CN110212478A - The bus unit of pipeline bus, pipeline bus - Google Patents
The bus unit of pipeline bus, pipeline bus Download PDFInfo
- Publication number
- CN110212478A CN110212478A CN201910395444.2A CN201910395444A CN110212478A CN 110212478 A CN110212478 A CN 110212478A CN 201910395444 A CN201910395444 A CN 201910395444A CN 110212478 A CN110212478 A CN 110212478A
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- conducting rod
- bus
- insulator
- bus unit
- supporting insulator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/063—Totally-enclosed installations, e.g. in metal casings filled with oil or gas
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- Oil, Petroleum & Natural Gas (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
The present invention relates to a kind of pipeline bus, the bus unit of pipeline bus.The bus unit of pipeline bus includes cylinder, conducting rod and insulator, and insulator is divided into fixed supporting insulator and movable supporting insulator;Fixed supporting insulator is equipped with conductive insert, and the side of conductive insert is equipped with fixed structure, and the other side is equipped with connected structure;Movable supporting insulator is perforated equipped with conducting rod, and conducting rod entire length is less than the length of cylinder, and conducting rod is equipped with removable section close to one end of fixed supporting insulator, and conducting rod stretches out bus unit far from one end of fixed supporting insulator;Removable section of length is greater than the mating length of conducting rod and conductive insert.The present invention need to only disassemble removable section, so that it may will wherein one section of bus unit disassemble from entire pipeline bus.Disassembly is more convenient, removal efficiency greatly improves, and maintenance cost also accordingly reduces.
Description
Technical field
The present invention relates to a kind of pipeline bus, the bus unit of pipeline bus.
Background technique
Gas-insulated metal closed power transmission line (GIL) transmission energy is big, electric energy loss is small, high reliablity, in special feelings
It is widely used in ac transmission under condition, becomes the preferred option of substitution overhead transmission line.GIL generally requires to transport for a long time
There is row high security, if its insulating element, which breaks down, may cause regional power failure, to cause for high pressure GIL
Weight huge economic loss, thus it is higher to the reliability requirement of high pressure GIL, it is necessary to use dedicated insulating element.
Currently, high pressure GIL insulating element mainly includes disc insulator and three support insulators, disc insulator can only
It is used to support high-pressure conductor, cannot achieve sliding support, i.e., can not adapt to high-pressure conductor because the length for generation of expanding with heat and contract with cold changes
Requirement to installation;It is (i.e. conductive embedding that each pillar of three support insulators one end close to each other is equipped with thin-wall metal inserts
Part), though being able to achieve sliding support, structure is complicated for three support insulators, and it is big to pour dress difficulty, especially thin-wall metal inserts and ring
Oxygen resin bonding is ineffective, and resin metallic interface disqualification rate remains high, this is safe hidden to have buried in high pressure GIL operation
Suffer from.In addition, thin-walled inserts need to link together with contact tube, current connection type mainly has press fitting and is welded, and no matter uses
Which kind of mode, thin walled central inserts can stress deformation, while causing epoxy resin stress variation, bonding plane caused to deteriorate, drop
The low insulation service life.Also there is the GIL using one-mast support insulator in the prior art, as Authorization Notice No. is CN204441840U
A kind of GIL structure disclosed in Chinese utility model patent, including conductor (i.e. conducting rod), shell, supporting insulator, supports insulative
Sub- one end is fixed on the shell, and the other end is provided with through-hole, is used to support the conductor penetrated from through-hole.This GIL is using single branch
The structure of column insulator simplifies the structure of conventional column insulator, but when in use, conductor passes through one-mast support supports insulative
Through-hole and conductor both ends on son usually extend respectively in two adjacent bus units, if the bus unit is out of order and needs
When integrally taking out, conductor is difficult to be axially moveable, and radially take out bus unit when, conductor both ends can be with adjacent two
Block occurs for the cylinder of bus unit, removes bus unit inconvenient.
In view of important meaning of the GIL equipment in power grid, the problem occurred in installation, maintenance and maintenance should be given more
More concerns, since GIL equipment is a kind of transmission facility of shell seal and laying-out is generally longer, in GIL bus
Section generally comprises multiple bus units, bus unit have shell and by insulator support be located in shell conducting rod (
Referred to as center conductor), if a certain bus unit breaks down in operational process, generally require one end from whole GIL bus section, busbar section
It dismantles to one bus unit, one bus unit, until by the bus unit dismounting and change of failure, this disassembly mode is dismantled
Efficiency is very low.There is also the modes that removable bus unit is arranged between two neighboring bus unit will go out event in the prior art
The bus unit of barrier is dismantled, a kind of removable mother as disclosed in the Chinese invention patent application that application publication number is CN104538916A
Line unit and rigid gas insulated power route, but structure is complicated for this removable bus unit, components are more, and disassembly is not
Just, it needs that more removable bus unit is arranged in laying-out, maintenance cost greatly improves.
Summary of the invention
The purpose of the present invention is to provide a kind of pipeline bus, to solve gas-insulated metal-enclosed transmission of electricity in the prior art
When the pipeline bus median generatrix unit of route is out of order the technical issues of inconvenient maintenance;The object of the invention is also to provide one kind
The bus unit of pipeline bus, the technical issues of to solve bus unit inconvenient maintenance in the prior art.
To achieve the above object, the technical solution of the bus unit of pipeline bus of the invention is: the bus of pipeline bus
Unit includes cylinder, is arranged in the intracorporal conducting rod of cylinder and for conducting rod to be supported on the intracorporal insulator of cylinder,
The insulator is one-mast support insulator, is divided into fixed supporting insulator and movable supporting insulator;Fixed supports insulative
Son which is provided with conductive insert, and the side of conductive insert is equipped with the fixed structure fixed for the conducting rod in this bus unit, separately
Side is equipped with for the connected structure mating with the conducting rod in adjacent bus unit;
Movable supporting insulator which is provided with conducting rod perforation, pass through for conducting rod along the axial activity of bus unit with realization pair
The radial support of conducting rod;
Conducting rod, entire length are less than the length of cylinder, and conducting rod is equipped with removable section close to one end of fixed supporting insulator,
Conducting rod stretches out bus unit far from one end of fixed supporting insulator;Removable section of the both ends respectively with the residue of conducting rod
Part and the removable fixation of conductive insert are radially dismantled with realizing along cylinder;Removable section of length is greater than conducting rod and the conduction is embedding
The mating length of part;
The one-mast support insulator is removable to be fixed on cylinder, and cylinder is equipped with service ports, is equipped with removable capping, institute at service ports
Service ports are stated to protrude into cylinder for tool to dismantle described removable section;
Radially there is avoiding space in cylinder in the cylinder, avoiding space is for conducting rod along bus unit axially into whole
Body is in the cylinder of bus unit.
The beneficial effect of the bus unit of pipeline bus of the invention is: the side of conductive insert in fixed supporting insulator
Removable section of conducting rod for fixing in this bus unit so that conducting rod is capable of fixing in cylinder, conductive insert it is another
Side has a connected structure for the conducting rod grafting in adjacent bus unit, and removable section of length be greater than conducting rod with it is described
The mating length of conductive insert removes removable section, from conducting rod and fixed supporting insulator to make fixed support
Insulator can be separated and be removed with conducting rod, provided axial activity space for conducting rod, made conducting rod from adjacent bus unit
It is extracted in connected structure in middle fixed supporting insulator, and then keeps conducting rod and movable supporting insulator whole using avoiding space
It is not extend to outside bus unit in the bus unit.Adjacent two sections of bus units are disassembled according to above-mentioned steps, make two sections
The conducting rod of bus unit is become being integrally located at the corresponding bus unit of the conducting rod by the state protruded into another bus unit
In state.One section in two sections of bus units, neither conducting rod is protruded into remaining bus unit, also not by remaining bus
The influence of the conducting rod of unit, at this point it is possible to which the bus unit is disassembled from entire pipeline bus.It does not need as existing
Technology is the same to be dismantled since one of whole section of bus or realizes disassembly by dismantling removable bus unit, disassembly is more convenient,
Removal efficiency greatly improves, and maintenance cost also accordingly reduces.
Further, the connected structure have for the conducting rod in adjacent bus unit is conductive mating inserts
Section is connect, also there is the accommodating section for accommodating the inserted terminal of conducting rod in adjacent bus unit along plugging direction, the accommodating section
Axial dimension be greater than or equal to inserting section axial dimension.
It is beneficial in that, is dismantling the fixed supports insulative period of the day from 11 p.m. to 1 a.m, is having bigger axial avoiding space, can be more square
Just disassembly.
Further, removable section of the axial ends is equipped with connecting flange, real by connecting flange and corresponding bolt
Existing removable fixation.
It is beneficial in that, can facilitate the disassembly of conducting rod using the program.
Further, determine to be equipped with twice fingertip between the conductive insert and the conducting rod in supporting insulator, twice touching
Refer to along cylinder axial direction arranged for interval, is equipped with the guide ring for being oriented to conducting rod between the two.
It is beneficial in that the fingertip is mainly used for carrying the rated current of pipeline bus, and guide ring is moved in conducting rod
Play the guiding role when dynamic to conducting rod, and guide ring be arranged between twice fingertip can increase the inserted terminal of conducting rod it is axial can
The angle of deflection.
Further, movable supporting insulator includes conductive insert, the inner wall of the conductive insert on movable supporting insulator
It is equipped at least two guide rings between the conducting rod, is equipped between two of them guide ring together for making conducting rod and work
The equipotential fingertip of conductive insert in dynamic supporting insulator.
It is beneficial in that, the movable function of movable supporting insulator is able to achieve by fingertip, i.e., when conducting rod is because of warm
When swollen shrinkage or other deformations cause length to change, conducting rod will overcome the frictional force of fingertip and slide axially;In addition, fingertip
It is also used to make conductive insert equipotential on conducting rod and movable supporting insulator.
Further, the service ports at fixed supporting insulator and/or the service ports at movable supporting insulator are insulation
Sub- outlet, insulator outlet is radial corresponding along cylinder with one-mast support insulator, for the fixation supporting insulator of corresponding position
Or movable supporting insulator takes out out of cylinder.
It is beneficial in that, can take fixed supporting insulator and movable supporting insulator from insulator outlet
Out, thus after convenient insulator and conducting rod dismounting, for only needing to take out insulator without dismantling bus unit
The case where, it is more convenient.
It is beneficial in that one end of bus unit is arranged in the fixed supporting insulator, and the movable supporting is exhausted
The middle part of bus unit is arranged in edge.
It is beneficial in that, can guarantee the secured support between two insulators using the program, absolutely convenient for two
Centering between edge, while the usage quantity of insulator is saved, guarantee the overall economy quality of pipeline bus.
The technical solution of pipeline bus of the invention is: pipeline bus includes the bus unit successively docked, pipeline bus
Bus unit include cylinder, be arranged in the intracorporal conducting rod of cylinder and for conducting rod to be supported on the intracorporal insulator of cylinder,
The insulator is one-mast support insulator, is divided into fixed supporting insulator and movable supporting insulator;Fixed supports insulative
Son which is provided with conductive insert, and the side of conductive insert is equipped with the fixed structure fixed for the conducting rod in this bus unit, separately
Side is equipped with for the connected structure mating with the conducting rod in adjacent bus unit;
Movable supporting insulator which is provided with conducting rod perforation, pass through for conducting rod along the axial activity of bus unit with realization pair
The radial support of conducting rod;
Conducting rod, entire length are less than the length of cylinder, and conducting rod is equipped with removable section close to one end of fixed supporting insulator,
Conducting rod stretches out bus unit far from one end of fixed supporting insulator;Removable section of the both ends respectively with the residue of conducting rod
Part and the removable fixation of conductive insert are radially dismantled with realizing along cylinder;Removable section of length is greater than conducting rod and the conduction is embedding
The mating length of part;
The one-mast support insulator is removable to be fixed on cylinder, and cylinder is equipped with service ports, is equipped with removable capping, institute at service ports
Service ports are stated to protrude into cylinder for tool to dismantle described removable section;
Radially there is avoiding space in cylinder in the cylinder, avoiding space is for conducting rod along bus unit axially into whole
Body is in the cylinder of bus unit.
The beneficial effect of pipeline bus of the invention is: the side of conductive insert is for fixing this in fixed supporting insulator
Removable section of conducting rod in bus unit, so that conducting rod is capable of fixing in cylinder, the other side of conductive insert, which has, to be supplied
The connected structure of conducting rod grafting in adjacent bus unit, and removable section of length is greater than conducting rod and the conductive insert
Mating length removes removable section, from conducting rod and fixed supporting insulator to enable fixed supporting insulator
It separates and removes with conducting rod, provide axial activity space for conducting rod, make conducting rod fixed support from adjacent bus unit
It is extracted in connected structure on insulator, and then so that conducting rod and movable supporting insulator is integrally located at the bus using avoiding space
It is not extend to outside bus unit in unit.Adjacent two sections of bus units are disassembled according to above-mentioned steps, make two sections of bus units
Conducting rod becomes the state being integrally located in the corresponding bus unit of the conducting rod by the state protruded into another bus unit.
One section in two sections of bus units, neither conducting rod is protruded into remaining bus unit, is not also led by remaining bus unit
The influence of electric pole, at this point it is possible to which the bus unit is disassembled from entire pipeline bus.It does not need as the prior art
It dismantles or passes through since one of whole section of bus and dismantle removable bus unit realization disassembly, disassembly more convenience, removal efficiency
It greatly improves, maintenance cost also accordingly reduces.
Further, the connected structure have for the conducting rod in adjacent bus unit is conductive mating inserts
Section is connect, also there is the accommodating section for accommodating the inserted terminal of conducting rod in adjacent bus unit along plugging direction, the accommodating section
Axial dimension be greater than or equal to inserting section axial dimension.
It is beneficial in that, is dismantling the fixed supports insulative period of the day from 11 p.m. to 1 a.m, is having bigger axial avoiding space, can be more square
Just disassembly.
Further, removable section of the axial ends is equipped with connecting flange, real by connecting flange and corresponding bolt
Existing removable fixation.
It is beneficial in that, can facilitate the disassembly of conducting rod using the program.
Further, determine to be equipped with twice fingertip between the conductive insert and the conducting rod in supporting insulator, twice touching
Refer to along cylinder axial direction arranged for interval, is equipped with the guide ring for being oriented to conducting rod between the two.
It is beneficial in that the fingertip is mainly used for carrying the rated current of pipeline bus, and guide ring is moved in conducting rod
Play the guiding role when dynamic to conducting rod, and guide ring be arranged between twice fingertip can increase the inserted terminal of conducting rod it is axial can
The angle of deflection.
Further, movable supporting insulator includes conductive insert, the inner wall of the conductive insert on movable supporting insulator
It is equipped at least two guide rings between the conducting rod, is equipped between two of them guide ring together for making conducting rod and work
The equipotential fingertip of conductive insert in dynamic supporting insulator.
It is beneficial in that, the movable function of movable supporting insulator is able to achieve by fingertip, i.e., when conducting rod is because of warm
When swollen shrinkage or other deformations cause length to change, conducting rod will overcome the frictional force of fingertip and slide axially;In addition, fingertip
It is also used to make conductive insert equipotential on conducting rod and movable supporting insulator.
Further, the service ports at fixed supporting insulator and/or the service ports at movable supporting insulator are insulation
Sub- outlet, insulator outlet is radial corresponding along cylinder with one-mast support insulator, for the fixation supporting insulator of corresponding position
Or movable supporting insulator takes out out of cylinder.
It is beneficial in that, can take fixed supporting insulator and movable supporting insulator from insulator outlet
Out, thus after convenient insulator and conducting rod dismounting, for only needing to take out insulator without dismantling bus unit
The case where, it is more convenient.
It is beneficial in that one end of bus unit is arranged in the fixed supporting insulator, and the movable supporting is exhausted
The middle part of bus unit is arranged in edge.
It is beneficial in that, can guarantee the secured support between two insulators using the program, absolutely convenient for two
Centering between edge, while the usage quantity of insulator is saved, guarantee the overall economy quality of pipeline bus.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bus unit of pipeline bus provided by the invention;
Fig. 2 is the structural schematic diagram of the fixation supporting insulator of the bus unit of pipeline bus provided by the invention;
Fig. 3 is the structural schematic diagram of the movable supporting insulator of the bus unit of pipeline bus provided by the invention;
Fig. 4 is the structural schematic diagram (only showing wherein three sections) of pipeline bus provided by the invention.
In figure: 1- bus unit, the fixed supporting insulator of 2-, 3- movable supporting insulator, 4- conducting rod, 41- conducting rod
Ontology, removable section of 42-, the first center conductor of 5-, the second center conductor of 6-, 7- cylinder, 8- screw, 9- service ports, 10- supports curved
Plate, 11- branch cylinder, 12- shielding case, 13- capping, 14- epoxy resin, 15- fingertip, 16- guide ring, 17- inserts, 18- grafting
Hole, 19- inserted terminal, 20- fixing end, the first bus unit of 21-, the second bus unit of 22-, 23- third bus unit, 24- are led
Xiang Huan.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of the bus unit of pipeline bus of the invention, as shown in Figure 1, Figure 2 and Figure 3, bus unit 1 wrap
Include cylinder 7, the conducting rod being arranged in cylinder 74 and the insulator for being supported on conducting rod 4 in cylinder 7.Insulator includes
Fixed supporting insulator 2 and movable supporting insulator 3, the two are one-mast support insulator, that is, have a supporting leg, insulator
Bottom end is for the fixing end fixed with cylinder, and top is the conducting rod abutting end for being adapted to conducting rod.Conducting rod 4 includes
Conductive bar body 41 with removable section 42, be left and right directions and fixed supporting insulator setting in work using the extending direction of tubular axis
The left side of dynamic supporting insulator, the right end that conductive bar body 41 extends along direction is inserted terminal 19, and left end is fixing end 20.
Fixed supporting insulator 2 and movable supporting insulator 3 are all made of 14 moulding by casting of epoxy resin, and lower end is equipped with
Inserts 17.The left end of entire bus unit 1 is arranged in fixed supporting insulator 2, and movable supporting insulator 3 is arranged in entire bus
The middle part of unit 1.Fixed supporting insulator 2 includes the insulating body by 14 moulding by casting of epoxy resin and is arranged in insulating body
The first axially extending center conductor 5 interior and along conducting rod 4, the first center conductor 5 are the conduction in fixed supporting insulator 2
Inserts is conductively connected with conducting rod 4, and the conductive insert thickness is more than 10mm, easily manufactured, when connecting with conducting rod 4, is saved
The process having omited press fitting or being welded will not influence the adhesive effect of the first center conductor 5 and epoxy resin.Removable section 42 along axis
To both ends be equipped with connecting flange, on the first center conductor 5 and fixing end 20 is correspondingly provided with fixed structure, specifically, Gu
Determining structure is respectively that the threaded hole of 5 end of the first center conductor is arranged in and the threaded hole of fixing end 20 is arranged in, and is located at removable
The connecting flange in 42 left side of section is fixed on the right side of the first center conductor 5, the connection method positioned at removable section 42 right side by screw 8
Orchid is fixed on the left side of conductive bar body 41 by screw 8, facilitates removable section 20 of installation and removal.First center conductor
5 left side has for the connected structure mating with the inserted terminal 19 of the conducting rod in adjacent left side bus unit, this
In embodiment, connected structure is the spliced eye 18 being arranged on the first center conductor 5 along the axial direction of conducting rod 4.Spliced eye 18
With the inserting section for the conductive grafting of conducting rod 4 and the accommodating section for accommodating conducting rod 4 along plugging direction, the diameter of accommodating section
Greater than the diameter of inserting section and the axial dimension of accommodating section is equal to the axial dimension of inserting section, makes the axial ruler of spliced eye 18 in this way
Very little twice for being actually inserted into depth equal to conducting rod 4 in adjacent bus unit, i.e., in the inserted terminal 19 and spliced eye of conducting rod 4
After 18 realize that grafting is conductive, still with certain along the axial movable stroke of spliced eye 18.It can make to dismantle fixed support absolutely
There is biggish avoiding space, convenient for the disassembly of fixed supporting insulator 2 when edge 2.Certainly in other embodiments, accommodating section
Axial dimension can also be greater than inserting section axial dimension, i.e., at this time conducting rod pluggable depth increase.In other implementations
In example, the axial dimension of accommodating section, which can be less than in the axial dimension or connected structure of inserting section, does not have accommodating section.
Twice fingertip 15, the fingertip 15 in the present embodiment are equipped between first center conductor 5 and the inserted terminal 19 of conducting rod 4
For spring touch finger, it is mainly used for carrying the rated current of tube body bus, it certainly in other embodiments, can also be according to tube body mother
The size of line rated current selects the fingertip of different materials, sectional area and quantity, for example, by using watchband-shaped contactor or other forms
Cyclic annular fingertip, fingertip quantity can be to be more than one or two;In other embodiments, fingertip also be can be set on conducting rod 4.
It is carried out when being equipped with movable in spliced eye 18 for the inserted terminal 19 in conducting rod 4 between twice fingertip 15
A guide ring 16 is arranged in the guide ring 16 of guiding, is capable of increasing the angle deflectable in the axial direction of inserted terminal 19 of conducting rod 4
It spends, in the present embodiment, the axial deflection maximum angle of conducting rod inserted terminal 19 can reach 2.5 °.
Fixed supporting insulator 2 is fixed with a shielding case 12 by screw in the side of fingertip 15, and shielding case 12 can be big
The big electric field strength reduced near fixed supporting insulator.In order to obtain more optimized electric field, the length of R is greater than or waits in Fig. 2
In 50mm.In order to guarantee the mechanical strength of fixed supporting insulator 2, the size of H is greater than or equal to 7mm in Fig. 2.
Movable supporting insulator 3 is equipped with the second center that is coaxial with the first center conductor 5 and being conductively connected with conducting rod 4
Conductor 6, the second center conductor 6 are the conductive insert on movable supporting insulator 3, the conductive insert thickness also more than 10mm,
Easily manufactured, when connecting with conducting rod 4, the process that press fitting is omitted or is welded will not influence the second center conductor 6 and ring
The adhesive effect of oxygen resin.Fingertip together is equipped between second center conductor 6 and conducting rod 4, in order to facilitate the processing of fingertip slot,
Center of the side of movable supporting insulator 3 without movable supporting insulator 3 is arranged in is arranged in the fingertip.It needs to illustrate
, it is spring touch finger that the fingertip is identical as the material of above-mentioned fingertip 15, but the sectional area of the fingertip is than above-mentioned fingertip 15
Sectional area it is big, be mainly used for realize movable supporting insulator 3 movable function and realize conducting rod 4 and the second center conductor
6 equipotentials.When conducting rod 4 because expand with heat and contract with cold or other deformation cause length to change when, conducting rod 4 overcomes rubbing for the fingertip
Wipe power and it is axially moveable, i.e., relative to the second center conductor 6 relative motion can occur for conducting rod 4.
Two sides of the movable supporting insulator 3 between conducting rod 4 and the second center conductor 6 are respectively equipped with guide ring 24, use
It is oriented in when conducting rod 4 is with respect to 6 activity of the second center conductor.
Movable supporting insulator 3 passes through screw in the two sides of the second center conductor 6 and is fixed with shielding case, for reducing work
Electric field strength near dynamic supporting insulator, and the metal particle that fingertip friction generates can be effectively collected, enhance reliability.For
Convenient for the dismounting of shielding case, the cover wall of shielding case is equipped with the head of screw along the corresponding fluting of screw axial or aperture,
It passes through for corresponding operation tool to be dismounted to screw.It should be noted that the size of the shielding case is greater than above-mentioned shielding
The size of cover 12.In order to obtain more optimized electric field, the length of R1 is greater than or equal to 50mm in Fig. 3, in order to guarantee movable supporting
The mechanical strength of insulator 3, the size of H1 is greater than or equal to 7mm in Fig. 3.
In the present embodiment, cylinder 7 has service ports 9 in the lower section of fixed supporting insulator 2 and movable supporting insulator 3,
In other embodiments, service ports can also be staggeredly arranged with one-mast support insulator.It also is provided on cylinder 7 for dismantling movable branch
The operation port of insulator 3 is supportted, operation port is the flange port being arranged on cylinder 7.In the present embodiment, service ports are for fixed branch
Support the insulator outlet that insulator 2 and movable supporting insulator 3 take out.It certainly in other embodiments, can also be in activity
Hand hole is nearby arranged in supporting insulator, and hand hole is used to take out fixed supporting insulator and movable supporting insulator.The bottom of cylinder 7
Corresponding each service ports 9 are connected with branch cylinder 11, and the lower end for fixing supporting insulator 2 and movable supporting insulator 3 passes through screw
It is fixed with the support bent plate 10 to play a supportive role respectively to two insulators, support bent plate 10 is rotary structure, has flange
Side, and the screw by passing through flange is fastened on branch cylinder 11.The lower section of branch cylinder 11 is connected with by stay bolt to be used for
The capping 13 that will be sealed below service ports, i.e. support bent plate 10 and fixed supporting insulator 2 and movable supporting insulator 3 it
Between, support bent plate 10 and branch cylinder 11 between, branch cylinder 11 and capping 13 between be releasable connection.
The specific embodiment of pipeline bus provided by the invention is not only suitable for GIL bus, is also applied for GIS bus, including
The multiple bus units successively docked, in the present embodiment, by taking wherein three bus units successively docked as an example for open conduit
The structure of bus.Pipeline bus includes the first bus unit 21, the second bus unit 22, third bus unit 23 in Fig. 4, is gone back
Including the bus unit (in figure be not drawn into) adjacent with first, third bus unit, the first bus unit 21, the second bus unit
22 is identical with the structure of above-described embodiment median generatrix unit with the structure of third bus unit 23, and this is no longer going to repeat them.
When a certain bus unit of pipeline bus is out of order, if fixed supporting insulator 2 breaks down, need to solid
Determine supporting insulator 2 to be disassembled, by taking the second bus unit 22 breaks down as an example, first removes the fixation of the second bus unit 22
Capping and support bent plate at 2 lower section service ports of supporting insulator, the fixed support then removed in the second bus unit 22 are exhausted
The shielding case of edge 2, and then it is exhausted to remove fixed support in removable section 42 in the second bus unit 22 and the second bus unit 22
Screw 8 between 2 end of edge;With the screw 8 between removable section 42 and conductive bar body 41, then removable section 42 is removed,
Direct axial can move right fixed supporting insulator 2 at this time, separate it with the conducting rod in the first bus unit 21, in turn
It can be directly from the fixation supporting insulator 2 taken out in service ports in the second bus unit 22.
If the slidingtype one-mast support insulator in the second bus unit 22 breaks down, need to slidingtype one-mast support
Insulator is disassembled, and the process of dismantling is on the basis of above-mentioned dismantling fixed supporting insulator, by the second bus unit 22
In conducting rod axially move to left, extract conducting rod from the connected structure for fixing supporting insulator in third bus unit 23,
Movable supporting insulator is skidded off from the inserted terminal of conducting rod using the radial avoiding space between cylinder and conducting rod, then will
The shielding case of connection on slidingtype one-mast support insulator is removed, finally from the service ports below slidingtype one-mast support insulator
It is drawn off, the conducting rod in the second bus unit 22 is integrally located in the cylinder of the second bus unit 22 at this time.
If the second bus unit 22 breaks down for other reasons and when needing to remove cylinder, need the first bus unit
Conducting rod in 21 is integrally put into the cylinder of the first bus unit 21, and step is then according to the cunning in the second bus unit 22 of dismantling
The step of dynamic formula one-mast support insulator, disassemble to slidingtype one-mast support insulator in the first bus unit 21 and finally make
Conducting rod in first bus unit 21 is integrally put into the cylinder of the first bus unit 21.Due to the second bus unit 22 at this time
In conducting rod be integrally located in the cylinder of the second bus unit 22, can directly pass through the second bus unit 22 of dismantling and the first mother
The connecting flange between connecting flange and the second bus unit 22 and third bus unit 23 between line unit 21, makes second
Bus unit 22 and first, third bus unit radial separation, can be by the whole removal of the second bus unit 22.Certainly at other
In embodiment, when the second bus unit is integrally taken out, fixed supporting insulator can not be taken out, service ports are only to repair
With at this time by the fixation supporting insulator in second bus unit that fell to realize on the second bus unit is axial to conduction
The evacuation of bar.
In the embodiment of the bus unit of above-mentioned pipeline bus and pipeline bus, fixed structure is that setting is exhausted in fixed support
Threaded hole on edge end face, in other embodiments, fixed structure can also use holding screw, directly by a removable section of left side
It holds and is fixedly connected with the right end of fixed supporting insulator.
In the embodiment of above-mentioned pipeline bus and the bus unit of pipeline bus, has in fixed supporting insulator and be used for
The mating connected structure with conducting rod, in other embodiments, connected structure also be can be set on conducting rod, i.e. conducting rod
It is upper that there is spliced eye, there is inserted terminal in fixed supporting insulator, at this point, leading by the way that the first center in supporting insulator will be fixed
The spliced eye cooperation of inserted terminal and conducting rod on body, which is realized, to be conductively connected.
In the embodiment of the bus unit of above-mentioned pipeline bus and pipeline bus, fixed supporting insulator and movable supporting are exhausted
By supporting bent plate to be fixed on branch cylinder, branch cylinder is connected with capping edge again, in other embodiments, fixed supports insulative
Son and movable supporting insulator can also be directly bolted to be connected with capping.
In the embodiment of the bus unit of above-mentioned pipeline bus and pipeline bus, it is exhausted that the right end of conducting rod passes through movable supporting
Edge, left end are fixed in fixed supporting insulator, i.e. two insulators are the support of bearing type to the support of conducting rod;At it
In his embodiment, two insulators may be suspension type support to the support of conducting rod.
In the embodiment of the bus unit of above-mentioned pipeline bus and pipeline bus, the side of fixed supporting insulator is equipped with screen
Cover is covered, the two sides of movable supporting insulator are equipped with shielding case, in other embodiments, if fixed supporting insulator and movable supporting
Electric-field intensity distribution near insulator is uniform, when electric field intensity value is easier to control, can also be not provided with shielding case.
In the embodiment of the bus unit of above-mentioned pipeline bus and pipeline bus, removable section of left end and the first center conductor
Right end docking, removable section of right end dock with the left end of conductive bar body, and removable section passes through the company that the both ends of axial direction are arranged in
Acting flange realizes the removable fixation of radial direction with conductive bar body and the first center conductor.In other embodiments, conductive bar body
With card slot is respectively equipped on the first center conductor, removable section of axial ends is radially put into card slot respectively, and by along diameter
Removable section of removable fixation is realized to the fastening screw that card slot and removable section of corresponding position is arranged in.
Claims (8)
1. the bus unit of pipeline bus, including cylinder, setting are in the intracorporal conducting rod of cylinder and for conducting rod to be supported on cylinder
Intracorporal insulator, it is characterised in that: the insulator is one-mast support insulator, is divided into fixed supporting insulator and activity branch
Support insulator;Fixed supporting insulator, which is provided with conductive insert, and the side of conductive insert is equipped in this bus unit
The fixed fixed structure of conducting rod, the other side are equipped with for the grafting knot mating with the conducting rod in adjacent bus unit
Structure;Movable supporting insulator which is provided with conducting rod perforation, pass through for conducting rod along the axial activity of bus unit with realization pair
The radial support of conducting rod;Conducting rod, entire length are less than the length of cylinder, and conducting rod is close to fixed supporting insulator
One end is equipped with removable section, and conducting rod stretches out bus unit far from one end of fixed supporting insulator;Removable section of the both ends point
It is not dismantled radially with realizing along cylinder with the remainder of conducting rod and the removable fixation of conductive insert;Removable section of length, which is greater than, to be led
The mating length of electric pole and the conductive insert;The one-mast support insulator is removable to be fixed on cylinder, and cylinder is equipped with
Service ports, removable capping is equipped at service ports, and the service ports protrude into cylinder for tool to dismantle described removable section;It is described
Radially there is avoiding space in cylinder in cylinder, avoiding space is for conducting rod along bus unit axially into generally in mother
In the cylinder of line unit.
2. the bus unit of pipeline bus according to claim 1, it is characterised in that: the connected structure have for
The conductive mating inserting section of conducting rod in adjacent bus unit, also has for accommodating adjacent bus list along plugging direction
The accommodating section of the inserted terminal of conducting rod in member, the axial dimension of the accommodating section are greater than or equal to the axial dimension of inserting section.
3. the bus unit of pipeline bus according to claim 1 or 2, it is characterised in that: axial the two of described removable section
End is equipped with connecting flange, realizes removable fixation by connecting flange and corresponding bolt.
4. the bus unit of pipeline bus according to claim 1 or 2, it is characterised in that: in fixed supporting insulator
Twice fingertip is equipped between conductive insert and the conducting rod, twice fingertip is equipped between the two along cylinder axial direction arranged for interval
Guide ring for being oriented to conducting rod.
5. the bus unit of pipeline bus according to claim 1 or 2, it is characterised in that: movable supporting insulator includes
Conductive insert is equipped at least two guide rings between the inner wall and the conducting rod of the conductive insert on movable supporting insulator,
It is equipped between two of them guide ring together for making the equipotential fingertip of conductive insert on conducting rod and movable supporting insulator.
6. the bus unit of pipeline bus according to claim 1 or 2, it is characterised in that: at fixed supporting insulator
Service ports at service ports and/or movable supporting insulator are insulator outlet, insulator outlet and one-mast support insulator
It is radially corresponding along cylinder, it is taken out out of cylinder for the fixation supporting insulator or movable supporting insulator of corresponding position.
7. the bus unit of pipeline bus according to claim 1 or 2, it is characterised in that: the fixed supporting insulator
One end of bus unit is set, and the middle part of bus unit is arranged in the movable supporting insulator.
8. pipeline bus, including the bus unit successively docked, it is characterised in that: the bus unit is appointed for claim 1-7
The bus unit of pipeline bus described in meaning one.
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CN201910395444.2A CN110212478B (en) | 2019-05-13 | 2019-05-13 | Pipeline bus and bus unit of pipeline bus |
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CN201910395444.2A CN110212478B (en) | 2019-05-13 | 2019-05-13 | Pipeline bus and bus unit of pipeline bus |
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CN110212478A true CN110212478A (en) | 2019-09-06 |
CN110212478B CN110212478B (en) | 2020-10-30 |
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