CN218160038U

CN218160038U - Connecting conductor for high-voltage switch

Info

Publication number: CN218160038U
Application number: CN202222306345.2U
Authority: CN
Inventors: 何振宇; 胡兆和; 张发洪
Original assignee: Jiangsu Xinsheng Electric Co ltd
Current assignee: Jiangsu Xinsheng Electric Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-27
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a connecting conductor for high-voltage switch, including solid body, first attach fitting, second attach fitting and ground connection joint, solid body includes arc portion and connecting portion, the middle part of solid body has the arc portion of crooked setting, the cross section of solid body is circular, solid body includes first end and second end, first attach fitting is fixed first end, ground connection joint is fixed the second end, the second attach fitting passes through connecting portion are fixed on the solid body between arc portion and the second end. The utility model discloses a three articulate for the connection of conductor is more firm, is connected with the insulator simultaneously, improves the security of conductor, and the integration casting is made, firm in connection between each subassembly, non-deformable, long service life.

Description

Connecting conductor for high-voltage switch

Technical Field

The utility model relates to a high-voltage electrical equipment field especially relates to a connecting conductor for high-voltage switch.

Background

In a high-voltage switch, a conductor is used for realizing the electric connection of two components in the high-voltage switch, and along with the increasingly strong market competition of switches at home and abroad, high-voltage switch products gradually develop towards miniaturization, low cost, high reliability and the like. At present, the conductor for the high-voltage switch product is mainly manufactured by casting, forging, machining and the like. The conductors in the prior art mainly have the following problems: firstly, the conductor has a simple structure, and the conductor is connected with the joint in a welding mode, so that the welding surface of the conductor is easy to have the defects of incomplete welding or air holes and the like, the performance of the conductor is reduced, and the use safety of the high-voltage switch is reduced; the second conductor is only provided with two joints generally and used for connecting two parts, the conductors are generally made of metal alloy and are heavy, and during connection, the two parts bear large downward gravity, so that the phenomenon that the two parts deform or are connected insecurely can occur after long-term use.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a connecting conductor for high tension switchgear.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a connecting conductor for high tension switchgear, includes solid body, first attach fitting, second attach fitting and ground connection, and solid body includes arc portion and connecting portion, the middle part of solid body has the arc portion of crooked setting, the cross section of solid body is circular, solid body includes first end and second end, first attach fitting fixes first end, ground connection connects and fixes the second end, the second attach fitting passes through connecting portion fix on the solid body between arc portion and the second end.

Preferably, first attach fitting is the cylinder, first attach fitting's one end is connected solid body's first end, first attach fitting keeps away from be equipped with first screw hole and second screw hole on the terminal surface of solid body's one end, first screw hole sets up first attach fitting's centre of a circle department, the second screw hole is followed first attach fitting's circumference equidistance sets up, the second screw hole has three at least.

Preferably, the connecting part is perpendicular to the solid body, and an included angle of 90-120 degrees is formed between the connecting part and a plane where the arc-shaped part is located.

Preferably, one end of the second connecting joint is connected to the connecting portion, the second connecting joint is arranged obliquely, and the end face, away from the connecting portion, of the second connecting joint is provided with four fixing threaded holes which are symmetrically arranged in a crisscross manner and a third threaded hole which is arranged in the middle.

Preferably, the ground joint includes the joint body, the outer wall that connects the body is equipped with the edge the recess that connects body circumference equidistance to set up, the one end that connects the body is connected the second end of solid body, the other end that connects the body is equipped with the mounting hole, the mounting hole runs through the recess is close to the cell wall of mounting hole one side.

Preferably, there are three of the grooves, and the mounting holes correspond to the number of the grooves.

Preferably, a chamfer angle is arranged between the notch of the groove and the outer wall of the joint body, the groove is an isosceles trapezoid groove, and the bottom of the groove is an arc-shaped bottom.

Preferably, the solid body, the first connection joint, the second connection joint and the grounding joint are integrally cast.

Compared with the prior art, the beneficial effects of the utility model are that: (1) The utility model discloses a connecting conductor is made by the aluminum alloy, the material is lighter, convenient electrically conductive, reduce the weight of conductor, connect two parts respectively through first attach fitting and second attach fitting during use, guarantee to carry out the electricity between two parts and connect, the ground connection has simultaneously, connect this conductor on the insulator through the ground connection, the insulator is fixed in high voltage switch, through passing through the ground connection with the conductor and being connected with the insulator, guarantee the insulator can undertake the weight of conductor, reduce the gravity that two parts bore, avoid two parts to take place to warp, through three articulate, make the connection of conductor more firm, simultaneously with the insulator connection, the security of conductor is improved. (2) The solid body, the first connecting joint, the second connecting joint and the grounding joint are integrally cast. Make firm in connection between each subassembly, non-deformable avoids appearing the welding insecurely, appears the gas pocket for the phenomenon that conductor performance descends, and the security reduces. (3) The ground joint includes connecting the body, the outer wall that connects the body is equipped with the edge connect the recess that body circumference equidistance set up, the one end that connects the body is connected the second end of solid body, the other end that connects the body is equipped with the mounting hole, the mounting hole runs through the recess is close to the cell wall of mounting hole one side. When the bolt is used, the bolt penetrates through the mounting hole to be in butt joint with the insulator, the bolt is fixed through the nut, the groove provides mounting space for the nut of the bolt, and the bolt is convenient to fix; and the groove can also protect the bolt and the nut, and the bolt and the nut are prevented from being exposed and damaged.

Drawings

Fig. 1 is a schematic perspective view of a connection conductor for a high-voltage switch according to the present invention;

fig. 2 is a top view of a connection conductor for a high-voltage switch according to the present invention;

fig. 3 is a left side view of a connecting conductor for a high-voltage switch according to the present invention;

fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A ofbase:Sub>A connecting conductor forbase:Sub>A high-voltage switch according to the present invention.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a connecting conductor for a high-voltage switch according to an embodiment of the present invention includes a solid body 100, a first connecting joint 200, a second connecting joint 300 and a ground joint 400, the solid body 100 includes an arc portion 110 and a connecting portion 120, the arc portion 110 is disposed at the middle portion of the solid body 100 in a bending manner, so as to reduce interference of current and ensure better conduction of current. The solid body 100 has a circular cross section, the solid body 100 includes a first end 101 and a second end 102, the first connection joint 200 is fixed to the first end 101, the ground joint 400 is fixed to the second end 102, and the second connection joint 300 is fixed to the solid body 100 between the arc-shaped portion 110 and the second end 102 through the connection portion 120. The connecting conductor is made by the aluminum alloy, the material is lighter, convenient electrically conductive, reduce the weight of conductor, connect two parts respectively through first connecting joint 200 and second connecting joint 300 during the use, guarantee to carry out the electricity between two parts and connect, ground joint 400 has simultaneously, connect this conductor on the insulator through ground joint 400, the insulator is fixed in high voltage switch, through being connected the conductor with the insulator through ground joint 400, guarantee the insulator can undertake the weight of conductor, reduce the gravity that two parts bore, avoid two parts to take place to warp, through three articulate, make the connection of conductor more firm, be connected with the insulator simultaneously, the security that improves the conductor.

First attach fitting 200 is the cylinder, the one end of first attach fitting 200 is connected the first end 101 of solid body 100, first attach fitting 200 keeps away from be equipped with first screw hole 210 and second screw hole 220 on the terminal surface of the one end of solid body 100, first screw hole 210 sets up the centre of a circle department of first attach fitting 200, second screw hole 220 is followed first attach fitting 200's circumference equidistance sets up, second screw hole 220 has three at least. When connection is guaranteed, the component is connected to the first end of the conductor through the first threaded hole 210 and the second threaded hole 220, and the component is fixed through the middle portion and the circumference at the same time, so that the fixing is stable and firm.

Preferably, the connecting portion 120 is perpendicular to the solid body 100, and an included angle between the connecting portion 120 and a plane in which the arc portion 110 is located is 90-120 °. The arc-shaped portions 110 and the connecting portions 120 are staggered from each other, so that the arc-shaped portions 110 can interfere with the components to influence the connection when the second connecting joint 300 fixed on the connecting portion 120 is connected with the components.

One end of the second connection joint 300 is connected to the connecting portion 120, the second connection joint 300 is disposed in an inclined manner, so that connection and fixation are facilitated, and the second connection joint 300 is far away from four fixing threaded holes 310 symmetrically disposed on the end face of the connecting portion 120 in a cross manner and a third threaded hole 320 disposed in the middle. The fixing threaded hole 310 and the third threaded hole 320 are fixed at the same time, so that firm connection between the conductor and the component is guaranteed, loosening is avoided, and safety is high.

Preferably, the ground connector 400 includes a connector body 401, the outer wall of the connector body 401 is provided with grooves 410 equidistantly arranged along the circumference of the connector body 401, one end of the connector body 401 is connected to the second end 102 of the solid body 100, the other end of the connector body 401 is provided with a mounting hole 420, and the mounting hole 420 penetrates through the groove wall of the groove 410 close to one side of the mounting hole 420. There are three grooves 410, and the number of the mounting holes 420 corresponds to the number of the grooves 410. When the bolt is used, the bolt penetrates through the mounting hole 420 to be in butt joint with the insulator, the bolt is fixed through the nut, and the groove 410 provides mounting space for the nut of the bolt, so that the bolt is convenient to fix; and the groove 410 can also protect the bolt and the nut from being damaged due to the exposed bolt and nut.

A chamfer 430 is arranged between the notch of the groove 410 and the outer wall of the joint body 401, so that the strength of the groove 410 is ensured to be larger, the strength of the grounding joint 400 is ensured, and the conductor is prevented from being broken at the groove 410 when being used for a long time, so that the service life of the conductor of the utility model is long; the groove 410 is an isosceles trapezoid groove, and the bottom of the groove 410 is an arc bottom. When the nut is installed, the notch is larger than the groove bottom, the nut is screwed by a convenient and practical tool or a direct hand, the nut is favorably installed and disassembled, the groove bottom is an arc-shaped bottom, the fracture of the joint between the groove bottom and the groove wall is avoided, the strength of the grounding connector 400 is high, and the breakage is not prone to occurring.

The solid body 100, the first connection terminal 200, the second connection terminal 300, and the ground terminal 400 are integrally cast. Through the integration casting for firm in connection between each subassembly, non-deformable avoids appearing the welding insecurely, appears the gas pocket, makes the conductor performance descend, the phenomenon that the security reduces.

The present invention has been described in connection with the above embodiments, which are only examples of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims

1. A connecting conductor for a high-voltage switch, characterized in that: including solid body, first attach fitting, second attach fitting and ground connection joint, solid body includes arc portion and connecting portion, the middle part of solid body has the arc portion of crooked setting, the cross section of solid body is circular, solid body includes first end and second end, first attach fitting fixes first end, ground connection joint fixes the second end, second attach fitting passes through connecting portion are fixed on the solid body between arc portion and the second end.

2. A connecting conductor for a high-voltage switch as claimed in claim 1, characterized in that: the first connector is a cylinder, the first end of the solid body is connected to the one end of the first connector, the first connector is far away from the end face of the one end of the solid body and is provided with a first threaded hole and a second threaded hole, the first threaded hole is arranged at the circle center of the first connector, the second threaded hole is arranged along the circumference of the first connector in an equidistant mode, and the second threaded hole is at least three.

3. A connecting conductor for a high-voltage switch as claimed in claim 1, characterized in that: the connecting part is perpendicular to the solid body, and an included angle of 90-120 degrees is formed between the connecting part and the plane where the arc-shaped part is located.

4. A connecting conductor for a high-voltage switch as claimed in claim 3, characterized in that: one end of the second connecting joint is connected with the connecting part, the second connecting joint is obliquely arranged, and the second connecting joint is far away from four fixing threaded holes which are symmetrically arranged in a cross manner on the end surface of the connecting part and a third threaded hole which is arranged in the middle of the connecting part.

5. A connecting conductor for a high-voltage switch as claimed in claim 1, characterized in that: the ground joint includes the joint body, the outer wall that connects the body is equipped with the edge the recess that connects body circumference equidistance to set up, the one end that connects the body is connected the second end of solid body, the other end that connects the body is equipped with the mounting hole, the mounting hole runs through the recess is close to the cell wall of mounting hole one side.

6. A connecting conductor for a high-voltage switch as claimed in claim 5, characterized in that: the number of the grooves is three, and the number of the mounting holes corresponds to that of the grooves.

7. A connecting conductor for a high-voltage switch as claimed in claim 5, characterized in that: the notch of recess with the chamfer has between the outer wall that connects the body, the recess is isosceles trapezoid groove, the tank bottom of recess is the arc end.

8. A connecting conductor for a high-voltage switch as claimed in claim 1, characterized in that: the solid body, the first connecting joint, the second connecting joint and the grounding joint are integrally cast.