CN207117291U - A kind of dual-power transfer switch - Google Patents
A kind of dual-power transfer switch Download PDFInfo
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- CN207117291U CN207117291U CN201720301072.9U CN201720301072U CN207117291U CN 207117291 U CN207117291 U CN 207117291U CN 201720301072 U CN201720301072 U CN 201720301072U CN 207117291 U CN207117291 U CN 207117291U
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- front door
- support
- rear door
- dual
- linkage
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Abstract
The utility model discloses a kind of dual-power transfer switch, middle part is provided with the support of vertical beam, two L-type busbar integral type insulation contact boxes for being respectively fixedly disposed at cradle top both sides, the supporting mechanism of insulation contact box includes the column for being fixedly installed on insulation contact box bending part, it is arranged on the elevating mechanism of the vertical beam both sides of support, driven in translation formula protection mechanism, described insulation valve includes be arrangeding in parallel and by the front door and Rear Door of asynchronous or incorgruous translation in the same direction during the rack drives for being secured to connection, and mechanical chain mechanism.Executing agency is arranged on liftable supporting plate by the utility model, take full advantage of height space, simplify actuating mechanism, the front door and Rear Door that the utility model is set using mobile and time interval is led to, using the front and rear form stacked, effectively save the design space of valve, realize that drive mechanism minimizes, it is rational in infrastructure, the action control translated using front door and Rear Door by handcart intermittent driving, realize overlapping corresponding to through hole or stagger, security is effectively ensured, realize succinct, reliable in action.
Description
Technical field
Double power supply converting switch equipment and its switch cubicle technical field are the utility model is related to, is lifted more particularly to one kind
The dual-power transfer switch that formula executing agency can remove.
Background technology
As market is particularly important negative to electric power system continuity requirement more and more higher, known distribution technique field
Lotus, typically all to be powered using double loop power supply, dress changes electrical equipment and also occurred therewith dual power supply automatically, because of voltage insulation issue, power supply
Automatic conversion is all carried out in the low-pressure side of electric power system substantially, however, supply load is increasing, currently known technology, low pressure
Dual power supply changes electrical equipment maximum switching current as 6300A, and maximum conversion capacity is 4500KW, can not meet that big load is important
The requirement in power supply place, high voltage power supply switching turn into technology trends, and prior art typically all uses two high-voltage switch gears
Cabinet mode, floor space is big, is difficult to realize mechanical chain, and fault rate is higher, thus design it is a kind of in high pressure integration from turn
It is very necessary to change switch.
The content of the invention
The purpose of this utility model is to be directed to technological deficiency present in prior art, and provides a kind of lift and perform machine
Structure can be with withdraw-type dual power supply.
Technical scheme is used by realize the purpose of this utility model：
A kind of dual-power transfer switch, including
Middle part is provided with the support of vertical beam,
Two L-type busbar integral type insulation contact boxes for being respectively fixedly disposed at cradle top both sides, insulation contact box
Supporting mechanism includes the column for being fixedly installed on insulation contact box bending part,
Be arranged on the elevating mechanism of the vertical beam both sides of support, described elevating mechanism include can vertical lifting supporting plate, hinge
Two below the supporting plate support arms in splayed Boulez are connected on, is connected with described support arm lower end and is fixedly connected with support
Bottom rail road, and the ball screw type driving of the described supporting plate lifting of direct drive or the described support arm lower end folding of driving
Unit, carry 3 side line-outgoing type poles, corresponding executing agency respectively on the supporting plate described in two and carry it
Handcart,
Driven in translation formula insulate valve protection mechanism, it include being fixedly installed on described in supporting plate side and horizontal-extending
Set bar, it is rotatably fixed the sector for being arranged on support and being provided with the guide groove matched with described set bar
Wheel, and connection and the rack being fixedly connected with insulation valve are engaged with described sector gear,
Described insulation valve include be arranged in parallel and by be secured to connection rack drives when in the same direction it is asynchronous or
The front door and Rear Door of incorgruous translation, through hole corresponding with main bus-bar is respectively arranged with described front door and Rear Door,
At open position, front door and Rear Door are driven positioned at the position of through hole correspondence, at closed position, before described
Door-plate and Rear Door are driven asynchronous mobile in the same direction, and the through hole of front door and Rear Door, which staggers, is sealed through hole without hole site with utilizing
Close；
Mechanical chain mechanism, it include slidably or be rotatably arranged in one of executing agency and with its main shaft
Or operating mechanism or the pushing block of main contact linkage；The link gear being arranged on vertical beam, described link gear include with it is removable
It is arranged on dynamicly on vertical beam and with the initiative part of described pushing block phase separation, the linkage portion being connected with described initiative part；
It can interfere with described linkage portion and be vertically situated at the push rod of actuator top, described push rod and described execution machine
Back-moving spring is provided between structure and lower end inserted when being acted on by linkage portion inside and its is locked.
The supporting mechanism of described insulation contact box also includes the rear column for being fixedly installed on insulation contact box rear end, connection
The side shield of column and rear column, be fixedly connected with described side shield supporting described insulation contact box horizontal part
Bottom support bar, and the bearing diagonal being fixedly connected with the vertical portion of described insulation contact box, described bearing diagonal are included with touching
The side connecting plate that the vertical portion of head cartridge is fixedly connected, both ends are bolted to connection with described side connecting plate and column respectively
Oblique connecting rods.
Two described support arm lower ends are locked from into its separated retaining mechanism, described support arm lower end be provided with
The sliding block of described bottom Orbit Matching is to realize described support arm lower end being slidably matched with respect to bottom rail road, described retaining mechanism
Including being fixedly installed on the sliding block and the strip ratchet of direction along ng a path extension, the rotatable fixation of opposite brackets and with institute
Spine corresponding to the ratchet stated refers to, and described spine can be driven to refer to synchronous outwardly or inwardly overturn so that it keeps or disengaging and spine
The control lever of tooth contact.
Described retaining mechanism includes the swingle along described bottom orbital direction extension, is arranged on described swingle
At least one pair of tight lock part, locking or release of the tight lock part to support arm lower end can be realized by rotating described swingle.
Described sector gear includes the big pitch radius sector gear being coaxially disposed and small pitch radius sector gear, preceding
Door-plate and Rear Door respectively with big pitch radius sector gear and the rack of small pitch radius sector gear engagement connection with it is corresponding
Be fixedly connected to realize asynchronous driving in the same direction, described guide groove includes front slide section and middle linkage section, in set bar
Action component can drive sector gear to rotate when linking section in centre, sector gear can not be driven to rotate in advancing slip moved end, institute
Shifting is provided between support respectively on the inside of front door and the Rear Door horizontal translation driven stated, described front door and Rear Door
Supporting mechanism is moved, is propped up on described side connecting plate medial surface formed with multigroup be oriented to corresponding with described front door and Rear Door
Support groove.
Described front door and the drive mechanism of Rear Door include connecting with described the fixing with front door or Rear Door of difference
Connect or be integrally formed and along moving direction extend rack, be correspondingly arranged with described rack and different-diameter or with two teeth
Bar meshed gears, and the drive division of the gear rotation described in driving simultaneously.
Described link gear include be slidably disposed on vertical beam and with the active rack of described pushing block phase separation,
The linkage rack for being slidably disposed on vertical beam and being connected with described active rack by idler gear, and set
Resetting-mechanism at the top of linkage rack between vertical beam, described push rod are fixedly connected with described linkage rack.
Described link gear include can relative vertical beam slide or rotation and with active sliding block, with described active sliding block
The catenating slider being connected by chain, transmission rope or push rod, described push rod are fixedly connected with described catenating slider.
The rotating disk being connected with described spindle drive is set on described executing agency's lateral surface, and described pushing block passes through
Rail slider mechanism is arranged in the executing agency, and described pushing block is connected with rotating disk by link transmission, and described pushing block is used
To promote the link gear of the mechanical chain mechanism with locked corresponding executing agency.
Be provided with limiting section in the front end of described supporting plate or side, the trailing flank of described limiting section for upper side edge to
The inclined-plane of preceding protrusion, formed with the docking section matched with described limiting section, the front side of described docking section on described handcart
Face is corresponding with described inclined-plane domatic, and described limiting section is joined directly together by wire and earth point.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is in view of the shortcomings of the prior art, invent a kind of withdraw-type integration automatic conversion electric elements, structure
Rationally, using modularized design, executing agency is arranged on liftable supporting plate by withdraw-type vacuumizing mechanism, fully profit
With height space, actuating mechanism is simplified, the utility model uses the front door for leading to the setting of mobile and time interval with after
Door-plate, using the front and rear form stacked, the design space of valve is effectively saved, realizes that drive mechanism minimizes, rational in infrastructure, profit
The action control translated with front door and Rear Door by handcart intermittent driving, realize overlapping corresponding to through hole or stagger, effectively protect
Security is demonstrate,proved, realizes succinct, reliable in action.Busbar integral coating inside insulator, is utilized insulator pair by the utility model
Busbar realizes positioning and insulation, improves safety in utilization, and busbar is directly connected to end of incoming cables and leading-out terminal, with as described in
Busbar is integrally formed or is welded to connect, and reduces threaded connection, the insulation processing difficulty of junction is reduced, especially by busbar with entering
Line end is being poured into a mould after being connected with leading-out terminal, natural that junction is screened wherein, reduces post-processing difficulty, is improved reliable
Property.
Brief description of the drawings
Fig. 1 show the positive structure diagram of dual-power transfer switch of the present utility model；
Fig. 2 show the internal structure side view of the dual-power transfer switch shown in Fig. 1；
Fig. 3 show the structure schematic side view of busbar integral type insulation contact box of the present utility model；
Fig. 4 show the schematic perspective view of the structure of busbar integral type insulation contact box of the present utility model；
Fig. 5 show front door plate structure schematic diagram；
Fig. 6 show valve mechanism side view；
Fig. 7 show the structural representation of elevating mechanism of the present utility model；
Fig. 8 show the side structure schematic view shown in Fig. 7；
The action schematic diagram that Fig. 9 show ratchet and spine refers to；
Figure 10 show limiting section and docking section structural representation.
Figure 11 show executing agency's off-state on the left of the mechanical chain mechanism of dual power supply device of the present utility model
Structural representation.
Figure 12 show executing agency's combined floodgate state on the left of the mechanical chain mechanism of dual power supply device of the present utility model
Structural representation.
Figure 13 show the link gear schematic diagram of supporting plate and sector gear.
Figure 14 show the A portions close-up schematic view shown in Fig. 8,
Figure 15 show the B portions close-up schematic view shown in Fig. 8.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description only to explain the utility model, is not used to limit the utility model.
As shown in figures 1-13, a kind of dual-power transfer switch of the present utility model, including middle part are provided with the branch of vertical beam 11
Frame 1, corresponding two busbar integral type insulation contact boxes for being fixedly installed on both sides, is arranged on the elevating mechanism of support both sides two,
It is arranged on the supporting plate of described elevating mechanism and carries multiple side line-outgoing type poles 70 and the handcart of executing agency, movement is opened
Box-like high-voltage isulation valve, and the two group mechanical interlock mechanisms chain for realizing Liang Ge executing agencies；Described busbar one
Body formula insulation contact box includes three interval Boulezs and insulated body coats busbar 81,82,83 therein, is correspondingly arranged at respectively
The end of incoming cables 84 exposed in the self-insulating body in described busbar both ends and outer end and leading-out terminal 85, and it is corresponding with described end of incoming cables
Set and be integrally formed or be fixedly connected with described insulator correspondingly with described side outlet pole, such as bonding is touched
Head cartridge 86；Leading-out terminal exposes the bulk outside insulator for outer face, is provided with to the connecting hole with cable connection, institute
The end of incoming cables 84 stated is similarly the tabular for exposing outside insulator and extending preset distance to be realized as static contact and moving contact
Electrical connection.Wherein, described insulator is glass fibre or epoxy resin or other insulating materials, busbar and described insulator
Formed by integrally casting or other modes carry out clad type processing.
Described elevating mechanism includes the supporting plate 2 of the driven vertical lifting of opposite brackets 1, is hinged on two of middle part below supporting plate
The individual support arm 3 in splayed Boulez, the bottom for being connected with the described lower end of support arm 3 and being fixedly connected with the horizontal part 12 of support
Track 13, and two described support arm lower ends are locked from into its separated retaining mechanism.Support arm lower end and bottom rail road
Cooperation can use various ways, the cooperation of such as embedded roller and groove, and achievable support arm lower end is with respect to bottom rail road along its axle
To movement.
Wherein, described support arm lower end is provided with the sliding block 31 of described bottom Orbit Matching to realize under described support arm
The relative bottom rail road in end being slidably matched, if bottom rail road be slide rail, the be hinged sliding block matched with described slide rail in support arm lower end, and utilization
The mating connection of bottom rail road and support arm lower end, when supporting plate lift, two support arm lower ends relative to reverse sync movement, that is, close up or
Separate, lower end locking can be ensured that blade position does not change using retaining mechanism when rising to predetermined altitude.
It is arranged on described supporting plate and carries multiple side line-outgoing type poles and the handcart of executing agency, by executing agency
It is arranged on liftable supporting plate, while is the operation of guiding handcart, walking trough 21 is provided with described supporting plate.Fully profit
With height remaining space, the requirement of cabinet longitudinal direction depth is effectively reduced, its environmental suitability is improved, simplifies actuating mechanism,
Moreover, be that executing agency and its linkage from top to bottom, described executing agency are fixedly installed on handcart when ensureing supporting plate lifting,
Described supporting plate both sides or end set limited location portion 40, in the dual-power transfer switch electric supply installation using close to operator side as
Afterwards, so that away from fore side, before, the trailing flank of described limiting section is the inclined-plane that upper side edge protrudes forward, shape on described handcart
The docking section 50 of limiting section matching described in Cheng Youyu, the leading flank of described docking section is slope corresponding with described inclined-plane
Face.I.e. limiting section and docking section are formed formed with the mechanism plugged while effectively realizing and be accurately positioned on vertical plane
Related interference, you can pull downward on handcart and synchronously move down, the fluency of raising action, meanwhile, supporting plate limiting section wire
It is joined directly together with the earth point of elevating mechanism, meets ground protection requirement, it is ensured that processing safety.
Described driven in translation formula protection mechanism includes being fixedly installed on described supporting plate side and horizontal-extending linkage
Pin, is rotatably fixed the sector gear for being arranged on support and being provided with the guide groove matched with described set bar,
And connection and the rack being fixedly connected with insulation valve are engaged with described sector gear,
It is described be translated apart box-like insulation valve 100 include be arrangeding in parallel and it is driven when it is asynchronous in the same direction or reversely same
The front door 91 and Rear Door 92 of translation are walked, is respectively arranged with described front door and Rear Door and main bus-bar and bus ranking
Through hole 93 that is corresponding and allowing contact to pass through is put, wherein, described front door and Rear Door are in integrally zigzag structure, are wrapped respectively
Head slab and L-type side plate that is integrally formed with described head slab or being fixedly connected are included, being provided with head slab can
Matching allows the through hole walked for contacting first 71 of side line-outgoing type pole upper end, is led to contact the contact box 94 of head and main bus-bar
On-off is opened, L-type through hole is provided with L-type side plate be correspondingly arranged at the end of tilting section 73 and with the contact box of bus bar 90
The action of corresponding lower contact 72, the stroke of L-type side plate is realized using L-type through hole.Front door and Rear Door regard specific operating mode
The translation of any direction can be carried out, such as horizontally or vertically translation driven.When needing to connect, that is, contact first 71 and main bus-bar
Contact box 94 turn on, the conducting of the contact box of lower contact 72 and bus bar 90 when, i.e., pole and main bus-bar and bus on supporting plate
During row's conducting, the front door and Rear Door of the side are driven positioned at the position of through hole correspondence, now contact head on pole
The through hole of overlapping state on front door and Rear Door is passed through to be connected with main bus-bar or with bus bar with lower contact, when needing to disconnect,
When contacting head with main bus-bar disconnection, lower contact and bus bar disconnection, described front door and Rear Door movement driven are with general
Through hole, which staggers, realizes the closing in space residing for main bus-bar and bus bar, i.e., the through hole on front door and the plate of Rear Door two is staggered sets
Put and effectively formed the completely masking to main bus-bar and bus bar connection end.Described front door and Rear Door are interval
Set, described front door and Rear Door are stainless steel plate body or insulation board.
Wherein, described side line-outgoing type pole can be used disclosed in Chinese patent CN106024499A, do not repeated again herein.
Mechanical chain mechanism include slidably or be rotatably arranged in one of executing agency and with its main shaft or
Operating mechanism or the pushing block of main contact linkage；The link gear being arranged on vertical beam, described link gear are included with may move
Ground is arranged on vertical beam and with the initiative part of described pushing block phase separation, the linkage portion being connected with described initiative part；With
Described linkage portion can interfere and be vertically situated at the push rod of actuator top, described push rod and described executing agency
Between be provided with back-moving spring and lower end inserted when being acted on by linkage portion inside and its is locked.The locked position of push rod is execution
The connecting rod rear portion of mechanism rotating shaft, the rotational action of connecting rod, effectively prevents executing agency by false touch when prevention button is pressed.Using connection
Dynamic portion presses down on described push rod, and action control is more smooth.
Busbar integral coating inside insulator, positioning and insulation is realized to busbar using insulator by the utility model,
Safety in utilization is improved, and busbar is directly connected to end of incoming cables and leading-out terminal, is such as integrally formed or is welded with described busbar
Connection, threaded connection is reduced, the insulation processing difficulty of junction is reduced, after especially busbar is connected with end of incoming cables and leading-out terminal
Poured into a mould, it is natural that junction is screened wherein, post-processing difficulty is reduced, improves reliability.The utility model will perform
Mechanism is arranged on liftable supporting plate, takes full advantage of height space, simplifies actuating mechanism, and the utility model, which uses, to lead to
The front door and Rear Door that mobile and time interval is set, using the front and rear form stacked, effective design space for saving valve,
Realize that drive mechanism minimizes, rational in infrastructure, the action control translated using front door and Rear Door by handcart intermittent driving is real
Show overlapping corresponding to through hole or stagger, security is effectively ensured, realize succinct, reliable in action.
Executing agency is arranged on liftable supporting plate by the utility model, takes full advantage of height space, simplifies dynamic
Make mechanism, moreover, using the linkage of elevating mechanism and front door and Rear Door, realize the same of front door and Rear Door to be driven
Step driving, is easy to integral design, has been improved particularly safety in utilization.The front door set using movement in the same direction and time interval
And Rear Door, stacked and the form of translation using front and rear, effectively save the design space of valve, realize miniaturization, it is rational in infrastructure,
Using front door and Rear Door nonsynchronous action control in the same direction, realize overlapping corresponding to through hole or stagger, safety is effectively ensured
Property, realize succinct, reliable in action.
Specifically, described insulator includes end of incoming cables 810 that is corresponding with end of incoming cables and leading-out terminal and being in angle and gone out
Line end 820.Described angle is acute angle, right angle or the straight angle, and the shape of busbar and insulator can be any adapted shape to improve
Its live adaptability.
By taking 820 Boulez at a right angle of end of incoming cables 810 and leading-out terminal as an example, the width of described leading-out terminal 820 is more than described
The width of end of incoming cables and it is arranged on the two connection panels climbed between electric wall formed with electric wall 821, described leading-out terminal 85 is climbed in both sides
Be correspondingly arranged on 822, on described connection panel on step surface formed with step or inclined face, described leading-out terminal or
In person's inclined plane.
Using the larger leading-out terminal of width and in both sides, electric wall is climbed in setting, while improving insulating properties, because increasing out
The installing space of line end, is operated when being easy to electrically connect with cable, improves ease of use.The especially setting of step, from lower and
On successively forward prominent step subsequently to provide larger operating space and adaptability with the installation of cable.Meanwhile to improve
The insulating properties of three busbars of bending part, the busbar 83 of inner side bend inwards in step-like, and the middle bending part of busbar 82 is inclined
Set, the busbar 81 in outside is right-angle bending, and three is engaged, and while ensureing insulation distance between any two, reduces overall account for
Ground area.
Specifically, it is to be touched with the location and installation in cabinet, the supporting mechanism of insulation contact box including being fixedly installed on insulation
The column 900 of head cartridge bending part, the rear column of insulation contact box rear end is fixedly installed on, connects the side shield of column and rear column
930, be fixedly connected with described side shield supporting the bottom support bar of described insulation contact box horizontal part, and with institute
The bearing diagonal 910 that the vertical portion for the insulation contact box stated is fixedly connected, described bearing diagonal include consolidating with the vertical portion of contact box
Surely the side connecting plate connected, the oblique connecting rods that both ends are bolted to connection with described side connecting plate and column respectively.Together
When in described insulator installation side corresponding with column or bottom support bar formed with corresponding with the support body of positioning framework embedding
Groove 87, using the cooperation of caulking groove, inner side plane is opposed flattened after can guarantee that installation, reduces space hold, meanwhile, described exhausted
Be fixedly installed on edge body be fixedly mounted hole so as to positioning framework bolt connection.Supported using bending part, horizontal part is by bottom branch
Stay, vertical portion by bearing diagonal, each point force it is uniform, reduce the deformation of contact box, and caused by avoiding cage support
Situations such as eddy-current heating, ensure Electrical Safety.
Meanwhile to ensure the movement of insulation valve, described column determines portion formed with avoidance mouth, while in described avoidance
Guide support groove is provided with the internal face of mouth to be oriented to described insulation valve, i.e., the motion of preceding valve and rear valve.
Preferably, fluted 88 are formed between the open side of two described adjacent contact boxs, in the bottom surface of groove
On be provided with connecting bolt, designed using groove type, increase creep age distance, reduce the depth of contact box.It is meanwhile big to coordinate
The contact box of depth, formed with gap 89 so as to the moving contact of pole on the side with pole of described contact mouth open side
Insert and be electrically connected therewith.Described contact box outer surfac covering layer of conductive material or semi-conducting material are resisted with improving electromagnetism
Interference, reduction moving contact and static contact electromagnetic interference external when being switched on or switched off.
Specifically, described lifting coordinated type valve arrangement is used for dual power supply device, is set respectively on supporting plate
There is executing agency etc., described executing agency is such as breaker to connect or disconnect the connection with main bus-bar, meanwhile,
To strengthen support strength, described supporting plate and driving beam vertical portion are L-type, while set reinforcing plate in bottom setting or both sides
To improve bearing capacity, ensure stability and intensity.
Preferably, to ensure the reliability on inclined-plane and domatic contact conduction, on described inclined-plane formed with cavity, described
Cavity in be provided with conductive plate 42, described conductive plate back is provided with spring 41 to be held.Described conductive plate two
Guiding mechanism is provided between side and limiting section, such as links earhole and coordinates with pin.The conduct that can make that holds of contact spring is touched
The conductive plate of head can be protruded from outside inclined-plane and can also flushed with inclined-plane, such normal condition lower inclined plane and domatic can keep good
Conductive contact, when occur vibrations, tilt etc. it is unexpected when, if gap etc. occur in limiting section and docking section, by the top of spring
Hold and remain to keep conducting between limiting section and docking section and the contact resistance with very little, can guarantee that effective grounding.
Wherein, to realize the lifting of supporting plate, the drive mechanism of described supporting plate 2 includes drive rod 4, with described drive rod
The variable-speed motor 5 of drive connection, such as worm and gear, the elevating screw 6 being connected with the output shaft of described variable-speed motor, set thereon
It is equipped with the driving beam 20 of the lifting nut matched with described elevating screw, and corresponding is arranged between driving beam and support
Guiding mechanism, described drive rod drives by handwheel or motor, and described drive rod can be horizontally disposed with or be vertically arranged,
The stable rising of supporting plate, described guiding are realized using drive rod combination variable-speed motor and with elevating screw and lifting nut
Mechanism is the guide rail slide block mechanism being arranged between described driving beam and described support, is provided using straight line rail high-precision
The guiding of degree, ensure traveling comfort.
Wherein, the foldings of two sliding blocks also is directly driven to realize the lifting of supporting plate using screw-nut body, when adopting
When directly driving two support arm lower ends with screw-nut body, described leading screw is left-right turning screw rod, so can both realize two
The incorgruous action of synchronization of support arm lower end, and left-right turning screw rod has more preferable self-locking effect, improves bearing stability.
Wherein described supporting plate is fixedly connected with described driving beam, and described driving beam is L-type, and its bottom sides protrudes
There is horizontal stand, described lifting nut is fixed on described horizontal stand.Beam is driven using L-type, bearing capacity is strong, drives horizontal on beam
To installation supporting plate, ensure stability and intensity
As a preferred scheme, in addition to two described support arm lower ends are locked from into its separated locking machine
Structure, it includes being fixedly installed on the strip ratchet 14 that on the sliding block and direction along ng a path extends, and opposite brackets are rotatable solid
Spine fixed and corresponding with described ratchet refers to 32, and described spine can be driven to refer to synchronous outwardly or inwardly overturn so that it keeps
Or depart from the control lever 33 contacted with ratchet.The cooperation that spine refers to ratchet is realized pins support arm in real time when elevating mechanism rises, i.e.,
Spine refers to forms an one-way locking mechanism with ratchet.The spine refers to ratch mechanism and is similar to ratchet ratchet, and spine of the present utility model refers to
The ratchet being equivalent in ratchet ratchet, the ratchet in the utility model are equivalent to the ratchet after the straight line expansion in ratchet ratchet.
Specifically, using carriage center as inner side, both ends are outside, by ratchet be located at spine refer to top exemplified by carry out it is exemplary
Illustrate, the lateral surface of the tooth of described ratchet is facade or introversion face, i.e. lateral surface upper end inwardly rolls oblique, and medial surface is arc
Face is domatic.The medial surface that spine refers to be domatic or cambered surface to decline when ratchet tooth it is inswept from it, lateral surface and ratchet
Tooth is corresponding to insert between cog, and the lateral surface that such as spine refers to is plane, meanwhile, spine refers to is arranged on support by rotating shaft
On, spine refers to is provided with the elastic mechanisms such as wind spring to keep it to be contacted with the fitting of the lateral surface of the tooth of ratchet between support.Ratchet
Length no more than support arm relative orbit stroke so as to end positions spine refer to rotation reset, using can play whole process protection as
Preferably, it is of course also possible to use a half or thirds end stroke, is protected simultaneously to be provided in peak or neighbouring peak
Locking.Preferably, it is respectively formed with ratchet on the outside of the root portion of outermost ratchet and most on the inside of the root portion of inner side ratchet
Arc recess rotates so that spine refers to.
That is, when the set location that spine refers to is lifts extreme higher position, centered on track middle part, the outermost end of two ratchets
Tooth just refers to holding engagement with spine, and the wind spring between ratchet and support ensures that both effectively contact fitting, realizes firm support.Simultaneously
Can be effectively ensured so can realize that ratchet flips over when drive rod drives, and contact releasing is easy to decline, to realize control lever
Driving spine refers to and synchronously flipped over, the spine described in two refer to it is upper corresponding in the upper and lower part of rotating shaft be respectively arranged with elongated slot,
Described control lever passes through driving lever and described elongated slot links, you can realizes that control lever refers to synchronously inwardly or synchronous outside to spine
Control is rotated, meanwhile, it is additionally provided between control lever and support and is oriented to storehouse, back-moving spring is provided between storehouse is oriented to, is so protected
Card resets rapid.
In lifting process, ratchet moves supporting plate of the present utility model with the sliding block 31 of bottom Orbit Matching, is matched with ratchet
Spine refer to be rotatably fixed and be arranged on the side of bottom rail road 13 and keep interfering with ratchet, ratchet and spine, which refer to, realizes real-time self-locking,
Ensure the supporting role of the support arm 3 of splayed Boulez in lifting process.After supporting plate is giving rise to appropriate location, retaining mechanism moves
Make and two support arms are locked from it separated, retaining mechanism, ratchet, spine refer to realization locking duplicate protection.It is in eight using two
The support arm of font Boulez is supported to supporting plate, the pressure of effectively slow lift drive mechanism, and support force by force and stably, ensures simultaneously
It will not be subjected to displacement, big short circuit current occur or for there is the occasion of vibrations to ensure that support absolute stability is reliable.
Referred to using ratchet spine realize real-time lock while, described retaining mechanism is included along described bottom orbital direction
The swingle of extension, at least one pair of the shaft-like or block tight lock part being arranged on described swingle, rotate described swingle
Locking or release of the tight lock part to support arm lower end can be achieved.Described swingle may be provided under the side or middle part in bottom rail road
Side, directly outwards winding swingle when supporting plate vertical direction move, when supporting plate runs to precalculated position, by swingle cycle, general
The lower end of two support arms is confined among two tight lock parts, that is, forms the spacing of stabilization, can effectively solve feed screw nut is having shake
When dynamic can not good self-locking situation.And by the setting of multipair tight lock part, then realization can be fixed on to any setting height position
Put, be easy to field maintenance or renewal part etc..
Driven in translation formula protection mechanism of the present utility model includes the set bar 200 for being arranged on described supporting plate side, leads to
Cross rotating shaft 320 and be rotatably fixed and be arranged on support and be provided with the guide groove 310 that is matched with described set bar
Sector gear 300, and the rack for engaging connection with described sector gear and being fixedly connected with being translated apart box-like insulation valve
110.Wherein, described guide groove includes being connected and the front slide section of smooth transition and middle linkage section, after preferably also including
Link section, and only when set bar is in middle linkage section, action component can drive sector gear to rotate.That is the specific shape of guide groove
Shape matches with the conducting element direction of motion and mobile size, any intermittent movement can be achieved, the shape of guide groove can be L-type, directly
The wire type either arbitrary shape such as camber line or various curves.
Wherein, front door and Rear Door can carry out the translation of any direction depending on specific operating mode, such as driven horizontal or perpendicular
Straight translation.
The utility model realizes the interval drive that supporting plate treats driving part using two sections of guide groove or multisection type design
It is dynamic, provide translation power using the high-precision drive mechanism of sector gear plus rack, can effective in the opening process of valve,
So as to save space-efficient valve, miniaturization is realized, it is rational in infrastructure, realize succinct, reliable in action.
Specifically, to realize above-mentioned driving, described sector gear includes the big pitch radius sector gear being coaxially disposed
With small pitch radius sector gear, front door and Rear Door respectively with big pitch radius sector gear and small pitch radius sector
The rack of wheel engagement connection is fixedly connected to realize asynchronous driving in the same direction with corresponding.Utilize the fan of two different pitch radius
Shape gear, the different moved furthers in the same direction of front door and Rear Door are realized, realize respective driven in translation.
As another embodiment, the sides adjacent of described front door and Rear Door is provided with linkage rack,
The travelling gear simultaneously engaged is provided between described linkage rack, front door or Rear Door are provided with and described sector
The rack of gear engagement connection., then will be another using one group of sector gear and the one of front door of rack drives or Rear Door
One door-plate links therewith, may be implemented in movement displaying larger in small stroke, is carried for different types of movable translation mode
, can be using the closure designs that stagger for the not high occasion of small space voltage for basis.
Specifically, to reduce the friction of set bar and guide groove, described set bar can be rotatably set in described support
On plate or described set bar and described guide groove contact site are provided with the axle sleeve that can be rotated to it, i.e., by guide groove and
Relative slip between set bar is converted into rolling, safety action fluency.
The front door and Rear Door that the utility model is set using mobile and time interval is led to, using the front and rear shape stacked
Formula, effectively save the design space of valve, realize miniaturization, it is rational in infrastructure, using front door and Rear Door it is asynchronous in the same direction or
Person's reverse sync or reversely asynchronous action control, realize overlapping corresponding to through hole or stagger, security is effectively ensured, and realize
Succinctly, reliable in action.
Preferably, it is the mobility that improves front door and Rear Door, described front door and Rear Door are respectively between support
It is provided with mobile supporting mechanism.As illustrated, described mobile supporting mechanism includes fixing with described front door or Rear Door
The slide rail 96 of connection, the multiple deflector rolls or guide wheel 98 set on the vertical beam 11 of support 1 and in two rows are arranged in correspondence with, it is described
Deflector roll or guide wheel by slide rail clamping position wherein.So that front door and rear board move horizontally as an example, described deflector roll or guide wheel pair
Should be arranged on the both sides up and down of slide rail, while be provided with the lower planes of slide rail corresponding with described deflector roll or guide wheel 98
Guide groove, using two groups of rotatable deflector rolls or guide wheel by guide rail clamping position, utilize the embedding of guide groove and deflector roll or guide wheel
Box-like guiding, positioning, realized for its motion and be oriented to and constrain, support effect is good and mobile steady, effectively meets the normal of equipment
Operation.
Certainly, to realize the translation of front door and Rear Door, also using guide rail slide block mechanism, i.e. described mobile support
Mechanism includes the line slideway being fixedly installed on described support, is accordingly fixedly connected with described front door or Rear Door
And the multiple sliding blocks matched with described line slideway.Meanwhile formed on the medial surface of side connecting plate 890 of supports insulative contact box
There is multigroup guide support groove corresponding with described front door and Rear Door.Front door and Rear Door are designed as into both sides branch
The structure being oriented to is supportted, its mobility and stability are further lifted.
Preferably, it is the smart of the preceding valve of raising and rear valve, exemplified by former valve, described preceding valve includes level
Plate and inverted L shape plate, with being provided with guide rail slide block structure at the top of described side connecting plate, described falls in the outside of described level board
The upper end of L-type plate is fixedly connected with level board, and lower end can be slidingly back and forth in described guide support groove, described level
Support guide is used as in the inner of plate by track roller, using the combination of three kinds of guidance modes, effectively increases motion
Flexibility and controllability.
It is specifically as follows using step,
1) supporting plate is located at lowest order, promotes handcart it is advanced forward along supporting plate, until limiting section is spacing simultaneously by docking section
Handcart is locked with respect to supporting plate；The connection of bottom line is now also completed, while the releasing on inclined-plane ensures during up and down motion
Uniformity；
2) supporting plate is driven to rise, support arm lower end is synchronous to collapse along bottom rail road, and inswept spine refers to the tooth of ratchet one by one；Rising
Cheng Zhong, spine refers to provides lock support in real time with ratchet, and guarantee will not fall phenomenon etc.,
3) supporting plate rises to extreme higher position, stops driving, and spine refers to positioned at the outside of ratchet outermost tooth and held out against, and rotates rotation
Bull stick is locked support arm lower end using tight lock part；Both double locking, locking steadiness is improved,
4) when needing to fall, rotating swingle discharges tight lock part, while promotes control lever to refer to spine and be turned out releasing
With engaging for ratchet；Now spine refers to will not occur any contact with ratchet,
5) driving supporting plate drops to low level, releases the locking of relative supporting plate, pulls out handcart to carry out the behaviour such as maintaining
Make.
Dual power supply device of the present utility model includes two or so spaced executing agencies, and is arranged on two
Interactive Liang Zu mechanical chains mechanism, Liang Zu mechanical chains mechanism on vertical beam between individual executing agency and with Liang Ge executing agencies
It is arranged in correspondence with the side of Liang Ge executing agencies sides adjacent.The mechanical chain mechanism is used in middle-and-high voltage system, and it includes
The pushing block 611 for being disposed therein in an executing agency 61 and being linked with its main shaft can be slided up and down to, can slide up and down to and set
Put on vertical beam and with the active rack 62 of described pushing block phase separation, can slide up and down to be arranged on vertical beam and with it is described
The linkage rack 64 that active rack 62 is connected by idler gear 63, it can interfere with described linkage portion and vertically set
Put the push rod 65 in actuator top, back-moving spring is provided between described push rod and described executing agency and lower end by
Insertion is internal and its is locked when linkage portion acts on.Open may also include simultaneously and be arranged at the top of linkage rack between vertical beam 11
Resetting-mechanism, such as extension spring 66, two groups of mechanical interlocking machines are symmetrical set.The effect of wherein described executing agency is to turn on and broken
Major loop is opened, can be the arbitrarily corresponding part with the function, such as breaker, described push rod and the locked i.e. control of executing agency
ON Action can not be carried out by making it.
Wherein, the active rack of described Liang Zu mechanical chains mechanism and linkage rack are arranged on same solid with vertical beam 11
Surely connect inside and outside support plate 68 or be separately positioned on two support plates being fixedly connected respectively with vertical beam, two-way machinery is even
Lock is separate, and facility is safeguarded in installation, can individually pull down maintenance, with needing chain device for switching to divide as needed
From, do not influence major loop operation, effectively improve equipment safety in utilization.
Specifically, described pushing block has the coupled arm extended to below active rack, and it can hold described active
Gear lower end makes it move upwards, and described linkage rack is vertically arranged executing agency by connecting arm-type linkage portion driving one
On push rod, push rod can be inserted directly into the executing agency and its is locked, so as to realize the mechanical chain of executing agency.Wherein,
To realize that the action of the executing agency in master end exports, described pushing block links with its main shaft or operating mechanism or main contact, connection
Flowing mode can guide by modes such as rotating disk, connecting rods, while by mechanisms such as tracks to the running orbit of pushing block, effectively carry
The fluency of height action output simultaneously ensures the execution of subsequent action.
Above-mentioned is a kind of embodiment using rack pinion as link gear, is linked to realize, as second
Embodiment, link gear includes to slide with respect to vertical beam or rotatable active sliding block, passes through chain with described active sliding block
The catenating slider of bar, transmission rope or push rod drive connection, described push rod are fixedly connected with reality with catenating slider linking arm
Existing push rod vertically or horizontally moves.
As another embodiment, described link gear is transmission levers, and described initiative part and linkage portion are one
Body formula is split type.Described push rod is that linkage portion is fixedly connected to realize the movement of push rod with the driven side of transmission levers.
Mechanical chain mechanism of the present utility model, outside executing agency, strong adaptability, different model can be loaded on
Various forms of executing agencies, the rotation of one actuating mechanism main shaft is converted using link gears such as rack and pinion drive mechanisms
For the driving to push rod, i.e. the feed motion of side executing agency make push rod can inside retraction executing agency a and its is locked,
The back of rotating shaft linked block is such as inserted into, prevents the executing agency of opposite side from completing feed motion, when the executing agency disconnects
When, the constraint to the push rod can be discharged, push rod resets upwards, discharges the locking to the executing agency, realizes Self-resetting.Control letter
One-dimensional shield facility.
Specifically, to realize up and down driving of the main axis to pushing block, on first described executing agency's lateral surface
The rotating disk 612 being connected with described spindle drive is set, and described pushing block is arranged on the first execution machine by rail slider mechanism
On structure, described pushing block and rotating disk are connected by connecting rod 613.Driven using rotating disk plus link-type, larger push away can be obtained
Block stroke, it is easy to Spatial infrastructure, and self-locking can be effectively realized by the setting of rotating disk and connecting rod hinge point, avoids because extension spring
Effect causes combined floodgate side to disconnect.
To realize the movement of active rack and driving rack, while reduce combined floodgate and the resistance of disconnection action, described master
Carry-over bar and linkage rack are arranged on support plate 68 by rail slider mechanism, and described idler gear can be rotatably set in institute
Engaged transmission, described support plate are fixedly connected with vertical beam simultaneously on the support plate stated and with the active rack of both sides and linkage rack.
Rail slider mechanism makes its operation more steady reliable, reduces failure.
Described above is only preferred embodiment of the present utility model, it is noted that for the general of the art
For logical technical staff, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. dual-power transfer switch, it is characterised in that includingMiddle part is provided with the support of vertical beam,Two L-type busbar integral type insulation contact boxes for being respectively fixedly disposed at cradle top both sides, the support of insulation contact box Mechanism includes being fixedly installed on the column of insulation contact box bending part,Be arranged on the elevating mechanism of the vertical beam both sides of support, described elevating mechanism include can vertical lifting supporting plate, be hinged on Two support arms in splayed Boulez below supporting plate, the bottom for being connected with described support arm lower end and being fixedly connected with support Track, and the ball screw type driving of the described supporting plate lifting of direct drive or the described support arm lower end folding of driving are single Member, carry 3 side line-outgoing type poles, corresponding executing agency respectively on the supporting plate described in two and carry its Handcart,Driven in translation formula insulation valve protection mechanism, it includes being fixedly installed on described supporting plate side and horizontal-extending linkage Pin, is rotatably fixed the sector gear for being arranged on support and being provided with the guide groove matched with described set bar, And connection and the rack being fixedly connected with insulation valve are engaged with described sector gear,Described insulation valve includes be arrangeding in parallel and by asynchronous or incorgruous in the same direction during the rack drives for being secured to connection The front door and Rear Door of translation, through hole corresponding with main bus-bar is respectively arranged with described front door and Rear Door, is being beaten During open position, front door and Rear Door are driven positioned at the position of through hole correspondence, at closed position, described front door Driven asynchronous mobile in the same direction with Rear Door, the through hole of front door and Rear Door, which staggers, is closed through hole without hole site with utilizing；Mechanical chain mechanism, it include slidably or be rotatably arranged in one of executing agency and with its main shaft or behaviour Make the pushing block of mechanism or main contact linkage；The link gear being arranged on vertical beam, described link gear include with movably It is arranged on vertical beam and with the initiative part of described pushing block phase separation, the linkage portion being connected with described initiative part；With institute The linkage portion stated can interfere and be vertically situated at the push rod of actuator top, between described push rod and described executing agency Be provided with back-moving spring and lower end inserted when being acted on by linkage portion inside and its is locked.
- 2. dual-power transfer switch as claimed in claim 1, it is characterised in that the supporting mechanism of described insulation contact box is also Rear column including being fixedly installed on insulation contact box rear end, the side shield of column and rear column is connected, with described side shield Be fixedly connected supporting the bottom support bar of described insulation contact box horizontal part, it is and perpendicular with described insulation contact box The bearing diagonal that straight portion is fixedly connected, described bearing diagonal include the side connecting plate being fixedly connected with the vertical portion of contact box, both ends The oblique connecting rods being bolted to connection respectively with described side connecting plate and column.
- 3. dual-power transfer switch as claimed in claim 1, it is characterised in that anti-two described support arm lower ends to be locked Only its separated retaining mechanism, described support arm lower end are provided with the sliding block of described bottom Orbit Matching to realize described branch Arm lower end is slidably matched with respect to bottom rail road, and described retaining mechanism includes being fixedly installed on the sliding block and direction along ng a path The strip ratchet of extension, the rotatable fixation of opposite brackets and spine corresponding with described ratchet refer to, and can drive described Spine refers to synchronous outwardly or inwardly overturn so that it keeps or departed from the control lever contacted with ratchet.
- 4. dual-power transfer switch as claimed in claim 3, it is characterised in that described retaining mechanism is included along described bottom The swingle of orbital direction extension, at least one pair of tight lock part being arranged on described swingle, rotating described swingle can Realize locking or release of the tight lock part to support arm lower end.
- 5. dual-power transfer switch as claimed in claim 2, it is characterised in that described sector gear includes what is be coaxially disposed Big pitch radius sector gear and small pitch radius sector gear, front door and Rear Door respectively with big pitch radius sector gear It is fixedly connected with the rack of small pitch radius sector gear engagement connection with corresponding to realize asynchronous driving in the same direction, it is described Guide groove includes front slide section and middle linkage section, and when set bar is in middle linkage section, action component can drive sector gear Rotate, sector gear can not be driven to rotate in advancing slip moved end, described front door and Rear Door horizontal translation driven are described Be provided with mobile supporting mechanism on the inside of front door and Rear Door between support respectively, on described side connecting plate medial surface formed with Multigroup guide support groove corresponding with described front door and Rear Door.
- 6. dual-power transfer switch as claimed in claim 1, it is characterised in that described front door and the driving machine of Rear Door Structure include with respectively it is described be fixedly connected or be integrally formed with front door or Rear Door and along moving direction extend rack, with Described rack be correspondingly arranged and different-diameter or with two racks meshed gears, and the gear rotation that driving is described simultaneously The drive division turned.
- 7. dual-power transfer switch as claimed in claim 1, it is characterised in that described link gear includes slideably setting Put on vertical beam and with the active rack of described pushing block phase separation, be slidably disposed on vertical beam and with described driving tooth The linkage rack that bar is connected by idler gear, and it is arranged on the resetting-mechanism at the top of linkage rack between vertical beam, institute The push rod stated is fixedly connected with described linkage rack.
- 8. dual-power transfer switch as claimed in claim 1, it is characterised in that described link gear includes can be with respect to vertical beam Slide or rotate and with active sliding block, the linkage being connected with described active sliding block by chain, transmission rope or push rod Sliding block, described push rod are fixedly connected with described catenating slider.
- 9. dual-power transfer switch as claimed in claim 1, it is characterised in that set on described executing agency's lateral surface The rotating disk being connected with described spindle drive, described pushing block is arranged in the executing agency by rail slider mechanism, described Pushing block connected with rotating disk by link transmission, described pushing block is promoting the link gear of the mechanical chain mechanism to lock Executing agency corresponding to dead.
- 10. dual-power transfer switch as claimed in claim 1, it is characterised in that in the front end of described supporting plate or side Be provided with limiting section, the trailing flank of described limiting section is the inclined-plane that upper side edge protrudes forward, on described handcart formed with The docking section of described limiting section matching, the leading flank of described docking section be it is corresponding with described inclined-plane domatic, it is described Limiting section is joined directly together by wire and earth point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301072.9U CN207117291U (en) | 2017-03-24 | 2017-03-24 | A kind of dual-power transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301072.9U CN207117291U (en) | 2017-03-24 | 2017-03-24 | A kind of dual-power transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207117291U true CN207117291U (en) | 2018-03-16 |
Family
ID=61595737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720301072.9U Withdrawn - After Issue CN207117291U (en) | 2017-03-24 | 2017-03-24 | A kind of dual-power transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207117291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959343A (en) * | 2017-03-24 | 2018-04-24 | 天津市先智电气设备有限公司 | A kind of dual-power transfer switch |
-
2017
- 2017-03-24 CN CN201720301072.9U patent/CN207117291U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959343A (en) * | 2017-03-24 | 2018-04-24 | 天津市先智电气设备有限公司 | A kind of dual-power transfer switch |
| CN107959343B (en) * | 2017-03-24 | 2024-03-08 | 天津市先智电气设备有限公司 | Dual-power transfer switch |
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