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CN-118373258-B - Multistage coaxial mechanism for optical fiber surrounding fiber

CN118373258BCN 118373258 BCN118373258 BCN 118373258BCN-118373258-B

Abstract

The application provides a multistage coaxial mechanism for optical fiber encircling, which is characterized in that a triple shaft structure is arranged on a base frame, the triple shaft structure comprises a triple shaft rotating base, the triple shaft rotating base is connected with the base frame, the inner side of the triple shaft rotating base is sequentially sleeved with a follow-up concentric outer shaft, a driving shaft and a follow-up concentric inner shaft which can rotate independently, the follow-up concentric outer shaft, the driving shaft and the follow-up concentric inner shaft can synchronously rotate, one side of the triple shaft structure is provided with a follow-up unlocking mechanism, and the follow-up unlocking mechanism is used for switching the synchronous or independent rotation state of the follow-up concentric outer shaft, the driving shaft and the follow-up concentric inner shaft, so that the problem of switching of the rotation modes of an optical fiber ring tool skeleton, a fiber dividing disc and an optical fiber guide assembly is solved.

Inventors

  • GUAN CHANG
  • GUO WEIHUA
  • HU SHAOFEI
  • CHENG JIALE
  • LIAN ZHENGGANG
  • PI YABIN

Assignees

  • 武汉长盈通光电技术股份有限公司

Dates

Publication Date
20260508
Application Date
20240429

Claims (6)

  1. 1. A multistage coaxial mechanism for optical fiber surrounding fibers is characterized by comprising a base frame (10), wherein a triple-axis structure (1) is arranged on the base frame (10), the triple-axis structure (1) comprises a triple-axis rotating base (101), the triple-axis rotating base (101) is connected with the base frame (10), a follow-up concentric outer shaft (103), a driving shaft (102) and a follow-up concentric inner shaft (104) which can rotate independently are sleeved on the inner side of the triple-axis rotating base (101) in sequence, the follow-up concentric outer shaft (103), the driving shaft (102) and the follow-up concentric inner shaft (104) can rotate synchronously, a follow-up unlocking mechanism (3) is arranged on one side of the triple-axis structure (1), and the follow-up unlocking mechanism (3) is used for switching synchronous or independent rotation states of the follow-up concentric outer shaft (103), the driving shaft (102) and the follow-up concentric inner shaft (104); the follow-up unlocking mechanism (3) comprises a linear driving module (301), a movable moving table (302) is arranged on the linear driving module (301), a pulling frame (303) is arranged on the moving table (302), an inner shaft locking mechanism (5) is arranged at one end of a follow-up concentric inner shaft (104), an outer shaft locking mechanism (6) is arranged at one end of a follow-up concentric outer shaft (103), and the pulling frame (303) is used for pulling the inner shaft locking mechanism (5) and the outer shaft locking mechanism (6); The locking mechanism comprises a movable tooth holder (308), a gear ring (310) is sleeved on the outer side of the driving shaft (102), the tooth holder (308) is abutted against the gear ring (310), the locking mechanism is provided with a pulled part (306), and the pulling frame (303) pulls the pulled part (306) to enable the tooth holder (308) to be separated from the gear ring (310); one end of the follow-up concentric outer shaft (103) is sleeved with a connecting sleeve (109), one end of the follow-up concentric inner shaft (104) is provided with a connecting block (108), one side of the connecting block (108) and one side of the connecting sleeve (109) are provided with a half-arc sleeve (110), a telescopic guide rod (307) is arranged in the half-arc sleeve (110), a tooth holder (308) is arranged at one end of the guide rod (307), the other end of the guide rod (307) is provided with a movable block (311), and a pulling frame (303) pulls the movable block (311); The pulling frame (303) is provided with two hook-shaped structures (304), the hook-shaped structures (304) are provided with wedge-shaped abutting surfaces (305), one end of each movable block (311) is provided with a cylindrical head (312), the wedge-shaped abutting surfaces (305) abut against the cylindrical heads (312), a first spring (309) is sleeved on the outer side of each guide rod (307), and two ends of each first spring (309) abut against the corresponding tooth holder (308) and the corresponding half-arc sleeve (110).
  2. 2. The multistage coaxial mechanism for optical fiber surrounding fiber according to claim 1, wherein a motor driving assembly (2) is arranged on the base frame (10), a second synchronizing wheel (201) is arranged at the shaft end of the motor driving assembly (2), a first synchronizing wheel (111) is arranged at the shaft end of the driving shaft (102), and transmission is carried out between the first synchronizing wheel (111) and the second synchronizing wheel (201) through a synchronizing belt.
  3. 3. The multistage coaxial mechanism for surrounding optical fibers according to claim 1, wherein one end of the follow-up concentric inner shaft (104) is provided with a clamping sleeve head (4), the clamping sleeve head (4) is circumferentially provided with a plurality of jacking blocks (402) which can radially stretch along the clamping sleeve head (4), the jacking blocks (402) are used for abutting against the inner wall of the optical fiber ring tool skeleton (8), the clamping sleeve head (4) is further provided with an end blocking sleeve (411), and the end blocking sleeve (411) is used for stopping the side wall of the optical fiber ring tool skeleton (8).
  4. 4. The multistage coaxial mechanism for surrounding optical fibers according to claim 1, wherein the clamping sleeve head (4) comprises a bearing sleeve (401), one end of the bearing sleeve (401) is provided with a stop shoulder (410), the side wall of the bearing sleeve (401) is provided with a plurality of sinking grooves (409) along the circumferential direction, each jacking block (402) is arranged in each sinking groove (409), one end, close to the inside of the bearing sleeve (401), of each jacking block (402) is provided with a connecting rod (407), the end of each connecting rod (407) is provided with a wedge block (406), an adjusting cylinder (403) is arranged in the bearing sleeve (401), a second spring (405) is arranged in the adjusting cylinder (403), a telescopic jacking head (404) capable of sliding along the axis of the bearing sleeve (401) is further arranged in the adjusting cylinder (403), and two ends of the second spring (405) respectively abut against the telescopic jacking head (404) and the adjusting cylinder (403), and the telescopic jacking head (404) abut against each wedge block (406).
  5. 5. The multistage coaxial mechanism for optical fiber encircling fiber according to claim 4, wherein the front end of the bearing sleeve (401) is provided with a small-diameter part, the end baffle sleeve (411) is in threaded connection with the outer wall of the small-diameter part, the end baffle sleeve (411) comprises an adjusting ring (412), an L-shaped cavity (413) is arranged in the adjusting ring (412), a top bead (417) is arranged in the L-shaped cavity (413) close to the outer wall of the adjusting ring (412), a top tightening block (414) and a rear baffle plug (416) are arranged in the L-shaped cavity (413), the top tightening block (414) abuts against the top bead (417), a third spring (415) is further arranged in the L-shaped cavity (413), two ends of the third spring (415) abut against the top tightening block (414) and the rear baffle plug (416) respectively, an arc-shaped groove (418) is formed in the side wall of the optical fiber ring tool skeleton (8), and the top bead (417) is clamped into the arc-shaped groove (418).
  6. 6. The multistage coaxial mechanism for optical fiber surrounding according to claim 5, wherein the back stopper (416) is provided with a communication nozzle (420) communicating with the L-shaped cavity (413), the communication nozzle (420) is provided with a communication pipe (421), and the communication pipe (421) is used for passing liquid.

Description

Multistage coaxial mechanism for optical fiber surrounding fiber Technical Field The invention relates to the field of optical fiber ring manufacturing, in particular to a multistage coaxial mechanism for optical fiber ring surrounding fibers. Background The optical fiber ring is widely applied to the fields of gyro inertial systems, sonar monitoring systems, power signal sensing and the like. The optical fiber ring can be divided into three categories from high to low according to precision and the like, namely a strategy level, an inertia level and a navigation level, and the core for determining the precision of the optical fiber ring is the length of the optical fiber and the winding process thereof. According to shupe effect, the optical fiber ring wound by the symmetrical process has better full-temperature stability, the symmetrical winding process necessarily involves dividing the optical fiber into two sections, respectively storing the two ends by adopting fiber dividing discs, and respectively winding the two ends of the optical fiber ring alternately by installing certain rules on the two fiber dividing discs, and can be seen in an automatic winding mechanism of the CN117647269B optical fiber ring. Based on the winding requirement, the optical fiber ring tool skeleton rotating shaft, the fiber dividing disc rotating shaft and the optical fiber guide assembly rotating shaft are required to be respectively configured, and the three groups of rotating shafts are coaxially arranged so as to realize automatic integration of optical fiber winding. Disclosure of Invention The invention provides a multistage coaxial mechanism for optical fiber surrounding fibers, which solves the problem of switching of rotating modes of an optical fiber ring tool skeleton, a fiber dividing disc and an optical fiber guide assembly. In order to solve the technical problems, the technical scheme is that the multi-stage coaxial mechanism for surrounding optical fibers is adopted, a base frame is provided with a triple shaft structure, the triple shaft structure comprises a triple shaft rotating base, the triple shaft rotating base is connected with the base frame, the inner side of the triple shaft rotating base is sequentially sleeved with a follow-up concentric outer shaft, a driving shaft and a follow-up concentric inner shaft which can rotate independently, the follow-up concentric outer shaft, the driving shaft and the follow-up concentric inner shaft can rotate synchronously, one side of the triple shaft structure is provided with a follow-up unlocking mechanism, and the follow-up unlocking mechanism is used for switching synchronous or independent rotation states of the follow-up concentric outer shaft, the driving shaft and the follow-up concentric inner shaft. In the preferred scheme, follow-up release mechanism includes the linear drive module, is equipped with mobilizable movable platform on the linear drive module, is equipped with the pulling frame on the movable platform, and the concentric interior axle one end of follow-up is equipped with interior axle locking mechanical system, and the concentric outer axle one end of follow-up is equipped with outer axle locking mechanical system, and the pulling frame is used for pulling interior axle locking mechanical system and outer axle locking mechanical system. In the preferred scheme, locking mechanical system includes movable toothholder, and the driving shaft outside cover has the ring gear, and the toothholder supports and leans on the ring gear, and locking mechanical system is equipped with by the pulling portion, and the pulling frame is pulled by the portion of being pulled so that the toothholder breaks away from with the ring gear. In the preferred scheme, one end of the follow-up concentric outer shaft is sleeved with a connecting sleeve, one end of the follow-up concentric inner shaft is provided with a connecting block, one side of the connecting block and one side of the connecting sleeve are provided with a half-arc sleeve, a telescopic guide rod is arranged in the half-arc sleeve, a tooth seat is arranged at one end of the guide rod, the other end of the guide rod is provided with a movable block, and the pulling frame pulls the movable block. In the preferred scheme, the pulling frame is provided with two hook-shaped structures, the hook-shaped structures are provided with wedge-shaped abutting surfaces, one end of each movable block is provided with a cylindrical head, the wedge-shaped abutting surfaces are abutted against the cylindrical heads, a first spring is sleeved on the outer side of each guide rod, and two ends of each first spring are abutted against the tooth holder and the half-arc sleeve respectively. In the preferred scheme, be equipped with motor drive assembly on the bed frame, motor drive assembly axle head is equipped with the second synchronizing wheel, and the driving shaft axle head is equipped with first synchronizing wheel