An optical fiber fusion splicing assist device and an operating method thereof

Abstract

The application discloses a kind of optical fiber fusion auxiliary device and its operating method, including workbench, both ends are foldably provided with support mechanism;Two guide rails, two The guide rails are respectively fixedly connected to the other two sides of the workbench outside, the clamping mechanism is adjustably arranged on the guide rail;Rectangular slot, it is opened in the top end of workbench middle part, the inside of the rectangular slot is provided with fixed mechanism.The application can realize the expansion support and folding storage of the whole device by the cooperation of outer link, inner link and pull rod, effectively solve the problem that traditional workbench cannot be folded, and the problem of inconvenient storage and transportation is improved. The adaptability and portability of device on-site construction.

Description

Technical Field

[0001] This invention relates to the field of optical fiber fusion splicing, specifically to an optical fiber fusion splicing auxiliary device and its operating method. Background Technology

[0002] Optical fiber communication, with its advantages of large transmission capacity, low transmission loss, and strong anti-interference capability, has become the core transmission carrier of modern communication networks and is widely used in various communication engineering scenarios such as communication base station construction, urban backbone network laying, rail transit communication, industrial and mining communication, and broadband access to homes. In the construction and maintenance of optical fiber networks, fiber optic splicing is a core and critical process, mainly involving the precise connection and fusion of two disconnected optical fiber segments to ensure the continuity and stability of the optical fiber link.

[0003] Fiber optic fusion splicing operations place high demands on the construction environment, cable fixing accuracy, and splice box placement stability. During construction, the splice box must be centered and fixed, while the cables to be spliced ​​on both sides must be neatly clamped and their lengths adjusted to ensure the orderly execution of processes such as fiber stripping, cleaning, precision cutting, splicing, and heat shrinking curing. To adapt to different operating scenarios such as outdoor, data center, and temporary field construction, the corresponding construction auxiliary equipment needs to be portable, quick to set up, stable in posture, and adaptable to different specifications of fiber optic cables and splice boxes, providing hardware support for standardized and efficient fiber optic fusion splicing.

[0004] In existing technologies, only a basic workbench is set up as the operating carrier for fiber optic fusion splicing. There is currently no special auxiliary device for fixing cables and junction boxes during fiber optic fusion splicing operations. On-site construction can only rely on manual support and simple binding to temporarily fix optical cables and junction boxes. There is no standardized positioning and clamping structure, resulting in poor operational stability. Cable deviation and junction box shaking can easily affect the accuracy of fiber optic fusion splicing and the construction quality. Summary of the Invention

[0005] The purpose of this invention is to provide an optical fiber fusion splicing auxiliary device and its operation method to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A fiber optic fusion splicing auxiliary device, comprising

[0008] The workbench has foldable support mechanisms at both ends;

[0009] Two guide rails are fixedly connected to the other two sides of the worktable, and clamping mechanisms are adjustablely provided on the guide rails.

[0010] A rectangular groove is formed at the top center of the workbench, and a fixing mechanism is provided inside the rectangular groove.

[0011] Furthermore, the support mechanism includes fixed sleeves respectively hinged to the outside of both ends of one side of the worktable. An outer connecting rod is fixedly connected to the end of each fixed sleeve away from the worktable. A waist-shaped groove is formed along the length of the side of the worktable near the fixed sleeves. An inner connecting rod is provided between the worktable and the outer connecting rod. A sliding pin is fixedly connected to one end of the inner connecting rod, and the sliding pin slides in conjunction with the waist-shaped groove. The middle part of the inner connecting rod is hinged to one end of the outer connecting rod via a hinge shaft. A pull rod is adjustablely provided at the end of the outer connecting rod away from the fixed sleeves. A waist-shaped insert plate is fixedly connected to one end of the pull rod near the outer connecting rod. A waist-shaped insertion hole matching the waist-shaped insert plate is opened at one end of the outer connecting rod near the pull rod. A threaded hole is opened on the side wall of the end of the outer connecting rod near the pull rod, and a positioning screw is threaded into the threaded hole. Both ends of the waist-shaped insert plate have insertion holes matching the positioning screw. Limiting grooves are also opened on the inner walls of both sides of the waist-shaped insertion hole. Limiting blocks are fixedly connected to both ends of the side of the waist-shaped insert plate away from the pull rod. The limiting blocks slide with the limiting grooves.

[0012] Furthermore, when the positioning screw is inserted into the insertion hole near the end of the pull rod of the waist-shaped insert plate, the sum of the lengths of the pull rod and the outer connecting rod is equal to the length of the inner connecting rod, and a crossbar is fixedly connected between the ends of the two inner connecting rods away from the sliding pin and between the ends of the two pull rods away from the outer connecting rod.

[0013] Furthermore, the clamping mechanism includes a dovetail groove along the length of the guide rail. A sliding seat is provided on the side of the guide rail away from the worktable. A dovetail block is fixedly connected to the side of the sliding seat near the guide rail. The dovetail block slides in conjunction with the dovetail groove. A threaded hole is provided through the middle of the dovetail block and the sliding seat. A locking screw is threaded into the threaded hole. A shaft is fixedly connected to one side of the sliding seat. A flip-up frame is provided on one side of the shaft. A clamping rod is fixedly connected to the end of the flip-up frame away from the shaft. A rectangular groove is provided at the end of the flip-up frame away from the clamping rod. An adjusting screw is rotatably connected to the rectangular groove through a bearing. A slider slides in the rectangular groove. A threaded hole is provided in the middle of the slider, which is threaded in conjunction with the adjusting screw. A clamping rod is fixedly connected to the side of the slider near the clamping rod. The axes of the clamping rod and the clamping rod are parallel to each other. Both the clamping rod and the clamping rod are V-shaped.

[0014] Furthermore, the outer connecting rod, the inner connecting rod, and the waist-shaped sliding groove are all provided with insertion holes two. When the outer connecting rod and the inner connecting rod are folded, the positioning screw is coaxial with any one of the insertion holes one and insertion holes two.

[0015] Furthermore, a sleeve is fixedly connected to the end of the shaft bracket away from the flipping frame. A through hole is formed between the sleeve and the shaft bracket. An insert rod is slidably inserted through the through hole. The end of the insert rod away from the sleeve is fixedly connected to the flipping frame. Several bosses are evenly distributed and fixedly connected to the side wall of the insert rod near the flipping frame along the circumference. A groove matching the bosses is formed along the circumference on the side of the shaft bracket near the flipping frame. A sliding ring is fixedly connected to the end of the insert rod away from the flipping frame. An annular groove is formed on the inner wall of the sleeve. The sliding ring slides in conjunction with the annular groove. A second spring is movably sleeved on the outside of the insert rod. The two ends of the second spring abut against the sliding ring and the shaft bracket, respectively.

[0016] Furthermore, the fixing mechanism includes a sliding plate one and a sliding plate two that are slidably fitted at both ends of the rectangular groove. Positioning pin one is fixedly connected to both ends of the sliding plate one, and positioning pin two is fixedly connected to the middle of the sliding plate two. An installation groove is provided on the outer side of the worktable near the rectangular groove. A synchronous shaft is rotatably connected to the installation groove via a bearing. A positioning disk is fixedly connected to one end of the synchronous shaft. A retainer is also fixedly connected to one side of the installation groove, and an elastic retainer is engaged on the retainer. Arc-shaped grooves are evenly distributed along the circumference of the sidewall of the positioning disk, and the elastic retainer engages with any of the arc-shaped grooves. A dovetail groove two is provided in the middle of the rectangular groove. A dovetail block two is fixedly connected to one end of both the sliding plate one and the sliding plate two. A drive connecting rod is fixedly connected to the sidewall of the dovetail block two away from the installation groove. The free end of the drive connecting rod is hinged to the synchronous shaft.

[0017] Furthermore, a splined shaft is fixedly connected to the end of the positioning disk away from the synchronous shaft, and an eccentric disk is provided on the outer side of the worktable near the rectangular groove. A spline groove that connects to the splined shaft is opened at the eccentric position of the eccentric disk. A threaded hole is opened at the end of the splined shaft away from the positioning disk, and a clamping bolt is threadedly connected to the threaded hole. A handle is fixedly connected to one end of the side wall of the eccentric disk, and a limit ring is fixedly connected to the outer periphery of the end of the splined shaft near the positioning disk.

[0018] Furthermore, a cylinder is fixedly connected to each of the two dovetail blocks 2 facing each other, and a spring 1 is movably sleeved between the two cylinders, with the two ends of the spring 1 abutting against the facing sides of the two dovetail blocks 2 respectively.

[0019] An operating method for an optical fiber fusion splicing auxiliary device, applicable to any one of the optical fiber fusion splicing auxiliary devices described above, includes the following steps:

[0020] Step 1: Loosen the positioning screw to disengage it from the slot 2 of the waist-shaped slide and the inner connecting rod, unlock the support mechanism, slide the sliding pin to drive the inner connecting rod and the outer connecting rod to rotate and unfold, adjust the position of the waist-shaped insert plate and lock it with the positioning screw in the slot 1, so that the total length of the pull rod and the outer connecting rod matches the length of the inner connecting rod, and adjust the worktable to the horizontal working state.

[0021] Step 2: Place the optical cable junction box between positioning pin 1 and positioning pin 2 in the middle of the workbench, rotate the eccentric disk, and drive the connecting rod through the spline shaft, positioning disk and synchronous shaft to move the sliding plate 1 to slide. At the same time, the eccentric disk directly pushes the sliding plate 2, so that the two sets of sliding plates move towards each other to clamp the junction box. After stopping the rotation, the elastic clip is inserted into the arc groove of the positioning disk to lock the angle, thus completing the fixing of the junction box.

[0022] Step 3: Pull the insertion rod to compress the second spring, causing the boss to disengage from the shaft bracket groove and unlock the flipping frame. Rotate the flipping frame 90° to switch to a vertical working posture. After releasing the insertion rod, the second spring returns to its original position, and the boss is locked into the groove. Place the two sections of optical cable to be spliced ​​between the first and second clamping rollers on both sides, respectively. Rotate the adjusting screw to drive the slider to move, causing the second clamping roller to approach the first clamping roller and clamp the optical cable, thus completing the optical cable positioning and clamping.

[0023] Step 4: Adjust the position of the sliding seat laterally to adjust the reserved length of the optical cable and lock it in place. Insert the two ends of the optical cable into the junction box and fix the optical cable reinforcing core and outer sheath. Then, complete the optical cable stripping, fiber cleaning, precision cutting, fusion splicing, and heat shrink curing of the fusion splice in sequence. Finally, complete the fiber coiling of the junction box, OTDR link testing, and sealing and encapsulation.

[0024] Step 5: After construction is completed, rotate the adjusting screw in the opposite direction to release the optical cable, pull the plug rod to unlock and reset the flip frame to a horizontal storage position, loosen the positioning screw, pull the outer waist-shaped plug plate to unlock the support mechanism, so that the inner and outer connecting rods rotate and close to the worktable, and finally insert the positioning screw into the second plug hole to lock, completing the folding and storage of the device.

[0025] Compared with the prior art, the beneficial effects of the present invention are:

[0026] 1. This invention, through the combined use of external connecting rods, internal connecting rods and pull rods, enables the overall unfolding support and folding storage of the device, effectively solving the problems of traditional workbenches being unable to be folded and inconvenient to transport and store, and improving the device's on-site construction adaptability and portability.

[0027] 2. This invention, through the combined use of clamping roller one, clamping roller two, and adjusting screw, can adaptively clamp and position optical cables of different specifications, effectively avoiding cable displacement and shaking during fusion splicing construction, and solving the problem of poor stability of traditional manual binding and fixing.

[0028] 3. The present invention, through the combined use of sliding plate one, sliding plate two and positioning pin one, can center and clamp the junction box in both directions, effectively preventing the junction box from shifting or loosening during construction and ensuring the smooth progress of fiber optic splicing operations. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0030] Figure 2 This is a schematic diagram of the pull-out rod installation structure of the present invention;

[0031] Figure 3 This is a schematic diagram of the sliding seat mounting structure of the present invention;

[0032] Figure 4 This is a schematic diagram of the slider mounting structure of the present invention;

[0033] Figure 5 This is a schematic cross-sectional view of the worktable structure of the present invention;

[0034] Figure 6 This is a schematic cross-sectional view of the pull-out rod structure of the present invention;

[0035] Figure 7 This is a schematic diagram of the elastic clip mounting structure of the present invention;

[0036] Figure 8 For the present invention Figure 4 An enlarged view of point A in the diagram;

[0037] Figure 9 For the present invention Figure 5 Enlarged diagram of point B in the diagram;

[0038] Figure 10 For the present invention Figure 6 An enlarged diagram of point C in the diagram.

[0039] In the diagram: 1. Workbench; 2. Guide rail; 3. Rectangular groove; 4. Fixing sleeve; 5. Outer connecting rod; 6. Oval slide groove; 7. Inner connecting rod; 8. Sliding pin; 9. Pull-out rod; 10. Oval insert plate; 11. Oval insertion hole; 12. Positioning screw; 13. Insertion hole one; 14. Limiting groove; 15. Limiting block; 16. Crossbar; 17. Dovetail slide groove one; 18. Sliding seat; 19. Dovetail block one; 20. Locking screw; 21. Shaft bracket; 22. Tilting frame; 23. Clamping roller one; 24. Rectangular slide groove; 25. Adjusting screw; 26. Slider; 27. Clamping roller two; 28. Sleeve; 29. 30. Through hole; 31. Insert rod; 32. Boss; 33. Groove; 34. Sliding ring; 35. Annular groove; 36. Spring 2; 37. Sliding plate 1; 38. Sliding plate 2; 39. Positioning pin 1; 40. Positioning pin 2; 41. Mounting groove; 42. Synchronous shaft; 43. Positioning plate; 44. Card holder; 45. Arc groove; 46. Dovetail groove 2; 47. Dovetail block 2; 48. Drive connecting rod; 49. Splined shaft; 50. Eccentric plate; 51. Spline groove; 52. Clamping bolt; 53. Handle; 54. Limiting ring; 55. Spring 1; 56. Insertion hole 2; 57. Elastic chuck. Detailed Implementation

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] like Figure 1 , Figure 2 , Figure 6 and Figure 10 As shown, the present invention provides a technical solution:

