CN204005210U - Variable combination type C type LNG sloshing test tank - Google Patents
Variable combination type C type LNG sloshing test tank Download PDFInfo
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- CN204005210U CN204005210U CN201420415605.2U CN201420415605U CN204005210U CN 204005210 U CN204005210 U CN 204005210U CN 201420415605 U CN201420415605 U CN 201420415605U CN 204005210 U CN204005210 U CN 204005210U
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- flow container
- combined type
- type flow
- swash bulkhead
- swash
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of variable combination type C type LNG sloshing test tank, belongs to ocean engineering LNG storage and transportation technology field.This test tank is by 6-dof motion platform, pressing plate, bearing, the semicircle collar, combined type flow container, swash bulkhead, interior snap ring, pressure transducer, control system and shooting is first-class forms.The semicircle collar is used for being connected combined type flow container and moving platform with bearing.Combined type flow container is divided into left and right two-part.Swash bulkhead and interior snap ring are placed in combined type flow container inside, and the snap ring combination of different size can reach the effect that regulates swash bulkhead position.Pressure transducer is positioned at each specified position of combined type flow container inside and swash bulkhead, and the wireless signal of transmitting is received by control system.The utility model has the advantage of: can simulate various external excitations; Wireless collection pressure data; Adopt dismountable compound mode, be convenient to install, remove, safeguard, adjust swash bulkhead position, change swash bulkhead form, improve flexibility and the testing efficiency of test.
Description
Technical field
The utility model relates to ocean engineering LNG storage and transportation technology field, specially refers to a kind of variable combination type C type LNG sloshing test tank.
Background technique
In the time that the liquid in LNG boats and ships independence C type cargo hold is not filled, when LNG boats and ships navigate by water in wave, the liquid in cabin can rock phenomenon.Strong rocking can directly cause serious average contamination accident, and for the independent C type cargo hold of longitudinally arranging, in the time that the free frequency of liquid sloshing approaches the pitch frequency of boats and ships, rocking and pitching 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 boats and ships in ocean, therefore concern and the attention of rocking safety problem and be subject to all circles of LNG boats and ships.And research rock problem up to now the most believable method be still model test.
At present, rock the testing apparatus of simulation and substantially can not disassemble, cannot change the structure in mock-up cabin, be unfavorable for carrying out the research of swash bulkhead position and form, be unfavorable for the research to liquid sloshing problem.Therefore, one be design simple and reliable for structure, swash bulkhead position, replacing swash bulkhead form are convenient to install, remove, safeguard, adjust, the high C type LNG sloshing model of test flexibility, great to research sloshing question meaning.
Summary of the invention
In order to overcome problems of the prior art, the utility model provides a kind of variable combination type C type LNG sloshing test tank, and this testing apparatus adopts dismountable mode, conveniently regulates the position of swash bulkhead and changes multi-form swash bulkhead.
The technical solution adopted in the utility model is: a kind of variable combination type C type LNG sloshing test tank, and it comprises 6-dof motion platform, control system and camera, described 6-dof motion platform is electrically connected with control system by wiring harness; It also comprises a combined type flow container, and described combined type flow container is fixed on 6-dof motion platform by two bearings, and combined type flow container adopts the Split assembled structure of left tank body and right tank body, and joint connects with the form of flange; Adopt multiple interior snap rings the first swash bulkhead and the second swash bulkhead to be fixed on to the inside of combined type flow container, the external diameter of interior snap ring, the first swash bulkhead and the second swash bulkhead matches with the internal diameter of combined type flow container, and the first swash bulkhead and the second swash bulkhead are provided with discharge orifice and discharge orifice, bottom; Combined type flow container one end end socket inner side vertically to being provided with the first pressure transducer, the other end end socket inner side vertically to being provided with the second pressure transducer, be provided with the 3rd pressure transducer in the both sides of the first swash bulkhead, all pressure transducers are launched the wireless signal being gathered by control system; The upper and lower that combined type flow container is positioned at end socket and tank body junction point has water inlet and weep hole.
Described combined type flow container is independent C type tank body, and tank body is cylindrical shape, and two ends end socket is hemisphere, is provided with the liquid level scale of instruction liquid level height on the outer wall of end socket and tank body junction point.
Described bearing is fixedly connected with and forms with base-plate with bearing gusset by bearing web by semicircle cartridge type backing plate, semicircle cartridge type backing plate is bolted with the semicircle collar matching, and uses three pressing plates to be fixedly connected with between base-plate and 6-dof motion platform.
The beneficial effects of the utility model are: this test tank is by 6-dof motion platform, pressing plate, bearing, the semicircle collar, combined type flow container, swash bulkhead, interior snap ring, pressure transducer, control system and shooting is first-class forms.The semicircle collar is used for being connected combined type flow container and moving platform with bearing.Combined type flow container divides left tank body and right tank body two-part.Swash bulkhead and interior snap ring are placed in combined type flow container inside, use the snap ring combination of different size can reach the effect that regulates swash bulkhead position.Pressure transducer is positioned at each specified position of combined type flow container inside and swash bulkhead, and wireless signal emission, is gathered by control system.The utility model has the advantage of: can simulate various external excitations; The pressure data of the each measuring point of wireless collection; Adopt dismountable compound mode, be convenient to install, remove, safeguard, adjust swash bulkhead position, change swash bulkhead form, improve flexibility and the testing efficiency of test.
Brief description of the drawings
Fig. 1 is the structural drawing of variable combination type C type LNG sloshing test tank.
Fig. 2 is the right elevation of variable combination type C type LNG sloshing test tank.
Fig. 3 is the structural drawing of combined type flow container inside.
Fig. 4 is the A-A view in Fig. 3.
Fig. 5 is the B-B view in Fig. 3.
Fig. 6 is the partial enlarged drawing of the J in Fig. 3.
Fig. 7 is the partial enlarged drawing of the K in Fig. 3.
Fig. 8 is the left view of the first swash bulkhead.
Fig. 9 is the partial enlarged drawing of the I in Fig. 1.
Figure 10 is that A in Fig. 9 is to view.
Figure 11 is the C-C view in Figure 10.
Figure 12 is the partial enlarged drawing of the L in Fig. 1.
In figure: 1, 6-dof motion platform, 2, pressing plate, 3, bearing, 3a, semicircle cartridge type backing plate, 3b, base-plate, 3c, bearing web, 3d, bearing gusset, 4, the semicircle collar, 5, combined type flow container, 5a, left tank body, 5b, right tank body, 6, the first swash bulkhead, 6a, discharge orifice, 6b, discharge orifice, bottom, 7, the second swash bulkhead, 8, interior snap ring, 9, the first pressure transducer, 9a, the second pressure transducer, 9b, the 3rd pressure transducer, 10, water inlet, 11, weep hole, 12, liquid level scale, 13, control system, 14, camera, 15, wiring harness.
Embodiment
Referring to accompanying drawing, structure of the present utility model is described further.
Fig. 1,2 shows the structural drawing of variable combination type C type LNG sloshing test tank.In figure, this device is made up of parts such as 6-dof motion platform 1, pressing plate 2, bearing 3, the semicircle collar 4, combined type flow container 5, the first swash bulkhead 6, the second swash bulkhead 7, interior snap ring 8, pressure transducer, control system 13 and cameras 14.Bearing 3 is formed from steel with the semicircle collar 4.Combined type flow container 5, the first swash bulkhead 6, the second swash bulkhead 7 and interior snap ring 8 are made up of polymethylmethacrylate, to facilitate liquid situation in astrodome.Between 6-dof motion platform 1 and bearing 3, carry out bolt by pressing plate 2 and be connected, for convenience detach.Combined type flow container 5 is fixed on the semi-cylindrical shaped backing plate 3a of bearing 3, and the semicircle collar 4 uses bolt to be connected with semi-cylindrical shaped backing plate 3a, clamps combined type flow container 5.Described combined type flow container 5 is divided into left and right two-part, and joint connects with the form of flange, to facilitate assembling formula flow container 5, changes the first swash bulkhead 6 or the second swash bulkhead 7 positions and structural type.Interior snap ring 8, the first swash bulkhead 6 and the second swash bulkhead 7 are placed in combined type flow container 5 inside.9 and 3 pressure transducer 9a of 7 pressure transducers cross combined type flow container 5, and probe gos deep into combined type flow container 5 inwalls.3 pressure transducer 9b are arranged in the first swash bulkhead 6 both sides, for detection of the surge pressure at key point place.The upper and lower of combined type flow container 5 has water inlet 10 and weep hole 11 near end socket place, for water filling and draining.
Fig. 3,4,5,6,7 shows combined type flow container 5 internal placement.The internal diameter of combined type flow container 5 tank body part is larger than the internal diameter of end socket and tank body intersection, like this, in the time that snap ring in cylindrical shape 8 packs in combined type flow container 5, can limit the lengthwise position (Fig. 7) of snap ring.The length of interior snap ring 8 is made according to actual needs, combines and controls the position of the first swash bulkhead 6 and the second swash bulkhead 7, thereby play the effect (Fig. 6) that regulates swash bulkhead position with different interior snap ring 8.When combination, interior snap ring 8 and the first swash bulkhead 6 and the second swash bulkhead 7 are packed in combined type flow container 5 successively.While disassembling, interior snap ring 8, the first swash bulkhead 6 and the second swash bulkhead 7 are taken out successively.The external diameter of interior snap ring 8 matches with the internal diameter of combined type flow container 5 tank bodies, and can just in time pack in combined type flow container 5, interior snap ring 8 thickness are just filled up the difference of combined type flow container 5 tank bodies and two ends end socket part tank wall thickness, makes the inner surface of tank concordant (Fig. 6).
