CN210007241U - casing pipe wiring device and power transmission equipment - Google Patents

casing pipe wiring device and power transmission equipment Download PDF

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Publication number
CN210007241U
CN210007241U CN201920691208.0U CN201920691208U CN210007241U CN 210007241 U CN210007241 U CN 210007241U CN 201920691208 U CN201920691208 U CN 201920691208U CN 210007241 U CN210007241 U CN 210007241U
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China
Prior art keywords
hoop
current
bushing
terminal
shield
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CN201920691208.0U
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Chinese (zh)
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程建伟
黄克捷
王帅兵
张巍
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China South Power Grid International Co ltd
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China South Power Grid International Co ltd
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Abstract

The utility model relates to a transmission equipment technical field discloses sleeve pipe termination and transmission equipment, because sleeve pipe binding post locates the top of generating line, through second staple bolt centre gripping generating line, and be connected second staple bolt and sleeve pipe binding post through link structure, consequently, suspend the generating line in midair, thereby for the generating line provides mechanical support, make the generating line fix at the assigned position, thereby can cancel basin formula insulator or post insulator among the prior art, and then adopted basin formula insulator or post insulator fixed bus and sleeve pipe termination to lead to basin formula insulator or post insulator edgewise flashover among the avoided prior art, sleeve pipe termination's security has been improved effectively, in addition, because mechanical force passes through link structure and transmits to sleeve pipe binding post, consequently, the current-carrying lead wire does not undertake any mechanical support effect, thereby reduced the current-carrying lead wire because mechanical stress arouses the displacement and lead to contact failure's risk.

Description

casing pipe wiring device and power transmission equipment
Technical Field
The utility model relates to a transmission equipment technical field especially relates to kinds of sleeve pipe 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, and the other end of the sleeve pipe is connected with the other equipment.
In the prior art, fixes the bus through a basin insulator or a post insulator, as shown in fig. 1, a bushing 10 and a GIS/GIL internal bus 30 realize plug-in contact through a bushing wiring device 60, specifically, the bus 30, the bushing wiring device 60 and other components are located in a housing 50, and the bus 30 is fixed through the basin insulator 80, in addition, the bushing wiring device 60 can be fixed in an insert 40 of the basin insulator 80 through bolts, and a bushing terminal 20 is inserted into the bushing wiring device 60 from top to bottom, so that the bushing terminal 20 is electrically contacted with the bus 30 through a contact 70 in the bushing wiring device 60, thereby conducting current, however, the installation and fixing positions of the basin insulator 80 and the bus 30 have electric field distortion caused by a dielectric interface effect of three combination points of epoxy-SF 6-conductor, namely, so-called "interface effect", and under a high operating voltage, the electric field distortion effect can be amplified and easily cause local discharge, and a large electric field component, normal component and electric field adsorption effect exist on the surface of the basin insulator 80 under a high voltage, 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 sleeve pipe termination and transmission of electricity equipment, it can avoid adopting basin formula insulator or post insulator fixed bus and sleeve pipe 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 sleeve pipe termination, including staple bolt, second staple bolt, current-carrying lead wire and connecting rod 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 sleeve connecting terminal is arranged above the bus, the end of the connecting rod structure is used for being connected to the bottom of the sleeve connecting terminal, and the other end of the connecting rod structure is connected to the top of the second hoop.
Preferably, the connecting rod structures comprise 2 connecting rod structures, and the 2 connecting rod structures are oppositely arranged.
Preferably, the connecting rod structure is made of high-strength steel.
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 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 bushing 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 a 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 bushing wiring device 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;
be equipped with the confession on the top of shield cover th through-hole that sleeve pipe binding post passed, be equipped with the confession on the lateral part of shield cover the second through-hole that the generating line passed, the edge of th through-hole with the edge of second through-hole is the turn-up structure, and the turn-up size is calculated by the electric field and is decided.
Preferably, the shielding case is a hollow cylindrical structure, a connection part between the top of the shielding case and the side of the shielding case has a fillet transition structure, and the size of the fillet is determined by the electric field calculation result.
Preferably, the shielding case is a hollow cylindrical structure, a connection part between the bottom of the shielding case and the side part of the shielding case 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 is still provided, including generating line, sleeve pipe binding post, casing and sleeve pipe termination, generating line, sleeve pipe binding post and sleeve pipe termination all locate in the casing, the staple bolt centre gripping sleeve pipe binding post, the second staple bolt centre gripping generating line, sleeve pipe binding post locates the top of generating line, the end of link structure is connected on sleeve pipe binding post's bottom, the end of link structure is connected on the top of second staple bolt in addition.
The embodiment of the utility model provides a kind of sleeve pipe termination and transmission equipment, because sleeve pipe binding post locates the top of generating line, through second staple bolt centre gripping generating line, and be connected second staple bolt and sleeve pipe binding post through link structure, consequently, suspend the generating line in midair, thereby for the generating line provides mechanical support, make the generating line fix in the assigned position, thereby can cancel basin formula insulator or post insulator among the prior art, and then adopted basin formula insulator or post insulator fixed bus and sleeve pipe termination to lead to basin formula insulator or post insulator along the face flashover among the prior art, the security that sleeve pipe termination has effectively been improved, in addition, because mechanical force passes through link structure transmission to sleeve pipe binding post, consequently, the current-carrying lead does not undertake any mechanical support effect, thereby reduced the current-carrying lead and aroused the displacement and lead to contact failure risk because of mechanical stress, in addition, through th staple bolt and sleeve pipe binding post are connected, second staple bolt and bus connection, and through current-carrying lead to the current-carrying lead to contact termination, thereby realize sleeve pipe termination and the electrical contact wiring device is accomplished, the problem that the overheated contact of local bus contact leads to the entering is improved.
Drawings
FIG. 1 is a schematic view of a prior art assembly of a bushing terminal 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 bushing wiring device including a shielding case according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a bushing wiring device in an embodiment of the present invention;
fig. 5 is a front view of the bushing wiring device in the embodiment of the present invention;
fig. 6 is a left side view of the bushing wiring device in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an th hoop in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another embodiments of the th hoop in an example 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 bushing 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, th through holes, 402, second through holes, 403, a fillet transition structure, 500, a sleeve wiring device, 1, hoops, 11, clamping parts, 12, second clamping parts, 13, open slots, 2, clamping parts, 21, second open slots, 3, second hoops, 4, current-carrying leads, 5 and a connecting rod structure.
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 position and top and bottom all is injectd to fig. 5, and when casing wiring device's the mode of placement changed, the description of its corresponding position and top and bottom will also change according to the change of the mode of placement, the utility model discloses do not describe here in detail.
Referring to fig. 2 to 6, types of power transmission equipment according to the preferred embodiment of the present invention include a bus bar 200, a sleeve terminal 100, a housing 300 and a sleeve terminal 500, wherein the bus bar 200, the sleeve terminal 100 and the sleeve terminal 500 are all disposed in the housing 300, wherein the sleeve terminal 500 includes a hoop 1, a second hoop 3, a current-carrying lead 4 and a link structure 5, 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 bushing terminal 100 is arranged above the bus 200, the end of the connecting rod structure 5 is connected to the bottom of the bushing terminal 100, and the end of the connecting rod structure 5 is connected to the top of the second hoop 3.
