CN114023591A - Be applied to deicing protection device of 500kV isolator switch - Google Patents
Be applied to deicing protection device of 500kV isolator switch Download PDFInfo
- Publication number
- CN114023591A CN114023591A CN202111387771.7A CN202111387771A CN114023591A CN 114023591 A CN114023591 A CN 114023591A CN 202111387771 A CN202111387771 A CN 202111387771A CN 114023591 A CN114023591 A CN 114023591A
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- rod
- matched
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- butt joint
- joint part
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- 239000007921 spray Substances 0.000 claims abstract description 47
- 210000001503 joint Anatomy 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
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Abstract
The invention discloses a deicing protection device applied to a 500kV disconnecting switch, which comprises a processing unit, a moving unit, a telescopic unit and a bearing unit, wherein the processing unit is used for spraying hot air flow to the disconnecting switch, the moving unit is used for driving a spray pipe to move, the telescopic unit is used for driving the moving unit to move up and down, and the bearing unit is used for driving the telescopic unit to move. The device of the invention enables the telescopic unit to automatically extend under the action of gas through the arrangement of each butt joint part, and is more convenient to use; the moving unit drives the spray pipe to move in the linear direction, the angle of hot air sprayed out is adjusted through the structure of the spray pipe, and hot air is blown to the disconnecting switch through the spray pipe so as to melt ice on the disconnecting switch.
Description
Technical Field
The invention relates to the technical field of disconnecting switch deicing, in particular to a deicing protection device applied to a disconnecting switch of a 500kV disconnecting switch.
Background
As the air humidity in the winter of Guizhou is high, the isolating switch is easy to be frozen together in the transformer substation in extreme weather, the problem that the isolating switch can not be switched on or off or is damaged in the switching-on and off process often occurs,
at present, no effective measure is available for treating the freezing condition of the disconnecting link, and if the freezing condition of the disconnecting link is not treated, the freezing condition of the disconnecting link becomes a great hidden trouble 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 present invention has been made in view of the above and/or other problems with the prior art de-icing protection arrangements for 500kV disconnector switches.
Therefore, the problem to be solved by the invention is how to provide a deicing protection device applied to a disconnecting switch of a 500kV disconnecting switch.
In order to solve the technical problems, the invention provides the following technical scheme: a deicing protection device applied to a 500kV disconnecting switch comprises a processing unit, a first driving part, a guide pipe and a gas heating chamber, wherein the guide pipe comprises a guide pipe rear section, a guide pipe middle section and a guide pipe front section, the guide pipe rear section is connected with the guide pipe, the guide pipe middle section is matched with the guide pipe rear section, the guide pipe front section is matched with the guide pipe middle section, the guide pipe front section is connected with the guide pipe and the gas heating chamber; the moving unit is matched with the spray pipe and comprises a first connecting seat connected with the guide pipe and a sliding seat in sliding fit with the first connecting seat, and a sliding groove matched with the first connecting seat is formed in the sliding seat; the telescopic unit comprises a first rod, a second rod matched with the first rod and a third rod matched with the second rod, and the sliding seat is arranged at the top end of the third rod; the bearing unit comprises a box body, a fixed cylinder and universal wheels, the fixed cylinder is arranged in the box body, the universal wheels are arranged at the bottom of the box body, the gas heating chamber is arranged in the box body, and the bottom end of the first rod extends into the box body and is matched with the fixed cylinder.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: 2. the first rod comprises a first outer rod and a first inner rod, the second rod comprises a second outer rod and a second inner rod, a first butt joint part is arranged on the inner wall of the first inner rod, a second butt joint part matched with the first butt joint part is arranged at the bottom of the second outer rod, a third butt joint part is arranged on the inner wall of the second inner rod, and a fourth butt joint part matched with the third butt joint part is arranged at the bottom of the third rod; the outer side wall of the second outer rod is provided with a first sliding groove, the first butt joint part and the second butt joint part are arranged in the first sliding groove, the outer side wall of the third rod is provided with a second sliding groove, and the third butt joint part and the fourth butt joint part are arranged in the second sliding groove.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: 3. the side surface of the rear end of the front section of the spray pipe is obliquely provided with a first outer gear ring, the first driving piece comprises a first motor matched with the first outer gear ring, and the first motor is fixed on the side surface of the middle section of the spray pipe; the side face of the rear end of the middle section of the spray pipe is obliquely provided with a second outer gear ring, the first driving piece comprises a second motor matched with the second outer gear ring, and the second motor is fixed on the side face of the rear section of the spray pipe.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: the spray pipe anterior segment includes nozzle and connecting pipe, connecting pipe one end with nozzle threaded connection, the other end with the cooperation of spray pipe middle section.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: the middle section of the spray pipe comprises extension ends arranged at two ends of the middle section of the spray pipe and a connecting ring in matched connection with the extension ends, a clamping groove is formed in the outer ring of the extension end after the extension end is matched with the connecting ring, clamping rings matched with the clamping groove are arranged on the front section of the spray pipe and the rear section of the spray pipe, and the first outer gear ring and the second outer gear ring are symmetrical along a vertical plane.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: first butt joint portion include along first card strip that first interior pole length direction array set up, set up in the first sealing strip of first card strip side, and set up in first sealing strip with first elastic component between the first sliding tray lateral wall, second butt joint portion include with first card strip complex second card strip.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: the third butt joint portion includes the edge the third card strip that the pole length direction array set up in the second, set up in the second sealing strip of third card strip side, and set up in the second sealing strip with second elastic component between the second sliding tray lateral wall, the fourth butt joint portion include with third card strip complex fourth card strip.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: a first ventilation slot is formed in the top of the first inner rod, and a first gas flow passage communicated with the first ventilation slot is formed in the inner side wall of the first outer rod; and a second ventilation slot hole is formed in the top of the second inner rod, and a second gas flow channel communicated with the second ventilation slot hole is formed in the inner side wall of the second outer rod.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: a first sealing boss matched with the first sliding groove is arranged at the top of the first outer rod, and a second sealing boss matched with the second sliding groove is arranged at the top of the second outer rod; the first sealing strip is attached to the inner wall of the first sliding groove, and the second sealing strip is attached to the inner wall of the second sliding groove.
As a preferred scheme of the deicing protection device applied to the disconnecting link of the 500kV disconnecting switch, the invention comprises the following steps: the telescopic unit further comprises a tensioning piece arranged in the fixed cylinder, and the tensioning piece comprises a wire collecting cylinder in rotating fit with the fixed cylinder, a rotating handle driving the wire collecting cylinder to rotate, and a steel wire pull rope wound on the wire collecting cylinder and connected to the third rod.
The invention has the beneficial effects that: through the arrangement of each butt joint part, the telescopic unit can automatically extend under the action of gas, and the use is more convenient; the moving unit drives the spray pipe to move in the linear direction, the angle of hot air sprayed out is adjusted through the structure of the spray pipe, and hot air is blown to the disconnecting switch through the spray pipe so as to melt ice on the disconnecting switch.
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 structural diagram of a deicing protection device applied to a disconnecting switch of a 500kV isolating switch.
Fig. 2 is a structural diagram of a processing unit and a mobile unit of the deicing protection device applied to a disconnecting switch of a 500kV isolating switch.
Fig. 3 is a structural diagram of a processing unit of the deicing protection device applied to a disconnecting switch of a 500kV isolating switch.
Fig. 4 is an exploded view of a nozzle of the deicing protection device applied to a 500kV disconnecting switch.
Fig. 5 is a sectional view of a nozzle of the deicing protection device applied to a 500kV disconnecting switch knife switch.
Fig. 6 is a cross-sectional view of a telescoping unit of the deicing protection device applied to a 500kV disconnecting switch.
Fig. 7 is a schematic top view of a telescoping unit of the deicing protection device applied to a 500kV disconnecting switch.
Fig. 8 is a schematic diagram of a second clamping strip and a fourth clamping strip of the deicing protection device applied to a disconnecting switch of a 500kV isolating switch.
Fig. 9 is a bottom view of the telescopic unit of the deicing protection device applied to a disconnecting switch of a 500kV isolating switch.
Fig. 10 is a schematic diagram of a telescopic unit gas flow passage of the deicing protection device applied to a disconnecting switch of a 500kV isolating switch.
Fig. 11 is a schematic diagram of a first butt joint part and a third butt joint part of the deicing protection device applied to a disconnecting switch of a 500kV disconnecting switch.
Fig. 12 is a cross-sectional view of a deicing protection device applied to a 500kV disconnector switch.
Fig. 13 is a schematic diagram of the first clamping strip and the second clamping strip which are obliquely arranged and are applied to the deicing protection device of the disconnecting switch of the 500kV isolating switch.
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 13, a first embodiment of the present invention provides a deicing protection device applied to a 500kV disconnecting switch, the deicing protection device applied to a 500kV disconnecting switch includes a processing unit 100, a moving unit 200, a telescopic unit 300 and a carrying unit 400, the processing unit 100 is configured to inject hot air to the disconnecting switch, the moving unit 200 is configured to drive the nozzle 101 to move, the telescopic unit 300 is configured to drive the moving unit 200 to move up and down, and the carrying unit 400 is configured to drive the telescopic unit 300 to move.
Specifically, the processing unit 100 includes a nozzle 101, a first driving member 102, a duct 103 and a gas heating chamber 104, the nozzle 101 includes a nozzle rear section 101a connected to the duct 103, a nozzle middle section 101b matched with the nozzle rear section 101a, and a nozzle front section 101c matched with the nozzle middle section 101b, the first driving member 102 is respectively matched with the nozzle middle section 101b and the nozzle front section 101c, the duct 103 is connected to the nozzle 101 and the gas heating chamber 104, the gas heating chamber 104 may adopt an existing gas heating structure, and the duct 103 adopts a heat insulating material.
Wherein, spray tube back end 101a and spray tube anterior segment 101c all are connected with spray tube middle section 101b, and concrete connection mode is: the middle section 101b of the spray pipe comprises extension ends 101b-2 arranged at two ends of the middle section 101b of the spray pipe and a connecting ring 101b-3 in matched connection with the extension ends 101b-2, the extension ends 101b-2 are matched with the connecting ring 101b-3 to form a clamping groove 101b-4 on the outer ring of the extension ends 101b-2, the front section 101c of the spray pipe and the rear section 101a of the spray pipe are both provided with clamping rings 101c-4 matched with the clamping groove 101b-4, the first outer gear ring 101c-1 and the second outer gear ring 101b-1 are symmetrical along a vertical plane, the front nozzle segment 101c includes a nozzle 101c-2 and a connecting pipe 101c-3, one end of the connecting pipe 101c-3 is connected to the nozzle 101c-2 by screw threads, and the other end is matched with the middle nozzle segment 101b, it should be noted that the snap ring 101c-4 of the front nozzle segment 101c is disposed on the connecting pipe 101 c-3. The front section 101c of the spray pipe has two beneficial effects that one is that the nozzle 101c-2 can be detached, a plurality of models of nozzles 101c-2 can be customized, the nozzle diameters of the nozzles 101c-2 of each model are different, and the flow velocity of sprayed air flow can be adjusted by replacing the nozzle 101 c-2; and secondly to facilitate assembly of the nozzle 101. When the nozzle 101 is assembled, the extending ends 101b-2 at two ends of the middle section 101b of the nozzle are firstly inserted into the rear section 101a and the front section 101c of the nozzle, a connecting ring 101b-3 is connected with the extending ends 101b-2 through the other side of the connecting pipe 101c-3 by screws, and the clamping ring 101c-4 on the connecting pipe 101c-3 is arranged in the clamping groove 101b-4 generated on the outer ring of the extending end 101b-2 after the extending end 101b-2 is matched with the connecting ring 101b-3, so that the connecting pipe 101c-3 is connected with the middle section 101b of the nozzle, the sealing performance can be ensured when the middle section 101b of the nozzle and the connecting pipe 101c-3 can rotate relatively, and further, a sealing ring can be arranged at the matched position to further ensure the sealing performance. Similarly, the nozzle rear section 101a and the nozzle middle section 101b are connected by screwing a connection ring 101b-3 to the protruding end 101b-2 through the other side of the nozzle rear section 101 a.
The moving unit 200 is matched with the nozzle 101, and includes a first connecting seat 201 connected with the conduit 103, and a sliding seat 202 in sliding fit with the first connecting seat 201, a sliding groove 202a matched with the first connecting seat 201 is arranged on the sliding seat 202, and the other end of the conduit 103 is communicated with a third rod 303.
The telescopic unit 300 comprises a first rod 301, a second rod 302 engaged with the first rod 301, and a third rod 303 engaged with the second rod 302, and the sliding seat 202 is disposed at the top end of the third rod 303.
The carrying unit 400 comprises a box 401, a fixed cylinder 402 arranged inside the box 401, and a universal wheel 403 arranged at the bottom of the box 401, wherein the gas heating chamber 104 is arranged in the box 401, and the bottom end of the first rod 301 extends into the box 401 and is matched with the fixed cylinder 402.
A first outer gear ring 101c-1 is obliquely arranged on the side surface of the rear end of the front section 101c of the spray pipe, the first driving part 102 comprises a first motor 102a matched with the first outer gear ring 101c-1, and the first motor 102a is fixed on the side surface of the middle section 101b of the spray pipe; the rear end side face of the middle section 101b of the nozzle is obliquely provided with a second external gear ring 101b-1, the first driving part 102 comprises a second motor 102b matched with the second external gear ring 101b-1, and the second motor 102b is fixed on the side face of the rear section 101a of the nozzle.
The front section 101c of the spray pipe comprises a nozzle 101c-2 and a connecting pipe 101c-3, one end of the connecting pipe 101c-3 is in threaded connection with the nozzle 101c-2, and the other end of the connecting pipe is matched with the middle section 101b of the spray pipe.
The middle section 101b of the spray pipe comprises extension ends 101b-2 arranged at two ends of the middle section 101b of the spray pipe and a connecting ring 101b-3 in matched connection with the extension ends 101b-2, a clamping groove 101b-4 is formed in the outer ring of the extension end 101b-2 after the extension end 101b-2 is matched with the connecting ring 101b-3, clamping rings 101c-4 matched with the clamping groove 101b-4 are arranged on the front section 101c of the spray pipe and the rear section 101a of the spray pipe, and the first outer gear ring 101c-1 and the second outer gear ring 101b-1 are symmetrical along a vertical plane.
The first butt joint portion 301b-1 comprises first clamping strips 301b-11 arranged in an array along the length direction of the first inner rod 301b, first sealing strips 301b-12 arranged on the side surfaces of the first clamping strips 301b-11, and first elastic pieces 301b-13 arranged between the first sealing strips 301b-12 and the side walls of the first sliding groove 302a-2, and the second butt joint portion 302a-1 comprises second clamping strips 302a-11 matched with the first clamping strips 301 b-11. The third butting portion 302b-1 includes a third clamping strip 302b-11 arranged in an array along the length direction of the second inner rod 302b, a second sealing strip 302b-12 arranged on the side surface of the third clamping strip 302b-11, and a second elastic member 302b-13 arranged between the second sealing strip 302b-12 and the side wall of the second sliding groove 303b, and the fourth butting portion 303a includes a fourth clamping strip 303a-1 matched with the third clamping strip 302 b-11. The first sealing strip 301b-12 and the second sealing strip 302b-12 play a role in sealing air, when the first clamping strip 301b-11 and the second clamping strip 302a-11 are matched, air cannot flow under the action of the first clamping strip 301b-11, the second clamping strip 302a-11 and the first sealing strip 301b-12, only the pressure inside the rod member can be increased, and after the pressure is increased to a certain strength, the first inner rod 301b can be rotated until the first clamping strip 301b-11 is separated from the second clamping strip 302a-11, and the second rod 302 is pushed to ascend. The principle of the rise of the third lever 303 is the same as that of the second lever 302.
A first ventilation slot hole 301b-2 is formed in the top of the first inner rod 301b, and a first gas flow channel 301a-1 communicated with the first ventilation slot hole 301b-2 is formed in the inner side wall of the first outer rod 301 a; a second vent slot hole 302b-2 is arranged at the top of the second inner rod 302b, and a second gas flow passage 302a-3 communicated with the second vent slot hole 302b-2 is arranged on the inner side wall of the second outer rod 302a
A first sealing boss 301a-2 matched with the first sliding groove 302a-2 is arranged at the top of the first outer rod 301a, and a second sealing boss 302a-4 matched with the second sliding groove 303b is arranged at the top of the second outer rod 302 a; the first sealing strip 301b-12 is attached to the inner wall of the first sliding groove 302a-2, and the second sealing strip 302b-12 is attached to the inner wall of the second sliding groove 303 b.
The telescopic unit 300 further comprises a tension member 304 disposed in the fixed cylinder 402, wherein the tension member 304 comprises a wire winding cylinder 304a rotatably engaged with the fixed cylinder 402, a rotating handle 304b for rotating the wire winding cylinder 304a, and a wire rope 304c wound around the wire winding cylinder 304a and connected to the third rod 303.
It should be noted that the tensioning member 304 has two functions, namely, the raising speed of the second rod 302 and the third rod 303 is controlled, and the raising speed of the second rod 302 and the third rod 303 can be adjusted as required by rotating the handle 304 b; secondly, the second rod 302 and the third rod 303 are controlled to descend, and when the second rod 302 and the third rod 303 need to be retracted after the work is finished, the second rod 302 and the third rod 303 can be pulled back to the initial positions through the tension member 304.
It should be noted that, as shown in fig. 13, in order to facilitate the pulling back of the second rod 302 and the third rod 303 to the initial positions, the first clip strip 301b-11, the second clip strip 302a-11, the third clip strip 302b-11 and the fourth clip strip 303a-1 are all obliquely arranged and are obliquely inclined upwards by 5 ° to 15 °, because the first clip strip 301b-11, the second clip strip 302a-11, the third clip strip 302b-11 and the fourth clip strip 303a-1 may be re-engaged by the first elastic member 301b-13 and the second elastic member 302b-13 after the second rod 302 and the third rod 303 are lifted to a certain distance, and the second rod 302 and the third rod 303a-1 may be pulled down by the tensioning member 304 at the time, the oblique angles are set to 5 ° to 15 °, so that the first clip strip 301b-11 and the second clip strip 302a-11 and the fourth clip strip 302a-11 are pulled down by the tensioning member 304, The third clamping strip 302b-11 and the fourth clamping strip 303a-1 can be clamped to form a certain seal, and the position of the second rod 302 and the third rod 303 is kept fixed under the condition of no external force, on the other hand, the second rod 302 and the third rod 303 are also conveniently pulled down under the action of the tension member 304, it should be noted that if the inclination angle is too large and the pressure in the rod member is large, the clamping between the two clamping strips is tight, and the first clamping strip 301b-11 and the second clamping strip 302a-11, and the third clamping strip 302b-11 and the fourth clamping strip 303a-1 may not be separated through the first gas flow passage 301a-1 and the second gas flow passage 302 a-3.
In this embodiment, the nozzle 101 should have a valve controlling its opening and closing, when the valve is closed, the nozzle 101 is not able to inject air, when the valve is open, the nozzle 101 can inject air, and at one end of the gas heating chamber 104, a blower should be provided to increase the gas flow and ensure that a certain pressure is built up inside the rod when the nozzle 101 is closed.
When the gas heating device is used, gas is heated through the gas heating chamber 104, the heated gas flows into the rod under the action of the blower, the nozzle 101 is closed, the pressure in the rod is gradually increased, the gas passes through the first gas flow passage 301a-1, the first vent groove hole 301b-2, the second gas flow passage 302a-3 and the second vent groove hole 302b-2, the first clamping strip 301b-11, the second clamping strip 302a-11, the third clamping strip 302b-11 and the fourth clamping strip 303a-1 in a pairwise manner, the second rod 302 and the third rod 303 are gradually lifted until the proper positions are reached, the nozzle 101 is opened, at the moment, the second rod 302 and the third rod 303 cannot immediately fall down due to a certain pressure in the rod, when the pressure is slightly reduced, under the action of the first elastic member 301b-13 and the second elastic member 302b-13, the first clamping strip 301b-11, the second clamping strip 302a-11, the third clamping strip 302b-11 and the fourth clamping strip 303a-1 are clamped again, so that the positions of the second rod 302 and the third rod 303 are kept stable, then the contact of the isolating switch is unfrozen, after the unfreezing is completed, the internal pressure of the control rod is kept in a certain range, the tensioning piece 304 is pulled, and the second rod 302 and the third rod 303 are pulled back to the initial positions.
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 (10)
1. The utility model provides a be applied to deicing protection device of 500kV isolator switch which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a processing unit (100) comprising a nozzle (101), a first driving member (102), a duct (103) and a gas heating chamber (104), wherein the nozzle (101) comprises a nozzle rear section (101a) connected with the duct (103), a nozzle middle section (101b) matched with the nozzle rear section (101a), and a nozzle front section (101c) matched with the nozzle middle section (101b), the first driving member (102) is respectively matched with the nozzle middle section (101b) and the nozzle front section (101c), and the duct (103) is connected with the nozzle (101) and the gas heating chamber (104);
the moving unit (200) is matched with the spray pipe (101) and comprises a first connecting seat (201) connected with the guide pipe (103) and a sliding seat (202) in sliding fit with the first connecting seat (201), and a sliding groove (202a) matched with the first connecting seat (201) is formed in the sliding seat (202);
a telescopic unit (300) comprising a first rod (301), a second rod (302) matched with the first rod (301), and a third rod (303) matched with the second rod (302), wherein the sliding seat (202) is arranged at the top end of the third rod (303);
the carrying unit (400) comprises a box body (401), a fixed cylinder (402) arranged in the box body (401), and universal wheels (403) arranged at the bottom of the box body (401), wherein the gas heating chamber (104) is arranged in the box body (401), and the bottom end of the first rod (301) extends into the box body (401) and is matched with the fixed cylinder (402).
2. The deicing protection device applied to a 500kV disconnecting switch knife switch as claimed in claim 1, wherein: the first rod (301) comprises a first outer rod (301a) and a first inner rod (301b), the second rod (302) comprises a second outer rod (302a) and a second inner rod (302b), a first butt joint part (301b-1) is arranged on the inner wall of the first inner rod (301b), a second butt joint part (302a-1) matched with the first butt joint part (301b-1) is arranged at the bottom of the second outer rod (302a), a third butt joint part (302b-1) is arranged on the inner wall of the second inner rod (302b), and a fourth butt joint part (303a) matched with the third butt joint part (302b-1) is arranged at the bottom of the third rod (303);
the outer side wall of the second outer rod (302a) is provided with a first sliding groove (302a-2), the first butt joint part (301b-1) and the second butt joint part (302a-1) are arranged in the first sliding groove (302a-2), the outer side wall of the third rod (303) is provided with a second sliding groove (303b), and the third butt joint part (302b-1) and the fourth butt joint part (303a) are arranged in the second sliding groove (303 b).
3. The deicing protection device applied to a 500kV disconnecting switch knife switch as claimed in claim 2, wherein: a first outer gear ring (101c-1) is obliquely arranged on the rear end side face of the front section (101c) of the spray pipe, the first driving piece (102) comprises a first motor (102a) matched with the first outer gear ring (101c-1), and the first motor (102a) is fixed on the side face of the middle section (101b) of the spray pipe;
the side face of the rear end of the middle section (101b) of the spray pipe is obliquely provided with a second outer gear ring (101b-1), the first driving piece (102) comprises a second motor (102b) matched with the second outer gear ring (101b-1), and the second motor (102b) is fixed on the side face of the rear section (101a) of the spray pipe.
4. The deicing protection device as set forth in claim 3, wherein: the spray pipe front section (101c) comprises a spray nozzle (101c-2) and a connecting pipe (101c-3), one end of the connecting pipe (101c-3) is in threaded connection with the spray nozzle (101c-2), and the other end of the connecting pipe (101c-3) is matched with the spray pipe middle section (101 b).
5. The deicing protection device applied to a 500kV disconnecting switch knife switch according to claim 4, wherein: the middle section (101b) of the spray pipe comprises extension ends (101b-2) arranged at two ends of the middle section (101b) of the spray pipe and a connecting ring (101b-3) in matched connection with the extension ends (101b-2), a clamping groove (101b-4) is formed in the outer ring of the extension end (101b-2) after the extension end (101b-2) is matched with the connecting ring (101b-3), clamping rings (101c-4) matched with the clamping groove (101b-4) are arranged on the front section (101c) of the spray pipe and the rear section (101a) of the spray pipe, and the first outer gear ring (101c-1) and the second outer gear ring (101b-1) are symmetrical along a vertical plane.
6. The deicing protection device applied to a 500kV disconnecting switch knife switch as set forth in claim 5, wherein: the first butt joint part (301b-1) comprises first clamping strips (301b-11) arranged in an array along the length direction of the first inner rod (301b), first sealing strips (301b-12) arranged on the side faces of the first clamping strips (301b-11), and first elastic pieces (301b-13) arranged between the first sealing strips (301b-12) and the side walls of the first sliding grooves (302a-2), and the second butt joint part (302a-1) comprises second clamping strips (302a-11) matched with the first clamping strips (301 b-11).
7. The deicing protection device applied to a 500kV disconnecting switch knife switch according to claim 6, wherein: the third butt joint part (302b-1) comprises third clamping strips (302b-11) arranged in an array along the length direction of the second inner rod (302b), second sealing strips (302b-12) arranged on the side faces of the third clamping strips (302b-11), and second elastic pieces (302b-13) arranged between the second sealing strips (302b-12) and the side walls of the second sliding groove (303b), and the fourth butt joint part (303a) comprises a fourth clamping strip (303a-1) matched with the third clamping strips (302 b-11).
8. The deicing protection device applied to a 500kV disconnecting switch knife switch according to claim 7, wherein: a first ventilation slot hole (301b-2) is formed in the top of the first inner rod (301b), and a first gas flow channel (301a-1) communicated with the first ventilation slot hole (301b-2) is formed in the inner side wall of the first outer rod (301 a);
a second vent slot hole (302b-2) is formed in the top of the second inner rod (302b), and a second gas flow channel (302a-3) communicated with the second vent slot hole (302b-2) is formed in the inner side wall of the second outer rod (302 a).
9. The deicing protection device as set forth in claim 8, wherein: a first sealing boss (301a-2) matched with the first sliding groove (302a-2) is arranged at the top of the first outer rod (301a), and a second sealing boss (302a-4) matched with the second sliding groove (303b) is arranged at the top of the second outer rod (302 a);
the first sealing strip (301b-12) is attached to the inner wall of the first sliding groove (302a-2), and the second sealing strip (302b-12) is attached to the inner wall of the second sliding groove (303 b).
10. The deicing protection device as set forth in claim 9 applied to a 500kV disconnector switch, wherein: the telescopic unit (300) further comprises a tensioning piece (304) arranged in the fixed cylinder (402), wherein the tensioning piece (304) comprises a wire winding cylinder (304a) in rotating fit with the fixed cylinder (402), a rotating handle (304b) for driving the wire winding cylinder (304a) to rotate, and a steel wire pull rope (304c) wound on the wire winding cylinder (304a) and connected to the third rod (303).
Priority Applications (1)
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CN202111387771.7A CN114023591A (en) | 2021-11-22 | 2021-11-22 | Be applied to deicing protection device of 500kV isolator switch |
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CN202111387771.7A CN114023591A (en) | 2021-11-22 | 2021-11-22 | Be applied to deicing protection device of 500kV isolator switch |
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CN202111387771.7A Pending CN114023591A (en) | 2021-11-22 | 2021-11-22 | Be applied to deicing protection device of 500kV isolator switch |
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US5276286A (en) * | 1991-08-28 | 1994-01-04 | Gec Alsthom Energie Inc. | Exposed high voltage outdoor disconnector for operation under icing conditions |
CN109872916A (en) * | 2019-04-16 | 2019-06-11 | 中国电力工程顾问集团西南电力设计院有限公司 | Horizontal retractable double-fracture ice-melt disconnecting switch |
CN109887798A (en) * | 2019-04-16 | 2019-06-14 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of single ground connection combined type ice-melt disconnecting switch |
AR112546A1 (en) * | 2018-06-27 | 2019-11-13 | Carreras Jose Matias | MOBILE CELL FOR OPENING AND CLOSING THREE-PHASE CIRCUITS UNDER LOAD WITH SAFETY DEVICE FOR EARTHING FOR MEDIUM VOLTAGE AND METHOD OF USE |
CN213809015U (en) * | 2020-11-10 | 2021-07-27 | 华能河南中原燃气发电有限公司 | Lubricating oil transmission device based on temperature control |
CN113241648A (en) * | 2021-05-21 | 2021-08-10 | 贵州电网有限责任公司 | Transformer substation's isolator contact congeals processing apparatus |
CN113270289A (en) * | 2021-05-21 | 2021-08-17 | 贵州电网有限责任公司 | Isolating switch contact congeals processing apparatus based on multi-direction injection |
-
2021
- 2021-11-22 CN CN202111387771.7A patent/CN114023591A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US5276286A (en) * | 1991-08-28 | 1994-01-04 | Gec Alsthom Energie Inc. | Exposed high voltage outdoor disconnector for operation under icing conditions |
AR112546A1 (en) * | 2018-06-27 | 2019-11-13 | Carreras Jose Matias | MOBILE CELL FOR OPENING AND CLOSING THREE-PHASE CIRCUITS UNDER LOAD WITH SAFETY DEVICE FOR EARTHING FOR MEDIUM VOLTAGE AND METHOD OF USE |
CN109872916A (en) * | 2019-04-16 | 2019-06-11 | 中国电力工程顾问集团西南电力设计院有限公司 | Horizontal retractable double-fracture ice-melt disconnecting switch |
CN109887798A (en) * | 2019-04-16 | 2019-06-14 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of single ground connection combined type ice-melt disconnecting switch |
CN213809015U (en) * | 2020-11-10 | 2021-07-27 | 华能河南中原燃气发电有限公司 | Lubricating oil transmission device based on temperature control |
CN113241648A (en) * | 2021-05-21 | 2021-08-10 | 贵州电网有限责任公司 | Transformer substation's isolator contact congeals processing apparatus |
CN113270289A (en) * | 2021-05-21 | 2021-08-17 | 贵州电网有限责任公司 | Isolating switch contact congeals processing apparatus based on multi-direction injection |
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