CN208381585U - Nuclear power type folder proposes formula and fast safeguards expansion joint - Google Patents
Nuclear power type folder proposes formula and fast safeguards expansion joint Download PDFInfo
- Publication number
- CN208381585U CN208381585U CN201820803997.8U CN201820803997U CN208381585U CN 208381585 U CN208381585 U CN 208381585U CN 201820803997 U CN201820803997 U CN 201820803997U CN 208381585 U CN208381585 U CN 208381585U
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- flange
- fast
- bellows
- expansion joint
- nuclear power
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Abstract
Formula, which is proposed, the utility model discloses a kind of nuclear power type folder fast safeguards expansion joint, including bellows, the bellows both ends are connected separately with left flange and right flange, the bellows interior is set with guiding device, the guiding device includes blank flange and guide shell, the blank flange is fixedly installed in guide shell, the blank flange is crimped on left flange, the not set mounting hole of guiding device in the utility model, directly it is set in inside bellows group, directly it is pressed by left gland flange and gasket in left flange, therefore guiding device is highly convenient for overhauling, replacement, media flow impact force present in Nuclear piping system is prevented to the potential impact of bellows group, the stability of metal bellows is given full play to, the service life of metal bellows is extended simultaneously；It is externally provided with corrosion-inhibiting coating in complete machine, further improves the corrosion resistance of complete product, has expanded the application of product.
Description
Technical field
The utility model relates to bellows expansion joint fields, mention more particularly to a kind of folder for being mainly used in nuclear power engineering
Formula fast safeguards expansion joint.
Background technique
It is important that metal corrugated pipe expansion joint is widely used in the national economy such as electric power, metallurgy, chemical industry, building, food, pharmacy
Industry, with compensation conduit system because of the displacement for generation of expanding with heat and contract with cold.Especially in nuclear power field, the safety of metal corrugated expension joint
Performance, stability, life performance are more paid attention to, and diversion pipe is usually directly welded in gold by traditional metal corrugated expension joint
On the adapter tube for belonging to corrugated expansion joint, such benefit is processing convenience, relative inexpensiveness, the disadvantage is that such bellows exists
It under the impact of fluid media (medium), is easy to appear diversion pipe and is easily damaged and jeopardize metal bellows, so that metal bellows is not only wanted
Play the effectiveness expanded with heat and contract with cold, it is also necessary to may go to bear the impact of fluid, so that life of product and stability cannot all be calculated
Be it is highly desirable, the utility model is exactly and the technique improvement carried out in order to improve disadvantage mentioned above.
Utility model content
The shortcomings that the utility model is overcome in the prior art provides a kind of nuclear power type folder and proposes formula and fast safeguard expansion
Section.
Realize the technical solution of the utility model aim are as follows: a kind of nuclear power type folder proposes formula and fast safeguards expansion joint, wraps
Bellows is included, the bellows both ends are connected separately with left flange and right flange, and the bellows interior is set with guiding device,
The guiding device includes blank flange and guide shell, and the blank flange is fixedly installed in guide shell, the blank flange pressure
It is connected to left flange.
Preferably, the nuclear power type folder proposes formula and fast safeguards that expansion joint further includes left gland flange and right gland flange, institute
It states left gland flange to be crimped on blank flange surface and be fixedly connected on left flange, the right gland flange crimps and is fixed on the right side
Flange.
Preferably, the nuclear power type folder proposes formula and fast safeguards that expansion joint further includes gasket, and the gasket is arranged in nothing
Between hole flange and left flange, blank flange left surface, the right surface of right flange.
Preferably, the guiding device further includes reducing cylinder, and the blank flange, reducing cylinder and guide shell are each other by extroversion
Inside it is fixedly connected sequentially.
Preferably, the nuclear power type folder proposes formula and fast safeguards that expansion joint further includes otic placode and pull rod, and the otic placode is solid respectively
Due to left flange and right flange, the pull rod both ends are removably attachable to the otic placode on left flange and right flange respectively.
Preferably, the bellows passes through the bellows group that adapter tube is connected between replacing with multiple groups bellows.
Preferably, the nuclear power type folder proposes formula and fast safeguards that the complete machine surfaces externally and internally of expansion joint is equipped with corrosion-inhibiting coating.
Compared with prior art, remarkable advantage: the not set mounting hole of guiding device is directly set in wave to the utility model
Inside line pipe group, directly it is pressed by left gland flange and gasket in left flange, therefore guiding device is highly convenient for maintenance, more
It changes, has prevented media flow impact force present in Nuclear piping system and gold has been given full play to the potential impact of bellows group
Belong to the stability of bellows, while extending the service life of metal bellows；It is externally provided with corrosion-inhibiting coating in complete machine, further mentions
The corrosion resistance for having risen complete product has expanded the application of product.
The utility model is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the structural schematic diagram of guiding device in the utility model embodiment.
Specific embodiment
As illustrated in fig. 1 and 2, a kind of nuclear power type folder proposes formula and fast safeguards expansion joint, which is characterized in that including bellows group,
The bellows group includes 2 groups of bellowss 4, is connected between the bellows 4 by adapter tube 6, bellows group both ends point
It is not connected with left flange 3 and right flange 10, the bellows group internal sleeve is equipped with guiding device 9, and the guiding device 9 includes nothing
Hole flange 91 and guide shell 93, the blank flange 91 are fixedly installed in guide shell 93, and the blank flange 91 is crimped on left method
Orchid 3；The nuclear power type folder proposes formula and fast safeguards that expansion joint further includes left gland flange 1, right gland flange 11 and gasket 2, institute
It states left gland flange 1 and blank flange 91 is crimped on by gasket 2, blank flange 91 is connected to left flange by gasket 2 again
3, it is bolted between left gland flange 1 and left flange 3, the right gland flange 11 is crimped on right method by gasket 2
Orchid 10, is bolted between the right gland flange 11 and right flange 10.
The guiding device 9 further includes reducing cylinder 92, and the blank flange 91, reducing cylinder 92 and guide shell 93 are each other by outer
Inwardly it is fixedly connected sequentially；The nuclear power type folder proposes formula and fast safeguards that expansion joint further includes otic placode 8 and pull rod 7, and the otic placode 8 divides
It is not fixed on left flange 3 and right flange 10,7 both ends of pull rod are removably attachable to respectively on left flange 3 and right flange 10
Otic placode 8；The nuclear power type folder proposes formula and fast safeguards that the complete machine surface of expansion joint is equipped with corrosion-inhibiting coating.
In the present embodiment, the not set mounting hole of guiding device is directly set in inside bellows group, passes through left gland flange
Directly it is pressed with gasket in left flange, therefore guiding device is highly convenient for maintenance, replacement, has prevented to deposit in Nuclear piping system
Media flow impact force to the potential impact of bellows group, given full play to the stability of metal bellows, extended simultaneously
The service life of metal bellows；It is externally provided with corrosion-inhibiting coating in complete machine, further improves the corrosion resistance of complete product,
The application of product is expanded.
Other than the above embodiments, other not described embodiments should be also within the protection scope of the utility model.
Specific embodiment as described herein is only to give an example to the spirit of the present invention, the utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.Although herein through specific
Term is illustrated, but a possibility that be not excluded for using other terms, the use of these items is only for easily describing and
Explain the essence of the utility model, being construed as any additional limitation is disagreed with the spirit of the present invention
's.
Claims (7)
1. a kind of nuclear power type folder proposes formula and fast safeguards expansion joint, which is characterized in that including bellows (4), the bellows (4) two
End is connected separately with left flange (3) and right flange (10), and bellows (4) internal sleeve is equipped with guiding device (9), the water conservancy diversion
Device (9) includes blank flange (91) and guide shell (93), and the blank flange (91) is fixedly installed in guide shell (93), described
Blank flange (91) is crimped on left flange (3).
2. nuclear power type folder according to claim 1 proposes formula and fast safeguards expansion joint, which is characterized in that the nuclear power type folder mentions
Formula fast safeguards that expansion joint further includes left gland flange (1) and right gland flange (11), and the left gland flange (1) is crimped on nothing
Flange (91) surface in hole is simultaneously fixedly connected on left flange (3), and the right gland flange (11) crimps and is fixed on right flange (10).
3. nuclear power type folder according to claim 1 proposes formula and fast safeguards expansion joint, which is characterized in that the nuclear power type folder mentions
Formula fast safeguards that expansion joint further includes gasket (2), the gasket (2) setting blank flange (91) and left flange (3) it
Between, blank flange (91) left surface, right flange (10) right surface.
4. nuclear power type folder according to claim 1 proposes formula and fast safeguards expansion joint, which is characterized in that the guiding device
It (9) further include reducing cylinder (92), ecto-entad is successively solid each other for the blank flange (91), reducing cylinder (92) and guide shell (93)
Fixed connection.
5. nuclear power type folder according to claim 1 proposes formula and fast safeguards expansion joint, which is characterized in that the nuclear power type folder mentions
Formula fast safeguards that expansion joint further includes otic placode (8) and pull rod (7), and the otic placode (8) is individually fixed in left flange (3) and right flange
(10), pull rod (7) both ends are removably attachable to the otic placode (8) on left flange (3) and right flange (10) respectively.
6. nuclear power type folder according to claim 1 proposes formula and fast safeguards expansion joint, which is characterized in that the bellows (4)
Replace with the bellows group that multiple groups bellows (4) is connected by taking over (6) each other.
7. the folder of nuclear power type described according to claim 1 or 2 or 4 or 5 or 6 proposes formula and fast safeguards expansion joint, which is characterized in that institute
Nuclear power type folder is stated to propose formula and fast safeguard that the complete machine surfaces externally and internally of expansion joint is equipped with corrosion-inhibiting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803997.8U CN208381585U (en) | 2018-05-28 | 2018-05-28 | Nuclear power type folder proposes formula and fast safeguards expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803997.8U CN208381585U (en) | 2018-05-28 | 2018-05-28 | Nuclear power type folder proposes formula and fast safeguards expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381585U true CN208381585U (en) | 2019-01-15 |
Family
ID=64969215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820803997.8U Active CN208381585U (en) | 2018-05-28 | 2018-05-28 | Nuclear power type folder proposes formula and fast safeguards expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381585U (en) |
-
2018
- 2018-05-28 CN CN201820803997.8U patent/CN208381585U/en active Active
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