CN212927130U

CN212927130U - Prestressed carbon plate tensioning end assembly

Info

Publication number: CN212927130U
Application number: CN202021509270.2U
Authority: CN
Inventors: 李风宁
Original assignee: Carbo Technology Group Co ltd
Current assignee: Carbo Technology Group Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-09
Anticipated expiration: 2030-07-27

Abstract

The utility model provides a prestressed carbon plate tensioning end component, which comprises a tensioning end anchorage device, a tensioning end locking seat, a jack, a connecting piece and a tensioning rod; one end of the tensioning rod is fixedly connected with one side of the connecting piece, and the other end of the tensioning rod penetrates through the jack and the tensioning end locking seat in a sleeved mode. This tensioning device can effectively reduce construction cost, reduces the original structure fluting area, reduces the construction step, improves the efficiency of construction and effectively solves the error that exists in other tensioning device installation and leads to carbon fiber plate to damage the scheduling problem.

Description

Prestressed carbon plate tensioning end assembly

Technical Field

Embodiments of the present invention generally relate to the field of building reinforcement techniques, and more particularly, to a prestressed carbon plate tension end assembly.

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. The prestressed carbon fiber plate is commonly used as a thin plate with the width of 100mm, 50mm and 20mm and the thickness of 1-4 mm. In the tensioning process, the stress transfer condition is greatly influenced by the thickness of the adhesive, so that how to ensure that the uniform thickness of the adhesive becomes an important factor of the reinforcing effect of the prestressed carbon fiber plate, a grooving construction process is generally adopted for ensuring the uniform thickness of the adhesive, and the tensioning device is large in width and length. Therefore, the grooving area is large, the original structure can be damaged to a certain degree, the carbon fiber plate is damaged due to the fact that the stress of the carbon fiber plate is uneven in the tensioning process, and the structure reinforcing effect cannot be achieved.

The existing tensioning device has high manufacturing cost and larger overall dimension, and the original structure of the concrete is damaged to a certain extent due to larger slotting area; the large size of the tensioning device can cause certain errors in installation, and the carbon fiber plate can be damaged due to uneven stress in the tensioning process of the carbon fiber plate; the tensioning device assembly parts are more, and installation is more complicated during construction.

Disclosure of Invention

In order to overcome the not enough of above-mentioned prior art, the utility model provides a prestressing force carbon slab stretch-draw end subassembly, this tensioning device can effectively reduce construction cost, reduces the primary structure fluting area, reduces construction steps, improves the efficiency of construction and effectively solves the error that exists in other tensioning device installation and lead to the carbon fiber board to damage the scheduling problem.

The utility model discloses the technical scheme of implementation is: a prestressed carbon plate tensioning end assembly comprises a tensioning end anchorage device, a tensioning end locking seat, a jack, a connecting piece and a tensioning rod; wherein,

one end of the tensioning rod is fixedly connected with one side of the connecting piece, and the other end of the tensioning rod penetrates through the jack and the tensioning end locking seat in a sleeved mode.

The tensioning end anchorage device is fixedly connected with one side of the connecting piece, which is far away from the tensioning rod.

The jack, in axial direction's one end with the reaction plate of stretch-draw end locking seat is close to the setting, and the other end is close to the setting with the reaction nut, just the flexible end orientation of jack is kept away from one side setting of stretch-draw end locking seat, the jack is the center-piercing jack.

Furthermore, stretch-draw pole one end runs through on the stretch-draw end locking seat reaction plate and locking plate reach the jack setting, the other end with the first screw hole thread tightening of connecting piece lie in on the stretch-draw pole and be close to the reaction plate one side screw thread of locking plate has cup jointed lock nut for the restriction the stretch-draw pole is close to connecting piece one side removes.

Furthermore, the counter-force nut is sleeved at the telescopic end of the jack through threads and used for fixing the connection between the jack and the tensioning end locking piece.

Furthermore, the tensioning end locking seat is integrally formed and comprises a bottom plate buckled on the surface of concrete, two ends of the bottom plate are respectively and vertically connected with one end of the reaction plate and one end of the locking plate, two sides of the bottom plate vertical to the reaction plate or the locking plate are respectively provided with an anchor bolt hole, and the tensioning end locking seat is matched with the concrete through bolts to fix the tensioning end locking seat and the concrete together; the middle parts of the reaction plate and the locking plate are respectively and correspondingly provided with a first through hole, and the tension rod penetrates through the two first through holes and is fixed through threads; two supporting plates are respectively arranged on two sides of the first through hole in the length direction of the reaction plate and the locking plate, and two ends of the two supporting plates are respectively and vertically connected with the reaction plate and the locking plate.

Furthermore, the connecting piece is a rectangular metal block, one end of the connecting piece close to the tensioning end locking seat is provided with the first threaded hole, the other end of the connecting piece is provided with a groove on a central axis of the first threaded hole, and the groove is a wedge-shaped clamping piece used for hiding the redundant part at the end part of the tensioning end anchorage device; and four corners of one side of the connecting piece where the first threaded hole is located are respectively provided with a second through hole in a penetrating way, and the connecting piece is fixedly connected with one end thread of the tensioning end anchorage device after being penetrated through by the screw rod and the second through hole.

Furthermore, one end of the tensioning end anchorage device is provided with four second threaded holes corresponding to the positions of the four second through holes respectively, and the other end of the tensioning end anchorage device is connected with the carbon fiber plate; and a wedge-shaped hole is formed in the tensioning end anchorage device in a penetrating manner along the opening direction of the groove.

The embodiment of the utility model provides an in the prestressing force carbon plate stretch-draw end subassembly, realized following technological effect:

(1) the stretching end assembly is small in overall dimension, the concrete grooving area can be effectively reduced, and the original structure damage degree is reduced.

(2) The utility model discloses in, stretch-draw end ground tackle and stretch-draw end locking seat are the separation, and the removal of stretch-draw end ground tackle does not receive the restriction of stretch-draw end locking seat, and simultaneously, the stretch-draw pole is single, and at the stretch-draw in-process, stretch-draw end ground tackle can be along with the main extending direction automatic adjustment of carbon fiber plate, has avoided leading to the problem that the carbon plate damaged because of the error in the stretch-draw end locking seat installation.

(3) The utility model discloses a stretch-draw ground tackle subassembly, when the installation, stretch-draw end locking seat need pass through the bolt fastening to the concrete on the surface, and the installation is very simple and convenient, has saved the labour of consolidating the operation.

It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.

Drawings

The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:

FIG. 1 is a schematic view of a prestressed carbon plate tension end assembly;

FIG. 2 is a schematic view of a tension end locking seat of a prestressed carbon plate tension end assembly;

FIG. 3 is a schematic view of the left side of a connector of a prestressed carbon plate tension end assembly;

FIG. 4 is a schematic view of a cross-sectional view of a connector of a tensioned end assembly of a prestressed carbon plate;

FIG. 5 is a schematic view of the right side of a connector of a prestressed carbon plate tension end assembly;

FIG. 6 is a schematic view of a tension end anchor of a prestressed carbon plate tension end assembly;

FIG. 7 is a cross-sectional view of an anchor at the tensioning end of a prestressed carbon plate tensioning end assembly.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:

10. the tensioning rod 20, the jack 30, the tensioning end locking seat 40, the connecting piece 50, the tensioning end anchorage device 60, the counter-force nut 70, the locking nut 80 and the screw rod;

31. the counter-force plate 32, the locking plate 33, the bottom plate 34, the anchor bolt hole 35, the first through hole 36 and the support plate;

41. first threaded hole 42, recess 43, second through hole;

51. second threaded hole 52, wedge hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, it is obvious that the described embodiments are some embodiments of the present disclosure rather than all embodiments based on the embodiments in the present disclosure, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present disclosure.

In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The following describes a prestressed carbon plate tensioning end assembly provided by an embodiment of the present invention with reference to fig. 1, which includes a tensioning end anchor 50, a tensioning end locking seat 30, a jack 20, a connecting piece 40 and a tensioning rod 10; wherein,

one end of the tension rod 10 is fixedly connected with one side of the connecting piece 40, and the other end of the tension rod is sleeved with the jack 20 and the tension end locking seat 30 in a penetrating manner.

One end of the tension end anchorage device 50 is fixedly connected with one side of the connecting piece 40 far away from the tension rod 10, and the other end of the tension end anchorage device is connected with the carbon fiber plate.

The jack 20 is disposed close to the reaction plate 31 of the tension end locking seat 30 at one end in the axial direction, and the other end is disposed close to the reaction nut 60, and the telescopic end of the jack 20 is disposed toward the side away from the tension end locking seat 30, and the jack 20 is a center-penetrating jack.

In some embodiments, as shown in fig. 1, one end of the tension rod 10 is disposed through the reaction plate 31 and the locking plate 32 on the tension end locking seat 30 and the jack 20, and the other end is screwed with the first threaded hole 41 of the connecting member 40, and a locking nut 70 is screwed on the tension rod 10 at a side of the locking plate 32 close to the reaction plate 31 for limiting the movement of the tension rod 10 at a side close to the connecting member 40.

Further, the reaction nut 60 is sleeved on the telescopic end of the jack 20 through a thread, and is used for fixing the connection between the jack 20 and the tensioning end locking part 30.

In some embodiments, as shown in fig. 2, the tensioning end locking seat 30 is integrally formed, and includes a bottom plate 33 fastened on the surface of the concrete, two ends of the bottom plate 33 are respectively vertically connected with one end of the reaction plate 31 and one end of the locking plate 32, two sides of the bottom plate 33 vertical to the reaction plate 31 or the locking plate 32 are respectively provided with an anchor bolt hole 34, which is matched with a bolt to fix the tensioning end locking seat 30 and the concrete together; the middle parts of the reaction plate 31 and the locking plate 32 are respectively and correspondingly provided with a first through hole 35, and the tension rod 10 penetrates through the two first through holes 35 and is fixed through threads; two supporting plates 36 are respectively arranged on two sides of the first through hole 35 along the length direction of the reaction plate 31 and the locking plate 32, and two ends of the two supporting plates 36 are respectively and vertically connected with the reaction plate 31 and the locking plate 32.

In some embodiments, as shown in fig. 3 to 5, the connecting member 40 is a rectangular metal block, one end of the connecting member 40 close to the tensioning-end locking seat 30 is provided with a first threaded hole 41, the other end of the connecting member 40 is provided with a groove 42 on a central axis of the first threaded hole 41, and the groove 42 is a wedge-shaped clip for hiding the excess part of the tensioning-end anchor end 50; and a second through hole 43 is respectively formed at four corners of one side of the connecting piece 40 where the first threaded hole 41 is located in a penetrating manner, and the connecting piece 40 is fixedly connected with one end of the tensioning end anchorage device 50 through a threaded rod and the second through hole 43 after penetrating.

In some embodiments, as shown in fig. 6 and 7, one end of the tension end anchorage device 50 is provided with four second threaded holes 51 corresponding to the four second through holes 43, and the other end is connected to the carbon fiber plate; a wedge-shaped hole 52 is formed through the tension end anchorage 50 along the opening direction of the groove 42.

One end of the tensioning rod penetrates through the reaction plate of the tensioning end locking seat and the first through hole of the locking plate and extends out of the connecting piece to be in threaded connection with the first threaded hole of the connecting piece, and the connecting piece is connected with the tensioning end anchorage device through a screw rod; wherein the locking plate is close to one side of reaction plate and is installed lock nut, and the jack-through passes the stretch-draw pole and keeps away from stretch-draw end locking seat one end and locks through reaction nut, then the tensioning exerts prestressing force.

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

1. A prestressed carbon plate tension end assembly, comprising:

the tensioning end anchorage device, the tensioning end locking seat, the jack, the connecting piece and the tensioning rod are arranged on the base;

one end of the tensioning rod is fixedly connected with one side of the connecting piece, and the other end of the tensioning rod is sleeved with the jack and the tensioning end locking seat in a penetrating manner;

the tensioning end anchorage device is fixedly connected with one side of the connecting piece, which is far away from the tensioning rod;

2. A prestressed carbon plate tension end assembly as defined in claim 1, wherein said tension rod is disposed at one end through said reaction plate and locking plate on said tension end locking seat and said jack, and at the other end is threadedly secured to said first threaded opening of said connecting member, and a locking nut is threadedly received on said tension rod on a side of said locking plate adjacent to said reaction plate.

3. A prestressed carbon plate tension end assembly as recited in claim 2, including a reaction nut threadably received on said telescoping end of said jack for securing said jack in connection with said tension end fastener.

4. A prestressed carbon plate tension end assembly as defined in claim 3, wherein said tension end locking mount comprises a base plate fastened to the concrete surface, both ends of said base plate being respectively connected to one end of said reaction plate and one end of said locking plate, and both sides of said base plate perpendicular to said reaction plate or said locking plate being respectively provided with an anchor hole.

5. A prestressed carbon plate tension end assembly as defined in claim 4, wherein said reaction plate and said locking plate have first through holes formed at their respective central locations.

6. A prestressed carbon plate tension end assembly as defined in claim 5 wherein a total of two support plates are provided along the length of said reaction plate and said locking plate on either side of said first through hole, said support plates being perpendicularly connected at each end to said reaction plate and said locking plate.

7. A prestressed carbon plate tension end assembly as set forth in claim 6 wherein said first threaded bore is formed in one end of said connector adjacent said tension end locking socket and a recess is formed in the other end of said connector along the central axis of said first threaded bore.

8. A prestressed carbon plate tension end assembly as recited in claim 7, wherein said connector has second through holes extending through each of four corners of said connector on the side of said first threaded hole, said connector being fixedly connected to one end of said tension end anchor by a threaded rod extending through said second through holes.

9. A prestressed carbon plate tension end assembly as recited in claim 8, wherein one end of said tension end anchor is provided with four second threaded holes corresponding to the positions of said four second through holes, respectively; and a wedge-shaped hole is formed in the tensioning end anchorage device in a penetrating manner along the opening direction of the groove.