A kind of take-up and armored optical cable of spiral armouring beam cable
Technical field
The present invention relates to optical cable field more particularly to a kind of take-ups and armored optical cable of spiral armouring beam cable.
Background technique
Armored optical cable has been widely used for communications equipment room, comprehensive building wiring, local area network, fibre optical sensor, light at present
Communication equipment connection, oilfield, national defence prepare for war, measuring instrument, base station cabinet and other indoor and outdoor special occasions.
Fig. 4 is the structural schematic diagram of existing armored optical cable.Existing armored optical cable includes the cable core successively coated from inside to outside
16, stainless steel spiral steel band 17, aramid yarn 18, stainless steel braided wires 19 ', sheath 20 ' and outer jacket 21.Cable core 16 includes extremely
A few tight tube fiber 161 and filler.It is equipped at least one optical fiber in tight tube fiber 161, two layers of sheath is surrounded by outside optical fiber.It fills out
It fills object and is generally water blocking yarn 162.The inside of armored optical cable can also indulge and drag several water blocking yarns 162, for moisture-proof.
When armored optical cable makes, stainless steel spiral steel band 17 first is wound in the outside of cable core 16, and take-up is to obtain spiral
Armouring beam cable.In the process of closing the line, since take-up speed is greater than winding speed, and stainless steel spiral steel band 17 itself is with soft
Property, if the takeup tension that stainless steel spiral steel band 17 is subject to is larger, will lead to stainless steel spiral steel band 17 is elongated and deformed, and makes
The size and appearance roundness of molding spiral armouring beam cable are unable to satisfy requirement, and then influence the armored optical cable of final molding
Dimensional accuracy and roundness.
Further, existing armored optical cable is indulged in the outer layer of the stainless steel spiral steel band 17 of spiral armouring beam cable and drags aramid yarn
18, then at external sheath stainless steel braided wires 19 ' of aramid yarn 18, since aramid yarn 18 is bulk, carrying out high speed rotation
When weaving stainless steel braided wires 19 ', poly- yarn can occur for aramid yarn 18, and stainless steel braided wires 19 ' can also occur with aramid yarn 18
Phenomena such as hooking silk, causes the outer diameter profile of the stainless steel braided wires 19 ' after being covered to complete uneven, further results in final molding
Armored optical cable appearance rounding property it is poor, and make the production injection molding of later period wire jumper inconvenient.
In addition, being had more than processing in the outside extrusion molding cladding sheath 20 ' and outer jacket 21 of stainless steel braided wires 19 '
Heat, existing sheath 20 ' and outer jacket 21 are generally polyethylene material and cladding thickness is larger, and heat conveyance performance is poor,
Being not easy, which makes to process waste heat, outwardly transmits, so that the inside that waste heat is transmitted to armored optical cable is largely processed, in tight tube fiber 161
Optical fiber is heated to occur creep, and the linearity of optical fiber is deteriorated, decaying becomes larger, the final roundness and optical delivery for influencing armored optical cable
Performance.
Summary of the invention
The purpose of the present invention is to provide a kind of take-up of spiral armouring beam cable, can prevent in spiral armouring beam cable
Take-up during stainless steel spiral steel band deform, improve spiral armouring beam cable dimensional accuracy and roundness.
It is an object of the invention to also provide a kind of armored optical cable, which is with the receipts of above-mentioned spiral armouring beam cable
Further be made based on the spiral armouring beam cable that line apparatus obtains, the dimensional accuracy of the armored optical cable is higher and roundness compared with
It is good.
To achieve the above object, the following technical schemes are provided:
A kind of take-up of spiral armouring beam cable, comprising:
Take-up roller, for winding the spiral armouring beam cable exported from line outlet;
Take-up buffer unit, for guaranteeing the spiral armouring beam cable between the line outlet and the take-up roller
Always it is in relaxed state.
Further, the take-up buffer unit includes:
First position detector between the line outlet and the take-up roller and is located at the spiral armouring beam cable
Lower section, the first position detector are configured as when it detects the spiral armouring beam cable, and the take-up roller starts to receive
Line;
Second position detector between the line outlet and the take-up roller and is located at the spiral armouring beam cable
Top, the second position detector are configured as when it detects the spiral armouring beam cable, and the take-up roller stops to receive
Line.
Further, take-up limiting device is equipped between the line outlet and the take-up roller, for limiting the spiral
Winding range of the armouring beam cable on take-up roll axis direction.
Further, it is additionally provided with regulation by pitch device between the line outlet and the take-up roller, is wrapped in for adjusting
Pitch between spiral armouring beam cable described in same layer two adjacent rings on the take-up roller.
A kind of armored optical cable, including the obtained spiral armouring of take-up using spiral armouring beam cable as described above
Beam cable.
It further, further include aramid yarn, sheath and the stainless steel being successively coated on the outside of the spiral armouring beam cable
Braided wires, the sheath are low smoke and zero halogen material.
It further, further include outer jacket, the outer jacket coats the stainless steel braided wires.
Further, the outer jacket is polythene material.
Further, water blocking yarn is provided between the aramid yarn and the sheath.
Further, water blocking yarn is provided between the stainless steel braided wires and the outer jacket.
Compared with prior art, the present invention provides a kind of take-up of spiral armouring beam cable, can effectively prevent spiral
Stainless steel spiral steel band in armouring beam cable, by tension set, and guarantees the dimensional accuracy of spiral armouring beam cable during take-up
And roundness.
The present invention also provides a kind of armored optical cable, which obtains in the take-up by above-mentioned spiral armouring beam cable
Spiral armouring beam cable on the basis of be further made, due to the deformation of the spiral armouring beam cable is smaller and roundness compared with
It is good, to improve the dimensional accuracy and appearance roundness of the armored optical cable obtained on this basis.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the take-up of spiral armouring beam cable provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of take-up buffer unit provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of armored optical cable provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of existing armored optical cable.
Appended drawing reference:
1- line outlet;2- take-up buffer unit;The first position 21- detector;The second position 22- detector;3- first is passed
Moving axis;4- wire pushing roller;The first fixing axle of 5-;6- take-up limiting device;The second fixing axle of 7-;8- casing;9- beam tube;10- is sent
Wire tray;11- guide wheel;12- regulation by pitch device;13- second driving shaft;14- take-up roller;15- spiral armouring beam cable;
16- cable core;161- tight tube fiber;162- water blocking yarn;17- stainless steel spiral steel band;18- aramid yarn;19 '-is stainless
Steel braided wires;20 '-sheaths;21- outer jacket;19- stainless steel braided wires;20- sheath.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will be described in further detail in conjunction with technical solution of the attached drawing to the embodiment of the present invention, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
As shown in Figure 1, its structural schematic diagram for the take-up of the present embodiment spiral armouring beam cable.The spiral armouring beam
The side of line outlet 1, including first driving device (not shown), the second driving device (figure is arranged in the take-up of cable
In be not shown), take-up buffer unit 2, the first transmission shaft 3, second driving shaft 13, the first fixing axle 5, the second fixing axle 7 and receive
Line roller 14 etc..
First transmission shaft 3 being capable of being rotated by first driving device with second driving shaft 13.On first transmission shaft 3
Equipped with wire pushing roller 4, wire pushing roller 4 can be rotated with the first transmission shaft 3.Take-up roller 14 is set on second driving shaft 13, and energy
It is rotated with second driving shaft 13.Take-up limiting device 6 is provided in first fixing axle 5.Wire feeding disc is provided in second fixing axle 7
10, beam tube 9 is fixed on wire feeding disc 10, and one end that beam tube 9 is not connect with wire feeding disc 10 is provided with casing 8.Wire feeding disc 10 can
It is mobile in the second fixing axle of driving lower edge 7 of the second driving device.
Since take-up speed is greater than the winding speed of stainless steel spiral steel band 17 in spiral armouring beam cable 15, i.e. take-up roller
14 take-up speed is greater than the linear velocity out of line outlet 1, to prevent the stainless steel spiral steel band 17 in spiral armouring beam cable 15 from existing
By tension set during take-up, the take-up of the spiral armouring beam cable is interruption take-up.The starting and suspension of take-up
It is controlled by take-up buffer unit 2.
Fig. 2 is the structural schematic diagram of the present embodiment take-up buffer unit 2.Take-up buffer unit 2 setting line outlet 1 with give
Lower zone between silk idler wheel 4.The spiral armouring beam cable 15 exported from line outlet 1 is fallen in take-up buffer unit 2, through sending
Silk idler wheel 4 and wire feeding disc 10 are wrapped on take-up roller 14 after conveying.Multiple first position detections are provided in take-up buffer unit 2
Device 21 and second position detector 22, the two are located at the following above and of spiral armouring beam cable 15.First in the present embodiment
Position detector 21 and second position detector 22 are sensor.
The spiral armouring beam cable 15 (indicated by the solid line in Fig. 2) that relaxed state is exported and be in from line outlet 1, constantly defeated
During out, spiral armouring beam cable 15 can be constantly sagging under gravity, when first position detector 21 detects spiral shell
When revolving armouring beam cable 15, first driving device and the second driving device are opened.First transmission shaft 3 and second driving shaft 13 are first
Driving device is rotated by, and wire pushing roller 4 is rotated with the first transmission shaft 3 with conveyor screw armouring beam cable 15, take-up roller 14
It is rotated with second driving shaft 13, and wire feeding disc 10 moves under the action of the second driving device along the second fixing axle 7, starts to receive
Line.
The circumferential settable sliding slot of wire pushing roller 4, spiral armouring beam cable 15 is located in sliding slot, to prevent spiral armouring beam cable 15
It is slid from wire pushing roller 4.Further, also settable lever on wire pushing roller 4, lever are pushed down spiral armouring beam cable 15 and are prevented
It beats on wire pushing roller 4.Plastics can be also arranged on lever, prevent the surface of spiral armouring beam cable 15 because with lever friction by
Damage.
Spiral armouring beam cable 15 flow to beam tube 9 from wire pushing roller 4 and is wrapped on take-up roller 14 after the conveying of wire feeding disc 10.
Beam tube 9 has camber, for adjusting the flow direction of spiral armouring beam cable 15, i.e., by spiral armouring beam cable 15 by vertically flowing tune
Section is bottom horizontal flow sheet.The upper end of beam tube 9 is connected with casing 8, and casing 8 has certain elasticity, and the center of casing 8 offers hole,
The diameter in hole is less than the diameter of spiral armouring beam cable 15.The deformation of casing 8 and extrusion spiral armouring beam cable 15, to prevent spiral armouring
When flow direction changes own rotation occurs for beam cable 15.Multiple guide wheels 11 are provided on wire feeding disc 10, guide wheel 11 clamps spiral
Armouring beam cable 15 makes spiral armouring beam cable 15 be in straight configuration.
Wire feeding disc 10 is set between take-up limiting device 6, and take-up limiting device 6 includes two sensors in the present embodiment,
The distance of two sensors is identical or close as the axial dimension of take-up roller 14, for limiting the moving distance and shifting of wire feeding disc 10
Dynamic direction.When take-up limiting device 6 detects wire feeding disc 10, indicate that spiral armouring beam cable 15 has been wound to the one of take-up roller 14
End, the wire feeding disc 10 of the second driving device driving later moves round about, so that spiral armouring beam cable 15 is to take-up roller 14
Other end winding.
Regulation by pitch device 12 is provided on wire feeding disc 10, for controlling movement of the wire feeding disc 10 in the second fixing axle 7
Speed.In the present embodiment, regulation by pitch device 12 is position sensor, can adjust the movement velocity of wire feeding disc 10, and then adjust
The spacing for the two adjacent rings spiral armouring beam cable 15 being wrapped on take-up roller 14 is saved, guarantees the same layer being wrapped on take-up roller 14
Spiral armouring beam cable 15 be not in juxtaposition.When the diameter difference of the spiral armouring beam cable 15 of production, pass through setting
Fine adjustment adapts to the spiral armour of different-diameter away from regulating device 12, to adjust the pitch of spiral armouring beam cable 15 on take-up roller 14
Dress cable 15.In other embodiments, regulation by pitch device 12 can also be provided at other positions, as long as wire feeding disc 10 can be limited
Movement velocity.
Due to take-up roller 14 take-up speed be greater than line outlet 1 go out linear velocity, when take-up to a certain extent, the second position
When detector 22 detects spiral armouring beam cable 15, indicate that spiral armouring beam cable 15 will be tensioned (with dotted line table in Fig. 2 at this time
Show), first driving device and the second driving device are closed, and take-up is stopped.As the length of spiral armouring beam cable 15 is continuously increased
And it is sagging, when first position detector 21 detects spiral armouring beam cable 15 again, take-up restarts.It repeats the above process,
It can prevent spiral armouring beam cable 15 from being deformed during take-up by pulling force.
The take-up of the spiral armouring beam cable 15 realizes interruption take-up, prevents spiral by setting take-up buffer unit 2
Armouring beam cable 15 is deformed during take-up by pulling force, guarantees the dimensional accuracy and roundness of spiral armouring beam cable 15.Into one
Step ground adjusts winding range of the spiral armouring beam cable 15 on take-up roller 14 by setting take-up limiting device 6.In addition, passing through
Regulation by pitch device 12 is set, to adjust the pitch for the spiral armouring beam cable 15 being wrapped on take-up roller 14.
The present embodiment also provides a kind of armored optical cable, which is in the take-up by above-mentioned spiral armouring beam cable
It is further made on the basis of obtained deformation is smaller and the better spiral armouring beam cable 15 of appearance roundness, to improve
The dimensional accuracy and roundness of armored optical cable after molding.
Fig. 3 is the structural schematic diagram of the present embodiment armored optical cable.The armored optical cable includes the cable successively coated from inside to outside
Core 16, stainless steel spiral steel band 17, aramid yarn 18, sheath 20, stainless steel braided wires 19 and outer jacket 21.Cable core 16 includes extremely
A few tight tube fiber 161 and filler.Filler is generally water blocking yarn 162.Aramid yarn 18 and sheath 20, stainless steel weave
It is vertical between silk 19 and outer jacket 21 to drag one or more water blocking yarn 162, effectively ensure armored optical cable not by outside moisture and tide
The influence of gas.Sheath 20 is made of low smoke and zero halogen material, has the characteristics that thermal conductivity is low, it is small to be heat-shrinked.
Compared with the structure of existing armored optical cable, sheath 20 is arranged in aramid yarn armored optical cable provided in this embodiment
Between 18 and stainless steel braided wires 19.In the direct extrusion molding sheath 20 of the outer layer of aramid yarn 18, the poly- of aramid yarn 18 can be reduced
Yarn phenomenon, and the sheath 20 melted can be filled in the uneven place that aramid yarn 18 is generated by poly- yarn.Further, with
Existing sheath 20 is compared using polyethylene material, and the material of the present embodiment sheath 20 is low smoke and zero halogen material, is heat-shrinked
Rate is lower and is unlikely to deform after forming, to obtain the preferable sheath 20 of profile roundness, and makes high speed on this basis
The roundness of the stainless steel braided wires 19 of braiding is preferable, and the appearance rounding property of finally obtained armored optical cable is more preferable.
In addition, it is lower using the pyroconductivity of sheath 20 made of low smoke and zero halogen material, outside stainless steel braided wires 19
When coating sheath 20, sheath 20 can effectively reduce conduction to the outer jacket 21 at cable core 16 and process waste heat, reduce cable core
The thermal contraction and creep of tight tube fiber 161 in 16, further increase roundness, the optical transmission performance of armored optical cable after molding
And service performance.
Armored optical cable provided in this embodiment is that the deformation that obtains in the take-up by above-mentioned spiral armouring beam cable is smaller
And be further made on the basis of the better spiral armouring beam cable 15 of appearance roundness, dimensional accuracy and roundness are higher.
Further, by sheath 20 be arranged between aramid yarn 18 and stainless steel braided wires 19, and sheath 20 using be heat-shrinked and
The lower low smoke and zero halogen material of pyroconductivity is able to solve the poly- yarn and stainless steel braided wires 19 and aramid fiber of existing aramid yarn 18
The problem that the yarn hook of yarn 18 causes the armored optical cable appearance roundness of stainless steel braided wires 19 and final molding poor, and can have
Effect prevents tight tube fiber 161 in armored optical cable forming process to be heat-shrinked and decay, and further increases armored optical cable after molding
Roundness, optical transmission performance and service performance, and can satisfy the injection molding of later period wire jumper fixed dimension and particular jig use.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.