CN214699796U - Heat-insulating anticorrosive steel pipe - Google Patents
Heat-insulating anticorrosive steel pipe Download PDFInfo
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- CN214699796U CN214699796U CN202120654116.2U CN202120654116U CN214699796U CN 214699796 U CN214699796 U CN 214699796U CN 202120654116 U CN202120654116 U CN 202120654116U CN 214699796 U CN214699796 U CN 214699796U
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Abstract
The utility model discloses a heat preservation anticorrosion steel pipe, including utilizing heat preservation mechanism to carry out heat retaining steel pipe main part, steel pipe main part circumference outer wall spraying has resin coating, resin coating circumference outer wall spraying has the polyurethane layer, polyurethane layer circumference outer wall parcel has the heat preservation sponge layer, heat preservation mechanism is including fitting with a contraceptive ring and lower ring, it all has the screw rod through threaded connection to fit with a contraceptive ring top outer wall and lower ring bottom outer wall, screw rod bottom outer wall rotates through the bearing and is connected with U type frame, U type frame top outer wall has two guide posts through the screw fixation, U type frame both sides inner wall rotates and is connected with same positive and negative threaded rod. The utility model discloses a be provided with resin coating and polyurethane layer and can improve the holistic anticorrosive effect of steel pipe main part, reduce the corrosion phenomenon on steel pipe main part surface, can effectively keep warm to the steel pipe main part through wrapping up the heat preservation sponge layer at steel pipe main part circumference outer wall.
Description
Technical Field
The utility model relates to a steel pipe technical field especially relates to an anticorrosive steel pipe keeps warm.
Background
In the prior art, long-distance resource transportation by using metal pipelines is a common means adopted in industry at the present stage, such as oil exploitation, natural gas transportation, heat supply transportation, water supply transportation and the like, and in the transportation process, due to various external factors, the corrosion resistance and the heat preservation of the pipeline surface are low, so that a steel pipe needs to be designed to improve the corrosion resistance and the heat preservation.
Through the retrieval, chinese patent application number is CN 201820458814.3's patent, discloses an anticorrosive steel pipe with insulation construction, including steel pipe body, a plurality of heat preservation frame and a plurality of connecting box, heat preservation frame and connecting box all are located the outside of steel pipe body, swing joint between heat preservation frame and the connecting box, first spout has all been seted up to the both sides of steel pipe body, the both ends of heat preservation frame all are fixed with the fixed block, and one side of fixed block has seted up the through-hole, one side of connecting box is fixed with the slider, and the one end of slider extends to the inside of first spout, the inside of connecting box is rotated and is connected with the screw rod, the outside of screw rod is rotated and is connected with two movable blocks, two the spread groove has all been seted up to the one side of keeping away from each other of movable block, the fixed block is identical with the spread groove.
One of the above patents is that the corrosion-resistant steel pipe with a heat insulation structure has the following disadvantages: in the process of heat preservation of the steel pipe, the heat preservation frame can only play a good heat preservation role for the steel pipe with a specific pipe diameter, and the steel pipe with a larger pipe diameter or a smaller pipe diameter can not be effectively preserved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the in-process that exists carrying out heat preservation to the steel pipe among the prior art, the heat preservation frame can only play better heat preservation effect to the steel pipe of specific pipe diameter, can't carry out effectual heat retaining shortcoming to the steel pipe of great pipe diameter or less pipe diameter, and the anticorrosive steel pipe that keeps warm that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a heat preservation anticorrosive steel pipe, includes the steel pipe main part that utilizes heat preservation mechanism to carry out heat preservation, steel pipe main part circumference outer wall spraying has resin coating, resin coating circumference outer wall spraying has the polyurethane layer, polyurethane layer circumference outer wall parcel has the heat preservation sponge layer, heat preservation mechanism is including fitting with a contraceptive ring and lower ring, it all has the screw rod through threaded connection to fit with a contraceptive ring top outer wall and lower ring bottom outer wall, screw rod bottom outer wall rotates through the bearing and is connected with U type frame, U type frame top outer wall has two guide posts through the screw fixation, U type frame both sides inner wall rotates and is connected with same positive reverse threaded rod, U type frame both sides inner wall has two slip posts, two through the screw fixation slip post circumference outer wall sliding connection has two supports, two the support inner wall all rotates and is connected with the sponge roller.
As a further aspect of the present invention: the outer walls of two sides of the U-shaped frame are both fixed with connecting frames through bolts, and the outer wall of the top of each connecting frame is connected with a pressing rod in a sliding mode.
As a further aspect of the present invention: the circumference outer wall of the pressure lever is connected with a spring in a sliding way.
As a further aspect of the present invention: and two ends of the spring are respectively clamped on the inner wall of the top of the pressing rod and the outer wall of the top of the connecting frame.
As a further aspect of the present invention: and an arc-shaped pressing plate is fixed on the outer wall of the bottom of the pressing rod through a bolt.
As a further aspect of the present invention: the upper ring and the lower ring are connected through two threaded fasteners.
As a further aspect of the present invention: the outer wall of the circumference of the threaded fastener is connected with a fastening nut through threads.
Compared with the prior art, the utility model provides a heat preservation anticorrosive steel pipe possesses following beneficial effect:
1. can improve the holistic anticorrosive effect of steel pipe main part through being provided with resin coating and polyurethane layer, reduce the corrosion phenomenon on steel pipe main part surface, can effectively keep warm to the steel pipe main part through wrapping up the heat preservation sponge layer at steel pipe main part circumference outer wall, make the sponge roller reciprocate under the direction of guide post through rotating the screw rod, thereby can adjust two sponge rollers on fitting with a contraceptive ring and two distances between the sponge roller on the lower ring, thereby can make four sponge rollers extrude heat preservation sponge layer surface fixed, thereby can effectively avoid heat preservation sponge layer to take place to drop, the sponge roller adopts the sponge material to protect heat preservation sponge layer surface simultaneously, thereby improve the life on heat preservation sponge layer.
2. Can make between two sponge rollers along opposite direction remove through rotating positive and negative threaded rod to can adjust the distance between two sponge rollers, thereby can make the sponge roller can fasten the steel pipe main part of different pipe diameters better.
3. The heat preservation sponge layer can be compressed at two ends of the heat preservation sponge layer in the process of moving downwards through the arc-shaped pressing plate, so that the heat preservation sponge layer can be better subjected to heat preservation operation on the steel pipe main body, the arc-shaped pressing plate can be buffered through the spring, and the heat preservation sponge layer can be protected.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of an overall installation structure of a heat-insulating anticorrosive steel pipe provided by the present invention;
FIG. 2 is a schematic view of the whole steel pipe main body of the heat-insulating anticorrosive steel pipe provided by the present invention;
FIG. 3 is a schematic view of the overall structure of a heat-insulating mechanism of a heat-insulating anticorrosive steel pipe according to the present invention;
FIG. 4 is a schematic structural view of a heat-insulating ring assembly of a heat-insulating anticorrosive steel pipe provided by the present invention;
fig. 5 is the utility model provides a heat preservation subassembly local structure schematic diagram of anticorrosive steel pipe keeps warm.
In the figure: the steel pipe comprises a steel pipe main body 1, a resin coating 2, a polyurethane layer 3, an upper ring 4, a threaded fastener 5, a heat-preservation sponge layer 6, a sponge roller 7, a guide column 8, a spring 9, a support 10, an arc-shaped pressing plate 11, a fastening nut 12, a lower ring 13, a screw rod 14, a U-shaped frame 15, a positive and negative threaded rod 16, a sliding column 17, a connecting frame 18 and a pressing rod 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
A heat-insulating anti-corrosion steel pipe comprises a steel pipe main body 1 for heat insulation by using a heat-insulating mechanism, wherein a resin coating 2 is sprayed on the circumferential outer wall of the steel pipe main body 1, a polyurethane layer 3 is sprayed on the circumferential outer wall of the resin coating 2, a heat-insulating sponge layer 6 is wrapped on the circumferential outer wall of the polyurethane layer 3, the heat-insulating mechanism comprises an upper ring 4 and a lower ring 13, the outer walls of the top of the upper ring 4 and the bottom of the lower ring 13 are both connected with a screw 14 through threads, the outer wall of the bottom of the screw 14 is rotatably connected with a U-shaped frame 15 through a bearing, the outer wall of the top of the U-shaped frame 15 is fixedly provided with two guide columns 8 through screws, the inner walls of two sides of the U-shaped frame 15 are rotatably connected with the same forward and reverse threaded rod 16, the inner walls of the two sides of the U-shaped frame 15 are fixedly provided with two sliding columns 17 through screws, and the outer walls of the two sliding columns 17 are slidably connected with two supports 10, the inner walls of the two brackets 10 are rotatably connected with sponge rollers 7; the resin coating 2 and the polyurethane layer 3 are arranged to improve the overall corrosion resistance of the steel pipe main body 1 and reduce the corrosion phenomenon on the surface of the steel pipe main body 1, the heat preservation sponge layer 6 is wrapped on the outer wall of the circumference of the steel pipe main body 1 to effectively preserve heat of the steel pipe main body 1, the sponge rollers 7 can move up and down under the guidance of the guide post 8 by rotating the screw rod 14, so that the distance between the two sponge rollers 7 on the upper ring 4 and the two sponge rollers 7 on the lower ring 13 can be adjusted, the four sponge rollers 7 can extrude and fix the surface of the heat preservation sponge layer 6, the heat preservation sponge layer 6 can be effectively prevented from falling off, meanwhile, the sponge rollers 7 can protect the surface of the heat preservation sponge layer 6 by adopting sponge materials, the service life of the heat preservation sponge layer 6 is prolonged, and the positive and negative threads are arranged on the surfaces of the positive and negative threaded rods 16, can make between two sponge rollers 7 along opposite direction remove through rotating positive and negative threaded rod 16 to can adjust the distance between two sponge rollers 7, thereby can make sponge roller 7 can fasten the steel pipe main part 1 of different pipe diameters better.
In order to fix the heat-insulating sponge layer 6 for the second time, as shown in fig. 1-5, the outer walls of the two sides of the U-shaped frame 15 are both fixed with a connecting frame 18 through bolts, the outer wall of the top of the connecting frame 18 is connected with a pressure lever 19 in a sliding manner, the outer wall of the circumference of the pressure lever 19 is connected with a spring 9 in a sliding manner, two ends of the spring 9 are respectively clamped on the inner wall of the top of the pressure lever 19 and the outer wall of the top of the connecting frame 18, and the outer wall of the bottom of the pressure lever 19 is fixed with an arc-shaped pressure plate 11 through bolts; the heat preservation sponge layer 6 is compressed at two ends in the process that the arc-shaped pressing plate 11 can move downwards, so that the heat preservation sponge layer 6 can better perform heat preservation operation on the steel pipe main body 1 on the surface, the arc-shaped pressing plate 11 can be buffered through the spring 9, and the heat preservation sponge layer 6 can be protected.
In order to fix the upper ring 4 and the lower ring 13, as shown in fig. 1 and 4, the upper ring 4 and the lower ring 13 are connected through two threaded fasteners 5, and the circumferential outer wall of each threaded fastener 5 is connected with a fastening nut 12 through threads; can fix between 4 and the lower ring 13 of fitting with a contraceptive ring through being provided with threaded fastener 5 and fastening nut 12 to can make 4 and the lower ring 13 of fitting with a contraceptive ring cup joint at 1 circumference outer wall of steel pipe main part, thereby can realize the fixed to heat preservation sponge layer 6, thereby can realize keeping warm.
The working principle is as follows: when the steel pipe heat-insulating sponge layer is used, firstly, the surface of the steel pipe main body 1 is sprayed with the resin coating 2 and the polyurethane layer 3, so that the corrosion resistance of the surface of the steel pipe main body 1 is improved, then, the heat-insulating sponge layer 6 is wrapped on the circumferential outer wall of the steel pipe main body 1, the steel pipe main body 1 can be insulated by utilizing the heat-insulating sponge layer 6, then, the upper ring 4 and the lower ring 13 are fixed through the threaded fastener 5 and the fastening nut 12, then, the distance between the two sponge rollers 7 on the upper ring 4 and the two sponge rollers 7 on the lower ring 13 is adjusted according to the outer diameter of the steel pipe main body 1, meanwhile, the distance between the two sponge rollers 7 on the same side is adjusted by utilizing the positive and negative threaded rods 16, so that the sponge rollers 7 generate extrusion force on the surface of the heat-insulating sponge layer 6, thereby, the heat-insulating sponge layer 6 can be better attached to the surface of the steel pipe main body 1, and because the sponge rollers 7 can rotate along the circumferential outer wall of the steel pipe main body 1, the joints at the two ends of the heat-insulating sponge layer 6 are extruded through the arc-shaped pressing plates 11, so that the heat-insulating sponge layer 6 is further prevented from falling off from the surface of the steel pipe main body 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a heat preservation anticorrosive steel pipe, includes steel pipe main part (1) that utilizes heat preservation mechanism to carry out heat preservation, its characterized in that, steel pipe main part (1) circumference outer wall spraying has resin coating (2), resin coating (2) circumference outer wall spraying has polyurethane layer (3), polyurethane layer (3) circumference outer wall parcel has heat preservation sponge layer (6), heat preservation mechanism is including fitting with a contraceptive ring (4) and lower ring (13), it all has screw rod (14) through threaded connection to fit with a contraceptive ring (4) top outer wall and lower ring (13) bottom outer wall, screw rod (14) bottom outer wall is connected with U type frame (15) through bearing rotation, U type frame (15) top outer wall has two guide post (8) through the screw fixation, U type frame (15) both sides inner wall rotation is connected with same positive and negative threaded rod (16), U type frame (15) both sides inner wall has two slip post (17) through the screw fixation, two sliding column (17) circumference outer wall sliding connection has two supports (10), two support (10) inner wall all rotates and is connected with sponge roller (7).
2. The heat-insulating corrosion-resistant steel pipe as recited in claim 1, wherein the outer walls of two sides of the U-shaped frame (15) are respectively fixed with a connecting frame (18) through bolts, and the outer wall of the top of the connecting frame (18) is connected with a pressure lever (19) in a sliding manner.
3. The heat-insulating corrosion-resistant steel pipe as recited in claim 2, wherein the outer circumferential wall of the pressure lever (19) is slidably connected with a spring (9).
4. The heat-insulating corrosion-resistant steel pipe as claimed in claim 3, wherein two ends of the spring (9) are respectively clamped on the inner wall of the top of the pressure rod (19) and the outer wall of the top of the connecting frame (18).
5. The heat-insulating corrosion-resistant steel pipe as claimed in claim 4, wherein the outer wall of the bottom of the pressure lever (19) is fixed with an arc-shaped pressure plate (11) through bolts.
6. A heat-insulating corrosion-resistant steel pipe according to claim 1, wherein the upper ring (4) and the lower ring (13) are connected by two threaded fasteners (5).
7. The heat-insulating corrosion-resistant steel pipe as recited in claim 6, characterized in that the circumferential outer wall of the threaded fastener (5) is connected with a fastening nut (12) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654116.2U CN214699796U (en) | 2021-03-31 | 2021-03-31 | Heat-insulating anticorrosive steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654116.2U CN214699796U (en) | 2021-03-31 | 2021-03-31 | Heat-insulating anticorrosive steel pipe |
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| Publication Number | Publication Date |
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| CN214699796U true CN214699796U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120654116.2U Active CN214699796U (en) | 2021-03-31 | 2021-03-31 | Heat-insulating anticorrosive steel pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749293A (en) * | 2022-04-26 | 2022-07-15 | 青岛豪德博尔实业有限公司 | Multi-branch parallel device for electrostatic spraying of epoxy resin coating composite steel pipe for underground coal mine |
-
2021
- 2021-03-31 CN CN202120654116.2U patent/CN214699796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749293A (en) * | 2022-04-26 | 2022-07-15 | 青岛豪德博尔实业有限公司 | Multi-branch parallel device for electrostatic spraying of epoxy resin coating composite steel pipe for underground coal mine |
| CN114749293B (en) * | 2022-04-26 | 2023-02-10 | 青岛豪德博尔实业有限公司 | Multi-branch parallel device for electrostatic spraying of epoxy resin coating composite steel pipe for underground coal mine |
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