A kind of wire jumper supports conductor spacer
Technical field
A kind of wire jumper of the utility model supports that conductor spacer relates to is a kind ofly to be used to keep drainage thread and to be connected reasonable clearance between gold utensil, avoids strain insulator drainage wire clamp fatigue damage, avoids the lead whiplash to collide gold utensil causing a kind of protective device of damaging.
Background technology
Along with the continuous development of electrical network, the continuous lifting of transmission capacity and transmission line electric pressure, extra high voltage network is for suppressing corona discharge and minimizing line reactance, and multiple fission conductor arises.Every phase multiple fission conductor is made up of several less intraphase conductors of diameter; Each intraphase conductor keeps at a certain distance away and arranges by symmetrical polygonal, can play the effect that is equivalent to increase diameter of wire, than the identical big lead of total cross section; Be not easy to produce corona, improve the electric energy power of sending simultaneously.Bundle conductor mainly contains on the circuit that is applied to 330 kilovolts and above voltage.Generally speaking, China's 330 KVs adopt 2 bundle conductors, and 500kV adopts 4 divisions, and 750kV, 800kV adopt 6 divisions, and 1000kV adopts 8 divisions.
In order to guarantee drainage thread and be connected reasonable clearance between gold utensil that avoid strain insulator drainage wire clamp fatigue damage, avoid lead whiplash collision gold utensil to cause damage, wire jumper supports conductor spacer and progressively is used widely.And conventional jumpers supports conductor spacer employing all-aluminium construction, and accidents such as fracture frequently take place the screw thread of aluminium matter, cause rubbing between upper conductor and the lower wire extension rod, have had a strong impact on the safe and stable operation of transmission line.
Summary of the invention
The purpose of the utility model is to provide a kind of wire jumper to support conductor spacer to above-mentioned weak point; Can guarantee drainage thread and be connected reasonable clearance between gold utensil; Avoid strain insulator drainage wire clamp fatigue damage, avoid lead whiplash collision gold utensil to cause damage; And, possesses the not advantage of easy fracture because adopt the high strength adjusting screw.
A kind of wire jumper supports conductor spacer and takes following technical scheme to realize: a kind of wire jumper supports conductor spacer and comprises prolongation pull bar fixing clamper, lead fixed wire clamp, clamp nut and high strength adjusting screw; Prolong the pull bar fixing clamper and be used for fixing the prolongation pull bar; Prolong the pull bar fixing clamper and have first wire clip body, the first wire clamp cover plate, first bearing pin and the first eyelet bolt group; The first eyelet bolt group comprises first eyelet bolt, first nut, the 3rd bearing pin, first packing ring and the first bullet pad; One end of first eyelet bolt passes the first eyelet bolt mounting groove and is fixed on first wire clip body through first nut; First packing ring and the first bullet pad are installed between first nut and first wire clip body; The other end of first eyelet bolt is provided with pinned hole, and the other end of first eyelet bolt flexibly connects through the 3rd bearing pin and the first wire clamp cover plate, and first eyelet bolt can freely swing in the first eyelet bolt mounting groove around the 3rd bearing pin that is fixed on the first wire clamp cover plate; One end of the first wire clamp cover plate links to each other with first wire clip body through first bearing pin, and the other end of the first wire clamp cover plate links to each other with first wire clip body through the first eyelet bolt group; To prolong and tighten till the pressing of first nut to the first bullet pad after pull bar sandwiches fixing clamper, and accomplish the fixing of prolongation pull bar, the described first eyelet bolt group can freely swing in the first eyelet bolt mounting groove around the 3rd bearing pin; The lead fixed wire clamp is used for fixing lead; The lead fixed wire clamp is by second wire clip body, the second wire clamp cover plate, second bearing pin and the second eyelet bolt group; The second eyelet bolt group comprises second eyelet bolt, second nut, the 4th bearing pin, second packing ring and the second bullet pad; One end of second eyelet bolt passes the second eyelet bolt mounting groove and is fixed on second wire clip body through second nut; Second packing ring and the second bullet pad are installed between second nut and second wire clip body; The other end of second eyelet bolt is provided with pinned hole, and the other end of second eyelet bolt flexibly connects through the 4th bearing pin and the second wire clamp cover plate, and second eyelet bolt can freely swing in the second eyelet bolt mounting groove around the 4th bearing pin that is fixed on the second wire clamp cover plate; One end of the second wire clamp cover plate links to each other with second wire clip body through second bearing pin; The other end of the second wire clamp cover plate links to each other with second wire clip body through the second eyelet bolt group; With lead sandwich tighten second nut to the second bullet pad behind the lead fixed wire clamp and flatten till; Accomplish the fixing of lead, the described second eyelet bolt group can freely swing in the second eyelet bolt mounting groove around the 4th bearing pin.
End at first wire clip body is provided with the adjusting screw installing hole, and high strength adjusting screw one end is installed in the adjusting screw installing hole, and the other end of high strength adjusting screw is processed square, fixes with second wire clip body.
Said clamp nut adopts two, and two clamp nuts are used with the high strength adjusting screw, after being adjusted to correct position, tighten clamp nut, thereby plays the effect of locking lead and prolongation pull bar relative position.
Described high strength adjusting screw one end and first wire clip body are through being threaded, through rotating the threaded adjusting spacing.
The one-shot forming when cast of the described high strength adjusting screw and second wire clip body, nonvolatil being fixed together; This connected mode is preferably the most reliable, but every mold can only be produced a kind of model, and the mould input is bigger.
Described high strength adjusting screw is consolidated together through sticking with glue after being threaded with second wire clip body again.This kind connected mode is economical and practical, can satisfy instructions for use, and matches the clamp of different model according to actual needs, therefore can practice thrift mould and pay wages and enhance productivity.
Described high strength adjusting screw adopts the low-carbon steel material after the antirust processing of hot galvanizing, and the adjusting screw intensity of more conventional aluminium matter is higher, not easy fracture.
Combine through first bearing pin between a kind of first wire clip body of wire jumper support conductor spacer and the first wire clamp cover plate; First bearing pin and first wire clip body are tight fits; Between first bearing pin and the first wire clamp cover plate is matched in clearance, has guaranteed the rotation flexibility of the first wire clamp cover plate.The folding of the first wire clamp cover plate realizes through the first eyelet bolt group, is matched in clearance between first eyelet bolt in the first eyelet bolt group and the 3rd bearing pin, has guaranteed the rotation flexibility of first eyelet bolt.Combine through second bearing pin between second wire clip body and the second wire clamp cover plate, second bearing pin and second wire clip body are tight fits, are matched in clearance between second bearing pin and the second wire clamp cover plate, have guaranteed the rotation flexibility of the second wire clamp cover plate.The folding of the second wire clamp cover plate realizes through the second eyelet bolt group, is matched in clearance between second eyelet bolt in the second eyelet bolt group and the 4th bearing pin, has guaranteed the rotation flexibility of second eyelet bolt.
The utility model is an end fixing cord in use, and the fixing pull bar that prolongs of the other end is adjusted to and tightens clamp nut behind the reasonable distance and fix, this moment lead with prolong pull bar and be 45o~90o basically and arrange.When lead drainage part causes swing under wind; No longer strain insulator drainage wire clamp is produced the meeting bending stress; Thereby and not again whiplash collision gold utensil cause damage to take place; Strain insulator drainage wire clamp and lead have all been played effective protective effect, guaranteed circuit operation reliably steady in a long-term, the generation of the power outage of avoiding causing because of drainage fracture and lead and gold utensil collision friction.
The advantage of the utility model: it is reasonable in design that a kind of wire jumper supports conductor spacer; Can guarantee drainage thread and be connected reasonable clearance between gold utensil; Avoid strain insulator drainage wire clamp fatigue damage, avoid lead whiplash collision gold utensil to cause damage; And, possesses the not advantage of easy fracture because adopt the high strength adjusting screw.Accomplish after the installation; When lead drainage part causes swing under wind; No longer strain insulator drainage wire clamp being produced to come can bending stress, thereby and not again whiplash collision gold utensil cause damage to take place, strain insulator drainage wire clamp and lead have all been played effective protective effect; Guaranteed circuit operation reliably steady in a long-term; The generation of the power outage of avoiding causing because of drainage fracture and lead and gold utensil collision friction for electric power system brings huge economic benefit, and then has positive effect to building transmission line.
Description of drawings
Below will combine accompanying drawing that utility model is described further.
Fig. 1 is the assembling sketch map that a kind of wire jumper of the utility model supports conductor spacer;
Fig. 2 is that a kind of wire jumper of the utility model supports first wire clip body of conductor spacer or the structural representation (structure of second wire clip body is identical with the structure of first wire clip body) of second wire clip body.
Fig. 3 is the right view (structure of second wire clip body is identical with the structure of first wire clip body) of the structure of a kind of wire jumper of Fig. 2 the utility model first wire clip body or second wire clip body that support conductor spacer.
Fig. 4 is the vertical view (structure of second wire clip body is identical with the structure of first wire clip body) of the structure of a kind of wire jumper of Fig. 2 the utility model first wire clip body or second wire clip body that support conductor spacer.
Fig. 5 is that a kind of wire jumper of the utility model supports the first wire clamp cover plate of conductor spacer or the structural representation (the second wire clamp structure of cover plate is identical with the first wire clamp structure of cover plate) of the second wire clamp cover plate.
Fig. 6 is that the A-A of structural representation of a kind of wire jumper of Fig. 5 the utility model first wire clamp cover plate or the second wire clamp cover plate that support conductor spacer is to cutaway view (the second wire clamp structure of cover plate is identical with the first wire clamp structure of cover plate).
Fig. 7 is that a kind of wire jumper of Fig. 5 the utility model supports the first wire clamp cover plate of conductor spacer or the vertical view (the second wire clamp structure of cover plate is identical with the first wire clamp structure of cover plate) of the second wire clamp structure of cover plate.
Among the figure: 1, first wire clip body, 2, the first wire clamp cover plate, 3-1, first eyelet bolt, 3-2, first nut, 3-3, the 3rd bearing pin; 4, first bearing pin, 5, the high strength adjusting screw, 6, clamp nut, 7, second wire clip body; 8, the second wire clamp cover plate, 9, second bearing pin, 10-1, second eyelet bolt, 10-2, second nut; 10-3, the 4th bearing pin, 11, the first eyelet bolt mounting groove, 12, the second eyelet bolt mounting groove, 13, the adjusting screw installing hole.
Embodiment
With reference to accompanying drawing 1~7; A kind of wire jumper supports conductor spacer and comprises prolongation pull bar fixing clamper, lead fixed wire clamp, clamp nut 6 and high strength adjusting screw 5; Prolong the pull bar fixing clamper and be used for fixing the prolongation pull bar; Prolong the pull bar fixing clamper and have first wire clip body 1, the first wire clamp cover plate 2, first bearing pin 4 and the first eyelet bolt group; The first eyelet bolt group comprises the first eyelet bolt 3-1, the first nut 3-2, the 3rd bearing pin 3-3, first packing ring and the first bullet pad; The end of the first eyelet bolt 3-1 passes the first eyelet bolt mounting groove 11 and is fixed on first wire clip body 1 through the first nut 3-2; First packing ring and the first bullet pad are installed between the first nut 3-2 and first wire clip body 1; The other end of the first eyelet bolt 3-1 is provided with pinned hole, and the other end of the first eyelet bolt 3-1 flexibly connects through the 3rd bearing pin 3-3 and the first wire clamp cover plate 2, and the first eyelet bolt 3-1 can freely swing in the first eyelet bolt mounting groove 11 around the 3rd bearing pin 3-3 that is fixed on the first wire clamp cover plate 2; One end of the first wire clamp cover plate 2 links to each other with first wire clip body 1 through first bearing pin 4, and the other end of the first wire clamp cover plate 2 links to each other with first wire clip body 1 through the first eyelet bolt group; To prolong and tighten till the pressing of first nut 3-2 to the first bullet pad after pull bar sandwiches fixing clamper, and accomplish the fixing of prolongation pull bar, the described first eyelet bolt group can freely swing in the first eyelet bolt mounting groove 11 around the 3rd bearing pin 3-3; The lead fixed wire clamp is used for fixing lead; The lead fixed wire clamp is by second wire clip body 7, the second wire clamp cover plate 8, second bearing pin 9 and the second eyelet bolt group; The second eyelet bolt group comprises the second eyelet bolt 10-1, the second nut 10-2, the 4th bearing pin 10-3, second packing ring and the second bullet pad; The end of the second eyelet bolt 10-1 passes the second eyelet bolt mounting groove 12 and is fixed on second wire clip body 7 through the second nut 10-2; Second packing ring and the second bullet pad are installed between the second nut 10-2 and second wire clip body 7; The other end of the second eyelet bolt 10-1 is provided with pinned hole; The other end of the second eyelet bolt 10-1 flexibly connects through the 4th bearing pin 10-3 and the second wire clamp cover plate 8, and the second eyelet bolt 10-1 can freely swing in the second eyelet bolt mounting groove 12 around the 4th bearing pin 10-3 that is fixed on the second wire clamp cover plate 8; One end of the second wire clamp cover plate 8 links to each other with second wire clip body 7 through second bearing pin 9; The other end of the second wire clamp cover plate 8 links to each other with second wire clip body 7 through the second eyelet bolt group; With lead sandwich tighten second nut 10-2 to the second bullet pad behind the lead fixed wire clamp and flatten till; Accomplish the fixing of lead, the described second eyelet bolt group can freely swing in the second eyelet bolt mounting groove 12 around the 4th bearing pin 10-3.
End at first wire clip body 1 is provided with adjusting screw installing hole 13, and high strength adjusting screw 5 one ends are installed in the adjusting screw installing hole 13, and the other end of high strength adjusting screw 5 is processed square, and is fixing with second wire clip body 7.
Said clamp nut 6 adopts two, and two clamp nuts 6 are used with high strength adjusting screw 5, after being adjusted to correct position, tighten clamp nut 6, thereby plays locking lead and the effect that prolongs the pull bar relative position.
Described high strength adjusting screw 5 one ends and first wire clip body 1 are through being threaded, through rotating the threaded adjusting spacing.
The one-shot forming when cast of the described high strength adjusting screw 5 and second wire clip body 7, nonvolatil being fixed together.This connected mode is preferably the most reliable, but every mold can only be produced a kind of model, and the mould input is bigger.
Described high strength adjusting screw 5 is consolidated together through sticking with glue after being threaded with second wire clip body 7 again.This kind connected mode is economical and practical, can satisfy instructions for use, and matches the clamp of different model according to actual needs, therefore can practice thrift mould and pay wages and enhance productivity.
The low-carbon steel material that described high strength adjusting screw 5 adopts after the antirust processing of hot galvanizing, the adjusting screw intensity of more conventional aluminium matter is higher, not easy fracture.
Combine through first bearing pin 4 between a kind of first wire clip body 1 of wire jumper support conductor spacer and the first wire clamp cover plate 2; First bearing pin 4 and first wire clip body 1 are tight fits; Between first bearing pin 4 and the first wire clamp cover plate 2 is matched in clearance, has guaranteed the rotation flexibility of the first wire clamp cover plate 2.The folding of the first wire clamp cover plate 2 realizes through the first eyelet bolt group, is matched in clearance between first eyelet bolt 3-1 in the first eyelet bolt group and the 3rd bearing pin 3-3, has guaranteed the rotation flexibility of the first eyelet bolt 3-1.Combine through second bearing pin 9 between second wire clip body 7 and the second wire clamp cover plate 8; Second bearing pin 9 and second wire clip body 7 are tight fits; Between second bearing pin 9 and the second wire clamp cover plate 8 is matched in clearance, has guaranteed the rotation flexibility of the second wire clamp cover plate 8.The folding of the second wire clamp cover plate 8 realizes through the second eyelet bolt group, is matched in clearance between second eyelet bolt 10-1 in the second eyelet bolt group and the 4th bearing pin 10-3, has guaranteed the rotation flexibility of the second eyelet bolt 10-1.
The utility model is an end fixing cord in use, and the fixing pull bar that prolongs of the other end is adjusted to and tightens clamp nut 6 behind the reasonable distance and fix, this moment lead with prolong pull bar and be 45o~90o basically and arrange.When lead drainage part causes swing under wind; No longer strain insulator drainage wire clamp is produced bending stress back and forth; Thereby and not again whiplash collision gold utensil cause damage to take place; Strain insulator drainage wire clamp and lead have all been played effective protective effect, guaranteed circuit operation reliably steady in a long-term, the generation of the power outage of avoiding causing because of drainage fracture and lead and gold utensil collision friction.