CN212836849U - Planting rib anchoring structure - Google Patents
Planting rib anchoring structure Download PDFInfo
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- CN212836849U CN212836849U CN202021187671.0U CN202021187671U CN212836849U CN 212836849 U CN212836849 U CN 212836849U CN 202021187671 U CN202021187671 U CN 202021187671U CN 212836849 U CN212836849 U CN 212836849U
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Abstract
The application relates to a bar-implanted anchoring structure, which belongs to the technical field of concrete structure reinforcement and comprises a drill hole and an implanted bar, wherein the drill hole is arranged on an anchoring foundation; one end of the anchoring section, which is close to the hole bottom of the drilled hole, is a locking end, and the locking end can be tightly attached to the hole wall of the drilled hole after being pressed into the hole bottom of the drilled hole; and the gap between the anchoring section and the hole wall of the drilled hole is filled with bar planting glue. This application sets up the locking end through the tip at the anchor section for the anchor section of implanting the reinforcing bar not only receives the adhesive action that the bar planting glued, utilizes the locking end to produce mechanical locking effect moreover, slows down the degree that falls because of the stability of implanting the reinforcing bar that the bar planting glue is ageing to cause, thereby has strengthened the reliability of implanting the reinforcing bar anchor.
Description
Technical Field
The application relates to the field of concrete structure reinforcement, in particular to a planting rib anchoring structure.
Background
At present, the 'bar planting' technology is a simpler and more effective connecting and anchoring technology aiming at concrete structures, can be implanted with common steel bars and can also be implanted with bolt type anchor bars, and is widely applied to the reinforcement and reconstruction engineering of the existing buildings, such as: the remedy of missing reinforcing steel bars or the deviation of the reinforcing steel bars from the designed position in the construction process is realized, the reinforcing steel bars for reinforcing the cross section are increased by the components, the span of the upper structure is expanded, the beam and the column are lengthened through jacking, the storey-adding column of a house and the embedded steel bars of a shear wall are additionally arranged on a high-rise building, and the like. The construction process of the steel bar planting generally comprises positioning → drilling → hole cleaning → steel bar processing → anchor glue preparation → steel bar planting → curing, protecting → inspection.
The prior Chinese utility model with the publication number of CN208396144U discloses a planting bar anchoring structure, which comprises a first sleeve and a connecting rod; the first sleeve is provided with internal and external threads; one end of the connecting rod is provided with an external thread; the first sleeve is matched with the connecting rod through threads; one end of the reinforced concrete beam, which is far away from the reinforced concrete slab, is also provided with a reinforcing angle steel; one end of the connecting rod, which is far away from the external thread, is connected with the reinforcing angle steel by adopting a second sleeve; the first sleeve is connected in a through hole of the reinforced concrete slab in an anchoring mode through structural adhesive.
In view of the above related technologies, the inventor believes that since the first sleeve and the reinforced concrete layer are anchored by the structural adhesive, the threaded assembly of the first sleeve and the connecting rod needs to be performed after the structural adhesive is cured to reach the strength, although the connection strength between the first sleeves of the connecting rod is increased, and the length of the connecting rod extending into the first sleeve can be adjusted, the connection strength between the first sleeve and the reinforced concrete layer can still be reduced after the structural adhesive between the first sleeve and the reinforced concrete layer is aged, and the stability of the connecting rod is indirectly affected.
SUMMERY OF THE UTILITY MODEL
In order to strengthen the joint strength between implantation reinforcing bar and the reinforced concrete layer, slow down the degree that the stability that implants the reinforcing bar that causes because of the implantation bar glue is ageing simultaneously descends, this application provides a planting muscle anchor structure.
The application provides a planting muscle anchor structure adopts following technical scheme:
the implanted steel bar anchoring structure comprises a drill hole and an implanted steel bar, wherein the drill hole is formed in an anchoring foundation, the implanted steel bar comprises an anchoring section inserted into the drill hole, and a distance is reserved between the anchoring section and the hole wall of the drill hole; one end of the anchoring section, which is close to the bottom of the drilling hole, is a locking end, and the locking end can be tightly attached to the wall of the drilling hole after being pressed into the bottom of the drilling hole; and the gap between the anchoring section and the hole wall of the drilled hole is filled with bar planting glue.
Through adopting above-mentioned technical scheme, when carrying out the bar planting operation on anchor basis, the anchor section of implanting the reinforcing bar not only receives the adhesive action that the bar planting glued, utilizes the locking end to produce mechanical locking effect moreover to the reliability of implanting the reinforcing bar anchor has been strengthened.
Preferably, the locking end is open towards one side of the bottom of the drilling hole; and a plurality of gaps are formed in the side wall of the anchoring section along the circumferential direction of the anchoring section.
By adopting the technical scheme, when the anchoring section is inserted into the drilled hole, the opening is arranged so that certain pressure is applied to the anchoring section on the outer side to enable the locking end to be in contact with the bottom of the drilled hole and deform and expand, and the locking end is enabled to be abutted against the hole wall of the drilled hole after being expanded.
Preferably, the bottom of the drilling hole is provided with a conical block opposite to the opening of the locking end, and the tip of the conical block faces the opening of the locking end.
Through adopting above-mentioned technical scheme, thereby the toper piece can make the locking end outwards open and make the locking end top tighten on the pore wall of drilling to make the auto-lock effect of locking end better.
Preferably, the height of the bottom of the drilled hole is smaller than that of the hole opening, and the anchoring section of the implanted steel bar is bent to match the drilled hole.
Through adopting above-mentioned technical scheme, make the slant setting in drilling of anchor section, reduced the excessive volume of bar planting glue when inserting the drilling with the implantation reinforcing bar, make anchor section and bar planting glue can fully combine to the anchor strength of reinforcing implantation reinforcing bar.
Preferably, the bottom of the drilled hole is provided with an enlarged hole which is coaxial with the drilled hole and has a hole diameter larger than that of the drilled hole, and the locking end can be pressed into the enlarged hole.
Through adopting above-mentioned technical scheme, make locking end enlarge get into behind the enlarged footing can with the enlarged footing block, increase the anchor power of implanting the reinforcing bar to can reduce the anchor degree of depth according to anchor strength, can save the use amount of implanting reinforcing bar and bar planting glue, save the cost.
Preferably, the height of the conical block is greater than the length of the enlarged hole.
By adopting the technical scheme, the conical block is always positioned in the drill hole and cannot slide into the enlarged hole, so that the locking end and the conical block are conveniently aligned.
The embedded steel bar anchoring structure comprises a drill hole and an embedded steel bar, wherein the drill hole is formed in an anchoring foundation, a sleeve is arranged in the drill hole along the axial direction of the drill hole, a gap is reserved between the sleeve and the drill hole, and embedded steel bar glue is filled in the gap between the sleeve and the drill hole; the anchoring section of the implanted steel bar is provided with an external thread, the sleeve is provided with an internal thread matched with the external thread of the anchoring section, and the sleeve is in threaded connection with the anchoring section; and one end of the sleeve close to the bottom of the drilling hole is provided with a locking end which can be tightly attached to the wall of the drilling hole after being pressed into the bottom of the drilling hole.
By adopting the technical scheme, when the steel bar is implanted into the anchoring foundation, the sleeve in threaded connection with the sleeve is inserted into the drill hole, and the locking end at the top of the sleeve deforms under certain pressure to fill the bottom of the drill hole and cling to the hole wall of the drill hole, so that the connection strength of the sleeve and the anchoring foundation is increased, and the anchoring of the implanted steel bar is more stable; the threaded connection mode of the sleeve and the anchoring section is convenient for later-stage adjustment of the implanted steel bars.
Preferably, the locking end is hollow inside, a plurality of openings are formed in the side wall of the locking end along the circumferential direction of the sleeve, an arc block is arranged at the bottom of the drilling hole, and the arc surface of the arc block faces the locking end.
Through adopting above-mentioned technical scheme, make the locking end expand to the periphery under the effect of arc piece, the laminating of locking end and the pore wall of drilling is more fastened.
Preferably, the locking end is hollow, a plurality of gaps are formed in the side wall of the locking end along the circumferential direction of the casing, the locking end is communicated with the casing, an expanding column coaxial with the anchoring section is arranged at one end, facing the bottom of the drilling hole, of the anchoring section, and the expanding column is matched with the locking end.
By adopting the technical scheme, the locking end is expanded by the aid of the expanding column under the matching of the sleeve and the anchoring section, and operation is more convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the locking end is arranged at the end part of the anchoring section, so that the anchoring section implanted with the steel bar is not only subjected to the bonding action of the steel bar planting glue, but also generates a mechanical locking effect by utilizing the locking end, and the stability reduction degree of the implanted steel bar caused by the aging of the steel bar planting glue is reduced, thereby enhancing the anchoring reliability of the implanted steel bar;
2. the expanded hole is formed in the bottom of the drilled hole, so that the locking end can be clamped with the expanded hole after being expanded to enter the expanded hole, the anchoring force of the implanted steel bar is increased, the anchoring depth can be reduced according to the anchoring strength, the use amount of the implanted steel bar and the implanted steel bar adhesive can be saved, and the cost is saved;
3. fix the sleeve pipe in the drilling and set up the internal thread in the sleeve pipe through the setting, make anchor section can threaded connection in the sleeve pipe, conveniently adjust implantation reinforcing bar and change implantation reinforcing bar in the later stage.
Drawings
Fig. 1 is a schematic cross-sectional view of a first embodiment of a bar-planting anchor structure according to the present application;
fig. 2 is a structural diagram of a drill hole of a first embodiment of the bar-planting anchoring structure of the present application;
fig. 3 is a schematic cross-sectional view of a second embodiment of the bar-planting anchor structure of the present application;
fig. 4 is a structural diagram of a drill hole of a second embodiment of the bar-planting anchor structure of the present application;
fig. 5 is a schematic cross-sectional view of a third embodiment of the bar-planting anchor structure of the present application;
fig. 6 is a structural schematic view of the drill holes of the third embodiment and the fourth embodiment of the bar-planting anchor structure of the present application;
fig. 7 is a schematic cross-sectional view of a fourth embodiment of the bar-planting anchor structure of the present application.
Description of reference numerals: 1. implanting steel bars; 11. an anchoring section; 12. a locking end; 121. opening the gap; 13. a sleeve; 14. expanding the column; 2. drilling; 21. enlarging the hole; 3. planting bar glue; 4. A conical block; 41. an arc-shaped block; 5. and (6) anchoring the foundation.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
Example one
The embodiment of the application discloses a planting muscle anchor structure. Referring to fig. 1 and 2, the bar-planting anchoring structure comprises an anchoring base 5, and the anchoring base 5 is a reinforced concrete member. The surface of the anchoring base 5 is provided with a downward inclined drilling 2. An implanted steel bar 1 is arranged in the drill hole 2. The diameter of the implanted steel bar 1 is smaller than the diameter of the bore hole 2. The implanted reinforcement 1 comprises an anchoring section 11 extending into the borehole 2 and a horizontal section extending out of the borehole 2. The anchoring section 11 of the implanted rebar 1 is bent so as to be axially the same as the bore 2, with a certain angle of inclination between the bore 2 and the axis of the horizontal section of the implanted rebar 1.
The end of the anchoring section 11 inserted into the bottom of the bore hole 2 is a locking end 12, and the locking end 12 is cylindrical. The locking end 12 is fixedly connected to the anchoring section 11. Locking end 12 is hollow and to the orientation hole aperture grow gradually that keeps away from the hole bottom towards the inside of hole bottom, and locking end 12 is towards the opening of drilling 2 hole bottom one side. The locking end 12 has an outer diameter no smaller than the diameter of the anchoring section 11 and smaller than the bore diameter of the bore hole 2. A plurality of notches 121 penetrating through the outer wall of the locking end 12 are formed in the outer wall of the locking end 12 at intervals along the circumferential direction. The bottom of the bore 2 is provided with a conical block 4 opposite the locking end 12. The tip of the conical block 4 is directed towards the locking end 12.
The space between the drill hole 2 and the anchoring section 11 of the implanted steel bar 1 is filled with implanted steel bar glue 3.
The implementation principle of the planting bar anchoring structure of the embodiment of the application is as follows: after the drill hole 2 is drilled on the anchoring foundation 5 by a drilling machine, the drill hole 2 is cleaned by a three-brush three-blow method, dust and residues in the drill hole 2 are removed, and then the conical block 4 is placed in the drill hole 2 and is conveyed to the bottom of the drill hole 2. After the bar planting glue 3 is injected into the drill hole 2, the anchoring section 11 of the implanted bar 1 is inserted into the drill hole 2, and the locking end 12 is expanded under the action of the conical block 4, so that the outer wall of the locking end 12 is tightly pressed against the hole wall of the drill hole 2.
In this application, locking end 12 can also be other shapes, also does not have the restriction to the shape of tapered block 4, as long as can expand the outer wall of the locking end 12 who stretches into 2 hole bottoms and make the outer wall top of locking end 12 tightly realize the locking to anchor section 11 on the pore wall of drilling 2.
In this embodiment, drilling 2 slant setting in anchor basis 5 can reduce overflowing of bar planting glue 3, makes bar planting glue 3 and anchor section 11 can fully combine to the slant setting has also restricted the outside pulling out of level of implanting reinforcing bar 1, has improved the tensile strength who implants reinforcing bar 1 and has pulled out, has strengthened the anchoring force of implanting reinforcing bar 1.
In this embodiment, the outer wall of the locking end 12 may be provided with threads or other protrusions to increase the friction between the locking end 12 and the wall of the bore 2.
Example two
The embodiment of the application discloses a planting muscle anchor structure. Referring to fig. 3 and 4, the anchor mechanism of the present embodiment is different from the first embodiment in that an enlarged hole 21 having a diameter larger than that of the drill hole 2 and coaxial with the drill hole 2 is formed at the bottom of the drill hole 2. The tapered block 4 in this embodiment can expand the locking end 12 into the enlarged hole 21 to make the anchoring section 11 more secure in the borehole 2 and less prone to be pulled out of the borehole 2.
The height of the tapered block 4 is greater than the length of the enlarged hole 21 so as to avoid the tapered block 4 falling into the enlarged hole 21 and thus inconveniently aligning the locking end 12 to the tapered block 4.
The implementation principle of the planting bar anchoring structure of the embodiment of the application is as follows: after the drill hole 2 is drilled, a special reamer bit is used to ream the bottom of the drill hole 2 to form an enlarged hole 21. And then putting the conical block 4 into the drill hole 2 and pushing the conical block to the bottom of the drill hole 2, and injecting the bar-planting glue 3 into the drill hole 2. The anchoring section 11 of the implanted steel bar 1 is inserted into the borehole 2, and the locking end 12 is expanded under the action of the tapered block 4, so that the bottom of the locking end 12 is inserted into the expanded hole 21.
EXAMPLE III
The embodiment of the application discloses a planting muscle anchor structure. Referring to fig. 5 and 6, the difference from the first embodiment is that a horizontal bore 2 is formed in the surface of the anchoring base 5. A casing 13 is arranged in the borehole 2 coaxially with the borehole 2. The outer diameter of the casing 13 is smaller than the bore diameter of the borehole 2. The gap between the hole wall of the drilling hole 2 and the sleeve 13 is filled with the bar planting glue 3.
The end of the sleeve 13 at the bottom of the bore 2 is the locking end 12. The locking end 12 is fixedly connected to the sleeve 13. The locking end 12 in this embodiment is tubular and has a plurality of slits 121 formed along the circumference of the locking end 12. The bottom of the bore hole 2 is provided with an arc-shaped piece 41, and the arc surface of the arc-shaped piece 41 deviates from the bottom of the bore hole 2. The inside internal thread that is provided with of sleeve 13, the anchor section 11 of implanting reinforcing bar 1 is provided with the external screw thread that matches with the internal thread of sleeve 13, sleeve 13 and the anchor section 11 threaded connection of implanting reinforcing bar 1.
The implementation principle of the planting bar anchoring structure of the embodiment of the application is as follows: after drilling out drilling hole 2 on anchoring basis 5, put into drilling hole 2 with arc piece 41 and propelling movement to drilling hole 2 hole bottom, later pour into bar planting glue 3 into drilling hole 2 into, insert drilling hole 2 with sleeve pipe 13 of the anchor section 11 threaded connection of implanting reinforcing bar 1 in again, expand locking end 12 and make locking end 12 top tighten on drilling hole 2 pore wall under the effect of arc piece 41.
The threaded connection of the anchoring section 11 of the implanted steel bar 1 and the sleeve 13 in the embodiment facilitates the adjustment of the implanted steel bar 1 under the condition of ensuring the strength of the implanted steel bar.
Example four
The embodiment of the application discloses a planting muscle anchor structure. Referring to fig. 6 and 7, the difference from the third embodiment is that the anchoring section 11 of the implanted steel bar 1 near the bottom of the bore hole 2 is a tapered expanding column 14, and the expanding column 14 is matched with the locking end 12 of the sleeve 13. The expanding column 14 is fixedly connected with the anchoring section 11. The locking end 12 communicates with a sleeve 13.
The implementation principle of the planting bar anchoring structure of the embodiment of the application is as follows: after drilling the drill hole 2 on the anchoring foundation 5, the bar planting glue 3 is injected into the drill hole 2. Screwing the anchoring section 11 implanted with the steel bar 1 into the sleeve 13 for a certain distance until the expanding column 14 touches the locking end 12, then inserting the sleeve 13 into the drill hole 2, finally, relatively rotating the sleeve 13 and the anchoring section 11 to enable the expanding column 14 to be inserted into the locking end 12 to expand the locking end 12, and enabling the locking end 12 to be tightly pressed against the hole wall of the drill hole 2.
In this embodiment, the locking end 12 of the sleeve 13 is enlarged by the implanted reinforcement 1, eliminating the need to pre-position the enlarged locking end 12 into the borehole 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a bar planting anchor structure, includes drilling (2) and implantation reinforcing bar (1) of seting up on anchor basis (5), its characterized in that: the embedded steel bar (1) comprises an anchoring section (11) inserted into the drill hole (2), and a distance is reserved between the anchoring section (11) and the hole wall of the drill hole (2); one end of the anchoring section (11) close to the bottom of the drill hole (2) is a locking end (12), and the locking end (12) can be tightly attached to the wall of the drill hole (2) after being pressed into the bottom of the drill hole (2); and the gap between the anchoring section (11) and the hole wall of the drill hole (2) is filled with bar planting glue (3).
2. The tendon-planting anchoring structure according to claim 1, wherein: the locking end (12) is opened towards one side of the bottom of the drill hole (2); a plurality of gaps (121) are arranged on the side wall of the anchoring section (11) along the circumferential direction of the anchoring section (11).
3. The tendon-planting anchoring structure according to claim 2, wherein: the bottom of the drilling hole (2) is provided with a conical block (4) opposite to the opening of the locking end (12), and the tip of the conical block (4) faces the opening of the locking end (12).
4. The tendon-planting anchoring structure according to claim 1, wherein: the height of the bottom of the drill hole (2) is smaller than that of the hole opening, and the anchoring section (11) of the implanted steel bar (1) is bent to be matched with the drill hole (2).
5. The tendon-planting anchoring structure according to claim 3, wherein: the bottom of the drilling hole (2) is provided with an enlarged hole (21) which is coaxial with the drilling hole (2) and has a hole diameter larger than that of the drilling hole (2), and the locking end (12) can be pressed into the enlarged hole (21).
6. The tendon-planting anchoring structure according to claim 5, wherein: the height of the conical block (4) is larger than the length of the expanding hole (21).
7. The utility model provides a bar planting anchor structure, includes drilling (2) and implantation reinforcing bar (1) of seting up on anchor basis (5), its characterized in that: a sleeve (13) axially arranged along the drill hole (2) is arranged in the drill hole (2), a gap is reserved between the sleeve (13) and the drill hole (2), and bar-planting glue (3) is filled in the gap between the sleeve (13) and the drill hole (2); the anchoring section (11) of the implanted steel bar (1) is provided with an external thread, the sleeve (13) is provided with an internal thread matched with the external thread of the anchoring section (11), and the sleeve (13) is in threaded connection with the anchoring section (11); and one end of the sleeve (13) close to the hole bottom of the drill hole (2) is provided with a locking end (12) which can be tightly attached to the hole wall of the drill hole (2) after being pressed into the hole bottom of the drill hole (2).
8. The tendon-planting anchoring structure according to claim 7, wherein: the locking end (12) is hollow inside, a plurality of openings (121) are formed in the side wall of the locking end (12) along the circumferential direction of the sleeve (13), an arc-shaped block (41) is arranged at the bottom of the hole of the drilling hole (2), and the arc surface of the arc-shaped block (41) faces the locking end (12).
9. The tendon-planting anchoring structure according to claim 7, wherein: the locking end (12) is hollow, a plurality of gaps (121) are formed in the side wall of the locking end (12) along the circumferential direction of the sleeve (13), the locking end (12) is communicated with the sleeve (13), an expanding column (14) coaxial with the anchoring section (11) is arranged at one end, facing the bottom of the drilled hole (2), of the anchoring section (11), and the expanding column (14) is matched with the locking end (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021187671.0U CN212836849U (en) | 2020-06-23 | 2020-06-23 | Planting rib anchoring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021187671.0U CN212836849U (en) | 2020-06-23 | 2020-06-23 | Planting rib anchoring structure |
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| Publication Number | Publication Date |
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| CN212836849U true CN212836849U (en) | 2021-03-30 |
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| CN202021187671.0U Active CN212836849U (en) | 2020-06-23 | 2020-06-23 | Planting rib anchoring structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045529A (en) * | 2022-07-20 | 2022-09-13 | 中建八局第二建设有限公司 | Vertical embedded steel bar, vertical embedded steel bar fixing construction method and embedded steel bar processing device |
| CN115075608A (en) * | 2022-07-28 | 2022-09-20 | 北京建工四建工程建设有限公司 | Reinforced concrete foundation beam section-enlarged mechanical connection bar planting method |
-
2020
- 2020-06-23 CN CN202021187671.0U patent/CN212836849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045529A (en) * | 2022-07-20 | 2022-09-13 | 中建八局第二建设有限公司 | Vertical embedded steel bar, vertical embedded steel bar fixing construction method and embedded steel bar processing device |
| CN115075608A (en) * | 2022-07-28 | 2022-09-20 | 北京建工四建工程建设有限公司 | Reinforced concrete foundation beam section-enlarged mechanical connection bar planting method |
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