Stranding equipment

Abstract

The utility model relates to stranding equipment, and relates to the technical field of cable production, and the stranding equipment comprises a rack, a rotating shaft which is rotatably connected to the rack, a pay-off reel and a wire reel which are arranged on the rotating shaft, a driving device which drives the rotating shaft to rotate, a wrapping device, a traction device, and a take-up and pay-off stand. Wherein a plurality of wire guide holes are uniformly formed in the wire guide disc at intervals in the circumferential direction; the wire guiding device further comprises a plurality of positioning pieces which are in one-to-one correspondence with the plurality of wire guiding holes, each positioning piece comprises two positioning sleeves, and the two positioning sleeves are arranged at the two ends of the wire guiding holes in the length direction respectively; the wear-resistant sleeve is arranged in the positioning sleeve; and the clamping assembly is arranged between the wear-resistant sleeve and the positioning sleeve and used for fixing the wear-resistant sleeve to the inner side of the positioning sleeve. The device has the effect of improving the cabling quality of the cable.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cable production technology, in particular to a stranding equipment. BACKGROUND

[0002] The cable stranding equipment is a cabling device for producing wires, cables and the like formed by a plurality of thin wires or a plurality of thin wires wound around each other to form a cable, so that a plurality of single conductors are twisted into a strand to meet the process requirements of the wire. The stranding process not only enhances the mechanical strength of the wire, but also improves its electrical performance, such as reducing resistance and reducing electromagnetic interference.

[0003] At present, the cable stranding equipment mainly includes a rotating shaft, a pay-off reel, a wire guide, a driving device for driving the rotating shaft to rotate, a wrapping head for wrapping the filling material or the wrapping tape around the cable, a traction device responsible for the traction of the cable, and a wire collecting rack for winding the cable, etc. When the cable is cabled by the cable stranding equipment, a plurality of single wires or thin wires are drawn out from the uniformly distributed pay-off holes on the pay-off reel, the single wires on the pay-off reel are guided through the wire guide holes on the wire guide, and the plurality of single wires are twisted with each other in the rotating process to form a stranded wire. However, the wire guide holes on the wire guide are usually uniformly distributed, and under the high-speed operation of the cable, the inner holes of the wire guide holes on the wire guide are prone to wear. When the local inner holes of the wire guide holes are worn beyond the limit, it will cause the local core wire of the cable to deviate in the winding direction, affecting the cabling quality of the cable. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the cabling quality of the cable, the present application provides a stranding equipment.

[0005] The stranding equipment provided by the present application adopts the following technical scheme:

[0006] A stranding equipment, comprising a rack, a rotating shaft rotatably connected to the rack, a pay-off reel and a wire guide provided on the rotating shaft, a driving device for driving the rotating shaft to rotate, a wrapping device, a traction device, and a wire collecting rack; wherein the wire guide is uniformly and spacedly provided with a plurality of wire guide holes along the circumference thereof;

[0007] Further comprising:

[0008] A plurality of positioning members corresponding to the plurality of wire guide holes, each of the positioning members comprising two positioning sleeves, and the two positioning sleeves are respectively arranged at both ends of the wire guide hole in the length direction;

[0009] A wear-resistant sleeve arranged inside the positioning sleeve;

[0010] A clamping assembly arranged between the wear-resistant sleeve and the positioning sleeve, for fixing the wear-resistant sleeve to the inside of the positioning sleeve.

[0011] Through the adoption of the above technical scheme, when the cable is formed by the cable stranding device, first, the multiple single wires or thin wires are drawn out from the uniformly distributed wire drawing holes on the wire drawing disc, the single wires on the wire drawing disc are guided through the wire guide holes on the wire guide disc, and the multiple single wires are twisted with each other in the rotating process to form twisted wires. In the twisting process, the filling material (such as fiber, paper tape or plastic tape) or wrapping tape can be wrapped on the twisted cable by the wrapping head to increase the roundness, mechanical strength or provide additional insulation protection of the cable. After the twisted cable is pulled by the traction device, it is sent to the wire collecting rack for orderly winding. Each wire guide hole of the wire guide disc is provided with a pair of positioning sleeves, the positioning sleeves are located at both ends of the length direction of the wire guide hole, and are used to ensure the accurate positioning of the wire guide hole and the wear-resistant sleeve, so that the wire guide hole center, the positioning sleeve center and the wear-resistant sleeve center are accurately concentrically arranged, the vibration of the wire guide disc during high-speed operation is reduced, the wire guide disc is not easy to produce irregular twisting rotation, the local wire core winding direction is not easy to deviate, and the cable forming quality is improved. Meanwhile, the wear-resistant sleeve is replaced by the wire guide hole for wear. When the wear-resistant sleeve is worn, the worker only needs to disassemble the wear-resistant sleeve through the clamping assembly and replace a new wear-resistant sleeve, so that the maintenance efficiency is greatly improved and the production interruption time is reduced.

[0012] Optionally, the positioning sleeve comprises:

[0013] an inner positioning ring inserted into the inner side of the wire guide hole, and the outer diameter of the inner positioning ring is consistent with the inner diameter of the wire guide hole;

[0014] an outer positioning ring, the wire guide disc is also provided with an annular outer positioning groove, the outer positioning groove is concentric with the center of the wire guide hole, the outer positioning ring is inserted into the inner side of the outer positioning groove, and the outer diameter of the outer positioning ring is consistent with the inner diameter of the outer positioning groove;

[0015] a connecting ring fixed between the inner positioning ring and the outer positioning ring, and one side of the connecting ring is connected with the inner wall of the outer positioning groove.

[0016] Through the adoption of the above technical scheme, the outer diameter of the inner positioning ring is consistent with the inner diameter of the wire guide hole, which ensures the close fit of the wire guide hole and the inner positioning ring and improves the positioning accuracy and stability of the wire guide hole. The outer diameter of the outer positioning ring is consistent with the inner diameter of the outer positioning groove, which ensures the accurate positioning of the outer positioning groove and the outer positioning ring, so that the positioning sleeve forms bidirectional positioning, and the subsequent local wire core winding direction is not easy to deviate. The connecting ring plays the role of connecting and supporting the inner positioning ring and the outer positioning ring, and the one side of the connecting ring is connected with the inner wall of the outer positioning groove to strengthen the integrity of the wire guide hole and the positioning sleeve and improve the concentricity and structural stability between the wire guide hole and the positioning sleeve.

[0017] Optionally, the one side of the connecting ring is detachably connected with the inner wall of the outer positioning groove.

[0018] By adopting the technical scheme, the size specification of the positioning sleeve can be flexibly selected according to the size specification of the inner diameter of the wire hole, and the detachability of the positioning sleeve makes it convenient for the staff to perform regular maintenance work such as inspection and rounding on the inner diameter of the wire hole.

[0019] Optionally, the inner positioning ring, the outer positioning ring and the connecting ring are integrally formed.

[0020] By adopting the technical scheme, the integrally formed structure can improve the structural strength and integrity of the positioning sleeve, reduce the alignment error in the assembly process, and enable the positioning sleeve to withstand greater load and stress, thereby reducing deformation and damage during high-speed operation.

[0021] Optionally, the wear-resistant sleeve is inserted into the inner side of the inner positioning ring, and the outer diameter of the wear-resistant sleeve is consistent with the inner diameter of the inner positioning ring.

[0022] The clamping assembly comprises:

[0023] The clamping ring is sleeved on the outer side of the wear-resistant sleeve and integrally formed with the wear-resistant sleeve, and the outer diameter of the clamping ring is consistent with the inner diameter of the outer positioning ring.

[0024] The hole spring retainer is abutted on the side of the clamping ring away from the wire hole, the inner side of the outer positioning ring is provided with a clamping hole, and the hole spring retainer is clamped into the clamping hole.

[0025] By adopting the technical scheme, the outer diameter of the wear-resistant sleeve is consistent with the inner diameter of the inner positioning ring, ensuring that the wear-resistant sleeve is tightly matched with the inner positioning ring, improving the positioning accuracy and stability of the wear-resistant sleeve; when the wear-resistant sleeve is worn out, the staff only needs to disassemble the hole spring retainer, then remove the worn wear-resistant sleeve, insert a new wear-resistant sleeve into the positioning sleeve, and then clamp the hole spring retainer into the clamping hole on the inner side of the outer positioning ring, thereby completing the replacement of the wear-resistant sleeve. The replacement operation is simple and convenient, and the maintenance efficiency is improved.

[0026] Optionally, the side of the wear-resistant sleeve close to the inner positioning ring is provided with a chamfer, and the side of the wear-resistant sleeve away from the inner positioning ring is provided with a transition arc.

