CN108281321A - Disconnecting link device before table - Google Patents
Disconnecting link device before table Download PDFInfo
- Publication number
- CN108281321A CN108281321A CN201711465415.6A CN201711465415A CN108281321A CN 108281321 A CN108281321 A CN 108281321A CN 201711465415 A CN201711465415 A CN 201711465415A CN 108281321 A CN108281321 A CN 108281321A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- disconnecting link
- insulation crust
- lever
- inlet wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses disconnecting link devices before a kind of table, it is desirable to provide a kind of installation operation is convenient, and can effectively solve the problem of because before table the sleeve of disconnecting link and poor wire connection cause contact surface overheat to burn table before disconnecting link, the failures such as cause to have a power failure table before disconnecting link device.It includes：Insulation crust；Knife switch, knife switch include the static contact being arranged in insulation crust and the rotation blade of knife switch that is rotatably arranged in insulation crust and coordinates with static contact；Wiring construction, wiring construction include two sleeves being arranged in insulation crust and two be arranged in insulation crust and with the one-to-one electric connecting sheet of sleeve；And with the one-to-one inlet wire switching device of sleeve, the inlet wire switching device includes switching ontology and interlocker connection mechanism.
Description
Technical field
The present invention relates to disconnecting switch fields, and in particular to disconnecting link device before a kind of table.
Background technology
Disconnecting link system guillotine type disconnecting switch before table, the operation of direct handle mainly by plastic shell, handle operation mechanism and are touched
Conductance electric system is formed.Moving contact uses the line contact form of rotation blade of knife switch and quiet folder biplate touch base grafting with static contact,
And it ensure that the necessary contact of contact by the clamping hoop type spring being close on static contact seat.Since moving contact and insulated handle are solid
It is integrated, moving contact is just pulled open with handle and disconnected, and, it is apparent that therefore disconnecting link is mounted in ammeter box as ammeter before table
Preceding apparent cut-off point replaces maintenance for later ammeter and provides necessary safety guarantee；But disconnecting link service life is not before current table
It is grown to the high arch-criminal of repairing failure.
Inventor is for statistical analysis to the failure of disconnecting link before table, the sleeve of disconnecting link before discovery table（Sleeve is for connecting
Connect conducting wire）Failure accounts for 45% or more of whole fault types；Further, before inventor has found traditional table to burning out disconnecting link analysis
Main problem existing for disconnecting link is：The cross section of the sleeve of disconnecting link is square before table, and conductive wire cross-section is rounded, sleeve
It is mismatched with conducting wire, causes conducting wire and sleeve poor contact that contact surface is caused to overheat, the time is slightly long, is easy oxidation, leads to electricity
Resistance increases conductive bad, generates high fever and the failures such as burns disconnecting link before table, causes to have a power failure.
Invention content
It is convenient the purpose of the invention is to provide a kind of installation operation, and can effectively solve the sleeve because of disconnecting link before table
With poor wire connection, disconnecting link device before the table before causing contact surface overheat to burn table the problem of the failures such as disconnecting link, cause power failure.
The technical scheme is that：
Disconnecting link device before a kind of table, including：Insulation crust；Knife switch, knife switch include be arranged in insulation crust it is quiet
Contact and it is rotatably arranged on the rotation blade of knife switch coordinated in insulation crust and with static contact；Wiring construction, wiring construction include setting
Set two sleeves in insulation crust and two be arranged in insulation crust and with the one-to-one electric connecting sheet of sleeve,
One end of electric connecting sheet is stretched into corresponding sleeve, and one of electric connecting sheet passes through connecting wire and rotation blade of knife switch electricity
Connection, another electric connecting sheet are electrically connected with static contact；And with the one-to-one inlet wire switching device of sleeve, the inlet wire turn
Connection device includes switching ontology and interlocker connection mechanism, and the switching ontology includes the inlet wire wiring being located on the outside of insulation crust
Column, the terminating wire hole being arranged on the end face of the first end of inlet wire binding post, be arranged inlet wire binding post second end and with
The inserting column of corresponding sleeve cooperation, inserting column are stretched into corresponding sleeve, are set on the one side of the inlet wire binding post
There is the storage tank of the length direction extension along inlet wire binding post, one end of storage tank extends toward inserting column direction and extends to grafting
On the side of column, in same switching ontology：Terminating wire hole is located at the same side of storage tank, the gearing interlocking with electric connecting sheet
Mechanism include be arranged on inlet wire binding post one side and be connected with the bottom surface of storage tank threaded hole, be arranged in threaded hole
Interlocking bolt, be rotatably arranged in storage tank by shaft gearing lever, be arranged in terminating wire hole tension disc, set
It sets on the bottom surface of storage tank and the pilot hole being connected with terminating wire hole and the tension disc being slidably arranged in pilot hole pushes away
One end of bar, tension disc push rod is connected with tension disc, and the other end of tension disc push rod stretches into storage tank, the gearing lever
First end close to the first end of inlet wire binding post, the second end for interlocking lever stretches into corresponding sleeve, the axis of threaded hole
The extended line of line intersects with lever is interlocked, and the extended line of the axis of tension disc push rod intersects with lever is interlocked, and screw thread axially bored line
Extended line be located at the same side of shaft, the axis of tension disc push rod with the second end for interlocking the intersection point that intersect of lever and gearing lever
The extended line of line is located at the same side of shaft with the first end for interlocking intersection point and gearing lever that lever intersects.
Disconnecting link device installation operation is convenient before the table of this programme, and can effectively solve sleeve and conducting wire because of disconnecting link before table
Poor contact, before causing contact surface overheat to burn table the problem of the failures such as disconnecting link, cause power failure.
Preferably, interlocker connection mechanism further includes being crimped with what the second end for interlocking lever was hinged and connected by articulated shaft
Plate, the articulated shaft is parallel with shaft, and crimping plate is located in corresponding sleeve, and electric connecting sheet is located at corresponding with crimping plate
The opposite sides of inserting column.
Preferably, it is additionally provided with rubber pressing plate on the one side of crimping plate, and rubber pressing plate is located at corresponding inserting column
Crimp the opposite sides of plate.
Preferably, the cross section of tension disc is arc-shaped.
Preferably, the cross section of sleeve is rectangular, the cross section of the inserting column is corresponding with sleeve to be also in
Rectangle, the terminating wire hole are circular hole.
Preferably, shaft is arranged on the side of storage tank, and the side of shaft and storage tank is perpendicular.
Preferably, be equipped with insulating barrier in insulation crust and between two electric connecting sheets, static contact electricity and with it is quiet
The electric connecting sheet of contact electrical connection is located at the same side of insulating barrier, and conducting wire and the electric connecting sheet being electrically connected with conducting wire are located at insulation
The same side of partition board, two sleeves are located at the opposite sides of insulating barrier.
The beneficial effects of the invention are as follows：Installation operation is convenient, and can effectively solve sleeve and conducting wire because of disconnecting link before table
Poor contact, before causing contact surface overheat to burn table the problem of the failures such as disconnecting link, cause power failure.
Description of the drawings
Fig. 1 be the present invention table before disconnecting link device a kind of structural schematic diagram.
Fig. 2 is the partial enlarged view at A in Fig. 1.
In figure：
Insulation crust 1, insulating barrier 1.1；
Static contact 2.1 rotates blade of knife switch 2.2；
Sleeve 3.1, electric connecting sheet 3.2；
Inlet wire switching device 4, inlet wire binding post 4.1, terminating wire hole 4.2, inserting column 4.3
Tension disc 4.4, interlocking bolt 4.5, storage tank 4.6, shaft 4.7 interlock lever 4.8, and tension disc push rod 4.9 crimps plate
4.10, rubber pressing plate 4.11.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings：
As shown in Figure 1, disconnecting link device before a kind of table, including：Insulation crust 1, knife switch, wiring construction and inlet wire switching dress
It sets.Knife switch includes the static contact 2.1 being arranged in insulation crust and is rotatably arranged in insulation crust and matches with static contact
The rotation blade of knife switch 2.2 of conjunction.
Wiring construction include two sleeves 3.1 being arranged in insulation crust and two be arranged in insulation crust and with
The one-to-one electric connecting sheet of sleeve 3.2.One end of electric connecting sheet is stretched into corresponding sleeve, and one of electrical connection
Piece is electrically connected by connecting wire with rotation blade of knife switch, and another electric connecting sheet is electrically connected with static contact.The cross section of sleeve is in
Rectangle.
Insulating barrier 1.1 is equipped in insulation crust and between two electric connecting sheets.Static contact is electric and electric with static contact
The electric connecting sheet of connection is located at the same side of insulating barrier.Conducting wire and the electric connecting sheet being electrically connected with conducting wire are located at insulating barrier
The same side.Two sleeves are located at the opposite sides of insulating barrier.
As shown in Figure 1 and Figure 2, inlet wire switching device 4 is corresponded with sleeve.Inlet wire switching device includes switching ontology
And interlocker connection mechanism.
Switching ontology includes being located at inlet wire binding post 4.1 on the outside of insulation crust, first end in inlet wire binding post being arranged
End face on terminating wire hole 4.2, the second end in inlet wire binding post is set and is coordinated with corresponding sleeve inserting column
4.3.Terminating wire hole is circular hole.The cross section of inserting column is corresponding with sleeve also rectangular.Inserting column stretches into corresponding
In sleeve.The one side of inlet wire binding post is equipped with the storage tank 4.6 extended along the length direction of inlet wire binding post.Storage tank
One end extend toward inserting column direction and extend on the side of inserting column.In same switching ontology：Terminating wire hole be electrically connected
Contact pin is located at the same side of storage tank.
Interlocker connection mechanism includes the screw thread for being arranged on inlet wire binding post one side and being connected with the bottom surface of storage tank
Hole, the gearing lever 4.8 being rotatably arranged in storage tank by shaft 4.7, is set the interlocking bolt 4.5 being arranged in threaded hole
The pilot hole for setting the tension disc 4.4 in terminating wire hole, being arranged on the bottom surface of storage tank and being connected with terminating wire hole
And it is slidably arranged in the tension disc push rod 4.9 in pilot hole.Shaft is arranged on the side of storage tank, and shaft and storage tank
Side is perpendicular.The cross section of tension disc is arc-shaped.
First end of the first end close to inlet wire binding post of lever is interlocked, the second end for interlocking lever stretches into corresponding wiring
In set.One end of tension disc push rod is connected with tension disc, and the other end of tension disc push rod stretches into storage tank.The axis of threaded hole
The extended line of line intersects with lever is interlocked, and the extended line of the axis of tension disc push rod intersects with lever is interlocked.Screw thread axially bored line
Extended line is located at the same side of shaft with the second end for interlocking intersection point and gearing lever that lever intersects.The axis of tension disc push rod
Extended line be located at the same side of shaft with the first end for interlocking the intersection point that intersect of lever and gearing lever.
Interlocker connection mechanism further includes crimping plate 4.10 with what the second end for interlocking lever was hinged and connected by articulated shaft.Hinge
Spindle is parallel with shaft.Crimping plate is located in corresponding sleeve.Electric connecting sheet is located at corresponding inserting column with crimping plate
Opposite sides.It crimps and is additionally provided with rubber pressing plate 4.11 on the one side of plate, and rubber pressing plate is located at crimping with corresponding inserting column
The opposite sides of plate.
Disconnecting link device is specifically used as follows before the table of this programme：
First, by conducting wire（The conducting wire of power cord and electrical appliance conducting wire）It is inserted into the terminating wire hole of corresponding inlet wire switching device
Interior, by inlet wire switching device connecting wire and corresponding sleeve, terminating wire hole is matched with conducting wire, inserting column with it is corresponding
Sleeve matches.
Second, interlocking bolt is locked.
During interlocking bolt is locked, the end of interlocking bolt, which is against to interlock on lever and drive, interlocks lever around axis
Bar rotates.During interlocking lever rotation：
It is against on corresponding sleeve medial surface by crimping the rubber pressing plate on plate, and inserting column is pushed away toward electric connecting sheet direction
It is dynamic, electric connecting sheet is pressed in sleeve by inserting column, ensures that inserting column is electrically connected with corresponding electric connecting sheet, and will be turned
Ontology is connect reliably to be fixed in corresponding sleeve；
Meanwhile being moved tension disc toward corresponding conducting wire by tension disc push rod, and conducting wire is pressed on corresponding terminating wire
In hole, ensure that conducting wire is electrically connected with corresponding inlet wire binding post, and switching ontology is reliably fixed on corresponding inlet wire wiring
On column.
Disconnecting link device only needs one interlocking bolt of locking to can guarantee conducting wire and corresponding inlet wire wiring before the table of this programme
Column is electrically connected, and switching ontology is reliably fixed in corresponding inlet wire binding post, while ensureing inserting column and corresponding electricity
Connection sheet is electrically connected, and switching ontology is reliably fixed in corresponding sleeve, and installation operation is convenient；Meanwhile conducting wire with
The adaptation connection of terminating wire hole, inserting column are adapted to connection with sleeve matching, effectively increase the contact surface of electrical connection and connection can
By property, to effectively solve sleeve and poor wire connection because of disconnecting link before table, disconnecting link before causing contact surface overheat to burn table,
The problem of causing the failures such as power failure.
Claims (7)
1. disconnecting link device before a kind of table, characterized in that including：
Insulation crust；
Knife switch, knife switch include the static contact being arranged in insulation crust and be rotatably arranged in insulation crust and with it is quiet
The rotation blade of knife switch of contacts mates；
Wiring construction, wiring construction include that two sleeves being arranged in insulation crust and two are arranged in insulation crust simultaneously
It is stretched into corresponding sleeve with one end of the one-to-one electric connecting sheet of sleeve, electric connecting sheet, and one of electrical connection
Piece is electrically connected by connecting wire with rotation blade of knife switch, and another electric connecting sheet is electrically connected with static contact；And
With the one-to-one inlet wire switching device of sleeve, the inlet wire switching device includes that switching ontology and interlocker pick
Structure,
It is described switching ontology include be located at insulation crust on the outside of inlet wire binding post, be arranged at the end of the first end of inlet wire binding post
Terminating wire hole on face, the inserting column that the second end in inlet wire binding post is set and is coordinated with corresponding sleeve, inserting column
It stretches into corresponding sleeve, the one side of the inlet wire binding post is equipped with the appearance extended along the length direction of inlet wire binding post
Slot is set, one end of storage tank extends toward inserting column direction and extends on the side of inserting column, in same switching ontology：Conducting wire connects
String holes is located at the same side of storage tank with electric connecting sheet,
The interlocker connection mechanism includes the screw thread for being arranged on inlet wire binding post one side and being connected with the bottom surface of storage tank
Hole, the interlocking bolt being arranged in threaded hole, the gearing lever being rotatably arranged in storage tank by shaft, setting connect in conducting wire
Tension disc in string holes, the pilot hole for being arranged on the bottom surface of storage tank and being connected with terminating wire hole and being slidably arranged in is led
Tension disc push rod into hole, one end of tension disc push rod are connected with tension disc, and the other end of tension disc push rod stretches into accommodating
In slot, for the first end for interlocking lever close to the first end of inlet wire binding post, the second end for interlocking lever stretches into corresponding connect
In line set, the extended line of the axis of threaded hole intersects with lever is interlocked, extended line and the gearing lever of the axis of tension disc push rod
Intersection, and the extended line of screw thread axially bored line is located at the same of shaft with the second end for interlocking intersection point and gearing lever that lever intersects
Side, the extended line of the axis of tension disc push rod are located at the same of shaft with the first end for interlocking intersection point and gearing lever that lever intersects
Side.
2. disconnecting link device before table according to claim 1, characterized in that the interlocker connection mechanism further includes by hinged
Axis crimps plate with what the second end for interlocking lever was hinged and connected, and the articulated shaft is parallel with shaft, and crimping plate is located at corresponding
In sleeve, electric connecting sheet is located at the opposite sides of corresponding inserting column with crimping plate.
3. disconnecting link device before table according to claim 2, characterized in that crimp and be additionally provided with rubber pressure on the one side of plate
Plate, and rubber pressing plate is located at the opposite sides of crimping plate with corresponding inserting column.
4. disconnecting link device before table according to claim 1 or 2 or 3, characterized in that the cross section of the tension disc is in circular arc
Shape.
5. disconnecting link device before table according to claim 1 or 2 or 3, characterized in that the cross section of the sleeve is in square
The cross section of shape, the inserting column is corresponding with sleeve also rectangular, and the terminating wire hole is circular hole.
6. disconnecting link device before table according to claim 1 or 2 or 3, characterized in that the shaft is arranged in the side of storage tank
On face, and the side of shaft and storage tank is perpendicular.
7. disconnecting link device before table according to claim 1 or 2 or 3, characterized in that in the insulation crust and be located at two
Insulating barrier is equipped between electric connecting sheet, static contact electricity and the electric connecting sheet being electrically connected with static contact are located at the same of insulating barrier
Side, conducting wire and the electric connecting sheet being electrically connected with conducting wire are located at the same side of insulating barrier, and two sleeves are located at insulating barrier
Opposite sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465415.6A CN108281321B (en) | 2017-12-28 | 2017-12-28 | Disconnecting link device before table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465415.6A CN108281321B (en) | 2017-12-28 | 2017-12-28 | Disconnecting link device before table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108281321A true CN108281321A (en) | 2018-07-13 |
| CN108281321B CN108281321B (en) | 2019-05-07 |
Family
ID=62802622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465415.6A Active CN108281321B (en) | 2017-12-28 | 2017-12-28 | Disconnecting link device before table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108281321B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713470A (en) * | 2018-11-14 | 2019-05-03 | 国家电网有限公司 | Prevent the terminal block that wiring loosening is fallen |
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| JP2005003518A (en) * | 2003-06-12 | 2005-01-06 | Yazaki Corp | Terminal inspecting holder |
| CN203760692U (en) * | 2014-03-27 | 2014-08-06 | 国家电网公司 | Cable connecting device |
| CN204885746U (en) * | 2015-09-06 | 2015-12-16 | 国家电网公司 | Transition joint who connects electrical equipment binding post and external conductor |
| CN106129755A (en) * | 2016-06-02 | 2016-11-16 | 国家电网公司 | A kind of electric power adapter |
| CN206076512U (en) * | 2016-09-29 | 2017-04-05 | 国网山东省电力公司烟台供电公司 | A kind of attachment means of 110kV outdoor cables terminal |
| CN206401554U (en) * | 2017-01-18 | 2017-08-11 | 河北郎尊电力科技有限公司 | A kind of improved cable branch box crossover sub |
| CN207852561U (en) * | 2017-12-28 | 2018-09-11 | 国网浙江省电力公司衢州供电公司 | Disconnecting link device before a kind of table |
-
2017
- 2017-12-28 CN CN201711465415.6A patent/CN108281321B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005003518A (en) * | 2003-06-12 | 2005-01-06 | Yazaki Corp | Terminal inspecting holder |
| CN203760692U (en) * | 2014-03-27 | 2014-08-06 | 国家电网公司 | Cable connecting device |
| CN204885746U (en) * | 2015-09-06 | 2015-12-16 | 国家电网公司 | Transition joint who connects electrical equipment binding post and external conductor |
| CN106129755A (en) * | 2016-06-02 | 2016-11-16 | 国家电网公司 | A kind of electric power adapter |
| CN206076512U (en) * | 2016-09-29 | 2017-04-05 | 国网山东省电力公司烟台供电公司 | A kind of attachment means of 110kV outdoor cables terminal |
| CN206401554U (en) * | 2017-01-18 | 2017-08-11 | 河北郎尊电力科技有限公司 | A kind of improved cable branch box crossover sub |
| CN207852561U (en) * | 2017-12-28 | 2018-09-11 | 国网浙江省电力公司衢州供电公司 | Disconnecting link device before a kind of table |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713470A (en) * | 2018-11-14 | 2019-05-03 | 国家电网有限公司 | Prevent the terminal block that wiring loosening is fallen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108281321B (en) | 2019-05-07 |
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