In the embodiment of the present invention, since the bushing terminal 100 is disposed above the bus bar 200, the bus bar 200 is clamped by the second hoop 3, and the second hoop 3 is connected to the bushing terminal 100 through the connecting rod structure 5, so that the bus bar 200 is suspended, thereby providing a mechanical support for the bus bar 200, and the bus bar 200 is fixed at a designated position, thereby eliminating a basin insulator or a post insulator in the prior art, and further avoiding a flashover along the basin insulator or the post insulator caused by the basin insulator or the post insulator fixing the bus bar and the bushing terminal in the prior art, thereby effectively improving the safety of the bushing terminal 500, in addition, since a mechanical force is transmitted to the bushing terminal 100 through the connecting rod structure 5, the current-carrying lead 4 does not take any mechanical supporting function, thereby reducing the risk of the current-carrying lead 4 causing a displacement and causing a bad contact due to a mechanical stress, in addition, the second hoop 3 is connected to the bus bar 200 by the hoop 1 of the and the bushing terminal 100, and the problem of a bad contact of the current-carrying lead 631 and the second hoop terminal 100 is solved, and the problem of a bad contact caused by the current-carrying lead 633 is solved.
In addition, because the existing bushing 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, due to the limitation of production process and precision, poor contact centering is easily generated and further poor contact is caused, 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 bushing 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 not uniformly distributed in a plurality of contacts due to the plug-in type completion of the existing.
In the embodiment of the present invention, the power transmission equipment is a GIS equipment or a GIL equipment, the bushing terminal 100 may be vertically arranged as shown in fig. 2 and 3, or may be obliquely arranged, and the bus bar 200 is horizontally arranged, when the power transmission equipment works, the bus bar 200 is at a high potential, the bushing terminal 100 is preferably a copper pipe, an aluminum pipe, a solid copper rod, an aluminum rod, or the like, the bus bar 200 is preferably an aluminum pipe, the hoop and the hoop 3 are preferably made of an aluminum alloy, the current-carrying leads 4 are preferably aluminum stranded wires or copper strips, the number and the cross-sectional area of the current-carrying leads 4 may 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 to 6, the connecting rod structure 5 is preferably made of a high strength steel material, the thickness of the connecting rod structure may be set according to the actual use requirements, and the connecting rod structure 5 needs to be able to firmly fix the bus bar 200 on the bushing terminal 100.
As shown in fig. 4 to 6, in order to ensure that the bus bar 200 is fixed in the horizontal direction, the number of the link structures 5 in the present embodiment is preferably 2, and 2 link structures 5 are disposed opposite to each other.
As shown in fig. 4 to 6, in order to simplify the design and make the layout of the current-carrying leads 4 more reasonable, the number of the current-carrying leads 4 in this embodiment is multiple, the multiple 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 multiple current-carrying leads 4 are connected to the upper half portion of the second hoop 3.
Referring to fig. 7 and 8, 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. 8, in order to realize the electrical connection between the current-carrying lead 4 and the and the second hoop 3, the bushing terminal device 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 hoop 1 is provided with a open slot 13, the clamping member 2 is provided with a second open slot 21, the open slot 13 is opposite to and communicated with the second open slot 21, the end of the current-carrying lead 4 is clamped between the 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 between the third open slot 633 and the fourth open slot (not shown in the drawings), and the second clamping member may be connected to the fourth open slot 632, the current-carrying lead 4 may be connected to the second clamp, and the fourth open slot 632, and the fourth clamping member may be connected to the corresponding to the current-carrying lead 2, and the second clamp, and the equivalent to the hoop 1.
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 directly connected to the 389 5 th hoop 1 and the second hoop 3 through the 387 2 nd hoop 387 1 and the second hoop 3 to achieve the electrical connection between the bus bar 200 and the bushing terminal 100.
Referring to fig. 3, in order to avoid discharge caused by too 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 5, the bushing 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 5 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 curled, preferably, the shielding can 400 is formed by rolling an aluminum alloy plate, the shielding can 400 is manufactured by dividing into two pieces by taking a plane determined by the axis of the bushing terminal 100 and the axis of the bus 200 as a symmetry plane, the two pieces are combined into pieces 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 bushing terminal 500 may be shielded by using the internal field intensity 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, the bushing terminal 100 and the like are at the same electric potential, and thus, the electric field shielding effect may be performed on the structures such as the second hoop 1, the second hoop 3, the current-carrying lead 4 and the link structure 5, which are located inside the shielding can prevent the high-voltage conductor from discharging due to electric field distortion, and the edge of the through hole 401 and the second hoop 402 may be both structures, and thus, the surface radius of the current-carrying lead 4 and the structures may be increased, and the curling surface radius of the structures may be determined by the electric field curling technology, and the electric field curling technology may be advantageously determined by the existing technology.
Referring to fig. 3, 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, the junction between the top of the shielding case 400 and the side of the shielding case 400 has a fillet transition structure 403, and the junction between the bottom of the shielding case 400 and the side of the shielding case 400 has a fillet transition structure 403. by performing the surface fillet transition process on the shielding case 400, the radius of curvature can be increased, so that reduces the surface electric field intensity of the shielding case 400 to satisfy the electric field shielding function, wherein the radius of the fillet can be determined in a manner known in the art, for example, the radius of the fillet is determined by the electric field calculation result in the prior art.
To sum up, the embodiment of the present invention provides kinds of bushing wiring device 500 and power transmission equipment, since bushing wiring terminal 100 is located above bus 200, through second hoop 3 to clamp bus 200, and connect second hoop 3 with bushing wiring terminal 100 through link structure 5, thus suspend bus 200, thereby providing mechanical support for bus 200, make bus 200 fix at the designated position, thereby can cancel basin insulator or post insulator in the prior art, and further avoid employing basin insulator or post insulator to fix bus and bushing wiring device in the prior art to cause basin insulator or post insulator along surface flashover, effectively improve the safety of bushing wiring device 500, in addition, since mechanical force is transmitted to bushing wiring terminal 100 through link structure 5, therefore current-carrying lead 4 does not bear mechanical load, thereby reducing current-carrying lead 4 because of mechanical stress (vibration or external force etc.) causes displacement and leads to poor contact, in addition, is connected with bushing wiring terminal 100 through hoop 1, second hoop 3 is connected with bus 63200, and connect second hoop 83 with second hoop 3 through lead wire lead to realize that current-carrying lead to the current-carrying lead to contact terminal 100, thereby the current-carrying wiring terminal contacts and bushing wiring device and bushing wiring terminal contacts realize the problem of overheating.
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 (10)

  1. The sleeve wiring device is characterized by comprising a th hoop, a second hoop, a current-carrying lead and a 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 sleeve connecting terminal is arranged above the bus, the end of the connecting rod structure is used for being connected to the bottom of the sleeve connecting terminal, and the other end of the connecting rod structure is connected to the top of the second hoop.
  2. 2. The bushing wiring device of claim 1, wherein said link arrangement includes 2, 2 of said link arrangements being oppositely disposed.
  3. 3. The bushing terminal as defined in claim 1, wherein said link structure is formed of high strength steel.
  4. 4. The casing wiring device according to claim 1, wherein the number of the current-carrying leads is plural, the plural current-carrying leads are arranged in pairs, and second ends of the two oppositely arranged current-carrying leads are respectively connected to two opposite sides of the second hoop.
  5. 5. The bushing terminal assembly of any of claims 1-4, wherein said hoop includes a st clamp portion and a second clamp portion, an end of said clamp portion being connected to an end of said second clamp portion, an end of said clamp portion being connected to an end of said second clamp portion, a clamping space being defined between said th clamp portion and said second clamp portion for clamping said bushing 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.
  6. 6. The bushing wiring device according to claim 5, further comprising a clamp member and a second clamp member, wherein said a clamp member is connected to said a clamp, wherein said a clamp member has an open slot, wherein said a clamp member has a second open slot, wherein said an open slot is opposite to and in communication with said second open slot, and wherein said end of said current carrying lead is clamped in said an open slot and said 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 .
  7. 7. The bushing wiring device of any of claims 1-4, further comprising a shield, wherein said first hoop , said second hoop, said current carrying leads and said link structure are received in said shield, wherein said shield is attached at its end to said first hoop , and wherein said shield is attached at its other end to said second hoop;
    be equipped with the confession on the top of shield cover th through-hole that sleeve pipe binding post passed, be equipped with the confession on the lateral part of shield cover the second through-hole that the generating line passed, the edge of through-hole with the edge of second through-hole is the turn-up structure.
  8. 8. The bushing wiring device according to claim 7, wherein said shield has a hollow cylindrical configuration, and a junction between a top portion of said shield and a side portion of said shield has a rounded transition configuration.
  9. 9. The bushing wiring device according to claim 7, wherein said shield has a hollow cylindrical configuration, and a junction between a bottom portion of said shield and a side portion of said shield has a rounded corner transition configuration.
  10. 10, an electrical transmission equipment comprising a bus bar, a bushing terminal, a housing and the bushing terminal device of any of claims 1-9, wherein the bus bar, the bushing terminal and the bushing terminal device are all disposed in the housing, the first hoop clamps the bushing terminal, the second hoop clamps the bus bar, the bushing terminal is disposed above the bus bar, the end of the link structure is used to connect to the bottom of the bushing terminal, and the other end of the link structure connects to the top of the second hoop.
CN201920691208.0U 2019-05-14 2019-05-14 casing pipe wiring device and power transmission equipment Active CN210007241U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920691208.0U CN210007241U (en) 2019-05-14 2019-05-14 casing pipe wiring device and power transmission equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920691208.0U CN210007241U (en) 2019-05-14 2019-05-14 casing pipe wiring device and power transmission equipment

Publications (1)

Publication Number Publication Date
CN210007241U true CN210007241U (en) 2020-01-31

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Application Number Title Priority Date Filing Date
CN201920691208.0U Active CN210007241U (en) 2019-05-14 2019-05-14 casing pipe wiring device and power transmission equipment

Country Status (1)

Country Link
CN (1) CN210007241U (en)

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