CN103707998A - Damping type oscillation prevention cabin wall for independent C-type cargo hold of LNG injection ship - Google Patents
Damping type oscillation prevention cabin wall for independent C-type cargo hold of LNG injection ship Download PDFInfo
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- CN103707998A CN103707998A CN201410003470.3A CN201410003470A CN103707998A CN 103707998 A CN103707998 A CN 103707998A CN 201410003470 A CN201410003470 A CN 201410003470A CN 103707998 A CN103707998 A CN 103707998A
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Abstract
The invention discloses a damping type oscillation prevention cabin wall for an independent C-type cargo hold of an LNG injection ship and belongs to the technical field of liquid cargo oscillation resistance of the independent C-type cargo hold of the LNG injection ship. The oscillation prevention cabin wall has the function that oscillation of liquid cargos in the independent C-type cargo hold can be reduced and is composed of transverse groove-shaped reinforcing rings connected with the independent C-type cargo hold, transverse hole separating boards connected with the transverse groove-shaped reinforcing rings through springs, reinforcing ribs connected to the hole separating boards and common-hinged type spring hole drilling covers connected to the hole separating boards. Each end of the independent C-type cargo hold is provided with one damping type oscillation prevention cabin wall. The damping type oscillation prevention cabin wall has the advantages of being simple in structure, capable of conducting elastic damping type limiting, good in manufacturability, convenient to install, low in manufacturing cost, capable of effectively restraining oscillation of the liquid cargoes and suitable for the independent C-type cargo hold of the LNG injection ship for oscillation reduction and a liquefied gas storage tank for oscillation reduction.
Description
Technical field
The present invention relates to a kind of damping type resistance for LNG filling ship independence C type cargo hold and swing 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
When 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, when 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.Due to the motion of the LNG filling ship in ocean, inevitably there is the above-mentioned phenomenon of rocking, therefore LNG filling ship rocks concern and the attention that safety problem is subject to all circles, in design, independent C type cargo hold should be designed to have sufficient intensity and rock load with tolerance.At present, fixedly 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 invention provides a kind of damping type resistance for LNG filling ship independence C type cargo hold and 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 used in the present invention 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 bulkhead and comprised the horizontal flute profile reinforcing pad that is connected with independent C type cargo hold inwall, the porose cross wall being 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, along horizontal one week position of independent C type cargo hold, fixes, and 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, along independent C type cargo hold, within horizontal one week, distributes fixing.
The stiffened panel structure that described porose cross wall adopts the straight plate of a plurality of equidistant vertical reinforced ribs, a plurality of equidistant horizontal stiffener and perforate to form, 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 invention has the beneficial effects as follows: 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.
Accompanying drawing explanation
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.
The specific embodiment
Referring to accompanying drawing, structure of the present invention 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 resistance of this damping type is swung bulkhead and is comprised a horizontal flute profile reinforcing pad 2 being connected with independent C type cargo hold 1, the porose cross wall 3 being connected through No. 1 spring 4 with horizontal reinforcing pad 2.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 the first scheme front elevation and back view that bulkhead is swung in damping type resistance.No. 1 spring 4 is laterally distributing fixing for horizontal one week along independent C type cargo hold 1 on reinforcing pad 2.The stiffened panel structure that porose cross wall 3 adopts a plurality of equidistant vertical reinforced rib 5a, a plurality of equidistant horizontal stiffener 5b and the straight plate of perforate to form, 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.On cutting with scissors altogether formula spring vented cap 7 employing link pin 7a and being fixed on cross wall 3, the bearing 7c formation hinge through of perforate 6 tops is 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 on common hinge formula spring vented cap 7 lid arms, to produce restoring force.
Fig. 9 shows the alternative plan front elevation that bulkhead is swung in damping type resistance.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 when 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 when reverse side flows through.
Figure 14,15 shows third party's case front elevation and the back view that bulkhead is swung in damping type resistance.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 the cubic case front elevation that bulkhead is swung in damping type resistance.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, when 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, by No. 1 spring 4, can make porose cross wall 3 produce elastic damping displacement, 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 7 pairs of common hinge formula spring vented cap rock liquid and has produced shock damping action, 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, along horizontal one week position of independent C type cargo hold (1), fixes, and 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), along independent C type cargo hold (1), within horizontal one week, distributes fixing.
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: the stiffened panel structure that described porose cross wall (3) adopts the straight plate of a plurality of equidistant vertical reinforced ribs (5a), a plurality of equidistant horizontal stiffener (5b) and perforate to form, 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).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410003470.3A CN103707998B (en) | 2014-01-06 | 2014-01-06 | Bulkhead is swung in damping type resistance for LNG filling ship independence C type cargo hold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410003470.3A CN103707998B (en) | 2014-01-06 | 2014-01-06 | Bulkhead is swung in damping type resistance for LNG filling ship independence C type cargo hold |
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| CN103707998A true CN103707998A (en) | 2014-04-09 |
| CN103707998B CN103707998B (en) | 2016-01-13 |
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Cited By (7)
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| CN104406767A (en) * | 2014-11-23 | 2015-03-11 | 大连理工大学 | Variable structure type C type LNG (liquefied natural gas) liquid tank oscillation test system |
| CN104908891A (en) * | 2015-06-17 | 2015-09-16 | 大连理工大学 | Swinging inhibition device of C-shaped LNG liquid tank |
| CN110182298A (en) * | 2014-10-28 | 2019-08-30 | 瑞士单浮筒系泊公司 | The shell of shell as the storage of floating hydrocarbon and/or processing equipment |
| CN111114836A (en) * | 2019-12-31 | 2020-05-08 | 上海空间推进研究所 | Large-size high-fundamental-frequency light surface tension storage tank |
| CN112963726A (en) * | 2021-04-22 | 2021-06-15 | 大连理工大学 | Large LNG storage tank provided with vertical-circumferential partition plates |
| CN112963727A (en) * | 2021-04-22 | 2021-06-15 | 大连理工大学 | Lay large-scale LNG storage tank of baffle and reinforcing bar net |
| CN113823424A (en) * | 2021-08-29 | 2021-12-21 | 哈尔滨工程大学 | Device for inhibiting water jump or sloshing phenomenon in built-in voltage stabilizer |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110182298A (en) * | 2014-10-28 | 2019-08-30 | 瑞士单浮筒系泊公司 | The shell of shell as the storage of floating hydrocarbon and/or processing equipment |
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| CN104908891A (en) * | 2015-06-17 | 2015-09-16 | 大连理工大学 | Swinging inhibition device of C-shaped LNG liquid tank |
| CN111114836A (en) * | 2019-12-31 | 2020-05-08 | 上海空间推进研究所 | Large-size high-fundamental-frequency light surface tension storage tank |
| CN112963726A (en) * | 2021-04-22 | 2021-06-15 | 大连理工大学 | Large LNG storage tank provided with vertical-circumferential partition plates |
| CN112963727A (en) * | 2021-04-22 | 2021-06-15 | 大连理工大学 | Lay large-scale LNG storage tank of baffle and reinforcing bar net |
| CN113823424A (en) * | 2021-08-29 | 2021-12-21 | 哈尔滨工程大学 | Device for inhibiting water jump or sloshing phenomenon in built-in voltage stabilizer |
| CN113823424B (en) * | 2021-08-29 | 2023-12-19 | 哈尔滨工程大学 | Device for inhibiting water leap or sloshing phenomenon in built-in voltage stabilizer |
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