CN220085736U - Cable pipe strander - Google Patents

Abstract

The utility model relates to a cable pipe strander which comprises a mounting seat, wherein a paying-off assembly, a stranded wire assembly and a winding disc are arranged on the mounting seat at intervals, the stranded wire assembly is arranged between the paying-off assembly and the winding disc, so that stranded wires actively released by the paying-off assembly can finish stranded wire treatment under the limiting spin-twisting action of the stranded wire assembly, and the winding disc can wind and store formed cables; the positioning disk of the paying-off assembly is provided with a plurality of winding wheel rollers which rotate at the same frequency in a circumferential interval, the winding wheel rollers are detachably arranged on the radial telescopic members, and the radial telescopic members with different extending directions are in transmission connection with the paying-off driving motor through the bevel gear transmission mechanism, so that the winding wheel rollers can rotate along with the radial telescopic members to actively release the wound wires on the roller bodies. The utility model can actively pay off the wound wire in the stranded wire processing process.

Description

Cable pipe strander

Technical Field

The utility model relates to the technical field of stranding machines, in particular to a cable pipe stranding machine.

Background

The cable is an electric energy or signal transmission device, and is usually composed of several or several groups of wires, wherein the wires refer to wires for transmitting electric energy, an insulating protection layer is generally arranged on the outer sides of the wires forming the cable, and the cable wires need to be twisted to form the cable when being processed, and then the cable is wound and stored by using a winding roll. The stranding equipment is a stranding mechanical equipment which can be widely applied to various soft/hard conductor wires, so that a plurality of single conductors are twisted into one strand, and the technical requirement of the wires is met. The stranding equipment can be generally divided into a single strander, a pair strander, a high-speed strander, a back-twist machine, a cage strander, a frame work strander, a tubular strander, a disc strander and the like according to the stranding mode.

However, the existing stranding machine usually directly pulls the wires wound by the winding roller to output and twist, but because the metal wires have certain ductility and deformability, the wires are easily stretched in the pulling process to become uneven in thickness of the wire body, so that the quality of the finally produced cable is affected, torsion can be generated in the twisting process of the wires, the wires can be damaged by the torsion continuously accumulated, even the wires are twisted to a certain extent before twisting, and the quality of the product is reduced. In addition, the twisting distance of the existing stranding machine is fixed, the twisting distance cannot be adjusted according to the length requirement of the cable body, the stranding machine cannot twist different lengths, and the application range is narrow.

Furthermore, there are differences in one aspect due to understanding to those skilled in the art; on the other hand, as the inventors studied numerous documents and patents while the present utility model was made, the text is not limited to details and contents of all that are listed, but it is by no means the present utility model does not have these prior art features, the present utility model has all the prior art features, and the applicant remains in the background art to which the rights of the related prior art are added.

Disclosure of Invention

The utility model aims to provide a cable pipe strander which can actively pay off a wound wire in the wire stranding process so as to improve the twisting quality of a cable in a mode of maintaining the wire body size of the wire, and can also twist cables with different lengths by adjusting the twisting distance according to requirements, so that the problems that the wire strander is easy to deform the wire body of the wire when the wire body is pulled, the wire becomes different in thickness, the twisted cable is damaged due to different thickness, the cable quality is poor, and the twisting machine cannot twist cables with different lengths according to requirements are solved, and the application range is narrow are solved.

The technical scheme adopted by the utility model is as follows: the cable tube strander comprises a mounting seat, wherein a paying-off assembly, a stranded wire assembly and a winding disc are arranged on the mounting seat at intervals, the stranded wire assembly is arranged between the paying-off assembly and the winding disc, a plurality of stranded wires actively released by the paying-off assembly can finish stranded wire treatment under the limiting spin-twisting action of the stranded wire assembly, and the winding disc can wind and store formed cables; the positioning disk of the paying-off assembly is provided with a plurality of winding wheel rollers which rotate at the same frequency in a circumferential interval, the winding wheel rollers are detachably arranged on the radial telescopic members, and the radial telescopic members with different extending directions are in transmission connection with the paying-off driving motor through the bevel gear transmission mechanism, so that the winding wheel rollers can rotate along with the radial telescopic members to actively release the wound wires on the roller bodies.

According to a preferred embodiment, the rotary connecting piece of the radial telescopic piece is rotatably connected to a telescopic shell column, and a telescopic rod is inserted into one end of the telescopic shell column, which is far away from the rotary connecting piece, and the length of the telescopic rod inserted into the telescopic shell column can be changed in a mode of axially translating the telescopic rod; the telescopic shell column is provided with a baffle plate and an elastic limiting block which can limit the sleeving position of the winding wheel roller, wherein the elastic limiting block can limit the relative position of the winding wheel roller and the telescopic shell column in a mode of propping against the annular wall of the inner ring of the winding wheel roller.

According to a preferred embodiment, the bevel gear transmission mechanism comprises a bevel gear support column, a rotary column, a first bevel gear and a second bevel gear, wherein the bevel gear support column is supported on the positioning disc, one end, away from the positioning disc, of the bevel gear support column is connected with the rotary column capable of being transmitted, the input end of the rotary column is connected with the first bevel gear, and the first bevel gear is in transmission connection with the second bevel gear arranged at the output end of the pay-off driving motor.

According to a preferred embodiment, the pay-off drive motor is mounted on the positioning disc in a manner of coinciding with the axis of the positioning disc, and the second bevel gear connected to the output end of the pay-off drive motor can be simultaneously in driving connection with a plurality of first bevel gears arranged at annular intervals.

According to a preferred embodiment, the pay-off assembly further comprises a quick-insertion supporting mechanism and a positioning supporting mechanism, wherein the quick-insertion supporting mechanism and the positioning supporting mechanism are respectively arranged at two ends of the radial telescopic piece, so that the position of the radial telescopic piece on the positioning disc is limited; the quick-inserting supporting mechanism comprises a sliding body inserted into a limit rail groove formed in the surface of the positioning disc along the radial direction of the disc body and an opening slot which can be detachably abutted with the rotary connecting piece, and positioning screws capable of limiting the relative position of the rotary connecting piece in the opening slot are penetratingly arranged on the wall of the opening slot.

According to a preferred embodiment, the positioning support mechanism comprises a positioning support column, a rotating sleeve and a rotating shaft, wherein the positioning support column is supported on the positioning disc, the rotating sleeve is rotatably connected in an opening groove at one end of the positioning support column far away from the positioning disc through the rotating shaft which is transversely arranged, and the telescopic rod is inserted in the rotating sleeve.

According to a preferred embodiment, the positioning disc is supported on the mounting seat through a lifting rod, and an axle center extension column of the positioning disc is rotatably supported at the upper end of the lifting rod, which is far away from the mounting seat, in the axial direction; and the rod body of the lifting rod is provided with penetrating jacks which are matched with the positioning holes formed in the disc body of the positioning disc at annular intervals.

According to a preferred embodiment, the strand assembly comprises a strand disc, an outer ring support and a strand driving unit, the strand driving unit is capable of driving the strand disc to rotate, the outer ring support and the strand driving unit are both mounted on a translation stage, and the translation stage is capable of translating along a line connecting the strand assembly and the pay-off assembly so as to change the twisting distance of the strand assembly.

According to a preferred embodiment, the wire reel is provided with an adjusting groove which is radially coincident with the wire reel, a pulley capable of supporting the wire is arranged in the adjusting groove, and the pulley is clamped in the adjusting groove through U-shaped clamping heads which are rotatably arranged at two ends of a rotating shaft of the pulley.

According to a preferred embodiment, the translation stage is inserted in a limit groove embedded in the mounting base.

The beneficial effects of the utility model are as follows:

the paying-off assembly provided by the utility model can actively pay off the twisted wire base material, so that the deformation of the wire caused by pulling the small-size wire in the twisting process is avoided, the uniform thickness dimension of the wire is maintained, and the problems of damage and pre-twisting of the wire along with the accumulation of torsion in the twisting process are also prevented. In addition, the pay-off assembly is provided with a quick-release structure, so that the wire roller wound with the wire can be conveniently disassembled and replaced, and the continuous production efficiency of the equipment is improved. In addition, unwrapping wire subassembly and stranded conductor subassembly all can drive the stranded annular interval distribution's of waiting to twist wire and translate on the concentric circle of equidimension not to make twist distance change, thereby realize twisting distance's regulation. Finally, the stranded wire component can translate on the connecting line of the paying-off component and the winding disc, so that the distance between the stranded wire component and the winding disc is changed, the twisting of cables with different lengths is realized, the application range of the device is wider, and the twisting of multi-size cables can be performed according to requirements.

According to the utility model, the winding wheel roller is limited by the contact quick-insertion supporting mechanism, so that the winding wheel roller can rotate around the connection position of the radial telescopic piece and the positioning supporting mechanism along with the radial telescopic piece, and the radial telescopic rod approximately parallel to the positioning disc deflects, so that the winding wheel roller sleeved on the rod body of the winding wheel roller is convenient to replace, the installation difficulty is reduced, and meanwhile, the winding wheel roller is ensured to rotate along with the radial telescopic rod, thereby realizing automatic release of a wound wire, and preventing the wire from deformation and damage caused by traction force.

According to the utility model, the translation table is arranged to enable the stranded wire assembly to perform directional reciprocating translation within a specific range, so that the stranded wire assembly can perform twisting of cables with different lengths. In addition, the setting of adjustment tank and pulley on the hank reel for the twisting distance that the hank reel prescribes a limit to is adjustable, thereby makes the hank reel can be according to the parameter demand adjustment twisting distance of twisting cable body, makes the application scope of equipment more extensive.

Drawings

FIG. 1 is a schematic view of a preferred cable pipe strander according to the present utility model;

FIG. 2 is an enlarged schematic view of a positioning plate of a preferred cable tube twisting machine according to the present utility model;

FIG. 3 is a schematic view of a telescoping column and take-up roller of a preferred cable pipe winch according to the present utility model;

FIG. 4 is a side view of a pay-off assembly of a preferred cable tube wringer in accordance with the present utility model;

fig. 5 is a side view of a spool of a preferred cable pipe winch according to the present utility model.

List of reference numerals

1: a mounting base; 2: paying-off assembly; 3: a stranded wire assembly; 4: a reel; 21: a positioning plate; 22: a wind-up wheel roller; 23: a radial expansion member; 24: a bevel gear transmission mechanism; 25: a paying-off driving motor; 26: a quick-insertion supporting mechanism; 27: positioning and supporting mechanisms; 28: a lifting rod; 31: a wire reel; 30: an outer ring support body; 33: a stranded wire driving unit; 34: a translation stage; 35: a limit groove; 211: an axis extension column; 212: positioning holes; 213: a limit rail groove; 231: a rotary connector; 232: a telescoping shell column; 233: a telescopic rod; 234: a baffle; 235: an elastic limiting block; 241: a bevel support column; 242: a spin column; 243: a first bevel gear; 244: a second bevel gear; 261: a slip mass; 262: an open slot; 263: a set screw; 271: positioning a support column; 272: rotating the sleeve; 273: a rotating shaft; 281: penetrating through the jack; 311: an adjustment tank; 312: a pulley; 313: a rotation shaft; 314: u-shaped clamping head.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

The technical solution provided by the present utility model will be described in detail by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model. In some instances, some embodiments are not described or described in detail as such, as may be known or conventional in the art.

Furthermore, features described herein, or steps in all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments in addition to mutually exclusive features and/or steps. It will be readily understood by those skilled in the art that the steps or order of operation of the methods associated with the embodiments provided herein may also be varied. Any order in the figures and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated that a certain order is required.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "connected" and "coupled" as used herein, where appropriate (without making up a paradox), include both direct and indirect connections (couplings).

The following detailed description refers to the accompanying drawings.

Example 1

The utility model provides a cable tube strander which comprises a mounting seat 1, a paying-off assembly 2, a stranded wire assembly 3 and a winding disc 4.

According to a specific embodiment shown in fig. 1, the mounting seat 1 is provided with a paying-off assembly 2, a stranded wire assembly 3 and a winding disc 4 at intervals. The stranded wire component 3 is arranged between the paying-off component 2 and the winding disc 4, so that stranded wires actively released by the paying-off component 2 can be stranded under the limiting spin-twisting action of the stranded wire component 3, and the winding disc 4 can wind and store formed cables. The pay-off assembly 2, the stranded wire assembly 3 and the winding disc 4 are arranged in a collinear way, so that a plurality of stranded wires automatically released from a wire storage roller loaded by the pay-off assembly 2 can simultaneously pass through the stranded wire assembly 3 to finish the twisting and cabling treatment, and the stranded wires after cabling can be pulled and wound by the winding disc 4. Before use, the end of the twisted cable can be positioned on the surface of the winding disc 4, so that the winding disc 4 can rotate under the action of external mechanical driving force or manual driving force to wind the cable twisted into the cable by the stranded wire assembly 3. The paying-off assembly 2 provided by the utility model can actively pay off a wire substrate which can be twisted, so that the problem that the wire deforms due to pulling of a small-size wire in the twisting process, the uniform thickness dimension of the wire is maintained, and meanwhile, the wire is prevented from being damaged and pre-twisted due to the accumulation of torsion in the twisting process is also prevented. In addition, the pay-off assembly 2 is provided with a quick-release structure, so that the wire roller wound with the wire can be conveniently disassembled and replaced, and the continuous production efficiency of the equipment is improved. In addition, the paying-off assembly 2 and the stranded wire assembly 3 can drive a plurality of strands of wires to be stranded to be circumferentially distributed at intervals to translate on concentric circles with different sizes, so that the twisting distance is changed, and the twisting distance is adjusted. Finally, the stranded wire component 3 can translate on the connecting line of the paying-off component 2 and the winding disc 4, so that the distance between the stranded wire component 3 and the winding disc 4 is changed, the twisting of cables with different lengths is realized, the application range of the device is wider, and the twisting of multi-size cables can be performed according to requirements.

As shown in fig. 1 and 2, the pay-off assembly 2 includes a positioning disk 21, a take-up roller 22, a radial expansion member 23, a bevel gear transmission mechanism 24, a pay-off drive motor 25, a quick-insertion support mechanism 26, a positioning support mechanism 27, and a lifting lever 28. Preferably, a plurality of winding wheel rollers 22 rotating at the same frequency are arranged on the positioning disc 21 of the paying-off assembly 2 at intervals in the circumferential direction. Specifically, the plurality of winding wheel rollers 22 are detachably mounted on the radial telescopic members 23, and the plurality of radial telescopic members 23 with different extending directions are in transmission connection with the pay-off driving motor 25 through the bevel gear transmission mechanism 24, so that the plurality of winding wheel rollers 22 can rotate along with the radial telescopic members 23 to actively release the wires wound on the roller bodies. Preferably, the quick-insertion support mechanism 26 and the positioning support mechanism 27 are provided separately at both ends of the radial expansion member 23, thereby defining the position of the radial expansion member 23 on the positioning plate 21. Preferably, the puck 21 is supported on the mount 1 by a lifter 28. Further preferably, the axial extension column 211 of the positioning disk 21 is rotatably supported at an axial upper end of the lifting rod 28 away from the mount 1. Specifically, the rod body of the lifting rod 28 is provided with a penetrating insertion hole 281 which is matched with the positioning holes 212 formed on the disc body of the positioning disc 21 at annular intervals, so that when the peripheral positioning rod is inserted into the aligned positioning holes 212 and penetrating insertion holes 281, the relative positions of the positioning disc 21 and the lifting rod 28 are kept unchanged. When in use, the winding wheel roller 22 can be limited by the contact quick-insertion supporting mechanism 26, so that the winding wheel roller 22 can rotate around the connection position of the radial telescopic piece 23 and the positioning supporting mechanism 27 along with the radial telescopic piece 23, and the radial telescopic rod 23 approximately parallel to the positioning disc 21 deflects, so that the winding wheel roller 22 sleeved on the rod body of the winding wheel roller is convenient to replace, the installation difficulty is reduced, the winding wheel roller 22 is ensured to rotate along with the radial telescopic rod 23, and the automatic release of a wound wire is realized, so that the wire is prevented from being deformed and damaged due to traction force.

