CN208707185U - A kind of ground extractor and gas insulation switch cabinet - Google Patents
A kind of ground extractor and gas insulation switch cabinet Download PDFInfo
- Publication number
- CN208707185U CN208707185U CN201821048942.7U CN201821048942U CN208707185U CN 208707185 U CN208707185 U CN 208707185U CN 201821048942 U CN201821048942 U CN 201821048942U CN 208707185 U CN208707185 U CN 208707185U
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- ground
- ground terminal
- fixing seat
- construction opening
- seal groove
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Abstract
The utility model provides a kind of ground extractor and gas insulation switch cabinet, belongs to field of electrical equipment.The ground extractor includes insulating gas compartment, fixing seat and ground terminal.Wherein, the side wall of insulating gas compartment has construction opening；Fixing seat has positioning region close to one end of construction opening, and positioning region can extend into construction opening and abut with the edge of construction opening, and the inner wall of fixing seat is enclosed a connection accommodating cavity；Ground terminal is embedded in connection accommodating cavity, and one end of ground terminal is fixedly connected with earthing bar, and the other end of ground terminal is fixedly connected with ground connection and draws row, and earthing bar is located at outside insulating gas compartment, and ground connection draws ranking in insulating gas compartment.The ground extractor changes the mounting means of traditional flange form ground terminal, and positioning region can extend into construction opening and abut with construction opening, insulating gas compartment, fixing seat and ground terminal are mounted together, so that installation process position control is more accurate.
Description
Technical field
The utility model relates to field of electrical equipment, open in particular to a kind of ground extractor and gas-insulated
Close cabinet.
Background technique
Currently, Cubicle Gas-Insulated Switchgear is connect applied to the important power supply unit of middle pressure electrical power trans mission/distribution system
Ground switchs one of the core component as the switchgear, and effect essentially consists in: first is that in high-tension apparatus or route needs
By equipment ground when maintenance, service personnel's personal safety is protected；Second is that breaker two is flanked when breaker needs to overhaul
Ground, it is ensured that the safety of maintenance and line outage.Earth-return circuit decides the whether reliable effective grounding of earthing switch, therefore switchgear
The reliability of earth-return circuit ground connection directly decides the life security of service work personnel.
In industry, the earth-return circuit of earthing switch is more single by the mode being transitioned into outside compartment in insulating gas compartment
One, a kind of form transition of flange-type copper ground terminal is used substantially, this kind is grounded transient mode to the positioning accurate of welding screw
It spends more demanding, once corresponding welding screw is welded with deviation, can not install.
Utility model content
The utility model provides a kind of ground extractor, it is intended to improve ground extractor installation site and easily occur partially
The problem of difference.
The utility model is realized in this way:
A kind of ground extractor, including insulating gas compartment, fixing seat and ground terminal.
The side wall of the insulating gas compartment has construction opening.
The fixing seat has positioning region close to one end of the construction opening, and the positioning region can extend into the installation
It is open and is abutted with the edge of the construction opening, the inner wall of the fixing seat is enclosed a connection accommodating cavity.
The ground terminal is embedded in the connection accommodating cavity, and one end of the ground terminal is fixedly connected with earthing bar, institute
The other end for stating ground terminal is fixedly connected with ground connection and draws row.
Further, in an embodiment of the present invention, the positioning region includes being set to the fixing seat end
The stepped step in portion, the step type step are connected together with the construction opening.
Further, in an embodiment of the present invention, the one end of the fixing seat far from the construction opening
It is provided with the first limiting section, the ground terminal is provided with the second limiting section close to one end that the ground connection draws row, and described the
One limiting section is connected together with second limiting section so that the fixing seat and the ground terminal can limit mutually.
Further, in an embodiment of the present invention, first limiting section includes being set to the fixation
The hollow deck of seat end, second limiting section includes the annular protrusion for being set to the ground terminal end, the annular
It is raised to be abutted with the hollow deck so that the fixing seat and the ground terminal limit mutually.
Further, in an embodiment of the present invention, the ground terminal offers the first seal groove, described
First seal groove is arranged along the circumferential direction of the ground terminal, and the fixing seat is equipped with the second seal groove, second sealing
Slot is arranged along the fixing seat inner wall circumferential direction, and first seal groove is corresponding to second seal groove to be arranged, and described
Sealing ring is provided between one seal groove and second seal groove.
Further, in an embodiment of the present invention, the sealing ring be it is multiple, first seal groove and
Second seal groove is correspondingly arranged with the sealing ring, and the sealing ring is set to first seal groove and described second
Between seal groove.
Further, in an embodiment of the present invention, the sealing ring is O-ring seal.
Further, in an embodiment of the present invention, one end of the ground terminal passes through the first connector
It is connect with earthing bar, the other end of the ground terminal draws row's connection by the second connector and ground connection.
Further, in an embodiment of the present invention, first connector and second connector are equal
For bolt, folded pad is provided between the bolt and the earthing bar, the bolt and the ground connection are drawn and is provided between row
Folded pad.
The utility model also provides a kind of gas insulation switch cabinet, including ground extractor above-mentioned.
The beneficial effects of the utility model are: the ground extractor that the utility model obtains by above-mentioned design, changes
The mounting means for having become traditional flange form ground terminal opens up installing port in the side wall of insulating gas compartment, by ground terminal
It is placed in the connection accommodating cavity that fixing seat inner wall is enclosed, fixing seat is equipped with positioning region, and positioning region can extend into installation and open
Mouthful and is abutted with construction opening, thus by insulating gas compartment, fixing seat and ground terminal installation be secured together so that install
Course location control is more accurate.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram of ground extractor provided by the embodiment of the utility model；
Fig. 2 is the enlarged drawing in the region II in Fig. 1；
Fig. 3 is the structural schematic diagram of another ground extractor provided by the embodiment of the utility model；
Fig. 4 is the enlarged drawing in the region IV in Fig. 3；
Fig. 5 is the enlarged drawing in the region V in Fig. 1；
Fig. 6 is the structural schematic diagram of another ground extractor provided by the embodiment of the utility model.
Icon: 100- ground extractor；10- insulating gas compartment；30- fixing seat；50- ground terminal；Tri- work of 70-
Position isolation earthing switch ground connection is shorted row；12- construction opening；121- installation cooperation skewback；The positioning region 32-；34- first is limited
Portion；The second seal groove of 36-；361- sealing ring；321- step type step；323- installs skewback；52- earthing bar；54- grounding lead
It arranges out；The second limiting section of 56-；The first seal groove of 58-；The first connector of 521-；The folded pad of 522-；The second connector of 541-.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.
Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the utility model of protection is sought, but is merely representative of the selected embodiment of the utility model.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Mode is fallen within the protection scope of the utility model.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " centre ", "bottom", "inner", "outside", "left", "right"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, the arts such as term " setting ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be direct phase
Even, can also indirectly connected through an intermediary, the interaction that can be connection or two elements inside two elements is closed
System.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
Embodiment
Referring to Fig. 1, the utility model provides a kind of ground extractor 100, including insulating gas compartment 10, fixing seat
30 and ground terminal 50.
The side wall of insulating gas compartment 10 has construction opening 12.
Fixing seat 30 close to one end of construction opening 12 have positioning region 32, positioning region 32 can extend into construction opening 12 and
It is abutted with the edge of construction opening 12, the inner wall of fixing seat 30 is enclosed a connection accommodating cavity.
Ground terminal 50 is placed in connection accommodating cavity, and one end of ground terminal 50 is fixedly connected with earthing bar 52, ground terminal
50 other end is fixedly connected with ground connection and draws row 54, wherein earthing bar 52 is located at outside insulating gas compartment 10, and ground connection draws row 54
In insulating gas compartment 10.
Construction opening 12 is opened up in the side wall of insulating gas compartment 10, ground terminal 50 is placed in 30 inner wall of fixing seat and is enclosed
Close formed connection accommodating cavity in, fixing seat 30 be equipped with positioning region 32, positioning region 32 can extend into construction opening 12 and with installation
Opening 12 abuts, so that insulating gas compartment 10, fixing seat 30 and ground terminal 50 are mounted together.Due to positioning region 32
Setting, so that installation process position control is more accurate.
Specifically, in the present embodiment, fixing seat 30 is substantially in hollow cylinder structure, and ground terminal 50 is generally cylindrical
Structure.Referring to Fig. 2, positioning region 32 includes being set to the stepped step 321 of 30 end of fixing seat, stepped step 321 with
Construction opening 12 is connected together.Since stepped step 321 is connected together with construction opening 12, then fixing seat 30 and insulating gas
10 installation site of compartment is not easy deviation occur, can directly connect in the welding process along fixing seat 30 and insulating gas compartment 10
Synapsis welding.Referring to Fig. 3, positioning region 32 also may include installation skewback 323, construction opening 12 has installation cooperation skewback
121, installation skewback 323 can be abutted with installation cooperation skewback 121.It is appreciated that the specific structure of positioning region 32 can basis
Actual conditions are adjusted or select, and the utility model is not particularly limited this.
In the present embodiment, referring to Fig. 4,30 left end of fixing seat is provided with the first limiting section 34, ground terminal 50
Left end is provided with the second limiting section 56, the first limiting section 34 and the second limiting section 56 is connected together so that fixing seat 30
It can be limited mutually with ground terminal 50.
In the present embodiment, the first limiting section 34 includes the hollow deck for being set to 30 end of fixing seat, the second limiting section
56 include the annular protrusion for being set to 50 end of ground terminal.Specifically, hollow deck substantially hollow circular plate, hollow circular plate are big
Middle position is caused to offer circular through hole, annular protrusion is cylindrical body, and cylindrical body can be placed in circular through hole and lead to annular
Hole abuts.In addition, groove also can be set in the first limiting section 34, pillar is arranged in the second limiting section 56, and groove is corresponding with pillar to be set
It sets, groove can also enable fixing seat 30 and ground terminal 50 limit mutually with pillar cooperation.It is appreciated that the first limiting section
34 can be adjusted according to the actual situation with the specific structure and specific location of the second limiting section 56, the utility model to this not
It is restricted.
In the present embodiment, please continue to refer to Fig. 4, ground terminal 50 offers the first seal groove 58, the first seal groove 58
Circumferential direction along ground terminal 50 is arranged, and fixing seat 30 is equipped with the second seal groove 36, and the second seal groove 36 is along fixing seat 30
The setting of wall circumferential direction, the setting corresponding to the second seal groove 36 of the first seal groove 58, the first seal groove 58 and the second seal groove 36
Between be provided with sealing ring 361.Optionally, sealing ring 361 is multiple, and the number of the first seal groove 58 and the second seal groove 36 is equal
Equal with the number of sealing ring 361, specifically, sealing ring 361 is O-ring.It is sealed using sealing ring 361, on the one hand may be used
To improve the leakproofness of ground extractor 100, the leak rate of switchgear is effectively reduced, on the other hand due to close using first
It is provided with sealing ring 361 between sealing groove 58 and the second seal groove 36, ground terminal 50 can also be limited and axially or radially moved.
In the present embodiment, one end of ground terminal 50 is connect by the first connector 521 with earthing bar 52, ground terminal
50 other end is drawn row 54 with ground connection by the second connector 541 and is connect.Specifically, the both ends of ground terminal 50 are equipped with
Mounting hole, the first connector 521, the second connector 541 can cooperate with mounting hole by ground terminal 50 and earthing bar 52, ground connection
54 connection of the row of extraction.Optionally, mounting hole can be threaded hole, and the first connector 521, the second connector 541 are bolt.More
Further, bolt is hexagon socket head cap screw.It is appreciated that the first connector 521, the second connector 541 are also possible to pin, pin
Nail is interference fitted with mounting hole.In the utility model kind, the specific knot of the first connector 521, the second connector 541 and mounting hole
Structure, which can according to need, to be adjusted, and the utility model is not specifically limited this.
In the present embodiment, the first connector 521 and the second connector 541 are bolt, between bolt and earthing bar 52
It is provided with folded pad 522, bolt and ground connection draw and is provided with folded pad 522 between row 54.Optionally, bolt is hexagon socket head cap screw.
Referring to Fig. 5, in the present embodiment, ground extractor 100 further includes that three-station isolating grounding switch ground connection is short
Run in 70, three-station isolating grounding switch ground connection, which is shorted row 70, draws with ground connection and arrange 54 and be detachably connected.Specifically, three stations every
Row 70 is shorted from ground switch earthing to connect by hexagon socket head cap screw with ground connection extraction row 54.
The present embodiment also provides a kind of gas-insulated switch, including ground extractor above-mentioned 100.
A kind of ground extractor 100 provided in this embodiment opens up construction opening in the side wall of insulating gas compartment 10
12, ground terminal 50 is placed in the connection accommodating cavity that 30 inner wall of fixing seat is enclosed, fixing seat 30 is equipped with positioning region 32,
Positioning region 32 can extend into construction opening 12 and abut with construction opening 12, thus by insulating gas compartment 10, fixing seat 30 and
Ground terminal 50 is mounted together, so that installation process position control is more accurate.Ground connection draws row 54 and ground terminal 50
One end is fixedly connected, and the other end of ground terminal 50 is connect with earthing bar 52, forms earth-return circuit, protects repair apparatus and maintenance
The safety of personnel.The first seal groove 58 and the second seal groove 36, the first seal groove is respectively set in fixing seat 30 and ground terminal 50
58 and second sealing ring 361 is arranged between seal groove 36, the leakproofness of ground extractor 100 on the one hand can be improved, effectively
On the other hand the leak rate for reducing switchgear can limit the movement axially or radially of ground connection ground terminal 50.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of ground extractor characterized by comprising
The side wall of insulating gas compartment, the insulating gas compartment has construction opening；
Fixing seat, the fixing seat have positioning region close to one end of the construction opening, and the positioning region can extend into described
It construction opening and is abutted with the edge of the construction opening, the inner wall of the fixing seat is enclosed a connection accommodating cavity；And
Ground terminal, the ground terminal are embedded in the connection accommodating cavity, and one end of the ground terminal is fixedly connected with ground connection
Row, the other end of the ground terminal are fixedly connected with ground connection and draw row.
2. ground extractor according to claim 1, which is characterized in that the positioning region includes being set to the fixation
The stepped step of seat end, the step type step are connected together with the construction opening.
3. ground extractor according to claim 1, which is characterized in that the fixing seat is far from the construction opening
One end is provided with the first limiting section, and the ground terminal is provided with the second limiting section, institute close to one end that the ground connection draws row
The first limiting section is stated to be connected together with second limiting section so that the fixing seat and the ground terminal can limit mutually
Position.
4. ground extractor according to claim 3, which is characterized in that first limiting section is described including being set to
The hollow deck of fixing seat end, second limiting section includes the annular protrusion for being set to the ground terminal end, described
Annular protrusion is abutted with the hollow deck so that the fixing seat and the ground terminal can limit mutually.
5. ground extractor according to claim 1, which is characterized in that the ground terminal offers the first sealing
Slot, first seal groove are arranged along the circumferential direction of the ground terminal, and the fixing seat is equipped with the second seal groove, and described the
Two seal grooves are arranged along the fixing seat inner wall circumferential direction, and first seal groove is corresponding to second seal groove to be arranged,
Sealing ring is provided between first seal groove and second seal groove.
6. ground extractor according to claim 5, which is characterized in that the sealing ring be it is multiple, described first is close
Sealing groove and second seal groove are correspondingly arranged with the sealing ring, and the sealing ring is set to first seal groove and institute
It states between the second seal groove.
7. ground extractor according to claim 6, which is characterized in that the sealing ring is O-ring seal.
8. ground extractor according to claim 1, which is characterized in that one end of the ground terminal connects by first
Fitting is connect with the earthing bar, and the other end of the ground terminal draws row's connection by the second connector and the ground connection.
9. ground extractor according to claim 8, which is characterized in that first connector and second connection
Part is bolt, and folded pad is provided between the bolt and the earthing bar, and the bolt and the ground connection are drawn and set between row
It is equipped with folded pad.
10. a kind of gas insulation switch cabinet, which is characterized in that including the described in any item ground extractors of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821048942.7U CN208707185U (en) | 2018-07-03 | 2018-07-03 | A kind of ground extractor and gas insulation switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821048942.7U CN208707185U (en) | 2018-07-03 | 2018-07-03 | A kind of ground extractor and gas insulation switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208707185U true CN208707185U (en) | 2019-04-05 |
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ID=65937328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821048942.7U Active CN208707185U (en) | 2018-07-03 | 2018-07-03 | A kind of ground extractor and gas insulation switch cabinet |
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| Country | Link |
|---|---|
| CN (1) | CN208707185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064111A (en) * | 2020-01-15 | 2020-04-24 | 云南电网有限责任公司电力科学研究院 | Inflatable switch cabinet |
-
2018
- 2018-07-03 CN CN201821048942.7U patent/CN208707185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064111A (en) * | 2020-01-15 | 2020-04-24 | 云南电网有限责任公司电力科学研究院 | Inflatable switch cabinet |
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