A prestressed steel strand cable anchor

Abstract

The utility model relates to the technical field of prestressed anchors, specifically a prestressed steel strand inclined cable anchor, comprising an anchor body and a mounting plate arranged at the rear side of the anchor body, the anchor body having a cavity opened inside, the cavity having an anchor plate arranged inside, a convenient disassembly and assembly mechanism being arranged between the anchor plate and the cavity, the rear surface of the anchor plate having a plurality of through holes opened inside, the plurality of through holes having steel strands passed through, anchor clips and anchor rings being respectively arranged on the outside of the steel strands, a No. 1 fastening support block being respectively fixedly installed at the top and bottom ends of the outside of the anchor body, a fastening bolt being rotatably arranged on the inner side of the No. 1 fastening support block, and a prestressed steel strand inclined cable anchor being arranged, thereby achieving the purpose of quickly disassembling and assembling the anchor plate, facilitating subsequent staff to replace the anchor plate according to the size of the steel strand, thereby improving the application scope of the anchor and facilitating subsequent use.

Description

Technical Field

[0001] The utility model relates to the technical field of prestressed anchors, in particular to a prestressed steel stranded cable anchor. Background Art

[0002] Anchor refers to the permanent anchoring device used in prestressed concrete. It is an anchoring tool used in post-tensioned structures or components to maintain the tension of prestressed tendons and transfer it to the interior of the concrete. It is also called a prestressed anchor and is widely used in the construction of cable-stayed steel bridges.

[0003] A prestressed steel strand cable-stayed anchor currently in use has been found through searching, for example, in a Chinese patent document with authorization publication number CN219992190U, which discloses a prestressed steel strand cable-stayed anchor, comprising an anchor body, steel strands and a connecting plate, wherein the anchor body is fixedly connected to an anchor plate on one side close to the connecting plate. The utility model is provided with an anchor body, an anchor plate, a connecting plate, a clamp and a clamping ramp block, which can effectively clamp, position and fix each steel strand, and the clamping and fixing has higher stability, and is not easy to cause the steel strands to move and deviate, thereby more effectively improving the clamping, positioning and fixing effect of the installed steel strands.

[0004] Although the above patent solves the problems in the above-mentioned background technology, it still has the following shortcomings: the anchor plate and the anchor body in the cable anchor are connected in an integrated manner, which is not easy to disassemble, making it impossible for the staff to replace the anchor plate according to the size of the steel strand, thereby reducing the application scope of the anchor and being not conducive to subsequent use.

[0005] In summary, the utility model solves the problems in the above-mentioned background technology by designing a prestressed steel stranded cable anchor. Utility Model Content

[0006] The utility model aims to provide a prestressed steel strand cable anchor to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A prestressed steel strand inclined cable anchor comprises an anchor body and a mounting plate arranged at the rear side of the anchor body, the anchor body is provided with a cavity inside, the cavity is provided with an anchor plate, a convenient disassembly and assembly mechanism is provided between the anchor plate and the cavity, a plurality of through holes are provided on the rear surface of the anchor plate, a plurality of steel strands are passed through the interiors of the through holes, an anchor clip and an anchor ring are respectively provided on the outer sides of the steel strands, a No. 1 fastening support block is respectively fixedly installed at the top and bottom ends of the outer side of the anchor body, a fastening bolt is rotatably provided on the inner side of the No. 1 fastening support block, a fastening nut is provided on the outer thread sleeve of the fastening bolt, and a No. 2 fastening support block is respectively fixedly installed at the top and bottom ends of the outer side of the mounting plate;

[0009] The convenient disassembly and assembly mechanism includes a limit groove, a limit block and a positioning screw. The limit groove is opened on the inner wall of the cavity, the limit block is fixedly installed on the outer surface of the anchor plate, and a positioning screw hole is opened on the side away from the anchor plate, the positioning screw is threaded through the left and right side surfaces of the anchor body respectively, and a driving knob is fixedly installed on the end away from the anchor body.

[0010] As a preferred solution of the present invention, the cavity is in the shape of a hollow cylinder with front and rear openings.

[0011] As a preferred solution of the utility model, the anchor clip is wrapped around the outer surface of the steel strand, and the outer surface of its front end is in contact with the inner wall of the through hole. The thickness of the anchor clip gradually increases from the front end to the rear end of the anchor clip, and the anchor ring is fixedly sleeved on the outer rear end of the steel strand.

[0012] As a preferred solution of the utility model, the No. 1 fastening support block is arranged corresponding to the No. 2 fastening support block, and the outer surface of the fastening bolt is in contact with the inner wall of the No. 2 fastening support block.

[0013] As a preferred solution of the utility model, the limiting grooves are distributed bilaterally symmetrically with respect to the inner central axis of the cavity, and the vertical cross-sectional shape thereof is consistent with that of the limiting block.

[0014] As a preferred solution of the utility model, the facing ends of the positioning screw rod extend to the interior of the limiting groove, and are screwed together with the inner wall thread of the positioning screw hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] In the utility model, a prestressed steel strand inclined cable anchor is set up, and the structural design in the convenient disassembly and assembly mechanism is utilized to realize the fitting contact between the limit block and the limit groove and the driving knob of the positioning screw, so that the positioning screw and the positioning screw hole are screwed in contact, thereby achieving the purpose of rapid disassembly and assembly of the anchor plate, making it convenient for subsequent staff to replace the anchor plate according to the size of the steel strand, thereby improving the application range of the anchor and facilitating subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a partial structural schematic diagram of the device of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the main body of the anchor of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the mounting plate of the utility model.

[0021] In the figure: 1. Anchor body; 101. Cavity; 102. Anchor plate; 1021. Through hole; 103. Steel strand; 1031. Anchor clip; 1032. Anchor ring; 104. Fastening support block No. 1; 1041. Fastening bolt; 1042. Fastening nut; 2. Mounting plate; 201. Fastening support block No. 2; 3. Convenient disassembly and assembly mechanism; 301. Limiting groove; 302. Limiting block; 303. Positioning screw; 304. Positioning screw hole; 305. Drive knob. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0026] For examples, see Figure 1-4 , the utility model provides a technical solution:

[0027] A prestressed steel strand cable anchor comprises an anchor body 1 and a mounting plate 2 arranged at the rear side of the anchor body 1, wherein a cavity 101 is provided inside the anchor body 1, an anchor plate 102 is provided inside the cavity 101, a plurality of through holes 1021 are provided on the rear side surface of the anchor plate 102, steel strands 103 are passed through the interiors of the plurality of through holes 1021, anchor clips 1031 and anchor rings 1032 are respectively provided on the outside of the steel strands 103, a No. 1 fastening support block 104 is respectively fixedly installed at the top and bottom ends of the outside of the anchor body 1, a fastening bolt 1041 is rotatably provided on the inside of the No. 1 fastening support block 104, a fastening nut 1042 is provided on the outer thread sleeve of the fastening bolt 1041, and a No. 2 fastening support block 201 is respectively fixedly installed at the top and bottom ends of the outside of the mounting plate 2;

[0028] Specifically, the anchoring clip 1031 is wrapped around the outer surface of the steel strand 103, and the outer surface of the front end thereof is in contact with the inner wall of the through hole 1021. The thickness of the anchoring clip 1031 gradually increases from the front end of the anchoring clip 1031 to the rear end thereof, and the anchoring ring 1032 is fixedly sleeved on the outer rear end of the steel strand 103.

[0029] In the present embodiment, the anchoring clip 1031 is mainly used to wrap the steel strand 103 and contact the inner wall of the through hole 1021, so that the friction between the anchoring clip 1031 and the steel strand 103 gradually increases, and the anchoring ring 1032 is mainly used to limit the displacement of the steel strand 103 to prevent the steel strand 103 from detaching from the through hole 1021, thereby improving the fastening effect of the steel strand 103.

[0030] Specifically, the first fastening support block 104 is arranged corresponding to the second fastening support block 201, and the outer surface of the fastening bolt 1041 contacts the inner wall of the second fastening support block 201;

[0031] In this embodiment, the setting of the fastening bolt 1041 is mainly used to form a rotational contact with the second fastening support block 201. Under the setting of the fastening nut 1042, the installation operation of the anchor body 1 is realized, meeting the installation requirements of the staff.

[0032] It should be noted that the cavity 101 is in the shape of a hollow cylinder with front and rear openings.

[0033] In this embodiment, please refer to Figure 1 , Figure 2 and Figure 3 A convenient disassembly and assembly mechanism 3 is provided between the anchor plate 102 and the cavity 101. The convenient disassembly and assembly mechanism 3 includes a limit groove 301, a limit block 302 and a positioning screw 303. The limit groove 301 is provided on the inner wall of the cavity 101. The limit block 302 is fixedly installed on the outer surface of the anchor plate 102, and a positioning screw hole 304 is provided on the side away from the anchor plate 102. The positioning screw 303 is threadedly penetrated through the left and right side surfaces of the anchor body 1, and a driving knob 305 is fixedly installed on the end away from the anchor body 1;

[0034] Specifically, the limiting groove 301 is symmetrically distributed about the inner central axis of the cavity 101, and its vertical cross-sectional shape is consistent with the limiting block 302, and the opposite ends of the positioning screw 303 extend into the inside of the limiting groove 301, and are screwed with the inner wall thread of the positioning screw hole 304;

[0035] In this embodiment, the setting of the limit groove 301 is mainly used to fit in contact with the limit block 302, so that the anchor plate 102 can contact the cavity 101, and the setting of the drive knob 305 is mainly used to drive the positioning screw 303 to rotate, so that the positioning screw 303 can contact the positioning screw hole 304, thereby achieving the effect of convenient installation of the anchor plate 102 and meeting the replacement needs of the anchor plate 102.

[0036] The working process of the utility model is as follows: when using a prestressed steel strand inclined cable anchor, first, the anchor plate 102 is installed, and the anchor plate 102 is moved so that the limit block 302 gradually approaches the limit groove 301, until the limit block 302 is completely in contact with the limit groove 301, an external force can be applied to the driving knob 305, and then the driving knob 305 drives the positioning screw 303 to rotate, and the positioning screw 303 gradually cooperates with the positioning screw hole 304 thread, thereby completing the installation and fixation of the anchor plate 102, and it is also easy to disassemble, which provides convenience for the subsequent replacement of the anchor plate 102, and secondly, a plurality of steel strands 103 are passed through the through holes in sequence. Hole 1021, then wrap the anchor clip 1031 around the outside of the steel strand 103 and contact with the inner wall of the through hole 1021, under the action of the through hole 1021, the clamping friction between the anchor clip 1031 and the steel strand 103 gradually increases, thereby achieving the fixation of the steel strand 103, and finally, fix the anchor body 1, move the anchor body 1 to make it close to the mounting plate 2 and turn the fastening bolt 1041, while ensuring that the fastening bolt 1041 is in contact with the inner surface of the No. 2 fastening support block 201, use a tool to rotate the fastening nut 1042, thereby achieving the effect of fixing the anchor body 1 and meeting the needs of users.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prestressed steel strand cable anchor, comprising an anchor body (1) and a mounting plate (2) arranged at the rear side of the anchor body (1), characterized in that: The anchor body (1) is provided with a cavity (101) inside, an anchor plate (102) is provided inside the cavity (101), a convenient disassembly and assembly mechanism (3) is provided between the anchor plate (102) and the cavity (101), a plurality of through holes (1021) are provided on the rear surface of the anchor plate (102), steel strands (103) are passed through the interiors of the plurality of through holes (1021), and the outer sides of the steel strands (103) are respectively provided with Anchoring clips (1031) and anchoring rings (1032), the top and bottom ends of the outer side of the anchor body (1) are respectively fixedly mounted with a No. 1 fastening support block (104), a fastening bolt (1041) is rotatably arranged on the inner side of the No. 1 fastening support block (1044), a fastening nut (1042) is threadedly sleeved on the outer side of the fastening bolt (1041), and the top and bottom ends of the outer side of the mounting plate (2) are respectively fixedly mounted with a No. 2 fastening support block (201); The convenient disassembly and assembly mechanism (3) comprises a limit groove (301), a limit block (302) and a positioning screw (303); the limit groove (301) is provided on the inner wall of the cavity (101); the limit block (302) is fixedly mounted on the outer surface of the anchor plate (102), and a positioning screw hole (304) is provided on the side away from the anchor plate (102); the positioning screw (303) is threadedly penetrated through the left and right side surfaces of the anchor body (1), and a driving knob (305) is fixedly mounted on the end away from the anchor body (1).

2. The prestressed steel strand cable anchor according to claim 1, characterized in that: The cavity (101) is in the shape of a hollow cylinder with front and rear openings.

3. The prestressed steel strand cable anchor according to claim 1, characterized in that: The anchoring clip (1031) is wrapped around the outer surface of the steel strand (103), and the outer surface of its front end is in contact with the inner wall of the through hole (1021). The thickness of the anchoring clip (1031) gradually increases from the front end to the rear end of the anchoring clip (1031), and the anchoring ring (1032) is fixedly sleeved on the outer rear end of the steel strand (103).

4. The prestressed steel strand cable anchor according to claim 1, characterized in that: The No. 1 fastening support block (104) and the No. 2 fastening support block (201) are arranged correspondingly, and the outer surface of the fastening bolt (1041) contacts the inner wall of the No. 2 fastening support block (201).

5. The prestressed steel strand cable anchor according to claim 1, characterized in that: The limiting grooves (301) are distributed bilaterally symmetrically with respect to the inner central axis of the cavity (101), and the vertical cross-sectional shape thereof is consistent with that of the limiting block (302).

6. The prestressed steel strand cable anchor according to claim 1, characterized in that: The facing ends of the positioning screw rod (303) extend to the interior of the limiting groove (301), and are screwed together with the inner wall of the positioning screw hole (304).

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