CN113864542B - Corrosion-resistant ocean engineering stainless steel thin pipe - Google Patents
Corrosion-resistant ocean engineering stainless steel thin pipe Download PDFInfo
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- CN113864542B CN113864542B CN202111171964.9A CN202111171964A CN113864542B CN 113864542 B CN113864542 B CN 113864542B CN 202111171964 A CN202111171964 A CN 202111171964A CN 113864542 B CN113864542 B CN 113864542B
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 23
- 239000010935 stainless steel Substances 0.000 title claims abstract description 23
- 238000005260 corrosion Methods 0.000 title claims description 16
- 230000007797 corrosion Effects 0.000 title claims description 13
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 42
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 15
- 230000006978 adaptation Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
- F16L15/008—Screw-threaded joints; Forms of screw-threads for such joints with straight threads with sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses an anticorrosion ocean engineering stainless steel thin pipe, which comprises: the thin pipe comprises a thin pipe body, wherein a connecting thread formed by rolling is arranged in the middle of the thin pipe body, a pipe sleeve is arranged at one end, close to the connecting thread, of the thin pipe body, sealing devices are arranged on end faces of two ends of the pipe sleeve respectively, the sealing devices are detachably connected with one end of the thin pipe body through the connecting thread, a first connecting ring is sleeved on the outer wall of the pipe sleeve, the first connecting ring is fixedly connected with the pipe sleeve, a reinforcing sleeve is sleeved on the thin pipe body and abutted to the pipe sleeve, a first sealing sleeve is arranged on the inner wall of the reinforcing sleeve, the outer wall of the first sealing sleeve is abutted to the inner wall of the reinforcing sleeve, a second connecting ring is sleeved on the outer wall of the reinforcing sleeve, the second connecting ring is fixedly connected with the outer wall of the reinforcing sleeve, the first connecting ring is abutted to the second connecting ring, fixing devices are arranged outside the first connecting ring and the second connecting ring, a plurality of locking devices are arranged on the inner wall of the reinforcing sleeve at equal intervals, and the top of each locking device penetrates through the fixing devices.
Description
Technical Field
The invention relates to the field of ocean engineering, in particular to an anti-corrosion ocean engineering stainless steel thin pipe.
Background
The ocean engineering refers to new construction, reconstruction and extension engineering which aims at developing, utilizing, protecting and recovering ocean resources, and the engineering main body is positioned on one side of a coastline to the sea, wherein a submarine pipeline is a pipeline for continuously conveying a large amount of oil (gas) on the seabed through a closed pipeline, is a main component part of an offshore oil (gas) field development and production system, and is also the fastest, safest, most economical and reliable offshore oil and gas transportation mode. At present, thin-wall stainless steel pipes are connected by stainless steel pipes in the market, but the cost is relatively high, during connection, the guide part of the stainless steel pipe is short, the swinging degree of a connecting pipe is large, water leakage is possibly caused under the condition of one side deviation, and the popularization and application of the thin-wall stainless steel pipe connection are directly influenced.
Therefore, a corrosion-resistant thin stainless steel pipe for ocean engineering is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide an anti-corrosion marine engineering stainless steel thin pipe to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an anticorrosion ocean engineering stainless steel thin pipe, which comprises: the thin pipe comprises a thin pipe body, wherein connecting threads formed by rolling are arranged in the middle of the thin pipe body, a pipe sleeve is arranged at one end, close to the connecting threads, of the thin pipe body, sealing devices are arranged on end faces of two ends of the pipe sleeve, the sealing devices are detachably connected with one end of the thin pipe body through the connecting threads, a first connecting ring is sleeved on the outer wall of the pipe sleeve and fixedly connected with the pipe sleeve, a reinforcing sleeve is sleeved on the thin pipe body and abutted against the pipe sleeve, a first sealing sleeve is arranged on the inner wall of the reinforcing sleeve, the outer wall of the first sealing sleeve is abutted against the inner wall of the reinforcing sleeve, the inner wall of the first sealing sleeve is abutted against the outer wall of the thin pipe body, a second connecting ring is sleeved on the outer wall of the reinforcing sleeve and fixedly connected with the outer wall of the reinforcing sleeve, a fixing device is arranged on the outer wall of the first connecting ring and the second connecting ring, a plurality of locking devices are arranged outside the first connecting ring and the second connecting ring, a plurality of locking devices are arranged on the inner wall of the reinforcing sleeve at equal intervals, and the tops of the locking devices penetrate through the fixing devices.
Preferably, sealing device includes seal assembly, the seal groove has been seted up to the pipe box side, the seal groove sets up to the loop configuration, seal assembly sets up in the seal groove, the seal groove outer wall seted up with the thread groove of connecting thread looks adaptation, thin pipe body is close to connecting thread's one end is located in the thread groove and with the seal assembly butt, the terminal surface rigid coupling of pipe box has the plug ring, plug ring inner wall rigid coupling has the second seal cover, the plug ring with the reinforcement cover is pegged graft.
Preferably, seal assembly includes rubber seal ring, rubber seal ring with seal groove side rigid coupling, thin pipe body terminal surface with rubber seal ring butt, be close to on the seal groove outer wall connecting thread's position department rigid coupling has the third seal cover, the third seal cover with thin pipe body outer wall butt, the rigid coupling has the fourth seal cover on the seal groove inner wall, the fourth seal cover with thin pipe body inner wall butt.
Preferably, the end face of the reinforcing sleeve is provided with an insertion groove, the insertion groove is of an annular structure, the insertion groove is matched with the insertion ring, and the inner wall of the second sealing sleeve is abutted to the inner wall of the insertion groove.
Preferably, fixing device includes first solid fixed ring and the solid fixed ring of second, first solid fixed ring cover is established on the pipe sleeve, the solid fixed ring cover of second is established strengthen sheatheeing in, first solid fixed ring side seted up with the first fixed slot of first go-between looks adaptation, solid fixed ring of second go-between is last seted up with second go-between looks adaptation second fixed slot, a plurality of screw holes have been seted up to first solid fixed ring side circumference equidistant, solid fixed ring of second side seted up a plurality of with the constant head tank of screw hole looks adaptation, threaded hole is provided with the bolt, the bolt with the screw hole with the constant head tank passes through threaded connection.
Preferably, the locking device comprises a locking column, a locking groove is formed in the inner wall of the reinforcing sleeve, the locking groove is of an annular structure, a locking hole is formed in the wall of the locking groove, the locking column is arranged in the locking hole, the outer wall of the locking column is in threaded connection with the inner wall of the locking hole, a steel wire rope is arranged in the locking groove, two ends of the steel wire rope are fixedly connected with the bottom of the locking column respectively, and a locking mechanism is arranged on the top surface of the locking column.
Preferably, the locking mechanism comprises a locking rod, the second fixing ring is provided with a connecting hole matched with the locking hole, the locking rod is arranged in the connecting hole, the outer wall of the locking rod is in threaded connection with the inner wall of the connecting hole, the top surface of the locking column is provided with a stiffening groove, and the bottom of the locking rod is in threaded connection with the wall of the stiffening groove.
Preferably, the thin pipe body is made of high-strength corrosion-resistant ocean engineering stainless steel materials.
Preferably, the thickness of the thin pipe body is 0.2 mm-0.7 mm.
The invention discloses the following technical effects: the thin pipe body is arranged to improve the integral integrity of the thin pipe body by adopting the connecting threads formed by rolling, when the thin pipe body is connected with a sleeve, the connecting strength of the thin pipe body is enhanced, the stability between the thin pipe body and the sleeve is enhanced, the sealing device can enhance the sealing performance between the thin pipe body and the sleeve to form primary sealing, the reinforcing sleeve and the sleeve are connected through the fixing device to enhance the connecting performance between the reinforcing sleeve and the sleeve, the sealing distance is prolonged, the contact area between the reinforcing sleeve and the thin pipe body can be increased, the connecting strength of the connecting end of the thin pipe body is increased, the problem of poor stability of the thin pipe body due to the fact that the pipe wall of the thin pipe body is thin is solved, the first sealing sleeve is arranged to achieve secondary sealing, the locking device is arranged to hoop the first sealing sleeve tightly, the third sealing sleeve can be tightly connected with the outer wall of the thin pipe body, sealing is achieved, the connecting strength between the thin pipe body and the thin pipe body is enhanced, multistage sealing is achieved, and meanwhile the connecting strength and the stability of the connecting position of the thin pipe body are enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic view showing the structure of a pipe sleeve in example 1 of the present invention;
fig. 3 is a schematic structural view of a first retaining ring in embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of a lock cylinder in embodiment 1 of the present invention;
FIG. 5 is an enlarged view of a portion A1 in example 1 of the present invention;
FIG. 6 is an enlarged view of a portion A2 in example 1 of the present invention;
FIG. 7 is an enlarged view of a portion A3 in example 1 of the present invention;
FIG. 8 is a schematic structural view of example 2 of the present invention;
FIG. 9 is a schematic structural view of example 3 of the present invention;
FIG. 10 is a schematic view of a second multilayer annular ring in accordance with embodiment 3 of the present invention;
wherein, 1, a thin pipe body; 2. connecting threads; 3. pipe sleeve; 4. a first connecting ring; 5. a reinforcing sleeve; 6. a first seal cartridge; 7. a second connection ring; 8. a sealing groove; 9. a thread groove; 10. a plug-in ring; 11. a second seal cartridge; 12. a rubber seal ring; 13. a third seal cartridge; 14. a fourth seal sleeve; 15. a first retaining ring; 16. a second fixing ring; 17. a bolt; 18. a locking post; 19. a locking groove; 20. a wire rope; 21. a locking lever; 22. a first multi-layer annular ring; 23. a second multi-layer annular ring; 24. and (4) sealing the layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Referring to fig. 1-7, the present invention provides an anti-corrosion thin stainless steel pipe for marine engineering, comprising: the thin pipe comprises a thin pipe body 1, wherein connecting threads 2 formed by rolling are arranged in the middle of the thin pipe body 1, a pipe sleeve 3 is arranged at one end, close to the connecting threads 2, of the thin pipe body 1, sealing devices are arranged on the end faces of two ends of the pipe sleeve 3, the sealing devices are detachably connected with one end of the thin pipe body 1 through the connecting threads 2, a first connecting ring 4 is sleeved on the outer wall of the pipe sleeve 3, the first connecting ring 4 is fixedly connected with the pipe sleeve 3, a reinforcing sleeve 5 is sleeved on the thin pipe body 1, the reinforcing sleeve 5 is abutted to the pipe sleeve 3, a first sealing sleeve 6 is arranged on the inner wall of the reinforcing sleeve 5, the outer wall of the first sealing sleeve 6 is abutted to the outer wall of the thin pipe body 1, a second connecting ring 7 is sleeved on the outer wall of the reinforcing sleeve 5, the second connecting ring 7 is fixedly connected with the outer wall of the reinforcing sleeve 5, the first connecting ring 4 is abutted to the second connecting ring 7, fixing devices are sleeved outside the first connecting ring 4 and the second connecting ring 7, a plurality of locking devices are arranged at equal intervals on the inner wall of the reinforcing sleeve 5, and the top of the locking devices penetrates through the fixing devices.
The thin pipe body 1 is arranged, the integrity of the whole thin pipe body 1 is improved by adopting the connecting thread 2 formed by rolling, when the thin pipe body 1 is connected with a sleeve, the connecting strength of the thin pipe body is enhanced, the stability between the thin pipe body 1 and the sleeve 3 is enhanced, the sealing performance between the thin pipe body 1 and the sleeve 3 can be enhanced by the arranged sealing device, primary sealing is formed, the arranged reinforcing sleeve 5 and the sleeve 3 are connected through the fixing device, the connection performance between the reinforcing sleeve 5 and the sleeve 3 can be enhanced, the contact area between the thin pipe body 1 and the thin pipe body 1 can be increased while the sealing distance is prolonged, the connecting strength of the connecting end of the thin pipe body 1 is increased, the problem of poor self-stability caused by the fact that the pipe wall of the thin pipe body 1 is thin is solved, the arranged first sealing sleeve 6 achieves secondary sealing, the locking device can clamp the first sealing sleeve 6 tightly, the first sealing sleeve 6 can be tightly connected with the outer wall of the thin pipe body 1, three-stage sealing is achieved, and the connecting strength between the thin pipe body and the thin pipe body is enhanced.
Further optimization scheme, sealing device includes seal assembly, seal groove 8 has been seted up to pipe box 3 side, seal groove 8 sets up to the loop configuration, seal assembly sets up in seal groove 8, the thread groove 9 with 2 looks adaptations of connecting thread is seted up to 8 outer walls of seal groove, thin pipe body 1 is close to the one end of connecting thread 2 be located the thread groove 9 and with the seal assembly butt, the terminal surface rigid coupling of pipe box 3 has grafting ring 10, grafting ring 10 inner wall rigid coupling has second seal cover 11, grafting ring 10 pegs graft with strengthening sleeve 5.
The plug-in ring 10 and the second sealing sleeve 11 are arranged to enhance the connection strength between the reinforcing sleeve 5 and the pipe sleeve 3 and enhance the sealing performance of the connection part between the reinforcing sleeve 5 and the pipe sleeve 3.
Further optimize the scheme, seal assembly includes rubber seal ring 12, rubber seal ring 12 and 8 side rigid couplings of seal groove, 1 terminal surface of thin pipe body and the butt of rubber seal ring 12, and the position department rigid coupling that is close to connecting thread 2 on the 8 outer walls of seal groove has third seal cover 13, and third seal cover 13 and the butt of thin pipe body 1 outer wall, the rigid coupling has fourth seal cover 14 on the 8 inner walls of seal groove, fourth seal cover 14 and the butt of thin pipe body 1 inner wall.
When the thin pipe body 1 and the pipe sleeve 3 are connected, the end face of the thin pipe body 1 can gradually extrude the rubber sealing ring 12 along with the screwing of the thin pipe body 1, so that the sealing performance is enhanced, and meanwhile, the arranged third sealing sleeve 13 and the fourth sealing sleeve 14 can enhance the sealing performance between the pipe sleeve 3 and the thin pipe body 1.
According to the further optimization scheme, the end face of the reinforcing sleeve 5 is provided with an inserting groove which is of an annular structure, the inserting groove is matched with the inserting ring 10, and the inner wall of the second sealing sleeve 11 is abutted to the inner wall of the inserting groove.
Further optimization scheme, fixing device includes solid fixed ring 15 of first solid fixed ring 15 and the solid fixed ring 16 of second, solid fixed ring 15 cover is established on pipe box 3 for the first, gu fixed ring 16 cover is established on strengthening sleeve 5 for the second, first fixed ring 15 side offer with the first fixed slot of 4 looks adaptations of first go-between, gu fixed ring 16 of second is last offer with 7 looks adaptations of second go-between second fixed slots, a plurality of screw holes have been offered to the equidistant circumference of first solid fixed ring 15 side, gu fixed ring 16 side of second offers a plurality of constant head tanks with screw hole looks adaptation, threaded hole is provided with bolt 17, bolt 17 passes through threaded connection with screw hole and constant head tank.
Further optimize the scheme, locking device includes locking post 18, and 5 inner walls of reinforcement sleeve have seted up locking groove 19, and locking groove 19 sets up to annular structure, has seted up the locking hole on the 19 cell walls of locking groove, and the downthehole locking post 18 that is provided with of locking, locking post 18 outer wall pass through threaded connection with the locking hole inner wall, are provided with wire rope 20 in the locking groove 19, wire rope 20's both ends respectively with locking post 18 bottom rigid coupling, locking post 18 top surface is provided with locking mechanism.
The locking post 18 that sets up rotates, can realize the stirring to wire rope 20, makes wire rope 20 shorten in the length of locking groove 19, and then the radius diminishes, locks first seal cover 6, strengthens sealed effect, strengthens joint strength simultaneously.
Further optimize the scheme, locking mechanism includes check lock 21, sets up the connecting hole with locking hole looks adaptation on the solid fixed ring 16 of second, and check lock 21 sets up in the connecting hole, and threaded connection is passed through with the connecting hole inner wall to the outer wall of check lock 21, and stiffening groove has been seted up to locking post 18 top surface, and threaded connection is passed through with stiffening groove cell wall in the bottom of check lock 21.
The locking bar 21 is arranged to be connected to the locking post 18 through the stiffening holes to achieve clamping, and the arrangement enables the locking bar 21 to be separated when the reinforcing sleeve 5 is installed, so that scratching is avoided.
Further optimizing the scheme, the thin pipe body 1 is made of high-strength corrosion-resistant ocean engineering stainless steel materials. The high-strength corrosion-resistant ocean engineering stainless steel is austenitic stainless steel and comprises the following element components in percentage by mass: 14.0 to 19.0 percent of Mn, less than or equal to 0.45 percent of Si, 16.0 to 21.0 percent of Cr, 3.0 to 4.0 percent of Ni, 2.5 to 3.5 percent of Mo, 0.5 to 1.0 percent of N, 0.1 to 0.3 percent of V, 0.1 to 0.2 percent of Y, 0.1 to 0.4 percent of La, less than or equal to 0.04 percent of C, less than or equal to 0.01 percent of S, less than or equal to 0.02 percent of P, and the balance of Fe and inevitable impurities.
In a further optimized scheme, the thickness of the thin pipe body 1 is 0.2 mm-0.7 mm.
Example 2
Referring to fig. 8, in the present embodiment, the second sealing sleeve 11, the third sealing sleeve 13 and the fourth sealing sleeve 14 are all disposed in an inclined manner, so that the abutting strength between the thin pipe body 1 and the thin pipe body 1 can be enhanced in the process of screwing the thin pipe body 1, and the sealing performance can be enhanced.
Example 3
Referring to fig. 9-10, in the present embodiment, the insert ring 10 is configured as a first multi-layer annular ring 22, a sealing layer 24 is fixed on the side surface of the first multi-layer annular ring 22, a second multi-layer annular ring 23 is arranged on the side surface of the reinforcing sleeve 5, and the first multi-layer annular ring 22 and the second multi-layer annular ring 23 are engaged with each other. This arrangement allows the sealing layer 24 to be folded a plurality of times to enhance the sealing effect.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. An anticorrosion thin tube of ocean engineering stainless steel, comprising: the pipe comprises a thin pipe body (1), a connecting thread (2) formed by rolling is arranged in the middle of the thin pipe body (1), a pipe sleeve (3) is arranged at one end, close to the connecting thread (2), of the thin pipe body (1), sealing devices are arranged on end faces of two ends of the pipe sleeve (3), the sealing devices are detachably connected with one end of the thin pipe body (1) through the connecting thread (2), a first connecting ring (4) is sleeved on the outer wall of the pipe sleeve (3), the first connecting ring (4) is fixedly connected with the pipe sleeve (3), a reinforcing sleeve (5) is sleeved on the thin pipe body (1), the reinforcing sleeve (5) is abutted against the pipe sleeve (3), a first sealing sleeve (6) is arranged on the inner wall of the reinforcing sleeve (5), a second connecting ring (7) is sleeved on the outer wall of the reinforcing sleeve (5), the second connecting ring (7) is fixedly connected with the reinforcing sleeve (5), the first connecting ring (6) is abutted against the outer wall of the reinforcing sleeve (1), a plurality of locking devices are arranged on the outer wall of the second connecting ring (7) and a plurality of the reinforcing sleeve (4) are fixedly connected with the reinforcing sleeve (4), the top of the locking device penetrates through the fixing device;
the fixing device comprises a first fixing ring (15) and a second fixing ring (16), the first fixing ring (15) is sleeved on the pipe sleeve (3), the second fixing ring (16) is sleeved on the reinforcing sleeve (5), a first fixing groove matched with the first connecting ring (4) is formed in the side surface of the first fixing ring (15), a second fixing groove matched with the second connecting ring (7) is formed in the second fixing ring (16), a plurality of threaded holes are formed in the side surface of the first fixing ring (15) in the circumferential direction at equal intervals, a plurality of positioning grooves matched with the threaded holes are formed in the side surface of the second fixing ring (16), bolts (17) are arranged in the threaded holes, and the bolts (17) are connected with the threaded holes and the positioning grooves through threads;
the locking device comprises a locking column (18), a locking groove (19) is formed in the inner wall of the reinforcing sleeve (5), the locking groove (19) is arranged to be of an annular structure, a locking hole is formed in the groove wall of the locking groove (19), the locking column (18) is arranged in the locking hole, the outer wall of the locking column (18) is connected with the inner wall of the locking hole through threads, a steel wire rope (20) is arranged in the locking groove (19), two ends of the steel wire rope (20) are fixedly connected with the bottom of the locking column (18) respectively, and a locking mechanism is arranged on the top surface of the locking column (18).
2. The corrosion-resistant thin tube of oceanographic engineering stainless steel of claim 1, wherein: sealing device includes seal assembly, seal groove (8) have been seted up to pipe box (3) side, seal groove (8) set up to the loop configuration, seal assembly sets up in seal groove (8), seal groove (8) outer wall seted up with thread groove (9) of connecting thread (2) looks adaptation, thin pipe body (1) is close to the one end of connecting thread (2) is located in thread groove (9) and with the seal assembly butt, the terminal surface rigid coupling of pipe box (3) has plug ring (10), plug ring (10) inner wall rigid coupling has second seal cover (11), plug ring (10) with strengthen set (5) grafting.
3. A corrosion resistant thin tube of oceanographic engineering stainless steel as claimed in claim 2, wherein: seal assembly includes rubber seal ring (12), rubber seal ring (12) with seal groove (8) side rigid coupling, thin pipe body (1) terminal surface with rubber seal ring (12) butt, be close to on seal groove (8) outer wall the position department rigid coupling of connecting thread (2) has third seal cover (13), third seal cover (13) with thin pipe body (1) outer wall butt, the rigid coupling has fourth seal cover (14) on seal groove (8) inner wall, fourth seal cover (14) with thin pipe body (1) inner wall butt.
4. A corrosion resistant thin tube of oceanographic engineering stainless steel as claimed in claim 2, wherein: the end face of the reinforcing sleeve (5) is provided with an insertion groove which is of an annular structure, the insertion groove is matched with the insertion ring (10), and the inner wall of the second sealing sleeve (11) is abutted to the inner wall of the insertion groove.
5. The corrosion-resistant thin tube of oceanographic engineering stainless steel of claim 4, wherein: locking mechanism includes check lock lever (21), set up on the solid fixed ring of second (16) with the connecting hole of check lock looks adaptation, check lock lever (21) set up in the connecting hole, check lock lever (21) outer wall with the connecting hole inner wall passes through threaded connection, stiffening groove has been seted up to locking post (18) top surface, the bottom of check lock lever (21) with stiffening groove cell wall passes through threaded connection.
6. The corrosion-resistant thin tube of oceanographic engineering stainless steel of claim 1, wherein: the thin pipe body (1) is made of high-strength corrosion-resistant ocean engineering stainless steel materials.
7. The corrosion-resistant thin tube of oceanographic engineering stainless steel of claim 1, wherein: the thickness of the thin pipe body (1) is 0.2 mm-0.7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111171964.9A CN113864542B (en) | 2021-10-08 | 2021-10-08 | Corrosion-resistant ocean engineering stainless steel thin pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111171964.9A CN113864542B (en) | 2021-10-08 | 2021-10-08 | Corrosion-resistant ocean engineering stainless steel thin pipe |
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| Publication Number | Publication Date |
|---|---|
| CN113864542A CN113864542A (en) | 2021-12-31 |
| CN113864542B true CN113864542B (en) | 2023-03-24 |
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| CN202111171964.9A Active CN113864542B (en) | 2021-10-08 | 2021-10-08 | Corrosion-resistant ocean engineering stainless steel thin pipe |
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| KR102073408B1 (en) * | 2019-08-06 | 2020-02-04 | (주)건축사사무소테크뱅크 | Cap for electric, communication and fire fighting pipe |
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