CN210424029U - High-strength anti-bending seamless steel pipe - Google Patents
High-strength anti-bending seamless steel pipe Download PDFInfo
- Publication number
- CN210424029U CN210424029U CN201920716982.2U CN201920716982U CN210424029U CN 210424029 U CN210424029 U CN 210424029U CN 201920716982 U CN201920716982 U CN 201920716982U CN 210424029 U CN210424029 U CN 210424029U
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- steel pipe
- pipe body
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- bending
- seamless steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 70
- 239000010959 steel Substances 0.000 title claims abstract description 70
- 238000005452 bending Methods 0.000 title claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 62
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 9
- 239000004593 Epoxy Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract 4
- 239000010410 layer Substances 0.000 description 36
- 239000002585 base Substances 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 10
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 239000003351 stiffener Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
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- 239000011247 coating layer Substances 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000005121 nitriding Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high strength anti-bending seamless steel pipe, including the steel pipe body, the inboard of steel pipe body is equipped with the reinforced pipe, and the reinforced pipe includes interior parent tube, triangle reinforcement frame and supports the inner prop, supports the inner prop and is located the triangle reinforcement frame, is equipped with the gusset between triangle reinforcement frame and the support inner prop, is equipped with the reinforcing plate between the corner of triangle reinforcement frame and the interior parent tube. The utility model discloses novel structure, intensity is high, and anti bending performance is strong, long service life.
Description
Technical Field
The utility model belongs to the technical field of seamless steel pipe, especially, relate to a high strength bending resistance seamless steel pipe.
Background
The seamless steel pipe is a long steel product with hollow cross section and no seam around, is a steel pipe which is resistant to the corrosion of weak corrosive media such as air, steam and water and chemical corrosive media such as acid, alkali and salt, can be used as a pipeline for conveying fluid, such as pipelines for conveying petroleum, natural gas, coal gas, water and certain solid materials, and can also be used for manufacturing structural parts and mechanical parts, and has wide application fields.
The seamless steel pipe in the prior art has the following defects in the using process: low structural strength, poor load-resisting capability, easy bending and deformation under pressure and impact and short service life.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solves the above-mentioned technical problem that exists among the prior art, provides a high strength bending seamless steel pipe, novel structure, intensity is high, and bending resistance can be strong, long service life.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a high strength bending resistance seamless steel pipe, includes the steel pipe body, its characterized in that: the inner side of the steel pipe body is provided with a reinforcing pipe, the reinforcing pipe comprises an inner base pipe, a triangular reinforcing frame and a supporting inner column, the supporting inner column is positioned in the triangular reinforcing frame, a reinforcing plate is arranged between the triangular reinforcing frame and the supporting inner column, and a reinforcing plate is arranged between the corner of the triangular reinforcing frame and the inner base pipe; the seamless steel pipe has the advantages of novel structure, high strength, strong bending resistance and long service life.
Further, be equipped with the bearing plate between triangle reinforcing frame and the interior base pipe, increased the area of contact between triangle reinforcing frame and the interior base pipe, joint strength is higher, and when interior base pipe pressurized, through the stress that the bearing plate absorbed, dispersed to triangle reinforcing frame transmission, the effort that reduces triangle reinforcing frame and receive, on the other hand triangle reinforcing frame supports through the bearing plate gives interior base pipe inner wall, resists it and takes place deformation, is difficult for being bent.
Further, be equipped with arc resistance to compression board between bearing plate and the reinforcing plate, arc resistance to compression board plays support, the reinforcing action to bearing plate and reinforcing plate, absorbs on the one hand, disperses the extrusion force that bearing plate and reinforcing plate received, and on the other hand resists bearing plate and reinforcing plate and takes place deformation to keep bearing plate and reinforcing plate stable in structure, it is more durable.
Furthermore, the outer side of the steel pipe body is provided with a duplex stainless steel layer, and the duplex stainless steel layer has good corrosion fatigue resistance, wear corrosion resistance, higher strength and fatigue strength, so that the overall structural strength is improved, and the service life is prolonged.
Further, be equipped with thermal-insulated cotton layer between duplex stainless steel layer and the steel pipe body, thermal-insulated cotton layer has better heat-proof quality, therefore outside high temperature hardly sees through the inward transmission of thermal-insulated cotton layer, reduces the influence to this internal material of steel pipe.
Furthermore, the outer side of the duplex stainless steel layer is provided with the wear-resistant layer, so that the duplex stainless steel layer is protected, the wear resistance of the duplex stainless steel layer is improved, the duplex stainless steel layer is not easy to wear, and the service life is longer.
Further, the inner wall of steel pipe body is equipped with epoxy asphalt anticorrosive coating layer, if this internal flow of steel pipe is corrosive liquid, then can not cause the damage to the inner wall of steel pipe body, can not corrode steel pipe body inner wall, has improved the suitability, and epoxy asphalt anticorrosive coating has the characteristics that adhesive force is good and the film is tough and tensile, therefore epoxy asphalt anticorrosive coating layer can be attached to on steel pipe body inner wall all the time, protects the steel pipe body.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
the utility model discloses the inboard of well steel pipe body is equipped with the reinforced pipe, improve the structural strength of steel pipe body through the reinforced pipe, resistance to compression and anti deformability, when the steel pipe body is compressed, interior base pipe receives the pressure of steel pipe body transmission, with the power transmission for triangle reinforcing frame through the reinforcing plate, the triangle reinforcing frame is for supporting the inner prop through the power transmission of gusset with the power, absorb by supporting the inner prop, the dispersion, in transmission process, progressively absorb, the dispersion extrusion force, thereby weaken the compression degree of steel pipe body, support the inner prop and give triangle reinforcing frame inner wall support through the gusset, resist it and take place deformation, be difficult for being bent, the triangle reinforcing frame gives the inner wall support of interior base pipe through the reinforcing plate, resist its compression, be difficult for being bent, borrow the power layer upon layer, thereby improve the structural strength and the compressive capacity of steel pipe body, avoid steel pipe body to take place deformation after being compressed, Even in case of fracture, the service life is longer. The utility model discloses novel structure, intensity is high, and anti bending performance is strong, long service life.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a high-strength anti-bending seamless steel tube of the present invention;
FIG. 2 is a schematic structural view of the reinforcing pipe of the present invention;
fig. 3 is a schematic structural view of the middle triangular reinforcing frame and the inner supporting column of the present invention.
In the figure: 1-a steel pipe body; 2-a nitriding layer; 3-a multilayer vapour deposition layer; 4-reinforcing the pipe; 5-inner base tube; 6-triangular reinforcing frames; 7-supporting the inner column; 8-stiffened plate; 9-a reinforcing plate; 10-a pressure bearing plate; 11-arc-shaped pressure-resistant plate; 12-duplex stainless steel layer; 13-heat insulation cotton layer.
Detailed Description
As shown in fig. 1 to 3, for the utility model relates to a high strength bending seamless steel pipe, including steel pipe body 1, steel pipe body 1's the outside is equipped with duplex stainless steel layer 12, and duplex stainless steel layer 12 has good corrosion fatigue resistance, wearing and tearing corrosion behavior, higher intensity and fatigue strength, has improved holistic structural strength, has prolonged life. The outer side of the duplex stainless steel layer 12 is provided with the wear-resistant layer, so that the duplex stainless steel layer 12 is protected, the wear resistance of the duplex stainless steel layer 12 is improved, the duplex stainless steel layer is not easy to wear, and the service life is longer. The wearing layer includes nitriding layer 2 and multilayer vapor deposition layer 3, and multilayer vapor deposition layer 3 locates nitriding layer 2's the outside, effectively improves seamless steel pipe's surface hardness and wearability, and life is longer. Be equipped with thermal-insulated cotton layer 13 between duplex stainless steel layer 12 and the steel pipe body 1, thermal-insulated cotton layer 13 comprises pure aluminium foil and obturator foam, and thermal-insulated cotton layer 13 has better heat-proof, therefore outside high temperature hardly sees through thermal-insulated cotton layer 13 inward transmission, reduces the influence to the interior material of steel pipe body 1.
The inner wall of steel pipe body 1 is equipped with the epoxy pitch anticorrosive coating layer, if the steel pipe body 1 internal flow be corrosive liquid, then can not cause the damage to the inner wall of steel pipe body 1, can not corrode steel pipe body 1 inner wall, improved the suitability, and epoxy pitch anticorrosive coating has the good and tough characteristics of paint film of adhesive force, so epoxy pitch anticorrosive coating layer can be attached to on steel pipe body 1 inner wall all the time, protects steel pipe body 1.
The inboard of steel pipe body 1 is equipped with reinforced pipe 4, reinforced pipe 4 includes interior parent tube 5, post 7 in triangle stiffener 6 and the support, support interior post 7 and be located triangle stiffener 6, be equipped with gusset 8 between triangle stiffener 6 and the support interior post 7, be equipped with reinforcing plate 9 between the corner of triangle stiffener 6 and the interior parent tube 5, closely link to each other layer upon layer, be difficult to the separation, structural strength is high, the cross-section of triangle stiffener 6 is equilateral triangle, triangle stiffener 6 is based on triangle's stability, structural stability is good, high strength, can evenly give steel pipe body 1 inner wall support, be difficult for being bent. Interior parent tube 5 transmits the pressure of steel pipe body 1 for triangle reinforcing frame 6 through reinforcing plate 9, and triangle reinforcing frame 6 transmits the effect of power for supporting inner column 7 through gusset 8, in the transmission process, progressively absorbs, homodisperse extrusion force to weaken steel pipe body 1's pressurized degree, prevent its pressurized deformation.
Be equipped with bearing plate 10 between triangle reinforcing frame 6 and the interior base pipe 5, increased the area of contact between triangle reinforcing frame 6 and the interior base pipe 5, joint strength is higher, when interior base pipe 5 pressurized, through bearing plate 10 absorption, the stress of dispersion to triangle reinforcing frame 6 transmission, reduce the effort that triangle reinforcing frame 6 received, on the other hand triangle reinforcing frame 6 gives interior base pipe 5 inner wall through bearing plate 10 and supports, it takes place deformation to resist it, difficult quilt is bent. Be equipped with arc resistance to compression board 11 between bearing plate 10 and the reinforcing plate 9, arc resistance to compression board 11 plays support, the reinforcing action to bearing plate 10 and reinforcing plate 9, absorbs on the one hand, disperses the extrusion force that bearing plate 10 and reinforcing plate 9 received, and on the other hand resists bearing plate 10 and reinforcing plate 9 and takes place deformation to keep bearing plate 10 and reinforcing plate 9 stable in structure, it is more durable.
In the utility model, the inner side of the steel pipe body 1 is provided with the reinforcing pipe 4, the structural strength, the compression resistance and the deformation resistance of the steel pipe body 1 are improved through the reinforcing pipe 4, when the steel pipe body 1 is compressed, the inner base pipe 5 is subjected to the pressure transmitted by the steel pipe body 1, the force is transmitted to the triangular reinforcing frame 6 through the reinforcing plate 9, the triangular reinforcing frame 6 transmits the force to the supporting inner column 7 through the reinforcing plate 8, the force is absorbed and dispersed by the supporting inner column 7, in the transmission process, the extrusion force is gradually absorbed and dispersed, thereby the compression degree of the steel pipe body 1 is weakened, the supporting inner column 7 supports the inner wall of the triangular reinforcing frame 6 through the reinforcing plate 8, the deformation is resisted, the steel pipe is not easy to be bent, the triangular reinforcing frame 6 supports the inner wall of the inner base pipe 5 through the reinforcing plate 9, the compression force is resisted, the steel pipe is not easy to be bent, the, avoid the steel pipe body 1 to take place the condition of deformation, fracture even after the pressurized, life is longer. The utility model discloses novel structure, intensity is high, and anti bending performance is strong, long service life.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (7)
1. The utility model provides a high strength bending resistance seamless steel pipe, includes the steel pipe body, its characterized in that: the steel pipe body's inboard is equipped with the reinforced pipe, the reinforced pipe includes interior parent tube, triangle reinforcing frame and supports interior post, it is located to support the interior post the triangle reinforcing frame, the triangle reinforcing frame with be equipped with the gusset between the support interior post, the corner of triangle reinforcing frame with be equipped with the reinforcing plate between the interior parent tube.
2. The high-strength anti-bending seamless steel tube according to claim 1, characterized in that: and a bearing plate is arranged between the triangular reinforcing frame and the inner base pipe.
3. The high-strength anti-bending seamless steel pipe according to claim 2, characterized in that: an arc-shaped pressure-resistant plate is arranged between the pressure-bearing plate and the reinforcing plate.
4. The high-strength anti-bending seamless steel tube according to claim 1, characterized in that: and a duplex stainless steel layer is arranged on the outer side of the steel pipe body.
5. The high-strength anti-bending seamless steel tube according to claim 4, characterized in that: and a heat insulation cotton layer is arranged between the duplex stainless steel layer and the steel pipe body.
6. The high-strength anti-bending seamless steel tube according to claim 4, characterized in that: and the outer side of the duplex stainless steel layer is provided with a wear-resistant layer.
7. The high-strength anti-bending seamless steel tube according to claim 1, characterized in that: the inner wall of steel pipe body is equipped with epoxy pitch anticorrosive paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716982.2U CN210424029U (en) | 2019-05-17 | 2019-05-17 | High-strength anti-bending seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716982.2U CN210424029U (en) | 2019-05-17 | 2019-05-17 | High-strength anti-bending seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210424029U true CN210424029U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920716982.2U Expired - Fee Related CN210424029U (en) | 2019-05-17 | 2019-05-17 | High-strength anti-bending seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210424029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936915A (en) * | 2021-04-13 | 2021-06-11 | 中国铁塔股份有限公司黑龙江省分公司 | Reinforced composite material processing system |
| CN113339598A (en) * | 2021-06-04 | 2021-09-03 | 舟山长宏国际船舶修造有限公司 | Novel outboard pipe |
-
2019
- 2019-05-17 CN CN201920716982.2U patent/CN210424029U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936915A (en) * | 2021-04-13 | 2021-06-11 | 中国铁塔股份有限公司黑龙江省分公司 | Reinforced composite material processing system |
| CN112936915B (en) * | 2021-04-13 | 2021-09-03 | 中国铁塔股份有限公司黑龙江省分公司 | Reinforced composite material processing system |
| CN113339598A (en) * | 2021-06-04 | 2021-09-03 | 舟山长宏国际船舶修造有限公司 | Novel outboard pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |