CN212201414U - Detachable anchorage device of reinforcing beam body - Google Patents

Abstract

The application discloses a detachable anchorage device for reinforcing a beam body, which comprises a mounting plate, a slideway, a clamp mechanism, a fixing plate, a support and a jack; the two mounting plates are symmetrically and fixedly arranged on two sides of the beam body; the slideway is arranged below the mounting plate and is fixedly connected with the mounting plate; the clamp mechanism is connected with the slideway in a sliding manner and is used for clamping the carbon fiber plate; the fixing plate is fixedly connected with the beam body and used for fixing the carbon fiber plate on the bottom surface of the beam body; the support is detachably connected with the fixed plate; the jack is detachably connected with the support through a support rod; a first supporting plate and a second supporting plate are fixedly arranged at the two ends of the support; the bottom end of the jack is abutted against the second supporting plate; the first supporting plate is provided with a second through hole, and the diameter of the second through hole is larger than the diameter of the top of the jack and smaller than the diameter of the outer surface of the jack. The detachable anchorage device of the reinforcing beam body is simple in structure, convenient to operate and suitable for narrow beams.

Description

Detachable anchorage device of reinforcing beam body

Technical Field

The utility model relates to a building reinforcement technical field especially relates to a detachable anchorage device of reinforcement beam body.

Background

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 existing anchors are mainly divided into two categories: permanent anchors and removable anchors. The permanent anchorage device is permanently connected with the carbon fiber plate after construction is finished and is permanently left on a building, and although the anchorage device has stronger stability, the anchorage device has higher cost due to the problems of unrecyclable use, special material of the anchorage device and the like; can dismantle ground tackle reuse, solve the high problem of cost, compare in security and stability simultaneously and do not reduce in permanent ground tackle, but ordinary detachable ground tackle complex operation can not be applied to the narrow beam reinforcement simultaneously.

The permanent anchorage has high cost, and the load of the original structure is increased to a certain degree; compared with a permanent anchorage device, the detachable anchorage device has the advantages that the overall manufacturing cost is low, the uniform thickness of the carbon plate adhesive layer and the uniform distribution of stress can be ensured, and the problems that the adhesive layer at the end part of the permanent anchorage device is too thick and the stress is transmitted non-uniformly are solved; the existing detachable anchorage is complicated in construction and cannot be used for constructing a narrow beam; in the existing detachable anchor construction, a jack needs to be held by hands, and the hands can be loosened after prestress is applied.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies of the prior art, it would be desirable to provide a removable anchor that does not require manual support jacks, is easy to operate, and is suitable for use with narrow beams.

The application provides a detachable anchorage device for a reinforced beam body, which comprises a mounting plate, a slideway, a clamp mechanism, a fixing plate, a support and a jack; the two mounting plates are symmetrically and fixedly arranged on two sides of the beam body; the slideway is arranged below the mounting plate and is fixedly connected with the mounting plate; the clamp mechanism is connected with the slideway in a sliding manner and is used for clamping the carbon fiber plate; the fixing plate is fixedly connected with the beam body and used for fixing the carbon fiber plate on the bottom surface of the beam body; the support is detachably connected with the fixed plate; the jack is detachably connected with the support through a support rod; a first supporting plate and a second supporting plate are fixedly arranged at the two ends of the support; the bottom end of the jack is abutted against the second supporting plate; the first supporting plate is provided with a second through hole, and the diameter of the second through hole is larger than the diameter of the top of the jack and smaller than the diameter of the outer surface of the jack.

In accordance with the above aspect and any one of the possible implementations, there is further provided an implementation in which the clamp mechanism includes a base and a pressing block; the pressing block is positioned below the base, one end of the pressing block is hinged with the base, and the other end of the pressing block is detachably connected with the base; a reinforcing block vertical to the pressing block is fixedly arranged on one side of the pressing block, which is far away from the base; a reinforcing plate is fixedly arranged between the reinforcing block and the pressing block.

In the aspect and any possible implementation manner described above, a soft metal wedge block is adhered to the surfaces of both ends of the carbon fiber plate; wedge-shaped grooves matched with the soft metal wedge-shaped blocks are formed in the surfaces, opposite to the pressing blocks, of the base; the surfaces of the soft metal wedge-shaped block and the wedge-shaped groove are both rough surfaces.

In the aspect and any possible implementation manner described above, a further implementation manner is provided, in which both ends of the support rod are hinged with a connecting rod; the connecting rod is detachably connected with the support through a third bolt.

The above aspects and any possible implementations further provide an implementation in which at least two support rods are provided; the support rod has a radian matched with the outer surface of the jack.

In the aspect and any possible implementation manner described above, an implementation manner is further provided, wherein at least two first threaded holes are uniformly formed in one side of the pressing block, which is close to the support; the support columns are sleeved in the first threaded holes in a threaded manner.

The above aspects and any possible implementations further provide an implementation in which the mounting plate is integrally formed with the slide.

Compared with the prior art, the beneficial effects of this application are:

the detachable anchorage device of the reinforcing beam body is provided with the mounting plate, the slide way, the clamp mechanism, the fixing plate, the support and the jack, and is simple in structure and convenient and fast to operate; the support is provided with the supporting rod, the jack can be fixed on the support, when prestress is applied, the jack does not need to be manually supported, and the safety coefficient is high; the mounting panel is installed in the both sides of the roof beam body, and the mounting panel below is provided with the slide, and slide and mounting panel integrated into one piece when guaranteeing structural strength make the ground tackle be applicable to the reinforcement of narrower roof beam body, solve the roof beam body narrower, can't install the problem of slide.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the present application will become apparent from the following description.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of a removable anchorage for reinforcing a beam according to an embodiment of the present disclosure;

FIG. 2 is a schematic bottom view of a removable anchor for reinforcing a beam according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of B-B in FIG. 2;

FIG. 4 is a schematic cross-sectional view of C-C of FIG. 1;

FIG. 5 is a schematic cross-sectional view of D-D in FIG. 1;

FIG. 6 is an enlarged view of the portion A in FIG. 1;

reference numbers in the figures: 1, 2, mounting plates, 3, a fixture mechanism, 4, a fixing plate, 5 supports, 6 carbon fiber plates, 7 support columns and 8 jacks;

21, 22 a first long round hole; 23 expansion bolts;

31 a base, 32 a pressing block, 33 a reinforcing block, 34 a reinforcing plate, 35 a first through hole, 36 a second threaded hole, 37 a first bolt, 38 a first threaded hole and 39 a wedge-shaped groove;

41 chemical bolts;

51 a first supporting plate, 52 a second supporting plate, 53 supporting rods, 54 connecting rods, 55 a second through hole, 56 a third bolt, 57 a second long round hole, 58 a second bolt and 59 a long round groove;

61 soft metal wedge-shaped blocks.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 6, an embodiment of the present application provides a detachable anchor for reinforcing a beam, including a mounting plate 2, a slideway 21, a clamp mechanism 3, a fixing plate 4, a support 5 and a jack 8; the two mounting plates 2 are symmetrically and fixedly arranged on two sides of the beam body 1; the slideway 21 is arranged below the mounting plate 2 and is fixedly connected with the mounting plate 2; the clamp mechanism 3 is connected with the slideway 21 in a sliding way and used for clamping the carbon fiber plate 6; the fixed plate 4 is fixedly connected with the beam body 1 and is used for fixing the carbon fiber plate 6 on the bottom surface of the beam body 1; the support 5 is fixedly connected with the fixed plate 4; the jack 8 is detachably connected with the support 5 through a support rod 53; a first supporting plate 51 and a second supporting plate 52 are fixedly arranged at two ends of the support 5; the bottom end of the jack 8 is abutted against the second support plate 52; the first supporting plate 51 is provided with a second through hole 55, and the diameter of the second through hole 55 is larger than the diameter of the top of the jack and smaller than the diameter of the outer surface of the jack.

In the embodiment, the mounting plate 2 and the slideway 21 are integrally formed and are L-shaped, so that the problem that the slideway cannot be mounted during construction of the narrow beam prestressed carbon fiber plate is solved; the vertical first long circular hole 22 is formed in the mounting plate 2, the expansion bolt 23 penetrates through the first long circular hole 22, the expansion end of the expansion bolt 23 extends into the beam body 1, the mounting plate 2 is fixedly connected with the beam body 1, the position of the mounting plate 2 in the vertical direction can be adjusted, the distance between the slide rail 21 and the bottom surface of the beam body 1 can be adjusted, the clamp mechanism 3 is movably connected with the slide rail 21, and the clamping degree between the clamp mechanism 3 and the bottom surface of the beam body 1 can be adjusted by adjusting the distance between the slide rail 21 and the bottom surface of the beam body 1. The fixing plate 4 is fixedly connected with the bottom surface of the beam body 1 through the chemical bolt 41, the carbon fiber plate 6 is fixed on the bottom surface of the beam body 1, the end part of the carbon fiber plate 6 is clamped by the clamp mechanism 3, the support 5 is detachably arranged below the fixing plate 4, the jack 8 is detachably connected with the support 5 through the support rod 53, the clamp mechanism 3 is pushed to move on the slide rail 21 along the stretching direction of the carbon fiber plate 6, prestress is applied to the carbon fiber plate 6, the structure is simple, and the operation is convenient; a first limit plate 51 and a second limit plate 52 are fixedly arranged at two ends of the support 5; the bottom end of the jack 8 abuts against the second limit plate 52; when the jack 8 pushes the fixture mechanism 3, the second limiting plate 52 provides a reverse acting force for the jack 8, so that the jack 8 and the support 5 are prevented from sliding relatively in the pushing process, and the structure is more stable. A second through hole 55 is formed in the first limiting plate 51, and the second through hole 55 can be penetrated by the top head of the jack 8; the diameter of the second through hole 55 is larger than the diameter of the top of the jack 8 and smaller than the diameter of the outer surface of the jack 8, so that the jack 8 can be prevented from sliding out of the support 5, the structural stability is improved, and the safety coefficient is improved; the mounting plate 2 and the slide rail 21 are integrally formed, so that the structural strength is improved, and meanwhile, the mounting plate 2, the slide rail 21, the clamp mechanism 3, the support 5 and the jack 8 can be detached, so that the anchor can be repeatedly used, and the cost is reduced.

By changing the shapes of the mounting plate 2 and the slideway 21, the anchorage device can be suitable for reinforcing carbon fiber plates of beam bodies with different widths. For example, the mounting plate 2 and the slideway 21 are in a Z shape, so that the mounting plate 2 and the bottom surface of the beam body 1 can be fixedly connected, the requirement of the clamp mechanism 3 on the width of the slideway 21 is met, and the anchoring of the carbon fiber plate 6 is completed. Or the slideway 21 is C-shaped and is integrally formed with the mounting plate 2, the mounting plate 2 is fixedly arranged at two sides of the beam body 1, and the C-shaped opening of the slideway 21 is oppositely arranged, so that the anchorage device is suitable for the narrower beam body 1 to complete the anchorage of the carbon fiber plate 6.

In a preferred embodiment, the clamping mechanism 3 comprises a base 31 and a pressing block 32; the pressing block 32 is positioned below the base 31, one end of the pressing block is hinged with the base 31, and the other end of the pressing block is detachably connected with the base 31; a reinforcing block 33 vertical to the pressing block 32 is fixedly arranged on one side of the pressing block 32, which is far away from the base 31; a reinforcing plate 34 is fixedly connected between the reinforcing block 33 and the pressing block 32. Referring to fig. 1 to 6, in the embodiment, the clamping mechanism 3 includes a base 31 and a pressing block 32; the pressing block 32 is positioned below the base 31, one end of the pressing block is hinged with the base 31, the other end of the pressing block is provided with two first through holes 35, second threaded holes 36 are formed in the base 31 corresponding to the through holes 35, first bolts 37 penetrate through the through holes, the first bolts 37 are in threaded connection with the second threaded holes 36, and the carbon fiber plate 6 is clamped between the base 31 and the pressing block 32; the bottom of the pressing block 32 is fixedly provided with a reinforcing block 33, the support 5 pushes the reinforcing block 33 to drive the clamp mechanism 3 to move on the slideway 21 along the stretching direction of the carbon fiber plate 6, and therefore prestress is applied to the carbon fiber plate 6; the reinforcing plate 34 is fixedly connected between the reinforcing block 33 and the pressing block 32, so that the strength of the clamp mechanism 3 is improved, and the phenomenon that the reinforcing block 33 inclines to cause that the prestress applied to the carbon fiber plate 6 cannot meet the design requirement when the carbon fiber plate 6 is stretched is prevented.

In a preferred embodiment, soft metal wedge blocks 61 are adhered to the surfaces of two ends of the carbon fiber plate 6; wedge-shaped grooves 39 matched with the soft metal wedge blocks 61 are formed in the surfaces, opposite to the pressing blocks 32, of the base 31; the surfaces of the soft metal wedge blocks 61 and the wedge grooves 39 are rough surfaces. Referring to fig. 1 to 6, in this embodiment, the soft metal wedge block 61 and the wedge groove 39 form a self-locking structure, so as to prevent the carbon fiber plate 6 from falling off from the clamp mechanism 3 during the process of tensioning the carbon fiber plate 6, thereby preventing the rework phenomenon, improving the working efficiency, and avoiding the stress concentration phenomenon. The included angle between the wedge surface of the soft metal wedge block 61 and the horizontal plane is 3 degrees, the strength of the self-locking structure is ensured, meanwhile, the end glue layer of the carbon fiber plate 6 is not too thick, and the problem of uneven stress transmission is avoided; the surfaces of the soft metal wedge block 61 and the wedge groove 39 form a rough surface through a sand blasting or shot blasting process, so that the friction force between the soft metal wedge block 61 and the wedge groove 39 is increased, and the clamping strength between the clamp mechanism 3 and the carbon fiber plate 6 is improved.

In a preferred embodiment, both ends of the supporting rod are hinged with connecting rods; the connecting rod is detachably connected with the support through a third bolt. Referring to fig. 1 to 6, in this embodiment, the fixing plate 4 is fixed on the bottom surface of the beam body 1 by chemical bolts 41, a plurality of second oblong holes 57 are formed in the top of the support 5, second bolts 58 are inserted into the second oblong holes 57, a plurality of third threaded holes 42 are formed in the fixing plate, the fixing plate is in threaded sleeve connection with the second bolts 58, and the support 5 and the fixing plate 4 are detachably connected by the second bolts 58, so that the anchor can be reused, and cost is saved. The support 5 is provided with at least two support rods 53 which are fixedly connected with the support 5 through connecting rods 54, the support rods 53 have radians matched with the outer surface of the jack 8, the jack 8 can be stably fixed in the support 5 through the support rods 53, the jack 8 does not need to be manually supported in the process of extending and retracting the jacking head of the jack 8, and the safety coefficient is improved; the support rod 53 is hinged with one end of the connecting rod 54, the other end of the connecting rod 54 is detachably connected with the support 5 through the third bolt 56, after the prestress is applied to the carbon fiber plate 6, the third bolt 56 can be pulled out, the connecting rod 54 and the support rod 53 are detached, and the jack 8 is taken down, so that the jack 8 can be repeatedly used, and the cost is reduced; a plurality of long circular grooves 59 are further formed in the top surface of the support 5, the extending part of the chemical bolt 41 can be aligned to the long circular grooves 59 to fix the support 5 and the fixing plate 4, the self weight of the structure is reduced, the support 5 and the fixing plate 4 can be attached more tightly, and the structural stability of the anchor is improved.

In a preferred embodiment, at least two first threaded holes 38 are uniformly formed in one side of the pressing block 32 close to the support 5; the supporting columns 7 are sleeved in the first threaded holes 38 in a threaded mode. Referring to fig. 1 to 6, in this embodiment, the supporting pillar 7 is sleeved in the first threaded hole 38, when the prestress applied to the carbon fiber plate 6 meets the design requirement, the supporting pillar 7 may be screwed, so that one end of the supporting pillar 7 close to the support 5 abuts against the support 5, the supporting pillar 7 replaces the jack 8 to bear the force, at this time, the third bolt 56 may be removed, the connecting rod 54 and the supporting rod 53 are removed, the jack 8 is removed, and the prestress is applied to the other carbon fiber plates 6, thereby reducing the cost of the anchor. Meanwhile, the jack 8 is not required to be always in a working state, and the influence of pressure relief on prestress is prevented. When the support column 7 is not long enough and cannot abut against the support 5, a cushion block can be arranged on the side vertical surface of the support 5 opposite to the support column 7, so that the support column 7 abuts against the cushion block, and then the jack 8 is disassembled; in order to conveniently screw the support column 7, the unthreaded section of the support column 7 can be in an outer hexagonal shape, and the support column 7 can be screwed by using a wrench, so that the operation is convenient, and the labor is saved.

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 (7)

1. A detachable anchorage device for reinforcing a beam body is characterized by comprising a mounting plate, a slideway, a clamp mechanism, a fixing plate, a support and a jack; the two mounting plates are symmetrically and fixedly arranged on two sides of the beam body; the slideway is arranged below the mounting plate and is fixedly connected with the mounting plate; the clamp mechanism is connected with the slideway in a sliding manner and is used for clamping the carbon fiber plate; the fixing plate is fixedly connected with the beam body and used for fixing the carbon fiber plate on the bottom surface of the beam body; the support is detachably connected with the fixing plate; the jack is detachably connected with the support through a support rod; a first supporting plate and a second supporting plate are fixedly arranged at the two ends of the support; the bottom end of the jack is abutted against the second supporting plate; the first supporting plate is provided with a second through hole, and the diameter of the second through hole is larger than the diameter of the top head of the jack and smaller than the diameter of the outer surface of the jack.

2. The detachable anchorage of a reinforcement beam according to claim 1, wherein the clamp mechanism comprises a base and a pressing block; the pressing block is positioned below the base, one end of the pressing block is hinged with the base, and the other end of the pressing block is detachably connected with the base; a reinforcing block perpendicular to the pressing block is fixedly arranged on one side of the pressing block, which is far away from the base; and a reinforcing plate is fixedly arranged between the reinforcing block and the pressing block.

3. The detachable anchorage device for the reinforcement beam body according to claim 2, wherein soft metal wedge blocks are adhered to the surfaces of both ends of the carbon fiber plate; wedge-shaped grooves matched with the soft metal wedge-shaped blocks are formed in the surfaces, opposite to the pressing blocks, of the base; the surfaces of the soft metal wedge block and the wedge groove are rough surfaces.

4. The detachable anchorage device for the reinforcement beam body according to claim 3, wherein both ends of the support rod are hinged with a connecting rod; the connecting rod is detachably connected with the support through a third bolt.

5. The detachable anchorage of a reinforcement beam body according to claim 4, wherein at least two support bars are provided; the support rod is provided with a radian matched with the outer surface of the jack.

6. The detachable anchorage device for the reinforcement beam body according to claim 5, wherein at least two threaded holes are uniformly formed in one side of the pressing block, which is close to the support; and support columns are sleeved in the threaded holes in a threaded manner.

7. A demountable anchorage assembly according to any one of claims 1 to 6, wherein the mounting plate is integrally formed with the slideway.

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