CN206988666U - A kind of steel combined with aluminum corrugated expansion joint - Google Patents
A kind of steel combined with aluminum corrugated expansion joint Download PDFInfo
- Publication number
- CN206988666U CN206988666U CN201720670763.6U CN201720670763U CN206988666U CN 206988666 U CN206988666 U CN 206988666U CN 201720670763 U CN201720670763 U CN 201720670763U CN 206988666 U CN206988666 U CN 206988666U
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- flange
- bellows
- expansion joint
- diameter
- corrugated expansion
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Abstract
The utility model discloses a kind of steel combined with aluminum corrugated expansion joint, including round flange, square flange and bellows, the bellows is double-ply bellows structure, its internal layer is stainless steel layer, outer layer is aluminium alloy layer, and cut, drilled by smart car, roll bending, longitudinal seam welding, Non-Destructive Testing, fit, seam weld and forming processes obtain steel combined with aluminum corrugated expansion joint finished product.The utility model composite construction is by using longitudinal seam welding technology, steel combined with aluminum bellows-welding is set to form overall structure, solve the problems, such as that traditional product can only use homogenous material, by the way that bellows bilayer is set, both no-welding is realized, the conductive guide performance of product can be increased again, the water conservancy diversion row that traditional product outer layer installation can be saved or ground wire, outer layer aluminium alloy instead of water conservancy diversion row, so that product strength is high, it is not easy to crack, conductive good guide performance, while can be installed with extraction duct, temperature change when caused displacement.
Description
Technical field
Corrugated expansion joint technical field is the utility model is related to, specially a kind of integrally-built steel combined with aluminum bellows
Compensator.
Background technology
Corrugated expansion joint is to use a kind of expansion joint made of metal bellows.It can stretch in the axial direction, also allow
A small amount of bending.Bellows is usually used in axial type bellows expansion joint, and stretching for pipeline axial direction can be compensated on pipeline
Contracting or displacement.
Existing corrugated expansion joint is typically only capable to be made using a kind of material, causes compensation effect undesirable.For with
In power system or the pipeline compensator of other special dimensions, some also need to install water conservancy diversion row additional in the outside of bellows, so as to
Meet the requirement of its electric conductivity, so not only bring certain cost to increase to production, and the intensity of product is relatively low,
Long-term use easily causes junction Cracking Failure.For this it is proposed that a kind of steel combined with aluminum corrugated expansion joint and its manufacture work
Skill is used to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of steel combined with aluminum corrugated expansion joint and its manufacturing process, with solution
The problem of being proposed in background technology is stated, that is, does not need additionally mounted water conservancy diversion row also to meet the electric conductivity requirement of product, and
The intensity of product is high, and long-term use will not also cause product junction to be ftractureed.
To achieve the above object, the utility model provides following technical scheme：
Steel combined with aluminum corrugated expansion joint, including round flange, square flange and bellows, the outer surface of the round flange are provided with
Upper welding groove, the upper straight flange of the bellows runs through the internal diameter of round flange, and is welded on welding groove, and the bellows is bilayer
Bellows structure, its internal layer are stainless steel layer, and outer layer is aluminium alloy layer, and the lower straight flange of bellows runs through the internal diameter of square flange,
And it is welded on the lower welding groove of square flange outer surface so that whole corrugated expansion joint forms overall structure.
Preferably, the external diameter of the round flange, internal diameter and thickness are Ф 560-570 × Φ 430-440 × 8-
12mm, is uniformly provided with several drillings on the round flange, a diameter of Ф 15-20mm of the drilling, the blue outer width of methods described,
Internal diameter and thickness are 560-570 × Φ 430-440 × 25-35mm, and the surrounding of party's flange is equipped with one big drilling,
A diameter of Ф 15-25mm of the big drilling, and the square flange of bore position is provided with several small bores on corresponding round flange,
A diameter of Ф 15-18mm of the small bore, the wave number of the bellows is two, and its pitch of waves is 15-25mm, wave height 20-
30mm。
Preferably, the external diameter of the round flange, internal diameter and thickness are Ф 564 × Φ, 439 × 10mm, the round flange
On be uniformly provided with 12 drillings, a diameter of Ф 18mm of the drilling.