[0027] By adopting the technical scheme, the chamfer can reduce damage to the edge of the inner hole of the inner positioning ring caused by the wear-resistant sleeve during assembly, reduce the friction resistance of the wear-resistant sleeve when inserted into the inner positioning ring, make the assembly process smoother, reduce the alignment error in the assembly process, and improve the assembly speed and efficiency; and the transition arc can reduce the wear of the wire core when the wear-resistant sleeve moves and rubs.

[0028] Optionally, the inner diameter of the wear-resistant sleeve has multiple specifications and sizes.

[0029] By adopting the technical scheme, the diameter of the core directly affects the size requirement of the wire hole, different wear-resistant sleeves with different inner diameters can be selected according to different diameters of the core, so that the stranding equipment can adapt to the processing of cables with different diameters, and the practicability and applicability of the stranding equipment are improved.

[0030] Optionally, the inner surface of the wear-resistant sleeve is paved with a wear-resistant layer of CrAlN material.

[0031] By adopting the technical scheme, the CrAlN (chromium aluminum nitride) coating layer has very high hardness and oxidation resistance, can significantly improve the wear resistance of the wear-resistant sleeve, reduce wear under high-speed operation and high load conditions, and the CrAlN coating layer has a low friction coefficient, which can reduce the friction between the wear-resistant sleeve and the contact surface and reduce the operating energy consumption of the equipment.

[0032] In summary, the present application has at least one of the following beneficial technical effects:

[0033] 1. In each wire hole of the wire disc, a pair of positioning sleeves are installed, the positioning sleeves are located at both ends of the length direction of the wire hole, used to ensure accurate positioning of the wire hole and the wear-resistant sleeve, thereby forming bidirectional positioning as a whole, so that the center of the wire hole, the center of the positioning sleeve and the center of the wear-resistant sleeve are accurately concentrically arranged, reducing vibration of the wire disc during high-speed operation, and making the wire disc less likely to produce irregular twisting rotation and local core winding direction skew, improving the cable quality; meanwhile, the wear-resistant sleeve replaces the wire hole for wear, when the wear-resistant sleeve is worn, the staff only needs to disassemble and replace the new wear-resistant sleeve through the clamping assembly, greatly improving the maintenance efficiency and reducing the production interruption time;

[0034] 2. The outer diameter of the inner positioning ring is consistent with the inner diameter of the wire hole, ensuring the close fit of the wire hole and the inner positioning ring, improving the positioning accuracy and stability of the wire hole; the outer diameter of the outer positioning ring is consistent with the inner diameter of the outer positioning groove, ensuring the accurate positioning of the outer positioning groove and the outer positioning ring, so that the positioning sleeve forms bidirectional positioning, keeping all the positioning sleeves accurately and uniformly arranged relative to the wire disc after installation, so that the subsequent local core winding direction of the cable is less likely to skew; the connecting ring plays the role of connecting and supporting the inner positioning ring and the outer positioning ring, and the side of the connecting ring is connected with the inner wall of the outer positioning groove to strengthen the integrity of the wire hole and the positioning sleeve, and improve the concentricity and structural stability between the wire hole and the positioning sleeve;

[0035] 3. The outer diameter of the wear-resistant sleeve is consistent with the inner diameter of the inner positioning ring, ensuring that the wear-resistant sleeve and the inner positioning ring are tightly matched, improving the positioning accuracy and stability of the wear-resistant sleeve; when the wear-resistant sleeve is worn, the worker only needs to disassemble the hole spring retainer, then take down the worn wear-resistant sleeve, and insert the new wear-resistant sleeve into the positioning sleeve, and then clamp the hole spring retainer into the clamping hole on the inner side of the outer positioning ring, so that the replacement of the wear-resistant sleeve is completed, which is simple and convenient to operate, and improves the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a structural schematic diagram of the twisting device of the present application;

[0037] Figure 2 is a partial cross-sectional view of a wire disc;

[0038] Figure 3 is a partial enlarged structural schematic diagram of part A in Figure 2

[0039] Figure 4 is an exploded structural schematic diagram of the positioning sleeve, the wear-resistant sleeve and the clamping assembly.

