CN107346861B - A kind of low-voltage cabinet of maintenance convenient for safeguarding - Google Patents
A kind of low-voltage cabinet of maintenance convenient for safeguarding Download PDFInfo
- Publication number
- CN107346861B CN107346861B CN201710785661.3A CN201710785661A CN107346861B CN 107346861 B CN107346861 B CN 107346861B CN 201710785661 A CN201710785661 A CN 201710785661A CN 107346861 B CN107346861 B CN 107346861B
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- low
- voltage cabinet
- main body
- cabinet main
- shape
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Classifications
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- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
Abstract
The invention discloses a kind of low-voltage cabinets of maintenance convenient for safeguarding, including fixed device and low-voltage cabinet main body, the low-voltage cabinet subject activity is installed on fixed device, the fixed device includes rectangle installing frame, the quadrangle army of the rectangle installing frame is provided with L shape fixed ear, and the quadrangle of rectangle installing frame same side is fixedly installed L shape sliding rail, L shape sliding rail described in four groups is vertically arranged with rectangle installing frame, and the two sidewalls of L shape sliding rail are provided with the sliding limiting slot through side wall along its length.The invention enables drawable installation metopes, and low-voltage cabinet body interior out is extracted internal component by movable installation board, the space that technical staff carries out repair and maintenance to low-voltage cabinet main body is increased, the limitation of low-voltage cabinet main body two sidewalls is avoided, improves the working efficiency of technical staff's Maintenance and Repair.
Description
Technical field
The present invention relates to low-voltage cabinet technical field more particularly to a kind of low-voltage cabinets of maintenance convenient for safeguarding.
Background technique
Switchgear (switch cabinet) is a kind of electrical equipment, and switchgear outside line is introduced into master switch in cabinet, so
Enter sub-control switch afterwards, each branch is set according to its needs.Such as instrument, automatic control, motor magnetic switch, various A.C. contactors
Deng some also sets hyperbaric chamber and low-pressure chamber switchgear, is equipped with high voltage bus, such as power plant, and some is additionally provided with to protect and mainly set
Standby low-frequency load reduction.The main function of switchgear (switchgear) be generated electricity in electric system, transmitted electricity, distribution and electric energy
During conversion, opened and closed, controlled and protected electrical equipment.Component in switchgear mainly have breaker, disconnecting switch,
The composition such as on-load switch, operating mechanism, mutual inductor and various protective devices.There are many classification method of switchgear, such as by disconnected
Road device mounting means can be divided into withdraw-type switch cabinet and fixed switching cabinet；Or the difference according to cabinet body structure, it can be divided into spacious
Open switch cabinet, metal closed switch cabinet and metal enclosed armoured switch cabinet；High pressure can be divided into again according to voltage class is different
Switchgear, Medium Voltage Switchgear and low-tension switch cabinet etc..It is primarily adapted for use in power plant, substation, petrochemical industry, metallurgical steel rolling, light
The various different occasions such as work weaving, industrial enterprise and residential quarters, skyscraper.
For low-voltage cabinet in production and routine use, either low-voltage cabinet is passed through contracting by producer or user, default
Tight screw is fixedly mounted on metope or on ground, and only there are a fan cabinet doors of front side to be used to open low-voltage cabinet, carries out electric appliance
The installation of element, the wiring of electric wire and the maintenance of internal component and maintenance, since a fan cabinet door, low-voltage cabinet two can only be opened
The side wall of side limits the installation of either electric elements, the wiring of electric wire and the maintenance of internal component and maintenance
System, causes technical staff that cannot put to good use open completely, can only be operated in narrow space, when not only technical staff being operated
Not smoothly, and the efficiency for reducing installation, maintenance and maintenance of high degree, we design a kind of maintenance convenient for safeguarding thus
Low-voltage cabinet, to solve the above problems.
Summary of the invention
The purpose of the present invention is to solve low-voltage cabinet structures in the prior art to fix, and the limitation of two sides side wall causes inside
Narrow space, reduce technical staff carry out Maintenance and Repair efficiency the shortcomings that, and propose a kind of maintenance convenient for safeguarding low pressure
Cabinet.
