance of liquid, thereby cause independent C type cargo hold bulkhead to produce the very large impact of rocking, because this rocks impact, the parts that form this independent C type cargo hold may be damaged.Inevitably there is the above-mentioned phenomenon of rocking due to the motion of the LNG filling ship in ocean, therefore concern and the attention of rocking safety problem and be subject to all circles of LNG filling ship, in design, independent C type cargo hold should be designed to have sufficient intensity and rock load with tolerance.At present, fixing cross wall being set conventionally reduces to rock.But the method is higher to the requirement of strength of cross wall self, and to reduce to rock effect be not fine.Therefore, design a kind of resistance simple and reliable for structure, that engineering adaptability is strong and swing bulkhead, thereby realize, liquid sloshing in LNG filling ship independence C type cargo hold be suppressed.
Summary of the invention
In order to overcome problems of the prior art, the utility model provides a kind of damping type resistance for LNG filling ship independence C type cargo hold to swing bulkhead, bulkhead is swung in this resistance can be in LNG annotates the operation process of ship, change the slosh frequency of liquid in cabin, weaken the impulsive force that rocks of liquid in cabin, to reduce the destruction to independent C type cargo component.
The technical solution adopted in the utility model is: bulkhead is swung in a kind of damping type resistance for LNG filling ship independence C type cargo hold, comprise independent C type cargo hold, described independent C type cargo hold is provided with damping type resistance and swings bulkhead, and damping type resistance is swung porose cross wall that bulkhead comprises the horizontal flute profile reinforcing pad that is connected with independent C type cargo hold inwall, is connected through No. 1 spring with horizontal flute profile reinforcing pad, is connected to the reinforced rib on porose cross wall and cuts with scissors altogether formula spring vented cap; Described horizontal flute profile reinforcing pad adopts groove type structure, fixes along horizontal one week position of independent C type cargo hold, is arranged on the two ends in independent C type cargo hold, with the saddle of independent C type cargo hold in same plane; Described porose cross wall is arranged on the midway location of horizontal flute profile reinforcing pad, and pros and cons adopts No. 1 spring to link together with horizontal flute profile reinforcing pad elasticity; Described No. 1 spring is symmetrical in porose cross wall in the groove of horizontal flute profile reinforcing pad, within horizontal one week, distributes fixing along independent C type cargo hold.
Described porose cross wall adopts the stiffened panel structure of the straight plate composition of multiple equidistant vertical reinforced ribs, multiple equidistant horizontal stiffener and perforate, and perforate is arranged on the panel centre that described reinforced rib forms, and the shape of described perforate has circular port or square opening.
Described cut with scissors altogether formula spring vented cap adopt link pin and be fixed on cross wall on the bearing formation hinge through of perforate top be connected, be crisscross arranged at the pros and cons of porose cross wall, form has circular lid or the square lid of the perforate of covering.On described link pin, cover has two No. 2 springs, and one end of described No. 2 springs is embedded in the groove of bearing, and the other end is embedded in the groove on common hinge formula spring vented cap lid arm.
The described formula spring vented cap of cutting with scissors altogether adopts link pin to be connected with the bearing formation hinge through that is fixed on perforate below, is arranged in the perforate of porose cross wall, and form has circular lid or the square lid of the perforate of passing through.On described link pin, cover has two No. 2 springs, and one end of No. 2 springs is embedded in the groove in bearing front, and the other end is embedded in the front groove on lid arm of common hinge formula spring vented cap; One end of another No. 2 springs is embedded in the groove of bearing reverse side, and the other end is embedded in the negative grooves on another lid arm of common hinge formula spring vented cap.
The beneficial effects of the utility model are: this damping type resistance for LNG filling ship independence C type cargo hold is swung bulkhead and had and reduce the damping type resistance that liquid goods in independent C type cargo hold rocks function and swing bulkhead, it by the horizontal flute profile reinforcing pad being connected with independent C type cargo hold, with porose cross wall that laterally reinforcing pad is connected through spring, be connected to the reinforced rib on porose cross wall and cut with scissors altogether formula spring vented cap and form, be arranged on the two ends of independent C type cargo hold.This resistance swing bulkhead feature be simple in structure, elastic damping formula is spacing, manufacturability is good, easy for installation, cheap, can effectively suppress rocking of fluid cargo.Be not only applicable to LNG filling ship independent C type cargo hold peculiar to vessel and reduce to rock, and be applicable to liquefied gas storage and reduce to rock.
Brief description of the drawings
Fig. 1 is that bulkhead plan is swung in a kind of damping type resistance for LNG filling ship independence C type cargo hold.
Fig. 2 is the partial enlarged view of the A in Fig. 1.
Fig. 3 is the first scheme front elevation that bulkhead is swung in damping type resistance.
Fig. 4 is the first scheme back view that bulkhead is swung in damping type resistance.
Fig. 5 is that the first scheme that bulkhead is swung in damping type resistance is cut with scissors formula spring vented cap constructional drawing altogether.
Fig. 6 is the partial enlarged view of the B in Fig. 5.
Fig. 7 is the A-A view in Fig. 5.
Fig. 8 is the partial enlarged view of the C in Fig. 7.
Fig. 9 is the alternative plan front elevation that bulkhead is swung in damping type resistance.
Figure 10 is that the alternative plan that bulkhead is swung in damping type resistance cuts with scissors formula spring vented cap constructional drawing altogether.
Figure 11 is the partial enlarged view of the D in Figure 10.
Figure 12 is the A-A view in Figure 10.
Figure 13 is the partial enlarged view of the E in Figure 12.
Figure 14 is third party's case front elevation that bulkhead is swung in damping type resistance.
Figure 15 is third party's case back view that bulkhead is swung in damping type resistance.
Figure 16 is that third party's case that bulkhead is swung in damping type resistance is cut with scissors formula spring vented cap constructional drawing altogether.
Figure 17 is the cubic case front elevation that bulkhead is swung in damping type resistance.
Figure 18 is that the cubic case that bulkhead is swung in damping type resistance is cut with scissors formula spring vented cap constructional drawing altogether.
In figure: 1, independent C type cargo hold, 2, horizontal flute profile reinforcing pad, 3, porose cross wall, 4, No. 1 springs, 5, reinforced rib, 5a, vertical reinforced rib, 5b, horizontal stiffener, 6, perforate, 7, cut with scissors altogether formula spring vented cap, 7a, link pin, 7b, No. 2 springs, 7c, bearing.
Detailed description of the invention
Referring to accompanying drawing, structure of the present utility model is described further.
Fig. 1 shows for the damping type resistance of LNG filling ship independence C type cargo hold and swings bulkhead plan.In figure, the porose cross wall 3 that bulkhead comprises a horizontal flute profile reinforcing pad 2 being connected with independent C type cargo hold 1, is connected through No. 1 spring 4 with horizontal reinforcing pad 2 is swung in the resistance of this damping type.Laterally flute profile reinforcing pad 2 is fixed along horizontal one week position of independent C type cargo hold 1, is arranged on the two ends of independent C type cargo hold 1, with the saddle of independent C type cargo hold 1 in same plane.
Fig. 2 shows the enlarged drawing of horizontal flute profile reinforcing pad 2 and porose cross wall 3 bindiny mechanisms.Porose cross wall 3 is arranged on the midway location of horizontal flute profile reinforcing pad 2, and pros and cons adopts No. 1 spring 4 to link together with horizontal flute profile reinforcing pad 2 elasticity.No. 1 spring 4 is symmetrical in porose cross wall 3 and arranges in the groove of horizontal reinforcing pad 2, to absorb elastic deformation.
Fig. 3,4 shows damping type and hinders the first scheme front elevation and the back view that swings bulkhead.No. 1 spring 4 is laterally distributing fixing for horizontal one week along independent C type cargo hold 1 on reinforcing pad 2.Porose cross wall 3 adopts the stiffened panel structure of multiple equidistant vertical reinforced rib 5a, multiple equidistant horizontal stiffener 5b and the straight plate composition of perforate, and perforate 6 is arranged on the panel centre that described reinforced rib 5 forms, and perforate 6 adopts circular hole form.Cut with scissors altogether formula spring vented cap 7 and be crisscross arranged at the pros and cons of porose cross wall 3, employing can cover the circular lid form of perforate 6.
Fig. 5,6,7,8 shows damping type resistance and swings the first scheme of bulkhead and cut with scissors altogether formula spring vented cap constructional drawing.Cut with scissors altogether formula spring vented cap 7 adopt link pin 7a and be fixed on cross wall 3 on perforate 6 tops bearing 7c form hinge through be connected, the upper cover of link pin 7a has two No. 2 spring 7b, one end of No. 2 spring 7b is embedded in the groove of bearing 7c, the other end is embedded in the groove that common hinge formula spring vented cap 7 covers on arm, to produce restoring force.
