CN207719060U - A kind of blocking device preventing power transformation operation back brake maloperation - Google Patents
A kind of blocking device preventing power transformation operation back brake maloperation Download PDFInfo
- Publication number
- CN207719060U CN207719060U CN201820160784.8U CN201820160784U CN207719060U CN 207719060 U CN207719060 U CN 207719060U CN 201820160784 U CN201820160784 U CN 201820160784U CN 207719060 U CN207719060 U CN 207719060U
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- China
- Prior art keywords
- shaft
- gear
- turntable
- operating lever
- lifting platform
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Abstract
The utility model discloses a kind of blocking devices preventing power transformation operation back brake maloperation, including lifting platform, cylinder strut, shaft a, gear a, operating lever, shaft b, gear b and turntable, cylinder strut is equipped on the right side of the lifting platform upper end, shaft a is equipped in the inner cavity of cylinder strut upper end, the tops the shaft a are equipped with gear a, the gear a upper centers are equipped with operating lever, the cylinder strut left end is equipped with shaft b, the tops the shaft b are equipped with shaft b, turntable is equipped on the left of the lifting platform upper end, it is equipped with Universal pulley at left and right sides of the lifting platform lower end.The utility model is by being equipped with cylinder strut, shaft a, gear a, operating lever, shaft b, gear b and turntable, can hand turntable linkage gear b so that gear a is rotated and operating lever driven to close grounding switch, realize remote operation, be conducive to improve fool proof safety, it is more practical, it is suitble to be widely popularized and uses.
Description
Technical field
The utility model is related to fool proof blocking device technical field, more particularly to one kind preventing power transformation operation back brake
The blocking device of maloperation.
Background technology
Numerous power transformations such as transformer, breaker, voltage transformer, current transformer and arrester are installed to set in substation
Standby, these transformer equipments are usually mating to be equipped with grounding switch, will become for closing grounding switch when transformer equipment interruption maintenance
Residual charge or induced electricity in electric equipment import in substation grounding power grid, prevent the transformer equipment residual charge of interruption maintenance
Or the generation of induced electricity casualty accident, due to needing the load on the transformer equipment by interruption maintenance to shift, transformer equipment
It needs to carry out a series of grid switching operation before interruption maintenance, if not checking power transformation conscientiously before power transformation operation maintenance personnel grid switching operation
Equipment dualism number is easy to go to the wrong way interval, and mistake closes running transformer equipment grounding switch, and transformer equipment three is caused to connect
Ground short circuit failure, three-phase ground short trouble are the fault type of power grid most serious, intense impact can be caused to transformer equipment, very
To operation of power networks unstability or low-frequency oscillation is caused, electric power netting safe running is seriously threatened, and accidentally connect running transformer equipment
Ground disconnecting link closes, and causes transformer equipment three-phase ground short trouble, will produce strong arcing electric discharge, electric arc can calcination when serious
Power transformation operation maintenance personnel, causes personal injury, and there are security threats, therefore, it is proposed that one kind prevents power transformation operation back brake from missing
The blocking device of operation.
Utility model content
The main purpose of the utility model is to provide a kind of blocking devices preventing power transformation operation back brake maloperation, pass through
Equipped with cylinder strut, shaft a, gear a, operating lever, shaft b, gear b and turntable, can hand turntable linkage gear b make gear a
It rotates and operating lever is driven to close grounding switch, realize remote operation, be conducive to improve fool proof safety,
The problems in background technology can effectively be solved.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of blocking device preventing power transformation operation back brake maloperation, including lifting platform, cylinder strut, shaft a, gear a,
Operating lever, shaft b, gear b and turntable, the lifting platform upper end right side are equipped with cylinder strut, cylinder strut upper end inner cavity
In be equipped with the tops shaft a, the shaft a and be equipped with gear a, the gear a upper centers are equipped with operating lever, and the cylinder strut is left
End is equipped with the tops shaft b, the shaft b and is equipped with shaft b, and turntable, the lifting platform lower end are equipped on the left of the lifting platform upper end
The left and right sides is equipped with Universal pulley.
Further, extension rod is equipped in the operating rod cavity, the operating lever left end outer wall is equipped with adjusting bolt.
Further, the operating lever right end be equipped with insulating panel, the insulating panel outer wall be respectively equipped with fixed jaw and
Fixed bandage.
Further, the shaft a lower end outer walls are placed in by being equipped with bearing in cylinder strut inner cavity, under the shaft b
Outer wall is held to be equipped with belt pulley, the belt pulley is connect by being equipped with belt with turntable.
Further, turntable upper end outer wall is equipped with crank, and the turntable right end is equipped with insulating protective plate.
Compared with prior art, the utility model has the advantages that：
1. the blocking device for preventing power transformation operation back brake maloperation of the utility model, by being equipped with cylinder strut, shaft
A, gear a, operating lever, shaft b, gear b and turntable, can hand turntable linkage gear b so that gear a is rotated and drive operating lever will
Grounding switch closes, and realizes remote operation, is conducive to improve fool proof safety.
2. it is anti-to be equipped with insulation by turntable right end for the blocking device for preventing power transformation operation back brake maloperation of the utility model
Backplate further increases fool proof safety, by being equipped with lifting platform, operating lever can be made to carry out closure in different height and connect
Ground disconnecting link operation.
Description of the drawings
Fig. 1 is the overall structure diagram for the blocking device that the utility model prevents power transformation operation back brake maloperation；
Fig. 2 is the partial structural diagram for the blocking device that the utility model prevents power transformation operation back brake maloperation.
In figure：1, lifting platform；2, cylinder strut；3, shaft a；4, gear a；5, make bar；6, shaft b；7, gear b；8, turn
Disk；9, Universal pulley；10, extension rod；11, adjusting bolt；12, insulating panel；13, fixed jaw；14, fixed bandage；15, axis
It holds；16, belt pulley；17, belt；18, crank；19, insulating protective plate.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
As shown in Figs. 1-2, a kind of blocking device preventing power transformation operation back brake maloperation, including lifting platform 1, cylinder strut
2, shaft a3, gear a4, operating lever 5, shaft b6, gear b7 and turntable 8,1 upper end of lifting platform right side are equipped with cylinder strut
2, it is equipped with the tops shaft a3, the shaft a3 in 2 upper end inner cavity of the cylinder strut and is equipped in the upper ends gear a4, the gear a4
Portion is equipped with operating lever 5, and 2 left end of cylinder strut is equipped with the tops shaft b6, the shaft b6 and is equipped with shaft b6, the lifting platform
It is equipped with turntable 8 on the left of 1 upper end, Universal pulley 9 is equipped at left and right sides of 1 lower end of the lifting platform.
Wherein, extension rod 10 is equipped in 5 inner cavity of the operating lever, 5 left end outer wall of the operating lever is equipped with adjusting bolt 11.
Wherein, 5 right end of the operating lever is equipped with insulating panel 12, and 12 outer wall of the insulating panel is respectively equipped with fixed jaw 13
With fixed bandage 14.
Wherein, the shaft a3 lower end outer walls are placed in by being equipped with bearing 15 in 2 inner cavity of cylinder strut, under the shaft b6
Outer wall is held to be equipped with belt pulley 16, the belt pulley 16 is connect by being equipped with belt 17 with turntable 8.
Wherein, 8 upper end outer wall of the turntable is equipped with crank 18, and 8 right end of the turntable is equipped with insulating protective plate 19.
Operation principle：In use, adjusting 1 height of lifting platform according to grounding switch height, operating lever 5 is made to be in phase with plug-in strip
With height, fixed jaw 13 on 5 right end insulating panel of operating lever, 12 outer wall and fixed bandage 14 are fixed on plug-in strip, turntable is held
8 upper end outer wall crank, 18 swings clockwise makes turntable 8 rotate, and the rotation of turntable 8 can be such that belt pulley 16 rotates synchronously by belt 17,
The rotation of belt pulley 16 can drive shaft b6 and its top gear b7 to rotate, and gear b7 is engaged with the tops shaft a3 gear a4, gear
B7 rotations can be rotated synchronously with moving gear a4, and gear a4 rotations can be such that the upper end operating lever 5 is translated using gear a4 as origin
Rotation, the translation rotation of operating lever 5 can close the plug-in strip of grounding switch, remote operation be realized, instead of artificial direct
The operation for contacting disconnecting link, so as to avoid the Danger Electric shock risk of operation is manually in direct contact, holding crank 18, rotation turns counterclockwise
Disk 8 can make operating lever 5 carry out reversed translation rotation by origin of gear a4, grounding switch be detached, 8 right end of turntable fixes peace
Equipped with insulating protective plate 19, insulating protective plate 19 can prevent transformer equipment three-phase ground short trouble from generating strong arcing electric discharge
Calcination human body causes personal injury, and easy to operate, using effect is ideal, more practical.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of blocking device preventing power transformation operation back brake maloperation, including lifting platform (1), cylinder strut (2), shaft a
(3), gear a (4), operating lever (5), shaft b (6), gear b (7) and turntable (8), it is characterised in that：On the lifting platform (1)
End right side is equipped with cylinder strut (2), and shaft a (3), shaft a (3) top are equipped in cylinder strut (2) the upper end inner cavity
Equipped with gear a (4), gear a (4) upper center is equipped with operating lever (5), and cylinder strut (2) left end is equipped with shaft b
(6), shaft b (6) top is equipped with shaft b (6), and turntable (8), the lifting platform are equipped on the left of lifting platform (1) upper end
(1) it is equipped with Universal pulley (9) at left and right sides of lower end.
2. the blocking device according to claim 1 for preventing power transformation operation back brake maloperation, it is characterised in that：The operation
Extension rod (10) is equipped in bar (5) inner cavity, operating lever (5) the left end outer wall is equipped with adjusting bolt (11).
3. the blocking device according to claim 1 for preventing power transformation operation back brake maloperation, it is characterised in that：The operation
Bar (5) right end is equipped with insulating panel (12), and insulating panel (12) outer wall is respectively equipped with fixed jaw (13) and fixed bandage
(14)。
4. the blocking device according to claim 1 for preventing power transformation operation back brake maloperation, it is characterised in that：The shaft
A (3) lower end outer walls are placed in by being equipped with bearing (15) in cylinder strut (2) inner cavity, and shaft b (6) lower end outer wall is equipped with skin
Belt wheel (16), the belt pulley (16) are connect by being equipped with belt (17) with turntable (8).
5. the blocking device according to claim 1 for preventing power transformation operation back brake maloperation, it is characterised in that：The turntable
(8) upper end outer wall is equipped with crank (18), and turntable (8) right end is equipped with insulating protective plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820160784.8U CN207719060U (en) | 2018-01-31 | 2018-01-31 | A kind of blocking device preventing power transformation operation back brake maloperation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820160784.8U CN207719060U (en) | 2018-01-31 | 2018-01-31 | A kind of blocking device preventing power transformation operation back brake maloperation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207719060U true CN207719060U (en) | 2018-08-10 |
Family
ID=63053022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820160784.8U Expired - Fee Related CN207719060U (en) | 2018-01-31 | 2018-01-31 | A kind of blocking device preventing power transformation operation back brake maloperation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207719060U (en) |
-
2018
- 2018-01-31 CN CN201820160784.8U patent/CN207719060U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20210131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |