CN210053143U - Power line structure - Google Patents

Abstract

A power line structure belongs to the technical field of power supply systems. The cable bridge comprises insulated conductors, a cable bridge, a hardware clamping structure and a vibration reduction supporting structure, wherein the vibration reduction supporting structure is connected with the hardware clamping structure to form a combined installation part, at least two combined installation parts are arranged in parallel along the length direction of the cable bridge, the insulated conductors are inserted into the hardware clamping structure and arranged in parallel with the cable bridge, connecting joints are arranged at two ends of each insulated conductor, when the insulated conductors are connected, two ends of each insulated conductor are connected in series through flexible connection to form a connecting part, and an insulating sleeve is sleeved on the connecting part; the cable bridge is connected through the grounding flexible connection. The utility model discloses whole quality is light, the heat dissipation is good, mechanical strength is high, do not have injury, low cost, have the required cable testing bridge of light current circuit to insulating epidermis to have rigid shock-absorbing structure, technology simplification, easy maintenance.

Description

Power line structure

Technical Field

The utility model belongs to the technical field of power supply system, especially, relate to a power line structure.

Background

An electric power line refers to a line used to transmit electric energy between a power plant, a substation, and an electric power consumer. It is an important component of a power supply system and is responsible for the task of delivering and distributing electrical energy. In power lines, cabling is commonly adopted. The cable has the advantages of reliable operation, difficult external influence, no influence on the appearance and the like, and is particularly widely applied to places with corrosive gas, inflammable and explosive places, and modern factories and cities. However, the cable has the following disadvantages in practical use:

1. the cable generally adopts copper as the conductor, and the cost is too high. And copper is adopted as a conductor, and the copper has the property of causing the cable quality to be too heavy. Thereby restricting the thickness of the cable and causing the cable to carry too little current.

2. Because the outer layer of the cable is attached with the insulating rubber sleeve, the heat generated by the cable in the working process cannot be dissipated in time.

3. In places such as high buildings and mansions in cities, cables need to be laid vertically, cable clamps are needed, the cable clamps have great damage to cable insulation rubber sleeves, and the service life of the cables is greatly shortened.

4. The cable is too flexible and flexible, resulting in poor mechanical strength. The cable bridge is required to be erected in a plurality of places, which is labor-consuming and laborious.

5. In special situations such as ships and wind power generation towers, the places can vibrate, no matter the cables or the cable bridges have no effective damping structures, and the cables and the cable bridges can be damaged after long-term use.

6. Some existing power transmission lines are accompanied by weak current lines and used for lighting, network transmission, video signal transmission, monitoring signal transmission and the like, and due to the fact that wires used by the weak current lines are fine, cable bridges need to be laid additionally. The engineering amount is increased, and unnecessary economic loss is caused.

7. At present, if the cable is damaged, the whole cable is required to be replaced during maintenance, so that a lot of loss is caused, and the maintenance cost is too high in both manpower and economy.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the power line structure is provided, and the whole power line has light weight, good heat dissipation, high mechanical strength, low cost, rigid damping structure, simplified process and convenient maintenance by changing the integral structure of the power line.

The purpose of the utility model is realized through the following technical scheme:

the utility model relates to a power line structure, press from both sides tight structure and damping bearing structure including insulated conductor, cable testing bridge, gold utensil, be connected with the gold utensil on the damping bearing structure and press from both sides tight structure, form the built-up fitting spare, the built-up fitting spare is at least two, sets up side by side along insulated conductor length direction, and the insulated conductor is pegged graft in the gold utensil presss from both sides tight structure, the insulated conductor both ends have attach fitting, and when series connection, the insulated conductor both ends connect into connecting portion through the flexible coupling series connection, put insulating cover at connecting portion cover.

Preferably, the cable bridge is arranged on the vibration-damping supporting structure and is arranged in parallel with the insulated conductors, and when the cable bridge is connected in series, the cable bridge is connected through grounding flexible connection.

Preferably, the insulated conductor is an insulated aluminum alloy round tube conductor and comprises an aluminum alloy round tube conductor, a connecting joint and a polymer insulating sleeve, the connecting joint is an aluminum alloy connecting joint and is inserted at two ends of the aluminum alloy round tube conductor, and the polymer insulating sleeve is arranged on the periphery of the aluminum alloy round tube conductor.

Preferably, one end of the aluminum alloy connecting joint is a tubular bus connecting part, the other end of the aluminum alloy connecting joint is a wiring connecting part, the tubular bus connecting part is a stepped cylindrical connecting body matched with the tubular bus connecting end, and a joint flexible connection mounting hole is formed in the wiring connecting part.

Preferably, the wiring connecting part is of a cuboid structure, heat dissipation grooves are formed in the side face of the wiring connecting part connected with the tubular bus connecting part and the opposite side face of the wiring connecting part, and heat dissipation holes are formed in the side face between the two heat dissipation grooves; the other two side surfaces are wiring platforms, and wiring connection holes are formed in the wiring platforms.

Preferably, the tubular busbar connecting part is provided with a heat radiation hole along the axial direction.

Preferably, the stepped cylindrical connector of the tubular busbar connecting part is provided with a positioning step matched with the tubular busbar in insertion depth.

Preferably, the gold utensil presss from both sides tight structure and includes aluminum alloy anchor clamps, insulating external member and shrinkage cover, aluminum alloy anchor clamps constitute by two parts connection from top to bottom, divide into anchor clamps and lower anchor clamps, go up all to have three semicircle that is the triangle-shaped range on anchor clamps and the lower anchor clamps, form the three round hole that triangle-shaped arranged after upper and lower anchor clamps are connected, set up insulating external member in the round hole, insulating external member one end joint is in the anchor clamps round hole, and the other end is connected with the insulating aluminum alloy pipe conductor of male, overlaps through shrinkage and puts at connecting portion.

Preferably, the insulation sleeve is a one-stage stepped sleeve, namely, the outer diameters of the sleeves at the two ends are different, the connecting part of the two sleeves is a positioning step for positioning the aluminum alloy fixture, one end of the insulation sleeve is provided with a blind rivet mounting hole for connecting an insulation aluminum alloy circular tube conductor, and the other end of the insulation sleeve is mounted in the fixture circular hole.

Preferably, the connecting positions of the two sides of the upper clamp and the lower clamp are both provided with clamp mounting threaded holes, and a plurality of weight-reducing grooves are formed along the two sides of the periphery of the round hole; when the base is connected with the base of the vibration reduction supporting structure, a spacer sleeve for preventing aluminum alloy from expanding with heat and contracting with cold is arranged in the through hole on the base, and a fixing bolt of a clamping structure is arranged in the spacer sleeve to connect the base in a shape like a Chinese character 'ji' with the spacer sleeve and a lower clamp into a whole.

The utility model has the advantages that:

1. the insulated aluminum alloy circular tube conductor of the utility model is made of aluminum alloy, which has light weight and low price and is 1/3 of copper; the round tubular structure is adopted, so that the skin effect is good when the electric conduction is carried out; the connecting joint is provided with transverse and longitudinal heat dissipation holes, so that heat in the aluminum alloy round pipe conductor can be discharged from the heat dissipation holes; the cross section of the insulated aluminum alloy round pipe conductor is large, so that the current carrying of the insulated aluminum alloy round pipe conductor is larger.

2. The aluminum alloy clamp on the hardware clamping structure of the utility model is formed by aluminum alloy casting, has high mechanical strength, and is provided with the weight reduction groove, so that the aluminum alloy clamp has lighter weight; the aluminum alloy clamp enables the insulated aluminum alloy circular tube conductors to be arranged in a triangular shape, so that the mechanical strength is higher; the tubular insulating sleeve is made of SMC materials and has certain hardness, so that the aluminum alloy clamp can not damage the high-molecular insulating sleeve; the cold shrinkage sleeve shrinks on the insulating sleeve outside the conductor to prevent the electric leakage of the rivet.

3. The cable bridge frame of the utility model is made of aluminum alloy, and has light weight; can place the light current cable at ordinary times, when erectting the installation, can also use as the cat ladder, hold many birds with one stone.

4. The utility model discloses a have shock-absorbing function base structure and all make by the metal material, mechanical strength is very high, adopts the U type shock-absorbing structure that the spring steel made, no matter be in transversely or the longitudinal shock attenuation effect very outstanding.

5. The utility model discloses a gold utensil presss from both sides tight structure and adopts aluminum alloy anchor clamps, because the metallic characteristic of aluminium can lead to expend with heat and contract with cold the phenomenon very obvious, when aluminum alloy anchor clamps are installed on the shock attenuation support base, installs the spacer sleeve that prevents expend with heat and contract with cold additional, solution aluminum alloy expend with heat and contract with cold problem that can be fine.

6. The utility model discloses adopt the form of flexible coupling to be connected between power line structure and the power line structure, when the circuit appears damaging, only need to change corresponding single section just can, it is very convenient to maintain.

7. Because the original joint is thinner, the contact surface of the flexible connection is one surface, the welding is easy to leak, and the welding part of the joint is easy to crash during the site construction. The connecting joint of the utility model is provided with axial and longitudinal heat dissipation holes, so that the heat in the tubular bus-aluminum alloy round tube conductor can be discharged from the heat dissipation holes; the heat dissipation area is increased, and the heat dissipation effect is better. The utility model discloses the joint has two flexible coupling contact surfaces, and when connecting with the conductor pipe welding, the junction contact surface is big, and is more convenient during the welding, can not appear the seepage, and the site operation can not hit badly easily. Under the condition of the same current, the flexible connection cross section of the connector of the utility model is smaller, which is only 0.5 times of the original cross section, thereby facilitating the field installation; to the insulated bus of the same external diameter, adopt the utility model discloses a joint, its electric current value is 2 times that originally connect.

Drawings

Fig. 1 is a schematic diagram of a power line structure of the present invention.

Fig. 2 is an appearance view of fig. 1.

Fig. 3 is a schematic view of the aluminum alloy circular tube conductor of the present invention.

Fig. 4 is a schematic diagram of the conductor structure with the insulating sleeve according to the present invention.

Fig. 5 is a right side view of fig. 4.

Fig. 6 is a schematic view of the conductor connection joint of fig. 3.

Fig. 7 is a right side view of fig. 6.

Fig. 8 is a top view of fig. 6.

Fig. 9 is a schematic view of the hardware clamping structure of the present invention.

Fig. 10 is a left side view of fig. 9.

Fig. 11 is a top view of fig. 9.

Fig. 12 is a schematic view of an insulation sleeve in an aluminum alloy fixture.

Fig. 13 is a top view of fig. 12.

Fig. 14 is the combined installation schematic diagram of the damping support structure and the hardware clamping structure of the present invention.

Fig. 15 is a schematic view of the vibration damping support structure of fig. 14.

Fig. 16 is a top view of fig. 15.

Fig. 17 is a schematic view of the spacer according to the present invention.

Fig. 18 is a schematic structural diagram of a cable tray according to the present invention.

Fig. 19 is a schematic view of the flexible connection installation of the present invention.

Fig. 20 is a side view of the conductor section of fig. 19 mounted for flexible connection.

In the figure: 1 is an insulated conductor, 2 is an hardware clamping structure, 3 is a vibration damping supporting structure, 4 is a cable bridge, 5 is a grounding flexible connection, 6 is a cold-shrinkage sleeve I, 7 is a connecting joint, 71 is a tubular bus connecting part, 72 is a wiring connecting part, 8 is an insulating sleeve, 9 is an aluminum alloy round tube conductor, 10 is a joint flexible connection mounting hole, 11 is a conductor splicing positioning step, 12 is a square heat dissipation hole, 13 is a round heat dissipation hole, 14 is an upper clamp, 15 is a lower clamp, 16 is a clamp fastening bolt, 17 is an insulating sleeve, 18 is a cold-shrinkage sleeve II, 19 is a clamp mounting threaded hole, 20 is a weight-reducing groove, 21 is an insulating sleeve positioning step, 22 is a rivet mounting hole, 23 is a base, 24 is a U-shaped spring, 25 is a connecting piece I, 26 is a spring fastening bolt, 27 is a connecting piece I fixing bolt, 28 is a connecting piece II, 29 is a cable bridge fixing hole, 30 is a clamping structure fixing hole, 31 is a base fixing strip mounting hole, 32 is a base fixing round mounting hole, 33 is an aluminum alloy section, 34 is an aluminum alloy pipe, 35 is a cable bridge fixing hole, 36 is a bridge flexible connection connecting hole, 37 is a spacer sleeve, 38 is a bolt through hole, 39 is a clamping structure fixing bolt, 40 is a flexible connection, 41 is a flexible connection fixing bolt, and 42 is a bridge grounding flexible connection fixing bolt.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example (b): as shown in fig. 1 and 2, the utility model relates to an electric power line structure, which comprises an insulated conductor 1, a cable bridge 4, a hardware clamping structure 2 and a vibration damping support structure 3, wherein the vibration damping support structure 3 is connected with the hardware clamping structure 2 to form a combined installation member, the number of the combined installation members is at least two, the combined installation members are arranged in parallel in the length direction close to the insulated conductor 1, and the number of the combined installation members is two in this example; the insulated conductor 1 is inserted into the hardware fitting clamping structure 2 to form a group of power line structures; the two ends of the insulated conductor 1 are provided with connecting joints 7, when lines with different lengths are connected according to actual needs, the two ends of the insulated conductor 1 of the two power line structures are connected into a connecting part through flexible connections 40, and an insulating sleeve I6 is sleeved on the connecting part.

The damping support structure is characterized by further comprising a cable bridge 4, wherein the cable bridge 4 is installed at the top of the damping support structure 3 and is arranged in parallel with the insulated conductor 1, and when the cable bridge 4 is connected in series, the cable bridge is connected through a grounding flexible connection 5.

As shown in fig. 3-5, the insulated conductor 1 is an insulated aluminum alloy circular tube conductor, and includes an aluminum alloy circular tube conductor 9, a connection joint 7 and an insulation sleeve 8, where the connection joint 7 is an aluminum alloy connection joint, and is inserted into two ends of the aluminum alloy circular tube conductor 9, and is welded into an integral body; and a polymer insulating sleeve 8 is arranged on the periphery of the aluminum alloy circular tube conductor 9. The aluminum polymer insulating sleeve 8 is shrunk on the aluminum alloy circular tube conductor 9 through a heating shrinkage process.

As shown in fig. 6-8, the aluminum alloy connector 7 is an integral structure, one end of which is a tubular busbar connecting portion 71, and the other end of which is a wiring connecting portion 72, and is formed by processing a section bar, wherein the tubular busbar connecting portion 71 is a stepped cylindrical connecting body matched with the tubular busbar connecting end, and is internally provided with an axial heat dissipation hole 13; the wiring connection part is provided with a joint flexible connection mounting hole 10 and a square heat dissipation hole 12.

The wiring connecting part 72 is of an approximately cuboid structure, the side surface connected with the tubular bus connecting part 71 and the opposite side surface of the tubular bus connecting part are both provided with heat dissipation grooves 74, the two groove sides of the heat dissipation grooves 74 of the tubular bus connecting part 71 and the wiring connecting part 72 are connected into an integral structure, and the side surface between the two heat dissipation grooves 74 is provided with a square heat dissipation hole 12; the other two end faces are connecting platforms 73, and are provided with joint flexible connection mounting holes 10. The connection part of the square heat dissipation hole 12 and the frame of the heat dissipation groove 74 is provided with arc transition.

The stepped cylindrical connector of the tubular bus connecting part 71 is provided with a positioning step 11 with the insertion depth of the tubular bus. The aluminum alloy circular tube conductor is formed by one-time extrusion forming and then heat treatment.

As shown in fig. 9-11, the fitting clamping structure includes an aluminum alloy clamp, an insulating sleeve 17 and a cold-shrink sleeve ii 18, the aluminum alloy clamp is formed by connecting an upper part and a lower part, and is divided into an upper clamp 14 and a lower clamp 15, the upper clamp 14 and the lower clamp 15 are respectively provided with three semicircular arcs arranged in an isosceles triangle, the upper clamp 14 and the lower clamp 15 are connected to form three round holes arranged in a triangle, the round holes are internally provided with the insulating sleeve 17, the insulating sleeve 17 is of an SMC tubular structure, one end of the insulating sleeve 17 is clamped in the clamp round holes, the other end of the insulating sleeve 17 is connected with the inserted insulating aluminum alloy round tube conductor 1, the connecting part is sleeved with the cold-shrink sleeve ii 18, and the cold-shrink sleeve ii 18 is a natural shrinkage.

As shown in fig. 12-13, the insulating sleeve 17 is a one-step sleeve, that is, the outer diameters of the sleeves at two ends are different, the connecting portion of the two sleeves is a positioning step 21 for positioning the aluminum alloy fixture, one end of the insulating sleeve 17 is provided with a rivet pulling mounting hole 22 for connecting the insulating aluminum alloy circular tube conductor 1, and a cold shrink sleeve 18 is sleeved on the periphery of the insulating sleeve 17 after connection for covering the rivet pulling hole.

Clamp mounting threaded holes 19 are formed in the connecting positions of the two sides of the upper clamp 14 and the lower clamp 15 and are fixedly connected through clamp fastening bolts 16; a plurality of weight-reducing grooves 20 are formed along both sides of the peripheries of the three round holes.

As shown in fig. 14 to 16, the vibration damping support structure 3 includes a connecting member i 25, a connecting member ii 28, U-shaped spring steels 24 and a base 23, two ends of the base 23 are connected to one end of the U-shaped spring steel 24 through the connecting member i 25 at the same side, the other end of the U-shaped spring steel 24 is connected to the connecting member ii 28 at the same side, U-shaped openings of the two U-shaped spring steels 24 are arranged oppositely, and the end surface of the connecting member i 25 connected to the base 23 and the connecting end surface of the free end of the connecting member ii 28 are on the same plane.

The connecting piece I25 and the connecting piece II 28 are both of angle iron structures, and mounting holes are formed in the connecting pieces, so that the connecting pieces are convenient to connect.

The connecting end of the connecting piece I25 and the U-shaped spring steel 24 is provided with two identical mounting holes which are connected through a spring fastening bolt 26, the connecting end of the connecting piece I25 and the base 23 is provided with a mounting hole which is fixed through a fixing bolt 27 of the connecting piece I.

The connecting end of the connecting piece II 28 and the U-shaped spring steel 24 is provided with two identical mounting holes, and the free end is provided with a base fixing circular mounting hole 32 and a base fixing strip mounting hole 31 for being connected with a base.

Base 23 is several types of font support bases, has four 90 bending, forms several types of font structures, and it has rectangular mounting hole to open respectively on the both ends of being connected with connecting piece I25 for connecting piece I25, adjust the mounted position of the U type spring steel of both ends installation, it has two rectangular shape that are used for installing the fitting to press from both sides tight structure fixed orifices 30 of clamp structure 2 and two circular mounting holes that are used for installing cable testing bridge 4 to open at several types of font tops. The installation position of the hardware fitting clamping structure 2 is adjusted in the strip installation hole; as shown in fig. 17, a spacer 37 made of stainless steel pipe is disposed in the elongated mounting hole to prevent the aluminum alloy from expanding with heat and contracting with cold, the spacer 37 is fastened to the lower jig 15 by a fixing bolt 39, and the length of the spacer 37 is greater than the thickness of the n-shaped support base 23, so that the lower jig 15 can move back and forth on the n-shaped support base 23. The original clamp is fixed on the base in the shape of a Chinese character ji through bolts and is fixed tightly and immovable. Because the utility model discloses the spacer sleeve has been set up for anchor clamps do not fix with nearly font base 23, and round trip movement on the rectangular shape clamping structure fixed orifices 30 of nearly font base 23 again of anchor clamps, when the conductor expend with heat and contract with cold, solve expend with heat and contract with cold problem through spacer sleeve 37.

As shown in fig. 18-20, the cable tray 4 is in the shape of a ladder, and is formed by arranging a plurality of aluminum alloy circular tubes 34 between two aluminum alloy groove-shaped profiles 33 which are symmetrically arranged, wherein the aluminum alloy circular tubes 34 are arranged at equal intervals, and the whole cable tray is in the shape of a ladder.

The two ends of the aluminum alloy groove-shaped section bar 33 are respectively provided with a round mounting hole 36 for flexible connection, and the middle part of the aluminum alloy groove-shaped section bar is provided with a fixing hole 35 for connecting the damping support structure 3.

As shown in FIGS. 19-20, for the flexible connection structure of the present invention, the aluminum alloy joints 7 of the two aluminum alloy tubular conductors are connected by a flexible connection 40, fixed by a fixing bolt 41, and a natural cold-shrink insulation sleeve I6 is sleeved on the periphery of the flexible connection and the aluminum alloy joints.

The two series cable bridges 4 are connected through a grounding flexible connection 5 and fixed by a grounding flexible connection fixing bolt 42.

The utility model discloses when the equipment, as shown in fig. 1-5, at first will have square louvre 12 and circular louvre 13's aluminum alloy attach fitting 7 and aluminum alloy pipe conductor 9 and peg graft through grafting location step 11, insert aluminum alloy attach fitting 7 back at aluminum alloy pipe conductor 9 both ends simultaneously and weld integratively, then cover polymer insulation support 8 through pyrocondensation technology in the aluminum alloy pipe conductor 9 outside.

As shown in fig. 15 to 16, in the assembly of the shock-absorbing support structure 3, two ends of the support base 23 in the shape of a Chinese character 'ji' are respectively connected with the connecting piece i 25 through the fixing bolt 27, one end of the spring steel 24 in the shape of a U is connected through the connecting piece i 25, the other end of the spring steel 24 in the shape of a U is connected with the connecting piece ii 28, and the strip-shaped mounting hole 31 for fixing the foundation and the round mounting hole 32 for fixing the foundation on the connecting piece ii 28 are connected with.

As shown in fig. 14, a hardware clamping structure 2 is connected to the top of the n-shaped support base 23, an aluminum alloy upper clamp 14 and an aluminum alloy lower clamp 15 fix an insulation sleeve 17 through clamp fastening bolts 16, a spacer 37 is arranged in a clamping structure fixing hole 30 on the base 23, and a clamping structure fixing bolt 39 is arranged in the spacer 37 to connect the n-shaped support base 23, the spacer 37 and the lower clamp 15 into a whole. The insulated conductor 1 is inserted into the insulating sleeve 17, the insulated conductor and the insulated conductor are connected through a pull rivet, and then the cold shrink sleeve II 18 is sleeved.

The cable tray 4 is assembled as shown in fig. 18, the assembled cable tray 4 is mounted on the top of the support base 23 as shown in fig. 1 and 2, and is arranged in parallel with the insulated conductor 1, and the ends of the two cable trays 4 connected in series are connected by the grounding flexible connector 5 and the flexible connector fixing bolt 41.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims (10)

1. An electric power line structure characterized in that: including insulated conductor, cable testing bridge, gold utensil press from both sides tight structure and damping bearing structure, be connected with the gold utensil on the damping bearing structure and press from both sides tight structure, form the built-up fitting spare, the built-up fitting spare is at least two, sets up side by side along insulated conductor length direction, and insulated conductor pegs graft in the gold utensil presss from both sides tight structure, insulated conductor both ends have attach fitting, and when series connection, the insulated conductor both ends connect into connecting portion through the flexible coupling series connection, put insulating cover at connecting portion cover.

2. The electric power line structure according to claim 1, characterized in that: the vibration-damping support structure is arranged on the outer wall of the insulating conductor, and the vibration-damping support structure is arranged on the outer wall of the insulating conductor.

3. The electric power line structure according to claim 1, characterized in that: the insulated conductor is an insulated aluminum alloy round tube conductor and comprises an aluminum alloy round tube conductor, a connecting joint and a polymer insulating sleeve, wherein the connecting joint is an aluminum alloy connecting joint and is inserted at two ends of the aluminum alloy round tube conductor, and the polymer insulating sleeve is arranged on the periphery of the aluminum alloy round tube conductor.

4. The electric power line structure according to claim 3, characterized in that: the aluminum alloy connecting joint is characterized in that one end of the aluminum alloy connecting joint is a tubular bus connecting part, the other end of the aluminum alloy connecting joint is a wiring connecting part, the tubular bus connecting part is a stepped cylindrical connecting body matched with the tubular bus connecting end, and a joint flexible connection mounting hole is formed in the wiring connecting part.

5. The electric power line structure according to claim 4, characterized in that: the wiring connecting part is of a cuboid structure, radiating grooves are formed in the side face connected with the tubular bus connecting part and the opposite side face of the connecting part, and radiating holes are formed in the side face between the two radiating grooves; the other two side surfaces are wiring platforms, and wiring connection holes are formed in the wiring platforms.

6. The electric power line structure according to claim 4 or 5, characterized in that: the tubular bus connecting part is provided with heat dissipation holes along the axial direction.

7. The electric power line structure according to claim 4, characterized in that: the stepped cylindrical connector of the tubular bus connecting part is provided with a positioning step matched with the tubular bus in insertion depth.

8. The electric power line structure according to claim 1, characterized in that: the hardware fitting clamping structure comprises an aluminum alloy clamp, an insulating sleeve and a cold shrinkage sleeve, the aluminum alloy clamp is formed by connecting an upper part and a lower part and is divided into an upper clamp and a lower clamp, three semicircular arcs which are arranged in a triangular mode are respectively arranged on the upper clamp and the lower clamp, three round holes which are arranged in a triangular mode are formed after the upper clamp and the lower clamp are connected, the insulating sleeve is arranged in the round holes, one end of the insulating sleeve is clamped in the round holes of the clamps, the other end of the insulating sleeve is connected with an inserted insulating aluminum alloy round pipe conductor, and the connecting portion is sleeved with the cold.

9. The electric power line structure according to claim 8, characterized in that: the insulating external member is one-level ladder sleeve, and the sleeve external diameter at both ends is different promptly, and two sleeve connecting portion are the location step of location aluminum alloy anchor clamps, and insulating external member one end is opened has the rivet setting hole of connecting insulating aluminum alloy pipe conductor, and the other end is installed in the anchor clamps round hole.

10. The electric power line structure according to claim 8, characterized in that: clamp mounting threaded holes are formed in the connecting positions of the two sides of the upper clamp and the lower clamp, and a plurality of weight-reducing grooves are formed in the two sides of the periphery of the round hole; when the base is connected with the base of the vibration reduction supporting structure, a spacer sleeve for preventing aluminum alloy from expanding with heat and contracting with cold is arranged in the through hole on the base, and a fixing bolt of a clamping structure is arranged in the spacer sleeve to connect the base in a shape like a Chinese character 'ji' with the spacer sleeve and a lower clamp into a whole.

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