A strand tension control device
A technology of tension control and tension, which is applied in the manufacture of coaxial cables, cable/conductor manufacturing, electrical components, etc., can solve the problems of unstable tension of pay-off wires, and achieve the effects of stable friction, uniform pay-off, and stable force
Active Publication Date: 2019-01-04
浙江联杰科技有限公司 +1
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Problems solved by technology
[0005] The problem to be solved by the present invention is to overcome the problems existing in the prior art, provide a twisted wire tension control device, and solve the problem in the prior art that the pay-off tension is not stable when the tube stranding machine is twisted
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[0029] The present invention can change the tension by changing the specification of the spring, the size of the outer diameter of the tension circle, and adding rubber gaskets, etc., and can be applied to twisting inner conductor strands of radio frequency coaxial cables with different specifications. Specifically, according to F 张 =K·ΔS·μ·r / R It can be concluded that the tension of the coil is proportional to the spring stiffness coefficient, the deformation of the spring, the friction coefficient between the tension rod and the tension circle, and the radius of the tension circle. When the range of ΔS remains unchanged, changing K, μ, r can change the size of the coil tension adjustment range.
[0030] See figure 1 , A stranded wire tension control device provided by the present invention includes a frame 1 on which a tension generator 2 and wire reels placed at both ends of a fixed shaft 3 are arranged. The main principle of the tension generator used in the present inve...
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Abstract
The invention belongs to the cable processing field, relates to a stranded wire tension control apparatus, and aims to solve the technical problem of instable paying-off tension of the existing pipe stranding machine in stranding. The stranded wire tension control apparatus provided by the invention comprises a rack; a tension generator and wire coils fixed at the two ends of a fixed shaft are arranged on the rack; the stranded wire tension control apparatus is characterized in that the tension generator comprises an adjustment apparatus, a tension bar and a tension circle; the adjustment apparatus is connected with the tension bar; the end plane of the tension bar is tangent with the tension circle, and the axis of the tension bar is higher than that of the tension circle; the tension circle is connected with the fixed shaft; and the adjustment apparatus controls the tension bar and the tension circle to generate friction therebetween to adjust the paying-off tension of the wire coils, so that the shortcoming of instable paying-off tension of the pipe stranding machine in stranding can be overcome to the maximum degree; and in addition, the stranded wire tension control apparatus can be applicable to twisting of radio frequency coaxial cable inner conductor twisted wires of different specifications.
Description
technical field [0001] The invention belongs to the field of cable processing, and relates to a control device, in particular to a tension control device for strand processing of an inner conductor of a radio frequency coaxial cable. Background technique [0002] The inner conductor of the RF coaxial cable is a stranded wire structure as an ideal structural form. The stranded wire structure can make the cable have excellent mechanical properties such as good flexibility and bendability, and at the same time have low loss, small standing wave, phase Consistency and good shielding performance and other excellent electrical properties, so this structure is widely used. In order to improve the electrical and mechanical properties of the cable, increasing the twisting level of the inner conductor is one of the key technologies. The operation mode of the tube stranding machine is mainly that when the copper wires are twisted in the tube stranding machine, a plurality of copper si...
Claims
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IPC IPC(8): H01B13/016H01B13/02
CPCH01B13/0162H01B13/0207H01B13/0285
Inventor 李福兵肖怀远郑成军朱元忠
Owner 浙江联杰科技有限公司