CN115764342A - Power transmission overhead line tower power connection wire connecting device without welding - Google Patents

Abstract

The application provides a transmission overhead line shaft tower electric connection wire connecting device who need not welded, including connecting wire, earth connection and coupling assembling. The connecting assembly comprises a first terminal and a second terminal which are detachably connected with the connecting wire and the grounding wire respectively. According to the different in service behavior of outdoor electric wire shaft tower earth connection, the coupling assembling that this application provided includes that the square meets circle coupling assembling, circle and connects circle coupling assembling, circle and connect square coupling assembling and square and connect the side coupling assembling, is applicable to the condition of cross arm and circular earth connection, circular connecting wire and band iron type earth connection and iron tie and band iron type earth connection respectively. Through the coupling assembling of above-mentioned four kinds of structures, can be quick be connected cracked earthing device and shaft tower and fasten, save welding operation's loaded down with trivial details procedure, reduce working strength, improve work efficiency. And above-mentioned coupling assembling simple structure wholly lightly, portable and use.

Description

Power transmission overhead line tower power connection wire connecting device free of welding

Technical Field

The application relates to the technical field of power transmission line connection, in particular to a power transmission overhead line tower power connection line connecting device without welding.

Background

The transmission line tower grounding device is an important component of a transmission line and is a general name of a grounding body and a grounding down conductor. Because transmission line shaft tower most sets up in the open air, and the ground connection downlead of shaft tower exposes in the open air for a long time, receives natural environment's such as sleet, ponding influence, and the earthing device who installs in the shaft tower bottom can take place the corrosion and break. The conventional restoration mode is that use the electric welding to weld cracked earthing device, but a lot of transmission line shaft towers are located the waster and suburb field, use the welding to restore and need carry a large amount of equipment, and the inconvenient welding jobs that carries on in geographical position of shaft tower some moreover makes whole restoration process waste time and energy, and is very inconvenient.

Disclosure of Invention

The application provides a need not welded transmission of electricity overhead line shaft tower electric wire connecting device to the loaded down with trivial details problem of operation procedure when solving and adopting the welding mode to restore cracked earthing device.

The application provides a transmission overhead line pole tower power connection wire connecting device without welding, which comprises a connecting wire, a grounding wire and a connecting assembly, wherein the connecting assembly comprises a first wiring end and a second wiring end, and the first wiring end is provided with a first profiling interface matched with the cross section shape of the connecting wire; the second wiring end is provided with a second profiling interface matched with the cross section of the grounding wire in shape; the first wiring terminal is detachably connected with the connecting wire through the first profiling interface; the second wiring terminal is detachably connected with the grounding wire through the second profiling interface. The connecting wires and the grounding wires of different structures can be detachably connected by adopting the connecting assembly, the connecting wires and the grounding wires can be connected without welding, the operation is simple, manpower and material resources are saved, and the operation efficiency can be improved.

Optionally, the connecting assembly includes a clamping groove, a fastening bolt and a first connecting piece; one side of the clamping groove is connected with the first connecting piece, and the other side of the clamping groove is provided with a hole for connecting a fastening bolt to form a first wiring terminal; the side wall of the first connecting piece is provided with a hole for connecting a fastening bolt to form a second terminal; the end part of one side, far away from the clamping groove, of the first connecting piece is provided with a first wiring port. The connecting assembly with the structure can connect the cross arm serving as the connecting wire with the grounding wire of the circular structure in a detachable connection mode.

Optionally, the clamping groove is of a U-shaped structure, so that the clamping groove can be reliably clamped with the cross arm serving as the connecting wire.

Optionally, the connecting assembly further comprises a second connecting piece and a fastening bolt; holes are formed in two ends of the side wall of the second connecting piece and used for connecting fastening bolts respectively to form a first wiring end and a second wiring end; and two ends of the second connecting piece are respectively provided with a first wiring port. The connecting assembly with the structure can connect the connecting wire with the circular structure with the grounding wire with the circular structure in a detachable connection mode.

Optionally, the first wiring port has a circular structure, so that a connection wire or a ground wire with a circular structure can be smoothly inserted into the first connecting piece.

Optionally, the first wiring port is a through hole, so that the insertion depth of the connecting wire or the grounding wire can be increased, and the connecting wire or the grounding wire can be reliably fixed by the fastening bolt.

Optionally, the connecting assembly further includes a first connecting member, a fastening bolt, and a third connecting member; one end of the third connecting piece is connected with one end of the first connecting piece; a second wiring port is formed in the other end of the third connecting piece, and a first wiring port is formed in the end part, far away from the third connecting piece, of the first connecting piece; the side wall of the first connecting piece is provided with a hole for connecting a fastening bolt to form a first terminal; and one side of the third connecting piece is provided with a hole for connecting a fastening bolt to form a second terminal. The connecting assembly with the structure can connect the connecting wire with the circular structure with the grounding wire with the flat iron type structure in a detachable connection mode.

Optionally, the connecting assembly further comprises a fourth connecting member, a fastening bolt and a gasket; one side of the gasket is connected with one side of the fourth connecting piece; the other side of the fourth connecting piece is provided with a hole for connecting a fastening bolt to form a second terminal; one end of the gasket, which is far away from the fourth connecting piece, is provided with a hole for connecting a fastening bolt to form a first wiring end; and a second wiring port is formed in one side of the fourth connecting piece connected with the gasket. The connecting assembly with the structure can connect the iron lap as the connecting wire with the grounding wire of the flat iron type structure in a detachable connection mode.

Optionally, the second wiring port is of a flat structure, so that the grounding wire of the flat iron structure can be smoothly inserted into the third or fourth connecting piece.

Optionally, the second wiring port is a through hole, so that the insertion depth of the connecting wire or the grounding wire can be increased, and the connecting wire or the grounding wire can be reliably fixed by the fastening bolt.

According to the technical scheme, the power transmission overhead line tower power connection wire connecting device without welding comprises the connecting wire, the grounding wire and the connecting assembly. The connecting assembly comprises four structures, wherein the first structure is a combination of a clamping groove and a round structure connecting piece, the second structure is a connecting piece of a round structure, the third structure is a combination of a round structure connecting piece and a square structure connecting piece, and the fourth structure is a combination of a base plate and a square structure connecting piece. Through adopting four kinds of coupling assembling connect different structure's connecting wire and earth connection, need not the welding and can fasten cracked earthing device and shaft tower, save welding jobs's loaded down with trivial details procedure, reduce working strength, improve work efficiency. And the connecting assembly with the four structures has the advantages of simple structure, light weight, easy production, portability and convenient use.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of four different structural connecting assemblies provided herein;

fig. 2 is a schematic structural diagram of a square-to-round connection assembly provided in the present application;

FIG. 3 is a schematic structural view of a round-to-round connection assembly provided herein;

fig. 4 is a schematic structural diagram of a round-to-square connection assembly provided in the present application;

fig. 5 is a schematic structural diagram of a square-connection assembly provided in the present application.

Illustration of the drawings:

wherein, 1-a wire tower; 2-transverse lapping; 3-a flame spray gun; 4-welding wire; 5 a-circular ground line; 5 b-a flat iron type ground wire; 6-square connecting component; 6 a-a card slot; 6 b-a first connector; 6 c-fastening bolts; 6 d-a first wiring port; 7-a round-to-round connection assembly; 7 a-a second connection; 8-round-square-connection connecting component; 8 b-a third connection; 8 d-a second wiring port; 9-square connection component; 9 a-a spacer; 9 b-a fourth connection; 10-iron lap; 11-circular connecting line.

Detailed Description

Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as examples of systems and methods consistent with certain aspects of the application, as detailed in the claims.

Under the influence of natural environments such as rain, snow, accumulated water and the like, the grounding device arranged at the bottom of the tower can be corroded and broken. Conventional restoration mode is that use the electric welding to weld cracked earthing device, but a lot of shaft towers are located the extraordinarily field, use the welding to repair and need carry a large amount of equipment, and the geographical position of some shaft towers is inconvenient to carry out welding operation moreover, and whole restoration flow is wasted time and energy, and is very inconvenient.

In order to solve the problems, the application provides a transmission overhead line tower electric wire connection device without welding.

The application provides a need not welded transmission overhead line shaft tower electric wire connecting device, including connecting wire, earth connection and coupling assembling. Coupling assembling includes first wiring end and second wiring end, first wiring end be equipped with the first profile modeling interface of connecting wire cross section shape looks adaptation, first wiring end is connected through first profile modeling interface and connecting wire are dismantled. The second wiring end is provided with a second copying interface matched with the cross section shape of the grounding wire, and the second wiring end is detachably connected with the grounding wire through the second copying interface. Fig. 1 is four kinds of different structural coupling assembling, as shown in fig. 1, because under different occasions, the appearance of connecting wire and earth connection is different, so according to the different in service behavior of outdoor electric wire shaft tower earth connection, this application embodiment provides four kinds of different structural coupling assembling: the square-to-round connecting assembly 6, the round-to-round connecting assembly 7, the round-to-square connecting assembly 8 and the square-to-square connecting assembly 9.

Fig. 2 is a schematic structural view of the square-to-circle connecting assembly provided in the present application, and as shown in fig. 2, the square-to-circle connecting assembly 6 includes a clamping groove 6a, a fastening bolt 6c, and a first connecting member 6b. The square connection circle connecting assembly 6 is suitable for the situation that the cross arm adds a circular grounding wire, the clamping groove 6a is of a U-shaped groove structure and is clamped with one of right-angle edges of the cross arm 2, the width of the U-shaped groove is matched with the thickness of the right-angle edge of the cross arm 2 in a clamped mode, and the clamping groove 6a is easily and freely clamped with the cross arm 2. One side of the U-shaped side of the slot 6a is provided with two holes, in this embodiment. In some embodiments, there may be a plurality of holes along the length of the slot 6 a. The first connecting piece 6b is a cylindrical structure, and holes are formed in the side wall, and in this embodiment, the number of the holes is two, and the holes are arranged along the using direction of the first connecting piece 6b.

One end of the first connecting piece 6b is connected with the side, which is not provided with the hole, of the clamping groove 6a and can be connected through welding. In this embodiment, in consideration of the welding reliability, the clamping groove 6a and the first connecting member 6b are made of carbon steel. In some embodiments, the slot 6a and the first connecting member 6b may be further treated with rust-proof treatment to take account of the influence of the external rain and snow environment. It should be noted that, during welding, the opening side of the side wall of the first connecting member 6b and the U-shaped transverse side of the slot 6a should be disposed on the same side for convenient use. The end of the first connecting piece 6b far away from the clamping groove 6a is provided with a first wiring port 6d, namely a second profiling interface connected with the grounding wire. The first wire connection opening 6d is a through hole with a circular structure, and in some embodiments, the first wire connection opening 6d may not be a through hole, and may have a depth exceeding the opening of the side wall of the first connection member 6b. In this embodiment, the hole diameter of the first wire connecting port 6d is determined according to the outer diameter of the circular ground wire 5a, and the hole diameter of the first wire connecting port 6d may be 2-3mm larger than the outer diameter of the circular ground wire 5 a.

During the use, block draw-in groove 6a to one of them right angle edge of cross arm 2, rotatory fastening bolt 6c fastens, and draw-in groove 6a is first wiring end this moment promptly. Secondly, the round ground wire 5a is connected into the first wiring port 6d of the first connecting piece 6b, and the fastening bolt 6c is screwed into the opening of the side wall of the first connecting piece 6b for fastening, at this time, the first wiring port 6d of the first connecting piece 6b is the second wiring terminal. In this embodiment, the number of the fastening bolts 6c of the first terminal is two, so that the card slot 6a can be reliably fixed on the cross arm 2; the number of the fastening bolts 6c of the second terminal is also two, so that the circular ground wire 5a can be reliably fixed.

Fig. 3 is a schematic structural view of the round-to-round connection assembly provided by the present application, and as shown in fig. 3, the round-to-round connection assembly 7 includes a second connection member 7a and a fastening bolt 6c. The round-to-round connecting assembly 7 is suitable for the case of a round connecting wire and a round grounding wire. The second connecting piece 7a is a cylinder structure, and both ends of the side wall are provided with holes, in this embodiment, the number of the holes at both ends of the second connecting piece 7a is two, and the holes are arranged along the using direction of the second connecting piece 7 a. The two ends of the second connecting piece 7a are respectively provided with a first wiring port 6d, namely a first square port and a second square port which are respectively connected with a connecting wire and a grounding wire. In this embodiment, the two first wire connection ports 6d are connected, in some embodiments, the two first wire connection ports 6d may not be connected, and the depth of each first wire connection port 6d exceeds the openings at the two ends of the side wall of the second connection member 7 a.

When the connector is used, the round connecting wire and the round grounding wire 5a are respectively inserted into the first wiring ports 6d at two ends of the second connecting piece 7a, and then two fastening bolts 6c are respectively used for fastening the two ends, so that the round connecting wire and the round grounding wire 5a are reliably fixed. At this time, the first wiring port 6d at the two ends of the second connecting piece 7a connected with the connecting wire is the first terminal, and the first wiring port 6d connected with the circular grounding wire 5a is the second terminal.

Fig. 4 is a schematic structural view of the round-to-square connecting assembly provided by the present application, and as shown in fig. 4, the round-to-square connecting assembly 8 includes a first connecting member 6b, a fastening bolt 6c, and a third connecting member 8b. The round-connection square connecting assembly 8 is suitable for the situation of a round connecting wire and a flat iron type grounding wire. The third connecting piece 8b is the rectangular plate structure, and face one side of rectangular plate sets up porosely, and in this embodiment, the quantity in hole is two, and the direction of use setting of just following third connecting piece 8b is placed in the middle of. One end of the third connecting piece 8b is provided with a second wiring port 8d, that is, a second profiling interface connected with the ground wire. The second wiring port 8d is of a flat structure, and the size of the second wiring port is matched with that of the flat iron type grounding wire 5b and is slightly larger than that of the flat iron type grounding wire 5b so as to be convenient for the insertion of the flat iron type grounding wire. In this embodiment, the second wire connection port 8d is a through hole, and in some embodiments, the second wire connection port 8d may not be a through hole, and the depth thereof may exceed the opening of the plate surface of the third connection member 8b.

The other end of the third connecting member 8b is connected to one end of the first connecting member 6b, and may be connected by welding. In this embodiment, the third connecting member 8b is also made of carbon steel and subjected to rust prevention in consideration of the reliability of welding. It can be understood that the first connecting piece 6b is the first connecting piece 6b in the square-round connecting component, and the side wall of the first connecting piece 6b is provided with a hole, and the end part of the first connecting piece is provided with a first wiring port 6d, namely a first profiling interface connected with the connecting wire. The first wiring port 6d is a through hole, as in the above-described square wiring module. It should be noted that, during welding, the side of the opening of the side wall of the first connecting piece 6b and the side of the opening of the plate surface of the third connecting piece 8b should be arranged on the same side for convenient use.

When the round connecting wire is used, the round connecting wire is inserted into the first connecting piece 6b and is fastened by the fastening bolt 6c, and the first wire connecting port 6d of the first connecting piece 6b is the first wire connecting end. And then the flat iron type grounding wire 5b is connected into a second wiring port 8d of a third connecting piece 8b and is fastened by a fastening bolt 6c, and at the moment, the second wiring port 8d of the third connecting piece 8b is a second wiring terminal. In this embodiment, the number of the fastening bolts 6c of the first terminal and the second terminal is two, so that the circular connecting wire and the flat iron type grounding wire 5b can be reliably fixed.

Fig. 5 is a schematic structural view of the square connecting module provided in the present application, and as shown in fig. 5, the square connecting module 9 includes a fourth connecting member 9b, a fastening bolt 6c, and a gasket 9a. The square connection assembly 9 is suitable for the condition of an iron lap and flat iron type grounding wire. The fourth connecting piece 9b is of a rectangular plate structure, and one side of the surface of the rectangular plate is provided with two holes, in the embodiment, the number of the holes is two, and the holes are arranged in the middle and along the using direction of the fourth connecting piece 9 b. The other side of the fourth connecting piece 9b is provided with a second wiring port 8d which is also a second profiling interface connected with the grounding wire. The second wiring port 8d in this embodiment is the second wiring port 8d in the round-connection-square connection assembly, and is of a flat structure, and in this embodiment, the second wiring port 8d is a U-shaped groove formed along one side of the rectangular plate surface of the fourth connecting member 9b, and penetrates through the groove along the using direction of the fourth connecting member 9 b.

The gasket 9a is also a rectangular plate structure, the length dimension is greater than the length of the fourth connecting piece 9b, the width is the same as the width of the fourth connecting piece 9b, and one end of the plate surface side of the gasket 9a is provided with a hole, in this embodiment, the number of the holes is one, and in some embodiments, the number of the holes can also be multiple, and the number can be specifically determined according to the connecting pieces to be connected. One side of the spacer 9a is connected to one side of the fourth connection member 9b, and may be connected by welding. In this embodiment, in consideration of the welding reliability, the gasket 9a and the fourth connecting member 9b are made of carbon steel and are subjected to rust prevention treatment. It should be noted that, during welding, the side of the fourth connecting member 9b provided with the second wire connection port 8d should be attached to the non-perforated end of the backing plate 9a for welding.

In use, the spacer 9a is fixed to the metal bar 10 by the fastening bolt 6c, and then the flat-iron type ground wire 5b is inserted into the second wire connection opening 8d of the fourth connector 9b and fastened by the fastening bolt 6c. At this time, the gasket 9a is the first terminal, and the second terminal opening 8d of the fourth connecting member 9b is the second terminal. The number of the fastening bolts 6c of the second terminal is two, so that the flat iron type ground wire 5b is reliably fixed.

In the four connection assemblies, after the connection line and the ground line are fixed by the fastening bolt 6c, the fastening bolt 6c is fastened, and the flame spray gun 3 and the flux-cored wire 4 are used for fastening the fastening bolt 6c for the second time to prevent the fastening bolt 6c from loosening under the influence of long-term outdoor severe environments such as rain, snow and strong wind.

Through above-mentioned example, this application provides a transmission of electricity overhead line shaft tower electric wire connecting device who need not the welded, including connecting wire, earth connection and coupling assembling. The connecting assembly comprises a first terminal and a second terminal which are detachably connected with the connecting wire and the grounding wire respectively. According to the different in service behavior of outdoor electric wire tower earth connection, the coupling assembling that this application provided includes that square meets circle coupling assembling 6, circle and meets circle coupling assembling 7, circle and connect square coupling assembling 8 and square and connect square coupling assembling 9, is applicable to the condition of cross arm and circular earth connection, circular connecting wire and band iron type earth connection and iron tie and band iron type earth connection respectively. Through the coupling assembling of above-mentioned four kinds of structures, can be quick be connected cracked earthing device and shaft tower and fasten, save welding operation's loaded down with trivial details procedure, reduce working strength, improve work efficiency. Moreover, the connecting assembly is simple in structure, light in whole and convenient to carry and use.

The detailed description provided above is only a few examples under the general concept of the present application, and does not constitute a limitation to the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.

Claims (10)

1. A welding-free power transmission overhead line tower power connection wire connecting device is characterized by comprising a connecting wire, a grounding wire and a connecting assembly, wherein the connecting assembly comprises a first wiring end and a second wiring end, and the first wiring end is provided with a first profiling interface matched with the cross section of the connecting wire in shape; the second wiring end is provided with a second profiling interface matched with the cross section of the grounding wire in shape; the first wiring terminal is detachably connected with the connecting wire through the first profiling interface; the second wiring terminal is detachably connected with the grounding wire through the second profiling interface.

2. The welding-free transmission overhead line tower electric wire connection device according to claim 1, wherein the connection assembly comprises a clamping groove (6 a), a fastening bolt (6 c) and a first connection piece (6 b); one side of the clamping groove (6 a) is connected with the first connecting piece (6 b), and the other side of the clamping groove (6 a) is provided with a hole for connecting a fastening bolt (6 c) to form a first wiring end; the side wall of the first connecting piece (6 b) is provided with a hole for connecting a fastening bolt (6 c) to form a second terminal; the end part of one side, far away from the clamping groove (6 a), of the first connecting piece (6 b) is provided with a first wiring port (6 d).

3. The welding-free connecting device for the transmission overhead line tower electric wires, as claimed in claim 2, wherein the clamping grooves (6 a) are of a U-shaped structure.

4. A non-welding transmission overhead line tower electric wire connection device according to claim 1, characterized in that the connection assembly further comprises a second connection member (7 a) and a fastening bolt (6 c); holes are formed in two ends of the side wall of the second connecting piece (7 a) and used for connecting fastening bolts (6 c) respectively to form a first terminal and a second terminal; and two ends of the second connecting piece (7 a) are respectively provided with a first wiring port (6 d).

5. The non-welding transmission overhead line tower electric wire connection device according to the claims 2 and 4, characterized in that the first wire connection port (6 d) is of a circular structure.

6. The non-welding transmission overhead line tower electric wire connection device according to the claims 2 and 4, characterized in that the first wire connection port (6 d) is a through hole.

7. A non-welding transmission overhead line tower electric wire connection device according to claim 1, characterized in that the connection assembly further comprises a first connection member (6 b), a fastening bolt (6 c) and a third connection member (8 b); one end of the third connecting piece (8 b) is connected with one end of the first connecting piece (6 b); a second wiring port (8 d) is formed in the other end of the third connecting piece (8 b), and a first wiring port (6 d) is formed in the end portion, far away from the third connecting piece (8 b), of the first connecting piece (6 b); the side wall of the first connecting piece (6 b) is provided with a hole for connecting a fastening bolt (6 c) to form a first terminal; one side of the third connecting piece (8 b) is provided with a hole for connecting a fastening bolt (6 c) to form a second terminal.

8. A non-welding transmission overhead line tower electric wire connection device according to claim 1, characterized in that the connection assembly further comprises a fourth connection member (9 b), a fastening bolt (6 c) and a gasket (9 a); one side of the gasket (9 a) is connected with one side of the fourth connecting piece (9 b); the other side of the fourth connecting piece (9 b) is provided with a hole for connecting a fastening bolt (6 c) to form a second terminal; one end of the gasket (9 a) far away from the fourth connecting piece (9 b) is provided with a hole for connecting a fastening bolt (6 c) to form a first terminal; and a second wiring port (8 d) is formed in one side of the fourth connecting piece (9 b) connected with the gasket (9 a).

9. A non-welding transmission tower electric wire connection device according to claims 7 and 8, characterized in that the second connection port (8 d) is of a flat structure.

10. The non-welding transmission overhead line tower electric wire connection device according to claims 7 and 8, characterized in that the second wire connection port (8 d) is a through hole.

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