Fig. 9 shows damping type and hinders the alternative plan front elevation that swings bulkhead.Perforate 6 adopts circular hole form, cuts with scissors altogether formula spring vented cap 7 and is arranged in the perforate 6 of porose cross wall 3, and employing can be passed through the circular lid form of perforate 6.
Figure 10,11,12,13 shows damping type resistance and swings the alternative plan of bulkhead and cut with scissors altogether formula spring vented cap constructional drawing.Cutting with scissors altogether formula spring vented cap 7 adopts link pin 7a to be connected with the bearing 7c formation hinge through that is fixed on perforate 6 belows, the upper cover of link pin 7a has two No. 2 spring 7b, one end of No. 2 spring 7b is embedded in the groove in bearing 7c front, the other end is embedded in the front groove on 7 one lid arms of common hinge formula spring vented cap, so that fluid cargo produces restoring force in the time that front is flow through; One end of another No. 2 spring 7b is embedded in the groove of bearing 7c reverse side, and the other end is embedded in the negative grooves on common hinge formula spring vented cap 7 another lid arms, so that fluid cargo produces restoring force in the time that reverse side flows through.
Figure 14,15 shows damping type and hinders the third party's case front elevation and the back view that swing bulkhead.Perforate 6 adopts square hole form, cuts with scissors altogether formula spring vented cap 7 and is crisscross arranged at the pros and cons of porose cross wall 3, and employing can cover the square lid form of perforate 6.
Figure 16 shows damping type resistance and swings third party's case of bulkhead and cut with scissors altogether formula spring vented cap constructional drawing.Cut with scissors altogether the chain connection that formula spring vented cap 7 and bearing 7c form the first scheme.
Figure 17 shows damping type and hinders the cubic case front elevation that swings bulkhead.Perforate 6 adopts square hole form, cuts with scissors altogether formula spring vented cap 7 and is arranged in the perforate 6 of porose cross wall 3, and employing can be passed through the square lid form of perforate 6.
Figure 18 shows damping type resistance and swings the cubic case of bulkhead and cut with scissors altogether formula spring vented cap constructional drawing.Cut with scissors altogether the chain connection that formula spring vented cap 7 and bearing 7c form alternative plan.
Above-mentioned damping type resistance is swung bulkhead and is arranged at after independent C type cargo hold, in the time that independent C type cargo hold rocks, laterally reinforcing pad 2 and porose cross wall 3 can effectively reduce the rock amplitude of fluid cargo in independent C type cargo hold 1, can make porose cross wall 3 produce elastic damping displacement by No. 1 spring 4, the impact of rocking that cross wall 3 is subject to is cushioned, reduced to rock the impulsive force of liquid to cross wall 3.When rocking liquid and flowing through perforate 6, common hinge formula spring vented cap 7 on first and third scheme cross wall 3 fluoran stream surfaces is closed, common hinge formula spring vented cap 7 on cross wall 3 following current faces is rushed to open, the second, the common hinge formula spring vented cap 7 of cubic case is rushed to open, the restoring force of the self gravitation of the common hinge formula spring vented cap 7 being rushed to open and No. 2 spring 7b generations makes common hinge formula spring vented cap 7 produce shock damping action to rocking liquid, effectively improve the frequency of rocking of fluid cargo, reduced the impact to independent C type cargo hold.
Claims (4)
1. bulkhead is swung in the damping type resistance for LNG filling ship independence C type cargo hold, comprise independent C type cargo hold (1), it is characterized in that: described independent C type cargo hold (1) is provided with damping type resistance and swings bulkhead, damping type resistance is swung bulkhead and is comprised the horizontal flute profile reinforcing pad (2), the porose cross wall (3) being connected through No. 1 spring (4) with horizontal flute profile reinforcing pad (2) that are connected with independent C type cargo hold (1) inwall, be connected to the reinforced rib (5) on porose cross wall (3) and cut with scissors altogether formula spring vented cap (7); Described horizontal flute profile reinforcing pad (2) adopts groove type structure, fixes along horizontal one week position of independent C type cargo hold (1), is arranged on the two ends in independent C type cargo hold (1), with the saddle of independent C type cargo hold (1) in same plane; Described porose cross wall (3) is arranged on the midway location of horizontal flute profile reinforcing pad (2), and pros and cons adopts No. 1 spring (4) and horizontal flute profile reinforcing pad (2) elasticity to link together; Described No. 1 spring (4) is symmetrical in porose cross wall (3) in the groove of horizontal flute profile reinforcing pad (2), within horizontal one week, distributes fixing along independent C type cargo hold (1).
2. bulkhead is swung in the damping type resistance for LNG filling ship independence C type cargo hold according to claim 1, it is characterized in that: described porose cross wall (3) adopts the stiffened panel structure of the straight plate composition of multiple equidistant vertical reinforced ribs (5a), multiple equidistant horizontal stiffener (5b) and perforate, perforate (6) is arranged on the panel centre that described reinforced rib (5) forms, and the shape of described perforate (6) has circular port or square opening.
3. bulkhead is swung in the damping type resistance for LNG filling ship independence C type cargo hold according to claim 1, it is characterized in that: the described formula spring vented cap (7) of cutting with scissors altogether adopts link pin (7a) to be connected with bearing (7c) the formation hinge through that is fixed on the upper perforate (6) of cross wall (3) top, be crisscross arranged at the pros and cons of porose cross wall (3), form has circular lid or the square lid of perforate of covering (6); The upper cover of described link pin (7a) has two No. 2 springs (7b), and one end of described No. 2 springs (7b) is embedded in the groove of bearing (7c), and the other end is embedded in the groove on common hinge formula spring vented cap (7) lid arm.
4. bulkhead is swung in the damping type resistance for LNG filling ship independence C type cargo hold according to claim 1, it is characterized in that: the described formula spring vented cap (7) of cutting with scissors altogether adopts link pin (7a) to be connected with bearing (7c) the formation hinge through that is fixed on perforate (6) below, be arranged in the perforate (6) of porose cross wall (3), form has circular lid or the square lid of perforate of passing through (6); The upper cover of described link pin (7a) has two No. 2 springs (7b), one end of No. 2 springs (7b) to be embedded in the positive groove of bearing (7c), and the other end is embedded in the front groove on (7) lid arms of common hinge formula spring vented cap; One end of another No. 2 springs (7b) is embedded in the groove of bearing (7c) reverse side, and the other end is embedded in the negative grooves on another lid arm of common hinge formula spring vented cap (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004234.9U CN203666910U (en) | 2014-01-06 | 2014-01-06 | Damping-type oscillation-preventing hold wall used for independent C-type cargo hold of liquefied natural gas (LNG) filling ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004234.9U CN203666910U (en) | 2014-01-06 | 2014-01-06 | Damping-type oscillation-preventing hold wall used for independent C-type cargo hold of liquefied natural gas (LNG) filling ship |
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| CN203666910U true CN203666910U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420004234.9U Withdrawn - After Issue CN203666910U (en) | 2014-01-06 | 2014-01-06 | Damping-type oscillation-preventing hold wall used for independent C-type cargo hold of liquefied natural gas (LNG) filling ship |
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| CN (1) | CN203666910U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707998A (en) * | 2014-01-06 | 2014-04-09 | 大连理工大学 | Damping type oscillation prevention cabin wall for independent C-type cargo hold of LNG injection ship |
| CN110877662A (en) * | 2019-11-05 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Swing stopping method for liquid cargo tank of multifunctional LNG filling ship |
| CN112278161A (en) * | 2020-11-03 | 2021-01-29 | 江苏科技大学 | Active pitching device, pitching system and working method of LNG cargo ship |
-
2014
- 2014-01-06 CN CN201420004234.9U patent/CN203666910U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707998A (en) * | 2014-01-06 | 2014-04-09 | 大连理工大学 | Damping type oscillation prevention cabin wall for independent C-type cargo hold of LNG injection ship |
| CN103707998B (en) * | 2014-01-06 | 2016-01-13 | 大连理工大学 | Bulkhead is swung in damping type resistance for LNG filling ship independence C type cargo hold |
| CN110877662A (en) * | 2019-11-05 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Swing stopping method for liquid cargo tank of multifunctional LNG filling ship |
| CN112278161A (en) * | 2020-11-03 | 2021-01-29 | 江苏科技大学 | Active pitching device, pitching system and working method of LNG cargo ship |
| CN112278161B (en) * | 2020-11-03 | 2021-08-10 | 江苏科技大学 | Active pitching device, pitching system and working method of LNG cargo ship |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20160113 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |