CN207819290U - Cubicle Gas-Insulated Switchgear quick mounting type observation window - Google Patents
Cubicle Gas-Insulated Switchgear quick mounting type observation window Download PDFInfo
- Publication number
- CN207819290U CN207819290U CN201820118387.4U CN201820118387U CN207819290U CN 207819290 U CN207819290 U CN 207819290U CN 201820118387 U CN201820118387 U CN 201820118387U CN 207819290 U CN207819290 U CN 207819290U
- Authority
- CN
- China
- Prior art keywords
- annular flange
- visible light
- light transmissive
- transmissive element
- installation base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of Cubicle Gas-Insulated Switchgear quick mounting type observation window is provided, effectively solve existing observation window design structure slightly complicated, the technical issues of inconvenient assembler efficient Fast Installation, outer cover body of the stable connection with installation base is improved with structural strength is increased, with the matched annular flange of outer cover body, the visible light transmissive element being connected with annular flange integral type;The reserved observation through-hole for leading to annular flange, upper surface are formed with screw-threaded counterbore and seal groove with annular flange junction among installation base;Annular flange, which is passed through, by bolt with washer and is screwed while screw-threaded counterbore connects annular flange and outer cover body completes the efficient Fast Installation of Simple synchronous with visible light transmissive element package entirety.The utility model has been simplified number of components, has been saved used in installation steps, the efficient quick assembling for being conducive to assembler and follow-up efficiently fast quick-detach maintenance down significantly.
Description
Technical field
The utility model belongs to power generation, power transformation or distribution and is led with Cubicle Gas-Insulated Switchgear auxiliary component technology
Domain, and in particular to a kind of efficient quick assembling being conducive to assembler and the follow-up gas for shutting down efficiently fast quick-detach inspection and repair shop
Insulated metal closed switch equipment quick mounting type observation window.
Background technology
GIS (GAS insulated SWITCHGEAR) is the English abbreviation of Cubicle Gas-Insulated Switchgear.It is logical
Often by breaker, disconnecting switch, earthing switch, mutual inductor, arrester, busbar, connector and go out line terminal equipment or component is complete
Portion is enclosed in the shell of metallic ground, and is being charged with SF6 insulating gas of the certain pressure as arc-extinguishing medium, therefore also referred to as
SF6 fully closed combined electric units.Compared with traditional open power distribution equipment, GIS has floor space is small, element whole sealing is anti-to do
It disturbs, operational reliability is high, maintenance workload is small, operating cost is low, without advantages such as electromagnetic interferences.But due to conductor, contact etc.
It is sealed in metal shell, the inner case that contact opens or closes is invisible, and hidden danger and inconvenience are brought to safe operation.For
This, window construction is observed to cope with by design by each producer.It is with Authorization Notice No.:The visual type gas of CN202308893U is exhausted
For the design of edge metal enclosed switchgear:(as shown in Figure 1) although its by switchgear ontology 1 be arranged cover board 205, can
The visualization of GIS internal components is realized depending on the modular construction of translucent element 3 and ring pressure flange cover board 4.But by component
Number and structure limitation, there are following drawbacks:(as shown in Figure 1) first, light-permeable element 3 be by pressure ring flange 4 by its
It is pressed in cover board 205 and tightens Guan County's dress:Therefore, in installation steps, it is necessary to cover board 205 are first installed on switchgear ontology
On 1 flange, then visible light transmissive element 3 is installed on by the compression of pressure ring flange 4 can between cover board 205 and pressure ring flange 4
Successfully complete assembling;And to realize such assembling, it not only needs first to seal by fastening bolt 5 and is fastenedly connected 205 He of cover board
Apparatus body 1, it is also necessary to visible light transmissive element 3 and cover board 4 be connected by pressure ring flange 4 by trip bolt 6;As it can be seen that above-mentioned
Fastener fastening group is used between 4 four switchgear ontology 1, cover board 205, visible light transmissive element 3, pressure ring flange main members
Dress, and the mode that O-ring seal 7 realizes sealing assembly and connection is added in conjunction with multiple and different positions, observation window zero is not only resulted in
Number of packages amount is more, is unfavorable for the completion quickly assembled;Moreover, for the higher GIS of sealing requirements, this more zero
Part compresses modular observation window construction, between aforementioned four main member, often assembles two adjacent components, any two is adjacent
Sealing processing technology or installation operation technique between component be not stringent, can directly result in the promotion of GIS gas leakage risks, equipment
Threat risk suffered by integral insulation arc extinction performance is higher, and proposes high requirement to the technical operation of assembly;The second, when can
When translucent element 3 is using relatively thin simple glass, since pressure ring flange 4 can generate see-through optical element 3 outside axial compression
Visible light transmissive element 3 is fixed on cover board by power using trip bolt 6 and gasket by the compression type clamping action of pressure ring flange 4
205 design, 3 four Thursday of visible light transmissive element or two screws 6 screw behaviour during screwing preload due to screw 6
After work has and first has, once the screw 6 of homonymy does not screw too fast excessive, other side screw 6 is also in non-tightening state, in the other side
During screw is screwed from loose state to tight state, glass risk of rupture caused by difference is excessive before and after screwing preload pressure compared with
Height, and want to eliminate this risk, high requirement is had also been proposed to 6 torquing operations of screw of assembler.It is therefore desirable to pass through
Simplify number of components, reduce cost and improved structure, it is ensured that while equipment air-tightness, improve GIS observation windows installation effectiveness and
Installation reliability simplifies installation steps and reduces assembly manipulation difficulty, realizes that sealing performance is excellent, is conducive to efficient, convenient, simple
The observation window design of installation operation improves, it is proposed that following technical solution.
Utility model content
The technical issues of the utility model solves:A kind of Cubicle Gas-Insulated Switchgear quick mounting type observation is provided
Window, under the premise of ensureing that GIS device observation window process structure intensity meets Its Relevant Technology Standards, by simplifying at least, the most
Number of components (save pressure ring flange in background technology, save multiple fasteners) structure improve, solve the prior art under observe
Window member number is excessive, and multi-step fastening installation, installation steps are complex, the equipment integral insulation arc extinguishing caused by poorly sealed
The potential risk that performance is on the hazard is higher, and the technology that inconvenient fast-assembling, plainly-packed, inconvenient follow-up maintenance down dismounting are installed is asked
Topic.
The technical solution adopted in the utility model:Cubicle Gas-Insulated Switchgear quick mounting type observation window has gas
Outer cover body, annular flange and the visible light transmissive element of body insulated metal closed switch equipment, it is characterised in that:The shell sheet
Body, which has, to be outwardly protruded, is integrally formed with shell, having certain thickness installation base, and the installation base is both used to increase to see
Window overall construction intensity, and the stability for improving the annular flanged joint of connection are examined, and reserved observation is logical among installation base
Hole;The installation base upper surface is outer to be formed with for being fastenedly connected annular flange and screwing the screw thread being adapted to bolt with washer
Counterbore, installation base upper surface is inner to be formed with the seal groove to seal;The end face of annulus up and down of the annular flange is light
Face achoanitic structure, and size is adapted with installation base size;The annular flange ring body face screw-threaded counterbore is coaxially formed with
Flange is located by connecting through-hole;And the intermediate annular distance of the annular flange coaxially leads directly to diameter with observation through-hole and is connected;And it is described
The intermediate annular distance of annular flange is coaxially led directly to diameter with observation through-hole to be connected;It is formed in the middle part of the hole wall of annular distance among annular flange
Installation visible light transmissive element and the step groove to match with visible light transmissive member outboard wall, and the step groove uses metal and glass
Glass welding procedure sealing welding connects or the connected visible light transmissive element of bonding, so that visible light transmissive element has one with annular flange composition
Determine intensity and package that sealing performance, encapsulation are integral;It is located by connecting and through-hole and is revolved across flange by bolt with washer
It is whole that band visible light transmissive element package is completed while the screw-threaded counterbore connection annular flange and outer cover body that close installation base
The efficient Fast Installation of Simple synchronous.
In above-mentioned technical proposal, to ensure the improved structural strength of outer cover body;And ensure outer cover body connection annular
The structural strength and stable connection of flange;Ensure visible light transmissive element and the sealing structure intensity before annular flange;And it examines
Consider the influence that outer cover body is distributed GIS internal electric fields;In view of observation window overall aesthetics;As optimal technical scheme,
The counterbore depth for the height and screw-threaded counterbore that the installation base outwardly protrudes is at least more than equal to half belt washer spiral shell
The reach of bolt;The wall thickness of the installation base is more than or equal to the screw thread nominal diameter of two times of bolt with washer;The installation
The observation through-hole of boss is formed with chamfering circular arc towards side where electric conductor;The installation base lateral surface and annular flange lateral surface
It is leveled up and down.
In above-mentioned technical proposal, for using simplify, the component of lower cost realizes outer cover body and with visible light transmissive element
Annular flange package between sealed connection, as optimal technical scheme, the seal groove pass through O-ring seal sealing connect
Connect outer cover body and the annular flange package with visible light transmissive element.
In above-mentioned technical proposal, while to ensure to be tightly connected before visible light transmissive element and annular flange, it is ensured that can
The structural strength being connect with welded seal before annular flange depending on translucent element;Ensure that observation window enters on a large scale to regard depending on observation
Angle;Facilitate visible light transmissive element with before annular flange welding or Nian Jie integral type be connected operation;As optimal technical scheme,
The step groove deep of the annular flange installation visible light transmissive element is more than or equal to the wall thickness of visible light transmissive element;The loop method
Blue inner ring circumferential upper part is formed with the linking of step groove upper end and facilitates push-in weldering even or Nian Jie connected visible light transmissive element, and can
It is added to the chamfering regarding field of view simultaneously.
In above-mentioned technical proposal, to ensure transparent effect to greatest extent;Ensure observation window structural strength to greatest extent, carries
The permeability of high visible light transmissive element, durability, the Durability that can and extend critical component, as optimal technical scheme, institute
It is explosion-proof tempered glass or explosion-proof quartz glass to state visible light transmissive element;With the annular flange of its company of weldering be stainless steel, steel or
Aluminium.
The utility model compared with prior art the advantages of:
1, this programme eliminates the pressure ring flange component in background technology, and accordingly saving pressure ring flange screw in compression can
It is straight in advance by the advanced metal viscose glue excellent with glass solder technique or leakproofness depending on the assembling installation steps of translucent element
It is that integral type fixes encapsulating structure to connect be connected visible light transmissive element and annular flange of sealing welding even or directly sealing bonding, make its at
For a whole package, and the structure of outer cover body is improved accordingly for property, realizes and screw company using bolt with washer
Connect the screw-threaded counterbore of outer cover body, you can complete the installation of GIS device observation window entirety;
2, the observation window for using four main members to assemble in background technology is improved to three main structures by this programme
Part directly utilizes annular flange, not only when the use of the connector of outer cover body, but also works as the installation carrier use of visible light transmissive element,
Multi-purpose content realizes the installation for the visible light transmissive element for simplifying number of components to greatest extent;As it can be seen that needing to use more than ten by original
The observation window that parts are completed, by the structure and the connection that improve outer cover body, annular flange and visible light transmissive element
Mode simplifies the assembling for being integrated into and observation window can be completed using six parts in total from original more than ten of parts, ensures
While GIS observation windows air-tightness itself and structural strength, cost is controlled, simplifies assembling steps, reduces sealing installation
Difficulty alleviates the higher problem of original gas leakage air-tightness hidden danger occurrence risk probability to greatest extent;
3, this programme visible light transmissive element is used is welded based on advanced metal and the encapsulation of glass solder technique integrated sealing
Even, or in such a way that the lower thickening bonding of cost is connected, the integral type for realizing visible light transmissive element and annular flange is pre-
Equipment is used, and direct effective application of special-shaped material welding technique had both been belonged to, and also belongs to non-compression type air-tightness fastening installation,
It has not only reached and has simplified number of components, simplified installation steps, or reduced the effect of cost to greatest extent by bonding, and avoided
Lock existing for fastening installation visible light transmissive element using screw in compression formula by pressure ring flange that be easy to cause can in background technology
The purpose occurred depending on translucent element fragmentation risk;
4, this programme compresses the pressure ring flange component of connection function due to having eliminated, and acts the pressure ring being fastenedly connected
The screw assembly of flange is changed and is simplified directly to select an annular flange, pre- based on advanced metal and glass solder technique
First welding both annular flange and see-through optical element, or bonding makes it be fixed with one in advance, by annular flange and see-through
Optical element prepackage combination forms prepackage structural member with spare improvement;When assembly, when the bolt of belt washer screws screw-threaded counterbore
Meanwhile connection of the annular flange to positive installation base is not only completed, while also completing entire band visible light transmissive element and observing
The installation of window, kills two birds with one stone, therefore this programme not only realizes observation window more under the premise of ensureing structural strength and leakproofness
For the installation of convenient and efficient, and under the premise of ensureing structure, installation strength and leakproofness, GIS observations have been simplified significantly
The number of components of window construction component has reached the quick assembling purpose of GIS observation window high-effective and labour-savings, facility is provided for assembler.
Description of the drawings
Fig. 1 is the structural schematic diagram of prior art GIS observation windows before improving;
Fig. 2 is the structural schematic diagram of the utility model GIS observation windows.
Specific implementation mode
The 2 a kind of embodiment for describing the utility model below in conjunction with the accompanying drawings.
Embodiment below facilitates a better understanding of the utility model, but does not limit the utility model.Following embodiments
Used in component be unless otherwise specified commercially available.In the absence of explanation to the contrary, " upper and lower, left and right, inside and outside "
Orientation of the term under normal service condition is only represented etc. the noun of locality be included in the term, or is managed for those skilled in the art
Being commonly called as solution, should not be seen as a limitation of this term.
Cubicle Gas-Insulated Switchgear quick mounting type observation window directly passes through meat to realize outside outer cover body 1
Eye observation GIS internal operation situations, when such as finding that metal particle, local trace, contact do not have opening and closing in place hidden danger, power failure in time
Maintenance, do not cause the accident expansion or serious, ensures system safety operation;The utility model has gas-insulated metal enclosed switchgear
Outer cover body 1, annular flange 2 and the visible light transmissive element 3 of equipment, on this basis, the utility model is characterized in that:For with
It simplifies for the purpose of number of components simultaneously, does not sacrifice the stability that observation window overall construction intensity is connected with 5 component of bolt with washer:Institute
State outer cover body 1 have outwardly protrude, with shell be integrally formed, have certain thickness installation base 101, when it is implemented,
The installation base 101 is integrally formed together with apparatus casing by casting and is made, and keeps the mechanical property of casting and forming ontology full
The GIS observation window technical stipulations requirement of sufficient technical stipulation requirement, especially small size cylindrical shape.The installation base 101 was both
For increasing observation window overall construction intensity, and the stability connected for improving connection annular flange 2.At the same time, it is real
The monitoring of the GIS internal components of existing small size cylindrical shape:Reserved observation through-hole 1013 among the installation base 101.This
Outside, it is reliably connected to realize, 101 upper surface of the installation base is outer to be formed with for being fastenedly connected annular flange 2 and being padded with band
Circle bolt 5 screws the screw-threaded counterbore 1011 of adaptation.In addition, to ensure the leakproofness, the reliability that are connected between few number of components component,
And have both aesthetics:101 upper surface of installation base is inner to be formed with the seal groove 1012 to seal;The annular flange 2
Upper and lower annulus end face is smooth surface achoanitic structure, and size is adapted with 101 size of installation base;To reduce assembly to just positioning
Difficulty realizes the efficient quick connection for simplifying number of components:2 ring body face screw-threaded counterbore 1011 of the annular flange is coaxially formed with method
Orchid is located by connecting through-hole 201;While to ensure structural strength, the exploring monitoring sight of GIS observation windows is not influenced and blocked:Institute
The intermediate annular distance 202 of annular flange 2 and observation through-hole 1013 is stated coaxially to be connected with diameter is straight-through;And in the annular flange 2
Between annular distance 202 and observation through-hole 1013 be coaxially connected with diameter is straight-through.On this basis, for realize visible light transmissive element 3 can
By installation, evade original fragmentation risk for being compressed using tightening and installing and being easy to cause:2 intermediate annular distance 202 of the annular flange
It element 3 and the step groove 203 that matches with 3 lateral wall of visible light transmissive element that installation visible light transmissive is formed in the middle part of hole wall, and described
Step groove 203 is connected with the weldering of glass solder process seal using metal or the Nian Jie visible light transmissive element 3 that is connected, so that visible light transmissive is first
The package that part 3 has some strength with the composition of annular flange 2 and sealing performance, encapsulation are integral.I.e. that is, by pre-
Loop method of the formula structure with visible light transmissive element 3 that be fixed with one is made using continuous productive process in workshop in the foundation of piece installing in advance
The foundation that orchid 2 pre-installs finished parts comes, and support is provided for the follow-up assembler's assembly difficulty that reduces.On this basis, pass through belt washer
Bolt 5 passes through flange to be located by connecting and through-hole 201 and screws the screw-threaded counterbore 1011 of installation base 101 and connect annular flange 2 and outer
The Simple synchronous efficient Fast Installation with visible light transmissive element 3 package entirety is completed while shell ontology 1.
In above-mentioned technical proposal, to ensure 1 improved mounting structure intensity of outer cover body;And ensure that outer cover body 1 connects
Connect the structural strength and stable connection of annular flange 2;Ensure visible light transmissive element 3 and the sealing structure before annular flange 2
Intensity;And consider the influence that outer cover body 1 is distributed GIS internal electric fields;In view of observation window overall aesthetics;As preferred
Technical solution, the counterbore depth of height and screw-threaded counterbore 1011 that the installation base 101 outwardly protrudes at least more than equal to
The reach of half bolt with washer 5, to ensure the stability of connection;The wall thickness of the installation base 101 be more than etc.
In the screw thread nominal diameter of two times of bolt with washer 5;Where the observation through-hole 1013 of the installation base 101 towards electric conductor 8
Side is formed with chamfering circular arc 1014, to eliminate the influence that outer cover body 1 is distributed GIS internal electric fields;101 outside of the installation base
Face is leveled up and down with 2 lateral surface of annular flange, to form an aesthetic integrity entirety.
In above-mentioned technical proposal, for using simplify, the component of lower cost realizes outer cover body 1 and with visible light transmissive element
Sealed connection between 32 package of annular flange, as optimal technical scheme, the seal groove 1012 passes through O-ring seal
7 are tightly connected outer cover body 1 and 2 package of annular flange with visible light transmissive element 3.
In above-mentioned technical proposal, while to ensure visible light transmissive element 3 with being tightly connected before annular flange 2, it is ensured that
The structural strength that visible light transmissive element 3 is connect with welded seal before annular flange 2;Ensure that observation window enters to regard observation on a large scale
Visual angle;Facilitate visible light transmissive element with before annular flange welding or Nian Jie integral type be connected operation;As optimization technique side
Case, the annular flange 2 install wall thickness of 203 groove depth of step groove more than or equal to visible light transmissive element 3 of visible light transmissive element 3;
The inner ring circumferential upper part of the annular flange 2, with 203 upper end of step groove linking be formed with facilitate push-in weldering even or it is Nian Jie be connected visually
Translucent element 3 simultaneously can be added to chamfering 204 regarding field of view simultaneously.The chamfering 204 is preferably greater than 45 ° of chamferings.
In above-mentioned technical proposal, to ensure transparent effect to greatest extent;Ensure observation window structural strength to greatest extent, carries
The permeability of high visible light transmissive element 3, durability, the Durability that can and extend critical component, as optimal technical scheme, institute
It is explosion-proof tempered glass or explosion-proof quartz glass to state visible light transmissive element 3;Annular flange 2 with its company of weldering is stainless steel, steel
Or aluminium.Wherein, metal is implemented with glass solder technological operation referring in particular to the prior art.
As it can be seen that the utility model eliminates the pressure ring flange component in background technology first, and accordingly save pressure ring flange
It is excellent by advanced metal and glass solder technique or leakproofness with the assembling installation steps of screw in compression visible light transmissive element
Viscose glue direct sealing welding even or directly sealing bonding is connected visible light transmissive element 3 in advance and annular flange 2 is fixed for integral type
Encapsulating structure becomes a whole package, and the structure of outer cover body 1 is improved accordingly for property, realizes and uses
Bolt with washer 5 screws the screw-threaded counterbore 1011 of connected with outer casing ontology 1, you can completes the installation of GIS device observation window entirety.Its
It is secondary, the observation window for using four main members to assemble in background technology is improved to three main members, directly utilizes ring
Shape flange, not only when the use of the connector of outer cover body, but also when the installation carrier of visible light transmissive element uses, multi-purpose content is realized
The installation of the visible light transmissive element of number of components is simplified to greatest extent;As it can be seen that by originally needing to install using more than ten of parts group
At observation window, by improve outer cover body, annular flange and visible light transmissive element structure and connection type, from original ten
Several parts simplify the assembling for being integrated into and observation window can be completed using six parts in total, ensure GIS observation windows itself
While air-tightness and structural strength, cost is controlled, simplifies assembling steps, reduces sealing installation difficulty, to greatest extent
Alleviate the higher problem of original gas leakage air-tightness hidden danger occurrence risk probability.Furthermore visible light transmissive element 3 is using based on advanced
The encapsulation weldering of metal and glass solder technique integrated sealing connect, or thicken the connected mode of bonding, realize visible light transmissive element 3
It is spare with the integral type prepackage preliminary working of annular flange 2, both belonged to direct effective application of special-shaped material welding technique,
Belong to non-compression type air-tightness fastening installation, do not only reached and simplified number of components, simplifies installation steps, or by being bonded maximum limit
Degree reduces the effect of cost, and avoids in background technology and use the locking fastening installation of 6 compression type of screw by pressure ring flange 4
The purpose of 3 fragmentation risk of visible light transmissive element generation is easy to cause existing for visible light transmissive element 3.Finally, the utility model by
4 component of pressure ring flange of connection function is compressed in eliminating, and acts 6 component of screw for the pressure ring flange 4 being fastenedly connected,
It changes and simplifies directly to select an annular flange 2, annular flange 2 is welded based on advanced metal and glass solder technique in advance
It is set to be fixed with one in advance with see-through optical element 3, or bonding the two, by 3 prepackage group of annular flange 2 and see-through optical element
It closes and forms prepackage structural member with spare improvement;When assembly, while bolt with washer 5 screws screw-threaded counterbore 1011, not only
Installation and connection of the annular flange 2 to positive installation base 101 are completed, while also completing entire band visible light transmissive element 3 and seeing
The installation for examining window, kills two birds with one stone, therefore this programme not only realizes observation window under the premise of ensureing structural strength and leakproofness
The more installation of convenient and efficient, and under the premise of ensureing structure, installation strength and leakproofness, GIS sights have been simplified significantly
The number of components for examining window construction component has reached the quick assembling purpose of GIS observation window high-effective and labour-savings, facility is provided for assembler
In conclusion the utility model has specifically improved outer cover body 1, annular flange 2 and has been specifically designed visible light transmissive
Element 3 and the proposition that spare and accessory parts use as a whole of annular flange 2, in conjunction with the projective table type of 1 installation base 101 of outer cover body
Design;Annular flange 2 welds or the integration prepackage design of bonding visible light transmissive element 3, has simplified number of components significantly, has saved
Installation steps, the observation window design structure slightly complicated for efficiently solving existing small size GIS, especially cylindrical outer shape, no
The technical issues of efficient Fast Installation of civilian dress allotment of labor, reduction GIS observation window assembly difficulty, bring in many ways satisfied reality just
Profit.
Above-described embodiment, the only preferred embodiment of the utility model are not used for limiting the utility model practical range,
Therefore all equivalence changes done with content described in the utility model claims, the utility model claims model should all be included in
Within enclosing.
Claims (5)
1. Cubicle Gas-Insulated Switchgear quick mounting type observation window, the shell with Cubicle Gas-Insulated Switchgear
Ontology (1), annular flange (2) and visible light transmissive element (3), it is characterised in that:The outer cover body (1) have outwardly protrude,
It is integrally formed with shell, has certain thickness installation base (101), the installation base (101) had both been used to increase observation window
Overall construction intensity, and the stability connected for improving connection annular flange (2), and the intermediate pre- attention of installation base (101)
Examine through-hole (1013);Installation base (101) upper surface is outer to be formed with for being fastenedly connected annular flange (2) and and belt washer
Bolt (5) screws the screw-threaded counterbore (1011) of adaptation, and installation base (101) upper surface is inner to be formed with the seal groove to seal
(1012);The end face of annulus up and down of the annular flange (2) is smooth surface achoanitic structure, and size and installation base (101) are big
It is small to be adapted;Annular flange (2) the ring body face screw-threaded counterbore (1011) is coaxially formed with flange and is located by connecting through-hole (201);
And the intermediate annular distance (202) of the annular flange (2) coaxially leads directly to diameter with observation through-hole (1013) and is connected;Annular flange
(2) be formed in the middle part of the hole wall of intermediate annular distance (202) installation visible light transmissive element (3) and with visible light transmissive element (3) lateral wall
The step groove (203) matched, and the step groove (203) is even or Nian Jie connected visual with the weldering of glass solder process seal using metal
Translucent element (3), so that visible light transmissive element (3) has some strength and sealing performance with annular flange (2) composition, is encapsulated as
One whole package;It is located by connecting across flange by bolt with washer (5) and through-hole (201) and screws installation base (101)
Screw-threaded counterbore (1011) connection annular flange (2) and complete with visible light transmissive element (3) package while outer cover body (1)
The whole efficient Fast Installation of Simple synchronous.
2. Cubicle Gas-Insulated Switchgear quick mounting type observation window according to claim 1, it is characterised in that:It is described
The counterbore depth of height and screw-threaded counterbore (1011) that installation base (101) outwardly protrudes is at least more than equal to half band
The reach of washer bolt (5);The wall thickness of the installation base (101) is more than or equal to the screw thread of two times of bolt with washer (5)
Nominal diameter;The observation through-hole (1013) of the installation base (101) is formed with chamfering circular arc towards side where electric conductor (8)
(1014);Installation base (101) lateral surface is leveled up and down with annular flange (2) lateral surface.
3. Cubicle Gas-Insulated Switchgear quick mounting type observation window according to claim 1, it is characterised in that:It is described
Seal groove (1012) passes through O-ring seal (7) sealed connection outer cover body (1) and the annular flange with visible light transmissive element (3)
(2) package.
4. Cubicle Gas-Insulated Switchgear quick mounting type observation window according to claim 2, it is characterised in that:It is described
Annular flange (2) installs wall thickness of step groove (203) groove depth more than or equal to visible light transmissive element (3) of visible light transmissive element (3);
The inner ring circumferential upper part of the annular flange (2) is formed with the linking of step groove (203) upper end and facilitates push-in weldering even or Nian Jie connected
Visible light transmissive element (3) simultaneously can be added to chamfering (204) regarding field of view simultaneously.
5. Cubicle Gas-Insulated Switchgear quick mounting type observation window according to claim 4, it is characterised in that:It is described
Visible light transmissive element (3) is explosion-proof tempered glass or explosion-proof quartz glass;Annular flange (2) with its company of weldering is stainless steel, steel
Material or aluminium.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820118387.4U CN207819290U (en) | 2018-01-24 | 2018-01-24 | Cubicle Gas-Insulated Switchgear quick mounting type observation window |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820118387.4U CN207819290U (en) | 2018-01-24 | 2018-01-24 | Cubicle Gas-Insulated Switchgear quick mounting type observation window |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207819290U true CN207819290U (en) | 2018-09-04 |
Family
ID=63324842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820118387.4U Active CN207819290U (en) | 2018-01-24 | 2018-01-24 | Cubicle Gas-Insulated Switchgear quick mounting type observation window |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207819290U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113628935A (en) * | 2020-05-06 | 2021-11-09 | 河南平芝高压开关有限公司 | Gas-insulated metal-enclosed switchgear and observation window thereof |
-
2018
- 2018-01-24 CN CN201820118387.4U patent/CN207819290U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113628935A (en) * | 2020-05-06 | 2021-11-09 | 河南平芝高压开关有限公司 | Gas-insulated metal-enclosed switchgear and observation window thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207819290U (en) | Cubicle Gas-Insulated Switchgear quick mounting type observation window | |
CN103196184B (en) | A kind of Split-type explosion-proof air conditioner | |
CN209488153U (en) | 10KV busbar joint insulating sheath | |
CN201363427Y (en) | Electromagnetic valve | |
CN207589021U (en) | The explosion-proof camera shooting instrument sealing structure of integrated video camera module and infrared light compensating lamp | |
CN202434996U (en) | Conveniently-operated cable branch box | |
CN203720223U (en) | Novel independent grounding device used for online monitor of can-type lightning arrester | |
CN210006665U (en) | high-sealing vacuum circuit breaker | |
CN106099796A (en) | Isolated-phase enclosed bus seals structure | |
CN208508311U (en) | Mine explosion-suppression and intrinsic safety type D.C. regulated power supply | |
CN206876500U (en) | A kind of burst disk test fixture | |
CN209544954U (en) | A kind of water proof type high-voltage board | |
CN208425026U (en) | A.C. contactor sealing installation structure, ac contactor device assembly and air conditioner | |
CN109888614A (en) | A kind of snap-type spark plug boot and its application method | |
CN209329409U (en) | A kind of safe early warning equipment of high-low pressure transformation cabinet | |
CN213879063U (en) | Air conditioner placing rack for GIS dustproof shed | |
CN209434712U (en) | A kind of power distribution cabinet that power engineering is good with outdoor type protectiveness | |
CN203433931U (en) | Full-sealed explosion-proof transformer bushing head structure | |
CN213071804U (en) | Dustproof door and window structure of crusher control cabinet | |
CN216284905U (en) | Power transmission and transformation equipment thing networking type SF6 little water measuring transducer | |
CN108809251A (en) | A kind of photovoltaic generation confluence body structure | |
CN218330404U (en) | Active wireless visual pressure sensor device | |
CN219473423U (en) | Explosion-proof external gas storage cabinet | |
CN215870714U (en) | Water joint of harmonic shielding protection device | |
CN211238977U (en) | Explosion-proof lighting power distribution box |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |