CN112185747A - Outdoor AC high-voltage isolating switch - Google Patents
Outdoor AC high-voltage isolating switch Download PDFInfo
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- CN112185747A CN112185747A CN202011172279.3A CN202011172279A CN112185747A CN 112185747 A CN112185747 A CN 112185747A CN 202011172279 A CN202011172279 A CN 202011172279A CN 112185747 A CN112185747 A CN 112185747A
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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
- H01H31/023—Base and stationary contacts mounted thereon
-
- 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
Abstract
The invention belongs to the technical field of high-voltage isolating switches, in particular to an outdoor alternating-current high-voltage isolating switch, which comprises a steel support upright post, wherein the top of the steel support upright post is fixedly connected with a channel steel, the upper part of the channel steel is rotatably connected with a shaft assembly ligand, a post insulator is fixedly connected on the shaft assembly ligand, the upper end of the post insulator is fixedly connected with a fixed seat, the upper part of the fixed seat is fixedly connected with a rainproof cover, a phase and phase transmission connecting rod and a phase and phase transmission connecting rod are fixedly connected between the shaft assembly ligand on the channel steel, a ground cutter clamp is fixedly connected between the shaft assembly ligand on the channel steel, one end of the ground cutter clamp is fixedly connected with the upper end of a water gas pipe, the lower end of the water gas pipe is fixedly connected with a manual mechanism through a manual mechanism clamp, a wiring board is fixedly connected on the post insulator, the contact finger is fixedly connected with a plurality of contacts. The invention has simple and reasonable structure and long service life. The operation is stable.
Description
Technical Field
The invention relates to the technical field of high-voltage isolating switches, in particular to an outdoor alternating-current high-voltage isolating switch.
Background
The isolating switch is commonly called as a knife switch, is one of the most used high-voltage switch electric appliances, and plays an isolating role in a circuit. The working principle and the structure of the device are simple, but the device has high requirements on working reliability due to large usage amount, and has large influence on the design, the establishment and the safe operation of a substation and a power plant. The main characteristic of the knife switch is that it has no arc-extinguishing ability, and can only open and close the circuit under the condition of no load current.
Currently, the GW4(35kV-110kV) disconnecting switch used in the power system still has many disadvantages in use:
1. the upper conductive part has poor durability, and is fatigued because the contact finger spring is in a pulled state for a long time, and water enters the middle contact finger, so that the spring is rusted seriously to cause the pressure drop of the contact finger, the contact resistance rises to cause overheating, the temperature rise of the upper conductive part is increased, the original strip-shaped contact finger is polluted by atmosphere when being in a brake-separating state for a long time, and a covering layer with higher resistivity is formed on a contact surface due to surface oxidation and dirt action, so that the contact is overheated after being switched on;
2. the rectangular copper pipe at the upper conductive part has poor heat dissipation performance and high cost, and other parts are easy to rust due to water accumulation;
3. the upper conductive contact is cast with red copper, so that the heat dissipation performance is poor, the cost is high, and the temperature rise is easily caused;
4. the lower transmission connecting rod part is connected by threads, so that the lower transmission connecting rod part is easy to rust, and the normal use of the switch is influenced due to the difficulty in maintenance;
5. the grounding knife shaft sleeve is easy to rust, the cost is high, other parts are easy to rust due to water accumulation, and the operation is failed;
6. the transmission bearing of the isolating switch is easy to rust and clamp, the cost is high, other parts are easy to rust due to water accumulation, and the operation is not good;
7. the ground cutter transmission connecting rod part is connected with the joint by a key, the processing technology is complex, the key groove is easy to rust, the maintenance is difficult, and the normal use of the switch is influenced;
8. after the main knife is vertically extended to the condensation brake, the moving contact and the static contact are easy to cause automatic tripping when the switch is opened, and the normal use of the switch is influenced due to the difficulty in maintenance;
9. the transmission connecting rod parts of the mechanism are connected by pins, the gap is large, the opening and closing are not in place, the maintenance is difficult, and the normal use of the switch is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an outdoor alternating-current high-voltage isolating switch, which solves the problems existing in the prior use process.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an outdoor alternating-current high-voltage isolating switch comprises a steel support stand column, wherein the top of the steel support stand column is fixedly connected with a channel steel, the upper part of the channel steel is rotatably connected with a shaft assembly body, a post insulator is fixedly connected onto the shaft assembly body, the upper end of the post insulator is fixedly connected with a fixing seat, the upper part of the fixing seat is fixedly connected with a rainproof cover, a fixed connection phase and a phase transmission connecting rod are arranged between two adjacent shaft assembly bodies, a ground cutter clamp is fixedly connected between the shaft assembly bodies on the channel steel, one end of the ground cutter clamp is fixedly connected with the upper end of a water gas pipe, the lower end of the water gas pipe is fixedly connected with a manual mechanism through a manual mechanism clamp, a wiring board is fixedly connected onto the post insulator on the upper part of the channel steel, a conductive pipe is fixedly connected onto the wiring board on the front side of, the contact finger is fixedly connected with a plurality of contacts.
According to a preferable technical scheme, mounting plates are welded on the top and the bottom of the steel support upright in a uniform mode, bolt holes distributed in an annular array are formed in the mounting plates, foundation bolts are inserted in the bolt holes in the mounting plates at the bottoms of the steel support uprights, and the foundation bolts are embedded in pouring concrete of a foundation.
As a preferred technical scheme of the invention, the manual mechanism is fixedly connected with the bracket hoop through a manual mechanism mounting bracket, and the bracket hoop is fixedly sleeved on the outer wall of the steel bracket upright post.
As a preferable technical scheme of the invention, the rainproof cover is arranged at the upper part of the position of the wiring board, the whole rainproof cover is covered on the wiring board, and the wiring board is provided with a bolt hole for wiring.
The invention relates to a preferable technical scheme, wherein the phase-phase and phase-phase transmission connecting rod comprises two fastening bolts, end connecting lugs, a connecting rod body and an internal thread steel pipe, the two connecting rod bodies are distributed at two ends of the internal thread steel pipe, the end parts of the connecting rod body, which are positioned outside the internal thread steel pipe, are fixedly connected with the end connecting lugs, the connecting rod body is tightly connected with the internal thread steel pipe through the fastening bolts, and the connecting rod body is fixedly connected with a transmission crank arm through a rod piece joint.
The ground cutter clamping piece comprises a connecting piece, a supporting piece, a stainless steel sleeve, a spring, a shaft and an oilless bearing, wherein the shaft is fixedly connected to the channel steel through the supporting piece, the stainless steel sleeve and the oilless bearing are sleeved at the connecting part of the channel steel and the channel steel, the stainless steel sleeve is sleeved outside the oilless bearing, a stop is sleeved on the shaft at the oilless bearing part, the spring is sleeved on the shaft, the connecting piece is sleeved on the shaft, and the shaft is fixedly connected with the connecting rod body through a connector.
As a preferred technical scheme of the invention, the shaft assembly body consists of a shaft body, an upper sealing ring, a bearing, a type sealing ring and a sealing cover, wherein the shaft body is rotatably connected with the upper part of the bearing through the upper sealing ring, the lower part of the bearing is fixedly connected with the sealing cover, and the type-0 sealing ring is arranged between the lower part of the bearing and the sealing cover.
As a preferred technical scheme of the invention, the contact consists of a guide plate, a main contact finger and a contact finger external pressure spring, wherein the contact finger external pressure spring is sleeved outside the main contact finger, and the guide plate is fixedly connected to the end part of the main contact finger.
(III) advantageous effects
Compared with the prior art, the invention provides an outdoor alternating-current high-voltage isolating switch, which has the following beneficial effects:
1. the isolating switch has the advantages that the upper conductive contact finger is made of original common copper materials and is formed by molding chromium bronze materials instead, the materials have the characteristics of high elasticity, high melting point and the like, the appearance of the contact finger is changed from an original strip-shaped contact finger into a finger-shaped contact finger, after the original line contact design is changed into a point contact design, the contact finger has self-cleaning capability, and the problem that the loop resistance is increased due to the fact that a spring is heated and the contact finger is polluted is effectively solved.
2. According to the isolating switch, the original rectangular copper pipe is improved into the groove-shaped copper pipe formed by folding the common red copper plate at the upper conductive part to form the conductive pipe, the conductive skin effect principle is effectively and reasonably applied, the cost is reduced, the radiating performance is greatly improved on the original basis, and the temperature rise is greatly reduced.
3. According to the isolating switch, the upper conductive contact is formed by molding the original cast red copper instead of a common red copper plate, so that the heat dissipation area is increased, and the cost is reduced. Because the contact is cast with red copper as a whole, the contact surface of the contact is easy to burn exposed copper when the material is soft and the switch is frequently opened and closed, and the copper material can not be annealed and has high hardness by stamping and forming the contact by using a sheet material. The contact is hollow in the middle, the heat dissipation area is large, the principle of the conductive skin effect is effectively and reasonably applied, the cost is reduced, and the contact has the advantages that the heat dissipation performance is greatly improved on the original basis, the temperature rise is greatly reduced, and the like.
4. This isolator, lower transmission connecting rod part is changed into by circular steel tube internal thread lug connection by original external screw thread connection, the corrosion of screw thread in long-term operation has been avoided, influence performance, because in the screw thread accommodation process, original hot-galvanize coating suffers destruction on the connecting rod, can the corrosion in the short time, lead to the switch and maintain the difficulty and adjust dumb, change into pipe internal thread connection now, adjust length through outer silk hot-galvanize bolt, and is simple and convenient, effective and reasonable solution screw thread corrosion phenomenon, the cost remains unchanged, isolator's life has been prolonged greatly.
5. This isolator, the original nylon cover of earthing knife handle is improved into and is formed by stainless steel cover and alloy oilless bearing combination, and the material is not rusty after the improvement, and the transmission is not stung, and the action is nimble to have increased life, and effective and reasonable application has reduced the phenomenon of dying with the material combination bonding principle, has the effect that stainless steel axle sleeve and alloy oilless bearing never adhered, greatly reduced transmission shortcoming such as malfunctioning.
6. According to the isolating switch, the original one-way sealing is improved into the mode of being formed by two-way sealing waterproof combination by the shaft-mounted ligand, the improved material is not rusted, the transmission is not seized, the action is flexible, the service life is prolonged, the multi-way sealing principle is effectively and reasonably applied, the seizing phenomenon is reduced, the isolating switch has the waterproof and dustproof effects, and the defects of transmission failure and the like are greatly reduced.
7. This isolator, earthing switch transmission connecting rod part is changed into by connecting lug connection by original square key articulate, avoided because of the keyway corrosion in long-term operation, the big not good influence performance of synchronism in clearance, because square key connects in the accommodation process, original keyway hot galvanizing coat suffers destruction on the earthing switch axle, can the corrosion in the short time, lead to the switch and maintain the difficulty and adjust the dumb, change joint and plane lug connection now into, synchronism is good, and is simple and convenient, effective and reasonable solution the keyway rust the processing technology complicacy, the good phenomenon of synchronism, the cost remains unchanged, isolator's life has been prolonged greatly.
8. According to the isolating switch, the original non-skid device of the fixed contact and the movable contact of the upper conductive part is changed into the conductive movable and static contact belt tripping device, the problem that the interlocking is unreliable to influence the use performance due to automatic tripping in long-term operation is avoided, the problems that locking is unreliable and the clamping force is low and bad are effectively and reasonably solved, the cost is kept unchanged, and the service life of the isolating switch is greatly prolonged.
9. According to the isolating switch, the original pin connection of the mechanism transmission connecting rod part is changed into the direct connection of the joint, so that the influence on the use performance due to the large clearance and poor synchronism of the pin hole in long-term operation is avoided. Because in the pin joint accommodation process, original hole atress suffers destruction on the mechanism connecting rod, can the corrosion in the short time, and the aperture increase leads to the switch to maintain the difficulty and adjust inflexibly, changes into now and connects with plane lug connection, and the synchronism is good, and is simple and convenient, and effective and reasonable solution the clearance big, the synchronism can not the position phenomenon of opening and shutting well, and the cost remains unchanged, has prolonged isolator's life greatly.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of a portion of the present invention;
FIG. 4 is a schematic view of the present phase transmission link structure;
FIG. 5 is a block diagram of the components of the ground blade holder of the present invention;
FIG. 6 is a schematic diagram of the structure of the spindle mounted ligand of the present invention;
FIG. 7 is a schematic view of a partial connection of the shaft to the connecting rod body according to the present invention;
FIG. 8 is a partial schematic view of a contact according to the present invention;
FIG. 9 is a schematic view of a partial connection between a connecting rod body and a transmission crank arm according to the present invention.
In the figure: 1. a rain cover; 2. a ground cutter clamp; 201. a linkage member; 202. a support member; 203. a stainless steel sleeve; 204. a spring; 205. a shaft; 206. an oilless bearing; 207. a connector; 3. a phase and phase transmission link; 301. fastening a bolt; 302. the end head is connected with the lug; 303. a connecting rod body; 304. an internal thread steel pipe; 305. a rod member joint; 4. a steel bracket upright post; 5. a water gas pipe; 6. channel steel; 7. a manual mechanism clamp; 8. a manual mechanism; 9. anchor bolts; 10. a manual mechanism mounting bracket; 11. a bracket hoop; 12. a fixed seat; 13. a post insulator; 14. assembling the ligand by a shaft; 1401. a shaft body; 1402. an upper sealing ring; 1403. a bearing; 1404. a type 0 seal ring; 1405. sealing the cover; 15. a conductive tube; 16. a contact finger; 17. a contact; 1701. a guide plate; 1702. a primary finger; 1703. a finger external pressure spring; 18. a wiring board; 19. the phase transmission connecting rod; 20. and a transmission crank arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-9, the present invention provides the following technical solutions: an outdoor alternating-current high-voltage isolating switch comprises a steel support upright post 4, wherein the top of the steel support upright post 4 is fixedly connected with a channel steel 6, the upper part of the channel steel 6 is rotatably connected with a shaft-mounted ligand 14, the shaft-mounted ligand 14 is fixedly connected with a post insulator 13, the upper end of the post insulator 13 is fixedly connected with a fixed seat 12, the upper part of the fixed seat 12 is fixedly connected with a rainproof cover 1, a phase-phase transmission connecting rod 3 and a phase-phase transmission connecting rod 19 are fixedly connected between two adjacent shaft-mounted ligands 14, a ground knife clamp 2 is fixedly connected between the shaft-mounted ligands 14 on the channel steel 6, one end of the ground knife clamp 2 is fixedly connected with the upper end of a gas pipe 5, the lower end of the gas pipe 5 is fixedly connected with a manual mechanism 8 through a manual mechanism clamp 7, a wiring board 18 is fixedly connected on the post insulator 13 on the upper part of the channel steel 6, an original rectangular copper pipe, the common copper plate is obviously lower than the formed copper pipe, the utilization rate of the copper material is higher, the conductive part is not easy to accumulate water after improvement, the rest parts are ensured not to rust, the principle of conductive skin effect is effectively and reasonably applied, the cost is reduced, the heat dissipation performance is greatly improved on the original basis, the temperature rise is greatly reduced, and the like, the wiring board 18 is fixedly connected with the fixed seat 12 by using an M12 stainless steel bolt, conductive paste is uniformly arranged on the contact surface of the conductive tube 15 and the flexible wiring, the other end of the flexible wiring is fixed by using an M8 stainless steel bolt and connected with the wiring board 18, the heat dissipation performance of the conductive part is effectively improved by adopting the structure, the temperature rise is reduced, the conductive tube 15 is fixedly connected on the wiring board 18 on the front side of the upper part of the channel steel 6, the copper material 18 on the rear side is fixedly connected with a contact finger 16, the contact finger 16 is fixedly connected with a plurality of contacts, the touch finger 16 is formed by a chromium bronze material instead, the material has the characteristics of high elasticity, high melting point and the like, the appearance of the touch finger 16 is changed from an original strip-shaped touch finger to a finger-shaped touch finger, the original line contact design is changed into a point contact design, and the touch finger 16 has self-cleaning capability; the contact finger 16 is uniformly coated with conductive paste, a brass washer and a spring leaf are pressed on the contact finger 16 and fixedly connected by an M6 stainless steel bolt, the spring leaf is also called a magnetic conduction sheet, the eddy current formed at the upper conductive contact part is effectively avoided, the contact finger 16 is made of chromium bronze, has good elasticity, high melting point and hard material, has self clamping force when opening and closing are clamped, the material returns to the original shape after opening and closing, the deformation is small, the durability and the stability of the isolating switch are improved, the contact 17 is formed by changing the original cast red copper into a common red copper plate, the heat dissipation area is improved, the cost is reduced, the contact 17 is integrally cast with the red copper, the contact surface of the contact 17 is easy to burn exposed copper when the opening and closing times of the switch are frequent due to the soft material, the contact 17 is punched and formed by the plate, copper material can not anneal, hardness is high, the middle of contact 17 is hollow, heat radiating area is large, effective and reasonable application the principle of conductive skin effect, the cost is reduced, heat radiating performance is greatly improved on the original basis, the temperature rise is greatly reduced, and the like, the contact surface of conductive tube 15 and contact 17 is uniformly coated with conductive paste, the length of contact 17 can be adjusted through a long hole on contact 17, the assembly and debugging are convenient and simple, the structure is adopted to effectively improve the heat radiating performance of a conductive part, the temperature rise is reduced, and the durability and the stability of the isolating switch are improved.
Specifically, the top and the bottom of the steel support stand column 4 are welded with mounting plates in a uniform mode, bolt holes distributed in an annular array mode are formed in the mounting plates, foundation bolts 9 are inserted into the bolt holes in the mounting plates at the bottom of the steel support stand column 4, the foundation bolts 9 are embedded in the pouring concrete of the foundation, and the assembling stability is improved.
Specifically, the manual mechanism 8 is fixedly connected with a bracket hoop 11 through a manual mechanism mounting bracket 10, and the bracket hoop 11 is fixedly sleeved on the outer wall of the steel bracket upright post 4.
Specifically, rain-proof cover 1 sets up the upper portion in wiring board 18 position department, and rain-proof cover 1 whole lid is established on wiring board 18, has seted up the bolt hole that the wiring was used on wiring board 18.
Specifically, the phase-phase transmission connecting rod 3 consists of two fastening bolts 301, end connecting lugs 302, a connecting rod body 303 and an internal thread steel pipe 304, the two connecting rod bodies 303 are distributed at two ends of the internal thread steel pipe 304, the end parts of the connecting rod body 303, which are positioned outside the internal thread steel pipe 304, are fixedly connected with the end connecting lugs 302, the connecting rod body 303 is tightly connected with the internal thread steel pipe 304 through the fastening bolts 301, the connecting rod body 303 is fixedly connected with the transmission crank arm 20 through a rod piece connector 305, the original pin connection is changed into the direct connection through the rod piece connector 305, the problem that the service performance is influenced due to the fact that the gap is large and the synchronism is poor in long-term operation due to the fact that the original holes in the mechanism connecting rod are damaged due to stress in the pin connection adjusting process, the original holes in the mechanism connecting rod can be corroded in a short time, the hole diameter is increased to lead to, the synchronism is good, the simplicity and convenience are realized, the effective and reasonable clearance of having solved is big, the synchronism is not good to open and shut the dislocation phenomenon, the cost remains unchanged, isolator's life has been prolonged greatly, the transmission connecting rod part is changed into by circular steel pipe internal thread lug connection by original external screw thread connection, the screw thread corrosion in long-term operation has been avoided, influence performance, because in the screw thread accommodation process, original hot galvanizing coat suffers destruction on the connecting rod, can corrosion in the short time, lead to the switch and maintain the difficulty and adjust dumb, change into pipe internal thread connection now, adjust length through outer silk hot-galvanize bolt, the simplicity and convenience is realized, effective and reasonable solution screw thread corrosion phenomenon, the cost remains unchanged, isolator's life has been prolonged greatly.
Specifically, the ground knife holder 2 comprises a coupling member 201, a support member 202, a stainless steel sleeve 203, a spring 204, a shaft 205 and an oilless bearing 206, wherein the shaft 205 is fixedly connected to the channel steel 6 through the support member 202, the stainless steel sleeve 203 and the oilless bearing 206 are sleeved at the connecting part of the two, the stainless steel sleeve 203 is sleeved outside the oilless bearing 206, a stopper is sleeved on the shaft 205 at the position of the oilless bearing 206, the spring 204 is sleeved on the shaft 205, the coupling member 201 is sleeved on the shaft 205, the shaft 205 is fixedly connected with the connecting rod body 303 through a connector 207, the grounding knife changes the original nylon sleeve into a combination of the stainless steel sleeve 203 and the alloy oilless bearing 206, the improved material is not rusty, the transmission is not seized, the action is flexible, the service life is prolonged, the bonding principle of the same material combination is effectively and reasonably applied, the seizing phenomenon is reduced, and the ground knife has the effect that the stainless steel sleeve 203 and the alloy, greatly reduced the shortcoming such as transmission failure to change into by the joint lug connection original square key articulate, avoided because of the keyway rust in long-term operation, the big not good performance that affects of synchronism in clearance, because square key joint accommodation process, original keyway hot galvanizing coat suffers destruction on the ground arbor, can rust in the short time, lead to the switch and maintain the difficulty and adjust the inflexible, change joint and plane lug connection now into, synchronism is good, and is simple and convenient, the effective and reasonable solution keyway rusts the processing technology complicacy, the not good phenomenon of synchronism, the cost keeps unchangeable, isolator's life has been prolonged greatly.
Specifically, the shaft assembly 14 comprises a shaft body 1401, an upper seal ring 1402, a bearing 1403, a 0-type seal ring 1404 and a seal cover 1405, the shaft body 1401 is rotatably connected with the upper part of the bearing 1403 through the upper seal ring 1402, the lower part of the bearing 1403 is fixedly connected with the seal cover 1405, the 0-type seal ring 1404 is installed between the lower part of the bearing 1403 and the seal cover 1405, the bearing 1403 is coated with two-fluidized molybdenum lithium-based lubricating grease, the original one-way sealing of the shaft assembly 14 is improved into two-way sealing waterproof combination, the improved material is not rusted, the transmission is not seized, the service life is flexibly increased through action, the multi-way sealing principle is effectively and reasonably applied, the seizing phenomenon is reduced, the shaft assembly has the waterproof and dustproof effects, and the defects of transmission failure and the like.
Specifically, the contact 17 is composed of a guide plate 1701, a main contact finger 1702 and a contact finger external pressure spring 1703, the contact finger external pressure spring 1703 is sleeved outside the main contact finger 1702, the guide plate 1701 is fixedly connected to the end part of the main contact finger 1702, a static contact and a movable contact in an upper conductive component assembly are changed into an upper conductive movable and static contact belt tripping device from an original non-skid device, the problem that the service performance is influenced by unreliable interlocking due to automatic tripping in long-term operation is avoided, the problems that the locking is unreliable, the clamping force is low and poor and the cost is kept unchanged due to automatic tripping in long-term operation are effectively and reasonably solved, and the service life of the isolating switch is greatly prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an outdoor interchange high voltage isolator, includes steel support stand (4), its characterized in that: the top fixedly connected with channel-section steel (6) of steel support stand (4), the upper portion of channel-section steel (6) rotates and is connected with axle dress ligand (14), fixedly connected with post insulator (13) on axle dress ligand (14), upper end fixed connection fixing base (12) of post insulator (13), rain-proof cover of upper portion fixed connection (1) of fixing base (12), fixed connection looks transmission connecting rod (3) and this looks transmission connecting rod (19) between two adjacent axle dress ligands (14), fixedly connected with earthing knife folder (2) between axle dress ligand (14) on channel-section steel (6), the one end and the coal gas pipe (5) upper end fixed connection of earthing knife folder (2), the lower extreme of coal gas pipe (5) passes through hand mechanism folder (7) and hand mechanism (8) fixed connection, fixedly connected with wiring board (18) on post insulator (13) on channel-section steel (6) upper portion, the contact device is characterized in that a conductive tube (15) is fixedly connected onto a wiring board (18) on the front side of the upper portion of the channel steel (6), a contact finger (16) is fixedly connected onto a wiring board (18) on the rear side, and a plurality of contacts (17) are fixedly connected onto the contact finger (16).
2. An outdoor ac high voltage isolator according to claim 1, wherein: the top and the bottom of steel support stand (4) are welded with mounting plates in a uniform mode, bolt holes distributed in an annular array are formed in the mounting plates, foundation bolts (9) are inserted into the bolt holes in the mounting plates at the bottom of the steel support stand (4), and the foundation bolts (9) are embedded in the pouring concrete of the foundation.
3. An outdoor ac high voltage isolator according to claim 1, wherein: the manual mechanism (8) is fixedly connected with a support hoop (11) through a manual mechanism mounting support (10), and the support hoop (11) is fixedly sleeved on the outer wall of the steel support upright post (4).
4. An outdoor ac high voltage isolator according to claim 1, wherein: rain-proof cover (1) sets up the upper portion in wiring board (18) position department, and the whole lid of rain-proof cover (1) is established on wiring board (18), set up the bolt hole of wiring usefulness on wiring board (18).
5. An outdoor ac high voltage isolator according to claim 1, wherein: the phase-phase transmission connecting rod (3) is composed of two fastening bolts (301), end connecting lugs (302), a connecting rod body (303) and an internal thread steel pipe (304), the two connecting rod bodies (303) are distributed at two ends of the internal thread steel pipe (304), the end connecting lugs (302) are fixedly connected to the end part of the connecting rod body (303) located outside the internal thread steel pipe (304), the connecting rod body (303) is tightly connected with the internal thread steel pipe (304) through the fastening bolts (301), and the connecting rod body (303) is fixedly connected with the transmission crank arm (20) through a rod piece connector (305).
6. An outdoor ac high voltage isolator according to claim 1, wherein: ground folder (2) comprises even latch fitting (201), support piece (202), stainless steel cover (203), spring (204), axle (205) and oilless bearing (206), axle (205) is through support piece (202) fixed connection on channel-section steel (6), and the joint part department cover of the two is equipped with stainless steel cover (203) and oilless bearing (206), and stainless steel cover (203) suit is in the outside of oilless bearing (206), and the cover is equipped with the backstop on axle (205) of oilless bearing (206) position department, the cover is equipped with spring (204) on axle (205), the cover is equipped with even latch fitting (201) on axle (205), axle (205) are through connector (207) and connecting rod body (303) fixed connection.
7. An outdoor ac high voltage isolator according to claim 1, wherein: the shaft-mounted ligand (14) consists of a shaft body (1401), an upper sealing ring (1402), a bearing (1403), a 0-type sealing ring (1404) and a sealing cover (1405), the shaft body (1401) is rotatably connected with the upper part of the bearing (1403) through the upper sealing ring (1402), the lower part of the bearing (1403) is fixedly connected with the sealing cover (1405), and the 0-type sealing ring (1404) is installed between the lower part of the bearing (1403) and the sealing cover (1405).
8. An outdoor ac high voltage isolator according to claim 1, wherein: the contact (17) consists of a guide plate (1701), a main contact finger (1702) and a contact finger external pressure spring (1703), wherein the contact finger external pressure spring (1703) is sleeved outside the main contact finger (1702), and the guide plate (1701) is fixedly connected to the end position of the main contact finger (1702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172279.3A CN112185747A (en) | 2020-10-28 | 2020-10-28 | Outdoor AC high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172279.3A CN112185747A (en) | 2020-10-28 | 2020-10-28 | Outdoor AC high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112185747A true CN112185747A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011172279.3A Pending CN112185747A (en) | 2020-10-28 | 2020-10-28 | Outdoor AC high-voltage isolating switch |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788879U (en) * | 2010-08-12 | 2011-04-06 | 熊江咏 | Drive connecting rod for high-voltage isolating switch |
| CN201788878U (en) * | 2010-08-12 | 2011-04-06 | 熊江咏 | Tripping device for alternating-current high-voltage isolating switch |
| CN201796797U (en) * | 2010-08-12 | 2011-04-13 | 熊江咏 | Touch finger for AC high-voltage isolating switch |
| CN201812724U (en) * | 2010-08-12 | 2011-04-27 | 熊江咏 | High-voltage isolating switch device |
| CN201877336U (en) * | 2010-08-12 | 2011-06-22 | 熊江咏 | Transmission shaft device for high-voltage disconnecting switch |
| CN209104052U (en) * | 2018-09-28 | 2019-07-12 | 达得利电力设备有限公司 | A kind of high voltage isolator |
| CN210722858U (en) * | 2019-12-27 | 2020-06-09 | 江苏邦泰电气有限公司 | Outdoor high-voltage alternating-current isolating switch |
-
2020
- 2020-10-28 CN CN202011172279.3A patent/CN112185747A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788879U (en) * | 2010-08-12 | 2011-04-06 | 熊江咏 | Drive connecting rod for high-voltage isolating switch |
| CN201788878U (en) * | 2010-08-12 | 2011-04-06 | 熊江咏 | Tripping device for alternating-current high-voltage isolating switch |
| CN201796797U (en) * | 2010-08-12 | 2011-04-13 | 熊江咏 | Touch finger for AC high-voltage isolating switch |
| CN201812724U (en) * | 2010-08-12 | 2011-04-27 | 熊江咏 | High-voltage isolating switch device |
| CN201877336U (en) * | 2010-08-12 | 2011-06-22 | 熊江咏 | Transmission shaft device for high-voltage disconnecting switch |
| CN209104052U (en) * | 2018-09-28 | 2019-07-12 | 达得利电力设备有限公司 | A kind of high voltage isolator |
| CN210722858U (en) * | 2019-12-27 | 2020-06-09 | 江苏邦泰电气有限公司 | Outdoor high-voltage alternating-current isolating switch |
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