CN104332869B - Operating device for repairing and maintaining breaker - Google Patents
Operating device for repairing and maintaining breaker Download PDFInfo
- Publication number
- CN104332869B CN104332869B CN201410651386.2A CN201410651386A CN104332869B CN 104332869 B CN104332869 B CN 104332869B CN 201410651386 A CN201410651386 A CN 201410651386A CN 104332869 B CN104332869 B CN 104332869B
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- screw
- power output
- main shaft
- crank arm
- output main
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- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to an operating device for repairing and maintaining a breaker. The device comprises a fixing base, a lead screw and nut mechanism and a transmission connecting lever, wherein the lead screw and nut mechanism is arranged on the fixing base and is equipped with a linear moving output end and a torque input end; one end of the transmission connecting lever is assembled to a corresponding power output main shaft of the breaker by a rotating stopping manner; the linear moving output end of the lead screw and nut mechanism is in transmission connection with the other end of the transmission connecting lever, so as to drive the transmission connecting lever to swing by a reciprocating manner, and therefore, the corresponding power output main shaft is driven to rotate by the reciprocating manner. The operating device further comprises a jack; the jack is equipped with an ejector rob for ejecting a power output connecting lever on the power output main shaft. With the adoption of the operating device for repairing and maintaining the breaker, the breaker can be slowly opened and closed.
Description
Technical field
The present invention relates to a kind of operation device for overhaul of line breaker maintenance.
Background technology
Switchgear is the important component part of power system, is mainly used in cut-offfing, closes circuit normal current and fault
Electric current, or isolate high voltage power supply in overhaul of the equipments, a safe and reliable insulation distance is provided.And chopper is to switch to set
Standby core component, chopper can cut-off, close, carry various loaded lines under normal circumstances, also can be in circuit
In occur closing during short trouble and cut-off short circuit current, when having an accident, protection electromotor and transformator, are responsible for stable confession
The important task of electricity.Increasingly booming with electric utility, electric pressure also more and more higher it is therefore desirable to often enter to chopper
Row repair and maintenance is it is ensured that the performance of chopper.
The operating mechanism that existing chopper includes dynamic and static contact and drives dynamic and static Contact Breaking/Making Operations lock, wherein operating mechanism
It is arranged on a mechanism case, operating mechanism includes power output main shaft, and power output main shaft is provided with power output connecting lever, move
Power output toggle arm is connected with moving contact by pull bar.During work, operating mechanism passes through to drive the reciprocating rotary of power output main shaft
To realize the divide-shut brake of dynamic and static contact that is to say, that power output main shaft can only realize dynamic and static contact combined floodgate, two works of separating brake
Make state, but in the installation in chopper, debugging and maintenance process, in order to check the motion shape of arc-chutes or operating mechanism
State, prevents clamping stagnation or phenomenon of dawdling, it is to avoid destroys transmission portion part during normal operating, is intended to power output main shaft energy
Optional position required for enough arbitrarily resting on, in order to installing, overhauling and observe the motor process of operating mechanism, searches and occurs
The reason problem.The course of action of existing operating mechanism is uncontrollable, moving contact can only be positioned closing position or sub-gate position
Put it is impossible to power output main shaft Slow-disconnecting and slow-connecting or be accurately positioned, bring many inconvenience for installation, debugging and maintenance.
Content of the invention
It is an object of the invention to provide a kind of be capable of tieing up for overhaul of line breaker of chopper Slow-disconnecting and slow-connecting operation
The operation device of shield.
In order to solve the above problems, the technical scheme is that
A kind of operation device for overhaul of line breaker maintenance, including firm banking and arrange thereon there is linearly operating
The screw-nut mechanism of outfan and torque input end, also includes the power output that one end is assemblied in respective circuit breakers for rotation stop
Transmission crank arm on main shaft, the linearly operating outfan of screw-nut mechanism and the other end of described transmission crank arm be in transmission connection with
Realize driving corresponding power output main shaft reciprocating rotary by driving transmission crank arm reciprocally swinging, operation device also includes very heavy
Top, jack has the push rod for the power output connecting lever on power output main shaft described in pushing tow.
Described transmission crank arm is in transmission connection with described linearly operating outfan by driving member, one end of described driving member
Be hinged and connected by the first bearing pin and described transmission crank arm, the other end pass through the second bearing pin hinged with described linearly operating outfan
It is connected.
Described driving member is hollow nested structure, and described first, second bearing pin is radially threaded onto the body of described driving member
On wall.
The linearly operating outfan of described screw-nut mechanism is arranged on leading screw, and the moment of torsion of described screw-nut mechanism is defeated
Enter end to be arranged on screw, described firm banking is provided with the mounting seat installing described screw-nut mechanism, described installation
It is provided with mechanism's installing hole, screw runs through the axial two ends of described mechanism installing hole, and the axial two ends of mechanism's installing hole set on seat
It is equipped with the thrust ball bearing limiting described screw axial movement.
Offer in described transmission crank arm and realize for coincideing to be set on the outer square structure of corresponding power output main shaft
With the interior square hole of power output main shaft rotation stop assembling, at the outer fin of interior square hole, it is provided with bearing of trend and interior square hole bearing of trend
Consistent slot to make way.
The invention has the benefit that when needing overhaul of line breaker, it is fixed to be carried out by jack pair power output connecting lever
Position, then transmission crank arm rotation stop is sheathed on power output main shaft, jack can ensure that in transmission crank arm installation process
Safety, jack of subsequently dismantling, by the torque input end input torque in screw-nut mechanism, making screw-nut mechanism
In linearly operating outfan output linearly operating, thus promote transmission crank arm reciprocally swinging and realize drive power output main shaft
Reciprocating rotary, during power output main shaft reciprocating rotary, due to the mechanism characteristicses of screw-nut mechanism, can make
Power output main shaft has slower rotary speed, to reach the dynamic and static contact Slow-disconnecting and slow-connecting purpose of chopper, for the head of product
Secondary breaking-closing operating tool is of great significance；Power output main shaft can also be made to stop at an arbitrary position, with convenient simultaneously
The purpose that operator install, debug and overhaul.
Brief description
Fig. 1 is the use state figure of one embodiment of the present of invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the a-a of Fig. 2 to sectional view；
The structural representation of Tu4Shi Tu1Zhong screw-nut mechanism；
Fig. 5 is the structural representation of transmission crank arm in Fig. 1；
Fig. 6 is the structural representation of firm banking in Fig. 1；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the structural representation of connector in Fig. 1；
Fig. 9 is the left view of Fig. 1；
Figure 10 is the b-b of Fig. 9 to sectional view.
Specific embodiment
A kind of enforcement of the operation device for overhaul of line breaker maintenance is for example shown in Fig. 1 ~ 10: include firm banking 9, Gu
Determine base 9 to include left connection board 21, right connection board 22 and be arranged at cross structure 23 between left and right connecting plate, in the present embodiment
Cross structure is channel-section steel, right connection board is provided with bolt penetration hole, is coated with for firm banking is fixed on phase in bolt penetration hole
Answer the connecting bolt 8 on mechanism case 10.It is provided with defeated with linearly operating outfan and moment of torsion on firm banking by mounting seat 6
Enter the screw-nut mechanism at end, mounting seat is fixedly arranged in left connection board, the linearly operating outfan setting in screw-nut mechanism
On the leading screw 4 of screw-nut mechanism, the torque input end in screw-nut mechanism is arranged at the screw 5 of screw-nut mechanism
On, screw is the sleeve-like structure that an axial direction extends in left-right direction.Mechanism's installing hole is offered on mounting seat, screw runs through
The axial two ends of mechanism's installing hole, screw and machine mechanism installing hole are provided with restriction nut axis between the mounting seat 6 of both sides
To the thrust ball bearing 15 of movement, the torque input end of screw 5 is installed with moment of torsion input adapter 7 by screw 18, moment of torsion is defeated
Enter rotation stop on joint to be connected with for the hand-held spanner of operator 12, left connection board is provided with the u shape groove passing through for screw
Mouth 24.Slow-disconnecting and slow-connecting apparatus also include transmission crank arm 2, and one end of transmission crank arm 2 offers and is set in corresponding transmission for rotation stop
Interior square hole 18 on the outer square structure of axle 1, interior square hole has 24 sides, and two neighboring side constitutes v shape structure, adjacent
It is provided with the bearing of trend slot to make way 19 consistent with interior square hole bearing of trend, slot to make way 19 at the connecting corner of two v shape structures
Cooperation step down with the outer fin of power transmission shaft in that context it may be convenient to install with power transmission shaft foreign side respective outer side edges, if the evagination of interior square hole
Just it is difficult to realize the installation of power transmission shaft and interior square hole for if cusp at rib, by the number of sides of many square holes in increasing, transmission is turned
30 degree of every turn of arm can be corresponding with power transmission shaft, reduces the angle of adjustment, is easy to use adjustment when installing.Transmission crank arm
The other end is in transmission connection with the linearly operating outfan on leading screw 4 by driving member 3, and the first bearing pin 16 is passed through in one end of driving member
With transmission crank arm be hinged and connected, the other end is hinged and connected by the second bearing pin 17 and linearly operating outfan, driving member be hollow
Nested structure, described first, second bearing pin is radially threaded onto on the set body wall of driving member, and driving member is provided with for getting out of the way biography
The connecting lever slot to make way of dynamic connecting lever and the leading screw slot to make way 3-1 for getting out of the way leading screw, leading screw slot to make way and connecting lever slot to make way can be kept away
Exempt to interfere between driving member and leading screw, transmission crank arm.Operation device also includes vertically arranged jack 13, and jack has
There is the push rod for the power output connecting lever 30 on pushing tow power output main shaft, between jack and mechanism case and push rod and power
Pad equipped with chock 14 between output toggle arm respectively, chock one side can increase the maximum top journey of jack, on the other hand also may be used
To protect power output connecting lever and mechanism case, it is to avoid produce abrasion between jack and power output connecting lever and mechanism case.
When needing to overhaul of line breaker, first closing control power supply, open hydraulic mechanism pressure relief device, oil pressure is discharged into
0mpa state, is then positioned to power output connecting lever by jack and chock, so as to avoid an accident, firm banking is solid
On mechanism case, transmission crank arm is sheathed on power output main shaft, by spanner to screw input torque, makes leading screw permissible
Export reciprocal linearly operating, leading screw drives transmission crank arm reciprocally swinging by driving member, thus realizing the reciprocating rotary of power transmission shaft
Turn.Screw is sleeve-like structure, can increase screw to the guiding length of leading screw it is ensured that the accurate output of leading screw linearly operating.This
Device have structure be simple and convenient to operate fast, low cost, high-voltage product problem check in, highly versatile detection speed is fast
The advantages of.In other embodiments of the invention；Can also be turned round to the torque input end input of screw-nut mechanism by motor
Square；Certainly linearly operating outfan can also be arranged on screw, now needs to arrange the screw rotation stop knot limiting screw rotation
Structure and the axial limit structure limiting leading screw axial movement；When the side number of the outer square structure on power transmission shaft changes, transmission crank arm
On the side number of interior square hole can also change therewith；Certainly transmission crank arm can also be by other spline structures and power transmission shaft rotation stop
Cooperation, such as transmission crank arm is fixed on power transmission shaft by screw；Driving member can not also set, now the front end of leading screw with
Transmission crank arm is hinged and connected, and what the rear end of leading screw reciprocally swung is assemblied in mounting seat；Certainly chock can not also set, now
The push rod of jack can directly withstand on output toggle arm.Slow-disconnecting and slow-connecting apparatus can be used in power station field adjustable and repairing,
Chopper can be moved to the optional position in stroke.
Claims (5)
1. a kind of operation device for overhaul of line breaker maintenance it is characterised in that: include firm banking and the tool that arranges thereon
There is the screw-nut mechanism of linearly operating outfan and torque input end, also include one end and be assemblied in respective circuit breakers for rotation stop
Power output main shaft on transmission crank arm, the linearly operating outfan of screw-nut mechanism and the other end of described transmission crank arm
It is in transmission connection to realize driving corresponding power output main shaft reciprocating rotary by driving transmission crank arm reciprocally swinging, operation device
Also include the jack that the power output connecting lever of power output main shaft is positioned, jack has for power described in pushing tow
The push rod of the power output connecting lever on output main shaft.
2. operation device according to claim 1 it is characterised in that: it is straight with described that described transmission crank arm passes through driving member
Line action outfan is in transmission connection, and one end of described driving member is hinged and connected by the first bearing pin and described transmission crank arm, another
End is hinged and connected with described linearly operating outfan by the second bearing pin.
3. operation device according to claim 2 it is characterised in that: described driving member be hollow nested structure, described first,
Second bearing pin is radially threaded onto on the set body wall of described driving member.
4. operation device according to claim 1 it is characterised in that: the linearly operating outfan of described screw-nut mechanism
It is arranged on leading screw, the torque input end of described screw-nut mechanism is arranged on screw, and described firm banking is provided with
The mounting seat of described screw-nut mechanism is installed, described mounting seat is provided with mechanism's installing hole, screw runs through described mechanism peace
The axial two ends in dress hole, the thrust ball bearing of the restricted described screw axial movement of axial two ends setting of mechanism's installing hole.
5. the operation device according to claim 1 ~ 4 any one it is characterised in that: offer use in described transmission crank arm
The interior square hole realized with the assembling of power output main shaft rotation stop is set in coincideing on the outer square structure of corresponding power output main shaft,
It is provided with the bearing of trend slot to make way consistent with interior square hole bearing of trend at the outer fin of interior square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410651386.2A CN104332869B (en) | 2014-11-17 | 2014-11-17 | Operating device for repairing and maintaining breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410651386.2A CN104332869B (en) | 2014-11-17 | 2014-11-17 | Operating device for repairing and maintaining breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332869A CN104332869A (en) | 2015-02-04 |
| CN104332869B true CN104332869B (en) | 2017-02-01 |
Family
ID=52407549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410651386.2A Active CN104332869B (en) | 2014-11-17 | 2014-11-17 | Operating device for repairing and maintaining breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332869B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293422B (en) * | 2017-06-05 | 2019-01-22 | 河南平高电气股份有限公司 | A kind of breaker and its prevent slow separating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20000005D0 (en) * | 1999-01-05 | 2000-01-03 | Enel Distribuzione Spa | Multi-pole switch unit |
| CN2664151Y (en) * | 2003-11-18 | 2004-12-15 | 北京北开电气股份有限公司 | Slow-disconnecting and slow-connecting apparatus for circuit breaker |
| CN102650557A (en) * | 2011-02-23 | 2012-08-29 | 平高集团有限公司 | Moment measuring device for circuit breaker body |
| CN104139289A (en) * | 2013-11-21 | 2014-11-12 | 国家电网公司 | Bearing assembling tool for mounting bearing in shaft sleeve part |
| CN104143488A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Slow-opening and slow-closing device of breaker |
| CN204441758U (en) * | 2014-11-17 | 2015-07-01 | 河南平高电气股份有限公司 | For the operating means that overhaul of line breaker is safeguarded |
-
2014
- 2014-11-17 CN CN201410651386.2A patent/CN104332869B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20000005D0 (en) * | 1999-01-05 | 2000-01-03 | Enel Distribuzione Spa | Multi-pole switch unit |
| CN2664151Y (en) * | 2003-11-18 | 2004-12-15 | 北京北开电气股份有限公司 | Slow-disconnecting and slow-connecting apparatus for circuit breaker |
| CN102650557A (en) * | 2011-02-23 | 2012-08-29 | 平高集团有限公司 | Moment measuring device for circuit breaker body |
| CN104143488A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Slow-opening and slow-closing device of breaker |
| CN104139289A (en) * | 2013-11-21 | 2014-11-12 | 国家电网公司 | Bearing assembling tool for mounting bearing in shaft sleeve part |
| CN204441758U (en) * | 2014-11-17 | 2015-07-01 | 河南平高电气股份有限公司 | For the operating means that overhaul of line breaker is safeguarded |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104332869A (en) | 2015-02-04 |
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