CN115561869A - Traction joint protection device for laying pipeline optical cable - Google Patents
Traction joint protection device for laying pipeline optical cable Download PDFInfo
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- CN115561869A CN115561869A CN202211385154.8A CN202211385154A CN115561869A CN 115561869 A CN115561869 A CN 115561869A CN 202211385154 A CN202211385154 A CN 202211385154A CN 115561869 A CN115561869 A CN 115561869A
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- Prior art keywords
- optical cable
- conical surface
- surface hole
- tooth
- tooth cover
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model provides a traction joint protection device is put to optical cable cloth of pipeline, includes outer tooth cover and interior tooth cover, the inside of outer tooth cover is equipped with the first conical surface hole of both ends open-ended, interior tooth cover passes through threaded connection in the first conical surface hole, interior tooth cover from the top down includes tooth lamella portion, connecting portion and cusp portion in proper order, tooth lamella portion includes a plurality of tooth lamellas around circumference evenly distributed by the breach is separated. The protective device for the laying traction joint of the pipeline optical cable tightly bites the sheath of the optical cable by utilizing the tooth flaps, and transmits force to the device when the cable lead device pulls the optical cable, so that the reinforced core and the sheath are synchronously stressed, and the stripping or the separation of the fiber core and the reinforced core of the optical cable in the traction process can be effectively prevented.
Description
Technical Field
The invention belongs to the technical field of optical cable arrangement devices, and particularly relates to a traction joint protection device for pipeline optical cable arrangement.
Background
The optical cable is laid through a pipeline, which is a common method for laying the optical cable. The optical cable is provided with a reinforced core, a fiber core and a sheath in sequence from inside to outside, the reinforced core is positioned in the center of the optical cable, the fiber cores are uniformly distributed around the reinforced core, and the sheath is tightly sleeved outside the fiber cores to play a role in protection. In the prior art, when an optical cable is laid in a pipeline, a cable lead device and a reinforced core of the optical cable need to be bound and connected together, and the optical cable is pulled in the pipeline by the cable lead device. In the process of traction, the fiber core of the optical cable is easily stripped or separated from the reinforced core, and the fiber core is damaged. Especially, when the optical cable is laid in an old pipeline, the problem that the old pipeline is not smooth is easy to cause. Therefore, there is a need for a cable routing and tension joint protection device for a conduit.
Disclosure of Invention
The invention aims to provide a traction joint protection device for laying a pipeline optical cable, which solves the problems in the background technology.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a pipeline optical cable is laid and is drawn joint protection device, includes outer tooth cover and interior tooth cover, the inside of outer tooth cover is equipped with the first taper hole of both ends open-ended, interior tooth cover passes through threaded connection in the first taper hole, interior tooth cover from the top down includes tooth lamella portion, connecting portion and beak portion in proper order, tooth lamella portion includes a plurality of tooth lamella around circumference evenly distributed by the breach, the inside of tooth lamella portion and connecting portion is equipped with second taper hole, the inside of beak portion is equipped with the third taper hole coaxial with second taper hole, second taper hole and third taper hole make interior tooth cover be both ends open-ended tubular structure, when drawing close together under the effect of tooth cover including the tooth lamella each other, second taper hole minimum department diameter is less than the diameter of cable, the contained angle between lateral wall and the second taper hole of third taper hole is greater than the contained angle between second taper hole and the axis, the inner wall of tooth lamella portion is equipped with the stinging tooth in the second taper hole.
On the basis of the above scheme and as a preferable scheme of the scheme, the length of the inner gear sleeve is larger than that of the outer gear sleeve.
In addition to the above, a preferable embodiment of the above is that the length of the outer jacket gear is longer than the length of the tooth petal portion.
In addition to and as a preferable mode of the above mode, the length of the inner gear sleeve is 20 cm, the length of the tooth petal portion is 12 cm, and the length of the outer gear sleeve is 15 cm.
On the basis of the above scheme and as a preferable scheme of the above scheme, the diameter of the opening of the third conical hole is larger than the diameter of the reinforcing core, and the diameter of the opening of the third conical hole is smaller than the diameter of the circumference surrounded by the fiber cores.
In addition to the above, and as a preferable mode of the above, the external shape of the external gear sleeve is a circular truncated cone shape.
On the basis of the above-mentioned solution and as a preferable solution of the above-mentioned solution, the notch is in an inverted triangle shape with a wide top and a narrow bottom.
On the basis of the above scheme and as a preferable scheme of the above scheme, the teeth are spirally distributed.
On the basis of and as a preferred version of the above, the number of the lobes is 4.
The invention has the following beneficial effects: the protective device for the laying traction joint of the pipeline optical cable tightly bites the sheath of the optical cable by utilizing the tooth flaps, and transmits force to the device when the cable lead device pulls the optical cable, so that the reinforced core and the sheath are synchronously stressed, the stripping or the separation of the fiber core and the reinforced core of the optical cable in the traction process can be effectively prevented, the structure is simple, and the operation is convenient; the diameter of the opening of the third conical hole is larger than that of the reinforcing core, and the diameter of the opening of the third conical hole is smaller than that of the circumference surrounded by the fiber cores, so that the reinforcing core can come out from the inside, and the fiber cores cannot come out from the inside, and the fiber cores are convenient to knot in the third conical hole, so that the tensile force of the reinforcing core is transmitted to the device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a structural schematic diagram of the outer gear sleeve.
Fig. 4 is a structural schematic diagram of the internal gear sleeve.
The reference numbers are as follows:
1. an outer gear sleeve; 11. a first conical surface hole; 2. an inner gear sleeve; 21. a tooth lobe portion; 211 a tooth lobe; 212. a notch; 22. a connecting portion; 23. a nib part; 24. a second conical surface hole; 25. a third conical surface hole; 26. and (4) biting the teeth.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, a traction joint protection device for laying a pipeline optical cable comprises an outer gear sleeve 1 and an inner gear sleeve 2, wherein a first conical hole 11 with two open ends is formed in the outer gear sleeve 1, the inner gear sleeve 2 is connected in the first conical hole 11 through a thread, the inner gear sleeve 2 sequentially comprises a tooth petal portion 21, a connecting portion 22 and a sharp mouth portion 23 from top to bottom, the tooth petal portion 21 comprises a plurality of tooth petals 211 which are separated by notches 212 and evenly distributed around the circumference, and specifically, the number of the tooth petals 211 is 4. The inside of lamella portion 21 and connecting portion 22 is equipped with second conical surface hole 24, the inside of beak portion 23 is equipped with the third conical surface hole 25 coaxial with second conical surface hole 24, second conical surface hole 24 and third conical surface hole 25 make interior facing 2 be both ends open-ended tubular structure, when the lamella 211 draws close each other under the effect of interior facing 2, the minimum department diameter of second conical surface hole 24 is less than the diameter of cable, the contained angle between the lateral wall of third conical surface hole 25 and the axis is greater than the contained angle between second conical surface hole 24 and the axis, the inner wall of lamella portion 21 is equipped with stings tooth 26 in the second conical surface hole 24.
When the cable pulling device is used, the optical cable penetrates into the second conical surface hole, the reinforcing core penetrates out of the third conical surface hole, the inner tooth sleeve is tightly held by one hand, the outer tooth sleeve is rotated by the other hand until the sheath of the optical cable is tightly gripped by the gripping teeth, finally, the cable pulling device is bound and connected with the penetrated reinforcing core, and the optical cable is pulled in the pipeline by the cable pulling device. The protective device for the laying traction joint of the pipeline optical cable tightly bites the sheath of the optical cable by utilizing the tooth flaps, and when the cable lead device pulls the optical cable, the force is transmitted to the device, so that the reinforcement core and the sheath are synchronously stressed, the stripping or the separation of the fiber core and the reinforcement core of the optical cable in the traction process can be effectively prevented, the structure is simple, and the operation is convenient.
The length of the inner gear sleeve 2 is larger than that of the outer gear sleeve 1, so that the inner gear sleeve can be held by hands to rotate the outer gear sleeve, or the outer gear sleeve can be held by hands to rotate the inner gear sleeve. The length of the outer gear sleeve 1 is larger than that of the tooth section 21, so that the outer gear sleeve can completely cover the notch when not in use, and foreign matters can be prevented from entering the notch. Specifically, the length of the inner gear sleeve 2 is 20 cm, the length of the tooth petal part 21 is 12 cm, and the length of the outer gear sleeve 1 is 15 cm.
The diameter of the opening of the third conical hole 25 is larger than that of the reinforcing core, and the diameter of the opening of the third conical hole 25 is smaller than that of the circumference surrounded by the fiber cores, so that the reinforcing core can come out from the inside, the fiber cores cannot come out from the inside, the fiber cores are convenient to knot in the third conical hole, and the tensile force of the reinforcing core is transmitted to the device.
The outer gear sleeve 1 is in a circular truncated cone shape, so that the wall thickness of the first tapered hole is uniform.
The notch 212 is in an inverted triangle shape with a wide upper part and a narrow lower part, so that the tooth flaps can be folded and tightly leaned.
The teeth 26 are arranged in a spiral shape to facilitate gripping the cable jacket.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a pipeline optical cable lays and pulls joint protection device which characterized in that: including outer tooth cover (1) and interior tooth cover (2), the inside of outer tooth cover (1) is equipped with both ends open-ended first conical surface hole (11), interior tooth cover (2) pass through threaded connection in first conical surface hole (11), interior tooth cover (2) from the top down includes lobe portion (21), connecting portion (22) and sharp mouth portion (23) in proper order, lobe portion (21) include around a plurality of lobes (211) of circumference evenly distributed by breach (212) separated, the inside of lobe portion (21) and connecting portion (22) is equipped with second conical surface hole (24), the inside of sharp mouth portion (23) is equipped with third conical surface hole (25) coaxial with second conical surface hole (24), second conical surface hole (24) and third conical surface hole (25) make interior tooth cover (2) be both ends open-ended tubular structure, when the effect of tooth cover (2) including lobe (211) is under draw close to each other, hole (24) are located the minimum the diameter of holding together and are greater than between the second conical surface hole (24) the contained angle (24), the contained angle (26) of the diameter of second conical surface hole (24) is greater than between the second conical surface hole (24) and the contained angle (24).
2. The arrangement for laying a traction sub for a pipeline optical cable as claimed in claim 1, wherein: the length of the inner gear sleeve (2) is larger than that of the outer gear sleeve (1).
3. The arrangement for laying a traction sub for a pipeline optical cable as claimed in claim 2, wherein: the length of the outer gear sleeve (1) is greater than that of the tooth petal part (21).
4. The arrangement for laying a traction sub for a pipeline optical cable according to claim 3, wherein: the length of the inner gear sleeve (2) is 20 cm, the length of the tooth section (21) is 12 cm, and the length of the outer gear sleeve (1) is 15 cm.
5. The arrangement for laying a traction sub for a pipeline optical cable as claimed in claim 1, wherein: the diameter of the opening of the third conical surface hole (25) is larger than that of the reinforcing core, and the diameter of the opening of the third conical surface hole (25) is smaller than that of the circumference surrounded by the fiber cores.
6. The arrangement for laying a traction sub for a pipeline optical cable as claimed in claim 1, wherein: the outer gear sleeve (1) is in a circular truncated cone shape.
7. The cable routing and pulling joint protection device of claim 1, wherein: the notch (212) is in an inverted triangle shape with a wide upper part and a narrow lower part.
8. The cable routing and pulling joint protection device of claim 1, wherein: the teeth (26) are distributed spirally.
9. The cable routing and pulling joint protection device of claim 1, wherein: the number of the tooth lobes (211) is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211385154.8A CN115561869A (en) | 2022-11-07 | 2022-11-07 | Traction joint protection device for laying pipeline optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211385154.8A CN115561869A (en) | 2022-11-07 | 2022-11-07 | Traction joint protection device for laying pipeline optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115561869A true CN115561869A (en) | 2023-01-03 |
Family
ID=84767828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211385154.8A Pending CN115561869A (en) | 2022-11-07 | 2022-11-07 | Traction joint protection device for laying pipeline optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115561869A (en) |
-
2022
- 2022-11-07 CN CN202211385154.8A patent/CN115561869A/en active Pending
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