CN219732521U - Prestressed tension anchor - Google Patents

Abstract

The utility model relates to a prestress tension anchor, which comprises a fixed plate and a threaded pipe, wherein a plurality of steel strands are arranged in the threaded pipe and radially connected with the fixed plate, a lantern ring is arranged on one side, far away from the threaded pipe, of the fixed plate, an anchor plate is movably arranged in the lantern ring, the steel strands are fixedly arranged on the anchor plate, a supporting frame is further arranged on the outer side surface of the anchor plate, an adjusting rod is rotatably arranged on the supporting frame, and the anchor plate is matched with the adjusting rod.

Description

Prestressed tension anchor

Technical Field

The utility model relates to the technical field of prestressed concrete equipment, in particular to a prestressed tensioning anchor.

Background

The anchorage means refers to a permanent anchorage device used in prestressed concrete, and is an anchorage tool, also called as prestressed anchorage, for maintaining the tensile force of a prestressed tendon and transmitting the tensile force to the interior of the concrete in a post-tensioning structure or member, and in general, a plurality of through holes for steel twisted wires to penetrate are formed in an annular array of an anchorage plate, one end of each steel twisted wire penetrates through the anchorage plate in a radial manner through the through hole, and the other end of each steel twisted wire extends into a corrugated pipe.

However, after the existing anchorage device is tensioned by the steel twisted wires, the tension force of the steel twisted wires cannot be changed, but when the unexpected situations that the steel twisted wires are required to slide at the end of an anchoring plate and the like are met, and the tension force of the anchorage device is required to be changed adaptively, the tension force of the anchorage device is difficult to change, and only the steel twisted wires can be removed for re-tensioning, so that the anchorage device is troublesome.

Accordingly, a prestressed tensioning anchor is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

In order to solve the problems set forth in the background art, the present utility model provides a prestressed tensioning anchor.

The prestress tension anchor provided by the utility model adopts the following technical scheme:

the prestress tensioning anchorage comprises a fixed plate and a threaded pipe, wherein a plurality of steel strands are arranged in the threaded pipe and radially connected with the fixed plate, a lantern ring is arranged on one side, far away from the threaded pipe, of the fixed plate, an anchor plate is movably arranged in the lantern ring, the steel strands are fixedly arranged on the anchor plate, a supporting frame is further arranged on the outer side face of the anchor plate, an adjusting rod is rotatably arranged on the supporting frame, and the anchor plate is matched with the adjusting rod.

Through adopting above-mentioned technical scheme, through the lantern ring of setting on the fixed plate, can conveniently install the anchor board to can fix the steel strand wires through the anchor board that sets up, when needing to adjust, can rotate the regulation pole, through the cooperation of regulation pole and thread bush, alright promote the anchor board and slide back and forth, conveniently adjust the tensile force of steel strand wires.

Preferably, the adjusting rod is sleeved with two fixing rings, the anchoring plate is arranged between the two fixing rings, and the anchoring plate and the adjusting rod rotate relatively.

Through adopting above-mentioned technical scheme, through two solid fixed rings that set up, can restrict fixedly the anchor board.

Preferably, the anchoring plate is tightly attached to the inner wall of the lantern ring, and a plurality of tension springs are arranged between the anchoring plate and the fixing plate.

Through adopting above-mentioned technical scheme, through the tensioning spring that sets up, can with anchor board swing joint on the fixed plate to when the steel strand wires take place to slide, need overcome tensioning spring's potential energy earlier, increase fault tolerance.

Preferably, a thread sleeve is further arranged at the center of the fixing plate, and the end part of the adjusting rod is in threaded connection with the thread sleeve.

Through adopting above-mentioned technical scheme, through the thread bush that sets up, can cooperate with adjusting the pole, conveniently promote the anchor board and remove.

Preferably, the side surface of the anchoring plate far away from the fixing plate is also provided with a plurality of extrusion heads, and the corresponding steel strands pass through the extrusion heads and are fixed in the extrusion heads.

Through adopting above-mentioned technical scheme, through the extrusion head that sets up, can fix the steel strand wires on the anchor board.

Preferably, a spiral rib is further arranged between the threaded pipe and the fixing plate, and the spiral rib is sleeved on the periphery of the plurality of steel strands.

By adopting the technical scheme, the strength of the prestress component can be increased through the arranged spiral ribs.

In summary, the utility model has the following beneficial technical effects:

1. through the lantern ring of setting on the fixed plate, can conveniently install the anchor board to can fix the steel strand wires through the anchor board that sets up, when needing to adjust, can rotate the regulation pole, through the cooperation of regulation pole and thread bush, alright promote the anchor board and slide back and forth, conveniently adjust the tensile force of steel strand wires.

2. Through the tensioning spring, the anchor plate can be movably connected to the fixed plate, and when the steel strand slides, the potential energy of the tensioning spring needs to be overcome, so that fault tolerance is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of a prestressed tensioning anchor in an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of an anchor plate in a prestressed tension anchor in accordance with an embodiment of the present utility model;

fig. 3 is a schematic structural view of an adjusting rod in the prestress tensioning anchor in an embodiment of the present utility model.

Reference numerals illustrate: 1. a fixing plate; 2. a threaded tube; 3. steel strand; 4. a collar; 5. an anchor plate; 6. a support frame; 7. an adjusting rod; 8. a fixing ring; 9. a thread sleeve; 10. tensioning a spring; 11. an extrusion head; 12. spiral ribs.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

It is noted that the figures are schematic and not drawn to scale. Relative dimensions and proportions of parts of the figures have been shown exaggerated or reduced in size, for the sake of clarity and convenience in the drawings, and any dimensions are merely illustrative and not limiting. The same reference numerals are used for the same structures, elements, or accessories appearing in more than two figures to embody similar features.

The embodiment of the utility model discloses a prestress tension anchor. Referring to fig. 1-3, the prestress tension anchor comprises a fixed plate 1 and a threaded pipe 2, wherein a plurality of steel strands 3 are arranged in the threaded pipe 2, the steel strands 3 are radially connected and penetrate through the fixed plate 1, a lantern ring 4 is arranged on one side, far away from the threaded pipe 2, of the fixed plate 1, an anchor plate 5 is movably installed in the lantern ring 4, the steel strands 3 are fixedly arranged on the anchor plate 5, a supporting frame 6 is further installed on the outer side surface of the anchor plate 5, an adjusting rod 7 is rotatably installed on the supporting frame 6, and the anchor plate 5 is matched with the adjusting rod 7;

through the lantern ring 4 that sets up on the fixed plate, can conveniently install anchor board 5 to can fix steel strand wires 3 through the anchor board 5 that sets up, when needing to adjust, can rotate regulation pole 7, through the cooperation of regulation pole 7 with thread bush 9, alright promote anchor board 5 fore-and-aft slip, conveniently adjust the tensile force of steel strand wires 3.

In the utility model, two fixing rings 8 are sleeved on the adjusting rod 7, the anchor plate 5 is arranged between the two fixing rings 8, the anchor plate 5 and the adjusting rod 7 relatively rotate, and the anchor plate 5 can be limited and fixed through the two fixing rings 8.

In the utility model, the anchoring plate 5 is tightly attached to the inner wall of the lantern ring 4, a plurality of tensioning springs 10 are arranged between the anchoring plate 5 and the fixed plate 1, the anchoring plate 5 can be movably connected to the fixed plate 1 through the tensioning springs 10, and when the steel strands 3 slide, the potential energy of the tensioning springs 10 needs to be overcome first, so that fault tolerance is increased.

In the utility model, the center of the fixing plate 1 is also provided with the thread sleeve 9, the end part of the adjusting rod 7 is in threaded connection with the thread sleeve 9, and the adjusting rod 7 can be matched through the arranged thread sleeve 9, so that the anchoring plate 5 can be conveniently pushed to move.

In the utility model, a plurality of extrusion heads 11 are also arranged on the side surface of the anchor plate 5 far away from the fixed plate 1, the corresponding steel stranded wires 3 pass through the extrusion heads 11 and are fixed in the extrusion heads 11, and the steel stranded wires can be fixed on the anchor plate 5 through the arranged extrusion heads 11.

In the utility model, the spiral rib 12 is also arranged between the threaded pipe 2 and the fixed plate 1, the spiral rib 12 is sleeved on the periphery of a plurality of steel strands, and the strength of the prestress component can be increased through the arranged spiral rib 12.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

The implementation principle of the prestress tension anchor device provided by the embodiment of the utility model is as follows: during the use, the screwed pipe 2 of setting can conveniently overlap establishes steel strand wires 3, conveniently wear to establish steel strand wires 3 in prestressing force component, and screwed rib 12 that screwed pipe 2 both ends set up, still can increase prestressing force component's intensity, when carrying out steel strand wires 3 stretch-draw, can pass anchor board 5 and fixed plate 1 with steel strand wires 3, and after stretch-draw, still can fix steel strand wires 3 on anchor board 5 through the extrusion head 11 that sets up on anchor board 5, when steel strand wires 3 take place to slide, when needs carry out the tensioning fine setting to steel strand wires 3, can rotate regulation pole 7, the regulation pole 7 threaded connection of setting is in thread bush 9, and through the solid fixed ring 8 that sets up on adjusting pole 7, can spacing to anchor board 5, and then can promote anchor board 5 slip through regulation pole 7, thereby can pull steel strand wires 3, the pulling force to steel strand wires 3 is adjusted, it is more convenient.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The prestress tensioning anchorage comprises a fixed plate (1) and a threaded pipe (2), a plurality of steel strands (3) are arranged in the threaded pipe (2), the steel strands (3) are radially connected to penetrate through the fixed plate (1), and the prestress tensioning anchorage is characterized in that a lantern ring (4) is arranged on one side, far away from the threaded pipe (2), of the fixed plate (1), an anchor plate (5) is movably arranged in the lantern ring (4), the steel strands (3) are fixedly arranged on the anchor plate (5), a supporting frame (6) is further arranged on the outer side face of the anchor plate (5), an adjusting rod (7) is rotatably arranged on the supporting frame (6), and the anchor plate (5) is matched with the adjusting rod (7).

2. The prestressed tensioning anchor of claim 1, wherein: two fixing rings (8) are sleeved on the adjusting rod (7), the anchoring plate (5) is arranged between the two fixing rings (8), and the anchoring plate (5) and the adjusting rod (7) rotate relatively.

3. The prestressed tensioning anchor of claim 1, wherein: the anchoring plate (5) is tightly attached to the inner wall of the lantern ring (4), and a plurality of tensioning springs (10) are arranged between the anchoring plate (5) and the fixed plate (1).

4. The prestressed tensioning anchor of claim 1, wherein: a thread sleeve (9) is further arranged at the center of the fixing plate (1), and the end part of the adjusting rod (7) is in threaded connection with the thread sleeve (9).

5. The prestressed tensioning anchor of claim 1, wherein: the side surface of the anchoring plate (5) far away from the fixed plate (1) is also provided with a plurality of extrusion heads (11), and the corresponding steel strands (3) penetrate through the extrusion heads (11) and are fixed in the extrusion heads (11).

6. The prestressed tensioning anchor of claim 1, wherein: screw ribs (12) are further arranged between the threaded pipe (2) and the fixing plate (1), and the screw ribs (12) are sleeved on the periphery of the plurality of steel strands.