CN220016456U - Internal thread seamless steel tube for power station boiler - Google Patents
Internal thread seamless steel tube for power station boiler Download PDFInfo
- Publication number
- CN220016456U CN220016456U CN202321020402.9U CN202321020402U CN220016456U CN 220016456 U CN220016456 U CN 220016456U CN 202321020402 U CN202321020402 U CN 202321020402U CN 220016456 U CN220016456 U CN 220016456U
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- steel pipe
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- mounting groove
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 78
- 239000010959 steel Substances 0.000 title claims abstract description 78
- 238000007789 sealing Methods 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 22
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to the technical field of internally threaded seamless steel pipes, in particular to an internally threaded seamless steel pipe for a power station boiler, which comprises a steel pipe body, wherein splicing devices are arranged at the left end and the right end of the steel pipe body, each splicing device comprises a mounting seat, a splicing pipe, a mounting rod, a mounting column and a positioning bolt, the mounting seats are arranged on the left side wall of the steel pipe body, mounting grooves are formed in the left side wall of the mounting seats, the mounting grooves are communicated with the steel pipe body, the mounting rods are respectively arranged on the upper side and the lower side of the mounting grooves on the left side wall of the mounting seats, the mounting columns are arranged at the left end of the mounting rods, a mounting plate is arranged on the right side wall of the steel pipe body, the splicing pipe is spliced on the right side wall of the mounting plate, the outer wall of the splicing pipe is matched with the inner wall of the steel pipe body, and the mounting seats and the mounting plates are connected and fixed conveniently through the cooperation of the mounting columns and the second positioning grooves, so that the mounting and the dismounting of the steel pipe body can be conveniently completed.
Description
Technical Field
The utility model relates to the technical field of internally threaded seamless steel pipes, in particular to an internally threaded seamless steel pipe for a power station boiler.
Background
The internal thread seamless steel pipe is a steel pipe which is formed by perforating round steel and has no weld on the surface, the inner wall of the steel pipe is provided with thread-shaped convex teeth, the steel pipe is called as an internal thread seamless steel pipe, the internal thread seamless steel pipe for a power station boiler is usually a single-layer pipeline, the boiler seamless steel pipe on the market is usually limited by strength and heat preservation performance, frequent maintenance and repair and even replacement are required, a large amount of manpower and material resources are consumed, the boiler is stopped to be caused to cause great economic loss, and the seamless steel pipe is mostly welded and installed in the installation process, so that the tightness of the seamless steel pipe can be ensured, however, the seamless steel pipe is inconvenient to disassemble and overhaul after being welded, and can only be directly sawed for replacement, and the maintenance and overhaul cost is increased.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an internal thread seamless steel tube for a power station boiler.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a seamless steel pipe of internal thread for power plant boiler, includes the steel pipe body, both ends set up splicing apparatus about the steel pipe body, splicing apparatus includes mount pad, splicing pipe, installation pole, erection column and locating bolt, steel pipe body left side lateral wall sets up the mount pad, mount pad left side lateral wall sets up the mounting groove, the mounting groove communicates with the steel pipe body, the mount pad left side lateral wall is located both sides and sets up the installation pole respectively about the mounting groove, the installation pole left end sets up the erection column, steel pipe body right side lateral wall sets up the mounting panel, mounting panel right side lateral wall splicing pipe, splicing pipe outer wall and steel pipe body inner wall looks adaptation, splicing pipe and steel pipe body intercommunication, mounting panel right side lateral wall corresponds the position with the erection column and sets up first constant head tank, first constant head tank lateral wall corresponds the position with the erection column and sets up the locating hole, the mounting panel is located first constant head tank bottom and sets up the locating screw hole, locating screw hole spiral dress locating bolt, set up sealing device in the mounting groove.
In order to facilitate improvement of the tightness of splicing between steel pipe bodies, the utility model is improved in that the sealing device comprises a first fixed ring, a second fixed ring and a rubber sealing ring, wherein the bottom of a mounting groove is provided with the first fixed ring, the inner wall of the first fixed ring is matched with the inner wall of the steel pipe body, the left side wall of the first fixed ring is provided with a first inclined plane, the mounting groove is positioned on the left side of the first fixed ring and slides to be provided with the rubber sealing ring, the left side wall and the right side wall of the rubber sealing ring are respectively provided with a third inclined plane, the side wall of the spliced pipe is positioned on the right side of the mounting plate and is provided with a second fixed ring, and the second inclined plane is respectively matched with the first inclined plane and the second inclined plane.
In order to facilitate further improving the sealing performance between the rubber sealing ring and the spliced tube, the utility model is improved in that a plurality of groups of convex rings are arranged on the inner wall of the rubber sealing ring.
In order to facilitate manual control of the rotation of the positioning bolt, the utility model is improved in that the nut of the positioning bolt is provided with anti-skid threads.
In order to facilitate the improvement of the use strength of the mounting column and the mounting rod and avoid the breakage or deformation of the mounting column and the mounting rod, the utility model is improved in that the mounting rod and the mounting rod are made of metal materials.
In order to facilitate the improvement of the corrosion resistance of the steel pipe body, the utility model is improved in that the inner wall of the steel pipe body is provided with a corrosion-resistant coating.
(III) beneficial effects
Compared with the prior art, the utility model provides the internally threaded seamless steel pipe for the utility boiler, which has the following beneficial effects:
this power plant boiler is with seamless steel pipe of internal thread, through splicing apparatus's setting, be convenient for realize the connection between mount pad and the mounting panel through the cooperation of erection column and second constant head tank and fix to be convenient for accomplish the installation dismantlement between the steel pipe body.
Through sealing device's setting, be convenient for stretch into the steel pipe body with the concatenation pipe the in-process through first solid fixed ring and second fixed plate to rubber sealing ring extrusion deformation to force sealing ring and concatenation pipe lateral wall in close contact with, thereby promote the leakproofness of concatenation between the steel pipe body.
Drawings
FIG. 1 is a schematic view of the structure of a mounting plate of the present utility model;
FIG. 2 is a schematic view of the structure of the mounting base of the present utility model;
FIG. 3 is a schematic view of the structure of the second fixing ring of the present utility model;
FIG. 4 is a schematic view of the sealing device of the present utility model.
In the figure: 1. a steel pipe body; 2. a mounting base; 3. splicing pipes; 4. a mounting rod; 5. a mounting column; 7. a mounting groove; 8. a mounting plate; 9. a second positioning groove; 10. positioning holes; 11. positioning bolts; 12. a first fixing ring; 13. a second fixing ring; 14. a rubber seal ring; 15. a first inclined surface; 16. a third inclined surface; 17. and a second inclined plane.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model discloses an internal thread seamless steel pipe for utility boiler, including steel pipe body 1, both ends set up splicing apparatus about steel pipe body 1, splicing apparatus includes mount pad 2, concatenation pipe 3, installation pole 4, erection column 5 and locating bolt 11, steel pipe body 1 left side lateral wall sets up mount pad 2, mount pad 2 left side lateral wall sets up mounting groove 7, mounting groove 7 and steel pipe body 1 intercommunication, installation pole 4 are set up respectively to both sides about 2 left side lateral walls of mount pad are located mounting groove 7, installation pole 4 left end sets up erection column 5, steel pipe body 1 right side lateral wall sets up mounting plate 8, mounting plate 8 right side lateral wall concatenation pipe 3, concatenation pipe 3 outer wall and steel pipe body 1 inner wall looks adaptation, concatenation pipe 3 and steel pipe body 1 intercommunication, mounting plate 8 right side lateral wall sets up first constant head tank with installation column 5 corresponding position, first constant head tank lateral wall sets up second constant head tank 9 with installation column 5 corresponding position 10, mounting plate 8 sets up the constant head tank bottom setting up the locating hole, the screw thread hole sets up, mounting plate thread hole setting up, the screw thread setting. When in use, an operator stretches the splicing pipe 3 on the right side of the steel pipe body 1 into another steel pipe through the installation groove 7 on the left side of the other steel pipe, the position of the steel pipe body 1 is continuously adjusted, the installation column 5 stretches into the first positioning groove, then the operator rotates the steel pipe body 1, the installation column 5 stretches into the second installation groove 7, the left end of the positioning bolt 11 stretches into the first positioning groove through the rotating rod positioning bolt 11, the installation column 5 is limited through the positioning bolt 11, the installation column 5 is prevented from being separated from the second positioning groove 9, and the connection and fixation between the installation seat 2 and the installation plate 8 are realized, so that the installation between the steel pipe bodies 1 is conveniently completed, and meanwhile, the installation column 5 can be removed from the first installation groove 7 through the reversing positioning bolt 11, so that the disassembly between the steel pipe bodies 1 is conveniently completed, and the overhaul convenience is improved.
The risk of leaking easily takes place for the concatenation department between the steel pipe body 1, for this, sealing device includes first solid fixed ring 12, second solid fixed ring 13 and rubber sealing ring 14, the mounting groove 7 tank bottom sets up first solid fixed ring 12, first solid fixed ring 12 inner wall and steel pipe body 1 inner wall looks adaptation, first solid fixed ring 12 left side lateral wall sets up first inclined plane 15, mounting groove 7 is located first solid fixed ring 12 left side and slides and set up rubber sealing ring 14, rubber sealing ring 14 left and right sides lateral wall sets up third inclined plane 16 respectively, concatenation pipe 3 lateral wall is located mounting panel 8 right side and sets up second solid fixed ring 13, second solid fixed ring 13 right side lateral wall sets up second inclined plane 17, second inclined plane 17 respectively with first inclined plane 15 and second inclined plane 17 looks adaptation, in-process that concatenation pipe 3 stretches into another steel pipe body 1, the second inclined plane 17 of second solid fixed ring 13 cooperates first inclined plane 15 of first solid fixed ring 12 to extrude rubber sealing ring 14 to make it and the tight seal ring 1 of concatenation nature between the promotion body through the extrusion deformation of rubber 14.
In order to further improve the sealing performance between the rubber sealing ring 14 and the splicing tube 3, in this embodiment, multiple groups of convex rings are disposed on the inner wall of the rubber sealing ring 14, so that the sealing performance between the rubber sealing ring 14 and the splicing tube 3 is further improved.
The positioning bolt 11 is not convenient to manually control to rotate in the use process, and for this reason, the nut of the positioning bolt 11 is provided with anti-skid threads, so that the positioning bolt 11 is convenient to manually control to rotate.
The mounting post 5 and the mounting rod 4 are easy to break or deform in the mounting process, and therefore, the mounting rod 4 and the mounting post 5 are made of metal materials, so that the use strength of the mounting post 5 and the mounting rod 4 is convenient to improve, and the mounting post 5 and the mounting rod 4 are prevented from breaking or deforming.
The inner wall of the steel pipe body 1 is easy to be corroded by medium in the inner part, and for this reason, the inner wall of the steel pipe body 1 is provided with an anti-corrosion coating, so that the anti-corrosion performance of the steel pipe body 1 is improved.
In the description herein, it should be noted that the terms "coupled," "connected," and "connected," should be construed broadly, and may be either permanently connected, detachably connected, or integrally connected, for example, unless otherwise specifically indicated and defined; the connection may be mechanical connection, electrical connection, direct connection, or indirect connection via an intermediary. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In this description, it should be noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility boiler is with seamless steel pipe of internal thread, including steel pipe body (1), its characterized in that: the steel pipe body (1) is left and right sides both ends set up splicing apparatus, splicing apparatus includes mount pad (2), concatenation pipe (3), installation pole (4), erection column (5) and locating bolt (11), steel pipe body (1) left side lateral wall sets up mount pad (2), mount pad (2) left side lateral wall sets up mounting groove (7), mounting groove (7) and steel pipe body (1) intercommunication, both sides set up erection pole (4) respectively about mounting groove (7) are located to mount pad (2) left side lateral wall, installation pole (4) left end sets up erection column (5), steel pipe body (1) right side lateral wall sets up mounting plate (8), mounting plate (8) right side lateral wall concatenation pipe (3), concatenation pipe (3) and steel pipe body (1) inner wall looks adaptation, mounting plate (8) right side lateral wall and erection column (5) correspond the position and set up first constant head tank, first constant head tank lateral wall and mounting groove (5) correspond position setting up second constant head tank (9), mounting groove (10) correspond with the constant head tank bottom (5), the positioning threaded hole is provided with a positioning bolt (11) in a threaded manner, and the mounting groove (7) is internally provided with a sealing device.
2. The internally threaded seamless steel pipe for a utility boiler according to claim 1, characterized in that: the sealing device comprises a first fixing ring (12), a second fixing ring (13) and a rubber sealing ring (14), wherein the bottom of a mounting groove (7) is provided with the first fixing ring (12), the inner wall of the first fixing ring (12) is matched with the inner wall of a steel pipe body (1), the left side wall of the first fixing ring (12) is provided with a first inclined surface (15), the mounting groove (7) is positioned on the left side of the first fixing ring (12) and slides to be provided with the rubber sealing ring (14), the left side wall and the right side wall of the rubber sealing ring (14) are respectively provided with a third inclined surface (16), the side wall of a splicing pipe (3) is positioned on the right side of a mounting plate (8) and is provided with a second fixing ring (13), and the right side wall of the second fixing ring (13) is provided with a second inclined surface (17), and the second inclined surface (17) is respectively matched with the first inclined surface (15) and the second inclined surface (17).
3. The internally threaded seamless steel pipe for utility boilers as claimed in claim 2, wherein: and a plurality of groups of convex rings are arranged on the inner wall of the rubber sealing ring (14).
4. A utility boiler internally threaded seamless steel pipe according to claim 3, characterized in that: the nut of the positioning bolt (11) is provided with anti-skid patterns.
5. The internally threaded seamless steel pipe for a utility boiler according to claim 4, wherein: the mounting rod (4) and the mounting column (5) are made of metal materials.
6. The internally threaded seamless steel pipe for a utility boiler according to claim 5, wherein: an anti-corrosion coating is arranged on the inner wall of the steel pipe body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321020402.9U CN220016456U (en) | 2023-04-28 | 2023-04-28 | Internal thread seamless steel tube for power station boiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321020402.9U CN220016456U (en) | 2023-04-28 | 2023-04-28 | Internal thread seamless steel tube for power station boiler |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220016456U true CN220016456U (en) | 2023-11-14 |
Family
ID=88688974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321020402.9U Active CN220016456U (en) | 2023-04-28 | 2023-04-28 | Internal thread seamless steel tube for power station boiler |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220016456U (en) |
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2023
- 2023-04-28 CN CN202321020402.9U patent/CN220016456U/en active Active
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