CN219774553U - Threaded self-cutting anchor bolt capable of being spliced - Google Patents
Threaded self-cutting anchor bolt capable of being spliced Download PDFInfo
- Publication number
- CN219774553U CN219774553U CN202321037919.9U CN202321037919U CN219774553U CN 219774553 U CN219774553 U CN 219774553U CN 202321037919 U CN202321037919 U CN 202321037919U CN 219774553 U CN219774553 U CN 219774553U
- Authority
- CN
- China
- Prior art keywords
- self
- anchor bolt
- external thread
- anchor
- tapping external
- 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
- 238000010079 rubber tapping Methods 0.000 claims abstract description 36
- 238000010276 construction Methods 0.000 abstract description 14
- 238000009435 building construction Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910000010 zinc carbonate Inorganic materials 0.000 description 2
- 235000004416 zinc carbonate Nutrition 0.000 description 2
- 239000011667 zinc carbonate Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of bridge building construction, in particular to a spliced thread self-cutting anchor bolt which comprises an anchor bolt, a self-tapping external thread and a hexagonal head, wherein one end of the anchor bolt is fixedly connected with the self-tapping external thread, the other end of the anchor bolt is connected with the hexagonal head, the outer side of a thread ring of the self-tapping external thread is flush with the outer side of the anchor bolt, a threaded rod is fixedly connected with one side of the self-tapping external thread connected with the anchor bolt, a threaded hole matched with the threaded rod is formed in the anchor bolt, the anchor bolt is rotated through the hexagonal head by adopting the cooperation of the anchor bolt, the self-tapping external thread and the hexagonal head, and then the anchor bolt is screwed into a pre-drilled anchor hole of a bridge hollow plate through the self-tapping external thread, so that the anchor bolt is anchored, the construction operation time is saved, and the time and the labor are saved.
Description
Technical Field
The utility model relates to the technical field of bridge building construction, in particular to a spliced threaded self-cutting anchor bolt.
Background
The existing thread self-cutting anchor bolt for the spliced wide bridge does not need a special reaming bit, is convenient to install and use, has safe and reliable characteristics, can be stressed by screwing, and ensures the safety of an anchor when the embedded depth is insufficient when the anchor bolt is screwed to an installation and use torque; the tensile and shear capacities in long loads, cyclic loads and seismic forces can be met.
The utility model discloses a Chinese patent with publication number of CN214837671U, which discloses a thread self-cutting anchor bolt for a spliced wide bridge, relating to the technical field of bridge building construction, comprising an anchor bolt, a hexagon head and self-tapping external threads; one end of the anchor rod is provided with a hexagon head, and the opposite side diameter of the hexagon head is equal to the diameter of the anchor rod; the other end of the anchor rod is provided with a self-tapping external thread, and a rod body between the anchor rod corresponding to the hexagonal head and the self-tapping external thread is a welding part of a polished rod structure;
in the above patent, the anchor rod is screwed into the pre-drilled anchor hole of the bridge hollow slab to complete the anchoring, so that the construction time is saved, the time and the labor are saved, the load bearing durability is good, the influence of the environmental temperature is avoided, and the all-weather construction operation can be realized; the welding performance and the fireproof performance have small influence, and are safer and more reliable than the traditional bar planting scheme, but the anchor rod is of an integrated structure, so that the anchor rod is inconvenient to install or replace.
Disclosure of Invention
The utility model provides a spliced threaded self-cutting anchor bolt, which adopts the cooperation of an anchor bolt, a self-tapping external thread and a hexagonal head, rotates the anchor bolt through the hexagonal head, and then makes the anchor bolt screw into a pre-drilled anchor hole of a bridge hollow slab through the self-tapping external thread to complete the anchoring, thereby saving the construction operation time and saving time and labor.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a but screw thread self-cutting crab-bolt of concatenation, includes stock, self-tapping external screw thread and hexagon head, the one end fixedly connected with self-tapping external screw thread of stock, self-tapping external screw thread with one side fixedly connected with threaded rod that the stock is connected, the stock is inside to be seted up with threaded rod assorted screw hole, the inside wall of screw hole and the lateral wall threaded connection of threaded rod; the other end of stock is connected with the hexagon head, the stock is provided with the fixture block with the one end that the hexagon head is connected, set up in the hexagon head with fixture block assorted draw-in groove, the lateral wall of fixture block with the inner wall card and the connection of draw-in groove.
Further, the outer side of the thread ring of the self-tapping external thread is flush with the outer side of the anchor rod.
Further, the outer side of the self-tapping external thread is sprayed with a first galvanized layer, and the outer side of the anchor rod is sprayed with a second galvanized layer.
Compared with the prior art, the utility model has the following technical progress:
1. according to the utility model, the anchor rod, the self-tapping external screw thread and the hexagon head are matched, the anchor rod is rotated through the hexagon head, and then the anchor rod is screwed into the pre-drilled anchor hole of the bridge hollow slab through the self-tapping external screw thread, so that the anchoring is completed, the construction operation time is saved, and the time and the labor are saved.
2. The utility model is not affected by the environmental temperature, can perform all-weather construction operation, is safer and more reliable than the traditional reinforcement scheme, can be quickly transferred into the pre-drilled anchor hole of the bridge hollow slab through self-tapping external threads, is convenient for people to use, and reduces the construction time.
3. The first galvanized layer and the second galvanized layer are not easy to change in dry air, and a compact zinc carbonate protective film can be formed on the surface of the first galvanized layer and the second galvanized layer in a wet environment so as to prevent steel from being corroded, and the self-cutting anchor bolt can be effectively protected.
4. According to the utility model, the self-cutting anchor bolt is divided into two parts by the way that the threaded rod is turned into the threaded hole, so that the fracture at the joint is prevented, the use of the self-cutting anchor bolt is influenced, the use efficiency of the self-cutting anchor bolt is further improved, and the construction operation time is saved.
Drawings
FIG. 1 is a schematic perspective view of a structural bolt of the present utility model;
FIG. 2 is a schematic cross-sectional view of a self-tapping external thread of the present utility model;
FIG. 3 is a schematic cross-sectional view of a hex head of the present utility model;
fig. 4 is a schematic cross-sectional view of a structural threaded rod of the present utility model.
In the figure: 1. a bolt; 2. self-tapping external threads; 3. a hexagonal head; 4. a first zinc coating layer; 5. a second zinc coating layer; 6. a clamping block; 7. a clamping groove; 8. a threaded hole; 9. a threaded rod.
Detailed Description
The utility model is further illustrated by the following examples:
as shown in fig. 1-4, as shown in fig. 1, the spliced threaded self-cutting anchor bolt of the embodiment comprises an anchor rod 1, a self-tapping external thread 2 and a hexagonal head 3, wherein one end of the anchor rod 1 is fixedly connected with the self-tapping external thread 2, one side, connected with the anchor rod 1, of the self-tapping external thread 2 is fixedly connected with a threaded rod 9, a threaded hole 8 matched with the threaded rod 9 is formed in the anchor rod 1, and the inner side wall of the threaded hole 8 is in threaded connection with the outer side wall of the threaded rod 9; the other end of stock 1 is connected with hexagon head 3, and stock 1 is provided with fixture block 6 with the one end that hexagon head 3 is connected, offered in the hexagon head 3 with fixture block 6 assorted draw-in groove 7, the lateral wall of fixture block 6 with the inner wall card of draw-in groove 7 with be connected.
The anchor rod 1 is rotated through the hexagon head 3, the anchor rod 1 is screwed into the pre-drilled anchor hole of the bridge hollow slab through the self-tapping external thread 2, the anchor is completed, the construction operation time is saved, the time and the labor are saved, the influence of the environmental temperature is avoided, the all-weather construction operation can be realized, and the method is safer and more reliable than the traditional bar planting scheme. After the threaded rod 9 is turned into the threaded hole 8, the self-cutting anchor bolt is divided into two parts in the mode, and the existing self-cutting anchor bolt is mostly longer, so that the self-cutting anchor bolt is prevented from bending before being used, the self-cutting anchor bolt can be possibly damaged, the service efficiency of the self-cutting anchor bolt is improved, and the construction operation time is saved. One end of the anchor rod 1 is welded with the hexagon head 3, so that the clamping block 6 is firmly clamped inside the first galvanized layer 4, breakage of the connecting part is prevented, and the use of the self-cutting anchor rod is affected.
Further, the outer side of the thread ring of the self-tapping external thread 2 is flush with the outer side of the anchor rod 1.
The self-tapping external thread 2 can be quickly transferred into the pre-drilled anchoring hole of the bridge hollow slab, so that the self-tapping hollow slab is convenient for people to use, and the construction time is shortened.
Further, a first galvanized layer 4 is sprayed on the outer side of the self-tapping external thread 2, and a second galvanized layer 5 is sprayed on the outer side of the anchor rod 1.
The first galvanized layer 4 and the second galvanized layer 5 are not easy to change in dry air, and a compact zinc carbonate protective film can be formed on the surface in a wet environment so as to prevent steel from being corroded, and the self-cutting anchor bolt can be effectively protected.
The working principle of the thread self-cutting anchor bolt for the spliced wide bridge is as follows:
as shown in figures 1-4, when in use, the steel bar detector is used for nondestructive detection of the bridge hollow slab, the concrete surface is marked, then the steel bar position in the bridge hollow slab is avoided for positioning and lofting, the electric hammer with hammering function and depth setting function is used for drilling, the electric hammer is required to be kept vertical to the concrete surface during drilling, then the blowing cylinder, the blowing hole cleaner and other devices are used for blowing out powder in the hole, then the hairbrush or the steel brush is used for cleaning scum on the hole wall, after the scum is firmly clamped in the first galvanized layer 4 through the clamping block 6, one end of the anchor rod 1 is welded with the hexagonal head 3, the steel corrosion is prevented by the first galvanized layer 4 and the second galvanized layer 5, the screw rod 9 is transferred into the threaded hole 8, the self-cutting anchor bolt is divided into two parts in the mode, and the existing self-cutting anchor bolt is mostly longer, so that the self-cutting anchor bolt is prevented from bending before being used, the damage of the self-cutting anchor bolt can be possibly caused, the anchor bolt 1 is rotated through the hexagon head 3, the anchor bolt 1 is screwed into the anchor hole of the bridge hollow plate through the self-tapping external screw thread 2 to complete the anchoring, the construction operation time is saved, the time and the labor are saved, the influence of the environmental temperature is avoided, and the all-weather construction operation can be realized.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (3)
1. The utility model provides a but screw thread self-cutting crab-bolt of concatenation which characterized in that: the self-tapping type anchor rod comprises an anchor rod (1), a self-tapping external thread (2) and a hexagon head (3), wherein one end of the anchor rod (1) is fixedly connected with the self-tapping external thread (2), one side, connected with the anchor rod (1), of the self-tapping external thread (2) is fixedly connected with a threaded rod (9), a threaded hole (8) matched with the threaded rod (9) is formed in the anchor rod (1), and the inner side wall of the threaded hole (8) is in threaded connection with the outer side wall of the threaded rod (9); the other end of stock (1) is connected with hexagon head (3), the one end that stock (1) and hexagon head (3) are connected is provided with fixture block (6), set up in hexagon head (3) with fixture block (6) assorted draw-in groove (7), the lateral wall of fixture block (6) with the inner wall card of draw-in groove (7) is connected.
2. The splice-type threaded self-cutting anchor of claim 1, wherein: the outer side of the thread ring of the self-tapping external thread (2) is flush with the outer side of the anchor rod (1).
3. The splice-type threaded self-cutting anchor of claim 1, wherein: the outer side of the self-tapping external thread (2) is sprayed with a first galvanized layer (4), and the outer side of the anchor rod (1) is sprayed with a second galvanized layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321037919.9U CN219774553U (en) | 2023-05-04 | 2023-05-04 | Threaded self-cutting anchor bolt capable of being spliced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321037919.9U CN219774553U (en) | 2023-05-04 | 2023-05-04 | Threaded self-cutting anchor bolt capable of being spliced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774553U true CN219774553U (en) | 2023-09-29 |
Family
ID=88102967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321037919.9U Active CN219774553U (en) | 2023-05-04 | 2023-05-04 | Threaded self-cutting anchor bolt capable of being spliced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774553U (en) |
-
2023
- 2023-05-04 CN CN202321037919.9U patent/CN219774553U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109209455B (en) | Expansion shell type prestress hollow grouting anchor rod with slurry blocking plug | |
| CN110565860B (en) | Connecting system of prefabricated assembled wood-concrete combined structure | |
| JP4420942B2 (en) | Scaffolding bracket protection member | |
| CN204983199U (en) | Screw thread subassembly and corresponding building templates for building templates | |
| CN219774553U (en) | Threaded self-cutting anchor bolt capable of being spliced | |
| CN105064676A (en) | Twisted bolt as well as a building template and building external wall insulation construction method | |
| CN101397815B (en) | Construction method of pull rod expansion screw bolt post embedding wall lacing wire | |
| CN108867886B (en) | Node in bolt reinforcing bar bolt prefabricated assembly timber structure beam column | |
| JP2006016952A (en) | Anchor, method for temporarily fixing it, and temporary fixing structure using the same | |
| CN108867873B (en) | Bolt reinforcing steel bar bolt prefabricated assembly wood structure beam column side node | |
| CN214837671U (en) | Thread self-cutting anchor bolt for splicing wide bridge | |
| CN217326243U (en) | Wall leveling structure | |
| CN114351879A (en) | Anchoring device and anchoring method for external thermal insulation plate of building external wall | |
| CN212478142U (en) | Combined fixing kit for external wall insulation of passive building steel tube bundle shear wall | |
| CN212297225U (en) | Locking type rag bolt that moves | |
| CN204876349U (en) | Steel bar anchoring device | |
| CN211492281U (en) | Depth control device for opening anchoring holes | |
| CN201184208Y (en) | Coal mine support anchor rod erector | |
| CN219827403U (en) | Removable formula chemical anchor of stock | |
| CN110863567A (en) | Can regulate and control prestressing force steel filling plate bolted connection beam column device | |
| CN110565823A (en) | connecting structure and connecting method for external wall insulation board, wall and abutted seam | |
| CN214302479U (en) | Connect easily to piece together type cavity superstructure component soon | |
| CN204940841U (en) | Bolt and construction formwork can be twisted off | |
| CN215211616U (en) | Integrated plate connecting piece | |
| CN215444687U (en) | Chemical anchor bolt device for outer wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |