CN206976921U - A kind of linkage insulating bar group for solid insulation ring main unit - Google Patents
A kind of linkage insulating bar group for solid insulation ring main unit Download PDFInfo
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- CN206976921U CN206976921U CN201720749932.5U CN201720749932U CN206976921U CN 206976921 U CN206976921 U CN 206976921U CN 201720749932 U CN201720749932 U CN 201720749932U CN 206976921 U CN206976921 U CN 206976921U
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- insulating
- drag link
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Abstract
The utility model discloses a kind of linkage insulating bar group for solid insulation ring main unit, including the breaker insulating bar for connecting the moving conductive rod of the first connecting lever and vacuum interrupter that breaker transmission main shaft is connected in transmission mechanism, and connection in transmission mechanism is isolated to the second connecting lever of transmission main shaft and the isolated insulation rod for isolating blade connection of tri-station isolating switch；The breaker insulating bar includes lower connecting rod, insulating bar main body, compression spring, the first drag link sleeve, double end adjusting rod and the first adjusting rod being coaxially disposed from the bottom to top.The insulating bar group possesses rational built-in electrical insulation performance and exterior insulation performance, with prevent the effect of insulating bar deformation, with the long adjustment structure of bar, can effectively adjust the parameter of the relevant mechanical property of vacuum interrupter.
Description
Technical field
It the utility model is related to solid insulation ring main unit field, more particularly to a kind of linkage for solid insulation ring main unit
Insulating bar group.
Background technology
Solid insulation ring main unit is a environmental type ring main unit popular in the market, belongs to distribution network systems end
Controller switching equipment.Solid insulation net cabinet has compact appearance and size, environment protecting and power-saving, non-maintaining and safe and reliable etc. performance.
Solid insulation ring main unit includes the insulating bar group of linkage, can by switch and the operating mechanism of the tank module that insulate and
Transmission mechanism connects, and forms complete control system, when reaching operation operating mechanism, can pass through transmission system and insulating bar
The contact closure of vacuum interrupter and tri-station isolating switch or separation is driven to complete the break-make control of major loop.
At present, breaker insulating bar and isolated insulation rod there are problems that some：1) tensile capacity is poor, and pull bar easily occurs
Deformation even comes off fracture；2) the mechanical property difficulty of parameter tuning of vacuum interrupter, it may appear that just-off speed is unreasonable, open away from
It is improper with excess of stroke technical indicator；3) creep age distance of external insulation is inadequate；4) interior insulation intensity difference, easily there is penetrability breakdown.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of good electrical insulating properties and mechanical strength, is easy to
Adjust a kind of linkage insulating bar group for solid insulation ring main unit of vacuum interrupter mechanical property parameter.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of linkage insulating bar group for solid insulation ring main unit, including breaker insulating bar and isolated insulation rod；Its
It is characterised by：The of breaker transmission main shaft is connected in the transmission mechanism of breaker insulating bar, upper end and solid insulation ring main unit
One connecting lever is hinged, and lower end is threadedly coupled with the moving conductive rod of vacuum interrupter；Breaker insulating bar, including first be coaxially disposed
Insulating bar main body, buffer spring, the first drag link sleeve, double end adjusting rod, the first adjusting rod and lower connecting rod；First insulating bar master
Body, including the first insulation core body and the first insulating coating, the multidiameter structure that the first insulation core body top diametrically inside contracts,
The upper and lower ends of the first insulating bar main body are embedded with the steel column inserts being coaxial therewith, and the steel column inserts center of lower end has
Screw thread axis hole；Lower connecting rod, its upper end have the spiral shell with the screw thread shaft hole matching on the first insulating bar main body lower end steel column inserts
Line, and be fully connected with the first insulating bar main body lower end steel column inserts, there is the moving conductive rod with vacuum interrupter to match somebody with somebody for its lower end
The screw thread of conjunction, and be fully connected with the moving conductive rod of vacuum interrupter；First drag link sleeve, external diameter are more than the first insulation core body top
Diameter, first drag link sleeve are metal material, are fixedly connected with the steel column inserts of the first insulating bar main body upper end, described first
Screw thread axis hole is provided with the top of drag link sleeve；First adjusting rod, lower end are provided with the screw thread axis hole being coaxial therewith；Double end adjusting rod, both ends
For screw-rod structure, one end is threadedly coupled with the first drag link sleeve, and the other end is threadedly coupled with the first adjusting rod；Compression spring, it is arranged
In the first insulation core body top, compression spring both ends are provided with spring compressor, are placed in the first drag link sleeve lower surface and the first insulation core body
In the compression groove formed at ladder, the compression spring has 1950~2050N elastic deformation force；The insulating bar main body
First insulating coating is coated in the first insulation core body, bottom top layer and compression spring and spring compressor top layer, the first insulation are outer
Put along its axial direction and be provided with full skirt piece.
Further technical scheme is：Connected in the transmission mechanism of isolated insulation rod, upper end and solid insulation ring main unit
Second connecting lever of isolation transmission main shaft is hinged, and lower end isolates blade connection with tri-station isolating switch；Isolated insulation rod, including
The second insulating bar main body, the second drag link sleeve and the second adjusting rod being coaxially disposed；Second insulating bar main body, including the second insulating core
Body and the second insulating coating；Second drag link sleeve, is metal material, and the second insulation core body top is fixed in its bottom by resilient key
Portion, the second drag link sleeve top are provided with the screw thread axis hole being coaxial therewith；Second adjusting rod, its lower end have and the second drag link sleeve
On screw thread shaft hole matching screw-rod structure, and be threadedly coupled with the second drag link sleeve；The second insulating coating evagination forms umbrella
Skirt, it is coated on the second insulation core body and the second drag link sleeve top layer.
Further technical scheme is：The compression spring has a 45mm free height, and spring line footpath is 7mm, bullet
Spring external diameter is 37mm, and the decrement of compression spring is 8~10mm.
Further technical scheme is：On first insulating coating of the insulating bar main body umbrella is provided with along its axial direction
The distance between skirt piece, a diameter of 35mm of the full skirt piece, adjacent full skirt piece are that the distance between 18mm, both ends full skirt piece is
70mm。
Further technical scheme is：The nominal diameter of the screw-rod structure at the double end adjusting rod both ends is 10mm, spiral shell
Away from for 1.25mm, and the hand of spiral at both ends is on the contrary, the nominal length of its upper end screw-rod structure is 35mm, with the first adjusting rod
Smallest connection length is 15mm, and the nominal length of its lower end screw-rod structure is 28mm, the Smallest connection length with the first drag link sleeve
For 15mm.
Further technical scheme is：The straight length that second insulating coating forms umbrella skirt construction is 266mm, and
In the umbrella skirt construction that second insulating coating is formed, the distance between a diameter of 34mm, adjacent full skirt of full skirt is 7mm.
Further technical scheme is：The nominal diameter of the screw-rod structure of second adjusting rod is 10mm, and pitch is
1.25mm, nominal length 50mm, the Smallest connection length of itself and the second drag link sleeve is 30mm.
Further technical scheme is：First insulating coating of the first insulating bar main body and the second insulating bar main body
The second insulating coating be silicone rubber material.
Further technical scheme is：First insulation core body of the first insulating bar main body and the second insulating bar main body
The second insulation core body be fire-retardant nylon rod.
It is using beneficial effect caused by above-mentioned technical proposal：
(1) spring structure has rational decrement, there is provided certain spring force and energy, solves amount of spring compression mistake
Hour energy storage is inadequate, and just-off speed is small, and the excessive contradiction of closing power, ensures buffer spring when the excessive energy storage of amount of spring compression is excessive
The critical switching point of elastic deformation, the mechanical property parameter for effectively adjustment vacuum interrupter lay the foundation；
(2) compression stress of spring structure can make circuit breaker tie rod buffer stress, slow down the rigidity that breaker insulating bar is subject to
Deformation, avoids breaker insulating bar stress from bent or lose and causes the alignment of insulated tension pole poor；
(3) by the screw-in length of double end adjusting rod and both ends part, the entire length of breaker insulating bar can be adjusted,
So as to control the moved end of vacuum circuit breaker open away from the parameter such as the excess of stroke, be conveniently adjusted vacuum interrupter mechanical property parameter；
(4) structure that the spiral link structure of double end adjusting rod and lower connecting rod are connected with the spiral of steel column inserts, spiral shell
Pulling force suffered by insulating bar is efficiently transferred on the helicitic texture of twin-feed spiral part by rotation structure, significantly reduces the collection of insulating bar
Middle stress point, pulling force is shifted from centralization to distributing, the distribution character of improved force, effectively avoids pull bar deformation greatly or even disconnected
Split the problems such as coming off, the tensile strength of raising rod so that the mechanical property of insulating bar effectively meets device requirement, effectively solution
Certainly pull bar deformation excessive the problems such as mechanical injuries are caused to pull bar；
(5) occur due to easily being influenceed in the interface region of isolation material and air by outside atmospheric conditions along face
Discharge, the voltage's distribiuting on dielectric interface is uneven, and insulating properties are poor, so in the dielectric interface area easily discharged
Domain increases insulator umbrella, strengthens its external insulation tolerance, improves breaker insulating bar body outer surface resistance to voltage, full skirt
Creepage distance compared to plane rationally increases, and spring and spring compressor are carried out into overall parcel with insulation master unit, solves outer
The problem of portion's creepage distance of insulation is inadequate.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the utility model breaker insulating bar；
Fig. 2 is the structural representation of the utility model isolated insulation rod；
Fig. 3 is using state structure diagram of the present utility model.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those skilled in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be different from other manner described here using other to be implemented, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of new intension, therefore the utility model is not limited by following public specific embodiment.
Embodiment one
As shown in figure 3, a kind of linkage insulating bar group for solid insulation ring main unit, including breaker insulating bar 10 and every
From insulating bar 20；Can be effectively by the switch of the insulation module 30 of solid insulation ring main unit and operating mechanism (i.e. breaker behaviour
Make mechanism 40 and isolated operation mechanism 50) and transmission mechanism 60 connect, form complete control system, reach operation actuating
During mechanism, the contact of vacuum interrupter 31 and tri-station isolating switch 32 can be driven by transmission mechanism 60 and linkage insulating bar group
The break-make control of major loop is completed in closure or separation, and the insulating bar group is in addition to reaching rational insulating properties, moreover it is possible to is realized exhausted
Edge pull bar tensile strength effectively prevents from deforming, and ensures the good mechanical property of pull bar.
Breaker transmission main shaft is connected in the transmission mechanism 60 of breaker insulating bar 10, upper end and solid insulation ring main unit
First connecting lever 61 is be hinged, and lower end is threadedly coupled with the moving conductive rod of vacuum interrupter 31.
As shown in figure 1, breaker insulating bar 10, including be coaxially disposed the first insulating bar main body 1, buffer spring 3, first
Drag link sleeve 4, double end adjusting rod 5, the first adjusting rod 6 and lower connecting rod 2.
First insulating bar main body 1, including the first insulation core body and the first insulating coating, the first insulation core body top are in
The multidiameter structure that diameter inside contracts, the upper and lower ends of the first insulating bar main body 1 are embedded with the steel column inserts being coaxial therewith,
The steel column inserts center of lower end has screw thread axis hole.
Lower connecting rod 2, its upper end have the spiral shell with the screw thread shaft hole matching on the lower end steel column inserts of the first insulating bar main body 1
Line, and be fully connected with the lower end steel column inserts of the first insulating bar main body 1, there is the moving conductive rod with vacuum interrupter to match somebody with somebody for its lower end
The screw thread of conjunction, and be fully connected with the moving conductive rod of vacuum interrupter.
First drag link sleeve 4, external diameter are more than the first insulation core body upper diameter, and first drag link sleeve 4 is metal material, with
The steel column inserts of the upper end of first insulating bar main body 1 is fixedly connected, and the top of the first drag link sleeve 4 is provided with screw thread axis hole.
First adjusting rod 6, lower end are provided with the screw thread axis hole being coaxial therewith.
Double end adjusting rod 5, for the first drag link sleeve 4 to be connected with the first adjusting rod 6, its both ends is screw-rod structure, one end
It is threadedly coupled with the first drag link sleeve 4, the other end is threadedly coupled with the first adjusting rod 6.