As shown in fig. 2, 3 and 4, the radial expansion member 23 includes a rotational connection member 231, an expansion shell column 232, an expansion link 233, a shutter 234, and an elastic stopper 235. Preferably, the rotary connector 231 of the radial expansion member 23 with a square end section is rotatably connected to the expansion shell column 232. It is further preferable that the telescopic housing column 232 is inserted with a telescopic rod 233 at an end remote from the rotary connector 231. The telescopic rod 233 can be changed in its length inserted into the telescopic housing column 232 in such a manner as to translate in its axial direction, so that the telescopic housing column 232 and the telescopic rod 233 form a hydraulic rod structure. Preferably, a baffle 234 and an elastic stopper 235 are provided on the telescopic housing column 232, which can define the sleeved position of the wind-up roller 22. Specifically, the elastic limiting block 235 can limit the relative positions of the wind-up roller 22 and the telescopic shell column 232 by abutting against the inner ring wall of the wind-up roller 22, so that the wind-up roller 22 can rotate along with the telescopic shell column 232 to release the wire wound on the roller body. Preferably, the elastic stopper 235 includes a groove, a spring, and a stopper. The groove body is arranged on the telescopic shell column 232 in an array mode, and limiting blocks capable of limiting the relative position between the winding wheel roller 22 and the telescopic shell column 232 are supported in the groove body through springs. The spring can provide adjustable elastic supporting force for the limiting block, so that the limiting block can resist and limit the end side of the winding wheel roller 22 and can also support and limit the inner side of the winding wheel roller 22.

Preferably, the bevel gear drive 24 includes a bevel support post 241, a rotation post 242, a first bevel gear 243, and a second bevel gear 244. Preferably, the bevel gear support column 241 is supported on the positioning disk 21, and a rotation column 242 capable of transmitting is connected to the end of the bevel gear support column 241 away from the positioning disk 21. It is further preferred that the input end of the rotary column 242 is connected to a first bevel gear 243, and that the first bevel gear 243 is in driving connection with a second bevel gear 244 provided at the output end of the payout drive motor 25. Preferably, an open slot is formed at an output end of the rotary column 242, so that the telescopic rod 233 is rotatably inserted into the open slot, and a transmission connection structure is formed between the rotary column 242 and the telescopic rod 233, so that the rotary column 242 can drive the telescopic rod 233 to rotate around an axis.

Preferably, the payout drive motor 25 is mounted on the puck 21 in a manner coincident with the axis of the puck 21, and the second bevel gear 244 to which the output end of the payout drive motor 25 is connected can be simultaneously in driving connection with a plurality of first bevel gears 243 disposed at annular intervals. Preferably, the quick-insertion support mechanism 26 includes a sliding body 261 inserted into a limit rail groove 213 formed on the surface of the positioning disk 21 along the radial direction of the disk body, and an opening slot 262 capable of detachably abutting against the rotary connector 231. It is further preferable that a set screw 263 capable of defining the relative position of the rotary link 231 in the opening slot 262 is penetratingly provided on the slot wall of the opening slot 262.