Fig. 8 shows the first swash bulkhead 6 left views.The first swash bulkhead 6 has discharge orifice 6a and discharge orifice, bottom 6b, because the detachable form of changing the first swash bulkhead 6, the first swash bulkheads 6 of this device can constantly change.But the external diameter of the first swash bulkhead 6 matches with combined type flow container 5 tank body internal diameters all the time, can just pack combined type flow container 5 inside into.The second swash bulkhead 7 is similar to the first swash bulkhead 6, but does not arrange pressure transducer 9.
Fig. 9,10,11 shows bearing 3 and 6-dof motion platform 1 connection diagram.Between base-plate 3b and 6-dof motion platform 1, use 3 pressing plates 2 to be connected, wherein two pressing plate 2 conllinear are arranged, and another pressing plate 2 and their vertical arrangements, to limit the motion of bearing 3 with respect to 6-dof motion platform 1 six-freedom degree.Bearing 3 is made up of semicircle cartridge type backing plate 3a, base-plate 3b, bearing web 3c and bearing gusset 3d.The internal diameter of semicircle cartridge type backing plate 3a matches with the external diameter of combined type flow container 5, makes combined type flow container 5 energy fixed thereon.
Figure 12 shows the liquid level scale 12 that is provided with instruction liquid level height on the outer wall of end socket and tank body junction point.
Claims (3)
1. a variable combination type C type LNG sloshing test tank, it comprises 6-dof motion platform (1), control system (13) and camera (14), and described 6-dof motion platform (1) is electrically connected with control system (13) by wiring harness (15); It is characterized in that, it also comprises a combined type flow container (5), described combined type flow container (5) is fixed on 6-dof motion platform (1) by two bearings (3), combined type flow container (5) adopts the Split assembled structure of left tank body (5a) and right tank body (5b), and joint connects with the form of flange; Adopt multiple interior snap rings (8) the first swash bulkhead (6) and the second swash bulkhead (7) to be fixed on to the inside of combined type flow container (5), the external diameter of interior snap ring (8), the first swash bulkhead (6) and the second swash bulkhead (7) matches with the internal diameter of combined type flow container (5), and the first swash bulkhead (6) and the second swash bulkhead (7) are provided with discharge orifice (6a) and discharge orifice, bottom (6b); Combined type flow container (5) one end end socket inner side vertically to being provided with the first pressure transducer (9), the other end end socket inner side vertically to being provided with the second pressure transducer (9a), be provided with the 3rd pressure transducer (9b) in the both sides of the first swash bulkhead (6), the wireless signal that all pressure transducer transmittings are gathered by control system (13); The upper and lower that combined type flow container (5) is positioned at end socket and tank body junction point has water inlet (10) and weep hole (11).
2. variable combination type C type LNG sloshing test tank according to claim 1, it is characterized in that, described combined type flow container (5) is independent C type tank body, tank body is cylindrical shape, two ends end socket is hemisphere, is provided with the liquid level scale (12) of instruction liquid level height on the outer wall of end socket and tank body junction point.
3. variable combination type C type LNG sloshing test tank according to claim 1, it is characterized in that, described bearing (3) is fixedly connected with formation with bearing gusset (3d) with base-plate (3b) by bearing web (3c) by semicircle cartridge type backing plate (3a), semicircle cartridge type backing plate (3a) is bolted with the semicircle collar (4) matching, and between base-plate (3b) and 6-dof motion platform (1), uses three pressing plates (2) to be fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415605.2U CN204005210U (en) | 2014-07-28 | 2014-07-28 | Variable combination type C type LNG sloshing test tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415605.2U CN204005210U (en) | 2014-07-28 | 2014-07-28 | Variable combination type C type LNG sloshing test tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204005210U true CN204005210U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415605.2U Withdrawn - After Issue CN204005210U (en) | 2014-07-28 | 2014-07-28 | Variable combination type C type LNG sloshing test tank |
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| Country | Link |
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| CN (1) | CN204005210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111158A (en) * | 2014-07-28 | 2014-10-22 | 大连理工大学 | Variable combined type C-shaped liquefied natural gas (LNG) liquid tank oscillation model test device and method |
| CN112212205A (en) * | 2020-10-19 | 2021-01-12 | 华东理工大学 | Anti-fatigue high-pressure hydrogen storage container for hydrogenation station |
-
2014
- 2014-07-28 CN CN201420415605.2U patent/CN204005210U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111158A (en) * | 2014-07-28 | 2014-10-22 | 大连理工大学 | Variable combined type C-shaped liquefied natural gas (LNG) liquid tank oscillation model test device and method |
| CN112212205A (en) * | 2020-10-19 | 2021-01-12 | 华东理工大学 | Anti-fatigue high-pressure hydrogen storage container for hydrogenation station |
| CN112212205B (en) * | 2020-10-19 | 2022-03-11 | 华东理工大学 | Anti-fatigue high-pressure hydrogen storage container for hydrogenation station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160713 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |