Vertical prestressed steel bar threaded anchorage device

Abstract

The utility model discloses a vertical prestressed steel bar threaded anchorage device, and relates to the technical field of anchorage devices. Comprising an anchorage device body, an anchor bearing plate and a connecting block, a fixing ring is fixedly arranged on the other side of the anchor bearing plate, a first groove is formed in the fixing ring, a pull rod is movably arranged in the first groove, a spring is arranged outside the pull rod in a sleeving mode, and a movable plate is fixedly arranged at one end of the pull rod; an inserting plate is fixedly arranged on the other side of the movable plate, the inserting plate is movably connected with the anchorage device body, a second groove is formed in the position, located on the left side of the first groove, in the fixing ring, a threaded rod is movably arranged in the second groove, and a nut seat is movably arranged outside the threaded rod; a clamping plate is fixedly arranged at the bottom of the nut seat and clamped in a clamping groove formed in one side of the movable plate.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor devices, in particular to a vertical prestressed steel bar threaded anchor device. Background Technique

[0002] The vertical prestressed steel bar threaded anchor device usually consists of parts such as prestressed steel bars, protective sleeves, embedded anchor plates and their fastening components. A protective sleeve is provided on the outer wall of the prestressed steel bar, and there is a sliding fit between the protective sleeve and the prestressed steel bar. The upper and lower ends of the prestressed steel bar respectively pass through the positioning holes on the embedded anchor plate, and are fixedly connected to the web of the box girder by means of the fastening components.

[0003] Chinese Utility Model Patent CN221546111U discloses a high-strength prestressed anchor device, including an anchor device body, an anchor backing plate, four wedge-shaped gripping elements, a spiral rib and a connecting block. A grouting hole is provided at the upper part on one side of the anchor backing plate, a plurality of No. 3 through holes are provided at the middle part on one side of the anchor backing plate, a groove is provided at the middle part of the inner wall on one side of the anchor backing plate, the connecting block is arranged inside the anchor backing plate, a plurality of sliding grooves are provided on the whole body of the connecting block, sliders are slidably arranged inside the plurality of sliding grooves, clamping blocks are fixedly arranged on the opposite sides of the plurality of sliders, and a plurality of nail heads are fixedly arranged on the opposite sides of the plurality of clamping blocks. In the utility model, by arranging the connecting block in the anchor backing plate, pulling the connecting block through a connecting rod, and pouring cement after the clamping block abuts against the steel bar, the steel bar is fixed more stably, and a reinforcing layer and a corrosion-resistant layer are arranged on the anchor device, improving the service life of the anchor device.

[0004] However, although the above-mentioned anchor device can improve the stability of the steel bar fixation, it does not have the disassembly function of the anchor device body. When the project is completed, it cannot be used continuously, resulting in waste of resources and inconvenience for users. Summary of the Utility Model

[0005] The utility model provides a vertical prestressed steel bar threaded anchor device to solve the problems in the background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A vertical prestressed steel bar threaded anchor, comprising an anchor body, an anchor backing plate and a connecting block. On the other side of the anchor backing plate, a fixing ring is fixedly provided. Inside the fixing ring, a first groove is formed. Inside the first groove, a pull rod is movably arranged. A spring is sleeved outside the pull rod. One end of the pull rod is fixedly provided with a movable plate. On the other side of the movable plate, a plug-in plate is fixedly provided. The plug-in plate is movably connected to the anchor body. Inside the fixing ring and on the left side of the first groove, a second groove is formed. Inside the second groove, a threaded rod is movably arranged. One end of the threaded rod penetrates through one side of the fixing ring and extends to the outside of the fixing ring. One end of the threaded rod is fixedly provided with a rotating handle. Outside the threaded rod, a nut seat is movably arranged. At the bottom of the nut seat, a clamping plate is fixedly provided. The clamping plate is clamped in a clamping groove formed on one side of the movable plate.

[0007] Further, on one side of the anchor body, a first through hole is formed. On the upper side of one side of the anchor backing plate, a grouting hole is formed. On the middle side of one side of the anchor backing plate, a second through hole is formed. Inside the second through hole, a wedge-shaped grip is fixedly provided.

[0008] Further, on one side of the anchor backing plate, a clamping block is movably arranged. On one side of the connecting block, a connecting rod is fixedly provided. The connecting rod penetrates through the inside of the first through hole.

[0009] Further, on one side of the anchor backing plate, spiral stirrups are fixedly provided.

[0010] Further, on the surface of the anchor body, a plug-in groove adapted to the plug-in plate is formed. The plug-in plate is inserted into the inside of the plug-in groove.

[0011] Further, the connection relationship between the threaded rod and the nut seat is a threaded connection. Inside the nut seat, a threaded hole adapted to the threaded rod is formed.

[0012] Compared with the prior art, the present utility model provides a vertical prestressed steel bar threaded anchor, having the following beneficial effects:

[0013] For this vertical prestressed steel bar threaded anchor, by providing a fixing ring, when it is necessary to disassemble the anchor body, first rotate the rotating handle to drive the threaded rod to rotate, so that the nut seat moves horizontally along the outside of the threaded rod. Further, the nut seat drives the clamping plate to move horizontally, and thus the locking state of the clamping plate on the movable plate can be released. Then, by pulling the pull rod, the spring is compressed. Further, the movable plate drives the plug-in plate to move into the inside of the first groove, and thus the locking of the anchor body can be released, and the anchor body can be disassembled, improving the recycling utilization rate of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic structural diagram of the present utility model;

[0015] Figure 2 Front view structural diagram of the present utility model;

[0016] Figure 3 Enlarged structural diagram of part A of the present utility model.

[0017] In the figure: 1, anchor body; 101, first through hole; 2, anchor backing plate; 201, grouting hole; 202, second through hole; 203, wedge; 204, clamping block; 3, connecting block; 301, connecting rod; 4, spiral rib; 5, fixing ring; 6, first groove; 601, pull rod; 602, spring; 603, movable plate; 604, plug-in board; 7, second groove; 701, threaded rod; 702, turning handle; 703, nut seat; 704, clamping board. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-3 , the present utility model discloses a vertical prestressed steel bar threaded anchor, including an anchor body 1, an anchor backing plate 2 and a connecting block 3. A fixing ring 5 is fixedly arranged on the other side of the anchor backing plate 2. A first groove 6 is opened inside the fixing ring 5. A pull rod 601 is movably arranged inside the first groove 6. A spring 602 is sleeved outside the pull rod 601. One end of the pull rod 601 is fixedly provided with a movable plate 603. A plug-in board 604 is fixedly arranged on the other side of the movable plate 603. The plug-in board 604 is movably connected with the anchor body 1. A second groove 7 is opened inside the fixing ring 5 and on the left side of the first groove 6. A threaded rod 701 is movably arranged inside the second groove 7. One end of the threaded rod 701 penetrates through one side of the fixing ring 5 and extends to the outside of the fixing ring 5. A turning handle 702 is fixedly arranged at one end of the threaded rod 701. A nut seat 703 is movably arranged outside the threaded rod 701. A clamping board 704 is fixedly arranged at the bottom of the nut seat 703. The clamping board 704 is clamped in a clamping groove opened on one side of the movable plate 603.

[0020] Specifically, a first through hole 101 is provided on one side of the anchor body 1, a grouting hole 201 is provided at the upper part on one side of the anchor backing plate 2, a second through hole 202 is provided at the middle part on one side of the anchor backing plate 2, and a wedge grip 203 is fixedly arranged inside the second through hole 202.

[0021] In this embodiment, by providing the first through hole 101, the grouting hole 201, the second through hole 202 and the wedge grip 203, the user first inserts the steel bar through the first through hole 101 and then inserts it into the ground through the second through hole 202. The wedge grip 203 can clamp the steel bar. Then, by injecting mortar into the grouting hole 201, the steel bar can be fixed more stably, which has strong practicability and is convenient for the user to use.

[0022] Specifically, a clamping block 204 is movably arranged on one side of the anchor backing plate 2, a connecting rod 301 is fixedly arranged on one side of the connecting block 3, and the connecting rod 301 penetrates through the inside of the first through hole 101.

[0023] In this embodiment, by providing the clamping block 204, the connecting block 3 and the connecting rod 301, when injecting mortar, by pulling up the connecting rod 301, the connecting block 3 presses the clamping block 204, so that the clamping block 204 abuts against the steel bar, and the steel bar can be fixed, improving the work efficiency.

[0024] Specifically, a spiral stirrup 4 is fixedly arranged on one side of the anchor backing plate 2.

[0025] In this embodiment, by providing the spiral stirrup 4, the spiral stirrup 4 transfers force, anchors and controls cracks through the prestress effect, playing a role in improving the bearing capacity, crack resistance, stiffness and stability of concrete components, having strong practicability and being convenient for the user to use.

[0026] Specifically, a plug-in groove adapted to the plug-in plate 604 is provided on the surface of the anchor body 1, and the plug-in plate 604 is inserted into the inside of the plug-in groove.

[0027] In this embodiment, by providing the plug-in plate 604, using the plug-in relationship between the plug-in plate 604 and the plug-in groove on the surface of the anchor body 1, by pulling the pull rod 601, the spring 602 is compressed, and then the movable plate 603 drives the plug-in plate 604 to make a vertical lifting movement, so that the plug-in state of the plug-in plate 604 and the plug-in groove can be released, realizing the disassembly of the anchor body 1, facilitating the next use of the anchor body 1, improving the resource utilization rate, having strong practicability and being convenient for the user to use.

[0028] Specifically, the connection relationship between the threaded rod 701 and the nut seat 703 is a threaded connection, and a threaded hole adapted to the threaded rod 701 is provided inside the nut seat 703.

[0029] In this embodiment, by setting a threaded rod 701 and a nut seat 703, utilizing the threaded connection relationship between the threaded rod 701 and the nut seat 703, the threaded rod 701 is driven to rotate by rotating the rotating handle 702, so that the nut seat 703 moves horizontally along the outside of the threaded rod 701, and then the nut seat 703 drives the clamping plate 704 to move horizontally, so that the clamping state between the clamping plate 704 and the movable plate 603 can be released, and the locking state of the movable plate 603 can be released, which facilitates the subsequent disassembly of the anchor body 1.

[0030] When in use, first insert the anchor into the hole where it needs to be installed, make sure that the anchor is completely inserted into the hole and firmly connected to the surrounding concrete or foundation, pass the steel bar through the anchor plate 2, and put the anchor body 1 on the steel bar, then use appropriate equipment or tools to apply appropriate traction, then cut the excess steel bar short, pull the connecting block 3 through the connecting rod 301, and after the clamping block 204 is pressed against the steel bar, pour cement from the grouting hole 201 to make the steel bar more stable. After the fixing is completed, turn the rotating handle 7 02 drives the threaded rod 701 to rotate, so that the nut seat 703 moves horizontally along the outside of the threaded rod 701, and then the nut seat 703 drives the clamping plate 704 to move horizontally, which can release the locking state of the clamping plate 704 on the movable plate 603, and then by pulling the pull rod 601, the spring 602 is compressed, and the movable plate 603 drives the plug-in plate 604 to move to the inside of the first slot 6, which can release the lock on the anchor body 1, and the anchor body 1 can be disassembled to improve the recycling rate of resources.

[0031] To sum up, the vertical prestressed steel rod threaded anchor is provided with a fixing ring 5. When the anchor body 1 needs to be disassembled, the threaded rod 701 is driven to rotate by rotating the rotating handle 702, so that the nut seat 703 moves horizontally along the outside of the threaded rod 701, and then the nut seat 703 drives the clamping plate 704 to move horizontally, so that the locking state of the clamping plate 704 on the movable plate 603 can be released, and then the pull rod 601 is pulled to compress the spring 602, and then the movable plate 603 drives the plug-in plate 604 to move to the inside of the first groove 6, so that the lock on the anchor body 1 can be released, and the anchor body 1 can be disassembled, thereby improving the recycling rate of resources.

[0032] 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 the 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 vertical prestressed steel bar threaded anchor, comprising an anchor body (1), an anchor backing plate (2) and a connecting block (3), characterized in that: On the other side of the said anchor backing plate (2), a fixed ring (5) is fixedly arranged. Inside the fixed ring (5), a first groove (6) is formed. Inside the first groove (6), a pull rod (601) is movably arranged. A spring (602) is sleeved outside the pull rod (601). One end of the pull rod (601) is fixedly provided with a movable plate (603). On the other side of the movable plate (603), a plug-in plate (604) is fixedly arranged. The plug-in plate (604) is movably connected with the anchor body (1). Inside the fixed ring (5) and on the left side of the first groove (6), a second groove (7) is formed. Inside the second groove (7), a threaded rod (701) is movably arranged. One end of the threaded rod (701) penetrates through one side of the fixed ring (5) and extends to the outside of the fixed ring (5). One end of the threaded rod (701) is fixedly provided with a rotating handle (702). A nut seat (703) is movably arranged outside the threaded rod (701). At the bottom of the nut seat (703), a clamping plate (704) is fixedly arranged. The clamping plate (704) is clamped in a clamping groove formed on one side of the movable plate (603).

2. The vertical prestressed steel bar threaded anchor according to claim 1, characterized in that: On one side of the anchor body (1), a first through hole (101) is formed. At the upper part of one side of the anchor backing plate (2), a grouting hole (201) is formed. At the middle part of one side of the anchor backing plate (2), a second through hole (202) is formed. Inside the second through hole (202), a wedge-shaped grip (203) is fixedly arranged.

3. A vertical prestressed steel bar threaded anchor according to claim 1, characterized in that: On one side of the anchor backing plate (2), a clamping block (204) is movably arranged. On one side of the connecting block (3), a connecting rod (301) is fixedly arranged. The connecting rod (301) penetrates through the inside of the first through hole (101).

4. A vertical prestressed steel bar threaded anchor according to claim 1, characterized in that: On one side of the anchor backing plate (2), a spiral reinforcement (4) is fixedly arranged.

5. The vertical prestressed steel bar threaded anchor according to claim 1, characterized in that: On the surface of the anchor body (1), a plug-in groove adapted to the plug-in plate (604) is formed. The plug-in plate (604) is plugged into the inside of the plug-in groove.

6. The vertical prestressed steel bar threaded anchor according to claim 1, characterized in that: The connection relationship between the threaded rod (701) and the nut seat (703) is a threaded connection. Inside the nut seat (703), a threaded hole adapted to the threaded rod (701) is formed.

Images