Optical cable installation limiting structure for tunnel

Abstract

The utility model discloses an optical cable installation limiting structure for a tunnel, which comprises a supporting main body, the supporting main body is square, and the top of one side of the supporting main body is provided with a clamping bulge; the position, far away from the supporting main body, of the limiting protrusion is provided with a first hinge end; a closing part; and a mounting part. According to the embodiment of the utility model, the supporting main body is integrally mounted on the tunnel wall channel through the mounting part, then the optical cable is loaded and placed in the arc shape of the limiting bulge, and then the sealing part is used for sealing the arc-shaped notch of the limiting bulge, so that the optical cable is completely attached and limited in the limiting bulge; and the bearing and limiting effects on the optical cable are ensured. And meanwhile, the closed limiting section of the closed part is clamped and fixed by using the clamping bulge, so that the bearing and limiting effects on the optical cable are further enhanced. The defect that in the prior art, the bearing and limiting effects on optical cable erection are not good is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cable installation, in particular to an optical cable installation limiting structure for tunnels. Background Art

[0002] In rail transit communication systems, optical cables are integrated transmission media that organically combine optical fiber units with metal conductors. Optical cables between communication sections carry a large amount of wired communication transmission services. In addition to ensuring normal power transmission and meeting the temperature and tension requirements of general power cables, the metal conductor part can also provide reliable mechanical support for the optical fiber due to its sufficient mechanical strength, effectively overcoming the brittleness of the optical fiber and the increased microbending loss, and withstand the external forces suffered during installation and use, ensuring its stability and reliability, and meeting the changes in climate and environment when working in the field.

[0003] Currently, the laying method for optical cables is still to use wall-mounted installation, but this method cannot guarantee the load-bearing and limiting effect of the optical cables, and it is easy for the optical cables to fall out of the installation area. Utility Model Content

[0004] The utility model aims to solve the shortcoming of poor bearing and limiting effect on the installation of optical cables in the prior art, and proposes a tunnel optical cable installation and limiting structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tunnel optical cable installation limiting structure, comprising:

[0007] A supporting body, the supporting body is square, and a clamping protrusion is provided on the top of one side of the supporting body;

[0008] A limiting protrusion, the limiting protrusion is in an arc shape, the limiting protrusion is arranged on one side of the supporting body, and the limiting protrusion is located at the bottom of the clamping protrusion,

[0009] Wherein, the limiting protrusion is provided with a first hinge end away from the supporting body;

[0010] A closing portion, the closing portion is arranged on one side of the limiting protrusion, one end of the closing portion is hingedly connected to the first hinged end of the limiting protrusion, and the other end of the closing portion is clampedly connected to the clamping protrusion, and the closing portion is used to close the arc-shaped opening side of the limiting protrusion;

[0011] The mounting part is disposed through the supporting body and is detachably connected to the supporting body.

[0012] In some optional embodiments, the sealing portion includes:

[0013] A closure member, wherein one end of the closure member is provided with a second hinged end, and the second hinged end is connected to the first hinged end;

[0014] A connecting member, the connecting member passes through the second hinged end and the first hinged end, and the first hinged end and the second hinged end are hingedly connected through the connecting member;

[0015] A plurality of engaging teeth are provided on the outer side of the other end of the closure member, and the engaging teeth are engaged with the engaging protrusion.

[0016] In some optional embodiments, one side of the engaging protrusion is in a barb shape, and the engaging tooth is engaged with the barb of the engaging protrusion.

[0017] In some optional embodiments, the sealing portion further comprises:

[0018] A strip hole, the strip hole being arranged on the arc-shaped outer side of the closure member;

[0019] The limiting protrusion also includes:

[0020] A locking groove, the locking groove is arranged on the limiting protrusion, and the opening direction of the locking groove is consistent with the hinge direction of the closure member;

[0021] Two locking sleeves, the two locking sleeves are arranged on the limiting protrusions, and the two locking sleeves are located on both sides of the locking groove;

[0022] Wherein, the strip-shaped hole is clamped in the locking groove, and the two locking sleeves and the strip-shaped hole are coaxially connected;

[0023] A locking piece, wherein the locking piece passes through the locking sleeve and the strip hole in sequence.

[0024] In some optional embodiments, the closing piece is in an arc shape.

[0025] In some optional embodiments, the mounting portion includes:

[0026] A connecting bolt, one end of which penetrates through the other side of the supporting body, and the connecting bolt is located on a side away from the closing member;

[0027] A locking nut is arranged at the other end of the connecting bolt, the locking nut is threadably connected to the connecting bolt, and the supporting body is detachably connected to the connecting bolt via the locking nut.

[0028] In some optional embodiments, the supporting body, the clamping block, the limiting protrusion, the closing portion and the clamping protrusion are all made of elastic material.

[0029] In some optional embodiments, the elastic material is nylon.

[0030] In some optional embodiments, the closure member, the engaging teeth and the strip-shaped hole are all integrally formed structures.

[0031] The beneficial effects of the utility model are:

[0032] In the embodiment of the utility model, the supporting body is integrally installed on the tunnel wall through the mounting part, and then the optical cable is placed in the arc shape of the limiting protrusion, and then the arc-shaped gap of the limiting protrusion is closed by the closing part, so that the optical cable is completely fitted and limited in the limiting protrusion, ensuring the bearing and limiting effect of the optical cable. At the same time, the closed limiting interval of the closing part is clamped and fixed by the clamping protrusion, further strengthening the bearing and limiting effect of the optical cable. That is, it effectively solves the shortcomings of the prior art that the bearing and limiting effect of the optical cable installation is not good. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 A schematic diagram of a tunnel optical cable installation limit structure provided in an embodiment of the utility model;

[0034] Figure 2 The utility model is provided in an embodiment of an explosion diagram of a tunnel optical cable installation limiting structure.

[0035] The markings in the figure are as follows:

[0036] 1. Support body; 11. Clamping block; 12. Clamping groove; 13. Limiting protrusion; 131. First hinge end; 132. Connecting piece; 14. Clamping protrusion; 141. Locking groove; 142. Locking sleeve;

[0037] 2. Closing portion; 21. Closing piece; 211. Second hinged end; 212. Engaging teeth; 213. Strip-shaped hole;

[0038] 3. Mounting part; 31. Connecting bolt; 32. Locking nut. DETAILED DESCRIPTION

[0039] 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 of 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.

[0040] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0041] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0043] Example

[0044] Reference Figure 1 to Figure 2In order to solve the shortcomings of the prior art in the load-bearing and limiting effect of the optical cable installation, the utility model provides a tunnel optical cable installation and limiting structure, which includes: a support body 1, a limiting protrusion 13, a closing portion 2 and a mounting portion 3. The support body 1 is square, and a clamping protrusion 14 is provided on the top of one side of the support body 1. The limiting protrusion 13 is arc-shaped, and the limiting protrusion 13 is provided on one side of the support body 1, and the limiting protrusion 13 is located at the bottom of the clamping protrusion 14. The limiting protrusion 13 is used to load and place the optical cable using the arc shape, and the limiting protrusion 13 is provided with a first hinged end 131 away from the support body 1. The closing part 2 is arranged on one side of the limiting protrusion 13, one end of the closing part 2 is hingedly connected to the first hinge end 131 of the limiting protrusion 13, and the other end of the closing part 2 is connected to the clamping protrusion 14 by clamping, and the closing part 2 is used to close the arc-shaped opening side of the limiting protrusion 13, and the clamping protrusion 14 is used to limit and fix the closing range of the closing part 2. The mounting part 3 is arranged on the supporting body 1, and the mounting part 3 is detachably connected to the supporting body 1, and the mounting part 3 is used to install the supporting body 1 on the tunnel wall. In this embodiment, the supporting body 1 is integrally installed on the tunnel wall through the mounting part 3, and then the optical cable is placed in the arc shape of the limiting protrusion 13, and then the arc-shaped gap of the limiting protrusion 13 is closed by the closing part 2, so that the optical cable is completely fitted and limited in the limiting protrusion 13, so as to ensure the bearing and limiting effect of the optical cable. At the same time, the closed limiting interval of the closed part 2 is clamped and fixed by the clamping protrusion 14, so as to further enhance the bearing and limiting effect of the optical cable, that is, effectively solving the disadvantage of poor bearing and limiting effect of the optical cable installation in the prior art.

[0045] In this embodiment, in order to ensure the limiting clamping effect of the clamping protrusion 14 on the closing part 2, one side of the clamping protrusion 14 is in the shape of a barb, and the clamping protrusion 14 is arranged on the supporting body 1, and the clamping protrusion 14 is located above the limiting protrusion 13. The barb shape of the clamping protrusion 14 is clamped with the closing part 2, so as to clamp and limit the closing part 2 away from the end hinged to the limiting protrusion 13. Specifically, the closing part 2 includes: a closing member 21, a connecting member 132 and a plurality of clamping teeth 212. A second hinged end 211 is arranged at one end of the closing member 21, and the second hinged end 211 is connected to the first hinged end 131. The connecting member 132 passes through the second hinged end 211 and the first hinged end 131, and the first hinged end 131 and the second hinged end 211 are hingedly connected through the connecting member 132. The plurality of engaging teeth 212 are all arranged on the outer side of the other end of the closure member 21 , and the engaging teeth 212 are engaged with the barb-shaped portion of the engaging protrusion 14 , so as to achieve the overall closure of the limiting protrusion 13 by utilizing the closure member 21 , and then achieve the overall limitation of the optical cable within the limiting protrusion 13 .

[0046] Reference Figure 2 In this embodiment, in order to further enhance the limiting locking effect of the closure 21 on the optical cable, the closure 21 is further provided with a strip hole 213, and the strip hole 213 is arranged on the arc-shaped outer side of the closure 21. The limiting protrusion 13 is further provided with a locking groove 141, two locking sleeves 142 and a locking member (not shown in the figure). The locking groove 141 is arranged on the limiting protrusion 13, and the opening direction of the locking groove 141 is consistent with the hinge direction of the closure 21. Two locking sleeves 142 are arranged on the limiting protrusion 13, and the two locking sleeves 142 are located on both sides of the locking groove 141. Among them, the strip hole 213 is clamped in the locking groove 141, and the two locking sleeves 142 and the strip hole 213 are coaxially connected. The locking member sequentially passes through the locking sleeve 142 and the strip hole 213 to lock the strip hole 213 in the locking groove 141 with the two locking sleeves 142. That is, after the engaging teeth 212 on the closing member 21 are engaged with the engaging protrusion 14, the locking member is sequentially passed through the strip hole 213 and the other locking sleeve 142 from one locking sleeve 142 to connect the closing member 21 with the engaging protrusion 14 as a whole, so as to achieve the overall limiting locking effect of the optical cable.

[0047] In this embodiment, in order to ensure the fit between the closing part 2 and the limiting protrusion 13 to the optical cable, the closing part 2 is also in an arc shape, and the closing part 2 and the limiting protrusion 13 form a complete circular sleeve structure that can be opened and closed. This is to achieve the fit to the optical cable load-bearing installation. That is, in this embodiment, the closing member 21 is in an arc shape.

[0048] Reference Figure 1 and Figure 2 , the mounting portion 3 is used to fix the supporting body 1 as a whole to the inner wall of the tunnel. Specifically, the mounting portion 3 includes: a connecting bolt 31 and a locking nut 32. One end of the connecting bolt 31 is arranged through the other side of the supporting body 1, and the connecting bolt 31 is located on the side away from the closure member 21. The locking nut 32 is arranged at the other end of the connecting bolt 31, and the locking nut 32 is threadedly connected to the connecting bolt 31. The supporting body 1 and the connecting bolt 31 are detachably connected through the locking nut 32. In this embodiment, in order to facilitate the installation and locking of the mounting portion 3. A mounting hole (not shown in the figure) is also provided on the supporting body 1, and the locking nut 32 is threadedly connected to the connecting bolt 31 in the mounting hole. In order to ensure the stable connection between the connecting bolt 31 and the inner wall of the tunnel, preferably, the connecting bolt 31 is an expansion bolt.

[0049] In this embodiment, in order to ensure the installation limiting effect of the fixture as a whole on the optical cable, the support body 1, the clamping block 11, the limiting protrusion 13, the closing portion 2 and the clamping protrusion 14 are all made of elastic material. Preferably, the elastic material is nylon.

[0050] In some embodiments, in order to ensure the working strength of the closing portion 2 and facilitate processing, the closing portion 2 is an integrally formed structure, that is, the closing piece 21, the engaging teeth 212 and the strip-shaped hole 213 are all integrally formed structures.

