CN105762712B - A kind of low pressure stringing wire tensioning device and stringing method - Google Patents

A kind of low pressure stringing wire tensioning device and stringing method Download PDF

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Publication number
CN105762712B
CN105762712B CN201610203670.2A CN201610203670A CN105762712B CN 105762712 B CN105762712 B CN 105762712B CN 201610203670 A CN201610203670 A CN 201610203670A CN 105762712 B CN105762712 B CN 105762712B
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CN
China
Prior art keywords
fixed plate
trapezoid support
motor
stringing
pulley
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.)
Expired - Fee Related
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CN201610203670.2A
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Chinese (zh)
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CN105762712A (en
Inventor
张俊峰
王凯
张致壮
刘振华
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Zhangqiu Power Supply Co Of State Grid Shandong Electric Power Co
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Zhangqiu Power Supply Co Of State Grid Shandong Electric Power Co
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Application filed by Zhangqiu Power Supply Co Of State Grid Shandong Electric Power Co filed Critical Zhangqiu Power Supply Co Of State Grid Shandong Electric Power Co
Priority to CN201610203670.2A priority Critical patent/CN105762712B/en
Publication of CN105762712A publication Critical patent/CN105762712A/en
Application granted granted Critical
Publication of CN105762712B publication Critical patent/CN105762712B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • H02G1/04Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching

Abstract

The invention discloses a kind of low pressure stringing wire tensioning device and stringing method, is related to power system stringing technical field.Including device part, ground installation part, steel wire strop and power section on electric wire bar part, bar;The wire tensioning device small volume, occupy little space, and easily carry, be both adapted to, in the area of bad environments, also be adapted for plains region;The present invention is simple to manufacture, and relative to stringing vehicle and unmanned stringing machine, required cost is low, and maintenance cost is few;The present invention carries out tension electric wire using reel so that floor space is reduced during construction, the device is adapted in the use of the mountain area of bad environments;The wire tensioning device can be tensed electric wire by crank when electric wire is lighter, and when electric wire is long and again, motor produces dynamic tensile electric wire, can greatly mitigate manpower, and more convenient and quicker;Present invention employs dc motor as power section so that motor start-up is fast, good speed adjustment features, beneficial to control.