Preferably, the positioning support mechanism 27 includes a positioning support column 271, a rotating sleeve 272, and a rotating shaft 273. Preferably, the positioning support column 271 is supported on the positioning plate 21, and a rotation sleeve 272 is rotatably connected through a rotation shaft 273 provided laterally in an opening groove of an end of the positioning support column 271 remote from the positioning plate 21. Preferably, the rotation sleeve 272 is internally provided with a telescopic rod 233 so that the telescopic rod 233 can rotate around the rotation shaft 273 following the rotation sleeve 272, and the inner wall of the rotation sleeve 272 is provided with a bearing so that the telescopic rod 233 can rotate around an axis relative to the rotation sleeve 272.

Preferably, the wire assembly 3 includes a wire spool 31, an outer ring support 32, and a wire drive unit 33. Preferably, the strand driving unit 33 is capable of driving the strand drum 31 to rotate. It is further preferred that both the outer ring support 32 and the strand driving unit 33 are mounted on a translation stage 34, and that the translation stage 34 is capable of translating along the wire of the strand assembly 3 with the payout assembly 2 to vary the twisting distance of the strand assembly 3. As shown in fig. 5, the wire reel 31 is provided with an adjustment groove 311 overlapping the wire reel in the radial direction, and a pulley 312 capable of supporting the wire is provided in the adjustment groove 311. Specifically, the pulley 312 is engaged in the adjustment groove 311 by rotating a U-shaped grip 314 provided at both ends of the rotation shaft 313 thereof. Preferably, the translation stage 34 is inserted in a limit groove 35 inlaid on the mounting seat 1. The limiting groove 35 is internally provided with a screw rod in threaded connection with the translation table 34, and one end of the screw rod penetrating through the limiting groove 35 is connected with a rotary driving motor, so that the screw rod rotates under the driving of the rotary driving motor, the translation table 34 limited by the limiting groove 35 axially translates according to the rotation of the screw rod, and the stranded wire assembly 3 is driven to directionally translate. The utility model enables the stranded wire assembly 3 to perform directional reciprocating translation within a specific range by arranging the translation table 34 so that the stranded wire assembly can perform twisting of cables with different lengths. In addition, the setting of adjustment groove 311 and pulley 312 on the stranded conductor dish 31 for the twist distance that stranded conductor dish 31 prescribe a limit to is adjustable, thereby makes stranded conductor dish 31 can be according to the parameter demand adjustment twist distance of twisting the cable body, makes the application scope of equipment more extensive.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents. Throughout this document, the word "preferably" is used in a generic sense to mean only one alternative, and not to be construed as necessarily required, so that the applicant reserves the right to forego or delete the relevant preferred feature at any time.

Claims (10)

1. The utility model provides a cable tube strander, includes mount pad (1), its characterized in that, mount pad (1) interval is provided with unwrapping wire subassembly (2), stranded conductor subassembly (3) and rolling dish (4), stranded conductor subassembly (3) are located between unwrapping wire subassembly (2) and rolling dish (4), make stranded conductor that unwrapping wire subassembly (2) actively released can accomplish the stranded conductor and handle under the spacing spiral of stranded conductor subassembly (3), and rolling dish (4) can coil the storage to the cable wire that forms;

a plurality of winding wheel rollers (22) which rotate at the same frequency are arranged on a positioning disc (21) of the paying-off assembly (2) at intervals in a circumferential direction, the winding wheel rollers (22) are detachably arranged on radial telescopic members (23), and the radial telescopic members (23) with different extending directions are in transmission connection with a paying-off driving motor (25) through bevel gear transmission mechanisms (24), so that the winding wheel rollers (22) can rotate along with the radial telescopic members (23) to actively release wires wound on roller bodies of the winding wheel rollers.

2. The cable tube hank according to claim 1, characterized in that the rotary connection (231) of the radial telescopic member (23) is rotatably connected to a telescopic housing column (232), and that the end of the telescopic housing column (232) remote from the rotary connection (231) is plugged with a telescopic rod (233), the telescopic rod (233) being capable of changing its length of insertion into the telescopic housing column (232) in such a way that it can translate axially;

the telescopic shell column (232) is provided with a baffle (234) and an elastic limiting block (235) which can limit the sleeving position of the winding wheel roller (22), wherein the elastic limiting block (235) can limit the relative positions of the winding wheel roller (22) and the telescopic shell column (232) in a mode of abutting against the inner ring annular wall of the winding wheel roller (22).

3. The cable tube hank of claim 2, characterized in that the bevel gear drive mechanism (24) includes a bevel support post (241), a spin post (242), a first bevel gear (243) and a second bevel gear (244), wherein,

the bevel gear support column (241) is supported on the positioning disk (21), one end of the bevel gear support column (241) far away from the positioning disk (21) is connected with the rotating column (242) capable of carrying out transmission,

the input end of the rotary column (242) is connected with the first bevel gear (243), and the first bevel gear (243) is in transmission connection with a second bevel gear (244) arranged at the output end of the pay-off driving motor (25).

4. A cable tube twisting machine according to claim 3, characterized in that said pay-off drive motor (25) is mounted on said positioning disc (21) in such a way as to coincide with the axis of said positioning disc (21), and in that said second bevel gear (244) to which the output end of said pay-off drive motor (25) is connected is capable of being simultaneously in driving connection with a plurality of said first bevel gears (243) arranged at annular intervals.

5. The cable tube hank according to claim 4, characterized in that the pay-off assembly (2) further comprises a quick-insertion support mechanism (26) and a positioning support mechanism (27), wherein the quick-insertion support mechanism (26) and the positioning support mechanism (27) are provided at both ends of the radial expansion member (23) so as to define the position of the radial expansion member (23) on the positioning disc (21);

the quick-insertion supporting mechanism (26) comprises a sliding body (261) inserted into a limit rail groove (213) formed in the surface of the positioning disc (21) along the radial direction of the disc body and an opening slot (262) which can be detachably abutted with the rotary connecting piece (231), and a positioning screw (263) which can limit the relative position of the rotary connecting piece (231) in the opening slot (262) is penetratingly arranged on the groove wall of the opening slot (262).

6. The cable tube twisting machine according to claim 5, wherein the positioning support mechanism (27) comprises a positioning support column (271), a rotating sleeve (272) and a rotating shaft (273),

the positioning support column (271) is supported on the positioning disc (21), the opening groove at one end, far away from the positioning disc (21), of the positioning support column (271) is rotatably connected with the rotating sleeve (272) through the rotating shaft (273) which is transversely arranged, and the telescopic rod (233) is inserted into the rotating sleeve (272).

7. A cable tube twisting machine according to claim 6, wherein said positioning disc (21) is moved through

The lifting rod (28) is supported on the mounting seat (1), and the axis extension column (211) of the positioning disc (21) is rotatably supported at the upper end of the lifting rod (28) far away from the mounting seat (1) in the axial direction;

and the rod body of the lifting rod (28) is provided with a penetrating jack (281) which is matched with the positioning holes (212) formed in the disc body of the positioning disc (21) at annular intervals.

8. The cable tube twisting machine according to claim 7, wherein the twisting assembly (3) comprises a twisting disc (31), an outer ring support body (32) and a twisting drive unit (33), wherein the twisting drive unit (33) is capable of driving the twisting disc (31) to rotate,

the outer ring support body (32) and the stranded wire driving unit (33) are both installed on a translation table (34), and the translation table (34) can translate along the connecting line of the stranded wire assembly (3) and the paying-off assembly (2) so as to change the twisting distance of the stranded wire assembly (3).

9. The cable tube twisting machine according to claim 8, wherein the wire twisting disc (31) is provided with an adjusting groove (311) which is radially overlapped with the wire twisting disc, a pulley (312) which can support a wire is arranged in the adjusting groove (311), and the pulley (312) is clamped in the adjusting groove (311) through U-shaped clamping heads (314) which are rotatably arranged at two ends of a rotating shaft (313) of the pulley.

10. A cable tube twisting machine according to claim 9, wherein the translation stage (34) is inserted in a limit groove (35) embedded on the mounting seat (1).