CN103579952B - Bulb fixing-line device for overhead transmission line stringing - Google Patents
Bulb fixing-line device for overhead transmission line stringing Download PDFInfo
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- CN103579952B CN103579952B CN201310601870.XA CN201310601870A CN103579952B CN 103579952 B CN103579952 B CN 103579952B CN 201310601870 A CN201310601870 A CN 201310601870A CN 103579952 B CN103579952 B CN 103579952B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 229910052573 porcelain Inorganic materials 0.000 abstract description 26
- 238000010276 construction Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention discloses a kind of bulb fixing-line device for overhead transmission line stringing, including L shaped plate, side's plate, three screws with draw ring and top board, L shaped plate includes the first straight plate and the second straight plate;First straight plate is provided with an oblong openings groove away from one end of the second straight plate;On first straight plate, respectively offer first screw in the both sides of oblong openings groove;Side's plate offers two fourth holes;Top board is fixedly installed on the plate face of the side on the second straight plate away from the first straight plate, and top board is provided with the second screw;Second straight plate is provided with the thickness direction along the second straight plate and penetrates the 3rd screw of the second straight plate;The axis of the second screw and the axis of the 3rd screw are point-blank。The present invention for the bulb fixing-line device of overhead transmission line stringing, have can make the security reliability being reliably connected, can improving the work of transmission line wire stringing between pull rope and single string porcelain vase, the advantage such as the work efficiency that improves stringing。
Description
Technical field
The present invention relates to a kind of bulb fixing-line device for overhead transmission line stringing, especially a kind of bulb fixing-line device for the overhead line conductor stringing in power system。
Background technology
At present, pull rope mainly, is fixed on strain clamp by transmission line wire stringing mode。After wire tightens up, due to action of gravity, porcelain vase string is under circuit, needing manpower to be twisted by porcelain vase and be arranged on cross arm of tower after wire level, the method not only wastes time and energy, and can not get good guarantee in the safety of workmen, circuit stringing efficiency is low, and construction cost is higher。
At present, when transmission line of electricity list insulator string string wire stringing, it is usually and at below second porcelain vase of cross-arm (steel wire rope and insulator contact position pad gunnysack), pull rope is fixed on strain clamp with a steel wire rope colligation, after wire tightens up, due to action of gravity, porcelain vase string issues at circuit and gives birth to pendant, needs manpower to be twisted by porcelain vase and is arranged on cross arm of tower after wire level, the method not only makes stringing on bar waste time and energy, and can not get good guarantee in safety。
Summary of the invention
The present invention is for avoiding the weak point existed in above-mentioned prior art, it is provided that a kind of bulb fixing-line device for overhead transmission line stringing, to solve single string porcelain vase and easily drop, the problem such as transmission line wire stringing poor stability, inefficiency。
The present invention solves that technical problem is by the following technical solutions。
Bulb fixing-line device for overhead transmission line stringing, it is structurally characterized in that, described bulb fixing-line device includes a L shaped plate, a square plate, three screws with draw ring and a top board, and described L shaped plate includes the first straight plate and the second straight plate being fixedly connected with the described first straight plate;Described first straight plate is provided with a thickness direction along the described first straight plate away from one end of the described second straight plate and runs through the oblong openings groove of the described first straight plate;On described first straight plate, respectively offer first screw in the both sides of oblong openings groove;Described side's plate offers two fourth holes;
Described top board is fixedly installed on the plate face of the side on the described second straight plate away from the described first straight plate, described top board is provided with the thickness direction along described top board and penetrates the second screw of described top board;Described second straight plate is provided with the thickness direction along the described second straight plate and penetrates the 3rd screw of the described second straight plate;The axis of described second screw and the axis of described 3rd screw are point-blank。
