CN2241889Y

CN2241889Y - Twisting device for tube-type SZ-twist strand optical cable cable-forming machine

Info

Publication number: CN2241889Y
Application number: CN 95227940
Authority: CN
Inventors: 王淑斌; 姚水明; 赵望雄; 蔡建国; 蔡汉文; 洪文斌; 谢德平; 陈启斌
Original assignee: Wuhan Research Institute Of Post And Communications Mii
Current assignee: Fiberhome Telecommunication Technologies Co Ltd
Priority date: 1995-12-06
Filing date: 1995-12-06
Publication date: 1996-12-04
Anticipated expiration: 2005-12-06

Abstract

The utility model relates to twisting device for tube type SZ twist strand optical cable making machine, which is suitable for making the SZ twist optical cable. The utility model is provided with a long and narrow twisting table which is provided with a twisting head, the front part of the twisting head is matched with a twisting positioning mould, and the front end of the twisting positioning mould is provided with a yarn fastening machine; one end of the SZ twisting head is connected with a speed changing driving device which can rotate forwards and backwards, the inner part of the SZ twisting head is provided with a twisting hose which is extended backwards and passes through a supporting seat, the tail end of the hose is connected with a twisting tail control seat, and a line concentration disk is arranged behind the twisting tail control seat. The utility model has the advantages of simple structure, good process performance, good product quality, and high speed.

Description

Tubular type SZ strand stranding optical cable cable-former stranding device

The utility model relates to a kind of tubular type SZ strand stranding optical cable cable-former strand table apparatus that is suitable for making SZ strand loose sleeve layer strand type optical cable, belongs to a kind of optical cable production equipment.

In technical field of optical fiber communication, optical cable plays important effect as the communication signal transmission part.Optical cable is made of optical cable core, reinforcement and peripheral restrictive coating, optical cable core is the core component of optical cable, it is normally twisted together continuously by certain structure and rule by the optical fiber loose tube that is with optical fiber in many, and stranded cables can possess better transmission property.With regard to the twisting structure of optical cable core, SZ strand loose sleeve layer strand type optical cable is because the structure of its cable-former is simple relatively, the stranding speed of production is fast and be suitable for the plurality of advantages such as production of large-size optical cable and adopted more widely.At present, had a kind of disc type SZ strand cable-former, it adopts two processing modes that reverse, stranding device adopts five or more a plurality of supporting disk, be torqued into the twisting that different angles realize the SZ strand by corresponding separately, not only structure is still comparatively complicated for it, and since the accumulation of error that the multi-stage mechanical transmission produces with to be difficult to control respectively the turn round inertia of part consistent, and supporting disk has certain acting force when optical fiber loose tube is reversed, and the quality of optical cable stranding is affected.

Task of the present utility model is to avoid the weak point of above-mentioned existence and a kind of tubular type SZ strand stranding optical cable cable-former stranding device is provided, and not only structure is comparatively simple for it, and can improve processing characteristics, improves the quality of product.

Task of the present utility model is realized by following scheme: have a long and narrow strand platform 14, be installed on SZ strand 7 on stranded, the place ahead of strand head is equipped with stranded positioning module 8, front end at stranded positioning module is equipped with bundling machine 9, and the speed-changing driving device 13 that an end of SZ strand 7 and can forward and reverse rotation links, and is provided with stranded flexible pipe 5 in the capstan winch of SZ strand, stranded flexible pipe extends back, pass supporting seat 6, its tail end joins with strand tail control seat 4, also is equipped with line concentration dish 3 behind strand tail control seat.

According to such scheme, the course of work of the present utility model is: optical fiber loose tube 2 central reinforce member 1 middle with being located at optical cable core penetrates stranded flexible pipe 5 separately by strand tail control seat 4 after line concentration dish 3 is divided equally, pierce into SZ strand 7 and stranded positioning module 8 then, be twisted into cable core 10 and send into down the road treatment process more forward after the bundle yarn tightens up, stranded shaping is finished by SZ strand head and stranded positioning module 8, wherein optical fiber loose tube 2 and central reinforce member 1 are advanced to front haulage with V at the uniform velocity, simultaneously, SZ strand 7 is at regular time and quantity just being done continuously, reverse rotation, the optical fiber loose tube 2 that is placed in the stranded flexible pipe 5 is accordingly just done in company with the rotation of SZ strand head in advancing, oppositely twisting, through the contraction of stranded positioning module 8 and fixing of bundling machine 9, form SZ strand optical cable core.

The utility model compared with prior art has following advantage: 1, tubular type SZ strand stranding device adopts the boundling tube process, only do back and forth rotation with the some stranded flexible pipes of strand head configuration, finish the task of optical cable core twisting, thereby it is simple in structure, the parts operation is easy to control, and functional reliability is strong, and the pitch of twisting is accurate, stable, thereby guaranteed the crudy of product, made optical cable possess good transmission performance; 2, can be suitable for multicore or few core, the production of multiple stranded cables such as the lay that differs in size, and have stranding process velocity height, be suitable for the processing and the almost nil characteristics of residual materials of large-size optical cable; 3, stranded flexible pipe is longer, and reversing the number of turns can increase relatively, reverses the number of turns the more owing to unidirectional, and a SZ strand commutating frequency is lower, thereby helps equipment life, also helps the raising of stranded travelling speed; 4, optical fiber loose tube is free state in the very little stranded flexible pipe of friction force, has improved the force-bearing situation of optical fiber in the optical cable strand system process, helps the further raising of fiber optic cable production quality.

Fig. 1 is the one-piece construction figure of an embodiment of the utility model.

Fig. 2 is the full sectional view that SZ twists head and stranded positioning module among Fig. 1.

Fig. 3 is the sectional view of the stranded flexible pipe of the utility model, also is that the A-A among Fig. 1 cuts open figure.

An embodiment of the present utility model such as Fig. 1,2, shown in 3, long and narrow strand platform 14 with a longitudinal extension, end at the strand platform is equipped with line concentration dish 3 and strand tail control seat 4, the lower end and a vertical slide 15 of strand tail control seat link, so that it can longitudinally move around neatly, strand tail control seat 4 is provided with and position, line concentration dish 3 corresponding hole, and link with the tail end of stranded flexible pipe 5, on same straight line of a big segment distance, be installed on SZ in the place ahead of strand tail control seat and twist 7, it include be installed on strand on the platform bearing seat 17 and the bearing 18 of phase configuration, be loaded on the rotating head 19 on the dead eye, one end of rotating head and the capstan winch 20 of honeycomb coaly connect firmly, the other end links to each other with speed-changing driving device 13 that can forward and reverse rotation by belt wheel 16 and driving belt 24, speed-changing driving device is made up of motor and gear, motor can adopt PLC control, so that control the operation of SZ strand head better, outside the capstan winch 20 that SZ strand head stretches out forward, be installed on the mounting 21 of a shell-like, the center position of the front end edge cable core operation of mounting is equipped with location die head 23, the output terminal of location die head and capstan winch 20 mutually across a certain distance, constitute stranded positioning module 8, stranded positioning module mounting can link with a vertically manually mobile seat 12 for 21 times, so that according to the processing situation, adjust the spacing distance between location die head 23 and the capstan winch 20, in addition, the interval that is positioned at positioning module head and capstan winch on shell-like mounting 21 is that the stranded place of cable core offers an oil hole 22, be communicated with oil-filled case 11 by oil pipe, constitute oil-filled device, so both can dose greasy for preventing water to cable core full and uniformly, can significantly reduce location die head 23 and the friction force of optical fiber loose tube 2 when stranded again, improve the skeining quality, be equipped with a bundling machine 9 in the front of stranded positioning module 8, the cable core 10 of skeining is pricked yarn to be fixed, and continue to move forward, do other processing, between SZ strand 7 and strand tail control seat 4, longitudinally be equipped with a plurality of supporting seats 6, and be connected with stranded flexible pipe 5, be coated with the stranded flexible pipe 5 that extends forward in the supported hole position of supporting seat, the front end of stranded flexible pipe and SZ twist the through hole front end that head links and extends to capstan winch 20, the quantity of stranded flexible pipe is decided by the number of optical fiber loose tube 2 and central reinforce member 1, install central reinforce member in middle one, other stranded flexible pipe is along circumferentially uniform and install optical fiber loose tube, present embodiment is the structure of 6 optical fiber loose tubes and 1 central reinforce member, and the length of stranded flexible pipe 5 is 7.5-9 rice.

Claims

1, a kind of tubular type SZ strand stranding optical cable cable-former stranding device, it is characterized in that having a long and narrow strand platform (14), be installed on SZ strand head (7) on stranded, the place ahead of strand head is equipped with stranded positioning module (8), front end at stranded positioning module is equipped with bundling machine (9), one end of SZ strand head (7) and one can forward and reverse rotation speed-changing driving device (13) link, in the capstan winch of SZ strand head, be provided with stranded flexible pipe (5), stranded flexible pipe extends back, pass supporting seat (6), its tail end joins with strand tail control seat (4), also is equipped with line concentration dish (3) behind strand tail control seat.

2, by the described tubular type SZ strand of claim 1 stranding optical cable cable-former stranding device, it is characterized in that SZ strand head (7) includes the bearing seat (17) that is installed on the strand platform and the bearing (18) of phase configuration, be loaded on the rotating head (19) on the bearing, the capstan winch (20) of one end of rotating head and honeycomb coaly connects firmly, and the other end links to each other with speed-changing driving device (13) that can forward and reverse rotation by belt wheel (16) and driving belt (24).

3, by claim 1 or 2 described tubular type SZ strand stranding optical cable cable-former stranding devices, it is characterized in that outside the capstan winch (20) that SZ strand head stretches out forward, being installed on the mounting (21) of a shell-like, the center position of the front end edge cable core operation of mounting is equipped with location die head (23), the output terminal of location die head and capstan winch (20) constitutes stranded positioning module (8) mutually across a certain distance.

4,, it is characterized in that the below of stranded positioning module mounting (21) and vertical seat (12) that manually moves link by the described tubular type SZ strand of claim 3 stranding optical cable cable-former stranding device.

5, by the described tubular type SZ strand of claim 3 stranding optical cable cable-former stranding device, it is characterized in that the interval that is positioned at positioning module head and capstan winch on the shell-like mounting (21) offers an oil hole (22), is communicated with oil-filled case (11) by oil pipe.

6, by claim 1 or 2 described tubular type SZ strand stranding optical cable cable-former stranding devices, it is characterized in that the lower end and the vertical slide (15) that twist tail control seat (4) link.