CN202601860U - Misoperation-preventive locking device of grounding pile - Google Patents
Misoperation-preventive locking device of grounding pile Download PDFInfo
- Publication number
- CN202601860U CN202601860U CN 201220289693 CN201220289693U CN202601860U CN 202601860 U CN202601860 U CN 202601860U CN 201220289693 CN201220289693 CN 201220289693 CN 201220289693 U CN201220289693 U CN 201220289693U CN 202601860 U CN202601860 U CN 202601860U
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- CN
- China
- Prior art keywords
- electromagnetic lock
- isolating switch
- locking device
- ground stud
- ground
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an electric device, namely a misoperation-preventive locking device of a grounding pile. The grounding pile (1) is fixed on an electric column (13) of an isolating switch (14) through a support (2). The misoperation-preventive locking device is characterized in that an electromagnetic lock (6) is installed on the support (2) and provided with a tappet (5), and a baffle (4) opposite to the grounding pile (1) is arranged at the front end of the tappet (5). The misoperation-preventive locking device has the advantages that when the isolating switch is connected, the baffle of the electromagnetic lock is attached to the grounding pile, and a space for inserting a ground wire does not exist so that the ground wire can not be connected. When the isolating switch is disconnected, the baffle can draw back, and the ground wire can be connected. By means of a linkage mechanism, when the isolating switch is connected, the electromagnetic lock can not work. After the ground wire is connected, operation components of the isolating switch can not work, and the isolating switch can not be connected, so that possibility of electrified grounding is removed, and safety of the isolating switch is guaranteed.
Description
Technical field
The utility model relates to a kind of electric power equipment, promptly a kind of ground stud anti-misoperation locking device.
Background technology
Isolating switch in the 500KV transformer station is contained on the electric post, and the action of control box control isolating switch is arranged at electric post bottom, and isolating switch is provided with the ground connection disconnecting link.When isolating switch is safeguarded, in order to ensure safety, also to connect ground wire, so, all be provided with the ground stud that connects ground wire in the bottom of electric post.The main body of ground stud is a copper coin, has through hole above, and the screw rod insertion through hole of ground wire one end is tightened with nut and got final product.Obviously, only when isolating switch separates, could connect ground wire, otherwise will cause the accident of charged ground connection., existing ground stud does not have error-proof device, exists the accident potential of misoperation.
Summary of the invention
The purpose of the utility model provides a kind of isolating switch that can prevent and engages the device of mistiming earth connection.
Above-mentioned purpose is realized by following technical scheme: develop a kind of ground stud anti-misoperation locking device; The ground stud dress is fixed on the electric post of isolating switch through support; Be characterized in: on the said support electromagnetic lock is housed; Electromagnetic lock is provided with tappet, and the front end of tappet is equipped with the baffle plate relative with ground stud.
Said tappet is provided with pintle hook lock and swinging plate, and pintle hook lock matches with the dead bolt of electromagnetic lock, and swinging plate matches with pusher dog, and pusher dog links to each other with the keyhole of electromagnetic lock, and keyhole matches with key.
One termination of said electromagnetic lock coil is gone into live wire, the zero line in the electric blocking loop of the ground connection disconnecting link of other end parallel connection access isolating switch.
Said electromagnetic lock is provided with interlocker, and linked device is provided with normally closed contact, and the normally closed contact series connection inserts the locked loop of isolating switch.
The linked switch of said electromagnetic lock and key outer end swivel plate link.
The beneficial effect of the utility model is: when isolating switch engaged, the baffle plate of electromagnetic lock was pressed close to ground stud, the space of the ground wire of not pegging graft and can not connect ground wire; When isolating switch was opened, baffle plate can be retreated, and ground wire can connect; Particularly adopt interlocking device, when isolating switch engaged, electromagnetic lock can not be worked; Ground wire connects back isolator operation parts can not work, and isolating switch can not engage, thereby has eliminated the possibility of charged ground connection, for the safety of isolating switch provides assurance.
Description of drawings
Fig. 1 is the front view of the unearthed line states of a kind of embodiment;
Fig. 2 is the left view of the unearthed line states of this embodiment;
Fig. 3 is the front view of the connection state of ground wire of this embodiment;
Fig. 4 is the installation diagram of this embodiment;
Fig. 5 is the partial circuit figure of this embodiment;
Fig. 6 is the structural principle sketch map of this embodiment baffle plate sealing;
Fig. 7 is the structural principle sketch map that this embodiment baffle plate is opened;
Fig. 8 is another part circuit diagram of this embodiment;
Fig. 9 is a kind of structural principle sketch map of embodiment baffle plate sealing;
Figure 10 is the structural principle sketch map that this embodiment baffle plate is opened.
Visible among the figure: ground stud 1, support 2, through hole 3, baffle plate 4, tappet 5, electromagnetic lock 6; Linked device 7, linked switch 8, thrust plate 9, key 10, button 11, ground wire 12; Electricity post 13, isolating switch 14, operation panel 15, pintle hook lock 16, dead bolt 17; Keyhole 18, pusher dog 19, swinging plate 20, coil 21, swivel plate 22.
Embodiment
The total design of the utility model is through the moving of electromagnetic lock baffle plate, and limits the wiring of ground stud, thereby prevents the generation of charged ground fault.An embodiment below only gives an example:
Embodiment: like Fig. 1, Fig. 2, shown in Figure 3, adorn a ground stud 1 and electromagnetic lock 6 above this support 2, electromagnetic lock 6 also is to get electric generation magnetic force through coil, and the disappear operation principle of decontroling workpiece of adhesive workpiece, coil losing electricity magnetic force is carried out work.The tappet 5 of its outside visible horizontal, the outer end of the tappet 5 a slice baffle plate 4 that is connected, baffle plate 4 is relative with ground stud 1, and baffle plate 4 is pressed close to ground stud 1 among Fig. 1, and ground wire can not be installed.Baffle plate 4 leaves ground stud 1 among Fig. 3, and ground wire 12 can be installed.Fig. 4 a kind of mounting means of having given an example: this ground stud anti-misoperation locking device is contained on the electric post 13 through support 2, above the electric post 13 isolating switch 14 is housed, and isolating switch 14 operation panels 15 are equipped with in the bottom of electric post 13.Obviously, above device is only arranged, just can play the effect that prevents charged ground connection.But can't realize automatic interlock fully, therefore, electromagnetic lock 6 also is provided with parts such as linked device 7, linked switch 8, thrust plate 9, key 10, button 11, can further improve service behaviour.
Fig. 5 has represented circuit diagram this device and ground connection disconnecting link isolating switch automatic interlock, and coil 21 1 terminations of electromagnetic lock are gone into live wire L among the figure, and other end parallel connection inserts the zero line N in the electric blocking loop (in the frame of broken lines) of the ground connection disconnecting link of isolating switch.Visible in conjunction with Fig. 6: baffle plate 4 is pressed close to ground stud 1; When the ground connection disconnecting link cannot be operated, coil 21 no powers of electromagnetic lock 6, dead bolt 16 blocks the pintle hook lock 15 of tappet 5; Electromagnetic lock 6 is not opened; Can not the attaching ground wire, just can have separately or attaching ground wire 12 under the situation of electricity is arranged at isolating switch 14, avoid the generation of charged hanging earthing conductor accident.Visible in conjunction with Fig. 7: opened in 14 minutes under the situation that does not have electricity when isolating switch, hand touches the button 11, coil 21 energisings; Dead bolt 16 is injected keyhole 18 by adhesive with key 10, twisting key 10; Drive pusher dog 19 swings; Move after stirring tappet 5 through the slotted hole of swinging plate 20, baffle plate can space out with ground stud 2, just ground wire 12 can be installed.
Fig. 8 has represented the circuit diagram of the automatic interlock of this device and isolating switch; The linked device 7 of electromagnetic lock has a pair of normally closed contact SB1 among the figure; Insert the locked loop (in the frame of broken lines) of isolating switch 14 operation panels 15 the insides, pick out linked switch 8 below the normally closed contact SB1, linked switch 8 be pressed in thrust plate 9 above; There is rotating shaft and electromagnetic lock housing or support 2 hinge mutually thrust plate 9 inboards, and the outside can swing up and down around the shaft.The handle of the following and key 10 of thrust plate 9 is that swivel plate 22 offsets, when key is regained baffle plate 4, swivel plate 22 with on push away thrust plate 9; Touch linked switch 8, the normally closed contact SB1 of linked switch 8 is broken off, the circuit that promptly equals in the operation panel breaks off; Can not handle isolating switch 14 actions, that is to say, after ground wire is installed; Isolating switch must can not produce joint action in the separating brake position, can not have under the situation of earth connection; Isolating switch is carried out closing operation, avoid closing the generation of isolating switch accident with ground wire.
Claims (5)
1. ground stud anti-misoperation locking device; Ground stud (1) is fixed on the electric post (13) of isolating switch (14) through support (2); It is characterized in that: electromagnetic lock (6) is housed on the said support (2); Electromagnetic lock (6) is provided with tappet (5), and the front end of tappet (5) is equipped with the baffle plate (4) relative with ground stud (1).
2. ground stud anti-misoperation locking device according to claim 1; It is characterized in that: said tappet (5) is provided with pintle hook lock (16) and swinging plate (20); Pintle hook lock (16) matches with the dead bolt (17) of electromagnetic lock (6); The slotted hole of swinging plate (20) matches with pusher dog (19), and pusher dog (19) links to each other with the keyhole (18) of electromagnetic lock (6), and keyhole (18) matches with key (10).
3. ground stud anti-misoperation locking device according to claim 1 is characterized in that: said electromagnetic lock (6), a termination of its coil (21) is gone into live wire L, the zero line N in the electric blocking loop of the ground connection disconnecting link of other end parallel connection access isolating switch (14).
4. ground stud anti-misoperation locking device according to claim 1; It is characterized in that: said electromagnetic lock (6) is provided with interlocker (7); Linked device (7) is provided with normally closed contact SB1, and normally closed contact SB1 is provided with linked switch (8), and normally closed contact SB1 series connection inserts the locked loop of isolating switch (14).
5. ground stud anti-misoperation locking device according to claim 4 is characterized in that: the linked switch (8) of said electromagnetic lock (6) links with key (10) outer end swivel plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289693 CN202601860U (en) | 2012-06-08 | 2012-06-08 | Misoperation-preventive locking device of grounding pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289693 CN202601860U (en) | 2012-06-08 | 2012-06-08 | Misoperation-preventive locking device of grounding pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202601860U true CN202601860U (en) | 2012-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220289693 Expired - Lifetime CN202601860U (en) | 2012-06-08 | 2012-06-08 | Misoperation-preventive locking device of grounding pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202601860U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985576A (en) * | 2014-05-29 | 2014-08-13 | 国家电网公司 | Forced locking-type ground wire pile |
| CN106654626A (en) * | 2016-11-01 | 2017-05-10 | 国网福建省电力有限公司 | Mis-operation prevention device for low-voltage grounding ring |
| CN107845537A (en) * | 2017-11-13 | 2018-03-27 | 上海天灵开关厂有限公司 | A kind of electric grounding knife-switch blocking device |
| CN108879260A (en) * | 2018-08-14 | 2018-11-23 | 丁汉强 | A kind of mechanical interlocks suitable for different current plug and sockets |
-
2012
- 2012-06-08 CN CN 201220289693 patent/CN202601860U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985576A (en) * | 2014-05-29 | 2014-08-13 | 国家电网公司 | Forced locking-type ground wire pile |
| CN106654626A (en) * | 2016-11-01 | 2017-05-10 | 国网福建省电力有限公司 | Mis-operation prevention device for low-voltage grounding ring |
| CN107845537A (en) * | 2017-11-13 | 2018-03-27 | 上海天灵开关厂有限公司 | A kind of electric grounding knife-switch blocking device |
| CN108879260A (en) * | 2018-08-14 | 2018-11-23 | 丁汉强 | A kind of mechanical interlocks suitable for different current plug and sockets |
| CN108879260B (en) * | 2018-08-14 | 2023-08-22 | 丁汉强 | Mechanical interlocking device suitable for plugs and sockets with different currents |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |