CN221374912U - Corrosion-resistant wear-resistant expansion joint - Google Patents
Corrosion-resistant wear-resistant expansion joint Download PDFInfo
- Publication number
- CN221374912U CN221374912U CN202322949575.5U CN202322949575U CN221374912U CN 221374912 U CN221374912 U CN 221374912U CN 202322949575 U CN202322949575 U CN 202322949575U CN 221374912 U CN221374912 U CN 221374912U
- Authority
- CN
- China
- Prior art keywords
- wear
- resistant
- corrosion
- expansion joint
- corrugated pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 49
- 230000007797 corrosion Effects 0.000 title claims description 10
- 239000002184 metal Substances 0.000 claims abstract description 37
- 239000011229 interlayer Substances 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 22
- 210000001503 joint Anatomy 0.000 claims description 30
- 239000011241 protective layer Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses an anti-corrosion wear-resistant expansion joint, which comprises a wear-resistant metal corrugated pipe body, wherein an upper pipe head is arranged above the wear-resistant metal corrugated pipe body, and an anti-corrosion protection layer is attached to one side surface of the wear-resistant metal corrugated pipe body; the utility model provides an anticorrosive wear-resisting expansion joint, through wear-resisting metal bellows body, go up the tube head, anticorrosive protection layer, middle layer interlayer bellows, inside lining interlayer bellows and the setting of outer anticorrosive safety cover, when the device is installed and is used, the wear-resisting metal bellows body has strengthened thickness and wearability of itself by inside middle layer interlayer bellows and inside lining interlayer bellows, let the device can bear some corrosive liquids and flow and have higher wear-resisting anticorrosive resistance, and anticorrosive protection layer and outer anticorrosive safety cover have been laminated in wear-resisting metal bellows body outside moreover, outer anticorrosive safety cover can be isolated some corrosive gas in the outside earlier, then anticorrosive protection layer further carries out secondary protection to wear-resisting metal bellows body.
Description
Technical Field
The utility model relates to the technical field of expansion joints, in particular to an anti-corrosion wear-resistant expansion joint.
Background
The expansion joint is a flexible structure arranged on a container shell or a pipeline for compensating additional stress caused by temperature difference and mechanical vibration, utilizes effective expansion and contraction deformation of the corrugated pipe of the working main body to absorb dimensional changes of the pipeline, the conduit, the container and the like caused by expansion and contraction and the like, or compensates axial, transverse and angular displacement of the pipeline, the conduit, the container and the like, and can also be used for noise reduction, vibration reduction and heat supply.
In the use process of the existing wear-resistant expansion joint, due to different use occasions of the wear-resistant expansion joint, when the wear-resistant expansion joint is installed in a corrosive gas space for use or is used for bearing some corrosive liquid to flow, the wear-resistant expansion joint can cause the situation that a corrugated pipe body is corroded and damaged, so that the service life of the whole wear-resistant expansion joint is reduced, and the wear-resistant expansion joint needs to be frequently replaced and maintained for a long time when working in the corrosive gas space, so that the use cost is increased, and therefore, the corrosion-resistant wear-resistant expansion joint needs to be provided.
Disclosure of utility model
The utility model aims to provide an anti-corrosion wear-resistant expansion joint so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anticorrosive wear-resisting expansion joint, includes wear-resisting metal bellows body, the tube head is installed to wear-resisting metal bellows body's top, wear-resisting metal bellows body's one side surface laminating anticorrosive protection layer, wear-resisting metal bellows body's inside fixedly connected with middle layer interlayer bellows, the inside fixedly connected with inside lining interlayer bellows of middle layer interlayer bellows, the externally mounted of tube head has the otic placode, one side of otic placode is provided with the stiffening rib, threaded pull rod has been run through to the top of otic placode, threaded pull rod's outside swing joint has hexagon nut, hexagon nut's bottom is provided with anti-skidding packing ring, anti-skidding packing ring's below is provided with outer anticorrosive safety cover, threaded pull rod's top is provided with the pull rod cover.
Preferably, the anti-corrosion protection layer is attached to the wear-resistant metal corrugated pipe body, and the inner size of the anti-corrosion protection layer is matched with the outer size of the wear-resistant metal corrugated pipe body.
Preferably, the lining interlayer corrugated pipe and the middle interlayer corrugated pipe are tightly attached, and one side of the lining interlayer corrugated pipe is attached to one side of the middle interlayer corrugated pipe.
Preferably, the stiffening ribs are welded with the upper pipe head through the lug plates, and the lug plates are distributed on the upper pipe head at equal intervals.
Preferably, the outer anti-corrosion protection cover is movably connected with the threaded pull rod through a hexagonal nut, and the center line of the hexagonal nut is matched with the center line of the threaded pull rod.
Preferably, the top of the upper tube head is provided with an upper mounting plate, one side surface of the upper mounting plate is provided with a butt threaded hole, and a butt block is arranged above the upper mounting plate.
Preferably, the bottom of the wear-resistant metal corrugated pipe body is provided with a lower pipe head, and the bottom of the lower pipe head is fixedly connected with a lower mounting plate.
Preferably, a mounting hole is formed in one side surface of the lower mounting plate, and a butt joint groove is formed in the bottom of the lower mounting plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the anti-corrosion wear-resistant expansion joint, through the arrangement of the wear-resistant metal corrugated pipe body, the upper pipe head, the anti-corrosion protection layer, the middle interlayer corrugated pipe, the lining interlayer corrugated pipe and the outer anti-corrosion protection cover, when the device is installed and used, the thickness and wear resistance of the wear-resistant metal corrugated pipe body are enhanced by the middle interlayer corrugated pipe and the lining interlayer corrugated pipe inside, the device can bear some corrosive liquid to flow, the wear-resistant and anti-corrosion resistance is higher, the anti-corrosion protection layer and the outer anti-corrosion protection cover are attached to the outer part of the wear-resistant metal corrugated pipe body, some corrosive gas can be isolated from the outer part of the outer anti-corrosion protection cover, and then the anti-corrosion protection layer further performs secondary protection on the wear-resistant metal corrugated pipe body, so that the device has certain anti-corrosion capacity under the matched use, the service life of the device in a corrosive gas space is prolonged, and the damage probability of the device after the corrosive gas is infringed is reduced;
2. According to the anti-corrosion wear-resistant expansion joint, through the arrangement of the upper pipe head, the lug plate, the stiffening rib, the threaded pull rod, the hexagonal nut, the anti-slip washer and the pull rod sleeve, when the device is installed and used, the pipeline or the container is subjected to expansion and contraction due to temperature change, the wear-resistant metal corrugated pipe body is correspondingly deformed, the fastening and supporting functions are provided for the device through the threaded pull rod, the hexagonal nut and the anti-slip washer, then the limited threaded pull rod enables the wear-resistant metal corrugated pipe body to be stressed uniformly, the mechanical performance and the sealing performance of the expansion joint are guaranteed, the device is kept to be elastically deformed within a certain range, and therefore the normal operation of a system is guaranteed;
3. The anti-corrosion wear-resistant expansion joint is characterized in that the length of the wear-resistant expansion joint which is required to be installed is naturally different due to the fact that the lengths of different pipelines are different, the wear-resistant expansion joint which is required to be installed is required to be spliced and prolonged, the wear-resistant expansion joint which is identical to the wear-resistant expansion joint can be taken out, the butt joint block of the upper mounting plate is aligned with the butt joint groove of the lower mounting plate to be clamped, the butt joint threaded hole and the mounting hole are fastened through bolts, and therefore butt joint installation work of two groups of wear-resistant expansion joints is completed, the operation is simple and convenient, and the tightness in butt joint installation is enhanced through the butt joint block and the butt joint groove.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic structural view of the anti-corrosive protective layer of the present utility model;
FIG. 3 is a schematic view of the structure of an ear plate according to the present utility model;
FIG. 4 is a schematic view of the structure of the outer anti-corrosion protective cover of the present utility model;
fig. 5 is a schematic structural view of the lower tube head of the present utility model.
