CN219548163U - Wisdom steel strand wires special anchor structure - Google Patents

Abstract

The utility model discloses an anchor structure special for intelligent steel strands, which comprises the following components: the central hole penetrates through two ends of the anchor seat, and the inner size of the central hole is larger than the outer size of the binding post of the intelligent steel strand; and the limiting device is clamped at the inner end part of the central hole and comprises two half blocks, any half block is of a half-arc plate structure, the inner cambered surfaces of the two half blocks are oppositely arranged and jointly form an inner channel, the inner channel and the central hole are coaxially arranged, and the size of the inner channel is matched with the outer diameter of the intelligent steel strand. According to the intelligent steel strand anchoring device, the anchor seat with the center hole is matched with the limiting device with the Harvard structure to anchor the intelligent steel strand, the limiting device is detachably connected with the center hole of the anchor seat, different intelligent steel strand structures can be adapted through changing the Harvard structure with different sizes, and the anchoring efficiency and the anchoring quality of the intelligent steel strand are effectively improved.

Description

Wisdom steel strand wires special anchor structure

Technical Field

The utility model relates to the technical field of anchors. More particularly, the utility model relates to an anchor structure special for intelligent steel strands.

Background

The steel strand is a single-strand steel wire rope formed by twisting a plurality of steel wires, and is often used as a main stress member to be applied to engineering structures such as bridge guys, prestressed concrete members, rock-soil anchor cables and the like. The steel strand is in a high-stress state for a long time in use, the normal state or the non-normal state of the stress state is related to the use safety of the engineering structure, and the steel strand is easily affected by the surrounding environment to generate the problems of corrosion, rust, prestress loss and the like, thereby affecting the working performance of the steel strand. Therefore, the stress use state and the working environment of the steel strand must be monitored for a long time and in real time, and the stress state of the steel strand is mastered by monitoring data, so that the use safety of the engineering structure is ensured. With the technical development, the intelligent steel strand formed by coupling the steel strand and the optical fiber is gradually applied to actual engineering construction, and can replace common steel strand and monitoring equipment to simultaneously carry out stress and monitoring, so that the integration of functions is realized, and the problems of complex structure, difficult installation and adaptability under different projects and different environments of conventional monitoring equipment are solved.

However, in actual construction of the steel strand, the conventional steel strand anchorage is generally designed according to the structure of the common steel strand, and certain protection measures are needed to be adopted for use due to the existence of the optical fiber during anchoring the smart steel strand, and the risk of damaging the optical fiber still exists; meanwhile, the diameter of a central anchor hole of a conventional steel strand anchor is fixed, and the intelligent steel strand anchor cannot adapt to the condition that a wiring terminal in an intelligent steel strand has multiple sockets.

In order to solve the problems, a special composite anchorage structure for the intelligent steel strand needs to be designed, and the adaptability and the anchoring quality of the anchorage to the intelligent steel strand are improved.

Disclosure of Invention

The utility model aims to provide a special composite anchorage structure for intelligent steel strands, which realizes the anchoring of the intelligent steel strands through the cooperation of an anchorage seat with a central opening and a limiting device with a Harvard structure, wherein the limiting device is detachably connected with the central opening of the anchorage seat, and can adapt to different intelligent steel strand structures by changing the Harvard structure with different sizes, thereby effectively improving the anchoring efficiency and the anchoring quality of the intelligent steel strands.

To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a smart steel strand dedicated anchor structure comprising:

the central hole penetrates through two ends of the anchor seat, and the inner size of the central hole is larger than the outer size of the binding post of the intelligent steel strand;

the limiting device is clamped at the inner end part of the central hole and comprises two half-arc plate structures, the inner cambered surfaces of the two half-arc plates are oppositely arranged and jointly form an inner channel, the inner channel and the central hole are coaxially arranged, and the size of the inner channel is matched with the outer diameter of the intelligent steel strand.

Preferably, the special anchor structure for the smart steel strand is characterized in that a plurality of anchor holes are further formed in the anchor base, the anchor holes are distributed on the outer side of the central hole at intervals along the circumferential direction of the central hole, and the axis of any anchor hole is parallel to the axis of the central hole.

Preferably, the special anchor structure for the smart steel strand is a cylindrical structure, and the axis of the anchor structure is coincident with the axis of the central hole.

Preferably, the special anchor structure for the smart steel strand, the two haffling blocks together form a frustum-shaped haffling structure, and the smaller end part of the haffling block is clamped into the central hole and is detachably connected with the central hole.

Preferably, the special anchor structure for the intelligent steel strand is characterized in that the smaller-diameter end part of the frustum-shaped haverse structure is arranged towards the wiring terminal of the intelligent steel strand.

Preferably, the special anchorage device structure for the intelligent steel strand is characterized in that two haffling blocks are arranged at intervals and aligned at two ends, the outer cambered surface of any haffling block is connected with the inner side wall of the central hole in a fitting manner, and the inner cambered surface of the haffling block is connected with the outer side wall of the intelligent steel strand in a fitting manner.

The utility model at least comprises the following beneficial effects:

1. according to the intelligent steel strand wire connecting terminal, the anchor seat with the center hole is matched with the limiting device with the Harvard structure to anchor the intelligent steel strand wires, so that the intelligent steel strand wire connecting terminal can adapt to intelligent steel strand wire connecting terminals with large-diameter multiple plugs, and the anchoring operation is convenient; the limiting device is detachably connected with the central hole of the anchor seat, different intelligent steel strand structures can be adapted by changing the Harvey structures with different sizes, and the anchoring efficiency and the anchoring quality of the intelligent steel strand are effectively improved;

2. the limiting device adopts a frustum-shaped Harvard structure, can adapt to complex tensioning operation of group anchors, can monitor the working state of the steel strand in real time with high precision and multiple parameters (strain, temperature and the like) for a long period, ensures long-term healthy work of the steel strand, and finally realizes long-term safe operation of a bridge structure.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic structural diagram of a composite anchorage device dedicated for smart steel strands according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the anchor according to the above embodiment;

fig. 3 is a schematic perspective view of the limiting device according to the above embodiment;

FIG. 4 is a schematic front view of the limiting device according to the above embodiment;

FIG. 5 is a schematic side view of the limiting device according to the above embodiment;

fig. 6 is a schematic structural diagram of the smart twisted wire and the multi-jack connection terminal according to the above embodiment.

Reference numerals illustrate:

1. an anchor seat; 2. an anchor hole; 3. a central bore; 4. a limiting device; 5. steel strand; 6. an optical fiber; 7. multi-socket terminals.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

As shown in fig. 1-6, the present utility model provides an anchor structure special for intelligent steel strands, comprising:

the central hole 3 is formed in the middle of the anchor seat 1, penetrates through two ends of the anchor seat 1, and the inner size of the anchor seat is larger than the outer size of a wiring terminal of the intelligent steel strand;

the limiting device 4 is clamped at the inner end part of the central hole 3, the limiting device 4 comprises two half blocks, any half block is of a half-arc plate structure, the inner cambered surfaces of the two half blocks are oppositely arranged and jointly form an inner channel, the inner channel and the central hole 3 are coaxially arranged, and the size of the inner channel is matched with the outer diameter of the intelligent steel strand.

In the above-mentioned technical scheme, after the binding post of wisdom steel strand wires passes the centre bore on the anchor pad, adopt stop device to anchor the line body part of wisdom steel strand wires on the anchor pad, wherein, the intrados cooperation cover of two hafei blocks is established in the line body outside of wisdom steel strand wires, simultaneously, the lateral wall and the centre bore cooperation joint of two hafei blocks to stop device regard as intermediate structure with wisdom steel strand wires and anchor pad fixed connection, can effectively prevent that wisdom steel strand wires from sliding. Specifically, a central hole formed in the middle of the anchor seat allows a large-size wiring terminal to pass through smoothly, and when the wiring terminal is of a regular symmetrical structure, the inner diameter (inner size) of the central hole is larger than the outer diameter/side length (outer size) of the wiring terminal; when binding post is irregular or asymmetric structure, centre bore internal diameter (inside dimension) is greater than binding post on the length (outside dimension) of widest position to, no matter how binding post structure of wisdom steel strand wires changes, the quick centre bore that passes that the homoenergetic is accessible carries out the anchor operation of next step, makes wisdom steel strand wires special compound ground tackle structure adaptation major diameter multi-plug wisdom steel strand wires binding post structure that can be better, and the centre bore diameter is obviously greater than wisdom steel strand wires's line body diameter under this condition, is difficult for causing the damage to the optic fibre part in the wisdom steel strand wires at threading and anchoring in-process, has guaranteed wisdom steel strand wires anchor quality. The two half blocks are of semicircular arc plate structures which are symmetrically arranged and are detachably connected, an inner channel (allowing a wire body of the intelligent steel strand to penetrate through) penetrating through the inner arc surfaces of the half blocks in the axial direction is formed between the inner arc surfaces of the half blocks after the half blocks are spliced, the outer arc surfaces of the half blocks are clamped with the central holes and are relatively compressed, the intelligent steel strand is further locked inwards after the inner arc surfaces are subjected to radial compression force, and then quick, stable and reliable anchoring of the intelligent steel strand is completed. In addition, the Hafu block of the limiting device fills the gap between the wire body and the central hole of the intelligent steel strand, and can effectively prevent the reverse displacement of the wiring terminal, so that the anchoring stability is further ensured.

In this embodiment, as shown in fig. 6, after the steel strand 5 of the smart steel strand is coupled with the optical fiber 6, a multi-jack terminal 7 is adopted at the end, and when the smart steel strand is anchored, one end of the multi-jack terminal on the smart steel strand needs to pass through the central hole of the anchor seat, and then a limiting device (harather block) is clamped in the central hole to anchor. The limiting device can be independently embedded into the anchor seat, the dismounting is convenient, when the size (diameter) of the intelligent steel strand changes, the novel intelligent steel strand can be adapted by replacing the haffling blocks with different sizes (intrados radiuses), the anchor does not need to be integrally reworked, and the steel strand anchoring efficiency is improved and the construction cost is controlled.

In another technical scheme, the special anchor structure for the smart steel strand is characterized in that a plurality of anchor holes 2 are further formed in the anchor base 1 and are distributed on the outer side of the central hole 3 at intervals along the circumferential direction of the central hole, and the axis of any anchor hole 2 is parallel to the axis of the central hole 3. The outside of the central hole is also distributed with a plurality of (small-diameter) anchor holes, so that the special anchor structure for the intelligent steel strand can be suitable for anchoring a more complex steel strand system, and the application range of the anchor is further improved.

In another technical scheme, the special anchor structure for the intelligent steel strand is characterized in that the anchor 1 is of a cylindrical structure, and the axis of the anchor is coincident with the axis of the central hole 3. In the embodiment, the anchor seat adopts a cylindrical structure, and the central hole for intelligent steel strand anchoring is coaxially arranged with the anchor seat, so that the stability of the stress structure of the anchoring is improved, and the anchoring quality is further improved.

In another technical scheme, the intelligent steel strand special anchor structure is characterized in that the two haffling blocks jointly form a frustum-shaped haffling structure, and the smaller end part of the haffling block is clamped into the central hole 3 and is detachably connected with the central hole. According to the technical scheme, the limiting device adopts a frustum-shaped Harvard structure, and the two detachably connected Harvard blocks can be fast clamped into the central hole to anchor the intelligent steel strand after the steel strand penetrates into the anchor seat; meanwhile, as shown in fig. 5, both inner and outer sides of the two haffling blocks form a frustum-shaped structure together, namely, a cylindrical structure with one narrow end (smaller diameter) and the other wide end (larger diameter), and any haffling block is of a half frustum-shaped structure, so that the clamping of the whole limiting device and the central hole is facilitated, the diameter of the central hole is positioned between the diameters of both ends of the outer frustum in actual installation, the narrow end of the haffling block can be smoothly clamped into the central hole, the outer conical surface of the haffling block gradually compresses the inner wall of the central hole and completes the limiting of an intelligent steel strand inside along with the increase of the clamping depth, the coaxiality of the limiting device and the central hole is controlled, and the anchoring quality of the intelligent steel strand is guaranteed.

In another technical scheme, special ground tackle structure of wisdom steel strand wires, the less tip of diameter of frustum formula haverse structure sets up towards wisdom steel strand wires's binding post. Among the above-mentioned technical scheme, stop device can block the one end of establishing at the centre bore binding post that is close to or keep away from wisdom steel strand wires, and under the above-mentioned two circumstances, two hafei blocks upper shed diameter less one end all is close to binding post setting, guarantees the rationality and the stability of whole anchor structure to improve binding post's anchoring stability.

In another technical scheme, special ground tackle structure of wisdom steel strand wires, two haffling piece interval settings and both ends align, the extrados of arbitrary haffling piece with the inside wall laminating of centre bore is connected, the intrados of haffling piece is connected with wisdom steel strand wires's lateral wall laminating. In the above technical scheme, the axial lengths of the two haffling blocks are the same and the two ends are aligned, the axial direction refers to the central line direction of an internal channel formed by the two haffling blocks together, the internal channel is a space formed by the intrados of the two haffling blocks and the gap between the intrados of the two haffling blocks together, as shown in fig. 4, the internal channel between the intrados of the two haffling blocks is not a closed structure along the circumference Xiang Quan, i.e. after the haffling blocks are clamped into the space between the intelligent steel strand and the central hole for limiting, a certain space still exists between the two sides of the intelligent steel strand (wire body part) and the inner wall of the central hole, the steel strand in construction (anchoring, tensioning and the like) is allowed to be deformed adaptively within a certain range, the anchoring effect of the anchor itself on the intelligent steel strand is not influenced, and the anchoring stability and the anchoring quality of the intelligent steel strand are further ensured.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (6)

1. Special ground tackle structure of wisdom steel strand wires, its characterized in that includes:

the central hole penetrates through two ends of the anchor seat, and the inner size of the central hole is larger than the outer size of the binding post of the intelligent steel strand;

the limiting device is clamped at the inner end part of the central hole and comprises two half-arc plate structures, the inner cambered surfaces of the two half-arc plates are oppositely arranged and jointly form an inner channel, the inner channel and the central hole are coaxially arranged, and the size of the inner channel is matched with the outer diameter of the intelligent steel strand.

2. The special anchor structure for intelligent steel strands according to claim 1, wherein a plurality of anchor holes are further formed in the anchor base and are distributed on the outer side of the central hole at intervals along the circumferential direction of the central hole, and the axis of any anchor hole is parallel to the axis of the central hole.

3. The smart steel strand dedicated anchor structure of claim 1, wherein the anchor is a cylindrical structure having an axis coincident with the axis of the central bore.

4. The smart steel strand dedicated anchor structure of claim 1, wherein the two haverse blocks together form a frustum-shaped haverse structure with a smaller diameter end portion that snaps into the central bore and is detachably connected thereto.

5. The smart steel strand dedicated anchor structure of claim 4, wherein the smaller diameter end of the frustum-shaped haverse structure is disposed toward the connection terminal of the smart steel strand.

6. The special anchor structure for intelligent steel strands according to claim 1, wherein two haverse blocks are arranged at intervals and two ends of each haverse block are aligned, the outer cambered surface of any haverse block is in fit connection with the inner side wall of the central hole, and the inner cambered surface of each haverse block is in fit connection with the outer side wall of the intelligent steel strand.