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CN-122025294-A - Cage winch with high twisting precision

CN122025294ACN 122025294 ACN122025294 ACN 122025294ACN-122025294-A

Abstract

The invention relates to a cage strander with high stranding precision, which belongs to the technical field of cable manufacture, and comprises a cage strander, a wire guide assembly, a cage body brake assembly and an on-off assembly, wherein the wire guide assembly is fixedly connected to one side of a cage body supporting disc close to a cage frame support, the cage body brake assembly comprises a guide wheel II which can deform according to cable tension, the cage body brake assembly is arranged on a bracket of the cage strander and is used for holding the cage body supporting disc close to a reduction gearbox, the on-off assembly is arranged on an air pipe connecting the cage body brake assembly and an air source and is linked with the wire guide assembly, when a cable breaks, the wire guide assembly triggers the on-off assembly to conduct the air pipe so that the air enters the cage body brake assembly to drive the cage body brake assembly to rapidly hold the cage body supporting disc tightly for braking.

Inventors

  • HOU ZHENTAO
  • WU HAIHONG
  • YANG ZEBO

Assignees

  • 广东五羊城电缆有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (10)

  1. 1. The utility model provides a cage winch that transposition precision is high, its characterized in that includes: The cage type stranding machine (7) comprises a reduction gearbox (1), a driving motor (2), a cage support (3), a main driving shaft (4), two cage body supporting plates (5) and a plurality of cage body frames (6); The wire guide assembly (8) is arranged corresponding to the cage body frame (6), the wire guide assembly (8) is fixedly connected to one side of the cage body supporting plate (5) close to the cage support (3), the wire guide assembly (8) comprises a guide wheel II (84), and the guide wheel II (84) can deform according to the tension of a cable so as to increase the bending radius of the cable; The cage body brake assembly (12) is arranged on a bracket of the cage body stranding machine (7), the cage body supporting disc (5) close to the reduction gearbox (1) is positioned in the cage body brake assembly (12), and the cage body brake assembly (12) is used for holding the cage body supporting disc (5) tightly; The on-off assembly (10) is arranged on an air pipe (9) connecting the cage body brake assembly (12) and an air source, and the on-off assembly (10) is linked with the wire guide assembly (8); When the cable breaks, the wire guide assembly (8) triggers the on-off assembly (10) to conduct the air pipe (9) so that air enters the cage body brake assembly (12) to drive the cage body brake assembly (12) to hold the cage body support disc (5) tightly for braking.
  2. 2. The cage winch with high twisting precision according to claim 1, wherein the wire guiding assembly (8) further comprises a mounting seat I (81), two groups of bearing seats (82) are fixedly arranged at the top of the mounting seat I (81), and a guiding wheel I (83) and a guiding wheel II (84) are respectively and rotatably arranged in the two groups of bearing seats (82); The guide wheel II (84) comprises a rotating shaft (841), a buffering flexible ring (844) and a plurality of elastic leaf springs (843), the rotating shaft (841) is rotationally arranged in the bearing seat (82), the buffering flexible ring (844) is sleeved on the outer wall of the rotating shaft (841), the elastic leaf springs (843) are fixedly arranged between the buffering flexible ring (844) and the rotating shaft (841), and when the tension of a cable is increased, the tension force of the cable drives the elastic leaf springs (843) to deform, so that the buffering flexible ring (844) is changed into an ellipse from a round shape.
  3. 3. The cage winch with high twisting precision according to claim 2, wherein the guide wheel II (84) further comprises two baffle rings (842), the two baffle rings (842) are fixedly sleeved on the outer walls of the two ends of the rotating shaft (841) respectively, the buffering flexible ring (844) is located between the two baffle rings (842), and the outer walls of the buffering flexible ring (844) and the guide wheel I (83) are provided with guide grooves (85).
  4. 4. The cage winch with high twisting precision according to claim 2, wherein the on-off assembly (10) comprises two connectors (101) and a rotating cylinder (105), the two connectors (101) are respectively fixed at the butt joint ends of the two air pipes (9), the rotating cylinder (105) is rotatably arranged between the two connectors (101), one end of the rotating cylinder (105) is sealed and far away from the cage brake assembly (12), and the other end of the rotating cylinder (105) is open; The connector (101) at one side is internally and fixedly provided with a sealing plate (1011), the sealing plate (1011) is provided with a plurality of through holes II (1012), and the sealing end of the rotary cylinder (105) is provided with a through hole III (1051) matched with the through hole II (1012).
  5. 5. The cage winch with high twisting precision according to claim 4, wherein the outer wall of the opening end of the rotating cylinder (105) is provided with a through hole IV (1052), and the outer wall of the other connector (101) is provided with a through hole I (1010) matched with the through hole IV (1052); When the through hole III (1051) is correspondingly communicated with the through hole II (1012), the through hole IV (1052) and the through hole I (1010) are staggered and closed, so that gas enters the cage brake assembly (12) through the through hole II (1012) and the through hole III (1051).
  6. 6. The cage winch with high twisting precision according to claim 5, characterized in that the outer wall of the rotating cylinder (105) is fixedly provided with a manual operation handle (106); The wire guide assembly (8) further comprises a sliding rod (86) and a driving block (88), the sliding rod (86) penetrates through the top of the mounting seat I (81) in a sliding mode, and the driving block (88) is fixedly arranged at the top end of the sliding rod (86) and matched with a cable; when the cable breaks, the driving block (88) loses the limit of the cable and slides outwards under the action of centrifugal force, and the driving block (88) pushes the manual operation handle (106) to drive the rotary cylinder (105) to rotate.
  7. 7. The cage winch with high stranding precision according to claim 6, wherein the wire guiding assembly (8) further comprises two stroke limiting blocks (87), the two stroke limiting blocks (87) are fixedly arranged at the bottom and the middle of the sliding rod (86) respectively, and the mounting base I (81) is located between the two stroke limiting blocks (87).
  8. 8. The cage stranding machine with high stranding precision according to claim 4, further comprising a supporting frame (11), wherein the supporting frame (11) is fixedly arranged on a bracket of the cage stranding machine (7) in a T shape, and the top of the supporting frame (11) is detachably connected with the two connectors (101).
  9. 9. The cage winch with high twisting precision according to claim 8, characterized in that the top of the supporting frame (11) is fixedly provided with a positioning seat (111) which is matched with the rotating cylinder (105); The on-off assembly (10) further comprises a connecting flange plate (102), an inserting rod (103) and a locking nut ring (104), wherein the connecting flange plate (102) is fixedly sleeved on the outer wall of the connecting head (101), the positioning seat (111) is located between the connecting flange plates (102), the inserting rod (103) penetrates through the positioning seat (111), the two ends of the inserting rod (103) penetrate through the corresponding connecting flange plates (102) respectively, and the locking nut ring (104) is sleeved on the two ends of the inserting rod (103) and abuts against the connecting flange plates (102) in a threaded mode.
  10. 10. The cage winch with high stranding precision according to claim 1, characterized in that the cage brake assembly (12) comprises a mounting seat II (121), a supporting seat (122), brake pads (123) and a driving cylinder (124), wherein the driving cylinder (124) is connected with the air pipe (9), and the driving cylinder (124) is used for driving two brake pads (123) to approach each other so as to hold the cage support disc (5).

Description

Cage winch with high twisting precision Technical Field The invention belongs to the technical field of cable processing, and relates to a cage stranding machine with high stranding precision. Background The cage winch is core equipment in the field of cable production, is mainly used for twisting a plurality of conductors such as copper wires and aluminum wires into a cable core, is widely applied to manufacturing processes of products such as crosslinked polyethylene insulated power cables, communication cables and high-voltage wire harnesses of new energy automobiles, the twisting quality of the cables directly influences the mechanical strength, the electrical transmission performance and the service life of the products, and with the rapid development of industries such as power transmission and communication, the requirements on twisting precision, production safety and product reliability of the market are increasingly improved. The basic structure of the existing cage winch generally comprises a power unit, a cage body assembly, a guiding mechanism and a braking device, wherein the power unit provides power for the rotation of the cage body, the cage body assembly bears a pay-off disc and drives a cable to rotate and twist, the guiding mechanism guides the conveying direction of the cable, the braking device is used for controlling the cage body to stop when equipment is stopped or fails, however, the prior art still has a plurality of defects in the practical application of conductor twisting of a crosslinked polyethylene insulated power cable: The guide mechanism of the traditional cage winch mainly adopts the guide wheel with a fixed structure, and can only realize simple guide limit, and cannot adapt to tension fluctuation in the cable twisting process, when cables are twisted, tension mutation of the cables is easily caused due to pay-off speed, traction speed change or rotation unbalance of a cage body, and the fixed guide wheel cannot adjust the structure according to tension change, so that the cables are easily deviated and fall off from the guide wheel, or stress concentration is generated due to too small bending radius, further the problems of large twisting pitch error, uneven cable arrangement and the like are caused, the electric transmission stability and mechanical strength consistency of the cables are seriously affected, and particularly the severe requirements of medium-low voltage precision cables, communication cables and the like on twisting precision are difficult to meet. Secondly, when the cable breaks because of reasons such as tension is too big, material defect, and the like, the cage body often is because of inertia continuously rotates, easily causes scattered winding of surplus cable, equipment collision damage, even causes operating personnel's potential safety hazard, and partial equipment is equipped with automatic braking function, but trigger mechanism is complicated, need additionally set up a plurality of sensors and control module, mainly relies on the collector ring to transmit weak level signal, very easily short circuit or contact failure in the workshop that is full of greasy dirt and metal dust, leads to the equipment still high-speed idle running to make the accident after the broken wire. Disclosure of Invention In view of the above, the present invention provides a cage stranding machine with high stranding accuracy in order to solve the above problems. In order to achieve the purpose, the invention provides the following technical scheme that the cage winch with high twisting precision comprises: the cage stranding machine comprises a reduction gearbox, a driving motor, a cage support, a main driving shaft, two cage body supporting plates and a plurality of cage body frames; The wire guide assembly is arranged corresponding to the cage body frame and fixedly connected to one side of the cage body supporting disc close to the cage support, the wire guide assembly comprises a guide wheel II, the guide wheel II can deform according to the tension of the cable so as to increase the bending radius of the cable, and the wire guide assembly is adapted to the tension fluctuation requirement of stranding of the crosslinked polyethylene insulated power cable multi-strand conductor; The cage body brake assembly is arranged on a bracket of the cage stranding machine, the cage body support disc close to the reduction gearbox is positioned in the cage body brake assembly, and the cage body brake assembly is used for holding the cage body support disc tightly; The on-off assembly is arranged on an air pipe connecting the cage body brake assembly and an air source, and is linked with the wire guide assembly; When the cable breaks, the wire guiding assembly triggers the on-off assembly to conduct the air pipe, so that air enters the cage body braking assembly to drive the cage body braking assembly to hold the cage body supporting disc tightly for braking. As a furthe