In the figure: 1. a wear-resistant metallic corrugated pipe body; 2. an upper tube head; 3. an anti-corrosion protective layer; 4. a middle interlayer corrugated tube; 5. lining interlayer corrugated pipe; 6. ear plates; 7. stiffening ribs; 8. a threaded pull rod; 9. a hexagonal nut; 10. an anti-slip washer; 11. an outer anti-corrosion protective cover; 12. a pull rod sleeve; 13. an upper mounting plate; 14. butt joint threaded holes; 15. a butt joint block; 16. a lower pipe head; 17. a lower mounting plate; 18. a mounting hole; 19. and a butt joint groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2, 3 and 4, the present utility model provides the following technical solutions: the utility model provides an anticorrosive wear-resisting expansion joint, including wear-resisting metal bellows body 1, upper tube head 2 is installed to wear-resisting metal bellows body 1's top, laminating anticorrosive protection layer 3 on wear-resisting metal bellows body 1's one side surface, laminating mutually between anticorrosive protection layer 3 and the wear-resisting metal bellows body 1, anticorrosive protection layer 3's internal dimension is identical with wear-resisting metal bellows body 1's external dimension, anticorrosive protection layer 3 further carries out secondary protection to wear-resisting metal bellows body 1, improve the resistance to corrosive gas, wear-resisting metal bellows body 1's inside fixedly connected with middle layer interlayer bellows 4, the inside fixedly connected with inside lining interlayer bellows 5 of middle layer interlayer bellows 4.
The lining interlayer corrugated pipe 5 is closely attached to the middle interlayer corrugated pipe 4, one side of the lining interlayer corrugated pipe 5 is attached to one side of the middle interlayer corrugated pipe 4, the thickness and wear resistance of the wear-resistant metal corrugated pipe body 1 are enhanced by the inner middle interlayer corrugated pipe 4 and the lining interlayer corrugated pipe 5, the lug plate 6 is mounted on the outer portion of the upper pipe head 2, stiffening ribs 7 are arranged on one side of the lug plate 6, the stiffening ribs 7 are welded between the lug plate 6 and the upper pipe head 2, the lug plate 6 is distributed on the upper pipe head 2 at equal intervals, and the stiffening ribs 7 on the lug plate 6 enhance the stability when being connected between the lug plate 6 and the upper pipe head 2, so that certain supporting capacity is provided for the lug plate 6.
Referring to fig. 1, 3, 4 and 5, a threaded pull rod 8 is penetrated above the ear plate 6, a hexagonal nut 9 is movably connected to the outside of the threaded pull rod 8, an anti-slip washer 10 is arranged at the bottom of the hexagonal nut 9, an outer anti-corrosion protection cover 11 is arranged below the anti-slip washer 10, a pull rod sleeve 12 is arranged above the threaded pull rod 8, the outer anti-corrosion protection cover 11 is movably connected with the threaded pull rod 8 through the hexagonal nut 9, the center line of the hexagonal nut 9 is identical with the center line of the threaded pull rod 8, and when the wear-resistant metal corrugated pipe body 1 deforms, an upper mounting plate 13 is mounted at the top of the upper pipe head 2 through the fastening and supporting functions of the threaded pull rod 8, the hexagonal nut 9 and the anti-slip washer 10.
The butt joint threaded hole 14 is formed in one side surface of the upper mounting plate 13, the butt joint block 15 is mounted above the upper mounting plate 13, when the device is spliced and prolonged, the same wear-resistant expansion joint as the device can be taken out, the butt joint groove 19 of the lower mounting plate 17 is aligned with the butt joint block 15 of the upper mounting plate 13 to be clamped and assist the device to finish splicing and prolonged operation, the lower pipe head 16 is mounted at the bottom of the wear-resistant metal corrugated pipe body 1, the lower mounting plate 17 is fixedly connected with the bottom of the lower pipe head 16, the whole structure of the lower mounting plate 17 is simple and cost-effective, the device is convenient to replace in time to maintain if faults occur, normal use of the device is not delayed, the mounting hole 18 is formed in one side surface of the lower mounting plate 17, the butt joint groove 19 is arranged at the bottom of the lower mounting plate 17, after the butt joint groove 19 and the butt joint block 15 are clamped, the butt joint threaded hole 14 and the mounting hole 18 are fastened by bolts, and thus the butt joint mounting operation of the two groups of wear-resistant expansion joints is completed.
When the anti-corrosion wear-resistant expansion joint is used, firstly, the joint of the pipeline to be installed is selected, the device and the pipeline are connected through bolts and the upper mounting plate 13, then according to the use length of the current pipeline, the other group of wear-resistant expansion joint is taken out, the butt joint block 15 on the upper pipe head 2 is inserted into the butt joint groove 19 at the bottom of the other group of wear-resistant expansion joint, the butt joint threaded holes 14 and the mounting holes 18 are fastened through bolts, so that the butt joint installation work of the two groups of wear-resistant expansion joints is completed, the pipeline installation work of different lengths is met, the device can be normally started to be used after the installation and preparation work is completed, when corrosive liquid flows in the pipeline, the thickness and the wear resistance of the inner lining corrugated pipe 4 and the inner lining corrugated pipe 5 are enhanced, the outer anti-corrosion protection cover 11 can firstly isolate some corrosive gas outside, then the anti-corrosion protection layer 3 further protects the wear-resistant corrugated pipe 1 for secondary protection, thermal expansion of the corrosive gas occurs due to temperature change, then the pipeline or the container correspondingly generates thermal expansion, the anti-corrosion corrugated pipe 1 is not required to be used for the wear-resistant corrugated pipe, the device is not normally placed for the long-time storage device through the screw thread 9 and the anti-corrosion corrugated pipe, the device is not normally used for the normal operation after the installation work is completed, and the anti-corrosion corrugated pipe is completely used, and the anti-corrosion corrugated pipe is completely is placed, and the anti-corrosion protection device is not normally used, and the anti-corrosion protection device is normally used, and the device is placed for the normal is used for the normal maintenance is used, and is not required to be used for the expansion device.
Wherein the material of the anti-corrosion protective layer 3 can be polytetrafluoroethylene.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An anticorrosive wear-resisting expansion joint, includes wear-resisting metal wave form body (1), its characterized in that: the anti-corrosion protection device is characterized in that an upper tube head (2) is arranged above the wear-resistant metal corrugated tube body (1), an anti-corrosion protection layer (3) is attached to one side surface of the wear-resistant metal corrugated tube body (1), a middle interlayer corrugated tube (4) is fixedly connected to the inside of the wear-resistant metal corrugated tube body (1), an inner lining interlayer corrugated tube (5) is fixedly connected to the inside of the middle interlayer corrugated tube (4), an ear plate (6) is arranged on the outer portion of the upper tube head (2), a stiffening rib (7) is arranged on one side of the ear plate (6), a threaded pull rod (8) penetrates through the upper portion of the ear plate (6), a hexagonal nut (9) is movably connected to the outer portion of the threaded pull rod (8), an anti-slip washer (10) is arranged at the bottom of the hexagonal nut (9), an outer anti-corrosion protection cover (11) is arranged below the anti-slip washer (10), and a pull rod sleeve (12) is arranged above the threaded pull rod (8).
2. The corrosion-resistant and wear-resistant expansion joint according to claim 1, wherein the corrosion-resistant protective layer (3) is attached to the wear-resistant metal corrugated pipe body (1), and the inner dimension of the corrosion-resistant protective layer (3) is matched with the outer dimension of the wear-resistant metal corrugated pipe body (1).
3. An anti-corrosion and wear-resistant expansion joint according to claim 1, wherein the lining interlayer corrugated pipe (5) is tightly attached to the middle interlayer corrugated pipe (4), and one side of the lining interlayer corrugated pipe (5) is attached to one side of the middle interlayer corrugated pipe (4).
4. An anti-corrosion wear-resistant expansion joint according to claim 1, wherein the stiffening ribs (7) are welded with the upper tube head (2) through lugs (6), and the lugs (6) are distributed on the upper tube head (2) at equal intervals.
5. The corrosion-resistant and wear-resistant expansion joint according to claim 1, wherein the outer corrosion-resistant protective cover (11) is movably connected with the threaded pull rod (8) through a hexagonal nut (9), and the center line of the hexagonal nut (9) is matched with the center line of the threaded pull rod (8).
6. The corrosion-resistant and wear-resistant expansion joint according to claim 1, wherein an upper mounting plate (13) is mounted on the top of the upper pipe head (2), a butt threaded hole (14) is formed in one side surface of the upper mounting plate (13), and a butt joint block (15) is mounted above the upper mounting plate (13).
7. An anti-corrosion wear-resistant expansion joint according to claim 1, wherein a lower pipe head (16) is mounted at the bottom of the wear-resistant metal corrugated pipe body (1), and a lower mounting plate (17) is fixedly connected to the bottom of the lower pipe head (16).
8. The corrosion-resistant and wear-resistant expansion joint according to claim 7, wherein a mounting hole (18) is formed in one side surface of the lower mounting plate (17), and a butt joint groove (19) is formed in the bottom of the lower mounting plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322949575.5U CN221374912U (en) | 2023-11-01 | 2023-11-01 | Corrosion-resistant wear-resistant expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322949575.5U CN221374912U (en) | 2023-11-01 | 2023-11-01 | Corrosion-resistant wear-resistant expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221374912U true CN221374912U (en) | 2024-07-19 |
Family
ID=91874351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322949575.5U Active CN221374912U (en) | 2023-11-01 | 2023-11-01 | Corrosion-resistant wear-resistant expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221374912U (en) |
-
2023
- 2023-11-01 CN CN202322949575.5U patent/CN221374912U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108331990B (en) | Axial compensation device for magnetic fluid seal | |
| CN221374912U (en) | Corrosion-resistant wear-resistant expansion joint | |
| CN219828038U (en) | Galvanized pipe convenient to splice | |
| CN217519410U (en) | Pipeline installation connecting device | |
| CN209819010U (en) | Anticorrosive type expansion joint device | |
| CN219734496U (en) | Titanium alloy composite pipe | |
| CN219300186U (en) | Expansion joint of metal corrugated pipe | |
| CN213954618U (en) | Pipeline engineering anticorrosion heat preservation pipe | |
| CN219712628U (en) | Novel composite galvanized pipe | |
| CN215294031U (en) | Connecting device for galvanized pipelines | |
| CN218543517U (en) | GRE pipe is used for ship ballast system | |
| CN114542843B (en) | Non-resistance balance type ripple compensator with external pressure type ripple compensation | |
| CN219655596U (en) | Wear-resistant steel lining tetrafluoro pipeline | |
| CN221743439U (en) | Interface sealing structure of T-shaped nodular cast iron pipe | |
| CN221857824U (en) | Rubber hose with quick-mounting joint | |
| CN213840017U (en) | Anticorrosive sealed angular expansion joint | |
| CN111174017A (en) | High-pressure wear-resistant rubber lining expansion joint structure | |
| CN108679340A (en) | A kind of steel made two-side casing expander | |
| CN218645035U (en) | High-precision corrosion-resistant corrugated pipe | |
| CN216867878U (en) | Composite sealing self-adjusting guide sleeve compensator | |
| CN210618382U (en) | Pipe fitting detachable device | |
| CN213361438U (en) | Self-sealing sleeve compensator | |
| CN211231926U (en) | Rubber hose with built-in reinforcing rib structure | |
| CN222026542U (en) | Sealing structure for water seepage prevention connection of drainage pipeline | |
| CN114738563B (en) | Insulation method and device for dissimilar metal submarine pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |