CN109616387A - A kind of attachment device of one or two fusion killer switch main shafts and mechanism main shaft - Google Patents
A kind of attachment device of one or two fusion killer switch main shafts and mechanism main shaft Download PDFInfo
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- CN109616387A CN109616387A CN201910113091.2A CN201910113091A CN109616387A CN 109616387 A CN109616387 A CN 109616387A CN 201910113091 A CN201910113091 A CN 201910113091A CN 109616387 A CN109616387 A CN 109616387A
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- main shaft
- connection end
- mechanism main
- switch
- fusion
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- 230000007246 mechanism Effects 0.000 title claims abstract description 73
- 230000004927 fusion Effects 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000003607 modifier Substances 0.000 claims description 4
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses the attachment devices of a kind of one or two fusion killer switch main shafts and mechanism main shaft, including switch spindle, mechanism main shaft and connecting lever；Switch spindle is connect by the first connection end with connecting lever, and mechanism main shaft is connect by second connection end head with connecting lever, and the shape of second connection end head, inclined angle are identical as the first connection end；The middle part of connecting lever is equipped with connecting hole, the sum of the length of connecting hole and the length of the first connection end and second connection end head are quite, the shape of connecting hole is interior hexagon, and interior hexagonal top is equipped with the boss of one fixed width and gap, and the centre of boss is equipped with bolt hole.Switch spindle is designed as concentric by the present invention with mechanism main shaft and connecting lever, and mechanism main shaft directly drives switch spindle on/off switch, and structure is simple, transmission efficiency is high, the operating work that mechanism needs to export is small, and breaker on/off switch is reliable, and mechanical performance is greatly improved with the service life.
Description
Technical field
The invention belongs to technical field of electric equipment, and in particular to one or two fusion killer switch main shafts of one kind and mechanism
The attachment device of main shaft.
Background technique
One or two fusion breakers are the switches of a kind of load for cut-offfing, closing electric system, overload, short circuit current
Equipment.Cut-offfing, closing for breaker is to drive the on/off switch of switch spindle to realize by the on/off switch of mechanism.Mechanism with open
The connection for closing main shaft has been largely fixed the reliability of breaker on/off switch and the transmission efficiency of mechanism itself, also indirectly
Determine mechanical performance and the service life of breaker.
In the prior art, not on same axis, switch spindle connection end is necessary for switch spindle and mechanism main shaft
It is concordant with mechanism main shaft connection end holding, then it is attached by connecting lever.In this connection type, switch spindle and machine
Before the connection of structure main shaft, needs the excess of stroke of switch to adjust, then switch spindle and connecting lever are had good positioning, then carry out
It punches with boring, is then fixed with resilient key, assembly technology is complicated, and production efficiency is low；Since switch spindle length is long, together
Axis degree is not easy to guarantee；And in this connection type, mechanism needs to export that operating work is bigger, the very big portion of the operating work of mechanism
Divide consumption in the transmission of main shaft and connecting lever, transmission efficiency is low；And driving parts are more, and this certainly will influence breaker on/off switch
Reliability and switch mechanical performance and service life.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of one or two fusion killer switch main shafts
With the attachment device of mechanism main shaft, switch spindle is designed as with mechanism main shaft and connecting lever concentric, mechanism main shaft is direct
Switch spindle on/off switch is driven, simple structure and high transmission efficiency, the operating work that mechanism needs to export is small, and breaker on/off switch
Reliably, mechanical performance is greatly improved with the service life.
For this purpose, the invention adopts the following technical scheme:
A kind of attachment device of one or two fusion killer switch main shafts and mechanism main shaft, including switch spindle, mechanism master
Axis and connecting lever；The switch spindle is connect by the first connection end with connecting lever, and first connection end is located at
The end of switch spindle, shape are outer-hexagonal shape, and the center line of outer-hexagonal shape is with respect to the certain angle of the centerline dip of switch spindle
Degree；The mechanism main shaft is connect by second connection end head with connecting lever, and the second connection end head is located at mechanism main shaft
End, shape are outer-hexagonal shape, the centerline dip certain angle of the center line of outer-hexagonal shape with respect to mechanism main shaft；Described second
The shape of connection end, inclined angle are identical as the first connection end；The middle part of the connecting lever is equipped with connecting hole, institute
State the sum of the length of connecting hole and the length of the first connection end and second connection end head quite, the shape of connecting hole is interior hexagonal
Shape, the interior hexagonal size and the size of the first connection end and second connection end head outer-hexagonal shape match, interior hexagonal
The top of shape is equipped with the boss of one fixed width and gap, and the centre of boss is equipped with bolt hole, for across fixing bolt.
Preferably, one end of the connecting lever connecting hole is connect with the switch spindle, and the other end and mechanism main shaft connect
It connects, is tightened by the fixing bolt on boss bolt hole.
Preferably, the center line of the first connection end outer-hexagonal shape is with respect to the tilt angle of switch spindle center line
13 degree.
Preferably, the material of the switch spindle uses No. 45 round steel, by modifier treatment, hardness HRC25.
Preferably, the length of first connection end is 23mm, and the across flats of outer-hexagonal shape are 19mm.
Preferably, the material of the mechanism main shaft uses No. 45 round steel.
Preferably, the length of the second connection end head is 20mm, and the across flats of outer-hexagonal shape are 19mm.
Preferably, the material of the connecting lever uses cast steel, yield strength 310MPa, tensile strength 570MPa.
Preferably, the length of connecting hole is 42mm in the middle part of the connecting lever, and interior hexagonal across flats are 19mm.
Preferably, the width of the boss is 20mm, and intermediate space 2mm, boss centre is equipped with the bolt hole of 2 M8.
Compared with prior art, the beneficial effects of the present invention are:
(1) switch spindle is designed as with mechanism main shaft and connecting lever it is concentric, mechanism main shaft directly drive switch lead
Axis on/off switch, simple structure and high transmission efficiency, the operating work that mechanism needs to export is small, and mechanism energy storage motor is reduced by traditional 70W
For 40W, and breaker on/off switch is reliable, and mechanical performance is increased substantially with the service life.
(2) switch spindle and mechanism main shaft connection end are designed as outer-hexagonal shape, and connecting lever connecting hole is designed as interior hexagon,
One end of hexagonal packs into mechanism main shaft in connecting lever, and the other end packs into switch spindle, then tightens connecting lever fixing bolt, and connection is simple
Reliably, and the hexagonal part of connection and switch spindle axle center are designed as tilting certain angle, and the switch excess of stroke determines, does not need
Drill adjustment on connecting lever main shaft, and assembly technology is simple, high production efficiency.
(3) easy to use, economic benefit is obvious.
Detailed description of the invention
Fig. 1 is the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft provided by the present invention
Main view.
Fig. 2 is the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft provided by the present invention
Left view.
Fig. 3 is the main view of switch spindle in the present invention.
Fig. 4 is the left view of switch spindle in the present invention.
Fig. 5 is the main view of mechanism main shaft in the present invention.
Fig. 6 is the left view of mechanism main shaft in the present invention.
Fig. 7 is the main view of connecting lever in the present invention.
Fig. 8 is the top view of connecting lever in the present invention.
Fig. 9 is the left view of connecting lever in the present invention.
Description of symbols: 1, switch spindle；2, mechanism main shaft；3, connecting lever；4, the first connection end；5, second connects
Connect end；6, mechanism's installing plate.
Specific embodiment
With reference to the accompanying drawing and specific embodiment come the present invention will be described in detail, specific embodiment therein and explanation only
For explaining the present invention, but it is not as a limitation of the invention.
As depicted in figs. 1 and 2, the invention discloses the companies of a kind of one or two fusion killer switch main shafts and mechanism main shaft
Connection device, including switch spindle 1, mechanism main shaft 2 and connecting lever 3；The switch spindle 1 is by the first connection end 4 and even
The connection of connecting lever 3 is connect, first connection end 4 is located at the end of switch spindle 1, and shape is outer-hexagonal shape, in outer-hexagonal shape
Centerline dip certain angle of the heart line with respect to switch spindle；The mechanism main shaft 2 passes through second connection end head 5 and connecting lever
3 connections, the second connection end head 5 are located at the end of mechanism main shaft 2, and shape is outer-hexagonal shape, the center line phase of outer-hexagonal shape
To the centerline dip certain angle of mechanism main shaft；Shape, the inclined angle of the second connection end head 5 are connect with first
End 4 is identical；The middle part of the connecting lever 3 is equipped with connecting hole, the length of the connecting hole and the first connection end 4 and second
Quite, the shape of connecting hole is interior hexagon, the interior hexagonal size and the first connecting pin to the sum of length of connection end 5
First 4 and the size of 5 outer-hexagonal shape of second connection end head match, interior hexagonal top is equipped with the convex of one fixed width and gap
The centre of platform, boss is equipped with bolt hole, for across fixing bolt.
Specifically, one end of 3 connecting hole of connecting lever is connect with the switch spindle 1, the other end and mechanism main shaft 2
Connection, is tightened by the fixing bolt on boss bolt hole.
Specifically, as shown in Figure 3 and Figure 4, the center line of the 4 outer-hexagonal shape of the first connection end is with respect to switch spindle 1
The tilt angle of center line is 13 degree.
Specifically, the material of the switch spindle 1 uses No. 45 round steel, by modifier treatment, hardness HRC25.
Specifically, the length of first connection end 4 is 23mm, and the across flats of outer-hexagonal shape are 19mm.
Specifically, the material of the mechanism main shaft 2 uses No. 45 round steel.
Specifically, as shown in Figure 5 and Figure 6, the length of the second connection end head 5 is 20mm, the opposite side of outer-hexagonal shape
Width is 19mm.
Specifically, the material of the connecting lever 3 uses cast steel, yield strength 310MPa, tensile strength 570MPa.
Specifically, as shown in figs. 7 to 9, the length of the 3 middle part connecting hole of connecting lever is 42mm, interior hexagonal
Across flats are 19mm.
Specifically, the width of the boss is 20mm, and intermediate space 2mm, boss centre is equipped with the bolt hole of 2 M8.
Embodiment
A kind of attachment device of one or two fusion killer switch main shafts and mechanism main shaft, mainly by switch spindle 1, mechanism
Main shaft 2 and connecting lever 3 form.
1 material of switch spindle uses No. 45 round steel, and the first connection end 4 is designed as outer-hexagonal, length 23mm, outer-hexagonal
Across flats are 19mm, and outer-hexagonal center line is designed with the end of mechanism main shaft 2 with respect to 13 degree of 1 centerline dip of switch spindle
It is consistent；Switch spindle 1 passes through modifier treatment, hardness HRC25, good mechanical properties.
2 material of mechanism main shaft uses No. 45 round steel, and second connection end head 5 is designed as outer-hexagonal, length 20mm, outer-hexagonal
Across flats are 19mm, and outer-hexagonal center line is with respect to 13 degree of 2 centerline dip of mechanism main shaft.Outer-hexagonal design is conducive to mechanism master
The connection of axis 2 and connecting lever 3；Outer-hexagonal center line tilts 13 degree, after connecting with switch spindle 1 with respect to mechanism spindle centerline
It is assured that the excess of stroke of switch, no longer needs to be adjusted；The design of these structures simplifies assembly technology, improves production effect
Rate.Mechanism main shaft 2 is mounted in mechanism's installing plate 6.
Connecting lever 3 uses steel-casting, and yield strength 310MPa, tensile strength 570MPa, comprehensive mechanical property is excellent
Different, mechanical life can achieve 10000 times or more；The intermediate connecting hole of connecting lever 3 is designed using interior hexagonal, length 42mm,
Across flats are 19mm, interior hexagonal top design is the boss that intermediate space is 2mm, width is 20mm, boss medium design 2
The bolt hole of a M8.
Hexagonal one end is connect with mechanism main shaft 2 in connecting lever 3, and the other end is connect with switch spindle 1, then tightens boss
2 fixing bolts, switch connect completions with mechanism, and simple process connects reliably, assembly efficiency height；After connection, switch spindle
1, mechanism main shaft 2 and connecting lever 3 are at same axle center, and machinery driving efficiency is high, and mechanical life is long, and switch on/off switch is reliable.
The design of this structure of main shaft and connecting lever and connection type have reliable connection, transmission efficiency height, mechanical life long
Technical advantage, and assembly technology is simple, high production efficiency, solves shortcomings and deficiencies existing for current breaker.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, all in essence of the invention
Made any modification, equivalent replacement and improvement etc., should be included in protection scope of the present invention within mind and spirit
Within.
Claims (10)
1. a kind of attachment device of one or two fusion killer switch main shafts and mechanism main shaft, including switch spindle, mechanism main shaft
And connecting lever, it is characterised in that: the switch spindle is connect by the first connection end with connecting lever, first connection
End is located at the end of switch spindle, and shape is outer-hexagonal shape, and the center line of outer-hexagonal shape inclines with respect to the center line of switch spindle
Oblique certain angle；The mechanism main shaft is connect by second connection end head with connecting lever, and the second connection end head is located at machine
The end of structure main shaft, shape are outer-hexagonal shape, the centerline dip certain angle of the center line of outer-hexagonal shape with respect to mechanism main shaft；
Shape, the inclined angle of the second connection end head are identical as the first connection end；The middle part of the connecting lever is equipped with
The sum of length of connecting hole, the length of the connecting hole and the first connection end and second connection end head is suitable, the shape of connecting hole
Shape is interior hexagon, the size phase of the interior hexagonal size and the first connection end and second connection end head outer-hexagonal shape
Match, interior hexagonal top is equipped with the boss of one fixed width and gap, and the centre of boss is equipped with bolt hole, for across fixed spiral shell
Bolt.
2. the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft according to claim 1,
Be characterized in that: one end of the connecting lever connecting hole is connect with the switch spindle, and the other end is connect with mechanism main shaft, is passed through
Fixing bolt on boss bolt hole is tightened.
3. the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft according to claim 1,
Be characterized in that: the center line of the first connection end outer-hexagonal shape is 13 degree with respect to the tilt angle of switch spindle center line.
4. the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft according to claim 1,
Be characterized in that: the material of the switch spindle uses No. 45 round steel, by modifier treatment, hardness HRC25.
5. the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft according to claim 1,
Be characterized in that: the length of first connection end is 23mm, and the across flats of outer-hexagonal shape are 19mm.
6. the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft according to claim 1,
Be characterized in that: the material of the mechanism main shaft uses No. 45 round steel.
7. the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft according to claim 1,
Be characterized in that: the length of the second connection end head is 20mm, and the across flats of outer-hexagonal shape are 19mm.
8. the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft according to claim 1,
Be characterized in that: the material of the connecting lever uses cast steel, yield strength 310MPa, tensile strength 570MPa.
9. the attachment device of a kind of one or two fusion killer switch main shafts and mechanism main shaft according to claim 1,
Be characterized in that: the length of connecting hole is 42mm in the middle part of the connecting lever, and interior hexagonal across flats are 19mm.
10. a kind of one or two fusion killer switch main shafts according to any one of claim 1 to 9 and mechanism main shaft
Attachment device, it is characterised in that: the width of the boss is 20mm, and intermediate space 2mm, boss centre is equipped with the spiral shell of 2 M8
Keyhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113091.2A CN109616387B (en) | 2019-02-13 | Connecting device for primary and secondary fusion breaker switch main shaft and mechanism main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113091.2A CN109616387B (en) | 2019-02-13 | Connecting device for primary and secondary fusion breaker switch main shaft and mechanism main shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109616387A true CN109616387A (en) | 2019-04-12 |
| CN109616387B CN109616387B (en) | 2024-07-02 |
Family
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191300043A (en) * | 1913-01-01 | 1914-01-01 | Lancashire Dynamo & Motor Comp | Improvements in Apparatus for Electrically Operating Planing Machines and the like Reciprocating Tools. |
| GB254776A (en) * | 1925-04-01 | 1926-07-01 | Frank Brimson Cox | Improvements in switches |
| CN104701104A (en) * | 2014-12-31 | 2015-06-10 | 国家电网公司 | High-voltage circuit breaker |
| CN107731621A (en) * | 2017-10-17 | 2018-02-23 | 珠海许继电气有限公司 | A kind of double-fracture killer switch major loop transmission device |
| CN209388986U (en) * | 2019-02-13 | 2019-09-13 | 宁波鹿鼎电子科技有限公司 | A kind of attachment device of one or two fusion killer switch main shafts and mechanism main shaft |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191300043A (en) * | 1913-01-01 | 1914-01-01 | Lancashire Dynamo & Motor Comp | Improvements in Apparatus for Electrically Operating Planing Machines and the like Reciprocating Tools. |
| GB254776A (en) * | 1925-04-01 | 1926-07-01 | Frank Brimson Cox | Improvements in switches |
| CN104701104A (en) * | 2014-12-31 | 2015-06-10 | 国家电网公司 | High-voltage circuit breaker |
| CN107731621A (en) * | 2017-10-17 | 2018-02-23 | 珠海许继电气有限公司 | A kind of double-fracture killer switch major loop transmission device |
| CN209388986U (en) * | 2019-02-13 | 2019-09-13 | 宁波鹿鼎电子科技有限公司 | A kind of attachment device of one or two fusion killer switch main shafts and mechanism main shaft |
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