CN208189475U - A kind of mining isolation fracture sealing vacuum feed switch - Google Patents
A kind of mining isolation fracture sealing vacuum feed switch Download PDFInfo
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- CN208189475U CN208189475U CN201820814779.4U CN201820814779U CN208189475U CN 208189475 U CN208189475 U CN 208189475U CN 201820814779 U CN201820814779 U CN 201820814779U CN 208189475 U CN208189475 U CN 208189475U
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Abstract
The utility model discloses a kind of mining isolation fracture sealing vacuum feed switch, including explosion-proof casing, vacuum circuit breaker, elevating mechanism and conductive mechanism, vacuum circuit breaker and elevating mechanism are arranged in explosion-proof casing, and vacuum circuit breaker is set on elevating mechanism；Conductive mechanism includes the three load side lug columns and three source side binding posts being arranged on the roof of explosion-proof casing；The three source side conductive casings and three load-side conductive casings, source side binding post that plug-in type is provided on vacuum circuit breaker match with source side conductive casings, and load side lug column matches with load-side conductive casings；Vacuum circuit breaker is able to drive source side conductive casings and load-side conductive casings under the driving of elevating mechanism and is closed or separates with source side binding post and load side lug column, after source side conductive casings and load-side conductive casings and source side binding post and load side lug post separation, feeding switch is set to have isolation fracture, electrical maintenance is safer in mine.
Description
Technical field
The utility model relates to the technical fields of mine vacuum distribution, true more particularly to a kind of mining isolation fracture sealing
Empty feeding switch.
Background technique
Coal mine explosion-proof power supply system is high, medium and low at present compress switch used in vacuum circuit breaker or vacuum circuit breaker composition
Switch, structure is to be fixedly connected by copper braid over braid or copper bar with screw.This not only makes process complications, but also due to
Connecting line contact is excessive, and contact resistance increases, and causes product temperature rise excessively high, shortens product service life.
In addition, that there are volumes is big for the flame-proof switch of traditional vacuum circuit breaker or breaker composition, back panel wiring layout is disorderly
Etc. some techniques and technically there are the problem of, it is often more important that normal circuit breaker electric clearance and creepage distance are mainly by space
Guarantee, conductive component is exposed to be easy to cause oxidation outside, can not ensure electrical maintenance life security in mine.
Utility model content
It is above-mentioned existing to solve the purpose of the utility model is to provide a kind of mining isolation fracture sealing vacuum feed switch
Technology there are the problem of, make feeding switch with isolation fracture, electrical maintenance is safer in mine.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of mining isolation fracture sealing vacuum feed switch, including explosion-proof casing, vacuum are broken
Road device, elevating mechanism and conductive mechanism, the vacuum circuit breaker and the elevating mechanism are arranged in explosion-proof casing, the vacuum
Breaker is set on the elevating mechanism；
The conductive mechanism includes the three load side lug columns and three electricity being arranged on the roof of the explosion-proof casing
Source binding post, the source side binding post and the load side lug column are inwardly projecting；
The three source side conductive casings and three load-side conductive casings of plug-in type are provided on the vacuum circuit breaker,
The source side binding post matches with the source side conductive casings, the load side lug column and the load-side conductive sleeve
Pipe matches；
The elevating mechanism is fixed on the explosion-proof casing bottom, and the elevating mechanism includes sector, bottom plate, top
Plate, cam shaft, cam roller bearing and actuating handle, the bottom plate are equipped with guide post, and the top plate is equipped with linear bearing, described
Guide post matches with the linear bearing, and the guide post can slide in the linear bearing, the sector and institute
Cam shaft connection is stated, the cam roller bearing is set in the variable diameter slot of the sector, and the bottom plate and the cam turn
Axis rotation connection, the top plate are connected with the cam roller bearing, and a driven gear, the behaviour are additionally provided on the cam shaft
Fixed handle and the explosion-proof casing are rotatablely connected, and one end of the actuating handle penetrates the explosion-proof casing and is equipped with driving tooth
Wheel, the driving gear are engaged with the driven gear；
The vacuum circuit breaker is able to drive the source side conductive casings and load under the driving of the elevating mechanism
Side conductive casings are closed or separate with the source side binding post and the load side lug column, in the source side conductive casings
After load-side conductive casings and the source side binding post and the load side lug post separation, the vacuum circuit breaker and institute
It states conductive mechanism and forms isolation fracture.
Preferably, the sector is two and is symmetrical arranged.
Preferably, the two sides of the explosion-proof casing are respectively equipped with left observation window and right observation window, for observing the isolation
Fracture.
Preferably, it is arranged with a current transformer, three load-sides respectively on three source side conductive casings
A zero sequence transformer is arranged on conductive casings altogether.
Preferably, one end of the variable diameter slot is gradually reduced relative to the spacing of the other end and the cam shaft.
Preferably, the bottom plate is connect with the bottom of the explosion-proof casing, and the top plate is equipped with disconnector installment seat.
Preferably, it being arranged with a cam on the actuating handle, the explosion-proof casing is connected with a mandril by sliding seat,
One end of the mandril is touched with the cam, and the other end of the mandril can be ejected by the cam in the explosion-proof casing
Door touched with the side of the door when opening.
Preferably, the guide post and the linear bearing are at least two pairs.
The utility model achieves following technical effect compared with the existing technology:
The utility model drives vacuum circuit breaker to move up and down using elevating mechanism, can make source side binding post and conduction
Casing forms isolation fracture, and when electrical maintenance is safer, and structure is simple, is easily installed, and effectively has compressed small product size, subtracts
Light product weight.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram one of the mining isolation fracture sealing vacuum feed switch of the utility model；
Fig. 2 is the structural schematic diagram two of the mining isolation fracture sealing vacuum feed switch of the utility model；
Fig. 3 is the structural schematic diagram three of the mining isolation fracture sealing vacuum feed switch of the utility model；
Fig. 4 is the structural schematic diagram four of the mining isolation fracture sealing vacuum feed switch of the utility model；
Fig. 5 is the structural schematic diagram one of elevating mechanism in the utility model；
Fig. 6 is the structural schematic diagram two of elevating mechanism in the utility model；
Wherein: 1- vacuum circuit breaker, 2- sector, 3- driving gear, 4- source side binding post, 5- load side lug
Column, 6- source side conductive casings, 7- load-side conductive casings, 8- current transformer, 9- zero sequence transformer, 10- actuating handle,
11- cam, 12- mandril, 13- scram button, the right observation window of 14-, 15-, 16- top plate, 17- bottom plate, 18- cam shaft, 19-
Cam roller bearing, 20- guide post, 21- linear bearing, 22- positioning bolt, 23- disconnector installment seat, 24- driven gear.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise not made the creative labor
Under every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of mining isolation fracture sealing vacuum feed switches, to solve the prior art
There are the problem of, make feeding switch with isolation fracture, electrical maintenance is safer in mine.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
It is as shown in Figures 1 to 6: to present embodiments provide a kind of mining isolation fracture sealing vacuum feed switch, including anti-
Blasting shell body, vacuum circuit breaker 1, elevating mechanism and conductive mechanism, vacuum circuit breaker 1 and elevating mechanism are arranged in explosion-proof casing,
Vacuum circuit breaker 1 is set on elevating mechanism.
Conductive mechanism includes three load side lug columns 5 being arranged on the roof of explosion-proof casing and three source side wiring
Column 4, source side binding post 4 and load side lug column 5 are inwardly projecting.
The three source side conductive casings 6 and three load-side conductive casings 7 of plug-in type are provided on vacuum circuit breaker 1,
Source side binding post 4 matches with source side conductive casings 6, and load side lug column 5 matches with load-side conductive casings 7.
Elevating mechanism is fixed on explosion-proof casing bottom, and elevating mechanism includes sector 2, bottom plate 17, top plate 16, cam turn
Axis 18, cam roller bearing 19 and actuating handle 10.Bottom plate 17 is equipped with guide post 20, and top plate 16 is equipped with linear bearing 21, guide post 20
Matching with linear bearing 21, and guide post 20 can slide in linear bearing 21, sector 2 is connect with cam shaft 18,
Cam roller bearing 19 is set in the variable diameter slot of sector 2, and bottom plate 17 and cam shaft 18 are rotatablely connected, bottom plate 17 and explosion-proof shell
The bottom of body connects, and top plate 16 is equipped with disconnector installment seat 23 and the positioning bolt 22 for breaker installation positioning.Top plate
16 and cam roller bearing 19 connect, a driven gear is additionally provided on cam shaft 18, actuating handle 10 and explosion-proof casing rotation connect
It connects, one end of actuating handle 10 penetrates explosion-proof casing and is equipped with driving gear 3, and driving gear 3 is engaged with driven gear 24.
Specifically, sector 2 is two and is symmetrical arranged, guide post 20 and linear bearing 21 are at least two pairs.It is fan-shaped convex
One end of variable diameter slot on wheel 2 is gradually reduced relative to the spacing of the other end and cam shaft 18.
Vacuum circuit breaker 1 is able to drive source side conductive casings 6 and load-side conductive casings 7 under the driving of elevating mechanism
With source side binding post 4 and the closure of load side lug column 5 or separate, source side conductive casings 6 and load-side conductive casings 7 with
After source side binding post 4 and load side lug column 5 separate, vacuum circuit breaker 1 and conductive mechanism form isolation fracture.Wherein, three
A current transformer 8 is arranged on a source side conductive casings 6 respectively, is arranged a zero sequence altogether on three load-side conductive casings 7
Mutual inductor 9.The static contact of source side conductive casings 6 is directly electrically connected with source side binding post 4, load-side conductive casings 7 it is quiet
Contact is directly electrically connected with load side lug column 5, and moving contact is set to inside source side conductive casings 6.
The present embodiment is related to all electrically conductive materials and is all made of resin sealing die-casting process being made, and is guaranteed with space
Electric clearance and creepage distance are completely different, and also there is PLC to control integrated design in the present embodiment, are had
The functions such as 485 communications and overcurrent, overload, electric leakage, short circuit, temperature control are protected to realize that mine operation provides safely strong technology
Barrier.
The present embodiment may also include the permanent magnet drive mechanism below conductive casings, can vertically drive three
Moving contact and source side binding post 4 in a power supply conductive casings and moving contact and load-side in three load conductive casings
Binding post 5 is electrically connected respectively, and then the synchronous divide-shut brake of synchronous drive conductive casings.
The present embodiment may also include electronic reversing mechanism, and electronic reversing mechanism can be realized the electronic of vacuum feed switch and change
To operation.Scram button 13 is additionally provided on explosion-proof shell body wall, scram button 13 is electrically connected with electronic reversing mechanism.Scram button
13 setting can make vacuum feed switch emergency opening, stop working, to cope with emergency case.
The two sides of explosion-proof casing are respectively equipped with left observation window and right observation window 14, wherein left observation window and right observation window 14
At the height of isolation fracture, for observing isolation fracture.
Actuating handle 10, which leaks out, is arranged with a cam 11 on the part outside explosion-proof casing, explosion-proof casing is connected by sliding seat
It is connected to a mandril 12, one end and the cam 11 of mandril 12 touch, and the other end of mandril 12 can be ejected by cam 11 in explosion-proof shell
It is touched when the door 15 of body is opened with the side of door 15, when enabling 15 operates or repairs, vacuum feed switch is in gate-dividing state,
Form isolation fracture.
The working principle of this implementation is as follows:
The mining isolation fracture sealing vacuum feed switch source side binding post 4 of this implementation is accessed into circuit, load flanks
After being loaded in the connection of terminal 5, actuating handle 10 is pulled, vacuum circuit breaker 1 is made to drive source side to lead under the driving of elevating mechanism
Electric bushing 6 and load-side conductive casings 7 and source side binding post 4 and load side lug column 5 are closed, circuit communication, and load is normal
Work, while the cam 11 that actuating handle 10 connects rotates, and one end of mandril 12 is made to withstand the side of the door pivot of explosion-proof casing
Face prevents the door 15 from opening.When needing to overhaul, opposite direction pulls actuating handle 10, makes vacuum circuit breaker 1 in elevating mechanism
Driving under drive source side conductive casings 6 and load-side conductive casings 7 to divide with source side binding post 4 and load side lug column 5
From formation isolation fracture, circuit breaker, load stops working, while 11 opposite direction of the cam rotation that actuating handle 10 connects, and makes
The side of the door pivot of explosion-proof casing is withdrawn from one end of mandril 12, and door 15 can just be opened at this time.
It drives vacuum circuit breaker 1 to move up and down using elevating mechanism, source side binding post 4 can be made to be formed with conductive casings
Isolation fracture, when electrical maintenance, are safer, and structure is simple, is easily installed, and effectively has compressed small product size, alleviates product
Weight.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of mining isolation fracture sealing vacuum feed switch, it is characterised in that: including explosion-proof casing, vacuum circuit breaker, liter
Descending mechanism and conductive mechanism, the vacuum circuit breaker and the elevating mechanism are arranged in explosion-proof casing, the vacuum circuit breaker
It is set on the elevating mechanism；
The conductive mechanism includes the three load side lug columns and three source sides being arranged on the roof of the explosion-proof casing
Binding post, the source side binding post and the load side lug column are inwardly projecting；
The three source side conductive casings and three load-side conductive casings of plug-in type are provided on the vacuum circuit breaker, it is described
Source side binding post matches with the source side conductive casings, the load side lug column and the load-side conductive casings phase
Matching；
The elevating mechanism is fixed on the explosion-proof casing bottom, and the elevating mechanism includes sector, bottom plate, top plate, convex
Shaft, cam roller bearing and actuating handle are taken turns, the bottom plate is equipped with guide post, and the top plate is equipped with linear bearing, the guide post
Match with the linear bearing, and the guide post can slide in the linear bearing, the sector with it is described convex
Axis connection is rotated, the cam roller bearing is set in the variable diameter slot of the sector, and the bottom plate and the cam shaft turn
Dynamic connection, the top plate are connected with the cam roller bearing, and a driven gear, the actuating hand are additionally provided on the cam shaft
Handle and the explosion-proof casing are rotatablely connected, and one end of the actuating handle penetrates the explosion-proof casing and is equipped with driving gear, institute
Driving gear is stated to engage with the driven gear；
The vacuum circuit breaker is able to drive the source side conductive casings under the driving of the elevating mechanism and load-side is led
Electric bushing is closed or separates with the source side binding post and the load side lug column, in the source side conductive casings and bears
After carrying side conductive casings and the source side binding post and the load side lug post separation, the vacuum circuit breaker is led with described
Motor is configured to isolation fracture.
2. mining isolation fracture sealing vacuum feed switch according to claim 1, it is characterised in that: the sector
For two and it is symmetrical arranged.
3. mining isolation fracture sealing vacuum feed switch according to claim 1, it is characterised in that: the explosion-proof casing
Two sides be respectively equipped with left observation window and right observation window, for observing the isolation fracture.
4. mining isolation fracture sealing vacuum feed switch according to claim 1, it is characterised in that: three power supplys
A current transformer is arranged on the conductive casings of side respectively, is arranged a zero-sequence mutual inductance altogether on three load-side conductive casings
Device.
5. mining isolation fracture sealing vacuum feed switch according to claim 1, it is characterised in that: the variable diameter slot
One end is gradually reduced relative to the spacing of the other end and the cam shaft.
6. mining isolation fracture sealing vacuum feed switch according to claim 1, it is characterised in that: the bottom plate and institute
The bottom connection of explosion-proof casing is stated, the top plate is equipped with disconnector installment seat.
7. mining isolation fracture sealing vacuum feed switch according to claim 1, it is characterised in that: the actuating handle
On be arranged with a cam, the explosion-proof casing is connected with a mandril by sliding seat, and one end of the mandril and the cam touch
It connects, the other end of the mandril can be ejected by the cam to be touched when the door of the explosion-proof casing is opened with the side of the door
It connects.
8. mining isolation fracture sealing vacuum feed switch according to claim 1, it is characterised in that: the guide post and institute
It states linear bearing and is at least two pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814779.4U CN208189475U (en) | 2018-05-29 | 2018-05-29 | A kind of mining isolation fracture sealing vacuum feed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814779.4U CN208189475U (en) | 2018-05-29 | 2018-05-29 | A kind of mining isolation fracture sealing vacuum feed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208189475U true CN208189475U (en) | 2018-12-04 |
Family
ID=64428801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820814779.4U Active CN208189475U (en) | 2018-05-29 | 2018-05-29 | A kind of mining isolation fracture sealing vacuum feed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208189475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115565812A (en) * | 2022-10-25 | 2023-01-03 | 电光防爆科技股份有限公司 | Mining explosion-proof and intrinsically safe vacuum feeder switch with low-voltage permanent magnet mechanism |
-
2018
- 2018-05-29 CN CN201820814779.4U patent/CN208189475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115565812A (en) * | 2022-10-25 | 2023-01-03 | 电光防爆科技股份有限公司 | Mining explosion-proof and intrinsically safe vacuum feeder switch with low-voltage permanent magnet mechanism |
| CN115565812B (en) * | 2022-10-25 | 2023-11-07 | 电光防爆科技股份有限公司 | Mining explosion-proof and intrinsically safe vacuum feed switch for low-voltage permanent magnet mechanism |
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