CN208535572U - Big volume vehicle gas cylinder neck tube support construction - Google Patents
Big volume vehicle gas cylinder neck tube support construction Download PDFInfo
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- CN208535572U CN208535572U CN201821022628.1U CN201821022628U CN208535572U CN 208535572 U CN208535572 U CN 208535572U CN 201821022628 U CN201821022628 U CN 201821022628U CN 208535572 U CN208535572 U CN 208535572U
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- neck tube
- annular
- gas cylinder
- welding
- support construction
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Abstract
The utility model discloses a kind of big volume vehicle gas cylinder neck tube support constructions, including the first neck tube, the second neck tube, fixed ring and manifold headers；The outer end of first neck tube is fixedly linked with the outlet of liner front head；The manifold headers are fixedly linked with the outlet of shell front head, and the outer end of second neck tube is fixedly linked with manifold headers；The fixed ring is provided with first annular and the second annular table, and second annular table is protruded outward for relative to first annular in welding；Described first annular, the thickness of the second annular table and internal diameter are identical as the first neck tube, the second neck tube respectively, and the inner end with the inner end of the first neck tube, the second neck tube is connected by welding respectively；The described first annular identical circumferential weld of gap width between formation width and the first neck tube, the second neck tube between the second annular table.The neck tube support construction improves weld strength and welding efficiency by the welding structure of improvement neck tube fixed ring.
Description
Technical field
The utility model relates to a kind of gas cylinder neck tube support constructions, particularly relate to a kind of big volume vehicle gas cylinder neck tube support
Structure.
Background technique
Automobile-used LNG fuel tank is a kind of automobile gas cylinder of high vacuum ultralow temperature multi-lay winding insulation, be φ 500mm,
On the basis of φ 550mm, φ 600mm diameter vehicle gas cylinder, the diameter of development is φ 800mm, φ 850mm equal-specification can
The big volume welded insulated gas cylinder of repeated charging, medium for storing LNG, nominal volume 1000L, operating pressure are
1.59MPa。
Similar big volume vehicle gas cylinder is generally by liner, shell, collet (space between two layers of container) and valve
Pipe-line system composition.Wherein, liner is supported and fixed on shell by rear and front end, and outer wall is tied with multilayer insulant；Folder
Set is pumped into high vacuum, and is equipped with vacuum and maintains system；Inner channel system, external valve system centralized arrangement are equipped in liner
It is convenient for unified operation in the front end of gas cylinder.
Open at one end is provided with neck tube support construction between the liner and shell of gas cylinder, liner is supported in gas cylinder
In shell.Existing neck tube support construction passes through the two rootstock pipes preceding envelope with liner and shell respectively using being fixedly connected with mode
Head is connected and fixed, and considers that support strength, two rootstock pipes are protruded into liner and connected by fixed ring simultaneously to reduce heat transfer
It is whole, neck tube length is lengthened, heat transfer is reduced.
As shown in Figure 1, existing neck tube support construction, the inner end of the first neck tube 2, the inner end of the second neck tube 3 and fixation
The welding of ring 1 forms entirety, and weld seam pattern is fillet weld；The outer end of second neck tube 3 and the welding of manifold headers 4 form whole.Due to solid
It is thicker (12mm) to determine ring 1, welding space is smaller, can only use manual welding in welding.Simultaneously because the first neck tube (thickness
4.5mm), the second neck tube (thickness 4mm) and fixed ring thickness difference are larger, are difficult to ensure weld seam complete penetraction and fusion in welding in welding.
Big volume LNG vehicle gas cylinder weight about 950kg when filling liquid, is self-possessed larger, what is be subject in use rushes
It is also larger to hit load, the discovery when carrying out finite element analysis, neck tube and fixed ring welding position belong to displacement maximum point, work as appearance
When weld seam is lack of penetration, the failure of product support construction easily occurs.
Therefore, it is necessary to improve the neck tube support construction of big volume vehicle gas cylinder, to change welding line structure and the weldering of original structure
Method is connect, weld strength and weldquality stability are improved, so that it is guaranteed that the reliability of product.
Summary of the invention
The purpose of this utility model is to provide a kind of big volume vehicles that can be improved neck tube weld strength and weldquality
With gas cylinder neck tube support construction.
To achieve the above object, big volume vehicle gas cylinder neck tube support construction designed by the utility model is arranged at this
Between the liner front head and shell front head of gas cylinder, it includes fixed ring, the first neck tube, the second neck tube and manifold headers；It is described
Outer end (close to one end of cylinder outlet) and the outlet of liner front head of first neck tube are fixedly linked；Before the manifold headers and shell
End socket outlet is fixedly linked, and the outer end of second neck tube is fixedly linked with manifold headers；The fixed ring is provided with first annular
Platform and the second annular table, second annular table protrude outward one section relative to first annular in order to weld；Described first
The identical circumferential weld of gap width between formation width and the first neck tube, the second neck tube between annular table and the second annular table；It is described
First annular thickness, internal diameter are identical as the first neck tube, and with the inner end of the first neck tube (protruding into one end in gas cylinder)
It is connected by welding；Thickness, the internal diameter of second annular table are identical as the second neck tube, and logical with the inner end of the second neck tube
It crosses and is weldingly connected.