Wherein, by adjusting the screw-in length of double end adjusting rod 5 and both ends part, breaker insulating bar 10 can be adjusted
Entire length, so as to control the moved end of vacuum circuit breaker 31 open away from the parameter such as the excess of stroke, be conveniently adjusted vacuum interrupter machinery
Characterisitic parameter.
Moreover, the structure that the spiral link structure and lower connecting rod of double end adjusting rod are connected with the spiral of steel column inserts,
Not only act as the effect of connection and regulation, additionally it is possible to be efficiently transferred to pulling force suffered by insulating bar pair when insulating bar stress impact
On the helicitic texture of head helical element.Due to threaded connection be by being engaged what is be attached between ridge and ridge,
Connected piece mutually compresses in the presence of pulling force, will so as to which pulling force is converted into stressed on friction power caused by thread faying face
Pulling force is scattered to be delivered to each circle screw thread, and power becomes scattered by concentrating, the concentration stress point of insulating bar significantly reduced, by pulling force by collecting
Chinese style is shifted to distributing, the distribution character of improved force, the problems such as effectively avoiding pull bar deformation big even breaking releasing, and lifting is drawn
The tensile strength of bar so that the mechanical property of insulating bar effectively meets device requirement, and it is excessive to drawing effectively to solve pull bar deformation
Bar causes the problems such as mechanical injuries.And insulating bar stress is impacted mainly during division is switched, once close
Or disconnect, screw thread herein only plays connection.
Compression spring 3, is sheathed on the first insulation core body top, and the both ends of compression spring 3 are provided with spring compressor 7, are placed in the first drawing
In the compression groove formed at the lower surface of rod set 4 and the first insulation core body ladder, the compression spring 3 has 1950~2050N's
Elastic deformation force, preferred value 2000N.
Spring provide 1950-2050N elastic deformation force when, regulation open away from the excess of stroke vacuum interrupter indication range
Interior, its mechanical property data table is as follows, reliably meets DL/T 1586-201612kV solid insulation metal enclosed switchgears
With the requirement of control device：
Spring structure has rational decrement, there is provided certain spring force and energy, it is too small to solve amount of spring compression
When energy storage it is inadequate, just-off speed is small, and closing power excessive contradiction when the excessive energy storage of amount of spring compression is excessive, just-off speed is too small,
It is unfavorable for vacuum interrupter moving contact drop-out current, vacuum interrupter connecting-disconnecting function is unable to reach, and closing power is excessive, and moving contact will
Bear excessive mechanical stress and impact, pressure is excessive between dynamic/static contact causes contact deformation is serious, spring is excessive to cause contact
Wear-thickness exceedes permissible value, damages contact and may damage bellows.
The compression stress of spring structure can make breaker insulating bar 10 buffer stress, slow down breaker insulating bar 10 be subject to it is firm
Property deformation, avoid the stress of breaker insulating bar 10 from bent or lose and cause the alignment of insulated tension pole poor, once insulating bar deformation
To certain degree, the axial tension that vacuum interrupter should be subject to will have certain misalignment angle, insulating bar with axial direction
The axial component of pulling force will act on vacuum interrupter, and angle is excessive, and the axial component of pulling force certainly will be not enough to pull vacuum to go out
Arc chamber is cut-off, conversely, to provide enough axial components acts on vacuum interrupter, it is desirable to which sufficiently large insulating bar is drawn
Power, and the pulling force is possible to the pulling force critical value for having exceeded insulated tension pole and is broken pull bar when angle is excessive.
First insulating coating of insulating bar main body 1 is coated in the first insulation core body, bottom top layer and the and of compression spring 3
The top layer of spring compressor 7, full skirt piece 8 is provided with along its axial direction on the first insulating coating.In the interface area of isolation material and air
Domain is easily influenceed by outside atmospheric conditions and creeping discharge occurs, and the voltage's distribiuting on dielectric interface is uneven, insulating properties
Can be poor, increase insulator umbrella in the dielectric interface region easily discharged, strengthen its external insulation tolerance, improve disconnected
Road device insulating bar body outer surface resistance to voltage.Breaker insulating bar 10 carries out umbrella skirt construction and set, compared to the surface distance of plane
Clutch reason increase, and spring and spring compressor are subjected to integral insulation parcel with insulation master unit, by analyzing electric-field intensity
And optimization, solve the problems, such as that exterior insulation creep age distance is inadequate.
Embodiment two
It is with the difference of embodiment one, makes the spring cal(l)ipers of elastic deformation force of the compression spring 3 with 1950~2050N
Lattice have a variety of, and wherein compression spring 3 has 45mm free height, and spring line footpath be 7mm, spring outer diameter 37mm, compression bullet
The decrement of spring 3 is 8~10mm, more meets the design size requirement of breaker insulating bar 10.And material used in buffer spring 3
For 60Si2Mn, buffer spring select silicon-manganese spring steel material design, have good tensile strength and yield strength, elongation,
The mechanical properties such as the contraction percentage of area, larger load can be born.
Embodiment three
It is with the difference of embodiment one, the first insulation core body of the first insulating bar main body 1 is the fire-retardant Buddhist nun of high intensity
Imperial rod, insulating bar micro-strain and impact when its interior insulation intensity is drastically changed by heating component temperature, operating mechanism acts
The influence of the external environment conditions such as power is very small, and the material has high electrical property, impact strength height, high rigidity, height heat-resisting, good
Dimensional stability, and deterioration of the environment on insulating materials influences small, and built-in electrical insulation performance can be ensured.More importantly
It is adapted to molding pouring molding, is adapted to placing steel pole inserts.First insulating coating of the first insulating bar main body 1 is silicone rubber material,
With excellent insulating properties, and high- and low-temperature resistance performance, insulating coating is avoided to ftracture.
Example IV
It is with the difference of embodiment one, full skirt rationally increases compared to the creepage distance of plane, and full skirt is dredged up to not excessively
Overstocked and can cause directly to climb electricity between adjacent full skirt to the requirement of creep age distance, the rational density of umbrella skirt construction is that optimization is set
The key of meter.
The distance between a diameter of 35mm of full skirt piece 8, adjacent full skirt piece 8 is the distance between 18mm, both ends full skirt piece 8
For 70mm, rational full skirt size and density, ensure external insulation performance, full skirt shape structure further increases creep distance, ensures
The external insulation distance of safe enough, effectively solve the problems, such as that dielectric strength difference and external insulation creep distance are inadequate.
Embodiment five
The specification for being double end adjusting rod 5 with the difference of embodiment one is chosen, the screw rod at the both ends of double end adjusting rod 5
The nominal diameter of structure is 10mm, pitch 1.25mm, and the hand of spiral at both ends is on the contrary, the nominal length of its upper end screw-rod structure
Spend for 35mm, the Smallest connection length with the first adjusting rod is 15mm, and the nominal length of its lower end screw-rod structure is 28mm, with
The Smallest connection length of one drag link sleeve is 15mm, ensures its bonding strength.
Moreover, the threaded upper ends size of lower connecting rod 2 is M10 × 1.25 × 25, lower end thread size is M10 × 1.25 × 35
(unit：mm).
Embodiment six
As shown in Fig. 2 it is the biography of isolated insulation rod 20, upper end and solid insulation ring main unit with the difference of embodiment one
Second connecting lever 62 of connection isolation transmission main shaft is be hinged in motivation structure 60, and lower end connects with the blade of isolating of tri-station isolating switch 32
Connect；Isolated insulation rod 20, including the second insulating bar main body 11, the second drag link sleeve 13 and the second adjusting rod 14 being coaxially disposed；The
Two insulating bar main bodys 11, including the second insulation core body and the second insulating coating；Second drag link sleeve 13, it is metal material, for ease of
Installation, its bottom are fixed at the top of the second insulation core body by resilient key, and the top of the second drag link sleeve 13, which is provided with, to be coaxial therewith
Screw thread axis hole；Second adjusting rod 14, its lower end have the screw-rod structure with the screw thread shaft hole matching on the second drag link sleeve 13, and
It is threadedly coupled with the second drag link sleeve 13；The second insulating coating evagination forms full skirt, is coated on the second insulation core body and second
The top layer of drag link sleeve 13.
Isolated insulation rod 20 has full skirt insulation structure in the outer surface of the second insulating bar main body 11 compared with Conventional insulation rod
Make, be provided simultaneously with carrying out overall length adjusted design to the second adjusting rod 14.It is unreasonable effectively to solve the length of isolated insulation rod 20
And when can not adjust, it is possible to cause isolation moving knife to be contacted with isolation static contact excessive, and too small, Huo Zheyu is contacted with earthing
It is excessive to isolate static contact contact, and the problem of inadequate is contacted with earthing.By the regulation to isolated insulation rod 20, it is allowed to access
After control system, isolation cutting blade can be driven with isolating static contact, grounding contact has rational contact area.
Embodiment seven
It is with the difference of embodiment six, the straight length that the second insulating coating forms umbrella skirt construction is 266mm, and the
In the umbrella skirt construction that two insulating coatings are formed, the distance between a diameter of 34mm, adjacent full skirt of full skirt is 7mm, increases creep distance,
The external insulation distance of safe enough is ensure that, effectively solves the problems, such as that dielectric strength difference and external insulation creep distance are inadequate.
Embodiment eight
It is with the difference of embodiment six, the nominal diameter of the screw-rod structure of the second adjusting rod is 10mm, and pitch is
1.25mm, nominal length 50mm, the Smallest connection length of itself and the second drag link sleeve is 30mm, ensures its bonding strength, and can
Enough carry out length adjustment.
Embodiment nine
It is with the difference of embodiment six, the second insulating coating of the second insulating bar main body 11 is silicone rubber material, the
Second insulation core body of two insulating bar main bodys 11 is the fire-retardant nylon rod of high intensity, has and is acted on the identical of embodiment three.
It the above is only preferred embodiment of the present utility model, anyone is according to content of the present utility model to the utility model
A little simple modification, deformation and the equivalent substitution made each falls within the scope of protection of the utility model.
Claims (9)
1. a kind of linkage insulating bar group for solid insulation ring main unit, including breaker insulating bar and isolated insulation rod；It is special
Sign is：
The first connecting lever of breaker transmission main shaft is connected in the transmission mechanism of breaker insulating bar, upper end and solid insulation ring main unit
Be hinged, lower end is threadedly coupled with the moving conductive rod of vacuum interrupter；
Breaker insulating bar, including be coaxially disposed the first insulating bar main body, buffer spring, the first drag link sleeve, double end adjusting rod,
First adjusting rod and lower connecting rod；
First insulating bar main body, including the first insulation core body and the first insulating coating, the first insulation core body top is diametrically
The multidiameter structure inside contracted, the upper and lower ends of the first insulating bar main body are embedded with the steel column inserts being coaxial therewith, lower end
Steel column inserts center there is screw thread axis hole；
Lower connecting rod, its upper end have the screw thread with the screw thread shaft hole matching on the first insulating bar main body lower end steel column inserts, and
It is fully connected with the first insulating bar main body lower end steel column inserts, its lower end has the spiral shell coordinated with the moving conductive rod of vacuum interrupter
Line, and be fully connected with the moving conductive rod of vacuum interrupter；
First drag link sleeve, external diameter are more than the first insulation core body upper diameter, and first drag link sleeve is metal material, exhausted with first
The steel column inserts of edge rod main body upper end is fixedly connected, and screw thread axis hole is provided with the top of first drag link sleeve；
First adjusting rod, lower end are provided with the screw thread axis hole being coaxial therewith；
Double end adjusting rod, both ends are screw-rod structure, and one end is threadedly coupled with the first drag link sleeve, the other end and the first adjusting rod screw thread
Connection；
Compression spring, the first insulation core body top is sheathed on, compression spring both ends are provided with spring compressor, are placed in the first drag link sleeve lower end
In the compression groove formed at face and the first insulation core body ladder, the compression spring has 1950~2050N elastic deformation force；
First insulating coating of the insulating bar main body is coated in the first insulation core body, bottom top layer and compression spring and bullet
Spring cap top layer, full skirt piece is provided with along its axial direction on the first insulating coating.
A kind of 2. linkage insulating bar group for solid insulation ring main unit according to claim 1, it is characterised in that：
Isolated insulation rod, the second connecting lever that upper end isolates transmission main shaft with connection in the transmission mechanism of solid insulation ring main unit are cut with scissors
Connect, lower end isolates blade connection with tri-station isolating switch；
Isolated insulation rod, including the second insulating bar main body, the second drag link sleeve and the second adjusting rod being coaxially disposed；
Second insulating bar main body, including the second insulation core body and the second insulating coating；
Second drag link sleeve, it is metal material, its bottom is fixed at the top of the second insulation core body by resilient key, second pull bar
Set top is provided with the screw thread axis hole being coaxial therewith；
Second adjusting rod, its lower end have a screw-rod structure with the screw thread shaft hole matching on the second drag link sleeve, and with the second pull bar
External threading connects；
The second insulating coating evagination forms full skirt, is coated on the second insulation core body and the second drag link sleeve top layer.
A kind of 3. linkage insulating bar group for solid insulation ring main unit according to claim 1, it is characterised in that：It is described
Compression spring has a 45mm free height, and spring line footpath is 7mm, spring outer diameter 37mm, the decrement of compression spring for 8~
10mm。
A kind of 4. linkage insulating bar group for solid insulation ring main unit according to claim 1, it is characterised in that：It is described
Full skirt piece is provided with along its axial direction on first insulating coating of insulating bar main body, a diameter of 35mm of the full skirt piece is adjacent
The distance between full skirt piece is that the distance between 18mm, both ends full skirt piece is 70mm.
A kind of 5. linkage insulating bar group for solid insulation ring main unit according to claim 1, it is characterised in that：It is described
The nominal diameter of the screw-rod structure at double end adjusting rod both ends is 10mm, pitch 1.25mm, and both ends hand of spiral on the contrary, its
The nominal length of upper end screw-rod structure is 35mm, and the Smallest connection length with the first adjusting rod is 15mm, its lower end screw-rod structure
Nominal length be 28mm, the Smallest connection length with the first drag link sleeve is 15mm.
A kind of 6. linkage insulating bar group for solid insulation ring main unit according to claim 2, it is characterised in that：It is described
The straight length that second insulating coating forms umbrella skirt construction is 266mm, and in the umbrella skirt construction of the second insulating coating formation, full skirt
The distance between a diameter of 34mm, adjacent full skirt be 7mm.
A kind of 7. linkage insulating bar group for solid insulation ring main unit according to claim 2, it is characterised in that：It is described
The nominal diameter of the screw-rod structure of second adjusting rod is 10mm, pitch 1.25mm, nominal length 50mm, itself and the second pull bar
The Smallest connection length of set is 30mm.
A kind of 8. linkage insulating bar group for solid insulation ring main unit according to claim 2, it is characterised in that：It is described
First insulating coating of the first insulating bar main body and the second insulating coating of the second insulating bar main body are silicone rubber material.
A kind of 9. linkage insulating bar group for solid insulation ring main unit according to claim 2, it is characterised in that：It is described
First insulation core body of the first insulating bar main body and the second insulation core body of the second insulating bar main body are fire-retardant nylon rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749932.5U CN206976921U (en) | 2017-06-26 | 2017-06-26 | A kind of linkage insulating bar group for solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749932.5U CN206976921U (en) | 2017-06-26 | 2017-06-26 | A kind of linkage insulating bar group for solid insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206976921U true CN206976921U (en) | 2018-02-06 |
Family
ID=61409906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720749932.5U Withdrawn - After Issue CN206976921U (en) | 2017-06-26 | 2017-06-26 | A kind of linkage insulating bar group for solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206976921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147032A (en) * | 2017-06-26 | 2017-09-08 | 河北电力装备有限公司 | A kind of linkage insulating bar group for solid insulation ring main unit |
-
2017
- 2017-06-26 CN CN201720749932.5U patent/CN206976921U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147032A (en) * | 2017-06-26 | 2017-09-08 | 河北电力装备有限公司 | A kind of linkage insulating bar group for solid insulation ring main unit |
| CN107147032B (en) * | 2017-06-26 | 2023-03-28 | 河北电力装备有限公司 | Linkage insulation rod group for solid insulation ring main unit |
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