CN203553771U - Pulley fixing plate applied to overhead line stringing - Google Patents

Pulley fixing plate applied to overhead line stringing Download PDF

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Publication number
CN203553771U
CN203553771U CN201320750356.8U CN201320750356U CN203553771U CN 203553771 U CN203553771 U CN 203553771U CN 201320750356 U CN201320750356 U CN 201320750356U CN 203553771 U CN203553771 U CN 203553771U
Authority
CN
China
Prior art keywords
plate
fixed
stringing
holes
coaster
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
Application number
CN201320750356.8U
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Chinese (zh)
Inventor
吴迪
金霖
王捷
傅冬生
赵丰富
徐荣根
郑凤英
黄凤标
邹东升
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
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
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, Xuancheng Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201320750356.8U priority Critical patent/CN203553771U/en
Application granted granted Critical
Publication of CN203553771U publication Critical patent/CN203553771U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a pulley fixing plate applied to overhead line stringing. The pulley fixing plate comprises a plate-shaped body, a pulley fixing structure and a backup plate. A U-shaped through groove which runs through the plate-shaped body along the thickness direction of the plate-shaped body is arranged on the plate-shaped body. On the plate-shaped body, both sides of the U-shaped through groove are respectively provided a first through hole. Two second through holes are arranged on the backup plate. Two second through holes are corresponding to two first through holes in position. The backup plate is fixed on the plate-shaped body through two bolts. The pulley fixing structure is arranged on the top end of the plate-shaped body. The pulley fixing structure comprises two vertical plates. Two vertical plates are parallel to each other. Each vertical plate is provided with a third through hole. A bolt successively passes through the third through holes of two vertical plates and are fixed in two third through holes. The pulley fixing plate applied to overhead line stringing, which is provided by the utility model, has the advantages that the safety and the reliability of the wire stringing work of a transmission line are improved, and the work efficiency of stringing is improved.

Description

For the coaster fixed head of overhead transmission line stringing
Technical field
The utility model relates to a kind of coaster fixed head for overhead transmission line stringing, especially a kind of coaster fixed head of the overhead line conductor stringing for electric power system.
Background technology
At present, transmission line wire stringing mode mainly, is fixed on pull rope on strain clamp.After wire tightens up, due to Action of Gravity Field, porcelain vase string is under circuit, need manpower by porcelain vase twisted with wire level after be arranged on cross arm of tower, the method not only wastes time and energy, and can not get good guarantee in workmen's safety, circuit stringing efficiency is low, and construction cost is higher.
At present; during transmission line wire stringing, be generally that No. 8 iron wires of coaster or seizing wire are fixed on shaft tower or concrete bar, often can be subject to the suddenly big or suddenly small pulling force of stringing, coaster can jump; when serious, meeting landing, to ground, causes very large potential safety hazard to stringing personnel and ground staff.
Utility model content
The utility model is the weak point existing in above-mentioned prior art for avoiding, and a kind of coaster fixed head for overhead transmission line stringing is provided, to solve transmission line wire stringing poor stability, the prestretch block problem such as easily drop.
The utility model be technical solution problem by the following technical solutions.
For the coaster fixed head of overhead transmission line stringing, its design feature is, described coaster fixed head comprises plate-like body, for the coaster fixed structure that is connected with described the second prestretch block, for described plate-like body being fixed on to the backup plate on the cross-arm of described electric pole 9; In described plate-like body, be provided with the U-shaped groove that penetrates described plate-like body along the thickness direction of described plate-like body; In described plate-like body, the both sides of described U-shaped groove respectively have a thickness direction along described plate-like body to penetrate the first through hole of described plate-like body; On described backup plate, be also provided with two the second through holes; Described two the second through holes are corresponding with the position of described two the first through holes; Described backup plate is fixed in described plate-like body by two bolts; Described coaster fixed structure is arranged at the top of described plate-like body, and described coaster fixed structure comprises two risers, and two risers are arranged in parallel, and each riser in two risers is provided with a third through-hole; The third through-hole of two risers of a screw bolt passes and be fixed on described two third through-holes within.
The design feature of the coaster fixed head for overhead transmission line stringing of the present utility model is also:
Described plate-like body is arc, and described coaster fixed structure is positioned at the place, arc top of described plate-like body.
Described plate-like body, coaster fixed structure and backup plate are steelwork.
Compared with the prior art, the utility model beneficial effect is embodied in:
Coaster fixed head for overhead transmission line stringing of the present utility model, adopt coaster fixed head to fix and be positioned at aerial prestretch block, coaster can be fixed on the cross-arm of electric pole by coaster fixed head, avoid occurring the phenomenon of prestretch block from dropping in the air.By bulb fixing-line device and yoke plate wire grip, be connected respectively single string porcelain vase and two string porcelain vase, by strand, grind pulling traction rope stringing stringing, overall structure is simple, convenient and practical, improves circuit stringing efficiency, fully ensures construction safety.Through the test in static 15 minutes of 4 tons of pulling force, prove that the coaster fixed head for overhead transmission line stringing of the present utility model is safe and reliable.
Coaster fixed head for overhead transmission line stringing of the present utility model, has advantages such as can improving the security reliability of transmission line wire stringing work, the operating efficiency of raising stringing.
Accompanying drawing explanation
Fig. 1 is the front view of the coaster fixed head for overhead transmission line stringing of the present utility model.
Fig. 2 is the vertical view of the coaster fixed head for overhead transmission line stringing of the present utility model.
Fig. 3 is the front view of the backup plate of the coaster fixed head for overhead transmission line stringing of the present utility model.
Fig. 4 is the view while adopting the construction of the coaster fixed head for overhead transmission line stringing of the present utility model.
Fig. 5 is the partial enlarged drawing in Fig. 4.
Fig. 6 is the front view of bulb fixing-line device of the present utility model.
Fig. 7 is the left view of bulb fixing-line device of the present utility model.
Fig. 8 is the square plate front view of bulb fixing-line device of the present utility model.
Fig. 9 is the front view of yoke plate wire grip of the present utility model.
Figure 10 is the left view of yoke plate wire grip of the present utility model.
Label in accompanying drawing 1~accompanying drawing 10: 1 fixed pulley, 2 first prestretch blocks, 3 second prestretch blocks, 4 strand mills, 5 pull ropes, 6 coaster fixed heads, 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 supporting brackets, 8 yoke plate wire grips, 801V shape body, 8011 first supporting legs, 8012 second supporting legs, 802 hooks, 803 fixed heads, 8031 fifth holes, 9 electric poles, 10 cross-arms, 11 single string porcelain vases, 1101 links, 1102 joint pins, 12 pairs of string porcelain vases, 1201 connecting plates, 13 wires, 14 bolts, 15 screws, 1501 draw rings.
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment
Referring to Fig. 1~Figure 10, for the coaster fixed head 6 of overhead transmission line stringing comprise plate-like body 601, for the coaster fixed structure 602 that is connected with described the second prestretch block 3, for described plate-like body 601 being fixed on to the backup plate 603 on the cross-arm 10 of described electric pole 9; In described plate-like body 601, be provided with the U-shaped groove 6011 that penetrates described plate-like body 601 along the thickness direction of described plate-like body 601; In described plate-like body 601, the both sides of described U-shaped groove 6011 respectively have a thickness direction along described plate-like body 601 to penetrate the first through hole 6012 of described plate-like body 601; On described backup plate 603, be also provided with two the second through holes 6031; Described two the second through holes 6031 are corresponding with the position of described two the first through holes 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 comprises 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; Within a bolt 14 passes successively the third through-hole 60211 of two risers 6021 and is fixed on described two third through-holes 60211.
Coaster fixed head consists of three parts: plate-like body, coaster fixed structure and backup plate.In plate-like body, be provided with U-shaped groove, at the opening part of U-shaped groove, two the first through holes are set, on backup plate, also correspondence arranges two the second through holes, two the first through holes and two the second through holes are basic identical dimensionally, and the distance between the distance between two the first through holes and two the second through holes equates, while making backup plate be attached in plate-like body, the axis of the first through hole and the second through hole can be point-blank, thereby so that a bolt can insert two through holes that backup plate and plate-like body are 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.On two risers, be respectively provided with a third through-hole, two third through-holes are coaxial lines.The third through-hole of two risers of a screw bolt passes, screwing can be by bolted after nut.By bolt, fix the second prestretch block, to avoid the second prestretch block to drop on ground and to injure staff by a crashing object, or drop and affect on the ground the operating efficiency of stringing.
During concrete operations, first the bolt in the first screw is unloaded, take away backup plate, then a 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 is inserted respectively to two the first screws and two the second screws, screw nut, backup plate, cross-arm and plate-like body are fixed together tightly, thereby coaster fixed head are locked at securely on the cross-arm of electric pole.Then, the second prestretch block is fixed on described coaster fixed structure, thereby securely the second prestretch block is fixed on cross-arm, avoid the second prestretch block to drop in the stringing course of work and accidentally injure staff, improve the security reliability of work on the spot, fully ensured construction safety.
On the axle of the second prestretch block, be fixed with a stock, the lower end of this stock is provided with an annulus, and this annulus is enclosed within on the bolt through two third through-holes, and annulus is stuck on two positions between riser.
Described plate-like body 601 is arc, and described coaster fixed structure 602 is positioned at the place, arc top of described plate-like body 601.Plate-like body 601 adopts arcuate structure, and coaster fixed head is more easily fixed on cross-arm, the dismounting of the coaster fixed head of being more convenient for.
Described plate-like body 601, coaster fixed structure 602 and backup plate 603 are steelwork.
Coaster fixed head of the present utility model in use, with fixed pulley 1, the first prestretch block 2, the second prestretch block 3, strand mill 4, pull rope 5, together form composite type stringing instrument for the bulb fixing-line device 7, yoke plate wire grip 8 etc. that clamp single string porcelain vase 11, the wire of overhead transmission line is carried out to stringing operation.
Described fixed pulley 1 is fixed on the top of electric pole 9; Described coaster fixed head 6 is fixed on the cross-arm 10 of electric pole 9, and described the second prestretch block 3 is fixed on described coaster fixed head 6; Described the first prestretch block 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 of drawing on strand mill 4 is walked around the first prestretch block 2, fixed pulley 1 and the second prestretch block 3 successively, then fastens on described bulb fixing-line device 7; During stringing, only need to rotate strand mill 4 pulling traction ropes 5, can realize the stringing of line conductor 13.
When needs carry out stringing to transmission line wire 13, at electric pole 9(shaft tower or concrete bar) top installation fixed pulley, the first prestretch block is fixed in the position on the adjacent ground, bottom of electric pole, and motor-driven grinding mill is set on ground.Coaster fixed head is fixed on the cross-arm 10 of described electric pole, and the second prestretch block is fixed on coaster fixed head.Bulb fixing-line device is connected on single string porcelain vase 11, or yoke plate wire grip is arranged on two connecting plates 1201 of going here and there between porcelain vases of two string porcelain vases 12.After walking around the first prestretch block, fixed pulley and the second prestretch block successively, the pull rope of drawing on strand mill fastens on bulb fixing-line device or yoke plate wire grip, then start motor-driven grinding mill, by the tight pull rope of strand grain, thereby to transmission line wire 13 is carried out to stringing.
Pull rope one end is fixed on bulb fixing-line device, pull rope by the fixed pulley of snatch block, shaft tower top after the other end be fixed on and on motor-driven grinding mill, carry out stringing.This stringing mode, more firm between porcelain vase and pull rope, and also prestretch block is fixed on cross-arm, can not drop, thereby can improve circuit stringing efficiency, also abundant safeguard work personnel's construction safety, the thing that can not drop injures staff's phenomenon by a crashing object, has reduced construction cost.
Described bulb fixing-line device 7 comprises the square plate of a L shaped plate 701,702, three screws 15 with draw ring 1501 and top boards 703, the second straight plate 7012 that described L shaped plate 701 comprises the first straight plate 7011 and is fixedly connected with the described first straight plate 7011; On the described first straight plate 7011, away from one end of the described second straight plate 7012, be provided with the oblong openings groove 70111 that a thickness direction along the described first straight plate 7011 runs through the described first straight plate 7011; On the described first straight plate 7011, in the both sides of oblong openings groove 70111, respectively offer first screw 70112; On described side's plate 702, offer two fourth holes 7021;
Described top board 703 is fixedly installed on the described second straight plate 7012 on the plate face away from a side of the described first straight plate 7011, is provided with the second screw that penetrates described top board 703 along the thickness direction of described top board 703 on described top board 703; On the described second straight plate 7012, be provided with the 3rd screw that penetrates the described second straight plate 7012 along the thickness direction of the described second straight plate 7012; The axis of the axis of described the second screw and described the 3rd screw point-blank.
The plate face of the described first straight plate is mutually vertical with the plate face of the second straight plate, and the two interfixes in orthogonal mode.Spacing between two fourth holes on spacing and square plate between two the first screws of the first straight plate is equal, and the diameter of the first screw and fourth hole is also identical.By screwing in successively the screw 15 in fourth hole and the first screw, square plate can be fixed on the described first straight plate, between the screw thread of screw 15 and the screw thread of the first screw, match.
Described bulb fixing-line device is used for connecting single string porcelain vase 11.The end of single string porcelain vase 11 is provided with link 1101, between described link and porcelain vase, by joint pin 1102, is connected.During stringing operation, bulb fixing-line device is arranged on described joint pin 1102, described joint pin 1102 is positioned at described oblong openings groove.Then by the screw 15 with draw ring, square plate is fixed on the described first straight plate, thereby the joint pin 1102 of single string porcelain vase is locked in described oblong openings groove, so just can avoid bulb fixing-line device to come off from single string porcelain vase, improve the security reliability of stringing work, ensured field personnel's personal safety simultaneously.Then pull rope is fastened on described bulb fixing-line device, then start motor-driven grinding mill, by the tight pull rope of strand grain, thereby to transmission line wire is carried out to stringing.
Screw 15 with draw ring screws in the second screw and the 3rd screw successively, and screw is fixed on top board and the second straight plate.
Described top board 703 is inverted U-shaped plate, and the supporting bracket 7031 of top board 703 both sides is fixed on the plate face of the described second straight plate 7012.
Described yoke plate wire grip 8 comprises V-arrangement body 801, and described V-arrangement body 801 comprises two supporting legs, is provided with a hook 802 on the each supporting leg in described two supporting legs; Described supporting leg comprises the first supporting leg 8011 and the second supporting leg 8012, on described the first supporting leg 8011, be provided with a fixed head 803, on described fixed head 803, be provided with a thickness direction along described fixed head 803 and penetrate the fifth hole 8031 of described fixed head 803.
Two supporting legs of described yoke plate wire grip are to be made by 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 wire grip is used for connecting two string porcelain vases, between two string porcelain vases 12 of two string porcelain vases, is provided with a connecting plate 1201, is provided with multiple through holes on connecting plate 1201.Two hooks of yoke plate wire grip are hung on the connecting plate 1201 of described two string porcelain vases 12, then pass through a bolt 14 successively through the fifth hole on fixed head and the through hole on connecting plate 1201, fixed head 803 and connecting plate 1201 are fixed together, thereby avoid yoke plate wire grip to come off from two string porcelain vases, improve the security reliability of stringing work, ensured field personnel's personal safety simultaneously.Improve circuit stringing efficiency, fully ensured construction safety, reduced construction cost.
While needing stringing, pull rope is fastened in the intersection area of two supporting legs of described yoke plate wire grip V-arrangement body, then start motor-driven grinding mill, by the tight pull rope of strand grain, thereby to transmission line wire is carried out to stringing.
Two supporting leg intersections of described V-arrangement body 801 are arc.

Claims (3)

1. for the coaster fixed head of overhead transmission line stringing, it is characterized in that, described coaster fixed head (6) comprises plate-like body (601), for the coaster fixed structure (602) that is connected with described the second prestretch block (3), for described plate-like body (601) being fixed on to the backup plate (603) on the cross-arm (10) of described electric pole (9); In described plate-like body (601), be provided with the U-shaped groove (6011) that penetrates described plate-like body (601) along the thickness direction of described plate-like body (601); Described plate-like body (601) is upper, and the both sides of described U-shaped groove (6011) respectively have a thickness direction along described plate-like body (601) to penetrate first through hole (6012) of described plate-like body (601); On described backup plate (603), be also provided with two the second through holes (6031); Described two the second through holes (6031) are corresponding with the position of described two the first through holes (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) comprises 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); Within a bolt (14) passes successively the third through-hole (60211) of two risers (6021) and is fixed on described two third through-holes (60211).
2. the coaster fixed head for overhead transmission line stringing according to claim 1, is characterized in that, described plate-like body (601) is arc, and described coaster fixed structure (602) is positioned at the place, arc top of described plate-like body (601).
3. the coaster fixed head for overhead transmission line stringing according to claim 1, is characterized in that, described plate-like body (601), coaster fixed structure (602) and backup plate (603) are steelwork.
CN201320750356.8U 2013-11-25 2013-11-25 Pulley fixing plate applied to overhead line stringing Expired - Fee Related CN203553771U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320750356.8U CN203553771U (en) 2013-11-25 2013-11-25 Pulley fixing plate applied to overhead line stringing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320750356.8U CN203553771U (en) 2013-11-25 2013-11-25 Pulley fixing plate applied to overhead line stringing

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CN203553771U true CN203553771U (en) 2014-04-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103594975A (en) * 2013-11-25 2014-02-19 国家电网公司 Tackle fixing plate for overhead line stringing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103594975A (en) * 2013-11-25 2014-02-19 国家电网公司 Tackle fixing plate for overhead line stringing

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140416

Termination date: 20171125

CF01 Termination of patent right due to non-payment of annual fee