Optical fiber type high-precision tension detection device
A tension detection, high-precision technology, applied in the field of sensing, can solve the problems of limiting the range of use of electronic tension sensing devices, not being able to use it for a long time, and difficulty in precision, and achieve the benefits of popularization and use, good use effect, and high test accuracy Effect
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[0040] Example 1
[0041] Such as figure 2 with 3 The optical fiber type high-precision tension detection device shown includes a casing 6 and a pulley 13 arranged above the casing 6. The number of the pulleys 13 is three, and two of the pulleys 13 are arranged on both sides and Both are fixedly connected to the housing 6 by a fixed rod. The other of the pulleys 13 is an intermediate pulley 12. The intermediate pulley 12 is located between the two pulleys and is fixed on the upper end of the transmission rod 8. The transmission rod 8 is mounted on the housing 6, the transmission rod 8 is slidingly fitted with the housing 6, the lower end of the transmission rod 8 is located inside the housing 6, and the housing 6 is also provided with an optical fiber bending sensing unit, the optical fiber bending sensing unit is located At the lower end of the transmission rod 8, the optical fiber bending sensing unit includes a signal optical fiber 33 and a curved test channel for the signal ...
Example Embodiment
[0044] Example 2
[0045] Such as Figure 4 with 5 As shown, the difference between this embodiment and Embodiment 1 is that the curved bracket 19 is a spring, and the deformed tooth 4-1 and the deformed tooth 2 4-2 are correspondingly arranged between two adjacent coils of spring wire of the linear bracket 19 And the deformed tooth 4-1 and the deformed tooth 2 4-2 are arranged alternately. In this embodiment, the structure, connection relationship and working principle of the remaining parts are the same as those in the first embodiment.
Example Embodiment
[0046] Example 3
[0047] Such as Image 6 with 7 As shown, the difference between this embodiment and Embodiment 1 is that the curved bracket 19 is a corrugated tube, and the deformed tooth 4-1 and the deformed tooth 2 4-2 are correspondingly arranged in the recesses on the tube wall 41 of the corrugated tube. On the two opposite sides of the two sides, deformed tooth 4-1 and deformed tooth two 4-2 are arranged alternately. In this embodiment, the structure, connection relationship and working principle of the remaining parts are the same as those in the first embodiment.
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