CN209818502U - Full-surrounding type bolt anti-corrosion protection device - Google Patents
Full-surrounding type bolt anti-corrosion protection device Download PDFInfo
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- CN209818502U CN209818502U CN201920443311.3U CN201920443311U CN209818502U CN 209818502 U CN209818502 U CN 209818502U CN 201920443311 U CN201920443311 U CN 201920443311U CN 209818502 U CN209818502 U CN 209818502U
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Abstract
The utility model relates to a full-surrounding bolt anti-corrosion protection device, which is characterized by comprising a pair of half-surrounding shells, wherein the two shells are butted to form a protective cover to accommodate a base flange and a bolt nut on the base flange; the bottom of the protective cover is in close contact and sealing with the base surface, and the top opening of the protective cover is in close contact and sealing with the steel column. The protective cover is also provided with a perspective window, and a transparent plate is covered or embedded on the perspective window. The upper center of the protective cover is high and the periphery is low to form an inclined plane structure. The utility model can effectively isolate corrosive medium, has the functions of corrosion resistance and rust resistance on the base flange and the bolt and nut thereon, ensures the safe operation of the bolt and nut, and can observe the bolt state at any time through the perspective window, thereby being convenient for maintenance; and the bolt anticorrosion protection device has long service life, can be repeatedly utilized for many times, is convenient to assemble and disassemble, can facilitate the overhaul of bolts and nuts, accelerates the overhaul speed and reduces the maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of the bolt is anticorrosive, concretely relates to all-round enclose anticorrosive protection device of bolt.
Background
The bolt is used as a basic element for connecting and fixing, and once corroded, the stability between structures is possibly affected, and the danger of fracture, collapse and the like is possibly generated. Even if routine inspection is frequently performed to ensure timely replacement of corroded bolts, the bolts are difficult to unscrew after corrosion, the replacement is inconvenient, and meanwhile, related parts fixed by the bolts are inconvenient to overhaul and disassemble, and much manpower and material resources are consumed. At present, a plurality of places are used for foundation bolts in a railway system, but the anticorrosion protection measures of the foundation bolts are not too many, and the effect is general. The most common measure adopted for the corrosion prevention of the foundation bolt is to seal the foundation bolt by adopting cement so as to isolate the bolt from the outside air and achieve the corrosion prevention effect; but the cement is easy to crack after a long time, so that the bolt is corroded; meanwhile, the bolt is sealed by cement, and the bolt cannot be periodically overhauled and maintained. Particularly, in coastal areas, under the influence of saline-alkali climates such as oceans and the like, the corrosion phenomenon of foundation bolts is more serious, the rust removal of the bolts is more difficult and complicated, and the damage to railway operation is particularly serious. At present, the foundation bolts are also protected one by adopting the anti-corrosion protective caps, but the loading and unloading efficiency is low and the workload is large during maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model designs a full-surrounding bolt anti-corrosion protection device, aiming at improving the loading and unloading efficiency of the anti-corrosion device and reducing the maintenance workload; meanwhile, the whole set of bolt and nut is isolated from the outside, so that air and moisture are prevented from entering, and the anti-corrosion effect is improved.
In order to achieve the above purpose, the utility model adopts the following scheme:
a full-surrounding bolt anticorrosion protection device comprises a pair of shells of a half-surrounding structure, wherein the two shells are butted to form a protection cover to accommodate a base flange and a bolt and nut combined structure on the base flange; the bottom of the protective cover is in close contact and sealing with the base surface, and the top opening of the protective cover is in close contact and sealing with the steel column.
Further, the two housings are detachably connected together.
Furthermore, the two shells are connected together in an inserting way; the lower parts of the two shells are oppositely provided with a plurality of insertion rods, and the end parts of the outer ends of the insertion rods are provided with insertion structures; the insertion rod penetrates through the gap between the base flange and the base surface and is inserted and connected together.
Furthermore, the inserting structure comprises an inserting plate, the width of the inserting plate is half of the width or the diameter of the corresponding inserting rod, and through holes are formed in the inserting plate so as to facilitate the fixed rod to pass through; the butt joint of the lower parts of the two shells is correspondingly provided with a through hole so as to facilitate the passing of the fixing rod.
