CN110942873B - Conductive connection assembly and tank-type lightning arrester - Google Patents

Conductive connection assembly and tank-type lightning arrester Download PDF

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Publication number
CN110942873B
CN110942873B CN201911302530.0A CN201911302530A CN110942873B CN 110942873 B CN110942873 B CN 110942873B CN 201911302530 A CN201911302530 A CN 201911302530A CN 110942873 B CN110942873 B CN 110942873B
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conductor
conductive
connecting end
shielding sleeve
soft
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CN110942873A (en
Inventor
赵新科
赵利军
孟庆喜
李四新
廉丽娟
陈帅兵
刘瑞瑞
岳光华
申磊
王凯
李阳
贺小维
田超群
岳天松
房鑫
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Pinggao Group Co Ltd
Henan Pinggao Electric Co Ltd
State Grid Corp of China SGCC
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Pinggao Group Co Ltd
Henan Pinggao Electric Co Ltd
State Grid Corp of China SGCC
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Publication of CN110942873A publication Critical patent/CN110942873A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Fuses (AREA)

Abstract

本发明涉及一种导电连接组件及罐式避雷器。导电连接组件包括导电体，包括第一连接端和第二连接端，第一连接端和第二连接端分别用于连接对应的导体；第一连接端与第二连接端之间的至少一段为软质导体，以使第一连接端与第二连接端之间的距离可调；用于套在导电体外部三维电弧屏蔽套，以在使用时遮蔽软质导体。通过软质导体使第一连接端与第二连接端之间的距离可调，使导电体能够适应在安装过程中容器的两部分之间的间距变化，能够通过导电连接组件先连接两处导体，后实现容器的两部分之间的固定连接，电弧屏蔽套能够防止软质导体向外放电，避免软质导体周围空气的温度和压力升高而产生安全隐患，相对于采用插接配合的方式，成本较低，可靠性高。

Figure 201911302530

The invention relates to a conductive connection assembly and a tank-type arrester. The conductive connection component includes a conductor, including a first connection end and a second connection end, the first connection end and the second connection end are respectively used to connect the corresponding conductors; at least a section between the first connection end and the second connection end is The soft conductor is used to adjust the distance between the first connection end and the second connection end; it is used to cover the three-dimensional arc shielding sleeve outside the conductor to shield the soft conductor during use. The distance between the first connection end and the second connection end can be adjusted through the soft conductor, so that the conductor can adapt to the change of the distance between the two parts of the container during the installation process, and the two conductors can be connected first through the conductive connection assembly , and then realize the fixed connection between the two parts of the container. The arc shielding sleeve can prevent the soft conductor from discharging outward, and avoid the safety hazard caused by the increase in the temperature and pressure of the air around the soft conductor. , low cost and high reliability.

Figure 201911302530

Description

Conductive connection assembly and tank-type lightning arrester
Technical Field
The invention relates to a conductive connecting assembly and a tank-type lightning arrester.
Background
There is a type of electrical equipment, to which the can-type arrester belongs, requiring electrical connection between two conductors fixed to two parts of a container, respectively. The pot-type arrester includes flange joint's cylindric shell and basin formula insulator, the junction of the electrically conductive inserts of electrically conductive inserts and cylindric shell is located the cylindric shell, can't carry out the electricity connection of the electrically conductive inserts in two places behind cylindric shell and basin formula insulator fixed connection, so the electrically conductive inserts of cylindric shell and the electrically conductive inserts mode of adopting the grafting usually realize the electricity and connect, set up the female end on the electrically conductive inserts promptly, correspond on the electrically conductive inserts in the cylindric shell and set up public end, when cylindric shell and basin formula insulator butt joint, public end is pegged graft with the female end and is realized the electrically conductive inserts of cylindric shell and electrically connected of electrically conductive inserts, then with basin formula insulator and cylindric shell flange joint.
However, the above electrical connection method has the following problems: first, an accident may be caused by poor contact due to a deviation in coaxiality when the male end and the female end are plugged. Secondly, in order to guarantee the conductive effect, the contact surfaces of the contact fingers and the contact seats and the contact surfaces of the contact fingers and the conductive connecting rods need to be plated with silver, so that the cost is high.
Disclosure of Invention
The invention aims to provide a conductive connecting assembly for solving the problems of potential safety hazard and high cost in the process of electrically connecting conductors in a container.
In order to achieve the purpose, the technical scheme of the conductive connecting component is as follows: an electrically conductive connection assembly comprising
The conductor comprises a first connecting end and a second connecting end, and the first connecting end and the second connecting end are respectively used for connecting corresponding conductors;
at least one section between the first connecting end and the second connecting end is a soft conductor so that the distance between the first connecting end and the second connecting end can be adjusted;
and the arc shielding sleeve is sleeved outside the electric conductor to shield the soft electric conductor when in use.
The conductive connecting component has the beneficial effects that: make the distance between first link and the second link adjustable through soft conductor, make the electric conductor can adapt to the interval change between the two parts of container in the installation, can connect two conductors earlier through electrically conductive coupling assembling, fixed connection between the two parts of container is realized afterwards, the electric arc housing can prevent that soft conductor from outwards discharging, avoid the temperature and the pressure of air around the soft conductor to rise and produce the potential safety hazard, for adopting the complex mode of pegging graft, the cost is lower, the reliability is high.
Further, the length of the conductor is such that the conductor is not exposed outside the arc shielding sleeve after bending.
The device has the advantages of simple structure and convenient operation.
Furthermore, the device also comprises a tension spring which comprises a first end and a second end;
the first end is fixed on the soft conductor, the second end is fixed at the end part of one end of the conductive connecting assembly, and the conductor is not exposed out of the electromagnetic shielding sleeve after being bent under the traction action of the tension spring.
The arc shielding sleeve has the advantages that the arc shielding sleeve with longer length is not needed, and the cost is saved.
Furthermore, the electric conductors between the first connecting end and the second connecting end are all soft conductors.
The electric conductor has the advantages of soft connection, simple structure and convenient processing.
Furthermore, one end of the arc shielding sleeve is a closed end, the closed end is provided with a through hole for the threaded fastener to pass through, and the second end of the tension spring can be tightly pressed at the hole edge of the through hole through the threaded fastener.
The novel electric heating cooker has the advantage of being convenient to replace.
Further, the first connecting end and the second connecting end are both formed by cold-pressed end heads.
The beneficial effect is that the connection is reliable.
Furthermore, the first connecting end and the second connecting end are matched with threaded fasteners used for being connected with corresponding conductors.
The beneficial effect is that the connection is reliable.
Further, the arc shielding sleeve is of a cylindrical structure.
The processing tool has the advantages of convenience in processing and small occupied space.
Further, the soft conductor is a copper braided wire.
The conductive plastic has the advantages of good conductive capability and capability of realizing larger plastic deformation.
The technical scheme of the pot-type lightning arrester in the invention is as follows: can-type lightning arrester comprising
The basin-type insulator is provided with a conductive insert;
a barrel provided with a conductive insert;
a conductive connection assembly for electrically connecting a conductive insert in a basin-type insulator to a conductive insert in a barrel, comprising
The conductor comprises a first connecting end and a second connecting end, and the first connecting end and the second connecting end are respectively used for connecting corresponding conductors;
at least one section between the first connecting end and the second connecting end is a soft conductor so that the distance between the first connecting end and the second connecting end can be adjusted;
and the arc shielding sleeve is sleeved outside the electric conductor to shield the soft electric conductor when in use.
The pot-type lightning arrester has the beneficial effects that: make the distance between first link and the second link adjustable through soft conductor, make the electric conductor can adapt to the interval change between the jar body and the basin formula insulator in the installation, can connect two electrically conductive inserts of department earlier through electrically conductive coupling assembling, fixed connection between the jar body and the basin formula insulator is realized to the back, the electric arc housing can prevent that soft conductor from outwards discharging, avoid the temperature and the pressure of air around the soft conductor to rise and produce the potential safety hazard, guarantee the reliability of pot-type arrester, reduce the manufacturing cost of pot-type arrester.
Further, the length of the conductor is such that the conductor is not exposed outside the arc shielding sleeve after bending.
The device has the advantages of simple structure and convenient operation.
Furthermore, the device also comprises a tension spring which comprises a first end and a second end;
the first end is fixed on the soft conductor, the second end is fixed at the end part of one end of the conductive connecting assembly, and the conductor is not exposed out of the electromagnetic shielding sleeve after being bent under the traction action of the tension spring.
The arc shielding sleeve has the advantages that the arc shielding sleeve with longer length is not needed, and the cost is saved.
Furthermore, the electric conductors between the first connecting end and the second connecting end are all soft conductors.
The electric conductor has the advantages of soft connection, simple structure and convenient processing.
Furthermore, one end of the arc shielding sleeve is a closed end, the closed end is provided with a through hole for the threaded fastener to pass through, and the second end of the tension spring can be tightly pressed at the hole edge of the through hole through the threaded fastener.
The novel electric heating cooker has the advantage of being convenient to replace.
Further, the first connecting end and the second connecting end are both formed by cold-pressed end heads.
The beneficial effect is that the connection is reliable.
Furthermore, the first connecting end and the second connecting end are matched with threaded fasteners used for being connected with corresponding conductors.
The beneficial effect is that the connection is reliable.
Further, the arc shielding sleeve is of a cylindrical structure.
The processing tool has the advantages of convenience in processing and small occupied space.
Further, the soft conductor is a copper braided wire.
The conductive plastic has the advantages of good conductive capability and capability of realizing larger plastic deformation.
Drawings
Fig. 1 is a schematic structural view of a specific embodiment 1 of a can type arrester of the present invention;
fig. 2 is a schematic structural diagram of an embodiment 1 of the conductive connection component of the present invention;
FIG. 3 is a schematic diagram of the electrical conductor of FIG. 2;
in the figure: 1. the transformer comprises a tank body, 2, a base, 3, a basin-type insulator, 4, a core body, 5, a grounding plate, 6, an outgoing line conductor, 7, a cover plate, 8, a cylindrical pressure equalizing cover, 9, a conductive insert, 10, a first cold-pressing end, 11, a second cold-pressing end, 12, a first bolt, 13, a second bolt, 14, a copper braided wire, 15, a barrel body, 16, a closed end, 17, a perforation, 18 and a tension spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the application, i.e., the embodiments described are only a subset of, and not all embodiments of the application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present application are described in further detail below with reference to examples.
Embodiment 1 of the conductive connection component of the present application: as shown in fig. 2 and fig. 3, the conductive connection assembly includes a conductor and an arc shielding sleeve, the conductor includes a first cold-pressing end 10, a second cold-pressing end 11 and a copper braided wire 14 located between the first cold-pressing end 10 and the second cold-pressing end 11, ends of two ends of the copper braided wire 14 are respectively connected with the corresponding cold-pressing ends in a cold-pressing manner, the copper braided wire 14 can be bent to enable the distance between the first cold-pressing end 10 and the second cold-pressing end 11 to be adjustable, and the copper braided wire 14 constitutes a soft conductor.
All be equipped with the through-hole that supplies the bolt to pass on first cold pressing end 10 and the second cold pressing end 11, when using, first cold pressing end 10 is through first bolt 12 and the conductor fixed connection that corresponds, and second cold pressing end 11 is through second bolt 13 and the conductor fixed connection that corresponds.
The arc shielding sleeve comprises a cylinder body 15 which is sleeved outside the electric conductor, the upper end of the cylinder body 15 is a closed end 16, the lower end of the cylinder body is open, and the closed end 16 is provided with a through hole 17 for the first bolt 12 to pass through. When the arc shielding sleeve fixing device is used, the bolt head of the first bolt 12 presses the arc shielding sleeve on the corresponding conductor, and the arc shielding sleeve is fixed. The upper end of the cylinder 15 is closed, so that discharge of sharp corners, burrs and the like on the tension spring 18 to the container can be avoided.
The conductive connecting assembly further comprises a tension spring 18, the lower end of the tension spring 18 is fixed in the middle of the copper braided wire 14, the upper end of the tension spring is clamped and fixed by the bolt head of the first bolt 12 and the hole edge of the through hole 17, the tension spring 18 is used for drawing the copper braided wire 14 to prevent the copper braided wire 14 from being separated from the lower end opening of the arc shielding sleeve, the lower end of the tension spring 18 forms a first end, and the upper end of the tension spring 18 forms a second end.
Embodiment 2 of the conductive connection component of the present application: this embodiment differs from embodiment 1 in that, without the tension spring, the conductor includes a hard conductor at a lower portion and a copper braided wire at an upper portion, and the copper braided wire is not long enough to be exposed outside the arc sheath in use.
Embodiment 3 of the conductive connection component of the present application: the difference between this embodiment and the specific embodiment 1 is that the conductive connection assembly is horizontal in use, and at this time, no tension spring is provided, and the copper braided wire is stopped on the inner side wall of the arc shielding sleeve after being bent and is not exposed outside the arc ignition shielding sleeve.
Embodiment 4 of the conductive connection component of the present application: the difference between this embodiment and the specific embodiment 1 is that the conductive body located below the second end of the tension spring is a copper cylinder which cannot be bent, and the copper braided wire is welded and fixed with the copper cylinder.
Embodiment 5 of the conductive connection component of the present application: the present embodiment is different from embodiment 1 in that the arc shielding sleeve is made of a conductive material having a certain elasticity, and is clamped and fixed by the conductors corresponding to the first cold-pressed terminal and the second cold-pressed terminal, respectively, when in use, and is not fixed by the first bolt.
Embodiment 6 of the conductive connection component of the present application: the present embodiment is different from embodiment 1 in that the upper end of the tension spring is fixed on the upper portion of the copper braided wire, and the copper braided wire can be prevented from coming out of the arc shielding sleeve by the pulling action of the tension spring.
Embodiment 7 of the conductive connection component of the present application: the difference between this embodiment and embodiment 1 lies in, the upper end opening of barrel, and the upper end welding of extension spring is on the conductor that first cold pressing end corresponds to realize the extension spring tractive copper braided wire when the copper braided wire is crooked.
Embodiment 8 of the conductive connection component of the present application: the difference between this embodiment and the specific embodiment 1 is that the first connection end and the second connection end are both formed by copper conductive plates welded to the ends of the corresponding ends of the copper braided wire, and the copper conductive plates are provided with bolt through holes for the corresponding first bolts or second bolts to pass through.
Embodiment 9 of the conductive connection component of the present application: this embodiment differs from embodiment 1 in that the second cold pressed end is soldered to the corresponding conductor in use.
Embodiment 10 of the conductive connection component of the present application: the present embodiment is different from embodiment 1 in that the arc shielding sleeve has a hemispherical structure with a downward opening, and a through hole for the first bolt to pass through is formed at the top end of the arc shielding sleeve.
Specific embodiment 11 of the conductive connection component of the present application: this embodiment differs from embodiment 1 in that the soft conductor is formed of a flexible multicore wire.
Specific embodiment 12 of the conductive connection component of the present application: the difference between this embodiment and specific embodiment 1 is that the closed end of the conductive connecting assembly is below and the upper end is open when in use, and the copper braided wire cannot be exposed outside the arc shielding sleeve after being bent without the tension spring.
Specific embodiment 1 of the can-type arrester of the present application: as shown in fig. 1, the tank-type lightning arrester includes a tank body 1 with an upper opening and a lower opening, a base 2 for plugging the lower opening is fixedly connected to the lower end of the tank body 1, a basin-type insulator 3 is fixedly connected to the opening at the upper end of the tank body 1 through a threaded fastener, and the basin-type insulator 3 can plug the opening at the upper end of the tank body 1.
The core 4 that the orientation extends about being equipped with in jar body 1, core 4 is including the centre gripping cage that is enclosed by six insulator spindles, and on screw fastener was fixed to base 2 through the bottom of insulator spindle, the resistance card had been piled up in the inside cavity of centre gripping cage, was equipped with ground plate 5 between resistance card and the base 2, and ground plate 5 sets up in the inside cavity of centre gripping cage and through the outgoing line electric conductor 6 ground connection of wearing out base 2. The core body 4 further comprises a cover plate 7 fixed to the top of the clamping cage, and an elastic jacking piece is arranged between the cover plate 7 and the resistance cards to ensure good contact between the resistance cards.
The basin-type insulator 3 protrudes upwards, the conductive insert 9 is fixedly connected to the middle of the basin-type insulator, and the conductive insert 9 is conductively connected with the cover plate 7 of the core body 4 through the conductive connecting component.
As shown in fig. 2 and 3, the conductive connection assembly includes a conductive body and an arc shielding sleeve, the conductive body includes a first cold-pressed terminal 10 and a second cold-pressed terminal 11, the first cold-pressed terminal 10 is fixedly connected with the conductive insert 9 in the basin-shaped insulator 3 through a first bolt 12, and the second cold-pressed terminal 11 is fixedly connected with the cover plate 7 of the core body 4 through a second bolt 13. The electric conductor is still including being located the copper braided wire 14 between first cold pressing end 10 and the second cold pressing end 11, and the tip at copper braided wire 14 both ends is connected with the cold pressing end that corresponds respectively, and the length of copper braided wire 14 is good at the interval between electrically conductive core 4 and the apron 7 to copper braided wire 14 can be crooked so that the interval between first cold pressing end 10 and the second cold pressing end 11 is adjustable, and copper braided wire 14 constitutes soft conductor.
The electric arc shielding sleeve comprises a cylinder body 15, the electric arc shielding sleeve is sleeved outside the electric conductor, the upper end of the cylinder body 15 is a closed end 16, the lower end of the cylinder body is open, the closed end 16 is provided with a through hole 17 for the first bolt 12 to pass through, the bolt head of the first bolt 12 presses the electric arc shielding sleeve on the electric conductor insert 9, and the electric arc shielding sleeve is fixed. The length of the electric arc shielding sleeve is slightly smaller than the distance between the conductive insert 9 and the cover plate 7, so that the electric arc shielding sleeve is prevented from being damaged by the conductive insert 9 and the cover plate 7 due to processing, assembly errors and the like. The upper end of the cylinder 15 is closed, so that the discharge of sharp corners, burrs and the like on the tension spring 18 to the tank body 1 can be avoided.
The conductive connecting assembly further comprises a tension spring 18, the lower end of the tension spring 18 is fixed in the middle of the copper braided wire 14, the upper end of the tension spring is clamped and fixed by the bolt head of the first bolt 12 and the hole edge of the through hole 17, the tension spring 18 is used for drawing the copper braided wire 14 to prevent the copper braided wire 14 from being separated from the lower end opening of the arc shielding sleeve, the lower end of the tension spring 18 forms a first end, and the upper end of the tension spring 18 forms a second end.
The tank surge arrester further comprises a cylindrical surge tank 8, and the second cold-pressed end 11 and the cover plate 7 clamp the cylindrical surge tank 8 to fix the cylindrical surge tank 8 on top of the core body 4 and extend downward.
The installation process of the pot-type lightning arrester comprises the following steps: when the tank-type lightning arrester is assembled, the upper ends of the first cold-pressed end 10, the arc shielding sleeve and the tension spring 18 are fixed on the conductive insert 9 through bolts, the tank body 1 is close to the basin-type insulator 3 and has a certain interval, and the second cold-pressed end 11 and the cylindrical voltage-sharing cover 8 are fixed on the cover plate 7 through bolts. Then place the basin formula insulator 3 at the upper end opening part of jar body 1, copper braided wire 14 bending is in order to adapt to the shortening of the interval between first cold pressing end 10 and the second cold pressing end 11 this moment, and simultaneously, extension spring 18 contracts with tractive copper braided wire 14, avoids copper braided wire 14 from passing through threaded fastener with basin formula insulator 3 and jar body 1 fixed connection, accomplishes the assembly of pot-type arrester.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.

Claims (8)

1. Electrically conductive coupling assembling, its characterized in that: comprises that
The conductor comprises a first connecting end and a second connecting end, and the first connecting end and the second connecting end are respectively used for connecting corresponding conductors;
at least one section between the first connecting end and the second connecting end is a soft conductor so that the distance between the first connecting end and the second connecting end can be adjusted;
the electric arc shielding sleeve is sleeved outside the electric conductor to shield the soft electric conductor when in use; the length of the conductor is such that the conductor is not exposed out of the arc shielding sleeve after being bent; the tension spring comprises a first end and a second end;
the first end is fixed on the soft conductor, the second end is fixed at the end part of one end of the conductive connecting assembly, and the conductor is not exposed out of the electromagnetic shielding sleeve after being bent under the traction action of the tension spring; the distance between the first connecting end and the second connecting end is adjustable through the soft conductor, so that the conductor can adapt to the change of the distance between the two parts of the container in the installation process, the two conductors can be connected through the conductive connecting assembly firstly, and then the fixed connection between the two parts of the container is realized.
2. The conductive connection assembly of claim 1, wherein: and the electric conductors between the first connecting end and the second connecting end are soft conductors.
3. The conductive connection assembly of claim 1, wherein: one end of the arc shielding sleeve is a closed end, the closed end is provided with a through hole for a threaded fastener to pass through, and the second end of the tension spring is pressed on the hole edge of the through hole through the threaded fastener.
4. The conductive connection assembly of claim 1, wherein: the first connecting end and the second connecting end are formed by cold-pressed end heads.
5. The conductive connection assembly of claim 4, wherein: the first connecting end and the second connecting end are matched with threaded fasteners used for being connected with corresponding conductors.
6. The conductive connection assembly of claim 1, wherein: the electric arc shielding sleeve is of a cylindrical structure.
7. The conductive connection assembly of claim 1, wherein: the soft conductor is a copper braided wire.
8. Pot-type arrester, its characterized in that: comprises that
The basin-type insulator is provided with a conductive insert;
a barrel provided with a conductive insert;
conductive connection assembly, as claimed in any of the claims 1-7, for enabling an electrical connection of a conductive insert in a basin insulator with a conductive insert in a barrel.
CN201911302530.0A 2019-12-17 2019-12-17 Conductive connection assembly and tank-type lightning arrester Active CN110942873B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201629217U (en) * 2009-10-31 2010-11-10 平高集团有限公司 A tank type voltage transformer
CN106504836A (en) * 2016-10-12 2017-03-15 河南平高通用电气有限公司 Tank-type lightning arrester
CN107104410A (en) * 2017-03-23 2017-08-29 平高集团有限公司 A kind of arrester connection gold utensil
CN107785863A (en) * 2017-11-22 2018-03-09 许继（厦门）智能电力设备股份有限公司 Adjustable mask connects conductor structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207800269U (en) * 2018-01-11 2018-08-31 长沙为众机械制造有限公司 A kind of welding machine voltage regulating device
CN108389668A (en) * 2018-05-10 2018-08-10 南阳金冠电气有限公司 A kind of single-phase tank-type lightning arresters of band fracture GIS
CN209785665U (en) * 2019-07-01 2019-12-13 黑龙江交通职业技术学院 Lightning protection device for railway communication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201629217U (en) * 2009-10-31 2010-11-10 平高集团有限公司 A tank type voltage transformer
CN106504836A (en) * 2016-10-12 2017-03-15 河南平高通用电气有限公司 Tank-type lightning arrester
CN107104410A (en) * 2017-03-23 2017-08-29 平高集团有限公司 A kind of arrester connection gold utensil
CN107785863A (en) * 2017-11-22 2018-03-09 许继（厦门）智能电力设备股份有限公司 Adjustable mask connects conductor structure

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