CN202996638U - Ground wire blocking device - Google Patents
Ground wire blocking device Download PDFInfo
- Publication number
- CN202996638U CN202996638U CN 201220728794 CN201220728794U CN202996638U CN 202996638 U CN202996638 U CN 202996638U CN 201220728794 CN201220728794 CN 201220728794 CN 201220728794 U CN201220728794 U CN 201220728794U CN 202996638 U CN202996638 U CN 202996638U
- Authority
- CN
- China
- Prior art keywords
- lock pin
- housing
- obturator hernia
- transposition
- plug
- 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
Links
- 230000000903 blocking effect Effects 0.000 title abstract 10
- 230000005570 vertical transmission Effects 0.000 claims abstract description 9
- 206010029987 Obturator Hernia Diseases 0.000 claims description 47
- 230000017105 transposition Effects 0.000 claims description 35
- 238000003825 pressing Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 238000003780 insertion Methods 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001131 transforming effect Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a ground wire blocking device, which comprises a housing. A latching pin cooperating with a latching hole of a switch blade vertical transmission operation connecting rod in an insertion way is arranged on the front of the housing along the horizontal direction. The front of the housing is provided with a first blocking hole cooperating with the latching pin in an insertion way. A second blocking hole communicated with the tail end of the first blocking hole is arranged on the central part of the housing in a through way. The axis extension direction of the second blocking hole is perpendicular to that of the first blocking hole. A grounding bolt is inserted inside the second blocking hole. The outreaching end of the grounding bolt is connected with a lock nut. A switching device cooperating with a switching circuit in an electric power system is arranged below the housing. The whole blocking device can effectively prevent live-line ground wire installation or switching on in the presence of ground wires and protect safety of related electric power equipments and operators. The blocking device further makes the whole running process of the electric power system safer and more reliable.
Description
Technical field
The utility model relates to power transmission and transforming equipment auxiliary appliance technical field, particularly a kind of locking device of connecting wires.
Background technology
In present power transmission and transforming equipment assembling and running, need the work condition environment of installing earth connection a lot, in the production operation process of reality, might occur that live is connected wires or with the situation of earth connection combined floodgate cutter, and because the working voltage of power transmission and transforming equipment itself is higher, if the situation of above-mentioned live ground connection line or belt earth connection combined floodgate cutter occurs, very easily cause device damage, even cause the serious operating irregularity such as large-area power-cuts phenomenon and staff's injures and deaths in electrical network, cause adverse effect for the operational reliability of electric power system.
Therefore, how to provide a kind of instrument, avoiding the operation such as live ground connection line or belt earth connection combined floodgate cutter, and the important technological problems that more safe and reliable those skilled in the art of being of running of relevant electric power system need to be solved at present.
The utility model content
The purpose of this utility model is to provide a kind of locking device for grounding wire, and this locking device can be avoided the operations such as live ground connection line or belt earth connection combined floodgate cutter, and makes the running of relevant electric power system more safe and reliable.
for solving the problems of the technologies described above, the utility model provides a kind of locking device for grounding wire, comprise housing, the front end edge of described housing is horizontally arranged with the lock pin that coordinates with the locking hole plug-in mounting of plug-in strip vertical-transmission operator link, the front end of described housing has the first obturator hernia that coordinates with described lock pin plug-in mounting, the middle part of described housing is penetrated with the second obturator hernia that is connected with the end of described the first obturator hernia, and the bearing of trend of the axis of the bearing of trend of the axis of described the second obturator hernia and described the first obturator hernia is perpendicular, be fitted with earth stud in described the second obturator hernia, and the external part of described earth stud is connected with locking nut,
The below of described housing is provided with the switching device that matches with electric power system switch loop, the top of described switching device has the transposition axle that vertically extends, the bottom of described housing has the transposition hole that coordinates with described transposition axle plug-in mounting, and described transposition hole is connected with the end of described the first obturator hernia.
Preferably, the top of described transposition axle is provided with the transposition roller, and the bearing of trend of the axis of described transposition roller is consistent with horizontal direction.
Preferably, be provided with resetting means on described lock pin.
Preferably, the front end of described housing is provided with pressing plate, described lock pin runs through and stretches out in described pressing plate, and the end of described lock pin has clamp, the back-moving spring that described resetting means is specially on the outer peripheral face that is set in described lock pin and matches with described pressing plate and described clamp respectively.
Preferably, the end of described lock pin is provided with the roller that matches with described earth stud, and the bearing of trend of the rotating shaft of described roller parallels with the bearing of trend of the axis of described earth stud.
relative above-mentioned background technology, locking device for grounding wire provided by the utility model, comprise housing, the front end edge of described housing is horizontally arranged with the lock pin that coordinates with the locking hole plug-in mounting of plug-in strip vertical-transmission operator link, the front end of described housing has the first obturator hernia that coordinates with described lock pin plug-in mounting, the middle part of described housing is penetrated with the second obturator hernia that is connected with the end of described the first obturator hernia, and the bearing of trend of the axis of the bearing of trend of the axis of described the second obturator hernia and described the first obturator hernia is perpendicular, be fitted with earth stud in described the second obturator hernia, and the external part of described earth stud is connected with locking nut, the below of described housing is provided with the switching device that matches with electric power system switch loop, the top of described switching device has the transposition axle that vertically extends, the bottom of described housing has the transposition hole that coordinates with described transposition axle plug-in mounting, and described transposition hole is connected with the end of described the first obturator hernia.In the course of work, when plug-in strip closes a floodgate, when being the power equipment operation, described locking hole is not corresponding with described lock pin position, described lock pin can't be completed plug-in mounting with described locking hole and be connected, the end of described lock pin is positioned at the connectivity part between described the first obturator hernia and described the second obturator hernia at this moment, causing described earth stud can't pass described the second obturator hernia is connected with described locking nut, and described transposition axle is positioned at the low side station, make the electric power system switch closed, thereby avoid the ground connection operation under "on" position; When plug-in strip disconnects, when being power equipment power failure, described locking hole is corresponding with described lock pin position, this moment, the front end of described lock pin inserted in described locking hole, make the plug-in strip vertical-transmission operator link can't be movable, thereby with the plug-in strip locking, this moment, described transposition axle was positioned at high-end station, make the electric power system switch disconnect, and described earth stud passes described the second obturator hernia and is connected with described locking nut, described in operating process, lock pin resets backward to avoid, thereby effectively prevents from occuring in the ground connection operating process combined floodgate phenomenon.Whole locking device can effectively be avoided the operation generations such as live ground connection line or belt earth connection combined floodgate cutter, the relevant power equipment of protection and operating personnel's safety, and make the overall operation process of electric power system more safe and reliable.
In another preferred version of the present utility model, be provided with resetting means on described lock pin.In the course of work, when the described lock pin of needs moves forward and backward, described resetting means can provide enough reset forces for it, guarantees the station conversion of described lock pin quick and precisely, thereby makes the operating efficiency of described end locking device be able to corresponding raising with connecting wires.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The assembly structure explosive view of the locking device for grounding wire that Fig. 1 provides for a kind of embodiment of the utility model.
Embodiment
Core of the present utility model is to provide a kind of locking device for grounding wire, and this locking device can be avoided the operations such as live ground connection line or belt earth connection combined floodgate cutter, and makes the running of relevant electric power system more safe and reliable.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, the assembly structure explosive view of the locking device for grounding wire that Fig. 1 provides for a kind of embodiment of the utility model.
in embodiment, locking device for grounding wire provided by the utility model, comprise housing 11, the front end edge of housing 11 is horizontally arranged with the lock pin 12 that coordinates with locking hole 22 plug-in mountings of plug-in strip vertical-transmission operator link 21, the front end of housing 11 has the first obturator hernia 111 that coordinates with lock pin 12 plug-in mountings, the middle part of housing 11 is penetrated with the second obturator hernia 112 that is connected with the end of the first obturator hernia 111, and the bearing of trend of the axis of the bearing of trend of the axis of the second obturator hernia 112 and the first obturator hernia 111 is perpendicular, be fitted with earth stud 13 in the second obturator hernia 112, and the external part of earth stud 13 is connected with locking nut 14, the below of housing 11 is provided with the switching device 31 that matches with electric power system switch loop, the top of switching device 31 has the transposition axle 32 that vertically extends, the bottom of housing 11 has the transposition hole 113 that coordinates with transposition axle 32 plug-in mountings, and the hole 113 of replacing is connected with the end of the first obturator hernia 111.In the course of work, when plug-in strip closes a floodgate, when being the power equipment operation, locking hole 22 is not corresponding with lock pin 12 positions, and lock pin 12 can't be completed plug-in mounting with locking hole 22 and be connected, and this moment, the end of lock pin 12 was positioned at the connectivity part of 112 of the first obturator hernia 111 and the second obturator hernias, causing earth stud 13 can't pass the second obturator hernia 112 is connected with locking nut 14, and transposition axle 32 is positioned at the low side station, makes the electric power system switch closed, thereby avoids the ground connection operation under "on" position; When plug-in strip disconnects, when being power equipment power failure, locking hole 22 is corresponding with lock pin 12 positions, this moment, the front end of lock pin 12 inserted in locking hole 22, make the plug-in strip vertical-transmission operator link 21 can't be movable, thereby with the plug-in strip locking, the axle 32 that replaces this moment is positioned at high-end station, make the electric power system switch disconnect, and earth stud 13 passes the second obturator hernia 112 and is connected with locking nut 14, in operating process, lock pin 12 resets backward to avoid, thereby effectively prevents from occuring in the ground connection operating process combined floodgate phenomenon.Whole locking device can effectively be avoided the operation generations such as live ground connection line or belt earth connection combined floodgate cutter, the relevant power equipment of protection and operating personnel's safety, and make the overall operation process of electric power system more safe and reliable.
Further, the top of transposition axle 32 is provided with transposition roller 33, and the bearing of trend of the axis of transposition roller 33 is consistent with horizontal direction.In the course of work, transposition roller 33 can make between transposition axle 32 counterpart relevant to it and contact for rolling, and makes the cooperation convenient and smooth more between associated components, and makes the station conversion process simple and effective more of the switching device of described locking device for grounding wire.
More specifically, be provided with resetting means 15 on lock pin 12.In the course of work, when needs lock pin 12 moved forward and backward, resetting means 15 can provide enough reset forces for it, guaranteed the station conversion of lock pin 12 quick and precisely, thereby made the operating efficiency of described end locking device be able to corresponding raising with connecting wires.
On the other hand, the front end of housing 11 is provided with pressing plate 16, lock pin 12 runs through and stretches out in pressing plate 16, and the end of lock pin 12 has clamp 17, the back-moving spring that resetting means 15 is specially on the outer peripheral face that is set in lock pin 12 and matches with pressing plate 16 and clamp 17 respectively.The structure of this kind back-moving spring is comparatively simple and reliable, and apparent availability is larger, and buying is convenient, can make the whole manufacturing cost of described locking device for grounding wire suitably reduce.
Certainly, the structure of above-mentioned resetting means 15 is not limited to the back-moving spring shown in figure, all can so long as can satisfy the actual use needs of described locking device for grounding wire.
In addition, the end of lock pin 12 is provided with the roller 18 that matches with earth stud 13, and the bearing of trend of the rotating shaft of roller 18 parallels with the bearing of trend of the axis of earth stud 13.In the course of work, this roller 18 can make 13 of lock pin 12 and earth studs contact for rolling, and the cooperation between making both is convenient and smooth more, and the station conversion process that makes described locking device for grounding wire simple and effective more.
in summary, the locking device for grounding wire that provides in the utility model, comprise housing, the front end edge of described housing is horizontally arranged with the lock pin that coordinates with the locking hole plug-in mounting of plug-in strip vertical-transmission operator link, the front end of described housing has the first obturator hernia that coordinates with described lock pin plug-in mounting, the middle part of described housing is penetrated with the second obturator hernia that is connected with the end of described the first obturator hernia, and the bearing of trend of the axis of the bearing of trend of the axis of described the second obturator hernia and described the first obturator hernia is perpendicular, be fitted with earth stud in described the second obturator hernia, and the external part of described earth stud is connected with locking nut, the below of described housing is provided with the switching device that matches with electric power system switch loop, the top of described switching device has the transposition axle that vertically extends, the bottom of described housing has the transposition hole that coordinates with described transposition axle plug-in mounting, and described transposition hole is connected with the end of described the first obturator hernia.In the course of work, when plug-in strip closes a floodgate, when being the power equipment operation, described locking hole is not corresponding with described lock pin position, described lock pin can't be completed plug-in mounting with described locking hole and be connected, the end of described lock pin is positioned at the connectivity part between described the first obturator hernia and described the second obturator hernia at this moment, causing described earth stud can't pass described the second obturator hernia is connected with described locking nut, and described transposition axle is positioned at the low side station, make the electric power system switch closed, thereby avoid the ground connection operation under "on" position; When plug-in strip disconnects, when being power equipment power failure, described locking hole is corresponding with described lock pin position, this moment, the front end of described lock pin inserted in described locking hole, make the plug-in strip vertical-transmission operator link can't be movable, thereby with the plug-in strip locking, this moment, described transposition axle was positioned at high-end station, make the electric power system switch disconnect, and described earth stud passes described the second obturator hernia and is connected with described locking nut, described in operating process, lock pin resets backward to avoid, thereby effectively prevents from occuring in the ground connection operating process combined floodgate phenomenon.Whole locking device can effectively be avoided the operation generations such as live ground connection line or belt earth connection combined floodgate cutter, the relevant power equipment of protection and operating personnel's safety, and make the overall operation process of electric power system more safe and reliable.
Above locking device for grounding wire provided by the utility model is described in detail.Used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (5)
1. locking device for grounding wire, it is characterized in that: comprise housing, the front end edge of described housing is horizontally arranged with the lock pin that coordinates with the locking hole plug-in mounting of plug-in strip vertical-transmission operator link, the front end of described housing has the first obturator hernia that coordinates with described lock pin plug-in mounting, the middle part of described housing is penetrated with the second obturator hernia that is connected with the end of described the first obturator hernia, and the bearing of trend of the axis of the bearing of trend of the axis of described the second obturator hernia and described the first obturator hernia is perpendicular, be fitted with earth stud in described the second obturator hernia, and the external part of described earth stud is connected with locking nut,
The below of described housing is provided with the switching device that matches with electric power system switch loop, the top of described switching device has the transposition axle that vertically extends, the bottom of described housing has the transposition hole that coordinates with described transposition axle plug-in mounting, and described transposition hole is connected with the end of described the first obturator hernia.
2. locking device for grounding wire as claimed in claim 1, it is characterized in that: the top of described transposition axle is provided with the transposition roller, and the bearing of trend of the axis of described transposition roller is consistent with horizontal direction.
3. locking device for grounding wire as claimed in claim 1, is characterized in that: be provided with resetting means on described lock pin.
4. locking device for grounding wire as claimed in claim 3, it is characterized in that: the front end of described housing is provided with pressing plate, described lock pin runs through and stretches out in described pressing plate, the end of described lock pin has clamp, the back-moving spring that described resetting means is specially on the outer peripheral face that is set in described lock pin and matches with described pressing plate and described clamp respectively.
5. locking device for grounding wire as claimed in claim 1, it is characterized in that: the end of described lock pin is provided with the roller that matches with described earth stud, and the bearing of trend of the rotating shaft of described roller parallels with the bearing of trend of the axis of described earth stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728794 CN202996638U (en) | 2012-12-25 | 2012-12-25 | Ground wire blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728794 CN202996638U (en) | 2012-12-25 | 2012-12-25 | Ground wire blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996638U true CN202996638U (en) | 2013-06-12 |
Family
ID=48567781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220728794 Expired - Lifetime CN202996638U (en) | 2012-12-25 | 2012-12-25 | Ground wire blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466499A (en) * | 2021-05-27 | 2021-10-01 | 国网浙江省电力有限公司金华供电公司 | Circuit wiring test box |
-
2012
- 2012-12-25 CN CN 201220728794 patent/CN202996638U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466499A (en) * | 2021-05-27 | 2021-10-01 | 国网浙江省电力有限公司金华供电公司 | Circuit wiring test box |
| CN113466499B (en) * | 2021-05-27 | 2024-04-09 | 国网浙江省电力有限公司金华供电公司 | Circuit wiring test box |
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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: 20130612 |