CN217810310U - Prestressed anchorage utensil is used in highway construction - Google Patents
Prestressed anchorage utensil is used in highway construction Download PDFInfo
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- CN217810310U CN217810310U CN202221920902.3U CN202221920902U CN217810310U CN 217810310 U CN217810310 U CN 217810310U CN 202221920902 U CN202221920902 U CN 202221920902U CN 217810310 U CN217810310 U CN 217810310U
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- anchor
- backing plate
- mounting panel
- steel strand
- plate
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Abstract
The utility model discloses a prestressed anchorage utensil for highway construction belongs to prestressed anchorage utensil technical field, include the mounting panel and fix anchor backing plate and the anchor slab at the mounting panel both ends, the anchor slab is embedded to be fixed in the mounting panel, and the lateral wall of anchor slab sets up a plurality of rotation grooves that are linked together with anchor backing plate inside, the inner wall central point department of putting of rotating the groove has seted up the constant head tank, and has coincided the grafting in the rotation groove and have the rotating tube, the outer wall protrusion of rotating tube is provided with the location portion of joint in the constant head tank, and the symmetry is provided with the strand board in the rotating tube, embedded the steel strand wires of fixing between two strand boards in the anchor backing plate, the anchor backing plate is the toper structure, and the one end that the mounting panel was kept away from to the anchor backing plate is fixed with the beam coil, this prestressed anchorage utensil for highway construction has avoided the friction that produces between steel strand wires and the mounting panel, has avoided wearing and tearing to lead to the cracked condition between steel strand wires and the mounting panel.
Description
Technical Field
The utility model belongs to the technical field of prestressed anchorage utensil, especially, relate to a prestressed anchorage utensil for highway construction.
Background
The anchorage is a permanent anchorage device used in prestressed concrete, and is an anchorage tool, also called prestressed anchorage device, used in post-tensioning structure or member for maintaining the tension of prestressed tendon and transferring it into the interior of concrete.
When an anchorage device clamping piece is placed on a prestressed anchorage device block, a steel bar clamping piece needs to be aligned to a steel bar hole of the prestressed anchorage device block, most of steel strands of the prestressed anchorage device directly contact with a mounting plate, the steel strands rub with the side wall of a rotating groove in the mounting plate when being stressed, and the steel strands are worn when being stressed and are easy to break.
Therefore, the pre-stressed anchorage device for highway construction is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art, prestressed anchorage utensil steel strand wires and mounting panel direct contact during highway construction, steel strand wires rotate the lateral wall friction in groove on the hard with the mounting panel, and steel strand wires appear wearing and tearing when hard friction, take place the problem of the cracked condition of steel strand wires easily, and the prestressed anchorage utensil for highway construction who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a prestressed anchorage utensil for highway construction, includes the mounting panel and fixes anchor backing plate and the anchor slab at the mounting panel both ends, the anchor slab is embedded to be fixed in the mounting panel, and the lateral wall of anchor slab sets up a plurality of rotation grooves that are linked together with the anchor backing plate is inside, the inner wall central point department of putting of rotating the groove has seted up the constant head tank, and has coincided the grafting in the rotation groove and have had the rotating tube, the outer wall protrusion of rotating tube is provided with the location portion of joint in the constant head tank, and the symmetry is provided with the wiring board in the rotating tube, it has the steel strand wires of fixing between two wiring boards to embed in the anchor backing plate.
Through above-mentioned technical scheme, the accessible has the rotating tube in the rotation groove of seting up on the anchor slab, the steel strand wires are pegged graft between two strand boards, and pass the strand hole that is the toper structure, the strand board is restrainted in the steel strand wires extrusion, make the both ends of strand board respectively with steel strand wires and rotating tube zonulae occludens, at the steel strand wires process of labouring, the removal of steel strand wires makes the rotating tube at rotation inslot internal rotation, thereby the friction that produces between steel strand wires and the mounting panel has been avoided, the condition that wearing and tearing lead to the fracture between steel strand wires and the mounting panel has been avoided.
As a further preferred scheme, the anchor backing plate is of a conical structure, a beam coil is fixed at one end, away from the mounting plate, of the anchor backing plate, a corrugated pipe is fixed in the beam coil, and a steel strand in the anchor backing plate is fixedly inserted in the corrugated pipe.
Through the technical scheme, the stranded steel strands can be kept fixed in the anchor backing plate through the bundle coil and the corrugated pipe.
As a further preferred scheme, a spiral rib is fixed at one end of the mounting plate, the steel strand is arranged at the other end of the mounting plate in a protruding mode, and the spiral rib is sleeved on the anchor backing plate.
Through the technical scheme, the tensile force of the prestressed tendon can be kept through the spiral tendon and transmitted to the interior of the concrete.
As a further preferred scheme, the positioning part is matched and inserted in the positioning groove and is rotatably arranged in the positioning groove.
Through above-mentioned technical scheme, accessible location portion makes the circumstances that the in-process of rotating tube at the rotation of rotating groove internal rotation can not appear droing.
As a further preferable scheme, a wire bundling hole with a conical structure is arranged between the two wire bundling plates, and the steel strand is inserted into the wire bundling hole and is tightly connected with the inner wall of the wire bundling hole.
Through above-mentioned technical scheme, the accessible is the bunch hole of toper structure and makes the steel strand wires insert the in-process of two bunch boards and extrude the bunch board, makes the both ends of bunch board fixed with rotating tube and steel strand wires butt respectively.
As a further preferred scheme, the both ends of wiring board all the protrusion be provided with the joint portion that is the arc structure, joint portion and the lateral wall butt of rotating tube.
Through above-mentioned technical scheme, accessible joint portion avoids restraint the condition that line board appears droing from the rotating tube.
As a further preferable scheme, a connecting plate is fixed at the center of the outer wall of the anchor plate in a protruding manner, connecting bolts are installed on the side wall of the connecting plate in an annular array manner, and the connecting bolts are inserted into the mounting plate in a threaded manner.
Through above-mentioned technical scheme, accessible connecting bolt and connecting plate make the anchor slab embedded in the mounting panel to with mounting panel fixed connection.
To sum up, the utility model discloses a technological effect and advantage: this prestressed anchorage utensil for highway construction, it has the rotating tube to embed in the rotation groove through seting up on the anchor slab, steel strand wires are pegged graft between two bunch boards, and pass the bunch hole that is the toper structure, steel strand wires extrusion bunch board, make the both ends of bunch board respectively with steel strand wires and rotating tube zonulae occludens, at steel strand wires labouring in-process, steel strand wires's removal makes the rotating tube at the rotation inslot internal rotation, thereby the friction that produces between steel strand wires and the mounting panel has been avoided, wearing and tearing have been avoided between steel strand wires and the mounting panel lead to the cracked condition.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the anchor backing plate of the present invention;
fig. 3 is the utility model discloses anchor slab split structure schematic diagram.
In the figure: 1. mounting a plate; 2. steel strand wires; 3. an anchor plate; 4. a bellows; 5. a beam coil; 6. a spiral rib; 7. an anchor backing plate; 8. rotating the tube; 9. a rotating groove; 10. positioning a groove; 11. a wire bundling plate; 12. a positioning part; 13. a wire harness hole; 14. a clamping part; 15. a connecting plate; 16. and connecting bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 and 2, the pre-stressed anchor for highway construction comprises a mounting plate 1, and an anchor backing plate 7 and an anchor plate 3 which are fixed at two ends of the mounting plate 1, wherein the anchor plate 3 is embedded and fixed in the mounting plate 1, the side wall of the anchor plate 3 is provided with a plurality of rotating grooves 9 communicated with the inside of the anchor backing plate 7, and the center position of the inner wall of each rotating groove 9 is provided with a positioning groove 10;
the anchor backing plate 7 is of a conical structure, one end, far away from the mounting plate 1, of the anchor backing plate 7 is fixed with the bundle coil 5, the corrugated pipe 4 is fixed in the bundle coil 5, the steel stranded wires 2 in the anchor backing plate 7 are fixedly inserted into the corrugated pipe 4, and the steel stranded wires 2 can be kept fixed in the anchor backing plate 7 through the bundle coil 5 and the corrugated pipe 4.
The one end of mounting panel 1 is fixed with spiral muscle 6, and the steel strand wires 2 protrusion sets up the other end at mounting panel 1, and spiral muscle 6 cover is established on anchor backing plate 7, and accessible spiral muscle 6 keeps the pulling force of prestressing tendons and transmits it inside the concrete.
Referring to fig. 3, a rotating pipe 8 is inserted into the rotating groove 9 in an inosculating manner, a positioning part 12 clamped in the positioning groove 10 is convexly arranged on the outer wall of the rotating pipe 8, wire bundling plates 11 are symmetrically arranged in the rotating pipe 8, and steel strands 2 fixed between the two wire bundling plates 11 are embedded in the anchor backing plate 7.
A rotating pipe 8 is embedded in a rotating groove 9 formed in the anchor plate 3, the steel strand 2 is inserted between the two strand plates 11 and penetrates through a strand hole 13 with a conical structure, and the strand plates 11 are extruded by the steel strand 2, so that two ends of the strand plates 11 are respectively and tightly connected with the steel strand 2 and the rotating pipe 8;
at 2 labouring in-processes of steel strand wires, the removal of steel strand wires 2 makes the rotating tube 8 rotate 9 internal rotations in the groove, thereby avoided the friction that produces between steel strand wires 2 and the mounting panel 1, avoided wearing and tearing between steel strand wires 2 and the mounting panel 1 to lead to the cracked condition, location portion 12 coincide pegs graft in constant head tank 10, and at constant head tank 10 internal rotation setting, the condition that drops can not appear in the in-process that location portion 12 made the rotating tube 8 rotate 9 internal rotations in the groove.
Be provided with between two bunch boards 11 and be the bunch hole 13 of toper structure, steel strand wires 2 pegs graft in bunch hole 13 to with the inner wall zonulae occludens of bunch hole 13, the bunch hole 13 that is the toper structure makes steel strand wires 2 insert the in-process of two bunch boards 11 and extrudees bunch board 11, make the both ends of bunch board 11 respectively with rotating tube 8 and steel strand wires 2 butt fixed.
The equal protrusion in both ends of wiring board 11 is provided with joint portion 14 that is the arc structure, the lateral wall butt of joint portion 14 and rotating tube 8, the condition that drops appears in wiring board 11 follow rotating tube 8 is avoided to joint portion 14, the outer wall central point department of putting of anchor slab 3 protrusion is fixed with connecting plate 15, the lateral wall of connecting plate 15 is annular array and installs connecting bolt 16, 16 screw threads of connecting bolt are pegged graft in mounting panel 1, connecting bolt 16 and connecting plate 15 make anchor slab 3 embedded in mounting panel 1, and with 1 fixed connection of mounting panel.
The working principle is as follows: in the process of highway construction, pour anchor backing plate 7 and spiral muscle 6 in the concrete, steel strand wires 2 pass and are the bunch hole 13 of toper structure between two bunch boards 11, and steel strand wires 2 extrusion bunch board 11 makes the both ends of bunch board 11 respectively with steel strand wires 2 and rotating tube 8 zonulae occludens, and at the in-process that steel strand wires 2 are laboured, the removal of steel strand wires 2 makes rotating tube 8 at the 9 internal rotations of rotation groove to the friction that produces between steel strand wires 2 and the mounting panel 1 has been avoided.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a prestressed anchorage utensil for highway construction, includes mounting panel (1) and fixes anchor backing plate (7) and anchor slab (3) at mounting panel (1) both ends, its characterized in that, anchor slab (3) are embedded to be fixed in mounting panel (1), and the lateral wall of anchor slab (3) sets up a plurality of rotation grooves (9) that are linked together with anchor backing plate (7) inside, constant head tank (10) have been seted up to the inner wall central point department of putting of rotation groove (9), and coincide in rotation groove (9) and peg graft and have rotating tube (8), the outer wall protrusion of rotating tube (8) is provided with location portion (12) of joint in constant head tank (10), and the symmetry is provided with strand wires (11) in rotating tube (8), embedded steel strand wires (2) of fixing between two strand wires (11) in anchor backing plate (7).
2. The pre-stressed anchor for highway construction according to claim 1, wherein the anchor backing plate (7) is of a conical structure, a coil (5) is fixed at one end of the anchor backing plate (7) far away from the mounting plate (1), a corrugated pipe (4) is fixed in the coil (5), and the steel strand (2) in the anchor backing plate (7) is fixedly inserted in the corrugated pipe (4).
3. The prestressed anchorage device for highway construction according to claim 1, wherein a spiral bar (6) is fixed at one end of the mounting plate (1), the steel strand (2) is convexly arranged at the other end of the mounting plate (1), and the spiral bar (6) is sleeved on the anchor backing plate (7).
4. The prestressed anchorage device for road construction according to claim 1, wherein said positioning portion (12) is engaged and inserted in the positioning slot (10) and is rotatably disposed in the positioning slot (10).
5. The prestressed anchorage device for road construction according to claim 1, wherein a wire harness hole (13) having a conical structure is provided between two wire harness plates (11), and the steel strand (2) is inserted into the wire harness hole (13) and tightly connected to the inner wall of the wire harness hole (13).
6. The prestressed anchorage device for highway construction according to claim 5, wherein clamping portions (14) having an arc structure are convexly provided at both ends of the wire harness plate (11), and the clamping portions (14) are abutted against the side walls of the rotating pipe (8).
7. The prestressed anchorage device for highway construction according to claim 1, wherein a connecting plate (15) is fixed at the center of the outer wall of the anchor plate (3) in a protruding manner, connecting bolts (16) are installed on the side wall of the connecting plate (15) in an annular array, and the connecting bolts (16) are inserted into the mounting plate (1) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221920902.3U CN217810310U (en) | 2022-07-25 | 2022-07-25 | Prestressed anchorage utensil is used in highway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221920902.3U CN217810310U (en) | 2022-07-25 | 2022-07-25 | Prestressed anchorage utensil is used in highway construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217810310U true CN217810310U (en) | 2022-11-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221920902.3U Active CN217810310U (en) | 2022-07-25 | 2022-07-25 | Prestressed anchorage utensil is used in highway construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217810310U (en) |
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2022
- 2022-07-25 CN CN202221920902.3U patent/CN217810310U/en active Active
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