CN110401163A - Three across ADSS optical cable wedge blocks clamp security personnel's fitting - Google Patents

Three across ADSS optical cable wedge blocks clamp security personnel's fitting Download PDF

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Publication number
CN110401163A
CN110401163A CN201910409395.3A CN201910409395A CN110401163A CN 110401163 A CN110401163 A CN 110401163A CN 201910409395 A CN201910409395 A CN 201910409395A CN 110401163 A CN110401163 A CN 110401163A
Authority
CN
China
Prior art keywords
optical cable
wedge
fitting
adss
wedge block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910409395.3A
Other languages
Chinese (zh)
Inventor
李正超
马辉
李倩
陈尊平
朱信刚
唐杰杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Xuzhou Power Supply Co of Jiangsu Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xuzhou Power Supply Co of Jiangsu Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Xuzhou Power Supply Co of Jiangsu Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201910409395.3A priority Critical patent/CN110401163A/en
Publication of CN110401163A publication Critical patent/CN110401163A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4415Cables for special applications
    • G02B6/4416Heterogeneous cables
    • G02B6/4422Heterogeneous cables of the overhead type
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/48Overhead installation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/18Devices affording mechanical protection in the event of breakage of a line or cable, e.g. net for catching broken lines

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

This patent discloses a kind of " three across " ADSS optical cable wedge block and clamps security personnel's fitting, it is provided on fitting body (1) wedge groove (9), the arc groove (7) of two wedge blocks (2) is positioned opposite to form optical cable wire casing in wedge groove (9);ADSS optical cable (4) on the outside of optical cable wire clamp (18) is held in optical cable wire casing;Pull ring (3) are connected on fitting body (1);One end of insulating cord (16) is connected on pull ring (3), and the other end is connected on cross-arm (15);When wedge block (2) is mobile to the direction far from optical cable wire clamp (18), make ADSS optical cable (4) clamping fixed in optical cable wire casing;Fracture optical cable can be fixed on original position when optical cable is broken, be equivalent to and increase by a secondary safety rope for " three across " optical cable, prevent the generation for causing major traffic accidents when cable breakout because falling, solve " three across " optical cable security risk.

Description

Three across ADSS optical cable wedge blocks clamp security personnel's fitting
Technical field
This patent be related to it is a kind of ensure public security fitting along the ADSS optical cable of overhead transmission line arrangement, it is especially a kind of " three across " ADSS optical cable wedge block clamps security personnel's fitting.
Background technique
According to State Grid Corporation of China " the great anti-accident measures of overhead transmission line " three across " " (tentative) (national grid fortune inspection No. 2016-413), the definition of " three across " refers to the overhead transmission line across high-speed railway, highway and important passway for transmitting electricity Section.ADSS optical cable is also referred to as All Dielectric self-support, is all dielectric material used in all dielectric, that is, optical cable, and self-bearing type refers to light Cable itself stiffener can bear self weight and external load.Since ADSS optical cable usually utilizes the shaft tower of ultra-high-tension power transmission line simultaneously Parallel with transmission line wire to set up, " the great anti-accident measures of overhead transmission line " three across " " wants so also must be complied with It asks.
ADSS optical cable generally passes through optical cable wire clamp (including strain clamp or suspension clamp) and is suspended on cross arm of tower, In Its angle of wind deflection is very big under windy conditions, and when wind speed is 30m/s, the angle of wind deflection of ADSS optical cable is up to 80 °, and the angle of wind deflection of conducting wire The only half or so of optical cable;Beam wind blows to ADSS optical cable, and ADSS optical cable meeting vibration induced by wind is dynamic;So as to cause ADSS optical cable Fatigue damage occurs at hanging point, ADSS optical cable is broken in the outside of optical cable wire clamp, and the optical cable of fracture is fallen " three across " Region will certainly cause larger traffic accidents and biggish social influence.
In recent years, the whole nation " three across " optical cable cable accident of breaking happens occasionally, and by taking Jiangsu Province as an example, the whole province's range once occurred several Secondary " three across " optical cable breaks cable accident, threatens to traffic safety.It is once wherein universal drop heavy snow in Jiangsu Province, certain districts and cities occurs Because accumulated snow causes optical cable to fall, electric railway normal operation has been seriously affected, has caused significant impact to power grid and society.Thus Jiangsu Power Company company requires each department " three across " ADSS optical cable that must all rectify and improve, and rectification scheme mainly has poling at present It is buried or be changed to OPGW optical cable and pass through.But no matter using which kind of rectification mode, due to constructional difficulties, operating expenses is high the problems such as, It is very big to implement resistance.
Summary of the invention
The purpose of the present invention is designing a kind of " three across " ADSS optical cable wedge block to clamp security personnel's fitting, it is broken in optical cable When fracture optical cable can be fixed on original position, be equivalent to and increase by a secondary safety rope for " three across " optical cable, prevent cable breakout Shi Yin falls and causes the generation of major traffic accidents, solves " three across " optical cable security risk.
The technical scheme is that " three across " ADSS optical cable wedge block clamps security personnel's fitting, it is characterized in that: including one Fitting body and two wedge blocks are particularly provided with wedge groove in gold, the shape of wedge groove combined with two wedge blocks after wedge Shape is adapted;The arc groove of perforation, the accurate measurement and ADSS cable outer diameter of arc groove are provided on each wedge block It is adapted, the arc groove of two wedge blocks is positioned opposite to form optical cable wire casing in wedge groove;ADSS on the outside of optical cable wire clamp Optical cable is held in optical cable wire casing;The big end of wedge block and the big end opening of fitting body wedge groove are towards optical cable wire clamp, each Wedge block screw hole is provided on the big end end face of wedge block;In fitting body towards being connected with pull ring on the end face of optical cable wire clamp and set It is equipped with fitting screw hole;One end of insulating cord is connected on pull ring, and the other end is connected on cross-arm;Wedge block is to far from optical cable wire clamp Direction it is mobile when, the gap between two wedge blocks becomes smaller, and is formed by clamping degree of the optical cable wire casing on ADSS optical cable and increases Greatly, make ADSS optical cable clamping fixed in optical cable wire casing;
The material of the wedge block is polytetrafluoroethylene (PTFE) or PEEK, along arc axis side in the arc groove of wedge block To being provided with zigzag anti-skid structure;
It further, further include by lengthening that successively rigidly connected insulating bar, link block and double threaded screw form Operating stick screw rod connects specific purpose tool, and operator connects specific purpose tool fitting by the lengthening operating stick screw rod on shaft tower Body is transplanted on the outside of optical cable wire clamp and is looped around wedge groove on ADSS optical cable;One end of insulating bar is male end, separately One end is connected with internal screw thread quick union;One end of link block is provided with internal thread hole, passes through the internal thread hole and double threaded screw Threaded one end connection, the other end of link block is connected with internal screw thread quick coupling, and link block is fast by the internal screw thread of its end The connection of the male end of quick coupling and insulating bar;The other end of double threaded screw is adapted with the fitting screw hole of gold particularly.
The invention has the advantages that wedge block, which clamps security personnel's fitting, is not subject to optical cable weight under ADSS optical cable normal condition, But the total weight that can bear optical cable when cable breakout avoids ADSS optical cable from falling and causes traffic, electric power and communication peace Full accident;Hardware fitting structure of ensuring public security is simple, easy for operation;Solve that optical cable in " three across " rectification engineering is difficult, construction is difficult, changes Make the problems such as expensive.
Detailed description of the invention
Fig. 1: optical cable wedge block clamps security personnel's fitting and optical cable connection status main view;
Fig. 2: optical cable wedge block clamps security personnel's fitting and optical cable connection status bottom view;
Fig. 3: optical cable wedge block clamps security personnel's fitting and optical cable connection status right view;;
Fig. 4: wedge block main view;
Fig. 5: wedge block top view;
Fig. 6: fitting body main view;
Fig. 7: fitting body top view;
Fig. 8: insulating bar structural schematic diagram;
Fig. 9: it lengthens operating stick screw rod and connects specific purpose tool structural schematic diagram;
Figure 10: the security personnel's fitting working state schematic representation of optical cable described in this patent.
In figure, 1- fitting body, 2- wedge block, 3- pull ring, 4-ADSS optical cable, 5- fitting screw hole, 6- wedge block screw hole, 7- arc Connected in star, 8- pull ring connecting hole, 9- wedge groove, 10- insulating bar, 11- male end, 12- internal thread locking nut, 13- Double threaded screw, 14- link block, 15- cross-arm, 16- insulating cord, 17- spiral vibration rod, 18- optical cable wire clamp.
Specific embodiment
This patent is described in detail with reference to the accompanying drawings and detailed description.
As shown in Fig. 1 to Fig. 3, Fig. 6, Fig. 7, " three across " ADSS optical cable wedge block described in this patent clamps security personnel's fitting and includes 1 two wedge blocks 2 of fitting body are provided with wedge groove 9, after the shape of wedge groove 9 is combined with two wedge blocks 2 on fitting body 1 Wedge shape be adapted;Two wedge blocks 2 are symmetrical in wedge groove 9, and the arc that perforation is provided on each wedge block 2 is recessed The accurate measurement of slot 7, arc groove 7 is adapted with the outer diameter of ADSS optical cable 4, and the arc groove 7 of two wedge blocks 2 is positioned opposite Optical cable wire casing is formed in wedge groove 9, there are gaps relatively and between end face for 7 cambered surface of arc groove of two wedge blocks 2;Optical cable The ADSS optical cable 4 in 18 outside of wire clamp is held in the optical cable wire casing formed in fitting body 1;The big end and fitting body 1 of wedge block 2 Wedge groove 9 big end opening towards optical cable wire clamp 18, be provided with wedge block screw hole 6 on the big end end face of each wedge block 2; In fitting body 1 towards being connected with pull ring 3 on the end face of optical cable wire clamp 18 and be provided with fitting screw hole 5;In 1 lower part direction of fitting body There are two pull ring connecting hole 8, pull ring 3 is U-shaped, the end of two connecting rods of U-shaped pull ring 3 for setting on the end face of optical cable wire clamp 18 It is provided with screw thread, after two connecting rod threaded portions of pull ring 3 pass through two pull ring connecting holes 8 on fitting body 1, is holding outer spiral shell Line top is connected separately with nut, so that pull ring 3 is connected on fitting body 1.One end of insulating cord 16 is connected on pull ring 3, The other end is connected on cross-arm 15;When wedge block 2 is mobile to the direction far from optical cable wire clamp 18, two wedge blocks 2 it is opposite two Gap between a end face becomes smaller, and is formed by clamping degree of the optical cable wire casing on ADSS optical cable 4 and increases, i.e., ADSS optical cable 4 blocks It holds tighter.
As shown in Figure 4, Figure 5, each wedge block 2 is rectangle, and one of face is that inclined-plane constitutes wedge structure, in big end It is provided with positioning table, positioning table is adapted with the end structure towards optical cable wire clamp 18 of fitting body 1;In each wedge block 2 Wedge block screw hole 6 is provided on big end end face for connecting in installation with specific purpose tool, in the side opposite with inclined-plane On be provided with the arc groove 7 of perforation along its length, be provided in 7 Inner arc axis direction of arc groove zigzag anti-skidding Structure;The formation optical cable wire casing positioned opposite of arc groove 7 of two wedge blocks 2, the internal diameter of optical cable wire casing and ADSS optical cable 4 it is outer Diameter is adapted;There are gaps between the arc groove 7 of two wedge blocks 2, and the clamping degree of ADSS optical cable 4 is adjusted by gap.
The material of wedge block 2 is polytetrafluoroethylene (PTFE) or PEEK.Fitting body 1 is manufactured using titanium alloy or aluminium alloy, weight Amount is light;Insulating cord 16 is made of aramid fiber.
As shown in figure 8, the intermediate insulation part of insulating bar 10 generally uses bakelite, bakelite, expoxy glass modeling tubing Material production, 1 to 2 meters of joint length, insulated part accounts for 80% or more overall length, insulating materials require high pressure resistant, intensity is high, it is moisture-proof and It is light-weight, it can be with people's independent operation;The both ends of insulating bar 10 are metal joint, and the metal joint at both ends passes through pressure The mode connect, riveted is fixedly connected with insulating bar, and wherein one end metal joint is male end 11, on the metal joint of the other end It is provided with the structure to match with internal screw thread quick union 12, connect to form quick union with internal screw thread quick union 12, by this Internal screw thread quick union 12 is connect with the male end of another insulating bar 10, so that insulating bar combination be made to lengthen.
As shown in figure 9, lengthening operating stick screw rod connection specific purpose tool by successively rigidly connected insulating bar 10, connection Block 14 and double threaded screw 13 form, and effect is that operator connects special tool by the lengthening operating stick screw rod on shaft tower Fitting body 1 is moved to 18 outside of optical cable wire clamp and is looped around the wedge groove 9 of fitting body 1 on ADSS optical cable 4 by tool;Link block 14 one end is provided with internal thread hole, is connect by the internal thread hole with the threaded one end of double threaded screw 13;Link block 14 it is another One end is provided with the structure to match with internal screw thread quick coupling 12, is connected in internal screw thread quick coupling 12, link block 14 passes through The internal screw thread quick coupling 12 of its end is connect with the male end 11 of insulating bar 10;The other end and gold of double threaded screw 13 Fitting screw hole 5 on specific 1 is adapted.
The application method that " three across " ADSS optical cable wedge block described in this patent clamps security personnel's fitting is as follows:
Firstly, pull ring 3 is connected on fitting body 1, one end of insulating cord 6 is connected on pull ring 3, lengthens operating stick screw rod It is ready to connect specific purpose tool, carries fitting, lengthening operating stick screw rod connection specific purpose tool steps on tower;
Lengthening operating stick screw rod connection specific purpose tool is connected to the fitting on fitting by the double threaded screw 13 of its end On screw hole 5, fitting body 1 is provoked using insulating bar 10 4 overhead of outside ADSS optical cable for being sent to optical cable wire clamp 18, make gold Wedge groove 9 on specific 1 is looped around on ADSS optical cable 4, connects specific purpose tool elder generation handle by an other lengthening operating stick screw rod The wedge block 2 of side is inserted between ADSS optical cable 4 and wedge groove 9, and arc groove 7 is close to the side of ADSS optical cable 4, wedge block 2 Inclined-plane be bonded with the side inclined-plane of wedge groove 9;Same method, then specific purpose tool is connected another with operating stick screw rod is lengthened The wedge block 2 of side is inserted into the other side of ADSS optical cable 4;Wedge block 2 is compressed, is held in optical cable wire casing on ADSS optical cable 4, ADSS optical cable 4 clamps;Lengthening operating stick screw rod connection specific purpose tool is reversely rotated again to retract;
Finally the other end of insulating cord 16 is connected on the cross-arm 15 of shaft tower, insulating cord 16 is straightened.
Security personnel's fitting working state schematic representation is clamped for optical cable wedge block as shown in Figure 10, fitting body 1 is held in cable line On the ADSS optical cable 4 in 18 outside of folder, according to previous accident experience and theory analysis, fitting body 1 is held in apart from optical cable wire clamp 18 about 80 to 100 millimeters of ends are advisable, and between spiral vibration rod 17 and optical cable wire clamp 18, spiral vibration rod 17 is spiral for fitting position 1 Shape is held on ADSS optical cable 4, prevents and weaken vibration of the optical cable under laminar winds effect.When ADSS optical cable 4 due to taking for a long time After labour, fatigue fracture occurs in ADSS optical cable 4 and 18 joint of optical cable wire clamp, the ADSS optical cable 4 of fracture is made in tension and gravity With lower disengaging optical cable wire clamp 18, ADSS optical cable 4 is mobile to the direction far from optical cable wire clamp 18, and fitting body 1 is due to insulating cord 16 Traction, then wedge block 2 makes the gap between wedge block 2 become smaller in company with 4 fine motion of ADSS optical cable, and ADSS optical cable 4 is in cable line The degree of clamping more fastens in slot, and then ADSS optical cable 4 is secured in the optical cable wire casing of fitting body 1, since fitting body 1 is logical It crosses insulating cord 16 to be connected on cross-arm 15, so the ADSS optical cable 4 of fracture will not directly be fallen from the air, but be substantially secured to The generation of major motor vehicle He other electric power safety accidents is caused in original position because falling when to having prevented cable breakout.This Optical cable wire clamp 18 in embodiment is suspension clamp, and strain clamp is equally applicable.
Finally it should be noted that only illustrating technical solution of the present invention rather than its limitations in conjunction with above-described embodiment.Institute The those of ordinary skill in category field is it is to be understood that those skilled in the art can repair a specific embodiment of the invention Change or equivalent replacement, but these modifications or change are being applied among pending claims.

Claims (3)

1. " three across " ADSS optical cable wedge block clamps security personnel's fitting, it is characterized in that: including a fitting body (1) and two wedge blocks (2), be provided on fitting body (1) wedge groove (9), the shape of wedge groove (9) combined with two wedge blocks (2) after wedge-shaped phase Adaptation;The arc groove (7) of perforation, the accurate measurement and ADSS optical cable of arc groove (7) are provided on each wedge block (2) (4) outer diameter is adapted, and the arc groove (7) of two wedge blocks (2) is positioned opposite to form optical cable wire casing in wedge groove (9);Light ADSS optical cable (4) on the outside of cable clip (18) is held in optical cable wire casing;It is wedge-shaped in the big end and fitting body (1) of wedge block (2) The big end opening of slot (9) is provided with wedge block screw hole on the big end end face of each wedge block (2) towards optical cable wire clamp (18) (6);Pull ring (3) is connected on end face of the fitting body (1) towards optical cable wire clamp (18) and is provided with fitting screw hole (5);Insulation One end of rope (16) is connected on pull ring (3), and the other end is connected on cross-arm (15);Wedge block (2) is to far from optical cable wire clamp (18) when direction is mobile, the gap between two wedge blocks (2) becomes smaller, and is formed by optical cable wire casing on ADSS optical cable (4) Clamping degree increase, make ADSS optical cable (4) clamping fixed in optical cable wire casing.
2. " three across " ADSS optical cable wedge block clamps security personnel's fitting according to claim 1, it is characterized in that: the wedge block (2) material is polytetrafluoroethylene (PTFE) or PEEK, is provided in the arc groove (7) of wedge block (2) along arc axis direction Zigzag anti-skid structure.
3. " three across " ADSS optical cable wedge block clamps security personnel's fitting according to claim 1, it is characterized in that: further include by according to The lengthening operating stick screw rod that secondary rigidly connected insulating bar (10), link block (14) and double threaded screw (13) form connects specially With tool, operator connects specific purpose tool by the lengthening operating stick screw rod on shaft tower and fitting body (1) is moved to optical cable On the outside of wire clamp (18) and it is looped around wedge groove (9) on ADSS optical cable (4);One end of insulating bar (10) is male end (11), the other end is connected with internal screw thread quick union (12);One end of link block (14) is provided with internal thread hole, passes through the interior spiral shell Pit is connect with the threaded one end of double threaded screw (13), and the other end of link block (14) is connected with internal screw thread quick coupling (12), Link block (14) is connect by the internal screw thread quick coupling (12) of its end with the male end (11) of insulating bar (10);It is double The other end of head screw rod (13) is adapted with the fitting screw hole (5) on fitting body (1).
CN201910409395.3A 2019-05-17 2019-05-17 Three across ADSS optical cable wedge blocks clamp security personnel's fitting Pending CN110401163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910409395.3A CN110401163A (en) 2019-05-17 2019-05-17 Three across ADSS optical cable wedge blocks clamp security personnel's fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910409395.3A CN110401163A (en) 2019-05-17 2019-05-17 Three across ADSS optical cable wedge blocks clamp security personnel's fitting

Publications (1)

Publication Number Publication Date
CN110401163A true CN110401163A (en) 2019-11-01

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CN201910409395.3A Pending CN110401163A (en) 2019-05-17 2019-05-17 Three across ADSS optical cable wedge blocks clamp security personnel's fitting

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190002629A (en) * 2016-06-29 2019-01-08 알리바바 그룹 홀딩 리미티드 Deleting items based on user interaction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190002629A (en) * 2016-06-29 2019-01-08 알리바바 그룹 홀딩 리미티드 Deleting items based on user interaction
KR102198988B1 (en) 2016-06-29 2021-01-07 알리바바 그룹 홀딩 리미티드 Deleting items based on user interaction

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