CN112802671A - Pluggable high-voltage bushing capable of being installed quickly - Google Patents

Pluggable high-voltage bushing capable of being installed quickly Download PDF

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Publication number
CN112802671A
CN112802671A CN202110140196.4A CN202110140196A CN112802671A CN 112802671 A CN112802671 A CN 112802671A CN 202110140196 A CN202110140196 A CN 202110140196A CN 112802671 A CN112802671 A CN 112802671A
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CN
China
Prior art keywords
base
flange
sleeve
current
bushing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110140196.4A
Other languages
Chinese (zh)
Inventor
刘立宝
刘敏
孙荣升
姚越
崔艳珍
杜砚
冯宇
蔡胜伟
胡岭
郑原原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Liye Power Transformer Co ltd
Nanjing Electric High Voltage Bushing Co ltd
China Electric Power Research Institute Co Ltd CEPRI
Original Assignee
Nanjing Liye Power Transformer Co ltd
Nanjing Electric High Voltage Bushing Co ltd
China Electric Power Research Institute Co Ltd CEPRI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Liye Power Transformer Co ltd, Nanjing Electric High Voltage Bushing Co ltd, China Electric Power Research Institute Co Ltd CEPRI filed Critical Nanjing Liye Power Transformer Co ltd
Priority to CN202110140196.4A priority Critical patent/CN112802671A/en
Publication of CN112802671A publication Critical patent/CN112802671A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/56Insulating bodies
    • H01B17/58Tubes, sleeves, beads, or bobbins through which the conductor passes

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulators (AREA)

Abstract

The invention discloses a pluggable quick-installation high-voltage bushing, which comprises a high-voltage bushing and a base glass fiber reinforced plastic cylinder, wherein the high-voltage bushing comprises an upper end enclosure, a hollow composite sleeve, a bushing flange and a capacitor core, the upper end enclosure is arranged at the top of the capacitor core, the bushing flange is sleeved at the middle section of the core body of the capacitor core, the hollow composite sleeve is sleeved outside the capacitor core between the upper end enclosure and the bushing flange, the capacitor core below the bushing flange is arranged inside the base glass fiber reinforced plastic cylinder, the top of the base glass fiber reinforced plastic cylinder is connected with the bottom of the bushing flange through a base flange plate, a base bearing part is arranged at the bottom of the base glass fiber reinforced plastic cylinder, and an oil compensator is also arranged on a middle flange body of the bushing flange; the oil compensator comprises a sleeve and an oil level display meter arranged at the tail end of the sleeve, and an oil pressure balance assembly is further arranged in the sleeve. The oil-level buffer device has a stable structure, is convenient to mount and dismount, and can buffer the oil level and the oil pressure.

Description

Pluggable high-voltage bushing capable of being installed quickly
Technical Field
The invention relates to a pluggable high-voltage bushing capable of being installed quickly, and belongs to the field of high-voltage bushings.
Background
Along with social development, the power consumption is rapidly increased, the load of each transformer substation is increased, and the stability of the transformer high-voltage bushing becomes a key for stable operation of the transformer substations, but when the conventional transformer high-voltage bushing is actually applied, the current-carrying guide rod and the base connecting rod are connected through a bolt independently, and the phenomena of non-concentricity, eccentricity, non-correct position and easiness in loosening of the bushing current-carrying guide rod and the base connecting rod exist; the base connecting rod is in threaded connection with the base current carrying disc, so that the current carrying reliability is low, the connection stability is poor, and the assembly and the disassembly are inconvenient in the two modes; in addition, the high-voltage bushing of the existing transformer cannot detect the oil level between the transformer bushing and the base, and cannot buffer the oil pressure between the transformer bushing and the base when the weather changes to drive the oil pressure to change.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the pluggable high-voltage bushing which is convenient to mount and dismount and can buffer the oil level and the oil pressure.
The technical scheme adopted by the invention is as follows:
a pluggable high-voltage bushing capable of being quickly installed comprises a high-voltage bushing and a base glass fiber reinforced plastic cylinder, wherein the high-voltage bushing comprises an upper end enclosure, a hollow composite sleeve, a bushing flange and a capacitor core, the upper end enclosure is arranged at the top of the capacitor core, the bushing flange is sleeved at the middle section of a core body of the capacitor core, the hollow composite sleeve is sleeved outside the capacitor core between the upper end enclosure and the bushing flange, two ends of the hollow composite sleeve are respectively connected with the upper end enclosure and the bushing flange, the capacitor core below the bushing flange is arranged inside the base glass fiber reinforced plastic cylinder, a containing space is formed between the capacitor core and the base glass fiber reinforced plastic cylinder, the top of the base glass fiber reinforced plastic cylinder is connected with the bottom of the bushing flange through a base flange plate, and a base bearing part is arranged at the;
an oil delivery channel communicated with the accommodating space between the capacitor core and the base glass fiber reinforced plastic cylinder is formed in a flange plate on one side of the bottom of the sleeve flange, a communication channel communicated with the accommodating space between the capacitor core and the base glass fiber reinforced plastic cylinder is formed in the other side of a flange body in the middle of the sleeve flange, and an oil compensator communicated with the tail end of the communication channel is further arranged on the flange body in the middle of the sleeve flange;
the oil compensator comprises a sleeve and an oil level display meter arranged at the tail end of the sleeve, and an oil pressure balance assembly is further arranged in the sleeve.
Preferably, the oil pressure balance assembly includes the uide bushing of being connected with the middle part flange body of sleeve pipe flange, the butterfly bullet pad of setting in the uide bushing, connecting piece and bellows, the connecting piece includes the spliced pole of I shape structure, be provided with the dead lever at the small radius end of spliced pole, the dead lever extends to butterfly bullet pad inside and with butterfly bullet pad fixed connection, the large radius end of spliced pole and the wherein one end fixed connection of bellows, the other end and the oil level display meter fixed connection of bellows, the large radius end and the bellows of spliced pole all leave the clearance with between the sleeve pipe.
Further preferably, the upper end socket comprises a sleeve pipe and a military cap which are connected with a flange at the top end of the hollow composite sleeve, and an air end connecting plate which is arranged at the top of the sleeve pipe and the military cap.
Further preferably, the pedestal bearing part comprises a pedestal current carrying disc connected with the bottom of the pedestal glass fiber reinforced plastic cylinder and an in-oil wiring board arranged at the bottom end of the pedestal current carrying disc, a current carrying guide rod and a pedestal connecting rod are arranged in a central hole of the capacitor core, the top end of the current carrying guide rod is fixedly connected with the military cap through a sleeve, the bottom end of the current carrying guide rod extends into the central hole of the capacitor core positioned in the sleeve flange and is connected with the top end of the pedestal connecting rod, and the bottom end of the pedestal connecting rod is connected with the pedestal current carrying disc.
Further preferably, a small-caliber end is formed at the top end of the base connecting rod, extends to the bottom end of the current-carrying guide rod and is fixedly connected with the bottom end of the current-carrying guide rod through a bolt, a connecting pipe is sleeved at the joint of the current-carrying guide rod and the base connecting rod, and locking nuts are respectively arranged on the current-carrying guide rods at the two ends of the connecting pipe and the base connecting rod.
Further preferably, lie in that the one end that base current-carrying dish is connected is formed with heavy groove, heavy inslot is provided with bullet pad, the bottom of base connecting rod extend to heavy inslot and with bullet pad butt, be formed with heavy ring on the body of rod of the base connecting rod that lies in heavy inslot, heavy intra-annular cover is equipped with the watchband contact, threaded sleeve is equipped with the nut on the body of rod of the base connecting rod that lies in outside the heavy groove, nut and base current-carrying dish butt, and be provided with the locking bolt that a plurality of and base current-carrying dish are connected on the nut.
Further preferably, a plurality of polytetrafluoroethylene rings are sleeved on the current-carrying guide rod and the rod body of the base connecting rod, and the polytetrafluoroethylene rings are abutted to the central hole of the capacitor core.
Further preferably, the top of the base glass fiber reinforced plastic cylinder is connected with the base flange, and the joints of the bottom of the sleeve flange and the base flange and the joints of the bottom of the base glass fiber reinforced plastic cylinder and the base current-carrying disc are provided with sealing rings.
Preferably, the diameter of the base flange plate is larger than that of the bottom end of the sleeve flange, and an exhaust hole is formed in the flange plate body on one side of the base flange plate.
Further preferably, an oil pressure equalizing ball is provided outside the base carrier plate and the oil terminal plate.
The invention has the beneficial effects that:
1. the oil compensator can realize the oil level detection between the transformer sleeve and the base glass fiber reinforced plastic cylinder, and the operation reliability is improved; the corrugated pipe guide device can realize centering and moving of the corrugated pipe, solve the problem of movable jamming of the corrugated pipe and avoid the problem of roller friction of the guide rail type corrugated pipe; the bellows is moved by the change of the oil pressure, the oil level display meter is operated by the movement of the bellows, the oil level display meter can realize real-time monitoring of the oil level and can buffer the oil pressure;
2. the current-carrying guide rod and the base connecting rod are fixed through the connecting pipe, so that the current-carrying guide rod and the base connecting rod can be concentric, the verticality of the current-carrying guide rod is kept, the actual installation operability is improved, and the installation efficiency is improved; the lock nut can prevent the connecting pipe from loosening, so that the current-carrying guide rod, the base connecting rod and the connecting pipe are integrated, the connection reliability is obviously improved, and the structure is a detachable structure, so that the assembly and disassembly of the current-carrying guide rod and the base connecting rod can be simply realized;
3. the base connecting rod is connected with the base current carrying disc through threads, and the base connecting rod is connected with the base current carrying disc through a watchband contact instead of the watchband contact, so that the current carrying reliability is improved; the bullet pad realizes the locking of base connecting rod, improves the connection reliability, and this structure is detachable structure, can realize base connecting rod's fast assembly and dismantlement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a sleeve flange;
FIG. 3 is a schematic view of the structure at the pedestal carrier;
FIG. 4 is a schematic view of the structure of the junction between the current-carrying guide rod and the base connecting rod;
the main reference numerals in the figures have the following meanings:
1. the high-voltage bushing comprises a high-voltage bushing, 2, a base glass fiber reinforced plastic cylinder, 3, an upper end enclosure, 4, a hollow composite sleeve, 5, a bushing flange, 6, a capacitor core, 7, a base flange plate, 8, an oil delivery channel, 9, a communication channel, 10, an oil compensator, 11, a bushing, 12, an oil level display meter, 13, a guide sleeve, 14, a butterfly-shaped elastic cushion, 15, a corrugated pipe, 16, a connecting column, 17, a fixing rod, 18, a bushing military cap, 19, an air end connecting plate, 20, a base current-carrying disc, 21, a current-carrying guide rod, 22, a base connecting rod, 23, a connecting pipe, 24, a locking nut, 25, a sinking groove, 26, an elastic cushion, 27, a polytetrafluoroethylene ring, 28, a sealing ring, 29, an exhaust hole, 30, an in-oil pressure-equalizing ball, 31, a nut, 32, a locking bolt, 33, an in-oil wiring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-4: the embodiment is a pluggable fast-installation high-voltage bushing, which comprises a high-voltage bushing 1 and a base glass fiber reinforced plastic cylinder 2, wherein the high-voltage bushing 1 comprises an upper end enclosure 3, a hollow composite sleeve 4, a bushing flange 5 and a capacitor core 6, the upper end enclosure 3 is arranged at the top of the capacitor core 6, the bushing flange 5 is sleeved at the middle section of the core body of the capacitor core 6, the hollow composite sleeve 4 is sleeved outside the capacitor core 6 between the upper end enclosure 3 and the bushing flange 5, two ends of the hollow composite sleeve 4 are respectively connected with the upper end enclosure 3 and the bushing flange 5 by flanges, the capacitor core 6 below the bushing flange 5 is arranged inside the base glass fiber reinforced plastic cylinder 2, an accommodating space is formed between the capacitor core 6 and the base glass fiber reinforced plastic cylinder 2, the top of the base glass fiber reinforced plastic cylinder 2 is connected with the bottom of the sleeve flange 5 through a base flange 7, and a base bearing piece is arranged at the bottom of the base glass fiber reinforced plastic cylinder 2;
an oil delivery channel 8 communicated with the accommodating space between the capacitor core 6 and the base glass fiber reinforced plastic cylinder 2 is formed in a flange plate on one side of the bottom of the sleeve flange 5, a communication channel 9 communicated with the accommodating space between the capacitor core 6 and the base glass fiber reinforced plastic cylinder 2 is formed in the other side of a flange body in the middle of the sleeve flange 5, and an oil compensator 10 communicated with the tail end of the communication channel 9 is further arranged on the flange body in the middle of the sleeve flange 5; the oil compensator 10 comprises a sleeve 11 and an oil level display gauge 12 arranged at the tail end of the sleeve 11, and an oil pressure balancing component is also arranged in the sleeve 11; in practical application, oil is input into the accommodating space through the oil delivery passage 8 until the oil level can be detected through the oil level display meter 12, and then the oil delivery passage 8 is sealed through a sealing member.
Referring to fig. 2, the oil pressure balancing assembly includes a guide sleeve 13 connected to the middle flange of the casing flange 5, a butterfly spring washer 14 disposed in the guide sleeve 13, a connecting member and a corrugated pipe 15, the connecting member includes a connecting column 16 having an i-shaped structure, a fixing rod 17 is disposed at a small radius end of the connecting column 16, the fixing rod 17 extends into the butterfly spring washer 14 and is fixedly connected to the butterfly spring washer 14, a large radius end of the connecting column 16 is fixedly connected to one end of the corrugated pipe 15, the other end of the corrugated pipe 15 is fixedly connected to the oil level display meter 12, and gaps are left between the large radius end of the connecting column 16 and the corrugated pipe 15 and the casing 11.
Referring to fig. 1, the upper end enclosure 3 comprises a casing general cap 18 which is connected with the flange at the top end of the hollow composite sleeve 4, and an air end connecting plate 19 which is arranged at the top of the casing general cap 18.
Referring to fig. 1 and 3, the base carrier includes a base current-carrying plate 20 connected to the bottom of the base glass fiber reinforced plastic cylinder 2 and an in-oil wiring board 33 disposed at the bottom end of the base current-carrying plate 20, a current-carrying guide rod 21 and a base connection rod 22 are disposed in the central hole of the capacitor core 6, the top end of the current-carrying guide rod 21 is fixedly connected to the casing and the military cap 18, the bottom end of the current-carrying guide rod 21 extends into the central hole of the capacitor core 6 located in the casing flange 5 and is connected to the top end of the base connection rod 22, and the bottom end of the base connection rod 22 is connected to the base current-carrying.
Referring to fig. 4, a small-diameter end formed at the top end of the base connecting rod 22 extends to the bottom end of the current-carrying guide rod 21 and is fixedly connected to the bottom end of the base connecting rod 22 through a bolt, a connecting pipe 23 is sleeved at the joint of the current-carrying guide rod 21 and the base connecting rod 22, and locking nuts 24 are respectively arranged on the current-carrying guide rod 21 and the base connecting rod 22 at the two ends of the connecting pipe 23.
Referring to fig. 3, a sinking groove 25 is formed at one end of the base current carrying plate 20, an elastic pad 26 is disposed in the sinking groove 25, the bottom end of the base connecting rod 22 extends into the sinking groove 25 and abuts against the elastic pad 26, a sinking ring is formed on the rod body of the base connecting rod 22 located in the sinking groove 25, a watchband contact 34 is sleeved in the sinking ring, a nut 31 is sleeved on the rod body of the base connecting rod 22 located outside the sinking groove 25 in a threaded manner, the nut 31 abuts against the base current carrying plate 20, and a plurality of locking bolts 32 connected with the base current carrying plate 20 are disposed on the nut 31.
Referring to fig. 1 and 2, a plurality of teflon rings 27 are sleeved on the rod bodies of the current-carrying guide rod 21 and the base connecting rod 22, and the teflon rings 27 are abutted to the central hole of the capacitor core 6.
Referring to fig. 2 and 3, the top of the base glass fiber reinforced plastic cylinder 2 is connected with the base flange 7, the joint of the bottom of the sleeve flange 5 and the base flange 7, and the joint of the bottom of the base glass fiber reinforced plastic cylinder 2 and the base current-carrying plate 20 are provided with sealing rings 28.
Referring to fig. 2, the diameter of the base flange 7 is greater than the diameter of the bottom end of the sleeve flange 5, and the flange body on one side of the base flange 7 is provided with an exhaust hole 29, and the exhaust hole 29 facilitates exhaust of the high-voltage sleeve 1 after the high-voltage sleeve is mounted with the transformer through the base flange 7.
Referring to fig. 1, 2, and 3, an in-oil pressure equalizing ball 30 is provided outside the base carrier plate 20 and an in-oil terminal plate 33.
In the invention, the oil level display meter 12 in the oil compensator 10 can realize the oil level detection between the high-voltage bushing 1 and the base glass fiber reinforced plastic cylinder 2, thereby improving the operation reliability; the guide sleeve 13 and the butterfly-shaped elastic cushion 14 of the corrugated pipe 15 can realize centering and moving of the corrugated pipe 15, so that the problem of movable jamming of the corrugated pipe is solved, and the problem of roller friction of the guide rail type corrugated pipe is avoided; the bellows 15 is moved by the change of the oil pressure, the oil level display meter 12 is operated by the movement of the bellows 15, and the oil level display meter 12 can realize real-time monitoring of the oil level and buffer the oil pressure;
the current-carrying guide rod 21 and the base connecting rod 22 are fixed through the connecting pipe 23, so that the current-carrying guide rod 21 and the base connecting rod 22 can be concentric, the verticality of the current-carrying guide rod 21 is kept, the actual installation operability is improved, and the installation efficiency is improved; the lock nut 24 can prevent the looseness prevention of the connecting pipe 23, so that the current-carrying guide rod 21, the base connecting rod 22 and the connecting pipe 23 are integrated, the connection reliability is obviously improved, and the structure is a detachable structure, so that the assembly and disassembly of the current-carrying guide rod 21 and the base connecting rod 22 can be simply realized; the base connecting rod 22 is connected with the base current carrying disc 20 through a watchband contact 34 instead of a threaded connection, so that the current carrying reliability is improved; the elastic pad 26 realizes the looseness prevention of the base connecting rod 22 and improves the connection reliability, and the structure is a detachable structure and can realize the quick assembly and disassembly of the base connecting rod 22.
The above description is only a preferred embodiment of the present patent, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the inventive concept, and these modifications and decorations should also be regarded as the protection scope of the present patent.

Claims (10)

1. A pluggable quick-mounting high-voltage bushing is characterized in that: the high-voltage bushing comprises a high-voltage bushing (1) and a base glass fiber reinforced plastic cylinder (2), wherein the high-voltage bushing (1) comprises an upper end enclosure (3), a hollow composite sleeve (4), a sleeve flange (5) and a capacitor core (6), the upper end enclosure (3) is arranged at the top of the capacitor core (6), the sleeve flange (5) is sleeved at the middle section of the core body of the capacitor core (6), the hollow composite sleeve (4) is sleeved outside the capacitor core (6) between the upper end enclosure (3) and the sleeve flange (5), two ends of the hollow composite sleeve (4) are respectively in flange connection with the upper end enclosure (3) and the sleeve flange (5), the capacitor core (6) below the sleeve flange (5) is arranged inside the base glass fiber reinforced plastic cylinder (2), an accommodating space is formed between the capacitor core (6) and the base glass fiber reinforced plastic cylinder (2), the top of the base glass fiber reinforced plastic cylinder (2) is connected with the bottom of the sleeve flange (5) through a base flange (7), a base bearing piece is arranged at the bottom of the base glass fiber reinforced plastic cylinder (2);
an oil delivery channel (8) communicated with the accommodating space between the capacitor core (6) and the base glass fiber reinforced plastic cylinder (2) is formed in a flange plate on one side of the bottom of the sleeve flange (5), a communication channel (9) communicated with the accommodating space between the capacitor core (6) and the base glass fiber reinforced plastic cylinder (2) is formed in the other side of a middle flange body of the sleeve flange (5), and an oil compensator (10) communicated with the tail end of the communication channel (9) is further arranged on the middle flange body of the sleeve flange (5);
the oil compensator (10) comprises a sleeve (11) and an oil level display meter (12) arranged at the tail end of the sleeve (11), and an oil pressure balance assembly is further arranged in the sleeve (11).
2. A pluggable quick-install high voltage bushing according to claim 1, the oil pressure balancing component comprises a guide sleeve (13) connected with a flange body in the middle of the sleeve flange (5), a butterfly elastic cushion (14) arranged in the guide sleeve (13), a connecting piece and a corrugated pipe (15), the connecting piece comprises a connecting column (16) with an I-shaped structure, the small radius end of the connecting column (16) is provided with a fixing rod (17), the fixing rod (17) extends into the butterfly elastic cushion (14) and is fixedly connected with the butterfly elastic cushion (14), the large radius end of the connecting column (16) is fixedly connected with one end of a corrugated pipe (15), the other end of the corrugated pipe (15) is fixedly connected with the oil level display meter (12), and gaps are reserved between the large radius end of the connecting column (16) and the corrugated pipe (15) and the sleeve (11).
3. A pluggable quick-mounting high-voltage bushing according to claim 1, wherein the upper sealing head (3) comprises a bushing cap (18) flanged to the top end of the hollow composite bushing (4) and an air end connection plate (19) disposed on top of the bushing cap (18).
4. A pluggable fast-mounting high-voltage bushing according to claim 3, wherein the pedestal carrier comprises a pedestal current-carrying plate (20) connected to the bottom of the pedestal glass fiber reinforced plastic cylinder (2) and a terminal plate (33) in oil disposed at the bottom end of the pedestal current-carrying plate (20), a current-carrying guide rod (21) and a pedestal connection rod (22) are disposed in the central hole of the capacitor core (6), the top end of the current-carrying guide rod (21) is fixedly connected to the bushing and the military cap (18), the bottom end of the current-carrying guide rod (21) extends into the central hole of the capacitor core (6) located in the bushing flange (5) and is connected to the top end of the pedestal connection rod (22), and the bottom end of the pedestal connection rod (22) is connected to the pedestal current-carrying plate (20).
5. The pluggable quick-mounting high-voltage bushing as claimed in claim 4, wherein the top end of the base connecting rod (22) forms a small-diameter end extending to the bottom end of the current-carrying guide rod (21) and is fixedly connected to the bottom end of the current-carrying guide rod through a bolt, a connecting pipe (23) is sleeved at the joint of the current-carrying guide rod (21) and the base connecting rod (22), and locking nuts (24) are respectively disposed on the current-carrying guide rod (21) and the base connecting rod (22) at the two ends of the connecting pipe (23).
6. A pluggable quick-installation high-voltage bushing as claimed in claim 4, wherein a sinking groove (25) is formed at one end of the base current-carrying plate (20) connected thereto, an elastic pad (26) is disposed in the sinking groove (25), the bottom end of the base connecting rod (22) extends into the sinking groove (25) and abuts against the elastic pad (26), a sinking ring is formed on the rod body of the base connecting rod (22) located in the sinking groove (25), a strap contact (34) is sleeved in the sinking ring, a nut (31) is sleeved on the rod body of the base connecting rod (22) located outside the sinking groove (25) in a threaded manner, the nut (31) abuts against the base current-carrying plate (20), and a plurality of locking bolts (32) connected with the base current-carrying plate (20) are disposed on the nut (31).
7. A pluggable fast-mounting high-voltage bushing according to claim 4, wherein the current-carrying guide rod (21) and the base connection rod (22) are sleeved with a plurality of PTFE rings (27), and the PTFE rings (27) are abutted to the central hole of the capacitor core (6).
8. A pluggable fast-mounting high-voltage bushing according to claim 4, wherein the top of the base glass fiber reinforced plastic cylinder (2) is connected to the base flange (7), the joint of the bottom of the bushing flange (5) and the base flange (7), and the joint of the bottom of the base glass fiber reinforced plastic cylinder (2) and the base current-carrying plate (20) are provided with sealing rings (28).
9. A pluggable quick-mounting high-voltage bushing according to claim 4, wherein the diameter of the base flange (7) is larger than the diameter of the bottom end of the bushing flange (5), and the flange body on one side of the base flange (7) is provided with the vent hole (29).
10. A pluggable quick-install high voltage bushing according to claim 4, characterized in that the oil pressure equalizing ball (30) is provided outside the base current carrying plate (20) and the oil terminal plate (33).
CN202110140196.4A 2021-02-02 2021-02-02 Pluggable high-voltage bushing capable of being installed quickly Pending CN112802671A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110140196.4A CN112802671A (en) 2021-02-02 2021-02-02 Pluggable high-voltage bushing capable of being installed quickly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110140196.4A CN112802671A (en) 2021-02-02 2021-02-02 Pluggable high-voltage bushing capable of being installed quickly

Publications (1)

Publication Number Publication Date
CN112802671A true CN112802671A (en) 2021-05-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110140196.4A Pending CN112802671A (en) 2021-02-02 2021-02-02 Pluggable high-voltage bushing capable of being installed quickly

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113707454A (en) * 2021-08-26 2021-11-26 搏世因(北京)高压电气有限公司 Capacitor sleeve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113707454A (en) * 2021-08-26 2021-11-26 搏世因(北京)高压电气有限公司 Capacitor sleeve

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