[0042] A fiber optic fusion splicing auxiliary device includes a worktable 1, both ends of which are foldably equipped with support mechanisms. Each support mechanism includes fixed sleeves 4 hinged to the outside of one end of the worktable 1. External connecting rods 5 are fixedly connected to the ends of the two fixed sleeves 4 away from the worktable 1. A waist-shaped groove 6 is formed along the length of the worktable 1 near the fixed sleeves 4. An inner connecting rod 7 is provided between the worktable 1 and the external connecting rods 5. A sliding pin 8 is fixedly connected to one end of the inner connecting rod 7, and the sliding pin 8 slides in engagement with the waist-shaped groove 6. The middle of the inner connecting rod 7 is hinged to one end of the outer connecting rod 5 via a hinge shaft. A pull rod 9 is adjustablely provided at the end of the outer connecting rod 5 away from the fixed sleeves 4. A waist-shaped insert plate 10 is fixedly connected to the end of the pull rod 9 near the outer connecting rod 5. A groove is formed at the end of the outer connecting rod 5 near the pull rod 9 that is aligned with the waist-shaped groove 10. The insert plate 10 has a matching waist-shaped insertion hole 11. The outer connecting rod 5 has a threaded hole on the side wall near the pull rod 9. The threaded hole is threaded with a positioning screw 12. Both ends of the waist-shaped insert plate 10 have insertion holes 13 that match the positioning screw 12. Limiting grooves 14 are also provided on the inner walls of both sides of the waist-shaped insertion hole 11. Limiting blocks 15 are fixedly connected to both ends of the side of the waist-shaped insert plate 10 away from the pull rod 9. The limiting blocks 15 slide with the limiting grooves 14. When the positioning screw 12 is inserted into the insertion hole 13 near the pull rod 9 of the waist-shaped insert plate 10, the sum of the lengths of the pull rod 9 and the outer connecting rod 5 is equal to the length of the inner connecting rod 7. A crossbar 16 is fixedly connected between the ends of the two inner connecting rods 7 away from the sliding pin 8 and between the ends of the two pull rods 9 away from the outer connecting rod 5.

[0043] Preferably, the sliding pin 8 is a cylindrical wear-resistant pin, and the outer wall of the sliding pin 8 is covered with a polytetrafluoroethylene wear-resistant bushing.

[0044] Preferably, when the device is in the folded storage state, the crossbar 16 connecting the two pull rods 9 can be used as a handle to facilitate the operator to move the device as a whole.

[0045] In this embodiment, the outer connecting rod 5, the inner connecting rod 7 and the pull rod 9 are used in combination to realize the overall unfolding support and folding storage of the device, effectively solving the problem that the traditional workbench 1 cannot be folded and is inconvenient to transport and store, and improving the on-site construction adaptability and portability of the device.

[0046] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 8As shown, two guide rails 2 are fixedly connected to the other two sides of the worktable 1. A clamping mechanism is adjustablely provided on each guide rail 2. The clamping mechanism includes a dovetail groove 17 extending along the length of the guide rail 2. A sliding seat 18 is provided on the side of the guide rail 2 away from the worktable 1. A dovetail block 19 is fixedly connected to the side of the sliding seat 18 closest to the guide rail 2. The dovetail block 19 slides in conjunction with the dovetail groove 17. A through-hole is formed between the dovetail block 19 and the sliding seat 18. A threaded hole is provided, with a locking screw 20 threaded inside. A shaft bracket 21 is fixedly connected to one side of the sliding seat 18. A flip-up bracket 22 is rotatably provided on one side of the shaft bracket 21. A clamping rod 23 is fixedly connected to the end of the flip-up bracket 22 away from the shaft bracket 21. A rectangular slide groove 24 is provided at the end of the flip-up bracket 22 away from the clamping rod 23. An adjusting screw 25 is rotatably connected to the rectangular slide groove 24 via a bearing. A slider 26 is slidably fitted within the rectangular slide groove 24. A groove is provided in the middle of the slider 26 that engages with the adjusting screw. The threaded hole of rod 25 is threaded. A second clamping rod 27 is fixedly connected to the side of slider 26 near the first clamping rod 23. The axes of the first clamping rod 23 and the second clamping rod 27 are parallel to each other. Both the first clamping rod 23 and the second clamping rod 27 are V-shaped. A sleeve 28 is fixedly connected to the end of shaft bracket 21 away from the flipping frame 22. A through hole 29 is formed between the sleeve 28 and the shaft bracket 21. An insert rod 30 slides through the through hole 29. The end of the insert rod 30 away from the sleeve 28 is fixedly connected to the flipping frame 22. The end of the insert rod 30 near the flipping frame 22... A number of protrusions 31 are evenly distributed and fixedly connected to one side wall of the rotating frame 22 along the circumference. The side of the shaft frame 21 near the rotating frame 22 is provided with a groove 32 that matches the protrusions 31 along the circumference. The end of the insertion rod 30 away from the rotating frame 22 is fixedly connected to a sliding ring 33. The inner wall of the sleeve 28 is provided with an annular groove 34. The sliding ring 33 and the annular groove 34 are slidably engaged. The outside of the insertion rod 30 is movably sleeved with a second spring 35. The two ends of the second spring 35 abut against the sliding ring 33 and the shaft frame 21, respectively.

[0047] As a preferred option, anti-slip silicone pads are bonded to the inner walls of the V-shaped clamping grooves of clamping rod 23 and clamping rod 27.

[0048] Preferably, the number of bosses 31 and grooves 32 are both 4 sets and are evenly distributed along the circumference.

[0049] In this embodiment, by using clamping roller 1 23, clamping roller 27 and adjusting screw 25 together, optical cables of different specifications can be adaptively clamped and positioned, effectively avoiding cable displacement and shaking during splicing construction, and solving the problem of poor stability of traditional manual binding and fixing.

[0050] like Figure 1 , Figure 2 , Figure 5 , Figure 7 and Figure 9As shown, a rectangular groove 3 is located at the top center of the workbench 1. A fixing mechanism is installed inside the rectangular groove 3, including a sliding plate 36 and a sliding plate 37 that are slidably fitted at both ends of the rectangular groove 3. Positioning pins 38 are fixedly connected to both ends of the sliding plate 36, and positioning pins 39 are fixedly connected to the middle of the sliding plate 37. An installation groove 40 is provided on the outer side of the workbench 1 near the rectangular groove 3. A synchronous shaft 41 is rotatably connected to the installation groove 40 via a bearing. A positioning disk 42 is fixedly connected to one end of the synchronous shaft 41. A retaining seat 43 is also fixedly connected to one side of the installation groove 40, and an elastic retaining head 56 is engaged on the retaining seat 43. Arc-shaped grooves 44 are evenly distributed along the circumference of the side wall of the positioning disk 42, and the elastic retaining head 56 engages with any of the arc-shaped grooves 44. A dovetail groove 45 is provided in the middle of the rectangular groove 3, and dovetail grooves 45 are fixedly connected to one end of both the sliding plate 36 and the sliding plate 37. The dovetail block 46, on the side away from the mounting groove 40, has a drive linkage 47 fixedly connected to its side wall. The free end of the drive linkage 47 is hinged to the synchronous shaft 41. The end of the positioning plate 42 away from the synchronous shaft 41 is fixedly connected to a spline shaft 48. An eccentric plate 49 is provided on the outside of the worktable 1 near the rectangular groove 3. A spline groove 50 is provided at the eccentric position of the eccentric plate 49, which is splined to the spline shaft 48. A threaded hole is provided at the end of the spline shaft 48 away from the positioning plate 42. A clamping bolt 51 is threaded into the threaded hole. A handle 52 is fixedly connected to one end of the side wall of the eccentric plate 49. A limit ring 53 is fixedly connected to the outer periphery of the end of the spline shaft 48 near the positioning plate 42. A cylinder is fixedly connected to the opposite side of the two dovetail blocks 46. A spring 54 is movably sleeved between the two cylinders. The two ends of the spring 54 abut against the opposite side of the two dovetail blocks 46 respectively.

[0051] As a preferred option, the top surface of the workbench 1 is covered with an anti-static rubber pad;

[0052] In this embodiment, the joint use of sliding plate 36, sliding plate 37 and positioning pin 38 can center and clamp the junction box, effectively preventing the junction box from shifting or loosening during construction and ensuring the smooth progress of fiber optic splicing operations.

[0053] An operating method for an optical fiber fusion splicing auxiliary device, applicable to the optical fiber fusion splicing auxiliary device, includes the following steps:

[0054] Step 1: Loosen the positioning screw 12 to disengage it from the insertion hole 55 of the waist-shaped slide 6 and the inner connecting rod 7, unlock the support mechanism, slide the sliding pin 8 to drive the inner connecting rod 7 and the outer connecting rod 5 to rotate and unfold, adjust the position of the waist-shaped insert plate 10 and lock it with the positioning screw 12 and the insertion hole 13, so that the total length of the pull rod 9 and the outer connecting rod 5 matches the length of the inner connecting rod 7, and adjust the worktable 1 to the horizontal working state;

[0055] Step 2: Place the optical cable splice box between positioning pin 38 and positioning pin 39 in the middle of the workbench 1. Rotate the eccentric disk 49. The connecting rod 47 driven by the spline shaft 48, positioning disk 42 and synchronous shaft 41 drives the sliding plate 36 to slide. At the same time, the eccentric disk 49 directly pushes the sliding plate 37, so that the two sets of sliding plates move towards each other and clamp the splice box. After stopping the rotation, the elastic clip 56 is engaged in the arc groove 44 of the positioning disk 42 to lock the angle, thus completing the fixing of the splice box.

[0056] Step 3: Pull the insertion rod 30 to compress the second spring 35, causing the boss 31 to disengage from the groove 32 of the shaft frame 21 and unlock the flipping frame 22. Flip the flipping frame 22 90° to switch to a vertical working posture. After releasing the insertion rod 30, the second spring 35 returns to its original position, and the boss 31 is locked into the groove 32. Place the two sections of optical cable to be spliced ​​between the first clamping rod 23 and the second clamping rod 27 on both sides, respectively. Rotate the adjusting screw 25 to drive the slider 26 to move, causing the second clamping rod 27 to approach the first clamping rod 23 to clamp the optical cable, thus completing the optical cable positioning and clamping.

[0057] Step 4: Adjust the position of the sliding seat 18 laterally to adjust the reserved length of the optical cable and lock it in place. Insert the two ends of the optical cable into the junction box and fix the optical cable reinforcing core and outer sheath. Then, complete the optical cable stripping, fiber cleaning, precision cutting, fusion splicing, and heat shrink curing of the fusion splice point in sequence. Finally, complete the fiber coiling of the junction box, OTDR link testing, and sealing and encapsulation.

[0058] Step 5: After construction is completed, rotate the adjusting screw 25 in the opposite direction to release the optical cable, pull the plug rod 30 to unlock and reset the flip frame 22 to a horizontal storage position, loosen the positioning screw 12, pull the waist-shaped plug plate 10 to unlock the support mechanism, so that the inner connecting rod 7 and the outer connecting rod 5 rotate and close to the worktable 1, and finally insert the positioning screw 12 into the plug hole 2 55 to lock, thus completing the folding and storage of the device.

[0059] Working principle: When this device is in operation, first loosen the positioning screw 12 so that the end of the positioning screw 12 is disengaged from the second insertion hole 55 of the waist-shaped slide groove 6 and the inner connecting rod 7, releasing the locking state of the inner connecting rod 7 and the outer connecting rod 5. The sliding pin 8 slides along the waist-shaped slide groove 6 of the worktable 1, causing the inner connecting rod 7 and the outer connecting rod 5 to rotate relative to each other around the hinge axis, so that the worktable 1 and the sliding pin 8 are separated at both ends. At this time, the combined length of the pull rod 9 and the outer connecting rod 5 is greater than the length of the inner connecting rod 7. Unscrew the positioning screw 12 so that it is disengaged from the current insertion hole 13, and push the waist-shaped insert plate 10 to the limit stroke position of the waist-shaped insertion hole 11. After the other set of insertion holes 13 and the positioning screw 12 are coaxially aligned, tighten the positioning screw 12 and insert it into the corresponding insertion hole 13 to achieve rigid locking of the pull rod 9 and the outer connecting rod 5, so that the combined length of the pull rod 9 and the outer connecting rod 5 is matched with the length of the inner connecting rod 7, ensuring that the worktable 1 is in a horizontal working posture after unfolding. The fiber optic splice box is then placed between positioning pin 38 and positioning pin 39. The handle 52 drives the eccentric disk 49 to rotate. The eccentric disk 49 drives the positioning disk 42 to rotate via the spline shaft 48. The positioning disk 42 drives the drive linkage 47 via the synchronous shaft 41. The drive linkage 47 pulls the dovetail block 46 corresponding to the sliding plate 36 to slide along the dovetail groove 45 toward the sliding plate 37. At the same time, the surface of the eccentric disk 49 directly pushes the sliding plate 37 toward the sliding plate 36, making the sliding plate 36 and the sliding plate 37 move in opposite directions. The compressed spring 54, together with the two sets of positioning pins 38 and the one set of positioning pins 39, forms an opposing clamping grip on the fiber optic splice box. After the rotation stops, the elastic clip 56 is locked into the arc groove 44 corresponding to the positioning disk 42 to achieve angle locking, maintain a stable clamping posture, and achieve a centered and stable fixation of the fiber optic splice box. Pulling the flipping frame 22 outward causes the insertion rod 30 to compress the second spring 35, causing the boss 31 at the end of the insertion rod 30 to disengage from the groove 32 of the shaft frame 21, releasing the circumferential lock of the flipping frame 22, and flipping the flipping frame 22 ninety degrees, switching from a storage posture parallel to the worktable 1 to an operating posture perpendicular to the worktable 1. After releasing the insertion rod 30, the second spring 35 elastically resets and pushes the insertion rod 30 back into place, causing the boss 31 to re-engage into the corresponding groove 32, thus realizing the circumferential positioning and posture locking of the flipping frame 22. Next, the optical cable is inserted into the clamping gap between clamp 23 and clamp 27. The adjusting screw 25 is rotated to drive the slider 26 to slide linearly along the rectangular slide groove 24, which in turn drives clamp 27 to move closer to clamp 23, thus completing the clamping and positioning of the optical cable sheath. The positioned optical cable is then stripped layer by layer and pre-inserted with a heat-shrinkable protective sleeve. The same method is used to complete the clamping and pre-treatment of another set of optical cables to be spliced. The ends of the two optical cables to be spliced ​​are then inserted into the junction box.Subsequently, the fiber coating stripping, dust-free alcohol cleaning, and fiber precision cutting processes were independently completed. The prepared qualified optical fibers were fed into the fusion splicer for splicing. The pre-inserted heat-shrinkable protective sleeve was pushed to cover the splice point and heat-cured. While maintaining the stable state of the optical cable clamp, the splice box fiber coiling, OTDR link loss detection, and splice box sealing were completed in sequence. After construction, the adjusting screw 25 was rotated to release the clamping rollers and release the optical cable. The insertion rod 30 was pulled to unlock the flip frame 22 and reset it to a storage position parallel to the worktable 1. The positioning screw 12 was loosened and the waist-shaped insertion plate 10 was pulled outward to release the length lock of the support mechanism. The inner connecting rod 7 and the outer connecting rod 5 rotated around the hinge axis and closed to fit against the worktable 1. Finally, the positioning screw 12 was inserted into the second insertion hole 55 to lock and store the support mechanism, realizing the overall folding and reset of the device.

[0060] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fiber optic fusion splicing auxiliary device, characterized in that: include The workbench (1) has foldable support mechanisms at both ends; Two guide rails (2) are fixedly connected to the other two sides of the workbench (1), and clamping mechanisms are adjustablely provided on the guide rails (2). A rectangular groove (3) is provided at the top center of the workbench (1), and a fixing mechanism is provided inside the rectangular groove (3).

2. The optical fiber fusion splicing auxiliary device according to claim 1, characterized in that: The support mechanism includes fixed sleeves (4) hinged to the outside of both ends of one side of the workbench (1). The ends of the two fixed sleeves (4) away from the workbench (1) are fixedly connected to external connecting rods (5). A waist-shaped groove (6) is formed along the length of the side of the workbench (1) near the fixed sleeves (4). An inner connecting rod (7) is provided between the workbench (1) and the external connecting rods (5). One end of the inner connecting rod (7) is fixedly connected to a sliding pin (8), which slides in cooperation with the waist-shaped groove (6). The middle part of the inner connecting rod (7) is hinged to one end of the external connecting rod (5) via a hinge shaft. A pull rod (9) is adjustablely provided at the end of the external connecting rod (5) away from the fixed sleeves (4). The pull rod (9) is close to... One end of the outer connecting rod (5) is fixedly connected to a waist-shaped insert plate (10). The end of the outer connecting rod (5) near the pull rod (9) is provided with a waist-shaped insertion hole (11) that matches the waist-shaped insert plate (10). The side wall of the end of the outer connecting rod (5) near the pull rod (9) is provided with a threaded hole. A positioning screw (12) is threaded into the threaded hole. Both ends of the waist-shaped insert plate (10) are provided with insertion holes (13) that match the positioning screw (12). Limiting grooves (14) are also provided on the inner walls of both sides of the waist-shaped insertion hole (11). Limiting blocks (15) are fixedly connected to both ends of the side of the waist-shaped insert plate (10) away from the pull rod (9). The limiting blocks (15) and the limiting grooves (14) slide together.

3. The optical fiber fusion splicing auxiliary device according to claim 2, characterized in that: When the positioning screw (12) is inserted into the insertion hole (13) of the waist-shaped insert plate (10) near the end of the pull rod (9), the sum of the lengths of the pull rod (9) and the outer connecting rod (5) is equal to the length of the inner connecting rod (7). A crossbar (16) is fixedly connected between the ends of the two inner connecting rods (7) away from the sliding pin (8) and between the ends of the two pull rods (9) away from the outer connecting rod (5).

4. The optical fiber fusion splicing auxiliary device according to claim 3, characterized in that: The clamping mechanism includes a dovetail groove (17) extending along the length of the guide rail (2). A sliding seat (18) is provided on the side of the guide rail (2) away from the worktable (1). A dovetail block (19) is fixedly connected to the side of the sliding seat (18) near the guide rail (2). The dovetail block (19) slides with the dovetail groove (17). A threaded hole is provided between the middle of the dovetail block (19) and the sliding seat (18). A locking screw (20) is threaded into the threaded hole. A shaft bracket (21) is fixedly connected to one side of the sliding seat (18). A flip-mount bracket (22) is provided on one side of the shaft bracket (21) for flipping. The end of the frame (22) away from the shaft frame (21) is fixedly connected to a clamping rod (23). The end of the flipping frame (22) away from the clamping rod (23) is provided with a rectangular slide groove (24). An adjusting screw (25) is rotatably connected in the rectangular slide groove (24) through a bearing. A slider (26) is slidably fitted in the rectangular slide groove (24). A threaded hole is provided in the middle of the slider (26) that is threadedly fitted with the adjusting screw (25). A clamping rod (27) is fixedly connected to the side of the slider (26) near the clamping rod (23). The axes of the clamping rod (23) and the clamping rod (27) are parallel to each other. Both the clamping rod (23) and the clamping rod (27) are V-shaped.

5. The optical fiber fusion splicing auxiliary device according to claim 4, characterized in that: The outer connecting rod (5), the inner connecting rod (7), and the waist-shaped sliding groove (6) are all provided with the second insertion hole (55). When the outer connecting rod (5) and the inner connecting rod (7) are folded, the positioning screw (12) is coaxial with any one of the insertion holes (13) and the second insertion hole (55).

6. The optical fiber fusion splicing auxiliary device according to claim 5, characterized in that: A sleeve (28) is fixedly connected to the end of the shaft bracket (21) away from the flipping frame (22). A through hole (29) is formed between the sleeve (28) and the shaft bracket (21). A rod (30) is slidably inserted in the through hole (29). The end of the rod (30) away from the sleeve (28) is fixedly connected to the flipping frame (22). Several bosses (31) are evenly distributed and fixedly connected to the side wall of the end of the rod (30) near the flipping frame (22) along the circumference. The shaft bracket (21) near the flipping frame (22) A groove (32) matching the boss (31) is provided on one side of the circumferential direction. A sliding ring (33) is fixedly connected to one end of the insert rod (30) away from the flipping frame (22). An annular groove (34) is provided on the inner wall of the sleeve (28). The sliding ring (33) slides in cooperation with the annular groove (34). A spring (35) is movably sleeved on the outside of the insert rod (30). The two ends of the spring (35) abut against the sliding ring (33) and the shaft frame (21) respectively.

7. The optical fiber fusion splicing auxiliary device according to claim 6, characterized in that: The fixing mechanism includes a sliding plate 1 (36) and a sliding plate 2 (37) that are slidably fitted at both ends of the rectangular groove (3). Positioning pin 1 (38) is fixedly connected to both ends of the sliding plate 1 (36), and positioning pin 2 (39) is fixedly connected to the middle of the sliding plate 2 (37). An installation groove (40) is provided on the outer side of the worktable (1) near the rectangular groove (3). A synchronous shaft (41) is rotatably connected to the installation groove (40) via a bearing. A positioning plate (42) is fixedly connected to one end of the synchronous shaft (41), and a card holder is also fixedly connected to one side of the installation groove (40). 43), the card holder (43) is fitted with an elastic card head (56), the side wall of the positioning disk (42) is evenly provided with arc grooves (44) along the circumference, the elastic card head (56) is fitted with any of the arc grooves (44), the middle part of the rectangular groove (3) is provided with a dovetail slide groove two (45), one end of the sliding plate one (36) and the sliding plate two (37) are fixedly connected with a dovetail block two (46), the side wall of the dovetail block two (46) away from the mounting groove (40) is fixedly connected with a driving link (47), the free end of the driving link (47) is hinged to the synchronous shaft (41).

8. The optical fiber fusion splicing auxiliary device according to claim 7, characterized in that: The positioning disk (42) is fixedly connected to a splined shaft (48) at one end away from the synchronous shaft (41). An eccentric disk (49) is provided on the outside of the worktable (1) near the rectangular groove (3). A spline groove (50) is provided at the eccentric position of the eccentric disk (49) to be splined and connected to the splined shaft (48). A threaded hole is provided at one end of the splined shaft (48) away from the positioning disk (42). A clamping bolt (51) is threaded onto the threaded hole. A handle (52) is fixedly connected to one end of the side wall of the eccentric disk (49). A limit ring (53) is fixedly connected to the outer periphery of the end of the splined shaft (48) near the positioning disk (42).

9. The optical fiber fusion splicing auxiliary device according to claim 8, characterized in that: A cylinder is fixedly connected to each of the two dovetail blocks (46) on opposite sides, and a spring (54) is movably sleeved between the two cylinders. The two ends of the spring (54) abut against the opposite sides of the two dovetail blocks (46) respectively.

10. A method for operating an optical fiber fusion splicing auxiliary device, applied to the optical fiber fusion splicing auxiliary device according to any one of claims 1-9, characterized in that: Includes the following steps: Step 1: Loosen the positioning screw to disengage it from the slot 2 of the waist-shaped slide and the inner connecting rod, unlock the support mechanism, slide the sliding pin to drive the inner connecting rod and the outer connecting rod to rotate and unfold, adjust the position of the waist-shaped insert plate and lock it with the positioning screw in the slot 1, so that the total length of the pull rod and the outer connecting rod matches the length of the inner connecting rod, and adjust the worktable to the horizontal working state. Step 2: Place the optical cable junction box between positioning pin 1 and positioning pin 2 in the middle of the workbench, rotate the eccentric disk, and drive the connecting rod through the spline shaft, positioning disk and synchronous shaft to move the sliding plate 1 to slide. At the same time, the eccentric disk directly pushes the sliding plate 2, so that the two sets of sliding plates move towards each other to clamp the junction box. After stopping the rotation, the elastic clip is inserted into the arc groove of the positioning disk to lock the angle, thus completing the fixing of the junction box. Step 3: Pull the insertion rod to compress the second spring, causing the boss to disengage from the shaft bracket groove and unlock the flipping frame. Rotate the flipping frame 90° to switch to a vertical working posture. After releasing the insertion rod, the second spring returns to its original position, and the boss is locked into the groove. Place the two sections of optical cable to be spliced ​​between the first and second clamping rollers on both sides, respectively. Rotate the adjusting screw to drive the slider to move, causing the second clamping roller to approach the first clamping roller and clamp the optical cable, thus completing the optical cable positioning and clamping. Step 4: Adjust the position of the sliding seat laterally to adjust the reserved length of the optical cable and lock it in place. Insert the two ends of the optical cable into the junction box and fix the optical cable reinforcing core and outer sheath. Then, complete the optical cable stripping, fiber cleaning, precision cutting, fusion splicing, and heat shrink curing of the fusion splice in sequence. Finally, complete the fiber coiling of the junction box, OTDR link testing, and sealing and encapsulation. Step 5: After construction is completed, rotate the adjusting screw in the opposite direction to release the optical cable, pull the plug rod to unlock and reset the flip frame to a horizontal storage position, loosen the positioning screw, pull the outer waist-shaped plug plate to unlock the support mechanism, so that the inner and outer connecting rods rotate and close to the worktable, and finally insert the positioning screw into the second plug hole to lock, completing the folding and storage of the device.

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