CN210006976U

CN210006976U - connection device with connecting rod structure and power transmission equipment

Info

Publication number: CN210006976U
Application number: CN201920691206.1U
Authority: CN
Inventors: 黄克捷; 程建伟; 王帅兵; 张巍
Original assignee: Research Institute of Southern Power Grid Co Ltd
Current assignee: CSG Electric Power Research Institute; Research Institute of Southern Power Grid Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-31
Anticipated expiration: 2029-05-14

Abstract

The utility model relates to a transmission equipment technical field discloses termination and transmission equipment with connecting rod structure, be connected generating line and bushing terminal through connecting rod structure, thereby provide mechanical support for the generating line, make the generating line fix at the assigned position, consequently can cancel basin formula insulator or post insulator among the prior art, thereby avoided adopting basin formula insulator or post insulator fixed bus and termination to lead to basin formula insulator or post insulator along the face flashover among the prior art, termination's security has been improved effectively, in addition, because mechanical force passes through connecting rod structure transmission to bushing terminal, consequently, current-carrying lead wire does not undertake any mechanical support effect, thereby reduced current-carrying lead wire because mechanical stress arouses the displacement and lead to contact failure's risk.

Description

connection device with connecting rod structure and power transmission equipment

Technical Field

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

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, and the other end of the sleeve pipe is connected with the other equipment.

In the prior art, the bus bar is fixed by a basin insulator or a post insulator, as shown in fig. 1, the bushing 10 and the GIS/GIL internal bus bar 30 are in plug-in contact by a wiring device 60, specifically, the bus bar 30, the wiring device 60 and other components are located in a housing 50, the bus bar 30 is fixed by a basin insulator 80, in addition, the wiring device 60 can be fixed in an insert 40 of the basin insulator 80 by bolts, and the bushing terminal 20 is inserted into the wiring device 60 from top to bottom, so that the bushing terminal 20 is electrically contacted with the bus bar 30 by a contact 70 in the wiring device 60, thereby conducting current, however, the installation and fixing positions of the basin insulator 80 and the bus bar 30 have electric field distortion caused by a dielectric interface effect of three joint points of epoxy-SF 6-conductor, i.e., so-called "interface effect", and under a high operating voltage, the electric field distortion effect can be amplified and easily cause local discharge, and under a high voltage, the surface of the basin insulator 80 has large electric field component, normal component and electric field adsorption effect, thereby easily causing GIS/GIL pollution along the surface of the transformer substation.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aim at provides kind of termination and transmission of electricity equipment with connecting rod structure, it can avoid adopting the fixed generating line of basin formula insulator or post insulator and termination to lead to basin formula insulator or post insulator along the face flashover among the prior art.

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

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

the end of the link structure is adapted for connection to the bushing terminal and the other end of the link structure is adapted for connection to the bus bar.

Preferably, the link structure includes an th link member and a second link member, wherein the end of the th link member is adapted to be connected to the bushing terminal, the other end of the th link member is rotatably connected to the end of the second link member, and the other end of the second link member is adapted to be connected to the bus bar.

Preferably, the link structure further includes an th mounting element for connecting to the bushing terminal, the th mounting element being rotatably connected to the th mounting element at the end of the th connector, and a second mounting element for connecting to the busbar, the end of the second connector being rotatably connected to the second mounting element.

Preferably, the th mounting element includes a th mounting portion, a second mounting portion and a 0 th rotating shaft, the th mounting portion and the second mounting portion are used for being fixedly connected to the bushing terminal, a end of the th rotating shaft is connected to the th mounting portion, another end of the th rotating shaft is connected to the second mounting portion, and the th connecting member is rotatably connected to the th rotating shaft.

Preferably, the second mounting part comprises a third mounting part, a fourth mounting part and a second rotating shaft, the third mounting part and the fourth mounting part are fixedly connected to the bus, the end of the second rotating shaft is connected to the third mounting part, the other end of the second rotating shaft is connected to the fourth mounting part, and the second connecting piece is rotatably connected to the second rotating shaft.

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 the end of the third clamping part is connected with the 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 with the link structure further comprises an th clamping member and a second clamping member, the th clamping member is connected to the th hoop, the th hoop is provided with a th open slot, the th clamping member is provided with a second open slot, the th open slot is opposite to and communicated with the second open slot, and the th end of 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 a second end of 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 wiring device with the link structure further comprises a shielding cover, the th hoop, the second hoop, the current-carrying lead and the link structure are all accommodated in the shielding cover, the end of the shielding cover is connected to the th hoop, and the other end of the shielding cover is connected to the second hoop;

the end of the shielding cover is provided with a through hole for the bushing terminal to pass through, the other end of the shielding cover is provided with a second through hole for the bus to pass through, the edge of the through hole and the edge of the second through hole are both of crimping structures, and the crimping size is determined by an electric field calculation result.

Preferably, the shielding cover is an L-shaped hollow structure, the bending part of the shielding cover is provided with a fillet transition structure, and the size of the fillet is determined by the electric field calculation result.

In order to solve the same technical problem, the embodiment of the utility model provides an kinds of transmission equipment still is provided, including generating line, sleeve pipe binding post, casing and the termination that has link structure, generating line, sleeve pipe binding post and the termination that has link structure all locate in the casing, staple bolt centre gripping sleeve pipe binding post, second staple bolt centre gripping generating line, the end of link structure is connected on sleeve pipe binding post, the end of link structure is connected on the generating line in addition.

The embodiment of the utility model provides a kind of termination and transmission equipment with connecting rod structure, be connected bus-bar and sleeve connecting terminal through connecting rod structure, thereby provide mechanical support for the bus-bar, make the bus-bar fix in the assigned position, consequently can cancel basin formula insulator or post insulator among the prior art, thereby avoided adopting basin formula insulator or post insulator fixed bus and termination among the prior art to lead to basin formula insulator or post insulator along the face flashover, termination's security has been improved effectively, in addition, because mechanical force passes through connecting rod structure transmission to sleeve connecting terminal, consequently, the current-carrying lead wire does not undertake any mechanical support effect, thereby reduced the current-carrying lead wire and aroused the displacement and lead to contact failure's risk owing to mechanical stress, in addition, through staple bolt and sleeve connecting terminal connection, second staple bolt and bus connection, and staple bolt and second staple bolt are connected through the current-carrying lead wire, thereby realize sleeve pipe and binding terminal electrical connection, avoided current-connecting device to adopt the plug-in type to accomplish sleeve connecting terminal and bus electrical contact failure and lead to cause the local overheated problem of contact, has improved termination's security.

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 transmission apparatus in an embodiment of the present invention;

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

fig. 4 is a front view of a wiring device including a shield case according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a wiring device with a link structure according to an embodiment of the present invention;

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

fig. 7 is a schematic structural diagram of another embodiments of the th hoop in an example of the present invention;

fig. 8 is a schematic view of a crimping structure and a fillet transition structure of a shield can in an embodiment of the 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;

2-8, 100, a sleeve connecting terminal, 200, a bus, 300, a shell, 400, a shielding case, 401, through holes, 402, a second through hole, 500, a wiring device;

1. th hoop, 11 st th clamping part, 12 th clamping part, 13 th th open slot, 2 nd th clamping part, 21 th open slot, 3 th hoop, 4 th current-carrying lead wire, 6 th connecting rod structure, 61 th connecting piece, 62 th installing piece, 621 th th installing part, 622 th installing part, 623 th rotating shaft, 63 th connecting piece, 64 th installing piece, 641 th installing part, third installing part, 642 th fourth installing part, 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 figure 4, and when the placing mode that has the termination of link structure changed, the description of its corresponding position and top and bottom will also change according to the change of placing mode, the utility model discloses do not describe herein repeatedly.

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 with a link structure, 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, a current-carrying lead 4 and a link structure 6, 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, the second end of the current-carrying lead 4 is electrically connected with the second hoop 3, the end of the connecting rod structure 6 is connected to the bushing terminal 100, and the other end of the connecting rod structure 6 is connected to the bus 200.

In the embodiment of the utility model, be connected bus 200 and sleeve connecting terminal 100 through connecting rod structure 6, thereby provide mechanical support for bus 200, make bus 200 fix in the assigned position, consequently can cancel basin formula insulator or post insulator among the prior art, thereby avoided adopting basin formula insulator or post insulator fixed bus and termination to lead to basin formula insulator or post insulator along the face flashover among the prior art, termination 500's security has effectively been improved, in addition, because mechanical force passes through connecting rod structure 6 and transmits to sleeve connecting terminal 100, consequently, current-carrying lead wire 4 does not undertake any mechanical support effect, thereby reduced current-carrying lead wire 4 and aroused the displacement and lead to contact failure's risk owing to mechanical stress, in addition, hoop 1 is connected with sleeve connecting terminal 100 through , second hoop 3 is connected with bus 200, and connect hoop 1 and second hoop 3 through current-carrying lead wire 4, thereby realize sleeve connecting terminal 100 and bus 200 electrical connection, avoided current-connecting terminal to adopt the plug-in type to accomplish sleeve connecting terminal and lead to the local overheated problem of contact of bus , the safety of inlet wiring device has improved the step 39500.

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 leads 4 is preferably 4-6, the link structure 6 is preferably made of a high-strength steel material, the thickness of the link structure can be set according to the actual use requirement, the link structure 6 needs to be capable of firmly fixing the bus 200 on the sleeve terminal 100, preferably, the housing 300 is made of a conductive material and is directly grounded, that the entire housing 300 is an equal potential.

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

Referring to fig. 4 and 5, in order to facilitate flexible adjustment of the fixing position of the bus bar 200, the link structure 6 in this embodiment further includes an -th mounting element 62 and a second mounting element 64, the -th mounting element 62 is configured to be connected to the bushing terminal 100, the end of the -th connecting element 61 is rotatably connected to the -th mounting element 62, the second mounting element 64 is configured to be connected to the bus bar 200, and the end of the second connecting element 63 is rotatably connected to the second mounting element 64, the second connecting element 63 is rotatably connected to the -th mounting element 62 through the -th connecting element 61, the second connecting element 63 is rotatably connected to the second mounting element 64, and the -th connecting element 61 is rotatably connected to the second connecting element 63, so as to facilitate flexible adjustment of the fixing position of the bus bar 200.

Referring to fig. 4 and 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 is connected to the second mounting part and the bushing terminal 24.

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. 7, 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, 4 and 8, in order to avoid the electric discharge caused by the excessively high surface field intensity of the current-carrying lead 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 4 and the link structure 6 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 at a end of the shielding cover 400, a second through hole 402 for the bus bar 200 to pass through is disposed at another end of the shielding cover 400, an edge of the through hole 401 and an edge of the second through hole 402 are both in a curled structure, and the shielding cover 400 may be fixedly connected to the second hoop 1 and the second hoop 3 by a clamping groove or the like.

In this embodiment, the shielding can 400 may be independently designed and curled, 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 are combined into whole bodies when being installed, and by using the characteristic that the internal field intensity 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 intensity of the shielding can 400 as zero, specifically, the shielding can 400, the structures such as the bus 200, the second hoop 1, the second hoop 3, and the bushing terminal 100, and the like, are at the same potential , may perform an electric field shielding function on the structures such as the second hoop 1, the second hoop 3, the current-carrying lead 4, and the connecting rod structure 6, which are located inside the shielding can perform an electric field shielding function, prevent the high-voltage conductor from discharging due to electric field distortion, and the edge of the through hole 401 and the second through hole 402 may be both structures, and the current-carrying lead 4 and the structures may increase the surface radius of the crimping radius, thereby reducing the electric field intensity, and reducing the electric field intensity of the electric field by using the calculation technology, and the existing crimping technology, and the design may be favorable for reducing the electric field intensity of the electric field.

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.

To sum up, the embodiment of the present invention provides kinds of wiring device 500 and transmission equipment with a connecting rod structure, connect bus 200 with bushing terminal 100 through connecting rod structure 6, thereby providing mechanical support for bus 200, and make bus 200 fix at the designated position, therefore can cancel basin insulator or post insulator among the prior art, thereby avoiding adopting basin insulator or post insulator to fix bus and wiring device among the prior art to lead to basin insulator or post insulator along the surface flashover, effectively improving the safety of wiring device 500, in addition, because mechanical force is transmitted to bushing terminal 100 through connecting rod structure 6, therefore, current-carrying lead 4 does not bear mechanical load, thereby reducing the risk that current-carrying lead 4 causes displacement and leads to bad contact due to mechanical stress (factors such as vibration or external force), in addition, be connected with bushing terminal 100 through , second staple bolt 3 is connected with bus 200, and connect staple bolt 1 and second staple bolt 3 through current-carrying lead 4, thereby realize bushing terminal 100 and bus 200 electrical connection, avoided current-carrying wiring device to adopt local contact hoop and contact terminal to lead to improve the safety contact problem of overheating contact of bushing terminal 3583.

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

The wiring device with the connecting rod structure is characterized by comprising a th hoop, a second hoop, a current-carrying lead and the connecting rod structure, 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 current-carrying lead wire is connected with the second hoop, wherein the th end of the current-carrying lead wire is connected to the th hoop, and the th end of the current-carrying lead wire is electrically connected with the th hoop;

the end of the link structure is adapted for connection to the bushing terminal and the other end of the link structure is adapted for connection to the bus bar.
2. The wiring device as in claim 1, wherein said linkage arrangement includes a th connector and a second connector, said th connector having an end for connection to said sleeve terminal, said th connector having an end rotatably connected to an end of said second connector, said second connector having an end for connection to said bus bar.
3. The wiring device of claim 2, further comprising an th mounting element for connecting to said bushing terminal and a second mounting element, wherein said th mounting element is rotatably connected to said th mounting element at an end of said th connector, wherein said second mounting element is rotatably connected to said bus bar and wherein said th connector is rotatably connected to said second mounting element.
4. The wiring device with a link structure as claimed in claim 3, wherein said mounting member includes a mounting portion, a second mounting portion and a 0 rotation shaft, said mounting portion and said second mounting portion being adapted to be fixedly coupled to said bushing terminal, end of said rotation shaft being coupled to said mounting portion, another end of said rotation shaft being coupled to said second mounting portion, said connection member being rotatably coupled to said rotation shaft.
5. The wiring device with a linkage assembly as claimed in claim 3, wherein said second mounting member includes a third mounting portion, a fourth mounting portion and a second pivot, said third mounting portion and said fourth mounting portion being adapted to be fixedly coupled to said bus bar, said second pivot having an end coupled to said third mounting portion and another end coupled to said fourth mounting portion, said second link being rotatably coupled to said second pivot.
6. The wiring device with a link structure as claimed in any one of , wherein the hoop includes a th grip and a second grip, the end of the th grip is connected with the end of the second grip, the other end of the th grip is connected with the other end of the second grip, and a grip space for gripping the sleeve terminal is formed between the th grip and the second grip;

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.
7. The link structured wiring device of claim 6 further including a clamp member and a second clamp member, said clamp member being attached to said a third slot said clamp member having a second slot said slot being opposite to and in communication with said second slot, said end of said current carrying lead being clamped between said slot and said second 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 a second end of 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 .
8. The tie-bar arrangement of any one of claims 1-5 and , wherein the tie-bar arrangement further includes a shield, the first ear, the second ear, the current carrying leads and the tie-bar arrangement being received in the shield, the shield having a end attached to the first ear and another end attached to the second ear;

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.
9. The wiring device with a connecting rod structure according to claim 8, wherein the shielding case has an L-shaped hollow structure, and the bent portion of the shielding case has a rounded corner transition structure.
10, an electrical transmission equipment, comprising a bus bar, a bushing terminal, a housing and the connecting device with the connecting rod structure as claimed in any of claims 1-9, wherein the bus bar, the bushing terminal and the connecting device with the connecting rod structure are all arranged in the housing, the bushing terminal is held by the anchor ear, the bus bar is held by the second anchor ear, the end of the connecting rod structure is connected to the bushing terminal, and the other end of the connecting rod structure is connected to the bus bar.