CN103594974B - Combined tightener for overhead line stringing - Google Patents

Combined tightener for overhead line stringing Download PDF

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Publication number
CN103594974B
CN103594974B CN201310601253.XA CN201310601253A CN103594974B CN 103594974 B CN103594974 B CN 103594974B CN 201310601253 A CN201310601253 A CN 201310601253A CN 103594974 B CN103594974 B CN 103594974B
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China
Prior art keywords
stringing
plate
fixed
coaster
straight panel
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Active
Application number
CN201310601253.XA
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Chinese (zh)
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CN103594974A (en
Inventor
傅冬生
金霖
王捷
吴迪
张劲松
郑凤英
王鹏
罗红波
潘进
崔文琦
叶坦
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State Grid Corp of China SGCC
Xuancheng Power Supply Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xuancheng Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Xuancheng Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310601253.XA priority Critical patent/CN103594974B/en
Publication of CN103594974A publication Critical patent/CN103594974A/en
Application granted granted Critical
Publication of CN103594974B publication Critical patent/CN103594974B/en
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Abstract

The invention discloses a combined tightener for overhead line stringing. The combined tightener comprises a V-shaped body, wherein the V-shaped body comprises two landing legs, and each landing leg is provided with a hook; the two landing legs comprise the first landing leg and the second landing leg, wherein the first landing leg is provided with a fixed plate, and the fixed plate is provided with a fifth through hole which penetrates through the fixed plate in the thickness direction of the fixed plate; the joint of the two landing legs of the V-shaped body is of an arc shape. The combined tightener for overhead line stringing has the advantages of enabling a hauling cable and double-string porcelain insulators to be reliably connected, being capable of improving safety and reliability of electric transmission line conductor stringing, improving stringing efficiency and lowering labor intensity of workers on towers, reducing the number of the workers, being low in construction difficulty and the like.

