Anchoring structure

Abstract

The utility model relates to the technical field of building prestress, and discloses an anchoring structure which comprises a fixing assembly, a first anchoring part and a second anchoring part. The fixing assembly is arranged above the prestress block; the first anchoring part comprises a first anchoring plate and a prestressed steel strand, the first anchoring plate is arranged between the fixing assembly and the prestressed block, the second anchoring part comprises an anchor bolt part and a second anchoring plate, and the second anchoring plate is arranged in the prestressed block below the first anchoring plate; the first anchoring plate and the second anchoring plate are each provided with a first through hole and a second through hole in the vertical direction, and the second through holes and the first through holes are parallel and arranged at intervals. Wherein one end of the prestressed steel strand sequentially penetrates through first through holes of the first anchoring plate and the second anchoring plate and extends to be fixed in the prestressed block, and the other end of the prestressed steel strand is fixedly connected with the fixing assembly; one end of the anchor bolt piece sequentially penetrates through the second through holes and extends in the vertical direction to be fixedly connected with the second anchoring plate, and the other end of the anchor bolt piece is connected with the fixing assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of building prestress, in particular to an anchoring structure. Background Art

[0002] The building prestress system is an important engineering structure design and construction technology. By applying pre-tensioned steel bars or steel strands into the concrete structure, certain initial stress is generated in the concrete structure before it bears the load, thereby improving the mechanical properties of the structure, enhancing the bearing capacity and seismic resistance of the structure.

[0003] Currently, the anchoring structures in the existing building prestress systems are mostly prestressed steel strands, end anchor plates, and anchor fittings. This kind of prestress system is a single straight-line anchoring, and its anchoring force is the vertical anchoring force. The prestress bundle and the structural concrete share the force. However, during the daily use of the building, due to factors such as temperature, wind, and air pressure, the structure of the building will be affected, causing the prestress system to have a lateral offset, resulting in tiny cracks and displacements at the prestress anchor head end, and causing the original applied load of the prestress to be lost too quickly. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that in the prior art, the anchoring structure for the building prestress system can only provide vertical anchoring force and cannot provide lateral anchoring force for the prestress system.

[0005] To solve the above technical problem, the utility model provides an anchoring structure. It includes a prestress block, a fixing component, a first anchor fitting, and a second anchor fitting; the fixing component is arranged above the prestress block; the first anchor fitting includes a first anchor plate and a prestressed steel strand, the first anchor plate is arranged between the fixing component and the prestress block, the second anchor fitting includes an anchor bolt and a second anchor plate, the second anchor plate is arranged in the prestress block below the first anchor plate, both the first anchor plate and the second anchor plate are provided with a first through hole and a second through hole along the vertical direction, and the second through hole is parallel and spaced from the first through hole; wherein, one end of the prestressed steel strand sequentially passes through the first through holes of the first anchor plate and the second anchor plate and extends and is fixed in the prestress block to improve the vertical anchoring force of the prestress system, and the other end of the prestressed steel strand is fixedly connected with the fixing component; one end of the anchor bolt sequentially passes through the second through holes of the first anchor plate and the second anchor plate and extends along the vertical direction to be fixedly connected with the second anchor plate, and the other end of the anchor bolt is connected with the fixing component.

[0006] In an embodiment, the fixing component includes a flange, a nut, and an anchoring end. The anchoring end is located above the flange. One end of the prestressed steel strand passes through the flange and is fixedly connected with the anchoring end, and the anchor bolt passes through the flange and is fixed with the flange through the nut.

[0007] In one embodiment, the fixing component further includes a buffer gasket, which is arranged between the anchoring end and the flange, and the buffer gasket abuts against the anchoring end and the flange respectively.

[0008] In one embodiment, the flange includes a partition board, which is vertically arranged between the first anchor and the second anchor.

[0009] In one embodiment, a buffer layer is further included, which is arranged between the first anchoring plate and the prestressed block, and the buffer layer abuts against the first anchoring plate and the prestressed block respectively.

[0010] In one embodiment, a waterproof layer is provided on the outer surfaces of the buffer layer and the first anchoring plate, and a waterproof sealing tape is provided at one end of the waterproof layer close to the fixing component.

[0011] In one embodiment, both the first anchoring plate and the second anchoring plate are annular plates. A plurality of first through holes and second through holes are respectively arranged at intervals along the circumferences of the annular plates. The plurality of first through holes formed in the annular plate form a first hole group, and the plurality of second through holes formed in the annular plate respectively form a second hole group and a third hole group. The distance between the second hole group and the center of the annular plate is greater than the distance between the third hole group and the center of the annular plate. The distance between the first hole group and the center of the annular plate is equal to the distance between the second hole group and the center of the annular plate. The first through holes of the first hole group and the second through holes of the second hole group are arranged alternately along the circumference of the annular plate.

[0012] In one embodiment, the prestressed block is formed by casting with concrete materials.

[0013] Compared with the prior art, the beneficial effects of an anchoring structure in an embodiment of the present utility model are as follows: 1) A fixing assembly is located above the prestressed block and is used to fix the prestressed steel strands in the first anchor and the anchor bolts in the second anchor. This design makes the installation and maintenance of the prestressed system more convenient and also ensures the accurate relative positions of all components; 2) The first anchor provides vertical prestress for the entire prestressed system. The first anchor includes a first anchoring plate and prestressed steel strands. The first anchoring plate is located between the fixing assembly and the prestressed block and serves to transmit the vertical tensile force generated by the prestressed steel strands. One end of the prestressed steel strands sequentially passes through the first through-holes of the first anchoring plate and the second anchoring plate and extends and is fixed in the prestressed block. By tensioning the prestressed steel strands, the vertical anchoring force of the prestressed system can be significantly improved, thereby enhancing its overall stability; 3) The second anchor provides lateral prestress for the entire prestressed system. The second anchor includes anchor bolts and a second anchoring plate. One end of the anchor bolts sequentially passes through the second through-holes of the first anchoring plate and the second anchoring plate and extends in the vertical direction to be fixedly connected to the second anchoring plate. The other end of the anchor bolts is connected to the fixing assembly. This design enables the second anchoring plate to be firmly fixed in the prestressed block and is arranged horizontally to provide lateral anchoring force. Through the action of the second anchor, the horizontal force from the side of the prestressed system can be effectively resisted, further improving its stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of an embodiment of the present utility model.

[0015] Figure 2 is a partially enlarged schematic diagram of an embodiment of the present utility model.

[0016] Figure 3 is a waterproof schematic diagram of an embodiment of the present utility model.

[0017] Figure 4 is a top view of an embodiment of the present utility model.

[0018] Figure 5 is a schematic structural diagram of another angle of an embodiment of the present utility model.

[0019] In the figure, 1, the first anchor; 11, the first anchoring plate; 12, the prestressed steel strands; 2, the second anchor; 21, the anchor bolts; 22, the second anchoring plate; 3, the fixing assembly; 31, the anchoring end; 32, the buffer gasket; 33, the flange; 331, the isolation plate; 34, the nut; 4, the buffer layer; 5, the waterproof layer; 51, the waterproof sealing tape; 6, the prestressed block; 7, the first through-hole; 8, the second through-hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will further describe in detail the specific implementation manners of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0021] In the description of the present utility model, it should be understood that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. The terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "height", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the present utility model is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0023] In the description of the present utility model, it should be understood that the terms "first" and "second" in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0024] Such as Figures 1 to 5As shown in the figure, the present utility model preferably provides an anchoring structure, which includes a prestressed block 6, a fixing component 3, a first anchor 1 and a second anchor 2. The fixing component 3 is arranged above the prestressed block 6. The first anchor 1 includes a first anchor plate 11 and prestressed steel strands 12. The first anchor plate 11 is arranged between the fixing component 3 and the prestressed block 6. The second anchor 2 includes an anchor bolt 21 and a second anchor plate 22. The second anchor plate 22 is arranged in the prestressed block 6 below the first anchor plate 11. The first anchor plate 11 and the second anchor plate 22 are both provided with a first through hole 7 and a second through hole 8 in the vertical direction. The second through hole 8 is parallel and spaced from the first through hole 7. Wherein, one end of the prestressed steel strand 12 sequentially passes through the first through hole 7 of the first anchor plate 11 and the second anchor plate 22 and extends and is fixed in the prestressed block 6 to improve the vertical anchoring force of the prestressed system. The other end of the prestressed steel strand 12 is fixedly connected to the fixing component 3. One end of the anchor bolt 21 sequentially passes through the second through hole 8 of the first anchor plate 11 and the second anchor plate 22 and extends in the vertical direction to be fixedly connected to the second anchor plate 22. The other end of the anchor bolt 21 is connected to the fixing component 3.

[0025] Further, the number of the anchor bolts 21 is two.

[0026] Based on the above technical features, through the setting of the fixing component 3 in the present utility model, the fixing component 3 is located above the prestressed block 6 and is used to fix the prestressed steel strands 12 in the first anchor 1 and the anchor bolts 21 in the second anchor 2. This design makes the installation and maintenance of the prestressed system more convenient and also ensures the accurate relative positions of the components. Through the setting of the first anchor 1, vertical prestress is provided for the entire prestressed system. The first anchor 1 includes a first anchor plate 11 and prestressed steel strands 12. The first anchor plate 11 is located between the fixing component 3 and the prestressed block 6 and plays a role in transmitting the vertical tension generated by the prestressed steel strands 12. One end of the prestressed steel strand 12 sequentially passes through the first through hole 7 of the first anchor plate 11 and the second anchor plate 22 and extends and is fixed in the prestressed block 6. By tensioning the prestressed steel strands 12, the vertical anchoring force of the prestressed system can be significantly improved, thereby enhancing its overall stability. Through the setting of the second anchor 2, horizontal prestress is provided for the entire prestressed system. The second anchor 2 includes an anchor bolt 21 and a second anchor plate 22. One end of the anchor bolt 21 sequentially passes through the second through hole 8 of the first anchor plate 11 and the second anchor plate 22 and extends in the vertical direction to be fixedly connected to the second anchor plate 22. The other end of the anchor bolt 21 is connected to the fixing component 3. This design enables the second anchor plate 22 to be firmly fixed in the prestressed block 6 and is arranged horizontally to provide horizontal anchoring force. Through the action of the second anchor 2, the horizontal force from the side of the prestressed system can be effectively resisted, further improving its stability.

[0027] As some embodiments of the present utility model, Figure 2 As shown, the fixing assembly 3 includes a flange member 33, a nut 34 and an anchoring end 31. The anchoring end 31 is located above the flange member 33. One end of the prestressed steel strand 12 passes through the flange member 33 and is fixedly connected to the anchoring end 31. The anchor bolt 21 passes through the flange member 33 and is fixed to the flange member 33 by the nut 34. Through the arrangement of flange 33, nut 34 and anchoring end 31, flange 33 is used as a connection platform between prestressed steel strand 12 and anchor bolt 21, bearing the prestress from steel strand and the tightening force of anchor bolt 21; nut 34 cooperates with anchor bolt 21 passing through flange 33, and the anchor bolt 21 is tightened by rotating nut 34, thereby ensuring the firm connection between anchor bolt 21 and flange 33; anchoring end 31 is the fixing point of prestressed steel strand 12 in the structure, used to transfer the prestress of steel strand to the structure; anchoring end 31 is located above flange 33 and fixedly connected to one end of prestressed steel strand 12, and the design of anchoring end 31 needs to ensure that the prestress of steel strand can be reliably transferred. The firmness of the connection between fixing assembly 3 and prestressed steel strand 12 and bolt is effectively improved.

[0028] As some embodiments of the present utility model, Figure 2 As shown, the fixing assembly 3 further includes a buffer gasket 32, which is arranged between the anchor end 31 and the flange 33, and the buffer gasket 32 abuts against the anchor end 31 and the flange 33 respectively. The buffer gasket 32 is arranged between the anchor end 31 and the flange 33, and both the anchor end 31 and the flange 33 are made of metal. The main function of the buffer gasket 32 is to disperse the pressure of the rigid contact between the anchor end 31 and the flange 33. This dispersion effect helps to reduce local stress concentration, thereby protecting the anchor end 31 and the flange 33 from damage and extending their service life.

[0029] As some embodiments of the present utility model, Figure 2 As shown, the flange 33 includes an isolation plate 331, which is vertically arranged between the first anchor 1 and the second anchor 2. The first anchor 1 and the second anchor 2 are separated by the isolation plate 331, so that the first anchor 1 and the second anchor 2 can be installed and maintained more independently, and construction workers can more easily approach and operate each anchor without worrying about interfering with or damaging other anchors.

[0030] As some embodiments of the present utility model, Figure 2As shown in the figure, it further includes a buffer layer 4, which is arranged between the first anchor plate 11 and the prestressed block 6, and the buffer layer 4 abuts against the first anchor plate 11 and the prestressed block 6 respectively. Through the arrangement of the buffer layer 4, when the prestressed anchoring system works, huge tensile forces will be generated in the prestressed steel strands 12, and these tensile forces are transmitted to the prestressed block 6 through the first anchor plate 11. The existence of the buffer layer 4 can effectively disperse these stresses, prevent local stress concentration, and thus protect the prestressed block 6 and the anchoring system from damage. At the same time, the first anchor plate 11 is a key component in the prestressed anchoring system, and it directly bears the tensile force of the prestressed steel strands 12. As a protective layer, the buffer layer 4 can reduce the direct impact and wear of the prestressed block 6 on the first anchor plate 11 and extend its service life.

[0031] As some embodiments of the present utility model, as Figure 3 shown in the figure, a waterproof layer 5 is provided on the outer surfaces of the buffer layer 4 and the first anchor plate 11, and a waterproof sealing tape 51 is provided at one end of the waterproof layer 5 close to the fixing component 3. Through the arrangement of the waterproof layer 5, the main function of the waterproof layer 5 is to prevent external moisture from penetrating into the interior through structural gaps or holes, thereby avoiding the corrosion and damage of key components such as the prestressed steel strands 12, the first anchor plate 11, and the prestressed block 6. At the same time, the waterproof sealing tape 51 can also resist a certain amount of water pressure and temperature changes, ensuring good waterproof effect under harsh environments.

[0032] As some embodiments of the present utility model, as Figures 4 to 5 shown in the figure, both the first anchor plate 11 and the second anchor plate 22 are annular plates, and a plurality of first through holes 7 and second through holes 8 arranged at intervals are respectively formed along the circumferences of the annular plates. The plurality of first through holes 7 formed in the annular plate form a first hole group, and the plurality of second through holes 8 formed in the annular plate respectively form a second hole group and a third hole group. The distance H2 between the second hole group and the center of the annular plate is greater than the distance H3 between the third hole group and the center of the annular plate, the distance H1 between the first hole group and the center of the annular plate is equal to the distance H2 between the second hole group and the center of the annular plate, and the first through holes 7 of the first hole group and the second through holes 8 of the second hole group are arranged alternately along the circumference of the annular plate. Through the arrangement of the annular plate, first of all, both the first anchor plate 11 and the second anchor plate 22 are annular plates, and this design provides uniform load-bearing capacity and stress dispersion ability. The annular structure can effectively transmit and disperse forces in multiple directions, which helps to enhance the stability and durability of the anchoring system. At the same time, the first through holes 7 of the first hole group and the second through holes 8 of the second hole group are arranged alternately along the circumference of the annular plate, and this design helps to further evenly distribute stresses and torques, reduce stress concentration phenomena, and it can also improve the connection strength and stability between the prestressed steel strands 12 and the anchor bolts 21 or other connecting components.

[0033] In some embodiments of the present utility model, the prestressed block 6 is formed by casting with concrete materials. Concrete is a building material with high strength and high durability. It can withstand large pressures and tensile forces, and at the same time has good anti-wear and anti-corrosion properties. These characteristics make concrete an ideal choice for the material of the prestressed block 6, which can ensure the long-term stable operation of the prestressed system.

[0034] In summary, compared with the prior art, the anchoring structure provided by the embodiments of the present utility model has the following beneficial effects: 1) The fixing component 3 is located above the prestressed block 6 and is used to fix the prestressed steel strand 12 in the first anchor 1 and the anchor bolt 21 in the second anchor 2. This design makes the installation and maintenance of the prestressed system more convenient and also ensures the accurate relative positions of the components; 2) The first anchor 1 provides vertical prestress for the entire prestressed system. The first anchor 1 includes a first anchor plate 11 and a prestressed steel strand 12. The first anchor plate 11 is located between the fixing component 3 and the prestressed block 6 and plays a role in transmitting the vertical tensile force generated by the prestressed steel strand 12. One end of the prestressed steel strand 12 sequentially passes through the first through hole 7 of the first anchor plate 11 and the second anchor plate 22 and extends and is fixed in the prestressed block 6. By tensioning the prestressed steel strand 12, the vertical anchoring force of the prestressed system can be significantly improved, thereby enhancing its overall stability; 3) The second anchor 2 provides horizontal prestress for the entire prestressed system. The second anchor 2 includes an anchor bolt 21 and a second anchor plate 22. One end of the anchor bolt 21 sequentially passes through the second through hole 8 of the first anchor plate 11 and the second anchor plate 22 and extends in the vertical direction to be fixedly connected to the second anchor plate 22. The other end of the anchor bolt 21 is connected to the fixing component 3. This design enables the second anchor plate 22 to be firmly fixed in the prestressed block 6 and is arranged horizontally to provide horizontal anchoring force. Through the action of the second anchor 2, the horizontal force from the side of the prestressed system can be effectively resisted, further improving its stability.

[0035] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection scope of the present utility model.

Claims

1. An anchoring structure, characterized in that, It includes a prestressed block, a fixing component, a first anchor and a second anchor; The fixing component is arranged above the prestressed block; The first anchor includes a first anchor plate and prestressed steel strands. The first anchor plate is arranged between the fixing component and the prestressed block. The second anchor includes an anchor bolt and a second anchor plate. The second anchor plate is arranged in the prestressed block below the first anchor plate. The first anchor plate and the second anchor plate are both provided with a first through hole and a second through hole in the vertical direction. The second through hole is parallel and spaced from the first through hole; Wherein, one end of the prestressed steel strand sequentially passes through the first through holes of the first anchor plate and the second anchor plate and extends and is fixed in the prestressed block to improve the vertical anchoring force of the prestressed system. The other end of the prestressed steel strand is fixedly connected to the fixing component; One end of the anchor bolt sequentially passes through the second through holes of the first anchor plate and the second anchor plate and extends in the vertical direction to be fixedly connected to the second anchor plate. The other end of the anchor bolt is connected to the fixing component.

2. The anchoring structure according to claim 1, wherein, The fixing component includes a flange, a nut and an anchoring end. The anchoring end is located above the flange. One end of the prestressed steel strand passes through the flange and is fixedly connected to the anchoring end. The anchor bolt passes through the flange and is fixed to the flange through the nut.

3. The anchoring structure according to claim 2, wherein, The fixing component further includes a buffer gasket. The buffer gasket is arranged between the anchoring end and the flange. The buffer gasket abuts against the anchoring end and the flange respectively.

4. The anchoring structure according to claim 3, characterized in that, The flange includes a partition plate. The partition plate is vertically arranged between the first anchor and the second anchor.

5. The anchoring structure according to claim 1, characterized in that, It further includes a buffer layer. The buffer layer is arranged between the first anchor plate and the prestressed block. The buffer layer abuts against the first anchor plate and the prestressed block respectively.

6. The anchoring structure according to claim 5, characterized in that, A waterproof layer is arranged on the outer surfaces of the buffer layer and the first anchor plate. And a waterproof sealing tape is arranged at one end of the waterproof layer close to the fixing component.

7. The anchoring structure according to claim 1, characterized in that, The first anchor plate and the second anchor plate are both annular plates. A plurality of spaced first through holes and second through holes are respectively arranged along the circumferences of the annular plates. The plurality of first through holes formed in the annular plate form a first hole group. The plurality of second through holes formed in the annular plate respectively form a second hole group and a third hole group. The distance between the second hole group and the center of the annular plate is greater than the distance between the third hole group and the center of the annular plate. The distance between the first hole group and the center of the annular plate is equal to the distance between the second hole group and the center of the annular plate. The first through holes of the first hole group and the second through holes of the second hole group are arranged alternately along the circumference of the annular plate.

8. The anchoring structure according to claim 1, characterized in that The prestressed block is formed by casting with concrete material.

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