Preferably, methods described blue outer width, internal diameter and thickness is 564 × Φ, 439 × 30mm, party's flange
Surrounding be equipped with one big drilling, a diameter of Ф 20mm of the big drilling, and on corresponding round flange bore position method
Orchid is provided with 12 small bores, a diameter of Ф 16mm of the small bore, using fillet processing at the corner of square flange.
Preferably, the pitch of waves of the bellows is 20mm, wave height 24mm.
Preferably, the upper welding groove and lower welding groove are ring channel structures, the upper straight flange and lower straight flange welded thereon
It is 0.3mm with flange seal surface evenness, i.e., bellows and flange region junction are planar structure.
Compared with prior art, the beneficial effects of the utility model are：Steel aluminum compound structure of the present utility model is by adopting
With longitudinal seam welding technology, steel combined with aluminum bellows-welding is set to form overall structure, single material can only be used by solving traditional product
The problem of material, so as to increase its intensity, by the way that the double-deck setting of bellows, its internal layer are used into stainless steel, outer layer is aluminium alloy, both
No-welding is realized, conduction, the guide performance of product can be increased again, the water conservancy diversion row that traditional product outer layer installation can be saved or ground connection
Line, i.e. outer layer aluminium alloy instead of water conservancy diversion row, so that not only intensity is high for product, it is not easy to crack, and conductive, guide performance
More preferably, while can be installed with extraction duct, displacement caused by temperature change.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model；
Fig. 2 is right side structural representation of the present utility model；
Fig. 3 is the partial enlarged drawing at Z in the utility model Fig. 1.
In figure：1st, round flange, 11, upper welding groove, 12, drilling, 2, bellows, 21, upper straight flange, 22, stainless steel layer, 23,
Aluminium alloy layer, 24, lower straight flange, 3, square flange, 31, lower welding groove, 32, big drilling, 33, small bore.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：Steel combined with aluminum corrugated expansion joint, including circule method
Orchid 1, square flange 3 and bellows 2, external diameter, internal diameter and the thickness of round flange 1 are Ф 564 × Φ, 439 × 10mm, the circle
12 drillings 12, a diameter of Ф 18mm of the drilling 12 are uniformly provided with flange 1.
Outer width, internal diameter and the thickness of square flange 3 are 564 × Φ, 439 × 30mm, and the surrounding of party's flange 3 is equal
Provided with one big drilling 32, a diameter of Ф 20mm of big drilling 32, and the square flange 3 for 12 positions that drilled on corresponding round flange 1 is set
There are 12 small bores 33, a diameter of Ф 16mm of small bore 33, handled using fillet at the corner of square flange 3.
The outer surface of round flange 1 is provided with upper welding groove 11, and the upper straight flange 21 of bellows 2 runs through the internal diameter of round flange 1, and welds
It is connected on welding groove 11, the bellows 2 is double-ply bellows structure, and its internal layer is stainless steel layer 22, and outer layer is aluminium alloy layer
23, and the lower straight flange 24 of bellows 2 runs through the internal diameter of square flange 3, and be welded on the lower welding groove 31 of the outer surface of square flange 3,
The wave number of bellows 2 is two, and its pitch of waves is 20mm, wave height 24mm.
Upper welding groove 11 and lower welding groove 31 are ring channel structures, the upper straight flange 21 and lower straight flange 24 and method welded thereon
Orchid sealing surface evenness is 0.3mm, i.e., bellows 2 and flange region junction are planar structure so that whole bellow-type expansion
Device forms overall structure.
Operation principle of the present utility model：The utility model structure makes steel combined with aluminum ripple by using longitudinal seam welding technology
Line pipe welds to form overall structure, solves the problems, such as that traditional product can only use homogenous material, so as to increase its intensity, passes through
By the double-deck setting of bellows 2, its internal layer uses stainless steel, and outer layer is aluminium alloy, both realizes no-welding, can increase product again
Conductive guide performance, the water conservancy diversion row that can save traditional product outer layer installation or ground wire, outer layer aluminium alloy instead of water conservancy diversion row, from
And make it that product strength is high, not easy to crack, conductive good guide performance, at the same can be installed with extraction duct, temperature change when cause
Displacement.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of steel combined with aluminum corrugated expansion joint, including round flange (1), square flange (3) and bellows (2), it is characterised in that：
The outer surface of the round flange (1) is provided with upper welding groove (11), and the upper straight flange (21) of the bellows (2) runs through round flange (1)
Internal diameter, and be welded on welding groove (11), the bellows (2) is double-decker, and its internal layer is stainless steel layer (22), outer layer
For aluminium alloy layer (23), and the lower straight flange (24) of bellows (2) runs through the internal diameter of square flange (3), and is welded on square flange (3) outside
On the lower welding groove (31) on surface so that whole corrugated expansion joint forms overall structure.
2. steel combined with aluminum corrugated expansion joint according to claim 1, it is characterised in that：The external diameter of the round flange (1),
Internal diameter and thickness are Ф 560-570 × Φ 430-440 × 8-12mm, and several brills are uniformly provided with the round flange (1)
Hole (12), a diameter of Ф 15-20mm of the drilling (12), outer width, internal diameter and the thickness of methods described orchid (3) are
560-570 × Φ 430-440 × 25-35mm, the surrounding of party's flange (3) are equipped with one big drilling (32), the big drilling
(32) a diameter of Ф 15-25mm, and the square flange (3) of (12) position that drilled on corresponding round flange (1) is provided with several bradawls
Hole (33), a diameter of Ф 15-18mm of the small bore (33), the wave number of the bellows (2) is two, and its pitch of waves is 15-
25mm, wave height 20-30mm.
3. steel combined with aluminum corrugated expansion joint according to claim 2, it is characterised in that：The external diameter of the round flange (1),
Internal diameter and thickness are Ф 564 × Φ, 439 × 10mm, and 12 drillings (12), the brill are uniformly provided with the round flange (1)
A diameter of Ф 18mm in hole (12).
4. steel combined with aluminum corrugated expansion joint according to claim 2, it is characterised in that：The outer width of methods described orchid (3)
Degree, internal diameter and thickness are 564 × Φ, 439 × 30mm, and the surrounding of party's flange (3) is equipped with one big drilling (32),
A diameter of Ф 20mm of the big drilling (32), and the square flange (3) of (12) position that drilled on corresponding round flange (1) is provided with 12
Individual small bore (33), a diameter of Ф 16mm of the small bore (33), the corner of square flange (3) is set to fillet.
5. steel combined with aluminum corrugated expansion joint according to claim 2, it is characterised in that：The pitch of waves of the bellows (2)
For 20mm, wave height 24mm.
6. steel combined with aluminum corrugated expansion joint according to claim 1, it is characterised in that：The upper welding groove (11) and under
Welding groove (31) is ring channel structures, and the upper straight flange (21) and lower straight flange (24) welded thereon is with flange seal surface evenness
0.3mm, i.e. bellows (2) and flange region junction are planar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720670763.6U CN206988666U (en) | 2017-06-11 | 2017-06-11 | A kind of steel combined with aluminum corrugated expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720670763.6U CN206988666U (en) | 2017-06-11 | 2017-06-11 | A kind of steel combined with aluminum corrugated expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988666U true CN206988666U (en) | 2018-02-09 |
Family
ID=61395273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720670763.6U Expired - Fee Related CN206988666U (en) | 2017-06-11 | 2017-06-11 | A kind of steel combined with aluminum corrugated expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027493A (en) * | 2017-06-11 | 2018-12-18 | 江苏恒高电气制造有限公司 | Steel combined with aluminum corrugated expansion joint and its manufacturing process |
-
2017
- 2017-06-11 CN CN201720670763.6U patent/CN206988666U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027493A (en) * | 2017-06-11 | 2018-12-18 | 江苏恒高电气制造有限公司 | Steel combined with aluminum corrugated expansion joint and its manufacturing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20200611 |