CN210005766U - guiding device for pulling inspection well optical cable - Google Patents
guiding device for pulling inspection well optical cable Download PDFInfo
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- CN210005766U CN210005766U CN201920711894.3U CN201920711894U CN210005766U CN 210005766 U CN210005766 U CN 210005766U CN 201920711894 U CN201920711894 U CN 201920711894U CN 210005766 U CN210005766 U CN 210005766U
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- optical cable
- supporting rod
- inspection well
- length direction
- guiding device
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Abstract
The utility model provides a be used for towed guiding device of inspection shaft optical cable, including the bracing piece, the end of bracing piece is offered and is used for the card to establish the draw-in groove of inspection shaft well head department, and end connection in addition of bracing piece is fixed with elastic rubber, and the both ends of bracing piece rotate respectively and be provided with the pulley to overcome the optical cable damage that current inspection shaft optical cable laid the in-process and exist, the easy disconnected core scheduling problem belongs to the optical cable field of laying.
Description
Technical Field
The utility model relates to a a be used for towed guiding device of inspection shaft optical cable belongs to the cable laying field.
Background
In the existing inspection well optical cable laying process, manual cable pulling is time-consuming and labor-consuming, when an optical cable tractor is adopted, the pulling force of the optical cable tractor is not easy to control, and the excessively small optical cable bending radius easily causes the communication loss of an optical cable fiber core to be increased, and even has the risk of core breaking.
Disclosure of Invention
The utility model provides a a be used for towed guider of inspection shaft optical cable to overcome the optical cable loss that current inspection shaft optical cable laid the in-process and exist, easy disconnected core scheduling problem.
In order to solve the problems, kinds of guiding devices for traction of the inspection well optical cable are adopted, and the guiding devices comprise supporting rods, wherein clamping grooves used for clamping the inspection well mouth are formed in the ends of the supporting rods, elastic rubber is fixedly connected to the other ends of the supporting rods, and rotatable pulleys are arranged at the two ends of the supporting rods respectively.
In the aforementioned guide device, the pulley radius is greater than the minimum bend radius of the optical cable, and the purpose of the pulley is: 1. the friction resistance is reduced; 2. the minimum bending radius is guaranteed during optical cable construction.
In the above-mentioned guiding device, the said neck is a right angle or obtuse angle groove opened on the lower side of the end of the supporting rod ;
in the guide device, the support rod is a telescopic rod so as to adapt to inspection wells of different sizes;
among the aforementioned guiding device, shown bracing piece comprises bracing piece and second bracing piece, and the guide way has been seted up along length direction to the end of bracing piece, the end of second bracing piece extends in the guide way along length direction, and the relative both sides of guide way have seted up the connecting hole along length direction distribution, also having seted up the connecting hole along length direction distribution on the second bracing piece, bracing piece and second bracing piece are through wearing to locate the quick detach screw fixed connection in the connecting hole on the two in proper order, and quick detach screw distributes along the length direction of guide way at least and sets up two to guarantee the joint strength of bracing piece and second bracing piece.
The using method comprises the following steps:
when the cable pulling device is used, the supporting rod is obliquely arranged in an inspection well, the end of the supporting rod with elastic rubber is arranged at the side wall below the threading pipe in the inspection well, the other end of the supporting rod is clamped at the well opening of the inspection well through the clamping groove, an optical cable led out of the threading pipe bypasses the lower side of the pulley at the lower end of the supporting rod and then bypasses the upper side of the pulley at the upper end of the supporting rod, the inspection well corresponding to the other end of the optical cable can also be provided with the supporting rod according to the structure, in addition, the end is coils of the optical cable, the total length is 3000 meters, cables are paid off at the other end, manual cable pulling or a cable tractor is adopted for optical cable pulling operation, through the use of the guiding device, the optical cable passes through the pulley for guiding the optical cable at the port of the threading pipe and the well opening of the inspection well, the stress during the optical cable construction is greatly reduced, the minimum bending radius of the optical cable is ensured, the damage risk of the optical cable is reduced, the supporting rod is preferably made of alloy steel such as lighter weight as alloy, the supporting rod is made of the alloy, the alloy steel such as the upward pulling force applied to the lower pulley to ensure that the optical cable is very balanced pulling force to ensure that the weight of the optical cable.
Compared with the prior art, guiding device's use for the optical cable all leads through the pulley when the port of through wires pipe and the well head department of inspection shaft, atress when having greatly reduced optical cable construction operation has ensured the minimum bend radius of optical cable, reduces and damages the risk, the tractive is convenient and fast more, and the application of force is littleer, to artifical tractive, can effectively alleviate constructor's intensity of labour, and to the tractor tractive, can alleviate the optical cable damage well, effectively avoid the increase of fibre core light decay, the emergence of disconnected core condition.
Drawings
Fig. 1 is a schematic sectional structure view of the utility model in use;
fig. 2 is a top view of the support rod.
Detailed Description
To further clarify the objects, technical solutions and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings of , and it should be understood that the embodiments described herein are only used for explaining the present invention and are not used for limiting the present invention.
Examples
Referring to fig. 1 and 2, the embodiment provides guiding devices for pulling an inspection well optical cable, which include a supporting rod 1, wherein a clamping groove 11 for clamping a well opening of the inspection well 1 is formed at the end of the supporting rod 1, the clamping groove 11 is a right-angle or obtuse-angle groove formed at the lower side of the 1 end of the supporting rod 1, an elastic rubber 2 is fixedly connected to the other end of the supporting rod 1, pulleys 3 are respectively rotatably arranged at two ends of the supporting rod 1, the radius of the pulleys 3 is greater than the minimum bending radius of the optical cable, the purpose of the pulleys is 1, friction resistance is reduced, and 2, the minimum bending radius of the optical cable during construction is ensured and should meet the relevant standard regulations that the bending radius of the optical cable should not be less than 15 times of the outer diameter of the optical.
When the inspection well tensile force testing device is used, the supporting rod 1 is obliquely arranged in the inspection well 4, the end of the supporting rod 1 with the elastic rubber 2 is propped against the side wall below the threading pipe 5 in the inspection well 4, the other end of the supporting rod 1 is clamped at the well mouth of the inspection well 4 through the clamping groove 11, the optical cable 6 led out from the threading pipe 5 bypasses the lower side of the pulley 3 at the lower end of the supporting rod 1 and then bypasses the upper side of the pulley 3 at the upper end of the supporting rod 1, the inspection wells 4 corresponding to the two ends of the optical cable 6 are provided with the supporting rod 1 according to the structure, manual cable pulling or an optical cable tractor can be adopted for optical cable traction operation, and through the use of the guiding device, the optical cable 6 is guided by the pulleys when passing through the port of the threading pipe 5 and the well mouth of the inspection well 4, so that the abrasion of the optical cable 6 is greatly reduced, the supporting rod 1 is preferably made of aluminum-magnesium alloy, titanium alloy, alloy steel alloy and other materials with lighter weight such as ;
the supporting rod 1 is a telescopic rod and is suitable for inspection wells 4 of different sizes, and specifically, the supporting rod 1 is composed of a th supporting rod 12 and a second supporting rod 13, a end of the th supporting rod 12 is provided with a guide groove 14 along the length direction, a end of the second supporting rod 13 extends into the guide groove 14 along the length direction, two opposite sides of the guide groove 14 are provided with connecting holes 15 along the length direction, the second supporting rod 13 is also provided with the connecting holes 15 along the length direction, the th supporting rod 12 and the second supporting rod 13 are fixedly connected through quick-release screws 7 sequentially penetrating through the connecting holes 15 on the 38th supporting rod and the second supporting rod, the quick-release screws 7 are at least two in distribution along the length direction of the guide groove 14, so that the th supporting rod 12 and the second supporting rod 13 are coaxially arranged as much as possible.
The structure of the support rod 1 can be replaced by other telescopic rod structures, such as the telescopic rod structure of the telescopic clothes supporting rod, the telescopic rod structure of the telescopic alpenstock, the quick-release high-pressure water gun or the telescopic rod structure of the length-adjustable screwdriver, and the like.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
- The guide device for the traction of the inspection well optical cable is characterized by comprising a support rod (1), wherein a clamp groove (11) used for clamping the well mouth of the inspection well (4) is formed in the end of the support rod (1), elastic rubber (2) is fixedly connected to the other end of the support rod (1), and pulleys (3) are rotatably arranged at two ends of the support rod (1) respectively.
- 2. A guide device for the traction of inspection well cables, according to the claim 1, characterized in that the radius of the pulley (3) is larger than the minimum bending radius of the cable.
- 3. A guide device for drawing inspection well optical cables, according to claim 1, wherein the slot (11) is a right or obtuse slot opened on the underside of the support rod (1) .
- 4. A guiding device for inspection well optical cable traction, according to claim 1, characterized in that the supporting rod (1) is a telescopic rod.
- 5. guiding device for inspection well optical cable traction according to claim 4, wherein the supporting rod (1) is composed of a supporting rod (12) and a second supporting rod (13), a guide groove (14) is formed in the end of the supporting rod (12) along the length direction, the end of the second supporting rod (13) extends into the guide groove (14) along the length direction, connecting holes (15) are formed in the two opposite sides of the guide groove (14) along the length direction, connecting holes (15) are formed in the second supporting rod (13) along the length direction, the guiding device further comprises quick release screws (7), the supporting rod (12) and the second supporting rod (13) are fixedly connected through the quick release screws (7) sequentially penetrating through the connecting holes (15) in the two supporting rods, and at least two quick release screws (7) are distributed along the length direction of the guide groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920711894.3U CN210005766U (en) | 2019-05-17 | 2019-05-17 | guiding device for pulling inspection well optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920711894.3U CN210005766U (en) | 2019-05-17 | 2019-05-17 | guiding device for pulling inspection well optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210005766U true CN210005766U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920711894.3U Active CN210005766U (en) | 2019-05-17 | 2019-05-17 | guiding device for pulling inspection well optical cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN210005766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007417A (en) * | 2019-05-17 | 2019-07-12 | 贵州航天智慧农业有限公司 | A kind of guide device and its application method for the traction of inspection shaft optical cable |
-
2019
- 2019-05-17 CN CN201920711894.3U patent/CN210005766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007417A (en) * | 2019-05-17 | 2019-07-12 | 贵州航天智慧农业有限公司 | A kind of guide device and its application method for the traction of inspection shaft optical cable |
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