Preferably, it is additionally provided at the gap on the inside of the outer end of first neck tube between the second neck tube for guaranteeing the
The locating plate of concentricity between one neck tube and the second neck tube, and the card for stationary positioned piece.The locating plate is preferably adopted
Use glass-reinforced plastic material.
Preferably, annular groove is provided on the inside of the manifold headers, the outer end of second neck tube is weldingly fixed on ring
In connected in star.
Preferably, the welding form between first neck tube and first annular, the second neck tube and the second annular table is equal
It is equal wall thickness to welding, avoids the occurrence of the case where thickness wall pieces are welded.
Preferably, second annular table is not less than the first neck tube thickness relative to first annular length outstanding.
Preferably, first neck tube and first annular welding groove angle, the second neck tube and the second annular table
Welding groove angle is respectively 70 °~80 °, to ensure weld seam complete penetraction and fusion in welding, meets the intensity requirement used.First neck tube with
More excellent first annular welding groove angle is 80 °, and the welding groove angle of the second neck tube and the second annular table is more excellent to be
70°。
Compared with prior art, the utility model has the beneficial effects that: the neck tube support construction, solid by improving neck tube
The welding structure and welding manner for determining ring, not only increase the intensity of weld seam, ensure that the stability and product of welding quality
Reliability, and this structure also guarantees have enough welding spaces that original manual welding is changed to automatic butt weldering, improves solid
Determine the welding efficiency of ring and neck tube, effectively solve the problems, such as human weld's low efficiency, in addition, also having compact-sized, performance can
It leans on, be set with convenient feature.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing vehicle gas cylinder neck tube support construction.
Fig. 2 is the structural schematic diagram of big volume vehicle gas cylinder neck tube support construction designed by the utility model.
Fig. 3 is the structural schematic diagram of fixed ring in Fig. 2.
Fig. 4 is the structural schematic diagram of manifold headers in Fig. 2.
Fig. 5,6 be respectively in Fig. 2 I at, the enlarged diagram at II.
Fig. 7 is that gas cylinder neck tube support construction is installed on the schematic diagram on gas cylinder in Fig. 2.
Wherein: fixed ring 1, first annular the 1.1, second annular table 1.2, circumferential weld 1.3, the first neck tube 2, the second neck tube 3,
Manifold headers 4, annular groove 4.1, liner front head 5, shell front head 6, locating plate 7, card 8
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
It is as shown in Figure 1 big volume vehicle gas cylinder neck tube support construction in the prior art, structure is in background technique
Part is explained in detail, and is repeated no more in this.
As shown in Fig. 2~7, big volume vehicle gas cylinder neck tube support construction designed by the utility model is arranged in the gas
Between the liner front head 5 and shell front head 6 of bottle, it includes fixed ring 1, the first neck tube 2, the second neck tube 3 and manifold headers 4.
Wherein:
The outer end of first neck tube 2 is welded and fixed with the outlet of liner front head 5 to be connected, and manifold headers 4 and shell front head 6 export
It is welded and fixed connected, the outer end of the second neck tube 3 is welded and fixed with manifold headers 4 to be connected.
Fixed ring 1 is provided with first annular 1.1 and the second annular table 1.2, and the second annular table 1.2 is relative to first annular
The protruding length for being equivalent to 1.5 times of 2 thickness of the first neck tube of platform 1.1 is in order to welding.First annular 1.1 and the second annular
The identical circumferential weld 1.3 of gap width between formation width and the first neck tube 2, the second neck tube 3 between platform 1.2.First neck tube 2 and
Welding form between one annular table 1.1, the second neck tube 3 and the second annular table 1.2 wall thickness such as is to welding.
First annular 1.1 thickness, internal diameter are identical as the first neck tube 2, and pass through weldering with the inner end of the first neck tube 2
It connects connected.Thickness, the internal diameter of second annular table 1.2 are identical as the second neck tube 3, and pass through weldering with the inner end of the second neck tube 3
It connects connected.
Be additionally provided at gap on the inside of the outer end of first neck tube 2 between the second neck tube 3 for guarantee the first neck tube 2 and
The locating plate 7 of concentricity between second neck tube 3, and the card 8 for stationary positioned piece 7.Locating plate 7 uses glass steel
Material, one end rounding arc is to be set with.
Round steel of the manifold headers 4 using 100mm diameter, inside open loop connected in star 4.1.The internal diameter of annular groove 4.1 is
63.5mm, outer diameter 72.5mm, depth 6mm.The outer end of second neck tube 3 is weldingly fixed on annular groove 4.1 using plug-in type
It is interior.