Further, bolt fastening through holes are oppositely formed in the upper portions of the two shells, and fastening bolts penetrate through the bolt fastening through holes to fasten the two shells; so that the two shells of the anti-corrosion device are more firmly fixed.
Furthermore, anti-falling holes are oppositely formed in the upper portions of the two shells, and anti-falling ropes are installed in the anti-falling holes to tighten the two shells. When the fixed bolt and the fixed rod are fastened by the shell and fall off, the anti-falling safety function is achieved by the anti-falling rope.
Further, bolt through holes are oppositely formed in the two shells, and connecting bolts penetrate through the bolt through holes and through holes in the steel column body to tightly connect the two shells; so that the two shells of the anti-corrosion device are more firmly fixed.
Furthermore, a limit structure matched with the bolt and nut combined structure or the steel column reinforcing plate or the foundation flange is further arranged in the shell.
Furthermore, the limiting structure is a limiting partition plate or a limiting stop block.
Furthermore, a groove structure used for containing sealant is arranged on the lower end face of the shell.
Furthermore, the butt joint surfaces of the two shells are sealed and bonded by a sealing strip and special glue; the bottom of the protective cover is hermetically bonded with the base surface by a bottom rubber pad and special rubber; the opening at the top of the protective cover is hermetically bonded with the steel column by adopting a sealing strip and special glue; prevent rainwater, inside the air admission protection device.
Further, the shell is made of metal or nonmetal materials.
Furthermore, a transparent window is further arranged on the protective cover, and a transparent plate is covered or embedded on the transparent window. The perspective window can observe the bolt state at any time, and is convenient to overhaul.
Further, the shape of the protective cover can be any shape, such as square, round, triangle, semi-circle and semi-square.
Furthermore, the upper center of the protective cover is high and the periphery is low to form an inclined plane structure.
Further, a nut gasket combination structure of the bolt and nut combination structure on the basic flange is also provided with a protective sleeve which is in close contact with the appearance of the nut gasket combination structure.
Further, the body of the protective sleeve is of a stepped sleeve structure, the inner wall surface of the upper section of the stepped sleeve structure is a cylindrical surface matched with the gasket, the inner wall surface of the middle section of the stepped sleeve structure is a hexagonal prism surface matched with the nut, and the inner wall surface of the lower section of the stepped sleeve structure is provided with an internal thread structure matched with the bolt.
Furthermore, grease is filled between the protective sleeve and the corresponding nut and gasket combined structure and the bolt.
This fully enclosed bolt anticorrosion protection device has following beneficial effect:
(1) the utility model discloses a protection of enclosing anticorrosive device entirely can effectual isolated corrosive medium, has played anticorrosion, rust-resistant effect to basic flange and the bolt nut thereon, has guaranteed bolt nut's safe operation.
(2) The utility model discloses in, the nut gasket combination of the bolt and nut combination that is protected still is provided with the protective sheath outward, and has filled the butter between protective sheath and corresponding nut gasket integrated configuration, bolt, has further prevented air and moisture entering to bolt and nut's corrosion, has further guaranteed bolt and nut safe and reliable's operation.
(3) The utility model discloses long service life can reuse many times, installs and removes the convenience, can make things convenient for bolt and nut's maintenance, has reduced the maintenance cost for maintenance speed has also guaranteed the security of structure.
(4) The utility model discloses rational in infrastructure, the site operation is installed portably, labour saving and time saving.
(5) The utility model discloses it is beautiful appearance, still can the sun-proof, anticollision etc. be beautiful view in one in the intelligent high-speed railway.
(6) The utility model discloses in, bolt state, easy access can be observed at any time to the perspective window.
(7) At present, the fully-enclosed bolt anticorrosion protection device is still a blank in the bolt anticorrosion field in China, so that the popularization and application of the fully-enclosed bolt anticorrosion protection device have good market prospect and profound significance.
Drawings
FIG. 1: the utility model discloses the front view (cross section) of the fully-enclosed bolt corrosion protection device in the first embodiment;
FIG. 2: a top view (cross-sectional view) of the fully-enclosed bolt corrosion protection device in the first embodiment of the present invention;
FIG. 3: the left view of the fully-enclosed bolt corrosion protection device in the first embodiment of the utility model (the left view of the right shell);
FIG. 4: the utility model discloses a use schematic diagram of a fully-enclosed bolt anti-corrosion protection device in a first embodiment;
FIG. 5: the utility model discloses the front view of the protective sleeve in the first embodiment;
FIG. 6: a plan view of the protective cover according to the first embodiment of the present invention;
FIG. 7: the utility model discloses the front view of the fully-enclosed bolt anti-corrosion protection device in the second embodiment;
FIG. 8: the utility model discloses enclose formula bolt anticorrosion protection device's left side view (the left side view of the casing on the right) entirely among the second embodiment.
Description of reference numerals:
1-a housing; 11-a limit structure; 12-a plug rod; 13-a through hole; 14-a see-through window; 15-bolt through hole; 16-bolt fastening through holes; 17-anti-drop hole; 2-base surface; 3-a base flange; 4-steel column; 5, protecting the sleeve.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 to fig. 6 show a first embodiment of a fully-enclosed bolt corrosion protection device of the present invention. Fig. 1 to 3 are three views of a fully-enclosed bolt corrosion protection apparatus according to the present embodiment; FIG. 4 is a schematic view of the use of the fully-enclosed bolt corrosion protection arrangement in this embodiment; fig. 5 to 6 are schematic structural views of the protective cover in the present embodiment.
As shown in fig. 1 to 6, the fully-enclosed bolt corrosion protection device in the present embodiment includes a pair of half-enclosed shells 1, where the two shells 1 are butted to form a protective cover to accommodate a base flange 3 and a bolt nut on the base flange 3; the bottom of the protective cover is in close contact and sealed with the base surface 2, and the top opening of the protective cover is in close contact and sealed with the steel column 4. In this embodiment, the steel column 4 is an i-shaped steel column.
Preferably, the two housings 1 are detachably connected together.
Preferably, the two housings 1 are detachably connected together by plugging; the lower parts of the two shells 1 are oppositely provided with a plurality of insertion rods 12, and the end parts of the outer ends of the insertion rods 12 are provided with insertion structures; the plug-in rods 12 are plugged together through the gap between the base flange 3 and the base surface 2, as shown in fig. 1 and 2.
Preferably, the inserting structure comprises an inserting plate, the width of the inserting plate is half of the width or the diameter of the corresponding inserting rod 12, and through holes 13 are formed in the inserting plate to facilitate the fixed rod to pass through; the lower butt joint of the two housings 1 is correspondingly provided with a through hole to facilitate the passing of the fixing rod, as shown in fig. 1 and 2. In the drawings of the present embodiment, the fixing lever is not shown.
Preferably, the upper parts of the two shells 1 are also oppositely provided with bolt fastening through holes 16, and fastening bolts penetrate through the bolt fastening through holes 16 to fasten the two shells 1; the two shells 1 of the corrosion protection device are fixed more firmly, as shown in fig. 3. In this embodiment, each housing 1 has two bolt-fastening through holes 16, and the bolt-fastening through holes are symmetrically disposed on the top of the housing 1.
Preferably, the upper parts of the two shells 1 are also oppositely provided with anti-drop holes 17, and the anti-drop holes 17 are provided with anti-drop ropes to tighten the two shells 1. When the fixed bolt and the fixed rod are fastened on the shell and fall off, the anti-falling rope has the anti-falling safety function so as to ensure that the anti-corrosion cover cannot fall off, as shown in figure 3. In this embodiment, each housing 1 has two anti-falling holes 17, and the two anti-falling holes are symmetrically arranged.
Preferably, the two shells 1 are also oppositely provided with bolt through holes 15, and connecting bolts penetrate through the bolt through holes 15 and through holes on the steel column body to tightly connect the two shells 1; the two housings 1 of the corrosion protection device are fixed more firmly as shown in fig. 1 and 3.
Preferably, a limiting structure 11 matched with the bolt and nut combined structure or the steel column reinforcing plate or the base flange 3 is further arranged in the shell 1, and the limiting structure plays a limiting role in limiting the shell 1. As shown in fig. 1, 2 and 3.
Preferably, the spacing structure 11 is a spacing partition or a spacing block. In this embodiment, limit structure 11 has adopted limit stop and the cooperation of basic flange 3 to spacing casing 1.
Preferably, a groove structure for accommodating the sealant is arranged on the lower end surface of the housing 1. During installation, the lower surface of the shell 1 needs to be coated with sealant, so that the sealing performance of the protective cover after installation is ensured.
Preferably, the butt joint surfaces of the two shells 1 are sealed and bonded by a sealing strip and special glue; the bottom of the protective cover is hermetically bonded with the base surface 2 by a bottom rubber pad and special rubber; the opening at the top of the protective cover is hermetically bonded with the steel column 4 by adopting a sealing strip and special glue; prevent rainwater, inside the air admission protection device.
Preferably, the housing 1 may be made of metal or non-metal material. The protection plate 1 is preferably made of a non-metallic material for durability, corrosion resistance and rust resistance.
Preferably, the protective cover is further provided with a transparent window 14, the transparent window 14 is covered or embedded with a transparent plate, as shown in fig. 1, 2, 3 and 4, the transparent window 14 can observe the bolt state at any time, and the maintenance is convenient. In this embodiment, there are two transparent windows 14, which are respectively disposed on the side surfaces of the two housings 1 that are butted to each other.
Alternatively, the outer shape of the protective cover may be any shape.
Preferably, the upper part of the protective cover is an inclined plane structure with a high height at the center and a low circumference, as shown in fig. 1, 2, 3 and 4, so that rainwater and the like can slide conveniently.
Preferably, the nut-washer combination structure of the bolt-nut combination structure on the base flange 3 is further provided with a protective sleeve 5 closely contacting with the shape of the nut-washer combination structure, as shown in fig. 4.
Preferably, the body of the protective sleeve 5 is a stepped sleeve structure, the inner wall surface of the upper section of the stepped sleeve structure is a cylindrical surface matched with the gasket, the inner wall surface of the middle section of the stepped sleeve structure is a hexagonal prism surface matched with the nut, and the inner wall surface of the lower section of the stepped sleeve structure is provided with an internal thread structure matched with the bolt, as shown in fig. 5 and 6.
Preferably, grease is filled between the protective sleeve 5 and the corresponding nut and washer combined structure and the bolt.
Fig. 7 to 8 show a second embodiment of the fully-enclosed bolt corrosion protection device of the present invention. Compared with the fully-enclosed bolt corrosion protection device in the first embodiment, the fully-enclosed bolt corrosion protection device in the embodiment has basically the same structure, and the difference is only that the appearance of the protection cover in the embodiment specifically adopts a square structure.
The utility model discloses a protection of enclosing anticorrosive device entirely can effectual isolated corrosive medium, has played anticorrosion, rust-resistant effect to basic flange and the bolt nut thereon, has guaranteed bolt nut's safe operation.
The utility model discloses in, the nut gasket combination of the bolt and nut combination that is protected still is provided with the protective sheath outward, and has filled the butter between protective sheath and corresponding nut gasket integrated configuration, bolt, has further prevented air and moisture entering to bolt and nut's corrosion, has further guaranteed bolt and nut safe and reliable's operation.
The utility model discloses long service life can reuse many times, installs and removes the convenience, can make things convenient for bolt and nut's maintenance, has reduced the maintenance cost for maintenance speed has also guaranteed the security of structure.
The utility model discloses rational in infrastructure, the site operation is installed portably, labour saving and time saving.
The utility model discloses it is beautiful appearance, still can the sun-proof, anticollision etc. be beautiful view in one in the intelligent high-speed railway.
The utility model discloses in, bolt state, easy access can be observed at any time to the perspective window.
The utility model discloses but wide application in the field of using the bolt such as petroleum, chemical industry, steel, electric power, road administration, railway, industry.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (18)
1. A full-surrounding bolt anticorrosion protection device is characterized by comprising a pair of shells of half-surrounding structures, wherein the two shells are butted to form a protection cover to accommodate a base flange and a bolt and nut combined structure on the base flange; the bottom of the protective cover is in close contact and sealing with the base surface, and the top opening of the protective cover is in close contact and sealing with the steel column.
2. The all-around bolt corrosion protection device of claim 1, wherein said two housings are removably connected together.
3. The fully-enclosed bolt corrosion protection device according to claim 2, wherein said two housings are connected together by plugging; the lower parts of the two shells are oppositely provided with a plurality of insertion rods, and the end parts of the outer ends of the insertion rods are provided with insertion structures; the insertion rod penetrates through the gap between the base flange and the base surface and is inserted and connected together.
4. The fully-enclosed bolt corrosion protection device according to claim 3, wherein the plug structure comprises a plug board, the width of the plug board is half of the width or diameter of the corresponding plug rod, and through holes are formed in the plug board to facilitate the passing of the fixing rod; the butt joint of the lower parts of the two shells is correspondingly provided with a through hole so as to facilitate the passing of the fixing rod.
5. The all-around bolt corrosion protection device according to claim 1, 2, 3 or 4, wherein the upper parts of the two shells are also oppositely provided with bolt fastening through holes, and fastening bolts penetrate through the bolt fastening through holes to fasten the two shells.
6. The fully-enclosed bolt corrosion protection device according to claim 1, 2, 3 or 4, wherein the upper parts of the two shells are also oppositely provided with anti-dropping holes, and anti-dropping ropes are installed in the anti-dropping holes to tension the two shells.
7. The fully-enclosed bolt corrosion protection device according to claim 1, 2, 3 or 4, wherein bolt through holes are oppositely formed in the two shells, and a connecting bolt penetrates through the bolt through holes and the through holes in the steel column body to tightly connect the two shells.
8. The fully-enclosed bolt corrosion protection device according to claim 1, 2, 3 or 4, wherein a limiting structure matched with the bolt-nut composite structure or the steel column reinforcing plate or the foundation flange is further arranged in the shell.
9. The fully-enclosed bolt corrosion protection device according to claim 8, wherein said limit structure is a limit baffle or a limit stop.
10. The all-around bolt corrosion protection device according to claim 1, 2, 3, 4 or 9, wherein a groove structure for accommodating sealant is arranged on the lower end face of the shell.
11. The all-around bolt corrosion protection device according to claim 1, 2, 3, 4 or 9, wherein the abutting surfaces of the two shells are sealed and bonded by a sealing strip and a special glue, the bottom of the protection cover and the base surface are sealed and bonded by a base rubber pad and a special glue, and the top opening of the protection cover and the steel column are sealed and bonded by a sealing strip and a special glue.
12. A fully-enclosed bolt corrosion protection device according to claim 1, 2, 3, 4 or 9, wherein said housing is made of a metallic or non-metallic material.
13. The fully-enclosed bolt corrosion protection device according to claim 1, wherein a transparent window is further arranged on the protection cover, and a transparent plate is covered or embedded on the transparent window.
14. The all-around bolt corrosion protection device according to claim 1, wherein the shape of the protective cover is an arbitrary shape.
15. The all-around bolt corrosion protection device according to claim 1 or 14, wherein the upper center of the protection cover is higher and lower to form an inclined plane structure.
16. The fully-enclosed bolt corrosion protection device according to claim 1, 2, 3, 4, 9, 13 or 14, wherein a protective sleeve closely contacting with the shape of the nut-washer combined structure is further arranged outside the nut-washer combined structure of the bolt-nut combined structure on the base flange.
17. The bolt corrosion protection device of claim 16, wherein the body of the protective sleeve is a stepped sleeve structure, the inner wall surface of the upper section of the stepped sleeve structure is a cylindrical surface matched with the gasket, the inner wall surface of the middle section of the stepped sleeve structure is a hexagonal prism surface matched with the nut, and the inner wall surface of the lower section of the stepped sleeve structure is provided with an internal thread structure matched with the bolt.
18. The bolt corrosion protection device of claim 16, wherein grease is filled between said protective sleeve and the corresponding nut and washer combination and bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920443311.3U CN209818502U (en) | 2019-04-03 | 2019-04-03 | Full-surrounding type bolt anti-corrosion protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920443311.3U CN209818502U (en) | 2019-04-03 | 2019-04-03 | Full-surrounding type bolt anti-corrosion protection device |
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| Publication Number | Publication Date |
|---|---|
| CN209818502U true CN209818502U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920443311.3U Active CN209818502U (en) | 2019-04-03 | 2019-04-03 | Full-surrounding type bolt anti-corrosion protection device |
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| CN (1) | CN209818502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942952A (en) * | 2021-02-02 | 2021-06-11 | 贵州电网有限责任公司 | Weather-proof protective device for bolted connection node of steel tower |
-
2019
- 2019-04-03 CN CN201920443311.3U patent/CN209818502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942952A (en) * | 2021-02-02 | 2021-06-11 | 贵州电网有限责任公司 | Weather-proof protective device for bolted connection node of steel tower |
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