CN111736282B - Optical cable cabling and yarn binding method, optical cable cabling method, optical cable and communication equipment - Google Patents
Optical cable cabling and yarn binding method, optical cable cabling method, optical cable and communication equipment Download PDFInfo
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- CN111736282B CN111736282B CN202010697712.9A CN202010697712A CN111736282B CN 111736282 B CN111736282 B CN 111736282B CN 202010697712 A CN202010697712 A CN 202010697712A CN 111736282 B CN111736282 B CN 111736282B
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- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
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Abstract
The invention provides an optical cable cabling and yarn binding method, an optical cable cabling method, an optical cable and communication equipment, and relates to the technical field of optical cable manufacturing. According to the optical cable stranding and yarn binding method, the two double-end binding yarns are adopted to carry out forward and reverse wrapping on the cable core, the running speed of the yarn binding equipment can be effectively reduced, the stability of yarn binding tension is improved, the occurrence of yarn interruption in production is reduced, the fault rate of the yarn binding equipment is reduced, meanwhile, the cabling production efficiency is obviously improved, and the technical defects that the operation speed of the yarn binding equipment is high, yarn binding tension fluctuation is large, yarn breakage and yarn binding equipment damage easily occur when the single-end binding yarns are adopted to wrap the cable core in the prior art are overcome. The optical cable cabling method provided by the invention comprises the optical cable cabling and yarn binding method. In view of the advantages of the optical cable cabling and yarn binding method, the optical cable cabling method also has the same advantages, and meanwhile, the production efficiency of the whole optical cable cabling is greatly improved.
Description
Technical Field
The invention relates to the technical field of optical cable manufacturing, in particular to an optical cable cabling and yarn binding method, an optical cable cabling method, an optical cable and communication equipment.
Background
The optical cable is a high-tech product, and in the process of cabling the optical cable, the yarn binding procedure is one of important procedures, which is directly related to the quality of the optical cable.
According to the traditional optical cable cabling production manufacturing process, two single-end binding yarns are adopted for cross wrapping on the outer surface of a cable core, so that the optical cable is compact in structure, an effective optical cable stranding pitch is obtained, the mechanical performance of the optical cable is stable, the binding pitch of the binding yarn wrapping in production has obvious influence on the optical cable pitch, the binding pitch of the existing optical cable is 20-30mm according to different model structures, the production speed is up to 80m/min, the operation speed (the ratio of the production speed to the binding pitch) of a binding device is up to 3200r/min according to the calculation of the average 25mm binding pitch. The yarn binding tension fluctuation is large due to high-speed operation, yarn breakage conditions are more in production, and the damage rate of yarn binding machine equipment is high.
In order to reduce the influence of the fluctuation of the yarn binding tension on the product quality, the production speed of yarn binding machine equipment needs to be reduced, and meanwhile, the damage rate of the yarn binding machine equipment needs to be reduced, and the cable forming process needs to be improved.
In view of the above, the present invention is particularly proposed to solve at least one of the above technical problems.
Disclosure of Invention
The invention aims to provide an optical cable cabling and yarn binding method, which can effectively reduce the running speed of yarn binding equipment, improve the stability of yarn binding tension, reduce the occurrence of yarn interruption in production, reduce the failure rate of the yarn binding equipment and obviously improve the cabling production efficiency.
The second purpose of the invention is to provide the optical cable cabling method, which comprises the optical cable cabling and yarn binding method.
The third purpose of the invention is to provide an optical cable which is manufactured by adopting the optical cable cabling method.
A fourth object of the present invention is to provide a communication apparatus comprising the above optical cable.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention provides an optical cable cabling and yarn binding method, which comprises the following steps:
adopting two double-end binding yarns to carry out forward and reverse lapping on the cable core;
wherein the binding yarn pitch is 30-60mm; the yarn binding tension is 2-12N.
Furthermore, on the basis of the technical scheme of the invention, the tying yarn pitch is 35-55mm, and preferably 35-45mm.
Furthermore, on the basis of the technical scheme of the invention, the yarn binding tension is 2-10N, preferably 3-6N.
Further, on the basis of the technical scheme of the invention, the optical cable cabling and yarn binding method comprises the following steps:
(a) The two double-end binding yarns are respectively rewound to form different yarn groups, and two single-end binding yarns in each double-end binding yarn are rewound on the same yarn group in parallel;
(b) Two single-end binding yarns in each double-end binding yarn on the same yarn group are respectively placed in different yarn penetrating holes, and the two single-end binding yarns cannot be crossed during yarn penetrating;
and then, two double-end binding yarns are adopted to carry out forward and reverse wrapping on the cable core.
Further, on the basis of the above technical solution of the present invention, in the step (a), the rewinding tension is 100 to 200g, preferably 100 to 120g.
Further, on the basis of the technical scheme of the invention, in the step (a), the pitch of the rewinding flat cables of two single-end binding yarns on the same yarn group is 60-150mm, preferably 80-100mm;
preferably, the linear density of each single-end binding yarn in each double-end binding yarn is 1100-3300dtex;
preferably, two single-end tying yarns on the same yarn group are distinguished by different colors.
Further, on the basis of the technical scheme of the invention, in the step (b), the forward and reverse lapping is concentric forward and reverse lapping.
The invention also provides an optical cable cabling method which comprises the optical cable cabling and yarn binding method.
The invention also provides an optical cable which is mainly manufactured by adopting the optical cable cabling method.
The invention also provides communication equipment comprising the optical cable.
Compared with the prior art, the optical cable cabling and yarn binding method, the optical cable cabling method and the optical cable provided by the invention have the following technical effects:
(1) The invention provides an optical cable cabling and yarn binding method, which is characterized in that two double-head binding yarns are adopted to carry out forward and reverse wrapping on a cable core, and the yarn binding pitch and the yarn binding tension are specifically limited, so that the running speed of yarn binding equipment can be effectively reduced, the stability of the yarn binding tension is improved, the occurrence of yarn interruption in production is reduced, the fault rate of the yarn binding equipment is reduced, and meanwhile, the cabling production efficiency is obviously improved.
(2) The optical cable cabling method provided by the invention comprises the optical cable cabling and yarn binding method. In view of the advantages of the optical cable cabling and yarn binding method, the optical cable cabling method also has the same advantages, and meanwhile, the production efficiency of the whole optical cable cabling is greatly improved.
(3) The invention provides an optical cable which is manufactured by adopting the optical cable cabling method. In view of the advantages of the optical cable cabling method, the optical cable has high product quality, and meanwhile, the production efficiency of optical cable cabling is greatly improved, so that the production cost of each optical cable is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a double-ended binder yarn rewinding process in accordance with one embodiment of the present invention;
FIG. 2 shows two single-end binding yarns on the same yarn cluster in accordance with one embodiment of the present invention;
FIG. 3 shows a threading manner of a double-ended binding yarn in use according to an embodiment of the present invention;
FIG. 4 is a pictorial view of an optical cable made by the method provided in example 1 of the present invention;
FIG. 5 is a schematic view of a construction of an optical cable manufactured by the method provided in embodiment 1 of the present invention;
FIG. 6 is a pictorial representation of an optical fiber cable made by the method of comparative example 1 of the present invention;
fig. 7 is a schematic view showing the construction of an optical cable manufactured by the method of comparative example 1 according to the present invention.
Icon: 1-single-end yarn binding; 2-double-end binding; 21-double-end binding yarn I; 22-double-end binding yarn II; 3-optical fiber.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
According to a first aspect of the present invention, there is provided an optical cable cabling and yarn binding method, comprising the steps of:
adopting two double-end binding yarns to carry out forward and reverse lapping on the cable core;
wherein the pitch of the binding yarn is 30-60mm; the yarn binding tension is 2-12N.
Specifically, the binding yarns play a role in fixing the cable core. In the invention, each double-end binding yarn is formed by adopting two single-end binding yarns, and the cable core is wrapped by adopting the two double-end binding yarns, namely, four single-end binding yarns are wrapped outside the cable core.
The proper yarn binding pitch can ensure that the cable core is not loose. Typical but non-limiting binding pitch is 30mm, 32mm, 35mm, 36mm, 40mm, 42mm, 45mm, 46mm, 48mm, 50mm, 52mm, 55mm, 56mm, 58mm or 60mm.
The tension of the yarn should not be too high or too low. The tying tension is typically, but not limited to, 2N, 3N, 4N, 5N, 6N, 7N, 8N, 9N, 10N, 11N or 12N.
When the yarn binding tension is too low and is less than 2N, the yarn binding is easy to loose outside the cable core in a winding way, the cable core is not compact in fixation, the cable core is easy to deform when the cable core extrudes a sheath, the yarn binding tension is too high, yarn binding marks are easy to appear on a cable core sleeve when the yarn binding tension exceeds 12N, the cable core sleeve is flat, the optical cable communication performance is seriously influenced, and hidden dangers are brought to the product quality.
The binding yarn density may be selectively adjusted according to the product specification, and is not specifically limited herein. The yarn binding machine used in lapping is the prior art in the field and is commercially available, and the structure of the yarn binding machine is not specifically described here.
According to the optical cable cabling and yarn binding method provided by the invention, the two double-end binding yarns are adopted to carry out forward and reverse wrapping on the cable core, and the yarn binding pitch and the yarn binding tension are specifically limited, so that the running speed of yarn binding equipment can be effectively reduced, the stability of the yarn binding tension is improved, the occurrence of yarn interruption in production is reduced, the fault rate of the yarn binding equipment is reduced, and meanwhile, the cabling production efficiency is obviously improved.
As an alternative embodiment of the invention, the binding pitch is 35-55mm, preferably 35-45mm.
In an alternative embodiment of the invention, the binding tension is 2 to 10N, preferably 3 to 6N.
Through further limiting the yarn binding pitch and the yarn binding tension, the cable core can be well fixed, and meanwhile, the optical cable is ensured to have higher quality.
As an optional embodiment of the present invention, the optical cable cabling and yarn binding method includes the steps of:
(a) The two double-end binding yarns 2 are respectively rewound to form different yarn groups, and two single-end binding yarns 1 in each double-end binding yarn are rewound on the same yarn group in parallel, specifically as shown in figure 1, the two single-end binding yarns on the same yarn group can be clearly distinguished for use, as shown in figure 2;
(b) Two single-end binding yarns in each double-end binding yarn on the same yarn group are respectively placed in different yarn penetrating holes, and the two single-end binding yarns cannot be crossed when the yarns are penetrated, as shown in figure 3;
and then, two double-end binding yarns are adopted to carry out forward and reverse wrapping on the cable core.
Specifically, in the step (a), two double-end binding yarns are respectively rewound to different yarn groups to prepare for subsequent binding yarns. Because each double-end binding yarn is formed by adopting two single-end binding yarns, the two single-end binding yarns of the same double-end binding yarn are parallelly and repeatedly wound on the same yarn group.
The total weight of the yarn group is selected according to different capacities of yarn binding equipment. As an optional mode of the invention, the weight of the yarn group is about 4-6kg, and when the weight of the yarn group is within the range, the appearance of the compound wound and bundled yarn is smooth.
In the invention, the two double-end binding yarns are adopted to carry out forward and reverse (cross) lapping on the cable core, so that the two double-end binding yarns are required to be respectively rewound to form different yarn groups.
The tying yarn rewinding machine used in rewinding is a common apparatus in the field and is commercially available, and the specific structure of the rewinding machine is not described here.
In the step (b), the placing mode of two single-end binding yarns in the double-end binding yarns is limited, so that the stable control of the winding pitch of the two parallel binding yarns is realized, and if the two binding yarns are wound in the same hole, the double-end binding yarns are combined into the single-end binding yarns.
As an alternative embodiment of the invention, in step (a), two single-end binding yarns on the same yarn group are arranged in parallel.
Two single ends of the same yarn roll are parallelly arranged, so that the length consistency of the two single ends of the yarns is ensured when the package is used, one double-end yarn roll is wrapped on a cable core by one motor concentrically, and one motor cannot form cross wrapping and can only be parallel in the same direction.
As an alternative embodiment of the invention, in step (a), the rewinding tension is 100 to 200g, preferably 100 to 120g.
Typical but non-limiting rewinding tensions are 100g, 110g, 120g, 130g, 140g, 150g, 160g, 170g, 180g, 190g or 200g.
Through further limiting the rewinding tension, the yarn group is flat and free of deformation after the yarn bundling and rewinding are completed, the problem of yarn breakage caused by stepping is solved stably during cabling production, yarn groups are deformed and cannot be used if the tension during rewinding is larger or smaller, and the smoothness of cabling winding production can be guaranteed only if the yarn groups are not thrown on two sides.
As an alternative embodiment of the invention, in step (a), the pitch of the rewinding row of the two single-end binding yarns on the same yarn group is 60-150mm, preferably 80-100mm.
The pitch of the compound winding flat cable refers to the parallel spacing distance of the double-head binding yarn on the yarn group, and the spacing length is similar to the spiral shape. Typical but non-limiting rewiring flex cable pitches are 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm, 105mm, 110mm, 115mm, 120mm, 125mm, 130mm, 135mm, 140mm, 145mm or 150mm.
Through the restriction to the rewinding winding displacement pitch for tension when the cabling production is wrapped keeps stable, the yarn bundle is prevented from deforming, and the risk that the yarn bundle breaks and is bundled when the yarn bundle is thrown is avoided.
As an alternative embodiment of the invention, the linear density of each single-end binding yarn in each double-end binding yarn is 1100-3300dtex. Typical but non-limiting linear densities are 1100dtex, 1200dtex, 1500dtex, 1600dtex, 1800dtex, 2000dtex, 2200dtex, 2500dtex, 2600dtex, 2800dtex, 3000dtex, 3200dtex or 3300dtex.
As an alternative embodiment of the invention, in step (a), two single-end binder yarns on the same yarn group are distinguished by different colors.
As an optional embodiment of the present invention, in the step (b), the forward and reverse lapping is concentric forward and reverse lapping.
According to the second aspect of the invention, the optical cable cabling method comprises the optical cable cabling and yarn binding method.
The optical cable cabling method includes not only an optical cable cabling and yarn binding method but also, for example, a cable paying-out method (process), a cable stranding method (process), a cable pulling method (process), or the like. The above method can be performed by methods commonly used in the art, and will not be described herein.
The optical cable cabling method provided by the invention comprises the optical cable cabling and yarn binding method. In view of the advantages of the optical cable cabling and yarn binding method, the optical cable cabling method also has the same advantages, and the yarn binding method greatly improves the production efficiency of the whole optical cable cabling.
According to the third aspect of the invention, the optical cable is also provided and is mainly prepared by adopting the optical cable cabling method.
In view of the advantages of the optical cable cabling method, the optical cable has higher product quality, and meanwhile, the production cost of each optical cable is effectively reduced due to the greatly improved production efficiency of optical cable cabling.
According to a fourth aspect of the present invention, there is also provided a communication apparatus comprising the optical cable described above.
In view of the advantages of the optical cable, the optical cable can be applied to various optical cable communication devices or communication systems, for example, an all-dielectric overhead ADSS optical cable for power communication and an optical cable for a field direct-buried double-sheath trunk line for mobile communication, and the same advantages can be given to the communication devices, and therefore, the description is omitted here.
The present invention will be further described with reference to specific examples and comparative examples. It should be noted that the tying yarn rewinding machine used in each example and comparative example is purchased from Jiangyin Yigao mechanical equipment Co., ltd, and the equipment model is LY-SF magnetic speed regulation automatic constant tension wire winding machine, and each example and comparative example is an optical cable core with the specification of 12 kilometers 1+ 5.9.
Example 1
The embodiment provides an optical cable cabling and yarn binding method, which comprises the following steps:
(a) Selecting a conventional yarn bundling rewinding machine for rewinding, correcting tension during rewinding, enabling the yarn bundling rewinding tension to be 100g, respectively rewinding two double-end bundling yarns on different yarn bundling barrels to form different yarn groups, rewinding two single-end bundling yarns in the same double-end bundling yarn on the yarn groups on the same yarn bundling barrel, and keeping the two single-end bundling yarns in the same double-end bundling yarn parallel;
wherein the linear density of each single-end binding yarn is 1100dtex, the linear density of each double-end binding yarn is 2200dtex, the pitch of the compound winding flat cable is 60mm, and the weight of each yarn group is 4kg.
(b) Two single-end binding yarns in each double-end binding yarn on the same yarn group are respectively placed in different yarn penetrating holes, and the two single-end binding yarns cannot be crossed during yarn penetrating;
and then, adopting two double-end binding yarns to carry out forward and reverse lapping on the cable core, wherein the pitch of the binding yarns is 30mm, the tension of the binding yarns is 3N, and the production speed is 80 m/min.
The cable core product obtained by the method for cabling and binding the optical cable provided by this embodiment is shown in fig. 4 and 5. As can be seen from the figure, the double-end binding yarn I21 and the double-end binding yarn II 22 are wound outside the optical fiber 3 in the forward and reverse directions.
Example 2
This example provides a method for binding yarns for optical cable cabling, which has the same process parameters as example 1 except that the binding pitch is 60mm.
Example 3
This example provides a method for binding yarns for optical cable cabling, which has the same process parameters as example 1 except that the binding pitch is 50mm.
Example 4
This example provides a method for binding yarns for optical cable cabling, which has the same process parameters as example 1 except that the binding yarn tension is 10N.
Example 5
This example provides a method for binding optical cable, which is the same as example 1 except that the pitch of the rewinding row wires is 120 mm.
Example 6
The embodiment provides a method for cabling and yarn binding of an optical cable, and the process parameters are the same as those of the embodiment 1 except that the pitch of the rewinding and arranging wire is 180 mm.
Example 7
The embodiment provides an optical cable cabling and yarn binding method, which comprises the following steps:
(a) Selecting a conventional yarn bundling rewinding machine for rewinding, correcting the tension during rewinding, wherein the rewinding tension is 200g, rewinding two double-end bundling yarns on different yarn bundling barrels respectively to form different yarn groups, rewinding two single-end bundling yarns in the same double-end bundling yarn on the yarn groups on the same yarn bundling barrel, and keeping the two single-end bundling yarns in the same double-end bundling yarn parallel;
wherein the linear density of each single-end binding yarn is 1100dtex, the linear density of each double-end binding yarn is 2200dtex, the pitch of the compound winding flat cable is 100mm, and the weight of each yarn group is 6kg.
(b) Two single-end binding yarns in each double-end binding yarn on the same yarn group are respectively placed in different yarn penetrating holes, and the two single-end binding yarns cannot be crossed during yarn penetrating;
and then, forward and reverse wrapping the cable core by adopting two double-end binding yarns, wherein the pitch of the binding yarns is 50mm, the tension of the binding yarns is 8N, and the production speed is 80 m/min.
Example 8
The embodiment provides an optical cable cabling and yarn binding method, which comprises the following steps:
(a) Selecting a conventional yarn bundling rewinding machine for rewinding, correcting the tension during rewinding, wherein the rewinding tension is 120g, rewinding two double-end bundling yarns on different yarn bundling barrels respectively to form different yarn groups, rewinding two single-end bundling yarns in the same double-end bundling yarn on the yarn groups on the same yarn bundling barrel, and keeping the two single-end bundling yarns in the same double-end bundling yarn parallel;
wherein the linear density of each single-end binding yarn is 1100dtex, the linear density of each double-end binding yarn is 2200dtex, the pitch of the compound winding flat cable is 100mm, and the weight of each yarn group is 6kg.
(b) Two single-end binding yarns in each double-end binding yarn on the same yarn group are respectively placed in different yarn penetrating holes, and the two single-end binding yarns cannot be crossed during yarn penetrating;
and then, adopting two double-end binding yarns to carry out forward and reverse lapping on the cable core, wherein the pitch of the binding yarns is 45mm, the tension of the binding yarns is 10N, and the production speed is 80 m/min.
Comparative example 1
This comparative example provides a method for cabling and yarn binding of an optical cable, which is a comparative experiment of example 1, comprising the steps of:
(a) 2200dtex single-end yarn binding is selected, the weight is 5kg, the color is yellow, and the smooth appearance and the non-deformation of a yarn binding group are ensured;
(b) Installing the binding yarn according to the running direction of the binding yarn machine, and fixing a binding yarn head on any side through a yarn threading magnetic eye;
and then, carrying out forward and reverse cross lapping on the cable core by adopting two single-end binding yarns, wherein the pitch of the binding yarns is 30mm, the tension of the binding yarns is 3-5N, the production speed is 80m/min, and the actual space between the binding yarns of the cable core produced by using the single-end binding yarns is 30mm.
The cable core products obtained by the cable cabling and yarn binding method provided by the comparative example are shown in fig. 6 and 7. As can be seen from the figure, the single end of the binding yarn 1 is wrapped around the optical fiber 3.
Comparative example 2
This comparative example provides a method for cabling and yarn binding for an optical cable, a comparative experiment of example 7, comprising the steps of:
(a) 2200dtex single-end yarn binding is selected, the weight is 5kg, the color is yellow, and the smooth appearance and the non-deformation of a yarn binding group are ensured;
(b) Installing the binding yarn according to the running direction of the binding yarn machine, and fixing a binding yarn head on any side through a yarn threading magnetic eye;
and then, carrying out forward and reverse cross wrapping on the cable core by adopting two single-end binding yarns, wherein the pitch of the binding yarns is 50mm, the tension of the binding yarns is 8N, the production speed is 80m/min, and the actual space between the binding yarns of the cable core produced by using the single-end binding yarns is 50mm.
In order to illustrate the technical effects of the above examples and comparative examples, the following experimental examples were specifically set.
Experimental example 1
The parameters of the operating speed of the yarn binding machine, the yarn binding space on the prepared optical cable, the cable core stranding pitch, the single yarn binding pitch, the yarn breaking times and the like involved in the optical cable cabling and yarn binding method provided by each embodiment and comparative example are detected, and are specifically shown in table 1.
TABLE 1
As can be seen from the data in table 1, the effect of the optical cable cabling and yarn binding method provided by the embodiments of the present invention is overall better than the effect of the optical cable cabling and yarn binding method provided by the comparative example.
Specifically, example 2 and example 3 are the control experiments of example 1, and the difference between the three is that the adopted binding yarn pitch is different. The yarn binding pitch is related to the operation speed of the yarn binding machine, as compared with the example 1 and the example 2, the yarn binding pitch is 30mm and 60mm, the operation speed of the yarn binding machine is 1 time different, the cable core twisting pitch is obviously changed after the yarn binding pitch is increased, and the yarn binding print of the cable core sleeve is not obviously changed.
Example 4 is also a control experiment of example 1, but the difference is that the tension is different. As can be seen from the data in Table 1, when the yarn binding tension of example 4 reaches 10N, the outer diameter of the sleeve at the yarn binding position of the cable core is smaller, and a yarn binding mark appears locally.
Compared with the embodiment 1, the embodiment 5 and the embodiment 6 show that the operation speed of the yarn binding machine is not affected by adopting different rewinding and arranging pitches, the twisting pitch of the cable core is not affected, the outer diameter of the sleeve at the yarn binding position of the cable core is not affected, but the rewinding and arranging pitch in the embodiment 6 is too large, so that the yarn breaking and binding occurs for 2 times in production.
Compared with the single yarn binding pitch of 15mm in the embodiment 1, the actual yarn binding pitch of the comparative example 1 is 30mm, which is twice that of the embodiment 1, if the comparative example 1 requires the yarn binding pitch of 15mm to be met, the rotating speed of the yarn binding machine needs to reach 5332 (2666 x 2) turns, and the equipment cannot be met. Fig. 4 and 5 are schematic views of a fiber optic cable made using the method provided in example 1. Fig. 6 and 7 are schematic views of an optical cable manufactured by the method provided in comparative example 1. From the above figures, it can be seen that the yarn binding modes are different, the yarn binding densities of the yarn binding wrapping are different, the pitch of the double-end yarn binding wrapping is tighter, and the twisted pitch is stable. Comparative example 1 is also a control test of example 2, and it can be seen from the data in table 1 that the single yarn binding pitch of comparative example 1 and example 2 is 30mm, but since the double-head yarn binding process is adopted in example 2 and the single-head yarn binding process is adopted in comparative example 1, the yarn binding pitch of example 2 is doubled as compared with that of comparative example 1, and the operating speed of the yarn binding machine of example 2 is reduced to 1/2 of that of comparative example 1.
Compared with the experimental example 7 with the single binding yarn pitch of 25mm, the comparative example 2 with the single binding yarn pitch of 50mm and the actual binding yarn interval of 50mm, the difference is doubled. If comparative example 2 requires a single yarn binding pitch of 25mm, the speed of the yarn binding machine needs to reach 3200 (1600 x 2) revolutions, and the equipment cannot meet the requirement. Meanwhile, the stranding pitch of the cable core in the comparative example 2 is slightly larger from 65mm to 75mm, and the outer diameter of the sleeve at the yarn binding position of the cable core is detected to be 1.75-1.80mm under the condition that the yarn binding is also 8N, so that obvious yarn binding marks appear, which indicates that the yarn binding marks easily appear after the tension of single-end yarn binding is increased, and the stranding pitch of the cable core cannot be met after the yarn binding pitch is increased.
Therefore, the optical cable cabling and yarn binding method provided by the embodiment of the invention can effectively reduce the running speed of yarn binding equipment, improve the stability of yarn binding tension, reduce the occurrence of yarn interruption in production and reduce the fault rate of the yarn binding equipment. And the operation speed of the yarn binding machine has a large lifting space, so that the cabling production efficiency is obviously improved.
In summary, through comparison between the above embodiment and the comparative example, it is found that the yarn binding tension exceeding 8N affects the yarn binding print on the outer diameter of the cable core sleeve, the yarn breaking and binding phenomenon is easy to occur when the rewinding and winding pitch reaches 180mm, the change of the yarn binding pitch has obvious fluctuation change on the product pitch, but the product quality is not affected, the yarn binding pitch has obvious difference on the operating speed of the yarn binding machine, the operating speed of the yarn binding machine can be reduced after the pitch is increased, and the production line speed is further increased.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (15)
1. An optical cable cabling and yarn binding method is characterized by comprising the following steps:
(a) The two double-end binding yarns are respectively rewound to form different yarn groups, and two single-end binding yarns in each double-end binding yarn are rewound on the same yarn group in parallel;
(b) Two single-end binding yarns in each double-end binding yarn on the same yarn group are respectively placed in different yarn penetrating holes, and the two single-end binding yarns cannot be crossed during yarn penetrating;
then, two double-end binding yarns are adopted to carry out forward and reverse wrapping on the cable core;
wherein the binding yarn pitch is 30-60mm, and the binding yarn tension is 2-12N.
2. The optical cable cabling and binding method according to claim 1, wherein the binding pitch is 35 to 55mm.
3. A method for cabling and binding a fiber optic cable according to claim 2, wherein the binding pitch is 35-45mm.
4. The optical cable cabling and binding method according to claim 1, wherein the binding tension is 2 to 10N.
5. The cable-tying method according to claim 4, wherein the tying yarn tension is 3 to 6N.
6. The cable-tying yarn method according to claim 1, wherein the rewinding tension in the step (a) is 100 to 200g.
7. The optical cable cabling and binding yarn method as claimed in claim 6, wherein in the step (a), the rewinding tension is 100 to 120g.
8. The optical cable cabling and binding method according to claim 1, wherein in the step (a), the pitch of the rewinding row of the two single-ended binding yarns on the same yarn group is 60-150mm.
9. The optical cable cabling and binding method according to claim 8, wherein in step (a), the pitch of the rewinding row of the two single-ended binding yarns on the same clew is 80-100mm.
10. The optical cable cabling and yarn binding method according to claim 1, wherein each single end binding yarn of each double end binding yarn has a linear density of 1100 to 3300dtex.
11. The optical cable cabling and binding method according to claim 1, wherein in step (a), the two single-end binding yarns on the same yarn bundle are distinguished by different colors.
12. The optical cable cabling and yarn binding method according to claim 1, wherein in the step (b), the forward and reverse lapping is concentric forward and reverse lapping.
13. A method for cabling an optical cable, comprising the method for cabling and yarn-tying for an optical cable according to any one of claims 1 to 12.
14. An optical cable produced mainly by the optical cable cabling method as claimed in claim 13.
15. A communication device comprising the optical cable of claim 14.
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| CN202010697712.9A CN111736282B (en) | 2020-07-20 | 2020-07-20 | Optical cable cabling and yarn binding method, optical cable cabling method, optical cable and communication equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048749A (en) * | 2012-12-26 | 2013-04-17 | 青岛中能集团有限公司 | Layer-stranding type outdoor special optical cable cabling process |
| CN203786359U (en) * | 2014-04-10 | 2014-08-20 | 上海拓鹰机电设备有限公司 | Pot wire winding type double head concentric cross-shaped yarn winding device |
| CN205562917U (en) * | 2016-04-08 | 2016-09-07 | 上海科辰光电线缆设备有限公司 | Novel bundle yarn device of optical cable transposition production usefulness |
| CN110631752A (en) * | 2019-09-25 | 2019-12-31 | 烽火通信科技股份有限公司 | Optical cable stranding and yarn binding tension on-line monitoring device and method |
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2020
- 2020-07-20 CN CN202010697712.9A patent/CN111736282B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048749A (en) * | 2012-12-26 | 2013-04-17 | 青岛中能集团有限公司 | Layer-stranding type outdoor special optical cable cabling process |
| CN203786359U (en) * | 2014-04-10 | 2014-08-20 | 上海拓鹰机电设备有限公司 | Pot wire winding type double head concentric cross-shaped yarn winding device |
| CN205562917U (en) * | 2016-04-08 | 2016-09-07 | 上海科辰光电线缆设备有限公司 | Novel bundle yarn device of optical cable transposition production usefulness |
| CN110631752A (en) * | 2019-09-25 | 2019-12-31 | 烽火通信科技股份有限公司 | Optical cable stranding and yarn binding tension on-line monitoring device and method |
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