[0040] Explanation of reference signs: 1, rack; 2, rotating shaft; 3, pay-off disc; 4, wire disc; 41, wire hole; 42, outer positioning groove; 5, wrapping device; 6, positioning sleeve; 61, inner positioning ring; 62, outer positioning ring; 621, clamping hole; 63, connecting ring; 7, wear-resistant sleeve; 71, chamfer; 72, transition arc; 8, clamping assembly; 81, clamping ring; 82, hole spring retainer; 9, connecting bolt. DETAILED DESCRIPTION

[0041] The following will be combined with the accompanying Figures 1-4 Further detailed description of the present application.

[0042] The embodiment of the present application discloses a twisting device. Referring to Figure 1 and Figure 2 , the twisting device comprises a rack 1, a rotating shaft 2 rotatably connected to the rack 1, a pay-off disc 3 and a wire disc 4 arranged on the rotating shaft 2, a driving device for driving the rotating shaft 2 to rotate, a wrapping device 5, a traction device, and a take-up reel. The wire disc 4 is uniformly and spacedly provided with a plurality of wire holes 41 along the circumference thereof, and a plurality of positioning members are further arranged on the wire disc 4, the plurality of positioning members correspond to the plurality of wire holes 41 one by one, each positioning member comprises two positioning sleeves 6, and the two positioning sleeves 6 are arranged at two ends of the wire hole 41 in the length direction, respectively.

[0043] Referring to Figure 1 and Figure 2 ​The wear-resistant sleeve 7 is sleeved in the positioning sleeve 6, and a wear-resistant layer made of CrAlN is laid on the inner surface of the wear-resistant sleeve 7. The CrAlN (chromium aluminum nitride) coating has very high hardness and oxidation resistance, which can significantly improve the wear resistance of the wear-resistant sleeve 7 and reduce wear under high-speed operation and high load conditions. The clamping assembly 8 is arranged between the wear-resistant sleeve 7 and the positioning sleeve 6, and is used to fix the wear-resistant sleeve 7 to the inner side of the positioning sleeve 6. The inner diameter of the wear-resistant sleeve 7 has multiple specifications, and the diameter of the wire core directly affects the size requirement of the wire hole 41. Different inner diameter specifications of the wear-resistant sleeve 7 can be selected according to different wire core diameters, so that the stranding equipment can adapt to the processing of cables with different diameters and improve the practicality and applicability of the stranding equipment.

[0044] When the cable stranding equipment is used to cable the cable, a plurality of single wires or thin wires are drawn out from the evenly distributed wire holes of the wire reel 3. The single wires on the wire reel 3 are guided through the wire holes 41 of the wire guide disc 4, and the plurality of single wires are twisted with each other in the rotating process to form a stranded wire. In the twisting process, the wrapping device 5 can wrap the filling material (such as fiber, paper tape or plastic tape) or wrapping tape on the twisted cable to increase the roundness, mechanical strength or provide additional insulation protection of the cable. The twisted cable is pulled by the traction device and then sent to the take-up reel for orderly winding. Each wire hole 41 of the wire guide disc 4 is provided with a pair of positioning sleeves 6, which are located at both ends of the wire hole 41 in the length direction, and are used to ensure the accurate positioning of the wire hole 41 and the wear-resistant sleeve 7, so as to form bidirectional positioning as a whole, so that the center of the wire hole 41, the center of the positioning sleeve 6 and the center of the wear-resistant sleeve 7 are accurately concentrically arranged, reducing the vibration of the wire guide disc 4 during high-speed operation, and making the wire guide disc 4 not easy to produce irregular twisting rotation phenomenon, and not easy to make the local wire core winding direction deviate, improving the cable stranding quality. At the same time, the wear-resistant sleeve 7 replaces the wire hole 41 to wear, and when the wear-resistant sleeve 7 is worn, the worker only needs to disassemble and replace the new wear-resistant sleeve 7 through the clamping assembly 8, which greatly improves the maintenance efficiency and reduces the production interruption time.

[0045] Referring to Figure 2 and Figure 3The positioning sleeve 6 comprises an inner positioning ring 61 inserted into the inner side of the wire hole 41, and the outer diameter of the inner positioning ring 61 is consistent with the inner diameter of the wire hole 41; the wear-resistant sleeve 7 is inserted into the inner side of the inner positioning ring 61, and the outer diameter of the wear-resistant sleeve 7 is consistent with the inner diameter of the inner positioning ring 61. The wire disc 4 is also provided with an annular outer positioning groove 42, the outer positioning groove 42 is concentric with the center of the wire hole 41, and the outer positioning groove 42 is provided with an outer positioning ring 62, the outer positioning ring 62 is inserted into the inner side of the outer positioning groove 42, and the outer diameter of the outer positioning ring 62 is consistent with the inner diameter of the outer positioning groove 42. The inner positioning ring 61 and the outer positioning ring 62 are provided with a connecting ring 63, and the inner positioning ring 61, the outer positioning ring 62 and the connecting ring 63 are integrally formed. A plurality of connecting bolts 9 are arranged between one side of the connecting ring 63 and the inner wall of the outer positioning groove 42, the plurality of connecting bolts 9 are uniformly and spacedly distributed along the circumference of the outer positioning groove 42, and the connecting bolts 9 are threadedly connected with the inner wall of the outer positioning groove 42 through the connecting ring 63; wherein the size specification of the positioning sleeve 6 can be flexibly selected according to the size specification of the inner diameter of the wire hole 41, and the detachability of the positioning sleeve 6 makes it convenient for the staff to regularly maintain the inner diameter of the wire hole 41, such as periodical inspection and rounding.

[0046] With reference to Figure 2 and Figure 3 The side of the wear-resistant sleeve 7 close to the inner positioning ring 61 is provided with a chamfer 71, the chamfer 71 can reduce the damage of the inner positioning ring 61 to the edge of the inner hole of the inner positioning ring 61 in the assembly process, and can also reduce the friction resistance of the wear-resistant sleeve 7 when inserted into the inner positioning ring 61, so that the assembly process is more smooth, the alignment error in the assembly process is reduced, the assembly speed and efficiency are improved, the wear-resistant sleeve 7 is provided with a transition arc 72 away from the inner positioning ring 61, and the transition arc 72 can reduce the wear of the wire core when the wire core moves and rubs against the wear-resistant sleeve 7.

[0047] The outer diameter of the inner positioning ring 61 is consistent with the inner diameter of the wire hole 41, which ensures the close cooperation of the wire hole 41 and the inner positioning ring 61, improves the positioning accuracy and stability of the wire hole 41. The outer diameter of the outer positioning ring 62 is consistent with the inner diameter of the outer positioning groove 42, which ensures the accurate alignment of the outer positioning groove 42 and the outer positioning ring 62, so that the positioning sleeve 6 forms bidirectional positioning, keeps all the positioning sleeves 6 accurately and uniformly arranged relative to the wire disc 4 after installation, and makes the subsequent local wire core winding direction of the cable not easy to appear deflection phenomenon. The connecting ring 63 plays a role in connecting and supporting the inner positioning ring 61 and the outer positioning ring 62, and the connecting ring 63 is connected with the inner wall of the outer positioning groove 42 on one side, which strengthens the integrity of the wire hole 41 and the positioning sleeve 6, and improves the concentricity and structural stability between the wire hole 41 and the positioning sleeve 6. Meanwhile, the integrally formed arrangement of the inner positioning ring 61, the outer positioning ring 62 and the connecting ring 63 can improve the structural strength and integrity of the positioning sleeve 6, reduce the alignment error in the assembly process, and make the positioning sleeve 6 able to bear greater load and stress, reduce deformation and damage in high-speed operation.

[0048] Referring to Figure 3 and Figure 4 The clamping assembly 8 comprises a clamping ring 81 sleeved outside the wear-resistant sleeve 7, the clamping ring 81 is integrally formed with the wear-resistant sleeve 7, and the outer diameter of the clamping ring 81 is consistent with the inner diameter of the outer positioning ring 62. The side of the clamping ring 81 away from the wire hole 41 is provided with a hole spring retainer 82, and the inner side of the outer positioning ring 62 is provided with a clamping hole 621, and the hole spring retainer 82 is clamped into the clamping hole 621.

[0049] When the wear-resistant sleeve 7 is worn, the worker only needs to disassemble the hole spring retainer 82, then take off the worn wear-resistant sleeve 7, and insert the new wear-resistant sleeve 7 into the positioning sleeve 6, and then clamp the hole spring retainer 82 into the clamping hole 621 on the inner side of the outer positioning ring 62, so as to complete the replacement of the wear-resistant sleeve 7, which is simple and convenient to operate, and improves the maintenance efficiency.

[0050] The implementation principle of the twisting device is that a pair of positioning sleeves 6 is installed in each wire hole 41 of the wire disc 4, the positioning sleeves 6 are located at both ends of the wire hole 41 in the length direction, and are used to ensure that the wire hole 41 and the wear-resistant sleeve 7 are accurately positioned, so as to form bidirectional positioning as a whole, so that the center of the wire hole 41, the center of the positioning sleeve 6 and the center of the wear-resistant sleeve 7 are accurately concentrically arranged, the vibration of the wire disc 4 during high-speed operation is reduced, the wire disc 4 is not easy to produce irregular twisted rotation, and the local wire core winding direction is not easy to deviate, and the cable quality is improved. At the same time, the wear-resistant sleeve 7 replaces the wire hole 41 to wear, when the wear-resistant sleeve 7 is worn, the worker only needs to disassemble the wear-resistant sleeve 7 through the clamping assembly 8, and replace the new wear-resistant sleeve 7, which greatly improves the maintenance efficiency and reduces the production interruption time.

[0051] The above are preferred embodiments of the present application, and are not limited to the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A stranding apparatus characterized by, The utility model relates to a winding device, including frame (1), rotatory shaft (2) of rotation connection on frame (1), setting on rotatory shaft (2) and wire disc (4) of pay-off disc (3), drive the rotatory shaft (2) rotation drive arrangement, winding device (5), traction device and collect and arrange the rack, wherein wire disc (4) is evenly spaced apart and is provided with a plurality of wire holes (41) along its circumference direction; Further comprising: Positioning member, a plurality of and with a plurality of wire holes (41) one-to-one correspondence, each positioning member includes two positioning sleeve (6), and two positioning sleeve (6) are arranged at the both ends of wire hole (41) length direction respectively; Wear -resistant sleeve (7) is arranged in the positioning sleeve (6) inside; Clamping assembly (8) is arranged between wear -resistant sleeve (7) and positioning sleeve (6), is used for fixing wear -resistant sleeve (7) to the inboard of positioning sleeve (6).

2. A stranding apparatus according to claim 1, characterised in that The positioning sleeve (6) includes: Inner positioning ring (61) is inserted into the inboard of wire hole (41), and the outer diameter of inner positioning ring (61) is consistent with the inner diameter of wire hole (41); Outer positioning ring (62), the wire disc (4) is also provided with annularly arranged outer positioning groove (42), the outer positioning groove (42) is concentric with the center of wire hole (41), the outer positioning ring (62) is inserted into the inboard of outer positioning groove (42), and the outer diameter of outer positioning ring (62) is consistent with the inner diameter of outer positioning groove (42); Connecting ring (63) is fixed between inner positioning ring (61) and outer positioning ring (62), and one side of connecting ring (63) is connected with the inner wall of outer positioning groove (42).

3. A stranding apparatus according to claim 2, wherein, One side of the connecting ring (63) is detachably connected with the inner wall of the outer positioning groove (42).

4. A stranding apparatus according to claim 2, wherein The inner positioning ring (61), the outer positioning ring (62) and the connecting ring (63) are integrally formed.

5. A stranding apparatus according to claim 2, wherein The wear-resistant sleeve (7) is inserted into the inboard of the inner positioning ring (61), and the outer diameter of the wear-resistant sleeve (7) is consistent with the inner diameter of the inner positioning ring (61); The clamping assembly (8) includes: Clamping ring (81) is sleeved on the outside of the wear-resistant sleeve (7), and is integrally formed with the wear-resistant sleeve (7), the outer diameter of the clamping ring (81) is consistent with the inner diameter of the outer positioning ring (62); Spring retainer (82) is abutted on the side of the clamping ring (81) away from the wire hole (41), the inboard of the outer positioning ring (62) is provided with a clamping hole (621), and the spring retainer (82) is clamped into the clamping hole (621).

6. A stranding apparatus according to claim 5, wherein, The wear-resistant sleeve (7) is provided with a chamfer (71) on the side close to the inner positioning ring (61), and a transition arc (72) is arranged on the side away from the inner positioning ring (61).

7. A stranding apparatus according to any one of claims 1 to 6, wherein The inner diameter of the wear-resistant sleeve (7) has multiple specifications.

8. A stranding apparatus according to claim 7, wherein, The inner surface of the wear-resistant sleeve (7) is paved with a wear-resistant layer made of CrAlN material.

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