CN217815441U - High-strength seamless steel pipe - Google Patents
High-strength seamless steel pipe Download PDFInfo
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- CN217815441U CN217815441U CN202220989432.XU CN202220989432U CN217815441U CN 217815441 U CN217815441 U CN 217815441U CN 202220989432 U CN202220989432 U CN 202220989432U CN 217815441 U CN217815441 U CN 217815441U
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Abstract
The utility model discloses a high strength seamless steel pipe belongs to seamless steel pipe technical field, and it includes first steel pipe body and second steel pipe body, be provided with the cavity structure between first steel pipe body and the second steel pipe body, the opposite face of first steel pipe body and second steel pipe body all is provided with a plurality of spacing lugs, inside and outside both sides the opposite face of spacing lug respectively with the both sides face fixed connection of carriage. This high strength seamless steel pipe, through setting up the carriage, strengthen the support, first steel pipe body and second steel pipe body, and the hexagon structure of carriage self makes its stability better, strengthen the support simultaneously and connect between to adjacent carriage, impact dispersion to other carriage departments that will correspond the carriage and receive, the realization bears holistic impact dispersion, can cushion the impact smoothly when guaranteeing whole bearing capacity, strengthen the support simultaneously and guarantee the stability between a plurality of carriages is whole, make the shock resistance and the shock resistance of this device better.
Description
Technical Field
The utility model belongs to the technical field of seamless steel pipe, specifically be a high strength seamless steel pipe.
Background
The seamless steel pipe is a steel pipe which is formed by punching a whole round steel, and has no welding line on the surface, and is called as a seamless steel pipe. The seamless steel pipe may be a hot-rolled seamless steel pipe, a cold-drawn seamless steel pipe, an extruded seamless steel pipe, a pipe-jacking, or the like, depending on the production method. The seamless steel pipe is divided into a round shape and a special shape according to the shape of a section, and the special-shaped pipe has various complex shapes such as a square shape, an oval shape, a triangular shape, a hexagonal shape, a melon seed shape, a star shape and a pipe with fins. The maximum diameter is up to 900mm and the minimum diameter is 4mm. Depending on the application, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes. The seamless steel pipe is mainly used as a petroleum geology drill pipe, a cracking pipe, a boiler pipe and a bearing pipe for petrochemical industry, and a high-precision structural steel pipe for automobiles, tractors and aviation.
The production process of the common seamless steel pipe can be divided into cold drawing and hot rolling, the production flow of the cold-rolled seamless steel pipe is generally more complicated than that of the hot rolling, the pipe blank is firstly subjected to three-roll continuous rolling, sizing test is carried out after extrusion, and if no response crack exists on the surface, the circular pipe is cut by a cutting machine and is cut into a blank with the length of about one meter. And then entering an annealing process, wherein the annealing process is carried out by acid washing with an acidic liquid, whether a large amount of bubbles are generated on the surface or not is noticed during the acid washing, and if the large amount of bubbles are generated, the quality of the steel pipe cannot meet the corresponding standard. The appearance of the cold-rolled seamless steel pipe is shorter than that of the hot-rolled seamless steel pipe, the wall thickness of the cold-rolled seamless steel pipe is generally smaller than that of the hot-rolled seamless steel pipe, but the surface of the cold-rolled seamless steel pipe is brighter than that of the thick-wall seamless steel pipe, the surface of the cold-rolled seamless steel pipe is not too rough, and the caliber of the cold-rolled seamless steel pipe is not too much burr.
The seamless steel pipe is mainly used as a petroleum geology drill pipe, a cracking pipe, a boiler pipe and a bearing pipe for petrochemical industry, and a high-precision structural steel pipe for automobiles, tractors and aviation.
The self impact resistance and vibration resistance of the seamless steel pipe are not ideal enough, internal cracks can occur due to stress concentration on the surface of the steel pipe when the seamless steel pipe is shocked or impacted, and even end connection can be affected due to the shock of the steel pipe, so that the problem needs to be solved by the high-strength seamless steel pipe.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art's above-mentioned defect, the utility model provides a high strength seamless steel pipe has solved the impact resistance and the anti-vibration performance of seamless steel pipe self ideal inadequately, probably appears steel pipe surface stress concentration and leads to appearing inside crack when meeting vibrations or assaulting, probably appears the steel pipe vibrations even and leads to the problem that the end connection influence appears.
(II) technical scheme
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high strength seamless steel pipe, includes first steel pipe body and second steel pipe body, be provided with the cavity structure between first steel pipe body and the second steel pipe body, the opposite face of first steel pipe body and second steel pipe body all is provided with a plurality of spacing lugs, inside and outside both sides the opposite face of spacing lug respectively with the both sides face fixed connection of carriage, a plurality of the opposite face of carriage runs through and is provided with the enhancement support, the surface of first steel pipe body is provided with wear-resistant coating, the inner wall of second steel pipe body is provided with the heat preservation.
As a further aspect of the present invention: the inner wall of the heat preservation layer is provided with an anti-corrosion layer, and the reinforcing support is annular.
As a further aspect of the present invention: the carriage sets up to the hexagon, six interior angles of carriage all set up to one hundred twenty degrees.
As a further aspect of the present invention: the limiting convex blocks are arranged to be of a trapezoid structure, and the limiting convex blocks are arranged in an equidistant circumference mode.
As a further aspect of the present invention: the vacuum environment is arranged in the cavity structure, the surface of the limiting lug is provided with a groove, and the position of the groove corresponds to the position of the supporting frame.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. this high strength seamless steel pipe, through setting up the carriage, strengthen the support, first steel pipe body and second steel pipe body, first steel pipe body receives to strike can constantly extrude the carriage, realize the compressive deformation of carriage self, and the hexagon structure of carriage self makes its stability better, strengthen simultaneously the support and connect between to adjacent carriage, impact dispersion to other carriage departments that will correspond the carriage and receive, the realization bears holistic impact dispersion, can cushion the impact smoothly when guaranteeing whole bearing capacity, strengthen simultaneously the support and guarantee the stability between a plurality of carriages is whole, make the shock resistance and the shock-absorbing capacity of this device better.
2. This seamless steel pipe of high strength, through setting up spacing lug, and cavity structure is inside to be established to vacuum environment, guarantees that cavity structure is inside to be difficult for getting into moisture or debris and the corruption condition appears, and spacing lug guarantees the carriage and strengthens the stable placing of support simultaneously, avoids the carriage to appear random rotation condition, makes holistic use more stable smooth.
3. This seamless steel pipe of high strength, through setting up wear-resistant coating, heat preservation and anti-corrosion coating, wear-resistant coating guarantees that the wear resistance in the holistic outside of this device is more ideal, and heat preservation and vacuous cavity structure make the holistic thermal insulation performance of this device more ideal, and anti-corrosion coating blocks the corruption of second steel body to the liquid of this device inside simultaneously, guarantees holistic life, thermal insulation performance and intensity of this device at a certain degree.
Drawings
Fig. 1 is a schematic three-dimensional structure of the present invention;
fig. 2 is a schematic view of a three-dimensional sectional structure of the present invention;
FIG. 3 is an enlarged schematic view of part A of the present invention;
in the figure: 1. a first steel pipe body; 2. a second steel pipe body; 3. a cavity structure; 4. a limiting bump; 5. a support frame; 6. a reinforcing bracket; 7. a heat-insulating layer; 8. an anti-corrosion layer; 9. and (3) wear-resistant coating.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a high strength seamless steel pipe, including first steel body 1 and second steel body 2, be provided with cavity structure 3 between first steel body 1 and the second steel body 2, through setting up cavity structure 3, cavity structure 3 is used for placing carriage 5 and enhancement support 6, carriage 5 can warp in cavity structure 3, realize warping the buffering protection to first steel body 1, the opposite face of first steel body 1 and second steel body 2 all is provided with a plurality of spacing lugs 4, the opposite face of the spacing lug 4 of inside and outside both sides respectively with carriage 5's both sides face fixed connection, the opposite face of a plurality of carriages 5 runs through and is provided with enhancement support 6, the surface of first steel body 1 is provided with wear-resistant coating 9, through setting up wear-resistant coating 9, wear-resistant coating 9 shelters from the surface of first steel body 1, increase the wear resistance of the surface of first steel body 1, make the holistic wear resistance of this device obtain improving, the inner wall of second steel body 2 is provided with heat preservation 7, through setting up heat preservation 7, the internal and external environment of this device is separated, make the holistic wear resistance of this device more ideal, avoid the heat preservation to influence to carry the liquid internal temperature to the condition to the inside to appear simultaneously, reduce the heat transport condition.
Specifically, as shown in fig. 2, the inner wall of the heat preservation layer 7 is provided with an anti-corrosion layer 8, the reinforcing support 6 is arranged in an annular shape, the anti-corrosion layer 8 is arranged between the second steel pipe body 2 and the conveyed liquid, the corrosion of the second steel pipe body 2 caused by impurities in the liquid or the liquid is avoided, the reinforcing support 6 is arranged in an annular shape by the arrangement, the plurality of support frames 5 arranged in the annular shape are connected, the situation that the plurality of support frames 5 are rocked or easily rotated is ensured, and the stability of the support frames 5 is ensured.
Specifically, as shown in fig. 3, the support frame 5 sets up to the hexagon, and six interior angles of support frame 5 all set up to one hundred twenty degrees, are the hexagon through setting up support frame 5, and regular hexagon's support frame 5 self stability can be more ideal, can realize the dispersion to impact force when receiving the impact, guarantees the buffering stability ability when first steel pipe body 1 receives the impact.
Specifically, as shown in fig. 2 and 3, the limit bumps 4 are arranged in a trapezoidal structure, the limit bumps 4 are arranged in an equidistant circumference manner, the limit bumps 4 are arranged in a trapezoidal structure, the limit bumps 4 play a limiting role in the supporting frame 5, the supporting frame 5 and the reinforcing support 6 are prevented from rotating or shifting inside the cavity structure 3, and the supporting frame 5 and the reinforcing support 6 are ensured to stably support the device.
Specifically, as shown in fig. 3, the cavity structure 3 is internally provided with a vacuum environment, and the cavity structure 3 is internally provided with a vacuum, so that moisture or other impurities are not easy to enter between the first steel pipe body 1 and the second steel pipe body 2, the probability of corrosion of the opposite surfaces of the first steel pipe body 1 and the second steel pipe body 2 is reduced, meanwhile, the heat preservation performance of the vacuum environment is more ideal, the heat preservation effect of the device is enhanced, the surface of the limiting bump 4 is provided with a groove, and the position of the groove corresponds to the position of the supporting frame 5.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a seamless steel pipe of high strength, includes first steel pipe body (1) and second steel pipe body (2), its characterized in that: be provided with cavity structure (3) between first steel pipe body (1) and second steel pipe body (2), the opposite face of first steel pipe body (1) and second steel pipe body (2) all is provided with a plurality of spacing lug (4), inside and outside both sides the opposite face of spacing lug (4) respectively with the both sides face fixed connection of carriage (5), it is a plurality of the opposite face of carriage (5) runs through and is provided with and strengthens support (6), the surface of first steel pipe body (1) is provided with wear-resistant coating (9), the inner wall of second steel pipe body (2) is provided with heat preservation (7).
2. The high-strength seamless steel pipe according to claim 1, characterized in that: the inner wall of the heat-insulating layer (7) is provided with an anti-corrosion layer (8), and the reinforcing bracket (6) is annular.
3. The high-strength seamless steel pipe according to claim 1, characterized in that: the supporting frame (5) is hexagonal, and six interior angles of the supporting frame (5) are all set to be one hundred twenty degrees.
4. The high-strength seamless steel pipe according to claim 1, characterized in that: the limiting convex blocks (4) are arranged to be of a trapezoid structure, and the limiting convex blocks (4) are arranged in an equidistant circumference mode.
5. The high-strength seamless steel pipe according to claim 1, characterized in that: the vacuum environment is arranged in the cavity structure (3), a groove is arranged on the surface of the limiting bump (4), and the position of the groove corresponds to the position of the supporting frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220989432.XU CN217815441U (en) | 2022-04-26 | 2022-04-26 | High-strength seamless steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220989432.XU CN217815441U (en) | 2022-04-26 | 2022-04-26 | High-strength seamless steel pipe |
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| Publication Number | Publication Date |
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| CN217815441U true CN217815441U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220989432.XU Active CN217815441U (en) | 2022-04-26 | 2022-04-26 | High-strength seamless steel pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116069085A (en) * | 2023-03-06 | 2023-05-05 | 杭州芯云半导体技术有限公司 | Temperature control device and method for centralized cooling of multiple groups of semiconductor test equipment |
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2022
- 2022-04-26 CN CN202220989432.XU patent/CN217815441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116069085A (en) * | 2023-03-06 | 2023-05-05 | 杭州芯云半导体技术有限公司 | Temperature control device and method for centralized cooling of multiple groups of semiconductor test equipment |
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