The construction features for the bulb fixing-line device of overhead transmission line stringing of the present invention lies also in:
Described top board is inverted U-shaped plate, and the gripper shoe of top board both sides is fixed on the plate face of the described second straight plate。
Described L shaped plate, side's plate and top board are steelwork。
Compared with the prior art, the present invention has the beneficial effect that:
The bulb fixing-line device for overhead transmission line stringing of the present invention, connects single string porcelain vase and pull rope by bulb fixing-line device, by twisting mill pulling traction rope stringing stringing, overall structure is simple, convenient and practical, improve circuit stringing efficiency, fully ensure construction safety, reduce construction cost。Through the test in 15 minutes of 4 tons of Instron Static, it was demonstrated that the bulb fixing-line device for overhead transmission line stringing of the present invention is safe and reliable。
The bulb fixing-line device for overhead transmission line stringing of the present invention, has the advantage that
1) stringing process is only drawn, reduced the traction uneven stress to cross arm of tower;
2) during stringing, porcelain vase string does not drop, parallel stress, very easily connects cross-arm hanging point。
The present invention for the bulb fixing-line device of overhead transmission line stringing, have can reliably connect pull rope and singly go here and there porcelain vase, the advantage such as work efficiency of the security reliability of transmission line wire stringing work, raising stringing can be improved。
Accompanying drawing explanation
Fig. 1 is the front view of the bulb fixing-line device for overhead transmission line stringing of the present invention。
Fig. 2 is the left view of the bulb fixing-line device for overhead transmission line stringing of the present invention。
Fig. 3 is the square plate front view of the bulb fixing-line device for overhead transmission line stringing of the present invention。
Fig. 4 be adopt the present invention for the construction of the bulb fixing-line device of overhead transmission line stringing time view。
Fig. 5 is the partial enlarged drawing in Fig. 4。
Fig. 6 is the front view of the fixing plate of coaster of the present invention。
Fig. 7 is the top view of the fixing plate of coaster of the present invention。
Fig. 8 is the front view of the backup plate of the fixing plate of coaster of the present invention。
Fig. 9 is the front view of the yoke plate tightener of the present invention。
Figure 10 is the left view of the yoke plate tightener of the present invention。
Label in accompanying drawing 1~accompanying drawing 10: 1 fixed pulley, 2 first stringing coasters, 3 second stringing coasters, 4 strand mills, 5 pull ropes, plate fixed by 6 coasters, 601 plate-like body, 6011U shape groove, 6012 first through holes, 602 coaster fixed structures, 6021 risers, 60211 third through-holes, 603 backup plates, 6031 second through holes, 7 bulb fixing-line devices, 701L shape plate, 7011 first straight plates, 70111 oblong openings grooves, 70112 first screws, 7012 second straight plates, 702 side's plates, 7021 fourth holes, 703 top boards, 7031 gripper shoes, 8 yoke plate tightener, 801V shape body, 8011 first supporting legs, 8012 second supporting legs, 802 hooks, 803 fixing plates, 8031 fifth holes, 9 electric poles, 10 cross-arms, 11 singly go here and there porcelain vase, 1101 links, 1102 joint pins, 12 pairs of string porcelain vases, 1201 connecting plates, 13 wires, 14 bolts, 15 screws, 1501 draw rings。
Below by way of detailed description of the invention, and the invention will be further described in conjunction with accompanying drawing。
Detailed description of the invention
Referring to Fig. 1~Figure 10, bulb fixing-line device 7 for overhead transmission line stringing includes 702, three screws 15 with draw ring 1501 of the square plate of a L shaped plate 701, and a top board 703, and described L shaped plate 701 includes the first straight plate 7011 and the second straight plate 7012 being fixedly connected with the described first straight plate 7011;Described first straight plate 7011 is provided with a thickness direction along the described first straight plate 7011 away from one end of the described second straight plate 7012 and runs through the oblong openings groove 70111 of the described first straight plate 7011;On described first straight plate 7011, respectively offer first screw 70112 in the both sides of oblong openings groove 70111;Described side's plate 702 offers two fourth holes 7021;
Described top board 703 is fixedly installed on the plate face of the side on the described second straight plate 7012 away from the described first straight plate 7011, described top board 703 is provided with the thickness direction along described top board 703 and penetrates the second screw of described top board 703;Described second straight plate 7012 is provided with the thickness direction along the described second straight plate 7012 and penetrates the 3rd screw of the described second straight plate 7012;The axis of described second screw and the axis of described 3rd screw are point-blank。
The plate face of the described first straight plate and the plate face of the second straight plate are mutually perpendicular to, and the two interfixes in orthogonal mode。Spacing between spacing between two the first screws of the first straight plate and two fourth holes on side's plate is equal, and the diameter of the first screw and fourth hole is also identical。By screwing in the screw 15 in fourth hole and the first screw successively, side's plate can be fixed on the described first straight plate, match between screw thread and the screw thread of the first screw of screw 15。
Described bulb fixing-line device is used for connecting single string porcelain vase 11。Single end going here and there porcelain vase 11 is provided with link 1101, is connected by joint pin 1102 between described link and porcelain vase。During stringing operation, being arranged on by bulb fixing-line device on described joint pin 1102, described joint pin 1102 is positioned at described oblong openings groove。Then pass through the screw 15 with draw ring and side's plate is fixed on the described first straight plate, thus single joint pin 1102 going here and there porcelain vase is locked in described oblong openings groove, bulb fixing-line device thus can be avoided to come off from single string porcelain vase, improve the security reliability of stringing work, ensure the personal safety of field personnel simultaneously。Then pull rope is fastened on described bulb fixing-line device, then start motor-driven grinding mill, by twisting the tight pull rope of grain, thus carrying out stringing to transmission line wire。
Screw 15 with draw ring screws in the second screw and the 3rd screw successively, is fixed on by screw on top board and the second straight plate。
Described top board 703 is inverted U-shaped plate, and the gripper shoe 7031 of top board 703 both sides is fixed on the plate face of the described second straight plate 7012。
Described L shaped plate 701, side's plate 702 and top board 703 are steelwork。
The bulb fixing-line device of the present invention is in use, together constitute with combination type stringing instrument with fixed pulley the 1, first stringing coaster the 2, second stringing coaster 3, strand mill 4, pull rope 5, coaster fixing plate 6, yoke plate tightener 8 etc. for fixing the second stringing coaster 3, the wire of overhead transmission line is carried out stringing operation。
Described fixed pulley 1 is fixed on the top of electric pole 9;The fixing plate 6 of described coaster is fixed on the cross-arm 10 of electric pole 9, and described second stringing coaster 3 is fixed on the fixing plate 6 of described coaster;Described first stringing coaster 2 is fixed on the bottom of electric pole 9;Described strand mill 4 is fixed on ground;Described pull rope 5 is wound on described strand mill 4, and the pull rope 5 that strand mill 4 is drawn walks around the first stringing coaster 2, fixed pulley 1 and the second stringing coaster 3 successively, then fastens on described bulb fixing-line device 7;During stringing, only need to rotate strand mill 4 pulling traction ropes 5, the stringing of line conductor 13 can be realized。
When transmission line wire 13 is carried out stringing by needs, at electric pole 9(shaft tower or concrete bar) top installation fixed pulley, the first stringing coaster is fixed in the position on the adjacent ground, bottom of electric pole, and ground arranges motor-driven grinding mill。The fixing plate of coaster is fixed on the cross-arm 10 of described electric pole, is fixed on by the second stringing coaster on the fixing plate of coaster。Bulb fixing-line device is connected on single string porcelain vase 11, or yoke plate tightener is arranged on the connecting plate 1201 between two string porcelain vases of double; two string porcelain vase 12。The upper pull rope drawn of strand mill fastens on bulb fixing-line device or yoke plate tightener after walking around the first stringing coaster, fixed pulley and the second stringing coaster successively, then motor-driven grinding mill is started, by twisting the tight pull rope of grain, thus carrying out stringing to transmission line wire 13。
Pull rope one end is fixed on bulb fixing-line device, and pull rope is fixed on motor-driven grinding mill is carried out stringing by the other end after the fixed pulley above snatch block, shaft tower。This stringing mode, between porcelain vase and pull rope, ratio is stronger, and stringing coaster is fixed on cross-arm, do not fall out, thus circuit stringing efficiency can be improved, also can the construction safety of abundant safeguard work personnel, the thing that will not drop injures the phenomenon of staff by a crashing object, reduces construction cost。
The fixing plate 6 of described coaster includes plate-like body 601, for the coaster fixed structure 602 being connected with described second stringing coaster 3, backup plate 603 for described plate-like body 601 being fixed on the cross-arm 10 of described electric pole 9;Described plate-like body 601 is provided with the thickness direction along described plate-like body 601 and penetrates the U-shaped groove 6011 of described plate-like body 601;In described plate-like body 601, the both sides of described U-shaped groove 6011 are respectively arranged with a thickness direction along described plate-like body 601 and penetrate the first through hole 6012 of described plate-like body 601;Described backup plate 603 is also equipped with two the second through holes 6031;Said two the second through hole 6031 is corresponding with the position of said two the first through hole 6012;Described backup plate 603 is fixed in described plate-like body 601 by two bolts 14;Described coaster fixed structure 602 is arranged at the top of described plate-like body 601, described coaster fixed structure 602 includes two risers 6021, two risers 6021 are arranged in parallel, and each riser 6021 in two risers 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 is fixed within described said two third through-hole 60211。
The fixing plate of coaster is made up of three parts: plate-like body, coaster fixed structure and backup plate。Plate-like body is provided with U-shaped groove, opening part at U-shaped groove arranges two the first through holes, backup plate is also correspondingly arranged two the second through holes, two the first through holes and two the second through holes are essentially identical dimensionally, and distance between distance and two the second through holes between two the first through holes is equal, when backup plate is attached in plate-like body, the axis of the first through hole and the second through hole can be point-blank, in order to a bolt is inserted into two through holes thus backup plate and plate-like body being fixed together。Backup plate is positioned at the left end of plate-like body。Coaster fixed structure is arranged on the middle of plate-like body, is positioned at the top of plate-like body。Two risers lay respectively at the both sides of plate-like body, opposing parallel setting。Being respectively provided with a third through-hole on two risers, two third through-holes are coaxial lines。The third through-hole of two risers of one screw bolt passes, can fasten bolt after tightening nut。Fix the second stringing coaster by bolt, ground injures staff avoiding the second stringing coaster to drop to by a crashing object, or drop and affect the work efficiency of stringing on the ground。
During concrete operations, first the bolt in the first screw is unloaded, take away backup plate, then the side of the U-shaped groove opening of plate-like body is pressed close on the cross-arm of described electric pole, cross-arm is clamped between backup plate and plate-like body, then two bolts are inserted respectively two the first screws and two the second screws, tightening nut, together with backup plate, cross-arm are tightly held in plate-like body, thus fixing for coaster plate is locked on the cross-arm of electric pole securely。Then, second stringing coaster is fixed on described coaster fixed structure, thus securely the second stringing coaster being fixed on cross-arm, it is to avoid the second stringing coaster drops in stringing work process and accidentally injures staff, improve the security reliability of work on the spot, fully ensure construction safety。
Being fixed with a stock on the axle of the second stringing coaster, the lower end of this stock is provided with an annulus, and this annulus is enclosed within the bolt of two third through-holes, and annulus is stuck on the position between two risers。
Described plate-like body 601 is arc, and described coaster fixed structure 602 is positioned at the arc top place of described plate-like body 601。
Described yoke plate tightener 8 includes V-arrangement body 801, and described V-arrangement body 801 includes two supporting legs, and each supporting leg in said two supporting leg is provided with a hook 802;Described supporting leg includes the first supporting leg 8011 and the second supporting leg 8012, described first supporting leg 8011 is provided with a fixing plate 803, described fixing plate 803 is provided with a thickness direction along described fixing plate 803 and penetrates the fifth hole 8031 of described fixing plate 803。
Two supporting legs of described 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。Each supporting leg is provided with a hook。During stringing operation, yoke plate tightener is used for connecting double; two string porcelain vase, is provided with a connecting plate 1201, connecting plate 1201 is provided with multiple through hole between two string porcelain vases 12 of double; two string porcelain vases。The two of yoke plate tightener hooks are hung on the connecting plate 1201 of described double; two string porcelain vase 12, then pass through a bolt 14 and sequentially pass through the fifth hole on fixing plate and the through hole on connecting plate 1201, fixing plate 803 and connecting plate 1201 are fixed together, thus avoiding yoke plate tightener to come off from double; two string porcelain vases, improve the security reliability of stringing work, ensure the personal safety of field personnel simultaneously。Improve circuit stringing efficiency, fully ensure construction safety, reduce construction cost。
When needing stringing, pull rope is fastened the intersection area of two supporting legs at described yoke plate tightener V-arrangement body, then starts motor-driven grinding mill, by twisting the tight pull rope of grain, thus carrying out stringing to transmission line wire。
Two supporting leg intersections of described V-arrangement body 801 are arc。
Claims (1)
1. for the bulb fixing-line device of overhead transmission line stringing, it is characterized in that, described bulb fixing-line device (7) includes a L shaped plate (701), a square plate (702), three screws with draw ring (1501) (15) and a top board (703), and described L shaped plate (701) includes the first straight plate (7011) and the second straight plate (7012) being fixedly connected with the described first straight plate (7011);Described first straight plate (7011) is provided with a thickness direction along the described first straight plate (7011) away from one end of the described second straight plate (7012) and runs through the oblong openings groove (70111) of the described first straight plate (7011);On described first straight plate (7011), respectively offer first screw (70112) in the both sides of oblong openings groove (70111);Described side's plate (702) offers two fourth holes (7021);
Described top board (703) is fixedly installed on the plate face of the side on the described second straight plate (7012) away from the described first straight plate (7011), described top board (703) is provided with the thickness direction along described top board (703) and penetrates the second screw of described top board (703);Described second straight plate (7012) is provided with the thickness direction along the described second straight plate (7012) and penetrates the 3rd screw of the described second straight plate (7012);The axis of described second screw and the axis of described 3rd screw are point-blank;
Described top board (703) is inverted U-shaped plate, and the gripper shoe (7031) of top board (703) both sides is fixed on the plate face of the described second straight plate (7012);
Described L shaped plate (701), side's plate (702) and top board (703) are steelwork。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310601870.XA CN103579952B (en) | 2013-11-25 | 2013-11-25 | Bulb fixing-line device for overhead transmission line stringing |
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CN201310601870.XA CN103579952B (en) | 2013-11-25 | 2013-11-25 | Bulb fixing-line device for overhead transmission line stringing |
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CN103579952A CN103579952A (en) | 2014-02-12 |
CN103579952B true CN103579952B (en) | 2016-06-22 |
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CN106410685B (en) * | 2016-11-28 | 2017-12-08 | 浙江恒胜消防设备有限公司 | A kind of porcelain insulator changes special end gripping mechanism |
CN108879486B (en) * | 2018-07-25 | 2019-06-21 | 珠海市中力电力设备有限公司 | A kind of gage turnbuckle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201398032Y (en) * | 2008-11-11 | 2010-02-03 | 河南省电力公司平顶山供电公司 | Hanging ring fixing device for hanging angle iron pulley of iron tower |
CN102738737A (en) * | 2012-07-26 | 2012-10-17 | 辽宁省电力有限公司辽阳供电公司 | Straight line clamp universal for steel tube rod tower heads |
CN203553770U (en) * | 2013-11-25 | 2014-04-16 | 国家电网公司 | Ball head wire clamping device applied to overhead line stringing |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008167591A (en) * | 2006-12-28 | 2008-07-17 | Tokyo Electric Power Co Inc:The | Implement for holding electric wire |
JP2012175876A (en) * | 2011-02-24 | 2012-09-10 | Chugoku Electric Power Co Inc:The | Temporary coupling metal fitting for strain clamp |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201398032Y (en) * | 2008-11-11 | 2010-02-03 | 河南省电力公司平顶山供电公司 | Hanging ring fixing device for hanging angle iron pulley of iron tower |
CN102738737A (en) * | 2012-07-26 | 2012-10-17 | 辽宁省电力有限公司辽阳供电公司 | Straight line clamp universal for steel tube rod tower heads |
CN203553770U (en) * | 2013-11-25 | 2014-04-16 | 国家电网公司 | Ball head wire clamping device applied to overhead line stringing |
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