CN104835674B - A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism - Google Patents
A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism Download PDFInfo
- Publication number
- CN104835674B CN104835674B CN201510215166.XA CN201510215166A CN104835674B CN 104835674 B CN104835674 B CN 104835674B CN 201510215166 A CN201510215166 A CN 201510215166A CN 104835674 B CN104835674 B CN 104835674B
- Authority
- CN
- China
- Prior art keywords
- connecting lever
- main shaft
- moving contact
- hinge
- spring
- 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.)
- Active
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003068 static effect Effects 0.000 abstract description 26
- 230000002153 concerted effect Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 11
- 238000009413 insulation Methods 0.000 description 8
- 230000005684 electric field Effects 0.000 description 5
- 238000002679 ablation Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of Direct Action Type earthed switch the invention discloses operating mechanism and using the operating mechanism.Elastic component is connected with the connecting lever of operating mechanism, so during switching, as connecting lever drives moving contact to be moved up and down relative to static contact, elastic component can apply corresponding moment of torsion to connecting lever, so that the driving force that moment of torsion and main shaft that elastic component is applied on connecting lever are applied on connecting lever combines, make a concerted effort with reference to after by the corresponding divide-shut brake action of connecting lever traction moving contact progress, so as on the basis of simple main shaft drives connecting lever, add the elastic force that elastic component is applied on connecting lever, reduce the actuating force needed for connecting lever push-and-pull moving contact action process, so that the separating brake and/or feed motion of Direct Action Type earthed switch are time saving and energy saving.
Description
Technical field
A kind of Direct Action Type earthed switch the present invention relates to operating mechanism and using the operating mechanism.
Background technology
At present, as the raising that network system is required device security, the increasing user of in the market require switch
In cabinet earthed switch possess it is stronger close the ability of short circuit current, and possess short-circuit making capability on existing market and with air
Moving contact of grounding switch as dielectric is essentially all rotating knife chip, or part is carried out in this basic model
Improve, such earthed switch " indoor high-voltage electric grounding switch " as disclosed in China Patent No. 200810162375.2, this connects
Ground switch adds motor drive mechanism to existing most common rotating knife chip earthed switch, and security is improved, but
Without departing from the basic framework of rotating knife chip earthed switch.Blade type earthed switch is due to contact shape, and electric field pole is not
Uniformly, partial discharge phenomenon is frequently present of in gate-dividing state, reduces overall security reliability.And closing short circuit current mistake
Cheng Zhong, because electric field inequality can cause too early prebreakdown between contact, arc time length, caused energy is larger, plus rotation
Contact of the formula moving contact with static contact is to be transitioned into linear contact lay by a contact, causes contact ablation uneven, above-mentioned several factors
Cause existing rotating knife chip earthed switch short circuit making capability poor, the situation for test failure blast often occur.
Chinese patent literature 201320825258.6 discloses a kind of solid insulation direct acting earthed switch, including earthed switch
Static contact, moving contact of grounding switch, housing, solid insulation cylinder, static contact of grounding switch are fixed on solid insulation tube inner chamber body, connect
Ground switch static contact carries arcing contact, possesses earth short circuit current making capability；Solid insulation cylinder is placed in housing, and earthed switch moves
Contact is also placed in housing, and moving contact of grounding switch is stretched into solid insulation cylinder, is disconnected with being realized with static contact of grounding switch
Or closure；The housing is solid insulating material or metal material.Opened when operating solid insulation Direct Action Type ground connection of the present invention
When putting row combined floodgate into, rotating operating handle, moving contact of grounding switch is driven along solid by the linkage in housing
The guide ring of insulating cylinder bottom is moved upward in the cavity in solid insulation cylinder, when bar-shaped or tubulose moving contact of grounding switch
The plum blossom openend of static contact of grounding switch is inserted, the short circuit current in current loop, which instantaneously closes, produces the huge electricity of energy
Arc, air-flow caused by the short circuit current electric arc is drained into the internal cavities in housing by internal gas passageways, then by pacifying
Pressure relief device on solid housing is drained into ambient atmosphere, is moved so as to complete the static contact of grounding switch with earthed switch
After contact is mutually closed, function that electric loop is grounded by moving contact of grounding switch.But in the folding of the direct acting earthed switch
During lock, the linear motion up and down of moving contact fully relies on the actuating force realization that manpower is applied to operation handle, so not only
The time needed for direct acting earthed switch switching process can be lengthened so that the switching operation of direct acting earthed switch is slow, and
The physical demands of operating personnel can be increased so that the switching operation of direct acting earthed switch is laborious.In addition, opened in direct acting ground connection
After closing lock, influenceed by moving contact of grounding switch self gravitation, moving contact of grounding switch has the trend of whereabouts, and trend ground connection is moved
The connecting lever of contact lower end connection falls therewith, will so cause moving contact of grounding switch and static contact of grounding switch to disengage, automatically
Separating brake, i.e. the direct acting earthed switch need to continue to confining force that "on" position could be kept after combined floodgate, otherwise will be opened in ground connection
Close automatic brake separating in the presence of moving contact is conducted oneself with dignity so that whole direct acting earthed switch can not maintain "on" position, can not ensure straight
The normal use of dynamic earthed switch.
The content of the invention
It is an object of the invention to provide a kind of behaviour for the Direct Action Type earthed switch for reducing the actuating force needed for moving contact action
Motivation structure, while present invention also offers a kind of Direct Action Type earthed switch using the operating mechanism.
In order to realize the above object the technical scheme of operating mechanism is as follows in the present invention：
Operating mechanism, including around main shaft of the horizontal-extending axis rolling assembling in frame, spin-ended be assemblied on main shaft
Connecting lever and the guide that is assemblied in along overhanging direction guiding movement on connecting lever projecting end, connecting lever pass through guide and cut with scissors with moving contact
Connect, connecting lever, moving contact form the biasing slider waveguide rod for drawing moving contact by the pitching of connecting lever and moving up and down in frame
Mechanism, it is connected with connecting lever for applying the moment of torsion of upward pushing tow moving contact, and/or in separating brake mistake to connecting lever in making process
Apply the elastic component of the moment of torsion of traction moving contact downwards in journey to connecting lever.
Elastic component is the cylindrically coiled spring being connected between connecting lever and frame, and one end of cylindrically coiled spring passes through first
Spring base is hinged on connecting lever, the other end is hinged in frame by second spring seat, the hinge of the first spring base and main shaft
Axle center is arranged at intervals.
It is defined on connecting lever drive moving contact and puts between the hinge of the axle center of main shaft during in-place closing and the first spring base
Line be closing position line, connecting lever drive the moving contact bottom to separating brake in place when the axle center of the main shaft and hinge of the first spring base
Line between point is sub-gate position line, and the hinge of second spring seat is between closing position line and sub-gate position line.
The distance of the hinge of second spring seat to sub-gate position line is less than the distance to closing position line.
The hinge of first spring base is offset to guide and moved linearly on connecting lever the side in direction.
Main shaft is provided with hand-operated structures and electric transmissio mechanism, and electric transmissio mechanism includes the transmission being connected on main shaft
Part and the double rolling key clutch being connected between driving member and motor.
The technical scheme of Direct Action Type earthed switch is as follows in the present invention：
Direct Action Type earthed switch, including frame and the operating mechanism that assembles thereon, operating mechanism are included around horizontal-extending
Main shaft of the axis rolling assembling in frame, the spin-ended connecting lever being assemblied on main shaft and being assemblied in along overhanging direction guiding movement turns
Guide on arm projecting end, connecting lever are hinged by guide and moving contact, and connecting lever, moving contact form in frame and pass through connecting lever
The biasing slider waveguide rod mechanism that moves up and down of pitching traction moving contact, be connected with connecting lever in making process to
Connecting lever applies the moment of torsion of upward pushing tow moving contact, and/or applies the moment of torsion of traction moving contact downwards to connecting lever during separating brake
Elastic component.
Elastic component is the cylindrically coiled spring being connected between connecting lever and frame, and one end of cylindrically coiled spring passes through first
Spring base is hinged on connecting lever, the other end is hinged in frame by second spring seat, the hinge of the first spring base and main shaft
Axle center is arranged at intervals.
It is defined on connecting lever drive moving contact and puts between the hinge of the axle center of main shaft during in-place closing and the first spring base
Line be closing position line, connecting lever drive the moving contact bottom to separating brake in place when the axle center of the main shaft and hinge of the first spring base
Line between point is sub-gate position line, and the hinge of second spring seat is between closing position line and sub-gate position line.
Main shaft is provided with hand-operated structures and electric transmissio mechanism, and electric transmissio mechanism includes the transmission being connected on main shaft
Part and the double rolling key clutch being connected between driving member and motor.
Elastic component is connected with the present invention on connecting lever, so during switching, as connecting lever drives moving contact relative
Moved up and down in static contact, elastic component can apply corresponding moment of torsion to connecting lever so that elastic component be applied to moment of torsion on connecting lever and
The driving force that main shaft is applied on connecting lever combines, and makes a concerted effort to move by the corresponding divide-shut brake of connecting lever traction moving contact progress with reference to after
Make, so as on the basis of simple main shaft drives connecting lever, add the elastic force that elastic component is applied on connecting lever, reduce and turn
Actuating force needed for arm push-and-pull moving contact action process so that the separating brake and/or feed motion of Direct Action Type earthed switch are time saving
It is laborsaving.
Further, elastic component is the cylindrically coiled spring being connected between connecting lever and frame, the one of cylindrically coiled spring
End is hinged on connecting lever by the first spring base, the other end is hinged in frame by second spring seat, the hinge of the first spring base
The axle center of point and main shaft is arranged at intervals, and the hinge of second spring seat is between closing position line and sub-gate position line.Closing a floodgate
During separating brake, incipient stage, the actuating moment of torsion and elastic component that main shaft is applied on connecting lever is applied to the elasticity torsion on connecting lever
Square is reverse, until when axle center, the hinge of the first spring base and the hinge of second spring seat of main shaft are in same straight line, bullet
Property part will be in dead-centre position, no longer will apply moment of torsion to connecting lever, and if continuing live spindle, elastic component is applied on connecting lever
Elastic torque the actuating moment of torsion being applied to main shaft on connecting lever is in the same direction, to pass through the release of elastic potential energy in elastic component, band
Dynamic connecting lever quick rotation, this is allowed for no matter in making process, or during separating brake, and elastic component can be accelerated accordingly
The power of moving contact, while reduce the actuating force that main shaft is applied on connecting lever, so as to further such that Direct Action Type earthed switch
Point, feed motion it is time saving and energy saving.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the embodiment of the Direct Action Type earthed switch of the present invention under gate-dividing state；
Fig. 2 is dimensional structure diagram of the Direct Action Type earthed switch after top panel is removed in Fig. 1；
Fig. 3 is Fig. 1 right view；
Fig. 4 is front view of the Direct Action Type earthed switch under "on" position in the present invention；
Fig. 5 is the relative position schematic diagram of connecting lever and spring in Direct Action Type earthed switch in the present invention.
Embodiment
The embodiment of Direct Action Type earthed switch in the present invention：As shown in Figures 1 to 5, the Direct Action Type earthed switch is a kind of
The Direct Action Type electric ground switch of the high short-circuit making capability used in 12kV-40.5kV distribution switchgear assemblies field, it is main
To be made up of support insulator 1, frame 2, contact assembly 3, operating mechanism 4, the part of motor drive mechanism more than 5.Stationary contact in contact assembly 3
Head is fixed on the top of frame 2 by support insulator 1, and moving contact is assemblied in frame 2 by operating mechanism 4 in contact assembly 3
Bottom, moving contact vertically linear reciprocation can move under the driving of operating mechanism 4, and motor drive mechanism 5 be connected
On the power intake of operating mechanism 4, with to operating mechanism 4 apply driving its action driving force.
The Direct Action Type earthed switch is threephase switch, and moving contact and static contact are three phase separation in the contact assembly 3 of each phase
Formula, the structure per phase is essentially identical, is described below exemplified by single-phase.Frame 2 is mainly by rear board 21, top panel 22, side
Plate 23 and bottom plate 24 form, and the frame 2 causes the good appearance of whole Direct Action Type earthed switch, and play protection operating personnel's peace
It is complete and fixed and the effect such as other components is installed.The inside of support insulator 1 is provided with charged display device, and peace is fixed in one end
Mounted in the top of rear board 21, the other end support be connected static contact static side connect cutter hub, rise support static contact, insulation against ground and
The effect of powered display.Contact assembly 3 is mainly made up of connection conductor 31, static contact 32, guide sleeve 33 and moving contact 34, is moved and is touched
First 34 pump under the limitation of guide sleeve 33 along vertical lines, by the connection with static contact 32 and separate realization directly
Dynamic formula earthed switch divides, closed a floodgate.Operating mechanism 4 mainly by second spring seat 41, spring 42, the first spring base 43, connecting lever 44,
Guide runner 45, grounding shaft 46 and main shaft 47 form, and the effect of operating mechanism 4 is the input transmission by motor actuating force and manpower
Onto spring 42 and moving contact 34, realize moving contact 34 point, feed motion, grounding shaft 46 be earth conductor, pass through flexible cord etc.
Electric connection mode is by the reliable ground of three-phase moving contact 34.Motor drive mechanism 5 by motor 51, one-level little gear 52, one-level gear wheel 53,
Double rolling key clutch 54, two level little gear 55 and two level gear wheel 56 are formed, and two level gear wheel 56 is fixed on main shaft 47, electricity
The input torque of machine 51 is delivered on main shaft 47 by the gear-driven deceleration of two-stage；The effect of double rolling key clutch 54 is to make
Obtaining the two-way input of motor 51 can drive main shaft 47 to be rotated, and during the conduct driving shaft of main shaft 47, double rolling key clutch
54 separate the transmission of main shaft 47 and single-stage, and main shaft 47 is unable to drive motor 51 and moves, and realize electronic and manually operated reliable
Separation, and reverse drive motor 51 during Direct Action Type earthed switch rapid closing is avoided, because double rolling key clutch 54 is
Market standard product, compared to the existing clutch specially designed, in the present embodiment the drive mechanism of motor drive mechanism 5 it is simple, zero
Number of components is few, operational reliability is high.
In frame 2, the rear end of connecting lever 44 is fixed on main shaft 47 the axis rolling assembling that main shaft 47 extends around left and right, with
Connecting lever 44 is set to be assemblied in by main shaft 47 around the axis pitching that left and right extends in frame 2, and the front end of connecting lever 44 overhangs
Before main shaft 47, the projecting end of connecting lever 44 offers the guide groove extended along overhanging direction, and guide groove interior edge overhanging direction is oriented to
Slidable fit guide runner 45, guide runner 45 are respectively arranged on the left side and the right side columned bearing pin, so that the guide runner 45
It can be rotated again around the axis that left and right extends in the overhanging direction guiding movement of guide groove interior edge connecting lever 44, and moving contact 34
The top of guide runner 45 is fixed on, the top of moving contact 34 is oriented to slip by guide sleeve 33 and is installed on frame along the vertical direction
Above 2 on plate 22, moved so that moving contact 34, connecting lever 44 are formed in frame 2 by the pitching traction of connecting lever 44
Single biasing slider waveguide rod mechanism that contact 34 moves up and down.The upper end of spring 42 is hinged in frame 2 by second spring seat 41,
The axis rolling assembling that second spring seat 41 is extended around left and right by the second hinge 411 is in frame 2；The lower end of spring 42 passes through
First spring base 43 is hinged on the rear end of connecting lever 44, and first hinge 431 of first spring base 43 in the rear end of connecting lever 44, which is offset to, to turn
The top in the overhanging direction of arm 44.When pendulum is steeved to limit position on connecting lever 44, moving contact 34 also closes a floodgate under the pushing tow of connecting lever 44 and arrived
Position, the line for defining the now hinge 431 of axle center 471 and first of main shaft 47 is closing position line 61；The bottom of connecting lever 44 is bent down
During limit position, also separating brake in place, defines the hinge of axle center 471 and second of now main shaft 47 to moving contact 34 under the traction of connecting lever 44
411 line is sub-gate position line 62.Second hinge 411 is between closing position line 61 and sub-gate position line 62, and second
The distance of hinge 411 to sub-gate position line 62 is less than the distance of closing position line 61.
First spring base 43 is T-shaped pedestal, wherein the both wings bearing pin of the first spring base 43 distinguishes rolling assembling in frame 2
On riser between side plate 23 and biside plate 23, belly vertical rod be installed among spring 42, and belly vertical rod is flexible along spring 42
Direction guiding movement is installed in second spring seat 41.
Connection conductor 31 lower surface is provided with static contact 32, and static contact 32 is cylinder flap, and inside is left for moving contact 34
The hole of insertion.During open position, because static contact 32 is that cylindric and lower end has compared with Rouno Cormer Pregrinding Wheel, the upper end of moving contact 34 is bulb
And the upper face of top panel 22 is plane so that the ground connection fracture formed between static contact 32 and moving contact 34, top panel 22
Electric field is more existing, and earthed switch is more uniform, reduces the possibility for producing shelf depreciation, increases the security of earthed switch.This reality
The making process for applying Direct Action Type earthed switch in example is：Under motor 51 or manpower driving, main shaft 47 rotates clockwise, and drives solid
The connecting lever 44 being scheduled on main shaft 47 rotates clockwise, while passes through bearing pin compression spring 42, after spring 42 crosses dead point, spring 42
Elastic potential energy be released, drive the quick rotation of connecting lever 44；There is an elongate pin with the bottom that moving contact 34 is connected in connecting lever 44
Poroid guide groove, the upper end of guide runner 45 is fixedly connected with moving contact 34, lower end can be slided in guide groove, moving contact 34
Upper end is enclosed in the guide sleeve 33 being fixed in frame 2, and the structure causes the rotation of connecting lever 44 to be converted into moving contact 34
Rectilinear movement, driving 34 quick straight line of moving contact move completion and closed a floodgate upwards, and during the elastic potential energy release of spring 42,
Motor 51 powers off under program control, while under the protection of double rolling key clutch 54, the quick rotation of main shaft 47 will not
Being delivered to motor 51 can not.In making process, because the end face of static contact 32 and moving contact 34 is fillet surface so that ground connection
The electric fields uniform of fracture, at the same at the lower end fillet of static contact 32 321 and moving contact 34 upper end fillet at 341 use arc resistant
The copper-tungsten of ablation, the moving contact 34 at electric fields uniform causes Direct Action Type earthed switch when closing short circuit current prebreakdown moment
The distance between static contact 32 is smaller, reduces arcing test specimen, reduces the infringement of arc energy, added using copper-tungsten tactile
The anti-yaw damper ability of head, plus the aspectant relative motion mode of moving contact in linear motion 34 and static contact 32, electricity
Arc is more uniform in the ablation of contact surface, and above-mentioned technological means make it that Direct Action Type earthed switch has stronger in the present embodiment
Close the ability of short circuit current.With making process on the contrary, repeating no more during separating brake.Simultaneously because Direct Action Type in the present embodiment
The integral layout of earthed switch is compact, and width is smaller, especially suitable for side-mounted switch cubicle, or applied in other switch cubicles
Slender space in.
In other embodiments, dynamic and static contact upper end can also use the material of other arc resistant ablations, in no short circuit
On the earthed switch of making capability requirement, dynamic and static contact can also integrally use common conductive material.
In the above-described embodiments, spring is cylindrically coiled spring, in other embodiments, the spring can also be tower spring,
Torsion spring etc., tower spring is consistent with the installation site of cylindrically coiled spring, and the first hinge of lower spring end can also be in connecting lever
On overhanging direction；And spring is when being torsion spring, torsion spring can only unidirectionally press connecting lever, i.e., torsion spring can only a mistake in separating brake and in closing a floodgate
Journey provides power-assisted, applies resistance in another process, and now torsion spring can be fit directly on main shaft, i.e., in main shaft and connecting lever
Between installation to apply corresponding moment of torsion.
The embodiment of operating mechanism in the present invention：Actuating machine in the structure of operating mechanism and above-described embodiment in the present embodiment
The structure of structure is identical, therefore repeats no more.
Claims (5)
1. operating mechanism, including around main shaft of the horizontal-extending axis rolling assembling in frame, spin-ended be assemblied on main shaft
Connecting lever and the guide being assemblied in along overhanging direction guiding movement on connecting lever projecting end, connecting lever are cut with scissors by guide and moving contact
Connect, connecting lever, moving contact form the biasing slider waveguide rod for drawing moving contact by the pitching of connecting lever and moving up and down in frame
Mechanism, it is characterised in that be connected with connecting lever in making process to connecting lever apply upward pushing tow moving contact moment of torsion and
Apply the elastic component of the moment of torsion of traction moving contact downwards to connecting lever during separating brake, elastic component for be connected to connecting lever and frame it
Between cylindrically coiled spring, one end of cylindrically coiled spring is hinged on connecting lever by the first spring base, the other end is by second
Spring base is hinged in frame, and the hinge of the first spring base and the axle center of main shaft are arranged at intervals, and is defined on connecting lever and is driven moving contact
Upper pendulum to the line between the hinge of the axle center of main shaft during in-place closing and the first spring base is closing position line, is driven in connecting lever
The moving contact bottom to separating brake in place when the axle center of main shaft and the hinge of the first spring base between line be sub-gate position line, second
The hinge of spring base is between closing position line and sub-gate position line, during switch closing and switch opening, the axle center of main shaft, first
When the hinge of spring base and the hinge of second spring seat are in same straight line, cylindrically coiled spring is in dead-centre position, second spring
The distance of the hinge of seat to sub-gate position line is less than the distance to closing position line.
2. operating mechanism according to claim 1, it is characterised in that the hinge of the first spring base is offset to guide and turned
The side in rectilinear movement direction on arm.
3. operating mechanism as claimed in any of claims 1 to 2, it is characterised in that main shaft is provided with manually operated knot
Structure and electric transmissio mechanism, electric transmissio mechanism include the driving member being connected on main shaft and drive connection in driving member and motor
Between double rolling key clutch.
4. Direct Action Type earthed switch, including frame and the operating mechanism that assembles thereon, operating mechanism are included around horizontal-extending axle
Main shaft of the line rolling assembling in frame, the spin-ended connecting lever being assemblied on main shaft and it is assemblied in connecting lever along overhanging direction guiding movement
Guide on projecting end, connecting lever are hinged by guide and moving contact, and connecting lever, moving contact are formed in frame by connecting lever
The biasing slider waveguide rod mechanism that pitching traction moving contact moves up and down, it is characterised in that be connected with connecting lever for closing
Apply the moment of torsion of upward pushing tow moving contact to connecting lever during lock and apply traction moving contact downwards to connecting lever during separating brake
Moment of torsion elastic component, elastic component is the cylindrically coiled spring being connected between connecting lever and frame, one end of cylindrically coiled spring
It is hinged on by the first spring base on connecting lever, the other end is hinged in frame by second spring seat, the hinge of the first spring base
It is arranged at intervals with the axle center of main shaft, is defined on connecting lever drive moving contact and puts to the axle center of main shaft during in-place closing and the first spring
Line between the hinge of seat be closing position line, the connecting lever drive moving contact bottom to separating brake in place when main shaft axle center and the
Line between the hinge of one spring base is sub-gate position line, and the hinge of second spring seat is in closing position line and sub-gate position connects
Between line, during switch closing and switch opening, the hinge in the axle center of main shaft, the hinge of the first spring base and second spring seat is in same
During one straight line, cylindrically coiled spring is in dead-centre position, and the distance of hinge to the sub-gate position line of second spring seat is less than to conjunction
The distance of lock position line.
5. Direct Action Type earthed switch according to claim 4, it is characterised in that main shaft is provided with hand-operated structures and electronic
Transmission mechanism, electric transmissio mechanism include the driving member being connected on main shaft and are connected double between driving member and motor
To freewheel clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215166.XA CN104835674B (en) | 2015-04-30 | 2015-04-30 | A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215166.XA CN104835674B (en) | 2015-04-30 | 2015-04-30 | A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104835674A CN104835674A (en) | 2015-08-12 |
| CN104835674B true CN104835674B (en) | 2017-12-22 |
Family
ID=53813493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510215166.XA Active CN104835674B (en) | 2015-04-30 | 2015-04-30 | A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104835674B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513849B (en) * | 2016-01-27 | 2018-06-08 | 温州盛川机电制造有限公司 | Earthing switch |
| CN108630482B (en) * | 2017-03-21 | 2024-02-20 | 厦门华电开关有限公司 | Operating mechanism of grounding switch |
| CN107170624B (en) * | 2017-05-24 | 2019-03-22 | 句容市福润电气有限公司 | A kind of swing type indoor hv earthing switch |
| CN107039208B (en) * | 2017-05-24 | 2019-06-11 | 句容市福润电气有限公司 | A kind of easy indoor hv earthing switch |
| CN107644776A (en) * | 2017-11-03 | 2018-01-30 | 黄在先 | A kind of Direct Action Type earthed switch |
| CN108493017B (en) * | 2018-05-21 | 2019-12-20 | 江苏泓光轨道设备有限公司 | Change-over switch group for railway switch machine |
| CN109360760A (en) * | 2018-11-22 | 2019-02-19 | 镇江市丹高电器有限公司 | Direct Action Type electric ground switch |
| CN109638700A (en) * | 2018-12-31 | 2019-04-16 | 芜湖金牛电气股份有限公司 | Low-tension switch cabinet and its working method |
| CN114512365B (en) * | 2020-11-16 | 2024-04-05 | 河南平芝高压开关有限公司 | Three-phase common box type quick grounding switch |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006051474A1 (en) * | 2006-10-31 | 2008-05-08 | Siemens Ag | Residual Current Device |
| FR2959592B1 (en) * | 2010-04-28 | 2012-11-09 | Areva T & D Ag | GROUND DISCONNECT WITH REDUCED SIZE |
| CN202103359U (en) * | 2011-06-15 | 2012-01-04 | 无锡双力电力设备有限公司 | Grounding switch used for switch device |
| CN102709100B (en) * | 2012-05-16 | 2013-12-11 | 平高集团有限公司 | Three-station isolating grounding switch |
| CN104134558B (en) * | 2013-07-16 | 2016-12-28 | 国家电网公司 | Disconnecting switch and earthed switch interlocking method and implement the interlock of the method |
| CN103500671B (en) * | 2013-10-19 | 2015-07-22 | 国家电网公司 | Indoor high-voltage electric grounding switch |
| CN204130376U (en) * | 2014-07-08 | 2015-01-28 | 天津平高智能电气有限公司 | A kind ofly transmission mechanism and the switchgear of rectilinear motion will be converted into |
| CN204178950U (en) * | 2014-11-03 | 2015-02-25 | 成都宣扬电器有限公司 | A kind of Novel direct-acting earthed switch mechanism |
| CN204215945U (en) * | 2014-11-24 | 2015-03-18 | 国家电网公司 | A kind of isolation circuit breakers earthed switch |
| CN204289120U (en) * | 2014-12-25 | 2015-04-22 | 上海西屋投资有限公司 | A kind of grounding knife switch of superpower making capability of manual/automatic integratedization |
| CN204696022U (en) * | 2015-04-30 | 2015-10-07 | 国家电网公司 | Operating mechanism and use the Direct Action Type earthed switch of this operating mechanism |
-
2015
- 2015-04-30 CN CN201510215166.XA patent/CN104835674B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104835674A (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104835674B (en) | A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism | |
| CN204696022U (en) | Operating mechanism and use the Direct Action Type earthed switch of this operating mechanism | |
| CN204102789U (en) | Piston type isolating switch | |
| CN207458830U (en) | A kind of new isolation for cable branch box, earthing switch | |
| CN203607266U (en) | Electric mechanism of locking device of disconnector for high voltage switch cabinet | |
| CN206819920U (en) | A kind of disconnecting switch control device | |
| CN202905516U (en) | Medium voltage switch cabinet interlocking mechanism | |
| CN201611625U (en) | Isolating switch with earthing function | |
| CN208781766U (en) | A kind of operating mechanism of solid insulation isolating switch | |
| CN208781770U (en) | A kind of operating mechanism device of solid-state insulated switchgear | |
| CN204046040U (en) | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter | |
| CN110265255B (en) | Anti-interlock and switch board thereof | |
| CN203690152U (en) | Breaker | |
| CN206758857U (en) | The preceding Xiamen reverse interlocking structure of KYN28 high-tension switch cabinets | |
| CN205487909U (en) | Vacuum load switch of looped netowrk cabinet | |
| CN204480952U (en) | A kind of outdoor AC high-voltage isolating switch | |
| CN204480951U (en) | A kind of outdoor AC high-voltage isolating switch | |
| CN204857548U (en) | Fuse auxiliary earth transmission | |
| CN210273289U (en) | PT arrester handcart | |
| CN204103338U (en) | There is the unit switch of two isolation features | |
| CN204102779U (en) | With the isolating switch of wedge shape seal | |
| CN203631395U (en) | High-speed grounding switch of high-voltage composite electric appliance | |
| CN203179715U (en) | Isolating switch | |
| CN204289161U (en) | A kind of switch cubicle | |
| CN204651234U (en) | A kind of fixed five-prevention operation mechanism of QH2 type mesohigh |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |