CN210535568U

CN210535568U - Corrosion-resistant high-voltage isolating switch

Info

Publication number: CN210535568U
Application number: CN202020460918.5U
Authority: CN
Inventors: 丛洪义; 潘艳红; 刘洪倩
Original assignee: Shandong Yiyang Electrical Co ltd
Current assignee: Shandong Yiyang Electrical Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-05-15
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a corrosion-resistant high-voltage isolating switch, including the switch structure, ceramic insulator cup joints in the bearing frame of base upper end through the pillar axle of bottom, cup joint the axle sleeve on the outer wall of pillar axle simultaneously, and set up rust-resistant packing ring at the upper and lower both ends of axle sleeve, with the tight protection of pillar axle in the mounting hole of bearing frame, avoid rainwater etc. to get into in the bearing frame, produce corrosion effects to bearing frame and pillar axle, install the stand among the switch structure, the base, the bearing frame, all be provided with the stainless steel cladding material on the outer wall of ground connection connecting rod and ground connection plug-in strip, and brush on the outer wall of stainless steel cladding material and have protected paint, utilize the corrosion resistance of stainless steel and the guard paint's guard action, protect corrosion-resistant metal spare part inside it layer by layer, the corrosion resistance of high-voltage isolating switch has greatly; the corrosion-resistant high-voltage isolating switch has good corrosion resistance and long service life.

Description

Corrosion-resistant high-voltage isolating switch

Technical Field

The utility model relates to an electric power equipment technical field specifically is a corrosion-resistant high voltage isolator.

Background

The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. For switching on, switching off or switching the line in the case of a voltage-loaded train of high-voltage equipment. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, inputting load current and cutting off short-circuit current, and the high-voltage electrical appliance and the device can only be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function.

But be arranged in outdoor high voltage isolator to be in the environment that exposes for a long time, each metal parts only relies on one deck zinc-plated protective layer and protective paint to protect, can't accomplish corrosion-resistant effect effectively, uses a period of time after, and this inoxidizing coating appears damaged, and inside metal parts show the erosion that receives natural environment factors such as rainwater, and it leads to the electrical installation to damage to suffer destruction very easily, and frequent change maintenance is neither realistic nor too troublesome. Therefore, a corrosion-resistant high-voltage isolating switch is provided.

Disclosure of Invention

An object of the utility model is to provide a corrosion-resistant high voltage isolator is through adopting corrosion-resistant alloy preparation metal parts to plate one deck stainless steel cladding material on each metal parts's outer wall, and brush the protective paint on the outer wall, and cup joint the axle sleeve and set up rust-resistant packing ring on the pillar axle outer wall of each insulating pillar bottom, thereby solved the problem that proposes in the above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant high voltage isolator, including the switch structure, the switch structure is including installation stand, a pedestal, the bearing frame, first insulating pillar, the insulating pillar of second, the ground connection connecting rod, ground connection plug-in strip and stainless steel cladding material, the top of installation stand sets up the base, the upper end both sides fixed connection bearing frame of base, cup joint first insulating pillar and the insulating pillar of second in the bearing frame respectively, the ground connection connecting rod sets up in upper end one side of base, the upper end installation ground connection plug-in strip of ground connection connecting rod, the installation stand, a pedestal, the bearing frame, all be provided with the stainless steel cladding material on the outer wall of ground connection connecting rod and ground connection plug-in strip, and brush on the outer wall of stainless steel cladding.

Furthermore, the first insulating support column comprises a first ceramic insulator, a static contact mechanism and a first wiring end, the bottom end of the first ceramic insulator is sleeved in the bearing seat on one side of the upper end of the base, the static contact mechanism is arranged at the upper end of the first ceramic insulator, and the first wiring end is arranged at the upper end of the outward side of the static contact mechanism.

Further, the insulating pillar of second includes second ceramic insulator, moves the contact seat, the second wiring end, two save blade type plug-in strip and interlocking gear, the bottom of second ceramic insulator cup joints in the bearing frame of base upper end opposite side, the top of second ceramic insulator is provided with moves the contact seat, move the upper end of the outer one side of contact seat and install the second wiring end, two save blade type plug-in strip fixed connection on being close to the lateral wall of moving the contact seat of first insulation pillar one side, two save and be provided with interlocking gear on the outer wall of blade type plug-in strip swing joint end, interlocking gear and static contact mechanism phase-match.

Furthermore, a pull ring is arranged in the middle of the upper end of the double-blade type switch blade, and the pull ring is a component made of insulating materials.

Furthermore, a stainless steel coating is arranged on the outer wall of the double-blade type switch knife, and protective paint is brushed on the outer wall of the stainless steel coating.

Furthermore, the bottom of the ceramic insulator is fixedly connected with a support shaft, the support shaft is sleeved in the bearing seat, the outer wall of the support shaft is sleeved with a shaft sleeve, and the shaft sleeve is in interference fit with the inner wall of the bearing seat.

Furthermore, the shaft sleeve is a component made of corrosion-resistant materials, and the upper end and the lower end of the shaft sleeve are provided with antirust gaskets which are attached to the outer wall of the support shaft.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of corrosion-resistant high voltage isolator, ceramic insulator cup joint the axle sleeve on the outer wall of pillar axle simultaneously in the bearing frame of base upper end through the pillar axle hub connection of bottom to set up rust-resistant packing ring at the upper and lower both ends of axle sleeve, with the tight protection of pillar axle in the mounting hole of bearing frame, avoid in rainwater etc. gets into the bearing frame, produce the corrosive effect to bearing frame and pillar axle.

2. The utility model provides a corrosion-resistant high voltage isolator, the installation stand of switch structure, a pedestal, the bearing frame, ground connection connecting rod and ground connection plug-in strip all adopt corrosion-resistant alloy material to make and form, and all plate one deck stainless steel cladding material on its body outer wall, and brush the protective paint on its outer wall, utilize the corrosion resistance of stainless steel and protective paint's guard action, protect layer upon layer its inside corrosion-resistant metal spare part, high voltage isolator's corrosion resistance has been improved greatly, prolong its life.

3. The utility model provides a corrosion-resistant high voltage isolator, the upper end middle part department that holds blade type plug-in strip two sets up the pull ring, and the pull ring is the component that insulating material made, and the security when improving manual combined floodgate utilizes the pull ring to hold the interlocking gear block of blade type plug-in strip two in static contact mechanism, guarantees that the combined floodgate is timely, touches to indicate and touches to indicate the seat to contact fully, avoids appearing the line contact and leads to touching to indicate the scaling loss.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the mounting post of the present invention;

fig. 3 is a schematic structural view of a first insulating pillar of the present invention;

fig. 4 is a schematic structural view of a second insulating pillar according to the present invention;

fig. 5 is a schematic structural view of the ceramic insulator of the present invention.

In the figure: 1. a switch structure; 11. mounting the upright post; 12. a base; 13. a bearing seat; 14. a first insulating support; 141. a first ceramic insulator; 142. a static contact mechanism; 143. a first terminal; 15. a second insulating support; 151. a second ceramic insulator; 152. a movable contact seat; 153. a second terminal; 154. a double-blade type knife switch; 155. A linkage mechanism; 156. a pull ring; 16. a ground connecting rod; 17. a grounding knife switch; 18. a stainless steel plating layer; 19. a strut shaft; 110. a shaft sleeve; 111. a rust-proof washer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a corrosion-resistant high-voltage isolating switch comprises a switch structure (1), wherein the switch structure (1) comprises an installation upright post (11), a base (12), a bearing seat (13), a first insulating support post (14), a second insulating support post (15), a grounding connecting rod (16), a grounding switch (17) and a stainless steel coating (18), the base (12) is arranged at the top of the installation upright post (11), the bearing seats (13) are fixedly connected to two sides of the upper end of the base (12), the first insulating support post (14) and the second insulating support post (15) are respectively sleeved in the bearing seats (13), the grounding connecting rod (16) is arranged on one side of the upper end of the base (12), the grounding switch (17) is arranged at the upper end of the grounding connecting rod (16), and the outer walls of the installation upright post (11), the base (12), the bearing seats (13), the grounding connecting rod (16) and the grounding switch (17) are all provided with, and protective paint is brushed and coated on the outer wall of the stainless steel coating (18).

Referring to fig. 3, a corrosion-resistant high-voltage isolating switch, a first insulating pillar 14 includes a first ceramic insulator 141, a static contact mechanism 142, and a first terminal 143, a bottom end of the first ceramic insulator 141 is sleeved in a bearing seat 13 on one side of an upper end of a base 12, the static contact mechanism 142 is disposed on the upper end of the first ceramic insulator 141, and the first terminal 143 is mounted on an upper end of an outward side of the static contact mechanism 142.

Referring to fig. 4, a corrosion-resistant high-voltage isolating switch, the second insulating pillar 15 includes a second ceramic insulator 151, a movable contact base 152, a second terminal 153, a double-blade-saving type knife 154 and an interlocking mechanism 155, a bottom end of the second ceramic insulator 151 is sleeved in the bearing base 13 on the other side of the upper end of the base 12, a movable contact base 152 is disposed on the top of the second ceramic insulator 151, the second terminal 153 is installed on the upper end of the outward side of the movable contact base 152, a stainless steel coating 18 is disposed on the outer wall of the double-blade-saving type knife 154, and protective paint is brushed on the outer wall of the stainless steel coating 18, the double-blade-saving type knife 154 is fixedly connected to the side wall of the movable contact base 152 near one side of the first insulating pillar 14, the interlocking mechanism 155 is disposed on the outer wall of the movable connecting end of the double-blade-saving type knife 154, the interlocking mechanism 155 is matched with the static contact mechanism 142, a pull ring 156 is disposed at the middle portion of the upper, the pull ring 156 is a member made of an insulating material.

Referring to fig. 5, a corrosion-resistant high-voltage isolator is disclosed, wherein a pillar shaft 19 is fixedly connected to the bottom of a ceramic insulator, the pillar shaft 19 is sleeved in a bearing seat 13, a shaft sleeve 110 is sleeved on the outer wall of the pillar shaft 19, the shaft sleeve 110 is in interference fit with the inner wall of the bearing seat 13, the shaft sleeve 110 is a member made of a corrosion-resistant material, and rust-resistant washers 111 are disposed at the upper and lower ends of the shaft sleeve 110, and the rust-resistant washers 111 are attached to the outer wall of the pillar shaft 19.

In summary, the following steps: in the corrosion-resistant high-voltage isolating switch provided by the utility model, the ceramic insulator is sleeved in the bearing seat 13 at the upper end of the base 12 through the pillar shaft 19 at the bottom, meanwhile, the shaft sleeve 110 is sleeved on the outer wall of the pillar shaft 19, and the upper end and the lower end of the shaft sleeve 110 are provided with the antirust washers 111, so that the pillar shaft 19 is tightly protected in the mounting hole of the bearing seat 13, rainwater and the like are prevented from entering the bearing seat 13, and the corrosion effect on the bearing seat 13 and the pillar shaft 19 is generated; the outer walls of the installation upright post 11, the base 12, the bearing seat 13, the grounding connecting rod 16 and the grounding switch blade 17 in the switch structure 1 are all provided with stainless steel plating layers 18, protective paint is coated on the outer wall of the stainless steel plating layer 1542, and metal parts in the stainless steel plating layer 1542 are protected layer by utilizing the corrosion resistance of the stainless steel and the protective effect of the protective paint, so that the corrosion resistance of the high-voltage isolating switch is greatly improved, and the service life of the high-voltage isolating switch is prolonged; set up pull ring 156 in two upper end middle parts departments of saving blade type plug-in strip 154, and pull ring 156 is the component that insulating material made, and the security when improving manual switching-on utilizes pull ring 156 to save two interlocking gear 155 blocks of blade type plug-in strip 154 in static contact mechanism 142, guarantees to close a floodgate in time, touches to indicate and touches to indicate the seat to contact fully, avoids appearing the line contact and leads to touching to indicate the scaling loss. The corrosion-resistant high-voltage isolating switch is simple in structure, good in corrosion resistance and long in service life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A corrosion-resistant high voltage isolator, includes switch structure (1), its characterized in that: the switch structure (1) comprises an installation upright post (11), a base (12), a bearing seat (13), a first insulating support (14), a second insulating support (15), a grounding connecting rod (16), a grounding knife switch (17) and a stainless steel coating (18), the top of installation stand (11) sets up base (12), upper end both sides fixed connection bearing frame (13) of base (12), cup joint first insulating pillar (14) and second insulating pillar (15) in bearing frame (13) respectively, ground connecting rod (16) set up in upper end one side of base (12), ground switch blade (17) are installed to the upper end of ground connecting rod (16), all be provided with stainless steel cladding material (18) on the outer wall of installation stand (11), base (12), bearing frame (13), ground connecting rod (16) and ground switch blade (17), and brush on the outer wall of stainless steel cladding material (18) has brushed the protective paint.

2. A corrosion resistant high voltage isolator as claimed in claim 1, wherein: the first insulating support (14) comprises a first ceramic insulator (141), a static contact mechanism (142) and a first terminal (143), the bottom end of the first ceramic insulator (141) is sleeved in the bearing seat (13) on one side of the upper end of the base (12), the static contact mechanism (142) is arranged at the upper end of the first ceramic insulator (141), and the first terminal (143) is installed at the upper end of the outward side of the static contact mechanism (142).

3. A corrosion resistant high voltage isolator as claimed in claim 1, wherein: the insulating pillar of second (15) includes second ceramic insulator (151), move contact base (152), second wiring end (153), two save blade type plug-in strip (154) and interlocking gear (155), the bottom of second ceramic insulator (151) is cup jointed in bearing frame (13) of base (12) upper end opposite side, the top of second ceramic insulator (151) is provided with moves contact base (152), move the upper end of contact base (152) outside one side and install second wiring end (153), two save blade type plug-in strip (154) fixed connection are close to on the lateral wall of moving contact base (152) of first insulating pillar (14) one side, two save and be provided with interlocking gear (155) on the outer wall of blade type plug-in strip (154) swing joint end, interlocking gear (155) and static contact mechanism (142) phase-match.

4. A corrosion resistant high voltage isolator as claimed in claim 3, wherein: a pull ring (156) is arranged in the middle of the upper end of the double-blade type switch blade (154), and the pull ring (156) is a component made of insulating materials.

5. A corrosion resistant high voltage isolator as claimed in claim 3, wherein: the outer walls of the double-blade type switch blades (154) are all provided with stainless steel coatings (18), and protective paint is brushed on the outer walls of the stainless steel coatings (18).

6. A corrosion resistant high voltage isolator switch according to claim 2 or 3, wherein: the bottom of the ceramic insulator is fixedly connected with a support shaft (19), the support shaft (19) is sleeved in the bearing seat (13), the outer wall of the support shaft (19) is sleeved with a shaft sleeve (110), and the shaft sleeve (110) is in interference fit with the inner wall of the bearing seat (13).

7. A corrosion resistant high voltage isolator as claimed in claim 6, wherein: the shaft sleeve (110) is a member made of corrosion-resistant materials, the upper end and the lower end of the shaft sleeve (110) are provided with antirust gaskets (111), and the antirust gaskets (111) are attached to the outer wall of the support shaft (19).