Description

A kind of low pressure stringing wire tensioning device and stringing method
Technical field
The present invention relates to power system wire-binding device technical field, more particularly to a kind of low pressure stringing wire tensioning device.
Background technology
Recently as the continuous development of science and technology, power system items technology constantly moves to maturity.At present, power system Circuit stringing has evolved to the high scientific and technological levels such as unmanned plane stringing, stringing vehicle stringing, time saving, laborsaving.But these equipment are more For high pressure stringing, if used in village low pressure stringing when, just seem low load with strong power, and does not also almost have in rural area Stringing vehicle and unmanned plane are used for stringing.In the bumpy mountain area of some physical features, poor mountain village, unmanned plane stringing and stringing vehicle are used It is just more unrealistic;It can not also be used even if there is such equipment, the reason for for fear of physical features;And it is high to undertake equipment Expense.Therefore it is still much that electric wire is stretched using manpower in rural area stringing, is then attached on the porcelain vase of cross-arm, So stringing not only waste of manpower, and the sag of electric wire can be caused not meet national standard, the accident such as easily occur breaking.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of low pressure stringing wire tensioning device, small volume, Occupy little space, easily carry, relative to stringing vehicle and unmanned plane stringing, cost is low, is adapted in the use of the mountain area of bad environments. Present invention also offers a kind of method for carrying out stringing with wire tensioning device using the low pressure stringing.To achieve the above object, this hair Technical scheme is used by bright:A kind of low pressure stringing wire tensioning device, including device part, ground on electric wire bar part, bar Device part, steel wire strop and power section, wherein electric wire bar part include electric pole, cross-arm, U-shaped anchor ear, nut, porcelain Bottle;Device part includes trapezoid support, small fixed plate, the first screw, pulley bracket, pulley, big fixed plate, the second screw on bar And string holes;Ground installation part includes L-type base, roller stand, ball bearing, reel, crank, gear, rectangle iron plate, iron Piece fixing axle, reel fixing hole and big belt wheel;The bottom of electric pole is embedded in underground or is cast in cement concrete, and electricity Line bar is perpendicular to ground;The top of electric pole is provided with cross-arm, and cross-arm is mutually perpendicular to electric pole, and cross-arm passes through U-shaped armful Hoop and nut are fixed to the top of electric pole;Three porcelain vases are installed, porcelain vase is uniformly distributed on cross-arm above cross-arm;Cross-arm Lower section be device part on bar, be trapezoid support below U-shaped anchor ear, the side of trapezoid support is provided with screwed hole, small fixation Plate is also provided with screwed hole, and trapezoid support is identical with small fixed plate screwed hole internal diameter, and trapezoid support and small fixed plate pass through the first spiral shell Nail links together;Trapezoid support is pulley bracket for top, and pulley bracket is welded as a whole with trapezoid support;Pulley bracket Groove is provided with, pulley is installed in groove;The bottom sides of trapezoid support are also provided with screwed hole, and big fixed plate is also provided with screwed hole And internal diameter is identical, trapezoid support by the second mode connects for screw and is fixed on utility poles with big fixed plate;Small fixed plate plane and Big fixed plate plane is spatially parallel to each other;One end of trapezoid support and pulley bracket junction is provided with string holes, string holes and cunning Plane where wheel support bottom is mutually perpendicular to;Ground installation part is arranged on the junction on electric pole and ground, pole bottom L-type base is provided with, the both ends in L-type base length direction are provided with roller stand, rolling is provided with the center of roller stand Pearl bearing, reel are arranged on ball bearing;One ball bearing and gear are coaxially connected, another ball bearing and big belt wheel It is coaxially connected;Crank is provided with the side of gear, crank welds together with gear;The top of the roller stand of gear side Groove is provided with, rectangle iron plate is connected on roller stand by iron plate fixing axle.
Further optimize the technical program, described steel wire strop includes steel wire rope and lock, and one end of steel wire rope is consolidated Surely it is connected on reel fixing hole, the other end is fixedly connected with lock.
Further optimize the technical program, described power section includes power supply, control module, motor base, electronic Machine, small pulley, driving belt and fixing screws, power supply are motor, and under the control of control module start or Stop;Four angles of motor base are provided with circular hole, and motor base is fixed on L-type base by fixing screws through circular hole; Motor is fixedly attached on motor base;Small pulley, big belt wheel and small pulley are installed positioned at same on motor rotor shaft On one horizontal plane, big belt wheel and small pulley are connected by driving belt.
Further optimize the technical program, described power supply is battery either power network by straight caused by rectifying and voltage-stabilizing Stream electricity.
Further optimize the technical program, described motor uses dc motor.
Present invention also offers a kind of using the low pressure stringing method of wire tensioning device stringing, comprise the following steps:
A, small fixed plate and trapezoid support upper end are attached with the first screw first, big fixed plate and trapezoid support Lower end is attached with the second screw, and, small fixed plate, big fixed plate and trapezoid support can be with by trapezoid support set on utility poles Moved up and down along the direction of electric pole;
B, by trapezoid support move to the top of electric pole, cross-arm lower section, with the first screw and the second screw by trapezoidal branch Frame is fixed to upper part of telegraph pole by small fixed plate and big fixed plate;
C, steel wire rope one end of steel wire strop is fixed on reel fixing hole, then passes through the string holes on trapezoid support It is wound on pulley, other end connection lock, latches and be connected with the electric wire one end for needing to tense;
D, by crank rotating drum, or by motor driving reel, steel wire rope is driven to be twined around pulley rotation, steel wire rope It is wound on reel, electric wire is gradually tensed;
E, when electric wire is tightened to the sag of code requirement, stop operating crank or closing motor, by rectangle iron plate Gone to around iron plate fixing axle on gear, gear is blocked with rectangle iron plate;
F, electric wire is fixed on the porcelain vase on cross-arm;
G, the lock of steel wire rope strop 4 is opened, electric wire and steel wire rope strop is separated.
Compared with prior art, the present invention has advantages below:
1st, wire tensioning device small volume, occupy little space, and easily carry, be adapted to, in the area of bad environments, also be adapted for putting down Original area;
2nd, the present invention is simple to manufacture, and relative to stringing vehicle and unmanned stringing machine, cost needed for device is low, and maintenance cost It is few;
3rd, present invention uses reel to carry out tension electric wire so that construction area is reduced, and is allowed to the device and is adapted to The mountain area of bad environments uses;
4th, the device is provided with power section and manpower two parts carry out stretching electric wire, can when electric wire is lighter To be tensed electric wire by crank, when electric wire is long and again, power section produces dynamic tensile electric wire, can be very big Mitigation manpower, and more convenient and quicker;
5th, present invention employs dc motor as power section so that motor start-up is fast, good speed adjustment features, is beneficial to Control.
Brief description of the drawings
Fig. 1 is a kind of general structure schematic diagram of low pressure stringing wire tensioning device.
Fig. 2 is a kind of fixture structure front view of low pressure stringing wire tensioning device.
Fig. 3 is a kind of fixture structure right view of low pressure stringing wire tensioning device.
Fig. 4 is a kind of power set result front view of low pressure stringing wire tensioning device.
Fig. 5 is a kind of fixture structure right view of low pressure stringing wire tensioning device.
Fig. 6 is a kind of steel wire rope strop structural representation of low pressure stringing wire tensioning device.
Fig. 7 is a kind of control circuit block diagram of low pressure stringing wire tensioning device.
Fig. 8 is a kind of structural representation of the driving belt of low pressure stringing wire tensioning device.
In figure:1st, electric wire bar part;101st, electric pole;102nd, cross-arm;103rd, U-shaped anchor ear;104th, nut;105th, porcelain vase; 2nd, device part on bar;201st, trapezoid support;202nd, small fixed plate;203rd, the first screw;204th, pulley bracket;205th, pulley; 206th, big fixed plate;207th, the second screw;208th, string holes;3rd, ground installation part;301st, L-type base;302nd, roller stand; 303rd, ball bearing;304th, reel;305th, crank;306th, gear;307th, rectangle iron plate;308th, iron plate fixing axle;309th, roll up Cylinder fixing hole;310th, big belt wheel;4th, steel wire strop;401st, steel wire rope;402nd, latch;5th, power section;501st, power supply;502、 Control module;503rd, motor base;504th, motor;505th, small pulley;506th, driving belt;507th, fixing screws.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this The concept of invention.
Embodiment one:
Referring to Fig. 1-8, a kind of low pressure stringing is filled with wire tensioning device including device part 2, ground on electric wire bar part 1, bar Part 3, steel wire strop 4 and power section 5 are put, wherein electric wire bar part 1 includes electric pole 101, cross-arm 102, U-shaped anchor ear 103rd, nut 104, porcelain vase 105;Device part 2 includes trapezoid support 201, small fixed plate 202, the first screw 203, pulley on bar Support 204, pulley 205, big fixed plate 206, the second screw 207 and string holes 208;Ground installation part 3 include L-type base 301, Roller stand 302, ball bearing 303, reel 304, crank 305, gear 306, rectangle iron plate 307, iron plate fixing axle 308, Reel fixing hole 309 and big belt wheel 310;The bottom of electric pole 101 is embedded in underground or is cast in cement concrete, and electricity Line bar 101 is perpendicular to ground;The top of electric pole 101 is provided with cross-arm 102, and cross-arm 102 is mutually perpendicular to electric pole 101, and And cross-arm 102 is fixed to the top of electric pole 101 by U-shaped anchor ear 103 and nut 104;The top of cross-arm 102 is provided with three Porcelain vase 105, porcelain vase 105 are uniformly distributed on cross-arm 102;The lower section of cross-arm 102 is device part 2 on bar, U-shaped anchor ear 103 Lower section is trapezoid support 201, and the side on the top of trapezoid support 201 is provided with screwed hole, and small fixed plate 202 is also provided with screwed hole, Trapezoid support 201 is identical with the small screwed hole internal diameter of fixed plate 202, and trapezoid support 201 and small fixed plate 202 pass through the first screw 203 link together;The top of trapezoid support 201 is pulley bracket 204, and pulley bracket 204 is welded as one with trapezoid support 201 Body;Pulley bracket 204 is provided with groove, and pulley 205 is provided with groove;The bottom sides of trapezoid support 201 are also provided with screwed hole, Big fixed plate 206 is also provided with screwed hole and internal diameter is identical, and trapezoid support 201 is connected with big fixed plate 206 by the second screw 207 And it is fixed on electric pole 101;The small plane of fixed plate 202 and big fixed plate 206 plane is spatially parallel to each other;Trapezoid support 201 and one end of the junction of pulley bracket 204 be provided with string holes 208, plane where string holes 208 and the bottom of pulley bracket 204 is mutual Vertically;Ground installation part 3 is arranged on the junction on electric pole 101 and ground, and the bottom of electric pole 101 is provided with L-type base 301, the both ends of the length direction of L-type base 301 are provided with roller stand 302, and ball is provided with the center of roller stand 302 Bearing 303, reel 304 are arranged on ball bearing 303;One ball bearing 303 and gear 306 are coaxially connected, another rolling Pearl bearing 303 and big belt wheel 310 are coaxially connected;Crank 305, crank 305 and gear 306 are provided with the side of gear 306 Weld together;The top of the roller stand 302 of gear side is provided with groove, and rectangle iron plate 307 is connected by iron plate fixing axle 308 On roller stand 302;Steel wire strop 4 includes steel wire rope 401 and lock 402, and one end of steel wire rope 401 is fixedly connected on volume On cylinder fixing hole 309, the other end is fixedly connected with lock 402;Power section 5 includes power supply 501, control module 502, motor Pedestal 503, motor 504, small pulley 505, driving belt 506 and fixing screws 507, power supply 501 are that motor 504 is powered, And start under the control of control module 502 or stop;Four angles of motor base 503 are provided with circular hole, fixing screws 507 are fixed to motor base 503 on L-type base 301 through circular hole;Motor 504 is fixedly attached to motor base 503 On;Small pulley 505 is installed, big belt wheel 310 and small pulley 505 are located in same level, big band on the armature spindle of motor 504 Wheel 310 and small pulley 505 are connected by driving belt 506;Power supply 501 can be battery either power network through over commutation Direct current caused by voltage stabilizing;Motor 504 uses dc motor.
Embodiment two:
It is a kind of using the low pressure stringing method of wire tensioning device stringing, comprise the following steps:
A, small fixed plate 202 and the upper end of trapezoid support 201 are attached with the first screw 203 first, big fixed plate 206 It is attached, trapezoid support 201 is enclosed on electric pole 101, small fixation with the second screw 207 with the lower end of trapezoid support 201 Plate 202, big fixed plate 206 and trapezoid support 201 can move up and down along the direction of electric pole 101;
B, by trapezoid support 201 move to the top of electric pole 101, cross-arm 102 lower section, with the first screw 203 and second Trapezoid support 201 is fixed to the top of electric pole 101 by screw 207 by small fixed plate 202 and big fixed plate 206;
C, one end of steel wire rope 401 of steel wire strop 4 is fixed on reel fixing hole 309, then passes through trapezoid support String holes 208 on 201 is wound on pulley 205, and other end connection lock 402, lock 402 connects with the electric wire one end for needing to tense Connect;
D, by the rotating drum 304 of crank 305, or by the driving reel 304 of motor 504, steel wire rope 401 is driven around cunning Wheel 205 rotates, and steel wire rope 401 is wrapped on reel 304, electric wire is gradually tensed;
E, when electric wire is tightened to the sag of code requirement, stop operating crank 305 or closing motor 504, will be rectangular Shape iron plate 307 is gone on gear 306 around iron plate fixing axle 308, and gear 306 is blocked with rectangle iron plate 307;
F, electric wire is fixed on the porcelain vase 105 on cross-arm 102;
G, the lock 402 of steel wire rope strop 4 is opened, electric wire and steel wire rope strop 4 is separated.
The low pressure stringing wire tensioning device of above-described embodiment is simple in construction, when setting up thinner and light electric wire, only needs Want two worker's cans to complete the task of stringing, be greatly saved manpower;And it is direct to instead of manpower using reel 304 Stretched, it is not only laborsaving and faster;The device is simply light and handy, is not only suitable for the mountain area of bad environments, also is adapted for putting down Smooth Plain, equipment is simple, is easy to carry about with one, is cheap.The device volume is small, occupies little space, and easily carries, and is both adapted to In the area of bad environments, plains region also is adapted for;The present invention is simple to manufacture, required relative to stringing vehicle and unmanned stringing machine Cost is low, and maintenance cost is few;Present invention uses reel 304 to carry out tension electric wire so that construction area is reduced, and is made The device is adapted in the use of the mountain area of bad environments;The device is provided with motor and manpower two parts carry out stretching electric wire, when When electric wire is lighter, electric wire can be tensed by crank 305, when electric wire is long and again, power section production Raw dynamic tensile electric wire, can greatly mitigate manpower, and more convenient and quicker;Present invention employs dc motor as dynamic Power source so that motor 504 starts soon, good speed adjustment features, beneficial to control.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing Change example.

Claims (2)

  1. A kind of 1. low pressure stringing wire tensioning device, it is characterised in that:Including device part (2) on electric wire bar part (1), bar, Face device part (3), steel wire strop (4) and power section (5), wherein electric wire bar part (1) include electric pole (101), horizontal stroke Carry on a shoulder pole (102), U-shaped anchor ear (103), nut (104), porcelain vase (105);Device part (2) include trapezoid support (201), small on bar Fixed plate (202), the first screw (203), pulley bracket (204), pulley (205), big fixed plate (206), the second screw (207) With string holes (208);Ground installation part (3) includes L-type base (301), roller stand (302), ball bearing (303), reel (304), crank (305), gear (306), rectangle iron plate (307), iron plate fixing axle (308), reel fixing hole (309) and big Belt wheel (310);The bottom of electric pole (101) is embedded in underground or is cast in cement concrete, and electric pole (101) is vertical In ground;The top of electric pole (101) is provided with cross-arm (102), and cross-arm (102) is mutually perpendicular to electric pole (101), and horizontal Carry on a shoulder pole the top that (102) are fixed to electric pole (101) by U-shaped anchor ear (103) and nut (104);The top installation of cross-arm (102) There are three porcelain vases (105), porcelain vase (105) is uniformly distributed on cross-arm (102);The lower section of cross-arm (102) is device part on bar (2) it is, trapezoid support (201) below U-shaped anchor ear (103), the side on the top of trapezoid support (201) is provided with screwed hole, small Fixed plate (202) is also provided with screwed hole, and trapezoid support (201) is identical with small fixed plate (202) screwed hole internal diameter, trapezoid support (201) linked together with small fixed plate (202) by the first screw (203);The top of trapezoid support (201) is pulley bracket (204), pulley bracket (204) is welded as a whole with trapezoid support (201);Pulley bracket (204) is provided with groove, is installed in groove There is pulley (205);The bottom sides of trapezoid support (201) are also provided with screwed hole, and big fixed plate (206) is also provided with screwed hole and interior Footpath is identical, and trapezoid support (201) is connected by the second screw (207) with big fixed plate (206) and is fixed on electric pole (101) On;Small fixed plate (202) plane and big fixed plate (206) plane are spatially parallel to each other;Trapezoid support (201) and pulley branch One end of frame (204) junction is provided with string holes (208), and string holes (208) is mutually hung down with plane where pulley bracket (204) bottom Directly;Ground installation part (3) is arranged on the junction on electric pole (101) and ground, and electric pole (101) bottom is provided with L-type bottom Seat (301), the both ends of L-type base (301) length direction are provided with roller stand (302), at the center of roller stand (302) Ball bearing (303) is installed, reel (304) is arranged on ball bearing (303);One ball bearing (303) and gear (306) coaxially connected, another ball bearing (303) and big belt wheel (310) are coaxially connected;Set on the side of gear (306) Crank (305) is equipped with, crank (305) welds together with gear (306);The top of the roller stand (302) of gear (306) side Groove is provided with, rectangle iron plate (307) is connected on roller stand (302) by iron plate fixing axle (308);
    Steel wire strop (4) includes steel wire rope (401) and lock (402), and one end of steel wire rope (401) is fixedly connected on reel and consolidated Determine on hole (309), the other end is fixedly connected with lock (402);
    Power section (5) includes power supply (501), control module (502), motor base (503), motor (504), small pulley (505), driving belt (506) and fixing screws (507), power supply (501) are powered for motor (504), and in control module (502) start under control or stop;Four angles of motor base (503) are provided with circular hole, and fixing screws (507) pass through circle Motor base (503) is fixed on L-type base (301) by hole;Motor (504) is fixedly attached to motor base (503) On;Small pulley (505) is installed, big belt wheel (310) and small pulley (505) are located at same level on motor (504) armature spindle On face, big belt wheel (310) and small pulley (505) are connected by driving belt (506);
    Power supply (501) is that battery either power network passes through direct current caused by rectifying and voltage-stabilizing;
    Motor (504) uses dc motor.
  2. 2. a kind of utilize a kind of method of low pressure stringing wire tensioning device stringing described in claim 1, it is characterised in that:Including with Lower step:
    A, first by small fixed plate( 202)And trapezoid support(201)The first screw of upper end(203)It is attached, it is big fixed Plate(206)And trapezoid support(201)Lower end with the second screw(207)It is attached, by trapezoid support(201)It is enclosed on electric pole (101)On, small fixed plate(202), big fixed plate(206)And trapezoid support(201)Can be along electric pole(101)Direction do Move up and down;
    B, by trapezoid support(201)Move electric pole to(101)Top, cross-arm(102)Lower section, with the first screw(203)With Second screw(207)By trapezoid support(201)Pass through small fixed plate(202)With big fixed plate(206)Fixed to electric pole(101) Top;
    C, by steel wire strop(4)Steel wire rope(401)One end is fixed on reel fixing hole(309)On, then pass through trapezoidal branch Frame(201 )On string holes(208)It is wound on pulley(205)On, other end connection lock(402), lock(402)With needing to tense Electric wire one end connection;
    D, crank is passed through(305)Rotating drum(304), or pass through motor(504)Drive reel(304), drive steel wire rope (401)Around pulley(205)Rotate, steel wire rope(401)It is wrapped in reel(304)On, electric wire is gradually tensed;
    E, when electric wire is tightened to the sag of code requirement, stop operating crank(305)Or close motor(504), will be rectangular Shape iron plate(307)Around iron plate fixing axle(308)Go to gear(306)On, with rectangle iron plate(307)Block gear(306);
    F, electric wire is fixed to cross-arm(102)On porcelain vase(105)On;
    G, by steel wire rope strop(4)Lock(402)Open, by electric wire and steel wire rope strop(4)Separate.
CN201610203670.2A 2016-04-05 2016-04-05 A kind of low pressure stringing wire tensioning device and stringing method Expired - Fee Related CN105762712B (en)

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Publication number Priority date Publication date Assignee Title
CN106961085B (en) * 2017-05-17 2018-04-13 国网湖北省电力有限公司荆门供电公司 A kind of electric wire stringing method being used between mountain top
CN108075399B (en) * 2017-05-17 2019-08-30 绍兴市寅创科技有限公司 Electric wire wire-binding device between a kind of mountain top

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CN203722140U (en) * 2014-02-28 2014-07-16 国家电网公司 Manual wire tightening device for electrical-power wiring
CN104953507A (en) * 2015-06-30 2015-09-30 国网山东招远市供电公司 Device and method for lifting wire during distribution line construction
CN105384001A (en) * 2015-12-16 2016-03-09 苏州朗睿杰自动化科技有限公司 Double-acting spool stand
CN205565531U (en) * 2016-04-05 2016-09-07 国网山东省电力公司章丘市供电公司 Low pressure is tensioner bullwheel for overhead line

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CN203722140U (en) * 2014-02-28 2014-07-16 国家电网公司 Manual wire tightening device for electrical-power wiring
CN104953507A (en) * 2015-06-30 2015-09-30 国网山东招远市供电公司 Device and method for lifting wire during distribution line construction
CN105384001A (en) * 2015-12-16 2016-03-09 苏州朗睿杰自动化科技有限公司 Double-acting spool stand
CN205565531U (en) * 2016-04-05 2016-09-07 国网山东省电力公司章丘市供电公司 Low pressure is tensioner bullwheel for overhead line

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