To achieve the goals above, present invention employs following technical solutions:
A kind of low-voltage cabinet of maintenance convenient for safeguarding, including fixed device and low-voltage cabinet main body, the low-voltage cabinet subject activity
It is installed on fixed device, the fixed device includes rectangle installing frame, and it is solid that the quadrangle army of the rectangle installing frame is provided with L shape
Determine ear, and the quadrangle of rectangle installing frame same side is fixedly installed L shape sliding rail, L shape sliding rail described in four groups with
Rectangle installing frame is vertically arranged, and the two sidewalls of L shape sliding rail are provided with the sliding limit through side wall along its length
Slot；
The low-voltage cabinet main body is rectangular configuration, and quadrangle is provided with L shape sliding shoe in the width direction, and the L shape is sliding
Motion block is provided with spacing column close to one end two sidewalls at the low-voltage cabinet main body back side, and two spacing columns are sliding with L shape respectively
The two sidewalls of motion block are vertically arranged, and the low-voltage cabinet main body is connected by the L shape sliding rail activity of L shape sliding shoe and fixed device
It connects, and spacing column is movably installed in sliding limiting slot, the front of the low-voltage cabinet main body is connected by a hinge and has cabinet door, institute
Stating the adjacent low-voltage cabinet main body wall of cabinet door and being connected by a hinge has side door, and the low-voltage cabinet main body is hollow structure, and inner cavity
Inner wall upper and lower ends far from cabinet door are provided with moving track, and moving track described in two groups is provided with solid close to one end of side door
Determine slot, and two groups of moving track sides close to each other are provided with sliding slot, moving track described in two groups along its length
Between support shaft is connected with by sliding slot, a lateral edge of the support shaft is fixedly installed movable installation board, described
Movable installation board is provided with locking device far from the side both ends of support shaft, and movable installation board close to the side of cabinet door from
It is above lower to be disposed with element mounting bar along its width direction.
Preferably, the locking device includes telescopic chute, and telescopic chute is set to movable installation board far from support shaft one
The both ends of side, telescopic chute amphi position one end of side above and below movable installation board are disposed as being open, be provided in the telescopic chute
Garter spring, and garter spring is fixedly connected with clamping column, and the one end of clamping column far from garter spring far from one end of slot bottom
The outside of telescopic chute is extended to by being open, and is connect with fixed slot, and the movable installation board is located at telescopic chute along longitudinal direction
Adjusting conduit is offered, conduit is adjusted and is connected with telescopic chute, and one end that garter spring is connected with clamping column is provided with tune
Pole, the adjusting rod extend to the outside of telescopic chute by adjusting conduit.
Preferably, the length of L shape sliding rail described in four groups is equal with the width of low-voltage cabinet main body, and L shape sliding rail
One end far from rectangle installing frame passes through shaft and is rotatably connected to gag lever post, and gag lever post carries out the position of low-voltage cabinet main body
It limits and fixed.
Preferably, electric elements fixing threaded hole has been equidistantly positioned on the element mounting bar along its length, and logical
It crosses electric elements fixing threaded hole and is fixedly installed with electric elements, the both ends of the element mounting bar are movably connected in by sliding block
On sliding rail, and two groups of sliding rails are fixedly mounted on movable installation board longitudinally through screw is tightened, the both ends of element mounting bar
Fixed pin is provided on sliding block.
Preferably, the cabinet door and side door are far from being provided with lockset in the middle part of a side of hinge.
Preferably, wiring groove is provided on the movable installation board.
Compared with prior art, the beneficial effects of the present invention are:
1, the side of low-voltage cabinet main body is provided with side door, and movable installation board can extract propulsion out in low-voltage cabinet main body, takes out
When out, the space to the electric elements repair and maintenance installed on movable installation board is increased, is allowed a technician to more just
It is prompt that Maintenance and Repair quickly are carried out to low-voltage cabinet main body, the limitation of low-voltage cabinet body interior small space is avoided, inspection is improved
Repair the efficiency of maintenance；
2, low-voltage cabinet main body is flexibly connected by L shape sliding shoe with the L shape sliding rail of fixed device, and L shape slides rail
Road is provided with gag lever post far from one end of rectangle installing frame, and low-voltage cabinet main body can be detached to the metope of installation by L shape sliding shoe,
Gag lever post can carry out the fixation of position to low-voltage cabinet main body, prevent low-voltage cabinet main body from arbitrarily skidding off L shape sliding rail, extraction and contracting
Into low-voltage cabinet main body, so that position of the low-voltage cabinet main body in repair and maintenance is flexible and changeable, the installation metope limitation where avoiding
The repair and maintenance space of low-voltage cabinet main body, improves convenience when maintenance；
3, support shaft can drive movable installation board to be rotated, and when extracting low-voltage cabinet main body out, can carry out multi-angle
It adjusts, carries out Maintenance and Repair with compounding technique personnel, improve the working efficiency of technical staff.
The invention enables drawable installation metopes, and are extracted internal component in low-voltage cabinet main body out by movable installation board
Portion increases the space that technical staff carries out repair and maintenance to low-voltage cabinet main body, avoids the limitation of low-voltage cabinet main body two sidewalls,
Improve the working efficiency of technical staff's Maintenance and Repair.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the low-voltage cabinet of maintenance convenient for safeguarding proposed by the present invention；
Fig. 2 is a kind of side view of the low-voltage cabinet of maintenance convenient for safeguarding proposed by the present invention；
Fig. 3 is a kind of stereoscopic schematic diagram of the low-voltage cabinet main body of the low-voltage cabinet of maintenance convenient for safeguarding proposed by the present invention；
Fig. 4 is a kind of floor map of the low-voltage cabinet main body of the low-voltage cabinet of maintenance convenient for safeguarding proposed by the present invention；
Fig. 5 is a kind of structural schematic diagram of the fixation device of the low-voltage cabinet of maintenance convenient for safeguarding proposed by the present invention；
Fig. 6 is enlarged drawing at the A in Fig. 4；
Fig. 7 is the connection pass of a kind of locking device of the low-voltage cabinet of maintenance convenient for safeguarding proposed by the present invention and fixed slot
It is schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
Referring to Fig.1-5, a kind of low-voltage cabinet of maintenance convenient for safeguarding, including fixed device and low-voltage cabinet main body 5, low-voltage cabinet master
Body 5 is movably installed on fixed device, and fixed device includes rectangle installing frame 1, and the quadrangle army of rectangle installing frame 1 is provided with L shape
Fixed ear 2, and the quadrangle of 1 same side of rectangle installing frame is fixedly installed L shape sliding rail 3, four groups of L shape sliding rails 3
It is vertically arranged with rectangle installing frame 1, and the two sidewalls of L shape sliding rail 3 are provided with the sliding through side wall along its length
Limiting slot 4；
Low-voltage cabinet main body 5 is rectangular configuration, and quadrangle is provided with L shape sliding shoe 6 in the width direction, and L shape sliding shoe 6 leans on
One end two sidewalls at nearly 5 back side of low-voltage cabinet main body are provided with spacing column 7, and two spacing columns 7 respectively with L shape sliding shoe
6 two sidewalls are vertically arranged, and low-voltage cabinet main body 5 is flexibly connected by L shape sliding shoe 6 with the L shape sliding rail 3 of fixed device,
And spacing column 7 is movably installed in sliding limiting slot 4, the front of low-voltage cabinet main body 5, which is connected by a hinge, cabinet door 8, cabinet door 8
Adjacent 5 side wall of low-voltage cabinet main body is connected by a hinge and has side door 17, and cabinet door 8 and side door 17 are far from equal in the middle part of a side of hinge
It is provided with lockset, low-voltage cabinet main body 5 is hollow structure, and inner cavity is provided with moving rail far from the inner wall upper and lower ends of cabinet door 8
Road 9, two groups of moving tracks 9 are provided with fixed slot 10 close to one end of side door 17, and two groups of moving tracks 9 it is close to each other one
Side is provided with sliding slot along its length, is connected between two groups of moving tracks 9 by sliding slot and supports shaft 11, support
One lateral edge of shaft 11 is fixedly installed movable installation board 12, and wiring groove, movable installation board 12 are provided on movable installation board 12
Side both ends far from support shaft 11 are provided with locking device, and movable installation board 12 close to the side of cabinet door 8 from upper and
It is lower to be disposed with element mounting bar 13 along its width direction.
Low-voltage cabinet main body 5 is flexibly connected by L shape sliding shoe 6 with the L shape sliding rail 3 of fixed device, extraction and retraction
Low-voltage cabinet main body 5, so that position of the low-voltage cabinet main body 5 in repair and maintenance is flexible and changeable, the installation metope limitation where avoiding
The repair and maintenance space of low-voltage cabinet main body 5 improves convenience when maintenance, and the front of low-voltage cabinet main body 5 is provided with cabinet door 8,
Side is provided with side door 17, and normal inspection can carry out maintenance repair by opening cabinet door 8, encounter unconventional problem, need into one
When step maintenance, then side door 17 is opened, movable installation board 12 can extract propulsion out in low-voltage cabinet main body 5, when extraction, increase to work
The space for the electric elements repair and maintenance installed on dynamic mounting plate 12, allows a technician to more fast and convenient to low pressure
Cabinet main body 5 carries out Maintenance and Repair, avoids the limitation of 5 inside small space of low-voltage cabinet main body, improves the efficiency of repair and maintenance.
Embodiment two
Referring to Fig. 6-7, locking device includes telescopic chute, and telescopic chute is set to movable installation board 12 far from support shaft 11
The both ends of side, telescopic chute amphi position are disposed as being open, be provided in telescopic chute in one end of about 12 side of movable installation board
Garter spring 14, and garter spring 14 is fixedly connected with clamping column 15 far from one end of slot bottom, and clamping column 15 is far from clamping bullet
One end of spring 14 extends to the outside of telescopic chute by opening, and connect with fixed slot 10, and movable installation board 12 is located at flexible
Adjusting conduit is offered at slot along longitudinal direction, conduit is adjusted and is connected with telescopic chute, and garter spring 14 is connected with clamping column 15
One end be provided with adjusting rod 16, adjusting rod 16 extends to the outside of telescopic chute by adjusting conduit.
Support shaft 11 can drive movable installation board 12 to be rotated, and when extracting low-voltage cabinet main body 5 out, can carry out multi-angle
Adjusting, with compounding technique personnel carry out Maintenance and Repair, the best angle for being suitble to oneself is searched out convenient for technical staff, is improved
The working efficiency of technical staff, when normal condition does not need to carry out Maintenance and Repair, movable installation board 12 passes through in moving track 9
The inside of low-voltage cabinet main body 5 is slided into, the clamping column 15 in the locking device on movable installation board 12 and the fixation on moving track 9
Slot 10 connects, and the position of movable installation board 12 is fixed, and presses adjusting rod 16, so that clamping column 15 is detached from fixed slot
10, movable installation board 12 can be moved, low-voltage cabinet main body 5 is drawn it out, to obtain bigger operating space.
Embodiment three
Referring to Fig. 2 and 5, the length of four groups of L shape sliding rails 3 is equal with the width of low-voltage cabinet main body 5, and L shape slides rail
The one end of road 3 far from rectangle installing frame 1 passes through shaft and is rotatably connected to gag lever post, and gag lever post is to the position of low-voltage cabinet main body 5
It sets and is limited and fixed.
3 one end far from rectangle installing frame 1 of L shape sliding rail is provided with gag lever post, low-voltage cabinet main body 5 can be passed through L shape
Sliding shoe 6 detaches the metope of installation, and gag lever post and spacing column 7 can carry out the fixation of position to low-voltage cabinet main body 5, so that low pressure
Cabinet main body 5 can only move in the length range of sliding limiting slot 4, prevent low-voltage cabinet main body 5 from arbitrarily skidding off L shape sliding rail 3.
Example IV
Referring to Fig. 4, it is equidistantly positioned electric elements fixing threaded hole along its length on element mounting bar 13, and pass through
Electric elements fixing threaded hole is fixedly installed with electric elements, and the both ends of element mounting bar 13 pass through sliding block and are movably connected in sliding rail
On, and two groups of sliding rails are fixedly mounted on movable installation board 12 longitudinally through screw is tightened, the both ends of element mounting bar 13
Fixed pin is provided on sliding block.
Electric elements are fixedly mounted on movable installation board 12 by electric elements fixing threaded hole, are set on movable installation board 12
Be equipped with wiring groove so that the wiring and installation of electric elements are succinct neat, convenient for technical staff be more clear to low-voltage cabinet master
Body 5 is overhauled, and in disorder wiring interference caused by technical staff is avoided, and improves the efficiency of maintenance, element mounting bar 13
Sliding block can carry out position adjusting on the slide rail, and pass through the fixation that fixed pin carries out position, convenient for according to the big of electric elements
It is small, the distance between reasonable regulating element mounting bar 13, convenient for the installation of the more neat rule of electric elements, raising activity installation
Space utilization rate on plate 12.
The present invention is set the movable installation board 12 that electric elements are installed by increasing side door 17 in low-voltage cabinet main body 5
It is calculated as to extract out, the structure of angle adjustable, and the whole drawable installation metope certain distance of low-voltage cabinet main body 5, increase
Add technical staff making operating space to the progress Maintenance and Repair of low-voltage cabinet main body 5, avoids conventional low cabinet inner space
It is narrow, the shortcomings that limiting, is caused to technical staff, improves the efficiency of 5 Maintenance and Repair of low-voltage cabinet main body, and structure is simple, is manufactured
It is at low cost, it is easy to use, it is suitable for promoting the use of.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of low-voltage cabinet of maintenance convenient for safeguarding, including fixed device and low-voltage cabinet main body (5), the low-voltage cabinet main body (5)
It is movably installed on fixed device, which is characterized in that the fixed device includes rectangle installing frame (1), the rectangle installing frame
(1) quadrangle army is provided with L shape fixed ear (2), and the quadrangle of rectangle installing frame (1) same side is fixedly installed L shape and slides
Dynamic rail road (3), L shape sliding rail (3) described in four groups is vertically arranged with rectangle installing frame (1), and the two of L shape sliding rail (3)
Side wall is provided with the sliding limiting slot (4) through side wall along its length；
The low-voltage cabinet main body (5) is rectangular configuration, and quadrangle is provided with L shape sliding shoe (6), the L shape in the width direction
Sliding shoe (6) is provided with spacing column (7) close to one end two sidewalls at low-voltage cabinet main body (5) back side, and two spacing columns
(7) two sidewalls respectively with L shape sliding shoe (6) are vertically arranged, and the low-voltage cabinet main body (5) is by L shape sliding shoe (6) and fixes
The L shape sliding rail (3) of device is flexibly connected, and spacing column (7) is movably installed in sliding limiting slot (4), the low pressure
The front of cabinet main body (5), which is connected by a hinge, to be had cabinet door (8), and adjacent low-voltage cabinet main body (5) side wall of the cabinet door (8) passes through hinge
Chain link has side door (17), and the low-voltage cabinet main body (5) is hollow structure, and inner wall upper and lower ends of the inner cavity far from cabinet door (8)
It being provided with moving track (9), moving track described in two groups (9) is provided with fixed slot (10) close to the one end of side door (17),
And two groups of moving track (9) sides close to each other are provided with sliding slot along its length, moving track described in two groups (9) it
Between by sliding slot be connected with support shaft (11), it is described support shaft (11) a lateral edge be fixedly installed movable installation board
(12), the movable installation board (12) is provided with locking device, and activity installation far from the side both ends of support shaft (11)
Plate (12) is disposed with element mounting bar (13) along its width direction from top to bottom close to the side of cabinet door (8).
2. a kind of low-voltage cabinet of maintenance convenient for safeguarding according to claim 1, which is characterized in that the locking device includes
Telescopic chute, and telescopic chute is set to the both ends of movable installation board (12) far from support shaft (11) side, telescopic chute amphi position is in work
Dynamic mounting plate (12) one end of side is disposed as being open up and down, is provided in the telescopic chute garter spring (14), and clamping
Spring (14) is fixedly connected with clamping column (15) far from one end of slot bottom, and the one end of clamping column (15) far from garter spring (14)
The outside of telescopic chute is extended to by being open, and is connect with fixed slot (10), and the movable installation board (12) is located at telescopic chute
Place offers adjusting conduit along longitudinal direction, adjusts conduit and is connected with telescopic chute, and garter spring (14) is connected with clamping column (15)
The one end connect is provided with adjusting rod (16), and the adjusting rod (16) extends to the outside of telescopic chute by adjusting conduit.
3. a kind of low-voltage cabinet of maintenance convenient for safeguarding according to claim 1, which is characterized in that the sliding of L shape described in four groups
The length of track (3) is equal with the width of low-voltage cabinet main body (5), and the one of L shape sliding rail (3) separate rectangle installing frame (1)
End is rotatably connected to gag lever post by shaft, and gag lever post is limited and fixed to the position of low-voltage cabinet main body (5).
4. a kind of low-voltage cabinet of maintenance convenient for safeguarding according to claim 1, which is characterized in that the element mounting bar
(13) electric elements fixing threaded hole has been equidistantly positioned on along its length, and has been fixedly mounted by electric elements fixing threaded hole
There are electric elements, the both ends of the element mounting bar (13) are flexibly connected on the slide rail by sliding block, and two groups of sliding rails are along vertical
It is fixedly mounted on movable installation board (12) to by tightening screw, is provided on the sliding block at the both ends of element mounting bar (13)
Fixed pin.
5. a kind of low-voltage cabinet of maintenance convenient for safeguarding according to claim 1, which is characterized in that the cabinet door (8) and side
Door (17) is provided with lockset far from a side middle part of hinge.
6. a kind of low-voltage cabinet of maintenance convenient for safeguarding according to claim 1, which is characterized in that the movable installation board
(12) wiring groove is provided on.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710785661.3A CN107346861B (en) | 2017-09-04 | 2017-09-04 | A kind of low-voltage cabinet of maintenance convenient for safeguarding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710785661.3A CN107346861B (en) | 2017-09-04 | 2017-09-04 | A kind of low-voltage cabinet of maintenance convenient for safeguarding |
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| CN107346861A CN107346861A (en) | 2017-11-14 |
| CN107346861B true CN107346861B (en) | 2019-04-02 |
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| CN201710785661.3A Active CN107346861B (en) | 2017-09-04 | 2017-09-04 | A kind of low-voltage cabinet of maintenance convenient for safeguarding |
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| CN110265889B (en) * | 2019-07-03 | 2022-03-29 | 国网湖北省电力有限公司荆州供电公司 | Portable low-voltage in-place capacitance compensation cabinet for controlling use voltage |
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| CN111262142A (en) * | 2020-04-02 | 2020-06-09 | 益阳玲智工程技术有限公司 | Power distribution cabinet convenient to overhaul |
| CN111555144A (en) * | 2020-06-04 | 2020-08-18 | 安徽同胜电力科技有限公司 | Switch position adjustable and switch board of being convenient for installation maintenance |
| CN112600093A (en) * | 2020-12-30 | 2021-04-02 | 宝亨新电气（集团）有限公司 | Novel switch cabinet convenient to change device |
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| Publication number | Publication date |
|---|---|
| CN107346861A (en) | 2017-11-14 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 315000 218 Chuang Nan Road, Gulin Town, Haishu District, Ningbo, Zhejiang Applicant after: The Zhejiang electric Limited by Share Ltd Address before: 315000 218 Chuang Nan Road, Gulin Town, Yinzhou District, Ningbo, Zhejiang Applicant before: The Zhejiang electric Limited by Share Ltd |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Low voltage cabinet convenient for maintenance Effective date of registration: 20210824 Granted publication date: 20190402 Pledgee: China Construction Bank Co.,Ltd. Ningbo housing and urban construction sub branch Pledgor: ZHEJIANG MAILANG ELECTRIC Corp.,Ltd. Registration number: Y2021330001073 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |