CN209389454U - Low-voltage circuit breaker earthing or grounding means in a kind of comprehensive distribution box - Google Patents
Low-voltage circuit breaker earthing or grounding means in a kind of comprehensive distribution box Download PDFInfo
- Publication number
- CN209389454U CN209389454U CN201822232750.8U CN201822232750U CN209389454U CN 209389454 U CN209389454 U CN 209389454U CN 201822232750 U CN201822232750 U CN 201822232750U CN 209389454 U CN209389454 U CN 209389454U
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- Prior art keywords
- self
- circuit breaker
- low
- voltage circuit
- locking hole
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Abstract
The utility model discloses low-voltage circuit breaker earthing or grounding means in a kind of comprehensive distribution box, including low-voltage circuit breaker, quiescent contacting knife, fixed bracket, movable touch knife folder, pedestal and operating handle, quiescent contacting knife is equipped at the low-voltage circuit breaker outgoing line side low pressure pile crown, low-voltage circuit breaker is equipped with fixed bracket, several movable touch knifes to match with quiescent contacting knife are equipped on the inside of the pedestal to press from both sides, the fixed bracket is equipped with several equally distributed tie rod holes, movable connecting rod is equipped in the tie rod holes, described connecting rod one end is connected and fixed by bolt and pedestal, and the connecting rod other end is fixedly connected with operating handle, the connecting rod side is equipped with the first self-locking hole, the fixed bracket is equipped with the electromagnetic self-locking device being fixedly connected, the electromagnetic self-locking device output end is equipped with the telescopic self-lock rod to match with the first self-locking hole, utilize self-lock rod It is locked, prevent the generation of accident of human electric shock, it is ensured that the personal safety of operating personnel.
Description
Technical field:
The utility model relates to comprehensive distribution box technical fields, and in particular to low-voltage circuit breaker connects in a kind of comprehensive distribution box
Ground device.
Background technique:
It is provided according to " State Grid Corporation of China's electric power safety working regulation (distribution section) (tentative) ": to ensure to overhaul construction
The personal safety of operating personnel, it is necessary to power failure equipments are turned into maintenance rear and are started to work, and running comprehensive distribution box at present
When line outage below interior low-voltage circuit breaker is overhauled, earthing or grounding means can not be installed, it cannot be by low-voltage circuit breaker in comprehensive distribution box
Following route really turns inspecting state, easily generation safety accident.
Utility model content:
The prior art is difficult to meet the needs of people, and to solve the above problems, the utility model proposes one
Low-voltage circuit breaker earthing or grounding means in kind comprehensive distribution box.
To achieve the above object, the utility model provides the following technical solutions: low-voltage circuit breaker in a kind of comprehensive distribution box
Earthing or grounding means, including low-voltage circuit breaker, quiescent contacting knife, fixed bracket, movable touch knife folder, pedestal and operating handle, the low pressure open circuit
It is equipped with several equally distributed quiescent contacting knifes at device outgoing line side low pressure pile crown, is set on the low-voltage circuit breaker on the outside of quiescent contacting knife
There is fixed bracket, pedestal is equipped on the inside of the fixed bracket, several dynamic touchings to match with quiescent contacting knife are equipped on the inside of the pedestal
Cutter holder, the fixed bracket are equipped with several equally distributed tie rod holes, and movable connecting rod is equipped in the tie rod holes, described
Connecting rod one end is connected and fixed by bolt and pedestal, and the connecting rod other end is fixedly connected with operating handle, it is characterised in that:
The connecting rod side is equipped with the first self-locking hole, and the fixed bracket positioned at first self-locking hole the same side, which is equipped with, to be fixedly connected
Electromagnetic self-locking device, the electromagnetic self-locking device output end is equipped with the telescopic self-lock rod that matches with the first self-locking hole.
Preferably, positioned at the first self-locking hole other side the connecting rod be equipped with the first self-locking hole size it is identical and
Second self-locking hole of same level, the fixed bracket between the first self-locking hole and the second self-locking hole, which is equipped with, to be fixed
Block is equipped with adjustment hole in the fixed block, is equipped in the adjustment hole and matches and be flexibly connected with the first self-locking hole size
Adjusting rod, the adjustment hole inner wall on the outside of adjusting rod are equipped with several regulating tanks, and spring is equipped in the regulating tank, described
Adjusting rod is equipped with several fixed links to match with regulating tank, and the spring one end is connect with trench bottom is adjusted, and spring is another
One end is connect with fixed link.
Further, the center of the self-lock rod and adjusting rod is in the same horizontal line.
Further, the fixed link is located at close to the side of the first self-locking hole, and the spring is located at self-locking close to second
The side in hole.
Preferably, the operating handle side is equipped with reserve tank, and the slot cover being threadedly coupled is equipped on the outside of the reserve tank, and
It is equipped in reserve tank and is fixedly connected with small-sized electroscope, the electroscope outside with slot cover.
Preferably, the fixed bracket is frame shape, and fixed bracket both ends are equipped with fixation hole, and the fixation hole passes through bolt
It is connect with low-voltage circuit breaker both ends.
Preferably, the quiescent contacting knife is seven font quiescent contacting knifes, and it is exhausted that the operating handle and connecting rod are all made of epoxy resin
Edge bar material is made.
Preferably, the electromagnetic self-locking device is using the electromagnetic self-locking device provided in CN201520202887.2.
Preferably, the electromagnetic self-locking device and low-voltage circuit breaker switch are electrically connected.
Preferably, the pedestal is equipped with side ground lead wiring pile.
Compared with prior art, the utility model has the beneficial effects that
By the control of electromagnetic self-locking device, in the case where switching "on" position, electromagnetic self-locking device obtains electric, self-lock rod pop-up,
Operating handle is locked, ground connection movable touch knife is clipped in disconnected position, can not carry out contact of earth operation；It switchs under gate-dividing state, electricity
Magnetic self-locking device power loss, self-locking device self-lock rod retract, and operating handle can artificially carry out contact of earth operation, to prevent the person
The generation of electric shock accidents, it is ensured that the personal safety of operating personnel；
Two identical and concordant self-locking holes of size are set and push travelling forward for adjusting rod using the elongation of self-lock rod,
It is that self-lock rod fixes the first self-locking hole, adjusting rod fixes the second self-locking hole, to make the both ends of operating handle can be effective
It is locked, fixation is more secured, in self-lock rod recycling, due to the presence of spring, can effectively make adjusting rod restore to
Initial position does not influence to use；
Since existing operating handle size is all using long 8CM, wide 3CM, thick 2.5CM；Therefore by the sky of operating handle
Between make full use of, electroscope is set in operating handle, in order to prevent fortuitous event occur or when needed without band
Electroscope and so on, directly slot cover can be rotated, take out electroscope, carry out relevant operation, it is convenient and efficient.
Detailed description of the invention:
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the operating handle and connecting rod attachment structure schematic diagram of the utility model；
Fig. 3 is the movable touch knife folder and base connector schematic diagram of the utility model；
Fig. 4 is the fixation bracket and electromagnetic self-locking device attachment structure schematic diagram of the utility model；
Fig. 5 is structural schematic diagram between the adjusting rod and self-lock rod of the utility model；
Fig. 6 is attachment structure schematic diagram between the fixed block and adjusting rod of the utility model；
Fig. 7 is overall structure diagram inside the operating handle of the utility model；
In figure: 1- fixed bracket, 2- quiescent contacting knife, 3- movable touch knife folder, 4- pedestal, 5- connecting rod, 6- operating handle, 7- electromagnetism
Self-locking device, 8- fixation hole, the first self-locking hole of 9-, 12- ground lead wiring pile, the second self-locking hole of 13-, 14- tie rod holes, 15-
Self-lock rod, 10- low-voltage circuit breaker, 17- fixed block, 18- adjusting rod, 19- spring, 20- regulating tank, 21- fixed link, 22- are adjusted
Hole, 23- reserve tank, 24- slot cover, 25- electroscope.
Specific embodiment:
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Embodiment 1
Low-voltage circuit breaker earthing or grounding means in a kind of comprehensive distribution box, including low-voltage circuit breaker 10, quiescent contacting knife 2, fixed bracket
1, movable touch knife presss from both sides 3, pedestal 4 and operating handle 6, is equipped with several be uniformly distributed at the 10 outgoing line side low pressure pile crown of low-voltage circuit breaker
Quiescent contacting knife 2, the low-voltage circuit breaker 10 positioned at the outside of quiescent contacting knife 2 is equipped with fixed bracket 1, fixed 1 inside of bracket
Several movable touch knife folders 3 to match with quiescent contacting knife 2 are equipped with equipped with pedestal 4, on the inside of the pedestal 4, the fixed bracket 1 is equipped with
Several equally distributed tie rod holes 14, the tie rod holes 14 are interior to be equipped with movable connecting rod 5, and described 5 one end of connecting rod passes through spiral shell
Bolt is connected and fixed with pedestal 4, and 5 other end of connecting rod is fixedly connected with operating handle 6, and 5 side of connecting rod is equipped with first
Self-locking hole 9, the fixed bracket 1 positioned at 9 the same side of the first self-locking hole are equipped with the electromagnetic self-locking device 7 being fixedly connected, institute
It states 7 output end of electromagnetic self-locking device and is equipped with the telescopic self-lock rod 15 to match with the first self-locking hole, be located at the first self-locking hole 9
The connecting rod 5 of the other side is equipped with second self-locking hole 13 identical and in same level with 9 size of the first self-locking hole, position
The fixed bracket 1 between the first self-locking hole 9 and the second self-locking hole 13 is equipped with fixed block 17, sets in the fixed block 17
There is adjustment hole 22, the adjusting rod 18 for matching and being flexibly connected with 9 size of the first self-locking hole is equipped in the adjustment hole 22, it is described
22 inner wall of adjustment hole is equipped with several regulating tanks 20, and spring 19 is equipped in the regulating tank 20, and the adjusting rod 18 is equipped with several
The fixed link 21 to match with regulating tank 20, described 19 one end of spring are connect with 20 bottom of regulating tank, and 19 other end of spring with
Fixed link 21 connects.
Preferably, the center of the self-lock rod 15 and adjusting rod 18 is in the same horizontal line.
Preferably, the fixed link 21 is located at close to the side of the first self-locking hole 9, and the spring 19 is located at close to second certainly
The side of lockhole 13.
Preferably, the fixed bracket 1 is frame shape, and fixed 1 both ends of bracket are equipped with fixation hole 8, and the fixation hole 8 passes through
Bolt is connect with 10 both ends of low-voltage circuit breaker.
Preferably, the quiescent contacting knife 2 is seven font quiescent contacting knifes, and the operating handle 6 and connecting rod 5 are all made of epoxy resin
Insulation bar material is made.
Preferably, the electromagnetic self-locking device 15 is using the electromagnetic self-locking device provided in CN201520202887.2.
Preferably, the electromagnetic self-locking device 15 is electrically connected with the switch of low-voltage circuit breaker 10.
Preferably, the pedestal 4 is equipped with side ground lead wiring pile 12.
Embodiment 2
Place same as Example 1 no longer repeats, and difference from Example 1 is:
Preferably, 6 side of operating handle is equipped with reserve tank 23, is equipped with the slot being threadedly coupled on the outside of the reserve tank 23
Lid 24, and be equipped in reserve tank 23 and be fixedly connected with small-sized electroscope 25,25 outside of electroscope with slot cover 24.
The utility model for low-voltage circuit breaker earthing or grounding means in comprehensive distribution box when in use:
Installation steps are as follows:
1, seven font quiescent contacting knifes 2 are mounted at 10 outgoing line side low pressure pile crown of low-voltage circuit breaker；
2, fixed bracket 1 is fixed by bolts to 10 two sides of low-voltage circuit breaker (with seven font quiescent contacting knife position consistencies)；
3, it is mounted on fixed bracket 1 after being attached ground connection movable touch knife folder 3 and operating handle 6 by connecting rod 5；
4, ground connection movable touch knife 3 is attached simultaneously reliable ground with short-circuit grounding wire；
5, by the rack-mount designated position of electromagnetic self-locking device 7, and ensure chain reliable.
When switching under "on" position, electromagnetic self-locking device 7 must be electric, and self-lock rod 15 pops up, and self-lock rod 15 initially passes through first certainly
Then lockhole 9 pushes adjusting rod 18 to move out, so that adjusting rod 18 is passed through the second self-locking hole 13, simultaneously by operating handle both ends
Locked, ground connection movable touch knife folder 3 can not carry out contact of earth operation in disconnected position；
When switching under gate-dividing state, 7 power loss of electromagnetic self-locking device, self-locking device self-lock rod 15 is retracted, simultaneously because spring
19 presence recycles adjusting rod 18 automatically, so that the first self-locking hole 9 and the second self-locking hole 13 unlock simultaneously, operating handle 6
Contact of earth operation can artificially be carried out.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. low-voltage circuit breaker earthing or grounding means in a kind of comprehensive distribution box, including low-voltage circuit breaker, quiescent contacting knife, fixed bracket, dynamic touching
Cutter holder, pedestal and operating handle are equipped with several equally distributed quiescent contacting knifes, position at the low-voltage circuit breaker outgoing line side low pressure pile crown
The low-voltage circuit breaker on the outside of quiescent contacting knife is equipped with fixed bracket, is equipped with pedestal, the pedestal on the inside of the fixed bracket
Inside is equipped with several movable touch knifes to match with quiescent contacting knife and presss from both sides, and the fixed bracket is equipped with several equally distributed tie rod holes,
Movable connecting rod is equipped in the tie rod holes, described connecting rod one end is connected and fixed by bolt and pedestal, and connecting rod is another
One end is fixedly connected with operating handle, it is characterised in that: the connecting rod side is equipped with the first self-locking hole, is located at the first self-locking hole
The fixed bracket of the same side is equipped with the electromagnetic self-locking device that is fixedly connected, the electromagnetic self-locking device output end be equipped with
The telescopic self-lock rod that first self-locking hole matches.
2. low-voltage circuit breaker earthing or grounding means in comprehensive distribution box according to claim 1, it is characterised in that: be located at first certainly
The connecting rod of the lockhole other side is equipped with second self-locking hole identical and in same level with the first self-locking hole size, position
The fixed bracket between the first self-locking hole and the second self-locking hole is equipped with fixed block, is equipped with and adjusts in the fixed block
Hole, the adjustment hole is interior to be equipped with the adjusting rod for matching and being flexibly connected with the first self-locking hole size, on the outside of adjusting rod
The adjustment hole inner wall is equipped with several regulating tanks, and spring is equipped in the regulating tank, and the adjusting rod is equipped with several and adjusts
The fixed link that slot matches, the spring one end is connect with trench bottom is adjusted, and the spring other end is connect with fixed link.
3. low-voltage circuit breaker earthing or grounding means in comprehensive distribution box according to claim 2, it is characterised in that: the self-lock rod
In the same horizontal line with the center of adjusting rod.
4. low-voltage circuit breaker earthing or grounding means in comprehensive distribution box according to claim 2, it is characterised in that: the fixed link
Positioned at the side close to the first self-locking hole, the spring is located at close to the side of the second self-locking hole.
5. low-voltage circuit breaker earthing or grounding means in comprehensive distribution box according to claim 1, it is characterised in that: the operation handlebar
Hand side is equipped with reserve tank, and the slot cover being threadedly coupled is equipped on the outside of the reserve tank, and be equipped in reserve tank with small-sized electroscope,
It is fixedly connected on the outside of the electroscope with slot cover.
6. low-voltage circuit breaker earthing or grounding means in comprehensive distribution box according to claim 1, it is characterised in that: the fixed branch
Frame is frame shape, and fixed bracket both ends are equipped with fixation hole, and the fixation hole is connect by bolt with low-voltage circuit breaker both ends.
7. low-voltage circuit breaker earthing or grounding means in comprehensive distribution box according to claim 1, it is characterised in that: the quiescent contacting knife
For seven font quiescent contacting knifes, the operating handle and connecting rod are all made of epoxy resins insulation bar material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232750.8U CN209389454U (en) | 2018-12-28 | 2018-12-28 | Low-voltage circuit breaker earthing or grounding means in a kind of comprehensive distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232750.8U CN209389454U (en) | 2018-12-28 | 2018-12-28 | Low-voltage circuit breaker earthing or grounding means in a kind of comprehensive distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209389454U true CN209389454U (en) | 2019-09-13 |
Family
ID=67862456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822232750.8U Expired - Fee Related CN209389454U (en) | 2018-12-28 | 2018-12-28 | Low-voltage circuit breaker earthing or grounding means in a kind of comprehensive distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209389454U (en) |
-
2018
- 2018-12-28 CN CN201822232750.8U patent/CN209389454U/en not_active Expired - Fee Related
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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: 20190913 Termination date: 20201228 |