CN108807064B - Easy maintenance split type high-voltage isolating switch - Google Patents
Easy maintenance split type high-voltage isolating switch Download PDFInfo
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- CN108807064B CN108807064B CN201810903656.2A CN201810903656A CN108807064B CN 108807064 B CN108807064 B CN 108807064B CN 201810903656 A CN201810903656 A CN 201810903656A CN 108807064 B CN108807064 B CN 108807064B
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- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 44
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 13
- 239000012212 insulator Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 6
- 230000005570 vertical transmission Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000002829 reductive effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 230000036961 partial effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an easy-maintenance split type high-voltage isolating switch, which comprises a horizontally arranged rectangular steel frame, wherein the rectangular steel frame is arranged along the left-right direction and is supported by a foundation rod, the upper ends and the middle parts of the steel frame are respectively provided with a strip-shaped base, the bases are arranged along the front-back direction, the front ends and the rear ends of the bases are respectively provided with a fixed contact post porcelain bottle extending upwards, the top surface of the bases are provided with fixed contacts and a grounding plate, the side surface of the middle part of the bases is provided with a moving contact post porcelain bottle extending downwards, the bottom of the bases is fixedly provided with a conducting rod extending forwards and backwards, the two ends of the conducting rod are respectively provided with a moving contact, the top of the moving contact post porcelain bottle is rotatably arranged on the bases through a rotating shaft, the rotating shaft is driven by a driving mechanism, the positions, corresponding to each fixed contact post porcelain bottle, on the steel frame are rotatably provided with grounding knife switches extending upwards, the grounding plates can be arranged in gate openings of the grounding knife switches, and the fixed contacts can be blocked in the moving contacts; the isolating switch can realize the heating treatment of the moving contact on the ground.
Description
Technical Field
The invention relates to a high-voltage isolating switch, in particular to an easy-maintenance split type high-voltage isolating switch.
Background
When the traditional GW4-126 type high-voltage isolating switch is overhauled, the contact surface of the static contact seat is heated and corroded seriously, the pressure of the moving contact finger spring is reduced, the heating is easy to cause, equipment is required to be in an overhauling state before overhauling, namely, power is required to be cut off at two sides of the isolating switch, personnel climb the isolating switch, overhauling treatment can be carried out, the bus is required to be overhauled for the isolating switch connected to the bus, namely, bus reversing operation is required to be carried out, a large amount of time and labor are consumed, and the risk of a power grid is increased when the bus is overhauled in a power failure mode.
Disclosure of Invention
Therefore, the invention aims to provide the easy-maintenance split type high-voltage isolating switch, which can enable the movable contact to rotate 180 degrees downwards along with the pillar porcelain insulator, so that the isolating switch can stand on the ground for defect treatment in a cold standby state of the circuit breaker without inverted bus overhaul, a large amount of manpower and operation time can be saved, and the stability of a power grid during overhaul is ensured.
The invention aims at realizing the following technical scheme:
the utility model provides an easy maintenance split fork type high voltage isolator, includes the rectangular steelframe that the level set up, rectangular steelframe sets up along controlling the direction, the steelframe is supported by the foundation bar, both ends and middle part are provided with the bar base respectively on the steelframe, the base sets up along the fore-and-aft direction, the front and back end is provided with upward extending's fixed contact pillar vase respectively on the base, the top surface of fixed contact pillar vase is provided with fixed contact and earth plate, fixed contact and earth plate extend to both sides respectively, be provided with downwardly extending's moving contact pillar vase on the base middle part side, the fixed conducting rod that is provided with a fore-and-aft direction extension in bottom of moving contact pillar vase, the conducting rod both ends are provided with the moving contact respectively, moving contact pillar vase top rotates through the pivot and sets up on the base, the pivot is driven by actuating mechanism, it is provided with upward extending's ground knife switch to correspond every fixed contact pillar vase department on the steelframe, the earth plate can be arranged in the gate of ground knife switch, the fixed contact can block in the moving contact.
Further, the front side and the rear side of the steel frame are respectively and horizontally provided with a transmission shaft, the grounding knife switch is fixedly arranged on the transmission shafts, and the transmission shafts are driven by the driving mechanism.
Further, the front end of pivot stretches to the steelframe front side, the front end of pivot is provided with the gear, is provided with long pull rod between steelframe front side left side gear and the middle part gear, the both ends of long pull rod are provided with the rack respectively, be provided with long pull rod between steelframe front side middle part gear and the right side gear, long pull rod both ends are provided with the rack respectively, the rack meshes with the gear mutually, and the rear end of one of them pivot is connected with actuating mechanism, and the opposite ends rack of two long pull rods sets up the upside at the middle part gear respectively.
Further, a supporting channel steel is fixed on the foundation rod and extends horizontally to one side, an electric operating mechanism box is fixed at the tail end of the supporting channel steel, an output shaft is arranged at the top of the electric operating mechanism box, a vertical transmission rod is connected with the output shaft, a driving bevel gear is arranged at the top of the transmission rod, and a driven bevel gear meshed with the driving bevel gear is arranged at the rear end of a rotating shaft.
Further, a coil spring is circumferentially wound on the top output shaft of the electric operating mechanism box.
Further, be fixed with two hand power operation ground sword mechanisms on the foundation pole, the top rotation of hand power operation ground sword mechanism is provided with the first transfer line that upwards extends, the lower part of first transfer line is provided with the handle, the top of first transfer line is provided with first initiative bevel gear, is provided with first gear on the front and back side transmission shaft respectively, is provided with a rack orientation groove that extends to the front side on the steelframe rear side, a first rack movable setting is in the rack orientation groove, the front end of first rack meshes with the first gear on the front transmission shaft, is provided with a rack orientation groove that extends to the rear side on the steelframe front side, and a first rack movable setting is in the rack orientation groove, the rear end of first rack meshes with the first gear on the rear transmission shaft, rack orientation groove downside is provided with the first driven bevel gear that meshes with first initiative bevel gear, first driven bevel gear cover is established on a gear shaft, the cover is equipped with the second gear that meshes with first rack on the gear shaft, fix on the gear shaft.
Further, a semicircular moon plate is vertically arranged at the right end of the rear transmission shaft, the rear end of the right rotating shaft extends to the rear side of the steel frame, a semicircular moon plate is vertically arranged at the rear end of the right rotating shaft, and the rear transmission shaft and the rotating shaft are interlocked through the moon plate; the left end of the left long pull rod is provided with an upward extending support plate, the top of the support plate is provided with a baffle plate extending to the rear side, and the front transmission shaft is interlocked with the rotating shaft through the baffle plate.
Further, the movable contact comprises a connector, a plurality of contact fingers extending leftwards or rightwards are respectively arranged on the front side and the rear side of the left end face or the right end face of the connector, and a plurality of tension springs are arranged between the front contact finger and the rear contact finger and close to the connector.
Further, the ends of the front contact finger and the rear contact finger at the uppermost side are provided with arc striking contact fingers extending leftwards or rightwards.
Still further, the rack is pressed against the gear by a circumferentially grooved rotating wheel, and the rack is movably disposed in a groove of the rotating wheel on a side facing away from the tooth surface.
The beneficial effects of the invention are as follows:
the easy-maintenance split type high-voltage isolating switch has the following advantages:
(1) After the isolating switch turns cold for standby, the moving contact with a complex structure turns downwards by 180 degrees, a worker can stand on the ground to process the heating of the moving contact, and the situation of the jamming of the contact finger can be easily processed;
(2) After the isolating switch is turned to be cold for standby, the electrified part is a static contact with a simple structure, and the structure of the conductive rod can not generate the defect that the contact finger spring of the traditional isolating switch static contact is soft and the movable part is blocked.
(3) And the contact seat is not arranged, so that the probability of defect occurrence is reduced.
(4) In daily inspection work, maintenance of the isolating switch is easy to realize.
(5) And the bus does not need to be stopped for maintenance, so that manpower and time are saved, and the risk of a power grid is reduced.
(6) The rotation and transmission parts of the isolating switch can be maintained on the ground and the defect treatment can be realized, so that the labor intensity of workers is reduced, and the isolating switch has good man-machine efficiency.
(7) Most of defect treatment of the isolating switch can be carried out on the ground, so that the risk of ascending operation is reduced.
(8) And an arc striking contact finger is added in the moving contact to ensure that the contact is contacted more reliably.
(9) Compared with the traditional isolating switch, preventive maintenance is easier to realize.
(10) Compared with other improved types of isolating switches, the invention has the advantage that the basic framework of the isolating switch is not required to be changed for the transformation of the old transformer substation.
(11) The energy storage coil spring of the output shaft of the electric mechanism is increased, potential energy of downward overturning of the movable contact pillar porcelain bottle is utilized to store energy for the coil spring, on one hand, switching-on energy can be provided, the output power of the motor is reduced, on the other hand, resistance at the tail end of the switching-off can be provided, the effect of switching-off buffering is achieved, and the switching-off is stable.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a right side schematic view of the present invention;
FIG. 3 is a left side schematic view of the present invention;
FIG. 4 is a schematic view of a partial structure of the rack and pinion engaged with the long tie rod at the front side of the steel frame in FIG. 1;
FIG. 5 is a schematic view of a partial structure of the coil spring of FIG. 1;
FIG. 6 is a schematic view of a partial structure of the connection of the components between the first drive rod and the rack in FIG. 1;
FIG. 7 is a schematic view of a partial structure of the rear drive shaft and the shaft of FIG. 1 interlocked by a clevis;
FIG. 8 is a schematic view of a partial structure of the front drive shaft and the spindle of FIG. 1 interlocked by a barrier;
fig. 9 is a schematic diagram of the moving contact structure in fig. 1.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
As shown in fig. 1-3, the easy-maintenance split type high-voltage isolating switch comprises a rectangular steel frame 1 which is horizontally arranged, wherein the rectangular steel frame 1 is arranged along the left-right direction, the steel frame 1 is supported by a foundation rod 2, two ends and the middle part of the steel frame 1 are respectively provided with a strip-shaped base 3, the base 3 is arranged along the front-back direction, the front end and the back end of the base 3 are respectively provided with a fixed contact post porcelain bottle 4 which extends upwards, the top surface of the fixed contact post porcelain bottle 4 is provided with a fixed contact 5 and a grounding plate 6, the fixed contact 5 and the grounding plate 6 extend towards two sides, the side surface of the middle part of the base 3 is provided with a moving contact post porcelain bottle 7 which extends downwards, the bottom of the moving contact post porcelain bottle 7 is fixedly provided with a conducting rod 8 which extends forwards and backwards, two ends of the conducting rod 8 are respectively provided with a moving contact 9, the top of the moving contact post porcelain bottle 7 is rotatably arranged on the base 3 through a rotating shaft 10, the rotating shaft 10 is driven by a driving mechanism, the front side and the back side of the steel frame 1 are respectively horizontally provided with a driving shaft 11, the position corresponding to each fixed contact post porcelain bottle 4 on the driving shaft 11 is fixedly provided with a grounding switch 12 which extends upwards, the driving shaft 11 is arranged in the ground contact post porcelain bottle 6, the driving shaft 11 is respectively, the driving shaft 11 is driven by the driving mechanism 6 by the driving mechanism, the driving shaft 6 and the movable contact post porcelain contacts 5 are arranged in the grounding switch and the grounding switch 5.
An interlocking mechanism is arranged between the transmission shaft 11 and the rotation shaft 10, namely, after the main knife is switched on, the grounding knife switch cannot be switched on, and after the grounding knife switch is switched on, the main knife cannot be switched on.
As shown in fig. 4, the front end of the rotating shaft 10 extends to the front side of the steel frame, the front end of the rotating shaft is provided with a gear 13, a long pull rod 14 is arranged between the left side gear on the front side of the steel frame 1 and the middle gear, racks 141 are respectively arranged at two ends of the long pull rod, a long pull rod 14 is arranged between the middle gear on the front side of the steel frame 1 and the right side gear, racks 141 are respectively arranged at two ends of the long pull rod, racks 141 are meshed with the gears 13, opposite end racks 141 of the two long pull rods 14 are respectively arranged on the upper side and the lower side of the middle gear, when the driving mechanism drives one rotating shaft 10 to rotate, as the gears 13 on the rotating shaft are meshed with the racks 141 of the long pull rod 14, all the gears 13 rotate, the rotating shaft 10 rotates when the gears 13 rotate, all the moving contact post porcelain 7 rotates relative to the base 1, the purpose of opening or closing is achieved, and when the moving contact post porcelain 7 rotates downwards to 180 degrees, the maintenance of the moving contact 9 is convenient.
As shown in fig. 6, a supporting channel steel is fixed on the base rod 2, and extends horizontally to one side, the end of the supporting channel steel is fixed with an electric operating mechanism box 15, the top of the electric operating mechanism box 15 is provided with an output shaft, a vertical transmission rod 162 is connected with the output shaft, the top of the transmission rod is provided with a driving bevel gear 16, the rear end of a rotating shaft 10 is provided with a driven bevel gear 161 meshed with the driving bevel gear 16, namely, when the output shaft of the electric operating mechanism box 15 rotates, the driving bevel gear 16 on the transmission rod can rotate, and then the driven bevel gear follows to rotate, and drives the moving contact pillar porcelain bottle 7 fixed on the rotating shaft 10 to rotate.
When the main knife is switched off, the moving contact post porcelain insulator 7 rotates towards the direction A in the figure relative to the steel frame 1, the driven bevel gear on the rotating shaft 10 rotates along with the rotation, the driving bevel gear 16 is driven to rotate, the transmission rod also rotates towards the direction B in the figure, the coil spring 17 stores energy at the moment, the next time of closing is easier, and the setting of the coil spring can buffer the rotating force of the moving contact post porcelain insulator.
As shown in fig. 6, a two-hand operated ground knife mechanism 18 is fixed on the base rod 2, the hand operated ground knife mechanism 18 is existing, which mainly transmits the opening and closing condition of the ground knife switch 12 to the monitoring background, the top of the hand operated ground knife mechanism 18 is rotatably provided with a first transmission rod 19 extending upwards, the lower part of the first transmission rod 19 is provided with a handle, the top of the first transmission rod 19 is provided with a first drive bevel gear 20, the front and rear transmission shafts 11 are respectively provided with a first gear 21, the rear side of the steel frame 1 is provided with a rack orientation groove 22 extending towards the front, a first rack 23 is movably arranged in the rack orientation groove 22, the front end of the first rack 23 is meshed with the first gear 21 on the front transmission shaft 10, the front side of the steel frame 1 is provided with a rack orientation groove 22 extending towards the rear, a first rack 23 is movably arranged in the rack orientation groove 22, the rear end of the first rack 23 is meshed with a first gear 21 on the rear transmission shaft 10, a first driven bevel gear meshed with the first driving bevel gear 20 is arranged at the lower side of the rack orientation groove 22, the first driven bevel gear is sleeved on a gear shaft 212, a second gear 211 meshed with the first rack 23 is sleeved on the gear shaft, the gear shaft is arranged on the steel frame 1, a handle is held by hand to enable the first transmission rod 19 to rotate relative to the hand operated knife mechanism 18, the first driving bevel gear 20 at the top of the first transmission rod 19 transmits rotation force to the first driven bevel gear, the first driven bevel gear drives the gear shaft to rotate, the second gear on the gear shaft drives the first rack 23 to move, the two first transmission rods 19 respectively drive the two first racks 23 to move, the two first racks 23 respectively mesh with the first gears 21 on the front transmission shaft 10 and the rear transmission shaft 10 to enable the transmission shaft 10 to rotate, the switch-on and switch-off of the grounding switch 12 is realized.
As shown in fig. 7, a semicircular moon plate 64 is vertically disposed on the right end of the rear transmission shaft 10, the arc surface of which is located at the rear side or the lower side, the rear end of the right rotation shaft extends to the rear side of the steel frame, a semicircular moon plate 64 is vertically disposed on the rear end of the right rotation shaft, the arc surface of which is located at the right side or the lower side, the rear transmission shaft and the rotation shaft are interlocked by the moon plate, and the moon plate interlocking principle is as follows: as shown in fig. 8, when the grounding switch 12 is closed, the moon plate on the transmission shaft 11 is in the state in the drawing, if the main switch is rotated, the closing cannot be realized due to the action of the moon plate on the rotation shaft 10, otherwise, when the main switch is closed, the grounding switch 12 is positioned at the lower side of the transmission shaft 11, and the grounding switch 12 cannot be closed due to the action of the moon plate on the transmission shaft 11; the left end of the left long pull rod 14 is provided with an upward extending supporting plate 24, the top of the supporting plate is provided with a baffle plate extending to the rear side, and the front transmission shaft 10 and the rotating shaft 10 are interlocked through the baffle plate, so that the baffle plate interlocking principle is as follows: the grounding switch 12 is closed, the state is shown in the figure, at this moment, if the main knife rotates in the direction A, then the gear 13 on the rotating shaft 10 follows the rotation, the rack 141 meshed with the gear 13 moves in the direction C, but the grounding switch 12 can block the baffle, the rack 141 can not move continuously, namely the main knife can not be closed, and the closing is realized, otherwise, when the grounding switch 12 is positioned at the lower side of the transmission shaft after the main knife is closed, the grounding switch 12 can not rotate upwards due to the action of the baffle, and the closing is realized.
As shown in fig. 9, the moving contact includes a connector, front and rear sides on a left end face or a right end face of the connector are respectively provided with a plurality of contact fingers 91 extending leftwards or rightwards, a distance between the front and rear side contact fingers is gradually increased in a process of being far away from the connector, a plurality of tension springs 93 are arranged between the front and rear contact fingers and near the connector, preferably, the tail ends of the front and rear contact fingers at the uppermost side are provided with arc striking contact fingers 92 extending leftwards or rightwards, and the distance between the front and rear side arc striking contact fingers is gradually increased in a process of being far away from the connector, so that other contact fingers can be protected from being burnt by electric arcs.
The rack is pressed against the gear wheel 13 by a rotating wheel 25 with a circumferential groove, and is movably arranged in the groove of the rotating wheel 25 at the side away from the tooth surface, so that the rack can be prevented from being separated from the gear wheel.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, 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 and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (8)
1. Easy maintenance split type high voltage isolation switch, its characterized in that: the movable contact column porcelain insulator comprises a rectangular steel frame which is horizontally arranged, wherein the rectangular steel frame is arranged in the left-right direction and is supported by a foundation rod, strip-shaped bases are respectively arranged at the two ends and the middle part of the steel frame, the bases are arranged in the front-back direction, fixed contact column porcelain insulators which extend upwards are respectively arranged at the front end and the rear end of the bases, fixed contacts and grounding plates are arranged on the top surfaces of the fixed contact column porcelain insulators, the fixed contacts and the grounding plates extend towards two sides respectively, a movable contact column porcelain insulator which extends downwards is arranged on the side surface of the middle part of the base, a conducting rod which extends forwards and backwards is fixedly arranged at the bottom of the movable contact column porcelain insulator, movable contacts are respectively arranged at the two ends of the conducting rod, the top of each movable contact column porcelain insulator is rotatably arranged on the bases through a rotating shaft, the rotating shaft is driven by a driving mechanism, a grounding knife switch which extends upwards is respectively arranged at the positions of each fixed contact column porcelain insulator on the steel frame, the grounding plates can be arranged in a gate of the grounding knife switch, and the fixed contacts can be blocked in the movable contacts; the front side and the rear side of the steel frame are respectively and horizontally provided with a transmission shaft, the grounding disconnecting link is fixedly arranged on the transmission shafts, and the transmission shafts are driven by a driving mechanism;
a semicircular moon plate is vertically arranged at the right end of the rear transmission shaft, the rear end of the right rotating shaft extends to the rear side of the steel frame, a semicircular moon plate is vertically arranged at the rear end of the right rotating shaft, and the rear transmission shaft and the rotating shaft are interlocked through the moon plate; the left end of the left long pull rod is provided with an upward extending support plate, the top of the support plate is provided with a baffle plate extending to the rear side, and the front transmission shaft is interlocked with the rotating shaft through the baffle plate.
2. The easy maintenance split high voltage isolator of claim 1, wherein: the front end of the rotating shaft stretches to the front side of the steel frame, a gear is arranged at the front end of the rotating shaft, a long pull rod is arranged between the left gear at the front side of the steel frame and the middle gear, racks are respectively arranged at two ends of the long pull rod, a long pull rod is arranged between the middle gear at the front side of the steel frame and the right gear, racks are respectively arranged at two ends of the long pull rod, the racks are meshed with the gears, a driving mechanism is connected at the rear end of one rotating shaft, and racks at opposite ends of the two long pull rods are respectively arranged at the upper side and the lower side of the middle gear.
3. The easy maintenance split high voltage isolator of claim 1, wherein: the support channel steel is fixed on the foundation rod and extends horizontally to one side, the tail end of the support channel steel is fixedly provided with an electric operating mechanism box, the top of the electric operating mechanism box is provided with an output shaft, a vertical transmission rod is connected with the output shaft, the top of the transmission rod is provided with a driving bevel gear, and the rear end of a rotating shaft is provided with a driven bevel gear meshed with the driving bevel gear.
4. The easy maintenance split high voltage isolator of claim 3, wherein: the top output shaft of the electric operating mechanism box is circumferentially wound with a coil spring.
5. The easy maintenance split high voltage isolator of claim 1, wherein: the utility model discloses a power transmission device, including base rod, rack orientation groove, rack, steel frame, driving bevel gear, rack orientation groove, rack, gear shaft, rack shaft and the foundation rod is fixed with two hand power operation ground sword mechanisms on the base rod, the top rotation of hand power operation ground sword mechanism is provided with the first transfer line that upwards extends, the lower part of first transfer line is provided with the handle, the top of first transfer line is provided with first driving bevel gear, is provided with first gear on the front and back side transmission shaft respectively, is provided with a rack orientation groove that extends to the front side on the steel frame rear side, a first rack movable setting is in rack orientation groove, the rear end of first rack meshes with the first gear on the back transmission shaft, rack orientation groove downside is provided with the first driven bevel gear that meshes with first driving bevel gear, the first driven sleeve is established on a gear shaft, the cover is equipped with the second gear that meshes with first rack on the gear shaft, the gear shaft sets up on the gear shaft.
6. The easy maintenance split high voltage isolator of claim 1, wherein: the movable contact comprises a connector, a plurality of contact fingers extending leftwards or rightwards are respectively arranged on the front side and the rear side of the left end face or the right end face of the connector, and a plurality of tension springs are arranged between the front contact finger and the rear contact finger and close to the connector.
7. The easy maintenance split high voltage isolator of claim 6, wherein: the tail ends of the front contact finger and the rear contact finger at the uppermost side are provided with arc striking contact fingers extending leftwards or rightwards.
8. The easy maintenance split high voltage isolator of claim 2, wherein: the rack is pressed on the gear by a rotating wheel with a circumferential groove, and the rack is movably arranged in the groove of the rotating wheel at the side away from the tooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903656.2A CN108807064B (en) | 2018-08-09 | 2018-08-09 | Easy maintenance split type high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903656.2A CN108807064B (en) | 2018-08-09 | 2018-08-09 | Easy maintenance split type high-voltage isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108807064A CN108807064A (en) | 2018-11-13 |
| CN108807064B true CN108807064B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810903656.2A Active CN108807064B (en) | 2018-08-09 | 2018-08-09 | Easy maintenance split type high-voltage isolating switch |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017900B (en) * | 2020-08-31 | 2022-08-26 | 国家电网有限公司 | Isolation switch |
| CN117316700B (en) * | 2023-09-25 | 2024-07-26 | 国网安徽省电力有限公司来安县供电公司 | Pole-mounted disconnector equipment for overhead lines in distribution networks |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208853A (en) * | 1968-04-03 | 1970-10-14 | S & C Electric Co | High voltage switch having auxiliary latch operating means for the current interrupter |
| CN2426206Y (en) * | 2000-03-01 | 2001-04-04 | 北京开关厂通用电气自动化研究所 | Vacuum load isolation switch |
| CN201112252Y (en) * | 2007-09-29 | 2008-09-10 | 平高集团华供电器有限公司 | Outdoor three-column type high voltage alternating current isolating switch |
| CN102486978A (en) * | 2010-12-01 | 2012-06-06 | 陈家斌 | Combined electrical isolating switch and grounding switch |
| CN104752090A (en) * | 2013-12-28 | 2015-07-01 | 哈尔滨理大晟源科技开发有限公司 | High-voltage disconnecting switch convenient to maintain |
| CN208580692U (en) * | 2018-08-09 | 2019-03-05 | 贵州电网有限责任公司 | Split formula high voltage isolator easy to maintain |
-
2018
- 2018-08-09 CN CN201810903656.2A patent/CN108807064B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208853A (en) * | 1968-04-03 | 1970-10-14 | S & C Electric Co | High voltage switch having auxiliary latch operating means for the current interrupter |
| CN2426206Y (en) * | 2000-03-01 | 2001-04-04 | 北京开关厂通用电气自动化研究所 | Vacuum load isolation switch |
| CN201112252Y (en) * | 2007-09-29 | 2008-09-10 | 平高集团华供电器有限公司 | Outdoor three-column type high voltage alternating current isolating switch |
| CN102486978A (en) * | 2010-12-01 | 2012-06-06 | 陈家斌 | Combined electrical isolating switch and grounding switch |
| CN104752090A (en) * | 2013-12-28 | 2015-07-01 | 哈尔滨理大晟源科技开发有限公司 | High-voltage disconnecting switch convenient to maintain |
| CN208580692U (en) * | 2018-08-09 | 2019-03-05 | 贵州电网有限责任公司 | Split formula high voltage isolator easy to maintain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108807064A (en) | 2018-11-13 |
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