CN204651766U - Electric power electrical control cubicles safety device - Google Patents
Electric power electrical control cubicles safety device Download PDFInfo
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- CN204651766U CN204651766U CN201520292127.5U CN201520292127U CN204651766U CN 204651766 U CN204651766 U CN 204651766U CN 201520292127 U CN201520292127 U CN 201520292127U CN 204651766 U CN204651766 U CN 204651766U
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- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 35
- 238000002955 isolation Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 12
- 230000008602 contraction Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241001416181 Axis axis Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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Abstract
The utility model discloses a kind of electric power electrical control cubicles safety device, comprise the front and rear panels that correspondence is superimposed together, header board the right and left side is hinged with front side plate respectively by front axle, rear plate the right and left side is hinged with rear side plate respectively by rear axle, the front side plate of homonymy is hinged by the axis parallel with rear axle with front axle with rear side plate, above rear plate, transverse axis is installed, transverse axis is hinged with the location-plate swung around transverse axis, front side plate and rear side plate top are evenly equipped with keeper, location-plate avris is installed with locking member friction tight with keeper positioning lock, header board is provided with handle, rear edges of boards portion is connected with elastic threads, elastic threads end is provided with lockset, header board, rear plate, location-plate is made by insulating material.Rational in infrastructure, reliably can isolate personnel and switch cabinet electrified part after expansion, can reliably isolate personnel and wheelbarrow switch again, versatility is good, can meet different size switch cubicle and use, and use simple, pack up after take up room little.
Description
Technical field
The utility model relates to a kind of electric power electrical control cubicles safety device.
Background technology
Transformer station 10 kV, it is reliable that the many employings of 35kV equipment have insulation property, the high-tension switch cabinet of the advantage such as easy to maintenance, wherein most of switch cubicle needs after by wheelbarrow switch pull-out under maintenance and pressure power-off condition, the charged position of high-tension switch cabinet (as fixed contact) has isolation baffle plate reliably to close, but in part 35kVGBC-35 type high-tension switch cabinet after wheelbarrow switch pull-out, contact manhole appendix is outside exposed, charging equipment can not be ensured reliably to isolate, belong to device to break rules and regulations, violate " electric power safety working regulation " regulation, and the personal safety of serious harm staff.
Whether " electric power safety working regulation " 2.1.9 article regulation: after wheelbarrow switch pull-out, must observe isolation baffle plate and reliably close.4.5.4 article of regulation: in high-tension switch cabinet after wheelbarrow switch pull-out, the baffle plate of isolating charged position is forbidden opening after closing, and arranges that " halt, Keep Clear-High Voltage! " warning sign.
When overhauling and force to have a power failure, after handcart being pulled out, checking whether isolation baffle plate is reliably closed, and as do not closed, must adjust, closing until reliable, operate more loaded down with trivial details, had a strong impact on operating efficiency, finally must hang up warning sign.Owing to not having special xegregating unit, above-mentioned warning sign only can play visual warning function, can not structurally play forced quarantine effect.That is, if when other staff passed by do not notice the warning sign of suspension, still there is the hidden danger closely through the charged position of high-tension switch cabinet and the charged position of false touch high-tension switch cabinet, be difficult to the personal safety of Reliable guarantee relevant staff.
In addition, because the wheelbarrow switch of pull-out does not have special storage equipment and position, generally place it in from the not far passageway of high-tension switch cabinet so that can be time saving and energy saving when needs push wheelbarrow switch push fast.The wheelbarrow switch of pull-out mainly contains the moving contact controlling high-tension switch cabinet power on/off and relevant apparatus, therefore in order to ensure the reliability controlling high-tension switch cabinet power on/off, to ensure that moving contact clean surface, body can not be collided and breakage during storage, foreign matter more can not be had to enter wheelbarrow switch.But owing to not having special the depositing or proterctive equipment of wheelbarrow switch, be placed on upper dust that passageway not only easily falls, other staff passed by between resting period also easily touch wheelbarrow switch, can not ensure integrality and the functional reliability of wheelbarrow switch.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of rational in infrastructure for above-mentioned deficiency, personnel and switch cabinet electrified part reliably can be isolated after expansion, can reliably isolate personnel and wheelbarrow switch again, versatility is good, different size switch cubicle can be met use, and use simple, pack up after take up room electric power electrical control cubicles safety device little.
For solving the problems of the technologies described above, the design feature of this electric power electrical control cubicles safety device is: comprise the front and rear panels that correspondence is superimposed together, header board the right and left side is hinged with front side plate respectively by front axle, rear plate the right and left side is hinged with rear side plate respectively by rear axle, the front side plate of homonymy is hinged by the axis parallel with rear axle with front axle with rear side plate, above rear plate, transverse axis is installed, transverse axis is hinged with the location-plate swung around transverse axis, front side plate and rear side plate top are evenly equipped with keeper, location-plate avris is installed with locking member friction tight with keeper positioning lock, header board is provided with handle, rear edges of boards portion is connected with elastic threads, elastic threads end is provided with lockset, header board, rear plate, location-plate is made by insulating material.
This electric power electrical control cubicles safety device reliably can isolate personnel and switch cabinet electrified part after realizing expansion by telescopic isolation structure, can reliably isolate personnel and wheelbarrow switch again, versatility is good, different size switch cubicle can be met use, and use simple, pack up after take up room little.
Telescopic isolation structure mainly comprise before and after two corresponding arrange front and rear panels, be hinged on front side plate between front and rear panels and rear side plate, and be hinged on the location-plate on rear plate.This electric power electrical control cubicles safety device has three functions substantially: Telescopic, positioning function, the isolation features realized under aforementioned two function combinations.Wherein, front and rear panels are all vertically arranged, and both one in front and one in back corresponding settings.For convenience of describing, before being decided to be in direction, header board place, behind location, rear plate direction, the direction correspondence of both both sides is called left and right.Side plate before header board the right and left side is hinged with one piece respectively by the front axle vertically arranged, like this, front side plate will swing around front axle in horizontal plane.Side plate after the rear plate left and right sides is hinged with one piece respectively by the rear axle vertically arranged, like this, rear side plate will swing around rear axle in horizontal plane.The adjacent avris of the front side plate of homonymy and rear side plate is hinged by the axis correspondence vertically arranged, like this, front and rear panels are just hinged to a ring-type by the front side plate of both sides and rear side plate, for convenience of describing, the circulus of this upper and lower opening are called hinge barrels or hinged pipe or hinge eyes.When front and rear panels are extruded in opposite directions, front side plate and rear side plate freely swing under the hinged effect of front axle, axis and rear axle, that is, front side plate and rear side plate both can swing in the gap between front and rear panels, also can to both outer side oscillations.No matter front side plate and rear side plate inwardly or outwards swing, and front side plate and rear side plate all can more and more closely be superimposed together.When current side plate and rear side plate are superimposed together with minimum angle under the extruding force effect of front and rear panels, front and rear panels are also just superimposed together with minimum spacing.When front and rear panels move in opposite directions, if guided the swaying direction of front side plate and rear side plate, as all swung in the gap between front and rear panels, then, when current side plate and rear side plate are superimposed together with minimum angle, front and rear panels are also superimposed together with minimum spacing.Now, not only distance is the shortest in the lateral direction for whole electric power electrical control cubicles safety device, and distance is also shorter in the longitudinal direction, and the circumferential profile area of whole electric power electrical control cubicles safety device is minimum.For convenience of describing, this mated condition of header board, rear plate, front side plate and rear side plate is called contraction state.
Contrary, when pulling open front and rear panels, namely header board is pulled forward, when rear plate is pulled back, front and rear panels will slowly be separated.In separation process, header board can drive front side plate to move forward, and rear plate can drive rear side plate to move backward.When the separating distance of front and rear panels reaches farthest, front side plate and rear side plate are positioned at or generally within same plane, and that is both angles are 180 degree or close to 180 degree, now both same flat boards of connecting before and after constituting under the connection of axis.For convenience of describing, the front side plate of this state and rear side plate being called " side plate ", this mated condition of header board, rear plate, side plate is called extended configuration.
Rear plate upper end is provided with horizontally disposed transverse axis, and transverse axis is hinged with location-plate, and such location-plate just can swing up and down around transverse axis.When not using, front and rear panels shunk, make it to be in contraction state, now location-plate to naturally droop outside rear plate plate rear namely, for convenience of describing, this state of this electric power electrical control cubicles safety device is claimed to be contraction state or default conditions or storage configuration.In use, by front and rear panels stretch, make it to be in extended configuration, now promote location-plate be turned to aforementioned hinge ring suitable for reading on.Because location-plate avris presses press-fit with header board, front side plate and back plate top surface respectively, therefore location-plate is closed suitable for reading for hinge eyes, this sample electric power electrical control cubicles safety device just constitutes the tubular structure that an airtight end opening suitable for reading opens wide, and is called for short " airtight cylinder ".
In this electric power electrical control cubicles safety device, front side plate and rear side plate top are provided with keeper, and location-plate edge is provided with the locking member corresponding with locating piece position.When location-plate fastens in hinge eyes, locking member just in time fastens on keeper and correspondence is locked together with it, front like this side plate and rear side plate are just relative with location-plate to be respectively locked at together, also just can not swing around front axle, axis and rear axle again, whole airtight cylinder just constitutes the airtight cylinder of the locking state that a structure is fixed, and has opposing external force, realizes the effect of isolation.
Header board is provided with handle, can do holding use when push-and-pull header board, very convenient.The rear plate left and right sides is connected to an elastic threads, and elastic threads end is provided with lockset.
This electric power electrical control cubicles safety device has two kinds of usings method, first talks about the first using method below.When overhauling switch cubicle or power on/off operates, first the handle held on door of switch cabinet pulls open door of switch cabinet and is pulled out by wheelbarrow switch, then this electric power electrical control cubicles safety device to be moved to outside cabinet door and wheelbarrow switch and to be adjusted to " airtight cylinder ", again two cover elastic threads and lockset correspondence elastically wrapped and are locked on cabinet door handle and wheelbarrow switch handle, just being covered up completely by " sealing drum " between such cabinet door and wheelbarrow switch.Insulating material is all had to make owing to forming the header board of " airtight cylinder ", rear plate, front side plate, rear side plate and location-plate, therefore above-mentioned arrange after serve the effect of other people and switch cabinet electrified part of isolation, also played and isolated other people and the effect of currentless part, effectively ensure that other people personal safety and the reliably complete of equipment.Because elastic threads has retractility, therefore can elastic extension in a big way, " airtight cylinder " can be fixedly connected with improve versatility on different switch cubicle.
The second using method " airtight cylinder " is directly shifted onto the vacancy that switch cubicle formed by hauling out because of wheelbarrow switch, and make the header board of " airtight cylinder " be introduced into this vacancy, and the handle then elastically wrapping adjacent cabinet door with elastic threads and lockset is locked.Because " airtight cylinder " can not enter above-mentioned vacancy completely, therefore the rear plate of evagination will be clamped in vacancy under the elastic force effect of elastic threads, effectively ensure that other people more can not cannot touch live part near switch cubicle, effectively ensure that the fail safe of maintenance and power on/off operation.
The first using method can play the effect of isolation live part, also can play the effect of currentless part on protection wheelbarrow switch, use during being adapted at power failure operation.And the second using method only has the buffer action to live part, use when being applicable to overhauling switch cubicle, particularly use during rival car switch maintenance.
During isolation end-of-job, first lockset is unlocked and airtight cylinder is shifted out, then start location-plate airtight cylinder is unlocked and is adjusted to contraction state, then two elastic threads are entangled in whole hinge eyes periphery, and lock by two lockset correspondences or be locked on header board handle, so just serve hinge eyes elastic locking, fixing effect, reduce area occupied, be convenient to deposit.
As a kind of implementation, described keeper comprises at least two location holes be arranged on the plate top surface of front and at least two location holes be arranged on the plate top surface of back, and described locking member comprises the alignment pin being distributed on location-plate avris and coordinating with the upper and lower plug-in mounting of location hole.
When location-plate fastens in hinge eyes, correspondence is inserted in the location hole in hinge eyes by the alignment pin on location-plate, so just serve the effect front side plate and rear side plate being relatively fixed in the horizontal direction location-plate edge, therefore front side plate and rear side plate are under the locking effect of alignment pin and location hole, can not move in horizontal plane peripheral direction, also just ensure that the structural stability of hinge eyes on horizontal plane direction.Because alignment pin and location hole only to have in horizontal plane locking effect on all around direction or position-limiting action and do not have locking effect or the position-limiting action of above-below direction, therefore when starting location-plate, location hole and alignment pin just unlock, location-plate and hinge eyes also just unlock, when depressing location-plate, location hole and alignment pin are with regard to locking, location-plate and hinge eyes, also with regard to locking, operate very simple.Location hole on front side plate and rear side plate is at least set to two, and when can avoid only having a location hole, the dancing of front side plate and rear side plate, fundamentally ensure that the reliability of locking.
As another kind of implementation, described keeper comprises at least two reference columns being arranged at least two reference columns on the plate top surface of front and being arranged on the plate top surface of back, and described locking member comprises and is distributed on location-plate avris and reference column upper and lower sleeve assembles the location notch closed.
Adopt reference column and the locking mechanism of location notch and the locking mechanism of operation principle and employing location hole and alignment pin and operation principle similar, no longer carefully state at this.
As improvement, transverse axis is also hinged with the shutter rotated around transverse axis, shutter can parallelly with location-plate be superimposed together, and shutter is made up of insulating material.
On transverse axis after hinged shutter, can lift above wheelbarrow switch in the first using method of this electric power electrical control cubicles safety device, and supported by the currentless part of wheelbarrow switch, so not only can isolate from top to switch cubicle live part and currentless part, and serve the effect of blocking wheelbarrow switch currentless part, also ensure that the spatter property of wheelbarrow switch.
As further improvement, header board inside upper part is rotatablely equipped with worm screw, worm screw outer end is extended header board and is installed with crank, also support is installed inside header board, support is rotatablely equipped with rotating shaft, rotating shaft is installed with the worm gear coordinated with worm-drive, rotating shaft is wound with insulation stay cord, location-plate is provided with two rollers arranged side by side coordinated that to roll with stay cord, stay cord end is fixedly connected with shutter through two roller gaps.
