Intelligent sensing optical fiber outer protective tube device for dam structure body

Abstract

The utility model relates to an intelligent sensing optical fiber outer protective tube device of a dam structural body, which belongs to the technical field of dam sensing optical fibers and comprises an optical fiber outer protective tube, a connector and a fixing bolt, a sealing structure is arranged on the peripheral wall of the connector, an installation structure is arranged on the peripheral wall of the optical fiber outer protective tube, and the fixing bolt is arranged on the sealing structure. Each sealing structure comprises a limiting ring fixedly installed on the peripheral wall of the corresponding connector, and a sealing ring is movably installed at the joint of the two connectors. According to the dam structural body intelligent sensing optical fiber outer protective tube device, the two connectors are sealed through the effect of the sealing ring, the sealing effect of connection of the two connectors is improved, the outer walls of the connectors are protected through the effect of the protective cover, the influence of external factors on the connectors is reduced, and the service life of the connectors is prolonged. Therefore, the service life of the connector is prolonged, the connection sealing performance of the connector is improved, and the connection part between the two protective covers is sealed under the action of the sealing strip, so that the sealing performance of the whole structure is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dam sensing optical fibers, in particular to an intelligent sensing optical fiber outer protective tube device for a dam structure. Background Art

[0002] The intelligent sensing optical fiber outer protective tube device for dam structures is a high-tech product used for dam safety monitoring. It installs optical fiber sensors in a special tubular protective structure. By sensing changes in optical fiber strain and temperature, it monitors key parameters of the dam in real time, such as stress, deformation, and seepage. It realizes intelligent analysis and early warning of the health status of the dam structure and ensures the safe operation of the dam.

[0003] At present, optical fibers are protected by optical fiber outer protective tubes to prevent external environmental factors from affecting the optical fibers. Multiple optical fiber outer protective tubes are connected and installed through connectors. Since the dam is located in a place with a large amount of water, there is sufficient water vapor in the surrounding air, and the connector is exposed to air with a high water content. The sealing material at the connection will accelerate aging, resulting in a decrease in sealing performance, which will cause water vapor to enter the inside of the connection and cause a certain impact on the internal optical fiber. Therefore, an intelligent sensing optical fiber outer protective tube device for the dam structure is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an intelligent sensing optical fiber outer protective tube device for a dam structure, which has the advantages of improving the sealing and protection effect of the connector, and solves the problem that when the connector is exposed to air with a high water content, the sealing material at the connection will age rapidly, resulting in a decrease in the sealing performance, thereby causing water vapor to enter the interior of the connection and causing a certain impact on the internal optical fiber.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intelligent sensing optical fiber outer protective tube device for a dam structure, comprising an optical fiber outer protective tube, a connector and fixing bolts, wherein the outer peripheral wall of the connector is provided with a sealing structure, and the outer peripheral wall of the optical fiber outer protective tube is provided with a mounting structure;

[0006] The sealing structure comprises a limit ring fixedly mounted on the outer peripheral wall of the connector, a sealing ring is movably mounted at the connection between the two connectors, two protective covers are movably mounted on the outer peripheral wall of the limit ring, positioning plates are fixedly mounted on the outer walls of the front and rear sides of the protective covers, a sealing strip is movably mounted between the two positioning plates, and mounting bolts are movably mounted inside the positioning plates;

[0007] The mounting structure includes two semi-annular rubber seats movably mounted on the outer peripheral wall of the optical fiber outer protective tube, the outer wall of the semi-annular rubber seat is fixedly mounted with a mounting seat, the outer walls on both the front and rear sides of the mounting seat are fixedly mounted with mounting seats, the interior of the mounting seat is movably mounted with connecting bolts, a clamping rod is fixedly mounted on one side of the mounting seat close to the protective cover, and the outer walls on both the left and right sides of the protective cover are fixedly mounted with clamping seats.

[0008] Furthermore, a mounting plate is fixedly mounted on the bottom outer wall of the bottom mounting base, and two screws are movably mounted inside the mounting plate.

[0009] Furthermore, the sealing ring is movably installed between two limiting rings, the diameter of the sealing ring is the same as the diameter of the limiting ring, the outer peripheral wall of the sealing ring and the outer peripheral wall of the limiting ring are both fitted inside the protective cover, and the protective cover is movably installed on the outer peripheral wall of the optical fiber outer protective tube.

[0010] Furthermore, the sealing strip is movably installed at the connection between the two protective covers, and the two sealing strips are respectively fitted with the front, rear, left and right outer walls of the protective covers. A through hole is opened inside the sealing strip, and the mounting bolts are movably installed inside the through hole and are adapted in size.

[0011] Furthermore, the two semi-annular rubber seats form an annular rubber sleeve, the two mounting and fixing seats form an installation ring, and the annular rubber sleeve is slidably connected to the outer peripheral wall of the optical fiber outer protective tube.

[0012] Furthermore, the clamping rod and the screw are installed in a staggered manner, a clamping slot is provided inside the clamping seat, and the clamping rod is slidably connected inside the clamping slot and has a matching size.

[0013] Furthermore, the number of the connectors is two, the number of the optical fiber outer protective tubes is two, the two connectors are fixedly installed on the outer walls of the two optical fiber outer protective tubes on opposite sides, and the fixing bolts are movably installed inside the connectors and the number is four.

[0014] Furthermore, a positioning ring is fixedly installed on the outer peripheral wall of the optical fiber outer protective tube.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The intelligent sensing optical fiber outer protective tube device of the dam structure seals the two connectors through the effect of the sealing ring, thereby improving the sealing effect of the connection between the two connectors, and protects the outer wall of the connector through the effect of the protective cover, reducing the impact of external factors on the connector, thereby increasing the service life of the connector and the sealing of the connection, and seals the connection between the two protective covers through the effect of the sealing strip, thereby greatly improving the sealing of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 For this utility model Figure 1 Schematic diagram of the cross-section structure;

[0019] Figure 3 This is a schematic diagram of the structure of the installation fixing seat and the semi-annular rubber sleeve of the utility model;

[0020] Figure 4 This is a schematic diagram of the sealing strip structure of the utility model.

[0021] In the figure:

[0022] 1. Fiber optic outer protective tube; 2. Connector; 3. Fixing bolt; 4. Limiting ring; 5. Sealing ring; 6. Protective cover; 7. Positioning plate; 8. Sealing strip; 9. Mounting bolt; 10. Mounting seat; 11. Semi-circular rubber seat; 12. Mounting seat; 13. Connecting bolt; 14. Clamping rod; 15. Clamping seat; 16. Mounting plate; 17. Screw; 18. Positioning ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] For example, see Figures 1 to 4 The intelligent sensing optical fiber outer protective tube device for the dam structure in this embodiment includes an optical fiber outer protective tube 1, a connector 2 and a fixing bolt 3. The outer peripheral wall of the connector 2 is provided with a sealing structure, and the outer peripheral wall of the optical fiber outer protective tube 1 is provided with a mounting structure.

[0025] There are two connectors 2 and two optical fiber outer protective tubes 1. The two connectors 2 are fixedly mounted on the outer walls of the two optical fiber outer protective tubes 1 on opposite sides, and the fixing bolts 3 are movably mounted inside the connectors 2 and there are four of them.

[0026] The sealing structure includes a limiting ring 4 fixedly installed on the outer peripheral wall of the connector 2, a sealing ring 5 movably installed at the connection between the two connectors 2, two protective covers 6 movably installed on the outer peripheral wall of the limiting ring 4, the sealing ring 5 movably installed between the two limiting rings 4, the diameter of the sealing ring 5 is the same as the diameter of the limiting ring 4, the outer peripheral wall of the sealing ring 5 and the outer peripheral wall of the limiting ring 4 are both fitted inside the protective cover 6, the protective cover 6 is movably installed on the outer peripheral wall of the optical fiber outer protective tube 1, positioning plates 7 are fixedly installed on the front and rear outer walls of the protective cover 6, a sealing strip 8 is movably installed between the two positioning plates 7, and mounting bolts 9 are movably installed inside the positioning plates 7, the sealing strip 8 is movably installed at the connection between the two protective covers 6, the two sealing strips 8 are respectively fitted with the front, rear, left and right outer walls of the protective cover 6, a through hole is opened inside the sealing strip 8, and the mounting bolts 9 are movably installed inside the through hole and are adapted in size.

[0027] The mounting structure includes two semi-annular rubber seats 11 movably mounted on the outer peripheral wall of the optical fiber outer protective tube 1 , the two semi-annular rubber seats 11 form an annular rubber sleeve, and two mounting fixed seats 10 form an mounting ring. The annular rubber sleeve is slidably connected to the outer peripheral wall of the optical fiber outer protective tube 1 .

[0028] The outer wall of the semi-annular rubber seat 11 is fixedly installed with a mounting seat 10, and the outer walls on the front and rear sides of the mounting seat 10 are fixedly installed with mounting seats 12. A connecting bolt 13 is movably installed inside the mounting seat 12. A clamping rod 14 is fixedly installed on the side of the mounting seat 12 close to the protective cover 6, and clamping seats 15 are fixedly installed on the outer walls on the left and right sides of the protective cover 6. A mounting plate 16 is fixedly installed on the bottom outer wall of the bottom mounting seat 10, and two screws 17 are movably installed inside the mounting plate 16. The clamping rod 14 and the screw 17 are installed in an offset manner. A clamping groove is opened inside the clamping seat 15, and the clamping rod 14 is slidably connected to the inside of the clamping groove and is adapted in size.

[0029] In this embodiment, the semi-annular rubber seat 11 can absorb the influence of the vibration of the dam part on the optical fiber outer protective tube 1 and reduce the influence of the vibration on the optical fiber inside the optical fiber outer protective tube 1 .

[0030] In this embodiment, the mounting plate 16 is mounted on the dam wall by screws 17 .

[0031] In this embodiment, the clamping rod 14 is clamped into the inside of the clamping seat 15 to fix the protective cover 6, which not only improves the installation stability of the protective cover 6, but also prevents the protective cover 6 from rotating after being vibrated.

[0032] Embodiment 2 is provided with a positioning ring 18 on the basis of embodiment 1, through which the mounting base 10 is fitted and positioned, making it easier to connect and fix the two mounting bases 10, and also facilitating the installation of the clamping rod 14 into the inside of the clamping base 15.

[0033] The working principle of the above embodiment is:

[0034] First, install the sealing ring 5 movably on the outer wall of the left connector 2, then move the right connector 2 to the left and slide it to the inner wall of the sealing ring 5. At this time, the sealing ring 5 is located at the connection between the two connectors 2 and cannot be moved due to the action of the limiting ring 4. Then, install the two protective covers 6 on the outer wall of the optical fiber outer protective tube 1, and then install the sealing strip 8 between two adjacent positioning plates 7. At this time, fix the sealing strip 8 by installing the bolts 9. At this time, install the mounting seat 10 and the semi-annular rubber seat 11 movably on the outer wall of the optical fiber outer protective tube 1, and then push the mounting seat 10 and the semi-annular rubber seat 11 to move toward the direction close to the protective cover 6. When the clamping rod 14 moves to the inside of the clamping seat 15, the connecting bolt 13 can be installed in the inside of the two mounting seats 12 to fix the mounting seat 10. Finally, fix the mounting plate 16 to the wall of the dam by the screws 17. At this time, the sealing protection work of the connector 2 is completed.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0036] 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 dam structure intelligent sensing optical fiber outer protective tube device, comprising an optical fiber outer protective tube (1), a connector (2) and a fixing bolt (3), characterized in that: The outer peripheral wall of the connector (2) is provided with a sealing structure, and the outer peripheral wall of the optical fiber outer protective tube (1) is provided with a mounting structure; The sealing structure comprises a limit ring (4) fixedly mounted on the outer peripheral wall of the connector (2), a sealing ring (5) movably mounted at the connection between the two connectors (2), two protective covers (6) movably mounted on the outer peripheral wall of the limit ring (4), positioning plates (7) fixedly mounted on the outer walls on both the front and rear sides of the protective covers (6), a sealing strip (8) movably mounted between the two positioning plates (7), and mounting bolts (9) movably mounted inside the positioning plates (7); The mounting structure comprises two semi-annular rubber seats (11) movably mounted on the outer peripheral wall of the optical fiber outer protective tube (1); a mounting seat (10) is fixedly mounted on the outer wall of the semi-annular rubber seat (11); mounting seats (12) are fixedly mounted on the front and rear outer walls of the mounting seat (10); connecting bolts (13) are movably mounted inside the mounting seat (12); a clamping rod (14) is fixedly mounted on one side of the mounting seat (12) close to the protective cover (6); and clamping seats (15) are fixedly mounted on the left and right outer walls of the protective cover (6).

2. The dam structure intelligent sensing optical fiber outer protective tube device according to claim 1 is characterized by: A mounting plate (16) is fixedly mounted on the bottom outer wall of the bottom mounting seat (10), and two screws (17) are movably mounted inside the mounting plate (16).

3. The dam structure intelligent sensing optical fiber outer protective tube device according to claim 1 is characterized by: The sealing ring (5) is movably mounted between the two limiting rings (4); the diameter of the sealing ring (5) is the same as the diameter of the limiting ring (4); the outer peripheral wall of the sealing ring (5) and the outer peripheral wall of the limiting ring (4) are both fitted inside the protective cover (6); and the protective cover (6) is movably mounted on the outer peripheral wall of the optical fiber outer protective tube (1).

4. The dam structure intelligent sensing optical fiber outer protective tube device according to claim 1 is characterized by: The sealing strip (8) is movably mounted at the connection between the two protective covers (6), and the two sealing strips (8) are respectively fitted with the outer walls of the front, rear, left and right sides of the protective cover (6). A through hole is provided inside the sealing strip (8), and the mounting bolt (9) is movably mounted inside the through hole and has a size that matches the through hole.

5. The dam structure intelligent sensing optical fiber outer protective tube device according to claim 1 is characterized by: The two semi-annular rubber seats (11) form an annular rubber sleeve, the two mounting and fixing seats (10) form an installation ring, and the annular rubber sleeve is slidably connected to the outer peripheral wall of the optical fiber outer protective tube (1).

6. The dam structure intelligent sensing optical fiber outer protective tube device according to claim 2 is characterized by: The clamping rod (14) and the screw (17) are installed in a staggered manner; a clamping slot is provided inside the clamping seat (15); the clamping rod (14) is slidably connected inside the clamping slot and has a matching size.

7. The dam structure intelligent sensing optical fiber outer protective tube device according to claim 1 is characterized by: The number of the connectors (2) is two, the number of the optical fiber outer protective tubes (1) is two, the two connectors (2) are respectively fixedly mounted on the outer walls of the two optical fiber outer protective tubes (1) on opposite sides, and the fixing bolts (3) are movably mounted inside the connectors (2) and are four in number.

8. The dam structure intelligent sensing optical fiber outer protective tube device according to claim 1 is characterized by: A positioning ring (18) is fixedly mounted on the outer peripheral wall of the optical fiber outer protective tube (1).

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