CN211295402U - Detachable composite electric connection wire clamp - Google Patents
Detachable composite electric connection wire clamp Download PDFInfo
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- CN211295402U CN211295402U CN202020058885.1U CN202020058885U CN211295402U CN 211295402 U CN211295402 U CN 211295402U CN 202020058885 U CN202020058885 U CN 202020058885U CN 211295402 U CN211295402 U CN 211295402U
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- terminal
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- wire clamp
- fixed terminal
- electrical connection
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Abstract
The utility model relates to a detachable compound electric connecting wire clamp, belong to electric connecting wire clamp technical field, including the braided wire, the braided wire free end is equipped with fixed terminal of fixed connection, is equipped with the connecting terminal that can dismantle the connection on the fixed terminal, and this electric connecting wire clamp simple structure, easy dismantlement, can dismantle fixed terminal and connecting terminal through the bolt and be connected, realize detachability, solved the old-fashioned electric connecting wire clamp welding can not dismantle on the busbar during operation maintenance, need the drawback of whole change maintenance, the effectual cost that reduces has improved the efficiency of construction, eliminated the hidden danger in the operation maintenance process, the fail safe nature is high; through electroplate a layer of noble metal material at copper, aluminium bonding interface low temperature, the effectual electrochemical corrosion difficult problem of solving different material electrical connection of copper, aluminium has stopped because copper aluminium bonding layer fracture, causes part fracture, disconnection phenomenon, and is with low costs, and the reliability is high, and it is safe in utilization convenient.
Description
Technical Field
The utility model relates to a detachable compound electrical connection fastener especially relates to stride and sit formula light rail busbar expansion joint with detachable copper aluminium compound electrical connection fastener, and it belongs to electrical connection fastener technical field.
Background
In urban rail transit, a straddle type light rail is one of the standards. The light rail is mainly used for conducting and supplying power and comprises aluminum alloy bus bars and copper alloy contact wires, wherein the aluminum alloy bus bars are arranged at intervals, a group of bus bar expansion joints need to be arranged, and copper-aluminum composite electric connecting wire clamps need to be used for conducting electricity among the expansion joints. The aluminum alloy terminal part in the wire clamp is welded with the bus bar, and the other end of the wire clamp is connected with a copper wiring terminal and a copper braided wire.
The compound fastener of copper aluminium of old-fashioned adopts laggard friction welding technique, and the defect is hardly stopped at copper aluminium composite interface, is difficult for discovering the defect position in the use, along with the electrochemical corrosion of the different materials of copper aluminium, very easy at the faying face fracture, the disconnection of copper, the different materials of aluminium, lead to the outage, influence the locomotive normal operating, the operation is overhauld the degree of difficulty and is big, is difficult for seeking and discovering the drawback in the use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of existence among the above-mentioned prior art, provide detachable compound electric connection fastener.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a detachable compound electric connection fastener, includes the braided wire, and the braided wire free end is equipped with fixed connection's fixed terminal, is equipped with the connecting terminal that can dismantle the connection on the fixed terminal.
Further, the connection terminal is connected with the fixed terminal through a bolt.
Further, the bolt is a stainless steel bolt.
Further, the connecting terminal is an aluminum alloy terminal.
Further, the fixed terminal is a copper terminal.
Furthermore, a connecting interface is arranged at the connecting position of the aluminum alloy terminal and the copper terminal, and a noble metal alloy layer is plated on the connecting interface.
Further, the braided wire is a tin-plated copper braided wire.
Compared with the prior art, the beneficial effects of the utility model are that: the electric connecting wire clamp is simple in structure and easy to disassemble, the fixed terminal and the connecting terminal are detachably connected through the bolt, the detachability is realized, the defects that the traditional old electric connecting wire clamp cannot be disassembled when being welded on a bus bar and needs to be integrally replaced and maintained during operation and maintenance are overcome, only the copper terminal and the copper braided wire part need to be replaced, the cost is extremely low, the construction efficiency is greatly improved, the hidden danger in the operation and maintenance process is eliminated, and the safety and reliability are high; through electroplate the stable noble metal material of one deck at copper, aluminium bonding interface low temperature, the effectual electrochemical corrosion difficult problem of having solved different material electrical connection of copper, aluminium has very high reliability, has stopped because copper aluminium bonding layer fracture, has caused part fracture, disconnection phenomenon, and is with low costs, and the reliability is high, and it is convenient to use safely.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the structure of the present invention.
Fig. 3 is a top view of the present invention.
In the figure, 1, connecting terminal; 2. a bolt; 3. a fixed terminal; 4. weaving wires; 5. and (6) connecting the interfaces.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The utility model provides a detachable compound electric connection fastener, includes braided wire 4, and 4 free ends of braided wire are equipped with fixed connection's fixed terminal 3, are equipped with on the fixed terminal 3 and can dismantle connecting terminal 1 of connection.
The connection terminal 1 is connected to a fixed terminal 3 by a bolt 2.
The bolt 2 is a stainless steel bolt.
The connecting terminal 1 is an aluminum alloy terminal.
The fixed terminal 3 is a copper terminal.
And a connecting interface 5 is arranged at the connecting part of the aluminum alloy terminal and the copper terminal, and a noble metal alloy layer is plated on the connecting interface 5.
The braided wire 4 is a tin-plated copper braided wire.
The electric connecting wire clamp is simple in structure and easy to disassemble, the fixed terminal 3 and the connecting terminal 1 are detachably connected through the bolt 2, detachability is achieved, the defects that the old electric connecting wire clamp cannot be disassembled when being welded on a bus bar in the operation and maintenance period, and a copper braided wire can only be replaced and maintained together with an expansion joint of the bus bar and the electric connecting wire clamp after ageing and strand breaking are overcome, only the copper terminal and the copper braided wire part need to be replaced, cost is extremely low, construction efficiency is greatly improved, hidden dangers in the operation and maintenance process are eliminated, and safety and reliability are high; through electroplate the stable noble metal material of one deck at copper, aluminium bonding interface low temperature, the effectual electrochemical corrosion difficult problem of having solved different material electrical connection of copper, aluminium has very high reliability, has stopped because copper aluminium bonding layer fracture, has caused part fracture, disconnection phenomenon, and is with low costs, and the reliability is high, and it is convenient to use safely.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a detachable compound electric connection fastener, includes braided wire, its characterized in that: the free end of the braided wire (4) is provided with a fixed terminal which is fixedly connected, and the fixed terminal is provided with a connecting terminal which can be detachably connected.
2. The detachable composite electrical connection clip of claim 1, wherein: the connecting terminal (1) is connected with the fixed terminal (3) through a bolt (2).
3. The detachable composite electrical connection clip of claim 2, wherein: the bolt (2) is a stainless steel bolt.
4. The detachable composite electrical connection clip of claim 1 or 2, wherein: the connecting terminal (1) is an aluminum alloy terminal.
5. The detachable composite electrical connection clip of claim 4, wherein: the fixed terminal (3) is a copper terminal.
6. The removable composite electrical connection clip of claim 5, wherein: and a connecting interface (5) is arranged at the connecting part of the aluminum alloy terminal and the copper terminal, and a noble metal alloy layer is plated on the connecting interface (5).
7. The detachable composite electrical connection clip of claim 1 or 2, wherein: the braided wire (4) is a tin-plated copper braided wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020058885.1U CN211295402U (en) | 2020-01-13 | 2020-01-13 | Detachable composite electric connection wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020058885.1U CN211295402U (en) | 2020-01-13 | 2020-01-13 | Detachable composite electric connection wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211295402U true CN211295402U (en) | 2020-08-18 |
Family
ID=72014278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020058885.1U Active CN211295402U (en) | 2020-01-13 | 2020-01-13 | Detachable composite electric connection wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211295402U (en) |
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2020
- 2020-01-13 CN CN202020058885.1U patent/CN211295402U/en active Active
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