CN206420965U - 35kV inner-cone pluggable cable terminal experimental rigs - Google Patents
35kV inner-cone pluggable cable terminal experimental rigs Download PDFInfo
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- CN206420965U CN206420965U CN201621307889.9U CN201621307889U CN206420965U CN 206420965 U CN206420965 U CN 206420965U CN 201621307889 U CN201621307889 U CN 201621307889U CN 206420965 U CN206420965 U CN 206420965U
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- socket
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- silo
- epoxy
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Abstract
The utility model provides a kind of 35kV inner-cone pluggable cable terminals experimental rig, there is the experimental rig stainless steel plate to seal silo, being sealed at it has two socket electrodes being oppositely arranged in silo, two socket electrodes are socketed by radome and connection conductor, garter spring fingertip is embedded with connection conductor outside surfaces, the elastic and high conductive silver-plated copper alloy silk of its material selection, helical spring deformation provides the contact of contact point and carries rated current, dynamic and thermal stability electric current, and the experimental rig is applied to 50 1000mm2Cable termination factory testing, detection efficiency is high, and manufacturing cost is low, and easy for installation, reliable scope on probation is wide.
Description
Technical field
The utility model is related to the cable accessory experimental rig in mesolow transmission system, more particularly to a kind of 35kV inner cones
Pluggable cable terminal experimental rig.
Background technology
35kV inner-cone pluggable cable terminals experimental rig is used for the delivery test detection of inner cone plugging formula terminal, terminal system
System extensive use in low-pressure system, cable termination, which is inserted into factory in experimental rig, completes test, and cable termination is being applied
Work scene is connected with GIS combination electric appliance or transformer so that erecting bed is simple, and economical and safer, product meets
EN50181 interface standards.
35kV inner-cone pluggable cable terminal experimental rigs are mainly the electrical equipments, shell such as analog electronics switch or transformer
Body, which is used, is furnished with epoxy socket in metal material, shell, conductor connection gold utensil, cable termination is inserted into epoxy socket device fixed
Connection.Cable termination connects conduction through dynamic contactor and the electric reliable contacts of the socket being connected with circuit in experimental rig, epoxy
SF is filled between socket external insulation and housing6Insulating gas.
At present, domestic this cable termination product export experimental rig is single-bin, and set pipe insert seat selects epoxy resin material
Material, socket electrode aluminium metallic conductor, the inside and outside way of contact of dynamic contactor is generally used：Mechanical clasps press contactor
Outer to ensure the close contact with cable core, outer wall around the home " watchband type " fingertip to keep the contact with socket electrode
Realize, " watchband type " fingertip series copper alloy lamellar machine add it is compressing, it by each unit elastic deformation provide connect
Touch pressure, and form plug-in connected mode.
Above-mentioned 35kV inner-cone pluggable cable terminals experimental rig has the following disadvantages in manufacture and using practice：
1st, single-bin：One group of plug terminal, socket electrode and dynamic contactor can only be tested, rated current is smaller, can only
Meet 630mm2And following cable is supported the use, application is small, is not suitable for high current transmission, and mechanical clasps are pressed outside contactor
Join along to ensure the process being in close contact with cable core, it is necessary to configure dedicated hydraulic and withhold mechanical and allotment withholding of technology
Number, its is costly, and technique is more numerous；
2nd, electrode is used for a long time using aluminum material in epoxy socket, because profile is processing of the rectangle spring to its embedding slot
Precision and fit precision require higher, and long-term use easily causes the compression set of " watchband type " fingertip and loose contact is produced
Electric discharge and test do not need precisely repeatedly replacing；
3rd, sealing silo housing uses aluminium, for a long time using oxidizable, deformation.
It is accordingly, it would be desirable to develop a kind of easily manufactured, with low cost, can test scope it is wide, and can be used for a long time
Inner-cone pluggable cable terminal experimental rig.
Utility model content
In order to solve the above problems, present inventor has performed studying with keen determination, as a result find：On two socket electrode tops point
The radome being mutually matched and connection conductor are not set, fixed inside silo connect is sealed in stainless steel by epoxy inner cone socket
Connect, and ring-spring fingertip is nested with connection conductive surface, make radome and connection conductor contact stable, so as to complete this
Utility model.
