Main cable anchoring device for bridge

Abstract

The utility model provides a main cable anchoring device for a bridge, which comprises an anchor backing plate, an anchor ring and a clamping piece, a plurality of holes are evenly formed in the surface of the anchor ring in a penetrating mode, a plurality of threaded ring grooves are evenly formed in the surface of the anchor ring, and the threaded ring grooves correspond to the holes in a one-to-one coinciding mode. The diameter of the threaded ring groove is larger than that of the hole. Limiting stoppers are detachably and fixedly installed in the threaded ring grooves, and the clamping pieces are installed in the corresponding holes in a pluggable mode through the limiting stoppers. Due to the overall arrangement, the anchor ring and the clamping pieces can be installed together, and therefore the trouble that the clamping pieces need to be independently installed one by one and installed in the corresponding holes one by one is avoided.

Description

Technical Field

[0001] The utility model relates to the field of bridges, and in particular to a main cable anchoring device for bridges. Background Art

[0002] The main cable anchorage device for bridges, namely the anchor cable anchor, plays a vital role in bridge construction. The main cable anchorage device for bridges refers to the device that connects the inclined cable to the main beam or main tower of the bridge. Its function is to bear the tension transmitted by the inclined cable and transmit it to the foundation structure of the bridge.

[0003] However, in the existing main cable anchoring device for bridges, since the anchor ring and the clip are separate, after installing the anchor ring, the clips need to be installed one by one, and then the clips need to be moved one by one to the corresponding through holes in the anchor ring, which leads to cumbersome construction.

[0004] Therefore, it is very necessary to invent a main cable anchoring device for a bridge. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a main cable anchoring device for a bridge, which adopts a technical solution: a main cable anchoring device for a bridge, comprising an anchor pad, an anchor ring and a clip, wherein: the anchor pad and the anchor ring are plugged and fixedly connected; a plurality of holes are evenly distributed on the surface of the anchor ring, and a plurality of threaded ring grooves are evenly distributed on the surface of the anchor ring, and the threaded ring grooves correspond to the holes one by one; the diameter of the threaded ring groove is larger than the diameter of the hole; a limiter is detachably fixedly installed in the threaded ring groove, and the clip is plugged and installed in the corresponding hole through the limiter;

[0006] Preferably, the limiter comprises an externally threaded sleeve, a tension spring and a limiting sleeve, and one end of the externally threaded sleeve is fixedly connected to one end of the tension spring, and the other end of the tension spring is communicated with one end of the limiting sleeve; the externally threaded sleeve, the tension spring and the limiting sleeve are communicated with each other, and are coaxial; the tension spring sleeve is arranged on the outside of the clamp; the externally threaded sleeve is fixedly connected to the corresponding threaded ring groove by threads; the inner diameter of the externally threaded sleeve is larger than the diameter of the clamp at the largest point; the inner diameter of the limiting sleeve is smaller than the diameter of the clamp at the largest point; the inner diameter of the tension spring is larger than the diameter of the clamp at the largest point; and the limiting sleeve is in contact with the large end of the clamp.

[0007] Preferably, a plurality of positioning columns are evenly and fixedly installed at the through holes on the front side of the anchor plate, and the positioning columns are plug-in connected to the anchor ring; a pouring port is opened on the front side of the anchor plate, and the pouring port is connected to the through holes.

[0008] Preferably, a plurality of reinforcing columns are evenly distributed and fixedly installed on the circumference of the connecting tube at the rear side of the anchor plate; the connecting tube is connected with the through hole and the pouring port.

[0009] Preferably, a plurality of positioning holes are evenly distributed through the surface of the anchor ring, and the positioning holes correspond to the positioning posts one by one, and the positioning posts are inserted into the corresponding positioning holes; the length of the positioning posts is the same as the length of the positioning holes.

[0010] Compared with the prior art, the advantages of the utility model are:

[0011] The overall arrangement of the utility model enables the anchor ring and the clip to be installed together, thus avoiding the trouble of installing the clips one by one and installing the clips into the corresponding holes one by one. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic structural diagram of the tension spring of the utility model in a contracted state.

[0013] Figure 2 It is a structural schematic diagram of the expansion state of the extension spring of the utility model.

[0014] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0015] In the figure:

[0016] Anchor plate 1, through hole 2, positioning column 3, connecting tube 4, anchor ring 5, eyelet 6, threaded ring groove 7, positioning hole 8, clip 9, external threaded ring sleeve 10, tension spring 11, limiting ring sleeve 12, pouring port 13, reinforcement column 1. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0018] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Example

[0021] Reference Figure 1-3 A main cable anchoring device for a bridge comprises an anchor plate 1, an anchor ring 5 and a clip 9, wherein: the anchor plate 1 and the anchor ring 5 are fixedly connected by plugging and unplugging; a plurality of holes 6 are evenly distributed on the surface of the anchor ring 5 so as to be sleeved on the steel strand, and a plurality of threaded ring grooves 7 are evenly distributed on the surface of the anchor ring 5 so as to be disassembled and assembled with a stopper, and the threaded ring grooves 7 correspond to the holes 6 one by one; the diameter of the threaded ring grooves 7 is larger than the diameter of the holes 6; a stopper is detachably fixedly installed in the threaded ring grooves 7 so as to connect the anchor ring 5 with the clip 9 and limit the clip 9, and the clip 9 is plugged and unplugged and installed in the corresponding hole 6 through the stopper;

[0022] The limiter includes an external threaded sleeve 10, a tension spring 11 and a limiting sleeve 12, and one end of the external threaded sleeve 10 is fixedly connected to one end of the tension spring 11, and the external threaded sleeve 10 is set so as to be disassembled and assembled between the threaded ring groove 7. The other end of the tension spring 11 is connected to one end of the limiting sleeve 12. Through the setting of the limiting sleeve 12, the clip 9 can be limited in the corresponding hole 6 and the tension spring 11 to prevent the clip 9 from escaping from the tension spring 11; the external threaded sleeve 10, the tension spring 11 and the limiting sleeve 12 are connected, and the external threaded sleeve 10, the tension spring 11 and the limiting sleeve 12 are coaxial; the tension spring 11 is sleeved on the outside of the clip 9, and through the setting in the tension spring 11, when the clip 9 is sleeved on the steel strand When the clamp 9 is on, the distance that the clamp 9 moves outward from the corresponding hole 6 can be limited, so that the conical tip of the clamp 9 is always in the hole 6 to prevent the clamp 9 from completely detaching from the corresponding hole 6, but it will not affect the unfolding of the clamp 9, and at the same time it is convenient for the clamp 9 to automatically move into the corresponding hole 6; the external threaded ring sleeve 10 and the corresponding threaded ring groove 7 are fixedly connected by threads; the inner diameter of the external threaded ring sleeve 10 is larger than the diameter of the largest part of the clamp 9, so that the tension spring 11 is sleeved on the outside of the clamp 9; the inner diameter of the limiting ring sleeve 12 is smaller than the diameter of the largest part of the clamp 9, so as to limit the clamp 9 and prevent the clamp 9 from escaping from the tension spring 11; the inner diameter of the tension spring 11 is larger than the diameter of the largest part of the clamp 9; the limiting ring sleeve 12 is in contact with the large end of the clamp 9.

[0023] A number of positioning columns 3 are evenly and fixedly installed at the through hole 2 on the front side of the anchor plate 1 to limit the anchor ring 5 and prevent the force bearing point of the anchor ring 5 from deviation, and the positioning columns 3 are connected to the anchor ring 5 by plugging and unplugging; a pouring port 13 is opened on the front side of the anchor plate 1, and the pouring port 13 is connected to the through hole 2.

[0024] A plurality of reinforcing columns 14 are evenly and fixedly installed on the circumference of the connecting tube 4 at the rear side of the anchor plate 1 to increase the pouring area with concrete and improve the strength between the anchor plate 1 and the concrete; the connecting tube 4 is connected with the through hole 2 and the pouring port 13.

[0025] A plurality of positioning holes 8 are evenly distributed through the surface of the anchor ring 5 to connect with the positioning posts 3 , and the positioning holes 8 correspond to the positioning posts 3 one by one, and the positioning posts 3 are inserted into the corresponding positioning holes 8 ; the length of the positioning posts 3 is the same as the length of the positioning holes 8 .

[0026] In this embodiment, when the anchor ring 5 and the clip 9 are installed on the steel strand, the head end of the steel strand is inserted into the corresponding eyelet 6 and enters the corresponding clip 9; in the process of entering the clip 9, the clip 9 will be pushed out of the eyelet 6 by the steel strand so that the clip 9 can be unfolded and the steel strand can pass smoothly; in the process of the clip 9 being pushed, the clip 9 will force the tension spring 11 to unfold. Due to the action of the tension spring 11, the distance that the clip 9 moves out of the eyelet 6 will be limited, and the conical tip end of the clip 9 will always be in the eyelet 6 to prevent the clip 9 from completely detaching from the eyelet 6, but it will not affect the normal unfolding of the clip 9; then move the anchor ring 5 and the clip 9 to one side of the anchor plate 1 until the positioning column 3 is completely inserted into the corresponding positioning hole 8, at which time the anchor ring 5 will contact the anchor plate 1, and the clip 9 will also retract into the corresponding eyelet 6 under the action of the tension spring 11.

[0027] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A main cable anchoring device for a bridge, characterized in that: The invention comprises an anchor plate (1), an anchor ring (5) and a clip (9), wherein: the anchor plate (1) and the anchor ring (5) are fixedly connected by plugging and unplugging; a plurality of holes (6) are evenly distributed on the surface of the anchor ring (5), and a plurality of threaded ring grooves (7) are evenly distributed on the surface of the anchor ring (5), and the threaded ring grooves (7) correspond to the holes (6) one by one; a limiter is detachably fixedly installed in the threaded ring groove (7), and the clip (9) is installed in the corresponding hole (6) by plugging and unplugging through the limiter; The limiter comprises an external threaded ring sleeve (10), a tension spring (11) and a limiting ring sleeve (12), and one end of the external threaded ring sleeve (10) is fixedly connected to one end of the tension spring (11), and the other end of the tension spring (11) is communicated with one end of the limiting ring sleeve (12); the external threaded ring sleeve (10), the tension spring (11) and the limiting ring sleeve (12) are communicated with each other; the tension spring (11) is sleeved on the outside of the clamping piece (9); the external threaded ring sleeve (10) and the corresponding threaded ring groove (7) are fixedly connected by threads; the limiting ring sleeve (12) contacts the large end of the clamping piece (9).

2. A main cable anchoring device for a bridge according to claim 1, characterized in that: A plurality of positioning columns (3) are evenly and fixedly installed at the through hole (2) on the front side of the anchor plate (1), and the positioning columns (3) are connected to the anchor ring (5) by plugging and unplugging. A pouring port (13) is provided on the front side of the anchor plate (1), and the pouring port (13) is connected to the through hole (2).

3. A main cable anchoring device for a bridge as claimed in claim 2, characterized in that: A plurality of reinforcing columns (14) are evenly distributed and fixedly installed on the circumference of the connecting tube (4) at the rear side of the anchor plate (1); the connecting tube (4) is connected to the through hole (2) and the pouring port (13).

4. A main cable anchoring device for a bridge as claimed in claim 2, characterized in that: A plurality of positioning holes (8) are evenly distributed and penetrated through the surface of the anchor ring (5), and the positioning holes (8) correspond to the positioning columns (3) one by one, and the positioning columns (3) are inserted into the corresponding positioning holes (8).

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