CN213449605U - Anchor system capable of achieving double-tensioning of prestressed carbon fiber plates - Google Patents
Anchor system capable of achieving double-tensioning of prestressed carbon fiber plates Download PDFInfo
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- CN213449605U CN213449605U CN202022243135.4U CN202022243135U CN213449605U CN 213449605 U CN213449605 U CN 213449605U CN 202022243135 U CN202022243135 U CN 202022243135U CN 213449605 U CN213449605 U CN 213449605U
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Abstract
The utility model discloses an anchorage system capable of double-stretching prestressed carbon fiber plates, which comprises an anchorage device, an anchoring seat, a stretching screw rod and a stretching mechanism; wherein, the anchorage device is provided with two groups which are symmetrically arranged at two ends of the carbon fiber plate; two anchoring seats are arranged and are respectively arranged on one side of the anchorage device, which is far away from the carbon fiber plate; four tensioning screw rods are arranged, and every two tensioning screw rods are symmetrically arranged on two sides of one anchoring seat; and the two groups of tensioning mechanisms are respectively arranged on one side of the anchoring seat far away from the anchorage device. The utility model discloses a but ground tackle system both ends stretch-draw simultaneously, the jack stroke of effectively having solved current single stretch-draw ground tackle device can not satisfy the problem of stretch-draw prestressing force.
Description
Technical Field
The utility model relates to a building reinforcement technical field especially relates to an anchorage device system of prestressing force carbon fiber plate can two stretch-draws.
Background
At present, the prestressed carbon fiber plate is widely applied to reinforcement, upgrading and reconstruction of building concrete. The anchorage device is the core of the prestressed carbon plate and can effectively transfer the load borne by the carbon fiber plate to a reinforced building. Most of the existing anchorage devices are in one-way tensioning, two ends of the existing anchorage devices cannot be simultaneously tensioned, when a longer carbon fiber plate is tensioned, the elongation of the carbon fiber plate can exceed the stroke of a jack, the carbon fiber plate cannot be tensioned to a designed stress value at one time, and the construction efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide an anchor system that is capable of double tensioning pre-stressed carbon fiber panels.
The utility model provides an anchorage system capable of double-tensioning prestressed carbon fiber plates, which comprises an anchorage device, an anchoring seat, a tensioning screw rod and a tensioning mechanism; wherein the content of the first and second substances,
the two groups of anchorage devices are symmetrically arranged at two ends of the carbon fiber plate and are respectively fixedly connected with the end parts of the carbon fiber plate;
the two anchoring seats are respectively arranged on one side, far away from the carbon fiber plate, of the anchorage device and comprise a bottom plate, a plurality of U-shaped bar planting holes are symmetrically formed in the plate surface of the bottom plate along the length direction of the carbon fiber plate, the bottom plate is fixedly connected with concrete to be reinforced through anchoring bolts, one end, far away from the anchorage device, of the bottom plate is vertically and fixedly connected with an end plate, second through holes are symmetrically formed in the plate surface of the end plate along the length direction of the carbon fiber plate, reinforcing pieces are fixedly arranged on the plate surface, far away from the concrete, of the bottom plate along the length direction of the carbon fiber plate, and one end, close to the end plate, of each reinforcing piece is fixedly connected with the end plate;
four tensioning screws are arranged, every two tensioning screws are symmetrically arranged on two sides of one anchoring seat, one end of each tensioning screw penetrates through the second through hole and is fixedly connected with the anchorage device, and a locking nut is sleeved on one side, far away from the bottom plate, of the end plate on each tensioning screw in a threaded manner;
the tensioning mechanisms are arranged in two groups and are respectively arranged on one side, away from the anchorage device, of the anchorage seat, and the tensioning mechanisms are fixedly connected with the tensioning screw rods and used for applying prestress to the carbon fiber plates.
Preferably, the ground tackle includes the anchor block, follow in the anchor block the length direction of carbon fiber board is provided with the wedge passageway, the thickness of wedge passageway is followed and is kept away from the direction of carbon fiber board increases gradually, the tip of carbon fiber board stretches into set up in the wedge passageway, be located in the wedge passageway the bilateral symmetry of carbon fiber board be provided with the voussoir, the anchor block is close to the one end of carbon fiber board is followed the fixed right trapezoid's that is provided with of the length direction's of carbon fiber board bilateral symmetry connecting block, follow on the connecting block the length direction of carbon fiber board is provided with first through-hole, the stretch-draw screw rod passes and corresponds first through-hole screw thread has cup jointed fixation nut.
Preferably, the tensioning mechanism including set up in anchor seat is kept away from the stretch-draw baffle of one side of ground tackle, the bilateral symmetry on the stretch-draw baffle is provided with the third through-hole, the stretch-draw screw rod passes and corresponds third through-hole screw thread has cup jointed stretch-draw nut, be located two between stretch-draw baffle and the end plate be provided with the jack between the stretch-draw screw rod.
Preferably, one end of the bottom plate, which is close to the anchorage device, is positioned at two symmetrical positions in the length direction of the carbon fiber plate, limiting pieces are fixedly arranged on the limiting pieces, limiting holes are formed in the limiting pieces corresponding to the second through holes, and the tensioning screw penetrates through the corresponding limiting holes.
Preferably, the wedge block is uniformly provided with a tooth-shaped structure on the wall surface attached to the carbon fiber plate.
Preferably, the wedge block is fixedly connected with the carbon fiber plate in an adhering mode through an adhesive.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an anchorage device system is provided with two straining device, can carry out the stretch-draw to the carbon fiber board simultaneously at both ends, and the jack stroke of effectively having solved current single stretch-draw anchorage device can not satisfy the problem of stretch-draw prestressing force, has simplified the stretch-draw construction process of prestressing force carbon fiber board, has improved the efficiency of construction. The anchoring seat has simple structure and high structural strength, and reduces the load of the anchorage device system.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a schematic structural view of an anchor system;
FIG. 2 is a side elevational view of the anchor system;
FIG. 3 is a schematic structural view of an anchor seat;
FIG. 4 is a schematic view of the construction of the anchor;
FIG. 5 is a cross-sectional view of the anchor.
Reference numbers in the figures: 11. a carbon fiber sheet; 12. an anchorage device; 13. an anchoring seat; 14. stretching the screw; 15. a tensioning mechanism;
21. an anchor block; 22. a wedge-shaped channel; 23. a wedge block; 24. connecting blocks; 25. a first through hole; 26. a tooth-shaped structure;
31. a base plate; 32. planting tendon holes; 33. an end plate; 34. a second through hole; 35. a reinforcement; 36. a limiting sheet; 37. a limiting hole;
41. locking the nut; 42. fixing a nut; 43. tensioning the nut;
51. stretching the baffle; 52. a jack.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 5, an embodiment of the present invention provides an anchorage system for a prestressed carbon fiber plate capable of being tensioned in two directions, including an anchorage 12, an anchorage seat 13, a tensioning screw 14, and a tensioning mechanism 15; wherein the content of the first and second substances,
two groups of anchors 12 are symmetrically arranged at two ends of the carbon fiber plate 11 and are respectively fixedly connected with the end part of the carbon fiber plate 11;
the anchor seats 13 are arranged on two sides of the anchorage device 12 far away from the carbon fiber plate 11 respectively, each anchor seat 13 comprises a bottom plate 31, a plurality of U-shaped bar planting holes 32 are symmetrically arranged on the plate surface of each bottom plate 31 along the length direction of the carbon fiber plate 11, each bottom plate 31 is fixedly connected with concrete to be reinforced through anchor bolts, one end of each bottom plate 31 far away from the anchorage device 12 is vertically and fixedly connected with an end plate 33, second through holes 34 are symmetrically arranged on the plate surface of each end plate 33 along the length direction of the carbon fiber plate 11, a reinforcing piece 35 is fixedly arranged on the plate surface of each bottom plate 31 far away from the concrete along the length direction of the carbon fiber plate 11, and one end, close to the end plate 33, of each reinforcing piece 35 is fixedly connected with the;
four tensioning screws 14 are arranged, every two tensioning screws 14 are symmetrically arranged on two sides of one anchoring seat 13, one end of each tensioning screw 14 penetrates through the second through hole 34 and is fixedly connected with the anchorage 12, and a locking nut 41 is sleeved on one side, away from the bottom plate 31, of the end plate 33 on each tensioning screw 14 in a threaded manner;
and two groups of tensioning mechanisms 15 are arranged and are respectively arranged on one side of the anchoring seat 13, which is far away from the anchorage device 12, and the tensioning mechanisms 15 are fixedly connected with the tensioning screw rods 14 and used for applying prestress to the carbon fiber plate 11.
In this embodiment, the cut long carbon fiber plates 11 may be anchored to the concrete surface of the building to be reinforced by an anchor system, and the building may be reinforced by applying a prestress.
The anchorage device 12 is used for fixing the end part of the carbon fiber plate 11, the anchoring seat 13 is fixed on the surface of concrete and used as a support foundation for stretching the carbon fiber plate 11, the stretching screw 14 penetrates through the anchoring seat 13 to be fixedly connected with the anchorage device 12, the stretching mechanism 15 takes the anchoring seat 13 as a support, and prestress is applied to the carbon fiber plate by pulling the stretching screw 14, so that the reinforcement of a building is realized.
The anchoring seat 13 is composed of only the bottom plate 31 and the end plate 33, and the reinforcing piece 34 is welded between the bottom plate 31 and the end plate 33, so that the structure is simple, the self load of the anchoring system is reduced, and the strength of the supporting foundation structure is high. The reinforcing member 34 may be a triangular reinforcing plate, and has an excellent supporting effect on the end plate 33. The bar planting holes 32 in the bottom plate 31 are U-shaped long circular shapes, steel bars in concrete are more, the implanted anchor bolts can incline, and the problem that the inclined anchor bolts are not easy to install can be solved through the long circular bar planting holes 32.
In a preferred embodiment, as shown in fig. 1, 4 and 5, the anchor 12 includes an anchor block 21, a wedge-shaped channel 22 is disposed in the anchor block 21 along a length direction of the carbon fiber plate 11, a thickness of the wedge-shaped channel 22 gradually increases along a direction away from the carbon fiber plate 11, an end of the carbon fiber plate 11 extends into the wedge-shaped channel 22, wedges 23 are symmetrically disposed on two sides of the carbon fiber plate 11 in the wedge-shaped channel 22, right-angled trapezoidal connecting blocks 24 are fixedly disposed at one end of the anchor block 21 close to the carbon fiber plate 11 along two sides of the length direction of the carbon fiber plate 11, first through holes 25 are disposed on the connecting blocks 24 along the length direction of the carbon fiber plate 11, and fixing nuts 42 are threadedly sleeved on the tensioning screws 14 through the corresponding first through holes 25.
In the present embodiment, the anchor block 21 is used to fix the end of the carbon fiber plate 11. Through the cooperation of the wedge-shaped channel 22 and the wedge 23, when the carbon fiber plate 11 is stretched, the greater the stretching force, the firmer the clamping of the wedge 23 on the carbon fiber plate 11 is. Structural design is reasonable, and is fixed effectual. Connecting block 24 can be with anchor block 21 integrated into one piece, and structural strength is high, and stretch-draw screw 14 passes first through-hole 25 and passes through fixation nut 42 fixed, simple to operate, firm in connection.
In a preferred embodiment, as shown in fig. 1 and 2, the tensioning mechanism 15 includes a tensioning baffle 51 disposed on one side of the anchoring seat 13 away from the anchor 12, third through holes are symmetrically disposed on both sides of the tensioning baffle 51, tensioning nuts 43 are threadedly sleeved on the tensioning screws 14 through the corresponding third through holes, and a jack 52 is disposed between the tensioning baffle 51 and the end plate 33 and between the two tensioning screws 14.
In the embodiment, the carbon fiber plate 11 is tensioned by pushing the tensioning baffle 51 through the jack 52, and when the carbon fiber plate 11 reaches a designed prestress value along with the extension of the jack 52, the locking nut 41 is rotated to abut against the end plate 33, so that the tensioning screw 14 is locked. The tensioning mechanism 15 can be removed. The jack 52 may be replaced by an air cylinder or a hydraulic cylinder, etc., as a tensioning power source.
In a preferred embodiment, as shown in fig. 1 and 3, one end of the bottom plate 31 close to the anchorage 12 is symmetrically and fixedly provided with a limiting piece 36 at two sides of the carbon fiber plate 11 in the length direction, a limiting hole 37 is provided on the limiting piece 36 corresponding to the second through hole 34, and the tension screw 14 is provided through the corresponding limiting hole 37.
In the embodiment, the limiting hole 37 is provided to cooperate with the second through hole 34 to limit the direction of the tension screw 14, so that the axial direction of the tension screw 14 is consistent with the extending direction of the carbon fiber plate 11. The problem that construction accidents occur due to the fact that the carbon fiber plate 11 is partially torn due to the fact that the carbon fiber plate 11 is stressed unevenly due to the deviation of the stretching direction is avoided.
In a preferred embodiment, as shown in fig. 5, the wedge 23 is provided with a tooth-shaped structure 26 uniformly on the wall surface which is attached to the carbon fiber plate 11.
In this embodiment, the tooth-shaped structure 26 is formed by a plurality of protruding ridges on the surface of the wedge 23, the length direction of the protruding ridges is perpendicular to the length direction of the carbon fiber plate 11, and the tooth-shaped structures 26 on the two sides of the carbon fiber plate 11 can improve the clamping effect on the carbon fiber plate 11, so that the fixing effect of the anchorage device 12 is further improved.
In a preferred embodiment, the wedge 23 is fixedly bonded to the carbon fiber plate 11 by an adhesive.
In this embodiment, in order to simplify the structure of the wedge 23 and ensure the fixing effect of the anchor 12 on the carbon fiber plate 11, the end of the carbon fiber plate 11 may be fixed by using an adhesive. Before the wedge 23 is bonded with the carbon fiber plate 11, the surfaces of the wedge 23 bonded with the carbon fiber plate 11 can be subjected to sand blasting roughening treatment respectively, so that the anchoring effect can be further improved.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. An anchorage system capable of double-tensioning a prestressed carbon fiber plate is characterized by comprising an anchorage, an anchorage seat, a tensioning screw and a tensioning mechanism; wherein the content of the first and second substances,
the two groups of anchorage devices are symmetrically arranged at two ends of the carbon fiber plate and are respectively fixedly connected with the end parts of the carbon fiber plate;
the two anchoring seats are respectively arranged on one side, far away from the carbon fiber plate, of the anchorage device and comprise a bottom plate, a plurality of U-shaped bar planting holes are symmetrically formed in the plate surface of the bottom plate along the length direction of the carbon fiber plate, the bottom plate is fixedly connected with concrete to be reinforced through anchoring bolts, one end, far away from the anchorage device, of the bottom plate is vertically and fixedly connected with an end plate, second through holes are symmetrically formed in the plate surface of the end plate along the length direction of the carbon fiber plate, reinforcing pieces are fixedly arranged on the plate surface, far away from the concrete, of the bottom plate along the length direction of the carbon fiber plate, and one end, close to the end plate, of each reinforcing piece is fixedly connected with the end plate;
four tensioning screws are arranged, every two tensioning screws are symmetrically arranged on two sides of one anchoring seat, one end of each tensioning screw penetrates through the second through hole and is fixedly connected with the anchorage device, and a locking nut is sleeved on one side, far away from the bottom plate, of the end plate on each tensioning screw in a threaded manner;
the tensioning mechanisms are arranged in two groups and are respectively arranged on one side, away from the anchorage device, of the anchorage seat, and the tensioning mechanisms are fixedly connected with the tensioning screw rods and used for applying prestress to the carbon fiber plates.
2. The anchor device system of claim 1, wherein the anchor device comprises an anchor block, a wedge-shaped channel is arranged in the anchor block along the length direction of the carbon fiber plate, the thickness of the wedge-shaped channel gradually increases along the direction away from the carbon fiber plate, the end portion of the carbon fiber plate extends into the wedge-shaped channel, a wedge block is symmetrically arranged on two sides of the carbon fiber plate in the wedge-shaped channel, one end of the anchor block, close to the carbon fiber plate, is fixedly provided with right trapezoid connecting blocks along two sides of the length direction of the carbon fiber plate, a first through hole is arranged on the connecting blocks along the length direction of the carbon fiber plate, and a fixing nut is sleeved on the tensioning screw rod in a threaded mode through the corresponding first through hole.
3. The anchor system of claim 2, wherein the tensioning mechanism comprises a tensioning baffle plate disposed on a side of the anchoring seat away from the anchor, third through holes are symmetrically disposed on two sides of the tensioning baffle plate, tensioning nuts are screwed on the tensioning screws through the corresponding third through holes, and a jack is disposed between the tensioning baffle plate and the end plate and between the two tensioning screws.
4. The anchorage system according to claim 3, wherein one end of the bottom plate close to the anchorage is symmetrically and fixedly provided with limiting pieces at two sides of the carbon fiber plate in the length direction, limiting holes are formed in the limiting pieces corresponding to the second through holes, and the tensioning screw penetrates through the corresponding limiting holes.
5. The anchorage system of claim 4, wherein the wedge blocks are uniformly provided with tooth-shaped structures on the wall surface where the carbon fiber plates are attached.
6. The anchor system of claim 4, wherein the wedge is adhesively secured to the carbon fiber plate by an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022243135.4U CN213449605U (en) | 2020-10-10 | 2020-10-10 | Anchor system capable of achieving double-tensioning of prestressed carbon fiber plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022243135.4U CN213449605U (en) | 2020-10-10 | 2020-10-10 | Anchor system capable of achieving double-tensioning of prestressed carbon fiber plates |
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| CN213449605U true CN213449605U (en) | 2021-06-15 |
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| CN202022243135.4U Active CN213449605U (en) | 2020-10-10 | 2020-10-10 | Anchor system capable of achieving double-tensioning of prestressed carbon fiber plates |
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| CN (1) | CN213449605U (en) |
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