Prestressed tendon anchoring device suitable for various types of prestressed beams and implementation method

Abstract

The invention belongs to the technical field of civil engineering, and particularly relates to a prestressed tendon anchoring device suitable for various types of prestressed beams and an implementation method. Comprising a manufacturing pedestal, a prestressed concrete beam and an anchoring device, and the prestressed concrete beam is arranged on the manufacturing pedestal. The anchoring device comprises a supporting stand column, an anchorage device bearing platform, an anchorage device assembly and twisted steel, the supporting stand column is arranged at the end of the base, the anchorage device bearing platform is detachably connected to the supporting stand column, the anchorage device assembly is detachably connected with the anchorage device bearing platform, the twisted steel is installed on the anchorage device assembly, and one end of the twisted steel is connected with the prestressed concrete beam. The anchorage device bearing platform is arranged on the supporting stand columns, and the height of the anchorage device bearing platform can be adjusted according to needs. The device can be suitable for tensioning and anchoring reinforcing steel bars in various height, width and prestressed tendon arrangement modes, the production efficiency can be improved, and the cost can be reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of civil engineering, and particularly relates to a prestressed tendon anchoring device applicable to various types of prestressed beams and an implementation method thereof. Background Technique

[0002] Under the macro background of the country's strong advocacy of energy conservation and emission reduction, China's construction industry is actively carrying out strategic transformation towards green buildings and building industrialization. As a new type of structural form, prestressed concrete beams have the advantages of large span, strong load-bearing capacity, good seismic performance, etc., and have received extensive attention and application in domestic engineering projects, especially in industrial buildings.

[0003] However, in the production process of prestressed concrete beam products, traditional prestressed steel bar anchoring devices often have problems such as poor adaptability, low construction efficiency, and high costs. Specifically, traditional steel bar anchoring devices are usually designed for specific prestressed concrete beams. When the height or width of the beam is different, and the number and spacing of prestressed tendons are also necessarily different, traditional anchoring devices need to be adjusted and replaced according to the prestressed tendons, which greatly affects the production efficiency. Due to the lack of modular and combined design in traditional devices, they cannot quickly adapt to different production requirements, resulting in a large amount of time spent on the installation and adjustment of the device during the production process, thus prolonging the construction period and increasing the production cost. Therefore, it is necessary to design a prestressed tendon anchoring device applicable to various types of prestressed beams and an implementation method to solve the above problems. Summary of the Invention

[0004] In view of the above problems, the present invention provides a prestressed tendon anchoring device applicable to various types of prestressed beams and an implementation method to solve the problems raised in the above background technique.

[0005] To achieve the above object, the present invention provides the following technical solution: A prestressed tendon anchoring device applicable to various types of prestressed beams, comprising: A production pedestal, the production pedestal includes a base and a beam bottom mold, and the beam bottom mold is arranged on the upper end of the base; A prestressed concrete beam, the prestressed concrete beam is arranged on the upper end of the beam bottom mold; An anchoring device, the anchoring device includes a support column, an anchor support platform, an anchor assembly, and a threaded steel bar. The support column is arranged at the end of the base, the anchor support platform is arranged on the support column, the anchor assembly is detachably connected to the anchor support platform, and one end of the threaded steel bar passes through the anchor assembly and is connected to the prestressed concrete beam.

[0006] Further, the prestressed concrete beam includes: A concrete beam, which is arranged at the upper end of the beam bottom mold; A prestressed tendon, one end of which is inserted into the concrete beam and the other end is used to connect with the threaded steel bar.

[0007] Furthermore, the anchor assembly includes: An anchor fixing member, which is used to be inserted onto the anchor supporting platform, and a notch is formed on the anchor fixing member; A combined limit anchor member, which is used to be inserted into the notch.

[0008] Furthermore, the combined limit anchor member includes: A steel bar limit connector, which is used to limit the threaded steel bar; An adjusting module, which is used to be combined with the steel bar limit connector to adapt to various prestressed tendon arrangement forms.

[0009] Furthermore, a shear and compression wing block for the steel bar connector is arranged at the end of the steel bar limit connector, and holes are formed on the steel bar limit connector, and the threaded steel bar is used to pass through the holes.

[0010] Furthermore, the anchor device further includes: A connection joint, which is used to connect the prestressed tendon and the threaded steel bar.

[0011] Furthermore, the shape and size of the adjusting module are the same as those of the steel bar connector, and the width of the adjusting module is smaller than the width of the steel bar connector.

[0012] Furthermore, the anchor supporting platform further includes: Bolt holes, which are arranged on the anchor supporting platform, and the bolt holes are used to set tie bolts, and the tie bolts are used to fix the anchor supporting platform to the support column.

[0013] An implementation method of a prestressed tendon anchoring device applicable to prestressed beams of multiple types, characterized in that the prestressed tendon anchoring device applicable to prestressed beams of multiple types as described above is applied, including: Step S1, determine the production material of the base according to the production requirements of the prestressed concrete beam; Step S2, set a beam bottom mold on the base; Step S3, set an anchoring device at the end of the base.

[0014] The technical effects and advantages of the present invention: By setting the anchor supporting platform on the supporting column, the height of the anchor supporting platform can be adjusted as needed.

[0015] Anchor components with different structures can be set on the anchor supporting platform as needed, so that different numbers and positions of threaded steel bars can be installed on the anchor components, thus being able to be applicable to the tensioning and anchoring of various high, wide and prestressed tendon arrangement forms of steel bars, improving production efficiency and reducing costs.

[0016] Detachably connecting the anchor component to the anchor supporting platform and detachably connecting the anchor supporting platform to the supporting column can facilitate the disassembly and assembly of the anchor component and the anchor supporting platform, providing components that are easy to disassemble, assemble and replace for later reuse, reducing maintenance costs and time.

[0017] Other features and advantages of the present invention will be described in the subsequent specification, and, in part, will become apparent from the specification or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained through the means pointed out in the specification and the drawings. Brief Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 Shows the structural schematic diagram of the prestressed tendon anchoring device applicable to various types of prestressed beams in the embodiment of the present invention; Figure 2 Shows the structural schematic diagram of the combined limit T-shaped anchor in the embodiment of the present invention; Figure 3 Shows the structural schematic diagram of the combined limit L-shaped anchor in the embodiment of the present invention; Figure 4 Shows the cross-sectional view of the prestressed tendon anchoring device applicable to various types of prestressed beams in the embodiment of the present invention; Figure 5 Shows the partial cross-sectional view of the prestressed tendon anchoring device applicable to various types of prestressed beams in the embodiment of the present invention.

[0020] Reference numerals: 1, production pedestal; 2, anchoring device; 3, prestressed concrete beam; 4, base; 5, beam bottom mold; 6, support column; 7, anchor bearing platform A; 8, anchor bearing platform B; 9, anchor assembly A; 10, anchor assembly B; 11, threaded steel bar; 12, fastening nut; 13, connection joint; 14, prestressing tendon; 15, concrete beam; 16, notch-shaped groove A; 17, bolt hole A; 18, bolt hole B; 19, notch-shaped groove B; 20, anchor fixing piece A; 21, combined limit T-shaped anchor; 22, T-shaped steel bar limit connector; 23, T-shaped adjustment module; 24, hole A; 25, hole B; 26, shear and compression wing block of T-shaped steel bar connector; 27, anchor fixing piece B; 28, combined limit L-shaped anchor; 29, L-shaped steel bar limit connector; 30, L-shaped adjustment module; 31, shear and compression wing block of L-shaped steel bar connector. Detailed implementation manners

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] The positive direction of the X-axis is the front, the negative direction of the X-axis is the rear, the positive direction of the Y-axis is the left, the negative direction of the Y-axis is the right, the positive direction of the Z-axis is the upper, and the negative direction of the Z-axis is the lower.

[0023] Such as Figure 1 、 Figure 4 And Figure 5As shown in the figure, a prestressed tendon anchoring device applicable to various types of prestressed beams according to an embodiment of the present invention includes a production pedestal 1, a prestressed concrete beam 3, and an anchoring device 2. The prestressed concrete beam 3 is arranged on the production pedestal 1. The anchoring device 2 includes a support column 6, an anchor holder platform, an anchor assembly, and a threaded steel bar 11. The support column 6 is arranged at the end of the base 4. The anchor holder platform is detachably connected to the support column 6. The anchor assembly is detachably connected to the anchor holder platform. The threaded steel bar 11 is installed on the anchor assembly. One end of the threaded steel bar 11 is connected to the prestressed concrete beam 3. Thus, by arranging the anchor holder platform on the support column 6, the height of the anchor holder platform can be adjusted as needed. Secondly, different types of anchor assemblies can be arranged on the anchor holder platform as needed, so that different numbers and positions of threaded steel bars 11 can be installed on the anchor assembly, thereby being applicable to the tensioning and anchoring of various high, wide, and prestressed tendon 14 arrangement forms of steel bars, improving production efficiency, and reducing costs. In addition, by detachably connecting the anchor assembly to the anchor holder platform and detachably connecting the anchor holder platform to the support column 6, it is convenient to disassemble and assemble the anchor assembly and the anchor holder platform, providing components that are easy to disassemble, assemble, and replace for later reuse, reducing maintenance costs and time.

[0024] In this embodiment, the anchor assembly includes an anchor assembly A9 and an anchor assembly B10. The anchor assembly A9 is located above the anchor assembly B10. The anchor holder platform includes an anchor holder platform A7 and an anchor holder platform B8. A plurality of bolt holes A17 distributed in the vertical direction are provided on the support column 6 for fixing the anchor holder platform A7 and providing a support structure for the anchoring device 2. A notch-shaped groove A16 and bolt holes B18 are formed on the anchor holder platform A7. The notch-shaped groove A16 is used to place the anchor assembly A9. A pull bolt can be used to pass through the bolt holes A17 and bolt holes B18 to fix the anchor holder platform A7 on the support column 6, and the height of the anchor holder platform A7 can be adjusted through the bolt holes A17 at different heights of the support column 6 to adapt to the different positions of the prestressed tendons 14 when the height of the prestressed beam is different. Secondly, a notch-shaped groove B19 is formed on the anchor holder platform B8 for placing the anchor assembly B10.

[0025] Optionally, as Figure 1 , Figure 4 and Figure 5 shown, the production pedestal 1 includes a base 4 and a beam bottom mold 5. The beam bottom mold 5 is arranged at the upper end of the base 4. The prestressed concrete beam 3 is arranged at the upper end of the beam bottom mold 5.

[0026] In this embodiment, the bottom formwork 5 of the beam is the bottom forming formwork of the prestressed concrete beam 3. Starting from the applicability and adjustability of the formwork, prefabricated aluminum products assembled by parts can be used, which is convenient to achieve combinations of various widths and lengths through different forms of assembly and adapt to the requirements of different beam widths. Preferably, the production pedestal 1 can adopt a base 4 made of assembled steel structure, which is convenient to disassemble, light in weight, reusable, standardized in production, and assembled on site. When the production site changes, it is convenient to reuse.

[0027] Optionally, as Figure 4 and Figure 5 shown, the prestressed concrete beam 3 includes a concrete beam 15 and prestressed tendons 14, and the concrete beam 15 is arranged at the upper end of the bottom formwork 5 of the beam. One end of the prestressed tendon 14 is inserted into the concrete beam 15, and the other end is used to connect with the threaded steel bar 11.

[0028] Optionally, as Figure 1 shown, the anchor assembly A9 includes an anchor fixing part A20 and a combined limit T-shaped anchor 21, and the anchor assembly B10 includes an anchor fixing part B27 and a combined limit L-shaped anchor 28. A T-shaped notch is formed inside the anchor fixing part A20, and a T-shaped notch is also formed inside the anchor fixing part B27. The combined limit T-shaped anchor 21 is used to be inserted into the T-shaped notch inside the anchor fixing part A20, and two combined limit L-shaped anchors 28 are symmetrically distributed to form a T-shaped structure and are used to be inserted into the T-shaped notch inside the anchor fixing part B27.

[0029] Optionally, as Figures 1 to 4 shown, the combined limit T-shaped anchor 21 includes a T-shaped steel bar limit connector 22 and a T-shaped adjustment module 23, the combined limit L-shaped anchor 28 includes an L-shaped steel bar limit connector 29 and an L-shaped adjustment module 30, and both the T-shaped steel bar limit connector 22 and the L-shaped steel bar limit connector 29 are used to install the threaded steel bar 11. Specifically, the shape of the T-shaped adjustment module 23 is the same as that of the T-shaped steel bar limit connector 22. Multiple T-shaped steel bar limit connectors 22 and multiple T-shaped adjustment modules 23 can be arranged in the T-shaped notch inside the anchor fixing part A20 for combination. That is, by selecting different numbers of T-shaped steel bar limit connectors 22 and different numbers of T-shaped adjustment modules 23 for combination, the number of T-shaped steel bar limit connectors 22 and the spacing between two adjacent T-shaped steel bar limit connectors 22 can be adjusted. Then, by installing the threaded steel bar 11 on the T-shaped steel bar limit connector 22, the number and spacing of the threaded steel bars 11 in the combined limit T-shaped anchor 21 can be adjusted.

[0030] Secondly, the L-shaped adjusting module 30 has the same shape as the L-shaped steel bar limiting connector 29. Multiple L-shaped steel bar limiting connectors 29 and multiple L-shaped adjusting modules 30 can be arranged in the T-shaped notch inside the anchor fixture B27 for combination. By selecting different numbers of L-shaped steel bar limiting connectors 29 and different numbers of L-shaped adjusting modules 30 for combination, the number of L-shaped steel bar limiting connectors 29 and the spacing between two adjacent L-shaped steel bar limiting connectors 29 can be adjusted. Then, by installing threaded steel bars 11 on the L-shaped steel bar limiting connectors 29, the number and spacing of the threaded steel bars 11 in the combined limiting L-shaped anchor 28 can be adjusted.

[0031] Moreover, since the height of the anchor bearing platform is adjustable, the heights of the combined limiting T-shaped anchor 21 and the combined limiting L-shaped anchor 28 are also adjustable, enabling the device to be applicable to the tensioning and anchoring of various high, wide, and prestressed tendon 14 arrangement forms of steel bars, which can improve production efficiency and reduce costs.

[0032] In this embodiment, preferably, the cross-sectional width of the T-shaped adjusting module 23 is set to 1 / 2 or 1 / 3 of the cross-sectional width of the T-shaped steel bar limiting connector 22. According to the different cross-sections of the prestressed beam and different arrangement methods of the prestressed tendons 14, including the spacing and number of prestressed steel bars, as well as the different widths of the prestressed beam, the T-shaped steel bar limiting connector 22 and the T-shaped adjusting module 23 can be freely combined to realize different combinations of the combined limiting T-shaped anchor 21 according to the beam design, achieving the adaptability and adjustability of the anchoring device 2 to different prestressed beams. The height dimension of the T-shaped notch of the anchor fixture A20 matches the dimension of the combined limiting T-shaped anchor 21, and the width dimension of this T-shaped notch is preferably set to a larger value to meet the requirements of the prestressed tendon 14 arrangement of different prestressed beams. Correspondingly, the cross-sectional width of the L-shaped adjusting module 30 is set to 1 / 2 or 1 / 3 of the cross-sectional width of the L-shaped steel bar limiting connector 29. According to the different cross-sections of the prestressed beam and different arrangement methods of the prestressed tendons 14, including the spacing and number of prestressed steel bars, as well as the different widths of the prestressed beam, the L-shaped steel bar limiting connector 29 and the L-shaped adjusting module 30 can be freely combined to realize different combinations of the combined limiting L-shaped anchor 28 according to the beam design, achieving the adaptability and adjustability of the anchoring device 2 to different prestressed beams. The height dimension of the T-shaped notch of the anchor fixture B27 matches the dimension of the T-shaped structure composed of two symmetrically distributed combined limiting L-shaped anchors 28, and the width dimension of this T-shaped notch is preferably set to a larger value to meet the requirements of the prestressed tendon 14 arrangement of different prestressed beams.

[0033] Optionally, as Figures 2 to 4As shown, a shear - and - compression - bearing wing block 26 of a T - shaped steel bar connector is connected to the end of the T - shaped steel bar position - limiting connector 22. A hole A24 is provided on the T - shaped steel bar position - limiting connector 22. A shear - and - compression - bearing wing block 31 of an L - shaped steel bar connector is connected to the end of the L - shaped steel bar position - limiting connector 29. A hole B25 is provided on the L - shaped steel bar position - limiting connector 29.

[0034] Optionally, as Figure 4 and Figure 5 shown, the anchoring device 2 further includes a connection joint 13, and the connection joint 13 is used to connect the prestressed tendon 14 and the threaded steel bar 11.

[0035] In this embodiment, as Figure 1 and Figure 4 shown, the anchoring device 2 further includes a fastening nut 12. Specifically, one end of the threaded steel bar 11 is connected with a connection head for connecting with the prestressed tendon 14, and the other end presses the threaded steel bar 11 tightly against the T - shaped steel bar position - limiting connector 22 and the L - shaped steel bar position - limiting connector 29 through the fastening nut 12.

[0036] An implementation method of a prestressed tendon anchoring device applicable to prestressed beams of multiple types according to another embodiment of the present invention, which applies the prestressed tendon anchoring device applicable to prestressed beams of multiple types as described above, includes: Step S1, according to the production requirements of the prestressed concrete beam 3, reasonably determine the manufacturing material of the base 4. Preferably, steel - made or aluminum - made bases can be considered, which are convenient for disassembly, light in weight, easy to assemble and disassemble, reusable, standardized products, and can be assembled on - site.

[0037] Step S2, a prestressed beam bottom mold 5 is arranged on the base 4. Considering the applicability and adjustability of the mold, the width of the beam bottom mold 5 needs to meet the actual requirements of most construction projects. Preferably, it is designed as the maximum value of common engineering dimensions, which is convenient for subsequently adjusting the internal components to adapt to beam widths smaller than this design maximum value.

[0038] Step S3, a steel bar anchoring device 2 is arranged at the end of the production pedestal 1, and a support column 6 is arranged at the end of the production pedestal 1. The support column 6 needs to meet the stability during prestress tensioning and the reliability of prestressed tendon 14 anchoring according to the setting situation.

[0039] Preferably, an implementation method of a prestressed beam upper - part prestressed tendon anchoring assembly: Step S311, a hole A24 is opened on the T - shaped steel bar position - limiting connector 22, and a shear - and - compression - bearing wing block 26 of the T - shaped steel bar connector is arranged at the end of the T - shaped steel bar position - limiting connector 22; the T - shaped adjustment module 23 has the same shape as the T - shaped steel bar position - limiting connector 22 and does not have a prestressed threaded steel bar hole. Its main function is to adapt to different forms of the prestressed tendon 14 and freely combine to form a combined position - limiting T - shaped anchor 21.

[0040] The cross-sectional width of the T-shaped steel bar limiting connector 22 is set to meet the requirements of the prestressed threaded steel bar hole and its own rigidity and strength; at the same time, the T-shaped adjustment module 23 is convenient to match the T-shaped steel bar limiting connector 22. Preferably, the cross-sectional width of the T-shaped adjustment module 23 is set to 1 / 2 or 1 / 3 of the cross-sectional width of the T-shaped steel bar limiting connector 22.

[0041] Step S312, according to the different cross-sections of the prestressed beams, different arrangements of the prestressed tendons 14, including the spacing and number of prestressed steel bars, as well as the different widths of the prestressed beams, the T-shaped steel bar limiting connector 22 and the T-shaped adjustment module 23 can be freely combined, and different combinations of combined limiting T-shaped anchors 21 can be realized according to the beam design conditions, so as to realize the adaptability and adjustability of the anchoring device 2 to different prestressed beams.

[0042] Step S313, making the anchor assembly A9. The anchor fixture A20 of the anchor assembly A9 is provided with a T-shaped notch inside for fixing and installing the combined limit T-shaped anchor 21. The height dimension of the middle T-shaped notch of the anchor fixture A20 matches the dimension of the T-shaped combined limit T-shaped anchor 21, and the width dimension of the middle T-shaped notch is set as large as possible to adapt to the arrangement requirements of the prestressed tendons 14 of different prestressed beams.

[0043] Step S314, making the anchor support platform A7; the anchor support platform A7 is provided with a notch-shaped slot A16 and a bolt hole, and the notch-shaped slot A16 is used to place the anchor assembly A9. The anchor support platform A7 is fixed to the support column 6 by tension bolts, and the position of the anchor support platform A7 is adjusted by the position of the bolt hole to adapt to the different positions of the prestressed tendons 14 when the prestressed beam height is different.

[0044] Preferably, a method for implementing the anchoring assembly of the prestressed tendons at the bottom of a prestressed beam is as follows: Step S321, the L-shaped steel bar limiting connector 29 is provided with a prestressed threaded steel bar hole, and the end of the L-shaped steel bar limiting connector 29 is provided with an L-shaped steel bar connector shear and compression wing block 31; the L-shaped adjustment module 30 has the same shape as the L-shaped steel bar limiting connector 29, and is not provided with a prestressed threaded steel bar hole. Its main function is to adapt to different forms of the prestressed tendons 14 and freely combine to form a combined limiting anchor.

[0045] Among them, the cross-sectional width of the L-shaped steel bar limiting connector 29 is set to meet the requirements of the prestressed threaded steel bar hole and its own stiffness and strength; at the same time, the L-shaped adjustment module 30 is convenient to match the L-shaped steel bar limiting connector 29. As a preferred embodiment, the cross-sectional width of the L-shaped adjustment module 30 is set to 1 / 2 or 1 / 3 of the cross-sectional width of the L-shaped steel bar limiting connector 29.

[0046] Step S322: According to the different cross-sections of the prestressed beam and the different layout modes of the prestressed tendons 14, including the spacing and number of prestressed steel bars, as well as the different widths of the prestressed beam, the L-shaped steel bar limit connector 29 and the L-shaped adjustment module 30 can be freely combined to form a combined limit anchor in different combinations according to the beam design conditions, so as to realize the adaptability and adjustability of the anchoring device 2 to different prestressed beams.

[0047] Step S323: Fabricate the anchor assembly B10. Inside the anchor fixture B27 of the anchor assembly B10, there is a T-shaped notch for fixedly installing the combined limit L-shaped anchor 28. The height dimension of the T-shaped notch of the anchor fixture B27 matches the dimension of the combined limit anchor, and the width dimension of the T-shaped notch is preferably set to a relatively large value to meet the layout requirements of the prestressed tendons 14 of different prestressed beams.

[0048] Step S324: Fabricate the anchor support platform B8; the anchor support platform B8 is provided with a notch-shaped groove B19 for placing the anchor assembly B10.

[0049] Step S325: According to the position of the production pedestal 1 and the position of the steel bars of the prestressed concrete beam 3, adjust and control the height positions of the anchor support platform A7 and the anchor support platform B8 on the support column 6; limit and fix the combined limit T-shaped anchor 21A that meets the layout of the beam prestressed tendons 14 in the upper beam prestressed tendon anchor assembly A9, and limit and fix the combined limit L-shaped anchor 28 in the lower beam prestressed tendon anchor assembly B10; then fix the anchor assembly A9 and the anchor assembly B10 in the upper beam anchor support platform A7 and the lower beam anchor support platform B8.

[0050] Step S326: The threaded steel bar 11 passes through the hole A24 and the hole B25, and the end is fastened with a nut on the limited prestressed threaded steel bar 11. Near the prestressed beam side, the threaded steel bar 11 is connected to the prestressed tendon 14 through the connection joint 13.

[0051] Step S327: Connect a tensioning device at the tensioning end of the threaded steel bar 11 for tensioning. The other end of the prestressed beam fixes the prestressed tendon 14 through the anchoring device 2, and the prestressed tendon is in tension. The anchor support platform A7, the anchor support platform B8, the anchor assembly A9, the anchor assembly B10, the threaded steel bar 11, the combined limit T-shaped anchor 21 and the combined limit L-shaped anchor 28 are tightly constrained together.

[0052] When it is necessary to tension the steel bars of another prestressed beam with different height and width, the position of the upper beam anchor support platform A7 can be adjusted through the bolt holes, and the combined limit T-shaped anchor 21 and the combined limit L-shaped anchor 28 can be replaced to achieve the adaptability to changes in the number and position of the steel bars of the prestressed beam.

[0053] Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A prestressed tendon anchoring device applicable to multiple types of prestressed beams, characterized in that, Comprising: A production pedestal (1), the production pedestal (1) comprising a base (4) and a beam bottom mold (5), the beam bottom mold (5) being disposed at the upper end of the base (4); A prestressed concrete beam (3), the prestressed concrete beam (3) being disposed on the upper end of the beam bottom mold (5); An anchoring device (2), the anchoring device (2) comprising a support column (6), an anchor support platform, an anchor assembly, and a threaded steel bar (11), the support column (6) being disposed at the end of the base (4), the anchor support platform being disposed on the support column (6), the anchor assembly being detachably connected to the anchor support platform, and one end of the threaded steel bar (11) passing through the anchor assembly and connecting to the prestressed concrete beam (3).

2. The prestressed tendon anchoring device applicable to multiple types of prestressed beams according to claim 1, wherein The prestressed concrete beam (3) comprises: A concrete beam (15), the concrete beam (15) being disposed on the upper end of the beam bottom mold (5); Prestressing tendons (14), one end of the prestressing tendons (14) being inserted into the concrete beam (15), and the other end being used for connecting to the threaded steel bar (11).

3. The prestressed tendon anchoring device applicable to multiple types of prestressed beams according to claim 2, characterized in that, The anchor assembly comprises: An anchor fixing member for inserting onto the anchor support platform, the anchor fixing member having a notch formed therein; A combined limit anchor member for inserting into the notch.

4. The prestressed tendon anchoring device applicable to multiple types of prestressed beams according to claim 3, characterized in that The combined limit anchor member comprises: A steel bar limit connector for limiting the threaded steel bar (11); An adjustment module for combining with the steel bar limit connector to adapt to various prestressing tendon layout forms.

5. The prestressed tendon anchoring device applicable to multiple types of prestressed beams according to claim 4, characterized in that The end of the steel bar limit connector is provided with shear and compression wing blocks for the steel bar connector, and the steel bar limit connector has holes formed therein, the threaded steel bar (11) being adapted to pass through the holes.

6. The prestressed tendon anchoring device applicable to multiple types of prestressed beams according to claim 5, characterized in that The anchor device further comprises: A connection joint (13) for connecting the prestressing tendons (14) and the threaded steel bar (11).

7. The prestressed tendon anchoring device applicable to multiple types of prestressed beams according to claim 6, characterized in that, The shape and size of the adjustment module are the same as those of the steel bar connector, and the width of the adjustment module is less than the width of the steel bar connector.

8. The prestressed tendon anchoring device applicable to multiple types of prestressed beams according to claim 1, characterized in that, The anchor support platform further comprises: Bolt holes disposed on the anchor support platform for setting tie bolts, the tie bolts being used for fixing the anchor support platform to the support column (6).

9. An implementation method of a prestressed tendon anchoring device applicable to multiple types of prestressed beams, characterized in that, Applying the prestressing tendon anchoring device for various types of prestressed beams as claimed in any one of claims 1 to 8, comprising: Step S1, determining the production material of the base (4) according to the production requirements of the prestressed concrete beam (3); Step S2, setting the beam bottom mold (5) on the base (4); Step S3, setting the anchoring device (2) at the end of the base (4).

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