CN111022459A - Corrosion-resistant foundation bolt - Google Patents
Corrosion-resistant foundation bolt Download PDFInfo
- Publication number
- CN111022459A CN111022459A CN201911306693.6A CN201911306693A CN111022459A CN 111022459 A CN111022459 A CN 111022459A CN 201911306693 A CN201911306693 A CN 201911306693A CN 111022459 A CN111022459 A CN 111022459A
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- China
- Prior art keywords
- embedded
- corrosion
- nut
- anchor bolt
- resistant
- 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.)
- Pending
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 28
- 238000005260 corrosion Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000013040 rubber vulcanization Methods 0.000 claims description 6
- 235000003276 Apios tuberosa Nutrition 0.000 claims description 5
- 235000010777 Arachis hypogaea Nutrition 0.000 claims description 5
- 235000010744 Arachis villosulicarpa Nutrition 0.000 claims description 5
- 244000133018 Panax trifolius Species 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 239000003518 caustics Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a corrosion-resistant foundation bolt which comprises a foundation screw with an embedded screw section and an external connecting screw section, wherein an embedded foundation nut is in threaded connection with the embedded screw section, a locking nut is in threaded connection with the external connecting screw section and is used for realizing fixed locking, mounting and connecting with a bridge support, an embedded mounting groove is formed in the inner periphery of an upper end nut part of the embedded foundation nut, an inner sealing ring is fixedly embedded in the embedded mounting groove, and the inner sealing ring is in threaded connection with the embedded screw section; the invention can obviously improve the corrosion resistance through the specific structural design, and is very suitable for being applied in the field of bridge building engineering in coastal areas.
Description
Technical Field
The invention relates to the field of bridge constructional engineering, in particular to a corrosion-resistant foundation bolt.
Background
In bridge building engineering, in order to ensure installation strength, normally, the foundation nuts are embedded on the bridge pier plates and are connected stably and pre-embedded through the threaded connection foundation screw, and then the fixed connection between the bridge pier plates and the bridge support is realized by forming an foundation bolt structure through the locking installation matching of the foundation screw exposed outside and the locking nut. However, the applicant finds that after long-term use, moisture or corrosive gas from the external environment can permeate into the threaded connection part between the embedded anchor nut and the embedded anchor screw to cause corrosion of the anchor bolt structure, and finally negative effects are caused on the connection stability of the anchor bolt structure.
The applicant therefore wishes to seek technical solutions that improve on the above technical problem.
Disclosure of Invention
In view of the above, the present invention is directed to provide a corrosion-resistant anchor bolt, which can significantly improve corrosion resistance through a specific structural design, and is very suitable for application in the field of bridge construction engineering in coastal areas.
The technical scheme adopted by the invention is as follows:
the utility model provides a corrosion-resistant rag bolt, is including the rag screw that has pre-buried screw rod section and external connection screw rod section, threaded connection embedded ground nut on the pre-buried screw rod section, threaded connection lock nut is used for realizing being connected with the fixed locking erection of bridge beam supports on the external connection screw rod section, the interior embedded groove that is equipped with is bored to the last nut portion of embedded ground nut, embedded groove is fixed to be inlayed and is equipped with the inner seal circle, the inner seal circle with pre-buried screw rod section threaded connection.
Preferably, the inner insertion groove includes an upper groove side and a lower groove side, the upper groove side has an upper distance from an upper end portion of the upper nut portion, and the lower groove side has a lower distance from a lower end portion of the upper nut portion.
Preferably, the height range of the embedded assembly groove is 1-4cm, the upper spacing range is 0.5-3cm, and the lower spacing range is 0.5-3 cm.
Preferably, the embedded installation groove is provided with an embedded step, and the shape of the inner sealing ring is correspondingly matched with that of the embedded installation groove.
Preferably, the embedded anchor nut is molded through a rubber vulcanization process to obtain the inner seal ring.
Preferably, an outer embedding groove is formed in the periphery of the nut portion at the upper end of the embedded anchor nut, and an outer sealing ring is fixedly embedded in the outer embedding groove.
Preferably, the lower end part of the embedded anchor nut is provided with a plurality of embedded expansion notches which are distributed at intervals and used for improving the embedded installation strength.
Preferably, the number of the embedded expansion cuts is 3-6.
Preferably, the embedded anchor nut is molded by a rubber vulcanization process to obtain the inner seal ring and the outer seal ring at the same time.
Preferably, the corrosion-resistant anchor bolt is applied to bridge construction engineering, and is particularly suitable for being applied to coastal areas with high-salinity installation construction environments.
The invention creatively provides a structural design that an embedded groove is adopted for the inner periphery of the upper end nut part of an embedded ground nut, and an inner sealing ring is fixedly embedded in the embedded groove, in the actual installation structure, the outer periphery of the inner sealing ring is embedded and matched with the embedded installation groove, meanwhile, the inner periphery of the inner sealing ring is sleeved on the outer periphery of the embedded screw rod section and is in threaded fit with the embedded screw rod section, the foundation bolt structure is applied to bridge construction engineering, because the inner periphery of the upper end nut part of the embedded anchor nut in the anchor bolt is in threaded sealing connection with the embedded screw rod section through the inner sealing ring, salt or corrosive substances in the external environment can be prevented from permeating into the threaded connection part between the embedded screw rod section and the embedded anchor nut, the corrosion resistance of the foundation bolt can be obviously improved through the specific structural design of the inner sealing ring, and the anchor bolt is very suitable for being applied to the field of bridge building engineering in coastal areas;
the invention further preferably sets a structural design of an external embedding groove at the periphery of the upper end nut part of the embedded anchor nut, and simultaneously, an external sealing ring is fixedly embedded in the external embedding groove and is matched with the internal sealing ring positioned at the inner periphery of the upper end nut part of the embedded anchor nut, so that the anti-seismic effect of the anchor bolt can be further improved, the stress damage is reduced, and the service life of the anchor bolt is further prolonged.
Drawings
FIG. 1 is a schematic structural view of a corrosion-resistant anchor bolt according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A;
fig. 4 is a schematic diagram of the exploded structure of fig. 1.
Detailed Description
The embodiment of the invention discloses a corrosion-resistant foundation bolt which comprises a foundation screw with an embedded screw section and an external connection screw section, wherein an embedded foundation nut is in threaded connection with the embedded screw section, a locking nut is in threaded connection with the external connection screw section and used for realizing fixed locking, mounting and connecting with a bridge support, an embedded installation groove is formed in the inner periphery of the nut part at the upper end of the embedded foundation nut, an inner sealing ring is fixedly embedded in the embedded installation groove, and the inner sealing ring is in threaded connection with the embedded screw section.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 3 and 4, a corrosion-resistant anchor bolt 1 is applied to bridge construction, and the embodiment is particularly suitable for coastal areas with high-salinity installation construction environments, wherein the corrosion-resistant anchor bolt 1 comprises an anchor screw 10 with an embedded screw section 11 and an externally connected screw section 12;
in the embodiment, the embedded screw section 11 is in threaded connection with an embedded anchor nut 20, and the external connecting screw section 12 is in threaded connection with a locking nut 30 for realizing fixed locking installation connection with a bridge support (not shown); preferably, in the present embodiment, the lower end portion of the embedded anchor nut 20 is provided with a plurality of embedded expansion cuts 21 distributed at intervals for improving the embedded installation strength, preferably, the number of the embedded expansion cuts 21 is 3 to 6, specifically, in the present embodiment, the number of the embedded expansion cuts 21 is 4, and a reinforcing embedded protrusion 22 is further provided between each adjacent embedded expansion cuts 21;
in the present embodiment, an embedded groove 24 is provided on the inner periphery of the upper end nut portion 23 of the embedded anchor nut 20, an inner seal ring 41 is fixedly embedded in the embedded groove 24, and the inner seal ring 41 is in threaded connection with the embedded screw section 11; preferably, in order to ensure both the structural mounting strength and the sealing performance, in the present embodiment, the inner fitting groove 24 includes an upper groove side 24a and a lower groove side 24b, the upper groove side 24a having an upper distance from the upper end portion of the upper nut portion 23, the lower groove side 24b having a lower distance from the lower end portion of the upper nut portion 23; the height range of the embedded installing groove 24 is 1-4cm, the upper spacing range is 0.5-3cm, and the lower spacing range is 0.5-3 cm;
preferably, in order to further contribute to the structural installation strength, in the present embodiment, the inner fitting groove 24 is provided with the fitting step 24c, and the shape of the inner seal ring 41 is correspondingly matched with the shape of the inner fitting groove 24;
preferably, the outer embedded groove 25 is formed in the outer periphery of the upper end nut portion 23 of the embedded anchor nut 20, the outer embedded groove 25 is fixedly embedded with the outer sealing ring 42, and the outer sealing ring 42 is matched with the inner sealing ring 41 located on the inner periphery of the upper end nut portion 23 of the embedded anchor nut 20, so that the anti-seismic effect of the anchor bolt 1 can be further improved, the stress damage is reduced, and the service life of the embodiment is further prolonged;
preferably, in the present embodiment, the embedded anchor nut 20 is formed by a rubber vulcanization process to obtain the inner seal ring 41 and the outer seal ring 42 at the same time, and the rubber vulcanization process belongs to a known forming process in which a steel structure is integrally formed with a rubber member, so that the specific preparation process of the embedded anchor nut is not specifically described in this embodiment, which belongs to the common knowledge of those skilled in the art.
The embodiment creatively provides a structural design that an embedded groove 24 is adopted for the inner periphery of an upper end nut part 23 of an embedded anchor nut 20, an embedded inner sealing ring 41 is fixedly embedded in the embedded groove 24, in an actual installation structure, the outer periphery of the inner sealing ring 41 is embedded and matched with the embedded groove 24, the inner periphery of the inner sealing ring 41 is sleeved on the outer periphery of an embedded screw section 11 and is in threaded fit with the embedded screw section, the anchor bolt 1 structure of the embodiment is applied to bridge construction engineering, because the inner periphery of the upper end nut part 23 of the embedded anchor nut 20 in the anchor bolt 1 is in threaded sealing connection with the embedded screw section 11 through the inner sealing ring 41, salt or corrosive substances in the external environment can be prevented from permeating into the threaded connection part between the embedded screw section 11 and the embedded anchor nut 20, and further the problem of corrosion of the connection part can be avoided, and the corrosion resistance of the anchor bolt 1 can be obviously improved through the specific structural design of the inner sealing, is very suitable for being applied in the field of bridge building engineering in coastal areas.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a corrosion-resistant rag bolt, is including the rag screw that has pre-buried screw rod section and external connection screw rod section, threaded connection embedded ground nut on the pre-buried screw rod section, threaded connection lock nut is used for realizing being connected with the fixed locking erection of bridge beam supports on the external connection screw rod section, a serial communication port, the interior embedded groove that is equipped with is bored in the last end nut portion of pre-buried ground nut, embedded groove is fixed to be inlayed and is equipped with the inner seal circle, the inner seal circle with pre-buried screw rod section threaded connection.
2. The corrosion resistant anchor bolt of claim 1, wherein the in-line grove includes an upper grove edge and a lower grove edge, the upper grove edge being spaced upwardly from an upper end of the upper nut portion and the lower grove edge being spaced downwardly from a lower end of the upper nut portion.
3. The corrosion-resistant anchor bolt of claim 2, wherein the embedded grove has a height in the range of 1-4cm, the upper gap is in the range of 0.5-3cm, and the lower gap is in the range of 0.5-3 cm.
4. The corrosion-resistant anchor bolt according to claim 1, wherein the inner embedding groove is provided with an embedding step, and the shape of the inner sealing ring is correspondingly matched with the shape of the inner embedding groove.
5. The corrosion-resistant anchor bolt of claim 1, wherein the embedded anchor nut is formed by a rubber vulcanization process to obtain the inner seal ring.
6. The corrosion-resistant anchor bolt according to claim 1, wherein an outer embedding groove is formed in the periphery of an upper end nut portion of the embedded anchor nut, and an outer sealing ring is fixedly embedded in the outer embedding groove.
7. The corrosion-resistant anchor bolt of claim 1, wherein the lower end of the embedded anchor nut is provided with a plurality of embedded expansion notches spaced apart from each other for improving embedded installation strength.
8. The corrosion-resistant anchor bolt of claim 1, wherein the number of the pre-embedded expansion cuts is 3-6.
9. The corrosion-resistant anchor bolt of claim 6, wherein the embedded anchor nut is formed by a rubber vulcanization process to simultaneously obtain the inner seal ring and the outer seal ring.
10. A corrosion resistant anchor bolt according to claim 1, wherein the corrosion resistant anchor bolt is applied to bridge construction work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911306693.6A CN111022459A (en) | 2019-12-18 | 2019-12-18 | Corrosion-resistant foundation bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911306693.6A CN111022459A (en) | 2019-12-18 | 2019-12-18 | Corrosion-resistant foundation bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111022459A true CN111022459A (en) | 2020-04-17 |
Family
ID=70209578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911306693.6A Pending CN111022459A (en) | 2019-12-18 | 2019-12-18 | Corrosion-resistant foundation bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022459A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066529U (en) * | 1990-04-23 | 1990-11-28 | 中国船舶工业总公司第七研究院第七○四研究所 | Lockbolt combined by ingineering plastic and metal |
| US20080025810A1 (en) * | 2004-06-15 | 2008-01-31 | Grubert Klaus F | Wire Threaded Insert Made of Magnesium or Aluminium Alloy |
| CN201078375Y (en) * | 2007-07-25 | 2008-06-25 | 吴斌 | Built-in type general use back bolt |
| CN204213142U (en) * | 2014-11-19 | 2015-03-18 | 瑞风能源（武汉）工程技术有限公司 | A kind of anticorrosion stone bolt |
| CN204458756U (en) * | 2015-01-28 | 2015-07-08 | 博雷（中国）控制系统有限公司 | A kind of sealing nut |
| CN205298222U (en) * | 2015-11-27 | 2016-06-08 | 浙江浙电经济技术研究院 | Rust -resistant metal protection cap of transmission line iron tower rag bolt |
| CN210859520U (en) * | 2019-11-05 | 2020-06-26 | 国网河南省电力公司济源供电公司 | Metal frame ground bolt screw rust-proof device |
-
2019
- 2019-12-18 CN CN201911306693.6A patent/CN111022459A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066529U (en) * | 1990-04-23 | 1990-11-28 | 中国船舶工业总公司第七研究院第七○四研究所 | Lockbolt combined by ingineering plastic and metal |
| US20080025810A1 (en) * | 2004-06-15 | 2008-01-31 | Grubert Klaus F | Wire Threaded Insert Made of Magnesium or Aluminium Alloy |
| CN201078375Y (en) * | 2007-07-25 | 2008-06-25 | 吴斌 | Built-in type general use back bolt |
| CN204213142U (en) * | 2014-11-19 | 2015-03-18 | 瑞风能源（武汉）工程技术有限公司 | A kind of anticorrosion stone bolt |
| CN204458756U (en) * | 2015-01-28 | 2015-07-08 | 博雷（中国）控制系统有限公司 | A kind of sealing nut |
| CN205298222U (en) * | 2015-11-27 | 2016-06-08 | 浙江浙电经济技术研究院 | Rust -resistant metal protection cap of transmission line iron tower rag bolt |
| CN210859520U (en) * | 2019-11-05 | 2020-06-26 | 国网河南省电力公司济源供电公司 | Metal frame ground bolt screw rust-proof device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |
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| RJ01 | Rejection of invention patent application after publication |