CN219496748U - Wisdom steel strand wires optic fibre binding post structure - Google Patents
Wisdom steel strand wires optic fibre binding post structure Download PDFInfo
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- CN219496748U CN219496748U CN202320284497.9U CN202320284497U CN219496748U CN 219496748 U CN219496748 U CN 219496748U CN 202320284497 U CN202320284497 U CN 202320284497U CN 219496748 U CN219496748 U CN 219496748U
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- optical fiber
- steel strand
- connecting cylinder
- extrusion sleeve
- terminal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The utility model discloses an intelligent steel strand optical fiber wiring terminal structure which is connected to the tail end of a steel strand and comprises an extrusion sleeve, a connecting cylinder, an optical fiber wiring terminal and an optical fiber, wherein the extrusion sleeve is arranged at the tail end of the steel strand in an extrusion mode, two ends of the extrusion sleeve are respectively and detachably connected with the connecting cylinder and the optical fiber wiring terminal, and the optical fiber penetrates through the extrusion sleeve, the connecting cylinder and the optical fiber wiring terminal in sequence after penetrating out of the steel strand; the intelligent steel strand optical fiber wiring terminal can fix and protect the strain or temperature measuring optical fiber extending from the end part of the intelligent steel strand, and adjust the optical fiber length of the end part of the intelligent steel strand, so that the optical fiber extension can avoid influencing signal transmission.
Description
Technical Field
The utility model relates to the field of intelligent steel strand end optical fiber packaging. More particularly, the utility model relates to a smart steel strand optical fiber wiring terminal structure.
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 used in a high-stress state for a long time, whether the stress state is normal or not is related to the use safety of the engineering structure, the steel strand is easily influenced by the surrounding environment, corrosion and rust occur, prestress loss occurs, and the working performance of the steel strand is further influenced. Therefore, the stress use state and the working environment of the steel strand must be monitored in real time for a long 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.
The existing intelligent steel strand technology adopts a method of directly grooving and embedding the fiber bragg grating sensor in the central steel wire of the steel strand or replacing the central steel wire with the FRP rib embedded with the fiber bragg grating sensor, and the structure has lower monitoring data precision due to uncoordinated deformation of the optical fiber and the steel strand, but the method of arranging the fiber bragg grating sensor by utilizing the gap between the side wires cannot well protect the optical fiber. The supporting structures such as the optical fiber wiring terminal are indispensable component parts of wisdom steel strand wires structural system. The existing optical fiber wiring terminal has low protection effectiveness on optical fibers, is complex in structure, only protects single optical fibers, and cannot adjust the length of the end optical fibers. In view of the above problems, there is a need to develop a smart twisted-steel fiber optic terminal structure suitable for a smart twisted-steel structure system.
Disclosure of Invention
To achieve these objects and other advantages and in accordance with the purpose of the utility model, as embodied and broadly described herein, a smart steel strand optical fiber terminal structure, which is connected to the end of a steel strand, includes a pressing sleeve, a connection cylinder, an optical fiber terminal, and an optical fiber, wherein,
the extrusion sleeve is arranged at the tail end of the steel strand in an extrusion sleeved mode, two ends of the extrusion sleeve are detachably connected with the connecting cylinder and the optical fiber connecting terminal respectively, and the optical fiber penetrates through the steel strand, then sequentially penetrates through the extrusion sleeve and the connecting cylinder and is connected with the optical fiber connecting terminal; the optical fiber connection terminals are at least one, the optical fibers are at least one, the optical fiber connection terminals correspond to the optical fibers one by one, and each optical fiber is connected to the corresponding optical fiber connection terminal.
Preferably, in the smart twisted-steel optical fiber connecting terminal structure, the smart twisted-steel optical fiber connecting terminal further comprises a fixing sleeve connected to one end of the optical fiber connecting terminal close to the connecting cylinder, and the connecting cylinder is connected with the fixing sleeve through threads.
Preferably, in the smart steel strand optical fiber connecting terminal structure, an external thread is arranged on the surface of the fixing sleeve, and an internal thread is arranged on the inner surface of one end of the connecting cylinder, which is close to the fixing sleeve.
Preferably, in the smart steel strand optical fiber connecting terminal structure, the extrusion sleeve is connected with the connecting cylinder through threads.
Preferably, in the smart steel strand optical fiber connecting terminal structure, the extrusion sleeve is provided with a threaded end, the surface of the extrusion sleeve is provided with external threads, and the inner surface of one end of the connecting cylinder, which is close to the extrusion sleeve, is provided with internal threads.
Preferably, in the smart twisted-steel fiber optic binding post structure, when the optical fiber binding posts are plural, plural optical fiber binding posts are connected into a whole.
The utility model at least comprises the following beneficial effects:
the intelligent steel strand optical fiber wiring terminal can fix and protect the strain or temperature measurement optical fiber extending from the end part of the intelligent steel strand, adjust the optical fiber length of the end part of the intelligent steel strand, and enable the optical fiber to extend so as to avoid influencing signal transmission. The intelligent steel strand end optical fiber monitoring system can ensure that the working state of the intelligent steel strand is monitored in real time with high precision and long period, ensure that the optical fiber at the intelligent steel strand end works healthily for a long time, and finally realize 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 diagram illustrating the disassembly of the smart twisted-steel fiber connection terminal of the present utility model when the structure is a single socket type.
Fig. 2 is a schematic connection diagram of the smart twisted-steel fiber optic connection terminal according to the present utility model when the structure is a single socket type.
Fig. 3 is a schematic diagram illustrating the disassembly of the smart twisted-steel fiber connection terminal of the present utility model when the structure is multi-socket type.
Fig. 4 is a schematic connection diagram of the smart twisted-steel fiber optic connection terminal according to the present utility model when the structure is multi-socket.
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.
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in fig. 1 to 4, a preferred embodiment of the present utility model provides a smart steel strand optical fiber terminal structure connected to the end of a steel strand 1, the smart steel strand optical fiber terminal structure including an extrusion sleeve 2, a connection cylinder 3, an optical fiber terminal 5, and an optical fiber 6, wherein,
the extrusion sleeve 2 is arranged at the tail end of the steel strand 1 in an extrusion sleeved mode, two ends of the extrusion sleeve 2 are detachably connected with the connecting cylinder 3 and the optical fiber terminal 5 respectively, and the optical fiber 6 penetrates through the steel strand 1, then sequentially penetrates through the extrusion sleeve 2 and the connecting cylinder 3 and is connected with the optical fiber terminal 5; the number of the optical fiber terminal heads 5 is at least one, the number of the optical fibers 6 is at least one, the optical fiber terminal heads 5 and the optical fibers 6 are in one-to-one correspondence, and each optical fiber 6 is respectively connected with the corresponding optical fiber terminal head 5. And the fixing sleeve 4 is connected to one end of the optical fiber terminal head 5, which is close to the connecting cylinder 3, and the connecting cylinder 3 is connected with the fixing sleeve 4 through threads.
In the above embodiment, the extrusion sleeve 2 is connected with the steel strand 1 through extrusion, and serves to fix the entire connection terminal at the end of the steel strand 1. The extrusion sleeve 2 is connected with a connecting cylinder 3 at the other side, and the connecting cylinder 3 is connected with a fixed sleeve 4. The optical fiber 6 sequentially passes through the extrusion sleeve 2 and the connecting cylinder 3 after extending out from the end part of the intelligent steel strand and is connected to the optical fiber terminal 5. The long optical fiber stretching out from the intelligent steel strand can be stored in the connecting cylinder 3, and when in use, the connecting cylinder 3 is rotated, so that the whole length of the wiring terminal structure is stretched, the optical fiber is straightened, a better measuring effect is obtained, and the length is adjusted to be 5-10 cm.
The intelligent steel strand optical fiber wiring terminal structure can be particularly divided into a single-jack type and a multi-jack type according to the number of the optical fiber wiring terminals 5, wherein the single-jack type corresponds to one optical fiber wiring terminal 5 and one optical fiber 6, and the single-jack type optical fiber wiring terminal can output 1 parameter, has a small diameter and can pass through a common anchorage device, so that the anchorage device does not need to be adjusted; the multi-jack type optical fiber wiring terminal corresponds to the plurality of optical fiber wiring terminals 5 and the plurality of optical fibers 6, can output 2 and more parameters, measures the multi-parameters such as steel strand temperature, strain and the like, comprehensively controls various key parameters of the intelligent steel strand, has larger diameter and needs to be matched with the special anchorage device of the intelligent steel strand for use.
In another preferred embodiment, the surface of the fixing sleeve 4 is provided with external threads, the inner surface of one end of the connecting cylinder 3, which is close to the fixing sleeve 4, is provided with internal threads, and the threaded connection is utilized to facilitate the installation/disassembly, and the purpose of controlling the structural length of the whole connecting terminal can be realized by controlling the length of the threaded connection.
The screw thread directions on the extrusion sleeve 2 and the fixing sleeve 4 should be opposite, so that the two sides can be simultaneously screwed in and out when the connecting cylinder is rotated.
In another preferred embodiment, the extrusion sleeve 2 and the connecting cylinder 3 are connected through threads, so that the connection is convenient to install/disassemble, and the purpose of controlling the structural length of the whole connecting terminal can be realized by controlling the length of the threaded connection.
In another preferred embodiment, a specific connection mode of the extrusion sleeve 2 and the connecting cylinder 4 is provided, the extrusion sleeve 2 is provided with a threaded end, the surface of the extrusion sleeve is provided with external threads, and the inner surface of one end of the connecting cylinder 3, which is close to the extrusion sleeve 2, is provided with internal threads.
In another preferred embodiment, when the number of the optical fiber terminal heads 5 is plural, the plural optical fiber terminal heads 5 are integrally connected, so that the use is convenient at a later stage, and the inconvenience in use caused by the movement of the plural optical fiber terminal heads 5 is avoided.
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. An intelligent steel strand optical fiber wiring terminal structure is connected to the tail end of a steel strand and is characterized by comprising an extrusion sleeve, a connecting cylinder, an optical fiber wiring terminal head and an optical fiber, wherein,
the extrusion sleeve is arranged at the tail end of the steel strand, two ends of the extrusion sleeve are respectively detachably connected with the connecting cylinder and the optical fiber terminal, and the optical fiber penetrates through the steel strand, then sequentially penetrates through the extrusion sleeve and the connecting cylinder and is connected with the optical fiber terminal; the optical fiber connection terminals are at least one, the optical fibers are at least one, the optical fiber connection terminals correspond to the optical fibers one by one, and each optical fiber is connected to the corresponding optical fiber connection terminal.
2. The smart steel stranded wire optical fiber terminal structure according to claim 1, further comprising a fixing sleeve connected to an end of the optical fiber terminal near the connecting cylinder, wherein the connecting cylinder is connected with the fixing sleeve through threads.
3. The intelligent steel strand optical fiber connection terminal structure according to claim 2, wherein the surface of the fixing sleeve is provided with external threads, and the inner surface of one end of the connecting cylinder, which is close to the fixing sleeve, is provided with internal threads.
4. The smart steel strand optical fiber terminal structure of claim 1, wherein the extrusion sleeve and the connecting cylinder are connected through threads.
5. The intelligent steel strand optical fiber connection terminal structure according to claim 4, wherein the extrusion sleeve is provided with a threaded end, an external thread is arranged on the surface of the extrusion sleeve, and an internal thread is arranged on the inner surface of one end of the connecting cylinder, which is close to the extrusion sleeve.
6. The intelligent steel strand optical fiber connection terminal structure according to claim 4, wherein when the optical fiber connection terminal is plural, plural optical fiber connection terminals are connected as one body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320284497.9U CN219496748U (en) | 2023-02-22 | 2023-02-22 | Wisdom steel strand wires optic fibre binding post structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320284497.9U CN219496748U (en) | 2023-02-22 | 2023-02-22 | Wisdom steel strand wires optic fibre binding post structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219496748U true CN219496748U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320284497.9U Active CN219496748U (en) | 2023-02-22 | 2023-02-22 | Wisdom steel strand wires optic fibre binding post structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219496748U (en) |
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2023
- 2023-02-22 CN CN202320284497.9U patent/CN219496748U/en active Active
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