Optical cable fastening device applied to severe environment

Abstract

The utility model discloses an optical cable fastening device applied to a severe environment, and relates to the technical field of sensing optical cables. The support comprises a top cover, a base plate of an L-shaped structure and a cover edge, the top cover comprises a circular ring part, an arc cover is integrally connected to the circumferential side face of the circular ring part, a supporting edge is integrally connected to the circumferential side face of the arc cover, a shaft body is arranged at the bottom of the supporting edge, and the top edge of the vertical edge part of the base plate is rotationally connected with the top cover through a supporting lug and the shaft body; a downward concave part is arranged on the transverse edge part of the seat plate, and a through groove is formed in the center of the downward concave part. According to the utility model, through cooperation of the top cover and the expansion bolt, installation and fastening of the support can be realized, 360-degree adjustment of the support is ensured, and through cooperation of the shaft body and the support lug, the angle of the support can be adjusted, so that the support is suitable for use on an uneven installation surface, the bottom end of the support is ensured to fall in a free state, and the fastening effect of an optical cable is ensured; and the pressure of the optical cable on the bracket is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of optical cable sensing technology, and in particular relates to an optical cable fastening device for use in harsh environments. Background Technology

[0002] For monitoring engineering projects such as mines, pipelines, tunnels, and bridges, sensing optical cables can be installed to monitor the environmental conditions of tunnels. However, in harsh construction environments, such as uneven installation surfaces or environments with pre-buried pipelines, it is not advisable to trench and bury the cable. If ordinary brackets and expansion bolts are used, the bolt holes may be tilted relative to the installation surface. After installation, the bracket will be tilted relative to the horizontal plane. After the optical cable is installed, the gravity is transferred to the tilted bracket, which will affect the stability of the bracket and the installation effect of the optical cable. This will lead to problems such as large fluctuations in optical cable strain monitoring data, high construction costs, and low construction efficiency. Summary of the Invention

[0003] The purpose of this utility model is to provide a fiber optic cable fastening device for use in harsh environments. The top cover and expansion bolts are used to fasten the bracket and ensure that the bracket can be adjusted 360 degrees. The bracket angle can be adjusted by the shaft and lugs, so that it can be used on uneven mounting surfaces. It ensures that the bottom of the bracket hangs freely, ensuring the fastening effect of the fiber optic cable and reducing the pressure of the fiber optic cable on the bracket.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] This utility model is a fiber optic cable fastening device for use in harsh environments, including a bracket and expansion bolts;

[0006] The bracket includes a top cover, an L-shaped base plate, and a cover edge;

[0007] The top cover includes a circular ring portion, an arc-shaped cover integrally connected to the peripheral side of the circular ring portion, a support edge integrally connected to the peripheral side of the arc-shaped cover, and a shaft provided at the bottom of the support edge;

[0008] The top edge of the vertical side of the seat plate is rotatably connected to the top cover through a lug and a shaft. The horizontal side of the seat plate is provided with a recessed part, and a through groove is provided at the center of the recessed part.

[0009] The cover edge is fixed to the top of the horizontal side of the base plate by a pin. The cover edge is provided with an upper recess that is opposite to the lower recess. The upper recess has a protrusion in the middle, and the protrusion is opposite to the through groove.

[0010] Furthermore, the expansion bolt is provided with an expansion sleeve section and a nut, and the annular portion is fitted onto the expansion bolt and located between the nut and the expansion sleeve section.

[0011] Furthermore, a gasket is provided between the annular portion and the expansion sleeve section, and an elastic washer is provided between the nut and the annular portion.

[0012] Furthermore, the cover edge is provided with a bent edge on the side near the vertical edge of the base plate, and an optical cable insertion port is formed between the bent edge and the base plate.

[0013] Furthermore, the connection point between the cover edge and the seat plate is located at the outer edge of the seat plate.

[0014] Furthermore, the protrusion is a square pyramidal structure or a hemispherical structure.

[0015] This utility model has the following beneficial effects:

[0016] This utility model uses the combination of the top cover and expansion bolts to install and secure the bracket, ensuring that the bracket can be adjusted 360 degrees. The angle of the bracket can be adjusted by the combination of the shaft and the lug, making it suitable for use on uneven installation surfaces. At the same time, in order to avoid situations such as pre-buried pipes, the expansion bolts can be installed at an angle. With the adjustable bracket, the bottom of the bracket can be ensured to hang freely, ensuring the fastening effect of the optical cable, while reducing the pressure of the optical cable on the bracket and improving the fastening effect of the optical cable.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an optical cable fastening device for use in harsh environments according to this utility model;

[0020] Figure 2 This is a cross-sectional view of the structure at the edge of the cover of this utility model;

[0021] Figure 3 This is a cross-sectional view of the structure at the location of the expansion bolt of this utility model;

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1-Bracket, 2-Expansion bolt, 101-Top cover, 102-Seat plate, 103-Cover edge, 104-Ring part, 105-Arc cover, 106-Support edge, 107-Shaft body, 108-Support lug, 109-Lower recess, 110-Through groove, 111-Pin, 112-Upper recess, 113-Protrusion, 114-Bent edge, 201-Expansion sleeve section, 202-Nut, 203-Washer, 204-Elastic washer. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-3 As shown, this utility model is a fiber optic cable fastening device for use in harsh environments, including a bracket 1 and an expansion bolt 2;

[0026] The bracket 1 includes a top cover 101, an L-shaped base plate 102, and a cover edge 103;

[0027] The top cover 101 includes a circular ring portion 104, an arc-shaped cover 105 is integrally connected to the circumferential side of the circular ring portion 104, a support edge 106 is integrally connected to the circumferential side of the arc-shaped cover 105, and a shaft 107 is provided at the bottom of the support edge 106.

[0028] The top edge of the vertical side of the seat plate 102 is rotatably connected to the top cover 101 through the lug 108 and the shaft 107. The horizontal side of the seat plate 102 is provided with a recess 109, and a through groove 110 is provided at the center of the recess 109.

[0029] The cover edge 103 is fixed to the top of the horizontal edge of the seat plate 102 by a pin 111. The cover edge 103 is provided with an upper recess 112 that is opposite to the lower recess 109. The upper recess 112 is provided with a protrusion 113 in the middle, and the protrusion 113 is opposite to the through groove 110.

[0030] Among them, such as Figure 3 As shown, the expansion bolt 2 is provided with an expansion sleeve section 201 and a nut 202, and the annular part 104 is fitted on the expansion bolt 2 and located between the nut 202 and the expansion sleeve section 201.

[0031] Among them, such as Figure 3 As shown, a gasket 203 is provided between the annular portion 104 and the expansion sleeve section 201, and an elastic washer 204 is provided between the nut 202 and the annular portion 104.

[0032] Among them, such as Figure 1-2 As shown, a bent edge 114 is provided on the side of the cover edge 103 near the vertical side of the base plate 102, and an optical cable insertion port is formed between the bent edge 114 and the base plate 102.

[0033] Among them, such as Figure 1-2 As shown, the connection point between the cover edge 103 and the seat plate 102 is located at the outer edge of the seat plate 102.

[0034] Among them, the protrusion 113 is a square pyramidal structure or a hemispherical structure.

[0035] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fiber optic cable fastening device for use in harsh environments, comprising a bracket (1) and expansion bolts (2), characterized in that: The bracket (1) includes a top cover (101), an L-shaped base plate (102), and a cover edge (103). The top cover (101) includes a circular ring (104), an arc cover (105) is integrally connected to the circumferential side of the circular ring (104), a support edge (106) is integrally connected to the circumferential side of the arc cover (105), and a shaft (107) is provided at the bottom of the support edge (106). The top edge of the vertical side of the seat plate (102) is rotatably connected to the top cover (101) through the lug (108) and the shaft (107). The horizontal side of the seat plate (102) is provided with a recess (109), and a through groove (110) is provided at the center of the recess (109). The cover edge (103) is fixed to the top of the horizontal side of the seat plate (102) by a pin (111). The cover edge (103) is provided with an upper recess (112) opposite to the lower recess (109). The upper recess (112) is provided with a protrusion (113) in the middle, and the protrusion (113) is opposite to the through groove (110).

2. The optical cable fastening device for harsh environments according to claim 1, characterized in that, The expansion bolt (2) is provided with an expansion sleeve section (201) and a nut (202), and the annular portion (104) is fitted on the expansion bolt (2) and located between the nut (202) and the expansion sleeve section (201).

3. The optical cable fastening device for harsh environments according to claim 2, characterized in that, A gasket (203) is provided between the annular portion (104) and the expansion sleeve section (201), and an elastic washer (204) is provided between the nut (202) and the annular portion (104).

4. The optical cable fastening device for harsh environments according to claim 1, characterized in that, The cover edge (103) is provided with a bent edge (114) on the side near the vertical side of the seat plate (102), and an optical cable insertion port is formed between the bent edge (114) and the seat plate (102).

5. The optical cable fastening device for harsh environments according to claim 1, characterized in that, The connection point between the cover edge (103) and the seat plate (102) is located at the outer edge of the seat plate (102).

6. The optical cable fastening device for harsh environments according to claim 1, characterized in that, The protrusion (113) is a square pyramidal structure or a hemispherical structure.

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