[0051] In this embodiment, in order to facilitate the simultaneous installation of multiple optical cables, the support body 1 is provided with multiple support bodies 1, and the multiple support bodies 1 are detachably connected up and down. Specifically, a clamping block 11 is provided on the top of the support body 1, and a clamping groove 12 is provided at the bottom of the support body 1. Every two adjacent support bodies 1 are detachably connected by clamping the clamping block 11 in the clamping groove 12. In this embodiment, in order to ensure the stability of the clamping between each support body 1, a first groove (not marked in the figure) is provided at the top of the support body 1, and two clamping blocks 11 are provided in the first groove. The clamping block 11 is T-shaped, and the two clamping blocks 11 are arranged in parallel in the first groove. Two clamping grooves 12 are provided at the bottom of the support body 1, and the two clamping blocks 11 are respectively clamped in the two clamping grooves 12, so that the adjacent support bodies 1 can be clamped and connected by the two clamping blocks 11 being clamped in the clamping grooves 12.

[0052] In some embodiments, in order to achieve limited suspension of optical cables with different diameters, the arc size of the limited protrusion 13 on the support body 1 can be adjusted according to actual requirements, and correspondingly, the arc size of the closing portion 2 is also adjusted accordingly.

[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tunnel optical cable installation limiting structure, characterized in that: include: A supporting body, the supporting body is square, and a clamping protrusion is provided on the top of one side of the supporting body; A limiting protrusion, the limiting protrusion is in an arc shape, the limiting protrusion is arranged on one side of the supporting body, and the limiting protrusion is located at the bottom of the clamping protrusion, Wherein, the limiting protrusion is provided with a first hinge end away from the supporting body; A closing portion, the closing portion is arranged on one side of the limiting protrusion, one end of the closing portion is hingedly connected to the first hinged end of the limiting protrusion, and the other end of the closing portion is clampedly connected to the clamping protrusion, and the closing portion is used to close the arc-shaped opening side of the limiting protrusion; The mounting part is disposed through the supporting body and is detachably connected to the supporting body.

2. The tunnel optical cable installation limiting structure according to claim 1 is characterized in that: The closing portion comprises: A closure member, wherein one end of the closure member is provided with a second hinged end, and the second hinged end is connected to the first hinged end; A connecting member, the connecting member passes through the second hinged end and the first hinged end, and the first hinged end and the second hinged end are hingedly connected through the connecting member; A plurality of engaging teeth are provided on the outer side of the other end of the closure member, and the engaging teeth are engaged with the engaging protrusion.

3. The tunnel optical cable installation limiting structure according to claim 2 is characterized in that: One side of the clamping protrusion is in the shape of a barb, and the clamping tooth is clamped at the barb of the clamping protrusion.

4. The tunnel optical cable installation limiting structure according to claim 3 is characterized in that: The closure portion further comprises: A strip hole, the strip hole being arranged on the arc-shaped outer side of the closure member; The limiting protrusion also includes: A locking groove, the locking groove is arranged on the limiting protrusion, and the opening direction of the locking groove is consistent with the hinge direction of the closure member; Two locking sleeves, the two locking sleeves are arranged on the limiting protrusions, and the two locking sleeves are located on both sides of the locking groove; Wherein, the strip-shaped hole is clamped in the locking groove, and the two locking sleeves and the strip-shaped hole are coaxially connected; A locking piece, wherein the locking piece passes through the locking sleeve and the strip hole in sequence.

5. A tunnel optical cable installation limiting structure according to any one of claims 2 to 4, characterized in that: The closing piece is in an arc shape.

6. The tunnel optical cable installation limiting structure according to claim 5 is characterized in that: The installation part comprises: A connecting bolt, one end of which penetrates through the other side of the supporting body, and the connecting bolt is located on a side away from the closing member; A locking nut is arranged at the other end of the connecting bolt, the locking nut is threadably connected to the connecting bolt, and the supporting body is detachably connected to the connecting bolt via the locking nut.

7. The tunnel optical cable installation limiting structure according to claim 6 is characterized in that: The supporting body, the clamping block, the limiting protrusion, the closing portion and the clamping protrusion are all made of elastic material.

8. The tunnel optical cable installation limiting structure according to claim 7 is characterized in that: The elastic material is nylon.

9. The tunnel optical cable installation limiting structure according to claim 5, characterized in that: The closure piece, the engaging teeth and the strip-shaped hole are all integrally formed structures.

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