Header board is rotatablely equipped with worm screw, two sides before and after the through header board of worm screw, worm screw outer end is connected with crank, therefore can drive worm screw forward or reverse by rotating crank.Be provided with support inside header board, support is rotatablely equipped with rotating shaft, rotating shaft is installed with the worm gear coordinated with worm screw, therefore worm gear will drive rotating shaft synchronous axial system under worm drive.Rotating shaft is wound with stay cord, and stay cord will do kinking or unwrapping wire action under the drive of rotating shaft.Location-plate is provided with through hole, is provided with two rollers be arranged side by side in through hole, and axial line and the transverse axis axis parallel of roller are arranged.Stay cord end is fixedly connected with shutter through behind the gap two rollers, and therefore rolling with roller in the middle part of stay cord coordinates, and reduces frictional force, and like this, crank just constitutes transmission matching relationship with shutter by turbine and worm and stay cord.When airtight cylinder is in locking state, stay cord turns to gearing and shutter to form to rotate transmission matching relationship by roller and transverse axis.When driving crank to rotate forward, rotating shaft starts to be wound around stay cord, and now drive shutter is slowly put by stay cord on transverse axis.When shutter is lifted to higher than wheelbarrow switch currentless part, airtight cylinder is pushed outside between door of switch cabinet and wheelbarrow switch, to make shutter move to above wheelbarrow switch, realize the isolation and protection effect above to live part and currentless part.When real work, more than can being rotated forward by reversion crank bottom shutter or continuation according to actual conditions, put shutter.Because worm gear does not have the function driving worm screw to rotate, therefore when unclamping handle, stay cord will be automatically locked upon calling a subroutine.After hours, before the airtight cylinder of unblock, first reverse crank, slowly restored by shutter, and then unlock airtight cylinder.By operating rocker handle, can the lifting of far distance controlled shutter, a people just can operate, very convenient.
As further improvement, the universal wheel of band self-locking is installed bottom front and rear panels.
Can conveniently move this electric power electrical control cubicles safety device after universal wheel is set, after moving into place, by the self-locking mechanism carried, universal wheel can be locked, so just serve the effect of location this electric power electrical control cubicles safety device, very convenient.
As improvement, the sides adjacent of the front side plate of homonymy and rear side plate be installed with to both extrude when axis launches coordinate with both expanded angles are carried out spacing in positive stop strip, the sides adjacent of front side plate and header board is installed with and when front axle launches, extrudes cooperation to carry out spacing front limit bar to both expanded angles to both, and the sides adjacent of rear plate and rear side plate is installed with and when rear axle launches, extrudes cooperation to carry out spacing rear positive stop strip to both expanded angles to both.
The effect of front limit bar, middle positive stop strip and rear positive stop strip is set, when front side plate and rear side plate swing around front axle, axis and rear axle, carry out spacing to the pendulum angle of front side plate and rear side plate, during such extended configuration, the position relationship of header board, front side plate, rear side plate and rear plate is exactly relatively-stationary.The benefit of such setting is exactly, after by front and rear panels, front and back are pulled open dorsad, front side plate and rear side plate, front side plate and header board, rear side plate and rear plate automatic moulding, therefore location-plate is directly fastened on the hinge eyes location-plate that can realize suitable for reading to lock the correspondence of hinge eyes, without the need to aiming at and check and correction, operate very simple.
As improvement, front side plate is vertical with header board spacing, and front side plate is concordant with rear side plate spacing, and rear side plate is vertical with rear plate spacing.
Front side plate is vertical with header board spacing, front side plate is concordant with rear side plate spacing, rear side plate vertical with rear plate spacing after, the hinge eyes of extended configuration will be rectangular tubular in cross section, the quick locking being so not only conducive to location-plate and hinge eyes coordinates, also better appearance in appearance.
In sum, adopt the electric power electrical control cubicles safety device of this structure, rational in infrastructure, personnel and switch cabinet electrified part reliably can be isolated after expansion, can reliably isolate personnel and wheelbarrow switch again, versatility is good, can meet different size switch cubicle and use, and use simple, pack up after take up room little.
Accompanying drawing explanation
By reference to the accompanying drawings the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model contraction state;
Fig. 2 is the structural representation of Fig. 1 partial perspective;
Fig. 3 is the partial enlargement structural representation of Fig. 2;
Fig. 4 is the structural representation of the utility model extended configuration;
Fig. 5 is the structural representation of the utility model right part;
Fig. 6 is the structural representation that each portion of the utility model coordinates;
Fig. 7 is the structural representation of the airtight cylinder of the utility model;
Fig. 8 is the structural representation that the utility model shutter coordinates with airtight cylinder;
Structural representation when Fig. 9 is wheelbarrow switch pull-out switch cubicle;
Figure 10 is the structural representation that the utility model is installed to switch cubicle and wheelbarrow switch side;
Figure 11 is the structural representation that the utility model is installed to switch cubicle and wheelbarrow switch both sides;
Figure 12 is the fit structure schematic diagram after the utility model is inserted to switch cubicle vacancy;
Figure 13 is the structural representation of embodiment two.
Embodiment
Embodiment one
As shown in the figure, this electric power electrical control cubicles safety device comprises the header board 1 and rear plate 2 that correspondence is superimposed together, and header board 1 the right and left side is hinged with front side plate 4 respectively by front axle 3, and rear plate the right and left side is hinged with rear side plate 6 respectively by rear axle 5.The front side plate 4 of homonymy is hinged by the axis 7 parallel with rear axle with front axle with rear side plate.Above rear plate 2, transverse axis 8 is installed, transverse axis is hinged with the location-plate 9 swung around transverse axis.Front side plate and rear side plate top are evenly equipped with keeper 10, and location-plate avris is installed with the friction tight locking member 11 with keeper positioning lock.Header board is provided with handle 12, and rear edges of boards portion is connected with elastic threads 13, and elastic threads end is provided with lockset 14, and header board, rear plate, location-plate are made by insulating material.
This electric power electrical control cubicles safety device has three functions substantially: Telescopic, positioning function, the isolation features realized under aforementioned two function combinations.Wherein, front and rear panels are all vertically arranged, and both one in front and one in back corresponding settings.For convenience of describing, before being decided to be in direction, header board place, behind location, rear plate direction, the direction correspondence of both both sides is called left and right.Side plate before header board the right and left side is hinged with one piece respectively by the front axle vertically arranged, like this, front side plate will swing around front axle in horizontal plane.Side plate after the rear plate left and right sides is hinged with one piece respectively by the rear axle vertically arranged, like this, rear side plate will swing around rear axle in horizontal plane.The adjacent avris of the front side plate of homonymy and rear side plate is hinged by the axis correspondence vertically arranged, like this, front and rear panels are just hinged to a ring-type by the front side plate of both sides and rear side plate, for convenience of describing, the circulus of this upper and lower opening are called hinge barrels or hinged pipe or hinge eyes.When front and rear panels are extruded in opposite directions, front side plate and rear side plate freely swing under the hinged effect of front axle, axis and rear axle, that is, front side plate and rear side plate both can swing in the gap between front and rear panels, also can to both outer side oscillations.No matter front side plate and rear side plate inwardly or outwards swing, and front side plate and rear side plate all can more and more closely be superimposed together.When current side plate and rear side plate are superimposed together with minimum angle under the extruding force effect of front and rear panels, front and rear panels are also just superimposed together with minimum spacing.When front and rear panels move in opposite directions, if guided the swaying direction of front side plate and rear side plate, as all swung in the gap between front and rear panels, then, when current side plate and rear side plate are superimposed together with minimum angle, front and rear panels are also superimposed together with minimum spacing.Now, not only distance is the shortest in the lateral direction for whole electric power electrical control cubicles safety device, and distance is also shorter in the longitudinal direction, and the circumferential profile area of whole electric power electrical control cubicles safety device is minimum.For convenience of describing, this mated condition of header board, rear plate, front side plate and rear side plate is called contraction state.
Contrary, when pulling open front and rear panels, namely header board is pulled forward, when rear plate is pulled back, front and rear panels will slowly be separated.In separation process, header board can drive front side plate to move forward, and rear plate can drive rear side plate to move backward.When the separating distance of front and rear panels reaches farthest, front side plate and rear side plate are positioned at or generally within same plane, and that is both angles are 180 degree or close to 180 degree, now both same flat boards of connecting before and after constituting under the connection of axis.For convenience of describing, the front side plate of this state and rear side plate being called " side plate ", this mated condition of header board, rear plate, side plate is called extended configuration.
Rear plate upper end is provided with horizontally disposed transverse axis, and transverse axis is hinged with location-plate, and such location-plate just can swing up and down around transverse axis.When not using, front and rear panels shunk, make it to be in contraction state, now location-plate to naturally droop outside rear plate plate rear namely, for convenience of describing, this state of this electric power electrical control cubicles safety device is claimed to be contraction state or default conditions or storage configuration.In use, by front and rear panels stretch, make it to be in extended configuration, now promote location-plate be turned to aforementioned hinge ring suitable for reading on.Because location-plate avris presses press-fit with header board, front side plate and back plate top surface respectively, therefore location-plate is closed suitable for reading for hinge eyes, this sample electric power electrical control cubicles safety device just constitutes the tubular structure that an airtight end opening suitable for reading opens wide, and is called for short " airtight cylinder ".
In this electric power electrical control cubicles safety device, front side plate and rear side plate top are provided with keeper, and location-plate edge is provided with the locking member corresponding with locating piece position.When location-plate fastens in hinge eyes, locking member just in time fastens on keeper and correspondence is locked together with it, front like this side plate and rear side plate are just relative with location-plate to be respectively locked at together, also just can not swing around front axle, axis and rear axle again, whole airtight cylinder just constitutes the airtight cylinder of the locking state that a structure is fixed, and has opposing external force, realizes the effect of isolation.
Header board is provided with handle, can do holding use when push-and-pull header board, very convenient.The rear plate left and right sides is connected to an elastic threads, and elastic threads end is provided with lockset.
This electric power electrical control cubicles safety device has two kinds of usings method, first talks about the first using method below.When overhauling switch cubicle 40 or power on/off operates, first the handle 43 held on door of switch cabinet 41 pulls open door of switch cabinet and is pulled out by wheelbarrow switch 45, then this electric power electrical control cubicles safety device to be moved to outside cabinet door 41 and wheelbarrow switch 45 and to be adjusted to " airtight cylinder ", again two cover elastic threads 13 and lockset 14 correspondence elastically wrapped and are locked on cabinet door handle 43 and wheelbarrow switch handle, just being covered up completely by " sealing drum " between such cabinet door and wheelbarrow switch.Insulating material is all had to make owing to forming the header board of " airtight cylinder ", rear plate, front side plate, rear side plate and location-plate, therefore above-mentioned arrange after serve the effect of other people and switch cabinet electrified part of isolation, also played and isolated other people and the effect of currentless part 42, effectively ensure that other people personal safety and the reliably complete of equipment.Because elastic threads has retractility, therefore can elastic extension in a big way, " airtight cylinder " can be fixedly connected with improve versatility on different switch cubicle.
As shown in figure 12, the second using method " airtight cylinder " is directly shifted onto the vacancy that switch cubicle 40 formed by hauling out because of wheelbarrow switch, and make the header board of " airtight cylinder " be introduced into this vacancy, the handle then elastically wrapping adjacent cabinet door 41 with elastic threads and lockset is locked.Because " airtight cylinder " can not enter above-mentioned vacancy completely, therefore the rear plate of evagination will be clamped in vacancy under the elastic force effect of elastic threads, effectively ensure that other people more can not cannot touch live part near switch cubicle, effectively ensure that the fail safe of maintenance and power on/off operation.
The first using method can play the effect of isolation live part, also can play the effect of currentless part 44 on protection wheelbarrow switch, use during being adapted at power failure operation.And the second using method only has the buffer action to live part, use when being applicable to overhauling switch cubicle, particularly use during rival car switch maintenance.
During isolation end-of-job, first lockset is unlocked and airtight cylinder is shifted out, then start location-plate airtight cylinder is unlocked and is adjusted to contraction state, then two elastic threads are entangled in whole hinge eyes periphery, and lock by two lockset correspondences or be locked on header board handle, so just serve hinge eyes elastic locking, fixing effect, reduce area occupied, be convenient to deposit.
In the present embodiment, keeper 10 comprises at least two location holes be arranged on the plate top surface of front and at least two location holes 15 be arranged on the plate top surface of back, and described locking member comprises the alignment pin 16 being distributed on location-plate avris and coordinating with the upper and lower plug-in mounting of location hole.When location-plate fastens in hinge eyes, correspondence is inserted in the location hole in hinge eyes by the alignment pin on location-plate, so just serve the effect front side plate and rear side plate being relatively fixed in the horizontal direction location-plate edge, therefore front side plate and rear side plate are under the locking effect of alignment pin and location hole, can not move in horizontal plane peripheral direction, also just ensure that the structural stability of hinge eyes on horizontal plane direction.Because alignment pin and location hole only to have in horizontal plane locking effect on all around direction or position-limiting action and do not have locking effect or the position-limiting action of above-below direction, therefore when starting location-plate, location hole and alignment pin just unlock, location-plate and hinge eyes also just unlock, when depressing location-plate, location hole and alignment pin are with regard to locking, location-plate and hinge eyes, also with regard to locking, operate very simple.Location hole on front side plate and rear side plate is at least set to two, and when can avoid only having a location hole, the dancing of front side plate and rear side plate, fundamentally ensure that the reliability of locking.
Transverse axis is also hinged with the shutter 19 rotated around transverse axis, shutter can parallelly with location-plate be superimposed together, and shutter is made up of insulating material.On transverse axis after hinged shutter, can lift above wheelbarrow switch in the first using method of this electric power electrical control cubicles safety device, and supported by the currentless part of wheelbarrow switch, so not only can isolate from top to switch cubicle live part and currentless part, and serve the effect of blocking wheelbarrow switch currentless part, also ensure that the spatter property of wheelbarrow switch.
Header board inside upper part is rotatablely equipped with worm screw 20, worm screw outer end is extended header board and is installed with crank 21, inside header board, support 22 is also installed, support is rotatablely equipped with rotating shaft 23, rotating shaft is installed with the worm gear 24 coordinated with worm-drive, rotating shaft is wound with insulation stay cord 25, location-plate is provided with two rollers 26 arranged side by side coordinated that to roll with stay cord, stay cord end passes two roller gaps and is fixedly connected with shutter.Header board is rotatablely equipped with worm screw, two sides before and after the through header board of worm screw, worm screw outer end is connected with crank, therefore can drive worm screw forward or reverse by rotating crank.Be provided with support inside header board, support is rotatablely equipped with rotating shaft, rotating shaft is installed with the worm gear coordinated with worm screw, therefore worm gear will drive rotating shaft synchronous axial system under worm drive.Rotating shaft is wound with stay cord, and stay cord will do kinking or unwrapping wire action under the drive of rotating shaft.Location-plate is provided with through hole, is provided with two rollers be arranged side by side in through hole, and axial line and the transverse axis axis parallel of roller are arranged.Stay cord end is fixedly connected with shutter through behind the gap two rollers, and therefore rolling with roller in the middle part of stay cord coordinates, and reduces frictional force, and like this, crank just constitutes transmission matching relationship with shutter by turbine and worm and stay cord.When airtight cylinder is in locking state, stay cord turns to gearing and shutter to form to rotate transmission matching relationship by roller and transverse axis.When driving crank to rotate forward, rotating shaft starts to be wound around stay cord, and now drive shutter is slowly put by stay cord on transverse axis.When shutter is lifted to higher than wheelbarrow switch currentless part, airtight cylinder is pushed outside between door of switch cabinet and wheelbarrow switch, to make shutter move to above wheelbarrow switch, realize the isolation and protection effect above to live part and currentless part.When real work, more than can being rotated forward by reversion crank bottom shutter or continuation according to actual conditions, put shutter.Because worm gear does not have the function driving worm screw to rotate, therefore when unclamping handle, stay cord will be automatically locked upon calling a subroutine.After hours, before the airtight cylinder of unblock, first reverse crank, slowly restored by shutter, and then unlock airtight cylinder.By operating rocker handle, can the lifting of far distance controlled shutter, a people just can operate, very convenient.
In the present embodiment, transverse axis 8 is rotatablely equipped with auxiliary wheel 39, auxiliary wheel 39 presses to roll with stay cord 25 and coordinates.When driving crank to pass through stay cord 25 by shutter 19 pull-up, stay cord 25 is coordinated by the rolling of auxiliary wheel 39 can reduce the wearing and tearing with transverse axis 8, can also increase the arm of force of lifting shutter 19.
The universal wheel 35 of band self-locking is installed bottom front and rear panels.Can conveniently move this electric power electrical control cubicles safety device after universal wheel is set, after moving into place, by the self-locking mechanism carried, universal wheel can be locked, so just serve the effect of location this electric power electrical control cubicles safety device, very convenient.
The sides adjacent of the front side plate of homonymy and rear side plate be installed with to both extrude when axis launches coordinate with both expanded angles are carried out spacing in positive stop strip 36, the sides adjacent of front side plate and header board is installed with and when front axle launches, extrudes cooperation to carry out spacing front limit bar 37 to both expanded angles to both, and the sides adjacent of rear plate and rear side plate is installed with and when rear axle launches, extrudes cooperation to carry out spacing rear positive stop strip 38 to both expanded angles to both.
The effect of front limit bar, middle positive stop strip and rear positive stop strip is set, when front side plate and rear side plate swing around front axle, axis and rear axle, carry out spacing to the pendulum angle of front side plate and rear side plate, during such extended configuration, the position relationship of header board, front side plate, rear side plate and rear plate is exactly relatively-stationary.The benefit of such setting is exactly, after by front and rear panels, front and back are pulled open dorsad, front side plate and rear side plate, front side plate and header board, rear side plate and rear plate automatic moulding, therefore location-plate is directly fastened on the hinge eyes location-plate that can realize suitable for reading to lock the correspondence of hinge eyes, without the need to aiming at and check and correction, operate very simple.
Front side plate is vertical with header board spacing, and front side plate is concordant with rear side plate spacing, and rear side plate is vertical with rear plate spacing.Front side plate is vertical with header board spacing, front side plate is concordant with rear side plate spacing, rear side plate vertical with rear plate spacing after, the hinge eyes of extended configuration will be rectangular tubular in cross section, the quick locking being so not only conducive to location-plate and hinge eyes coordinates, also better appearance in appearance.
Embodiment two
As shown in figure 13, the present embodiment is identical with most of structure of embodiment, difference is that described keeper comprises at least two reference columns 17 being arranged at least two reference columns on the plate top surface of front and being arranged on the plate top surface of back, and described locking member comprises and is distributed on location-plate avris and reference column upper and lower sleeve assembles the location notch 18 closed.Adopt reference column and the locking mechanism of location notch and the locking mechanism of operation principle and employing location hole and alignment pin and operation principle similar, no longer carefully state at this.
No matter adopt which kind of embodiment, in this electric power electrical control cubicles safety device, lockset 14, universal wheel 35 and the self-locking mechanism carried thereof are all conventional products, are conventional structures, belong to known technology, do not repeat them here.
Claims (8)
1. an electric power electrical control cubicles safety device, it is characterized in that: comprise header board (1) and rear plate (2) that correspondence is superimposed together, header board (1) the right and left side is hinged with front side plate (4) respectively by front axle (3), rear plate (2) the right and left side is hinged with rear side plate (6) respectively by rear axle (5), the front side plate (4) of homonymy is hinged by the axis (7) parallel with rear axle (5) with front axle (3) with rear side plate (6), rear plate (2) top is provided with transverse axis (8), transverse axis (8) is hinged with the location-plate (9) swung around transverse axis (8), front side plate (4) and rear side plate (6) top are evenly equipped with keeper (10), location-plate (9) avris is installed with and the friction tight locking member of keeper (10) positioning lock (11), header board (1) is provided with handle (12), rear plate (2) edge is connected with elastic threads (13), elastic threads (13) end is provided with lockset (14), header board (1), rear plate (2), location-plate (9) is made by insulating material.
2. electric power electrical control cubicles safety device as claimed in claim 1, it is characterized in that: described keeper (10) comprises at least two location holes (15) be arranged on front side plate (4) end face and at least two location holes (15) be arranged on rear side plate (6) end face, described locking member (11) comprises the alignment pin (16) being distributed on location-plate (9) avris and coordinating with the upper and lower plug-in mounting of location hole (15).
3. electric power electrical control cubicles safety device as claimed in claim 1, it is characterized in that: described keeper (10) comprises at least two reference columns (17) be arranged on front side plate (4) end face and at least two reference columns (17) be arranged on rear side plate (6) end face, described locking member (11) comprises and is distributed on location-plate (9) avris and reference column (17) upper and lower sleeve assembles the location notch (18) closed.
4. the electric power electrical control cubicles safety device as described in claim as arbitrary in claim 1-3, it is characterized in that: transverse axis (8) is also hinged with the shutter (19) rotated around transverse axis (8), shutter (19) can parallelly with location-plate (9) be superimposed together, and shutter (19) is made up of insulating material.
5. electric power electrical control cubicles safety device as claimed in claim 4, it is characterized in that: header board (1) inside upper part is rotatablely equipped with worm screw (20), worm screw (20) outer end is extended header board (1) and is installed with crank (21), header board (1) inner side is also provided with support (22), support (22) is rotatablely equipped with rotating shaft (23), rotating shaft (23) is installed with the worm gear (24) coordinated with worm screw (20) transmission, rotating shaft (23) is wound with insulation stay cord (25), location-plate (9) is provided with two rollers arranged side by side (26) coordinated of rolling with stay cord (25), stay cord (25) end is fixedly connected with shutter (19) through two rollers (26) gap.
6. electric power electrical control cubicles safety device as claimed in claim 5, is characterized in that: header board (1) and rear plate (2) bottom are provided with the universal wheel (35) of band self-locking.
7. electric power electrical control cubicles safety device as claimed in claim 6, it is characterized in that: the sides adjacent of the front side plate of homonymy (4) and rear side plate (6) be installed with to both extrude when axis (7) launches coordinate with both expanded angles are carried out spacing in positive stop strip (36), the sides adjacent of front side plate (4) and header board (1) is installed with and when front axle (3) launches, extrudes cooperation to carry out spacing front limit bar (37) to both expanded angles to both, the sides adjacent of rear plate (2) and rear side plate (6) is installed with and when rear axle (5) launches, extrudes cooperation to carry out spacing rear positive stop strip (38) to both expanded angles to both.
8. electric power electrical control cubicles safety device as claimed in claim 7, it is characterized in that: front side plate (4) is vertical spacing with header board (1), front side plate (4) is concordant spacing with rear side plate (6), and rear side plate (6) is vertical spacing with rear plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292127.5U CN204651766U (en) | 2015-05-08 | 2015-05-08 | Electric power electrical control cubicles safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292127.5U CN204651766U (en) | 2015-05-08 | 2015-05-08 | Electric power electrical control cubicles safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204651766U true CN204651766U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520292127.5U Expired - Fee Related CN204651766U (en) | 2015-05-08 | 2015-05-08 | Electric power electrical control cubicles safety device |
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| Country | Link |
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| CN (1) | CN204651766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490867A (en) * | 2020-10-21 | 2021-03-12 | 安徽耐得电气设备有限公司 | Self-locking power distribution cabinet |
| CN116544806A (en) * | 2023-04-22 | 2023-08-04 | 湖北楚云机电工程有限公司 | Safe assembled ring main unit and installation method |
-
2015
- 2015-05-08 CN CN201520292127.5U patent/CN204651766U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490867A (en) * | 2020-10-21 | 2021-03-12 | 安徽耐得电气设备有限公司 | Self-locking power distribution cabinet |
| CN112490867B (en) * | 2020-10-21 | 2024-02-09 | 安徽耐得电气设备有限公司 | Self-locking power distribution cabinet |
| CN116544806A (en) * | 2023-04-22 | 2023-08-04 | 湖北楚云机电工程有限公司 | Safe assembled ring main unit and installation method |
| CN116544806B (en) * | 2023-04-22 | 2023-10-24 | 湖北楚云机电工程有限公司 | Safe assembled ring main unit and installation method |
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Granted publication date: 20150916 Termination date: 20180508 |