The support construction by processed in fixed ring 1 two respectively with the first neck tube 2,3 uniform thickness of the second neck tube
One annular table 1.1, the second annular table 1.2, then butt welding is carried out with neck tube, avoid the occurrence of the case where thickness wall pieces are welded.This knot
Structure also guarantees have enough welding spaces that original manual welding is changed to automatic welding, while carrying out to the bevel angle of butt weld
Test, it is ensured that weld seam complete penetraction and fusion in welding.Final first neck tube 2 is 80 ° with 1 welding groove angle of fixed ring, the second neck tube 3 and fixed ring
1 welding groove angle is 70 °, is carrying out ray detection and exemplar dissection to tests exemplar, is confirming weld seam complete penetraction and fusion in welding, satisfaction is wanted
It asks.
The support construction in the big volume LNG vehicle gas cylinder application of φ 850mm diameter series, not only can solve difficult point position
Weldquality problem, ensure that the intensity requirement of product, and effectively raise the productivity of product, reduce production cost.
The vibration test of 5g acceleration is passed through using the 1000L gas cylinder of the design structure, using effect is good, and support strength is full
Foot requires.
Claims (8)
1. the liner front head (5) and shell front head of the gas cylinder is arranged in a kind of big volume vehicle gas cylinder neck tube support construction
(6) between, it is characterised in that:
It includes fixed ring (1), the first neck tube (2), the second neck tube (3) and manifold headers (4)；
The outer end of first neck tube (2) and the outlet of liner front head (5) are fixedly linked；Before the manifold headers (4) and shell
The outlet of end socket (6) is fixedly linked, and outer end and the manifold headers (4) of second neck tube (3) are fixedly linked；
The fixed ring (1) is provided with first annular (1.1) and the second annular table (1.2), the second annular table (1.2) phase
One section is protruded outward for first annular (1.1) in order to weld；First annular (1.1) and the second annular table
(1.2) the identical circumferential weld of gap width (1.3) between formation width and the first neck tube (2), the second neck tube (3) between；
Thickness, the internal diameter of first annular (1.1) are identical as the first neck tube (2), and the inner end with the first neck tube (2)
It is connected by welding；Thickness, the internal diameter of second annular table (1.2) are identical as the second neck tube (3), and with the second neck tube
(3) inner end is connected by welding.
2. big volume vehicle gas cylinder neck tube support construction according to claim 1, it is characterised in that: first neck tube
(2) it is additionally provided at the gap on the inside of outer end between the second neck tube (3) for guaranteeing the first neck tube (2) and the second neck tube
(3) locating plate (7) of concentricity between, and it is used for the card (8) of stationary positioned piece (7).
3. big volume vehicle gas cylinder neck tube support construction according to claim 2, it is characterised in that: the locating plate (7)
Using glass-reinforced plastic material.
4. big volume vehicle gas cylinder neck tube support construction according to claim 1, it is characterised in that: the manifold headers (4)
Inside be provided with annular groove (4.1), the outer end of second neck tube (3) is weldingly fixed in annular groove (4.1).
5. big volume vehicle gas cylinder neck tube support construction according to claim 1, it is characterised in that: first neck tube
(2) welding form between first annular (1.1), the second neck tube (3) and the second annular table (1.2) is equal wall thickness butt welding
It connects.
6. big volume vehicle gas cylinder neck tube support construction according to claim 1, it is characterised in that: second annular table
(1.2) it is not less than the first neck tube (2) thickness relative to first annular (1.1) length outstanding.
7. big volume vehicle gas cylinder neck tube support construction described according to claim 1~any one of 6, it is characterised in that: institute
State the weldering of the first neck tube (2) with first annular (1.1) welding groove angle, the second neck tube (3) and the second annular table (1.2)
Connecing bevel angle is respectively 70 °~80 °.
8. big volume vehicle gas cylinder neck tube support construction according to claim 7, it is characterised in that: first neck tube
It (2) is 80 ° with first annular (1.1) welding groove angle, the welding slope of the second neck tube (3) and the second annular table (1.2)
Bicker degree is 70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022628.1U CN208535572U (en) | 2018-06-29 | 2018-06-29 | Big volume vehicle gas cylinder neck tube support construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022628.1U CN208535572U (en) | 2018-06-29 | 2018-06-29 | Big volume vehicle gas cylinder neck tube support construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535572U true CN208535572U (en) | 2019-02-22 |
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ID=65379808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821022628.1U Active CN208535572U (en) | 2018-06-29 | 2018-06-29 | Big volume vehicle gas cylinder neck tube support construction |
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| CN (1) | CN208535572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931495A (en) * | 2019-04-09 | 2019-06-25 | 张家港富瑞氢能装备有限公司 | Automobile-used liquid hydrogen storage insulated gas cylinder |
-
2018
- 2018-06-29 CN CN201821022628.1U patent/CN208535572U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931495A (en) * | 2019-04-09 | 2019-06-25 | 张家港富瑞氢能装备有限公司 | Automobile-used liquid hydrogen storage insulated gas cylinder |
| CN109931495B (en) * | 2019-04-09 | 2023-08-18 | 江苏国富氢能技术装备股份有限公司 | Liquid hydrogen storage heat insulation gas cylinder for vehicle |
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