CN113241648B - Transformer substation's isolator contact congeals processing apparatus - Google Patents

Transformer substation's isolator contact congeals processing apparatus Download PDF

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Publication number
CN113241648B
CN113241648B CN202110554598.9A CN202110554598A CN113241648B CN 113241648 B CN113241648 B CN 113241648B CN 202110554598 A CN202110554598 A CN 202110554598A CN 113241648 B CN113241648 B CN 113241648B
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China
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telescopic rod
gear
telescopic
treatment device
wheel set
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CN113241648A (en
Inventor
高文艺
林海波
吴桐
赵洪懿
王兴龙
郑书毅
周佩锦
马安涛
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

Abstract

The invention discloses a freezing treatment device for a transformer substation disconnecting switch contact, which comprises a treatment unit and a telescopic unit, wherein the telescopic unit is used for driving a spray head to move up and down, the treatment unit is used for spraying hot gas to the transformer substation disconnecting switch contact, the treatment unit comprises a gas heating chamber, the spray head and a guide pipe, and the telescopic unit comprises a telescopic piece and a base, the telescopic piece is used for driving the spray head to move in the vertical direction, and the base is fixedly connected with the telescopic piece. The device provided by the invention drives the spray head to ascend through the telescopic unit, and blows hot air on the isolating switch contact through the spray head so as to melt ice on the isolating switch contact.

Description

Transformer substation's isolator contact congeals processing apparatus
Technical Field
The invention relates to the technical field of freezing treatment, in particular to a freezing treatment device for a transformer substation disconnecting switch contact.
Background
As air humidity in the winter of Guizhou is high, and moving and static contacts of the isolating switch in a transformer substation are easy to freeze together in extreme weather, the problem that the isolating switch can not be switched on or off or is damaged in the switching on or off process often occurs,
at present, no effective measure is available for processing the freezing condition of the contact, and if the freezing condition of the contact is not processed, the freezing condition of the contact becomes a great hidden danger of damaging the isolating switch in the operation process, so that the operation reliability of the isolating switch is reduced.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention has been made in view of the above and/or the problems in the conventional freezing treatment device for the contact of the disconnecting switch of the transformer substation.
Therefore, the invention aims to provide a freezing treatment device for a transformer substation disconnecting switch contact.
In order to solve the technical problems, the invention provides the following technical scheme: a freezing treatment device for a transformer substation disconnecting switch contact comprises a treatment unit, a freezing treatment unit and a control unit, wherein the treatment unit comprises a gas heating chamber, a spray head and a guide pipe, and the guide pipe is connected with the spray head and the gas heating chamber; and the telescopic unit comprises a telescopic piece driving the spray head to move along the vertical direction and a base fixedly connected with the telescopic piece, and the gas heating chamber is arranged in the base.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the extensible member include with base fixed connection's first telescopic link, set up in the inside second telescopic link of first telescopic link, set up in the inside third telescopic link of second telescopic link, and set up and be in the first telescopic link on the driving piece, the driving piece with the second telescopic link with the cooperation of third telescopic link, third telescopic link tip with the shower nozzle is connected.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the driving piece is including fixing motor on the base, with first gear that the motor output is connected, set up in the second gear on first telescopic link top, connect first gear with the chain of second gear, with the seventh gear of second gear coaxial coupling, with seventh gear meshing's third gear, with third gear complex third gear shaft, and connect gradually connect in the epaxial fourth gear of third gear, fifth gear, sixth gear, the third gear shaft is fixed in on the first telescopic link, be provided with on the second telescopic link with fourth gear with the first rack of sixth gear complex, be provided with on the third telescopic link with fifth gear complex second rack.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the bottom of second telescopic link is provided with first wheelset and second wheelset, first wheelset and second wheelset respectively with four inner walls sliding fit of first telescopic link.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the bottom of third telescopic link is provided with third wheelset and fourth wheelset, third wheelset and fourth wheelset respectively with four inner walls sliding fit of second telescopic link.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the third gear, the third gear shaft, the fourth gear, the fifth gear and the sixth gear are all provided with two sets of gears and are respectively arranged on opposite surfaces of the first telescopic rod, the first rack and the second rack are correspondingly provided with two sets of gears in the same way, the top end of the first telescopic rod is provided with a fifth wheel set, and the fifth wheel set and the first rack are arranged in a staggered mode.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the third telescopic link bottom is provided with elastic telescopic link, elastic telescopic link include with third telescopic link inner wall connection's casing, with casing both sides sliding fit's flexible arch, and set up in two the spring in the middle of the flexible arch, first one of second telescopic link be provided with flexible protruding complex draw-in groove, flexible protruding tip is first arc surface, the draw-in groove inboard is the second arc surface, first telescopic link inner wall be provided with flexible protruding complex lug, the lug tip is the third arc surface.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the second telescopic rod is provided with a first groove, and the bottom end of the third telescopic rod is provided with a limiting bulge in sliding fit with the first groove.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the first groove is arranged below the clamping groove, and the distance between the limiting protrusion and the telescopic protrusion is not smaller than the distance between the clamping groove and the top end of the first groove.
As a preferred scheme of the freezing treatment device for the transformer substation disconnecting switch contact, the freezing treatment device comprises the following steps: the bottom of the first telescopic rod is provided with a limiting part, the limiting part is matched with the bottom end of the second telescopic rod, and when the limiting part is matched with the bottom end of the second telescopic rod, the first rack is not in contact with the fourth gear.
The invention has the beneficial effects that the spray head is driven to ascend through the telescopic unit, and hot air is blown to the isolating switch contact through the spray head so as to melt ice on the isolating switch contact.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic diagram of a freezing treatment apparatus for a disconnecting switch contact of a substation in example 1.
Fig. 2 is a top structural view of a freezing treatment device for a disconnecting switch contact of a substation in example 1.
FIG. 3 is a block diagram of a bottom drive of the freezing apparatus for the contacts of the disconnector of the substation in example 1.
FIG. 4 is a top drive block diagram of the freeze treatment apparatus for the substation disconnect switch contacts in example 1.
Fig. 5 is a schematic view of a driving part of a freezing treatment device for a disconnecting switch contact of a transformer substation in example 1.
Fig. 6 is an exploded view of the expansion piece of the freezing treatment device for the contacts of the disconnecting switch of the transformer substation in example 1.
Fig. 7 is a schematic bottom view of a second telescopic rod and a third telescopic rod of the freezing treatment device for the disconnecting switch contact of the transformer substation in example 1.
Fig. 8 is a structural view of a second telescopic rod and a third telescopic rod part of a freezing treatment device for a disconnecting switch contact of a transformer substation in example 1.
FIG. 9 is a sectional view of the elastic telescopic rod of the freezing treatment device for the contacts of the disconnecting switch of the transformer substation in example 1.
Fig. 10 is a schematic diagram of a limiting part of a freezing treatment device for contacts of a disconnecting switch of a transformer substation in example 1.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 10, a first embodiment of the invention provides a freezing treatment device for a transformer substation disconnecting switch contact, the freezing treatment device for the transformer substation disconnecting switch contact comprises a treatment unit 100 and a telescopic unit 300, the telescopic unit 300 is used for driving a spray head 102 to move up and down, and the treatment unit 100 is used for spraying hot air to the transformer substation disconnecting switch contact.
Specifically, the processing unit 100 includes a gas heating chamber 101, a showerhead 102, and a conduit 103, the conduit 103 connecting the showerhead 102 with the gas heating chamber 101. The gas heating chamber 101 may be of an existing gas heating structure, and the duct 103 may be made of a heat insulating material.
The telescopic unit 300 comprises a telescopic piece 301 driving the spray head 102 to move along the vertical direction and a base 302 fixedly connected with the telescopic piece 301, the gas heating chamber 101 is arranged in the base 302, and universal wheels are arranged at the bottom end of the base 302 and can push the base 302 to move.
Further, the telescopic member 301 comprises a first telescopic rod 301a fixedly connected to the base 302, a second telescopic rod 301b disposed inside the first telescopic rod 301a, a third telescopic rod 301c disposed inside the second telescopic rod 301b, and a driving member 301d disposed on the first telescopic rod 301a, wherein the driving member 301d is matched with the second telescopic rod 301b and the third telescopic rod 301c, and an end of the third telescopic rod 301c is connected to the spray head 102. Wherein, the driving member 301d comprises a motor 301d-1 fixed on the base 302, a first gear 301d-2 connected with the output end of the motor 301d-1, a second gear 301d-3 arranged at the top end of the first telescopic rod 301a, a chain 301d-4 connecting the first gear 301d-2 and the second gear 301d-3, a seventh gear 301d-10 coaxially connected with the second gear 301d-3, a third gear 301d-5 meshed with the seventh gear 301d-10, a third gear shaft 301d-6 matched with the third gear 301d-5, a fourth gear 301d-7, a fifth gear 301d-8 and a sixth gear 301d-9 sequentially connected with the third gear shaft 301d-6, the third gear shaft 301d-6 is fixed on the first telescopic rod 301a, the second telescopic rod 301b is provided with a first rack 301b-1 matched with the fourth gear 301d-7 and the sixth gear 301d-9, and the third telescopic rod 301c is provided with a second rack 301c-1 matched with the fifth gear 301 d-8.
Further, the bottom end of the second telescopic rod 301b is provided with a first wheel set 301b-2 and a second wheel set 301b-3, and the first wheel set 301b-2 and the second wheel set 301b-3 are respectively in sliding fit with four inner walls of the first telescopic rod 301 a. The bottom end of the third telescopic rod 301c is provided with a third wheel set 301c-2 and a fourth wheel set 301c-3, the third wheel set 301c-2 and the fourth wheel set 301c-3 are in sliding fit with four inner walls of the second telescopic rod 301b respectively, so that the second telescopic rod 301b and the third telescopic rod 301c can be limited, and the lifting can be facilitated to be smoother.
Furthermore, two sets of third gear 301d-5, third gear shaft 301d-6, fourth gear 301d-7, fifth gear 301d-8 and sixth gear 301d-9 are respectively arranged on the opposite surfaces of the first telescopic rod 301a, two sets of first rack 301b-1 and second rack 301c-1 are correspondingly arranged, a fifth wheel set 301a-1 is arranged at the top end of the first telescopic rod 301a, and the fifth wheel set 301a-1 and the first rack 301b-1 are arranged in a staggered manner.
Preferably, the bottom of the third telescopic rod 301c is provided with an elastic telescopic rod 301c-4, the elastic telescopic rod 301c-4 comprises a shell 301c-41 connected with the inner wall of the third telescopic rod 301c, telescopic protrusions 301c-42 in sliding fit with two sides of the shell 301c-41, and a spring 301c-43 arranged between the two telescopic protrusions 301c-42, the upper half of the second telescopic rod 301b is provided with a clamping groove 301b-4 matched with the telescopic protrusions 301c-42, the end part of each telescopic protrusion 301c-42 is a first arc surface M, the inner side of each clamping groove 301b-4 is a second arc surface N, the inner wall of the first telescopic rod 301a is provided with a convex block 301a-6 matched with the telescopic protrusions 301c-42, and the end part of each convex block 301a-6 is a third arc surface L. It should be noted that the first arc surface M and the second arc surface N are arranged to facilitate the sliding of the retractable protrusion 301c-42 into and out of the slot 301b-4, and the protrusion 301a-6 is arranged to facilitate the retractable protrusion 301c-42 of the extended slot 301b-4 to be pressed back into the slot 301b-4 when the third retractable rod 301c retracts. The second telescopic rod 301b is provided with a first groove 301b-5, the bottom end of the third telescopic rod 301c is provided with a limiting protrusion 301c-5 which is in sliding fit with the first groove 301b-5, and the first groove 301b-5 is arranged so that the third telescopic rod 301c has the maximum and minimum displacement relative to the second telescopic rod 301 b.
Preferably, the first groove 301b-5 is disposed below the slot 301b-4, and a distance between the limiting protrusion 301c-5 and the retractable protrusion 301c-42 is not less than a distance between the slot 301b-4 and a top end of the first groove 301 b-5. This is provided to prevent the protrusion 301c-42 from extending beyond the slot 301b-4 and pulling up the second extension rod 301b when the protrusion 301c-42 is stopped by the protrusion 301 a-6. preferably, the distance between the position-limiting protrusion 301c-5 and the protrusion 301c-42 is equal to the distance between the slot 301b-4 and the top of the first recess 301b-5, so that the protrusion 301c-42 fits into the slot 301b-4 when the protrusion 301c-5 moves to the top of the first recess 301 b-5.
Further, the bottom of the first telescopic rod 301a is provided with a limiting part 301a-5, the limiting part 301a-5 is matched with the bottom end of the second telescopic rod 301b, and when the limiting part 301a-5 is matched with the bottom end of the second telescopic rod 301b, the first rack 301b-1 is not in contact with the fourth gear 301d-7, that is, the driving member 301d can only drive the third telescopic rod 301c to move up and down.
In summary, the ascending process of the device of the invention is as follows: the motor 301d-1 rotates to drive the first gear 301d-2 to rotate, the chain 301d-4 drives the second gear 301d-3 to rotate, the seventh gear 301d-10 is coaxial with the second gear 301d-3, so the seventh gear 301d-10 rotates along with the second gear 301d-3, the third gear 301d-5 arranged at two sides of the seventh gear 301d-10 is driven by the seventh gear 301d-10 to rotate, the fourth gear 301d-7, the fifth gear 301d-8 and the sixth gear 301d-9 are fixedly connected with the third gear shaft 301d-6, so the third gear 301d-3 rotates along with the third gear, at the moment, the second rack 301c-1 is matched with the fifth gear 301d-8, so the fifth gear 301d-8 rotates to drive the third telescopic rod 301c to ascend, until the limiting protrusion 301c-5 moves to the top end of the first groove 301b-5, at this time, the retractable protrusion 301c-42 just fits with the slot 301b-4, but because of the protrusion 301a-6, the retractable protrusion 301c-42 cannot extend out of the slot 301b-4, so as to play a role of supporting the second retractable rod 301b, but through the limiting protrusion 301c-5 and the first groove 301b-5, the third retractable rod 301c can drive the second retractable rod 301b to ascend, when leaving the protrusion 301a-6, the retractable protrusion 301c-42 completely extends out of the slot 301b-4, the relative positions of the third retractable rod 301c and the second retractable rod 301b are fixed, then the fourth gear 301d-7 and the sixth gear 301d-9 fit with the first rack 301b-1, so as to drive the second retractable rod 301b to continuously ascend, until a specified height is reached.
The descending process of the device of the invention is as follows: the motor 301d-1 rotates reversely, the driving member 301d drives the second telescopic rod 301b to descend, when the second telescopic rod 301b descends to the lowest end and is limited by the limiting portion 301a-5, the first rack 301b-1 is separated from the fourth gear 301d-7 and the sixth gear 301d-9, the second rack 301c-1 is matched with the fifth gear 301d-8, the telescopic protrusion 301c-42 is just pushed into the clamping groove 301b-4 by the bump 301a-6, the third telescopic rod 301c descends continuously, the telescopic protrusion 301c-42 retracts into the inner wall of the second telescopic rod 301b, and the third telescopic rod 301c descends continuously until the limiting protrusion 301c-5 is matched with the bottom end of the first groove 301 b-5.
When the ice melting device is used, the telescopic unit 300 drives the spray head 102 to ascend to a specified position, then the gas heating chamber 101 is opened, heated hot gas is sprayed out of the spray head 102 through the guide pipe 103, and ice on the contact of the isolating switch is melted.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (8)

1. The utility model provides a transformer substation's isolator contact congeals processing apparatus which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a processing unit (100) comprising a gas heating chamber (101), a showerhead (102) and a conduit (103), said conduit (103) connecting said showerhead (102) with said gas heating chamber (101); and the number of the first and second groups,
the telescopic unit (300) comprises a telescopic piece (301) driving the spray head (102) to move along the vertical direction and a base (302) fixedly connected with the telescopic piece (301), and the gas heating chamber (101) is arranged in the base (302);
the telescopic piece (301) comprises a first telescopic rod (301 a) fixedly connected with the base (302), a second telescopic rod (301 b) arranged inside the first telescopic rod (301 a), a third telescopic rod (301 c) arranged inside the second telescopic rod (301 b), and a driving piece (301 d) arranged on the first telescopic rod (301 a), wherein the driving piece (301 d) is matched with the second telescopic rod (301 b) and the third telescopic rod (301 c), and the end part of the third telescopic rod (301 c) is connected with the spray head (102);
the driving piece (301 d) comprises a motor (301 d-1) fixed on the base (302), a first gear (301 d-2) connected with the output end of the motor (301 d-1), a second gear (301 d-3) arranged at the top end of the first telescopic rod (301 a), a chain (301 d-4) connected with the first gear (301 d-2) and the second gear (301 d-3), a seventh gear (301 d-10) coaxially connected with the second gear (301 d-3), a third gear (301 d-5) meshed with the seventh gear (301 d-10), a third gear shaft (301 d-6) matched with the third gear (301 d-5), and a fourth gear (301 d-7) sequentially connected onto the third gear shaft (301 d-6), The third gear shaft (301 d-6) is fixed on the first telescopic rod (301 a), the second telescopic rod (301 b) is provided with a first rack (301 b-1) matched with the fourth gear (301 d-7) and the sixth gear (301 d-9), and the third telescopic rod (301 c) is provided with a second rack (301 c-1) matched with the fifth gear (301 d-8).
2. The substation disconnecting switch contact freezing treatment device according to claim 1, characterized in that: the bottom end of the second telescopic rod (301 b) is provided with a first wheel set (301 b-2) and a second wheel set (301 b-3), and the first wheel set (301 b-2) and the second wheel set (301 b-3) are in sliding fit with four inner walls of the first telescopic rod (301 a) respectively.
3. The substation disconnecting switch contact freezing treatment device according to claim 1 or 2, characterized in that: the bottom end of the third telescopic rod (301 c) is provided with a third wheel set (301 c-2) and a fourth wheel set (301 c-3), and the third wheel set (301 c-2) and the fourth wheel set (301 c-3) are in sliding fit with four inner walls of the second telescopic rod (301 b) respectively.
4. The substation disconnecting switch contact freezing treatment device according to claim 3, characterized in that: the third gear (301 d-5), the third gear shaft (301 d-6), the fourth gear (301 d-7), the fifth gear (301 d-8) and the sixth gear (301 d-9) are respectively provided with two groups and are respectively arranged on opposite surfaces of the first telescopic rod (301 a), the first rack (301 b-1) and the second rack (301 c-1) are correspondingly provided with two groups, the top end of the first telescopic rod (301 a) is provided with a fifth wheel set (301 a-1), and the fifth wheel set (301 a-1) and the first rack (301 b-1) are arranged in a staggered mode.
5. The substation disconnecting switch contact freezing treatment device according to claim 4, characterized in that: the bottom of the third telescopic rod (301 c) is provided with an elastic telescopic rod (301 c-4), the elastic telescopic rod (301 c-4) comprises a shell (301 c-41) connected with the inner wall of the third telescopic rod (301 c), telescopic protrusions (301 c-42) in sliding fit with the two sides of the shell (301 c-41), and springs (301 c-43) arranged between the two telescopic protrusions (301 c-42), the upper half part of the second telescopic rod (301 b) is provided with clamping grooves (301 b-4) matched with the telescopic protrusions (301 c-42), the end parts of the telescopic protrusions (301 c-42) are first arc surfaces (M), the inner sides of the clamping grooves (301 b-4) are second arc surfaces (N), the inner wall of the first telescopic rod (301 a) is provided with convex blocks (301 a-6) matched with the telescopic protrusions (301 c-42), the end part of the convex block (301 a-6) is a third arc surface (L).
6. The substation disconnecting switch contact freezing treatment device according to claim 5, characterized in that: the second telescopic rod (301 b) is provided with a first groove (301 b-5), and the bottom end of the third telescopic rod (301 c) is provided with a limiting bulge (301 c-5) in sliding fit with the first groove (301 b-5).
7. The substation disconnecting switch contact freezing treatment device according to claim 6, characterized in that: the first groove (301 b-5) is arranged below the clamping groove (301 b-4), and the distance between the limiting protrusion (301 c-5) and the telescopic protrusion (301 c-42) is not smaller than the distance between the clamping groove (301 b-4) and the top end of the first groove (301 b-5).
8. The substation disconnecting switch contact freezing treatment device according to claim 6 or 7, characterized in that: the bottom of the first telescopic rod (301 a) is provided with a limiting part (301 a-5), the limiting part (301 a-5) is matched with the bottom end of the second telescopic rod (301 b), and when the limiting part (301 a-5) is matched with the bottom end of the second telescopic rod (301 b), the first rack (301 b-1) is not in contact with the fourth gear (301 d-7).
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CN114001888A (en) * 2021-10-27 2022-02-01 贵州电网有限责任公司 Portable isolator touches and indicates spring short-term test instrument
CN114023591A (en) * 2021-11-22 2022-02-08 华能河南中原燃气发电有限公司 Be applied to deicing protection device of 500kV isolator switch
CN114038690B (en) * 2021-11-22 2023-12-29 华能河南中原燃气发电有限公司 Anti-freezing device for 500kV isolating switch contact

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