CN106298308A - A kind of switch drag devices of compact - Google Patents
A kind of switch drag devices of compact Download PDFInfo
- Publication number
- CN106298308A CN106298308A CN201610942706.9A CN201610942706A CN106298308A CN 106298308 A CN106298308 A CN 106298308A CN 201610942706 A CN201610942706 A CN 201610942706A CN 106298308 A CN106298308 A CN 106298308A
- Authority
- CN
- China
- Prior art keywords
- hinge
- connecting lever
- spring
- block
- rotating shaft
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
Abstract
A kind of switch drag devices of compact, including spring anchor block, resistance spring, hinge fixed block, the first hinge, the second hinge, actively connecting lever and rotating shaft, one end of first hinge is fixed on hinge fixed block, one end of the other end and the second hinge is flexibly connected, and the other end of the second hinge is flexibly connected with actively connecting lever；Actively connecting lever is located in rotating shaft, and the lower section of rotating shaft is provided with combined floodgate stopping means；Resistance spring one end is connected to the connection end of the first hinge and the second hinge, and the other end of resistance spring is connected on spring anchor block.By apparatus of the present invention it can be avoided that disconnecting switch overturns in the case of strong wind or other external force in advance.
Description
Technical field
The present invention relates to the switch drag devices of a kind of compact.
Background technology
Along with the fast development of power system, the scale of high-voltage fence constantly expands, to the performance requirement of power equipment also
More and more higher, rated current is more and more higher.
Conventional heavy current disconnecting switches (such as three post horizontally openable formula disconnecting switch) is big because of operating physical force, and many employings are convertible
Structure, but convertible structure is in the case of strong wind or other external force, overturns the most in advance, cause can not normal divide-shut brake, right
There is operation hidden danger in product.
Summary of the invention
The technical problem to be solved is, overcomes the deficiency of above-mentioned background technology, it is provided that one is avoided keeping apart
Close the switch drag devices of the compact overturn in advance in the case of strong wind or other external force.
The present invention solves its technical problem and employed technical scheme comprise that, the switch drag devices of a kind of compact, including bullet
Spring fixed block, resistance spring, hinge fixed block, the first hinge, the second hinge, actively connecting lever and rotating shaft, described first hinge
One end is fixed on hinge fixed block, and one end of the other end and the second hinge is flexibly connected, the other end of the second hinge and active
Connecting lever is flexibly connected；Described active connecting lever is located in rotating shaft, and the lower section of rotating shaft is provided with combined floodgate stopping means；Described resistance spring one
End is connected to the connection end of the first hinge and the second hinge, and the other end of described resistance spring is connected on spring anchor block.
Further, it is additionally provided with caging bolt between described first hinge and the second hinge.
Further, described first hinge is made up of the first arc block and the first projection being located on the first arc block；Described
Second hinge is made up of the second arc block and the second projection being located on the second arc block；Described caging bolt is located at the first projection
With second between projection.
Further, be additionally provided with transmission case, described spring anchor block, resistance spring, hinge fixed block, the first hinge, second
Hinge, actively connecting lever and rotating shaft are all located in transmission case, and described spring anchor block and hinge fixed block are fixed on transmission case.
Compared with prior art, advantages of the present invention is as follows: (1) is provided with resistance spring, the first hinge, the second hinge, will
The elastic force of resistance spring is converted into the resistance to active connecting lever, and only when operating physical force is more than resistance, actively connecting lever just can overturn,
Thus avoid disconnecting switch that flop phenomenon in advance occurs in the case of strong wind or other external force；(2) simple in construction, can be less
Space mounting, only needs a less spring force just can provide a bigger resistance to active connecting lever, compact to design, cost
Relatively low；(3) apparatus of the present invention are only
Relatively big at a fixing angle resistance, the least at other position resistance, product, when overturning, only need to start just
Upset in a flash, overcomes a bigger resistance, and when other, the resistance overcome is less.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the stress schematic diagram before embodiment illustrated in fig. 1 upset.
Fig. 3 is the stress schematic diagram after embodiment illustrated in fig. 1 upset.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by specific embodiment.
With reference to Fig. 1, the present embodiment includes spring anchor block 2, resistance spring 3, hinge fixed block the 5, first hinge 6, second
Hinge 8, actively connecting lever 9 and rotating shaft 10, one end of the first hinge 6 is fixed on hinge fixed block 5 by pin 4, the other end and
One end of two hinge 8 is flexibly connected, and the other end of the second hinge 8 is flexibly connected with actively connecting lever 9；Actively connecting lever 9 is located at rotating shaft
On 10, the lower section of rotating shaft 10 is provided with combined floodgate stopping means 11；Resistance spring 3 one end is connected to the first hinge 6 and the second hinge 8
Connecting end, the other end of resistance spring 3 is connected on spring anchor block 2.
It is additionally provided with caging bolt 7 between first hinge 6 and the second hinge 8.
First hinge 6 is made up of the first arc block and the first projection being located on the first arc block；Second hinge 8 is by second
Arc block and the second projection composition being located on the second arc block；Caging bolt 7 is located between the first projection and the second projection.
Be additionally provided with transmission case 1, spring anchor block 2, resistance spring 3, hinge fixed block the 5, first hinge the 6, second hinge 8,
Actively connecting lever 9 and rotating shaft 10 are all located in transmission case 1, and spring anchor block 2 and hinge fixed block 5 are fixed on transmission case 1.
The operation principle of the present invention is as follows:
During use, countershaft 10 provides operating physical force, and when operating physical force is more than the resistance torque of actively connecting lever 9, rotating shaft 10 is clockwise
Rotate, rotating shaft 10 drive actively connecting lever 9 to rotate clockwise, thus drive the second hinge 8 and the first hinge 6 to rotate, resistance bullet
Spring 3 is in the second hinge 8 and centre of the first hinge 6, and then moves together, as the resistance that device is lasting, the second hinge 8 He
The resistance torque of active connecting lever 9, during rotating, is reduced rapidly by the first hinge 6, and actively connecting lever 9 continues to turn clockwise
Dynamic, when encountering combined floodgate stopping means 11, then stop motion, device realizes upset.
Concrete stressing conditions is as follows:
Can draw according to force equation, in Fig. 2, second hinge 8 resistance torque M=F2 × L6 to active connecting lever 9, by F2 and F3
Decompose along spring force Impact direction and vertical direction, can obtain according to stress balance formula: the elastic force F1=of resistance spring 3
L4+L5, L7=L8；In Fig. 3, second hinge 8 resistance torque M'=F2' × L6' to active connecting lever 9, by F2' and F3' along bullet
Spring force Impact direction and vertical direction are decomposed, and can obtain according to stress balance formula: the elastic force F1'=L4'+ of resistance spring 3
L5', L7'=L8'.
(assuming that F2, F2' are 50N) when the size of F2' is identical in F2 with Fig. 3 in Fig. 2, the value of L4', L5' of Fig. 3 is than figure
The value of L4, L5 of 2 wants big, and the value of L6' also reduces, and after in such Fig. 3, device overturns, the elastic force F1' ratio of resistance spring 3 is in Fig. 2
Before device upset, the elastic force F1 of resistance spring 3 is more greatly.But actual, when spring is constant, the F1' size of F1 and Fig. 3 in Fig. 2 is near
Patibhaga-nimitta is same, and the F2' of such Fig. 3 is less than the F2 of Fig. 2.According to M=F2 × L6, when F2 and L6 reduces, the second hinge 8 is to actively
The resistance torque of connecting lever 9 also reduces.
F1 represents the elastic force of the front resistance spring 3 of device upset, and F2 represents that device overturns the stress of front second hinge 8, F3 table
Showing device overturns the stress of front first hinge 6；L1 represents that actively the length of connecting lever 9, L2 represent the length of the second hinge 8, L3 table
Show that the length of the first hinge 6, L4 represent that the F2 component in F1 direction, L5 represent that the F3 component in F1 direction, L6 represent F2 effect
The arm of force on active connecting lever 9, L7 represent that F2 represents the F3 component in F1 vertical direction, L4 at component, the L8 of F1 vertical direction
All assume that with the value of L5 and to obtain when the size of F2 is 50N；F1' represents the elastic force of resistance spring 3 after device upset, F2' table
The stress of the second hinge 8 after showing device upset, F3' represents the stress of the first hinge 6 after device upset；L4' represents that F2' is at F1'
The component in direction, L5' represent that the F3' component in F1' direction, L6' represent that F2' acts on the arm of force on active connecting lever 9, L7' table
Showing that F2' represents the F3' component in F1' vertical direction at component, the L8' of F1' vertical direction, the value of L4' and L5' all assumes that
The size of F2' is to obtain during 50N.
Apparatus of the present invention can be applicable to disconnecting switch, and particularly three post horizontally openable formula disconnecting switch, disconnecting switch is carried out
During upset, the resistance that need to first overcome apparatus of the present invention to set, just can overturn, it is to avoid disconnecting switch is outside strong wind or other
Flop phenomenon in advance occurs in the case of power.
Those skilled in the art can carry out various modifications and variations to the present invention, if these amendments and modification are at this
Within the scope of invention claim and equivalent technologies thereof, then these amendments and modification are also within protection scope of the present invention.
The prior art that the content not described in detail in description is known to the skilled person.
Claims (4)
1. the switch drag devices of a compact, it is characterised in that: include spring anchor block, resistance spring, hinge fixed block,
First hinge, the second hinge, actively connecting lever and rotating shaft, one end of described first hinge is fixed on hinge fixed block, the other end
Being flexibly connected with one end of the second hinge, the other end of the second hinge is flexibly connected with actively connecting lever；Described active connecting lever is located at
In rotating shaft, the lower section of rotating shaft is provided with combined floodgate stopping means；Described resistance spring one end is connected to the first hinge and the second hinge
Connecting end, the other end of described resistance spring is connected on spring anchor block.
2. the switch drag devices of compact as claimed in claim 1, it is characterised in that: described first hinge and the second hinge
Between be additionally provided with caging bolt.
3. the switch drag devices of compact as claimed in claim 2, it is characterised in that: described first hinge is by the first arc
Block and the first projection composition being located on the first arc block；Described second hinge is by the second arc block and is located on the second arc block
Second projection composition；Described caging bolt is located between the first projection and the second projection.
4. the switch drag devices of the compact as described in one of claim 1-3, it is characterised in that: it is additionally provided with transmission case, institute
State spring anchor block, resistance spring, hinge fixed block, the first hinge, the second hinge, actively connecting lever and rotating shaft and be all located at transmission case
In, described spring anchor block and hinge fixed block are fixed on transmission case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610942706.9A CN106298308A (en) | 2016-10-26 | 2016-10-26 | A kind of switch drag devices of compact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610942706.9A CN106298308A (en) | 2016-10-26 | 2016-10-26 | A kind of switch drag devices of compact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106298308A true CN106298308A (en) | 2017-01-04 |
Family
ID=57719626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610942706.9A Pending CN106298308A (en) | 2016-10-26 | 2016-10-26 | A kind of switch drag devices of compact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106298308A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4539862A (en) * | 1981-12-04 | 1985-09-10 | The Cessna Aircraft Company | Detent hold and release mechanism |
| CN101770888A (en) * | 2009-01-05 | 2010-07-07 | 浙宝电气(杭州)集团有限公司 | Spring operating device of high-voltage load switch |
| CN103745872A (en) * | 2013-12-24 | 2014-04-23 | 上海天灵开关厂有限公司 | Sectional type load switch mechanism |
| CN206134533U (en) * | 2016-10-26 | 2017-04-26 | 湖南长高高压开关有限公司 | Switch resistance device of compact |
-
2016
- 2016-10-26 CN CN201610942706.9A patent/CN106298308A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4539862A (en) * | 1981-12-04 | 1985-09-10 | The Cessna Aircraft Company | Detent hold and release mechanism |
| CN101770888A (en) * | 2009-01-05 | 2010-07-07 | 浙宝电气(杭州)集团有限公司 | Spring operating device of high-voltage load switch |
| CN103745872A (en) * | 2013-12-24 | 2014-04-23 | 上海天灵开关厂有限公司 | Sectional type load switch mechanism |
| CN206134533U (en) * | 2016-10-26 | 2017-04-26 | 湖南长高高压开关有限公司 | Switch resistance device of compact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |