CN108389755A - Mining explosion-proof type permanent magnetic vacuum feed switch - Google Patents
Mining explosion-proof type permanent magnetic vacuum feed switch Download PDFInfo
- Publication number
- CN108389755A CN108389755A CN201810471359.5A CN201810471359A CN108389755A CN 108389755 A CN108389755 A CN 108389755A CN 201810471359 A CN201810471359 A CN 201810471359A CN 108389755 A CN108389755 A CN 108389755A
- Authority
- CN
- China
- Prior art keywords
- flame
- proof
- switch
- plug
- socket
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/48—Interlocking mechanisms for interlocking between casing or cover and mechanism for operating contacts
Landscapes
- Trip Switchboards (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of mining explosion-proof type permanent magnetic vacuum feed switchs, it is related to coal electrical equipment, include the plug-in type major loop connection component socket being set in flame-proof switch shell and movement connection component plug, the socket is set in flame-proof switch shell, the plug is set to the other side that the socket corresponds to grafting, when the plug is inserted into socket, switch machine core is connected to major loop, switch is in "on" position, and the flame-proof switch also includes lifting gear and interlock.The present invention switchs the structure that major loop uses upper and lower plug-in type, and controlling lifting gear by the hand handle outside shell carries out grafting operation up and down, easy to operate laborsaving, ensures the personal safety of operating personnel.
Description
Technical field
The present invention relates to coal electrical equipment, specifically a kind of mining explosion-proof type permanent magnetic vacuum feed switch.
Background technology
In coal electrical equipment industry, the company of the flame-proof switches major loop such as vacuum feed switch, vacuum electromagnetic starter
It connects mainly direct using conducting wire, is exactly together with conducting wire and prototype part bolt and conductor compression jointing, when needing to overhaul or safeguard
When need all remove connection, movement could be taken out out of flame-proof switch shell, thus it is operationally relatively time-consuming, take
Power.Simultaneously as operating personnel do not have a power failure by normal operations, electrical verification or the aging of certain original papers, damage cause to switch
Power supply and load cannot be completely separable, can all cause personal injury, safety coefficient to be improved.
Invention content
To solve above-mentioned technical problem, the present invention provides a kind of mining explosion-proof type permanent magnetic vacuum feed switch, opens
The structure that major loop uses upper and lower plug-in type is closed, controlling lifting gear by the hand handle outside shell carries out grafting operation up and down,
It is easy to operate laborsaving, ensure the personal safety of operating personnel.
The present invention solve its technical problem the technical solution adopted is that：
A kind of mining explosion-proof type permanent magnetic vacuum feed switch includes that the plug-in type major loop being set in flame-proof switch shell connects
Connected components socket and movement connection component plug, the socket are set in flame-proof switch shell, and the plug is set to described
Socket corresponds to the other side of grafting, and when the plug is inserted into socket, switch machine core is connected to major loop, and switch is in and waits closing a floodgate
Or "on" position, the flame-proof switch also include lifting gear and interlock, the lifting gear include lifting handle,
Transmission mechanism, lift cart and guide rail, the guide rail are set to bottom in flame-proof switch shell, are fixed at the top of the lift cart
Setting plug, bottom are set on guide rail, and the lifting handle is set to flame-proof switch hull outside, is connected by transmission mechanism
Lift cart, control lift cart on plug and socket between division, the lift cart by support plate, side support plate,
Shaft and traveling wheel composition, the side support plate are set as two pieces and are respectively arranged at support plate bottom surface both side and therewith activity company
It connecing, the side support plate bottoms of both sides is respectively set shaft, and the both ends of the shaft are arranged the traveling wheel that can be walked on guide rail, and two
Reversed screw thread, the biography are set with both sides shaft coupling part through connection leading screw, the leading screw between the shaft of side
The both ends of motivation structure are separately connected lifting handle and leading screw, and lift cart is driven to lift in orbit, the interlock setting
Between flame-proof switch shell front door and lifting gear, when plug and socket grafting, interlock locking front door cannot
It opens, when plug is separated with socket, the interlock is stopped, and front door can open.
The interlock is made of locking push rod, blocking lever and latch shaft, and the locking push rod is fixedly installed on lifting
In the shaft of the shaft of trolley side, with pivot, the latch shaft is set to the side of flame-proof switch shell, one end with
The locking push rod is opposite, the other end protrudes from flame-proof switch hull outside, and the blocking lever is fixedly installed on flame-proof switch shell
Body side surface, the front end of the blocking lever is used to be inserted into the lockhole at front door, end is used to limit the action of latch shaft, rotation interlocking bar
The interlocking at front door and flame-proof switch shell is realized in conjunction with the action of lifting gear.
The transmission mechanism uses sprocket wheel chain drive mechanism, the head sprocket of the transmission mechanism connect with lifting handle,
Accessary sprocket wheel is connect with leading screw.
Screw thread on the leading screw is set as the opposite T-type screw thread in direction.
Caging bolt is respectively set on the inside of the shaft of both sides on the leading screw.
The flame-proof switch also includes guider, and the guider includes guide post and guide holder, described to lead
The support plate bottom side of lift cart is set to seat, the guide post is correspondingly arranged in the bottom of flame-proof switch shell with guide holder
On face.
The configuration of the present invention is simple devises the structure of flame-proof switch movement and major loop two-piece unit socket connection, behaviour
It is set to outside switch case, plug and socket grafting is made by operation lifting gear and is reliably connected as handle, one
Operation is completed, more convenient and safe；The mechanical interlocking structure between switch front door and lifting gear is devised, only at switch
When gate-dividing state, switch front door could open, and realize the completely separable of switch machine core and major loop, efficiently solve due to
The reasons such as the stuck, vacuum tube adhesion of breaker cause switch load side to charge historical difficulty, ensure that the person peace of staff
Entirely, the service life of equipment is extended.
Description of the drawings
Fig. 1 is the positive internal structure schematic diagram of the present invention；
Fig. 2 is lateral inner structural schematic diagram of the present invention；
Fig. 3 is lifting gear overlooking structure diagram of the present invention；
Fig. 4 is lifting gear present invention looks up structural representation of the present invention；
Fig. 5 is that interlock of the present invention is latched pusher structure schematic diagram；
Fig. 6 is interlock latch shaft structural schematic diagram of the present invention；
Fig. 7 is status diagram when interlock of the present invention is unlocked；
Fig. 8 is status diagram when interlock of the present invention is latched.
Specific implementation mode
The present invention will be described in detail in the following with reference to the drawings and specific embodiments：
As shown in Figs 1-4, the mining explosion-proof type permanent magnetic vacuum feed switch includes the grafting being set in flame-proof switch shell
Formula major loop connection component socket 1 and movement connection component plug 2, the socket 1 is set in flame-proof switch shell, described to insert
First 2 are set to the other side that the socket 1 corresponds to grafting, and when the plug 2 is inserted into socket 1, switch machine core connects with major loop
Logical, switch is in waiting closing a floodgate or "on" position, the flame-proof switch also include lifting gear 3 and interlock 5, the lifting
Device 3 includes lifting handle 31, transmission mechanism 32, lift cart 33 and guide rail 34, and the guide rail 34 is set to flame-proof switch
Bottom in shell, 33 top fixed setting plug 2 of the lift cart, bottom are set on guide rail 34, the lifting handle 31
Be set to flame-proof switch hull outside, by transmission mechanism 32 connect lift cart 33, control lift cart 33 on plug 2 with
Division between socket 1, the lift cart 33 are made of support plate 331, side support plate 332, shaft 333 and traveling wheel 334,
The side support plate 332 is set as two pieces and is respectively arranged at 331 bottom surface both side of support plate and is flexibly connected therewith, both sides it is collateral
Shaft 333 is respectively set in 332 bottom of fagging, and the traveling wheel 334 that can be walked on guide rail 34 is arranged in the both ends of the shaft 333,
Through connection leading screw 335 between the shaft 333 of both sides, the leading screw 335 and the setting of 333 coupling part of both sides shaft are reversed
Screw thread, the both ends of the transmission mechanism 32 are separately connected lifting handle 31 and leading screw 335, drive lift cart 33 in track 34
Upper lifting, the interlock 5 are set between flame-proof switch shell front door and lifting gear 3, when plug 2 and 1 grafting of socket
When, the interlock 5 locks front door and cannot open, and when plug 2 is separated with socket 1, the interlock 5 is stopped,
Front door can open.As one of preferred mode, in the present embodiment, the transmission mechanism 32 is using sprocket wheel chain transmission knot
Structure, the head sprocket of the transmission mechanism 32 is connect with lifting handle 31, accessary sprocket wheel and leading screw 335 connect, and passes through lifting handle 31
Operation drive leading screw 335 rotation.
As there is one of preferred mode, in the present embodiment, the screw thread on the leading screw 335 is set as the opposite T in direction
Type screw thread.
As one of preferred mode, in the present embodiment, the inside of both sides shaft 333 is respectively set on the leading screw 335
Caging bolt 336, the stroke for limiting both sides shaft 333.
As one of preferred mode, the flame-proof switch also includes guider 4, and the guider 4 includes
Guide post 41 and guide holder 42, the guide holder 42 are set to the bottom side of the support plate 331 of lift cart 33, the guide post
41 are correspondingly arranged in guide holder 42 on the bottom surface of flame-proof switch shell.For ensureing lifting gear 3 smoothly by plug 2 and socket
1 grafting is simultaneously bonded.
As seen in figs. 5-6, as one of preferred mode, in the present embodiment, the interlock 5 by locking push rod 51,
Blocking lever 52 and latch shaft 53 form, and the locking push rod 51 is fixedly installed on the shaft of the shaft 333 of 33 side of lift cart
On, it is moved with shaft 333, the latch shaft 53 is set to the side of flame-proof switch shell, one end and the locking push rod 51
The opposite, other end protrudes from flame-proof switch hull outside, and the blocking lever 52 is fixedly installed on flame-proof switch housing side, described
The front end of blocking lever 52 is used to be inserted into the lockhole at front door, end is used to limit the action of latch shaft 53, and rotation interlocking bar 52 combines
The interlocking at front door and flame-proof switch shell is realized in the action of lifting gear 3.
As shown in figure 8, blocking lever 52 is rotated counterclockwise to position as shown in the figure, it is inserted into the lockhole at front door 54, makes it
Front door 54 is limited to open.When rotating clockwise the lifting handle 31 of flame-proof switch hull outside, the main chain of transmission mechanism 32 is driven
Wheel, chain, accessary sprocket wheel rotation, accessary sprocket wheel drive leading screw 335 to rotate clockwise, and the rotary motion of the leading screw 335 makes left and right
Both sides shaft 333 is moved to intermediate direction, the side support plate 332 of the both sides follow traveling wheel 334 in the movement of guide rail 34 and
Movement, final support plate 331 move upwards, and the movement connection component plug 2 in the support plate 331 is moved up to and led back
1 grafting of road connection component socket.During the motion, the guide post of guider 4 does concentric motion up and down with guide holder, it is ensured that
Plug 2 is normally plugged in together with socket 1, and switch is in "on" position.In whole process, locking push rod 51 pushes latch shaft 53
It moves right, limits blocking lever 52 and rotate clockwise movement to the right, therefore under "on" position, front door 54 cannot open.Such as
Fruit is wanted to open front door 54, and rotation and lifting handle 31 counterclockwise drives head sprocket, chain, accessary sprocket wheel rotation, above-mentioned action anti-
To guider 4 falls to origin-location, and switch is in gate-dividing state, rotates clockwise blocking lever 52 to position as shown in Figure 7
It sets, so that it is limited latch shaft 53 and move right, front door 54 can open, and in such cases, can not rotate the lifting of lifting gear 3
2 grafting of socket 1 and plug can not be ensure that the safety of operating personnel by handle 31.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of the present invention should also belong to the present invention's
Protection domain.
Claims (6)
1. a kind of mining explosion-proof type permanent magnetic vacuum feed switch includes the plug-in type major loop being set in flame-proof switch shell
Connection component socket（1）With movement connection component plug（2）, the socket（1）It is set in flame-proof switch shell, the plug
（2）It is set to the socket（1）The other side of corresponding grafting, when the plug（2）It is inserted into socket（1）When, switch machine core and master
Circuit communication, switch is in waiting closing a floodgate or "on" position, which is characterized in that the flame-proof switch also includes lifting gear（3）
And interlock（5）, the lifting gear（3）It include lifting handle（31）, transmission mechanism（32）, lift cart（33）With lead
Rail（34）, the guide rail（34）It is set to bottom in flame-proof switch shell, the lift cart（33）Plug is fixedly installed in top
（2）, bottom be set to guide rail（34）On, the lifting handle（31）It is set to flame-proof switch hull outside, passes through transmission mechanism
（32）Connect lift cart（33）, control lift cart（33）On plug（2）With socket（1）Between division, the lifting
Trolley（33）By support plate（331）, side support plate（332）, shaft（333）And traveling wheel（334）Composition, the side support plate
（332）It is set as two pieces and is respectively arranged at support plate（331）Bottom surface both side is simultaneously flexibly connected therewith, the side support plate of both sides
（332）Shaft is respectively set in bottom（333）, the shaft（333）Both ends setting can be in guide rail（34）The traveling wheel of upper walking
（334）, the shaft of both sides（333）Between through connection leading screw（335）, the leading screw（335）With both sides shaft（333）Even
Socket part, which sets up separately, sets reversed screw thread, the transmission mechanism（32）Both ends be separately connected lifting handle（31）And leading screw（335）, band
Dynamic lift cart（33）In track（34）Upper lifting, the interlock（5）Flame-proof switch shell front door is set to fill with lifting
It sets（3）Between, work as plug（2）With socket（1）When grafting, the interlock（5）Locking front door cannot open, and work as plug（2）
With socket（1）When separating, the interlock（5）It is stopped, front door can open.
2. mining explosion-proof type permanent magnetic vacuum feed switch according to claim 1, which is characterized in that the interlock
（5）By locking push rod（51）, blocking lever（52）And latch shaft（53）Composition, the locking push rod（51）It is small to be fixedly installed on lifting
Vehicle（33）The shaft of side（333）Shaft on, with shaft（333）Movement, the latch shaft（53）It is set to flame-proof switch shell
The side of body, one end and the locking push rod（51）The opposite, other end protrudes from flame-proof switch hull outside, the blocking lever
（52）It is fixedly installed on flame-proof switch housing side, the blocking lever（52）Front end be used to be inserted into the lockhole at front door, end is used
In limitation latch shaft（53）Action, rotation interlocking bar（52）In conjunction with lifting gear（3）Action realize front door and flame-proof switch
The interlocking of shell.
3. mining explosion-proof type permanent magnetic vacuum feed switch according to claim 1, which is characterized in that the transmission mechanism
（32）Using sprocket wheel chain drive mechanism, the transmission mechanism（32）Head sprocket and lifting handle（31）Connection, accessary sprocket wheel with
Leading screw（335）Connection.
4. mining explosion-proof type permanent magnetic vacuum feed switch according to claim 1, which is characterized in that the leading screw（335）
On screw thread be set as the opposite T-type screw thread in direction.
5. according to the mining explosion-proof type permanent magnetic vacuum feed switch described in 1,3,4 any one claims, which is characterized in that institute
State leading screw（335）Upper both sides shaft（333）Inside caging bolt is respectively set（336）.
6. according to the mining explosion-proof type permanent magnetic vacuum feed switch described in 1-4 any one claims, which is characterized in that described
Flame-proof switch also includes guider（4）, the guider（4）It include guide post（41）And guide holder（42）, described
Guide holder（42）It is set to lift cart（33）Support plate（331）Bottom side, the guide post（42）With guide holder（42）It is right
It should be set on the bottom surface of flame-proof switch shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471359.5A CN108389755B (en) | 2018-05-17 | 2018-05-17 | Explosion-proof permanent magnet vacuum feed switch for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471359.5A CN108389755B (en) | 2018-05-17 | 2018-05-17 | Explosion-proof permanent magnet vacuum feed switch for mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108389755A true CN108389755A (en) | 2018-08-10 |
| CN108389755B CN108389755B (en) | 2023-10-03 |
Family
ID=63071074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810471359.5A Active CN108389755B (en) | 2018-05-17 | 2018-05-17 | Explosion-proof permanent magnet vacuum feed switch for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108389755B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243881A (en) * | 2018-10-31 | 2019-01-18 | 山西际安电气有限公司 | Isolated machine core for mining flameproof feed switch |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202996684U (en) * | 2012-07-19 | 2013-06-12 | 上海上矿防爆电气(集团)有限公司 | Permanent magnet vacuum feeder switch used in mining explosion suppression type mobile transformer station |
| CN104659662A (en) * | 2015-02-13 | 2015-05-27 | 合信防爆科技有限公司 | Explosion-proof type low-voltage vacuum combined feed switch for mine |
| CN104916470A (en) * | 2015-06-29 | 2015-09-16 | 温州侨融电子科技有限公司 | Explosive-proof device having interlocking mechanism |
| CN208225796U (en) * | 2018-05-17 | 2018-12-11 | 山东凯成电器有限公司 | Mining explosion-proof type permanent magnetic vacuum feed switch |
-
2018
- 2018-05-17 CN CN201810471359.5A patent/CN108389755B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202996684U (en) * | 2012-07-19 | 2013-06-12 | 上海上矿防爆电气(集团)有限公司 | Permanent magnet vacuum feeder switch used in mining explosion suppression type mobile transformer station |
| CN104659662A (en) * | 2015-02-13 | 2015-05-27 | 合信防爆科技有限公司 | Explosion-proof type low-voltage vacuum combined feed switch for mine |
| CN104916470A (en) * | 2015-06-29 | 2015-09-16 | 温州侨融电子科技有限公司 | Explosive-proof device having interlocking mechanism |
| CN208225796U (en) * | 2018-05-17 | 2018-12-11 | 山东凯成电器有限公司 | Mining explosion-proof type permanent magnetic vacuum feed switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243881A (en) * | 2018-10-31 | 2019-01-18 | 山西际安电气有限公司 | Isolated machine core for mining flameproof feed switch |
| CN109243881B (en) * | 2018-10-31 | 2023-08-04 | 山西际安电气有限公司 | Isolation type movement for mining flameproof feed switch |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108389755B (en) | 2023-10-03 |
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