CN106877183A - A kind of gas-filling cabinet, release unit and its height retaining mechanism - Google Patents
A kind of gas-filling cabinet, release unit and its height retaining mechanism Download PDFInfo
- Publication number
- CN106877183A CN106877183A CN201710250345.6A CN201710250345A CN106877183A CN 106877183 A CN106877183 A CN 106877183A CN 201710250345 A CN201710250345 A CN 201710250345A CN 106877183 A CN106877183 A CN 106877183A
- Authority
- CN
- China
- Prior art keywords
- lever
- release unit
- check lock
- lock lever
- tapered end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/044—Mounting through openings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention has supplied a kind of gas-filling cabinet, release unit and its height retaining mechanism, with complex operation when solving the problems, such as that manually installed fixed structure is fixed to the height and position of release unit in the prior art.Release unit height retaining mechanism includes the mechanism rack for being fixedly linked with the circuit breaker cradle of release unit, the mechanism rack is provided with the lever that can be swung up and down, one end of the lever is provided with check lock lever, the lever be provided with for release unit by it is rear to preceding mobile when with rack on jam plate wedge surface be slidably matched so that the check lock lever swing pushing tow structure, the lower end of check lock lever is provided with the tapered end for crossing the jam plate in the downward swing process of check lock lever, the tapered end has the auxiliary section that can coordinate along short transverse block with the downside of jam plate.
Description
Technical field
The present invention relates to a kind of gas-filling cabinet, release unit and its height retaining mechanism.
Background technology
At present, in power system, because gas-filling cabinet has the advantages that small volume, strong environmental adaptability, reliable and stable,
Gradually by client's extensive use.But for the release unit in gas-filling cabinet, needed manually release unit in assembling
Move into narrow and small gas-filling cabinet casing, because release unit is more heavy, a usual people cannot complete work, when open circuit
, it is necessary to artificial refill front and back position, height and position that the fixed structures such as top nut come to breaker after device device is moved into casing
Limited with right position.Whole assembling process wastes time and energy, and efficiency is extremely low, and easily causes industrial injury.Work as needs
When removing breaker, in addition it is also necessary to first remove fixed structure, then release unit could be carried away casing by least two people partner.Such as
Since this, it will have a strong impact on the mass production of Products, the manufacturing cost of company is aggravated, be unfavorable for improving the city of product
Field competitiveness.
The content of the invention
It is artificial in the prior art to solve it is an object of the invention to provide a kind of release unit height retaining mechanism
The problem of complex operation when fixed structure is fixed to the height and position of release unit is installed；It is a kind of that purpose also resides in offer
Use the release unit and gas-filling cabinet of the height retaining mechanism.
To achieve the above object, the technical scheme of release unit height retaining mechanism of the present invention is：A kind of breaker
Device height retaining mechanism, including for the mechanism rack that the circuit breaker cradle with release unit is fixedly linked, the machine
Structure support is provided with the lever that can be swung up and down, and one end of the lever is provided with check lock lever, and the lever is provided with open circuit
Device device by it is rear to preceding mobile when with rack on jam plate wedge surface be slidably matched so that the check lock lever swing pushing tow structure, lock
The lower end of tight bar is provided with the tapered end for crossing the jam plate in the downward swing process of check lock lever, and the tapered end has can be with lock
The auxiliary section that the downside of plate coordinates along short transverse block.
Height retaining mechanism includes described jam plate, and the jam plate is provided with the large diameter hole and position swung by downwards for tapered end
Diameter holes on front side of large diameter hole, the external diameter of the aperture more than check lock lever of the diameter holes and the external diameter less than tapered end are described small
Footpath hole has for the lower opening edge that block coordinates along the vertical direction of the auxiliary section with tapered end.
Height retaining mechanism includes the lever described in two, and pushing tow structure is one end end corresponding with two levers simultaneously
Connected push rod, the push rod and check lock lever are staggeredly arranged in the longitudinal direction.
The lever is provided with the back-moving spring for driving tapered end backswing to depart from the jam plate.
The technical scheme of release unit of the present invention is：A kind of release unit, including circuit breaker cradle, the breaker
Height retaining mechanism is fixed with support, the height retaining mechanism includes the mechanism rack being fixedly linked with circuit breaker cradle,
The mechanism rack is provided with the lever that can be swung up and down, and one end of the lever is provided with check lock lever, the lever be provided with for
Release unit by it is rear to preceding mobile when with rack on jam plate wedge surface be slidably matched so that the check lock lever swing pushing tow
Structure, the lower end of check lock lever is provided with the tapered end for crossing the jam plate in the downward swing process of check lock lever, the tapered end tool
There is the auxiliary section that can coordinate along short transverse block with the downside of jam plate.
Height retaining mechanism includes described jam plate, and the jam plate is provided with the large diameter hole and position swung by downwards for tapered end
Diameter holes on front side of large diameter hole, the external diameter of the aperture more than check lock lever of the diameter holes and the external diameter less than tapered end are described small
Footpath hole has for the lower opening edge that block coordinates along the vertical direction of the auxiliary section with tapered end.
Height retaining mechanism includes the lever described in two, and pushing tow structure is one end end corresponding with two levers simultaneously
Connected push rod, the push rod and check lock lever are staggeredly arranged in the longitudinal direction.
The technical scheme of gas-filling cabinet of the present invention is：A kind of gas-filling cabinet, including release unit, the release unit include
Circuit breaker cradle, is fixed with height retaining mechanism on the circuit breaker cradle, the height retaining mechanism includes and breaker branch
The mechanism rack that frame is fixedly linked, the mechanism rack is provided with the lever that can be swung up and down, and one end of the lever is provided with lock
Tight bar, the lever be provided with for release unit by it is rear to preceding mobile when and rack on jam plate wedge surface be slidably matched so that
The pushing tow structure that the check lock lever swings, the lower end of check lock lever is provided with for crossing the lock in the downward swing process of check lock lever
The tapered end of plate, the tapered end has the auxiliary section that can coordinate along short transverse block with the downside of jam plate.
Height retaining mechanism includes described jam plate, and the jam plate is provided with the large diameter hole and position swung by downwards for tapered end
Diameter holes on front side of large diameter hole, the external diameter of the aperture more than check lock lever of the diameter holes and the external diameter less than tapered end are described small
Footpath hole has for the lower opening edge that block coordinates along the vertical direction of the auxiliary section with tapered end.
Height retaining mechanism includes the lever described in two, and pushing tow structure is one end end corresponding with two levers simultaneously
Connected push rod, the push rod and check lock lever are staggeredly arranged in the longitudinal direction.
The beneficial effects of the invention are as follows：The release unit height retaining mechanism that the present invention is provided, mechanism rack with it is disconnected
Road device support is fixedly linked and can be moved in gas-filling cabinet by rear to preceding with release unit, in mobile process, pushing tow knot
Structure and jam plate wedge surface the driving check lock lever that is slidably matched are swung, the tapered end of check lock lever lower end is rocked to the downside of jam plate, and tapered end is matched somebody with somebody
Conjunction portion can coordinate with the downside of jam plate along short transverse block, the related release unit of tapered end, check lock lever is fixed on lock
On plate, the automatic locking to release unit short transverse is realized, come with manually installed fixed structure is needed in the prior art
The height of release unit is fixed and is compared, it is simple to operate and reduce hand labor intensity.
Brief description of the drawings
Fig. 1 is the schematic diagram of circuit breaker cradle in gas-filling cabinet embodiment of the present invention；
Fig. 2 is support bracket fastened schematic diagram in gas-filling cabinet embodiment of the present invention；
Fig. 3 is the schematic diagram of right fixed plate in Fig. 2；
Fig. 4 is the schematic diagram of height fixture in gas-filling cabinet embodiment of the present invention；
Fig. 5 is the assembling schematic diagram of lever, check lock lever and tapered end in Fig. 4；
Fig. 6 is the schematic diagram of front and rear locking member in gas-filling cabinet embodiment of the present invention；
Fig. 7 is the assembling schematic diagram of guide rod and block in Fig. 6；
Fig. 8 be in gas-filling cabinet embodiment of the present invention release unit push-in in place when height fixture and front and rear locking member signal
Figure；
Fig. 9 is the side view that release unit does not push when in place in gas-filling cabinet embodiment of the present invention；
Figure 10 be in gas-filling cabinet embodiment of the present invention release unit push-in in place when side view；
Figure 11 be in gas-filling cabinet embodiment of the present invention release unit push-in in place when front view；
Figure 12 be in gas-filling cabinet embodiment of the present invention release unit push-in in place when stereogram.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of gas-filling cabinet of the invention, as shown in Figures 1 to 12, gas-filling cabinet of the invention is filled including breaker
Put, release unit includes circuit breaker cradle 1 and the pole on circuit breaker cradle 1（It is not drawn into figure）, breaker
Support 1 includes for fixing pole fixed plate 11, foreboard 12, the back plate 16 of pole, foreboard 12 and back plate 16 it
Between be fixed with side plate 13, side plate 13 is L-shaped structure, and the He of pulley 15 is equipped with the lower section of side plate 13 and pole fixed plate 11
Clamp 14, its middle pulley 15 is located at the inner side of clamp 14.A push rod perforation is offered in the horizontal sides of side plate 13（In figure not
Draw）Perforated with two check lock levers（It is not drawn into figure）, above three hole arranged for interval along the longitudinal direction, wherein, push rod perforation
Positioned at the outside of check lock lever perforation, i.e. push rod and check lock lever is staggeredly arranged in the longitudinal direction, and two check lock lever perforation are located at together
On the straight line of one fore-and-aft direction.Two support columns 36 are installed with the horizontal sides of side plate 13, two support columns 36 are distinguished
Before and after push rod perforation and check lock lever perforation and left and right directions between.
Release unit also includes height fixture 3, and height fixture 3 includes preceding lever 32 and rear lever 33, preceding lever
32 and rear lever 33 be obliquely installed in left-right direction, both corresponding ends are hinged, while being hinged with push rod 31.Preceding thick stick
Bar 32 and rear lever 33 are articulated with support column 36 by pin 37 and block card 38, in preceding lever 32 and rear lever 33 away from top
The end of bar 31 is installed with preceding check lock lever 34 and rear check lock lever 35, and the lower end of check lock lever is fixed with tapered end 310, outside tapered end 310
Footpath forms step surface more than the external diameter of check lock lever, and in the present embodiment, step surface is inclined plane, is installed in release unit
During position, can just coordinate with the downside block of right guide rail 22.In the present embodiment, tapered end 310, check lock lever and lever integrally set
Put.In other embodiments, removable connected mode can be used, is such as threadedly coupled.Between push rod 31 and support column 36
Check lock lever back-moving spring 39 is provided with, the other end of check lock lever back-moving spring 39 is fixed on side plate 13.When using, push rod 31 to
Upper movement can drive check lock lever to be swung around pin 37, tapered end 310 is rocked to the lower section of right guide rail 22.During installation, by push rod
31 lower end is perforated through push rod, and preceding check lock lever 34 and rear check lock lever 35 are perforated through check lock lever, and push rod perforation can be to push rod
31 are oriented to.
Gas-filling cabinet also includes the fixed support 2 being fixedly installed on Inflatable cabinet body 5, and fixed support 2 includes left rail 21
With right guide rail 22, left rail 21 and right guide rail 22 are L-shaped platy structure, are respectively arranged with the guide rail of L shaped plate shape left solid
Fixed board 23 and right fixed plate 24.Wherein left fixed plate 23 and right fixed plate 24 have outside segmental arc 29 with the end of one end,
There is gap 210 in the top at the end simultaneously.The vertical edge of left fixed plate 23 and left rail 21 constitutes left draw-in groove, right fixed plate
24 and the vertical edge of right guide rail 22 constitute right draw-in groove.Left draw-in groove and right draw-in groove can snap in clamp 14, to circuit breaker cradle 1
The position of left and right directions when being moved on fixed support 2 is limited, and prevents circuit breaker cradle 1 from moving in left-right direction.Arc
Shape section 29 can facilitate circuit breaker cradle to enter between left rail 21 and right guide rail 22, and gap 210 can facilitate clamp 14 along preceding
Rear direction is snapped in draw-in groove.
Arranged for interval has jacking block 25 and block perforation 28 in left-right direction on right guide rail 22, is also opened up on right guide rail 22
There are locking rod aperture 26 and a tapered end hole 27, locking rod aperture 26 and tapered end hole 27 communicate and lock rod aperture 26 before the tapered end hole 27
Side.The external diameter in tapered end hole 27 is more than the external diameter of check lock lever and is less than tapered end more than the external diameter of tapered end 210, the external diameter for locking rod aperture 26
210 external diameter.Jacking block 25 is located at centre position along the longitudinal direction.Tapered end hole 27 can make tapered end 310 be rocked to right guide rail 22
Lower section, block coordinates in the height direction along the step surface that can be formed with check lock lever and tapered end to lock the lower opening of rod aperture 26,
And then release unit is fixed in the position of short transverse, release unit is not produced upward position in use
Move.The upper surface of jacking block 25 be along release unit push direction extend and acclivitous inclined-plane, when using, the inclined-plane with
The lower end wedge surface of push rod is slidably matched, and gradually rises push rod 31.Because jacking block, locking rod aperture and block perforation 28 are along right and left
To arranged for interval, the push-in of release unit is not interfered with when using.
In left rail 21 and one end of the close gas-filling cabinet cabinet door of right guide rail 22（That is rear end）Downside be fixed with locks
Tight part 4, front and rear locking member includes left fixed seat 43 and right fixed seat 44, and fixed seat is U-shaped structure, and fixed seat is arranged on left rail
21 and right guide rail 22 on.Baffle plate 45 is fixed with fixed seat, guide rod 46 is coated with baffle plate 45, fixed seat, guide rod 46
Block 412 is installed, block 412 has along release unit push-in direction on upper end（I.e. by rear to preceding）Extend and be inclined upwardly
Inclined-plane.Fixed seat is stretched out in the lower end of guide rod 46, and the bottom surface of rivet 47, rivet 47 and fixed seat is radially coated with guide rod 46
Between be pressed with guide rod back-moving spring 48.Rivet 47 is located at the lower section of baffle plate 45.Pull bar is connected between left and right self-lock rod
49, pull bar 49 is connected with left and right guide rod by guide rod pin 410 and guide rod block card 411.
When using, during by release unit by outside gas-filling cabinet by rear to preceding push-in, the contact blocks 412 of roller 15 it is oblique
Face, makes guide rod 46 produce downward displacement, is that the push-in of release unit allows open walk.After roller 15 is pushed, block 412 exists
Ejected again in the presence of guide rod back-moving spring 48, after release unit is installed in place, by block 412 and Inflatable cabinet body
Effect limiting circuit breaker device fore-and-aft direction displacement.When needing release unit by being pulled out in gas-filling cabinet, pull bar is pulled
49, move down block 412 for the pull-out of release unit allows open walk.During release, check lock lever back-moving spring 39 drives lock
Tight bar and tapered end backswing are released and the height of release unit are fixed by being shown on the downside of right guide rail.
Fig. 8 is the schematic diagram of height fixture and front and rear locking member when release unit is installed in place, now, tapered end 310
Coordinate with the downside block of right guide rail and the height and position of release unit is fixed, block 412 is ejected, breaker is filled
The front and back position put is fixed, and prevents release unit A-P from deviating from.Fig. 9 does not push showing when in place for release unit
It is intended to, as seen from the figure, rear check lock lever 35 and tapered end 310 are still located on the top of right guide rail.Figure 10 is pushed away for release unit
Enter schematic diagram when in place, now, push rod 31 is located at highest position, and tapered end 310 is located at the lower section of right guide rail and and check lock lever
The lower opening in hole coordinates along block, and block 412 is maintained at the position of upward ejection.
In the present embodiment, side plate 13 and support column 36 together constitute mechanism rack, and in the present embodiment, mechanism rack is integrally
It is arranged on side plate 13, in other embodiments, a connected mechanism rack can be retightened on side plate 13.
In the present embodiment, push rod is pushing tow structure.In the present embodiment, it is by the oblique of push rod and jacking block that wedge surface is slidably matched
What face completed, in other embodiments, inclined-plane can be set in the lower end of push rod and make jacking block be common square structure, also may be used
It is slidably matched with completing wedge surface.
In the present embodiment, right guide rail is jam plate.The step surface of tapered end is auxiliary section.In the present embodiment, rod aperture is locked
As diameter holes, tapered end hole is large diameter hole.In the present embodiment, large diameter hole and diameter holes are opened up on jam plate and is got over for tapered end swing
Cross and coordinate along block with diameter holes hole.In other embodiments, large diameter hole and diameter holes can be cancelled, in Fig. 2 large diameter hole and
The position of the jam plate where diameter holes is opened wide completely, makes the step surface of tapered end directly by under exterior oscillations to the jam plate of jam plate
Side.
In the present embodiment, connecting rod, check lock lever, the quantity of tapered end are two and arranged for interval along the longitudinal direction, in other realities
In applying example, can only retain one of which locking member, during one group of locking member on rear side of reservation, can be by push rod, locking
Bar, tapered end are arranged on same straight line along the longitudinal direction.
In the present embodiment, height retaining mechanism includes jam plate, height fixture 3 and mechanism rack, in other embodiments,
Jam plate can not be included, and used as jam plate using the supporting plate of Inflatable cabinet body itself.
In the present embodiment, release unit includes that pole and height on circuit breaker cradle, circuit breaker cradle are locked
Mechanism.
The release unit of the present invention specific embodiment of height retaining mechanism, release unit height retaining mechanism
Structure is consistent with the structure of above-described embodiment, and its content will not be repeated here.
The specific embodiment of release unit of the present invention, release unit includes pole, circuit breaker cradle and height
Retaining mechanism, its structure is consistent with the structure of above-described embodiment, and its content will not be repeated here.
Claims (10)
1. a kind of release unit height retaining mechanism, it is characterised in that：Including for the breaker branch with release unit
The mechanism rack that frame is fixedly linked, the mechanism rack is provided with the lever that can be swung up and down, and one end of the lever is provided with lock
Tight bar, the lever be provided with for release unit by it is rear to preceding mobile when and rack on jam plate wedge surface be slidably matched so that
The pushing tow structure that the check lock lever swings, the lower end of check lock lever is provided with for crossing the lock in the downward swing process of check lock lever
The tapered end of plate, the tapered end has the auxiliary section that can coordinate along short transverse block with the downside of jam plate.
2. release unit according to claim 1 height retaining mechanism, it is characterised in that：Height retaining mechanism includes
Described jam plate, the jam plate is provided with the large diameter hole and the diameter holes on front side of large diameter hole swung by downwards for tapered end, institute
State the external diameter of the aperture of diameter holes more than check lock lever and the external diameter less than tapered end, the diameter holes have for described in tapered end
The auxiliary section lower opening edge that block coordinates along the vertical direction.
3. release unit according to claim 1 height retaining mechanism, it is characterised in that：Height retaining mechanism includes
Lever described in two, pushing tow structure is the connected push rod in one end end corresponding with two levers simultaneously, the push rod and lock
Tight bar is staggeredly arranged in the longitudinal direction.
4. the height retaining mechanism of the release unit according to claim 1 ~ 3 any one, it is characterised in that：The thick stick
Bar is provided with the back-moving spring for driving tapered end backswing to depart from the jam plate.
5. a kind of release unit, it is characterised in that：Including circuit breaker cradle, height locking is fixed with the circuit breaker cradle
Mechanism, the height retaining mechanism includes the mechanism rack being fixedly linked with circuit breaker cradle, and the mechanism rack is provided with can
The lever for swinging up and down, one end of the lever is provided with check lock lever, the lever be provided with release unit by rear to preceding
It is slidably matched so that the pushing tow structure of check lock lever swing, the lower end of check lock lever is provided with the jam plate wedge surface on rack when mobile
Tapered end for crossing the jam plate in the downward swing process of check lock lever, the tapered end has can be with the downside of jam plate along height
The auxiliary section that degree direction block coordinates.
6. release unit according to claim 5, it is characterised in that：Height retaining mechanism includes described jam plate, institute
State jam plate and be provided with the large diameter hole and the diameter holes on front side of large diameter hole swung by downwards for tapered end, the aperture of the diameter holes
External diameter more than check lock lever and the external diameter less than tapered end, the diameter holes have vertically square for the auxiliary section with tapered end
To the lower opening edge that block coordinates.
7. release unit according to claim 5, it is characterised in that：Height retaining mechanism includes the thick stick described in two
Bar, pushing tow structure is the connected push rod in one end end corresponding with two levers simultaneously, and the push rod and check lock lever are in front and back
It is staggeredly arranged upwards.
8. a kind of gas-filling cabinet, including release unit, it is characterised in that：The release unit includes circuit breaker cradle, described
Height retaining mechanism is fixed with circuit breaker cradle, the height retaining mechanism includes the mechanism being fixedly linked with circuit breaker cradle
Support, the mechanism rack is provided with the lever that can be swung up and down, and one end of the lever is provided with check lock lever, and the lever is provided with
For release unit by it is rear to preceding mobile when with rack on jam plate wedge surface be slidably matched so that the check lock lever swing
Pushing tow structure, the lower end of check lock lever is provided with the tapered end for crossing the jam plate in the downward swing process of check lock lever, the lock
Head has the auxiliary section that can coordinate along short transverse block with the downside of jam plate.
9. gas-filling cabinet according to claim 8, it is characterised in that：Height retaining mechanism includes described jam plate, the lock
Plate is provided with the large diameter hole and the diameter holes on front side of large diameter hole swung by downwards for tapered end, and the aperture of the diameter holes is more than
The external diameter of check lock lever and less than the external diameter of tapered end, the diameter holes have for being kept off along the vertical direction with the auxiliary section of tapered end
The lower opening edge for only coordinating.
10. gas-filling cabinet according to claim 8, it is characterised in that：Height retaining mechanism includes the lever described in two, top
Selection structure is the connected push rod in one end end corresponding with two levers simultaneously, and the push rod and check lock lever are wrong in the longitudinal direction
Open arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250345.6A CN106877183B (en) | 2017-04-17 | 2017-04-17 | A kind of gas-filling cabinet, release unit and its height retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250345.6A CN106877183B (en) | 2017-04-17 | 2017-04-17 | A kind of gas-filling cabinet, release unit and its height retaining mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106877183A true CN106877183A (en) | 2017-06-20 |
| CN106877183B CN106877183B (en) | 2019-03-19 |
Family
ID=59163277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710250345.6A Active CN106877183B (en) | 2017-04-17 | 2017-04-17 | A kind of gas-filling cabinet, release unit and its height retaining mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106877183B (en) |
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| CN110932133A (en) * | 2019-11-04 | 2020-03-27 | 衢州学院 | Auxiliary frame for electric power cabinet installation |
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| CN1555598A (en) * | 2001-10-22 | 2004-12-15 | Mounting structure for an electric switch | |
| US20060049026A1 (en) * | 2004-09-03 | 2006-03-09 | Weister Nathan J | Door interlock assembly and draw-out circuit breaker assembly employing the same |
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| CN110932133B (en) * | 2019-11-04 | 2021-11-16 | 衢州学院 | Auxiliary frame for electric power cabinet installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106877183B (en) | 2019-03-19 |
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