CN209786443U - Safety protection interlocking device of high-voltage board - Google Patents
Safety protection interlocking device of high-voltage board Download PDFInfo
- Publication number
- CN209786443U CN209786443U CN201920056783.3U CN201920056783U CN209786443U CN 209786443 U CN209786443 U CN 209786443U CN 201920056783 U CN201920056783 U CN 201920056783U CN 209786443 U CN209786443 U CN 209786443U
- Authority
- CN
- China
- Prior art keywords
- interlocking
- turning arm
- door plant
- voltage
- safety protection
- 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 - Fee Related
Links
Landscapes
- Patch Boards (AREA)
Abstract
The utility model discloses a safety protection interlocking device of high-voltage board only inserts the door plant that could open the high-voltage board in the high-voltage board with insulating protection plate for the door plant of high-voltage board is opened and is closed the action in-process and prevent to miss and go into electrified interval, including fixing the interlocking support in the high-voltage board and around the rotatory last turning arm and the lower turning arm of interlocking support, the interlocking support on insert the interlocking axle that can reciprocate, the interlocking axle links to each other with last turning arm and lower turning arm respectively, the interlocking piece motion on the door plant drives the turning arm and rotates, the interlocking axle reciprocates and restricts the motion of insulating protection plate or door plant along with last turning arm or lower turning arm motion, insulating protection plate and interlocking on all seted up with interlocking axle size matched with hole. This device structural design is ingenious, just can take out the insulation protection board only to close the door plant, just can open the door plant only to insert the insulation protection board, accords with the five-prevention safe operation rules that the power transmission operation required.
Description
Technical Field
the utility model relates to a high-voltage electrical equipment designs technical field, especially relates to a safety protection interlocking device of high-voltage board.
Background
In the prior art, high-voltage switch equipment is an important component of mechanical industry and also an important power transmission and distribution equipment of power industry, and is closely related to national economy and social development. The manufacturing of high-voltage switch gear in China has been rapidly developed since the reform is open, but the complex diversity of the high-voltage switch gear is always an examination on the safe operation and maintenance of the switch, and when we have advanced into the 21 st century, the safety concept of people is also greatly changed, the 21 st century is a people-oriented society, the subjectivity of people, the needs of people, the protection of people and the like are highly emphasized, so the safety and the reliability of the switch gear are improved to a higher level.
Over the years, statistics of a large number of electrical accidents show that human body electric shock casualties and electrical equipment accidents are often in direct relation with the technical business level of electrical workers. Therefore, the operation is strictly carried out according to the 'five prevention' rule of electrical safety, and the occurrence of misoperation accidents can be effectively reduced and avoided. The five prevention of the high-voltage switch cabinet is 1, and the isolating switch is prevented from being switched on and off under load; 2. the circuit breaker, the load switch and the contactor are prevented from being switched off and on by mistake; 3. the circuit breaker and the load switch are prevented from being closed when the grounding switch is in a closed position; 4. prevent the earthing switch from being switched on by mistake when electrified; 5. prevent the wrong entering into the electrified interval. The utility model discloses the dress can realize accomplishing safe power transmission, follows "five prevent" the 5 th and prevents to prevent to miss and go into electrified interval, avoids the accident of the person and electrical equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a safety protection interlocking device of high-voltage board, its structural design is simple ingenious, easy operation, and the auto-lock design realizes just can taking out the insulation protection board after only closing the door plant, only inserts the insulation protection board and just can open these two kinds of functions of door plant.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a safety protection interlocking device of high-voltage board, only inserts the door plant that could open the high-voltage board in the high-voltage board with insulating protection board for the door plant of high-voltage board is opened and is prevented to miss and go into electrified interval in the action process of closing by opening, including fixing the interlocking support in the high-voltage board and around the rotatory last turning arm and the turning arm down of interlocking support, the interlocking support on insert the interlocking axle that can reciprocate, the interlocking axle links to each other with last turning arm and turning arm down respectively, the insulating protection board motion drives the turning arm and rotates, the interlocking piece motion on the door plant makes the turning arm rotate down, the interlocking axle reciprocates and restricts the motion of insulating protection board or door plant along with last turning arm or turning arm motion down.
Furthermore, as described above, the upper portion of the interlocking shaft is provided with the first elastic member in a penetrating manner, the first elastic member is connected with the upper crank arm, the lower portion of the interlocking shaft is provided with the second elastic member in a penetrating manner, the second elastic member is connected with the lower crank arm, and the first elastic member and the second elastic member are respectively in contact with the two limit pins of the interlocking shaft.
Furthermore, the insulating protection plate and the interlocking plate are provided with holes matched with the interlocking shaft in size.
Furthermore, the upper crank arm and the lower crank arm are connected with the interlocking bracket through rotating shafts.
Furthermore, the upper crank arm and the lower crank arm are both L-shaped structures.
Further, the first elastic member and the second elastic member are both springs as described above.
Further, the interlocking pieces as described above are horizontally installed and fixed inside the door panel.
Furthermore, the insulation protection plate is obliquely inserted into the interior of the high-voltage cabinet body.
Compared with the prior art, the beneficial effects of the utility model are that: this device structural design is ingenious self-locking mechanism, only closes the door plant and just can take out the insulation protection board, only inserts the insulation protection board and just can open the door plant, accords with the five-prevention safe operation rules that the power transmission operation required.
Drawings
FIG. 1 is a schematic view of the whole machine of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic view of the opening door panel of the present invention;
Fig. 4 is a schematic view of the insulation protection plate taken out.
The labels in the figures are: 1. an insulating protection plate; 2. an interlock shaft; 3. a first elastic member; 4. an upper crank arm; 5. an interlock bracket; 6. a lower crank arm; 7. an interlock tab; 8. a door panel; 9. a second elastic member.
Detailed Description
the following detailed description is provided to further explain the technical features and advantages of the present invention by referring to the accompanying drawings in combination with the embodiments.
As shown in fig. 1-4, the safety protection interlocking device of a high-voltage cabinet of the utility model, only inserts the insulation protection plate 1 into the high-voltage cabinet to open the door plate 8 of the high-voltage cabinet, is used for preventing the door plate 8 of the high-voltage cabinet from entering the electrified interval by mistake in the opening and closing process, comprises an interlocking support 5 fixed in the high-voltage cabinet, an upper crank arm 4 and a lower crank arm 6 rotating around the interlocking support 5, the installation position of the interlocking support 5 is close to the bus chamber in the high-voltage cabinet, a hole is longitudinally designed on the interlocking support 5 and matched with a hole shaft of an interlocking shaft 2, the interlocking shaft 2 can longitudinally move on the interlocking support 5, namely, the interlocking shaft 2 can be vertically moved, the interlocking shaft 2 is respectively connected with the upper crank arm 4 and the lower crank arm 6, the insulation protection plate 1 moves to drive the upper crank arm 4 to rotate, a piece 7 on the door plate 8 moves to make the lower crank arm 6 rotate, the interlocking shaft 2 moves up and down with the movement of the upper crank arm 4 or the lower crank arm 6 and restricts the movement of the insulation protection plate 1 or the door panel 8.
Furthermore, a first elastic piece 3 penetrates through the upper portion of the interlocking shaft 2, the first elastic piece 3 is connected with an upper crank arm 4, a second elastic piece 9 penetrates through the lower portion of the interlocking shaft 2, the second elastic piece 9 is connected with a lower crank arm 6, the first elastic piece 3 and the second elastic piece 9 are respectively in contact with two limiting pins of the interlocking shaft 2, the first elastic piece 3 and the second elastic piece 9 are both springs, the limiting pins can be in fixed connection with the springs or separated from the springs, and the springs deform due to obstruction of the limiting pins in the stretching process.
Furthermore, holes matched with the interlocking shaft 2 in size are formed in the insulating protection plate 1 and the interlocking piece 7, and the interlocking shaft 2 moves up and down to the holes to lock the insulating protection plate 1 or the interlocking piece 7 and limit extraction or opening of the door plate 8.
Furthermore, the upper crank arm 4 and the lower crank arm 6 are connected with the interlocking support 5 through rotating shafts, holes are formed in the interlocking support 5 transversely and vertically, the upper crank arm 4 and the lower crank arm 6 are matched with the holes of the upper crank arm 4 and the lower crank arm 6 through the rotating shafts, and the upper crank arm 4 and the lower crank arm 6 can rotate around the holes of the interlocking support 5. The upper crank arm 4 and the lower crank arm 6 are both L-shaped structures, and the interlocking piece 7 is horizontally arranged and fixed inside the door plate 8 and moves horizontally along with the opening and closing action of the door plate 8. The insulation protection plate 1 is obliquely inserted into the cabinet body of the high-voltage cabinet.
The utility model discloses during the device specifically operates, according to five prevent safe operation regulation power transmission operation actions: firstly, a door plate 8 of the high-voltage switch cabinet is closed, the insulating protection plate 1 can be drawn out only by closing the door plate 8, and when the high-voltage switch cabinet is opened for maintenance, the interlocking shaft 2 penetrates through a hole in the insulating protection plate 1 to lock the insulating protection plate 1 to isolate a bus, as shown in fig. 3; when the door plate 8 of the high-voltage switch cabinet is closed, the interlocking piece 7 pushes the lower connecting lever 6, the lower connecting lever 6 compresses the second spring, the interlocking shaft 2 is driven to move downwards, the insulating protection plate 1 is unlocked, the insulating protection plate 1 can be pulled out at the moment, as shown in fig. 4, after the insulating protection plate 1 is pulled out, the upper connecting lever 4 rotates along with the lower connecting lever, the first spring and the second spring release pressure, the interlocking shaft 2 moves downwards, penetrates through a hole in the interlocking piece 7, the interlocking piece 7 is locked, and the door plate 8 is locked. On the contrary, the door plate 8 can be opened only by inserting the insulation protection plate 1, safe power transmission is realized, the 5 th five-prevention bar is followed to prevent mistakenly entering the electrified interval, and the safety of electrical workers is protected.
The utility model discloses in the device, parts such as spring, pivot, spacer pin are prior art or material, and affiliated technical staff can directly purchase or order from the market according to required product model and specification.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The present invention is described in detail in the above embodiments, and it should be understood that the described embodiments are not limited to the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a safety protection interlocking device of high-voltage board, only inserts the door plant that could open the high-voltage board in inserting the high-voltage board with insulating protection plate for the door plant of high-voltage board is opened and is prevented to miss and go into electrified interval in the action process of closing with opening, its characterized in that, including the interlocking support of fixing in the high-voltage board and around the rotatory last turning arm and the lower turning arm of interlocking support, the interlocking support on insert the interlocking axle that can reciprocate, the interlocking axle links to each other with last turning arm and lower turning arm respectively, the insulating protection plate motion drives the turning arm and rotates, interlocking piece motion on the door plant makes the turning arm rotate down, the interlocking axle reciprocates and restricts the motion of insulating protection plate or door plant along with last turning arm or lower turning arm motion.
2. The safety protection interlocking device of the high-voltage cabinet according to claim 1, wherein a first elastic member is arranged on the upper portion of the interlocking shaft in a penetrating manner, the first elastic member is connected with the upper crank arm, a second elastic member is arranged on the lower portion of the interlocking shaft in a penetrating manner, the second elastic member is connected with the lower crank arm, and the first elastic member and the second elastic member are respectively contacted with two limit pins of the interlocking shaft.
3. The safety protection interlocking device of the high-voltage cabinet according to claim 2, wherein the insulating protection plate and the interlocking plate are provided with holes matched with the interlocking shaft in size.
4. The high voltage cabinet safety protection interlock device according to claim 3, wherein the upper and lower crank arms are connected to the interlock bracket through a shaft.
5. The high voltage cabinet safety protection interlock device according to claim 4, wherein the upper and lower crank arms are both L-shaped.
6. a safety protection interlock device according to claim 5, wherein the first and second resilient members are both springs.
7. The safety protection interlock device for high voltage cabinets of claim 6, wherein the interlock tab is horizontally installed and fixed inside the door panel.
8. The safety protection interlocking device of the high-voltage cabinet as claimed in claim 7, wherein the insulation protection plate is obliquely inserted into the interior of the high-voltage cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056783.3U CN209786443U (en) | 2019-01-14 | 2019-01-14 | Safety protection interlocking device of high-voltage board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056783.3U CN209786443U (en) | 2019-01-14 | 2019-01-14 | Safety protection interlocking device of high-voltage board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786443U true CN209786443U (en) | 2019-12-13 |
Family
ID=68792445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920056783.3U Expired - Fee Related CN209786443U (en) | 2019-01-14 | 2019-01-14 | Safety protection interlocking device of high-voltage board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209786443U (en) |
-
2019
- 2019-01-14 CN CN201920056783.3U patent/CN209786443U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101976622B (en) | Grounding switch operating device of removable switch cabinet | |
| CN108831779B (en) | Interlocking device of vacuum load switch cabinet | |
| CN103259207B (en) | 10kV and 35kV trolley type switch cabinet multifunctional dolly | |
| CN201360106Y (en) | Drawer unit and cabinet body unit thereof with anti-misoperation function | |
| CN209786443U (en) | Safety protection interlocking device of high-voltage board | |
| CN201985015U (en) | Mechanical manipulation interlocking device | |
| CN211828535U (en) | Low-voltage cabinet door mechanical interlocking device | |
| CN111508765A (en) | Five-prevention interlocking switch cabinet | |
| CN206194632U (en) | Interlock of earthing switch AND gate of cubical switchboard | |
| CN201780898U (en) | Five-prevention interlock operating device for circuit breaker cabinet | |
| CN116682691A (en) | Switch cabinet interlocking mechanism and switch cabinet | |
| CN202076714U (en) | Back door interlocking device of high-voltage removable-type AC metal enclosed switch device | |
| CN203179729U (en) | Interlocking mechanism of grounding switch and cable chamber door of switch cabinet | |
| CN216389115U (en) | Active prevention type rear door interlocking device | |
| CN201838487U (en) | Interlocking device for front door of switch cabinet | |
| CN111852245B (en) | Mechanical anti-misoperation locking device of 6kV high-voltage switch cabinet | |
| CN111613479B (en) | Novel five-prevention locking method | |
| CN201000823Y (en) | Interlocking device for high-voltage isolation switch and cabinet door | |
| CN203733669U (en) | Interlock system for outdoor high-voltage vacuum switch and disconnecting switch | |
| CN208781770U (en) | A kind of operating mechanism device of solid-state insulated switchgear | |
| CN206236569U (en) | A kind of high-voltage switch gear isolates grounding interlocking device | |
| CN201868263U (en) | Withdrawable switchgear grounding switch operating device | |
| CN205645608U (en) | But cubical switchboard of earthing switch manually operation and electrically -operated interlocking | |
| CN219457391U (en) | Lower door interlock of air environment-friendly breaker cabinet | |
| CN210404524U (en) | Handcart-type cubical switchboard baffle valve maloperation electric locking device that prevents |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20220114 |