CN115653206A - Prestressed carbon fiber reinforced material inner cone type anchorage device and assembling method thereof - Google Patents
Prestressed carbon fiber reinforced material inner cone type anchorage device and assembling method thereof Download PDFInfo
- Publication number
- CN115653206A CN115653206A CN202211653624.4A CN202211653624A CN115653206A CN 115653206 A CN115653206 A CN 115653206A CN 202211653624 A CN202211653624 A CN 202211653624A CN 115653206 A CN115653206 A CN 115653206A
- Authority
- CN
- China
- Prior art keywords
- anchor
- carbon fiber
- threaded
- hole
- prestressed carbon
- 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
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 91
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 91
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000000463 material Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004873 anchoring Methods 0.000 claims abstract description 22
- 230000002787 reinforcement Effects 0.000 claims abstract description 18
- 210000003205 muscle Anatomy 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims 7
- 239000000835 fiber Substances 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Images
Abstract
The invention relates to a prestressed carbon fiber reinforced material inner cone-shaped anchorage device and an assembling method thereof, the anchorage device is used for anchoring the head part of a prestressed carbon fiber rod, the head part sequentially consists of a large cylindrical section, a frustum section and a small cylindrical section, and the anchorage device comprises: prestressing force carbon fiber muscle anchor assembly, it includes: the anchor sleeve mechanism is provided with at least one threaded through hole, the head part of a prestressed carbon fiber rod and an inner conical anchor locking plate are arranged in each threaded through hole, the outer wall of the large cylindrical section is adhered to the inner wall of the threaded through hole, the frustum section and the small cylindrical section are adhered to the inner wall of the inner conical anchor locking plate, and the inner conical anchor locking plate is in threaded connection with the inner wall of the threaded through hole; a pressure plate and a tension rod accommodating space which are sequentially positioned above the large cylindrical section are also arranged in the threaded through hole; and the fastener is connected with the prestressed carbon fiber reinforcement anchoring part. The anchoring performance is stable and reliable, and the loosening and the fracture of the prestressed carbon fiber rod in the tensioning process are avoided.
Description
Technical Field
The invention relates to the technical field of engineering, in particular to a prestressed carbon fiber reinforced material inner cone type anchorage device and an assembling method thereof.
Background
In the recent years, carbon fiber composite materials are widely applied in the technical field of engineering, such as carbon fiber cloth materials, carbon fiber plates, carbon fiber reinforced materials and the like, and the anchorage of carbon fiber composite materials is a subject of research by professional technicians in the field, but the anchorage of carbon fiber reinforced materials is always a difficult problem.
The carbon fiber reinforcement that uses at present all is sharp calabash, for rather than the cooperation, there are two kinds of pattern ground tackle generally on the market now, outer cone type locking plate list bundle anchor and interior cone type ground tackle multibeam crowd anchor pattern, but above-mentioned two kinds of patterns are the mixture that mainly relies on locking plate and colloid and the friction that straight carbon fiber stick extrusion produced and realize the anchor, this anchor mode causes anchor ground tackle very long very thick (its general length is about 25 times of carbon fiber reinforcement effective use diameter usually), in addition, the anchor performance of this kind of anchor mode is not very ideal, the pine often appears in the use takes off, splitting phenomenon.
Disclosure of Invention
The invention aims to provide a prestressed carbon fiber rib inner cone type anchorage and an assembling method thereof.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the utility model provides an interior tapered ground tackle of prestressing force carbon fiber muscle material which is used for the head of anchor prestressing force carbon fiber stick, the head comprises big cylinder section, frustum section and small circle post section in proper order, the ground tackle includes:
prestressing force carbon fiber muscle anchor assembly, it includes: the anchor sleeve mechanism is provided with at least one threaded through hole, the head part of a prestressed carbon fiber rod and an inner conical anchor locking plate are arranged in each threaded through hole, the outer wall of a large cylindrical section of the head part is adhered to the inner wall of the threaded through hole, the frustum section and a small cylindrical section are both adhered to the inner wall of the inner conical anchor locking plate, and the inner conical anchor locking plate is in threaded connection with the inner wall of the threaded through hole; a pressure plate and a tension rod accommodating space which are sequentially positioned above the large cylindrical section are also arranged in the threaded through hole;
and the fastener is connected with the prestressed carbon fiber reinforcement anchoring part.
As an embodiment of the invention, the fastener includes: the locking nut is connected with the prestressed carbon fiber reinforcement anchoring part through the external thread of the anchor sleeve mechanism.
As an embodiment of the invention, the anchor sleeve mechanism is an anchor sleeve on which a threaded through hole is arranged; or the anchor sleeve mechanism is an anchor disc, and a plurality of threaded through holes are formed in the anchor disc.
As an embodiment of the invention, the prestressed carbon fiber rod further comprises a main body, the outer diameter of the main body is equal to the outer diameter of the small cylindrical section, and the large cylindrical section, the frustum section, the small cylindrical section and the main body are integrally formed.
As an embodiment of the invention, the inner tapered anchor locking plate comprises a T-shaped body and an inner tapered through hole arranged inside the T-shaped body, wherein the T-shaped body comprises a cylinder body and a ring body arranged below the cylinder body;
the T-shaped body comprises a barrel body and a ring body located below the barrel body, the outer wall of the barrel body is in threaded connection with the inner wall of the threaded through hole, and the ring body abuts against the outer wall of the lower end of the anchor sleeve mechanism.
As an embodiment of the invention, the outer walls of the frustum section and the small cylindrical section are bonded with the inner wall of the inner conical through hole.
As an embodiment of the invention, the length of the T-shaped body is 5-15 times of the diameter of the smallest inner cone circle in the inner cone-shaped through hole.
As an embodiment of the invention, the internally tapered anchor locking plate is composed of two anchor half locking plates arranged in mirror symmetry.
As an implementation mode of the invention, the material of the inner conical anchor locking plate is 20CrMo steel.
As an embodiment of the invention, the cone angle of the frustum section is 2 to 5 °; the inner taper angle of the inner taper anchor locking plate is 2-5 degrees.
In a second aspect, there is provided a method for assembling a prestressed carbon fiber reinforced material inner cone type anchor as described in the first aspect, comprising the steps of:
after the head of the prestressed carbon fiber rod is coated with bonding glue, the head penetrates through the bottom of a threaded through hole in the anchor sleeve mechanism, so that the top of the large cylindrical section of the head reaches a position which is a certain distance below the top end of the anchor sleeve mechanism;
screwing the inner conical anchor locking plate into the anchor sleeve from the bottom of the threaded through hole, so that the inner conical anchor locking plate is arranged on the outer sides of the frustum section and the small cylindrical section;
putting the top of the threaded through hole into a pressing plate to press the top of the prestressed carbon fiber rod, so that the large cylindrical section is bonded and cured with the inner wall of the anchor sleeve, and the frustum section and the small cylindrical section are bonded and cured with the inner wall of the inner conical anchor locking plate;
repeating the steps until the head part of the prestressed carbon fiber rod and the inner conical anchor locking plate are arranged in all the threaded through holes, so that the prestressed carbon fiber rod, the anchor sleeve mechanism and the inner conical anchor locking plate are bonded into a whole to form the prestressed carbon fiber reinforcement anchoring part;
and (3) penetrating the prestressed carbon fiber reinforcement anchoring piece through the anchor backing plate, and screwing a locking nut on the external thread of the anchor sleeve mechanism.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the invention has provided a prestressed carbon fiber reinforcement material inner cone type anchorage device and its assembly method, this anchorage device is suitable for the head and is made up of large cylindrical section, frustum section and small cylindrical section sequentially prestressed carbon fiber rod, it has realized that prestressed carbon fiber rod, anchor sleeve organization (set up the threaded through hole in it) and inner cone shape anchorage device lock plate make up an entirety-prestressed carbon fiber reinforcement material anchorage device, cooperate with the fastener to realize the anchorage, has greatly reduced the integral volume, cooperate with and stretch the tie rod to realize the stretch-draw, the operation mode is simple and convenient; in addition, the interior toper ground tackle locking plate passes through the screw thread setting in anchor sleeve mechanism's inside, the upper portion of prestressing force carbon fiber rod head bonds with anchor sleeve mechanism, the lower portion bonds with the inner wall of interior toper ground tackle locking plate, adopt this structure to anchor, this anchor mode can resist the deformation of frustum section through interior toper ground tackle locking plate, improve the anchor performance, compare the tradition and only lean on the locking plate or the mode that the frictional force between bonding thing and the straight prestressing force carbon fiber rod realized the anchor, the anchor performance is more reliable and more stable, the problem that the anchor performance is poor has been solved, the emergence of prestressing force carbon fiber rod pine and take off and rupture phenomenon has effectively been avoided.
In addition, the anchor sleeve mechanism can be an anchor sleeve with only one threaded through hole, and can also be an anchor disc with a plurality of threaded through holes, so that the structure can realize the anchoring of a single fiber rod and can also realize the anchoring of a plurality of fiber rods, and the application range of the anchor sleeve mechanism is wider.
Drawings
Fig. 1 is a schematic structural diagram of a prestressed carbon fiber rod according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of an internally tapered anchor of pre-stressed carbon fiber tendon according to an embodiment of the present invention.
FIG. 3 is a bottom view of a prestressed carbon fiber tendon inner cone-shaped anchor according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an anchor sleeve mechanism provided in an embodiment of the present invention.
FIG. 5 is a schematic view of an internally tapered anchor blade according to an embodiment of the present invention.
FIG. 6 is a schematic view of an alternative embodiment of an internally tapered anchor clip according to the present invention.
FIG. 7 is a cross-sectional view of an anchor half-blade according to an embodiment of the present invention.
The device comprises a prestressed carbon fiber rod 1, a main body 1-1, a head 1-2, a large cylindrical section 1-2-1, a frustum section 1-2-2, a small cylindrical section 1-2-3, a threaded through hole 2, an anchor sleeve 201, an anchor disc 202, an inner conical anchor locking plate 3-1T-shaped body, a barrel 3-1-1, a ring body 3-1-2, an inner conical through hole 3-2, an anchor backing plate 4, a locking nut 5, an adhesive glue 6, a pressing plate 7 and a tension rod 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail and fully with reference to the following embodiments.
Example 1
The embodiment of the invention provides a prestressed carbon fiber reinforced material inner cone-shaped anchorage device which is used for anchoring a head part 1-2 of a prestressed carbon fiber rod, as shown in figure 1, the prestressed carbon fiber rod comprises a main body 1-1 and the head part 1-2, the head part 1-2 sequentially comprises a large cylindrical section 1-2-1, a frustum section 1-2-2 and a small cylindrical section 1-2-3, the outer diameter of the main body 1-1 of the prestressed carbon fiber rod is equal to that of the small cylindrical section 1-2-3, and the large cylindrical section 1-2-1, the frustum section 1-2-2, the small cylindrical section 1-2-3 and the main body 1-1 are integrally formed.
The anchor is constructed as shown in figures 2 to 3 and comprises:
prestressing force carbon fiber muscle anchor assembly, it includes: the anchor sleeve mechanism is provided with at least one threaded through hole 2, the head part 1-2 of a prestressed carbon fiber rod and an inner conical anchor locking plate 3 are arranged in each threaded through hole 2, the outer wall of a large cylindrical section 1-2-1 of the head part is adhered to the inner wall of the threaded through hole 2, the frustum section 1-2-2 and a small cylindrical section 1-2-3 are adhered to the inner wall of the inner conical anchor 3, and the inner conical anchor locking plate 3 is in threaded connection with the inner wall of the threaded through hole 2; a pressure plate 7 and a tension rod accommodating space which are sequentially positioned above the large cylindrical section 1-2-1 are also arranged in the threaded through hole 2;
a fastener, the fastener comprising: the anchor backing plate 4 and lock nut 5, lock nut 5 pass through the external screw thread of anchor sleeve mechanism with prestressing force carbon fiber reinforcement anchor assembly is connected.
The prestressed carbon fiber reinforced material inner cone-shaped anchorage device provided by the embodiment of the invention is suitable for an anchoring scene. Before use, the anchorage device can be assembled according to the following steps:
after the head part 1-2 of the prestressed carbon fiber rod is coated with the adhesive, the head part penetrates through the bottom of the threaded through hole 2 on the anchor sleeve mechanism, so that the top part of the large cylindrical section 1-2-1 reaches a position below the top end (also the top end of the threaded through hole 2) of the anchor sleeve mechanism at a certain distance, as shown in fig. 2, the top part of the large cylindrical section 1-2-1 of the head part reaches a position x below the top end of the anchor sleeve mechanism, and the x can be 3cm-7cm, preferably 5cm.
Screwing the inner conical anchor locking plate 3 into the anchor sleeve mechanism from the bottom of the threaded through hole 2, so that the inner conical anchor locking plate 3 is arranged on the outer sides of the frustum section 1-2-2 and the small cylindrical section 1-2-3;
putting a pressing plate 7 into the top of the threaded through hole 2 to press the top of the prestressed carbon fiber rod 1, so that the large cylindrical section 1-2-1 at the head part is bonded and cured with the inner wall of the anchor sleeve mechanism, and the frustum section 1-2-2 and the small cylindrical section 1-2-3 are bonded and cured with the inner wall of the inner conical anchor locking plate 3, thereby bonding the prestressed carbon fiber rod 1, the anchor sleeve and the inner conical anchor locking plate 3 into a whole to form the prestressed carbon fiber reinforcement anchoring member;
and (3) penetrating the prestressed carbon fiber reinforcement anchoring piece through the anchor backing plate 4, and screwing the locking nut 5 on the external thread of the anchor sleeve mechanism.
Of course, as shown in fig. 1, the prestressed carbon fiber rod 1 is generally provided with two heads 1-2, so that two anchors according to the present invention are generally required to be used, so that each anchor anchors one head 1-2 of the prestressed carbon fiber rod, thereby completing the anchoring of the whole prestressed carbon fiber rod 1. In addition, after the anchoring is finished, the prestressed carbon fiber rod 1 needs to be tensioned, a tension rod is screwed in from the top of the anchor sleeve mechanism during tensioning, the tension rod is pulled to the anchorage device to move, namely, the designed tensioning moment is reached, the locking nut 5 is screwed, and the tensioning process is finished after the tension rod is dismounted.
The invention provides a prestressed carbon fiber reinforced material inner cone-shaped anchorage device, which is suitable for a prestressed carbon fiber rod with a head part sequentially consisting of a large cylindrical section, a frustum section and a small cylindrical section, and realizes that the prestressed carbon fiber rod, an anchor sleeve mechanism (provided with a threaded through hole inside) and an inner cone-shaped anchorage device locking plate form an integral prestressed carbon fiber reinforced material anchorage device, and the anchorage can be realized by matching with a fastening piece, so that the integral volume is greatly reduced, the tensioning can be realized by matching with a tensioning rod, and the use mode is simple and convenient;
in addition, the interior toper ground tackle locking plate passes through the screw thread setting in anchor sleeve mechanism's inside, the upper portion of prestressing force carbon fiber rod head bonds with anchor sleeve mechanism, the lower portion bonds with the inner wall of interior toper ground tackle locking plate, adopt this structure to anchor, this anchor mode can resist the deformation of frustum section through interior toper ground tackle locking plate, improve the anchor performance, compare the tradition and only lean on the locking plate or the mode that the frictional force between bonding thing and the straight prestressing force carbon fiber rod realized the anchor, the anchor performance is more reliable and more stable, the problem that the anchor performance is poor has been solved, the emergence of prestressing force carbon fiber rod pine and take off and rupture phenomenon has effectively been avoided.
The present invention will be further described below with respect to the structure of the anchor sleeve mechanism and the locking plate 3 of the internally tapered anchor.
The structure of the anchor mechanism may be either of the following two structures.
In the first type, as shown in fig. 2 and 3, the anchor sleeve mechanism is an anchor sleeve 201, which is provided with a threaded through hole 2, so that the single-bundle prestressed carbon fiber rod can be anchored.
Secondly, as shown in fig. 4, the anchor sleeve mechanism is an anchor disc 202, on which a plurality of threaded through holes 2 are arranged, so that the anchoring of a plurality of prestressed carbon fiber rods can be realized.
According to the anchorage device provided by the invention, the anchorage sleeve structures with different structures are arranged, so that the anchorage device can realize the anchorage of a single fiber rod and can also realize the anchorage of a plurality of fiber rods, and the application range is enlarged.
Regarding the structure of the inner tapered anchor locking plate 3, in one possible implementation, as shown in fig. 5 and 6, the inner tapered anchor locking plate 3 comprises a T-shaped body 3-1 and an inner tapered through hole 3-2 arranged inside thereof, the T-shaped body 3-1 comprises a cylinder 3-1-1 and a ring body 3-1-2 located below the cylinder 3-1-1; the length of the T-shaped body 3-1 is preferably 5 to 15 times the diameter of the smallest inner cone in the inner cone-shaped through hole 3-2.
In the foregoing case, for the convenience of connection, as shown in fig. 2, the inner wall of the threaded through hole 2 is in threaded connection with the outer wall of the cylinder 3-1-1, and the outer walls of the frustum section 1-2-2 and the small cylindrical section 1-2-3 are bonded with the inner wall of the inner tapered through hole 3-2; the ring body 3-1-2 is abutted against the outer wall of the lower end of the anchor sleeve mechanism.
Specifically, when the anchor sleeve mechanism is the anchor sleeve 201, the ring body 3-1-2 abuts against the outer wall of the lower end of the anchor sleeve 201; when the anchor sleeve mechanism is the anchor disc 202, the ring bodies 3-1-2 of the plurality of the inner conical anchor locking plates are all abutted against the outer wall of the lower end of the anchor disc 202.
Further, as shown in fig. 2-5, the inner tapered anchor locking piece 3 is composed of two anchor half locking pieces arranged in mirror symmetry, the cross-sectional view of the anchor half locking pieces is shown in fig. 6, the two anchor half locking pieces can be connected by screw threads or other connection modes meeting the requirements, and the invention is not limited to this.
The material of the inner conical anchor locking plate 3 and the inner conical angle of the inner conical anchor locking plate 3 are not particularly limited, and the inner conical anchor locking plate 3 is made of 20CrMo steel, so that the strength is higher; in addition, when the cone angle (i.e., alpha in fig. 1) of the frustum section 1-2-2 of the head portion 1-2 of the prestressed carbon fiber rod is 2 to 5 degrees, the inner cone angle (i.e., theta in fig. 7) of the locking plate 3 of the inner cone-shaped anchorage is 2 to 5 degrees.
Example 2
The embodiment of the invention provides an assembling method of a prestressed carbon fiber reinforced material inner cone-shaped anchorage device as described in embodiment 1, which comprises the following steps:
after the head part 1-2 of the prestressed carbon fiber rod is connected with glue, the head part is penetrated through the bottom of a threaded through hole 2 on the anchor sleeve mechanism, so that the top of the large cylindrical section 1-2-1 of the head part reaches a position below the top end of the anchor sleeve mechanism by a certain distance;
screwing the inner conical anchor locking plate 3 into the anchor sleeve 201 from the bottom of the threaded through hole 2, so that the inner conical anchor locking plate 3 is arranged on the outer sides of the frustum section 1-2-2 and the small cylindrical section 1-2-3;
a pressing plate 7 is placed at the top of the threaded through hole 2 to press the top of the prestressed carbon fiber rod 1, so that the large cylindrical section 1-2-1 is bonded and cured with the inner wall of the anchor sleeve 201, and the frustum section 1-2-2 and the small cylindrical section 1-2-3 are bonded and cured with the inner wall of the inner conical anchor locking plate 3;
repeating the steps until the head parts 1-2 of the prestressed carbon fiber rods and the inner conical anchor locking plates 3 are arranged in all the threaded through holes 2, so that the prestressed carbon fiber rods, the anchor sleeve mechanism and the inner conical anchor locking plates are bonded into a whole to form the prestressed carbon fiber reinforcement anchoring part;
and (3) penetrating the prestressed carbon fiber reinforcement anchoring piece through the anchor backing plate 4, and screwing the locking nut 5 on the external thread of the anchor sleeve mechanism.
Claims (10)
1. The utility model provides an interior conical anchorage of prestressing force carbon fiber muscle material which characterized in that, it is used for the head (1-2) of anchor prestressing force carbon fiber stick, head (1-2) in proper order by big cylinder section (1-2-1), frustum section (1-2-2) and small circle cylinder section (1-2-3) constitute, the ground tackle includes:
prestressing force carbon fiber muscle anchor assembly, it includes: the anchor sleeve mechanism is provided with at least one threaded through hole (2), the head of a prestressed carbon fiber rod and an inner conical anchor locking plate (3) are arranged in each threaded through hole (2), the outer wall of a large cylindrical section (1-2-1) of the head is adhered to the inner wall of the threaded through hole (2), the frustum sections (1-2-2) and small cylindrical sections (1-2-3) are adhered to the inner wall of the inner conical anchor locking plate (3), and the inner conical anchor locking plate (3) is in threaded connection with the inner wall of the threaded through hole (2); a pressure plate (7) and a tension rod accommodating space which are sequentially positioned above the large cylindrical section (1-2-1) are also arranged in the threaded through hole (2);
and the fastener is connected with the prestressed carbon fiber reinforcement anchoring part.
2. The prestressed carbon fiber reinforced plastic internal tapered anchor device as claimed in claim 1, wherein said anchor sleeve mechanism is an anchor sleeve (201) provided with a threaded through hole; or the anchor sleeve mechanism is an anchor disc (202) provided with a plurality of threaded through holes.
3. The internal conical anchorage of the prestressed carbon fiber reinforced plastic material as claimed in claim 1, wherein the prestressed carbon fiber rod further comprises a main body (1-1), the outer diameter of the main body (1-1) is equal to the outer diameter of the small cylindrical section (1-2-3), and the large cylindrical section (1-2-1), the frustum section (1-2-2), the small cylindrical section (1-2-3) and the main body (1-1) are integrally formed.
4. The prestressed carbon fiber reinforced plastic inner tapered anchor according to claim 1, wherein the inner tapered anchor locking plate (3) comprises a T-shaped body (3-1) and an inner tapered through hole (3-2) arranged inside the T-shaped body;
the T-shaped body (3-1) comprises a cylinder body (3-1-1) and a ring body (3-1-2) located below the cylinder body (3-1-1), the outer wall of the cylinder body (3-1-1) is in threaded connection with the inner wall of the threaded through hole (2), and the ring body (3-1-2) abuts against the outer wall of the lower end of the anchor sleeve mechanism.
5. The prestressed carbon fiber reinforced plastic inner cone type anchorage device according to claim 4, wherein the outer walls of the frustum sections (1-2-2) and the small cylindrical sections (1-2-3) are bonded with the inner walls of the inner cone type through holes (3-2).
6. The prestressed carbon fiber reinforced plastic inner tapered anchorage device as claimed in claim 4, wherein the length of the T-shaped body (3-1) is 5-15 times of the diameter of the smallest inner taper in the inner tapered through hole (3-2).
7. The prestressed carbon fiber reinforced plastic inner tapered anchor according to claim 1, wherein the inner tapered anchor locking plate (3) is composed of two anchor half locking plates arranged in mirror symmetry; the inner conical anchorage locking plate (3) is made of 20CrMo steel.
8. The internally tapered anchor of claim 1, wherein the fastener comprises: the anchor comprises an anchor backing plate (4) and a locking nut (5), wherein the locking nut (5) is connected with the prestressed carbon fiber reinforcement anchoring part through the external thread of the anchor sleeve mechanism.
9. The prestressed carbon fiber reinforced plastic inner cone type anchor device as claimed in claim 1, wherein the cone angle of the frustum section (1-2-2) is 2-5 °; the inner cone angle of the inner cone-shaped anchor locking plate (3) is 2-5 degrees.
10. The method of assembling an internally tapered anchor of any one of claims 1 to 9, further comprising the steps of:
after the head of the prestressed carbon fiber rod is coated with bonding glue, the head penetrates through the bottom of a threaded through hole in the anchor sleeve mechanism, so that the top of the large cylindrical section of the head reaches a position which is a certain distance below the top end of the anchor sleeve mechanism;
screwing the inner conical anchor locking plate into the anchor sleeve from the bottom of the threaded through hole, so that the inner conical anchor locking plate is arranged on the outer sides of the frustum section and the small cylindrical section;
putting the top of the threaded through hole into a pressing plate to press the top of the prestressed carbon fiber rod, so that the large cylindrical section is bonded and cured with the inner wall of the anchor sleeve, and the frustum section and the small cylindrical section are bonded and cured with the inner wall of the inner conical anchor locking plate;
repeating the steps until the head part of the prestressed carbon fiber rod and the inner conical anchor locking plate are arranged in all the threaded through holes, so that the prestressed carbon fiber rod, the anchor sleeve mechanism and the inner conical anchor locking plate are bonded into a whole to form the prestressed carbon fiber reinforcement anchoring part;
and (3) penetrating the prestressed carbon fiber reinforcement anchoring piece through the anchor backing plate, and screwing a locking nut on the external thread of the anchor sleeve mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211653624.4A CN115653206A (en) | 2022-12-22 | 2022-12-22 | Prestressed carbon fiber reinforced material inner cone type anchorage device and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211653624.4A CN115653206A (en) | 2022-12-22 | 2022-12-22 | Prestressed carbon fiber reinforced material inner cone type anchorage device and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115653206A true CN115653206A (en) | 2023-01-31 |
Family
ID=85023639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211653624.4A Pending CN115653206A (en) | 2022-12-22 | 2022-12-22 | Prestressed carbon fiber reinforced material inner cone type anchorage device and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115653206A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH356261A (en) * | 1958-04-30 | 1961-08-15 | Macchi Romualdo | Anchoring device for steel wires, intended for a prestressed structure |
| EP0124661A1 (en) * | 1983-05-03 | 1984-11-14 | SHINKO KOSEN KOGYO KABUSHIKI KAISHA also known as SHINKO WIRE CO. LTD. | An anchorage for a wire strand |
| CN101235663A (en) * | 2008-03-11 | 2008-08-06 | 东南大学 | Clip type anchorage applying to carbon fiber reinforced polymeric material prestressing force rib |
| CN101962978A (en) * | 2010-10-20 | 2011-02-02 | 同济大学 | Shape memory alloy anchoring system |
| CN103276852A (en) * | 2013-05-10 | 2013-09-04 | 周兆弟 | Precast concrete high-tensile fastener |
| CN108301637A (en) * | 2018-04-12 | 2018-07-20 | 贝正河北工程技术有限公司 | A kind of pre-stressed carbon fiber plate wedge shape anchorage |
| CN215926314U (en) * | 2021-10-20 | 2022-03-01 | 中冶建工集团有限公司 | Masonry steel bar planting structure free of grouting |
| CN218040582U (en) * | 2022-07-13 | 2022-12-13 | 太原轨道交通集团有限公司 | Bridge splicing structure for subway monitoring |
| CN115749139A (en) * | 2022-12-22 | 2023-03-07 | 贝正南京工程技术有限公司 | Prestressed carbon fiber bar with two-end conical anchoring end and manufacturing method thereof |
-
2022
- 2022-12-22 CN CN202211653624.4A patent/CN115653206A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH356261A (en) * | 1958-04-30 | 1961-08-15 | Macchi Romualdo | Anchoring device for steel wires, intended for a prestressed structure |
| EP0124661A1 (en) * | 1983-05-03 | 1984-11-14 | SHINKO KOSEN KOGYO KABUSHIKI KAISHA also known as SHINKO WIRE CO. LTD. | An anchorage for a wire strand |
| CN101235663A (en) * | 2008-03-11 | 2008-08-06 | 东南大学 | Clip type anchorage applying to carbon fiber reinforced polymeric material prestressing force rib |
| CN101962978A (en) * | 2010-10-20 | 2011-02-02 | 同济大学 | Shape memory alloy anchoring system |
| CN103276852A (en) * | 2013-05-10 | 2013-09-04 | 周兆弟 | Precast concrete high-tensile fastener |
| CN108301637A (en) * | 2018-04-12 | 2018-07-20 | 贝正河北工程技术有限公司 | A kind of pre-stressed carbon fiber plate wedge shape anchorage |
| CN215926314U (en) * | 2021-10-20 | 2022-03-01 | 中冶建工集团有限公司 | Masonry steel bar planting structure free of grouting |
| CN218040582U (en) * | 2022-07-13 | 2022-12-13 | 太原轨道交通集团有限公司 | Bridge splicing structure for subway monitoring |
| CN115749139A (en) * | 2022-12-22 | 2023-03-07 | 贝正南京工程技术有限公司 | Prestressed carbon fiber bar with two-end conical anchoring end and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201125491Y (en) | Prestress rib fixed end anchorage | |
| WO2015109930A1 (en) | Pre-tensioned centrifugal concrete pile provided with steel strand and manufacturing method | |
| CN104533018A (en) | Prestress tensioning anchorage device for FRP (Fiber Reinforce Plastic) ribs | |
| CN209653222U (en) | A kind of prestressed FRP rebar pre-tensioning system stretch-draw anchor equipment | |
| CN109881842A (en) | A kind of FRP sheet material change chucking power wave-shaped splint anchor | |
| CN201241479Y (en) | Stretching device of prestress FRP rib anchorage | |
| CN108221666B (en) | Compound ground tackle is used to FRP muscle | |
| CN107905126B (en) | Detachable prestressed fiber cloth tensioning and anchoring device | |
| CN202925767U (en) | Low-retraction pre-stressed anchorage device | |
| CN115653206A (en) | Prestressed carbon fiber reinforced material inner cone type anchorage device and assembling method thereof | |
| CN104805841B (en) | A kind of prestressed FRP rebar anchor pole anchor head | |
| CN109057842A (en) | It cuts drawing conversion flexibility and allows pressure shear anchor arm and its construction supporting method | |
| CN206158201U (en) | It contracts to pace up and down can dismantle gripper type ground tackle device | |
| CN109838038A (en) | A kind of prestressing force answers material muscle composite anchorage and its forming method | |
| CN109594721A (en) | A kind of prestressed FRP rebar pre-tensioning system stretch-draw anchor equipment | |
| CN102912987B (en) | Stress applying method and tool thereof for low retraction pre-stress concrete member | |
| CN111472571A (en) | Soil relic reinforcing anchor rod and using method thereof | |
| CN104482007A (en) | Pin-lift bonding anchor bolt | |
| CN110306728A (en) | A kind of FRP tendons anchoring expansion end, processing method and anchoring process | |
| CN113374177B (en) | Anchor device | |
| CN212505856U (en) | Double-helix ladder tooth high-strength prestressed rib anchoring system | |
| CN212359200U (en) | Reverse stretch-draw anchor subassembly of prestressing force FRP board | |
| CN213507833U (en) | Sleeper structure capable of repairing looseness of spike | |
| CN205421038U (en) | A integrated configuration for combination strengthening T roof beam | |
| CN208702439U (en) | Cut drawing conversion flexibility allow pressure shear anchor arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |