CN106626537B - A kind of double-deck dislocation sealing welded tube - Google Patents
A kind of double-deck dislocation sealing welded tube Download PDFInfo
- Publication number
- CN106626537B CN106626537B CN201710098761.9A CN201710098761A CN106626537B CN 106626537 B CN106626537 B CN 106626537B CN 201710098761 A CN201710098761 A CN 201710098761A CN 106626537 B CN106626537 B CN 106626537B
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- China
- Prior art keywords
- impact resistance
- metal layer
- resistance metal
- salient point
- double
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 45
- 239000002184 metal Substances 0.000 claims abstract description 45
- 238000007373 indentation Methods 0.000 claims abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- SVHJABVTEOZECO-UHFFFAOYSA-N n-phenyl-n'-(2-propan-2-ylphenyl)methanediimine Chemical class CC(C)C1=CC=CC=C1N=C=NC1=CC=CC=C1 SVHJABVTEOZECO-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S5/00—Other constructional members not restricted to an application fully provided for in a single class
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention provides a kind of double-deck dislocation sealing welded tube, including tube body, the tube body is hollow structure, the outer surface of the tube body is equipped with the first impact resistance metal layer, the first impact resistance metal layer coats the tube body, the first impact resistance metal layer has strip notch along the top and bottom in the tube length direction, the indentation, there is equipped with stretchable layer, the stretchable layer is connect with the first impact resistance metal layer, the outer surface of the tube body is equipped with the second impact resistance metal layer along the top and bottom in tube length direction, the second impact resistance metal layer has extension end and retraction end, the outer surface of the second impact resistance metal layer is bonded with the stretchable layer.The double-deck dislocation sealing welded tube of the present invention has and assembles convenient, and structure is simple, reliable performance, advantage low in cost, meets the needs of production.
Description
Technical field
The invention belongs to welded tube technical fields, and in particular to a kind of double-deck dislocation sealing welded tube.
Background technique
In China, tube-welding largely still needs operator to operate, the quality of the technical level of operator, directly
Connect the quality for affecting welded tube.In general, the welded tube problem that can see of naked eyes is present in its surface, such as: superelevation, it is ultralow,
Ultra-wide, width is inconsistent, surface undercut, surface pores, surface crack, surface pores, Surface inclusion, surface crack, spill-over, contracting
The problems such as hole, some also outer problem exist inside, can not only know out, such as with naked eyes: crack in inside, slag inclusion, gas
Hole etc..The production of these problems, most of skilled workers think: operation technique, technical capability, welded tube, the welding rod itself of technical staff
Quality etc. be the main reason for causing the above problem.Therefore, people are in order to solve these problems, general by improving welded tube
Or the constituent of welding rod, the technical ability for the personnel that develop skill solve, and never consider the shape of welded tube structure, tube-welding position
Shape.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of double-deck dislocation sealing welded tubes, drawbacks described above are overcome, by right
The improvement of welded tube structure, to solve to tend to have crack, stomata, the problem of slag inclusion etc..
In order to solve the above technical problems, the present invention provides a kind of double-deck dislocation sealing welded tube, the tube body is hollow structure,
The outer surface of the tube body is equipped with the first impact resistance metal layer, and the first impact resistance metal layer coats the tube body, and described the
One impact resistance metal layer has strip notch along the top and bottom in the tube length direction, and the indentation, there is equipped with flexible
Layer, the stretchable layer connect with the first impact resistance metal layer, the upper end of the outer surface of the tube body along tube length direction
It is equipped with the second impact resistance metal layer with lower end, the second impact resistance metal layer has extension end and is retracted end, and described second
The outer surface of impact resistance metal layer is bonded with the stretchable layer.
As a kind of a kind of preferred embodiment of the double-deck dislocation sealing welded tube of the present invention, the width of the stretchable layer is less than
The width of the second impact resistance metal layer, the height of the stretchable layer are less than the height of the second impact resistance metal layer.
As a kind of a kind of preferred embodiment of the double-deck dislocation sealing welded tube of the present invention, the extension elongation of the extension end
Equal to the retraction length at the retraction end.
As a kind of a kind of preferred embodiment of the double-deck dislocation sealing welded tube of the present invention, the extension elongation of the extension end
For 3-5mm.
As a kind of a kind of preferred embodiment of the double-deck dislocation sealing welded tube of the present invention, the stretchable layer its with it is described
The junction of first impact resistance metal layer is equipped with multiple first salient points, and the first impact resistance metal layer is in itself and the stretchable layer
Junction be equipped with multiple second salient points, first salient point and the second salient point are arranged circumferentially along tube length direction, described
First salient point and second salient point are spaced apart from each other setting, constitute a cyclic structure.
As a kind of a kind of preferred embodiment of the double-deck dislocation sealing welded tube of the present invention, first salient point and described the
Gap is equipped between two salient points, the width in the gap is 0.02mm-0.05mm.
As a kind of a kind of preferred embodiment of the double-deck dislocation sealing welded tube of the present invention, the stretchable layer be aluminium oxide and
Silicon.
As a kind of a kind of preferred embodiment of the double-deck dislocation sealing welded tube of the present invention, the upper surface of the extension end is set
There is jagged third salient point, the height of the third salient point is 0.03-0.05mm, and the diameter of the third salient point is 0.01-
0.03mm, the upper surface at the retraction end are equipped with jagged 4th salient point, and the height of the 4th salient point is 0.03-
0.05mm, the diameter of the 4th salient point are 0.01-0.03mm.
Compared with prior art, a kind of double-deck dislocation sealing welded tube proposed by the present invention, passes through in two root bead pipe junctions
The extension end of one welded tube and the retraction end of another welded tube cooperate, and can promote tightness, split when the later period being avoided to weld
Seam, and the setting of stretchable layer avoid because temperature change brought by expansion or contraction when crack and stomata, Ci Zhongshuan
Fault position, which seals welded tube and has, assembles convenient, and structure is simple, reliable performance, advantage low in cost, meets the needs of production.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.Wherein,
Fig. 1 is a kind of side structure schematic view of double-deck dislocation sealing welded tube of the invention,
Fig. 2 is a kind of diagrammatic cross-section of the front view structure of double-deck dislocation sealing welded tube of the invention.
Wherein: 1 being stretchable layer, 2 be the second impact resistance metal layer, 3 be the first impact resistance metal layer, 4 be tube body, 5 be
Hollow structure, 6 are retraction end.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, With reference to embodiment
The present invention is described in further detail.
Firstly, " one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the invention
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
The same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiments.
Secondly, the present invention is described in detail using structural schematic diagram etc., when describing the embodiments of the present invention, for convenient for saying
It is bright, indicate that the schematic diagram of the double-deck dislocation sealing welded tube structure can disobey general proportion and make partial enlargement, and the schematic diagram is only
It is example, the scope of protection of the invention should not be limited herein.In addition, should include length, width and depth in actual fabrication
Three-dimensional space.
Embodiment one
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of side structure schematic view of double-deck dislocation sealing welded tube of the invention, Fig. 2
For a kind of diagrammatic cross-section of the front view structure of double-deck dislocation sealing welded tube of the invention.As illustrated in fig. 1 and 2, the double-deck dislocation is close
The tube body 4 of soldering and sealing pipe is hollow structure 5, and the outer surface of tube body 4 is equipped with the first impact resistance metal layer 3, the first impact resistance metal layer 3
The tube body 4 is coated, the first impact resistance metal layer 3 has strip notch along the top and bottom of 4 length direction of tube body,
Indentation, there is equipped with stretchable layer 1, and stretchable layer 1 is connect with the first impact resistance metal layer, and the outer surface of tube body 4 is along 4 length direction of tube body
Top and bottom be equipped with the second impact resistance metal layer 2, the second impact resistance metal layer 2 has extension end (not shown) and is retracted
End 6, the outer surface of the second impact resistance metal layer 2 is bonded with stretchable layer 1.There are liquid, gas etc. when flowing in welded tube, in order to avoid
Crack comes across on mutually same angle straight line, so width of the width of stretchable layer 1 less than the second impact resistance metal layer 2, stretches
Height of the height of layer 1 less than the second impact resistance metal layer 2.
In order to preferably be coupled between two welded tubes, bonding area and difficulty are reduced, the extension elongation of extension end is equal to contracting
The retraction length of inlet side 6.The extension elongation of extension end and the retraction length for being retracted end are related with the pipe diameter of welded tube, it
Between ratio be 1:20 ~ 30, it is 3-5mm that the extension elongation of extension end and retraction end 6, which are retracted length,.Stretchable layer 1 is at it
Be equipped with multiple first salient points (not shown) with the junction of the first impact resistance metal layer 3, the first impact resistance metal layer 3 its with stretch
The junction of contracting layer 1 is equipped with multiple second salient points (not shown), and the first salient point and the second salient point are circumferential along 4 length direction of tube body
Setting, the first salient point and the second salient point are spaced apart from each other setting, constitute a cyclic structure.The setting of first salient point and the second salient point can
Be similar to reinforcing rib to increase by one, not only have the function of reinforcing rib, and also increase the first impact resistance metal layer 3 with
Connection adhesiveness between stretchable layer 1.
When welded tube is higher than in 20 or the environment lower than 0 degree Celsius for temperature, optimal set-up mode is first convex
Gap is equipped between point and the second salient point, the width in gap is 0.02mm-0.05mm.
The upper surface or/and lower surface of extension end are equipped with jagged third salient point (not shown), the height of third salient point
For 0.03-0.05mm, the diameter of third salient point is 0.01-0.03mm, and the upper surface or/and lower surface for being retracted end 6 are equipped with sawtooth
4th salient point (not shown) of shape, the height of the 4th salient point are 0.03-0.05mm, and the diameter of the 4th salient point is 0.01-0.03mm.
Its position between adjacent layer can be increased in this way to stablize.Allow welded tube to increase anti-pressure ability, displacement is avoided to generate
Crack.
In above structure, stretchable layer 1 is made of aluminium oxide and silicon, the first impact resistance metal layer 3 and the second impact resistance metal
Layer 2 is impact resistance metallic composite, and impact resistance metallic composite is made according to the following raw material of mass fraction meter: iron powder
28-45 parts；3-8 parts of silicon carbide；2-6 parts of aluminium oxide；3-8 parts of magnesium powder；4-10 parts of nickel powder；35-42 parts of l-lactic acid；Amide hydrazine
1-2 parts of class compound；2,2,, 6,6,1-2 parts of tetra isopropyl diphenyl carbodiimides.
Those of ordinary skill in fields it should be appreciated that, the features of the present invention or the first purpose are:
A kind of double-deck dislocation sealing welded tube proposed by the present invention has and assembles convenient, and structure is simple, reliable performance, low-cost excellent
Point meets the needs of production.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferable
Embodiment describes the invention in detail, those skilled in the art should understand that, it can be to technology of the invention
Scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered in this hair
In bright scope of the claims.
Claims (8)
1. a kind of double-deck dislocation sealing welded tube, including tube body, it is characterized in that: the tube body is hollow structure, the tube body it is outer
Surface is equipped with the first impact resistance metal layer, and the first impact resistance metal layer coats the tube body, the first impact resistance metal
Layer has strip notch along the top and bottom in the tube length direction, and the indentation, there is equipped with stretchable layer, the stretchable layer
It is connect with the first impact resistance metal layer, the outer surface of the tube body is equipped with along the top and bottom in tube length direction
Two impact resistance metal layers, the second impact resistance metal layer have extension end and retraction end, the second impact resistance metal layer
Outer surface is bonded with the stretchable layer.
2. the double-deck dislocation sealing welded tube as described in claim 1, it is characterized in that: the width of the stretchable layer is less than described second
The width of impact resistance metal layer, the height of the stretchable layer are less than the height of the second impact resistance metal layer.
3. the double-deck dislocation sealing welded tube as described in claim 1, it is characterized in that: the extension elongation of the extension end is equal to described
It is retracted the retraction length at end.
4. the double-deck dislocation sealing welded tube as claimed in claim 3, it is characterized in that: the extension elongation of the extension end is 3-5mm.
5. the double-deck dislocation sealing welded tube as described in claim 1, it is characterized in that: the stretchable layer is in itself and the described first resistance to punching
The junction for hitting metal layer is equipped with multiple first salient points, and the first impact resistance metal layer is in the junction of itself and the stretchable layer
Equipped with multiple second salient points, first salient point and the second salient point are arranged circumferentially along tube length direction, first salient point
It is spaced apart from each other setting with second salient point, constitutes a cyclic structure.
6. dislocation sealing welded tube as claimed in claim 5 double-deck, it is characterized in that: first salient point and second salient point it
Between be equipped with gap, the width in the gap is 0.02mm-0.05mm.
7. the double-deck dislocation sealing welded tube as described in claim 1, it is characterized in that: the stretchable layer is aluminium oxide and silicon.
8. the double-deck dislocation sealing welded tube as described in claim 1, it is characterized in that: the upper surface of the extension end is equipped with zigzag
Third salient point, the height of the third salient point is 0.03-0.05mm, and the diameter of the third salient point is 0.01-0.03mm, institute
The upper surface for stating retraction end is equipped with jagged 4th salient point, and the height of the 4th salient point is 0.03-0.05mm, and the described 4th
The diameter of salient point is 0.01-0.03mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710098761.9A CN106626537B (en) | 2017-02-23 | 2017-02-23 | A kind of double-deck dislocation sealing welded tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710098761.9A CN106626537B (en) | 2017-02-23 | 2017-02-23 | A kind of double-deck dislocation sealing welded tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106626537A CN106626537A (en) | 2017-05-10 |
| CN106626537B true CN106626537B (en) | 2018-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710098761.9A Active CN106626537B (en) | 2017-02-23 | 2017-02-23 | A kind of double-deck dislocation sealing welded tube |
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| CN (1) | CN106626537B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350465A (en) * | 2017-05-27 | 2017-11-17 | 黄永兰 | A kind of impact resistance metallic composite and preparation method thereof |
| CN107331431A (en) * | 2017-05-27 | 2017-11-07 | 徐平芳 | A kind of transparent conducting Composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2456860Y (en) * | 2000-10-20 | 2001-10-31 | 凌星中 | Double layer screw welded tube |
| CN203500680U (en) * | 2013-10-23 | 2014-03-26 | 吴汉超 | Bimetal composite pipe with stainless steel pipe connector and two staggered double-welding layers |
| CN203594892U (en) * | 2013-11-19 | 2014-05-14 | 上海申花钢管有限公司 | Seam edge-overlapping type steel welded pipe |
| CN205606001U (en) * | 2016-05-16 | 2016-09-28 | 江西特塑新材料有限公司 | Ribbed pipe in reinforced (rfd) dual reinforcing of T type glass fiber subassembly butt fusion |
| CN206561647U (en) * | 2017-02-23 | 2017-10-17 | 江苏冰溶管业有限公司 | A kind of double-deck dislocation sealing welded tube |
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| CN106626537A (en) | 2017-05-10 |
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