CN109119304B - A kind of spiral arc-extinguishing mechanism of power circuit breaker - Google Patents
A kind of spiral arc-extinguishing mechanism of power circuit breaker Download PDFInfo
- Publication number
- CN109119304B CN109119304B CN201811080490.5A CN201811080490A CN109119304B CN 109119304 B CN109119304 B CN 109119304B CN 201811080490 A CN201811080490 A CN 201811080490A CN 109119304 B CN109119304 B CN 109119304B
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- Prior art keywords
- fixing axle
- gear
- bevel gear
- slot
- fixed plate
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
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Abstract
The invention belongs to breaker technical fields, more particularly to a kind of spiral arc-extinguishing mechanism of power circuit breaker, it includes fixing end, U-shaped trunnion, switch block, the first fixed plate, the first belt, the second belt pulley, the first belt pulley, first gear, third belt pulley, the second fixed plate, third fixed plate, bi-bevel gear, screw rod etc., and wherein U-shaped trunnion one end is mounted on third dead plate upper end face side；Switch block is mounted on U-shaped trunnion by straight pin；Driving gear is mounted on straight pin；First fixed plate end face successively opens the first T-slot and the second T-slot from top to bottom.The screw rod of movement can be while adapting to arc motion, electric arc is divided into many sections, the energy on electric arc at this time can be absorbed faster by screw rod, and the energy for the electric arc that breaker at this time is formed will be rapidly absorbed, so as to avoid the generation of unnecessary accident.
Description
Technical field
The invention belongs to breaker technical field more particularly to a kind of spiral arc-extinguishing mechanisms of power circuit breaker.
Background technique
Current existing power circuit breaker is that protection is played in a kind of short circuit played in electric power to circuit, overload, electric leakage
The switch of effect can play the role of cutting off circuit when short circuit, overload and electric leakage occur, and circuit is being connected or closed
The electric arc of high temperature high fever can be generated during conjunction between moving contact and static contact, if electric arc rapidly can not be exported and be put out
It goes out, it will the contact point between two contact of ablation, and biggish destruction is caused to the shell of power circuit breaker, it is often more important that
Electric arc can make circuit off delay, cause irremediable loss；Arc-extinguishing mechanism is extremely important for power circuit breaker
's.It is acted on to increase the extinguishing to the electric arc of sudden high currents, it is necessary for designing more structurally sound arc-extinguishing mechanism.
The spiral arc-extinguishing mechanism that the present invention designs a kind of power circuit breaker solves the problems, such as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of spiral arc-extinguishing mechanism of power circuit breaker,
It adopts the following technical solutions to realize.
A kind of spiral arc-extinguishing mechanism of power circuit breaker, it is characterised in that: it includes fixing end, U-shaped trunnion, switch
Block, the first fixed plate, the first belt, the second belt, the first belt pulley, first gear, third belt pulley, the second fixed plate,
Three fixed plates, bi-bevel gear, screw rod, first bevel gear, run-on tab, third hand tap gear, second bevel gear, the first fixing axle,
Second fixing axle, third fixing axle, the first helicla flute, the second helicla flute, driving gear, the 4th fixing axle, is returned at the 4th fixed plate
Position spring, limit plate, the 5th fixing axle, the first T-slot, the second T-slot, straight pin, the 6th fixing axle, the second T-shaped block, first
T-shaped block, the 7th fixing axle, the 4th belt pulley, second gear, the second belt pulley, third gear, the first unidirectional ring, second are unidirectionally
Ring, the 4th bevel gear, wherein U-shaped trunnion one end is mounted on third dead plate upper end face side；Switch block is installed by straight pin
On U-shaped trunnion；Driving gear is mounted on straight pin；First fixed plate end face successively open from top to bottom the first T-slot with
Second T-slot；First fixed plate lower end is mounted on third dead plate upper end face；7th fixing axle one end is equipped with the first T shape
Block；7th fixing axle is slidably installed on the first fixing plate by the first T-shaped block and the first T-slot；6th fixing axle
One end is equipped with the second T-shaped block；6th fixing axle is consolidated by the second T-shaped block and being slidably installed for the second T-slot first
On fixed board；Second gear is mounted in the 7th fixing axle, and second gear is engaged with driving gear；4th belt pulley is mounted on
In seven fixing axles；Third gear is mounted in the 6th fixing axle, and third gear is engaged with driving gear；The installation of second belt pulley
In the 6th fixing axle；Return spring is mounted in first T-slot and the second T-slot；Return spring one in first T-slot
End is mounted on the first T-slot end face, and the other end is mounted on the first T-shaped block end face；Return spring one end in second T-slot
It is mounted on the second T-slot end face, the other end is mounted on the second T-shaped block end face；Second fixed plate lower end surface is mounted on third
Dead plate upper end face is far from U-shaped trunnion side；First fixing axle is mounted in the second fixed plate；Second bevel gear is mounted on first
In fixing axle；4th fixing axle is mounted in the second fixed plate；Third belt pulley is mounted in the 4th fixing axle；Second belt peace
On third belt pulley and the 4th belt pulley；Third hand tap gear is mounted in the 4th fixing axle by the first unidirectional ring, and the
Third hand tap gear is engaged with second bevel gear；Second fixing axle is mounted in the second fixed plate；4th bevel gear is unidirectional by second
Ring is mounted in the second fixing axle, and the 4th bevel gear engages with second bevel gear, and the 4th bevel gear and third hand tap gear are in 90
Degree distribution；First gear is mounted on the second fixing axle far from the 4th bevel gear one end；It is opened on first pulley side periphery
There is external tooth；First belt pulley is mounted in third fixing axle, and tooth is nibbled with first gear over institute on the first belt pulley periphery
It closes；First belt is mounted on the first belt pulley and the second belt pulley；Bi-bevel gear both ends all have conical tooth；Bi-bevel gear end
T shape annular groove is provided on face；5th fixing axle one end is mounted on third fixed plate lower end surface；It is solid that limit plate one end is mounted on the 5th
On dead axle end face；Bi-bevel gear is fitted in the 5th fixing axle by T shape annular groove and limit plate, and bi-bevel gear and the
The engagement of two bevel gears；4th dead plate upper end face is mounted on third fixed plate lower end surface；First is provided on screw rod periphery
Helicla flute and the second helicla flute, the first helicla flute is identical as the direction of rotation of the second helicla flute, but the screw pitch of the first helicla flute
It is 2 times of the second helicla flute screw pitch；Screw rod is mounted in the 4th fixed plate；First bevel gear is mounted on screw rod, and the
One bevel gear engages with bi-bevel gear；Fixing end is installed on the securing means, and fixing end upper surface and switch block cooperate；Run-on tab
One end is mounted on fixing end lower end surface, and run-on tab and screw rod cooperate.
As the further improvement of this technology, pass through the first limit plectane between above-mentioned first T-shaped block and the 7th fixing axle
Connection；Pass through the second limit plectane connection between second T-shaped block and the 6th fixing axle.
As the further improvement of this technology, above-mentioned switch block is welded on straight pin periphery.
As the further improvement of this technology, above-mentioned driving gear is mounted on straight pin by key.
As the further improvement of this technology, above-mentioned return spring is compressed spring.
As the further improvement of this technology, solid lubrication oil is coated between above-mentioned first T-shaped block and the first T-slot.
Relative to traditional Circuit breaker technology, U-shaped trunnion of the present invention one end is mounted on third dead plate upper end face side
Effect is easy for installation straight pin, while moving convenient for switch block；Switch block is mounted on the effect on U-shaped trunnion by straight pin
It is to cooperate with fixing end upper surface, to have the function that breaker opens and closes；Driving gear, which is mounted on the effect on straight pin, is
Convenient for the movement on straight pin is transmitted in second gear or third gear；First fixed plate end face is successively opened from top to bottom
There is the first T-slot and the second T-slot is easy for the first T-shaped block of installation and the second T-shaped block；The installation of first fixed plate lower end
Effect on third dead plate upper end face is easy for fixing the 7th fixing axle and the 6th fixing axle；The installation of 7th fixing axle one end
Playing the role of the first T-shaped block is so that the first T-shaped block is slidably matched with the formation of the first T-slot, so that the 7th fixing axle can
To be slided along the first T-slot；7th fixing axle is fixed by the first T-shaped block and being slidably installed for the first T-slot first
Effect on plate is easy for installation second gear and the 4th belt pulley；6th fixing axle one end is equipped with the effect of the second T-shaped block
It is to be slidably matched with the formation of the second T-slot, so that the 6th fixing axle can be slided along the second T-slot；6th fixing axle is logical
Cross the second T-shaped block and the second T-slot the effect being slidably installed on the first fixing plate be easy for installation third gear with
Second belt pulley；Second gear is mounted in the 7th fixing axle, and the effect that second gear is engaged with driving gear is will to drive
Movement on gear is transmitted in the 7th fixing axle；The effect that 4th belt pulley is mounted in the 7th fixing axle is by the second skin
Band, so that the movement in the 7th fixing axle is transmitted on third belt pulley；Third gear is mounted in the 6th fixing axle, and the
The effect that three gears are engaged with driving gear is that the movement on gear will be driven to be transmitted in the 6th fixing axle；Second belt pulley peace
Effect in the 6th fixing axle is by the effect of the first belt, so that the movement in the 6th fixing axle is transmitted to first
On belt pulley；The effect that return spring is mounted in first T-slot and the second T-slot is easy for the first T-shaped block and the 2nd T shape
Block is restored on original position；Second fixed plate lower end surface is mounted on third dead plate upper end face far from U-shaped trunnion side
Effect is easy for fixing the first fixing axle, the 4th fixing axle, the second fixing axle, third fixing axle；First fixing axle is mounted on
Effect in two fixed plates is easy for fixed second bevel gear；The effect that second bevel gear is mounted in the first fixing axle is easy for
Movement in third hand tap gear or the 4th bevel gear is transmitted in bi-bevel gear；4th fixing axle is mounted on the second fixed plate
On effect be easy for fixed third belt pulley and third hand tap gear；The effect that third belt pulley is mounted in the 4th fixing axle is
The movement of the 4th fixing axle is driven convenient for the second belt；Third hand tap gear is mounted in the 4th fixing axle by the first unidirectional ring, and
The effect that third hand tap gear is engaged with second bevel gear, which is easy for third hand tap gear, to drive second bevel gear to move, but the
Two bevel gears will not drive third hand tap gear to move；The effect that second fixing axle is mounted in the second fixed plate is easy for fixing
Four bevel gears and first gear；4th bevel gear is mounted in the second fixing axle by the second unidirectional ring, and the 4th bevel gear with
Second bevel gear engagement, the 4th bevel gear and third hand tap gear prevent third hand tap gear from boring tooth with the 4th in the effect of 90 degree of distributions
It is interfered in wheel motion process, while when the 4th bevel gear can drive second bevel gear to move, second bevel gear will not be driven
Dynamic 4th bevel gear movement, to achieve the purpose that unidirectional drive；First gear is mounted on the second fixing axle far from the 4th cone tooth
Effect on wheel one end is cooperated with the external tooth opened on the first belt pulley periphery, so that the movement on the first belt pulley be passed
It is delivered in the second fixing axle；First belt pulley is mounted in third fixing axle, and on the first belt pulley periphery institute over tooth with
The effect of first gear engagement, which is easy for the first belt, can drive third fixing axle to move；Bi-bevel gear both ends all have taper
The effect of tooth is easy for second bevel gear can drive first bevel gear movement by bi-bevel gear；Bi-bevel gear is provided on end face
The effect of T shape annular groove is cooperated with the limit plate being mounted in the 5th fixing axle, to achieve the purpose that install bi-bevel gear；The
The effect that five fixing axle one end are mounted on third fixed plate lower end surface is easy for fixed limit plate；Limit plate one end is mounted on
Effect in five fixed axial ends is to will not influence bi-bevel gear while limiting bi-bevel gear movement to transport around own axes
Dynamic purpose；Bi-bevel gear is fitted in the 5th fixing axle by T shape annular groove and limit plate, and bi-bevel gear and second
The effect of bevel gear engagement is easy for for the movement in second bevel gear being transmitted in first bevel gear；4th dead plate upper end face
The effect being mounted on third fixed plate lower end surface is easy for fixed screw rod；Be provided on screw rod periphery the first helicla flute with
Second helicla flute, the first helicla flute is identical as the direction of rotation of the second helicla flute, but the screw pitch of the first helicla flute is the second spiral shell
2 times of effect of spin slot screw pitch is the first helicla flute during adapting to arc motion, and electric arc can be divided by screw rod again
Many sections, so that electric arc can be eliminated preferably by screw rod；First bevel gear is mounted on screw rod, and the first cone tooth
The effect engaged with bi-bevel gear is taken turns to be easy for for the movement in bi-bevel gear being transmitted on screw rod；Fixing end is mounted on fixation
On device, the effect of fixing end upper surface and switch block cooperation is cooperated with switch block, to achieve the purpose that breaker opens and closes；
Run-on tab one end is mounted on fixing end lower end surface, and the effect of run-on tab and screw rod cooperation is easy for opening and closing breaker
The electric arc formed in journey guides at screw rod；Pass through the first limit plectane connection between first T-shaped block and the 7th fixing axle
Effect is that, when the 7th fixing axle along the first T-slot during moving, the 7th fixing axle can be done again around own axes revolves
Transhipment is dynamic；It is by the effect of the second limit plectane connection between second T-shaped block and the 6th fixing axle, when the 6th fixing axle is on edge
During second T-slot moves, the 6th fixing axle can make rotating motion again around own axes；First T-shaped block and the first T
The effect that solid lubrication oil is coated between shape slot is easy for the movement of the first T-shaped block.
In use, when breaker is during closing, switch block will surround straight pin under the action of people
Movement, the switch block of movement will will drive straight pin movement, and straight pin will will drive the movement of sliding tooth wheel, and driving gear will band
Dynamic second gear is moved along the first T-slot, and second gear at this time will not be with driving gear engagement, and second gear at this time will
It can pump under the action of driving gear along the first T-slot；Driving gear at this time will be engaged with third gear,
The driving gear of movement will drive third gear movement, and third gear will drive the 6th fixing axle to move, the 6th fixing axle
The second pulley movements will be driven, the second belt pulley of movement will drive the first belt movement, and the first belt will drive
Second pulley movements, the second belt pulley will drive first gear to move, and first gear will drive the second fixing axle to move,
Second fixing axle will drive the second unidirectional ring movement, and the second unidirectional ring will drive the 4th bevel gear to move, the 4th bevel gear
Second bevel gear will be driven to move；Second bevel gear will drive bi-bevel gear to move, while the second bevel gear moved will
Third hand tap gear can will not be driven to move under the action of the first unidirectional ring；Bi-bevel gear will drive first bevel gear to move；
First bevel gear will drive screw rod to move；Kinematic screw bar will incite somebody to action under the action of the first helicla flute and the second helicla flute
Breaker closes the electric arc formed in a flash, is divided into many sections, while the screw rod rotated will adapt to the movement of electric arc, from
And the first helicla flute is allowed to adapt to the movement of electric arc at any time, the energy of electric arc is all absorbed by screw rod；When
When breaker is in opening procedure, switch block will be moved under the action of people around straight pin, and the switch block of movement will band
Dynamic straight pin movement, straight pin will will drive the movement of sliding tooth wheel, and driving gear will drive third gear to transport along the second T-slot
It is dynamic, third gear at this time will not with driving gear engagement, third gear at this time will under the action of driving gear edge
Second T-slot pumps；Driving gear at this time will be engaged with second gear, and the driving gear of movement will drive
Second gear movement, second gear will drive the 7th fixing axle to move, and the 7th fixing axle will drive the 4th pulley movements,
4th belt pulley of movement will drive the second belt movement, and the second belt will drive third pulley movements, third belt
Wheel will drive the 4th fixing axle to move, and the 4th fixing axle will drive the first unidirectional ring movement, and the first unidirectional ring will drive
Third hand tap gear movement, third hand tap gear will drive second bevel gear to move；Second bevel gear will drive bi-bevel gear to transport
It is dynamic, while the second bevel gear moved will will not drive the 4th bevel gear to move under the action of the second unidirectional ring；Bipyramid tooth
Wheel will drive first bevel gear to move；First bevel gear will drive screw rod to move；Kinematic screw bar will be in the first spiral shell
Breaker is opened to the electric arc formed in a flash under the action of spin slot and the second helicla flute, is divided into many sections, while rotating
Screw rod will adapt to the movement of electric arc, so that the first helicla flute can adapt to the movement of electric arc at any time, so that electric arc
Energy can be absorbed by screw rod.
Detailed description of the invention
Fig. 1 is global facility distribution schematic diagram.
Fig. 2 is U-shaped trunnion mounting structure schematic diagram.
Fig. 3 is the second fixed plate mounting structure schematic diagram.
Fig. 4 is the first fixed plate structure schematic diagram.
Fig. 5 is switch block mounting structure schematic diagram.
Fig. 6 is third hand tap gear mounting structure schematic diagram.
Fig. 7 is spiral rod structure (one) schematic diagram.
Fig. 8 is spiral rod structure (two) schematic diagram.
Fig. 9 is the first limit plectane mounting structure schematic diagram.
Figure 10 is the second limit plectane mounting structure schematic diagram.
Figure label title: 1, fixing end；2, U-shaped trunnion；3, switch block；4, the first fixed plate；5, the first belt；6,
Two belts；7, the first belt pulley；8, first gear；9, third belt pulley；10, the second fixed plate；11, third fixed plate；12, double
Bevel gear；13, screw rod；14, first bevel gear；15, run-on tab；16, third hand tap gear；17, second bevel gear；18, first
Fixing axle；19, the second fixing axle；20, the 4th fixed plate；21, third fixing axle；22, the first helicla flute；23, the second helicla flute；
24, gear is driven；25, the 4th fixing axle；26, return spring；27, limit plate；28, the 5th fixing axle；29, the first T-slot；
30, the second T-slot；31, straight pin；32, the 6th fixing axle；33, the second T-shaped block；34, the first T-shaped block；35, the 7th fixing axle；
36, the 4th belt pulley；37, second gear；38, the second belt pulley；39, third gear；40, the first unidirectional ring；41, second is unidirectional
Ring；42, the 4th bevel gear；43, the first limit plectane；44, the second limit plectane.
Specific embodiment
As shown in Figure 1, 2, 3, it includes fixing end 1, U-shaped trunnion 2, switch block 3, the first fixed plate 4, the first belt 5,
Two belts 6, the first belt pulley 7, first gear 8, third belt pulley 9, the second fixed plate 10, third fixed plate 11, bi-bevel gear
12, screw rod 13, first bevel gear 14, run-on tab 15, third hand tap gear 16, second bevel gear 17, the first fixing axle 18, second
Fixing axle 19, the 4th fixed plate 20, third fixing axle 21, the first helicla flute 22, the second helicla flute 23, driving gear the 24, the 4th
Fixing axle 25, return spring 26, limit plate 27, the 5th fixing axle 28, the first T-slot 29, the second T-slot 30, straight pin 31,
Six fixing axles 32, the second T-shaped block 33, the first T-shaped block 34, the 7th fixing axle 35, the 4th belt pulley 36, second gear 37, second
Belt pulley 38, third gear 39, the first unidirectional ring 40, the second unidirectional ring 41, the 4th bevel gear 42, as shown in figure 3, wherein U-shaped
2 one end of trunnion is mounted on 11 upper surface side of third fixed plate；As shown in figure 5, switch block 3 is mounted on U-shaped by straight pin 31
On trunnion 2；As shown in figure 5, driving gear 24 is mounted on straight pin 31；As shown in figure 4,4 end face of the first fixed plate on to
Under successively open the first T-slot 29 and the second T-slot 30；As shown in Figure 1, 2, 3, it is solid to be mounted on third for 4 lower end of the first fixed plate
On 11 upper surface of fixed board；As shown in figure 5,35 one end of the 7th fixing axle is equipped with the first T-shaped block 34；As shown in Figure 1, 2, 3, the 7th
Fixing axle 35 is slidably installed in the first fixed plate 4 by the first T-shaped block 34 and the first T-slot 29；As shown in figure 5,
6th fixing axle, 32 one end is equipped with the second T-shaped block 33；As shown in Figure 1, 2, 3, the 6th fixing axle 32 by the second T-shaped block 33 with
Second T-slot 30 is slidably installed in the first fixed plate 4；As shown in figure 5, second gear 37 is mounted on the 7th fixing axle
On 35, and second gear 37 is engaged with driving gear 24；As shown in figure 5, the 4th belt pulley 36 is mounted in the 7th fixing axle 35；
Third gear 39 is mounted in the 6th fixing axle 32, and third gear 39 is engaged with driving gear 24；As shown in figure 5, the second skin
Belt wheel 38 is mounted in the 6th fixing axle 32；As shown in figure 3, being mounted on return bullet in the first T-slot 29 and the second T-slot 30
Spring 26；26 one end of return spring in first T-slot 29 is mounted on 29 end face of the first T-slot, and the other end is mounted on the first T shape
On 34 end face of block；As shown in figure 3,26 one end of return spring in the second T-slot 30 is mounted on 30 end face of the second T-slot, separately
One end is mounted on 33 end face of the second T-shaped block；Second fixed plate, 10 lower end surface is mounted on 11 upper surface of third fixed plate far from U-shaped
2 side of trunnion；First fixing axle 18 is mounted in the second fixed plate 10；Second bevel gear 17 is mounted in the first fixing axle 18；
As shown in Figure 1, 2, 3, the 4th fixing axle 25 is mounted in the second fixed plate 10；As shown in fig. 6, third belt pulley 9 is mounted on
In four fixing axles 25；As shown in fig. 6, the second belt 6 is mounted on third belt pulley 9 and the 4th belt pulley 36；As shown in fig. 6,
Third hand tap gear 16 is mounted in the 4th fixing axle 25 by the first unidirectional ring 40, and third hand tap gear 16 and second bevel gear 17
Engagement；As shown in Figure 1, 2, 3, the second fixing axle 19 is mounted in the second fixed plate 10；As shown in fig. 6, the 4th bevel gear 42 is logical
It crosses the second unidirectional ring 41 to be mounted in the second fixing axle 19, and the 4th bevel gear 42 engages with second bevel gear 17, such as Fig. 6 institute
Show, the 4th bevel gear 42 is with third hand tap gear 16 in 90 degree of distributions；As shown in fig. 6, first gear 8 is mounted on the second fixing axle 19
Far from 42 one end of the 4th bevel gear；External tooth is provided on first belt pulley, 7 side periphery；As shown in fig. 6, the first belt pulley 7
It is mounted in third fixing axle 21, and tooth is engaged with first gear 8 over institute on 7 periphery of the first belt pulley；As shown in fig. 6,
First belt 5 is mounted on the first belt pulley 7 and the second belt pulley 38；12 both ends of bi-bevel gear all have conical tooth；Bipyramid tooth
It takes turns and is provided with T shape annular groove on 12 end faces；5th fixing axle, 28 one end is mounted on 11 lower end surface of third fixed plate；27 one end of limit plate
It is mounted on 28 end face of the 5th fixing axle；As shown in figure 3, being coupled by T shape annular groove and limit plate 27 of bi-bevel gear 12
In the 5th fixing axle 28, and bi-bevel gear 12 is engaged with second bevel gear 17；As shown in Figure 1, 2, 3, in the 4th fixed plate 20
End face is mounted on 11 lower end surface of third fixed plate；As shown in Figure 7,8, be provided on 13 periphery of screw rod the first helicla flute 22 with
Second helicla flute 23, the first helicla flute 22 is identical as the direction of rotation of the second helicla flute 23, but the screw pitch of the first helicla flute 22
It is 2 times of 23 screw pitch of the second helicla flute；As shown in Figure 1, 2, 3, screw rod 13 is mounted in the 4th fixed plate 20；As shown in Figure 1,
First bevel gear 14 is mounted on screw rod 13, and first bevel gear 14 is engaged with bi-bevel gear 12；Fixing end 1 is mounted on fixation
On device, as shown in Figure 1, 2, 3,1 upper surface of fixing end and switch block 3 cooperate；As shown in Figure 1, 2, 3,15 one end of run-on tab is pacified
On 1 lower end surface of fixing end, and run-on tab 15 and screw rod 13 cooperate.
As shown in Figures 9 and 10, it is connected between above-mentioned first T-shaped block 34 and the 7th fixing axle 35 by the first limit plectane 43；
It is connected between second T-shaped block 33 and the 6th fixing axle 32 by the second limit plectane 44.
Above-mentioned switch block 3 is welded on 31 periphery of straight pin.
Above-mentioned driving gear 24 is mounted on straight pin 31 by key.
Above-mentioned return spring 26 is compressed spring.
Solid lubrication oil is coated between above-mentioned first T-shaped block 34 and the first T-slot 29.
In summary:
The effect that 2 one end of U-shaped trunnion of the present invention is mounted on 11 upper surface side of third fixed plate is easy for installation straight pin
31, while being moved convenient for switch block 3；The effect that switch block 3 is mounted on U-shaped trunnion 2 by straight pin 31 be in fixing end 1
End face cooperation, to have the function that breaker opens and closes；The effect that driving gear 24 is mounted on straight pin 31 is easy for justify
Movement on pin 31 is transmitted on second gear 37 or third gear 39；It successively opens from top to bottom first fixed plate, 4 end face
There is the first T-slot 29 and the second T-slot 30 is easy for the first T-shaped block 34 of installation and the second T-shaped block 33；First fixed plate
The effect that 4 lower ends are mounted on 11 upper surface of third fixed plate is easy for fixing the 7th fixing axle 35 and the 6th fixing axle 32；The
The effect that seven fixing axles, 35 one end is equipped with the first T-shaped block 34 is so that the first T-shaped block 34 is matched with the formation sliding of the first T-slot 29
It closes, so that the 7th fixing axle 35 can be slided along the first T-slot 29；7th fixing axle 35 passes through the first T-shaped block 34 and the
The effect of one T-slot 29 being slidably installed in the first fixed plate 4 is easy for installation second gear 37 and the 4th belt pulley
36；The effect that 6th fixing axle, 32 one end is equipped with the second T-shaped block 33 is slidably matched with the formation of the second T-slot 30, to make
Obtaining the 6th fixing axle 32 can slide along the second T-slot 30；6th fixing axle 32 passes through the second T-shaped block 33 and the second T-slot 30
The effect being slidably installed in the first fixed plate 4 be easy for installation third gear 39 and the second belt pulley 38；Second tooth
Wheel 37 is mounted in the 7th fixing axle 35, and the effect that second gear 37 is engaged with driving gear 24 will drive on gear 24
Movement is transmitted in the 7th fixing axle 35；The effect that 4th belt pulley 36 is mounted in the 7th fixing axle 35 is by the second belt
6, so that the movement in the 7th fixing axle 35 is transmitted on third belt pulley 9；Third gear 39 is mounted on the 6th fixing axle 32
On, and the effect that third gear 39 is engaged with driving gear 24 is that the movement on gear 24 will be driven to be transmitted to the 6th fixing axle 32
On；The effect that second belt pulley 38 is mounted in the 6th fixing axle 32 is by the effect of the first belt 5, thus fixed by the 6th
Movement on axis 32 is transmitted on the first belt pulley 7；Return spring 26 is mounted in first T-slot 29 and the second T-slot 30
Effect be easy for the first T-shaped block 34 and the second T-shaped block 33 is restored on original position；The installation of second fixed plate, 10 lower end surface
It is easy for fixing the first fixing axle 18, the 4th fixing axle far from the effect of 2 side of U-shaped trunnion in 11 upper surface of third fixed plate
25, the second fixing axle 19, third fixing axle 21；The effect that first fixing axle 18 is mounted in the second fixed plate 10 is easy for fixing
Second bevel gear 17；The effect that second bevel gear 17 is mounted in the first fixing axle 18 is easy for third hand tap gear 16 or
Movement on four bevel gears 42 is transmitted in bi-bevel gear 12；The effect that 4th fixing axle 25 is mounted in the second fixed plate 10 is
Convenient for fixed third belt pulley 9 and third hand tap gear 16；The effect that third belt pulley 9 is mounted in the 4th fixing axle 25 is easy for
Second belt 6 drives the movement of the 4th fixing axle 25；Third hand tap gear 16 is mounted on the 4th fixing axle 25 by the first unidirectional ring 40
On, and the effect engaged with second bevel gear 17 of third hand tap gear 16 is easy for third hand tap gear 16 and can drive second bevel gear
17 movements, but second bevel gear 17 will not drive third hand tap gear 16 to move；Second fixing axle 19 is mounted on the second fixed plate
Effect on 10 is easy for fixing the 4th bevel gear 42 and first gear 8；4th bevel gear 42 is installed by the second unidirectional ring 41
In the second fixing axle 19, and the 4th bevel gear 42 engages with second bevel gear 17, the 4th bevel gear 42 and third hand tap gear 16
The effect being distributed in 90 degree prevents from interfering in third hand tap gear 16 and 42 motion process of the 4th bevel gear, while when the 4th cone
Gear 42 can drive second bevel gear 17 to move, and second bevel gear 17 will not drive the 4th bevel gear 42 to move, to reach
The purpose of unidirectional drive；First gear 8 is mounted on the second fixing axle 19 far from the effect on 42 one end of the 4th bevel gear
The external tooth cooperation opened on one belt pulley, 7 periphery, so that the movement on the first belt pulley 7 is transmitted to the second fixing axle 19
On；First belt pulley 7 is mounted in third fixing axle 21, and tooth is nibbled with first gear 8 over institute on 7 periphery of the first belt pulley
The effect of conjunction, which is easy for the first belt 5, can drive third fixing axle 21 to move；12 both ends of bi-bevel gear all have conical tooth
Effect is easy for second bevel gear 17 can drive first bevel gear 14 to move by bi-bevel gear 12；On 12 end face of bi-bevel gear
Being provided with the effect of T shape annular groove is cooperated with the limit plate 27 being mounted in the 5th fixing axle 28, to reach installation bi-bevel gear
12 purpose；The effect that 5th fixing axle, 28 one end is mounted on 11 lower end surface of third fixed plate is easy for fixed limit plate 27；
The effect that 27 one end of limit plate is mounted on 28 end face of the 5th fixing axle is will not shadow while limiting bi-bevel gear 12 and moving
Ring the purpose that bi-bevel gear 12 surrounds own axes movement；Bi-bevel gear 12 is coupled by T shape annular groove and limit plate 27
In the 5th fixing axle 28, and be easy for will be in second bevel gear 17 for the effect engaged with second bevel gear 17 of bi-bevel gear 12
Movement is transmitted in first bevel gear 14；The effect that 4th fixed plate, 20 upper surface is mounted on 11 lower end surface of third fixed plate is
Convenient for fixed screw rod 13；Be provided with the first helicla flute 22 and the second helicla flute 23 on 13 periphery of screw rod, the first helicla flute with
The direction of rotation of second helicla flute 23 is identical, but the screw pitch of the first helicla flute 22 is 2 times of work of 23 screw pitch of the second helicla flute
With being the first helicla flute 22 during adapting to arc motion, electric arc can be divided into many sections again by screw rod 13, to make
Obtaining electric arc can preferably be eliminated by screw rod 13；First bevel gear 14 is mounted on screw rod 13, and first bevel gear 14 with
The effect that bi-bevel gear 12 engages is easy for for the movement in bi-bevel gear 12 being transmitted on screw rod 13；Fixing end 1 is mounted on
On fixed device, the effect of 1 upper surface of fixing end and the cooperation of switch block 3 is cooperated with switch block 3, to reach breaker folding
Purpose；15 one end of run-on tab is mounted on 1 lower end surface of fixing end, and the effect that run-on tab 15 cooperates with screw rod 13 is easy for
By the electric arc formed in breaker moving process guidance at screw rod 13；Lead between first T-shaped block 34 and the 7th fixing axle 35
Crossing the effect that the first limit plectane 43 connects is that, when the 7th fixing axle 35 along the first T-slot 29 during moving, the 7th is solid
Dead axle 35 can make rotating motion again around own axes；Pass through the second limit between second T-shaped block 33 and the 6th fixing axle 32
The effect that plectane 44 connects is that, when the 6th fixing axle 32 along the second T-slot 30 during moving, the 6th fixing axle 32 again can
To make rotating motion around own axes；The effect that solid lubrication oil is coated between first T-shaped block 34 and the first T-slot 29 is just
It is moved in the first T-shaped block 34.
Specific embodiment is, when breaker is during closing, switch block 3 will surround cylinder under the action of people
Pin 31 moves, and the switch block 3 of movement will will drive straight pin 31 and move, and straight pin 31 will will drive sliding tooth wheel 24 and move, and drives
Moving gear 24 will will drive second gear 37 and move along the first T-slot 29, and second gear 37 at this time will not be with driving gear
24 engagements, second gear 37 at this time will pump under the action of driving gear 24 along the first T-slot 29；At this time
Driving gear 24 will be engaged with third gear 39, the driving gear 24 of movement will drive third gear 39 move, third
Gear 39 will drive the 6th fixing axle 32 to move, and the 6th fixing axle 32 will drive the second belt pulley 38 to move, and the of movement
Two belt pulleys 38 will drive the first belt 5 to move, and the first belt 5 will drive the second belt pulley 38 to move, the second belt pulley
38 will drive first gear 8 to move, and first gear 8 will drive the second fixing axle 19 to move, and the second fixing axle 19 will drive
Dynamic second unidirectional ring 41 moves, and the second unidirectional ring 41 will drive the 4th bevel gear 42 to move, and the 4th bevel gear 42 will drive
Second bevel gear 17 moves；Second bevel gear 17 will drive bi-bevel gear 12 to move, while the second bevel gear 17 moved will
Third hand tap gear 16 can will not be driven to move under the action of the first unidirectional ring 40；Bi-bevel gear 12 will drive first bevel gear
14 movements；First bevel gear 14 will drive screw rod 13 to move；Kinematic screw bar 13 will be in the first helicla flute 22 and second
Breaker is closed to the electric arc formed in a flash under the action of helicla flute 23, is divided into many sections, while the screw rod 13 rotated
The movement of electric arc will be adapted to, so that the first helicla flute 22 can adapt to the movement of electric arc at any time, so that the energy of electric arc
It can all be absorbed by screw rod 13；When breaker is in opening procedure, switch block 3 will surround cylinder under the action of people
Pin 31 moves, and the switch block 3 of movement will will drive straight pin 31 and move, and straight pin 31 will will drive sliding tooth wheel 24 and move, and drives
Moving gear 24 will will drive third gear 39 and move along the second T-slot 30, and third gear 39 at this time will not be with driving gear
24 engagements, third gear 39 at this time will pump under the action of driving gear 24 along the second T-slot 30；At this time
Driving gear 24 will be engaged with second gear 37, the driving gear 24 of movement will drive second gear 37 move, second
Gear 37 will drive the 7th fixing axle 35 to move, and the 7th fixing axle 35 will drive the 4th belt pulley 36 to move, and the of movement
Four belt pulleys 36 will drive the second belt 6 to move, and the second belt 6 will drive third belt pulley 9 to move, third belt pulley 9
The 4th fixing axle 25 will be driven to move, the 4th fixing axle 25 will drive the first unidirectional ring 40 to move, and the first unidirectional ring 40 will
Third hand tap gear 16 can be driven to move, third hand tap gear 16 will drive second bevel gear 17 to move；Second bevel gear 17 will
The second bevel gear 17 for driving bi-bevel gear 12 to move, while moving will will not drive the under the action of the second unidirectional ring 41
The movement of four bevel gears 42；Bi-bevel gear 12 will drive first bevel gear 14 to move；First bevel gear 14 will drive screw rod
13 movements；Kinematic screw bar 13 will open breaker in a flash under the action of the first helicla flute 22 and the second helicla flute 23
The electric arc of formation is divided into many sections, while the screw rod 13 rotated will adapt to the movement of electric arc, so that the first spiral
Slot 22 can adapt to the movement of electric arc at any time, and the energy of electric arc is absorbed by screw rod 13.
Claims (6)
1. a kind of spiral arc-extinguishing mechanism of power circuit breaker, it is characterised in that: it include fixing end, U-shaped trunnion, switch block,
First fixed plate, the first belt, the second belt, the first belt pulley, first gear, third belt pulley, the second fixed plate, third are solid
Fixed board, bi-bevel gear, screw rod, first bevel gear, run-on tab, third hand tap gear, second bevel gear, the first fixing axle, second
Fixing axle, the 4th fixed plate, third fixing axle, the first helicla flute, the second helicla flute, driving gear, the 4th fixing axle, return bullet
Spring, limit plate, the 5th fixing axle, the first T-slot, the second T-slot, straight pin, the 6th fixing axle, the second T-shaped block, the first T shape
Block, the 7th fixing axle, the 4th belt pulley, second gear, the second belt pulley, third gear, the first unidirectional ring, the second unidirectional ring,
4th bevel gear, wherein U-shaped trunnion one end is mounted on third dead plate upper end face side；Switch block is mounted on U by straight pin
On shape trunnion；Driving gear is mounted on straight pin；First fixed plate end face successively opens the first T-slot and second from top to bottom
T-slot；First fixed plate lower end is mounted on third dead plate upper end face；7th fixing axle one end is equipped with the first T-shaped block；The
Seven fixing axles are slidably installed on the first fixing plate by the first T-shaped block and the first T-slot；6th fixing axle one end peace
Equipped with the second T-shaped block；6th fixing axle is slidably installed on the first fixing plate by the second T-shaped block and the second T-slot；
Second gear is mounted in the 7th fixing axle, and second gear is engaged with driving gear；It is fixed that 4th belt pulley is mounted on the 7th
On axis；Third gear is mounted in the 6th fixing axle, and third gear is engaged with driving gear；Second belt pulley is mounted on the 6th
In fixing axle；Return spring is mounted in first T-slot and the second T-slot；Return spring one end installation in first T-slot
On the first T-slot end face, the other end is mounted on the first T-shaped block end face；Return spring one end in second T-slot is mounted on
On second T-slot end face, the other end is mounted on the second T-shaped block end face；Second fixed plate lower end surface is mounted on third fixed plate
Upper surface is far from U-shaped trunnion side；First fixing axle is mounted in the second fixed plate；Second bevel gear is mounted on the first fixing axle
On；4th fixing axle is mounted in the second fixed plate；Third belt pulley is mounted in the 4th fixing axle；Second belt is mounted on
On three belt pulleys and the 4th belt pulley；Third hand tap gear is mounted in the 4th fixing axle by the first unidirectional ring, and triconodont
Wheel is engaged with second bevel gear；Second fixing axle is mounted in the second fixed plate；4th bevel gear passes through the second unidirectional ring installation
In the second fixing axle, and the 4th bevel gear engages with second bevel gear, and the 4th bevel gear and third hand tap gear are in 90 degree of distributions；
First gear is mounted on the second fixing axle far from the 4th bevel gear one end；External tooth is provided on first pulley side periphery；
First belt pulley is mounted in third fixing axle, and tooth is engaged with first gear over institute on the first belt pulley periphery；First
Belt is mounted on the first belt pulley and the second belt pulley；Bi-bevel gear both ends all have conical tooth；Bi-bevel gear is opened on end face
There is T shape annular groove；5th fixing axle one end is mounted on third fixed plate lower end surface；Limit plate one end is mounted on the 5th fixed shaft end
On face；Bi-bevel gear is fitted in the 5th fixing axle by T shape annular groove and limit plate, and bi-bevel gear and the second cone tooth
Wheel engagement；4th dead plate upper end face is mounted on third fixed plate lower end surface；The first helicla flute is provided on screw rod periphery
With the second helicla flute, the first helicla flute is identical as the direction of rotation of the second helicla flute, but the screw pitch of the first helicla flute is second
2 times of helicla flute screw pitch；Screw rod is mounted in the 4th fixed plate；First bevel gear is mounted on screw rod, and the first cone tooth
Wheel is engaged with bi-bevel gear；Fixing end is installed on the securing means, and fixing end upper surface and switch block cooperate；Run-on tab one end peace
On fixing end lower end surface, and run-on tab and screw rod cooperate.
2. a kind of spiral arc-extinguishing mechanism of power circuit breaker according to claim 1, it is characterised in that: above-mentioned first T
Pass through the first limit plectane connection between shape block and the 7th fixing axle；Pass through the second limit between second T-shaped block and the 6th fixing axle
The connection of circle of position plate.
3. a kind of spiral arc-extinguishing mechanism of power circuit breaker according to claim 1, it is characterised in that: above-mentioned switch block
It is welded on straight pin periphery.
4. a kind of spiral arc-extinguishing mechanism of power circuit breaker according to claim 1, it is characterised in that: above-mentioned sliding tooth
Wheel is mounted on straight pin by key.
5. a kind of spiral arc-extinguishing mechanism of power circuit breaker according to claim 1, it is characterised in that: above-mentioned return bullet
Spring is compressed spring.
6. a kind of spiral arc-extinguishing mechanism of power circuit breaker according to claim 1, it is characterised in that: above-mentioned first T
Solid lubrication oil is coated between shape block and the first T-slot.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017113837770 | 2017-12-20 | ||
| CN201711383777.0A CN108122720A (en) | 2017-12-20 | 2017-12-20 | A kind of spiral arc-extinguishing mechanism of power circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109119304A CN109119304A (en) | 2019-01-01 |
| CN109119304B true CN109119304B (en) | 2019-09-03 |
Family
ID=62229578
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711383777.0A Pending CN108122720A (en) | 2017-12-20 | 2017-12-20 | A kind of spiral arc-extinguishing mechanism of power circuit breaker |
| CN201811080490.5A Expired - Fee Related CN109119304B (en) | 2017-12-20 | 2018-09-17 | A kind of spiral arc-extinguishing mechanism of power circuit breaker |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711383777.0A Pending CN108122720A (en) | 2017-12-20 | 2017-12-20 | A kind of spiral arc-extinguishing mechanism of power circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108122720A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000340076A (en) * | 1999-05-24 | 2000-12-08 | Mitsubishi Electric Corp | Electrode connection terminal and breaker provided with it |
| CN105990067A (en) * | 2015-02-10 | 2016-10-05 | 北京思威驰电力技术有限公司 | Novel vacuum gap arc extinguishing chamber |
| CN106531585A (en) * | 2016-11-30 | 2017-03-22 | 金平娣 | Rotary arc extinguishing mechanism of power circuit breaker |
| CN206179813U (en) * | 2016-11-28 | 2017-05-17 | 浙江天正电气股份有限公司 | A one -way operating device and circuit breaker for circuit breaker |
| CN106783445A (en) * | 2016-12-12 | 2017-05-31 | 金平娣 | A kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker |
-
2017
- 2017-12-20 CN CN201711383777.0A patent/CN108122720A/en active Pending
-
2018
- 2018-09-17 CN CN201811080490.5A patent/CN109119304B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000340076A (en) * | 1999-05-24 | 2000-12-08 | Mitsubishi Electric Corp | Electrode connection terminal and breaker provided with it |
| CN105990067A (en) * | 2015-02-10 | 2016-10-05 | 北京思威驰电力技术有限公司 | Novel vacuum gap arc extinguishing chamber |
| CN206179813U (en) * | 2016-11-28 | 2017-05-17 | 浙江天正电气股份有限公司 | A one -way operating device and circuit breaker for circuit breaker |
| CN106531585A (en) * | 2016-11-30 | 2017-03-22 | 金平娣 | Rotary arc extinguishing mechanism of power circuit breaker |
| CN106783445A (en) * | 2016-12-12 | 2017-05-31 | 金平娣 | A kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108122720A (en) | 2018-06-05 |
| CN109119304A (en) | 2019-01-01 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190812 Address after: 314000 Zhengyuan Road Miaoxia Bridge in Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: Jiaxing Jiakong Electric Equipment Manufacturing Co., Ltd. Address before: 518000 Guangzhou City Luohu District Guiyuan Street Baoan South Road Metropolitan Park B Building Fifth Floor B District B14 Applicant before: Shenzhen Xin ban Technology Co., Ltd. |
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Granted publication date: 20190903 Termination date: 20200917 |