The purpose of this utility model is to provide a kind of manufacturing cost low, and easy for installation, reliable scope on probation is wide
35kV inner-cone pluggable cable terminals, it is adaptable to 50-1000mm2A kind of 35kV inner cone pluggings of cable termination factory testing
Formula cable termination experimental rig, it is characterised in that the inner-cone pluggable cable terminal experimental rig includes sealing silo 1, set
Be placed in the silo flange 2 at sealing silo 1 two ends, be arranged at the socket flange 3 in the outside of silo flange 2, be arranged at silo flange 2 and
The first sealing ring 4 between socket flange 3, the first epoxy inner cone socket 5 and the second ring being oppositely arranged in sealing silo 1
Oxygen inner cone socket 6, fix on the first socket electrode 7 of the inside cutting ferrule of the first epoxy inner cone socket 5, the top of the first socket electrode 7
The radome 8 of setting, in the second socket electrode 9 of the inside cutting ferrule of the second epoxy inner cone socket 6, on the top of the second socket electrode 9
On be fixedly installed connection conductor 10, connection the outer wall of conductor 10 on set spring touch finger 11, with seal silo 1 connect and
It is arranged at the vacuum valve 12 outside sealing silo 1, is sealing the epoxy inner cone socket 5 of silo 1 and first and the second epoxy inner cone
The insulating gas being full of between socket 6, wherein, connection conductor 10 is fastened in inside radome 8, and is connect with the inwall of radome 8
Touch.
Brief description of the drawings
Fig. 1 shows the inner-cone pluggable cable terminal experimental rig structural representation that the utility model is provided.
Drawing reference numeral explanation：
1- seals silo
2- silo flanges
3- socket flanges
The socket flanges of 31- first
The socket flanges of 32- second
The sealing rings of 4- first
5- the first epoxy inner cone sockets
6- the second epoxy inner cone sockets
The socket electrodes of 7- first
8- radomes
The socket electrodes of 9- second
10- connection conductors
11- spring touch fingers
12- vacuum valves
121- vacuum meters
The sealing rings of 13- second
Embodiment
It is described in detail below by the utility model, the characteristics of the utility model and advantage will be with these explanations
And become more apparent from, clearly.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
, it is necessary to explanation in description of the present utility model, term " on ", " under ", " interior ", " outer ", "front", "rear",
The orientation or position relationship of the instruction such as " left side " and " right side " are based on the orientation or position relationship under utility model works state, only
It is to be described for the ease of description the utility model with simplified, rather than indicates or imply that the device or element of meaning must be with spies
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " and " the 4th " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
The utility model described below.
According to first aspect of the present utility model there is provided a kind of inner-cone pluggable cable terminal experimental rig, its feature exists
In the inner-cone pluggable cable terminal experimental rig includes sealing silo 1, is arranged at the silo flange at sealing silo 1 two ends
2nd, the socket flange 3 that is arranged at the outside of silo flange 2, the first sealing ring 4 being arranged between silo flange 2 and socket flange 3,
Sealing the first epoxy inner cone socket 5 being oppositely arranged in silo 1 and the second epoxy inner cone socket 6, inserted in the first epoxy inner cone
Radome 8 that seat the first socket electrode 7 of 5 inside cutting ferrules, the top of the first socket electrode 7 are fixedly installed, in the second epoxy inner cone
Second socket electrode 9 of the inside cutting ferrule of socket 6, the connection conductor 10 being fixedly installed on the top of the second socket electrode 9, connection
The spring touch finger 11 set on the outer wall of conductor 10, the vacuum valve for connecting and being arranged at outside sealing silo 1 with sealing silo 1
12nd, the insulating gas being full of between the sealing epoxy inner cone socket 5 of silo 1 and first and the second epoxy inner cone socket 6, wherein,
Connection conductor 10 is fastened in inside radome 8, and is contacted with the inwall of radome 8.
In the utility model, the sealing silo 1 is metal material, preferably stainless steel, and its profile is cylindrical shroud
Cylinder, silo flange 2 is fixedly installed at its two ends.
In the utility model, the silo flange 2 is the flange for being fixedly installed on sealing silo 1 two ends, its profile with
The port match of silo 1 is sealed, preferably circular in the utility model, its external diameter is more than the external diameter of sealing silo 1, in cylinder
The outer surface of storehouse flange 2 offers first annular groove along its circumference, it is preferable that be provided with first annular groove for inserting
The first sealing ring 4 that seat flange 3 is closely abutted, it is preferable that the cross section of the first sealing ring 4 is circle.
In the utility model, the internal diameter of silo flange 2 is more than the external diameter of epoxy inner cone socket bottom, is easy to epoxy inner cone
The Assembly And Disassembly of socket.
In the utility model, when being illustrated using term " epoxy inner cone socket ", refer to that the first epoxy inner cone is inserted
There is identical structure in the epoxy inner cone socket 6 of seat 5 and second, or there is corresponding position pass with corresponding part respectively
System.
In the utility model, the vacuum valve 12 connected with sealing silo 1 is additionally provided with outside sealing silo 1, is used
Gas inside discharge sealing silo 1, or the insufflation gas into sealing silo 1.
In the utility model, tool hole cock is provided with vacuum valve 12, when the through hole in cock connects with sealing silo 1
When logical, sealing silo 1 is in communication with the outside, and when the through hole in cock is not connected with sealing silo 1, the inside of sealing silo 1 is closed.
In the utility model, the vacuum meter 121 communicated therewith is additionally provided with outside sealing silo 1, for monitoring in sealing silo 1
Air pressure.
In the utility model, the first epoxy inner cone socket 5 is identical with the structure and construction of the second epoxy inner cone socket 6,
Moreover, being fixedly connected respectively with socket flange.
In the utility model, socket flange 3 includes the first socket flange 31 and the second socket flange 32.
In the utility model, the first socket flange 31 is identical with the structure and construction of the second socket flange 32.
In the utility model, the socket flange 3 is the flange being fixedly connected with epoxy inner cone socket, for sealing drum
Storehouse 1 is affixed with epoxy socket.
In the utility model, the profile of the socket flange 3 is matched with the bottom of epoxy inner cone socket, and its external diameter is more than
The external diameter of epoxy inner cone socket bottom.
In the utility model is a kind of preferred embodiment, the profile of epoxy inner cone socket is that bottom is cylinder, on
Portion is truncated cone-shaped, and the inside of epoxy inner cone socket offers multistage from bottom to top along its axis, and preferably three sections, aperture is successively
The circular hole of reduction, forms hollow sleeve, and fixation is equipped with socket electrode at the top of epoxy inner cone socket.
In the utility model, socket electrode includes the first socket electrode 7 and the second socket electrode 9.
In the utility model, the first socket electrode 7 is identical with the structure and construction of the second socket electrode 9.
In the utility model, when being illustrated using term " socket electrode ", refer to the first socket electrode 7 and second
There is identical structure in socket electrode 9, or with corresponding part there is corresponding position relationship respectively.
In the utility model, socket electrode includes integrally formed high pressure contact site and core contact site, high pressure contact
Portion is cylinder, and core contact site is a cylinder with counterbore, and high pressure contact site and core contact site are coaxial, core contact
Portion is seamlessly transitted with high pressure contact site.
In the utility model is a kind of preferred embodiment, a diameter of 90~110mm in upper surface of high pressure contact site is excellent
Elect 100mm as；A diameter of 60~90mm of core contact site counterbore, such as preferably 70~80mm, 74.5mm.
In the utility model is a kind of preferred embodiment, use is offered along its axial direction on epoxy inner cone socket bottom surface
In the screwed hole being fixedly connected with socket flange.
In the utility model, on epoxy inner cone socket bottom surface, it is preferable that in the outside of screwed hole, circumferentially open up
Have the second ring-shaped groove, the second sealing ring 13 be internally provided with the second ring-shaped groove, it is preferable that the second sealing ring 13 it is cross-section
Face is circle.
In the utility model, the external diameter of the second sealing ring 13 is slightly larger than the depth of the second ring-shaped groove.
In the utility model, the first socket electrode 7, the first socket electricity are covered with inside the first epoxy inner cone socket 5
The top of the first epoxy inner cone socket 5 is stretched out on the top of plate, and its external stability is provided with radome 8.
In the utility model, the first epoxy inner cone socket 5 is inserted in the outside cast molding of the first socket electrode 7 with first
Seat electrode 5 is fixedly connected, it is preferable that non-dismountable.In the utility model is a kind of preferred embodiment, the radome 8
Profile for cylinder, offer the concave station matched with socket electrode top vertically to top from bottom on the lower surface thereof,
Cavity is offered vertically from top to bottom on the upper surface of which, it is preferable that the cavity is cylinder.
In a kind of embodiment being more highly preferred to of the utility model, the radome 8 is fixedly installed with socket electrode,
Preferably, the radome 8 is fixedly connected with the first socket electrode 7 by screw.
In the utility model, the second socket electrode 9, the second socket electricity are covered with inside the second epoxy inner cone socket 6
The top of the second epoxy inner cone socket 6 is stretched out on the top of plate, and its external stability is provided with connection conductor 10.
In the utility model, the second epoxy inner cone socket 6 is inserted in the outside cast molding of the second socket electrode 9 with second
Seat electrode 9 is fixedly connected, it is preferable that non-dismountable.
In the utility model, the profile of the connection conductor 10 is cylinder, on the upper surface of which from top to bottom
Cavity is offered along its axial direction.
In the utility model, the external diameter of connection conductor 10 is slightly less than the internal diameter of the cavity of radome 8.
In the utility model, on the outer wall of the connection conductor 10, the 3rd annular ditch groove is offered along its circumference, it is excellent
Selection of land, the 3rd annular ditch groove has a plurality of, preferably two.
In the utility model, ring-spring fingertip 11 is provided with the 3rd annular ditch groove, the inventors discovered that, ring
Shape spring touch finger 11 is under large range of working deformation, and the pressure change of contact point is smaller, and contact resistance variation is small, electrical property
It is stable, in addition, the manufacturing tolerance of ring-spring fingertip 11 influences very with the small variations for setting groove dimensions on its electric conductivity
It is small.
In the utility model is a kind of preferred embodiment, the material selection of the ring-spring fingertip 11 elasticity and
High conductive silver-plated copper alloy silk, makes the deformation of ring-spring fingertip 11 provide the contact of contact point and carry specified electricity
Stream, dynamic and thermal stability electric current.
In the utility model is a kind of preferred embodiment, ring-spring fingertip 11 is nested with the 3rd annular ditch groove
Afterwards, the maximum outside diameter of connection conductor 10 is equal to or slightly greater than the internal diameter of the cavity of radome 8.
In the utility model, the top of connection conductor 10 is provided with lead angle, is easy to nested with the progress of radome 8 interpolation.
In the utility model, connection conductor 10 is fixedly installed on the tip exterior of the second socket electrode 9, it is preferable that connection
Conductor 10 is fixedly connected with the second socket electrode 9 by screw.
In the utility model, epoxy inner cone socket is fixedly connected with socket flange 3 by screw.
In the utility model, socket flange 3 is fixedly connected with silo flange 2 by screw.
It is insulation gas filled in sealing silo 1 in the utility model is a kind of preferred embodiment, such as SF6Insulate gas
Body, and seal tight, make the experimental rig good insulation preformance.
In the utility model, interface size meets the EN50181 standard interfaces being connected with combined electrical apparatus or transformer.
In the utility model is a kind of preferred embodiment, the assembling process of the experimental rig is as follows：
(1)：First socket electrode 7 is fastened in inside the first epoxy inner cone socket 5, and the upper end of the first socket electrode 7 is passed
The upper end of first epoxy inner cone socket 5, the first socket electrode 7 is fixedly connected with radome 8 with hex screw, then by the first epoxy
Inner cone socket 5 is screwed with the first socket flange 3 and is connected, then the first epoxy inner cone socket 5 is stretched into sealing silo 1
Portion, silo flange 2 is fixedly connected with socket flange 3 by screw；
(2)：First socket electrode 7 is fastened in inside the first epoxy inner cone socket 5, and the upper end of the first socket electrode 7 is passed
The upper end of first epoxy inner cone socket 5, the first socket electrode 7 is fixedly connected with being connected conductor 10 with hex screw, by ring-type bullet
Spring fingertip 11 is nested in the 3rd annular ditch groove on the connection outer wall of conductor 10, and second on the second epoxy inner cone socket 6 is inserted
Seat electrode 9 is fixedly connected with hex screw, and the second epoxy inner cone socket 6 is screwed with socket flange 3 and is connected, then by the
One epoxy inner cone socket 5 is screwed with the first socket flange 3 to be connected, then the first epoxy inner cone socket 5 is stretched into sealing drum
Inside storehouse 1, and connection conductor 10 is fastened in inside radome 8, finally consolidate silo flange 2 by screw with socket flange 3
Fixed connection；
(3)：All after assembling, SF is filled with after vacuumizing6Insulating gas, closes vacuum valve 12, completes to install.
The 35kV inner-cone pluggable cable terminal experimental rigs provided according to the utility model, have the advantages that：
(1) experimental rig is simple in construction, size is small, it is easy for installation,
(2) spring touch finger, rather than " watchband type " fingertip are used in the experimental rig so that contact point is more, conduct electricity very well,
Discharge capacity is big, electronic and heat endurance is high, wear and tear small；
(3) sealing silo uses stainless steel material, and service life is long；
(4) experimental rig is double-chamber type structure, improves detection efficiency.
The utility model is described in detail above in association with embodiment and exemplary example, but these are said
It is bright to be interpreted as to limitation of the present utility model.It will be appreciated by those skilled in the art that without departing from the utility model spirit and
In the case of scope, technical solutions of the utility model and embodiments thereof can be carried out with a variety of equivalencings, modification or improved,
These are each fallen within the range of the utility model.Protection domain of the present utility model is determined by the appended claims.
Claims (10)
1. a kind of 35kV inner-cone pluggable cable terminals experimental rig, it is characterised in that the inner-cone pluggable cable terminal examination
Experiment device includes sealing silo (1), the silo flange (2) for being arranged at sealing silo (1) two ends, is arranged at silo flange (2) outside
The socket flange (3) of side, the first sealing ring (4) being arranged between silo flange (2) and socket flange (3), sealing silo
(1) the first epoxy inner cone socket (5) for being oppositely arranged and the second epoxy inner cone socket (6) in, in the first epoxy inner cone socket (5)
Radome (8) that the first socket electrode (7) of internal cutting ferrule, the first socket electrode (7) top are fixedly installed, in the second epoxy
The second socket electrode (9) of the internal cutting ferrule of cone socket (6), the connection conductor being fixedly installed on the second socket electrode (9) top
(10) spring touch finger (11), set on connection conductor (10) outer wall, with sealing silo (1) connect and be arranged at sealing drum
The outside vacuum valve (12) in storehouse (1), in sealing silo (1) and the first epoxy inner cone socket (5) and the second epoxy inner cone socket
(6) insulating gas being full of between, wherein, it is internal that connection conductor (10) is fastened in radome (8), and with radome (8) inwall
Contact.
2. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that in silo
Flange (2) outer surface offers first annular groove along its circumference；And/or
The first sealing ring (4) for closely being abutted with socket flange (3) is provided with first annular groove；And/or
On epoxy inner cone socket bottom surface, the second ring-shaped groove is circumferentially offered, is internally provided with the second ring-shaped groove
Two sealing rings (13).
3. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that silo method
The internal diameter of blue (2) is more than the first epoxy inner cone socket (5) or the external diameter of first epoxy inner cone socket (6) bottom.
4. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that in sealing
The vacuum meter (121) communicated therewith is additionally provided with outside silo (1).
5. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that
The first socket electrode (7) is covered with inside the first epoxy inner cone socket (5), the top of the first socket electroplax stretches out first
The top of epoxy inner cone socket (5), and its external stability is provided with radome (8)；And/or
The profile of the radome (8) is cylinder, is offered vertically from bottom to top on the lower surface thereof and socket electricity
The concave station of pole top matching, offers cavity vertically from top to bottom on the upper surface of which, and the cavity is cylinder.
6. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that second
The second socket electrode (9) is covered with inside epoxy inner cone socket (6), the top of the second socket electroplax is stretched out the second epoxy inner cone and inserted
The top of seat (6), and its external stability is provided with connection conductor (10).
7. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that the company
The profile for connecing conductor (10) is cylinder, offers cavity to bottom along its axial direction from top on the upper surface of which.
8. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that connection is led
The external diameter of body (10) is slightly less than the internal diameter of radome (8) cavity.
9. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that described
On the outer wall for connecting conductor (10), the 3rd annular ditch groove is offered along its circumference；And/or
Ring-spring fingertip (11) is provided with the 3rd annular ditch groove；And/or
The material selection copper alloy silk of the ring-spring fingertip (11)；And/or
It is nested with the 3rd annular ditch groove after ring-spring fingertip (11), the maximum outside diameter of connection conductor (10) is equal to or omited
More than the internal diameter of radome (8) cavity.
10. a kind of 35kV inner-cone pluggable cable terminals experimental rig according to claim 1, it is characterised in that sealing
It is insulation gas filled in silo (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621307889.9U CN206420965U (en) | 2016-12-01 | 2016-12-01 | 35kV inner-cone pluggable cable terminal experimental rigs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621307889.9U CN206420965U (en) | 2016-12-01 | 2016-12-01 | 35kV inner-cone pluggable cable terminal experimental rigs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420965U true CN206420965U (en) | 2017-08-18 |
Family
ID=59577696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621307889.9U Active CN206420965U (en) | 2016-12-01 | 2016-12-01 | 35kV inner-cone pluggable cable terminal experimental rigs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117741203A (en) * | 2024-02-20 | 2024-03-22 | 辽宁沈鹏电力科技有限公司 | Quick test device for 10-35kV cable |
-
2016
- 2016-12-01 CN CN201621307889.9U patent/CN206420965U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117741203A (en) * | 2024-02-20 | 2024-03-22 | 辽宁沈鹏电力科技有限公司 | Quick test device for 10-35kV cable |
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