CN217355139U - Anti-corrosion bolt for offshore wind power - Google Patents
Anti-corrosion bolt for offshore wind power Download PDFInfo
- Publication number
- CN217355139U CN217355139U CN202221425511.4U CN202221425511U CN217355139U CN 217355139 U CN217355139 U CN 217355139U CN 202221425511 U CN202221425511 U CN 202221425511U CN 217355139 U CN217355139 U CN 217355139U
- Authority
- CN
- China
- Prior art keywords
- bolt
- nut
- wind power
- offshore wind
- post body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The utility model relates to an anticorrosion bolt for offshore wind power, including the bolt post body, the outside of bolt post body is provided with the wearing layer, be provided with the external screw thread on the wearing layer, the outside spraying of wearing layer has the anticorrosive coating, the anticorrosive coating includes electro-nickel layer and zinc coating from inside to outside in proper order, the top of bolt post body is provided with hexagon nut, screw-thread fit is provided with the nut on the bolt post body, be provided with the gasket between nut and the hexagon nut, be provided with sealed the pad between gasket and the nut, the bottom screw-thread fit of bolt post body is provided with the helmet, the outside at the nut is established to the helmet cover, the utility model discloses corrosion resisting property to bolt post body and nut is good, and convenient to use.
Description
Technical Field
The utility model relates to an anticorrosive bolt technical field specifically is an anticorrosive bolt for marine wind power.
Background
With the popularization of new energy technology, offshore wind power projects are also promoted, and in the implementation process of offshore wind power projects, power generation equipment needs to be assembled and installed through bolts, but the sea surface environment is humid, the moisture in the air is high, the salt content is high, the bolts are prone to corrosion and rust, and the installation stability of the wind power generation equipment is affected.
The utility model provides a novel anticorrosion bolt is provided in chinese patent document with publication number CN215109974U, including connecting bolt and coupling nut, the last lag body that the connecting bolt circumference outside was located to the cover that is equipped with of coupling nut, connecting bolt circumference inboard is equipped with the location cavity, be equipped with the flexible subassembly in the location cavity, the location cavity circumference outside is equipped with the annular and connects the cavity, annular is connected cavity circumference and is equipped with a plurality of glue solution extrusion devices, thereby be equipped with between the one end that glue solution extrusion device is located the location cavity and the flexible subassembly circumference outer wall and extrude the liquid extrusion mechanism that the glue solution extrusion device extruded the glue solution from the other end when flexible subassembly axial displacement can extrude the glue solution extrusion device, and communicate each other through the delivery pipeline of tip setting in connecting bolt one end between the glue solution extrusion device.
According to the scheme, the connecting bolt is prevented from being corroded by oil injection, but the oil injection needs to be carried out through the elastic telescopic assembly and the glue solution extrusion device, the operation is troublesome, a plurality of bolts need to be used in the installation process of the offshore wind power equipment, if oil is required to be fed to each bolt regularly, the workload is large, and the labor is wasted due to the fact that the bolts are excessively fussy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anticorrosion bolt for marine wind power to the bolt anticorrosion structure that provides in solving above-mentioned background art is complicated, and the problem that work load is big.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an anticorrosion bolt for offshore wind power, includes the bolt post body, the outside of bolt post body is provided with the wearing layer, be provided with the external screw thread on the wearing layer, the outside spraying of wearing layer has the anticorrosive coating, the anticorrosive coating includes electro-nickel coating and zinc coating from inside to outside in proper order, the top of bolt post body is provided with hexagon nut, screw-thread fit is provided with the nut on the bolt post body, be provided with the gasket between nut and the hexagon nut, be provided with sealed the pad between gasket and the nut, the bottom screw-thread fit of bolt post body is provided with the helmet, the outside at the nut is established to the helmet cover.
As a further aspect of the present invention: a positioning plate is integrally arranged at the bottom end of the hexagonal nut, a positioning structure is arranged between the positioning plate and the gasket, and the mounting stability of the positioning plate is enhanced through the matching of the positioning plate and the positioning structure.
As the utility model discloses further scheme again: the positioning structure comprises a positioning protrusion arranged at the bottom end of the positioning plate, the top end of the gasket is matched with a positioning groove, the gasket is limited when being mounted through the matching of the positioning protrusion and the positioning groove, and the mounting stability of the gasket is improved.
As the utility model discloses further scheme again: the helmet includes connecting portion, threaded connection between connecting portion and the bolt post body, the bottom an organic whole of connecting portion is provided with the shrouding, and the portion is established to the integrative cover that is provided with in top, the portion cover is established in the outside of nut to the cover, establishes the cooperation of portion through connecting portion, shrouding and cover and realizes the protection of helmet to the hookup location between nut and the bolt post body.
As a further aspect of the present invention: the sealing gasket is provided with a sealing groove, the top end of the cover establishing part is provided with a sealing convex ring, the cover establishing part carries the sealing convex ring to be located in the sealing groove, and the sealing performance between the protective cap and the sealing gasket is enhanced through the matching of the sealing groove and the sealing convex ring.
As a further aspect of the present invention: the inboard of nut is provided with first internal thread, the inboard of connecting portion is provided with the second internal thread, first internal thread and second internal thread all with the external screw thread between screw-thread fit, realize through the cooperation between first internal thread, second internal thread and the external screw thread that nut and helmet and bolt post body are connected fixedly.
As a further aspect of the present invention: the outer side of the covering part is provided with anti-skid convex lines, so that the anti-skid performance of the covering part during screwing is enhanced.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses be provided with the wearing layer in the outside of bolt post body, can strengthen the wearability of bolt post body, the outside spraying of wearing layer has the anticorrosive coating, the anticorrosive coating includes nickel plating and zinc coating from inside to outside in proper order, nickel plating and zinc coating have very strong passivation ability, can generate the extremely thin passive film of one deck rapidly at the surface energy, can resist the corruption of atmosphere, alkali and some sour, can effectual protection bolt post body's outer wall, the outer wall of avoiding the bolt post body receives the corruption.
2. The utility model discloses be provided with sealed pad and helmet on the post of bolt body, can cover the connecting portion of nut and post of bolt body with the cooperation of sealed pad and helmet and establish, with external isolated, avoid the water vapour that contains salt in the air to be connected with the connection position of nut and post of bolt body, improve anticorrosive effect.
3. The utility model discloses in with the cooperation realization protection of establishing portion, sealed bulge loop and seal groove through connecting portion, shrouding, cover between helmet and the sealed pad, can strengthen the protective effect of nut, improve the leakproofness between helmet and the sealed pad simultaneously, strengthen the corrosion protection performance.
4. The utility model discloses simple structure, follow the installation when bolt post body installation can, do not need the anticorrosive fluid of periodic addition, reduce the working strength, use manpower sparingly, improve the life of bolt post body.
Drawings
Fig. 1 is a schematic view of the overall structure of an anti-corrosion bolt for offshore wind power according to the present invention;
FIG. 2 is a schematic diagram of the overall structure of an anti-corrosion bolt for offshore wind power according to the present invention;
FIG. 3 is a sectional view of the overall structure of the present invention;
FIG. 4 is an exploded view of the overall structure of the present invention;
fig. 5 is a cross-sectional view of the connection structure among the bolt column body, the wear-resistant layer, the external thread and the corrosion-resistant layer in the present invention;
FIG. 6 is an exploded view of the connection structure between the nickel electroplating layer and the zinc plating layer according to the present invention.
In the figure: 1. a bolt column body; 2. a wear layer; 3. an external thread; 4. an anticorrosive layer; 5. electroplating a nickel layer; 6. a zinc plating layer; 7. a hexagonal nut; 8. a nut; 9. a gasket; 10. a gasket; 11. a protective cap; 12. positioning a plate; 13. positioning the projection; 14. a positioning groove; 15. a connecting portion; 16. closing the plate; 17. a covering part; 18. a sealing groove; 19. a sealing convex ring; 20. a first internal thread; 21. a second internal thread; 22. anti-skid wales.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1:
referring to fig. 1 to 6, in the embodiment of the present invention:
the utility model provides an anticorrosion bolt for offshore wind power, including bolt post body 1, the outside of bolt post body 1 is provided with wearing layer 2, be provided with external screw thread 3 on wearing layer 2, the outside spraying of wearing layer 2 has anticorrosive coating 4, anticorrosive coating 4 includes electro-nickel coating 5 and zinc coating 6 from inside to outside in proper order, the top of bolt post body 1 is provided with hexagon nut 7, screw-thread fit is provided with nut 8 on the bolt post body 1, be provided with gasket 9 between nut 8 and the hexagon nut 7, be provided with sealed pad 10 between gasket 9 and the nut 8, the bottom screw-thread fit of bolt post body 1 is provided with helmet 11, helmet 11 covers the outside of establishing at nut 8.
Referring to fig. 1 to 3, in the embodiment of the present invention: a positioning plate 12 is integrally arranged at the bottom end of the hexagonal nut 7, a positioning structure is arranged between the positioning plate 12 and the gasket 9, the positioning structure comprises a positioning protrusion 13 arranged at the bottom end of the positioning plate 12, a positioning groove 14 is formed in the top end of the gasket 9 in a matched mode, the mounting stability of the gasket 9 is improved through the matching of the positioning protrusion 13 and the positioning groove 14, and the gasket 9 is prevented from loosening.
Referring to fig. 1 to 4, in the embodiment of the present invention: the protective cap 11 comprises a connecting part 15, the inner side of the connecting part 15 is matched with the external thread 3 to be provided with a second internal thread 21, the threaded connection between the connecting part 15 and the bolt column body 1 is realized through the matching of the second internal thread 21 and the external thread 3, so that the threaded connection and fixation between the protective cap 11 and the bolt column body 1 are realized, the bottom end of the connecting part 15 is integrally provided with a sealing plate 16, the bottom end of the protective cap 11 can be sealed through the sealing plate 16, the top end of the connecting part 15 is integrally provided with a covering part 17, the covering part 17 is sleeved on the outer side of the nut 8 and is used for sheathing the nut 8, the sealing gasket 10 is provided with a sealing groove 18, the top end of the covering part 17 is provided with a sealing convex ring 19, the covering part 17 is carried with the sealing convex ring 19 and is positioned in the sealing groove 18, and when in use, the protective cap is fixedly connected with the bolt column body 1 through the connecting part 15, and is used for sleeving the covering part 17 on the outer side of the nut 8, meanwhile, the top end of the covering part 17 is provided with a sealing convex ring 19 which is positioned in the sealing groove 18, the sealing protection of the connecting position of the nut 8 and the bolt column body 1 is realized through the matching of the sealing gasket 10 and the protective cap 11, the isolation between the tail end of the bolt column body 1 and the nut 8 from the outside is realized, and the anti-corrosion effect is improved.
Referring to fig. 4, in the embodiment of the present invention: the inner side of the nut 8 is provided with a first internal thread 20, and the screwing fixation between the nut 8 and the bolt column body 1 is realized through the matching of the first internal thread 20 and the external thread 3.
Referring to fig. 1 and 2, in an embodiment of the present invention: the outer side of the covering part 17 is provided with an antiskid convex line 22, so that the antiskid performance of the protective cap 11 during screwing is improved, and the protective cap 11 is convenient to screw.
Example 2:
referring to fig. 1 to 6, the utility model relates to an anticorrosion bolt for marine wind power, including bolt column body 1, and be provided with wearing layer 2 in the outside of bolt column body 1, can strengthen the wearability of bolt column body 1, be provided with external screw thread 3 on wearing layer 2, the outside spraying of wearing layer 2 has anticorrosive coating 4, anticorrosive coating 4 includes nickel electroplating layer 5 and zinc coating 6 from inside to outside in proper order, nickel electroplating layer 5 and zinc coating 6 have very strong passivation ability, generate the extremely thin passive film of one deck rapidly at the surface energy, can resist the atmosphere, the corruption of alkali and certain acid, make can effectual protection bolt column body 1's outer wall, the outer wall of avoiding bolt column body 1 receives the corruption, cause the outer wall thread damage of bolt column body 1, can spray anticorrosive coating 4 with nut 8's surface equally, strengthen holistic anticorrosive effect.
Example 3:
referring to fig. 1 to 6, on the basis of embodiment 2, the utility model relates to an anti-corrosion bolt for offshore wind power, when in use, a bolt column body 1 is passed through an external device joint to be fixed, a hexagon nut 7 and a gasket 9 are positioned at one side of the external device joint, then a nut 8 is screwed at the other side of the bolt column body 1, thereby realizing the locking and fixing of the external device, then a protective cap 11 is covered at the outer side of the nut 8, the connection part 15 on the protective cap 11 is connected and fixed with the tail end of the bolt column body 1 through the matching of an external thread 3 and a second internal thread 21, a covering part 17 on the protective cap 11 is sleeved at the outer side of the nut 8, and the top end of the covering part 17 is provided with a sealing convex ring 19 and positioned in a sealing groove 18, the sealing protection of the connection position of the nut 8 and the bolt column body 1 is realized through the matching of a sealing gasket 10 and the protective cap 11, realize between the tail end of bolt post body 1 and the nut 8 with external isolated, improve the anticorrosion effect, simultaneously, the utility model discloses bottom an organic whole at hexagon nut 7 is provided with locating plate 12, is provided with location structure between locating plate 12 and the gasket 9, and location structure is including setting up the protruding 13 in the location of locating plate 12 bottom, and positioning groove 14 has been seted up in the cooperation of the top of gasket 9, improves the installation stability of gasket 9 through the protruding 13 in location and positioning groove 14's cooperation, prevents not hard up of gasket 9.
In all the above-mentioned schemes, the connection between two components can be selected according to the actual situation, the matching connection of the welding, the bolt and the nut, the bolt or the screw connection or other known connection methods are not repeated herein, and all the above-mentioned schemes relate to the fixed connection, and the welding is considered preferentially, and above, it is only 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, and according to the technical scheme of the present invention and the utility model concept of the present invention equivalent replacement or change, all should be covered in the protection scope of the present invention.
Claims (7)
1. An anti-corrosion bolt for offshore wind power comprises a bolt column body (1) and is characterized in that: the outside of bolt post body (1) is provided with wearing layer (2), be provided with external screw thread (3) on wearing layer (2), the outside spraying of wearing layer (2) has anticorrosive coating (4), anticorrosive coating (4) include electro-nickel coating (5) and zinc coating (6) from inside to outside in proper order, the top of bolt post body (1) is provided with hexagon nut (7), screw-thread fit is provided with nut (8) on bolt post body (1), be provided with gasket (9) between nut (8) and hexagon nut (7), be provided with sealed pad (10) between gasket (9) and nut (8), the bottom screw-thread fit of bolt post body (1) is provided with helmet (11), the outside at nut (8) is established to helmet (11) cover.
2. An anti-corrosion bolt for offshore wind power according to claim 1, characterized in that: a positioning plate (12) is integrally arranged at the bottom end of the hexagonal nut (7), and a positioning structure is arranged between the positioning plate (12) and the gasket (9).
3. An anti-corrosion bolt for offshore wind power according to claim 2, characterized in that: the positioning structure comprises a positioning bulge (13) arranged at the bottom end of the positioning plate (12), and a positioning groove (14) is formed in the top end of the gasket (9) in a matched mode.
4. An anti-corrosion bolt for offshore wind power according to claim 1, characterized in that: the protective cap (11) comprises a connecting portion (15), the connecting portion (15) is in threaded connection with the bolt column body (1), a sealing plate (16) is integrally arranged at the bottom end of the connecting portion (15), a cover establishing portion (17) is integrally arranged at the top end of the connecting portion, and the cover establishing portion (17) is sleeved on the outer side of the nut (8).
5. An anti-corrosion bolt for offshore wind power according to claim 4, characterized in that: seal groove (18) have been seted up on sealed pad (10), the top that the portion (17) was established to the cover is provided with sealed bulge loop (19), the portion (17) are established to the cover carries sealed bulge loop (19) and is located seal groove (18).
6. An anti-corrosion bolt for offshore wind power according to claim 4, characterized in that: the inner side of the nut (8) is provided with a first internal thread (20), the inner side of the connecting part (15) is provided with a second internal thread (21), and the first internal thread (20) and the second internal thread (21) are in threaded fit with the external thread (3).
7. An anti-corrosion bolt for offshore wind power according to claim 5, characterized in that: the outer side of the covering part (17) is provided with an anti-skid convex line (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221425511.4U CN217355139U (en) | 2022-06-09 | 2022-06-09 | Anti-corrosion bolt for offshore wind power |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221425511.4U CN217355139U (en) | 2022-06-09 | 2022-06-09 | Anti-corrosion bolt for offshore wind power |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217355139U true CN217355139U (en) | 2022-09-02 |
Family
ID=83017803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202221425511.4U Active CN217355139U (en) | 2022-06-09 | 2022-06-09 | Anti-corrosion bolt for offshore wind power |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217355139U (en) |
-
2022
- 2022-06-09 CN CN202221425511.4U patent/CN217355139U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN217355139U (en) | Anti-corrosion bolt for offshore wind power | |
CN210196584U (en) | Check valve with good corrosion resistance | |
CN211778427U (en) | Double-nut shockproof stacked combination bolt | |
CN212564028U (en) | Tire fastening locknut | |
CN209781916U (en) | Oil inlet fastening nut for fuel system of internal combustion engine | |
CN211117092U (en) | Corrosion-resistant engine connecting rod | |
CN220067038U (en) | High strength motor end cover | |
CN214093451U (en) | 706DPF flange structure with good connection performance | |
CN217683774U (en) | Combined flange with sealing structure | |
CN216520060U (en) | PVC (polyvinyl chloride) telescopic explosion-proof pipe for agricultural irrigation | |
CN210141258U (en) | Safety bolt | |
CN218996968U (en) | Underwater battery compartment | |
CN211951120U (en) | Corrosion-resistant carbon steel bolt | |
CN213712216U (en) | Flange with good sealing performance | |
CN214533973U (en) | Bolt and nut rust-proof cover | |
CN213017233U (en) | Waterproof gasket of vehicle antenna | |
CN216407431U (en) | High-strength anti-corrosion bolt | |
CN209313356U (en) | A kind of Quick connection part of flared electric force tube | |
CN221074927U (en) | Corrosion-resistant fastening bolt | |
CN216690404U (en) | Detachable outlet sleeve for concrete pump truck | |
CN215626969U (en) | Antifouling anticorrosive electrode | |
CN217402090U (en) | Nano composite heavy-duty anticorrosive lining for offshore platform | |
CN217003073U (en) | Sealing structure for transmission shaft of underwater robot | |
CN215009564U (en) | Engineering cable adapter for electromechanical installation | |
CN213360757U (en) | Fastener with anticorrosion function |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |