CN210007065U - Wiring device and power transmission equipment - Google Patents

Abstract

The utility model relates to a transmission equipment technical field discloses termination and transmission equipment, be connected with bushing terminal through staple bolt, the second staple bolt is connected with the generating line, and through current-carrying pin connection staple bolt and second staple bolt, thereby realize bushing terminal and generating line electrical connection, avoided current termination to adopt plug-in type to accomplish bushing terminal and generating line electrical contact and lead to the contact to contact failure and cause the local overheated problem of contact, termination's security has been improved effectively.

Description

Wiring device and power transmission equipment

Technical Field

The utility model relates to a transmission equipment technical field especially relates to termination and transmission equipment.

Background

GIS (Gas-insulated metal-enclosed switchgear) and GIL (Gas-insulated metal-enclosed transmission line) are common power transmission equipment in a power system, at present, the connection between the GIS/GIL and other equipment (overhead lines, transformers and the like) is realized through a sleeve pipe, the end of the sleeve pipe is connected with a GIS/GIL internal bus, the other end of the sleeve pipe is connected with the other equipment, and the sleeve pipe is in plug-in type contact with the GIS/GIL internal bus through a wiring device.

As shown in fig. 1, in the conventional wiring device, , a bushing terminal is inserted into the wiring device from top to bottom so that the bushing terminal is electrically contacted with a bus bar through a contact in the wiring device, thereby conducting current, however, under a high voltage condition, the size of a power transmission device inevitably needs to be increased, contact failure is easily caused due to poor contact centering caused by production process and precision limitation, particularly for a direct current device, vibration is generated due to high harmonic content, the risk of contact failure is increased, and local overheating is easily caused due to poor contact of the contact, thereby bringing about a hidden danger to the safe operation of a GIS/GIL device and a transformer substation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an termination and transmission of electricity equipment, it can avoid current termination to adopt the plug-in type to accomplish the electrical contact and lead to the contact failure to cause the local overheated problem of contact.

In order to solve the technical problem, the utility model provides kinds of termination, including staple bolt, second staple bolt and current-carrying lead wire, the staple bolt is used for centre gripping sleeve pipe binding post, and the staple bolt with sleeve pipe binding post electrical connection;

the th end of the current-carrying lead is connected to the th hoop, the th end of the current-carrying lead is electrically connected with the th hoop, the second end of the current-carrying lead is connected to the second hoop, and the second end of the current-carrying lead is electrically connected with the second hoop.

Preferably, the hoop includes a clamp part and a second clamp part, the end of the clamp part is connected with the end of the second clamp part, the other end of the clamp part is connected with the other end of the second clamp part, and a clamping space for clamping the sleeve terminal is formed between the clamp part and the second clamp part;

the second hoop comprises a third clamping part and a fourth clamping part, wherein an end of the third clamping part is connected with a end of the fourth clamping part, the other end of the third clamping part is connected with the other end of the fourth clamping part, and a clamping space for clamping the bus bar is formed between the third clamping part and the fourth clamping part.

Preferably, the wiring device further comprises an th clamping piece and a second clamping piece, the th clamping piece is connected to the th hoop, a th open slot is formed in the th hoop, a second open slot is formed in the th clamping piece, the th open slot is opposite to and communicated with the second open slot, and the current-carrying lead is clamped in the th open slot and the second open slot;

the second clamping piece is connected to the second hoop, a third opening groove is formed in the second hoop, a fourth opening groove is formed in the second clamping piece, the third opening groove and the fourth opening groove are oppositely arranged and communicated, and the current-carrying lead is clamped in the third opening groove and the fourth opening groove;

the th opening groove, the second opening groove, the third opening groove and the fourth opening groove correspond to the current-carrying lead wire .

Preferably, the junction device further comprises an th link structure, wherein the end of the th link structure is used for connecting to the bushing terminal, and the other end of the th link structure is used for connecting to the bus.

Preferably, the link structure includes a link and a second link, the end of the link is adapted to be connected to the sleeve terminal, the other end of the link is rotatably connected to the end of the second link, and the other end of the second link is adapted to be connected to the busbar.

Preferably, the link structure further comprises a th mounting part and a second mounting part, wherein the th mounting part is used for being connected to the bushing terminal, the end of the th connecting piece is rotatably connected to the th mounting part, the second mounting part is used for being connected to the bus, and the end of the second connecting piece is rotatably connected to the second mounting part.

Preferably, the wiring device further comprises a second link structure, the bushing terminal is arranged above the bus bar, an end of the second link structure is used for being connected to the bottom of the bushing terminal, and the other end of the second link structure is connected to the top of the second hoop.

As a preferred scheme, the number of the current-carrying lead wires is multiple, the current-carrying lead wires are arranged in pairs in an opposite manner, and the second ends of the two oppositely-arranged current-carrying lead wires are respectively connected to the two opposite side surfaces of the second hoop.

Preferably, the wiring device further comprises a shielding case, the th hoop, the second hoop and the current-carrying lead are accommodated in the shielding case, the end of the shielding case is connected to the th hoop, and the other end of the shielding case is connected to the second hoop;

the end of the shield cover is provided with a through hole for the bushing terminal to pass through, the other end of the shield cover is provided with a second through hole for the bus bar to pass through, and the edge of the through hole and the edge of the second through hole are both in a curled edge structure.

In order to solve the same technical problem, the utility model discloses still provide kinds of transmission equipment, including generating line, sleeve pipe binding post, casing and termination, generating line, sleeve pipe binding post with termination all locates in the casing, staple bolt centre gripping sleeve pipe binding post, the second staple bolt centre gripping the generating line.

The embodiment of the utility model provides kind of termination and transmission equipment is connected with sleeve connecting terminal through staple bolt, the second staple bolt is connected with the generating line, and through current-carrying pin connection staple bolt and second staple bolt, thereby realize sleeve connecting terminal and generating line electrical connection, avoided current termination to adopt plug-in type to accomplish sleeve connecting terminal and generating line electrical contact to lead to the contact to lead to contact failure to cause the local overheated problem of contact, termination's security has been improved effectively.

Drawings

FIG. 1 is a schematic view of a prior art junction device assembled with a bushing terminal and a basin insulator;

fig. 2 is a schematic structural view of a power transmitting apparatus according to embodiment of the present invention;

fig. 3 is a schematic structural diagram of a wiring device including a shield according to embodiment of the present invention;

fig. 4 is a front view of a wiring device including a shield in an embodiment of the invention;

fig. 5 is a schematic structural diagram of a wiring device according to embodiment of the present invention;

fig. 6 is a schematic structural diagram of the hoop of the embodiment of the present invention;

fig. 7 is a schematic structural diagram of another embodiment of the hoop of example of the present invention;

fig. 8 is a schematic diagram of a crimping structure and a fillet transition structure of a shielding cage according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a power transmission apparatus according to a second embodiment of the present invention;

fig. 10 is a schematic structural view of a wiring device including a shield case according to a second embodiment of the present invention;

fig. 11 is a schematic structural view of a wiring device according to a second embodiment of the present invention;

fig. 12 is a front view of a wiring device according to a second embodiment of the present invention;

fig. 13 is a left side view of the wiring device according to the second embodiment of the present invention;

wherein, fig. 1: 10. a sleeve; 20. a bushing terminal; 30. a bus bar; 40. an insert; 50. a housing; 60. a wiring device; 70. a contact; 80. a basin-type insulator;

2-13, 100, a sleeve terminal, 200, a bus, 300, a shell, 400, a shielding case, 401, th through holes, 402, second through holes, 403, a fillet transition structure, 500, a wiring device, 1, hoops, 11, clamping parts, 12, second clamping parts, 13, open slots, 2, , 21, second open slots, 3, second hoops, 4 current-carrying leads, 5, second connecting rod structures, 6, connecting rod structures, 61, connecting pieces, 62, installing parts, 621, installing parts, 622, 641, 623, rotating shaft, 63, second connecting pieces, 64, second installing parts, 642, fourth installing parts, 643 and second rotating shaft.

Detailed Description

The following detailed description is made in conjunction with the accompanying drawings and examples, which are provided to illustrate the present invention and are not intended to limit the scope of the invention.

The utility model discloses an in the explanation, the description of upper and lower, left and right, preceding and back equal position and top and bottom is all injectd to fig. 4, and when termination's placing mode changed, its corresponding position and top and bottom description will also change according to placing mode's change, the utility model discloses do not describe herein repeatedly.

Example

Referring to fig. 2 to 5, types of power transmission equipment according to the preferred embodiment of the present invention includes a bus bar 200, a sleeve terminal 100, a housing 300 and a wiring device 500, wherein the bus bar 200, the sleeve terminal 100 and the wiring device 500 are all disposed in the housing 300, the wiring device 500 includes a hoop 1, a second hoop 3 and a current-carrying lead 4, the hoop 1 clamps the sleeve terminal 100, and the hoop 1 is electrically connected to the sleeve terminal 100, the second hoop 3 clamps the bus bar 200, and the second hoop 3 is electrically connected to the bus bar 200;

the th end of the current-carrying lead 4 is connected to the hoop 1, the th end of the current-carrying lead 4 is electrically connected with the hoop 1, the second end of the current-carrying lead 4 is connected to the second hoop 3, and the second end of the current-carrying lead 4 is electrically connected with the second hoop 3.

The embodiment of the utility model provides an in, be connected with sleeve wire connecting terminal 100 through staple bolt 1, second staple bolt 3 is connected with generating line 200, and through current-carrying lead wire 4 connection staple bolt 1 and second staple bolt 3, thereby realize sleeve wire connecting terminal 100 and generating line 200 electric connection, avoided current termination to adopt plug-in type to accomplish sleeve wire connecting terminal and generating line electric contact and lead to the contact to lead to bad contact to cause the local overheated problem of contact, improved termination 500's security effectively.

In addition, because the existing wiring device adopts a plug-in type to complete the electrical contact between the bushing wiring terminal and the bus, the size of equipment inevitably needs to be increased under a high voltage condition, the contact alignment is poor and further the contact is poor due to the limitation of production process and precision, the through-current capacity of a single contact is fixed, the number of the contacts needs to be increased under a high current condition, the contact aging can be accelerated if the current cannot be uniformly distributed in a plurality of contacts, and the wiring device 500 provided by the embodiment realizes the electrical contact between the bushing wiring terminal 100 and the bus 200 through the current-carrying lead 4, the th hoop 1 and the second hoop 3, so that the problem that the electrical contact between the bushing wiring terminal and the bus is non-uniform in the distribution of the current in the plurality of contacts due to the plug-in.

In the embodiment of the present invention, the power transmission equipment is GIS equipment or GIL equipment, when the power transmission equipment works, the bus 200 is at a high potential, the sleeve terminal 100 is preferably a copper pipe, an aluminum pipe, a solid copper rod, an aluminum rod, or the like, the bus 200 is preferably an aluminum pipe, the th hoop 1 and the second hoop 3 are preferably made of an aluminum alloy material, the current-carrying lead 4 is preferably an aluminum stranded wire or a copper strip, the number and the sectional area of the current-carrying lead 4 can be selected according to the current-carrying capacity of the power transmission equipment, and are not limited by the contact capacity, in this embodiment, the number of the current-carrying lead 4 is preferably 4-6, and preferably, the housing 300 is made of a conductive material and is directly grounded, that is, the entire housing 300 is an equal potential, and is at a zero potential.

Referring to fig. 6 and 7, in order to simplify the structure and reduce the cost, the hoop 1 includes a clamp 11 and a second clamp 12, an end 1 of the 0 clamp 11 is connected to an end 2 of the second clamp 12, an end of the 3 clamp 11 is connected to an end of the second clamp 12, a clamping space for clamping the bushing terminal 100 is formed between the clamp 11 and the second clamp 12, the second hoop 3 includes a third clamp and a fourth clamp, an end of the third clamp is connected to an end of the fourth clamp, an end of the third clamp is connected to an end of the fourth clamp, a clamping space for clamping the bus bar 200 is formed between the third clamp and the fourth clamp, and a fastening force is applied by a fastener such as a bolt or the like so that the clamp and the second clamp 11 clamp 12 clamp the common bushing terminal 100 and the fourth clamp 100 are clamped together when the bushing terminal is mounted.

Referring to fig. 3, in order to realize the electrical connection between the current-carrying lead 4 and the and the second hoop 3, the wire connection apparatus 500 in this embodiment further includes a clamping member 2 and a second clamping member (not shown in the drawings), the 0 clamping member 2 is connected to the 2 hoop 1, the th hoop 1 is provided with a th open slot 13, the th clamping member 2 is provided with a second open slot 21, the th open slot 13 is opposite to and communicated with the second open slot 21, the end of the current-carrying lead 4 is clamped in the th open slot 13 and the second open slot 21, the second clamping member is connected to the second hoop 3, the second open slot (not shown in the drawings) is provided on the second clamping member, the fourth open slot is provided on the second clamping member, the third open slot is opposite to and communicated with the fourth open slot, the second end of the current-carrying lead 4 is clamped in the third open slot and the fourth open slot 632, and the fourth open slot 632 and the fourth clamping member may be connected to the current-carrying lead 2 through the equivalent second clamp, and the fourth open slot 632, and the fourth clamp may be connected to the current-carrying lead 2, and the corresponding fasteners, and the equivalent to the second hoop 1, and the fourth open slots.

In the embodiment of the present invention, the clamping member 2 is connected to the hoop 1 to clamp the th end of the current-carrying lead 4 to the th hoop 1, so as to achieve the electrical connection between the current-carrying lead 4 and the th hoop 1, and the second clamping member is connected to the second hoop 3 to clamp the second end of the current-carrying lead 4 to the second hoop 3, so as to achieve the electrical connection between the current-carrying lead 4 and the second hoop 3, so that the current-carrying lead 4 can be used to achieve the electrical connection between the bus 200 and the bushing terminal 100 through the 387 1 of the second hoop 3 of the current-carrying lead 4 and the 389 1 of the second hoop 3 of the current-carrying lead 4.

Referring to fig. 3 to 5, in order to provide mechanical support for the bus bar 200, the wiring device 500 in this embodiment further includes an th connecting rod structure 6, wherein an end of the th connecting rod structure 6 is used to connect to the bushing terminal 100, and another end of the th connecting rod structure 6 is used to connect to the bus bar 200, the th connecting rod structure 6 is preferably made of high-strength steel, and the thickness thereof can be set according to practical requirements, and the th connecting rod structure 6 is required to be able to firmly fix the bus bar 200 to the bushing terminal 100. the bus bar 200 is connected to the bushing terminal 100 by the connecting rod structure, so as to provide mechanical support for the bus bar 200, so that the basin insulator or the post insulator in the prior art can be eliminated, thereby avoiding the basin insulator or the post insulator from being used to fix the bus bar and the wiring device in the prior art from causing flashover along the surface of the basin insulator or the post insulator, which effectively improves the safety of the wiring device 500, and further, since mechanical force is transmitted to the bushing terminal 100 by the connecting rod structure, the mechanical load is not subjected to mechanical load (mechanical load), thereby reducing the risk of current-carrying, and the mechanical load, etc. caused by the mechanical load is reduced.

Referring to fig. 3 to 5, in order to facilitate adjustment of the fixing position of the bus bar 200, the -th link structure 6 in this embodiment includes a -th link 61 and a second link 63, wherein an end 1 of the 0-th link 61 is used to connect to the bushing terminal 100, an end of the 2-th link 61 is rotatably connected to an end of the second link 63, and an end of the second link 63 is used to connect to the bus bar 200. the bushing terminal 100 may be vertically arranged as shown in fig. 2 and 4 or may be obliquely arranged, and the bus bar 200 is generally horizontally arranged, and the link 61 is rotatably connected to the second link 63 through the -th link 61, so as to facilitate adjustment of an included angle θ between the -th link 61 and the second link 63, and in a specific embodiment, an included angle θ between the -th link 61 and the second link 63 may be adjusted according to actual use requirements, and the fixing position of the bus bar 200 may be conveniently adjusted by adjusting the included angle θ between the second link -second link 61 and the second link 63.

Referring to fig. 3 to 5, in order to facilitate flexible adjustment of the fixing position of the bus bar 200, the -th link structure 6 in this embodiment further includes a mounting member 62 and a second mounting member 64, the -th mounting member 62 is configured to be connected to the bushing terminal 100, the end of the -th link member 61 is rotatably connected to the -th mounting member 62, the second mounting member 64 is configured to be connected to the bus bar 200, and the end of the second link member 63 is rotatably connected to the second mounting member 64, the -th link member 61 is rotatably connected to the -th mounting member 62, the second link member 63 is rotatably connected to the second mounting member 64, and the -th link member 61 is rotatably connected to the second link member 63, so as to facilitate flexible adjustment of the fixing position of the bus bar 200.

Referring to fig. 3 to 5, in order to firmly fix the bus bar 200, in this embodiment, the mounting part 62 of the third embodiment includes a fourth mounting part 621, a second mounting part 622 and a fourth rotating shaft 623, the third 631 mounting part 621 and the second mounting part 622 are used for being fixedly connected to the bushing terminal 100, the end of the rotating shaft 623 is connected to the mounting part 621, the end of the second 5 rotating shaft 623 is connected to the second mounting part 622, the connecting member 61 is rotatably connected to the rotating shaft 623, the second mounting part 64 includes a third mounting part 641, a fourth mounting part 642 and a second rotating shaft 643, the third mounting part 641 and the fourth mounting part 642 are used for being fixedly connected to the bus bar 200, the end of the second rotating shaft 643 is connected to the third mounting part 641, the other 36 end of the second rotating shaft 643 is connected to the fourth mounting part 642, the second mounting part 643 is rotatably connected to the second mounting part 643, the second mounting part 643 is fixedly connected to the bushing terminal 24, the second mounting part is rotatably connected to the bushing terminal 24, the second mounting part 642 is connected to the bushing terminal 24, the bushing terminal 24 is rotatably connected to the bushing terminal 24, and the second mounting part 642 is connected to the bushing terminal 24, and the bushing terminal 24 is rotatably connected to the bushing terminal 24, the second mounting part is connected to the bushing terminal 24.

Referring to fig. 3, 4 and 8, in order to avoid the electric discharge caused by the excessively high surface field strength of the current-carrying lead wire 4 and the supporting elements such as the hoop 1, the second hoop 3 and the link structure 6, the wiring device 500 in this embodiment further includes a shielding cover 400, the hoop 1, the second hoop 3, the current-carrying lead wire 4 and the link structure are all accommodated in the shielding cover 400, the end of the shielding cover 400 is connected to the hoop 1, the other end of the shielding cover 400 is connected to the second hoop 3, the end of the shielding cover 400 is provided with a through hole 401 for the bushing terminal 100 to pass through, the other end of the shielding cover 400 is provided with a second through hole 402 for the bus bar 200 to pass through, the edges of the through hole 401 and the second through hole 402 are all of curled structures, and the shielding cover 400 can be fixedly connected to the second hoop 829 1 and the second hoop 3 by means of fastening a clamping groove or the like.

In this embodiment, the shielding can 400 may be independently designed and rolled, preferably, the shielding can 400 is formed by rolling an aluminum alloy plate, the shielding can 400 is manufactured by dividing the plane determined by the axis of the bushing terminal 100 and the axis of the bus 200 into two halves, the two halves of the shielding can 400 are combined into whole bodies when being installed, and by using the characteristic that the internal field strength of an equipotential conductor is zero, when the power transmission equipment operates, the electric field of the wiring device 500 may be shielded by using the internal field strength of the shielding can 400 as zero, specifically, the shielding can 400 and the structures such as the bus 200, the second hoop 1, the second hoop 3, and the bushing terminal 100 are at the same potential , and the structures such as the second hoop 1, the second hoop 3, the current-carrying lead 4, and the connecting rod structure inside the shielding can serve as electric field shielding, so that the high-voltage conductor is prevented from discharging caused by electric field distortion, and the edges of the second hoop 402 can be both structures, and the current-carrying lead 4 and the connecting rod structure can increase the surface radius of the through hole 401, thereby reducing the electric field strength and reducing the electric field strength by using the existing technology, and the technology, which are preferably, are adopted to determine the electric field strength difference in the electric field by calculating the design and the field crimping technology, and the design.

Referring to fig. 3, 4 and 8, in order to further reduce the surface electric field intensity of the shield 400, the shield 400 is preferably an L-shaped hollow structure, the bent portion of the shield 400 has a fillet transition structure, and further, both ends of the shield 400 may be fillet-transitioned, by performing a surface fillet transition at the bent portion of the shield 400 and both ends of the shield 400, the radius of curvature may be increased, so as to further reduce the surface electric field intensity of the shield 400, so as to satisfy the electric field shielding function, wherein the radius of the fillet may be determined in a manner in the prior art, for example, by the electric field calculation result in the prior art.

Example two

Referring to fig. 9 to 13, the wiring device 500 of the present embodiment is different from the wiring device in that the wiring device 500 of the present embodiment further includes a second link structure 5, the bushing terminal 100 is disposed above the bus bar 200, the end of the second link structure 5 is used for connecting to the bottom of the bushing terminal 100, and the other end of the second link structure 5 is connected to the top of the second anchor ear 3.

The second connecting rod structure 5 is preferably made of high-strength steel, the thickness of the second connecting rod structure 5 can be set according to actual use requirements, and the second connecting rod structure 5 needs to be capable of firmly fixing the bus bar 200 on the sleeve terminal 100.

As shown in fig. 11 to 13, in order to ensure that the bus bar 200 is fixed in the horizontal direction, the number of the second link structures 5 in the present embodiment is preferably 2, and 2 second link structures 5 are disposed opposite to each other.

With reference to fig. 11 to 13, in order to simplify the design, the layout of the current-carrying leads 4 is more reasonable, the number of the current-carrying leads 4 is multiple, the current-carrying leads 4 are arranged in pairs, the second ends of the two current-carrying leads 4 arranged in pairs are respectively connected to the two opposite side surfaces of the second hoop 3, and the second ends of the current-carrying leads 4 are connected to the upper half part of the second hoop 3.

Referring to fig. 10, in order to avoid discharge caused by too high field intensity on the surface of the current-carrying lead 4 and the supporting elements such as the hoop 1, the second hoop 3, and the second link structure 5, the wiring device 500 in this embodiment further includes a shielding cover 400, the hoop 1, the second hoop 3, the current-carrying lead 4, and the link structure are all accommodated in the shielding cover 400, an end of the shielding cover 400 is connected to the hoop 1, another end of the shielding cover 400 is connected to the second hoop 3, a through hole 401 for the bushing terminal 100 to pass through is disposed on a top of the shielding cover 400, a second through hole 402 for the bus bar 200 to pass through is disposed on a side of the shielding cover 400, an edge of the through hole 401 and an edge of the second through hole 402 are both of a curled structure, and the shielding cover 400 may be fixedly connected to the hoop 1 and the second hoop 3 in a manner of a card slot or the like.

In this embodiment, the shielding can 400 may be independently designed and rolled, preferably, the shielding can 400 is formed by rolling an aluminum alloy plate, the shielding can 400 is manufactured by dividing the plane determined by the axis of the bushing terminal 100 and the axis of the bus 200 into two halves, the two halves of the shielding can 400 are combined into whole bodies when being installed, and by using the characteristic that the internal field strength of an equipotential conductor is zero, when the power transmission equipment operates, the electric field of the wiring device 500 may be shielded by using the internal field strength of the shielding can 400 as zero, specifically, the shielding can 400 and the structures such as the bus 200, the second hoop 1, the second hoop 3, and the bushing terminal 100 are at the same potential , and the structures such as the second hoop 1, the second hoop 3, the current-carrying lead 4, and the connecting rod structure inside the shielding can serve as electric field shielding, so that the high-voltage conductor is prevented from discharging caused by electric field distortion, and the edges of the second hoop 402 can be both structures, and the current-carrying lead 4 and the connecting rod structure can increase the surface radius of the through hole 401, thereby reducing the electric field strength and reducing the electric field strength by using the existing technology, and the technology, which are preferably, are adopted to determine the electric field strength difference in the electric field by calculating the design and the field crimping technology, and the design.

Referring to fig. 10, in order to further reduce the surface electric field intensity of the shielding case 400, the shielding case 400 is preferably a hollow cylindrical structure, a connection between the top of the shielding case 400 and the side of the shielding case 400 is provided with a fillet transition structure 403, and a connection between the bottom of the shielding case 400 and the side of the shielding case 400 is provided with the fillet transition structure 403. by performing surface fillet transition processing on the shielding case 400, the radius of curvature can be increased, so that further reduces the surface electric field intensity of the shielding case 400 to satisfy the electric field shielding function.

To sum up, the embodiment of the utility model provides an kind of termination 500 and transmission equipment, be connected with sleeve wire connecting terminal 100 through staple bolt 1, second staple bolt 3 is connected with generating line 200, and through current-carrying lead wire 4 connection staple bolt 1 and second staple bolt 3, thereby realize sleeve wire connecting terminal 100 and generating line 200 electrical connection, avoided current termination to adopt the plug-in type to accomplish sleeve wire connecting terminal and bus electrical contact and lead to the contact to contact the local overheated problem of leading to the fact, termination 500's security has been improved effectively.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (5)

1. The wiring device is characterized by comprising a th hoop, a second hoop and a current-carrying lead, wherein the th hoop is used for clamping a sleeve wiring terminal, and the th hoop is electrically connected with the sleeve wiring terminal;

   the th end of the current-carrying lead is connected to the th hoop, the th end of the current-carrying lead is electrically connected with the th hoop, the second end of the current-carrying lead is connected to the second hoop, and the second end of the current-carrying lead is electrically connected with the second hoop.
2. 2. The wiring device of claim 1, wherein the hoop includes a clamp portion and a second clamp portion, an end of the clamp portion is connected to an end of the second clamp portion, an end of the clamp portion is connected to an end of the second clamp portion, and a clamping space is formed between the clamp portion and the second clamp portion for clamping the sleeve terminal;

   the second hoop comprises a third clamping part and a fourth clamping part, wherein an end of the third clamping part is connected with a end of the fourth clamping part, the other end of the third clamping part is connected with the other end of the fourth clamping part, and a clamping space for clamping the bus bar is formed between the third clamping part and the fourth clamping part.
3. 3. The wiring lug of claim 2, further comprising th and second clamp members, wherein the th clamp member is attached to the th ear, wherein the th ear has a th open slot, wherein the th clamp member has a second open slot, wherein the th open slot is opposite to and in communication with the second open slot, and wherein the current carrying lead is clamped in the th and second open slots;

   the second clamping piece is connected to the second hoop, a third opening groove is formed in the second hoop, a fourth opening groove is formed in the second clamping piece, the third opening groove and the fourth opening groove are oppositely arranged and communicated, and the current-carrying lead is clamped in the third opening groove and the fourth opening groove;

   the th opening groove, the second opening groove, the third opening groove and the fourth opening groove correspond to the current-carrying lead wire .
4. 4. The wiring lug of any of claims 1-3 and , further comprising a shield, wherein the first hoop , the second hoop and the current carrying leads are received in the shield, wherein the shield has an end attached to the third hoop , and wherein the shield has an end attached to the second hoop;

   the end of the shield cover is provided with a through hole for the bushing terminal to pass through, the other end of the shield cover is provided with a second through hole for the bus bar to pass through, and the edge of the through hole and the edge of the second through hole are both in a curled edge structure.
5. An electrical transmission installation of , comprising a bus bar, a sleeve terminal, a housing, and the wiring device of any of claims 1-4 through , wherein the bus bar, the sleeve terminal, and the wiring device are disposed within the housing, wherein the ear holds the sleeve terminal, and wherein the second ear holds the bus bar.

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