阅读说明：本技术 短距离光缆放展防扭力装置及其使用方法 (Torsion-proof device for short-distance optical cable unfolding and use method thereof ) 是由 张桐 曹向军 顾世峰 陈东刚 佟龙 徐超 葛冬冬 刘慧雯 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种短距离光缆放展防扭力装置及其使用方法,涉及光缆展放技术领域,主要目的是在光缆展放的过程中,避免光缆扭转而损坏。本发明的主要技术方案为：短距离光缆放展防扭力装置,该装置包括：轴承机构、固定部和拉动部；轴承机构包括内圈环体和外圈环体,内圈环体和外圈环体之间设有滚动体,用于使内圈环体能够相对于外圈环体同轴转动；固定部包括固定套管和螺杆,固定套管固定连接于内圈环体,用于套接光缆,固定套管的管壁设有径向通孔,螺杆螺纹连接于径向通孔,用于抵紧固定套管内的光缆；拉动部包括拉环和多个拉杆,拉杆的一端固定连接于外圈环体,另一端固定连接于拉环。(The invention discloses a short-distance optical cable unfolding torsion-proof device and a using method thereof, relates to the technical field of optical cable unfolding, and mainly aims to prevent an optical cable from being twisted and damaged in the process of optical cable unfolding. The main technical scheme of the invention is as follows: anti-torsion device is expanded to short distance optical cable, and the device includes: a bearing mechanism, a fixing portion and a pulling portion; the bearing mechanism comprises an inner ring body and an outer ring body, wherein a rolling body is arranged between the inner ring body and the outer ring body and used for enabling the inner ring body to coaxially rotate relative to the outer ring body; the fixing part comprises a fixing sleeve and a screw rod, the fixing sleeve is fixedly connected to the inner ring body and used for sleeving the optical cable, a radial through hole is formed in the pipe wall of the fixing sleeve, and the screw rod is in threaded connection with the radial through hole and used for tightly abutting against the optical cable in the fixing sleeve; the pulling part comprises a pull ring and a plurality of pull rods, one end of each pull rod is fixedly connected to the outer ring body, and the other end of each pull rod is fixedly connected to the pull ring.)

1. The utility model provides a torsion device is prevented in short distance optical cable exhibition, its characterized in that includes:

the bearing mechanism comprises an inner ring body and an outer ring body, wherein a rolling body is arranged between the inner ring body and the outer ring body and is used for enabling the inner ring body to coaxially rotate relative to the outer ring body;

the fixing part comprises a fixing sleeve and a screw rod, the fixing sleeve is fixedly connected to the inner ring body and used for being sleeved with an optical cable, a radial through hole is formed in the pipe wall of the fixing sleeve, and the screw rod is in threaded connection with the radial through hole and used for abutting against the optical cable in the fixing sleeve;

the pulling part comprises a pull ring and a plurality of pull rods, one end of each pull rod is fixedly connected with the outer ring body, and the other end of each pull rod is fixedly connected with the pull ring.

2. The short-range cable deployment anti-torque device of claim 1,

the central axis of the fixed sleeve is superposed with the central axis of the inner ring body.

3. The short-range cable deployment anti-torque device of claim 2,

the fixing part further comprises a plurality of supporting plates, the supporting plates are circumferentially and uniformly distributed in an annular space between the fixing sleeve and the inner ring body, one end of each supporting plate is fixedly connected to the fixing sleeve, and the other end of each supporting plate is fixedly connected to the inner ring body.

4. The short-range cable deployment anti-torque device of claim 3,

one end of each of the plurality of pull rods is circumferentially and uniformly distributed on the outer ring body, and the other ends of the plurality of pull rods extend towards the central axis of the outer ring body in an inclined manner.

5. The short-range cable deployment anti-torque device of claim 4,

the number of the pull rods is equal to that of the support plates.

6. The short-range cable deployment anti-torsion device of any one of claims 1 to 5,

the screw rod is positioned in the fixed sleeve, one end of the screw rod is a first end, and the cushion pad is connected to the first end.

7. The short-range cable deployment anti-torque device of claim 5,

the number of the pull rods and the number of the supporting plates are four respectively.

8. A use method of a short-distance optical cable unfolding torsion-proof device is characterized by comprising the following steps:

(1) inserting the end part of the optical cable into the fixed sleeve, rotating the screw rod to enable the screw rod to be screwed into the radial through hole and abut against the optical cable in the fixed sleeve;

(2) constructors hold the pull ring by hands, straighten the pull ring along the laying direction of the optical cable and lay the optical cable.

Technical Field

The invention relates to the technical field of optical cable unfolding, in particular to a short-distance optical cable unfolding torsion-proof device and a using method thereof.

Background

An opgw (optical Fiber Composite Overhead Ground wire) is also called an optical Fiber Composite Overhead Ground wire, and has dual functions of Ground wire and communication in a power transmission line. In the debugging test stage of a newly-built transformer substation, the manual work of exhibition of short distance optical cable is related to. The optical cable belongs to easily roll over breakable material, and the exhibition is put and is belonged to accurate careful work, and artifical exhibition is put because the uncontrollable factor of manual operation is too much, and when transmission line OPGW optical cable exhibition was put, the optical cable can be because other reasons such as unbalanced stress produce and twist reverse, leads to the optical cable to damage to influence the reliable use of optical cable.

Disclosure of Invention

In view of this, the invention provides a short-distance optical cable unfolding torsion-proof device and a using method thereof, and mainly aims to prevent an optical cable from being twisted and damaged in the optical cable unfolding process.

In order to achieve the purpose, the invention mainly provides the following technical scheme:

in one aspect, the present invention provides a short-distance optical cable deployment torsion-prevention device, comprising: a bearing mechanism, a fixing portion and a pulling portion;

the bearing mechanism comprises an inner ring body and an outer ring body, wherein a rolling body is arranged between the inner ring body and the outer ring body and is used for enabling the inner ring body to coaxially rotate relative to the outer ring body;

the fixing part comprises a fixing sleeve and a screw rod, the fixing sleeve is fixedly connected to the inner ring body and used for being sleeved with an optical cable, a radial through hole is formed in the wall of the fixing sleeve, and the screw rod is in threaded connection with the radial through hole and used for abutting against the optical cable in the fixing sleeve;

the pulling part comprises a pull ring and a plurality of pull rods, one end of each pull rod is fixedly connected with the outer ring body, and the other end of each pull rod is fixedly connected with the pull ring.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

Optionally, the central axis of the fixed sleeve coincides with the central axis of the inner ring body.

Optionally, the fixing portion further includes a plurality of supporting plates, the supporting plates are circumferentially and uniformly distributed in an annular space between the fixing sleeve and the inner ring body, one end of each supporting plate is fixedly connected to the fixing sleeve, and the other end of each supporting plate is fixedly connected to the inner ring body.

Optionally, one end of each of the plurality of pull rods is circumferentially and uniformly distributed on the outer ring body, and the other end of each of the plurality of pull rods extends obliquely towards the central axis of the outer ring body.

Optionally, the number of the pull rods is equal to the number of the support plates.

Optionally, the cushion further comprises a cushion body, one end of the screw rod, which is located in the fixed sleeve, is a first end, and the cushion body is connected to the first end.

Optionally, the number of the pull rods and the number of the support plates are four respectively.

On the other hand, the invention also provides a use method of the short-distance optical cable unfolding torsion-proof device, which comprises the following steps:

(1) inserting the end part of the optical cable into the fixed sleeve, rotating the screw rod to enable the screw rod to be screwed into the radial through hole and abut against the optical cable in the fixed sleeve;

(2) constructors hold the pull ring by hands, straighten the pull ring along the laying direction of the optical cable and lay the optical cable.

By the technical scheme, the invention at least has the following advantages:

at the present stage, in the process of manually unfolding the optical cable, the optical cable is changed from a coiling bending state to a linear state, the optical cable can store certain radial torsion, the optical cable is directly pulled by hands along the laying direction, the radial torsion of the optical cable cannot be released, and the radial torsion is further strengthened.

However, in the technical scheme of this application, constructor will coil in the optical cable of reel transport to waiting to lay the place, and constructor inserts the optical cable tip in the fixed sleeve, then with the screw rod along the radial screw in to the radial through-hole of fixed sheathed tube to make the screw rod support tight optical cable gradually, in order to avoid the optical cable to break away from the fixed sheathed tube. Then constructors hold the pull ring by hands to drive the optical cable to be straightened and unfolded along the laying direction of the optical cable.

In the straightening, unfolding and unfolding processes, the inner ring body can coaxially rotate relative to the outer ring body, the outer ring body moves forwards along with the pull ring and the pull rod and cannot rotate, but the optical cable can rotate along with the inner ring body, the radial torsion of the optical cable is released, and the radial torsion of the optical cable is prevented from being gathered. Therefore, constructors do not need to worry about radial torsion of the optical cable, and only need to straighten the optical cable by full force, so that the optical cable damage caused by violence pulling the optical cable is avoided.

Drawings

Fig. 1 is a perspective view of a first viewing angle of a short-distance optical cable deployment torsion prevention apparatus according to an embodiment of the present invention;

fig. 2 is a perspective view of a second perspective view of a short-distance cable deployment torsion prevention apparatus according to an embodiment of the present invention;

FIG. 3 is a top view of a short-range cable deployment anti-torque device according to an embodiment of the present invention;

FIG. 4 is a bottom view of a short-range cable deployment anti-torque device according to an embodiment of the present invention;

FIG. 5 is a front view of a short-range cable deployment anti-torque device according to an embodiment of the present invention;

fig. 6 is a partial cross-sectional view of the screw.

Reference numerals in the drawings of the specification include: the device comprises an inner ring body 1, an outer ring body 2, a rolling body 3, a fixed sleeve 4, a screw rod 5, a pull ring 6, a pull rod 7, a support plate 8, a cushion pad body 9 and an axial blind hole 10.

Detailed Description

To further explain the technical means and effects of the present invention adopted to achieve the predetermined object, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, in one aspect, one embodiment of the present invention provides a short-distance optical cable deployment anti-twisting device, which includes: a bearing mechanism, a fixing portion and a pulling portion;

the bearing mechanism comprises an inner ring body 1 and an outer ring body 2, and a rolling body 3 is arranged between the inner ring body 1 and the outer ring body 2 and used for enabling the inner ring body 1 to coaxially rotate relative to the outer ring body 2;

the fixing part comprises a fixing sleeve 4 and a screw rod 5, the fixing sleeve 4 is fixedly connected to the inner ring body 1 and used for being sleeved with an optical cable, a radial through hole is formed in the wall of the fixing sleeve 4, and the screw rod 5 is in threaded connection with the radial through hole and used for abutting against the optical cable in the fixing sleeve 4;

the pulling part comprises a pull ring 6 and a plurality of pull rods 7, one end of each pull rod 7 is fixedly connected with the outer ring body 2, and the other end of each pull rod 7 is fixedly connected with the pull ring 6.

The working process of the short-distance optical cable unfolding torsion-proof device is as follows:

at the present stage, in the process of manually unfolding the optical cable, the optical cable is changed from a coiling bending state to a linear state, the optical cable can store certain radial torsion, the optical cable is directly pulled by hands along the laying direction, the radial torsion of the optical cable cannot be released, and the radial torsion is further strengthened.

However, in the technical solution of the present application, the optical cable wound on the reel is carried to the place to be laid by the constructor, and the constructor inserts the end of the optical cable into the fixing sleeve 4 and then screws the screw 5 into the radial through hole along the radial direction of the fixing sleeve 4, so that the screw 5 gradually abuts against the optical cable to prevent the optical cable from separating from the fixing sleeve 4. Then, the constructor holds the pull ring 6 to drive the optical cable to be straightened and unfolded along the laying direction of the optical cable.

In the straightening, unfolding and unfolding processes, the inner ring body 1 can coaxially rotate relative to the outer ring body 2, the outer ring body 2 moves forwards along with the pull ring 6 and the pull rod 7 and cannot rotate, but the optical cable can rotate along with the inner ring body 1, the radial torsion of the optical cable is automatically released, and the radial torsion of the optical cable is prevented from being suddenly increased. Therefore, constructors do not need to worry about radial torsion of the optical cable, and only need to straighten the optical cable fully, so that the optical cable is prevented from being damaged due to the fact that the constructors violently pull the optical cable.

According to the technical scheme, only one constructor needs to hold the pull ring 6 by hand, the constructor moves slowly along the laying direction of the optical cable, the optical cable is unfolded, the radial torsion of the optical cable is released through integral rotation along with the inner ring body 1, the internal stress of the optical cable is avoided, the easily folded and fragile optical cable is prevented from being damaged, and the optical cable is guaranteed to be still intact after being unfolded.

Specifically, the bearing mechanism further includes a cage for confining the plurality of rolling bodies 3 between the inner ring body 1 and the outer ring body 2 so as to maintain a stable rolling friction relationship between the inner ring body 1, the rolling bodies 3, and the outer ring body 2.

Specifically, the radial through hole is provided with an internal thread, and the axial side of the screw rod 5 is provided with an external thread, so that the screw rod 5 can be screwed into the radial through hole.

Specifically, one end of each of the plurality of tie rods 7 is welded to the outer ring body 2, and the other end thereof is welded to the pull ring 6.

Specifically, the fixing sleeve 4 is welded to the inner edge of the inner ring body 1.

Specifically, the pull ring 6 and the pull rods 7 are positioned on one side of the plane where the outer ring body 2 and the inner ring body 1 are positioned; the screw rod 5 and the radial through hole are positioned on the other side of the plane where the outer ring body 2 and the inner ring body 1 are positioned.

As shown in fig. 1 to 5, in the specific embodiment, the central axis of the fixing sleeve 4 coincides with the central axis of the inner ring body 1.

In this embodiment, specifically, when the optical cable is screwed into the screw 5 of the radial through hole and abuts against the inner wall of the fixing sleeve 4, the central axis of the optical cable substantially coincides with the central axis of the inner ring body 1, and thus the central axis of the optical cable substantially coincides with the central axis of the outer ring body 2. Like this, the integrative rotation of the optical cable of exhibition and inner circle ring body 1, when releasing the radial torsion of optical cable, the optical cable can not be eccentric for outer lane ring body 2, and the rotation of optical cable is more stable.

As shown in fig. 1 to 5, in a specific embodiment, the fixing portion further includes a plurality of support plates 8, the plurality of support plates 8 are circumferentially and uniformly distributed in an annular space between the fixing sleeve 4 and the inner ring body 1, one end of each support plate 8 is fixedly connected to the fixing sleeve 4, and the other end of each support plate 8 is fixedly connected to the inner ring body 1.

In this embodiment, specifically, one end of the supporting plate 8 is welded to the fixed sleeve 4, and the other end is welded to the inner ring body 1, and is a plurality of the supporting plate 8 is circumferentially and uniformly distributed in the annular space between the fixed sleeve 4 and the inner ring body 1, and the included angle between two adjacent supporting plates 8 is equal, so that the inner ring body 1 forms uniform and stable radial support for the fixed sleeve 4.

As shown in fig. 1 to 5, in a specific embodiment, one end of each of the plurality of tie rods 7 is circumferentially and uniformly distributed on the outer ring body 2, and the other end of each of the plurality of tie rods 7 extends obliquely toward the central axis of the outer ring body 2.

In this embodiment, specifically, one end of each of the plurality of tie rods 7 is circumferentially and uniformly distributed on the outer ring body 2, that is, the welding positions of the plurality of tie rods 7 on the outer ring body 2 are circumferentially and uniformly distributed on the outer ring body 2, and the other ends of the plurality of tie rods 7 extend obliquely toward the central axis of the outer ring body 2 and are welded to the pull ring 6. A plurality of pull rods 7 constitute the cone, and pull ring 6 is located the summit position of cone, and when constructor held pull ring 6 pulling optical cable, constructor's pulling force evenly transmitted to outer lane ring body 2 through a plurality of pull rods 7, avoided outer lane ring body 2 and inner circle ring body 1 to be drawn partially.

As shown in fig. 1 to 5, in the specific embodiment, the number of tie rods 7 is equal to the number of support plates 8.

In this embodiment, specifically, the pulling force of the constructor forms a plurality of component forces through the plurality of pulling rods 7 and is transmitted to the bearing mechanism, the bearing mechanism forms a plurality of supporting forces on the fixing sleeve 4 through the plurality of supporting plates 8, the number of the pulling rods 7 is equal to the number of the supporting plates 8, and the number of the component force strands of the pulling force is equal to the number of the supporting forces, which is beneficial to the stability of the stress of the optical cable when the constructor lays the optical cable.

As shown in fig. 1 to 6, in a specific embodiment, the fixing device further includes a cushion pad 9, an end of the screw 5 located inside the fixing sleeve 4 is a first end, and the cushion pad 9 is connected to the first end.

In this embodiment, specifically, the cushion pad 9 is connected to the first end of the screw rod 5, and when the screw rod 5 is screwed into the radial through hole along the radial direction of the fixing sleeve 4, and the screw rod 5 drives the cushion pad 9 to abut against the optical cable, the cushion pad 9 deforms radially due to extrusion, so that the contact area between the screw rod 5 and the optical cable is increased, the abutting force of the screw rod 5 on the optical cable is buffered, and the optical cable is prevented from being damaged by the first end of the screw rod 5.

As shown in fig. 6, specifically, the cushion body 9 is made of rubber and has a certain elastic deformation characteristic, the first end of the screw rod 5 is provided with an axial blind hole 10, one end of the cushion body 9 is nested in the axial blind hole 10, the other end of the cushion body 9 extends out of the axial blind hole 10 and is close to the optical cable, when the screw rod 5 abuts against the optical cable, the cushion body 9 is located between the screw rod 5 and the optical cable, and the abutting force of the cushion screw rod 5 against the optical cable is provided.

As shown in fig. 1 to 5, in the embodiment, the number of the tie bars 7 and the number of the support plates 8 are four, respectively.

In this embodiment, specifically, four tie rods 7 ensure the mechanical strength of the connection structure between the tie ring 6 and the outer ring body 2, and four support plates 8 ensure the strength of the connection structure between the inner ring body 1 and the fixed sleeve 4, while avoiding the excessive increase of the weight of the device by the tie rods 7 and the support plates 8, so that the constructor can use the device more lightly.

In another aspect, another embodiment of the present invention further provides a method for using a short-distance cable deployment torsion prevention device, which includes the following steps:

(1) inserting the end part of the optical cable into the fixed sleeve 4, rotating the screw rod 5 to enable the screw rod 5 to be screwed into the radial through hole and abut against the optical cable in the fixed sleeve 4;

(2) the constructor holds the pull ring 6 by hand, straightens and lays the optical cable along the laying direction of the optical cable.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.