Description

For the combination type stringing instrument of overhead transmission line stringing
Technical field
The present invention relates to a kind of combination type stringing instrument for overhead transmission line stringing, especially a kind of to be used for power system In overhead line conductor stringing combination type stringing instrument.
Background technology
At present, transmission line wire stringing mode is mainly, and pull rope is fixed on strain clamp.After wire is tightened up, Due to action of gravity, porcelain vase string needs manpower that porcelain vase has been twisted and has been arranged on after wire level on cross arm of tower, this side under circuit Method not only wastes time and energy, and cannot ensure well in the safety of workmen, and circuit stringing efficiency is low, construction cost compared with It is high.
During transmission line of electricity double insulator string string wire stringing, usually lifted on two coasters with a steel wire rope colligation Insulator and wire, after wire is tightened up, due to action of gravity, double porcelain vase strings are issued in circuit gives birth to pendant, need to be with coaster by porcelain vase Twist and be arranged on after wire level on cross arm of tower, double porcelain vase strings or so imbalance had wanted traction stringing, very difficult by this porcelain Bottle is hung on cross-arm hanging point, and method not only makes stringing on bar waste time and energy, and cannot ensure well in safety.
The content of the invention
The present invention is to avoid weak point present in above-mentioned prior art, there is provided a kind of for overhead transmission line stringing Combination type stringing instrument, is difficult to fixation, transmission line wire stringing poor stability, inefficiency, applies to solve double porcelain vase strings The problems such as work difficulty is big.
The present invention is employed the following technical solutions to solve technical problem.
For the combination type stringing instrument of overhead transmission line stringing, it is structurally characterized in that, yoke plate tightener includes V-arrangement body, The V-arrangement body includes two supporting legs, and a hook is provided with each supporting leg in described two supporting legs;The supporting leg includes First supporting leg and the second supporting leg, are provided with a fixed plate on first supporting leg, be provided with the fixed plate one along The thickness direction of the fixed plate penetrates the fifth hole of the fixed plate.
The construction featuress of the combination type stringing instrument for overhead transmission line stringing of the present invention lie also in:
Two supporting leg intersections of the V-arrangement body are arc.
The V-arrangement body is formed by steel bar bending;The fixed plate is steel plate;The V-arrangement body and the fixed plate it Between be welded and fixed together.
Compared with the prior art, the present invention has the beneficial effect that:
The combination type stringing instrument for overhead transmission line stringing of the present invention, by yoke plate tightener pull rope and double is connected String porcelain vase, by twisting mill pulling traction rope stringing stringing, overall structure is simple, convenient and practical, improves circuit stringing efficiency, fully Ensure construction safety, reduce construction cost, with reduce shaft tower on labor intensity, reduce number of workers the advantages of.Through 4 tons of drawings Power is tested for static 15 minutes, it was demonstrated that the combination type stringing instrument for overhead transmission line stringing of the present invention is safe and reliable.
The combination type stringing instrument for overhead transmission line stringing of the present invention, with advantages below:
1) staff on shaft tower is reduced, the people of reason 2~3 operation, existing 1 people can complete whole work;
2) only draw during stringing, reduced uneven stress of the traction to cross arm of tower;
3) porcelain vase string does not drop during stringing, parallel stress, easily connects cross-arm hanging point.
The combination type stringing instrument for overhead transmission line stringing of the present invention, with can by pull rope and double string porcelain vases it Between be reliably connected, can improve transmission line wire stringing work security reliability, improve stringing work efficiency, reduce shaft tower Upper labor intensity, reduces number of workers, the advantages of difficulty of construction is little.
Description of the drawings
Fig. 1 is the front view of the yoke plate tightener of the combination type stringing instrument for overhead transmission line stringing of the present invention.
Fig. 2 is the left view of the yoke plate tightener of the combination type stringing instrument for overhead transmission line stringing of the present invention.
Fig. 3 be using the present invention for the combination type stringing instrument of overhead transmission line stringing construction when state illustrate Figure.
Fig. 4 is the partial enlarged drawing in Fig. 3.
Fig. 5 is the front view of the coaster fixed plate of the present invention.
Fig. 6 is the top view of the coaster fixed plate of the present invention.
Fig. 7 is the front view of the backup plate of the coaster fixed plate of the present invention.
Fig. 8 is the front view of the bulb fixing-line device of the present invention.
Fig. 9 is the left view of the bulb fixing-line device of the present invention.
Figure 10 is the square plate front view of the bulb fixing-line device of the present invention.
Label in 1~accompanying drawing of accompanying drawing 10:1 fixed pulley, 2 first stringing coasters, 3 second stringing coasters, 4 twist mill, 5 tractions Rope, 6 coaster fixed plates, 601 plate-like bodies, 6011U shape grooves, 6012 first through hole, 602 coaster fixed structures, 6021 risers, 60211 third through-holes, 603 backup plates, 6,031 second through holes, 7 bulb fixing-line devices, 701L shape plates, 7,011 first straight panels, 70111 length Square aperture groove, 70,112 first screws, 7,012 second straight panels, 702 square plates, 7021 fourth holes, 703 top boards, 7031 support Plate, 8 yoke plate tighteners, 801V shape bodies, 8,011 first supporting legs, 8,012 second supporting legs, 802 hooks, 803 fixed plates, 8,031 the Five through holes, 9 electric poles, 10 cross-arms, 11 single string porcelain vases, 1101 links, 1102 connecting poles, 12 pairs of string porcelain vases, 1201 connecting plates, 13 Wire, 14 bolts, 15 screws, 1501 draw rings.
Below by way of specific embodiment, and the invention will be further described to combine accompanying drawing.
Specific embodiment
Referring to Fig. 1~Figure 10, for the combination type stringing instrument of overhead transmission line stringing, yoke plate tightener 8 includes V-arrangement body 801, the V-arrangement body 801 includes two supporting legs, and a hook 802 is provided with each supporting leg in described two supporting legs;Institute Supporting leg is stated including the first supporting leg 8011 and the second supporting leg 8012, a fixed plate 803, institute are provided with first supporting leg 8011 State and the fifth hole that a thickness direction along the fixed plate 803 penetrates the fixed plate 803 is provided with fixed plate 803 8031。
Two supporting legs of the yoke plate tightener are made up of a steel bar, and steel bar bending is in the shape of the letter V, and bending part is arc Shape.Each supporting leg is provided with a hook.When stringing is operated, yoke plate tightener is used to connecting double string porcelain vases, and the two of double string porcelain vases A connecting plate 1201 is provided between string porcelain vase 12, multiple through holes are provided with connecting plate 1201.By the two of yoke plate tightener On the individual connecting plate 1201 for hanging over double string porcelain vase 12, the in fixed plate is then sequentially passed through by a bolt 14 Through hole on five through holes and connecting plate 1201, fixed plate 803 and connecting plate 1201 are fixed together, so as to avoid yoke plate stringing Device comes off from double string porcelain vases, the security reliability of stringing work is improved, while having ensured the personal safety of field personnel. Circuit stringing efficiency is improve, construction safety is fully ensured, construction cost is reduced.
When needing stringing, pull rope is fastened into the intersection area of two supporting legs in the yoke plate tightener V-arrangement body, so After start motor-driven grinding mill, by twisting the tight pull rope of grain, so as to carrying out stringing to transmission line wire.
Two supporting leg intersections of the V-arrangement body 801 are arc.
The V-arrangement body 801 is formed by steel bar bending;The fixed plate 803 is steel plate;The V-arrangement body 801 with it is described It is welded and fixed together between fixed plate 803.
The yoke plate tightener of the present invention when in use, is ground with fixed pulley 1, the first stringing coaster 2, the second stringing coaster 3, strand 4th, pull rope 5, the coaster fixed plate 6 for fixing the second stringing coaster 3, for the bulb fixing-line device 7 of clamping list string porcelain vase 11 Etc. combination type stringing instrument is together constituted with, stringing operation is carried out to the wire of overhead transmission line.
The fixed pulley 1 is fixed on the top of electric pole 9;The coaster fixed plate 6 is fixed on the cross-arm 10 of electric pole 9 On, the second stringing coaster 3 is fixed on the coaster fixed plate 6;The first stringing coaster 2 is fixed on electric pole 9 Bottom;The mill 4 that twists is fixed on ground;The pull rope 5 is wound in the traction for twisting on mill 4, being drawn on strand mill 4 Rope 5 bypasses successively the first stringing coaster 2, the stringing coaster 3 of fixed pulley 1 and second, then fastens on the bulb fixing-line device 7; During stringing, strand 4 pulling traction ropes 5 of mill need to be only rotated, you can realize the stringing of line conductor 13.
When needing to carry out stringing to transmission line wire 13, fixed pulley is installed on electric pole 9 (shaft tower or concrete bar) top, The first stringing coaster is fixed at the position on the adjacent ground in bottom of electric pole, motor-driven grinding mill is set on ground.Coaster fixed plate is consolidated On the cross-arm 10 of the electric pole, the second stringing coaster is fixed in coaster fixed plate.Bulb fixing-line device is connected to On single string porcelain vase 11, or yoke plate tightener is arranged on the connecting plate 1201 between two string porcelain vases of double string porcelain vases 12.Twist The pull rope drawn on mill bypass successively fasten after the first stringing coaster, fixed pulley and the second stringing coaster in bulb fixing-line device or In person's yoke plate tightener, motor-driven grinding mill is then started, by twisting the tight pull rope of grain, so as to carrying out to transmission line wire 13 Stringing.
Pull rope one end is fixed on bulb fixing-line device, another after fixed pulley of the pull rope above snatch block, shaft tower One end is fixed on motor-driven grinding mill carries out stringing.This stringing mode, than stronger between porcelain vase and pull rope, and stringing is slided Car is fixed on cross-arm, is not fallen out, thus can improve circuit stringing efficiency, also can fully safeguard work personnel construction peace Entirely, the thing that will not drop injures the phenomenon of staff by a crashing object, reduces construction cost.
The coaster fixed plate 6 includes that plate-like body 601, the coaster for being connected with the second stringing coaster 3 are consolidated Fixed structure 602, the backup plate 603 for being fixed on the plate-like body 601 on the cross-arm 10 of the electric pole 9;The tabular The U-shaped groove 6011 that the thickness direction along the plate-like body 601 penetrates the plate-like body 601 is provided with body 601; In the plate-like body 601, respectively there is a thickness direction along the plate-like body 601 both sides of the U-shaped groove 6011 Penetrate the first through hole 6012 of the plate-like body 601;Two the second through holes 6031 are also equipped with the backup plate 603;It is described Two the second through holes 6031 are corresponding with the position of described two first through hole 6012;The backup plate 603 passes through two bolts 14 It is fixed in the plate-like body 601;The coaster fixed structure 602 is arranged at the top of the plate-like body 601, the cunning Car fixed structure 602 includes two risers 6021, and two risers 6021 are arranged in parallel, each in two risers 6021 Riser 6021 is provided with a third through-hole 60211;One bolt 14 sequentially passes through the third through-hole 60211 of two risers 6021 And be fixed within described two third through-holes 60211.
Coaster fixed plate is made up of three parts:Plate-like body, coaster fixed structure and backup plate.U is provided with plate-like body Shape groove, arranges two first through hole at the opening of U-shaped groove, is also correspondingly arranged two the second through holes on backup plate, two the One through hole and two the second through holes are dimensionally essentially identical, and the distance between two first through hole and two the second through holes The distance between it is equal so that when backup plate is attached in plate-like body, the axis of first through hole and the second through hole can be straight at one On line, two through holes are inserted into so as to backup plate and plate-like body are fixed together in order to a bolt.Backup plate is located at plate The left end of shape body.Coaster fixed structure is arranged on the middle of plate-like body, positioned at the top of plate-like body.Two risers point Not Wei Yu plate-like body both sides, opposing parallel setting.A third through-hole is respectively provided with two risers, two third through-holes are Coaxial line.The third through-hole of one screw bolt passes, two risers, can fasten on bolt after tightening nut.By bolt come The second stringing coaster is fixed, to avoid the second stringing coaster from dropping on ground staff is injured by a crashing object, or dropped on ground The work efficiency of upper impact stringing.
During concrete operations, first the bolt in first through hole is unloaded, take away backup plate, then by the U-shaped groove of plate-like body The side of opening is pressed close on the cross-arm of the electric pole, and cross-arm is clamped between backup plate and plate-like body, then by two spiral shells Bolt inserts respectively two first through hole and two the second through holes, tightening nut, and backup plate, cross-arm and plate-like body are tightly fixed Together, so as to coaster fixed plate is locked at securely on the cross-arm of electric pole.Then, the second stringing coaster is fixed on into institute State on coaster fixed structure, so as to the second stringing coaster is fixed on cross-arm securely, it is to avoid the second stringing coaster is in stringing Drop in the course of work and accidentally injure staff, improve the security reliability of work on the spot, fully ensure construction safety.
A stock is fixed with the axle of the second stringing coaster, the lower end of the stock is provided with an annulus, and the annulus is enclosed within Through on the bolt of two third through-holes, and annulus is stuck on the position between two risers.
The plate-like body 601 is arc, and the coaster fixed structure 602 is located at the arc top of the plate-like body 601 Place.
The bulb fixing-line device 7 includes screw 15 of the square plate 702, three of L shaped plate 701, with draw ring 1501 With a top board 703, the L shaped plate 701 include the first straight panel 7011 and be mutually fixedly connected with first straight panel 7011 the Two straight panels 7012;One end in first straight panel 7011 away from second straight panel 7012 is provided with one along described first Oblong openings groove 70111 of the thickness direction of straight panel 7011 through first straight panel 7011;In first straight panel 7011, First screw 70112 is respectively offered in the both sides of oblong openings groove 70111;Two are offered in the square plate 702 Four through holes 7021;
The top board 703 is fixedly installed on the plate of the side in second straight panel 7012 away from first straight panel 7011 On face, the second screw that the thickness direction along the top board 703 penetrates the top board 703 is provided with the top board 703;Institute State the thickness direction being provided with the second straight panel 7012 along second straight panel 7012 and penetrate the of second straight panel 7012 Three screws;The axis of the axis of second screw and the 3rd screw is point-blank.
The plate face of first straight panel and the plate face of the second straight panel are mutually perpendicular to, and the two is mutually solid in orthogonal mode It is fixed.The spacing between two fourth holes in spacing and square plate between two the first screws of the first straight panel is equal, and first The diameter of screw and fourth hole is also identical.By screwing in the screw 15 in fourth hole and the first screw successively, can be by Square plate is fixed in first straight panel, is engaged between the screw thread of screw 15 and the screw thread of the first screw.
The bulb fixing-line device is used to connect single string porcelain vase 11.The end of single string porcelain vase 11 is provided with link 1101, described It is connected by connecting pole 1102 between link and porcelain vase.When stringing is operated, bulb fixing-line device is arranged on into the connecting pole On 1102, the connecting pole 1102 is located in the oblong openings groove.Then square plate is consolidated by the screw 15 with draw ring It is scheduled in first straight panel, so as to the connecting pole 1102 of single string porcelain vase be locked in the oblong openings groove, thus Bulb fixing-line device can be avoided to come off from single string porcelain vase, the security reliability of stringing work is improved, while having ensured live work Make the personal safety of personnel.Then pull rope is fastened on the bulb fixing-line device, then starts motor-driven grinding mill, by twisting mill Pull rope is tensed, so as to carrying out stringing to transmission line wire.
Screw 15 with draw ring screws in successively the second screw and the 3rd screw, and screw is fixed on into top board and the second straight panel On.The top board 703 is inverted U-shaped plate, and the gripper shoe 7031 of the both sides of top board 703 is fixed on the plate face of second straight panel 7012 On.

Claims (3)

1. it is used for the combination type stringing instrument of overhead transmission line stringing, it is characterized in that, yoke plate tightener (8) is including V-arrangement body (801), the V-arrangement body (801) includes two supporting legs, and a hook is provided with each supporting leg in described two supporting legs (802);The supporting leg includes the first supporting leg (8011) and the second supporting leg (8012), and on first supporting leg (8011) one is provided with Individual fixed plate (803), is provided with a thickness direction along the fixed plate (803) and penetrates institute on the fixed plate (803) State the fifth hole (8031) of fixed plate (803);
Yoke plate tightener when in use, is ground (4), is led with fixed pulley (1), the first stringing coaster (2), the second stringing coaster (3), strand Messenger (5), the coaster fixed plate (6) for fixing the second stringing coaster (3), for the bulb card line of clamping list string porcelain vase (11) Device (7) together constitutes with combination type stringing instrument, and to the wire of overhead transmission line stringing operation is carried out;
The fixed pulley (1) is fixed on the top of electric pole (9);The coaster fixed plate (6) is fixed on the cross-arm of electric pole (9) (10) on, the second stringing coaster (3) is fixed on the coaster fixed plate (6);The first stringing coaster (2) is fixed In the bottom of electric pole (9);The mill (4) that twists is fixed on ground;The pull rope (5) is wound in described strand and grinds on (4), twists The pull rope (5) drawn on mill (4) bypasses successively the first stringing coaster (2), fixed pulley (1) and the second stringing coaster (3), so After fasten on the bulb fixing-line device (7);During stringing, strand mill (4) pulling traction rope (5) need to be only rotated, you can realize circuit The stringing of wire (13);
The coaster fixed plate (6) includes plate-like body (601), the coaster for being connected with the second stringing coaster (3) Fixed structure (602), the backup plate for the plate-like body (601) to be fixed on the cross-arm of the electric pole (9) (10) (603);
First the bolt in first through hole is unloaded, backup plate is taken away, then institute is pressed close in the side of the U-shaped groove opening of plate-like body State on the cross-arm of electric pole, cross-arm is clamped between backup plate and plate-like body, then two bolts are inserted into respectively two One through hole and two the second through holes, tightening nut is tightly held in backup plate, cross-arm and plate-like body together, so as to slide Car fixed plate is locked at securely on the cross-arm of electric pole;Then, the second stringing coaster is fixed on into the coaster fixed structure On, so as to the second stringing coaster is fixed on cross-arm securely;
The bulb fixing-line device (7) includes a L shaped plate (701), square plate (702), three spiral shells with draw ring (1501) Nail (15) and a top board (703), the L shaped plate (701) including the first straight panel (7011) and with first straight panel (7011) The second straight panel (7012) being mutually fixedly connected;One end on first straight panel (7011) away from second straight panel (7012) sets It is equipped with oblong openings groove of the thickness direction along first straight panel (7011) through first straight panel (7011) (70111);On first straight panel (7011), in the both sides of oblong openings groove (70111) first screw is respectively offered (70112);Two fourth holes (7021) are offered on the square plate (702);
The top board (703) is fixedly installed on the side on second straight panel (7012) away from first straight panel (7011) In plate face, the thickness direction being provided with the top board (703) along the top board (703) penetrates the of the top board (703) Two screws;The thickness direction being provided with second straight panel (7012) along second straight panel (7012) penetrates described second 3rd screw of straight panel (7012);The axis of the axis of second screw and the 3rd screw is point-blank.
2. the combination type stringing instrument for overhead transmission line stringing according to claim 1, is characterized in that, the V-arrangement sheet Two supporting leg intersections of body (801) are arc.
3. the combination type stringing instrument for overhead transmission line stringing according to claim 1 and 2, is characterized in that, the V-arrangement Body (801) is formed by steel bar bending;The fixed plate (803) is steel plate;The V-arrangement body (801) and the fixed plate (803) it is welded and fixed together between.
CN201310601253.XA 2013-11-25 2013-11-25 Combined tightener for overhead line stringing Active CN103594974B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107907801B (en) * 2017-11-14 2020-01-14 国网四川省电力公司攀枝花供电公司 A mount for salt density and ash density detect
CN112467669A (en) * 2020-11-03 2021-03-09 广东电网有限责任公司 External damage protection device is prevented to transmission line

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201369521Y (en) * 2009-02-11 2009-12-23 重庆市电力公司沙坪坝供电局 Bottom-upward pulley
CN201750091U (en) * 2010-08-15 2011-02-16 山东电力集团公司临沂供电公司 Dedicated tool for line tightening/un-tightening of power transmission line

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012175876A (en) * 2011-02-24 2012-09-10 Chugoku Electric Power Co Inc:The Temporary coupling metal fitting for strain clamp
CN102931612A (en) * 2012-10-31 2013-02-13 国家电网公司 Conducting wire fixer for 10kV live working
CN203553772U (en) * 2013-11-25 2014-04-16 国家电网公司 Yoke plate line tightening device used for tightening overhead lines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201369521Y (en) * 2009-02-11 2009-12-23 重庆市电力公司沙坪坝供电局 Bottom-upward pulley
CN201750091U (en) * 2010-08-15 2011-02-16 山东电力集团公司临沂供电公司 Dedicated tool for line tightening/un-tightening of power transmission line

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
220kV输电线路紧线施工技术的改进措施;余诗俊;《江西电力》;20100228;第34卷(第1期);第29页第1.1节,第30页第2.1节,附图1-2 *

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